gold/ChangeLog

   1 2013-05-21  Cary Coutant  <ccoutant@google.com>
   2
   3         * symtab.h (Symbol::is_cxx_vtable): New function.
   4         * target-reloc.h (relocate_section): Check for vtable symbol.
   5         * testsuite/Makefile.am (missing_key_func.sh): New test case.
   6         * testsuite/Makefile.in: Regenerate.
   7         * testsuite/missing_key_func.cc: New test source.
   8         * testsuite/missing_key_func.sh: New test script.
   9
  10 2013-05-21  Cary Coutant  <ccoutant@google.com>
  11
  12         * object.cc (Sized_relobj_file::get_symbol_location_info): Set
  13         type of enclosing symbol.
  14         (Relocate_info::location): Check symbol type when describing symbol.
  15         * object.h (Symbol_location_info): Remove unused line_number;
  16         add enclosing_symbol_type.
  17         * testsuite/debug_msg.sh: Adjust expected output.
  18
  19 2013-05-13  Cary Coutant  <ccoutant@google.com>
  20
  21         * configure.ac: Export DEFAULT_TARGET.
  22         * configure: Regenerate.
  23         * Makefile.in: Regenerate.
  24         * testsuite/Makefile.am: Add .EXPORT_ALL_VARIABLES.
  25         * testsuite/Makefile.in: Regenerate.
  26         * testsuite/debug_msg.sh: Delete duplicate tests.
  27         Don't check undef_int error message match for powerpc where the
  28         source file and line number aren't available.
  29
  30 2013-05-10  Roland McGrath  <mcgrathr@google.com>
  31
  32         * options.h (General_options): Add --rosegment-gap option.
  33         * options.cc (finalize): --rosegment-gap implies --rosegment.
  34         * layout.cc (set_segment_offsets): Let user option override
  35         target->rosegment_gap().
  36
  37 2013-05-10  Roland McGrath  <mcgrathr@google.com>
  38
  39         * options.h (General_options): Remove leading space from help
  40         messages for -nostdlib and --rosegment.
  41
  42 2013-05-03  Maciej W. Rozycki  <macro@codesourcery.com>
  43
  44         PR ld/15365
  45         * layout.cc (Layout::finalize): Make __ehdr_start STV_HIDDEN.
  46
  47 2013-05-03  Alan Modra  <amodra@gmail.com>
  48
  49         * merge.cc (Output_merge_string::do_add_input_section): Correct
  50         scan for number of strings.  Rename vars to avoid shadowing.
  51         Include missing terminator in input_size_.
  52
  53 2013-05-01  H.J. Lu  <hongjiu.lu@intel.com>
  54
  55         * merge.cc (Output_merge_string<Char_type>::do_add_input_section):
  56         Restore empty string handling.
  57
  58 2013-05-01  Cary Coutant  <ccoutant@google.com>
  59
  60         * stringpool.cc (Stringpool_template::new_key_offset): Fix
  61         uninitialized warning.
  62
  63 2013-04-29  Alexander Ivchenko  <alexander.ivchenko@intel.com>
  64
  65         * output.cc (Output_section::add_merge_input_section): Allow
  66         to merge sections if the alignment is more than character size.
  67         * merge.h (Output_merge_string::Output_merge_string): Remove
  68         assert.
  69         * merge.cc (Output_merge_string<Char_type>::do_add_input_section): Count
  70         only not-null strings. Check the alignment of strings.
  71         * stringpool.h
  72         (Stringpool_template<Stringpool_char>::Stringpool_template): Add
  73         alignment as the argument.
  74         (Stringpool_template<Stringpool_char>::addralign_): New class member.
  75         * stringpool.cc (Stringpool_template<Stringpool_char>::new_key_offset):
  76         Align non-zero length strings according to the addralign_.
  77         (Stringpool_template<Stringpool_char>::set_string_offsets):
  78         Updating offsets according to the given alignment.
  79         * testsuite/Makefile.am (text_section_grouping): Test if string
  80         literals are getting merged.
  81         * testsuite/Makefile.in: Regenerate.
  82         * testsuite/merge_string_literals_1.c: New file.
  83         * testsuite/merge_string_literals_2.c: Ditto.
  84         * testsuite/merge_string_literals.sh: Ditto.
  85
  86 2013-04-26  Ian Lance Taylor  <iant@google.com>
  87
  88         * target-reloc.h (relocate_section): If the reloc offset is out of
  89         range, pass VIEW as NULL to relocate.relocate.
  90         * arm.cc (Target_arm:Relocate::relocate): Check for a NULL view.
  91         * i386.cc (Target_i386::Relocate::relocate): Likewise.
  92         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
  93         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
  94         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
  95         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
  96
  97 2013-04-26  Geoff Pike  <gpike@chromium.org>
  98
  99         * gold.cc (queue_final_tasks): invoke layout->queue_build_id_tasks().
 100         * layout.cc (Hash_task): New class.
 101         (Layout::queue_build_id_tasks): New function.
 102         (Layout::write_build_id): Handle single-thread portion of build ID
 103         computation.  (In some cases, all of it is single-threaded.)  Replace
 104         {sha1,md5}_process_bytes with {sha1,md5}_buffer to get the same
 105         functionality in fewer lines of code.
 106         * layout.h (Layout::queue_build_id_tasks): New function declaration.
 107         * options.h (General_options): make "--build-id" default to tree
 108         rather than sha1.  Add two new options related to --build-id=tree:
 109         --build-id-chunk-size-for-treehash and
 110         --build-id-min-file-size-for-treehash.
 111         * Makefile.am: add testing of --build-id=tree and related new options
 112         (these tests will be invoked by "make check").
 113         * Makefile.in: Regenerate.
 114
 115 2013-04-25  Alan Modra  <amodra@gmail.com>
 116
 117         * configure.tgt: Add powerpcle and powerpc64le.
 118
 119 2013-04-22  Alan Modra  <amodra@gmail.com>
 120
 121         PR gold/15355
 122         * layout.cc (Layout::segment_precedes): Allow more than one
 123         segment with the same type and flags.
 124
 125 2013-04-15  Cary Coutant  <ccoutant@google.com>
 126
 127         * layout.cc (Layout::set_relocatable_section_offsets): Don't
 128         allocate space in file for BSS sections.
 129
 130 2013-04-15  Cary Coutant  <ccoutant@google.com>
 131
 132         * script-sections.cc (Orphan_output_section): Reset address
 133         to zero after each orphaned section for relocatable links.
 134
 135 2013-04-15  Cary Coutant  <ccoutant@google.com>
 136
 137         * symtab.cc (Symbol_table::sized_write_globals): Subtract
 138         section starting address for relocatable link.
 139         * testsuite/Makefile.am (script_test_11): New test.
 140         * testsuite/Makefile.in: Regenerate.
 141         * testsuite/script_test_11.c: New source file.
 142         * testsuite/script_test_11.t: New linker script.
 143
 144 2013-04-13  Alan Modra  <amodra@gmail.com>
 145
 146         * powerpc.cc (Stub_control::can_add_to_stub_group): Don't set
 147         owner when sections are not adjacent and exceed group size.
 148         (Target_powerpc::group_sections): Handle corner case.
 149         (Target_powerpc::Branch_info::make_stub): Handle case where
 150         stub table doesn't exist due to branches in non-exec sections.
 151         (Target_powerpc::Relocate::relocate): Likewise.
 152
 153 2013-04-11  Alan Modra  <amodra@gmail.com>
 154
 155         PR gold/15354
 156         * powerpc.cc (Target_powerpc::make_brlt_section): Name section
 157         .branch_lt to match bfd ld.  Adjust comments throughout file.
 158
 159 2013-04-04  Ian Lance Taylor  <iant@google.com>
 160
 161         GCC PR c++/56840
 162         * object.cc (do_layout_deferred_sections): Handle .eh_frame
 163         sections before checking whether they are included in the link.
 164
 165 2013-03-29  Sriraman Tallam  <tmsriram@google.com>
 166
 167         * archive.cc (Archive::get_elf_object_for_member):  Create the elf
 168         object before calling the plugin claim_file handler.  Pass the elf
 169         object of the archive to the plugin. Delete the elf object if the
 170         plugin claims the file.
 171
 172 2013-03-21  Alan Modra  <amodra@gmail.com>
 173
 174         * layout.cc (Layout::set_segment_offsets): Accept writable .text
 175         segment when omagic.
 176
 177 2013-03-21  Alan Modra  <amodra@gmail.com>
 178
 179         * dwp.cc (Dwp_output_file::add_contribution): Avoid signed/unsigned
 180         comparison warning.
 181         * layout.cc (Layout::create_dynamic_symtab): Avoid "may be used
 182         uninitialized" warning.
 183
 184 2013-03-20  Alan Modra  <amodra@gmail.com>
 185
 186         * symtab.h (Symbol::clear_version): New function.
 187         * symtab.cc (Symbol_table::set_dynsym_indexes): Don't set object
 188         is_needed by weak references.  Clear version for symbols defined
 189         in as-needed objects that are not needed.
 190
 191 2013-03-15  Alan Modra  <amodra@gmail.com>
 192
 193         * powerpc.cc (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Make
 194         static and public.  Add report_err param.  Return false for data refs.
 195         (Target_powerpc::rela_dyn_section): New overloaded function.
 196         (Target_powerpc::plt_, iplt_): Elucidate.
 197         (Output_data_plt_powerpc::entry_count): Handle current_data_size()==0.
 198         (Output_data_plt_powerpc::do_write): Don't write .iplt.
 199         (Output_data_plt_powerpc::plt_entry_count): Don't add .iplt entries.
 200         (Target_powerpc::Scan::local, global): Adjust reloc_needs_plt_for_ifunc
 201         calls.  Put ifunc dynamic relocs in irela_dyn_section.  Only
 202         push_branch and make_plt_entry for ifunc syms when
 203         reloc_needs_plt_for_ifunc.
 204         (Target_powerpc::Relocate::relocate): Don't use plt entry value
 205         for ifunc unless reloc_needs_plt_for_ifunc.
 206
 207 2013-03-15  Alan Modra  <amodra@gmail.com>
 208
 209         * gc.h (gc_process_relocs): Don't look through function descriptors.
 210         * icf.cc (get_section_contents): Do so here instead.
 211
 212 2013-03-13  Alan Modra  <amodra@gmail.com>
 213
 214         * powerpc.cc (is_branch_reloc): Forward declare.
 215         (Target_powerpc::do_can_check_for_function_pointers): New predicate.
 216         (Target_powerpc::Scan::local_reloc_may_be_function_pointer): Return
 217         false for 64-bit, true for 32-bit non-branch relocs.
 218         (Target_powerpc::Scan::global_reloc_may_be_function_pointer): Likewise.
 219         * testsuite/Makefile.am (icf_test): Use linker map file instead of
 220         nm output.
 221         (icf_safe_test): Generate linker map file as well as nm output.
 222         (icf_safe_so_test): Likewise.
 223         * testsuite/Makefile.in: Regenerate.
 224         * testsuite/icf_test.sh: Parse linker map file to determine
 225         section folding.
 226         * testsuite/icf_safe_test.sh: Likewise.  Expect folding for PowerPC.
 227         * testsuite/icf_safe_so_test.sh: Likewise.
 228         (X86_32_or_ARM_specific_safe_fold): Merge into..
 229         (arch_specific_safe_fold): ..this.
 230         (X86_64_specific_safe_fold): Delete unused function.
 231
 232 2013-03-12  Alan Modra  <amodra@gmail.com>
 233
 234         * gc.h (gc_process_relocs): Look through function descriptors
 235         to determine shndx, symvalue and addend used by ICF.  Tidy
 236         variable duplication.
 237
 238 2013-03-11  Alan Modra  <amodra@gmail.com>
 239
 240         * gold.cc (queue_middle_tasks): Move detect_odr_violations..
 241         * layout.cc (Layout_task_runner::run): ..to here.
 242         * symtab.h (struct Symbol_location): Extract from..
 243         (class Symbol_table): ..here.
 244         * symtab.cc (Symbol_table::linenos_from_loc): Invoke function_location.
 245         * target.h (class Target): Add function_location and
 246         do_function_location functions.
 247         (class Sized_target): Add do_function_location.
 248         * object.h (class Sized_relobj_file): Move find_shdr..
 249         (class Object): ..to here.
 250         * object.cc: Likewise.  Update to suit.  Instantiate.
 251         (Sized_relobj_file::find_eh_frame): Update find_shdr call.
 252         * powerpc.cc (class Powerpc_dynobj): New.
 253         (Target_powerpc::do_function_location): New function.
 254         (Powerpc_relobj::do_find_special_sections): Update find_shdr call.
 255         (Powerpc_dynobj::do_read_symbols): New function.
 256         (Target_powerpc::do_make_elf_object): Make a Powerpc_dynobj.
 257
 258 2013-03-08  Ian Lance Taylor  <iant@google.com>
 259
 260         * options.cc (General_options::string_to_object_format): Accept
 261         "default".
 262
 263 2013-03-08  Alan Modra  <amodra@gmail.com>
 264
 265         * ehframe.h (Post_fdes) Make it a vector of Post_fde rather than
 266         pointer to Post_fde.
 267         (struct Post_fde): Move definition to here..
 268         * ehframe.cc (struct Post_fde): ..from here.
 269         (Cie::write): Don't alloc Post_fde.
 270         (Eh_frame::do_sized_write): Update.  Don't free Post_fde.
 271
 272 2013-03-07  Alan Modra  <amodra@gmail.com>
 273
 274         * testsuite/discard_locals_relocatable_test.c: Add a powerpc
 275         relocation referencing .LC0.
 276         * testsuite/discard_locals_test.sh: Remove FIXMEs.
 277
 278 2013-03-07  Alan Modra  <amodra@gmail.com>
 279
 280         * testsuite/ifunc-sel.h (ifunc_sel, ifunc_one): Mark
 281         always_inline.  Add assembly for powerpc to avoid GOT.
 282
 283 2013-03-07  Alan Modra  <amodra@gmail.com>
 284
 285         * testsuite/script_test_10.sh: Don't test .bss section
 286         header number.
 287
 288 2013-03-06  Alan Modra  <amodra@gmail.com>
 289
 290         * powerpc.cc (class Powerpc_relobj): Move some member functions.
 291         (Target_powerpc::symval_for_branch):  Add symtab param.  Update
 292         all callers.  Handle folded sections.
 293         (Target_powerpc::do_gc_add_reference): Don't cast dynamic object
 294         to Powerpc_relobj.
 295         (Global_symbol_visitor_opd::operator()): Likewise.
 296
 297 2013-03-04  Alan Modra  <amodra@gmail.com>
 298
 299         * testsuite/Makefile.am (final_layout_script.lds): Add .sbss.
 300         * testsuite/Makefile.in: Regenerate.
 301
 302 2013-03-01  Cary Coutant  <ccoutant@google.com>
 303
 304         Add dwp support for v2 DWARF package file format.
 305         * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
 306         tu_length parameter.  Adjust all callers.
 307         * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
 308         * dwp.cc: Include dwarf.h.
 309         (Section_bounds): New struct type.
 310         (Unit_set): New struct type.
 311         (Dwo_file::Dwo_file): Initialize new data member.
 312         (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
 313         Combine and rename to...
 314         (Dwo_file::read_unit_index): ...this.
 315         (Dwo_file::sized_read_compunit_index)
 316         (Dwo_file::sized_read_typeunit_index): Combine and rename to...
 317         (Dwo_file::sized_read_unit_index): ...this.
 318         (Dwo_file::copy_section): Remove section_name, is_str_offsets
 319         parameters; add section_id parameter.
 320         (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
 321         (Dwo_file::add_unit_set): ...this.
 322         (Dwo_file::shndx_map_): Remove.
 323         (Dwo_file::sect_offsets_): New data member.
 324         (Dwp_output_file::Dwp_output_file): Initialize new data members.
 325         (Dwp_output_file::add_section): Rename to...
 326         (Dwp_output_file::add_contribution): ...this.
 327         (Dwp_output_file::add_cu_set): Combine parameters into a struct.
 328         (Dwp_output_file::add_tu_set): Likewise.
 329         (Dwp_output_file::Contribution): New type.
 330         (Dwp_output_file::Section::contributions): New data member.
 331         (Dwp_output_file::Cu_or_tu_set): Remove.
 332         (Dwp_output_file::Section::Section): New ctor.
 333         (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
 334         (Dwp_output_file::Dwp_index::Section_table): New type.
 335         (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
 336         (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
 337         parameter.
 338         (Dwp_output_file::Dwp_index::shndx_pool): Remove.
 339         (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
 340         (Dwp_output_file::Dwp_index::section_table): New member function.
 341         (Dwp_output_file::Dwp_index::section_table_end): New member function.
 342         (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
 343         (Dwp_output_file::Dwp_index::section_table_rows): New member function.
 344         (Dwp_output_file::Dwp_index::section_table_cols): New member function.
 345         (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
 346         (Dwp_output_file::Dwp_index::section_table_): New data member.
 347         (Dwp_output_file::Dwp_index::section_mask_): New data member.
 348         (Dwp_output_file::add_output_section): New member function.
 349         (Dwp_output_file::write_new_section): New member function.
 350         (Dwp_output_file::write_contributions): New member function.
 351         (Dwp_output_file::section_id_map_): New data member.
 352         (class Dwo_id_info_reader): Remove.
 353         (class Unit_reader): New class.
 354         (get_dwarf_section_name): New function.
 355         (Dwo_file::read_executable): Adjust initializations of class data.
 356         (Dwo_file::read): Add support for v2 package file format.
 357         (Dwo_file::read_unit_index): Likewise.
 358         (Dwo_file::sized_read_unit_index): Likewise.
 359         (Dwo_file::copy_section): Likewise.
 360         (Dwo_file::add_unit_set): Likewise.
 361         (Dwp_output_file::add_output_section): Likewise.
 362         (Dwp_output_file::add_contribution): Likewise.
 363         (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
 364         for empty slot.
 365         (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
 366         file format.
 367         (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
 368         slot.
 369         (Dwp_output_file::initialize): Remove unused function.
 370         (Dwp_output_file::finalize): Add support for v2 package file format.
 371         (Dwp_output_file::write_index): Likewise.
 372         * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
 373         function prototype.
 374
 375 2013-03-01  Cary Coutant  <ccoutant@google.com>
 376
 377         * dwarf_reader.cc (Dwarf_info_reader::check_buffer): Move
 378         function into class definition in header file.
 379         (Dwarf_info_reader::warn_corrupt_debug_section): New function.
 380         * dwarf_reader.h (Dwarf_info_reader::warn_corrupt_debug_section):
 381         New function.
 382         (Dwarf_info_reader::check_buffer): Move here from .cc file.
 383
 384 2013-02-28  Alan Modra  <amodra@gmail.com>
 385
 386         * target.h (Target::plt_fde_location, do_plt_fde_location): Declare.
 387         * target.cc (Target::do_plt_fde_location): New function.
 388         * ehframe.h (class FDE): Add post_map field to u_.from_linker,
 389         accessor function, and constructor param.
 390         (struct Post_fde, Post_fdes): Declare.
 391         (Cie::write): Add post_fdes param.
 392         * ehframe.cc (Fde::write): Use plt_fde_location.
 393         (struct Post_fde): Define.
 394         (Cie::write): Stash FDEs added post merge mapping.
 395         (Eh_frame::add_ehframe_for_plt): Assert no new CIEs after mapping.
 396         Adjust Fde constructor call.  Bump final_data_size_ for post map FDEs.
 397         (Eh_frame::do_sized_write): Arrange to write post map FDES after
 398         other FDEs.
 399         * powerpc.cc (Target_powerpc::do_plt_fde_location): New function.
 400         (Target_powerpc::has_glink): New function.
 401         (Target_powerpc::do_relax): Add eh_frame info for stubs.
 402         (struct Eh_cie, eh_frame_cie, glink_eh_frame_fde_64,
 403         glink_eh_frame_fde_32, default_fde): New data.
 404         (Stub_table::eh_frame_added_): New var.
 405         (Stub_table::find_long_branch_entry, stub_address, stub_offset):
 406         Make const.
 407         (Stub_table::add_eh_frame): New function.
 408         (Output_data_glink::add_eh_frame): New function.
 409         (Target_powerpc::make_glink_section): Call add_eh_frame.
 410
 411 2013-02-15  Ian Lance Taylor  <iant@google.com>
 412
 413         * options.h (DEFINE_uint64_alias): Define.
 414         (class General_options): Add -Ttext-segment as an alias for
 415         -Ttext.
 416
 417 2013-02-15  Alan Modra  <amodra@gmail.com>
 418
 419         * powerpc.cc (Stub_table::plt_off): New function, extracted from..
 420         (Stub_table::do_write): ..here, two places.
 421         (Stub_table::plt_call_size): Use it here too.
 422
 423 2013-02-11  Ian Lance Taylor  <iant@google.com>
 424
 425         * descriptors.cc (Descriptors::close_all): New function.
 426         * descriptors.h (class Descriptors): Declare close_all.
 427         (close_all_descriptors): New inline function.
 428         * plugin.cc: Include "descriptors.h".
 429         (Plugin_manager::cleanup): Call close_all_descriptors.
 430
 431 2013-02-06  Alan Modra  <amodra@gmail.com>
 432
 433         * README: Update coding style link.
 434
 435 2013-01-28  Cary Coutant  <ccoutant@google.com>
 436
 437         * dwp.cc (File_list): New typedef.
 438         (Dwo_name_info_reader): New class.
 439         (Dwo_id_info_reader::Dwo_id_info_reader): Remove unused parameters.
 440         (Dwo_id_info_reader::visit_top_die): Remove unused member function.
 441         (Dwo_file::~Dwo_file): Delete input_file_ after obj_.
 442         (Dwo_file::read_executable): New function.
 443         (Dwo_file::read): Move common setup code to ...
 444         (Dwo_file::make_object): ... here.
 445         (dwp_options): Add --exec/-e.
 446         (usage): Likewise.
 447         (main): Likewise.
 448
 449 2013-01-24  Sriraman Tallam  <tmsriram@google.com>
 450
 451         * layout.cc (Layout::layout): Check for option text_reorder.
 452         (Layout::make_output_section): Ditto.
 453         * options.h (text_reorder): New option.
 454         * output.cc (Input_section_sort_compare): Remove special ordering
 455         of section names.
 456         (Output_section::
 457          Input_section_sort_section_name_special_ordering_compare::
 458          operator()): New function.
 459         (Output_section::sort_attached_input_sections): Use new sort function
 460         for .text.
 461         * output.h (Input_section_sort_section_name_special_ordering_compare):
 462         New struct.
 463         * testsuite/Makefile.am (text_section_grouping): Test option
 464         --no-text-reorder
 465         * testsuite/Makefile.in: Regenerate.
 466         * testsuite/text_section_grouping.sh: Check order of functions without
 467         default text reordering.
 468
 469 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
 470
 471         * options.h (General_options): Change default to true for new_dtags.
 472
 473 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
 474
 475         * layout.cc (Layout::finish_dynamic_section): Only add DT_RPATH
 476         when enable_new_dtags is false.  Only add DT_RUNPATH when
 477         enable_new_dtags is true.
 478
 479 2013-01-17  Serge Pavlov  <serge.v.pavlov@gmail.com>
 480
 481         * powerpc.cc (Stub_table::find_plt_call_entry): Make types
 482         used in declaration and definition consistent.
 483         (Target_powerpc::symval_for_branch): Ditto.
 484
 485 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
 486
 487         * testsuite/plugin_final_layout.cc: Fix comment.
 488
 489 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
 490
 491         * layout.cc (Layout::layout): Do not do default sorting for
 492         text sections when section ordering is specified.
 493         (make_output_section): Ditto.
 494         * testsuite/plugin_final_layout.cc: Name the function sections
 495         to catch reordering issues.
 496
 497 2013-01-15  Alan Modra  <amodra@gmail.com>
 498
 499         * powerpc.cc (Target_powerpc::do_relax): Default shared libs to
 500         plt-thread-safe.
 501
 502 2013-01-15  Alan Modra  <amodra@gmail.com>
 503
 504         * testsuite/Makefile.am (final_layout_script.lds): Handle .got section.
 505         * testsuite/Makefile.in: Regenerate.
 506
 507 2013-01-14  Alan Modra  <amodra@gmail.com>
 508
 509         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add various output files.
 510         * testsuite/Makefile.in: Regenerate.
 511
 512 2013-01-11  Pavel Chupin  <pavel.v.chupin@intel.com>
 513
 514         PR bfd/14430
 515         Fix mingw gold build with plugins enabled
 516         * Makefile.am: Replace -ldl with @DLOPEN_LIBS@.
 517         * configure.ac: Export DLOPEN_LIBS and add headers check.
 518         * plugin.cc: Handle non-dlfcn case.
 519         * Makefile.in: Regenerate.
 520         * config.in: Regenerate.
 521         * configure: Regenerate.
 522         * testsuite/Makefile.in: Regenerate.
 523
 524 2013-01-09  Sriraman Tallam  <tmsriram@google.com>
 525
 526         * output.h (sort_attached_input_sections): Change to be public.
 527         * script-sections.cc
 528         (Output_section_definition::set_section_addresses): Sort
 529         attached input sections according to section order before linker
 530         script assigns section addresses.
 531         (Orphan_output_section::set_section_addresses): Sort
 532         attached input sections according to section order before linker
 533         script assigns section addresses.
 534         * Makefile.am (final_layout.sh): Use a simple linker script to
 535         check if section ordering still works.
 536         * Makefile.in: Regenerate.
 537
 538 2013-01-09  Ben Cheng  <bccheng@google.com>
 539
 540         * arm.cc (Target_arm::attributes_accept_div): New function.
 541         (Target_arm::attributes_forbid_div): New function.
 542         (Target_arm::merge_object_attributes): Merge the Tag_DIV_use
 543         attribute using the same new functions as what bfd/elf32_arm.c
 544         does.
 545
 546 2013-01-07  Cary Coutant  <ccoutant@google.com>
 547
 548         PR gold/14993
 549         * output.cc (Output_section::add_input_section): For incremental
 550         updates, don't track input sections that are allocated from patch
 551         space.
 552
 553 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
 554             Ian Lance Taylor  <iant@google.com>
 555
 556         PR gold/14897
 557         * configure.ac (--enable-ld): Removed.
 558         (install_as_default): Set to yes only for --enable-gold=default
 559         or --disable-ld.
 560         * configure: Regenerated.
 561
 562 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
 563
 564         * options.h (General_options): Add -fuse-ld= for GCC linker
 565         option compatibility.
 566
 567 2013-01-04  Cary Coutant  <ccoutant@google.com>
 568
 569         * configure.ac: Fix typo restoring CXXFLAGS.
 570         * configure: Regenerate.
 571
 572 2013-01-04  Cary Coutant  <ccoutant@google.com>
 573
 574         * testsuite/Makefile.am (CXXLINK_S): New macro.
 575         (debug_msg_so.err, debug_msg_ndebug.err): Use CXXLINK_S.
 576         * testsuite/Makefile.in: Regenerate.
 577
 578 2013-01-02  H.J. Lu  <hongjiu.lu@intel.com>
 579
 580         * version.cc (print_version): Update copyright year to 2013.
 581
 582 2012-12-20  Ian Lance Taylor  <iant@google.com>
 583
 584         * layout.cc (Layout::special_ordering_of_input_section): New
 585         function.
 586         (Layout::layout): If input section requires special ordering, must
 587         sort input sections.
 588         (Layout::make_output_section): May sort .text input sections.
 589         (Layout::is_section_name_prefix_grouped): Remove.
 590         * layout.h (class Layout): Declare
 591         special_ordering_of_input_section.  Don't declare
 592         is_section_name_prefix_grouped.
 593         * output.cc (Output_section::add_input_section): Revert last
 594         change.
 595         (Output_section::Input_section_sort::match_file_name): Don't crash
 596         if called on output section data.
 597         (Output_section::Input_section_sort_compare): Sort based on
 598         special ordering.
 599         (Output_section::Input_section_sort_section_order_index_compare):
 600         Revert last patch.
 601         (Output_section::sort_attached_input_sections): Likewise.
 602
 603 2012-12-18  Sriraman Tallam  <tmsriram@google.com>
 604
 605         * layout.cc (Layout::is_section_name_prefix_grouped): New function.
 606         * layout.h (Layout::is_section_name_prefix_grouped): New function.
 607         * output.cc (Output_section::add_input_section): Check if section
 608         name contains special prefix.  Keep input sections to sort such
 609         sections.
 610         (Output_section::Input_section_sort_section_order_index_compare
 611          ::operator()): Group sections according to prefixes.
 612         (Output_section::sort_attached_input_sections): Add condition to
 613         Input_section_entry constructor call.
 614         * testsuite/Makefile.am (text_section_grouping): New test.
 615         * testsuite/Makefile.in: Regenerate.
 616         * testsuite/text_section_grouping.cc: New file.
 617         * testsuite/text_section_grouping.sh: New file.
 618
 619 2012-12-17  Nick Clifton  <nickc@redhat.com>
 620
 621         * Makefile.am: Add copyright notice.
 622         * NEWS: Likewise.
 623         * README: Likewise.
 624         * configure.ac: Likewise.
 625         * ftruncate.c: Likewise.
 626         * Makefile.in: Regenerate.
 627
 628 2012-12-14  Cary Coutant  <ccoutant@google.com>
 629
 630         * testsuite/Makefile.am (exception_separate_shared_12_test): Add
 631         --no-as-needed flag.
 632         (exception_separate_shared_12_test): Likewise.
 633         (incremental_copy_test): Likewise.
 634         * testsuite/Makefile.in: Regenerate.
 635
 636 2012-12-14  Cary Coutant  <ccoutant@google.com>
 637
 638         * dwp.cc (Dwp_output_file::add_cu_set): Check for duplicate CUs.
 639         (Dwp_output_file::Dwp_index::enter_set): Add assert.
 640
 641 2012-12-12  Alan Modra  <amodra@gmail.com>
 642
 643         * powerpc.cc (class Track_tls): New.
 644         (class Relocate, class Scan): Inherit Track_tls.
 645         (Target_powerpc::Scan::local, global): Track tls optimization
 646         and avoid creating plt entry for __tls_get_addr if all uses
 647         are optimized away.
 648         (Target_powerpc::Relocate::relocate): Update to use Track_tls.
 649
 650 2012-12-12  Alan Modra  <amodra@gmail.com>
 651
 652         * options.h (General_options): Add --toc-sort/--no-toc-sort.
 653         Replace no_toc_optimize with toc_optimize.
 654         * output.h (Output_section::input_sections): Provide non-const variant.
 655         * powerpc.cc (Powerpc_relobj::has_small_toc_reloc_,
 656         set_has_small_toc_reloc, has_small_toc_reloc): New variable and
 657         accessors.
 658         (Target_powerpc::Scan::local, global): Call set_has_small_toc_reloc.
 659         (class Sort_toc_sections): New.
 660         (Target_powerpc::do_finalize_sections): Sort toc sections.
 661         (Target_powerpc::Relocate::relocate): Update toc_optimize test.
 662
 663 2012-12-10  Roland McGrath  <mcgrathr@google.com>
 664
 665         * testsuite/binary_unittest.cc (read_all): New function.
 666         (Sized_binary_test): Use it instead of ::read.
 667         * fileread.cc (do_read): Don't assume pread always reads the whole
 668         amount in a single call.
 669
 670 2012-12-10  Alan Modra  <amodra@gmail.com>
 671
 672         * powerpc.cc (Target_selector_powerpc::Target_selector_powerpc):
 673         Set EM_PPC64 or EM_PPC here.
 674         (Target_selector_powerpc::do_recognize): Delete.
 675
 676 2012-12-10  Alan Modra  <amodra@gmail.com>
 677
 678         * powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ and
 679         stub_table_.
 680         (Target_powerpc::Branch_info::make_stub): Don't omit addend.
 681
 682 2012-12-07  Roland McGrath  <mcgrathr@google.com>
 683
 684         * testsuite/binary_unittest.cc (Sized_binary_test):
 685         Use open_descriptor rather than ::open.
 686
 687 2012-12-07  Alan Modra  <amodra@gmail.com>
 688
 689         * powerpc.cc (Stub_table::do_write): Delete redundant Address
 690         typedef and invalid_address constant.
 691         (Output_data_glink, Stub_table, Target_powerpc): Explicitly
 692         instantiate constants.
 693
 694 2012-12-06  Roland McGrath  <mcgrathr@google.com>
 695
 696         * configure.ac (HAVE_ZLIB): Use AM_ZLIB instead of AC_SEARCH_LIBS.
 697         Use $ac_cv_header_zlib_h = yes as the condition in AM_CONDITIONAL.
 698         * aclocal.m4: Regenerate.
 699         * configure: Regenerate.
 700         * Makefile.in: Regenerate.
 701         * testsuite/Makefile.in: Regenerate.
 702
 703 2012-12-07  Alan Modra  <amodra@gmail.com>
 704
 705         * options.h (General_options): Add no_toc_optimize.
 706         * powerpc.cc (ok_lo_toc_insn): New function.
 707         (Target_powerpc::Relocate::relocate): Optimize toc access sequences.
 708
 709 2012-12-06  Alan Modra  <amodra@gmail.com>
 710
 711         * options.h (General_options): Add plt_align, plt_static_chain,
 712         plt_thread_safe.  Update stub_group_size help text.
 713         * powerpc.cc (Target_powerpc::plt_thread_safe): New access function
 714         for new plt_thread_safe_ var.
 715         (use_plt_offset): Correct comments.
 716         (Target_powerpc::do_relax): Look for thread creation symbols to
 717         determine default plt_thread_safe value.  Clear plt call stubs
 718         as well as branch stubs each iteration.
 719         (add_2_2_11, add_12_12_11, bnectr_p4, cmpldi_2_0, xor_11_11_11): New
 720         insn constants.
 721         (l, hi, ha, write_insn): Move earlier.
 722         (Stub_table): Delete prev_size, add last_plt_size and last_branch_size.
 723         (Stub_table::clear_stubs): Rename from clear_long_branch_stubs, clear
 724         plt stubs too.
 725         (Stub_table::update_size): Adjust.
 726         (Stub_table::prev_size, set_prev_size): Delete.
 727         (Stub_table::stub_align): Let --plt-align affect result.
 728         (Stub_table::plt_call_size): Calculate sizes for various stubs.
 729         (Stub_table::branch_stub_size): Use last_plt_size in address calc.
 730         (Stub_table::add_plt_call_stub): Pass iterator to plt_call_size.
 731         (Stub_table::do_write): Support more stub variants.
 732
 733 2012-12-04  Alan Modra  <amodra@gmail.com>
 734
 735         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.
 736         (Target_powerpc::do_define_standard_symbols): New function.
 737
 738 2012-12-03  Alan Modra  <amodra@gmail.com>
 739
 740         * output.h: Formatting, whitespace.
 741
 742 2012-12-03  Alan Modra  <amodra@gmail.com>
 743
 744         * layout.h (Layout::get_executable_sections): Declare.
 745         * layout.cc (Layout::get_executable_sections): New function.
 746         * arm.cc (Target_arm::group_sections): Use it.
 747         (Arm_output_section::group_sections): Delete now redundant test.
 748         * output.cc (Output_reloc::Output_reloc): Add is_relative.
 749         param to handle relative relocs.
 750         * output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise.
 751         (Output_data_reloc::add_absolute): Adjust.
 752         (Output_data_reloc::add_relative): New function.
 753         (Output_data::reset_data_size): New function.
 754         (Output_relaxed_input_section::set_relobj, set_shndx): New functions.
 755         (Output_section::set_addralign): New function.
 756         (Output_section::checkpoint_set_addralign): New function.
 757         (Output_section::clear_section_offsets_need_adjustment): New function.
 758         (Output_section::input_sections): Make public.
 759         * powerpc.cc (class Output_data_brlt_powerpc): New.
 760         (class Stub_table, class Stub_control): New.
 761         (Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch,
 762         stub_table_, set_stub_table, stub_table): New vectors and accessor
 763         functions.
 764         (Target_powerpc::do_may_relax, do_relax, push_branch,
 765         new_stub_table, stub_tables, brlt_section, group_sections,
 766         add_branch_lookup_table, find_branch_lookup_table,
 767         write_branch_lookup_table, make_brlt_section): New functions.
 768         (Target_powerpc::struct Sort_sections, class Branch_info): New.
 769         (Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_,
 770         branch_info_): New vars.
 771         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't
 772         make call stubs here.
 773         (Output_data_glink): Remove all call stub handling from this class.
 774         (Target_powerpc::Scan::local, global): Save interesting branch
 775         relocs and relocs for ifunc.  Adjust calls to plt entry functions.
 776         (Target_powerpc::do_finalize_sections): Only make reg save/restore
 777         functions on final link.
 778         (Target_powerpc::Relocate::relocate): Adjust lookup of call stubs.
 779         Handle long branch destinations too.
 780         (Target_powerpc::do_dynsym_value, do_plt_address_for_global,
 781         do_plt_address_for_local): Adjust lookup of plt call stubs.
 782
 783 2012-11-30  Alan Modra  <amodra@gmail.com>
 784
 785         * powerpc.c (Target_powerpc::Scan::global): Don't emit relative
 786         relocs against protected symbols when building 32-bit shared libs.
 787
 788 2012-11-30  Alan Modra  <amodra@gmail.com>
 789
 790         * powerpc.cc (Target_powerpc::make_plt_section): Add symtab
 791         param.  Call got_section() to make .got.  Update all callers
 792         and their callers and so on.
 793
 794 2012-11-30  Alan Modra  <amodra@gmail.com>
 795
 796         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
 797         _GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
 798         (Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
 799         value if it already exists.
 800
 801 2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
 802
 803         PR gold/14858
 804         * x86_64.cc (Relocate::tls_ld_to_le): Support x32.
 805
 806 2012-11-14  Roland McGrath  <mcgrathr@google.com>
 807
 808         * arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
 809         than bfc instruction for data sandboxing.
 810
 811 2012-11-08  Alan Modra  <amodra@gmail.com>
 812
 813         * po/POTFILES.in: Regenerate.
 814
 815 2012-11-05  Alan Modra  <amodra@gmail.com>
 816
 817         * configure.ac: Apply 2012-09-10 change to config.in here.
 818         * configure: Regenerate.
 819
 820 2012-11-05  Alan Modra  <amodra@gmail.com>
 821
 822         * powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
 823         (struct Opd_ent): Use "Address" rather than "Offset".
 824         (Output_data_got_powerpc::got_base_offset): Return Valtype.
 825         (Target_powerpc::got_section): Make public.
 826         (Target_powerpc::scan_relocs): Move code setting symbols..
 827         (Powerpc_relobj::do_scan_relocs): ..to here, new function.
 828         Create _SDA_BASE_ only when referenced.
 829
 830 2012-11-02  Roland McGrath  <mcgrathr@google.com>
 831
 832         * i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
 833         from last change.
 834
 835 2012-11-01  Roland McGrath  <mcgrathr@google.com>
 836
 837         * target.h (Sized_target::relocate_relocs): Use Elf_Off
 838         for offset_in_output_section parameter.
 839         (Sized_target::relocate_special_relocatable): Likewise.
 840         * arm.cc (Target_arm::relocate_relocs): Likewise.
 841         (Target_arm::relocate_special_relocatable): Likewise.
 842         * i386.cc (Target_i386::relocate_relocs): Likewise.
 843         * powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
 844         * sparc.cc (Target_sparc::relocate_relocs): Likewise.
 845         * target-reloc.h (relocate_relocs): Likewise.
 846         * testsuite/testfile.cc (Target_test): Likewise.
 847         * tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
 848         * x86_64.cc (Target_x86_64::relocate_relocs): Likewise.
 849
 850         * system.h: Move inclusion of <clocale> to after <libintl.h> in
 851         [ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.
 852
 853         * descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
 854         parameter, which is unused in the [!F_SETFD] case.
 855
 856         * dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
 857         SYMNDX to off_t before comparing it to this->data_size().
 858         * output.cc (Output_symtab_xindex::endian_do_write): Likewise.
 859         * incremental.cc (Output_section_incremental_inputs::do_write):
 860         Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
 861
 862         * nacl.cc: Include "libiberty.h" for vasprintf declaration.
 863
 864 2012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>
 865
 866         * gold.cc (Target_arm::do_adjust_elf_header): Add the
 867         hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
 868         in EABI_VER5.
 869
 870 2012-10-29  Cary Coutant  <ccoutant@google.com>
 871
 872         * dwp.cc (usage): Add file and exit status parameters;
 873         add --help and --version options.
 874         (print_version): New function.
 875         (main): Add --help and --version options.
 876
 877 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 878
 879         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add
 880         final_layout_sequence.txt.
 881         * testsuite/Makefile.in: Regenerated.
 882
 883 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 884
 885         * testsuite/Makefile.am (COMPILE1): New variable. Renamed from
 886         COMPILE generated by automake.
 887         (LINK1): Likewise.
 888         (CXXCOMPILE1): Likewise.
 889         (CXXLINK1): Likewise.
 890         (COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
 891         (LINK): Likewise.
 892         (CXXCOMPILE): Likewise.
 893         (CXXLINK): Likewise.
 894         * testsuite/Makefile.in: Regenerated.
 895
 896 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 897
 898         * dwp.cc (Dwo_file::record_target_info): Issue a fatal error
 899         on bad fwrite return.
 900
 901 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 902
 903         * dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
 904         on val.
 905
 906 2012-10-23  Cary Coutant  <ccoutant@google.com>
 907
 908         * testsuite/Makefile.am (TEST_OBJCOPY): New macro.
 909         * testsuite/Makefile.in: Regenerate.
 910         * testsuite/dwp_test.h: New source file.
 911         * testsuite/dwp_test_1.cc: New source file.
 912         * testsuite/dwp_test_1.s: New source file.
 913         * testsuite/dwp_test_1.sh: New source file.
 914         * testsuite/dwp_test_1b.cc: New source file.
 915         * testsuite/dwp_test_1b.s: New source file.
 916         * testsuite/dwp_test_2.cc: New source file.
 917         * testsuite/dwp_test_2.s: New source file.
 918         * testsuite/dwp_test_2.sh: New source file.
 919         * testsuite/dwp_test_main.cc: New source file.
 920         * testsuite/dwp_test_main.s: New source file.
 921
 922 2012-10-23  Cary Coutant  <ccoutant@google.com>
 923
 924         * dwp.h: New header file.
 925         * dwp.cc: New source file.
 926         * gold.h: Move shared declarations to system.h.
 927         * system.h: New header file.
 928         * Makefile.am: Add dwp.
 929         * Makefile.in: Regenerate.
 930
 931 2012-10-23  Cary Coutant  <ccoutant@google.com>
 932
 933         * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
 934         Dwarf_info_reader::read_from_pointer.
 935         (Dwarf_pubnames_table::read_header): Likewise.
 936         (Dwarf_pubnames_table::next_name): Likewise.
 937         (Dwarf_die::read_attributes): Likewise.
 938         (Dwarf_die::skip_attributes): Likewise.
 939         (Dwarf_info_reader::read_from_pointer): New function template.
 940         * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
 941         (Dwarf_pubnames_table): Likewise.
 942         (Dwarf_info_reader::read_from_pointer): New function template.
 943         * gdb-index.cc (Gdb_index_info_reader): Adjust call to
 944         Dwarf_pubnames_table ctor.
 945
 946 2012-10-23  Cary Coutant  <ccoutant@google.com>
 947
 948         * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
 949         abbrev_shndx.
 950         * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
 951         abbrev_shndx_.
 952         (Dwarf_info_reader::set_abbrev_shndx): New method.
 953         (Dwarf_info_reader::abbrev_shndx_): New data member.
 954
 955 2012-10-23  Cary Coutant  <ccoutant@google.com>
 956
 957         * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
 958         from object, not parameters.
 959         (Dwarf_info_reader::parse): Likewise.
 960         * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
 961         (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
 962         (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
 963         methods.
 964
 965 2012-10-23  Cary Coutant  <ccoutant@google.com>
 966
 967         * fileread.cc (Input_file::Input_file): New constructor.
 968         * fileread.h (class Input_file): Add new constructor.
 969
 970 2012-10-18  Alan Modra  <amodra@gmail.com>
 971
 972         PR gold/14727
 973         * object.cc (Relobj::is_section_name_included): Also match
 974         .sdata personality section.
 975
 976 2012-10-18  Alan Modra  <amodra@gmail.com>
 977
 978         * target-reloc.h (class Default_comdat_behavior): New, package up..
 979         (get_comdat_behaviour): ..this.
 980         (relocate_section): Add Relocate_comdat_behavior template arg,
 981         adjust code to suit.
 982         * arm.cc (Target_arm::relocate_section): Adjust to suit.
 983         (Target_arm::scan_reloc_section): Likewise.
 984         * i386.cc (Target_i386::relocate_section): Likewise.
 985         * sparc.cc (Target_sparc::relocate_section): Likewise.
 986         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
 987         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
 988         * powerpc.cc (class Relocate_comdat_behavior): New.
 989         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
 990         gold::relocate_section with new template arg.
 991
 992 2012-10-18  Alan Modra  <amodra@gmail.com>
 993
 994         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
 995         dynamic relocs for GOT_TPREL got entries, without symbol if
 996         resolving locally.
 997         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
 998         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
 999         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
1000
1001 2012-10-17  Alan Modra  <amodra@gmail.com>
1002
1003         PR gold/14726
1004         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
1005
1006 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
1007
1008         * layout.cc (Layout::include_section): Keep sections marked
1009         SHF_EXCLUDE when doing relocatable links.
1010
1011 2012-10-16  Alan Modra  <amodra@gmail.com>
1012
1013         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
1014         (Target_powerpc::do_finalize_sections): Call it.
1015         (Output_data_save_res): New class and supporting functions.
1016         (Target_powerpc::symval_for_branch): Only look up .opd entry for
1017         normal symbols defined in object files.
1018
1019 2012-10-12  Alan Modra  <amodra@gmail.com>
1020
1021         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
1022         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
1023         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
1024         section if scan_opd_relocs not yet called.
1025         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
1026
1027 2012-10-12  Alan Modra  <amodra@gmail.com>
1028
1029         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
1030         add_local_ifunc_entry): Revert last change.
1031         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
1032
1033 2012-10-05  Alan Modra  <amodra@gmail.com>
1034
1035         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
1036         do_plt_address_for_global): New functions.
1037         (Output_data_got_powerpc::do_write): Don't segfault when linking
1038         statically.
1039         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
1040         add_local_ifunc_entry): Return true on adding entry..
1041         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
1042         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
1043         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
1044         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
1045         set up symbols here.
1046         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
1047         syms here.  Do so even when no .iplt.  Don't segfault when linking
1048         statically.
1049         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
1050         new variants without reloc param.
1051         (Glink_sym_ent::Glink_sym_ent): Likewise.
1052         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
1053         reloc when refs will resolve to plt call stub.
1054         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
1055         R_PPC_PLTREL24 to resolve locally.
1056         (Target_powerpc::Scan::global): Correct ifunc handling.
1057         (Target_powerpc::Relocate::relocate): Correct local sym glink
1058         lookup.  Don't destroy "value" when we have a plt call stub,
1059         and when checking plt call validity.
1060         (Target_powerpc::do_dynsym_value): Simplify.
1061
1062 2012-10-05  Alan Modra  <amodra@gmail.com>
1063
1064         * i386.cc (Output_data_plt_i386::address_for_global,
1065         address_for_local): Add plt offset to returned value.  Adjust uses.
1066         * sparc.cc (Output_data_plt_sparc::address_for_global,
1067         address_for_local): Likewise.
1068         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
1069         address_for_local): Likewise.
1070         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
1071         address_for_local): Likewise.
1072         * target.h (Target::plt_address_for_global, plt_address_for_local):
1073         Update comment.
1074         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
1075         (Output_data_got::Got_entry::write): Nor here.
1076         * output.h: Comment fix.
1077
1078 2012-10-02  Jiong Wang  <jiwang@tilera.com>
1079
1080         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
1081         global_offset_table_ value for larget got.
1082         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
1083
1084 2012-09-29  Alan Modra  <amodra@gmail.com>
1085
1086         * powerpc.cc (Target_powerpc::iplt_): New output section.
1087         (Target_powerpc::iplt_section, make_iplt_section,
1088         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
1089         (Target_powerpc::make_plt_entry): Handle ifunc syms.
1090         Target_powerpc::plt_entry_count): Count iplt entries too.
1091         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
1092         reloc section in constructor.  New params.
1093         (Target_powerpc::make_plt_section): Create reloc section here instead.
1094         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
1095         functions.
1096         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
1097         (Output_data_glink::add_entry, find_entry): New functions to
1098         deal with local syms.
1099         (Glink_sym_ent): Add support for local syms.
1100         (Output_data_glink::do_write): Handle ifunc plt entries.
1101         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
1102         (Target_powerpc::Scan::local, global): Handle ifunc syms.
1103         (Target_powerpc::Relocate::relocate): Likewise.
1104         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
1105
1106 2012-09-25  Alan Modra  <amodra@gmail.com>
1107
1108         * object.h (Sized_relobj_file::adjust_local_symbol,
1109         do_adjust_local_symbol): New functions.
1110         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
1111         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
1112         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
1113         and irregular opd entry spacing.
1114         (Powerpc_relobj::do_read_relocs): Add opd size checks.
1115         (Global_symbol_visitor_opd): New functor.
1116         (Target_powerpc::do_finalize_sections): Omit global symbols defined
1117         on deleted opd entries.
1118
1119 2012-09-15  Jiong Wang  <jiwang@tilera.com>
1120
1121         * tilegx.cc: New file.
1122         * Makefile.am (TARGETSOURCES): Add tilegx.cc
1123         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
1124         * configure.tgt: Add entries for tilegx*.
1125         * configure.ac: Likewise.
1126         * Makefile.in: Rebuild.
1127         * configure: Likewise.
1128         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
1129         tilegx.
1130
1131 2012-09-13  Alan Modra  <amodra@gmail.com>
1132
1133         * target-reloc.h (scan_relocs): Call scan.local for relocs
1134         against symbols in discarded sections.  Pass is_discarded
1135         param.
1136         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
1137         Add is_discarded param.
1138         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
1139         is_discarded to flag opd entry as discarded.  Don't emit dyn
1140         relocs on such entries.
1141         (Target_powerpc::Scan::global): Similarly detect and handle
1142         such opd entries.
1143         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
1144         opd_ent_.  Update all uses.
1145         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
1146         (Target_powerpc::relocate_section): Zero out discarded opd
1147         entry relocs.
1148
1149 2012-09-12  Ian Lance Taylor  <iant@google.com>
1150
1151         PR gold/14570
1152         * output.cc: Rename Output_data_got template parameter from size
1153         to got_size for all functions.  Compile all variants of
1154         Output_data_got.
1155         (Output_data_got::Got_entry::write): Correct use of size for
1156         symbol value.  Use local_is_tls rather than casting to
1157         Sized_relobj_file.
1158         * object.h (class Object): Add local_is_tls and do_local_is_tls.
1159         (class Sized_relobj_file): Add do_local_is_tls.
1160         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
1161
1162 2012-09-11  Alan Modra  <amodra@gmail.com>
1163
1164         PR gold/14566
1165         * layout.cc (Layout::set_segment_offsets): When using
1166         common-page-size alignment, ensure we are on a new max-page-size
1167         page.
1168         * output.cc (Output_segment::set_section_addresses): Use
1169         abi_pagesize, not common_pagesize for relro boundary.
1170         (Output_segment::set_offset): Likewise.
1171
1172 2012-09-11  Alan Modra  <amodra@gmail.com>
1173
1174         * output.h (Output_data_got::add_global_tls, add_local_tls,
1175         add_local_tls_pair): New functions.
1176         (Output_data_got::add_local_pair_with_rel): Remove second
1177         reloc param.  Expand comment.
1178         (Output_data_got::Got_entry): Rename use_plt_offset_ to
1179         use_plt_or_tls_offset_, similarly for constructor param.
1180         (Output_data_got::Got_entry::write): Add got_index param.
1181         * output.cc (Output_data_got::add_global_tls, add_local_tls,
1182         add_local_tls_pair): New functions.
1183         (Output_data_got::Got_entry::write): Handle tls symbols
1184         with use_plt_or_tls_offset_ set specially.
1185         (Output_data_got::add_local_pair_with_rel): Only one reloc.
1186         (Output_data_got::do_write): Replace iterator with index, pass
1187         index to entry write function.
1188         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
1189         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
1190         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
1191         call.
1192         * i386.cc (Target_i386::Scan::local): Likewise.
1193         * sparc.cc (Target_sparc::Scan::local): Likewise.
1194         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
1195         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
1196         do_tls_offset_for_global): New functions.
1197         (Target_powerpc::Scan::local): Correct TLS relocations and got
1198         entry values.
1199         (Target_powerpc::Scan::global): Don't emit unnecessary
1200         dynamic relocations on TLS GOT entries.
1201
1202 2012-09-10  Matthias Klose  <doko@ubuntu.com>
1203
1204         * config.in: Disable sanity check for kfreebsd.
1205
1206 2012-09-10  Sterling Augustine  <saugustine@google.com>
1207
1208         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
1209         (Gdb_index::pubtypes_read): New parameter.
1210         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
1211         to calls.
1212         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
1213         pubtypes_object_.
1214
1215 2012-09-09  Alan Modra  <amodra@gmail.com>
1216
1217         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
1218         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
1219         * gc.h (gc_process_relocs): Call target gc_add_reference.
1220         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
1221         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
1222         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
1223         unnecessary cast.
1224         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
1225         to cater for when we don't need code offset.  Update use.
1226         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
1227         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
1228         set_opd_valid): New functions.
1229         (Target_powerpc::do_gc_add_reference): New function.
1230         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
1231         stashed refs.
1232         (Target_powerpc::do_gc_mark_symbol): New function.
1233
1234 2012-09-06  Cary Coutant  <ccoutant@google.com>
1235
1236         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
1237         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
1238         (Dwarf_die::skip_attributes): Likewise.
1239         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
1240         * testsuite/gdb_index_test.cc (inline_func_1): New function.
1241         (main): Call it.
1242         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
1243
1244 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
1245
1246         * testsuite/script_test_3.t: Add .got.plt output section
1247         statement.
1248         * testsuite/script_test_4.t: Likewise.
1249
1250 2012-09-05  Alan Modra  <amodra@gmail.com>
1251
1252         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
1253         update all uses and lose "enum" when using type.
1254
1255 2012-09-05  Alan Modra  <amodra@gmail.com>
1256
1257         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
1258         * configure: Regenerate.
1259         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
1260         (plugin_final_layout.stdout): Likewise.
1261         (memory_test): Set page sizes to 0x1000.
1262         * testsuite/Makefile.in: Regenerate.
1263         * testsuite/discard_locals_test.sh: Add FIXME comment.
1264         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
1265         * testsuite/pr14265.t: Add .got output section statement.
1266         * testsuite/script_test_2.t: Likewise.
1267         * testsuite/script_test_3.t: Likewise.
1268         * testsuite/script_test_4.t: Likewise.
1269         * testsuite/script_test_5.t: Likewise.
1270         * testsuite/script_test_6.t: Likewise.
1271         * testsuite/script_test_7.t: Likewise.
1272         * testsuite/script_test_9.t: Likewise.
1273
1274 2012-09-05  Alan Modra  <amodra@gmail.com>
1275
1276         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
1277         (Powerpc_relocate_functions::Status): New typedef.
1278         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
1279         (Target_powerpc::Scan::local): Handle REL64.
1280         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
1281         for REL32 and REL64.
1282         (Target_powerpc::symval_for_branch): New function, extracted from..
1283         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
1284         checks.  Report overflow errors.
1285
1286 2012-09-05  Alan Modra  <amodra@gmail.com>
1287
1288         * object.h (Sized_relobj_file::emit_relocs): Delete.
1289         (Sized_relobj_file::emit_relocs_reltype): Delete.
1290         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
1291         relocate_relocs for --emit-relocs.
1292         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
1293         * output.h: Update comment.
1294         (Output_segment::first_section): New function.
1295         (Output_segment::first_section_load_address): Use first_section.
1296         * output.cc (Output_segment::first_section): New function extracted..
1297         (Output_segment::first_section_load_address): ..from here.  Delete.
1298         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
1299         * target.h (Sized_target::relocate_for_relocatable): Likewise.
1300         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
1301         adjust call to target.h function.
1302         * i386.cc (Target_i386): Likewise.
1303         * sparc.cc (Target_sparc): Likewise.
1304         * x86_64.cc (Target_x86_64): Likewise.
1305         * powerpc.cc (Target_powerpc): Likewise.
1306         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
1307         first tls section has section symbol for optimised local dynamic
1308         output relocs.
1309         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
1310         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
1311         optimised tls code.
1312         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
1313         Rename to relocate_relocs.  Update error message.
1314
1315 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
1316
1317         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
1318         --just-symbols.
1319
1320 2012-08-31  Alan Modra  <amodra@gmail.com>
1321
1322         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
1323         (Powerpc_relobj::toc_base_offset): New stub function.
1324         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
1325         got_mod_index_offset to tlsld_got_offset.  Update all refs.
1326         (Target_powerpc::Relocate::enum skip_tls): New.
1327         (Target_powerpc::call_tls_get_addr_): New var.
1328         (Target_powerpc::is_branch_reloc): Move to file scope.
1329         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
1330         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
1331         New functions.
1332         (Target_powerpc::enum Got_type): Delete old values, add new ones.
1333         (powerpc_info): Correct common_pagesize for ppc64.
1334         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
1335         (Powerpc_relocate_functions): Add overflow check enums and functions.
1336         Add non-shift version of rela, rela_ua.  Delete all rel public
1337         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
1338         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
1339         addr16_ha3, addr14 functions.
1340         (Output_data_got_powerpc::add_constant_pair): New function.
1341         (Output_data_got_powerpc::got_base_offset): Likewise.
1342         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
1343         (instruction constants): Sort, add some more.
1344         (Output_data_glink::do_write): Add and use Address typedef.  Use
1345         object->toc_base_offset() stub for 64-bit.
1346         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
1347         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
1348         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
1349         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
1350         Always treat .opd relocs as against locally defined symbol.
1351         Correct condition for RELATIVE relocs.
1352         (Target_powerpc::do_finalize_sections): Test for NULL sections.
1353         (Target_powerpc::Relocate::relocate): Use plt call stub as value
1354         for 32-bit syms with a plt entry.  Correct ppc64 toc base
1355         calculations.  Handle TLS relocs, and more.  Add overflow
1356         checking and adjust for Powerpc_relocate_functions changes.
1357         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
1358         Reinstate --emit-relocs code with FIXME.
1359
1360 2012-08-30  Alan Modra  <amodra@gmail.com>
1361
1362         * layout.cc (Layout::set_segment_offsets): Set p_align to
1363         abi_pagesize, not common_pagesize.
1364         (Layout::relaxation_loop_body): Similarly use abi_pagesize
1365         to determine whether file header can go in segment.
1366
1367 2012-08-30  Alan Modra  <amodra@gmail.com>
1368
1369         * output.h (Output_reloc::Output_reloc <output section>): Add
1370         is_relative param.  Adjust calls.
1371         (Output_reloc::add_output_section_relative): New functions.
1372         * output.cc (Output_reloc::Output_reloc <output section>): Handle
1373         is_relative.
1374         (Output_reloc::symbol_value): Handle SECTION_CODE.
1375
1376 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
1377
1378         * gold.cc (queue_middle_tasks): Call layout again when unique
1379         segments for sections is desired.
1380         * layout.cc (Layout::Layout): Initialize new members.
1381         (Layout::get_output_section_flags): New function.
1382         (Layout::choose_output_section): Call get_output_section_flags.
1383         (Layout::layout): Make output section for mapping to a unique segment.
1384         (Layout::insert_section_segment_map): New function.
1385         (Layout::attach_allocated_section_to_segment): Make unique segment for
1386         output sections marked so.
1387         (Layout::segment_precedes): Check for unique segments when sorting.
1388         * layout.h (Layout::Unique_segment_info): New struct.
1389         (Layout::Section_segment_map): New typedef.
1390         (Layout::insert_section_segment_map): New function.
1391         (Layout::get_output_section_flags): New function.
1392         (Layout::is_unique_segment_for_sections_specified): New function.
1393         (Layout::set_unique_segment_for_sections_specified): New function.
1394         (Layout::unique_segment_for_sections_specified_): New member.
1395         (Layout::section_segment_map_): New member.
1396         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
1397         Rename is_gc_pass_one to is_pass_one.
1398         Rename is_gc_pass_two to is_pass_two.
1399         Rename is_gc_or_icf to is_two_pass.
1400         Check for which pass based on whether symbols data is present.
1401         Make it two pass when unique segments for sections is desired.
1402         * output.cc (Output_section::Output_section): Initialize new
1403         members.
1404         * output.h (Output_section::is_unique_segment): New function.
1405         (Output_section::set_is_unique_segment): New function.
1406         (Output_section::is_unique_segment_): New member.
1407         (Output_section::extra_segment_flags): New function.
1408         (Output_section::set_extra_segment_flags): New function.
1409         (Output_section::extra_segment_flags_): New member.
1410         (Output_section::segment_alignment): New function.
1411         (Output_section::set_segment_alignment): New function.
1412         (Output_section::segment_alignment_): New member.
1413         (Output_segment::Output_segment): Initialize is_unique_segment_.
1414         (Output_segment::is_unique_segment): New function.
1415         (Output_segment::set_is_unique_segment): New function.
1416         (Output_segment::is_unique_segment_): New member.
1417         * plugin.cc (allow_unique_segment_for_sections): New function.
1418         (unique_segment_for_sections): New function.
1419         (Plugin::load): Add new functions to transfer vector.
1420         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
1421         * Makefile.in: Regenerate.
1422         * testsuite/plugin_final_layout.sh: Check if unique segment
1423         functionality works.
1424         * testsuite/plugin_section_order.c (onload): Check if new interfaces
1425         are available.
1426         (allow_unique_segment_for_sections): New global.
1427         (unique_segment_for_sections): New global.
1428         (claim_file_hook): Call allow_unique_segment_for_sections.
1429         (all_symbols_read_hook): Call unique_segment_for_sections.
1430
1431 2012-08-22  Cary Coutant  <ccoutant@google.com>
1432
1433         * layout.cc (Layout::include_section): Don't assert on GROUP
1434         sections with --emit-relocs.
1435
1436 2012-08-21  Cary Coutant  <ccoutant@google.com>
1437
1438         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
1439         if --export-dynamic-symbol names an undef symbol.
1440
1441 2012-08-18  Alan Modra  <amodra@gmail.com>
1442
1443         * powerpc.cc: Formatting and white space.
1444         (Powerpc_relobj): Rename got2_section_ to special_.
1445         Add opd_ent_shndx_ and opd_ent_off_ vectors.
1446         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
1447         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
1448         (Target_powerpc): Add Address typedef and invalid_address.  Use
1449         throughout.
1450         (Target_powerpc::is_branch_reloc): New function.
1451         (Powerpc_relocate_functions): Add Address typedef, use throughout.
1452         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
1453         for dst_mask, value and addend.
1454         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
1455         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
1456         (Output_data_glink::do_write): Correct toc base.  Don't try to use
1457         uint16_t for 24-bit offset.  Use get_output_section_offset and
1458         check return.
1459         (Target_powerpc::Scan::local): Handle more relocs.
1460         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
1461         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
1462         Plug in toc restoring insn after plt calls.  Translate branches
1463         to function descriptor symbols to corresponding entry point.
1464         (Target_powerpc::relocate_for_relocatable): Check return from
1465         get_output_section_offset.
1466         * symtab.h: Comment typo.
1467
1468 2012-08-14  Ian Lance Taylor  <iant@google.com>
1469
1470         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
1471         unsupported_relocal_local to call unsupported_reloc_global.
1472
1473 2012-08-14  Nick Clifton  <nickc@redhat.com>
1474
1475         PR ld/14265
1476         * script-sections.cc (Sections_element::output_section_name): Add
1477         keep return parameter.
1478         (Output_section_element::match_name): Add keep return parameter.
1479         Return the value of the keep_ member.
1480         * script-sections.h (class Output_section): Update
1481         output_section_name prototype.
1482         * layout.cc (Layout::keep_input_section): New public member
1483         function.
1484         (Layout::choose_output_section): Pass keep parameter to
1485         output_section_name.
1486         * layout.h (class Layout): Add keep_input_section.
1487         * object.cc (Sized_relobj_file::do_layout): Check for kept input
1488         sections.
1489         * testsuite/Makefile.am: Add a test.
1490         * testsuite/Makefile.in: Regenerate.
1491         * testsuite/pr14265.c: Source file for the test.
1492         * testsuite/pr14265.t: Linker script for the test.
1493         * testsuite/pr14265.sh: Shell script for the test.
1494
1495 2012-08-14  Alan Modra  <amodra@gmail.com>
1496
1497         * target.h (Target::output_section_name): New function.
1498         (Target::do_output_section_name): New function.
1499         * layout.cc (Layout::choose_output_section): Call the above.
1500         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
1501
1502 2012-08-14  Alan Modra  <amodra@gmail.com>
1503
1504         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
1505         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
1506         for replace_constant call.
1507         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
1508         (Output_data_glink::do_print_to_mapfile): New function.
1509         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
1510         (Target_powerpc::Relocate::relocate): Likewise.
1511
1512 2012-08-14  Alan Modra  <amodra@gmail.com>
1513
1514         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
1515         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
1516         (Output_data_glink::add_entry,find_entry): Remove shndx param.
1517         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
1518         all references to shndx_.  Handle special case for R_PPC_PLTREL24
1519         here.
1520         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
1521         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
1522         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
1523         here.
1524         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
1525         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
1526
1527 2012-08-12  Alan Modra  <amodra@gmail.com>
1528
1529         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
1530         (glink insn constants): Use uint32_t.
1531         (Output_data_glink::add_entry): Use insert, not [] operator.
1532
1533 2012-08-11  Alan Modra  <amodra@gmail.com>
1534
1535         * object.h (Sized_relobj_file::find_shdr): New function.
1536         (Sized_relobj_file::find_special_sections): New function.
1537         * object.cc (Sized_relobj_file::find_shdr): New function.
1538         (Sized_relobj_file::find_eh_frame): Use find_shdr.
1539         (Sized_relobj_file::find_special_sections): New function, split out..
1540         (Sized_relobj_file::do_read_symbols): ..from here.
1541         * output.h (Output_data_got::replace_constant): New function.
1542         (Output_data_got::num_entries): New function.
1543         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
1544         (Output_data_got::got_offset): Protected rather than private.
1545         (Output_data_got::replace_got_entry): New function.
1546         * output.cc (Output_data_got::replace_got_entry): New function.
1547         * powerpc.cc (class Powerpc_relobj): New.
1548         (class Powerpc_relocate_functions): Delete all psymval variants or
1549         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
1550         Implement _ha functions using corresponding _hi function.
1551         (Powerpc_relobj::find_special_sections): New function.
1552         (Target_powerpc::do_make_elf_object): New function.
1553         (class Output_data_got_powerpc): New.
1554         (class Output_data_glink): New.
1555         (class Powerpc_scan_relocatable_reloc): New.
1556         Many more changes througout file.
1557
1558 2012-08-09  Nick Clifton  <nickc@redhat.com>
1559
1560         * po/vi.po: Updated Vietnamese translation.
1561
1562 2012-08-07  Ian Lance Taylor  <iant@google.com>
1563
1564         * layout.cc (Layout::add_target_dynamic_tags): If
1565         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
1566         plt_rel.
1567
1568 2012-07-30  Nick Clifton  <nickc@redhat.com>
1569
1570         * po/gold.pot: Updated template.
1571         * po/es.po: Updated Spanish translation.
1572
1573 2012-07-18  Cary Coutant  <ccoutant@google.com>
1574
1575         PR gold/14344
1576         * configure.ac: Add check for -gpubnames support.
1577         * configure: Regenerate.
1578         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
1579         support; force -gno-pubnames.
1580         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
1581         support.
1582         (gdb_index_test_4): New test.
1583         * testsuite/Makefile.in: Regenerate.
1584         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
1585         * testsuite/gdb_index_test_2.sh: Likewise.
1586         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
1587         * testsuite/gdb_index_test_4.sh: New script.
1588         * testsuite/gdb_index_test_comm.sh: New script with common code;
1589         don't look for space after colon.
1590
1591 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
1592
1593         * gold.cc (queue_middle_tasks): Update function order only after
1594         deferred objects due to plugins are processed.
1595
1596 2012-07-11  Ian Lance Taylor  <iant@google.com>
1597
1598         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
1599         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
1600         (Target_arm::scan_reloc_for_stub): Likewise.
1601         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
1602         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
1603         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
1604         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
1605         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
1606
1607 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
1608             Ian Lance Taylor  <iant@google.com>
1609
1610         PR gold/14309
1611         * configure.ac: Test whether std::tr1::hash<off_t> works.
1612         * gold.h: Add a specialization for std::tr1::hash<off_t> if
1613         needed.
1614         * output.h (class Output_fill): Add virtual destructor.
1615         * configure, config.in: Rebuild.
1616
1617 2012-06-22  Roland McGrath  <mcgrathr@google.com>
1618
1619         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
1620
1621 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
1622
1623         * plugin.cc (Plugin::load): Handle position independent executables.
1624
1625 2012-06-06  Cary Coutant  <ccoutant@google.com>
1626
1627         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
1628         add .debug_macro.
1629         (lines_only_debug_sections): Likewise.
1630         (gdb_fast_lookup_sections): New static array.
1631         (is_gdb_debug_section): Rename formal parameter.
1632         (is_lines_only_debug_section): Likewise.
1633         (is_gdb_fast_lookup_section): New function.
1634         (Layout::include_section): Check for ".zdebug_" prefix; pass
1635         section name suffix to is_gdb_debug_section, et al.; check for
1636         fast-lookup sections when building .gdb_index.
1637         * options.h (--strip-debug-gdb): Update GDB version number.
1638
1639 2012-06-06  Cary Coutant  <ccoutant@google.com>
1640
1641         * configure.ac: Add check for fallocate.
1642         * configure: Regenerate.
1643         * config.in: Regenerate.
1644
1645         * options.h (class General_options): Add --mmap-output-file and
1646         --posix-fallocate options.
1647         * output.cc: (posix_fallocate): Remove; replace with...
1648         (gold_fallocate): New function.
1649         (Output_file::map_no_anonymous): Call gold_fallocate.
1650         (Output_file::map): Check --mmap-output-file option.
1651
1652 2012-06-05  Jing Yu  <jingyu@google.com>
1653
1654         * gold.h (textdomain): Add do {} to empty while(0).
1655         (bindtextdomain): Likewise.
1656
1657 2012-06-04  Cary Coutant  <ccoutant@google.com>
1658
1659         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
1660         has_dynsym_index.
1661
1662 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
1663
1664         * symtab.cc (Symbol_table::define_special_symbol):
1665         Initialize *poldsym to prevent uninitialized variable errors.
1666
1667 2012-05-23  Cary Coutant  <ccoutant@google.com>
1668
1669         * layout.cc (Layout::section_name_mapping): Add rules to handle
1670         exact match on .data.rel.ro.local or .data.rel.ro.
1671         (Layout::output_section_name): Check for exact matches.
1672
1673 2012-05-23  Cary Coutant  <ccoutant@google.com>
1674
1675         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
1676         more carefully.
1677
1678 2012-05-22  Cary Coutant  <ccoutant@google.com>
1679
1680         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
1681         object before exporting symbol.
1682
1683 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1684
1685         * testsuite/tls_test.cc: Include "config.h" first.
1686         * testsuite/tls_test_c.c: Likewise.
1687
1688 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
1689             Nick Clifton  <nickc@redhat.com>
1690
1691         PR 14072
1692         * configure.in: Add check that sysdep.h has been included before
1693         any system header files.
1694         * configure: Regenerate.
1695         * config.in: Regenerate.
1696
1697 2012-05-14  Cary Coutant  <ccoutant@google.com>
1698
1699         * layout.cc (Layout::make_output_section): Mark .tdata section
1700         as RELRO.
1701         * testsuite/relro_test.cc: Add a TLS variable.
1702
1703 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1704
1705         PR gold/14091
1706         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
1707         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
1708         R_X86_64_64.
1709
1710 2012-05-08  Cary Coutant  <ccoutant@google.com>
1711
1712         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
1713         (lines_only_debug_sections): Likewise.
1714
1715 2012-05-02  Roland McGrath  <mcgrathr@google.com>
1716
1717         * nacl.cc: New file.
1718         * nacl.h: New file.
1719         * Makefile.am (CCFILES, HFILES): Add them.
1720         * Makefile.in: Regenerate.
1721         * i386.cc (Output_data_plt_i386_nacl): New class.
1722         (Output_data_plt_i386_nacl_exec): New class.
1723         (Output_data_plt_i386_nacl_dyn): New class.
1724         (Target_i386_nacl): New class.
1725         (Target_selector_i386_nacl): New class.
1726         (target_selector_i386): Use it instead of Target_selector_i386.
1727         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
1728         (Target_x86_64_nacl): New class.
1729         (Target_selector_x86_64_nacl): New class.
1730         (target_selector_x86_64, target_selector_x32): Use it instead of
1731         Target_selector_x86_64.
1732         * arm.cc (Output_data_plt_arm_nacl): New class.
1733         (Target_arm_nacl): New class.
1734         (Target_selector_arm_nacl): New class.
1735         (target_selector_arm, target_selector_armbe): Use it instead of
1736         Target_selector_arm.
1737
1738         * target-select.cc (select_target): Take new Input_file* and off_t
1739         arguments, pass them on to recognize method of selector.
1740         * object.cc (make_elf_sized_object): Update caller.
1741         * parameters.cc (parameters_force_valid_target): Likewise.
1742         * incremental.cc (make_sized_incremental_binary): Likewise.
1743         * target-select.h: Update decl.
1744         (Target_selector::recognize): Take new Input_file* argument,
1745         pass it on to do_recognize.
1746         (Target_selector::do_recognize): Take new Input_file* argument.
1747         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
1748         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
1749         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
1750         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
1751
1752         * target.h (Target::Target_info): New members isolate_execinstr
1753         and rosegment_gap.
1754         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
1755         * arm.cc (Target_arm::arm_info): Update initializer.
1756         * i386.cc (Target_i386::i386_info): Likewise.
1757         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
1758         * sparc.cc (Target_sparc::sparc_info): Likewise.
1759         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1760         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
1761         * layout.cc (Layout::attach_allocated_section_to_segment):
1762         Take new const Target* argument.  If target->isolate_execinstr(), act
1763         like --rosegment.
1764         (Layout::find_first_load_seg): Take new const Target* argument;
1765         if target->isolate_execinstr(), reject PF_X segments.
1766         (Layout::relaxation_loop_body): Update caller.
1767         (Layout::set_segment_offsets): If target->isolate_execinstr(),
1768         reset file offset to zero when we hit LOAD_SEG, and then do a second
1769         loop over the segments before LOAD_SEG to reassign offsets after
1770         addresses have been determined.  Handle target->rosegment_gap().
1771         (Layout::attach_section_to_segment): Take new const Target* argument;
1772         pass it to attach_allocated_section_to_segment.
1773         (Layout::make_output_section): Update caller.
1774         (Layout::attach_sections_to_segments): Take new const Target* argument;
1775         pass it to attach_section_to_segment.
1776         * gold.cc (queue_middle_tasks): Update caller.
1777         * layout.h (Layout): Update method decls with new arguments.
1778
1779         * arm.cc (Target_arm::Target_arm): Take optional argument for the
1780         Target_info pointer to use.
1781         (Target_arm::do_make_data_plt): New virtual method.
1782         (Target_arm::make_data_plt): New method that calls it.
1783         (Target_arm::make_plt_entry): Use it.
1784         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
1785         for the section alignment.
1786         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
1787         method.
1788         (Output_data_plt_arm::first_plt_entry_offset): Call it.
1789         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
1790         method.
1791         (Output_data_plt_arm::get_plt_entry_size): Call it.
1792         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
1793         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
1794         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
1795         method.
1796         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
1797         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
1798         method instead of sizeof(plt_entry).
1799         (Output_data_plt_arm::add_entry): Likewise.
1800         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
1801         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
1802         than static method.
1803         (Target_arm::plt_entry_size): Likewise.
1804         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
1805         Move to ...
1806         (Output_data_plt_arm_standard): ... here, new class.
1807         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
1808         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
1809         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
1810
1811         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1812         Take additional argument for the PLT entry size.
1813         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
1814         Use get_plt_entry_size method rather than plt_entry_size variable.
1815         (Output_data_plt_x86_64::reserve_slot): Likewise.
1816         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
1817         (Output_data_plt_x86_64::add_entry): Likewise.
1818         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
1819         (Output_data_plt_x86_64::address_for_global): Likewise.
1820         (Output_data_plt_x86_64::address_for_local): Likewise.
1821         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1822         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
1823         Make method non-static.
1824         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
1825         method.
1826         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
1827         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
1828         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
1829         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
1830         virtual method.
1831         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
1832         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
1833         virtual method.
1834         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
1835         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
1836         virtual method.
1837         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
1838         (Output_data_plt_x86_64::plt_entry_size)
1839         (Output_data_plt_x86_64::first_plt_entry)
1840         (Output_data_plt_x86_64::plt_entry)
1841         (Output_data_plt_x86_64::tlsdesc_plt_entry)
1842         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
1843         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
1844         (Output_data_plt_x86_64_standard): ... here, new class.
1845         (Target_x86_64::Target_x86_64): Take optional argument for the
1846         Target_info pointer to use.
1847         (Target_x86_64::do_make_data_plt): New virtual method.
1848         (Target_x86_64::make_data_plt): New method to call it.
1849         (Target_x86_64::init_got_plt_for_update): Use that.
1850         Call this->plt_->add_eh_frame method here.
1851         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
1852         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
1853         rather than static method.
1854         (Target_x86_64::plt_entry_size): Likewise.
1855         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
1856         rather than plt_entry_size variable.  Move guts of PLT filling to...
1857         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
1858         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
1859         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
1860
1861         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
1862         additional argument for the section alignment.
1863         Don't do add_eh_frame_for_plt here.
1864         (Output_data_plt_i386::first_plt_entry_offset): Make the method
1865         non-static.  Use get_plt_entry_size method rather than plt_entry_size
1866         variable.
1867         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
1868         method.
1869         (Output_data_plt_i386::get_plt_entry_size): Call it.
1870         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
1871         (Output_data_plt_i386::add_eh_frame): New method to call it.
1872         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
1873         method.
1874         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
1875         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
1876         method.
1877         (Output_data_plt_i386::fill_plt_entry): New method to call it.
1878         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
1879         method instead of plt_entry_size.
1880         (Output_data_plt_i386::plt_entry_size)
1881         (Output_data_plt_i386::plt_eh_frame_fde_size)
1882         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
1883         (Output_data_plt_i386_standard): ... here, new class.
1884         (Output_data_plt_i386_exec): New class.
1885         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
1886         (Output_data_plt_i386_exec::first_plt_entry): ... here.
1887         (Output_data_plt_i386::exec_plt_entry): Move to ...
1888         (Output_data_plt_i386_exec::plt_entry): ... here.
1889         (Output_data_plt_i386_dyn): New class.
1890         (Output_data_plt_i386::first_plt_entry): Move to ...
1891         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
1892         (Output_data_plt_i386::dyn_plt_entry): Move to ...
1893         (Output_data_plt_i386_dyn::plt_entry): ... here.
1894         (Target_i386::Target_i386): Take optional argument for the Target_info
1895         pointer to use.
1896         (Target_i386::do_make_data_plt): New virtual method.
1897         (Target_i386::make_data_plt): New method to call it.
1898         (Target_i386::make_plt_section): Use that.
1899         Call this->plt_->add_eh_frame method here.
1900         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
1901         rather than plt_entry_size variable.
1902         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
1903         (Output_data_plt_i386::address_for_local): Likewise.
1904         (Output_data_plt_i386::do_write): Likewise.
1905         Move guts of PLT filling to...
1906         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
1907         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
1908         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
1909         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
1910
1911 2012-05-01  Cary Coutant  <ccoutant@google.com>
1912
1913         * dwarf_reader.cc (Dwarf_die::read_attributes)
1914         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
1915         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
1916         * reduced_debug_output.cc
1917         (Output_reduced_debug_info_section::get_die_end): Remove
1918         DW_FORM_GNU_ref_index.  Add default case.
1919
1920 2012-04-26  Mark Wielaard  <mjw@redhat.com>
1921
1922         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
1923         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
1924         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
1925         DW_AT_high_pc as offset from DW_AT_low_pc.
1926
1927         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
1928         * testsuite/Makefile.in: Regenerate.
1929         * testsuite/gdb_index_test_3.c: New test source file.
1930         * testsuite/gdb_index_test_3.sh: New test source file.
1931
1932 2012-04-25  Ian Lance Taylor  <iant@google.com>
1933
1934         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
1935         pointer.
1936         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
1937         as a class, not a struct.
1938         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
1939         (Target_arm::apply_cortex_a8_workaround): Likewise.
1940         * gc.h: Declare Reloc_types as a struct, not a class.
1941         * object.h: Declare Symbols_data as a struct.
1942         * reloc.h: Declare Read_relocs_data as a struct.
1943         * target.h: Declare Relocate_info as a struct.
1944
1945 2012-04-24  David S. Miller  <davem@davemloft.net>
1946
1947         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
1948         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
1949         and R_SPARC_WPLT30.
1950
1951 2012-04-24  Cary Coutant  <ccoutant@google.com>
1952
1953         * incremental-dump.cc (find_input_containing_global): Replace
1954         magic number with symbolic constant.
1955         (dump_incremental_inputs): Update version number.
1956         * incremental.cc (Output_section_incremental_inputs): Update version
1957         number; import symbolic constants from Incremental_inputs_reader.
1958         (Incremental_inputs::create_data_sections): Align relocations
1959         section correctly for 64-bit targets.
1960         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
1961         constants; add padding.
1962         (Output_section_incremental_inputs::write_header): Add assert for
1963         header_size.
1964         (Output_section_incremental_inputs::write_input_files): Add assert
1965         for input_entry_size.
1966         (Output_section_incremental_inputs::write_info_blocks): Add padding;
1967         add assert for object_info_size, input_section_entry_size,
1968         global_sym_entry_size.
1969         * incremental.h (Incremental_inputs_reader): Add symbolic constants
1970         for data structure sizes; use them.
1971         (Incremental_input_entry_reader): Import symbolic constants from
1972         Incremental_inputs_reader; use them.
1973
1974 2012-04-23  David S. Miller  <davem@davemloft.net>
1975
1976         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
1977         and elf_flags_set_.
1978         (Target_sparc::Target_sparc): Initialize new fields.
1979         (Target_sparc::do_make_elf_object): New function.
1980         (Target_sparc::do_adjust_elf_header): New function.
1981
1982 2012-04-23  Cary Coutant  <ccoutant@google.com>
1983
1984         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
1985         CU range table of gdb index.
1986
1987 2012-04-20  David S. Miller  <davem@davemloft.net>
1988
1989         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
1990         instead of false.
1991
1992 2012-04-16  David S. Miller  <davem@davemloft.net>
1993
1994         * sparc.cc (Target_sparc::got_address): New function.
1995         (Sparc_relocate_functions::gdop_hix22): New function.
1996         (Sparc_relocate_functions::gdop_lox10): New function.
1997         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
1998         relocs.
1999         (Target_sparc::Scan::local): Likewise if the global symbol is not
2000         preemptible and is not IFUNC.
2001         (Target_sparc::Relocate::relocate): Perform GOTDATA code
2002         transformations for local and non-preemptible non-IFUNC global
2003         symbols.
2004
2005         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
2006         writing out 64-bit part of ranges.
2007
2008         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
2009         -fpic and -fpie respectively.
2010         * Makefile.in: Regenerate.
2011
2012         * sparc.cc (class Target_sparc): Add rela_ifunc_.
2013         (Target_sparc::Target_sparc): Initialize new field.
2014         (Target_sparc::do_plt_section_for_global): New function.
2015         (Target_sparc::do_plt_section_for_local): New function.
2016         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
2017         (Target_sparc::make_plt_section): New function, broken out of
2018         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
2019         (Target_sparc::make_plt_entry): Call make_plt_section.
2020         (Target_sparc::make_local_ifunc_plt_entry): New function.
2021         (Target_sparc::rela_ifunc_section): New function.
2022         (Target_sparc::plt_section): Remove const.
2023         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
2024         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
2025         and ifunc_count_ fields.
2026         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
2027         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
2028         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
2029         (Output_data_plt_sparc::rela_ifunc): New function.
2030         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
2031         (Output_data_plt_sparc::has_ifunc_section): New function.
2032         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
2033         (Output_data_plt_sparc::address_for_global): New function.
2034         (Output_data_plt_sparc::address_for_local): New function.
2035         (Output_data_plt_sparc::plt_index_to_offset): New function.
2036         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
2037         and entry_count.
2038         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
2039         entry_count.
2040         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
2041         R_SPARC_JMP_IREL to switch.
2042         (Target_sparc::Scan::check_non_pic): Likewise.
2043         (Target_sparc::Scan::local): Handle IFUNC symbols.
2044         (Target_sparc::Scan::local): Likewise.
2045         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
2046         and plt_address_for_local.
2047         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
2048         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
2049
2050         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
2051         (class Output_data_reloc): Adjust calls to Output_reloc_type.
2052         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
2053         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
2054         global relocs too.
2055         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
2056         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
2057         calls.
2058         * sparc.cc (Target_sparc::Scan::global): Likewise.
2059         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2060
2061 2012-04-16  Cary Coutant  <ccoutant@google.com>
2062
2063         * archive.cc (Library_base::should_include_member): Check for
2064         --export-dynamic-symbol.
2065         * options.h (class General_options): Add --export-dynamic-symbol.
2066         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
2067         --export-dynamic-symbol.
2068         (Symbol_table::gc_mark_undef_symbols): Likewise.
2069         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
2070
2071 2012-04-12  David S. Miller  <davem@davemloft.net>
2072
2073         * sparc.cc (Reloc::wdisp10): New relocation method.
2074         (Reloc::h34): Likewise.
2075         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
2076         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
2077         R_SPARC_WDISP10.
2078         (Target_sparc::Scan::local): Likewise.
2079         (Target_sparc::Scan::global): Likewise.
2080         (Target_sparc::Relocate::relocate): Likewise.
2081
2082 2012-04-09  Cary Coutant  <ccoutant@google.com>
2083
2084         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
2085         low_pc == 0.
2086
2087 2012-04-06  Ian Lance Taylor  <iant@google.com>
2088
2089         * timer.cc: #include <unistd.h>.
2090
2091 2012-04-06  Roland McGrath  <mcgrathr@google.com>
2092
2093         * configure.in (AC_CHECK_HEADERS): Add locale.h.
2094         * config.in: Regenerate.
2095         * configure: Regenerate.
2096
2097 2012-04-05  Nick Clifton  <nickc@redhat.com>
2098
2099         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
2100         (AM_LC_MESSAGES): Add.
2101         * aclocal.m4: Regenerate.
2102         * config.in: Regenerate.
2103         * configure: Regenerate.
2104
2105 2012-03-21  Cary Coutant  <ccoutant@google.com>
2106
2107         * Makefile.am: Add gdb-index.cc, gdb-index.h.
2108         * Makefile.in: Regenerate.
2109         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
2110         (Sized_elf_reloc_mapper::symbol_section): New function.
2111         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
2112         (make_elf_reloc_mapper): New function.
2113         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
2114         (Dwarf_abbrev_table::do_read_abbrevs): New function.
2115         (Dwarf_abbrev_table::do_get_abbrev): New function.
2116         (Dwarf_ranges_table::read_ranges_table): New function.
2117         (Dwarf_ranges_table::read_range_list): New function.
2118         (Dwarf_pubnames_table::read_section): New function.
2119         (Dwarf_pubnames_table::read_header): New function.
2120         (Dwarf_pubnames_table::next_name): New function.
2121         (Dwarf_die::Dwarf_die): New function.
2122         (Dwarf_die::read_attributes): New function.
2123         (Dwarf_die::skip_attributes): New function.
2124         (Dwarf_die::set_name): New function.
2125         (Dwarf_die::set_linkage_name): New function.
2126         (Dwarf_die::attribute): New function.
2127         (Dwarf_die::string_attribute): New function.
2128         (Dwarf_die::int_attribute): New function.
2129         (Dwarf_die::uint_attribute): New function.
2130         (Dwarf_die::ref_attribute): New function.
2131         (Dwarf_die::child_offset): New function.
2132         (Dwarf_die::sibling_offset): New function.
2133         (Dwarf_info_reader::check_buffer): New function.
2134         (Dwarf_info_reader::parse): New function.
2135         (Dwarf_info_reader::do_parse): New function.
2136         (Dwarf_info_reader::do_read_string_table): New function.
2137         (Dwarf_info_reader::lookup_reloc): New function.
2138         (Dwarf_info_reader::get_string): New function.
2139         (Dwarf_info_reader::visit_compilation_unit): New function.
2140         (Dwarf_info_reader::visit_type_unit): New function.
2141         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
2142         Sized_elf_reloc_mapper.
2143         (Sized_dwarf_line_info::symbol_section): Remove function.
2144         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
2145         (Sized_dwarf_line_info::read_line_mappings): Remove object
2146         parameter, adjust callers.
2147         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
2148         * dwarf_reader.h: Include <sys/types.h>.
2149         (class Track_relocs): Remove forward declaration.
2150         (class Elf_reloc_mapper): New class.
2151         (class Sized_elf_reloc_mapper): New class.
2152         (class Dwarf_abbrev_table): New class.
2153         (class Dwarf_range_list): New class.
2154         (class Dwarf_ranges_table): New class.
2155         (class Dwarf_pubnames_table): New class.
2156         (class Dwarf_die): New class.
2157         (class Dwarf_info_reader): New class.
2158         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
2159         (Sized_dwarf_line_info::symbol_section): Remove member function.
2160         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
2161         base class.
2162         * gdb-index.cc: New source file.
2163         * gdb-index.h: New source file.
2164         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
2165         and .debug_types sections, call Layout::add_to_gdb_index.
2166         (Sized_relobj_incr::do_section_name): Implement.
2167         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
2168         return type; Implement.
2169         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
2170         return type.
2171         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
2172         parameter list and return type.
2173         (Sized_incr_dynobj::do_section_contents): Likewise.
2174         * layout.cc: Include gdb-index.h.
2175         (Layout::Layout): Initialize gdb_index_data_.
2176         (Layout::init_fixed_output_section): Check for .gdb_index section.
2177         (Layout::add_to_gdb_index): New function. Instantiate.
2178         * layout.h: Add forward declaration for class Gdb_index.
2179         (Layout::add_to_gdb_index): New member function.
2180         (Layout::gdb_index_data_): New data member.
2181         * main.cc: Include gdb-index.h.
2182         (main): Print statistics for gdb index.
2183         * object.cc (Object::section_contents): Move code into
2184         do_section_contents.
2185         (need_decompressed_section): Check for sections needed when building
2186         gdb index.
2187         (build_compressed_section_map): Likewise.
2188         (Sized_relobj_file::do_read_symbols): Need local symbols when building
2189         gdb index.
2190         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
2191         sections; call Layout::add_to_gdb_index.
2192         (Sized_relobj_file::do_decompressed_section_contents): Call
2193         do_section_contents directly.
2194         * object.h (Object::do_section_contents): Adjust parameter list and
2195         return type.
2196         (Object::do_decompressed_section_contents): Call do_section_contents
2197         directly.
2198         (Sized_relobj_file::do_section_contents): Adjust parameter list and
2199         return type.
2200         * options.h (class General_options): Add --gdb-index option.
2201         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
2202         list and return type.
2203         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
2204         * reloc.h (Track_relocs::checkpoint): New function.
2205         (Track_relocs::reset): New function.
2206
2207         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
2208         New test cases.
2209         * testsuite/Makefile.in: Regenerate.
2210         * testsuite/gdb_index_test.cc: New test source file.
2211         * testsuite/gdb_index_test_1.sh: New test source file.
2212         * testsuite/gdb_index_test_2.sh: New test source file.
2213
2214 2012-03-19  Doug Kwan  <dougkwan@google.com>
2215
2216         * arm.cc (Target_arm::do_define_standard_symbols): New method.
2217         (Target_arm::do_finalize_sections): Remove code which defines
2218         __exidx_start and __exidx_end.  Make symbol table parameter
2219         anonymous as it is not used.
2220         * gold.cc (queue_middle_tasks): Call target hook to define any
2221         target-specific symbols.
2222         * target.h (Target::define_standard_symbols): New method.
2223         (Target::do_define_standard_symbols): Same.
2224         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
2225         * testsuite/Makefile.in: Regenerate.
2226         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
2227         and __exidx_end.
2228         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
2229         relocations are generated for __exidx_start and __exidx_end.
2230
2231 2012-03-16  Doug Kwan  <dougkwan@google.com>
2232
2233         * testsuite/Makefile.am: Disable test initpri3b.
2234         * testsuite/Makefile.in: Regenerate.
2235
2236 2012-03-15  Doug Kwan  <dougkwan@google.com>
2237
2238         * arm.cc (Target_arm::got_section): Make .got section read-only
2239         if -z now is given.
2240
2241 2012-03-15  Ian Lance Taylor  <iant@google.com>
2242
2243         PR gold/13850
2244         * layout.cc (Layout::make_output_section): Correctly mark
2245         SHT_INIT_ARRAY, et. al., as relro.
2246
2247 2012-03-14  Doug Kwan  <dougkwan@google.com>
2248
2249         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
2250         dynamic relocations for protected symbols in shared objects.
2251
2252 2012-03-13  Ian Lance Taylor  <iant@google.com>
2253
2254         * resolve.cc (Symbol_table::resolve): When merging common symbols,
2255         keep the larger alignment.
2256
2257 2012-03-12  Cary Coutant  <ccoutant@google.com>
2258
2259         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
2260         handling of DW_LNE_define_file.
2261
2262 2012-03-12  Cary Coutant  <ccoutant@google.com>
2263
2264         * reduced_debug_output.cc
2265         (Output_reduced_debug_info_section::get_die_end): Add new FORM
2266         codes to switch.
2267
2268 2012-02-29  Cary Coutant  <ccoutant@google.com>
2269
2270         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
2271
2272 2012-02-29  Cary Coutant  <ccoutant@google.com>
2273
2274         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2275         Call Object::decompressed_section_contents.
2276         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
2277         New dtor.
2278         (Sized_dwarf_line_info::buffer_start_): New data member.
2279         * merge.cc (Output_merge_data::do_add_input_section): Call
2280         Object::decompressed_section_contents.
2281         (Output_merge_string::do_add_input_section): Likewise.
2282         * object.cc (need_decompressed_section): New function.
2283         (build_compressed_section_map): Decompress sections needed later.
2284         (Sized_relobj_file::do_decompressed_section_contents): New function.
2285         (Sized_relobj_file::do_discard_decompressed_sections): New function.
2286         * object.h (Object::decompressed_section_contents): New function.
2287         (Object::discard_decompressed_sections): New function.
2288         (Object::do_decompressed_section_contents): New function.
2289         (Object::do_discard_decompressed_sections): New function.
2290         (Compressed_section_info): New type.
2291         (Compressed_section_map): Include decompressed section contents.
2292         (Sized_relobj_file::do_decompressed_section_contents): New function.
2293         (Sized_relobj_file::do_discard_decompressed_sections): New function.
2294
2295 2012-02-16  Cary Coutant  <ccoutant@google.com>
2296
2297         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
2298         * testsuite/Makefile.in: Regenerate.
2299
2300 2012-02-14  Cary Coutant  <ccoutant@google.com>
2301
2302         * options.cc (General_options::finalize): Disallow -pie and -static.
2303
2304 2012-02-03  Doug Kwan  <dougkwan@google.com>
2305
2306         * arm.cc (Arm_relocate_functions::abs8,
2307         Arm_relocate_functions::abs16): Use
2308         Bits::has_signed_unsigned_overflow32.
2309         (Arm_relocate_functions::thm_abs8): Correct range of
2310         overflow check.
2311         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
2312         in assertions.
2313
2314 2012-02-02  Doug Kwan  <dougkwan@google.com>
2315
2316         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
2317         position independent outputs, not just shared objects.
2318
2319 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
2320
2321         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
2322         * configure: Regenerated.
2323
2324 2012-01-27  Ian Lance Taylor  <iant@google.com>
2325
2326         * reloc.h (Bits): New class with static functions, copied from
2327         namespace utils in arm.cc.
2328         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
2329         instead.
2330
2331 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2332
2333         * incremental.cc (write_info_blocks): Correct relocation offset.
2334
2335 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2336
2337         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
2338         (Relocate::tls_gd_to_le): Likewise.
2339
2340 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2341
2342         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
2343
2344 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2345
2346         * configure.ac: Check if -mcmodel=medium works.
2347         * configure: Regenerated.
2348
2349 2012-01-24  Cary Coutant  <ccoutant@google.com>
2350
2351         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
2352         definition and ...
2353         (read_unsigned_LEB_128_x): ... this new function.
2354         (read_signed_LEB_128): Replaced with inline definition and ...
2355         (read_signed_LEB_128_x): ... this new function.
2356         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
2357         (read_unsigned_LEB_128): Add inline definition.
2358         (read_signed_LEB_128_x): New function.
2359         (read_signed_LEB_128): Add inline definition.
2360         * testsuite/Makefile.am (leb128_unittest): New unit test.
2361         * testsuite/Makefile.in: Regenerate.
2362         * testsuite/leb128_unittest.cc: New unit test.
2363
2364 2012-01-23  Ian Lance Taylor  <iant@google.com>
2365
2366         PR gold/13617
2367         * i386.cc (Target_i386::do_code_fill): When using a jmp
2368         instruction, pad with nop instructions.
2369         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
2370
2371 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2372
2373         * x86_64.cc (gc_process_relocs): Add typename on types used in
2374         template.
2375         (scan_relocs): Likewise.
2376         (relocate_section): Likewise.
2377         (apply_relocation): Likewise.
2378
2379 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
2380
2381         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
2382         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
2383         under x32.
2384
2385 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
2386
2387         * x86_64.cc: Initial support for x32.
2388
2389 2012-01-03  Cary Coutant  <ccoutant@google.com>
2390
2391         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
2392         Use abstract base class for GOT.
2393         * gold/output.h (class Output_data_got_base): New abstract base class.
2394         (class Output_data_got): Derive from new base class, adjust ctors.
2395         (Output_data_got::reserve_slot): Make virtual; rename to
2396         do_reserve_slot; Adjust callers.
2397         * gold/target.h (Sized_target::init_got_plt_for_update): Return
2398         pointer to abstract base class.
2399         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
2400
2401 2011-12-18  Ian Lance Taylor  <iant@google.com>
2402
2403         * object.h (Relobj::local_symbol_value): New function.
2404         (Relobj::local_plt_offset): New function.
2405         (Relobj::local_has_got_offset): New function.
2406         (Relobj::local_got_offset): New function.
2407         (Relobj::set_local_got_offset): New function.
2408         (Relobj::do_local_symbol_value): New pure virtual function.
2409         (Relobj::do_local_plt_offset): Likewise.
2410         (Relobj::do_local_has_got_offset): Likewise.
2411         (Relobj::do_local_got_offset): Likewise.
2412         (Relobj::do_set_local_got_offset): Likewise.
2413         (Sized_relobj::do_local_has_got_offset): Rename from
2414         local_has_got_offset.
2415         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
2416         (Sized_relobj::do_set_local_got_offset): Rename from
2417         set_local_got_offset.
2418         (Sized_relobj_file::do_local_plt_offset): Rename from
2419         local_plt_offset.
2420         (Sized_relobj_file::do_local_symbol_value): New function.
2421         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
2422         local_plt_offset.
2423         * output.cc (Output_data_got::Got_entry::write): Change object to
2424         Relobj.  Use local_symbol_value.
2425         (Output_data_got::add_global_with_rel): Change rel_dyn to
2426         Output_data_reloc_generic*.  Use add_global_generic.
2427         (Output_data_got::add_global_with_rela): Remove.  Change all
2428         callers to use add_global_with_rel.
2429         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
2430         Output_data_reloc_generic*.  Use add_global_generic.
2431         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
2432         callers to use add_global_pair_with_rel.
2433         (Output_data_got::add_local): Change object to Relobj*.
2434         (Output_data_got::add_local_plt): Likewise.
2435         (Output_data_got::add_local_with_rel): Change object to Relobj*,
2436         change rel_dyn to Output_data_reloc_generic*.  Use
2437         add_local_generic.
2438         (Output_data_got::add_local_with_rela): Remove.  Change all
2439         callers to use all_local_with_rel.
2440         (Output_data_got::add_local_pair_with_rel): Change object to
2441         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
2442         add_output_section_generic.
2443         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
2444         callers to use add_local_pair_with_rel.
2445         (Output_data_got::reserve_local): Change object to Relobj*.
2446         * output.h: (class Output_data_reloc_generic): Add pure virtual
2447         declarations for add_global_generic, add_local_generic,
2448         add_output_section_generic.
2449         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
2450         functions for Output_data_reloc_generic.  Update declarations for
2451         changes listed in output.cc.
2452         (class Output_data_got): Change template parameter to got_size.
2453         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
2454         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
2455         function.
2456         (Sized_relobj_incr::do_local_plt_offset): New function.
2457         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
2458         add_global_generic.
2459
2460 2011-12-17  Cary Coutant  <ccoutant@google.com>
2461
2462         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
2463         * resolve.cc (Symbol_table::resolve): Likewise.
2464         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
2465         arrays.
2466         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
2467
2468 2011-12-16  Ian Lance Taylor  <iant@google.com>
2469
2470         * output.h (Output_data_reloc_generic::add): Only call
2471         add_dynamic_reloc if this is a dynamic reloc section.
2472
2473 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
2474
2475         PR gold/13505
2476         * target-reloc.h (apply_relocation): Replace <64, false> with
2477         <size, big_endian>.
2478
2479 2011-11-25  Nick Clifton  <nickc@redhat.com>
2480
2481         * po/it.po: New Italian translation.
2482
2483 2011-11-17  Sterling Augustine  <saugustine@google.com>
2484
2485         * script.cc (script_include_directive): Implement.
2486         (read_script_file): New local variables name and search_path. Update
2487         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
2488         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
2489         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
2490
2491 2011-11-11  Sterling Augustine  <saugustine@google.com>
2492
2493         * yyscript.y (section_cmd): Add support for INCLUDE directive.
2494         (file_or_sections_cmd): Likewise.
2495
2496 2011-11-11  Doug Kwan  <dougkwan@google.com>
2497
2498         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
2499         if --just-symbols is given.
2500
2501 2011-11-10  Doug Kwan  <dougkwan@google.com>
2502
2503         PR gold/13362
2504         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
2505         when processing data relocs.
2506         * reloc.h (Relocate_functions::rel_unaligned): New method.
2507         (Relocate_functions::pcrel_unaligned): Ditto.
2508         (Relocate_functions::rel32_unaligned): Ditto.
2509         (Relocate_functions::pcrel32_unaligned): Ditto.
2510
2511 2011-11-09  Doug Kwan  <dougkwan@google.com>
2512
2513         PR gold/13362
2514         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
2515         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
2516         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
2517         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
2518         (Relocate_functions::rel_unaligned): New.
2519         (Relocate_functions::rel32_unaligned): New.
2520         * target-reloc.h (relocate_for_relocatable): Add code to handle
2521         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
2522         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
2523         arm_unaligned_reloc_r): New targets.
2524         * testsuite/Makefile.in: Regenerate.
2525         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
2526         linking.
2527
2528 2011-11-02  Ian Lance Taylor  <iant@google.com>
2529
2530         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
2531         NATIVE_LINKER.
2532         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
2533         * options.cc (General_options::finalize): Use library search path
2534         from configure script if specified.  If not native and no sysroot,
2535         only search TOOLLIBDIR.
2536         * options.h (Search_directory::Search_directory): Change name to
2537         const std::string&.
2538         (General_options::add_to_library_path_with_sysroot): Change arg to
2539         const std::string&.
2540         * configure, Makefile.in, config.in: Rebuild.
2541
2542 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2543
2544         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
2545         we are working around the ARM1176 Erratum.
2546         * options.h (General_options::fix_arm1176): Add option.
2547         * testsuite/Makefile.am: Add testcases, and keep current ones
2548         working.
2549         * testsuite/Makefile.in: Regenerate.
2550         * testsuite/arm_fix_1176.s: New file.
2551         * testsuite/arm_fix_1176.sh: Likewise.
2552
2553 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2554
2555         * arm.cc (Target_arm::Target_arm): Remove initialisation of
2556         may_use_blx_.
2557         (Target_arm::may_use_blx): Remove method.
2558         (Target_arm::set_may_use_blx): Likewise.
2559         (Target_arm::may_use_v4t_interworking): New method.
2560         (Target_arm::may_use_v5t_interworking): Likewise.
2561         (Target_arm::may_use_blx_): Remove member variable.
2562         (Arm_relocate_functions::arm_branch_common): Check for v5T
2563         interworking.
2564         (Arm_relocate_functions::thumb_branch_common): Likewise.
2565         (Reloc_stub::stub_type_for_reloc): Likewise.
2566         (Target_arm::do_finalize_sections): Correct interworking checks.
2567         * testsuite/Makefile.am: Add new tests.
2568         * testsuite/Makefile.in: Regenerate.
2569         * testsuite/arm_farcall_arm_arm.s: New test.
2570         * testsuite/arm_farcall_arm_arm.sh: Likewise.
2571         * testsuite/arm_farcall_arm_thumb.s: Likewise.
2572         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
2573         * testsuite/arm_farcall_thumb_arm.s: Likewise.
2574         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
2575         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
2576         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
2577
2578 2011-10-31  Cary Coutant  <ccoutant@google.com>
2579
2580         PR gold/13023
2581         * expression.cc (Expression::eval_with_dot): Add
2582         is_section_dot_assignment parameter.
2583         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
2584         absolute and assigning to dot within a section.
2585         * script-sections.cc
2586         (Output_section_element_assignment::set_section_addresses): Pass
2587         dot_section to set_if_absolute.
2588         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
2589         as is_section_dot_assignment flag to eval_with_dot.
2590         (Output_section_element_dot_assignment::set_section_addresses):
2591         Likewise.
2592         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
2593         parameter.  Also set value if relative to dot_section; set the
2594         symbol's output_section.
2595         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
2596         parameter.  Adjust all callers.
2597         (Expression::eval_maybe_dot): Likewise.
2598         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
2599         Adjust all callers.
2600         * testsuite/script_test_2.t: Test assignment of an absolute value
2601         to dot within an output section element.
2602
2603 2011-10-31  Cary Coutant  <ccoutant@google.com>
2604
2605         * options.h (class General_options): Add --[no-]gnu-unique options.
2606         * symtab.cc (Symbol_table::sized_write_globals): Convert
2607         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
2608
2609 2011-10-31  Cary Coutant  <ccoutant@google.com>
2610
2611         PR gold/13359
2612         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
2613         unnecessary assertion.
2614         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
2615
2616 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
2617
2618         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
2619         gc_mark_symbol.
2620         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
2621         gc_mark_symbol.
2622         Change to just keep the section associated with symbol.
2623         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
2624         they are externally visible and --export-dynamic is turned on.
2625         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
2626
2627 2011-10-19  Ian Lance Taylor  <iant@google.com>
2628
2629         PR gold/13163
2630         * script-sections.cc
2631         (Output_section_element_dot_assignment::needs_output_section): New
2632         function.
2633
2634 2011-10-19  Ian Lance Taylor  <iant@google.com>
2635
2636         PR gold/13204
2637         * layout.cc (Layout::segment_precedes): Don't assert failure if a
2638         --section-start option was seen.
2639         * options.h (General_options::any_section_start): New function.
2640
2641 2011-10-18  David S. Miller  <davem@davemloft.net>
2642
2643         PR binutils/13301
2644         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
2645         member to track relocation locations that have moved during TLS
2646         reloc optimizations.
2647         (Target_sparc::Relocate::Relocate): Initialize to NULL.
2648         (Target_sparc::Relocate::relocate): Adjust view down by 4
2649         bytes if it matches reloc_adjust_addr_.
2650         (Target_sparc::Relocate::relocate_tls): Always move the
2651         __tls_get_addr call delay slot instruction forward 4 bytes when
2652         performing relaxation.
2653
2654 2011-10-18  Cary Coutant  <ccoutant@google.com>
2655
2656         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
2657         (Output_file::map_no_anonymous): Check for non-zero
2658         return code from posix_fallocate.
2659
2660 2011-10-17  Cary Coutant  <ccoutant@google.com>
2661
2662         PR gold/13245
2663         * plugin.cc (is_visible_from_outside): Check for symbols
2664         referenced from dynamic objects.
2665         * resolve.cc (Symbol_table::resolve): Don't count references
2666         from dynamic objects as references from real ELF files.
2667         * testsuite/plugin_test_2.sh: Adjust expected result.
2668
2669 2011-10-17  Cary Coutant  <ccoutant@google.com>
2670
2671         * gold.cc: Include timer.h.
2672         (queue_middle_tasks): Stamp time.
2673         (queue_final_tasks): Likewise.
2674         * main.cc (main): Store timer in parameters.  Print timers
2675         for each pass.
2676         * parameters.cc (Parameters::Parameters): Initialize timer_.
2677         (Parameters::set_timer): New function.
2678         (set_parameters_timer): New function.
2679         * parameters.h (Parameters::set_timer): New function.
2680         (Parameters::timer): New function.
2681         (Parameters::timer_): New data member.
2682         (set_parameters_timer): New function.
2683         * timer.cc (Timer::stamp): New function.
2684         (Timer::get_pass_time): New function.
2685         * timer.h (Timer::stamp): New function.
2686         (Timer::get_pass_time): New function.
2687         (Timer::pass_times_): New data member.
2688
2689 2011-10-17  Cary Coutant  <ccoutant@google.com>
2690
2691         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
2692         task for members of lib groups.
2693
2694 2011-10-17  Cary Coutant  <ccoutant@google.com>
2695
2696         PR gold/13288
2697         * fileread.cc (File_read::find_view): Add assert.
2698         (File_read::make_view): Move bounds check (replace with assert)...
2699         (File_read::find_or_make_view): ... to here.
2700
2701 2011-10-12  Cary Coutant  <ccoutant@google.com>
2702
2703         * output.cc (Output_file::open_base_file): Handle case where
2704         ::read returns less than requested size.
2705
2706 2011-10-10  Cary Coutant  <ccoutant@google.com>
2707
2708         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
2709         Initialize defined_count_.
2710         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
2711         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
2712         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
2713         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
2714         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
2715         * incremental.h (Sized_relobj_incr::defined_count_): New data
2716         member.
2717         (Sized_incr_dynobj::defined_count_): New data member.
2718         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
2719         Return zeroes instead of internal error.
2720
2721 2011-10-10  Cary Coutant  <ccoutant@google.com>
2722
2723         PR gold/13249
2724         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
2725         (Output_reloc::symbol_value): Return PLT offset if flag is set.
2726         * output.h (class Output_reloc): Add use_plt_offset flag.
2727         (Output_reloc::type_): Adjust size of bit field.
2728         (Output_reloc::use_plt_offset_): New bit field.
2729         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
2730         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
2731         flag.  Adjust all callers.
2732         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
2733         creating RELATIVE relocations.
2734
2735 2011-10-10  Nick Clifton  <nickc@redhat.com>
2736
2737         * po/es.po: Updated Spanish translation.
2738         * po/fi.po: Updated Finnish translation.
2739
2740 2011-10-03   Diego Novillo  <dnovillo@google.com>
2741
2742         * options.cc (parse_uint): Fix dereference of RETVAL.
2743
2744 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
2745
2746         * layout.h (section_order_map_): New member.
2747         (get_section_order_map): New member function.
2748         * output.cc (Output_section::add_input_section): Check for patterns
2749         only when --section-ordering-file is specified.
2750         * gold.cc (queue_middle_tasks): Delay updating order of sections till
2751         output_sections have been formed.
2752         * layout.cc (Layout_Layout): Initialize section_order_map_.
2753         * plugin.cc (update_section_order): Store order in order_map. Do not
2754         update the order.
2755         * testsuite/Makefile.am: Add test case for plugin_final_layout.
2756         * testsuite/Makefile.in: Regenerate.
2757         * testsuite/plugin_section_order.c: New file.
2758         * testsuite/plugin_final_layout.cc: New file.
2759         * testsuite/plugin_final_layout.sh: New file.
2760
2761 2011-09-29  Cary Coutant  <ccoutant@google.com>
2762
2763         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2764         Check for NULL.
2765         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
2766         symbols during incremental update.
2767         (Symbol_table::add_from_dynobj): Likewise.
2768
2769 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2770             Ian Lance Taylor  <iant@google.com>
2771
2772         * symtab.cc (Symbol_table::define_special_symbol): Always
2773         canonicalize version string.
2774
2775 2011-09-26  Cary Coutant  <ccoutant@google.com>
2776
2777         * gold.cc (queue_initial_tasks): Move option checks ...
2778         * options.cc (General_options::finalize): ... to here. Disable
2779         some options; make others fatal.
2780
2781 2011-09-26  Cary Coutant  <ccoutant@google.com>
2782
2783         gcc PR lto/47247
2784         * plugin.cc (get_symbols_v2): New function.
2785         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
2786         (is_referenced_from_outside): New function.
2787         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
2788         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
2789         (get_symbols): Pass version parameter.
2790         (get_symbols_v2): New function.
2791         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
2792         parameter.
2793         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
2794         (onload): Add LDPT_GET_SYMBOLS_V2.
2795         (all_symbols_read_hook): Use get_symbols_v2; check for
2796         LDPR_PREVAILING_DEF_IRONLY_EXP.
2797         * testsuite/plugin_test_3.sh: Update expected results.
2798
2799 2011-09-23  Simon Baldwin  <simonb@google.com>
2800
2801         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
2802         configuration options.
2803         * configure: Regenerate.
2804         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
2805         * Makefile.in: Regenerate.
2806         * testsuite/Makefile.in: Regenerate.
2807
2808 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
2809
2810         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
2811
2812 2011-09-19  Cary Coutant  <ccoutant@google.com>
2813
2814         * incremental.cc (can_incremental_update): Fix typo in comment.
2815         * incremental.h (can_incremental_update): Likewise.
2816
2817 2011-09-18  Cary Coutant  <ccoutant@google.com>
2818
2819         * incremental.cc (can_incremental_update): New function.
2820         * incremental.h (can_incremental_update): New function.
2821         * layout.cc (Layout::init_fixed_output_section): Call it.
2822         (Layout::make_output_section): Don't allow patch space in .eh_frame.
2823         * object.cc (Sized_relobj_file::do_layout): Call
2824         can_incremental_update.
2825
2826 2011-09-13  Cary Coutant  <ccoutant@google.com>
2827
2828         * configure.ac: Check for glibc support for gnu_indirect_function
2829         support with static linking, setting automake conditional
2830         IFUNC_STATIC.
2831         * Makefile.in: Regenerate.
2832         * configure: Regenerate.
2833
2834         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
2835         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
2836         for IFUNC_STATIC.
2837         * testsuite/Makefile.in: Regenerate.
2838
2839 2011-09-13  Cary Coutant  <ccoutant@google.com>
2840
2841         * incremental.cc (Sized_relobj_incr::do_layout): Call
2842         report_comdat_group for kept comdat sections.
2843         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
2844         * testsuite/Makefile.in: Regenerate.
2845         * testsuite/incr_comdat_test_1.cc: New source file.
2846         * testsuite/incr_comdat_test_2_v1.cc: New source file.
2847         * testsuite/incr_comdat_test_2_v2.cc: New source file.
2848         * testsuite/incr_comdat_test_2_v3.cc: New source file.
2849
2850 2011-09-13  Ian Lance Taylor  <iant@google.com>
2851
2852         * object.cc (Sized_relobj_file::do_layout): Remove unused local
2853         variable external_symbols_offset.
2854
2855 2011-09-12  Ian Lance Taylor  <iant@google.com>
2856
2857         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
2858         triggered if object has no symbols.
2859
2860 2011-09-09  David S. Miller  <davem@davemloft.net>
2861
2862         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
2863         (Output_fill_debug_line::do_write): Likewise.
2864
2865 2011-08-29  Cary Coutant  <ccoutant@google.com>
2866
2867         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
2868         casts to match formatting specs.
2869         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
2870
2871 2011-08-26  Cary Coutant  <ccoutant@google.com>
2872
2873         * layout.cc (Free_list::allocate): Provide guarantee of minimum
2874         remaining hole size when allocating.
2875         (Layout::make_output_section): Set fill methods for debug sections.
2876         * layout.h (Free_list::Free_list_node): Move from private to
2877         public.
2878         (Free_list::set_min_hole_size): New function.
2879         (Free_list::begin, Free_list::end): New functions.
2880         (Free_list::min_hole_): New data member.
2881         * output.cc: Include dwarf.h.
2882         (Output_fill_debug_info::do_minimum_hole_size): New function.
2883         (Output_fill_debug_info::do_write): New function.
2884         (Output_fill_debug_line::do_minimum_hole_size): New function.
2885         (Output_fill_debug_line::do_write): New function.
2886         (Output_section::Output_section): Initialize new data member.
2887         (Output_section::set_final_data_size): Ensure patch space is larger
2888         than minimum hole size.
2889         (Output_section::do_write): Fill holes in debug sections.
2890         * output.h (Output_fill): New class.
2891         (Output_fill_debug_info): New class.
2892         (Output_fill_debug_line): New class.
2893         (Output_section::set_free_space_fill): New function.
2894         (Output_section::free_space_fill_): New data member.
2895         * testsuite/Makefile.am (incremental_test_3): Add
2896         --incremental-patch option.
2897         (incremental_test_4): Likewise.
2898         (incremental_test_5): Likewise.
2899         (incremental_test_6): Likewise.
2900         (incremental_copy_test): Likewise.
2901         (incremental_common_test_1): Likewise.
2902         * testsuite/Makefile.in: Regenerate.
2903
2904 2011-08-26  Nick Clifton  <nickc@redhat.com>
2905
2906         * po/es.po: Updated Spanish translation.
2907
2908 2011-08-01  Cary Coutant  <ccoutant@google.com>
2909
2910         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
2911         * gold/testsuite/Makefile.in: Regenerate.
2912         * gold/testsuite/justsyms_exec.c: New source file.
2913         * gold/testsuite/justsyms_lib.c: New source file.
2914
2915 2011-08-01  Cary Coutant  <ccoutant@google.com>
2916
2917         * layout.cc (Layout::set_segment_offsets): Don't realign text
2918         segment if -Ttext was specified.
2919         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
2920         file type.
2921         * object.h (Sized_relobj_file::e_type): New function.
2922         (Sized_relobj_file::e_type_): New data member.
2923         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
2924         base address for ET_EXEC files.
2925         * target.cc (Target::do_make_elf_object_implementation): Allow
2926         ET_EXEC files with --just-symbols option.
2927
2928 2011-07-28  Cary Coutant  <ccoutant@google.com>
2929
2930         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
2931         Add thread_number parameter.
2932         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
2933         * workqueue-threads.cc
2934         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
2935         current thread if its thread number is greater than desired thread
2936         count.
2937         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
2938         Add thread_number parameter.
2939         (Workqueue::should_cancel_thread): Likewise.
2940         (Workqueue::find_runnable_or_wait): Pass thread_number to
2941         should_cancel_thread.
2942         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
2943         parameter.
2944
2945 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
2946
2947         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
2948         only after checking if it cannot be forced local.
2949         * symtab.h (is_externally_visible): Check if the symbol is not forced
2950         local.
2951
2952 2011-07-15  Ian Lance Taylor  <iant@google.com>
2953
2954         * options.h (class General_options): Add --print-output-format.
2955         Move -EL next to -EB, for  better --help output.
2956         * target-select.cc: Include <cstdio>, "options.h", and
2957         "parameters.h".
2958         (Target_selector::do_target_bfd_name): New function.
2959         (print_output_format): New function.
2960         * target-select.h (class Target_selector): Update declarations.
2961         (Target_selector::target_bfd_name): New function.
2962         (print_output_format): Declare.
2963         * main.cc: Include "target-select.h".
2964         (main): Handle --print-output-format.
2965         * gold.cc: Include "target-select.h".
2966         (queue_initial_tasks): Handle --print-output-format when there are
2967         no input files.
2968         * parameters.cc (parameters_force_valid_target): Give a better
2969         error message if -EB/-EL does not match target.
2970         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
2971         function.
2972
2973 2011-07-15  Ian Lance Taylor  <iant@google.com>
2974
2975         * i386.cc (class Output_data_plt_i386): Add layout_ field.
2976         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
2977         (Output_data_plt_i386::do_write): Write address of .dynamic
2978         section to first entry in .got.plt section.
2979         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
2980         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2981         Initialize layout_.
2982         (Output_data_plt_x86_64::do_write): Write address of .dynamic
2983         section to first entry in .got.plt section.
2984         * layout.h (Layout::dynamic_section): New function.
2985
2986 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
2987
2988         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
2989         to claim_file call.
2990         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
2991         input_section_position_, and input_section_glob_.
2992         (read_layout_from_file): Call function section_ordering_specified.
2993         * layout.h (is_section_ordering_specified): New function.
2994         (section_ordering_specified): New function.
2995         (section_ordering_specified_): New boolean member.
2996         * main.cc(main): Call load_plugins after layout object is defined.
2997         * output.cc (Output_section::add_input_section): Use
2998         function section_ordering_specified to check if section ordering is
2999         needed.
3000         * output.cc (Output_section::add_relaxed_input_section): Use
3001         function section_ordering_specified to check if section ordering is
3002         needed.
3003         (Output_section::update_section_layout): New function.
3004         (Output_section::sort_attached_input_sections): Check if input section
3005         must be reordered.
3006         * output.h (Output_section::update_section_layout): New function.
3007         * plugin.cc (get_section_count): New function.
3008         (get_section_type): New function.
3009         (get_section_name): New function.
3010         (get_section_contents): New function.
3011         (update_section_order): New function.
3012         (allow_section_ordering): New function.
3013         (Plugin::load): Add the new interfaces to the transfer vector.
3014         (Plugin_manager::load_plugins): New parameter.
3015         (Plugin_manager::all_symbols_read): New parameter.
3016         (Plugin_manager::claim_file): New parameter. Save the elf object for
3017         unclaimed objects.
3018         (Plugin_manager::get_elf_object): New function.
3019         (Plugin_manager::get_view): Change to directly use the bool to check
3020         if get_view is called from claim_file_hook.
3021         * plugin.h (input_objects): New function
3022         (Plugin__manager::load_plugins): New parameter.
3023         (Plugin_manager::claim_file): New parameter.
3024         (Plugin_manager::get_elf_object): New function.
3025         (Plugin_manager::in_claim_file_handler): New function.
3026         (Plugin_manager::in_claim_file_handler_): New member.
3027         (layout): New function.
3028         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
3029         handler with an extra parameter. Make the elf object before calling
3030         claim_file handler.
3031         * testsuite/plugin_test.c (get_section_count): New function pointer.
3032         (get_section_type): New function pointer.
3033         (get_section_name): New function pointer.
3034         (get_section_contents): New function pointer.
3035         (update_section_order): New function pointer.
3036         (allow_section_ordering): New function pointer.
3037         (onload): Check if the new interfaces exist.
3038
3039 2011-07-13  Ian Lance Taylor  <iant@google.com>
3040
3041         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
3042         relro section.
3043         * x86_64.cc (Target_x86_64::got_section): Likewise.
3044         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
3045         (relro_now_test_SOURCES): New variable.
3046         (relro_now_test_DEPENDENCIES): New variable.
3047         (relro_now_test_LDFLAGS): New variable.
3048         (relro_now_test_LDADD): New variable.
3049         (relro_now_test.so): New target.
3050         * testsuite/Makefile.in: Rebuild.
3051
3052 2011-07-12  Ian Lance Taylor  <iant@google.com>
3053
3054         PR gold/12980
3055         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
3056         GLOB_DAT relocation rather than a RELATIVE relocation for a
3057         protected symbol when creating a shared library.
3058         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
3059         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
3060         * testsuite/protected_main_1.cc (main): Test that protected
3061         function has same address.
3062
3063 2011-07-11  Ian Lance Taylor  <iant@google.com>
3064
3065         PR gold/12979
3066         * options.h (class General_options): Add -Bgroup.
3067         * options.cc (General_options::finalize): If -Bgroup is set,
3068         default to --unresolved-symbols=report-all.
3069         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
3070         * target-reloc.h (issue_undefined_symbol_error): Handle
3071         --unresolved-symbols=report-all.
3072
3073 2011-07-08  Ian Lance Taylor  <iant@google.com>
3074
3075         PR gold/11985
3076         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
3077         if linker script discards key sections.
3078         (Layout::create_dynamic_symtab): Likewise.
3079         (Layout::assign_local_dynsym_offsets): Likewise.
3080         (Layout::sized_create_version_sections): Likewise.
3081         (Layout::create_interp): Likewise.
3082         (Layout::finish_dynamic_section): Likewise.
3083         (Layout::set_dynamic_symbol_size): Likewise.
3084
3085 2011-07-08  Ian Lance Taylor  <iant@google.com>
3086
3087         PR gold/12386
3088         * options.h (class General_options): Add --unresolved-symbols.
3089         * target-reloc.h (issue_undefined_symbol_error): Check
3090         --unresolved-symbols.  Add comments.
3091
3092 2011-07-08  Ian Lance Taylor  <iant@google.com>
3093
3094         * testsuite/odr_violation2.cc (Ordering::operator()): Make
3095         expression more complex.
3096
3097 2011-07-08  Ian Lance Taylor  <iant@google.com>
3098
3099         PR gold/11317
3100         * target-reloc.h (issue_undefined_symbol_error): New inline
3101         function, broken out of relocate_section.
3102         (relocate_section): Call issue_undefined_symbol_error.
3103         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
3104         there is no TLS segment if we are about to issue an undefined
3105         symbol error.
3106         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
3107
3108 2011-07-08  Ian Lance Taylor  <iant@google.com>
3109
3110         PR gold/12279
3111         * resolve.cc (Symbol_table::should_override): Add fromtype
3112         parameter.  Change all callers.  Give error when linking together
3113         TLS and non-TLS symbol.
3114         (Symbol_table::should_override_with_special): Add fromtype
3115         parameter.  Change all callers.
3116         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
3117         there is no TLS segment if we have reported some errors.
3118         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
3119
3120 2011-07-08  Ian Lance Taylor  <iant@google.com>
3121
3122         PR gold/12372
3123         * target.h (Target::plt_address_for_global): New function.
3124         (Target::plt_address_for_local): New function.
3125         (Target::plt_section_for_global): Remove.
3126         (Target::plt_section_for_local): Remove.
3127         (Target::do_plt_address_for_global): New virtual function.
3128         (Target::do_plt_address_for_local): New virtual function.
3129         (Target::do_plt_section_for_global): Remove.
3130         (Target::do_plt_section_for_local): Remove.
3131         (Target::register_global_plt_entry): Add Symbol_table and Layout
3132         parameters.
3133         * output.cc (Output_data_got::Got_entry::write): Use
3134         plt_address_for_global and plt_address_for_local.
3135         * layout.cc (Layout::add_target_dynamic_tags): Use size and
3136         address of output section.
3137         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
3138         got_irelative_, and irelative_count_ fields.  Update
3139         declarations.
3140         (Output_data_plt_i386::has_irelative_section): New function.
3141         (Output_data_plt_i386::entry_count): Add irelative_count_.
3142         (Output_data_plt_i386::set_final_data_size): Likewise.
3143         (class Target_i386): Add got_irelative_ and rel_irelative_
3144         fields.  Update declarations.
3145         (Target_i386::Target_i386): Initialize new fields.
3146         (Target_i386::do_plt_address_for_global): New function replacing
3147         do_plt_section_for_global.
3148         (Target_i386::do_plt_address_for_local): New function replacing
3149         do_plt_section_for_local.
3150         (Target_i386::got_section): Create got_irelative_.
3151         (Target_i386::rel_irelative_section): New function.
3152         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
3153         fields.  Don't define __rel_iplt_{start,end}.
3154         (Output_data_plt_i386::add_entry): Add symtab and layout
3155         parameters.  Change all callers.  Use different PLT and GOT for
3156         IFUNC symbols.
3157         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
3158         layout parameters.  Change all callers.  Use different PLT and
3159         GOT.
3160         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
3161         (Output_data_plt_i386::rel_irelative): New function.
3162         (Output_data_plt_i386::address_for_global): New function.
3163         (Output_data_plt_i386::address_for_local): New function.
3164         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
3165         IRELATIVE GOT when changing IFUNC GOT entries.
3166         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
3167         reloc.
3168         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
3169         if we didn't create an IRELATIVE GOT.
3170         (Target_i386::Relocate::relocate): Use plt_address_for_global and
3171         plt_address_for_local.
3172         (Target_i386::do_dynsym_value): Use plt_address_for_global.
3173         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
3174         got_irelative_, and irelative_count_ fields.  Update
3175         declarations.
3176         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
3177         Initialize new fields.  Remove symtab parameter.  Change all
3178         callers.
3179         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
3180         irelative_count_.
3181         (Output_data_plt_x86_64::has_irelative_section): New function.
3182         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
3183         (class Target_x86_64): Add got_irelative_ and rel_irelative_
3184         fields.  Update declarations.
3185         (Target_x86_64::Target_x86_64): Initialize new fields.
3186         (Target_x86_64::do_plt_address_for_global): New function replacing
3187         do_plt_section_for_global.
3188         (Target_x86_64::do_plt_address_for_local): New function replacing
3189         do_plt_section_for_local.
3190         (Target_x86_64::got_section): Create got_irelative_.
3191         (Target_x86_64::rela_irelative_section): New function.
3192         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
3193         all callers.  Don't create __rel_iplt_{start,end}.
3194         (Output_data_plt_x86_64::add_entry): Add symtab and layout
3195         parameters.  Change all callers.  Use different PLT and GOT for
3196         IFUNC symbols.
3197         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
3198         layout parameters.  Change all callers.  Use different PLT and
3199         GOT.
3200         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
3201         parameters.  Change all callers.  Use different PLT and GOT for
3202         IFUNC symbols.
3203         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
3204         (Output_data_plt_x86_64::rela_irelative): New function.
3205         (Output_data_plt_x86_64::address_for_global): New function.
3206         (Output_data_plt_x86_64::address_for_local): New function.
3207         (Output_data_plt_x86_64::set_final_data_size): Likewise.
3208         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
3209         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
3210         (Target_x86_64::register_global_plt_entry): Add symtab and layout
3211         parameters.
3212         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
3213         reloc.
3214         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
3215         symbols if we didn't create an IRELATIVE GOT.
3216         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
3217         plt_address_for_local.
3218         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
3219         * testsuite/ifuncvar1.c: New test file.
3220         * testsuite/ifuncvar2.c: New test file.
3221         * testsuite/ifuncvar3.c: New test file.
3222         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
3223         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
3224         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
3225         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
3226         * testsuite/Makefile.in: Rebuild.
3227
3228 2011-07-07  Cary Coutant  <ccoutant@google.com>
3229
3230         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
3231         (two_file_test_1_ndebug.o): Likewise.
3232         (two_file_test_1b_ndebug.o): Likewise.
3233         (two_file_test_2_ndebug.o): Likewise.
3234         (two_file_test_main_ndebug.o): Likewise.
3235         (incremental_test_2): Link with no-debug versions.
3236
3237 2011-07-06  Cary Coutant  <ccoutant@google.com>
3238
3239         * gold/incremental.cc
3240         (Output_section_incremental_inputs::write_info_blocks): Check for
3241         hidden and internal symbols.
3242
3243 2011-07-06  Cary Coutant  <ccoutant@google.com>
3244
3245         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
3246         Check disposition for startup file.
3247         (Incremental_inputs::report_command_line): Ignore
3248         --incremental-startup-unchanged option.
3249         * options.cc (General_options::parse_incremental_startup_unchanged):
3250         New function.
3251         (General_options::General_options): Initialize new data member.
3252         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
3253         (General_options): Add --incremental-startup-unchanged option.
3254         (General_options::incremental_startup_disposition): New function.
3255         (General_options::incremental_startup_disposition_): New data member.
3256
3257 2011-07-06  Cary Coutant  <ccoutant@google.com>
3258
3259         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
3260         input file index to Script_info ctor.
3261         (Sized_incremental_binary::do_file_has_changed): Find the
3262         command-line argument for files named in scripts.
3263         * incremental.h (Script_info::Script_info): New ctor
3264         with input file index.
3265         (Script_info::input_file_index): New function.
3266         (Script_info::input_file_index_): New data member.
3267         (Incremental_binary::get_library): Add const.
3268         (Incremental_binary::get_script_info): Add const.
3269         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
3270         * testsuite/Makefile.am (incremental_test_5): New test case.
3271         (incremental_test_6): New test case.
3272         * testsuite/Makefile.in: Regenerate.
3273
3274 2011-07-06  Cary Coutant  <ccoutant@google.com>
3275
3276         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
3277         debug output when command lines differ.
3278
3279 2011-07-06  Cary Coutant  <ccoutant@google.com>
3280
3281         * incremental.cc (Incremental_inputs::report_command_line): Ignore
3282         --incremental-patch option.
3283         * layout.cc (Free_list::allocate): Extend allocation beyond original
3284         end if enabled.
3285         (Layout::make_output_section): Mark sections that should get
3286         patch space.
3287         * options.cc (parse_percent): New function.
3288         * options.h (parse_percent): New function.
3289         (DEFINE_percent): New macro.
3290         (General_options): Add --incremental-patch option.
3291         * output.cc (Output_section::Output_section): Initialize new data
3292         members.
3293         (Output_section::add_input_section): Print section name when out
3294         of patch space.
3295         (Output_section::add_output_section_data): Likewise.
3296         (Output_section::set_final_data_size): Add patch space when
3297         doing --incremental-full.
3298         (Output_section::do_reset_address_and_file_offset): Remove patch
3299         space.
3300         (Output_segment::set_section_list_addresses): Print debug output
3301         only if --incremental-update.
3302         * output.h (Output_section::set_is_patch_space_allowed): New function.
3303         (Output_section::is_patch_space_allowed_): New data member.
3304         (Output_section::patch_space_): New data member.
3305         * parameters.cc (Parameters::incremental_full): New function.
3306         * parameters.h (Parameters::incremental_full): New function
3307         * testsuite/Makefile.am (incremental_test_2): Add test for
3308         --incremental-patch option.
3309         * testsuite/Makefile.in: Regenerate.
3310         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
3311         (t18): Remove function body.
3312
3313 2011-07-05  Doug Kwan  <dougkwan@google.com>
3314
3315         PR gold/12771
3316         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
3317         Arm_Address type for relocation result.
3318         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
3319         overflow check.
3320         (Arm_relocate_functions::abs32): Use unaligned access.
3321         (Arm_relocate_functions::rel32): Ditto.
3322         (Arm_relocate_functions::prel31): Ditto.
3323         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
3324         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
3325         static data relocations.
3326         * testsuite/Makefile.in: Regnerate.
3327         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
3328
3329 2011-07-05  Ian Lance Taylor  <iant@google.com>
3330
3331         PR gold/12392
3332         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
3333         symbols if necessary.
3334         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3335
3336 2011-07-05  Ian Lance Taylor  <iant@google.com>
3337
3338         PR gold/12952
3339         * resolve.cc (Symbol::override_base_with_special): Simply override
3340         version with special symbol version, ignoring previous version.
3341
3342 2011-07-05  Ian Lance Taylor  <iant@google.com>
3343
3344         * object.cc (Sized_relobj_file::include_section_group): Add
3345         information to comment about signature location.
3346
3347 2011-07-02  Ian Lance Taylor  <iant@google.com>
3348
3349         PR gold/12957
3350         * options.h (class General_options): Add -f and -F.
3351         * options.cc (General_options::finalize): Fatal error if -f/-F
3352         are used without -shared.
3353         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
3354
3355 2011-07-02  Ian Lance Taylor  <iant@google.com>
3356
3357         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
3358
3359 2011-07-01  Ian Lance Taylor  <iant@google.com>
3360
3361         PR gold/12525
3362         PR gold/12952
3363         * resolve.cc (Symbol::override_base_with_special): Don't override
3364         the version if the overriding symbol has a different name.
3365         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
3366         all callers.  If we give an error about an undefined version,
3367         define the base version if necessary.
3368         * dynobj.h (class Versions): Update declaration.
3369         * testsuite/weak_alias_test_5.cc: New file.
3370         * testsuite/weak_alias_test.script: New file.
3371         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
3372         and versioned_alias have the right value, and call t2.
3373         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
3374         weak_alias_test_5.so.
3375         (weak_alias_test_LDADD): Likewise.
3376         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
3377         * testsuite/Makefile.in: Rebuild.
3378
3379 2011-07-01  Ian Lance Taylor  <iant@google.com>
3380
3381         PR gold/12525
3382         * options.h (class General_options): Support -z notext.
3383         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
3384         -Wl,-z,notext.
3385         (two_file_shared_nonpic.so): Likewise.
3386         (two_file_shared_mixed.so): Likewise.
3387         (two_file_shared_mixed_1.so): Likewise.
3388         (weak_undef_lib_nonpic.so): Likewise.
3389         (alt/weak_undef_lib_nonpic.so): Likewise.
3390         (tls_test_shared_nonpic.so): Likewise.
3391         * testsuite/Makefile.in: Rebuild.
3392
3393 2011-07-01  Ian Lance Taylor  <iant@google.com>
3394
3395         PR gold/12525
3396         * configure.ac: Test whether static linking works, setting
3397         the automake conditional HAVE_STATIC.
3398         * testsuite/Makefile.am: Disable tests using -static if
3399         HAVE_STATIC is not true.
3400         * configure, testsuite/Makefile.in: Rebuild.
3401
3402 2011-07-01  Ian Lance Taylor  <iant@google.com>
3403
3404         PR gold/12525
3405         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
3406         Assert if we see DW_EH_PE_indirect.
3407         * target.h (Target::ehframe_datarel_base): New function.
3408         (Target::do_ehframe_datarel_base): New target function.
3409         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
3410         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
3411         function.
3412
3413 2011-07-01  Ian Lance Taylor  <iant@google.com>
3414
3415         PR gold/12571
3416         * options.h (class General_options): Add
3417         --ld-generated-unwind-info.
3418         * ehframe.cc (Fde::write): Add address parameter.  Change all
3419         callers.  If associated with PLT, fill in address and size.
3420         (Cie::set_output_offset): Only add merge mapping if there is an
3421         object.
3422         (Cie::write): Add address parameter.  Change all callers.
3423         (Eh_frame::add_ehframe_for_plt): New function.
3424         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
3425         input_offset_ fields into union u_, with new plt field.
3426         (Fde::Fde): Adjust for new union field.
3427         (Fde::Fde) [Output_data version]: New constructor.
3428         (Fde::add_mapping): Only add merge mapping if there is an object.
3429         (class Cie): Update declarations.
3430         (class Eh_frame): Declare add_ehframe_for_plt.
3431         * layout.cc (Layout::layout_eh_frame): Break out code into
3432         make_eh_frame_section, and call it.
3433         (Layout::make_eh_frame_section): New function.
3434         (Layout::add_eh_frame_for_plt): New function.
3435         * layout.h (class Layout): Update declarations.
3436         * merge.cc (Merge_map::add_mapping): Add assertion.
3437         * i386.cc: Include "dwarf.h".
3438         (class Output_data_plt_i386): Make first_plt_entry,
3439         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
3440         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
3441         and plt_eh_frame_fde.
3442         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
3443         boundary.  Call add_eh_frame_for_plt if appropriate.
3444         * x86_64.cc: Include "dwarf.h".
3445         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
3446         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
3447         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
3448         and plt_eh_frame_fde.
3449         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
3450         appropriate.
3451
3452 2011-06-29  Ian Lance Taylor  <iant@google.com>
3453
3454         PR gold/12629
3455         * object.cc (Sized_relobj_file::layout_section): Change shdr
3456         parameter to be const.
3457         (Sized_relobj_file::layout_eh_frame_section): New function, broken
3458         out of do_layout.
3459         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
3460         appropriate.  Call layout_eh_frame_section.
3461         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
3462         sections.
3463         * object.h (class Sized_relobj_file): Update declarations.
3464
3465 2011-06-29  Ian Lance Taylor  <iant@google.com>
3466
3467         PR gold/12652
3468         * script.cc (Token::integer_value): Accept trailing M/m/K/k
3469         modifier.
3470         (Lex::gather_token): Accept trailing M/m/K/k for integers.
3471
3472 2011-06-29  Ian Lance Taylor  <iant@google.com>
3473
3474         PR gold/12675
3475         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
3476         SHT_X86_64_UNWIND.
3477         * layout.cc (Layout::layout_eh_frame): Likewise.
3478
3479 2011-06-29  Ian Lance Taylor  <iant@google.com>
3480
3481         PR gold/12695
3482         * layout.cc (Layout::symtab_section_shndx): New function.
3483         * layout.h (class Layout): Declare symtab_section_shndx.
3484         * output.cc (Output_section::write_header): Call it.
3485
3486 2011-06-29  Ian Lance Taylor  <iant@google.com>
3487
3488         PR gold/12818
3489         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
3490         symbols which are not used in a relocation.
3491
3492 2011-06-28  Ian Lance Taylor  <iant@google.com>
3493
3494         PR gold/12898
3495         * layout.cc (Layout::segment_precedes): Don't crash if a linker
3496         script create indistinguishable segments.
3497         (Layout::set_segment_offsets): Use stable_sort when sorting
3498         segments.  Pass this to Compare_segments constructor.
3499         * layout.h (class Layout): Make segment_precedes non-static.
3500         (class Compare_segments): Change from struct to class.  Add
3501         layout_ field.  Add constructor.
3502         * script-sections.cc
3503         (Script_sections::attach_sections_using_phdrs_clause): Rename
3504         local orphan to is_orphan.  Don't report failure to put empty
3505         section in segment.  On attachment failure, report name of
3506         section, and attach to first PT_LOAD segment.
3507
3508 2011-06-28  Ian Lance Taylor  <iant@google.com>
3509
3510         PR gold/12934
3511         * target-select.cc (Target_selector::Target_selector): Add
3512         emulation parameter.  Change all callers.
3513         (select_target_by_bfd_name): Rename from select_target_by_name.
3514         Change all callers.
3515         (select_target_by_emulation): New function.
3516         (supported_emulation_names): New function.
3517         * target-select.h (class Target_selector): Add emulation_ field.
3518         Update declarations.
3519         (Target_selector::recognize_by_bfd_name): Rename from
3520         recognize_by_name.  Change all callers.
3521         (Target_selector::supported_bfd_names): Rename from
3522         supported_names.  Change all callers.
3523         (Target_selector::recognize_by_emulation): New function.
3524         (Target_selector::supported_emulations): New function.
3525         (Target_selector::emulation): New function.
3526         (Target_selector::do_recognize_by_bfd_name): Rename from
3527         do_recognize_by_name.  Change all callers.
3528         (Target_selector::do_supported_bfd_names): Rename from
3529         do_supported_names.  Change all callers.
3530         (Target_selector::do_recognize_by_emulation): New function.
3531         (Target_selector::do_supported_emulations): New function.
3532         (select_target_by_bfd_name): Change name in declaration.
3533         (select_target_by_emulation): Declare.
3534         (supported_emulation_names): Declare.
3535         * parameters.cc (parameters_force_valid_target): Try to find
3536         target based on emulation from -m option.
3537         * options.h (class General_options): Change doc string for -m.
3538         * options.cc (help): Print emulations.
3539         (General_options::parse_V): Likewise.
3540         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
3541         Add emulation parameter.  Change all callers.
3542
3543 2011-06-28  Ian Lance Taylor  <iant@google.com>
3544
3545         * target.h (class Target): Add osabi_ field.
3546         (Target::osabi): New function.
3547         (Target::set_osabi): New function.
3548         (Target::Target): Initialize osabi_.
3549         (Target::do_adjust_elf_header): Make pure virtual.
3550         (Sized_target::do_adjust_elf_header): Declare.
3551         * target.cc (Sized_target::do_adjust_elf_header): New function.
3552         (class Sized_target): Instantiate all versions.
3553         * freebsd.h (class Target_freebsd): Remove.
3554         (Target_selector_freebsd::do_recognize): Call set_osabi on
3555         Target.
3556         (Target_selector_freebsd::do_recognize_by_name): Likewise.
3557         (Target_selector_freebsd::set_osabi): Remove.
3558         * i386.cc (class Target_i386): Inherit from Sized_target rather
3559         than Target_freebsd.
3560         * x86_64.cc (class Target_x86_64): Likewise.
3561
3562 2011-06-28  Ian Lance Taylor  <iant@google.com>
3563
3564         * target.h (Target::can_check_for_function_pointers): Rewrite.
3565         Make non-virtual.
3566         (Target::can_icf_inline_merge_sections): Likewise.
3567         (Target::section_may_have_icf_unsafe_poineters): Likewise.
3568         (Target::Target_info): Add can_icf_inline_merge_sections field.
3569         (Target::do_can_check_for_function_pointers): New virtual
3570         function.
3571         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
3572         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
3573         from can_check_for_function_pointers, move in file.
3574         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
3575         section_may_have_icf_unsafe_poineters, move in file.
3576         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
3577         * i386.cc (Target_i386::do_can_check_for_function_pointers):
3578         Rename from can_check_for_function_pointers, move in file.
3579         (Target_i386::can_icf_inline_merge_sections): Remove.
3580         (Target_i386::i386_info): Initialize
3581         can_icf_inline_merge_sections.
3582         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
3583         Initialize can_icf_inline_merge_sections.
3584         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
3585         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
3586         Rename from can_check_for_function_pointers, move in file.
3587         (Target_x86_64::can_icf_inline_merge_sections): Remove.
3588         (Target_x86_64::x86_64_info): Initialize
3589         can_icf_inline_merge_sections.
3590         * testsuite/testfile.cc (Target_test::test_target_info):
3591         Likewise.
3592         * icf.cc (get_section_contents): Correct formatting.
3593
3594 2011-06-27  Ian Lance Taylor  <iant@google.com>
3595
3596         * symtab.cc (Symbol::versioned_name): New function.
3597         (Symbol_table::add_to_final_symtab): Use versioned_name when
3598         appropriate.
3599         (Symbol_table::sized_write_symbol): Likewise.
3600         * symtab.h (class Symbol): Declare versioned_name.
3601         * stringpool.h (class Stringpool_template): Add variant of add
3602         which takes a std::basic_string.
3603         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
3604         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
3605         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
3606         (ver_test_12.o): New target.
3607         * testsuite/Makefile.in: Rebuild.
3608
3609 2011-06-27  Doug Kwan  <dougkwan@google.com>
3610
3611         * arm.cc (Arm_relocate_functions::thm_jump8,
3612         Arm_relocate_functions::thm_jump11): Use a wider signed
3613         type to compute offset.
3614         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
3615         arm_thm_jump8.
3616         * testsuite/Makefile.in: Regenerate.
3617         * testsuite/arm_branch_in_range.sh: Check test results of
3618         arm_thm_jump11 and arm_thm_jump8.
3619         * testsuite/arm_thm_jump11.s: New test source file.
3620         * testsuite/arm_thm_jump11.t: New linker script.
3621         * testsuite/arm_thm_jump8.s: New test source file.
3622         * testsuite/arm_thm_jump8.t: New linker script.
3623
3624 2011-06-24  Ian Lance Taylor  <iant@google.com>
3625
3626         * layout.cc: Include "object.h".
3627         (ctors_sections_in_init_array): New static variable.
3628         (Layout::is_ctors_in_init_array): New function.
3629         (Layout::layout): Add entry to ctors_sections_in_init_array if
3630         appropriate.
3631         * layout.h (class Layout): Declare is_ctors_in_init_array.
3632         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
3633         is_ctors_reverse_view is set.
3634         (Sized_relobj_file::write_sections): Add layout parameter.  Change
3635         all callers.  Set is_ctors_reverse_view field of View_size.
3636         (Sized_relobj_file::reverse_words): New function.
3637         * object.h (Sized_relobj_file::View_size): Add
3638         is_ctors_reverse_view field.
3639         (class Sized_relobj_file): Update declarations.
3640         * testsuite/initpri3.c: New test.
3641         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
3642         initpri3b.
3643         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
3644         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
3645         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
3646         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
3647         * testsuite/Makefile.in: Rebuild.
3648
3649 2011-06-24  Cary Coutant  <ccoutant@google.com>
3650
3651         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
3652         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
3653         (debug_msg_cdebug.err): New targets.
3654         * testsuite/Makefile.in: Regenerate.
3655         * testsuite/debug_msg.sh: Check output of link with compressed debug.
3656         Fix checks for link with shared library.
3657
3658 2011-06-24  Doug Kwan  <dougkwan@google.com>
3659
3660         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
3661         skip empty text sections.
3662         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
3663
3664 2011-06-22  Ian Lance Taylor  <iant@google.com>
3665
3666         PR gold/12910
3667         * options.h (class General_options): Add --ctors-in-init-array.
3668         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
3669         friends as SHT_PROGBITS for merging sections.
3670         (Layout::layout): Remove special handling of .init_array and
3671         friends.  Don't sort if doing relocatable link.  Sort for .ctors
3672         and .dtors if ctors_in_init_array.
3673         (Layout::make_output_section): Force correct section types for
3674         .init_array and friends.  Don't sort if doing relocatable link,
3675         Don't sort .ctors and .dtors if ctors_in_init_array.
3676         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
3677         (Layout::output_section_name): Add relobj parameter.  Change all
3678         callers.  Handle .ctors. and .dtors. in code rather than table.
3679         Handle .ctors and .dtors if ctors_in_init_array.
3680         (Layout::match_file_name): New function, moved from output.cc.
3681         * layout.h (class Layout): Update declarations.
3682         * output.cc: Include "layout.h".
3683         (Input_section_sort_entry::get_priority): New function.
3684         (Input_section_sort_entry::match_file_name): Just call
3685         Layout::match_file_name.
3686         (Output_section::Input_section_sort_init_fini_compare::operator()):
3687         Handle .ctors and .dtors.  Sort by explicit priority rather than
3688         by name.
3689         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
3690         * testsuite/initpri2.c: New test.
3691         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
3692         (check_PROGRAMS): Add initpri2.
3693         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
3694         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
3695         * configure, testsuite/Makefile.in: Rebuild.
3696
3697 2011-06-19  Ian Lance Taylor  <iant@google.com>
3698
3699         PR gold/12880
3700         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
3701         .interp section to a PT_INTERP segment even if we have seen a
3702         --dynamic-linker option.  Don't do it if we have seen a PHDRS
3703         clause in a linker script.
3704         (Layout::finalize): Don't create a .interp section if we've
3705         already create a PT_INTERP segment.
3706         (Layout::create_interp): Always call choose_output_section (revert
3707         patch of 2011-06-17).  Don't create PT_INTERP segment.
3708         * script-sections.cc
3709         (Script_sections::create_note_and_tls_segments): Add a .interp
3710         section to a PT_INTERP segment even if we have seen a
3711         --dynamic-linker option.
3712
3713 2011-06-18  Ian Lance Taylor  <iant@google.com>
3714
3715         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
3716         merely because a non-PT_LOAD segment has a dynamic reloc.
3717
3718 2011-06-18  Ian Lance Taylor  <iant@google.com>
3719
3720         * layout.cc (Layout::finish_dynamic_section): Don't create
3721         DT_FLAGS entry if not needed.
3722
3723 2011-06-18  Ian Lance Taylor  <iant@google.com>
3724
3725         PR gold/12745
3726         * layout.cc (Layout::layout_eh_frame): Correct handling of
3727         writable .eh_frame section.
3728
3729 2011-06-17  Ian Lance Taylor  <iant@google.com>
3730
3731         PR gold/12893
3732         * resolve.cc (Symbol_table::resolve): Don't give an error if a
3733         symbol is redefined with the exact same object and value.
3734
3735 2011-06-17  Ian Lance Taylor  <iant@google.com>
3736
3737         PR gold/12880
3738         * layout.h (class Layout): Add interp_segment_ field.
3739         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
3740         (Layout::attach_allocated_section_to_segment): If making shared
3741         library, put .interp section in PT_INTERP segment.
3742         (Layout::finalize): Also call create_interp if -dynamic-linker
3743         option was used.
3744         (Layout::create_interp): Assert that there is no PT_INTERP
3745         segment.  If not using a SECTIONS clause, use make_output_section.
3746         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
3747         * script-sections.cc
3748         (Script_sections::create_note_and_tls_segments): If making shared
3749         library, put .interp section in PT_INTERP segment.
3750
3751 2011-06-17  Ian Lance Taylor  <iant@google.com>
3752
3753         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
3754         when making a shared library.
3755
3756 2011-06-17  Ian Lance Taylor  <iant@google.com>
3757
3758         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
3759         parameter.  Change all callers.  Don't issue warning about PC32
3760         against locally defined symbol.
3761
3762 2011-06-16  Ian Lance Taylor  <iant@google.com>
3763
3764         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
3765         occurs in same object.
3766
3767 2011-06-14  Alan Modra  <amodra@gmail.com>
3768
3769         * po/POTFILES.in: Regenerate.
3770
3771 2011-06-09  Ian Lance Taylor  <iant@google.com>
3772
3773         * script-sections.cc
3774         (Orphan_output_section::set_section_addresses): For a relocatable
3775         link set address to 0.
3776
3777 2011-06-09  Cary Coutant  <ccoutant@google.com>
3778
3779         PR gold/12804
3780         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
3781         used with --compress-debug-sections.
3782         * gold/object.cc (Sized_relobj_file::do_layout): Report
3783         uncompressed size of compressed input sections.
3784
3785 2011-06-08  Cary Coutant  <ccoutant@google.com>
3786
3787         PR gold/12804
3788         * testsuite/two_file_test_2_v1.cc: Change initialization of
3789         v2 to keep it in .data.
3790
3791 2011-06-07  Cary Coutant  <ccoutant@google.com>
3792
3793         * common.cc (Symbol_table::do_allocate_commons_list): Call
3794         gold_fallback.
3795         * errors.cc (Errors::fatal): Adjust call to gold_exit.
3796         (Errors::fallback): New function.
3797         (gold_fallback): New function.
3798         * errors.h (Errors::fallback): New function.
3799         * gold.cc (gold_exit): Change status parameter to enum; adjust
3800         all callers.
3801         (queue_initial_tasks): Call gold_fallback.
3802         * gold.h: Include cstdlib.
3803         (Exit_status): New enum type.
3804         (gold_exit): Change status parameter to enum.
3805         (gold_fallback): New function.
3806         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
3807         (Layout::create_symtab_sections): Likewise.
3808         (Layout::create_shdrs): Likewise.
3809         * main.cc (main): Adjust call to gold_exit.
3810         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
3811         (Output_data_got::add_got_entry_pair): Likewise.
3812         (Output_section::add_input_section): Likewise.
3813         (Output_section::add_output_section_data): Likewise.
3814         (Output_segment::set_section_list_addresses): Likewise.
3815         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
3816
3817 2011-06-07  Cary Coutant  <ccoutant@google.com>
3818
3819         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
3820         for incremental links.
3821         * output.cc (Output_segment::set_section_list_addresses): Remove
3822         FIXME and test for TLS or BSS.
3823
3824 2011-06-07  Cary Coutant  <ccoutant@google.com>
3825
3826         * testsuite/Makefile.am: Add incremental_copy_test,
3827         incremental_common_test_1.
3828         * testsuite/Makefile.in: Regenerate.
3829         * testsuite/common_test_1_v1.c: New source file.
3830         * testsuite/common_test_1_v2.c: New source file.
3831         * testsuite/copy_test_v1.cc: New source file.
3832
3833 2011-06-07  Cary Coutant  <ccoutant@google.com>
3834
3835         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
3836         update, allocate common from bss section's free list.
3837         * incremental-dump.cc (dump_incremental_inputs): Print flag for
3838         linker-defined symbols.
3839         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
3840         Skip GOT and PLT entries that are no longer referenced.
3841         (Output_section_incremental_inputs::write_info_blocks): Mark
3842         linker-defined symbols.
3843         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
3844         * output.cc (Output_section::allocate): New function.
3845         * output.h (Output_section::allocate): New function.
3846         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
3847         linker-defined symbols.
3848         (Symbol::override_base_with_special): Copy is_predefined_ flag.
3849         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
3850         (Symbol::init_base_output_data): Likewise.
3851         (Symbol::init_base_output_segment): Likewise.
3852         (Symbol::init_base_constant): Likewise.
3853         (Sized_symbol::init_output_data): Likewise.
3854         (Sized_symbol::init_output_segment): Likewise.
3855         (Sized_symbol::init_constant): Likewise.
3856         (Symbol_table::do_define_in_output_data): Likewise.
3857         (Symbol_table::do_define_in_output_segment): Likewise.
3858         (Symbol_table::do_define_as_constant): Likewise.
3859         * symtab.h (Symbol::is_predefined): New function.
3860         (Symbol::init_base_output_data): Add is_predefined parameter.
3861         (Symbol::init_base_output_segment): Likewise.
3862         (Symbol::init_base_constant): Likewise.
3863         (Symbol::is_predefined_): New data member.
3864         (Sized_symbol::init_output_data): Add is_predefined parameter.
3865         (Sized_symbol::init_output_segment): Likewise.
3866         (Sized_symbol::init_constant): Likewise.
3867         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
3868
3869 2011-06-07  Cary Coutant  <ccoutant@google.com>
3870
3871         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
3872         instead of emit_copy_reloc.
3873         (Copy_relocs::emit_copy_reloc): Refactor.
3874         (Copy_relocs::make_copy_reloc): New function.
3875         (Copy_relocs::add_copy_reloc): Remove.
3876         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
3877         section.
3878         (Copy_relocs::make_copy_reloc): New function.
3879         (Copy_relocs::add_copy_reloc): Remove.
3880         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
3881         unchanged input files.
3882         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
3883         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
3884         Reserve BSS space for COPY relocations.
3885         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3886         (Output_section_incremental_inputs::write_info_blocks): Record
3887         whether a symbol is copied from a shared object.
3888         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
3889         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
3890         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
3891         (Incremental_input_entry_reader::get_output_symbol_index): Add
3892         is_copy parameter.
3893         (Incremental_binary::emit_copy_relocs): New function.
3894         (Incremental_binary::do_emit_copy_relocs): New function.
3895         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3896         new data member.
3897         (Sized_incremental_binary::add_copy_reloc): New function.
3898         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3899         (Sized_incremental_binary::Copy_reloc): New struct.
3900         (Sized_incremental_binary::Copy_relocs): New typedef.
3901         (Sized_incremental_binary::copy_relocs_): New data member.
3902         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
3903         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
3904         * target.h (Sized_target::emit_copy_reloc): New function.
3905         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
3906
3907 2011-06-02  Cary Coutant  <ccoutant@google.com>
3908
3909         PR gold/12163
3910         * gold/archive.cc (Archive::Archive): Initialize new data member.
3911         (Archive::include_all_members): Return if archive has already been
3912         included.
3913         * gold/archive.h (Archive::include_all_members_): New data member.
3914
3915 2011-06-02  Nick Clifton  <nickc@redhat.com>
3916
3917         * dynobj.h: Fix spelling mistake in comment.
3918         * output.cc: Likewise.
3919
3920 2011-05-31  Doug Kwan  <dougkwan@google.com>
3921             Asier Llano
3922
3923         PR gold/12826
3924         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
3925         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
3926         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
3927         redundant arm_exidx_test.so.
3928         * testsuite/Makefile.in: Regenerate.
3929         (check_SCRIPTS): Add pr12826.sh
3930         (check_DATA): Add pr12826.stdout
3931         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
3932         * testsuite/pr12826.sh: New file.
3933         * testsuite/pr12826_1.s: Ditto.
3934         * testsuite/pr12826_1.s: Ditto.
3935
3936 2011-05-30  Ian Lance Taylor  <iant@google.com>
3937
3938         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
3939         sections.
3940
3941 2011-05-29  Ian Lance Taylor  <iant@google.com>
3942
3943         PR gold/12804
3944         * testsuite/Makefile.am: Use different file name for two_file_test
3945         temporary file for each incremental test.
3946         * testsuite/Makefile.in: Rebuild.
3947
3948 2011-05-29  Ian Lance Taylor  <iant@google.com>
3949
3950         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
3951         binary input file is empty.
3952
3953 2011-05-27  Ian Lance Taylor  <iant@google.com>
3954
3955         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
3956         (ver_test_9.so): Likewise.
3957         * testsuite/Makefile.in: Rebuild.
3958
3959 2011-05-26 Cary Coutant  <ccoutant@google.com>
3960
3961         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
3962         * incremental.cc (Incremental_inputs::report_input_section): Fix
3963         comment, indentation.
3964         (Incremental_inputs::report_comdat_group): New function.
3965         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3966         of data for incremental input file entry.
3967         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
3968         group count, COMDAT group signatures.
3969         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
3970         an unchanged input file.
3971         * incremental.h (Incremental_object_entry::Incremental_object_entry):
3972         Initialize new data member.
3973         (Incremental_object_entry::add_comdat_group): New function.
3974         (Incremental_object_entry::get_comdat_group_count): New function.
3975         (Incremental_object_entry::get_comdat_signature_key): New function.
3976         (Incremental_object_entry::groups_): New data member.
3977         (Incremental_inputs::report_comdat_group): New function.
3978         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
3979         data for incremental input file entry.
3980         (Incremental_input_entry_reader::get_comdat_group_count): New function.
3981         (Incremental_input_entry_reader::get_input_section): Adjust size of
3982         data for incremental input file entry.
3983         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
3984         (Incremental_input_entry_reader::get_comdat_group_signature): New
3985         function.
3986         * object.cc (Sized_relobj::include_section_group): Report kept
3987         COMDAT groups for incremental links.
3988
3989 2011-05-24  David Meyer  <pdox@google.com>
3990
3991         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
3992         with name parameter.  Add found_name parameter.
3993         * fileread.cc (Input_file::find_file): Adjust code accordingly.
3994         * dirsearch.h (class Dirsearch): Update declaration.
3995
3996 2011-05-24  Ian Lance Taylor  <iant@google.com>
3997
3998         * archive.cc (Library_base::should_include_member): Pull in object
3999         from archive if it defines the entry symbol.
4000         * parameters.cc (Parameters::entry): New function.
4001         * parameters.h (class Parameters): Declare entry.
4002         * output.h (class Output_file_header): Remove entry_ field.
4003         * output.cc (Output_file_header::Output_file_header): Remove entry
4004         parameter.  Change all callers.
4005         (Output_file_header::entry): Use parameters->entry.
4006         * gold.cc (queue_middle_tasks): Likewise.
4007         * plugin.cc (Plugin_hook::run): Likewise.
4008
4009 2011-05-24 Cary Coutant  <ccoutant@google.com>
4010
4011         * gold.cc (queue_initial_tasks): Pass incremental base filename
4012         to Output_file::open_base_file; don't print error message.
4013         * incremental-dump.cc (main): Adjust call to
4014         Output_file::open_for_modification.
4015         * incremental-dump.cc (main): Likewise.
4016         * incremental.cc (Incremental_inputs::report_command_line):
4017         Ignore --incremental-base option when comparing command lines.
4018         Ignore parameter when given as separate argument.
4019         * options.h (class General_options): Add --incremental-base.
4020         * output.cc (Output_file::Output_file):
4021         (Output_file::open_base_file): Add base_name and writable parameters;
4022         read base file into new file; print error message here.
4023         (Output_file::map_no_anonymous): Add writable parameter; adjust all
4024         callers.
4025         * output.h (Output_file::open_for_modification): Rename to...
4026         (Output_file::open_base_file): ...this; add base_name and
4027         writable parameters; adjust all callers.
4028         (Output_file::map_no_anonymous): Add writable parameter; adjust all
4029         callers.
4030         * testsuite/Makefile.am (incremental_test_4): Test
4031         --incremental-base.
4032         * testsuite/Makefile.in: Regenerate.
4033
4034 2011-05-24 Cary Coutant  <ccoutant@google.com>
4035
4036         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
4037         incremental_test_4.
4038         * testsuite/Makefile.in: Regenerate.
4039         * testsuite/two_file_test_1_v1.cc: New test source file.
4040         * testsuite/two_file_test_1b_v1.cc: New test source file.
4041         * testsuite/two_file_test_2_v1.cc: New test source file.
4042
4043 2011-05-24 Cary Coutant  <ccoutant@google.com>
4044
4045         * dynobj.h (Dynobj::do_dynobj): New function.
4046         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
4047         flag and soname for shared objects.
4048         * incremental.cc (Incremental_inputs::report_object): Make
4049         either Incremental_object_entry or Incremental_dynobj_entry; add
4050         soname to string table.
4051         (Incremental_inputs::report_input_section): Add assertion.
4052         (Output_section_incremental_inputs::set_final_data_size): Adjust
4053         type of input file entry for shared libraries; adjust size of
4054         shared library info entry.
4055         (Output_section_incremental_inputs::write_input_files): Write
4056         as_needed flag for shared libraries.
4057         (Output_section_incremental_inputs::write_info_blocks): Adjust type
4058         of input file entry for shared libraries; write soname.
4059         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
4060         soname from incremental info.
4061         * incremental.h (enum Incremental_input_flags): Add
4062         INCREMENTAL_INPUT_AS_NEEDED.
4063         (Incremental_input_entry::Incremental_input_entry): Initialize new
4064         data member.
4065         (Incremental_input_entry::set_as_needed): New function.
4066         (Incremental_input_entry::as_needed): New function.
4067         (Incremental_input_entry::do_dynobj_entry): New function.
4068         (Incremental_input_entry::as_needed_): New data member.
4069         (Incremental_object_entry::Incremental_object_entry): Don't check
4070         for shared library.
4071         (Incremental_object_entry::do_type): Likewise.
4072         (class Incremental_dynobj_entry): New class.
4073         (Incremental_input_entry_reader::as_needed): New function.
4074         (Incremental_input_entry_reader::get_soname): New function.
4075         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
4076         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
4077         size of shared library info entry.
4078         * layout.cc (Layout::finish_dynamic_section): Don't test for
4079         incremental link when adding DT_NEEDED entries.
4080         * object.h (Object::Object): Initialize new data member.
4081         (Object::dynobj): New function.
4082         (Object::set_as_needed): New function.
4083         (Object::as_needed): New function.
4084         (Object::do_dynobj): New function.
4085         (Object::as_needed_): New data member.
4086
4087 2011-05-24 Cary Coutant  <ccoutant@google.com>
4088
4089         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
4090         info; adjust display of GOT entries.
4091         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
4092         vector of input objects; remove file_status_.
4093         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
4094         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
4095         got_plt reader; call target hooks to reserve GOT entries.
4096         (Output_section_incremental_inputs::set_final_data_size): Adjust size
4097         of input file info header and GOT info entry.
4098         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
4099         relocation info.
4100         (Got_plt_view_info::got_descriptor): Remove.
4101         (Got_plt_view_info::sym_index): New data member.
4102         (Got_plt_view_info::input_index): New data member.
4103         (Local_got_offset_visitor::visit): Write input file index.
4104         (Global_got_offset_visitor::visit): Write 0 for input file index.
4105         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
4106         with sym_index and input_index.
4107         (Output_section_incremental_inputs::write_got_plt): Adjust size of
4108         incremental info GOT entry; replace got_descriptor with input_index.
4109         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
4110         map from input file index to object.
4111         (Sized_relobj_incr::do_layout): Replace direct data member reference
4112         with accessor function.
4113         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
4114         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
4115         Adjust size of input file info header.
4116         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
4117         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
4118         (Incremental_input_entry_reader::get_input_section): Adjust size of
4119         input file info header.
4120         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
4121         of incremental info GOT entry.
4122         (Incremental_got_plt_reader::get_got_desc): Remove.
4123         (Incremental_got_plt_reader::get_got_symndx): New function.
4124         (Incremental_got_plt_reader::get_got_input_index): New function.
4125         (Sized_incremental_binary::Sized_incremental_binary): Remove
4126         file_status_; add input_objects_.
4127         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
4128         (Sized_incremental_binary::set_file_is_unchanged): Remove.
4129         (Sized_incremental_binary::file_is_unchanged): Remove.
4130         (Sized_incremental_binary::set_input_object): New function.
4131         (Sized_incremental_binary::input_object): New function.
4132         (Sized_incremental_binary::file_status_): Remove.
4133         (Sized_incremental_binary::input_objects_): New data member.
4134         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
4135         references.
4136         (Sized_relobj_incr::invalid_address): Move to base class.
4137         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
4138         class.
4139         (Sized_relobj_incr::do_output_section_offset): Likewise.
4140         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
4141         (Sized_relobj_incr::section_offsets_): Likewise.
4142         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
4143         function.
4144         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
4145         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
4146         with accessor function.
4147         (Sized_relobj_file::do_layout): Likewise.
4148         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
4149         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
4150         (Sized_relobj_file::compute_final_local_value): Replace refs to
4151         section_offsets_ with accessor function.
4152         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
4153         * object.h (Relobj::Relobj): Initialize new data members.
4154         (Relobj::add_dyn_reloc): New function.
4155         (Relobj::first_dyn_reloc): New function.
4156         (Relobj::dyn_reloc_count): New function.
4157         (Relobj::first_dyn_reloc_): New data member.
4158         (Relobj::dyn_reloc_count_): New data member.
4159         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
4160         references.
4161         (Sized_relobj::Address): New typedef.
4162         (Sized_relobj::invalid_address): Move here from child class.
4163         (Sized_relobj::Sized_relobj): Initialize new data members.
4164         (Sized_relobj::sized_relobj): New function.
4165         (Sized_relobj::is_output_section_offset_invalid): Move here from
4166         child class.
4167         (Sized_relobj::get_output_section_offset): Likewise.
4168         (Sized_relobj::local_has_got_offset): Likewise.
4169         (Sized_relobj::local_got_offset): Likewise.
4170         (Sized_relobj::set_local_got_offset): Likewise.
4171         (Sized_relobj::do_for_all_local_got_entries): Likewise.
4172         (Sized_relobj::clear_got_offsets): New function.
4173         (Sized_relobj::section_offsets): Move here from child class.
4174         (Sized_relobj::do_output_section_offset): Likewise.
4175         (Sized_relobj::do_set_section_offset): Likewise.
4176         (Sized_relobj::Local_got_offsets): Likewise.
4177         (Sized_relobj::local_got_offsets_): Likewise.
4178         (Sized_relobj::section_offsets_): Likewise.
4179         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
4180         references.
4181         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
4182         class.
4183         (Sized_relobj_file::sized_relobj): New function
4184         (Sized_relobj_file::local_has_got_offset): Move to base class.
4185         (Sized_relobj_file::local_got_offset): Likewise.
4186         (Sized_relobj_file::set_local_got_offset): Likewise.
4187         (Sized_relobj_file::get_output_section_offset): Likewise.
4188         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
4189         (Sized_relobj_file::do_output_section_offset): Likewise.
4190         (Sized_relobj_file::do_set_section_offset): Likewise.
4191         (Sized_relobj_file::Local_got_offsets): Likewise.
4192         (Sized_relobj_file::local_got_offsets_): Likewise.
4193         (Sized_relobj_file::section_offsets_): Likewise.
4194         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
4195         (all constructors).
4196         (set_needs_dynsym_index): Convert relobj to derived class pointer.
4197         (Output_reloc::get_symbol_index): Likewise.
4198         (Output_reloc::local_section_offset): Likewise.
4199         (Output_reloc::get_address): Likewise.
4200         (Output_reloc::symbol_value): Likewise.
4201         (Output_data_got::reserve_slot): Move to class definition.
4202         (Output_data_got::reserve_local): New function.
4203         (Output_data_got::reserve_slot_for_global): Remove.
4204         (Output_data_got::reserve_global): New function.
4205         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
4206         (all constructors, two instantiations).
4207         (Output_reloc::get_relobj): New function (two instantiations).
4208         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
4209         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
4210         (Output_data_reloc::add_global): Adjust type of relobj.
4211         (Output_data_reloc::add_global_relative): Likewise.
4212         (Output_data_reloc::add_symbolless_global_addend): Likewise.
4213         (Output_data_reloc::add_local): Likewise.
4214         (Output_data_reloc::add_local_relative): Likewise.
4215         (Output_data_reloc::add_symbolless_local_addend): Likewise.
4216         (Output_data_reloc::add_local_section): Likewise.
4217         (Output_data_reloc::add_output_section): Likewise.
4218         (Output_data_reloc::add_absolute): Likewise.
4219         (Output_data_reloc::add_target_specific): Likewise.
4220         (Output_data_got::reserve_slot): Move definition here.
4221         (Output_data_got::reserve_local): New function.
4222         (Output_data_got::reserve_global): New function.
4223         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
4224         section_offsets_ with accessor function.
4225         (Sized_relobj_file::write_sections): Likewise.
4226         (Sized_relobj_file::do_relocate_sections): Likewise.
4227         * target.h (Sized_target::reserve_local_got_entry): New function.
4228         (Sized_target::reserve_global_got_entry): New function.
4229         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
4230         (Target_x86_64::reserve_global_got_entry): New function.
4231         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
4232
4233 2011-05-23 Cary Coutant  <ccoutant@google.com>
4234
4235         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
4236         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
4237         bit when checking got_type.
4238         * incremental.cc (Sized_incremental_binary::setup_readers):
4239         Store symbol table and string table locations; initialize bit vector
4240         of file status flags.
4241         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
4242         unchanged files.
4243         (Sized_incremental_binary::do_process_got_plt): New function.
4244         (Sized_incremental_binary::get_symtab_view): Use stored locations.
4245         (Output_section_incremental_inputs::set_final_data_size): Record
4246         file index for each input file.
4247         (Output_section_incremental_inputs::write_got_plt): Store file index
4248         instead of input entry offset for each GOT entry.
4249         * incremental.h
4250         (Incremental_input_entry::Incremental_input_entry): Initialize new
4251         data member.
4252         (Incremental_input_entry::set_offset): Store file index.
4253         (Incremental_input_entry::get_file_index): New function.
4254         (Incremental_input_entry::file_index_): New data member.
4255         (Incremental_binary::process_got_plt): New function.
4256         (Incremental_binary::do_process_got_plt): New function.
4257         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
4258         data members.
4259         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
4260         (Sized_incremental_binary::set_file_is_unchanged): New function.
4261         (Sized_incremental_binary::file_is_unchanged): New function.
4262         (Sized_incremental_binary::do_process_got_plt): New function.
4263         (Sized_incremental_binary::file_status_): New data member.
4264         (Sized_incremental_binary::main_symtab_loc_): New data member.
4265         (Sized_incremental_binary::main_strtab_loc_): New data member.
4266         * output.cc (Output_data_got::Got_entry::write): Add case
4267         RESERVED_CODE.
4268         (Output_data_got::add_global): Call add_got_entry.
4269         (Output_data_got::add_global_plt): Likewise.
4270         (Output_data_got::add_global_with_rel): Likewise.
4271         (Output_data_got::add_global_with_rela): Likewise.
4272         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
4273         (Output_data_got::add_global_pair_with_rela): Likewise.
4274         (Output_data_got::add_local): Call add_got_entry.
4275         (Output_data_got::add_local_plt): Likewise.
4276         (Output_data_got::add_local_with_rel): Likewise.
4277         (Output_data_got::add_local_with_rela): Likewise.
4278         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
4279         (Output_data_got::add_local_pair_with_rela): Likewise.
4280         (Output_data_got::reserve_slot): New function.
4281         (Output_data_got::reserve_slot_for_global): New function.
4282         (Output_data_got::add_got_entry): New function.
4283         (Output_data_got::add_got_entry_pair): New function.
4284         (Output_section::add_output_section_data): Edit FIXME.
4285         * output.h
4286         (Output_section_data_build::Output_section_data_build): New
4287         constructor with size parameter.
4288         (Output_data_space::Output_data_space): Likewise.
4289         (Output_data_got::Output_data_got): Initialize new data member; new
4290         constructor with size parameter.
4291         (Output_data_got::add_constant): Call add_got_entry.
4292         (Output_data_got::reserve_slot): New function.
4293         (Output_data_got::reserve_slot_for_global): New function.
4294         (class Output_data_got::Got_entry): Add RESERVED_CODE.
4295         (Output_data_got::add_got_entry): New function.
4296         (Output_data_got::add_got_entry_pair): New function.
4297         (Output_data_got::free_list_): New data member.
4298         * target.h (Sized_target::init_got_plt_for_update): New function.
4299         (Sized_target::register_global_plt_entry): New function.
4300         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
4301         Initialize new data member; call init; add constructor with PLT count.
4302         (Output_data_plt_x86_64::init): New function.
4303         (Output_data_plt_x86_64::add_relocation): New function.
4304         (Output_data_plt_x86_64::reserve_slot): New function.
4305         (Output_data_plt_x86_64::free_list_): New data member.
4306         (Target_x86_64::init_got_plt_for_update): New function.
4307         (Target_x86_64::register_global_plt_entry): New function.
4308         (Output_data_plt_x86_64::add_entry): Allocate from free list for
4309         incremental updates.
4310         (Output_data_plt_x86_64::add_relocation): New function.
4311         * testsuite/object_unittest.cc (Object_test): Set default options.
4312
4313 2011-05-16  Ian Lance Taylor  <iant@google.com>
4314
4315         * options.h (class General_options): Make -i a synonym for -r.
4316
4317 2011-05-16  Ian Lance Taylor  <iant@google.com>
4318
4319         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
4320
4321 2011-05-10 Cary Coutant  <ccoutant@google.com>
4322
4323         * object.cc (Sized_relobj::do_count_local_symbols): Check for
4324         strip_all (-s).
4325
4326 2011-05-06  Ian Lance Taylor  <iant@google.com>
4327
4328         * layout.cc (Layout::layout): If the output section flags change,
4329         update the ordering.
4330
4331 2011-04-25 Cary Coutant  <ccoutant@google.com>
4332
4333         * incremental-dump.cc (dump_incremental_inputs): Print local
4334         symbol info for each input file.
4335         * incremental.cc
4336         (Output_section_incremental_inputs::set_final_data_size): Add local
4337         symbol info to input file entries in incremental info.
4338         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4339         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
4340         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
4341         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
4342         implementation.
4343         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
4344         (Sized_incr_relobj::do_relocate): Write the local symbols.
4345         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
4346         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
4347         Adjust size of input file header.
4348         (Incremental_inputs_reader::get_local_symbol_offset): New function.
4349         (Incremental_inputs_reader::get_local_symbol_count): New function.
4350         (Incremental_inputs_reader::get_input_section): Adjust size of input
4351         file header.
4352         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
4353         (Sized_incr_relobj::This): New typedef.
4354         (Sized_incr_relobj::sym_size): New const data member.
4355         (Sized_incr_relobj::Local_symbol): New struct.
4356         (Sized_incr_relobj::do_output_local_symbol_count): New function.
4357         (Sized_incr_relobj::do_local_symbol_offset): New function.
4358         (Sized_incr_relobj::local_symbol_count_): New data member.
4359         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
4360         (Sized_incr_relobj::local_symbol_index_): New data member.
4361         (Sized_incr_relobj::local_symbol_offset_): New data member.
4362         (Sized_incr_relobj::local_dynsym_offset_): New data member.
4363         (Sized_incr_relobj::local_symbols_): New data member.
4364         * object.h (Relobj::output_local_symbol_count): New function.
4365         (Relobj::local_symbol_offset): New function.
4366         (Relobj::do_output_local_symbol_count): New function.
4367         (Relobj::do_local_symbol_offset): New function.
4368         (Sized_relobj::do_output_local_symbol_count): New function.
4369         (Sized_relobj::do_local_symbol_offset): New function.
4370
4371 2011-04-22  Vladimir Simonov  <sv@sw.ru>
4372
4373         * descriptors.cc (set_close_on_exec): New function.
4374         (Descriptors::open): Use set_close_on_exec.
4375         * output.cc (S_ISLNK): Define if not defined.
4376
4377 2011-04-22 Cary Coutant  <ccoutant@google.com>
4378
4379         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
4380         global symbol map.
4381         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
4382         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
4383         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
4384         relocations.
4385         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
4386         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
4387         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
4388         * incremental.h
4389         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
4390         function.
4391         (Incremental_binary::apply_incremental_relocs): New function.
4392         (Incremental_binary::do_apply_incremental_relocs): New function.
4393         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
4394         data member.
4395         (Sized_incremental_binary::add_global_symbol): New function.
4396         (Sized_incremental_binary::global_symbol): New function.
4397         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
4398         (Sized_incremental_binary::symbol_map_): New data member.
4399         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
4400         * target.h (Sized_target::apply_relocation): New function.
4401         * target-reloc.h (apply_relocation): New function.
4402         * x86_64.cc (Target_x86_64::apply_relocation): New function.
4403
4404 2011-04-22  Doug Kwan  <dougkwan@google.com>
4405
4406         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
4407         flag of a SHT_ARM_EXIDX section.
4408         * testsuite/Makefile.am (arm_exidx_test): New test rules.
4409         * testsuite/Makefile.in: Regenerate.
4410         * testsuite/arm_exidx_test.s: New file.
4411         * testsuite/arm_exidx_test.sh: Same.
4412
4413 2011-04-20 Cary Coutant  <ccoutant@google.com>
4414
4415         PR gold/12689
4416         * archive.h (Incremental_archive_entry::Archive_member):
4417         Initialize arg_serial_ (second constructor).
4418
4419 2011-04-17  Ian Lance Taylor  <iant@google.com>
4420
4421         * object.cc (Relocate_info::location): Simplify location string.
4422         * errors.cc (Errors::error_at_location): Don't print program
4423         name.
4424         (Errors::warning_at_location): Likewise.
4425         (Errors::undefined_symbol): Likewise.
4426         * testsuite/debug_msg.sh: Update accordingly.
4427
4428 2011-04-14 Cary Coutant  <ccoutant@google.com>
4429
4430         * gold/layout.cc (Layout::symtab_section_offset): New function.
4431         * gold/layout.h (Layout::symtab_section_offset): New function.
4432         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
4433
4434 2011-04-12  Ian Lance Taylor  <iant@google.com>
4435
4436         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
4437         with MREMAP_MAYMOVE.
4438         * output.h (class Output_file): Add map_is_allocated_ field.
4439         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
4440         not available, provide stubs.  If mremap is not available, #define
4441         it to gold_mremap.
4442         (MREMAP_MAYMOVE): Define if not defined.
4443         (Output_file::Output_file): Initialize map_is_allocated_.
4444         (Output_file::resize): Check map_is_allocated_.
4445         (Output_file::map_anonymous): If mmap fails, use malloc.
4446         (Output_file::unmap): Don't do anything for an anonymous map.
4447         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
4448         is not available, provide stubs.
4449         (File_read::View::~View): Use free rather than delete[].
4450         (File_read::make_view): Use malloc rather than new[].  If mmap
4451         fails, use malloc.
4452         (File_read::find_or_make_view): Use malloc rather than new[].
4453         * gold.h: Remove HAVE_REMAP code.
4454         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
4455         exists.  Rename mremap to gold_mremap.  If mmap is not available
4456         don't do anything.
4457         * configure, config.in: Rebuild.
4458
4459 2011-04-11  Ian Lance Taylor  <iant@google.com>
4460
4461         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
4462         initialize local variable v.
4463
4464 2011-04-11  Cary Coutant  <ccoutant@google.com>
4465
4466         * archive.cc (Archive::include_member): Adjust call to
4467         report_object.
4468         (Add_archive_symbols::run): Track argument serial numbers.
4469         (Lib_group::include_member): Likewise.
4470         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
4471         * archive.h (Incremental_archive_entry::Archive_member):
4472         Initialize arg_serial_.
4473         (Archive_member::arg_serial_): New data member.
4474         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
4475         (Sized_dynobj::do_add_symbols): Track symbols when doing an
4476         incremental link.
4477         (Sized_dynobj::do_for_all_local_got_entries): New function.
4478         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
4479         function.
4480         * fileread.cc (get_mtime): New function.
4481         * fileread.h (get_mtime): New function.
4482         * gold.cc (queue_initial_tasks): Check for incremental update.
4483         (process_incremental_input): New function.
4484         (queue_middle_tasks): Don't force valid target for incremental
4485         update.
4486         * incremental-dump.cc (find_input_containing_global): Adjust
4487         size of symbol info entry.
4488         (dump_incremental_inputs): Dump argument serial number and
4489         in_system_directory flag; bias shndx by 1; print symbol names
4490         when dumping per-file symbol lists; use new symbol info readers.
4491         * incremental.cc
4492         (Output_section_incremental_inputs:update_data_size): New function.
4493         (Sized_incremental_binary::setup_readers): Setup input readers
4494         for each input file; build maps for files added from libraries
4495         and scripts.
4496         (Sized_incremental_binary::check_input_args): New function.
4497         (Sized_incremental_binary::do_check_inputs): Build map of argument
4498         serial numbers to input arguments.
4499         (Sized_incremental_binary::do_file_has_changed): Rename
4500         do_file_is_unchanged to this; compare file modification times.
4501         (Sized_incremental_binary::do_init_layout): New function.
4502         (Sized_incremental_binary::do_reserve_layout): New function.
4503         (Sized_incremental_binary::do_get_input_reader): Remove.
4504         (Sized_incremental_binary::get_symtab_view): New function.
4505         (Incremental_checker::can_incrementally_link_output_file): Remove.
4506         (Incremental_inputs::report_command_line): Exclude --debug options.
4507         (Incremental_inputs::report_archive_begin): Add parameter; track
4508         argument serial numbers; don't put input file entry for archive
4509         before archive members.
4510         (Incremental_inputs::report_archive_end): Put input file entry
4511         for archive after archive members.
4512         (Incremental_inputs::report_object): Add parameter; track argument
4513         serial numbers and in_system_directory flag.
4514         (Incremental_inputs::report_script): Add parameter; track argument
4515         serial numbers.
4516         (Output_section_incremental_inputs::set_final_data_size): Adjust
4517         size of symbol info entry; check for forwarding symbols.
4518         (Output_section_incremental_inputs::write_input_files): Write
4519         in_system_directory flag and argument serial number.
4520         (Output_section_incremental_inputs::write_info_blocks): Map section
4521         indices between incremental info and original input file; store
4522         input section index for each symbol.
4523         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
4524         change operator() to visit().
4525         (class Global_got_offset_visitor): Likewise.
4526         (class Global_symbol_visitor_got_plt):
4527         (Output_section_incremental_inputs::write_got_plt): Use new visitor
4528         classes.
4529         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
4530         (Sized_incr_relobj::do_read_symbols): New function.
4531         (Sized_incr_relobj::do_layout): New function.
4532         (Sized_incr_relobj::do_layout_deferred_sections): New function.
4533         (Sized_incr_relobj::do_add_symbols): New function.
4534         (Sized_incr_relobj::do_should_include_member): New function.
4535         (Sized_incr_relobj::do_for_all_global_symbols): New function.
4536         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
4537         (Sized_incr_relobj::do_section_size): New function.
4538         (Sized_incr_relobj::do_section_name): New function.
4539         (Sized_incr_relobj::do_section_contents): New function.
4540         (Sized_incr_relobj::do_section_flags): New function.
4541         (Sized_incr_relobj::do_section_entsize): New function.
4542         (Sized_incr_relobj::do_section_address): New function.
4543         (Sized_incr_relobj::do_section_type): New function.
4544         (Sized_incr_relobj::do_section_link): New function.
4545         (Sized_incr_relobj::do_section_info): New function.
4546         (Sized_incr_relobj::do_section_addralign): New function.
4547         (Sized_incr_relobj::do_initialize_xindex): New function.
4548         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
4549         (Sized_incr_relobj::do_read_relocs): New function.
4550         (Sized_incr_relobj::do_gc_process_relocs): New function.
4551         (Sized_incr_relobj::do_scan_relocs): New function.
4552         (Sized_incr_relobj::do_count_local_symbols): New function.
4553         (Sized_incr_relobj::do_finalize_local_symbols): New function.
4554         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
4555         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
4556         (Sized_incr_relobj::do_relocate): New function.
4557         (Sized_incr_relobj::do_set_section_offset): New function.
4558         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
4559         (Sized_incr_dynobj::do_read_symbols): New function.
4560         (Sized_incr_dynobj::do_layout): New function.
4561         (Sized_incr_dynobj::do_add_symbols): New function.
4562         (Sized_incr_dynobj::do_should_include_member): New function.
4563         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
4564         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
4565         (Sized_incr_dynobj::do_section_size): New function.
4566         (Sized_incr_dynobj::do_section_name): New function.
4567         (Sized_incr_dynobj::do_section_contents): New function.
4568         (Sized_incr_dynobj::do_section_flags): New function.
4569         (Sized_incr_dynobj::do_section_entsize): New function.
4570         (Sized_incr_dynobj::do_section_address): New function.
4571         (Sized_incr_dynobj::do_section_type): New function.
4572         (Sized_incr_dynobj::do_section_link): New function.
4573         (Sized_incr_dynobj::do_section_info): New function.
4574         (Sized_incr_dynobj::do_section_addralign): New function.
4575         (Sized_incr_dynobj::do_initialize_xindex): New function.
4576         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
4577         (make_sized_incremental_object): New function.
4578         (Incremental_library::copy_unused_symbols): New function.
4579         (Incremental_library::do_for_all_unused_symbols): New function.
4580         * incremental.h (enum Incremental_input_flags): New type.
4581         (class Incremental_checker): Remove.
4582         (Incremental_input_entry::Incremental_input_entry): Add argument
4583         serial number.
4584         (Incremental_input_entry::arg_serial): New function.
4585         (Incremental_input_entry::set_is_in_system_directory): New function.
4586         (Incremental_input_entry::is_in_system_directory): New function.
4587         (Incremental_input_entry::arg_serial_): New data member.
4588         (Incremental_input_entry::is_in_system_directory_): New data member.
4589         (class Script_info): Move here from script.h.
4590         (Script_info::Script_info): Add filename parameter.
4591         (Script_info::filename): New function.
4592         (Script_info::filename_): New data member.
4593         (Incremental_script_entry::Incremental_script_entry): Add argument
4594         serial number.
4595         (Incremental_object_entry::Incremental_object_entry): Likewise.
4596         (Incremental_object_entry::add_input_section): Build list of input
4597         sections with map to original shndx.
4598         (Incremental_object_entry::get_input_section_index): New function.
4599         (Incremental_object_entry::shndx_): New data member.
4600         (Incremental_object_entry::name_key_): Rename; adjust all refs.
4601         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
4602         (Incremental_archive_entry::Incremental_archive_entry): Add argument
4603         serial number.
4604         (Incremental_inputs::report_archive_begin): Likewise.
4605         (Incremental_inputs::report_object): Likewise.
4606         (Incremental_inputs::report_script): Likewise.
4607         (class Incremental_global_symbol_reader): New class.
4608         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
4609         and store flags and input file type.
4610         (Incremental_input_entry_reader::arg_serial): New function.
4611         (Incremental_input_entry_reader::type): Extract type from flags.
4612         (Incremental_input_entry_reader::is_in_system_directory): New function.
4613         (Incremental_input_entry_reader::get_input_section_count): Call
4614         accessor function for type.
4615         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
4616         function for type; adjust size of global symbol entry.
4617         (Incremental_input_entry_reader::get_global_symbol_count): Call
4618         accessor function for type.
4619         (Incremental_input_entry_reader::get_object_count): Likewise.
4620         (Incremental_input_entry_reader::get_object_offset): Likewise.
4621         (Incremental_input_entry_reader::get_member_count): Likewise.
4622         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
4623         (Incremental_input_entry_reader::get_member_offset): Likewise.
4624         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
4625         (Incremental_input_entry_reader::Global_symbol_info): Remove.
4626         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
4627         (Incremental_input_entry_reader::get_global_symbol_reader): New
4628         function.
4629         (Incremental_input_entry_reader::get_output_symbol_index): New
4630         function.
4631         (Incremental_input_entry_reader::type_): Remove.
4632         (Incremental_input_entry_reader::flags_): New data member.
4633         (Incremental_inputs_reader::input_file_offset): New function.
4634         (Incremental_inputs_reader::input_file_index): New function.
4635         (Incremental_inputs_reader::input_file): Call input_file_offset.
4636         (Incremental_inputs_reader::input_file_at_offset): New function.
4637         (Incremental_relocs_reader::get_r_type): Reformat.
4638         (Incremental_relocs_reader::get_r_shndx): Reformat.
4639         (Incremental_relocs_reader::get_r_offset): Reformat.
4640         (Incremental_relocs_reader::data): New function.
4641         (Incremental_binary::Incremental_binary): Initialize new data members.
4642         (Incremental_binary::check_inputs): Add cmdline parameter.
4643         (Incremental_binary::file_is_unchanged): Remove.
4644         (Input_reader::arg_serial): New function.
4645         (Input_reader::get_unused_symbol_count): New function.
4646         (Input_reader::get_unused_symbol): New function.
4647         (Input_reader::do_arg_serial): New function.
4648         (Input_reader::do_get_unused_symbol_count): New function.
4649         (Input_reader::do_get_unused_symbol): New function.
4650         (Incremental_binary::input_file_count): New function.
4651         (Incremental_binary::get_input_reader): Change signature to use
4652         index instead of filename.
4653         (Incremental_binary::file_has_changed): New function.
4654         (Incremental_binary::get_input_argument): New function.
4655         (Incremental_binary::get_library): New function.
4656         (Incremental_binary::get_script_info): New function.
4657         (Incremental_binary::init_layout): New function.
4658         (Incremental_binary::reserve_layout): New function.
4659         (Incremental_binary::output_file): New function.
4660         (Incremental_binary::do_check_inputs): New function.
4661         (Incremental_binary::do_file_is_unchanged): Remove.
4662         (Incremental_binary::do_file_has_changed): New function.
4663         (Incremental_binary::do_init_layout): New function.
4664         (Incremental_binary::do_reserve_layout): New function.
4665         (Incremental_binary::do_input_file_count): New function.
4666         (Incremental_binary::do_get_input_reader): Change signature.
4667         (Incremental_binary::input_args_map_): New data member.
4668         (Incremental_binary::library_map_): New data member.
4669         (Incremental_binary::script_map_): New data member.
4670         (Sized_incremental_binary::Sized_incremental_binary): Initialize
4671         new data members.
4672         (Sized_incremental_binary::output_section): New function.
4673         (Sized_incremental_binary::inputs_reader): Add const.
4674         (Sized_incremental_binary::symtab_reader): Add const.
4675         (Sized_incremental_binary::relocs_reader): Add const.
4676         (Sized_incremental_binary::got_plt_reader): Add const.
4677         (Sized_incremental_binary::get_symtab_view): New function.
4678         (Sized_incremental_binary::Inputs_reader): New typedef.
4679         (Sized_incremental_binary::Input_entry_reader): New typedef.
4680         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
4681         (Sized_incremental_binary::do_file_is_unchanged): Remove.
4682         (Sized_incremental_binary::do_file_has_changed): New function.
4683         (Sized_incremental_binary::do_init_layout): New function.
4684         (Sized_incremental_binary::do_reserve_layout): New function.
4685         (Sized_input_reader::Inputs_reader): Remove.
4686         (Sized_input_reader::Input_entry_reader): Remove.
4687         (Sized_input_reader::do_arg_serial): New function.
4688         (Sized_input_reader::do_get_unused_symbol_count): New function.
4689         (Sized_input_reader::do_get_unused_symbol): New function.
4690         (Sized_incremental_binary::do_input_file_count): New function.
4691         (Sized_incremental_binary::do_get_input_reader): Change signature;
4692         use index instead of filename.
4693         (Sized_incremental_binary::section_map_): New data member.
4694         (Sized_incremental_binary::input_entry_readers_): New data member.
4695         (class Sized_incr_relobj): New class.
4696         (class Sized_incr_dynobj): New class.
4697         (make_sized_incremental_object): New function.
4698         (class Incremental_library): New class.
4699         * layout.cc (Free_list::num_lists): New static data member.
4700         (Free_list::num_nodes): New static data member.
4701         (Free_list::num_removes): New static data member.
4702         (Free_list::num_remove_visits): New static data member.
4703         (Free_list::num_allocates): New static data member.
4704         (Free_list::num_allocate_visits): New static data member.
4705         (Free_list::init): New function.
4706         (Free_list::remove): New function.
4707         (Free_list::allocate): New function.
4708         (Free_list::dump): New function.
4709         (Free_list::print_stats): New function.
4710         (Layout_task_runner::run): Resize output file for incremental updates.
4711         (Layout::Layout): Initialize new data members.
4712         (Layout::set_incremental_base): New function.
4713         (Layout::init_fixed_output_section): New function.
4714         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
4715         incremental updates.
4716         (Layout::create_gold_note): Do not create gold note section for
4717         incremental updates.
4718         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
4719         for incremental updates.
4720         (Layout::set_section_offsets): For incremental updates, allocate space
4721         from free list.
4722         (Layout::create_symtab_sections): Layout with offsets relative to
4723         start of section; for incremental updates, allocate space from free
4724         list.
4725         (Layout::create_shdrs): For incremental updates, allocate space from
4726         free list.
4727         (Layout::finish_dynamic_section): For incremental updates, do not
4728         check --as-needed (fixed in subsequent patch).
4729         * layout.h (class Free_list): New class.
4730         (Layout::set_incremental_base): New function.
4731         (Layout::incremental_base): New function.
4732         (Layout::init_fixed_output_section): New function.
4733         (Layout::allocate): New function.
4734         (Layout::incremental_base_): New data member.
4735         (Layout::free_list_): New data member.
4736         * main.cc (main): Print Free_list statistics.
4737         * object.cc (Relobj::finalize_incremental_relocs): Add
4738         clear_counts parameter; clear counts only when clear_counts is set.
4739         (Sized_relobj::Sized_relobj): Initialize new base class.
4740         (Sized_relobj::do_layout): Don't report special sections.
4741         (Sized_relobj::do_for_all_local_got_entries): New function.
4742         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
4743         symtab_off to all symbol table offsets.
4744         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
4745         * object.h (class Got_offset_list): Move to top of file.
4746         (Object::Object): Allow case where input_file == NULL.
4747         (Object::~Object): Likewise.
4748         (Object::input_file): Assert that input_file != NULL.
4749         (Object::lock): Allow case where input_file == NULL.
4750         (Object::unlock): Likewise.
4751         (Object::is_locked): Likewise.
4752         (Object::token): Likewise.
4753         (Object::release): Likewise.
4754         (Object::is_incremental): New function.
4755         (Object::get_mtime): New function.
4756         (Object::for_all_local_got_entries): New function.
4757         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
4758         (Object::set_is_in_system_directory): New function.
4759         (Object::is_in_system_directory): New function.
4760         (Object::do_is_incremental): New function.
4761         (Object::do_get_mtime): New function.
4762         (Object::do_for_all_local_got_entries): New function.
4763         (Object::is_in_system_directory_): New data member.
4764         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
4765         (class Sized_relobj_base): New class.
4766         (class Sized_relobj): Derive from Sized_relobj_base.
4767         (class Sized_relobj::Symbols): Redeclare from base class.
4768         (class Sized_relobj::local_got_offset_list): Remove.
4769         (class Sized_relobj::Output_sections): Redeclare from base class.
4770         (class Sized_relobj::do_for_all_local_got_entries): New function.
4771         (class Sized_relobj::write_local_symbols): Add offset parameter.
4772         (class Sized_relobj::local_symbol_offset_): Update comment.
4773         (class Sized_relobj::local_dynsym_offset_): Update comment.
4774         * options.cc (Input_arguments::add_file): Remove const.
4775         * options.h (Input_file_argument::Input_file_argument):
4776         Initialize arg_serial_ (all constructors).
4777         (Input_file_argument::set_arg_serial): New function.
4778         (Input_file_argument::arg_serial): New function.
4779         (Input_file_argument::arg_serial_): New data member.
4780         (Input_arguments::Input_arguments): Initialize file_count_.
4781         (Input_arguments::add_file): Remove const.
4782         (Input_arguments::number_of_input_files): New function.
4783         (Input_arguments::file_count_): New data member.
4784         (Command_line::number_of_input_files): Call
4785         Input_arguments::number_of_input_files.
4786         * output.cc (Output_segment_headers::Output_segment_headers):
4787         Set current size.
4788         (Output_section::Input_section::current_data_size): New function.
4789         (Output_section::Output_section): Initialize new data members.
4790         (Output_section::add_input_section): Don't do merge sections for
4791         an incremental link; allocate space from free list for an
4792         incremental update.
4793         (Output_section::add_output_section_data): Allocate space from
4794         free list for an incremental update.
4795         (Output_section::update_data_size): New function.
4796         (Output_section::set_fixed_layout): New function.
4797         (Output_section::reserve): New function.
4798         (Output_segment::set_section_addresses): Remove const.
4799         (Output_segment::set_section_list_addresses): Remove const; allocate
4800         space from free list for an incremental update.
4801         (Output_segment::set_offset): Adjust size of RELRO segment for an
4802         incremental update.
4803         * output.h (Output_data::current_data_size): Move here from
4804         child classes.
4805         (Output_data::pre_finalize_data_size): New function.
4806         (Output_data::update_data_size): New function.
4807         (Output_section_headers::update_data_size): new function.
4808         (Output_section_data_build::current_data_size): Move to Output_data.
4809         (Output_data_strtab::update_data_size): New function.
4810         (Output_section::current_data_size): Move to Output_data.
4811         (Output_section::set_fixed_layout): New function.
4812         (Output_section::has_fixed_layout): New function.
4813         (Output_section::reserve): New function.
4814         (Output_section::update_data_size): New function.
4815         (Output_section::has_fixed_layout_): New data member.
4816         (Output_section::free_list_): New data member.
4817         (Output_segment::set_section_addresses): Remove const.
4818         (Output_segment::set_section_list_addresses): Remove const.
4819         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
4820         New function.
4821         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
4822         New function.
4823         * readsyms.cc (Read_symbols::do_read_symbols): Add library
4824         parameter when calling Add_symbols constructor; store argument
4825         serial number for members of a lib group.
4826         (Add_symbols::locks): Allow case where token == NULL.
4827         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
4828         (Read_member::~Read_member): New function.
4829         (Read_member::is_runnable): New function.
4830         (Read_member::locks): New function.
4831         (Read_member::run): New function.
4832         (Check_script::~Check_script): New function.
4833         (Check_script::is_runnable): New function.
4834         (Check_script::locks): New function.
4835         (Check_script::run): New function.
4836         (Check_library::~Check_library): New function.
4837         (Check_library::is_runnable): New function.
4838         (Check_library::locks): New function.
4839         (Check_library::run): New function.
4840         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
4841         (Add_symbols::library_): New data member.
4842         (class Read_member): New class.
4843         (class Check_script): New class.
4844         (class Check_library): New class.
4845         * reloc.cc (Read_relocs::is_runnable): Allow case where
4846         token == NULL.
4847         (Read_relocs::locks): Likewise.
4848         (Scan_relocs::locks): Likewise.
4849         (Relocate_task::locks): Likewise.
4850         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
4851         to clear counters.
4852         (Sized_relobj::incremental_relocs_scan): Fix comment.
4853         (Sized_relobj::do_relocate): Pass output file offset to
4854         write_local_symbols.
4855         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
4856         from class declaration.
4857         * script.cc (read_input_script): Allocate Script_info; pass
4858         argument serial number to report_script.
4859         * script.h (class Script_info): Move to incremental.h.
4860         * symtab.cc (Symbol_table::add_from_incrobj): New function.
4861         * symtab.h (Symbol_table::add_from_incrobj): New function.
4862         (Symbol_table::set_file_offset): New function.
4863
4864 2011-04-05  Cary Coutant  <ccoutant@google.com>
4865
4866         * incremental-dump.cc (dump_incremental_inputs): Change signature
4867         to take a Sized_incremental_binary; change caller.  Use readers
4868         in Sized_incremental_binary.
4869         * incremental.cc
4870         (Sized_incremental_binary::find_incremental_inputs_sections):
4871         Rename do_find_incremental_inputs_sections to this.
4872         (Sized_incremental_binary::setup_readers): New function.
4873         (Sized_incremental_binary::do_check_inputs): Check
4874         has_incremental_info_ flag; move setup code to setup_readers;
4875         use input readers.
4876         (Sized_incremental_binary::do_file_is_unchanged): New function.
4877         (Sized_incremental_binary::do_get_input_reader): New function.
4878         * incremental.h (class Incremental_binary): Move to end of file.
4879         (Incremental_binary::file_is_unchanged): New function.
4880         (Incremental_binary::do_file_is_unchanged): New function.
4881         (Incremental_binary::Input_reader): New class.
4882         (Incremental_binary::get_input_reader): New function.
4883         (class Sized_incremental_binary): Move to end of file.
4884         (Sized_incremental_binary::Sized_incremental_binary): Setup the
4885         input section reader classes.
4886         (Sized_incremental_binary::has_incremental_info): New function.
4887         (Sized_incremental_binary::inputs_reader): New function.
4888         (Sized_incremental_binary::symtab_reader): New function.
4889         (Sized_incremental_binary::relocs_reader): New function.
4890         (Sized_incremental_binary::got_plt_reader): New function.
4891         (Sized_incremental_binary::do_file_is_unchanged): New function.
4892         (Sized_incremental_binary::Sized_input_reader): New class.
4893         (Sized_incremental_binary::get_input_reader): New function.
4894         (Sized_incremental_binary::find_incremental_inputs_sections):
4895         Rename do_find_incremental_inputs_sections to this.
4896         (Sized_incremental_binary::setup_readers): New function.
4897         (Sized_incremental_binary::has_incremental_info_): New data member.
4898         (Sized_incremental_binary::inputs_reader_): New data member.
4899         (Sized_incremental_binary::symtab_reader_): New data member.
4900         (Sized_incremental_binary::relocs_reader_): New data member.
4901         (Sized_incremental_binary::got_plt_reader_): New data member.
4902         (Sized_incremental_binary::current_input_file_): New data member.
4903
4904 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
4905
4906         PR gold/12640
4907         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
4908         violation.
4909
4910 2011-03-30  Cary Coutant  <ccoutant@google.com>
4911
4912         * archive.cc (Archive::include_member): Adjust call to report_object.
4913         (Add_archive_symbols::run): Add script_info to call to
4914         report_archive_begin.
4915         (Lib_group::include_member): Adjust call to report_object.
4916         (Add_lib_group_symbols::run): Adjust call to report_object.
4917         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
4918         blocks.  Add object count for script input files.
4919         * incremental.cc (Incremental_inputs::report_archive_begin): Add
4920         script_info parameter; change all callers.
4921         (Incremental_inputs::report_object): Add script_info parameter;
4922         change all callers.
4923         (Incremental_inputs::report_script): Store backpointer to
4924         incremental info entry.
4925         (Output_section_incremental_inputs::set_final_data_size): Record
4926         additional information for scripts.
4927         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4928         * incremental.h (Incremental_script_entry::add_object): New function.
4929         (Incremental_script_entry::get_object_count): New function.
4930         (Incremental_script_entry::get_object): New function.
4931         (Incremental_script_entry::objects_): New data member; adjust
4932         constructor.
4933         (Incremental_inputs::report_archive_begin): Add script_info parameter.
4934         (Incremental_inputs::report_object): Add script_info parameter.
4935         (Incremental_inputs_reader::get_object_count): New function.
4936         (Incremental_inputs_reader::get_object_offset): New function.
4937         * options.cc (Input_arguments::add_file): Return reference to
4938         new input argument.
4939         * options.h (Input_argument::set_script_info): New function.
4940         (Input_argument::script_info): New function.
4941         (Input_argument::script_info_): New data member; adjust all
4942         constructors.
4943         (Input_file_group::add_file): Return reference to new input argument.
4944         (Input_file_lib::add_file): Likewise.
4945         (Input_arguments::add_file): Likewise.
4946         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
4947         * script.cc (Parser_closure::Parser_closure): Add script_info
4948         parameter; adjust all callers.
4949         (Parser_closure::script_info): New function.
4950         (Parser_closure::script_info_): New data member.
4951         (read_input_script): Report scripts earlier to incremental info.
4952         (script_add_file): Set script_info in Input_argument.
4953         (script_add_library): Likewise.
4954         * script.h (Script_options::Script_info): Rewrite class.
4955
4956 2011-03-29  Cary Coutant  <ccoutant@google.com>
4957
4958         * archive.cc (Library_base::should_include_member): Move
4959         method here from class Archive.
4960         (Archive::Archive): Initialize base class.
4961         (Archive::should_include_member): Move to base class.
4962         (Archive::do_for_all_unused_symbols): New function.
4963         (Add_archive_symbols::run): Remove redundant access to
4964         incremental_inputs.
4965         (Lib_group::Lib_group): Initialize base class.
4966         (Lib_group::do_filename): New function.
4967         (Lib_group::include_member): Pass pointer to Lib_group to
4968         report_object.
4969         (Lib_group::do_for_all_unused_symbols): New function.
4970         (Add_lib_group_symbols::run): Report archive information for
4971         incremental links.
4972         * archive.h (class Library_base): New base class.
4973         (class Archive): Derive from Library_base.
4974         (Archive::filename): Move to base class.
4975         (Archive::set_incremental_info): Likewise.
4976         (Archive::incremental_info): Likewise.
4977         (Archive::Should_include): Likewise.
4978         (Archive::should_include_member): Likewise.
4979         (Archive::Armap_entry): Remove.
4980         (Archive::Unused_symbol_iterator): Remove.
4981         (Archive::unused_symbols_begin): Remove.
4982         (Archive::unused_symbols_end): Remove.
4983         (Archive::do_filename): New function.
4984         (Archive::do_get_mtime): New function.
4985         (Archive::do_for_all_unused_symbols): New function.
4986         (Archive::task_): Move to base class.
4987         (Archive::incremental_info_): Likewise.
4988         (class Lib_group): Derive from Library_base.
4989         (Lib_group::do_filename): New function.
4990         (Lib_group::do_get_mtime): New function.
4991         (Lib_group::do_for_all_unused_symbols): New function.
4992         (Lib_group::task_): Move to base class.
4993         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
4994         function.
4995         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
4996         function.
4997         * incremental.cc (Incremental_inputs::report_archive_begin):
4998         Use Library_base; call library's get_mtime; add incremental inputs
4999         entry before members.
5000         (class Unused_symbol_visitor): New class.
5001         (Incremental_inputs::report_archive_end): Use Library_base; use
5002         visitor class to record unused symbols; don't add incremental inputs
5003         entry after members.
5004         (Incremental_inputs::report_object): Use Library_base.
5005         * incremental.h
5006         (Incremental_archive_entry::Incremental_archive_entry): Remove
5007         unused Archive parameter.
5008         (Incremental_inputs::report_archive_begin): Use Library_base.
5009         (Incremental_inputs::report_archive_end): Likewise.
5010         (Incremental_inputs::report_object): Likewise.
5011         * object.cc (Sized_relobj::do_for_all_global_symbols): New
5012         function.
5013         * object.h (Object::for_all_global_symbols): New function.
5014         (Object::do_for_all_global_symbols): New function.
5015         (Sized_relobj::do_for_all_global_symbols): New function.
5016         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
5017         function.
5018         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
5019         function.
5020
5021 2011-03-27  Ian Lance Taylor  <iant@google.com>
5022
5023         * archive.cc (Archive::interpret_header): Return -1 if something
5024         goes wrong.  Change callers accordingly.
5025
5026 2011-03-25  Cary Coutant  <ccoutant@google.com>
5027
5028         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
5029         * testsuite/Makefile.in: Regenerate.
5030
5031 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
5032
5033         * plugin.cc (get_view): New.
5034         (Plugin::load): Pass get_view to the plugin.
5035         (Plugin_manager::get_view): New.
5036
5037 2011-03-21  Ian Lance Taylor  <iant@google.com>
5038
5039         * testsuite/final_layout.sh: Rewrite to not use dc.
5040         * testsuite/relro_test.sh: Fail if dc is not present.
5041
5042 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
5043
5044         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
5045         Change == to -eq.
5046         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
5047         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
5048         Change == to -eq.
5049         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
5050         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
5051
5052 2011-03-14  Ian Lance Taylor  <iant@google.com>
5053
5054         * script-sections.cc (Sort_output_sections::script_compare):
5055         Rename from is_before, change return type.
5056         (Sort_output_sections::operator()): Adjust accordingly.
5057
5058 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
5059
5060         PR gold/12572
5061         * testsuite/odr_violation2.cc: Add comment to make all error line
5062         numbers double digits.
5063         * testsuite/debug_msg.sh: Adjust expected errors.
5064
5065 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
5066
5067         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
5068         but mark earlier ones as non-canonical
5069         (offset_to_iterator): Update search target and example
5070         (do_addr2line): Return extra lines in a vector*
5071         (format_file_lineno): Extract from do_addr2line
5072         (one_addr2line): Add vector* out-param
5073         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
5074         when a lineno entry appeared last for its instruction
5075         (Dwarf_line_info): Add vector* out-param
5076         * object.cc (Relocate_info): Pass NULL for the vector* out-param
5077         * symtab.cc (Odr_violation_compare): Include the lineno in the
5078         comparison again.
5079         (linenos_from_loc): New. Combine the canonical line for an
5080         address with its other lines.
5081         (True_if_intersect): New. Helper functor to make
5082         std::set_intersection a query.
5083         (detect_odr_violations): Compare sets of lines instead of just
5084         one line for each function. This became less deterministic, but
5085         has fewer false positives.
5086         * symtab.h: Declarations.
5087         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
5088         mix an optimized and non-optimized object in the same binary
5089         (odr_violation2.so): Same.
5090         * testsuite/Makefile.in: Regenerate from Makefile.am.
5091         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
5092         * testsuite/debug_msg.sh: Update line numbers and add
5093         assertions.
5094         * testsuite/odr_violation1.cc: Use OdrDerived, in a
5095         non-optimized context.
5096         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
5097         isn't inlined, and use OdrDerived in an optimized context.
5098         * testsuite/odr_header1.h: Defines OdrDerived, where
5099         optimization will change the
5100         first-instruction-in-the-destructor's file and line number.
5101         * testsuite/odr_header2.h: Defines OdrBase.
5102
5103 2011-03-09  Ian Lance Taylor  <iant@google.com>
5104
5105         * fileread.cc (File_read::clear_views): Don't delete the whole
5106         file view.
5107
5108 2011-03-08  Ian Lance Taylor  <iant@google.com>
5109
5110         PR gold/12525
5111         * fileread.cc: #include <climits>.
5112         (GOLD_IOV_MAX): Define.
5113         (File_read::read_multiple): Limit number of entries by iov_max.
5114         * fileread.h (class File_read): Always set max_readv_entries to
5115         128.
5116
5117 2011-03-07  Ian Lance Taylor  <iant@google.com>
5118
5119         PR gold/12525
5120         * options.h (class General_options): Add -dy and -dn.
5121
5122 2011-03-02  Cary Coutant  <ccoutant@google.com>
5123
5124         * testsuite/script_test_9.t: Add TLS segment.
5125
5126 2011-03-02  Simon Baldwin  <simonb@google.com>
5127
5128         * configure.ac: Add check for gnu_indirect_function support in
5129         the toolchain building binutils.
5130         * configure: Rebuild.
5131
5132 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
5133
5134         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
5135         plugin only symbols.
5136         (Symbol_table::sized_finalize_symbol) Mark symbol only present
5137         in plugin files as not needed in the symbol table.
5138
5139 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
5140
5141         * output.cc (Output_section::add_input_section): Delay fill
5142         generation for section ordering.
5143
5144 2011-02-09  Ian Lance Taylor  <iant@google.com>
5145
5146         PR gold/12316
5147         * object.h (class Sized_relobj): Remove clear_local_symbols.
5148         * reloc.cc (Sized_relobj::do_relocate): Don't call
5149         clear_local_symbols.
5150
5151 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
5152
5153         * plugin.cc (is_visible_from_outside): Return true for symbols
5154         in the -u option.
5155
5156 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
5157
5158         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
5159         filename.
5160
5161 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
5162
5163         * icf.h (is_section_foldable_candidate): Change type of parameter
5164         to std::string.
5165         * icf.cc (Icf::find_identical_sections): Change type of local variable
5166         section_name to be std::string.
5167         (is_function_ctor_or_dtor): Change type of parameter to std::string.
5168
5169 2011-01-25  Ian Lance Taylor  <iant@google.com>
5170
5171         * script.cc (script_add_extern): Rewrite to use
5172         add_symbol_reference.
5173
5174 2011-01-25  Doug Kwan  <dougkwan@google.com>
5175
5176         * icf.cc (get_section_contents): Always lock section's object.
5177
5178 2011-01-24  Ian Lance Taylor  <iant@google.com>
5179
5180         * options.h (class General_options): Accept
5181         --no-detect-odr-violations.
5182
5183 2011-01-24  Ian Lance Taylor  <iant@google.com>
5184
5185         * version.cc (version_string): Bump to 1.11.
5186
5187 2011-01-24  Ian Lance Taylor  <iant@google.com>
5188
5189         * plugin.cc (class Plugin_rescan): Define new class.
5190         (Plugin_manager::claim_file): Set any_claimed_.
5191         (Plugin_manager::save_archive): New function.
5192         (Plugin_manager::save_input_group): New function.
5193         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
5194         necessary.
5195         (Plugin_manager::new_undefined_symbol): New function.
5196         (Plugin_manager::rescan): New function.
5197         (Plugin_manager::rescannable_defines): New function.
5198         (Plugin_manager::add_input_file): Set any_added_.
5199         * plugin.h (class Plugin_manager): define new fields rescannable_,
5200         undefined_symbols_, any_claimed_, and any_added_.  Declare
5201         Plugin_rescan as friend.  Declare new functions.
5202         (Plugin_manager::Rescannable): Define type.
5203         (Plugin_manager::Rescannable_list): Define type.
5204         (Plugin_manager::Undefined_symbol_list): Define type.
5205         (Plugin_manager::Plugin_manager): Initialize new fields.
5206         * archive.cc (Archive::defines_symbol): New function.
5207         (Add_archive_symbols::run): Pass archive to plugins if any.
5208         * archive.h (class Archive): Declare defines_symbol.
5209         * readsyms.cc (Input_group::~Input_group): New function.
5210         (Finish_group::run): Pass input_group to plugins if any.
5211         * readsyms.h (class Input_group): Declare destructor.
5212         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
5213         any.
5214
5215 2011-01-10  Ian Lance Taylor  <iant@google.com>
5216
5217         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
5218         section as relro.
5219         (Layout::set_segment_offsets): Reset increase_relro before calling
5220         set_section_addresses a second time.
5221
5222 2011-01-04  Cary Coutant  <ccoutant@google.com>
5223
5224         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
5225         sections before NOBITS sections.
5226
5227 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
5228
5229         * version.cc (print_version): Update copyright to 2011.
5230
5231 2010-12-23  Cary Coutant  <ccoutant@google.com>
5232
5233         * output.h (Output_data_reloc::add_output_section): Pass OD instead
5234         of OS to this->add.  Add OD parameter to second form of the function.
5235
5236 2010-12-20  Ian Lance Taylor  <iant@google.com>
5237
5238         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
5239         second of two consecutive entries with same offset.
5240
5241 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5242
5243         * testsuite/Makefile.am (ifuncmain2static_LDADD)
5244         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
5245         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
5246         to avoid unneeded links against $(LDADD).
5247         * testsuite/Makefile.in: Regenerate.
5248
5249 2010-12-15  Ian Lance Taylor  <iant@google.com>
5250
5251         PR gold/12324
5252         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
5253         for R_X86_64_32 and R_X86_64_PC32.
5254         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
5255         ver_matching_def_pic.o.
5256         (ver_matching_def_pic.o): New target.
5257
5258 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5259
5260         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
5261         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
5262         Move definition before File_read::View member definitions.
5263         (File_read::View::~View): Initialize and hold lock before
5264         updating current_mapped_bytes.
5265
5266 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5267
5268         * dwarf_reader.cc: Remove outdated comment.
5269         * gold-threads.cc: Fix typo in error message.
5270         * archive.cc: Fix typos in comments.
5271         * archive.h: Likewise.
5272         * arm-reloc-property.cc: Likewise.
5273         * arm-reloc-property.h: Likewise.
5274         * arm-reloc.def: Likewise.
5275         * arm.cc: Likewise.
5276         * attributes.h: Likewise.
5277         * cref.cc: Likewise.
5278         * ehframe.cc: Likewise.
5279         * fileread.h: Likewise.
5280         * gold.h: Likewise.
5281         * i386.cc: Likewise.
5282         * icf.cc: Likewise.
5283         * incremental.h: Likewise.
5284         * int_encoding.cc: Likewise.
5285         * layout.h: Likewise.
5286         * main.cc: Likewise.
5287         * merge.h: Likewise.
5288         * object.cc: Likewise.
5289         * object.h: Likewise.
5290         * options.cc: Likewise.
5291         * readsyms.cc: Likewise.
5292         * reduced_debug_output.cc: Likewise.
5293         * reloc.cc: Likewise.
5294         * script-sections.cc: Likewise.
5295         * sparc.cc: Likewise.
5296         * symtab.h: Likewise.
5297         * target-reloc.h: Likewise.
5298         * target.cc: Likewise.
5299         * target.h: Likewise.
5300         * timer.cc: Likewise.
5301         * timer.h: Likewise.
5302         * x86_64.cc: Likewise.
5303
5304 2010-12-09  Cary Coutant  <ccoutant@google.com>
5305
5306         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
5307         stack.
5308         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
5309         parameter; change all callers.
5310         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
5311         * options.h (warn_execstack): New option.
5312
5313 2010-12-07  Doug Kwan  <dougkwan@google.com>
5314
5315         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
5316         like function call relocations.
5317
5318 2010-12-07  Ian Lance Taylor  <iant@google.com>
5319
5320         * archive.cc (Archive::get_elf_object_for_member): Permit
5321         punconfigured to be NULL.
5322         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
5323         (Archive::include_member): Pass NULL to get_elf_object_for_member
5324         if we searched for the archive and this is the first included
5325         object.
5326
5327 2010-12-01  Ian Lance Taylor  <iant@google.com>
5328
5329         * dwarf_reader.h (class Sized_dwarf_line_info): Add
5330         track_relocs_type_ field.
5331         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5332         Set track_relocs_type_.
5333         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
5334         contents when using RELA relocs.
5335         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
5336         reloc_map_.
5337         * reloc.cc (Track_relocs::next_addend): New function.
5338         * reloc.h (class Track_relocs): Declare next_addend.
5339
5340 2010-12-01  Ian Lance Taylor  <iant@google.com>
5341
5342         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
5343         virtual destructor.
5344
5345 2010-12-01  Ian Lance Taylor  <iant@google.com>
5346
5347         * README: Update compilers known to work and fail.
5348
5349 2010-11-23  Matthias Klose  <doko@ubuntu.com>
5350
5351         * configure.in: For --enable-gold, handle value `default' instead of
5352         `both*'.  Always install ld as ld.bfd, install as ld if gold is
5353         not the default.
5354         * configure: Regenerate.
5355
5356 2010-11-18  Doug Kwan  <dougkwan@google.com>
5357
5358         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
5359         and right_alignment to be zero.  Store result alignment only if it is
5360         greater than existing alignment.
5361
5362 2010-11-16  Cary Coutant  <ccoutant@google.com>
5363
5364         PR gold/12220
5365         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5366         Check for ".zdebug_line".
5367
5368 2010-11-16  Doug Kwan  <dougkwan@google.com>
5369             Cary Coutant  <ccoutant@google.com>
5370
5371         * output.h (Output_segment::set_section_addresses): Pass increase_relro
5372         by reference; adjust all callers.
5373         * output.cc (Output_segment::set_section_addresses): Adjust references
5374         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
5375         list is empty.
5376         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
5377         end at page boundary.
5378
5379 2010-11-16  Cary Coutant  <ccoutant@google.com>
5380
5381         PR gold/12220
5382         * layout.cc (Layout::choose_output_section): Transform names of
5383         compressed sections even when using a script with a SECTIONS clause.
5384         (Layout::output_section_name): Remove code to transform
5385         compressed debug section names.
5386         * output.cc (Output_section::add_input_section): Use uncompressed
5387         section size when tracking input sections.
5388
5389 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
5390
5391         * symtab.h (Symbol::NON_PIC_REF): Remove.
5392         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
5393         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
5394         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
5395         (Symbol::use_plt_offset): Take a flags argument and pass it
5396         directly to needs_dynamic_reloc.  Restrict check for undefined
5397         weak symbols to function calls.
5398         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
5399         (Target_arm::Scan::global): Use it.
5400         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
5401         (Target_arm::Relocate::relocate): Likewise.
5402         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
5403         parameter with an r_type parameter.  Use get_reference_flags
5404         to get the flags.
5405         (Target_arm::Relocate::relocate): Update accordingly.
5406         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
5407         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
5408         (Target_i386::Scan::global): Likewise.
5409         (Target_i386::Relocate::relocate): Likewise.
5410         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
5411         parameter with an r_type parameter.  Use get_reference_flags
5412         to get the flags.
5413         (Target_i386::Relocate::relocate): Update accordingly.
5414         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
5415         (Target_powerpc::Scan::global): Use it.
5416         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
5417         (Target_powerpc::Relocate::relocate): Likewise.
5418         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
5419         (Target_sparc::Scan::global): Use it.
5420         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
5421         (Target_sparc::Relocate::relocate): Likewise.
5422         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
5423         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
5424         (Target_x86_64::Scan::global): Likewise.
5425         (Target_x86_64::Relocate::relocate): Likewise.
5426
5427 2010-11-08  Doug Kwan  <dougkwan@google.com>
5428             Cary Coutant  <ccoutant@google.com>
5429
5430         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
5431         (Arm_exidx_merge_section::section_contents_): New data member.
5432         (Arm_input_section::Arm_input_section): Initialize original_contents_.
5433         (Arm_input_section::~Arm_input_section): De-allocate memory.
5434         (Arm_input_section::original_contents_): New data member.
5435         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
5436         in parameters instead of calling Object::section_contents without
5437         locking.
5438         (Arm_output_section::group_section): New parameter TASK.  Pass it
5439         to callees that need locking objects.
5440         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
5441         to lock EXIDX input sections.  Fix a formatting issue.  Call
5442         Arm_exidx_merged_section::build_contents to create merged section
5443         contents.
5444         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
5445         to lock object of stub table owner.
5446         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
5447         TEXT_SIZE to initialize data member TEXT_SIZE_.
5448         (Arm_exidx_input_section::addralign): Fix typo in comment.
5449         (Arm_exidx_input_section::text_size): New method.
5450         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
5451         that require locking objects.  Lock objects before scanning for stubs
5452         and updating local symbols.
5453         (Arm_input_section<big_endian>::init): Copy contents of original
5454         input section.
5455         (Arm_input_section<big_endian>::do_write): Use saved contents of
5456         original input section instead of calling Object::section_contents
5457         without locking.
5458         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
5459         size without calling Object::section_size().
5460         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
5461         for size.  Allocate a buffer for merged EXIDX entries.
5462         (Arm_exidx_merged_section::build_contents): New method.
5463         (Arm_exidx_merged_section::do_write): Move merge section contents
5464         building code to Arm_exidx_merged_section::build_contetns.  Write
5465         out contetns in buffer instead of building it on the fly.
5466         (Arm_relobj::make_exidx_input_section): Also pass text section size
5467         to Arm_exidx_input_section constructor.
5468         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
5469         (Arm_dynobj::do_read_symbols): Fix memory leak.
5470         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
5471         * target.h: (class Task): Add forward declaration.
5472         (Target::relax): Add new parameter TASK and pass it to
5473         Target::do_relax().
5474         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
5475
5476 2010-11-05  Cary Coutant  <ccoutant@google.com>
5477
5478         PR gold/10708
5479         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
5480         object when reading from the file.
5481         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
5482         second layout pass.
5483         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
5484         when reading section contents.
5485         (get_section_contents): Likewise.
5486         (icf::find_identical_sections): Likewise.
5487         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
5488         object when reading from the file.
5489         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
5490         the object when doing deferred section layout.
5491
5492 2010-11-03  Nick Clifton  <nickc@redhat.com>
5493
5494         PR gold/12001
5495         * script.h (class Symbol_assignment: name): New member.  Returns
5496         the name of the symbol.
5497         * scrfipt.cc (Script_options::is_pending_assignment): New member.
5498         Returns true if the given symbol name is on the list of
5499         assignments wating to be processed.
5500         * archive.cc (should_incldue_member): If the symbol is undefined,
5501         check to see if it is on the list of symbols pending assignment.
5502
5503 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
5504
5505         * script-sections.cc (Script_sections::find_memory_region): Check
5506         for a NULL output section pointer.
5507
5508 2010-10-29  Doug Kwan  <dougkwan@google.com>
5509
5510         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
5511         Output_section::add_relaxed_input_section.
5512         * output.cc (Output_section::add_relaxed_input_section): Add new
5513         arguments LAYOUT and NAME.  Set section order index.
5514         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5515         Copy section order index.
5516         * output.h (Output_section::add_relaxed_input_section): Add new
5517         arguments LAYOUT and NAME.
5518
5519 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5520
5521         * testsuite/Makefile.am: Move gcctestdir/ld rule to
5522         NATIVE_OR_CROSS_LINKER.
5523         * testsuite/Makefile.in: Regenerate.
5524
5525 2010-10-20  Doug Kwan  <dougkwan@google.com>
5526
5527         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
5528         without SHF_LINK_ORDER flags.
5529         * layout.cc (Layout::choose_output_section): Do not filter
5530         SHF_LINK_ORDER flag in a relocatable link.
5531
5532 2010-10-17  Cary Coutant  <ccoutant@google.com>
5533
5534         * output.h (Output_segment::set_section_addresses): Change function
5535         signature.  Update all callers.
5536         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
5537         sections.
5538         (Output_segment::set_section_addresses): Align after last TLS
5539         section.  Add padding before last relro section instead of after.
5540
5541 2010-10-17  Doug Kwan  <dougkwan@google.com>
5542
5543         * gold/arm.cc (Target_arm::got_section): Use correct order and set
5544         GOT output section to be writable.
5545
5546 2010-10-14  Cary Coutant  <ccoutant@google.com>
5547
5548         * debug.h (DEBUG_INCREMENTAL): New flag.
5549         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
5550         * gold.cc (queue_initial_tasks): Check parameters for incremental link
5551         mode.
5552         * incremental.cc (report_command_line): Ignore all forms of
5553         --incremental.
5554         * layout.cc (Layout::Layout): Check parameters for incremental link
5555         mode.
5556         * options.cc (General_options::parse_incremental): New function.
5557         (General_options::parse_no_incremental): New function.
5558         (General_options::parse_incremental_full): New function.
5559         (General_options::parse_incremental_update): New function.
5560         (General_options::incremental_mode_): New data member.
5561         (General_options::finalize): Check incremental_mode_.
5562         * options.h (General_options): Update help text for --incremental.
5563         Add --no-incremental, --incremental-full, --incremental-update.
5564         (General_options::Incremental_mode): New enum type.
5565         (General_options::incremental_mode): New function.
5566         (General_options::incremental_mode_): New data member.
5567         * parameters.cc (Parameters::incremental_mode_): New data member.
5568         (Parameters::set_options): Set incremental_mode_.
5569         (Parameters::set_incremental_full): New function.
5570         (Parameters::incremental): New function.
5571         (Parameters::incremental_update): New function.
5572         (set_parameters_incremental_full): New function.
5573         * parameters.h (Parameters::set_incremental_full): New function.
5574         (Parameters::incremental): New function.
5575         (Parameters::incremental_update): New function.
5576         (Parameters::incremental_mode_): New data member.
5577         (set_parameters_incremental_full): New function.
5578         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
5579         incremental link mode.
5580         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
5581         (Sized_relobj::do_relocate_sections): Likewise.
5582         * testsuite/Makefile.am (incremental_test): Use --incremental-full
5583         option.
5584         * testsuite/Makefile.in: Regenerate.
5585         * testsuite/incremental_test.sh: Filter all forms of --incremental.
5586
5587 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5588
5589         * script-sections.h (class Script_sections): Make
5590         Sections_elements typedef public.
5591         * script-sections.cc (class Sort_output_sections): Add elements_
5592         field.  Add constructor which sets it; change all callers.
5593         (Sort_output_sections::is_before): New function.
5594         (Sort_output_sections::operator()): Call is_before.
5595         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
5596         conditional.
5597         * testsuite/script_test_10.sh: New test. Test script section
5598         order.
5599         * testsuite/script_test_10.t: Likewise.
5600         * testsuite/script_test_10.s: Likewise.
5601         * testsuite/Makefile.am: Wrap the cross linker tests and the
5602         common tests into NATIVE_OR_CROSS_LINKER.
5603         (check_SCRIPTS): Add script_test_10.sh.
5604         (check_DATA): Add script_test_10.stdout.
5605         (script_test_10.o, script_test_10): New targets.
5606         (script_test_10.stdout): New target.
5607         * configure, testsuite/Makefile.in: Regenerate.
5608
5609 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5610
5611         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
5612         error for the deprecated relocations.
5613         (Target_arm::Scan::global): Likewise.
5614         (Target_arm::Relocate::relocate): Likewise.
5615
5616 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
5617
5618         * fileread.cc (Input_file::find_file): Initialize *found_name
5619         and *namep when using the fallback search for case 4.
5620
5621 2010-10-11  Cary Coutant  <ccoutant@google.com>
5622
5623         * options.h (class General_options): Redefine -z lazy as an alias for
5624         the negation of -z now.
5625
5626 2010-10-11  Ian Lance Taylor  <iant@google.com>
5627
5628         * resolve.cc (symbol_to_bits): Report the value of the unsupported
5629         binding.
5630
5631 2010-10-06  Nick Clifton  <nickc@redhat.com>
5632
5633         * script-sections.cc(class Memory_region): Remove
5634         current_lma_offset_ field.  Rename current_vma_offset_ to
5635         current_offset_.  Add last_section_ field.
5636         (Memory_region::get_current_vma_address): Rename to
5637         get_current_address.
5638         (Memory_region::get_current_lma_address): Delete.
5639         (Memory_region::increment_vma_offset): Rename to
5640         increment_offset.
5641         (Memory_region::increment_lma_offset): Delete.
5642         (Memory_region::attributes_compatible): New method.  Returns
5643         true if the provided section is compatible with the region.
5644         (Memory_region::get_last_section): New method.  Returns the last
5645         section to use the region.
5646         (Memory_region::set_last_section): New method.  Stores the last
5647         section to use the region.
5648         (Script_sections::block_in_region): New method.  Returns true if
5649         a block of memory is contained within a region.
5650         (Script_sections::find_memory_region): New method.  Locates a
5651         memory region to be used to set a VMA or LMA address.
5652         (Output_section_definition::set_section_addresses): Add code to
5653         check for addresses set by memory regions.
5654         (Output_segment::set_section_addresses): Remove memory region
5655         walking code.
5656         (Script_sections::create_segment): Add a warning if a header
5657         segment is created outside of any region.
5658         * script-sections.h (class Script_sections): Add prototypes for
5659         find_memory_region and block_in_region methods.
5660         * testsuite/memory_test.s: Use .long instead of .word.
5661         * testsuite/memory_test.t: Add some more output sections.
5662         * testsuite/memory_test.sh: Update expected output.
5663
5664 2010-10-02  Doug Kwan  <dougkwan@google.com>
5665
5666         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
5667         defintion to symtab.h
5668         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
5669         declaration to defintion.
5670
5671 2010-10-01  Nick Clifton  <nickc@redhat.com>
5672
5673         * expression.cc (eval): Replace dummy argument with NULL.
5674         (eval_maybe_dot): Check for a NULL result section pointer.
5675         (Symbol_expression::value): Likewise.
5676         (Dot_expression::value): Likewise.
5677         (BINARY_EXPRESSION): Likewise.
5678         (Max_expression::value): Likewise.
5679         (Min_expression::value): Likewise.
5680         (Absolute_expression::value): Likewise.
5681         (Addr_expression::value_from_output_section): Likewise.
5682         (Loaddddr_expression::value_from_output_section): Likewise.
5683         (Segment_start_expression::value): Likewise.
5684         * script-sections.cc
5685         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
5686         argument with NULL.
5687         (Sections_elememt_dot_assignment::set_section_addresses):
5688         Likewise.
5689         (Output_data_expression::do_write_to_buffer): Likewise.
5690         (Output_section_definition::finalize_symbols): Likewise.
5691         (Output_section_definition::set_section_addresses): Likewise.
5692
5693 2010-09-30  Doug Kwan  <dougkwan@google.com>
5694
5695         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
5696
5697 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
5698
5699         * target.h (Target::can_icf_inline_merge_sections): New virtual
5700         function.
5701         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
5702         virtual function.
5703         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
5704         virtual function.
5705         * icf.cc (get_section_contents): Inline merge sections only when
5706         target allows it.
5707
5708 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5709
5710         * configure: Regenerate.
5711
5712 2010-09-17  Ian Lance Taylor  <iant@google.com>
5713
5714         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
5715         * testsuite/Makefile.am (memory_test.o): New target.
5716         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
5717         memory_test.t.
5718         * testsuite/Makefile.in: Rebuild.
5719
5720 2010-09-17  Doug Kwan  <dougkwan@google.com>
5721
5722         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
5723         defintion if relocation uses GOT entries of the symbol.
5724         * testsuite/icf_safe_test.sh: Fix test.
5725         * testsuite/icf_safe_so_test.sh: Fix test.
5726
5727 2010-09-16  Cary Coutant  <ccoutant@google.com>
5728
5729         * script_sections.cc (class Memory_region): Remove "NULL" from
5730         vector initializations.
5731
5732 2010-09-15  Cary Coutant  <ccoutant@google.com>
5733
5734         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
5735         Resolve forwarding symbols.
5736
5737 2010-09-15  Doug Kwan  <dougkwan@google.com>
5738
5739         * gold/testsuite/script_test_3.t: Add ARM special sections.
5740         * gold/testsuite/script_test_4.t: Same.
5741         * gold/testsuite/script_test_5.t: Same.
5742         * gold/testsuite/script_test_6.t: Same.
5743         * gold/testsuite/script_test_7.t: Same.
5744         * gold/testsuite/script_test_7.t: Same.
5745         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
5746
5747 2010-09-14  Cary Coutant  <ccoutant@google.com>
5748
5749         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
5750         (Target_x86_64::Relocate::relocate_tls): Replace check for
5751         saw_tls_block_reloc_ with test for executable section.
5752
5753 2010-09-12  Cary Coutant  <ccoutant@google.com>
5754
5755         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
5756         position-independent executables to shared libraries need dynamic
5757         relocations.
5758         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
5759         position-independent executables.
5760         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
5761         * testsuite/Makefile.in: Regenerate.
5762
5763 2010-09-10  Nick Clifton  <nickc@redhat.com>
5764
5765         PR gold/11997
5766         * testsuite/memory_test.t: Discard any sections that are not
5767         needed.
5768
5769 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
5770
5771         PR gold/11996
5772         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
5773         "This::" to work around a bug in gcc 4.2.
5774
5775         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
5776
5777 2010-09-09  Rafael Espindola  <espindola@google.com>
5778
5779         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
5780         sections with different PF_X flags in the same segment.
5781         (Layout::find_first_load_seg): Search all segments to find the first
5782         one.
5783         * options.h (rosegment): New.
5784
5785 2010-09-08  Rafael Espindola  <espindola@google.com>
5786
5787         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
5788
5789 2010-09-08  Doug Kwan  <dougkwan@google.com>
5790
5791         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
5792         (Arm_relobj::do_relocate_sections): Add new parameter for output
5793         file to match the parent.
5794         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
5795         of local symbols instead of input values.  Update code to track
5796         changes in gold::relocate_section.
5797         * object.cc (Sized_relobj::compute_final_local_value): New methods.
5798         (Sized_relobj::compute_final_local_value_internal): New methods.
5799         (Sized_relobj::do_finalize_local_symbols): Move code from loop
5800         body into private version of Sized_relobj::compute_final_local_value.
5801         Call the inline method.
5802         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
5803         merged symbol value if there is one.
5804         (Symbol_value::has_output_value): New method defintiion.
5805         (Sized_relobj::Compute_final_local_value_status): New enum type.
5806         (Sized_relobj::compute_final_local_value): New methods.
5807         (Sized_relobj::compute_final_local_value_internal): New methods.
5808         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
5809         and arm_cortex_a8.sh.
5810         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
5811         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
5812         New tests.
5813         * Makefile.in: Regenerate.
5814         * testsuite/arm_bl_out_of_range.s: Update test.
5815         * testsuite/thumb_bl_out_of_range.s: Ditto.
5816         * testsuite/thumb_blx_out_of_range.s: Ditto.
5817         * testsuite/arm_branch_out_of_range.sh: New file.
5818         * testsuite/arm_cortex_a8.sh: Ditto.
5819         * testsuite/arm_cortex_a8_b.s: Ditto.
5820         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
5821         * testsuite/arm_cortex_a8_b_local.s: Ditto.
5822         * testsuite/arm_cortex_a8_bl.s: Ditto.
5823         * testsuite/arm_cortex_a8_blx.s: Ditto.
5824         * testsuite/arm_cortex_a8_local.s: Ditto.
5825         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
5826         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
5827
5828 2010-09-08  Rafael Espindola  <espindola@google.com>
5829
5830         * Makefile.am (memory_test.stdout): Run readelf with -W.
5831         * Makefile.in: Regenerate.
5832         * testsuite/memory_test.sh: Make the regexps accept both 32 and
5833         64 bit output.
5834
5835 2010-09-08  Rafael Espindola  <espindola@google.com>
5836
5837         * script-sections.cc (Script_sections::add_memory_region): Convert
5838         field precision to int.
5839         * script.cc (script_set_section_region, script_set_section_region):
5840         Convert field precision to int.
5841
5842 2010-09-08  Rafael Espindola  <espindola@google.com>
5843
5844         * arm.cc (do_finalize_sections): Create the __exidx_start and
5845         __exdix_end symbols even when the section is missing.
5846
5847 2010-09-08  Nick Clifton  <nickc@redhat.com>
5848
5849         * README: Remove claim that MEMORY is not supported.
5850         * expression.cc (script_exp_function_origin)
5851         (script_exp_function_length): Move from here to ...
5852         * script.cc: ... here.
5853         (script_set_section_region, script_add_memory)
5854         (script_parse_memory_attr, script_include_directive): New
5855         functions.
5856         * script-sections.cc
5857         (class Memory_region): New class.
5858         (class Output_section_definition): Add set_memory_region,
5859         set_section_vma, set_section_lma and get_section_name methods.
5860         (class Script_Sections): Add add_memory_region,
5861         find_memory_region, find_memory_region_origin,
5862         find_memory_region_length and set_memory_region methods.
5863         Have set_section_addresses method walk the list of set memory
5864         regions.
5865         Extend the print methos to display memory regions.
5866         * script-sections.h: Add prototypes for new methods.
5867         Add enum for MEMORY region attributes.
5868         * yyscript.y: Add support for parsing MEMORY regions.
5869         * script-c.h: Add prototypes for new functions.
5870         * testsuite/Makefile.am: Add test of MEMORY region functionality.
5871         * testsuite/Makefile.in: Regenerate.
5872         * testsuite/memory_test.sh: New script.
5873         * testsuite/memory_test.s: New assembler source file.
5874         * testsuite/memory_test.t: New linker script.
5875
5876 2010-08-27  Doug Kwan  <dougkwan@google.com>
5877
5878         * gold/resolve.cc (Symbol_table::should_override): Let a weak
5879         reference override an existing dynamic weak reference.
5880         * testsuite/Makefile.am: Add new test dyn_weak_ref.
5881         * testsuite/Makefile.in: Regenerate.
5882         * testsuite/dyn_weak_ref.sh: New file.
5883         * testsuite/dyn_weak_ref_1.c: Ditto.
5884         * testsuite/dyn_weak_ref_2.c: Ditto.
5885
5886 2010-08-27  Ian Lance Taylor  <iant@google.com>
5887
5888         * incremental.h (class Incremental_input_entry): Add virtual
5889         destructor.
5890
5891 2010-08-27  Ian Lance Taylor  <iant@google.com>
5892
5893         * testsuite/start_lib_test_3.c: Mark t3 as used.
5894
5895 2010-08-27  Nick Clifton  <nickc@redhat.com>
5896
5897         * options.cc (version_script): Fix small typo in previous
5898         whitespace tidyup.
5899
5900 2010-08-25  Nick Clifton  <nickc@redhat.com>
5901
5902         * archive.cc: Formatting fixes: Remove whitespace between
5903         typename and following asterisk.  Remove whitespace between
5904         function name and opening parenthesis.
5905         * archive.h: Likewise.
5906         * arm.cc: Likewise.
5907         * attributes.cc: Likewise.
5908         * attributes.h: Likewise.
5909         * common.cc: Likewise.
5910         * copy-relocs.cc: Likewise.
5911         * dirsearch.h: Likewise.
5912         * dynobj.cc: Likewise.
5913         * ehframe.cc: Likewise.
5914         * ehframe.h: Likewise.
5915         * expression.cc: Likewise.
5916         * fileread.cc: Likewise.
5917         * fileread.h: Likewise.
5918         * gc.h: Likewise.
5919         * gold-threads.cc: Likewise.
5920         * gold.cc: Likewise.
5921         * i386.cc: Likewise.
5922         * icf.h: Likewise.
5923         * incremental-dump.cc: Likewise.
5924         * incremental.cc: Likewise.
5925         * layout.cc: Likewise.
5926         * layout.h: Likewise.
5927         * main.cc: Likewise.
5928         * merge.cc: Likewise.
5929         * merge.h: Likewise.
5930         * object.cc: Likewise.
5931         * object.h: Likewise.
5932         * options.cc: Likewise.
5933         * options.h: Likewise.
5934         * output.cc: Likewise.
5935         * output.h: Likewise.
5936         * plugin.cc: Likewise.
5937         * plugin.h: Likewise.
5938         * powerpc.cc: Likewise.
5939         * reloc.cc: Likewise.
5940         * script-c.h: Likewise.
5941         * script-sections.cc: Likewise.
5942         * script.cc: Likewise.
5943         * stringpool.cc: Likewise.
5944         * symtab.cc: Likewise.
5945         * symtab.h: Likewise.
5946         * target.cc: Likewise.
5947         * timer.cc: Likewise.
5948         * timer.h: Likewise.
5949         * version.cc: Likewise.
5950         * x86_64.cc: Likewise.
5951
5952 2010-08-24  Nick Clifton  <nickc@redhat.com>
5953
5954         PR 11899
5955         * layout.cc (segment_precedes): Sort segments by their physical
5956         addresses, if they have been set.
5957
5958 2010-08-23  Cary Coutant  <ccoutant@google.com>
5959
5960         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
5961         symbols data.
5962         (Lib_group::include_member): Unlock object after deleting its
5963         symbols data.
5964         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
5965         the bug fixed here.
5966
5967 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
5968             Cary Coutant  <ccoutant@google.com>
5969
5970         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
5971         constructor, and set_blocker.
5972         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
5973         readsyms_blocker_.
5974         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
5975         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
5976         * testsuite/Makefile.am (start_lib_test): New test case.
5977         * testsuite/Makefile.in: Regenerate.
5978         * testsuite/start_lib_test_main.c: New file.
5979         * testsuite/start_lib_test_1.c: New file.
5980         * testsuite/start_lib_test_2.c: New file.
5981         * testsuite/start_lib_test_3.c: New file.
5982
5983 2010-08-19  Ian Lance Taylor  <iant@google.com>
5984
5985         * Makefile.in: Rebuild with automake 1.11.1.
5986         * aclocal.m4: Likewise.
5987         * testsuite/Makefile.in: Likewise.
5988
5989 2010-08-19  Ian Lance Taylor  <iant@google.com>
5990
5991         PR 10893
5992         * i386.cc (class Output_data_plt_i386): Update declarations.
5993         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
5994         local_ifuncs_ fields.
5995         (Target_i386::do_plt_section_for_global): New function.
5996         (Target_i386::do_plt_section_for_local): New function.
5997         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
5998         parameter; change all callers.  Initialize global_ifuncs_ and
5999         local_ifuncs_.  If doing a static link define __rel_iplt_start and
6000         __rel_iplt_end.
6001         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
6002         (Output_data_plt_i386::add_local_ifunc_entry): New function.
6003         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
6004         symbols.
6005         (Target_i386::make_plt_section): New function, broken out of
6006         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
6007         (Target_i386::make_plt_entry): Call make_plt_section.
6008         (Target_i386::make_local_ifunc_plt_entry): New function.
6009         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
6010         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
6011         R_386_IRELATIVE to switch.
6012         (Target_i386::Scan::global): Likewise.
6013         (Target_i386::Relocate::relocate): Likewise.
6014         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
6015         switch.
6016         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
6017         (Target_x86_64::do_plt_section_for_global): New function.
6018         (Target_x86_64::do_plt_section_for_local): New function.
6019         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
6020         parameter; change all callers.  If doing a static link define
6021         __rela_iplt_start and __rela_iplt_end.
6022         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
6023         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
6024         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
6025         to point to .plt.
6026         (Target_x86_64::make_local_ifunc_plt_entry): New function.
6027         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
6028         switch.
6029         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
6030         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
6031         R_X86_64_IRELATIVE to switch.
6032         (Target_x86_64::Scan::global): Likewise.
6033         (Target_x86_64::Relocate::relocate): Likewise.
6034         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
6035         switch.
6036         * target.h (class Target): Add plt_section_for_global and
6037         plt_section_for_local functions.  Add do_plt_section_for_global
6038         and do_plt_section_for_local virtual functions.
6039         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
6040         clarifying comments.
6041         (Symbol::use_plt_offset): Handle IFUNC symbol.
6042         * object.cc (Sized_relobj::Sized_relobj): Initialize
6043         local_plt_offsets_.
6044         (Sized_relobj::local_has_plt_offset): New function.
6045         (Sized_relobj::local_plt_offset): New function.
6046         (Sized_relobj::set_local_plt_offset): New function.
6047         (Sized_relobj::do_count): Handle IFUNC symbol.
6048         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
6049         a bit away from input_shndx_ field.  Add set_is_func_symbol and
6050         is_ifunc_symbol functions.
6051         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
6052         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
6053         local_plt_offsets_ field.
6054         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
6055         * output.h (class Output_section_data): Add non-const
6056         output_section function.
6057         (class Output_data_got): Update declarations.
6058         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
6059         Add use_plt_offset parameter to global and local constructors.
6060         Change all callers.  Change local_sym_index_ field to 31 bits.
6061         Change GSYM_CODE and CONSTANT_CODE accordingly.
6062         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
6063         doing a static link don't set sh_link field.
6064         (Output_data_got::Got_entry::write): Use PLT offset if
6065         appropriate.
6066         (Output_data_got::add_global_plt): New function.
6067         (Output_data_got::add_local_plt): New function.
6068         * target-reloc.h (relocate_section): Handle IFUNC symbol.
6069         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
6070         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
6071         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
6072         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
6073         IFUNC conditional.
6074         * testsuite/ifunc-sel.h: New file.
6075         * testsuite/ifuncmain1.c: New file.
6076         * testsuite/ifuncmain1vis.c: New file.
6077         * testsuite/ifuncmod1.c: New file.
6078         * testsuite/ifuncdep2.c: New file.
6079         * testsuite/ifuncmain2.c: New file.
6080         * testsuite/ifuncmain3.c: New file.
6081         * testsuite/ifuncmod3.c: New file.
6082         * testsuite/ifuncmain4.c: New file.
6083         * testsuite/ifuncmain5.c: New file.
6084         * testsuite/ifuncmod5.c: New file.
6085         * testsuite/ifuncmain6pie.c: New file.
6086         * testsuite/ifuncmod6.c: New file.
6087         * testsuite/ifuncmain7.c: New file.
6088         * configure, testsuite/Makefile.in: Rebuild.
6089
6090 2010-08-18  Ian Lance Taylor  <iant@google.com>
6091
6092         * incremental.cc
6093         (Output_section_incremental_inputs::write_input_files): Add cast
6094         to avoid signed/unsigned comparison warning.
6095         (Output_section_incremental_inputs::write_info_blocks): Likewise.
6096
6097 2010-08-12  Cary Coutant  <ccoutant@google.com>
6098
6099         * common.cc (Sort_commons::operator()): Remove unnecessary code.
6100
6101 2010-08-13  Ian Lance Taylor  <iant@google.com>
6102
6103         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
6104
6105 2010-08-12  Cary Coutant  <ccoutant@google.com>
6106             Doug Kwan  <dougkwan@google.com>
6107
6108         * resolve.cc (Symbol_table::should_override): When a weak dynamic
6109         defintion overrides non-weak undef, remember that the original undef
6110         is not weak.
6111         * symtab.cc (Symbol_table::sized_write_global): For undef without
6112         an original weak binding, set binding to global in output.
6113         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
6114         * testsuite/Makefile.in: Regenerate.
6115         * testsuite/strong_ref_weak_def.sh: New file.
6116         * testsuite/strong_ref_weak_def_1.c: Ditto.
6117         * testsuite/strong_ref_weak_def_2.c: Ditto.
6118
6119 2010-08-12  Cary Coutant  <ccoutant@google.com>
6120
6121         * testsuite/incremental_test.sh: Rewrite.
6122         * testsuite/incremental_test_1.c: Rewrite.
6123         * testsuite/incremental_test_2.c: Rewrite.
6124
6125 2010-08-12  Cary Coutant  <ccoutant@google.com>
6126
6127         * arm.cc (Target_arm::got_size): Add const.
6128         (Target_arm::got_entry_count): New function.
6129         (Target_arm::plt_entry_count): New function.
6130         (Target_arm::first_plt_entry_offset): New function.
6131         (Target_arm::plt_entry_size): New function.
6132         (Output_data_plt_arm::entry_count): New function.
6133         (Output_data_plt_arm::first_plt_entry_offset): New function.
6134         (Output_data_plt_arm::get_plt_entry_size): New function.
6135         * i386.cc (Target_i386::got_size): Add const.
6136         (Target_i386::got_entry_count): New function.
6137         (Target_i386::plt_entry_count): New function.
6138         (Target_i386::first_plt_entry_offset): New function.
6139         (Target_i386::plt_entry_size): New function.
6140         (Output_data_plt_i386::entry_count): New function.
6141         (Output_data_plt_i386::first_plt_entry_offset): New function.
6142         (Output_data_plt_i386::get_plt_entry_size): New function.
6143         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
6144         find_incremental_inputs_sections.  Dump incremental_got_plt section.
6145         * incremental.cc: Include target.h.
6146         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
6147         parameter.  Adjust all callers.  Find incremental_got_plt section.
6148         (Incremental_inputs::create_data_sections): Create incremental_got_plt
6149         section.
6150         (Output_section_incremental_inputs::set_final_data_size): Calculate
6151         size of incremental_got_plt section.
6152         (Output_section_incremental_inputs::do_write): Write the
6153         incremental_got_plt section.
6154         (Got_plt_view_info): New struct.
6155         (Local_got_offset_visitor): New class.
6156         (Global_got_offset_visitor): New class.
6157         (Global_symbol_visitor_got_plt): New class.
6158         (Output_section_incremental_inputs::write_got_plt): New function.
6159         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
6160         Add parameter.  Adjust all callers.
6161         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
6162         (Incremental_inputs::got_plt_section): New function.
6163         (Incremental_inputs::got_plt_section_): New data member.
6164         (Incremental_got_plt_reader): New class.
6165         * layout.cc (Layout::create_incremental_info_sections): Add the
6166         incremental_got_plt section.
6167         * object.h (Got_offset_list::get_list): New function.
6168         (Got offset_list::for_all_got_offsets): New function.
6169         (Sized_relobj::local_got_offset_list): New function.
6170         * powerpc.cc (Target_powerpc::got_size): Add const.
6171         (Target_powerpc::got_entry_count): New function.
6172         (Target_powerpc::plt_entry_count): New function.
6173         (Target_powerpc::first_plt_entry_offset): New function.
6174         (Target_powerpc::plt_entry_size): New function.
6175         (Output_data_plt_powerpc::entry_count): New function.
6176         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
6177         (Output_data_plt_powerpc::get_plt_entry_size): New function.
6178         * sparc.cc (Target_sparc::got_size): Add const.
6179         (Target_sparc::got_entry_count): New function.
6180         (Target_sparc::plt_entry_count): New function.
6181         (Target_sparc::first_plt_entry_offset): New function.
6182         (Target_sparc::plt_entry_size): New function.
6183         (Output_data_plt_sparc::entry_count): New function.
6184         (Output_data_plt_sparc::first_plt_entry_offset): New function.
6185         (Output_data_plt_sparc::get_plt_entry_size): New function.
6186         * symtab.h (Symbol::got_offset_list): New function.
6187         (Symbol_table::for_all_symbols): New function.
6188         * target.h (Sized_target::got_entry_count): New function.
6189         (Sized_target::plt_entry_count): New function.
6190         (Sized_target::plt_entry_size): New function.
6191         * x86_64.cc (Target_x86_64::got_size): Add const.
6192         (Target_x86_64::got_entry_count): New function.
6193         (Target_x86_64::plt_entry_count): New function.
6194         (Target_x86_64::first_plt_entry_offset): New function.
6195         (Target_x86_64::plt_entry_size): New function.
6196         (Output_data_plt_x86_64::entry_count): New function.
6197         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
6198         (Output_data_plt_x86_64::get_plt_entry_size): New function.
6199
6200 2010-08-12  Cary Coutant  <ccoutant@google.com>
6201
6202         * archive.cc: Include incremental.h.
6203         (Archive::Archive): Initialize incremental_info_.
6204         (Archive::include_member): Record archive members in incremental info.
6205         (Add_archive_symbols::run): Record begin and end of an archive in
6206         incremental info.
6207         (Lib_group::include_member): Record objects in incremental info.
6208         * archive.h (Incremental_archive_entry): Forward declaration.
6209         (Archive::set_incremental_info): New member function.
6210         (Archive::incremental_info): New member function.
6211         (Archive::Unused_symbol_iterator): New class.
6212         (Archive::unused_symbols_begin): New member function.
6213         (Archive::unused_symbols_end): New member function.
6214         (Archive::incremental_info_): New data member.
6215         * incremental-dump.cc (find_input_containing_global): New function.
6216         (dump_incremental_inputs): Dump new incremental info sections.
6217         * incremental.cc: Include symtab.h.
6218         (Output_section_incremental_inputs): New class.
6219         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
6220         new incremental info sections.
6221         (Sized_incremental_binary::do_check_inputs): Likewise.
6222         (Incremental_inputs::report_archive): Remove.
6223         (Incremental_inputs::report_archive_begin): New function.
6224         (Incremental_inputs::report_archive_end): New function.
6225         (Incremental_inputs::report_object): New function.
6226         (Incremental_inputs::finalize_inputs): Remove.
6227         (Incremental_inputs::report_input_section): New function.
6228         (Incremental_inputs::report_script): Rewrite.
6229         (Incremental_inputs::finalize): Do nothing but finalize string table.
6230         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
6231         (Incremental_inputs::sized_create_inputs_section_data): Remove.
6232         (Incremental_inputs::create_data_sections): New function.
6233         (Incremental_inputs::relocs_entsize): New function.
6234         (Output_section_incremental_inputs::set_final_data_size): New function.
6235         (Output_section_incremental_inputs::do_write): New function.
6236         (Output_section_incremental_inputs::write_header): New function.
6237         (Output_section_incremental_inputs::write_input_files): New function.
6238         (Output_section_incremental_inputs::write_info_blocks): New function.
6239         (Output_section_incremental_inputs::write_symtab): New function.
6240         * incremental.h (Incremental_script_entry): Forward declaration.
6241         (Incremental_object_entry): Forward declaration.
6242         (Incremental_archive_entry): Forward declaration.
6243         (Incremental_inputs): Forward declaration.
6244         (Incremental_inputs_header_data): Remove.
6245         (Incremental_inputs_header): Remove.
6246         (Incremental_inputs_header_write): Remove.
6247         (Incremental_inputs_entry_data): Remove.
6248         (Incremental_inputs_entry): Remove.
6249         (Incremental_inputs_entry_write): Remove.
6250         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
6251         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
6252         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
6253         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
6254         Likewise.
6255         (Incremental_input_entry): New class.
6256         (Incremental_script_entry): New class.
6257         (Incremental_object_entry): New class.
6258         (Incremental_archive_entry): New class.
6259         (Incremental_inputs::Incremental_inputs): Initialize new data members.
6260         (Incremental_inputs::report_inputs): Remove.
6261         (Incremental_inputs::report_archive): Remove.
6262         (Incremental_inputs::report_archive_begin): New function.
6263         (Incremental_inputs::report_archive_end): New function.
6264         (Incremental_inputs::report_object): Change prototype.
6265         (Incremental_inputs::report_input_section): New function.
6266         (Incremental_inputs::report_script): Change prototype.
6267         (Incremental_inputs::get_reloc_count): New function.
6268         (Incremental_inputs::set_reloc_count): New function.
6269         (Incremental_inputs::create_data_sections): New function.
6270         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
6271         (Incremental_inputs::inputs_section): New function.
6272         (Incremental_inputs::symtab_section): New function.
6273         (Incremental_inputs::relocs_section): New function.
6274         (Incremental_inputs::get_stringpool): Add const.
6275         (Incremental_inputs::command_line): Add const.
6276         (Incremental_inputs::inputs): Remove.
6277         (Incremental_inputs::command_line_key): New function.
6278         (Incremental_inputs::input_file_count): New function.
6279         (Incremental_inputs::input_files): New function.
6280         (Incremental_inputs::relocs_entsize): New function.
6281         (Incremental_inputs::sized_create_inputs_section_data): Remove.
6282         (Incremental_inputs::finalize_inputs): Remove.
6283         (Incremental_inputs::Input_info): Remove.
6284         (Incremental_inputs::lock_): Remove.
6285         (Incremental_inputs::inputs_): Change type.
6286         (Incremental_inputs::inputs_map_): Remove.
6287         (Incremental_inputs::current_object_entry_): New data member.
6288         (Incremental_inputs::inputs_section_): New data member.
6289         (Incremental_inputs::symtab_section_): New data member.
6290         (Incremental_inputs::relocs_section_): New data member.
6291         (Incremental_inputs::reloc_count_): New data member.
6292         (Incremental_inputs_reader): New class.
6293         (Incremental_symtab_reader): New class.
6294         (Incremental_relocs_reader): New class.
6295         * layout.cc (Layout::finalize): Move finalization of incremental info
6296         and creation of incremental info sections to follow finalization of
6297         symbol table.  Set offsets for postprocessing sections.
6298         (Layout::create_incremental_info_sections): Call
6299         Incremental_inputs::create_data_sections.  Add incremental symtab
6300         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
6301         sections to layout after input sections.
6302         * layout.h (struct Timespec): Forward declaration.
6303         (Layout::incremental_inputs): Add const.
6304         (Layout::create_incremental_info_sections): Add parameter.
6305         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
6306         * object.cc: Include incremental.h.
6307         (Relobj::finalize_incremental_relocs): New function.
6308         (Sized_relobj::do_layout): Record input sections in incremental info.
6309         * object.h (Object::output_section): New function.
6310         (Object::output_section_offset): Moved from Relobj.
6311         (Object::get_incremental_reloc_base): New function.
6312         (Object::get_incremental_reloc_count): New function.
6313         (Object::do_output_section): New function.
6314         (Object::do_output_section_offset): Moved from Relobj.
6315         (Object::do_get_incremental_reloc_base): New function.
6316         (Object::do_get_incremental_reloc_count): New function.
6317         (Object::Object): Initialize new data members.
6318         (Relobj::output_section): Renamed do_output_section and moved to
6319         protected.
6320         (Relobj::output_section_offset): Moved to Object.
6321         (Relobj::do_get_incremental_reloc_base): New function.
6322         (Relobj::do_get_incremental_reloc_count): New function.
6323         (Relobj::allocate_incremental_reloc_counts): New function.
6324         (Relobj::count_incremental_reloc): New function.
6325         (Relobj::finalize_incremental_relocs): New function.
6326         (Relobj::next_incremental_reloc_index): New function.
6327         (Relobj::reloc_counts_): New data member.
6328         (Relobj::reloc_bases_): New data member.
6329         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
6330         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
6331         (Sized_relobj::incremental_relocs_scan): New function.
6332         (Sized_relobj::incremental_relocs_scan_reltype): New function.
6333         (Sized_relobj::incremental_relocs_write): New function.
6334         (Sized_relobj::incremental_relocs_write_reltype): New function.
6335         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
6336         incremental link.
6337         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
6338         archives and object files elsewhere.
6339         (Add_symbols::run): Report object files here.
6340         (Finish_group::run): Report end of archive at end of group.
6341         * reloc.cc: Include layout.h, incremental.h.
6342         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
6343         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
6344         (Sized_relobj::incremental_relocs_scan): New function.
6345         (Sized_relobj::incremental_relocs_scan_reltype): New function.
6346         (Sized_relobj::do_relocate_sections): Write incremental relocations.
6347         (Sized_relobj::incremental_relocs_write): New function.
6348         (Sized_relobj::incremental_relocs_write_reltype): New function.
6349         * script.cc (read_input_script): Rewrite test for incremental link.
6350         Change call to Incremental_inputs::report_script.
6351         * symtab.h (Symbol_table::first_global_index): New function.
6352         (Symbol_table::output_count): New function.
6353
6354 2010-08-12  Doug Kwan  <dougkwan@google.com>
6355
6356         * arm.cc (Target_arm::merge_object_attributes): Check command line
6357         options --no-wchar-size-warning and --no-enum-size-warning.
6358         * options.h (General_options): Add ld-compatible options
6359         --no-enum-size-warning and --no-wchar-size-warning.
6360
6361 2010-08-04  Ian Lance Taylor  <iant@google.com>
6362
6363         * x86_64.cc (Target_x86_64::Scan::local): Use
6364         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
6365         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
6366         (Target_x86_64::Scan::global): Likewise.
6367         (Target_x86_64::Relocate::relocate): Likewise.
6368         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
6369         Likewise.
6370
6371 2010-08-03  Cary Coutant  <ccoutant@google.com>
6372
6373         * merge.cc (Output_merge_string::do_add_input_section): Count strings
6374         to reserve space in merged_strings vector. Keep total input size
6375         for stats.
6376         (Output_merge_string::do_print_merge_stats): Print total input size.
6377         * merge.h (Output_merge_string): Add input_size_ field.
6378         * stringpool.cc (Stringpool_template::string_length): Move
6379         implementations out of Stringpool_template class and place in
6380         stringpool.h.
6381         * stringpool.h (string_length): Move out of Stringpool_template.
6382
6383 2010-08-03  Ian Lance Taylor  <iant@google.com>
6384
6385         PR 11712
6386         * layout.cc (relaxation_loop_body): If address of load segment is
6387         set, adjust address to include headers if possible.
6388
6389 2010-08-03  Ian Lance Taylor  <iant@google.com>
6390
6391         * version.cc (version_string): Bump to 1.10.
6392
6393 2010-08-03  Ian Lance Taylor  <iant@google.com>
6394
6395         PR 11805
6396         * layout.h (enum Output_section_order): Define.
6397         (class Layout): Update declarations.
6398         * layout.cc (Layout::get_output_section): Add order parameter.
6399         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
6400         is_first_non_relro parameters.  Change all callers.
6401         (Layout::choose_output_section): Likewise.
6402         (Layout::add_output_section_data): Likewise.
6403         (Layout::make_output_section): Likewise.  Set order.
6404         (Layout::default_section_order): New function.
6405         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
6406         * output.cc (Output_section::Output_section): Initialize order_.
6407         Don't initialize deleted fields.
6408         (Output_segment::Output_segment): Don't initialize deleted
6409         fields.
6410         (Output_segment::add_output_section_to_load): New function
6411         replacing add_output_section.  Change all callers to call this or
6412         add_output_section_to_nonload.
6413         (Output_segment::add_output_section_to_nonload): New function.
6414         (Output_segment::remove_output_section): Rewrite.
6415         (Output_segment::add_initial_output_data): Likewise.
6416         (Output_segment::has_any_data_sections): Likewise.
6417         (Output_segment::is_first_section_relro): Likewise.
6418         (Output_segment::maximum_alignment): Likewise.
6419         (Output_segment::has_dynamic_reloc): New function replacing
6420         dynamic_reloc_count.  Change all callers.
6421         (Output_segment::has_dynamic_reloc_list): New function replacing
6422         dynamic_reloc_count_list.  Change all callers.
6423         (Output_segment::set_section_addresses): Rewrite.
6424         (Output_segment::set_offset): Rewrite.
6425         (Output_segment::find_first_and_last_list): Remove.
6426         (Output_segment::set_tls_offsets): Rewrite.
6427         (Output_segment::first_section_load_address): Likewise.
6428         (Output_segment::output_section_count): Likewise.
6429         (Output_segment::section_with_lowest_load_address): Likewise.
6430         (Output_segment::write_section_headers): Likewise.
6431         (Output_segment::print_sections_to_map): Likewise.
6432         * output.h (class Output_data): Remove dynamic_reloc_count_
6433         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
6434         (Output_data::add_dynamic_reloc): Rewrite.
6435         (Output_data::has_dynamic_reloc): New function.
6436         (Output_data::dynamic_reloc_count): Remove.
6437         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
6438         is_last_relro_, is_first_non_relro_, is_interp_,
6439         is_dynamic_linker_section_ fields.  Add order and set_order
6440         functions.  Remove is_relro_local, set_is_relro_local,
6441         is_last_relro, set_is_last_relro, is_first_non_relro,
6442         set_is_first_non_relro functions, is_interp, set_is_interp,
6443         is_dynamic_linker_section, and set_is_dynamic_linker_section
6444         functions.
6445         (class Output_segment): Change Output_data_list from std::list to
6446         std:;vector.  Add output_lists_ field.  Remove output_data_ and
6447         output_bss_ fields.  Update declarations.
6448
6449 2010-08-02  Ian Lance Taylor  <iant@google.com>
6450
6451         * arm.cc (Target_arm::gc_process_relocs): Use typename.
6452         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
6453         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
6454
6455 2010-08-02  Ian Lance Taylor  <iant@google.com>
6456
6457         PR 11855
6458         * script.cc (Script_options::Script_options): Initialize
6459         symbol_definitions_ and symbol_references_.
6460         (Script_options::add_symbol_assignment): Update
6461         symbol_definitions_ and symbol_references_.
6462         (Script_options::add_symbol_reference): New function.
6463         (script_symbol): New function.
6464         * script.h (class Script_options): Add symbol_definitions_ and
6465         symbol_references_ fields.
6466         (Script_options::referenced_const_iterator): New type.
6467         (Script_options::referenced_begin): New function.
6468         (Script_options::referenced_end): New function.
6469         (Script_options::is_referenced): New function.
6470         (Script_options::any_unreferenced): New function.
6471         * script-c.h (script_symbol): Declare.
6472         * yyscript.y (exp): Call script_symbol.
6473         * symtab.cc: Include "script.h".
6474         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
6475         Change all callers.  Check symbols referenced by scripts.
6476         (Symbol_table::add_undefined_symbols_from_command_line): Add
6477         layout parameter.  Change all callers.
6478         (Symbol_table::do_add_undefined_symbols_from_command_line):
6479         Likewise.  Break out loop body.  Check symbols referenced by
6480         scripts.
6481         (Symbol_table::add_undefined_symbol_from_command_line): New
6482         function broken out of
6483         do_add_undefined_symbols_from_command_line.
6484         * symtab.h (class Symbol_table): Update declarations.
6485         * archive.cc: Include "layout.h".
6486         (Archive::should_include_member): Add layout parameter.  Change
6487         all callers.  Check for symbol mentioned in expression.
6488         * archive.h (class Archive): Update declaration.
6489         * object.cc (Sized_relobj::do_should_include_member): Add layout
6490         parameter.
6491         * object.h (Object::should_include_member): Add layout parameter.
6492         Change all callers.
6493         (Object::do_should_include_member): Add layout parameter.
6494         (class Sized_relobj): Update declaration.
6495         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
6496         parameter.
6497         * dynobj.h (class Sized_dynobj): Update declaration.
6498         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
6499         layout parameter.
6500         * plugin.h (class Sized_pluginobj): Update declaration.
6501
6502 2010-08-02  Ian Lance Taylor  <iant@google.com>
6503
6504         PR 11866
6505         * output.cc (Output_segment::set_offset): Search for the first and
6506         last sections rather than assuming that the list is in order.
6507         (Output_segment::find_first_and_last_list): New function.
6508         * output.h (class Output_segment): Update declarations.
6509         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
6510         (relro_strip_test_SOURCES): New variable.
6511         (relro_strip_test_DEPENDENCIES): New variable.
6512         (relro_strip_test_LDFLAGS): New variable.
6513         (relro_strip_test_LDADD): New variable.
6514         (relro_strip_test.so): New target.
6515
6516 2010-08-02  Ian Lance Taylor  <iant@google.com>
6517
6518         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
6519         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
6520         (Target_i386::got_tlsdesc_section): New function.
6521         (Target_i386::got_section): Create space for GOT entries for
6522         TLSDESC relocations.
6523         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
6524         R_386_TLS_GOTDESC.
6525         (Target_i386::Scan::global): Likewise.
6526         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
6527         using TLSDESC GOT.
6528         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
6529         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
6530         (Target_x86_64::got_tlsdesc_section): New function.
6531         (Target_x86_64::got_section): Create space for GOT entries for
6532         TLSDESC relocations.
6533         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
6534         R_386_TLS_GOTDESC.
6535         (Target_x86_64::Scan::global): Likewise.
6536         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
6537         using TLSDESC GOT.
6538
6539 2010-08-02  Ian Lance Taylor  <iant@google.com>
6540
6541         * testsuite/final_layout.sh: Use dc to convert from hex to
6542         decimal.
6543
6544 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
6545
6546         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
6547         paramter to the call to gold::gc_process_relocs.
6548         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
6549         paramter to the call to gold::gc_process_relocs.
6550         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
6551         parameter to the call to gold::gc_process_relocs.
6552         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
6553         template parameter to the call to gold::gc_process_relocs.
6554         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
6555         paramter to the call to gold::gc_process_relocs.
6556         * gc.h (get_embedded_addend_size): New function.
6557         (gc_process_relocs): Save the size of the reloc for use by ICF.
6558         * icf.cc (get_section_contents): Get the addend from the text section
6559         for SHT_REL relocation sections.
6560         * icf.h (Icf::Reloc_addend_size_info): New typedef.
6561         (Icf::Reloc_info): Add new member reloc_addend_size_info.
6562         * int_encoding.h (read_from_pointer): New overloaded function.
6563         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
6564         * testsuite/icf_sht_rel_addend_test.sh: New file.
6565         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
6566         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
6567
6568 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6569
6570         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
6571         * Makefile.in: Regenerate.
6572         * testsuite/Makefile.in: Regenerate.
6573
6574 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
6575
6576         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
6577         * gold/testsuite/debug_msg.cc: Likewise.
6578         * gold/testsuite/odr_violation1.cc
6579         * gold/testsuite/odr_violation2.cc
6580
6581 2010-07-21  Cary Coutant  <ccoutant@google.com>
6582
6583         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
6584         string, and length fields.
6585         (Output_merge_string::Merged_strings_list): New type.
6586         (Output_merge_string::Merged_strings_lists): New typedef.
6587         (Output_merge_string): Replace merged_strings_ with
6588         merged_strings_lists_.
6589         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
6590         Merged_strings_list per input object and section.  Don't store pointer
6591         to the string.  Don't store length with each merged string entry.
6592         (Output_merge_string::finalize_merged_data): Loop over list of merged
6593         strings lists.  Recompute length of each merged string.
6594
6595 2010-07-15  Cary Coutant  <ccoutant@google.com>
6596
6597         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
6598         here.
6599
6600 2010-07-14  Ian Lance Taylor  <iant@google.com>
6601
6602         * descriptors.cc (Descriptors::open): Report correct name in error
6603         message.
6604
6605 2010-07-13  Doug Kwan  <dougkwan@google.com>
6606
6607         * arm.cc (Arm_input_section::Arm_input_section): For a
6608         SHT_ARM_EXIDX section, always keeps the input sections.
6609         (Arm_input_section::set_exidx_section_link): New method.
6610         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
6611         has_errors_ to false.
6612         (Arm_exidx_input_section::has_errors,
6613         Arm_exidx_input_section::set_has_errors): New methods.
6614         (Arm_exidx_input_section::has_errors_): New data member.
6615         (Arm_relobj::get_exidx_shndx_list): New method.
6616         (Arm_output_section::append_text_sections_to_list): Do not skip
6617         section without SHF_EXECINSTR.
6618         (Arm_output_section::fix_exidx_coverage): Skip input sections with
6619         errors.
6620         (Arm_relobj::make_exidx_input_section): Add new parameter for text
6621         section header.  Make error messages more verbose.  Check for
6622         a non-executable section linked to an EXIDX section.
6623         (Arm_relobj::do_read_symbols): Remove error checking, which has been
6624         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
6625         check that there is no deferred EXIDX section if we exit early.
6626         Instead of not making an EXIDX section in case of an error, make one
6627         and set the has_errors flag of it.
6628         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
6629         in a relocatable link.
6630         (Target_arm::do_relax): Look for the EXIDX output section instead of
6631         assuming that it is called .ARM.exidx.
6632         (Target_arm::fix_exidx_coverage): Add a new parameter for input
6633         section list.  Do not check for SHF_EXECINSTR section flags but
6634         skip any input section with errors.
6635         * output.cc (Output_section::Output_section): Initialize
6636         always_keeps_input_sections_ to false.
6637         (Output_section::add_input_section): Check for
6638         always_keeps_input_sections_.
6639         *  output.h (Output_section::always_keeps_input_sections,
6640         Output_section::set_always_keeps_input_sections): New methods.
6641         (Output_section::always_keeps_input_sections): New data member.
6642
6643 2010-07-13  Rafael Espindola  <espindola@google.com>
6644
6645         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
6646         * fileread.h (Input_file): Add try_extra_search_path and find_file.
6647
6648 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
6649             Ian Lance Taylor  <iant@google.com>
6650
6651         * output.h (Output_section_lookup_maps::add_merge_section):
6652         Correct check of whether value was inserted.
6653         (Output_section_lookup_maps::add_merge_input_section): Likewise.
6654         (Output_section_lookup_maps::add_relaxed_input_section):
6655         Likewise.
6656         * arm.cc (Target_arm::got_section): Remove used local os.
6657         * i386.cc (Target_i386::got_section): Likewise.
6658         * x86_64.cc (Target_x86_64::got_section): Likewise.
6659         * sparc.cc (Target_sparc::got_section): Likewise.
6660         (Target_sparc::relocate): Remove unused local have_got_offset.
6661         * powerpc.cc (Target_powerpc::relocate): Likewise.
6662
6663 2010-07-13  Ian Lance Taylor  <iant@google.com>
6664
6665         * compressed_output.cc (zlib_decompress): Fix signature in
6666         !HAVE_ZLIB_H case.
6667
6668         * archive.cc (Archive::include_member): Unlock an external member
6669         of a thin archive.  Don't bother to delete an object we know is
6670         NULL.
6671
6672 2010-07-12  Cary Coutant  <ccoutant@google.com>
6673
6674         * compressed_output.cc (zlib_decompress): New function.
6675         (get_uncompressed_size): New function.
6676         (decompress_input_section): New function.
6677         * compressed_output.h (get_uncompressed_size): New function.
6678         (decompress_input_section): New function.
6679         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
6680         Handle compressed debug sections.
6681         * layout.cc (is_compressed_debug_section): New function.
6682         (Layout::output_section_name): Map compressed section names to
6683         canonical names.
6684         * layout.h (is_compressed_debug_section): New function.
6685         (is_debug_info_section): Recognize compressed debug sections.
6686         * merge.cc: Include compressed_output.h.
6687         (Output_merge_data::do_add_input_section): Handle compressed
6688         debug sections.
6689         (Output_merge_string::do_add_input_section): Handle compressed
6690         debug sections.
6691         * object.cc: Include compressed_output.h.
6692         (Sized_relobj::Sized_relobj): Initialize new data members.
6693         (build_compressed_section_map): New function.
6694         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
6695         * object.h (Object::section_is_compressed): New method.
6696         (Object::do_section_is_compressed): New method.
6697         (Sized_relobj::Compressed_section_map): New type.
6698         (Sized_relobj::do_section_is_compressed): New method.
6699         (Sized_relobj::compressed_sections_): New data member.
6700         * output.cc (Output_section::add_input_section): Handle compressed
6701         debug sections.
6702         * reloc.cc: Include compressed_output.h.
6703         (Sized_relobj::write_sections): Handle compressed debug sections.
6704
6705 2010-07-08  Cary Coutant  <ccoutant@google.com>
6706
6707         * resolve.cc (Symbol_table::resolve): Remember whether undef was
6708         weak when resolving to a dynamic def.
6709         (Symbol_table::should_override): Add adjust_dyndef flag; set it
6710         for weak undef/dynamic def cases. Adjust callers.
6711         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
6712         undef_binding_weak_.
6713         (Symbol_table::sized_write_globals): Adjust symbol binding.
6714         (Symbol_table::sized_write_symbol): Add binding parameter.
6715         * symtab.h (Symbol::set_undef_binding): New method.
6716         (Symbol::is_undef_binding_weak): New method.
6717         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
6718         (Symbol_table::should_override): Add new parameter.
6719         (Symbol_table::sized_write_symbol): Add new parameter.
6720
6721         * testsuite/weak_undef_file1.cc: Add new test case.
6722         * testsuite/weak_undef_file2.cc: Fix header comment.
6723         * testsuite/weak_undef_test.cc: Add new test case.
6724
6725 2010-06-29  Doug Kwan  <dougkwan@google.com>
6726
6727         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
6728         Initialize USE_SYMBOL_.
6729         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
6730         definition.
6731         (Arm_reloc_property::uses_symbol_): New data member declaration.
6732         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
6733         uses symbol value and symbol is undefined but not weakly undefined.
6734
6735 2010-06-28  Rafael Espindola  <espindola@google.com>
6736
6737         * plugin.cc (Plugin::load): Use dlerror.
6738
6739 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
6740
6741         * symtab.cc (detect_odr_violations): When reporting an ODR
6742         violation, report an object where the symbol is defined.
6743
6744 2010-06-25  Doug Kwan  <dougkwan@google.com>
6745
6746         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
6747         (Target_arm::section_may_have_icf_unsafe_pointers): New method
6748         definition.
6749         (Target_arm::Scan::local_reloc_may_be_function_pointer,
6750         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
6751         target hook to detect function points.
6752         (Target_arm::Scan::possible_function_pointer_reloc): New method.
6753         * icf.h (Icf::check_section_for_function_pointers): Change type of
6754         parameter SECTION_NAME to const reference to std::string.  Use
6755         target hook to determine if section may have unsafe pointers.
6756         * target.h (Target::section_may_have_icf_unsafe_pointers): New
6757         method definition.
6758
6759 2010-06-21  Rafael Espindola  <espindola@google.com>
6760
6761         * fileread.cc (Input_file::find_fie): New
6762         (Input_file::open): Use Input_file::find_fie.
6763         * fileread.h (Input_file::find_fie): New
6764         * plugin.cc (set_extra_library_path): New.
6765         (Plugin::load): Add set_extra_library_path to the transfer vector.
6766         (Plugin_manager::set_extra_library_path): New.
6767         (Plugin_manager::add_input_file): Use the extra search path if set.
6768         (set_extra_library_path(): New.
6769         * plugin.h (Plugin_manager): Add set_extra_library_path and
6770         extra_search_path_.
6771
6772 2010-06-19  Cary Coutant  <ccoutant@google.com>
6773
6774         * layout.cc (gdb_sections): Add .debug_types.
6775         (lines_only_debug_sections): Likewise.
6776
6777 2010-06-18  Rafael Espindola  <espindola@google.com>
6778
6779         * plugin.cc (add_input_file,add_input_library)
6780         (Plugin_manager::add_input_file): Make filename arguments const.
6781         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
6782         const.
6783
6784 2010-06-16  Doug Kwan  <dougkwan@google.com>
6785
6786         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
6787         .ARM.attributes section if we have not merged any input
6788         attributes sections.
6789
6790 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6791
6792         * arm.cc: Allow combining objects with no EABI version
6793         information.
6794
6795 2010-06-15  Rafael Espindola  <espindola@google.com>
6796
6797         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
6798
6799 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6800
6801         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
6802         (struct iovec): Correct !HAVE_READV definition.
6803
6804 2010-06-10  Cary Coutant  <ccoutant@google.com>
6805
6806         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
6807         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
6808         reloc sections.
6809         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
6810
6811         PR 11683
6812         * symtab.h (Symbol::is_placeholder): New member function.
6813         * target-reloc.h (relocate_section): Check for placeholder symbols.
6814
6815         * testsuite/Makefile.am (plugin_test_8): New test.
6816         (plugin_test_9): New test.
6817         * testsuite/Makefile.in: Regenerate.
6818
6819 2010-06-09  Nick Clifton  <nickc@redhat.com>
6820
6821         * yyscript.y (input_list_element): Allow strings prefixed with
6822         the '-' character.  Treat these as libraries.
6823         * script.cc (script_add_library): New function.  Adds a library
6824         specified by "-l<name>" found in an input script.
6825         * script-c.h: Add prototype for script_add_library.
6826
6827 2010-06-07  Doug Kwan  <dougkwan@google.com>
6828
6829         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
6830         Restrict stub-group size to be within long conditional branch
6831         range when working around cortex-A8 erratum.
6832
6833 2010-06-07  Damien Diederen  <dd@crosstwine.com>
6834
6835         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
6836         #ifdef typo.
6837
6838 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
6839
6840         PR gold/11658
6841         * output.cc
6842         (Output_section::Input_section_sort_entry::compare_section_ordering):
6843         Change to return non-zero correctly.
6844         (Output_section::Input_section_sort_section_order_index_compare
6845         ::operator()): Change to fix ambiguity in comparisons.
6846
6847 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
6848
6849         * gold.h (is_wildcard_string): New function.
6850         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
6851         (Layout::layout_eh_frame): Ditto.
6852         (Layout::find_section_order_index): New method.
6853         (Layout::read_layout_from_file): New method.
6854         * layout.h (Layout::find_section_order_index): New method.
6855         (Layout::read_layout_from_file): New method.
6856         (Layout::input_section_position_): New private member.
6857         (Layout::input_section_glob_): New private member.
6858         * main.cc (main): Call read_layout_from_file here.
6859         * options.h (--section-ordering-file): New option.
6860         * output.cc (Output_section::input_section_order_specified_): New
6861         member.
6862         (Output_section::Output_section): Initialize new member.
6863         (Output_section::add_input_section): Add new parameter.
6864         Keep input sections when --section-ordering-file is used.
6865         (Output_section::set_final_data_size): Sort input sections when
6866         section ordering file is specified.
6867         (Output_section::Input_section_sort_entry): Add new parameter.
6868         Check sorting type.
6869         (Output_section::Input_section_sort_entry::compare_section_ordering):
6870         New method.
6871         (Output_section::Input_section_sort_compare::operator()): Change to
6872         consider section_order_index.
6873         (Output_section::Input_section_sort_init_fini_compare::operator()):
6874         Change to consider section_order_index.
6875         (Output_section::Input_section_sort_section_order_index_compare
6876         ::operator()): New method.
6877         (Output_section::sort_attached_input_sections): Change to sort
6878         according to section order when specified.
6879         (Output_section::add_input_section<32, true>): Add new parameter.
6880         (Output_section::add_input_section<64, true>): Add new parameter.
6881         (Output_section::add_input_section<32, false>): Add new parameter.
6882         (Output_section::add_input_section<64, false>): Add new parameter.
6883         * output.h (Output_section::add_input_section): Add new parameter.
6884         (Output_section::input_section_order_specified): New
6885         method.
6886         (Output_section::set_input_section_order_specified): New method.
6887         (Input_section::Input_section): Initialize section_order_index_.
6888         (Input_section::section_order_index): New method.
6889         (Input_section::set_section_order_index): New method.
6890         (Input_section::section_order_index_): New member.
6891         (Input_section::Input_section_sort_section_order_index_compare): New
6892         struct.
6893         (Output_section::input_section_order_specified_): New member.
6894         * script-sections.cc (is_wildcard_string): Delete and move modified
6895         method to gold.h.
6896         (Output_section_element_input::Output_section_element_input): Modify
6897         call to is_wildcard_string.
6898         (Output_section_element_input::Input_section_pattern
6899         ::Input_section_pattern): Ditto.
6900         (Output_section_element_input::Output_section_element_input): Ditto.
6901         * testsuite/Makefile.am (final_layout): New test case.
6902         * testsuite/Makefile.in: Regenerate.
6903         * testsuite/final_layout.cc: New file.
6904         * testsuite/final_layout.sh: New file.
6905
6906 2010-06-01  Rafael Espindola  <espindola@google.com>
6907
6908         * plugin.cc (Plugin::load): Pass the output name to the plugin.
6909
6910 2010-06-01  Rafael Espindola  <espindola@google.com>
6911
6912         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
6913         visibility of symbols.
6914
6915 2010-05-27  Doug Kwan  <dougkwan@google.com>
6916
6917         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
6918         from start of output section instead of address for a local symbol
6919         in a merged or relaxed section when doing a relocatable link.
6920
6921 2010-05-26  Rafael Espindola  <espindola@google.com>
6922
6923         PR 11604
6924         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
6925         adding sections the garbage collector removed.
6926         * gold/testsuite/Makefile.am: Add test.
6927         * gold/testsuite/Makefile.in: Regenerate.
6928         * gold/testsuite/plugin_test_7.sh: New.
6929         * gold/testsuite/plugin_test_7_1.c: New.
6930         * gold/testsuite/plugin_test_7_2.c: New.
6931
6932 2010-05-26  Rafael Espindola  <espindola@google.com>
6933
6934         * script-sections.cc (Output_section_definition::set_section_addresses):
6935         Check for --section-start.
6936
6937 2010-05-26  Doug Kwan  <dougkwan@google.com>
6938
6939         * arm.cc (Arm_scan_relocatable_relocs): New class.
6940         (Target_arm::relocate_special_relocatable): New method.
6941         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
6942         (Arm_relocate_functions::thumb_branch_common): Same.
6943         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
6944         instead of Default_scan_relocatable_relocs.
6945         * target-reloc.h (relocate_for_relocatable): Let target handle
6946         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
6947         * target.h (Sized_target::relocate_special_relocatable): New method.
6948
6949 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6950
6951         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
6952
6953 2010-05-23  Doug Kwan  <dougkwan@google.com>
6954
6955         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
6956         instead of a cast.
6957         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
6958         with a direct branch, not a conditional branch, to a stub.
6959         * merge.cc (Output_merge_base::record_input_section): New method
6960         defintion.
6961         (Output_merge_data::do_add_input_section): Record input section if
6962         keeps-input-sections flag is set.
6963         (Output_merge_string::do_add_input_section): Ditto.
6964         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
6965         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
6966         INPUT_SECTIONS_.
6967         (Output_merge_base::keeps_input_sections,
6968         Output_merge_base::set_keeps_input_sections,
6969         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
6970         method definitions.
6971         (Output_merge_base::Input_sections): New type declaration.
6972         (Output_merge_base::input_sections_begin,
6973         Output_merge_base::input_sections_end,
6974         Output_merge_base::do_set_keeps_input_sections): New method definitions.
6975         (Output_merge_base::bool keeps_input_sections_,
6976         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
6977         Output_merge_base::input_sections_): New data members.
6978         (Output_merge_data::do_set_keeps_input_sections): New method
6979         defintion.
6980         (Output_merge_string::do_set_keeps_input_sections): Ditto.
6981         * output.cc (Output_section::Input_section::relobj): Move method
6982         defintion from class declaration to here and handle merge sections.
6983         (Output_section::Input_section::shndx): Ditto.
6984         (Output_section::Output_section): Remove initializations of removed
6985         data members and initialize new data member LOOKUP_MAPS_.
6986         (Output_section::add_input_section): Set keeps-input-sections flag
6987         for a newly created merge output section as appropriate.  Adjust code
6988         to use Output_section_lookup_maps class.
6989         (Output_section::add_relaxed_input_section): Adjst code for lookup
6990         maps code refactoring.
6991         (Output_section::add_merge_input_section): Add a new parameter
6992         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
6993         class.  If adding input section to a newly created merge output
6994         section fails, remove the new merge section.
6995         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
6996         Adjust code for use of the Output_section_lookup_maps class.
6997         (Output_section::find_merge_section): Ditto.
6998         (Output_section::build_lookup_maps): New method defintion.
6999         (Output_section::find_relaxed_input_section): Adjust code to use
7000         Output_section_lookup_maps class.
7001         (Output_section::get_input_sections): Export merge sections.  Adjust
7002         code to use Output_section_lookup_maps class.
7003         (Output_section:::add_script_input_section): Adjust code to use
7004         Output_section_lookup_maps class.  Update lookup maps for merge
7005         sections also.
7006         (Output_section::discard_states): Use Output_section_lookup_maps.
7007         (Output_section::restore_states): Same.
7008         * output.h (Merge_section_properties): Move class defintion out of
7009         Output_section.
7010         (Output_section_lookup_maps): New class.
7011         (Output_section::Input_section::is_merge_section): New method
7012         defintion.
7013         (Output_section::Input_section::relobj): Move defintion out of class
7014         defintion.  Declare method only.
7015         (Output_section::Input_section::shndx): Ditto.
7016         (Output_section::Input_section::output_merge_base): New method defintion.
7017         (Output_section::Input_section::u2_.pomb): New union field.
7018         (Output_section::Merge_section_by_properties_map,
7019         Output_section::Output_section_data_by_input_section_map,
7020         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
7021         Remove types.
7022         (Output_section::add_merge_input_section): Add new parameter
7023         KEEPS_INPUT_SECTIONS.
7024         (Output_section::build_lookup_maps): New method declaration.
7025         (Output_section::merge_section_map_,
7026         Output_section::merge_section_by_properties_map_,
7027         Output_section::relaxed_input_section_map_,
7028         Output_section::is_relaxed_input_section_map_valid_): Remove data
7029         members.
7030         (Output_section::lookup_maps_): New data member.
7031
7032 2010-05-21  Doug Kwan  <dougkwan@google.com>
7033
7034         PR gold/11619
7035         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
7036         avoid a compilation error.
7037
7038 2010-05-19  Rafael Espindola  <espindola@google.com>
7039
7040         * script-sections.cc (Output_section_definition::allocate_to_segment):
7041         Update the phdrs_list even when the output section is NULL.
7042         * testsuite/Makefile.am: Add test.
7043         * testsuite/Makefile.in: Regenerate.
7044         * testsuite/script_test_9.cc: New.
7045         * testsuite/script_test_9.sh: New.
7046         * testsuite/script_test_9.t: New.
7047
7048 2010-05-19  Doug Kwan  <dougkwan@google.com>
7049
7050         * arm.cc (Arm_input_section::original_size): New method.
7051         (Arm_input_section::do_addralign): Add a cast.
7052         (Arm_input_section::do_output_offset): Remove static cast.
7053         (Arm_input_section::original_addralign,
7054          Arm_input_section::original_size_): Change type to uint32_t.
7055         (Arm_input_section::init): Add safe casts for section alignment
7056         and size.
7057         (Arm_input_section::set_final_data_size): Do not set address and
7058         offset of stub table.
7059         (Arm_output_section::fix_exidx_coverage): Change use of of
7060         Output_section::Simple_input_section to that of
7061         Output_section::Input_section.
7062         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
7063         except for the first pass.
7064         * output.cc (Output_section::get_input_sections): Change type of
7065         input_sections to std::list<Input_section>.
7066         (Output_section::add_script_input_section): Rename from
7067         Output_section::add_simple_input_section.  Change type of SIS
7068         parameter from Simple_input_section to Input_section.
7069         * output.h (Output_section::Simple_input_section): Remove class.
7070         (Output_section::Input_section): Change class visibility to public.
7071         (Output_section::Input_section::addralign): Use stored alignments
7072         for special input sections if set.
7073         (Output_section::Input_section::set_addralign): New method.
7074         (Output_section::get_input_sections): Change parameter type from
7075         list of Simple_input_section to list of Input_section.
7076         (Output_section::add_script_input_section): Rename from
7077         Output_section::add_simple_input_section. Change first parameter's
7078         type from Simple_input_section to Input_section and remove the
7079         second and third parameters.
7080         * script-sections.cc (Input_section::Input_section_list): Change
7081         type to list of Output_section::Input_section/
7082         (Input_section_info::Input_section_info): Change parameter type of
7083         INPUT_SECTION to Output_section::Input_section.
7084         (Input_section_info::input_section): Change return type.
7085         (Input_section_info::input_section_): Change type to
7086         Output_section::Input_section.
7087         (Output_section_element_input::set_section_addresses): Adjust code
7088         to use Output_section::Input_section instead of
7089         Output_section::Simple_input_section.  Adjust code for renaming
7090         of Output_section::add_simple_input_section.
7091         (Orphan_output_section::set_section_addresses): Ditto.
7092
7093 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7094
7095         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
7096         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
7097
7098 2010-05-18  Rafael Espindola  <espindola@google.com>
7099
7100         * options.cc (General_options::finalize): Handle -nostdlib.
7101         * options.h (nostdlib): New option.
7102         * script.cc (script_add_search_dir): Handle -nostdlib.
7103
7104 2010-05-12  Doug Kwan  <dougkwan@google.com>
7105
7106         * arm.cc (Target_arm::do_finalize_sections): Create an empty
7107         attributes section only if there no attributes section after merging.
7108         (Target_arm::merge_object_attributes): Move value of
7109         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
7110         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
7111         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
7112         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
7113         and arm_attr_merge_7.stdout.
7114         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
7115         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
7116         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
7117         arm_attr_merge_7b.o): New rules.
7118         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
7119         arm_attr_merge_7
7120         * testsuite/Makefile.in: Regenerate.
7121         * testsuite/arm_attr_merge.sh: New file.
7122         * testsuite/arm_attr_merge_[67][ab].s: Same.
7123
7124 2010-05-05  Nick Clifton  <nickc@redhat.com>
7125
7126         * po/es.po: Updated Spanish translation.
7127
7128 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
7129
7130         * Makefile.am (install-exec-local): Properly install gold as
7131         default cross linker.
7132         * Makefile.in: Regenerated.
7133
7134 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
7135             Nick Clifton  <nickc@redhat.com>
7136
7137         * configure.ac (install_as_default): Define and set to false
7138         unless --enable-gold or --enable-gold=both/gold has been
7139         specified.
7140         * configure: Regenerate.
7141
7142         * Makefile.am (install-exec-local): Install the executable as
7143         'ld.gold'.  If install_as_default is true then also install it as
7144         'ld'.
7145         * Makefile.in: Regenerated.
7146
7147 2010-04-24  Ian Lance Taylor  <iant@google.com>
7148
7149         * layout.cc (Layout::layout_reloc): In relocatable link don't
7150         combine reloc sections for grouped sections.
7151
7152 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
7153
7154         * gc.h (gc_process_relocs): Pass information on relocs pointing to
7155         sections that are not ordinary to icf.
7156         * icf.cc (get_section_contents): Handle relocation pointing to section
7157         with no object or shndx information.
7158         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
7159         * testsuite/Makefile.in: Regenerate.
7160         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
7161         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
7162
7163 2010-04-22  Ian Lance Taylor  <iant@google.com>
7164
7165         * expression.cc (Expression::Expression_eval_info): Add
7166         result_alignment_pointer field.
7167         (Expression::eval_with_dot): Add result_alignment_pointer
7168         parameter.  Change all callers.
7169         (Expression::eval_maybe_dot): Likewise.
7170         (class Binary_expression): Add alignment_pointer parameter to
7171         left_value and right_value.  Change all callers.
7172         (BINARY_EXPRESSION): Set result alignment.
7173         (class Trinary_expression): Add alignment_pointer parameter to
7174         arg2_value and arg3_value.  Change all callers.
7175         (Trinary_cond::value): Set result alignment.
7176         (Max_expression::value, Min_expression::value): Likewise.
7177         (Align_expression::value): Likewise.
7178         * script-sections.cc (class Sections_element): Add dot_alignment
7179         parameter to set_section_addresses virtual function.  Update
7180         instantiations.
7181         (class Output_section_element): Likewise.
7182         (Script_sections::create_segments): Add dot_alignment parameter.
7183         Change all callers.
7184         (Script_sections::create_segments_from_phdrs_clause): Likewise.
7185         (Script_sections::set_phdrs_clause_addresses): Likewise.
7186         * script-sections.h: Update declarations.
7187         * script.h: Update declarations.
7188         * output.h (Output_segment::set_minimum_p_align): Don't decrease
7189         min_p_align.
7190         * testsuite/script_test_3.t: Set large alignment.
7191         * testsuite/script_test_3.sh: Make sure that at least one LOAD
7192         segment has expected alignment.
7193
7194 2010-04-22  Nick Clifton  <nickc@redhat.com>
7195
7196         * po/gold.pot: Updated by the Translation project.
7197         * po/vi.po: Updated Vietnamese translation.
7198
7199 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
7200
7201         * testsuite/Makefile.am (check_PROGRAMS): Add
7202         icf_virtual_function_folding_test.
7203         * testsuite/Makefile.in: Regenerated.
7204
7205 2010-04-15  Andrew Haley  <aph@redhat.com>
7206
7207         * options.h (merge_exidx_entries): New option.
7208         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
7209         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
7210         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
7211         (Target_arm::merge_exidx_entries): New function.
7212         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
7213         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
7214         to Arm_exidx_fixup constructor.
7215         Add new arg, merge_exidx_entries.
7216         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
7217         Arm_output_section::fix_exidx_coverage.
7218
7219 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
7220
7221         * icf.cc (get_section_contents): Check for preemptible functions.
7222         Ignore addend when appropriate.
7223         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
7224         section folded.
7225         (add_from_relobj): Check for section folded.
7226         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
7227         * symtab.h (should_add_dynsym_entry): Add new parameter.
7228         * target-reloc.h (scan_relocs): Check for section folded.
7229         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
7230         Check reloc types for function pointers in shared objects.
7231         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
7232         case.
7233         (icf_preemptible_functions_test): New test case.
7234         (icf_string_merge_test): New test case.
7235         * testsuite.Makefile.in: Regenerate.
7236         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
7237         bar_glob.  Refactor code.
7238         * testsuite/icf_preemptible_functions_test.cc: New file.
7239         * testsuite/icf_preemptible_functions_test.sh: New file.
7240         * testsuite/icf_string_merge_test.cc: New file.
7241         * testsuite/icf_string_merge_test.sh: New file.
7242         * testsuite/icf_virtual_function_folding_test.cc: New file.
7243         * testsuite/icf_virtual_function_folding_test.sh: New file.
7244
7245 2010-04-14  Doug Kwan  <dougkwan@google.com>
7246
7247         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
7248         for local symbol recounting if we remove a section due to ICF.
7249         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
7250         there are no regular objects in input.
7251
7252 2010-04-13  Doug Kwan  <dougkwan@google.com>
7253
7254         * arm.cc (Arm_input_section::set_final_data_size): Compute
7255         accurate final data size instead of using current data size.
7256
7257 2010-04-09  Doug Kwan  <dougkwan@google.com>
7258
7259         * layout.cc (Layout::choose_output_section): Handle script section
7260         types.
7261         (Layout::make_output_section_for_script): Add section type parameter.
7262         Handle script section types.
7263         * layout.h (Layout::make_output_section_for_script): Add section
7264         type parameter.
7265         * output.cc (Output_section::Output_section): Initialize data member
7266         is_noload_.
7267         (Output_section::do_reset_address_and_file_offset): Do not set address
7268         to 0 if section is a NOLOAD section.
7269         * output.h (Output_section::is_noload): New method.
7270         (Output_section::set_is_noload): Ditto.
7271         (Output_section::is_noload_): New data member.
7272         * script-c.h (Script_section_type): New enum type.
7273         (struct Parser_output_section_header): Add new file section_type.
7274         * script-sections.cc (Sections_element::output_section_name): Add
7275         parameter for returning script section type.
7276         (Output_section_definition::output_section_name): Ditto.
7277         (Output_section_definition::section_type)P; New method.
7278         (Output_section_definiton::script_section_type_name): Ditto.
7279         (Output_section_definition::script_section_type_): New data member.
7280         (Output_section_definition::Output_section_definition): Initialize
7281         data member Output_section_definition::script_section_type_.
7282         (Output_section_definition::create_sections): Pass script section type
7283         to Layout::make_output_section_for_script.
7284         (Output_section_definition::output_section_name): Return script
7285         section type to caller.
7286         (Output_section_definition::set_section_address): Do not advance
7287         dot value and load address if section type is NOLOAD.  Set address
7288         of NOLOAD sections regardless of section flags.
7289         (Output_section_definition::print): Print section type if it is
7290         not SCRIPT_SECTION_TYPE_NONE.
7291         (Output_section_definition::section_type): New method.
7292         (Output_section_definition::script_section_type_name): Ditto.
7293         (Script_sections::output_section_name): Add new parameter
7294         PSECTION_TYPE for returning script section type.  Pass it to
7295         section elements.  Handle discard sections.
7296         (Sort_output_sections::operator()): Handle NOLOAD sections.
7297         * script-sections.h (Script_sections::Section_type): New enum type.
7298         (Script_sections::output_section_name): Add a new parameter for
7299         returning script section type.
7300         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
7301         INFO and NOLOAD.
7302         * yyscript.y (union): Add new field SECTION_TYPE.
7303         (COPY, DSECT, INFO, NOLOAD): New tokens.
7304         (opt_address_and_section_type): Change type to output_section_header.
7305         (section_type): New non-terminal
7306         (section_header): Handle section type.
7307         (opt_address_and_section_type): Return section type value.
7308
7309 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
7310
7311         * testsuite/plugin_common_test_1.c (foo): Add prototype.
7312         * testsuite/plugin_common_test_2.c (foo): Likewise.
7313
7314 2010-04-08  Doug Kwan  <dougkwan@google.com>
7315
7316         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
7317         Output_merge_data.
7318         * output.cc (Output_section::add_merge_input_section): Simplify
7319         code and return status of Output_merge_base::add_input_section.
7320         Update merge section map only if Output_merge_base::add_input_section
7321         returns true.
7322
7323 2010-04-07  Doug Kwan  <dougkwan@google.com>
7324
7325         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
7326         if section is marked as containing instructions but has no mapping
7327         symbols.
7328         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
7329         correct section index.
7330         (Arm_relobj::find_linked_text_section): Ditto.
7331
7332 2010-04-07  Cary Coutant  <ccoutant@google.com>
7333
7334         * archive.cc (include_member): Destroy Read_symbols_data object before
7335         releasing file.
7336         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
7337         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
7338         (Read_symbols_data::~Read_symbols_data) New destructor.
7339         (Section_relocs::Section_relocs) New constructor.
7340         (Section_relocs::~Section_relocs) New destructor.
7341         (Read_relocs_data::Read_relocs_data) New constructor.
7342         (Read_relocs_data::~Read_relocs_data) New destructor.
7343         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
7344         pointers to NULL after deleting.
7345
7346 2010-04-07  Doug Kwan  <dougkwan@google.com>
7347
7348         * arm.cc: Replace "endianity" with "endianness" in comments.
7349         (Arm_exidx_cantunwind): Ditto.
7350         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
7351         (Arm_relobj::merge_flags_and_attributes): New method.
7352         (Arm_relobj::merge_flags_and_attributes_): New data member.
7353         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
7354         (Arm_relobj::scan_sections_for_stubs): Ditto.
7355         (Arm_relobj::do_read_symbols): Check to see if we really want to
7356         merge processor-specific flags and attributes.  Exit early if
7357         an object is empty except for section names and the undefined symbol.
7358         (Target_arm::do_finalize_sections): Move check for ELF format to
7359         Arm_relobj::do_read_symbols.  Merge processor specific flags and
7360         attributes from a regular object only when we have determined that
7361         it is aapropriate.  Do not create an .ARM.attributes section in
7362         output if there is no regular input object.
7363         (Target_arm::merge_processor_specific_flags): Check
7364         --warn-mismatch before printing any error.
7365         (Target_arm::merge_object_attributes): Ditto.
7366         * gold.cc (queue_middle_tasks): Handle the case in which there is
7367         no regular object in input.
7368         * options.cc (General_options::parse_EB): New method.
7369         (General_options::parse_EL): Same.
7370         (General_options::General_options): Initialize endianness_.
7371         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
7372         New options.
7373         (General_options::Endianness): New enum.
7374         (General_options::endianness): New method.
7375         (General_options::endianness_): New data member.
7376         * parameters.cc (Parameters::set_options): Check target endianness.
7377         (Parameters::set_target_once): Ditto.
7378         (Parameters::check_target_endianness): New method.
7379         (parameters_force_valid_target): If either -EL or -EB is specified,
7380         use it to define endianness of default target.
7381         * parameters.h (Parameters::check_target_endianness): New method
7382         declaration.
7383         * target.h (class Target): Change "endianity" to "endianness"
7384         in comments.
7385
7386 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7387
7388         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
7389         * configure: Regenerate.
7390         * Makefile.in: Regenerate.
7391         * testsuite/Makefile.in: Regenerate.
7392
7393 2010-04-06  Cary Coutant  <ccoutant@google.com>
7394
7395         gcc PR lto/42757
7396         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
7397         prevailing definitions of common symbols.
7398         * testsuite/plugin_test_6.sh: New test case.
7399         * testsuite/plugin_common_test_1.c: New test case.
7400         * testsuite/plugin_common_test_2.c: New test case.
7401         * testsuite/Makefile.am (plugin_test_6): New test case.
7402         * testsuite/Makefile.in: Regenerate.
7403
7404 2010-04-06  Nick Clifton  <nickc@redhat.com>
7405
7406         * po/vi.po: New Vietnamese translation.
7407
7408 2010-03-30  Doug Kwan  <dougkwan@google.com>
7409
7410         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
7411
7412 2010-03-25  Doug Kwan  <dougkwan@google.com>
7413
7414         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
7415         to avoid a conversion warning on a 32-bit host.
7416
7417 2010-03-24  Ian Lance Taylor  <iant@google.com>
7418
7419         * testsuite/script_test_3.t: Add a TLS segment.
7420         * testsuite/Makefile.am (check_PROGRAMS): Add
7421         tls_phdrs_script_test.
7422         (tls_phdrs_script_test_SOURCES): Define.
7423         (tls_phdrs_script_test_DEPENDENCIES): Define.
7424         (tls_phdrs_script_test_LDFLAGS): Define.
7425         (tls_phdrs_script_test_LDADD): Define.
7426         * testsuite/Makefile.in: Rebuild.
7427
7428 2010-03-23  Cary Coutant  <ccoutant@google.com>
7429
7430         * fileread.cc (find_or_make_view): Fix comment.
7431
7432 2010-03-23  Ian Lance Taylor  <iant@google.com>
7433
7434         * script-sections.cc (class Orphan_section_placement): Define
7435         PLACE_TLS and PLACE_TLS_BSS.
7436         (Orphan_section_placement::Orphan_section_placement): Initialize
7437         new places.
7438         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
7439         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
7440         (tls_script_test_SOURCES): Define.
7441         (tls_script_test_DEPENDENCIES): Define.
7442         (tls_script_test_LDFLAGS): Define.
7443         (tls_script_test_LDADD): Define.
7444         * testsuite/Makefile.in: Rebuild.
7445
7446 2010-03-22  Doug Kwan  <dougkwan@google.com>
7447
7448         * arm.cc (Arm_relocate_functions::abs8,
7449         Arm_relocate_functions::abs16): Use correct check for overflow
7450         specified in the ARM ELF specs.
7451         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
7452         target of a BLX instruction specially.
7453         (Reloc_stub::stub_type_for_reloc): Ditto.
7454         (Relocate::relocate): Use symbolic names instead of numeric relocation
7455         codes to report error.
7456         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
7457         workaround.
7458         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
7459         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
7460         thumb2_blx_out_of_range.stdout
7461         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
7462         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
7463         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
7464         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
7465         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
7466         thumb2_blx_in_range, thumb2_blx_in_range.o,
7467         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
7468         thumb2_blx_out_of_range.o): New rules.
7469         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
7470         thumb2_blx_in_range and thumb2_blx_out_of_range.
7471         * testsuite/Makefile.in: Regenerate.
7472         * arm_branch_in_range.sh: Add tests for THUMB BLX.
7473         * testsuite/thumb_blx_in_range.s: New file.
7474         * testsuite/thumb_blx_out_of_range.s: New file.
7475
7476 2010-03-22  Rafael Espindola  <espindola@google.com>
7477
7478         * archive.cc (Should_include): Move to archive.h.
7479         (should_include_member): Make it a member of Archive.
7480         (Lib_group): New.
7481         (Add_lib_group_symbols): New.
7482         * archive.h: Include options.h.
7483         (Archive_member): Moved from Archive.
7484         (Should_include): Moved from archive.cc.
7485         (Lib_group): New.
7486         (Add_lib_group_symbols): New.
7487         * dynobj.cc (do_should_include_member): New.
7488         * dynobj.h (do_should_include_member): New.
7489         * gold.cc (queue_initial_tasks): Update call to queue.
7490         * main.cc (main): Print lib group stats.
7491         * object.cc (do_should_include_member): New.
7492         * object.h: Include archive.h.
7493         (Object::should_include_member): New.
7494         (Object::do_should_include_member): New.
7495         (Sized_relobj::do_should_include_member): New.
7496         * options.cc (General_options::parse_start_lib): New.
7497         (General_options::parse_end_lib): New.
7498         (Input_arguments::add_file): Handle lib groups.
7499         (Input_arguments::start_group): Check we are not in a lib.
7500         (Input_arguments::start_lib): New.
7501         (Input_arguments::end_lib): New.
7502         * options.h (General_options): Add start_lib and end_lib.
7503         (Input_argument::lib_): New.
7504         (Input_argument::lib): New.
7505         (Input_argument::is_lib): New.
7506         (Input_file_lib): New.
7507         (Input_arguments::in_lib_): New.
7508         (Input_arguments::in_lib): New.
7509         (Input_arguments::start_lib): New.
7510         (Input_arguments::end_lib_): New.
7511         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
7512         in unused members as preempted.
7513         (Sized_pluginobj::do_should_include_member): New.
7514         * plugin.h (Sized_pluginobj::do_should_include_member): New.
7515         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
7516         return the blocker.
7517         (Read_symbols::do_whole_lib_group): New.
7518         (Read_symbols::do_lib_group): New.
7519         (Read_symbols::do_read_symbols): Handle lib groups.
7520         (Read_symbols::get_name): Handle lib groups.
7521         * readsyms.h (Read_symbols): Add an archive member pointer.
7522         (Read_symbols::do_whole_lib_group): New.
7523         (Read_symbols::do_lib_group): New.
7524         (Read_symbols::member_): New.
7525         * script.cc (read_input_script): Update call to queue_soon.
7526
7527 2010-03-19  Doug Kwan  <dougkwan@google.com>
7528
7529         * arm.cc (Stub_table::Stub_table): Initialize new data members
7530         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
7531         (Stub_table::add_reloc_stub): Assign stub offset and update
7532         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
7533         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
7534         New data members.
7535         (Stub_table::update_data_size_and_addralign): Use
7536         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
7537         instead of going over all reloc stubs.
7538         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
7539         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
7540         Stringpool_template::offset_ to size of Stringpool_char.
7541         (Stringpool_template::new_key_offset): Remove code to initialize
7542         Stringpool_template::offset_.
7543         * stringpool.h (Stringpool_template::set_no_zero_null): Set
7544         Stringpool_template::offset_ to zero.
7545
7546 2010-03-15  Doug Kwan  <dougkwan@google.com>
7547
7548         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
7549         offset_.
7550         (Stringpool_template::new_key_offset): New method.
7551         (Stringpool_template::add_string): Assign offsets when adding new
7552         strings.
7553         (Stringpool_template::set_string_offsets): Do not set string offsets
7554         when not optimizing.
7555         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
7556         member size_.
7557         (Chunked_vector::clear): Clear size_.
7558         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
7559         (Chunked_vector::size): Return size_.
7560         (Chunked_vector::push_back): Use size_ to find insert position.
7561         (Chunked_vector::size_): New data member.
7562         (Stringpool_template::set_no_zero_null): Assert string set is empty.
7563         (Stringpool_template::new_key_offset): New method declaration.
7564         (Stringpool_template::offset_): New data member.
7565
7566 2010-03-15   Rafael Espindola  <espindola@google.com>
7567
7568         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
7569         Add_symbols' constructor.
7570         * readsyms.h (Add_symbols): Remove the input_group member.
7571
7572 2010-03-10  Ian Lance Taylor  <iant@google.com>
7573
7574         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
7575         target to ask whether a reference to a symbol requires a stack
7576         split.
7577         * target.h (Target::is_call_to_non_split): New function.
7578         (Target::do_is_call_to_non_split): Declare virtual function.
7579         * target.cc: Include "symtab.h".
7580         (Target::do_is_call_to_non_split): New function.
7581         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
7582
7583 2010-03-10  Cary Coutant  <ccoutant@google.com>
7584
7585         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
7586         (File_read::open[1]): Remove initial mapping of whole_file_view_.
7587         (File_read::open[2]): Add whole_file_view_ to list of views.
7588         (File_read::make_view): Remove test of whole_file_view_.
7589         (File_read::find_or_make_view): Create whole_file_view_ if
7590         necessary.
7591         (File_read::clear_views): Replace bool parameter with enum;
7592         adjust all callers.  Don't delete views with permanent data;
7593         do delete cached views and views from archives if
7594         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
7595         if clearing the corresponding view.
7596         * fileread.h (File_read::Clear_views_mode): New enum.
7597         (File_read::View::is_permanent_view): New method.
7598         (File_read::clear_views): Replace bool parameter
7599         with enum; adjust all callers.
7600         * options.h (General_options): Change keep_files_mapped option;
7601         add map_whole_files.
7602         * readsyms.cc (Add_symbols::run): Delete sd_ object before
7603         releasing the file.
7604         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
7605         the file.
7606
7607 2010-03-10  David S. Miller  <davem@davemloft.net>
7608
7609         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
7610
7611 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
7612
7613         * icf.cc (get_section_contents): Add '@' marker after processing the
7614         merge reloc.
7615
7616 2010-03-08  Doug Kwan  <dougkwan@google.com>
7617
7618         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
7619         due to a conversion warning.
7620         (Arm_relobj::update_output_local_symbol_count): Check for local
7621         symbol with unset output index.
7622
7623 2010-03-05  Ian Lance Taylor  <iant@google.com>
7624
7625         * options.h (class General_options): Add --spare-dynamic-tags.
7626         * output.cc (Output_data_dynamic::set_final_data_size): Implement
7627         --spare-dynamic-tags.
7628
7629 2010-03-05  Ian Lance Taylor  <iant@google.com>
7630
7631         * incremental.cc: Include "libiberty.h".
7632
7633 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7634
7635         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
7636         function, is_info_ member.
7637         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
7638         (Versions::Versions): Update caller.
7639         (Versions::define_base_version): Likewise.
7640         (Versions::add_def): Likewise.
7641
7642 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
7643
7644         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
7645         (Scan::possible_function_pointer_reloc): New function.
7646         (Scan::local_reloc_may_be_function_pointer): Change to call
7647         possible_function_pointer_reloc.
7648         (Scan::global_reloc_may_be_function_pointer): Ditto.
7649         * icf.h (Icf::check_section_for_function_pointers): Change to reject
7650         relocations in ".data.rel.ro._ZTV" section.
7651         * testsuite/icf_safe_so_test.sh: Change to pass i386.
7652         * testsuite/icf_safe_so_test.cc: Ditto.
7653         * testsuite/icf_safe_test.cc: Ditto.
7654         * testsuite/icf_safe_test.sh: Ditto.
7655
7656 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7657             Ian Lance Taylor  <iant@google.com>
7658
7659         * target-reloc.h (relocate_section): Check the symbol table index
7660         for -1U before setting the local symbol index.
7661         (scan_relocatable_relocs): If copying the relocation, record that
7662         the local symbol is required.
7663         * object.h (Symbol_value::is_output_symtab_index_set): New
7664         function.
7665         (Symbol_value::may_be_discarded_from_output_symtab): New
7666         function.
7667         (Symbol_value::has_output_symtab_entry): New function.
7668         (Symbol_value::needs_output_symtab_entry): Remove.
7669         (Symbol_value::output_symtab_index): Make sure the symbol index is
7670         set.
7671         (Symbol_value::set_output_symtab_index): Make sure the symbol
7672         index is not set.  Make sure the new index is valid.
7673         (Symbol_value::set_must_have_output_symtab_entry): New function.
7674         (Symbol_value::has_output_dynsym_entry): New function.
7675         (Symbol_value::set_output_dynsym_index): Make sure the new index
7676         is valid.
7677         (Sized_relobj::set_must_have_output_symtab_entry): New function.
7678         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
7679         local symbol if permitted.
7680         (Sized_relobj::do_finalize_local_symbols): Call
7681         is_output_symtab_index_set rather than needs_output_symtab_entry.
7682         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
7683         rather than needs_output_symtab_entry.  Call
7684         has_output_dynsym_entry rather than needs_output_dynsym_entry.
7685         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
7686         is_output_symtab_index_set rather than needs_output_symtab_entry.
7687         * testsuite/discard_locals_relocatable_test.c: New file.
7688         * testsuite/discard_locals_test.sh: Test -r.
7689         * testsuite/Makefile.am (check_DATA): Add
7690         discard_locals_relocatable_test1.syms,
7691         discard_local_relocatable_test2.syms.
7692         (MOSTLYCLEANFILES): Likewise.  Also add
7693         discard_locals_relocatable_test1.lout and
7694         discard_locals_relocatable_test2.out.
7695         (discard_locals_relocatable_test1.syms): New target.
7696         (discard_locals_relocatable_test.o): New target.
7697         (discard_locals_relocatable_test1.out): New target.
7698         (discard_locals_relocatable_test2.syms): New target.
7699         (discard_locals_relocatable_test2.out): New target.
7700         (various): Add missing ../ld-new dependencies.
7701         * testsuite/Makefile.in: Rebuild.
7702
7703 2010-03-03  Nick Clifton  <nickc@redhat.com>
7704
7705         * po/fi.po: New Finnish translation.
7706
7707 2010-03-01  Doug Kwan  <dougkwan@google.com>
7708
7709         * layout.cc (Layout::Layout): Force section types of .init_array*,
7710         .preinit_array* and .fini_array* sections.
7711         * output.cc (Output_section::Input_section_sort_entry::has_priority):
7712         Fix check of return value of std::string::find.().
7713         (Output_section::Input_section_sort_compare::operator()): Remove
7714         comment about .init_array.
7715         (Output_section::Input_section_sort_init_fini_compare::operator()):
7716         New method.
7717         (Output_section::sort_attached_input_sections): Handle .init_array
7718         and .fini_array specially.
7719         * output.h (Output_section::Inut_section_sort_compare): Update
7720         comment.
7721         (Output_section::Input_section_sort_init_fini_compare): New struct.
7722
7723 2010-02-26  Doug Kwan  <dougkwan@google.com>
7724
7725         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
7726         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
7727         * testsuite/debug_msg.sh: Avoid matching source line number for
7728         use of global variable undef_int.
7729
7730 2010-02-26  Doug Kwan  <dougkwan@google.com>
7731
7732         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
7733         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
7734         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
7735         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
7736         * options.cc (General_options::General_options): Initialize member
7737         fix_v4bx_.
7738         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
7739         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
7740         and rm_no_fix_v4bx.stdout
7741         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
7742         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
7743         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
7744         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
7745         and arm_no_fix_v4bx.
7746         * Makefile.in: Regenerate.
7747         * testsuite/arm_fix_v4bx.s: New file.
7748         * testsuite/arm_fix_v4bx.sh: Ditto.
7749
7750 2010-02-24  Doug Kwan  <dougkwan@google.com>
7751
7752         * arm.cc (Target_arm::got_section): Make the .got section the first
7753         non RELRO section in the data segment.
7754         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
7755         suffixes of section names.
7756
7757 2010-02-24  Doug Kwan  <dougkwan@google.com>
7758
7759         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
7760         flags and attributes merging if an input file is a binary file.
7761         * fileread.cc (Input_file::open): Record format of original file.
7762         * fileread.h (Input_file::Format): New enum type.
7763         (Input_file::Input_file): Initialize data member format_.
7764         (Input_file::format): New method definition.
7765         (Input_file::format_):: New data member.
7766
7767 2010-02-24  Doug Kwan  <dougkwan@google.com>
7768
7769         * arm.cc (Arm_output_data_got): New class.
7770         (ARM_TCB_SIZE): New constant
7771         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
7772         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
7773         If user uses a script with a SECTIONS clause, issue only a warning
7774         for a misplaced EXIDX input section.  Otherwise, issue an error.
7775         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
7776         garbage collection.
7777         (Target_arm::got_mode_index_entry): Handle static linking.
7778         (Target_arm::Scan::local): Ditto.
7779         (Target_arm::Scan::global): Ditto.
7780         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
7781         all incorrectly implemented relocations.
7782         (Target_arm::fix_exidx_coverage): Pass layout to
7783         Arm_output_section::fix_exidx_coverage.
7784         * layout.cc (Layout::section_name_mapping): Remove trailing dots
7785         from ".ARM.exidx." and ".ARM.extab.".
7786
7787 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7788
7789         * arm.cc (Target_arm::do_finalize_sections): Create attribute
7790         section if it does not already exist.
7791         * attributes.cc (Attributes_section_data::Attributes_section_data):
7792         Don't crash if size is zero.
7793
7794 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7795             Ian Lance Taylor  <iant@google.com>
7796
7797         * gold.cc (queue_middle_tasks): If no input files were opened,
7798         exit.
7799         * workqueue.h (Task_function::Task_function): Assert that there is
7800         a blocker.
7801
7802 2010-02-22  Doug Kwan  <dougkwan@google.com>
7803
7804         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
7805         * icf.cc (get_section_contents): Cast snprintf arguments to long long
7806         types to avoid warnings due to different uint64_t implementations
7807         on different hosts.
7808
7809 2010-02-21  Doug Kwan  <dougkwan@google.com>
7810
7811         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
7812         handling of the maximum backward branch offset.
7813         (Arm_relocate_functions::thumb_branch_common): Ditto.
7814         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
7815         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
7816         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
7817         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
7818         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
7819         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
7820         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
7821         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
7822         thumb_bl_out_of_range thumb_bl_out_of_range.o,
7823         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
7824         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
7825         thumb2_bl_out_of_range.o): New rules.
7826         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
7827         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
7828         thumb2_bl_out_of_range
7829         * testsuite/Makefile.in: Regenerate.
7830         * testsuite/arm_bl_in_range.s: New file.
7831         * testsuite/arm_bl_out_of_range.s: Ditto.
7832         * testsuite/arm_branch_in_range.sh: Ditto.
7833         * testsuite/arm_branch_range.t: Ditto.
7834         * testsuite/thumb2_branch_range.t: Ditto.
7835         * testsuite/thumb_bl_in_range.s: Ditto.
7836         * testsuite/thumb_bl_out_of_range.s: Ditto.
7837         * testsuite/thumb_branch_range.t: Ditto.
7838
7839 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
7840
7841         * gc.h (gc_process_relocs): Change vectors to point to the new list.
7842         Add reloc offset information.
7843         * icf.cc (get_section_contents): Change iterators to point to the new
7844         vectors. Add reloc offset information to the contents.
7845         * icf.h (Icf::Sections_reachable_info): New typedef.
7846         (Icf::Sections_reachable_list): New typedef.
7847         (Icf::Offset_info): New typedef.
7848         (Icf::Reloc_info): New struct typedef.
7849         (Icf::Reloc_info_list): New typedef.
7850         (Icf::symbol_reloc_list): Delete method.
7851         (Icf::addend_reloc_list): Delete method.
7852         (Icf::section_reloc_list): Delete method.
7853         (Icf::reloc_info_list): New method.
7854         (Icf::reloc_info_list_): New member.
7855
7856 2010-02-19  Doug Kwan  <dougkwan@google.com>
7857
7858         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
7859         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
7860         * arm.cc (Arm_relocation_functions): New forward declaration.
7861         (Target_arm::Target_arm): Initialize new data members
7862         got_mod_index_offset_ and tls_base_symbol_defined_.
7863         (Target_arm::Relocate::relocate_tls): New method.
7864         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
7865          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
7866         New methods.
7867         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
7868         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
7869         (Target_arm::got_mod_index_offset_,
7870         Target_arm::tls_base_symbol_defined_): New data members.
7871         (Target_arm::Scan::local, Target::Scan::global,
7872         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
7873         relocations.
7874
7875 2010-02-18  Doug Kwan  <dougkwan@google.com>
7876
7877         * arm.cc (Arm_relobj::find_linked_text_section): New method.
7878         (Arm_relobj::make_exidx_input_section): Pass section index of linked
7879         text section as a parameter becuase some broken tools may not set
7880         the link in section header.
7881         (Target_arm::has_got_section): New method.
7882         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
7883         without any mapping symbol as data only.  Remove warning.
7884         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
7885         link in its section header, try to discover the link by inspecting the
7886         REL31 relocation at the beginning of the section.
7887         (Target_arm::Scan::check_non_pic): Report name of offending relocation
7888         in error message.
7889         (Target_arm::Scan::global): Treat any reference to the symbol
7890         _GLOBAL_OFFSET_TABLE_ as a GOT access.
7891
7892 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
7893
7894         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
7895         (Scan::global_reloc_may_be_function_pointer): New function.
7896         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7897         (Scan::global_reloc_may_be_function_pointer): New function.
7898         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7899         (Scan::global_reloc_may_be_function_pointer): New function.
7900         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
7901         (Scan::global_reloc_may_be_function_pointer): New function.
7902         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
7903         (Scan::global_reloc_may_be_function_pointer): New function.
7904         (Scan::possible_function_pointer_reloc): New function.
7905         (Target_x86_64::can_check_for_function_pointers): New function.
7906         * gc.h (gc_process_relocs): Scan relocation types to determine if
7907         function pointers were taken for targets that support it.
7908         * icf.cc (Icf::find_identical_sections): Include functions for
7909         folding in safe ICF whose pointer is not taken.
7910         * icf.h (Secn_fptr_taken_set): New typedef.
7911         (fptr_section_id_): New member.
7912         (section_has_function_pointers): New function.
7913         (set_section_has_function_pointers): New function.
7914         (check_section_for_function_pointers): New function.
7915         * options.h: Fix comment for safe ICF option.
7916         * target.h (can_check_for_function_pointers): New function.
7917         * testsuite/Makefile.am: Add icf_safe_so_test test case.
7918         Modify icf_safe_test for X86-64.
7919         * testsuite/Makefile.in: Regenerate.
7920         * testsuite/icf_safe_so_test.cc: New file.
7921         * testsuite/icf_safe_so_test.sh: New file.
7922         * testsuite/icf_safe_test.cc (kept_func_3): New function.
7923         (main): Change to take pointer to function kept_func_3.
7924         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
7925         folding is done correctly for X86-64.
7926
7927 2010-02-12  David S. Miller  <davem@davemloft.net>
7928
7929         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
7930         is_symbolless parameter.
7931         (Output_reloc<SHT_REL>::is_symbolless): New.
7932         (Output_reloc<SHT_REL>::is_symbolless_): New.
7933         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
7934         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
7935         (Output_reloc<SHT_RELA>::is_symbolless): New.
7936         (Output_data_reloc::add_global): Handle is_symbolless.
7937         (Output_data_reloc::add_global_relative): Likewise.
7938         (Output_data_reloc::add_local): Likewise.
7939         (Output_data_reloc::add_local_relative): Likewise.
7940         (Output_data_reloc::add_symbolless_global_addend): New.
7941         (Output_data_reloc::add_symbolless_local_addend): New.
7942         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
7943         is_symbolless.
7944         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
7945         instead of ->is_relative_
7946         (Output_reloc::write): Likewise.
7947         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
7948         (Output_reloc::write_rel): Simplify.
7949
7950         * sparc.cc (Target_sparc::Scan::local): Use
7951         ->add_symbolless_local_addend as needed.
7952         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
7953         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
7954         based upon relocation offset.
7955
7956 2010-02-11  Doug Kwan  <dougkwan@google.com>
7957
7958         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
7959         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
7960         beginning of function.
7961         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
7962         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
7963         parameter is_32bit in calls to should_apply_static_reloc.
7964         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
7965         (check_DATA): Add arm_abs_global.stdout.
7966         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
7967         arm_abs_global.stdout): New rules.
7968         (MOSTLLYCLEANFILES): Add arm_abs_global
7969         * Makefile.in: Regenerate.
7970         * testsuite/arm_abs_global.s: New file.
7971         * testsuite/arm_abs_global.sh: Ditto.
7972         * testsuite/arm_abs_lib.s: Ditto.
7973
7974 2010-02-11  Ian Lance Taylor  <iant@google.com>
7975
7976         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
7977         Read_relocs task.
7978         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
7979         Allocate_commons_task first.
7980         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
7981         task, rather than symtab_lock_.
7982         (Gc_process_relocs::~Gc_process_relocs): New function.
7983         (Gc_process_relocs::is_runnable): Check this_blocker_.
7984         (Gc_process_relocs::locks): Use next_blocker_ rather than
7985         blocker_.
7986         (Scan_relocs::~Scan_relocs): New function.
7987         (Scan_relocs::is_runnable): Check this_blocker_ rather than
7988         symtab_lock_.
7989         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
7990         next_blocker_.
7991         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
7992         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
7993         constructor accordingly.
7994         (class Gc_process_relocs): Likewise.
7995         (class Scan_relocs): Likewise.
7996         * common.h (class Allocate_commons_task): Remove symtab_lock_
7997         field, and corresponding constructor parameter.
7998         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
7999         symtab_lock_.
8000         (Allocate_commons_task::locks): Likewise.
8001
8002 2010-02-11  Ian Lance Taylor  <iant@google.com>
8003
8004         * gold-threads.h (class Once): Define.
8005         (class Initialize_lock): Rewrite as child of Once.
8006         * gold-threads.cc (class Once_initialize): Define.
8007         (once_pointer_control): New static variable.
8008         (once_pointer, once_arg): New static variables.
8009         (c_run_once): New static function.
8010         (Once::Once, Once::run_once, Once::internal_run): New functions.
8011         (class Initialize_lock_once): Remove.
8012         (initialize_lock_control): Remove.
8013         (initialize_lock_pointer): Remove.
8014         (initialize_lock_once): Remove.
8015         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
8016         (Initialize_lock::initialize): Rewrite.
8017         (Initialize_lock::do_run_once): New function.
8018         * archive.cc (Archive::interpret_header): Only clear name if it is
8019         not already empty.
8020         * fileread.cc: Include "gold-threads.h"
8021         (file_counts_lock): New static variable.
8022         (file_counts_initialize_lock): Likewise.
8023         (File_read::release): Only increment counts when using --stats.
8024         Use a lock around the increment.
8025         * parameters.cc (class Set_parameters_target_once): Define.
8026         (set_parameters_target_once): New static variable.
8027         (Parameters::Parameters): Move here from parameters.h.
8028         (Parameters::set_target): Rewrite.
8029         (Parameters::set_target_once): New function.
8030         (Parameters::clear_target): Move here and rewrite.
8031         * parameters.h (class Parameters): Update declarations.  Add
8032         set_parameters_target_once_ field.
8033         (Parameters::Parameters): Move to parameters.cc.
8034         (Parameters::clear_target): Likewise.
8035         * readsyms.cc (Read_symbols::do_group): Create a Start_group
8036         task.
8037         (Start_group::~Start_group): New function.
8038         (Start_group::is_runnable): New function.
8039         (Start_group::locks, Start_group::run): New functions.
8040         (Finish_group::run): Change saw_undefined to size_t.
8041         * readsyms.h (class Start_group): Define.
8042         (class Finish_group): Change saw_undefined_ field to size_t.
8043         (Finish_group::Finish_group): Remove saw_undefined and
8044         this_blocker parameters.  Change all callers.
8045         (Finish_group::set_saw_undefined): New function.
8046         (Finish_group::set_blocker): New function.
8047         * symtab.h (class Symbol_table): Change saw_undefined to return
8048         size_t.  Change saw_undefined_ field to size_t.
8049         * target-select.cc (Set_target_once::do_run_once): New function.
8050         (Target_selector::Target_selector): Initialize set_target_once_
8051         field.  Don't initialize lock_ and initialize_lock_ fields.
8052         (Target_selector::instantiate_target): Rewrite.
8053         (Target_selector::set_target): New function.
8054         * target-select.h (class Set_target_once): Define.
8055         (class Target_selector): Update declarations.  Make
8056         Set_target_once a friend.  Remove lock_ and initialize_lock_
8057         fields.  Add set_target_once_ field.
8058
8059 2010-02-10  Ian Lance Taylor  <iant@google.com>
8060
8061         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
8062         queueing any tasks.
8063         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
8064         (queue_middle_tasks): Add all blockers before queueing any tasks.
8065         (queue_final_tasks): Likewise.
8066         * token.h (Task_token::add_blockers): New function.
8067         * object.h (Input_objects::number_of_relobjs): New function.
8068
8069 2010-02-10  Ian Lance Taylor  <iant@google.com>
8070
8071         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
8072         shared, not if not position independent.
8073         * x86_64.cc (Relocate::relocate_tls): Likewise.
8074         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
8075         (tls_pie_pic_test): New target.
8076         * testsuite/Makefile.in: Rebuild.
8077
8078         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
8079         (tls_test_main_pie.o, tls_test_pie.o): New targets.
8080         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
8081         * testsuite/Makefile.in: Rebuild.
8082
8083 2010-02-09  David S. Miller  <davem@davemloft.net>
8084
8085         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
8086         R_SPARC_RELATIVE using ->add_local_relative().
8087         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
8088
8089         * output.h (Output_data_dynamic::add_section_size): New method
8090         that takes two Output_data objects.
8091         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
8092         entry param.  Handle it in initializers.
8093         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
8094         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
8095         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
8096         arg.
8097         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
8098         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
8099         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
8100         for dynrel_includes_plt.
8101         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8102         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8103         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
8104         before .rela.plt
8105         (Target_sparc::do_finalize_sections): Update to pass true for
8106         dynrel_includes_plt.
8107         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
8108         output before .rela.plt
8109         (Target_powerpc::do_finalize_sections): Update to pass true for
8110         dynrel_includes_plt when 32-bit.
8111
8112 2010-02-08  Doug Kwan  <dougkwan@google.com>
8113
8114         * arm.cc (Arm_relobj::simple_input_section_output_address): New
8115         method.
8116         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
8117         Arm_relobj::scan_section_for_cortex_a8_stubs,
8118         Arm_relobj::do_relocation_section): Instead of calling
8119         Output_section::output_address, use faster
8120         Arm_relobj::simple_input_section_output_address.
8121
8122 2010-02-08  David S. Miller  <davem@davemloft.net>
8123
8124         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
8125         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
8126         relocation helper function.
8127
8128         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
8129         just like R_SPARC_GOT{10,13,22}.
8130         (Target_sparc::Scan::local): Likewise.
8131         (Target_sparc::Relocate:relocate): Likewise.
8132
8133 2010-02-06  Ian Lance Taylor  <iant@google.com>
8134
8135         * configure.ac: Rewrite targetobjs duplicate removal code to use
8136         only shell constructs.
8137         * configure: Rebuild.
8138
8139 2010-02-05  Doug Kwan  <dougkwan@google.com>
8140
8141         PR 11247
8142         * arm.cc (Arm_relobj::section_is_scannable): New method.
8143         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
8144         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
8145
8146 2010-02-04  Doug Kwan  <dougkwan@google.com>
8147
8148         PR 11247
8149         * arm-reloc-property.cc (cstdio): Include.
8150         * configure.ac (targetobjs): Remove duplicates.
8151         * configure: Regenerate.
8152         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
8153         big and little endian version for a given address size.
8154
8155 2010-02-03  Doug Kwan  <dougkwan@google.com>
8156
8157         * arm-reloc-property.cc
8158         (Arm_reloc_property_table::reloc_name_in_error_message): New method
8159         definition.
8160         * arm-reloc-property.h
8161         (Arm_reloc_property_table::get_implemented_static_reloc_property):
8162         New method definition.
8163         (Arm_reloc_property_table::reloc_name_in_error_message): New method
8164         declaration.
8165         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
8166         overflow to N.
8167         (GOT_PREL): Change implemented to Y.
8168         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
8169         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
8170         (Arm_relocate_functions::movw_abs_nc): Remove method.
8171         (Arm_relocate_functions::movt_abs): Ditto.
8172         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
8173         (Arm_relocate_functions::thm_movt_abs): Ditto.
8174         (Arm_relocate_functions::movw_rel_nc): Ditto.
8175         (Arm_relocate_functions::movw_rel): Ditto.
8176         (Arm_relocate_functions::movt_rel): Ditto.
8177         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
8178         (Arm_relocate_functions:thm_movw_rel): Ditto.
8179         (Arm_relocate_functions:thm_movt_rel): Ditto.
8180         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
8181         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
8182         New method definitions.
8183         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
8184         (Arm_relocation_functions::arm_grp_ldr): Ditto.
8185         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
8186         (Arm_relocation_functions::arm_grp_ldc): Ditto.
8187         (Target_arm::Relocate::relocate): Check for non-static or
8188         unimplemented relocation code and exit early.  Change calls to
8189         Target_arm::reloc_uses_thumb_bit and
8190         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
8191         instead.  Refactor code to handle similar relocations to increase
8192         code sharing.  Remove check for unsupported relocation code in switch
8193         statement.
8194         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
8195         relocation property table to find out size.  Change error message to
8196         print out the name of a relocation code instead of the numeric value.
8197         (Target_arm::scan_reloc_for_stub): Use relocation property table
8198         instead of calling Target_arm::reloc_uses_thumb_bit().
8199
8200 2010-02-02  Doug Kwan  <dougkwan@google.com>
8201
8202         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
8203         types of relaxed input section.
8204
8205 2010-02-02  Doug Kwan  <dougkwan@google.com>
8206
8207         * Makefile.am (HFILES): Add arm-reloc-property.h.
8208         (DEFFILES): New.
8209         (TARGETSOURCES): Add arm-reloc-property.cc
8210         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
8211         (libgold_a_SOURCES): $(DEFFILES)
8212         * Makefile.in: Regenerate.
8213         * arm-reloc-property.cc: New file.
8214         * arm-reloc-property.h: New file.
8215         * arm-reloc.def: New file.
8216         * arm.cc: Update comments.
8217         (arm-reloc-property.h): New included header.
8218         (arm_reloc_property_table): New global variable.
8219         (Target_arm::do_select_as_default_target): New method definition.
8220         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
8221         arm-reloc-property to targ_extra_obj.
8222         * parameters.cc (set_parameters_target): Call
8223         Target::select_as_default_target().
8224         * target.h (Target::select_as_default_target): New method definition.
8225         (Target::do_select_as_default_target): Same.
8226
8227 2010-02-01  Doug Kwan  <dougkwan@google.com>
8228
8229         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
8230         first_output_text_section_.
8231         (Arm_exidx_fixup::first_output_text_section): New method definition.
8232         (Arm_exidx_fixup::first_output_text_section_): New data member.
8233         (Arm_exidx_fixup::process_exidx_section): Record the first text
8234         output section seen.
8235         (Arm_output_section::fix_exidx_coverage): Set correct linked section
8236         and entsize in output section header.
8237
8238 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8239
8240         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
8241         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
8242         (Arm_relocate_functions::thm_alu11): New Method.
8243         (Arm_relocate_functions::thm_pc8): New Method.
8244         (Arm_relocate_functions::thm_pc12): New Method.
8245         (Target_arm::Scan::local): Handle the relocations.
8246         (Target_arm::Scan::global): Likewise.
8247         (Target_arm::Relocate::relocate): Likewise.
8248         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8249
8250 2010-01-29  Doug Kwan  <dougkwan@google.com>
8251
8252         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
8253         of relocation types as ld.
8254
8255 2010-01-29  Doug Kwan  <dougkwan@google.com>
8256
8257         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
8258         to public.
8259         (Arm_relocate_functions::thumb_branch_common): Ditto.
8260         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
8261         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
8262         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
8263         Arm_relocate_functions::jump24): Remove.
8264         (Target_arm::Relocate::relocate): Adjust code to call
8265         Arm_relocation_functions::arm_branch_common and
8266         Arm_relocation_functions::thumb_branch_common instead of their removed
8267         wrappers.  Merge switch-cases together to reduce source code size.
8268
8269 2010-01-29  Doug Kwan  <dougkwan@google.com>
8270
8271         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
8272         output_local_symbol_count_needs_update_.
8273         (Arm_relobj::output_local_symbol_count_needs_update,
8274          Arm_relobj::set_output_local_symbol_count_needs_update,
8275          Arm_relobj::update_output_local_symbol_count): New methods.
8276         (Arm_relobj::output_local_symbol_count_needs_update_): New data
8277         member.
8278         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
8279         of pointed function as in a R_ARM_PREL31 relocation.
8280         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
8281         for output local symbol count updating.
8282         (Target_arm::do_relax): Update output local symbol counts in objects
8283         if necessary.
8284         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
8285
8286 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8287
8288         * arm.cc: Added support for the ARM relocations:
8289         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
8290         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
8291         (Arm_relocate_functions::movw_rel_nc): Renamed (was
8292         movw_prel_nc).
8293         (Arm_relocate_functions::movw_rel): New method.
8294         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
8295         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
8296         thm_movw_prel_nc).
8297         (Arm_relocate_functions::thm_movw_rel): New method.
8298         (Arm_relocate_functions::thm_movt_rel): Renamed (was
8299         thm_movt_prel).
8300         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
8301         relocations.
8302         (Target_arm::Scan::global): Likewise.
8303         (Target_arm::Relocate::relocate): Likewise.
8304         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8305         Likewise.
8306
8307 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8308
8309         * arm.cc: Added support for ARM group relocations.
8310         (Target_arm::reloc_needs_sym_origin): New method.
8311         (Arm_relocate_functions::calc_grp_kn): New method.
8312         (Arm_relocate_functions::calc_grp_residual): New method.
8313         (Arm_relocate_functions::calc_grp_gn): New method.
8314         (Arm_relocate_functions::arm_grp_alu): New Method.
8315         (Arm_relocate_functions::arm_grp_ldr): New Method.
8316         (Arm_relocate_functions::arm_grp_ldrs): New Method.
8317         (Arm_relocate_functions::arm_grp_ldc): New Method.
8318         (Target_arm::Scan::local): Handle the ARM group relocations.
8319         (Target_arm::Scan::global): Likewise.
8320         (Target_arm::Relocate::relocate): Likewise.
8321         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8322         Likewise.
8323
8324 2010-01-26  Doug Kwan  <dougkwan@google.com>
8325
8326         * arm.cc (set): Include.
8327         (class Arm_exidx_fixup): Change type of last_input_section_ to const
8328         pointer type.
8329         (Arm_output_section::Text_section_list): New type.
8330         (Arm_output_section::append_text_sections_to_list): New method.
8331         (Arm_output_section::fix_exidx_coverage): Ditto.
8332         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
8333         (Arm_relobj::convert_input_section_to_relaxed_section): Use
8334         Relobj::set_section_offset() instead of
8335         Sized_relobj::invalidate_section_offset().
8336         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
8337         parameter for section headers. Ignore relocation sections for
8338         unallocated sections and EXIDX sections.
8339         (Target_arm::fix_exidx_coverage): New method.
8340         (Target_arm::output_section_address_less_than): New type.
8341         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
8342         linked text section instead of the EXIDX section.
8343         (Arm_output_section::create_stub_group): Add an assertion to check
8344         that this is not an EXIDX output section.
8345         (Arm_output_section::append_text_sections_to_list): New method.
8346         (Arm_output_section::fix_exidx_coverage): Ditto.
8347         (Arm_relobj::scan_sections_for_stubs): Adjust call to
8348         Arm_relobj::section_needs_reloc_stub_scanning.
8349         (Target_arm::do_relax): Fix EXIDX output section coverage in the
8350         first pass.
8351         (Target_arm::fix_exidx_coverage): New method.
8352         * object.h (Relobj::set_output_section): New method.
8353         (Sized_relobj::invalidate_section_offset): Remove method.
8354         (Sized_relobj::do_invalidate_section_offset): Remove method.
8355         (Sized_relobj::do_set_section_offset): Handle offset value -1.
8356
8357 2010-01-25  Doug Kwan  <dougkwan@google.com>
8358
8359         * arm.cc (Arm_exidx_merged_section::do_output_offset):
8360         Fix warning due to signed and unsigned comparison on a 32-bit host.
8361
8362 2010-01-22  Doug Kwan  <dougkwan@google.com>
8363
8364         * arm.cc (Target_arm::do_relax): Record an output section for section
8365         offset adjustment it contains any stub table that has changed.
8366         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
8367         offsets in an output section if necessary.
8368         * output.cc (Output_section::Output_section): Initialize
8369         section_offsets_need_adjustments_.
8370         (Output_section::add_input_section_for_script): Renamed to
8371         Output_section::add_simple_input_section.
8372         (Output_section::save_states): Add a comment.
8373         (Output_section::discard_states): New method defintion.
8374         (Output_section::adjust_section_offsets): Same.
8375         * output.h (Output_section::add_input_section_for_script): Renamed to
8376         Output_section::add_simple_input_section.
8377         (Output_section::discard_states): New method declaration.
8378         (Output_section::adjust_section_offsets): Same.
8379         (Output_section::section_offsets_need_adjustment,
8380         Output_section::set_section_offsets_need_adjustment): New method
8381         definitions.
8382         (Output_section::section_offsets_need_adjustment_): New data member.
8383         * script-sections.cc
8384         (Output_section_element_input::set_section_address): Adjust code for
8385         renaming of Output_section::add_input_section_for_script.
8386         (Orphan_output_section::set_section_address): Same.
8387
8388 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8389
8390         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
8391         Fix_v4bx enum values .
8392         * gold/options.h (General_options): New option definitions.
8393         (General_options::fix_v4bx): New method.
8394         (General_options::Fix_v4bx): New enum.
8395         * gold/options.cc (General_options::parse_fix_v4bx): New method.
8396         (General_options::parse_fix_v4bx_interworking): New method.
8397
8398 2010-01-22  Doug Kwan  <dougkwan@google.com>
8399
8400         * arm.cc (Arm_exidx_fixup): New class.
8401
8402 2010-01-21  Doug Kwan  <dougkwan@google.com>
8403
8404         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
8405         classes.
8406         (Arm_exidx_section_offset_map): New type.
8407
8408 2010-01-21  Doug Kwan  <dougkwan@google.com>
8409
8410         * arm.cc (Arm_exidx_input_section): New class.
8411         (Arm_relobj::exidx_input_section_by_link,
8412         Arm_relobj::exidx_input_section_by_shndx,
8413         Arm_relobj::make_exidx_input_section): New methods.
8414         (read_arm_attributes_section): Remove.
8415         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
8416         information about them.
8417         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
8418         to here.
8419
8420 2010-01-20  Doug Kwan  <dougkwan@google.com>
8421
8422         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
8423         Input_section_specifier to Section_id.
8424         (Target_arm::new_arm_input_section: Adjust code for change of key
8425         type.
8426         (Target_arm::find_arm_input_section): Ditto.
8427         * gc.h (object.h): Include for Section_id nand Section_id_hash.
8428         (Section_id): Remove.
8429         (Garbage_collection::Section_id_hash): Remove.
8430         * icf.h (object.h): Include for Section_id nand Section_id_hash.
8431         (Section_id): Remove.
8432         (Icf::Section_id_hash): Remove.
8433         * object.h (Section_id, Const_section_id, Section_id_hash,
8434         Const_section_id_hash): New type definitions.
8435         * output.cc (Output_section::add_relaxed_input_section): Change to
8436         use Const_section_id instead of Input_section_specifier as key type.
8437         (Output_section::add_merge_input_section): Ditto.
8438         (Output_section::build_relaxation_map): Change to use Section_id
8439         instead of Input_section_specifier as key type.
8440         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8441         Ditto.
8442         (Output_section::convert_input_sections_to_relaxed_sections): Change
8443         to use Const_section_id instead of Input_section_specifier as key type.
8444         (Output_section::find_merge_section): Ditto.
8445         (Output_section::find_relaxed_input_section): Ditto.
8446         * output.h (Input_section_specifier): Remove class.
8447         (Output_section::Output_section_data_by_input_section_map): Change
8448         key type to Const_section_id.
8449         (Output_section::Output_relaxed_input_section_by_input_section_map):
8450         Ditto.
8451         (Output_section::Relaxation_map): Change key type to Section_id.
8452
8453 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8454
8455         * gold/arm.cc: Added support for R_ARM_V4BX relocation
8456         (class Arm_v4bx_stub): New class.
8457         (DEF_STUBS): Updated definition to support v4_veneer_bx.
8458         (Stub_factory::make_arm_v4bx_stub): New method.
8459         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
8460         (Stub_table::empty): Handle v4bx stubs.
8461         (Stub_table::add_arm_v4bx_stub): New method.
8462         (Stub_table::find_arm_v4bx_stub): New method.
8463         (Arm_relocate_functions::v4bx): New method.
8464         (Target_arm::fix_v4bx): New method.
8465         (Target_arm::Target_arm): Handle R_ARM_V4BX.
8466         (Stub_table::relocate_stubs): Likewise.
8467         (Stub_table::do_write): Likewise.
8468         (Stub_table::update_data_size_and_addralign): Likewise.
8469         (Stub_table::finalize_stubs):  Likewise.
8470         (Target_arm::Scan::local): Likewise.
8471         (Target_arm::Scan::global): Likewise.
8472         (Target_arm::do_finalize_sections): Likewise.
8473         (Target_arm::Relocate::relocate): Likewise.
8474         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8475         Likewise.
8476         (Target_arm::scan_reloc_for_stub): Likewise.
8477         (Target_arm::scan_reloc_section_for_stubs): Likewise.
8478
8479 2010-01-19  Ian Lance Taylor  <iant@google.com>
8480
8481         * output.cc (Output_section_headers::do_sized_write): Write large
8482         segment count to sh_info field.
8483         (Output_file_header::do_sized_write): For large segment count,
8484         write PN_XNUM to e_phnum field.
8485
8486 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8487
8488         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
8489         (Arm_relocate_functions::thm_jump8): New function.
8490         (Arm_relocate_functions::thm_jump11): New function.
8491         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
8492         R_ARM_THM_JUMP11.
8493         (Target_arm::Scan::global): Likewise.
8494         (Target_arm::Relocate::relocate): Likewise.
8495         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8496         Likewise.
8497
8498 2010-01-14  Doug Kwan  <dougkwan@google.com>
8499
8500         * arm.cc (map, utility): Include headers.
8501         (Target_arm::apply_cortex_a8_workaround): New method.
8502         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
8503         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
8504         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
8505         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
8506         the --[no-]fix-cortex-a8 command line options.
8507         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
8508         (Target_arm::relocate_stub): Use addend in instruction template.
8509         * options.h (DEFINE_bool): Set the user-set flag.
8510         (General_options): Add --[no-]-fix-cortex options.
8511         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
8512         : Update fast look-up map after conversion.
8513
8514 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
8515
8516         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
8517         in the first pass of do_layout.
8518
8519 2010-01-13  Doug Kwan  <dougkwan@google.com>
8520
8521         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
8522         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
8523         apparent compiler problem of not folding static constant integral
8524         data members of elfcpp::Elf_sizes<32>.
8525
8526 2010-01-13  Doug Kwan  <dougkwan@google.com>
8527
8528         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
8529         Arm_relobj::section_needs_cortex_a8_stub_scanning,
8530         Arm_relobj::scan_section_for_cortex_a8_erratum,
8531         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
8532         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
8533         sections to scan for relocation stubs into a new method
8534         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
8535         relocation and Cortex-A8 stub scanning.
8536         (Target_arm::do_relax): Force stubs to be after stubbed sections
8537         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
8538         the beginning of a new relaxation pass.  Update a comment.
8539         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
8540
8541 2010-01-12  Ian Lance Taylor  <iant@google.com>
8542
8543         * target-reloc.h (visibility_error): New inline function.
8544         (relocate_section): Call visibility_error.
8545         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
8546         (MOSTLYCLEANFILES): Likewise.
8547         (protected_4_pic.o, protected_3.err): New targets.
8548         * testsuite/protected_4.cc: New file.
8549
8550 2010-01-12  Doug Kwan  <dougkwan@google.com>
8551
8552         * arm.cc (Cortex_a8_reloc): New class.
8553         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
8554         and cortex_a8_relocs_info_.
8555         (Target_arm::fix_cortex_a8): New method definition.
8556         (Target_arm::Cortex_a8_relocs_info): New type.
8557         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
8558         New data member declarations.
8559         (Target_arm::scan_reloc_for_stub): Record information about
8560         relocations for THUMB branches that might be exempted from the
8561         Cortex-A8 workaround.
8562         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
8563         at the beginning of a relaxation pass.
8564
8565 2010-01-12  Doug Kwan  <dougkwan@google.com>
8566
8567         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
8568         (Arm_relobj::Mapping_symbol_position,
8569          Arm_reloj::Mapping_symbol_position_less,
8570          Arm_relobj::Mapping_symbols_info): New types.
8571         (Target_arm::is_mapping_symbol_name): New method definition.
8572         (Arm_relobj::do_count_local_symbols): Save information about mapping
8573         symbols.
8574
8575 2010-01-11  Doug Kwan  <dougkwan@google.com>
8576
8577         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
8578         Arm_relocate_functions::thumb32_branch_upper,
8579         Arm_relocate_functions::thumb32_branch_lower,
8580         Arm_relocate_functions::thumb32_cond_branch_offset,
8581         Arm_relocate_functions::thumb32_cond_branch_upper,
8582         Arm_relocate_functions::thumb32_cond_branch_lower,
8583         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
8584         branch offset encoding.
8585         (Arm_relocate_functions::thumb_branch_common): Use new branch
8586         offset encoding methods to avoid code duplication.
8587         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
8588         (Stub_addend_reader::operator()): Use new branch encoding method
8589         to avoid code duplication.
8590
8591 2010-01-11  Doug Kwan  <dougkwan@google.com>
8592
8593         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
8594         (Target_arm::do_finalize_sections): Define special EXIDX section
8595         symbols only if referenced.
8596         * gc.h (Garbage_collection::add_reference): New method.
8597         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
8598         code duplication.
8599
8600 2010-01-11  Ian Lance Taylor  <iant@google.com>
8601
8602         * script.cc (Version_script_info::build_expression_list_lookup):
8603         Change complaing about duplicate wildcard match from error to
8604         warning.
8605
8606         * script.cc (class Lazy_demangler): Recreate--revert part of patch
8607         of 2009-12-30.
8608         (Version_script_info::Version_script_info): Initialize globs_,
8609         default_version_, default_is_global_, and exact_.  Don't
8610         initialize globals_ or locals_.
8611         (Version_script_info::build_lookup_tables): Build local symbols
8612         first.
8613         (Version_script_info::unquote): New function.
8614         (Version_script_info::add_exact_match): New function.
8615         (Version_script_info::build_expression_list_lookup): Remove lookup
8616         parameter.  Add is_global parameter.  Change all callers.  Handle
8617         wildcard pattern specially.  Unquote pattern.  Call
8618         add_exact_match.
8619         (Version_script_info::get_name_to_match): New function.
8620         (Version_script_info::get_symbol_version): New function.
8621         (Version_script_info::get_symbol_version_helper): Remove.
8622         (Version_script_info::check_unmatched_names): Call unquote.
8623         * script.h (class Version_script_info): Change get_symbol_version
8624         to be non-inline and add is_global parameter; change all callers.
8625         Rewrite symbol_is_local.  Update declarations.  Define struct
8626         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
8627         Remove globals_ and locals_ members.  Add exact_, globs_,
8628         default_version_, is_global_.
8629         (Version_script_info::Glob): Remove pattern, add expression and
8630         is_global.  Update constructor.  Change all callers.
8631         * dynobj.cc (Versions::finalize): Mark the version symbol as the
8632         default version.
8633         (Versions::symbol_section_contents): If a symbol is undefined, or
8634         defined in a dynamic object, set the version index to
8635         VER_NDX_LOCAL.
8636         * symtab.cc (Symbol_table::add_from_relobj): Don't call
8637         symbol_is_local.
8638         (Symbol_table::add_from_pluginobj): Likewise.
8639         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
8640
8641 2010-01-11  Doug Kwan  <dougkwan@google.com>
8642
8643         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
8644         (incremental_dump_LDADD): Add linking option for libintl.
8645         * Makefile.in: Regenerate.
8646
8647 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
8648
8649         PR gold/11144
8650         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
8651         instead of -Ds.
8652         * testsuite/Makefile.in: Regenerated.
8653
8654 2010-01-10  Doug Kwan  <dougkwan@google.com>
8655
8656         * options.h (DEFINE_var): Use parentheses around argument varname__
8657         in macro body to avoid any unintended subsequent substitutions.
8658
8659 2010-01-10  Ian Lance Taylor  <iant@google.com>
8660
8661         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
8662         candidates before doing symbol resolution.
8663
8664         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
8665         ODR candidates if only one is weak.
8666
8667 2010-01-08  Ian Lance Taylor  <iant@google.com>
8668
8669         * script.cc (Version_script_info::build_expression_list_lookup):
8670         Don't warn about ambiguous version, just record the ambiguity.
8671         (Version_script_info::get_symbol_version_helper): Give error if
8672         version is ambiguous.
8673
8674 2010-01-08  Doug Kwan  <dougkwan@google.com>
8675
8676         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
8677         prev_data_size_ and prev_addralign_.  Remove initializer for
8678         deleted data member has_been_changed_.
8679         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
8680         to determine if the table is empty.
8681         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
8682         Remove.
8683         (Stub_table::add_reloc_stub): Define method in class definition
8684         instead of just declaring it there.
8685         (Stub_table::add_cortex_a8_stub): New method definition.
8686         (Stub_table::update_data_size_and_addralign): Ditto.
8687         (Stub_table::finalize_stubs): Ditto.
8688         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
8689         (Stub_table::do_addralign_): Return address alignment in the
8690         (Stub_table::do_reset_address_and_file_offset): Define method in
8691         class definition instead of declaring it there.  Set current data
8692         size to be the data size of the previous pass.
8693         (Stub_table::set_final_data_size): Use current data size as the
8694         final data size.
8695         (Stub_table::relocate_stub): Change parameter type of stub from
8696         Reloc_stub pointer to Stub pointer.
8697         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
8698         (Stub_table::Cortex_a8_stub_list): New typedef.
8699         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
8700          Stub_table::prev_addralign_): New data member.
8701         (Arm_relobj::Arm_relobj): Initialize data member
8702         section_has_cortex_a8_workaround_.
8703         (Arm_relobj::section_has_cortex_a8_workaround,
8704          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
8705          definitions.
8706         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
8707         declarations.
8708         (Target_arm::relocate_stub): Change parameter type of stub from
8709         Reloc_stub pointer to Stub pointer.
8710         (Insn_template::size, Insn_template::alignment): Handle
8711         THUMB16_SPECIAL_TYPE.
8712         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
8713          Stub_table::update_data_size_and_addralign,
8714          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
8715         definitions.
8716         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
8717         (Stub_table::do_write): Ditto.
8718         (Target_arm::do_relax): Adjust code for changes in Stub_table.
8719
8720 2010-01-08  Ian Lance Taylor  <iant@google.com>
8721
8722         PR 11108
8723         * symtab.h (class Symbol): Remove fields is_target_special_ and
8724         has_plt_offset_.  Add field is_defined_in_discarded_section_.
8725         (Symbol::is_defined_in_discarded_section): New function.
8726         (Symbol::set_is_defined_in_discarded_section): New function.
8727         (Symbol::has_plt_offset): Rewrite.
8728         (Symbol::set_plt_offset): Verify that new offset is not -1U.
8729         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
8730         Don't initialize is_target_special_ or has_plt_offset_.
8731         Initialize is_defined_in_discarded_section_.
8732         (Symbol_table::add_from_relobj): If appropriate, set
8733         is_defined_in_discarded_section.
8734         * resolve.cc (Symbol::override_base_with_special): Don't test
8735         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
8736         * target-reloc.h (relocate_section): Do special handling for
8737         symbols defined in discarded sections for global symbols as well
8738         as local symbols.
8739
8740 2010-01-08  Ian Lance Taylor  <iant@google.com>
8741
8742         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
8743         the SHT_SYMTAB case.
8744
8745 2010-01-08  Ian Lance Taylor  <iant@google.com>
8746
8747         * object.cc (Sized_relobj::do_layout): Don't get confused if
8748         layout_eh_frame returns NULL.
8749
8750 2010-01-08  Ian Lance Taylor  <iant@google.com>
8751
8752         PR 11084
8753         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
8754         dynamic symbol table, use the normal symbol table.
8755         (Sized_dynobj::do_read_symbols): Remove assertion about type of
8756         symbol table.
8757
8758 2010-01-08  Ian Lance Taylor  <iant@google.com>
8759
8760         PR 11072
8761         * layout.cc (Layout::include_section): Remove .gnu_debuglink
8762         sections.
8763
8764 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
8765
8766         * version.cc (print_version): Change to "Copyright 2010".
8767
8768 2010-01-08  Ian Lance Taylor  <iant@google.com>
8769
8770         PR 10287
8771         PR 11063
8772         * i386.cc (class Target_i386): Change return type of plt_section
8773         to be non-const.
8774         (class Output_data_plt_i386): Add tls_desc_rel_ field.
8775         (Output_data_plt_i386::Output_data_plt_i386): Initialize
8776         tls_desc_rel_ field.
8777         (Output_data_plt_i386::rel_tls_desc): New function.
8778         (Target_i386::rel_tls_desc_section): New function.
8779         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
8780         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
8781         R_386_TLS_DESC reloc in rel_tls_desc_section.
8782         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
8783         Define struct Tlsdesc_info.
8784         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
8785         (Target_x86_64::do_reloc_symbol_index): New function.
8786         (Target_x86_64::add_tlsdesc_info): New function.
8787         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
8788         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
8789         tlsdesc_rel_ field.
8790         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
8791         all callers.
8792         (Output_data_plt_x86_64::rela_tlsdesc): New function.
8793         (Target_x86_64::rela_tlsdesc_section): New function.
8794         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
8795         handling.
8796         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
8797         (Target_x86_64::do_reloc_addend): New function.
8798         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
8799         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
8800         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
8801         (Output_reloc::type): New function.
8802         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
8803         (Output_reloc::is_target_specific): New function.
8804         (Output_reloc::target_arg): New function.
8805         (class Output_reloc) [SHT_RELA]: Add four new constructors for
8806         absolute relocs and target specific relocs.
8807         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
8808         add_target_specific.
8809         (class Output_data_reloc) [SHT_RELA]: Likewise.
8810         * output.cc (Output_reloc::Output_reloc): Add four new versions
8811         for absolute relocs and target specific relocs.
8812         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
8813         (Output_reloc::get_symbol_index): Likewise.
8814         (Output_reloc::local_section_offset): Check that local_sym_index_
8815         is not TARGET_CODE or 0.
8816         (Output_reloc::symbol_value): Likewise.
8817         (Output_reloc::write) [SHT_RELA]: Call target for target specific
8818         reloc.
8819         * target.h (class Target): Add reloc_symbol_index and reloc_addend
8820         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
8821         functions.
8822         * layout.cc (add_target_dynamic_tags): Use output section for
8823         DT_PLTRELSZ and DT_JMPREL.
8824
8825 2010-01-07  Ian Lance Taylor  <iant@google.com>
8826
8827         PR 11061
8828         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
8829         function.
8830         (class Output_data_reloc_generic): Define.
8831         (class Output_data_reloc_base): Change base class to
8832         Output_data_reloc_generic.  Change add() method to call
8833         bump_relative_reloc_count for a relative reloc.  Remove
8834         sort_relocs_ field.
8835         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
8836         to sort_relocs().
8837         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
8838         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
8839         appropriate.
8840         * layout.h (class Layout): Update declaration.
8841
8842 2010-01-07  Ian Lance Taylor  <iant@google.com>
8843
8844         * output.h (class Output_data): Add const version of
8845         output_section and do_output_section.
8846         (class Output_section_data): Add const version of
8847         do_output_section.
8848         (class Output_section): Likewise.
8849         * layout.cc (Layout::add_target_dynamic_tags): New function.
8850         * layout.h (class Layout): Update declarations.
8851         * arm.cc (Target_arm::do_finalize_sections): Use
8852         add_target_dynamic_tags.
8853         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8854         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8855         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8856         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8857
8858 2010-01-07  Ian Lance Taylor  <iant@google.com>
8859
8860         PR 11042
8861         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
8862         object as needed.
8863
8864 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
8865             Ian Lance Taylor  <iant@google.com>
8866
8867         PR 11019
8868         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
8869         Xindex::read_symtab_xindex.
8870
8871 2010-01-07  Doug Kwan  <dougkwan@google.com>
8872
8873         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
8874         (Insn_template::thumb16_bcond_insn): New method declaration.
8875         (Insn_template): Fix spelling.
8876         (Stub::thumb16_special): New method declaration.
8877         (Stub::do_write): Define virtual method which was previously pure
8878         virtual.
8879         (Stub::do_thumb16_special): New method declaration.
8880         (Stub::do_fixed_endian_write): New template member.
8881         (Reloc_stub::do_write): Remove.
8882         (Reloc_stub::do_fixed_endian_write): Remove.
8883         (Cortex_a8_stub): New class definition.
8884         (Stub_factory::make_cortex_a8_stub): New method definition.
8885         (Stub_factory::Stub_factory): Add missing static storage class
8886         qualifier for elf32_arm_stub_a8_veneer_blx.
8887
8888 2010-01-07  Ian Lance Taylor  <iant@google.com>
8889
8890         PR 10980
8891         * options.h (class General_options): Add --warn-unresolved-symbols
8892         and --error-unresolved-symbols.
8893         * errors.cc (Errors::undefined_symbol): Implement
8894         --warn-unresolved-symbols.
8895
8896         * options.h (class General_options): Add -z text and -z textoff.
8897         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
8898
8899 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
8900
8901         * gc.h (Garbage_collection::Cident_section_map): New typedef.
8902         (Garbage_collection::cident_sections): New function.
8903         (Garbage_collection::add_cident_section): New function.
8904         (Garbage_collection::cident_sections_): New member.
8905         (gc_process_relocs): Add references to sections whose names are C
8906         identifiers.
8907         * gold.h (cident_section_start_prefix): New constant.
8908         (cident_section_stop_prefix): New constant.
8909         (is_cident): New function.
8910         * layout.cc (Layout::define_section_symbols): Replace string constants
8911         with the newly defined constants.
8912         * object.cc (Sized_relobj::do_layout): Track sections whose names are
8913         C identifiers.
8914         * testsuite/Makefile.am: Add gc_orphan_section_test.
8915         * testsuite/Makefile.in: Regenerate.
8916         * testsuite/gc_orphan_section_test.cc: New file.
8917         * testsuite/gc_orphan_section_test.sh: New file.
8918
8919 2010-01-06  Ian Lance Taylor  <iant@google.com>
8920
8921         PR 10980
8922         * options.h (class General_options): Add --warn-shared-textrel.
8923         * layout.cc (Layout::finish_dynamic_section): Implement
8924         --warn-shared-textrel.
8925
8926         PR 10980
8927         * options.h (class General_options): Add --warn-multiple-gp.
8928
8929 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8930
8931         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
8932         $(THREADSLIB) and $(LIBDL).
8933         * Makefile.in: Rebuild.
8934
8935 2010-01-06  Ian Lance Taylor  <iant@google.com>
8936
8937         PR 10980
8938         * options.cc (General_options::parse_section_start): New function.
8939         (General_options::section_start): New function.
8940         (General_options::General_options): Initialize all members.
8941         * options.h: Include <map>
8942         (class General_options): Add --section-start.  Add section_starts_
8943         member.
8944         * layout.cc (Layout::attach_allocated_section_to_segment): If
8945         --section-start was used, set the address of the segment.  Remove
8946         local sort_sections.
8947         (Layout::relaxation_loop_body): If the address of the load segment
8948         has been set by --section-start, don't use it.
8949         * output.h (Output_segment::update_flags_for_output_section): New
8950         function.
8951         * output.cc (Output_segment::add_output_section): Call
8952         update_flags_for_output_section.
8953
8954 2010-01-05  Ian Lance Taylor  <iant@google.com>
8955
8956         PR 10980
8957         * options.h (class General_options): Add --undefined-version.
8958         * script.cc (struct Version_expression): Add was_matched_by_symbol
8959         field.
8960         (Version_script_info::matched_symbol): New function.
8961         (Version_script_info::get_symbol_version_helper): Call
8962         matched_symbol.
8963         (Version_script_info::check_unmatched_names): New function.
8964         * script.h (class Version_script_info): Update declarations.
8965         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
8966
8967         * options.h (class General_options): Use DEFINE_bool_alias for
8968         allow_multiple_definition.
8969         * resolve.cc (Symbol_table::should_override): Don't test
8970         allow_multiple_definition.
8971
8972         PR 10980
8973         * options.h (class General_options): Add --cref.
8974         * main.cc (main): Print cref table if --cref.  Don't close mapfile
8975         until after printing cref table.
8976         * cref.cc: Include "symtab.h".
8977         (class Cref_inputs): Define Cref_table_compare and Cref_table.
8978         (Cref_table_compare::operator()): New function.
8979         (Cref_inputs::gather_cref): New function.
8980         (filecol): New static const.
8981         (Cref_inputs::print_cref): New function.
8982         (Cref::print_cref): New function.
8983         * cref.h: Include <cstdio>.
8984         (class Cref): Update declarations.
8985         * mapfile.h (Mapfile::file): New function.
8986         * object.h (class Object): Define Symbols.  Declare virtual
8987         do_get_global_symbols.
8988         (Object::get_global_symbols): New function.
8989         * object.cc (Input_objects::add_object): Pass object to cref_ if
8990         --cref.
8991         (Input_objects::archive_start): Likewise.
8992         (Input_objects::archive_stop): Likewise.
8993         (Input_objects::print_cref): New function.
8994         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
8995         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
8996         --cref.
8997         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
8998         function.
8999         * plugin.h (class Sized_pluginobj): Update declarations.
9000
9001 2010-01-05  Ian Lance Taylor  <iant@google.com>
9002
9003         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
9004         to is_default_version.  Rename insdef to insdefault.
9005         (Symbol_table::add_from_relobj): Rename def to is_default_version
9006         and local to is_forced_local.
9007         (Symbol_table::add_from_pluginobj): Likewise.
9008         (Symbol_table::add_from_dynobj): Likewise.
9009         (Symbol_table::define_special_symbol): Rename insdef to
9010         insdefault.
9011
9012 2010-01-04  Ian Lance Taylor  <iant@google.com>
9013
9014         PR 10980
9015         * options.h (class General_options): Add
9016         --allow-multiple-definition and -z muldefs.
9017         * resolve.cc (Symbol_table::should_override): Don't warn about a
9018         multiple symbol definition if --allow-multiple-definition or -z
9019         muldefs.
9020
9021         PR 10980
9022         * options.h (class General_options): Add --add-needed and
9023         --copy-dt-needed-entries.  Tweak --as-needed help entry.
9024         * object.cc (Input_objects::check_dynamic_dependencies): Give an
9025         error if --copy-dt-needed-entries aka --add-needed is used and
9026         would cause a change in behaviour.
9027
9028         PR 10980
9029         * options.h (class General_options): Add -G as a short version of
9030         --shared.  Add no-op options -assert, -g, and -i.
9031
9032 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
9033
9034         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
9035         check for .text or .gnu.linkonce.t sections.
9036         * icf.cc (Icf::find_identical_sections): Ditto.
9037         Change the detection for mangled function name within the section
9038         name.
9039         * icf.h (is_section_foldable_candidate): New function.
9040
9041 2009-12-30  Ian Lance Taylor  <iant@google.com>
9042
9043         PR 10980
9044         * options.h (class General_options): Permit two dashes with
9045         --retain-symbols-file.
9046
9047 2009-12-30  Ian Lance Taylor  <iant@google.com>
9048
9049         PR 10979
9050         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
9051         don't put the file header and segment headers in the text
9052         segment.
9053
9054         PR 10979
9055         * common.cc (Sort_commons::operator()): Stabilize sort when both
9056         entries are NULL.
9057         (Symbol_table::do_allocate_commons_list): When allocating common
9058         symbols, skip a symbol which is no longer common.
9059         * symtab.h (Symbol::is_common): Test whether the symbol comes from
9060         an object before checking its type.
9061         * testsuite/common_test_2.c: New file.
9062         * testsuite/common_test_3.c: New file.
9063         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
9064         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
9065         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
9066         (common_test_2_pic.o, common_test_2.so): New targets.
9067         (common_test_3_pic.o, common_test_3.so): New targets.
9068         * testsuite/Makefile.in: Rebuild.
9069
9070         PR 10979
9071         * script.cc (read_input_script): If we see a new SECTIONS clause,
9072         and we have added an input section, give an error.
9073         * layout.h (class Layout): Add have_added_input_section function.
9074         Add have_added_input_section_ field.
9075         * layout.cc (Layout::Layout): Initialize
9076         have_added_input_section_.
9077         (Layout::layout): Set have_added_input_section_.
9078         (Layout::layout_eh_frame): Likewise.
9079
9080 2009-12-30  Ian Lance Taylor  <iant@google.com>
9081
9082         PR 10931
9083         * options.h (class General_options): Add --sort-common option.
9084         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
9085         * common.cc (Sort_common): Add sort_order parameter to
9086         constructor.  Add sort_order_ field.
9087         (Sort_commons::operator): Check sort_order_.
9088         (Symbol_table::allocate_commons): Determine the sort order.
9089         (Symbol_table::do_allocate_commons): Add sort_order parameter.
9090         Change all callers.
9091         (Symbol_table::do_allocate_commons_list): Likewise.
9092
9093 2009-12-30  Ian Lance Taylor  <iant@google.com>
9094
9095         PR 10916
9096         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
9097         symbols from this object, don't change the visibility of an
9098         undefined symbol.
9099         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
9100
9101 2009-12-30  Ian Lance Taylor  <iant@google.com>
9102
9103         PR 10861
9104         * script.h (class Version_script_info): Define Language enum.
9105         Update declarations.  Define Glob, Exact, and Lookup types.  Add
9106         new fields globals_, locals_, and is_finalized_.
9107         * script.cc: Various formatting fixes.
9108         (class Parser_closure): Change language_stack_ from a vector of
9109         std::string to one of Version_script_info::Language.  Adjust all
9110         uses accordingly.
9111         (class Lazy_demangler): Remove.
9112         (struct Version_expression): Change language from std::string to
9113         Version_script_info::Language.
9114         (Version_script_info::Version_script_info): New function.
9115         (Version_script_info::~Version_script_info): Don't call clear.
9116         (Version_script_info::finalize): New function.
9117         (Version_script_info::build_lookup_tables): New function.
9118         (Version_script_info::build_expression_list_lookup): New
9119         function.
9120         (Version_script_info::get_symbol_version_helper): Rewrite to use
9121         lookup tables.
9122         (Version_script_info::print_expression_list): Adjust to use
9123         Version_script_info::Language.
9124         (script_push_lex_into_version_mode): Check that the version script
9125         has not been finalized.
9126         (version_script_push_lang): Change language string to
9127         Version_script_info::Language.
9128         * options.cc (Command_line::version_script): New function.
9129         * options.h (class General_options): Add finalize_dynamic_list
9130         function.  Change version_script from declaration to definition.
9131         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
9132         * testsuite/version_script.map: Remove duplicate def of foo.
9133         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
9134         version_script.map.
9135         * testsuite/Makefile.in: Rebuild.
9136
9137 2009-12-30  Ian Lance Taylor  <iant@google.com>
9138
9139         PR 10843
9140         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
9141         if the input symbol index is 0, make the output symbol index 0.
9142
9143 2009-12-30  Ian Lance Taylor  <iant@google.com>
9144
9145         PR 10670
9146         * options.h (class General_options): Add -x/--discard-all.
9147         * object.cc (Sized_relobj::do_count_local_symbols): Handle
9148         --discard-all.  If the local symbol needs a dynamic entry, check
9149         that before handling --discard-locals.
9150
9151 2009-12-30  Ian Lance Taylor  <iant@google.com>
9152
9153         PR 10450
9154         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
9155         flags to PF_R.
9156         (Output_segment::add_output_section): Don't change the flags if
9157         the type is PT_TLS.
9158
9159         PR 10450
9160         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
9161         GNU hash table if they need a dynamic value.  Otherwise, don't add
9162         them if they are defined in a dynamic object or are forced local.
9163
9164 2009-12-29  Ian Lance Taylor  <iant@google.com>
9165
9166         PR 10450
9167         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
9168         .gnu.hash table for a 32-bit target.
9169
9170         PR 10450
9171         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
9172         regular and a dynamic object only needs a dynamic symbol table
9173         entry if it is externally visible.
9174
9175         PR 10450
9176         * i386.cc (class Target_i386): Initialize global_offset_table_ in
9177         constructor.  Add global_offset_table_ field.
9178         (Target_i386::got_section): Set global_offset_table_.
9179         (Target_i386::do_finalize_sections): Set global_offset_table_
9180         size.
9181         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
9182         in constructor.  Add global_offset_table_ field.
9183         (Target_x86_64::got_section): Set global_offset_table_.
9184         (Target_x86_64::do_finalize_sections): Set global_offset_table_
9185         size.
9186
9187         * layout.cc (Layout::Layout): Initialize increase_relro_.
9188         (Layout::get_output_section): Add is_relro, is_last_relro, and
9189         is_first_non_relro parameters.  Change all callers.
9190         (Layout::choose_output_section): Likewise.
9191         (Layout::add_output_section_data): Likewise.
9192         (Layout::make_output_section): Likewise.
9193         (Layout::set_segment_offsets): Clear increase_relro when using a
9194         linker script.
9195         * layout.h (class Layout): Add increase_relro method.  Add
9196         increase_relro_ field.  Update declarations.
9197         * output.cc (Output_section::Output_section): Initialize
9198         is_last_relro_ and is_first_non_relro_.
9199         (Output_segment::add_output_section): Group relro sections is
9200         do_sort is true.  Handle is_last_relro and is_first_non_relro.
9201         (Output_segment::maximum_alignment): Remove relro handling.
9202         (Output_segment::set_section_addresses): Add increase_relro
9203         parameter.  Change all callers.  Add initial alignment to align
9204         relro sections on separate page.  Remove old relro handling.
9205         (Output_segment::set_section_list_addresses): Remove in_relro
9206         parameter.  Change all callers.
9207         (Output_segment::set_offset): Add increase parameter.  Change all
9208         callers.  Remove old relro handling.
9209         * output.h (class Output_section): Add new methods: is_last_relro,
9210         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
9211         Add is_last_relro_ and is_first_non_relro_ fields.
9212         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
9213         Create separate .got.plt section.  Call increase_relro.
9214         * x86_64.cc (Target_x86_64::got_section): Likewise.
9215         * testsuite/relro_script_test.t: Add .got.plt.
9216
9217         PR 10450
9218         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
9219         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
9220         (Layout::finalize): Call set_dynamic_symbol_size.
9221         (Layout::set_dynamic_symbol_size): New function.
9222         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
9223         set_dynamic_symbol_size.
9224
9225         PR 10450
9226         * output.h (class Output_section): Add is_entsize_zero_ field.
9227         * output.cc (Output_section::Output_section): Initialize
9228         is_entsize_zero_.
9229         (Output_section::set_entsize): If two different entsizes are
9230         requested, force it to zero.
9231         (Output_section::add_input_section): Set flags for .debug_str
9232         before updating section flags.  Set entsize.
9233         (Output_section::update_flags_for_input_section): Set SHF_MERGE
9234         and SHF_STRING if all input sections have those flags.
9235
9236 2009-12-29   Rafael Espindola  <espindola@google.com>
9237
9238         * main.cc (main): Fix the sys time reporting.
9239         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
9240         reporting.
9241
9242 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
9243
9244         * options.cc (General_options::parse_version): Allow -v to exit
9245         without an error if there is nothing to link.
9246
9247 2009-12-29  Ian Lance Taylor  <iant@google.com>
9248
9249         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
9250         using a version of gcc before 4.1.
9251         * configure: Rebuild.
9252
9253 2009-12-28  Chris Demetriou  <cgd@google.com>
9254
9255         * attributes.cc (Output_attributes_section_data::do_write): Use
9256         std::vector::front rather than std::vector::data.
9257
9258 2009-12-28  Ian Lance Taylor  <iant@google.com>
9259
9260         * symtab.h (class Symbol_table): Add enum Defined.
9261         * resolve.cc (Symbol_table::should_override): Add defined
9262         parameter.  Change all callers.  Test whether object is NULL
9263         before calling a method on it.
9264         (Symbol_table::report_resolve_problem): Add defined parameter.
9265         Change all callers.
9266         (Symbol_table::should_override_with_special): Likewise.
9267         * symtab.cc (Symbol_table::define_in_output_data): Add defined
9268         parameter.  Change all callers.
9269         (Symbol_table::do_define_in_output_data): Likewise.
9270         (Symbol_table::define_in_output_segment): Likewise.
9271         (Symbol_table::do_define_in_output_segment): Likewise.
9272         (Symbol_table::define_as_constant): Likewise.
9273         (Symbol_table::do_define_as_constant): Likewise.
9274         * script.h (class Symbol_assignment): Add is_defsym parameter to
9275         constructor; change all callers.
9276         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
9277         parameter.  Change all callers.  Add is_defsym_ field.
9278         (class Parser_closure): Add parsing_defsym parameter to
9279         constructor; change all callers.  Add parsing_defsym accessor
9280         function.  Add parsing_defsym_ field.
9281
9282 2009-12-28  Ian Lance Taylor  <iant@google.com>
9283
9284         * gold.cc (queue_middle_tasks): Fix formatting.
9285         * object.cc (Relobj::is_section_name_included): Likewise.
9286
9287 2009-12-23  Ian Lance Taylor  <iant@google.com>
9288
9289         * i386.cc (Target_i386::do_calls_non_split): Recognize
9290         -fsplit-stack prologue for a function with a static chain.
9291         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
9292         -fsplit-stack prologue when using %r11.
9293
9294 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
9295
9296         * options.cc (General_options::parse_version): Make -v continue and do
9297         the link like GNU ld does.
9298
9299 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
9300
9301         * Makefile.am (CCFILES): Add timer.cc.
9302         (HFILES): Add timer.h.
9303         * configure.ac: Check for sysconf and times.
9304         * main.cc: include timer.h.
9305         (main): Use Timer instead of get_run_time.
9306         * timer.cc: New.
9307         * timer.h: New.
9308         * workqueue.cc: include timer.h.
9309         (Workqueue::find_and_run_task):
9310         Report user, sys and wall time.
9311         * Makefile.in: Regenerate.
9312         * config.in: Regenerate.
9313         * configure: Regenerate.
9314
9315 2009-12-16  Doug Kwan  <dougkwan@google.com>
9316
9317         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
9318         sections.
9319         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
9320         relaxed input sections.
9321         * output.cc (Output_section::find_relaxed_input_section): Change
9322         return type to Output_relaxed_input_section pointer.  Adjust code
9323         for new type of relaxed_input_section_map_.
9324         * output.h (Output_section::find_relaxed_input_section): Change
9325         return type to Output_relaxed_input_section pointer.
9326         (Output_section::Output_relaxed_input_section_by_input_section_map):
9327         New type.
9328         (Output_section::relaxed_input_section_map_): Change type to
9329         Output_section::Output_relaxed_input_section_by_input_section_map.
9330         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
9331         input section.
9332
9333 2009-12-15  Ian Lance Taylor  <iant@google.com>
9334
9335         * layout.cc (Layout::create_shstrtab): Only write out after input
9336         sections if we are compressing debug sections.
9337
9338 2009-12-15  Ian Lance Taylor  <iant@google.com>
9339
9340         * archive.cc (Archive::add_symbols): Only look up a symbol without
9341         a version if there is, in fact, a version.
9342
9343 2009-12-14  Ian Lance Taylor  <iant@google.com>
9344
9345         Revert -Wshadow changes, all changes from:
9346         2009-12-11  Doug Kwan  <dougkwan@google.com>
9347         2009-12-11  Nick Clifton  <nickc@redhat.com>
9348         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
9349
9350 2009-12-11  Doug Kwan  <dougkwan@google.com>
9351
9352         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
9353         due to -Wshadow.
9354         * attributes.cc (Object_attribute::size): Ditto.
9355         (Attributes_section_data::size): Ditto.
9356         (Attributes_section_data::Attributes_section_data): Ditto.
9357         (Output_attributes_section_data::do_write): Ditto.
9358         * attributes.h (Object_attribute::set_type): Ditto.
9359         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
9360
9361 2009-12-11  Nick Clifton  <nickc@redhat.com>
9362
9363         * archive.cc: Fix shadowed variable warnings.
9364         * arm.cc: Likewise.
9365         * compressed_output.cc: Likewise.
9366         * compressed_output.h: Likewise.
9367         * configure: Likewise.
9368         * dwarf_reader.cc: Likewise.
9369         * dynobj.cc: Likewise.
9370         * dynobj.h: Likewise.
9371         * ehframe.cc: Likewise.
9372         * ehframe.h: Likewise.
9373         * errors.cc: Likewise.
9374         * expression.cc: Likewise.
9375         * fileread.cc: Likewise.
9376         * fileread.h: Likewise.
9377         * freebsd.h: Likewise.
9378         * i386.cc: Likewise.
9379         * icf.cc: Likewise.
9380         * incremental.h: Likewise.
9381         * layout.cc: Likewise.
9382         * layout.h: Likewise.
9383         * mapfile.cc: Likewise.
9384         * merge.cc: Likewise.
9385         * merge.h: Likewise.
9386         * object.cc: Likewise.
9387         * object.h: Likewise.
9388         * options.h: Likewise.
9389         * output.cc: Likewise.
9390         * output.h: Likewise.
9391         * parameters.cc: Likewise.
9392         * plugin.cc: Likewise.
9393         * powerpc.cc: Likewise.
9394         * reduced_debug_output.cc: Likewise.
9395         * reduced_debug_output.h: Likewise.
9396         * reloc.cc: Likewise.
9397         * reloc.h: Likewise.
9398         * resolve.cc: Likewise.
9399         * script-sections.cc: Likewise.
9400         * script.cc: Likewise.
9401         * script.h: Likewise.
9402         * sparc.cc: Likewise.
9403         * symtab.cc: Likewise.
9404         * symtab.h: Likewise.
9405         * target-select.cc: Likewise.
9406         * target-select.h: Likewise.
9407         * token.h: Likewise.
9408         * workqueue.cc: Likewise.
9409         * workqueue.h: Likewise.
9410         * x86_64.cc: Likewise.
9411
9412 2009-12-10  Doug Kwan  <dougkwan@google.com>
9413
9414         * arm.cc (attributes.h): New include.
9415         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
9416         (Arm_relobj::~Arm_relobj): Delete object pointed by
9417         attributes_section_data_.
9418         (Arm_relobj::attributes_section_data): New method definition.
9419         (Arm_relobj::attributes_section_data_): New data member declaration.
9420         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
9421         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
9422         attributes_section_data_.
9423         (Arm_dynobj::attributes_section_data): New method definition.
9424         (Arm_dynobj::attributes_section_data_): New data member declaration.
9425         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
9426         initialization value of may_use_blx_ to false.
9427         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
9428         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
9429         object attributes to compute results instead of hard-coding.
9430         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
9431         Target_arm::get_secondary_compatible_arch,
9432         Target_arm::set_secondary_compatible_arch
9433         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
9434         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
9435         New method declarations.
9436         (Target_arm::get_aeabi_object_attribute): New method definition.
9437         (Target_arm::attributes_section_data_): New data member declaration.
9438         (read_arm_attributes_section): New template definition.
9439         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
9440         (Arm_dynobj::do_read_symbols): Ditto.
9441         (Target_arm::do_finalize_sections): Merge attributes sections from
9442         input.  Check for BLX use after attributes section merging.
9443         Fix __exidx_start and __exidx_end visibility.  Create an
9444         .ARM.attributes section if necessary.
9445         (Target_arm::get_secondary_compatible_arch,
9446         Target_arm::set_secondary_compatible_arch,
9447         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
9448         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
9449         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
9450         New method definitions.
9451
9452 2009-12-09  Ian Lance Taylor  <iant@google.com>
9453
9454         * plugin.cc (Plugin::load): Don't cast from void* to a function
9455         pointer.
9456
9457 2009-12-09  Ian Lance Taylor  <iant@google.com>
9458
9459         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
9460         information fields.
9461
9462 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
9463
9464         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
9465         Replace two_file_shared_1.so with two_file_shared_2.so.
9466         * testsuite/Makefile.in: Regenerated.
9467
9468 2009-12-08  Doug Kwan  <dougkwan@google.com>
9469
9470         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
9471         (HFILES): Add attributes.h and int_encoding.h.
9472         * Makefile.in: Regenerate.
9473         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
9474         function definitions to int_encoding.cc
9475         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
9476         prototypes to int_encoding.h
9477         * reduced_debug_output.cc (int_encoding.h): New include.
9478         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
9479         function definitions to int_encoding.cc
9480         (insert_into_vector, read_from_pointer): Move template definitions to
9481         int_encoding.h
9482         * attributes.cc: New file.
9483         * attributes.h: New file.
9484         * int_encoding.cc: New file.
9485         * int_encoding.h: New file.
9486
9487 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
9488
9489         PR gold/11055
9490         * incremental-dump.cc (dump_incremental_inputs): New.
9491         (main): Use dump_incremental_inputs.
9492
9493 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
9494
9495         PR gold/10893
9496         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
9497         checking elfcpp::STT_FUNC.
9498         (Target_i386::Relocate::relocate): Likewise.
9499         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
9500
9501         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
9502         symbols from shared libraries into normal FUNC symbols.
9503
9504         * symtab.h (Symbol): Add is_func and use it.
9505
9506 2009-12-05  Doug Kwan  <dougkwan@google.com>
9507
9508         * arm.cc (Target_arm::arm_info): Initialize new fields
9509         attributes_section and attributes_vendor.
9510         * i386.cc (Target_i386::i386_info): Same.
9511         * object.cc (Sized_relobj::do_layout): Skip attribute section.
9512         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
9513         fields attributes_section and attributes_vendor.
9514         * sparc.cc (Target_sparc::sparc_info): Same.
9515         * target.h (Target::attributes_section, Target::attributes_vendor,
9516         Target::is_attributes_section, Target::attribute_arg_type,
9517         Target::attributes_order): New method definitions.
9518         (Target::Target_info::attributes_section,
9519         Target::Target_info::attributes_vendor): New fields.
9520         (Target::do_attribute_arg_type, Target::do_attributes_order): New
9521         virtual method definitions.
9522         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
9523         attributes_section and attributes_vendor.
9524         * testsuite/testfile.cc (Target_test::test_target_info): Same.
9525
9526 2009-12-05  Doug Kwan  <dougkwan@google.com>
9527
9528         * arm.cc: Update comments about interworking and stub generation.
9529         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
9530         considered as non-PIC.
9531         (Arm_relocate_functions::base_abs): Fix formatting.
9532         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
9533         of function to use GOT entry address instead of offset.
9534         (Target_arm::Scan::global): Issue an error if a symbol would need a
9535         PLT does not get one because it is untyped.  Remove code to create
9536         dynamic symbols for relative branches.
9537         (Target_arm::Relocate::relocate: Use 0 instead of false since function
9538         takes unsigned integer instead of boolean.
9539
9540 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
9541
9542         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
9543         (two_file_test_LDADD): Likewise.
9544         (common_test_1_LDADD): Likewise.
9545         (exception_test_LDADD) Likewise.
9546         (weak_test_LDADD): Likewise.
9547         (many_sections_test_LDADD): Likewise.
9548         (initpri1_LDADD): Likewise.
9549         (script_test_1_LDADD): Likewise.
9550         (script_test_2_LDADD): Likewise.
9551         (justsyms_LDADD): Likewise.
9552         (binary_test_LDADD): Likewise.
9553         (large_LDADD): Likewise.
9554         * testsuite/Makefile.in: Regenerated.
9555
9556 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
9557
9558         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
9559         (Symbol_table::override_with_special): Likewise.
9560         (Symbol_table::add_from_object): Likewise.
9561
9562 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
9563
9564         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
9565         Don't set the data_offset twice.
9566
9567 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
9568
9569         * testsuite/Makefile.in: Regenerate.
9570
9571 2009-12-03  Doug Kwan  <dougkwan@google.com>
9572
9573         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
9574         (Target_arm::do_finalize_sections): Add parameter for symbol table
9575         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
9576         * i386.cc (Target_i386::do_finalize_sections): Add an additional
9577         parameter for symbol table pointer.
9578         * layout.cc (Layout::finalize): Call Target::finalize_sections with
9579         an additional parameter for a pointer to symbol table.
9580         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
9581         parameter for a symbol table pointer.
9582         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
9583         * target.h (Target::finalize_sections, Target::do_finalize_sections):
9584         Ditto.
9585         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
9586         parameter for a symbol table pointer.
9587
9588 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
9589
9590         * incremental.cc (Incremental_inputs_header)
9591         (Incremental_inputs_header_write, Incremental_inputs_entry)
9592         (Incremental_inputs_entry_write): Move ...
9593         * incremental.h (Incremental_inputs_header)
9594         (Incremental_inputs_header_write, Incremental_inputs_entry)
9595         (Incremental_inputs_entry_write): here.
9596
9597 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9598
9599         * incremental.cc (make_sized_incremental_binary): Set the target.
9600         Error if it is incompatible.
9601         * output.h (Output_file): Add filename method.
9602
9603 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9604
9605         * incremental.cc (Incremental_inputs_entry): Remove unused argument
9606         from the get_* methods.
9607
9608 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9609
9610         * incremental-dump.cc (main): Check that the offeset of a script is 0.
9611         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
9612         Write 0 for the data_offset of scripts.
9613
9614 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9615
9616         * testsuite/Makefile.am: Add the incremental_test.sh test.
9617         * testsuite/incremental_test.sh: New.
9618         * testsuite/incremental_test_1.c: New.
9619         * testsuite/incremental_test_2.c: New.
9620
9621 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
9622
9623         * incremental-dump.cc (main): Fix typos.
9624
9625 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
9626
9627         PR gold/11025
9628         * incremental-dump.cc (main): Use llu to print 64 bit values.
9629
9630 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
9631             H.J. Lu  <hongjiu.lu@intel.com>
9632
9633         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
9634         $(LIBDL).
9635         (incremental_dump_LDADD): Likewise.
9636         * Makefile.in: Regenerated.
9637
9638 2009-11-25  Doug Kwan  <dougkwan@google.com>
9639
9640         Revert:
9641
9642         2009-11-25  Doug Kwan  <dougkwan@google.com>
9643
9644                 * arm.cc (Target_arm::Target_arm): Move method definition
9645                 outside of class definition.  Add code to handle
9646                 --target1-rel, --target1-abs and --target2= options.
9647                 (Target_arm::get_reloc_reloc_type): Change method to be
9648                 non-static and const.
9649                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
9650                 New data member declaration.
9651                 (Target_arm::Scan::local, Target_arm::Scan::global,
9652                 Target_arm::Relocate::relocate,
9653                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9654                 Adjust call to Target_arm::get_real_reloc_type.
9655                 (Target_arm::get_real_reloc_type): Use command line options
9656                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9657                 * options.h (--target1-rel, --target1-abs, --target2): New
9658                 ARM-only options.
9659
9660 2009-11-25  Doug Kwan  <dougkwan@google.com>
9661
9662         * arm.cc (Target_arm::Target_arm): Move method definition outside of
9663         class definition.  Add code to handle --target1-rel, --target1-abs
9664         and --target2= options.
9665         (Target_arm::get_reloc_reloc_type): Change method to be non-static
9666         and const.
9667         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
9668         member declaration.
9669         (Target_arm::Scan::local, Target_arm::Scan::global,
9670         Target_arm::Relocate::relocate,
9671         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
9672         call to Target_arm::get_real_reloc_type.
9673         (Target_arm::get_real_reloc_type): Use command line options to
9674         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9675         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
9676         options.
9677
9678 2009-11-25  Doug Kwan  <dougkwan@google.com>
9679
9680         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
9681         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
9682         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
9683         formatting.
9684         (Arm_relocate_functions::thm_call): Replace body with a call to
9685         Arm_relocate_functions::thumb_branch_common.
9686         (Arm_relocate_functions::thm_jump24,
9687         Arm_relocate_functions::thm_xpc22): New method definitions.
9688         (Arm_relocate_functions::thumb_branch_common): New method definition.
9689         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
9690         operator.
9691         (Target_arm::Relocate::relocate): Adjust call to thm_call.
9692         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
9693
9694 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9695
9696         * Makefile.am: Build incremental-dump
9697         * Makefile.in: Regenerate.
9698         * incremental-dump.cc: New.
9699         * incremental.cc (Incremental_inputs_header_data,
9700         Incremental_inputs_entry_data): Move to incremental.h
9701         * incremental.h: (Incremental_inputs_header_data,
9702         Incremental_inputs_entry_data): Move from incremental.cc
9703
9704 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9705
9706         * incremental.cc (Incremental_inputs_header,
9707         Incremental_inputs_header_write, Incremental_inputs_entry,
9708         Incremental_inputs_entry_write): Add a typedef with the data type.
9709
9710 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9711
9712         * incremental.cc (Incremental_inputs_header,
9713         Incremental_inputs_header_write, Incremental_inputs_entry,
9714         Incremental_inputs_entry_write): Update comment about which
9715         type has the filed descriptions.
9716
9717 2009-11-15  Doug Kwan  <dougkwan@google.com>
9718
9719         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
9720         (Arm_relocate_functions::arm_branch_common): Change method defintion
9721         in class definition to a method declaration and update list of formal
9722         parameters.
9723         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
9724         Arm_relocation_functions::jump24): Adjust call to
9725         Arm_relocate_functions::arm_branch_common.  Update list of formal
9726         parameters.
9727         (Arm_relocate_functions::xpc25): New method definition.
9728         (Arm_relocate_functions::arm_branch_common): Move method defintion
9729         out from class definition.  Use stubs for mode-switching and extending
9730         branch ranges.
9731         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
9732         specially.  Change code to enable use of stubs in ARM branches.
9733
9734 2009-11-10  Doug Kwan  <dougkwan@google.com>
9735
9736         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
9737         in method declaration.
9738         (Target_arm::relocate_stub): New method declaration.
9739         (Target_arm::default_target): Change to return a pointer instead of
9740         a const reference.
9741         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
9742         Target_arm::default_target.
9743         (Arm_Relobj::do_relocate_sections): Remove options paramater in
9744         method definition.
9745         (Target_arm::relocate_section): Adjust view.
9746         (Target_arm::relocate_stub): New method definition.
9747
9748 2009-11-10  Doug Kwan  <dougkwan@google.com>
9749
9750         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
9751         a format warning.
9752         * incremental.cc (open_incremental_binary): Initialized local
9753         variables to avoid warnings.
9754         * object.cc (make_elf_object): Ditto.
9755         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
9756         a format warning.
9757
9758 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
9759
9760         PR gold/10930
9761         * testsuite/plugin_test.c: Include "config.h".
9762
9763 2009-11-09  Doug Kwan  <dougkwan@google.com>
9764
9765         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
9766         (arm_symbol_value): Remove.
9767         (Arm_relocate_functions::arm_branch_common,
9768         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
9769         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
9770         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
9771         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
9772         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
9773         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
9774         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
9775         Arm_relocate_functions::thm_mobw_abs_nc,
9776         Arm_relocate_functions::thm_mov_abs,
9777         Arm_relocate_functions::movw_prel_nc,
9778         Arm_relocate_functions::thm_movt_abs,
9779         Arm_relocate_functions::movt_prel,
9780         Arm_relocate_functions::thm_movw_prel_nc,
9781         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
9782         (Target_arm::Relocate::relocate): Only decompose address into two
9783         parts if relocation type uses the thumb-bit and pass the actual
9784         bit instead of a flag indicating that the thumb-bit is used.  Adjust
9785         calls to methods in Arm_relocate_functions for this change.
9786
9787 2009-11-08  Ian Lance Taylor  <iant@google.com>
9788
9789         PR 10925
9790         * reloc.cc: Instantiate
9791         Sized_relobj::initialize_input_to_output_maps and
9792         Sized_relobj:free_input_to_output_maps.
9793
9794 2009-11-06  Ian Lance Taylor  <iant@google.com>
9795
9796         PR 10876
9797         * defstd.cc (in_segment): Set only_if_ref true for "end".
9798
9799 2009-11-06  Doug Kwan  <dougkwan@google.com>
9800
9801         * arm.cc (class Reloc_stub): Correct a comment.
9802         (Target_arm::Target_arm): Initialize arm_input_section_map_.
9803         (Target_arm::scan_section_for_stubs): New method declaration.
9804         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
9805         Change methods from private to protected.
9806         (Target_arm::do_may_relax): New method definition.
9807         (Target_arm::do_relax, Target_arm::group_sections,
9808         Target_arm::scan_reloc_for_stub,
9809         Target_arm::scan_reloc_section_for_stubs): New method declarations.
9810         (Target_arm::arm_input_section_map_): New data member declaration.
9811         (Target_arm::scan_reloc_for_stub,
9812         Target_arm::scan_reloc_section_for_stubs,
9813         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
9814         Target_arm::do_relax): New method definitions.
9815
9816 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
9817
9818         * configure.ac: Check for (struct stat)::st_mtim
9819         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
9820         * config.in: Regenerate.
9821         * configure: Regenerate.
9822
9823 2009-11-05  Ian Lance Taylor  <iant@google.com>
9824
9825         PR 10910
9826         * output.cc (Output_segment::add_output_section): Add missing
9827         return statement.
9828
9829 2009-11-04  Ian Lance Taylor  <iant@google.com>
9830
9831         PR 10880
9832         * object.h (class Object): Add is_needed and set_is_needed
9833         methods.  Add is_needed_ field.  Make bool fields into bitfields.
9834         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
9835         defined in a dynamic object and referenced by a regular object,
9836         set is_needed for the dynamic object.
9837         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
9838         if the file is marked with as_needed and it is not needed.
9839
9840 2009-11-04  Ian Lance Taylor  <iant@google.com>
9841
9842         PR 10887
9843         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
9844         tags if data is discarded by linker script.
9845         * i386.cc (Target_i386::do_finalize_sections): Likewise.
9846         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
9847         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
9848         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
9849
9850 2009-11-04  Ian Lance Taylor  <iant@google.com>
9851
9852         * layout.cc (Layout::get_output_section): Add is_interp and
9853         is_dynamic_linker_section parameters.  Change all callers.
9854         (Layout::choose_output_section): Likewise.
9855         (Layout::make_output_section): Likewise.
9856         (Layout::add_output_section_data): Add is_dynamic_linker_section
9857         parameter.  Change all callers.
9858         * layout.h (class Layout): Update declarations.
9859         * output.h (class Output_section): Add is_interp, set_is_interp,
9860         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
9861         Add is_interp_, is_dynamic_linker_section_ fields.  Change
9862         generate_code_fills_at_write_ to a bitfield.
9863         * output.cc (Output_section::Output_sections): Initialize new
9864         fields.
9865         (Output_segment::add_output_section): Add do_sort parameter.
9866         Change all callers.
9867
9868 2009-11-03  Ian Lance Taylor  <iant@google.com>
9869
9870         PR 10860
9871         * options.h (class General_options): Add --warn-common.
9872         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
9873         merging two common symbols.
9874         (Symbol_table::should_override): Handle --warn-common when merging
9875         a common symbol with a defined symbol.  Use report_resolve_problem
9876         for multiple definitions.
9877         (Symbol_table::report_resolve_problem): New function.
9878         * symtab.h (class Symbol_table): Declare report_resolve_problem.
9879
9880 2009-11-03  Doug Kwan  <dougkwan@google.com>
9881
9882         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
9883         stub_factory_.
9884         (Target_arm::stub_factory): New method definition.
9885         (Target_arm::new_arm_input_section,
9886         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
9887         Target_arm::reloc_uses_thumb_bit): New method declarations.
9888         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
9889         New type definitions.
9890         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
9891         member declarations.
9892         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
9893         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
9894         New method definitions.
9895
9896 2009-11-03  Ian Lance Taylor  <iant@google.com>
9897
9898         * options.h (class General_options): Add --warn_constructors.
9899
9900 2009-11-03  Ian Lance Taylor  <iant@google.com>
9901
9902         PR 10893
9903         * defstd.cc (in_section): Add entries for __rel_iplt_start,
9904         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
9905
9906 2009-11-03  Ian Lance Taylor  <iant@google.com>
9907
9908         PR 10895
9909         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
9910         --msgid-bugs-address.
9911         (install-pdf): New target.
9912         (install-data_yes): Look up one directory to find mkinstalldirs.
9913
9914 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
9915
9916         * po/Make-in (.po.gmo): Don't generate .gmo files in source
9917         tree.
9918
9919 2009-10-30  Doug Kwan  <dougkwan@google.com>
9920
9921         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
9922
9923 2009-10-30  Doug Kwan  <dougkwan@google.com>
9924
9925         * arm.cc (Stub_addend_reader): New struct template definition
9926         and partial specializations.
9927         (Stub_addend_reader::operator()): New method definition for a
9928         partially specialized template.
9929
9930 2009-10-30  Doug Kwan  <dougkwan@google.com>
9931
9932         * arm.cc (Arm_relobj::processor_specific_flags): New method
9933         definition.
9934         (Arm_relobj::do_read_symbols): New method declaration.
9935         (Arm_relobj::processor_specific_flags_): New data member declaration.
9936         (Arm_dynobj): New class definition.
9937         (Target_arm::do_finalize_sections): Add input_objects parameter.
9938         (Target_arm::do_adjust_elf_header): New method declaration.
9939         (Target_arm::are_eabi_versions_compatible,
9940         (Target_arm::merge_processor_specific_flags): New method declaration.
9941         (Target_arm::do_make_elf_object): New overloaded method definitions
9942         and declaration.
9943         (Arm_relobj::do_read_symbols): New method definition.
9944         (Arm_dynobj::do_read_symbols): Ditto.
9945         (Target_arm::do_finalize_sections): Add input_objects parameters.
9946         Merge processor-specific flags from all input objects.
9947         (Target_arm::are_eabi_versions_compatible,
9948         Target_arm::merge_processor_specific_flags,
9949         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
9950         New method definitions.
9951         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
9952         Input_objects pointer type parameter.
9953         * layout.cc (Layout::finalize): Pass input objects to target's.
9954         finalize_sections function.
9955         * output.cc (Output_file_header::do_sized_write): Set ELF file
9956         header's processor-specific flags.
9957         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
9958         Input_objects pointer type parameter.
9959         * sparc.cc (Target_sparc::do_finalize_sections): Same.
9960         * target.h (Input_objects): New forward class declaration.
9961         (Target::processor_specific_flags,
9962         Target::are_processor_specific_flags_sect): New method definitions.
9963         (Target::finalize_sections): Add input_objects parameter.
9964         (Target::Target): Initialize processor_specific_flags_ and
9965         are_processor_specific_flags_set_.
9966         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
9967         parameter.
9968         (Target::set_processor_specific_flags): New method definition.
9969         (Target::processor_specific_flags_,
9970         Target::are_processor_specific_flags_set_): New data member
9971         declarations.
9972         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
9973         Input_objects pointer type parameter.
9974
9975 2009-10-30  Doug Kwan  <dougkwan@google.com>
9976
9977         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
9978
9979 2009-10-28  Ian Lance Taylor  <iant@google.com>
9980
9981         * object.h (class Relobj): Drop options parameter from
9982         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
9983         do_scan_relocs, do_relocate.  Change all callers.
9984         (class Sized_relobj): Drop options parameters from
9985         do_gc_process_relocs, do_scan_relocs, do_relocate,
9986         do_relocate_sections, relocate_sections, emit_relocs_scan,
9987         emit_relocs_scan_reltype.  Change all callers.
9988         (struct Relocate_info): Remove options field and all references to
9989         it.
9990         * reloc.h (class Read_relocs): Remove options constructor
9991         parameter and options_ field.  Change all callers.
9992         (class Gc_process_relocs, class Scan_relocs): Likewise.
9993         (class Relocate_task): Likewise.
9994         * target-reloc.h (scan_relocs): Remove options parameter.  Change
9995         all callers.
9996         (scan_relocatable_relocs): Likewise.
9997         * target.h (class Sized_target): Remove options parameter from
9998         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
9999         all callers.
10000         * gc.h (gc_process_relocs): Remove options parameter.  Change all
10001         callers.
10002         * arm.cc: Update functions to remove options parameters.
10003         * i386.cc: Likewise.
10004         * powerpc.cc: Likewise.
10005         * sparc.cc: Likewise.
10006         * x86_64.cc: Likewise.
10007         * testsuite/testfile.cc: Likewise.
10008
10009 2009-10-28  Doug Kwan  <dougkwan@google.com>
10010
10011         * arm.cc (Arm_relobj): New class definition.
10012         (Arm_relobj::scan_sections_for_stubs,
10013         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
10014         New method definitions.
10015
10016 2009-10-28  Cary Coutant  <ccoutant@google.com>
10017
10018         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
10019         (Plugin::cleanup_done_): New member.
10020         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
10021         (Plugin_manager::cleanup_done_): Remove.
10022         (Plugin_manager::add_input_file): Edit error message.
10023         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
10024         (Plugin_manager::cleanup): Remove use of cleanup_done_.
10025
10026 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
10027
10028         * fileread.cc: (File_read::View::~View): Use the new
10029         data_ownership_ filed.
10030         (File_read::~File_read): Dispose the new whole_file_view_.
10031         (File_read::open): Mmap the whole file if needed.
10032         (File_read::open): Use whole_file_view_ instead of contents_.
10033         (File_read::find_view): Use whole_file_view_ if applicable.
10034         (File_read::do_read): Use whole_file_view_ instead of contents_.
10035         (File_read::make_view): Use whole_file_view_ instead of contents_,
10036         update File_read::View::View call.
10037         (File_read::find_or_make_view): Update File_read::View::View
10038         call.
10039         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
10040         remove contents_
10041         (File_read::View::Data_ownership): New enum.
10042         (File_read::View::View): Replace bool mapped_ with Data_ownership
10043         argument.
10044         (File_read::View::mapped_): Remove (replaced by data_ownership_).
10045         (File_read::View::data_ownership_): New field.
10046         (File_read::contents_): Remove (replaced by whole_file_view_).
10047         (File_read::whole_file_view_): New field.
10048         * options.h (class General_options): Add --keep-files-mapped.
10049
10050 2009-10-27  Cary Coutant  <ccoutant@google.com>
10051
10052         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
10053         * testsuite/Makefile.am (plugin_test_5): New test case.
10054         * testsuite/Makefile.in: Regenerate.
10055
10056 2009-10-25  Doug Kwan  <dougkwan@google.com>
10057
10058         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
10059         from private to protected to allow access by child class.
10060         (Sized_relobj::do_relocate_sections): New method declaration.
10061         (Sized_relobj::relocate_sections): Virtualize.
10062         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
10063         Sized_relobj::relocate_sections.  Instantiate template explicitly
10064         for different target sizes and endianity.
10065
10066 2009-10-24  Doug Kwan  <dougkwan@google.com>
10067
10068         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
10069         (Arm_input_section::as_arm_input_section): New method.
10070         (Arm_output_section): New class definition.
10071         (Arm_output_section::create_stub_group,
10072         Arm_output_section::group_sections): New method definitions.
10073
10074 2009-10-22  Doug Kwan  <dougkwan@google.com>
10075
10076         * arm.cc (Arm_input_section): New class definition.
10077         (Arm_input_section::init, Arm_input_section:do_write,
10078         Arm_input_section::set_final_data_size,
10079         Arm_input_section::do_reset_address_and_file_offset): New method
10080         definitions.
10081
10082 2009-10-21  Doug Kwan  <dougkwan@google.com>
10083
10084         * arm.cc (Stub_table, Arm_input_section): New forward class
10085         declarations.
10086         (Stub_table): New class defintion.
10087         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
10088         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
10089         New method definition.
10090
10091 2009-10-21  Doug Kwan  <dougkwan@google.com>
10092
10093         * arm.cc: Update copyright comments.
10094         (Target_arm): New forward class template declaration.
10095         (Arm_address): New type.
10096         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
10097         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
10098         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
10099         constants.
10100         (Insn_template): Same.
10101         (DEF_STUBS): New macro.
10102         (Stub_type): New enum type.
10103         (Stub_template): New class definition.
10104         (Stub): Same.
10105         (Reloc_stub): Same.
10106         (Stub_factory): Same.
10107         (Target_arm::Target_arm): Initialize may_use_blx_ and
10108         should_force_pic_veneer_.
10109         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
10110         Target_arm::should_force_pic_veneer,
10111         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
10112         Target_arm::using_thumb_only, Target_arm:;default_target): New
10113         method defintions.
10114         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
10115         New data member declarations.
10116         (Insn_template::size, Insn_template::alignment): New method defintions.
10117         (Stub_template::Stub_template): New method definition.
10118         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
10119         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
10120         (Stub_factory::Stub_factory): New method definition.
10121         * gold.h (string_hash): New template.
10122         * output.h (Input_section_specifier::hash_value): Use
10123         gold::string_hash.
10124         (Input_section_specifier::string_hash): Remove.
10125         * stringpool.cc (Stringpool_template::string_hash): Use
10126         gold::string_hash.
10127
10128 2009-10-20  Doug Kwan  <dougkwan@google.com>
10129
10130         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
10131         symbols of relaxed input sections.
10132         * output.h (Output_section::find_relaxed_input_section): Make
10133         method public.
10134
10135 2009-10-16  Doug Kwan  <dougkwan@google.com>
10136
10137         * dynobj.cc (Versions::Versions): Initialize version_script_.
10138         Only insert base version symbol definition for a shared object
10139         if version script defines any version versions.
10140         (Versions::define_base_version): New method definition.
10141         (Versions::add_def): Check that base version is not needed.
10142         (Versions::add_need): Define base version lazily.
10143         * dynobj.h (Versions::define_base_version): New method declaration.
10144         (Versions::needs_base_version_): New data member declaration.
10145         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
10146         (check_DATA): Add no_version_test.stdout.
10147         (libno_version_test.so, no_version_test.o no_version_test.stdout):
10148         New make rules.
10149         * testsuite/Makefile.in: Regenerate.
10150         * testsuite/no_version_test.c: New file.
10151         * testsuite/no_version_test.sh: Ditto.
10152
10153 2009-10-16  Doug Kwan  <dougkwan@google.com>
10154
10155         * expression.cc (class Segment_start_expression): New class definition.
10156         (Segment_start_expression::value): New method definition.
10157         (script_exp_function_segment_start): Return a new
10158         Segment_start_expression.
10159         * gold/script-c.h (script_saw_segment_start_expression): New function
10160         prototype.
10161         * script-sections.cc (Script_sections::Script_sections): Initialize
10162         SAW_SEGMENT_START_EXPRESSION_ to false.
10163         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
10164         and -Tbbs options to specify section addresses if given in
10165         command line and no SEGMENT_START expression is seen in a script.
10166         * script-sections.h (Script_sections::saw_segment_start_expression,
10167         Script_sections::set_saw_segment_start_expression): New method
10168         definition.
10169         (Script_sections::saw_segment_start_expression_): New data member
10170         declaration.
10171         * script.cc (script_saw_segment_start_expression): New function.
10172         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
10173         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
10174         script_test_7.sh and script_test_8.sh.
10175         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
10176         script_test_8.stdout.
10177         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
10178         (script_test_6, script_test_6.stdout, script_test_7,
10179         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
10180         * Makefile.in: Regenerate.
10181         * testsuite/script_test_6.sh: New file.
10182         * testsuite/script_test_6.t: Same.
10183         * testsuite/script_test_7.sh: Same.
10184         * testsuite/script_test_7.t: Same.
10185         * testsuite/script_test_8.sh: Same.
10186
10187 2009-10-16  Doug Kwan  <dougkwan@google.com>
10188
10189         * output.cc (Output_segment::set_section_list_address): Cast
10190         expressions to unsigned long long type to avoid format warnings.
10191
10192 2009-10-15  Ian Lance Taylor  <iant@google.com>
10193
10194         * script.cc (Script_options::add_symbol_assignment): Always add a
10195         dot assignment to script_sections_.
10196         * script-sections.cc (Script_sections::add_dot_assignment):
10197         Initialize if necessary.
10198
10199         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
10200         program headers with no load segment if there is a linker script.
10201
10202         * layout.cc (Layout::set_segment_offsets): Align the file offset
10203         to the segment aligment for -N or -n with no load segment.
10204         * output.cc (Output_segment::add_output_section): Don't crash if
10205         the first section is a TLS section.
10206         (Output_segment::set_section_list_addresses): Print an error
10207         message if the address moves backward in a linker script.
10208         * script-sections.cc
10209         (Output_section_element_input::set_section_addresses): Don't
10210         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
10211         (Orphan_output_section::set_section_addresses): Likewise.
10212
10213 2009-10-15  Doug Kwan  <dougkwan@google.com>
10214
10215         * layout.cc (Layout::finish_dynamic_section): Generate tags
10216         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
10217         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
10218         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
10219
10220 2009-10-14  Ian Lance Taylor  <iant@google.com>
10221
10222         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
10223         fields.
10224         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
10225         data_shdr fields of relinfo.
10226         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
10227         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
10228         R_386_TLS_LDO_32, adjust based on section flags.
10229         (Target_i386::Relocate::fix_up_ldo): Remove.
10230
10231 2009-10-13  Ian Lance Taylor  <iant@google.com>
10232
10233         Add support for -pie.
10234         * options.h (class General_options): Add -pie and
10235         --pic-executable.
10236         (General_options::output_is_position_independent): Test -pie.
10237         (General_options::output_is_executable): Return true if not shared
10238         and not relocatable.
10239         (General_options::output_is_pie): Remove.
10240         * options.cc (General_options::finalize): Reject incompatible uses
10241         of -pie.
10242         * gold.cc (queue_middle_tasks): A -pie link is not static.
10243         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
10244         * symtab.cc (Symbol::final_value_is_known): Return false if
10245         output_is_position_independent.
10246         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
10247         output_is_position_independent.
10248         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
10249         output_is_position_independent.
10250         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
10251         output_is_position_independent.
10252         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
10253         two_file_pie_test.
10254         (basic_pie_test.o, basic_pie_test): New targets.
10255         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
10256         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
10257         (two_file_pie_test): New target.
10258         * testsuite/Makefile.in: Rebuild.
10259         * README: Remove note saying that -pie is not supported.
10260
10261 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10262
10263         * options.h (class General_options): Add -init and -fini.
10264         * layout.cc (Layout::finish_dynamic_section): Emit
10265         given init and fini functions.
10266
10267 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
10268
10269         * gc.h (gc_process_relocs): Check if icf is enabled using new
10270         function.
10271         * gold.cc (queue_initial_tasks): Likewise.
10272         (queue_middle_tasks): Likewise.
10273         * object.cc (do_layout): Likewise.
10274         * symtab.cc (is_section_folded): Likewise.
10275         * main.cc (main): Likewise.
10276         * reloc.cc (Read_relocs::run): Likewise.
10277         (Sized_relobj::do_scan_relocs): Likewise.
10278         * icf.cc (is_function_ctor_or_dtor): New function.
10279         (Icf::find_identical_sections): Check if function is ctor or dtor when
10280         safe icf is chosen.
10281         * options.h (General_options::icf): Change option to be an enum.
10282         (Icf_status): New enum.
10283         (icf_enabled): New method.
10284         (icf_safe_folding): New method.
10285         (set_icf_status): New method.
10286         (icf_status_): New variable.
10287         * (options.cc) (General_options::finalize): Set icf_status_.
10288         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
10289         icf_test and icf_keep_unique_test to use the --icf enum flag.
10290         * testsuite/icf_safe_test.sh: New file.
10291         * testsuite/icf_safe_test.cc: New file.
10292
10293 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
10294
10295         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
10296         includes to gc.h and icf.h.
10297         * arm.cc: Include gc.h.
10298         * gold.cc: Likewise.
10299         * i386.cc: Likewise.
10300         * powerpc.cc: Likewise.
10301         * sparc.cc: Likewise.
10302         * x86_64.cc: Likewise.
10303         * gc.h: Include icf.h.
10304
10305 2009-10-11  Ian Lance Taylor  <iant@google.com>
10306
10307         * plugin.cc: Include "gold.h" before other header files.
10308
10309 2009-10-10  Chris Demetriou  <cgd@google.com>
10310
10311         * options.h (Input_file_argument::Input_file_type): New enum.
10312         (Input_file_argument::is_lib_): Replace with...
10313         (Input_file_argument::type_): New member.
10314         (Input_file_argument::Input_file_argument): Take Input_file_type
10315         'type' rather than boolean 'is_lib' as second argument.
10316         (Input_file_argument::is_lib): Use type_.
10317         (Input_file_argument::is_searched_file): New function.
10318         (Input_file_argument::may_need_search): Handle is_searched_file.
10319         * options.cc (General_options::parse_library): Support -l:filename.
10320         (General_options::parse_just_symbols): Update for Input_file_argument
10321         changes.
10322         (Command_line::process): Likewise.
10323         * archive.cc (Archive::get_file_and_offset): Likewise.
10324         * plugin.cc (Plugin_manager::release_input_file): Likewise.
10325         * script.cc (read_script_file, script_add_file): Likewise.
10326         * fileread.cc (Input_file::Input_file): Likewise.
10327         (Input_file::will_search_for): Handle is_searched_file.
10328         (Input_file::open): Likewise.
10329         * readsyms.cc (Read_symbols::get_name): Likewise.
10330         * testsuite/Makefile.am (searched_file_test): New test.
10331         * testsuite/Makefile.in: Regenerate.
10332         * testsuite/searched_file_test.cc: New file.
10333         * testsuite/searched_file_test_lib.cc: New file.
10334
10335 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10336             Ian Lance Taylor  <iant@google.com>
10337
10338         * descriptor.cc: Include <cstdio> and "binary-io.h".
10339         (Descriptors::open): Open the files in binary mode always.
10340         * script.cc (Lex::get_token): Treat \r as whitespace.
10341
10342 2009-10-09  Ian Lance Taylor  <iant@google.com>
10343
10344         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
10345
10346 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10347             Ian Lance Taylor  <iant@google.com>
10348
10349         * configure.ac: Check for readv function also.
10350         * fileread.cc (readv): Define if not HAVE_READV.
10351         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
10352         does not exist.
10353         * config.in: Regenerate.
10354         * configure: Regenerate.
10355
10356 2009-10-09  Doug Kwan  <dougkwan@google.com>
10357
10358         * layout.cc (Layout::make_output_section): Call target hook to make
10359         ordinary output section.
10360         (Layout::finalize): Adjust parameter list of call the
10361         Target::may_relax().
10362         * layout.h (class Layout::section_list): New method.
10363         * merge.h (Output_merge_base::entsize): Change visibility to public.
10364         (Output_merge_base::is_string, Output_merge_base::do_is_string):
10365         New methods.
10366         (Output_merge_string::do_is_string): New method.
10367         * object.cc (Sized_relobj::do_setup): renamed from
10368         Sized_relobj::set_up.
10369         * object.h (Sized_relobj::adjust_shndx,
10370         Sized_relobj::initializ_input_to_output_maps,
10371         Sized_relobj::free_input_to_output_maps): Change visibilities to
10372         protected.
10373         (Sized_relobj::setup): Virtualize.
10374         (Sized_relobj::do_setup): New method declaration.
10375         (Sized_relobj::invalidate_section_offset,
10376         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
10377         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
10378         * options.cc (parse_int): New function.
10379         * options.h (parse_int): New declaration.
10380         (DEFINE_int): New macro.
10381         (stub_group_size): New option.
10382         * output.cc (Output_section::Output_section): Initialize memebers
10383         merge_section_map_, merge_section_by_properties_map_,
10384         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
10385         (Output_section::add_input_section): Handled deferred code-fill
10386         generation and remove an old comment.
10387         (Output_section::add_relaxed_input_section): New method definition.
10388         (Output_section::add_merge_input_section): Use merge section by
10389         properties map to speed to search.  Update merge section maps
10390         as appropriate.
10391         (Output_section::build_relaxation_map): New method definition.
10392         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
10393         Same.
10394         (Output_section::relax_input_section): Renamed to
10395         Output_section::convert_input_sections_to_relaxed_sections and change
10396         interface to take a vector of pointers to relaxed sections.
10397         (Output_section::find_merge_section,
10398         Output_section::find_relaxed_input_section): New method definitions.
10399         (Output_section::is_input_address_mapped,
10400         Output_section::output_offset, Output_section::output_address):
10401         Use output section data maps to speed up searching.
10402         (Output_section::find_starting_output_address): Add comments.
10403         (Output_section::do_write,
10404         Output_section::write_to_postprocessing_buffer): Do code-fill
10405         generation as appropriate.
10406         (Output_section::get_input_sections): Invalidate relaxed input section
10407         map.
10408         (Output_section::restore_states): Adjust type of checkpoint .
10409         Invalidate relaxed input section map.
10410         * output.h (Output_merge_base): New class declaration.
10411         (Input_section_specifier): New class defintion.
10412         (class Output_relaxed_input_section) Change base class to
10413         Output_section_data_build.
10414         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
10415         base class initializer.
10416         (Output_section::add_relaxed_input_section): New method declaration.
10417         (Output_section::Input_section): Change visibility to protected.
10418         (Output_section::Input_section::relobj,
10419         Output_section::Input_section::shndx): Handle relaxed input sections.
10420         Output_section::input_sections) Change visibility to protected.  Also
10421         define overload to return a non-const pointer.
10422         (Output_section::Merge_section_properties): New class defintion.
10423         (Output_section::Merge_section_by_properties_map,
10424         Output_section::Output_section_data_by_input_section_map,
10425         Output_section::Relaxation_map): New types.
10426         (Output_section::relax_input_section): Rename method to
10427         Output_section::convert_input_sections_to_relaxed_sections and change
10428         interface to take a vector of relaxed section pointers.
10429         (Output_section::find_merge_section,
10430         Output_section::find_relaxed_input_section,
10431         Output_section::build_relaxation_map,
10432         Output_section::convert_input_sections_in_list_to_relaxed_sections):
10433         New method declarations.
10434         (Output_section::merge_section_map_
10435         Output_section::merge_section_by_properties_map_,
10436         Output_section::relaxed_input_section_map_,
10437         Output_section::is_relaxed_input_section_map_valid_,
10438         Output_section::generate_code_fills_at_write_): New data members.
10439         * script-sections.cc
10440         (Output_section_element_input::set_section_addresses): Call
10441         current_data_size and addralign methods of relaxed input sections.
10442         (Orphan_output_section::set_section_addresses): Call current_data_size
10443         and addralign methods of relaxed input sections.
10444         * symtab.cc (Symbol_table::compute_final_value): Extract template
10445         from the body of Symbol_table::sized_finalize_symbol.
10446         (Symbol_table::sized_finalized_symbol): Call
10447         Symbol_table::compute_final_value.
10448         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
10449         (Symbol_table::compute_final_value): New templated method declaration.
10450         * target.cc (Target::do_make_output_section): New method defintion.
10451         * target.h (Target::make_output_section): New method declaration.
10452         (Target::relax): Add more parameters for input objects, symbol table
10453         and layout.  Adjust call to do_relax.
10454         (Target::do_make_output_section): New method declaration.
10455         (Target::do_relax): Add parameters for input objects, symbol table
10456         and layout.
10457
10458 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10459
10460         * pread.c: Include stdio.h.
10461
10462 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10463
10464         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
10465         defined.
10466
10467 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10468
10469         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
10470         Change read_shndx type to unsigned int.
10471         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
10472         int.
10473         (Sized_dwarf_line_info::read_line_mappings): Likewise.
10474         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
10475         Change read_shndx type to unsigned int.
10476         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
10477         int.
10478         (Sized_dwarf_line_info::read_line_mappings): Likewise.
10479         * layout.cc (Layout::create_symtab_sections): Cast the result of
10480         local_symcount * symsize to off_t in the gold_assert.
10481
10482 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10483
10484         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
10485         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
10486         R_ARM_BASE_ABS.
10487         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
10488         (Arm_relocate_functions::thm_abs5): New function.
10489         (Arm_relocate_functions::abs12): New function.
10490         (Arm_relocate_functions::abs16): New function.
10491         (Arm_relocate_functions::base_abs): New function.
10492         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
10493         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
10494         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
10495         R_ARM_BASE_ABS.
10496         (Scan::global): Likewise.
10497         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
10498         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
10499         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
10500         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
10501         R_ARM_BASE_ABS.
10502
10503 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10504
10505         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
10506         (Arm_relocate_functions::movt_prel): New function.
10507         (Arm_relocate_functions::thm_movw_prel_nc): New function.
10508         (Arm_relocate_functions::thm_movt_prel): New function.
10509         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
10510         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
10511         (Scan::global, Relocate::relocate): Likewise.
10512         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10513
10514 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
10515
10516         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
10517         Incremental_checker.
10518         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
10519         unsigned int.
10520         (class Incremental_inputs_header): New class.
10521         (Incremental_inputs_header_writer): Edit comment.
10522         (Incremental_inputs_entry): New class.
10523         (Incremental_inputs_entry_writer): Edit comment.
10524         (Sized_incremental_binary::do_find_incremental_inputs_section):
10525         Add *strtab_shndx parameter, fill it.
10526         (Sized_incremental_binary::do_check_inputs): New method.
10527         (Incremental_checker::can_incrementally_link_output_file): Use
10528         Sized_incremental_binary::check_inputs.
10529         (Incremental_inputs::report_command_line): Save command line in
10530         command_line_.
10531         * incremental.h:
10532         (Incremental_binary::find_incremental_inputs_section): New
10533         method.
10534         (Incremental_binary::do_find_incremental_inputs_section): Add
10535         strtab_shndx parameter.
10536         (Incremental_binary::do_check_inputs): New pure virtual method.
10537         (Sized_incremental_binary::do_check_inputs): Declare.
10538         (Incremental_checker::Incremental_checker): Add incremental_inputs
10539         parameter, use it to initialize incremental_inputs_.
10540         (Incremental_checker::incremental_inputs_): New field.
10541         (Incremental_checker::command_line): New method.
10542         (Incremental_checker::inputs): New method.
10543         (Incremental_checker::command_line_): New field.
10544
10545 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
10546
10547         * incremental.cc: Include <cstdarg> and "target-select.h".
10548         (vexplain_no_incremental): New function.
10549         (explain_no_incremental): New function.
10550         (Incremental_binary::error): New method.
10551         (Sized_incremental_binary::do_find_incremental_inputs_section): New
10552         method.
10553         (make_sized_incremental_binary): New function.
10554         (open_incremental_binary): New function.
10555         (can_incrementally_link_file): Add checks if output is ELF and has
10556         inputs section.
10557         * incremental.h: Include "elfcpp_file.h" and "output.h".
10558         (Incremental_binary): New class.
10559         (Sized_incremental_binary): New class.
10560         (open_incremental_binary): Declare.
10561         * object.cc (is_elf_object): Use
10562         elfcpp::Elf_recognizer::is_elf_file.
10563         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
10564         * output.h (Output_file::filesize): New method.
10565
10566 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10567
10568         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
10569         New function.
10570         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
10571         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
10572         function.
10573         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
10574         function.
10575         (Arm_relocate_functions::movw_abs_nc): New function.
10576         (Arm_relocate_functions::movt_abs): New function.
10577         (Arm_relocate_functions::thm_movw_abs_nc): New function.
10578         (Arm_relocate_functions::thm_movt_abs): New function.
10579         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
10580         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
10581         (Scan::global): Likewise.
10582         (Relocate::relocate): Likewise.
10583         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10584
10585 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10586
10587         * arm.cc (Arm_relocate_functions::got_prel) New function.
10588         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
10589         (Relocate::relocate): Likewise.
10590         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10591
10592 2009-10-06  Ian Lance Taylor  <iant@google.com>
10593
10594         * options.h (class General_options): Define
10595         split_stack_adjust_size parameter.
10596         * object.h (class Object): Add uses_split_stack_ and
10597         has_no_split_stack_ fields.  Add uses_split_stack and
10598         has_no_split_stack accessor functions.  Declare
10599         handle_split_stack_section.
10600         (class Reloc_symbol_changes): Define.
10601         (class Sized_relobj): Define Function_offsets.  Declare
10602         split_stack_adjust, split_stack_adjust_reltype, and
10603         find_functions.
10604         * object.cc (Object::handle_split_stack_section): New function.
10605         (Sized_relobj::do_layout): Call handle_split_stack_section.
10606         * dynobj.cc (Sized_dynobj::do_layout): Call
10607         handle_split_stack_section.
10608         * reloc.cc (Sized_relobj::relocate_sections): Call
10609         split_stack_adjust for executable sections in split_stack
10610         objects.  Pass reloc_map to relocate_section.
10611         (Sized_relobj::split_stack_adjust): New function.
10612         (Sized_relobj::split_stack_adjust_reltype): New function.
10613         (Sized_relobj::find_functions): New function.
10614         * target-reloc.h: Include "object.h".
10615         (relocate_section): Add reloc_symbol_changes parameter.  Change
10616         all callers.
10617         * target.h (class Target): Add calls_non_split method.  Declare
10618         do_calls_non_split virtual method.  Declare match_view and
10619         set_view_to_nop.
10620         * target.cc: Include "elfcpp.h".
10621         (Target::do_calls_non_split): New function.
10622         (Target::match_view): New function.
10623         (Target::set_view_to_nop): New function.
10624         * gold.cc (queue_middle_tasks): Give an error if mixing
10625         split-stack and non-split-stack objects with -r.
10626         * i386.cc (Target_i386::relocate_section): Add
10627         reloc_symbol_changes parameter.
10628         (Target_i386::do_calls_non_split): New function.
10629         * x86_64.cc (Target_x86_64::relocate_section): Add
10630         reloc_symbol_changes parameter.
10631         (Target_x86_64::do_calls_non_split): New function.
10632         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
10633         parameter.
10634         * powerpc.cc (Target_powerpc::relocate_section): Add
10635         reloc_symbol_changes parameter.
10636         * sparc.cc (Target_sparc::relocate_section): Add
10637         reloc_symbol_changes parameter.
10638         * configure.ac: Call AM_CONDITIONAL for the default target.
10639         * configure: Rebuild.
10640         * testsuite/Makefile.am (TEST_AS): New variable.
10641         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
10642         (check_DATA): Add split_i386 and split_x86_64 files.
10643         (SPLIT_DEFSYMS): Define.
10644         (split_i386_[1234n].o): New targets.
10645         (split_i386_[124]): New targets.
10646         (split_i386_[1234r].stdout): New targets.
10647         (split_x86_64_[1234n].o): New targets.
10648         (split_x86_64_[124]): New targets.
10649         (split_x86_64_[1234r].stdout): New targets.
10650         (MOSTLYCLEANFILES): Add new executables.
10651         * testsuite/split_i386.sh: New file.
10652         * testsuite/split_x86_64.sh: New file.
10653         * testsuite/split_i386_1.s: New file.
10654         * testsuite/split_i386_2.s: New file.
10655         * testsuite/split_i386_3.s: New file.
10656         * testsuite/split_i386_4.s: New file.
10657         * testsuite/split_i386_n.s: New file.
10658         * testsuite/split_x86_64_1.s: New file.
10659         * testsuite/split_x86_64_2.s: New file.
10660         * testsuite/split_x86_64_3.s: New file.
10661         * testsuite/split_x86_64_4.s: New file.
10662         * testsuite/split_x86_64_n.s: New file.
10663         * testsuite/testfile.cc (Target_test): Update relocation_section
10664         function.
10665         * testsuite/Makefile.in: Rebuild.
10666
10667 2009-10-06  Ian Lance Taylor  <iant@google.com>
10668
10669         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
10670         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
10671         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
10672         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
10673         the address on ldo_addrs_.
10674         (Target_i386::Relocate::fix_up_ldo): New function.
10675
10676 2009-10-06   Rafael Espindola  <espindola@google.com>
10677
10678         * plugin.cc (add_input_library): New.
10679         (Plugin::load): Add add_input_library to tv.
10680         (Plugin_manager::add_input_file): Add the is_lib argument.
10681         (add_input_file): Update call to Plugin_manager::add_input_file.
10682         (add_input_library): New.
10683         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
10684
10685 2009-09-30  Doug Kwan  <dougkwan@google.com>
10686
10687         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
10688         symbol and call Symbol::may_need_copy_reloc to determine if
10689         a copy reloc is needed.
10690         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
10691         nocopyreloc is given in command line.
10692         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
10693         given in command line.
10694         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
10695         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
10696         of the removed Target_i386::may_need_copy_reloc.
10697         * options.h (copyreloc): New option with default value false.
10698         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10699         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
10700         instead of the removed Target_powerpc::may_need_copy_reloc.
10701         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10702         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
10703         instead of the removed Target_sparc::may_need_copy_reloc.
10704         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
10705         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
10706         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
10707         instead of the removed Target_x86_64::may_need_copy_reloc.
10708
10709 2009-09-30  Ian Lance Taylor  <iant@google.com>
10710
10711         * object.h (class Object): Remove target_ field, and target,
10712         sized_target, and set_target methods.
10713         (Object::sized_target): Remove.
10714         (class Sized_relobj): Update declarations.  Remove sized_target.
10715         * object.cc (Sized_relobj::setup): Remove target parameter.
10716         Change all callers.
10717         (Input_objects::add_object): Don't do anything with the target.
10718         (make_elf_sized_object): Add punconfigured parameter.  Change all
10719         callers.  Set or test parameter target.
10720         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
10721         Change all callers.
10722         * parameters.cc (Parameters::set_target): Change parameter type to
10723         be non-const.
10724         (Parameters::default_target): Remove.
10725         (set_parameters_target): Change parameter type to be non-const.
10726         (parameters_force_valid_target): New function.
10727         (parameters_clear_target): New function.
10728         * parameters.h (class Parameters): Update declarations.  Remove
10729         default_target method.  Add sized_target and clear_target
10730         methods.  Change target_ to be non-const.
10731         (set_parameters_target): Update declaration.
10732         (parameters_force_valid_target): Declare.
10733         (parameters_clear_target): Declare.
10734         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
10735         as NULL if we aren't searching.
10736         (Add_symbols::run): Don't check for compatible target.
10737         * fileread.cc (Input_file::open_binary): Call
10738         parameters_force_valid_target.
10739         * gold.cc (queue_middle_tasks): Likewise.
10740         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
10741         set_target on object.
10742         * dynobj.h (class Sized_dynobj): Update declarations.
10743         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
10744         make_elf_object returns NULL.
10745         (Archive::include_member): Don't check whether object target is
10746         compatible.
10747         * output.cc (Output_section::add_input_section): Get target from
10748         parameters.
10749         (Output_section::relax_input_section): Likewise.
10750         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
10751         parameters.
10752         (Sized_relobj::do_scan_relocs): Likewise.
10753         (Sized_relobj::relocate_sections): Likewise.
10754         * resolve.cc (Symbol_table::resolve): Likewise.
10755         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
10756         parameter.  Change all callers.
10757         (Symbol_table::add_from_object): Get target from parameters.
10758         (Symbol_table::add_from_relobj): Don't check object target.
10759         (Symbol_table::add_from_dynobj): Likewise.
10760         (Symbol_table::define_special_symbol): Get target from
10761         parameters.
10762         * symtab.h (class Symbol_table): Update declaration.
10763         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
10764         parameter.  Change all callers.  Clear parameter target.
10765         (Binary_test): Test target here.
10766         * testsuite/object_unittest.cc (gold_testsuite): Remove
10767         target_test_pointer parameter.  Change all callers.
10768         (Object_test): Test target here.
10769
10770 2009-09-26  Ian Lance Taylor  <iant@google.com>
10771
10772         * testsuite/initpri1.c: Don't try to use constructor priorities if
10773         compiling with gcc before 4.3.
10774
10775 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
10776
10777         * testsuite/retain_symbols_file_test.sh (check_present): Change
10778         output file name to retain_symbols_file_test.stdout.
10779         (check_absent): Likewise.
10780
10781 2009-09-18  Craig Silverstein  <csilvers@google.com>
10782
10783         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
10784         * options.cc: Include <cerrno> and <fstream>.
10785         (General_options::finalize): Parse -retain-symbols-file tag.
10786         * options.h: New flag.
10787         (General_options): New method should_retain_symbol, new
10788         variable symbols_to_retain.
10789         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
10790         should_retain_symbol map.
10791         * testsuite/Makefile.am (retain_symbols_file_test): New test.
10792         * testsuite/Makefile.in: Regenerate.
10793         * testsuite/retain_symbols_file_test.sh: New file.
10794
10795 2009-09-18  Nick Clifton  <nickc@redhat.com>
10796
10797         * po/es.po: Updated Spanish translation.
10798
10799 2009-09-17  Doug Kwan  <dougkwan@google.com>
10800
10801         * debug.h (DEBUG_RELAXATION): New constant.
10802         (DEBUG_ALL): Add DEBUG_RELAXATION.
10803         (debug_string_to_enum): Add relaxation debug option.
10804         * layout.cc
10805         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
10806         Layout::Relaxation_debug_check::read_sections,
10807         Layout::Relaxation_debug_check::read_sections): New method definitions.
10808         (Layout::Layout): Initialize data members
10809         record_output_section_data_from_scrips_,
10810         script_output_section_data_list_ and relaxation_debug_check_.
10811         (Layout::save_segments, Layout::restore_segments,
10812         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10813         Layout::relaxation_loop_body): New method definitions.
10814         (Layout::finalize): Support relaxation.  Move section layout code to
10815         Layout::relaxation_loop_body.
10816         (Layout::set_asection_address_from_script): Move code for orphan
10817         section placement out.
10818         (Layout::place_orphan_sections_in_script): New method definition.
10819         * layout.h (Output_segment_headers, Output_file_header):
10820         New forward class declarations.
10821         (Layout::~Layout): Define.
10822         (Layout::new_output_section_data_from_script): New method definition.
10823         (Layout::place_orphan_sections_in_script): New method declaration.
10824         (Layout::Segment_states): New type declaration.
10825         (Layout::save_segments, Layout::restore_segments,
10826         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10827         Layout::relaxation_loop_body): New method declarations.
10828         (Layout::Output_section_data_list): New type declaration.
10829         (Layout::Relaxation_debug_check): New class definition.
10830         (Layout::record_output_section_data_from_script_,
10831         Layout::script_output_section_data_list_, Layout::segment_states_,
10832         Layout::relaxation_debug_check_): New data members.
10833         * output.cc: (Output_section_headers::do_size): New method definition.
10834         (Output_section_headers::Output_section_headers): Move size
10835         computation to Output_section_headers::do_size.
10836         (Output_segment_headers::do_size): New method definition.
10837         (Output_file_header::Output_file_header): Move size computation to
10838         Output_file_header::do_size and call it.
10839         (Output_file_header::do_size): New method definition.
10840         (Output_data_group::Output_data_group): Adjust call to
10841         Output_section_data.
10842         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
10843         (Output_symtab_xindex::do_write): Add array bound check.
10844         (Output_section::Input_section::print_to_mapfile): Handle
10845         RELAXED_INPUT_SECTION_CODE.
10846         (Output_section::Output_section): Initialize data member checkpoint_.
10847         (Output_section::~Output_section): Delete checkpoint object pointed
10848         by checkpoint_.
10849         (Output_section::add_input_section): Always add an Input_section if
10850         relaxing.
10851         (Output_section::add_merge_input_section): Add assert.
10852         (Output_section::relax_input_section): New method definition.
10853         (Output_section::set_final_data_size): Set load address to zero for
10854         an unallocated section.
10855         (Output_section::do_address_and_file_offset_have_reset_values):
10856         New method definition.
10857         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
10858         Handle relaxed input section.
10859         (Output_section::sort_attached_input_sections): Checkpoint input
10860         section list lazily.
10861         (Output_section::get_input_sections): Change type of input_sections to
10862         list of Simple_input_section pointers.  Checkpoint input section list
10863         lazily.  Also handle relaxed input sections.
10864         (Output_section::add_input_section_for_script): Take a reference to
10865         a Simple_input_section object instead of Relobj pointer and section
10866         index as parameter.  Handle relaxed input sections.
10867         (Output_section::save_states, Output_section::restore_states): New
10868         method definitions.
10869         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
10870         (Output_data::is_data_size_fixed): New method definition.
10871         (Output_data::reset_addresss_and_file_offset): Do not reset data size
10872         if it is fixed.
10873         (Output_data::address_and_file_offset_have_reset_values): New method
10874         definition.
10875         (Output_data::do_address_and_file_offset_have_reset_values): New method
10876         definition.
10877         (Output_data::set_data_size): Check that data size is not fixed.
10878         (Output_data::fix_data_size): New method definition.
10879         (Output_data::is_data_size_fixed_): New data member.
10880         (Output_section_headers::set_final_data_size): New method definition.
10881         (Output_section_headers::do_size): New method declaration.
10882         (Output_segment_headers::set_final_data_size): New method definition.
10883         (Output_segment_headers::do_size): New method declaration.
10884         (Output_file_header::set_final_data_size)::New method definition.
10885         (Output_file_header::do_size)::New method declaration.
10886         (Output_section_data::Output_section_data): Add new parameter
10887         is_data_size_fixed and use it to fix data size.
10888         (Output_data_const::Output_data_const): Adjust call to base class
10889         constructor and fix data size.
10890         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
10891         base class constructor and fix data size.
10892         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
10893         base class constructor and fix data size.
10894         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
10895         class constructor and fix data size.
10896         (Output_data_group::set_final_data_size): New method definition.
10897         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
10898         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
10899         class constructor and fix data size.
10900         (Output_relaxed_input_section): New class definition.
10901         (Output_section::Simple_input_section): New class definition.
10902         (Output_section::get_input_sections): Adjust parameter list.
10903         (Output_section::add_input_section_for_script): Same.
10904         (Output_section::save_states, Output_section::restore_states,
10905         Output_section::do_address_and_file_offset_have_reset_values,
10906         (Output_section::Input_section::Input_section): Handle
10907         RELAXED_INPUT_SECTION_CODE.  Add new overload for
10908         Output_relaxed_input_section.
10909         (Output_section::Input_section::is_input_section,
10910         Output_section::Input_section::set_output_section): Handle relaxed
10911         input section.
10912         (Output_section::Input_section::is_relaxed_input_section,
10913         Output_section::Input_section::output_section_data,
10914         Output_section::Input_section::relaxed_input_section): New method
10915         definitions.
10916         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
10917         value.
10918         (Output_section::Input_section::u1_): Update comments.
10919         (Output_section::Input_section::u2_): Add new union member poris.
10920         (Output_section::Checkpoint_output_section): New classs definition.
10921         (Output_section::relax_input_section): New method declaration.
10922         (Output_section::checkpoint_): New data member.
10923         (Output_segment): Update comments.
10924         (Output_segment::Output_segment): Un-privatize copy constructor.
10925         (Output_segment::operator=): Un-privatize.
10926         * script-sections.cc (Output_section_element::Input_section_list):
10927         Change element type to Output_section::Simple_input_section.
10928         (Output_section_element_dot_assignment::set_section_addresses):
10929         Register output section data for relaxation clean up.
10930         (Output_data_exression::Output_data_expression): Adjust call to base
10931         constructor to fix data size.
10932         (Output_section_element_data::set_section_addresses): Register
10933         Output_data_expression object for relaxation clean up.
10934         (struct Input_section_info): Replace Relobj pointer and section index
10935         pair with Output_section::Simple_input_section and Convert struct to a
10936         class.
10937         (Input_section_sorter::operator()): Adjust access to
10938         Input_section_info data member to use accessors.
10939         (Output_section_element_input::set_section_addresses): Use layout
10940         parameter.  Adjust code to use Output_section::Simple_input_section
10941         and Input_secction_info classes.  Register filler for relaxation
10942         clean up.
10943         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
10944         and section index pair with Output_section::Simple_input_section
10945         class.  Adjust code accordingly.
10946         (Phdrs_element::release_segment): New method definition.
10947         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
10948         segment list.
10949         (Script_sections::release_segments): New method definition.
10950         * gold/script-sections.h (Script_sections::release_segments): New
10951         method declaration.
10952         * gold/target.h (Target::may_relax, Target::relax,
10953         Target::do_may_relax, Target::do_relax): New method definitions.
10954
10955 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10956
10957         * arm.cc (has_signed_unsigned_overflow): New function.
10958         (Arm_relocate_functions::abs8): New function.
10959         (Target_arm::Scan::local): Handle R_ARM_ABS8.
10960         (Target_arm::Scan::global): Likewise.
10961         (Target_arm::relocate::relocate): Likewise.
10962         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10963         Likewise.
10964
10965 2009-09-16  Cary Coutant  <ccoutant@google.com>
10966
10967         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
10968         * testsuite/Makefile.in: Regenerate.
10969
10970 2009-09-11  Nick Clifton  <nickc@redhat.com>
10971
10972         * po/gold.pot: Updated by the Translation project.
10973
10974 2009-09-08  Cary Coutant  <ccoutant@google.com>
10975
10976         * output.cc (Output_file::open): Add execute permission to empty file.
10977         * testsuite/Makefile.am (permission_test): New test.
10978         * testsuite/Makefile.in: Regenerate.
10979
10980 2009-09-02  Ian Lance Taylor  <iant@google.com>
10981
10982         * output.cc (Output_file::resize): Call map_no_anonymous rather
10983         than map.
10984
10985 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
10986
10987         * gold.cc: Include "incremental.h".
10988         (queue_initial_tasks): Call Incremental_checker methods.
10989         * incremental.cc: Include "output.h".
10990         (Incremental_checker::can_incrementally_link_output_file): New
10991         method.
10992         * incremental.h (Incremental_checker): New class.
10993
10994         * output.cc (Output_file::open_for_modification): New method.
10995         (Output_file::map_anonymous): Changed return type to bool.  Record
10996         map in base_ field.
10997         (Output_file::map_no_anonymous): New method, broken out of map.
10998         (Output_file::map): Use map_no_anonymous and map_anonymous.
10999         * output.h (class Output_file): Update declarations.
11000
11001 2009-08-24  Cary Coutant  <ccoutant@google.com>
11002
11003         * options.h (Command_line::Pre_options): New class.
11004         (Command_line::pre_options): New member.
11005         * options.cc (gold::options::ready_to_register): New variable.
11006         (One_option::register_option): Do nothing if not registering options.
11007         Assert if same short option registered twice.
11008         (General_options::General_options): Turn off option registration when
11009         done constructing.
11010         (Command_line::Pre_options::Pre_options): New constructor.
11011
11012 2009-08-24  Cary Coutant  <ccoutant@google.com>
11013
11014         * options.h (General_options::no_keep_memory): Remove incorrect
11015         short option.
11016
11017 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11018
11019         * Makefile.am (am__skiplex, am__skipyacc): New.
11020         * Makefile.in: Regenerate.
11021
11022 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11023
11024         * Makefile.am (AM_CPPFLAGS): Renamed from ...
11025         (INCLUDES): ... this.
11026         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
11027         (AM_CPPFLAGS): Renamed from ...
11028         (INCLUDE): ... this.
11029         * Makefile.in, testsuite/Makefile.in: Regenerate.
11030
11031         * Makefile.in: Regenerate.
11032         * aclocal.m4: Likewise.
11033         * config.in: Likewise.
11034         * configure: Likewise.
11035         * testsuite/Makefile.in: Likewise.
11036
11037         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
11038         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
11039         * Makefile.in: Regenerate.
11040         * testsuite/Makefile.in: Regenerate.
11041
11042 2009-08-19  Cary Coutant  <ccoutant@google.com>
11043
11044         * resolve.cc (Symbol_table::resolve): Don't complain about defined
11045         symbols in shared libraries overridden by hidden or internal symbols
11046         in the main program.
11047
11048 2009-08-19  Chris Demetriou  <cgd@google.com>
11049
11050         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
11051         checking source file names in error messages.
11052
11053 2009-08-18  Doug Kwan  <dougkwan@google.com>
11054
11055         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
11056         an elcpp::Ehdr as parameter.  Adjust call to set_target.
11057         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
11058         an elfcpp::Ehdr as parameter.
11059         * object.cc (Object::set_target): Remove the version that looks up
11060         a target and sets it.
11061         (Sized_relobj::setup): Take a Target object instead of
11062         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
11063         (make_elf_sized_object): Find target and ask target to
11064         make an ELF object.
11065         * object.h: (Object::set_target): Remove the version that looks up
11066         a target and sets it.
11067         (Sized_relobj::setup): Take a Target object instead of
11068         an elfcpp:Ehdr as parameter.
11069         * target.cc: Include dynobj.h.
11070         (Target::do_make_elf_object_implementation): New.
11071         (Target::do_make_elf_object): New.
11072         * target.h (Target::make_elf_object): New template declaration.
11073         (Target::do_make_elf_object): New method declarations.
11074         (Target::do_make_elf_object_implementation): New template declaration.
11075
11076 2009-08-14  Ian Lance Taylor  <iant@google.com>
11077
11078         * gold.h (FUNCTION_NAME): Define.
11079         (gold_unreachable): Use FUNCTION_NAME.
11080
11081 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
11082
11083         * icf.cc (Icf::find_identical_sections): Issue a warning when a
11084         symbol in the --keep-unique list is not found.
11085
11086 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
11087
11088         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
11089         been maked as --keep-unique.
11090         (Icf::unfold_section): New function.
11091         * icf.h (Icf::unfold_section): New function.
11092         * options.h (General_options::keep_unique): New option.
11093         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
11094         * testsuite/Makefile.in: Regenerate.
11095         * testsuite/icf_keep_unique_test.sh: New file.
11096         * testsuite/icf_keep_unique_test.cc: New file.
11097
11098 2009-08-12  Cary Coutant  <ccoutant@google.com>
11099
11100         PR 10471
11101         * resolve.cc (Symbol_table::resolve): Check for references from
11102         dynamic objects to hidden and internal symbols.
11103         * testsuite/Makefile.am (hidden_test.sh): New test.
11104         * testsuite/Makefile.in: Regenerate.
11105         * testsuite/hidden_test.sh: New script.
11106         * testsuite/hidden_test_1.c: New test source.
11107         * testsuite/hidden_test_main.c: New test source.
11108
11109 2009-08-11  Doug Kwan  <dougkwan@google.com>
11110
11111         * arm.cc: Update comments.
11112         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
11113         segment to locate the .ARM.exidx section if present.
11114
11115 2009-08-09  Doug Kwan  <dougkwan@google.com>
11116
11117         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
11118         patch.
11119
11120 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
11121         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
11122         compiler warnings.
11123
11124 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
11125
11126         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
11127         valid tls_segment only for non-debug-section relocations.
11128         * testsuite/Makefile.am: Add gc_tls_test.
11129         * testsuite/Makefile.in: Regenerate.
11130         * testsuite/gc_tls_test.cc: New file.
11131         * testsuite/gc_tls_test.sh: New file.
11132
11133 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
11134
11135         * icf.cc: New file.
11136         * icf.h: New file.
11137         * Makefile.am (CCFILES): Add icf.cc.
11138         (HFILES): Add icf.h
11139         * Makefile.in: Regenerate.
11140         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
11141         * gc.h (gc_process_relocs): Populate lists used by icf to contain
11142         section, symbol and addend information for the relocs.
11143         * gold.cc (queue_middle_tasks): Call identical code folding.
11144         * gold.h: Add defines for multimap.
11145         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
11146         to the call of finalize_local_symbols.
11147         * main.cc (main): Create object of class Icf.
11148         * object.cc (Sized_relobj::do_layout): Allow this function to be
11149         called twice during icf.
11150         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
11151         to sections marked as identical by icf.
11152         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
11153         when available.
11154         (Sized_relobj::do_section_entsize): New function.
11155         * object.h (Object::section_entsize): New function.
11156         (Object::do_section_entsize): New pure virtual function.
11157         (Relobj::finalize_local_symbols): Add new parameter.
11158         (Relobj::do_section_entsize): New function.
11159         * options.h (General_options::icf): New option.
11160         (General_options::icf_iterations): New option.
11161         (General_options::print_icf_sections): New option.
11162         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
11163         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
11164         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
11165         icf.
11166         * symtab.cc (Symbol_table::is_section_folded): New function.
11167         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
11168         to sections marked as identical by icf.
11169         * symtab.h (Symbol_table::set_icf): New function.
11170         (Symbol_table::icf): New function.
11171         (Symbol_table::is_section_folded): New function.
11172         (Symbol_table::icf_): New data member.
11173         * target-reloc.h (relocate_section): Ignore sections folded by icf.
11174         * testsuite/Makefile.am: Add commands to build icf_test.
11175         * testsuite/Makefile.in: Regenerate.
11176         * testsuite/icf_test.sh: New file.
11177         * testsuite/icf_test.cc: New file.
11178
11179 2009-07-24  Chris Demetriou  <cgd@google.com>
11180
11181         * layout.cc (is_compressible_debug_section): Fix incorrect
11182         comment about compressed section names.
11183
11184 2009-07-20  Ian Lance Taylor  <ian@airs.com>
11185
11186         PR 10419
11187         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
11188
11189 2009-07-16  Ian Lance Taylor  <iant@google.com>
11190
11191         PR 10400
11192         * layout.h: #include <map>.
11193         (class Kept_section): Change from struct to class.  Add accessors
11194         and setters.  Add section size to Comdat_group mapping.  Change
11195         Comdat_group to std::map.  Add is_comdat_ field.  Add
11196         linkonce_size field in union.
11197         (class Layout): Update declaration of find_or_add_kept_section.
11198         Don't declare find_kept_object.
11199         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
11200         parameter.  Add object, shndx, is_comdat, and is_group_name
11201         parameters.  Change all callers.  Adjust for new Kept_section.
11202         (Layout::find_kept_object): Remove.
11203         * object.cc (Sized_relobj::include_section_group): Update use of
11204         Kept_section.  Rename secnum to shndx.  Only record
11205         Kept_comdat_section if sections are the same size.
11206         (Sized_relobj::include_linkonce_section): Update use of
11207         Kept_section.  Only record Kept_comdat_section if sections are the
11208         same size.  Set size of linkonce section.
11209         (Sized_relobj::map_to_kept_section): Update call to
11210         get_kept_comdat_section.
11211         * object.h (class Sized_relobj): Rename fields in
11212         Kept_comdat_section to drop trailing underscores; change object
11213         field to Relobj*.  Change Kept_comdat_section_table to store
11214         struct rather than pointer.
11215         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
11216         Add kept_object and kept_shndx parameters.  Change all callers.
11217         (Sized_relobj::get_kept_comdat_section): Change return type to
11218         bool.  Add kept_object and kept_shndx parameters.  Change all
11219         callers.
11220         * plugin.cc (Pluginobj::include_comdat_group): Update call to
11221         Layout::find_or_add_kept_section.
11222
11223 2009-07-09  Ian Lance Taylor  <iant@google.com>
11224
11225         * merge.cc (Object_merge_map::initialize_input_to_output_map):
11226         Reserve space in the hash table.
11227
11228 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
11229
11230         * fileread.cc (File_read::get_mtime): New method.
11231         * fileread.h (Timespec): New structure.
11232         (File_read::get_mtime): New method.
11233         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
11234         Renamed from timestamp_nsec.
11235         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
11236         Elf_Xword.
11237         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
11238         timestamp_nsec.
11239         (Incremental_inputs::report_archive): Save mtime; style fix.
11240         (Incremental_inputs::report_obejct): Save mtime; style fix.
11241         (Incremental_inputs::report_script): Save mtime; style fix.
11242         (Incremental_inputs::finalize_inputs): Style fix.
11243         (Incremental_inputs::finalize): Style fix.
11244         (Incremental_inputs::create_input_section_data): Store inputs
11245         mtime.
11246         * incremental.h (Incremental_inputs::report_script): Add mtime
11247         argument.
11248         (Incremental_inputs::Input_info::Input_info): Intialize only one
11249         union member.
11250         (Incremental_inputs::Input_info::archive): Move to nameless
11251         union.
11252         (Incremental_inputs::Input_info::obejct): Move to nameless union.
11253         (Incremental_inputs::Input_info::script): Move to nameless union.
11254         (Incremental_inputs::mtime): New field.
11255         * script.cc (read_input_script): Pass file mtime to
11256         Incremental_input.
11257         * script.h (Script_info::inputs): Style fix.
11258
11259 2009-07-01  Ian Lance Taylor  <ian@airs.com>
11260
11261         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
11262         instead of 32.
11263
11264 2009-06-24  Ian Lance Taylor  <iant@google.com>
11265
11266         PR 10156
11267         * layout.cc (Layout::choose_output_section): If we find an
11268         existing section, update the flags.
11269         (Layout::create_notes): New function, broken out of
11270         Layout::finalize.
11271         (Layout::finalize): Don't create note sections.
11272         (Layout::create_note): Don't crash if linker script discards
11273         section.
11274         (Layout::create_gold_note): Likewise.
11275         (Layout::create_build_id): Likewise.  Don't set
11276         after_input_sections on the section.
11277         (Layout::create_executable_stack_info): Remove target parameter.
11278         Change caller.
11279         * layout.h (class Layout): Declare create_notes.  Update
11280         declaration of create_executable_stack_info.
11281         * gold.cc (queue_middle_tasks): Call create_notes.
11282         * output.cc (Output_section::update_flags_for_input_section): Move
11283         here from output.h.  If SHF_ALLOC flag is newly set, mark address
11284         invalid.
11285         * output.h (Output_data::mark_address_invalid): New function.
11286         (class Output_section): Only declare, not define,
11287         update_flags_for_input_section.  Remove set_flags.
11288
11289 2009-06-24  Ian Lance Taylor  <iant@google.com>
11290
11291         * script-sections.cc (Output_section_definition::
11292         set_section_addresses): Rename shadowing local load_address to
11293         laddr.
11294
11295 2009-06-24  Ian Lance Taylor  <iant@google.com>
11296
11297         PR 10244
11298         * reloc.cc (relocate_sections): Skip empty relocation sections.
11299
11300 2009-06-23  Ian Lance Taylor  <iant@google.com>
11301
11302         PR 10156
11303         * layout.cc (Layout::create_note): Use choose_output_section
11304         rather than make_output_section.
11305
11306 2009-06-23  Ian Lance Taylor  <iant@google.com>
11307
11308         PR 10237
11309         * options.cc (General_options::parse_V): Set printed_version_.
11310         (General_options::General_options): Initialize printed_version_.
11311         * options.h (class General_options): Add printed_version_ field.
11312         * gold.cc (queue_initial_tasks): If there are no input files,
11313         don't give a fatal error if we printed the version information.
11314         (queue_middle_tasks): If using -r with a shared object, give a
11315         fatal error rather than an ordinary error.
11316
11317 2009-06-23  Ian Lance Taylor  <iant@google.com>
11318
11319         PR 10219
11320         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
11321         (Layout::make_output_section): Set have_stabstr_section_ if we see
11322         a .stab*str section.
11323         (Layout::finalize): Call link_stabs_sections.
11324         (Layout::link_stabs_sections): New file.
11325         * layout.h (class Layout): Add have_stabstr_section_ field.
11326         Declare link_stabs_sections.
11327
11328 2009-06-23  Doug Kwan  <dougkwan@google.com>
11329
11330         * Makefile.am (libgold_a_LIBADD): New.
11331         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
11332         * Makefile.in: Regenerate.
11333         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
11334         * configure: Regenerate.
11335         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
11336         * fileread.cc: Include sys/state.h
11337         * gold.h: Declare memmem and strndup if found missing.
11338         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
11339
11340 2009-06-23  Ian Lance Taylor  <iant@google.com>
11341
11342         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
11343         * configure: Rebuild.
11344
11345 2009-06-23  Ian Lance Taylor  <iant@google.com>
11346
11347         PR 10147
11348         * object.cc (Object::section_contents): Don't try to get a view if
11349         the section has length zero.
11350         (Object::handle_gnu_warning_section): If the section is empty, use
11351         the name of the section as the warning.
11352
11353 2009-06-23  Ian Lance Taylor  <iant@google.com>
11354
11355         PR 10133
11356         * stringpool.h (class Stringpool_template): Add optimize_ field.
11357         (Stringpool_template::set_optimize): New function.
11358         * stringpool.cc (Stringpool_template::Stringpool_template):
11359         Initialize optimize_ field.
11360         (Stringpool_template::set_string_offsets): Test local optimize
11361         fild rather than parameter.
11362         * layout.cc (Layout::Layout): Call set_optimize on the section
11363         name stringpool.
11364
11365 2009-06-22  Ian Lance Taylor  <iant@google.com>
11366
11367         PR 10030
11368         * yyscript.y: Parse TARGET.
11369         * script.cc (script_set_target): New function.
11370         * script-c.h (script_set_target): Declare.
11371         * options.cc (General_options::string_to_object_format): Rename
11372         from string_to_object_format in anonymous namespace.  Change
11373         callers.
11374         * options.h (class General_options): Declare
11375         string_to_object_format.
11376
11377 2009-06-22  Ian Lance Taylor  <iant@google.com>
11378
11379         * script-sections.cc (Script_sections::create_segments): Don't put
11380         program headers in a PT_LOAD segment if -n or -N.
11381
11382 2009-06-22  Ian Lance Taylor  <iant@google.com>
11383
11384         PR 10141
11385         * options.h (class General_options): Add -z lazy and -z now.  Sort
11386         -z options into alphabetical order.
11387         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
11388
11389 2009-06-21  Ian Lance Taylor  <iant@google.com>
11390
11391         * layout.cc (Layout::make_output_section): Call
11392         Target::new_output_section.
11393         (Layout::attach_allocated_section_to_segment): Put large section
11394         sections in a separate load segment with the large segment flag
11395         set.
11396         (Layout::segment_precedes): Sort large data segments after other
11397         load segments.
11398         (align_file_offset): New static function.
11399         (Layout::set_segment_offsets): Use align_file_offset.
11400         * output.h (class Output_section): Add is_small_section_ and
11401         is_large_section_ fields.
11402         (Output_section::is_small_section): New function.
11403         (Output_section::set_is_small_section):  New function.
11404         (Output_section::is_large_section): New function.
11405         (Output_section::set_is_large_section): New function.
11406         (Output_section::is_large_data_section): New function.
11407         (class Output_segment): Add is_large_data_segment_ field.
11408         (Output_segment::is_large_data_segment): New function.
11409         (Output_segment::set_is_large_data_segment): New function.
11410         * output.cc (Output_section::Output_section): Initialize new
11411         fields.
11412         (Output_segment::Output_segment): Likewise.
11413         (Output_segment::add_output_section): Add assertion that large
11414         data sections always go in large data segments.  Force small data
11415         sections to the end of the list of data sections.  Force small BSS
11416         sections to the start of the list of BSS sections.  For large BSS
11417         sections to the end of the list of BSS sections.
11418         * symtab.h (class Symbol): Declare is_common_shndx.
11419         (Symbol::is_defined): Check Symbol::is_common_shndx.
11420         (Symbol::is_common): Likewise.
11421         (class Symbol_table): Define enum Commons_section_type.  Update
11422         declarations.  Add small_commons_ and large_commons_ fields.
11423         * symtab.cc (Symbol::is_common_shndx): New function.
11424         (Symbol_table::Symbol_table): Initialize new fields.
11425         (Symbol_table::add_from_object): Put small and large common
11426         symbols in the right list.
11427         (Symbol_table::sized_finalized_symbol): Check
11428         Symbol::is_common_shndx.
11429         (Symbol_table::sized_write_globals): Likewise.
11430         * common.cc (Symbol_table::do_allocate_commons): Allocate new
11431         common symbol lists.  Don't call do_allocate_commons_list if the
11432         list is empty.
11433         (Symbol_table::do_allocate_commons_list): Remove is_tls
11434         parameter.  Add comons_section_type parameter.  Change all
11435         callers.  Handle small and large common symbols.
11436         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
11437         Symbol::is_common_shndx.
11438         * resolve.cc (symbol_to_bits): Likewise.
11439         * target.h (Target::small_common_shndx): New function.
11440         (Target::small_common_section_flags): New function.
11441         (Target::large_common_shndx): New function.
11442         (Target::large_common_section_flags): New function.
11443         (Target::new_output_section): New function.
11444         (Target::Target_info): Add small_common_shndx, large_common_shndx,
11445         small_common_section_flags, and large_common_section_flags
11446         fields.
11447         (Target::do_new_output_section): New virtual function.
11448         * arm.cc (Target_arm::arm_info): Initialize new fields.
11449         * i386.cc (Target_i386::i386_info): Likewise.
11450         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
11451         Likewise.
11452         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
11453         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11454         (Target_x86_64::do_new_output_section): New function.
11455         * configure.ac: Define conditional MCMODEL_MEDIUM.
11456         * testsuite/Makefile.am (check_PROGRAMS): Add large.
11457         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
11458         (large_LDFLAGS): Define.
11459         * testsuite/large.c: New file.
11460         * testsuite/testfile.cc (Target_test::test_target_info):
11461         Initialize new fields.
11462         * configure, testsuite/Makefile.in: Rebuild.
11463
11464 2009-06-05  Doug Kwan  <dougkwan@google.com>
11465
11466         * Makefile.am (CCFILES): Add target.cc.
11467         * Makefile.in: Regenerate.
11468         * i386.cc (class Target_i386): Define new virtual method to
11469         override do_is_local_label_name in parent.
11470         * object.cc (Sized_relobj::do_count_local_symbols): Discard
11471         local symbols if --discard-locals or -X is given.
11472         * options.h (class General_options): Declare new options
11473         '--discard-locals' and '-X' for discarding locals.
11474         * target.h (class Target): Define new methods is_local_label_name.
11475         Declare new virtual method do_is_local_label_name.
11476         * target.cc: New file.
11477         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
11478         (check_SCRIPTS): Add discard_locals_test.sh.
11479         (check_DATA): Add discard_local_tests.syms.
11480         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
11481         (discard_local_tests.syms, discard_locals_test.o): New make rules.
11482         * testsuite/Makefile.in: Regenerate.
11483         * testsuite/discard_locals_test.c: New file.
11484         * testsuite/discard_locals_test.sh: Same.
11485
11486 2009-06-05  Doug Kwan  <dougkwan@google.com>
11487
11488         * object.cc (Sized_relobj::Sized_relobj): Initialize
11489         discarded_eh_frame_shndx_ to -1U.
11490         (Sized_relobj::do_layout): Record index of a discard .eh_frame
11491         section.
11492         (Sized_relobj::do_count_local_symbols): Skip local symbols in
11493         a discarded .eh_frame section.
11494         (Sized_relobj::do_finalize_local_symbols): Ditto.
11495         * object.h (class Sized_relobj): Declare new member
11496         discarded_eh_frame_shndx_.
11497         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
11498         (local_labels_test.o, local_labels_test): New rules.
11499         * testsuite/Makefile.in: Regenerate.
11500
11501 2009-06-04  Doug Kwan  <dougkwan@google.com>
11502
11503         * layout.cc (Layout::section_name_mapping): Add mapping for
11504         special ARM sections.
11505
11506 2009-06-03  Doug Kwan  <dougkwan@google.com>
11507
11508         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
11509         (utils::has_overflow): Same.
11510
11511 2009-06-03  Ian Lance Taylor  <iant@google.com>
11512
11513         * layout.cc (Layout::section_name_mapping): New array, replacing
11514         Layout::linkonce_mapping.
11515         (Layout::section_name_mapping_count): New variable, replacing
11516         Layout::linkonce_mapping_count.
11517         (Layout::linkonce_output_name): Remove.
11518         (Layout::output_section_name): Rewrite.
11519         * layout.h (class Layout): Rename Linkonce_mapping to
11520         Section_name_mapping, linkonce_mapping to section_name_mapping,
11521         linkonce_mapping_count to section_name_mapping_count.  Don't
11522         declare linkonce_output_name.
11523
11524 2009-06-03  Doug Kwan  <dougkwan@google.com>
11525
11526         * gold/arm.cc (namespace utils): New.
11527         (Target_arm::reloc_is_non_pic): Define new method.
11528         (class Arm_relocate_functions): New.
11529         (Target_arm::Relocate::relocate): Handle relocation types used by
11530         Android.
11531
11532 2009-06-03  Ian Lance Taylor  <iant@google.com>
11533
11534         * arm.cc (Target_arm::scan::global): Use || instead of |.
11535
11536 2009-06-02  Doug Kwan  <dougkwan@google.com>
11537
11538         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
11539         issued_non_pic_error_.
11540         (class Target_arm::Scan): Declare new method check_non_pic.
11541         Define new method symbol_needs_plt_entry.
11542         Declare new data member issued_non_pic_error_.
11543         (class Target_arm::Relocate): Declare new method
11544         should_apply_static_reloc.
11545         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
11546         (Target_arm::Scan::check_non_pic): Define new method.
11547         (Target_arm::Scan::local): Handle a small subset of reloc types used
11548         by Android.
11549         (Target_arm::Scan::local): Same.
11550         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
11551
11552 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
11553
11554         * incremental.cc (Incremental_inputs::report_command_line): Filter
11555         out --incremental-* options.
11556
11557 2009-05-29  Doug Kwan  <dougkwan@google.com>
11558
11559         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
11560         template class.
11561         (class Target_arm): Update comment.
11562         (Target_arm::Target_arm): Initialize new data members GOT_,
11563         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
11564         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
11565         and Target_arm::rel_dyn_section.
11566         Declare new_enum Target_arm::Got_type.
11567         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
11568         and DYNBSS_.
11569         Update commments for member do_dynsym_value.
11570         (Target_arm::got_size, Target_arm::plt_section,
11571         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
11572         new methods inside class defintion.
11573         (Target_arm::got_section): Define new method.
11574         (Target_arm::rel_dyn_section): Same.
11575         (Output_data_plt_arm): New template class.
11576         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
11577         (Output_data_plt_arm:do_adjust_output_section): Define new method.
11578         (Output_data_plt_arm::add_entry): Same.
11579         (Output_data_plt_arm::first_plt_entry): Define new
11580         static data member for PLT instruction template.
11581         (Output_data_plt_arm::plt_entry): Same.
11582         (Output_data_plt_arm::do_write): Define new method.
11583         (Target_arm::make_plt_entry): Same.
11584         (Target_arm::do_finalize_sections): Same.
11585         (Target_arm::do_dynsym_value): Same.
11586
11587 2009-05-28  Doug Kwan  <dougkwan@google.com>
11588
11589         * Makefile.am (TARGETSOURCES): Add arm.cc.
11590         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
11591         * Makefile.in: Regenerate.
11592         * arm.cc: New file.
11593         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
11594
11595 2009-05-26  Doug Kwan  <dougkwan@google.com>
11596
11597         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
11598         (General_options::check_excluded_libs): Strip off directories in
11599         archive name before matching like GNU ld does.
11600         * testsuite/Makefile.am (MOSTLYCLEANFILES,
11601         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
11602         (exclude_libs_test_LDFLAGS): Add linker option
11603         -Wl,--exclude-libs,libexclude_libs_test_3
11604         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
11605         an explicit archive without using -l.
11606         (alt/libexclude_libs_test_3.a): New make rule.
11607         * testsuite/Makefile.in: Regenerate.
11608         * testsuite/exclude_libs_test.c : Declare lib3_default().
11609         (main): Call it.
11610         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
11611         * exclude_libs_test_3.c: New file.
11612
11613 2009-05-26  Nick Clifton  <nickc@redhat.com>
11614
11615         * po/id.po: New Indonesian translation.
11616         * po/gold.pot: Updated template file.
11617
11618 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
11619
11620         * testsuite/Makefile.am: Add -ffunction-sections to compile
11621         gc_comdat_test files.  Add -Wl,--gc-sections to build
11622         gc_comdat_test.
11623         * testsuite/Makefile.in: Regenerate.
11624         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
11625
11626 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
11627
11628         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
11629         kept comdat section was garbage collected.
11630         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
11631         * testsuite/Makefile.in: Regenerate.
11632         * testsuite/gc_comdat_test.sh: New file.
11633         * testsuite/gc_comdat_test_1.cc: New file.
11634         * testsuite/gc_comdat_test_2.cc: New file.
11635
11636 2009-05-19  Doug Kwan  <dougkwan@google.com>
11637
11638         * archive.cc (Archive::Archive): Move constructor from archive.h
11639         to here.  Initialize no_export_.
11640         (Archive::get_elf_object_for_member): Set no_export flag of object.
11641         * archive.h (Archive::Archive): Move constructor body to
11642         archive.cc.
11643         (Archive::no_export): New method.
11644         (Archive::no_export_): New field.
11645         * object.h (Object::Object): Initialize no_export_ to false.
11646         (Object::no_export, Object::set_no_export): New methods.
11647         (Object::no_export_): New field.
11648         * options.cc (General_options::parse_exclude_libs): New method.
11649         (General_options::check_excluded_libs) Same.
11650         * options.h (exclude_libs): New option.
11651         (General_options::check_excluded_libs): New method declaration.
11652         (General_options::excluded_libs_): New field.
11653         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
11654         default or protected visibility if an object has no-export flag set.
11655         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
11656         (check_SCRIPTS): Add exclude_libs_test.sh.
11657         (check_DATA): Add exclude_libs_test.syms.
11658         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
11659         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
11660         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
11661         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
11662         (exclude_libs_test.syms, libexclude_libs_test_1.a,
11663         libexclude_libs_test_2.a): New rules.
11664         * testsuite/Makefile.in: Regenerate.
11665         * testsuite/exclude_libs_test.c: New file.
11666         * testsuite/exclude_libs_test.sh: Ditto.
11667         * testsuite/exclude_libs_test_1.c: Ditto.
11668         * testsuite/exclude_libs_test_2.c: Ditto.
11669
11670 2009-05-15  Ian Lance Taylor  <iant@google.com>
11671
11672         * configure.ac: Check for declarations for cases where libiberty.h
11673         checks HAVE_DECL_xxx.
11674         * configure, config.in: Rebuild.
11675
11676 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
11677
11678         * gold.h (Incremental_argument_list): Remove (invalid) forward
11679         declaration.
11680         * incremental.cc (Incremental_inputs::report_achive): New method.
11681         (Incremental_inputs::report_object): New method.
11682         (Incremental_inputs::report_script): New method.
11683         (Incremental_inputs::finalize_inputs): New method.
11684         (Incremental_inputs::finalize): Call finalize_inputs().
11685         (Incremental_inputs::sized_create_incremental_inputs_section_data):
11686         Create inputs entries.
11687         * incremental.h (Incremental_input_type): New enum.
11688         (Incremental_inputs::Incremental_input): Initialize new fields.
11689         (Incremental_inputs::report_inputs): New method.
11690         (Incremental_inputs::report_achive): New method.
11691         (Incremental_inputs::report_object): New method.
11692         (Incremental_inputs::report_script): New method.
11693         (Incremental_inputs::finalize_inputs): New method.
11694         (Incremental_inputs::Input_info): New struct.
11695         (Incremental_inputs::Input_info_map): New typedef.
11696         (Incremental_inputs::lock_): New field.
11697         (Incremental_inputs::Inputs_): New field.
11698         (Incremental_inputs::Inputs_map): New field.
11699         * main.cc (main): Call Incremental_input::report_inputs.
11700         * options.h (Input_argument_list): Typedef moved from
11701         Input_arguments.
11702         (Input_file_group::Files): Remove, use ::Input_argument_list.
11703         (Input_file_group::Input_argument_list): Remove, use
11704         ::Input_argument_list.
11705         * plugin.cc (Plugin_manager::add_input_file): Add error in
11706         incremental build.
11707         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
11708         functions.
11709         * script.cc (read_input_script): Call
11710         Incremental_input::report_script.
11711         * script.h (Script_info): New class.
11712
11713 2009-04-27  Ian Lance Taylor  <iant@google.com>
11714
11715         * x86_64.cc (do_adjust_output_section): Set entsize to
11716         plt_entry_size.
11717
11718 2009-04-23  Elliott Hughes  <enh@google.com>
11719
11720         * output.cc (Output_file::close): After short writes, continue
11721         writing from the correct offset in the buffer being written.
11722
11723 2009-04-23  Chris Demetriou  <cgd@google.com>
11724
11725         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
11726         * configure: Regenerate.
11727         * config.in: Regenerate.
11728         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
11729         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
11730
11731 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
11732
11733         * incremental.cc (Incremental_inputs_header_data): Renamed from
11734         Incremental_input_header_data.
11735         (Incremental_inputs_header_data::data_size): New field.
11736         (Incremental_inputs_header_data::put_input_file_count): Renamed
11737         from input_file_count.
11738         (Incremental_inputs_header_data::put_command_line_offset): Renamed
11739         from command_line_offset.
11740         (Incremental_inputs_header_data::put_reserved): Renamed from
11741         put_reserved.
11742         (Incremental_inputs_entry_data): Renamed from
11743         Incremental_input_entry_data.
11744         (Incremental_inputs_entry_data::data_size): New field.
11745         (Incremental_inputs::report_command_line): New method.
11746         (Incremental_inputs::finalize): New method.
11747         (Incremental_inputs::create_incremental_inputs_data): New method.
11748         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
11749         * incremental.h: New file.
11750         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
11751         (Layout::finalize): Create incremental inputs section in
11752         incremental builds.
11753         (Layout::create_incremental_info_sections): New method.
11754         * layout.h (Layout::incremental_inputs): New method.
11755         (Layout::create_incremental_info_sections): New method.
11756         (Layout::incremental_inputs_): New field.
11757         * main.cc (main): Notify Incremental_input of the command line.
11758
11759 2009-04-01  Ian Lance Taylor  <iant@google.com>
11760             Mikolaj Zalewski  <mikolajz@google.com>
11761
11762         * gold.h (reserve_unordered_map): Define, three versions, one for
11763         each version of Unordered_map.
11764         * layout.cc (Layout::Layout): Remove options parameter.  Add
11765         number_of_input_files parameter.  Don't initialize options_.
11766         Initialize number_of_input_files_ and resized_signatures_.  Move
11767         sections_are_attached_.
11768         (Layout::layout_group): Reserve space for group_signatures_.
11769         (Layout::find_or_add_kept_section): Change name parameter to be a
11770         reference.  Resize signatures_ map when it gets large enough.
11771         (Layout::layout_eh_frame): Use parameters->options() instead of
11772         this->options_.
11773         (Layout::make_output_section): Likewise.
11774         (Layout::attach_allocated_section_to_segment): Likewise.
11775         (Layout::finalize, Layout::create_executable_stack): Likewise.
11776         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
11777         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
11778         * layout.h (class Layout): Update declarations.  Remove options_
11779         field.  Add number_of_input_files_ and resized_signatures_
11780         fields.  Move sections_are_attached_ field.
11781         * main.cc (main): Pass number of input files to Layout
11782         constructor.  Don't pass options.
11783
11784 2009-03-30  Ian Lance Taylor  <iant@google.com>
11785
11786         * ffsll.c (ffsll): Correct implementation.
11787
11788 2009-03-27  Ian Lance Taylor  <iant@google.com>
11789
11790         * ffsll.c: New file.
11791         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
11792         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
11793         * ftruncate.c (ftruncate): Declare before definition.
11794         * mremap.c (mremap): Likewise.
11795         * pread.c (pread): Likewise.
11796         * configure, Makefile.in, config.in: Rebuild.
11797
11798         * mremap.c: New file.
11799         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
11800         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
11801         (mremap): Declare if HAVE_MREMAP is not defined.
11802         * configure, Makefile.in, config.in: Rebuild.
11803
11804 2009-03-27  Cary Coutant  <ccoutant@google.com>
11805
11806         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
11807         position independent.
11808         * sparc.cc (Target_sparc::check_non_pic): Likewise.
11809         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
11810
11811 2009-03-24  Cary Coutant  <ccoutant@google.com>
11812
11813         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
11814         an executable.
11815         (needs_dynamic_reloc): Likewise.
11816
11817 2009-03-24  Ian Lance Taylor  <iant@google.com>
11818
11819         * yyscript.y (file_cmd): Recognize EXTERN.
11820         (extern_name_list, extern_name_list_body): New nonterminals.
11821         * script.cc (script_add_extern): Define.
11822         * script-c.h (script_add_extern): Declare.
11823
11824 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
11825
11826         * object.cc (is_elf_object): Define.
11827         * object.h (is_elf_object): Declare.
11828         * archive.cc (Archive::get_elf_object_for_member): Call
11829         is_elf_object.
11830         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
11831
11832 2009-03-24  Elliott Hughes  <enh@google.com>
11833
11834         * output.cc (Output_file::map_anonymous): Define.
11835         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
11836         try an anonymous one.  Report the size if the mmap fails.
11837         * output.h (class Output_file): Declare map_anonymous.
11838
11839 2009-03-24  Ian Lance Taylor  <iant@google.com>
11840
11841         * target-select.cc (instantiate_target): Don't acquire the lock if
11842         the instantiated_target_ field has already been set.
11843
11844 2009-03-23  Ian Lance Taylor  <iant@google.com>
11845
11846         * gold-threads.h (class Initialize_lock): Define.
11847         * gold-threads.cc (class Initialize_lock_once): Define.
11848         (initialize_lock_control): New static variable.
11849         (initialize_lock_pointer): New static variable.
11850         (initialize_lock_once): New static function.
11851         (Initialize_lock::Initialize_lock): Define.
11852         (Initialize_lock::initialize): Define.
11853         * target-select.h: Include "gold-threads.h".
11854         (class Target_selector): Add lock_ and initialize_lock_ fields.
11855         Don't define instantiate_target, just declare it.
11856         * target-select.cc (Target_selector::Target_selector): Initialize
11857         new fields.
11858         (Target_selector::instantiate_target): Define.
11859         * descriptors.h: Include "gold-threads.h".
11860         (class Descriptors): Add initialize_lock_ field.
11861         * descriptors.cc (Descriptors::Descriptors): Initialize new
11862         field.
11863         (Descriptors::open): Use initialize_lock_ field
11864         * errors.h (class Errors): Add initialize_lock_ field.
11865         * errors.cc (Errors::Errors): Initialize new field.
11866         (Errors::initialize_lock): Use initialize_lock_ field.
11867         * powerpc.cc (class Target_selector_powerpc): Remove
11868         instantiated_target_ field.  In do_recognize call
11869         instantiate_target rather than do_instantiate_target.  In
11870         do_instantiate_target just allocate a new target.
11871         * sparc.cc (class Target_selector_sparc): Likewise.
11872
11873         * freebsd.h: New file.
11874         * i386.cc: Include "freebsd.h".
11875         (Target_i386): Derive from Target_freebsd rather than
11876         Sized_target.
11877         (Target_selector_i386): Derive from Target_selector_freebsd rather
11878         than Target_selector.
11879         * x86_64.cc: Include "freebsd.h".
11880         (Target_x86_64): Derive from Target_freebsd rather than
11881         Sized_target.
11882         (Target_selector_x86_64): Derive from Target_selector_freebsd
11883         rather than Target_selector.
11884         * target.h (class Target): Add adjust_elf_header and
11885         do_adjust_elf_header.
11886         * output.cc (Output_file_header:: do_sized_write): Call target
11887         adjust_elf_header routine.
11888         * configure.tgt: Set targ_osabi.
11889         * configure.ac: Define GOLD_DEFAULT_OSABI.
11890         * parameters.cc (Parameters::default_target): Pass
11891         GOLD_DEFAULT_OSABI to select_target.
11892         * target-select.h (class Target_selector): Make instantiate_target
11893         protected rather than private.
11894         * Makefile.am (HFILES): Add freebsd.h.
11895         * configure, Makefile.in, config.in: Rebuild.
11896
11897         * merge.cc (do_add_input_section): Correct pend value.  Change
11898         message about last entry not being null terminated from error to
11899         warning.
11900
11901 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
11902
11903         * incremental.cc: New file.
11904         * Makefile.am (CCFILES): Add incremental.cc.
11905         * Makefile.in: Rebuild.
11906
11907 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
11908
11909         * layout.cc (Layout::output_section_name): Preserve names
11910         of '.note.' sections.
11911
11912 2009-03-19  Ian Lance Taylor  <iant@google.com>
11913
11914         * descriptors.cc (Descriptors::open): Check that the options are
11915         valid before using them.
11916
11917 2009-03-18  Ian Lance Taylor  <iant@google.com>
11918
11919         * script-sections.h: Include <list>.
11920         (class Script_sections): Change Sections_elements from std::vector
11921         to std::list.  Typedef public Elements_iterator.  Add
11922         orphan_section_placement_, data_segment_align_start_, and
11923         saw_data_segment_align_ fields.  Remove data_segment_align_index_
11924         field.
11925         * script-sections.cc (class Orphan_section_placement): New class.
11926         (class Sections_element): Add virtual functions is_relro and
11927         orphan_section_init.  Remove virtual function place_orphan_here.
11928         (class Output_section_definition): Add is_relro and
11929         orphan_section_init.  Remove place_orphan_here.
11930         (class Orphan_output_section): Likewise.
11931         (Script_sections::Script_sections): Update for field changes.
11932         (Script_sections::data_segment_align): Set saw_data_segment_align_
11933         and data_segment_align_start_, not data_segment_align_index.
11934         (Script_sections::data_segment_relro_end): Check
11935         saw_data_segment_align_.  Use data_segment_align_start_ rather
11936         than data_segment_align_index_.
11937         (Script_sections::place_orphan): Rewrite to use
11938         Orphan_section_placement.
11939
11940 2009-03-17  Ian Lance Taylor  <iant@google.com>
11941
11942         * archive.cc (Archive::add_symbols): Check for a version attached
11943         to the symbol name in the archive map.
11944         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
11945         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
11946         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
11947         (ver_test_11.a): New target.
11948         * testsuite/Makefile.in: Rebuild.
11949
11950         * configure.ac: Check for chsize and posix_fallocate.  Replace
11951         ftruncate.
11952         * ftruncate.c: New file, from gnulib.
11953         * output.cc (posix_fallocate): Define dummy version if not
11954         HAVE_POSIX_FALLOCATE.
11955         (Output_file::map): Call posix_fallocate rather than lseek and
11956         write.
11957         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
11958         * configure, Makefile.in, config.in: Rebuild.
11959
11960 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
11961
11962         * layout.h (Layout::create_note): Add section_name parameter.
11963         * layout.cc (Layout::create_note): Likewise.
11964         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
11965
11966 2009-03-17  Ian Lance Taylor  <iant@google.com>
11967
11968         * descriptors.cc: Include "options.h".
11969         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
11970         (Descriptors::open): Always use O_CLOEXEC when opening a new
11971         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
11972         then set FD_CLOEXEC.
11973
11974         * sparc.cc (class Target_sparc): Add has_got_section.
11975         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
11976         make sure we have a GOT section.
11977
11978         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
11979         (Target_sparc::Scan::local): Likewise.
11980         (Target_sparc::Scan::global): Likewise.
11981         (Target_sparc::Relocate::relocate): Likewise.
11982         (Target_sparc::Relocate::relocate_tls): Likewise.
11983
11984         * symtab.cc (Symbol_table::define_default_version): New function,
11985         broken out of add_from_object.
11986         (Symbol_table::add_from_object): Call define_default_version.
11987         (Symbol_table::define_special_symbol): Add resolve_oldsym
11988         parameter.  Change all callers.  If the version for a symbol comes
11989         from a version script, resolve it with the symbol with the same
11990         name with no version.  Also add the symbol without a version if
11991         appropriate.
11992         (do_define_in_output_data): If resolving with oldsym, don't delete
11993         sym.
11994         (do_define_in_output_segment): Likewise.
11995         (do_define_as_constant): Likewise.
11996         * symtab.h (class Symbol_table): Update declarations.
11997
11998 2009-03-13  Ian Lance Taylor  <iant@google.com>
11999
12000         * readsyms.cc (Read_symbols::incompatible_warning): New function.
12001         (Read_symbols::requeue): New function.
12002         (Read_symbols::do_read_symbols): If make_elf_object fails because
12003         the target type is not configured, and the file was searched for,
12004         issue a warning and retry with the next directory.
12005         (Add_symbols::run): If the file has an incompatible format, and
12006         it was searched for, requeue the Read_symbols task.  On error,
12007         release the object.
12008         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
12009         dirindex parameter to constructor.  Change all callers.  Declare
12010         incompatible_warning and requeue.
12011         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
12012         input_argument_ and input_group_ fields.  Add them to
12013         constructor.  Change all callers.
12014         (class Read_script): Add dirindex_ field.  Add it to constructor.
12015         Change all callers.
12016         * archive.cc (Archive::setup): Remove input_objects parameter.
12017         Change all callers.
12018         (Archive::get_file_and_offset): Likewise.
12019         (Archive::read_all_symbols): Likewise.
12020         (Archive::read_symbols): Likewise.
12021         (Archive::get_elf_object_for_member): Remove input_objects
12022         parameter.  Add punconfigured parameter.  Change all callers.
12023         (Archive::add_symbols): Change return type to bool.  Check return
12024         value of include_member.
12025         (Archive::include_all_members): Likewise.
12026         (Archive::include_member): Change return type to bool.  Return
12027         false if first included object has incompatible target.  Set
12028         included_member_ field.
12029         (Add_archive_symbols::run): If add_symbols returns false, requeue
12030         Read_symbols task.
12031         * archive.h (class Archive): Add included_member_ field.
12032         Initialize it in constructor.  Add input_file and searched_for
12033         methods.  Update declarations.
12034         (class Add_archive_symbols): Add dirpath_, dirindex_, and
12035         input_argument_ fields.  Add them to constructor.  Change all
12036         callers.
12037         * script.cc: Include "target-select.h".
12038         (class Parser_closure): Add skip_on_incompatible_target_ and
12039         found_incompatible_target_ fields.  Add
12040         skip_on_incompatible_target parameter to constructor.  Change all
12041         callers.  Add methods skip_on_incompatible_target,
12042         clear_skip_on_incompatible_target, found_incompatible_target, and
12043         set_found_incompatible_target.
12044         (read_input_script): Add dirindex parameter.  Change all callers.
12045         If parser finds an incompatible target, requeue Read_symbols
12046         task.
12047         (script_set_symbol): Clear skip_on_incompatible_target in
12048         closure.
12049         (script_add_assertion, script_parse_option): Likewise.
12050         (script_start_sections, script_add_phdr): Likewise.
12051         (script_check_output_format): New function.
12052         * script.h (read_input_script): Update declaration.
12053         * script-c.h (script_check_output_format): Declare.
12054         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
12055         (ignore_cmd): Remove OUTPUT_FORMAT.
12056         * fileread.cc (Input_file::Input_file): Add explicit this.
12057         (Input_file::will_search_for): New function.
12058         (Input_file::open): Add pindex parameter.  Change all callers.
12059         * fileread.h (class Input_file): Add input_file_argument method.
12060         Declare will_search_for.  Update declarations.
12061         * object.cc (make_elf_object): Add punconfigured parameter.
12062         Change all callers.
12063         * object.h (class Object): Make input_file public.  Add
12064         searched_for method.
12065         (make_elf_object): Update declaration.
12066         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
12067         restart search.
12068         * dirsearch.h (class Dirsearch): Update declaration.
12069         * options.h (class General_options): Add --warn-search-mismatch.
12070         * parameters.cc (Parameters::is_compatible_target): New function.
12071         * parameters.h (class Parameters): Declare is_compatible_target.
12072         * workqueue.cc (Workqueue::add_blocker): New function.
12073         * workqueue.h (class Workqueue): Declare add_blocker.
12074
12075         * fileread.cc (Input_file::open): Remove options parameter.
12076         Change all callers.
12077         (Input_file::open_binary): Likewise.
12078         * script.cc (read_input_script): Likewise.
12079         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
12080         options parameter from constructor.  Change all callers.
12081         (class Read_script): Likewise.
12082         * fileread.h (class Input_file): Update declarations.
12083         * script.h (read_input_script): Update declaration.
12084
12085 2009-03-10  Nick Clifton  <nickc@redhat.com>
12086
12087         * po/es.po: New Spanish translation.
12088
12089 2009-03-06  Cary Coutant  <ccoutant@google.com>
12090
12091         * options.cc (parse_short_option): Keep dash_z from registering itself.
12092
12093 2009-03-03  Ian Lance Taylor  <iant@google.com>
12094
12095         PR 9918
12096         * target-reloc.h (relocate_section): Pass output_section to
12097         relocate.
12098         * i386.cc (Target_i386::should_apply_static_reloc): Add
12099         output_section parameter.  Change all callers.
12100         (Target_i386::Relocate::relocate): Add output_section parameter.
12101         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
12102         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
12103         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
12104         * testsuite/two_file_shared.sh: New script.
12105         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
12106         (check_DATA): Add two_file_shared.dbg.
12107         (two_file_shared.dbg): New target.
12108         * testsuite/Makefile.in: Rebuild.
12109
12110 2009-03-01  Ian Lance Taylor  <iant@google.com>
12111
12112         * configure.ac: Check for byteswap.h.
12113         * configure: Rebuild.
12114         * config.in: Rebuild.
12115
12116 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
12117
12118         * layout.cc (Layout::find_or_add_kept_section): New function.
12119         (Layout::add_comdat): Removed.
12120         * layout.h (struct Kept_section): Move out of class Layout.
12121         Remove trailing underscores from field names.  Add group_sections
12122         field.  Rename group_ field to is_group.  Change all uses.
12123         (class Layout): Declare find_or_add_kept_section, not add_comdat.
12124         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
12125         comdat_groups_ field.
12126         (Sized_relobj::include_section_group): Use
12127         find_or_add_kept_section and Kept_section::group_sections.
12128         (Sized_relobj::include_linkonce_section): Likewise.
12129         * object.cc (class Sized_relobj): Don't define Comdat_group or
12130         Comdat_group_table.  Remove find_comdat_group and
12131         add_comdat_group.  Remove comdat_groups_ field.
12132         * plugin.cc (include_comdat_group): Use
12133         Layout::find_or_add_kept_section.
12134
12135 2009-02-28  Ian Lance Taylor  <iant@google.com>
12136
12137         * README: --gc-sections and map files are now supported.  Document
12138         some build requirements.
12139
12140         PR 6992
12141         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
12142         relocatable link set the value of the section symbol to zero.
12143         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
12144         relocatable link don't include the section address in the local
12145         symbol value.
12146
12147 2009-02-27  Ian Lance Taylor  <iant@google.com>
12148
12149         PR 6811
12150         * options.h (class Search_directory): Add is_system_directory.
12151         (class General_options): Declare is_in_system_directory.
12152         * options.cc (get_relative_sysroot): Make static.
12153         (get_default_sysroot): Make static.
12154         (General_optoins::is_in_system_directory): New function.
12155         * fileread.cc (Input_file::is_in_system_directory): New function.
12156         * fileread.h (class Input_file): Declare is_in_system_directory.
12157         * object.h (class Object): Add is_in_system_directory.
12158         (class Input_objects): Remove system_library_directory_ field.
12159         * object.cc (Input_objects::add_object): Don't set
12160         system_library_directory_.
12161         (input_objects::found_in_system_library_directory): Remove.
12162         * symtab.cc (Symbol_table::write_globals): Remove input_objects
12163         parameter.  Change all callers.
12164         (Symbol_table::sized_write_globals): Likewise.
12165         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
12166         Call Object::is_in_system_directory.
12167         * symtab.h (class Symbol_table): Update declarations.
12168
12169         PR 5990
12170         * descriptors.h (Open_descriptor): Add is_on_stack field.
12171         * descriptors.cc (Descriptors::open): If the descriptor is on the
12172         top of the stack, remove it.  Initialize is_on_stack field.
12173         (Descriptors::release): Only add pod to stack if it is not on the
12174         stack already.
12175         (Descriptors::close_some_descriptor): Clear stack_next and
12176         is_on_stack fields.
12177
12178         PR 7091
12179         * output.cc (Output_section::find_starting_output_address): Rename
12180         from starting_output_address; add PADDR parameter; change return
12181         type.
12182         * output.h (class Output_section): Declare
12183         find_starting_output_address instead of starting_output_address.
12184         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
12185         section symbol for which we can't find a merge section.
12186
12187         PR 9836
12188         * symtab.cc (Symbol_table::add_from_object): If the visibility is
12189         hidden or internal, force the symbol to be local.
12190         * resolve.cc (Symbol::override_visibility): Define.
12191         (Symbol::override_base): Use override_visibility.
12192         (Symbol_table::resolve): Likewise.
12193         (Symbol::override_base_with_special): Likewise.
12194         (Symbol_table::override_with_special): If the visibility is hidden
12195         or internal, force the symbol to be local.
12196         * symtab.h (class Symbol): Add set_visibility and
12197         override_visibility.
12198         * testsuite/ver_test_1.sh: New file.
12199         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
12200         (check_DATA): Add ver_test_1.syms.
12201         (ver_test_1.syms): New target.
12202         * testsuite/Makefile.in: Rebuild.
12203
12204 2009-02-25  Cary Coutant  <ccoutant@google.com>
12205
12206         * layout.cc (Layout::choose_output_section): Don't rename sections
12207         when using a linker script that has a SECTIONS clause.
12208         * Makefile.in: Regenerate.
12209
12210         * testsuite/Makefile.am (script_test_5.sh): New test case.
12211         * testsuite/Makefile.in: Regenerate.
12212         * testsuite/script_test_5.cc: New file.
12213         * testsuite/script_test_5.sh: New file.
12214         * testsuite/script_test_5.t: New file.
12215
12216 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
12217
12218         * archive.cc (Archive::include_member): Update calls to add_symbols.
12219         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
12220         the Layout argument.
12221         * dynobj.h (do_add_symbols): Add the Layout argument.
12222         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
12223         Layout argument.
12224         * object.h (Object::add_symbols): Add the Layout argument.
12225         (Object::do_add_symbols): Add the Layout argument.
12226         (Sized_relobj::do_add_symbols): Add the Layout argument.
12227         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
12228         Unify the two versions.
12229         (Add_plugin_symbols): Remove.
12230         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
12231         (Sized_pluginobj::do_add_symbols): Unify the two versions.
12232         (Add_plugin_symbols): Remove.
12233         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
12234         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
12235         (Add_symbols::run): Make it work with Pulginobj.
12236
12237 2009-02-06  Ian Lance Taylor  <iant@google.com>
12238
12239         * object.cc (Sized_relobj::do_layout): Make info message start
12240         with lower case letter.
12241
12242 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
12243
12244         * binary.cc: Fix file comment.
12245
12246         * options.h (enum Incremental_disposition): Define.
12247         (class General_options): Add new options: --incremental,
12248         --incremental_changed, --incremental_unchanged,
12249         --incremental_unknown.  Add incremental_disposition_ and
12250         implicit_incremental_ fields.
12251         (General_options::incremental_disposition): New function.
12252         (class Position_dependent_options): Add incremental_disposition
12253         option.
12254         (Position_dependent_options::copy_from_options): Set incremental
12255         dispositions.
12256         * options.cc (General_options::parse_incremental_changed): New
12257         function.
12258         (General_options::parse_incremental_unchanged): New function.
12259         (General_options::parse_incremental_unknown): New function.
12260         (General_options::General_options): Initialize new fields
12261         incremental_disposition_ and implicit_incremental_.
12262         (General_options::finalize): Check for uasge of --incremental-*
12263         without --incremental.
12264
12265 2009-02-06  Chris Demetriou  <cgd@google.com>
12266
12267         * gold.h (gold_undefined_symbol): Change to take only a Symbol
12268         pointer and to report location as the file name associated with
12269         the symbol.
12270         (gold_undefined_symbol_at_location): New function to replace the
12271         old gold_undefined_symbol functionality.
12272         * target-reloc.h (relocate_section): Update to use
12273         gold_undefined_symbol_at_location.
12274         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12275         Call gold_undefined_symbol function rather than gold_error.
12276         * errors.h (Errors::undefined_symbol): Take location as a
12277         string, rather than calculating it from a relocation.
12278         * errors.cc (Errors::fatal): Print "fatal error:" before the
12279         formatted message.
12280         (Errors::error, Errors::error_at_location): Print "error: "
12281         before the formatted message.
12282         (Errors::undefined_symbol): Take location as a string, rather
12283         than calculating it from a relocation.
12284         (gold_undefined_symbol_at_location): New function akin to
12285         old gold_undefined_symbol, calculates location from relocation.
12286         (gold_undefined_symbol): Change to take only a Symbol pointer
12287         and to report location as the file name associated with the symbol.
12288         * testsuite/debug_msg.sh: Update for changed error messages.
12289         * testsuite/undef_symbol.sh: Likewise.
12290
12291 2009-02-04  Duncan Sands  <baldrick@free.fr>
12292
12293         PR 9812
12294         * reduced_debug_output.h
12295         (Output_reduced_debug_abbrev_section::failed): Use format for
12296         gold_warning.
12297         (Output_reduced_debug_info_section::faild): Likewise.
12298
12299 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
12300
12301         * script.cc (Lazy_demangler): New class.
12302         (Version_script_info::get_symbol_version_helper): Demangle a
12303         symbol only once.
12304
12305 2009-01-29  Cary Coutant  <ccoutant@google.com>
12306
12307         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
12308         to __tls_get_addr.
12309         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
12310
12311 2009-01-28  Ian Lance Taylor  <iant@google.com>
12312
12313         * version.cc (version_string): Bump to 1.9.
12314
12315         * gold.h: Include <cstring> and <stdint.h>.
12316         * version.cc: Include <cstdio>.
12317         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
12318         warning.
12319         * reduced_debug_output.cc (insert_into_vector): Rename from
12320         Insert_into_vector; change all callers.  Use Swap_unaligned to
12321         avoid aliasing issue; remove union since it is unnecessary.
12322
12323 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
12324
12325         * Makefile.am (CCFILES): Add gc.cc.
12326         (HFILES): Add gc.h.
12327         * Makefile.in: Regenerate.
12328         * gold.cc (Gc_runner): New class.
12329         (queue_initial_tasks): Call garbage collection related tasks
12330         when corresponding options are invoked.
12331         (queue_middle_gc_tasks): New function.
12332         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
12333         processed early before laying out sections during garbage collection.
12334         * gold.h (queue_middle_gc_tasks): New function.
12335         (is_prefix_of): Move from "layout.cc".
12336         * i386.cc (Target_i386::gc_process_relocs): New function.
12337         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
12338         * main.cc (main): Create object of class "Garbage_collection".
12339         * object.cc (Relobj::copy_symbols_data): New function.
12340         (Relobj::is_section_name_included): New function.
12341         (Sized_relobj::do_layout): Allow this function to be called twice
12342         during garbage collection and defer layout of section during the
12343         first call.
12344         * object.h (Relobj::get_symbols_data): New function.
12345         (Relobj::is_section_name_included): New function.
12346         (Relobj::copy_symbols_data): New function.
12347         (Relobj::set_symbols_data): New function.
12348         (Relobj::get_relocs_data): New function.
12349         (Relobj::set_relocs_data): New function.
12350         (Relobj::is_output_section_offset_invalid): New pure virtual function.
12351         (Relobj::gc_process_relocs): New function.
12352         (Relobj::do_gc_process_relocs): New pure virtual function.
12353         (Relobj::sd_): New data member.
12354         (Sized_relobj::is_output_section_offset_invalid): New function.
12355         (Sized_relobj::do_gc_process_relocs): New function.
12356         * options.h (General_options::gc_sections): Modify to not be a no-op.
12357         (General_options::print_gc_sections): New option.
12358         * plugin.cc (Plugin_finish::run): Remove function call to
12359         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
12360         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
12361         * reloc.cc (Read_relocs::run): Add task to process relocs and
12362         determine unreferenced sections when doing garbage collection.
12363         (Gc_process_relocs): New class.
12364         (Sized_relobj::do_gc_process_relocs): New function.
12365         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
12366         sections that are garbage collected.
12367         * reloc.h (Gc_process_relocs): New class.
12368         * sparc.cc (Target_sparc::gc_process_relocs): New function.
12369         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
12370         symbols whose corresponding sections are garbage collected.
12371         (Symbol_table::Symbol_table): Add new parameter for the garbage
12372         collection object.
12373         (Symbol_table::gc_mark_undef_symbols): New function.
12374         (Symbol_table::gc_mark_symbol_for_shlib): New function.
12375         (Symbol_table::gc_mark_dyn_syms): New function.
12376         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
12377         as garbage.
12378         (Symbol_table::add_from_object): Likewise.
12379         (Symbol_table::add_from_relobj): When building shared objects, do not
12380         treat externally visible symbols as garbage.
12381         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
12382         table information for static and relocatable links.
12383         * symtab.h (Symbol_table::set_gc): New function.
12384         (Symbol_table::gc): New function.
12385         (Symbol_table::gc_mark_undef_symbols): New function.
12386         (Symbol_table::gc_mark_symbol_for_shlib): New function.
12387         (Symbol_table::gc_mark_dyn_syms): New function.
12388         (Symbol_table::gc_): New data member.
12389         * target.h (Sized_target::gc_process_relocs): New pure virtual
12390         function.
12391         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
12392         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
12393
12394 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
12395
12396         * options.h (General_options::gc_sections): Define as a no-op for now.
12397         (General_options::no_keep_memory): Ditto.
12398         (General_options::Bshareable): Define.
12399         * options.cc (General_options::finalize): Honor -Bshareable.
12400
12401 2009-01-20  Andreas Schwab  <schwab@suse.de>
12402
12403         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
12404         read the value in the contents, since we don't use it.  Use the
12405         template endianness when writing.
12406         (Relocate::relocate): Use it for R_PPC_REL16_HA.
12407
12408 2009-01-19  Andreas Schwab  <schwab@suse.de>
12409
12410         * configure.tgt (powerpc64-*): Fix targ_obj.
12411
12412 2009-01-15  Ian Lance Taylor  <iant@google.com>
12413
12414         * object.cc (Sized_relobj::write_local_symbols): Don't write out
12415         local symbols when stripping all symbols.
12416
12417 2009-01-14  Cary Coutant  <ccoutant@google.com>
12418
12419         * output.cc (Output_reloc): Add explicit instantiations.
12420
12421 2009-01-14  Cary Coutant  <ccoutant@google.com>
12422
12423         * archive.cc (Archive::get_elf_object_for_member): Remove call
12424         to File_read::claim_for_plugin.
12425         * descriptors.cc (Descriptors::open): Remove reference to
12426         is_claimed.
12427         (Descriptors::claim_for_plugin): Remove.
12428         * descriptors.h (Descriptors::claim_for_plugin): Remove.
12429         (Descriptors::is_claimed): Remove.
12430         (claim_descriptor_for_plugin): Remove.
12431         * fileread.cc (File_read::claim_for_plugin): Remove.
12432         * fileread.h (File_read::claim_for_plugin): Remove.
12433         (File_read::descriptor): Reopen descriptor if necessary.
12434         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
12435         (Plugin_manager::all_symbols_read): Add task parameter. Change
12436         all callers.
12437         (Plugin_manager::get_input_file): New function.
12438         (Plugin_manager::release_input_file): New function.
12439         (Pluginobj::Pluginobj): Add filesize parameter and initialize
12440         corresponding data member.
12441         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
12442         and pass to base constructor. Change all callers.
12443         (get_input_file, release_input_file): New functions.
12444         (make_sized_plugin_object): Add filesize parameter. Change all callers.
12445         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
12446         (Plugin_manager::all_symbols_read): Add task parameter.
12447         (Plugin_manager::get_input_file): New function.
12448         (Plugin_manager::release_input_file): New function.
12449         (Plugin_manager::task_): New data member.
12450         (Pluginobj::Pluginobj): Add filesize parameter.
12451         (Pluginobj::filename): New function.
12452         (Pluginobj::descriptor): New function.
12453         (Pluginobj::filesize): New function.
12454         (Pluginobj::filesize_): New data member.
12455         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
12456         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
12457         File_read::claim_for_plugin; use Object::unlock to unlock the file.
12458
12459         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
12460         with archive libraries.
12461         * testsuite/Makefile.in: Regenerate.
12462         * testsuite/plugin_test.c (struct sym_info): New type.
12463         (get_input_file, release_input_file): New static variables.
12464         (onload): Capture new transfer vector entries.
12465         (claim_file_hook): Stop reading at end of file according to filesize.
12466         Factor out parsing of readelf output into separate function.
12467         (all_symbols_read_hook): Exercise get_input_file and release_input_file
12468         APIs and get the source file name from the symbol table.  Convert
12469         source file name to corresponding object file name.  Print info
12470         message when adding new input files.
12471         (parse_readelf_line): New function.
12472         * testsuite/plugin_test_1.sh: Add checks for new info messages.
12473         * testsuite/plugin_test_2.sh: Likewise.
12474         * testsuite/plugin_test_3.sh: Likewise.
12475         * testsuite/plugin_test_4.sh: New test case.
12476
12477 2009-01-07  Ian Lance Taylor  <iant@google.com>
12478
12479         * version.cc (version_string): Bump to 1.8.
12480
12481 2008-12-23  Cary Coutant  <ccoutant@google.com>
12482
12483         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
12484         * plugin.cc (Plugin_manager::finish): Rename as
12485         layout_deferred_objects.  Move cleanup to separate function.
12486         (Plugin_manager::cleanup): New function.
12487         (Plugin_finish::run): Call layout_deferred_objects and cleanup
12488         separately.
12489         * plugin.h (Plugin_manager::finish): Rename as
12490         layout_deferred_objects.
12491         (Plugin_manager::cleanup): New function.
12492         (Plugin_manager::cleanup_done): New field.
12493
12494 2008-12-23  Cary Coutant  <ccoutant@google.com>
12495
12496         * plugin.cc (is_visible_from_outside): New function.
12497         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
12498         so we don't return "IR only" status for exported symbols or -r links.
12499
12500         * testsuite/Makefile.am (plugin_test_3): New test case.
12501         * testsuite/Makefile.in: Regenerate.
12502         * testsuite/plugin_test_3.sh: New file.
12503
12504 2008-12-22  Cary Coutant  <ccoutant@google.com>
12505
12506         * object.cc (Sized_relobj::layout_section): New function.
12507         (Sized_relobj::do_layout): Defer layout of input sections until after
12508         plugin has provided replacement files.
12509         (Sized_relobj::do_layout_deferred_sections): New function.
12510         * object.h (Relobj::set_section_offset): Remove virtual keyword.
12511         (Relobj::layout_deferred_sections): New function.
12512         (Relobj::do_layout_deferred_sections): New function.
12513         (Sized_relobj::do_layout_deferred_sections): New function.
12514         (Sized_relobj::layout_section): New function.
12515         (Sized_relobj::Deferred_layout): New structure.
12516         (Sized_relobj::deferred_layout_): New field.
12517         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
12518         Change all callers.  Layout deferred sections.
12519         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
12520         references.
12521         (Plugin_hook::run): Move code from do_plugin_hook inline.
12522         (Plugin_hook::do_plugin_hook): Remove.
12523         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
12524         (Plugin_manager::finish): Renamed, was cleanup.
12525         (Plugin_manager::should_defer_layout): New function.
12526         (Plugin_manager::add_deferred_layout_object): New function.
12527         (Plugin_manager::Deferred_layout_list): New type.
12528         (Plugin_manager::deferred_layout_objects_): New field.
12529         (Plugin_hook::do_plugin_hook): Remove.
12530
12531 2008-12-17  Ian Lance Taylor  <iant@google.com>
12532
12533         * options.h (class General_options): Add --no case for
12534         --export-dynamic.
12535
12536 2008-12-16  Cary Coutant  <ccoutant@google.com>
12537
12538         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
12539         vector.
12540         (Plugin_manager::claim_file): Create plugin object even if
12541         plugin did not call the add_symbols callback.
12542         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
12543         asking for more symbols than were added.
12544         * testsuite/Makefile.am (plugin_test_1): Add test case with
12545         no global symbols.
12546         (empty.syms): New target.
12547         * testsuite/Makefile.in: Regenerate.
12548         * testsuite/plugin_test.c (claim_file_hook): Add new debug
12549         message. Don't call add_symbols if no globals.
12550         (all_symbols_read_hook): Don't provide replacement for empty
12551         claimed file.
12552
12553 2008-12-12  Ian Lance Taylor  <iant@google.com>
12554
12555         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
12556         r_type == 0 for a local symbol with r_sym == 0.
12557         (scan_relocatable_relocs): Pass r_sym to
12558         local_non_section_strategy.
12559         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
12560         r_sym parameter.
12561
12562         * configure.ac: Update test for TLS descriptors: they are
12563         supported as of glibc 2.9.
12564         * configure: Rebuild.
12565
12566 2008-12-11  Ian Lance Taylor  <iant@google.com>
12567
12568         PR 7091
12569         * target-reloc.h (Default_scan_relocatable_relocs): For each
12570         function, map r_type == 0 to RELOC_DISCARD.
12571
12572 2008-12-10  Cary Coutant  <ccoutant@google.com>
12573
12574         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
12575         object to override a kept COMDAT group from a plugin object.
12576
12577 2008-12-09  Ian Lance Taylor  <iant@google.com>
12578
12579         PR 7088
12580         * yyscript.y (file_cmd): Handle INPUT.
12581
12582         * testsuite/initpri1.c: Change all declarations to be full
12583         prototypes by adding void, to avoid compiler warnings.
12584
12585 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
12586
12587         * options.cc (General_options::parse_plugin_opt): New.
12588         (General_options::add_plugin): The argument now is just the filename.
12589         (General_options::add_plugin_option): New.
12590         * options.h (plugin_opt): New.
12591         (add_plugin): Change argument name.
12592         (add_plugin_option): New.
12593         * plugin.cc (Plugin::load): Don't parse the plugin option.
12594         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
12595         (Plugin::add_option): New.
12596         (Plugin::args_): Change type.
12597         (Plugin::filename_): New.
12598         (Plugin_manager::add_plugin_option): New.
12599         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
12600         * testsuite/Makefile.in: Regenerate.
12601
12602 2008-12-05  Cary Coutant  <ccoutant@google.com>
12603
12604         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
12605         Handle --strip-lto-sections option.
12606         * options.h (strip_lto_sections): New option.
12607
12608 2008-12-01  Cary Coutant  <ccoutant@google.com>
12609
12610         * plugin.cc (ld_plugin_message): Change format parameter to const.
12611         Fix mismatch between new[] and delete.
12612
12613 2008-11-14  Cary Coutant  <ccoutant@google.com>
12614
12615         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
12616         instead of -1U.
12617
12618 2008-11-05  Craig Silverstein  <csilvers@google.com>
12619
12620         * options.cc (General_options::parse_dynamic_list): New function.
12621         * options.h (General_options): New flags dynamic_list,
12622         dynamic_list_data, dynamic_list_cpp_new, and
12623         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
12624         (General_options::in_dynamic_list): New function.
12625         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
12626         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
12627         (Lex::can_continue_name): Likewise.
12628         (yylex): Likewise.
12629         (read_script_file): New parameter script_options.
12630         (read_dynamic_list): New function.
12631         (Script_options::define_dynamic_list): New function.
12632         (dynamic_list_keyword_parsecodes): New variable.
12633         (dynamic_list_keywords): New variable.
12634         * script.h (Script_options::define_dynamic_list): New function
12635         prototype.
12636         (read_dynamic_list): New function prototype.
12637         * symtab.cc (strprefix): New macro.
12638         (Symbol::should_add_dynsym_entry): Support dynamic_list,
12639         dynamic_list_data, dynamic_list_cpp_new, and
12640         dynamic_list_cpp_typeinfo.
12641         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
12642         (dynamic_list_expr): New rule.
12643         (dynamic_list_nodes): Likewise.
12644         (dynamic_list_node): Likewise.
12645         * testsuite/Makefile.am (dynamic_list): New test.
12646         * testsuite/Makefile.in: Regenerated.
12647         * testsuite/dynamic_list.t: New file.
12648         * testsuite/dynamic_list.sh: New file.
12649
12650 2008-11-05  Craig Silverstein  <csilvers@google.com>
12651
12652         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
12653         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
12654         (t11_last): Likewise.
12655         * testsuite/ver_test_6.c (main): Likewise.
12656
12657 2008-10-07  Cary Coutant  <ccoutant@google.com>
12658
12659         * options.c (General_options::finalize): Add check for -static and
12660         -shared.
12661         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
12662         is not empty.
12663
12664 2008-10-02  Cary Coutant  <ccoutant@google.com>
12665
12666         * plugin.cc (make_sized_plugin_object): Fix conditional
12667         compilation to work when not all targets are enabled.
12668
12669 2008-09-29  Cary Coutant  <ccoutant@google.com>
12670
12671         * archive.cc (Archive::get_file_and_offset): Use filename instead
12672         of name to get library path.
12673         (Archive::include_member): Unlock external member of a thin archive.
12674
12675         * testsuite/Makefile.am (TEST_AR): New variable.
12676         (thin_archive_test_1): New test.
12677         (thin_archive_test_2): New test.
12678         * testsuite/Makefile.in: Regenerate.
12679         * testsuite/thin_archive_main.cc: New file.
12680         * testsuite/thin_archive_test_1.cc: New file.
12681         * testsuite/thin_archive_test_2.cc: New file.
12682         * testsuite/thin_archive_test_3.cc: New file.
12683         * testsuite/thin_archive_test_4.cc: New file.
12684
12685 2008-09-29  Cary Coutant  <ccoutant@google.com>
12686
12687         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
12688         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
12689         instead of -1U.
12690         (Sized_relobj::do_finalize_local_symbols): Likewise.
12691         (Sized_relobj::map_to_kept_section): Likewise.
12692         * object.h (Sized_relobj::invalid_address): New constant.
12693         (Sized_relobj::do_output_section_offset): Check for invalid_address
12694         and return -1ULL.
12695         * output.cc (Output_reloc::local_section_offset): Use constant
12696         invalid_address instead of -1U.
12697         (Output_reloc::get_address): Likewise.
12698         (Output_section::output_address): Change -1U to -1ULL.
12699         * output.h (Output_reloc::invalid_address): New constant.
12700         * reloc.cc (Sized_relobj::write_sections): Use constant
12701         invalid_address instead of -1U.
12702         (Sized_relobj::relocate_sections): Likewise.
12703         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
12704         values for merge sections.
12705         * target-reloc.h (relocate_for_relocatable): Use constant
12706         invalid_address instead of -1U.
12707
12708 2008-09-19  Cary Coutant  <ccoutant@google.com>
12709
12710         Add plugin functionality for link-time optimization (LTO).
12711         * configure.ac (plugins): Add --enable-plugins option.
12712         * configure: Regenerate.
12713         * config.in: Regenerate.
12714         * Makefile.am (LIBDL): New variable.
12715         (CCFILES): Add plugin.cc.
12716         (HFILES): Add plugin.h.
12717         (ldadd_var): Add LIBDL.
12718         * Makefile.in: Regenerate.
12719
12720         * archive.cc: Include "plugin.h".
12721         (Archive::setup): Don't preread archive symbols when using a plugin.
12722         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
12723         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
12724         files.
12725         (Archive::include_member): Add symbols from plugin objects.
12726         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
12727         * descriptors.cc (Descriptors::open): Check for file descriptors
12728         abandoned by plugins.
12729         (Descriptors::claim_for_plugin): New function.
12730         * descriptors.h (Descriptors::claim_for_plugin): New function.
12731         (Open_descriptor::is_claimed): New field.
12732         (claim_descriptor_for_plugin): New function.
12733         * fileread.cc (File_read::claim_for_plugin): New function.
12734         * fileread.h (File_read::claim_for_plugin): New function.
12735         (File_read::descriptor): New function.
12736         * gold.cc: Include "plugin.h".
12737         (queue_initial_tasks): Add task to call plugin hooks for generating
12738         new object files.
12739         * main.cc: Include "plugin.h".
12740         (main): Load plugin libraries.
12741         * object.h (Pluginobj): Declare.
12742         (Object::pluginobj): New function.
12743         (Object::do_pluginobj): New function.
12744         (Object::set_target): New function.
12745         * options.cc: Include "plugin.h".
12746         (General_options::parse_plugin): New function.
12747         (General_options::General_options): Initialize plugins_ field.
12748         (General_options::add_plugin): New function.
12749         * options.h (Plugin_manager): Declare.
12750         (General_options): Add --plugin option.
12751         (General_options::has_plugins): New function.
12752         (General_options::plugins): New function.
12753         (General_options::add_plugin): New function.
12754         (General_options::plugins_): New field.
12755         * plugin.cc: New file.
12756         * plugin.h: New file.
12757         * readsyms.cc: Include "plugin.h".
12758         (Read_symbols::do_read_symbols): Check for archive before checking
12759         for ELF file.  Call plugin hooks to claim files.
12760         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
12761         from a real object file; force override when processing replacement
12762         files.
12763         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
12764         (Symbol::init_base_object): Likewise.
12765         (Symbol::init_base_output_data): Likewise.
12766         (Symbol::init_base_output_segment): Likewise.
12767         (Symbol::init_base_constant): Likewise.
12768         (Symbol::init_base_undefined): Likewise.
12769         (Symbol::output_section): Assert that object is not a plugin.
12770         (Symbol_table::add_from_pluginobj): New function.
12771         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
12772         undefined.
12773         (Symbol_table::sized_write_globals): Likewise.
12774         (Symbol_table::add_from_pluginobj): Instantiate template.
12775         * symtab.h (Sized_pluginobj): Declare.
12776         (Symbol::in_real_elf): New function.
12777         (Symbol::set_in_real_elf): New function.
12778         (Symbol::in_real_elf_): New field.
12779         (Symbol_table::add_from_pluginobj): New function.
12780
12781         * testsuite/Makefile.am (AM_CFLAGS): New variable.
12782         (LIBDL): New variable.
12783         (LDADD): Add LIBDL.
12784         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
12785         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
12786         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
12787         (MOSTLYCLEANFILES): Likewise.
12788         * testsuite/Makefile.in: Regenerate.
12789         * testsuite/plugin_test.c: New file.
12790         * testsuite/plugin_test_1.sh: New file.
12791         * testsuite/plugin_test_2.sh: New file.
12792
12793 2008-09-16  Ian Lance Taylor  <iant@google.com>
12794
12795         * target-reloc.h (relocate_section): Check whether a symbol is
12796         defined by the ABI before reporting an undefined symbol error.
12797         * target.h (Target::is_defined_by_abi): Make parameter const.
12798         (Target::do_is_defined_by_abi): Likewise.
12799         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
12800         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
12801         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
12802         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
12803         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
12804         * testsuite/Makefile.in: Rebuild.
12805
12806         * fileread.cc (make_view): Add casts to avoid warning.
12807
12808 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12809
12810         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
12811         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12812
12813 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12814
12815         * options.h (General_options::output_is_executable): New.
12816         (General_options::output_is_pie): New.
12817         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
12818         for shared libraries.
12819         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12820
12821 2008-09-11  Chris Demetriou  <cgd@google.com>
12822
12823         * options.h (origin): New -z option.
12824         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
12825         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
12826         in DT_FLAGS_1.
12827
12828 2008-09-05  Cary Coutant  <ccoutant@google.com>
12829
12830         * fileread.cc (File_read::make_view): Add check for attempt to map
12831         beyond end of file.
12832
12833 2008-09-05  Cary Coutant  <ccoutant@google.com>
12834
12835         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
12836         explicit instantiations.
12837
12838 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
12839
12840         PR gold/6858
12841         * options.cc (General_options::finalize): Allow undefined symbols
12842         in shlibs if linking -shared.
12843
12844         PR gold/6859
12845         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
12846         symbols as not needing a dynsym entry.
12847
12848 2008-08-20  Craig Silverstein  <csilvers@google.com>
12849
12850         * fileread.cc (File_read::open): Do not lock the file unless it
12851         was successfully opened.
12852
12853 2008-08-14  Cary Coutant  <ccoutant@google.com>
12854
12855         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
12856         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
12857         * testsuite/tls_test.cc (struct int128): 128-bit struct
12858         for testing TLS relocs with non-zero addend.
12859         (v12): New TLS variable.
12860         (t12): New test.
12861         (t_last): Add check for v12.
12862         * testsuite/tls_test.h (t12): New function.
12863         * testsuite/tls_test_main.cc (thread_routine): Call new test.
12864
12865 2008-08-13  Ian Lance Taylor  <iant@google.com>
12866
12867         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
12868         set tls_segment_ or relro_segment_.
12869         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
12870         when appropriate.
12871         * output.h (Output_section::clear_is_relro): New function.
12872         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
12873         sections specially even when output_data_ is empty.
12874         (Output_segment::maximum_alignment): When first section is relro,
12875         only force alignment for PT_LOAD segments.
12876         * script.cc (script_data_segment_align): New function.
12877         (script_data_segment_relro_end): New function.
12878         * script-c.h (script_data_segment_align): Declare.
12879         (script_data_segment_relro_end): Declare.
12880         * script-sections.h (class Script_sections): Declare
12881         data_segment_align and data_segment_relro_end.  Add fields
12882         segment_align_index_ and saw_relro_end_.
12883         * script-sections.cc (class Sections_element): Add set_is_relro
12884         virtual function.  Add new bool* parameter to place_orphan_here.
12885         Add get_output_section virtual function.
12886         (class Output_section_definition): Add set_is_relro.  Add new
12887         bool* parameter to place_orphan_here.  Add get_output_section.
12888         Add is_relro_ field.
12889         (Output_section_definition::Output_section_definition): Initialize
12890         evaluated_address_, evaluated_load_address, evaluated_addralign_,
12891         and is_relro_ fields.
12892         (Output_section_definition::place_orphan_here): Add is_relro
12893         parameter.
12894         (Output_section_definition::set_section_addresses): Set relro for
12895         output section.
12896         (Output_section_definition::alternate_constraint): Likewise.
12897         (class Orphan_output_section): Add new bool* parameter to
12898         place_orphan_here.  Add get_output_section.
12899         (Orphan_output_section::place_orphan_here): Add is_relro
12900         parameter.
12901         (Script_sections::Script_sections): Initialize
12902         data_segment_align_index_ and saw_relro_end_.
12903         (Script_sections::data_segment_align): New function.
12904         (Script_sections::data_segment_relro_end): New function.
12905         (Script_sections::place_orphan): Set or clear is_relro.
12906         (Script_sections::set_section_addresses): Force alignment of first
12907         TLS section.
12908         * yyscript.y (exp): Call script_data_segment_align and
12909         script_data_segment_relro_end.
12910         * testsuite/relro_script_test.t: New file.
12911         * testsuite/relro_test.cc (using_script): Declare.
12912         (t1, t2): Test using_script.
12913         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
12914         (relro_script_test_SOURCES): Define.
12915         (relro_script_test_DEPENDENCIES): Define.
12916         (relro_script_test_LDFLAGS): Define.
12917         (relro_script_test_LDADD): Define.
12918         (relro_script_test.so): New target.
12919         * testsuite/Makefile.in: Rebuild.
12920
12921 2008-08-06  Cary Coutant <ccoutant@google.com>
12922
12923         * archive.cc (Archive::total_archives, Archive::total_members)
12924         (Archive::total_members_loaded): New variables.
12925         (Archive::setup): Add parameter.  Add option to preread
12926         archive symbols.
12927         (Archive::read_armap): Add counter.
12928         (Archive::get_file_and_offset): New function.
12929         (Archive::get_elf_object_for_member): New function.
12930         (Archive::read_all_symbols): New function.
12931         (Archive::read_symbols): New function.
12932         (Archive::add_symbols): Add counters.
12933         (Archive::include_all_members): Use armap to find members if it's
12934         already built.
12935         (Archive::include_member): Skip reading symbols if already read.
12936         Factored code into Archive::get_file_and_offset and
12937         Archive::get_elf_object_for_member.  Changed call to
12938         Mapfile::report_include_archive_member.
12939         (Archive::print_stats): New function.
12940         * archive.h: Declare Object and Read_symbols_data classes.
12941         (Archive::Archive): Add initializers for new members.
12942         (Archive::setup): Add parameter.
12943         (Archive::print_stats): New function.
12944         (Archive::total_archives, Archive::total_members)
12945         (Archive::total_members_loaded): New variables.
12946         (Archive::get_file_and_offset): New function.
12947         (Archive::get_elf_object_for_member): New function.
12948         (Archive::read_all_symbols): New function.
12949         (Archive::read_symbols): New function.
12950         (Archive::Archive_member): New class.
12951         (Archive::members_): New member.
12952         (Archive::num_members_): New member.
12953         * main.cc: Include archive.h.
12954         (main): Call Archive::print_stats.
12955         * mapfile.cc (Mapfile::report_include_archive_member): Delete
12956         archive parameter; member_name is now the fully-decorated name.
12957         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
12958         * options.h: (General_options): Add --preread-archive-symbols option.
12959         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
12960         Archive::setup.
12961
12962 2008-08-04  Ian Lance Taylor  <iant@google.com>
12963
12964         * symtab.h (Symbol::use_plt_offset): New function.
12965         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
12966         * powerpc.cc (Relocate::relocate): Likewise.
12967         * sparc.cc (Relocate::relocate): Likewise.
12968         * x86_64.cc (Relocate::relocate): Likewise.
12969         * testsuite/weak_plt.sh: New test.
12970         * testsuite/weak_plt_main.cc: New test.
12971         * testsuite/weak_plt_shared.cc: New test.
12972         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
12973         (check_PROGRAMS): Add weak_plt.
12974         (check_DATA): Add weak_plt_shared.so.
12975         (weak_plt_main_pic.o, weak_plt): New targets.
12976         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
12977         * testsuite/Makefile.in: Rebuild.
12978
12979         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
12980         gcctestdir/ld.
12981         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
12982         * testsuite/Makefile.in: Rebuild.
12983
12984 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
12985
12986         * Makefile.am (POTFILES.in): Set LC_ALL=C.
12987         * Makefile.in: Regenerate.
12988         * po/POTFILES.in: Regenerate.
12989
12990 2008-07-29  Ian Lance Taylor  <iant@google.com>
12991
12992         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
12993         symbols before other symbols.
12994         * testsuite/script_test_2.cc (test_addr): Declare.
12995         (test_addr_alias): Declare.
12996         (main): Check that test_addr and test_addr_alias have the right
12997         values.
12998         * testsuite/script_test_2.t: Define test_addr_alias and
12999         test_addr.
13000
13001 2008-07-24  Ian Lance Taylor  <iant@google.com>
13002
13003         PR 5990
13004         * descriptors.cc: New file.
13005         * descriptors.h: New file.
13006         * gold-threads.h (class Hold_optional_lock): New class.
13007         * fileread.cc: Include "descriptors.h".
13008         (File_read::~File_read): Release descriptor rather than closing
13009         it.
13010         (File_read::open) [file]: Call open_descriptor rather than open.
13011         Set is_descriptor_opened_.
13012         (File_read::open) [memory]: Assert that descriptor is not open.
13013         (File_read::reopen_descriptor): New function.
13014         (File_read::release): Release descriptor.
13015         (File_read::do_read): Make non-const.  Reopen descriptor.
13016         (File_read::read): Make non-const.
13017         (File_read::make_view): Reopen descriptor.
13018         (File_read::do_readv): Likewise.
13019         * fileread.h (class File_read): Add is_descriptor_opened_ field.
13020         Update declarations.
13021         * layout.cc: Include "descriptors.h".
13022         (Layout::create_build_id): Use open_descriptor rather than open.
13023         * output.cc: Include "descriptors.h".
13024         (Output_file::open): Use open_descriptor rather than open.
13025         * archive.cc (Archive::const_iterator): Change Archive to be
13026         non-const.
13027         (Archive::begin, Archive::end): Make non-const.
13028         (Archive::count_members): Likewise.
13029         * archive.h (class Archive): Update declarations.
13030         * object.h (Object::read): Make non-const.
13031         * Makefile.am (CCFILES): Add descriptors.cc.
13032         (HFILES): Add descriptors.h.
13033         * Makefile.in: Rebuild.
13034
13035         PR 6716
13036         * gold.h: Always include <clocale>.  Add Solaris workarounds
13037         following code in binutils/sysdep.h.
13038
13039         PR 6048
13040         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
13041         this->eh_frame_hdr_ is NULL before using it.
13042
13043         * dynobj.cc (Versions::Versions): Update comment.
13044
13045         * dynobj.cc (Versions::Versions): If there is an soname, use it as
13046         the base version name.
13047
13048         * stringpool.cc (Stringpool_template::add_with_length): Set key to
13049         array size plus one.
13050         (Stringpool_template::set_string_offsets): Subtract one from key
13051         before using it as an array index.
13052         (Stringpool_template::get_offset_with_length): Likewise.
13053         (Stringpool_template::write_to_buffer): Likewise.
13054         * stringpool.h (Stringpool_template::get_offset_from_key):
13055         Likewise.
13056
13057 2008-07-23  Ian Lance Taylor  <iant@google.com>
13058
13059         PR 6658
13060         * object.h (Merged_symbol_value::value): Do our best to handle a
13061         negative addend.
13062
13063         PR 6647
13064         * script.cc (Version_script_info::get_versions): Don't add empty
13065         version tag to return value.
13066         (Version_script_info::get_symbol_version_helper): Change return
13067         type to bool.  Add pversion parameter.  Change all callers.
13068         (script_register_vers_node): Don't require a non-NULL tag.
13069         * script.h (class Version_script_info): Update declarations.
13070         (Version_script_info::get_symbol_version): Change return type to
13071         bool.  Add version parameter.  Change all callers.
13072         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
13073         handling.  Handle an empty version from a version script.
13074         (Symbol_table::define_special_symbol): Likewise.
13075         * testsuite/ver_test_10.script: New file.
13076         * testsuite/ver_test_10.sh: New file.
13077         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
13078         (check_DATA): Add ver_test_10.syms.
13079         (ver_test_10.syms, ver_test_10.so): New target.
13080         * testsuite/Makefile.in: Rebuild.
13081
13082 2008-07-23  Simon Baldwin  <simonb@google.com>
13083
13084         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
13085         to zero for undefined symbols from dynamic libraries.
13086
13087 2008-07-23  Ian Lance Taylor  <iant@google.com>
13088
13089         * symtab.cc (Symbol_table::resolve): Remove version parameter.
13090         Change all callers.
13091         * symtab.h (class Symbol_table): Update declaration.
13092         * testsuite/ver_test_9.cc: New file.
13093         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
13094         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
13095         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
13096         (ver_test_9.so, ver_test_9.o): New targets.
13097         * testsuite/Makefile.in: Rebuild.
13098
13099 2008-07-22  Ian Lance Taylor  <iant@google.com>
13100
13101         * options.h (class General_options): Define --check-sections.
13102         * layout.cc (Layout::set_segment_offsets): Handle
13103         --check-sections.
13104
13105         * options.h (class General_options): Define -n/--nmagic and
13106         -N/--omagic.
13107         * options.cc (General_options::finalize): For -n/--nmagic or
13108         -N/--omagic, set -static.
13109         * layout.cc (Layout::attach_allocated_section_to_segment): If
13110         -N/--omagic, don't put read-only and read-write sections in
13111         different segments.
13112         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
13113         finding a read-only segment.
13114         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
13115         don't set the minimum segment alignment to the common page size,
13116         and don't set the file offset to the address modulo the page size.
13117         * script-sections.cc (Script_sections::create_segments): If
13118         -n/--omagic, don't put read-only and read-write sections in
13119         different segments.
13120
13121         * cref.cc: New file.
13122         * cref.h: New file.
13123         * options.h (class General_options): Add --print-symbol-counts.
13124         * main.cc (main): Issue defined symbol report if requested.
13125         * archive.cc (Archive::interpret_header): Make into a const member
13126         function.
13127         (Archive::add_symbols): Call Input_objects::archive_start and
13128         archive_stop.
13129         (Archive::const_iterator): Define new class.
13130         (Archive::begin, Archive::end): New functions.
13131         (Archive::include_all_members): Rewrite to use iterator.
13132         (Archive::count_members): New function.
13133         * archive.h (class Archive): Update declarations.
13134         (Archive::filename): New function.
13135         * object.cc: Include "cref.h".
13136         (Sized_relobj::Sized_relobj): Initialize defined_count_.
13137         (Sized_relobj::do_get_global_symbol_counts): New function.
13138         (Input_objects::add_object): Add object to cross-referencer.
13139         (Input_objects::archive_start): New function.
13140         (Input_objects::archive_stop): New function.
13141         (Input_objects::print_symbol_counts): New function.
13142         * object.h: Declare Cref and Archive.
13143         (Object::get_global_symbol_counts): New function.
13144         (Object::do_get_global_symbol_counts): New pure virtual function.
13145         (class Sized_relobj): Add defined_count_ field.  Update
13146         declarations.
13147         (class Input_objects): Add cref_ field.  Update constructor.
13148         Update declarations.
13149         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
13150         defined_count_.
13151         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
13152         symbol counts.
13153         (Sized_dynobj::do_get_global_symbol_counts): New function.
13154         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
13155         defined_count_.  Update declarations.  Define Symbols typedef.
13156         * symtab.cc (Symbol_table::add_from_relobj): Add defined
13157         parameter.  Change all callers.
13158         (Symbol_table::add_from_dynobj): Add sympointers and defined
13159         parameters.  Change all callers.
13160         * symtab.h (class Symbol_table): Update declarations.
13161         * Makefile.am (CCFILES): Add cref.cc.
13162         (HFILES): Add cref.h.
13163         * Makefile.in: Rebuild.
13164
13165 2008-07-22  Simon Baldwin  <simonb@google.com>
13166
13167         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
13168         to zero when writing undefined symbols.
13169
13170 2008-07-22  Ian Lance Taylor  <iant@google.com>
13171
13172         * output.cc (Output_section::add_input_section): Don't try to
13173         merge empty merge sections.
13174
13175 2008-07-21  Craig Silverstein  <csilvers@google.com>
13176
13177         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
13178         Include symbol version in error message.
13179
13180 2008-07-20  Chris Demetriou  <cgd@google.com>
13181
13182         * configure.ac (gold_cv_c_random_seed): New configured variable.
13183         (RANDOM_SEED_CFLAGS): New substituted variable.
13184         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
13185         * configure: Rebuild.
13186         * Makefile.in: Likewise.
13187         * testsuite/Makefile.in: Likewise.
13188
13189 2008-07-18  Ian Lance Taylor  <iant@google.com>
13190
13191         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
13192         where we see NAME/NULL and NAME/VERSION  as separate symbols.
13193         * testsuite/ver_test_main.cc (main): Call t4.
13194         (t4, t4_2a): Define.
13195         * testsuite/ver_test_2.cc (t4_2): Define.
13196         * testsuite/ver_test_2.script: Put t4_2a in VER2.
13197         * testsuite/ver_test_4.cc (t4_2a): Define.
13198         * testsuite/ver_test_4.script: Put t4_2a in VER2.
13199         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
13200
13201 2008-07-17  Ian Lance Taylor  <iant@google.com>
13202
13203         * dynobj.cc (Versions::add_def): If we give an error about a
13204         missing version, go ahead and create the version anyhow.
13205
13206 2008-07-10  Ian Lance Taylor  <iant@google.com>
13207
13208         Handle output sections with more than 0x7fffffff bytes.
13209         * object.h (class Relobj): Change map_to_output_ to
13210         output_sections_, and just keep a section pointer.  Change all
13211         uses.  Move comdat group support to Sized_relobj.
13212         (Relobj::is_section_specially_mapped): Remove.
13213         (Relobj::output_section): Remove poff parameter.  Change all
13214         callers.
13215         (Relobj::output_section_offset): New function.
13216         (Relobj::set_section_offset): Rewrite.
13217         (Relobj::map_to_output): Remove.
13218         (Relobj::output_sections): New function.
13219         (Relobj::do_output_section_offset): New pure virtual function.
13220         (Relobj::do_set_section_offset): Likewise.
13221         (class Sized_relobj): Add section_offsets_ field.  Add comdat
13222         group support from Relobj.  Update declarations.
13223         (Sized_relobj::get_output_section_offset): New function.
13224         (Sized_relobj::do_output_section_offset): New function.
13225         (Sized_relobj::do_set_section_offset): New function.
13226         * object.cc (Relobj::output_section_address): Remove.
13227         (Sized_relobj::Sized_relobj): Initialize new fields.
13228         (Sized_relobj::include_section_group): Cast find_kept_object to
13229         Sized_relobj.
13230         (Sized_relobj::include_linkonce_section): Likewise.
13231         (Sized_relobj::do_layout): Use separate arrays for output section
13232         and output offset.
13233         (Sized_relobj::do_count_local_symbols): Change map_to_output to
13234         output_sections.
13235         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
13236         output_sections and section_offsets.
13237         (Sized_relobj::write_local_symbols): Likewise.
13238         (map_to_kept_section): Compute output address directly.
13239         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
13240         output_sections and section_offsets.
13241         (Sized_relobj::write_sections): Likewise.
13242         (Sized_relobj::relocate_sections): Likewise.
13243         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
13244         * output.h (class Output_reloc): Update declarations.  Change
13245         u2_.relobj to Sized_relobj*.
13246         (class Output_data_reloc): Change add functions to use
13247         Sized_relobj*.
13248         * output.cc (Output_reloc::Output_reloc): Change relobj to
13249         Sized_relobj*.
13250         (Output_reloc::local_section_offset): Change return type to
13251         Elf_Addr.  Use get_output_section_offset.
13252         (Output_reloc::get_address): Likewise.
13253         (Output_section::is_input_address_mapped): Don't call
13254         is_section_specially_mapped.
13255         (Output_section::output_offset): Likewise.
13256         (Output_section::output_address): Likewise.
13257         (Output_section::starting_output_address): Likewise.
13258         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
13259         parameter to Sized_relobj*.
13260         (Copy_relocs::need_copy_reloc): Likewise.
13261         (Copy_relocs::save): Likewise.
13262         * copy-relocs.h (class Copy_relocs): Update declarations.
13263         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
13264         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
13265         * target-reloc.h (relocate_for_relocatable): Change
13266         offset_in_output_section type to Elf_Addr.  Change code that uses
13267         it as well.
13268         * layout.cc (Layout::layout): Always set *off.
13269         * mapfile.cc (Mapfile::print_input_section): Use
13270         output_section_offset.
13271         * i386.cc (Target_i386::copy_reloc): Change object parameter to
13272         Sized_relobj*.
13273         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
13274         * sparc.cc (Target_sparc::copy_reloc): Likewise.
13275         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
13276
13277 2008-07-03  Ian Lance Taylor  <iant@google.com>
13278
13279         * layout.cc (Layout::include_section): Do not discard unrecognized
13280         SHT_STRTAB sections.
13281
13282 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
13283
13284         * script.cc (Lex::can_continue_name): Make '?' allowable in
13285         version-script names.
13286         * testsuite/version_script.map: Change glob pattern to use '?'
13287
13288 2008-06-30  Manish Singh  <yosh@gimp.org>
13289
13290         PR 6585
13291         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
13292         Correct typo.
13293
13294 2008-06-30  Ian Lance Taylor  <iant@google.com>
13295
13296         PR 6660
13297         PR 6682
13298         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
13299         versions]: Don't try to read the value in the contents, since we
13300         don't use it.  Use the template endianness when writing.
13301
13302 2008-06-25  Cary Coutant  <ccoutant@google.com>
13303
13304         * fileread.cc (File_read::make_view): Assert on zero-length view.
13305         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
13306         symbol table when there are no symbols to read.
13307
13308 2008-06-23  Craig Silverstein  <csilvers@google.com>
13309
13310         * version.cc (version_string): Bump to 1.7
13311
13312 2008-06-18  Craig Silverstein  <csilvers@google.com>
13313
13314         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
13315         constant 0xFFFF to type Valtype.
13316         (Powerpc_relocate_functions::rel16_ha): Likewise.
13317
13318 2008-06-17  Ian Lance Taylor  <iant@google.com>
13319
13320         * output.h (Output_section::Input_section): Initialize p2align_ to
13321         zero for Output_section_data constructors.
13322         (Output_section::Input_section::addralign): If not an input
13323         section, return the alignment of the Output_section_data.
13324         * testsuite/copy_test.cc: New file.
13325         * testsuite/copy_test_1.cc: New file.
13326         * testsuite/copy_test_2.cc: New file.
13327         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
13328         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
13329         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
13330         (copy_test_1_pic.o, copy_test_1.so): New targets.
13331         (copy_test_2_pic.o, copy_test_2.so): New targets.
13332         * testsuite/Makefile.in: Rebuild.
13333
13334         * script-sections.cc (Script_sections::place_orphan): Initialize
13335         local variable exact.
13336
13337 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
13338
13339         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
13340
13341 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
13342             David S. Miller  <davem@davemloft.net>
13343
13344         * powerpc.cc: New file.
13345         * Makefile.am (TARGETSOURCES): Add powerpc.cc
13346         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
13347         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
13348         * Makefile.in: Rebuild.
13349
13350 2008-06-09  Ian Lance Taylor  <iant@google.com>
13351
13352         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
13353         <exception>.
13354         (throwing, orig_terminate): New static variables.
13355         (terminate_handler): New static function.
13356         (t2): Set terminate handler.
13357
13358 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
13359
13360         PR 6584
13361         * binary.cc (Binary_to_elf::sized_convert): Fix .data
13362         alignment.
13363
13364 2008-05-30  Cary Coutant  <ccoutant@google.com>
13365
13366         * archive.cc (Archive::include_all_members) Correct to step
13367         over symbol table and extended name table in thin archives.
13368
13369 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
13370
13371         PR 6407
13372         * target-reloc.h (relocate_for_relocatable): Fix new_offset
13373         calculation.
13374
13375 2008-05-28  Caleb Howe  <cshowe@google.com>
13376
13377         * reduced_debug_output.cc: New file.
13378         * reduced_debug_output.h: New file.
13379         * options.h (class General_options): Add --strip-debug-non-line.
13380         * options.cc (General_options::finalize): Add strip_debug_non_line
13381         to the strip heirarchy.
13382         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
13383         fields.
13384         * layout.cc: Include "reduced_debug_output.h".
13385         (Layout::Layout): Initialize new fields.
13386         (line_only_debug_sections): New static array.
13387         (is_lines_only_debug_sections): New static inline function.
13388         (Layout::include_section): Handle --strip-debug-non-line.
13389         (Layout::make_output_section): If --strip-debug-non-line, build
13390         new output sections for .debug_abbrev and .debug_info.
13391         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
13392         gold.  Warn about possible overflow.
13393         (read_signed_LEB_128): Likewise.
13394         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
13395         (read_signed_LEB_128): Declare.
13396         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
13397         (HFILES): Add reduced_debug_output.h.
13398         * Makefile.in: Rebuild.
13399
13400 2008-05-21  Ian Lance Taylor  <iant@google.com>
13401
13402         * mapfile.cc: New file.
13403         * mapfile.h: New file.
13404         * options.h (class General_options): Add -M/--print-map and -Map.
13405         * options.cc (General_options::finalize): Make -M equivalent to
13406         -Map -.
13407         * main.cc: Include <cstdio> and "mapfile.h".
13408         (main): Open mapfile if requested.
13409         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
13410         constructor.  Change caller.
13411         (queue_initial_tasks): Add mapfile parameter.  Change caller.
13412         (queue_middle_tasks): Likewise.
13413         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
13414         declarations.
13415         * archive.cc: Include "mapfile.h".
13416         (Archive::add_symbols): Add mapfile parameter.  Change all
13417         callers.  Pass mapfile, symbol, and reason to include_member.
13418         (Archive::include_all_members): Add mapfile parameter.  Change all
13419         callers.
13420         (Archive::include_member): Add mapfile, sym, and why parameters.
13421         Change all callers.  Report inclusion to map file.
13422         * archive.h: Include "fileread.h".
13423         (class Archive): Update declarations.
13424         (Archive::file): New const method.
13425         (class Add_archive_symbols): Add mapfile_ field.  Update
13426         constructor.  Change all callers.
13427         * readsyms.h (class Read_symbols): Likewise.
13428         (class Finish_group): Likewise.
13429         (class Read_script): Likewise.
13430         * common.cc: Include "mapfile.h".
13431         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
13432         all callers.
13433         (Symbol_table::do_allocate_commons): Likewise.
13434         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
13435         symbol allocation to mapfile.
13436         * common.h (class Allocate_commons_task): Add mapfile_ field.
13437         Update constructor.  Change all callers.
13438         * symtab.h (class Symbol_table): Update declarations.
13439         * layout.cc: Include "mapfile.h".
13440         (Layout_task_runner::run): Print information to mapfile.
13441         (Layout::create_gold_note): Change Output_data_fixed_space to
13442         Output_data_zero_fill.
13443         (Layout::create_build_id): Likewise.
13444         (Layout::print_to_mapfile): New function.
13445         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
13446         constructor.  Change caller.
13447         (class Layout): Declare print_to_mapfile.
13448         * output.cc (Output_section::Input_section::print_to_mapfile): New
13449         function.
13450         (Output_section::add_input_section): If producing a map, always
13451         add to input_sections_ list.
13452         (Output_section::do_print_to_mapfile): New function.
13453         (Output_segment::print_sections_to_mapfile): New function.
13454         (Output_segment::print_section_list_to_mapfile): New function.
13455         * output.h: Include "mapfile.h".
13456         (Output_data::print_to_mapfile): New function.
13457         (Output_data::do_print_to_mapfile): New virtual function.
13458         (Output_segment_headers::do_print_to_mapfile): New function.
13459         (Output_file_header::do_print_to_mapfile): New function.
13460         (Output_data_const::do_print_to_mapfile): New function.
13461         (class Output_data_const_buffer): Add map_name_ field.  Update
13462         constructor.  Change all callers.  Add do_print_to_mapfile
13463         function.
13464         (class Output_data_fixed_space): Likewise.
13465         (class Output_data_space): Likewise.
13466         (class Output_data_zero_fill): New class.
13467         (Output_data_strtab::do_print_to_mapfile): New function.
13468         (Output_data_reloc_base::do_print_to_mapfile): New function.
13469         (Output_relocatable_relocs::do_print_to_mapfile): New function.
13470         (Output_data_group::do_print_to_mapfile): New function.
13471         (Output_data_got::do_print_to_mapfile): New function.
13472         (Output_data_dynamic::do_print_to_mapfile): New function.
13473         (Output_symtab_xindex::do_print_to_mapfile): New function.
13474         (class Output_section): Declare do_print_to_mapflie.  Declare
13475         print_to_mapfile in Input_section.
13476         (class Output_segment): Declare new functions.
13477         * object.h (Sized_relobj::symbol_count): New function.
13478         * script-sections.cc
13479         (Output_section_element_dot_assignment::set_section_addresses):
13480         Change Output_data_fixed_space to Output_data_zero_fill.
13481         (Output_data_expression::do_print_to_mapfile): New function.
13482         * script.cc (read_input_script): Add mapfile parameter.  Change
13483         all callers.
13484         * script.h (read_input_script): Update declaration.
13485         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
13486         (Eh_frame::do_print_to_mapfile): New function.
13487         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
13488         (Output_merge_string::do_print_to_mapfile): New function.
13489         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
13490         function.
13491         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
13492         function.
13493         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
13494         function.
13495         * Makefile.am (CCFILES): Add mapfile.cc.
13496         (HFILES): Add mapfile.h.
13497         * Makefile.in: Rebuild.
13498
13499 2008-05-19  Ian Lance Taylor  <iant@google.com>
13500
13501         * options.h (class General_options): Add -z relro.
13502         * layout.cc (Layout::Layout): Initialize relro_segment_.
13503         (Layout::add_output_section_data): Return the output section.
13504         (Layout::make_output_section): Rcognize relro sections and mark
13505         them appropriately.
13506         (Layout::attach_allocated_section_to_segment): Put relro sections
13507         in a PT_GNU_RELRO segment.
13508         (Layout::create_initial_dynamic_sections): Mark the .dynamic
13509         section as relro.
13510         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
13511         PT_TLS segments.
13512         (Layout::linkonce_mapping): Map d.rel.ro.local to
13513         .data.rel.ro.local.
13514         (Layout::output_section_name): Us .data.rel.ro.local for any
13515         section which begins with that.
13516         * layout.h (class Layout): Update add_output_section_data
13517         declaration.  Add relro_segment_ field.
13518         * output.cc (Output_section::Output_section): Initialize is_relro_
13519         and is_relro_local_ fields.
13520         (Output_segment::add_output_section): Group relro sections.
13521         (Output_segment::is_first_section_relro): New function.
13522         (Output_segment::maximum_alignment): If there is a relro section,
13523         align the segment to the common page size.
13524         (Output_segment::set_section_addresses): Track whether we are
13525         looking at relro sections.  If the last section is a relro
13526         section, align to the common page size.
13527         (Output_segment::set_section_list_addresses): Add in_relro
13528         parameter.  Change all callers.  Align to the page size when
13529         moving from relro to non-relro section.
13530         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
13531         segment.
13532         * output.h (class Output_section): Add is_relro_ and
13533         is_relro_local_ fields.
13534         (Output_section::is_relro): New function.
13535         (Output_section::set_is_relro): New function.
13536         (Output_section::is_relro_local): New function.
13537         (Output_section::set_is_relro_local): New function.
13538         (class Output_segment): Update declarations.
13539         * i386.cc (Target_i386::got_section): Mark .got section as relro.
13540         * sparc.cc (Target_sparc::got_section): Likewise.
13541         * x86_64.cc (Target_x86_64::got_section): Likewise.
13542         * testsuite/relro_test_main.cc: New file.
13543         * testsuite/relro_test.cc: New file.
13544         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
13545         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
13546         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
13547         (relro_test.so, relro_test_pic.o): New targets.
13548         * testsuite/Makefile.in: Rebuild.
13549
13550 2008-05-16  Ian Lance Taylor  <iant@google.com>
13551
13552         * output.cc (Output_segment::add_output_section): Remove front
13553         parameter.
13554         * output.h (class Output_segment): Remove
13555         add_initial_output_section and overloaded add_output_section.
13556         Update declaration of remaining add_output_section.
13557         * layout.cc (Layout::create_interp): Call add_output_section
13558         rather than add_initial_output_section.
13559         (Layout::finish_dynamic_section): Likewise.
13560
13561         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
13562         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
13563         know the dynamic type.
13564         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
13565         field.  Initialize it in constructor.
13566         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
13567         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
13568         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
13569         reloc.
13570
13571         * output.cc (Output_reloc::get_address): Change return type to
13572         Elf_Addr.
13573         * output.h (class Output_reloc): Update get_address declaration.
13574         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
13575         for section addresses.
13576
13577 2008-05-09  Ian Lance Taylor  <iant@google.com>
13578
13579         PR 6493
13580         * gold.cc (gold_nomem): Use return value of write.
13581
13582 2008-05-08  Ian Lance Taylor  <iant@google.com>
13583
13584         * symtab.c (Symbol::init_base_output_data): Add version
13585         parameter.  Change all callers.
13586         (Symbol::init_base_output_segment): Likewise.
13587         (Symbol::init_base_constant): Likewise.
13588         (Symbol::init_base_undefined): Likewise.
13589         (Sized_symbol::init_output_data): Likewise.
13590         (Sized_symbol::init_output_segment): Likewise.
13591         (Sized_symbol::init_constant): Likewise.
13592         (Sized_symbol::init_undefined): Likewise.
13593         (Symbol_table::do_define_in_output_data): If the new symbol has a
13594         version, mark it as the default.
13595         (Symbol_table::do_define_in_output_segment): Likewise.
13596         (Symbol_table::do_define_as_constant): Likewise.
13597         * symtab.h (class Symbol): Update declarations.
13598         (class Sized_symbol): Likewise.
13599         * resolve.cc (Symbol::override_version): New function.
13600         (Symbol::override_base): Call override_version.
13601         (Symbol::override_base_with_special): Likewise.
13602         * testsuite/ver_script_8.script: New file.
13603         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
13604         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
13605         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
13606         (ver_test_8_1.so, ver_test_8_2.so): New targets.
13607
13608 2008-05-06  Ian Lance Taylor  <iant@google.com>
13609
13610         PR 6049
13611         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
13612         functions.
13613         (class General_options): Remove existing --undefined, and add
13614         --no-undefined instead.  Add new --undefined as synonym for -u.
13615         * archive.cc (Archive::add_symbols): Check whether symbol was
13616         named with -u.
13617         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
13618         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
13619         all uses.  Add IS_UNDEFINED.  Update declarations to split
13620         different versions of init_base.  Declare init_base_undefined.
13621         (Symbol::is_defined): Handle IS_UNDEFINED.
13622         (Symbol::is_undefined): Likewise.
13623         (Symbol::is_weak_undefined): Call is_undefined.
13624         (Symbol::is_absolute): Handle IS_CONSTANT.
13625         (class Sized_symbol): Update declarations to split different
13626         versions of init.  Declare init_undefined.
13627         (class Symbol_table): Declare new functions.
13628         * symtab.cc (Symbol::init_base_object): Rename from init_base.
13629         Change all callers.
13630         (Symbol::init_base_output_data): Likewise.
13631         (Symbol::init_base_output_segment): Likewise.
13632         (Symbol::init_base_constant): Likewise.
13633         (Symbol::init_base_undefined): New function.
13634         (Sized_symbol::init_object): Rename from init.  Change all
13635         callers.
13636         (Sized_symbol::init_output_data): Likewise.
13637         (Sized_symbol::init_output_segment): Likewise.
13638         (Sized_symbol::init_constant): Likewise.
13639         (Sized_symbol::init_undefined): New function.
13640         (Symbol_table::add_undefined_symbols_from_command_line): New
13641         function.
13642         (Symbol_table::do_add_undefined_symbols_from_command_line): New
13643         function.
13644         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
13645         (Symbol::output_section): Likewise.
13646         (Symbol::set_output_section): Likewise.
13647         (Symbol_table::sized_finalize_symbol): Likewise.
13648         (Symbol_table::sized_write_globals): Likewise.
13649         * resolve.cc (Symbol_table::should_override): Likewise.
13650         (Symbol::override_base_with_special): Likewise.
13651
13652         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
13653         symbol, change it to have default visibility.
13654         * testsuite/protected_1.cc: New file.
13655         * testsuite/protected_2.cc: New file.
13656         * testsuite/protected_3.cc: New file.
13657         * testsuite/protected_main_1.cc: New file.
13658         * testsuite/protected_main_2.cc: New file.
13659         * testsuite/protected_main_3.cc: New file.
13660         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
13661         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
13662         (protected_1_LDFLAGS, protected_1_LDADD): Define.
13663         (protected_1.so): New target.
13664         (protected_1_pic.o, protected_2_pic.o): New targets.
13665         (protected_3_pic.o): New target.
13666         (check_PROGRAMS): Add protected_2.
13667         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
13668         (protected_2_LDFLAGS, protected_2_LDADD): Define.
13669         * testsuite/Makefile.in: Rebuild.
13670
13671         * options.h (DEFINE_var): Add set_user_set_##varname__.
13672         (DEFINE_bool_alias): New macro.
13673         (class General_options): Define -Bstatic using DEFINE_bool_alias
13674         rather than DEFINE_special.  Add --undefined as an alias for -z
13675         defs.
13676         * options.cc (General_options::parse_Bstatic): Remove.
13677
13678         * options.h (class General_options): Add --fatal-warnings.
13679         * main.cc (main): Implement --fatal-warnings.
13680         * errors.h (Errors::warning_count): New function.
13681
13682         * options.h (class General_options): Add -Bsymbolic-functions.
13683         * symtab.h (Symbol::is_preemptible): Check for
13684         -Bsymbolic-functions.
13685
13686 2008-05-05  Ian Lance Taylor  <iant@google.com>
13687
13688         * options.h (DEFINE_bool): For DASH_Z, create the negative option
13689         as noVARNAME rather than no-VARNAME.
13690         (class General_options): Add option -z combreloc.
13691         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
13692         get_address.
13693         (Output_reloc::sort_before) [SHT_REL]: New function.
13694         (Output_reloc::sort_before) [SHT_RELA]: New function.
13695         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
13696         Sort_relocs_comparison.
13697         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
13698         parameter.  Change all callers.
13699         (Output_data_reloc::Output_data_reloc) [both versions]: Add
13700         sort_relocs parameter.  Change all callers.
13701         * output.cc (Output_reloc::get_address): New function, broken out
13702         of write_rel.
13703         (Output_reloc::write_rel): Call it.
13704         (Output_reloc::compare): New function.
13705         (Output_data_reloc_base::do_write): Optionally sort relocs.
13706
13707         * configure.ac: If targ_extra_obj is set, link it in.
13708         * configure.tgt: Initialize all variables.
13709         (x86_64*): Set targ_extra_obj and targ_extra_size.
13710         * configure: Rebuild.
13711
13712         * object.cc (Sized_relobj::include_section_group): Adjust section
13713         indexes read from group data.  Build vector to pass to
13714         layout_group.
13715         * layout.cc (Layout::layout_group): Add flags and shndxes
13716         parameters.  Remove contents parameter.  Change caller.  Update
13717         explicit instantiations.
13718         * layout.h (class Layout): Update layout_group declaration.
13719         * output.cc (Output_data_group::Output_data_group): Add flags and
13720         input_shndxes parameters.  Remove contents parameter.  Change
13721         caller.
13722         (Output_data_group::do_write): Change input_sections_ to
13723         input_shndxes_.
13724         * output.h (class Output_data_group): Update constructor
13725         declaration.  Rename input_sections_ to input_shndxes_.
13726         * testsuite/many_sections_test.cc: Add template.
13727
13728 2008-04-30  Cary Coutant  <ccoutant@google.com>
13729
13730         * target-reloc.h (relocate_section): Fix dead-pointer bug.
13731
13732         * layout.cc (Layout::include_section): Refactored check for debug
13733         info section.
13734         (Layout::add_comdat): Add new parameters.  Change type
13735         of signature parameter.  Add object and shndx to signatures table.
13736         (Layout::find_kept_object): New function.
13737         * layout.h: Include <cstring>.
13738         (Layout::is_debug_info_section): New function.
13739         (Layout::add_comdat): Add new parameters.
13740         (Layout::find_kept_object): New function.
13741         (Layout::Kept_section): New struct.
13742         (Layout::Signatures): Change type of map range.
13743         * object.cc (Relobj::output_section_address): New function.
13744         (Sized_relobj::include_section_group): Add new parameters.  Change
13745         calls to Layout::add_comdat.  Change to build table of kept comdat
13746         groups and table mapping discarded sections to kept sections.
13747         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
13748         (Sized_relobj::do_layout): Change calls to include_section_group and
13749         include_linkonce_section.
13750         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
13751         value to zero when section is discarded.
13752         (Sized_relobj::map_to_kept_section): New function.
13753         * object.h (Relobj::output_section_address): New function.
13754         (Relobj::Comdat_group): New type.
13755         (Relobj::find_comdat_group): New function.
13756         (Relobj::Comdat_group_table): New type.
13757         (Relobj::Kept_comdat_section): New type.
13758         (Relobj::Kept_comdat_section_table): New type.
13759         (Relobj::add_comdat_group): New function.
13760         (Relobj::set_kept_comdat_section): New function.
13761         (Relobj::get_kept_comdat_section): New function.
13762         (Relobj::comdat_groups_): New field.
13763         (Relobj::kept_comdat_sections_): New field.
13764         (Symbol_value::input_value): Update comment.
13765         (Sized_relobj::map_to_kept_section) New function.
13766         (Sized_relobj::include_linkonce_section): Add new parameter.
13767         * target-reloc.h (Comdat_behavior): New type.
13768         (get_comdat_behavior): New function.
13769         (relocate_section): Add code to map a discarded section to the
13770         corresponding kept section when applying a relocation.
13771
13772 2008-04-30  Craig Silverstein  <csilvers@google.com>
13773
13774         * dwarf_reader.cc (next_generation_count): New static var.
13775         (Addr2line_cache_entry): New struct.
13776         (addr2line_cache): New static var.
13777         (Dwarf_line_info::one_addr2line): Added caching.
13778         (Dwarf_line_info::clear_addr2line_cache): New function.
13779         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
13780         cache-size parameter.
13781         (Dwarf_line_info::one_addr2line_cache): New function.
13782         * symtab.cc (Symbol_table::detect_odr_violations): Pass
13783         new cache-size argument to one_addr2line(), and clear cache.
13784
13785 2008-04-28  Cary Coutant  <ccoutant@google.com>
13786
13787         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
13788         R_386_PC8 relocations.
13789
13790 2008-04-23  Ian Lance Taylor  <iant@google.com>
13791
13792         * object.cc (Sized_relobj::include_section_group): Check for
13793         invalid section group.
13794
13795         * object.cc (make_elf_object): Correct test for 64-bit ELF file
13796         header size.
13797
13798         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
13799         than read for file header.
13800         * archive.cc (Archive::include_member): Likewise.
13801
13802 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13803
13804         * aclocal.m4: Regenerate.
13805         * configure: Regenerate.
13806
13807 2008-04-19  Ian Lance Taylor  <iant@google.com>
13808
13809         * version.cc (version_string): Bump to 1.6.
13810
13811         * testsuite/Makefile.am (many_sections_r_test): New target.
13812         (many_sections_r_test_SOURCES): Remove.
13813         (many_sections_r_test_DEPENDENCIES): Remove.
13814         (many_sections_r_test_LDFLAGS): Remove.
13815         (many_sections_r_test_LDADD): Remove.
13816
13817         * object.cc (Sized_relobj::do_add_symbols): Always pass
13818         local_symbol_count_ to add_from_relobj.
13819
13820         * testsuite/Makefile.am (many_sections_check.h): Only check one in
13821         every thousand variables.
13822         * testsuite/Makefile.in: Rebuild.
13823
13824         * object.cc (Xindex::initialize_symtab_xindex): New function.
13825         (Xindex::read_symtab_xindex): New function.
13826         (Xindex::sym_xindex_to_shndx): New function.
13827         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
13828         available.
13829         (Sized_relobj::do_initialize_xindex): New function.
13830         (Sized_relobj::do_read_symbols): Adjust section links.
13831         (Sized_relobj::symbol_section_and_value): Add is_ordinary
13832         parameter.  Change all callers.
13833         (Sized_relobj::include_section_group): Adjust section links and
13834         symbol section indexes.
13835         (Sized_relobj::do_layout): Adjust section links.
13836         (Sized_relobj::do_count_local_symbols): Adjust section links and
13837         symbol section indexes.
13838         (Sized_relobj::do_finalize_local_symbols): Distinguish between
13839         ordinary and special symbols.
13840         (Sized_relobj::write_local_symbols): Add symtab_xindex and
13841         dynsym_xindex parameters.  Change all callers.  Adjust section
13842         links.  Use SHN_XINDEX when needed.
13843         (Sized_relobj::get_symbol_location_info): Adjust section links.
13844         Don't get fooled by special symbols.
13845         * object.h (class Xindex): Define.
13846         (class Object): Add xindex_ parameter.  Declare virtual functoin
13847         do_initialize_xindex.
13848         (Object::adjust_sym_shndx): New function.
13849         (Object::set_xindex): New protected function.
13850         (class Symbol_value): Add is_ordinary_shndx_ field.
13851         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
13852         (Symbol_value::value): Assert ordinary section.
13853         (Symbol_value::initialize_input_to_output_map): Likewise.
13854         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
13855         Change all callers.
13856         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
13857         all callers.
13858         (class Sized_relobj): Update declarations.
13859         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
13860         parameter.  Change all callers.
13861         (Sized_relobj::adjust_shndx): New function.
13862         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
13863         field.
13864         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
13865         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
13866         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
13867         (Sized_dynobj::read_dynsym_section): Adjust section links.
13868         (Sized_dynobj::read_dynamic): Likewise.
13869         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
13870         section links.
13871         (Sized_dynobj::do_initialize_xindex): New function.
13872         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
13873         do_initialize_xindex.
13874         (Sized_dynobj::adjust_shndx): New function.
13875         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
13876         dynsym_xindex_ fields.
13877         (Layout::finalize): Add a call to set_section_indexes before
13878         creating the symtab sections.
13879         (Layout::set_section_indexes): Don't do anything if the section
13880         already has a section index.
13881         (Layout::create_symtab_sections): Add shnum parameter.  Change
13882         caller.  Create .symtab_shndx section if needed.
13883         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
13884         caller.
13885         (Layout::allocated_output_section_count): New function.
13886         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
13887         needed.
13888         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
13889         fields.  Update declarations.
13890         (Layout::symtab_xindex): New function.
13891         (Layout::dynsym_xindex): New function.
13892         (class Write_symbols_task): Add layout_ field.
13893         (Write_symbols_task::Write_symbols_task): Add layout parameter.
13894         Change caller.
13895         * output.cc (Output_section_headers::Output_section_headers): Add
13896         shstrtab_section parameter.  Change all callers.
13897         (Output_section_headers::do_sized_write): Store overflow values
13898         for section count and section string table section index in
13899         section header zero.
13900         (Output_file_header::do_sized_write): Check for overflow of
13901         section count and section string table section index.
13902         (Output_symtab_xindex::do_write): New function.
13903         (Output_symtab_xindex::endian_do_write): New function.
13904         * output.h (class Output_section_headers): Add shstrtab_section_.
13905         Update declarations.
13906         (class Output_symtab_xindex): Define.
13907         (Output_section::has_out_shndx): New function.
13908         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
13909         field.
13910         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
13911         Change all callers.
13912         (Sized_symbol::init): Likewise.
13913         (Symbol::output_section): Check for ordinary symbol.
13914         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
13915         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
13916         callers.
13917         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
13918         Change all callers.  Simplify handling of symbols from sections
13919         not included in the link.
13920         (Symbol_table::add_from_dynobj): Handle ordinary symbol
13921         distinction.
13922         (Weak_alias_sorter::operator()): Assert that symbols are
13923         ordinary.
13924         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
13925         distinction.
13926         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
13927         parameters.  Change all callers.
13928         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
13929         symbol distinction.  Use SHN_XINDEX when needed.
13930         (Symbol_table::write_section_symbol): Add symtab_xindex
13931         parameter.  Change all callers.
13932         (Symbol_table::sized_write_section_symbol): Likewise.  Use
13933         SHN_XINDEX when needed.
13934         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
13935         declarations.
13936         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
13937         (Symbol::is_defined): Check is_ordinary.
13938         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
13939         (Symbol::is_absolute, Symbol::is_common): Likewise.
13940         (class Sized_symbol): Update declarations.
13941         (class Symbol_table): Update declarations.
13942         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
13943         parameters.  Change all callers.
13944         (Sized_symbol::override): Likewise.
13945         (Symbol_table::override): Likewise.
13946         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
13947         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
13948         is_ordinary, and orig_st_shndx parameters.  Change all callers.
13949         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
13950         to be in an ordinary section.
13951         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
13952         object and is_ordinary parameters.  Change all callers.
13953         (Sized_dwarf_line_info::read_relocs): Add object parameter.
13954         Change all callers.  Don't add undefined or non-ordinary symbols
13955         to reloc_map_.
13956         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
13957         Change all callers.
13958         * dwarf_reader.h (class Sized_dwarf_line_info): Update
13959         declarations.
13960         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
13961         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
13962         (Sized_relobj::relocate_sections): Likewise.
13963         * target-reloc.h (scan_relocs): Adjust section symbol index.
13964         (scan_relocatable_relocs): Likewise.
13965         * i386.cc (Scan::local): Check for ordinary symbols.
13966         * sparc.cc (Scan::local): Likewise.
13967         * x86_64.cc (Scan::local): Likewise.
13968         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
13969         to symbol_section_and_value.
13970         * testsuite/many_sections_test.cc: New file.
13971         * testsuite/Makefile.am (BUILT_SOURCES): Define.
13972         (check_PROGRAMS): Add many_sections_test.
13973         (many_sections_test_SOURCES): Define.
13974         (many_sections_test_DEPENDENCIES): Define.
13975         (many_sections_test_LDFLAGS): Define.
13976         (BUILT_SOURCES): Add many_sections_define.h.
13977         (many_sections_define.h): New target.
13978         (BUILT_SOURCES): Add many_sections_check.h.
13979         (many_sections_check.h): New target.
13980         (check_PROGRAMS): Add many_sections_r_test.
13981         (many_sections_r_test_SOURCES): Define.
13982         (many_sections_r_test_DEPENDENCIES): Define.
13983         (many_sections_r_test_LDFLAGS): Define.
13984         (many_sections_r_test_LDADD): Define.
13985         (many_sections_r_test.o): New target.
13986         * testsuite/Makefile.in: Rebuild.
13987
13988 2008-04-17  Cary Coutant  <ccoutant@google.com>
13989
13990         * errors.cc (Errors::info): New function.
13991         (gold_info): New function.
13992         * errors.h (Errors::info): New function.
13993         * gold.h (gold_info): New function.
13994         * object.cc (Input_objects::add_object): Print trace output.
13995         * options.cc (options::parse_set): New function.
13996         (General_options::parse_wrap): Deleted.
13997         (General_options::General_options): Deleted initializer.
13998         * options.h (options::String_set): New typedef.
13999         (options::parse_set): New function.
14000         (DEFINE_set): New macro.
14001         (General_options::wrap): Changed to use DEFINE_set. Changed
14002         callers of any_wrap_symbols and is_wrap_symbol.
14003         (General_options::trace, General_options::trace_symbol):
14004         New options.
14005         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
14006         (General_options::wrap_symbols_): Deleted.
14007         * symtab.cc (Symbol_table::add_from_object): Print trace output.
14008
14009 2008-04-17  David S. Miller  <davem@davemloft.net>
14010
14011         * options.cc (General_options::parse_V): New function.
14012         * options.h: Add entries for -V and -Qy.
14013
14014 2008-04-17  Ian Lance Taylor  <iant@google.com>
14015
14016         * common.cc (Symbol_table::allocate_commons): Remove options
14017         parameter.  Change caller.
14018         (Symbol_table::do_allocate_commons): Remove options parameter.
14019         Change caller.  Just call do_allocate_commons_list twice.
14020         (Symbol_table::do_allocate_commons_list): New function, broken out
14021         of do_allocate_commons.
14022         * common.h (class Allocate_commons_task): Remove options_ field.
14023         Update constructor.
14024         * symtab.cc (Symbol_table::Symbol_table): Initialize
14025         tls_commons_.
14026         (Symbol_table::add_from_object): Put TLS common symbols on
14027         tls_commons_ list.
14028         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
14029         which are IN_OUTPUT_DATA.
14030         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
14031         allocate_commons and do_allocate_commons declarations.  Declare
14032         do_allocate_commons_list.
14033         * gold.cc (queue_middle_tasks): Update creation of
14034         Allocate_commons_task to not pass options.
14035         * testsuite/Makefile.am (INCLUDES): Add -I.. .
14036         (TLS_TEST_C_FLAGS): New variable.
14037         (tls_test_c_pic.o): New target.
14038         (tls_test_shared.so): Link in tls_test_c_pic.o.
14039         (tls_test_c_pic_ie.o): New target.
14040         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
14041         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
14042         (tls_test_c.o): New target.
14043         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
14044         (tls_pic_test_LDADD): Likewise.
14045         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
14046         (tls_shared_gd_to_ie_test_LDADD): Likewise.
14047         (tls_test_c_gnu2.o): New target.
14048         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
14049         tls_test_c_gnu2.o.
14050         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
14051         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
14052         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
14053         * testsuite/tls_test.cc: Include "config.h".
14054         (t_last): Call t11_last.
14055         * testsuite/tls_test.h (t11, t11_last): Declare.
14056         * testsuite/tls_test_c.c: New file.
14057         * testsuite/tls_test_main.cc (thread_routine): Call t11.
14058         * configure.ac: Check for OpenMP support.
14059         * configure, config.in, Makefile.in: Rebuild.
14060         * testsuite/Makefile.in: Rebuild.
14061
14062 2008-04-16  Cary Coutant  <ccoutant@google.com>
14063
14064         * i386.cc (Target_i386::define_tls_base_symbol): New function.
14065         (Target_i386::tls_base_symbol_defined_): New field.
14066         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
14067         (Target_i386::Scan::global): Likewise.
14068         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
14069         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
14070         (Target_x86_64::tls_base_symbol_defined_): New field.
14071         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
14072         (Target_x86_64::Scan::global): Likewise.
14073
14074 2008-04-16  Cary Coutant  <ccoutant@google.com>
14075
14076         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
14077         (Symbol::needs_plt_entry): Allow weak undefined symbols.
14078         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
14079         building shared libraries.
14080         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
14081         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
14082         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
14083         * testsuite/Makefile.in: Rebuild.
14084         * testsuite/weak_undef.h: New file.
14085         * testsuite/weak_undef_file1.cc: Add extra test cases.
14086         * testsuite/weak_undef_file2.cc: Likewise.
14087         * testsuite/weak_undef_test.cc: Likewise.
14088
14089 2008-04-16  David S. Miller  <davem@davemloft.net>
14090
14091         * sparc.cc (Target_sparc::Scan): Change from struct to class.
14092         Add issued_non_pic_error_ field.  Declare check_non_pic.
14093         (Target_sparc::Scan::check_non_pic): New function.
14094         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
14095         (Target_sparc::Scan::global): Likewise.
14096
14097         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
14098         * configure: Rebuild.
14099
14100         * options.h (DEFINE_enable): New macro.
14101         (new_dtags): New enable option.
14102         (initfirst, interpose, loadfltr, nodefaultlib,
14103         nodelete, nodlopen, nodump): New -z options.
14104         * layout.cc (Layout:finish_dynamic_section): If new
14105         dtags enabled, emit DT_RUNPATH.  Also, emit a
14106         DT_FLAGS_1 containing any specified -z flags.
14107
14108 2008-04-16  Ian Lance Taylor  <iant@google.com>
14109
14110         * copy-relocs.cc: New file.
14111         * copy-relocs.h: New file.
14112         * reloc.cc: Remove Copy_relocs code.
14113         * reloc.h: Likewise.
14114         * reloc-types.h (struct Reloc_types) [both versions]: Add
14115         get_reloc_addend_noerror.
14116         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
14117         variants of add_global which take an addend which must be zero.
14118         * i386.cc: Include "copy-relocs.h".
14119         (class Target_i386): Change type of copy_relocs_ to variable,
14120         update initializer.
14121         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
14122         Change all callers.
14123         (Target_i386::do_finalize_sections): Change handling of
14124         copy_relocs_.
14125         * sparc.cc: Include "copy-relocs.h".
14126         (class Target_sparc): Change type of copy_relocs_ to variable,
14127         update initializer.
14128         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
14129         Change all callers.
14130         (Target_sparc::do_finalize_sections): Change handling of
14131         copy_relocs_.
14132         * x86_64.cc: Include "copy-relocs.h".
14133         (class Target_x86_64): Change type of copy_relocs_ to variable,
14134         update initializer.
14135         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
14136         class.  Change all callers.
14137         (Target_x86_64::do_finalize_sections): Change handling of
14138         copy_relocs_.
14139         * Makefile.am (CCFILES): Add copy-relocs.cc.
14140         (HFILES): Add copy-relocs.h.
14141
14142         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
14143
14144         * testsuite/script_test_4.sh: Permit leading zeroes.
14145
14146 2008-04-15  Ian Lance Taylor  <iant@google.com>
14147
14148         * script-sections.cc (Script_sections::create_segments): Use
14149         header_size_adjustment even when there is enough room for the
14150         headers.
14151         * testsuite/script_test_4.sh: New file.
14152         * testsuite/script_test_4.t: New file.
14153         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
14154         (check_DATA): Add script_test_4.stdout.
14155         (MOSTLYCLEANFILES): Likewise.
14156         (script_test_4): New target.
14157         (script_test_4.stdout): New target.
14158         * testsuite/Makefile.in: Rebuild.
14159
14160         * sparc.cc: Add definitions for Output_data_plt_sparc class
14161         constants.
14162
14163 2008-04-14  David S. Miller  <davem@davemloft.net>
14164
14165         * sparc.cc: New file.
14166         * Makefile.am (TARGETSOURCES): Add sparc.cc
14167         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
14168         * configure.tgt: Document targ_extra_size and
14169         targ_extra_big_endian.  Add entries for sparc-* and
14170         sparc64-*.
14171         * configure.ac: Handle targ_extra_size and
14172         targ_extra_big_endian.
14173         * Makefile.in: Rebuild.
14174         * configure: Likewise.
14175         * po/POTFILES.in: Likewise.
14176         * po/gold.pot: Likewise.
14177
14178 2008-04-14  Ian Lance Taylor  <iant@google.com>
14179
14180         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
14181         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
14182         in the name/type/flags to section mapping.  Don't call
14183         allocate_output_section.
14184         (Layout::choose_output_section): Change parameter from adjust_name
14185         to is_input_section.  Don't permit input sections after sections
14186         are attached to segments.  Don't call allocate_output_section.
14187         (Layout::layout_eh_frame): Call update_flags_for_input_section,
14188         not write_enable_output_section.
14189         (Layout::make_output_section): Don't push to
14190         unattached_section_list_ nor call attach_to_segment.  Call
14191         attach_section_to_segment if sections are attached.
14192         (Layout::attach_sections_to_segments): New function.
14193         (Layout::attach_section_to_segment): New function.
14194         (Layout::attach_allocated_section_to_segment): Rename from
14195         attach_to_segment.  Remove flags parameter.
14196         (Layout::allocate_output_section): Remove function.
14197         (Layout::write_enable_output_section): Remove function.
14198         * layout.h (class Layout): Update for above changes.  Add new
14199         field sections_are_attached_.
14200         * output.h (Output_section::update_flags_for_input_section): New
14201         function.
14202         * output.cc (Output_section::add_input_section): Call
14203         update_flags_for_input_section.
14204         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
14205
14206 2008-04-11  Cary Coutant  <ccoutant@google.com>
14207
14208         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
14209         thought unnecessary.
14210         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
14211
14212 2008-04-11  Ian Lance Taylor  <iant@google.com>
14213
14214         * output.h (class Output_section_data): Remove inline definition
14215         of set_addralign.
14216         * output.cc (Output_section_data::set_addralign): New function.
14217
14218 2008-04-11  Cary Coutant  <ccoutant@google.com>
14219
14220         Add support for TLS descriptors for i386 and x86_64.
14221         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
14222         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
14223         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
14224         GOT_TYPE_TLS_DESC.
14225         (Target_i386::got_mod_index_entry): Remove unnecessary code.
14226         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
14227         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
14228         relocations.
14229         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
14230         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
14231         Fix problem with initial-exec relocations.
14232         (Target_i386::Relocate::relocate_tls): Likewise.
14233         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
14234         relaxation.
14235         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
14236         support for section-plus-offset dynamic table entries.
14237         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
14238         (Output_data_dynamic::Dynamic_entry): Add support for
14239         section-plus-offset dynamic table entries.
14240         (Output_data_dynamic::Classification): Likewise.
14241         (Output_data_dynamic::classification_): Renamed offset_.
14242         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
14243         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
14244         (Target_x86_64::make_plt_section): New function.
14245         (Target_x86_64::reserve_tlsdesc_entries): New function.
14246         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
14247         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
14248         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
14249         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
14250         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
14251         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
14252         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
14253         add extra PLT entry for TLS descriptors.
14254         (Output_data_plt_x86_64::got_): New field.
14255         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
14256         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
14257         fields.
14258         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
14259         descriptors.
14260         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
14261         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
14262         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
14263         R_386_TLS_DESC_CALL relocations.
14264         (Target_x86_64::Scan::global): Likewise.
14265         (Target_x86_64::do_finalize_sections): Add dynamic table entries
14266         for TLS descriptors.
14267         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
14268         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
14269         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
14270         GD-to-IE relaxation.
14271         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
14272         and TLS_DESCRIPTORS.
14273         * Makefile.in: Rebuild.
14274         * configure: Rebuild.
14275         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
14276         (tls_test_shared2.so): New target.
14277         (tls_shared_gd_to_ie_test_SOURCES): New variable.
14278         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
14279         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
14280         (tls_shared_gd_to_ie_test_LDADD): New variable.
14281         (tls_shared_gnu2_gd_to_ie_test): New target.
14282         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
14283         New targets.
14284         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
14285         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
14286         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
14287         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
14288         (tls_shared_gnu2_test): New target.
14289         (tls_test_gnu2_shared.so): New target.
14290         (tls_shared_gnu2_test_SOURCES): New variable.
14291         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
14292         (tls_shared_gnu2_test_LDFLAGS): New variable.
14293         (tls_shared_gnu2_test_LDADD): New variable.
14294         * testsuite/Makefile.in: Rebuild.
14295         * testsuite/Makefile.
14296
14297 2008-04-11  Ian Lance Taylor  <iant@google.com>
14298
14299         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
14300         justsyms.t.
14301         * testsuite/Makefile.in: Rebuild.
14302
14303         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
14304         long.
14305         * testsuite/script_test_2.cc (main): Adjust test.
14306
14307 2008-04-11  David S. Miller  <davem@davemloft.net>
14308             Ian Lance Taylor  <iant@google.com>
14309
14310         * options.h (General_options): Add entries for '-Y' and
14311         '-relax'.
14312         * options.cc (General_options:finalize): If -Y was used, add those
14313         entries to the library path instead of the default "/lib" and
14314         "/usr/lib".
14315
14316 2008-04-11  David S. Miller  <davem@davemloft.net>
14317
14318         * testsuite/justsyms.t: Start at 0x100.
14319         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
14320         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
14321         long.
14322         * testsuite/script_test_2.cc: Adjust string and section length
14323         checks.
14324
14325 2008-04-09  Ian Lance Taylor  <iant@google.com>
14326
14327         PR gold/5996
14328         * script-sections.cc (Sections_element::allocate_to_segment): Add
14329         orphan parameter.
14330         (Output_section_definition::allocate_to_segment): Likewise.
14331         (Orphan_output_section::allocate_to_segment): Likewise.
14332         (Script_sections::attach_sections_using_phdrs_clause): Don't
14333         propagate non-PT_LOAD segments to orphan sections.
14334         * testsuite/Makefile.am (script_test_3.stdout): Generate using
14335         readelf rather than objdump.
14336         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
14337         .interp section and PT_INTERP segment are the same size.
14338         * testsuite/Makefile.in: Rebuild.
14339
14340         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
14341         aliases for symbols defined in the same object.
14342         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
14343         (weak_alias_test_SOURCES): New variable.
14344         (weak_alias_test_DEPENDENCIES): New variable.
14345         (weak_alias_test_LDFLAGS): New variable.
14346         (weak_alias_test_LDADD): New variable.
14347         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
14348         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
14349         (weak_alias_test_3.o): New target.
14350         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
14351         * testsuite/weak_alias_test_main.cc: New file.
14352         * testsuite/weak_alias_test_1.cc: New file.
14353         * testsuite/weak_alias_test_2.cc: New file.
14354         * testsuite/weak_alias_test_3.cc: New file.
14355
14356 2008-04-08  Ian Lance Taylor  <iant@google.com>
14357
14358         * options.h (class General_options): Add --noinhibit-exec option.
14359         * main.cc (main): Check --noinhibit-exec.
14360
14361         * options.h (class General_options): Define --wrap as a special
14362         option.  Add wrap_symbols_ field.
14363         (General_options::any_wrap_symbols): New function.
14364         (General_options::is_wrap_symbol): New function.
14365         * options.cc (General_options::parse_wrap): New function.
14366         (General_options::General_options): Initialize wrap_symbols_.
14367         * symtab.cc (Symbol_table::wrap_symbol): New function.
14368         (Symbol_table::add_from_object): Handle --wrap.
14369         * symtab.h (class Symbol_table): Declare wrap_symbol.
14370         * target.h (Target::wrap_char): New function.
14371         (Target::Target_info): Add wrap_char field.
14372         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
14373         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
14374         * testsuite/testfile.cc (Target_test::test_target_info):
14375         Likewise.
14376
14377         * errors.cc (Errors::undefined_symbol): Mention symbol version if
14378         there is one.
14379
14380         * layout.h (class Layout): Add added_eh_frame_data_ field.
14381         * layout.cc (Layout::Layout): Initialize new field.
14382         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
14383         output section until we find a section we merged successfully.
14384         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
14385         that the size be non-zero.
14386
14387         * merge.cc (Object_merge_map::get_output_offset): Remove inline
14388         qualifier.
14389
14390 2008-04-08  Craig Silverstein  <csilvers@google.com>
14391
14392         * configure.ac: Export new conditional variable HAVE_ZLIB.
14393         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
14394         on HAVE_ZLIB.
14395         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
14396         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14397
14398 2008-04-07  Ian Lance Taylor  <iant@google.com>
14399
14400         * version.cc (version_string): Set to "1.5".
14401
14402         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
14403         Add issued_non_pic_error_ field.  Declare check_non_pic.
14404         (Target_x86_64::Scan::check_non_pic): New function.
14405         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
14406         (Target_x86_64::Scan::global): Likewise.
14407
14408         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
14409         addend parameter.  Change caller.  Handle merge sections.
14410         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
14411         Address to Addend.  Don't add in the result of
14412         local_section_offset, pass down the addend and use the returned
14413         value.
14414         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
14415         Update declarations of local_section_offset and symbol_value.
14416         * testsuite/two_file_test_1.cc (t18): New function.
14417         * testsuite/two_file_test_2.cc (f18): New function.
14418         * testsuite/two_file_test_main.cc (main): Call t18.
14419         * testsuite/two_file_test.h (t18, f18): Declare.
14420
14421         * configure.ac: Don't test for objdump, c++filt, or readelf.
14422         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
14423         conditionals.
14424         (TEST_READELF): New variable.
14425         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
14426         (check_PROGRAMS): Add two_file_strip_test.
14427         (two_file_strip_test): New target.
14428         (check_PROGRAMS): Add two_file_same_shared_strip_test.
14429         (two_file_same_shared_strip_test_SOURCES): New variable.
14430         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
14431         (two_file_same_shared_strip_test_LDFLAGS): New variable.
14432         (two_file_same_shared_strip_test_LDADD): New variable.
14433         (two_file_shared_strip.so): New target.
14434         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
14435         (ver_test_5.syms, ver_test_7.syms): Likewise.
14436         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
14437         (strip_test_3.stdout): Use TEST_OBJDUMP.
14438         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14439
14440 2008-04-04  Cary Coutant  <ccoutant@google.com>
14441
14442         * symtab.h (Symbol::is_weak_undefined): New function.
14443         (Symbol::is_strong_undefined): New function.
14444         (Symbol::is_absolute): New function.
14445         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
14446         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
14447         absolute symbols.
14448         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
14449         (weak_undef_test): New target.
14450         * testsuite/Makefile.in: Rebuild.
14451         * testsuite/weak_undef_file1.cc: New file.
14452         * testsuite/weak_undef_file2.cc: New file.
14453         * testsuite/weak_undef_test.cc: New file.
14454
14455 2008-04-03  Craig Silverstein  <csilvers@google.com>
14456
14457         * compressed_output.h (class Output_compressed_section): Use
14458         unsigned buffer.
14459         * compressed_output.cc (zlib_compress): Use unsigned buffers,
14460         add zlib header.
14461         (zlib_compressed_suffix): Removed.
14462         (Output_compressed_section::set_final_data_size): Use unsigned
14463         buffers.
14464         * testsuite/Makefile.am (flagstest_compress_debug_sections):
14465         Fix linker invocation.
14466         (flagstest_o_specialfile_and_compress_debug_sections):
14467         Likewise.
14468         * testsuite/Makefile.in: Regenerated.
14469
14470 2008-04-02  David S. Miller  <davem@davemloft.net>
14471
14472         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
14473         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
14474
14475 2008-04-02  Craig Silverstein  <csilvers@google.com>
14476
14477         * TODO: New file.
14478
14479 2008-04-02  Ian Lance Taylor  <iant@google.com>
14480
14481         * fileread.cc (File_read::find_view): Add byteshift and vshifted
14482         parameters.  Update for new key type to views_.  Change all
14483         callers.
14484         (File_read::read): Adjust for byteshift in returned view.
14485         (File_read::add_view): New function, broken out of
14486         find_and_make_view.
14487         (File_read::make_view): New function, broken out of
14488         find_and_make_view.
14489         (File_read::find_or_make_view): Add offset and aligned
14490         parameters.  Rewrite accordingly.  Change all callers.
14491         (File_read::get_view): Add offset and aligned parameters.  Adjust
14492         for byteshift in return value.
14493         (File_read::get_lasting_view): Likewise.
14494         * fileread.h (class File_read): Update declarations.
14495         (class File_read::View): Add byteshift_ field.  Add byteshift to
14496         constructor.  Add byteshift method.
14497         * archive.h (Archive::clear_uncached_views): New function.
14498         (Archive::get_view): Add aligned parameter.  Change all callers.
14499         * object.h (Object::get_view): Add aligned parameter.  Change all
14500         callers.
14501         (Object::get_lasting_view): Likewise.
14502
14503         * fileread.cc (File_read::release): Don't call clear_views if
14504         there are multiple objects.
14505         * fileread.h (File_read::clear_uncached_views): New function.
14506         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
14507         on the archive.
14508
14509 2008-03-31  Cary Coutant  <ccoutant@google.com>
14510
14511         Add thin archive support.
14512         * archive.cc (Archive::armagt): New const.
14513         (Archive::setup): Remove task parameter and calls to unlock.
14514         (Archive::unlock_nested_archives): New function.
14515         (Archive::read_header): Add nested_off parameter. Change
14516         all callers.
14517         (Archive::interpret_header): Likewise.
14518         (Archive::include_all_members): Change to handle thin
14519         archives.
14520         (Archive::include_member): Likewise.
14521         * archive.h (Archive::Archive): Add new parameters and
14522         initializers.
14523         (Archive::armagt): New const.
14524         (Archive::setup): Remove task parameter.
14525         (Archive::unlock_nested_archives): New function.
14526         (Archive::read_header): Add nested_off parameter.
14527         (Archive::interpret_header): Likewise.
14528         (Archive::Nested_archive_table): New typedef.
14529         (Archive::is_thin_archive_): New field.
14530         (Archive::nested_archives_): New field.
14531         (Archive::options_): New field.
14532         (Archive::dirpath_): New field.
14533         (Archive::task_): New field.
14534         * readsyms.cc (Read_symbols::do_read_symbols): Add check
14535         for thin archives.  Pass additional parameters to
14536         Archive::Archive.  Unlock the archive file after calling
14537         Archive::setup.
14538
14539 2008-03-29  Ian Lance Taylor  <iant@google.com>
14540
14541         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
14542         version symbol to be local.
14543         * testsuite/ver_test_4.sh: New file.
14544         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
14545         (check_DATA): Add ver_test_4.syms.
14546         (ver_test_4.syms): New target.
14547         * testsuite/Makefile.in: Rebuild.
14548
14549         * output.cc
14550         (Output_section::Input_section_sort_entry::has_priority): New
14551         function.
14552         (Output_section::Input_section_sort_entry::match_file_name): New
14553         function.
14554         (Output_section::Input_section_sort_entry::match_section_name):
14555         Remove.
14556         (Output_section::Input_section_sort_entry::match_section_name_prefix):
14557         Remove.
14558         (Output_section::Input_section_sort_entry::match_section_file):
14559         Remove.
14560         (Output_section::Input_section_sort_compare::operator()): Rewrite
14561         using new Input_section_sort_entry functions.  Sort crtbegin and
14562         crtend first.  Sort sections with no priority before sections with
14563         a priority.
14564         * testsuite/initpri1.c (d3): Check j != 4.
14565         (cd5): New constructor/destructor function.
14566         (main): Check j != 2.
14567
14568         * symtab.cc (Symbol_table::add_from_object): If we don't use the
14569         new symbol when resolving, don't call set_is_default.
14570         * testsuite/ver_test_7.cc: New file.
14571         * testsuite/ver_test_7.sh: New file.
14572         * testsuite/Makefile.am (ver_test_7.so): New target.
14573         (ver_test_7.o): New target.
14574         (check_SCRIPTS): Add ver_test_7.sh.
14575         (check_DATA): Add ver_test_7.syms.
14576         (ver_test_7.syms): New target.
14577
14578 2008-03-28  Ian Lance Taylor  <iant@google.com>
14579
14580         * layout.cc (Layout::layout): If we see an input section with a
14581         name that needs sorting, set the must_sort flag for the output
14582         section.
14583         (Layout::make_output_section): If the name of the output section
14584         indicates that it might require sorting, set the may_sort flag.
14585         * output.h (Output_section::may_sort_attached_input_sections): New
14586         function.
14587         (Output_section::set_may_sort_attached_input_sections): New
14588         function.
14589         (Output_section::must_sort_attached_input_sections): New
14590         function.
14591         (Output_section::set_must_sort_attached_input_sections): New
14592         function.
14593         (class Output_section): Declare Input_section_sort_entry.  Define
14594         Input_section_sort_compare.  Declare
14595         sort_attached_input_sections.  Add new fields:
14596         may_sort_attached_input_sections_,
14597         must_sort_attached_input_sections_,
14598         attached_input_sections_are_sorted_.
14599         * output.cc (Output_section::Output_section): Initialize new
14600         fields.
14601         (Output_section::add_input_section): Add an entry to
14602         input_sections_ if may_sort or must_sort are true.
14603         (Output_section::set_final_data_size): Call
14604         sort_attached_input_sections if necessary.
14605         (Output_section::Input_section_sort_entry): Define new class.
14606         (Output_section::Input_section_sort_compare::operator()): New
14607         function.
14608         (Output_section::sort_attached_input_sections): New function.
14609         * configure.ac: Check whether the compiler supports constructor
14610         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
14611         * testsuite/initpri1.c: New file.
14612         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
14613         CONSTRUCTOR_PRIORITY.
14614         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
14615         (initpri1_LDFLAGS): New variable.
14616         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14617
14618 2008-03-27  Ian Lance Taylor  <iant@google.com>
14619
14620         * common.cc (Sort_commons::operator): Correct sorting algorithm.
14621         * testsuite/common_test_1.c: New file.
14622         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
14623         (common_test_1_SOURCES): New variable.
14624         (common_test_1_DEPENDENCIES): New variable.
14625         (common_test_1_LDFLAGS): New variable.
14626
14627         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
14628         and commons_ correctly when NAME/VERSION does not override
14629         NAME/NULL.
14630         * testsuite/ver_test_6.c: New file.
14631         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
14632         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
14633         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
14634
14635 2008-03-26  Ian Lance Taylor  <iant@google.com>
14636
14637         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
14638         of an undefined symbol from a version script.
14639         * testsuite/Makefile.am (ver_test_5.so): New target.
14640         (ver_test_5.o): New target.
14641         (check_SCRIPTS): Add ver_test_5.sh.
14642         (check_DATA): Add ver_test_5.syms.
14643         (ver_test_5.syms): New target.
14644         * testsuite/ver_test_5.cc: New file.
14645         * testsuite/ver_test_5.script: New file.
14646         * testsuite/ver_test_5.sh: New file.
14647         * Makefile.in, testsuite/Makefile.in: Rebuild.
14648
14649         PR gold/5986
14650         Fix problems building gold with gcc 4.3.0.
14651         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
14652         (gold_error_at_location, gold_warning_at_location): Use it.
14653         * configure.ac: Check whether we can compile and use a template
14654         function with a printf attribute.
14655         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
14656         when jumping over bytes.
14657         * object.cc: Instantiate Object::read_section_data.
14658         * debug.h: Include <cstring>
14659         * dwarf_reader.cc: Include <algorithm>
14660         * main.cc: Include <cstring>.
14661         * options.cc: Include <cstring>.
14662         * output.cc: Include <cstring>.
14663         * script.cc: Include <cstring>.
14664         * script.h: Include <string>.
14665         * symtab.cc: Include <cstring> and <algorithm>.
14666         * target-select.cc: Include <cstring>.
14667         * version.cc: Include <string>.
14668         * testsuite/testmain.cc: Include <cstdlib>.
14669         * configure, config.in: Rebuild.
14670
14671 2008-03-25  Ian Lance Taylor  <iant@google.com>
14672
14673         * options.cc: Include "../bfd/bfdver.h".
14674         (options::help): Print bug reporting address.
14675
14676         * version.cc (print_version): Adjust output for current value of
14677         BFD_VERSION_STRING.
14678
14679         * NEWS: New file.
14680
14681         * options.cc (options::help): Print list of supported targets.
14682         * target-select.h: Include <vector>.
14683         (class Target_selector): Make machine_, size_, and is_big_endian_
14684         fields const.  Add bfd_name_ and instantiated_target_ fields.
14685         (Target_selector::Target_selector): Add bfd_name parameter.
14686         (Target_selector::recognize): Make non-virtual, call
14687         do_recognize.
14688         (Target_selector::recognize_by_name): Make non-virtual, call
14689         do_recognize_by_name.
14690         (Target_selector::supported_names): New function.
14691         (Target_selector::bfd_name): New function.
14692         (Target_selector::do_instantiate_target): New pure virtual
14693         function.
14694         (Target_selector::do_recognize): New virtual function.
14695         (Target_selector::do_recognize_by_name): New virtual function.
14696         (Target_selector::instantiate_target): New private function.
14697         (supported_target_names): Declare.
14698         * target-select.cc (Target_selector::Target_selector): Update for
14699         new parameter and fields.
14700         (select_target_by_name): Check that the name matches before
14701         calling recognize_by_name.
14702         (supported_target_names): New function.
14703         * i386.cc (class Target_selector_i386): Update Target_selector
14704         constructor call.  Remove recognize and recognize_by_name.  Add
14705         do_instantiate_target.
14706         * x86_64.cc (class Target_selector_x86_64): Likewise.
14707         * testsuite/testfile.cc (class Target_selector_test): Update for
14708         changes to Target_selector.
14709
14710         * README: Rewrite, with some notes on unsupported features.
14711
14712 2008-03-24  Cary Coutant  <ccoutant@google.com>
14713
14714         * i386.cc (Target_i386::Got_type): New enum declaration.
14715         (Target_i386::Scan::local): Updated callers of Output_data_got
14716         member functions.
14717         (Target_i386::Scan::global): Likewise.
14718         (Target_i386::Relocate::relocate): Likewise.
14719         (Target_i386::Relocate::relocate_tls): Likewise.
14720         * object.h (Got_offset_list): New class.
14721         (Sized_relobj::local_has_got_offset): Added got_type parameter.
14722         (Sized_relobj::local_got_offset): Likewise.
14723         (Sized_relobj::set_local_got_offset): Likewise.
14724         (Sized_relobj::local_has_tls_got_offset): Removed.
14725         (Sized_relobj::local_tls_got_offset): Removed.
14726         (Sized_relobj::set_local_tls_got_offset): Removed.
14727         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
14728         * output.cc (Output_data_got::add_global): Added got_type parameter.
14729         (Output_data_got::add_global_with_rel): Likewise.
14730         (Output_data_got::add_global_with_rela): Likewise.
14731         (Output_data_got::add_global_pair_with_rel): New function.
14732         (Output_data_got::add_global_pair_with_rela): New function.
14733         (Output_data_got::add_local): Added got_type parameter.
14734         (Output_data_got::add_local_with_rel): Likewise.
14735         (Output_data_got::add_local_with_rela): Likewise.
14736         (Output_data_got::add_local_pair_with_rel): New function.
14737         (Output_data_got::add_local_pair_with_rela): New function.
14738         (Output_data_got::add_global_tls): Removed.
14739         (Output_data_got::add_global_tls_with_rel): Removed.
14740         (Output_data_got::add_global_tls_with_rela): Removed.
14741         (Output_data_got::add_local_tls): Removed.
14742         (Output_data_got::add_local_tls_with_rel): Removed.
14743         (Output_data_got::add_local_tls_with_rela): Removed.
14744         * output.h (Output_data_got::add_global): Added got_type parameter.
14745         (Output_data_got::add_global_with_rel): Likewise.
14746         (Output_data_got::add_global_with_rela): Likewise.
14747         (Output_data_got::add_global_pair_with_rel): New function.
14748         (Output_data_got::add_global_pair_with_rela): New function.
14749         (Output_data_got::add_local): Added got_type parameter.
14750         (Output_data_got::add_local_with_rel): Likewise.
14751         (Output_data_got::add_local_with_rela): Likewise.
14752         (Output_data_got::add_local_pair_with_rel): New function.
14753         (Output_data_got::add_local_pair_with_rela): New function.
14754         (Output_data_got::add_global_tls): Removed.
14755         (Output_data_got::add_global_tls_with_rel): Removed.
14756         (Output_data_got::add_global_tls_with_rela): Removed.
14757         (Output_data_got::add_local_tls): Removed.
14758         (Output_data_got::add_local_tls_with_rel): Removed.
14759         (Output_data_got::add_local_tls_with_rela): Removed.
14760         * resolve.cc (Symbol::override_base_with_special): Removed
14761         reference to has_got_offset_ field.
14762         * symtab.cc (Symbol::init_fields): Replaced initialization
14763         of got_offset_ with got_offsets_.  Removed initialization
14764         of has_got_offset_
14765         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
14766         (Symbol::got_offset): Likewise.
14767         (Symbol::set_got_offset): Likewise.
14768         (Symbol::has_tls_got_offset): Removed.
14769         (Symbol::tls_got_offset): Removed.
14770         (Symbol::set_tls_got_offset): Removed.
14771         (Symbol::got_offset_): Removed.
14772         (Symbol::tls_mod_got_offset_): Removed.
14773         (Symbol::tls_pair_got_offset_): Removed.
14774         (Symbol::got_offsets_): New field.
14775         (Symbol::has_got_offset): Removed.
14776         (Symbol::has_tls_mod_got_offset): Removed.
14777         (Symbol::has_tls_pair_got_offset): Removed.
14778         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
14779         (Target_x86_64::Scan::local): Updated callers of Output_data_got
14780         member functions.
14781         (Target_x86_64::Scan::global): Likewise.
14782         (Target_x86_64::Relocate::relocate): Likewise.
14783         (Target_x86_64::Relocate::relocate_tls): Likewise.
14784
14785 2008-03-25  Ben Elliston  <bje@au.ibm.com>
14786
14787         * yyscript.y: Fix spelling error in comment.
14788
14789 2008-03-24  Ian Lance Taylor  <iant@google.com>
14790
14791         * options.h (class General_options): Define build_id option.
14792         * layout.h (class Layout): Declare write_build_id, create_note,
14793         create_build_id.  Add build_id_note_ member.
14794         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
14795         "libiberty.h", "md5.h", "sha1.h".
14796         (Layout::Layout): Initialize eh_frame_data_,
14797         eh_frame_hdr_section_, and build_id_note_.
14798         (Layout::finalize): Call create_build_id.
14799         (Layout::create_note): New function, broken out of
14800         Layout::create_gold_note.
14801         (Layout::create_gold_note): Call create_note.
14802         (Layout::create_build_id): New function.
14803         (Layout::write_build_id): New function.
14804         (Close_task_runner::run): Call write_build_id.
14805
14806         * x86_64.cc: Correct license to GPLv3.
14807
14808 2008-03-23  Ian Lance Taylor  <iant@google.com>
14809
14810         * options.cc: Include "demangle.h".
14811         (parse_optional_string): New function.
14812         (parse_long_option): Handle takes_optional_argument.
14813         (parse_short_option): Update dash_z initializer.  Handle
14814         takes_optional_argument.
14815         (General_options::General_options): Initialize do_demangle_.
14816         (General_options::finalize): Set do_demangle_.  Handle demangling
14817         style.
14818         * options.h (parse_optional_string): Declare.
14819         (struct One_option): Add optional_arg field.  Update constructor.
14820         Update call constructor calls.  Add takes_optional_argument
14821         function.
14822         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
14823         (DEFINE_optional_string): Define.
14824         (General_options::demangle): Change from DEFINE_bool to
14825         DEFINE_optional_string.
14826         (General_options::no_demangle): New function.
14827         (General_options::do_demangle): New function.
14828         (General_options::set_do_demangle): New function.
14829         (General_options::execstack_status_): Move definition to end of
14830         class definition.
14831         (General_options::static_): Likewise.
14832         (General_options::do_demangle_): New field.
14833         * object.cc (big_endian>::get_symbol_location_info): Call
14834         Options::do_demangle, not Options::demangle.
14835         * symtab.cc (demangle): Likewise.
14836
14837 2008-03-22  Ian Lance Taylor  <iant@google.com>
14838
14839         * gold.h: Include <cstddef> and <sys/types.h>
14840         * options.h: Include <cstring>.
14841
14842 2008-03-21  Ian Lance Taylor  <iant@google.com>
14843
14844         * Added source code to GNU binutils.
14845 \f
14846 Copyright (C) 2008-2013 Free Software Foundation, Inc.
14847
14848 Copying and distribution of this file, with or without modification,
14849 are permitted in any medium without royalty provided the copyright
14850 notice and this notice are preserved.
14851
14852 Local Variables:
14853 mode: change-log
14854 left-margin: 8
14855 fill-column: 74
14856 version-control: never
14857 End: