gold/ChangeLog

   1 2013-05-03  Maciej W. Rozycki  <macro@codesourcery.com>
   2
   3         PR ld/15365
   4         * layout.cc (Layout::finalize): Make __ehdr_start STV_HIDDEN.
   5
   6 2013-05-03  Alan Modra  <amodra@gmail.com>
   7
   8         * merge.cc (Output_merge_string::do_add_input_section): Correct
   9         scan for number of strings.  Rename vars to avoid shadowing.
  10         Include missing terminator in input_size_.
  11
  12 2013-05-01  H.J. Lu  <hongjiu.lu@intel.com>
  13
  14         * merge.cc (Output_merge_string<Char_type>::do_add_input_section):
  15         Restore empty string handling.
  16
  17 2013-05-01  Cary Coutant  <ccoutant@google.com>
  18
  19         * stringpool.cc (Stringpool_template::new_key_offset): Fix
  20         uninitialized warning.
  21
  22 2013-04-29  Alexander Ivchenko  <alexander.ivchenko@intel.com>
  23
  24         * output.cc (Output_section::add_merge_input_section): Allow
  25         to merge sections if the alignment is more than character size.
  26         * merge.h (Output_merge_string::Output_merge_string): Remove
  27         assert.
  28         * merge.cc (Output_merge_string<Char_type>::do_add_input_section): Count
  29         only not-null strings. Check the alignment of strings.
  30         * stringpool.h
  31         (Stringpool_template<Stringpool_char>::Stringpool_template): Add
  32         alignment as the argument.
  33         (Stringpool_template<Stringpool_char>::addralign_): New class member.
  34         * stringpool.cc (Stringpool_template<Stringpool_char>::new_key_offset):
  35         Align non-zero length strings according to the addralign_.
  36         (Stringpool_template<Stringpool_char>::set_string_offsets):
  37         Updating offsets according to the given alignment.
  38         * testsuite/Makefile.am (text_section_grouping): Test if string
  39         literals are getting merged.
  40         * testsuite/Makefile.in: Regenerate.
  41         * testsuite/merge_string_literals_1.c: New file.
  42         * testsuite/merge_string_literals_2.c: Ditto.
  43         * testsuite/merge_string_literals.sh: Ditto.
  44
  45 2013-04-26  Ian Lance Taylor  <iant@google.com>
  46
  47         * target-reloc.h (relocate_section): If the reloc offset is out of
  48         range, pass VIEW as NULL to relocate.relocate.
  49         * arm.cc (Target_arm:Relocate::relocate): Check for a NULL view.
  50         * i386.cc (Target_i386::Relocate::relocate): Likewise.
  51         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
  52         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
  53         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
  54         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
  55
  56 2013-04-26  Geoff Pike  <gpike@chromium.org>
  57
  58         * gold.cc (queue_final_tasks): invoke layout->queue_build_id_tasks().
  59         * layout.cc (Hash_task): New class.
  60         (Layout::queue_build_id_tasks): New function.
  61         (Layout::write_build_id): Handle single-thread portion of build ID
  62         computation.  (In some cases, all of it is single-threaded.)  Replace
  63         {sha1,md5}_process_bytes with {sha1,md5}_buffer to get the same
  64         functionality in fewer lines of code.
  65         * layout.h (Layout::queue_build_id_tasks): New function declaration.
  66         * options.h (General_options): make "--build-id" default to tree
  67         rather than sha1.  Add two new options related to --build-id=tree:
  68         --build-id-chunk-size-for-treehash and
  69         --build-id-min-file-size-for-treehash.
  70         * Makefile.am: add testing of --build-id=tree and related new options
  71         (these tests will be invoked by "make check").
  72         * Makefile.in: Regenerate.
  73
  74 2013-04-25  Alan Modra  <amodra@gmail.com>
  75
  76         * configure.tgt: Add powerpcle and powerpc64le.
  77
  78 2013-04-22  Alan Modra  <amodra@gmail.com>
  79
  80         PR gold/15355
  81         * layout.cc (Layout::segment_precedes): Allow more than one
  82         segment with the same type and flags.
  83
  84 2013-04-15  Cary Coutant  <ccoutant@google.com>
  85
  86         * layout.cc (Layout::set_relocatable_section_offsets): Don't
  87         allocate space in file for BSS sections.
  88
  89 2013-04-15  Cary Coutant  <ccoutant@google.com>
  90
  91         * script-sections.cc (Orphan_output_section): Reset address
  92         to zero after each orphaned section for relocatable links.
  93
  94 2013-04-15  Cary Coutant  <ccoutant@google.com>
  95
  96         * symtab.cc (Symbol_table::sized_write_globals): Subtract
  97         section starting address for relocatable link.
  98         * testsuite/Makefile.am (script_test_11): New test.
  99         * testsuite/Makefile.in: Regenerate.
 100         * testsuite/script_test_11.c: New source file.
 101         * testsuite/script_test_11.t: New linker script.
 102
 103 2013-04-13  Alan Modra  <amodra@gmail.com>
 104
 105         * powerpc.cc (Stub_control::can_add_to_stub_group): Don't set
 106         owner when sections are not adjacent and exceed group size.
 107         (Target_powerpc::group_sections): Handle corner case.
 108         (Target_powerpc::Branch_info::make_stub): Handle case where
 109         stub table doesn't exist due to branches in non-exec sections.
 110         (Target_powerpc::Relocate::relocate): Likewise.
 111
 112 2013-04-11  Alan Modra  <amodra@gmail.com>
 113
 114         PR gold/15354
 115         * powerpc.cc (Target_powerpc::make_brlt_section): Name section
 116         .branch_lt to match bfd ld.  Adjust comments throughout file.
 117
 118 2013-04-04  Ian Lance Taylor  <iant@google.com>
 119
 120         GCC PR c++/56840
 121         * object.cc (do_layout_deferred_sections): Handle .eh_frame
 122         sections before checking whether they are included in the link.
 123
 124 2013-03-29  Sriraman Tallam  <tmsriram@google.com>
 125
 126         * archive.cc (Archive::get_elf_object_for_member):  Create the elf
 127         object before calling the plugin claim_file handler.  Pass the elf
 128         object of the archive to the plugin. Delete the elf object if the
 129         plugin claims the file.
 130
 131 2013-03-21  Alan Modra  <amodra@gmail.com>
 132
 133         * layout.cc (Layout::set_segment_offsets): Accept writable .text
 134         segment when omagic.
 135
 136 2013-03-21  Alan Modra  <amodra@gmail.com>
 137
 138         * dwp.cc (Dwp_output_file::add_contribution): Avoid signed/unsigned
 139         comparison warning.
 140         * layout.cc (Layout::create_dynamic_symtab): Avoid "may be used
 141         uninitialized" warning.
 142
 143 2013-03-20  Alan Modra  <amodra@gmail.com>
 144
 145         * symtab.h (Symbol::clear_version): New function.
 146         * symtab.cc (Symbol_table::set_dynsym_indexes): Don't set object
 147         is_needed by weak references.  Clear version for symbols defined
 148         in as-needed objects that are not needed.
 149
 150 2013-03-15  Alan Modra  <amodra@gmail.com>
 151
 152         * powerpc.cc (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Make
 153         static and public.  Add report_err param.  Return false for data refs.
 154         (Target_powerpc::rela_dyn_section): New overloaded function.
 155         (Target_powerpc::plt_, iplt_): Elucidate.
 156         (Output_data_plt_powerpc::entry_count): Handle current_data_size()==0.
 157         (Output_data_plt_powerpc::do_write): Don't write .iplt.
 158         (Output_data_plt_powerpc::plt_entry_count): Don't add .iplt entries.
 159         (Target_powerpc::Scan::local, global): Adjust reloc_needs_plt_for_ifunc
 160         calls.  Put ifunc dynamic relocs in irela_dyn_section.  Only
 161         push_branch and make_plt_entry for ifunc syms when
 162         reloc_needs_plt_for_ifunc.
 163         (Target_powerpc::Relocate::relocate): Don't use plt entry value
 164         for ifunc unless reloc_needs_plt_for_ifunc.
 165
 166 2013-03-15  Alan Modra  <amodra@gmail.com>
 167
 168         * gc.h (gc_process_relocs): Don't look through function descriptors.
 169         * icf.cc (get_section_contents): Do so here instead.
 170
 171 2013-03-13  Alan Modra  <amodra@gmail.com>
 172
 173         * powerpc.cc (is_branch_reloc): Forward declare.
 174         (Target_powerpc::do_can_check_for_function_pointers): New predicate.
 175         (Target_powerpc::Scan::local_reloc_may_be_function_pointer): Return
 176         false for 64-bit, true for 32-bit non-branch relocs.
 177         (Target_powerpc::Scan::global_reloc_may_be_function_pointer): Likewise.
 178         * testsuite/Makefile.am (icf_test): Use linker map file instead of
 179         nm output.
 180         (icf_safe_test): Generate linker map file as well as nm output.
 181         (icf_safe_so_test): Likewise.
 182         * testsuite/Makefile.in: Regenerate.
 183         * testsuite/icf_test.sh: Parse linker map file to determine
 184         section folding.
 185         * testsuite/icf_safe_test.sh: Likewise.  Expect folding for PowerPC.
 186         * testsuite/icf_safe_so_test.sh: Likewise.
 187         (X86_32_or_ARM_specific_safe_fold): Merge into..
 188         (arch_specific_safe_fold): ..this.
 189         (X86_64_specific_safe_fold): Delete unused function.
 190
 191 2013-03-12  Alan Modra  <amodra@gmail.com>
 192
 193         * gc.h (gc_process_relocs): Look through function descriptors
 194         to determine shndx, symvalue and addend used by ICF.  Tidy
 195         variable duplication.
 196
 197 2013-03-11  Alan Modra  <amodra@gmail.com>
 198
 199         * gold.cc (queue_middle_tasks): Move detect_odr_violations..
 200         * layout.cc (Layout_task_runner::run): ..to here.
 201         * symtab.h (struct Symbol_location): Extract from..
 202         (class Symbol_table): ..here.
 203         * symtab.cc (Symbol_table::linenos_from_loc): Invoke function_location.
 204         * target.h (class Target): Add function_location and
 205         do_function_location functions.
 206         (class Sized_target): Add do_function_location.
 207         * object.h (class Sized_relobj_file): Move find_shdr..
 208         (class Object): ..to here.
 209         * object.cc: Likewise.  Update to suit.  Instantiate.
 210         (Sized_relobj_file::find_eh_frame): Update find_shdr call.
 211         * powerpc.cc (class Powerpc_dynobj): New.
 212         (Target_powerpc::do_function_location): New function.
 213         (Powerpc_relobj::do_find_special_sections): Update find_shdr call.
 214         (Powerpc_dynobj::do_read_symbols): New function.
 215         (Target_powerpc::do_make_elf_object): Make a Powerpc_dynobj.
 216
 217 2013-03-08  Ian Lance Taylor  <iant@google.com>
 218
 219         * options.cc (General_options::string_to_object_format): Accept
 220         "default".
 221
 222 2013-03-08  Alan Modra  <amodra@gmail.com>
 223
 224         * ehframe.h (Post_fdes) Make it a vector of Post_fde rather than
 225         pointer to Post_fde.
 226         (struct Post_fde): Move definition to here..
 227         * ehframe.cc (struct Post_fde): ..from here.
 228         (Cie::write): Don't alloc Post_fde.
 229         (Eh_frame::do_sized_write): Update.  Don't free Post_fde.
 230
 231 2013-03-07  Alan Modra  <amodra@gmail.com>
 232
 233         * testsuite/discard_locals_relocatable_test.c: Add a powerpc
 234         relocation referencing .LC0.
 235         * testsuite/discard_locals_test.sh: Remove FIXMEs.
 236
 237 2013-03-07  Alan Modra  <amodra@gmail.com>
 238
 239         * testsuite/ifunc-sel.h (ifunc_sel, ifunc_one): Mark
 240         always_inline.  Add assembly for powerpc to avoid GOT.
 241
 242 2013-03-07  Alan Modra  <amodra@gmail.com>
 243
 244         * testsuite/script_test_10.sh: Don't test .bss section
 245         header number.
 246
 247 2013-03-06  Alan Modra  <amodra@gmail.com>
 248
 249         * powerpc.cc (class Powerpc_relobj): Move some member functions.
 250         (Target_powerpc::symval_for_branch):  Add symtab param.  Update
 251         all callers.  Handle folded sections.
 252         (Target_powerpc::do_gc_add_reference): Don't cast dynamic object
 253         to Powerpc_relobj.
 254         (Global_symbol_visitor_opd::operator()): Likewise.
 255
 256 2013-03-04  Alan Modra  <amodra@gmail.com>
 257
 258         * testsuite/Makefile.am (final_layout_script.lds): Add .sbss.
 259         * testsuite/Makefile.in: Regenerate.
 260
 261 2013-03-01  Cary Coutant  <ccoutant@google.com>
 262
 263         Add dwp support for v2 DWARF package file format.
 264         * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
 265         tu_length parameter.  Adjust all callers.
 266         * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
 267         * dwp.cc: Include dwarf.h.
 268         (Section_bounds): New struct type.
 269         (Unit_set): New struct type.
 270         (Dwo_file::Dwo_file): Initialize new data member.
 271         (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
 272         Combine and rename to...
 273         (Dwo_file::read_unit_index): ...this.
 274         (Dwo_file::sized_read_compunit_index)
 275         (Dwo_file::sized_read_typeunit_index): Combine and rename to...
 276         (Dwo_file::sized_read_unit_index): ...this.
 277         (Dwo_file::copy_section): Remove section_name, is_str_offsets
 278         parameters; add section_id parameter.
 279         (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
 280         (Dwo_file::add_unit_set): ...this.
 281         (Dwo_file::shndx_map_): Remove.
 282         (Dwo_file::sect_offsets_): New data member.
 283         (Dwp_output_file::Dwp_output_file): Initialize new data members.
 284         (Dwp_output_file::add_section): Rename to...
 285         (Dwp_output_file::add_contribution): ...this.
 286         (Dwp_output_file::add_cu_set): Combine parameters into a struct.
 287         (Dwp_output_file::add_tu_set): Likewise.
 288         (Dwp_output_file::Contribution): New type.
 289         (Dwp_output_file::Section::contributions): New data member.
 290         (Dwp_output_file::Cu_or_tu_set): Remove.
 291         (Dwp_output_file::Section::Section): New ctor.
 292         (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
 293         (Dwp_output_file::Dwp_index::Section_table): New type.
 294         (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
 295         (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
 296         parameter.
 297         (Dwp_output_file::Dwp_index::shndx_pool): Remove.
 298         (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
 299         (Dwp_output_file::Dwp_index::section_table): New member function.
 300         (Dwp_output_file::Dwp_index::section_table_end): New member function.
 301         (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
 302         (Dwp_output_file::Dwp_index::section_table_rows): New member function.
 303         (Dwp_output_file::Dwp_index::section_table_cols): New member function.
 304         (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
 305         (Dwp_output_file::Dwp_index::section_table_): New data member.
 306         (Dwp_output_file::Dwp_index::section_mask_): New data member.
 307         (Dwp_output_file::add_output_section): New member function.
 308         (Dwp_output_file::write_new_section): New member function.
 309         (Dwp_output_file::write_contributions): New member function.
 310         (Dwp_output_file::section_id_map_): New data member.
 311         (class Dwo_id_info_reader): Remove.
 312         (class Unit_reader): New class.
 313         (get_dwarf_section_name): New function.
 314         (Dwo_file::read_executable): Adjust initializations of class data.
 315         (Dwo_file::read): Add support for v2 package file format.
 316         (Dwo_file::read_unit_index): Likewise.
 317         (Dwo_file::sized_read_unit_index): Likewise.
 318         (Dwo_file::copy_section): Likewise.
 319         (Dwo_file::add_unit_set): Likewise.
 320         (Dwp_output_file::add_output_section): Likewise.
 321         (Dwp_output_file::add_contribution): Likewise.
 322         (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
 323         for empty slot.
 324         (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
 325         file format.
 326         (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
 327         slot.
 328         (Dwp_output_file::initialize): Remove unused function.
 329         (Dwp_output_file::finalize): Add support for v2 package file format.
 330         (Dwp_output_file::write_index): Likewise.
 331         * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
 332         function prototype.
 333
 334 2013-03-01  Cary Coutant  <ccoutant@google.com>
 335
 336         * dwarf_reader.cc (Dwarf_info_reader::check_buffer): Move
 337         function into class definition in header file.
 338         (Dwarf_info_reader::warn_corrupt_debug_section): New function.
 339         * dwarf_reader.h (Dwarf_info_reader::warn_corrupt_debug_section):
 340         New function.
 341         (Dwarf_info_reader::check_buffer): Move here from .cc file.
 342
 343 2013-02-28  Alan Modra  <amodra@gmail.com>
 344
 345         * target.h (Target::plt_fde_location, do_plt_fde_location): Declare.
 346         * target.cc (Target::do_plt_fde_location): New function.
 347         * ehframe.h (class FDE): Add post_map field to u_.from_linker,
 348         accessor function, and constructor param.
 349         (struct Post_fde, Post_fdes): Declare.
 350         (Cie::write): Add post_fdes param.
 351         * ehframe.cc (Fde::write): Use plt_fde_location.
 352         (struct Post_fde): Define.
 353         (Cie::write): Stash FDEs added post merge mapping.
 354         (Eh_frame::add_ehframe_for_plt): Assert no new CIEs after mapping.
 355         Adjust Fde constructor call.  Bump final_data_size_ for post map FDEs.
 356         (Eh_frame::do_sized_write): Arrange to write post map FDES after
 357         other FDEs.
 358         * powerpc.cc (Target_powerpc::do_plt_fde_location): New function.
 359         (Target_powerpc::has_glink): New function.
 360         (Target_powerpc::do_relax): Add eh_frame info for stubs.
 361         (struct Eh_cie, eh_frame_cie, glink_eh_frame_fde_64,
 362         glink_eh_frame_fde_32, default_fde): New data.
 363         (Stub_table::eh_frame_added_): New var.
 364         (Stub_table::find_long_branch_entry, stub_address, stub_offset):
 365         Make const.
 366         (Stub_table::add_eh_frame): New function.
 367         (Output_data_glink::add_eh_frame): New function.
 368         (Target_powerpc::make_glink_section): Call add_eh_frame.
 369
 370 2013-02-15  Ian Lance Taylor  <iant@google.com>
 371
 372         * options.h (DEFINE_uint64_alias): Define.
 373         (class General_options): Add -Ttext-segment as an alias for
 374         -Ttext.
 375
 376 2013-02-15  Alan Modra  <amodra@gmail.com>
 377
 378         * powerpc.cc (Stub_table::plt_off): New function, extracted from..
 379         (Stub_table::do_write): ..here, two places.
 380         (Stub_table::plt_call_size): Use it here too.
 381
 382 2013-02-11  Ian Lance Taylor  <iant@google.com>
 383
 384         * descriptors.cc (Descriptors::close_all): New function.
 385         * descriptors.h (class Descriptors): Declare close_all.
 386         (close_all_descriptors): New inline function.
 387         * plugin.cc: Include "descriptors.h".
 388         (Plugin_manager::cleanup): Call close_all_descriptors.
 389
 390 2013-02-06  Alan Modra  <amodra@gmail.com>
 391
 392         * README: Update coding style link.
 393
 394 2013-01-28  Cary Coutant  <ccoutant@google.com>
 395
 396         * dwp.cc (File_list): New typedef.
 397         (Dwo_name_info_reader): New class.
 398         (Dwo_id_info_reader::Dwo_id_info_reader): Remove unused parameters.
 399         (Dwo_id_info_reader::visit_top_die): Remove unused member function.
 400         (Dwo_file::~Dwo_file): Delete input_file_ after obj_.
 401         (Dwo_file::read_executable): New function.
 402         (Dwo_file::read): Move common setup code to ...
 403         (Dwo_file::make_object): ... here.
 404         (dwp_options): Add --exec/-e.
 405         (usage): Likewise.
 406         (main): Likewise.
 407
 408 2013-01-24  Sriraman Tallam  <tmsriram@google.com>
 409
 410         * layout.cc (Layout::layout): Check for option text_reorder.
 411         (Layout::make_output_section): Ditto.
 412         * options.h (text_reorder): New option.
 413         * output.cc (Input_section_sort_compare): Remove special ordering
 414         of section names.
 415         (Output_section::
 416          Input_section_sort_section_name_special_ordering_compare::
 417          operator()): New function.
 418         (Output_section::sort_attached_input_sections): Use new sort function
 419         for .text.
 420         * output.h (Input_section_sort_section_name_special_ordering_compare):
 421         New struct.
 422         * testsuite/Makefile.am (text_section_grouping): Test option
 423         --no-text-reorder
 424         * testsuite/Makefile.in: Regenerate.
 425         * testsuite/text_section_grouping.sh: Check order of functions without
 426         default text reordering.
 427
 428 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
 429
 430         * options.h (General_options): Change default to true for new_dtags.
 431
 432 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
 433
 434         * layout.cc (Layout::finish_dynamic_section): Only add DT_RPATH
 435         when enable_new_dtags is false.  Only add DT_RUNPATH when
 436         enable_new_dtags is true.
 437
 438 2013-01-17  Serge Pavlov  <serge.v.pavlov@gmail.com>
 439
 440         * powerpc.cc (Stub_table::find_plt_call_entry): Make types
 441         used in declaration and definition consistent.
 442         (Target_powerpc::symval_for_branch): Ditto.
 443
 444 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
 445
 446         * testsuite/plugin_final_layout.cc: Fix comment.
 447
 448 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
 449
 450         * layout.cc (Layout::layout): Do not do default sorting for
 451         text sections when section ordering is specified.
 452         (make_output_section): Ditto.
 453         * testsuite/plugin_final_layout.cc: Name the function sections
 454         to catch reordering issues.
 455
 456 2013-01-15  Alan Modra  <amodra@gmail.com>
 457
 458         * powerpc.cc (Target_powerpc::do_relax): Default shared libs to
 459         plt-thread-safe.
 460
 461 2013-01-15  Alan Modra  <amodra@gmail.com>
 462
 463         * testsuite/Makefile.am (final_layout_script.lds): Handle .got section.
 464         * testsuite/Makefile.in: Regenerate.
 465
 466 2013-01-14  Alan Modra  <amodra@gmail.com>
 467
 468         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add various output files.
 469         * testsuite/Makefile.in: Regenerate.
 470
 471 2013-01-11  Pavel Chupin  <pavel.v.chupin@intel.com>
 472
 473         PR bfd/14430
 474         Fix mingw gold build with plugins enabled
 475         * Makefile.am: Replace -ldl with @DLOPEN_LIBS@.
 476         * configure.ac: Export DLOPEN_LIBS and add headers check.
 477         * plugin.cc: Handle non-dlfcn case.
 478         * Makefile.in: Regenerate.
 479         * config.in: Regenerate.
 480         * configure: Regenerate.
 481         * testsuite/Makefile.in: Regenerate.
 482
 483 2013-01-09  Sriraman Tallam  <tmsriram@google.com>
 484
 485         * output.h (sort_attached_input_sections): Change to be public.
 486         * script-sections.cc
 487         (Output_section_definition::set_section_addresses): Sort
 488         attached input sections according to section order before linker
 489         script assigns section addresses.
 490         (Orphan_output_section::set_section_addresses): Sort
 491         attached input sections according to section order before linker
 492         script assigns section addresses.
 493         * Makefile.am (final_layout.sh): Use a simple linker script to
 494         check if section ordering still works.
 495         * Makefile.in: Regenerate.
 496
 497 2013-01-09  Ben Cheng  <bccheng@google.com>
 498
 499         * arm.cc (Target_arm::attributes_accept_div): New function.
 500         (Target_arm::attributes_forbid_div): New function.
 501         (Target_arm::merge_object_attributes): Merge the Tag_DIV_use
 502         attribute using the same new functions as what bfd/elf32_arm.c
 503         does.
 504
 505 2013-01-07  Cary Coutant  <ccoutant@google.com>
 506
 507         PR gold/14993
 508         * output.cc (Output_section::add_input_section): For incremental
 509         updates, don't track input sections that are allocated from patch
 510         space.
 511
 512 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
 513             Ian Lance Taylor  <iant@google.com>
 514
 515         PR gold/14897
 516         * configure.ac (--enable-ld): Removed.
 517         (install_as_default): Set to yes only for --enable-gold=default
 518         or --disable-ld.
 519         * configure: Regenerated.
 520
 521 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
 522
 523         * options.h (General_options): Add -fuse-ld= for GCC linker
 524         option compatibility.
 525
 526 2013-01-04  Cary Coutant  <ccoutant@google.com>
 527
 528         * configure.ac: Fix typo restoring CXXFLAGS.
 529         * configure: Regenerate.
 530
 531 2013-01-04  Cary Coutant  <ccoutant@google.com>
 532
 533         * testsuite/Makefile.am (CXXLINK_S): New macro.
 534         (debug_msg_so.err, debug_msg_ndebug.err): Use CXXLINK_S.
 535         * testsuite/Makefile.in: Regenerate.
 536
 537 2013-01-02  H.J. Lu  <hongjiu.lu@intel.com>
 538
 539         * version.cc (print_version): Update copyright year to 2013.
 540
 541 2012-12-20  Ian Lance Taylor  <iant@google.com>
 542
 543         * layout.cc (Layout::special_ordering_of_input_section): New
 544         function.
 545         (Layout::layout): If input section requires special ordering, must
 546         sort input sections.
 547         (Layout::make_output_section): May sort .text input sections.
 548         (Layout::is_section_name_prefix_grouped): Remove.
 549         * layout.h (class Layout): Declare
 550         special_ordering_of_input_section.  Don't declare
 551         is_section_name_prefix_grouped.
 552         * output.cc (Output_section::add_input_section): Revert last
 553         change.
 554         (Output_section::Input_section_sort::match_file_name): Don't crash
 555         if called on output section data.
 556         (Output_section::Input_section_sort_compare): Sort based on
 557         special ordering.
 558         (Output_section::Input_section_sort_section_order_index_compare):
 559         Revert last patch.
 560         (Output_section::sort_attached_input_sections): Likewise.
 561
 562 2012-12-18  Sriraman Tallam  <tmsriram@google.com>
 563
 564         * layout.cc (Layout::is_section_name_prefix_grouped): New function.
 565         * layout.h (Layout::is_section_name_prefix_grouped): New function.
 566         * output.cc (Output_section::add_input_section): Check if section
 567         name contains special prefix.  Keep input sections to sort such
 568         sections.
 569         (Output_section::Input_section_sort_section_order_index_compare
 570          ::operator()): Group sections according to prefixes.
 571         (Output_section::sort_attached_input_sections): Add condition to
 572         Input_section_entry constructor call.
 573         * testsuite/Makefile.am (text_section_grouping): New test.
 574         * testsuite/Makefile.in: Regenerate.
 575         * testsuite/text_section_grouping.cc: New file.
 576         * testsuite/text_section_grouping.sh: New file.
 577
 578 2012-12-17  Nick Clifton  <nickc@redhat.com>
 579
 580         * Makefile.am: Add copyright notice.
 581         * NEWS: Likewise.
 582         * README: Likewise.
 583         * configure.ac: Likewise.
 584         * ftruncate.c: Likewise.
 585         * Makefile.in: Regenerate.
 586
 587 2012-12-14  Cary Coutant  <ccoutant@google.com>
 588
 589         * testsuite/Makefile.am (exception_separate_shared_12_test): Add
 590         --no-as-needed flag.
 591         (exception_separate_shared_12_test): Likewise.
 592         (incremental_copy_test): Likewise.
 593         * testsuite/Makefile.in: Regenerate.
 594
 595 2012-12-14  Cary Coutant  <ccoutant@google.com>
 596
 597         * dwp.cc (Dwp_output_file::add_cu_set): Check for duplicate CUs.
 598         (Dwp_output_file::Dwp_index::enter_set): Add assert.
 599
 600 2012-12-12  Alan Modra  <amodra@gmail.com>
 601
 602         * powerpc.cc (class Track_tls): New.
 603         (class Relocate, class Scan): Inherit Track_tls.
 604         (Target_powerpc::Scan::local, global): Track tls optimization
 605         and avoid creating plt entry for __tls_get_addr if all uses
 606         are optimized away.
 607         (Target_powerpc::Relocate::relocate): Update to use Track_tls.
 608
 609 2012-12-12  Alan Modra  <amodra@gmail.com>
 610
 611         * options.h (General_options): Add --toc-sort/--no-toc-sort.
 612         Replace no_toc_optimize with toc_optimize.
 613         * output.h (Output_section::input_sections): Provide non-const variant.
 614         * powerpc.cc (Powerpc_relobj::has_small_toc_reloc_,
 615         set_has_small_toc_reloc, has_small_toc_reloc): New variable and
 616         accessors.
 617         (Target_powerpc::Scan::local, global): Call set_has_small_toc_reloc.
 618         (class Sort_toc_sections): New.
 619         (Target_powerpc::do_finalize_sections): Sort toc sections.
 620         (Target_powerpc::Relocate::relocate): Update toc_optimize test.
 621
 622 2012-12-10  Roland McGrath  <mcgrathr@google.com>
 623
 624         * testsuite/binary_unittest.cc (read_all): New function.
 625         (Sized_binary_test): Use it instead of ::read.
 626         * fileread.cc (do_read): Don't assume pread always reads the whole
 627         amount in a single call.
 628
 629 2012-12-10  Alan Modra  <amodra@gmail.com>
 630
 631         * powerpc.cc (Target_selector_powerpc::Target_selector_powerpc):
 632         Set EM_PPC64 or EM_PPC here.
 633         (Target_selector_powerpc::do_recognize): Delete.
 634
 635 2012-12-10  Alan Modra  <amodra@gmail.com>
 636
 637         * powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ and
 638         stub_table_.
 639         (Target_powerpc::Branch_info::make_stub): Don't omit addend.
 640
 641 2012-12-07  Roland McGrath  <mcgrathr@google.com>
 642
 643         * testsuite/binary_unittest.cc (Sized_binary_test):
 644         Use open_descriptor rather than ::open.
 645
 646 2012-12-07  Alan Modra  <amodra@gmail.com>
 647
 648         * powerpc.cc (Stub_table::do_write): Delete redundant Address
 649         typedef and invalid_address constant.
 650         (Output_data_glink, Stub_table, Target_powerpc): Explicitly
 651         instantiate constants.
 652
 653 2012-12-06  Roland McGrath  <mcgrathr@google.com>
 654
 655         * configure.ac (HAVE_ZLIB): Use AM_ZLIB instead of AC_SEARCH_LIBS.
 656         Use $ac_cv_header_zlib_h = yes as the condition in AM_CONDITIONAL.
 657         * aclocal.m4: Regenerate.
 658         * configure: Regenerate.
 659         * Makefile.in: Regenerate.
 660         * testsuite/Makefile.in: Regenerate.
 661
 662 2012-12-07  Alan Modra  <amodra@gmail.com>
 663
 664         * options.h (General_options): Add no_toc_optimize.
 665         * powerpc.cc (ok_lo_toc_insn): New function.
 666         (Target_powerpc::Relocate::relocate): Optimize toc access sequences.
 667
 668 2012-12-06  Alan Modra  <amodra@gmail.com>
 669
 670         * options.h (General_options): Add plt_align, plt_static_chain,
 671         plt_thread_safe.  Update stub_group_size help text.
 672         * powerpc.cc (Target_powerpc::plt_thread_safe): New access function
 673         for new plt_thread_safe_ var.
 674         (use_plt_offset): Correct comments.
 675         (Target_powerpc::do_relax): Look for thread creation symbols to
 676         determine default plt_thread_safe value.  Clear plt call stubs
 677         as well as branch stubs each iteration.
 678         (add_2_2_11, add_12_12_11, bnectr_p4, cmpldi_2_0, xor_11_11_11): New
 679         insn constants.
 680         (l, hi, ha, write_insn): Move earlier.
 681         (Stub_table): Delete prev_size, add last_plt_size and last_branch_size.
 682         (Stub_table::clear_stubs): Rename from clear_long_branch_stubs, clear
 683         plt stubs too.
 684         (Stub_table::update_size): Adjust.
 685         (Stub_table::prev_size, set_prev_size): Delete.
 686         (Stub_table::stub_align): Let --plt-align affect result.
 687         (Stub_table::plt_call_size): Calculate sizes for various stubs.
 688         (Stub_table::branch_stub_size): Use last_plt_size in address calc.
 689         (Stub_table::add_plt_call_stub): Pass iterator to plt_call_size.
 690         (Stub_table::do_write): Support more stub variants.
 691
 692 2012-12-04  Alan Modra  <amodra@gmail.com>
 693
 694         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.
 695         (Target_powerpc::do_define_standard_symbols): New function.
 696
 697 2012-12-03  Alan Modra  <amodra@gmail.com>
 698
 699         * output.h: Formatting, whitespace.
 700
 701 2012-12-03  Alan Modra  <amodra@gmail.com>
 702
 703         * layout.h (Layout::get_executable_sections): Declare.
 704         * layout.cc (Layout::get_executable_sections): New function.
 705         * arm.cc (Target_arm::group_sections): Use it.
 706         (Arm_output_section::group_sections): Delete now redundant test.
 707         * output.cc (Output_reloc::Output_reloc): Add is_relative.
 708         param to handle relative relocs.
 709         * output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise.
 710         (Output_data_reloc::add_absolute): Adjust.
 711         (Output_data_reloc::add_relative): New function.
 712         (Output_data::reset_data_size): New function.
 713         (Output_relaxed_input_section::set_relobj, set_shndx): New functions.
 714         (Output_section::set_addralign): New function.
 715         (Output_section::checkpoint_set_addralign): New function.
 716         (Output_section::clear_section_offsets_need_adjustment): New function.
 717         (Output_section::input_sections): Make public.
 718         * powerpc.cc (class Output_data_brlt_powerpc): New.
 719         (class Stub_table, class Stub_control): New.
 720         (Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch,
 721         stub_table_, set_stub_table, stub_table): New vectors and accessor
 722         functions.
 723         (Target_powerpc::do_may_relax, do_relax, push_branch,
 724         new_stub_table, stub_tables, brlt_section, group_sections,
 725         add_branch_lookup_table, find_branch_lookup_table,
 726         write_branch_lookup_table, make_brlt_section): New functions.
 727         (Target_powerpc::struct Sort_sections, class Branch_info): New.
 728         (Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_,
 729         branch_info_): New vars.
 730         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't
 731         make call stubs here.
 732         (Output_data_glink): Remove all call stub handling from this class.
 733         (Target_powerpc::Scan::local, global): Save interesting branch
 734         relocs and relocs for ifunc.  Adjust calls to plt entry functions.
 735         (Target_powerpc::do_finalize_sections): Only make reg save/restore
 736         functions on final link.
 737         (Target_powerpc::Relocate::relocate): Adjust lookup of call stubs.
 738         Handle long branch destinations too.
 739         (Target_powerpc::do_dynsym_value, do_plt_address_for_global,
 740         do_plt_address_for_local): Adjust lookup of plt call stubs.
 741
 742 2012-11-30  Alan Modra  <amodra@gmail.com>
 743
 744         * powerpc.c (Target_powerpc::Scan::global): Don't emit relative
 745         relocs against protected symbols when building 32-bit shared libs.
 746
 747 2012-11-30  Alan Modra  <amodra@gmail.com>
 748
 749         * powerpc.cc (Target_powerpc::make_plt_section): Add symtab
 750         param.  Call got_section() to make .got.  Update all callers
 751         and their callers and so on.
 752
 753 2012-11-30  Alan Modra  <amodra@gmail.com>
 754
 755         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
 756         _GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
 757         (Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
 758         value if it already exists.
 759
 760 2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
 761
 762         PR gold/14858
 763         * x86_64.cc (Relocate::tls_ld_to_le): Support x32.
 764
 765 2012-11-14  Roland McGrath  <mcgrathr@google.com>
 766
 767         * arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
 768         than bfc instruction for data sandboxing.
 769
 770 2012-11-08  Alan Modra  <amodra@gmail.com>
 771
 772         * po/POTFILES.in: Regenerate.
 773
 774 2012-11-05  Alan Modra  <amodra@gmail.com>
 775
 776         * configure.ac: Apply 2012-09-10 change to config.in here.
 777         * configure: Regenerate.
 778
 779 2012-11-05  Alan Modra  <amodra@gmail.com>
 780
 781         * powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
 782         (struct Opd_ent): Use "Address" rather than "Offset".
 783         (Output_data_got_powerpc::got_base_offset): Return Valtype.
 784         (Target_powerpc::got_section): Make public.
 785         (Target_powerpc::scan_relocs): Move code setting symbols..
 786         (Powerpc_relobj::do_scan_relocs): ..to here, new function.
 787         Create _SDA_BASE_ only when referenced.
 788
 789 2012-11-02  Roland McGrath  <mcgrathr@google.com>
 790
 791         * i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
 792         from last change.
 793
 794 2012-11-01  Roland McGrath  <mcgrathr@google.com>
 795
 796         * target.h (Sized_target::relocate_relocs): Use Elf_Off
 797         for offset_in_output_section parameter.
 798         (Sized_target::relocate_special_relocatable): Likewise.
 799         * arm.cc (Target_arm::relocate_relocs): Likewise.
 800         (Target_arm::relocate_special_relocatable): Likewise.
 801         * i386.cc (Target_i386::relocate_relocs): Likewise.
 802         * powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
 803         * sparc.cc (Target_sparc::relocate_relocs): Likewise.
 804         * target-reloc.h (relocate_relocs): Likewise.
 805         * testsuite/testfile.cc (Target_test): Likewise.
 806         * tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
 807         * x86_64.cc (Target_x86_64::relocate_relocs): Likewise.
 808
 809         * system.h: Move inclusion of <clocale> to after <libintl.h> in
 810         [ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.
 811
 812         * descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
 813         parameter, which is unused in the [!F_SETFD] case.
 814
 815         * dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
 816         SYMNDX to off_t before comparing it to this->data_size().
 817         * output.cc (Output_symtab_xindex::endian_do_write): Likewise.
 818         * incremental.cc (Output_section_incremental_inputs::do_write):
 819         Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
 820
 821         * nacl.cc: Include "libiberty.h" for vasprintf declaration.
 822
 823 2012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>
 824
 825         * gold.cc (Target_arm::do_adjust_elf_header): Add the
 826         hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
 827         in EABI_VER5.
 828
 829 2012-10-29  Cary Coutant  <ccoutant@google.com>
 830
 831         * dwp.cc (usage): Add file and exit status parameters;
 832         add --help and --version options.
 833         (print_version): New function.
 834         (main): Add --help and --version options.
 835
 836 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 837
 838         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add
 839         final_layout_sequence.txt.
 840         * testsuite/Makefile.in: Regenerated.
 841
 842 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 843
 844         * testsuite/Makefile.am (COMPILE1): New variable. Renamed from
 845         COMPILE generated by automake.
 846         (LINK1): Likewise.
 847         (CXXCOMPILE1): Likewise.
 848         (CXXLINK1): Likewise.
 849         (COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
 850         (LINK): Likewise.
 851         (CXXCOMPILE): Likewise.
 852         (CXXLINK): Likewise.
 853         * testsuite/Makefile.in: Regenerated.
 854
 855 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 856
 857         * dwp.cc (Dwo_file::record_target_info): Issue a fatal error
 858         on bad fwrite return.
 859
 860 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 861
 862         * dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
 863         on val.
 864
 865 2012-10-23  Cary Coutant  <ccoutant@google.com>
 866
 867         * testsuite/Makefile.am (TEST_OBJCOPY): New macro.
 868         * testsuite/Makefile.in: Regenerate.
 869         * testsuite/dwp_test.h: New source file.
 870         * testsuite/dwp_test_1.cc: New source file.
 871         * testsuite/dwp_test_1.s: New source file.
 872         * testsuite/dwp_test_1.sh: New source file.
 873         * testsuite/dwp_test_1b.cc: New source file.
 874         * testsuite/dwp_test_1b.s: New source file.
 875         * testsuite/dwp_test_2.cc: New source file.
 876         * testsuite/dwp_test_2.s: New source file.
 877         * testsuite/dwp_test_2.sh: New source file.
 878         * testsuite/dwp_test_main.cc: New source file.
 879         * testsuite/dwp_test_main.s: New source file.
 880
 881 2012-10-23  Cary Coutant  <ccoutant@google.com>
 882
 883         * dwp.h: New header file.
 884         * dwp.cc: New source file.
 885         * gold.h: Move shared declarations to system.h.
 886         * system.h: New header file.
 887         * Makefile.am: Add dwp.
 888         * Makefile.in: Regenerate.
 889
 890 2012-10-23  Cary Coutant  <ccoutant@google.com>
 891
 892         * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
 893         Dwarf_info_reader::read_from_pointer.
 894         (Dwarf_pubnames_table::read_header): Likewise.
 895         (Dwarf_pubnames_table::next_name): Likewise.
 896         (Dwarf_die::read_attributes): Likewise.
 897         (Dwarf_die::skip_attributes): Likewise.
 898         (Dwarf_info_reader::read_from_pointer): New function template.
 899         * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
 900         (Dwarf_pubnames_table): Likewise.
 901         (Dwarf_info_reader::read_from_pointer): New function template.
 902         * gdb-index.cc (Gdb_index_info_reader): Adjust call to
 903         Dwarf_pubnames_table ctor.
 904
 905 2012-10-23  Cary Coutant  <ccoutant@google.com>
 906
 907         * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
 908         abbrev_shndx.
 909         * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
 910         abbrev_shndx_.
 911         (Dwarf_info_reader::set_abbrev_shndx): New method.
 912         (Dwarf_info_reader::abbrev_shndx_): New data member.
 913
 914 2012-10-23  Cary Coutant  <ccoutant@google.com>
 915
 916         * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
 917         from object, not parameters.
 918         (Dwarf_info_reader::parse): Likewise.
 919         * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
 920         (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
 921         (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
 922         methods.
 923
 924 2012-10-23  Cary Coutant  <ccoutant@google.com>
 925
 926         * fileread.cc (Input_file::Input_file): New constructor.
 927         * fileread.h (class Input_file): Add new constructor.
 928
 929 2012-10-18  Alan Modra  <amodra@gmail.com>
 930
 931         PR gold/14727
 932         * object.cc (Relobj::is_section_name_included): Also match
 933         .sdata personality section.
 934
 935 2012-10-18  Alan Modra  <amodra@gmail.com>
 936
 937         * target-reloc.h (class Default_comdat_behavior): New, package up..
 938         (get_comdat_behaviour): ..this.
 939         (relocate_section): Add Relocate_comdat_behavior template arg,
 940         adjust code to suit.
 941         * arm.cc (Target_arm::relocate_section): Adjust to suit.
 942         (Target_arm::scan_reloc_section): Likewise.
 943         * i386.cc (Target_i386::relocate_section): Likewise.
 944         * sparc.cc (Target_sparc::relocate_section): Likewise.
 945         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
 946         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
 947         * powerpc.cc (class Relocate_comdat_behavior): New.
 948         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
 949         gold::relocate_section with new template arg.
 950
 951 2012-10-18  Alan Modra  <amodra@gmail.com>
 952
 953         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
 954         dynamic relocs for GOT_TPREL got entries, without symbol if
 955         resolving locally.
 956         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
 957         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
 958         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
 959
 960 2012-10-17  Alan Modra  <amodra@gmail.com>
 961
 962         PR gold/14726
 963         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
 964
 965 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
 966
 967         * layout.cc (Layout::include_section): Keep sections marked
 968         SHF_EXCLUDE when doing relocatable links.
 969
 970 2012-10-16  Alan Modra  <amodra@gmail.com>
 971
 972         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
 973         (Target_powerpc::do_finalize_sections): Call it.
 974         (Output_data_save_res): New class and supporting functions.
 975         (Target_powerpc::symval_for_branch): Only look up .opd entry for
 976         normal symbols defined in object files.
 977
 978 2012-10-12  Alan Modra  <amodra@gmail.com>
 979
 980         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
 981         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
 982         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
 983         section if scan_opd_relocs not yet called.
 984         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
 985
 986 2012-10-12  Alan Modra  <amodra@gmail.com>
 987
 988         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
 989         add_local_ifunc_entry): Revert last change.
 990         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
 991
 992 2012-10-05  Alan Modra  <amodra@gmail.com>
 993
 994         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
 995         do_plt_address_for_global): New functions.
 996         (Output_data_got_powerpc::do_write): Don't segfault when linking
 997         statically.
 998         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
 999         add_local_ifunc_entry): Return true on adding entry..
1000         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
1001         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
1002         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
1003         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
1004         set up symbols here.
1005         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
1006         syms here.  Do so even when no .iplt.  Don't segfault when linking
1007         statically.
1008         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
1009         new variants without reloc param.
1010         (Glink_sym_ent::Glink_sym_ent): Likewise.
1011         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
1012         reloc when refs will resolve to plt call stub.
1013         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
1014         R_PPC_PLTREL24 to resolve locally.
1015         (Target_powerpc::Scan::global): Correct ifunc handling.
1016         (Target_powerpc::Relocate::relocate): Correct local sym glink
1017         lookup.  Don't destroy "value" when we have a plt call stub,
1018         and when checking plt call validity.
1019         (Target_powerpc::do_dynsym_value): Simplify.
1020
1021 2012-10-05  Alan Modra  <amodra@gmail.com>
1022
1023         * i386.cc (Output_data_plt_i386::address_for_global,
1024         address_for_local): Add plt offset to returned value.  Adjust uses.
1025         * sparc.cc (Output_data_plt_sparc::address_for_global,
1026         address_for_local): Likewise.
1027         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
1028         address_for_local): Likewise.
1029         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
1030         address_for_local): Likewise.
1031         * target.h (Target::plt_address_for_global, plt_address_for_local):
1032         Update comment.
1033         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
1034         (Output_data_got::Got_entry::write): Nor here.
1035         * output.h: Comment fix.
1036
1037 2012-10-02  Jiong Wang  <jiwang@tilera.com>
1038
1039         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
1040         global_offset_table_ value for larget got.
1041         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
1042
1043 2012-09-29  Alan Modra  <amodra@gmail.com>
1044
1045         * powerpc.cc (Target_powerpc::iplt_): New output section.
1046         (Target_powerpc::iplt_section, make_iplt_section,
1047         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
1048         (Target_powerpc::make_plt_entry): Handle ifunc syms.
1049         Target_powerpc::plt_entry_count): Count iplt entries too.
1050         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
1051         reloc section in constructor.  New params.
1052         (Target_powerpc::make_plt_section): Create reloc section here instead.
1053         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
1054         functions.
1055         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
1056         (Output_data_glink::add_entry, find_entry): New functions to
1057         deal with local syms.
1058         (Glink_sym_ent): Add support for local syms.
1059         (Output_data_glink::do_write): Handle ifunc plt entries.
1060         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
1061         (Target_powerpc::Scan::local, global): Handle ifunc syms.
1062         (Target_powerpc::Relocate::relocate): Likewise.
1063         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
1064
1065 2012-09-25  Alan Modra  <amodra@gmail.com>
1066
1067         * object.h (Sized_relobj_file::adjust_local_symbol,
1068         do_adjust_local_symbol): New functions.
1069         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
1070         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
1071         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
1072         and irregular opd entry spacing.
1073         (Powerpc_relobj::do_read_relocs): Add opd size checks.
1074         (Global_symbol_visitor_opd): New functor.
1075         (Target_powerpc::do_finalize_sections): Omit global symbols defined
1076         on deleted opd entries.
1077
1078 2012-09-15  Jiong Wang  <jiwang@tilera.com>
1079
1080         * tilegx.cc: New file.
1081         * Makefile.am (TARGETSOURCES): Add tilegx.cc
1082         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
1083         * configure.tgt: Add entries for tilegx*.
1084         * configure.ac: Likewise.
1085         * Makefile.in: Rebuild.
1086         * configure: Likewise.
1087         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
1088         tilegx.
1089
1090 2012-09-13  Alan Modra  <amodra@gmail.com>
1091
1092         * target-reloc.h (scan_relocs): Call scan.local for relocs
1093         against symbols in discarded sections.  Pass is_discarded
1094         param.
1095         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
1096         Add is_discarded param.
1097         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
1098         is_discarded to flag opd entry as discarded.  Don't emit dyn
1099         relocs on such entries.
1100         (Target_powerpc::Scan::global): Similarly detect and handle
1101         such opd entries.
1102         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
1103         opd_ent_.  Update all uses.
1104         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
1105         (Target_powerpc::relocate_section): Zero out discarded opd
1106         entry relocs.
1107
1108 2012-09-12  Ian Lance Taylor  <iant@google.com>
1109
1110         PR gold/14570
1111         * output.cc: Rename Output_data_got template parameter from size
1112         to got_size for all functions.  Compile all variants of
1113         Output_data_got.
1114         (Output_data_got::Got_entry::write): Correct use of size for
1115         symbol value.  Use local_is_tls rather than casting to
1116         Sized_relobj_file.
1117         * object.h (class Object): Add local_is_tls and do_local_is_tls.
1118         (class Sized_relobj_file): Add do_local_is_tls.
1119         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
1120
1121 2012-09-11  Alan Modra  <amodra@gmail.com>
1122
1123         PR gold/14566
1124         * layout.cc (Layout::set_segment_offsets): When using
1125         common-page-size alignment, ensure we are on a new max-page-size
1126         page.
1127         * output.cc (Output_segment::set_section_addresses): Use
1128         abi_pagesize, not common_pagesize for relro boundary.
1129         (Output_segment::set_offset): Likewise.
1130
1131 2012-09-11  Alan Modra  <amodra@gmail.com>
1132
1133         * output.h (Output_data_got::add_global_tls, add_local_tls,
1134         add_local_tls_pair): New functions.
1135         (Output_data_got::add_local_pair_with_rel): Remove second
1136         reloc param.  Expand comment.
1137         (Output_data_got::Got_entry): Rename use_plt_offset_ to
1138         use_plt_or_tls_offset_, similarly for constructor param.
1139         (Output_data_got::Got_entry::write): Add got_index param.
1140         * output.cc (Output_data_got::add_global_tls, add_local_tls,
1141         add_local_tls_pair): New functions.
1142         (Output_data_got::Got_entry::write): Handle tls symbols
1143         with use_plt_or_tls_offset_ set specially.
1144         (Output_data_got::add_local_pair_with_rel): Only one reloc.
1145         (Output_data_got::do_write): Replace iterator with index, pass
1146         index to entry write function.
1147         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
1148         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
1149         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
1150         call.
1151         * i386.cc (Target_i386::Scan::local): Likewise.
1152         * sparc.cc (Target_sparc::Scan::local): Likewise.
1153         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
1154         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
1155         do_tls_offset_for_global): New functions.
1156         (Target_powerpc::Scan::local): Correct TLS relocations and got
1157         entry values.
1158         (Target_powerpc::Scan::global): Don't emit unnecessary
1159         dynamic relocations on TLS GOT entries.
1160
1161 2012-09-10  Matthias Klose  <doko@ubuntu.com>
1162
1163         * config.in: Disable sanity check for kfreebsd.
1164
1165 2012-09-10  Sterling Augustine  <saugustine@google.com>
1166
1167         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
1168         (Gdb_index::pubtypes_read): New parameter.
1169         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
1170         to calls.
1171         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
1172         pubtypes_object_.
1173
1174 2012-09-09  Alan Modra  <amodra@gmail.com>
1175
1176         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
1177         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
1178         * gc.h (gc_process_relocs): Call target gc_add_reference.
1179         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
1180         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
1181         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
1182         unnecessary cast.
1183         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
1184         to cater for when we don't need code offset.  Update use.
1185         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
1186         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
1187         set_opd_valid): New functions.
1188         (Target_powerpc::do_gc_add_reference): New function.
1189         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
1190         stashed refs.
1191         (Target_powerpc::do_gc_mark_symbol): New function.
1192
1193 2012-09-06  Cary Coutant  <ccoutant@google.com>
1194
1195         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
1196         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
1197         (Dwarf_die::skip_attributes): Likewise.
1198         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
1199         * testsuite/gdb_index_test.cc (inline_func_1): New function.
1200         (main): Call it.
1201         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
1202
1203 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
1204
1205         * testsuite/script_test_3.t: Add .got.plt output section
1206         statement.
1207         * testsuite/script_test_4.t: Likewise.
1208
1209 2012-09-05  Alan Modra  <amodra@gmail.com>
1210
1211         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
1212         update all uses and lose "enum" when using type.
1213
1214 2012-09-05  Alan Modra  <amodra@gmail.com>
1215
1216         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
1217         * configure: Regenerate.
1218         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
1219         (plugin_final_layout.stdout): Likewise.
1220         (memory_test): Set page sizes to 0x1000.
1221         * testsuite/Makefile.in: Regenerate.
1222         * testsuite/discard_locals_test.sh: Add FIXME comment.
1223         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
1224         * testsuite/pr14265.t: Add .got output section statement.
1225         * testsuite/script_test_2.t: Likewise.
1226         * testsuite/script_test_3.t: Likewise.
1227         * testsuite/script_test_4.t: Likewise.
1228         * testsuite/script_test_5.t: Likewise.
1229         * testsuite/script_test_6.t: Likewise.
1230         * testsuite/script_test_7.t: Likewise.
1231         * testsuite/script_test_9.t: Likewise.
1232
1233 2012-09-05  Alan Modra  <amodra@gmail.com>
1234
1235         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
1236         (Powerpc_relocate_functions::Status): New typedef.
1237         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
1238         (Target_powerpc::Scan::local): Handle REL64.
1239         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
1240         for REL32 and REL64.
1241         (Target_powerpc::symval_for_branch): New function, extracted from..
1242         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
1243         checks.  Report overflow errors.
1244
1245 2012-09-05  Alan Modra  <amodra@gmail.com>
1246
1247         * object.h (Sized_relobj_file::emit_relocs): Delete.
1248         (Sized_relobj_file::emit_relocs_reltype): Delete.
1249         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
1250         relocate_relocs for --emit-relocs.
1251         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
1252         * output.h: Update comment.
1253         (Output_segment::first_section): New function.
1254         (Output_segment::first_section_load_address): Use first_section.
1255         * output.cc (Output_segment::first_section): New function extracted..
1256         (Output_segment::first_section_load_address): ..from here.  Delete.
1257         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
1258         * target.h (Sized_target::relocate_for_relocatable): Likewise.
1259         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
1260         adjust call to target.h function.
1261         * i386.cc (Target_i386): Likewise.
1262         * sparc.cc (Target_sparc): Likewise.
1263         * x86_64.cc (Target_x86_64): Likewise.
1264         * powerpc.cc (Target_powerpc): Likewise.
1265         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
1266         first tls section has section symbol for optimised local dynamic
1267         output relocs.
1268         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
1269         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
1270         optimised tls code.
1271         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
1272         Rename to relocate_relocs.  Update error message.
1273
1274 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
1275
1276         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
1277         --just-symbols.
1278
1279 2012-08-31  Alan Modra  <amodra@gmail.com>
1280
1281         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
1282         (Powerpc_relobj::toc_base_offset): New stub function.
1283         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
1284         got_mod_index_offset to tlsld_got_offset.  Update all refs.
1285         (Target_powerpc::Relocate::enum skip_tls): New.
1286         (Target_powerpc::call_tls_get_addr_): New var.
1287         (Target_powerpc::is_branch_reloc): Move to file scope.
1288         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
1289         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
1290         New functions.
1291         (Target_powerpc::enum Got_type): Delete old values, add new ones.
1292         (powerpc_info): Correct common_pagesize for ppc64.
1293         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
1294         (Powerpc_relocate_functions): Add overflow check enums and functions.
1295         Add non-shift version of rela, rela_ua.  Delete all rel public
1296         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
1297         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
1298         addr16_ha3, addr14 functions.
1299         (Output_data_got_powerpc::add_constant_pair): New function.
1300         (Output_data_got_powerpc::got_base_offset): Likewise.
1301         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
1302         (instruction constants): Sort, add some more.
1303         (Output_data_glink::do_write): Add and use Address typedef.  Use
1304         object->toc_base_offset() stub for 64-bit.
1305         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
1306         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
1307         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
1308         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
1309         Always treat .opd relocs as against locally defined symbol.
1310         Correct condition for RELATIVE relocs.
1311         (Target_powerpc::do_finalize_sections): Test for NULL sections.
1312         (Target_powerpc::Relocate::relocate): Use plt call stub as value
1313         for 32-bit syms with a plt entry.  Correct ppc64 toc base
1314         calculations.  Handle TLS relocs, and more.  Add overflow
1315         checking and adjust for Powerpc_relocate_functions changes.
1316         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
1317         Reinstate --emit-relocs code with FIXME.
1318
1319 2012-08-30  Alan Modra  <amodra@gmail.com>
1320
1321         * layout.cc (Layout::set_segment_offsets): Set p_align to
1322         abi_pagesize, not common_pagesize.
1323         (Layout::relaxation_loop_body): Similarly use abi_pagesize
1324         to determine whether file header can go in segment.
1325
1326 2012-08-30  Alan Modra  <amodra@gmail.com>
1327
1328         * output.h (Output_reloc::Output_reloc <output section>): Add
1329         is_relative param.  Adjust calls.
1330         (Output_reloc::add_output_section_relative): New functions.
1331         * output.cc (Output_reloc::Output_reloc <output section>): Handle
1332         is_relative.
1333         (Output_reloc::symbol_value): Handle SECTION_CODE.
1334
1335 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
1336
1337         * gold.cc (queue_middle_tasks): Call layout again when unique
1338         segments for sections is desired.
1339         * layout.cc (Layout::Layout): Initialize new members.
1340         (Layout::get_output_section_flags): New function.
1341         (Layout::choose_output_section): Call get_output_section_flags.
1342         (Layout::layout): Make output section for mapping to a unique segment.
1343         (Layout::insert_section_segment_map): New function.
1344         (Layout::attach_allocated_section_to_segment): Make unique segment for
1345         output sections marked so.
1346         (Layout::segment_precedes): Check for unique segments when sorting.
1347         * layout.h (Layout::Unique_segment_info): New struct.
1348         (Layout::Section_segment_map): New typedef.
1349         (Layout::insert_section_segment_map): New function.
1350         (Layout::get_output_section_flags): New function.
1351         (Layout::is_unique_segment_for_sections_specified): New function.
1352         (Layout::set_unique_segment_for_sections_specified): New function.
1353         (Layout::unique_segment_for_sections_specified_): New member.
1354         (Layout::section_segment_map_): New member.
1355         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
1356         Rename is_gc_pass_one to is_pass_one.
1357         Rename is_gc_pass_two to is_pass_two.
1358         Rename is_gc_or_icf to is_two_pass.
1359         Check for which pass based on whether symbols data is present.
1360         Make it two pass when unique segments for sections is desired.
1361         * output.cc (Output_section::Output_section): Initialize new
1362         members.
1363         * output.h (Output_section::is_unique_segment): New function.
1364         (Output_section::set_is_unique_segment): New function.
1365         (Output_section::is_unique_segment_): New member.
1366         (Output_section::extra_segment_flags): New function.
1367         (Output_section::set_extra_segment_flags): New function.
1368         (Output_section::extra_segment_flags_): New member.
1369         (Output_section::segment_alignment): New function.
1370         (Output_section::set_segment_alignment): New function.
1371         (Output_section::segment_alignment_): New member.
1372         (Output_segment::Output_segment): Initialize is_unique_segment_.
1373         (Output_segment::is_unique_segment): New function.
1374         (Output_segment::set_is_unique_segment): New function.
1375         (Output_segment::is_unique_segment_): New member.
1376         * plugin.cc (allow_unique_segment_for_sections): New function.
1377         (unique_segment_for_sections): New function.
1378         (Plugin::load): Add new functions to transfer vector.
1379         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
1380         * Makefile.in: Regenerate.
1381         * testsuite/plugin_final_layout.sh: Check if unique segment
1382         functionality works.
1383         * testsuite/plugin_section_order.c (onload): Check if new interfaces
1384         are available.
1385         (allow_unique_segment_for_sections): New global.
1386         (unique_segment_for_sections): New global.
1387         (claim_file_hook): Call allow_unique_segment_for_sections.
1388         (all_symbols_read_hook): Call unique_segment_for_sections.
1389
1390 2012-08-22  Cary Coutant  <ccoutant@google.com>
1391
1392         * layout.cc (Layout::include_section): Don't assert on GROUP
1393         sections with --emit-relocs.
1394
1395 2012-08-21  Cary Coutant  <ccoutant@google.com>
1396
1397         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
1398         if --export-dynamic-symbol names an undef symbol.
1399
1400 2012-08-18  Alan Modra  <amodra@gmail.com>
1401
1402         * powerpc.cc: Formatting and white space.
1403         (Powerpc_relobj): Rename got2_section_ to special_.
1404         Add opd_ent_shndx_ and opd_ent_off_ vectors.
1405         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
1406         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
1407         (Target_powerpc): Add Address typedef and invalid_address.  Use
1408         throughout.
1409         (Target_powerpc::is_branch_reloc): New function.
1410         (Powerpc_relocate_functions): Add Address typedef, use throughout.
1411         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
1412         for dst_mask, value and addend.
1413         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
1414         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
1415         (Output_data_glink::do_write): Correct toc base.  Don't try to use
1416         uint16_t for 24-bit offset.  Use get_output_section_offset and
1417         check return.
1418         (Target_powerpc::Scan::local): Handle more relocs.
1419         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
1420         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
1421         Plug in toc restoring insn after plt calls.  Translate branches
1422         to function descriptor symbols to corresponding entry point.
1423         (Target_powerpc::relocate_for_relocatable): Check return from
1424         get_output_section_offset.
1425         * symtab.h: Comment typo.
1426
1427 2012-08-14  Ian Lance Taylor  <iant@google.com>
1428
1429         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
1430         unsupported_relocal_local to call unsupported_reloc_global.
1431
1432 2012-08-14  Nick Clifton  <nickc@redhat.com>
1433
1434         PR ld/14265
1435         * script-sections.cc (Sections_element::output_section_name): Add
1436         keep return parameter.
1437         (Output_section_element::match_name): Add keep return parameter.
1438         Return the value of the keep_ member.
1439         * script-sections.h (class Output_section): Update
1440         output_section_name prototype.
1441         * layout.cc (Layout::keep_input_section): New public member
1442         function.
1443         (Layout::choose_output_section): Pass keep parameter to
1444         output_section_name.
1445         * layout.h (class Layout): Add keep_input_section.
1446         * object.cc (Sized_relobj_file::do_layout): Check for kept input
1447         sections.
1448         * testsuite/Makefile.am: Add a test.
1449         * testsuite/Makefile.in: Regenerate.
1450         * testsuite/pr14265.c: Source file for the test.
1451         * testsuite/pr14265.t: Linker script for the test.
1452         * testsuite/pr14265.sh: Shell script for the test.
1453
1454 2012-08-14  Alan Modra  <amodra@gmail.com>
1455
1456         * target.h (Target::output_section_name): New function.
1457         (Target::do_output_section_name): New function.
1458         * layout.cc (Layout::choose_output_section): Call the above.
1459         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
1460
1461 2012-08-14  Alan Modra  <amodra@gmail.com>
1462
1463         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
1464         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
1465         for replace_constant call.
1466         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
1467         (Output_data_glink::do_print_to_mapfile): New function.
1468         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
1469         (Target_powerpc::Relocate::relocate): Likewise.
1470
1471 2012-08-14  Alan Modra  <amodra@gmail.com>
1472
1473         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
1474         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
1475         (Output_data_glink::add_entry,find_entry): Remove shndx param.
1476         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
1477         all references to shndx_.  Handle special case for R_PPC_PLTREL24
1478         here.
1479         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
1480         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
1481         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
1482         here.
1483         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
1484         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
1485
1486 2012-08-12  Alan Modra  <amodra@gmail.com>
1487
1488         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
1489         (glink insn constants): Use uint32_t.
1490         (Output_data_glink::add_entry): Use insert, not [] operator.
1491
1492 2012-08-11  Alan Modra  <amodra@gmail.com>
1493
1494         * object.h (Sized_relobj_file::find_shdr): New function.
1495         (Sized_relobj_file::find_special_sections): New function.
1496         * object.cc (Sized_relobj_file::find_shdr): New function.
1497         (Sized_relobj_file::find_eh_frame): Use find_shdr.
1498         (Sized_relobj_file::find_special_sections): New function, split out..
1499         (Sized_relobj_file::do_read_symbols): ..from here.
1500         * output.h (Output_data_got::replace_constant): New function.
1501         (Output_data_got::num_entries): New function.
1502         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
1503         (Output_data_got::got_offset): Protected rather than private.
1504         (Output_data_got::replace_got_entry): New function.
1505         * output.cc (Output_data_got::replace_got_entry): New function.
1506         * powerpc.cc (class Powerpc_relobj): New.
1507         (class Powerpc_relocate_functions): Delete all psymval variants or
1508         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
1509         Implement _ha functions using corresponding _hi function.
1510         (Powerpc_relobj::find_special_sections): New function.
1511         (Target_powerpc::do_make_elf_object): New function.
1512         (class Output_data_got_powerpc): New.
1513         (class Output_data_glink): New.
1514         (class Powerpc_scan_relocatable_reloc): New.
1515         Many more changes througout file.
1516
1517 2012-08-09  Nick Clifton  <nickc@redhat.com>
1518
1519         * po/vi.po: Updated Vietnamese translation.
1520
1521 2012-08-07  Ian Lance Taylor  <iant@google.com>
1522
1523         * layout.cc (Layout::add_target_dynamic_tags): If
1524         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
1525         plt_rel.
1526
1527 2012-07-30  Nick Clifton  <nickc@redhat.com>
1528
1529         * po/gold.pot: Updated template.
1530         * po/es.po: Updated Spanish translation.
1531
1532 2012-07-18  Cary Coutant  <ccoutant@google.com>
1533
1534         PR gold/14344
1535         * configure.ac: Add check for -gpubnames support.
1536         * configure: Regenerate.
1537         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
1538         support; force -gno-pubnames.
1539         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
1540         support.
1541         (gdb_index_test_4): New test.
1542         * testsuite/Makefile.in: Regenerate.
1543         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
1544         * testsuite/gdb_index_test_2.sh: Likewise.
1545         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
1546         * testsuite/gdb_index_test_4.sh: New script.
1547         * testsuite/gdb_index_test_comm.sh: New script with common code;
1548         don't look for space after colon.
1549
1550 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
1551
1552         * gold.cc (queue_middle_tasks): Update function order only after
1553         deferred objects due to plugins are processed.
1554
1555 2012-07-11  Ian Lance Taylor  <iant@google.com>
1556
1557         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
1558         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
1559         (Target_arm::scan_reloc_for_stub): Likewise.
1560         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
1561         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
1562         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
1563         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
1564         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
1565
1566 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
1567             Ian Lance Taylor  <iant@google.com>
1568
1569         PR gold/14309
1570         * configure.ac: Test whether std::tr1::hash<off_t> works.
1571         * gold.h: Add a specialization for std::tr1::hash<off_t> if
1572         needed.
1573         * output.h (class Output_fill): Add virtual destructor.
1574         * configure, config.in: Rebuild.
1575
1576 2012-06-22  Roland McGrath  <mcgrathr@google.com>
1577
1578         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
1579
1580 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
1581
1582         * plugin.cc (Plugin::load): Handle position independent executables.
1583
1584 2012-06-06  Cary Coutant  <ccoutant@google.com>
1585
1586         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
1587         add .debug_macro.
1588         (lines_only_debug_sections): Likewise.
1589         (gdb_fast_lookup_sections): New static array.
1590         (is_gdb_debug_section): Rename formal parameter.
1591         (is_lines_only_debug_section): Likewise.
1592         (is_gdb_fast_lookup_section): New function.
1593         (Layout::include_section): Check for ".zdebug_" prefix; pass
1594         section name suffix to is_gdb_debug_section, et al.; check for
1595         fast-lookup sections when building .gdb_index.
1596         * options.h (--strip-debug-gdb): Update GDB version number.
1597
1598 2012-06-06  Cary Coutant  <ccoutant@google.com>
1599
1600         * configure.ac: Add check for fallocate.
1601         * configure: Regenerate.
1602         * config.in: Regenerate.
1603
1604         * options.h (class General_options): Add --mmap-output-file and
1605         --posix-fallocate options.
1606         * output.cc: (posix_fallocate): Remove; replace with...
1607         (gold_fallocate): New function.
1608         (Output_file::map_no_anonymous): Call gold_fallocate.
1609         (Output_file::map): Check --mmap-output-file option.
1610
1611 2012-06-05  Jing Yu  <jingyu@google.com>
1612
1613         * gold.h (textdomain): Add do {} to empty while(0).
1614         (bindtextdomain): Likewise.
1615
1616 2012-06-04  Cary Coutant  <ccoutant@google.com>
1617
1618         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
1619         has_dynsym_index.
1620
1621 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
1622
1623         * symtab.cc (Symbol_table::define_special_symbol):
1624         Initialize *poldsym to prevent uninitialized variable errors.
1625
1626 2012-05-23  Cary Coutant  <ccoutant@google.com>
1627
1628         * layout.cc (Layout::section_name_mapping): Add rules to handle
1629         exact match on .data.rel.ro.local or .data.rel.ro.
1630         (Layout::output_section_name): Check for exact matches.
1631
1632 2012-05-23  Cary Coutant  <ccoutant@google.com>
1633
1634         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
1635         more carefully.
1636
1637 2012-05-22  Cary Coutant  <ccoutant@google.com>
1638
1639         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
1640         object before exporting symbol.
1641
1642 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1643
1644         * testsuite/tls_test.cc: Include "config.h" first.
1645         * testsuite/tls_test_c.c: Likewise.
1646
1647 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
1648             Nick Clifton  <nickc@redhat.com>
1649
1650         PR 14072
1651         * configure.in: Add check that sysdep.h has been included before
1652         any system header files.
1653         * configure: Regenerate.
1654         * config.in: Regenerate.
1655
1656 2012-05-14  Cary Coutant  <ccoutant@google.com>
1657
1658         * layout.cc (Layout::make_output_section): Mark .tdata section
1659         as RELRO.
1660         * testsuite/relro_test.cc: Add a TLS variable.
1661
1662 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1663
1664         PR gold/14091
1665         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
1666         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
1667         R_X86_64_64.
1668
1669 2012-05-08  Cary Coutant  <ccoutant@google.com>
1670
1671         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
1672         (lines_only_debug_sections): Likewise.
1673
1674 2012-05-02  Roland McGrath  <mcgrathr@google.com>
1675
1676         * nacl.cc: New file.
1677         * nacl.h: New file.
1678         * Makefile.am (CCFILES, HFILES): Add them.
1679         * Makefile.in: Regenerate.
1680         * i386.cc (Output_data_plt_i386_nacl): New class.
1681         (Output_data_plt_i386_nacl_exec): New class.
1682         (Output_data_plt_i386_nacl_dyn): New class.
1683         (Target_i386_nacl): New class.
1684         (Target_selector_i386_nacl): New class.
1685         (target_selector_i386): Use it instead of Target_selector_i386.
1686         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
1687         (Target_x86_64_nacl): New class.
1688         (Target_selector_x86_64_nacl): New class.
1689         (target_selector_x86_64, target_selector_x32): Use it instead of
1690         Target_selector_x86_64.
1691         * arm.cc (Output_data_plt_arm_nacl): New class.
1692         (Target_arm_nacl): New class.
1693         (Target_selector_arm_nacl): New class.
1694         (target_selector_arm, target_selector_armbe): Use it instead of
1695         Target_selector_arm.
1696
1697         * target-select.cc (select_target): Take new Input_file* and off_t
1698         arguments, pass them on to recognize method of selector.
1699         * object.cc (make_elf_sized_object): Update caller.
1700         * parameters.cc (parameters_force_valid_target): Likewise.
1701         * incremental.cc (make_sized_incremental_binary): Likewise.
1702         * target-select.h: Update decl.
1703         (Target_selector::recognize): Take new Input_file* argument,
1704         pass it on to do_recognize.
1705         (Target_selector::do_recognize): Take new Input_file* argument.
1706         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
1707         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
1708         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
1709         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
1710
1711         * target.h (Target::Target_info): New members isolate_execinstr
1712         and rosegment_gap.
1713         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
1714         * arm.cc (Target_arm::arm_info): Update initializer.
1715         * i386.cc (Target_i386::i386_info): Likewise.
1716         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
1717         * sparc.cc (Target_sparc::sparc_info): Likewise.
1718         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1719         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
1720         * layout.cc (Layout::attach_allocated_section_to_segment):
1721         Take new const Target* argument.  If target->isolate_execinstr(), act
1722         like --rosegment.
1723         (Layout::find_first_load_seg): Take new const Target* argument;
1724         if target->isolate_execinstr(), reject PF_X segments.
1725         (Layout::relaxation_loop_body): Update caller.
1726         (Layout::set_segment_offsets): If target->isolate_execinstr(),
1727         reset file offset to zero when we hit LOAD_SEG, and then do a second
1728         loop over the segments before LOAD_SEG to reassign offsets after
1729         addresses have been determined.  Handle target->rosegment_gap().
1730         (Layout::attach_section_to_segment): Take new const Target* argument;
1731         pass it to attach_allocated_section_to_segment.
1732         (Layout::make_output_section): Update caller.
1733         (Layout::attach_sections_to_segments): Take new const Target* argument;
1734         pass it to attach_section_to_segment.
1735         * gold.cc (queue_middle_tasks): Update caller.
1736         * layout.h (Layout): Update method decls with new arguments.
1737
1738         * arm.cc (Target_arm::Target_arm): Take optional argument for the
1739         Target_info pointer to use.
1740         (Target_arm::do_make_data_plt): New virtual method.
1741         (Target_arm::make_data_plt): New method that calls it.
1742         (Target_arm::make_plt_entry): Use it.
1743         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
1744         for the section alignment.
1745         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
1746         method.
1747         (Output_data_plt_arm::first_plt_entry_offset): Call it.
1748         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
1749         method.
1750         (Output_data_plt_arm::get_plt_entry_size): Call it.
1751         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
1752         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
1753         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
1754         method.
1755         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
1756         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
1757         method instead of sizeof(plt_entry).
1758         (Output_data_plt_arm::add_entry): Likewise.
1759         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
1760         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
1761         than static method.
1762         (Target_arm::plt_entry_size): Likewise.
1763         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
1764         Move to ...
1765         (Output_data_plt_arm_standard): ... here, new class.
1766         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
1767         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
1768         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
1769
1770         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1771         Take additional argument for the PLT entry size.
1772         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
1773         Use get_plt_entry_size method rather than plt_entry_size variable.
1774         (Output_data_plt_x86_64::reserve_slot): Likewise.
1775         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
1776         (Output_data_plt_x86_64::add_entry): Likewise.
1777         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
1778         (Output_data_plt_x86_64::address_for_global): Likewise.
1779         (Output_data_plt_x86_64::address_for_local): Likewise.
1780         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1781         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
1782         Make method non-static.
1783         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
1784         method.
1785         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
1786         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
1787         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
1788         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
1789         virtual method.
1790         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
1791         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
1792         virtual method.
1793         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
1794         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
1795         virtual method.
1796         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
1797         (Output_data_plt_x86_64::plt_entry_size)
1798         (Output_data_plt_x86_64::first_plt_entry)
1799         (Output_data_plt_x86_64::plt_entry)
1800         (Output_data_plt_x86_64::tlsdesc_plt_entry)
1801         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
1802         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
1803         (Output_data_plt_x86_64_standard): ... here, new class.
1804         (Target_x86_64::Target_x86_64): Take optional argument for the
1805         Target_info pointer to use.
1806         (Target_x86_64::do_make_data_plt): New virtual method.
1807         (Target_x86_64::make_data_plt): New method to call it.
1808         (Target_x86_64::init_got_plt_for_update): Use that.
1809         Call this->plt_->add_eh_frame method here.
1810         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
1811         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
1812         rather than static method.
1813         (Target_x86_64::plt_entry_size): Likewise.
1814         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
1815         rather than plt_entry_size variable.  Move guts of PLT filling to...
1816         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
1817         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
1818         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
1819
1820         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
1821         additional argument for the section alignment.
1822         Don't do add_eh_frame_for_plt here.
1823         (Output_data_plt_i386::first_plt_entry_offset): Make the method
1824         non-static.  Use get_plt_entry_size method rather than plt_entry_size
1825         variable.
1826         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
1827         method.
1828         (Output_data_plt_i386::get_plt_entry_size): Call it.
1829         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
1830         (Output_data_plt_i386::add_eh_frame): New method to call it.
1831         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
1832         method.
1833         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
1834         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
1835         method.
1836         (Output_data_plt_i386::fill_plt_entry): New method to call it.
1837         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
1838         method instead of plt_entry_size.
1839         (Output_data_plt_i386::plt_entry_size)
1840         (Output_data_plt_i386::plt_eh_frame_fde_size)
1841         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
1842         (Output_data_plt_i386_standard): ... here, new class.
1843         (Output_data_plt_i386_exec): New class.
1844         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
1845         (Output_data_plt_i386_exec::first_plt_entry): ... here.
1846         (Output_data_plt_i386::exec_plt_entry): Move to ...
1847         (Output_data_plt_i386_exec::plt_entry): ... here.
1848         (Output_data_plt_i386_dyn): New class.
1849         (Output_data_plt_i386::first_plt_entry): Move to ...
1850         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
1851         (Output_data_plt_i386::dyn_plt_entry): Move to ...
1852         (Output_data_plt_i386_dyn::plt_entry): ... here.
1853         (Target_i386::Target_i386): Take optional argument for the Target_info
1854         pointer to use.
1855         (Target_i386::do_make_data_plt): New virtual method.
1856         (Target_i386::make_data_plt): New method to call it.
1857         (Target_i386::make_plt_section): Use that.
1858         Call this->plt_->add_eh_frame method here.
1859         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
1860         rather than plt_entry_size variable.
1861         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
1862         (Output_data_plt_i386::address_for_local): Likewise.
1863         (Output_data_plt_i386::do_write): Likewise.
1864         Move guts of PLT filling to...
1865         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
1866         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
1867         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
1868         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
1869
1870 2012-05-01  Cary Coutant  <ccoutant@google.com>
1871
1872         * dwarf_reader.cc (Dwarf_die::read_attributes)
1873         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
1874         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
1875         * reduced_debug_output.cc
1876         (Output_reduced_debug_info_section::get_die_end): Remove
1877         DW_FORM_GNU_ref_index.  Add default case.
1878
1879 2012-04-26  Mark Wielaard  <mjw@redhat.com>
1880
1881         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
1882         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
1883         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
1884         DW_AT_high_pc as offset from DW_AT_low_pc.
1885
1886         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
1887         * testsuite/Makefile.in: Regenerate.
1888         * testsuite/gdb_index_test_3.c: New test source file.
1889         * testsuite/gdb_index_test_3.sh: New test source file.
1890
1891 2012-04-25  Ian Lance Taylor  <iant@google.com>
1892
1893         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
1894         pointer.
1895         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
1896         as a class, not a struct.
1897         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
1898         (Target_arm::apply_cortex_a8_workaround): Likewise.
1899         * gc.h: Declare Reloc_types as a struct, not a class.
1900         * object.h: Declare Symbols_data as a struct.
1901         * reloc.h: Declare Read_relocs_data as a struct.
1902         * target.h: Declare Relocate_info as a struct.
1903
1904 2012-04-24  David S. Miller  <davem@davemloft.net>
1905
1906         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
1907         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
1908         and R_SPARC_WPLT30.
1909
1910 2012-04-24  Cary Coutant  <ccoutant@google.com>
1911
1912         * incremental-dump.cc (find_input_containing_global): Replace
1913         magic number with symbolic constant.
1914         (dump_incremental_inputs): Update version number.
1915         * incremental.cc (Output_section_incremental_inputs): Update version
1916         number; import symbolic constants from Incremental_inputs_reader.
1917         (Incremental_inputs::create_data_sections): Align relocations
1918         section correctly for 64-bit targets.
1919         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
1920         constants; add padding.
1921         (Output_section_incremental_inputs::write_header): Add assert for
1922         header_size.
1923         (Output_section_incremental_inputs::write_input_files): Add assert
1924         for input_entry_size.
1925         (Output_section_incremental_inputs::write_info_blocks): Add padding;
1926         add assert for object_info_size, input_section_entry_size,
1927         global_sym_entry_size.
1928         * incremental.h (Incremental_inputs_reader): Add symbolic constants
1929         for data structure sizes; use them.
1930         (Incremental_input_entry_reader): Import symbolic constants from
1931         Incremental_inputs_reader; use them.
1932
1933 2012-04-23  David S. Miller  <davem@davemloft.net>
1934
1935         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
1936         and elf_flags_set_.
1937         (Target_sparc::Target_sparc): Initialize new fields.
1938         (Target_sparc::do_make_elf_object): New function.
1939         (Target_sparc::do_adjust_elf_header): New function.
1940
1941 2012-04-23  Cary Coutant  <ccoutant@google.com>
1942
1943         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
1944         CU range table of gdb index.
1945
1946 2012-04-20  David S. Miller  <davem@davemloft.net>
1947
1948         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
1949         instead of false.
1950
1951 2012-04-16  David S. Miller  <davem@davemloft.net>
1952
1953         * sparc.cc (Target_sparc::got_address): New function.
1954         (Sparc_relocate_functions::gdop_hix22): New function.
1955         (Sparc_relocate_functions::gdop_lox10): New function.
1956         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
1957         relocs.
1958         (Target_sparc::Scan::local): Likewise if the global symbol is not
1959         preemptible and is not IFUNC.
1960         (Target_sparc::Relocate::relocate): Perform GOTDATA code
1961         transformations for local and non-preemptible non-IFUNC global
1962         symbols.
1963
1964         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
1965         writing out 64-bit part of ranges.
1966
1967         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
1968         -fpic and -fpie respectively.
1969         * Makefile.in: Regenerate.
1970
1971         * sparc.cc (class Target_sparc): Add rela_ifunc_.
1972         (Target_sparc::Target_sparc): Initialize new field.
1973         (Target_sparc::do_plt_section_for_global): New function.
1974         (Target_sparc::do_plt_section_for_local): New function.
1975         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
1976         (Target_sparc::make_plt_section): New function, broken out of
1977         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
1978         (Target_sparc::make_plt_entry): Call make_plt_section.
1979         (Target_sparc::make_local_ifunc_plt_entry): New function.
1980         (Target_sparc::rela_ifunc_section): New function.
1981         (Target_sparc::plt_section): Remove const.
1982         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
1983         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
1984         and ifunc_count_ fields.
1985         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
1986         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
1987         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
1988         (Output_data_plt_sparc::rela_ifunc): New function.
1989         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
1990         (Output_data_plt_sparc::has_ifunc_section): New function.
1991         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
1992         (Output_data_plt_sparc::address_for_global): New function.
1993         (Output_data_plt_sparc::address_for_local): New function.
1994         (Output_data_plt_sparc::plt_index_to_offset): New function.
1995         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
1996         and entry_count.
1997         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
1998         entry_count.
1999         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
2000         R_SPARC_JMP_IREL to switch.
2001         (Target_sparc::Scan::check_non_pic): Likewise.
2002         (Target_sparc::Scan::local): Handle IFUNC symbols.
2003         (Target_sparc::Scan::local): Likewise.
2004         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
2005         and plt_address_for_local.
2006         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
2007         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
2008
2009         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
2010         (class Output_data_reloc): Adjust calls to Output_reloc_type.
2011         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
2012         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
2013         global relocs too.
2014         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
2015         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
2016         calls.
2017         * sparc.cc (Target_sparc::Scan::global): Likewise.
2018         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2019
2020 2012-04-16  Cary Coutant  <ccoutant@google.com>
2021
2022         * archive.cc (Library_base::should_include_member): Check for
2023         --export-dynamic-symbol.
2024         * options.h (class General_options): Add --export-dynamic-symbol.
2025         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
2026         --export-dynamic-symbol.
2027         (Symbol_table::gc_mark_undef_symbols): Likewise.
2028         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
2029
2030 2012-04-12  David S. Miller  <davem@davemloft.net>
2031
2032         * sparc.cc (Reloc::wdisp10): New relocation method.
2033         (Reloc::h34): Likewise.
2034         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
2035         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
2036         R_SPARC_WDISP10.
2037         (Target_sparc::Scan::local): Likewise.
2038         (Target_sparc::Scan::global): Likewise.
2039         (Target_sparc::Relocate::relocate): Likewise.
2040
2041 2012-04-09  Cary Coutant  <ccoutant@google.com>
2042
2043         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
2044         low_pc == 0.
2045
2046 2012-04-06  Ian Lance Taylor  <iant@google.com>
2047
2048         * timer.cc: #include <unistd.h>.
2049
2050 2012-04-06  Roland McGrath  <mcgrathr@google.com>
2051
2052         * configure.in (AC_CHECK_HEADERS): Add locale.h.
2053         * config.in: Regenerate.
2054         * configure: Regenerate.
2055
2056 2012-04-05  Nick Clifton  <nickc@redhat.com>
2057
2058         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
2059         (AM_LC_MESSAGES): Add.
2060         * aclocal.m4: Regenerate.
2061         * config.in: Regenerate.
2062         * configure: Regenerate.
2063
2064 2012-03-21  Cary Coutant  <ccoutant@google.com>
2065
2066         * Makefile.am: Add gdb-index.cc, gdb-index.h.
2067         * Makefile.in: Regenerate.
2068         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
2069         (Sized_elf_reloc_mapper::symbol_section): New function.
2070         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
2071         (make_elf_reloc_mapper): New function.
2072         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
2073         (Dwarf_abbrev_table::do_read_abbrevs): New function.
2074         (Dwarf_abbrev_table::do_get_abbrev): New function.
2075         (Dwarf_ranges_table::read_ranges_table): New function.
2076         (Dwarf_ranges_table::read_range_list): New function.
2077         (Dwarf_pubnames_table::read_section): New function.
2078         (Dwarf_pubnames_table::read_header): New function.
2079         (Dwarf_pubnames_table::next_name): New function.
2080         (Dwarf_die::Dwarf_die): New function.
2081         (Dwarf_die::read_attributes): New function.
2082         (Dwarf_die::skip_attributes): New function.
2083         (Dwarf_die::set_name): New function.
2084         (Dwarf_die::set_linkage_name): New function.
2085         (Dwarf_die::attribute): New function.
2086         (Dwarf_die::string_attribute): New function.
2087         (Dwarf_die::int_attribute): New function.
2088         (Dwarf_die::uint_attribute): New function.
2089         (Dwarf_die::ref_attribute): New function.
2090         (Dwarf_die::child_offset): New function.
2091         (Dwarf_die::sibling_offset): New function.
2092         (Dwarf_info_reader::check_buffer): New function.
2093         (Dwarf_info_reader::parse): New function.
2094         (Dwarf_info_reader::do_parse): New function.
2095         (Dwarf_info_reader::do_read_string_table): New function.
2096         (Dwarf_info_reader::lookup_reloc): New function.
2097         (Dwarf_info_reader::get_string): New function.
2098         (Dwarf_info_reader::visit_compilation_unit): New function.
2099         (Dwarf_info_reader::visit_type_unit): New function.
2100         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
2101         Sized_elf_reloc_mapper.
2102         (Sized_dwarf_line_info::symbol_section): Remove function.
2103         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
2104         (Sized_dwarf_line_info::read_line_mappings): Remove object
2105         parameter, adjust callers.
2106         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
2107         * dwarf_reader.h: Include <sys/types.h>.
2108         (class Track_relocs): Remove forward declaration.
2109         (class Elf_reloc_mapper): New class.
2110         (class Sized_elf_reloc_mapper): New class.
2111         (class Dwarf_abbrev_table): New class.
2112         (class Dwarf_range_list): New class.
2113         (class Dwarf_ranges_table): New class.
2114         (class Dwarf_pubnames_table): New class.
2115         (class Dwarf_die): New class.
2116         (class Dwarf_info_reader): New class.
2117         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
2118         (Sized_dwarf_line_info::symbol_section): Remove member function.
2119         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
2120         base class.
2121         * gdb-index.cc: New source file.
2122         * gdb-index.h: New source file.
2123         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
2124         and .debug_types sections, call Layout::add_to_gdb_index.
2125         (Sized_relobj_incr::do_section_name): Implement.
2126         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
2127         return type; Implement.
2128         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
2129         return type.
2130         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
2131         parameter list and return type.
2132         (Sized_incr_dynobj::do_section_contents): Likewise.
2133         * layout.cc: Include gdb-index.h.
2134         (Layout::Layout): Initialize gdb_index_data_.
2135         (Layout::init_fixed_output_section): Check for .gdb_index section.
2136         (Layout::add_to_gdb_index): New function. Instantiate.
2137         * layout.h: Add forward declaration for class Gdb_index.
2138         (Layout::add_to_gdb_index): New member function.
2139         (Layout::gdb_index_data_): New data member.
2140         * main.cc: Include gdb-index.h.
2141         (main): Print statistics for gdb index.
2142         * object.cc (Object::section_contents): Move code into
2143         do_section_contents.
2144         (need_decompressed_section): Check for sections needed when building
2145         gdb index.
2146         (build_compressed_section_map): Likewise.
2147         (Sized_relobj_file::do_read_symbols): Need local symbols when building
2148         gdb index.
2149         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
2150         sections; call Layout::add_to_gdb_index.
2151         (Sized_relobj_file::do_decompressed_section_contents): Call
2152         do_section_contents directly.
2153         * object.h (Object::do_section_contents): Adjust parameter list and
2154         return type.
2155         (Object::do_decompressed_section_contents): Call do_section_contents
2156         directly.
2157         (Sized_relobj_file::do_section_contents): Adjust parameter list and
2158         return type.
2159         * options.h (class General_options): Add --gdb-index option.
2160         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
2161         list and return type.
2162         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
2163         * reloc.h (Track_relocs::checkpoint): New function.
2164         (Track_relocs::reset): New function.
2165
2166         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
2167         New test cases.
2168         * testsuite/Makefile.in: Regenerate.
2169         * testsuite/gdb_index_test.cc: New test source file.
2170         * testsuite/gdb_index_test_1.sh: New test source file.
2171         * testsuite/gdb_index_test_2.sh: New test source file.
2172
2173 2012-03-19  Doug Kwan  <dougkwan@google.com>
2174
2175         * arm.cc (Target_arm::do_define_standard_symbols): New method.
2176         (Target_arm::do_finalize_sections): Remove code which defines
2177         __exidx_start and __exidx_end.  Make symbol table parameter
2178         anonymous as it is not used.
2179         * gold.cc (queue_middle_tasks): Call target hook to define any
2180         target-specific symbols.
2181         * target.h (Target::define_standard_symbols): New method.
2182         (Target::do_define_standard_symbols): Same.
2183         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
2184         * testsuite/Makefile.in: Regenerate.
2185         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
2186         and __exidx_end.
2187         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
2188         relocations are generated for __exidx_start and __exidx_end.
2189
2190 2012-03-16  Doug Kwan  <dougkwan@google.com>
2191
2192         * testsuite/Makefile.am: Disable test initpri3b.
2193         * testsuite/Makefile.in: Regenerate.
2194
2195 2012-03-15  Doug Kwan  <dougkwan@google.com>
2196
2197         * arm.cc (Target_arm::got_section): Make .got section read-only
2198         if -z now is given.
2199
2200 2012-03-15  Ian Lance Taylor  <iant@google.com>
2201
2202         PR gold/13850
2203         * layout.cc (Layout::make_output_section): Correctly mark
2204         SHT_INIT_ARRAY, et. al., as relro.
2205
2206 2012-03-14  Doug Kwan  <dougkwan@google.com>
2207
2208         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
2209         dynamic relocations for protected symbols in shared objects.
2210
2211 2012-03-13  Ian Lance Taylor  <iant@google.com>
2212
2213         * resolve.cc (Symbol_table::resolve): When merging common symbols,
2214         keep the larger alignment.
2215
2216 2012-03-12  Cary Coutant  <ccoutant@google.com>
2217
2218         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
2219         handling of DW_LNE_define_file.
2220
2221 2012-03-12  Cary Coutant  <ccoutant@google.com>
2222
2223         * reduced_debug_output.cc
2224         (Output_reduced_debug_info_section::get_die_end): Add new FORM
2225         codes to switch.
2226
2227 2012-02-29  Cary Coutant  <ccoutant@google.com>
2228
2229         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
2230
2231 2012-02-29  Cary Coutant  <ccoutant@google.com>
2232
2233         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2234         Call Object::decompressed_section_contents.
2235         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
2236         New dtor.
2237         (Sized_dwarf_line_info::buffer_start_): New data member.
2238         * merge.cc (Output_merge_data::do_add_input_section): Call
2239         Object::decompressed_section_contents.
2240         (Output_merge_string::do_add_input_section): Likewise.
2241         * object.cc (need_decompressed_section): New function.
2242         (build_compressed_section_map): Decompress sections needed later.
2243         (Sized_relobj_file::do_decompressed_section_contents): New function.
2244         (Sized_relobj_file::do_discard_decompressed_sections): New function.
2245         * object.h (Object::decompressed_section_contents): New function.
2246         (Object::discard_decompressed_sections): New function.
2247         (Object::do_decompressed_section_contents): New function.
2248         (Object::do_discard_decompressed_sections): New function.
2249         (Compressed_section_info): New type.
2250         (Compressed_section_map): Include decompressed section contents.
2251         (Sized_relobj_file::do_decompressed_section_contents): New function.
2252         (Sized_relobj_file::do_discard_decompressed_sections): New function.
2253
2254 2012-02-16  Cary Coutant  <ccoutant@google.com>
2255
2256         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
2257         * testsuite/Makefile.in: Regenerate.
2258
2259 2012-02-14  Cary Coutant  <ccoutant@google.com>
2260
2261         * options.cc (General_options::finalize): Disallow -pie and -static.
2262
2263 2012-02-03  Doug Kwan  <dougkwan@google.com>
2264
2265         * arm.cc (Arm_relocate_functions::abs8,
2266         Arm_relocate_functions::abs16): Use
2267         Bits::has_signed_unsigned_overflow32.
2268         (Arm_relocate_functions::thm_abs8): Correct range of
2269         overflow check.
2270         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
2271         in assertions.
2272
2273 2012-02-02  Doug Kwan  <dougkwan@google.com>
2274
2275         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
2276         position independent outputs, not just shared objects.
2277
2278 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
2279
2280         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
2281         * configure: Regenerated.
2282
2283 2012-01-27  Ian Lance Taylor  <iant@google.com>
2284
2285         * reloc.h (Bits): New class with static functions, copied from
2286         namespace utils in arm.cc.
2287         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
2288         instead.
2289
2290 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2291
2292         * incremental.cc (write_info_blocks): Correct relocation offset.
2293
2294 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2295
2296         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
2297         (Relocate::tls_gd_to_le): Likewise.
2298
2299 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2300
2301         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
2302
2303 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2304
2305         * configure.ac: Check if -mcmodel=medium works.
2306         * configure: Regenerated.
2307
2308 2012-01-24  Cary Coutant  <ccoutant@google.com>
2309
2310         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
2311         definition and ...
2312         (read_unsigned_LEB_128_x): ... this new function.
2313         (read_signed_LEB_128): Replaced with inline definition and ...
2314         (read_signed_LEB_128_x): ... this new function.
2315         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
2316         (read_unsigned_LEB_128): Add inline definition.
2317         (read_signed_LEB_128_x): New function.
2318         (read_signed_LEB_128): Add inline definition.
2319         * testsuite/Makefile.am (leb128_unittest): New unit test.
2320         * testsuite/Makefile.in: Regenerate.
2321         * testsuite/leb128_unittest.cc: New unit test.
2322
2323 2012-01-23  Ian Lance Taylor  <iant@google.com>
2324
2325         PR gold/13617
2326         * i386.cc (Target_i386::do_code_fill): When using a jmp
2327         instruction, pad with nop instructions.
2328         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
2329
2330 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2331
2332         * x86_64.cc (gc_process_relocs): Add typename on types used in
2333         template.
2334         (scan_relocs): Likewise.
2335         (relocate_section): Likewise.
2336         (apply_relocation): Likewise.
2337
2338 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
2339
2340         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
2341         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
2342         under x32.
2343
2344 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
2345
2346         * x86_64.cc: Initial support for x32.
2347
2348 2012-01-03  Cary Coutant  <ccoutant@google.com>
2349
2350         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
2351         Use abstract base class for GOT.
2352         * gold/output.h (class Output_data_got_base): New abstract base class.
2353         (class Output_data_got): Derive from new base class, adjust ctors.
2354         (Output_data_got::reserve_slot): Make virtual; rename to
2355         do_reserve_slot; Adjust callers.
2356         * gold/target.h (Sized_target::init_got_plt_for_update): Return
2357         pointer to abstract base class.
2358         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
2359
2360 2011-12-18  Ian Lance Taylor  <iant@google.com>
2361
2362         * object.h (Relobj::local_symbol_value): New function.
2363         (Relobj::local_plt_offset): New function.
2364         (Relobj::local_has_got_offset): New function.
2365         (Relobj::local_got_offset): New function.
2366         (Relobj::set_local_got_offset): New function.
2367         (Relobj::do_local_symbol_value): New pure virtual function.
2368         (Relobj::do_local_plt_offset): Likewise.
2369         (Relobj::do_local_has_got_offset): Likewise.
2370         (Relobj::do_local_got_offset): Likewise.
2371         (Relobj::do_set_local_got_offset): Likewise.
2372         (Sized_relobj::do_local_has_got_offset): Rename from
2373         local_has_got_offset.
2374         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
2375         (Sized_relobj::do_set_local_got_offset): Rename from
2376         set_local_got_offset.
2377         (Sized_relobj_file::do_local_plt_offset): Rename from
2378         local_plt_offset.
2379         (Sized_relobj_file::do_local_symbol_value): New function.
2380         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
2381         local_plt_offset.
2382         * output.cc (Output_data_got::Got_entry::write): Change object to
2383         Relobj.  Use local_symbol_value.
2384         (Output_data_got::add_global_with_rel): Change rel_dyn to
2385         Output_data_reloc_generic*.  Use add_global_generic.
2386         (Output_data_got::add_global_with_rela): Remove.  Change all
2387         callers to use add_global_with_rel.
2388         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
2389         Output_data_reloc_generic*.  Use add_global_generic.
2390         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
2391         callers to use add_global_pair_with_rel.
2392         (Output_data_got::add_local): Change object to Relobj*.
2393         (Output_data_got::add_local_plt): Likewise.
2394         (Output_data_got::add_local_with_rel): Change object to Relobj*,
2395         change rel_dyn to Output_data_reloc_generic*.  Use
2396         add_local_generic.
2397         (Output_data_got::add_local_with_rela): Remove.  Change all
2398         callers to use all_local_with_rel.
2399         (Output_data_got::add_local_pair_with_rel): Change object to
2400         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
2401         add_output_section_generic.
2402         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
2403         callers to use add_local_pair_with_rel.
2404         (Output_data_got::reserve_local): Change object to Relobj*.
2405         * output.h: (class Output_data_reloc_generic): Add pure virtual
2406         declarations for add_global_generic, add_local_generic,
2407         add_output_section_generic.
2408         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
2409         functions for Output_data_reloc_generic.  Update declarations for
2410         changes listed in output.cc.
2411         (class Output_data_got): Change template parameter to got_size.
2412         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
2413         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
2414         function.
2415         (Sized_relobj_incr::do_local_plt_offset): New function.
2416         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
2417         add_global_generic.
2418
2419 2011-12-17  Cary Coutant  <ccoutant@google.com>
2420
2421         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
2422         * resolve.cc (Symbol_table::resolve): Likewise.
2423         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
2424         arrays.
2425         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
2426
2427 2011-12-16  Ian Lance Taylor  <iant@google.com>
2428
2429         * output.h (Output_data_reloc_generic::add): Only call
2430         add_dynamic_reloc if this is a dynamic reloc section.
2431
2432 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
2433
2434         PR gold/13505
2435         * target-reloc.h (apply_relocation): Replace <64, false> with
2436         <size, big_endian>.
2437
2438 2011-11-25  Nick Clifton  <nickc@redhat.com>
2439
2440         * po/it.po: New Italian translation.
2441
2442 2011-11-17  Sterling Augustine  <saugustine@google.com>
2443
2444         * script.cc (script_include_directive): Implement.
2445         (read_script_file): New local variables name and search_path. Update
2446         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
2447         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
2448         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
2449
2450 2011-11-11  Sterling Augustine  <saugustine@google.com>
2451
2452         * yyscript.y (section_cmd): Add support for INCLUDE directive.
2453         (file_or_sections_cmd): Likewise.
2454
2455 2011-11-11  Doug Kwan  <dougkwan@google.com>
2456
2457         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
2458         if --just-symbols is given.
2459
2460 2011-11-10  Doug Kwan  <dougkwan@google.com>
2461
2462         PR gold/13362
2463         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
2464         when processing data relocs.
2465         * reloc.h (Relocate_functions::rel_unaligned): New method.
2466         (Relocate_functions::pcrel_unaligned): Ditto.
2467         (Relocate_functions::rel32_unaligned): Ditto.
2468         (Relocate_functions::pcrel32_unaligned): Ditto.
2469
2470 2011-11-09  Doug Kwan  <dougkwan@google.com>
2471
2472         PR gold/13362
2473         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
2474         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
2475         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
2476         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
2477         (Relocate_functions::rel_unaligned): New.
2478         (Relocate_functions::rel32_unaligned): New.
2479         * target-reloc.h (relocate_for_relocatable): Add code to handle
2480         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
2481         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
2482         arm_unaligned_reloc_r): New targets.
2483         * testsuite/Makefile.in: Regenerate.
2484         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
2485         linking.
2486
2487 2011-11-02  Ian Lance Taylor  <iant@google.com>
2488
2489         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
2490         NATIVE_LINKER.
2491         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
2492         * options.cc (General_options::finalize): Use library search path
2493         from configure script if specified.  If not native and no sysroot,
2494         only search TOOLLIBDIR.
2495         * options.h (Search_directory::Search_directory): Change name to
2496         const std::string&.
2497         (General_options::add_to_library_path_with_sysroot): Change arg to
2498         const std::string&.
2499         * configure, Makefile.in, config.in: Rebuild.
2500
2501 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2502
2503         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
2504         we are working around the ARM1176 Erratum.
2505         * options.h (General_options::fix_arm1176): Add option.
2506         * testsuite/Makefile.am: Add testcases, and keep current ones
2507         working.
2508         * testsuite/Makefile.in: Regenerate.
2509         * testsuite/arm_fix_1176.s: New file.
2510         * testsuite/arm_fix_1176.sh: Likewise.
2511
2512 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2513
2514         * arm.cc (Target_arm::Target_arm): Remove initialisation of
2515         may_use_blx_.
2516         (Target_arm::may_use_blx): Remove method.
2517         (Target_arm::set_may_use_blx): Likewise.
2518         (Target_arm::may_use_v4t_interworking): New method.
2519         (Target_arm::may_use_v5t_interworking): Likewise.
2520         (Target_arm::may_use_blx_): Remove member variable.
2521         (Arm_relocate_functions::arm_branch_common): Check for v5T
2522         interworking.
2523         (Arm_relocate_functions::thumb_branch_common): Likewise.
2524         (Reloc_stub::stub_type_for_reloc): Likewise.
2525         (Target_arm::do_finalize_sections): Correct interworking checks.
2526         * testsuite/Makefile.am: Add new tests.
2527         * testsuite/Makefile.in: Regenerate.
2528         * testsuite/arm_farcall_arm_arm.s: New test.
2529         * testsuite/arm_farcall_arm_arm.sh: Likewise.
2530         * testsuite/arm_farcall_arm_thumb.s: Likewise.
2531         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
2532         * testsuite/arm_farcall_thumb_arm.s: Likewise.
2533         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
2534         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
2535         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
2536
2537 2011-10-31  Cary Coutant  <ccoutant@google.com>
2538
2539         PR gold/13023
2540         * expression.cc (Expression::eval_with_dot): Add
2541         is_section_dot_assignment parameter.
2542         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
2543         absolute and assigning to dot within a section.
2544         * script-sections.cc
2545         (Output_section_element_assignment::set_section_addresses): Pass
2546         dot_section to set_if_absolute.
2547         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
2548         as is_section_dot_assignment flag to eval_with_dot.
2549         (Output_section_element_dot_assignment::set_section_addresses):
2550         Likewise.
2551         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
2552         parameter.  Also set value if relative to dot_section; set the
2553         symbol's output_section.
2554         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
2555         parameter.  Adjust all callers.
2556         (Expression::eval_maybe_dot): Likewise.
2557         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
2558         Adjust all callers.
2559         * testsuite/script_test_2.t: Test assignment of an absolute value
2560         to dot within an output section element.
2561
2562 2011-10-31  Cary Coutant  <ccoutant@google.com>
2563
2564         * options.h (class General_options): Add --[no-]gnu-unique options.
2565         * symtab.cc (Symbol_table::sized_write_globals): Convert
2566         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
2567
2568 2011-10-31  Cary Coutant  <ccoutant@google.com>
2569
2570         PR gold/13359
2571         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
2572         unnecessary assertion.
2573         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
2574
2575 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
2576
2577         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
2578         gc_mark_symbol.
2579         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
2580         gc_mark_symbol.
2581         Change to just keep the section associated with symbol.
2582         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
2583         they are externally visible and --export-dynamic is turned on.
2584         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
2585
2586 2011-10-19  Ian Lance Taylor  <iant@google.com>
2587
2588         PR gold/13163
2589         * script-sections.cc
2590         (Output_section_element_dot_assignment::needs_output_section): New
2591         function.
2592
2593 2011-10-19  Ian Lance Taylor  <iant@google.com>
2594
2595         PR gold/13204
2596         * layout.cc (Layout::segment_precedes): Don't assert failure if a
2597         --section-start option was seen.
2598         * options.h (General_options::any_section_start): New function.
2599
2600 2011-10-18  David S. Miller  <davem@davemloft.net>
2601
2602         PR binutils/13301
2603         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
2604         member to track relocation locations that have moved during TLS
2605         reloc optimizations.
2606         (Target_sparc::Relocate::Relocate): Initialize to NULL.
2607         (Target_sparc::Relocate::relocate): Adjust view down by 4
2608         bytes if it matches reloc_adjust_addr_.
2609         (Target_sparc::Relocate::relocate_tls): Always move the
2610         __tls_get_addr call delay slot instruction forward 4 bytes when
2611         performing relaxation.
2612
2613 2011-10-18  Cary Coutant  <ccoutant@google.com>
2614
2615         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
2616         (Output_file::map_no_anonymous): Check for non-zero
2617         return code from posix_fallocate.
2618
2619 2011-10-17  Cary Coutant  <ccoutant@google.com>
2620
2621         PR gold/13245
2622         * plugin.cc (is_visible_from_outside): Check for symbols
2623         referenced from dynamic objects.
2624         * resolve.cc (Symbol_table::resolve): Don't count references
2625         from dynamic objects as references from real ELF files.
2626         * testsuite/plugin_test_2.sh: Adjust expected result.
2627
2628 2011-10-17  Cary Coutant  <ccoutant@google.com>
2629
2630         * gold.cc: Include timer.h.
2631         (queue_middle_tasks): Stamp time.
2632         (queue_final_tasks): Likewise.
2633         * main.cc (main): Store timer in parameters.  Print timers
2634         for each pass.
2635         * parameters.cc (Parameters::Parameters): Initialize timer_.
2636         (Parameters::set_timer): New function.
2637         (set_parameters_timer): New function.
2638         * parameters.h (Parameters::set_timer): New function.
2639         (Parameters::timer): New function.
2640         (Parameters::timer_): New data member.
2641         (set_parameters_timer): New function.
2642         * timer.cc (Timer::stamp): New function.
2643         (Timer::get_pass_time): New function.
2644         * timer.h (Timer::stamp): New function.
2645         (Timer::get_pass_time): New function.
2646         (Timer::pass_times_): New data member.
2647
2648 2011-10-17  Cary Coutant  <ccoutant@google.com>
2649
2650         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
2651         task for members of lib groups.
2652
2653 2011-10-17  Cary Coutant  <ccoutant@google.com>
2654
2655         PR gold/13288
2656         * fileread.cc (File_read::find_view): Add assert.
2657         (File_read::make_view): Move bounds check (replace with assert)...
2658         (File_read::find_or_make_view): ... to here.
2659
2660 2011-10-12  Cary Coutant  <ccoutant@google.com>
2661
2662         * output.cc (Output_file::open_base_file): Handle case where
2663         ::read returns less than requested size.
2664
2665 2011-10-10  Cary Coutant  <ccoutant@google.com>
2666
2667         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
2668         Initialize defined_count_.
2669         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
2670         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
2671         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
2672         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
2673         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
2674         * incremental.h (Sized_relobj_incr::defined_count_): New data
2675         member.
2676         (Sized_incr_dynobj::defined_count_): New data member.
2677         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
2678         Return zeroes instead of internal error.
2679
2680 2011-10-10  Cary Coutant  <ccoutant@google.com>
2681
2682         PR gold/13249
2683         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
2684         (Output_reloc::symbol_value): Return PLT offset if flag is set.
2685         * output.h (class Output_reloc): Add use_plt_offset flag.
2686         (Output_reloc::type_): Adjust size of bit field.
2687         (Output_reloc::use_plt_offset_): New bit field.
2688         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
2689         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
2690         flag.  Adjust all callers.
2691         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
2692         creating RELATIVE relocations.
2693
2694 2011-10-10  Nick Clifton  <nickc@redhat.com>
2695
2696         * po/es.po: Updated Spanish translation.
2697         * po/fi.po: Updated Finnish translation.
2698
2699 2011-10-03   Diego Novillo  <dnovillo@google.com>
2700
2701         * options.cc (parse_uint): Fix dereference of RETVAL.
2702
2703 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
2704
2705         * layout.h (section_order_map_): New member.
2706         (get_section_order_map): New member function.
2707         * output.cc (Output_section::add_input_section): Check for patterns
2708         only when --section-ordering-file is specified.
2709         * gold.cc (queue_middle_tasks): Delay updating order of sections till
2710         output_sections have been formed.
2711         * layout.cc (Layout_Layout): Initialize section_order_map_.
2712         * plugin.cc (update_section_order): Store order in order_map. Do not
2713         update the order.
2714         * testsuite/Makefile.am: Add test case for plugin_final_layout.
2715         * testsuite/Makefile.in: Regenerate.
2716         * testsuite/plugin_section_order.c: New file.
2717         * testsuite/plugin_final_layout.cc: New file.
2718         * testsuite/plugin_final_layout.sh: New file.
2719
2720 2011-09-29  Cary Coutant  <ccoutant@google.com>
2721
2722         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2723         Check for NULL.
2724         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
2725         symbols during incremental update.
2726         (Symbol_table::add_from_dynobj): Likewise.
2727
2728 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2729             Ian Lance Taylor  <iant@google.com>
2730
2731         * symtab.cc (Symbol_table::define_special_symbol): Always
2732         canonicalize version string.
2733
2734 2011-09-26  Cary Coutant  <ccoutant@google.com>
2735
2736         * gold.cc (queue_initial_tasks): Move option checks ...
2737         * options.cc (General_options::finalize): ... to here. Disable
2738         some options; make others fatal.
2739
2740 2011-09-26  Cary Coutant  <ccoutant@google.com>
2741
2742         gcc PR lto/47247
2743         * plugin.cc (get_symbols_v2): New function.
2744         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
2745         (is_referenced_from_outside): New function.
2746         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
2747         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
2748         (get_symbols): Pass version parameter.
2749         (get_symbols_v2): New function.
2750         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
2751         parameter.
2752         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
2753         (onload): Add LDPT_GET_SYMBOLS_V2.
2754         (all_symbols_read_hook): Use get_symbols_v2; check for
2755         LDPR_PREVAILING_DEF_IRONLY_EXP.
2756         * testsuite/plugin_test_3.sh: Update expected results.
2757
2758 2011-09-23  Simon Baldwin  <simonb@google.com>
2759
2760         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
2761         configuration options.
2762         * configure: Regenerate.
2763         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
2764         * Makefile.in: Regenerate.
2765         * testsuite/Makefile.in: Regenerate.
2766
2767 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
2768
2769         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
2770
2771 2011-09-19  Cary Coutant  <ccoutant@google.com>
2772
2773         * incremental.cc (can_incremental_update): Fix typo in comment.
2774         * incremental.h (can_incremental_update): Likewise.
2775
2776 2011-09-18  Cary Coutant  <ccoutant@google.com>
2777
2778         * incremental.cc (can_incremental_update): New function.
2779         * incremental.h (can_incremental_update): New function.
2780         * layout.cc (Layout::init_fixed_output_section): Call it.
2781         (Layout::make_output_section): Don't allow patch space in .eh_frame.
2782         * object.cc (Sized_relobj_file::do_layout): Call
2783         can_incremental_update.
2784
2785 2011-09-13  Cary Coutant  <ccoutant@google.com>
2786
2787         * configure.ac: Check for glibc support for gnu_indirect_function
2788         support with static linking, setting automake conditional
2789         IFUNC_STATIC.
2790         * Makefile.in: Regenerate.
2791         * configure: Regenerate.
2792
2793         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
2794         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
2795         for IFUNC_STATIC.
2796         * testsuite/Makefile.in: Regenerate.
2797
2798 2011-09-13  Cary Coutant  <ccoutant@google.com>
2799
2800         * incremental.cc (Sized_relobj_incr::do_layout): Call
2801         report_comdat_group for kept comdat sections.
2802         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
2803         * testsuite/Makefile.in: Regenerate.
2804         * testsuite/incr_comdat_test_1.cc: New source file.
2805         * testsuite/incr_comdat_test_2_v1.cc: New source file.
2806         * testsuite/incr_comdat_test_2_v2.cc: New source file.
2807         * testsuite/incr_comdat_test_2_v3.cc: New source file.
2808
2809 2011-09-13  Ian Lance Taylor  <iant@google.com>
2810
2811         * object.cc (Sized_relobj_file::do_layout): Remove unused local
2812         variable external_symbols_offset.
2813
2814 2011-09-12  Ian Lance Taylor  <iant@google.com>
2815
2816         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
2817         triggered if object has no symbols.
2818
2819 2011-09-09  David S. Miller  <davem@davemloft.net>
2820
2821         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
2822         (Output_fill_debug_line::do_write): Likewise.
2823
2824 2011-08-29  Cary Coutant  <ccoutant@google.com>
2825
2826         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
2827         casts to match formatting specs.
2828         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
2829
2830 2011-08-26  Cary Coutant  <ccoutant@google.com>
2831
2832         * layout.cc (Free_list::allocate): Provide guarantee of minimum
2833         remaining hole size when allocating.
2834         (Layout::make_output_section): Set fill methods for debug sections.
2835         * layout.h (Free_list::Free_list_node): Move from private to
2836         public.
2837         (Free_list::set_min_hole_size): New function.
2838         (Free_list::begin, Free_list::end): New functions.
2839         (Free_list::min_hole_): New data member.
2840         * output.cc: Include dwarf.h.
2841         (Output_fill_debug_info::do_minimum_hole_size): New function.
2842         (Output_fill_debug_info::do_write): New function.
2843         (Output_fill_debug_line::do_minimum_hole_size): New function.
2844         (Output_fill_debug_line::do_write): New function.
2845         (Output_section::Output_section): Initialize new data member.
2846         (Output_section::set_final_data_size): Ensure patch space is larger
2847         than minimum hole size.
2848         (Output_section::do_write): Fill holes in debug sections.
2849         * output.h (Output_fill): New class.
2850         (Output_fill_debug_info): New class.
2851         (Output_fill_debug_line): New class.
2852         (Output_section::set_free_space_fill): New function.
2853         (Output_section::free_space_fill_): New data member.
2854         * testsuite/Makefile.am (incremental_test_3): Add
2855         --incremental-patch option.
2856         (incremental_test_4): Likewise.
2857         (incremental_test_5): Likewise.
2858         (incremental_test_6): Likewise.
2859         (incremental_copy_test): Likewise.
2860         (incremental_common_test_1): Likewise.
2861         * testsuite/Makefile.in: Regenerate.
2862
2863 2011-08-26  Nick Clifton  <nickc@redhat.com>
2864
2865         * po/es.po: Updated Spanish translation.
2866
2867 2011-08-01  Cary Coutant  <ccoutant@google.com>
2868
2869         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
2870         * gold/testsuite/Makefile.in: Regenerate.
2871         * gold/testsuite/justsyms_exec.c: New source file.
2872         * gold/testsuite/justsyms_lib.c: New source file.
2873
2874 2011-08-01  Cary Coutant  <ccoutant@google.com>
2875
2876         * layout.cc (Layout::set_segment_offsets): Don't realign text
2877         segment if -Ttext was specified.
2878         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
2879         file type.
2880         * object.h (Sized_relobj_file::e_type): New function.
2881         (Sized_relobj_file::e_type_): New data member.
2882         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
2883         base address for ET_EXEC files.
2884         * target.cc (Target::do_make_elf_object_implementation): Allow
2885         ET_EXEC files with --just-symbols option.
2886
2887 2011-07-28  Cary Coutant  <ccoutant@google.com>
2888
2889         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
2890         Add thread_number parameter.
2891         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
2892         * workqueue-threads.cc
2893         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
2894         current thread if its thread number is greater than desired thread
2895         count.
2896         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
2897         Add thread_number parameter.
2898         (Workqueue::should_cancel_thread): Likewise.
2899         (Workqueue::find_runnable_or_wait): Pass thread_number to
2900         should_cancel_thread.
2901         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
2902         parameter.
2903
2904 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
2905
2906         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
2907         only after checking if it cannot be forced local.
2908         * symtab.h (is_externally_visible): Check if the symbol is not forced
2909         local.
2910
2911 2011-07-15  Ian Lance Taylor  <iant@google.com>
2912
2913         * options.h (class General_options): Add --print-output-format.
2914         Move -EL next to -EB, for  better --help output.
2915         * target-select.cc: Include <cstdio>, "options.h", and
2916         "parameters.h".
2917         (Target_selector::do_target_bfd_name): New function.
2918         (print_output_format): New function.
2919         * target-select.h (class Target_selector): Update declarations.
2920         (Target_selector::target_bfd_name): New function.
2921         (print_output_format): Declare.
2922         * main.cc: Include "target-select.h".
2923         (main): Handle --print-output-format.
2924         * gold.cc: Include "target-select.h".
2925         (queue_initial_tasks): Handle --print-output-format when there are
2926         no input files.
2927         * parameters.cc (parameters_force_valid_target): Give a better
2928         error message if -EB/-EL does not match target.
2929         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
2930         function.
2931
2932 2011-07-15  Ian Lance Taylor  <iant@google.com>
2933
2934         * i386.cc (class Output_data_plt_i386): Add layout_ field.
2935         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
2936         (Output_data_plt_i386::do_write): Write address of .dynamic
2937         section to first entry in .got.plt section.
2938         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
2939         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2940         Initialize layout_.
2941         (Output_data_plt_x86_64::do_write): Write address of .dynamic
2942         section to first entry in .got.plt section.
2943         * layout.h (Layout::dynamic_section): New function.
2944
2945 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
2946
2947         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
2948         to claim_file call.
2949         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
2950         input_section_position_, and input_section_glob_.
2951         (read_layout_from_file): Call function section_ordering_specified.
2952         * layout.h (is_section_ordering_specified): New function.
2953         (section_ordering_specified): New function.
2954         (section_ordering_specified_): New boolean member.
2955         * main.cc(main): Call load_plugins after layout object is defined.
2956         * output.cc (Output_section::add_input_section): Use
2957         function section_ordering_specified to check if section ordering is
2958         needed.
2959         * output.cc (Output_section::add_relaxed_input_section): Use
2960         function section_ordering_specified to check if section ordering is
2961         needed.
2962         (Output_section::update_section_layout): New function.
2963         (Output_section::sort_attached_input_sections): Check if input section
2964         must be reordered.
2965         * output.h (Output_section::update_section_layout): New function.
2966         * plugin.cc (get_section_count): New function.
2967         (get_section_type): New function.
2968         (get_section_name): New function.
2969         (get_section_contents): New function.
2970         (update_section_order): New function.
2971         (allow_section_ordering): New function.
2972         (Plugin::load): Add the new interfaces to the transfer vector.
2973         (Plugin_manager::load_plugins): New parameter.
2974         (Plugin_manager::all_symbols_read): New parameter.
2975         (Plugin_manager::claim_file): New parameter. Save the elf object for
2976         unclaimed objects.
2977         (Plugin_manager::get_elf_object): New function.
2978         (Plugin_manager::get_view): Change to directly use the bool to check
2979         if get_view is called from claim_file_hook.
2980         * plugin.h (input_objects): New function
2981         (Plugin__manager::load_plugins): New parameter.
2982         (Plugin_manager::claim_file): New parameter.
2983         (Plugin_manager::get_elf_object): New function.
2984         (Plugin_manager::in_claim_file_handler): New function.
2985         (Plugin_manager::in_claim_file_handler_): New member.
2986         (layout): New function.
2987         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
2988         handler with an extra parameter. Make the elf object before calling
2989         claim_file handler.
2990         * testsuite/plugin_test.c (get_section_count): New function pointer.
2991         (get_section_type): New function pointer.
2992         (get_section_name): New function pointer.
2993         (get_section_contents): New function pointer.
2994         (update_section_order): New function pointer.
2995         (allow_section_ordering): New function pointer.
2996         (onload): Check if the new interfaces exist.
2997
2998 2011-07-13  Ian Lance Taylor  <iant@google.com>
2999
3000         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
3001         relro section.
3002         * x86_64.cc (Target_x86_64::got_section): Likewise.
3003         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
3004         (relro_now_test_SOURCES): New variable.
3005         (relro_now_test_DEPENDENCIES): New variable.
3006         (relro_now_test_LDFLAGS): New variable.
3007         (relro_now_test_LDADD): New variable.
3008         (relro_now_test.so): New target.
3009         * testsuite/Makefile.in: Rebuild.
3010
3011 2011-07-12  Ian Lance Taylor  <iant@google.com>
3012
3013         PR gold/12980
3014         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
3015         GLOB_DAT relocation rather than a RELATIVE relocation for a
3016         protected symbol when creating a shared library.
3017         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
3018         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
3019         * testsuite/protected_main_1.cc (main): Test that protected
3020         function has same address.
3021
3022 2011-07-11  Ian Lance Taylor  <iant@google.com>
3023
3024         PR gold/12979
3025         * options.h (class General_options): Add -Bgroup.
3026         * options.cc (General_options::finalize): If -Bgroup is set,
3027         default to --unresolved-symbols=report-all.
3028         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
3029         * target-reloc.h (issue_undefined_symbol_error): Handle
3030         --unresolved-symbols=report-all.
3031
3032 2011-07-08  Ian Lance Taylor  <iant@google.com>
3033
3034         PR gold/11985
3035         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
3036         if linker script discards key sections.
3037         (Layout::create_dynamic_symtab): Likewise.
3038         (Layout::assign_local_dynsym_offsets): Likewise.
3039         (Layout::sized_create_version_sections): Likewise.
3040         (Layout::create_interp): Likewise.
3041         (Layout::finish_dynamic_section): Likewise.
3042         (Layout::set_dynamic_symbol_size): Likewise.
3043
3044 2011-07-08  Ian Lance Taylor  <iant@google.com>
3045
3046         PR gold/12386
3047         * options.h (class General_options): Add --unresolved-symbols.
3048         * target-reloc.h (issue_undefined_symbol_error): Check
3049         --unresolved-symbols.  Add comments.
3050
3051 2011-07-08  Ian Lance Taylor  <iant@google.com>
3052
3053         * testsuite/odr_violation2.cc (Ordering::operator()): Make
3054         expression more complex.
3055
3056 2011-07-08  Ian Lance Taylor  <iant@google.com>
3057
3058         PR gold/11317
3059         * target-reloc.h (issue_undefined_symbol_error): New inline
3060         function, broken out of relocate_section.
3061         (relocate_section): Call issue_undefined_symbol_error.
3062         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
3063         there is no TLS segment if we are about to issue an undefined
3064         symbol error.
3065         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
3066
3067 2011-07-08  Ian Lance Taylor  <iant@google.com>
3068
3069         PR gold/12279
3070         * resolve.cc (Symbol_table::should_override): Add fromtype
3071         parameter.  Change all callers.  Give error when linking together
3072         TLS and non-TLS symbol.
3073         (Symbol_table::should_override_with_special): Add fromtype
3074         parameter.  Change all callers.
3075         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
3076         there is no TLS segment if we have reported some errors.
3077         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
3078
3079 2011-07-08  Ian Lance Taylor  <iant@google.com>
3080
3081         PR gold/12372
3082         * target.h (Target::plt_address_for_global): New function.
3083         (Target::plt_address_for_local): New function.
3084         (Target::plt_section_for_global): Remove.
3085         (Target::plt_section_for_local): Remove.
3086         (Target::do_plt_address_for_global): New virtual function.
3087         (Target::do_plt_address_for_local): New virtual function.
3088         (Target::do_plt_section_for_global): Remove.
3089         (Target::do_plt_section_for_local): Remove.
3090         (Target::register_global_plt_entry): Add Symbol_table and Layout
3091         parameters.
3092         * output.cc (Output_data_got::Got_entry::write): Use
3093         plt_address_for_global and plt_address_for_local.
3094         * layout.cc (Layout::add_target_dynamic_tags): Use size and
3095         address of output section.
3096         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
3097         got_irelative_, and irelative_count_ fields.  Update
3098         declarations.
3099         (Output_data_plt_i386::has_irelative_section): New function.
3100         (Output_data_plt_i386::entry_count): Add irelative_count_.
3101         (Output_data_plt_i386::set_final_data_size): Likewise.
3102         (class Target_i386): Add got_irelative_ and rel_irelative_
3103         fields.  Update declarations.
3104         (Target_i386::Target_i386): Initialize new fields.
3105         (Target_i386::do_plt_address_for_global): New function replacing
3106         do_plt_section_for_global.
3107         (Target_i386::do_plt_address_for_local): New function replacing
3108         do_plt_section_for_local.
3109         (Target_i386::got_section): Create got_irelative_.
3110         (Target_i386::rel_irelative_section): New function.
3111         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
3112         fields.  Don't define __rel_iplt_{start,end}.
3113         (Output_data_plt_i386::add_entry): Add symtab and layout
3114         parameters.  Change all callers.  Use different PLT and GOT for
3115         IFUNC symbols.
3116         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
3117         layout parameters.  Change all callers.  Use different PLT and
3118         GOT.
3119         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
3120         (Output_data_plt_i386::rel_irelative): New function.
3121         (Output_data_plt_i386::address_for_global): New function.
3122         (Output_data_plt_i386::address_for_local): New function.
3123         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
3124         IRELATIVE GOT when changing IFUNC GOT entries.
3125         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
3126         reloc.
3127         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
3128         if we didn't create an IRELATIVE GOT.
3129         (Target_i386::Relocate::relocate): Use plt_address_for_global and
3130         plt_address_for_local.
3131         (Target_i386::do_dynsym_value): Use plt_address_for_global.
3132         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
3133         got_irelative_, and irelative_count_ fields.  Update
3134         declarations.
3135         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
3136         Initialize new fields.  Remove symtab parameter.  Change all
3137         callers.
3138         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
3139         irelative_count_.
3140         (Output_data_plt_x86_64::has_irelative_section): New function.
3141         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
3142         (class Target_x86_64): Add got_irelative_ and rel_irelative_
3143         fields.  Update declarations.
3144         (Target_x86_64::Target_x86_64): Initialize new fields.
3145         (Target_x86_64::do_plt_address_for_global): New function replacing
3146         do_plt_section_for_global.
3147         (Target_x86_64::do_plt_address_for_local): New function replacing
3148         do_plt_section_for_local.
3149         (Target_x86_64::got_section): Create got_irelative_.
3150         (Target_x86_64::rela_irelative_section): New function.
3151         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
3152         all callers.  Don't create __rel_iplt_{start,end}.
3153         (Output_data_plt_x86_64::add_entry): Add symtab and layout
3154         parameters.  Change all callers.  Use different PLT and GOT for
3155         IFUNC symbols.
3156         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
3157         layout parameters.  Change all callers.  Use different PLT and
3158         GOT.
3159         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
3160         parameters.  Change all callers.  Use different PLT and GOT for
3161         IFUNC symbols.
3162         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
3163         (Output_data_plt_x86_64::rela_irelative): New function.
3164         (Output_data_plt_x86_64::address_for_global): New function.
3165         (Output_data_plt_x86_64::address_for_local): New function.
3166         (Output_data_plt_x86_64::set_final_data_size): Likewise.
3167         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
3168         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
3169         (Target_x86_64::register_global_plt_entry): Add symtab and layout
3170         parameters.
3171         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
3172         reloc.
3173         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
3174         symbols if we didn't create an IRELATIVE GOT.
3175         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
3176         plt_address_for_local.
3177         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
3178         * testsuite/ifuncvar1.c: New test file.
3179         * testsuite/ifuncvar2.c: New test file.
3180         * testsuite/ifuncvar3.c: New test file.
3181         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
3182         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
3183         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
3184         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
3185         * testsuite/Makefile.in: Rebuild.
3186
3187 2011-07-07  Cary Coutant  <ccoutant@google.com>
3188
3189         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
3190         (two_file_test_1_ndebug.o): Likewise.
3191         (two_file_test_1b_ndebug.o): Likewise.
3192         (two_file_test_2_ndebug.o): Likewise.
3193         (two_file_test_main_ndebug.o): Likewise.
3194         (incremental_test_2): Link with no-debug versions.
3195
3196 2011-07-06  Cary Coutant  <ccoutant@google.com>
3197
3198         * gold/incremental.cc
3199         (Output_section_incremental_inputs::write_info_blocks): Check for
3200         hidden and internal symbols.
3201
3202 2011-07-06  Cary Coutant  <ccoutant@google.com>
3203
3204         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
3205         Check disposition for startup file.
3206         (Incremental_inputs::report_command_line): Ignore
3207         --incremental-startup-unchanged option.
3208         * options.cc (General_options::parse_incremental_startup_unchanged):
3209         New function.
3210         (General_options::General_options): Initialize new data member.
3211         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
3212         (General_options): Add --incremental-startup-unchanged option.
3213         (General_options::incremental_startup_disposition): New function.
3214         (General_options::incremental_startup_disposition_): New data member.
3215
3216 2011-07-06  Cary Coutant  <ccoutant@google.com>
3217
3218         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
3219         input file index to Script_info ctor.
3220         (Sized_incremental_binary::do_file_has_changed): Find the
3221         command-line argument for files named in scripts.
3222         * incremental.h (Script_info::Script_info): New ctor
3223         with input file index.
3224         (Script_info::input_file_index): New function.
3225         (Script_info::input_file_index_): New data member.
3226         (Incremental_binary::get_library): Add const.
3227         (Incremental_binary::get_script_info): Add const.
3228         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
3229         * testsuite/Makefile.am (incremental_test_5): New test case.
3230         (incremental_test_6): New test case.
3231         * testsuite/Makefile.in: Regenerate.
3232
3233 2011-07-06  Cary Coutant  <ccoutant@google.com>
3234
3235         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
3236         debug output when command lines differ.
3237
3238 2011-07-06  Cary Coutant  <ccoutant@google.com>
3239
3240         * incremental.cc (Incremental_inputs::report_command_line): Ignore
3241         --incremental-patch option.
3242         * layout.cc (Free_list::allocate): Extend allocation beyond original
3243         end if enabled.
3244         (Layout::make_output_section): Mark sections that should get
3245         patch space.
3246         * options.cc (parse_percent): New function.
3247         * options.h (parse_percent): New function.
3248         (DEFINE_percent): New macro.
3249         (General_options): Add --incremental-patch option.
3250         * output.cc (Output_section::Output_section): Initialize new data
3251         members.
3252         (Output_section::add_input_section): Print section name when out
3253         of patch space.
3254         (Output_section::add_output_section_data): Likewise.
3255         (Output_section::set_final_data_size): Add patch space when
3256         doing --incremental-full.
3257         (Output_section::do_reset_address_and_file_offset): Remove patch
3258         space.
3259         (Output_segment::set_section_list_addresses): Print debug output
3260         only if --incremental-update.
3261         * output.h (Output_section::set_is_patch_space_allowed): New function.
3262         (Output_section::is_patch_space_allowed_): New data member.
3263         (Output_section::patch_space_): New data member.
3264         * parameters.cc (Parameters::incremental_full): New function.
3265         * parameters.h (Parameters::incremental_full): New function
3266         * testsuite/Makefile.am (incremental_test_2): Add test for
3267         --incremental-patch option.
3268         * testsuite/Makefile.in: Regenerate.
3269         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
3270         (t18): Remove function body.
3271
3272 2011-07-05  Doug Kwan  <dougkwan@google.com>
3273
3274         PR gold/12771
3275         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
3276         Arm_Address type for relocation result.
3277         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
3278         overflow check.
3279         (Arm_relocate_functions::abs32): Use unaligned access.
3280         (Arm_relocate_functions::rel32): Ditto.
3281         (Arm_relocate_functions::prel31): Ditto.
3282         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
3283         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
3284         static data relocations.
3285         * testsuite/Makefile.in: Regnerate.
3286         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
3287
3288 2011-07-05  Ian Lance Taylor  <iant@google.com>
3289
3290         PR gold/12392
3291         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
3292         symbols if necessary.
3293         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3294
3295 2011-07-05  Ian Lance Taylor  <iant@google.com>
3296
3297         PR gold/12952
3298         * resolve.cc (Symbol::override_base_with_special): Simply override
3299         version with special symbol version, ignoring previous version.
3300
3301 2011-07-05  Ian Lance Taylor  <iant@google.com>
3302
3303         * object.cc (Sized_relobj_file::include_section_group): Add
3304         information to comment about signature location.
3305
3306 2011-07-02  Ian Lance Taylor  <iant@google.com>
3307
3308         PR gold/12957
3309         * options.h (class General_options): Add -f and -F.
3310         * options.cc (General_options::finalize): Fatal error if -f/-F
3311         are used without -shared.
3312         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
3313
3314 2011-07-02  Ian Lance Taylor  <iant@google.com>
3315
3316         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
3317
3318 2011-07-01  Ian Lance Taylor  <iant@google.com>
3319
3320         PR gold/12525
3321         PR gold/12952
3322         * resolve.cc (Symbol::override_base_with_special): Don't override
3323         the version if the overriding symbol has a different name.
3324         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
3325         all callers.  If we give an error about an undefined version,
3326         define the base version if necessary.
3327         * dynobj.h (class Versions): Update declaration.
3328         * testsuite/weak_alias_test_5.cc: New file.
3329         * testsuite/weak_alias_test.script: New file.
3330         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
3331         and versioned_alias have the right value, and call t2.
3332         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
3333         weak_alias_test_5.so.
3334         (weak_alias_test_LDADD): Likewise.
3335         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
3336         * testsuite/Makefile.in: Rebuild.
3337
3338 2011-07-01  Ian Lance Taylor  <iant@google.com>
3339
3340         PR gold/12525
3341         * options.h (class General_options): Support -z notext.
3342         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
3343         -Wl,-z,notext.
3344         (two_file_shared_nonpic.so): Likewise.
3345         (two_file_shared_mixed.so): Likewise.
3346         (two_file_shared_mixed_1.so): Likewise.
3347         (weak_undef_lib_nonpic.so): Likewise.
3348         (alt/weak_undef_lib_nonpic.so): Likewise.
3349         (tls_test_shared_nonpic.so): Likewise.
3350         * testsuite/Makefile.in: Rebuild.
3351
3352 2011-07-01  Ian Lance Taylor  <iant@google.com>
3353
3354         PR gold/12525
3355         * configure.ac: Test whether static linking works, setting
3356         the automake conditional HAVE_STATIC.
3357         * testsuite/Makefile.am: Disable tests using -static if
3358         HAVE_STATIC is not true.
3359         * configure, testsuite/Makefile.in: Rebuild.
3360
3361 2011-07-01  Ian Lance Taylor  <iant@google.com>
3362
3363         PR gold/12525
3364         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
3365         Assert if we see DW_EH_PE_indirect.
3366         * target.h (Target::ehframe_datarel_base): New function.
3367         (Target::do_ehframe_datarel_base): New target function.
3368         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
3369         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
3370         function.
3371
3372 2011-07-01  Ian Lance Taylor  <iant@google.com>
3373
3374         PR gold/12571
3375         * options.h (class General_options): Add
3376         --ld-generated-unwind-info.
3377         * ehframe.cc (Fde::write): Add address parameter.  Change all
3378         callers.  If associated with PLT, fill in address and size.
3379         (Cie::set_output_offset): Only add merge mapping if there is an
3380         object.
3381         (Cie::write): Add address parameter.  Change all callers.
3382         (Eh_frame::add_ehframe_for_plt): New function.
3383         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
3384         input_offset_ fields into union u_, with new plt field.
3385         (Fde::Fde): Adjust for new union field.
3386         (Fde::Fde) [Output_data version]: New constructor.
3387         (Fde::add_mapping): Only add merge mapping if there is an object.
3388         (class Cie): Update declarations.
3389         (class Eh_frame): Declare add_ehframe_for_plt.
3390         * layout.cc (Layout::layout_eh_frame): Break out code into
3391         make_eh_frame_section, and call it.
3392         (Layout::make_eh_frame_section): New function.
3393         (Layout::add_eh_frame_for_plt): New function.
3394         * layout.h (class Layout): Update declarations.
3395         * merge.cc (Merge_map::add_mapping): Add assertion.
3396         * i386.cc: Include "dwarf.h".
3397         (class Output_data_plt_i386): Make first_plt_entry,
3398         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
3399         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
3400         and plt_eh_frame_fde.
3401         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
3402         boundary.  Call add_eh_frame_for_plt if appropriate.
3403         * x86_64.cc: Include "dwarf.h".
3404         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
3405         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
3406         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
3407         and plt_eh_frame_fde.
3408         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
3409         appropriate.
3410
3411 2011-06-29  Ian Lance Taylor  <iant@google.com>
3412
3413         PR gold/12629
3414         * object.cc (Sized_relobj_file::layout_section): Change shdr
3415         parameter to be const.
3416         (Sized_relobj_file::layout_eh_frame_section): New function, broken
3417         out of do_layout.
3418         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
3419         appropriate.  Call layout_eh_frame_section.
3420         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
3421         sections.
3422         * object.h (class Sized_relobj_file): Update declarations.
3423
3424 2011-06-29  Ian Lance Taylor  <iant@google.com>
3425
3426         PR gold/12652
3427         * script.cc (Token::integer_value): Accept trailing M/m/K/k
3428         modifier.
3429         (Lex::gather_token): Accept trailing M/m/K/k for integers.
3430
3431 2011-06-29  Ian Lance Taylor  <iant@google.com>
3432
3433         PR gold/12675
3434         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
3435         SHT_X86_64_UNWIND.
3436         * layout.cc (Layout::layout_eh_frame): Likewise.
3437
3438 2011-06-29  Ian Lance Taylor  <iant@google.com>
3439
3440         PR gold/12695
3441         * layout.cc (Layout::symtab_section_shndx): New function.
3442         * layout.h (class Layout): Declare symtab_section_shndx.
3443         * output.cc (Output_section::write_header): Call it.
3444
3445 2011-06-29  Ian Lance Taylor  <iant@google.com>
3446
3447         PR gold/12818
3448         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
3449         symbols which are not used in a relocation.
3450
3451 2011-06-28  Ian Lance Taylor  <iant@google.com>
3452
3453         PR gold/12898
3454         * layout.cc (Layout::segment_precedes): Don't crash if a linker
3455         script create indistinguishable segments.
3456         (Layout::set_segment_offsets): Use stable_sort when sorting
3457         segments.  Pass this to Compare_segments constructor.
3458         * layout.h (class Layout): Make segment_precedes non-static.
3459         (class Compare_segments): Change from struct to class.  Add
3460         layout_ field.  Add constructor.
3461         * script-sections.cc
3462         (Script_sections::attach_sections_using_phdrs_clause): Rename
3463         local orphan to is_orphan.  Don't report failure to put empty
3464         section in segment.  On attachment failure, report name of
3465         section, and attach to first PT_LOAD segment.
3466
3467 2011-06-28  Ian Lance Taylor  <iant@google.com>
3468
3469         PR gold/12934
3470         * target-select.cc (Target_selector::Target_selector): Add
3471         emulation parameter.  Change all callers.
3472         (select_target_by_bfd_name): Rename from select_target_by_name.
3473         Change all callers.
3474         (select_target_by_emulation): New function.
3475         (supported_emulation_names): New function.
3476         * target-select.h (class Target_selector): Add emulation_ field.
3477         Update declarations.
3478         (Target_selector::recognize_by_bfd_name): Rename from
3479         recognize_by_name.  Change all callers.
3480         (Target_selector::supported_bfd_names): Rename from
3481         supported_names.  Change all callers.
3482         (Target_selector::recognize_by_emulation): New function.
3483         (Target_selector::supported_emulations): New function.
3484         (Target_selector::emulation): New function.
3485         (Target_selector::do_recognize_by_bfd_name): Rename from
3486         do_recognize_by_name.  Change all callers.
3487         (Target_selector::do_supported_bfd_names): Rename from
3488         do_supported_names.  Change all callers.
3489         (Target_selector::do_recognize_by_emulation): New function.
3490         (Target_selector::do_supported_emulations): New function.
3491         (select_target_by_bfd_name): Change name in declaration.
3492         (select_target_by_emulation): Declare.
3493         (supported_emulation_names): Declare.
3494         * parameters.cc (parameters_force_valid_target): Try to find
3495         target based on emulation from -m option.
3496         * options.h (class General_options): Change doc string for -m.
3497         * options.cc (help): Print emulations.
3498         (General_options::parse_V): Likewise.
3499         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
3500         Add emulation parameter.  Change all callers.
3501
3502 2011-06-28  Ian Lance Taylor  <iant@google.com>
3503
3504         * target.h (class Target): Add osabi_ field.
3505         (Target::osabi): New function.
3506         (Target::set_osabi): New function.
3507         (Target::Target): Initialize osabi_.
3508         (Target::do_adjust_elf_header): Make pure virtual.
3509         (Sized_target::do_adjust_elf_header): Declare.
3510         * target.cc (Sized_target::do_adjust_elf_header): New function.
3511         (class Sized_target): Instantiate all versions.
3512         * freebsd.h (class Target_freebsd): Remove.
3513         (Target_selector_freebsd::do_recognize): Call set_osabi on
3514         Target.
3515         (Target_selector_freebsd::do_recognize_by_name): Likewise.
3516         (Target_selector_freebsd::set_osabi): Remove.
3517         * i386.cc (class Target_i386): Inherit from Sized_target rather
3518         than Target_freebsd.
3519         * x86_64.cc (class Target_x86_64): Likewise.
3520
3521 2011-06-28  Ian Lance Taylor  <iant@google.com>
3522
3523         * target.h (Target::can_check_for_function_pointers): Rewrite.
3524         Make non-virtual.
3525         (Target::can_icf_inline_merge_sections): Likewise.
3526         (Target::section_may_have_icf_unsafe_poineters): Likewise.
3527         (Target::Target_info): Add can_icf_inline_merge_sections field.
3528         (Target::do_can_check_for_function_pointers): New virtual
3529         function.
3530         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
3531         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
3532         from can_check_for_function_pointers, move in file.
3533         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
3534         section_may_have_icf_unsafe_poineters, move in file.
3535         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
3536         * i386.cc (Target_i386::do_can_check_for_function_pointers):
3537         Rename from can_check_for_function_pointers, move in file.
3538         (Target_i386::can_icf_inline_merge_sections): Remove.
3539         (Target_i386::i386_info): Initialize
3540         can_icf_inline_merge_sections.
3541         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
3542         Initialize can_icf_inline_merge_sections.
3543         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
3544         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
3545         Rename from can_check_for_function_pointers, move in file.
3546         (Target_x86_64::can_icf_inline_merge_sections): Remove.
3547         (Target_x86_64::x86_64_info): Initialize
3548         can_icf_inline_merge_sections.
3549         * testsuite/testfile.cc (Target_test::test_target_info):
3550         Likewise.
3551         * icf.cc (get_section_contents): Correct formatting.
3552
3553 2011-06-27  Ian Lance Taylor  <iant@google.com>
3554
3555         * symtab.cc (Symbol::versioned_name): New function.
3556         (Symbol_table::add_to_final_symtab): Use versioned_name when
3557         appropriate.
3558         (Symbol_table::sized_write_symbol): Likewise.
3559         * symtab.h (class Symbol): Declare versioned_name.
3560         * stringpool.h (class Stringpool_template): Add variant of add
3561         which takes a std::basic_string.
3562         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
3563         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
3564         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
3565         (ver_test_12.o): New target.
3566         * testsuite/Makefile.in: Rebuild.
3567
3568 2011-06-27  Doug Kwan  <dougkwan@google.com>
3569
3570         * arm.cc (Arm_relocate_functions::thm_jump8,
3571         Arm_relocate_functions::thm_jump11): Use a wider signed
3572         type to compute offset.
3573         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
3574         arm_thm_jump8.
3575         * testsuite/Makefile.in: Regenerate.
3576         * testsuite/arm_branch_in_range.sh: Check test results of
3577         arm_thm_jump11 and arm_thm_jump8.
3578         * testsuite/arm_thm_jump11.s: New test source file.
3579         * testsuite/arm_thm_jump11.t: New linker script.
3580         * testsuite/arm_thm_jump8.s: New test source file.
3581         * testsuite/arm_thm_jump8.t: New linker script.
3582
3583 2011-06-24  Ian Lance Taylor  <iant@google.com>
3584
3585         * layout.cc: Include "object.h".
3586         (ctors_sections_in_init_array): New static variable.
3587         (Layout::is_ctors_in_init_array): New function.
3588         (Layout::layout): Add entry to ctors_sections_in_init_array if
3589         appropriate.
3590         * layout.h (class Layout): Declare is_ctors_in_init_array.
3591         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
3592         is_ctors_reverse_view is set.
3593         (Sized_relobj_file::write_sections): Add layout parameter.  Change
3594         all callers.  Set is_ctors_reverse_view field of View_size.
3595         (Sized_relobj_file::reverse_words): New function.
3596         * object.h (Sized_relobj_file::View_size): Add
3597         is_ctors_reverse_view field.
3598         (class Sized_relobj_file): Update declarations.
3599         * testsuite/initpri3.c: New test.
3600         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
3601         initpri3b.
3602         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
3603         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
3604         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
3605         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
3606         * testsuite/Makefile.in: Rebuild.
3607
3608 2011-06-24  Cary Coutant  <ccoutant@google.com>
3609
3610         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
3611         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
3612         (debug_msg_cdebug.err): New targets.
3613         * testsuite/Makefile.in: Regenerate.
3614         * testsuite/debug_msg.sh: Check output of link with compressed debug.
3615         Fix checks for link with shared library.
3616
3617 2011-06-24  Doug Kwan  <dougkwan@google.com>
3618
3619         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
3620         skip empty text sections.
3621         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
3622
3623 2011-06-22  Ian Lance Taylor  <iant@google.com>
3624
3625         PR gold/12910
3626         * options.h (class General_options): Add --ctors-in-init-array.
3627         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
3628         friends as SHT_PROGBITS for merging sections.
3629         (Layout::layout): Remove special handling of .init_array and
3630         friends.  Don't sort if doing relocatable link.  Sort for .ctors
3631         and .dtors if ctors_in_init_array.
3632         (Layout::make_output_section): Force correct section types for
3633         .init_array and friends.  Don't sort if doing relocatable link,
3634         Don't sort .ctors and .dtors if ctors_in_init_array.
3635         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
3636         (Layout::output_section_name): Add relobj parameter.  Change all
3637         callers.  Handle .ctors. and .dtors. in code rather than table.
3638         Handle .ctors and .dtors if ctors_in_init_array.
3639         (Layout::match_file_name): New function, moved from output.cc.
3640         * layout.h (class Layout): Update declarations.
3641         * output.cc: Include "layout.h".
3642         (Input_section_sort_entry::get_priority): New function.
3643         (Input_section_sort_entry::match_file_name): Just call
3644         Layout::match_file_name.
3645         (Output_section::Input_section_sort_init_fini_compare::operator()):
3646         Handle .ctors and .dtors.  Sort by explicit priority rather than
3647         by name.
3648         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
3649         * testsuite/initpri2.c: New test.
3650         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
3651         (check_PROGRAMS): Add initpri2.
3652         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
3653         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
3654         * configure, testsuite/Makefile.in: Rebuild.
3655
3656 2011-06-19  Ian Lance Taylor  <iant@google.com>
3657
3658         PR gold/12880
3659         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
3660         .interp section to a PT_INTERP segment even if we have seen a
3661         --dynamic-linker option.  Don't do it if we have seen a PHDRS
3662         clause in a linker script.
3663         (Layout::finalize): Don't create a .interp section if we've
3664         already create a PT_INTERP segment.
3665         (Layout::create_interp): Always call choose_output_section (revert
3666         patch of 2011-06-17).  Don't create PT_INTERP segment.
3667         * script-sections.cc
3668         (Script_sections::create_note_and_tls_segments): Add a .interp
3669         section to a PT_INTERP segment even if we have seen a
3670         --dynamic-linker option.
3671
3672 2011-06-18  Ian Lance Taylor  <iant@google.com>
3673
3674         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
3675         merely because a non-PT_LOAD segment has a dynamic reloc.
3676
3677 2011-06-18  Ian Lance Taylor  <iant@google.com>
3678
3679         * layout.cc (Layout::finish_dynamic_section): Don't create
3680         DT_FLAGS entry if not needed.
3681
3682 2011-06-18  Ian Lance Taylor  <iant@google.com>
3683
3684         PR gold/12745
3685         * layout.cc (Layout::layout_eh_frame): Correct handling of
3686         writable .eh_frame section.
3687
3688 2011-06-17  Ian Lance Taylor  <iant@google.com>
3689
3690         PR gold/12893
3691         * resolve.cc (Symbol_table::resolve): Don't give an error if a
3692         symbol is redefined with the exact same object and value.
3693
3694 2011-06-17  Ian Lance Taylor  <iant@google.com>
3695
3696         PR gold/12880
3697         * layout.h (class Layout): Add interp_segment_ field.
3698         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
3699         (Layout::attach_allocated_section_to_segment): If making shared
3700         library, put .interp section in PT_INTERP segment.
3701         (Layout::finalize): Also call create_interp if -dynamic-linker
3702         option was used.
3703         (Layout::create_interp): Assert that there is no PT_INTERP
3704         segment.  If not using a SECTIONS clause, use make_output_section.
3705         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
3706         * script-sections.cc
3707         (Script_sections::create_note_and_tls_segments): If making shared
3708         library, put .interp section in PT_INTERP segment.
3709
3710 2011-06-17  Ian Lance Taylor  <iant@google.com>
3711
3712         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
3713         when making a shared library.
3714
3715 2011-06-17  Ian Lance Taylor  <iant@google.com>
3716
3717         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
3718         parameter.  Change all callers.  Don't issue warning about PC32
3719         against locally defined symbol.
3720
3721 2011-06-16  Ian Lance Taylor  <iant@google.com>
3722
3723         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
3724         occurs in same object.
3725
3726 2011-06-14  Alan Modra  <amodra@gmail.com>
3727
3728         * po/POTFILES.in: Regenerate.
3729
3730 2011-06-09  Ian Lance Taylor  <iant@google.com>
3731
3732         * script-sections.cc
3733         (Orphan_output_section::set_section_addresses): For a relocatable
3734         link set address to 0.
3735
3736 2011-06-09  Cary Coutant  <ccoutant@google.com>
3737
3738         PR gold/12804
3739         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
3740         used with --compress-debug-sections.
3741         * gold/object.cc (Sized_relobj_file::do_layout): Report
3742         uncompressed size of compressed input sections.
3743
3744 2011-06-08  Cary Coutant  <ccoutant@google.com>
3745
3746         PR gold/12804
3747         * testsuite/two_file_test_2_v1.cc: Change initialization of
3748         v2 to keep it in .data.
3749
3750 2011-06-07  Cary Coutant  <ccoutant@google.com>
3751
3752         * common.cc (Symbol_table::do_allocate_commons_list): Call
3753         gold_fallback.
3754         * errors.cc (Errors::fatal): Adjust call to gold_exit.
3755         (Errors::fallback): New function.
3756         (gold_fallback): New function.
3757         * errors.h (Errors::fallback): New function.
3758         * gold.cc (gold_exit): Change status parameter to enum; adjust
3759         all callers.
3760         (queue_initial_tasks): Call gold_fallback.
3761         * gold.h: Include cstdlib.
3762         (Exit_status): New enum type.
3763         (gold_exit): Change status parameter to enum.
3764         (gold_fallback): New function.
3765         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
3766         (Layout::create_symtab_sections): Likewise.
3767         (Layout::create_shdrs): Likewise.
3768         * main.cc (main): Adjust call to gold_exit.
3769         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
3770         (Output_data_got::add_got_entry_pair): Likewise.
3771         (Output_section::add_input_section): Likewise.
3772         (Output_section::add_output_section_data): Likewise.
3773         (Output_segment::set_section_list_addresses): Likewise.
3774         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
3775
3776 2011-06-07  Cary Coutant  <ccoutant@google.com>
3777
3778         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
3779         for incremental links.
3780         * output.cc (Output_segment::set_section_list_addresses): Remove
3781         FIXME and test for TLS or BSS.
3782
3783 2011-06-07  Cary Coutant  <ccoutant@google.com>
3784
3785         * testsuite/Makefile.am: Add incremental_copy_test,
3786         incremental_common_test_1.
3787         * testsuite/Makefile.in: Regenerate.
3788         * testsuite/common_test_1_v1.c: New source file.
3789         * testsuite/common_test_1_v2.c: New source file.
3790         * testsuite/copy_test_v1.cc: New source file.
3791
3792 2011-06-07  Cary Coutant  <ccoutant@google.com>
3793
3794         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
3795         update, allocate common from bss section's free list.
3796         * incremental-dump.cc (dump_incremental_inputs): Print flag for
3797         linker-defined symbols.
3798         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
3799         Skip GOT and PLT entries that are no longer referenced.
3800         (Output_section_incremental_inputs::write_info_blocks): Mark
3801         linker-defined symbols.
3802         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
3803         * output.cc (Output_section::allocate): New function.
3804         * output.h (Output_section::allocate): New function.
3805         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
3806         linker-defined symbols.
3807         (Symbol::override_base_with_special): Copy is_predefined_ flag.
3808         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
3809         (Symbol::init_base_output_data): Likewise.
3810         (Symbol::init_base_output_segment): Likewise.
3811         (Symbol::init_base_constant): Likewise.
3812         (Sized_symbol::init_output_data): Likewise.
3813         (Sized_symbol::init_output_segment): Likewise.
3814         (Sized_symbol::init_constant): Likewise.
3815         (Symbol_table::do_define_in_output_data): Likewise.
3816         (Symbol_table::do_define_in_output_segment): Likewise.
3817         (Symbol_table::do_define_as_constant): Likewise.
3818         * symtab.h (Symbol::is_predefined): New function.
3819         (Symbol::init_base_output_data): Add is_predefined parameter.
3820         (Symbol::init_base_output_segment): Likewise.
3821         (Symbol::init_base_constant): Likewise.
3822         (Symbol::is_predefined_): New data member.
3823         (Sized_symbol::init_output_data): Add is_predefined parameter.
3824         (Sized_symbol::init_output_segment): Likewise.
3825         (Sized_symbol::init_constant): Likewise.
3826         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
3827
3828 2011-06-07  Cary Coutant  <ccoutant@google.com>
3829
3830         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
3831         instead of emit_copy_reloc.
3832         (Copy_relocs::emit_copy_reloc): Refactor.
3833         (Copy_relocs::make_copy_reloc): New function.
3834         (Copy_relocs::add_copy_reloc): Remove.
3835         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
3836         section.
3837         (Copy_relocs::make_copy_reloc): New function.
3838         (Copy_relocs::add_copy_reloc): Remove.
3839         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
3840         unchanged input files.
3841         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
3842         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
3843         Reserve BSS space for COPY relocations.
3844         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3845         (Output_section_incremental_inputs::write_info_blocks): Record
3846         whether a symbol is copied from a shared object.
3847         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
3848         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
3849         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
3850         (Incremental_input_entry_reader::get_output_symbol_index): Add
3851         is_copy parameter.
3852         (Incremental_binary::emit_copy_relocs): New function.
3853         (Incremental_binary::do_emit_copy_relocs): New function.
3854         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3855         new data member.
3856         (Sized_incremental_binary::add_copy_reloc): New function.
3857         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3858         (Sized_incremental_binary::Copy_reloc): New struct.
3859         (Sized_incremental_binary::Copy_relocs): New typedef.
3860         (Sized_incremental_binary::copy_relocs_): New data member.
3861         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
3862         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
3863         * target.h (Sized_target::emit_copy_reloc): New function.
3864         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
3865
3866 2011-06-02  Cary Coutant  <ccoutant@google.com>
3867
3868         PR gold/12163
3869         * gold/archive.cc (Archive::Archive): Initialize new data member.
3870         (Archive::include_all_members): Return if archive has already been
3871         included.
3872         * gold/archive.h (Archive::include_all_members_): New data member.
3873
3874 2011-06-02  Nick Clifton  <nickc@redhat.com>
3875
3876         * dynobj.h: Fix spelling mistake in comment.
3877         * output.cc: Likewise.
3878
3879 2011-05-31  Doug Kwan  <dougkwan@google.com>
3880             Asier Llano
3881
3882         PR gold/12826
3883         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
3884         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
3885         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
3886         redundant arm_exidx_test.so.
3887         * testsuite/Makefile.in: Regenerate.
3888         (check_SCRIPTS): Add pr12826.sh
3889         (check_DATA): Add pr12826.stdout
3890         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
3891         * testsuite/pr12826.sh: New file.
3892         * testsuite/pr12826_1.s: Ditto.
3893         * testsuite/pr12826_1.s: Ditto.
3894
3895 2011-05-30  Ian Lance Taylor  <iant@google.com>
3896
3897         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
3898         sections.
3899
3900 2011-05-29  Ian Lance Taylor  <iant@google.com>
3901
3902         PR gold/12804
3903         * testsuite/Makefile.am: Use different file name for two_file_test
3904         temporary file for each incremental test.
3905         * testsuite/Makefile.in: Rebuild.
3906
3907 2011-05-29  Ian Lance Taylor  <iant@google.com>
3908
3909         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
3910         binary input file is empty.
3911
3912 2011-05-27  Ian Lance Taylor  <iant@google.com>
3913
3914         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
3915         (ver_test_9.so): Likewise.
3916         * testsuite/Makefile.in: Rebuild.
3917
3918 2011-05-26 Cary Coutant  <ccoutant@google.com>
3919
3920         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
3921         * incremental.cc (Incremental_inputs::report_input_section): Fix
3922         comment, indentation.
3923         (Incremental_inputs::report_comdat_group): New function.
3924         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3925         of data for incremental input file entry.
3926         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
3927         group count, COMDAT group signatures.
3928         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
3929         an unchanged input file.
3930         * incremental.h (Incremental_object_entry::Incremental_object_entry):
3931         Initialize new data member.
3932         (Incremental_object_entry::add_comdat_group): New function.
3933         (Incremental_object_entry::get_comdat_group_count): New function.
3934         (Incremental_object_entry::get_comdat_signature_key): New function.
3935         (Incremental_object_entry::groups_): New data member.
3936         (Incremental_inputs::report_comdat_group): New function.
3937         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
3938         data for incremental input file entry.
3939         (Incremental_input_entry_reader::get_comdat_group_count): New function.
3940         (Incremental_input_entry_reader::get_input_section): Adjust size of
3941         data for incremental input file entry.
3942         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
3943         (Incremental_input_entry_reader::get_comdat_group_signature): New
3944         function.
3945         * object.cc (Sized_relobj::include_section_group): Report kept
3946         COMDAT groups for incremental links.
3947
3948 2011-05-24  David Meyer  <pdox@google.com>
3949
3950         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
3951         with name parameter.  Add found_name parameter.
3952         * fileread.cc (Input_file::find_file): Adjust code accordingly.
3953         * dirsearch.h (class Dirsearch): Update declaration.
3954
3955 2011-05-24  Ian Lance Taylor  <iant@google.com>
3956
3957         * archive.cc (Library_base::should_include_member): Pull in object
3958         from archive if it defines the entry symbol.
3959         * parameters.cc (Parameters::entry): New function.
3960         * parameters.h (class Parameters): Declare entry.
3961         * output.h (class Output_file_header): Remove entry_ field.
3962         * output.cc (Output_file_header::Output_file_header): Remove entry
3963         parameter.  Change all callers.
3964         (Output_file_header::entry): Use parameters->entry.
3965         * gold.cc (queue_middle_tasks): Likewise.
3966         * plugin.cc (Plugin_hook::run): Likewise.
3967
3968 2011-05-24 Cary Coutant  <ccoutant@google.com>
3969
3970         * gold.cc (queue_initial_tasks): Pass incremental base filename
3971         to Output_file::open_base_file; don't print error message.
3972         * incremental-dump.cc (main): Adjust call to
3973         Output_file::open_for_modification.
3974         * incremental-dump.cc (main): Likewise.
3975         * incremental.cc (Incremental_inputs::report_command_line):
3976         Ignore --incremental-base option when comparing command lines.
3977         Ignore parameter when given as separate argument.
3978         * options.h (class General_options): Add --incremental-base.
3979         * output.cc (Output_file::Output_file):
3980         (Output_file::open_base_file): Add base_name and writable parameters;
3981         read base file into new file; print error message here.
3982         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3983         callers.
3984         * output.h (Output_file::open_for_modification): Rename to...
3985         (Output_file::open_base_file): ...this; add base_name and
3986         writable parameters; adjust all callers.
3987         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3988         callers.
3989         * testsuite/Makefile.am (incremental_test_4): Test
3990         --incremental-base.
3991         * testsuite/Makefile.in: Regenerate.
3992
3993 2011-05-24 Cary Coutant  <ccoutant@google.com>
3994
3995         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
3996         incremental_test_4.
3997         * testsuite/Makefile.in: Regenerate.
3998         * testsuite/two_file_test_1_v1.cc: New test source file.
3999         * testsuite/two_file_test_1b_v1.cc: New test source file.
4000         * testsuite/two_file_test_2_v1.cc: New test source file.
4001
4002 2011-05-24 Cary Coutant  <ccoutant@google.com>
4003
4004         * dynobj.h (Dynobj::do_dynobj): New function.
4005         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
4006         flag and soname for shared objects.
4007         * incremental.cc (Incremental_inputs::report_object): Make
4008         either Incremental_object_entry or Incremental_dynobj_entry; add
4009         soname to string table.
4010         (Incremental_inputs::report_input_section): Add assertion.
4011         (Output_section_incremental_inputs::set_final_data_size): Adjust
4012         type of input file entry for shared libraries; adjust size of
4013         shared library info entry.
4014         (Output_section_incremental_inputs::write_input_files): Write
4015         as_needed flag for shared libraries.
4016         (Output_section_incremental_inputs::write_info_blocks): Adjust type
4017         of input file entry for shared libraries; write soname.
4018         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
4019         soname from incremental info.
4020         * incremental.h (enum Incremental_input_flags): Add
4021         INCREMENTAL_INPUT_AS_NEEDED.
4022         (Incremental_input_entry::Incremental_input_entry): Initialize new
4023         data member.
4024         (Incremental_input_entry::set_as_needed): New function.
4025         (Incremental_input_entry::as_needed): New function.
4026         (Incremental_input_entry::do_dynobj_entry): New function.
4027         (Incremental_input_entry::as_needed_): New data member.
4028         (Incremental_object_entry::Incremental_object_entry): Don't check
4029         for shared library.
4030         (Incremental_object_entry::do_type): Likewise.
4031         (class Incremental_dynobj_entry): New class.
4032         (Incremental_input_entry_reader::as_needed): New function.
4033         (Incremental_input_entry_reader::get_soname): New function.
4034         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
4035         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
4036         size of shared library info entry.
4037         * layout.cc (Layout::finish_dynamic_section): Don't test for
4038         incremental link when adding DT_NEEDED entries.
4039         * object.h (Object::Object): Initialize new data member.
4040         (Object::dynobj): New function.
4041         (Object::set_as_needed): New function.
4042         (Object::as_needed): New function.
4043         (Object::do_dynobj): New function.
4044         (Object::as_needed_): New data member.
4045
4046 2011-05-24 Cary Coutant  <ccoutant@google.com>
4047
4048         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
4049         info; adjust display of GOT entries.
4050         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
4051         vector of input objects; remove file_status_.
4052         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
4053         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
4054         got_plt reader; call target hooks to reserve GOT entries.
4055         (Output_section_incremental_inputs::set_final_data_size): Adjust size
4056         of input file info header and GOT info entry.
4057         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
4058         relocation info.
4059         (Got_plt_view_info::got_descriptor): Remove.
4060         (Got_plt_view_info::sym_index): New data member.
4061         (Got_plt_view_info::input_index): New data member.
4062         (Local_got_offset_visitor::visit): Write input file index.
4063         (Global_got_offset_visitor::visit): Write 0 for input file index.
4064         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
4065         with sym_index and input_index.
4066         (Output_section_incremental_inputs::write_got_plt): Adjust size of
4067         incremental info GOT entry; replace got_descriptor with input_index.
4068         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
4069         map from input file index to object.
4070         (Sized_relobj_incr::do_layout): Replace direct data member reference
4071         with accessor function.
4072         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
4073         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
4074         Adjust size of input file info header.
4075         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
4076         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
4077         (Incremental_input_entry_reader::get_input_section): Adjust size of
4078         input file info header.
4079         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
4080         of incremental info GOT entry.
4081         (Incremental_got_plt_reader::get_got_desc): Remove.
4082         (Incremental_got_plt_reader::get_got_symndx): New function.
4083         (Incremental_got_plt_reader::get_got_input_index): New function.
4084         (Sized_incremental_binary::Sized_incremental_binary): Remove
4085         file_status_; add input_objects_.
4086         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
4087         (Sized_incremental_binary::set_file_is_unchanged): Remove.
4088         (Sized_incremental_binary::file_is_unchanged): Remove.
4089         (Sized_incremental_binary::set_input_object): New function.
4090         (Sized_incremental_binary::input_object): New function.
4091         (Sized_incremental_binary::file_status_): Remove.
4092         (Sized_incremental_binary::input_objects_): New data member.
4093         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
4094         references.
4095         (Sized_relobj_incr::invalid_address): Move to base class.
4096         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
4097         class.
4098         (Sized_relobj_incr::do_output_section_offset): Likewise.
4099         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
4100         (Sized_relobj_incr::section_offsets_): Likewise.
4101         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
4102         function.
4103         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
4104         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
4105         with accessor function.
4106         (Sized_relobj_file::do_layout): Likewise.
4107         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
4108         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
4109         (Sized_relobj_file::compute_final_local_value): Replace refs to
4110         section_offsets_ with accessor function.
4111         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
4112         * object.h (Relobj::Relobj): Initialize new data members.
4113         (Relobj::add_dyn_reloc): New function.
4114         (Relobj::first_dyn_reloc): New function.
4115         (Relobj::dyn_reloc_count): New function.
4116         (Relobj::first_dyn_reloc_): New data member.
4117         (Relobj::dyn_reloc_count_): New data member.
4118         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
4119         references.
4120         (Sized_relobj::Address): New typedef.
4121         (Sized_relobj::invalid_address): Move here from child class.
4122         (Sized_relobj::Sized_relobj): Initialize new data members.
4123         (Sized_relobj::sized_relobj): New function.
4124         (Sized_relobj::is_output_section_offset_invalid): Move here from
4125         child class.
4126         (Sized_relobj::get_output_section_offset): Likewise.
4127         (Sized_relobj::local_has_got_offset): Likewise.
4128         (Sized_relobj::local_got_offset): Likewise.
4129         (Sized_relobj::set_local_got_offset): Likewise.
4130         (Sized_relobj::do_for_all_local_got_entries): Likewise.
4131         (Sized_relobj::clear_got_offsets): New function.
4132         (Sized_relobj::section_offsets): Move here from child class.
4133         (Sized_relobj::do_output_section_offset): Likewise.
4134         (Sized_relobj::do_set_section_offset): Likewise.
4135         (Sized_relobj::Local_got_offsets): Likewise.
4136         (Sized_relobj::local_got_offsets_): Likewise.
4137         (Sized_relobj::section_offsets_): Likewise.
4138         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
4139         references.
4140         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
4141         class.
4142         (Sized_relobj_file::sized_relobj): New function
4143         (Sized_relobj_file::local_has_got_offset): Move to base class.
4144         (Sized_relobj_file::local_got_offset): Likewise.
4145         (Sized_relobj_file::set_local_got_offset): Likewise.
4146         (Sized_relobj_file::get_output_section_offset): Likewise.
4147         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
4148         (Sized_relobj_file::do_output_section_offset): Likewise.
4149         (Sized_relobj_file::do_set_section_offset): Likewise.
4150         (Sized_relobj_file::Local_got_offsets): Likewise.
4151         (Sized_relobj_file::local_got_offsets_): Likewise.
4152         (Sized_relobj_file::section_offsets_): Likewise.
4153         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
4154         (all constructors).
4155         (set_needs_dynsym_index): Convert relobj to derived class pointer.
4156         (Output_reloc::get_symbol_index): Likewise.
4157         (Output_reloc::local_section_offset): Likewise.
4158         (Output_reloc::get_address): Likewise.
4159         (Output_reloc::symbol_value): Likewise.
4160         (Output_data_got::reserve_slot): Move to class definition.
4161         (Output_data_got::reserve_local): New function.
4162         (Output_data_got::reserve_slot_for_global): Remove.
4163         (Output_data_got::reserve_global): New function.
4164         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
4165         (all constructors, two instantiations).
4166         (Output_reloc::get_relobj): New function (two instantiations).
4167         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
4168         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
4169         (Output_data_reloc::add_global): Adjust type of relobj.
4170         (Output_data_reloc::add_global_relative): Likewise.
4171         (Output_data_reloc::add_symbolless_global_addend): Likewise.
4172         (Output_data_reloc::add_local): Likewise.
4173         (Output_data_reloc::add_local_relative): Likewise.
4174         (Output_data_reloc::add_symbolless_local_addend): Likewise.
4175         (Output_data_reloc::add_local_section): Likewise.
4176         (Output_data_reloc::add_output_section): Likewise.
4177         (Output_data_reloc::add_absolute): Likewise.
4178         (Output_data_reloc::add_target_specific): Likewise.
4179         (Output_data_got::reserve_slot): Move definition here.
4180         (Output_data_got::reserve_local): New function.
4181         (Output_data_got::reserve_global): New function.
4182         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
4183         section_offsets_ with accessor function.
4184         (Sized_relobj_file::write_sections): Likewise.
4185         (Sized_relobj_file::do_relocate_sections): Likewise.
4186         * target.h (Sized_target::reserve_local_got_entry): New function.
4187         (Sized_target::reserve_global_got_entry): New function.
4188         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
4189         (Target_x86_64::reserve_global_got_entry): New function.
4190         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
4191
4192 2011-05-23 Cary Coutant  <ccoutant@google.com>
4193
4194         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
4195         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
4196         bit when checking got_type.
4197         * incremental.cc (Sized_incremental_binary::setup_readers):
4198         Store symbol table and string table locations; initialize bit vector
4199         of file status flags.
4200         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
4201         unchanged files.
4202         (Sized_incremental_binary::do_process_got_plt): New function.
4203         (Sized_incremental_binary::get_symtab_view): Use stored locations.
4204         (Output_section_incremental_inputs::set_final_data_size): Record
4205         file index for each input file.
4206         (Output_section_incremental_inputs::write_got_plt): Store file index
4207         instead of input entry offset for each GOT entry.
4208         * incremental.h
4209         (Incremental_input_entry::Incremental_input_entry): Initialize new
4210         data member.
4211         (Incremental_input_entry::set_offset): Store file index.
4212         (Incremental_input_entry::get_file_index): New function.
4213         (Incremental_input_entry::file_index_): New data member.
4214         (Incremental_binary::process_got_plt): New function.
4215         (Incremental_binary::do_process_got_plt): New function.
4216         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
4217         data members.
4218         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
4219         (Sized_incremental_binary::set_file_is_unchanged): New function.
4220         (Sized_incremental_binary::file_is_unchanged): New function.
4221         (Sized_incremental_binary::do_process_got_plt): New function.
4222         (Sized_incremental_binary::file_status_): New data member.
4223         (Sized_incremental_binary::main_symtab_loc_): New data member.
4224         (Sized_incremental_binary::main_strtab_loc_): New data member.
4225         * output.cc (Output_data_got::Got_entry::write): Add case
4226         RESERVED_CODE.
4227         (Output_data_got::add_global): Call add_got_entry.
4228         (Output_data_got::add_global_plt): Likewise.
4229         (Output_data_got::add_global_with_rel): Likewise.
4230         (Output_data_got::add_global_with_rela): Likewise.
4231         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
4232         (Output_data_got::add_global_pair_with_rela): Likewise.
4233         (Output_data_got::add_local): Call add_got_entry.
4234         (Output_data_got::add_local_plt): Likewise.
4235         (Output_data_got::add_local_with_rel): Likewise.
4236         (Output_data_got::add_local_with_rela): Likewise.
4237         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
4238         (Output_data_got::add_local_pair_with_rela): Likewise.
4239         (Output_data_got::reserve_slot): New function.
4240         (Output_data_got::reserve_slot_for_global): New function.
4241         (Output_data_got::add_got_entry): New function.
4242         (Output_data_got::add_got_entry_pair): New function.
4243         (Output_section::add_output_section_data): Edit FIXME.
4244         * output.h
4245         (Output_section_data_build::Output_section_data_build): New
4246         constructor with size parameter.
4247         (Output_data_space::Output_data_space): Likewise.
4248         (Output_data_got::Output_data_got): Initialize new data member; new
4249         constructor with size parameter.
4250         (Output_data_got::add_constant): Call add_got_entry.
4251         (Output_data_got::reserve_slot): New function.
4252         (Output_data_got::reserve_slot_for_global): New function.
4253         (class Output_data_got::Got_entry): Add RESERVED_CODE.
4254         (Output_data_got::add_got_entry): New function.
4255         (Output_data_got::add_got_entry_pair): New function.
4256         (Output_data_got::free_list_): New data member.
4257         * target.h (Sized_target::init_got_plt_for_update): New function.
4258         (Sized_target::register_global_plt_entry): New function.
4259         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
4260         Initialize new data member; call init; add constructor with PLT count.
4261         (Output_data_plt_x86_64::init): New function.
4262         (Output_data_plt_x86_64::add_relocation): New function.
4263         (Output_data_plt_x86_64::reserve_slot): New function.
4264         (Output_data_plt_x86_64::free_list_): New data member.
4265         (Target_x86_64::init_got_plt_for_update): New function.
4266         (Target_x86_64::register_global_plt_entry): New function.
4267         (Output_data_plt_x86_64::add_entry): Allocate from free list for
4268         incremental updates.
4269         (Output_data_plt_x86_64::add_relocation): New function.
4270         * testsuite/object_unittest.cc (Object_test): Set default options.
4271
4272 2011-05-16  Ian Lance Taylor  <iant@google.com>
4273
4274         * options.h (class General_options): Make -i a synonym for -r.
4275
4276 2011-05-16  Ian Lance Taylor  <iant@google.com>
4277
4278         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
4279
4280 2011-05-10 Cary Coutant  <ccoutant@google.com>
4281
4282         * object.cc (Sized_relobj::do_count_local_symbols): Check for
4283         strip_all (-s).
4284
4285 2011-05-06  Ian Lance Taylor  <iant@google.com>
4286
4287         * layout.cc (Layout::layout): If the output section flags change,
4288         update the ordering.
4289
4290 2011-04-25 Cary Coutant  <ccoutant@google.com>
4291
4292         * incremental-dump.cc (dump_incremental_inputs): Print local
4293         symbol info for each input file.
4294         * incremental.cc
4295         (Output_section_incremental_inputs::set_final_data_size): Add local
4296         symbol info to input file entries in incremental info.
4297         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4298         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
4299         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
4300         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
4301         implementation.
4302         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
4303         (Sized_incr_relobj::do_relocate): Write the local symbols.
4304         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
4305         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
4306         Adjust size of input file header.
4307         (Incremental_inputs_reader::get_local_symbol_offset): New function.
4308         (Incremental_inputs_reader::get_local_symbol_count): New function.
4309         (Incremental_inputs_reader::get_input_section): Adjust size of input
4310         file header.
4311         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
4312         (Sized_incr_relobj::This): New typedef.
4313         (Sized_incr_relobj::sym_size): New const data member.
4314         (Sized_incr_relobj::Local_symbol): New struct.
4315         (Sized_incr_relobj::do_output_local_symbol_count): New function.
4316         (Sized_incr_relobj::do_local_symbol_offset): New function.
4317         (Sized_incr_relobj::local_symbol_count_): New data member.
4318         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
4319         (Sized_incr_relobj::local_symbol_index_): New data member.
4320         (Sized_incr_relobj::local_symbol_offset_): New data member.
4321         (Sized_incr_relobj::local_dynsym_offset_): New data member.
4322         (Sized_incr_relobj::local_symbols_): New data member.
4323         * object.h (Relobj::output_local_symbol_count): New function.
4324         (Relobj::local_symbol_offset): New function.
4325         (Relobj::do_output_local_symbol_count): New function.
4326         (Relobj::do_local_symbol_offset): New function.
4327         (Sized_relobj::do_output_local_symbol_count): New function.
4328         (Sized_relobj::do_local_symbol_offset): New function.
4329
4330 2011-04-22  Vladimir Simonov  <sv@sw.ru>
4331
4332         * descriptors.cc (set_close_on_exec): New function.
4333         (Descriptors::open): Use set_close_on_exec.
4334         * output.cc (S_ISLNK): Define if not defined.
4335
4336 2011-04-22 Cary Coutant  <ccoutant@google.com>
4337
4338         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
4339         global symbol map.
4340         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
4341         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
4342         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
4343         relocations.
4344         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
4345         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
4346         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
4347         * incremental.h
4348         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
4349         function.
4350         (Incremental_binary::apply_incremental_relocs): New function.
4351         (Incremental_binary::do_apply_incremental_relocs): New function.
4352         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
4353         data member.
4354         (Sized_incremental_binary::add_global_symbol): New function.
4355         (Sized_incremental_binary::global_symbol): New function.
4356         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
4357         (Sized_incremental_binary::symbol_map_): New data member.
4358         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
4359         * target.h (Sized_target::apply_relocation): New function.
4360         * target-reloc.h (apply_relocation): New function.
4361         * x86_64.cc (Target_x86_64::apply_relocation): New function.
4362
4363 2011-04-22  Doug Kwan  <dougkwan@google.com>
4364
4365         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
4366         flag of a SHT_ARM_EXIDX section.
4367         * testsuite/Makefile.am (arm_exidx_test): New test rules.
4368         * testsuite/Makefile.in: Regenerate.
4369         * testsuite/arm_exidx_test.s: New file.
4370         * testsuite/arm_exidx_test.sh: Same.
4371
4372 2011-04-20 Cary Coutant  <ccoutant@google.com>
4373
4374         PR gold/12689
4375         * archive.h (Incremental_archive_entry::Archive_member):
4376         Initialize arg_serial_ (second constructor).
4377
4378 2011-04-17  Ian Lance Taylor  <iant@google.com>
4379
4380         * object.cc (Relocate_info::location): Simplify location string.
4381         * errors.cc (Errors::error_at_location): Don't print program
4382         name.
4383         (Errors::warning_at_location): Likewise.
4384         (Errors::undefined_symbol): Likewise.
4385         * testsuite/debug_msg.sh: Update accordingly.
4386
4387 2011-04-14 Cary Coutant  <ccoutant@google.com>
4388
4389         * gold/layout.cc (Layout::symtab_section_offset): New function.
4390         * gold/layout.h (Layout::symtab_section_offset): New function.
4391         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
4392
4393 2011-04-12  Ian Lance Taylor  <iant@google.com>
4394
4395         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
4396         with MREMAP_MAYMOVE.
4397         * output.h (class Output_file): Add map_is_allocated_ field.
4398         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
4399         not available, provide stubs.  If mremap is not available, #define
4400         it to gold_mremap.
4401         (MREMAP_MAYMOVE): Define if not defined.
4402         (Output_file::Output_file): Initialize map_is_allocated_.
4403         (Output_file::resize): Check map_is_allocated_.
4404         (Output_file::map_anonymous): If mmap fails, use malloc.
4405         (Output_file::unmap): Don't do anything for an anonymous map.
4406         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
4407         is not available, provide stubs.
4408         (File_read::View::~View): Use free rather than delete[].
4409         (File_read::make_view): Use malloc rather than new[].  If mmap
4410         fails, use malloc.
4411         (File_read::find_or_make_view): Use malloc rather than new[].
4412         * gold.h: Remove HAVE_REMAP code.
4413         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
4414         exists.  Rename mremap to gold_mremap.  If mmap is not available
4415         don't do anything.
4416         * configure, config.in: Rebuild.
4417
4418 2011-04-11  Ian Lance Taylor  <iant@google.com>
4419
4420         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
4421         initialize local variable v.
4422
4423 2011-04-11  Cary Coutant  <ccoutant@google.com>
4424
4425         * archive.cc (Archive::include_member): Adjust call to
4426         report_object.
4427         (Add_archive_symbols::run): Track argument serial numbers.
4428         (Lib_group::include_member): Likewise.
4429         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
4430         * archive.h (Incremental_archive_entry::Archive_member):
4431         Initialize arg_serial_.
4432         (Archive_member::arg_serial_): New data member.
4433         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
4434         (Sized_dynobj::do_add_symbols): Track symbols when doing an
4435         incremental link.
4436         (Sized_dynobj::do_for_all_local_got_entries): New function.
4437         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
4438         function.
4439         * fileread.cc (get_mtime): New function.
4440         * fileread.h (get_mtime): New function.
4441         * gold.cc (queue_initial_tasks): Check for incremental update.
4442         (process_incremental_input): New function.
4443         (queue_middle_tasks): Don't force valid target for incremental
4444         update.
4445         * incremental-dump.cc (find_input_containing_global): Adjust
4446         size of symbol info entry.
4447         (dump_incremental_inputs): Dump argument serial number and
4448         in_system_directory flag; bias shndx by 1; print symbol names
4449         when dumping per-file symbol lists; use new symbol info readers.
4450         * incremental.cc
4451         (Output_section_incremental_inputs:update_data_size): New function.
4452         (Sized_incremental_binary::setup_readers): Setup input readers
4453         for each input file; build maps for files added from libraries
4454         and scripts.
4455         (Sized_incremental_binary::check_input_args): New function.
4456         (Sized_incremental_binary::do_check_inputs): Build map of argument
4457         serial numbers to input arguments.
4458         (Sized_incremental_binary::do_file_has_changed): Rename
4459         do_file_is_unchanged to this; compare file modification times.
4460         (Sized_incremental_binary::do_init_layout): New function.
4461         (Sized_incremental_binary::do_reserve_layout): New function.
4462         (Sized_incremental_binary::do_get_input_reader): Remove.
4463         (Sized_incremental_binary::get_symtab_view): New function.
4464         (Incremental_checker::can_incrementally_link_output_file): Remove.
4465         (Incremental_inputs::report_command_line): Exclude --debug options.
4466         (Incremental_inputs::report_archive_begin): Add parameter; track
4467         argument serial numbers; don't put input file entry for archive
4468         before archive members.
4469         (Incremental_inputs::report_archive_end): Put input file entry
4470         for archive after archive members.
4471         (Incremental_inputs::report_object): Add parameter; track argument
4472         serial numbers and in_system_directory flag.
4473         (Incremental_inputs::report_script): Add parameter; track argument
4474         serial numbers.
4475         (Output_section_incremental_inputs::set_final_data_size): Adjust
4476         size of symbol info entry; check for forwarding symbols.
4477         (Output_section_incremental_inputs::write_input_files): Write
4478         in_system_directory flag and argument serial number.
4479         (Output_section_incremental_inputs::write_info_blocks): Map section
4480         indices between incremental info and original input file; store
4481         input section index for each symbol.
4482         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
4483         change operator() to visit().
4484         (class Global_got_offset_visitor): Likewise.
4485         (class Global_symbol_visitor_got_plt):
4486         (Output_section_incremental_inputs::write_got_plt): Use new visitor
4487         classes.
4488         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
4489         (Sized_incr_relobj::do_read_symbols): New function.
4490         (Sized_incr_relobj::do_layout): New function.
4491         (Sized_incr_relobj::do_layout_deferred_sections): New function.
4492         (Sized_incr_relobj::do_add_symbols): New function.
4493         (Sized_incr_relobj::do_should_include_member): New function.
4494         (Sized_incr_relobj::do_for_all_global_symbols): New function.
4495         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
4496         (Sized_incr_relobj::do_section_size): New function.
4497         (Sized_incr_relobj::do_section_name): New function.
4498         (Sized_incr_relobj::do_section_contents): New function.
4499         (Sized_incr_relobj::do_section_flags): New function.
4500         (Sized_incr_relobj::do_section_entsize): New function.
4501         (Sized_incr_relobj::do_section_address): New function.
4502         (Sized_incr_relobj::do_section_type): New function.
4503         (Sized_incr_relobj::do_section_link): New function.
4504         (Sized_incr_relobj::do_section_info): New function.
4505         (Sized_incr_relobj::do_section_addralign): New function.
4506         (Sized_incr_relobj::do_initialize_xindex): New function.
4507         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
4508         (Sized_incr_relobj::do_read_relocs): New function.
4509         (Sized_incr_relobj::do_gc_process_relocs): New function.
4510         (Sized_incr_relobj::do_scan_relocs): New function.
4511         (Sized_incr_relobj::do_count_local_symbols): New function.
4512         (Sized_incr_relobj::do_finalize_local_symbols): New function.
4513         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
4514         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
4515         (Sized_incr_relobj::do_relocate): New function.
4516         (Sized_incr_relobj::do_set_section_offset): New function.
4517         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
4518         (Sized_incr_dynobj::do_read_symbols): New function.
4519         (Sized_incr_dynobj::do_layout): New function.
4520         (Sized_incr_dynobj::do_add_symbols): New function.
4521         (Sized_incr_dynobj::do_should_include_member): New function.
4522         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
4523         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
4524         (Sized_incr_dynobj::do_section_size): New function.
4525         (Sized_incr_dynobj::do_section_name): New function.
4526         (Sized_incr_dynobj::do_section_contents): New function.
4527         (Sized_incr_dynobj::do_section_flags): New function.
4528         (Sized_incr_dynobj::do_section_entsize): New function.
4529         (Sized_incr_dynobj::do_section_address): New function.
4530         (Sized_incr_dynobj::do_section_type): New function.
4531         (Sized_incr_dynobj::do_section_link): New function.
4532         (Sized_incr_dynobj::do_section_info): New function.
4533         (Sized_incr_dynobj::do_section_addralign): New function.
4534         (Sized_incr_dynobj::do_initialize_xindex): New function.
4535         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
4536         (make_sized_incremental_object): New function.
4537         (Incremental_library::copy_unused_symbols): New function.
4538         (Incremental_library::do_for_all_unused_symbols): New function.
4539         * incremental.h (enum Incremental_input_flags): New type.
4540         (class Incremental_checker): Remove.
4541         (Incremental_input_entry::Incremental_input_entry): Add argument
4542         serial number.
4543         (Incremental_input_entry::arg_serial): New function.
4544         (Incremental_input_entry::set_is_in_system_directory): New function.
4545         (Incremental_input_entry::is_in_system_directory): New function.
4546         (Incremental_input_entry::arg_serial_): New data member.
4547         (Incremental_input_entry::is_in_system_directory_): New data member.
4548         (class Script_info): Move here from script.h.
4549         (Script_info::Script_info): Add filename parameter.
4550         (Script_info::filename): New function.
4551         (Script_info::filename_): New data member.
4552         (Incremental_script_entry::Incremental_script_entry): Add argument
4553         serial number.
4554         (Incremental_object_entry::Incremental_object_entry): Likewise.
4555         (Incremental_object_entry::add_input_section): Build list of input
4556         sections with map to original shndx.
4557         (Incremental_object_entry::get_input_section_index): New function.
4558         (Incremental_object_entry::shndx_): New data member.
4559         (Incremental_object_entry::name_key_): Rename; adjust all refs.
4560         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
4561         (Incremental_archive_entry::Incremental_archive_entry): Add argument
4562         serial number.
4563         (Incremental_inputs::report_archive_begin): Likewise.
4564         (Incremental_inputs::report_object): Likewise.
4565         (Incremental_inputs::report_script): Likewise.
4566         (class Incremental_global_symbol_reader): New class.
4567         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
4568         and store flags and input file type.
4569         (Incremental_input_entry_reader::arg_serial): New function.
4570         (Incremental_input_entry_reader::type): Extract type from flags.
4571         (Incremental_input_entry_reader::is_in_system_directory): New function.
4572         (Incremental_input_entry_reader::get_input_section_count): Call
4573         accessor function for type.
4574         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
4575         function for type; adjust size of global symbol entry.
4576         (Incremental_input_entry_reader::get_global_symbol_count): Call
4577         accessor function for type.
4578         (Incremental_input_entry_reader::get_object_count): Likewise.
4579         (Incremental_input_entry_reader::get_object_offset): Likewise.
4580         (Incremental_input_entry_reader::get_member_count): Likewise.
4581         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
4582         (Incremental_input_entry_reader::get_member_offset): Likewise.
4583         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
4584         (Incremental_input_entry_reader::Global_symbol_info): Remove.
4585         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
4586         (Incremental_input_entry_reader::get_global_symbol_reader): New
4587         function.
4588         (Incremental_input_entry_reader::get_output_symbol_index): New
4589         function.
4590         (Incremental_input_entry_reader::type_): Remove.
4591         (Incremental_input_entry_reader::flags_): New data member.
4592         (Incremental_inputs_reader::input_file_offset): New function.
4593         (Incremental_inputs_reader::input_file_index): New function.
4594         (Incremental_inputs_reader::input_file): Call input_file_offset.
4595         (Incremental_inputs_reader::input_file_at_offset): New function.
4596         (Incremental_relocs_reader::get_r_type): Reformat.
4597         (Incremental_relocs_reader::get_r_shndx): Reformat.
4598         (Incremental_relocs_reader::get_r_offset): Reformat.
4599         (Incremental_relocs_reader::data): New function.
4600         (Incremental_binary::Incremental_binary): Initialize new data members.
4601         (Incremental_binary::check_inputs): Add cmdline parameter.
4602         (Incremental_binary::file_is_unchanged): Remove.
4603         (Input_reader::arg_serial): New function.
4604         (Input_reader::get_unused_symbol_count): New function.
4605         (Input_reader::get_unused_symbol): New function.
4606         (Input_reader::do_arg_serial): New function.
4607         (Input_reader::do_get_unused_symbol_count): New function.
4608         (Input_reader::do_get_unused_symbol): New function.
4609         (Incremental_binary::input_file_count): New function.
4610         (Incremental_binary::get_input_reader): Change signature to use
4611         index instead of filename.
4612         (Incremental_binary::file_has_changed): New function.
4613         (Incremental_binary::get_input_argument): New function.
4614         (Incremental_binary::get_library): New function.
4615         (Incremental_binary::get_script_info): New function.
4616         (Incremental_binary::init_layout): New function.
4617         (Incremental_binary::reserve_layout): New function.
4618         (Incremental_binary::output_file): New function.
4619         (Incremental_binary::do_check_inputs): New function.
4620         (Incremental_binary::do_file_is_unchanged): Remove.
4621         (Incremental_binary::do_file_has_changed): New function.
4622         (Incremental_binary::do_init_layout): New function.
4623         (Incremental_binary::do_reserve_layout): New function.
4624         (Incremental_binary::do_input_file_count): New function.
4625         (Incremental_binary::do_get_input_reader): Change signature.
4626         (Incremental_binary::input_args_map_): New data member.
4627         (Incremental_binary::library_map_): New data member.
4628         (Incremental_binary::script_map_): New data member.
4629         (Sized_incremental_binary::Sized_incremental_binary): Initialize
4630         new data members.
4631         (Sized_incremental_binary::output_section): New function.
4632         (Sized_incremental_binary::inputs_reader): Add const.
4633         (Sized_incremental_binary::symtab_reader): Add const.
4634         (Sized_incremental_binary::relocs_reader): Add const.
4635         (Sized_incremental_binary::got_plt_reader): Add const.
4636         (Sized_incremental_binary::get_symtab_view): New function.
4637         (Sized_incremental_binary::Inputs_reader): New typedef.
4638         (Sized_incremental_binary::Input_entry_reader): New typedef.
4639         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
4640         (Sized_incremental_binary::do_file_is_unchanged): Remove.
4641         (Sized_incremental_binary::do_file_has_changed): New function.
4642         (Sized_incremental_binary::do_init_layout): New function.
4643         (Sized_incremental_binary::do_reserve_layout): New function.
4644         (Sized_input_reader::Inputs_reader): Remove.
4645         (Sized_input_reader::Input_entry_reader): Remove.
4646         (Sized_input_reader::do_arg_serial): New function.
4647         (Sized_input_reader::do_get_unused_symbol_count): New function.
4648         (Sized_input_reader::do_get_unused_symbol): New function.
4649         (Sized_incremental_binary::do_input_file_count): New function.
4650         (Sized_incremental_binary::do_get_input_reader): Change signature;
4651         use index instead of filename.
4652         (Sized_incremental_binary::section_map_): New data member.
4653         (Sized_incremental_binary::input_entry_readers_): New data member.
4654         (class Sized_incr_relobj): New class.
4655         (class Sized_incr_dynobj): New class.
4656         (make_sized_incremental_object): New function.
4657         (class Incremental_library): New class.
4658         * layout.cc (Free_list::num_lists): New static data member.
4659         (Free_list::num_nodes): New static data member.
4660         (Free_list::num_removes): New static data member.
4661         (Free_list::num_remove_visits): New static data member.
4662         (Free_list::num_allocates): New static data member.
4663         (Free_list::num_allocate_visits): New static data member.
4664         (Free_list::init): New function.
4665         (Free_list::remove): New function.
4666         (Free_list::allocate): New function.
4667         (Free_list::dump): New function.
4668         (Free_list::print_stats): New function.
4669         (Layout_task_runner::run): Resize output file for incremental updates.
4670         (Layout::Layout): Initialize new data members.
4671         (Layout::set_incremental_base): New function.
4672         (Layout::init_fixed_output_section): New function.
4673         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
4674         incremental updates.
4675         (Layout::create_gold_note): Do not create gold note section for
4676         incremental updates.
4677         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
4678         for incremental updates.
4679         (Layout::set_section_offsets): For incremental updates, allocate space
4680         from free list.
4681         (Layout::create_symtab_sections): Layout with offsets relative to
4682         start of section; for incremental updates, allocate space from free
4683         list.
4684         (Layout::create_shdrs): For incremental updates, allocate space from
4685         free list.
4686         (Layout::finish_dynamic_section): For incremental updates, do not
4687         check --as-needed (fixed in subsequent patch).
4688         * layout.h (class Free_list): New class.
4689         (Layout::set_incremental_base): New function.
4690         (Layout::incremental_base): New function.
4691         (Layout::init_fixed_output_section): New function.
4692         (Layout::allocate): New function.
4693         (Layout::incremental_base_): New data member.
4694         (Layout::free_list_): New data member.
4695         * main.cc (main): Print Free_list statistics.
4696         * object.cc (Relobj::finalize_incremental_relocs): Add
4697         clear_counts parameter; clear counts only when clear_counts is set.
4698         (Sized_relobj::Sized_relobj): Initialize new base class.
4699         (Sized_relobj::do_layout): Don't report special sections.
4700         (Sized_relobj::do_for_all_local_got_entries): New function.
4701         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
4702         symtab_off to all symbol table offsets.
4703         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
4704         * object.h (class Got_offset_list): Move to top of file.
4705         (Object::Object): Allow case where input_file == NULL.
4706         (Object::~Object): Likewise.
4707         (Object::input_file): Assert that input_file != NULL.
4708         (Object::lock): Allow case where input_file == NULL.
4709         (Object::unlock): Likewise.
4710         (Object::is_locked): Likewise.
4711         (Object::token): Likewise.
4712         (Object::release): Likewise.
4713         (Object::is_incremental): New function.
4714         (Object::get_mtime): New function.
4715         (Object::for_all_local_got_entries): New function.
4716         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
4717         (Object::set_is_in_system_directory): New function.
4718         (Object::is_in_system_directory): New function.
4719         (Object::do_is_incremental): New function.
4720         (Object::do_get_mtime): New function.
4721         (Object::do_for_all_local_got_entries): New function.
4722         (Object::is_in_system_directory_): New data member.
4723         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
4724         (class Sized_relobj_base): New class.
4725         (class Sized_relobj): Derive from Sized_relobj_base.
4726         (class Sized_relobj::Symbols): Redeclare from base class.
4727         (class Sized_relobj::local_got_offset_list): Remove.
4728         (class Sized_relobj::Output_sections): Redeclare from base class.
4729         (class Sized_relobj::do_for_all_local_got_entries): New function.
4730         (class Sized_relobj::write_local_symbols): Add offset parameter.
4731         (class Sized_relobj::local_symbol_offset_): Update comment.
4732         (class Sized_relobj::local_dynsym_offset_): Update comment.
4733         * options.cc (Input_arguments::add_file): Remove const.
4734         * options.h (Input_file_argument::Input_file_argument):
4735         Initialize arg_serial_ (all constructors).
4736         (Input_file_argument::set_arg_serial): New function.
4737         (Input_file_argument::arg_serial): New function.
4738         (Input_file_argument::arg_serial_): New data member.
4739         (Input_arguments::Input_arguments): Initialize file_count_.
4740         (Input_arguments::add_file): Remove const.
4741         (Input_arguments::number_of_input_files): New function.
4742         (Input_arguments::file_count_): New data member.
4743         (Command_line::number_of_input_files): Call
4744         Input_arguments::number_of_input_files.
4745         * output.cc (Output_segment_headers::Output_segment_headers):
4746         Set current size.
4747         (Output_section::Input_section::current_data_size): New function.
4748         (Output_section::Output_section): Initialize new data members.
4749         (Output_section::add_input_section): Don't do merge sections for
4750         an incremental link; allocate space from free list for an
4751         incremental update.
4752         (Output_section::add_output_section_data): Allocate space from
4753         free list for an incremental update.
4754         (Output_section::update_data_size): New function.
4755         (Output_section::set_fixed_layout): New function.
4756         (Output_section::reserve): New function.
4757         (Output_segment::set_section_addresses): Remove const.
4758         (Output_segment::set_section_list_addresses): Remove const; allocate
4759         space from free list for an incremental update.
4760         (Output_segment::set_offset): Adjust size of RELRO segment for an
4761         incremental update.
4762         * output.h (Output_data::current_data_size): Move here from
4763         child classes.
4764         (Output_data::pre_finalize_data_size): New function.
4765         (Output_data::update_data_size): New function.
4766         (Output_section_headers::update_data_size): new function.
4767         (Output_section_data_build::current_data_size): Move to Output_data.
4768         (Output_data_strtab::update_data_size): New function.
4769         (Output_section::current_data_size): Move to Output_data.
4770         (Output_section::set_fixed_layout): New function.
4771         (Output_section::has_fixed_layout): New function.
4772         (Output_section::reserve): New function.
4773         (Output_section::update_data_size): New function.
4774         (Output_section::has_fixed_layout_): New data member.
4775         (Output_section::free_list_): New data member.
4776         (Output_segment::set_section_addresses): Remove const.
4777         (Output_segment::set_section_list_addresses): Remove const.
4778         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
4779         New function.
4780         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
4781         New function.
4782         * readsyms.cc (Read_symbols::do_read_symbols): Add library
4783         parameter when calling Add_symbols constructor; store argument
4784         serial number for members of a lib group.
4785         (Add_symbols::locks): Allow case where token == NULL.
4786         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
4787         (Read_member::~Read_member): New function.
4788         (Read_member::is_runnable): New function.
4789         (Read_member::locks): New function.
4790         (Read_member::run): New function.
4791         (Check_script::~Check_script): New function.
4792         (Check_script::is_runnable): New function.
4793         (Check_script::locks): New function.
4794         (Check_script::run): New function.
4795         (Check_library::~Check_library): New function.
4796         (Check_library::is_runnable): New function.
4797         (Check_library::locks): New function.
4798         (Check_library::run): New function.
4799         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
4800         (Add_symbols::library_): New data member.
4801         (class Read_member): New class.
4802         (class Check_script): New class.
4803         (class Check_library): New class.
4804         * reloc.cc (Read_relocs::is_runnable): Allow case where
4805         token == NULL.
4806         (Read_relocs::locks): Likewise.
4807         (Scan_relocs::locks): Likewise.
4808         (Relocate_task::locks): Likewise.
4809         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
4810         to clear counters.
4811         (Sized_relobj::incremental_relocs_scan): Fix comment.
4812         (Sized_relobj::do_relocate): Pass output file offset to
4813         write_local_symbols.
4814         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
4815         from class declaration.
4816         * script.cc (read_input_script): Allocate Script_info; pass
4817         argument serial number to report_script.
4818         * script.h (class Script_info): Move to incremental.h.
4819         * symtab.cc (Symbol_table::add_from_incrobj): New function.
4820         * symtab.h (Symbol_table::add_from_incrobj): New function.
4821         (Symbol_table::set_file_offset): New function.
4822
4823 2011-04-05  Cary Coutant  <ccoutant@google.com>
4824
4825         * incremental-dump.cc (dump_incremental_inputs): Change signature
4826         to take a Sized_incremental_binary; change caller.  Use readers
4827         in Sized_incremental_binary.
4828         * incremental.cc
4829         (Sized_incremental_binary::find_incremental_inputs_sections):
4830         Rename do_find_incremental_inputs_sections to this.
4831         (Sized_incremental_binary::setup_readers): New function.
4832         (Sized_incremental_binary::do_check_inputs): Check
4833         has_incremental_info_ flag; move setup code to setup_readers;
4834         use input readers.
4835         (Sized_incremental_binary::do_file_is_unchanged): New function.
4836         (Sized_incremental_binary::do_get_input_reader): New function.
4837         * incremental.h (class Incremental_binary): Move to end of file.
4838         (Incremental_binary::file_is_unchanged): New function.
4839         (Incremental_binary::do_file_is_unchanged): New function.
4840         (Incremental_binary::Input_reader): New class.
4841         (Incremental_binary::get_input_reader): New function.
4842         (class Sized_incremental_binary): Move to end of file.
4843         (Sized_incremental_binary::Sized_incremental_binary): Setup the
4844         input section reader classes.
4845         (Sized_incremental_binary::has_incremental_info): New function.
4846         (Sized_incremental_binary::inputs_reader): New function.
4847         (Sized_incremental_binary::symtab_reader): New function.
4848         (Sized_incremental_binary::relocs_reader): New function.
4849         (Sized_incremental_binary::got_plt_reader): New function.
4850         (Sized_incremental_binary::do_file_is_unchanged): New function.
4851         (Sized_incremental_binary::Sized_input_reader): New class.
4852         (Sized_incremental_binary::get_input_reader): New function.
4853         (Sized_incremental_binary::find_incremental_inputs_sections):
4854         Rename do_find_incremental_inputs_sections to this.
4855         (Sized_incremental_binary::setup_readers): New function.
4856         (Sized_incremental_binary::has_incremental_info_): New data member.
4857         (Sized_incremental_binary::inputs_reader_): New data member.
4858         (Sized_incremental_binary::symtab_reader_): New data member.
4859         (Sized_incremental_binary::relocs_reader_): New data member.
4860         (Sized_incremental_binary::got_plt_reader_): New data member.
4861         (Sized_incremental_binary::current_input_file_): New data member.
4862
4863 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
4864
4865         PR gold/12640
4866         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
4867         violation.
4868
4869 2011-03-30  Cary Coutant  <ccoutant@google.com>
4870
4871         * archive.cc (Archive::include_member): Adjust call to report_object.
4872         (Add_archive_symbols::run): Add script_info to call to
4873         report_archive_begin.
4874         (Lib_group::include_member): Adjust call to report_object.
4875         (Add_lib_group_symbols::run): Adjust call to report_object.
4876         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
4877         blocks.  Add object count for script input files.
4878         * incremental.cc (Incremental_inputs::report_archive_begin): Add
4879         script_info parameter; change all callers.
4880         (Incremental_inputs::report_object): Add script_info parameter;
4881         change all callers.
4882         (Incremental_inputs::report_script): Store backpointer to
4883         incremental info entry.
4884         (Output_section_incremental_inputs::set_final_data_size): Record
4885         additional information for scripts.
4886         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4887         * incremental.h (Incremental_script_entry::add_object): New function.
4888         (Incremental_script_entry::get_object_count): New function.
4889         (Incremental_script_entry::get_object): New function.
4890         (Incremental_script_entry::objects_): New data member; adjust
4891         constructor.
4892         (Incremental_inputs::report_archive_begin): Add script_info parameter.
4893         (Incremental_inputs::report_object): Add script_info parameter.
4894         (Incremental_inputs_reader::get_object_count): New function.
4895         (Incremental_inputs_reader::get_object_offset): New function.
4896         * options.cc (Input_arguments::add_file): Return reference to
4897         new input argument.
4898         * options.h (Input_argument::set_script_info): New function.
4899         (Input_argument::script_info): New function.
4900         (Input_argument::script_info_): New data member; adjust all
4901         constructors.
4902         (Input_file_group::add_file): Return reference to new input argument.
4903         (Input_file_lib::add_file): Likewise.
4904         (Input_arguments::add_file): Likewise.
4905         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
4906         * script.cc (Parser_closure::Parser_closure): Add script_info
4907         parameter; adjust all callers.
4908         (Parser_closure::script_info): New function.
4909         (Parser_closure::script_info_): New data member.
4910         (read_input_script): Report scripts earlier to incremental info.
4911         (script_add_file): Set script_info in Input_argument.
4912         (script_add_library): Likewise.
4913         * script.h (Script_options::Script_info): Rewrite class.
4914
4915 2011-03-29  Cary Coutant  <ccoutant@google.com>
4916
4917         * archive.cc (Library_base::should_include_member): Move
4918         method here from class Archive.
4919         (Archive::Archive): Initialize base class.
4920         (Archive::should_include_member): Move to base class.
4921         (Archive::do_for_all_unused_symbols): New function.
4922         (Add_archive_symbols::run): Remove redundant access to
4923         incremental_inputs.
4924         (Lib_group::Lib_group): Initialize base class.
4925         (Lib_group::do_filename): New function.
4926         (Lib_group::include_member): Pass pointer to Lib_group to
4927         report_object.
4928         (Lib_group::do_for_all_unused_symbols): New function.
4929         (Add_lib_group_symbols::run): Report archive information for
4930         incremental links.
4931         * archive.h (class Library_base): New base class.
4932         (class Archive): Derive from Library_base.
4933         (Archive::filename): Move to base class.
4934         (Archive::set_incremental_info): Likewise.
4935         (Archive::incremental_info): Likewise.
4936         (Archive::Should_include): Likewise.
4937         (Archive::should_include_member): Likewise.
4938         (Archive::Armap_entry): Remove.
4939         (Archive::Unused_symbol_iterator): Remove.
4940         (Archive::unused_symbols_begin): Remove.
4941         (Archive::unused_symbols_end): Remove.
4942         (Archive::do_filename): New function.
4943         (Archive::do_get_mtime): New function.
4944         (Archive::do_for_all_unused_symbols): New function.
4945         (Archive::task_): Move to base class.
4946         (Archive::incremental_info_): Likewise.
4947         (class Lib_group): Derive from Library_base.
4948         (Lib_group::do_filename): New function.
4949         (Lib_group::do_get_mtime): New function.
4950         (Lib_group::do_for_all_unused_symbols): New function.
4951         (Lib_group::task_): Move to base class.
4952         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
4953         function.
4954         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
4955         function.
4956         * incremental.cc (Incremental_inputs::report_archive_begin):
4957         Use Library_base; call library's get_mtime; add incremental inputs
4958         entry before members.
4959         (class Unused_symbol_visitor): New class.
4960         (Incremental_inputs::report_archive_end): Use Library_base; use
4961         visitor class to record unused symbols; don't add incremental inputs
4962         entry after members.
4963         (Incremental_inputs::report_object): Use Library_base.
4964         * incremental.h
4965         (Incremental_archive_entry::Incremental_archive_entry): Remove
4966         unused Archive parameter.
4967         (Incremental_inputs::report_archive_begin): Use Library_base.
4968         (Incremental_inputs::report_archive_end): Likewise.
4969         (Incremental_inputs::report_object): Likewise.
4970         * object.cc (Sized_relobj::do_for_all_global_symbols): New
4971         function.
4972         * object.h (Object::for_all_global_symbols): New function.
4973         (Object::do_for_all_global_symbols): New function.
4974         (Sized_relobj::do_for_all_global_symbols): New function.
4975         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
4976         function.
4977         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
4978         function.
4979
4980 2011-03-27  Ian Lance Taylor  <iant@google.com>
4981
4982         * archive.cc (Archive::interpret_header): Return -1 if something
4983         goes wrong.  Change callers accordingly.
4984
4985 2011-03-25  Cary Coutant  <ccoutant@google.com>
4986
4987         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
4988         * testsuite/Makefile.in: Regenerate.
4989
4990 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
4991
4992         * plugin.cc (get_view): New.
4993         (Plugin::load): Pass get_view to the plugin.
4994         (Plugin_manager::get_view): New.
4995
4996 2011-03-21  Ian Lance Taylor  <iant@google.com>
4997
4998         * testsuite/final_layout.sh: Rewrite to not use dc.
4999         * testsuite/relro_test.sh: Fail if dc is not present.
5000
5001 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
5002
5003         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
5004         Change == to -eq.
5005         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
5006         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
5007         Change == to -eq.
5008         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
5009         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
5010
5011 2011-03-14  Ian Lance Taylor  <iant@google.com>
5012
5013         * script-sections.cc (Sort_output_sections::script_compare):
5014         Rename from is_before, change return type.
5015         (Sort_output_sections::operator()): Adjust accordingly.
5016
5017 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
5018
5019         PR gold/12572
5020         * testsuite/odr_violation2.cc: Add comment to make all error line
5021         numbers double digits.
5022         * testsuite/debug_msg.sh: Adjust expected errors.
5023
5024 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
5025
5026         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
5027         but mark earlier ones as non-canonical
5028         (offset_to_iterator): Update search target and example
5029         (do_addr2line): Return extra lines in a vector*
5030         (format_file_lineno): Extract from do_addr2line
5031         (one_addr2line): Add vector* out-param
5032         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
5033         when a lineno entry appeared last for its instruction
5034         (Dwarf_line_info): Add vector* out-param
5035         * object.cc (Relocate_info): Pass NULL for the vector* out-param
5036         * symtab.cc (Odr_violation_compare): Include the lineno in the
5037         comparison again.
5038         (linenos_from_loc): New. Combine the canonical line for an
5039         address with its other lines.
5040         (True_if_intersect): New. Helper functor to make
5041         std::set_intersection a query.
5042         (detect_odr_violations): Compare sets of lines instead of just
5043         one line for each function. This became less deterministic, but
5044         has fewer false positives.
5045         * symtab.h: Declarations.
5046         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
5047         mix an optimized and non-optimized object in the same binary
5048         (odr_violation2.so): Same.
5049         * testsuite/Makefile.in: Regenerate from Makefile.am.
5050         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
5051         * testsuite/debug_msg.sh: Update line numbers and add
5052         assertions.
5053         * testsuite/odr_violation1.cc: Use OdrDerived, in a
5054         non-optimized context.
5055         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
5056         isn't inlined, and use OdrDerived in an optimized context.
5057         * testsuite/odr_header1.h: Defines OdrDerived, where
5058         optimization will change the
5059         first-instruction-in-the-destructor's file and line number.
5060         * testsuite/odr_header2.h: Defines OdrBase.
5061
5062 2011-03-09  Ian Lance Taylor  <iant@google.com>
5063
5064         * fileread.cc (File_read::clear_views): Don't delete the whole
5065         file view.
5066
5067 2011-03-08  Ian Lance Taylor  <iant@google.com>
5068
5069         PR gold/12525
5070         * fileread.cc: #include <climits>.
5071         (GOLD_IOV_MAX): Define.
5072         (File_read::read_multiple): Limit number of entries by iov_max.
5073         * fileread.h (class File_read): Always set max_readv_entries to
5074         128.
5075
5076 2011-03-07  Ian Lance Taylor  <iant@google.com>
5077
5078         PR gold/12525
5079         * options.h (class General_options): Add -dy and -dn.
5080
5081 2011-03-02  Cary Coutant  <ccoutant@google.com>
5082
5083         * testsuite/script_test_9.t: Add TLS segment.
5084
5085 2011-03-02  Simon Baldwin  <simonb@google.com>
5086
5087         * configure.ac: Add check for gnu_indirect_function support in
5088         the toolchain building binutils.
5089         * configure: Rebuild.
5090
5091 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
5092
5093         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
5094         plugin only symbols.
5095         (Symbol_table::sized_finalize_symbol) Mark symbol only present
5096         in plugin files as not needed in the symbol table.
5097
5098 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
5099
5100         * output.cc (Output_section::add_input_section): Delay fill
5101         generation for section ordering.
5102
5103 2011-02-09  Ian Lance Taylor  <iant@google.com>
5104
5105         PR gold/12316
5106         * object.h (class Sized_relobj): Remove clear_local_symbols.
5107         * reloc.cc (Sized_relobj::do_relocate): Don't call
5108         clear_local_symbols.
5109
5110 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
5111
5112         * plugin.cc (is_visible_from_outside): Return true for symbols
5113         in the -u option.
5114
5115 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
5116
5117         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
5118         filename.
5119
5120 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
5121
5122         * icf.h (is_section_foldable_candidate): Change type of parameter
5123         to std::string.
5124         * icf.cc (Icf::find_identical_sections): Change type of local variable
5125         section_name to be std::string.
5126         (is_function_ctor_or_dtor): Change type of parameter to std::string.
5127
5128 2011-01-25  Ian Lance Taylor  <iant@google.com>
5129
5130         * script.cc (script_add_extern): Rewrite to use
5131         add_symbol_reference.
5132
5133 2011-01-25  Doug Kwan  <dougkwan@google.com>
5134
5135         * icf.cc (get_section_contents): Always lock section's object.
5136
5137 2011-01-24  Ian Lance Taylor  <iant@google.com>
5138
5139         * options.h (class General_options): Accept
5140         --no-detect-odr-violations.
5141
5142 2011-01-24  Ian Lance Taylor  <iant@google.com>
5143
5144         * version.cc (version_string): Bump to 1.11.
5145
5146 2011-01-24  Ian Lance Taylor  <iant@google.com>
5147
5148         * plugin.cc (class Plugin_rescan): Define new class.
5149         (Plugin_manager::claim_file): Set any_claimed_.
5150         (Plugin_manager::save_archive): New function.
5151         (Plugin_manager::save_input_group): New function.
5152         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
5153         necessary.
5154         (Plugin_manager::new_undefined_symbol): New function.
5155         (Plugin_manager::rescan): New function.
5156         (Plugin_manager::rescannable_defines): New function.
5157         (Plugin_manager::add_input_file): Set any_added_.
5158         * plugin.h (class Plugin_manager): define new fields rescannable_,
5159         undefined_symbols_, any_claimed_, and any_added_.  Declare
5160         Plugin_rescan as friend.  Declare new functions.
5161         (Plugin_manager::Rescannable): Define type.
5162         (Plugin_manager::Rescannable_list): Define type.
5163         (Plugin_manager::Undefined_symbol_list): Define type.
5164         (Plugin_manager::Plugin_manager): Initialize new fields.
5165         * archive.cc (Archive::defines_symbol): New function.
5166         (Add_archive_symbols::run): Pass archive to plugins if any.
5167         * archive.h (class Archive): Declare defines_symbol.
5168         * readsyms.cc (Input_group::~Input_group): New function.
5169         (Finish_group::run): Pass input_group to plugins if any.
5170         * readsyms.h (class Input_group): Declare destructor.
5171         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
5172         any.
5173
5174 2011-01-10  Ian Lance Taylor  <iant@google.com>
5175
5176         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
5177         section as relro.
5178         (Layout::set_segment_offsets): Reset increase_relro before calling
5179         set_section_addresses a second time.
5180
5181 2011-01-04  Cary Coutant  <ccoutant@google.com>
5182
5183         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
5184         sections before NOBITS sections.
5185
5186 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
5187
5188         * version.cc (print_version): Update copyright to 2011.
5189
5190 2010-12-23  Cary Coutant  <ccoutant@google.com>
5191
5192         * output.h (Output_data_reloc::add_output_section): Pass OD instead
5193         of OS to this->add.  Add OD parameter to second form of the function.
5194
5195 2010-12-20  Ian Lance Taylor  <iant@google.com>
5196
5197         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
5198         second of two consecutive entries with same offset.
5199
5200 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5201
5202         * testsuite/Makefile.am (ifuncmain2static_LDADD)
5203         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
5204         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
5205         to avoid unneeded links against $(LDADD).
5206         * testsuite/Makefile.in: Regenerate.
5207
5208 2010-12-15  Ian Lance Taylor  <iant@google.com>
5209
5210         PR gold/12324
5211         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
5212         for R_X86_64_32 and R_X86_64_PC32.
5213         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
5214         ver_matching_def_pic.o.
5215         (ver_matching_def_pic.o): New target.
5216
5217 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5218
5219         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
5220         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
5221         Move definition before File_read::View member definitions.
5222         (File_read::View::~View): Initialize and hold lock before
5223         updating current_mapped_bytes.
5224
5225 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5226
5227         * dwarf_reader.cc: Remove outdated comment.
5228         * gold-threads.cc: Fix typo in error message.
5229         * archive.cc: Fix typos in comments.
5230         * archive.h: Likewise.
5231         * arm-reloc-property.cc: Likewise.
5232         * arm-reloc-property.h: Likewise.
5233         * arm-reloc.def: Likewise.
5234         * arm.cc: Likewise.
5235         * attributes.h: Likewise.
5236         * cref.cc: Likewise.
5237         * ehframe.cc: Likewise.
5238         * fileread.h: Likewise.
5239         * gold.h: Likewise.
5240         * i386.cc: Likewise.
5241         * icf.cc: Likewise.
5242         * incremental.h: Likewise.
5243         * int_encoding.cc: Likewise.
5244         * layout.h: Likewise.
5245         * main.cc: Likewise.
5246         * merge.h: Likewise.
5247         * object.cc: Likewise.
5248         * object.h: Likewise.
5249         * options.cc: Likewise.
5250         * readsyms.cc: Likewise.
5251         * reduced_debug_output.cc: Likewise.
5252         * reloc.cc: Likewise.
5253         * script-sections.cc: Likewise.
5254         * sparc.cc: Likewise.
5255         * symtab.h: Likewise.
5256         * target-reloc.h: Likewise.
5257         * target.cc: Likewise.
5258         * target.h: Likewise.
5259         * timer.cc: Likewise.
5260         * timer.h: Likewise.
5261         * x86_64.cc: Likewise.
5262
5263 2010-12-09  Cary Coutant  <ccoutant@google.com>
5264
5265         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
5266         stack.
5267         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
5268         parameter; change all callers.
5269         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
5270         * options.h (warn_execstack): New option.
5271
5272 2010-12-07  Doug Kwan  <dougkwan@google.com>
5273
5274         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
5275         like function call relocations.
5276
5277 2010-12-07  Ian Lance Taylor  <iant@google.com>
5278
5279         * archive.cc (Archive::get_elf_object_for_member): Permit
5280         punconfigured to be NULL.
5281         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
5282         (Archive::include_member): Pass NULL to get_elf_object_for_member
5283         if we searched for the archive and this is the first included
5284         object.
5285
5286 2010-12-01  Ian Lance Taylor  <iant@google.com>
5287
5288         * dwarf_reader.h (class Sized_dwarf_line_info): Add
5289         track_relocs_type_ field.
5290         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5291         Set track_relocs_type_.
5292         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
5293         contents when using RELA relocs.
5294         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
5295         reloc_map_.
5296         * reloc.cc (Track_relocs::next_addend): New function.
5297         * reloc.h (class Track_relocs): Declare next_addend.
5298
5299 2010-12-01  Ian Lance Taylor  <iant@google.com>
5300
5301         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
5302         virtual destructor.
5303
5304 2010-12-01  Ian Lance Taylor  <iant@google.com>
5305
5306         * README: Update compilers known to work and fail.
5307
5308 2010-11-23  Matthias Klose  <doko@ubuntu.com>
5309
5310         * configure.in: For --enable-gold, handle value `default' instead of
5311         `both*'.  Always install ld as ld.bfd, install as ld if gold is
5312         not the default.
5313         * configure: Regenerate.
5314
5315 2010-11-18  Doug Kwan  <dougkwan@google.com>
5316
5317         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
5318         and right_alignment to be zero.  Store result alignment only if it is
5319         greater than existing alignment.
5320
5321 2010-11-16  Cary Coutant  <ccoutant@google.com>
5322
5323         PR gold/12220
5324         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5325         Check for ".zdebug_line".
5326
5327 2010-11-16  Doug Kwan  <dougkwan@google.com>
5328             Cary Coutant  <ccoutant@google.com>
5329
5330         * output.h (Output_segment::set_section_addresses): Pass increase_relro
5331         by reference; adjust all callers.
5332         * output.cc (Output_segment::set_section_addresses): Adjust references
5333         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
5334         list is empty.
5335         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
5336         end at page boundary.
5337
5338 2010-11-16  Cary Coutant  <ccoutant@google.com>
5339
5340         PR gold/12220
5341         * layout.cc (Layout::choose_output_section): Transform names of
5342         compressed sections even when using a script with a SECTIONS clause.
5343         (Layout::output_section_name): Remove code to transform
5344         compressed debug section names.
5345         * output.cc (Output_section::add_input_section): Use uncompressed
5346         section size when tracking input sections.
5347
5348 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
5349
5350         * symtab.h (Symbol::NON_PIC_REF): Remove.
5351         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
5352         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
5353         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
5354         (Symbol::use_plt_offset): Take a flags argument and pass it
5355         directly to needs_dynamic_reloc.  Restrict check for undefined
5356         weak symbols to function calls.
5357         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
5358         (Target_arm::Scan::global): Use it.
5359         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
5360         (Target_arm::Relocate::relocate): Likewise.
5361         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
5362         parameter with an r_type parameter.  Use get_reference_flags
5363         to get the flags.
5364         (Target_arm::Relocate::relocate): Update accordingly.
5365         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
5366         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
5367         (Target_i386::Scan::global): Likewise.
5368         (Target_i386::Relocate::relocate): Likewise.
5369         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
5370         parameter with an r_type parameter.  Use get_reference_flags
5371         to get the flags.
5372         (Target_i386::Relocate::relocate): Update accordingly.
5373         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
5374         (Target_powerpc::Scan::global): Use it.
5375         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
5376         (Target_powerpc::Relocate::relocate): Likewise.
5377         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
5378         (Target_sparc::Scan::global): Use it.
5379         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
5380         (Target_sparc::Relocate::relocate): Likewise.
5381         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
5382         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
5383         (Target_x86_64::Scan::global): Likewise.
5384         (Target_x86_64::Relocate::relocate): Likewise.
5385
5386 2010-11-08  Doug Kwan  <dougkwan@google.com>
5387             Cary Coutant  <ccoutant@google.com>
5388
5389         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
5390         (Arm_exidx_merge_section::section_contents_): New data member.
5391         (Arm_input_section::Arm_input_section): Initialize original_contents_.
5392         (Arm_input_section::~Arm_input_section): De-allocate memory.
5393         (Arm_input_section::original_contents_): New data member.
5394         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
5395         in parameters instead of calling Object::section_contents without
5396         locking.
5397         (Arm_output_section::group_section): New parameter TASK.  Pass it
5398         to callees that need locking objects.
5399         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
5400         to lock EXIDX input sections.  Fix a formatting issue.  Call
5401         Arm_exidx_merged_section::build_contents to create merged section
5402         contents.
5403         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
5404         to lock object of stub table owner.
5405         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
5406         TEXT_SIZE to initialize data member TEXT_SIZE_.
5407         (Arm_exidx_input_section::addralign): Fix typo in comment.
5408         (Arm_exidx_input_section::text_size): New method.
5409         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
5410         that require locking objects.  Lock objects before scanning for stubs
5411         and updating local symbols.
5412         (Arm_input_section<big_endian>::init): Copy contents of original
5413         input section.
5414         (Arm_input_section<big_endian>::do_write): Use saved contents of
5415         original input section instead of calling Object::section_contents
5416         without locking.
5417         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
5418         size without calling Object::section_size().
5419         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
5420         for size.  Allocate a buffer for merged EXIDX entries.
5421         (Arm_exidx_merged_section::build_contents): New method.
5422         (Arm_exidx_merged_section::do_write): Move merge section contents
5423         building code to Arm_exidx_merged_section::build_contetns.  Write
5424         out contetns in buffer instead of building it on the fly.
5425         (Arm_relobj::make_exidx_input_section): Also pass text section size
5426         to Arm_exidx_input_section constructor.
5427         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
5428         (Arm_dynobj::do_read_symbols): Fix memory leak.
5429         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
5430         * target.h: (class Task): Add forward declaration.
5431         (Target::relax): Add new parameter TASK and pass it to
5432         Target::do_relax().
5433         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
5434
5435 2010-11-05  Cary Coutant  <ccoutant@google.com>
5436
5437         PR gold/10708
5438         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
5439         object when reading from the file.
5440         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
5441         second layout pass.
5442         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
5443         when reading section contents.
5444         (get_section_contents): Likewise.
5445         (icf::find_identical_sections): Likewise.
5446         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
5447         object when reading from the file.
5448         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
5449         the object when doing deferred section layout.
5450
5451 2010-11-03  Nick Clifton  <nickc@redhat.com>
5452
5453         PR gold/12001
5454         * script.h (class Symbol_assignment: name): New member.  Returns
5455         the name of the symbol.
5456         * scrfipt.cc (Script_options::is_pending_assignment): New member.
5457         Returns true if the given symbol name is on the list of
5458         assignments wating to be processed.
5459         * archive.cc (should_incldue_member): If the symbol is undefined,
5460         check to see if it is on the list of symbols pending assignment.
5461
5462 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
5463
5464         * script-sections.cc (Script_sections::find_memory_region): Check
5465         for a NULL output section pointer.
5466
5467 2010-10-29  Doug Kwan  <dougkwan@google.com>
5468
5469         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
5470         Output_section::add_relaxed_input_section.
5471         * output.cc (Output_section::add_relaxed_input_section): Add new
5472         arguments LAYOUT and NAME.  Set section order index.
5473         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5474         Copy section order index.
5475         * output.h (Output_section::add_relaxed_input_section): Add new
5476         arguments LAYOUT and NAME.
5477
5478 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5479
5480         * testsuite/Makefile.am: Move gcctestdir/ld rule to
5481         NATIVE_OR_CROSS_LINKER.
5482         * testsuite/Makefile.in: Regenerate.
5483
5484 2010-10-20  Doug Kwan  <dougkwan@google.com>
5485
5486         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
5487         without SHF_LINK_ORDER flags.
5488         * layout.cc (Layout::choose_output_section): Do not filter
5489         SHF_LINK_ORDER flag in a relocatable link.
5490
5491 2010-10-17  Cary Coutant  <ccoutant@google.com>
5492
5493         * output.h (Output_segment::set_section_addresses): Change function
5494         signature.  Update all callers.
5495         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
5496         sections.
5497         (Output_segment::set_section_addresses): Align after last TLS
5498         section.  Add padding before last relro section instead of after.
5499
5500 2010-10-17  Doug Kwan  <dougkwan@google.com>
5501
5502         * gold/arm.cc (Target_arm::got_section): Use correct order and set
5503         GOT output section to be writable.
5504
5505 2010-10-14  Cary Coutant  <ccoutant@google.com>
5506
5507         * debug.h (DEBUG_INCREMENTAL): New flag.
5508         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
5509         * gold.cc (queue_initial_tasks): Check parameters for incremental link
5510         mode.
5511         * incremental.cc (report_command_line): Ignore all forms of
5512         --incremental.
5513         * layout.cc (Layout::Layout): Check parameters for incremental link
5514         mode.
5515         * options.cc (General_options::parse_incremental): New function.
5516         (General_options::parse_no_incremental): New function.
5517         (General_options::parse_incremental_full): New function.
5518         (General_options::parse_incremental_update): New function.
5519         (General_options::incremental_mode_): New data member.
5520         (General_options::finalize): Check incremental_mode_.
5521         * options.h (General_options): Update help text for --incremental.
5522         Add --no-incremental, --incremental-full, --incremental-update.
5523         (General_options::Incremental_mode): New enum type.
5524         (General_options::incremental_mode): New function.
5525         (General_options::incremental_mode_): New data member.
5526         * parameters.cc (Parameters::incremental_mode_): New data member.
5527         (Parameters::set_options): Set incremental_mode_.
5528         (Parameters::set_incremental_full): New function.
5529         (Parameters::incremental): New function.
5530         (Parameters::incremental_update): New function.
5531         (set_parameters_incremental_full): New function.
5532         * parameters.h (Parameters::set_incremental_full): New function.
5533         (Parameters::incremental): New function.
5534         (Parameters::incremental_update): New function.
5535         (Parameters::incremental_mode_): New data member.
5536         (set_parameters_incremental_full): New function.
5537         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
5538         incremental link mode.
5539         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
5540         (Sized_relobj::do_relocate_sections): Likewise.
5541         * testsuite/Makefile.am (incremental_test): Use --incremental-full
5542         option.
5543         * testsuite/Makefile.in: Regenerate.
5544         * testsuite/incremental_test.sh: Filter all forms of --incremental.
5545
5546 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5547
5548         * script-sections.h (class Script_sections): Make
5549         Sections_elements typedef public.
5550         * script-sections.cc (class Sort_output_sections): Add elements_
5551         field.  Add constructor which sets it; change all callers.
5552         (Sort_output_sections::is_before): New function.
5553         (Sort_output_sections::operator()): Call is_before.
5554         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
5555         conditional.
5556         * testsuite/script_test_10.sh: New test. Test script section
5557         order.
5558         * testsuite/script_test_10.t: Likewise.
5559         * testsuite/script_test_10.s: Likewise.
5560         * testsuite/Makefile.am: Wrap the cross linker tests and the
5561         common tests into NATIVE_OR_CROSS_LINKER.
5562         (check_SCRIPTS): Add script_test_10.sh.
5563         (check_DATA): Add script_test_10.stdout.
5564         (script_test_10.o, script_test_10): New targets.
5565         (script_test_10.stdout): New target.
5566         * configure, testsuite/Makefile.in: Regenerate.
5567
5568 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5569
5570         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
5571         error for the deprecated relocations.
5572         (Target_arm::Scan::global): Likewise.
5573         (Target_arm::Relocate::relocate): Likewise.
5574
5575 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
5576
5577         * fileread.cc (Input_file::find_file): Initialize *found_name
5578         and *namep when using the fallback search for case 4.
5579
5580 2010-10-11  Cary Coutant  <ccoutant@google.com>
5581
5582         * options.h (class General_options): Redefine -z lazy as an alias for
5583         the negation of -z now.
5584
5585 2010-10-11  Ian Lance Taylor  <iant@google.com>
5586
5587         * resolve.cc (symbol_to_bits): Report the value of the unsupported
5588         binding.
5589
5590 2010-10-06  Nick Clifton  <nickc@redhat.com>
5591
5592         * script-sections.cc(class Memory_region): Remove
5593         current_lma_offset_ field.  Rename current_vma_offset_ to
5594         current_offset_.  Add last_section_ field.
5595         (Memory_region::get_current_vma_address): Rename to
5596         get_current_address.
5597         (Memory_region::get_current_lma_address): Delete.
5598         (Memory_region::increment_vma_offset): Rename to
5599         increment_offset.
5600         (Memory_region::increment_lma_offset): Delete.
5601         (Memory_region::attributes_compatible): New method.  Returns
5602         true if the provided section is compatible with the region.
5603         (Memory_region::get_last_section): New method.  Returns the last
5604         section to use the region.
5605         (Memory_region::set_last_section): New method.  Stores the last
5606         section to use the region.
5607         (Script_sections::block_in_region): New method.  Returns true if
5608         a block of memory is contained within a region.
5609         (Script_sections::find_memory_region): New method.  Locates a
5610         memory region to be used to set a VMA or LMA address.
5611         (Output_section_definition::set_section_addresses): Add code to
5612         check for addresses set by memory regions.
5613         (Output_segment::set_section_addresses): Remove memory region
5614         walking code.
5615         (Script_sections::create_segment): Add a warning if a header
5616         segment is created outside of any region.
5617         * script-sections.h (class Script_sections): Add prototypes for
5618         find_memory_region and block_in_region methods.
5619         * testsuite/memory_test.s: Use .long instead of .word.
5620         * testsuite/memory_test.t: Add some more output sections.
5621         * testsuite/memory_test.sh: Update expected output.
5622
5623 2010-10-02  Doug Kwan  <dougkwan@google.com>
5624
5625         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
5626         defintion to symtab.h
5627         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
5628         declaration to defintion.
5629
5630 2010-10-01  Nick Clifton  <nickc@redhat.com>
5631
5632         * expression.cc (eval): Replace dummy argument with NULL.
5633         (eval_maybe_dot): Check for a NULL result section pointer.
5634         (Symbol_expression::value): Likewise.
5635         (Dot_expression::value): Likewise.
5636         (BINARY_EXPRESSION): Likewise.
5637         (Max_expression::value): Likewise.
5638         (Min_expression::value): Likewise.
5639         (Absolute_expression::value): Likewise.
5640         (Addr_expression::value_from_output_section): Likewise.
5641         (Loaddddr_expression::value_from_output_section): Likewise.
5642         (Segment_start_expression::value): Likewise.
5643         * script-sections.cc
5644         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
5645         argument with NULL.
5646         (Sections_elememt_dot_assignment::set_section_addresses):
5647         Likewise.
5648         (Output_data_expression::do_write_to_buffer): Likewise.
5649         (Output_section_definition::finalize_symbols): Likewise.
5650         (Output_section_definition::set_section_addresses): Likewise.
5651
5652 2010-09-30  Doug Kwan  <dougkwan@google.com>
5653
5654         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
5655
5656 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
5657
5658         * target.h (Target::can_icf_inline_merge_sections): New virtual
5659         function.
5660         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
5661         virtual function.
5662         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
5663         virtual function.
5664         * icf.cc (get_section_contents): Inline merge sections only when
5665         target allows it.
5666
5667 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5668
5669         * configure: Regenerate.
5670
5671 2010-09-17  Ian Lance Taylor  <iant@google.com>
5672
5673         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
5674         * testsuite/Makefile.am (memory_test.o): New target.
5675         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
5676         memory_test.t.
5677         * testsuite/Makefile.in: Rebuild.
5678
5679 2010-09-17  Doug Kwan  <dougkwan@google.com>
5680
5681         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
5682         defintion if relocation uses GOT entries of the symbol.
5683         * testsuite/icf_safe_test.sh: Fix test.
5684         * testsuite/icf_safe_so_test.sh: Fix test.
5685
5686 2010-09-16  Cary Coutant  <ccoutant@google.com>
5687
5688         * script_sections.cc (class Memory_region): Remove "NULL" from
5689         vector initializations.
5690
5691 2010-09-15  Cary Coutant  <ccoutant@google.com>
5692
5693         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
5694         Resolve forwarding symbols.
5695
5696 2010-09-15  Doug Kwan  <dougkwan@google.com>
5697
5698         * gold/testsuite/script_test_3.t: Add ARM special sections.
5699         * gold/testsuite/script_test_4.t: Same.
5700         * gold/testsuite/script_test_5.t: Same.
5701         * gold/testsuite/script_test_6.t: Same.
5702         * gold/testsuite/script_test_7.t: Same.
5703         * gold/testsuite/script_test_7.t: Same.
5704         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
5705
5706 2010-09-14  Cary Coutant  <ccoutant@google.com>
5707
5708         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
5709         (Target_x86_64::Relocate::relocate_tls): Replace check for
5710         saw_tls_block_reloc_ with test for executable section.
5711
5712 2010-09-12  Cary Coutant  <ccoutant@google.com>
5713
5714         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
5715         position-independent executables to shared libraries need dynamic
5716         relocations.
5717         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
5718         position-independent executables.
5719         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
5720         * testsuite/Makefile.in: Regenerate.
5721
5722 2010-09-10  Nick Clifton  <nickc@redhat.com>
5723
5724         PR gold/11997
5725         * testsuite/memory_test.t: Discard any sections that are not
5726         needed.
5727
5728 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
5729
5730         PR gold/11996
5731         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
5732         "This::" to work around a bug in gcc 4.2.
5733
5734         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
5735
5736 2010-09-09  Rafael Espindola  <espindola@google.com>
5737
5738         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
5739         sections with different PF_X flags in the same segment.
5740         (Layout::find_first_load_seg): Search all segments to find the first
5741         one.
5742         * options.h (rosegment): New.
5743
5744 2010-09-08  Rafael Espindola  <espindola@google.com>
5745
5746         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
5747
5748 2010-09-08  Doug Kwan  <dougkwan@google.com>
5749
5750         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
5751         (Arm_relobj::do_relocate_sections): Add new parameter for output
5752         file to match the parent.
5753         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
5754         of local symbols instead of input values.  Update code to track
5755         changes in gold::relocate_section.
5756         * object.cc (Sized_relobj::compute_final_local_value): New methods.
5757         (Sized_relobj::compute_final_local_value_internal): New methods.
5758         (Sized_relobj::do_finalize_local_symbols): Move code from loop
5759         body into private version of Sized_relobj::compute_final_local_value.
5760         Call the inline method.
5761         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
5762         merged symbol value if there is one.
5763         (Symbol_value::has_output_value): New method defintiion.
5764         (Sized_relobj::Compute_final_local_value_status): New enum type.
5765         (Sized_relobj::compute_final_local_value): New methods.
5766         (Sized_relobj::compute_final_local_value_internal): New methods.
5767         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
5768         and arm_cortex_a8.sh.
5769         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
5770         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
5771         New tests.
5772         * Makefile.in: Regenerate.
5773         * testsuite/arm_bl_out_of_range.s: Update test.
5774         * testsuite/thumb_bl_out_of_range.s: Ditto.
5775         * testsuite/thumb_blx_out_of_range.s: Ditto.
5776         * testsuite/arm_branch_out_of_range.sh: New file.
5777         * testsuite/arm_cortex_a8.sh: Ditto.
5778         * testsuite/arm_cortex_a8_b.s: Ditto.
5779         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
5780         * testsuite/arm_cortex_a8_b_local.s: Ditto.
5781         * testsuite/arm_cortex_a8_bl.s: Ditto.
5782         * testsuite/arm_cortex_a8_blx.s: Ditto.
5783         * testsuite/arm_cortex_a8_local.s: Ditto.
5784         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
5785         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
5786
5787 2010-09-08  Rafael Espindola  <espindola@google.com>
5788
5789         * Makefile.am (memory_test.stdout): Run readelf with -W.
5790         * Makefile.in: Regenerate.
5791         * testsuite/memory_test.sh: Make the regexps accept both 32 and
5792         64 bit output.
5793
5794 2010-09-08  Rafael Espindola  <espindola@google.com>
5795
5796         * script-sections.cc (Script_sections::add_memory_region): Convert
5797         field precision to int.
5798         * script.cc (script_set_section_region, script_set_section_region):
5799         Convert field precision to int.
5800
5801 2010-09-08  Rafael Espindola  <espindola@google.com>
5802
5803         * arm.cc (do_finalize_sections): Create the __exidx_start and
5804         __exdix_end symbols even when the section is missing.
5805
5806 2010-09-08  Nick Clifton  <nickc@redhat.com>
5807
5808         * README: Remove claim that MEMORY is not supported.
5809         * expression.cc (script_exp_function_origin)
5810         (script_exp_function_length): Move from here to ...
5811         * script.cc: ... here.
5812         (script_set_section_region, script_add_memory)
5813         (script_parse_memory_attr, script_include_directive): New
5814         functions.
5815         * script-sections.cc
5816         (class Memory_region): New class.
5817         (class Output_section_definition): Add set_memory_region,
5818         set_section_vma, set_section_lma and get_section_name methods.
5819         (class Script_Sections): Add add_memory_region,
5820         find_memory_region, find_memory_region_origin,
5821         find_memory_region_length and set_memory_region methods.
5822         Have set_section_addresses method walk the list of set memory
5823         regions.
5824         Extend the print methos to display memory regions.
5825         * script-sections.h: Add prototypes for new methods.
5826         Add enum for MEMORY region attributes.
5827         * yyscript.y: Add support for parsing MEMORY regions.
5828         * script-c.h: Add prototypes for new functions.
5829         * testsuite/Makefile.am: Add test of MEMORY region functionality.
5830         * testsuite/Makefile.in: Regenerate.
5831         * testsuite/memory_test.sh: New script.
5832         * testsuite/memory_test.s: New assembler source file.
5833         * testsuite/memory_test.t: New linker script.
5834
5835 2010-08-27  Doug Kwan  <dougkwan@google.com>
5836
5837         * gold/resolve.cc (Symbol_table::should_override): Let a weak
5838         reference override an existing dynamic weak reference.
5839         * testsuite/Makefile.am: Add new test dyn_weak_ref.
5840         * testsuite/Makefile.in: Regenerate.
5841         * testsuite/dyn_weak_ref.sh: New file.
5842         * testsuite/dyn_weak_ref_1.c: Ditto.
5843         * testsuite/dyn_weak_ref_2.c: Ditto.
5844
5845 2010-08-27  Ian Lance Taylor  <iant@google.com>
5846
5847         * incremental.h (class Incremental_input_entry): Add virtual
5848         destructor.
5849
5850 2010-08-27  Ian Lance Taylor  <iant@google.com>
5851
5852         * testsuite/start_lib_test_3.c: Mark t3 as used.
5853
5854 2010-08-27  Nick Clifton  <nickc@redhat.com>
5855
5856         * options.cc (version_script): Fix small typo in previous
5857         whitespace tidyup.
5858
5859 2010-08-25  Nick Clifton  <nickc@redhat.com>
5860
5861         * archive.cc: Formatting fixes: Remove whitespace between
5862         typename and following asterisk.  Remove whitespace between
5863         function name and opening parenthesis.
5864         * archive.h: Likewise.
5865         * arm.cc: Likewise.
5866         * attributes.cc: Likewise.
5867         * attributes.h: Likewise.
5868         * common.cc: Likewise.
5869         * copy-relocs.cc: Likewise.
5870         * dirsearch.h: Likewise.
5871         * dynobj.cc: Likewise.
5872         * ehframe.cc: Likewise.
5873         * ehframe.h: Likewise.
5874         * expression.cc: Likewise.
5875         * fileread.cc: Likewise.
5876         * fileread.h: Likewise.
5877         * gc.h: Likewise.
5878         * gold-threads.cc: Likewise.
5879         * gold.cc: Likewise.
5880         * i386.cc: Likewise.
5881         * icf.h: Likewise.
5882         * incremental-dump.cc: Likewise.
5883         * incremental.cc: Likewise.
5884         * layout.cc: Likewise.
5885         * layout.h: Likewise.
5886         * main.cc: Likewise.
5887         * merge.cc: Likewise.
5888         * merge.h: Likewise.
5889         * object.cc: Likewise.
5890         * object.h: Likewise.
5891         * options.cc: Likewise.
5892         * options.h: Likewise.
5893         * output.cc: Likewise.
5894         * output.h: Likewise.
5895         * plugin.cc: Likewise.
5896         * plugin.h: Likewise.
5897         * powerpc.cc: Likewise.
5898         * reloc.cc: Likewise.
5899         * script-c.h: Likewise.
5900         * script-sections.cc: Likewise.
5901         * script.cc: Likewise.
5902         * stringpool.cc: Likewise.
5903         * symtab.cc: Likewise.
5904         * symtab.h: Likewise.
5905         * target.cc: Likewise.
5906         * timer.cc: Likewise.
5907         * timer.h: Likewise.
5908         * version.cc: Likewise.
5909         * x86_64.cc: Likewise.
5910
5911 2010-08-24  Nick Clifton  <nickc@redhat.com>
5912
5913         PR 11899
5914         * layout.cc (segment_precedes): Sort segments by their physical
5915         addresses, if they have been set.
5916
5917 2010-08-23  Cary Coutant  <ccoutant@google.com>
5918
5919         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
5920         symbols data.
5921         (Lib_group::include_member): Unlock object after deleting its
5922         symbols data.
5923         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
5924         the bug fixed here.
5925
5926 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
5927             Cary Coutant  <ccoutant@google.com>
5928
5929         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
5930         constructor, and set_blocker.
5931         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
5932         readsyms_blocker_.
5933         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
5934         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
5935         * testsuite/Makefile.am (start_lib_test): New test case.
5936         * testsuite/Makefile.in: Regenerate.
5937         * testsuite/start_lib_test_main.c: New file.
5938         * testsuite/start_lib_test_1.c: New file.
5939         * testsuite/start_lib_test_2.c: New file.
5940         * testsuite/start_lib_test_3.c: New file.
5941
5942 2010-08-19  Ian Lance Taylor  <iant@google.com>
5943
5944         * Makefile.in: Rebuild with automake 1.11.1.
5945         * aclocal.m4: Likewise.
5946         * testsuite/Makefile.in: Likewise.
5947
5948 2010-08-19  Ian Lance Taylor  <iant@google.com>
5949
5950         PR 10893
5951         * i386.cc (class Output_data_plt_i386): Update declarations.
5952         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
5953         local_ifuncs_ fields.
5954         (Target_i386::do_plt_section_for_global): New function.
5955         (Target_i386::do_plt_section_for_local): New function.
5956         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
5957         parameter; change all callers.  Initialize global_ifuncs_ and
5958         local_ifuncs_.  If doing a static link define __rel_iplt_start and
5959         __rel_iplt_end.
5960         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
5961         (Output_data_plt_i386::add_local_ifunc_entry): New function.
5962         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
5963         symbols.
5964         (Target_i386::make_plt_section): New function, broken out of
5965         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
5966         (Target_i386::make_plt_entry): Call make_plt_section.
5967         (Target_i386::make_local_ifunc_plt_entry): New function.
5968         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
5969         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
5970         R_386_IRELATIVE to switch.
5971         (Target_i386::Scan::global): Likewise.
5972         (Target_i386::Relocate::relocate): Likewise.
5973         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
5974         switch.
5975         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
5976         (Target_x86_64::do_plt_section_for_global): New function.
5977         (Target_x86_64::do_plt_section_for_local): New function.
5978         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
5979         parameter; change all callers.  If doing a static link define
5980         __rela_iplt_start and __rela_iplt_end.
5981         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
5982         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
5983         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
5984         to point to .plt.
5985         (Target_x86_64::make_local_ifunc_plt_entry): New function.
5986         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
5987         switch.
5988         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
5989         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
5990         R_X86_64_IRELATIVE to switch.
5991         (Target_x86_64::Scan::global): Likewise.
5992         (Target_x86_64::Relocate::relocate): Likewise.
5993         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
5994         switch.
5995         * target.h (class Target): Add plt_section_for_global and
5996         plt_section_for_local functions.  Add do_plt_section_for_global
5997         and do_plt_section_for_local virtual functions.
5998         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
5999         clarifying comments.
6000         (Symbol::use_plt_offset): Handle IFUNC symbol.
6001         * object.cc (Sized_relobj::Sized_relobj): Initialize
6002         local_plt_offsets_.
6003         (Sized_relobj::local_has_plt_offset): New function.
6004         (Sized_relobj::local_plt_offset): New function.
6005         (Sized_relobj::set_local_plt_offset): New function.
6006         (Sized_relobj::do_count): Handle IFUNC symbol.
6007         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
6008         a bit away from input_shndx_ field.  Add set_is_func_symbol and
6009         is_ifunc_symbol functions.
6010         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
6011         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
6012         local_plt_offsets_ field.
6013         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
6014         * output.h (class Output_section_data): Add non-const
6015         output_section function.
6016         (class Output_data_got): Update declarations.
6017         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
6018         Add use_plt_offset parameter to global and local constructors.
6019         Change all callers.  Change local_sym_index_ field to 31 bits.
6020         Change GSYM_CODE and CONSTANT_CODE accordingly.
6021         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
6022         doing a static link don't set sh_link field.
6023         (Output_data_got::Got_entry::write): Use PLT offset if
6024         appropriate.
6025         (Output_data_got::add_global_plt): New function.
6026         (Output_data_got::add_local_plt): New function.
6027         * target-reloc.h (relocate_section): Handle IFUNC symbol.
6028         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
6029         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
6030         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
6031         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
6032         IFUNC conditional.
6033         * testsuite/ifunc-sel.h: New file.
6034         * testsuite/ifuncmain1.c: New file.
6035         * testsuite/ifuncmain1vis.c: New file.
6036         * testsuite/ifuncmod1.c: New file.
6037         * testsuite/ifuncdep2.c: New file.
6038         * testsuite/ifuncmain2.c: New file.
6039         * testsuite/ifuncmain3.c: New file.
6040         * testsuite/ifuncmod3.c: New file.
6041         * testsuite/ifuncmain4.c: New file.
6042         * testsuite/ifuncmain5.c: New file.
6043         * testsuite/ifuncmod5.c: New file.
6044         * testsuite/ifuncmain6pie.c: New file.
6045         * testsuite/ifuncmod6.c: New file.
6046         * testsuite/ifuncmain7.c: New file.
6047         * configure, testsuite/Makefile.in: Rebuild.
6048
6049 2010-08-18  Ian Lance Taylor  <iant@google.com>
6050
6051         * incremental.cc
6052         (Output_section_incremental_inputs::write_input_files): Add cast
6053         to avoid signed/unsigned comparison warning.
6054         (Output_section_incremental_inputs::write_info_blocks): Likewise.
6055
6056 2010-08-12  Cary Coutant  <ccoutant@google.com>
6057
6058         * common.cc (Sort_commons::operator()): Remove unnecessary code.
6059
6060 2010-08-13  Ian Lance Taylor  <iant@google.com>
6061
6062         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
6063
6064 2010-08-12  Cary Coutant  <ccoutant@google.com>
6065             Doug Kwan  <dougkwan@google.com>
6066
6067         * resolve.cc (Symbol_table::should_override): When a weak dynamic
6068         defintion overrides non-weak undef, remember that the original undef
6069         is not weak.
6070         * symtab.cc (Symbol_table::sized_write_global): For undef without
6071         an original weak binding, set binding to global in output.
6072         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
6073         * testsuite/Makefile.in: Regenerate.
6074         * testsuite/strong_ref_weak_def.sh: New file.
6075         * testsuite/strong_ref_weak_def_1.c: Ditto.
6076         * testsuite/strong_ref_weak_def_2.c: Ditto.
6077
6078 2010-08-12  Cary Coutant  <ccoutant@google.com>
6079
6080         * testsuite/incremental_test.sh: Rewrite.
6081         * testsuite/incremental_test_1.c: Rewrite.
6082         * testsuite/incremental_test_2.c: Rewrite.
6083
6084 2010-08-12  Cary Coutant  <ccoutant@google.com>
6085
6086         * arm.cc (Target_arm::got_size): Add const.
6087         (Target_arm::got_entry_count): New function.
6088         (Target_arm::plt_entry_count): New function.
6089         (Target_arm::first_plt_entry_offset): New function.
6090         (Target_arm::plt_entry_size): New function.
6091         (Output_data_plt_arm::entry_count): New function.
6092         (Output_data_plt_arm::first_plt_entry_offset): New function.
6093         (Output_data_plt_arm::get_plt_entry_size): New function.
6094         * i386.cc (Target_i386::got_size): Add const.
6095         (Target_i386::got_entry_count): New function.
6096         (Target_i386::plt_entry_count): New function.
6097         (Target_i386::first_plt_entry_offset): New function.
6098         (Target_i386::plt_entry_size): New function.
6099         (Output_data_plt_i386::entry_count): New function.
6100         (Output_data_plt_i386::first_plt_entry_offset): New function.
6101         (Output_data_plt_i386::get_plt_entry_size): New function.
6102         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
6103         find_incremental_inputs_sections.  Dump incremental_got_plt section.
6104         * incremental.cc: Include target.h.
6105         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
6106         parameter.  Adjust all callers.  Find incremental_got_plt section.
6107         (Incremental_inputs::create_data_sections): Create incremental_got_plt
6108         section.
6109         (Output_section_incremental_inputs::set_final_data_size): Calculate
6110         size of incremental_got_plt section.
6111         (Output_section_incremental_inputs::do_write): Write the
6112         incremental_got_plt section.
6113         (Got_plt_view_info): New struct.
6114         (Local_got_offset_visitor): New class.
6115         (Global_got_offset_visitor): New class.
6116         (Global_symbol_visitor_got_plt): New class.
6117         (Output_section_incremental_inputs::write_got_plt): New function.
6118         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
6119         Add parameter.  Adjust all callers.
6120         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
6121         (Incremental_inputs::got_plt_section): New function.
6122         (Incremental_inputs::got_plt_section_): New data member.
6123         (Incremental_got_plt_reader): New class.
6124         * layout.cc (Layout::create_incremental_info_sections): Add the
6125         incremental_got_plt section.
6126         * object.h (Got_offset_list::get_list): New function.
6127         (Got offset_list::for_all_got_offsets): New function.
6128         (Sized_relobj::local_got_offset_list): New function.
6129         * powerpc.cc (Target_powerpc::got_size): Add const.
6130         (Target_powerpc::got_entry_count): New function.
6131         (Target_powerpc::plt_entry_count): New function.
6132         (Target_powerpc::first_plt_entry_offset): New function.
6133         (Target_powerpc::plt_entry_size): New function.
6134         (Output_data_plt_powerpc::entry_count): New function.
6135         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
6136         (Output_data_plt_powerpc::get_plt_entry_size): New function.
6137         * sparc.cc (Target_sparc::got_size): Add const.
6138         (Target_sparc::got_entry_count): New function.
6139         (Target_sparc::plt_entry_count): New function.
6140         (Target_sparc::first_plt_entry_offset): New function.
6141         (Target_sparc::plt_entry_size): New function.
6142         (Output_data_plt_sparc::entry_count): New function.
6143         (Output_data_plt_sparc::first_plt_entry_offset): New function.
6144         (Output_data_plt_sparc::get_plt_entry_size): New function.
6145         * symtab.h (Symbol::got_offset_list): New function.
6146         (Symbol_table::for_all_symbols): New function.
6147         * target.h (Sized_target::got_entry_count): New function.
6148         (Sized_target::plt_entry_count): New function.
6149         (Sized_target::plt_entry_size): New function.
6150         * x86_64.cc (Target_x86_64::got_size): Add const.
6151         (Target_x86_64::got_entry_count): New function.
6152         (Target_x86_64::plt_entry_count): New function.
6153         (Target_x86_64::first_plt_entry_offset): New function.
6154         (Target_x86_64::plt_entry_size): New function.
6155         (Output_data_plt_x86_64::entry_count): New function.
6156         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
6157         (Output_data_plt_x86_64::get_plt_entry_size): New function.
6158
6159 2010-08-12  Cary Coutant  <ccoutant@google.com>
6160
6161         * archive.cc: Include incremental.h.
6162         (Archive::Archive): Initialize incremental_info_.
6163         (Archive::include_member): Record archive members in incremental info.
6164         (Add_archive_symbols::run): Record begin and end of an archive in
6165         incremental info.
6166         (Lib_group::include_member): Record objects in incremental info.
6167         * archive.h (Incremental_archive_entry): Forward declaration.
6168         (Archive::set_incremental_info): New member function.
6169         (Archive::incremental_info): New member function.
6170         (Archive::Unused_symbol_iterator): New class.
6171         (Archive::unused_symbols_begin): New member function.
6172         (Archive::unused_symbols_end): New member function.
6173         (Archive::incremental_info_): New data member.
6174         * incremental-dump.cc (find_input_containing_global): New function.
6175         (dump_incremental_inputs): Dump new incremental info sections.
6176         * incremental.cc: Include symtab.h.
6177         (Output_section_incremental_inputs): New class.
6178         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
6179         new incremental info sections.
6180         (Sized_incremental_binary::do_check_inputs): Likewise.
6181         (Incremental_inputs::report_archive): Remove.
6182         (Incremental_inputs::report_archive_begin): New function.
6183         (Incremental_inputs::report_archive_end): New function.
6184         (Incremental_inputs::report_object): New function.
6185         (Incremental_inputs::finalize_inputs): Remove.
6186         (Incremental_inputs::report_input_section): New function.
6187         (Incremental_inputs::report_script): Rewrite.
6188         (Incremental_inputs::finalize): Do nothing but finalize string table.
6189         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
6190         (Incremental_inputs::sized_create_inputs_section_data): Remove.
6191         (Incremental_inputs::create_data_sections): New function.
6192         (Incremental_inputs::relocs_entsize): New function.
6193         (Output_section_incremental_inputs::set_final_data_size): New function.
6194         (Output_section_incremental_inputs::do_write): New function.
6195         (Output_section_incremental_inputs::write_header): New function.
6196         (Output_section_incremental_inputs::write_input_files): New function.
6197         (Output_section_incremental_inputs::write_info_blocks): New function.
6198         (Output_section_incremental_inputs::write_symtab): New function.
6199         * incremental.h (Incremental_script_entry): Forward declaration.
6200         (Incremental_object_entry): Forward declaration.
6201         (Incremental_archive_entry): Forward declaration.
6202         (Incremental_inputs): Forward declaration.
6203         (Incremental_inputs_header_data): Remove.
6204         (Incremental_inputs_header): Remove.
6205         (Incremental_inputs_header_write): Remove.
6206         (Incremental_inputs_entry_data): Remove.
6207         (Incremental_inputs_entry): Remove.
6208         (Incremental_inputs_entry_write): Remove.
6209         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
6210         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
6211         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
6212         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
6213         Likewise.
6214         (Incremental_input_entry): New class.
6215         (Incremental_script_entry): New class.
6216         (Incremental_object_entry): New class.
6217         (Incremental_archive_entry): New class.
6218         (Incremental_inputs::Incremental_inputs): Initialize new data members.
6219         (Incremental_inputs::report_inputs): Remove.
6220         (Incremental_inputs::report_archive): Remove.
6221         (Incremental_inputs::report_archive_begin): New function.
6222         (Incremental_inputs::report_archive_end): New function.
6223         (Incremental_inputs::report_object): Change prototype.
6224         (Incremental_inputs::report_input_section): New function.
6225         (Incremental_inputs::report_script): Change prototype.
6226         (Incremental_inputs::get_reloc_count): New function.
6227         (Incremental_inputs::set_reloc_count): New function.
6228         (Incremental_inputs::create_data_sections): New function.
6229         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
6230         (Incremental_inputs::inputs_section): New function.
6231         (Incremental_inputs::symtab_section): New function.
6232         (Incremental_inputs::relocs_section): New function.
6233         (Incremental_inputs::get_stringpool): Add const.
6234         (Incremental_inputs::command_line): Add const.
6235         (Incremental_inputs::inputs): Remove.
6236         (Incremental_inputs::command_line_key): New function.
6237         (Incremental_inputs::input_file_count): New function.
6238         (Incremental_inputs::input_files): New function.
6239         (Incremental_inputs::relocs_entsize): New function.
6240         (Incremental_inputs::sized_create_inputs_section_data): Remove.
6241         (Incremental_inputs::finalize_inputs): Remove.
6242         (Incremental_inputs::Input_info): Remove.
6243         (Incremental_inputs::lock_): Remove.
6244         (Incremental_inputs::inputs_): Change type.
6245         (Incremental_inputs::inputs_map_): Remove.
6246         (Incremental_inputs::current_object_entry_): New data member.
6247         (Incremental_inputs::inputs_section_): New data member.
6248         (Incremental_inputs::symtab_section_): New data member.
6249         (Incremental_inputs::relocs_section_): New data member.
6250         (Incremental_inputs::reloc_count_): New data member.
6251         (Incremental_inputs_reader): New class.
6252         (Incremental_symtab_reader): New class.
6253         (Incremental_relocs_reader): New class.
6254         * layout.cc (Layout::finalize): Move finalization of incremental info
6255         and creation of incremental info sections to follow finalization of
6256         symbol table.  Set offsets for postprocessing sections.
6257         (Layout::create_incremental_info_sections): Call
6258         Incremental_inputs::create_data_sections.  Add incremental symtab
6259         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
6260         sections to layout after input sections.
6261         * layout.h (struct Timespec): Forward declaration.
6262         (Layout::incremental_inputs): Add const.
6263         (Layout::create_incremental_info_sections): Add parameter.
6264         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
6265         * object.cc: Include incremental.h.
6266         (Relobj::finalize_incremental_relocs): New function.
6267         (Sized_relobj::do_layout): Record input sections in incremental info.
6268         * object.h (Object::output_section): New function.
6269         (Object::output_section_offset): Moved from Relobj.
6270         (Object::get_incremental_reloc_base): New function.
6271         (Object::get_incremental_reloc_count): New function.
6272         (Object::do_output_section): New function.
6273         (Object::do_output_section_offset): Moved from Relobj.
6274         (Object::do_get_incremental_reloc_base): New function.
6275         (Object::do_get_incremental_reloc_count): New function.
6276         (Object::Object): Initialize new data members.
6277         (Relobj::output_section): Renamed do_output_section and moved to
6278         protected.
6279         (Relobj::output_section_offset): Moved to Object.
6280         (Relobj::do_get_incremental_reloc_base): New function.
6281         (Relobj::do_get_incremental_reloc_count): New function.
6282         (Relobj::allocate_incremental_reloc_counts): New function.
6283         (Relobj::count_incremental_reloc): New function.
6284         (Relobj::finalize_incremental_relocs): New function.
6285         (Relobj::next_incremental_reloc_index): New function.
6286         (Relobj::reloc_counts_): New data member.
6287         (Relobj::reloc_bases_): New data member.
6288         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
6289         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
6290         (Sized_relobj::incremental_relocs_scan): New function.
6291         (Sized_relobj::incremental_relocs_scan_reltype): New function.
6292         (Sized_relobj::incremental_relocs_write): New function.
6293         (Sized_relobj::incremental_relocs_write_reltype): New function.
6294         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
6295         incremental link.
6296         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
6297         archives and object files elsewhere.
6298         (Add_symbols::run): Report object files here.
6299         (Finish_group::run): Report end of archive at end of group.
6300         * reloc.cc: Include layout.h, incremental.h.
6301         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
6302         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
6303         (Sized_relobj::incremental_relocs_scan): New function.
6304         (Sized_relobj::incremental_relocs_scan_reltype): New function.
6305         (Sized_relobj::do_relocate_sections): Write incremental relocations.
6306         (Sized_relobj::incremental_relocs_write): New function.
6307         (Sized_relobj::incremental_relocs_write_reltype): New function.
6308         * script.cc (read_input_script): Rewrite test for incremental link.
6309         Change call to Incremental_inputs::report_script.
6310         * symtab.h (Symbol_table::first_global_index): New function.
6311         (Symbol_table::output_count): New function.
6312
6313 2010-08-12  Doug Kwan  <dougkwan@google.com>
6314
6315         * arm.cc (Target_arm::merge_object_attributes): Check command line
6316         options --no-wchar-size-warning and --no-enum-size-warning.
6317         * options.h (General_options): Add ld-compatible options
6318         --no-enum-size-warning and --no-wchar-size-warning.
6319
6320 2010-08-04  Ian Lance Taylor  <iant@google.com>
6321
6322         * x86_64.cc (Target_x86_64::Scan::local): Use
6323         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
6324         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
6325         (Target_x86_64::Scan::global): Likewise.
6326         (Target_x86_64::Relocate::relocate): Likewise.
6327         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
6328         Likewise.
6329
6330 2010-08-03  Cary Coutant  <ccoutant@google.com>
6331
6332         * merge.cc (Output_merge_string::do_add_input_section): Count strings
6333         to reserve space in merged_strings vector. Keep total input size
6334         for stats.
6335         (Output_merge_string::do_print_merge_stats): Print total input size.
6336         * merge.h (Output_merge_string): Add input_size_ field.
6337         * stringpool.cc (Stringpool_template::string_length): Move
6338         implementations out of Stringpool_template class and place in
6339         stringpool.h.
6340         * stringpool.h (string_length): Move out of Stringpool_template.
6341
6342 2010-08-03  Ian Lance Taylor  <iant@google.com>
6343
6344         PR 11712
6345         * layout.cc (relaxation_loop_body): If address of load segment is
6346         set, adjust address to include headers if possible.
6347
6348 2010-08-03  Ian Lance Taylor  <iant@google.com>
6349
6350         * version.cc (version_string): Bump to 1.10.
6351
6352 2010-08-03  Ian Lance Taylor  <iant@google.com>
6353
6354         PR 11805
6355         * layout.h (enum Output_section_order): Define.
6356         (class Layout): Update declarations.
6357         * layout.cc (Layout::get_output_section): Add order parameter.
6358         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
6359         is_first_non_relro parameters.  Change all callers.
6360         (Layout::choose_output_section): Likewise.
6361         (Layout::add_output_section_data): Likewise.
6362         (Layout::make_output_section): Likewise.  Set order.
6363         (Layout::default_section_order): New function.
6364         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
6365         * output.cc (Output_section::Output_section): Initialize order_.
6366         Don't initialize deleted fields.
6367         (Output_segment::Output_segment): Don't initialize deleted
6368         fields.
6369         (Output_segment::add_output_section_to_load): New function
6370         replacing add_output_section.  Change all callers to call this or
6371         add_output_section_to_nonload.
6372         (Output_segment::add_output_section_to_nonload): New function.
6373         (Output_segment::remove_output_section): Rewrite.
6374         (Output_segment::add_initial_output_data): Likewise.
6375         (Output_segment::has_any_data_sections): Likewise.
6376         (Output_segment::is_first_section_relro): Likewise.
6377         (Output_segment::maximum_alignment): Likewise.
6378         (Output_segment::has_dynamic_reloc): New function replacing
6379         dynamic_reloc_count.  Change all callers.
6380         (Output_segment::has_dynamic_reloc_list): New function replacing
6381         dynamic_reloc_count_list.  Change all callers.
6382         (Output_segment::set_section_addresses): Rewrite.
6383         (Output_segment::set_offset): Rewrite.
6384         (Output_segment::find_first_and_last_list): Remove.
6385         (Output_segment::set_tls_offsets): Rewrite.
6386         (Output_segment::first_section_load_address): Likewise.
6387         (Output_segment::output_section_count): Likewise.
6388         (Output_segment::section_with_lowest_load_address): Likewise.
6389         (Output_segment::write_section_headers): Likewise.
6390         (Output_segment::print_sections_to_map): Likewise.
6391         * output.h (class Output_data): Remove dynamic_reloc_count_
6392         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
6393         (Output_data::add_dynamic_reloc): Rewrite.
6394         (Output_data::has_dynamic_reloc): New function.
6395         (Output_data::dynamic_reloc_count): Remove.
6396         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
6397         is_last_relro_, is_first_non_relro_, is_interp_,
6398         is_dynamic_linker_section_ fields.  Add order and set_order
6399         functions.  Remove is_relro_local, set_is_relro_local,
6400         is_last_relro, set_is_last_relro, is_first_non_relro,
6401         set_is_first_non_relro functions, is_interp, set_is_interp,
6402         is_dynamic_linker_section, and set_is_dynamic_linker_section
6403         functions.
6404         (class Output_segment): Change Output_data_list from std::list to
6405         std:;vector.  Add output_lists_ field.  Remove output_data_ and
6406         output_bss_ fields.  Update declarations.
6407
6408 2010-08-02  Ian Lance Taylor  <iant@google.com>
6409
6410         * arm.cc (Target_arm::gc_process_relocs): Use typename.
6411         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
6412         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
6413
6414 2010-08-02  Ian Lance Taylor  <iant@google.com>
6415
6416         PR 11855
6417         * script.cc (Script_options::Script_options): Initialize
6418         symbol_definitions_ and symbol_references_.
6419         (Script_options::add_symbol_assignment): Update
6420         symbol_definitions_ and symbol_references_.
6421         (Script_options::add_symbol_reference): New function.
6422         (script_symbol): New function.
6423         * script.h (class Script_options): Add symbol_definitions_ and
6424         symbol_references_ fields.
6425         (Script_options::referenced_const_iterator): New type.
6426         (Script_options::referenced_begin): New function.
6427         (Script_options::referenced_end): New function.
6428         (Script_options::is_referenced): New function.
6429         (Script_options::any_unreferenced): New function.
6430         * script-c.h (script_symbol): Declare.
6431         * yyscript.y (exp): Call script_symbol.
6432         * symtab.cc: Include "script.h".
6433         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
6434         Change all callers.  Check symbols referenced by scripts.
6435         (Symbol_table::add_undefined_symbols_from_command_line): Add
6436         layout parameter.  Change all callers.
6437         (Symbol_table::do_add_undefined_symbols_from_command_line):
6438         Likewise.  Break out loop body.  Check symbols referenced by
6439         scripts.
6440         (Symbol_table::add_undefined_symbol_from_command_line): New
6441         function broken out of
6442         do_add_undefined_symbols_from_command_line.
6443         * symtab.h (class Symbol_table): Update declarations.
6444         * archive.cc: Include "layout.h".
6445         (Archive::should_include_member): Add layout parameter.  Change
6446         all callers.  Check for symbol mentioned in expression.
6447         * archive.h (class Archive): Update declaration.
6448         * object.cc (Sized_relobj::do_should_include_member): Add layout
6449         parameter.
6450         * object.h (Object::should_include_member): Add layout parameter.
6451         Change all callers.
6452         (Object::do_should_include_member): Add layout parameter.
6453         (class Sized_relobj): Update declaration.
6454         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
6455         parameter.
6456         * dynobj.h (class Sized_dynobj): Update declaration.
6457         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
6458         layout parameter.
6459         * plugin.h (class Sized_pluginobj): Update declaration.
6460
6461 2010-08-02  Ian Lance Taylor  <iant@google.com>
6462
6463         PR 11866
6464         * output.cc (Output_segment::set_offset): Search for the first and
6465         last sections rather than assuming that the list is in order.
6466         (Output_segment::find_first_and_last_list): New function.
6467         * output.h (class Output_segment): Update declarations.
6468         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
6469         (relro_strip_test_SOURCES): New variable.
6470         (relro_strip_test_DEPENDENCIES): New variable.
6471         (relro_strip_test_LDFLAGS): New variable.
6472         (relro_strip_test_LDADD): New variable.
6473         (relro_strip_test.so): New target.
6474
6475 2010-08-02  Ian Lance Taylor  <iant@google.com>
6476
6477         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
6478         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
6479         (Target_i386::got_tlsdesc_section): New function.
6480         (Target_i386::got_section): Create space for GOT entries for
6481         TLSDESC relocations.
6482         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
6483         R_386_TLS_GOTDESC.
6484         (Target_i386::Scan::global): Likewise.
6485         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
6486         using TLSDESC GOT.
6487         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
6488         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
6489         (Target_x86_64::got_tlsdesc_section): New function.
6490         (Target_x86_64::got_section): Create space for GOT entries for
6491         TLSDESC relocations.
6492         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
6493         R_386_TLS_GOTDESC.
6494         (Target_x86_64::Scan::global): Likewise.
6495         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
6496         using TLSDESC GOT.
6497
6498 2010-08-02  Ian Lance Taylor  <iant@google.com>
6499
6500         * testsuite/final_layout.sh: Use dc to convert from hex to
6501         decimal.
6502
6503 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
6504
6505         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
6506         paramter to the call to gold::gc_process_relocs.
6507         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
6508         paramter to the call to gold::gc_process_relocs.
6509         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
6510         parameter to the call to gold::gc_process_relocs.
6511         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
6512         template parameter to the call to gold::gc_process_relocs.
6513         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
6514         paramter to the call to gold::gc_process_relocs.
6515         * gc.h (get_embedded_addend_size): New function.
6516         (gc_process_relocs): Save the size of the reloc for use by ICF.
6517         * icf.cc (get_section_contents): Get the addend from the text section
6518         for SHT_REL relocation sections.
6519         * icf.h (Icf::Reloc_addend_size_info): New typedef.
6520         (Icf::Reloc_info): Add new member reloc_addend_size_info.
6521         * int_encoding.h (read_from_pointer): New overloaded function.
6522         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
6523         * testsuite/icf_sht_rel_addend_test.sh: New file.
6524         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
6525         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
6526
6527 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6528
6529         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
6530         * Makefile.in: Regenerate.
6531         * testsuite/Makefile.in: Regenerate.
6532
6533 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
6534
6535         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
6536         * gold/testsuite/debug_msg.cc: Likewise.
6537         * gold/testsuite/odr_violation1.cc
6538         * gold/testsuite/odr_violation2.cc
6539
6540 2010-07-21  Cary Coutant  <ccoutant@google.com>
6541
6542         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
6543         string, and length fields.
6544         (Output_merge_string::Merged_strings_list): New type.
6545         (Output_merge_string::Merged_strings_lists): New typedef.
6546         (Output_merge_string): Replace merged_strings_ with
6547         merged_strings_lists_.
6548         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
6549         Merged_strings_list per input object and section.  Don't store pointer
6550         to the string.  Don't store length with each merged string entry.
6551         (Output_merge_string::finalize_merged_data): Loop over list of merged
6552         strings lists.  Recompute length of each merged string.
6553
6554 2010-07-15  Cary Coutant  <ccoutant@google.com>
6555
6556         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
6557         here.
6558
6559 2010-07-14  Ian Lance Taylor  <iant@google.com>
6560
6561         * descriptors.cc (Descriptors::open): Report correct name in error
6562         message.
6563
6564 2010-07-13  Doug Kwan  <dougkwan@google.com>
6565
6566         * arm.cc (Arm_input_section::Arm_input_section): For a
6567         SHT_ARM_EXIDX section, always keeps the input sections.
6568         (Arm_input_section::set_exidx_section_link): New method.
6569         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
6570         has_errors_ to false.
6571         (Arm_exidx_input_section::has_errors,
6572         Arm_exidx_input_section::set_has_errors): New methods.
6573         (Arm_exidx_input_section::has_errors_): New data member.
6574         (Arm_relobj::get_exidx_shndx_list): New method.
6575         (Arm_output_section::append_text_sections_to_list): Do not skip
6576         section without SHF_EXECINSTR.
6577         (Arm_output_section::fix_exidx_coverage): Skip input sections with
6578         errors.
6579         (Arm_relobj::make_exidx_input_section): Add new parameter for text
6580         section header.  Make error messages more verbose.  Check for
6581         a non-executable section linked to an EXIDX section.
6582         (Arm_relobj::do_read_symbols): Remove error checking, which has been
6583         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
6584         check that there is no deferred EXIDX section if we exit early.
6585         Instead of not making an EXIDX section in case of an error, make one
6586         and set the has_errors flag of it.
6587         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
6588         in a relocatable link.
6589         (Target_arm::do_relax): Look for the EXIDX output section instead of
6590         assuming that it is called .ARM.exidx.
6591         (Target_arm::fix_exidx_coverage): Add a new parameter for input
6592         section list.  Do not check for SHF_EXECINSTR section flags but
6593         skip any input section with errors.
6594         * output.cc (Output_section::Output_section): Initialize
6595         always_keeps_input_sections_ to false.
6596         (Output_section::add_input_section): Check for
6597         always_keeps_input_sections_.
6598         *  output.h (Output_section::always_keeps_input_sections,
6599         Output_section::set_always_keeps_input_sections): New methods.
6600         (Output_section::always_keeps_input_sections): New data member.
6601
6602 2010-07-13  Rafael Espindola  <espindola@google.com>
6603
6604         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
6605         * fileread.h (Input_file): Add try_extra_search_path and find_file.
6606
6607 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
6608             Ian Lance Taylor  <iant@google.com>
6609
6610         * output.h (Output_section_lookup_maps::add_merge_section):
6611         Correct check of whether value was inserted.
6612         (Output_section_lookup_maps::add_merge_input_section): Likewise.
6613         (Output_section_lookup_maps::add_relaxed_input_section):
6614         Likewise.
6615         * arm.cc (Target_arm::got_section): Remove used local os.
6616         * i386.cc (Target_i386::got_section): Likewise.
6617         * x86_64.cc (Target_x86_64::got_section): Likewise.
6618         * sparc.cc (Target_sparc::got_section): Likewise.
6619         (Target_sparc::relocate): Remove unused local have_got_offset.
6620         * powerpc.cc (Target_powerpc::relocate): Likewise.
6621
6622 2010-07-13  Ian Lance Taylor  <iant@google.com>
6623
6624         * compressed_output.cc (zlib_decompress): Fix signature in
6625         !HAVE_ZLIB_H case.
6626
6627         * archive.cc (Archive::include_member): Unlock an external member
6628         of a thin archive.  Don't bother to delete an object we know is
6629         NULL.
6630
6631 2010-07-12  Cary Coutant  <ccoutant@google.com>
6632
6633         * compressed_output.cc (zlib_decompress): New function.
6634         (get_uncompressed_size): New function.
6635         (decompress_input_section): New function.
6636         * compressed_output.h (get_uncompressed_size): New function.
6637         (decompress_input_section): New function.
6638         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
6639         Handle compressed debug sections.
6640         * layout.cc (is_compressed_debug_section): New function.
6641         (Layout::output_section_name): Map compressed section names to
6642         canonical names.
6643         * layout.h (is_compressed_debug_section): New function.
6644         (is_debug_info_section): Recognize compressed debug sections.
6645         * merge.cc: Include compressed_output.h.
6646         (Output_merge_data::do_add_input_section): Handle compressed
6647         debug sections.
6648         (Output_merge_string::do_add_input_section): Handle compressed
6649         debug sections.
6650         * object.cc: Include compressed_output.h.
6651         (Sized_relobj::Sized_relobj): Initialize new data members.
6652         (build_compressed_section_map): New function.
6653         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
6654         * object.h (Object::section_is_compressed): New method.
6655         (Object::do_section_is_compressed): New method.
6656         (Sized_relobj::Compressed_section_map): New type.
6657         (Sized_relobj::do_section_is_compressed): New method.
6658         (Sized_relobj::compressed_sections_): New data member.
6659         * output.cc (Output_section::add_input_section): Handle compressed
6660         debug sections.
6661         * reloc.cc: Include compressed_output.h.
6662         (Sized_relobj::write_sections): Handle compressed debug sections.
6663
6664 2010-07-08  Cary Coutant  <ccoutant@google.com>
6665
6666         * resolve.cc (Symbol_table::resolve): Remember whether undef was
6667         weak when resolving to a dynamic def.
6668         (Symbol_table::should_override): Add adjust_dyndef flag; set it
6669         for weak undef/dynamic def cases. Adjust callers.
6670         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
6671         undef_binding_weak_.
6672         (Symbol_table::sized_write_globals): Adjust symbol binding.
6673         (Symbol_table::sized_write_symbol): Add binding parameter.
6674         * symtab.h (Symbol::set_undef_binding): New method.
6675         (Symbol::is_undef_binding_weak): New method.
6676         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
6677         (Symbol_table::should_override): Add new parameter.
6678         (Symbol_table::sized_write_symbol): Add new parameter.
6679
6680         * testsuite/weak_undef_file1.cc: Add new test case.
6681         * testsuite/weak_undef_file2.cc: Fix header comment.
6682         * testsuite/weak_undef_test.cc: Add new test case.
6683
6684 2010-06-29  Doug Kwan  <dougkwan@google.com>
6685
6686         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
6687         Initialize USE_SYMBOL_.
6688         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
6689         definition.
6690         (Arm_reloc_property::uses_symbol_): New data member declaration.
6691         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
6692         uses symbol value and symbol is undefined but not weakly undefined.
6693
6694 2010-06-28  Rafael Espindola  <espindola@google.com>
6695
6696         * plugin.cc (Plugin::load): Use dlerror.
6697
6698 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
6699
6700         * symtab.cc (detect_odr_violations): When reporting an ODR
6701         violation, report an object where the symbol is defined.
6702
6703 2010-06-25  Doug Kwan  <dougkwan@google.com>
6704
6705         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
6706         (Target_arm::section_may_have_icf_unsafe_pointers): New method
6707         definition.
6708         (Target_arm::Scan::local_reloc_may_be_function_pointer,
6709         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
6710         target hook to detect function points.
6711         (Target_arm::Scan::possible_function_pointer_reloc): New method.
6712         * icf.h (Icf::check_section_for_function_pointers): Change type of
6713         parameter SECTION_NAME to const reference to std::string.  Use
6714         target hook to determine if section may have unsafe pointers.
6715         * target.h (Target::section_may_have_icf_unsafe_pointers): New
6716         method definition.
6717
6718 2010-06-21  Rafael Espindola  <espindola@google.com>
6719
6720         * fileread.cc (Input_file::find_fie): New
6721         (Input_file::open): Use Input_file::find_fie.
6722         * fileread.h (Input_file::find_fie): New
6723         * plugin.cc (set_extra_library_path): New.
6724         (Plugin::load): Add set_extra_library_path to the transfer vector.
6725         (Plugin_manager::set_extra_library_path): New.
6726         (Plugin_manager::add_input_file): Use the extra search path if set.
6727         (set_extra_library_path(): New.
6728         * plugin.h (Plugin_manager): Add set_extra_library_path and
6729         extra_search_path_.
6730
6731 2010-06-19  Cary Coutant  <ccoutant@google.com>
6732
6733         * layout.cc (gdb_sections): Add .debug_types.
6734         (lines_only_debug_sections): Likewise.
6735
6736 2010-06-18  Rafael Espindola  <espindola@google.com>
6737
6738         * plugin.cc (add_input_file,add_input_library)
6739         (Plugin_manager::add_input_file): Make filename arguments const.
6740         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
6741         const.
6742
6743 2010-06-16  Doug Kwan  <dougkwan@google.com>
6744
6745         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
6746         .ARM.attributes section if we have not merged any input
6747         attributes sections.
6748
6749 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6750
6751         * arm.cc: Allow combining objects with no EABI version
6752         information.
6753
6754 2010-06-15  Rafael Espindola  <espindola@google.com>
6755
6756         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
6757
6758 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6759
6760         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
6761         (struct iovec): Correct !HAVE_READV definition.
6762
6763 2010-06-10  Cary Coutant  <ccoutant@google.com>
6764
6765         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
6766         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
6767         reloc sections.
6768         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
6769
6770         PR 11683
6771         * symtab.h (Symbol::is_placeholder): New member function.
6772         * target-reloc.h (relocate_section): Check for placeholder symbols.
6773
6774         * testsuite/Makefile.am (plugin_test_8): New test.
6775         (plugin_test_9): New test.
6776         * testsuite/Makefile.in: Regenerate.
6777
6778 2010-06-09  Nick Clifton  <nickc@redhat.com>
6779
6780         * yyscript.y (input_list_element): Allow strings prefixed with
6781         the '-' character.  Treat these as libraries.
6782         * script.cc (script_add_library): New function.  Adds a library
6783         specified by "-l<name>" found in an input script.
6784         * script-c.h: Add prototype for script_add_library.
6785
6786 2010-06-07  Doug Kwan  <dougkwan@google.com>
6787
6788         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
6789         Restrict stub-group size to be within long conditional branch
6790         range when working around cortex-A8 erratum.
6791
6792 2010-06-07  Damien Diederen  <dd@crosstwine.com>
6793
6794         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
6795         #ifdef typo.
6796
6797 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
6798
6799         PR gold/11658
6800         * output.cc
6801         (Output_section::Input_section_sort_entry::compare_section_ordering):
6802         Change to return non-zero correctly.
6803         (Output_section::Input_section_sort_section_order_index_compare
6804         ::operator()): Change to fix ambiguity in comparisons.
6805
6806 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
6807
6808         * gold.h (is_wildcard_string): New function.
6809         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
6810         (Layout::layout_eh_frame): Ditto.
6811         (Layout::find_section_order_index): New method.
6812         (Layout::read_layout_from_file): New method.
6813         * layout.h (Layout::find_section_order_index): New method.
6814         (Layout::read_layout_from_file): New method.
6815         (Layout::input_section_position_): New private member.
6816         (Layout::input_section_glob_): New private member.
6817         * main.cc (main): Call read_layout_from_file here.
6818         * options.h (--section-ordering-file): New option.
6819         * output.cc (Output_section::input_section_order_specified_): New
6820         member.
6821         (Output_section::Output_section): Initialize new member.
6822         (Output_section::add_input_section): Add new parameter.
6823         Keep input sections when --section-ordering-file is used.
6824         (Output_section::set_final_data_size): Sort input sections when
6825         section ordering file is specified.
6826         (Output_section::Input_section_sort_entry): Add new parameter.
6827         Check sorting type.
6828         (Output_section::Input_section_sort_entry::compare_section_ordering):
6829         New method.
6830         (Output_section::Input_section_sort_compare::operator()): Change to
6831         consider section_order_index.
6832         (Output_section::Input_section_sort_init_fini_compare::operator()):
6833         Change to consider section_order_index.
6834         (Output_section::Input_section_sort_section_order_index_compare
6835         ::operator()): New method.
6836         (Output_section::sort_attached_input_sections): Change to sort
6837         according to section order when specified.
6838         (Output_section::add_input_section<32, true>): Add new parameter.
6839         (Output_section::add_input_section<64, true>): Add new parameter.
6840         (Output_section::add_input_section<32, false>): Add new parameter.
6841         (Output_section::add_input_section<64, false>): Add new parameter.
6842         * output.h (Output_section::add_input_section): Add new parameter.
6843         (Output_section::input_section_order_specified): New
6844         method.
6845         (Output_section::set_input_section_order_specified): New method.
6846         (Input_section::Input_section): Initialize section_order_index_.
6847         (Input_section::section_order_index): New method.
6848         (Input_section::set_section_order_index): New method.
6849         (Input_section::section_order_index_): New member.
6850         (Input_section::Input_section_sort_section_order_index_compare): New
6851         struct.
6852         (Output_section::input_section_order_specified_): New member.
6853         * script-sections.cc (is_wildcard_string): Delete and move modified
6854         method to gold.h.
6855         (Output_section_element_input::Output_section_element_input): Modify
6856         call to is_wildcard_string.
6857         (Output_section_element_input::Input_section_pattern
6858         ::Input_section_pattern): Ditto.
6859         (Output_section_element_input::Output_section_element_input): Ditto.
6860         * testsuite/Makefile.am (final_layout): New test case.
6861         * testsuite/Makefile.in: Regenerate.
6862         * testsuite/final_layout.cc: New file.
6863         * testsuite/final_layout.sh: New file.
6864
6865 2010-06-01  Rafael Espindola  <espindola@google.com>
6866
6867         * plugin.cc (Plugin::load): Pass the output name to the plugin.
6868
6869 2010-06-01  Rafael Espindola  <espindola@google.com>
6870
6871         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
6872         visibility of symbols.
6873
6874 2010-05-27  Doug Kwan  <dougkwan@google.com>
6875
6876         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
6877         from start of output section instead of address for a local symbol
6878         in a merged or relaxed section when doing a relocatable link.
6879
6880 2010-05-26  Rafael Espindola  <espindola@google.com>
6881
6882         PR 11604
6883         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
6884         adding sections the garbage collector removed.
6885         * gold/testsuite/Makefile.am: Add test.
6886         * gold/testsuite/Makefile.in: Regenerate.
6887         * gold/testsuite/plugin_test_7.sh: New.
6888         * gold/testsuite/plugin_test_7_1.c: New.
6889         * gold/testsuite/plugin_test_7_2.c: New.
6890
6891 2010-05-26  Rafael Espindola  <espindola@google.com>
6892
6893         * script-sections.cc (Output_section_definition::set_section_addresses):
6894         Check for --section-start.
6895
6896 2010-05-26  Doug Kwan  <dougkwan@google.com>
6897
6898         * arm.cc (Arm_scan_relocatable_relocs): New class.
6899         (Target_arm::relocate_special_relocatable): New method.
6900         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
6901         (Arm_relocate_functions::thumb_branch_common): Same.
6902         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
6903         instead of Default_scan_relocatable_relocs.
6904         * target-reloc.h (relocate_for_relocatable): Let target handle
6905         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
6906         * target.h (Sized_target::relocate_special_relocatable): New method.
6907
6908 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6909
6910         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
6911
6912 2010-05-23  Doug Kwan  <dougkwan@google.com>
6913
6914         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
6915         instead of a cast.
6916         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
6917         with a direct branch, not a conditional branch, to a stub.
6918         * merge.cc (Output_merge_base::record_input_section): New method
6919         defintion.
6920         (Output_merge_data::do_add_input_section): Record input section if
6921         keeps-input-sections flag is set.
6922         (Output_merge_string::do_add_input_section): Ditto.
6923         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
6924         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
6925         INPUT_SECTIONS_.
6926         (Output_merge_base::keeps_input_sections,
6927         Output_merge_base::set_keeps_input_sections,
6928         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
6929         method definitions.
6930         (Output_merge_base::Input_sections): New type declaration.
6931         (Output_merge_base::input_sections_begin,
6932         Output_merge_base::input_sections_end,
6933         Output_merge_base::do_set_keeps_input_sections): New method definitions.
6934         (Output_merge_base::bool keeps_input_sections_,
6935         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
6936         Output_merge_base::input_sections_): New data members.
6937         (Output_merge_data::do_set_keeps_input_sections): New method
6938         defintion.
6939         (Output_merge_string::do_set_keeps_input_sections): Ditto.
6940         * output.cc (Output_section::Input_section::relobj): Move method
6941         defintion from class declaration to here and handle merge sections.
6942         (Output_section::Input_section::shndx): Ditto.
6943         (Output_section::Output_section): Remove initializations of removed
6944         data members and initialize new data member LOOKUP_MAPS_.
6945         (Output_section::add_input_section): Set keeps-input-sections flag
6946         for a newly created merge output section as appropriate.  Adjust code
6947         to use Output_section_lookup_maps class.
6948         (Output_section::add_relaxed_input_section): Adjst code for lookup
6949         maps code refactoring.
6950         (Output_section::add_merge_input_section): Add a new parameter
6951         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
6952         class.  If adding input section to a newly created merge output
6953         section fails, remove the new merge section.
6954         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
6955         Adjust code for use of the Output_section_lookup_maps class.
6956         (Output_section::find_merge_section): Ditto.
6957         (Output_section::build_lookup_maps): New method defintion.
6958         (Output_section::find_relaxed_input_section): Adjust code to use
6959         Output_section_lookup_maps class.
6960         (Output_section::get_input_sections): Export merge sections.  Adjust
6961         code to use Output_section_lookup_maps class.
6962         (Output_section:::add_script_input_section): Adjust code to use
6963         Output_section_lookup_maps class.  Update lookup maps for merge
6964         sections also.
6965         (Output_section::discard_states): Use Output_section_lookup_maps.
6966         (Output_section::restore_states): Same.
6967         * output.h (Merge_section_properties): Move class defintion out of
6968         Output_section.
6969         (Output_section_lookup_maps): New class.
6970         (Output_section::Input_section::is_merge_section): New method
6971         defintion.
6972         (Output_section::Input_section::relobj): Move defintion out of class
6973         defintion.  Declare method only.
6974         (Output_section::Input_section::shndx): Ditto.
6975         (Output_section::Input_section::output_merge_base): New method defintion.
6976         (Output_section::Input_section::u2_.pomb): New union field.
6977         (Output_section::Merge_section_by_properties_map,
6978         Output_section::Output_section_data_by_input_section_map,
6979         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
6980         Remove types.
6981         (Output_section::add_merge_input_section): Add new parameter
6982         KEEPS_INPUT_SECTIONS.
6983         (Output_section::build_lookup_maps): New method declaration.
6984         (Output_section::merge_section_map_,
6985         Output_section::merge_section_by_properties_map_,
6986         Output_section::relaxed_input_section_map_,
6987         Output_section::is_relaxed_input_section_map_valid_): Remove data
6988         members.
6989         (Output_section::lookup_maps_): New data member.
6990
6991 2010-05-21  Doug Kwan  <dougkwan@google.com>
6992
6993         PR gold/11619
6994         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
6995         avoid a compilation error.
6996
6997 2010-05-19  Rafael Espindola  <espindola@google.com>
6998
6999         * script-sections.cc (Output_section_definition::allocate_to_segment):
7000         Update the phdrs_list even when the output section is NULL.
7001         * testsuite/Makefile.am: Add test.
7002         * testsuite/Makefile.in: Regenerate.
7003         * testsuite/script_test_9.cc: New.
7004         * testsuite/script_test_9.sh: New.
7005         * testsuite/script_test_9.t: New.
7006
7007 2010-05-19  Doug Kwan  <dougkwan@google.com>
7008
7009         * arm.cc (Arm_input_section::original_size): New method.
7010         (Arm_input_section::do_addralign): Add a cast.
7011         (Arm_input_section::do_output_offset): Remove static cast.
7012         (Arm_input_section::original_addralign,
7013          Arm_input_section::original_size_): Change type to uint32_t.
7014         (Arm_input_section::init): Add safe casts for section alignment
7015         and size.
7016         (Arm_input_section::set_final_data_size): Do not set address and
7017         offset of stub table.
7018         (Arm_output_section::fix_exidx_coverage): Change use of of
7019         Output_section::Simple_input_section to that of
7020         Output_section::Input_section.
7021         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
7022         except for the first pass.
7023         * output.cc (Output_section::get_input_sections): Change type of
7024         input_sections to std::list<Input_section>.
7025         (Output_section::add_script_input_section): Rename from
7026         Output_section::add_simple_input_section.  Change type of SIS
7027         parameter from Simple_input_section to Input_section.
7028         * output.h (Output_section::Simple_input_section): Remove class.
7029         (Output_section::Input_section): Change class visibility to public.
7030         (Output_section::Input_section::addralign): Use stored alignments
7031         for special input sections if set.
7032         (Output_section::Input_section::set_addralign): New method.
7033         (Output_section::get_input_sections): Change parameter type from
7034         list of Simple_input_section to list of Input_section.
7035         (Output_section::add_script_input_section): Rename from
7036         Output_section::add_simple_input_section. Change first parameter's
7037         type from Simple_input_section to Input_section and remove the
7038         second and third parameters.
7039         * script-sections.cc (Input_section::Input_section_list): Change
7040         type to list of Output_section::Input_section/
7041         (Input_section_info::Input_section_info): Change parameter type of
7042         INPUT_SECTION to Output_section::Input_section.
7043         (Input_section_info::input_section): Change return type.
7044         (Input_section_info::input_section_): Change type to
7045         Output_section::Input_section.
7046         (Output_section_element_input::set_section_addresses): Adjust code
7047         to use Output_section::Input_section instead of
7048         Output_section::Simple_input_section.  Adjust code for renaming
7049         of Output_section::add_simple_input_section.
7050         (Orphan_output_section::set_section_addresses): Ditto.
7051
7052 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7053
7054         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
7055         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
7056
7057 2010-05-18  Rafael Espindola  <espindola@google.com>
7058
7059         * options.cc (General_options::finalize): Handle -nostdlib.
7060         * options.h (nostdlib): New option.
7061         * script.cc (script_add_search_dir): Handle -nostdlib.
7062
7063 2010-05-12  Doug Kwan  <dougkwan@google.com>
7064
7065         * arm.cc (Target_arm::do_finalize_sections): Create an empty
7066         attributes section only if there no attributes section after merging.
7067         (Target_arm::merge_object_attributes): Move value of
7068         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
7069         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
7070         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
7071         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
7072         and arm_attr_merge_7.stdout.
7073         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
7074         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
7075         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
7076         arm_attr_merge_7b.o): New rules.
7077         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
7078         arm_attr_merge_7
7079         * testsuite/Makefile.in: Regenerate.
7080         * testsuite/arm_attr_merge.sh: New file.
7081         * testsuite/arm_attr_merge_[67][ab].s: Same.
7082
7083 2010-05-05  Nick Clifton  <nickc@redhat.com>
7084
7085         * po/es.po: Updated Spanish translation.
7086
7087 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
7088
7089         * Makefile.am (install-exec-local): Properly install gold as
7090         default cross linker.
7091         * Makefile.in: Regenerated.
7092
7093 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
7094             Nick Clifton  <nickc@redhat.com>
7095
7096         * configure.ac (install_as_default): Define and set to false
7097         unless --enable-gold or --enable-gold=both/gold has been
7098         specified.
7099         * configure: Regenerate.
7100
7101         * Makefile.am (install-exec-local): Install the executable as
7102         'ld.gold'.  If install_as_default is true then also install it as
7103         'ld'.
7104         * Makefile.in: Regenerated.
7105
7106 2010-04-24  Ian Lance Taylor  <iant@google.com>
7107
7108         * layout.cc (Layout::layout_reloc): In relocatable link don't
7109         combine reloc sections for grouped sections.
7110
7111 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
7112
7113         * gc.h (gc_process_relocs): Pass information on relocs pointing to
7114         sections that are not ordinary to icf.
7115         * icf.cc (get_section_contents): Handle relocation pointing to section
7116         with no object or shndx information.
7117         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
7118         * testsuite/Makefile.in: Regenerate.
7119         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
7120         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
7121
7122 2010-04-22  Ian Lance Taylor  <iant@google.com>
7123
7124         * expression.cc (Expression::Expression_eval_info): Add
7125         result_alignment_pointer field.
7126         (Expression::eval_with_dot): Add result_alignment_pointer
7127         parameter.  Change all callers.
7128         (Expression::eval_maybe_dot): Likewise.
7129         (class Binary_expression): Add alignment_pointer parameter to
7130         left_value and right_value.  Change all callers.
7131         (BINARY_EXPRESSION): Set result alignment.
7132         (class Trinary_expression): Add alignment_pointer parameter to
7133         arg2_value and arg3_value.  Change all callers.
7134         (Trinary_cond::value): Set result alignment.
7135         (Max_expression::value, Min_expression::value): Likewise.
7136         (Align_expression::value): Likewise.
7137         * script-sections.cc (class Sections_element): Add dot_alignment
7138         parameter to set_section_addresses virtual function.  Update
7139         instantiations.
7140         (class Output_section_element): Likewise.
7141         (Script_sections::create_segments): Add dot_alignment parameter.
7142         Change all callers.
7143         (Script_sections::create_segments_from_phdrs_clause): Likewise.
7144         (Script_sections::set_phdrs_clause_addresses): Likewise.
7145         * script-sections.h: Update declarations.
7146         * script.h: Update declarations.
7147         * output.h (Output_segment::set_minimum_p_align): Don't decrease
7148         min_p_align.
7149         * testsuite/script_test_3.t: Set large alignment.
7150         * testsuite/script_test_3.sh: Make sure that at least one LOAD
7151         segment has expected alignment.
7152
7153 2010-04-22  Nick Clifton  <nickc@redhat.com>
7154
7155         * po/gold.pot: Updated by the Translation project.
7156         * po/vi.po: Updated Vietnamese translation.
7157
7158 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
7159
7160         * testsuite/Makefile.am (check_PROGRAMS): Add
7161         icf_virtual_function_folding_test.
7162         * testsuite/Makefile.in: Regenerated.
7163
7164 2010-04-15  Andrew Haley  <aph@redhat.com>
7165
7166         * options.h (merge_exidx_entries): New option.
7167         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
7168         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
7169         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
7170         (Target_arm::merge_exidx_entries): New function.
7171         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
7172         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
7173         to Arm_exidx_fixup constructor.
7174         Add new arg, merge_exidx_entries.
7175         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
7176         Arm_output_section::fix_exidx_coverage.
7177
7178 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
7179
7180         * icf.cc (get_section_contents): Check for preemptible functions.
7181         Ignore addend when appropriate.
7182         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
7183         section folded.
7184         (add_from_relobj): Check for section folded.
7185         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
7186         * symtab.h (should_add_dynsym_entry): Add new parameter.
7187         * target-reloc.h (scan_relocs): Check for section folded.
7188         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
7189         Check reloc types for function pointers in shared objects.
7190         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
7191         case.
7192         (icf_preemptible_functions_test): New test case.
7193         (icf_string_merge_test): New test case.
7194         * testsuite.Makefile.in: Regenerate.
7195         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
7196         bar_glob.  Refactor code.
7197         * testsuite/icf_preemptible_functions_test.cc: New file.
7198         * testsuite/icf_preemptible_functions_test.sh: New file.
7199         * testsuite/icf_string_merge_test.cc: New file.
7200         * testsuite/icf_string_merge_test.sh: New file.
7201         * testsuite/icf_virtual_function_folding_test.cc: New file.
7202         * testsuite/icf_virtual_function_folding_test.sh: New file.
7203
7204 2010-04-14  Doug Kwan  <dougkwan@google.com>
7205
7206         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
7207         for local symbol recounting if we remove a section due to ICF.
7208         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
7209         there are no regular objects in input.
7210
7211 2010-04-13  Doug Kwan  <dougkwan@google.com>
7212
7213         * arm.cc (Arm_input_section::set_final_data_size): Compute
7214         accurate final data size instead of using current data size.
7215
7216 2010-04-09  Doug Kwan  <dougkwan@google.com>
7217
7218         * layout.cc (Layout::choose_output_section): Handle script section
7219         types.
7220         (Layout::make_output_section_for_script): Add section type parameter.
7221         Handle script section types.
7222         * layout.h (Layout::make_output_section_for_script): Add section
7223         type parameter.
7224         * output.cc (Output_section::Output_section): Initialize data member
7225         is_noload_.
7226         (Output_section::do_reset_address_and_file_offset): Do not set address
7227         to 0 if section is a NOLOAD section.
7228         * output.h (Output_section::is_noload): New method.
7229         (Output_section::set_is_noload): Ditto.
7230         (Output_section::is_noload_): New data member.
7231         * script-c.h (Script_section_type): New enum type.
7232         (struct Parser_output_section_header): Add new file section_type.
7233         * script-sections.cc (Sections_element::output_section_name): Add
7234         parameter for returning script section type.
7235         (Output_section_definition::output_section_name): Ditto.
7236         (Output_section_definition::section_type)P; New method.
7237         (Output_section_definiton::script_section_type_name): Ditto.
7238         (Output_section_definition::script_section_type_): New data member.
7239         (Output_section_definition::Output_section_definition): Initialize
7240         data member Output_section_definition::script_section_type_.
7241         (Output_section_definition::create_sections): Pass script section type
7242         to Layout::make_output_section_for_script.
7243         (Output_section_definition::output_section_name): Return script
7244         section type to caller.
7245         (Output_section_definition::set_section_address): Do not advance
7246         dot value and load address if section type is NOLOAD.  Set address
7247         of NOLOAD sections regardless of section flags.
7248         (Output_section_definition::print): Print section type if it is
7249         not SCRIPT_SECTION_TYPE_NONE.
7250         (Output_section_definition::section_type): New method.
7251         (Output_section_definition::script_section_type_name): Ditto.
7252         (Script_sections::output_section_name): Add new parameter
7253         PSECTION_TYPE for returning script section type.  Pass it to
7254         section elements.  Handle discard sections.
7255         (Sort_output_sections::operator()): Handle NOLOAD sections.
7256         * script-sections.h (Script_sections::Section_type): New enum type.
7257         (Script_sections::output_section_name): Add a new parameter for
7258         returning script section type.
7259         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
7260         INFO and NOLOAD.
7261         * yyscript.y (union): Add new field SECTION_TYPE.
7262         (COPY, DSECT, INFO, NOLOAD): New tokens.
7263         (opt_address_and_section_type): Change type to output_section_header.
7264         (section_type): New non-terminal
7265         (section_header): Handle section type.
7266         (opt_address_and_section_type): Return section type value.
7267
7268 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
7269
7270         * testsuite/plugin_common_test_1.c (foo): Add prototype.
7271         * testsuite/plugin_common_test_2.c (foo): Likewise.
7272
7273 2010-04-08  Doug Kwan  <dougkwan@google.com>
7274
7275         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
7276         Output_merge_data.
7277         * output.cc (Output_section::add_merge_input_section): Simplify
7278         code and return status of Output_merge_base::add_input_section.
7279         Update merge section map only if Output_merge_base::add_input_section
7280         returns true.
7281
7282 2010-04-07  Doug Kwan  <dougkwan@google.com>
7283
7284         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
7285         if section is marked as containing instructions but has no mapping
7286         symbols.
7287         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
7288         correct section index.
7289         (Arm_relobj::find_linked_text_section): Ditto.
7290
7291 2010-04-07  Cary Coutant  <ccoutant@google.com>
7292
7293         * archive.cc (include_member): Destroy Read_symbols_data object before
7294         releasing file.
7295         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
7296         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
7297         (Read_symbols_data::~Read_symbols_data) New destructor.
7298         (Section_relocs::Section_relocs) New constructor.
7299         (Section_relocs::~Section_relocs) New destructor.
7300         (Read_relocs_data::Read_relocs_data) New constructor.
7301         (Read_relocs_data::~Read_relocs_data) New destructor.
7302         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
7303         pointers to NULL after deleting.
7304
7305 2010-04-07  Doug Kwan  <dougkwan@google.com>
7306
7307         * arm.cc: Replace "endianity" with "endianness" in comments.
7308         (Arm_exidx_cantunwind): Ditto.
7309         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
7310         (Arm_relobj::merge_flags_and_attributes): New method.
7311         (Arm_relobj::merge_flags_and_attributes_): New data member.
7312         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
7313         (Arm_relobj::scan_sections_for_stubs): Ditto.
7314         (Arm_relobj::do_read_symbols): Check to see if we really want to
7315         merge processor-specific flags and attributes.  Exit early if
7316         an object is empty except for section names and the undefined symbol.
7317         (Target_arm::do_finalize_sections): Move check for ELF format to
7318         Arm_relobj::do_read_symbols.  Merge processor specific flags and
7319         attributes from a regular object only when we have determined that
7320         it is aapropriate.  Do not create an .ARM.attributes section in
7321         output if there is no regular input object.
7322         (Target_arm::merge_processor_specific_flags): Check
7323         --warn-mismatch before printing any error.
7324         (Target_arm::merge_object_attributes): Ditto.
7325         * gold.cc (queue_middle_tasks): Handle the case in which there is
7326         no regular object in input.
7327         * options.cc (General_options::parse_EB): New method.
7328         (General_options::parse_EL): Same.
7329         (General_options::General_options): Initialize endianness_.
7330         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
7331         New options.
7332         (General_options::Endianness): New enum.
7333         (General_options::endianness): New method.
7334         (General_options::endianness_): New data member.
7335         * parameters.cc (Parameters::set_options): Check target endianness.
7336         (Parameters::set_target_once): Ditto.
7337         (Parameters::check_target_endianness): New method.
7338         (parameters_force_valid_target): If either -EL or -EB is specified,
7339         use it to define endianness of default target.
7340         * parameters.h (Parameters::check_target_endianness): New method
7341         declaration.
7342         * target.h (class Target): Change "endianity" to "endianness"
7343         in comments.
7344
7345 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7346
7347         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
7348         * configure: Regenerate.
7349         * Makefile.in: Regenerate.
7350         * testsuite/Makefile.in: Regenerate.
7351
7352 2010-04-06  Cary Coutant  <ccoutant@google.com>
7353
7354         gcc PR lto/42757
7355         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
7356         prevailing definitions of common symbols.
7357         * testsuite/plugin_test_6.sh: New test case.
7358         * testsuite/plugin_common_test_1.c: New test case.
7359         * testsuite/plugin_common_test_2.c: New test case.
7360         * testsuite/Makefile.am (plugin_test_6): New test case.
7361         * testsuite/Makefile.in: Regenerate.
7362
7363 2010-04-06  Nick Clifton  <nickc@redhat.com>
7364
7365         * po/vi.po: New Vietnamese translation.
7366
7367 2010-03-30  Doug Kwan  <dougkwan@google.com>
7368
7369         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
7370
7371 2010-03-25  Doug Kwan  <dougkwan@google.com>
7372
7373         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
7374         to avoid a conversion warning on a 32-bit host.
7375
7376 2010-03-24  Ian Lance Taylor  <iant@google.com>
7377
7378         * testsuite/script_test_3.t: Add a TLS segment.
7379         * testsuite/Makefile.am (check_PROGRAMS): Add
7380         tls_phdrs_script_test.
7381         (tls_phdrs_script_test_SOURCES): Define.
7382         (tls_phdrs_script_test_DEPENDENCIES): Define.
7383         (tls_phdrs_script_test_LDFLAGS): Define.
7384         (tls_phdrs_script_test_LDADD): Define.
7385         * testsuite/Makefile.in: Rebuild.
7386
7387 2010-03-23  Cary Coutant  <ccoutant@google.com>
7388
7389         * fileread.cc (find_or_make_view): Fix comment.
7390
7391 2010-03-23  Ian Lance Taylor  <iant@google.com>
7392
7393         * script-sections.cc (class Orphan_section_placement): Define
7394         PLACE_TLS and PLACE_TLS_BSS.
7395         (Orphan_section_placement::Orphan_section_placement): Initialize
7396         new places.
7397         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
7398         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
7399         (tls_script_test_SOURCES): Define.
7400         (tls_script_test_DEPENDENCIES): Define.
7401         (tls_script_test_LDFLAGS): Define.
7402         (tls_script_test_LDADD): Define.
7403         * testsuite/Makefile.in: Rebuild.
7404
7405 2010-03-22  Doug Kwan  <dougkwan@google.com>
7406
7407         * arm.cc (Arm_relocate_functions::abs8,
7408         Arm_relocate_functions::abs16): Use correct check for overflow
7409         specified in the ARM ELF specs.
7410         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
7411         target of a BLX instruction specially.
7412         (Reloc_stub::stub_type_for_reloc): Ditto.
7413         (Relocate::relocate): Use symbolic names instead of numeric relocation
7414         codes to report error.
7415         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
7416         workaround.
7417         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
7418         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
7419         thumb2_blx_out_of_range.stdout
7420         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
7421         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
7422         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
7423         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
7424         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
7425         thumb2_blx_in_range, thumb2_blx_in_range.o,
7426         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
7427         thumb2_blx_out_of_range.o): New rules.
7428         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
7429         thumb2_blx_in_range and thumb2_blx_out_of_range.
7430         * testsuite/Makefile.in: Regenerate.
7431         * arm_branch_in_range.sh: Add tests for THUMB BLX.
7432         * testsuite/thumb_blx_in_range.s: New file.
7433         * testsuite/thumb_blx_out_of_range.s: New file.
7434
7435 2010-03-22  Rafael Espindola  <espindola@google.com>
7436
7437         * archive.cc (Should_include): Move to archive.h.
7438         (should_include_member): Make it a member of Archive.
7439         (Lib_group): New.
7440         (Add_lib_group_symbols): New.
7441         * archive.h: Include options.h.
7442         (Archive_member): Moved from Archive.
7443         (Should_include): Moved from archive.cc.
7444         (Lib_group): New.
7445         (Add_lib_group_symbols): New.
7446         * dynobj.cc (do_should_include_member): New.
7447         * dynobj.h (do_should_include_member): New.
7448         * gold.cc (queue_initial_tasks): Update call to queue.
7449         * main.cc (main): Print lib group stats.
7450         * object.cc (do_should_include_member): New.
7451         * object.h: Include archive.h.
7452         (Object::should_include_member): New.
7453         (Object::do_should_include_member): New.
7454         (Sized_relobj::do_should_include_member): New.
7455         * options.cc (General_options::parse_start_lib): New.
7456         (General_options::parse_end_lib): New.
7457         (Input_arguments::add_file): Handle lib groups.
7458         (Input_arguments::start_group): Check we are not in a lib.
7459         (Input_arguments::start_lib): New.
7460         (Input_arguments::end_lib): New.
7461         * options.h (General_options): Add start_lib and end_lib.
7462         (Input_argument::lib_): New.
7463         (Input_argument::lib): New.
7464         (Input_argument::is_lib): New.
7465         (Input_file_lib): New.
7466         (Input_arguments::in_lib_): New.
7467         (Input_arguments::in_lib): New.
7468         (Input_arguments::start_lib): New.
7469         (Input_arguments::end_lib_): New.
7470         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
7471         in unused members as preempted.
7472         (Sized_pluginobj::do_should_include_member): New.
7473         * plugin.h (Sized_pluginobj::do_should_include_member): New.
7474         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
7475         return the blocker.
7476         (Read_symbols::do_whole_lib_group): New.
7477         (Read_symbols::do_lib_group): New.
7478         (Read_symbols::do_read_symbols): Handle lib groups.
7479         (Read_symbols::get_name): Handle lib groups.
7480         * readsyms.h (Read_symbols): Add an archive member pointer.
7481         (Read_symbols::do_whole_lib_group): New.
7482         (Read_symbols::do_lib_group): New.
7483         (Read_symbols::member_): New.
7484         * script.cc (read_input_script): Update call to queue_soon.
7485
7486 2010-03-19  Doug Kwan  <dougkwan@google.com>
7487
7488         * arm.cc (Stub_table::Stub_table): Initialize new data members
7489         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
7490         (Stub_table::add_reloc_stub): Assign stub offset and update
7491         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
7492         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
7493         New data members.
7494         (Stub_table::update_data_size_and_addralign): Use
7495         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
7496         instead of going over all reloc stubs.
7497         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
7498         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
7499         Stringpool_template::offset_ to size of Stringpool_char.
7500         (Stringpool_template::new_key_offset): Remove code to initialize
7501         Stringpool_template::offset_.
7502         * stringpool.h (Stringpool_template::set_no_zero_null): Set
7503         Stringpool_template::offset_ to zero.
7504
7505 2010-03-15  Doug Kwan  <dougkwan@google.com>
7506
7507         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
7508         offset_.
7509         (Stringpool_template::new_key_offset): New method.
7510         (Stringpool_template::add_string): Assign offsets when adding new
7511         strings.
7512         (Stringpool_template::set_string_offsets): Do not set string offsets
7513         when not optimizing.
7514         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
7515         member size_.
7516         (Chunked_vector::clear): Clear size_.
7517         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
7518         (Chunked_vector::size): Return size_.
7519         (Chunked_vector::push_back): Use size_ to find insert position.
7520         (Chunked_vector::size_): New data member.
7521         (Stringpool_template::set_no_zero_null): Assert string set is empty.
7522         (Stringpool_template::new_key_offset): New method declaration.
7523         (Stringpool_template::offset_): New data member.
7524
7525 2010-03-15   Rafael Espindola  <espindola@google.com>
7526
7527         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
7528         Add_symbols' constructor.
7529         * readsyms.h (Add_symbols): Remove the input_group member.
7530
7531 2010-03-10  Ian Lance Taylor  <iant@google.com>
7532
7533         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
7534         target to ask whether a reference to a symbol requires a stack
7535         split.
7536         * target.h (Target::is_call_to_non_split): New function.
7537         (Target::do_is_call_to_non_split): Declare virtual function.
7538         * target.cc: Include "symtab.h".
7539         (Target::do_is_call_to_non_split): New function.
7540         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
7541
7542 2010-03-10  Cary Coutant  <ccoutant@google.com>
7543
7544         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
7545         (File_read::open[1]): Remove initial mapping of whole_file_view_.
7546         (File_read::open[2]): Add whole_file_view_ to list of views.
7547         (File_read::make_view): Remove test of whole_file_view_.
7548         (File_read::find_or_make_view): Create whole_file_view_ if
7549         necessary.
7550         (File_read::clear_views): Replace bool parameter with enum;
7551         adjust all callers.  Don't delete views with permanent data;
7552         do delete cached views and views from archives if
7553         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
7554         if clearing the corresponding view.
7555         * fileread.h (File_read::Clear_views_mode): New enum.
7556         (File_read::View::is_permanent_view): New method.
7557         (File_read::clear_views): Replace bool parameter
7558         with enum; adjust all callers.
7559         * options.h (General_options): Change keep_files_mapped option;
7560         add map_whole_files.
7561         * readsyms.cc (Add_symbols::run): Delete sd_ object before
7562         releasing the file.
7563         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
7564         the file.
7565
7566 2010-03-10  David S. Miller  <davem@davemloft.net>
7567
7568         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
7569
7570 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
7571
7572         * icf.cc (get_section_contents): Add '@' marker after processing the
7573         merge reloc.
7574
7575 2010-03-08  Doug Kwan  <dougkwan@google.com>
7576
7577         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
7578         due to a conversion warning.
7579         (Arm_relobj::update_output_local_symbol_count): Check for local
7580         symbol with unset output index.
7581
7582 2010-03-05  Ian Lance Taylor  <iant@google.com>
7583
7584         * options.h (class General_options): Add --spare-dynamic-tags.
7585         * output.cc (Output_data_dynamic::set_final_data_size): Implement
7586         --spare-dynamic-tags.
7587
7588 2010-03-05  Ian Lance Taylor  <iant@google.com>
7589
7590         * incremental.cc: Include "libiberty.h".
7591
7592 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7593
7594         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
7595         function, is_info_ member.
7596         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
7597         (Versions::Versions): Update caller.
7598         (Versions::define_base_version): Likewise.
7599         (Versions::add_def): Likewise.
7600
7601 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
7602
7603         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
7604         (Scan::possible_function_pointer_reloc): New function.
7605         (Scan::local_reloc_may_be_function_pointer): Change to call
7606         possible_function_pointer_reloc.
7607         (Scan::global_reloc_may_be_function_pointer): Ditto.
7608         * icf.h (Icf::check_section_for_function_pointers): Change to reject
7609         relocations in ".data.rel.ro._ZTV" section.
7610         * testsuite/icf_safe_so_test.sh: Change to pass i386.
7611         * testsuite/icf_safe_so_test.cc: Ditto.
7612         * testsuite/icf_safe_test.cc: Ditto.
7613         * testsuite/icf_safe_test.sh: Ditto.
7614
7615 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7616             Ian Lance Taylor  <iant@google.com>
7617
7618         * target-reloc.h (relocate_section): Check the symbol table index
7619         for -1U before setting the local symbol index.
7620         (scan_relocatable_relocs): If copying the relocation, record that
7621         the local symbol is required.
7622         * object.h (Symbol_value::is_output_symtab_index_set): New
7623         function.
7624         (Symbol_value::may_be_discarded_from_output_symtab): New
7625         function.
7626         (Symbol_value::has_output_symtab_entry): New function.
7627         (Symbol_value::needs_output_symtab_entry): Remove.
7628         (Symbol_value::output_symtab_index): Make sure the symbol index is
7629         set.
7630         (Symbol_value::set_output_symtab_index): Make sure the symbol
7631         index is not set.  Make sure the new index is valid.
7632         (Symbol_value::set_must_have_output_symtab_entry): New function.
7633         (Symbol_value::has_output_dynsym_entry): New function.
7634         (Symbol_value::set_output_dynsym_index): Make sure the new index
7635         is valid.
7636         (Sized_relobj::set_must_have_output_symtab_entry): New function.
7637         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
7638         local symbol if permitted.
7639         (Sized_relobj::do_finalize_local_symbols): Call
7640         is_output_symtab_index_set rather than needs_output_symtab_entry.
7641         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
7642         rather than needs_output_symtab_entry.  Call
7643         has_output_dynsym_entry rather than needs_output_dynsym_entry.
7644         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
7645         is_output_symtab_index_set rather than needs_output_symtab_entry.
7646         * testsuite/discard_locals_relocatable_test.c: New file.
7647         * testsuite/discard_locals_test.sh: Test -r.
7648         * testsuite/Makefile.am (check_DATA): Add
7649         discard_locals_relocatable_test1.syms,
7650         discard_local_relocatable_test2.syms.
7651         (MOSTLYCLEANFILES): Likewise.  Also add
7652         discard_locals_relocatable_test1.lout and
7653         discard_locals_relocatable_test2.out.
7654         (discard_locals_relocatable_test1.syms): New target.
7655         (discard_locals_relocatable_test.o): New target.
7656         (discard_locals_relocatable_test1.out): New target.
7657         (discard_locals_relocatable_test2.syms): New target.
7658         (discard_locals_relocatable_test2.out): New target.
7659         (various): Add missing ../ld-new dependencies.
7660         * testsuite/Makefile.in: Rebuild.
7661
7662 2010-03-03  Nick Clifton  <nickc@redhat.com>
7663
7664         * po/fi.po: New Finnish translation.
7665
7666 2010-03-01  Doug Kwan  <dougkwan@google.com>
7667
7668         * layout.cc (Layout::Layout): Force section types of .init_array*,
7669         .preinit_array* and .fini_array* sections.
7670         * output.cc (Output_section::Input_section_sort_entry::has_priority):
7671         Fix check of return value of std::string::find.().
7672         (Output_section::Input_section_sort_compare::operator()): Remove
7673         comment about .init_array.
7674         (Output_section::Input_section_sort_init_fini_compare::operator()):
7675         New method.
7676         (Output_section::sort_attached_input_sections): Handle .init_array
7677         and .fini_array specially.
7678         * output.h (Output_section::Inut_section_sort_compare): Update
7679         comment.
7680         (Output_section::Input_section_sort_init_fini_compare): New struct.
7681
7682 2010-02-26  Doug Kwan  <dougkwan@google.com>
7683
7684         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
7685         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
7686         * testsuite/debug_msg.sh: Avoid matching source line number for
7687         use of global variable undef_int.
7688
7689 2010-02-26  Doug Kwan  <dougkwan@google.com>
7690
7691         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
7692         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
7693         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
7694         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
7695         * options.cc (General_options::General_options): Initialize member
7696         fix_v4bx_.
7697         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
7698         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
7699         and rm_no_fix_v4bx.stdout
7700         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
7701         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
7702         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
7703         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
7704         and arm_no_fix_v4bx.
7705         * Makefile.in: Regenerate.
7706         * testsuite/arm_fix_v4bx.s: New file.
7707         * testsuite/arm_fix_v4bx.sh: Ditto.
7708
7709 2010-02-24  Doug Kwan  <dougkwan@google.com>
7710
7711         * arm.cc (Target_arm::got_section): Make the .got section the first
7712         non RELRO section in the data segment.
7713         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
7714         suffixes of section names.
7715
7716 2010-02-24  Doug Kwan  <dougkwan@google.com>
7717
7718         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
7719         flags and attributes merging if an input file is a binary file.
7720         * fileread.cc (Input_file::open): Record format of original file.
7721         * fileread.h (Input_file::Format): New enum type.
7722         (Input_file::Input_file): Initialize data member format_.
7723         (Input_file::format): New method definition.
7724         (Input_file::format_):: New data member.
7725
7726 2010-02-24  Doug Kwan  <dougkwan@google.com>
7727
7728         * arm.cc (Arm_output_data_got): New class.
7729         (ARM_TCB_SIZE): New constant
7730         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
7731         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
7732         If user uses a script with a SECTIONS clause, issue only a warning
7733         for a misplaced EXIDX input section.  Otherwise, issue an error.
7734         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
7735         garbage collection.
7736         (Target_arm::got_mode_index_entry): Handle static linking.
7737         (Target_arm::Scan::local): Ditto.
7738         (Target_arm::Scan::global): Ditto.
7739         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
7740         all incorrectly implemented relocations.
7741         (Target_arm::fix_exidx_coverage): Pass layout to
7742         Arm_output_section::fix_exidx_coverage.
7743         * layout.cc (Layout::section_name_mapping): Remove trailing dots
7744         from ".ARM.exidx." and ".ARM.extab.".
7745
7746 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7747
7748         * arm.cc (Target_arm::do_finalize_sections): Create attribute
7749         section if it does not already exist.
7750         * attributes.cc (Attributes_section_data::Attributes_section_data):
7751         Don't crash if size is zero.
7752
7753 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7754             Ian Lance Taylor  <iant@google.com>
7755
7756         * gold.cc (queue_middle_tasks): If no input files were opened,
7757         exit.
7758         * workqueue.h (Task_function::Task_function): Assert that there is
7759         a blocker.
7760
7761 2010-02-22  Doug Kwan  <dougkwan@google.com>
7762
7763         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
7764         * icf.cc (get_section_contents): Cast snprintf arguments to long long
7765         types to avoid warnings due to different uint64_t implementations
7766         on different hosts.
7767
7768 2010-02-21  Doug Kwan  <dougkwan@google.com>
7769
7770         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
7771         handling of the maximum backward branch offset.
7772         (Arm_relocate_functions::thumb_branch_common): Ditto.
7773         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
7774         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
7775         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
7776         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
7777         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
7778         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
7779         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
7780         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
7781         thumb_bl_out_of_range thumb_bl_out_of_range.o,
7782         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
7783         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
7784         thumb2_bl_out_of_range.o): New rules.
7785         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
7786         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
7787         thumb2_bl_out_of_range
7788         * testsuite/Makefile.in: Regenerate.
7789         * testsuite/arm_bl_in_range.s: New file.
7790         * testsuite/arm_bl_out_of_range.s: Ditto.
7791         * testsuite/arm_branch_in_range.sh: Ditto.
7792         * testsuite/arm_branch_range.t: Ditto.
7793         * testsuite/thumb2_branch_range.t: Ditto.
7794         * testsuite/thumb_bl_in_range.s: Ditto.
7795         * testsuite/thumb_bl_out_of_range.s: Ditto.
7796         * testsuite/thumb_branch_range.t: Ditto.
7797
7798 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
7799
7800         * gc.h (gc_process_relocs): Change vectors to point to the new list.
7801         Add reloc offset information.
7802         * icf.cc (get_section_contents): Change iterators to point to the new
7803         vectors. Add reloc offset information to the contents.
7804         * icf.h (Icf::Sections_reachable_info): New typedef.
7805         (Icf::Sections_reachable_list): New typedef.
7806         (Icf::Offset_info): New typedef.
7807         (Icf::Reloc_info): New struct typedef.
7808         (Icf::Reloc_info_list): New typedef.
7809         (Icf::symbol_reloc_list): Delete method.
7810         (Icf::addend_reloc_list): Delete method.
7811         (Icf::section_reloc_list): Delete method.
7812         (Icf::reloc_info_list): New method.
7813         (Icf::reloc_info_list_): New member.
7814
7815 2010-02-19  Doug Kwan  <dougkwan@google.com>
7816
7817         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
7818         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
7819         * arm.cc (Arm_relocation_functions): New forward declaration.
7820         (Target_arm::Target_arm): Initialize new data members
7821         got_mod_index_offset_ and tls_base_symbol_defined_.
7822         (Target_arm::Relocate::relocate_tls): New method.
7823         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
7824          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
7825         New methods.
7826         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
7827         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
7828         (Target_arm::got_mod_index_offset_,
7829         Target_arm::tls_base_symbol_defined_): New data members.
7830         (Target_arm::Scan::local, Target::Scan::global,
7831         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
7832         relocations.
7833
7834 2010-02-18  Doug Kwan  <dougkwan@google.com>
7835
7836         * arm.cc (Arm_relobj::find_linked_text_section): New method.
7837         (Arm_relobj::make_exidx_input_section): Pass section index of linked
7838         text section as a parameter becuase some broken tools may not set
7839         the link in section header.
7840         (Target_arm::has_got_section): New method.
7841         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
7842         without any mapping symbol as data only.  Remove warning.
7843         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
7844         link in its section header, try to discover the link by inspecting the
7845         REL31 relocation at the beginning of the section.
7846         (Target_arm::Scan::check_non_pic): Report name of offending relocation
7847         in error message.
7848         (Target_arm::Scan::global): Treat any reference to the symbol
7849         _GLOBAL_OFFSET_TABLE_ as a GOT access.
7850
7851 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
7852
7853         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
7854         (Scan::global_reloc_may_be_function_pointer): New function.
7855         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7856         (Scan::global_reloc_may_be_function_pointer): New function.
7857         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7858         (Scan::global_reloc_may_be_function_pointer): New function.
7859         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
7860         (Scan::global_reloc_may_be_function_pointer): New function.
7861         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
7862         (Scan::global_reloc_may_be_function_pointer): New function.
7863         (Scan::possible_function_pointer_reloc): New function.
7864         (Target_x86_64::can_check_for_function_pointers): New function.
7865         * gc.h (gc_process_relocs): Scan relocation types to determine if
7866         function pointers were taken for targets that support it.
7867         * icf.cc (Icf::find_identical_sections): Include functions for
7868         folding in safe ICF whose pointer is not taken.
7869         * icf.h (Secn_fptr_taken_set): New typedef.
7870         (fptr_section_id_): New member.
7871         (section_has_function_pointers): New function.
7872         (set_section_has_function_pointers): New function.
7873         (check_section_for_function_pointers): New function.
7874         * options.h: Fix comment for safe ICF option.
7875         * target.h (can_check_for_function_pointers): New function.
7876         * testsuite/Makefile.am: Add icf_safe_so_test test case.
7877         Modify icf_safe_test for X86-64.
7878         * testsuite/Makefile.in: Regenerate.
7879         * testsuite/icf_safe_so_test.cc: New file.
7880         * testsuite/icf_safe_so_test.sh: New file.
7881         * testsuite/icf_safe_test.cc (kept_func_3): New function.
7882         (main): Change to take pointer to function kept_func_3.
7883         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
7884         folding is done correctly for X86-64.
7885
7886 2010-02-12  David S. Miller  <davem@davemloft.net>
7887
7888         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
7889         is_symbolless parameter.
7890         (Output_reloc<SHT_REL>::is_symbolless): New.
7891         (Output_reloc<SHT_REL>::is_symbolless_): New.
7892         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
7893         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
7894         (Output_reloc<SHT_RELA>::is_symbolless): New.
7895         (Output_data_reloc::add_global): Handle is_symbolless.
7896         (Output_data_reloc::add_global_relative): Likewise.
7897         (Output_data_reloc::add_local): Likewise.
7898         (Output_data_reloc::add_local_relative): Likewise.
7899         (Output_data_reloc::add_symbolless_global_addend): New.
7900         (Output_data_reloc::add_symbolless_local_addend): New.
7901         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
7902         is_symbolless.
7903         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
7904         instead of ->is_relative_
7905         (Output_reloc::write): Likewise.
7906         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
7907         (Output_reloc::write_rel): Simplify.
7908
7909         * sparc.cc (Target_sparc::Scan::local): Use
7910         ->add_symbolless_local_addend as needed.
7911         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
7912         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
7913         based upon relocation offset.
7914
7915 2010-02-11  Doug Kwan  <dougkwan@google.com>
7916
7917         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
7918         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
7919         beginning of function.
7920         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
7921         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
7922         parameter is_32bit in calls to should_apply_static_reloc.
7923         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
7924         (check_DATA): Add arm_abs_global.stdout.
7925         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
7926         arm_abs_global.stdout): New rules.
7927         (MOSTLLYCLEANFILES): Add arm_abs_global
7928         * Makefile.in: Regenerate.
7929         * testsuite/arm_abs_global.s: New file.
7930         * testsuite/arm_abs_global.sh: Ditto.
7931         * testsuite/arm_abs_lib.s: Ditto.
7932
7933 2010-02-11  Ian Lance Taylor  <iant@google.com>
7934
7935         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
7936         Read_relocs task.
7937         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
7938         Allocate_commons_task first.
7939         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
7940         task, rather than symtab_lock_.
7941         (Gc_process_relocs::~Gc_process_relocs): New function.
7942         (Gc_process_relocs::is_runnable): Check this_blocker_.
7943         (Gc_process_relocs::locks): Use next_blocker_ rather than
7944         blocker_.
7945         (Scan_relocs::~Scan_relocs): New function.
7946         (Scan_relocs::is_runnable): Check this_blocker_ rather than
7947         symtab_lock_.
7948         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
7949         next_blocker_.
7950         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
7951         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
7952         constructor accordingly.
7953         (class Gc_process_relocs): Likewise.
7954         (class Scan_relocs): Likewise.
7955         * common.h (class Allocate_commons_task): Remove symtab_lock_
7956         field, and corresponding constructor parameter.
7957         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
7958         symtab_lock_.
7959         (Allocate_commons_task::locks): Likewise.
7960
7961 2010-02-11  Ian Lance Taylor  <iant@google.com>
7962
7963         * gold-threads.h (class Once): Define.
7964         (class Initialize_lock): Rewrite as child of Once.
7965         * gold-threads.cc (class Once_initialize): Define.
7966         (once_pointer_control): New static variable.
7967         (once_pointer, once_arg): New static variables.
7968         (c_run_once): New static function.
7969         (Once::Once, Once::run_once, Once::internal_run): New functions.
7970         (class Initialize_lock_once): Remove.
7971         (initialize_lock_control): Remove.
7972         (initialize_lock_pointer): Remove.
7973         (initialize_lock_once): Remove.
7974         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
7975         (Initialize_lock::initialize): Rewrite.
7976         (Initialize_lock::do_run_once): New function.
7977         * archive.cc (Archive::interpret_header): Only clear name if it is
7978         not already empty.
7979         * fileread.cc: Include "gold-threads.h"
7980         (file_counts_lock): New static variable.
7981         (file_counts_initialize_lock): Likewise.
7982         (File_read::release): Only increment counts when using --stats.
7983         Use a lock around the increment.
7984         * parameters.cc (class Set_parameters_target_once): Define.
7985         (set_parameters_target_once): New static variable.
7986         (Parameters::Parameters): Move here from parameters.h.
7987         (Parameters::set_target): Rewrite.
7988         (Parameters::set_target_once): New function.
7989         (Parameters::clear_target): Move here and rewrite.
7990         * parameters.h (class Parameters): Update declarations.  Add
7991         set_parameters_target_once_ field.
7992         (Parameters::Parameters): Move to parameters.cc.
7993         (Parameters::clear_target): Likewise.
7994         * readsyms.cc (Read_symbols::do_group): Create a Start_group
7995         task.
7996         (Start_group::~Start_group): New function.
7997         (Start_group::is_runnable): New function.
7998         (Start_group::locks, Start_group::run): New functions.
7999         (Finish_group::run): Change saw_undefined to size_t.
8000         * readsyms.h (class Start_group): Define.
8001         (class Finish_group): Change saw_undefined_ field to size_t.
8002         (Finish_group::Finish_group): Remove saw_undefined and
8003         this_blocker parameters.  Change all callers.
8004         (Finish_group::set_saw_undefined): New function.
8005         (Finish_group::set_blocker): New function.
8006         * symtab.h (class Symbol_table): Change saw_undefined to return
8007         size_t.  Change saw_undefined_ field to size_t.
8008         * target-select.cc (Set_target_once::do_run_once): New function.
8009         (Target_selector::Target_selector): Initialize set_target_once_
8010         field.  Don't initialize lock_ and initialize_lock_ fields.
8011         (Target_selector::instantiate_target): Rewrite.
8012         (Target_selector::set_target): New function.
8013         * target-select.h (class Set_target_once): Define.
8014         (class Target_selector): Update declarations.  Make
8015         Set_target_once a friend.  Remove lock_ and initialize_lock_
8016         fields.  Add set_target_once_ field.
8017
8018 2010-02-10  Ian Lance Taylor  <iant@google.com>
8019
8020         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
8021         queueing any tasks.
8022         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
8023         (queue_middle_tasks): Add all blockers before queueing any tasks.
8024         (queue_final_tasks): Likewise.
8025         * token.h (Task_token::add_blockers): New function.
8026         * object.h (Input_objects::number_of_relobjs): New function.
8027
8028 2010-02-10  Ian Lance Taylor  <iant@google.com>
8029
8030         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
8031         shared, not if not position independent.
8032         * x86_64.cc (Relocate::relocate_tls): Likewise.
8033         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
8034         (tls_pie_pic_test): New target.
8035         * testsuite/Makefile.in: Rebuild.
8036
8037         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
8038         (tls_test_main_pie.o, tls_test_pie.o): New targets.
8039         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
8040         * testsuite/Makefile.in: Rebuild.
8041
8042 2010-02-09  David S. Miller  <davem@davemloft.net>
8043
8044         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
8045         R_SPARC_RELATIVE using ->add_local_relative().
8046         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
8047
8048         * output.h (Output_data_dynamic::add_section_size): New method
8049         that takes two Output_data objects.
8050         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
8051         entry param.  Handle it in initializers.
8052         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
8053         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
8054         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
8055         arg.
8056         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
8057         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
8058         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
8059         for dynrel_includes_plt.
8060         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8061         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8062         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
8063         before .rela.plt
8064         (Target_sparc::do_finalize_sections): Update to pass true for
8065         dynrel_includes_plt.
8066         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
8067         output before .rela.plt
8068         (Target_powerpc::do_finalize_sections): Update to pass true for
8069         dynrel_includes_plt when 32-bit.
8070
8071 2010-02-08  Doug Kwan  <dougkwan@google.com>
8072
8073         * arm.cc (Arm_relobj::simple_input_section_output_address): New
8074         method.
8075         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
8076         Arm_relobj::scan_section_for_cortex_a8_stubs,
8077         Arm_relobj::do_relocation_section): Instead of calling
8078         Output_section::output_address, use faster
8079         Arm_relobj::simple_input_section_output_address.
8080
8081 2010-02-08  David S. Miller  <davem@davemloft.net>
8082
8083         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
8084         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
8085         relocation helper function.
8086
8087         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
8088         just like R_SPARC_GOT{10,13,22}.
8089         (Target_sparc::Scan::local): Likewise.
8090         (Target_sparc::Relocate:relocate): Likewise.
8091
8092 2010-02-06  Ian Lance Taylor  <iant@google.com>
8093
8094         * configure.ac: Rewrite targetobjs duplicate removal code to use
8095         only shell constructs.
8096         * configure: Rebuild.
8097
8098 2010-02-05  Doug Kwan  <dougkwan@google.com>
8099
8100         PR 11247
8101         * arm.cc (Arm_relobj::section_is_scannable): New method.
8102         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
8103         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
8104
8105 2010-02-04  Doug Kwan  <dougkwan@google.com>
8106
8107         PR 11247
8108         * arm-reloc-property.cc (cstdio): Include.
8109         * configure.ac (targetobjs): Remove duplicates.
8110         * configure: Regenerate.
8111         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
8112         big and little endian version for a given address size.
8113
8114 2010-02-03  Doug Kwan  <dougkwan@google.com>
8115
8116         * arm-reloc-property.cc
8117         (Arm_reloc_property_table::reloc_name_in_error_message): New method
8118         definition.
8119         * arm-reloc-property.h
8120         (Arm_reloc_property_table::get_implemented_static_reloc_property):
8121         New method definition.
8122         (Arm_reloc_property_table::reloc_name_in_error_message): New method
8123         declaration.
8124         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
8125         overflow to N.
8126         (GOT_PREL): Change implemented to Y.
8127         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
8128         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
8129         (Arm_relocate_functions::movw_abs_nc): Remove method.
8130         (Arm_relocate_functions::movt_abs): Ditto.
8131         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
8132         (Arm_relocate_functions::thm_movt_abs): Ditto.
8133         (Arm_relocate_functions::movw_rel_nc): Ditto.
8134         (Arm_relocate_functions::movw_rel): Ditto.
8135         (Arm_relocate_functions::movt_rel): Ditto.
8136         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
8137         (Arm_relocate_functions:thm_movw_rel): Ditto.
8138         (Arm_relocate_functions:thm_movt_rel): Ditto.
8139         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
8140         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
8141         New method definitions.
8142         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
8143         (Arm_relocation_functions::arm_grp_ldr): Ditto.
8144         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
8145         (Arm_relocation_functions::arm_grp_ldc): Ditto.
8146         (Target_arm::Relocate::relocate): Check for non-static or
8147         unimplemented relocation code and exit early.  Change calls to
8148         Target_arm::reloc_uses_thumb_bit and
8149         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
8150         instead.  Refactor code to handle similar relocations to increase
8151         code sharing.  Remove check for unsupported relocation code in switch
8152         statement.
8153         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
8154         relocation property table to find out size.  Change error message to
8155         print out the name of a relocation code instead of the numeric value.
8156         (Target_arm::scan_reloc_for_stub): Use relocation property table
8157         instead of calling Target_arm::reloc_uses_thumb_bit().
8158
8159 2010-02-02  Doug Kwan  <dougkwan@google.com>
8160
8161         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
8162         types of relaxed input section.
8163
8164 2010-02-02  Doug Kwan  <dougkwan@google.com>
8165
8166         * Makefile.am (HFILES): Add arm-reloc-property.h.
8167         (DEFFILES): New.
8168         (TARGETSOURCES): Add arm-reloc-property.cc
8169         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
8170         (libgold_a_SOURCES): $(DEFFILES)
8171         * Makefile.in: Regenerate.
8172         * arm-reloc-property.cc: New file.
8173         * arm-reloc-property.h: New file.
8174         * arm-reloc.def: New file.
8175         * arm.cc: Update comments.
8176         (arm-reloc-property.h): New included header.
8177         (arm_reloc_property_table): New global variable.
8178         (Target_arm::do_select_as_default_target): New method definition.
8179         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
8180         arm-reloc-property to targ_extra_obj.
8181         * parameters.cc (set_parameters_target): Call
8182         Target::select_as_default_target().
8183         * target.h (Target::select_as_default_target): New method definition.
8184         (Target::do_select_as_default_target): Same.
8185
8186 2010-02-01  Doug Kwan  <dougkwan@google.com>
8187
8188         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
8189         first_output_text_section_.
8190         (Arm_exidx_fixup::first_output_text_section): New method definition.
8191         (Arm_exidx_fixup::first_output_text_section_): New data member.
8192         (Arm_exidx_fixup::process_exidx_section): Record the first text
8193         output section seen.
8194         (Arm_output_section::fix_exidx_coverage): Set correct linked section
8195         and entsize in output section header.
8196
8197 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8198
8199         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
8200         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
8201         (Arm_relocate_functions::thm_alu11): New Method.
8202         (Arm_relocate_functions::thm_pc8): New Method.
8203         (Arm_relocate_functions::thm_pc12): New Method.
8204         (Target_arm::Scan::local): Handle the relocations.
8205         (Target_arm::Scan::global): Likewise.
8206         (Target_arm::Relocate::relocate): Likewise.
8207         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8208
8209 2010-01-29  Doug Kwan  <dougkwan@google.com>
8210
8211         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
8212         of relocation types as ld.
8213
8214 2010-01-29  Doug Kwan  <dougkwan@google.com>
8215
8216         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
8217         to public.
8218         (Arm_relocate_functions::thumb_branch_common): Ditto.
8219         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
8220         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
8221         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
8222         Arm_relocate_functions::jump24): Remove.
8223         (Target_arm::Relocate::relocate): Adjust code to call
8224         Arm_relocation_functions::arm_branch_common and
8225         Arm_relocation_functions::thumb_branch_common instead of their removed
8226         wrappers.  Merge switch-cases together to reduce source code size.
8227
8228 2010-01-29  Doug Kwan  <dougkwan@google.com>
8229
8230         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
8231         output_local_symbol_count_needs_update_.
8232         (Arm_relobj::output_local_symbol_count_needs_update,
8233          Arm_relobj::set_output_local_symbol_count_needs_update,
8234          Arm_relobj::update_output_local_symbol_count): New methods.
8235         (Arm_relobj::output_local_symbol_count_needs_update_): New data
8236         member.
8237         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
8238         of pointed function as in a R_ARM_PREL31 relocation.
8239         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
8240         for output local symbol count updating.
8241         (Target_arm::do_relax): Update output local symbol counts in objects
8242         if necessary.
8243         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
8244
8245 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8246
8247         * arm.cc: Added support for the ARM relocations:
8248         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
8249         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
8250         (Arm_relocate_functions::movw_rel_nc): Renamed (was
8251         movw_prel_nc).
8252         (Arm_relocate_functions::movw_rel): New method.
8253         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
8254         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
8255         thm_movw_prel_nc).
8256         (Arm_relocate_functions::thm_movw_rel): New method.
8257         (Arm_relocate_functions::thm_movt_rel): Renamed (was
8258         thm_movt_prel).
8259         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
8260         relocations.
8261         (Target_arm::Scan::global): Likewise.
8262         (Target_arm::Relocate::relocate): Likewise.
8263         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8264         Likewise.
8265
8266 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8267
8268         * arm.cc: Added support for ARM group relocations.
8269         (Target_arm::reloc_needs_sym_origin): New method.
8270         (Arm_relocate_functions::calc_grp_kn): New method.
8271         (Arm_relocate_functions::calc_grp_residual): New method.
8272         (Arm_relocate_functions::calc_grp_gn): New method.
8273         (Arm_relocate_functions::arm_grp_alu): New Method.
8274         (Arm_relocate_functions::arm_grp_ldr): New Method.
8275         (Arm_relocate_functions::arm_grp_ldrs): New Method.
8276         (Arm_relocate_functions::arm_grp_ldc): New Method.
8277         (Target_arm::Scan::local): Handle the ARM group relocations.
8278         (Target_arm::Scan::global): Likewise.
8279         (Target_arm::Relocate::relocate): Likewise.
8280         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8281         Likewise.
8282
8283 2010-01-26  Doug Kwan  <dougkwan@google.com>
8284
8285         * arm.cc (set): Include.
8286         (class Arm_exidx_fixup): Change type of last_input_section_ to const
8287         pointer type.
8288         (Arm_output_section::Text_section_list): New type.
8289         (Arm_output_section::append_text_sections_to_list): New method.
8290         (Arm_output_section::fix_exidx_coverage): Ditto.
8291         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
8292         (Arm_relobj::convert_input_section_to_relaxed_section): Use
8293         Relobj::set_section_offset() instead of
8294         Sized_relobj::invalidate_section_offset().
8295         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
8296         parameter for section headers. Ignore relocation sections for
8297         unallocated sections and EXIDX sections.
8298         (Target_arm::fix_exidx_coverage): New method.
8299         (Target_arm::output_section_address_less_than): New type.
8300         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
8301         linked text section instead of the EXIDX section.
8302         (Arm_output_section::create_stub_group): Add an assertion to check
8303         that this is not an EXIDX output section.
8304         (Arm_output_section::append_text_sections_to_list): New method.
8305         (Arm_output_section::fix_exidx_coverage): Ditto.
8306         (Arm_relobj::scan_sections_for_stubs): Adjust call to
8307         Arm_relobj::section_needs_reloc_stub_scanning.
8308         (Target_arm::do_relax): Fix EXIDX output section coverage in the
8309         first pass.
8310         (Target_arm::fix_exidx_coverage): New method.
8311         * object.h (Relobj::set_output_section): New method.
8312         (Sized_relobj::invalidate_section_offset): Remove method.
8313         (Sized_relobj::do_invalidate_section_offset): Remove method.
8314         (Sized_relobj::do_set_section_offset): Handle offset value -1.
8315
8316 2010-01-25  Doug Kwan  <dougkwan@google.com>
8317
8318         * arm.cc (Arm_exidx_merged_section::do_output_offset):
8319         Fix warning due to signed and unsigned comparison on a 32-bit host.
8320
8321 2010-01-22  Doug Kwan  <dougkwan@google.com>
8322
8323         * arm.cc (Target_arm::do_relax): Record an output section for section
8324         offset adjustment it contains any stub table that has changed.
8325         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
8326         offsets in an output section if necessary.
8327         * output.cc (Output_section::Output_section): Initialize
8328         section_offsets_need_adjustments_.
8329         (Output_section::add_input_section_for_script): Renamed to
8330         Output_section::add_simple_input_section.
8331         (Output_section::save_states): Add a comment.
8332         (Output_section::discard_states): New method defintion.
8333         (Output_section::adjust_section_offsets): Same.
8334         * output.h (Output_section::add_input_section_for_script): Renamed to
8335         Output_section::add_simple_input_section.
8336         (Output_section::discard_states): New method declaration.
8337         (Output_section::adjust_section_offsets): Same.
8338         (Output_section::section_offsets_need_adjustment,
8339         Output_section::set_section_offsets_need_adjustment): New method
8340         definitions.
8341         (Output_section::section_offsets_need_adjustment_): New data member.
8342         * script-sections.cc
8343         (Output_section_element_input::set_section_address): Adjust code for
8344         renaming of Output_section::add_input_section_for_script.
8345         (Orphan_output_section::set_section_address): Same.
8346
8347 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8348
8349         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
8350         Fix_v4bx enum values .
8351         * gold/options.h (General_options): New option definitions.
8352         (General_options::fix_v4bx): New method.
8353         (General_options::Fix_v4bx): New enum.
8354         * gold/options.cc (General_options::parse_fix_v4bx): New method.
8355         (General_options::parse_fix_v4bx_interworking): New method.
8356
8357 2010-01-22  Doug Kwan  <dougkwan@google.com>
8358
8359         * arm.cc (Arm_exidx_fixup): New class.
8360
8361 2010-01-21  Doug Kwan  <dougkwan@google.com>
8362
8363         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
8364         classes.
8365         (Arm_exidx_section_offset_map): New type.
8366
8367 2010-01-21  Doug Kwan  <dougkwan@google.com>
8368
8369         * arm.cc (Arm_exidx_input_section): New class.
8370         (Arm_relobj::exidx_input_section_by_link,
8371         Arm_relobj::exidx_input_section_by_shndx,
8372         Arm_relobj::make_exidx_input_section): New methods.
8373         (read_arm_attributes_section): Remove.
8374         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
8375         information about them.
8376         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
8377         to here.
8378
8379 2010-01-20  Doug Kwan  <dougkwan@google.com>
8380
8381         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
8382         Input_section_specifier to Section_id.
8383         (Target_arm::new_arm_input_section: Adjust code for change of key
8384         type.
8385         (Target_arm::find_arm_input_section): Ditto.
8386         * gc.h (object.h): Include for Section_id nand Section_id_hash.
8387         (Section_id): Remove.
8388         (Garbage_collection::Section_id_hash): Remove.
8389         * icf.h (object.h): Include for Section_id nand Section_id_hash.
8390         (Section_id): Remove.
8391         (Icf::Section_id_hash): Remove.
8392         * object.h (Section_id, Const_section_id, Section_id_hash,
8393         Const_section_id_hash): New type definitions.
8394         * output.cc (Output_section::add_relaxed_input_section): Change to
8395         use Const_section_id instead of Input_section_specifier as key type.
8396         (Output_section::add_merge_input_section): Ditto.
8397         (Output_section::build_relaxation_map): Change to use Section_id
8398         instead of Input_section_specifier as key type.
8399         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8400         Ditto.
8401         (Output_section::convert_input_sections_to_relaxed_sections): Change
8402         to use Const_section_id instead of Input_section_specifier as key type.
8403         (Output_section::find_merge_section): Ditto.
8404         (Output_section::find_relaxed_input_section): Ditto.
8405         * output.h (Input_section_specifier): Remove class.
8406         (Output_section::Output_section_data_by_input_section_map): Change
8407         key type to Const_section_id.
8408         (Output_section::Output_relaxed_input_section_by_input_section_map):
8409         Ditto.
8410         (Output_section::Relaxation_map): Change key type to Section_id.
8411
8412 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8413
8414         * gold/arm.cc: Added support for R_ARM_V4BX relocation
8415         (class Arm_v4bx_stub): New class.
8416         (DEF_STUBS): Updated definition to support v4_veneer_bx.
8417         (Stub_factory::make_arm_v4bx_stub): New method.
8418         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
8419         (Stub_table::empty): Handle v4bx stubs.
8420         (Stub_table::add_arm_v4bx_stub): New method.
8421         (Stub_table::find_arm_v4bx_stub): New method.
8422         (Arm_relocate_functions::v4bx): New method.
8423         (Target_arm::fix_v4bx): New method.
8424         (Target_arm::Target_arm): Handle R_ARM_V4BX.
8425         (Stub_table::relocate_stubs): Likewise.
8426         (Stub_table::do_write): Likewise.
8427         (Stub_table::update_data_size_and_addralign): Likewise.
8428         (Stub_table::finalize_stubs):  Likewise.
8429         (Target_arm::Scan::local): Likewise.
8430         (Target_arm::Scan::global): Likewise.
8431         (Target_arm::do_finalize_sections): Likewise.
8432         (Target_arm::Relocate::relocate): Likewise.
8433         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8434         Likewise.
8435         (Target_arm::scan_reloc_for_stub): Likewise.
8436         (Target_arm::scan_reloc_section_for_stubs): Likewise.
8437
8438 2010-01-19  Ian Lance Taylor  <iant@google.com>
8439
8440         * output.cc (Output_section_headers::do_sized_write): Write large
8441         segment count to sh_info field.
8442         (Output_file_header::do_sized_write): For large segment count,
8443         write PN_XNUM to e_phnum field.
8444
8445 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8446
8447         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
8448         (Arm_relocate_functions::thm_jump8): New function.
8449         (Arm_relocate_functions::thm_jump11): New function.
8450         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
8451         R_ARM_THM_JUMP11.
8452         (Target_arm::Scan::global): Likewise.
8453         (Target_arm::Relocate::relocate): Likewise.
8454         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8455         Likewise.
8456
8457 2010-01-14  Doug Kwan  <dougkwan@google.com>
8458
8459         * arm.cc (map, utility): Include headers.
8460         (Target_arm::apply_cortex_a8_workaround): New method.
8461         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
8462         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
8463         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
8464         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
8465         the --[no-]fix-cortex-a8 command line options.
8466         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
8467         (Target_arm::relocate_stub): Use addend in instruction template.
8468         * options.h (DEFINE_bool): Set the user-set flag.
8469         (General_options): Add --[no-]-fix-cortex options.
8470         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
8471         : Update fast look-up map after conversion.
8472
8473 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
8474
8475         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
8476         in the first pass of do_layout.
8477
8478 2010-01-13  Doug Kwan  <dougkwan@google.com>
8479
8480         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
8481         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
8482         apparent compiler problem of not folding static constant integral
8483         data members of elfcpp::Elf_sizes<32>.
8484
8485 2010-01-13  Doug Kwan  <dougkwan@google.com>
8486
8487         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
8488         Arm_relobj::section_needs_cortex_a8_stub_scanning,
8489         Arm_relobj::scan_section_for_cortex_a8_erratum,
8490         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
8491         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
8492         sections to scan for relocation stubs into a new method
8493         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
8494         relocation and Cortex-A8 stub scanning.
8495         (Target_arm::do_relax): Force stubs to be after stubbed sections
8496         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
8497         the beginning of a new relaxation pass.  Update a comment.
8498         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
8499
8500 2010-01-12  Ian Lance Taylor  <iant@google.com>
8501
8502         * target-reloc.h (visibility_error): New inline function.
8503         (relocate_section): Call visibility_error.
8504         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
8505         (MOSTLYCLEANFILES): Likewise.
8506         (protected_4_pic.o, protected_3.err): New targets.
8507         * testsuite/protected_4.cc: New file.
8508
8509 2010-01-12  Doug Kwan  <dougkwan@google.com>
8510
8511         * arm.cc (Cortex_a8_reloc): New class.
8512         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
8513         and cortex_a8_relocs_info_.
8514         (Target_arm::fix_cortex_a8): New method definition.
8515         (Target_arm::Cortex_a8_relocs_info): New type.
8516         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
8517         New data member declarations.
8518         (Target_arm::scan_reloc_for_stub): Record information about
8519         relocations for THUMB branches that might be exempted from the
8520         Cortex-A8 workaround.
8521         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
8522         at the beginning of a relaxation pass.
8523
8524 2010-01-12  Doug Kwan  <dougkwan@google.com>
8525
8526         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
8527         (Arm_relobj::Mapping_symbol_position,
8528          Arm_reloj::Mapping_symbol_position_less,
8529          Arm_relobj::Mapping_symbols_info): New types.
8530         (Target_arm::is_mapping_symbol_name): New method definition.
8531         (Arm_relobj::do_count_local_symbols): Save information about mapping
8532         symbols.
8533
8534 2010-01-11  Doug Kwan  <dougkwan@google.com>
8535
8536         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
8537         Arm_relocate_functions::thumb32_branch_upper,
8538         Arm_relocate_functions::thumb32_branch_lower,
8539         Arm_relocate_functions::thumb32_cond_branch_offset,
8540         Arm_relocate_functions::thumb32_cond_branch_upper,
8541         Arm_relocate_functions::thumb32_cond_branch_lower,
8542         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
8543         branch offset encoding.
8544         (Arm_relocate_functions::thumb_branch_common): Use new branch
8545         offset encoding methods to avoid code duplication.
8546         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
8547         (Stub_addend_reader::operator()): Use new branch encoding method
8548         to avoid code duplication.
8549
8550 2010-01-11  Doug Kwan  <dougkwan@google.com>
8551
8552         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
8553         (Target_arm::do_finalize_sections): Define special EXIDX section
8554         symbols only if referenced.
8555         * gc.h (Garbage_collection::add_reference): New method.
8556         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
8557         code duplication.
8558
8559 2010-01-11  Ian Lance Taylor  <iant@google.com>
8560
8561         * script.cc (Version_script_info::build_expression_list_lookup):
8562         Change complaing about duplicate wildcard match from error to
8563         warning.
8564
8565         * script.cc (class Lazy_demangler): Recreate--revert part of patch
8566         of 2009-12-30.
8567         (Version_script_info::Version_script_info): Initialize globs_,
8568         default_version_, default_is_global_, and exact_.  Don't
8569         initialize globals_ or locals_.
8570         (Version_script_info::build_lookup_tables): Build local symbols
8571         first.
8572         (Version_script_info::unquote): New function.
8573         (Version_script_info::add_exact_match): New function.
8574         (Version_script_info::build_expression_list_lookup): Remove lookup
8575         parameter.  Add is_global parameter.  Change all callers.  Handle
8576         wildcard pattern specially.  Unquote pattern.  Call
8577         add_exact_match.
8578         (Version_script_info::get_name_to_match): New function.
8579         (Version_script_info::get_symbol_version): New function.
8580         (Version_script_info::get_symbol_version_helper): Remove.
8581         (Version_script_info::check_unmatched_names): Call unquote.
8582         * script.h (class Version_script_info): Change get_symbol_version
8583         to be non-inline and add is_global parameter; change all callers.
8584         Rewrite symbol_is_local.  Update declarations.  Define struct
8585         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
8586         Remove globals_ and locals_ members.  Add exact_, globs_,
8587         default_version_, is_global_.
8588         (Version_script_info::Glob): Remove pattern, add expression and
8589         is_global.  Update constructor.  Change all callers.
8590         * dynobj.cc (Versions::finalize): Mark the version symbol as the
8591         default version.
8592         (Versions::symbol_section_contents): If a symbol is undefined, or
8593         defined in a dynamic object, set the version index to
8594         VER_NDX_LOCAL.
8595         * symtab.cc (Symbol_table::add_from_relobj): Don't call
8596         symbol_is_local.
8597         (Symbol_table::add_from_pluginobj): Likewise.
8598         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
8599
8600 2010-01-11  Doug Kwan  <dougkwan@google.com>
8601
8602         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
8603         (incremental_dump_LDADD): Add linking option for libintl.
8604         * Makefile.in: Regenerate.
8605
8606 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
8607
8608         PR gold/11144
8609         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
8610         instead of -Ds.
8611         * testsuite/Makefile.in: Regenerated.
8612
8613 2010-01-10  Doug Kwan  <dougkwan@google.com>
8614
8615         * options.h (DEFINE_var): Use parentheses around argument varname__
8616         in macro body to avoid any unintended subsequent substitutions.
8617
8618 2010-01-10  Ian Lance Taylor  <iant@google.com>
8619
8620         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
8621         candidates before doing symbol resolution.
8622
8623         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
8624         ODR candidates if only one is weak.
8625
8626 2010-01-08  Ian Lance Taylor  <iant@google.com>
8627
8628         * script.cc (Version_script_info::build_expression_list_lookup):
8629         Don't warn about ambiguous version, just record the ambiguity.
8630         (Version_script_info::get_symbol_version_helper): Give error if
8631         version is ambiguous.
8632
8633 2010-01-08  Doug Kwan  <dougkwan@google.com>
8634
8635         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
8636         prev_data_size_ and prev_addralign_.  Remove initializer for
8637         deleted data member has_been_changed_.
8638         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
8639         to determine if the table is empty.
8640         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
8641         Remove.
8642         (Stub_table::add_reloc_stub): Define method in class definition
8643         instead of just declaring it there.
8644         (Stub_table::add_cortex_a8_stub): New method definition.
8645         (Stub_table::update_data_size_and_addralign): Ditto.
8646         (Stub_table::finalize_stubs): Ditto.
8647         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
8648         (Stub_table::do_addralign_): Return address alignment in the
8649         (Stub_table::do_reset_address_and_file_offset): Define method in
8650         class definition instead of declaring it there.  Set current data
8651         size to be the data size of the previous pass.
8652         (Stub_table::set_final_data_size): Use current data size as the
8653         final data size.
8654         (Stub_table::relocate_stub): Change parameter type of stub from
8655         Reloc_stub pointer to Stub pointer.
8656         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
8657         (Stub_table::Cortex_a8_stub_list): New typedef.
8658         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
8659          Stub_table::prev_addralign_): New data member.
8660         (Arm_relobj::Arm_relobj): Initialize data member
8661         section_has_cortex_a8_workaround_.
8662         (Arm_relobj::section_has_cortex_a8_workaround,
8663          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
8664          definitions.
8665         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
8666         declarations.
8667         (Target_arm::relocate_stub): Change parameter type of stub from
8668         Reloc_stub pointer to Stub pointer.
8669         (Insn_template::size, Insn_template::alignment): Handle
8670         THUMB16_SPECIAL_TYPE.
8671         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
8672          Stub_table::update_data_size_and_addralign,
8673          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
8674         definitions.
8675         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
8676         (Stub_table::do_write): Ditto.
8677         (Target_arm::do_relax): Adjust code for changes in Stub_table.
8678
8679 2010-01-08  Ian Lance Taylor  <iant@google.com>
8680
8681         PR 11108
8682         * symtab.h (class Symbol): Remove fields is_target_special_ and
8683         has_plt_offset_.  Add field is_defined_in_discarded_section_.
8684         (Symbol::is_defined_in_discarded_section): New function.
8685         (Symbol::set_is_defined_in_discarded_section): New function.
8686         (Symbol::has_plt_offset): Rewrite.
8687         (Symbol::set_plt_offset): Verify that new offset is not -1U.
8688         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
8689         Don't initialize is_target_special_ or has_plt_offset_.
8690         Initialize is_defined_in_discarded_section_.
8691         (Symbol_table::add_from_relobj): If appropriate, set
8692         is_defined_in_discarded_section.
8693         * resolve.cc (Symbol::override_base_with_special): Don't test
8694         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
8695         * target-reloc.h (relocate_section): Do special handling for
8696         symbols defined in discarded sections for global symbols as well
8697         as local symbols.
8698
8699 2010-01-08  Ian Lance Taylor  <iant@google.com>
8700
8701         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
8702         the SHT_SYMTAB case.
8703
8704 2010-01-08  Ian Lance Taylor  <iant@google.com>
8705
8706         * object.cc (Sized_relobj::do_layout): Don't get confused if
8707         layout_eh_frame returns NULL.
8708
8709 2010-01-08  Ian Lance Taylor  <iant@google.com>
8710
8711         PR 11084
8712         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
8713         dynamic symbol table, use the normal symbol table.
8714         (Sized_dynobj::do_read_symbols): Remove assertion about type of
8715         symbol table.
8716
8717 2010-01-08  Ian Lance Taylor  <iant@google.com>
8718
8719         PR 11072
8720         * layout.cc (Layout::include_section): Remove .gnu_debuglink
8721         sections.
8722
8723 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
8724
8725         * version.cc (print_version): Change to "Copyright 2010".
8726
8727 2010-01-08  Ian Lance Taylor  <iant@google.com>
8728
8729         PR 10287
8730         PR 11063
8731         * i386.cc (class Target_i386): Change return type of plt_section
8732         to be non-const.
8733         (class Output_data_plt_i386): Add tls_desc_rel_ field.
8734         (Output_data_plt_i386::Output_data_plt_i386): Initialize
8735         tls_desc_rel_ field.
8736         (Output_data_plt_i386::rel_tls_desc): New function.
8737         (Target_i386::rel_tls_desc_section): New function.
8738         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
8739         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
8740         R_386_TLS_DESC reloc in rel_tls_desc_section.
8741         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
8742         Define struct Tlsdesc_info.
8743         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
8744         (Target_x86_64::do_reloc_symbol_index): New function.
8745         (Target_x86_64::add_tlsdesc_info): New function.
8746         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
8747         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
8748         tlsdesc_rel_ field.
8749         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
8750         all callers.
8751         (Output_data_plt_x86_64::rela_tlsdesc): New function.
8752         (Target_x86_64::rela_tlsdesc_section): New function.
8753         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
8754         handling.
8755         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
8756         (Target_x86_64::do_reloc_addend): New function.
8757         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
8758         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
8759         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
8760         (Output_reloc::type): New function.
8761         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
8762         (Output_reloc::is_target_specific): New function.
8763         (Output_reloc::target_arg): New function.
8764         (class Output_reloc) [SHT_RELA]: Add four new constructors for
8765         absolute relocs and target specific relocs.
8766         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
8767         add_target_specific.
8768         (class Output_data_reloc) [SHT_RELA]: Likewise.
8769         * output.cc (Output_reloc::Output_reloc): Add four new versions
8770         for absolute relocs and target specific relocs.
8771         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
8772         (Output_reloc::get_symbol_index): Likewise.
8773         (Output_reloc::local_section_offset): Check that local_sym_index_
8774         is not TARGET_CODE or 0.
8775         (Output_reloc::symbol_value): Likewise.
8776         (Output_reloc::write) [SHT_RELA]: Call target for target specific
8777         reloc.
8778         * target.h (class Target): Add reloc_symbol_index and reloc_addend
8779         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
8780         functions.
8781         * layout.cc (add_target_dynamic_tags): Use output section for
8782         DT_PLTRELSZ and DT_JMPREL.
8783
8784 2010-01-07  Ian Lance Taylor  <iant@google.com>
8785
8786         PR 11061
8787         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
8788         function.
8789         (class Output_data_reloc_generic): Define.
8790         (class Output_data_reloc_base): Change base class to
8791         Output_data_reloc_generic.  Change add() method to call
8792         bump_relative_reloc_count for a relative reloc.  Remove
8793         sort_relocs_ field.
8794         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
8795         to sort_relocs().
8796         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
8797         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
8798         appropriate.
8799         * layout.h (class Layout): Update declaration.
8800
8801 2010-01-07  Ian Lance Taylor  <iant@google.com>
8802
8803         * output.h (class Output_data): Add const version of
8804         output_section and do_output_section.
8805         (class Output_section_data): Add const version of
8806         do_output_section.
8807         (class Output_section): Likewise.
8808         * layout.cc (Layout::add_target_dynamic_tags): New function.
8809         * layout.h (class Layout): Update declarations.
8810         * arm.cc (Target_arm::do_finalize_sections): Use
8811         add_target_dynamic_tags.
8812         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8813         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8814         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8815         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8816
8817 2010-01-07  Ian Lance Taylor  <iant@google.com>
8818
8819         PR 11042
8820         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
8821         object as needed.
8822
8823 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
8824             Ian Lance Taylor  <iant@google.com>
8825
8826         PR 11019
8827         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
8828         Xindex::read_symtab_xindex.
8829
8830 2010-01-07  Doug Kwan  <dougkwan@google.com>
8831
8832         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
8833         (Insn_template::thumb16_bcond_insn): New method declaration.
8834         (Insn_template): Fix spelling.
8835         (Stub::thumb16_special): New method declaration.
8836         (Stub::do_write): Define virtual method which was previously pure
8837         virtual.
8838         (Stub::do_thumb16_special): New method declaration.
8839         (Stub::do_fixed_endian_write): New template member.
8840         (Reloc_stub::do_write): Remove.
8841         (Reloc_stub::do_fixed_endian_write): Remove.
8842         (Cortex_a8_stub): New class definition.
8843         (Stub_factory::make_cortex_a8_stub): New method definition.
8844         (Stub_factory::Stub_factory): Add missing static storage class
8845         qualifier for elf32_arm_stub_a8_veneer_blx.
8846
8847 2010-01-07  Ian Lance Taylor  <iant@google.com>
8848
8849         PR 10980
8850         * options.h (class General_options): Add --warn-unresolved-symbols
8851         and --error-unresolved-symbols.
8852         * errors.cc (Errors::undefined_symbol): Implement
8853         --warn-unresolved-symbols.
8854
8855         * options.h (class General_options): Add -z text and -z textoff.
8856         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
8857
8858 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
8859
8860         * gc.h (Garbage_collection::Cident_section_map): New typedef.
8861         (Garbage_collection::cident_sections): New function.
8862         (Garbage_collection::add_cident_section): New function.
8863         (Garbage_collection::cident_sections_): New member.
8864         (gc_process_relocs): Add references to sections whose names are C
8865         identifiers.
8866         * gold.h (cident_section_start_prefix): New constant.
8867         (cident_section_stop_prefix): New constant.
8868         (is_cident): New function.
8869         * layout.cc (Layout::define_section_symbols): Replace string constants
8870         with the newly defined constants.
8871         * object.cc (Sized_relobj::do_layout): Track sections whose names are
8872         C identifiers.
8873         * testsuite/Makefile.am: Add gc_orphan_section_test.
8874         * testsuite/Makefile.in: Regenerate.
8875         * testsuite/gc_orphan_section_test.cc: New file.
8876         * testsuite/gc_orphan_section_test.sh: New file.
8877
8878 2010-01-06  Ian Lance Taylor  <iant@google.com>
8879
8880         PR 10980
8881         * options.h (class General_options): Add --warn-shared-textrel.
8882         * layout.cc (Layout::finish_dynamic_section): Implement
8883         --warn-shared-textrel.
8884
8885         PR 10980
8886         * options.h (class General_options): Add --warn-multiple-gp.
8887
8888 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8889
8890         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
8891         $(THREADSLIB) and $(LIBDL).
8892         * Makefile.in: Rebuild.
8893
8894 2010-01-06  Ian Lance Taylor  <iant@google.com>
8895
8896         PR 10980
8897         * options.cc (General_options::parse_section_start): New function.
8898         (General_options::section_start): New function.
8899         (General_options::General_options): Initialize all members.
8900         * options.h: Include <map>
8901         (class General_options): Add --section-start.  Add section_starts_
8902         member.
8903         * layout.cc (Layout::attach_allocated_section_to_segment): If
8904         --section-start was used, set the address of the segment.  Remove
8905         local sort_sections.
8906         (Layout::relaxation_loop_body): If the address of the load segment
8907         has been set by --section-start, don't use it.
8908         * output.h (Output_segment::update_flags_for_output_section): New
8909         function.
8910         * output.cc (Output_segment::add_output_section): Call
8911         update_flags_for_output_section.
8912
8913 2010-01-05  Ian Lance Taylor  <iant@google.com>
8914
8915         PR 10980
8916         * options.h (class General_options): Add --undefined-version.
8917         * script.cc (struct Version_expression): Add was_matched_by_symbol
8918         field.
8919         (Version_script_info::matched_symbol): New function.
8920         (Version_script_info::get_symbol_version_helper): Call
8921         matched_symbol.
8922         (Version_script_info::check_unmatched_names): New function.
8923         * script.h (class Version_script_info): Update declarations.
8924         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
8925
8926         * options.h (class General_options): Use DEFINE_bool_alias for
8927         allow_multiple_definition.
8928         * resolve.cc (Symbol_table::should_override): Don't test
8929         allow_multiple_definition.
8930
8931         PR 10980
8932         * options.h (class General_options): Add --cref.
8933         * main.cc (main): Print cref table if --cref.  Don't close mapfile
8934         until after printing cref table.
8935         * cref.cc: Include "symtab.h".
8936         (class Cref_inputs): Define Cref_table_compare and Cref_table.
8937         (Cref_table_compare::operator()): New function.
8938         (Cref_inputs::gather_cref): New function.
8939         (filecol): New static const.
8940         (Cref_inputs::print_cref): New function.
8941         (Cref::print_cref): New function.
8942         * cref.h: Include <cstdio>.
8943         (class Cref): Update declarations.
8944         * mapfile.h (Mapfile::file): New function.
8945         * object.h (class Object): Define Symbols.  Declare virtual
8946         do_get_global_symbols.
8947         (Object::get_global_symbols): New function.
8948         * object.cc (Input_objects::add_object): Pass object to cref_ if
8949         --cref.
8950         (Input_objects::archive_start): Likewise.
8951         (Input_objects::archive_stop): Likewise.
8952         (Input_objects::print_cref): New function.
8953         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
8954         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
8955         --cref.
8956         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
8957         function.
8958         * plugin.h (class Sized_pluginobj): Update declarations.
8959
8960 2010-01-05  Ian Lance Taylor  <iant@google.com>
8961
8962         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
8963         to is_default_version.  Rename insdef to insdefault.
8964         (Symbol_table::add_from_relobj): Rename def to is_default_version
8965         and local to is_forced_local.
8966         (Symbol_table::add_from_pluginobj): Likewise.
8967         (Symbol_table::add_from_dynobj): Likewise.
8968         (Symbol_table::define_special_symbol): Rename insdef to
8969         insdefault.
8970
8971 2010-01-04  Ian Lance Taylor  <iant@google.com>
8972
8973         PR 10980
8974         * options.h (class General_options): Add
8975         --allow-multiple-definition and -z muldefs.
8976         * resolve.cc (Symbol_table::should_override): Don't warn about a
8977         multiple symbol definition if --allow-multiple-definition or -z
8978         muldefs.
8979
8980         PR 10980
8981         * options.h (class General_options): Add --add-needed and
8982         --copy-dt-needed-entries.  Tweak --as-needed help entry.
8983         * object.cc (Input_objects::check_dynamic_dependencies): Give an
8984         error if --copy-dt-needed-entries aka --add-needed is used and
8985         would cause a change in behaviour.
8986
8987         PR 10980
8988         * options.h (class General_options): Add -G as a short version of
8989         --shared.  Add no-op options -assert, -g, and -i.
8990
8991 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
8992
8993         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
8994         check for .text or .gnu.linkonce.t sections.
8995         * icf.cc (Icf::find_identical_sections): Ditto.
8996         Change the detection for mangled function name within the section
8997         name.
8998         * icf.h (is_section_foldable_candidate): New function.
8999
9000 2009-12-30  Ian Lance Taylor  <iant@google.com>
9001
9002         PR 10980
9003         * options.h (class General_options): Permit two dashes with
9004         --retain-symbols-file.
9005
9006 2009-12-30  Ian Lance Taylor  <iant@google.com>
9007
9008         PR 10979
9009         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
9010         don't put the file header and segment headers in the text
9011         segment.
9012
9013         PR 10979
9014         * common.cc (Sort_commons::operator()): Stabilize sort when both
9015         entries are NULL.
9016         (Symbol_table::do_allocate_commons_list): When allocating common
9017         symbols, skip a symbol which is no longer common.
9018         * symtab.h (Symbol::is_common): Test whether the symbol comes from
9019         an object before checking its type.
9020         * testsuite/common_test_2.c: New file.
9021         * testsuite/common_test_3.c: New file.
9022         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
9023         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
9024         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
9025         (common_test_2_pic.o, common_test_2.so): New targets.
9026         (common_test_3_pic.o, common_test_3.so): New targets.
9027         * testsuite/Makefile.in: Rebuild.
9028
9029         PR 10979
9030         * script.cc (read_input_script): If we see a new SECTIONS clause,
9031         and we have added an input section, give an error.
9032         * layout.h (class Layout): Add have_added_input_section function.
9033         Add have_added_input_section_ field.
9034         * layout.cc (Layout::Layout): Initialize
9035         have_added_input_section_.
9036         (Layout::layout): Set have_added_input_section_.
9037         (Layout::layout_eh_frame): Likewise.
9038
9039 2009-12-30  Ian Lance Taylor  <iant@google.com>
9040
9041         PR 10931
9042         * options.h (class General_options): Add --sort-common option.
9043         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
9044         * common.cc (Sort_common): Add sort_order parameter to
9045         constructor.  Add sort_order_ field.
9046         (Sort_commons::operator): Check sort_order_.
9047         (Symbol_table::allocate_commons): Determine the sort order.
9048         (Symbol_table::do_allocate_commons): Add sort_order parameter.
9049         Change all callers.
9050         (Symbol_table::do_allocate_commons_list): Likewise.
9051
9052 2009-12-30  Ian Lance Taylor  <iant@google.com>
9053
9054         PR 10916
9055         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
9056         symbols from this object, don't change the visibility of an
9057         undefined symbol.
9058         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
9059
9060 2009-12-30  Ian Lance Taylor  <iant@google.com>
9061
9062         PR 10861
9063         * script.h (class Version_script_info): Define Language enum.
9064         Update declarations.  Define Glob, Exact, and Lookup types.  Add
9065         new fields globals_, locals_, and is_finalized_.
9066         * script.cc: Various formatting fixes.
9067         (class Parser_closure): Change language_stack_ from a vector of
9068         std::string to one of Version_script_info::Language.  Adjust all
9069         uses accordingly.
9070         (class Lazy_demangler): Remove.
9071         (struct Version_expression): Change language from std::string to
9072         Version_script_info::Language.
9073         (Version_script_info::Version_script_info): New function.
9074         (Version_script_info::~Version_script_info): Don't call clear.
9075         (Version_script_info::finalize): New function.
9076         (Version_script_info::build_lookup_tables): New function.
9077         (Version_script_info::build_expression_list_lookup): New
9078         function.
9079         (Version_script_info::get_symbol_version_helper): Rewrite to use
9080         lookup tables.
9081         (Version_script_info::print_expression_list): Adjust to use
9082         Version_script_info::Language.
9083         (script_push_lex_into_version_mode): Check that the version script
9084         has not been finalized.
9085         (version_script_push_lang): Change language string to
9086         Version_script_info::Language.
9087         * options.cc (Command_line::version_script): New function.
9088         * options.h (class General_options): Add finalize_dynamic_list
9089         function.  Change version_script from declaration to definition.
9090         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
9091         * testsuite/version_script.map: Remove duplicate def of foo.
9092         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
9093         version_script.map.
9094         * testsuite/Makefile.in: Rebuild.
9095
9096 2009-12-30  Ian Lance Taylor  <iant@google.com>
9097
9098         PR 10843
9099         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
9100         if the input symbol index is 0, make the output symbol index 0.
9101
9102 2009-12-30  Ian Lance Taylor  <iant@google.com>
9103
9104         PR 10670
9105         * options.h (class General_options): Add -x/--discard-all.
9106         * object.cc (Sized_relobj::do_count_local_symbols): Handle
9107         --discard-all.  If the local symbol needs a dynamic entry, check
9108         that before handling --discard-locals.
9109
9110 2009-12-30  Ian Lance Taylor  <iant@google.com>
9111
9112         PR 10450
9113         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
9114         flags to PF_R.
9115         (Output_segment::add_output_section): Don't change the flags if
9116         the type is PT_TLS.
9117
9118         PR 10450
9119         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
9120         GNU hash table if they need a dynamic value.  Otherwise, don't add
9121         them if they are defined in a dynamic object or are forced local.
9122
9123 2009-12-29  Ian Lance Taylor  <iant@google.com>
9124
9125         PR 10450
9126         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
9127         .gnu.hash table for a 32-bit target.
9128
9129         PR 10450
9130         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
9131         regular and a dynamic object only needs a dynamic symbol table
9132         entry if it is externally visible.
9133
9134         PR 10450
9135         * i386.cc (class Target_i386): Initialize global_offset_table_ in
9136         constructor.  Add global_offset_table_ field.
9137         (Target_i386::got_section): Set global_offset_table_.
9138         (Target_i386::do_finalize_sections): Set global_offset_table_
9139         size.
9140         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
9141         in constructor.  Add global_offset_table_ field.
9142         (Target_x86_64::got_section): Set global_offset_table_.
9143         (Target_x86_64::do_finalize_sections): Set global_offset_table_
9144         size.
9145
9146         * layout.cc (Layout::Layout): Initialize increase_relro_.
9147         (Layout::get_output_section): Add is_relro, is_last_relro, and
9148         is_first_non_relro parameters.  Change all callers.
9149         (Layout::choose_output_section): Likewise.
9150         (Layout::add_output_section_data): Likewise.
9151         (Layout::make_output_section): Likewise.
9152         (Layout::set_segment_offsets): Clear increase_relro when using a
9153         linker script.
9154         * layout.h (class Layout): Add increase_relro method.  Add
9155         increase_relro_ field.  Update declarations.
9156         * output.cc (Output_section::Output_section): Initialize
9157         is_last_relro_ and is_first_non_relro_.
9158         (Output_segment::add_output_section): Group relro sections is
9159         do_sort is true.  Handle is_last_relro and is_first_non_relro.
9160         (Output_segment::maximum_alignment): Remove relro handling.
9161         (Output_segment::set_section_addresses): Add increase_relro
9162         parameter.  Change all callers.  Add initial alignment to align
9163         relro sections on separate page.  Remove old relro handling.
9164         (Output_segment::set_section_list_addresses): Remove in_relro
9165         parameter.  Change all callers.
9166         (Output_segment::set_offset): Add increase parameter.  Change all
9167         callers.  Remove old relro handling.
9168         * output.h (class Output_section): Add new methods: is_last_relro,
9169         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
9170         Add is_last_relro_ and is_first_non_relro_ fields.
9171         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
9172         Create separate .got.plt section.  Call increase_relro.
9173         * x86_64.cc (Target_x86_64::got_section): Likewise.
9174         * testsuite/relro_script_test.t: Add .got.plt.
9175
9176         PR 10450
9177         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
9178         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
9179         (Layout::finalize): Call set_dynamic_symbol_size.
9180         (Layout::set_dynamic_symbol_size): New function.
9181         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
9182         set_dynamic_symbol_size.
9183
9184         PR 10450
9185         * output.h (class Output_section): Add is_entsize_zero_ field.
9186         * output.cc (Output_section::Output_section): Initialize
9187         is_entsize_zero_.
9188         (Output_section::set_entsize): If two different entsizes are
9189         requested, force it to zero.
9190         (Output_section::add_input_section): Set flags for .debug_str
9191         before updating section flags.  Set entsize.
9192         (Output_section::update_flags_for_input_section): Set SHF_MERGE
9193         and SHF_STRING if all input sections have those flags.
9194
9195 2009-12-29   Rafael Espindola  <espindola@google.com>
9196
9197         * main.cc (main): Fix the sys time reporting.
9198         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
9199         reporting.
9200
9201 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
9202
9203         * options.cc (General_options::parse_version): Allow -v to exit
9204         without an error if there is nothing to link.
9205
9206 2009-12-29  Ian Lance Taylor  <iant@google.com>
9207
9208         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
9209         using a version of gcc before 4.1.
9210         * configure: Rebuild.
9211
9212 2009-12-28  Chris Demetriou  <cgd@google.com>
9213
9214         * attributes.cc (Output_attributes_section_data::do_write): Use
9215         std::vector::front rather than std::vector::data.
9216
9217 2009-12-28  Ian Lance Taylor  <iant@google.com>
9218
9219         * symtab.h (class Symbol_table): Add enum Defined.
9220         * resolve.cc (Symbol_table::should_override): Add defined
9221         parameter.  Change all callers.  Test whether object is NULL
9222         before calling a method on it.
9223         (Symbol_table::report_resolve_problem): Add defined parameter.
9224         Change all callers.
9225         (Symbol_table::should_override_with_special): Likewise.
9226         * symtab.cc (Symbol_table::define_in_output_data): Add defined
9227         parameter.  Change all callers.
9228         (Symbol_table::do_define_in_output_data): Likewise.
9229         (Symbol_table::define_in_output_segment): Likewise.
9230         (Symbol_table::do_define_in_output_segment): Likewise.
9231         (Symbol_table::define_as_constant): Likewise.
9232         (Symbol_table::do_define_as_constant): Likewise.
9233         * script.h (class Symbol_assignment): Add is_defsym parameter to
9234         constructor; change all callers.
9235         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
9236         parameter.  Change all callers.  Add is_defsym_ field.
9237         (class Parser_closure): Add parsing_defsym parameter to
9238         constructor; change all callers.  Add parsing_defsym accessor
9239         function.  Add parsing_defsym_ field.
9240
9241 2009-12-28  Ian Lance Taylor  <iant@google.com>
9242
9243         * gold.cc (queue_middle_tasks): Fix formatting.
9244         * object.cc (Relobj::is_section_name_included): Likewise.
9245
9246 2009-12-23  Ian Lance Taylor  <iant@google.com>
9247
9248         * i386.cc (Target_i386::do_calls_non_split): Recognize
9249         -fsplit-stack prologue for a function with a static chain.
9250         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
9251         -fsplit-stack prologue when using %r11.
9252
9253 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
9254
9255         * options.cc (General_options::parse_version): Make -v continue and do
9256         the link like GNU ld does.
9257
9258 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
9259
9260         * Makefile.am (CCFILES): Add timer.cc.
9261         (HFILES): Add timer.h.
9262         * configure.ac: Check for sysconf and times.
9263         * main.cc: include timer.h.
9264         (main): Use Timer instead of get_run_time.
9265         * timer.cc: New.
9266         * timer.h: New.
9267         * workqueue.cc: include timer.h.
9268         (Workqueue::find_and_run_task):
9269         Report user, sys and wall time.
9270         * Makefile.in: Regenerate.
9271         * config.in: Regenerate.
9272         * configure: Regenerate.
9273
9274 2009-12-16  Doug Kwan  <dougkwan@google.com>
9275
9276         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
9277         sections.
9278         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
9279         relaxed input sections.
9280         * output.cc (Output_section::find_relaxed_input_section): Change
9281         return type to Output_relaxed_input_section pointer.  Adjust code
9282         for new type of relaxed_input_section_map_.
9283         * output.h (Output_section::find_relaxed_input_section): Change
9284         return type to Output_relaxed_input_section pointer.
9285         (Output_section::Output_relaxed_input_section_by_input_section_map):
9286         New type.
9287         (Output_section::relaxed_input_section_map_): Change type to
9288         Output_section::Output_relaxed_input_section_by_input_section_map.
9289         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
9290         input section.
9291
9292 2009-12-15  Ian Lance Taylor  <iant@google.com>
9293
9294         * layout.cc (Layout::create_shstrtab): Only write out after input
9295         sections if we are compressing debug sections.
9296
9297 2009-12-15  Ian Lance Taylor  <iant@google.com>
9298
9299         * archive.cc (Archive::add_symbols): Only look up a symbol without
9300         a version if there is, in fact, a version.
9301
9302 2009-12-14  Ian Lance Taylor  <iant@google.com>
9303
9304         Revert -Wshadow changes, all changes from:
9305         2009-12-11  Doug Kwan  <dougkwan@google.com>
9306         2009-12-11  Nick Clifton  <nickc@redhat.com>
9307         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
9308
9309 2009-12-11  Doug Kwan  <dougkwan@google.com>
9310
9311         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
9312         due to -Wshadow.
9313         * attributes.cc (Object_attribute::size): Ditto.
9314         (Attributes_section_data::size): Ditto.
9315         (Attributes_section_data::Attributes_section_data): Ditto.
9316         (Output_attributes_section_data::do_write): Ditto.
9317         * attributes.h (Object_attribute::set_type): Ditto.
9318         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
9319
9320 2009-12-11  Nick Clifton  <nickc@redhat.com>
9321
9322         * archive.cc: Fix shadowed variable warnings.
9323         * arm.cc: Likewise.
9324         * compressed_output.cc: Likewise.
9325         * compressed_output.h: Likewise.
9326         * configure: Likewise.
9327         * dwarf_reader.cc: Likewise.
9328         * dynobj.cc: Likewise.
9329         * dynobj.h: Likewise.
9330         * ehframe.cc: Likewise.
9331         * ehframe.h: Likewise.
9332         * errors.cc: Likewise.
9333         * expression.cc: Likewise.
9334         * fileread.cc: Likewise.
9335         * fileread.h: Likewise.
9336         * freebsd.h: Likewise.
9337         * i386.cc: Likewise.
9338         * icf.cc: Likewise.
9339         * incremental.h: Likewise.
9340         * layout.cc: Likewise.
9341         * layout.h: Likewise.
9342         * mapfile.cc: Likewise.
9343         * merge.cc: Likewise.
9344         * merge.h: Likewise.
9345         * object.cc: Likewise.
9346         * object.h: Likewise.
9347         * options.h: Likewise.
9348         * output.cc: Likewise.
9349         * output.h: Likewise.
9350         * parameters.cc: Likewise.
9351         * plugin.cc: Likewise.
9352         * powerpc.cc: Likewise.
9353         * reduced_debug_output.cc: Likewise.
9354         * reduced_debug_output.h: Likewise.
9355         * reloc.cc: Likewise.
9356         * reloc.h: Likewise.
9357         * resolve.cc: Likewise.
9358         * script-sections.cc: Likewise.
9359         * script.cc: Likewise.
9360         * script.h: Likewise.
9361         * sparc.cc: Likewise.
9362         * symtab.cc: Likewise.
9363         * symtab.h: Likewise.
9364         * target-select.cc: Likewise.
9365         * target-select.h: Likewise.
9366         * token.h: Likewise.
9367         * workqueue.cc: Likewise.
9368         * workqueue.h: Likewise.
9369         * x86_64.cc: Likewise.
9370
9371 2009-12-10  Doug Kwan  <dougkwan@google.com>
9372
9373         * arm.cc (attributes.h): New include.
9374         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
9375         (Arm_relobj::~Arm_relobj): Delete object pointed by
9376         attributes_section_data_.
9377         (Arm_relobj::attributes_section_data): New method definition.
9378         (Arm_relobj::attributes_section_data_): New data member declaration.
9379         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
9380         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
9381         attributes_section_data_.
9382         (Arm_dynobj::attributes_section_data): New method definition.
9383         (Arm_dynobj::attributes_section_data_): New data member declaration.
9384         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
9385         initialization value of may_use_blx_ to false.
9386         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
9387         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
9388         object attributes to compute results instead of hard-coding.
9389         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
9390         Target_arm::get_secondary_compatible_arch,
9391         Target_arm::set_secondary_compatible_arch
9392         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
9393         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
9394         New method declarations.
9395         (Target_arm::get_aeabi_object_attribute): New method definition.
9396         (Target_arm::attributes_section_data_): New data member declaration.
9397         (read_arm_attributes_section): New template definition.
9398         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
9399         (Arm_dynobj::do_read_symbols): Ditto.
9400         (Target_arm::do_finalize_sections): Merge attributes sections from
9401         input.  Check for BLX use after attributes section merging.
9402         Fix __exidx_start and __exidx_end visibility.  Create an
9403         .ARM.attributes section if necessary.
9404         (Target_arm::get_secondary_compatible_arch,
9405         Target_arm::set_secondary_compatible_arch,
9406         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
9407         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
9408         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
9409         New method definitions.
9410
9411 2009-12-09  Ian Lance Taylor  <iant@google.com>
9412
9413         * plugin.cc (Plugin::load): Don't cast from void* to a function
9414         pointer.
9415
9416 2009-12-09  Ian Lance Taylor  <iant@google.com>
9417
9418         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
9419         information fields.
9420
9421 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
9422
9423         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
9424         Replace two_file_shared_1.so with two_file_shared_2.so.
9425         * testsuite/Makefile.in: Regenerated.
9426
9427 2009-12-08  Doug Kwan  <dougkwan@google.com>
9428
9429         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
9430         (HFILES): Add attributes.h and int_encoding.h.
9431         * Makefile.in: Regenerate.
9432         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
9433         function definitions to int_encoding.cc
9434         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
9435         prototypes to int_encoding.h
9436         * reduced_debug_output.cc (int_encoding.h): New include.
9437         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
9438         function definitions to int_encoding.cc
9439         (insert_into_vector, read_from_pointer): Move template definitions to
9440         int_encoding.h
9441         * attributes.cc: New file.
9442         * attributes.h: New file.
9443         * int_encoding.cc: New file.
9444         * int_encoding.h: New file.
9445
9446 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
9447
9448         PR gold/11055
9449         * incremental-dump.cc (dump_incremental_inputs): New.
9450         (main): Use dump_incremental_inputs.
9451
9452 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
9453
9454         PR gold/10893
9455         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
9456         checking elfcpp::STT_FUNC.
9457         (Target_i386::Relocate::relocate): Likewise.
9458         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
9459
9460         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
9461         symbols from shared libraries into normal FUNC symbols.
9462
9463         * symtab.h (Symbol): Add is_func and use it.
9464
9465 2009-12-05  Doug Kwan  <dougkwan@google.com>
9466
9467         * arm.cc (Target_arm::arm_info): Initialize new fields
9468         attributes_section and attributes_vendor.
9469         * i386.cc (Target_i386::i386_info): Same.
9470         * object.cc (Sized_relobj::do_layout): Skip attribute section.
9471         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
9472         fields attributes_section and attributes_vendor.
9473         * sparc.cc (Target_sparc::sparc_info): Same.
9474         * target.h (Target::attributes_section, Target::attributes_vendor,
9475         Target::is_attributes_section, Target::attribute_arg_type,
9476         Target::attributes_order): New method definitions.
9477         (Target::Target_info::attributes_section,
9478         Target::Target_info::attributes_vendor): New fields.
9479         (Target::do_attribute_arg_type, Target::do_attributes_order): New
9480         virtual method definitions.
9481         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
9482         attributes_section and attributes_vendor.
9483         * testsuite/testfile.cc (Target_test::test_target_info): Same.
9484
9485 2009-12-05  Doug Kwan  <dougkwan@google.com>
9486
9487         * arm.cc: Update comments about interworking and stub generation.
9488         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
9489         considered as non-PIC.
9490         (Arm_relocate_functions::base_abs): Fix formatting.
9491         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
9492         of function to use GOT entry address instead of offset.
9493         (Target_arm::Scan::global): Issue an error if a symbol would need a
9494         PLT does not get one because it is untyped.  Remove code to create
9495         dynamic symbols for relative branches.
9496         (Target_arm::Relocate::relocate: Use 0 instead of false since function
9497         takes unsigned integer instead of boolean.
9498
9499 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
9500
9501         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
9502         (two_file_test_LDADD): Likewise.
9503         (common_test_1_LDADD): Likewise.
9504         (exception_test_LDADD) Likewise.
9505         (weak_test_LDADD): Likewise.
9506         (many_sections_test_LDADD): Likewise.
9507         (initpri1_LDADD): Likewise.
9508         (script_test_1_LDADD): Likewise.
9509         (script_test_2_LDADD): Likewise.
9510         (justsyms_LDADD): Likewise.
9511         (binary_test_LDADD): Likewise.
9512         (large_LDADD): Likewise.
9513         * testsuite/Makefile.in: Regenerated.
9514
9515 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
9516
9517         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
9518         (Symbol_table::override_with_special): Likewise.
9519         (Symbol_table::add_from_object): Likewise.
9520
9521 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
9522
9523         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
9524         Don't set the data_offset twice.
9525
9526 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
9527
9528         * testsuite/Makefile.in: Regenerate.
9529
9530 2009-12-03  Doug Kwan  <dougkwan@google.com>
9531
9532         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
9533         (Target_arm::do_finalize_sections): Add parameter for symbol table
9534         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
9535         * i386.cc (Target_i386::do_finalize_sections): Add an additional
9536         parameter for symbol table pointer.
9537         * layout.cc (Layout::finalize): Call Target::finalize_sections with
9538         an additional parameter for a pointer to symbol table.
9539         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
9540         parameter for a symbol table pointer.
9541         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
9542         * target.h (Target::finalize_sections, Target::do_finalize_sections):
9543         Ditto.
9544         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
9545         parameter for a symbol table pointer.
9546
9547 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
9548
9549         * incremental.cc (Incremental_inputs_header)
9550         (Incremental_inputs_header_write, Incremental_inputs_entry)
9551         (Incremental_inputs_entry_write): Move ...
9552         * incremental.h (Incremental_inputs_header)
9553         (Incremental_inputs_header_write, Incremental_inputs_entry)
9554         (Incremental_inputs_entry_write): here.
9555
9556 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9557
9558         * incremental.cc (make_sized_incremental_binary): Set the target.
9559         Error if it is incompatible.
9560         * output.h (Output_file): Add filename method.
9561
9562 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9563
9564         * incremental.cc (Incremental_inputs_entry): Remove unused argument
9565         from the get_* methods.
9566
9567 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9568
9569         * incremental-dump.cc (main): Check that the offeset of a script is 0.
9570         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
9571         Write 0 for the data_offset of scripts.
9572
9573 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9574
9575         * testsuite/Makefile.am: Add the incremental_test.sh test.
9576         * testsuite/incremental_test.sh: New.
9577         * testsuite/incremental_test_1.c: New.
9578         * testsuite/incremental_test_2.c: New.
9579
9580 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
9581
9582         * incremental-dump.cc (main): Fix typos.
9583
9584 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
9585
9586         PR gold/11025
9587         * incremental-dump.cc (main): Use llu to print 64 bit values.
9588
9589 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
9590             H.J. Lu  <hongjiu.lu@intel.com>
9591
9592         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
9593         $(LIBDL).
9594         (incremental_dump_LDADD): Likewise.
9595         * Makefile.in: Regenerated.
9596
9597 2009-11-25  Doug Kwan  <dougkwan@google.com>
9598
9599         Revert:
9600
9601         2009-11-25  Doug Kwan  <dougkwan@google.com>
9602
9603                 * arm.cc (Target_arm::Target_arm): Move method definition
9604                 outside of class definition.  Add code to handle
9605                 --target1-rel, --target1-abs and --target2= options.
9606                 (Target_arm::get_reloc_reloc_type): Change method to be
9607                 non-static and const.
9608                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
9609                 New data member declaration.
9610                 (Target_arm::Scan::local, Target_arm::Scan::global,
9611                 Target_arm::Relocate::relocate,
9612                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9613                 Adjust call to Target_arm::get_real_reloc_type.
9614                 (Target_arm::get_real_reloc_type): Use command line options
9615                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9616                 * options.h (--target1-rel, --target1-abs, --target2): New
9617                 ARM-only options.
9618
9619 2009-11-25  Doug Kwan  <dougkwan@google.com>
9620
9621         * arm.cc (Target_arm::Target_arm): Move method definition outside of
9622         class definition.  Add code to handle --target1-rel, --target1-abs
9623         and --target2= options.
9624         (Target_arm::get_reloc_reloc_type): Change method to be non-static
9625         and const.
9626         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
9627         member declaration.
9628         (Target_arm::Scan::local, Target_arm::Scan::global,
9629         Target_arm::Relocate::relocate,
9630         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
9631         call to Target_arm::get_real_reloc_type.
9632         (Target_arm::get_real_reloc_type): Use command line options to
9633         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9634         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
9635         options.
9636
9637 2009-11-25  Doug Kwan  <dougkwan@google.com>
9638
9639         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
9640         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
9641         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
9642         formatting.
9643         (Arm_relocate_functions::thm_call): Replace body with a call to
9644         Arm_relocate_functions::thumb_branch_common.
9645         (Arm_relocate_functions::thm_jump24,
9646         Arm_relocate_functions::thm_xpc22): New method definitions.
9647         (Arm_relocate_functions::thumb_branch_common): New method definition.
9648         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
9649         operator.
9650         (Target_arm::Relocate::relocate): Adjust call to thm_call.
9651         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
9652
9653 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9654
9655         * Makefile.am: Build incremental-dump
9656         * Makefile.in: Regenerate.
9657         * incremental-dump.cc: New.
9658         * incremental.cc (Incremental_inputs_header_data,
9659         Incremental_inputs_entry_data): Move to incremental.h
9660         * incremental.h: (Incremental_inputs_header_data,
9661         Incremental_inputs_entry_data): Move from incremental.cc
9662
9663 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9664
9665         * incremental.cc (Incremental_inputs_header,
9666         Incremental_inputs_header_write, Incremental_inputs_entry,
9667         Incremental_inputs_entry_write): Add a typedef with the data type.
9668
9669 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9670
9671         * incremental.cc (Incremental_inputs_header,
9672         Incremental_inputs_header_write, Incremental_inputs_entry,
9673         Incremental_inputs_entry_write): Update comment about which
9674         type has the filed descriptions.
9675
9676 2009-11-15  Doug Kwan  <dougkwan@google.com>
9677
9678         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
9679         (Arm_relocate_functions::arm_branch_common): Change method defintion
9680         in class definition to a method declaration and update list of formal
9681         parameters.
9682         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
9683         Arm_relocation_functions::jump24): Adjust call to
9684         Arm_relocate_functions::arm_branch_common.  Update list of formal
9685         parameters.
9686         (Arm_relocate_functions::xpc25): New method definition.
9687         (Arm_relocate_functions::arm_branch_common): Move method defintion
9688         out from class definition.  Use stubs for mode-switching and extending
9689         branch ranges.
9690         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
9691         specially.  Change code to enable use of stubs in ARM branches.
9692
9693 2009-11-10  Doug Kwan  <dougkwan@google.com>
9694
9695         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
9696         in method declaration.
9697         (Target_arm::relocate_stub): New method declaration.
9698         (Target_arm::default_target): Change to return a pointer instead of
9699         a const reference.
9700         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
9701         Target_arm::default_target.
9702         (Arm_Relobj::do_relocate_sections): Remove options paramater in
9703         method definition.
9704         (Target_arm::relocate_section): Adjust view.
9705         (Target_arm::relocate_stub): New method definition.
9706
9707 2009-11-10  Doug Kwan  <dougkwan@google.com>
9708
9709         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
9710         a format warning.
9711         * incremental.cc (open_incremental_binary): Initialized local
9712         variables to avoid warnings.
9713         * object.cc (make_elf_object): Ditto.
9714         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
9715         a format warning.
9716
9717 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
9718
9719         PR gold/10930
9720         * testsuite/plugin_test.c: Include "config.h".
9721
9722 2009-11-09  Doug Kwan  <dougkwan@google.com>
9723
9724         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
9725         (arm_symbol_value): Remove.
9726         (Arm_relocate_functions::arm_branch_common,
9727         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
9728         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
9729         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
9730         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
9731         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
9732         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
9733         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
9734         Arm_relocate_functions::thm_mobw_abs_nc,
9735         Arm_relocate_functions::thm_mov_abs,
9736         Arm_relocate_functions::movw_prel_nc,
9737         Arm_relocate_functions::thm_movt_abs,
9738         Arm_relocate_functions::movt_prel,
9739         Arm_relocate_functions::thm_movw_prel_nc,
9740         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
9741         (Target_arm::Relocate::relocate): Only decompose address into two
9742         parts if relocation type uses the thumb-bit and pass the actual
9743         bit instead of a flag indicating that the thumb-bit is used.  Adjust
9744         calls to methods in Arm_relocate_functions for this change.
9745
9746 2009-11-08  Ian Lance Taylor  <iant@google.com>
9747
9748         PR 10925
9749         * reloc.cc: Instantiate
9750         Sized_relobj::initialize_input_to_output_maps and
9751         Sized_relobj:free_input_to_output_maps.
9752
9753 2009-11-06  Ian Lance Taylor  <iant@google.com>
9754
9755         PR 10876
9756         * defstd.cc (in_segment): Set only_if_ref true for "end".
9757
9758 2009-11-06  Doug Kwan  <dougkwan@google.com>
9759
9760         * arm.cc (class Reloc_stub): Correct a comment.
9761         (Target_arm::Target_arm): Initialize arm_input_section_map_.
9762         (Target_arm::scan_section_for_stubs): New method declaration.
9763         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
9764         Change methods from private to protected.
9765         (Target_arm::do_may_relax): New method definition.
9766         (Target_arm::do_relax, Target_arm::group_sections,
9767         Target_arm::scan_reloc_for_stub,
9768         Target_arm::scan_reloc_section_for_stubs): New method declarations.
9769         (Target_arm::arm_input_section_map_): New data member declaration.
9770         (Target_arm::scan_reloc_for_stub,
9771         Target_arm::scan_reloc_section_for_stubs,
9772         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
9773         Target_arm::do_relax): New method definitions.
9774
9775 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
9776
9777         * configure.ac: Check for (struct stat)::st_mtim
9778         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
9779         * config.in: Regenerate.
9780         * configure: Regenerate.
9781
9782 2009-11-05  Ian Lance Taylor  <iant@google.com>
9783
9784         PR 10910
9785         * output.cc (Output_segment::add_output_section): Add missing
9786         return statement.
9787
9788 2009-11-04  Ian Lance Taylor  <iant@google.com>
9789
9790         PR 10880
9791         * object.h (class Object): Add is_needed and set_is_needed
9792         methods.  Add is_needed_ field.  Make bool fields into bitfields.
9793         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
9794         defined in a dynamic object and referenced by a regular object,
9795         set is_needed for the dynamic object.
9796         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
9797         if the file is marked with as_needed and it is not needed.
9798
9799 2009-11-04  Ian Lance Taylor  <iant@google.com>
9800
9801         PR 10887
9802         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
9803         tags if data is discarded by linker script.
9804         * i386.cc (Target_i386::do_finalize_sections): Likewise.
9805         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
9806         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
9807         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
9808
9809 2009-11-04  Ian Lance Taylor  <iant@google.com>
9810
9811         * layout.cc (Layout::get_output_section): Add is_interp and
9812         is_dynamic_linker_section parameters.  Change all callers.
9813         (Layout::choose_output_section): Likewise.
9814         (Layout::make_output_section): Likewise.
9815         (Layout::add_output_section_data): Add is_dynamic_linker_section
9816         parameter.  Change all callers.
9817         * layout.h (class Layout): Update declarations.
9818         * output.h (class Output_section): Add is_interp, set_is_interp,
9819         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
9820         Add is_interp_, is_dynamic_linker_section_ fields.  Change
9821         generate_code_fills_at_write_ to a bitfield.
9822         * output.cc (Output_section::Output_sections): Initialize new
9823         fields.
9824         (Output_segment::add_output_section): Add do_sort parameter.
9825         Change all callers.
9826
9827 2009-11-03  Ian Lance Taylor  <iant@google.com>
9828
9829         PR 10860
9830         * options.h (class General_options): Add --warn-common.
9831         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
9832         merging two common symbols.
9833         (Symbol_table::should_override): Handle --warn-common when merging
9834         a common symbol with a defined symbol.  Use report_resolve_problem
9835         for multiple definitions.
9836         (Symbol_table::report_resolve_problem): New function.
9837         * symtab.h (class Symbol_table): Declare report_resolve_problem.
9838
9839 2009-11-03  Doug Kwan  <dougkwan@google.com>
9840
9841         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
9842         stub_factory_.
9843         (Target_arm::stub_factory): New method definition.
9844         (Target_arm::new_arm_input_section,
9845         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
9846         Target_arm::reloc_uses_thumb_bit): New method declarations.
9847         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
9848         New type definitions.
9849         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
9850         member declarations.
9851         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
9852         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
9853         New method definitions.
9854
9855 2009-11-03  Ian Lance Taylor  <iant@google.com>
9856
9857         * options.h (class General_options): Add --warn_constructors.
9858
9859 2009-11-03  Ian Lance Taylor  <iant@google.com>
9860
9861         PR 10893
9862         * defstd.cc (in_section): Add entries for __rel_iplt_start,
9863         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
9864
9865 2009-11-03  Ian Lance Taylor  <iant@google.com>
9866
9867         PR 10895
9868         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
9869         --msgid-bugs-address.
9870         (install-pdf): New target.
9871         (install-data_yes): Look up one directory to find mkinstalldirs.
9872
9873 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
9874
9875         * po/Make-in (.po.gmo): Don't generate .gmo files in source
9876         tree.
9877
9878 2009-10-30  Doug Kwan  <dougkwan@google.com>
9879
9880         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
9881
9882 2009-10-30  Doug Kwan  <dougkwan@google.com>
9883
9884         * arm.cc (Stub_addend_reader): New struct template definition
9885         and partial specializations.
9886         (Stub_addend_reader::operator()): New method definition for a
9887         partially specialized template.
9888
9889 2009-10-30  Doug Kwan  <dougkwan@google.com>
9890
9891         * arm.cc (Arm_relobj::processor_specific_flags): New method
9892         definition.
9893         (Arm_relobj::do_read_symbols): New method declaration.
9894         (Arm_relobj::processor_specific_flags_): New data member declaration.
9895         (Arm_dynobj): New class definition.
9896         (Target_arm::do_finalize_sections): Add input_objects parameter.
9897         (Target_arm::do_adjust_elf_header): New method declaration.
9898         (Target_arm::are_eabi_versions_compatible,
9899         (Target_arm::merge_processor_specific_flags): New method declaration.
9900         (Target_arm::do_make_elf_object): New overloaded method definitions
9901         and declaration.
9902         (Arm_relobj::do_read_symbols): New method definition.
9903         (Arm_dynobj::do_read_symbols): Ditto.
9904         (Target_arm::do_finalize_sections): Add input_objects parameters.
9905         Merge processor-specific flags from all input objects.
9906         (Target_arm::are_eabi_versions_compatible,
9907         Target_arm::merge_processor_specific_flags,
9908         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
9909         New method definitions.
9910         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
9911         Input_objects pointer type parameter.
9912         * layout.cc (Layout::finalize): Pass input objects to target's.
9913         finalize_sections function.
9914         * output.cc (Output_file_header::do_sized_write): Set ELF file
9915         header's processor-specific flags.
9916         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
9917         Input_objects pointer type parameter.
9918         * sparc.cc (Target_sparc::do_finalize_sections): Same.
9919         * target.h (Input_objects): New forward class declaration.
9920         (Target::processor_specific_flags,
9921         Target::are_processor_specific_flags_sect): New method definitions.
9922         (Target::finalize_sections): Add input_objects parameter.
9923         (Target::Target): Initialize processor_specific_flags_ and
9924         are_processor_specific_flags_set_.
9925         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
9926         parameter.
9927         (Target::set_processor_specific_flags): New method definition.
9928         (Target::processor_specific_flags_,
9929         Target::are_processor_specific_flags_set_): New data member
9930         declarations.
9931         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
9932         Input_objects pointer type parameter.
9933
9934 2009-10-30  Doug Kwan  <dougkwan@google.com>
9935
9936         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
9937
9938 2009-10-28  Ian Lance Taylor  <iant@google.com>
9939
9940         * object.h (class Relobj): Drop options parameter from
9941         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
9942         do_scan_relocs, do_relocate.  Change all callers.
9943         (class Sized_relobj): Drop options parameters from
9944         do_gc_process_relocs, do_scan_relocs, do_relocate,
9945         do_relocate_sections, relocate_sections, emit_relocs_scan,
9946         emit_relocs_scan_reltype.  Change all callers.
9947         (struct Relocate_info): Remove options field and all references to
9948         it.
9949         * reloc.h (class Read_relocs): Remove options constructor
9950         parameter and options_ field.  Change all callers.
9951         (class Gc_process_relocs, class Scan_relocs): Likewise.
9952         (class Relocate_task): Likewise.
9953         * target-reloc.h (scan_relocs): Remove options parameter.  Change
9954         all callers.
9955         (scan_relocatable_relocs): Likewise.
9956         * target.h (class Sized_target): Remove options parameter from
9957         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
9958         all callers.
9959         * gc.h (gc_process_relocs): Remove options parameter.  Change all
9960         callers.
9961         * arm.cc: Update functions to remove options parameters.
9962         * i386.cc: Likewise.
9963         * powerpc.cc: Likewise.
9964         * sparc.cc: Likewise.
9965         * x86_64.cc: Likewise.
9966         * testsuite/testfile.cc: Likewise.
9967
9968 2009-10-28  Doug Kwan  <dougkwan@google.com>
9969
9970         * arm.cc (Arm_relobj): New class definition.
9971         (Arm_relobj::scan_sections_for_stubs,
9972         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
9973         New method definitions.
9974
9975 2009-10-28  Cary Coutant  <ccoutant@google.com>
9976
9977         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
9978         (Plugin::cleanup_done_): New member.
9979         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
9980         (Plugin_manager::cleanup_done_): Remove.
9981         (Plugin_manager::add_input_file): Edit error message.
9982         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
9983         (Plugin_manager::cleanup): Remove use of cleanup_done_.
9984
9985 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
9986
9987         * fileread.cc: (File_read::View::~View): Use the new
9988         data_ownership_ filed.
9989         (File_read::~File_read): Dispose the new whole_file_view_.
9990         (File_read::open): Mmap the whole file if needed.
9991         (File_read::open): Use whole_file_view_ instead of contents_.
9992         (File_read::find_view): Use whole_file_view_ if applicable.
9993         (File_read::do_read): Use whole_file_view_ instead of contents_.
9994         (File_read::make_view): Use whole_file_view_ instead of contents_,
9995         update File_read::View::View call.
9996         (File_read::find_or_make_view): Update File_read::View::View
9997         call.
9998         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
9999         remove contents_
10000         (File_read::View::Data_ownership): New enum.
10001         (File_read::View::View): Replace bool mapped_ with Data_ownership
10002         argument.
10003         (File_read::View::mapped_): Remove (replaced by data_ownership_).
10004         (File_read::View::data_ownership_): New field.
10005         (File_read::contents_): Remove (replaced by whole_file_view_).
10006         (File_read::whole_file_view_): New field.
10007         * options.h (class General_options): Add --keep-files-mapped.
10008
10009 2009-10-27  Cary Coutant  <ccoutant@google.com>
10010
10011         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
10012         * testsuite/Makefile.am (plugin_test_5): New test case.
10013         * testsuite/Makefile.in: Regenerate.
10014
10015 2009-10-25  Doug Kwan  <dougkwan@google.com>
10016
10017         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
10018         from private to protected to allow access by child class.
10019         (Sized_relobj::do_relocate_sections): New method declaration.
10020         (Sized_relobj::relocate_sections): Virtualize.
10021         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
10022         Sized_relobj::relocate_sections.  Instantiate template explicitly
10023         for different target sizes and endianity.
10024
10025 2009-10-24  Doug Kwan  <dougkwan@google.com>
10026
10027         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
10028         (Arm_input_section::as_arm_input_section): New method.
10029         (Arm_output_section): New class definition.
10030         (Arm_output_section::create_stub_group,
10031         Arm_output_section::group_sections): New method definitions.
10032
10033 2009-10-22  Doug Kwan  <dougkwan@google.com>
10034
10035         * arm.cc (Arm_input_section): New class definition.
10036         (Arm_input_section::init, Arm_input_section:do_write,
10037         Arm_input_section::set_final_data_size,
10038         Arm_input_section::do_reset_address_and_file_offset): New method
10039         definitions.
10040
10041 2009-10-21  Doug Kwan  <dougkwan@google.com>
10042
10043         * arm.cc (Stub_table, Arm_input_section): New forward class
10044         declarations.
10045         (Stub_table): New class defintion.
10046         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
10047         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
10048         New method definition.
10049
10050 2009-10-21  Doug Kwan  <dougkwan@google.com>
10051
10052         * arm.cc: Update copyright comments.
10053         (Target_arm): New forward class template declaration.
10054         (Arm_address): New type.
10055         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
10056         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
10057         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
10058         constants.
10059         (Insn_template): Same.
10060         (DEF_STUBS): New macro.
10061         (Stub_type): New enum type.
10062         (Stub_template): New class definition.
10063         (Stub): Same.
10064         (Reloc_stub): Same.
10065         (Stub_factory): Same.
10066         (Target_arm::Target_arm): Initialize may_use_blx_ and
10067         should_force_pic_veneer_.
10068         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
10069         Target_arm::should_force_pic_veneer,
10070         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
10071         Target_arm::using_thumb_only, Target_arm:;default_target): New
10072         method defintions.
10073         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
10074         New data member declarations.
10075         (Insn_template::size, Insn_template::alignment): New method defintions.
10076         (Stub_template::Stub_template): New method definition.
10077         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
10078         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
10079         (Stub_factory::Stub_factory): New method definition.
10080         * gold.h (string_hash): New template.
10081         * output.h (Input_section_specifier::hash_value): Use
10082         gold::string_hash.
10083         (Input_section_specifier::string_hash): Remove.
10084         * stringpool.cc (Stringpool_template::string_hash): Use
10085         gold::string_hash.
10086
10087 2009-10-20  Doug Kwan  <dougkwan@google.com>
10088
10089         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
10090         symbols of relaxed input sections.
10091         * output.h (Output_section::find_relaxed_input_section): Make
10092         method public.
10093
10094 2009-10-16  Doug Kwan  <dougkwan@google.com>
10095
10096         * dynobj.cc (Versions::Versions): Initialize version_script_.
10097         Only insert base version symbol definition for a shared object
10098         if version script defines any version versions.
10099         (Versions::define_base_version): New method definition.
10100         (Versions::add_def): Check that base version is not needed.
10101         (Versions::add_need): Define base version lazily.
10102         * dynobj.h (Versions::define_base_version): New method declaration.
10103         (Versions::needs_base_version_): New data member declaration.
10104         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
10105         (check_DATA): Add no_version_test.stdout.
10106         (libno_version_test.so, no_version_test.o no_version_test.stdout):
10107         New make rules.
10108         * testsuite/Makefile.in: Regenerate.
10109         * testsuite/no_version_test.c: New file.
10110         * testsuite/no_version_test.sh: Ditto.
10111
10112 2009-10-16  Doug Kwan  <dougkwan@google.com>
10113
10114         * expression.cc (class Segment_start_expression): New class definition.
10115         (Segment_start_expression::value): New method definition.
10116         (script_exp_function_segment_start): Return a new
10117         Segment_start_expression.
10118         * gold/script-c.h (script_saw_segment_start_expression): New function
10119         prototype.
10120         * script-sections.cc (Script_sections::Script_sections): Initialize
10121         SAW_SEGMENT_START_EXPRESSION_ to false.
10122         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
10123         and -Tbbs options to specify section addresses if given in
10124         command line and no SEGMENT_START expression is seen in a script.
10125         * script-sections.h (Script_sections::saw_segment_start_expression,
10126         Script_sections::set_saw_segment_start_expression): New method
10127         definition.
10128         (Script_sections::saw_segment_start_expression_): New data member
10129         declaration.
10130         * script.cc (script_saw_segment_start_expression): New function.
10131         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
10132         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
10133         script_test_7.sh and script_test_8.sh.
10134         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
10135         script_test_8.stdout.
10136         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
10137         (script_test_6, script_test_6.stdout, script_test_7,
10138         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
10139         * Makefile.in: Regenerate.
10140         * testsuite/script_test_6.sh: New file.
10141         * testsuite/script_test_6.t: Same.
10142         * testsuite/script_test_7.sh: Same.
10143         * testsuite/script_test_7.t: Same.
10144         * testsuite/script_test_8.sh: Same.
10145
10146 2009-10-16  Doug Kwan  <dougkwan@google.com>
10147
10148         * output.cc (Output_segment::set_section_list_address): Cast
10149         expressions to unsigned long long type to avoid format warnings.
10150
10151 2009-10-15  Ian Lance Taylor  <iant@google.com>
10152
10153         * script.cc (Script_options::add_symbol_assignment): Always add a
10154         dot assignment to script_sections_.
10155         * script-sections.cc (Script_sections::add_dot_assignment):
10156         Initialize if necessary.
10157
10158         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
10159         program headers with no load segment if there is a linker script.
10160
10161         * layout.cc (Layout::set_segment_offsets): Align the file offset
10162         to the segment aligment for -N or -n with no load segment.
10163         * output.cc (Output_segment::add_output_section): Don't crash if
10164         the first section is a TLS section.
10165         (Output_segment::set_section_list_addresses): Print an error
10166         message if the address moves backward in a linker script.
10167         * script-sections.cc
10168         (Output_section_element_input::set_section_addresses): Don't
10169         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
10170         (Orphan_output_section::set_section_addresses): Likewise.
10171
10172 2009-10-15  Doug Kwan  <dougkwan@google.com>
10173
10174         * layout.cc (Layout::finish_dynamic_section): Generate tags
10175         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
10176         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
10177         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
10178
10179 2009-10-14  Ian Lance Taylor  <iant@google.com>
10180
10181         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
10182         fields.
10183         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
10184         data_shdr fields of relinfo.
10185         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
10186         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
10187         R_386_TLS_LDO_32, adjust based on section flags.
10188         (Target_i386::Relocate::fix_up_ldo): Remove.
10189
10190 2009-10-13  Ian Lance Taylor  <iant@google.com>
10191
10192         Add support for -pie.
10193         * options.h (class General_options): Add -pie and
10194         --pic-executable.
10195         (General_options::output_is_position_independent): Test -pie.
10196         (General_options::output_is_executable): Return true if not shared
10197         and not relocatable.
10198         (General_options::output_is_pie): Remove.
10199         * options.cc (General_options::finalize): Reject incompatible uses
10200         of -pie.
10201         * gold.cc (queue_middle_tasks): A -pie link is not static.
10202         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
10203         * symtab.cc (Symbol::final_value_is_known): Return false if
10204         output_is_position_independent.
10205         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
10206         output_is_position_independent.
10207         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
10208         output_is_position_independent.
10209         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
10210         output_is_position_independent.
10211         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
10212         two_file_pie_test.
10213         (basic_pie_test.o, basic_pie_test): New targets.
10214         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
10215         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
10216         (two_file_pie_test): New target.
10217         * testsuite/Makefile.in: Rebuild.
10218         * README: Remove note saying that -pie is not supported.
10219
10220 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10221
10222         * options.h (class General_options): Add -init and -fini.
10223         * layout.cc (Layout::finish_dynamic_section): Emit
10224         given init and fini functions.
10225
10226 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
10227
10228         * gc.h (gc_process_relocs): Check if icf is enabled using new
10229         function.
10230         * gold.cc (queue_initial_tasks): Likewise.
10231         (queue_middle_tasks): Likewise.
10232         * object.cc (do_layout): Likewise.
10233         * symtab.cc (is_section_folded): Likewise.
10234         * main.cc (main): Likewise.
10235         * reloc.cc (Read_relocs::run): Likewise.
10236         (Sized_relobj::do_scan_relocs): Likewise.
10237         * icf.cc (is_function_ctor_or_dtor): New function.
10238         (Icf::find_identical_sections): Check if function is ctor or dtor when
10239         safe icf is chosen.
10240         * options.h (General_options::icf): Change option to be an enum.
10241         (Icf_status): New enum.
10242         (icf_enabled): New method.
10243         (icf_safe_folding): New method.
10244         (set_icf_status): New method.
10245         (icf_status_): New variable.
10246         * (options.cc) (General_options::finalize): Set icf_status_.
10247         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
10248         icf_test and icf_keep_unique_test to use the --icf enum flag.
10249         * testsuite/icf_safe_test.sh: New file.
10250         * testsuite/icf_safe_test.cc: New file.
10251
10252 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
10253
10254         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
10255         includes to gc.h and icf.h.
10256         * arm.cc: Include gc.h.
10257         * gold.cc: Likewise.
10258         * i386.cc: Likewise.
10259         * powerpc.cc: Likewise.
10260         * sparc.cc: Likewise.
10261         * x86_64.cc: Likewise.
10262         * gc.h: Include icf.h.
10263
10264 2009-10-11  Ian Lance Taylor  <iant@google.com>
10265
10266         * plugin.cc: Include "gold.h" before other header files.
10267
10268 2009-10-10  Chris Demetriou  <cgd@google.com>
10269
10270         * options.h (Input_file_argument::Input_file_type): New enum.
10271         (Input_file_argument::is_lib_): Replace with...
10272         (Input_file_argument::type_): New member.
10273         (Input_file_argument::Input_file_argument): Take Input_file_type
10274         'type' rather than boolean 'is_lib' as second argument.
10275         (Input_file_argument::is_lib): Use type_.
10276         (Input_file_argument::is_searched_file): New function.
10277         (Input_file_argument::may_need_search): Handle is_searched_file.
10278         * options.cc (General_options::parse_library): Support -l:filename.
10279         (General_options::parse_just_symbols): Update for Input_file_argument
10280         changes.
10281         (Command_line::process): Likewise.
10282         * archive.cc (Archive::get_file_and_offset): Likewise.
10283         * plugin.cc (Plugin_manager::release_input_file): Likewise.
10284         * script.cc (read_script_file, script_add_file): Likewise.
10285         * fileread.cc (Input_file::Input_file): Likewise.
10286         (Input_file::will_search_for): Handle is_searched_file.
10287         (Input_file::open): Likewise.
10288         * readsyms.cc (Read_symbols::get_name): Likewise.
10289         * testsuite/Makefile.am (searched_file_test): New test.
10290         * testsuite/Makefile.in: Regenerate.
10291         * testsuite/searched_file_test.cc: New file.
10292         * testsuite/searched_file_test_lib.cc: New file.
10293
10294 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10295             Ian Lance Taylor  <iant@google.com>
10296
10297         * descriptor.cc: Include <cstdio> and "binary-io.h".
10298         (Descriptors::open): Open the files in binary mode always.
10299         * script.cc (Lex::get_token): Treat \r as whitespace.
10300
10301 2009-10-09  Ian Lance Taylor  <iant@google.com>
10302
10303         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
10304
10305 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10306             Ian Lance Taylor  <iant@google.com>
10307
10308         * configure.ac: Check for readv function also.
10309         * fileread.cc (readv): Define if not HAVE_READV.
10310         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
10311         does not exist.
10312         * config.in: Regenerate.
10313         * configure: Regenerate.
10314
10315 2009-10-09  Doug Kwan  <dougkwan@google.com>
10316
10317         * layout.cc (Layout::make_output_section): Call target hook to make
10318         ordinary output section.
10319         (Layout::finalize): Adjust parameter list of call the
10320         Target::may_relax().
10321         * layout.h (class Layout::section_list): New method.
10322         * merge.h (Output_merge_base::entsize): Change visibility to public.
10323         (Output_merge_base::is_string, Output_merge_base::do_is_string):
10324         New methods.
10325         (Output_merge_string::do_is_string): New method.
10326         * object.cc (Sized_relobj::do_setup): renamed from
10327         Sized_relobj::set_up.
10328         * object.h (Sized_relobj::adjust_shndx,
10329         Sized_relobj::initializ_input_to_output_maps,
10330         Sized_relobj::free_input_to_output_maps): Change visibilities to
10331         protected.
10332         (Sized_relobj::setup): Virtualize.
10333         (Sized_relobj::do_setup): New method declaration.
10334         (Sized_relobj::invalidate_section_offset,
10335         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
10336         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
10337         * options.cc (parse_int): New function.
10338         * options.h (parse_int): New declaration.
10339         (DEFINE_int): New macro.
10340         (stub_group_size): New option.
10341         * output.cc (Output_section::Output_section): Initialize memebers
10342         merge_section_map_, merge_section_by_properties_map_,
10343         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
10344         (Output_section::add_input_section): Handled deferred code-fill
10345         generation and remove an old comment.
10346         (Output_section::add_relaxed_input_section): New method definition.
10347         (Output_section::add_merge_input_section): Use merge section by
10348         properties map to speed to search.  Update merge section maps
10349         as appropriate.
10350         (Output_section::build_relaxation_map): New method definition.
10351         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
10352         Same.
10353         (Output_section::relax_input_section): Renamed to
10354         Output_section::convert_input_sections_to_relaxed_sections and change
10355         interface to take a vector of pointers to relaxed sections.
10356         (Output_section::find_merge_section,
10357         Output_section::find_relaxed_input_section): New method definitions.
10358         (Output_section::is_input_address_mapped,
10359         Output_section::output_offset, Output_section::output_address):
10360         Use output section data maps to speed up searching.
10361         (Output_section::find_starting_output_address): Add comments.
10362         (Output_section::do_write,
10363         Output_section::write_to_postprocessing_buffer): Do code-fill
10364         generation as appropriate.
10365         (Output_section::get_input_sections): Invalidate relaxed input section
10366         map.
10367         (Output_section::restore_states): Adjust type of checkpoint .
10368         Invalidate relaxed input section map.
10369         * output.h (Output_merge_base): New class declaration.
10370         (Input_section_specifier): New class defintion.
10371         (class Output_relaxed_input_section) Change base class to
10372         Output_section_data_build.
10373         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
10374         base class initializer.
10375         (Output_section::add_relaxed_input_section): New method declaration.
10376         (Output_section::Input_section): Change visibility to protected.
10377         (Output_section::Input_section::relobj,
10378         Output_section::Input_section::shndx): Handle relaxed input sections.
10379         Output_section::input_sections) Change visibility to protected.  Also
10380         define overload to return a non-const pointer.
10381         (Output_section::Merge_section_properties): New class defintion.
10382         (Output_section::Merge_section_by_properties_map,
10383         Output_section::Output_section_data_by_input_section_map,
10384         Output_section::Relaxation_map): New types.
10385         (Output_section::relax_input_section): Rename method to
10386         Output_section::convert_input_sections_to_relaxed_sections and change
10387         interface to take a vector of relaxed section pointers.
10388         (Output_section::find_merge_section,
10389         Output_section::find_relaxed_input_section,
10390         Output_section::build_relaxation_map,
10391         Output_section::convert_input_sections_in_list_to_relaxed_sections):
10392         New method declarations.
10393         (Output_section::merge_section_map_
10394         Output_section::merge_section_by_properties_map_,
10395         Output_section::relaxed_input_section_map_,
10396         Output_section::is_relaxed_input_section_map_valid_,
10397         Output_section::generate_code_fills_at_write_): New data members.
10398         * script-sections.cc
10399         (Output_section_element_input::set_section_addresses): Call
10400         current_data_size and addralign methods of relaxed input sections.
10401         (Orphan_output_section::set_section_addresses): Call current_data_size
10402         and addralign methods of relaxed input sections.
10403         * symtab.cc (Symbol_table::compute_final_value): Extract template
10404         from the body of Symbol_table::sized_finalize_symbol.
10405         (Symbol_table::sized_finalized_symbol): Call
10406         Symbol_table::compute_final_value.
10407         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
10408         (Symbol_table::compute_final_value): New templated method declaration.
10409         * target.cc (Target::do_make_output_section): New method defintion.
10410         * target.h (Target::make_output_section): New method declaration.
10411         (Target::relax): Add more parameters for input objects, symbol table
10412         and layout.  Adjust call to do_relax.
10413         (Target::do_make_output_section): New method declaration.
10414         (Target::do_relax): Add parameters for input objects, symbol table
10415         and layout.
10416
10417 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10418
10419         * pread.c: Include stdio.h.
10420
10421 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10422
10423         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
10424         defined.
10425
10426 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10427
10428         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
10429         Change read_shndx type to unsigned int.
10430         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
10431         int.
10432         (Sized_dwarf_line_info::read_line_mappings): Likewise.
10433         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
10434         Change read_shndx type to unsigned int.
10435         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
10436         int.
10437         (Sized_dwarf_line_info::read_line_mappings): Likewise.
10438         * layout.cc (Layout::create_symtab_sections): Cast the result of
10439         local_symcount * symsize to off_t in the gold_assert.
10440
10441 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10442
10443         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
10444         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
10445         R_ARM_BASE_ABS.
10446         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
10447         (Arm_relocate_functions::thm_abs5): New function.
10448         (Arm_relocate_functions::abs12): New function.
10449         (Arm_relocate_functions::abs16): New function.
10450         (Arm_relocate_functions::base_abs): New function.
10451         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
10452         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
10453         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
10454         R_ARM_BASE_ABS.
10455         (Scan::global): Likewise.
10456         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
10457         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
10458         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
10459         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
10460         R_ARM_BASE_ABS.
10461
10462 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10463
10464         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
10465         (Arm_relocate_functions::movt_prel): New function.
10466         (Arm_relocate_functions::thm_movw_prel_nc): New function.
10467         (Arm_relocate_functions::thm_movt_prel): New function.
10468         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
10469         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
10470         (Scan::global, Relocate::relocate): Likewise.
10471         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10472
10473 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
10474
10475         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
10476         Incremental_checker.
10477         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
10478         unsigned int.
10479         (class Incremental_inputs_header): New class.
10480         (Incremental_inputs_header_writer): Edit comment.
10481         (Incremental_inputs_entry): New class.
10482         (Incremental_inputs_entry_writer): Edit comment.
10483         (Sized_incremental_binary::do_find_incremental_inputs_section):
10484         Add *strtab_shndx parameter, fill it.
10485         (Sized_incremental_binary::do_check_inputs): New method.
10486         (Incremental_checker::can_incrementally_link_output_file): Use
10487         Sized_incremental_binary::check_inputs.
10488         (Incremental_inputs::report_command_line): Save command line in
10489         command_line_.
10490         * incremental.h:
10491         (Incremental_binary::find_incremental_inputs_section): New
10492         method.
10493         (Incremental_binary::do_find_incremental_inputs_section): Add
10494         strtab_shndx parameter.
10495         (Incremental_binary::do_check_inputs): New pure virtual method.
10496         (Sized_incremental_binary::do_check_inputs): Declare.
10497         (Incremental_checker::Incremental_checker): Add incremental_inputs
10498         parameter, use it to initialize incremental_inputs_.
10499         (Incremental_checker::incremental_inputs_): New field.
10500         (Incremental_checker::command_line): New method.
10501         (Incremental_checker::inputs): New method.
10502         (Incremental_checker::command_line_): New field.
10503
10504 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
10505
10506         * incremental.cc: Include <cstdarg> and "target-select.h".
10507         (vexplain_no_incremental): New function.
10508         (explain_no_incremental): New function.
10509         (Incremental_binary::error): New method.
10510         (Sized_incremental_binary::do_find_incremental_inputs_section): New
10511         method.
10512         (make_sized_incremental_binary): New function.
10513         (open_incremental_binary): New function.
10514         (can_incrementally_link_file): Add checks if output is ELF and has
10515         inputs section.
10516         * incremental.h: Include "elfcpp_file.h" and "output.h".
10517         (Incremental_binary): New class.
10518         (Sized_incremental_binary): New class.
10519         (open_incremental_binary): Declare.
10520         * object.cc (is_elf_object): Use
10521         elfcpp::Elf_recognizer::is_elf_file.
10522         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
10523         * output.h (Output_file::filesize): New method.
10524
10525 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10526
10527         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
10528         New function.
10529         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
10530         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
10531         function.
10532         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
10533         function.
10534         (Arm_relocate_functions::movw_abs_nc): New function.
10535         (Arm_relocate_functions::movt_abs): New function.
10536         (Arm_relocate_functions::thm_movw_abs_nc): New function.
10537         (Arm_relocate_functions::thm_movt_abs): New function.
10538         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
10539         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
10540         (Scan::global): Likewise.
10541         (Relocate::relocate): Likewise.
10542         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10543
10544 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10545
10546         * arm.cc (Arm_relocate_functions::got_prel) New function.
10547         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
10548         (Relocate::relocate): Likewise.
10549         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10550
10551 2009-10-06  Ian Lance Taylor  <iant@google.com>
10552
10553         * options.h (class General_options): Define
10554         split_stack_adjust_size parameter.
10555         * object.h (class Object): Add uses_split_stack_ and
10556         has_no_split_stack_ fields.  Add uses_split_stack and
10557         has_no_split_stack accessor functions.  Declare
10558         handle_split_stack_section.
10559         (class Reloc_symbol_changes): Define.
10560         (class Sized_relobj): Define Function_offsets.  Declare
10561         split_stack_adjust, split_stack_adjust_reltype, and
10562         find_functions.
10563         * object.cc (Object::handle_split_stack_section): New function.
10564         (Sized_relobj::do_layout): Call handle_split_stack_section.
10565         * dynobj.cc (Sized_dynobj::do_layout): Call
10566         handle_split_stack_section.
10567         * reloc.cc (Sized_relobj::relocate_sections): Call
10568         split_stack_adjust for executable sections in split_stack
10569         objects.  Pass reloc_map to relocate_section.
10570         (Sized_relobj::split_stack_adjust): New function.
10571         (Sized_relobj::split_stack_adjust_reltype): New function.
10572         (Sized_relobj::find_functions): New function.
10573         * target-reloc.h: Include "object.h".
10574         (relocate_section): Add reloc_symbol_changes parameter.  Change
10575         all callers.
10576         * target.h (class Target): Add calls_non_split method.  Declare
10577         do_calls_non_split virtual method.  Declare match_view and
10578         set_view_to_nop.
10579         * target.cc: Include "elfcpp.h".
10580         (Target::do_calls_non_split): New function.
10581         (Target::match_view): New function.
10582         (Target::set_view_to_nop): New function.
10583         * gold.cc (queue_middle_tasks): Give an error if mixing
10584         split-stack and non-split-stack objects with -r.
10585         * i386.cc (Target_i386::relocate_section): Add
10586         reloc_symbol_changes parameter.
10587         (Target_i386::do_calls_non_split): New function.
10588         * x86_64.cc (Target_x86_64::relocate_section): Add
10589         reloc_symbol_changes parameter.
10590         (Target_x86_64::do_calls_non_split): New function.
10591         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
10592         parameter.
10593         * powerpc.cc (Target_powerpc::relocate_section): Add
10594         reloc_symbol_changes parameter.
10595         * sparc.cc (Target_sparc::relocate_section): Add
10596         reloc_symbol_changes parameter.
10597         * configure.ac: Call AM_CONDITIONAL for the default target.
10598         * configure: Rebuild.
10599         * testsuite/Makefile.am (TEST_AS): New variable.
10600         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
10601         (check_DATA): Add split_i386 and split_x86_64 files.
10602         (SPLIT_DEFSYMS): Define.
10603         (split_i386_[1234n].o): New targets.
10604         (split_i386_[124]): New targets.
10605         (split_i386_[1234r].stdout): New targets.
10606         (split_x86_64_[1234n].o): New targets.
10607         (split_x86_64_[124]): New targets.
10608         (split_x86_64_[1234r].stdout): New targets.
10609         (MOSTLYCLEANFILES): Add new executables.
10610         * testsuite/split_i386.sh: New file.
10611         * testsuite/split_x86_64.sh: New file.
10612         * testsuite/split_i386_1.s: New file.
10613         * testsuite/split_i386_2.s: New file.
10614         * testsuite/split_i386_3.s: New file.
10615         * testsuite/split_i386_4.s: New file.
10616         * testsuite/split_i386_n.s: New file.
10617         * testsuite/split_x86_64_1.s: New file.
10618         * testsuite/split_x86_64_2.s: New file.
10619         * testsuite/split_x86_64_3.s: New file.
10620         * testsuite/split_x86_64_4.s: New file.
10621         * testsuite/split_x86_64_n.s: New file.
10622         * testsuite/testfile.cc (Target_test): Update relocation_section
10623         function.
10624         * testsuite/Makefile.in: Rebuild.
10625
10626 2009-10-06  Ian Lance Taylor  <iant@google.com>
10627
10628         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
10629         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
10630         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
10631         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
10632         the address on ldo_addrs_.
10633         (Target_i386::Relocate::fix_up_ldo): New function.
10634
10635 2009-10-06   Rafael Espindola  <espindola@google.com>
10636
10637         * plugin.cc (add_input_library): New.
10638         (Plugin::load): Add add_input_library to tv.
10639         (Plugin_manager::add_input_file): Add the is_lib argument.
10640         (add_input_file): Update call to Plugin_manager::add_input_file.
10641         (add_input_library): New.
10642         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
10643
10644 2009-09-30  Doug Kwan  <dougkwan@google.com>
10645
10646         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
10647         symbol and call Symbol::may_need_copy_reloc to determine if
10648         a copy reloc is needed.
10649         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
10650         nocopyreloc is given in command line.
10651         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
10652         given in command line.
10653         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
10654         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
10655         of the removed Target_i386::may_need_copy_reloc.
10656         * options.h (copyreloc): New option with default value false.
10657         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10658         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
10659         instead of the removed Target_powerpc::may_need_copy_reloc.
10660         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10661         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
10662         instead of the removed Target_sparc::may_need_copy_reloc.
10663         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
10664         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
10665         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
10666         instead of the removed Target_x86_64::may_need_copy_reloc.
10667
10668 2009-09-30  Ian Lance Taylor  <iant@google.com>
10669
10670         * object.h (class Object): Remove target_ field, and target,
10671         sized_target, and set_target methods.
10672         (Object::sized_target): Remove.
10673         (class Sized_relobj): Update declarations.  Remove sized_target.
10674         * object.cc (Sized_relobj::setup): Remove target parameter.
10675         Change all callers.
10676         (Input_objects::add_object): Don't do anything with the target.
10677         (make_elf_sized_object): Add punconfigured parameter.  Change all
10678         callers.  Set or test parameter target.
10679         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
10680         Change all callers.
10681         * parameters.cc (Parameters::set_target): Change parameter type to
10682         be non-const.
10683         (Parameters::default_target): Remove.
10684         (set_parameters_target): Change parameter type to be non-const.
10685         (parameters_force_valid_target): New function.
10686         (parameters_clear_target): New function.
10687         * parameters.h (class Parameters): Update declarations.  Remove
10688         default_target method.  Add sized_target and clear_target
10689         methods.  Change target_ to be non-const.
10690         (set_parameters_target): Update declaration.
10691         (parameters_force_valid_target): Declare.
10692         (parameters_clear_target): Declare.
10693         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
10694         as NULL if we aren't searching.
10695         (Add_symbols::run): Don't check for compatible target.
10696         * fileread.cc (Input_file::open_binary): Call
10697         parameters_force_valid_target.
10698         * gold.cc (queue_middle_tasks): Likewise.
10699         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
10700         set_target on object.
10701         * dynobj.h (class Sized_dynobj): Update declarations.
10702         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
10703         make_elf_object returns NULL.
10704         (Archive::include_member): Don't check whether object target is
10705         compatible.
10706         * output.cc (Output_section::add_input_section): Get target from
10707         parameters.
10708         (Output_section::relax_input_section): Likewise.
10709         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
10710         parameters.
10711         (Sized_relobj::do_scan_relocs): Likewise.
10712         (Sized_relobj::relocate_sections): Likewise.
10713         * resolve.cc (Symbol_table::resolve): Likewise.
10714         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
10715         parameter.  Change all callers.
10716         (Symbol_table::add_from_object): Get target from parameters.
10717         (Symbol_table::add_from_relobj): Don't check object target.
10718         (Symbol_table::add_from_dynobj): Likewise.
10719         (Symbol_table::define_special_symbol): Get target from
10720         parameters.
10721         * symtab.h (class Symbol_table): Update declaration.
10722         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
10723         parameter.  Change all callers.  Clear parameter target.
10724         (Binary_test): Test target here.
10725         * testsuite/object_unittest.cc (gold_testsuite): Remove
10726         target_test_pointer parameter.  Change all callers.
10727         (Object_test): Test target here.
10728
10729 2009-09-26  Ian Lance Taylor  <iant@google.com>
10730
10731         * testsuite/initpri1.c: Don't try to use constructor priorities if
10732         compiling with gcc before 4.3.
10733
10734 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
10735
10736         * testsuite/retain_symbols_file_test.sh (check_present): Change
10737         output file name to retain_symbols_file_test.stdout.
10738         (check_absent): Likewise.
10739
10740 2009-09-18  Craig Silverstein  <csilvers@google.com>
10741
10742         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
10743         * options.cc: Include <cerrno> and <fstream>.
10744         (General_options::finalize): Parse -retain-symbols-file tag.
10745         * options.h: New flag.
10746         (General_options): New method should_retain_symbol, new
10747         variable symbols_to_retain.
10748         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
10749         should_retain_symbol map.
10750         * testsuite/Makefile.am (retain_symbols_file_test): New test.
10751         * testsuite/Makefile.in: Regenerate.
10752         * testsuite/retain_symbols_file_test.sh: New file.
10753
10754 2009-09-18  Nick Clifton  <nickc@redhat.com>
10755
10756         * po/es.po: Updated Spanish translation.
10757
10758 2009-09-17  Doug Kwan  <dougkwan@google.com>
10759
10760         * debug.h (DEBUG_RELAXATION): New constant.
10761         (DEBUG_ALL): Add DEBUG_RELAXATION.
10762         (debug_string_to_enum): Add relaxation debug option.
10763         * layout.cc
10764         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
10765         Layout::Relaxation_debug_check::read_sections,
10766         Layout::Relaxation_debug_check::read_sections): New method definitions.
10767         (Layout::Layout): Initialize data members
10768         record_output_section_data_from_scrips_,
10769         script_output_section_data_list_ and relaxation_debug_check_.
10770         (Layout::save_segments, Layout::restore_segments,
10771         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10772         Layout::relaxation_loop_body): New method definitions.
10773         (Layout::finalize): Support relaxation.  Move section layout code to
10774         Layout::relaxation_loop_body.
10775         (Layout::set_asection_address_from_script): Move code for orphan
10776         section placement out.
10777         (Layout::place_orphan_sections_in_script): New method definition.
10778         * layout.h (Output_segment_headers, Output_file_header):
10779         New forward class declarations.
10780         (Layout::~Layout): Define.
10781         (Layout::new_output_section_data_from_script): New method definition.
10782         (Layout::place_orphan_sections_in_script): New method declaration.
10783         (Layout::Segment_states): New type declaration.
10784         (Layout::save_segments, Layout::restore_segments,
10785         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10786         Layout::relaxation_loop_body): New method declarations.
10787         (Layout::Output_section_data_list): New type declaration.
10788         (Layout::Relaxation_debug_check): New class definition.
10789         (Layout::record_output_section_data_from_script_,
10790         Layout::script_output_section_data_list_, Layout::segment_states_,
10791         Layout::relaxation_debug_check_): New data members.
10792         * output.cc: (Output_section_headers::do_size): New method definition.
10793         (Output_section_headers::Output_section_headers): Move size
10794         computation to Output_section_headers::do_size.
10795         (Output_segment_headers::do_size): New method definition.
10796         (Output_file_header::Output_file_header): Move size computation to
10797         Output_file_header::do_size and call it.
10798         (Output_file_header::do_size): New method definition.
10799         (Output_data_group::Output_data_group): Adjust call to
10800         Output_section_data.
10801         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
10802         (Output_symtab_xindex::do_write): Add array bound check.
10803         (Output_section::Input_section::print_to_mapfile): Handle
10804         RELAXED_INPUT_SECTION_CODE.
10805         (Output_section::Output_section): Initialize data member checkpoint_.
10806         (Output_section::~Output_section): Delete checkpoint object pointed
10807         by checkpoint_.
10808         (Output_section::add_input_section): Always add an Input_section if
10809         relaxing.
10810         (Output_section::add_merge_input_section): Add assert.
10811         (Output_section::relax_input_section): New method definition.
10812         (Output_section::set_final_data_size): Set load address to zero for
10813         an unallocated section.
10814         (Output_section::do_address_and_file_offset_have_reset_values):
10815         New method definition.
10816         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
10817         Handle relaxed input section.
10818         (Output_section::sort_attached_input_sections): Checkpoint input
10819         section list lazily.
10820         (Output_section::get_input_sections): Change type of input_sections to
10821         list of Simple_input_section pointers.  Checkpoint input section list
10822         lazily.  Also handle relaxed input sections.
10823         (Output_section::add_input_section_for_script): Take a reference to
10824         a Simple_input_section object instead of Relobj pointer and section
10825         index as parameter.  Handle relaxed input sections.
10826         (Output_section::save_states, Output_section::restore_states): New
10827         method definitions.
10828         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
10829         (Output_data::is_data_size_fixed): New method definition.
10830         (Output_data::reset_addresss_and_file_offset): Do not reset data size
10831         if it is fixed.
10832         (Output_data::address_and_file_offset_have_reset_values): New method
10833         definition.
10834         (Output_data::do_address_and_file_offset_have_reset_values): New method
10835         definition.
10836         (Output_data::set_data_size): Check that data size is not fixed.
10837         (Output_data::fix_data_size): New method definition.
10838         (Output_data::is_data_size_fixed_): New data member.
10839         (Output_section_headers::set_final_data_size): New method definition.
10840         (Output_section_headers::do_size): New method declaration.
10841         (Output_segment_headers::set_final_data_size): New method definition.
10842         (Output_segment_headers::do_size): New method declaration.
10843         (Output_file_header::set_final_data_size)::New method definition.
10844         (Output_file_header::do_size)::New method declaration.
10845         (Output_section_data::Output_section_data): Add new parameter
10846         is_data_size_fixed and use it to fix data size.
10847         (Output_data_const::Output_data_const): Adjust call to base class
10848         constructor and fix data size.
10849         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
10850         base class constructor and fix data size.
10851         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
10852         base class constructor and fix data size.
10853         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
10854         class constructor and fix data size.
10855         (Output_data_group::set_final_data_size): New method definition.
10856         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
10857         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
10858         class constructor and fix data size.
10859         (Output_relaxed_input_section): New class definition.
10860         (Output_section::Simple_input_section): New class definition.
10861         (Output_section::get_input_sections): Adjust parameter list.
10862         (Output_section::add_input_section_for_script): Same.
10863         (Output_section::save_states, Output_section::restore_states,
10864         Output_section::do_address_and_file_offset_have_reset_values,
10865         (Output_section::Input_section::Input_section): Handle
10866         RELAXED_INPUT_SECTION_CODE.  Add new overload for
10867         Output_relaxed_input_section.
10868         (Output_section::Input_section::is_input_section,
10869         Output_section::Input_section::set_output_section): Handle relaxed
10870         input section.
10871         (Output_section::Input_section::is_relaxed_input_section,
10872         Output_section::Input_section::output_section_data,
10873         Output_section::Input_section::relaxed_input_section): New method
10874         definitions.
10875         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
10876         value.
10877         (Output_section::Input_section::u1_): Update comments.
10878         (Output_section::Input_section::u2_): Add new union member poris.
10879         (Output_section::Checkpoint_output_section): New classs definition.
10880         (Output_section::relax_input_section): New method declaration.
10881         (Output_section::checkpoint_): New data member.
10882         (Output_segment): Update comments.
10883         (Output_segment::Output_segment): Un-privatize copy constructor.
10884         (Output_segment::operator=): Un-privatize.
10885         * script-sections.cc (Output_section_element::Input_section_list):
10886         Change element type to Output_section::Simple_input_section.
10887         (Output_section_element_dot_assignment::set_section_addresses):
10888         Register output section data for relaxation clean up.
10889         (Output_data_exression::Output_data_expression): Adjust call to base
10890         constructor to fix data size.
10891         (Output_section_element_data::set_section_addresses): Register
10892         Output_data_expression object for relaxation clean up.
10893         (struct Input_section_info): Replace Relobj pointer and section index
10894         pair with Output_section::Simple_input_section and Convert struct to a
10895         class.
10896         (Input_section_sorter::operator()): Adjust access to
10897         Input_section_info data member to use accessors.
10898         (Output_section_element_input::set_section_addresses): Use layout
10899         parameter.  Adjust code to use Output_section::Simple_input_section
10900         and Input_secction_info classes.  Register filler for relaxation
10901         clean up.
10902         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
10903         and section index pair with Output_section::Simple_input_section
10904         class.  Adjust code accordingly.
10905         (Phdrs_element::release_segment): New method definition.
10906         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
10907         segment list.
10908         (Script_sections::release_segments): New method definition.
10909         * gold/script-sections.h (Script_sections::release_segments): New
10910         method declaration.
10911         * gold/target.h (Target::may_relax, Target::relax,
10912         Target::do_may_relax, Target::do_relax): New method definitions.
10913
10914 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10915
10916         * arm.cc (has_signed_unsigned_overflow): New function.
10917         (Arm_relocate_functions::abs8): New function.
10918         (Target_arm::Scan::local): Handle R_ARM_ABS8.
10919         (Target_arm::Scan::global): Likewise.
10920         (Target_arm::relocate::relocate): Likewise.
10921         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10922         Likewise.
10923
10924 2009-09-16  Cary Coutant  <ccoutant@google.com>
10925
10926         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
10927         * testsuite/Makefile.in: Regenerate.
10928
10929 2009-09-11  Nick Clifton  <nickc@redhat.com>
10930
10931         * po/gold.pot: Updated by the Translation project.
10932
10933 2009-09-08  Cary Coutant  <ccoutant@google.com>
10934
10935         * output.cc (Output_file::open): Add execute permission to empty file.
10936         * testsuite/Makefile.am (permission_test): New test.
10937         * testsuite/Makefile.in: Regenerate.
10938
10939 2009-09-02  Ian Lance Taylor  <iant@google.com>
10940
10941         * output.cc (Output_file::resize): Call map_no_anonymous rather
10942         than map.
10943
10944 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
10945
10946         * gold.cc: Include "incremental.h".
10947         (queue_initial_tasks): Call Incremental_checker methods.
10948         * incremental.cc: Include "output.h".
10949         (Incremental_checker::can_incrementally_link_output_file): New
10950         method.
10951         * incremental.h (Incremental_checker): New class.
10952
10953         * output.cc (Output_file::open_for_modification): New method.
10954         (Output_file::map_anonymous): Changed return type to bool.  Record
10955         map in base_ field.
10956         (Output_file::map_no_anonymous): New method, broken out of map.
10957         (Output_file::map): Use map_no_anonymous and map_anonymous.
10958         * output.h (class Output_file): Update declarations.
10959
10960 2009-08-24  Cary Coutant  <ccoutant@google.com>
10961
10962         * options.h (Command_line::Pre_options): New class.
10963         (Command_line::pre_options): New member.
10964         * options.cc (gold::options::ready_to_register): New variable.
10965         (One_option::register_option): Do nothing if not registering options.
10966         Assert if same short option registered twice.
10967         (General_options::General_options): Turn off option registration when
10968         done constructing.
10969         (Command_line::Pre_options::Pre_options): New constructor.
10970
10971 2009-08-24  Cary Coutant  <ccoutant@google.com>
10972
10973         * options.h (General_options::no_keep_memory): Remove incorrect
10974         short option.
10975
10976 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10977
10978         * Makefile.am (am__skiplex, am__skipyacc): New.
10979         * Makefile.in: Regenerate.
10980
10981 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10982
10983         * Makefile.am (AM_CPPFLAGS): Renamed from ...
10984         (INCLUDES): ... this.
10985         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
10986         (AM_CPPFLAGS): Renamed from ...
10987         (INCLUDE): ... this.
10988         * Makefile.in, testsuite/Makefile.in: Regenerate.
10989
10990         * Makefile.in: Regenerate.
10991         * aclocal.m4: Likewise.
10992         * config.in: Likewise.
10993         * configure: Likewise.
10994         * testsuite/Makefile.in: Likewise.
10995
10996         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10997         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10998         * Makefile.in: Regenerate.
10999         * testsuite/Makefile.in: Regenerate.
11000
11001 2009-08-19  Cary Coutant  <ccoutant@google.com>
11002
11003         * resolve.cc (Symbol_table::resolve): Don't complain about defined
11004         symbols in shared libraries overridden by hidden or internal symbols
11005         in the main program.
11006
11007 2009-08-19  Chris Demetriou  <cgd@google.com>
11008
11009         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
11010         checking source file names in error messages.
11011
11012 2009-08-18  Doug Kwan  <dougkwan@google.com>
11013
11014         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
11015         an elcpp::Ehdr as parameter.  Adjust call to set_target.
11016         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
11017         an elfcpp::Ehdr as parameter.
11018         * object.cc (Object::set_target): Remove the version that looks up
11019         a target and sets it.
11020         (Sized_relobj::setup): Take a Target object instead of
11021         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
11022         (make_elf_sized_object): Find target and ask target to
11023         make an ELF object.
11024         * object.h: (Object::set_target): Remove the version that looks up
11025         a target and sets it.
11026         (Sized_relobj::setup): Take a Target object instead of
11027         an elfcpp:Ehdr as parameter.
11028         * target.cc: Include dynobj.h.
11029         (Target::do_make_elf_object_implementation): New.
11030         (Target::do_make_elf_object): New.
11031         * target.h (Target::make_elf_object): New template declaration.
11032         (Target::do_make_elf_object): New method declarations.
11033         (Target::do_make_elf_object_implementation): New template declaration.
11034
11035 2009-08-14  Ian Lance Taylor  <iant@google.com>
11036
11037         * gold.h (FUNCTION_NAME): Define.
11038         (gold_unreachable): Use FUNCTION_NAME.
11039
11040 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
11041
11042         * icf.cc (Icf::find_identical_sections): Issue a warning when a
11043         symbol in the --keep-unique list is not found.
11044
11045 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
11046
11047         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
11048         been maked as --keep-unique.
11049         (Icf::unfold_section): New function.
11050         * icf.h (Icf::unfold_section): New function.
11051         * options.h (General_options::keep_unique): New option.
11052         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
11053         * testsuite/Makefile.in: Regenerate.
11054         * testsuite/icf_keep_unique_test.sh: New file.
11055         * testsuite/icf_keep_unique_test.cc: New file.
11056
11057 2009-08-12  Cary Coutant  <ccoutant@google.com>
11058
11059         PR 10471
11060         * resolve.cc (Symbol_table::resolve): Check for references from
11061         dynamic objects to hidden and internal symbols.
11062         * testsuite/Makefile.am (hidden_test.sh): New test.
11063         * testsuite/Makefile.in: Regenerate.
11064         * testsuite/hidden_test.sh: New script.
11065         * testsuite/hidden_test_1.c: New test source.
11066         * testsuite/hidden_test_main.c: New test source.
11067
11068 2009-08-11  Doug Kwan  <dougkwan@google.com>
11069
11070         * arm.cc: Update comments.
11071         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
11072         segment to locate the .ARM.exidx section if present.
11073
11074 2009-08-09  Doug Kwan  <dougkwan@google.com>
11075
11076         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
11077         patch.
11078
11079 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
11080         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
11081         compiler warnings.
11082
11083 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
11084
11085         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
11086         valid tls_segment only for non-debug-section relocations.
11087         * testsuite/Makefile.am: Add gc_tls_test.
11088         * testsuite/Makefile.in: Regenerate.
11089         * testsuite/gc_tls_test.cc: New file.
11090         * testsuite/gc_tls_test.sh: New file.
11091
11092 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
11093
11094         * icf.cc: New file.
11095         * icf.h: New file.
11096         * Makefile.am (CCFILES): Add icf.cc.
11097         (HFILES): Add icf.h
11098         * Makefile.in: Regenerate.
11099         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
11100         * gc.h (gc_process_relocs): Populate lists used by icf to contain
11101         section, symbol and addend information for the relocs.
11102         * gold.cc (queue_middle_tasks): Call identical code folding.
11103         * gold.h: Add defines for multimap.
11104         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
11105         to the call of finalize_local_symbols.
11106         * main.cc (main): Create object of class Icf.
11107         * object.cc (Sized_relobj::do_layout): Allow this function to be
11108         called twice during icf.
11109         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
11110         to sections marked as identical by icf.
11111         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
11112         when available.
11113         (Sized_relobj::do_section_entsize): New function.
11114         * object.h (Object::section_entsize): New function.
11115         (Object::do_section_entsize): New pure virtual function.
11116         (Relobj::finalize_local_symbols): Add new parameter.
11117         (Relobj::do_section_entsize): New function.
11118         * options.h (General_options::icf): New option.
11119         (General_options::icf_iterations): New option.
11120         (General_options::print_icf_sections): New option.
11121         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
11122         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
11123         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
11124         icf.
11125         * symtab.cc (Symbol_table::is_section_folded): New function.
11126         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
11127         to sections marked as identical by icf.
11128         * symtab.h (Symbol_table::set_icf): New function.
11129         (Symbol_table::icf): New function.
11130         (Symbol_table::is_section_folded): New function.
11131         (Symbol_table::icf_): New data member.
11132         * target-reloc.h (relocate_section): Ignore sections folded by icf.
11133         * testsuite/Makefile.am: Add commands to build icf_test.
11134         * testsuite/Makefile.in: Regenerate.
11135         * testsuite/icf_test.sh: New file.
11136         * testsuite/icf_test.cc: New file.
11137
11138 2009-07-24  Chris Demetriou  <cgd@google.com>
11139
11140         * layout.cc (is_compressible_debug_section): Fix incorrect
11141         comment about compressed section names.
11142
11143 2009-07-20  Ian Lance Taylor  <ian@airs.com>
11144
11145         PR 10419
11146         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
11147
11148 2009-07-16  Ian Lance Taylor  <iant@google.com>
11149
11150         PR 10400
11151         * layout.h: #include <map>.
11152         (class Kept_section): Change from struct to class.  Add accessors
11153         and setters.  Add section size to Comdat_group mapping.  Change
11154         Comdat_group to std::map.  Add is_comdat_ field.  Add
11155         linkonce_size field in union.
11156         (class Layout): Update declaration of find_or_add_kept_section.
11157         Don't declare find_kept_object.
11158         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
11159         parameter.  Add object, shndx, is_comdat, and is_group_name
11160         parameters.  Change all callers.  Adjust for new Kept_section.
11161         (Layout::find_kept_object): Remove.
11162         * object.cc (Sized_relobj::include_section_group): Update use of
11163         Kept_section.  Rename secnum to shndx.  Only record
11164         Kept_comdat_section if sections are the same size.
11165         (Sized_relobj::include_linkonce_section): Update use of
11166         Kept_section.  Only record Kept_comdat_section if sections are the
11167         same size.  Set size of linkonce section.
11168         (Sized_relobj::map_to_kept_section): Update call to
11169         get_kept_comdat_section.
11170         * object.h (class Sized_relobj): Rename fields in
11171         Kept_comdat_section to drop trailing underscores; change object
11172         field to Relobj*.  Change Kept_comdat_section_table to store
11173         struct rather than pointer.
11174         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
11175         Add kept_object and kept_shndx parameters.  Change all callers.
11176         (Sized_relobj::get_kept_comdat_section): Change return type to
11177         bool.  Add kept_object and kept_shndx parameters.  Change all
11178         callers.
11179         * plugin.cc (Pluginobj::include_comdat_group): Update call to
11180         Layout::find_or_add_kept_section.
11181
11182 2009-07-09  Ian Lance Taylor  <iant@google.com>
11183
11184         * merge.cc (Object_merge_map::initialize_input_to_output_map):
11185         Reserve space in the hash table.
11186
11187 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
11188
11189         * fileread.cc (File_read::get_mtime): New method.
11190         * fileread.h (Timespec): New structure.
11191         (File_read::get_mtime): New method.
11192         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
11193         Renamed from timestamp_nsec.
11194         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
11195         Elf_Xword.
11196         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
11197         timestamp_nsec.
11198         (Incremental_inputs::report_archive): Save mtime; style fix.
11199         (Incremental_inputs::report_obejct): Save mtime; style fix.
11200         (Incremental_inputs::report_script): Save mtime; style fix.
11201         (Incremental_inputs::finalize_inputs): Style fix.
11202         (Incremental_inputs::finalize): Style fix.
11203         (Incremental_inputs::create_input_section_data): Store inputs
11204         mtime.
11205         * incremental.h (Incremental_inputs::report_script): Add mtime
11206         argument.
11207         (Incremental_inputs::Input_info::Input_info): Intialize only one
11208         union member.
11209         (Incremental_inputs::Input_info::archive): Move to nameless
11210         union.
11211         (Incremental_inputs::Input_info::obejct): Move to nameless union.
11212         (Incremental_inputs::Input_info::script): Move to nameless union.
11213         (Incremental_inputs::mtime): New field.
11214         * script.cc (read_input_script): Pass file mtime to
11215         Incremental_input.
11216         * script.h (Script_info::inputs): Style fix.
11217
11218 2009-07-01  Ian Lance Taylor  <ian@airs.com>
11219
11220         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
11221         instead of 32.
11222
11223 2009-06-24  Ian Lance Taylor  <iant@google.com>
11224
11225         PR 10156
11226         * layout.cc (Layout::choose_output_section): If we find an
11227         existing section, update the flags.
11228         (Layout::create_notes): New function, broken out of
11229         Layout::finalize.
11230         (Layout::finalize): Don't create note sections.
11231         (Layout::create_note): Don't crash if linker script discards
11232         section.
11233         (Layout::create_gold_note): Likewise.
11234         (Layout::create_build_id): Likewise.  Don't set
11235         after_input_sections on the section.
11236         (Layout::create_executable_stack_info): Remove target parameter.
11237         Change caller.
11238         * layout.h (class Layout): Declare create_notes.  Update
11239         declaration of create_executable_stack_info.
11240         * gold.cc (queue_middle_tasks): Call create_notes.
11241         * output.cc (Output_section::update_flags_for_input_section): Move
11242         here from output.h.  If SHF_ALLOC flag is newly set, mark address
11243         invalid.
11244         * output.h (Output_data::mark_address_invalid): New function.
11245         (class Output_section): Only declare, not define,
11246         update_flags_for_input_section.  Remove set_flags.
11247
11248 2009-06-24  Ian Lance Taylor  <iant@google.com>
11249
11250         * script-sections.cc (Output_section_definition::
11251         set_section_addresses): Rename shadowing local load_address to
11252         laddr.
11253
11254 2009-06-24  Ian Lance Taylor  <iant@google.com>
11255
11256         PR 10244
11257         * reloc.cc (relocate_sections): Skip empty relocation sections.
11258
11259 2009-06-23  Ian Lance Taylor  <iant@google.com>
11260
11261         PR 10156
11262         * layout.cc (Layout::create_note): Use choose_output_section
11263         rather than make_output_section.
11264
11265 2009-06-23  Ian Lance Taylor  <iant@google.com>
11266
11267         PR 10237
11268         * options.cc (General_options::parse_V): Set printed_version_.
11269         (General_options::General_options): Initialize printed_version_.
11270         * options.h (class General_options): Add printed_version_ field.
11271         * gold.cc (queue_initial_tasks): If there are no input files,
11272         don't give a fatal error if we printed the version information.
11273         (queue_middle_tasks): If using -r with a shared object, give a
11274         fatal error rather than an ordinary error.
11275
11276 2009-06-23  Ian Lance Taylor  <iant@google.com>
11277
11278         PR 10219
11279         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
11280         (Layout::make_output_section): Set have_stabstr_section_ if we see
11281         a .stab*str section.
11282         (Layout::finalize): Call link_stabs_sections.
11283         (Layout::link_stabs_sections): New file.
11284         * layout.h (class Layout): Add have_stabstr_section_ field.
11285         Declare link_stabs_sections.
11286
11287 2009-06-23  Doug Kwan  <dougkwan@google.com>
11288
11289         * Makefile.am (libgold_a_LIBADD): New.
11290         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
11291         * Makefile.in: Regenerate.
11292         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
11293         * configure: Regenerate.
11294         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
11295         * fileread.cc: Include sys/state.h
11296         * gold.h: Declare memmem and strndup if found missing.
11297         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
11298
11299 2009-06-23  Ian Lance Taylor  <iant@google.com>
11300
11301         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
11302         * configure: Rebuild.
11303
11304 2009-06-23  Ian Lance Taylor  <iant@google.com>
11305
11306         PR 10147
11307         * object.cc (Object::section_contents): Don't try to get a view if
11308         the section has length zero.
11309         (Object::handle_gnu_warning_section): If the section is empty, use
11310         the name of the section as the warning.
11311
11312 2009-06-23  Ian Lance Taylor  <iant@google.com>
11313
11314         PR 10133
11315         * stringpool.h (class Stringpool_template): Add optimize_ field.
11316         (Stringpool_template::set_optimize): New function.
11317         * stringpool.cc (Stringpool_template::Stringpool_template):
11318         Initialize optimize_ field.
11319         (Stringpool_template::set_string_offsets): Test local optimize
11320         fild rather than parameter.
11321         * layout.cc (Layout::Layout): Call set_optimize on the section
11322         name stringpool.
11323
11324 2009-06-22  Ian Lance Taylor  <iant@google.com>
11325
11326         PR 10030
11327         * yyscript.y: Parse TARGET.
11328         * script.cc (script_set_target): New function.
11329         * script-c.h (script_set_target): Declare.
11330         * options.cc (General_options::string_to_object_format): Rename
11331         from string_to_object_format in anonymous namespace.  Change
11332         callers.
11333         * options.h (class General_options): Declare
11334         string_to_object_format.
11335
11336 2009-06-22  Ian Lance Taylor  <iant@google.com>
11337
11338         * script-sections.cc (Script_sections::create_segments): Don't put
11339         program headers in a PT_LOAD segment if -n or -N.
11340
11341 2009-06-22  Ian Lance Taylor  <iant@google.com>
11342
11343         PR 10141
11344         * options.h (class General_options): Add -z lazy and -z now.  Sort
11345         -z options into alphabetical order.
11346         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
11347
11348 2009-06-21  Ian Lance Taylor  <iant@google.com>
11349
11350         * layout.cc (Layout::make_output_section): Call
11351         Target::new_output_section.
11352         (Layout::attach_allocated_section_to_segment): Put large section
11353         sections in a separate load segment with the large segment flag
11354         set.
11355         (Layout::segment_precedes): Sort large data segments after other
11356         load segments.
11357         (align_file_offset): New static function.
11358         (Layout::set_segment_offsets): Use align_file_offset.
11359         * output.h (class Output_section): Add is_small_section_ and
11360         is_large_section_ fields.
11361         (Output_section::is_small_section): New function.
11362         (Output_section::set_is_small_section):  New function.
11363         (Output_section::is_large_section): New function.
11364         (Output_section::set_is_large_section): New function.
11365         (Output_section::is_large_data_section): New function.
11366         (class Output_segment): Add is_large_data_segment_ field.
11367         (Output_segment::is_large_data_segment): New function.
11368         (Output_segment::set_is_large_data_segment): New function.
11369         * output.cc (Output_section::Output_section): Initialize new
11370         fields.
11371         (Output_segment::Output_segment): Likewise.
11372         (Output_segment::add_output_section): Add assertion that large
11373         data sections always go in large data segments.  Force small data
11374         sections to the end of the list of data sections.  Force small BSS
11375         sections to the start of the list of BSS sections.  For large BSS
11376         sections to the end of the list of BSS sections.
11377         * symtab.h (class Symbol): Declare is_common_shndx.
11378         (Symbol::is_defined): Check Symbol::is_common_shndx.
11379         (Symbol::is_common): Likewise.
11380         (class Symbol_table): Define enum Commons_section_type.  Update
11381         declarations.  Add small_commons_ and large_commons_ fields.
11382         * symtab.cc (Symbol::is_common_shndx): New function.
11383         (Symbol_table::Symbol_table): Initialize new fields.
11384         (Symbol_table::add_from_object): Put small and large common
11385         symbols in the right list.
11386         (Symbol_table::sized_finalized_symbol): Check
11387         Symbol::is_common_shndx.
11388         (Symbol_table::sized_write_globals): Likewise.
11389         * common.cc (Symbol_table::do_allocate_commons): Allocate new
11390         common symbol lists.  Don't call do_allocate_commons_list if the
11391         list is empty.
11392         (Symbol_table::do_allocate_commons_list): Remove is_tls
11393         parameter.  Add comons_section_type parameter.  Change all
11394         callers.  Handle small and large common symbols.
11395         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
11396         Symbol::is_common_shndx.
11397         * resolve.cc (symbol_to_bits): Likewise.
11398         * target.h (Target::small_common_shndx): New function.
11399         (Target::small_common_section_flags): New function.
11400         (Target::large_common_shndx): New function.
11401         (Target::large_common_section_flags): New function.
11402         (Target::new_output_section): New function.
11403         (Target::Target_info): Add small_common_shndx, large_common_shndx,
11404         small_common_section_flags, and large_common_section_flags
11405         fields.
11406         (Target::do_new_output_section): New virtual function.
11407         * arm.cc (Target_arm::arm_info): Initialize new fields.
11408         * i386.cc (Target_i386::i386_info): Likewise.
11409         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
11410         Likewise.
11411         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
11412         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11413         (Target_x86_64::do_new_output_section): New function.
11414         * configure.ac: Define conditional MCMODEL_MEDIUM.
11415         * testsuite/Makefile.am (check_PROGRAMS): Add large.
11416         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
11417         (large_LDFLAGS): Define.
11418         * testsuite/large.c: New file.
11419         * testsuite/testfile.cc (Target_test::test_target_info):
11420         Initialize new fields.
11421         * configure, testsuite/Makefile.in: Rebuild.
11422
11423 2009-06-05  Doug Kwan  <dougkwan@google.com>
11424
11425         * Makefile.am (CCFILES): Add target.cc.
11426         * Makefile.in: Regenerate.
11427         * i386.cc (class Target_i386): Define new virtual method to
11428         override do_is_local_label_name in parent.
11429         * object.cc (Sized_relobj::do_count_local_symbols): Discard
11430         local symbols if --discard-locals or -X is given.
11431         * options.h (class General_options): Declare new options
11432         '--discard-locals' and '-X' for discarding locals.
11433         * target.h (class Target): Define new methods is_local_label_name.
11434         Declare new virtual method do_is_local_label_name.
11435         * target.cc: New file.
11436         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
11437         (check_SCRIPTS): Add discard_locals_test.sh.
11438         (check_DATA): Add discard_local_tests.syms.
11439         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
11440         (discard_local_tests.syms, discard_locals_test.o): New make rules.
11441         * testsuite/Makefile.in: Regenerate.
11442         * testsuite/discard_locals_test.c: New file.
11443         * testsuite/discard_locals_test.sh: Same.
11444
11445 2009-06-05  Doug Kwan  <dougkwan@google.com>
11446
11447         * object.cc (Sized_relobj::Sized_relobj): Initialize
11448         discarded_eh_frame_shndx_ to -1U.
11449         (Sized_relobj::do_layout): Record index of a discard .eh_frame
11450         section.
11451         (Sized_relobj::do_count_local_symbols): Skip local symbols in
11452         a discarded .eh_frame section.
11453         (Sized_relobj::do_finalize_local_symbols): Ditto.
11454         * object.h (class Sized_relobj): Declare new member
11455         discarded_eh_frame_shndx_.
11456         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
11457         (local_labels_test.o, local_labels_test): New rules.
11458         * testsuite/Makefile.in: Regenerate.
11459
11460 2009-06-04  Doug Kwan  <dougkwan@google.com>
11461
11462         * layout.cc (Layout::section_name_mapping): Add mapping for
11463         special ARM sections.
11464
11465 2009-06-03  Doug Kwan  <dougkwan@google.com>
11466
11467         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
11468         (utils::has_overflow): Same.
11469
11470 2009-06-03  Ian Lance Taylor  <iant@google.com>
11471
11472         * layout.cc (Layout::section_name_mapping): New array, replacing
11473         Layout::linkonce_mapping.
11474         (Layout::section_name_mapping_count): New variable, replacing
11475         Layout::linkonce_mapping_count.
11476         (Layout::linkonce_output_name): Remove.
11477         (Layout::output_section_name): Rewrite.
11478         * layout.h (class Layout): Rename Linkonce_mapping to
11479         Section_name_mapping, linkonce_mapping to section_name_mapping,
11480         linkonce_mapping_count to section_name_mapping_count.  Don't
11481         declare linkonce_output_name.
11482
11483 2009-06-03  Doug Kwan  <dougkwan@google.com>
11484
11485         * gold/arm.cc (namespace utils): New.
11486         (Target_arm::reloc_is_non_pic): Define new method.
11487         (class Arm_relocate_functions): New.
11488         (Target_arm::Relocate::relocate): Handle relocation types used by
11489         Android.
11490
11491 2009-06-03  Ian Lance Taylor  <iant@google.com>
11492
11493         * arm.cc (Target_arm::scan::global): Use || instead of |.
11494
11495 2009-06-02  Doug Kwan  <dougkwan@google.com>
11496
11497         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
11498         issued_non_pic_error_.
11499         (class Target_arm::Scan): Declare new method check_non_pic.
11500         Define new method symbol_needs_plt_entry.
11501         Declare new data member issued_non_pic_error_.
11502         (class Target_arm::Relocate): Declare new method
11503         should_apply_static_reloc.
11504         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
11505         (Target_arm::Scan::check_non_pic): Define new method.
11506         (Target_arm::Scan::local): Handle a small subset of reloc types used
11507         by Android.
11508         (Target_arm::Scan::local): Same.
11509         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
11510
11511 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
11512
11513         * incremental.cc (Incremental_inputs::report_command_line): Filter
11514         out --incremental-* options.
11515
11516 2009-05-29  Doug Kwan  <dougkwan@google.com>
11517
11518         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
11519         template class.
11520         (class Target_arm): Update comment.
11521         (Target_arm::Target_arm): Initialize new data members GOT_,
11522         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
11523         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
11524         and Target_arm::rel_dyn_section.
11525         Declare new_enum Target_arm::Got_type.
11526         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
11527         and DYNBSS_.
11528         Update commments for member do_dynsym_value.
11529         (Target_arm::got_size, Target_arm::plt_section,
11530         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
11531         new methods inside class defintion.
11532         (Target_arm::got_section): Define new method.
11533         (Target_arm::rel_dyn_section): Same.
11534         (Output_data_plt_arm): New template class.
11535         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
11536         (Output_data_plt_arm:do_adjust_output_section): Define new method.
11537         (Output_data_plt_arm::add_entry): Same.
11538         (Output_data_plt_arm::first_plt_entry): Define new
11539         static data member for PLT instruction template.
11540         (Output_data_plt_arm::plt_entry): Same.
11541         (Output_data_plt_arm::do_write): Define new method.
11542         (Target_arm::make_plt_entry): Same.
11543         (Target_arm::do_finalize_sections): Same.
11544         (Target_arm::do_dynsym_value): Same.
11545
11546 2009-05-28  Doug Kwan  <dougkwan@google.com>
11547
11548         * Makefile.am (TARGETSOURCES): Add arm.cc.
11549         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
11550         * Makefile.in: Regenerate.
11551         * arm.cc: New file.
11552         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
11553
11554 2009-05-26  Doug Kwan  <dougkwan@google.com>
11555
11556         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
11557         (General_options::check_excluded_libs): Strip off directories in
11558         archive name before matching like GNU ld does.
11559         * testsuite/Makefile.am (MOSTLYCLEANFILES,
11560         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
11561         (exclude_libs_test_LDFLAGS): Add linker option
11562         -Wl,--exclude-libs,libexclude_libs_test_3
11563         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
11564         an explicit archive without using -l.
11565         (alt/libexclude_libs_test_3.a): New make rule.
11566         * testsuite/Makefile.in: Regenerate.
11567         * testsuite/exclude_libs_test.c : Declare lib3_default().
11568         (main): Call it.
11569         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
11570         * exclude_libs_test_3.c: New file.
11571
11572 2009-05-26  Nick Clifton  <nickc@redhat.com>
11573
11574         * po/id.po: New Indonesian translation.
11575         * po/gold.pot: Updated template file.
11576
11577 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
11578
11579         * testsuite/Makefile.am: Add -ffunction-sections to compile
11580         gc_comdat_test files.  Add -Wl,--gc-sections to build
11581         gc_comdat_test.
11582         * testsuite/Makefile.in: Regenerate.
11583         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
11584
11585 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
11586
11587         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
11588         kept comdat section was garbage collected.
11589         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
11590         * testsuite/Makefile.in: Regenerate.
11591         * testsuite/gc_comdat_test.sh: New file.
11592         * testsuite/gc_comdat_test_1.cc: New file.
11593         * testsuite/gc_comdat_test_2.cc: New file.
11594
11595 2009-05-19  Doug Kwan  <dougkwan@google.com>
11596
11597         * archive.cc (Archive::Archive): Move constructor from archive.h
11598         to here.  Initialize no_export_.
11599         (Archive::get_elf_object_for_member): Set no_export flag of object.
11600         * archive.h (Archive::Archive): Move constructor body to
11601         archive.cc.
11602         (Archive::no_export): New method.
11603         (Archive::no_export_): New field.
11604         * object.h (Object::Object): Initialize no_export_ to false.
11605         (Object::no_export, Object::set_no_export): New methods.
11606         (Object::no_export_): New field.
11607         * options.cc (General_options::parse_exclude_libs): New method.
11608         (General_options::check_excluded_libs) Same.
11609         * options.h (exclude_libs): New option.
11610         (General_options::check_excluded_libs): New method declaration.
11611         (General_options::excluded_libs_): New field.
11612         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
11613         default or protected visibility if an object has no-export flag set.
11614         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
11615         (check_SCRIPTS): Add exclude_libs_test.sh.
11616         (check_DATA): Add exclude_libs_test.syms.
11617         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
11618         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
11619         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
11620         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
11621         (exclude_libs_test.syms, libexclude_libs_test_1.a,
11622         libexclude_libs_test_2.a): New rules.
11623         * testsuite/Makefile.in: Regenerate.
11624         * testsuite/exclude_libs_test.c: New file.
11625         * testsuite/exclude_libs_test.sh: Ditto.
11626         * testsuite/exclude_libs_test_1.c: Ditto.
11627         * testsuite/exclude_libs_test_2.c: Ditto.
11628
11629 2009-05-15  Ian Lance Taylor  <iant@google.com>
11630
11631         * configure.ac: Check for declarations for cases where libiberty.h
11632         checks HAVE_DECL_xxx.
11633         * configure, config.in: Rebuild.
11634
11635 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
11636
11637         * gold.h (Incremental_argument_list): Remove (invalid) forward
11638         declaration.
11639         * incremental.cc (Incremental_inputs::report_achive): New method.
11640         (Incremental_inputs::report_object): New method.
11641         (Incremental_inputs::report_script): New method.
11642         (Incremental_inputs::finalize_inputs): New method.
11643         (Incremental_inputs::finalize): Call finalize_inputs().
11644         (Incremental_inputs::sized_create_incremental_inputs_section_data):
11645         Create inputs entries.
11646         * incremental.h (Incremental_input_type): New enum.
11647         (Incremental_inputs::Incremental_input): Initialize new fields.
11648         (Incremental_inputs::report_inputs): New method.
11649         (Incremental_inputs::report_achive): New method.
11650         (Incremental_inputs::report_object): New method.
11651         (Incremental_inputs::report_script): New method.
11652         (Incremental_inputs::finalize_inputs): New method.
11653         (Incremental_inputs::Input_info): New struct.
11654         (Incremental_inputs::Input_info_map): New typedef.
11655         (Incremental_inputs::lock_): New field.
11656         (Incremental_inputs::Inputs_): New field.
11657         (Incremental_inputs::Inputs_map): New field.
11658         * main.cc (main): Call Incremental_input::report_inputs.
11659         * options.h (Input_argument_list): Typedef moved from
11660         Input_arguments.
11661         (Input_file_group::Files): Remove, use ::Input_argument_list.
11662         (Input_file_group::Input_argument_list): Remove, use
11663         ::Input_argument_list.
11664         * plugin.cc (Plugin_manager::add_input_file): Add error in
11665         incremental build.
11666         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
11667         functions.
11668         * script.cc (read_input_script): Call
11669         Incremental_input::report_script.
11670         * script.h (Script_info): New class.
11671
11672 2009-04-27  Ian Lance Taylor  <iant@google.com>
11673
11674         * x86_64.cc (do_adjust_output_section): Set entsize to
11675         plt_entry_size.
11676
11677 2009-04-23  Elliott Hughes  <enh@google.com>
11678
11679         * output.cc (Output_file::close): After short writes, continue
11680         writing from the correct offset in the buffer being written.
11681
11682 2009-04-23  Chris Demetriou  <cgd@google.com>
11683
11684         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
11685         * configure: Regenerate.
11686         * config.in: Regenerate.
11687         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
11688         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
11689
11690 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
11691
11692         * incremental.cc (Incremental_inputs_header_data): Renamed from
11693         Incremental_input_header_data.
11694         (Incremental_inputs_header_data::data_size): New field.
11695         (Incremental_inputs_header_data::put_input_file_count): Renamed
11696         from input_file_count.
11697         (Incremental_inputs_header_data::put_command_line_offset): Renamed
11698         from command_line_offset.
11699         (Incremental_inputs_header_data::put_reserved): Renamed from
11700         put_reserved.
11701         (Incremental_inputs_entry_data): Renamed from
11702         Incremental_input_entry_data.
11703         (Incremental_inputs_entry_data::data_size): New field.
11704         (Incremental_inputs::report_command_line): New method.
11705         (Incremental_inputs::finalize): New method.
11706         (Incremental_inputs::create_incremental_inputs_data): New method.
11707         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
11708         * incremental.h: New file.
11709         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
11710         (Layout::finalize): Create incremental inputs section in
11711         incremental builds.
11712         (Layout::create_incremental_info_sections): New method.
11713         * layout.h (Layout::incremental_inputs): New method.
11714         (Layout::create_incremental_info_sections): New method.
11715         (Layout::incremental_inputs_): New field.
11716         * main.cc (main): Notify Incremental_input of the command line.
11717
11718 2009-04-01  Ian Lance Taylor  <iant@google.com>
11719             Mikolaj Zalewski  <mikolajz@google.com>
11720
11721         * gold.h (reserve_unordered_map): Define, three versions, one for
11722         each version of Unordered_map.
11723         * layout.cc (Layout::Layout): Remove options parameter.  Add
11724         number_of_input_files parameter.  Don't initialize options_.
11725         Initialize number_of_input_files_ and resized_signatures_.  Move
11726         sections_are_attached_.
11727         (Layout::layout_group): Reserve space for group_signatures_.
11728         (Layout::find_or_add_kept_section): Change name parameter to be a
11729         reference.  Resize signatures_ map when it gets large enough.
11730         (Layout::layout_eh_frame): Use parameters->options() instead of
11731         this->options_.
11732         (Layout::make_output_section): Likewise.
11733         (Layout::attach_allocated_section_to_segment): Likewise.
11734         (Layout::finalize, Layout::create_executable_stack): Likewise.
11735         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
11736         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
11737         * layout.h (class Layout): Update declarations.  Remove options_
11738         field.  Add number_of_input_files_ and resized_signatures_
11739         fields.  Move sections_are_attached_ field.
11740         * main.cc (main): Pass number of input files to Layout
11741         constructor.  Don't pass options.
11742
11743 2009-03-30  Ian Lance Taylor  <iant@google.com>
11744
11745         * ffsll.c (ffsll): Correct implementation.
11746
11747 2009-03-27  Ian Lance Taylor  <iant@google.com>
11748
11749         * ffsll.c: New file.
11750         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
11751         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
11752         * ftruncate.c (ftruncate): Declare before definition.
11753         * mremap.c (mremap): Likewise.
11754         * pread.c (pread): Likewise.
11755         * configure, Makefile.in, config.in: Rebuild.
11756
11757         * mremap.c: New file.
11758         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
11759         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
11760         (mremap): Declare if HAVE_MREMAP is not defined.
11761         * configure, Makefile.in, config.in: Rebuild.
11762
11763 2009-03-27  Cary Coutant  <ccoutant@google.com>
11764
11765         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
11766         position independent.
11767         * sparc.cc (Target_sparc::check_non_pic): Likewise.
11768         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
11769
11770 2009-03-24  Cary Coutant  <ccoutant@google.com>
11771
11772         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
11773         an executable.
11774         (needs_dynamic_reloc): Likewise.
11775
11776 2009-03-24  Ian Lance Taylor  <iant@google.com>
11777
11778         * yyscript.y (file_cmd): Recognize EXTERN.
11779         (extern_name_list, extern_name_list_body): New nonterminals.
11780         * script.cc (script_add_extern): Define.
11781         * script-c.h (script_add_extern): Declare.
11782
11783 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
11784
11785         * object.cc (is_elf_object): Define.
11786         * object.h (is_elf_object): Declare.
11787         * archive.cc (Archive::get_elf_object_for_member): Call
11788         is_elf_object.
11789         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
11790
11791 2009-03-24  Elliott Hughes  <enh@google.com>
11792
11793         * output.cc (Output_file::map_anonymous): Define.
11794         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
11795         try an anonymous one.  Report the size if the mmap fails.
11796         * output.h (class Output_file): Declare map_anonymous.
11797
11798 2009-03-24  Ian Lance Taylor  <iant@google.com>
11799
11800         * target-select.cc (instantiate_target): Don't acquire the lock if
11801         the instantiated_target_ field has already been set.
11802
11803 2009-03-23  Ian Lance Taylor  <iant@google.com>
11804
11805         * gold-threads.h (class Initialize_lock): Define.
11806         * gold-threads.cc (class Initialize_lock_once): Define.
11807         (initialize_lock_control): New static variable.
11808         (initialize_lock_pointer): New static variable.
11809         (initialize_lock_once): New static function.
11810         (Initialize_lock::Initialize_lock): Define.
11811         (Initialize_lock::initialize): Define.
11812         * target-select.h: Include "gold-threads.h".
11813         (class Target_selector): Add lock_ and initialize_lock_ fields.
11814         Don't define instantiate_target, just declare it.
11815         * target-select.cc (Target_selector::Target_selector): Initialize
11816         new fields.
11817         (Target_selector::instantiate_target): Define.
11818         * descriptors.h: Include "gold-threads.h".
11819         (class Descriptors): Add initialize_lock_ field.
11820         * descriptors.cc (Descriptors::Descriptors): Initialize new
11821         field.
11822         (Descriptors::open): Use initialize_lock_ field
11823         * errors.h (class Errors): Add initialize_lock_ field.
11824         * errors.cc (Errors::Errors): Initialize new field.
11825         (Errors::initialize_lock): Use initialize_lock_ field.
11826         * powerpc.cc (class Target_selector_powerpc): Remove
11827         instantiated_target_ field.  In do_recognize call
11828         instantiate_target rather than do_instantiate_target.  In
11829         do_instantiate_target just allocate a new target.
11830         * sparc.cc (class Target_selector_sparc): Likewise.
11831
11832         * freebsd.h: New file.
11833         * i386.cc: Include "freebsd.h".
11834         (Target_i386): Derive from Target_freebsd rather than
11835         Sized_target.
11836         (Target_selector_i386): Derive from Target_selector_freebsd rather
11837         than Target_selector.
11838         * x86_64.cc: Include "freebsd.h".
11839         (Target_x86_64): Derive from Target_freebsd rather than
11840         Sized_target.
11841         (Target_selector_x86_64): Derive from Target_selector_freebsd
11842         rather than Target_selector.
11843         * target.h (class Target): Add adjust_elf_header and
11844         do_adjust_elf_header.
11845         * output.cc (Output_file_header:: do_sized_write): Call target
11846         adjust_elf_header routine.
11847         * configure.tgt: Set targ_osabi.
11848         * configure.ac: Define GOLD_DEFAULT_OSABI.
11849         * parameters.cc (Parameters::default_target): Pass
11850         GOLD_DEFAULT_OSABI to select_target.
11851         * target-select.h (class Target_selector): Make instantiate_target
11852         protected rather than private.
11853         * Makefile.am (HFILES): Add freebsd.h.
11854         * configure, Makefile.in, config.in: Rebuild.
11855
11856         * merge.cc (do_add_input_section): Correct pend value.  Change
11857         message about last entry not being null terminated from error to
11858         warning.
11859
11860 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
11861
11862         * incremental.cc: New file.
11863         * Makefile.am (CCFILES): Add incremental.cc.
11864         * Makefile.in: Rebuild.
11865
11866 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
11867
11868         * layout.cc (Layout::output_section_name): Preserve names
11869         of '.note.' sections.
11870
11871 2009-03-19  Ian Lance Taylor  <iant@google.com>
11872
11873         * descriptors.cc (Descriptors::open): Check that the options are
11874         valid before using them.
11875
11876 2009-03-18  Ian Lance Taylor  <iant@google.com>
11877
11878         * script-sections.h: Include <list>.
11879         (class Script_sections): Change Sections_elements from std::vector
11880         to std::list.  Typedef public Elements_iterator.  Add
11881         orphan_section_placement_, data_segment_align_start_, and
11882         saw_data_segment_align_ fields.  Remove data_segment_align_index_
11883         field.
11884         * script-sections.cc (class Orphan_section_placement): New class.
11885         (class Sections_element): Add virtual functions is_relro and
11886         orphan_section_init.  Remove virtual function place_orphan_here.
11887         (class Output_section_definition): Add is_relro and
11888         orphan_section_init.  Remove place_orphan_here.
11889         (class Orphan_output_section): Likewise.
11890         (Script_sections::Script_sections): Update for field changes.
11891         (Script_sections::data_segment_align): Set saw_data_segment_align_
11892         and data_segment_align_start_, not data_segment_align_index.
11893         (Script_sections::data_segment_relro_end): Check
11894         saw_data_segment_align_.  Use data_segment_align_start_ rather
11895         than data_segment_align_index_.
11896         (Script_sections::place_orphan): Rewrite to use
11897         Orphan_section_placement.
11898
11899 2009-03-17  Ian Lance Taylor  <iant@google.com>
11900
11901         * archive.cc (Archive::add_symbols): Check for a version attached
11902         to the symbol name in the archive map.
11903         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
11904         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
11905         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
11906         (ver_test_11.a): New target.
11907         * testsuite/Makefile.in: Rebuild.
11908
11909         * configure.ac: Check for chsize and posix_fallocate.  Replace
11910         ftruncate.
11911         * ftruncate.c: New file, from gnulib.
11912         * output.cc (posix_fallocate): Define dummy version if not
11913         HAVE_POSIX_FALLOCATE.
11914         (Output_file::map): Call posix_fallocate rather than lseek and
11915         write.
11916         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
11917         * configure, Makefile.in, config.in: Rebuild.
11918
11919 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
11920
11921         * layout.h (Layout::create_note): Add section_name parameter.
11922         * layout.cc (Layout::create_note): Likewise.
11923         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
11924
11925 2009-03-17  Ian Lance Taylor  <iant@google.com>
11926
11927         * descriptors.cc: Include "options.h".
11928         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
11929         (Descriptors::open): Always use O_CLOEXEC when opening a new
11930         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
11931         then set FD_CLOEXEC.
11932
11933         * sparc.cc (class Target_sparc): Add has_got_section.
11934         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
11935         make sure we have a GOT section.
11936
11937         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
11938         (Target_sparc::Scan::local): Likewise.
11939         (Target_sparc::Scan::global): Likewise.
11940         (Target_sparc::Relocate::relocate): Likewise.
11941         (Target_sparc::Relocate::relocate_tls): Likewise.
11942
11943         * symtab.cc (Symbol_table::define_default_version): New function,
11944         broken out of add_from_object.
11945         (Symbol_table::add_from_object): Call define_default_version.
11946         (Symbol_table::define_special_symbol): Add resolve_oldsym
11947         parameter.  Change all callers.  If the version for a symbol comes
11948         from a version script, resolve it with the symbol with the same
11949         name with no version.  Also add the symbol without a version if
11950         appropriate.
11951         (do_define_in_output_data): If resolving with oldsym, don't delete
11952         sym.
11953         (do_define_in_output_segment): Likewise.
11954         (do_define_as_constant): Likewise.
11955         * symtab.h (class Symbol_table): Update declarations.
11956
11957 2009-03-13  Ian Lance Taylor  <iant@google.com>
11958
11959         * readsyms.cc (Read_symbols::incompatible_warning): New function.
11960         (Read_symbols::requeue): New function.
11961         (Read_symbols::do_read_symbols): If make_elf_object fails because
11962         the target type is not configured, and the file was searched for,
11963         issue a warning and retry with the next directory.
11964         (Add_symbols::run): If the file has an incompatible format, and
11965         it was searched for, requeue the Read_symbols task.  On error,
11966         release the object.
11967         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
11968         dirindex parameter to constructor.  Change all callers.  Declare
11969         incompatible_warning and requeue.
11970         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
11971         input_argument_ and input_group_ fields.  Add them to
11972         constructor.  Change all callers.
11973         (class Read_script): Add dirindex_ field.  Add it to constructor.
11974         Change all callers.
11975         * archive.cc (Archive::setup): Remove input_objects parameter.
11976         Change all callers.
11977         (Archive::get_file_and_offset): Likewise.
11978         (Archive::read_all_symbols): Likewise.
11979         (Archive::read_symbols): Likewise.
11980         (Archive::get_elf_object_for_member): Remove input_objects
11981         parameter.  Add punconfigured parameter.  Change all callers.
11982         (Archive::add_symbols): Change return type to bool.  Check return
11983         value of include_member.
11984         (Archive::include_all_members): Likewise.
11985         (Archive::include_member): Change return type to bool.  Return
11986         false if first included object has incompatible target.  Set
11987         included_member_ field.
11988         (Add_archive_symbols::run): If add_symbols returns false, requeue
11989         Read_symbols task.
11990         * archive.h (class Archive): Add included_member_ field.
11991         Initialize it in constructor.  Add input_file and searched_for
11992         methods.  Update declarations.
11993         (class Add_archive_symbols): Add dirpath_, dirindex_, and
11994         input_argument_ fields.  Add them to constructor.  Change all
11995         callers.
11996         * script.cc: Include "target-select.h".
11997         (class Parser_closure): Add skip_on_incompatible_target_ and
11998         found_incompatible_target_ fields.  Add
11999         skip_on_incompatible_target parameter to constructor.  Change all
12000         callers.  Add methods skip_on_incompatible_target,
12001         clear_skip_on_incompatible_target, found_incompatible_target, and
12002         set_found_incompatible_target.
12003         (read_input_script): Add dirindex parameter.  Change all callers.
12004         If parser finds an incompatible target, requeue Read_symbols
12005         task.
12006         (script_set_symbol): Clear skip_on_incompatible_target in
12007         closure.
12008         (script_add_assertion, script_parse_option): Likewise.
12009         (script_start_sections, script_add_phdr): Likewise.
12010         (script_check_output_format): New function.
12011         * script.h (read_input_script): Update declaration.
12012         * script-c.h (script_check_output_format): Declare.
12013         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
12014         (ignore_cmd): Remove OUTPUT_FORMAT.
12015         * fileread.cc (Input_file::Input_file): Add explicit this.
12016         (Input_file::will_search_for): New function.
12017         (Input_file::open): Add pindex parameter.  Change all callers.
12018         * fileread.h (class Input_file): Add input_file_argument method.
12019         Declare will_search_for.  Update declarations.
12020         * object.cc (make_elf_object): Add punconfigured parameter.
12021         Change all callers.
12022         * object.h (class Object): Make input_file public.  Add
12023         searched_for method.
12024         (make_elf_object): Update declaration.
12025         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
12026         restart search.
12027         * dirsearch.h (class Dirsearch): Update declaration.
12028         * options.h (class General_options): Add --warn-search-mismatch.
12029         * parameters.cc (Parameters::is_compatible_target): New function.
12030         * parameters.h (class Parameters): Declare is_compatible_target.
12031         * workqueue.cc (Workqueue::add_blocker): New function.
12032         * workqueue.h (class Workqueue): Declare add_blocker.
12033
12034         * fileread.cc (Input_file::open): Remove options parameter.
12035         Change all callers.
12036         (Input_file::open_binary): Likewise.
12037         * script.cc (read_input_script): Likewise.
12038         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
12039         options parameter from constructor.  Change all callers.
12040         (class Read_script): Likewise.
12041         * fileread.h (class Input_file): Update declarations.
12042         * script.h (read_input_script): Update declaration.
12043
12044 2009-03-10  Nick Clifton  <nickc@redhat.com>
12045
12046         * po/es.po: New Spanish translation.
12047
12048 2009-03-06  Cary Coutant  <ccoutant@google.com>
12049
12050         * options.cc (parse_short_option): Keep dash_z from registering itself.
12051
12052 2009-03-03  Ian Lance Taylor  <iant@google.com>
12053
12054         PR 9918
12055         * target-reloc.h (relocate_section): Pass output_section to
12056         relocate.
12057         * i386.cc (Target_i386::should_apply_static_reloc): Add
12058         output_section parameter.  Change all callers.
12059         (Target_i386::Relocate::relocate): Add output_section parameter.
12060         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
12061         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
12062         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
12063         * testsuite/two_file_shared.sh: New script.
12064         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
12065         (check_DATA): Add two_file_shared.dbg.
12066         (two_file_shared.dbg): New target.
12067         * testsuite/Makefile.in: Rebuild.
12068
12069 2009-03-01  Ian Lance Taylor  <iant@google.com>
12070
12071         * configure.ac: Check for byteswap.h.
12072         * configure: Rebuild.
12073         * config.in: Rebuild.
12074
12075 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
12076
12077         * layout.cc (Layout::find_or_add_kept_section): New function.
12078         (Layout::add_comdat): Removed.
12079         * layout.h (struct Kept_section): Move out of class Layout.
12080         Remove trailing underscores from field names.  Add group_sections
12081         field.  Rename group_ field to is_group.  Change all uses.
12082         (class Layout): Declare find_or_add_kept_section, not add_comdat.
12083         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
12084         comdat_groups_ field.
12085         (Sized_relobj::include_section_group): Use
12086         find_or_add_kept_section and Kept_section::group_sections.
12087         (Sized_relobj::include_linkonce_section): Likewise.
12088         * object.cc (class Sized_relobj): Don't define Comdat_group or
12089         Comdat_group_table.  Remove find_comdat_group and
12090         add_comdat_group.  Remove comdat_groups_ field.
12091         * plugin.cc (include_comdat_group): Use
12092         Layout::find_or_add_kept_section.
12093
12094 2009-02-28  Ian Lance Taylor  <iant@google.com>
12095
12096         * README: --gc-sections and map files are now supported.  Document
12097         some build requirements.
12098
12099         PR 6992
12100         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
12101         relocatable link set the value of the section symbol to zero.
12102         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
12103         relocatable link don't include the section address in the local
12104         symbol value.
12105
12106 2009-02-27  Ian Lance Taylor  <iant@google.com>
12107
12108         PR 6811
12109         * options.h (class Search_directory): Add is_system_directory.
12110         (class General_options): Declare is_in_system_directory.
12111         * options.cc (get_relative_sysroot): Make static.
12112         (get_default_sysroot): Make static.
12113         (General_optoins::is_in_system_directory): New function.
12114         * fileread.cc (Input_file::is_in_system_directory): New function.
12115         * fileread.h (class Input_file): Declare is_in_system_directory.
12116         * object.h (class Object): Add is_in_system_directory.
12117         (class Input_objects): Remove system_library_directory_ field.
12118         * object.cc (Input_objects::add_object): Don't set
12119         system_library_directory_.
12120         (input_objects::found_in_system_library_directory): Remove.
12121         * symtab.cc (Symbol_table::write_globals): Remove input_objects
12122         parameter.  Change all callers.
12123         (Symbol_table::sized_write_globals): Likewise.
12124         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
12125         Call Object::is_in_system_directory.
12126         * symtab.h (class Symbol_table): Update declarations.
12127
12128         PR 5990
12129         * descriptors.h (Open_descriptor): Add is_on_stack field.
12130         * descriptors.cc (Descriptors::open): If the descriptor is on the
12131         top of the stack, remove it.  Initialize is_on_stack field.
12132         (Descriptors::release): Only add pod to stack if it is not on the
12133         stack already.
12134         (Descriptors::close_some_descriptor): Clear stack_next and
12135         is_on_stack fields.
12136
12137         PR 7091
12138         * output.cc (Output_section::find_starting_output_address): Rename
12139         from starting_output_address; add PADDR parameter; change return
12140         type.
12141         * output.h (class Output_section): Declare
12142         find_starting_output_address instead of starting_output_address.
12143         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
12144         section symbol for which we can't find a merge section.
12145
12146         PR 9836
12147         * symtab.cc (Symbol_table::add_from_object): If the visibility is
12148         hidden or internal, force the symbol to be local.
12149         * resolve.cc (Symbol::override_visibility): Define.
12150         (Symbol::override_base): Use override_visibility.
12151         (Symbol_table::resolve): Likewise.
12152         (Symbol::override_base_with_special): Likewise.
12153         (Symbol_table::override_with_special): If the visibility is hidden
12154         or internal, force the symbol to be local.
12155         * symtab.h (class Symbol): Add set_visibility and
12156         override_visibility.
12157         * testsuite/ver_test_1.sh: New file.
12158         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
12159         (check_DATA): Add ver_test_1.syms.
12160         (ver_test_1.syms): New target.
12161         * testsuite/Makefile.in: Rebuild.
12162
12163 2009-02-25  Cary Coutant  <ccoutant@google.com>
12164
12165         * layout.cc (Layout::choose_output_section): Don't rename sections
12166         when using a linker script that has a SECTIONS clause.
12167         * Makefile.in: Regenerate.
12168
12169         * testsuite/Makefile.am (script_test_5.sh): New test case.
12170         * testsuite/Makefile.in: Regenerate.
12171         * testsuite/script_test_5.cc: New file.
12172         * testsuite/script_test_5.sh: New file.
12173         * testsuite/script_test_5.t: New file.
12174
12175 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
12176
12177         * archive.cc (Archive::include_member): Update calls to add_symbols.
12178         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
12179         the Layout argument.
12180         * dynobj.h (do_add_symbols): Add the Layout argument.
12181         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
12182         Layout argument.
12183         * object.h (Object::add_symbols): Add the Layout argument.
12184         (Object::do_add_symbols): Add the Layout argument.
12185         (Sized_relobj::do_add_symbols): Add the Layout argument.
12186         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
12187         Unify the two versions.
12188         (Add_plugin_symbols): Remove.
12189         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
12190         (Sized_pluginobj::do_add_symbols): Unify the two versions.
12191         (Add_plugin_symbols): Remove.
12192         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
12193         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
12194         (Add_symbols::run): Make it work with Pulginobj.
12195
12196 2009-02-06  Ian Lance Taylor  <iant@google.com>
12197
12198         * object.cc (Sized_relobj::do_layout): Make info message start
12199         with lower case letter.
12200
12201 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
12202
12203         * binary.cc: Fix file comment.
12204
12205         * options.h (enum Incremental_disposition): Define.
12206         (class General_options): Add new options: --incremental,
12207         --incremental_changed, --incremental_unchanged,
12208         --incremental_unknown.  Add incremental_disposition_ and
12209         implicit_incremental_ fields.
12210         (General_options::incremental_disposition): New function.
12211         (class Position_dependent_options): Add incremental_disposition
12212         option.
12213         (Position_dependent_options::copy_from_options): Set incremental
12214         dispositions.
12215         * options.cc (General_options::parse_incremental_changed): New
12216         function.
12217         (General_options::parse_incremental_unchanged): New function.
12218         (General_options::parse_incremental_unknown): New function.
12219         (General_options::General_options): Initialize new fields
12220         incremental_disposition_ and implicit_incremental_.
12221         (General_options::finalize): Check for uasge of --incremental-*
12222         without --incremental.
12223
12224 2009-02-06  Chris Demetriou  <cgd@google.com>
12225
12226         * gold.h (gold_undefined_symbol): Change to take only a Symbol
12227         pointer and to report location as the file name associated with
12228         the symbol.
12229         (gold_undefined_symbol_at_location): New function to replace the
12230         old gold_undefined_symbol functionality.
12231         * target-reloc.h (relocate_section): Update to use
12232         gold_undefined_symbol_at_location.
12233         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12234         Call gold_undefined_symbol function rather than gold_error.
12235         * errors.h (Errors::undefined_symbol): Take location as a
12236         string, rather than calculating it from a relocation.
12237         * errors.cc (Errors::fatal): Print "fatal error:" before the
12238         formatted message.
12239         (Errors::error, Errors::error_at_location): Print "error: "
12240         before the formatted message.
12241         (Errors::undefined_symbol): Take location as a string, rather
12242         than calculating it from a relocation.
12243         (gold_undefined_symbol_at_location): New function akin to
12244         old gold_undefined_symbol, calculates location from relocation.
12245         (gold_undefined_symbol): Change to take only a Symbol pointer
12246         and to report location as the file name associated with the symbol.
12247         * testsuite/debug_msg.sh: Update for changed error messages.
12248         * testsuite/undef_symbol.sh: Likewise.
12249
12250 2009-02-04  Duncan Sands  <baldrick@free.fr>
12251
12252         PR 9812
12253         * reduced_debug_output.h
12254         (Output_reduced_debug_abbrev_section::failed): Use format for
12255         gold_warning.
12256         (Output_reduced_debug_info_section::faild): Likewise.
12257
12258 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
12259
12260         * script.cc (Lazy_demangler): New class.
12261         (Version_script_info::get_symbol_version_helper): Demangle a
12262         symbol only once.
12263
12264 2009-01-29  Cary Coutant  <ccoutant@google.com>
12265
12266         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
12267         to __tls_get_addr.
12268         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
12269
12270 2009-01-28  Ian Lance Taylor  <iant@google.com>
12271
12272         * version.cc (version_string): Bump to 1.9.
12273
12274         * gold.h: Include <cstring> and <stdint.h>.
12275         * version.cc: Include <cstdio>.
12276         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
12277         warning.
12278         * reduced_debug_output.cc (insert_into_vector): Rename from
12279         Insert_into_vector; change all callers.  Use Swap_unaligned to
12280         avoid aliasing issue; remove union since it is unnecessary.
12281
12282 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
12283
12284         * Makefile.am (CCFILES): Add gc.cc.
12285         (HFILES): Add gc.h.
12286         * Makefile.in: Regenerate.
12287         * gold.cc (Gc_runner): New class.
12288         (queue_initial_tasks): Call garbage collection related tasks
12289         when corresponding options are invoked.
12290         (queue_middle_gc_tasks): New function.
12291         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
12292         processed early before laying out sections during garbage collection.
12293         * gold.h (queue_middle_gc_tasks): New function.
12294         (is_prefix_of): Move from "layout.cc".
12295         * i386.cc (Target_i386::gc_process_relocs): New function.
12296         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
12297         * main.cc (main): Create object of class "Garbage_collection".
12298         * object.cc (Relobj::copy_symbols_data): New function.
12299         (Relobj::is_section_name_included): New function.
12300         (Sized_relobj::do_layout): Allow this function to be called twice
12301         during garbage collection and defer layout of section during the
12302         first call.
12303         * object.h (Relobj::get_symbols_data): New function.
12304         (Relobj::is_section_name_included): New function.
12305         (Relobj::copy_symbols_data): New function.
12306         (Relobj::set_symbols_data): New function.
12307         (Relobj::get_relocs_data): New function.
12308         (Relobj::set_relocs_data): New function.
12309         (Relobj::is_output_section_offset_invalid): New pure virtual function.
12310         (Relobj::gc_process_relocs): New function.
12311         (Relobj::do_gc_process_relocs): New pure virtual function.
12312         (Relobj::sd_): New data member.
12313         (Sized_relobj::is_output_section_offset_invalid): New function.
12314         (Sized_relobj::do_gc_process_relocs): New function.
12315         * options.h (General_options::gc_sections): Modify to not be a no-op.
12316         (General_options::print_gc_sections): New option.
12317         * plugin.cc (Plugin_finish::run): Remove function call to
12318         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
12319         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
12320         * reloc.cc (Read_relocs::run): Add task to process relocs and
12321         determine unreferenced sections when doing garbage collection.
12322         (Gc_process_relocs): New class.
12323         (Sized_relobj::do_gc_process_relocs): New function.
12324         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
12325         sections that are garbage collected.
12326         * reloc.h (Gc_process_relocs): New class.
12327         * sparc.cc (Target_sparc::gc_process_relocs): New function.
12328         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
12329         symbols whose corresponding sections are garbage collected.
12330         (Symbol_table::Symbol_table): Add new parameter for the garbage
12331         collection object.
12332         (Symbol_table::gc_mark_undef_symbols): New function.
12333         (Symbol_table::gc_mark_symbol_for_shlib): New function.
12334         (Symbol_table::gc_mark_dyn_syms): New function.
12335         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
12336         as garbage.
12337         (Symbol_table::add_from_object): Likewise.
12338         (Symbol_table::add_from_relobj): When building shared objects, do not
12339         treat externally visible symbols as garbage.
12340         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
12341         table information for static and relocatable links.
12342         * symtab.h (Symbol_table::set_gc): New function.
12343         (Symbol_table::gc): New function.
12344         (Symbol_table::gc_mark_undef_symbols): New function.
12345         (Symbol_table::gc_mark_symbol_for_shlib): New function.
12346         (Symbol_table::gc_mark_dyn_syms): New function.
12347         (Symbol_table::gc_): New data member.
12348         * target.h (Sized_target::gc_process_relocs): New pure virtual
12349         function.
12350         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
12351         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
12352
12353 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
12354
12355         * options.h (General_options::gc_sections): Define as a no-op for now.
12356         (General_options::no_keep_memory): Ditto.
12357         (General_options::Bshareable): Define.
12358         * options.cc (General_options::finalize): Honor -Bshareable.
12359
12360 2009-01-20  Andreas Schwab  <schwab@suse.de>
12361
12362         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
12363         read the value in the contents, since we don't use it.  Use the
12364         template endianness when writing.
12365         (Relocate::relocate): Use it for R_PPC_REL16_HA.
12366
12367 2009-01-19  Andreas Schwab  <schwab@suse.de>
12368
12369         * configure.tgt (powerpc64-*): Fix targ_obj.
12370
12371 2009-01-15  Ian Lance Taylor  <iant@google.com>
12372
12373         * object.cc (Sized_relobj::write_local_symbols): Don't write out
12374         local symbols when stripping all symbols.
12375
12376 2009-01-14  Cary Coutant  <ccoutant@google.com>
12377
12378         * output.cc (Output_reloc): Add explicit instantiations.
12379
12380 2009-01-14  Cary Coutant  <ccoutant@google.com>
12381
12382         * archive.cc (Archive::get_elf_object_for_member): Remove call
12383         to File_read::claim_for_plugin.
12384         * descriptors.cc (Descriptors::open): Remove reference to
12385         is_claimed.
12386         (Descriptors::claim_for_plugin): Remove.
12387         * descriptors.h (Descriptors::claim_for_plugin): Remove.
12388         (Descriptors::is_claimed): Remove.
12389         (claim_descriptor_for_plugin): Remove.
12390         * fileread.cc (File_read::claim_for_plugin): Remove.
12391         * fileread.h (File_read::claim_for_plugin): Remove.
12392         (File_read::descriptor): Reopen descriptor if necessary.
12393         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
12394         (Plugin_manager::all_symbols_read): Add task parameter. Change
12395         all callers.
12396         (Plugin_manager::get_input_file): New function.
12397         (Plugin_manager::release_input_file): New function.
12398         (Pluginobj::Pluginobj): Add filesize parameter and initialize
12399         corresponding data member.
12400         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
12401         and pass to base constructor. Change all callers.
12402         (get_input_file, release_input_file): New functions.
12403         (make_sized_plugin_object): Add filesize parameter. Change all callers.
12404         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
12405         (Plugin_manager::all_symbols_read): Add task parameter.
12406         (Plugin_manager::get_input_file): New function.
12407         (Plugin_manager::release_input_file): New function.
12408         (Plugin_manager::task_): New data member.
12409         (Pluginobj::Pluginobj): Add filesize parameter.
12410         (Pluginobj::filename): New function.
12411         (Pluginobj::descriptor): New function.
12412         (Pluginobj::filesize): New function.
12413         (Pluginobj::filesize_): New data member.
12414         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
12415         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
12416         File_read::claim_for_plugin; use Object::unlock to unlock the file.
12417
12418         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
12419         with archive libraries.
12420         * testsuite/Makefile.in: Regenerate.
12421         * testsuite/plugin_test.c (struct sym_info): New type.
12422         (get_input_file, release_input_file): New static variables.
12423         (onload): Capture new transfer vector entries.
12424         (claim_file_hook): Stop reading at end of file according to filesize.
12425         Factor out parsing of readelf output into separate function.
12426         (all_symbols_read_hook): Exercise get_input_file and release_input_file
12427         APIs and get the source file name from the symbol table.  Convert
12428         source file name to corresponding object file name.  Print info
12429         message when adding new input files.
12430         (parse_readelf_line): New function.
12431         * testsuite/plugin_test_1.sh: Add checks for new info messages.
12432         * testsuite/plugin_test_2.sh: Likewise.
12433         * testsuite/plugin_test_3.sh: Likewise.
12434         * testsuite/plugin_test_4.sh: New test case.
12435
12436 2009-01-07  Ian Lance Taylor  <iant@google.com>
12437
12438         * version.cc (version_string): Bump to 1.8.
12439
12440 2008-12-23  Cary Coutant  <ccoutant@google.com>
12441
12442         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
12443         * plugin.cc (Plugin_manager::finish): Rename as
12444         layout_deferred_objects.  Move cleanup to separate function.
12445         (Plugin_manager::cleanup): New function.
12446         (Plugin_finish::run): Call layout_deferred_objects and cleanup
12447         separately.
12448         * plugin.h (Plugin_manager::finish): Rename as
12449         layout_deferred_objects.
12450         (Plugin_manager::cleanup): New function.
12451         (Plugin_manager::cleanup_done): New field.
12452
12453 2008-12-23  Cary Coutant  <ccoutant@google.com>
12454
12455         * plugin.cc (is_visible_from_outside): New function.
12456         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
12457         so we don't return "IR only" status for exported symbols or -r links.
12458
12459         * testsuite/Makefile.am (plugin_test_3): New test case.
12460         * testsuite/Makefile.in: Regenerate.
12461         * testsuite/plugin_test_3.sh: New file.
12462
12463 2008-12-22  Cary Coutant  <ccoutant@google.com>
12464
12465         * object.cc (Sized_relobj::layout_section): New function.
12466         (Sized_relobj::do_layout): Defer layout of input sections until after
12467         plugin has provided replacement files.
12468         (Sized_relobj::do_layout_deferred_sections): New function.
12469         * object.h (Relobj::set_section_offset): Remove virtual keyword.
12470         (Relobj::layout_deferred_sections): New function.
12471         (Relobj::do_layout_deferred_sections): New function.
12472         (Sized_relobj::do_layout_deferred_sections): New function.
12473         (Sized_relobj::layout_section): New function.
12474         (Sized_relobj::Deferred_layout): New structure.
12475         (Sized_relobj::deferred_layout_): New field.
12476         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
12477         Change all callers.  Layout deferred sections.
12478         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
12479         references.
12480         (Plugin_hook::run): Move code from do_plugin_hook inline.
12481         (Plugin_hook::do_plugin_hook): Remove.
12482         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
12483         (Plugin_manager::finish): Renamed, was cleanup.
12484         (Plugin_manager::should_defer_layout): New function.
12485         (Plugin_manager::add_deferred_layout_object): New function.
12486         (Plugin_manager::Deferred_layout_list): New type.
12487         (Plugin_manager::deferred_layout_objects_): New field.
12488         (Plugin_hook::do_plugin_hook): Remove.
12489
12490 2008-12-17  Ian Lance Taylor  <iant@google.com>
12491
12492         * options.h (class General_options): Add --no case for
12493         --export-dynamic.
12494
12495 2008-12-16  Cary Coutant  <ccoutant@google.com>
12496
12497         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
12498         vector.
12499         (Plugin_manager::claim_file): Create plugin object even if
12500         plugin did not call the add_symbols callback.
12501         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
12502         asking for more symbols than were added.
12503         * testsuite/Makefile.am (plugin_test_1): Add test case with
12504         no global symbols.
12505         (empty.syms): New target.
12506         * testsuite/Makefile.in: Regenerate.
12507         * testsuite/plugin_test.c (claim_file_hook): Add new debug
12508         message. Don't call add_symbols if no globals.
12509         (all_symbols_read_hook): Don't provide replacement for empty
12510         claimed file.
12511
12512 2008-12-12  Ian Lance Taylor  <iant@google.com>
12513
12514         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
12515         r_type == 0 for a local symbol with r_sym == 0.
12516         (scan_relocatable_relocs): Pass r_sym to
12517         local_non_section_strategy.
12518         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
12519         r_sym parameter.
12520
12521         * configure.ac: Update test for TLS descriptors: they are
12522         supported as of glibc 2.9.
12523         * configure: Rebuild.
12524
12525 2008-12-11  Ian Lance Taylor  <iant@google.com>
12526
12527         PR 7091
12528         * target-reloc.h (Default_scan_relocatable_relocs): For each
12529         function, map r_type == 0 to RELOC_DISCARD.
12530
12531 2008-12-10  Cary Coutant  <ccoutant@google.com>
12532
12533         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
12534         object to override a kept COMDAT group from a plugin object.
12535
12536 2008-12-09  Ian Lance Taylor  <iant@google.com>
12537
12538         PR 7088
12539         * yyscript.y (file_cmd): Handle INPUT.
12540
12541         * testsuite/initpri1.c: Change all declarations to be full
12542         prototypes by adding void, to avoid compiler warnings.
12543
12544 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
12545
12546         * options.cc (General_options::parse_plugin_opt): New.
12547         (General_options::add_plugin): The argument now is just the filename.
12548         (General_options::add_plugin_option): New.
12549         * options.h (plugin_opt): New.
12550         (add_plugin): Change argument name.
12551         (add_plugin_option): New.
12552         * plugin.cc (Plugin::load): Don't parse the plugin option.
12553         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
12554         (Plugin::add_option): New.
12555         (Plugin::args_): Change type.
12556         (Plugin::filename_): New.
12557         (Plugin_manager::add_plugin_option): New.
12558         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
12559         * testsuite/Makefile.in: Regenerate.
12560
12561 2008-12-05  Cary Coutant  <ccoutant@google.com>
12562
12563         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
12564         Handle --strip-lto-sections option.
12565         * options.h (strip_lto_sections): New option.
12566
12567 2008-12-01  Cary Coutant  <ccoutant@google.com>
12568
12569         * plugin.cc (ld_plugin_message): Change format parameter to const.
12570         Fix mismatch between new[] and delete.
12571
12572 2008-11-14  Cary Coutant  <ccoutant@google.com>
12573
12574         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
12575         instead of -1U.
12576
12577 2008-11-05  Craig Silverstein  <csilvers@google.com>
12578
12579         * options.cc (General_options::parse_dynamic_list): New function.
12580         * options.h (General_options): New flags dynamic_list,
12581         dynamic_list_data, dynamic_list_cpp_new, and
12582         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
12583         (General_options::in_dynamic_list): New function.
12584         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
12585         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
12586         (Lex::can_continue_name): Likewise.
12587         (yylex): Likewise.
12588         (read_script_file): New parameter script_options.
12589         (read_dynamic_list): New function.
12590         (Script_options::define_dynamic_list): New function.
12591         (dynamic_list_keyword_parsecodes): New variable.
12592         (dynamic_list_keywords): New variable.
12593         * script.h (Script_options::define_dynamic_list): New function
12594         prototype.
12595         (read_dynamic_list): New function prototype.
12596         * symtab.cc (strprefix): New macro.
12597         (Symbol::should_add_dynsym_entry): Support dynamic_list,
12598         dynamic_list_data, dynamic_list_cpp_new, and
12599         dynamic_list_cpp_typeinfo.
12600         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
12601         (dynamic_list_expr): New rule.
12602         (dynamic_list_nodes): Likewise.
12603         (dynamic_list_node): Likewise.
12604         * testsuite/Makefile.am (dynamic_list): New test.
12605         * testsuite/Makefile.in: Regenerated.
12606         * testsuite/dynamic_list.t: New file.
12607         * testsuite/dynamic_list.sh: New file.
12608
12609 2008-11-05  Craig Silverstein  <csilvers@google.com>
12610
12611         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
12612         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
12613         (t11_last): Likewise.
12614         * testsuite/ver_test_6.c (main): Likewise.
12615
12616 2008-10-07  Cary Coutant  <ccoutant@google.com>
12617
12618         * options.c (General_options::finalize): Add check for -static and
12619         -shared.
12620         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
12621         is not empty.
12622
12623 2008-10-02  Cary Coutant  <ccoutant@google.com>
12624
12625         * plugin.cc (make_sized_plugin_object): Fix conditional
12626         compilation to work when not all targets are enabled.
12627
12628 2008-09-29  Cary Coutant  <ccoutant@google.com>
12629
12630         * archive.cc (Archive::get_file_and_offset): Use filename instead
12631         of name to get library path.
12632         (Archive::include_member): Unlock external member of a thin archive.
12633
12634         * testsuite/Makefile.am (TEST_AR): New variable.
12635         (thin_archive_test_1): New test.
12636         (thin_archive_test_2): New test.
12637         * testsuite/Makefile.in: Regenerate.
12638         * testsuite/thin_archive_main.cc: New file.
12639         * testsuite/thin_archive_test_1.cc: New file.
12640         * testsuite/thin_archive_test_2.cc: New file.
12641         * testsuite/thin_archive_test_3.cc: New file.
12642         * testsuite/thin_archive_test_4.cc: New file.
12643
12644 2008-09-29  Cary Coutant  <ccoutant@google.com>
12645
12646         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
12647         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
12648         instead of -1U.
12649         (Sized_relobj::do_finalize_local_symbols): Likewise.
12650         (Sized_relobj::map_to_kept_section): Likewise.
12651         * object.h (Sized_relobj::invalid_address): New constant.
12652         (Sized_relobj::do_output_section_offset): Check for invalid_address
12653         and return -1ULL.
12654         * output.cc (Output_reloc::local_section_offset): Use constant
12655         invalid_address instead of -1U.
12656         (Output_reloc::get_address): Likewise.
12657         (Output_section::output_address): Change -1U to -1ULL.
12658         * output.h (Output_reloc::invalid_address): New constant.
12659         * reloc.cc (Sized_relobj::write_sections): Use constant
12660         invalid_address instead of -1U.
12661         (Sized_relobj::relocate_sections): Likewise.
12662         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
12663         values for merge sections.
12664         * target-reloc.h (relocate_for_relocatable): Use constant
12665         invalid_address instead of -1U.
12666
12667 2008-09-19  Cary Coutant  <ccoutant@google.com>
12668
12669         Add plugin functionality for link-time optimization (LTO).
12670         * configure.ac (plugins): Add --enable-plugins option.
12671         * configure: Regenerate.
12672         * config.in: Regenerate.
12673         * Makefile.am (LIBDL): New variable.
12674         (CCFILES): Add plugin.cc.
12675         (HFILES): Add plugin.h.
12676         (ldadd_var): Add LIBDL.
12677         * Makefile.in: Regenerate.
12678
12679         * archive.cc: Include "plugin.h".
12680         (Archive::setup): Don't preread archive symbols when using a plugin.
12681         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
12682         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
12683         files.
12684         (Archive::include_member): Add symbols from plugin objects.
12685         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
12686         * descriptors.cc (Descriptors::open): Check for file descriptors
12687         abandoned by plugins.
12688         (Descriptors::claim_for_plugin): New function.
12689         * descriptors.h (Descriptors::claim_for_plugin): New function.
12690         (Open_descriptor::is_claimed): New field.
12691         (claim_descriptor_for_plugin): New function.
12692         * fileread.cc (File_read::claim_for_plugin): New function.
12693         * fileread.h (File_read::claim_for_plugin): New function.
12694         (File_read::descriptor): New function.
12695         * gold.cc: Include "plugin.h".
12696         (queue_initial_tasks): Add task to call plugin hooks for generating
12697         new object files.
12698         * main.cc: Include "plugin.h".
12699         (main): Load plugin libraries.
12700         * object.h (Pluginobj): Declare.
12701         (Object::pluginobj): New function.
12702         (Object::do_pluginobj): New function.
12703         (Object::set_target): New function.
12704         * options.cc: Include "plugin.h".
12705         (General_options::parse_plugin): New function.
12706         (General_options::General_options): Initialize plugins_ field.
12707         (General_options::add_plugin): New function.
12708         * options.h (Plugin_manager): Declare.
12709         (General_options): Add --plugin option.
12710         (General_options::has_plugins): New function.
12711         (General_options::plugins): New function.
12712         (General_options::add_plugin): New function.
12713         (General_options::plugins_): New field.
12714         * plugin.cc: New file.
12715         * plugin.h: New file.
12716         * readsyms.cc: Include "plugin.h".
12717         (Read_symbols::do_read_symbols): Check for archive before checking
12718         for ELF file.  Call plugin hooks to claim files.
12719         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
12720         from a real object file; force override when processing replacement
12721         files.
12722         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
12723         (Symbol::init_base_object): Likewise.
12724         (Symbol::init_base_output_data): Likewise.
12725         (Symbol::init_base_output_segment): Likewise.
12726         (Symbol::init_base_constant): Likewise.
12727         (Symbol::init_base_undefined): Likewise.
12728         (Symbol::output_section): Assert that object is not a plugin.
12729         (Symbol_table::add_from_pluginobj): New function.
12730         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
12731         undefined.
12732         (Symbol_table::sized_write_globals): Likewise.
12733         (Symbol_table::add_from_pluginobj): Instantiate template.
12734         * symtab.h (Sized_pluginobj): Declare.
12735         (Symbol::in_real_elf): New function.
12736         (Symbol::set_in_real_elf): New function.
12737         (Symbol::in_real_elf_): New field.
12738         (Symbol_table::add_from_pluginobj): New function.
12739
12740         * testsuite/Makefile.am (AM_CFLAGS): New variable.
12741         (LIBDL): New variable.
12742         (LDADD): Add LIBDL.
12743         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
12744         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
12745         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
12746         (MOSTLYCLEANFILES): Likewise.
12747         * testsuite/Makefile.in: Regenerate.
12748         * testsuite/plugin_test.c: New file.
12749         * testsuite/plugin_test_1.sh: New file.
12750         * testsuite/plugin_test_2.sh: New file.
12751
12752 2008-09-16  Ian Lance Taylor  <iant@google.com>
12753
12754         * target-reloc.h (relocate_section): Check whether a symbol is
12755         defined by the ABI before reporting an undefined symbol error.
12756         * target.h (Target::is_defined_by_abi): Make parameter const.
12757         (Target::do_is_defined_by_abi): Likewise.
12758         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
12759         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
12760         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
12761         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
12762         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
12763         * testsuite/Makefile.in: Rebuild.
12764
12765         * fileread.cc (make_view): Add casts to avoid warning.
12766
12767 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12768
12769         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
12770         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12771
12772 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12773
12774         * options.h (General_options::output_is_executable): New.
12775         (General_options::output_is_pie): New.
12776         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
12777         for shared libraries.
12778         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12779
12780 2008-09-11  Chris Demetriou  <cgd@google.com>
12781
12782         * options.h (origin): New -z option.
12783         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
12784         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
12785         in DT_FLAGS_1.
12786
12787 2008-09-05  Cary Coutant  <ccoutant@google.com>
12788
12789         * fileread.cc (File_read::make_view): Add check for attempt to map
12790         beyond end of file.
12791
12792 2008-09-05  Cary Coutant  <ccoutant@google.com>
12793
12794         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
12795         explicit instantiations.
12796
12797 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
12798
12799         PR gold/6858
12800         * options.cc (General_options::finalize): Allow undefined symbols
12801         in shlibs if linking -shared.
12802
12803         PR gold/6859
12804         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
12805         symbols as not needing a dynsym entry.
12806
12807 2008-08-20  Craig Silverstein  <csilvers@google.com>
12808
12809         * fileread.cc (File_read::open): Do not lock the file unless it
12810         was successfully opened.
12811
12812 2008-08-14  Cary Coutant  <ccoutant@google.com>
12813
12814         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
12815         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
12816         * testsuite/tls_test.cc (struct int128): 128-bit struct
12817         for testing TLS relocs with non-zero addend.
12818         (v12): New TLS variable.
12819         (t12): New test.
12820         (t_last): Add check for v12.
12821         * testsuite/tls_test.h (t12): New function.
12822         * testsuite/tls_test_main.cc (thread_routine): Call new test.
12823
12824 2008-08-13  Ian Lance Taylor  <iant@google.com>
12825
12826         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
12827         set tls_segment_ or relro_segment_.
12828         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
12829         when appropriate.
12830         * output.h (Output_section::clear_is_relro): New function.
12831         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
12832         sections specially even when output_data_ is empty.
12833         (Output_segment::maximum_alignment): When first section is relro,
12834         only force alignment for PT_LOAD segments.
12835         * script.cc (script_data_segment_align): New function.
12836         (script_data_segment_relro_end): New function.
12837         * script-c.h (script_data_segment_align): Declare.
12838         (script_data_segment_relro_end): Declare.
12839         * script-sections.h (class Script_sections): Declare
12840         data_segment_align and data_segment_relro_end.  Add fields
12841         segment_align_index_ and saw_relro_end_.
12842         * script-sections.cc (class Sections_element): Add set_is_relro
12843         virtual function.  Add new bool* parameter to place_orphan_here.
12844         Add get_output_section virtual function.
12845         (class Output_section_definition): Add set_is_relro.  Add new
12846         bool* parameter to place_orphan_here.  Add get_output_section.
12847         Add is_relro_ field.
12848         (Output_section_definition::Output_section_definition): Initialize
12849         evaluated_address_, evaluated_load_address, evaluated_addralign_,
12850         and is_relro_ fields.
12851         (Output_section_definition::place_orphan_here): Add is_relro
12852         parameter.
12853         (Output_section_definition::set_section_addresses): Set relro for
12854         output section.
12855         (Output_section_definition::alternate_constraint): Likewise.
12856         (class Orphan_output_section): Add new bool* parameter to
12857         place_orphan_here.  Add get_output_section.
12858         (Orphan_output_section::place_orphan_here): Add is_relro
12859         parameter.
12860         (Script_sections::Script_sections): Initialize
12861         data_segment_align_index_ and saw_relro_end_.
12862         (Script_sections::data_segment_align): New function.
12863         (Script_sections::data_segment_relro_end): New function.
12864         (Script_sections::place_orphan): Set or clear is_relro.
12865         (Script_sections::set_section_addresses): Force alignment of first
12866         TLS section.
12867         * yyscript.y (exp): Call script_data_segment_align and
12868         script_data_segment_relro_end.
12869         * testsuite/relro_script_test.t: New file.
12870         * testsuite/relro_test.cc (using_script): Declare.
12871         (t1, t2): Test using_script.
12872         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
12873         (relro_script_test_SOURCES): Define.
12874         (relro_script_test_DEPENDENCIES): Define.
12875         (relro_script_test_LDFLAGS): Define.
12876         (relro_script_test_LDADD): Define.
12877         (relro_script_test.so): New target.
12878         * testsuite/Makefile.in: Rebuild.
12879
12880 2008-08-06  Cary Coutant <ccoutant@google.com>
12881
12882         * archive.cc (Archive::total_archives, Archive::total_members)
12883         (Archive::total_members_loaded): New variables.
12884         (Archive::setup): Add parameter.  Add option to preread
12885         archive symbols.
12886         (Archive::read_armap): Add counter.
12887         (Archive::get_file_and_offset): New function.
12888         (Archive::get_elf_object_for_member): New function.
12889         (Archive::read_all_symbols): New function.
12890         (Archive::read_symbols): New function.
12891         (Archive::add_symbols): Add counters.
12892         (Archive::include_all_members): Use armap to find members if it's
12893         already built.
12894         (Archive::include_member): Skip reading symbols if already read.
12895         Factored code into Archive::get_file_and_offset and
12896         Archive::get_elf_object_for_member.  Changed call to
12897         Mapfile::report_include_archive_member.
12898         (Archive::print_stats): New function.
12899         * archive.h: Declare Object and Read_symbols_data classes.
12900         (Archive::Archive): Add initializers for new members.
12901         (Archive::setup): Add parameter.
12902         (Archive::print_stats): New function.
12903         (Archive::total_archives, Archive::total_members)
12904         (Archive::total_members_loaded): New variables.
12905         (Archive::get_file_and_offset): New function.
12906         (Archive::get_elf_object_for_member): New function.
12907         (Archive::read_all_symbols): New function.
12908         (Archive::read_symbols): New function.
12909         (Archive::Archive_member): New class.
12910         (Archive::members_): New member.
12911         (Archive::num_members_): New member.
12912         * main.cc: Include archive.h.
12913         (main): Call Archive::print_stats.
12914         * mapfile.cc (Mapfile::report_include_archive_member): Delete
12915         archive parameter; member_name is now the fully-decorated name.
12916         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
12917         * options.h: (General_options): Add --preread-archive-symbols option.
12918         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
12919         Archive::setup.
12920
12921 2008-08-04  Ian Lance Taylor  <iant@google.com>
12922
12923         * symtab.h (Symbol::use_plt_offset): New function.
12924         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
12925         * powerpc.cc (Relocate::relocate): Likewise.
12926         * sparc.cc (Relocate::relocate): Likewise.
12927         * x86_64.cc (Relocate::relocate): Likewise.
12928         * testsuite/weak_plt.sh: New test.
12929         * testsuite/weak_plt_main.cc: New test.
12930         * testsuite/weak_plt_shared.cc: New test.
12931         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
12932         (check_PROGRAMS): Add weak_plt.
12933         (check_DATA): Add weak_plt_shared.so.
12934         (weak_plt_main_pic.o, weak_plt): New targets.
12935         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
12936         * testsuite/Makefile.in: Rebuild.
12937
12938         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
12939         gcctestdir/ld.
12940         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
12941         * testsuite/Makefile.in: Rebuild.
12942
12943 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
12944
12945         * Makefile.am (POTFILES.in): Set LC_ALL=C.
12946         * Makefile.in: Regenerate.
12947         * po/POTFILES.in: Regenerate.
12948
12949 2008-07-29  Ian Lance Taylor  <iant@google.com>
12950
12951         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
12952         symbols before other symbols.
12953         * testsuite/script_test_2.cc (test_addr): Declare.
12954         (test_addr_alias): Declare.
12955         (main): Check that test_addr and test_addr_alias have the right
12956         values.
12957         * testsuite/script_test_2.t: Define test_addr_alias and
12958         test_addr.
12959
12960 2008-07-24  Ian Lance Taylor  <iant@google.com>
12961
12962         PR 5990
12963         * descriptors.cc: New file.
12964         * descriptors.h: New file.
12965         * gold-threads.h (class Hold_optional_lock): New class.
12966         * fileread.cc: Include "descriptors.h".
12967         (File_read::~File_read): Release descriptor rather than closing
12968         it.
12969         (File_read::open) [file]: Call open_descriptor rather than open.
12970         Set is_descriptor_opened_.
12971         (File_read::open) [memory]: Assert that descriptor is not open.
12972         (File_read::reopen_descriptor): New function.
12973         (File_read::release): Release descriptor.
12974         (File_read::do_read): Make non-const.  Reopen descriptor.
12975         (File_read::read): Make non-const.
12976         (File_read::make_view): Reopen descriptor.
12977         (File_read::do_readv): Likewise.
12978         * fileread.h (class File_read): Add is_descriptor_opened_ field.
12979         Update declarations.
12980         * layout.cc: Include "descriptors.h".
12981         (Layout::create_build_id): Use open_descriptor rather than open.
12982         * output.cc: Include "descriptors.h".
12983         (Output_file::open): Use open_descriptor rather than open.
12984         * archive.cc (Archive::const_iterator): Change Archive to be
12985         non-const.
12986         (Archive::begin, Archive::end): Make non-const.
12987         (Archive::count_members): Likewise.
12988         * archive.h (class Archive): Update declarations.
12989         * object.h (Object::read): Make non-const.
12990         * Makefile.am (CCFILES): Add descriptors.cc.
12991         (HFILES): Add descriptors.h.
12992         * Makefile.in: Rebuild.
12993
12994         PR 6716
12995         * gold.h: Always include <clocale>.  Add Solaris workarounds
12996         following code in binutils/sysdep.h.
12997
12998         PR 6048
12999         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
13000         this->eh_frame_hdr_ is NULL before using it.
13001
13002         * dynobj.cc (Versions::Versions): Update comment.
13003
13004         * dynobj.cc (Versions::Versions): If there is an soname, use it as
13005         the base version name.
13006
13007         * stringpool.cc (Stringpool_template::add_with_length): Set key to
13008         array size plus one.
13009         (Stringpool_template::set_string_offsets): Subtract one from key
13010         before using it as an array index.
13011         (Stringpool_template::get_offset_with_length): Likewise.
13012         (Stringpool_template::write_to_buffer): Likewise.
13013         * stringpool.h (Stringpool_template::get_offset_from_key):
13014         Likewise.
13015
13016 2008-07-23  Ian Lance Taylor  <iant@google.com>
13017
13018         PR 6658
13019         * object.h (Merged_symbol_value::value): Do our best to handle a
13020         negative addend.
13021
13022         PR 6647
13023         * script.cc (Version_script_info::get_versions): Don't add empty
13024         version tag to return value.
13025         (Version_script_info::get_symbol_version_helper): Change return
13026         type to bool.  Add pversion parameter.  Change all callers.
13027         (script_register_vers_node): Don't require a non-NULL tag.
13028         * script.h (class Version_script_info): Update declarations.
13029         (Version_script_info::get_symbol_version): Change return type to
13030         bool.  Add version parameter.  Change all callers.
13031         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
13032         handling.  Handle an empty version from a version script.
13033         (Symbol_table::define_special_symbol): Likewise.
13034         * testsuite/ver_test_10.script: New file.
13035         * testsuite/ver_test_10.sh: New file.
13036         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
13037         (check_DATA): Add ver_test_10.syms.
13038         (ver_test_10.syms, ver_test_10.so): New target.
13039         * testsuite/Makefile.in: Rebuild.
13040
13041 2008-07-23  Simon Baldwin  <simonb@google.com>
13042
13043         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
13044         to zero for undefined symbols from dynamic libraries.
13045
13046 2008-07-23  Ian Lance Taylor  <iant@google.com>
13047
13048         * symtab.cc (Symbol_table::resolve): Remove version parameter.
13049         Change all callers.
13050         * symtab.h (class Symbol_table): Update declaration.
13051         * testsuite/ver_test_9.cc: New file.
13052         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
13053         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
13054         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
13055         (ver_test_9.so, ver_test_9.o): New targets.
13056         * testsuite/Makefile.in: Rebuild.
13057
13058 2008-07-22  Ian Lance Taylor  <iant@google.com>
13059
13060         * options.h (class General_options): Define --check-sections.
13061         * layout.cc (Layout::set_segment_offsets): Handle
13062         --check-sections.
13063
13064         * options.h (class General_options): Define -n/--nmagic and
13065         -N/--omagic.
13066         * options.cc (General_options::finalize): For -n/--nmagic or
13067         -N/--omagic, set -static.
13068         * layout.cc (Layout::attach_allocated_section_to_segment): If
13069         -N/--omagic, don't put read-only and read-write sections in
13070         different segments.
13071         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
13072         finding a read-only segment.
13073         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
13074         don't set the minimum segment alignment to the common page size,
13075         and don't set the file offset to the address modulo the page size.
13076         * script-sections.cc (Script_sections::create_segments): If
13077         -n/--omagic, don't put read-only and read-write sections in
13078         different segments.
13079
13080         * cref.cc: New file.
13081         * cref.h: New file.
13082         * options.h (class General_options): Add --print-symbol-counts.
13083         * main.cc (main): Issue defined symbol report if requested.
13084         * archive.cc (Archive::interpret_header): Make into a const member
13085         function.
13086         (Archive::add_symbols): Call Input_objects::archive_start and
13087         archive_stop.
13088         (Archive::const_iterator): Define new class.
13089         (Archive::begin, Archive::end): New functions.
13090         (Archive::include_all_members): Rewrite to use iterator.
13091         (Archive::count_members): New function.
13092         * archive.h (class Archive): Update declarations.
13093         (Archive::filename): New function.
13094         * object.cc: Include "cref.h".
13095         (Sized_relobj::Sized_relobj): Initialize defined_count_.
13096         (Sized_relobj::do_get_global_symbol_counts): New function.
13097         (Input_objects::add_object): Add object to cross-referencer.
13098         (Input_objects::archive_start): New function.
13099         (Input_objects::archive_stop): New function.
13100         (Input_objects::print_symbol_counts): New function.
13101         * object.h: Declare Cref and Archive.
13102         (Object::get_global_symbol_counts): New function.
13103         (Object::do_get_global_symbol_counts): New pure virtual function.
13104         (class Sized_relobj): Add defined_count_ field.  Update
13105         declarations.
13106         (class Input_objects): Add cref_ field.  Update constructor.
13107         Update declarations.
13108         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
13109         defined_count_.
13110         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
13111         symbol counts.
13112         (Sized_dynobj::do_get_global_symbol_counts): New function.
13113         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
13114         defined_count_.  Update declarations.  Define Symbols typedef.
13115         * symtab.cc (Symbol_table::add_from_relobj): Add defined
13116         parameter.  Change all callers.
13117         (Symbol_table::add_from_dynobj): Add sympointers and defined
13118         parameters.  Change all callers.
13119         * symtab.h (class Symbol_table): Update declarations.
13120         * Makefile.am (CCFILES): Add cref.cc.
13121         (HFILES): Add cref.h.
13122         * Makefile.in: Rebuild.
13123
13124 2008-07-22  Simon Baldwin  <simonb@google.com>
13125
13126         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
13127         to zero when writing undefined symbols.
13128
13129 2008-07-22  Ian Lance Taylor  <iant@google.com>
13130
13131         * output.cc (Output_section::add_input_section): Don't try to
13132         merge empty merge sections.
13133
13134 2008-07-21  Craig Silverstein  <csilvers@google.com>
13135
13136         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
13137         Include symbol version in error message.
13138
13139 2008-07-20  Chris Demetriou  <cgd@google.com>
13140
13141         * configure.ac (gold_cv_c_random_seed): New configured variable.
13142         (RANDOM_SEED_CFLAGS): New substituted variable.
13143         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
13144         * configure: Rebuild.
13145         * Makefile.in: Likewise.
13146         * testsuite/Makefile.in: Likewise.
13147
13148 2008-07-18  Ian Lance Taylor  <iant@google.com>
13149
13150         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
13151         where we see NAME/NULL and NAME/VERSION  as separate symbols.
13152         * testsuite/ver_test_main.cc (main): Call t4.
13153         (t4, t4_2a): Define.
13154         * testsuite/ver_test_2.cc (t4_2): Define.
13155         * testsuite/ver_test_2.script: Put t4_2a in VER2.
13156         * testsuite/ver_test_4.cc (t4_2a): Define.
13157         * testsuite/ver_test_4.script: Put t4_2a in VER2.
13158         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
13159
13160 2008-07-17  Ian Lance Taylor  <iant@google.com>
13161
13162         * dynobj.cc (Versions::add_def): If we give an error about a
13163         missing version, go ahead and create the version anyhow.
13164
13165 2008-07-10  Ian Lance Taylor  <iant@google.com>
13166
13167         Handle output sections with more than 0x7fffffff bytes.
13168         * object.h (class Relobj): Change map_to_output_ to
13169         output_sections_, and just keep a section pointer.  Change all
13170         uses.  Move comdat group support to Sized_relobj.
13171         (Relobj::is_section_specially_mapped): Remove.
13172         (Relobj::output_section): Remove poff parameter.  Change all
13173         callers.
13174         (Relobj::output_section_offset): New function.
13175         (Relobj::set_section_offset): Rewrite.
13176         (Relobj::map_to_output): Remove.
13177         (Relobj::output_sections): New function.
13178         (Relobj::do_output_section_offset): New pure virtual function.
13179         (Relobj::do_set_section_offset): Likewise.
13180         (class Sized_relobj): Add section_offsets_ field.  Add comdat
13181         group support from Relobj.  Update declarations.
13182         (Sized_relobj::get_output_section_offset): New function.
13183         (Sized_relobj::do_output_section_offset): New function.
13184         (Sized_relobj::do_set_section_offset): New function.
13185         * object.cc (Relobj::output_section_address): Remove.
13186         (Sized_relobj::Sized_relobj): Initialize new fields.
13187         (Sized_relobj::include_section_group): Cast find_kept_object to
13188         Sized_relobj.
13189         (Sized_relobj::include_linkonce_section): Likewise.
13190         (Sized_relobj::do_layout): Use separate arrays for output section
13191         and output offset.
13192         (Sized_relobj::do_count_local_symbols): Change map_to_output to
13193         output_sections.
13194         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
13195         output_sections and section_offsets.
13196         (Sized_relobj::write_local_symbols): Likewise.
13197         (map_to_kept_section): Compute output address directly.
13198         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
13199         output_sections and section_offsets.
13200         (Sized_relobj::write_sections): Likewise.
13201         (Sized_relobj::relocate_sections): Likewise.
13202         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
13203         * output.h (class Output_reloc): Update declarations.  Change
13204         u2_.relobj to Sized_relobj*.
13205         (class Output_data_reloc): Change add functions to use
13206         Sized_relobj*.
13207         * output.cc (Output_reloc::Output_reloc): Change relobj to
13208         Sized_relobj*.
13209         (Output_reloc::local_section_offset): Change return type to
13210         Elf_Addr.  Use get_output_section_offset.
13211         (Output_reloc::get_address): Likewise.
13212         (Output_section::is_input_address_mapped): Don't call
13213         is_section_specially_mapped.
13214         (Output_section::output_offset): Likewise.
13215         (Output_section::output_address): Likewise.
13216         (Output_section::starting_output_address): Likewise.
13217         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
13218         parameter to Sized_relobj*.
13219         (Copy_relocs::need_copy_reloc): Likewise.
13220         (Copy_relocs::save): Likewise.
13221         * copy-relocs.h (class Copy_relocs): Update declarations.
13222         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
13223         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
13224         * target-reloc.h (relocate_for_relocatable): Change
13225         offset_in_output_section type to Elf_Addr.  Change code that uses
13226         it as well.
13227         * layout.cc (Layout::layout): Always set *off.
13228         * mapfile.cc (Mapfile::print_input_section): Use
13229         output_section_offset.
13230         * i386.cc (Target_i386::copy_reloc): Change object parameter to
13231         Sized_relobj*.
13232         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
13233         * sparc.cc (Target_sparc::copy_reloc): Likewise.
13234         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
13235
13236 2008-07-03  Ian Lance Taylor  <iant@google.com>
13237
13238         * layout.cc (Layout::include_section): Do not discard unrecognized
13239         SHT_STRTAB sections.
13240
13241 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
13242
13243         * script.cc (Lex::can_continue_name): Make '?' allowable in
13244         version-script names.
13245         * testsuite/version_script.map: Change glob pattern to use '?'
13246
13247 2008-06-30  Manish Singh  <yosh@gimp.org>
13248
13249         PR 6585
13250         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
13251         Correct typo.
13252
13253 2008-06-30  Ian Lance Taylor  <iant@google.com>
13254
13255         PR 6660
13256         PR 6682
13257         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
13258         versions]: Don't try to read the value in the contents, since we
13259         don't use it.  Use the template endianness when writing.
13260
13261 2008-06-25  Cary Coutant  <ccoutant@google.com>
13262
13263         * fileread.cc (File_read::make_view): Assert on zero-length view.
13264         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
13265         symbol table when there are no symbols to read.
13266
13267 2008-06-23  Craig Silverstein  <csilvers@google.com>
13268
13269         * version.cc (version_string): Bump to 1.7
13270
13271 2008-06-18  Craig Silverstein  <csilvers@google.com>
13272
13273         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
13274         constant 0xFFFF to type Valtype.
13275         (Powerpc_relocate_functions::rel16_ha): Likewise.
13276
13277 2008-06-17  Ian Lance Taylor  <iant@google.com>
13278
13279         * output.h (Output_section::Input_section): Initialize p2align_ to
13280         zero for Output_section_data constructors.
13281         (Output_section::Input_section::addralign): If not an input
13282         section, return the alignment of the Output_section_data.
13283         * testsuite/copy_test.cc: New file.
13284         * testsuite/copy_test_1.cc: New file.
13285         * testsuite/copy_test_2.cc: New file.
13286         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
13287         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
13288         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
13289         (copy_test_1_pic.o, copy_test_1.so): New targets.
13290         (copy_test_2_pic.o, copy_test_2.so): New targets.
13291         * testsuite/Makefile.in: Rebuild.
13292
13293         * script-sections.cc (Script_sections::place_orphan): Initialize
13294         local variable exact.
13295
13296 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
13297
13298         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
13299
13300 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
13301             David S. Miller  <davem@davemloft.net>
13302
13303         * powerpc.cc: New file.
13304         * Makefile.am (TARGETSOURCES): Add powerpc.cc
13305         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
13306         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
13307         * Makefile.in: Rebuild.
13308
13309 2008-06-09  Ian Lance Taylor  <iant@google.com>
13310
13311         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
13312         <exception>.
13313         (throwing, orig_terminate): New static variables.
13314         (terminate_handler): New static function.
13315         (t2): Set terminate handler.
13316
13317 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
13318
13319         PR 6584
13320         * binary.cc (Binary_to_elf::sized_convert): Fix .data
13321         alignment.
13322
13323 2008-05-30  Cary Coutant  <ccoutant@google.com>
13324
13325         * archive.cc (Archive::include_all_members) Correct to step
13326         over symbol table and extended name table in thin archives.
13327
13328 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
13329
13330         PR 6407
13331         * target-reloc.h (relocate_for_relocatable): Fix new_offset
13332         calculation.
13333
13334 2008-05-28  Caleb Howe  <cshowe@google.com>
13335
13336         * reduced_debug_output.cc: New file.
13337         * reduced_debug_output.h: New file.
13338         * options.h (class General_options): Add --strip-debug-non-line.
13339         * options.cc (General_options::finalize): Add strip_debug_non_line
13340         to the strip heirarchy.
13341         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
13342         fields.
13343         * layout.cc: Include "reduced_debug_output.h".
13344         (Layout::Layout): Initialize new fields.
13345         (line_only_debug_sections): New static array.
13346         (is_lines_only_debug_sections): New static inline function.
13347         (Layout::include_section): Handle --strip-debug-non-line.
13348         (Layout::make_output_section): If --strip-debug-non-line, build
13349         new output sections for .debug_abbrev and .debug_info.
13350         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
13351         gold.  Warn about possible overflow.
13352         (read_signed_LEB_128): Likewise.
13353         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
13354         (read_signed_LEB_128): Declare.
13355         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
13356         (HFILES): Add reduced_debug_output.h.
13357         * Makefile.in: Rebuild.
13358
13359 2008-05-21  Ian Lance Taylor  <iant@google.com>
13360
13361         * mapfile.cc: New file.
13362         * mapfile.h: New file.
13363         * options.h (class General_options): Add -M/--print-map and -Map.
13364         * options.cc (General_options::finalize): Make -M equivalent to
13365         -Map -.
13366         * main.cc: Include <cstdio> and "mapfile.h".
13367         (main): Open mapfile if requested.
13368         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
13369         constructor.  Change caller.
13370         (queue_initial_tasks): Add mapfile parameter.  Change caller.
13371         (queue_middle_tasks): Likewise.
13372         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
13373         declarations.
13374         * archive.cc: Include "mapfile.h".
13375         (Archive::add_symbols): Add mapfile parameter.  Change all
13376         callers.  Pass mapfile, symbol, and reason to include_member.
13377         (Archive::include_all_members): Add mapfile parameter.  Change all
13378         callers.
13379         (Archive::include_member): Add mapfile, sym, and why parameters.
13380         Change all callers.  Report inclusion to map file.
13381         * archive.h: Include "fileread.h".
13382         (class Archive): Update declarations.
13383         (Archive::file): New const method.
13384         (class Add_archive_symbols): Add mapfile_ field.  Update
13385         constructor.  Change all callers.
13386         * readsyms.h (class Read_symbols): Likewise.
13387         (class Finish_group): Likewise.
13388         (class Read_script): Likewise.
13389         * common.cc: Include "mapfile.h".
13390         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
13391         all callers.
13392         (Symbol_table::do_allocate_commons): Likewise.
13393         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
13394         symbol allocation to mapfile.
13395         * common.h (class Allocate_commons_task): Add mapfile_ field.
13396         Update constructor.  Change all callers.
13397         * symtab.h (class Symbol_table): Update declarations.
13398         * layout.cc: Include "mapfile.h".
13399         (Layout_task_runner::run): Print information to mapfile.
13400         (Layout::create_gold_note): Change Output_data_fixed_space to
13401         Output_data_zero_fill.
13402         (Layout::create_build_id): Likewise.
13403         (Layout::print_to_mapfile): New function.
13404         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
13405         constructor.  Change caller.
13406         (class Layout): Declare print_to_mapfile.
13407         * output.cc (Output_section::Input_section::print_to_mapfile): New
13408         function.
13409         (Output_section::add_input_section): If producing a map, always
13410         add to input_sections_ list.
13411         (Output_section::do_print_to_mapfile): New function.
13412         (Output_segment::print_sections_to_mapfile): New function.
13413         (Output_segment::print_section_list_to_mapfile): New function.
13414         * output.h: Include "mapfile.h".
13415         (Output_data::print_to_mapfile): New function.
13416         (Output_data::do_print_to_mapfile): New virtual function.
13417         (Output_segment_headers::do_print_to_mapfile): New function.
13418         (Output_file_header::do_print_to_mapfile): New function.
13419         (Output_data_const::do_print_to_mapfile): New function.
13420         (class Output_data_const_buffer): Add map_name_ field.  Update
13421         constructor.  Change all callers.  Add do_print_to_mapfile
13422         function.
13423         (class Output_data_fixed_space): Likewise.
13424         (class Output_data_space): Likewise.
13425         (class Output_data_zero_fill): New class.
13426         (Output_data_strtab::do_print_to_mapfile): New function.
13427         (Output_data_reloc_base::do_print_to_mapfile): New function.
13428         (Output_relocatable_relocs::do_print_to_mapfile): New function.
13429         (Output_data_group::do_print_to_mapfile): New function.
13430         (Output_data_got::do_print_to_mapfile): New function.
13431         (Output_data_dynamic::do_print_to_mapfile): New function.
13432         (Output_symtab_xindex::do_print_to_mapfile): New function.
13433         (class Output_section): Declare do_print_to_mapflie.  Declare
13434         print_to_mapfile in Input_section.
13435         (class Output_segment): Declare new functions.
13436         * object.h (Sized_relobj::symbol_count): New function.
13437         * script-sections.cc
13438         (Output_section_element_dot_assignment::set_section_addresses):
13439         Change Output_data_fixed_space to Output_data_zero_fill.
13440         (Output_data_expression::do_print_to_mapfile): New function.
13441         * script.cc (read_input_script): Add mapfile parameter.  Change
13442         all callers.
13443         * script.h (read_input_script): Update declaration.
13444         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
13445         (Eh_frame::do_print_to_mapfile): New function.
13446         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
13447         (Output_merge_string::do_print_to_mapfile): New function.
13448         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
13449         function.
13450         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
13451         function.
13452         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
13453         function.
13454         * Makefile.am (CCFILES): Add mapfile.cc.
13455         (HFILES): Add mapfile.h.
13456         * Makefile.in: Rebuild.
13457
13458 2008-05-19  Ian Lance Taylor  <iant@google.com>
13459
13460         * options.h (class General_options): Add -z relro.
13461         * layout.cc (Layout::Layout): Initialize relro_segment_.
13462         (Layout::add_output_section_data): Return the output section.
13463         (Layout::make_output_section): Rcognize relro sections and mark
13464         them appropriately.
13465         (Layout::attach_allocated_section_to_segment): Put relro sections
13466         in a PT_GNU_RELRO segment.
13467         (Layout::create_initial_dynamic_sections): Mark the .dynamic
13468         section as relro.
13469         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
13470         PT_TLS segments.
13471         (Layout::linkonce_mapping): Map d.rel.ro.local to
13472         .data.rel.ro.local.
13473         (Layout::output_section_name): Us .data.rel.ro.local for any
13474         section which begins with that.
13475         * layout.h (class Layout): Update add_output_section_data
13476         declaration.  Add relro_segment_ field.
13477         * output.cc (Output_section::Output_section): Initialize is_relro_
13478         and is_relro_local_ fields.
13479         (Output_segment::add_output_section): Group relro sections.
13480         (Output_segment::is_first_section_relro): New function.
13481         (Output_segment::maximum_alignment): If there is a relro section,
13482         align the segment to the common page size.
13483         (Output_segment::set_section_addresses): Track whether we are
13484         looking at relro sections.  If the last section is a relro
13485         section, align to the common page size.
13486         (Output_segment::set_section_list_addresses): Add in_relro
13487         parameter.  Change all callers.  Align to the page size when
13488         moving from relro to non-relro section.
13489         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
13490         segment.
13491         * output.h (class Output_section): Add is_relro_ and
13492         is_relro_local_ fields.
13493         (Output_section::is_relro): New function.
13494         (Output_section::set_is_relro): New function.
13495         (Output_section::is_relro_local): New function.
13496         (Output_section::set_is_relro_local): New function.
13497         (class Output_segment): Update declarations.
13498         * i386.cc (Target_i386::got_section): Mark .got section as relro.
13499         * sparc.cc (Target_sparc::got_section): Likewise.
13500         * x86_64.cc (Target_x86_64::got_section): Likewise.
13501         * testsuite/relro_test_main.cc: New file.
13502         * testsuite/relro_test.cc: New file.
13503         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
13504         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
13505         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
13506         (relro_test.so, relro_test_pic.o): New targets.
13507         * testsuite/Makefile.in: Rebuild.
13508
13509 2008-05-16  Ian Lance Taylor  <iant@google.com>
13510
13511         * output.cc (Output_segment::add_output_section): Remove front
13512         parameter.
13513         * output.h (class Output_segment): Remove
13514         add_initial_output_section and overloaded add_output_section.
13515         Update declaration of remaining add_output_section.
13516         * layout.cc (Layout::create_interp): Call add_output_section
13517         rather than add_initial_output_section.
13518         (Layout::finish_dynamic_section): Likewise.
13519
13520         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
13521         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
13522         know the dynamic type.
13523         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
13524         field.  Initialize it in constructor.
13525         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
13526         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
13527         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
13528         reloc.
13529
13530         * output.cc (Output_reloc::get_address): Change return type to
13531         Elf_Addr.
13532         * output.h (class Output_reloc): Update get_address declaration.
13533         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
13534         for section addresses.
13535
13536 2008-05-09  Ian Lance Taylor  <iant@google.com>
13537
13538         PR 6493
13539         * gold.cc (gold_nomem): Use return value of write.
13540
13541 2008-05-08  Ian Lance Taylor  <iant@google.com>
13542
13543         * symtab.c (Symbol::init_base_output_data): Add version
13544         parameter.  Change all callers.
13545         (Symbol::init_base_output_segment): Likewise.
13546         (Symbol::init_base_constant): Likewise.
13547         (Symbol::init_base_undefined): Likewise.
13548         (Sized_symbol::init_output_data): Likewise.
13549         (Sized_symbol::init_output_segment): Likewise.
13550         (Sized_symbol::init_constant): Likewise.
13551         (Sized_symbol::init_undefined): Likewise.
13552         (Symbol_table::do_define_in_output_data): If the new symbol has a
13553         version, mark it as the default.
13554         (Symbol_table::do_define_in_output_segment): Likewise.
13555         (Symbol_table::do_define_as_constant): Likewise.
13556         * symtab.h (class Symbol): Update declarations.
13557         (class Sized_symbol): Likewise.
13558         * resolve.cc (Symbol::override_version): New function.
13559         (Symbol::override_base): Call override_version.
13560         (Symbol::override_base_with_special): Likewise.
13561         * testsuite/ver_script_8.script: New file.
13562         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
13563         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
13564         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
13565         (ver_test_8_1.so, ver_test_8_2.so): New targets.
13566
13567 2008-05-06  Ian Lance Taylor  <iant@google.com>
13568
13569         PR 6049
13570         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
13571         functions.
13572         (class General_options): Remove existing --undefined, and add
13573         --no-undefined instead.  Add new --undefined as synonym for -u.
13574         * archive.cc (Archive::add_symbols): Check whether symbol was
13575         named with -u.
13576         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
13577         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
13578         all uses.  Add IS_UNDEFINED.  Update declarations to split
13579         different versions of init_base.  Declare init_base_undefined.
13580         (Symbol::is_defined): Handle IS_UNDEFINED.
13581         (Symbol::is_undefined): Likewise.
13582         (Symbol::is_weak_undefined): Call is_undefined.
13583         (Symbol::is_absolute): Handle IS_CONSTANT.
13584         (class Sized_symbol): Update declarations to split different
13585         versions of init.  Declare init_undefined.
13586         (class Symbol_table): Declare new functions.
13587         * symtab.cc (Symbol::init_base_object): Rename from init_base.
13588         Change all callers.
13589         (Symbol::init_base_output_data): Likewise.
13590         (Symbol::init_base_output_segment): Likewise.
13591         (Symbol::init_base_constant): Likewise.
13592         (Symbol::init_base_undefined): New function.
13593         (Sized_symbol::init_object): Rename from init.  Change all
13594         callers.
13595         (Sized_symbol::init_output_data): Likewise.
13596         (Sized_symbol::init_output_segment): Likewise.
13597         (Sized_symbol::init_constant): Likewise.
13598         (Sized_symbol::init_undefined): New function.
13599         (Symbol_table::add_undefined_symbols_from_command_line): New
13600         function.
13601         (Symbol_table::do_add_undefined_symbols_from_command_line): New
13602         function.
13603         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
13604         (Symbol::output_section): Likewise.
13605         (Symbol::set_output_section): Likewise.
13606         (Symbol_table::sized_finalize_symbol): Likewise.
13607         (Symbol_table::sized_write_globals): Likewise.
13608         * resolve.cc (Symbol_table::should_override): Likewise.
13609         (Symbol::override_base_with_special): Likewise.
13610
13611         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
13612         symbol, change it to have default visibility.
13613         * testsuite/protected_1.cc: New file.
13614         * testsuite/protected_2.cc: New file.
13615         * testsuite/protected_3.cc: New file.
13616         * testsuite/protected_main_1.cc: New file.
13617         * testsuite/protected_main_2.cc: New file.
13618         * testsuite/protected_main_3.cc: New file.
13619         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
13620         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
13621         (protected_1_LDFLAGS, protected_1_LDADD): Define.
13622         (protected_1.so): New target.
13623         (protected_1_pic.o, protected_2_pic.o): New targets.
13624         (protected_3_pic.o): New target.
13625         (check_PROGRAMS): Add protected_2.
13626         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
13627         (protected_2_LDFLAGS, protected_2_LDADD): Define.
13628         * testsuite/Makefile.in: Rebuild.
13629
13630         * options.h (DEFINE_var): Add set_user_set_##varname__.
13631         (DEFINE_bool_alias): New macro.
13632         (class General_options): Define -Bstatic using DEFINE_bool_alias
13633         rather than DEFINE_special.  Add --undefined as an alias for -z
13634         defs.
13635         * options.cc (General_options::parse_Bstatic): Remove.
13636
13637         * options.h (class General_options): Add --fatal-warnings.
13638         * main.cc (main): Implement --fatal-warnings.
13639         * errors.h (Errors::warning_count): New function.
13640
13641         * options.h (class General_options): Add -Bsymbolic-functions.
13642         * symtab.h (Symbol::is_preemptible): Check for
13643         -Bsymbolic-functions.
13644
13645 2008-05-05  Ian Lance Taylor  <iant@google.com>
13646
13647         * options.h (DEFINE_bool): For DASH_Z, create the negative option
13648         as noVARNAME rather than no-VARNAME.
13649         (class General_options): Add option -z combreloc.
13650         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
13651         get_address.
13652         (Output_reloc::sort_before) [SHT_REL]: New function.
13653         (Output_reloc::sort_before) [SHT_RELA]: New function.
13654         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
13655         Sort_relocs_comparison.
13656         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
13657         parameter.  Change all callers.
13658         (Output_data_reloc::Output_data_reloc) [both versions]: Add
13659         sort_relocs parameter.  Change all callers.
13660         * output.cc (Output_reloc::get_address): New function, broken out
13661         of write_rel.
13662         (Output_reloc::write_rel): Call it.
13663         (Output_reloc::compare): New function.
13664         (Output_data_reloc_base::do_write): Optionally sort relocs.
13665
13666         * configure.ac: If targ_extra_obj is set, link it in.
13667         * configure.tgt: Initialize all variables.
13668         (x86_64*): Set targ_extra_obj and targ_extra_size.
13669         * configure: Rebuild.
13670
13671         * object.cc (Sized_relobj::include_section_group): Adjust section
13672         indexes read from group data.  Build vector to pass to
13673         layout_group.
13674         * layout.cc (Layout::layout_group): Add flags and shndxes
13675         parameters.  Remove contents parameter.  Change caller.  Update
13676         explicit instantiations.
13677         * layout.h (class Layout): Update layout_group declaration.
13678         * output.cc (Output_data_group::Output_data_group): Add flags and
13679         input_shndxes parameters.  Remove contents parameter.  Change
13680         caller.
13681         (Output_data_group::do_write): Change input_sections_ to
13682         input_shndxes_.
13683         * output.h (class Output_data_group): Update constructor
13684         declaration.  Rename input_sections_ to input_shndxes_.
13685         * testsuite/many_sections_test.cc: Add template.
13686
13687 2008-04-30  Cary Coutant  <ccoutant@google.com>
13688
13689         * target-reloc.h (relocate_section): Fix dead-pointer bug.
13690
13691         * layout.cc (Layout::include_section): Refactored check for debug
13692         info section.
13693         (Layout::add_comdat): Add new parameters.  Change type
13694         of signature parameter.  Add object and shndx to signatures table.
13695         (Layout::find_kept_object): New function.
13696         * layout.h: Include <cstring>.
13697         (Layout::is_debug_info_section): New function.
13698         (Layout::add_comdat): Add new parameters.
13699         (Layout::find_kept_object): New function.
13700         (Layout::Kept_section): New struct.
13701         (Layout::Signatures): Change type of map range.
13702         * object.cc (Relobj::output_section_address): New function.
13703         (Sized_relobj::include_section_group): Add new parameters.  Change
13704         calls to Layout::add_comdat.  Change to build table of kept comdat
13705         groups and table mapping discarded sections to kept sections.
13706         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
13707         (Sized_relobj::do_layout): Change calls to include_section_group and
13708         include_linkonce_section.
13709         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
13710         value to zero when section is discarded.
13711         (Sized_relobj::map_to_kept_section): New function.
13712         * object.h (Relobj::output_section_address): New function.
13713         (Relobj::Comdat_group): New type.
13714         (Relobj::find_comdat_group): New function.
13715         (Relobj::Comdat_group_table): New type.
13716         (Relobj::Kept_comdat_section): New type.
13717         (Relobj::Kept_comdat_section_table): New type.
13718         (Relobj::add_comdat_group): New function.
13719         (Relobj::set_kept_comdat_section): New function.
13720         (Relobj::get_kept_comdat_section): New function.
13721         (Relobj::comdat_groups_): New field.
13722         (Relobj::kept_comdat_sections_): New field.
13723         (Symbol_value::input_value): Update comment.
13724         (Sized_relobj::map_to_kept_section) New function.
13725         (Sized_relobj::include_linkonce_section): Add new parameter.
13726         * target-reloc.h (Comdat_behavior): New type.
13727         (get_comdat_behavior): New function.
13728         (relocate_section): Add code to map a discarded section to the
13729         corresponding kept section when applying a relocation.
13730
13731 2008-04-30  Craig Silverstein  <csilvers@google.com>
13732
13733         * dwarf_reader.cc (next_generation_count): New static var.
13734         (Addr2line_cache_entry): New struct.
13735         (addr2line_cache): New static var.
13736         (Dwarf_line_info::one_addr2line): Added caching.
13737         (Dwarf_line_info::clear_addr2line_cache): New function.
13738         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
13739         cache-size parameter.
13740         (Dwarf_line_info::one_addr2line_cache): New function.
13741         * symtab.cc (Symbol_table::detect_odr_violations): Pass
13742         new cache-size argument to one_addr2line(), and clear cache.
13743
13744 2008-04-28  Cary Coutant  <ccoutant@google.com>
13745
13746         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
13747         R_386_PC8 relocations.
13748
13749 2008-04-23  Ian Lance Taylor  <iant@google.com>
13750
13751         * object.cc (Sized_relobj::include_section_group): Check for
13752         invalid section group.
13753
13754         * object.cc (make_elf_object): Correct test for 64-bit ELF file
13755         header size.
13756
13757         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
13758         than read for file header.
13759         * archive.cc (Archive::include_member): Likewise.
13760
13761 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13762
13763         * aclocal.m4: Regenerate.
13764         * configure: Regenerate.
13765
13766 2008-04-19  Ian Lance Taylor  <iant@google.com>
13767
13768         * version.cc (version_string): Bump to 1.6.
13769
13770         * testsuite/Makefile.am (many_sections_r_test): New target.
13771         (many_sections_r_test_SOURCES): Remove.
13772         (many_sections_r_test_DEPENDENCIES): Remove.
13773         (many_sections_r_test_LDFLAGS): Remove.
13774         (many_sections_r_test_LDADD): Remove.
13775
13776         * object.cc (Sized_relobj::do_add_symbols): Always pass
13777         local_symbol_count_ to add_from_relobj.
13778
13779         * testsuite/Makefile.am (many_sections_check.h): Only check one in
13780         every thousand variables.
13781         * testsuite/Makefile.in: Rebuild.
13782
13783         * object.cc (Xindex::initialize_symtab_xindex): New function.
13784         (Xindex::read_symtab_xindex): New function.
13785         (Xindex::sym_xindex_to_shndx): New function.
13786         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
13787         available.
13788         (Sized_relobj::do_initialize_xindex): New function.
13789         (Sized_relobj::do_read_symbols): Adjust section links.
13790         (Sized_relobj::symbol_section_and_value): Add is_ordinary
13791         parameter.  Change all callers.
13792         (Sized_relobj::include_section_group): Adjust section links and
13793         symbol section indexes.
13794         (Sized_relobj::do_layout): Adjust section links.
13795         (Sized_relobj::do_count_local_symbols): Adjust section links and
13796         symbol section indexes.
13797         (Sized_relobj::do_finalize_local_symbols): Distinguish between
13798         ordinary and special symbols.
13799         (Sized_relobj::write_local_symbols): Add symtab_xindex and
13800         dynsym_xindex parameters.  Change all callers.  Adjust section
13801         links.  Use SHN_XINDEX when needed.
13802         (Sized_relobj::get_symbol_location_info): Adjust section links.
13803         Don't get fooled by special symbols.
13804         * object.h (class Xindex): Define.
13805         (class Object): Add xindex_ parameter.  Declare virtual functoin
13806         do_initialize_xindex.
13807         (Object::adjust_sym_shndx): New function.
13808         (Object::set_xindex): New protected function.
13809         (class Symbol_value): Add is_ordinary_shndx_ field.
13810         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
13811         (Symbol_value::value): Assert ordinary section.
13812         (Symbol_value::initialize_input_to_output_map): Likewise.
13813         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
13814         Change all callers.
13815         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
13816         all callers.
13817         (class Sized_relobj): Update declarations.
13818         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
13819         parameter.  Change all callers.
13820         (Sized_relobj::adjust_shndx): New function.
13821         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
13822         field.
13823         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
13824         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
13825         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
13826         (Sized_dynobj::read_dynsym_section): Adjust section links.
13827         (Sized_dynobj::read_dynamic): Likewise.
13828         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
13829         section links.
13830         (Sized_dynobj::do_initialize_xindex): New function.
13831         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
13832         do_initialize_xindex.
13833         (Sized_dynobj::adjust_shndx): New function.
13834         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
13835         dynsym_xindex_ fields.
13836         (Layout::finalize): Add a call to set_section_indexes before
13837         creating the symtab sections.
13838         (Layout::set_section_indexes): Don't do anything if the section
13839         already has a section index.
13840         (Layout::create_symtab_sections): Add shnum parameter.  Change
13841         caller.  Create .symtab_shndx section if needed.
13842         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
13843         caller.
13844         (Layout::allocated_output_section_count): New function.
13845         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
13846         needed.
13847         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
13848         fields.  Update declarations.
13849         (Layout::symtab_xindex): New function.
13850         (Layout::dynsym_xindex): New function.
13851         (class Write_symbols_task): Add layout_ field.
13852         (Write_symbols_task::Write_symbols_task): Add layout parameter.
13853         Change caller.
13854         * output.cc (Output_section_headers::Output_section_headers): Add
13855         shstrtab_section parameter.  Change all callers.
13856         (Output_section_headers::do_sized_write): Store overflow values
13857         for section count and section string table section index in
13858         section header zero.
13859         (Output_file_header::do_sized_write): Check for overflow of
13860         section count and section string table section index.
13861         (Output_symtab_xindex::do_write): New function.
13862         (Output_symtab_xindex::endian_do_write): New function.
13863         * output.h (class Output_section_headers): Add shstrtab_section_.
13864         Update declarations.
13865         (class Output_symtab_xindex): Define.
13866         (Output_section::has_out_shndx): New function.
13867         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
13868         field.
13869         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
13870         Change all callers.
13871         (Sized_symbol::init): Likewise.
13872         (Symbol::output_section): Check for ordinary symbol.
13873         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
13874         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
13875         callers.
13876         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
13877         Change all callers.  Simplify handling of symbols from sections
13878         not included in the link.
13879         (Symbol_table::add_from_dynobj): Handle ordinary symbol
13880         distinction.
13881         (Weak_alias_sorter::operator()): Assert that symbols are
13882         ordinary.
13883         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
13884         distinction.
13885         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
13886         parameters.  Change all callers.
13887         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
13888         symbol distinction.  Use SHN_XINDEX when needed.
13889         (Symbol_table::write_section_symbol): Add symtab_xindex
13890         parameter.  Change all callers.
13891         (Symbol_table::sized_write_section_symbol): Likewise.  Use
13892         SHN_XINDEX when needed.
13893         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
13894         declarations.
13895         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
13896         (Symbol::is_defined): Check is_ordinary.
13897         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
13898         (Symbol::is_absolute, Symbol::is_common): Likewise.
13899         (class Sized_symbol): Update declarations.
13900         (class Symbol_table): Update declarations.
13901         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
13902         parameters.  Change all callers.
13903         (Sized_symbol::override): Likewise.
13904         (Symbol_table::override): Likewise.
13905         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
13906         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
13907         is_ordinary, and orig_st_shndx parameters.  Change all callers.
13908         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
13909         to be in an ordinary section.
13910         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
13911         object and is_ordinary parameters.  Change all callers.
13912         (Sized_dwarf_line_info::read_relocs): Add object parameter.
13913         Change all callers.  Don't add undefined or non-ordinary symbols
13914         to reloc_map_.
13915         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
13916         Change all callers.
13917         * dwarf_reader.h (class Sized_dwarf_line_info): Update
13918         declarations.
13919         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
13920         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
13921         (Sized_relobj::relocate_sections): Likewise.
13922         * target-reloc.h (scan_relocs): Adjust section symbol index.
13923         (scan_relocatable_relocs): Likewise.
13924         * i386.cc (Scan::local): Check for ordinary symbols.
13925         * sparc.cc (Scan::local): Likewise.
13926         * x86_64.cc (Scan::local): Likewise.
13927         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
13928         to symbol_section_and_value.
13929         * testsuite/many_sections_test.cc: New file.
13930         * testsuite/Makefile.am (BUILT_SOURCES): Define.
13931         (check_PROGRAMS): Add many_sections_test.
13932         (many_sections_test_SOURCES): Define.
13933         (many_sections_test_DEPENDENCIES): Define.
13934         (many_sections_test_LDFLAGS): Define.
13935         (BUILT_SOURCES): Add many_sections_define.h.
13936         (many_sections_define.h): New target.
13937         (BUILT_SOURCES): Add many_sections_check.h.
13938         (many_sections_check.h): New target.
13939         (check_PROGRAMS): Add many_sections_r_test.
13940         (many_sections_r_test_SOURCES): Define.
13941         (many_sections_r_test_DEPENDENCIES): Define.
13942         (many_sections_r_test_LDFLAGS): Define.
13943         (many_sections_r_test_LDADD): Define.
13944         (many_sections_r_test.o): New target.
13945         * testsuite/Makefile.in: Rebuild.
13946
13947 2008-04-17  Cary Coutant  <ccoutant@google.com>
13948
13949         * errors.cc (Errors::info): New function.
13950         (gold_info): New function.
13951         * errors.h (Errors::info): New function.
13952         * gold.h (gold_info): New function.
13953         * object.cc (Input_objects::add_object): Print trace output.
13954         * options.cc (options::parse_set): New function.
13955         (General_options::parse_wrap): Deleted.
13956         (General_options::General_options): Deleted initializer.
13957         * options.h (options::String_set): New typedef.
13958         (options::parse_set): New function.
13959         (DEFINE_set): New macro.
13960         (General_options::wrap): Changed to use DEFINE_set. Changed
13961         callers of any_wrap_symbols and is_wrap_symbol.
13962         (General_options::trace, General_options::trace_symbol):
13963         New options.
13964         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
13965         (General_options::wrap_symbols_): Deleted.
13966         * symtab.cc (Symbol_table::add_from_object): Print trace output.
13967
13968 2008-04-17  David S. Miller  <davem@davemloft.net>
13969
13970         * options.cc (General_options::parse_V): New function.
13971         * options.h: Add entries for -V and -Qy.
13972
13973 2008-04-17  Ian Lance Taylor  <iant@google.com>
13974
13975         * common.cc (Symbol_table::allocate_commons): Remove options
13976         parameter.  Change caller.
13977         (Symbol_table::do_allocate_commons): Remove options parameter.
13978         Change caller.  Just call do_allocate_commons_list twice.
13979         (Symbol_table::do_allocate_commons_list): New function, broken out
13980         of do_allocate_commons.
13981         * common.h (class Allocate_commons_task): Remove options_ field.
13982         Update constructor.
13983         * symtab.cc (Symbol_table::Symbol_table): Initialize
13984         tls_commons_.
13985         (Symbol_table::add_from_object): Put TLS common symbols on
13986         tls_commons_ list.
13987         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
13988         which are IN_OUTPUT_DATA.
13989         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
13990         allocate_commons and do_allocate_commons declarations.  Declare
13991         do_allocate_commons_list.
13992         * gold.cc (queue_middle_tasks): Update creation of
13993         Allocate_commons_task to not pass options.
13994         * testsuite/Makefile.am (INCLUDES): Add -I.. .
13995         (TLS_TEST_C_FLAGS): New variable.
13996         (tls_test_c_pic.o): New target.
13997         (tls_test_shared.so): Link in tls_test_c_pic.o.
13998         (tls_test_c_pic_ie.o): New target.
13999         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
14000         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
14001         (tls_test_c.o): New target.
14002         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
14003         (tls_pic_test_LDADD): Likewise.
14004         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
14005         (tls_shared_gd_to_ie_test_LDADD): Likewise.
14006         (tls_test_c_gnu2.o): New target.
14007         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
14008         tls_test_c_gnu2.o.
14009         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
14010         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
14011         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
14012         * testsuite/tls_test.cc: Include "config.h".
14013         (t_last): Call t11_last.
14014         * testsuite/tls_test.h (t11, t11_last): Declare.
14015         * testsuite/tls_test_c.c: New file.
14016         * testsuite/tls_test_main.cc (thread_routine): Call t11.
14017         * configure.ac: Check for OpenMP support.
14018         * configure, config.in, Makefile.in: Rebuild.
14019         * testsuite/Makefile.in: Rebuild.
14020
14021 2008-04-16  Cary Coutant  <ccoutant@google.com>
14022
14023         * i386.cc (Target_i386::define_tls_base_symbol): New function.
14024         (Target_i386::tls_base_symbol_defined_): New field.
14025         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
14026         (Target_i386::Scan::global): Likewise.
14027         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
14028         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
14029         (Target_x86_64::tls_base_symbol_defined_): New field.
14030         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
14031         (Target_x86_64::Scan::global): Likewise.
14032
14033 2008-04-16  Cary Coutant  <ccoutant@google.com>
14034
14035         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
14036         (Symbol::needs_plt_entry): Allow weak undefined symbols.
14037         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
14038         building shared libraries.
14039         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
14040         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
14041         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
14042         * testsuite/Makefile.in: Rebuild.
14043         * testsuite/weak_undef.h: New file.
14044         * testsuite/weak_undef_file1.cc: Add extra test cases.
14045         * testsuite/weak_undef_file2.cc: Likewise.
14046         * testsuite/weak_undef_test.cc: Likewise.
14047
14048 2008-04-16  David S. Miller  <davem@davemloft.net>
14049
14050         * sparc.cc (Target_sparc::Scan): Change from struct to class.
14051         Add issued_non_pic_error_ field.  Declare check_non_pic.
14052         (Target_sparc::Scan::check_non_pic): New function.
14053         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
14054         (Target_sparc::Scan::global): Likewise.
14055
14056         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
14057         * configure: Rebuild.
14058
14059         * options.h (DEFINE_enable): New macro.
14060         (new_dtags): New enable option.
14061         (initfirst, interpose, loadfltr, nodefaultlib,
14062         nodelete, nodlopen, nodump): New -z options.
14063         * layout.cc (Layout:finish_dynamic_section): If new
14064         dtags enabled, emit DT_RUNPATH.  Also, emit a
14065         DT_FLAGS_1 containing any specified -z flags.
14066
14067 2008-04-16  Ian Lance Taylor  <iant@google.com>
14068
14069         * copy-relocs.cc: New file.
14070         * copy-relocs.h: New file.
14071         * reloc.cc: Remove Copy_relocs code.
14072         * reloc.h: Likewise.
14073         * reloc-types.h (struct Reloc_types) [both versions]: Add
14074         get_reloc_addend_noerror.
14075         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
14076         variants of add_global which take an addend which must be zero.
14077         * i386.cc: Include "copy-relocs.h".
14078         (class Target_i386): Change type of copy_relocs_ to variable,
14079         update initializer.
14080         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
14081         Change all callers.
14082         (Target_i386::do_finalize_sections): Change handling of
14083         copy_relocs_.
14084         * sparc.cc: Include "copy-relocs.h".
14085         (class Target_sparc): Change type of copy_relocs_ to variable,
14086         update initializer.
14087         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
14088         Change all callers.
14089         (Target_sparc::do_finalize_sections): Change handling of
14090         copy_relocs_.
14091         * x86_64.cc: Include "copy-relocs.h".
14092         (class Target_x86_64): Change type of copy_relocs_ to variable,
14093         update initializer.
14094         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
14095         class.  Change all callers.
14096         (Target_x86_64::do_finalize_sections): Change handling of
14097         copy_relocs_.
14098         * Makefile.am (CCFILES): Add copy-relocs.cc.
14099         (HFILES): Add copy-relocs.h.
14100
14101         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
14102
14103         * testsuite/script_test_4.sh: Permit leading zeroes.
14104
14105 2008-04-15  Ian Lance Taylor  <iant@google.com>
14106
14107         * script-sections.cc (Script_sections::create_segments): Use
14108         header_size_adjustment even when there is enough room for the
14109         headers.
14110         * testsuite/script_test_4.sh: New file.
14111         * testsuite/script_test_4.t: New file.
14112         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
14113         (check_DATA): Add script_test_4.stdout.
14114         (MOSTLYCLEANFILES): Likewise.
14115         (script_test_4): New target.
14116         (script_test_4.stdout): New target.
14117         * testsuite/Makefile.in: Rebuild.
14118
14119         * sparc.cc: Add definitions for Output_data_plt_sparc class
14120         constants.
14121
14122 2008-04-14  David S. Miller  <davem@davemloft.net>
14123
14124         * sparc.cc: New file.
14125         * Makefile.am (TARGETSOURCES): Add sparc.cc
14126         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
14127         * configure.tgt: Document targ_extra_size and
14128         targ_extra_big_endian.  Add entries for sparc-* and
14129         sparc64-*.
14130         * configure.ac: Handle targ_extra_size and
14131         targ_extra_big_endian.
14132         * Makefile.in: Rebuild.
14133         * configure: Likewise.
14134         * po/POTFILES.in: Likewise.
14135         * po/gold.pot: Likewise.
14136
14137 2008-04-14  Ian Lance Taylor  <iant@google.com>
14138
14139         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
14140         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
14141         in the name/type/flags to section mapping.  Don't call
14142         allocate_output_section.
14143         (Layout::choose_output_section): Change parameter from adjust_name
14144         to is_input_section.  Don't permit input sections after sections
14145         are attached to segments.  Don't call allocate_output_section.
14146         (Layout::layout_eh_frame): Call update_flags_for_input_section,
14147         not write_enable_output_section.
14148         (Layout::make_output_section): Don't push to
14149         unattached_section_list_ nor call attach_to_segment.  Call
14150         attach_section_to_segment if sections are attached.
14151         (Layout::attach_sections_to_segments): New function.
14152         (Layout::attach_section_to_segment): New function.
14153         (Layout::attach_allocated_section_to_segment): Rename from
14154         attach_to_segment.  Remove flags parameter.
14155         (Layout::allocate_output_section): Remove function.
14156         (Layout::write_enable_output_section): Remove function.
14157         * layout.h (class Layout): Update for above changes.  Add new
14158         field sections_are_attached_.
14159         * output.h (Output_section::update_flags_for_input_section): New
14160         function.
14161         * output.cc (Output_section::add_input_section): Call
14162         update_flags_for_input_section.
14163         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
14164
14165 2008-04-11  Cary Coutant  <ccoutant@google.com>
14166
14167         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
14168         thought unnecessary.
14169         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
14170
14171 2008-04-11  Ian Lance Taylor  <iant@google.com>
14172
14173         * output.h (class Output_section_data): Remove inline definition
14174         of set_addralign.
14175         * output.cc (Output_section_data::set_addralign): New function.
14176
14177 2008-04-11  Cary Coutant  <ccoutant@google.com>
14178
14179         Add support for TLS descriptors for i386 and x86_64.
14180         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
14181         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
14182         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
14183         GOT_TYPE_TLS_DESC.
14184         (Target_i386::got_mod_index_entry): Remove unnecessary code.
14185         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
14186         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
14187         relocations.
14188         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
14189         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
14190         Fix problem with initial-exec relocations.
14191         (Target_i386::Relocate::relocate_tls): Likewise.
14192         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
14193         relaxation.
14194         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
14195         support for section-plus-offset dynamic table entries.
14196         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
14197         (Output_data_dynamic::Dynamic_entry): Add support for
14198         section-plus-offset dynamic table entries.
14199         (Output_data_dynamic::Classification): Likewise.
14200         (Output_data_dynamic::classification_): Renamed offset_.
14201         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
14202         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
14203         (Target_x86_64::make_plt_section): New function.
14204         (Target_x86_64::reserve_tlsdesc_entries): New function.
14205         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
14206         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
14207         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
14208         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
14209         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
14210         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
14211         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
14212         add extra PLT entry for TLS descriptors.
14213         (Output_data_plt_x86_64::got_): New field.
14214         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
14215         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
14216         fields.
14217         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
14218         descriptors.
14219         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
14220         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
14221         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
14222         R_386_TLS_DESC_CALL relocations.
14223         (Target_x86_64::Scan::global): Likewise.
14224         (Target_x86_64::do_finalize_sections): Add dynamic table entries
14225         for TLS descriptors.
14226         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
14227         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
14228         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
14229         GD-to-IE relaxation.
14230         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
14231         and TLS_DESCRIPTORS.
14232         * Makefile.in: Rebuild.
14233         * configure: Rebuild.
14234         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
14235         (tls_test_shared2.so): New target.
14236         (tls_shared_gd_to_ie_test_SOURCES): New variable.
14237         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
14238         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
14239         (tls_shared_gd_to_ie_test_LDADD): New variable.
14240         (tls_shared_gnu2_gd_to_ie_test): New target.
14241         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
14242         New targets.
14243         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
14244         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
14245         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
14246         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
14247         (tls_shared_gnu2_test): New target.
14248         (tls_test_gnu2_shared.so): New target.
14249         (tls_shared_gnu2_test_SOURCES): New variable.
14250         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
14251         (tls_shared_gnu2_test_LDFLAGS): New variable.
14252         (tls_shared_gnu2_test_LDADD): New variable.
14253         * testsuite/Makefile.in: Rebuild.
14254         * testsuite/Makefile.
14255
14256 2008-04-11  Ian Lance Taylor  <iant@google.com>
14257
14258         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
14259         justsyms.t.
14260         * testsuite/Makefile.in: Rebuild.
14261
14262         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
14263         long.
14264         * testsuite/script_test_2.cc (main): Adjust test.
14265
14266 2008-04-11  David S. Miller  <davem@davemloft.net>
14267             Ian Lance Taylor  <iant@google.com>
14268
14269         * options.h (General_options): Add entries for '-Y' and
14270         '-relax'.
14271         * options.cc (General_options:finalize): If -Y was used, add those
14272         entries to the library path instead of the default "/lib" and
14273         "/usr/lib".
14274
14275 2008-04-11  David S. Miller  <davem@davemloft.net>
14276
14277         * testsuite/justsyms.t: Start at 0x100.
14278         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
14279         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
14280         long.
14281         * testsuite/script_test_2.cc: Adjust string and section length
14282         checks.
14283
14284 2008-04-09  Ian Lance Taylor  <iant@google.com>
14285
14286         PR gold/5996
14287         * script-sections.cc (Sections_element::allocate_to_segment): Add
14288         orphan parameter.
14289         (Output_section_definition::allocate_to_segment): Likewise.
14290         (Orphan_output_section::allocate_to_segment): Likewise.
14291         (Script_sections::attach_sections_using_phdrs_clause): Don't
14292         propagate non-PT_LOAD segments to orphan sections.
14293         * testsuite/Makefile.am (script_test_3.stdout): Generate using
14294         readelf rather than objdump.
14295         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
14296         .interp section and PT_INTERP segment are the same size.
14297         * testsuite/Makefile.in: Rebuild.
14298
14299         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
14300         aliases for symbols defined in the same object.
14301         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
14302         (weak_alias_test_SOURCES): New variable.
14303         (weak_alias_test_DEPENDENCIES): New variable.
14304         (weak_alias_test_LDFLAGS): New variable.
14305         (weak_alias_test_LDADD): New variable.
14306         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
14307         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
14308         (weak_alias_test_3.o): New target.
14309         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
14310         * testsuite/weak_alias_test_main.cc: New file.
14311         * testsuite/weak_alias_test_1.cc: New file.
14312         * testsuite/weak_alias_test_2.cc: New file.
14313         * testsuite/weak_alias_test_3.cc: New file.
14314
14315 2008-04-08  Ian Lance Taylor  <iant@google.com>
14316
14317         * options.h (class General_options): Add --noinhibit-exec option.
14318         * main.cc (main): Check --noinhibit-exec.
14319
14320         * options.h (class General_options): Define --wrap as a special
14321         option.  Add wrap_symbols_ field.
14322         (General_options::any_wrap_symbols): New function.
14323         (General_options::is_wrap_symbol): New function.
14324         * options.cc (General_options::parse_wrap): New function.
14325         (General_options::General_options): Initialize wrap_symbols_.
14326         * symtab.cc (Symbol_table::wrap_symbol): New function.
14327         (Symbol_table::add_from_object): Handle --wrap.
14328         * symtab.h (class Symbol_table): Declare wrap_symbol.
14329         * target.h (Target::wrap_char): New function.
14330         (Target::Target_info): Add wrap_char field.
14331         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
14332         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
14333         * testsuite/testfile.cc (Target_test::test_target_info):
14334         Likewise.
14335
14336         * errors.cc (Errors::undefined_symbol): Mention symbol version if
14337         there is one.
14338
14339         * layout.h (class Layout): Add added_eh_frame_data_ field.
14340         * layout.cc (Layout::Layout): Initialize new field.
14341         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
14342         output section until we find a section we merged successfully.
14343         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
14344         that the size be non-zero.
14345
14346         * merge.cc (Object_merge_map::get_output_offset): Remove inline
14347         qualifier.
14348
14349 2008-04-08  Craig Silverstein  <csilvers@google.com>
14350
14351         * configure.ac: Export new conditional variable HAVE_ZLIB.
14352         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
14353         on HAVE_ZLIB.
14354         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
14355         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14356
14357 2008-04-07  Ian Lance Taylor  <iant@google.com>
14358
14359         * version.cc (version_string): Set to "1.5".
14360
14361         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
14362         Add issued_non_pic_error_ field.  Declare check_non_pic.
14363         (Target_x86_64::Scan::check_non_pic): New function.
14364         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
14365         (Target_x86_64::Scan::global): Likewise.
14366
14367         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
14368         addend parameter.  Change caller.  Handle merge sections.
14369         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
14370         Address to Addend.  Don't add in the result of
14371         local_section_offset, pass down the addend and use the returned
14372         value.
14373         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
14374         Update declarations of local_section_offset and symbol_value.
14375         * testsuite/two_file_test_1.cc (t18): New function.
14376         * testsuite/two_file_test_2.cc (f18): New function.
14377         * testsuite/two_file_test_main.cc (main): Call t18.
14378         * testsuite/two_file_test.h (t18, f18): Declare.
14379
14380         * configure.ac: Don't test for objdump, c++filt, or readelf.
14381         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
14382         conditionals.
14383         (TEST_READELF): New variable.
14384         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
14385         (check_PROGRAMS): Add two_file_strip_test.
14386         (two_file_strip_test): New target.
14387         (check_PROGRAMS): Add two_file_same_shared_strip_test.
14388         (two_file_same_shared_strip_test_SOURCES): New variable.
14389         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
14390         (two_file_same_shared_strip_test_LDFLAGS): New variable.
14391         (two_file_same_shared_strip_test_LDADD): New variable.
14392         (two_file_shared_strip.so): New target.
14393         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
14394         (ver_test_5.syms, ver_test_7.syms): Likewise.
14395         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
14396         (strip_test_3.stdout): Use TEST_OBJDUMP.
14397         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14398
14399 2008-04-04  Cary Coutant  <ccoutant@google.com>
14400
14401         * symtab.h (Symbol::is_weak_undefined): New function.
14402         (Symbol::is_strong_undefined): New function.
14403         (Symbol::is_absolute): New function.
14404         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
14405         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
14406         absolute symbols.
14407         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
14408         (weak_undef_test): New target.
14409         * testsuite/Makefile.in: Rebuild.
14410         * testsuite/weak_undef_file1.cc: New file.
14411         * testsuite/weak_undef_file2.cc: New file.
14412         * testsuite/weak_undef_test.cc: New file.
14413
14414 2008-04-03  Craig Silverstein  <csilvers@google.com>
14415
14416         * compressed_output.h (class Output_compressed_section): Use
14417         unsigned buffer.
14418         * compressed_output.cc (zlib_compress): Use unsigned buffers,
14419         add zlib header.
14420         (zlib_compressed_suffix): Removed.
14421         (Output_compressed_section::set_final_data_size): Use unsigned
14422         buffers.
14423         * testsuite/Makefile.am (flagstest_compress_debug_sections):
14424         Fix linker invocation.
14425         (flagstest_o_specialfile_and_compress_debug_sections):
14426         Likewise.
14427         * testsuite/Makefile.in: Regenerated.
14428
14429 2008-04-02  David S. Miller  <davem@davemloft.net>
14430
14431         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
14432         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
14433
14434 2008-04-02  Craig Silverstein  <csilvers@google.com>
14435
14436         * TODO: New file.
14437
14438 2008-04-02  Ian Lance Taylor  <iant@google.com>
14439
14440         * fileread.cc (File_read::find_view): Add byteshift and vshifted
14441         parameters.  Update for new key type to views_.  Change all
14442         callers.
14443         (File_read::read): Adjust for byteshift in returned view.
14444         (File_read::add_view): New function, broken out of
14445         find_and_make_view.
14446         (File_read::make_view): New function, broken out of
14447         find_and_make_view.
14448         (File_read::find_or_make_view): Add offset and aligned
14449         parameters.  Rewrite accordingly.  Change all callers.
14450         (File_read::get_view): Add offset and aligned parameters.  Adjust
14451         for byteshift in return value.
14452         (File_read::get_lasting_view): Likewise.
14453         * fileread.h (class File_read): Update declarations.
14454         (class File_read::View): Add byteshift_ field.  Add byteshift to
14455         constructor.  Add byteshift method.
14456         * archive.h (Archive::clear_uncached_views): New function.
14457         (Archive::get_view): Add aligned parameter.  Change all callers.
14458         * object.h (Object::get_view): Add aligned parameter.  Change all
14459         callers.
14460         (Object::get_lasting_view): Likewise.
14461
14462         * fileread.cc (File_read::release): Don't call clear_views if
14463         there are multiple objects.
14464         * fileread.h (File_read::clear_uncached_views): New function.
14465         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
14466         on the archive.
14467
14468 2008-03-31  Cary Coutant  <ccoutant@google.com>
14469
14470         Add thin archive support.
14471         * archive.cc (Archive::armagt): New const.
14472         (Archive::setup): Remove task parameter and calls to unlock.
14473         (Archive::unlock_nested_archives): New function.
14474         (Archive::read_header): Add nested_off parameter. Change
14475         all callers.
14476         (Archive::interpret_header): Likewise.
14477         (Archive::include_all_members): Change to handle thin
14478         archives.
14479         (Archive::include_member): Likewise.
14480         * archive.h (Archive::Archive): Add new parameters and
14481         initializers.
14482         (Archive::armagt): New const.
14483         (Archive::setup): Remove task parameter.
14484         (Archive::unlock_nested_archives): New function.
14485         (Archive::read_header): Add nested_off parameter.
14486         (Archive::interpret_header): Likewise.
14487         (Archive::Nested_archive_table): New typedef.
14488         (Archive::is_thin_archive_): New field.
14489         (Archive::nested_archives_): New field.
14490         (Archive::options_): New field.
14491         (Archive::dirpath_): New field.
14492         (Archive::task_): New field.
14493         * readsyms.cc (Read_symbols::do_read_symbols): Add check
14494         for thin archives.  Pass additional parameters to
14495         Archive::Archive.  Unlock the archive file after calling
14496         Archive::setup.
14497
14498 2008-03-29  Ian Lance Taylor  <iant@google.com>
14499
14500         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
14501         version symbol to be local.
14502         * testsuite/ver_test_4.sh: New file.
14503         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
14504         (check_DATA): Add ver_test_4.syms.
14505         (ver_test_4.syms): New target.
14506         * testsuite/Makefile.in: Rebuild.
14507
14508         * output.cc
14509         (Output_section::Input_section_sort_entry::has_priority): New
14510         function.
14511         (Output_section::Input_section_sort_entry::match_file_name): New
14512         function.
14513         (Output_section::Input_section_sort_entry::match_section_name):
14514         Remove.
14515         (Output_section::Input_section_sort_entry::match_section_name_prefix):
14516         Remove.
14517         (Output_section::Input_section_sort_entry::match_section_file):
14518         Remove.
14519         (Output_section::Input_section_sort_compare::operator()): Rewrite
14520         using new Input_section_sort_entry functions.  Sort crtbegin and
14521         crtend first.  Sort sections with no priority before sections with
14522         a priority.
14523         * testsuite/initpri1.c (d3): Check j != 4.
14524         (cd5): New constructor/destructor function.
14525         (main): Check j != 2.
14526
14527         * symtab.cc (Symbol_table::add_from_object): If we don't use the
14528         new symbol when resolving, don't call set_is_default.
14529         * testsuite/ver_test_7.cc: New file.
14530         * testsuite/ver_test_7.sh: New file.
14531         * testsuite/Makefile.am (ver_test_7.so): New target.
14532         (ver_test_7.o): New target.
14533         (check_SCRIPTS): Add ver_test_7.sh.
14534         (check_DATA): Add ver_test_7.syms.
14535         (ver_test_7.syms): New target.
14536
14537 2008-03-28  Ian Lance Taylor  <iant@google.com>
14538
14539         * layout.cc (Layout::layout): If we see an input section with a
14540         name that needs sorting, set the must_sort flag for the output
14541         section.
14542         (Layout::make_output_section): If the name of the output section
14543         indicates that it might require sorting, set the may_sort flag.
14544         * output.h (Output_section::may_sort_attached_input_sections): New
14545         function.
14546         (Output_section::set_may_sort_attached_input_sections): New
14547         function.
14548         (Output_section::must_sort_attached_input_sections): New
14549         function.
14550         (Output_section::set_must_sort_attached_input_sections): New
14551         function.
14552         (class Output_section): Declare Input_section_sort_entry.  Define
14553         Input_section_sort_compare.  Declare
14554         sort_attached_input_sections.  Add new fields:
14555         may_sort_attached_input_sections_,
14556         must_sort_attached_input_sections_,
14557         attached_input_sections_are_sorted_.
14558         * output.cc (Output_section::Output_section): Initialize new
14559         fields.
14560         (Output_section::add_input_section): Add an entry to
14561         input_sections_ if may_sort or must_sort are true.
14562         (Output_section::set_final_data_size): Call
14563         sort_attached_input_sections if necessary.
14564         (Output_section::Input_section_sort_entry): Define new class.
14565         (Output_section::Input_section_sort_compare::operator()): New
14566         function.
14567         (Output_section::sort_attached_input_sections): New function.
14568         * configure.ac: Check whether the compiler supports constructor
14569         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
14570         * testsuite/initpri1.c: New file.
14571         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
14572         CONSTRUCTOR_PRIORITY.
14573         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
14574         (initpri1_LDFLAGS): New variable.
14575         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14576
14577 2008-03-27  Ian Lance Taylor  <iant@google.com>
14578
14579         * common.cc (Sort_commons::operator): Correct sorting algorithm.
14580         * testsuite/common_test_1.c: New file.
14581         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
14582         (common_test_1_SOURCES): New variable.
14583         (common_test_1_DEPENDENCIES): New variable.
14584         (common_test_1_LDFLAGS): New variable.
14585
14586         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
14587         and commons_ correctly when NAME/VERSION does not override
14588         NAME/NULL.
14589         * testsuite/ver_test_6.c: New file.
14590         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
14591         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
14592         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
14593
14594 2008-03-26  Ian Lance Taylor  <iant@google.com>
14595
14596         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
14597         of an undefined symbol from a version script.
14598         * testsuite/Makefile.am (ver_test_5.so): New target.
14599         (ver_test_5.o): New target.
14600         (check_SCRIPTS): Add ver_test_5.sh.
14601         (check_DATA): Add ver_test_5.syms.
14602         (ver_test_5.syms): New target.
14603         * testsuite/ver_test_5.cc: New file.
14604         * testsuite/ver_test_5.script: New file.
14605         * testsuite/ver_test_5.sh: New file.
14606         * Makefile.in, testsuite/Makefile.in: Rebuild.
14607
14608         PR gold/5986
14609         Fix problems building gold with gcc 4.3.0.
14610         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
14611         (gold_error_at_location, gold_warning_at_location): Use it.
14612         * configure.ac: Check whether we can compile and use a template
14613         function with a printf attribute.
14614         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
14615         when jumping over bytes.
14616         * object.cc: Instantiate Object::read_section_data.
14617         * debug.h: Include <cstring>
14618         * dwarf_reader.cc: Include <algorithm>
14619         * main.cc: Include <cstring>.
14620         * options.cc: Include <cstring>.
14621         * output.cc: Include <cstring>.
14622         * script.cc: Include <cstring>.
14623         * script.h: Include <string>.
14624         * symtab.cc: Include <cstring> and <algorithm>.
14625         * target-select.cc: Include <cstring>.
14626         * version.cc: Include <string>.
14627         * testsuite/testmain.cc: Include <cstdlib>.
14628         * configure, config.in: Rebuild.
14629
14630 2008-03-25  Ian Lance Taylor  <iant@google.com>
14631
14632         * options.cc: Include "../bfd/bfdver.h".
14633         (options::help): Print bug reporting address.
14634
14635         * version.cc (print_version): Adjust output for current value of
14636         BFD_VERSION_STRING.
14637
14638         * NEWS: New file.
14639
14640         * options.cc (options::help): Print list of supported targets.
14641         * target-select.h: Include <vector>.
14642         (class Target_selector): Make machine_, size_, and is_big_endian_
14643         fields const.  Add bfd_name_ and instantiated_target_ fields.
14644         (Target_selector::Target_selector): Add bfd_name parameter.
14645         (Target_selector::recognize): Make non-virtual, call
14646         do_recognize.
14647         (Target_selector::recognize_by_name): Make non-virtual, call
14648         do_recognize_by_name.
14649         (Target_selector::supported_names): New function.
14650         (Target_selector::bfd_name): New function.
14651         (Target_selector::do_instantiate_target): New pure virtual
14652         function.
14653         (Target_selector::do_recognize): New virtual function.
14654         (Target_selector::do_recognize_by_name): New virtual function.
14655         (Target_selector::instantiate_target): New private function.
14656         (supported_target_names): Declare.
14657         * target-select.cc (Target_selector::Target_selector): Update for
14658         new parameter and fields.
14659         (select_target_by_name): Check that the name matches before
14660         calling recognize_by_name.
14661         (supported_target_names): New function.
14662         * i386.cc (class Target_selector_i386): Update Target_selector
14663         constructor call.  Remove recognize and recognize_by_name.  Add
14664         do_instantiate_target.
14665         * x86_64.cc (class Target_selector_x86_64): Likewise.
14666         * testsuite/testfile.cc (class Target_selector_test): Update for
14667         changes to Target_selector.
14668
14669         * README: Rewrite, with some notes on unsupported features.
14670
14671 2008-03-24  Cary Coutant  <ccoutant@google.com>
14672
14673         * i386.cc (Target_i386::Got_type): New enum declaration.
14674         (Target_i386::Scan::local): Updated callers of Output_data_got
14675         member functions.
14676         (Target_i386::Scan::global): Likewise.
14677         (Target_i386::Relocate::relocate): Likewise.
14678         (Target_i386::Relocate::relocate_tls): Likewise.
14679         * object.h (Got_offset_list): New class.
14680         (Sized_relobj::local_has_got_offset): Added got_type parameter.
14681         (Sized_relobj::local_got_offset): Likewise.
14682         (Sized_relobj::set_local_got_offset): Likewise.
14683         (Sized_relobj::local_has_tls_got_offset): Removed.
14684         (Sized_relobj::local_tls_got_offset): Removed.
14685         (Sized_relobj::set_local_tls_got_offset): Removed.
14686         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
14687         * output.cc (Output_data_got::add_global): Added got_type parameter.
14688         (Output_data_got::add_global_with_rel): Likewise.
14689         (Output_data_got::add_global_with_rela): Likewise.
14690         (Output_data_got::add_global_pair_with_rel): New function.
14691         (Output_data_got::add_global_pair_with_rela): New function.
14692         (Output_data_got::add_local): Added got_type parameter.
14693         (Output_data_got::add_local_with_rel): Likewise.
14694         (Output_data_got::add_local_with_rela): Likewise.
14695         (Output_data_got::add_local_pair_with_rel): New function.
14696         (Output_data_got::add_local_pair_with_rela): New function.
14697         (Output_data_got::add_global_tls): Removed.
14698         (Output_data_got::add_global_tls_with_rel): Removed.
14699         (Output_data_got::add_global_tls_with_rela): Removed.
14700         (Output_data_got::add_local_tls): Removed.
14701         (Output_data_got::add_local_tls_with_rel): Removed.
14702         (Output_data_got::add_local_tls_with_rela): Removed.
14703         * output.h (Output_data_got::add_global): Added got_type parameter.
14704         (Output_data_got::add_global_with_rel): Likewise.
14705         (Output_data_got::add_global_with_rela): Likewise.
14706         (Output_data_got::add_global_pair_with_rel): New function.
14707         (Output_data_got::add_global_pair_with_rela): New function.
14708         (Output_data_got::add_local): Added got_type parameter.
14709         (Output_data_got::add_local_with_rel): Likewise.
14710         (Output_data_got::add_local_with_rela): Likewise.
14711         (Output_data_got::add_local_pair_with_rel): New function.
14712         (Output_data_got::add_local_pair_with_rela): New function.
14713         (Output_data_got::add_global_tls): Removed.
14714         (Output_data_got::add_global_tls_with_rel): Removed.
14715         (Output_data_got::add_global_tls_with_rela): Removed.
14716         (Output_data_got::add_local_tls): Removed.
14717         (Output_data_got::add_local_tls_with_rel): Removed.
14718         (Output_data_got::add_local_tls_with_rela): Removed.
14719         * resolve.cc (Symbol::override_base_with_special): Removed
14720         reference to has_got_offset_ field.
14721         * symtab.cc (Symbol::init_fields): Replaced initialization
14722         of got_offset_ with got_offsets_.  Removed initialization
14723         of has_got_offset_
14724         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
14725         (Symbol::got_offset): Likewise.
14726         (Symbol::set_got_offset): Likewise.
14727         (Symbol::has_tls_got_offset): Removed.
14728         (Symbol::tls_got_offset): Removed.
14729         (Symbol::set_tls_got_offset): Removed.
14730         (Symbol::got_offset_): Removed.
14731         (Symbol::tls_mod_got_offset_): Removed.
14732         (Symbol::tls_pair_got_offset_): Removed.
14733         (Symbol::got_offsets_): New field.
14734         (Symbol::has_got_offset): Removed.
14735         (Symbol::has_tls_mod_got_offset): Removed.
14736         (Symbol::has_tls_pair_got_offset): Removed.
14737         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
14738         (Target_x86_64::Scan::local): Updated callers of Output_data_got
14739         member functions.
14740         (Target_x86_64::Scan::global): Likewise.
14741         (Target_x86_64::Relocate::relocate): Likewise.
14742         (Target_x86_64::Relocate::relocate_tls): Likewise.
14743
14744 2008-03-25  Ben Elliston  <bje@au.ibm.com>
14745
14746         * yyscript.y: Fix spelling error in comment.
14747
14748 2008-03-24  Ian Lance Taylor  <iant@google.com>
14749
14750         * options.h (class General_options): Define build_id option.
14751         * layout.h (class Layout): Declare write_build_id, create_note,
14752         create_build_id.  Add build_id_note_ member.
14753         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
14754         "libiberty.h", "md5.h", "sha1.h".
14755         (Layout::Layout): Initialize eh_frame_data_,
14756         eh_frame_hdr_section_, and build_id_note_.
14757         (Layout::finalize): Call create_build_id.
14758         (Layout::create_note): New function, broken out of
14759         Layout::create_gold_note.
14760         (Layout::create_gold_note): Call create_note.
14761         (Layout::create_build_id): New function.
14762         (Layout::write_build_id): New function.
14763         (Close_task_runner::run): Call write_build_id.
14764
14765         * x86_64.cc: Correct license to GPLv3.
14766
14767 2008-03-23  Ian Lance Taylor  <iant@google.com>
14768
14769         * options.cc: Include "demangle.h".
14770         (parse_optional_string): New function.
14771         (parse_long_option): Handle takes_optional_argument.
14772         (parse_short_option): Update dash_z initializer.  Handle
14773         takes_optional_argument.
14774         (General_options::General_options): Initialize do_demangle_.
14775         (General_options::finalize): Set do_demangle_.  Handle demangling
14776         style.
14777         * options.h (parse_optional_string): Declare.
14778         (struct One_option): Add optional_arg field.  Update constructor.
14779         Update call constructor calls.  Add takes_optional_argument
14780         function.
14781         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
14782         (DEFINE_optional_string): Define.
14783         (General_options::demangle): Change from DEFINE_bool to
14784         DEFINE_optional_string.
14785         (General_options::no_demangle): New function.
14786         (General_options::do_demangle): New function.
14787         (General_options::set_do_demangle): New function.
14788         (General_options::execstack_status_): Move definition to end of
14789         class definition.
14790         (General_options::static_): Likewise.
14791         (General_options::do_demangle_): New field.
14792         * object.cc (big_endian>::get_symbol_location_info): Call
14793         Options::do_demangle, not Options::demangle.
14794         * symtab.cc (demangle): Likewise.
14795
14796 2008-03-22  Ian Lance Taylor  <iant@google.com>
14797
14798         * gold.h: Include <cstddef> and <sys/types.h>
14799         * options.h: Include <cstring>.
14800
14801 2008-03-21  Ian Lance Taylor  <iant@google.com>
14802
14803         * Added source code to GNU binutils.
14804 \f
14805 Copyright (C) 2008-2012 Free Software Foundation, Inc.
14806
14807 Copying and distribution of this file, with or without modification,
14808 are permitted in any medium without royalty provided the copyright
14809 notice and this notice are preserved.
14810
14811 Local Variables:
14812 mode: change-log
14813 left-margin: 8
14814 fill-column: 74
14815 version-control: never
14816 End: