gold/ChangeLog

   1 2013-03-13  Alan Modra  <amodra@gmail.com>
   2
   3         * powerpc.cc (is_branch_reloc): Forward declare.
   4         (Target_powerpc::do_can_check_for_function_pointers): New predicate.
   5         (Target_powerpc::Scan::local_reloc_may_be_function_pointer): Return
   6         false for 64-bit, true for 32-bit non-branch relocs.
   7         (Target_powerpc::Scan::global_reloc_may_be_function_pointer): Likewise.
   8         * testsuite/Makefile.am (icf_test): Use linker map file instead of
   9         nm output.
  10         (icf_safe_test): Generate linker map file as well as nm output.
  11         (icf_safe_so_test): Likewise.
  12         * testsuite/Makefile.in: Regenerate.
  13         * testsuite/icf_test.sh: Parse linker map file to determine
  14         section folding.
  15         * testsuite/icf_safe_test.sh: Likewise.  Expect folding for PowerPC.
  16         * testsuite/icf_safe_so_test.sh: Likewise.
  17         (X86_32_or_ARM_specific_safe_fold): Merge into..
  18         (arch_specific_safe_fold): ..this.
  19         (X86_64_specific_safe_fold): Delete unused function.
  20
  21 2013-03-12  Alan Modra  <amodra@gmail.com>
  22
  23         * gc.h (gc_process_relocs): Look through function descriptors
  24         to determine shndx, symvalue and addend used by ICF.  Tidy
  25         variable duplication.
  26
  27 2013-03-11  Alan Modra  <amodra@gmail.com>
  28
  29         * gold.cc (queue_middle_tasks): Move detect_odr_violations..
  30         * layout.cc (Layout_task_runner::run): ..to here.
  31         * symtab.h (struct Symbol_location): Extract from..
  32         (class Symbol_table): ..here.
  33         * symtab.cc (Symbol_table::linenos_from_loc): Invoke function_location.
  34         * target.h (class Target): Add function_location and
  35         do_function_location functions.
  36         (class Sized_target): Add do_function_location.
  37         * object.h (class Sized_relobj_file): Move find_shdr..
  38         (class Object): ..to here.
  39         * object.cc: Likewise.  Update to suit.  Instantiate.
  40         (Sized_relobj_file::find_eh_frame): Update find_shdr call.
  41         * powerpc.cc (class Powerpc_dynobj): New.
  42         (Target_powerpc::do_function_location): New function.
  43         (Powerpc_relobj::do_find_special_sections): Update find_shdr call.
  44         (Powerpc_dynobj::do_read_symbols): New function.
  45         (Target_powerpc::do_make_elf_object): Make a Powerpc_dynobj.
  46
  47 2013-03-08  Ian Lance Taylor  <iant@google.com>
  48
  49         * options.cc (General_options::string_to_object_format): Accept
  50         "default".
  51
  52 2013-03-08  Alan Modra  <amodra@gmail.com>
  53
  54         * ehframe.h (Post_fdes) Make it a vector of Post_fde rather than
  55         pointer to Post_fde.
  56         (struct Post_fde): Move definition to here..
  57         * ehframe.cc (struct Post_fde): ..from here.
  58         (Cie::write): Don't alloc Post_fde.
  59         (Eh_frame::do_sized_write): Update.  Don't free Post_fde.
  60
  61 2013-03-07  Alan Modra  <amodra@gmail.com>
  62
  63         * testsuite/discard_locals_relocatable_test.c: Add a powerpc
  64         relocation referencing .LC0.
  65         * testsuite/discard_locals_test.sh: Remove FIXMEs.
  66
  67 2013-03-07  Alan Modra  <amodra@gmail.com>
  68
  69         * testsuite/ifunc-sel.h (ifunc_sel, ifunc_one): Mark
  70         always_inline.  Add assembly for powerpc to avoid GOT.
  71
  72 2013-03-07  Alan Modra  <amodra@gmail.com>
  73
  74         * testsuite/script_test_10.sh: Don't test .bss section
  75         header number.
  76
  77 2013-03-06  Alan Modra  <amodra@gmail.com>
  78
  79         * powerpc.cc (class Powerpc_relobj): Move some member functions.
  80         (Target_powerpc::symval_for_branch):  Add symtab param.  Update
  81         all callers.  Handle folded sections.
  82         (Target_powerpc::do_gc_add_reference): Don't cast dynamic object
  83         to Powerpc_relobj.
  84         (Global_symbol_visitor_opd::operator()): Likewise.
  85
  86 2013-03-04  Alan Modra  <amodra@gmail.com>
  87
  88         * testsuite/Makefile.am (final_layout_script.lds): Add .sbss.
  89         * testsuite/Makefile.in: Regenerate.
  90
  91 2013-03-01  Cary Coutant  <ccoutant@google.com>
  92
  93         Add dwp support for v2 DWARF package file format.
  94         * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
  95         tu_length parameter.  Adjust all callers.
  96         * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
  97         * dwp.cc: Include dwarf.h.
  98         (Section_bounds): New struct type.
  99         (Unit_set): New struct type.
 100         (Dwo_file::Dwo_file): Initialize new data member.
 101         (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
 102         Combine and rename to...
 103         (Dwo_file::read_unit_index): ...this.
 104         (Dwo_file::sized_read_compunit_index)
 105         (Dwo_file::sized_read_typeunit_index): Combine and rename to...
 106         (Dwo_file::sized_read_unit_index): ...this.
 107         (Dwo_file::copy_section): Remove section_name, is_str_offsets
 108         parameters; add section_id parameter.
 109         (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
 110         (Dwo_file::add_unit_set): ...this.
 111         (Dwo_file::shndx_map_): Remove.
 112         (Dwo_file::sect_offsets_): New data member.
 113         (Dwp_output_file::Dwp_output_file): Initialize new data members.
 114         (Dwp_output_file::add_section): Rename to...
 115         (Dwp_output_file::add_contribution): ...this.
 116         (Dwp_output_file::add_cu_set): Combine parameters into a struct.
 117         (Dwp_output_file::add_tu_set): Likewise.
 118         (Dwp_output_file::Contribution): New type.
 119         (Dwp_output_file::Section::contributions): New data member.
 120         (Dwp_output_file::Cu_or_tu_set): Remove.
 121         (Dwp_output_file::Section::Section): New ctor.
 122         (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
 123         (Dwp_output_file::Dwp_index::Section_table): New type.
 124         (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
 125         (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
 126         parameter.
 127         (Dwp_output_file::Dwp_index::shndx_pool): Remove.
 128         (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
 129         (Dwp_output_file::Dwp_index::section_table): New member function.
 130         (Dwp_output_file::Dwp_index::section_table_end): New member function.
 131         (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
 132         (Dwp_output_file::Dwp_index::section_table_rows): New member function.
 133         (Dwp_output_file::Dwp_index::section_table_cols): New member function.
 134         (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
 135         (Dwp_output_file::Dwp_index::section_table_): New data member.
 136         (Dwp_output_file::Dwp_index::section_mask_): New data member.
 137         (Dwp_output_file::add_output_section): New member function.
 138         (Dwp_output_file::write_new_section): New member function.
 139         (Dwp_output_file::write_contributions): New member function.
 140         (Dwp_output_file::section_id_map_): New data member.
 141         (class Dwo_id_info_reader): Remove.
 142         (class Unit_reader): New class.
 143         (get_dwarf_section_name): New function.
 144         (Dwo_file::read_executable): Adjust initializations of class data.
 145         (Dwo_file::read): Add support for v2 package file format.
 146         (Dwo_file::read_unit_index): Likewise.
 147         (Dwo_file::sized_read_unit_index): Likewise.
 148         (Dwo_file::copy_section): Likewise.
 149         (Dwo_file::add_unit_set): Likewise.
 150         (Dwp_output_file::add_output_section): Likewise.
 151         (Dwp_output_file::add_contribution): Likewise.
 152         (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
 153         for empty slot.
 154         (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
 155         file format.
 156         (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
 157         slot.
 158         (Dwp_output_file::initialize): Remove unused function.
 159         (Dwp_output_file::finalize): Add support for v2 package file format.
 160         (Dwp_output_file::write_index): Likewise.
 161         * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
 162         function prototype.
 163
 164 2013-03-01  Cary Coutant  <ccoutant@google.com>
 165
 166         * dwarf_reader.cc (Dwarf_info_reader::check_buffer): Move
 167         function into class definition in header file.
 168         (Dwarf_info_reader::warn_corrupt_debug_section): New function.
 169         * dwarf_reader.h (Dwarf_info_reader::warn_corrupt_debug_section):
 170         New function.
 171         (Dwarf_info_reader::check_buffer): Move here from .cc file.
 172
 173 2013-02-28  Alan Modra  <amodra@gmail.com>
 174
 175         * target.h (Target::plt_fde_location, do_plt_fde_location): Declare.
 176         * target.cc (Target::do_plt_fde_location): New function.
 177         * ehframe.h (class FDE): Add post_map field to u_.from_linker,
 178         accessor function, and constructor param.
 179         (struct Post_fde, Post_fdes): Declare.
 180         (Cie::write): Add post_fdes param.
 181         * ehframe.cc (Fde::write): Use plt_fde_location.
 182         (struct Post_fde): Define.
 183         (Cie::write): Stash FDEs added post merge mapping.
 184         (Eh_frame::add_ehframe_for_plt): Assert no new CIEs after mapping.
 185         Adjust Fde constructor call.  Bump final_data_size_ for post map FDEs.
 186         (Eh_frame::do_sized_write): Arrange to write post map FDES after
 187         other FDEs.
 188         * powerpc.cc (Target_powerpc::do_plt_fde_location): New function.
 189         (Target_powerpc::has_glink): New function.
 190         (Target_powerpc::do_relax): Add eh_frame info for stubs.
 191         (struct Eh_cie, eh_frame_cie, glink_eh_frame_fde_64,
 192         glink_eh_frame_fde_32, default_fde): New data.
 193         (Stub_table::eh_frame_added_): New var.
 194         (Stub_table::find_long_branch_entry, stub_address, stub_offset):
 195         Make const.
 196         (Stub_table::add_eh_frame): New function.
 197         (Output_data_glink::add_eh_frame): New function.
 198         (Target_powerpc::make_glink_section): Call add_eh_frame.
 199
 200 2013-02-15  Ian Lance Taylor  <iant@google.com>
 201
 202         * options.h (DEFINE_uint64_alias): Define.
 203         (class General_options): Add -Ttext-segment as an alias for
 204         -Ttext.
 205
 206 2013-02-15  Alan Modra  <amodra@gmail.com>
 207
 208         * powerpc.cc (Stub_table::plt_off): New function, extracted from..
 209         (Stub_table::do_write): ..here, two places.
 210         (Stub_table::plt_call_size): Use it here too.
 211
 212 2013-02-11  Ian Lance Taylor  <iant@google.com>
 213
 214         * descriptors.cc (Descriptors::close_all): New function.
 215         * descriptors.h (class Descriptors): Declare close_all.
 216         (close_all_descriptors): New inline function.
 217         * plugin.cc: Include "descriptors.h".
 218         (Plugin_manager::cleanup): Call close_all_descriptors.
 219
 220 2013-02-06  Alan Modra  <amodra@gmail.com>
 221
 222         * README: Update coding style link.
 223
 224 2013-01-28  Cary Coutant  <ccoutant@google.com>
 225
 226         * dwp.cc (File_list): New typedef.
 227         (Dwo_name_info_reader): New class.
 228         (Dwo_id_info_reader::Dwo_id_info_reader): Remove unused parameters.
 229         (Dwo_id_info_reader::visit_top_die): Remove unused member function.
 230         (Dwo_file::~Dwo_file): Delete input_file_ after obj_.
 231         (Dwo_file::read_executable): New function.
 232         (Dwo_file::read): Move common setup code to ...
 233         (Dwo_file::make_object): ... here.
 234         (dwp_options): Add --exec/-e.
 235         (usage): Likewise.
 236         (main): Likewise.
 237
 238 2013-01-24  Sriraman Tallam  <tmsriram@google.com>
 239
 240         * layout.cc (Layout::layout): Check for option text_reorder.
 241         (Layout::make_output_section): Ditto.
 242         * options.h (text_reorder): New option.
 243         * output.cc (Input_section_sort_compare): Remove special ordering
 244         of section names.
 245         (Output_section::
 246          Input_section_sort_section_name_special_ordering_compare::
 247          operator()): New function.
 248         (Output_section::sort_attached_input_sections): Use new sort function
 249         for .text.
 250         * output.h (Input_section_sort_section_name_special_ordering_compare):
 251         New struct.
 252         * testsuite/Makefile.am (text_section_grouping): Test option
 253         --no-text-reorder
 254         * testsuite/Makefile.in: Regenerate.
 255         * testsuite/text_section_grouping.sh: Check order of functions without
 256         default text reordering.
 257
 258 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
 259
 260         * options.h (General_options): Change default to true for new_dtags.
 261
 262 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
 263
 264         * layout.cc (Layout::finish_dynamic_section): Only add DT_RPATH
 265         when enable_new_dtags is false.  Only add DT_RUNPATH when
 266         enable_new_dtags is true.
 267
 268 2013-01-17  Serge Pavlov  <serge.v.pavlov@gmail.com>
 269
 270         * powerpc.cc (Stub_table::find_plt_call_entry): Make types
 271         used in declaration and definition consistent.
 272         (Target_powerpc::symval_for_branch): Ditto.
 273
 274 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
 275
 276         * testsuite/plugin_final_layout.cc: Fix comment.
 277
 278 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
 279
 280         * layout.cc (Layout::layout): Do not do default sorting for
 281         text sections when section ordering is specified.
 282         (make_output_section): Ditto.
 283         * testsuite/plugin_final_layout.cc: Name the function sections
 284         to catch reordering issues.
 285
 286 2013-01-15  Alan Modra  <amodra@gmail.com>
 287
 288         * powerpc.cc (Target_powerpc::do_relax): Default shared libs to
 289         plt-thread-safe.
 290
 291 2013-01-15  Alan Modra  <amodra@gmail.com>
 292
 293         * testsuite/Makefile.am (final_layout_script.lds): Handle .got section.
 294         * testsuite/Makefile.in: Regenerate.
 295
 296 2013-01-14  Alan Modra  <amodra@gmail.com>
 297
 298         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add various output files.
 299         * testsuite/Makefile.in: Regenerate.
 300
 301 2013-01-11  Pavel Chupin  <pavel.v.chupin@intel.com>
 302
 303         PR bfd/14430
 304         Fix mingw gold build with plugins enabled
 305         * Makefile.am: Replace -ldl with @DLOPEN_LIBS@.
 306         * configure.ac: Export DLOPEN_LIBS and add headers check.
 307         * plugin.cc: Handle non-dlfcn case.
 308         * Makefile.in: Regenerate.
 309         * config.in: Regenerate.
 310         * configure: Regenerate.
 311         * testsuite/Makefile.in: Regenerate.
 312
 313 2013-01-09  Sriraman Tallam  <tmsriram@google.com>
 314
 315         * output.h (sort_attached_input_sections): Change to be public.
 316         * script-sections.cc
 317         (Output_section_definition::set_section_addresses): Sort
 318         attached input sections according to section order before linker
 319         script assigns section addresses.
 320         (Orphan_output_section::set_section_addresses): Sort
 321         attached input sections according to section order before linker
 322         script assigns section addresses.
 323         * Makefile.am (final_layout.sh): Use a simple linker script to
 324         check if section ordering still works.
 325         * Makefile.in: Regenerate.
 326
 327 2013-01-09  Ben Cheng  <bccheng@google.com>
 328
 329         * arm.cc (Target_arm::attributes_accept_div): New function.
 330         (Target_arm::attributes_forbid_div): New function.
 331         (Target_arm::merge_object_attributes): Merge the Tag_DIV_use
 332         attribute using the same new functions as what bfd/elf32_arm.c
 333         does.
 334
 335 2013-01-07  Cary Coutant  <ccoutant@google.com>
 336
 337         PR gold/14993
 338         * output.cc (Output_section::add_input_section): For incremental
 339         updates, don't track input sections that are allocated from patch
 340         space.
 341
 342 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
 343             Ian Lance Taylor  <iant@google.com>
 344
 345         PR gold/14897
 346         * configure.ac (--enable-ld): Removed.
 347         (install_as_default): Set to yes only for --enable-gold=default
 348         or --disable-ld.
 349         * configure: Regenerated.
 350
 351 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
 352
 353         * options.h (General_options): Add -fuse-ld= for GCC linker
 354         option compatibility.
 355
 356 2013-01-04  Cary Coutant  <ccoutant@google.com>
 357
 358         * configure.ac: Fix typo restoring CXXFLAGS.
 359         * configure: Regenerate.
 360
 361 2013-01-04  Cary Coutant  <ccoutant@google.com>
 362
 363         * testsuite/Makefile.am (CXXLINK_S): New macro.
 364         (debug_msg_so.err, debug_msg_ndebug.err): Use CXXLINK_S.
 365         * testsuite/Makefile.in: Regenerate.
 366
 367 2013-01-02  H.J. Lu  <hongjiu.lu@intel.com>
 368
 369         * version.cc (print_version): Update copyright year to 2013.
 370
 371 2012-12-20  Ian Lance Taylor  <iant@google.com>
 372
 373         * layout.cc (Layout::special_ordering_of_input_section): New
 374         function.
 375         (Layout::layout): If input section requires special ordering, must
 376         sort input sections.
 377         (Layout::make_output_section): May sort .text input sections.
 378         (Layout::is_section_name_prefix_grouped): Remove.
 379         * layout.h (class Layout): Declare
 380         special_ordering_of_input_section.  Don't declare
 381         is_section_name_prefix_grouped.
 382         * output.cc (Output_section::add_input_section): Revert last
 383         change.
 384         (Output_section::Input_section_sort::match_file_name): Don't crash
 385         if called on output section data.
 386         (Output_section::Input_section_sort_compare): Sort based on
 387         special ordering.
 388         (Output_section::Input_section_sort_section_order_index_compare):
 389         Revert last patch.
 390         (Output_section::sort_attached_input_sections): Likewise.
 391
 392 2012-12-18  Sriraman Tallam  <tmsriram@google.com>
 393
 394         * layout.cc (Layout::is_section_name_prefix_grouped): New function.
 395         * layout.h (Layout::is_section_name_prefix_grouped): New function.
 396         * output.cc (Output_section::add_input_section): Check if section
 397         name contains special prefix.  Keep input sections to sort such
 398         sections.
 399         (Output_section::Input_section_sort_section_order_index_compare
 400          ::operator()): Group sections according to prefixes.
 401         (Output_section::sort_attached_input_sections): Add condition to
 402         Input_section_entry constructor call.
 403         * testsuite/Makefile.am (text_section_grouping): New test.
 404         * testsuite/Makefile.in: Regenerate.
 405         * testsuite/text_section_grouping.cc: New file.
 406         * testsuite/text_section_grouping.sh: New file.
 407
 408 2012-12-17  Nick Clifton  <nickc@redhat.com>
 409
 410         * Makefile.am: Add copyright notice.
 411         * NEWS: Likewise.
 412         * README: Likewise.
 413         * configure.ac: Likewise.
 414         * ftruncate.c: Likewise.
 415         * Makefile.in: Regenerate.
 416
 417 2012-12-14  Cary Coutant  <ccoutant@google.com>
 418
 419         * testsuite/Makefile.am (exception_separate_shared_12_test): Add
 420         --no-as-needed flag.
 421         (exception_separate_shared_12_test): Likewise.
 422         (incremental_copy_test): Likewise.
 423         * testsuite/Makefile.in: Regenerate.
 424
 425 2012-12-14  Cary Coutant  <ccoutant@google.com>
 426
 427         * dwp.cc (Dwp_output_file::add_cu_set): Check for duplicate CUs.
 428         (Dwp_output_file::Dwp_index::enter_set): Add assert.
 429
 430 2012-12-12  Alan Modra  <amodra@gmail.com>
 431
 432         * powerpc.cc (class Track_tls): New.
 433         (class Relocate, class Scan): Inherit Track_tls.
 434         (Target_powerpc::Scan::local, global): Track tls optimization
 435         and avoid creating plt entry for __tls_get_addr if all uses
 436         are optimized away.
 437         (Target_powerpc::Relocate::relocate): Update to use Track_tls.
 438
 439 2012-12-12  Alan Modra  <amodra@gmail.com>
 440
 441         * options.h (General_options): Add --toc-sort/--no-toc-sort.
 442         Replace no_toc_optimize with toc_optimize.
 443         * output.h (Output_section::input_sections): Provide non-const variant.
 444         * powerpc.cc (Powerpc_relobj::has_small_toc_reloc_,
 445         set_has_small_toc_reloc, has_small_toc_reloc): New variable and
 446         accessors.
 447         (Target_powerpc::Scan::local, global): Call set_has_small_toc_reloc.
 448         (class Sort_toc_sections): New.
 449         (Target_powerpc::do_finalize_sections): Sort toc sections.
 450         (Target_powerpc::Relocate::relocate): Update toc_optimize test.
 451
 452 2012-12-10  Roland McGrath  <mcgrathr@google.com>
 453
 454         * testsuite/binary_unittest.cc (read_all): New function.
 455         (Sized_binary_test): Use it instead of ::read.
 456         * fileread.cc (do_read): Don't assume pread always reads the whole
 457         amount in a single call.
 458
 459 2012-12-10  Alan Modra  <amodra@gmail.com>
 460
 461         * powerpc.cc (Target_selector_powerpc::Target_selector_powerpc):
 462         Set EM_PPC64 or EM_PPC here.
 463         (Target_selector_powerpc::do_recognize): Delete.
 464
 465 2012-12-10  Alan Modra  <amodra@gmail.com>
 466
 467         * powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ and
 468         stub_table_.
 469         (Target_powerpc::Branch_info::make_stub): Don't omit addend.
 470
 471 2012-12-07  Roland McGrath  <mcgrathr@google.com>
 472
 473         * testsuite/binary_unittest.cc (Sized_binary_test):
 474         Use open_descriptor rather than ::open.
 475
 476 2012-12-07  Alan Modra  <amodra@gmail.com>
 477
 478         * powerpc.cc (Stub_table::do_write): Delete redundant Address
 479         typedef and invalid_address constant.
 480         (Output_data_glink, Stub_table, Target_powerpc): Explicitly
 481         instantiate constants.
 482
 483 2012-12-06  Roland McGrath  <mcgrathr@google.com>
 484
 485         * configure.ac (HAVE_ZLIB): Use AM_ZLIB instead of AC_SEARCH_LIBS.
 486         Use $ac_cv_header_zlib_h = yes as the condition in AM_CONDITIONAL.
 487         * aclocal.m4: Regenerate.
 488         * configure: Regenerate.
 489         * Makefile.in: Regenerate.
 490         * testsuite/Makefile.in: Regenerate.
 491
 492 2012-12-07  Alan Modra  <amodra@gmail.com>
 493
 494         * options.h (General_options): Add no_toc_optimize.
 495         * powerpc.cc (ok_lo_toc_insn): New function.
 496         (Target_powerpc::Relocate::relocate): Optimize toc access sequences.
 497
 498 2012-12-06  Alan Modra  <amodra@gmail.com>
 499
 500         * options.h (General_options): Add plt_align, plt_static_chain,
 501         plt_thread_safe.  Update stub_group_size help text.
 502         * powerpc.cc (Target_powerpc::plt_thread_safe): New access function
 503         for new plt_thread_safe_ var.
 504         (use_plt_offset): Correct comments.
 505         (Target_powerpc::do_relax): Look for thread creation symbols to
 506         determine default plt_thread_safe value.  Clear plt call stubs
 507         as well as branch stubs each iteration.
 508         (add_2_2_11, add_12_12_11, bnectr_p4, cmpldi_2_0, xor_11_11_11): New
 509         insn constants.
 510         (l, hi, ha, write_insn): Move earlier.
 511         (Stub_table): Delete prev_size, add last_plt_size and last_branch_size.
 512         (Stub_table::clear_stubs): Rename from clear_long_branch_stubs, clear
 513         plt stubs too.
 514         (Stub_table::update_size): Adjust.
 515         (Stub_table::prev_size, set_prev_size): Delete.
 516         (Stub_table::stub_align): Let --plt-align affect result.
 517         (Stub_table::plt_call_size): Calculate sizes for various stubs.
 518         (Stub_table::branch_stub_size): Use last_plt_size in address calc.
 519         (Stub_table::add_plt_call_stub): Pass iterator to plt_call_size.
 520         (Stub_table::do_write): Support more stub variants.
 521
 522 2012-12-04  Alan Modra  <amodra@gmail.com>
 523
 524         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.
 525         (Target_powerpc::do_define_standard_symbols): New function.
 526
 527 2012-12-03  Alan Modra  <amodra@gmail.com>
 528
 529         * output.h: Formatting, whitespace.
 530
 531 2012-12-03  Alan Modra  <amodra@gmail.com>
 532
 533         * layout.h (Layout::get_executable_sections): Declare.
 534         * layout.cc (Layout::get_executable_sections): New function.
 535         * arm.cc (Target_arm::group_sections): Use it.
 536         (Arm_output_section::group_sections): Delete now redundant test.
 537         * output.cc (Output_reloc::Output_reloc): Add is_relative.
 538         param to handle relative relocs.
 539         * output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise.
 540         (Output_data_reloc::add_absolute): Adjust.
 541         (Output_data_reloc::add_relative): New function.
 542         (Output_data::reset_data_size): New function.
 543         (Output_relaxed_input_section::set_relobj, set_shndx): New functions.
 544         (Output_section::set_addralign): New function.
 545         (Output_section::checkpoint_set_addralign): New function.
 546         (Output_section::clear_section_offsets_need_adjustment): New function.
 547         (Output_section::input_sections): Make public.
 548         * powerpc.cc (class Output_data_brlt_powerpc): New.
 549         (class Stub_table, class Stub_control): New.
 550         (Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch,
 551         stub_table_, set_stub_table, stub_table): New vectors and accessor
 552         functions.
 553         (Target_powerpc::do_may_relax, do_relax, push_branch,
 554         new_stub_table, stub_tables, brlt_section, group_sections,
 555         add_branch_lookup_table, find_branch_lookup_table,
 556         write_branch_lookup_table, make_brlt_section): New functions.
 557         (Target_powerpc::struct Sort_sections, class Branch_info): New.
 558         (Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_,
 559         branch_info_): New vars.
 560         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't
 561         make call stubs here.
 562         (Output_data_glink): Remove all call stub handling from this class.
 563         (Target_powerpc::Scan::local, global): Save interesting branch
 564         relocs and relocs for ifunc.  Adjust calls to plt entry functions.
 565         (Target_powerpc::do_finalize_sections): Only make reg save/restore
 566         functions on final link.
 567         (Target_powerpc::Relocate::relocate): Adjust lookup of call stubs.
 568         Handle long branch destinations too.
 569         (Target_powerpc::do_dynsym_value, do_plt_address_for_global,
 570         do_plt_address_for_local): Adjust lookup of plt call stubs.
 571
 572 2012-11-30  Alan Modra  <amodra@gmail.com>
 573
 574         * powerpc.c (Target_powerpc::Scan::global): Don't emit relative
 575         relocs against protected symbols when building 32-bit shared libs.
 576
 577 2012-11-30  Alan Modra  <amodra@gmail.com>
 578
 579         * powerpc.cc (Target_powerpc::make_plt_section): Add symtab
 580         param.  Call got_section() to make .got.  Update all callers
 581         and their callers and so on.
 582
 583 2012-11-30  Alan Modra  <amodra@gmail.com>
 584
 585         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
 586         _GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
 587         (Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
 588         value if it already exists.
 589
 590 2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
 591
 592         PR gold/14858
 593         * x86_64.cc (Relocate::tls_ld_to_le): Support x32.
 594
 595 2012-11-14  Roland McGrath  <mcgrathr@google.com>
 596
 597         * arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
 598         than bfc instruction for data sandboxing.
 599
 600 2012-11-08  Alan Modra  <amodra@gmail.com>
 601
 602         * po/POTFILES.in: Regenerate.
 603
 604 2012-11-05  Alan Modra  <amodra@gmail.com>
 605
 606         * configure.ac: Apply 2012-09-10 change to config.in here.
 607         * configure: Regenerate.
 608
 609 2012-11-05  Alan Modra  <amodra@gmail.com>
 610
 611         * powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
 612         (struct Opd_ent): Use "Address" rather than "Offset".
 613         (Output_data_got_powerpc::got_base_offset): Return Valtype.
 614         (Target_powerpc::got_section): Make public.
 615         (Target_powerpc::scan_relocs): Move code setting symbols..
 616         (Powerpc_relobj::do_scan_relocs): ..to here, new function.
 617         Create _SDA_BASE_ only when referenced.
 618
 619 2012-11-02  Roland McGrath  <mcgrathr@google.com>
 620
 621         * i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
 622         from last change.
 623
 624 2012-11-01  Roland McGrath  <mcgrathr@google.com>
 625
 626         * target.h (Sized_target::relocate_relocs): Use Elf_Off
 627         for offset_in_output_section parameter.
 628         (Sized_target::relocate_special_relocatable): Likewise.
 629         * arm.cc (Target_arm::relocate_relocs): Likewise.
 630         (Target_arm::relocate_special_relocatable): Likewise.
 631         * i386.cc (Target_i386::relocate_relocs): Likewise.
 632         * powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
 633         * sparc.cc (Target_sparc::relocate_relocs): Likewise.
 634         * target-reloc.h (relocate_relocs): Likewise.
 635         * testsuite/testfile.cc (Target_test): Likewise.
 636         * tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
 637         * x86_64.cc (Target_x86_64::relocate_relocs): Likewise.
 638
 639         * system.h: Move inclusion of <clocale> to after <libintl.h> in
 640         [ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.
 641
 642         * descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
 643         parameter, which is unused in the [!F_SETFD] case.
 644
 645         * dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
 646         SYMNDX to off_t before comparing it to this->data_size().
 647         * output.cc (Output_symtab_xindex::endian_do_write): Likewise.
 648         * incremental.cc (Output_section_incremental_inputs::do_write):
 649         Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
 650
 651         * nacl.cc: Include "libiberty.h" for vasprintf declaration.
 652
 653 2012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>
 654
 655         * gold.cc (Target_arm::do_adjust_elf_header): Add the
 656         hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
 657         in EABI_VER5.
 658
 659 2012-10-29  Cary Coutant  <ccoutant@google.com>
 660
 661         * dwp.cc (usage): Add file and exit status parameters;
 662         add --help and --version options.
 663         (print_version): New function.
 664         (main): Add --help and --version options.
 665
 666 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 667
 668         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add
 669         final_layout_sequence.txt.
 670         * testsuite/Makefile.in: Regenerated.
 671
 672 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 673
 674         * testsuite/Makefile.am (COMPILE1): New variable. Renamed from
 675         COMPILE generated by automake.
 676         (LINK1): Likewise.
 677         (CXXCOMPILE1): Likewise.
 678         (CXXLINK1): Likewise.
 679         (COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
 680         (LINK): Likewise.
 681         (CXXCOMPILE): Likewise.
 682         (CXXLINK): Likewise.
 683         * testsuite/Makefile.in: Regenerated.
 684
 685 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 686
 687         * dwp.cc (Dwo_file::record_target_info): Issue a fatal error
 688         on bad fwrite return.
 689
 690 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 691
 692         * dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
 693         on val.
 694
 695 2012-10-23  Cary Coutant  <ccoutant@google.com>
 696
 697         * testsuite/Makefile.am (TEST_OBJCOPY): New macro.
 698         * testsuite/Makefile.in: Regenerate.
 699         * testsuite/dwp_test.h: New source file.
 700         * testsuite/dwp_test_1.cc: New source file.
 701         * testsuite/dwp_test_1.s: New source file.
 702         * testsuite/dwp_test_1.sh: New source file.
 703         * testsuite/dwp_test_1b.cc: New source file.
 704         * testsuite/dwp_test_1b.s: New source file.
 705         * testsuite/dwp_test_2.cc: New source file.
 706         * testsuite/dwp_test_2.s: New source file.
 707         * testsuite/dwp_test_2.sh: New source file.
 708         * testsuite/dwp_test_main.cc: New source file.
 709         * testsuite/dwp_test_main.s: New source file.
 710
 711 2012-10-23  Cary Coutant  <ccoutant@google.com>
 712
 713         * dwp.h: New header file.
 714         * dwp.cc: New source file.
 715         * gold.h: Move shared declarations to system.h.
 716         * system.h: New header file.
 717         * Makefile.am: Add dwp.
 718         * Makefile.in: Regenerate.
 719
 720 2012-10-23  Cary Coutant  <ccoutant@google.com>
 721
 722         * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
 723         Dwarf_info_reader::read_from_pointer.
 724         (Dwarf_pubnames_table::read_header): Likewise.
 725         (Dwarf_pubnames_table::next_name): Likewise.
 726         (Dwarf_die::read_attributes): Likewise.
 727         (Dwarf_die::skip_attributes): Likewise.
 728         (Dwarf_info_reader::read_from_pointer): New function template.
 729         * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
 730         (Dwarf_pubnames_table): Likewise.
 731         (Dwarf_info_reader::read_from_pointer): New function template.
 732         * gdb-index.cc (Gdb_index_info_reader): Adjust call to
 733         Dwarf_pubnames_table ctor.
 734
 735 2012-10-23  Cary Coutant  <ccoutant@google.com>
 736
 737         * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
 738         abbrev_shndx.
 739         * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
 740         abbrev_shndx_.
 741         (Dwarf_info_reader::set_abbrev_shndx): New method.
 742         (Dwarf_info_reader::abbrev_shndx_): New data member.
 743
 744 2012-10-23  Cary Coutant  <ccoutant@google.com>
 745
 746         * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
 747         from object, not parameters.
 748         (Dwarf_info_reader::parse): Likewise.
 749         * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
 750         (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
 751         (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
 752         methods.
 753
 754 2012-10-23  Cary Coutant  <ccoutant@google.com>
 755
 756         * fileread.cc (Input_file::Input_file): New constructor.
 757         * fileread.h (class Input_file): Add new constructor.
 758
 759 2012-10-18  Alan Modra  <amodra@gmail.com>
 760
 761         PR gold/14727
 762         * object.cc (Relobj::is_section_name_included): Also match
 763         .sdata personality section.
 764
 765 2012-10-18  Alan Modra  <amodra@gmail.com>
 766
 767         * target-reloc.h (class Default_comdat_behavior): New, package up..
 768         (get_comdat_behaviour): ..this.
 769         (relocate_section): Add Relocate_comdat_behavior template arg,
 770         adjust code to suit.
 771         * arm.cc (Target_arm::relocate_section): Adjust to suit.
 772         (Target_arm::scan_reloc_section): Likewise.
 773         * i386.cc (Target_i386::relocate_section): Likewise.
 774         * sparc.cc (Target_sparc::relocate_section): Likewise.
 775         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
 776         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
 777         * powerpc.cc (class Relocate_comdat_behavior): New.
 778         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
 779         gold::relocate_section with new template arg.
 780
 781 2012-10-18  Alan Modra  <amodra@gmail.com>
 782
 783         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
 784         dynamic relocs for GOT_TPREL got entries, without symbol if
 785         resolving locally.
 786         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
 787         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
 788         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
 789
 790 2012-10-17  Alan Modra  <amodra@gmail.com>
 791
 792         PR gold/14726
 793         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
 794
 795 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
 796
 797         * layout.cc (Layout::include_section): Keep sections marked
 798         SHF_EXCLUDE when doing relocatable links.
 799
 800 2012-10-16  Alan Modra  <amodra@gmail.com>
 801
 802         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
 803         (Target_powerpc::do_finalize_sections): Call it.
 804         (Output_data_save_res): New class and supporting functions.
 805         (Target_powerpc::symval_for_branch): Only look up .opd entry for
 806         normal symbols defined in object files.
 807
 808 2012-10-12  Alan Modra  <amodra@gmail.com>
 809
 810         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
 811         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
 812         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
 813         section if scan_opd_relocs not yet called.
 814         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
 815
 816 2012-10-12  Alan Modra  <amodra@gmail.com>
 817
 818         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
 819         add_local_ifunc_entry): Revert last change.
 820         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
 821
 822 2012-10-05  Alan Modra  <amodra@gmail.com>
 823
 824         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
 825         do_plt_address_for_global): New functions.
 826         (Output_data_got_powerpc::do_write): Don't segfault when linking
 827         statically.
 828         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
 829         add_local_ifunc_entry): Return true on adding entry..
 830         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
 831         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
 832         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
 833         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
 834         set up symbols here.
 835         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
 836         syms here.  Do so even when no .iplt.  Don't segfault when linking
 837         statically.
 838         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
 839         new variants without reloc param.
 840         (Glink_sym_ent::Glink_sym_ent): Likewise.
 841         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
 842         reloc when refs will resolve to plt call stub.
 843         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
 844         R_PPC_PLTREL24 to resolve locally.
 845         (Target_powerpc::Scan::global): Correct ifunc handling.
 846         (Target_powerpc::Relocate::relocate): Correct local sym glink
 847         lookup.  Don't destroy "value" when we have a plt call stub,
 848         and when checking plt call validity.
 849         (Target_powerpc::do_dynsym_value): Simplify.
 850
 851 2012-10-05  Alan Modra  <amodra@gmail.com>
 852
 853         * i386.cc (Output_data_plt_i386::address_for_global,
 854         address_for_local): Add plt offset to returned value.  Adjust uses.
 855         * sparc.cc (Output_data_plt_sparc::address_for_global,
 856         address_for_local): Likewise.
 857         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
 858         address_for_local): Likewise.
 859         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
 860         address_for_local): Likewise.
 861         * target.h (Target::plt_address_for_global, plt_address_for_local):
 862         Update comment.
 863         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
 864         (Output_data_got::Got_entry::write): Nor here.
 865         * output.h: Comment fix.
 866
 867 2012-10-02  Jiong Wang  <jiwang@tilera.com>
 868
 869         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
 870         global_offset_table_ value for larget got.
 871         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
 872
 873 2012-09-29  Alan Modra  <amodra@gmail.com>
 874
 875         * powerpc.cc (Target_powerpc::iplt_): New output section.
 876         (Target_powerpc::iplt_section, make_iplt_section,
 877         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
 878         (Target_powerpc::make_plt_entry): Handle ifunc syms.
 879         Target_powerpc::plt_entry_count): Count iplt entries too.
 880         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
 881         reloc section in constructor.  New params.
 882         (Target_powerpc::make_plt_section): Create reloc section here instead.
 883         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
 884         functions.
 885         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
 886         (Output_data_glink::add_entry, find_entry): New functions to
 887         deal with local syms.
 888         (Glink_sym_ent): Add support for local syms.
 889         (Output_data_glink::do_write): Handle ifunc plt entries.
 890         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
 891         (Target_powerpc::Scan::local, global): Handle ifunc syms.
 892         (Target_powerpc::Relocate::relocate): Likewise.
 893         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
 894
 895 2012-09-25  Alan Modra  <amodra@gmail.com>
 896
 897         * object.h (Sized_relobj_file::adjust_local_symbol,
 898         do_adjust_local_symbol): New functions.
 899         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
 900         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
 901         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
 902         and irregular opd entry spacing.
 903         (Powerpc_relobj::do_read_relocs): Add opd size checks.
 904         (Global_symbol_visitor_opd): New functor.
 905         (Target_powerpc::do_finalize_sections): Omit global symbols defined
 906         on deleted opd entries.
 907
 908 2012-09-15  Jiong Wang  <jiwang@tilera.com>
 909
 910         * tilegx.cc: New file.
 911         * Makefile.am (TARGETSOURCES): Add tilegx.cc
 912         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
 913         * configure.tgt: Add entries for tilegx*.
 914         * configure.ac: Likewise.
 915         * Makefile.in: Rebuild.
 916         * configure: Likewise.
 917         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
 918         tilegx.
 919
 920 2012-09-13  Alan Modra  <amodra@gmail.com>
 921
 922         * target-reloc.h (scan_relocs): Call scan.local for relocs
 923         against symbols in discarded sections.  Pass is_discarded
 924         param.
 925         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
 926         Add is_discarded param.
 927         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
 928         is_discarded to flag opd entry as discarded.  Don't emit dyn
 929         relocs on such entries.
 930         (Target_powerpc::Scan::global): Similarly detect and handle
 931         such opd entries.
 932         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
 933         opd_ent_.  Update all uses.
 934         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
 935         (Target_powerpc::relocate_section): Zero out discarded opd
 936         entry relocs.
 937
 938 2012-09-12  Ian Lance Taylor  <iant@google.com>
 939
 940         PR gold/14570
 941         * output.cc: Rename Output_data_got template parameter from size
 942         to got_size for all functions.  Compile all variants of
 943         Output_data_got.
 944         (Output_data_got::Got_entry::write): Correct use of size for
 945         symbol value.  Use local_is_tls rather than casting to
 946         Sized_relobj_file.
 947         * object.h (class Object): Add local_is_tls and do_local_is_tls.
 948         (class Sized_relobj_file): Add do_local_is_tls.
 949         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
 950
 951 2012-09-11  Alan Modra  <amodra@gmail.com>
 952
 953         PR gold/14566
 954         * layout.cc (Layout::set_segment_offsets): When using
 955         common-page-size alignment, ensure we are on a new max-page-size
 956         page.
 957         * output.cc (Output_segment::set_section_addresses): Use
 958         abi_pagesize, not common_pagesize for relro boundary.
 959         (Output_segment::set_offset): Likewise.
 960
 961 2012-09-11  Alan Modra  <amodra@gmail.com>
 962
 963         * output.h (Output_data_got::add_global_tls, add_local_tls,
 964         add_local_tls_pair): New functions.
 965         (Output_data_got::add_local_pair_with_rel): Remove second
 966         reloc param.  Expand comment.
 967         (Output_data_got::Got_entry): Rename use_plt_offset_ to
 968         use_plt_or_tls_offset_, similarly for constructor param.
 969         (Output_data_got::Got_entry::write): Add got_index param.
 970         * output.cc (Output_data_got::add_global_tls, add_local_tls,
 971         add_local_tls_pair): New functions.
 972         (Output_data_got::Got_entry::write): Handle tls symbols
 973         with use_plt_or_tls_offset_ set specially.
 974         (Output_data_got::add_local_pair_with_rel): Only one reloc.
 975         (Output_data_got::do_write): Replace iterator with index, pass
 976         index to entry write function.
 977         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
 978         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
 979         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
 980         call.
 981         * i386.cc (Target_i386::Scan::local): Likewise.
 982         * sparc.cc (Target_sparc::Scan::local): Likewise.
 983         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
 984         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
 985         do_tls_offset_for_global): New functions.
 986         (Target_powerpc::Scan::local): Correct TLS relocations and got
 987         entry values.
 988         (Target_powerpc::Scan::global): Don't emit unnecessary
 989         dynamic relocations on TLS GOT entries.
 990
 991 2012-09-10  Matthias Klose  <doko@ubuntu.com>
 992
 993         * config.in: Disable sanity check for kfreebsd.
 994
 995 2012-09-10  Sterling Augustine  <saugustine@google.com>
 996
 997         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
 998         (Gdb_index::pubtypes_read): New parameter.
 999         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
1000         to calls.
1001         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
1002         pubtypes_object_.
1003
1004 2012-09-09  Alan Modra  <amodra@gmail.com>
1005
1006         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
1007         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
1008         * gc.h (gc_process_relocs): Call target gc_add_reference.
1009         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
1010         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
1011         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
1012         unnecessary cast.
1013         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
1014         to cater for when we don't need code offset.  Update use.
1015         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
1016         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
1017         set_opd_valid): New functions.
1018         (Target_powerpc::do_gc_add_reference): New function.
1019         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
1020         stashed refs.
1021         (Target_powerpc::do_gc_mark_symbol): New function.
1022
1023 2012-09-06  Cary Coutant  <ccoutant@google.com>
1024
1025         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
1026         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
1027         (Dwarf_die::skip_attributes): Likewise.
1028         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
1029         * testsuite/gdb_index_test.cc (inline_func_1): New function.
1030         (main): Call it.
1031         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
1032
1033 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
1034
1035         * testsuite/script_test_3.t: Add .got.plt output section
1036         statement.
1037         * testsuite/script_test_4.t: Likewise.
1038
1039 2012-09-05  Alan Modra  <amodra@gmail.com>
1040
1041         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
1042         update all uses and lose "enum" when using type.
1043
1044 2012-09-05  Alan Modra  <amodra@gmail.com>
1045
1046         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
1047         * configure: Regenerate.
1048         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
1049         (plugin_final_layout.stdout): Likewise.
1050         (memory_test): Set page sizes to 0x1000.
1051         * testsuite/Makefile.in: Regenerate.
1052         * testsuite/discard_locals_test.sh: Add FIXME comment.
1053         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
1054         * testsuite/pr14265.t: Add .got output section statement.
1055         * testsuite/script_test_2.t: Likewise.
1056         * testsuite/script_test_3.t: Likewise.
1057         * testsuite/script_test_4.t: Likewise.
1058         * testsuite/script_test_5.t: Likewise.
1059         * testsuite/script_test_6.t: Likewise.
1060         * testsuite/script_test_7.t: Likewise.
1061         * testsuite/script_test_9.t: Likewise.
1062
1063 2012-09-05  Alan Modra  <amodra@gmail.com>
1064
1065         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
1066         (Powerpc_relocate_functions::Status): New typedef.
1067         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
1068         (Target_powerpc::Scan::local): Handle REL64.
1069         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
1070         for REL32 and REL64.
1071         (Target_powerpc::symval_for_branch): New function, extracted from..
1072         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
1073         checks.  Report overflow errors.
1074
1075 2012-09-05  Alan Modra  <amodra@gmail.com>
1076
1077         * object.h (Sized_relobj_file::emit_relocs): Delete.
1078         (Sized_relobj_file::emit_relocs_reltype): Delete.
1079         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
1080         relocate_relocs for --emit-relocs.
1081         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
1082         * output.h: Update comment.
1083         (Output_segment::first_section): New function.
1084         (Output_segment::first_section_load_address): Use first_section.
1085         * output.cc (Output_segment::first_section): New function extracted..
1086         (Output_segment::first_section_load_address): ..from here.  Delete.
1087         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
1088         * target.h (Sized_target::relocate_for_relocatable): Likewise.
1089         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
1090         adjust call to target.h function.
1091         * i386.cc (Target_i386): Likewise.
1092         * sparc.cc (Target_sparc): Likewise.
1093         * x86_64.cc (Target_x86_64): Likewise.
1094         * powerpc.cc (Target_powerpc): Likewise.
1095         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
1096         first tls section has section symbol for optimised local dynamic
1097         output relocs.
1098         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
1099         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
1100         optimised tls code.
1101         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
1102         Rename to relocate_relocs.  Update error message.
1103
1104 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
1105
1106         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
1107         --just-symbols.
1108
1109 2012-08-31  Alan Modra  <amodra@gmail.com>
1110
1111         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
1112         (Powerpc_relobj::toc_base_offset): New stub function.
1113         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
1114         got_mod_index_offset to tlsld_got_offset.  Update all refs.
1115         (Target_powerpc::Relocate::enum skip_tls): New.
1116         (Target_powerpc::call_tls_get_addr_): New var.
1117         (Target_powerpc::is_branch_reloc): Move to file scope.
1118         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
1119         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
1120         New functions.
1121         (Target_powerpc::enum Got_type): Delete old values, add new ones.
1122         (powerpc_info): Correct common_pagesize for ppc64.
1123         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
1124         (Powerpc_relocate_functions): Add overflow check enums and functions.
1125         Add non-shift version of rela, rela_ua.  Delete all rel public
1126         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
1127         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
1128         addr16_ha3, addr14 functions.
1129         (Output_data_got_powerpc::add_constant_pair): New function.
1130         (Output_data_got_powerpc::got_base_offset): Likewise.
1131         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
1132         (instruction constants): Sort, add some more.
1133         (Output_data_glink::do_write): Add and use Address typedef.  Use
1134         object->toc_base_offset() stub for 64-bit.
1135         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
1136         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
1137         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
1138         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
1139         Always treat .opd relocs as against locally defined symbol.
1140         Correct condition for RELATIVE relocs.
1141         (Target_powerpc::do_finalize_sections): Test for NULL sections.
1142         (Target_powerpc::Relocate::relocate): Use plt call stub as value
1143         for 32-bit syms with a plt entry.  Correct ppc64 toc base
1144         calculations.  Handle TLS relocs, and more.  Add overflow
1145         checking and adjust for Powerpc_relocate_functions changes.
1146         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
1147         Reinstate --emit-relocs code with FIXME.
1148
1149 2012-08-30  Alan Modra  <amodra@gmail.com>
1150
1151         * layout.cc (Layout::set_segment_offsets): Set p_align to
1152         abi_pagesize, not common_pagesize.
1153         (Layout::relaxation_loop_body): Similarly use abi_pagesize
1154         to determine whether file header can go in segment.
1155
1156 2012-08-30  Alan Modra  <amodra@gmail.com>
1157
1158         * output.h (Output_reloc::Output_reloc <output section>): Add
1159         is_relative param.  Adjust calls.
1160         (Output_reloc::add_output_section_relative): New functions.
1161         * output.cc (Output_reloc::Output_reloc <output section>): Handle
1162         is_relative.
1163         (Output_reloc::symbol_value): Handle SECTION_CODE.
1164
1165 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
1166
1167         * gold.cc (queue_middle_tasks): Call layout again when unique
1168         segments for sections is desired.
1169         * layout.cc (Layout::Layout): Initialize new members.
1170         (Layout::get_output_section_flags): New function.
1171         (Layout::choose_output_section): Call get_output_section_flags.
1172         (Layout::layout): Make output section for mapping to a unique segment.
1173         (Layout::insert_section_segment_map): New function.
1174         (Layout::attach_allocated_section_to_segment): Make unique segment for
1175         output sections marked so.
1176         (Layout::segment_precedes): Check for unique segments when sorting.
1177         * layout.h (Layout::Unique_segment_info): New struct.
1178         (Layout::Section_segment_map): New typedef.
1179         (Layout::insert_section_segment_map): New function.
1180         (Layout::get_output_section_flags): New function.
1181         (Layout::is_unique_segment_for_sections_specified): New function.
1182         (Layout::set_unique_segment_for_sections_specified): New function.
1183         (Layout::unique_segment_for_sections_specified_): New member.
1184         (Layout::section_segment_map_): New member.
1185         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
1186         Rename is_gc_pass_one to is_pass_one.
1187         Rename is_gc_pass_two to is_pass_two.
1188         Rename is_gc_or_icf to is_two_pass.
1189         Check for which pass based on whether symbols data is present.
1190         Make it two pass when unique segments for sections is desired.
1191         * output.cc (Output_section::Output_section): Initialize new
1192         members.
1193         * output.h (Output_section::is_unique_segment): New function.
1194         (Output_section::set_is_unique_segment): New function.
1195         (Output_section::is_unique_segment_): New member.
1196         (Output_section::extra_segment_flags): New function.
1197         (Output_section::set_extra_segment_flags): New function.
1198         (Output_section::extra_segment_flags_): New member.
1199         (Output_section::segment_alignment): New function.
1200         (Output_section::set_segment_alignment): New function.
1201         (Output_section::segment_alignment_): New member.
1202         (Output_segment::Output_segment): Initialize is_unique_segment_.
1203         (Output_segment::is_unique_segment): New function.
1204         (Output_segment::set_is_unique_segment): New function.
1205         (Output_segment::is_unique_segment_): New member.
1206         * plugin.cc (allow_unique_segment_for_sections): New function.
1207         (unique_segment_for_sections): New function.
1208         (Plugin::load): Add new functions to transfer vector.
1209         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
1210         * Makefile.in: Regenerate.
1211         * testsuite/plugin_final_layout.sh: Check if unique segment
1212         functionality works.
1213         * testsuite/plugin_section_order.c (onload): Check if new interfaces
1214         are available.
1215         (allow_unique_segment_for_sections): New global.
1216         (unique_segment_for_sections): New global.
1217         (claim_file_hook): Call allow_unique_segment_for_sections.
1218         (all_symbols_read_hook): Call unique_segment_for_sections.
1219
1220 2012-08-22  Cary Coutant  <ccoutant@google.com>
1221
1222         * layout.cc (Layout::include_section): Don't assert on GROUP
1223         sections with --emit-relocs.
1224
1225 2012-08-21  Cary Coutant  <ccoutant@google.com>
1226
1227         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
1228         if --export-dynamic-symbol names an undef symbol.
1229
1230 2012-08-18  Alan Modra  <amodra@gmail.com>
1231
1232         * powerpc.cc: Formatting and white space.
1233         (Powerpc_relobj): Rename got2_section_ to special_.
1234         Add opd_ent_shndx_ and opd_ent_off_ vectors.
1235         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
1236         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
1237         (Target_powerpc): Add Address typedef and invalid_address.  Use
1238         throughout.
1239         (Target_powerpc::is_branch_reloc): New function.
1240         (Powerpc_relocate_functions): Add Address typedef, use throughout.
1241         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
1242         for dst_mask, value and addend.
1243         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
1244         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
1245         (Output_data_glink::do_write): Correct toc base.  Don't try to use
1246         uint16_t for 24-bit offset.  Use get_output_section_offset and
1247         check return.
1248         (Target_powerpc::Scan::local): Handle more relocs.
1249         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
1250         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
1251         Plug in toc restoring insn after plt calls.  Translate branches
1252         to function descriptor symbols to corresponding entry point.
1253         (Target_powerpc::relocate_for_relocatable): Check return from
1254         get_output_section_offset.
1255         * symtab.h: Comment typo.
1256
1257 2012-08-14  Ian Lance Taylor  <iant@google.com>
1258
1259         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
1260         unsupported_relocal_local to call unsupported_reloc_global.
1261
1262 2012-08-14  Nick Clifton  <nickc@redhat.com>
1263
1264         PR ld/14265
1265         * script-sections.cc (Sections_element::output_section_name): Add
1266         keep return parameter.
1267         (Output_section_element::match_name): Add keep return parameter.
1268         Return the value of the keep_ member.
1269         * script-sections.h (class Output_section): Update
1270         output_section_name prototype.
1271         * layout.cc (Layout::keep_input_section): New public member
1272         function.
1273         (Layout::choose_output_section): Pass keep parameter to
1274         output_section_name.
1275         * layout.h (class Layout): Add keep_input_section.
1276         * object.cc (Sized_relobj_file::do_layout): Check for kept input
1277         sections.
1278         * testsuite/Makefile.am: Add a test.
1279         * testsuite/Makefile.in: Regenerate.
1280         * testsuite/pr14265.c: Source file for the test.
1281         * testsuite/pr14265.t: Linker script for the test.
1282         * testsuite/pr14265.sh: Shell script for the test.
1283
1284 2012-08-14  Alan Modra  <amodra@gmail.com>
1285
1286         * target.h (Target::output_section_name): New function.
1287         (Target::do_output_section_name): New function.
1288         * layout.cc (Layout::choose_output_section): Call the above.
1289         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
1290
1291 2012-08-14  Alan Modra  <amodra@gmail.com>
1292
1293         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
1294         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
1295         for replace_constant call.
1296         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
1297         (Output_data_glink::do_print_to_mapfile): New function.
1298         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
1299         (Target_powerpc::Relocate::relocate): Likewise.
1300
1301 2012-08-14  Alan Modra  <amodra@gmail.com>
1302
1303         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
1304         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
1305         (Output_data_glink::add_entry,find_entry): Remove shndx param.
1306         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
1307         all references to shndx_.  Handle special case for R_PPC_PLTREL24
1308         here.
1309         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
1310         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
1311         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
1312         here.
1313         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
1314         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
1315
1316 2012-08-12  Alan Modra  <amodra@gmail.com>
1317
1318         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
1319         (glink insn constants): Use uint32_t.
1320         (Output_data_glink::add_entry): Use insert, not [] operator.
1321
1322 2012-08-11  Alan Modra  <amodra@gmail.com>
1323
1324         * object.h (Sized_relobj_file::find_shdr): New function.
1325         (Sized_relobj_file::find_special_sections): New function.
1326         * object.cc (Sized_relobj_file::find_shdr): New function.
1327         (Sized_relobj_file::find_eh_frame): Use find_shdr.
1328         (Sized_relobj_file::find_special_sections): New function, split out..
1329         (Sized_relobj_file::do_read_symbols): ..from here.
1330         * output.h (Output_data_got::replace_constant): New function.
1331         (Output_data_got::num_entries): New function.
1332         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
1333         (Output_data_got::got_offset): Protected rather than private.
1334         (Output_data_got::replace_got_entry): New function.
1335         * output.cc (Output_data_got::replace_got_entry): New function.
1336         * powerpc.cc (class Powerpc_relobj): New.
1337         (class Powerpc_relocate_functions): Delete all psymval variants or
1338         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
1339         Implement _ha functions using corresponding _hi function.
1340         (Powerpc_relobj::find_special_sections): New function.
1341         (Target_powerpc::do_make_elf_object): New function.
1342         (class Output_data_got_powerpc): New.
1343         (class Output_data_glink): New.
1344         (class Powerpc_scan_relocatable_reloc): New.
1345         Many more changes througout file.
1346
1347 2012-08-09  Nick Clifton  <nickc@redhat.com>
1348
1349         * po/vi.po: Updated Vietnamese translation.
1350
1351 2012-08-07  Ian Lance Taylor  <iant@google.com>
1352
1353         * layout.cc (Layout::add_target_dynamic_tags): If
1354         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
1355         plt_rel.
1356
1357 2012-07-30  Nick Clifton  <nickc@redhat.com>
1358
1359         * po/gold.pot: Updated template.
1360         * po/es.po: Updated Spanish translation.
1361
1362 2012-07-18  Cary Coutant  <ccoutant@google.com>
1363
1364         PR gold/14344
1365         * configure.ac: Add check for -gpubnames support.
1366         * configure: Regenerate.
1367         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
1368         support; force -gno-pubnames.
1369         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
1370         support.
1371         (gdb_index_test_4): New test.
1372         * testsuite/Makefile.in: Regenerate.
1373         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
1374         * testsuite/gdb_index_test_2.sh: Likewise.
1375         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
1376         * testsuite/gdb_index_test_4.sh: New script.
1377         * testsuite/gdb_index_test_comm.sh: New script with common code;
1378         don't look for space after colon.
1379
1380 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
1381
1382         * gold.cc (queue_middle_tasks): Update function order only after
1383         deferred objects due to plugins are processed.
1384
1385 2012-07-11  Ian Lance Taylor  <iant@google.com>
1386
1387         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
1388         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
1389         (Target_arm::scan_reloc_for_stub): Likewise.
1390         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
1391         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
1392         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
1393         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
1394         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
1395
1396 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
1397             Ian Lance Taylor  <iant@google.com>
1398
1399         PR gold/14309
1400         * configure.ac: Test whether std::tr1::hash<off_t> works.
1401         * gold.h: Add a specialization for std::tr1::hash<off_t> if
1402         needed.
1403         * output.h (class Output_fill): Add virtual destructor.
1404         * configure, config.in: Rebuild.
1405
1406 2012-06-22  Roland McGrath  <mcgrathr@google.com>
1407
1408         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
1409
1410 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
1411
1412         * plugin.cc (Plugin::load): Handle position independent executables.
1413
1414 2012-06-06  Cary Coutant  <ccoutant@google.com>
1415
1416         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
1417         add .debug_macro.
1418         (lines_only_debug_sections): Likewise.
1419         (gdb_fast_lookup_sections): New static array.
1420         (is_gdb_debug_section): Rename formal parameter.
1421         (is_lines_only_debug_section): Likewise.
1422         (is_gdb_fast_lookup_section): New function.
1423         (Layout::include_section): Check for ".zdebug_" prefix; pass
1424         section name suffix to is_gdb_debug_section, et al.; check for
1425         fast-lookup sections when building .gdb_index.
1426         * options.h (--strip-debug-gdb): Update GDB version number.
1427
1428 2012-06-06  Cary Coutant  <ccoutant@google.com>
1429
1430         * configure.ac: Add check for fallocate.
1431         * configure: Regenerate.
1432         * config.in: Regenerate.
1433
1434         * options.h (class General_options): Add --mmap-output-file and
1435         --posix-fallocate options.
1436         * output.cc: (posix_fallocate): Remove; replace with...
1437         (gold_fallocate): New function.
1438         (Output_file::map_no_anonymous): Call gold_fallocate.
1439         (Output_file::map): Check --mmap-output-file option.
1440
1441 2012-06-05  Jing Yu  <jingyu@google.com>
1442
1443         * gold.h (textdomain): Add do {} to empty while(0).
1444         (bindtextdomain): Likewise.
1445
1446 2012-06-04  Cary Coutant  <ccoutant@google.com>
1447
1448         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
1449         has_dynsym_index.
1450
1451 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
1452
1453         * symtab.cc (Symbol_table::define_special_symbol):
1454         Initialize *poldsym to prevent uninitialized variable errors.
1455
1456 2012-05-23  Cary Coutant  <ccoutant@google.com>
1457
1458         * layout.cc (Layout::section_name_mapping): Add rules to handle
1459         exact match on .data.rel.ro.local or .data.rel.ro.
1460         (Layout::output_section_name): Check for exact matches.
1461
1462 2012-05-23  Cary Coutant  <ccoutant@google.com>
1463
1464         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
1465         more carefully.
1466
1467 2012-05-22  Cary Coutant  <ccoutant@google.com>
1468
1469         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
1470         object before exporting symbol.
1471
1472 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1473
1474         * testsuite/tls_test.cc: Include "config.h" first.
1475         * testsuite/tls_test_c.c: Likewise.
1476
1477 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
1478             Nick Clifton  <nickc@redhat.com>
1479
1480         PR 14072
1481         * configure.in: Add check that sysdep.h has been included before
1482         any system header files.
1483         * configure: Regenerate.
1484         * config.in: Regenerate.
1485
1486 2012-05-14  Cary Coutant  <ccoutant@google.com>
1487
1488         * layout.cc (Layout::make_output_section): Mark .tdata section
1489         as RELRO.
1490         * testsuite/relro_test.cc: Add a TLS variable.
1491
1492 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1493
1494         PR gold/14091
1495         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
1496         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
1497         R_X86_64_64.
1498
1499 2012-05-08  Cary Coutant  <ccoutant@google.com>
1500
1501         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
1502         (lines_only_debug_sections): Likewise.
1503
1504 2012-05-02  Roland McGrath  <mcgrathr@google.com>
1505
1506         * nacl.cc: New file.
1507         * nacl.h: New file.
1508         * Makefile.am (CCFILES, HFILES): Add them.
1509         * Makefile.in: Regenerate.
1510         * i386.cc (Output_data_plt_i386_nacl): New class.
1511         (Output_data_plt_i386_nacl_exec): New class.
1512         (Output_data_plt_i386_nacl_dyn): New class.
1513         (Target_i386_nacl): New class.
1514         (Target_selector_i386_nacl): New class.
1515         (target_selector_i386): Use it instead of Target_selector_i386.
1516         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
1517         (Target_x86_64_nacl): New class.
1518         (Target_selector_x86_64_nacl): New class.
1519         (target_selector_x86_64, target_selector_x32): Use it instead of
1520         Target_selector_x86_64.
1521         * arm.cc (Output_data_plt_arm_nacl): New class.
1522         (Target_arm_nacl): New class.
1523         (Target_selector_arm_nacl): New class.
1524         (target_selector_arm, target_selector_armbe): Use it instead of
1525         Target_selector_arm.
1526
1527         * target-select.cc (select_target): Take new Input_file* and off_t
1528         arguments, pass them on to recognize method of selector.
1529         * object.cc (make_elf_sized_object): Update caller.
1530         * parameters.cc (parameters_force_valid_target): Likewise.
1531         * incremental.cc (make_sized_incremental_binary): Likewise.
1532         * target-select.h: Update decl.
1533         (Target_selector::recognize): Take new Input_file* argument,
1534         pass it on to do_recognize.
1535         (Target_selector::do_recognize): Take new Input_file* argument.
1536         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
1537         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
1538         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
1539         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
1540
1541         * target.h (Target::Target_info): New members isolate_execinstr
1542         and rosegment_gap.
1543         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
1544         * arm.cc (Target_arm::arm_info): Update initializer.
1545         * i386.cc (Target_i386::i386_info): Likewise.
1546         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
1547         * sparc.cc (Target_sparc::sparc_info): Likewise.
1548         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1549         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
1550         * layout.cc (Layout::attach_allocated_section_to_segment):
1551         Take new const Target* argument.  If target->isolate_execinstr(), act
1552         like --rosegment.
1553         (Layout::find_first_load_seg): Take new const Target* argument;
1554         if target->isolate_execinstr(), reject PF_X segments.
1555         (Layout::relaxation_loop_body): Update caller.
1556         (Layout::set_segment_offsets): If target->isolate_execinstr(),
1557         reset file offset to zero when we hit LOAD_SEG, and then do a second
1558         loop over the segments before LOAD_SEG to reassign offsets after
1559         addresses have been determined.  Handle target->rosegment_gap().
1560         (Layout::attach_section_to_segment): Take new const Target* argument;
1561         pass it to attach_allocated_section_to_segment.
1562         (Layout::make_output_section): Update caller.
1563         (Layout::attach_sections_to_segments): Take new const Target* argument;
1564         pass it to attach_section_to_segment.
1565         * gold.cc (queue_middle_tasks): Update caller.
1566         * layout.h (Layout): Update method decls with new arguments.
1567
1568         * arm.cc (Target_arm::Target_arm): Take optional argument for the
1569         Target_info pointer to use.
1570         (Target_arm::do_make_data_plt): New virtual method.
1571         (Target_arm::make_data_plt): New method that calls it.
1572         (Target_arm::make_plt_entry): Use it.
1573         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
1574         for the section alignment.
1575         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
1576         method.
1577         (Output_data_plt_arm::first_plt_entry_offset): Call it.
1578         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
1579         method.
1580         (Output_data_plt_arm::get_plt_entry_size): Call it.
1581         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
1582         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
1583         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
1584         method.
1585         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
1586         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
1587         method instead of sizeof(plt_entry).
1588         (Output_data_plt_arm::add_entry): Likewise.
1589         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
1590         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
1591         than static method.
1592         (Target_arm::plt_entry_size): Likewise.
1593         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
1594         Move to ...
1595         (Output_data_plt_arm_standard): ... here, new class.
1596         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
1597         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
1598         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
1599
1600         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1601         Take additional argument for the PLT entry size.
1602         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
1603         Use get_plt_entry_size method rather than plt_entry_size variable.
1604         (Output_data_plt_x86_64::reserve_slot): Likewise.
1605         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
1606         (Output_data_plt_x86_64::add_entry): Likewise.
1607         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
1608         (Output_data_plt_x86_64::address_for_global): Likewise.
1609         (Output_data_plt_x86_64::address_for_local): Likewise.
1610         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1611         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
1612         Make method non-static.
1613         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
1614         method.
1615         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
1616         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
1617         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
1618         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
1619         virtual method.
1620         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
1621         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
1622         virtual method.
1623         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
1624         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
1625         virtual method.
1626         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
1627         (Output_data_plt_x86_64::plt_entry_size)
1628         (Output_data_plt_x86_64::first_plt_entry)
1629         (Output_data_plt_x86_64::plt_entry)
1630         (Output_data_plt_x86_64::tlsdesc_plt_entry)
1631         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
1632         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
1633         (Output_data_plt_x86_64_standard): ... here, new class.
1634         (Target_x86_64::Target_x86_64): Take optional argument for the
1635         Target_info pointer to use.
1636         (Target_x86_64::do_make_data_plt): New virtual method.
1637         (Target_x86_64::make_data_plt): New method to call it.
1638         (Target_x86_64::init_got_plt_for_update): Use that.
1639         Call this->plt_->add_eh_frame method here.
1640         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
1641         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
1642         rather than static method.
1643         (Target_x86_64::plt_entry_size): Likewise.
1644         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
1645         rather than plt_entry_size variable.  Move guts of PLT filling to...
1646         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
1647         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
1648         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
1649
1650         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
1651         additional argument for the section alignment.
1652         Don't do add_eh_frame_for_plt here.
1653         (Output_data_plt_i386::first_plt_entry_offset): Make the method
1654         non-static.  Use get_plt_entry_size method rather than plt_entry_size
1655         variable.
1656         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
1657         method.
1658         (Output_data_plt_i386::get_plt_entry_size): Call it.
1659         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
1660         (Output_data_plt_i386::add_eh_frame): New method to call it.
1661         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
1662         method.
1663         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
1664         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
1665         method.
1666         (Output_data_plt_i386::fill_plt_entry): New method to call it.
1667         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
1668         method instead of plt_entry_size.
1669         (Output_data_plt_i386::plt_entry_size)
1670         (Output_data_plt_i386::plt_eh_frame_fde_size)
1671         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
1672         (Output_data_plt_i386_standard): ... here, new class.
1673         (Output_data_plt_i386_exec): New class.
1674         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
1675         (Output_data_plt_i386_exec::first_plt_entry): ... here.
1676         (Output_data_plt_i386::exec_plt_entry): Move to ...
1677         (Output_data_plt_i386_exec::plt_entry): ... here.
1678         (Output_data_plt_i386_dyn): New class.
1679         (Output_data_plt_i386::first_plt_entry): Move to ...
1680         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
1681         (Output_data_plt_i386::dyn_plt_entry): Move to ...
1682         (Output_data_plt_i386_dyn::plt_entry): ... here.
1683         (Target_i386::Target_i386): Take optional argument for the Target_info
1684         pointer to use.
1685         (Target_i386::do_make_data_plt): New virtual method.
1686         (Target_i386::make_data_plt): New method to call it.
1687         (Target_i386::make_plt_section): Use that.
1688         Call this->plt_->add_eh_frame method here.
1689         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
1690         rather than plt_entry_size variable.
1691         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
1692         (Output_data_plt_i386::address_for_local): Likewise.
1693         (Output_data_plt_i386::do_write): Likewise.
1694         Move guts of PLT filling to...
1695         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
1696         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
1697         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
1698         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
1699
1700 2012-05-01  Cary Coutant  <ccoutant@google.com>
1701
1702         * dwarf_reader.cc (Dwarf_die::read_attributes)
1703         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
1704         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
1705         * reduced_debug_output.cc
1706         (Output_reduced_debug_info_section::get_die_end): Remove
1707         DW_FORM_GNU_ref_index.  Add default case.
1708
1709 2012-04-26  Mark Wielaard  <mjw@redhat.com>
1710
1711         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
1712         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
1713         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
1714         DW_AT_high_pc as offset from DW_AT_low_pc.
1715
1716         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
1717         * testsuite/Makefile.in: Regenerate.
1718         * testsuite/gdb_index_test_3.c: New test source file.
1719         * testsuite/gdb_index_test_3.sh: New test source file.
1720
1721 2012-04-25  Ian Lance Taylor  <iant@google.com>
1722
1723         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
1724         pointer.
1725         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
1726         as a class, not a struct.
1727         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
1728         (Target_arm::apply_cortex_a8_workaround): Likewise.
1729         * gc.h: Declare Reloc_types as a struct, not a class.
1730         * object.h: Declare Symbols_data as a struct.
1731         * reloc.h: Declare Read_relocs_data as a struct.
1732         * target.h: Declare Relocate_info as a struct.
1733
1734 2012-04-24  David S. Miller  <davem@davemloft.net>
1735
1736         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
1737         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
1738         and R_SPARC_WPLT30.
1739
1740 2012-04-24  Cary Coutant  <ccoutant@google.com>
1741
1742         * incremental-dump.cc (find_input_containing_global): Replace
1743         magic number with symbolic constant.
1744         (dump_incremental_inputs): Update version number.
1745         * incremental.cc (Output_section_incremental_inputs): Update version
1746         number; import symbolic constants from Incremental_inputs_reader.
1747         (Incremental_inputs::create_data_sections): Align relocations
1748         section correctly for 64-bit targets.
1749         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
1750         constants; add padding.
1751         (Output_section_incremental_inputs::write_header): Add assert for
1752         header_size.
1753         (Output_section_incremental_inputs::write_input_files): Add assert
1754         for input_entry_size.
1755         (Output_section_incremental_inputs::write_info_blocks): Add padding;
1756         add assert for object_info_size, input_section_entry_size,
1757         global_sym_entry_size.
1758         * incremental.h (Incremental_inputs_reader): Add symbolic constants
1759         for data structure sizes; use them.
1760         (Incremental_input_entry_reader): Import symbolic constants from
1761         Incremental_inputs_reader; use them.
1762
1763 2012-04-23  David S. Miller  <davem@davemloft.net>
1764
1765         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
1766         and elf_flags_set_.
1767         (Target_sparc::Target_sparc): Initialize new fields.
1768         (Target_sparc::do_make_elf_object): New function.
1769         (Target_sparc::do_adjust_elf_header): New function.
1770
1771 2012-04-23  Cary Coutant  <ccoutant@google.com>
1772
1773         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
1774         CU range table of gdb index.
1775
1776 2012-04-20  David S. Miller  <davem@davemloft.net>
1777
1778         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
1779         instead of false.
1780
1781 2012-04-16  David S. Miller  <davem@davemloft.net>
1782
1783         * sparc.cc (Target_sparc::got_address): New function.
1784         (Sparc_relocate_functions::gdop_hix22): New function.
1785         (Sparc_relocate_functions::gdop_lox10): New function.
1786         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
1787         relocs.
1788         (Target_sparc::Scan::local): Likewise if the global symbol is not
1789         preemptible and is not IFUNC.
1790         (Target_sparc::Relocate::relocate): Perform GOTDATA code
1791         transformations for local and non-preemptible non-IFUNC global
1792         symbols.
1793
1794         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
1795         writing out 64-bit part of ranges.
1796
1797         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
1798         -fpic and -fpie respectively.
1799         * Makefile.in: Regenerate.
1800
1801         * sparc.cc (class Target_sparc): Add rela_ifunc_.
1802         (Target_sparc::Target_sparc): Initialize new field.
1803         (Target_sparc::do_plt_section_for_global): New function.
1804         (Target_sparc::do_plt_section_for_local): New function.
1805         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
1806         (Target_sparc::make_plt_section): New function, broken out of
1807         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
1808         (Target_sparc::make_plt_entry): Call make_plt_section.
1809         (Target_sparc::make_local_ifunc_plt_entry): New function.
1810         (Target_sparc::rela_ifunc_section): New function.
1811         (Target_sparc::plt_section): Remove const.
1812         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
1813         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
1814         and ifunc_count_ fields.
1815         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
1816         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
1817         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
1818         (Output_data_plt_sparc::rela_ifunc): New function.
1819         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
1820         (Output_data_plt_sparc::has_ifunc_section): New function.
1821         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
1822         (Output_data_plt_sparc::address_for_global): New function.
1823         (Output_data_plt_sparc::address_for_local): New function.
1824         (Output_data_plt_sparc::plt_index_to_offset): New function.
1825         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
1826         and entry_count.
1827         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
1828         entry_count.
1829         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
1830         R_SPARC_JMP_IREL to switch.
1831         (Target_sparc::Scan::check_non_pic): Likewise.
1832         (Target_sparc::Scan::local): Handle IFUNC symbols.
1833         (Target_sparc::Scan::local): Likewise.
1834         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
1835         and plt_address_for_local.
1836         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
1837         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
1838
1839         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
1840         (class Output_data_reloc): Adjust calls to Output_reloc_type.
1841         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
1842         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
1843         global relocs too.
1844         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
1845         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
1846         calls.
1847         * sparc.cc (Target_sparc::Scan::global): Likewise.
1848         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1849
1850 2012-04-16  Cary Coutant  <ccoutant@google.com>
1851
1852         * archive.cc (Library_base::should_include_member): Check for
1853         --export-dynamic-symbol.
1854         * options.h (class General_options): Add --export-dynamic-symbol.
1855         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
1856         --export-dynamic-symbol.
1857         (Symbol_table::gc_mark_undef_symbols): Likewise.
1858         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
1859
1860 2012-04-12  David S. Miller  <davem@davemloft.net>
1861
1862         * sparc.cc (Reloc::wdisp10): New relocation method.
1863         (Reloc::h34): Likewise.
1864         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
1865         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
1866         R_SPARC_WDISP10.
1867         (Target_sparc::Scan::local): Likewise.
1868         (Target_sparc::Scan::global): Likewise.
1869         (Target_sparc::Relocate::relocate): Likewise.
1870
1871 2012-04-09  Cary Coutant  <ccoutant@google.com>
1872
1873         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
1874         low_pc == 0.
1875
1876 2012-04-06  Ian Lance Taylor  <iant@google.com>
1877
1878         * timer.cc: #include <unistd.h>.
1879
1880 2012-04-06  Roland McGrath  <mcgrathr@google.com>
1881
1882         * configure.in (AC_CHECK_HEADERS): Add locale.h.
1883         * config.in: Regenerate.
1884         * configure: Regenerate.
1885
1886 2012-04-05  Nick Clifton  <nickc@redhat.com>
1887
1888         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
1889         (AM_LC_MESSAGES): Add.
1890         * aclocal.m4: Regenerate.
1891         * config.in: Regenerate.
1892         * configure: Regenerate.
1893
1894 2012-03-21  Cary Coutant  <ccoutant@google.com>
1895
1896         * Makefile.am: Add gdb-index.cc, gdb-index.h.
1897         * Makefile.in: Regenerate.
1898         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
1899         (Sized_elf_reloc_mapper::symbol_section): New function.
1900         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
1901         (make_elf_reloc_mapper): New function.
1902         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
1903         (Dwarf_abbrev_table::do_read_abbrevs): New function.
1904         (Dwarf_abbrev_table::do_get_abbrev): New function.
1905         (Dwarf_ranges_table::read_ranges_table): New function.
1906         (Dwarf_ranges_table::read_range_list): New function.
1907         (Dwarf_pubnames_table::read_section): New function.
1908         (Dwarf_pubnames_table::read_header): New function.
1909         (Dwarf_pubnames_table::next_name): New function.
1910         (Dwarf_die::Dwarf_die): New function.
1911         (Dwarf_die::read_attributes): New function.
1912         (Dwarf_die::skip_attributes): New function.
1913         (Dwarf_die::set_name): New function.
1914         (Dwarf_die::set_linkage_name): New function.
1915         (Dwarf_die::attribute): New function.
1916         (Dwarf_die::string_attribute): New function.
1917         (Dwarf_die::int_attribute): New function.
1918         (Dwarf_die::uint_attribute): New function.
1919         (Dwarf_die::ref_attribute): New function.
1920         (Dwarf_die::child_offset): New function.
1921         (Dwarf_die::sibling_offset): New function.
1922         (Dwarf_info_reader::check_buffer): New function.
1923         (Dwarf_info_reader::parse): New function.
1924         (Dwarf_info_reader::do_parse): New function.
1925         (Dwarf_info_reader::do_read_string_table): New function.
1926         (Dwarf_info_reader::lookup_reloc): New function.
1927         (Dwarf_info_reader::get_string): New function.
1928         (Dwarf_info_reader::visit_compilation_unit): New function.
1929         (Dwarf_info_reader::visit_type_unit): New function.
1930         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
1931         Sized_elf_reloc_mapper.
1932         (Sized_dwarf_line_info::symbol_section): Remove function.
1933         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
1934         (Sized_dwarf_line_info::read_line_mappings): Remove object
1935         parameter, adjust callers.
1936         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
1937         * dwarf_reader.h: Include <sys/types.h>.
1938         (class Track_relocs): Remove forward declaration.
1939         (class Elf_reloc_mapper): New class.
1940         (class Sized_elf_reloc_mapper): New class.
1941         (class Dwarf_abbrev_table): New class.
1942         (class Dwarf_range_list): New class.
1943         (class Dwarf_ranges_table): New class.
1944         (class Dwarf_pubnames_table): New class.
1945         (class Dwarf_die): New class.
1946         (class Dwarf_info_reader): New class.
1947         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
1948         (Sized_dwarf_line_info::symbol_section): Remove member function.
1949         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
1950         base class.
1951         * gdb-index.cc: New source file.
1952         * gdb-index.h: New source file.
1953         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
1954         and .debug_types sections, call Layout::add_to_gdb_index.
1955         (Sized_relobj_incr::do_section_name): Implement.
1956         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
1957         return type; Implement.
1958         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
1959         return type.
1960         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
1961         parameter list and return type.
1962         (Sized_incr_dynobj::do_section_contents): Likewise.
1963         * layout.cc: Include gdb-index.h.
1964         (Layout::Layout): Initialize gdb_index_data_.
1965         (Layout::init_fixed_output_section): Check for .gdb_index section.
1966         (Layout::add_to_gdb_index): New function. Instantiate.
1967         * layout.h: Add forward declaration for class Gdb_index.
1968         (Layout::add_to_gdb_index): New member function.
1969         (Layout::gdb_index_data_): New data member.
1970         * main.cc: Include gdb-index.h.
1971         (main): Print statistics for gdb index.
1972         * object.cc (Object::section_contents): Move code into
1973         do_section_contents.
1974         (need_decompressed_section): Check for sections needed when building
1975         gdb index.
1976         (build_compressed_section_map): Likewise.
1977         (Sized_relobj_file::do_read_symbols): Need local symbols when building
1978         gdb index.
1979         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
1980         sections; call Layout::add_to_gdb_index.
1981         (Sized_relobj_file::do_decompressed_section_contents): Call
1982         do_section_contents directly.
1983         * object.h (Object::do_section_contents): Adjust parameter list and
1984         return type.
1985         (Object::do_decompressed_section_contents): Call do_section_contents
1986         directly.
1987         (Sized_relobj_file::do_section_contents): Adjust parameter list and
1988         return type.
1989         * options.h (class General_options): Add --gdb-index option.
1990         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
1991         list and return type.
1992         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
1993         * reloc.h (Track_relocs::checkpoint): New function.
1994         (Track_relocs::reset): New function.
1995
1996         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
1997         New test cases.
1998         * testsuite/Makefile.in: Regenerate.
1999         * testsuite/gdb_index_test.cc: New test source file.
2000         * testsuite/gdb_index_test_1.sh: New test source file.
2001         * testsuite/gdb_index_test_2.sh: New test source file.
2002
2003 2012-03-19  Doug Kwan  <dougkwan@google.com>
2004
2005         * arm.cc (Target_arm::do_define_standard_symbols): New method.
2006         (Target_arm::do_finalize_sections): Remove code which defines
2007         __exidx_start and __exidx_end.  Make symbol table parameter
2008         anonymous as it is not used.
2009         * gold.cc (queue_middle_tasks): Call target hook to define any
2010         target-specific symbols.
2011         * target.h (Target::define_standard_symbols): New method.
2012         (Target::do_define_standard_symbols): Same.
2013         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
2014         * testsuite/Makefile.in: Regenerate.
2015         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
2016         and __exidx_end.
2017         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
2018         relocations are generated for __exidx_start and __exidx_end.
2019
2020 2012-03-16  Doug Kwan  <dougkwan@google.com>
2021
2022         * testsuite/Makefile.am: Disable test initpri3b.
2023         * testsuite/Makefile.in: Regenerate.
2024
2025 2012-03-15  Doug Kwan  <dougkwan@google.com>
2026
2027         * arm.cc (Target_arm::got_section): Make .got section read-only
2028         if -z now is given.
2029
2030 2012-03-15  Ian Lance Taylor  <iant@google.com>
2031
2032         PR gold/13850
2033         * layout.cc (Layout::make_output_section): Correctly mark
2034         SHT_INIT_ARRAY, et. al., as relro.
2035
2036 2012-03-14  Doug Kwan  <dougkwan@google.com>
2037
2038         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
2039         dynamic relocations for protected symbols in shared objects.
2040
2041 2012-03-13  Ian Lance Taylor  <iant@google.com>
2042
2043         * resolve.cc (Symbol_table::resolve): When merging common symbols,
2044         keep the larger alignment.
2045
2046 2012-03-12  Cary Coutant  <ccoutant@google.com>
2047
2048         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
2049         handling of DW_LNE_define_file.
2050
2051 2012-03-12  Cary Coutant  <ccoutant@google.com>
2052
2053         * reduced_debug_output.cc
2054         (Output_reduced_debug_info_section::get_die_end): Add new FORM
2055         codes to switch.
2056
2057 2012-02-29  Cary Coutant  <ccoutant@google.com>
2058
2059         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
2060
2061 2012-02-29  Cary Coutant  <ccoutant@google.com>
2062
2063         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2064         Call Object::decompressed_section_contents.
2065         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
2066         New dtor.
2067         (Sized_dwarf_line_info::buffer_start_): New data member.
2068         * merge.cc (Output_merge_data::do_add_input_section): Call
2069         Object::decompressed_section_contents.
2070         (Output_merge_string::do_add_input_section): Likewise.
2071         * object.cc (need_decompressed_section): New function.
2072         (build_compressed_section_map): Decompress sections needed later.
2073         (Sized_relobj_file::do_decompressed_section_contents): New function.
2074         (Sized_relobj_file::do_discard_decompressed_sections): New function.
2075         * object.h (Object::decompressed_section_contents): New function.
2076         (Object::discard_decompressed_sections): New function.
2077         (Object::do_decompressed_section_contents): New function.
2078         (Object::do_discard_decompressed_sections): New function.
2079         (Compressed_section_info): New type.
2080         (Compressed_section_map): Include decompressed section contents.
2081         (Sized_relobj_file::do_decompressed_section_contents): New function.
2082         (Sized_relobj_file::do_discard_decompressed_sections): New function.
2083
2084 2012-02-16  Cary Coutant  <ccoutant@google.com>
2085
2086         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
2087         * testsuite/Makefile.in: Regenerate.
2088
2089 2012-02-14  Cary Coutant  <ccoutant@google.com>
2090
2091         * options.cc (General_options::finalize): Disallow -pie and -static.
2092
2093 2012-02-03  Doug Kwan  <dougkwan@google.com>
2094
2095         * arm.cc (Arm_relocate_functions::abs8,
2096         Arm_relocate_functions::abs16): Use
2097         Bits::has_signed_unsigned_overflow32.
2098         (Arm_relocate_functions::thm_abs8): Correct range of
2099         overflow check.
2100         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
2101         in assertions.
2102
2103 2012-02-02  Doug Kwan  <dougkwan@google.com>
2104
2105         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
2106         position independent outputs, not just shared objects.
2107
2108 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
2109
2110         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
2111         * configure: Regenerated.
2112
2113 2012-01-27  Ian Lance Taylor  <iant@google.com>
2114
2115         * reloc.h (Bits): New class with static functions, copied from
2116         namespace utils in arm.cc.
2117         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
2118         instead.
2119
2120 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2121
2122         * incremental.cc (write_info_blocks): Correct relocation offset.
2123
2124 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2125
2126         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
2127         (Relocate::tls_gd_to_le): Likewise.
2128
2129 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2130
2131         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
2132
2133 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2134
2135         * configure.ac: Check if -mcmodel=medium works.
2136         * configure: Regenerated.
2137
2138 2012-01-24  Cary Coutant  <ccoutant@google.com>
2139
2140         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
2141         definition and ...
2142         (read_unsigned_LEB_128_x): ... this new function.
2143         (read_signed_LEB_128): Replaced with inline definition and ...
2144         (read_signed_LEB_128_x): ... this new function.
2145         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
2146         (read_unsigned_LEB_128): Add inline definition.
2147         (read_signed_LEB_128_x): New function.
2148         (read_signed_LEB_128): Add inline definition.
2149         * testsuite/Makefile.am (leb128_unittest): New unit test.
2150         * testsuite/Makefile.in: Regenerate.
2151         * testsuite/leb128_unittest.cc: New unit test.
2152
2153 2012-01-23  Ian Lance Taylor  <iant@google.com>
2154
2155         PR gold/13617
2156         * i386.cc (Target_i386::do_code_fill): When using a jmp
2157         instruction, pad with nop instructions.
2158         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
2159
2160 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2161
2162         * x86_64.cc (gc_process_relocs): Add typename on types used in
2163         template.
2164         (scan_relocs): Likewise.
2165         (relocate_section): Likewise.
2166         (apply_relocation): Likewise.
2167
2168 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
2169
2170         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
2171         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
2172         under x32.
2173
2174 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
2175
2176         * x86_64.cc: Initial support for x32.
2177
2178 2012-01-03  Cary Coutant  <ccoutant@google.com>
2179
2180         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
2181         Use abstract base class for GOT.
2182         * gold/output.h (class Output_data_got_base): New abstract base class.
2183         (class Output_data_got): Derive from new base class, adjust ctors.
2184         (Output_data_got::reserve_slot): Make virtual; rename to
2185         do_reserve_slot; Adjust callers.
2186         * gold/target.h (Sized_target::init_got_plt_for_update): Return
2187         pointer to abstract base class.
2188         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
2189
2190 2011-12-18  Ian Lance Taylor  <iant@google.com>
2191
2192         * object.h (Relobj::local_symbol_value): New function.
2193         (Relobj::local_plt_offset): New function.
2194         (Relobj::local_has_got_offset): New function.
2195         (Relobj::local_got_offset): New function.
2196         (Relobj::set_local_got_offset): New function.
2197         (Relobj::do_local_symbol_value): New pure virtual function.
2198         (Relobj::do_local_plt_offset): Likewise.
2199         (Relobj::do_local_has_got_offset): Likewise.
2200         (Relobj::do_local_got_offset): Likewise.
2201         (Relobj::do_set_local_got_offset): Likewise.
2202         (Sized_relobj::do_local_has_got_offset): Rename from
2203         local_has_got_offset.
2204         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
2205         (Sized_relobj::do_set_local_got_offset): Rename from
2206         set_local_got_offset.
2207         (Sized_relobj_file::do_local_plt_offset): Rename from
2208         local_plt_offset.
2209         (Sized_relobj_file::do_local_symbol_value): New function.
2210         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
2211         local_plt_offset.
2212         * output.cc (Output_data_got::Got_entry::write): Change object to
2213         Relobj.  Use local_symbol_value.
2214         (Output_data_got::add_global_with_rel): Change rel_dyn to
2215         Output_data_reloc_generic*.  Use add_global_generic.
2216         (Output_data_got::add_global_with_rela): Remove.  Change all
2217         callers to use add_global_with_rel.
2218         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
2219         Output_data_reloc_generic*.  Use add_global_generic.
2220         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
2221         callers to use add_global_pair_with_rel.
2222         (Output_data_got::add_local): Change object to Relobj*.
2223         (Output_data_got::add_local_plt): Likewise.
2224         (Output_data_got::add_local_with_rel): Change object to Relobj*,
2225         change rel_dyn to Output_data_reloc_generic*.  Use
2226         add_local_generic.
2227         (Output_data_got::add_local_with_rela): Remove.  Change all
2228         callers to use all_local_with_rel.
2229         (Output_data_got::add_local_pair_with_rel): Change object to
2230         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
2231         add_output_section_generic.
2232         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
2233         callers to use add_local_pair_with_rel.
2234         (Output_data_got::reserve_local): Change object to Relobj*.
2235         * output.h: (class Output_data_reloc_generic): Add pure virtual
2236         declarations for add_global_generic, add_local_generic,
2237         add_output_section_generic.
2238         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
2239         functions for Output_data_reloc_generic.  Update declarations for
2240         changes listed in output.cc.
2241         (class Output_data_got): Change template parameter to got_size.
2242         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
2243         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
2244         function.
2245         (Sized_relobj_incr::do_local_plt_offset): New function.
2246         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
2247         add_global_generic.
2248
2249 2011-12-17  Cary Coutant  <ccoutant@google.com>
2250
2251         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
2252         * resolve.cc (Symbol_table::resolve): Likewise.
2253         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
2254         arrays.
2255         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
2256
2257 2011-12-16  Ian Lance Taylor  <iant@google.com>
2258
2259         * output.h (Output_data_reloc_generic::add): Only call
2260         add_dynamic_reloc if this is a dynamic reloc section.
2261
2262 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
2263
2264         PR gold/13505
2265         * target-reloc.h (apply_relocation): Replace <64, false> with
2266         <size, big_endian>.
2267
2268 2011-11-25  Nick Clifton  <nickc@redhat.com>
2269
2270         * po/it.po: New Italian translation.
2271
2272 2011-11-17  Sterling Augustine  <saugustine@google.com>
2273
2274         * script.cc (script_include_directive): Implement.
2275         (read_script_file): New local variables name and search_path. Update
2276         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
2277         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
2278         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
2279
2280 2011-11-11  Sterling Augustine  <saugustine@google.com>
2281
2282         * yyscript.y (section_cmd): Add support for INCLUDE directive.
2283         (file_or_sections_cmd): Likewise.
2284
2285 2011-11-11  Doug Kwan  <dougkwan@google.com>
2286
2287         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
2288         if --just-symbols is given.
2289
2290 2011-11-10  Doug Kwan  <dougkwan@google.com>
2291
2292         PR gold/13362
2293         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
2294         when processing data relocs.
2295         * reloc.h (Relocate_functions::rel_unaligned): New method.
2296         (Relocate_functions::pcrel_unaligned): Ditto.
2297         (Relocate_functions::rel32_unaligned): Ditto.
2298         (Relocate_functions::pcrel32_unaligned): Ditto.
2299
2300 2011-11-09  Doug Kwan  <dougkwan@google.com>
2301
2302         PR gold/13362
2303         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
2304         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
2305         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
2306         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
2307         (Relocate_functions::rel_unaligned): New.
2308         (Relocate_functions::rel32_unaligned): New.
2309         * target-reloc.h (relocate_for_relocatable): Add code to handle
2310         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
2311         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
2312         arm_unaligned_reloc_r): New targets.
2313         * testsuite/Makefile.in: Regenerate.
2314         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
2315         linking.
2316
2317 2011-11-02  Ian Lance Taylor  <iant@google.com>
2318
2319         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
2320         NATIVE_LINKER.
2321         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
2322         * options.cc (General_options::finalize): Use library search path
2323         from configure script if specified.  If not native and no sysroot,
2324         only search TOOLLIBDIR.
2325         * options.h (Search_directory::Search_directory): Change name to
2326         const std::string&.
2327         (General_options::add_to_library_path_with_sysroot): Change arg to
2328         const std::string&.
2329         * configure, Makefile.in, config.in: Rebuild.
2330
2331 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2332
2333         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
2334         we are working around the ARM1176 Erratum.
2335         * options.h (General_options::fix_arm1176): Add option.
2336         * testsuite/Makefile.am: Add testcases, and keep current ones
2337         working.
2338         * testsuite/Makefile.in: Regenerate.
2339         * testsuite/arm_fix_1176.s: New file.
2340         * testsuite/arm_fix_1176.sh: Likewise.
2341
2342 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2343
2344         * arm.cc (Target_arm::Target_arm): Remove initialisation of
2345         may_use_blx_.
2346         (Target_arm::may_use_blx): Remove method.
2347         (Target_arm::set_may_use_blx): Likewise.
2348         (Target_arm::may_use_v4t_interworking): New method.
2349         (Target_arm::may_use_v5t_interworking): Likewise.
2350         (Target_arm::may_use_blx_): Remove member variable.
2351         (Arm_relocate_functions::arm_branch_common): Check for v5T
2352         interworking.
2353         (Arm_relocate_functions::thumb_branch_common): Likewise.
2354         (Reloc_stub::stub_type_for_reloc): Likewise.
2355         (Target_arm::do_finalize_sections): Correct interworking checks.
2356         * testsuite/Makefile.am: Add new tests.
2357         * testsuite/Makefile.in: Regenerate.
2358         * testsuite/arm_farcall_arm_arm.s: New test.
2359         * testsuite/arm_farcall_arm_arm.sh: Likewise.
2360         * testsuite/arm_farcall_arm_thumb.s: Likewise.
2361         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
2362         * testsuite/arm_farcall_thumb_arm.s: Likewise.
2363         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
2364         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
2365         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
2366
2367 2011-10-31  Cary Coutant  <ccoutant@google.com>
2368
2369         PR gold/13023
2370         * expression.cc (Expression::eval_with_dot): Add
2371         is_section_dot_assignment parameter.
2372         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
2373         absolute and assigning to dot within a section.
2374         * script-sections.cc
2375         (Output_section_element_assignment::set_section_addresses): Pass
2376         dot_section to set_if_absolute.
2377         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
2378         as is_section_dot_assignment flag to eval_with_dot.
2379         (Output_section_element_dot_assignment::set_section_addresses):
2380         Likewise.
2381         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
2382         parameter.  Also set value if relative to dot_section; set the
2383         symbol's output_section.
2384         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
2385         parameter.  Adjust all callers.
2386         (Expression::eval_maybe_dot): Likewise.
2387         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
2388         Adjust all callers.
2389         * testsuite/script_test_2.t: Test assignment of an absolute value
2390         to dot within an output section element.
2391
2392 2011-10-31  Cary Coutant  <ccoutant@google.com>
2393
2394         * options.h (class General_options): Add --[no-]gnu-unique options.
2395         * symtab.cc (Symbol_table::sized_write_globals): Convert
2396         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
2397
2398 2011-10-31  Cary Coutant  <ccoutant@google.com>
2399
2400         PR gold/13359
2401         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
2402         unnecessary assertion.
2403         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
2404
2405 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
2406
2407         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
2408         gc_mark_symbol.
2409         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
2410         gc_mark_symbol.
2411         Change to just keep the section associated with symbol.
2412         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
2413         they are externally visible and --export-dynamic is turned on.
2414         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
2415
2416 2011-10-19  Ian Lance Taylor  <iant@google.com>
2417
2418         PR gold/13163
2419         * script-sections.cc
2420         (Output_section_element_dot_assignment::needs_output_section): New
2421         function.
2422
2423 2011-10-19  Ian Lance Taylor  <iant@google.com>
2424
2425         PR gold/13204
2426         * layout.cc (Layout::segment_precedes): Don't assert failure if a
2427         --section-start option was seen.
2428         * options.h (General_options::any_section_start): New function.
2429
2430 2011-10-18  David S. Miller  <davem@davemloft.net>
2431
2432         PR binutils/13301
2433         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
2434         member to track relocation locations that have moved during TLS
2435         reloc optimizations.
2436         (Target_sparc::Relocate::Relocate): Initialize to NULL.
2437         (Target_sparc::Relocate::relocate): Adjust view down by 4
2438         bytes if it matches reloc_adjust_addr_.
2439         (Target_sparc::Relocate::relocate_tls): Always move the
2440         __tls_get_addr call delay slot instruction forward 4 bytes when
2441         performing relaxation.
2442
2443 2011-10-18  Cary Coutant  <ccoutant@google.com>
2444
2445         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
2446         (Output_file::map_no_anonymous): Check for non-zero
2447         return code from posix_fallocate.
2448
2449 2011-10-17  Cary Coutant  <ccoutant@google.com>
2450
2451         PR gold/13245
2452         * plugin.cc (is_visible_from_outside): Check for symbols
2453         referenced from dynamic objects.
2454         * resolve.cc (Symbol_table::resolve): Don't count references
2455         from dynamic objects as references from real ELF files.
2456         * testsuite/plugin_test_2.sh: Adjust expected result.
2457
2458 2011-10-17  Cary Coutant  <ccoutant@google.com>
2459
2460         * gold.cc: Include timer.h.
2461         (queue_middle_tasks): Stamp time.
2462         (queue_final_tasks): Likewise.
2463         * main.cc (main): Store timer in parameters.  Print timers
2464         for each pass.
2465         * parameters.cc (Parameters::Parameters): Initialize timer_.
2466         (Parameters::set_timer): New function.
2467         (set_parameters_timer): New function.
2468         * parameters.h (Parameters::set_timer): New function.
2469         (Parameters::timer): New function.
2470         (Parameters::timer_): New data member.
2471         (set_parameters_timer): New function.
2472         * timer.cc (Timer::stamp): New function.
2473         (Timer::get_pass_time): New function.
2474         * timer.h (Timer::stamp): New function.
2475         (Timer::get_pass_time): New function.
2476         (Timer::pass_times_): New data member.
2477
2478 2011-10-17  Cary Coutant  <ccoutant@google.com>
2479
2480         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
2481         task for members of lib groups.
2482
2483 2011-10-17  Cary Coutant  <ccoutant@google.com>
2484
2485         PR gold/13288
2486         * fileread.cc (File_read::find_view): Add assert.
2487         (File_read::make_view): Move bounds check (replace with assert)...
2488         (File_read::find_or_make_view): ... to here.
2489
2490 2011-10-12  Cary Coutant  <ccoutant@google.com>
2491
2492         * output.cc (Output_file::open_base_file): Handle case where
2493         ::read returns less than requested size.
2494
2495 2011-10-10  Cary Coutant  <ccoutant@google.com>
2496
2497         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
2498         Initialize defined_count_.
2499         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
2500         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
2501         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
2502         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
2503         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
2504         * incremental.h (Sized_relobj_incr::defined_count_): New data
2505         member.
2506         (Sized_incr_dynobj::defined_count_): New data member.
2507         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
2508         Return zeroes instead of internal error.
2509
2510 2011-10-10  Cary Coutant  <ccoutant@google.com>
2511
2512         PR gold/13249
2513         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
2514         (Output_reloc::symbol_value): Return PLT offset if flag is set.
2515         * output.h (class Output_reloc): Add use_plt_offset flag.
2516         (Output_reloc::type_): Adjust size of bit field.
2517         (Output_reloc::use_plt_offset_): New bit field.
2518         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
2519         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
2520         flag.  Adjust all callers.
2521         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
2522         creating RELATIVE relocations.
2523
2524 2011-10-10  Nick Clifton  <nickc@redhat.com>
2525
2526         * po/es.po: Updated Spanish translation.
2527         * po/fi.po: Updated Finnish translation.
2528
2529 2011-10-03   Diego Novillo  <dnovillo@google.com>
2530
2531         * options.cc (parse_uint): Fix dereference of RETVAL.
2532
2533 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
2534
2535         * layout.h (section_order_map_): New member.
2536         (get_section_order_map): New member function.
2537         * output.cc (Output_section::add_input_section): Check for patterns
2538         only when --section-ordering-file is specified.
2539         * gold.cc (queue_middle_tasks): Delay updating order of sections till
2540         output_sections have been formed.
2541         * layout.cc (Layout_Layout): Initialize section_order_map_.
2542         * plugin.cc (update_section_order): Store order in order_map. Do not
2543         update the order.
2544         * testsuite/Makefile.am: Add test case for plugin_final_layout.
2545         * testsuite/Makefile.in: Regenerate.
2546         * testsuite/plugin_section_order.c: New file.
2547         * testsuite/plugin_final_layout.cc: New file.
2548         * testsuite/plugin_final_layout.sh: New file.
2549
2550 2011-09-29  Cary Coutant  <ccoutant@google.com>
2551
2552         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2553         Check for NULL.
2554         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
2555         symbols during incremental update.
2556         (Symbol_table::add_from_dynobj): Likewise.
2557
2558 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2559             Ian Lance Taylor  <iant@google.com>
2560
2561         * symtab.cc (Symbol_table::define_special_symbol): Always
2562         canonicalize version string.
2563
2564 2011-09-26  Cary Coutant  <ccoutant@google.com>
2565
2566         * gold.cc (queue_initial_tasks): Move option checks ...
2567         * options.cc (General_options::finalize): ... to here. Disable
2568         some options; make others fatal.
2569
2570 2011-09-26  Cary Coutant  <ccoutant@google.com>
2571
2572         gcc PR lto/47247
2573         * plugin.cc (get_symbols_v2): New function.
2574         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
2575         (is_referenced_from_outside): New function.
2576         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
2577         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
2578         (get_symbols): Pass version parameter.
2579         (get_symbols_v2): New function.
2580         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
2581         parameter.
2582         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
2583         (onload): Add LDPT_GET_SYMBOLS_V2.
2584         (all_symbols_read_hook): Use get_symbols_v2; check for
2585         LDPR_PREVAILING_DEF_IRONLY_EXP.
2586         * testsuite/plugin_test_3.sh: Update expected results.
2587
2588 2011-09-23  Simon Baldwin  <simonb@google.com>
2589
2590         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
2591         configuration options.
2592         * configure: Regenerate.
2593         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
2594         * Makefile.in: Regenerate.
2595         * testsuite/Makefile.in: Regenerate.
2596
2597 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
2598
2599         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
2600
2601 2011-09-19  Cary Coutant  <ccoutant@google.com>
2602
2603         * incremental.cc (can_incremental_update): Fix typo in comment.
2604         * incremental.h (can_incremental_update): Likewise.
2605
2606 2011-09-18  Cary Coutant  <ccoutant@google.com>
2607
2608         * incremental.cc (can_incremental_update): New function.
2609         * incremental.h (can_incremental_update): New function.
2610         * layout.cc (Layout::init_fixed_output_section): Call it.
2611         (Layout::make_output_section): Don't allow patch space in .eh_frame.
2612         * object.cc (Sized_relobj_file::do_layout): Call
2613         can_incremental_update.
2614
2615 2011-09-13  Cary Coutant  <ccoutant@google.com>
2616
2617         * configure.ac: Check for glibc support for gnu_indirect_function
2618         support with static linking, setting automake conditional
2619         IFUNC_STATIC.
2620         * Makefile.in: Regenerate.
2621         * configure: Regenerate.
2622
2623         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
2624         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
2625         for IFUNC_STATIC.
2626         * testsuite/Makefile.in: Regenerate.
2627
2628 2011-09-13  Cary Coutant  <ccoutant@google.com>
2629
2630         * incremental.cc (Sized_relobj_incr::do_layout): Call
2631         report_comdat_group for kept comdat sections.
2632         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
2633         * testsuite/Makefile.in: Regenerate.
2634         * testsuite/incr_comdat_test_1.cc: New source file.
2635         * testsuite/incr_comdat_test_2_v1.cc: New source file.
2636         * testsuite/incr_comdat_test_2_v2.cc: New source file.
2637         * testsuite/incr_comdat_test_2_v3.cc: New source file.
2638
2639 2011-09-13  Ian Lance Taylor  <iant@google.com>
2640
2641         * object.cc (Sized_relobj_file::do_layout): Remove unused local
2642         variable external_symbols_offset.
2643
2644 2011-09-12  Ian Lance Taylor  <iant@google.com>
2645
2646         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
2647         triggered if object has no symbols.
2648
2649 2011-09-09  David S. Miller  <davem@davemloft.net>
2650
2651         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
2652         (Output_fill_debug_line::do_write): Likewise.
2653
2654 2011-08-29  Cary Coutant  <ccoutant@google.com>
2655
2656         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
2657         casts to match formatting specs.
2658         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
2659
2660 2011-08-26  Cary Coutant  <ccoutant@google.com>
2661
2662         * layout.cc (Free_list::allocate): Provide guarantee of minimum
2663         remaining hole size when allocating.
2664         (Layout::make_output_section): Set fill methods for debug sections.
2665         * layout.h (Free_list::Free_list_node): Move from private to
2666         public.
2667         (Free_list::set_min_hole_size): New function.
2668         (Free_list::begin, Free_list::end): New functions.
2669         (Free_list::min_hole_): New data member.
2670         * output.cc: Include dwarf.h.
2671         (Output_fill_debug_info::do_minimum_hole_size): New function.
2672         (Output_fill_debug_info::do_write): New function.
2673         (Output_fill_debug_line::do_minimum_hole_size): New function.
2674         (Output_fill_debug_line::do_write): New function.
2675         (Output_section::Output_section): Initialize new data member.
2676         (Output_section::set_final_data_size): Ensure patch space is larger
2677         than minimum hole size.
2678         (Output_section::do_write): Fill holes in debug sections.
2679         * output.h (Output_fill): New class.
2680         (Output_fill_debug_info): New class.
2681         (Output_fill_debug_line): New class.
2682         (Output_section::set_free_space_fill): New function.
2683         (Output_section::free_space_fill_): New data member.
2684         * testsuite/Makefile.am (incremental_test_3): Add
2685         --incremental-patch option.
2686         (incremental_test_4): Likewise.
2687         (incremental_test_5): Likewise.
2688         (incremental_test_6): Likewise.
2689         (incremental_copy_test): Likewise.
2690         (incremental_common_test_1): Likewise.
2691         * testsuite/Makefile.in: Regenerate.
2692
2693 2011-08-26  Nick Clifton  <nickc@redhat.com>
2694
2695         * po/es.po: Updated Spanish translation.
2696
2697 2011-08-01  Cary Coutant  <ccoutant@google.com>
2698
2699         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
2700         * gold/testsuite/Makefile.in: Regenerate.
2701         * gold/testsuite/justsyms_exec.c: New source file.
2702         * gold/testsuite/justsyms_lib.c: New source file.
2703
2704 2011-08-01  Cary Coutant  <ccoutant@google.com>
2705
2706         * layout.cc (Layout::set_segment_offsets): Don't realign text
2707         segment if -Ttext was specified.
2708         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
2709         file type.
2710         * object.h (Sized_relobj_file::e_type): New function.
2711         (Sized_relobj_file::e_type_): New data member.
2712         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
2713         base address for ET_EXEC files.
2714         * target.cc (Target::do_make_elf_object_implementation): Allow
2715         ET_EXEC files with --just-symbols option.
2716
2717 2011-07-28  Cary Coutant  <ccoutant@google.com>
2718
2719         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
2720         Add thread_number parameter.
2721         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
2722         * workqueue-threads.cc
2723         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
2724         current thread if its thread number is greater than desired thread
2725         count.
2726         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
2727         Add thread_number parameter.
2728         (Workqueue::should_cancel_thread): Likewise.
2729         (Workqueue::find_runnable_or_wait): Pass thread_number to
2730         should_cancel_thread.
2731         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
2732         parameter.
2733
2734 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
2735
2736         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
2737         only after checking if it cannot be forced local.
2738         * symtab.h (is_externally_visible): Check if the symbol is not forced
2739         local.
2740
2741 2011-07-15  Ian Lance Taylor  <iant@google.com>
2742
2743         * options.h (class General_options): Add --print-output-format.
2744         Move -EL next to -EB, for  better --help output.
2745         * target-select.cc: Include <cstdio>, "options.h", and
2746         "parameters.h".
2747         (Target_selector::do_target_bfd_name): New function.
2748         (print_output_format): New function.
2749         * target-select.h (class Target_selector): Update declarations.
2750         (Target_selector::target_bfd_name): New function.
2751         (print_output_format): Declare.
2752         * main.cc: Include "target-select.h".
2753         (main): Handle --print-output-format.
2754         * gold.cc: Include "target-select.h".
2755         (queue_initial_tasks): Handle --print-output-format when there are
2756         no input files.
2757         * parameters.cc (parameters_force_valid_target): Give a better
2758         error message if -EB/-EL does not match target.
2759         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
2760         function.
2761
2762 2011-07-15  Ian Lance Taylor  <iant@google.com>
2763
2764         * i386.cc (class Output_data_plt_i386): Add layout_ field.
2765         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
2766         (Output_data_plt_i386::do_write): Write address of .dynamic
2767         section to first entry in .got.plt section.
2768         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
2769         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2770         Initialize layout_.
2771         (Output_data_plt_x86_64::do_write): Write address of .dynamic
2772         section to first entry in .got.plt section.
2773         * layout.h (Layout::dynamic_section): New function.
2774
2775 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
2776
2777         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
2778         to claim_file call.
2779         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
2780         input_section_position_, and input_section_glob_.
2781         (read_layout_from_file): Call function section_ordering_specified.
2782         * layout.h (is_section_ordering_specified): New function.
2783         (section_ordering_specified): New function.
2784         (section_ordering_specified_): New boolean member.
2785         * main.cc(main): Call load_plugins after layout object is defined.
2786         * output.cc (Output_section::add_input_section): Use
2787         function section_ordering_specified to check if section ordering is
2788         needed.
2789         * output.cc (Output_section::add_relaxed_input_section): Use
2790         function section_ordering_specified to check if section ordering is
2791         needed.
2792         (Output_section::update_section_layout): New function.
2793         (Output_section::sort_attached_input_sections): Check if input section
2794         must be reordered.
2795         * output.h (Output_section::update_section_layout): New function.
2796         * plugin.cc (get_section_count): New function.
2797         (get_section_type): New function.
2798         (get_section_name): New function.
2799         (get_section_contents): New function.
2800         (update_section_order): New function.
2801         (allow_section_ordering): New function.
2802         (Plugin::load): Add the new interfaces to the transfer vector.
2803         (Plugin_manager::load_plugins): New parameter.
2804         (Plugin_manager::all_symbols_read): New parameter.
2805         (Plugin_manager::claim_file): New parameter. Save the elf object for
2806         unclaimed objects.
2807         (Plugin_manager::get_elf_object): New function.
2808         (Plugin_manager::get_view): Change to directly use the bool to check
2809         if get_view is called from claim_file_hook.
2810         * plugin.h (input_objects): New function
2811         (Plugin__manager::load_plugins): New parameter.
2812         (Plugin_manager::claim_file): New parameter.
2813         (Plugin_manager::get_elf_object): New function.
2814         (Plugin_manager::in_claim_file_handler): New function.
2815         (Plugin_manager::in_claim_file_handler_): New member.
2816         (layout): New function.
2817         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
2818         handler with an extra parameter. Make the elf object before calling
2819         claim_file handler.
2820         * testsuite/plugin_test.c (get_section_count): New function pointer.
2821         (get_section_type): New function pointer.
2822         (get_section_name): New function pointer.
2823         (get_section_contents): New function pointer.
2824         (update_section_order): New function pointer.
2825         (allow_section_ordering): New function pointer.
2826         (onload): Check if the new interfaces exist.
2827
2828 2011-07-13  Ian Lance Taylor  <iant@google.com>
2829
2830         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
2831         relro section.
2832         * x86_64.cc (Target_x86_64::got_section): Likewise.
2833         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
2834         (relro_now_test_SOURCES): New variable.
2835         (relro_now_test_DEPENDENCIES): New variable.
2836         (relro_now_test_LDFLAGS): New variable.
2837         (relro_now_test_LDADD): New variable.
2838         (relro_now_test.so): New target.
2839         * testsuite/Makefile.in: Rebuild.
2840
2841 2011-07-12  Ian Lance Taylor  <iant@google.com>
2842
2843         PR gold/12980
2844         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
2845         GLOB_DAT relocation rather than a RELATIVE relocation for a
2846         protected symbol when creating a shared library.
2847         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2848         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
2849         * testsuite/protected_main_1.cc (main): Test that protected
2850         function has same address.
2851
2852 2011-07-11  Ian Lance Taylor  <iant@google.com>
2853
2854         PR gold/12979
2855         * options.h (class General_options): Add -Bgroup.
2856         * options.cc (General_options::finalize): If -Bgroup is set,
2857         default to --unresolved-symbols=report-all.
2858         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
2859         * target-reloc.h (issue_undefined_symbol_error): Handle
2860         --unresolved-symbols=report-all.
2861
2862 2011-07-08  Ian Lance Taylor  <iant@google.com>
2863
2864         PR gold/11985
2865         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
2866         if linker script discards key sections.
2867         (Layout::create_dynamic_symtab): Likewise.
2868         (Layout::assign_local_dynsym_offsets): Likewise.
2869         (Layout::sized_create_version_sections): Likewise.
2870         (Layout::create_interp): Likewise.
2871         (Layout::finish_dynamic_section): Likewise.
2872         (Layout::set_dynamic_symbol_size): Likewise.
2873
2874 2011-07-08  Ian Lance Taylor  <iant@google.com>
2875
2876         PR gold/12386
2877         * options.h (class General_options): Add --unresolved-symbols.
2878         * target-reloc.h (issue_undefined_symbol_error): Check
2879         --unresolved-symbols.  Add comments.
2880
2881 2011-07-08  Ian Lance Taylor  <iant@google.com>
2882
2883         * testsuite/odr_violation2.cc (Ordering::operator()): Make
2884         expression more complex.
2885
2886 2011-07-08  Ian Lance Taylor  <iant@google.com>
2887
2888         PR gold/11317
2889         * target-reloc.h (issue_undefined_symbol_error): New inline
2890         function, broken out of relocate_section.
2891         (relocate_section): Call issue_undefined_symbol_error.
2892         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2893         there is no TLS segment if we are about to issue an undefined
2894         symbol error.
2895         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2896
2897 2011-07-08  Ian Lance Taylor  <iant@google.com>
2898
2899         PR gold/12279
2900         * resolve.cc (Symbol_table::should_override): Add fromtype
2901         parameter.  Change all callers.  Give error when linking together
2902         TLS and non-TLS symbol.
2903         (Symbol_table::should_override_with_special): Add fromtype
2904         parameter.  Change all callers.
2905         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2906         there is no TLS segment if we have reported some errors.
2907         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2908
2909 2011-07-08  Ian Lance Taylor  <iant@google.com>
2910
2911         PR gold/12372
2912         * target.h (Target::plt_address_for_global): New function.
2913         (Target::plt_address_for_local): New function.
2914         (Target::plt_section_for_global): Remove.
2915         (Target::plt_section_for_local): Remove.
2916         (Target::do_plt_address_for_global): New virtual function.
2917         (Target::do_plt_address_for_local): New virtual function.
2918         (Target::do_plt_section_for_global): Remove.
2919         (Target::do_plt_section_for_local): Remove.
2920         (Target::register_global_plt_entry): Add Symbol_table and Layout
2921         parameters.
2922         * output.cc (Output_data_got::Got_entry::write): Use
2923         plt_address_for_global and plt_address_for_local.
2924         * layout.cc (Layout::add_target_dynamic_tags): Use size and
2925         address of output section.
2926         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
2927         got_irelative_, and irelative_count_ fields.  Update
2928         declarations.
2929         (Output_data_plt_i386::has_irelative_section): New function.
2930         (Output_data_plt_i386::entry_count): Add irelative_count_.
2931         (Output_data_plt_i386::set_final_data_size): Likewise.
2932         (class Target_i386): Add got_irelative_ and rel_irelative_
2933         fields.  Update declarations.
2934         (Target_i386::Target_i386): Initialize new fields.
2935         (Target_i386::do_plt_address_for_global): New function replacing
2936         do_plt_section_for_global.
2937         (Target_i386::do_plt_address_for_local): New function replacing
2938         do_plt_section_for_local.
2939         (Target_i386::got_section): Create got_irelative_.
2940         (Target_i386::rel_irelative_section): New function.
2941         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
2942         fields.  Don't define __rel_iplt_{start,end}.
2943         (Output_data_plt_i386::add_entry): Add symtab and layout
2944         parameters.  Change all callers.  Use different PLT and GOT for
2945         IFUNC symbols.
2946         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
2947         layout parameters.  Change all callers.  Use different PLT and
2948         GOT.
2949         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
2950         (Output_data_plt_i386::rel_irelative): New function.
2951         (Output_data_plt_i386::address_for_global): New function.
2952         (Output_data_plt_i386::address_for_local): New function.
2953         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
2954         IRELATIVE GOT when changing IFUNC GOT entries.
2955         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
2956         reloc.
2957         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
2958         if we didn't create an IRELATIVE GOT.
2959         (Target_i386::Relocate::relocate): Use plt_address_for_global and
2960         plt_address_for_local.
2961         (Target_i386::do_dynsym_value): Use plt_address_for_global.
2962         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
2963         got_irelative_, and irelative_count_ fields.  Update
2964         declarations.
2965         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2966         Initialize new fields.  Remove symtab parameter.  Change all
2967         callers.
2968         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
2969         irelative_count_.
2970         (Output_data_plt_x86_64::has_irelative_section): New function.
2971         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
2972         (class Target_x86_64): Add got_irelative_ and rel_irelative_
2973         fields.  Update declarations.
2974         (Target_x86_64::Target_x86_64): Initialize new fields.
2975         (Target_x86_64::do_plt_address_for_global): New function replacing
2976         do_plt_section_for_global.
2977         (Target_x86_64::do_plt_address_for_local): New function replacing
2978         do_plt_section_for_local.
2979         (Target_x86_64::got_section): Create got_irelative_.
2980         (Target_x86_64::rela_irelative_section): New function.
2981         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
2982         all callers.  Don't create __rel_iplt_{start,end}.
2983         (Output_data_plt_x86_64::add_entry): Add symtab and layout
2984         parameters.  Change all callers.  Use different PLT and GOT for
2985         IFUNC symbols.
2986         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
2987         layout parameters.  Change all callers.  Use different PLT and
2988         GOT.
2989         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
2990         parameters.  Change all callers.  Use different PLT and GOT for
2991         IFUNC symbols.
2992         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
2993         (Output_data_plt_x86_64::rela_irelative): New function.
2994         (Output_data_plt_x86_64::address_for_global): New function.
2995         (Output_data_plt_x86_64::address_for_local): New function.
2996         (Output_data_plt_x86_64::set_final_data_size): Likewise.
2997         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
2998         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
2999         (Target_x86_64::register_global_plt_entry): Add symtab and layout
3000         parameters.
3001         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
3002         reloc.
3003         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
3004         symbols if we didn't create an IRELATIVE GOT.
3005         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
3006         plt_address_for_local.
3007         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
3008         * testsuite/ifuncvar1.c: New test file.
3009         * testsuite/ifuncvar2.c: New test file.
3010         * testsuite/ifuncvar3.c: New test file.
3011         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
3012         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
3013         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
3014         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
3015         * testsuite/Makefile.in: Rebuild.
3016
3017 2011-07-07  Cary Coutant  <ccoutant@google.com>
3018
3019         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
3020         (two_file_test_1_ndebug.o): Likewise.
3021         (two_file_test_1b_ndebug.o): Likewise.
3022         (two_file_test_2_ndebug.o): Likewise.
3023         (two_file_test_main_ndebug.o): Likewise.
3024         (incremental_test_2): Link with no-debug versions.
3025
3026 2011-07-06  Cary Coutant  <ccoutant@google.com>
3027
3028         * gold/incremental.cc
3029         (Output_section_incremental_inputs::write_info_blocks): Check for
3030         hidden and internal symbols.
3031
3032 2011-07-06  Cary Coutant  <ccoutant@google.com>
3033
3034         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
3035         Check disposition for startup file.
3036         (Incremental_inputs::report_command_line): Ignore
3037         --incremental-startup-unchanged option.
3038         * options.cc (General_options::parse_incremental_startup_unchanged):
3039         New function.
3040         (General_options::General_options): Initialize new data member.
3041         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
3042         (General_options): Add --incremental-startup-unchanged option.
3043         (General_options::incremental_startup_disposition): New function.
3044         (General_options::incremental_startup_disposition_): New data member.
3045
3046 2011-07-06  Cary Coutant  <ccoutant@google.com>
3047
3048         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
3049         input file index to Script_info ctor.
3050         (Sized_incremental_binary::do_file_has_changed): Find the
3051         command-line argument for files named in scripts.
3052         * incremental.h (Script_info::Script_info): New ctor
3053         with input file index.
3054         (Script_info::input_file_index): New function.
3055         (Script_info::input_file_index_): New data member.
3056         (Incremental_binary::get_library): Add const.
3057         (Incremental_binary::get_script_info): Add const.
3058         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
3059         * testsuite/Makefile.am (incremental_test_5): New test case.
3060         (incremental_test_6): New test case.
3061         * testsuite/Makefile.in: Regenerate.
3062
3063 2011-07-06  Cary Coutant  <ccoutant@google.com>
3064
3065         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
3066         debug output when command lines differ.
3067
3068 2011-07-06  Cary Coutant  <ccoutant@google.com>
3069
3070         * incremental.cc (Incremental_inputs::report_command_line): Ignore
3071         --incremental-patch option.
3072         * layout.cc (Free_list::allocate): Extend allocation beyond original
3073         end if enabled.
3074         (Layout::make_output_section): Mark sections that should get
3075         patch space.
3076         * options.cc (parse_percent): New function.
3077         * options.h (parse_percent): New function.
3078         (DEFINE_percent): New macro.
3079         (General_options): Add --incremental-patch option.
3080         * output.cc (Output_section::Output_section): Initialize new data
3081         members.
3082         (Output_section::add_input_section): Print section name when out
3083         of patch space.
3084         (Output_section::add_output_section_data): Likewise.
3085         (Output_section::set_final_data_size): Add patch space when
3086         doing --incremental-full.
3087         (Output_section::do_reset_address_and_file_offset): Remove patch
3088         space.
3089         (Output_segment::set_section_list_addresses): Print debug output
3090         only if --incremental-update.
3091         * output.h (Output_section::set_is_patch_space_allowed): New function.
3092         (Output_section::is_patch_space_allowed_): New data member.
3093         (Output_section::patch_space_): New data member.
3094         * parameters.cc (Parameters::incremental_full): New function.
3095         * parameters.h (Parameters::incremental_full): New function
3096         * testsuite/Makefile.am (incremental_test_2): Add test for
3097         --incremental-patch option.
3098         * testsuite/Makefile.in: Regenerate.
3099         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
3100         (t18): Remove function body.
3101
3102 2011-07-05  Doug Kwan  <dougkwan@google.com>
3103
3104         PR gold/12771
3105         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
3106         Arm_Address type for relocation result.
3107         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
3108         overflow check.
3109         (Arm_relocate_functions::abs32): Use unaligned access.
3110         (Arm_relocate_functions::rel32): Ditto.
3111         (Arm_relocate_functions::prel31): Ditto.
3112         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
3113         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
3114         static data relocations.
3115         * testsuite/Makefile.in: Regnerate.
3116         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
3117
3118 2011-07-05  Ian Lance Taylor  <iant@google.com>
3119
3120         PR gold/12392
3121         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
3122         symbols if necessary.
3123         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3124
3125 2011-07-05  Ian Lance Taylor  <iant@google.com>
3126
3127         PR gold/12952
3128         * resolve.cc (Symbol::override_base_with_special): Simply override
3129         version with special symbol version, ignoring previous version.
3130
3131 2011-07-05  Ian Lance Taylor  <iant@google.com>
3132
3133         * object.cc (Sized_relobj_file::include_section_group): Add
3134         information to comment about signature location.
3135
3136 2011-07-02  Ian Lance Taylor  <iant@google.com>
3137
3138         PR gold/12957
3139         * options.h (class General_options): Add -f and -F.
3140         * options.cc (General_options::finalize): Fatal error if -f/-F
3141         are used without -shared.
3142         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
3143
3144 2011-07-02  Ian Lance Taylor  <iant@google.com>
3145
3146         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
3147
3148 2011-07-01  Ian Lance Taylor  <iant@google.com>
3149
3150         PR gold/12525
3151         PR gold/12952
3152         * resolve.cc (Symbol::override_base_with_special): Don't override
3153         the version if the overriding symbol has a different name.
3154         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
3155         all callers.  If we give an error about an undefined version,
3156         define the base version if necessary.
3157         * dynobj.h (class Versions): Update declaration.
3158         * testsuite/weak_alias_test_5.cc: New file.
3159         * testsuite/weak_alias_test.script: New file.
3160         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
3161         and versioned_alias have the right value, and call t2.
3162         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
3163         weak_alias_test_5.so.
3164         (weak_alias_test_LDADD): Likewise.
3165         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
3166         * testsuite/Makefile.in: Rebuild.
3167
3168 2011-07-01  Ian Lance Taylor  <iant@google.com>
3169
3170         PR gold/12525
3171         * options.h (class General_options): Support -z notext.
3172         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
3173         -Wl,-z,notext.
3174         (two_file_shared_nonpic.so): Likewise.
3175         (two_file_shared_mixed.so): Likewise.
3176         (two_file_shared_mixed_1.so): Likewise.
3177         (weak_undef_lib_nonpic.so): Likewise.
3178         (alt/weak_undef_lib_nonpic.so): Likewise.
3179         (tls_test_shared_nonpic.so): Likewise.
3180         * testsuite/Makefile.in: Rebuild.
3181
3182 2011-07-01  Ian Lance Taylor  <iant@google.com>
3183
3184         PR gold/12525
3185         * configure.ac: Test whether static linking works, setting
3186         the automake conditional HAVE_STATIC.
3187         * testsuite/Makefile.am: Disable tests using -static if
3188         HAVE_STATIC is not true.
3189         * configure, testsuite/Makefile.in: Rebuild.
3190
3191 2011-07-01  Ian Lance Taylor  <iant@google.com>
3192
3193         PR gold/12525
3194         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
3195         Assert if we see DW_EH_PE_indirect.
3196         * target.h (Target::ehframe_datarel_base): New function.
3197         (Target::do_ehframe_datarel_base): New target function.
3198         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
3199         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
3200         function.
3201
3202 2011-07-01  Ian Lance Taylor  <iant@google.com>
3203
3204         PR gold/12571
3205         * options.h (class General_options): Add
3206         --ld-generated-unwind-info.
3207         * ehframe.cc (Fde::write): Add address parameter.  Change all
3208         callers.  If associated with PLT, fill in address and size.
3209         (Cie::set_output_offset): Only add merge mapping if there is an
3210         object.
3211         (Cie::write): Add address parameter.  Change all callers.
3212         (Eh_frame::add_ehframe_for_plt): New function.
3213         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
3214         input_offset_ fields into union u_, with new plt field.
3215         (Fde::Fde): Adjust for new union field.
3216         (Fde::Fde) [Output_data version]: New constructor.
3217         (Fde::add_mapping): Only add merge mapping if there is an object.
3218         (class Cie): Update declarations.
3219         (class Eh_frame): Declare add_ehframe_for_plt.
3220         * layout.cc (Layout::layout_eh_frame): Break out code into
3221         make_eh_frame_section, and call it.
3222         (Layout::make_eh_frame_section): New function.
3223         (Layout::add_eh_frame_for_plt): New function.
3224         * layout.h (class Layout): Update declarations.
3225         * merge.cc (Merge_map::add_mapping): Add assertion.
3226         * i386.cc: Include "dwarf.h".
3227         (class Output_data_plt_i386): Make first_plt_entry,
3228         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
3229         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
3230         and plt_eh_frame_fde.
3231         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
3232         boundary.  Call add_eh_frame_for_plt if appropriate.
3233         * x86_64.cc: Include "dwarf.h".
3234         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
3235         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
3236         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
3237         and plt_eh_frame_fde.
3238         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
3239         appropriate.
3240
3241 2011-06-29  Ian Lance Taylor  <iant@google.com>
3242
3243         PR gold/12629
3244         * object.cc (Sized_relobj_file::layout_section): Change shdr
3245         parameter to be const.
3246         (Sized_relobj_file::layout_eh_frame_section): New function, broken
3247         out of do_layout.
3248         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
3249         appropriate.  Call layout_eh_frame_section.
3250         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
3251         sections.
3252         * object.h (class Sized_relobj_file): Update declarations.
3253
3254 2011-06-29  Ian Lance Taylor  <iant@google.com>
3255
3256         PR gold/12652
3257         * script.cc (Token::integer_value): Accept trailing M/m/K/k
3258         modifier.
3259         (Lex::gather_token): Accept trailing M/m/K/k for integers.
3260
3261 2011-06-29  Ian Lance Taylor  <iant@google.com>
3262
3263         PR gold/12675
3264         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
3265         SHT_X86_64_UNWIND.
3266         * layout.cc (Layout::layout_eh_frame): Likewise.
3267
3268 2011-06-29  Ian Lance Taylor  <iant@google.com>
3269
3270         PR gold/12695
3271         * layout.cc (Layout::symtab_section_shndx): New function.
3272         * layout.h (class Layout): Declare symtab_section_shndx.
3273         * output.cc (Output_section::write_header): Call it.
3274
3275 2011-06-29  Ian Lance Taylor  <iant@google.com>
3276
3277         PR gold/12818
3278         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
3279         symbols which are not used in a relocation.
3280
3281 2011-06-28  Ian Lance Taylor  <iant@google.com>
3282
3283         PR gold/12898
3284         * layout.cc (Layout::segment_precedes): Don't crash if a linker
3285         script create indistinguishable segments.
3286         (Layout::set_segment_offsets): Use stable_sort when sorting
3287         segments.  Pass this to Compare_segments constructor.
3288         * layout.h (class Layout): Make segment_precedes non-static.
3289         (class Compare_segments): Change from struct to class.  Add
3290         layout_ field.  Add constructor.
3291         * script-sections.cc
3292         (Script_sections::attach_sections_using_phdrs_clause): Rename
3293         local orphan to is_orphan.  Don't report failure to put empty
3294         section in segment.  On attachment failure, report name of
3295         section, and attach to first PT_LOAD segment.
3296
3297 2011-06-28  Ian Lance Taylor  <iant@google.com>
3298
3299         PR gold/12934
3300         * target-select.cc (Target_selector::Target_selector): Add
3301         emulation parameter.  Change all callers.
3302         (select_target_by_bfd_name): Rename from select_target_by_name.
3303         Change all callers.
3304         (select_target_by_emulation): New function.
3305         (supported_emulation_names): New function.
3306         * target-select.h (class Target_selector): Add emulation_ field.
3307         Update declarations.
3308         (Target_selector::recognize_by_bfd_name): Rename from
3309         recognize_by_name.  Change all callers.
3310         (Target_selector::supported_bfd_names): Rename from
3311         supported_names.  Change all callers.
3312         (Target_selector::recognize_by_emulation): New function.
3313         (Target_selector::supported_emulations): New function.
3314         (Target_selector::emulation): New function.
3315         (Target_selector::do_recognize_by_bfd_name): Rename from
3316         do_recognize_by_name.  Change all callers.
3317         (Target_selector::do_supported_bfd_names): Rename from
3318         do_supported_names.  Change all callers.
3319         (Target_selector::do_recognize_by_emulation): New function.
3320         (Target_selector::do_supported_emulations): New function.
3321         (select_target_by_bfd_name): Change name in declaration.
3322         (select_target_by_emulation): Declare.
3323         (supported_emulation_names): Declare.
3324         * parameters.cc (parameters_force_valid_target): Try to find
3325         target based on emulation from -m option.
3326         * options.h (class General_options): Change doc string for -m.
3327         * options.cc (help): Print emulations.
3328         (General_options::parse_V): Likewise.
3329         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
3330         Add emulation parameter.  Change all callers.
3331
3332 2011-06-28  Ian Lance Taylor  <iant@google.com>
3333
3334         * target.h (class Target): Add osabi_ field.
3335         (Target::osabi): New function.
3336         (Target::set_osabi): New function.
3337         (Target::Target): Initialize osabi_.
3338         (Target::do_adjust_elf_header): Make pure virtual.
3339         (Sized_target::do_adjust_elf_header): Declare.
3340         * target.cc (Sized_target::do_adjust_elf_header): New function.
3341         (class Sized_target): Instantiate all versions.
3342         * freebsd.h (class Target_freebsd): Remove.
3343         (Target_selector_freebsd::do_recognize): Call set_osabi on
3344         Target.
3345         (Target_selector_freebsd::do_recognize_by_name): Likewise.
3346         (Target_selector_freebsd::set_osabi): Remove.
3347         * i386.cc (class Target_i386): Inherit from Sized_target rather
3348         than Target_freebsd.
3349         * x86_64.cc (class Target_x86_64): Likewise.
3350
3351 2011-06-28  Ian Lance Taylor  <iant@google.com>
3352
3353         * target.h (Target::can_check_for_function_pointers): Rewrite.
3354         Make non-virtual.
3355         (Target::can_icf_inline_merge_sections): Likewise.
3356         (Target::section_may_have_icf_unsafe_poineters): Likewise.
3357         (Target::Target_info): Add can_icf_inline_merge_sections field.
3358         (Target::do_can_check_for_function_pointers): New virtual
3359         function.
3360         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
3361         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
3362         from can_check_for_function_pointers, move in file.
3363         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
3364         section_may_have_icf_unsafe_poineters, move in file.
3365         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
3366         * i386.cc (Target_i386::do_can_check_for_function_pointers):
3367         Rename from can_check_for_function_pointers, move in file.
3368         (Target_i386::can_icf_inline_merge_sections): Remove.
3369         (Target_i386::i386_info): Initialize
3370         can_icf_inline_merge_sections.
3371         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
3372         Initialize can_icf_inline_merge_sections.
3373         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
3374         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
3375         Rename from can_check_for_function_pointers, move in file.
3376         (Target_x86_64::can_icf_inline_merge_sections): Remove.
3377         (Target_x86_64::x86_64_info): Initialize
3378         can_icf_inline_merge_sections.
3379         * testsuite/testfile.cc (Target_test::test_target_info):
3380         Likewise.
3381         * icf.cc (get_section_contents): Correct formatting.
3382
3383 2011-06-27  Ian Lance Taylor  <iant@google.com>
3384
3385         * symtab.cc (Symbol::versioned_name): New function.
3386         (Symbol_table::add_to_final_symtab): Use versioned_name when
3387         appropriate.
3388         (Symbol_table::sized_write_symbol): Likewise.
3389         * symtab.h (class Symbol): Declare versioned_name.
3390         * stringpool.h (class Stringpool_template): Add variant of add
3391         which takes a std::basic_string.
3392         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
3393         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
3394         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
3395         (ver_test_12.o): New target.
3396         * testsuite/Makefile.in: Rebuild.
3397
3398 2011-06-27  Doug Kwan  <dougkwan@google.com>
3399
3400         * arm.cc (Arm_relocate_functions::thm_jump8,
3401         Arm_relocate_functions::thm_jump11): Use a wider signed
3402         type to compute offset.
3403         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
3404         arm_thm_jump8.
3405         * testsuite/Makefile.in: Regenerate.
3406         * testsuite/arm_branch_in_range.sh: Check test results of
3407         arm_thm_jump11 and arm_thm_jump8.
3408         * testsuite/arm_thm_jump11.s: New test source file.
3409         * testsuite/arm_thm_jump11.t: New linker script.
3410         * testsuite/arm_thm_jump8.s: New test source file.
3411         * testsuite/arm_thm_jump8.t: New linker script.
3412
3413 2011-06-24  Ian Lance Taylor  <iant@google.com>
3414
3415         * layout.cc: Include "object.h".
3416         (ctors_sections_in_init_array): New static variable.
3417         (Layout::is_ctors_in_init_array): New function.
3418         (Layout::layout): Add entry to ctors_sections_in_init_array if
3419         appropriate.
3420         * layout.h (class Layout): Declare is_ctors_in_init_array.
3421         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
3422         is_ctors_reverse_view is set.
3423         (Sized_relobj_file::write_sections): Add layout parameter.  Change
3424         all callers.  Set is_ctors_reverse_view field of View_size.
3425         (Sized_relobj_file::reverse_words): New function.
3426         * object.h (Sized_relobj_file::View_size): Add
3427         is_ctors_reverse_view field.
3428         (class Sized_relobj_file): Update declarations.
3429         * testsuite/initpri3.c: New test.
3430         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
3431         initpri3b.
3432         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
3433         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
3434         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
3435         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
3436         * testsuite/Makefile.in: Rebuild.
3437
3438 2011-06-24  Cary Coutant  <ccoutant@google.com>
3439
3440         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
3441         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
3442         (debug_msg_cdebug.err): New targets.
3443         * testsuite/Makefile.in: Regenerate.
3444         * testsuite/debug_msg.sh: Check output of link with compressed debug.
3445         Fix checks for link with shared library.
3446
3447 2011-06-24  Doug Kwan  <dougkwan@google.com>
3448
3449         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
3450         skip empty text sections.
3451         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
3452
3453 2011-06-22  Ian Lance Taylor  <iant@google.com>
3454
3455         PR gold/12910
3456         * options.h (class General_options): Add --ctors-in-init-array.
3457         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
3458         friends as SHT_PROGBITS for merging sections.
3459         (Layout::layout): Remove special handling of .init_array and
3460         friends.  Don't sort if doing relocatable link.  Sort for .ctors
3461         and .dtors if ctors_in_init_array.
3462         (Layout::make_output_section): Force correct section types for
3463         .init_array and friends.  Don't sort if doing relocatable link,
3464         Don't sort .ctors and .dtors if ctors_in_init_array.
3465         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
3466         (Layout::output_section_name): Add relobj parameter.  Change all
3467         callers.  Handle .ctors. and .dtors. in code rather than table.
3468         Handle .ctors and .dtors if ctors_in_init_array.
3469         (Layout::match_file_name): New function, moved from output.cc.
3470         * layout.h (class Layout): Update declarations.
3471         * output.cc: Include "layout.h".
3472         (Input_section_sort_entry::get_priority): New function.
3473         (Input_section_sort_entry::match_file_name): Just call
3474         Layout::match_file_name.
3475         (Output_section::Input_section_sort_init_fini_compare::operator()):
3476         Handle .ctors and .dtors.  Sort by explicit priority rather than
3477         by name.
3478         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
3479         * testsuite/initpri2.c: New test.
3480         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
3481         (check_PROGRAMS): Add initpri2.
3482         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
3483         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
3484         * configure, testsuite/Makefile.in: Rebuild.
3485
3486 2011-06-19  Ian Lance Taylor  <iant@google.com>
3487
3488         PR gold/12880
3489         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
3490         .interp section to a PT_INTERP segment even if we have seen a
3491         --dynamic-linker option.  Don't do it if we have seen a PHDRS
3492         clause in a linker script.
3493         (Layout::finalize): Don't create a .interp section if we've
3494         already create a PT_INTERP segment.
3495         (Layout::create_interp): Always call choose_output_section (revert
3496         patch of 2011-06-17).  Don't create PT_INTERP segment.
3497         * script-sections.cc
3498         (Script_sections::create_note_and_tls_segments): Add a .interp
3499         section to a PT_INTERP segment even if we have seen a
3500         --dynamic-linker option.
3501
3502 2011-06-18  Ian Lance Taylor  <iant@google.com>
3503
3504         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
3505         merely because a non-PT_LOAD segment has a dynamic reloc.
3506
3507 2011-06-18  Ian Lance Taylor  <iant@google.com>
3508
3509         * layout.cc (Layout::finish_dynamic_section): Don't create
3510         DT_FLAGS entry if not needed.
3511
3512 2011-06-18  Ian Lance Taylor  <iant@google.com>
3513
3514         PR gold/12745
3515         * layout.cc (Layout::layout_eh_frame): Correct handling of
3516         writable .eh_frame section.
3517
3518 2011-06-17  Ian Lance Taylor  <iant@google.com>
3519
3520         PR gold/12893
3521         * resolve.cc (Symbol_table::resolve): Don't give an error if a
3522         symbol is redefined with the exact same object and value.
3523
3524 2011-06-17  Ian Lance Taylor  <iant@google.com>
3525
3526         PR gold/12880
3527         * layout.h (class Layout): Add interp_segment_ field.
3528         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
3529         (Layout::attach_allocated_section_to_segment): If making shared
3530         library, put .interp section in PT_INTERP segment.
3531         (Layout::finalize): Also call create_interp if -dynamic-linker
3532         option was used.
3533         (Layout::create_interp): Assert that there is no PT_INTERP
3534         segment.  If not using a SECTIONS clause, use make_output_section.
3535         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
3536         * script-sections.cc
3537         (Script_sections::create_note_and_tls_segments): If making shared
3538         library, put .interp section in PT_INTERP segment.
3539
3540 2011-06-17  Ian Lance Taylor  <iant@google.com>
3541
3542         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
3543         when making a shared library.
3544
3545 2011-06-17  Ian Lance Taylor  <iant@google.com>
3546
3547         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
3548         parameter.  Change all callers.  Don't issue warning about PC32
3549         against locally defined symbol.
3550
3551 2011-06-16  Ian Lance Taylor  <iant@google.com>
3552
3553         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
3554         occurs in same object.
3555
3556 2011-06-14  Alan Modra  <amodra@gmail.com>
3557
3558         * po/POTFILES.in: Regenerate.
3559
3560 2011-06-09  Ian Lance Taylor  <iant@google.com>
3561
3562         * script-sections.cc
3563         (Orphan_output_section::set_section_addresses): For a relocatable
3564         link set address to 0.
3565
3566 2011-06-09  Cary Coutant  <ccoutant@google.com>
3567
3568         PR gold/12804
3569         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
3570         used with --compress-debug-sections.
3571         * gold/object.cc (Sized_relobj_file::do_layout): Report
3572         uncompressed size of compressed input sections.
3573
3574 2011-06-08  Cary Coutant  <ccoutant@google.com>
3575
3576         PR gold/12804
3577         * testsuite/two_file_test_2_v1.cc: Change initialization of
3578         v2 to keep it in .data.
3579
3580 2011-06-07  Cary Coutant  <ccoutant@google.com>
3581
3582         * common.cc (Symbol_table::do_allocate_commons_list): Call
3583         gold_fallback.
3584         * errors.cc (Errors::fatal): Adjust call to gold_exit.
3585         (Errors::fallback): New function.
3586         (gold_fallback): New function.
3587         * errors.h (Errors::fallback): New function.
3588         * gold.cc (gold_exit): Change status parameter to enum; adjust
3589         all callers.
3590         (queue_initial_tasks): Call gold_fallback.
3591         * gold.h: Include cstdlib.
3592         (Exit_status): New enum type.
3593         (gold_exit): Change status parameter to enum.
3594         (gold_fallback): New function.
3595         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
3596         (Layout::create_symtab_sections): Likewise.
3597         (Layout::create_shdrs): Likewise.
3598         * main.cc (main): Adjust call to gold_exit.
3599         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
3600         (Output_data_got::add_got_entry_pair): Likewise.
3601         (Output_section::add_input_section): Likewise.
3602         (Output_section::add_output_section_data): Likewise.
3603         (Output_segment::set_section_list_addresses): Likewise.
3604         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
3605
3606 2011-06-07  Cary Coutant  <ccoutant@google.com>
3607
3608         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
3609         for incremental links.
3610         * output.cc (Output_segment::set_section_list_addresses): Remove
3611         FIXME and test for TLS or BSS.
3612
3613 2011-06-07  Cary Coutant  <ccoutant@google.com>
3614
3615         * testsuite/Makefile.am: Add incremental_copy_test,
3616         incremental_common_test_1.
3617         * testsuite/Makefile.in: Regenerate.
3618         * testsuite/common_test_1_v1.c: New source file.
3619         * testsuite/common_test_1_v2.c: New source file.
3620         * testsuite/copy_test_v1.cc: New source file.
3621
3622 2011-06-07  Cary Coutant  <ccoutant@google.com>
3623
3624         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
3625         update, allocate common from bss section's free list.
3626         * incremental-dump.cc (dump_incremental_inputs): Print flag for
3627         linker-defined symbols.
3628         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
3629         Skip GOT and PLT entries that are no longer referenced.
3630         (Output_section_incremental_inputs::write_info_blocks): Mark
3631         linker-defined symbols.
3632         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
3633         * output.cc (Output_section::allocate): New function.
3634         * output.h (Output_section::allocate): New function.
3635         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
3636         linker-defined symbols.
3637         (Symbol::override_base_with_special): Copy is_predefined_ flag.
3638         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
3639         (Symbol::init_base_output_data): Likewise.
3640         (Symbol::init_base_output_segment): Likewise.
3641         (Symbol::init_base_constant): Likewise.
3642         (Sized_symbol::init_output_data): Likewise.
3643         (Sized_symbol::init_output_segment): Likewise.
3644         (Sized_symbol::init_constant): Likewise.
3645         (Symbol_table::do_define_in_output_data): Likewise.
3646         (Symbol_table::do_define_in_output_segment): Likewise.
3647         (Symbol_table::do_define_as_constant): Likewise.
3648         * symtab.h (Symbol::is_predefined): New function.
3649         (Symbol::init_base_output_data): Add is_predefined parameter.
3650         (Symbol::init_base_output_segment): Likewise.
3651         (Symbol::init_base_constant): Likewise.
3652         (Symbol::is_predefined_): New data member.
3653         (Sized_symbol::init_output_data): Add is_predefined parameter.
3654         (Sized_symbol::init_output_segment): Likewise.
3655         (Sized_symbol::init_constant): Likewise.
3656         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
3657
3658 2011-06-07  Cary Coutant  <ccoutant@google.com>
3659
3660         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
3661         instead of emit_copy_reloc.
3662         (Copy_relocs::emit_copy_reloc): Refactor.
3663         (Copy_relocs::make_copy_reloc): New function.
3664         (Copy_relocs::add_copy_reloc): Remove.
3665         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
3666         section.
3667         (Copy_relocs::make_copy_reloc): New function.
3668         (Copy_relocs::add_copy_reloc): Remove.
3669         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
3670         unchanged input files.
3671         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
3672         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
3673         Reserve BSS space for COPY relocations.
3674         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3675         (Output_section_incremental_inputs::write_info_blocks): Record
3676         whether a symbol is copied from a shared object.
3677         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
3678         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
3679         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
3680         (Incremental_input_entry_reader::get_output_symbol_index): Add
3681         is_copy parameter.
3682         (Incremental_binary::emit_copy_relocs): New function.
3683         (Incremental_binary::do_emit_copy_relocs): New function.
3684         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3685         new data member.
3686         (Sized_incremental_binary::add_copy_reloc): New function.
3687         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3688         (Sized_incremental_binary::Copy_reloc): New struct.
3689         (Sized_incremental_binary::Copy_relocs): New typedef.
3690         (Sized_incremental_binary::copy_relocs_): New data member.
3691         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
3692         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
3693         * target.h (Sized_target::emit_copy_reloc): New function.
3694         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
3695
3696 2011-06-02  Cary Coutant  <ccoutant@google.com>
3697
3698         PR gold/12163
3699         * gold/archive.cc (Archive::Archive): Initialize new data member.
3700         (Archive::include_all_members): Return if archive has already been
3701         included.
3702         * gold/archive.h (Archive::include_all_members_): New data member.
3703
3704 2011-06-02  Nick Clifton  <nickc@redhat.com>
3705
3706         * dynobj.h: Fix spelling mistake in comment.
3707         * output.cc: Likewise.
3708
3709 2011-05-31  Doug Kwan  <dougkwan@google.com>
3710             Asier Llano
3711
3712         PR gold/12826
3713         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
3714         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
3715         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
3716         redundant arm_exidx_test.so.
3717         * testsuite/Makefile.in: Regenerate.
3718         (check_SCRIPTS): Add pr12826.sh
3719         (check_DATA): Add pr12826.stdout
3720         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
3721         * testsuite/pr12826.sh: New file.
3722         * testsuite/pr12826_1.s: Ditto.
3723         * testsuite/pr12826_1.s: Ditto.
3724
3725 2011-05-30  Ian Lance Taylor  <iant@google.com>
3726
3727         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
3728         sections.
3729
3730 2011-05-29  Ian Lance Taylor  <iant@google.com>
3731
3732         PR gold/12804
3733         * testsuite/Makefile.am: Use different file name for two_file_test
3734         temporary file for each incremental test.
3735         * testsuite/Makefile.in: Rebuild.
3736
3737 2011-05-29  Ian Lance Taylor  <iant@google.com>
3738
3739         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
3740         binary input file is empty.
3741
3742 2011-05-27  Ian Lance Taylor  <iant@google.com>
3743
3744         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
3745         (ver_test_9.so): Likewise.
3746         * testsuite/Makefile.in: Rebuild.
3747
3748 2011-05-26 Cary Coutant  <ccoutant@google.com>
3749
3750         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
3751         * incremental.cc (Incremental_inputs::report_input_section): Fix
3752         comment, indentation.
3753         (Incremental_inputs::report_comdat_group): New function.
3754         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3755         of data for incremental input file entry.
3756         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
3757         group count, COMDAT group signatures.
3758         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
3759         an unchanged input file.
3760         * incremental.h (Incremental_object_entry::Incremental_object_entry):
3761         Initialize new data member.
3762         (Incremental_object_entry::add_comdat_group): New function.
3763         (Incremental_object_entry::get_comdat_group_count): New function.
3764         (Incremental_object_entry::get_comdat_signature_key): New function.
3765         (Incremental_object_entry::groups_): New data member.
3766         (Incremental_inputs::report_comdat_group): New function.
3767         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
3768         data for incremental input file entry.
3769         (Incremental_input_entry_reader::get_comdat_group_count): New function.
3770         (Incremental_input_entry_reader::get_input_section): Adjust size of
3771         data for incremental input file entry.
3772         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
3773         (Incremental_input_entry_reader::get_comdat_group_signature): New
3774         function.
3775         * object.cc (Sized_relobj::include_section_group): Report kept
3776         COMDAT groups for incremental links.
3777
3778 2011-05-24  David Meyer  <pdox@google.com>
3779
3780         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
3781         with name parameter.  Add found_name parameter.
3782         * fileread.cc (Input_file::find_file): Adjust code accordingly.
3783         * dirsearch.h (class Dirsearch): Update declaration.
3784
3785 2011-05-24  Ian Lance Taylor  <iant@google.com>
3786
3787         * archive.cc (Library_base::should_include_member): Pull in object
3788         from archive if it defines the entry symbol.
3789         * parameters.cc (Parameters::entry): New function.
3790         * parameters.h (class Parameters): Declare entry.
3791         * output.h (class Output_file_header): Remove entry_ field.
3792         * output.cc (Output_file_header::Output_file_header): Remove entry
3793         parameter.  Change all callers.
3794         (Output_file_header::entry): Use parameters->entry.
3795         * gold.cc (queue_middle_tasks): Likewise.
3796         * plugin.cc (Plugin_hook::run): Likewise.
3797
3798 2011-05-24 Cary Coutant  <ccoutant@google.com>
3799
3800         * gold.cc (queue_initial_tasks): Pass incremental base filename
3801         to Output_file::open_base_file; don't print error message.
3802         * incremental-dump.cc (main): Adjust call to
3803         Output_file::open_for_modification.
3804         * incremental-dump.cc (main): Likewise.
3805         * incremental.cc (Incremental_inputs::report_command_line):
3806         Ignore --incremental-base option when comparing command lines.
3807         Ignore parameter when given as separate argument.
3808         * options.h (class General_options): Add --incremental-base.
3809         * output.cc (Output_file::Output_file):
3810         (Output_file::open_base_file): Add base_name and writable parameters;
3811         read base file into new file; print error message here.
3812         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3813         callers.
3814         * output.h (Output_file::open_for_modification): Rename to...
3815         (Output_file::open_base_file): ...this; add base_name and
3816         writable parameters; adjust all callers.
3817         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3818         callers.
3819         * testsuite/Makefile.am (incremental_test_4): Test
3820         --incremental-base.
3821         * testsuite/Makefile.in: Regenerate.
3822
3823 2011-05-24 Cary Coutant  <ccoutant@google.com>
3824
3825         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
3826         incremental_test_4.
3827         * testsuite/Makefile.in: Regenerate.
3828         * testsuite/two_file_test_1_v1.cc: New test source file.
3829         * testsuite/two_file_test_1b_v1.cc: New test source file.
3830         * testsuite/two_file_test_2_v1.cc: New test source file.
3831
3832 2011-05-24 Cary Coutant  <ccoutant@google.com>
3833
3834         * dynobj.h (Dynobj::do_dynobj): New function.
3835         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
3836         flag and soname for shared objects.
3837         * incremental.cc (Incremental_inputs::report_object): Make
3838         either Incremental_object_entry or Incremental_dynobj_entry; add
3839         soname to string table.
3840         (Incremental_inputs::report_input_section): Add assertion.
3841         (Output_section_incremental_inputs::set_final_data_size): Adjust
3842         type of input file entry for shared libraries; adjust size of
3843         shared library info entry.
3844         (Output_section_incremental_inputs::write_input_files): Write
3845         as_needed flag for shared libraries.
3846         (Output_section_incremental_inputs::write_info_blocks): Adjust type
3847         of input file entry for shared libraries; write soname.
3848         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
3849         soname from incremental info.
3850         * incremental.h (enum Incremental_input_flags): Add
3851         INCREMENTAL_INPUT_AS_NEEDED.
3852         (Incremental_input_entry::Incremental_input_entry): Initialize new
3853         data member.
3854         (Incremental_input_entry::set_as_needed): New function.
3855         (Incremental_input_entry::as_needed): New function.
3856         (Incremental_input_entry::do_dynobj_entry): New function.
3857         (Incremental_input_entry::as_needed_): New data member.
3858         (Incremental_object_entry::Incremental_object_entry): Don't check
3859         for shared library.
3860         (Incremental_object_entry::do_type): Likewise.
3861         (class Incremental_dynobj_entry): New class.
3862         (Incremental_input_entry_reader::as_needed): New function.
3863         (Incremental_input_entry_reader::get_soname): New function.
3864         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
3865         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
3866         size of shared library info entry.
3867         * layout.cc (Layout::finish_dynamic_section): Don't test for
3868         incremental link when adding DT_NEEDED entries.
3869         * object.h (Object::Object): Initialize new data member.
3870         (Object::dynobj): New function.
3871         (Object::set_as_needed): New function.
3872         (Object::as_needed): New function.
3873         (Object::do_dynobj): New function.
3874         (Object::as_needed_): New data member.
3875
3876 2011-05-24 Cary Coutant  <ccoutant@google.com>
3877
3878         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
3879         info; adjust display of GOT entries.
3880         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3881         vector of input objects; remove file_status_.
3882         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
3883         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
3884         got_plt reader; call target hooks to reserve GOT entries.
3885         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3886         of input file info header and GOT info entry.
3887         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
3888         relocation info.
3889         (Got_plt_view_info::got_descriptor): Remove.
3890         (Got_plt_view_info::sym_index): New data member.
3891         (Got_plt_view_info::input_index): New data member.
3892         (Local_got_offset_visitor::visit): Write input file index.
3893         (Global_got_offset_visitor::visit): Write 0 for input file index.
3894         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
3895         with sym_index and input_index.
3896         (Output_section_incremental_inputs::write_got_plt): Adjust size of
3897         incremental info GOT entry; replace got_descriptor with input_index.
3898         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
3899         map from input file index to object.
3900         (Sized_relobj_incr::do_layout): Replace direct data member reference
3901         with accessor function.
3902         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
3903         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
3904         Adjust size of input file info header.
3905         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
3906         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
3907         (Incremental_input_entry_reader::get_input_section): Adjust size of
3908         input file info header.
3909         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
3910         of incremental info GOT entry.
3911         (Incremental_got_plt_reader::get_got_desc): Remove.
3912         (Incremental_got_plt_reader::get_got_symndx): New function.
3913         (Incremental_got_plt_reader::get_got_input_index): New function.
3914         (Sized_incremental_binary::Sized_incremental_binary): Remove
3915         file_status_; add input_objects_.
3916         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
3917         (Sized_incremental_binary::set_file_is_unchanged): Remove.
3918         (Sized_incremental_binary::file_is_unchanged): Remove.
3919         (Sized_incremental_binary::set_input_object): New function.
3920         (Sized_incremental_binary::input_object): New function.
3921         (Sized_incremental_binary::file_status_): Remove.
3922         (Sized_incremental_binary::input_objects_): New data member.
3923         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
3924         references.
3925         (Sized_relobj_incr::invalid_address): Move to base class.
3926         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
3927         class.
3928         (Sized_relobj_incr::do_output_section_offset): Likewise.
3929         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
3930         (Sized_relobj_incr::section_offsets_): Likewise.
3931         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
3932         function.
3933         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
3934         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
3935         with accessor function.
3936         (Sized_relobj_file::do_layout): Likewise.
3937         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
3938         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
3939         (Sized_relobj_file::compute_final_local_value): Replace refs to
3940         section_offsets_ with accessor function.
3941         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
3942         * object.h (Relobj::Relobj): Initialize new data members.
3943         (Relobj::add_dyn_reloc): New function.
3944         (Relobj::first_dyn_reloc): New function.
3945         (Relobj::dyn_reloc_count): New function.
3946         (Relobj::first_dyn_reloc_): New data member.
3947         (Relobj::dyn_reloc_count_): New data member.
3948         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
3949         references.
3950         (Sized_relobj::Address): New typedef.
3951         (Sized_relobj::invalid_address): Move here from child class.
3952         (Sized_relobj::Sized_relobj): Initialize new data members.
3953         (Sized_relobj::sized_relobj): New function.
3954         (Sized_relobj::is_output_section_offset_invalid): Move here from
3955         child class.
3956         (Sized_relobj::get_output_section_offset): Likewise.
3957         (Sized_relobj::local_has_got_offset): Likewise.
3958         (Sized_relobj::local_got_offset): Likewise.
3959         (Sized_relobj::set_local_got_offset): Likewise.
3960         (Sized_relobj::do_for_all_local_got_entries): Likewise.
3961         (Sized_relobj::clear_got_offsets): New function.
3962         (Sized_relobj::section_offsets): Move here from child class.
3963         (Sized_relobj::do_output_section_offset): Likewise.
3964         (Sized_relobj::do_set_section_offset): Likewise.
3965         (Sized_relobj::Local_got_offsets): Likewise.
3966         (Sized_relobj::local_got_offsets_): Likewise.
3967         (Sized_relobj::section_offsets_): Likewise.
3968         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
3969         references.
3970         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
3971         class.
3972         (Sized_relobj_file::sized_relobj): New function
3973         (Sized_relobj_file::local_has_got_offset): Move to base class.
3974         (Sized_relobj_file::local_got_offset): Likewise.
3975         (Sized_relobj_file::set_local_got_offset): Likewise.
3976         (Sized_relobj_file::get_output_section_offset): Likewise.
3977         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
3978         (Sized_relobj_file::do_output_section_offset): Likewise.
3979         (Sized_relobj_file::do_set_section_offset): Likewise.
3980         (Sized_relobj_file::Local_got_offsets): Likewise.
3981         (Sized_relobj_file::local_got_offsets_): Likewise.
3982         (Sized_relobj_file::section_offsets_): Likewise.
3983         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
3984         (all constructors).
3985         (set_needs_dynsym_index): Convert relobj to derived class pointer.
3986         (Output_reloc::get_symbol_index): Likewise.
3987         (Output_reloc::local_section_offset): Likewise.
3988         (Output_reloc::get_address): Likewise.
3989         (Output_reloc::symbol_value): Likewise.
3990         (Output_data_got::reserve_slot): Move to class definition.
3991         (Output_data_got::reserve_local): New function.
3992         (Output_data_got::reserve_slot_for_global): Remove.
3993         (Output_data_got::reserve_global): New function.
3994         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
3995         (all constructors, two instantiations).
3996         (Output_reloc::get_relobj): New function (two instantiations).
3997         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
3998         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
3999         (Output_data_reloc::add_global): Adjust type of relobj.
4000         (Output_data_reloc::add_global_relative): Likewise.
4001         (Output_data_reloc::add_symbolless_global_addend): Likewise.
4002         (Output_data_reloc::add_local): Likewise.
4003         (Output_data_reloc::add_local_relative): Likewise.
4004         (Output_data_reloc::add_symbolless_local_addend): Likewise.
4005         (Output_data_reloc::add_local_section): Likewise.
4006         (Output_data_reloc::add_output_section): Likewise.
4007         (Output_data_reloc::add_absolute): Likewise.
4008         (Output_data_reloc::add_target_specific): Likewise.
4009         (Output_data_got::reserve_slot): Move definition here.
4010         (Output_data_got::reserve_local): New function.
4011         (Output_data_got::reserve_global): New function.
4012         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
4013         section_offsets_ with accessor function.
4014         (Sized_relobj_file::write_sections): Likewise.
4015         (Sized_relobj_file::do_relocate_sections): Likewise.
4016         * target.h (Sized_target::reserve_local_got_entry): New function.
4017         (Sized_target::reserve_global_got_entry): New function.
4018         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
4019         (Target_x86_64::reserve_global_got_entry): New function.
4020         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
4021
4022 2011-05-23 Cary Coutant  <ccoutant@google.com>
4023
4024         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
4025         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
4026         bit when checking got_type.
4027         * incremental.cc (Sized_incremental_binary::setup_readers):
4028         Store symbol table and string table locations; initialize bit vector
4029         of file status flags.
4030         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
4031         unchanged files.
4032         (Sized_incremental_binary::do_process_got_plt): New function.
4033         (Sized_incremental_binary::get_symtab_view): Use stored locations.
4034         (Output_section_incremental_inputs::set_final_data_size): Record
4035         file index for each input file.
4036         (Output_section_incremental_inputs::write_got_plt): Store file index
4037         instead of input entry offset for each GOT entry.
4038         * incremental.h
4039         (Incremental_input_entry::Incremental_input_entry): Initialize new
4040         data member.
4041         (Incremental_input_entry::set_offset): Store file index.
4042         (Incremental_input_entry::get_file_index): New function.
4043         (Incremental_input_entry::file_index_): New data member.
4044         (Incremental_binary::process_got_plt): New function.
4045         (Incremental_binary::do_process_got_plt): New function.
4046         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
4047         data members.
4048         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
4049         (Sized_incremental_binary::set_file_is_unchanged): New function.
4050         (Sized_incremental_binary::file_is_unchanged): New function.
4051         (Sized_incremental_binary::do_process_got_plt): New function.
4052         (Sized_incremental_binary::file_status_): New data member.
4053         (Sized_incremental_binary::main_symtab_loc_): New data member.
4054         (Sized_incremental_binary::main_strtab_loc_): New data member.
4055         * output.cc (Output_data_got::Got_entry::write): Add case
4056         RESERVED_CODE.
4057         (Output_data_got::add_global): Call add_got_entry.
4058         (Output_data_got::add_global_plt): Likewise.
4059         (Output_data_got::add_global_with_rel): Likewise.
4060         (Output_data_got::add_global_with_rela): Likewise.
4061         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
4062         (Output_data_got::add_global_pair_with_rela): Likewise.
4063         (Output_data_got::add_local): Call add_got_entry.
4064         (Output_data_got::add_local_plt): Likewise.
4065         (Output_data_got::add_local_with_rel): Likewise.
4066         (Output_data_got::add_local_with_rela): Likewise.
4067         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
4068         (Output_data_got::add_local_pair_with_rela): Likewise.
4069         (Output_data_got::reserve_slot): New function.
4070         (Output_data_got::reserve_slot_for_global): New function.
4071         (Output_data_got::add_got_entry): New function.
4072         (Output_data_got::add_got_entry_pair): New function.
4073         (Output_section::add_output_section_data): Edit FIXME.
4074         * output.h
4075         (Output_section_data_build::Output_section_data_build): New
4076         constructor with size parameter.
4077         (Output_data_space::Output_data_space): Likewise.
4078         (Output_data_got::Output_data_got): Initialize new data member; new
4079         constructor with size parameter.
4080         (Output_data_got::add_constant): Call add_got_entry.
4081         (Output_data_got::reserve_slot): New function.
4082         (Output_data_got::reserve_slot_for_global): New function.
4083         (class Output_data_got::Got_entry): Add RESERVED_CODE.
4084         (Output_data_got::add_got_entry): New function.
4085         (Output_data_got::add_got_entry_pair): New function.
4086         (Output_data_got::free_list_): New data member.
4087         * target.h (Sized_target::init_got_plt_for_update): New function.
4088         (Sized_target::register_global_plt_entry): New function.
4089         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
4090         Initialize new data member; call init; add constructor with PLT count.
4091         (Output_data_plt_x86_64::init): New function.
4092         (Output_data_plt_x86_64::add_relocation): New function.
4093         (Output_data_plt_x86_64::reserve_slot): New function.
4094         (Output_data_plt_x86_64::free_list_): New data member.
4095         (Target_x86_64::init_got_plt_for_update): New function.
4096         (Target_x86_64::register_global_plt_entry): New function.
4097         (Output_data_plt_x86_64::add_entry): Allocate from free list for
4098         incremental updates.
4099         (Output_data_plt_x86_64::add_relocation): New function.
4100         * testsuite/object_unittest.cc (Object_test): Set default options.
4101
4102 2011-05-16  Ian Lance Taylor  <iant@google.com>
4103
4104         * options.h (class General_options): Make -i a synonym for -r.
4105
4106 2011-05-16  Ian Lance Taylor  <iant@google.com>
4107
4108         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
4109
4110 2011-05-10 Cary Coutant  <ccoutant@google.com>
4111
4112         * object.cc (Sized_relobj::do_count_local_symbols): Check for
4113         strip_all (-s).
4114
4115 2011-05-06  Ian Lance Taylor  <iant@google.com>
4116
4117         * layout.cc (Layout::layout): If the output section flags change,
4118         update the ordering.
4119
4120 2011-04-25 Cary Coutant  <ccoutant@google.com>
4121
4122         * incremental-dump.cc (dump_incremental_inputs): Print local
4123         symbol info for each input file.
4124         * incremental.cc
4125         (Output_section_incremental_inputs::set_final_data_size): Add local
4126         symbol info to input file entries in incremental info.
4127         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4128         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
4129         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
4130         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
4131         implementation.
4132         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
4133         (Sized_incr_relobj::do_relocate): Write the local symbols.
4134         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
4135         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
4136         Adjust size of input file header.
4137         (Incremental_inputs_reader::get_local_symbol_offset): New function.
4138         (Incremental_inputs_reader::get_local_symbol_count): New function.
4139         (Incremental_inputs_reader::get_input_section): Adjust size of input
4140         file header.
4141         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
4142         (Sized_incr_relobj::This): New typedef.
4143         (Sized_incr_relobj::sym_size): New const data member.
4144         (Sized_incr_relobj::Local_symbol): New struct.
4145         (Sized_incr_relobj::do_output_local_symbol_count): New function.
4146         (Sized_incr_relobj::do_local_symbol_offset): New function.
4147         (Sized_incr_relobj::local_symbol_count_): New data member.
4148         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
4149         (Sized_incr_relobj::local_symbol_index_): New data member.
4150         (Sized_incr_relobj::local_symbol_offset_): New data member.
4151         (Sized_incr_relobj::local_dynsym_offset_): New data member.
4152         (Sized_incr_relobj::local_symbols_): New data member.
4153         * object.h (Relobj::output_local_symbol_count): New function.
4154         (Relobj::local_symbol_offset): New function.
4155         (Relobj::do_output_local_symbol_count): New function.
4156         (Relobj::do_local_symbol_offset): New function.
4157         (Sized_relobj::do_output_local_symbol_count): New function.
4158         (Sized_relobj::do_local_symbol_offset): New function.
4159
4160 2011-04-22  Vladimir Simonov  <sv@sw.ru>
4161
4162         * descriptors.cc (set_close_on_exec): New function.
4163         (Descriptors::open): Use set_close_on_exec.
4164         * output.cc (S_ISLNK): Define if not defined.
4165
4166 2011-04-22 Cary Coutant  <ccoutant@google.com>
4167
4168         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
4169         global symbol map.
4170         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
4171         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
4172         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
4173         relocations.
4174         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
4175         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
4176         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
4177         * incremental.h
4178         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
4179         function.
4180         (Incremental_binary::apply_incremental_relocs): New function.
4181         (Incremental_binary::do_apply_incremental_relocs): New function.
4182         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
4183         data member.
4184         (Sized_incremental_binary::add_global_symbol): New function.
4185         (Sized_incremental_binary::global_symbol): New function.
4186         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
4187         (Sized_incremental_binary::symbol_map_): New data member.
4188         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
4189         * target.h (Sized_target::apply_relocation): New function.
4190         * target-reloc.h (apply_relocation): New function.
4191         * x86_64.cc (Target_x86_64::apply_relocation): New function.
4192
4193 2011-04-22  Doug Kwan  <dougkwan@google.com>
4194
4195         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
4196         flag of a SHT_ARM_EXIDX section.
4197         * testsuite/Makefile.am (arm_exidx_test): New test rules.
4198         * testsuite/Makefile.in: Regenerate.
4199         * testsuite/arm_exidx_test.s: New file.
4200         * testsuite/arm_exidx_test.sh: Same.
4201
4202 2011-04-20 Cary Coutant  <ccoutant@google.com>
4203
4204         PR gold/12689
4205         * archive.h (Incremental_archive_entry::Archive_member):
4206         Initialize arg_serial_ (second constructor).
4207
4208 2011-04-17  Ian Lance Taylor  <iant@google.com>
4209
4210         * object.cc (Relocate_info::location): Simplify location string.
4211         * errors.cc (Errors::error_at_location): Don't print program
4212         name.
4213         (Errors::warning_at_location): Likewise.
4214         (Errors::undefined_symbol): Likewise.
4215         * testsuite/debug_msg.sh: Update accordingly.
4216
4217 2011-04-14 Cary Coutant  <ccoutant@google.com>
4218
4219         * gold/layout.cc (Layout::symtab_section_offset): New function.
4220         * gold/layout.h (Layout::symtab_section_offset): New function.
4221         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
4222
4223 2011-04-12  Ian Lance Taylor  <iant@google.com>
4224
4225         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
4226         with MREMAP_MAYMOVE.
4227         * output.h (class Output_file): Add map_is_allocated_ field.
4228         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
4229         not available, provide stubs.  If mremap is not available, #define
4230         it to gold_mremap.
4231         (MREMAP_MAYMOVE): Define if not defined.
4232         (Output_file::Output_file): Initialize map_is_allocated_.
4233         (Output_file::resize): Check map_is_allocated_.
4234         (Output_file::map_anonymous): If mmap fails, use malloc.
4235         (Output_file::unmap): Don't do anything for an anonymous map.
4236         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
4237         is not available, provide stubs.
4238         (File_read::View::~View): Use free rather than delete[].
4239         (File_read::make_view): Use malloc rather than new[].  If mmap
4240         fails, use malloc.
4241         (File_read::find_or_make_view): Use malloc rather than new[].
4242         * gold.h: Remove HAVE_REMAP code.
4243         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
4244         exists.  Rename mremap to gold_mremap.  If mmap is not available
4245         don't do anything.
4246         * configure, config.in: Rebuild.
4247
4248 2011-04-11  Ian Lance Taylor  <iant@google.com>
4249
4250         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
4251         initialize local variable v.
4252
4253 2011-04-11  Cary Coutant  <ccoutant@google.com>
4254
4255         * archive.cc (Archive::include_member): Adjust call to
4256         report_object.
4257         (Add_archive_symbols::run): Track argument serial numbers.
4258         (Lib_group::include_member): Likewise.
4259         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
4260         * archive.h (Incremental_archive_entry::Archive_member):
4261         Initialize arg_serial_.
4262         (Archive_member::arg_serial_): New data member.
4263         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
4264         (Sized_dynobj::do_add_symbols): Track symbols when doing an
4265         incremental link.
4266         (Sized_dynobj::do_for_all_local_got_entries): New function.
4267         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
4268         function.
4269         * fileread.cc (get_mtime): New function.
4270         * fileread.h (get_mtime): New function.
4271         * gold.cc (queue_initial_tasks): Check for incremental update.
4272         (process_incremental_input): New function.
4273         (queue_middle_tasks): Don't force valid target for incremental
4274         update.
4275         * incremental-dump.cc (find_input_containing_global): Adjust
4276         size of symbol info entry.
4277         (dump_incremental_inputs): Dump argument serial number and
4278         in_system_directory flag; bias shndx by 1; print symbol names
4279         when dumping per-file symbol lists; use new symbol info readers.
4280         * incremental.cc
4281         (Output_section_incremental_inputs:update_data_size): New function.
4282         (Sized_incremental_binary::setup_readers): Setup input readers
4283         for each input file; build maps for files added from libraries
4284         and scripts.
4285         (Sized_incremental_binary::check_input_args): New function.
4286         (Sized_incremental_binary::do_check_inputs): Build map of argument
4287         serial numbers to input arguments.
4288         (Sized_incremental_binary::do_file_has_changed): Rename
4289         do_file_is_unchanged to this; compare file modification times.
4290         (Sized_incremental_binary::do_init_layout): New function.
4291         (Sized_incremental_binary::do_reserve_layout): New function.
4292         (Sized_incremental_binary::do_get_input_reader): Remove.
4293         (Sized_incremental_binary::get_symtab_view): New function.
4294         (Incremental_checker::can_incrementally_link_output_file): Remove.
4295         (Incremental_inputs::report_command_line): Exclude --debug options.
4296         (Incremental_inputs::report_archive_begin): Add parameter; track
4297         argument serial numbers; don't put input file entry for archive
4298         before archive members.
4299         (Incremental_inputs::report_archive_end): Put input file entry
4300         for archive after archive members.
4301         (Incremental_inputs::report_object): Add parameter; track argument
4302         serial numbers and in_system_directory flag.
4303         (Incremental_inputs::report_script): Add parameter; track argument
4304         serial numbers.
4305         (Output_section_incremental_inputs::set_final_data_size): Adjust
4306         size of symbol info entry; check for forwarding symbols.
4307         (Output_section_incremental_inputs::write_input_files): Write
4308         in_system_directory flag and argument serial number.
4309         (Output_section_incremental_inputs::write_info_blocks): Map section
4310         indices between incremental info and original input file; store
4311         input section index for each symbol.
4312         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
4313         change operator() to visit().
4314         (class Global_got_offset_visitor): Likewise.
4315         (class Global_symbol_visitor_got_plt):
4316         (Output_section_incremental_inputs::write_got_plt): Use new visitor
4317         classes.
4318         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
4319         (Sized_incr_relobj::do_read_symbols): New function.
4320         (Sized_incr_relobj::do_layout): New function.
4321         (Sized_incr_relobj::do_layout_deferred_sections): New function.
4322         (Sized_incr_relobj::do_add_symbols): New function.
4323         (Sized_incr_relobj::do_should_include_member): New function.
4324         (Sized_incr_relobj::do_for_all_global_symbols): New function.
4325         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
4326         (Sized_incr_relobj::do_section_size): New function.
4327         (Sized_incr_relobj::do_section_name): New function.
4328         (Sized_incr_relobj::do_section_contents): New function.
4329         (Sized_incr_relobj::do_section_flags): New function.
4330         (Sized_incr_relobj::do_section_entsize): New function.
4331         (Sized_incr_relobj::do_section_address): New function.
4332         (Sized_incr_relobj::do_section_type): New function.
4333         (Sized_incr_relobj::do_section_link): New function.
4334         (Sized_incr_relobj::do_section_info): New function.
4335         (Sized_incr_relobj::do_section_addralign): New function.
4336         (Sized_incr_relobj::do_initialize_xindex): New function.
4337         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
4338         (Sized_incr_relobj::do_read_relocs): New function.
4339         (Sized_incr_relobj::do_gc_process_relocs): New function.
4340         (Sized_incr_relobj::do_scan_relocs): New function.
4341         (Sized_incr_relobj::do_count_local_symbols): New function.
4342         (Sized_incr_relobj::do_finalize_local_symbols): New function.
4343         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
4344         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
4345         (Sized_incr_relobj::do_relocate): New function.
4346         (Sized_incr_relobj::do_set_section_offset): New function.
4347         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
4348         (Sized_incr_dynobj::do_read_symbols): New function.
4349         (Sized_incr_dynobj::do_layout): New function.
4350         (Sized_incr_dynobj::do_add_symbols): New function.
4351         (Sized_incr_dynobj::do_should_include_member): New function.
4352         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
4353         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
4354         (Sized_incr_dynobj::do_section_size): New function.
4355         (Sized_incr_dynobj::do_section_name): New function.
4356         (Sized_incr_dynobj::do_section_contents): New function.
4357         (Sized_incr_dynobj::do_section_flags): New function.
4358         (Sized_incr_dynobj::do_section_entsize): New function.
4359         (Sized_incr_dynobj::do_section_address): New function.
4360         (Sized_incr_dynobj::do_section_type): New function.
4361         (Sized_incr_dynobj::do_section_link): New function.
4362         (Sized_incr_dynobj::do_section_info): New function.
4363         (Sized_incr_dynobj::do_section_addralign): New function.
4364         (Sized_incr_dynobj::do_initialize_xindex): New function.
4365         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
4366         (make_sized_incremental_object): New function.
4367         (Incremental_library::copy_unused_symbols): New function.
4368         (Incremental_library::do_for_all_unused_symbols): New function.
4369         * incremental.h (enum Incremental_input_flags): New type.
4370         (class Incremental_checker): Remove.
4371         (Incremental_input_entry::Incremental_input_entry): Add argument
4372         serial number.
4373         (Incremental_input_entry::arg_serial): New function.
4374         (Incremental_input_entry::set_is_in_system_directory): New function.
4375         (Incremental_input_entry::is_in_system_directory): New function.
4376         (Incremental_input_entry::arg_serial_): New data member.
4377         (Incremental_input_entry::is_in_system_directory_): New data member.
4378         (class Script_info): Move here from script.h.
4379         (Script_info::Script_info): Add filename parameter.
4380         (Script_info::filename): New function.
4381         (Script_info::filename_): New data member.
4382         (Incremental_script_entry::Incremental_script_entry): Add argument
4383         serial number.
4384         (Incremental_object_entry::Incremental_object_entry): Likewise.
4385         (Incremental_object_entry::add_input_section): Build list of input
4386         sections with map to original shndx.
4387         (Incremental_object_entry::get_input_section_index): New function.
4388         (Incremental_object_entry::shndx_): New data member.
4389         (Incremental_object_entry::name_key_): Rename; adjust all refs.
4390         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
4391         (Incremental_archive_entry::Incremental_archive_entry): Add argument
4392         serial number.
4393         (Incremental_inputs::report_archive_begin): Likewise.
4394         (Incremental_inputs::report_object): Likewise.
4395         (Incremental_inputs::report_script): Likewise.
4396         (class Incremental_global_symbol_reader): New class.
4397         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
4398         and store flags and input file type.
4399         (Incremental_input_entry_reader::arg_serial): New function.
4400         (Incremental_input_entry_reader::type): Extract type from flags.
4401         (Incremental_input_entry_reader::is_in_system_directory): New function.
4402         (Incremental_input_entry_reader::get_input_section_count): Call
4403         accessor function for type.
4404         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
4405         function for type; adjust size of global symbol entry.
4406         (Incremental_input_entry_reader::get_global_symbol_count): Call
4407         accessor function for type.
4408         (Incremental_input_entry_reader::get_object_count): Likewise.
4409         (Incremental_input_entry_reader::get_object_offset): Likewise.
4410         (Incremental_input_entry_reader::get_member_count): Likewise.
4411         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
4412         (Incremental_input_entry_reader::get_member_offset): Likewise.
4413         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
4414         (Incremental_input_entry_reader::Global_symbol_info): Remove.
4415         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
4416         (Incremental_input_entry_reader::get_global_symbol_reader): New
4417         function.
4418         (Incremental_input_entry_reader::get_output_symbol_index): New
4419         function.
4420         (Incremental_input_entry_reader::type_): Remove.
4421         (Incremental_input_entry_reader::flags_): New data member.
4422         (Incremental_inputs_reader::input_file_offset): New function.
4423         (Incremental_inputs_reader::input_file_index): New function.
4424         (Incremental_inputs_reader::input_file): Call input_file_offset.
4425         (Incremental_inputs_reader::input_file_at_offset): New function.
4426         (Incremental_relocs_reader::get_r_type): Reformat.
4427         (Incremental_relocs_reader::get_r_shndx): Reformat.
4428         (Incremental_relocs_reader::get_r_offset): Reformat.
4429         (Incremental_relocs_reader::data): New function.
4430         (Incremental_binary::Incremental_binary): Initialize new data members.
4431         (Incremental_binary::check_inputs): Add cmdline parameter.
4432         (Incremental_binary::file_is_unchanged): Remove.
4433         (Input_reader::arg_serial): New function.
4434         (Input_reader::get_unused_symbol_count): New function.
4435         (Input_reader::get_unused_symbol): New function.
4436         (Input_reader::do_arg_serial): New function.
4437         (Input_reader::do_get_unused_symbol_count): New function.
4438         (Input_reader::do_get_unused_symbol): New function.
4439         (Incremental_binary::input_file_count): New function.
4440         (Incremental_binary::get_input_reader): Change signature to use
4441         index instead of filename.
4442         (Incremental_binary::file_has_changed): New function.
4443         (Incremental_binary::get_input_argument): New function.
4444         (Incremental_binary::get_library): New function.
4445         (Incremental_binary::get_script_info): New function.
4446         (Incremental_binary::init_layout): New function.
4447         (Incremental_binary::reserve_layout): New function.
4448         (Incremental_binary::output_file): New function.
4449         (Incremental_binary::do_check_inputs): New function.
4450         (Incremental_binary::do_file_is_unchanged): Remove.
4451         (Incremental_binary::do_file_has_changed): New function.
4452         (Incremental_binary::do_init_layout): New function.
4453         (Incremental_binary::do_reserve_layout): New function.
4454         (Incremental_binary::do_input_file_count): New function.
4455         (Incremental_binary::do_get_input_reader): Change signature.
4456         (Incremental_binary::input_args_map_): New data member.
4457         (Incremental_binary::library_map_): New data member.
4458         (Incremental_binary::script_map_): New data member.
4459         (Sized_incremental_binary::Sized_incremental_binary): Initialize
4460         new data members.
4461         (Sized_incremental_binary::output_section): New function.
4462         (Sized_incremental_binary::inputs_reader): Add const.
4463         (Sized_incremental_binary::symtab_reader): Add const.
4464         (Sized_incremental_binary::relocs_reader): Add const.
4465         (Sized_incremental_binary::got_plt_reader): Add const.
4466         (Sized_incremental_binary::get_symtab_view): New function.
4467         (Sized_incremental_binary::Inputs_reader): New typedef.
4468         (Sized_incremental_binary::Input_entry_reader): New typedef.
4469         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
4470         (Sized_incremental_binary::do_file_is_unchanged): Remove.
4471         (Sized_incremental_binary::do_file_has_changed): New function.
4472         (Sized_incremental_binary::do_init_layout): New function.
4473         (Sized_incremental_binary::do_reserve_layout): New function.
4474         (Sized_input_reader::Inputs_reader): Remove.
4475         (Sized_input_reader::Input_entry_reader): Remove.
4476         (Sized_input_reader::do_arg_serial): New function.
4477         (Sized_input_reader::do_get_unused_symbol_count): New function.
4478         (Sized_input_reader::do_get_unused_symbol): New function.
4479         (Sized_incremental_binary::do_input_file_count): New function.
4480         (Sized_incremental_binary::do_get_input_reader): Change signature;
4481         use index instead of filename.
4482         (Sized_incremental_binary::section_map_): New data member.
4483         (Sized_incremental_binary::input_entry_readers_): New data member.
4484         (class Sized_incr_relobj): New class.
4485         (class Sized_incr_dynobj): New class.
4486         (make_sized_incremental_object): New function.
4487         (class Incremental_library): New class.
4488         * layout.cc (Free_list::num_lists): New static data member.
4489         (Free_list::num_nodes): New static data member.
4490         (Free_list::num_removes): New static data member.
4491         (Free_list::num_remove_visits): New static data member.
4492         (Free_list::num_allocates): New static data member.
4493         (Free_list::num_allocate_visits): New static data member.
4494         (Free_list::init): New function.
4495         (Free_list::remove): New function.
4496         (Free_list::allocate): New function.
4497         (Free_list::dump): New function.
4498         (Free_list::print_stats): New function.
4499         (Layout_task_runner::run): Resize output file for incremental updates.
4500         (Layout::Layout): Initialize new data members.
4501         (Layout::set_incremental_base): New function.
4502         (Layout::init_fixed_output_section): New function.
4503         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
4504         incremental updates.
4505         (Layout::create_gold_note): Do not create gold note section for
4506         incremental updates.
4507         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
4508         for incremental updates.
4509         (Layout::set_section_offsets): For incremental updates, allocate space
4510         from free list.
4511         (Layout::create_symtab_sections): Layout with offsets relative to
4512         start of section; for incremental updates, allocate space from free
4513         list.
4514         (Layout::create_shdrs): For incremental updates, allocate space from
4515         free list.
4516         (Layout::finish_dynamic_section): For incremental updates, do not
4517         check --as-needed (fixed in subsequent patch).
4518         * layout.h (class Free_list): New class.
4519         (Layout::set_incremental_base): New function.
4520         (Layout::incremental_base): New function.
4521         (Layout::init_fixed_output_section): New function.
4522         (Layout::allocate): New function.
4523         (Layout::incremental_base_): New data member.
4524         (Layout::free_list_): New data member.
4525         * main.cc (main): Print Free_list statistics.
4526         * object.cc (Relobj::finalize_incremental_relocs): Add
4527         clear_counts parameter; clear counts only when clear_counts is set.
4528         (Sized_relobj::Sized_relobj): Initialize new base class.
4529         (Sized_relobj::do_layout): Don't report special sections.
4530         (Sized_relobj::do_for_all_local_got_entries): New function.
4531         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
4532         symtab_off to all symbol table offsets.
4533         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
4534         * object.h (class Got_offset_list): Move to top of file.
4535         (Object::Object): Allow case where input_file == NULL.
4536         (Object::~Object): Likewise.
4537         (Object::input_file): Assert that input_file != NULL.
4538         (Object::lock): Allow case where input_file == NULL.
4539         (Object::unlock): Likewise.
4540         (Object::is_locked): Likewise.
4541         (Object::token): Likewise.
4542         (Object::release): Likewise.
4543         (Object::is_incremental): New function.
4544         (Object::get_mtime): New function.
4545         (Object::for_all_local_got_entries): New function.
4546         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
4547         (Object::set_is_in_system_directory): New function.
4548         (Object::is_in_system_directory): New function.
4549         (Object::do_is_incremental): New function.
4550         (Object::do_get_mtime): New function.
4551         (Object::do_for_all_local_got_entries): New function.
4552         (Object::is_in_system_directory_): New data member.
4553         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
4554         (class Sized_relobj_base): New class.
4555         (class Sized_relobj): Derive from Sized_relobj_base.
4556         (class Sized_relobj::Symbols): Redeclare from base class.
4557         (class Sized_relobj::local_got_offset_list): Remove.
4558         (class Sized_relobj::Output_sections): Redeclare from base class.
4559         (class Sized_relobj::do_for_all_local_got_entries): New function.
4560         (class Sized_relobj::write_local_symbols): Add offset parameter.
4561         (class Sized_relobj::local_symbol_offset_): Update comment.
4562         (class Sized_relobj::local_dynsym_offset_): Update comment.
4563         * options.cc (Input_arguments::add_file): Remove const.
4564         * options.h (Input_file_argument::Input_file_argument):
4565         Initialize arg_serial_ (all constructors).
4566         (Input_file_argument::set_arg_serial): New function.
4567         (Input_file_argument::arg_serial): New function.
4568         (Input_file_argument::arg_serial_): New data member.
4569         (Input_arguments::Input_arguments): Initialize file_count_.
4570         (Input_arguments::add_file): Remove const.
4571         (Input_arguments::number_of_input_files): New function.
4572         (Input_arguments::file_count_): New data member.
4573         (Command_line::number_of_input_files): Call
4574         Input_arguments::number_of_input_files.
4575         * output.cc (Output_segment_headers::Output_segment_headers):
4576         Set current size.
4577         (Output_section::Input_section::current_data_size): New function.
4578         (Output_section::Output_section): Initialize new data members.
4579         (Output_section::add_input_section): Don't do merge sections for
4580         an incremental link; allocate space from free list for an
4581         incremental update.
4582         (Output_section::add_output_section_data): Allocate space from
4583         free list for an incremental update.
4584         (Output_section::update_data_size): New function.
4585         (Output_section::set_fixed_layout): New function.
4586         (Output_section::reserve): New function.
4587         (Output_segment::set_section_addresses): Remove const.
4588         (Output_segment::set_section_list_addresses): Remove const; allocate
4589         space from free list for an incremental update.
4590         (Output_segment::set_offset): Adjust size of RELRO segment for an
4591         incremental update.
4592         * output.h (Output_data::current_data_size): Move here from
4593         child classes.
4594         (Output_data::pre_finalize_data_size): New function.
4595         (Output_data::update_data_size): New function.
4596         (Output_section_headers::update_data_size): new function.
4597         (Output_section_data_build::current_data_size): Move to Output_data.
4598         (Output_data_strtab::update_data_size): New function.
4599         (Output_section::current_data_size): Move to Output_data.
4600         (Output_section::set_fixed_layout): New function.
4601         (Output_section::has_fixed_layout): New function.
4602         (Output_section::reserve): New function.
4603         (Output_section::update_data_size): New function.
4604         (Output_section::has_fixed_layout_): New data member.
4605         (Output_section::free_list_): New data member.
4606         (Output_segment::set_section_addresses): Remove const.
4607         (Output_segment::set_section_list_addresses): Remove const.
4608         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
4609         New function.
4610         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
4611         New function.
4612         * readsyms.cc (Read_symbols::do_read_symbols): Add library
4613         parameter when calling Add_symbols constructor; store argument
4614         serial number for members of a lib group.
4615         (Add_symbols::locks): Allow case where token == NULL.
4616         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
4617         (Read_member::~Read_member): New function.
4618         (Read_member::is_runnable): New function.
4619         (Read_member::locks): New function.
4620         (Read_member::run): New function.
4621         (Check_script::~Check_script): New function.
4622         (Check_script::is_runnable): New function.
4623         (Check_script::locks): New function.
4624         (Check_script::run): New function.
4625         (Check_library::~Check_library): New function.
4626         (Check_library::is_runnable): New function.
4627         (Check_library::locks): New function.
4628         (Check_library::run): New function.
4629         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
4630         (Add_symbols::library_): New data member.
4631         (class Read_member): New class.
4632         (class Check_script): New class.
4633         (class Check_library): New class.
4634         * reloc.cc (Read_relocs::is_runnable): Allow case where
4635         token == NULL.
4636         (Read_relocs::locks): Likewise.
4637         (Scan_relocs::locks): Likewise.
4638         (Relocate_task::locks): Likewise.
4639         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
4640         to clear counters.
4641         (Sized_relobj::incremental_relocs_scan): Fix comment.
4642         (Sized_relobj::do_relocate): Pass output file offset to
4643         write_local_symbols.
4644         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
4645         from class declaration.
4646         * script.cc (read_input_script): Allocate Script_info; pass
4647         argument serial number to report_script.
4648         * script.h (class Script_info): Move to incremental.h.
4649         * symtab.cc (Symbol_table::add_from_incrobj): New function.
4650         * symtab.h (Symbol_table::add_from_incrobj): New function.
4651         (Symbol_table::set_file_offset): New function.
4652
4653 2011-04-05  Cary Coutant  <ccoutant@google.com>
4654
4655         * incremental-dump.cc (dump_incremental_inputs): Change signature
4656         to take a Sized_incremental_binary; change caller.  Use readers
4657         in Sized_incremental_binary.
4658         * incremental.cc
4659         (Sized_incremental_binary::find_incremental_inputs_sections):
4660         Rename do_find_incremental_inputs_sections to this.
4661         (Sized_incremental_binary::setup_readers): New function.
4662         (Sized_incremental_binary::do_check_inputs): Check
4663         has_incremental_info_ flag; move setup code to setup_readers;
4664         use input readers.
4665         (Sized_incremental_binary::do_file_is_unchanged): New function.
4666         (Sized_incremental_binary::do_get_input_reader): New function.
4667         * incremental.h (class Incremental_binary): Move to end of file.
4668         (Incremental_binary::file_is_unchanged): New function.
4669         (Incremental_binary::do_file_is_unchanged): New function.
4670         (Incremental_binary::Input_reader): New class.
4671         (Incremental_binary::get_input_reader): New function.
4672         (class Sized_incremental_binary): Move to end of file.
4673         (Sized_incremental_binary::Sized_incremental_binary): Setup the
4674         input section reader classes.
4675         (Sized_incremental_binary::has_incremental_info): New function.
4676         (Sized_incremental_binary::inputs_reader): New function.
4677         (Sized_incremental_binary::symtab_reader): New function.
4678         (Sized_incremental_binary::relocs_reader): New function.
4679         (Sized_incremental_binary::got_plt_reader): New function.
4680         (Sized_incremental_binary::do_file_is_unchanged): New function.
4681         (Sized_incremental_binary::Sized_input_reader): New class.
4682         (Sized_incremental_binary::get_input_reader): New function.
4683         (Sized_incremental_binary::find_incremental_inputs_sections):
4684         Rename do_find_incremental_inputs_sections to this.
4685         (Sized_incremental_binary::setup_readers): New function.
4686         (Sized_incremental_binary::has_incremental_info_): New data member.
4687         (Sized_incremental_binary::inputs_reader_): New data member.
4688         (Sized_incremental_binary::symtab_reader_): New data member.
4689         (Sized_incremental_binary::relocs_reader_): New data member.
4690         (Sized_incremental_binary::got_plt_reader_): New data member.
4691         (Sized_incremental_binary::current_input_file_): New data member.
4692
4693 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
4694
4695         PR gold/12640
4696         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
4697         violation.
4698
4699 2011-03-30  Cary Coutant  <ccoutant@google.com>
4700
4701         * archive.cc (Archive::include_member): Adjust call to report_object.
4702         (Add_archive_symbols::run): Add script_info to call to
4703         report_archive_begin.
4704         (Lib_group::include_member): Adjust call to report_object.
4705         (Add_lib_group_symbols::run): Adjust call to report_object.
4706         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
4707         blocks.  Add object count for script input files.
4708         * incremental.cc (Incremental_inputs::report_archive_begin): Add
4709         script_info parameter; change all callers.
4710         (Incremental_inputs::report_object): Add script_info parameter;
4711         change all callers.
4712         (Incremental_inputs::report_script): Store backpointer to
4713         incremental info entry.
4714         (Output_section_incremental_inputs::set_final_data_size): Record
4715         additional information for scripts.
4716         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4717         * incremental.h (Incremental_script_entry::add_object): New function.
4718         (Incremental_script_entry::get_object_count): New function.
4719         (Incremental_script_entry::get_object): New function.
4720         (Incremental_script_entry::objects_): New data member; adjust
4721         constructor.
4722         (Incremental_inputs::report_archive_begin): Add script_info parameter.
4723         (Incremental_inputs::report_object): Add script_info parameter.
4724         (Incremental_inputs_reader::get_object_count): New function.
4725         (Incremental_inputs_reader::get_object_offset): New function.
4726         * options.cc (Input_arguments::add_file): Return reference to
4727         new input argument.
4728         * options.h (Input_argument::set_script_info): New function.
4729         (Input_argument::script_info): New function.
4730         (Input_argument::script_info_): New data member; adjust all
4731         constructors.
4732         (Input_file_group::add_file): Return reference to new input argument.
4733         (Input_file_lib::add_file): Likewise.
4734         (Input_arguments::add_file): Likewise.
4735         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
4736         * script.cc (Parser_closure::Parser_closure): Add script_info
4737         parameter; adjust all callers.
4738         (Parser_closure::script_info): New function.
4739         (Parser_closure::script_info_): New data member.
4740         (read_input_script): Report scripts earlier to incremental info.
4741         (script_add_file): Set script_info in Input_argument.
4742         (script_add_library): Likewise.
4743         * script.h (Script_options::Script_info): Rewrite class.
4744
4745 2011-03-29  Cary Coutant  <ccoutant@google.com>
4746
4747         * archive.cc (Library_base::should_include_member): Move
4748         method here from class Archive.
4749         (Archive::Archive): Initialize base class.
4750         (Archive::should_include_member): Move to base class.
4751         (Archive::do_for_all_unused_symbols): New function.
4752         (Add_archive_symbols::run): Remove redundant access to
4753         incremental_inputs.
4754         (Lib_group::Lib_group): Initialize base class.
4755         (Lib_group::do_filename): New function.
4756         (Lib_group::include_member): Pass pointer to Lib_group to
4757         report_object.
4758         (Lib_group::do_for_all_unused_symbols): New function.
4759         (Add_lib_group_symbols::run): Report archive information for
4760         incremental links.
4761         * archive.h (class Library_base): New base class.
4762         (class Archive): Derive from Library_base.
4763         (Archive::filename): Move to base class.
4764         (Archive::set_incremental_info): Likewise.
4765         (Archive::incremental_info): Likewise.
4766         (Archive::Should_include): Likewise.
4767         (Archive::should_include_member): Likewise.
4768         (Archive::Armap_entry): Remove.
4769         (Archive::Unused_symbol_iterator): Remove.
4770         (Archive::unused_symbols_begin): Remove.
4771         (Archive::unused_symbols_end): Remove.
4772         (Archive::do_filename): New function.
4773         (Archive::do_get_mtime): New function.
4774         (Archive::do_for_all_unused_symbols): New function.
4775         (Archive::task_): Move to base class.
4776         (Archive::incremental_info_): Likewise.
4777         (class Lib_group): Derive from Library_base.
4778         (Lib_group::do_filename): New function.
4779         (Lib_group::do_get_mtime): New function.
4780         (Lib_group::do_for_all_unused_symbols): New function.
4781         (Lib_group::task_): Move to base class.
4782         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
4783         function.
4784         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
4785         function.
4786         * incremental.cc (Incremental_inputs::report_archive_begin):
4787         Use Library_base; call library's get_mtime; add incremental inputs
4788         entry before members.
4789         (class Unused_symbol_visitor): New class.
4790         (Incremental_inputs::report_archive_end): Use Library_base; use
4791         visitor class to record unused symbols; don't add incremental inputs
4792         entry after members.
4793         (Incremental_inputs::report_object): Use Library_base.
4794         * incremental.h
4795         (Incremental_archive_entry::Incremental_archive_entry): Remove
4796         unused Archive parameter.
4797         (Incremental_inputs::report_archive_begin): Use Library_base.
4798         (Incremental_inputs::report_archive_end): Likewise.
4799         (Incremental_inputs::report_object): Likewise.
4800         * object.cc (Sized_relobj::do_for_all_global_symbols): New
4801         function.
4802         * object.h (Object::for_all_global_symbols): New function.
4803         (Object::do_for_all_global_symbols): New function.
4804         (Sized_relobj::do_for_all_global_symbols): New function.
4805         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
4806         function.
4807         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
4808         function.
4809
4810 2011-03-27  Ian Lance Taylor  <iant@google.com>
4811
4812         * archive.cc (Archive::interpret_header): Return -1 if something
4813         goes wrong.  Change callers accordingly.
4814
4815 2011-03-25  Cary Coutant  <ccoutant@google.com>
4816
4817         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
4818         * testsuite/Makefile.in: Regenerate.
4819
4820 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
4821
4822         * plugin.cc (get_view): New.
4823         (Plugin::load): Pass get_view to the plugin.
4824         (Plugin_manager::get_view): New.
4825
4826 2011-03-21  Ian Lance Taylor  <iant@google.com>
4827
4828         * testsuite/final_layout.sh: Rewrite to not use dc.
4829         * testsuite/relro_test.sh: Fail if dc is not present.
4830
4831 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
4832
4833         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
4834         Change == to -eq.
4835         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
4836         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
4837         Change == to -eq.
4838         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
4839         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
4840
4841 2011-03-14  Ian Lance Taylor  <iant@google.com>
4842
4843         * script-sections.cc (Sort_output_sections::script_compare):
4844         Rename from is_before, change return type.
4845         (Sort_output_sections::operator()): Adjust accordingly.
4846
4847 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
4848
4849         PR gold/12572
4850         * testsuite/odr_violation2.cc: Add comment to make all error line
4851         numbers double digits.
4852         * testsuite/debug_msg.sh: Adjust expected errors.
4853
4854 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
4855
4856         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
4857         but mark earlier ones as non-canonical
4858         (offset_to_iterator): Update search target and example
4859         (do_addr2line): Return extra lines in a vector*
4860         (format_file_lineno): Extract from do_addr2line
4861         (one_addr2line): Add vector* out-param
4862         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
4863         when a lineno entry appeared last for its instruction
4864         (Dwarf_line_info): Add vector* out-param
4865         * object.cc (Relocate_info): Pass NULL for the vector* out-param
4866         * symtab.cc (Odr_violation_compare): Include the lineno in the
4867         comparison again.
4868         (linenos_from_loc): New. Combine the canonical line for an
4869         address with its other lines.
4870         (True_if_intersect): New. Helper functor to make
4871         std::set_intersection a query.
4872         (detect_odr_violations): Compare sets of lines instead of just
4873         one line for each function. This became less deterministic, but
4874         has fewer false positives.
4875         * symtab.h: Declarations.
4876         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
4877         mix an optimized and non-optimized object in the same binary
4878         (odr_violation2.so): Same.
4879         * testsuite/Makefile.in: Regenerate from Makefile.am.
4880         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
4881         * testsuite/debug_msg.sh: Update line numbers and add
4882         assertions.
4883         * testsuite/odr_violation1.cc: Use OdrDerived, in a
4884         non-optimized context.
4885         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
4886         isn't inlined, and use OdrDerived in an optimized context.
4887         * testsuite/odr_header1.h: Defines OdrDerived, where
4888         optimization will change the
4889         first-instruction-in-the-destructor's file and line number.
4890         * testsuite/odr_header2.h: Defines OdrBase.
4891
4892 2011-03-09  Ian Lance Taylor  <iant@google.com>
4893
4894         * fileread.cc (File_read::clear_views): Don't delete the whole
4895         file view.
4896
4897 2011-03-08  Ian Lance Taylor  <iant@google.com>
4898
4899         PR gold/12525
4900         * fileread.cc: #include <climits>.
4901         (GOLD_IOV_MAX): Define.
4902         (File_read::read_multiple): Limit number of entries by iov_max.
4903         * fileread.h (class File_read): Always set max_readv_entries to
4904         128.
4905
4906 2011-03-07  Ian Lance Taylor  <iant@google.com>
4907
4908         PR gold/12525
4909         * options.h (class General_options): Add -dy and -dn.
4910
4911 2011-03-02  Cary Coutant  <ccoutant@google.com>
4912
4913         * testsuite/script_test_9.t: Add TLS segment.
4914
4915 2011-03-02  Simon Baldwin  <simonb@google.com>
4916
4917         * configure.ac: Add check for gnu_indirect_function support in
4918         the toolchain building binutils.
4919         * configure: Rebuild.
4920
4921 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
4922
4923         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
4924         plugin only symbols.
4925         (Symbol_table::sized_finalize_symbol) Mark symbol only present
4926         in plugin files as not needed in the symbol table.
4927
4928 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
4929
4930         * output.cc (Output_section::add_input_section): Delay fill
4931         generation for section ordering.
4932
4933 2011-02-09  Ian Lance Taylor  <iant@google.com>
4934
4935         PR gold/12316
4936         * object.h (class Sized_relobj): Remove clear_local_symbols.
4937         * reloc.cc (Sized_relobj::do_relocate): Don't call
4938         clear_local_symbols.
4939
4940 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
4941
4942         * plugin.cc (is_visible_from_outside): Return true for symbols
4943         in the -u option.
4944
4945 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
4946
4947         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
4948         filename.
4949
4950 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
4951
4952         * icf.h (is_section_foldable_candidate): Change type of parameter
4953         to std::string.
4954         * icf.cc (Icf::find_identical_sections): Change type of local variable
4955         section_name to be std::string.
4956         (is_function_ctor_or_dtor): Change type of parameter to std::string.
4957
4958 2011-01-25  Ian Lance Taylor  <iant@google.com>
4959
4960         * script.cc (script_add_extern): Rewrite to use
4961         add_symbol_reference.
4962
4963 2011-01-25  Doug Kwan  <dougkwan@google.com>
4964
4965         * icf.cc (get_section_contents): Always lock section's object.
4966
4967 2011-01-24  Ian Lance Taylor  <iant@google.com>
4968
4969         * options.h (class General_options): Accept
4970         --no-detect-odr-violations.
4971
4972 2011-01-24  Ian Lance Taylor  <iant@google.com>
4973
4974         * version.cc (version_string): Bump to 1.11.
4975
4976 2011-01-24  Ian Lance Taylor  <iant@google.com>
4977
4978         * plugin.cc (class Plugin_rescan): Define new class.
4979         (Plugin_manager::claim_file): Set any_claimed_.
4980         (Plugin_manager::save_archive): New function.
4981         (Plugin_manager::save_input_group): New function.
4982         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
4983         necessary.
4984         (Plugin_manager::new_undefined_symbol): New function.
4985         (Plugin_manager::rescan): New function.
4986         (Plugin_manager::rescannable_defines): New function.
4987         (Plugin_manager::add_input_file): Set any_added_.
4988         * plugin.h (class Plugin_manager): define new fields rescannable_,
4989         undefined_symbols_, any_claimed_, and any_added_.  Declare
4990         Plugin_rescan as friend.  Declare new functions.
4991         (Plugin_manager::Rescannable): Define type.
4992         (Plugin_manager::Rescannable_list): Define type.
4993         (Plugin_manager::Undefined_symbol_list): Define type.
4994         (Plugin_manager::Plugin_manager): Initialize new fields.
4995         * archive.cc (Archive::defines_symbol): New function.
4996         (Add_archive_symbols::run): Pass archive to plugins if any.
4997         * archive.h (class Archive): Declare defines_symbol.
4998         * readsyms.cc (Input_group::~Input_group): New function.
4999         (Finish_group::run): Pass input_group to plugins if any.
5000         * readsyms.h (class Input_group): Declare destructor.
5001         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
5002         any.
5003
5004 2011-01-10  Ian Lance Taylor  <iant@google.com>
5005
5006         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
5007         section as relro.
5008         (Layout::set_segment_offsets): Reset increase_relro before calling
5009         set_section_addresses a second time.
5010
5011 2011-01-04  Cary Coutant  <ccoutant@google.com>
5012
5013         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
5014         sections before NOBITS sections.
5015
5016 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
5017
5018         * version.cc (print_version): Update copyright to 2011.
5019
5020 2010-12-23  Cary Coutant  <ccoutant@google.com>
5021
5022         * output.h (Output_data_reloc::add_output_section): Pass OD instead
5023         of OS to this->add.  Add OD parameter to second form of the function.
5024
5025 2010-12-20  Ian Lance Taylor  <iant@google.com>
5026
5027         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
5028         second of two consecutive entries with same offset.
5029
5030 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5031
5032         * testsuite/Makefile.am (ifuncmain2static_LDADD)
5033         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
5034         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
5035         to avoid unneeded links against $(LDADD).
5036         * testsuite/Makefile.in: Regenerate.
5037
5038 2010-12-15  Ian Lance Taylor  <iant@google.com>
5039
5040         PR gold/12324
5041         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
5042         for R_X86_64_32 and R_X86_64_PC32.
5043         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
5044         ver_matching_def_pic.o.
5045         (ver_matching_def_pic.o): New target.
5046
5047 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5048
5049         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
5050         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
5051         Move definition before File_read::View member definitions.
5052         (File_read::View::~View): Initialize and hold lock before
5053         updating current_mapped_bytes.
5054
5055 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5056
5057         * dwarf_reader.cc: Remove outdated comment.
5058         * gold-threads.cc: Fix typo in error message.
5059         * archive.cc: Fix typos in comments.
5060         * archive.h: Likewise.
5061         * arm-reloc-property.cc: Likewise.
5062         * arm-reloc-property.h: Likewise.
5063         * arm-reloc.def: Likewise.
5064         * arm.cc: Likewise.
5065         * attributes.h: Likewise.
5066         * cref.cc: Likewise.
5067         * ehframe.cc: Likewise.
5068         * fileread.h: Likewise.
5069         * gold.h: Likewise.
5070         * i386.cc: Likewise.
5071         * icf.cc: Likewise.
5072         * incremental.h: Likewise.
5073         * int_encoding.cc: Likewise.
5074         * layout.h: Likewise.
5075         * main.cc: Likewise.
5076         * merge.h: Likewise.
5077         * object.cc: Likewise.
5078         * object.h: Likewise.
5079         * options.cc: Likewise.
5080         * readsyms.cc: Likewise.
5081         * reduced_debug_output.cc: Likewise.
5082         * reloc.cc: Likewise.
5083         * script-sections.cc: Likewise.
5084         * sparc.cc: Likewise.
5085         * symtab.h: Likewise.
5086         * target-reloc.h: Likewise.
5087         * target.cc: Likewise.
5088         * target.h: Likewise.
5089         * timer.cc: Likewise.
5090         * timer.h: Likewise.
5091         * x86_64.cc: Likewise.
5092
5093 2010-12-09  Cary Coutant  <ccoutant@google.com>
5094
5095         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
5096         stack.
5097         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
5098         parameter; change all callers.
5099         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
5100         * options.h (warn_execstack): New option.
5101
5102 2010-12-07  Doug Kwan  <dougkwan@google.com>
5103
5104         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
5105         like function call relocations.
5106
5107 2010-12-07  Ian Lance Taylor  <iant@google.com>
5108
5109         * archive.cc (Archive::get_elf_object_for_member): Permit
5110         punconfigured to be NULL.
5111         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
5112         (Archive::include_member): Pass NULL to get_elf_object_for_member
5113         if we searched for the archive and this is the first included
5114         object.
5115
5116 2010-12-01  Ian Lance Taylor  <iant@google.com>
5117
5118         * dwarf_reader.h (class Sized_dwarf_line_info): Add
5119         track_relocs_type_ field.
5120         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5121         Set track_relocs_type_.
5122         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
5123         contents when using RELA relocs.
5124         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
5125         reloc_map_.
5126         * reloc.cc (Track_relocs::next_addend): New function.
5127         * reloc.h (class Track_relocs): Declare next_addend.
5128
5129 2010-12-01  Ian Lance Taylor  <iant@google.com>
5130
5131         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
5132         virtual destructor.
5133
5134 2010-12-01  Ian Lance Taylor  <iant@google.com>
5135
5136         * README: Update compilers known to work and fail.
5137
5138 2010-11-23  Matthias Klose  <doko@ubuntu.com>
5139
5140         * configure.in: For --enable-gold, handle value `default' instead of
5141         `both*'.  Always install ld as ld.bfd, install as ld if gold is
5142         not the default.
5143         * configure: Regenerate.
5144
5145 2010-11-18  Doug Kwan  <dougkwan@google.com>
5146
5147         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
5148         and right_alignment to be zero.  Store result alignment only if it is
5149         greater than existing alignment.
5150
5151 2010-11-16  Cary Coutant  <ccoutant@google.com>
5152
5153         PR gold/12220
5154         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5155         Check for ".zdebug_line".
5156
5157 2010-11-16  Doug Kwan  <dougkwan@google.com>
5158             Cary Coutant  <ccoutant@google.com>
5159
5160         * output.h (Output_segment::set_section_addresses): Pass increase_relro
5161         by reference; adjust all callers.
5162         * output.cc (Output_segment::set_section_addresses): Adjust references
5163         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
5164         list is empty.
5165         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
5166         end at page boundary.
5167
5168 2010-11-16  Cary Coutant  <ccoutant@google.com>
5169
5170         PR gold/12220
5171         * layout.cc (Layout::choose_output_section): Transform names of
5172         compressed sections even when using a script with a SECTIONS clause.
5173         (Layout::output_section_name): Remove code to transform
5174         compressed debug section names.
5175         * output.cc (Output_section::add_input_section): Use uncompressed
5176         section size when tracking input sections.
5177
5178 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
5179
5180         * symtab.h (Symbol::NON_PIC_REF): Remove.
5181         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
5182         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
5183         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
5184         (Symbol::use_plt_offset): Take a flags argument and pass it
5185         directly to needs_dynamic_reloc.  Restrict check for undefined
5186         weak symbols to function calls.
5187         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
5188         (Target_arm::Scan::global): Use it.
5189         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
5190         (Target_arm::Relocate::relocate): Likewise.
5191         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
5192         parameter with an r_type parameter.  Use get_reference_flags
5193         to get the flags.
5194         (Target_arm::Relocate::relocate): Update accordingly.
5195         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
5196         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
5197         (Target_i386::Scan::global): Likewise.
5198         (Target_i386::Relocate::relocate): Likewise.
5199         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
5200         parameter with an r_type parameter.  Use get_reference_flags
5201         to get the flags.
5202         (Target_i386::Relocate::relocate): Update accordingly.
5203         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
5204         (Target_powerpc::Scan::global): Use it.
5205         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
5206         (Target_powerpc::Relocate::relocate): Likewise.
5207         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
5208         (Target_sparc::Scan::global): Use it.
5209         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
5210         (Target_sparc::Relocate::relocate): Likewise.
5211         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
5212         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
5213         (Target_x86_64::Scan::global): Likewise.
5214         (Target_x86_64::Relocate::relocate): Likewise.
5215
5216 2010-11-08  Doug Kwan  <dougkwan@google.com>
5217             Cary Coutant  <ccoutant@google.com>
5218
5219         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
5220         (Arm_exidx_merge_section::section_contents_): New data member.
5221         (Arm_input_section::Arm_input_section): Initialize original_contents_.
5222         (Arm_input_section::~Arm_input_section): De-allocate memory.
5223         (Arm_input_section::original_contents_): New data member.
5224         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
5225         in parameters instead of calling Object::section_contents without
5226         locking.
5227         (Arm_output_section::group_section): New parameter TASK.  Pass it
5228         to callees that need locking objects.
5229         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
5230         to lock EXIDX input sections.  Fix a formatting issue.  Call
5231         Arm_exidx_merged_section::build_contents to create merged section
5232         contents.
5233         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
5234         to lock object of stub table owner.
5235         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
5236         TEXT_SIZE to initialize data member TEXT_SIZE_.
5237         (Arm_exidx_input_section::addralign): Fix typo in comment.
5238         (Arm_exidx_input_section::text_size): New method.
5239         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
5240         that require locking objects.  Lock objects before scanning for stubs
5241         and updating local symbols.
5242         (Arm_input_section<big_endian>::init): Copy contents of original
5243         input section.
5244         (Arm_input_section<big_endian>::do_write): Use saved contents of
5245         original input section instead of calling Object::section_contents
5246         without locking.
5247         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
5248         size without calling Object::section_size().
5249         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
5250         for size.  Allocate a buffer for merged EXIDX entries.
5251         (Arm_exidx_merged_section::build_contents): New method.
5252         (Arm_exidx_merged_section::do_write): Move merge section contents
5253         building code to Arm_exidx_merged_section::build_contetns.  Write
5254         out contetns in buffer instead of building it on the fly.
5255         (Arm_relobj::make_exidx_input_section): Also pass text section size
5256         to Arm_exidx_input_section constructor.
5257         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
5258         (Arm_dynobj::do_read_symbols): Fix memory leak.
5259         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
5260         * target.h: (class Task): Add forward declaration.
5261         (Target::relax): Add new parameter TASK and pass it to
5262         Target::do_relax().
5263         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
5264
5265 2010-11-05  Cary Coutant  <ccoutant@google.com>
5266
5267         PR gold/10708
5268         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
5269         object when reading from the file.
5270         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
5271         second layout pass.
5272         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
5273         when reading section contents.
5274         (get_section_contents): Likewise.
5275         (icf::find_identical_sections): Likewise.
5276         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
5277         object when reading from the file.
5278         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
5279         the object when doing deferred section layout.
5280
5281 2010-11-03  Nick Clifton  <nickc@redhat.com>
5282
5283         PR gold/12001
5284         * script.h (class Symbol_assignment: name): New member.  Returns
5285         the name of the symbol.
5286         * scrfipt.cc (Script_options::is_pending_assignment): New member.
5287         Returns true if the given symbol name is on the list of
5288         assignments wating to be processed.
5289         * archive.cc (should_incldue_member): If the symbol is undefined,
5290         check to see if it is on the list of symbols pending assignment.
5291
5292 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
5293
5294         * script-sections.cc (Script_sections::find_memory_region): Check
5295         for a NULL output section pointer.
5296
5297 2010-10-29  Doug Kwan  <dougkwan@google.com>
5298
5299         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
5300         Output_section::add_relaxed_input_section.
5301         * output.cc (Output_section::add_relaxed_input_section): Add new
5302         arguments LAYOUT and NAME.  Set section order index.
5303         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5304         Copy section order index.
5305         * output.h (Output_section::add_relaxed_input_section): Add new
5306         arguments LAYOUT and NAME.
5307
5308 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5309
5310         * testsuite/Makefile.am: Move gcctestdir/ld rule to
5311         NATIVE_OR_CROSS_LINKER.
5312         * testsuite/Makefile.in: Regenerate.
5313
5314 2010-10-20  Doug Kwan  <dougkwan@google.com>
5315
5316         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
5317         without SHF_LINK_ORDER flags.
5318         * layout.cc (Layout::choose_output_section): Do not filter
5319         SHF_LINK_ORDER flag in a relocatable link.
5320
5321 2010-10-17  Cary Coutant  <ccoutant@google.com>
5322
5323         * output.h (Output_segment::set_section_addresses): Change function
5324         signature.  Update all callers.
5325         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
5326         sections.
5327         (Output_segment::set_section_addresses): Align after last TLS
5328         section.  Add padding before last relro section instead of after.
5329
5330 2010-10-17  Doug Kwan  <dougkwan@google.com>
5331
5332         * gold/arm.cc (Target_arm::got_section): Use correct order and set
5333         GOT output section to be writable.
5334
5335 2010-10-14  Cary Coutant  <ccoutant@google.com>
5336
5337         * debug.h (DEBUG_INCREMENTAL): New flag.
5338         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
5339         * gold.cc (queue_initial_tasks): Check parameters for incremental link
5340         mode.
5341         * incremental.cc (report_command_line): Ignore all forms of
5342         --incremental.
5343         * layout.cc (Layout::Layout): Check parameters for incremental link
5344         mode.
5345         * options.cc (General_options::parse_incremental): New function.
5346         (General_options::parse_no_incremental): New function.
5347         (General_options::parse_incremental_full): New function.
5348         (General_options::parse_incremental_update): New function.
5349         (General_options::incremental_mode_): New data member.
5350         (General_options::finalize): Check incremental_mode_.
5351         * options.h (General_options): Update help text for --incremental.
5352         Add --no-incremental, --incremental-full, --incremental-update.
5353         (General_options::Incremental_mode): New enum type.
5354         (General_options::incremental_mode): New function.
5355         (General_options::incremental_mode_): New data member.
5356         * parameters.cc (Parameters::incremental_mode_): New data member.
5357         (Parameters::set_options): Set incremental_mode_.
5358         (Parameters::set_incremental_full): New function.
5359         (Parameters::incremental): New function.
5360         (Parameters::incremental_update): New function.
5361         (set_parameters_incremental_full): New function.
5362         * parameters.h (Parameters::set_incremental_full): New function.
5363         (Parameters::incremental): New function.
5364         (Parameters::incremental_update): New function.
5365         (Parameters::incremental_mode_): New data member.
5366         (set_parameters_incremental_full): New function.
5367         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
5368         incremental link mode.
5369         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
5370         (Sized_relobj::do_relocate_sections): Likewise.
5371         * testsuite/Makefile.am (incremental_test): Use --incremental-full
5372         option.
5373         * testsuite/Makefile.in: Regenerate.
5374         * testsuite/incremental_test.sh: Filter all forms of --incremental.
5375
5376 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5377
5378         * script-sections.h (class Script_sections): Make
5379         Sections_elements typedef public.
5380         * script-sections.cc (class Sort_output_sections): Add elements_
5381         field.  Add constructor which sets it; change all callers.
5382         (Sort_output_sections::is_before): New function.
5383         (Sort_output_sections::operator()): Call is_before.
5384         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
5385         conditional.
5386         * testsuite/script_test_10.sh: New test. Test script section
5387         order.
5388         * testsuite/script_test_10.t: Likewise.
5389         * testsuite/script_test_10.s: Likewise.
5390         * testsuite/Makefile.am: Wrap the cross linker tests and the
5391         common tests into NATIVE_OR_CROSS_LINKER.
5392         (check_SCRIPTS): Add script_test_10.sh.
5393         (check_DATA): Add script_test_10.stdout.
5394         (script_test_10.o, script_test_10): New targets.
5395         (script_test_10.stdout): New target.
5396         * configure, testsuite/Makefile.in: Regenerate.
5397
5398 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5399
5400         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
5401         error for the deprecated relocations.
5402         (Target_arm::Scan::global): Likewise.
5403         (Target_arm::Relocate::relocate): Likewise.
5404
5405 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
5406
5407         * fileread.cc (Input_file::find_file): Initialize *found_name
5408         and *namep when using the fallback search for case 4.
5409
5410 2010-10-11  Cary Coutant  <ccoutant@google.com>
5411
5412         * options.h (class General_options): Redefine -z lazy as an alias for
5413         the negation of -z now.
5414
5415 2010-10-11  Ian Lance Taylor  <iant@google.com>
5416
5417         * resolve.cc (symbol_to_bits): Report the value of the unsupported
5418         binding.
5419
5420 2010-10-06  Nick Clifton  <nickc@redhat.com>
5421
5422         * script-sections.cc(class Memory_region): Remove
5423         current_lma_offset_ field.  Rename current_vma_offset_ to
5424         current_offset_.  Add last_section_ field.
5425         (Memory_region::get_current_vma_address): Rename to
5426         get_current_address.
5427         (Memory_region::get_current_lma_address): Delete.
5428         (Memory_region::increment_vma_offset): Rename to
5429         increment_offset.
5430         (Memory_region::increment_lma_offset): Delete.
5431         (Memory_region::attributes_compatible): New method.  Returns
5432         true if the provided section is compatible with the region.
5433         (Memory_region::get_last_section): New method.  Returns the last
5434         section to use the region.
5435         (Memory_region::set_last_section): New method.  Stores the last
5436         section to use the region.
5437         (Script_sections::block_in_region): New method.  Returns true if
5438         a block of memory is contained within a region.
5439         (Script_sections::find_memory_region): New method.  Locates a
5440         memory region to be used to set a VMA or LMA address.
5441         (Output_section_definition::set_section_addresses): Add code to
5442         check for addresses set by memory regions.
5443         (Output_segment::set_section_addresses): Remove memory region
5444         walking code.
5445         (Script_sections::create_segment): Add a warning if a header
5446         segment is created outside of any region.
5447         * script-sections.h (class Script_sections): Add prototypes for
5448         find_memory_region and block_in_region methods.
5449         * testsuite/memory_test.s: Use .long instead of .word.
5450         * testsuite/memory_test.t: Add some more output sections.
5451         * testsuite/memory_test.sh: Update expected output.
5452
5453 2010-10-02  Doug Kwan  <dougkwan@google.com>
5454
5455         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
5456         defintion to symtab.h
5457         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
5458         declaration to defintion.
5459
5460 2010-10-01  Nick Clifton  <nickc@redhat.com>
5461
5462         * expression.cc (eval): Replace dummy argument with NULL.
5463         (eval_maybe_dot): Check for a NULL result section pointer.
5464         (Symbol_expression::value): Likewise.
5465         (Dot_expression::value): Likewise.
5466         (BINARY_EXPRESSION): Likewise.
5467         (Max_expression::value): Likewise.
5468         (Min_expression::value): Likewise.
5469         (Absolute_expression::value): Likewise.
5470         (Addr_expression::value_from_output_section): Likewise.
5471         (Loaddddr_expression::value_from_output_section): Likewise.
5472         (Segment_start_expression::value): Likewise.
5473         * script-sections.cc
5474         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
5475         argument with NULL.
5476         (Sections_elememt_dot_assignment::set_section_addresses):
5477         Likewise.
5478         (Output_data_expression::do_write_to_buffer): Likewise.
5479         (Output_section_definition::finalize_symbols): Likewise.
5480         (Output_section_definition::set_section_addresses): Likewise.
5481
5482 2010-09-30  Doug Kwan  <dougkwan@google.com>
5483
5484         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
5485
5486 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
5487
5488         * target.h (Target::can_icf_inline_merge_sections): New virtual
5489         function.
5490         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
5491         virtual function.
5492         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
5493         virtual function.
5494         * icf.cc (get_section_contents): Inline merge sections only when
5495         target allows it.
5496
5497 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5498
5499         * configure: Regenerate.
5500
5501 2010-09-17  Ian Lance Taylor  <iant@google.com>
5502
5503         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
5504         * testsuite/Makefile.am (memory_test.o): New target.
5505         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
5506         memory_test.t.
5507         * testsuite/Makefile.in: Rebuild.
5508
5509 2010-09-17  Doug Kwan  <dougkwan@google.com>
5510
5511         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
5512         defintion if relocation uses GOT entries of the symbol.
5513         * testsuite/icf_safe_test.sh: Fix test.
5514         * testsuite/icf_safe_so_test.sh: Fix test.
5515
5516 2010-09-16  Cary Coutant  <ccoutant@google.com>
5517
5518         * script_sections.cc (class Memory_region): Remove "NULL" from
5519         vector initializations.
5520
5521 2010-09-15  Cary Coutant  <ccoutant@google.com>
5522
5523         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
5524         Resolve forwarding symbols.
5525
5526 2010-09-15  Doug Kwan  <dougkwan@google.com>
5527
5528         * gold/testsuite/script_test_3.t: Add ARM special sections.
5529         * gold/testsuite/script_test_4.t: Same.
5530         * gold/testsuite/script_test_5.t: Same.
5531         * gold/testsuite/script_test_6.t: Same.
5532         * gold/testsuite/script_test_7.t: Same.
5533         * gold/testsuite/script_test_7.t: Same.
5534         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
5535
5536 2010-09-14  Cary Coutant  <ccoutant@google.com>
5537
5538         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
5539         (Target_x86_64::Relocate::relocate_tls): Replace check for
5540         saw_tls_block_reloc_ with test for executable section.
5541
5542 2010-09-12  Cary Coutant  <ccoutant@google.com>
5543
5544         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
5545         position-independent executables to shared libraries need dynamic
5546         relocations.
5547         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
5548         position-independent executables.
5549         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
5550         * testsuite/Makefile.in: Regenerate.
5551
5552 2010-09-10  Nick Clifton  <nickc@redhat.com>
5553
5554         PR gold/11997
5555         * testsuite/memory_test.t: Discard any sections that are not
5556         needed.
5557
5558 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
5559
5560         PR gold/11996
5561         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
5562         "This::" to work around a bug in gcc 4.2.
5563
5564         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
5565
5566 2010-09-09  Rafael Espindola  <espindola@google.com>
5567
5568         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
5569         sections with different PF_X flags in the same segment.
5570         (Layout::find_first_load_seg): Search all segments to find the first
5571         one.
5572         * options.h (rosegment): New.
5573
5574 2010-09-08  Rafael Espindola  <espindola@google.com>
5575
5576         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
5577
5578 2010-09-08  Doug Kwan  <dougkwan@google.com>
5579
5580         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
5581         (Arm_relobj::do_relocate_sections): Add new parameter for output
5582         file to match the parent.
5583         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
5584         of local symbols instead of input values.  Update code to track
5585         changes in gold::relocate_section.
5586         * object.cc (Sized_relobj::compute_final_local_value): New methods.
5587         (Sized_relobj::compute_final_local_value_internal): New methods.
5588         (Sized_relobj::do_finalize_local_symbols): Move code from loop
5589         body into private version of Sized_relobj::compute_final_local_value.
5590         Call the inline method.
5591         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
5592         merged symbol value if there is one.
5593         (Symbol_value::has_output_value): New method defintiion.
5594         (Sized_relobj::Compute_final_local_value_status): New enum type.
5595         (Sized_relobj::compute_final_local_value): New methods.
5596         (Sized_relobj::compute_final_local_value_internal): New methods.
5597         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
5598         and arm_cortex_a8.sh.
5599         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
5600         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
5601         New tests.
5602         * Makefile.in: Regenerate.
5603         * testsuite/arm_bl_out_of_range.s: Update test.
5604         * testsuite/thumb_bl_out_of_range.s: Ditto.
5605         * testsuite/thumb_blx_out_of_range.s: Ditto.
5606         * testsuite/arm_branch_out_of_range.sh: New file.
5607         * testsuite/arm_cortex_a8.sh: Ditto.
5608         * testsuite/arm_cortex_a8_b.s: Ditto.
5609         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
5610         * testsuite/arm_cortex_a8_b_local.s: Ditto.
5611         * testsuite/arm_cortex_a8_bl.s: Ditto.
5612         * testsuite/arm_cortex_a8_blx.s: Ditto.
5613         * testsuite/arm_cortex_a8_local.s: Ditto.
5614         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
5615         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
5616
5617 2010-09-08  Rafael Espindola  <espindola@google.com>
5618
5619         * Makefile.am (memory_test.stdout): Run readelf with -W.
5620         * Makefile.in: Regenerate.
5621         * testsuite/memory_test.sh: Make the regexps accept both 32 and
5622         64 bit output.
5623
5624 2010-09-08  Rafael Espindola  <espindola@google.com>
5625
5626         * script-sections.cc (Script_sections::add_memory_region): Convert
5627         field precision to int.
5628         * script.cc (script_set_section_region, script_set_section_region):
5629         Convert field precision to int.
5630
5631 2010-09-08  Rafael Espindola  <espindola@google.com>
5632
5633         * arm.cc (do_finalize_sections): Create the __exidx_start and
5634         __exdix_end symbols even when the section is missing.
5635
5636 2010-09-08  Nick Clifton  <nickc@redhat.com>
5637
5638         * README: Remove claim that MEMORY is not supported.
5639         * expression.cc (script_exp_function_origin)
5640         (script_exp_function_length): Move from here to ...
5641         * script.cc: ... here.
5642         (script_set_section_region, script_add_memory)
5643         (script_parse_memory_attr, script_include_directive): New
5644         functions.
5645         * script-sections.cc
5646         (class Memory_region): New class.
5647         (class Output_section_definition): Add set_memory_region,
5648         set_section_vma, set_section_lma and get_section_name methods.
5649         (class Script_Sections): Add add_memory_region,
5650         find_memory_region, find_memory_region_origin,
5651         find_memory_region_length and set_memory_region methods.
5652         Have set_section_addresses method walk the list of set memory
5653         regions.
5654         Extend the print methos to display memory regions.
5655         * script-sections.h: Add prototypes for new methods.
5656         Add enum for MEMORY region attributes.
5657         * yyscript.y: Add support for parsing MEMORY regions.
5658         * script-c.h: Add prototypes for new functions.
5659         * testsuite/Makefile.am: Add test of MEMORY region functionality.
5660         * testsuite/Makefile.in: Regenerate.
5661         * testsuite/memory_test.sh: New script.
5662         * testsuite/memory_test.s: New assembler source file.
5663         * testsuite/memory_test.t: New linker script.
5664
5665 2010-08-27  Doug Kwan  <dougkwan@google.com>
5666
5667         * gold/resolve.cc (Symbol_table::should_override): Let a weak
5668         reference override an existing dynamic weak reference.
5669         * testsuite/Makefile.am: Add new test dyn_weak_ref.
5670         * testsuite/Makefile.in: Regenerate.
5671         * testsuite/dyn_weak_ref.sh: New file.
5672         * testsuite/dyn_weak_ref_1.c: Ditto.
5673         * testsuite/dyn_weak_ref_2.c: Ditto.
5674
5675 2010-08-27  Ian Lance Taylor  <iant@google.com>
5676
5677         * incremental.h (class Incremental_input_entry): Add virtual
5678         destructor.
5679
5680 2010-08-27  Ian Lance Taylor  <iant@google.com>
5681
5682         * testsuite/start_lib_test_3.c: Mark t3 as used.
5683
5684 2010-08-27  Nick Clifton  <nickc@redhat.com>
5685
5686         * options.cc (version_script): Fix small typo in previous
5687         whitespace tidyup.
5688
5689 2010-08-25  Nick Clifton  <nickc@redhat.com>
5690
5691         * archive.cc: Formatting fixes: Remove whitespace between
5692         typename and following asterisk.  Remove whitespace between
5693         function name and opening parenthesis.
5694         * archive.h: Likewise.
5695         * arm.cc: Likewise.
5696         * attributes.cc: Likewise.
5697         * attributes.h: Likewise.
5698         * common.cc: Likewise.
5699         * copy-relocs.cc: Likewise.
5700         * dirsearch.h: Likewise.
5701         * dynobj.cc: Likewise.
5702         * ehframe.cc: Likewise.
5703         * ehframe.h: Likewise.
5704         * expression.cc: Likewise.
5705         * fileread.cc: Likewise.
5706         * fileread.h: Likewise.
5707         * gc.h: Likewise.
5708         * gold-threads.cc: Likewise.
5709         * gold.cc: Likewise.
5710         * i386.cc: Likewise.
5711         * icf.h: Likewise.
5712         * incremental-dump.cc: Likewise.
5713         * incremental.cc: Likewise.
5714         * layout.cc: Likewise.
5715         * layout.h: Likewise.
5716         * main.cc: Likewise.
5717         * merge.cc: Likewise.
5718         * merge.h: Likewise.
5719         * object.cc: Likewise.
5720         * object.h: Likewise.
5721         * options.cc: Likewise.
5722         * options.h: Likewise.
5723         * output.cc: Likewise.
5724         * output.h: Likewise.
5725         * plugin.cc: Likewise.
5726         * plugin.h: Likewise.
5727         * powerpc.cc: Likewise.
5728         * reloc.cc: Likewise.
5729         * script-c.h: Likewise.
5730         * script-sections.cc: Likewise.
5731         * script.cc: Likewise.
5732         * stringpool.cc: Likewise.
5733         * symtab.cc: Likewise.
5734         * symtab.h: Likewise.
5735         * target.cc: Likewise.
5736         * timer.cc: Likewise.
5737         * timer.h: Likewise.
5738         * version.cc: Likewise.
5739         * x86_64.cc: Likewise.
5740
5741 2010-08-24  Nick Clifton  <nickc@redhat.com>
5742
5743         PR 11899
5744         * layout.cc (segment_precedes): Sort segments by their physical
5745         addresses, if they have been set.
5746
5747 2010-08-23  Cary Coutant  <ccoutant@google.com>
5748
5749         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
5750         symbols data.
5751         (Lib_group::include_member): Unlock object after deleting its
5752         symbols data.
5753         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
5754         the bug fixed here.
5755
5756 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
5757             Cary Coutant  <ccoutant@google.com>
5758
5759         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
5760         constructor, and set_blocker.
5761         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
5762         readsyms_blocker_.
5763         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
5764         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
5765         * testsuite/Makefile.am (start_lib_test): New test case.
5766         * testsuite/Makefile.in: Regenerate.
5767         * testsuite/start_lib_test_main.c: New file.
5768         * testsuite/start_lib_test_1.c: New file.
5769         * testsuite/start_lib_test_2.c: New file.
5770         * testsuite/start_lib_test_3.c: New file.
5771
5772 2010-08-19  Ian Lance Taylor  <iant@google.com>
5773
5774         * Makefile.in: Rebuild with automake 1.11.1.
5775         * aclocal.m4: Likewise.
5776         * testsuite/Makefile.in: Likewise.
5777
5778 2010-08-19  Ian Lance Taylor  <iant@google.com>
5779
5780         PR 10893
5781         * i386.cc (class Output_data_plt_i386): Update declarations.
5782         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
5783         local_ifuncs_ fields.
5784         (Target_i386::do_plt_section_for_global): New function.
5785         (Target_i386::do_plt_section_for_local): New function.
5786         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
5787         parameter; change all callers.  Initialize global_ifuncs_ and
5788         local_ifuncs_.  If doing a static link define __rel_iplt_start and
5789         __rel_iplt_end.
5790         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
5791         (Output_data_plt_i386::add_local_ifunc_entry): New function.
5792         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
5793         symbols.
5794         (Target_i386::make_plt_section): New function, broken out of
5795         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
5796         (Target_i386::make_plt_entry): Call make_plt_section.
5797         (Target_i386::make_local_ifunc_plt_entry): New function.
5798         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
5799         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
5800         R_386_IRELATIVE to switch.
5801         (Target_i386::Scan::global): Likewise.
5802         (Target_i386::Relocate::relocate): Likewise.
5803         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
5804         switch.
5805         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
5806         (Target_x86_64::do_plt_section_for_global): New function.
5807         (Target_x86_64::do_plt_section_for_local): New function.
5808         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
5809         parameter; change all callers.  If doing a static link define
5810         __rela_iplt_start and __rela_iplt_end.
5811         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
5812         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
5813         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
5814         to point to .plt.
5815         (Target_x86_64::make_local_ifunc_plt_entry): New function.
5816         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
5817         switch.
5818         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
5819         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
5820         R_X86_64_IRELATIVE to switch.
5821         (Target_x86_64::Scan::global): Likewise.
5822         (Target_x86_64::Relocate::relocate): Likewise.
5823         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
5824         switch.
5825         * target.h (class Target): Add plt_section_for_global and
5826         plt_section_for_local functions.  Add do_plt_section_for_global
5827         and do_plt_section_for_local virtual functions.
5828         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
5829         clarifying comments.
5830         (Symbol::use_plt_offset): Handle IFUNC symbol.
5831         * object.cc (Sized_relobj::Sized_relobj): Initialize
5832         local_plt_offsets_.
5833         (Sized_relobj::local_has_plt_offset): New function.
5834         (Sized_relobj::local_plt_offset): New function.
5835         (Sized_relobj::set_local_plt_offset): New function.
5836         (Sized_relobj::do_count): Handle IFUNC symbol.
5837         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
5838         a bit away from input_shndx_ field.  Add set_is_func_symbol and
5839         is_ifunc_symbol functions.
5840         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
5841         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
5842         local_plt_offsets_ field.
5843         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
5844         * output.h (class Output_section_data): Add non-const
5845         output_section function.
5846         (class Output_data_got): Update declarations.
5847         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
5848         Add use_plt_offset parameter to global and local constructors.
5849         Change all callers.  Change local_sym_index_ field to 31 bits.
5850         Change GSYM_CODE and CONSTANT_CODE accordingly.
5851         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
5852         doing a static link don't set sh_link field.
5853         (Output_data_got::Got_entry::write): Use PLT offset if
5854         appropriate.
5855         (Output_data_got::add_global_plt): New function.
5856         (Output_data_got::add_local_plt): New function.
5857         * target-reloc.h (relocate_section): Handle IFUNC symbol.
5858         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
5859         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
5860         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
5861         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
5862         IFUNC conditional.
5863         * testsuite/ifunc-sel.h: New file.
5864         * testsuite/ifuncmain1.c: New file.
5865         * testsuite/ifuncmain1vis.c: New file.
5866         * testsuite/ifuncmod1.c: New file.
5867         * testsuite/ifuncdep2.c: New file.
5868         * testsuite/ifuncmain2.c: New file.
5869         * testsuite/ifuncmain3.c: New file.
5870         * testsuite/ifuncmod3.c: New file.
5871         * testsuite/ifuncmain4.c: New file.
5872         * testsuite/ifuncmain5.c: New file.
5873         * testsuite/ifuncmod5.c: New file.
5874         * testsuite/ifuncmain6pie.c: New file.
5875         * testsuite/ifuncmod6.c: New file.
5876         * testsuite/ifuncmain7.c: New file.
5877         * configure, testsuite/Makefile.in: Rebuild.
5878
5879 2010-08-18  Ian Lance Taylor  <iant@google.com>
5880
5881         * incremental.cc
5882         (Output_section_incremental_inputs::write_input_files): Add cast
5883         to avoid signed/unsigned comparison warning.
5884         (Output_section_incremental_inputs::write_info_blocks): Likewise.
5885
5886 2010-08-12  Cary Coutant  <ccoutant@google.com>
5887
5888         * common.cc (Sort_commons::operator()): Remove unnecessary code.
5889
5890 2010-08-13  Ian Lance Taylor  <iant@google.com>
5891
5892         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
5893
5894 2010-08-12  Cary Coutant  <ccoutant@google.com>
5895             Doug Kwan  <dougkwan@google.com>
5896
5897         * resolve.cc (Symbol_table::should_override): When a weak dynamic
5898         defintion overrides non-weak undef, remember that the original undef
5899         is not weak.
5900         * symtab.cc (Symbol_table::sized_write_global): For undef without
5901         an original weak binding, set binding to global in output.
5902         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
5903         * testsuite/Makefile.in: Regenerate.
5904         * testsuite/strong_ref_weak_def.sh: New file.
5905         * testsuite/strong_ref_weak_def_1.c: Ditto.
5906         * testsuite/strong_ref_weak_def_2.c: Ditto.
5907
5908 2010-08-12  Cary Coutant  <ccoutant@google.com>
5909
5910         * testsuite/incremental_test.sh: Rewrite.
5911         * testsuite/incremental_test_1.c: Rewrite.
5912         * testsuite/incremental_test_2.c: Rewrite.
5913
5914 2010-08-12  Cary Coutant  <ccoutant@google.com>
5915
5916         * arm.cc (Target_arm::got_size): Add const.
5917         (Target_arm::got_entry_count): New function.
5918         (Target_arm::plt_entry_count): New function.
5919         (Target_arm::first_plt_entry_offset): New function.
5920         (Target_arm::plt_entry_size): New function.
5921         (Output_data_plt_arm::entry_count): New function.
5922         (Output_data_plt_arm::first_plt_entry_offset): New function.
5923         (Output_data_plt_arm::get_plt_entry_size): New function.
5924         * i386.cc (Target_i386::got_size): Add const.
5925         (Target_i386::got_entry_count): New function.
5926         (Target_i386::plt_entry_count): New function.
5927         (Target_i386::first_plt_entry_offset): New function.
5928         (Target_i386::plt_entry_size): New function.
5929         (Output_data_plt_i386::entry_count): New function.
5930         (Output_data_plt_i386::first_plt_entry_offset): New function.
5931         (Output_data_plt_i386::get_plt_entry_size): New function.
5932         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
5933         find_incremental_inputs_sections.  Dump incremental_got_plt section.
5934         * incremental.cc: Include target.h.
5935         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
5936         parameter.  Adjust all callers.  Find incremental_got_plt section.
5937         (Incremental_inputs::create_data_sections): Create incremental_got_plt
5938         section.
5939         (Output_section_incremental_inputs::set_final_data_size): Calculate
5940         size of incremental_got_plt section.
5941         (Output_section_incremental_inputs::do_write): Write the
5942         incremental_got_plt section.
5943         (Got_plt_view_info): New struct.
5944         (Local_got_offset_visitor): New class.
5945         (Global_got_offset_visitor): New class.
5946         (Global_symbol_visitor_got_plt): New class.
5947         (Output_section_incremental_inputs::write_got_plt): New function.
5948         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
5949         Add parameter.  Adjust all callers.
5950         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5951         (Incremental_inputs::got_plt_section): New function.
5952         (Incremental_inputs::got_plt_section_): New data member.
5953         (Incremental_got_plt_reader): New class.
5954         * layout.cc (Layout::create_incremental_info_sections): Add the
5955         incremental_got_plt section.
5956         * object.h (Got_offset_list::get_list): New function.
5957         (Got offset_list::for_all_got_offsets): New function.
5958         (Sized_relobj::local_got_offset_list): New function.
5959         * powerpc.cc (Target_powerpc::got_size): Add const.
5960         (Target_powerpc::got_entry_count): New function.
5961         (Target_powerpc::plt_entry_count): New function.
5962         (Target_powerpc::first_plt_entry_offset): New function.
5963         (Target_powerpc::plt_entry_size): New function.
5964         (Output_data_plt_powerpc::entry_count): New function.
5965         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
5966         (Output_data_plt_powerpc::get_plt_entry_size): New function.
5967         * sparc.cc (Target_sparc::got_size): Add const.
5968         (Target_sparc::got_entry_count): New function.
5969         (Target_sparc::plt_entry_count): New function.
5970         (Target_sparc::first_plt_entry_offset): New function.
5971         (Target_sparc::plt_entry_size): New function.
5972         (Output_data_plt_sparc::entry_count): New function.
5973         (Output_data_plt_sparc::first_plt_entry_offset): New function.
5974         (Output_data_plt_sparc::get_plt_entry_size): New function.
5975         * symtab.h (Symbol::got_offset_list): New function.
5976         (Symbol_table::for_all_symbols): New function.
5977         * target.h (Sized_target::got_entry_count): New function.
5978         (Sized_target::plt_entry_count): New function.
5979         (Sized_target::plt_entry_size): New function.
5980         * x86_64.cc (Target_x86_64::got_size): Add const.
5981         (Target_x86_64::got_entry_count): New function.
5982         (Target_x86_64::plt_entry_count): New function.
5983         (Target_x86_64::first_plt_entry_offset): New function.
5984         (Target_x86_64::plt_entry_size): New function.
5985         (Output_data_plt_x86_64::entry_count): New function.
5986         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
5987         (Output_data_plt_x86_64::get_plt_entry_size): New function.
5988
5989 2010-08-12  Cary Coutant  <ccoutant@google.com>
5990
5991         * archive.cc: Include incremental.h.
5992         (Archive::Archive): Initialize incremental_info_.
5993         (Archive::include_member): Record archive members in incremental info.
5994         (Add_archive_symbols::run): Record begin and end of an archive in
5995         incremental info.
5996         (Lib_group::include_member): Record objects in incremental info.
5997         * archive.h (Incremental_archive_entry): Forward declaration.
5998         (Archive::set_incremental_info): New member function.
5999         (Archive::incremental_info): New member function.
6000         (Archive::Unused_symbol_iterator): New class.
6001         (Archive::unused_symbols_begin): New member function.
6002         (Archive::unused_symbols_end): New member function.
6003         (Archive::incremental_info_): New data member.
6004         * incremental-dump.cc (find_input_containing_global): New function.
6005         (dump_incremental_inputs): Dump new incremental info sections.
6006         * incremental.cc: Include symtab.h.
6007         (Output_section_incremental_inputs): New class.
6008         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
6009         new incremental info sections.
6010         (Sized_incremental_binary::do_check_inputs): Likewise.
6011         (Incremental_inputs::report_archive): Remove.
6012         (Incremental_inputs::report_archive_begin): New function.
6013         (Incremental_inputs::report_archive_end): New function.
6014         (Incremental_inputs::report_object): New function.
6015         (Incremental_inputs::finalize_inputs): Remove.
6016         (Incremental_inputs::report_input_section): New function.
6017         (Incremental_inputs::report_script): Rewrite.
6018         (Incremental_inputs::finalize): Do nothing but finalize string table.
6019         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
6020         (Incremental_inputs::sized_create_inputs_section_data): Remove.
6021         (Incremental_inputs::create_data_sections): New function.
6022         (Incremental_inputs::relocs_entsize): New function.
6023         (Output_section_incremental_inputs::set_final_data_size): New function.
6024         (Output_section_incremental_inputs::do_write): New function.
6025         (Output_section_incremental_inputs::write_header): New function.
6026         (Output_section_incremental_inputs::write_input_files): New function.
6027         (Output_section_incremental_inputs::write_info_blocks): New function.
6028         (Output_section_incremental_inputs::write_symtab): New function.
6029         * incremental.h (Incremental_script_entry): Forward declaration.
6030         (Incremental_object_entry): Forward declaration.
6031         (Incremental_archive_entry): Forward declaration.
6032         (Incremental_inputs): Forward declaration.
6033         (Incremental_inputs_header_data): Remove.
6034         (Incremental_inputs_header): Remove.
6035         (Incremental_inputs_header_write): Remove.
6036         (Incremental_inputs_entry_data): Remove.
6037         (Incremental_inputs_entry): Remove.
6038         (Incremental_inputs_entry_write): Remove.
6039         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
6040         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
6041         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
6042         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
6043         Likewise.
6044         (Incremental_input_entry): New class.
6045         (Incremental_script_entry): New class.
6046         (Incremental_object_entry): New class.
6047         (Incremental_archive_entry): New class.
6048         (Incremental_inputs::Incremental_inputs): Initialize new data members.
6049         (Incremental_inputs::report_inputs): Remove.
6050         (Incremental_inputs::report_archive): Remove.
6051         (Incremental_inputs::report_archive_begin): New function.
6052         (Incremental_inputs::report_archive_end): New function.
6053         (Incremental_inputs::report_object): Change prototype.
6054         (Incremental_inputs::report_input_section): New function.
6055         (Incremental_inputs::report_script): Change prototype.
6056         (Incremental_inputs::get_reloc_count): New function.
6057         (Incremental_inputs::set_reloc_count): New function.
6058         (Incremental_inputs::create_data_sections): New function.
6059         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
6060         (Incremental_inputs::inputs_section): New function.
6061         (Incremental_inputs::symtab_section): New function.
6062         (Incremental_inputs::relocs_section): New function.
6063         (Incremental_inputs::get_stringpool): Add const.
6064         (Incremental_inputs::command_line): Add const.
6065         (Incremental_inputs::inputs): Remove.
6066         (Incremental_inputs::command_line_key): New function.
6067         (Incremental_inputs::input_file_count): New function.
6068         (Incremental_inputs::input_files): New function.
6069         (Incremental_inputs::relocs_entsize): New function.
6070         (Incremental_inputs::sized_create_inputs_section_data): Remove.
6071         (Incremental_inputs::finalize_inputs): Remove.
6072         (Incremental_inputs::Input_info): Remove.
6073         (Incremental_inputs::lock_): Remove.
6074         (Incremental_inputs::inputs_): Change type.
6075         (Incremental_inputs::inputs_map_): Remove.
6076         (Incremental_inputs::current_object_entry_): New data member.
6077         (Incremental_inputs::inputs_section_): New data member.
6078         (Incremental_inputs::symtab_section_): New data member.
6079         (Incremental_inputs::relocs_section_): New data member.
6080         (Incremental_inputs::reloc_count_): New data member.
6081         (Incremental_inputs_reader): New class.
6082         (Incremental_symtab_reader): New class.
6083         (Incremental_relocs_reader): New class.
6084         * layout.cc (Layout::finalize): Move finalization of incremental info
6085         and creation of incremental info sections to follow finalization of
6086         symbol table.  Set offsets for postprocessing sections.
6087         (Layout::create_incremental_info_sections): Call
6088         Incremental_inputs::create_data_sections.  Add incremental symtab
6089         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
6090         sections to layout after input sections.
6091         * layout.h (struct Timespec): Forward declaration.
6092         (Layout::incremental_inputs): Add const.
6093         (Layout::create_incremental_info_sections): Add parameter.
6094         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
6095         * object.cc: Include incremental.h.
6096         (Relobj::finalize_incremental_relocs): New function.
6097         (Sized_relobj::do_layout): Record input sections in incremental info.
6098         * object.h (Object::output_section): New function.
6099         (Object::output_section_offset): Moved from Relobj.
6100         (Object::get_incremental_reloc_base): New function.
6101         (Object::get_incremental_reloc_count): New function.
6102         (Object::do_output_section): New function.
6103         (Object::do_output_section_offset): Moved from Relobj.
6104         (Object::do_get_incremental_reloc_base): New function.
6105         (Object::do_get_incremental_reloc_count): New function.
6106         (Object::Object): Initialize new data members.
6107         (Relobj::output_section): Renamed do_output_section and moved to
6108         protected.
6109         (Relobj::output_section_offset): Moved to Object.
6110         (Relobj::do_get_incremental_reloc_base): New function.
6111         (Relobj::do_get_incremental_reloc_count): New function.
6112         (Relobj::allocate_incremental_reloc_counts): New function.
6113         (Relobj::count_incremental_reloc): New function.
6114         (Relobj::finalize_incremental_relocs): New function.
6115         (Relobj::next_incremental_reloc_index): New function.
6116         (Relobj::reloc_counts_): New data member.
6117         (Relobj::reloc_bases_): New data member.
6118         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
6119         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
6120         (Sized_relobj::incremental_relocs_scan): New function.
6121         (Sized_relobj::incremental_relocs_scan_reltype): New function.
6122         (Sized_relobj::incremental_relocs_write): New function.
6123         (Sized_relobj::incremental_relocs_write_reltype): New function.
6124         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
6125         incremental link.
6126         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
6127         archives and object files elsewhere.
6128         (Add_symbols::run): Report object files here.
6129         (Finish_group::run): Report end of archive at end of group.
6130         * reloc.cc: Include layout.h, incremental.h.
6131         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
6132         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
6133         (Sized_relobj::incremental_relocs_scan): New function.
6134         (Sized_relobj::incremental_relocs_scan_reltype): New function.
6135         (Sized_relobj::do_relocate_sections): Write incremental relocations.
6136         (Sized_relobj::incremental_relocs_write): New function.
6137         (Sized_relobj::incremental_relocs_write_reltype): New function.
6138         * script.cc (read_input_script): Rewrite test for incremental link.
6139         Change call to Incremental_inputs::report_script.
6140         * symtab.h (Symbol_table::first_global_index): New function.
6141         (Symbol_table::output_count): New function.
6142
6143 2010-08-12  Doug Kwan  <dougkwan@google.com>
6144
6145         * arm.cc (Target_arm::merge_object_attributes): Check command line
6146         options --no-wchar-size-warning and --no-enum-size-warning.
6147         * options.h (General_options): Add ld-compatible options
6148         --no-enum-size-warning and --no-wchar-size-warning.
6149
6150 2010-08-04  Ian Lance Taylor  <iant@google.com>
6151
6152         * x86_64.cc (Target_x86_64::Scan::local): Use
6153         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
6154         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
6155         (Target_x86_64::Scan::global): Likewise.
6156         (Target_x86_64::Relocate::relocate): Likewise.
6157         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
6158         Likewise.
6159
6160 2010-08-03  Cary Coutant  <ccoutant@google.com>
6161
6162         * merge.cc (Output_merge_string::do_add_input_section): Count strings
6163         to reserve space in merged_strings vector. Keep total input size
6164         for stats.
6165         (Output_merge_string::do_print_merge_stats): Print total input size.
6166         * merge.h (Output_merge_string): Add input_size_ field.
6167         * stringpool.cc (Stringpool_template::string_length): Move
6168         implementations out of Stringpool_template class and place in
6169         stringpool.h.
6170         * stringpool.h (string_length): Move out of Stringpool_template.
6171
6172 2010-08-03  Ian Lance Taylor  <iant@google.com>
6173
6174         PR 11712
6175         * layout.cc (relaxation_loop_body): If address of load segment is
6176         set, adjust address to include headers if possible.
6177
6178 2010-08-03  Ian Lance Taylor  <iant@google.com>
6179
6180         * version.cc (version_string): Bump to 1.10.
6181
6182 2010-08-03  Ian Lance Taylor  <iant@google.com>
6183
6184         PR 11805
6185         * layout.h (enum Output_section_order): Define.
6186         (class Layout): Update declarations.
6187         * layout.cc (Layout::get_output_section): Add order parameter.
6188         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
6189         is_first_non_relro parameters.  Change all callers.
6190         (Layout::choose_output_section): Likewise.
6191         (Layout::add_output_section_data): Likewise.
6192         (Layout::make_output_section): Likewise.  Set order.
6193         (Layout::default_section_order): New function.
6194         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
6195         * output.cc (Output_section::Output_section): Initialize order_.
6196         Don't initialize deleted fields.
6197         (Output_segment::Output_segment): Don't initialize deleted
6198         fields.
6199         (Output_segment::add_output_section_to_load): New function
6200         replacing add_output_section.  Change all callers to call this or
6201         add_output_section_to_nonload.
6202         (Output_segment::add_output_section_to_nonload): New function.
6203         (Output_segment::remove_output_section): Rewrite.
6204         (Output_segment::add_initial_output_data): Likewise.
6205         (Output_segment::has_any_data_sections): Likewise.
6206         (Output_segment::is_first_section_relro): Likewise.
6207         (Output_segment::maximum_alignment): Likewise.
6208         (Output_segment::has_dynamic_reloc): New function replacing
6209         dynamic_reloc_count.  Change all callers.
6210         (Output_segment::has_dynamic_reloc_list): New function replacing
6211         dynamic_reloc_count_list.  Change all callers.
6212         (Output_segment::set_section_addresses): Rewrite.
6213         (Output_segment::set_offset): Rewrite.
6214         (Output_segment::find_first_and_last_list): Remove.
6215         (Output_segment::set_tls_offsets): Rewrite.
6216         (Output_segment::first_section_load_address): Likewise.
6217         (Output_segment::output_section_count): Likewise.
6218         (Output_segment::section_with_lowest_load_address): Likewise.
6219         (Output_segment::write_section_headers): Likewise.
6220         (Output_segment::print_sections_to_map): Likewise.
6221         * output.h (class Output_data): Remove dynamic_reloc_count_
6222         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
6223         (Output_data::add_dynamic_reloc): Rewrite.
6224         (Output_data::has_dynamic_reloc): New function.
6225         (Output_data::dynamic_reloc_count): Remove.
6226         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
6227         is_last_relro_, is_first_non_relro_, is_interp_,
6228         is_dynamic_linker_section_ fields.  Add order and set_order
6229         functions.  Remove is_relro_local, set_is_relro_local,
6230         is_last_relro, set_is_last_relro, is_first_non_relro,
6231         set_is_first_non_relro functions, is_interp, set_is_interp,
6232         is_dynamic_linker_section, and set_is_dynamic_linker_section
6233         functions.
6234         (class Output_segment): Change Output_data_list from std::list to
6235         std:;vector.  Add output_lists_ field.  Remove output_data_ and
6236         output_bss_ fields.  Update declarations.
6237
6238 2010-08-02  Ian Lance Taylor  <iant@google.com>
6239
6240         * arm.cc (Target_arm::gc_process_relocs): Use typename.
6241         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
6242         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
6243
6244 2010-08-02  Ian Lance Taylor  <iant@google.com>
6245
6246         PR 11855
6247         * script.cc (Script_options::Script_options): Initialize
6248         symbol_definitions_ and symbol_references_.
6249         (Script_options::add_symbol_assignment): Update
6250         symbol_definitions_ and symbol_references_.
6251         (Script_options::add_symbol_reference): New function.
6252         (script_symbol): New function.
6253         * script.h (class Script_options): Add symbol_definitions_ and
6254         symbol_references_ fields.
6255         (Script_options::referenced_const_iterator): New type.
6256         (Script_options::referenced_begin): New function.
6257         (Script_options::referenced_end): New function.
6258         (Script_options::is_referenced): New function.
6259         (Script_options::any_unreferenced): New function.
6260         * script-c.h (script_symbol): Declare.
6261         * yyscript.y (exp): Call script_symbol.
6262         * symtab.cc: Include "script.h".
6263         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
6264         Change all callers.  Check symbols referenced by scripts.
6265         (Symbol_table::add_undefined_symbols_from_command_line): Add
6266         layout parameter.  Change all callers.
6267         (Symbol_table::do_add_undefined_symbols_from_command_line):
6268         Likewise.  Break out loop body.  Check symbols referenced by
6269         scripts.
6270         (Symbol_table::add_undefined_symbol_from_command_line): New
6271         function broken out of
6272         do_add_undefined_symbols_from_command_line.
6273         * symtab.h (class Symbol_table): Update declarations.
6274         * archive.cc: Include "layout.h".
6275         (Archive::should_include_member): Add layout parameter.  Change
6276         all callers.  Check for symbol mentioned in expression.
6277         * archive.h (class Archive): Update declaration.
6278         * object.cc (Sized_relobj::do_should_include_member): Add layout
6279         parameter.
6280         * object.h (Object::should_include_member): Add layout parameter.
6281         Change all callers.
6282         (Object::do_should_include_member): Add layout parameter.
6283         (class Sized_relobj): Update declaration.
6284         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
6285         parameter.
6286         * dynobj.h (class Sized_dynobj): Update declaration.
6287         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
6288         layout parameter.
6289         * plugin.h (class Sized_pluginobj): Update declaration.
6290
6291 2010-08-02  Ian Lance Taylor  <iant@google.com>
6292
6293         PR 11866
6294         * output.cc (Output_segment::set_offset): Search for the first and
6295         last sections rather than assuming that the list is in order.
6296         (Output_segment::find_first_and_last_list): New function.
6297         * output.h (class Output_segment): Update declarations.
6298         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
6299         (relro_strip_test_SOURCES): New variable.
6300         (relro_strip_test_DEPENDENCIES): New variable.
6301         (relro_strip_test_LDFLAGS): New variable.
6302         (relro_strip_test_LDADD): New variable.
6303         (relro_strip_test.so): New target.
6304
6305 2010-08-02  Ian Lance Taylor  <iant@google.com>
6306
6307         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
6308         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
6309         (Target_i386::got_tlsdesc_section): New function.
6310         (Target_i386::got_section): Create space for GOT entries for
6311         TLSDESC relocations.
6312         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
6313         R_386_TLS_GOTDESC.
6314         (Target_i386::Scan::global): Likewise.
6315         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
6316         using TLSDESC GOT.
6317         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
6318         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
6319         (Target_x86_64::got_tlsdesc_section): New function.
6320         (Target_x86_64::got_section): Create space for GOT entries for
6321         TLSDESC relocations.
6322         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
6323         R_386_TLS_GOTDESC.
6324         (Target_x86_64::Scan::global): Likewise.
6325         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
6326         using TLSDESC GOT.
6327
6328 2010-08-02  Ian Lance Taylor  <iant@google.com>
6329
6330         * testsuite/final_layout.sh: Use dc to convert from hex to
6331         decimal.
6332
6333 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
6334
6335         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
6336         paramter to the call to gold::gc_process_relocs.
6337         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
6338         paramter to the call to gold::gc_process_relocs.
6339         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
6340         parameter to the call to gold::gc_process_relocs.
6341         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
6342         template parameter to the call to gold::gc_process_relocs.
6343         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
6344         paramter to the call to gold::gc_process_relocs.
6345         * gc.h (get_embedded_addend_size): New function.
6346         (gc_process_relocs): Save the size of the reloc for use by ICF.
6347         * icf.cc (get_section_contents): Get the addend from the text section
6348         for SHT_REL relocation sections.
6349         * icf.h (Icf::Reloc_addend_size_info): New typedef.
6350         (Icf::Reloc_info): Add new member reloc_addend_size_info.
6351         * int_encoding.h (read_from_pointer): New overloaded function.
6352         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
6353         * testsuite/icf_sht_rel_addend_test.sh: New file.
6354         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
6355         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
6356
6357 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6358
6359         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
6360         * Makefile.in: Regenerate.
6361         * testsuite/Makefile.in: Regenerate.
6362
6363 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
6364
6365         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
6366         * gold/testsuite/debug_msg.cc: Likewise.
6367         * gold/testsuite/odr_violation1.cc
6368         * gold/testsuite/odr_violation2.cc
6369
6370 2010-07-21  Cary Coutant  <ccoutant@google.com>
6371
6372         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
6373         string, and length fields.
6374         (Output_merge_string::Merged_strings_list): New type.
6375         (Output_merge_string::Merged_strings_lists): New typedef.
6376         (Output_merge_string): Replace merged_strings_ with
6377         merged_strings_lists_.
6378         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
6379         Merged_strings_list per input object and section.  Don't store pointer
6380         to the string.  Don't store length with each merged string entry.
6381         (Output_merge_string::finalize_merged_data): Loop over list of merged
6382         strings lists.  Recompute length of each merged string.
6383
6384 2010-07-15  Cary Coutant  <ccoutant@google.com>
6385
6386         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
6387         here.
6388
6389 2010-07-14  Ian Lance Taylor  <iant@google.com>
6390
6391         * descriptors.cc (Descriptors::open): Report correct name in error
6392         message.
6393
6394 2010-07-13  Doug Kwan  <dougkwan@google.com>
6395
6396         * arm.cc (Arm_input_section::Arm_input_section): For a
6397         SHT_ARM_EXIDX section, always keeps the input sections.
6398         (Arm_input_section::set_exidx_section_link): New method.
6399         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
6400         has_errors_ to false.
6401         (Arm_exidx_input_section::has_errors,
6402         Arm_exidx_input_section::set_has_errors): New methods.
6403         (Arm_exidx_input_section::has_errors_): New data member.
6404         (Arm_relobj::get_exidx_shndx_list): New method.
6405         (Arm_output_section::append_text_sections_to_list): Do not skip
6406         section without SHF_EXECINSTR.
6407         (Arm_output_section::fix_exidx_coverage): Skip input sections with
6408         errors.
6409         (Arm_relobj::make_exidx_input_section): Add new parameter for text
6410         section header.  Make error messages more verbose.  Check for
6411         a non-executable section linked to an EXIDX section.
6412         (Arm_relobj::do_read_symbols): Remove error checking, which has been
6413         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
6414         check that there is no deferred EXIDX section if we exit early.
6415         Instead of not making an EXIDX section in case of an error, make one
6416         and set the has_errors flag of it.
6417         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
6418         in a relocatable link.
6419         (Target_arm::do_relax): Look for the EXIDX output section instead of
6420         assuming that it is called .ARM.exidx.
6421         (Target_arm::fix_exidx_coverage): Add a new parameter for input
6422         section list.  Do not check for SHF_EXECINSTR section flags but
6423         skip any input section with errors.
6424         * output.cc (Output_section::Output_section): Initialize
6425         always_keeps_input_sections_ to false.
6426         (Output_section::add_input_section): Check for
6427         always_keeps_input_sections_.
6428         *  output.h (Output_section::always_keeps_input_sections,
6429         Output_section::set_always_keeps_input_sections): New methods.
6430         (Output_section::always_keeps_input_sections): New data member.
6431
6432 2010-07-13  Rafael Espindola  <espindola@google.com>
6433
6434         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
6435         * fileread.h (Input_file): Add try_extra_search_path and find_file.
6436
6437 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
6438             Ian Lance Taylor  <iant@google.com>
6439
6440         * output.h (Output_section_lookup_maps::add_merge_section):
6441         Correct check of whether value was inserted.
6442         (Output_section_lookup_maps::add_merge_input_section): Likewise.
6443         (Output_section_lookup_maps::add_relaxed_input_section):
6444         Likewise.
6445         * arm.cc (Target_arm::got_section): Remove used local os.
6446         * i386.cc (Target_i386::got_section): Likewise.
6447         * x86_64.cc (Target_x86_64::got_section): Likewise.
6448         * sparc.cc (Target_sparc::got_section): Likewise.
6449         (Target_sparc::relocate): Remove unused local have_got_offset.
6450         * powerpc.cc (Target_powerpc::relocate): Likewise.
6451
6452 2010-07-13  Ian Lance Taylor  <iant@google.com>
6453
6454         * compressed_output.cc (zlib_decompress): Fix signature in
6455         !HAVE_ZLIB_H case.
6456
6457         * archive.cc (Archive::include_member): Unlock an external member
6458         of a thin archive.  Don't bother to delete an object we know is
6459         NULL.
6460
6461 2010-07-12  Cary Coutant  <ccoutant@google.com>
6462
6463         * compressed_output.cc (zlib_decompress): New function.
6464         (get_uncompressed_size): New function.
6465         (decompress_input_section): New function.
6466         * compressed_output.h (get_uncompressed_size): New function.
6467         (decompress_input_section): New function.
6468         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
6469         Handle compressed debug sections.
6470         * layout.cc (is_compressed_debug_section): New function.
6471         (Layout::output_section_name): Map compressed section names to
6472         canonical names.
6473         * layout.h (is_compressed_debug_section): New function.
6474         (is_debug_info_section): Recognize compressed debug sections.
6475         * merge.cc: Include compressed_output.h.
6476         (Output_merge_data::do_add_input_section): Handle compressed
6477         debug sections.
6478         (Output_merge_string::do_add_input_section): Handle compressed
6479         debug sections.
6480         * object.cc: Include compressed_output.h.
6481         (Sized_relobj::Sized_relobj): Initialize new data members.
6482         (build_compressed_section_map): New function.
6483         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
6484         * object.h (Object::section_is_compressed): New method.
6485         (Object::do_section_is_compressed): New method.
6486         (Sized_relobj::Compressed_section_map): New type.
6487         (Sized_relobj::do_section_is_compressed): New method.
6488         (Sized_relobj::compressed_sections_): New data member.
6489         * output.cc (Output_section::add_input_section): Handle compressed
6490         debug sections.
6491         * reloc.cc: Include compressed_output.h.
6492         (Sized_relobj::write_sections): Handle compressed debug sections.
6493
6494 2010-07-08  Cary Coutant  <ccoutant@google.com>
6495
6496         * resolve.cc (Symbol_table::resolve): Remember whether undef was
6497         weak when resolving to a dynamic def.
6498         (Symbol_table::should_override): Add adjust_dyndef flag; set it
6499         for weak undef/dynamic def cases. Adjust callers.
6500         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
6501         undef_binding_weak_.
6502         (Symbol_table::sized_write_globals): Adjust symbol binding.
6503         (Symbol_table::sized_write_symbol): Add binding parameter.
6504         * symtab.h (Symbol::set_undef_binding): New method.
6505         (Symbol::is_undef_binding_weak): New method.
6506         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
6507         (Symbol_table::should_override): Add new parameter.
6508         (Symbol_table::sized_write_symbol): Add new parameter.
6509
6510         * testsuite/weak_undef_file1.cc: Add new test case.
6511         * testsuite/weak_undef_file2.cc: Fix header comment.
6512         * testsuite/weak_undef_test.cc: Add new test case.
6513
6514 2010-06-29  Doug Kwan  <dougkwan@google.com>
6515
6516         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
6517         Initialize USE_SYMBOL_.
6518         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
6519         definition.
6520         (Arm_reloc_property::uses_symbol_): New data member declaration.
6521         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
6522         uses symbol value and symbol is undefined but not weakly undefined.
6523
6524 2010-06-28  Rafael Espindola  <espindola@google.com>
6525
6526         * plugin.cc (Plugin::load): Use dlerror.
6527
6528 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
6529
6530         * symtab.cc (detect_odr_violations): When reporting an ODR
6531         violation, report an object where the symbol is defined.
6532
6533 2010-06-25  Doug Kwan  <dougkwan@google.com>
6534
6535         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
6536         (Target_arm::section_may_have_icf_unsafe_pointers): New method
6537         definition.
6538         (Target_arm::Scan::local_reloc_may_be_function_pointer,
6539         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
6540         target hook to detect function points.
6541         (Target_arm::Scan::possible_function_pointer_reloc): New method.
6542         * icf.h (Icf::check_section_for_function_pointers): Change type of
6543         parameter SECTION_NAME to const reference to std::string.  Use
6544         target hook to determine if section may have unsafe pointers.
6545         * target.h (Target::section_may_have_icf_unsafe_pointers): New
6546         method definition.
6547
6548 2010-06-21  Rafael Espindola  <espindola@google.com>
6549
6550         * fileread.cc (Input_file::find_fie): New
6551         (Input_file::open): Use Input_file::find_fie.
6552         * fileread.h (Input_file::find_fie): New
6553         * plugin.cc (set_extra_library_path): New.
6554         (Plugin::load): Add set_extra_library_path to the transfer vector.
6555         (Plugin_manager::set_extra_library_path): New.
6556         (Plugin_manager::add_input_file): Use the extra search path if set.
6557         (set_extra_library_path(): New.
6558         * plugin.h (Plugin_manager): Add set_extra_library_path and
6559         extra_search_path_.
6560
6561 2010-06-19  Cary Coutant  <ccoutant@google.com>
6562
6563         * layout.cc (gdb_sections): Add .debug_types.
6564         (lines_only_debug_sections): Likewise.
6565
6566 2010-06-18  Rafael Espindola  <espindola@google.com>
6567
6568         * plugin.cc (add_input_file,add_input_library)
6569         (Plugin_manager::add_input_file): Make filename arguments const.
6570         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
6571         const.
6572
6573 2010-06-16  Doug Kwan  <dougkwan@google.com>
6574
6575         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
6576         .ARM.attributes section if we have not merged any input
6577         attributes sections.
6578
6579 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6580
6581         * arm.cc: Allow combining objects with no EABI version
6582         information.
6583
6584 2010-06-15  Rafael Espindola  <espindola@google.com>
6585
6586         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
6587
6588 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6589
6590         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
6591         (struct iovec): Correct !HAVE_READV definition.
6592
6593 2010-06-10  Cary Coutant  <ccoutant@google.com>
6594
6595         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
6596         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
6597         reloc sections.
6598         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
6599
6600         PR 11683
6601         * symtab.h (Symbol::is_placeholder): New member function.
6602         * target-reloc.h (relocate_section): Check for placeholder symbols.
6603
6604         * testsuite/Makefile.am (plugin_test_8): New test.
6605         (plugin_test_9): New test.
6606         * testsuite/Makefile.in: Regenerate.
6607
6608 2010-06-09  Nick Clifton  <nickc@redhat.com>
6609
6610         * yyscript.y (input_list_element): Allow strings prefixed with
6611         the '-' character.  Treat these as libraries.
6612         * script.cc (script_add_library): New function.  Adds a library
6613         specified by "-l<name>" found in an input script.
6614         * script-c.h: Add prototype for script_add_library.
6615
6616 2010-06-07  Doug Kwan  <dougkwan@google.com>
6617
6618         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
6619         Restrict stub-group size to be within long conditional branch
6620         range when working around cortex-A8 erratum.
6621
6622 2010-06-07  Damien Diederen  <dd@crosstwine.com>
6623
6624         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
6625         #ifdef typo.
6626
6627 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
6628
6629         PR gold/11658
6630         * output.cc
6631         (Output_section::Input_section_sort_entry::compare_section_ordering):
6632         Change to return non-zero correctly.
6633         (Output_section::Input_section_sort_section_order_index_compare
6634         ::operator()): Change to fix ambiguity in comparisons.
6635
6636 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
6637
6638         * gold.h (is_wildcard_string): New function.
6639         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
6640         (Layout::layout_eh_frame): Ditto.
6641         (Layout::find_section_order_index): New method.
6642         (Layout::read_layout_from_file): New method.
6643         * layout.h (Layout::find_section_order_index): New method.
6644         (Layout::read_layout_from_file): New method.
6645         (Layout::input_section_position_): New private member.
6646         (Layout::input_section_glob_): New private member.
6647         * main.cc (main): Call read_layout_from_file here.
6648         * options.h (--section-ordering-file): New option.
6649         * output.cc (Output_section::input_section_order_specified_): New
6650         member.
6651         (Output_section::Output_section): Initialize new member.
6652         (Output_section::add_input_section): Add new parameter.
6653         Keep input sections when --section-ordering-file is used.
6654         (Output_section::set_final_data_size): Sort input sections when
6655         section ordering file is specified.
6656         (Output_section::Input_section_sort_entry): Add new parameter.
6657         Check sorting type.
6658         (Output_section::Input_section_sort_entry::compare_section_ordering):
6659         New method.
6660         (Output_section::Input_section_sort_compare::operator()): Change to
6661         consider section_order_index.
6662         (Output_section::Input_section_sort_init_fini_compare::operator()):
6663         Change to consider section_order_index.
6664         (Output_section::Input_section_sort_section_order_index_compare
6665         ::operator()): New method.
6666         (Output_section::sort_attached_input_sections): Change to sort
6667         according to section order when specified.
6668         (Output_section::add_input_section<32, true>): Add new parameter.
6669         (Output_section::add_input_section<64, true>): Add new parameter.
6670         (Output_section::add_input_section<32, false>): Add new parameter.
6671         (Output_section::add_input_section<64, false>): Add new parameter.
6672         * output.h (Output_section::add_input_section): Add new parameter.
6673         (Output_section::input_section_order_specified): New
6674         method.
6675         (Output_section::set_input_section_order_specified): New method.
6676         (Input_section::Input_section): Initialize section_order_index_.
6677         (Input_section::section_order_index): New method.
6678         (Input_section::set_section_order_index): New method.
6679         (Input_section::section_order_index_): New member.
6680         (Input_section::Input_section_sort_section_order_index_compare): New
6681         struct.
6682         (Output_section::input_section_order_specified_): New member.
6683         * script-sections.cc (is_wildcard_string): Delete and move modified
6684         method to gold.h.
6685         (Output_section_element_input::Output_section_element_input): Modify
6686         call to is_wildcard_string.
6687         (Output_section_element_input::Input_section_pattern
6688         ::Input_section_pattern): Ditto.
6689         (Output_section_element_input::Output_section_element_input): Ditto.
6690         * testsuite/Makefile.am (final_layout): New test case.
6691         * testsuite/Makefile.in: Regenerate.
6692         * testsuite/final_layout.cc: New file.
6693         * testsuite/final_layout.sh: New file.
6694
6695 2010-06-01  Rafael Espindola  <espindola@google.com>
6696
6697         * plugin.cc (Plugin::load): Pass the output name to the plugin.
6698
6699 2010-06-01  Rafael Espindola  <espindola@google.com>
6700
6701         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
6702         visibility of symbols.
6703
6704 2010-05-27  Doug Kwan  <dougkwan@google.com>
6705
6706         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
6707         from start of output section instead of address for a local symbol
6708         in a merged or relaxed section when doing a relocatable link.
6709
6710 2010-05-26  Rafael Espindola  <espindola@google.com>
6711
6712         PR 11604
6713         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
6714         adding sections the garbage collector removed.
6715         * gold/testsuite/Makefile.am: Add test.
6716         * gold/testsuite/Makefile.in: Regenerate.
6717         * gold/testsuite/plugin_test_7.sh: New.
6718         * gold/testsuite/plugin_test_7_1.c: New.
6719         * gold/testsuite/plugin_test_7_2.c: New.
6720
6721 2010-05-26  Rafael Espindola  <espindola@google.com>
6722
6723         * script-sections.cc (Output_section_definition::set_section_addresses):
6724         Check for --section-start.
6725
6726 2010-05-26  Doug Kwan  <dougkwan@google.com>
6727
6728         * arm.cc (Arm_scan_relocatable_relocs): New class.
6729         (Target_arm::relocate_special_relocatable): New method.
6730         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
6731         (Arm_relocate_functions::thumb_branch_common): Same.
6732         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
6733         instead of Default_scan_relocatable_relocs.
6734         * target-reloc.h (relocate_for_relocatable): Let target handle
6735         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
6736         * target.h (Sized_target::relocate_special_relocatable): New method.
6737
6738 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6739
6740         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
6741
6742 2010-05-23  Doug Kwan  <dougkwan@google.com>
6743
6744         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
6745         instead of a cast.
6746         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
6747         with a direct branch, not a conditional branch, to a stub.
6748         * merge.cc (Output_merge_base::record_input_section): New method
6749         defintion.
6750         (Output_merge_data::do_add_input_section): Record input section if
6751         keeps-input-sections flag is set.
6752         (Output_merge_string::do_add_input_section): Ditto.
6753         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
6754         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
6755         INPUT_SECTIONS_.
6756         (Output_merge_base::keeps_input_sections,
6757         Output_merge_base::set_keeps_input_sections,
6758         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
6759         method definitions.
6760         (Output_merge_base::Input_sections): New type declaration.
6761         (Output_merge_base::input_sections_begin,
6762         Output_merge_base::input_sections_end,
6763         Output_merge_base::do_set_keeps_input_sections): New method definitions.
6764         (Output_merge_base::bool keeps_input_sections_,
6765         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
6766         Output_merge_base::input_sections_): New data members.
6767         (Output_merge_data::do_set_keeps_input_sections): New method
6768         defintion.
6769         (Output_merge_string::do_set_keeps_input_sections): Ditto.
6770         * output.cc (Output_section::Input_section::relobj): Move method
6771         defintion from class declaration to here and handle merge sections.
6772         (Output_section::Input_section::shndx): Ditto.
6773         (Output_section::Output_section): Remove initializations of removed
6774         data members and initialize new data member LOOKUP_MAPS_.
6775         (Output_section::add_input_section): Set keeps-input-sections flag
6776         for a newly created merge output section as appropriate.  Adjust code
6777         to use Output_section_lookup_maps class.
6778         (Output_section::add_relaxed_input_section): Adjst code for lookup
6779         maps code refactoring.
6780         (Output_section::add_merge_input_section): Add a new parameter
6781         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
6782         class.  If adding input section to a newly created merge output
6783         section fails, remove the new merge section.
6784         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
6785         Adjust code for use of the Output_section_lookup_maps class.
6786         (Output_section::find_merge_section): Ditto.
6787         (Output_section::build_lookup_maps): New method defintion.
6788         (Output_section::find_relaxed_input_section): Adjust code to use
6789         Output_section_lookup_maps class.
6790         (Output_section::get_input_sections): Export merge sections.  Adjust
6791         code to use Output_section_lookup_maps class.
6792         (Output_section:::add_script_input_section): Adjust code to use
6793         Output_section_lookup_maps class.  Update lookup maps for merge
6794         sections also.
6795         (Output_section::discard_states): Use Output_section_lookup_maps.
6796         (Output_section::restore_states): Same.
6797         * output.h (Merge_section_properties): Move class defintion out of
6798         Output_section.
6799         (Output_section_lookup_maps): New class.
6800         (Output_section::Input_section::is_merge_section): New method
6801         defintion.
6802         (Output_section::Input_section::relobj): Move defintion out of class
6803         defintion.  Declare method only.
6804         (Output_section::Input_section::shndx): Ditto.
6805         (Output_section::Input_section::output_merge_base): New method defintion.
6806         (Output_section::Input_section::u2_.pomb): New union field.
6807         (Output_section::Merge_section_by_properties_map,
6808         Output_section::Output_section_data_by_input_section_map,
6809         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
6810         Remove types.
6811         (Output_section::add_merge_input_section): Add new parameter
6812         KEEPS_INPUT_SECTIONS.
6813         (Output_section::build_lookup_maps): New method declaration.
6814         (Output_section::merge_section_map_,
6815         Output_section::merge_section_by_properties_map_,
6816         Output_section::relaxed_input_section_map_,
6817         Output_section::is_relaxed_input_section_map_valid_): Remove data
6818         members.
6819         (Output_section::lookup_maps_): New data member.
6820
6821 2010-05-21  Doug Kwan  <dougkwan@google.com>
6822
6823         PR gold/11619
6824         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
6825         avoid a compilation error.
6826
6827 2010-05-19  Rafael Espindola  <espindola@google.com>
6828
6829         * script-sections.cc (Output_section_definition::allocate_to_segment):
6830         Update the phdrs_list even when the output section is NULL.
6831         * testsuite/Makefile.am: Add test.
6832         * testsuite/Makefile.in: Regenerate.
6833         * testsuite/script_test_9.cc: New.
6834         * testsuite/script_test_9.sh: New.
6835         * testsuite/script_test_9.t: New.
6836
6837 2010-05-19  Doug Kwan  <dougkwan@google.com>
6838
6839         * arm.cc (Arm_input_section::original_size): New method.
6840         (Arm_input_section::do_addralign): Add a cast.
6841         (Arm_input_section::do_output_offset): Remove static cast.
6842         (Arm_input_section::original_addralign,
6843          Arm_input_section::original_size_): Change type to uint32_t.
6844         (Arm_input_section::init): Add safe casts for section alignment
6845         and size.
6846         (Arm_input_section::set_final_data_size): Do not set address and
6847         offset of stub table.
6848         (Arm_output_section::fix_exidx_coverage): Change use of of
6849         Output_section::Simple_input_section to that of
6850         Output_section::Input_section.
6851         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
6852         except for the first pass.
6853         * output.cc (Output_section::get_input_sections): Change type of
6854         input_sections to std::list<Input_section>.
6855         (Output_section::add_script_input_section): Rename from
6856         Output_section::add_simple_input_section.  Change type of SIS
6857         parameter from Simple_input_section to Input_section.
6858         * output.h (Output_section::Simple_input_section): Remove class.
6859         (Output_section::Input_section): Change class visibility to public.
6860         (Output_section::Input_section::addralign): Use stored alignments
6861         for special input sections if set.
6862         (Output_section::Input_section::set_addralign): New method.
6863         (Output_section::get_input_sections): Change parameter type from
6864         list of Simple_input_section to list of Input_section.
6865         (Output_section::add_script_input_section): Rename from
6866         Output_section::add_simple_input_section. Change first parameter's
6867         type from Simple_input_section to Input_section and remove the
6868         second and third parameters.
6869         * script-sections.cc (Input_section::Input_section_list): Change
6870         type to list of Output_section::Input_section/
6871         (Input_section_info::Input_section_info): Change parameter type of
6872         INPUT_SECTION to Output_section::Input_section.
6873         (Input_section_info::input_section): Change return type.
6874         (Input_section_info::input_section_): Change type to
6875         Output_section::Input_section.
6876         (Output_section_element_input::set_section_addresses): Adjust code
6877         to use Output_section::Input_section instead of
6878         Output_section::Simple_input_section.  Adjust code for renaming
6879         of Output_section::add_simple_input_section.
6880         (Orphan_output_section::set_section_addresses): Ditto.
6881
6882 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6883
6884         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
6885         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
6886
6887 2010-05-18  Rafael Espindola  <espindola@google.com>
6888
6889         * options.cc (General_options::finalize): Handle -nostdlib.
6890         * options.h (nostdlib): New option.
6891         * script.cc (script_add_search_dir): Handle -nostdlib.
6892
6893 2010-05-12  Doug Kwan  <dougkwan@google.com>
6894
6895         * arm.cc (Target_arm::do_finalize_sections): Create an empty
6896         attributes section only if there no attributes section after merging.
6897         (Target_arm::merge_object_attributes): Move value of
6898         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
6899         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
6900         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
6901         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
6902         and arm_attr_merge_7.stdout.
6903         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
6904         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
6905         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
6906         arm_attr_merge_7b.o): New rules.
6907         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
6908         arm_attr_merge_7
6909         * testsuite/Makefile.in: Regenerate.
6910         * testsuite/arm_attr_merge.sh: New file.
6911         * testsuite/arm_attr_merge_[67][ab].s: Same.
6912
6913 2010-05-05  Nick Clifton  <nickc@redhat.com>
6914
6915         * po/es.po: Updated Spanish translation.
6916
6917 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6918
6919         * Makefile.am (install-exec-local): Properly install gold as
6920         default cross linker.
6921         * Makefile.in: Regenerated.
6922
6923 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6924             Nick Clifton  <nickc@redhat.com>
6925
6926         * configure.ac (install_as_default): Define and set to false
6927         unless --enable-gold or --enable-gold=both/gold has been
6928         specified.
6929         * configure: Regenerate.
6930
6931         * Makefile.am (install-exec-local): Install the executable as
6932         'ld.gold'.  If install_as_default is true then also install it as
6933         'ld'.
6934         * Makefile.in: Regenerated.
6935
6936 2010-04-24  Ian Lance Taylor  <iant@google.com>
6937
6938         * layout.cc (Layout::layout_reloc): In relocatable link don't
6939         combine reloc sections for grouped sections.
6940
6941 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
6942
6943         * gc.h (gc_process_relocs): Pass information on relocs pointing to
6944         sections that are not ordinary to icf.
6945         * icf.cc (get_section_contents): Handle relocation pointing to section
6946         with no object or shndx information.
6947         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
6948         * testsuite/Makefile.in: Regenerate.
6949         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
6950         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
6951
6952 2010-04-22  Ian Lance Taylor  <iant@google.com>
6953
6954         * expression.cc (Expression::Expression_eval_info): Add
6955         result_alignment_pointer field.
6956         (Expression::eval_with_dot): Add result_alignment_pointer
6957         parameter.  Change all callers.
6958         (Expression::eval_maybe_dot): Likewise.
6959         (class Binary_expression): Add alignment_pointer parameter to
6960         left_value and right_value.  Change all callers.
6961         (BINARY_EXPRESSION): Set result alignment.
6962         (class Trinary_expression): Add alignment_pointer parameter to
6963         arg2_value and arg3_value.  Change all callers.
6964         (Trinary_cond::value): Set result alignment.
6965         (Max_expression::value, Min_expression::value): Likewise.
6966         (Align_expression::value): Likewise.
6967         * script-sections.cc (class Sections_element): Add dot_alignment
6968         parameter to set_section_addresses virtual function.  Update
6969         instantiations.
6970         (class Output_section_element): Likewise.
6971         (Script_sections::create_segments): Add dot_alignment parameter.
6972         Change all callers.
6973         (Script_sections::create_segments_from_phdrs_clause): Likewise.
6974         (Script_sections::set_phdrs_clause_addresses): Likewise.
6975         * script-sections.h: Update declarations.
6976         * script.h: Update declarations.
6977         * output.h (Output_segment::set_minimum_p_align): Don't decrease
6978         min_p_align.
6979         * testsuite/script_test_3.t: Set large alignment.
6980         * testsuite/script_test_3.sh: Make sure that at least one LOAD
6981         segment has expected alignment.
6982
6983 2010-04-22  Nick Clifton  <nickc@redhat.com>
6984
6985         * po/gold.pot: Updated by the Translation project.
6986         * po/vi.po: Updated Vietnamese translation.
6987
6988 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
6989
6990         * testsuite/Makefile.am (check_PROGRAMS): Add
6991         icf_virtual_function_folding_test.
6992         * testsuite/Makefile.in: Regenerated.
6993
6994 2010-04-15  Andrew Haley  <aph@redhat.com>
6995
6996         * options.h (merge_exidx_entries): New option.
6997         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
6998         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
6999         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
7000         (Target_arm::merge_exidx_entries): New function.
7001         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
7002         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
7003         to Arm_exidx_fixup constructor.
7004         Add new arg, merge_exidx_entries.
7005         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
7006         Arm_output_section::fix_exidx_coverage.
7007
7008 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
7009
7010         * icf.cc (get_section_contents): Check for preemptible functions.
7011         Ignore addend when appropriate.
7012         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
7013         section folded.
7014         (add_from_relobj): Check for section folded.
7015         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
7016         * symtab.h (should_add_dynsym_entry): Add new parameter.
7017         * target-reloc.h (scan_relocs): Check for section folded.
7018         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
7019         Check reloc types for function pointers in shared objects.
7020         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
7021         case.
7022         (icf_preemptible_functions_test): New test case.
7023         (icf_string_merge_test): New test case.
7024         * testsuite.Makefile.in: Regenerate.
7025         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
7026         bar_glob.  Refactor code.
7027         * testsuite/icf_preemptible_functions_test.cc: New file.
7028         * testsuite/icf_preemptible_functions_test.sh: New file.
7029         * testsuite/icf_string_merge_test.cc: New file.
7030         * testsuite/icf_string_merge_test.sh: New file.
7031         * testsuite/icf_virtual_function_folding_test.cc: New file.
7032         * testsuite/icf_virtual_function_folding_test.sh: New file.
7033
7034 2010-04-14  Doug Kwan  <dougkwan@google.com>
7035
7036         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
7037         for local symbol recounting if we remove a section due to ICF.
7038         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
7039         there are no regular objects in input.
7040
7041 2010-04-13  Doug Kwan  <dougkwan@google.com>
7042
7043         * arm.cc (Arm_input_section::set_final_data_size): Compute
7044         accurate final data size instead of using current data size.
7045
7046 2010-04-09  Doug Kwan  <dougkwan@google.com>
7047
7048         * layout.cc (Layout::choose_output_section): Handle script section
7049         types.
7050         (Layout::make_output_section_for_script): Add section type parameter.
7051         Handle script section types.
7052         * layout.h (Layout::make_output_section_for_script): Add section
7053         type parameter.
7054         * output.cc (Output_section::Output_section): Initialize data member
7055         is_noload_.
7056         (Output_section::do_reset_address_and_file_offset): Do not set address
7057         to 0 if section is a NOLOAD section.
7058         * output.h (Output_section::is_noload): New method.
7059         (Output_section::set_is_noload): Ditto.
7060         (Output_section::is_noload_): New data member.
7061         * script-c.h (Script_section_type): New enum type.
7062         (struct Parser_output_section_header): Add new file section_type.
7063         * script-sections.cc (Sections_element::output_section_name): Add
7064         parameter for returning script section type.
7065         (Output_section_definition::output_section_name): Ditto.
7066         (Output_section_definition::section_type)P; New method.
7067         (Output_section_definiton::script_section_type_name): Ditto.
7068         (Output_section_definition::script_section_type_): New data member.
7069         (Output_section_definition::Output_section_definition): Initialize
7070         data member Output_section_definition::script_section_type_.
7071         (Output_section_definition::create_sections): Pass script section type
7072         to Layout::make_output_section_for_script.
7073         (Output_section_definition::output_section_name): Return script
7074         section type to caller.
7075         (Output_section_definition::set_section_address): Do not advance
7076         dot value and load address if section type is NOLOAD.  Set address
7077         of NOLOAD sections regardless of section flags.
7078         (Output_section_definition::print): Print section type if it is
7079         not SCRIPT_SECTION_TYPE_NONE.
7080         (Output_section_definition::section_type): New method.
7081         (Output_section_definition::script_section_type_name): Ditto.
7082         (Script_sections::output_section_name): Add new parameter
7083         PSECTION_TYPE for returning script section type.  Pass it to
7084         section elements.  Handle discard sections.
7085         (Sort_output_sections::operator()): Handle NOLOAD sections.
7086         * script-sections.h (Script_sections::Section_type): New enum type.
7087         (Script_sections::output_section_name): Add a new parameter for
7088         returning script section type.
7089         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
7090         INFO and NOLOAD.
7091         * yyscript.y (union): Add new field SECTION_TYPE.
7092         (COPY, DSECT, INFO, NOLOAD): New tokens.
7093         (opt_address_and_section_type): Change type to output_section_header.
7094         (section_type): New non-terminal
7095         (section_header): Handle section type.
7096         (opt_address_and_section_type): Return section type value.
7097
7098 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
7099
7100         * testsuite/plugin_common_test_1.c (foo): Add prototype.
7101         * testsuite/plugin_common_test_2.c (foo): Likewise.
7102
7103 2010-04-08  Doug Kwan  <dougkwan@google.com>
7104
7105         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
7106         Output_merge_data.
7107         * output.cc (Output_section::add_merge_input_section): Simplify
7108         code and return status of Output_merge_base::add_input_section.
7109         Update merge section map only if Output_merge_base::add_input_section
7110         returns true.
7111
7112 2010-04-07  Doug Kwan  <dougkwan@google.com>
7113
7114         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
7115         if section is marked as containing instructions but has no mapping
7116         symbols.
7117         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
7118         correct section index.
7119         (Arm_relobj::find_linked_text_section): Ditto.
7120
7121 2010-04-07  Cary Coutant  <ccoutant@google.com>
7122
7123         * archive.cc (include_member): Destroy Read_symbols_data object before
7124         releasing file.
7125         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
7126         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
7127         (Read_symbols_data::~Read_symbols_data) New destructor.
7128         (Section_relocs::Section_relocs) New constructor.
7129         (Section_relocs::~Section_relocs) New destructor.
7130         (Read_relocs_data::Read_relocs_data) New constructor.
7131         (Read_relocs_data::~Read_relocs_data) New destructor.
7132         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
7133         pointers to NULL after deleting.
7134
7135 2010-04-07  Doug Kwan  <dougkwan@google.com>
7136
7137         * arm.cc: Replace "endianity" with "endianness" in comments.
7138         (Arm_exidx_cantunwind): Ditto.
7139         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
7140         (Arm_relobj::merge_flags_and_attributes): New method.
7141         (Arm_relobj::merge_flags_and_attributes_): New data member.
7142         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
7143         (Arm_relobj::scan_sections_for_stubs): Ditto.
7144         (Arm_relobj::do_read_symbols): Check to see if we really want to
7145         merge processor-specific flags and attributes.  Exit early if
7146         an object is empty except for section names and the undefined symbol.
7147         (Target_arm::do_finalize_sections): Move check for ELF format to
7148         Arm_relobj::do_read_symbols.  Merge processor specific flags and
7149         attributes from a regular object only when we have determined that
7150         it is aapropriate.  Do not create an .ARM.attributes section in
7151         output if there is no regular input object.
7152         (Target_arm::merge_processor_specific_flags): Check
7153         --warn-mismatch before printing any error.
7154         (Target_arm::merge_object_attributes): Ditto.
7155         * gold.cc (queue_middle_tasks): Handle the case in which there is
7156         no regular object in input.
7157         * options.cc (General_options::parse_EB): New method.
7158         (General_options::parse_EL): Same.
7159         (General_options::General_options): Initialize endianness_.
7160         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
7161         New options.
7162         (General_options::Endianness): New enum.
7163         (General_options::endianness): New method.
7164         (General_options::endianness_): New data member.
7165         * parameters.cc (Parameters::set_options): Check target endianness.
7166         (Parameters::set_target_once): Ditto.
7167         (Parameters::check_target_endianness): New method.
7168         (parameters_force_valid_target): If either -EL or -EB is specified,
7169         use it to define endianness of default target.
7170         * parameters.h (Parameters::check_target_endianness): New method
7171         declaration.
7172         * target.h (class Target): Change "endianity" to "endianness"
7173         in comments.
7174
7175 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7176
7177         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
7178         * configure: Regenerate.
7179         * Makefile.in: Regenerate.
7180         * testsuite/Makefile.in: Regenerate.
7181
7182 2010-04-06  Cary Coutant  <ccoutant@google.com>
7183
7184         gcc PR lto/42757
7185         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
7186         prevailing definitions of common symbols.
7187         * testsuite/plugin_test_6.sh: New test case.
7188         * testsuite/plugin_common_test_1.c: New test case.
7189         * testsuite/plugin_common_test_2.c: New test case.
7190         * testsuite/Makefile.am (plugin_test_6): New test case.
7191         * testsuite/Makefile.in: Regenerate.
7192
7193 2010-04-06  Nick Clifton  <nickc@redhat.com>
7194
7195         * po/vi.po: New Vietnamese translation.
7196
7197 2010-03-30  Doug Kwan  <dougkwan@google.com>
7198
7199         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
7200
7201 2010-03-25  Doug Kwan  <dougkwan@google.com>
7202
7203         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
7204         to avoid a conversion warning on a 32-bit host.
7205
7206 2010-03-24  Ian Lance Taylor  <iant@google.com>
7207
7208         * testsuite/script_test_3.t: Add a TLS segment.
7209         * testsuite/Makefile.am (check_PROGRAMS): Add
7210         tls_phdrs_script_test.
7211         (tls_phdrs_script_test_SOURCES): Define.
7212         (tls_phdrs_script_test_DEPENDENCIES): Define.
7213         (tls_phdrs_script_test_LDFLAGS): Define.
7214         (tls_phdrs_script_test_LDADD): Define.
7215         * testsuite/Makefile.in: Rebuild.
7216
7217 2010-03-23  Cary Coutant  <ccoutant@google.com>
7218
7219         * fileread.cc (find_or_make_view): Fix comment.
7220
7221 2010-03-23  Ian Lance Taylor  <iant@google.com>
7222
7223         * script-sections.cc (class Orphan_section_placement): Define
7224         PLACE_TLS and PLACE_TLS_BSS.
7225         (Orphan_section_placement::Orphan_section_placement): Initialize
7226         new places.
7227         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
7228         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
7229         (tls_script_test_SOURCES): Define.
7230         (tls_script_test_DEPENDENCIES): Define.
7231         (tls_script_test_LDFLAGS): Define.
7232         (tls_script_test_LDADD): Define.
7233         * testsuite/Makefile.in: Rebuild.
7234
7235 2010-03-22  Doug Kwan  <dougkwan@google.com>
7236
7237         * arm.cc (Arm_relocate_functions::abs8,
7238         Arm_relocate_functions::abs16): Use correct check for overflow
7239         specified in the ARM ELF specs.
7240         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
7241         target of a BLX instruction specially.
7242         (Reloc_stub::stub_type_for_reloc): Ditto.
7243         (Relocate::relocate): Use symbolic names instead of numeric relocation
7244         codes to report error.
7245         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
7246         workaround.
7247         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
7248         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
7249         thumb2_blx_out_of_range.stdout
7250         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
7251         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
7252         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
7253         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
7254         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
7255         thumb2_blx_in_range, thumb2_blx_in_range.o,
7256         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
7257         thumb2_blx_out_of_range.o): New rules.
7258         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
7259         thumb2_blx_in_range and thumb2_blx_out_of_range.
7260         * testsuite/Makefile.in: Regenerate.
7261         * arm_branch_in_range.sh: Add tests for THUMB BLX.
7262         * testsuite/thumb_blx_in_range.s: New file.
7263         * testsuite/thumb_blx_out_of_range.s: New file.
7264
7265 2010-03-22  Rafael Espindola  <espindola@google.com>
7266
7267         * archive.cc (Should_include): Move to archive.h.
7268         (should_include_member): Make it a member of Archive.
7269         (Lib_group): New.
7270         (Add_lib_group_symbols): New.
7271         * archive.h: Include options.h.
7272         (Archive_member): Moved from Archive.
7273         (Should_include): Moved from archive.cc.
7274         (Lib_group): New.
7275         (Add_lib_group_symbols): New.
7276         * dynobj.cc (do_should_include_member): New.
7277         * dynobj.h (do_should_include_member): New.
7278         * gold.cc (queue_initial_tasks): Update call to queue.
7279         * main.cc (main): Print lib group stats.
7280         * object.cc (do_should_include_member): New.
7281         * object.h: Include archive.h.
7282         (Object::should_include_member): New.
7283         (Object::do_should_include_member): New.
7284         (Sized_relobj::do_should_include_member): New.
7285         * options.cc (General_options::parse_start_lib): New.
7286         (General_options::parse_end_lib): New.
7287         (Input_arguments::add_file): Handle lib groups.
7288         (Input_arguments::start_group): Check we are not in a lib.
7289         (Input_arguments::start_lib): New.
7290         (Input_arguments::end_lib): New.
7291         * options.h (General_options): Add start_lib and end_lib.
7292         (Input_argument::lib_): New.
7293         (Input_argument::lib): New.
7294         (Input_argument::is_lib): New.
7295         (Input_file_lib): New.
7296         (Input_arguments::in_lib_): New.
7297         (Input_arguments::in_lib): New.
7298         (Input_arguments::start_lib): New.
7299         (Input_arguments::end_lib_): New.
7300         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
7301         in unused members as preempted.
7302         (Sized_pluginobj::do_should_include_member): New.
7303         * plugin.h (Sized_pluginobj::do_should_include_member): New.
7304         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
7305         return the blocker.
7306         (Read_symbols::do_whole_lib_group): New.
7307         (Read_symbols::do_lib_group): New.
7308         (Read_symbols::do_read_symbols): Handle lib groups.
7309         (Read_symbols::get_name): Handle lib groups.
7310         * readsyms.h (Read_symbols): Add an archive member pointer.
7311         (Read_symbols::do_whole_lib_group): New.
7312         (Read_symbols::do_lib_group): New.
7313         (Read_symbols::member_): New.
7314         * script.cc (read_input_script): Update call to queue_soon.
7315
7316 2010-03-19  Doug Kwan  <dougkwan@google.com>
7317
7318         * arm.cc (Stub_table::Stub_table): Initialize new data members
7319         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
7320         (Stub_table::add_reloc_stub): Assign stub offset and update
7321         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
7322         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
7323         New data members.
7324         (Stub_table::update_data_size_and_addralign): Use
7325         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
7326         instead of going over all reloc stubs.
7327         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
7328         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
7329         Stringpool_template::offset_ to size of Stringpool_char.
7330         (Stringpool_template::new_key_offset): Remove code to initialize
7331         Stringpool_template::offset_.
7332         * stringpool.h (Stringpool_template::set_no_zero_null): Set
7333         Stringpool_template::offset_ to zero.
7334
7335 2010-03-15  Doug Kwan  <dougkwan@google.com>
7336
7337         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
7338         offset_.
7339         (Stringpool_template::new_key_offset): New method.
7340         (Stringpool_template::add_string): Assign offsets when adding new
7341         strings.
7342         (Stringpool_template::set_string_offsets): Do not set string offsets
7343         when not optimizing.
7344         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
7345         member size_.
7346         (Chunked_vector::clear): Clear size_.
7347         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
7348         (Chunked_vector::size): Return size_.
7349         (Chunked_vector::push_back): Use size_ to find insert position.
7350         (Chunked_vector::size_): New data member.
7351         (Stringpool_template::set_no_zero_null): Assert string set is empty.
7352         (Stringpool_template::new_key_offset): New method declaration.
7353         (Stringpool_template::offset_): New data member.
7354
7355 2010-03-15   Rafael Espindola  <espindola@google.com>
7356
7357         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
7358         Add_symbols' constructor.
7359         * readsyms.h (Add_symbols): Remove the input_group member.
7360
7361 2010-03-10  Ian Lance Taylor  <iant@google.com>
7362
7363         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
7364         target to ask whether a reference to a symbol requires a stack
7365         split.
7366         * target.h (Target::is_call_to_non_split): New function.
7367         (Target::do_is_call_to_non_split): Declare virtual function.
7368         * target.cc: Include "symtab.h".
7369         (Target::do_is_call_to_non_split): New function.
7370         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
7371
7372 2010-03-10  Cary Coutant  <ccoutant@google.com>
7373
7374         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
7375         (File_read::open[1]): Remove initial mapping of whole_file_view_.
7376         (File_read::open[2]): Add whole_file_view_ to list of views.
7377         (File_read::make_view): Remove test of whole_file_view_.
7378         (File_read::find_or_make_view): Create whole_file_view_ if
7379         necessary.
7380         (File_read::clear_views): Replace bool parameter with enum;
7381         adjust all callers.  Don't delete views with permanent data;
7382         do delete cached views and views from archives if
7383         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
7384         if clearing the corresponding view.
7385         * fileread.h (File_read::Clear_views_mode): New enum.
7386         (File_read::View::is_permanent_view): New method.
7387         (File_read::clear_views): Replace bool parameter
7388         with enum; adjust all callers.
7389         * options.h (General_options): Change keep_files_mapped option;
7390         add map_whole_files.
7391         * readsyms.cc (Add_symbols::run): Delete sd_ object before
7392         releasing the file.
7393         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
7394         the file.
7395
7396 2010-03-10  David S. Miller  <davem@davemloft.net>
7397
7398         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
7399
7400 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
7401
7402         * icf.cc (get_section_contents): Add '@' marker after processing the
7403         merge reloc.
7404
7405 2010-03-08  Doug Kwan  <dougkwan@google.com>
7406
7407         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
7408         due to a conversion warning.
7409         (Arm_relobj::update_output_local_symbol_count): Check for local
7410         symbol with unset output index.
7411
7412 2010-03-05  Ian Lance Taylor  <iant@google.com>
7413
7414         * options.h (class General_options): Add --spare-dynamic-tags.
7415         * output.cc (Output_data_dynamic::set_final_data_size): Implement
7416         --spare-dynamic-tags.
7417
7418 2010-03-05  Ian Lance Taylor  <iant@google.com>
7419
7420         * incremental.cc: Include "libiberty.h".
7421
7422 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7423
7424         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
7425         function, is_info_ member.
7426         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
7427         (Versions::Versions): Update caller.
7428         (Versions::define_base_version): Likewise.
7429         (Versions::add_def): Likewise.
7430
7431 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
7432
7433         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
7434         (Scan::possible_function_pointer_reloc): New function.
7435         (Scan::local_reloc_may_be_function_pointer): Change to call
7436         possible_function_pointer_reloc.
7437         (Scan::global_reloc_may_be_function_pointer): Ditto.
7438         * icf.h (Icf::check_section_for_function_pointers): Change to reject
7439         relocations in ".data.rel.ro._ZTV" section.
7440         * testsuite/icf_safe_so_test.sh: Change to pass i386.
7441         * testsuite/icf_safe_so_test.cc: Ditto.
7442         * testsuite/icf_safe_test.cc: Ditto.
7443         * testsuite/icf_safe_test.sh: Ditto.
7444
7445 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7446             Ian Lance Taylor  <iant@google.com>
7447
7448         * target-reloc.h (relocate_section): Check the symbol table index
7449         for -1U before setting the local symbol index.
7450         (scan_relocatable_relocs): If copying the relocation, record that
7451         the local symbol is required.
7452         * object.h (Symbol_value::is_output_symtab_index_set): New
7453         function.
7454         (Symbol_value::may_be_discarded_from_output_symtab): New
7455         function.
7456         (Symbol_value::has_output_symtab_entry): New function.
7457         (Symbol_value::needs_output_symtab_entry): Remove.
7458         (Symbol_value::output_symtab_index): Make sure the symbol index is
7459         set.
7460         (Symbol_value::set_output_symtab_index): Make sure the symbol
7461         index is not set.  Make sure the new index is valid.
7462         (Symbol_value::set_must_have_output_symtab_entry): New function.
7463         (Symbol_value::has_output_dynsym_entry): New function.
7464         (Symbol_value::set_output_dynsym_index): Make sure the new index
7465         is valid.
7466         (Sized_relobj::set_must_have_output_symtab_entry): New function.
7467         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
7468         local symbol if permitted.
7469         (Sized_relobj::do_finalize_local_symbols): Call
7470         is_output_symtab_index_set rather than needs_output_symtab_entry.
7471         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
7472         rather than needs_output_symtab_entry.  Call
7473         has_output_dynsym_entry rather than needs_output_dynsym_entry.
7474         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
7475         is_output_symtab_index_set rather than needs_output_symtab_entry.
7476         * testsuite/discard_locals_relocatable_test.c: New file.
7477         * testsuite/discard_locals_test.sh: Test -r.
7478         * testsuite/Makefile.am (check_DATA): Add
7479         discard_locals_relocatable_test1.syms,
7480         discard_local_relocatable_test2.syms.
7481         (MOSTLYCLEANFILES): Likewise.  Also add
7482         discard_locals_relocatable_test1.lout and
7483         discard_locals_relocatable_test2.out.
7484         (discard_locals_relocatable_test1.syms): New target.
7485         (discard_locals_relocatable_test.o): New target.
7486         (discard_locals_relocatable_test1.out): New target.
7487         (discard_locals_relocatable_test2.syms): New target.
7488         (discard_locals_relocatable_test2.out): New target.
7489         (various): Add missing ../ld-new dependencies.
7490         * testsuite/Makefile.in: Rebuild.
7491
7492 2010-03-03  Nick Clifton  <nickc@redhat.com>
7493
7494         * po/fi.po: New Finnish translation.
7495
7496 2010-03-01  Doug Kwan  <dougkwan@google.com>
7497
7498         * layout.cc (Layout::Layout): Force section types of .init_array*,
7499         .preinit_array* and .fini_array* sections.
7500         * output.cc (Output_section::Input_section_sort_entry::has_priority):
7501         Fix check of return value of std::string::find.().
7502         (Output_section::Input_section_sort_compare::operator()): Remove
7503         comment about .init_array.
7504         (Output_section::Input_section_sort_init_fini_compare::operator()):
7505         New method.
7506         (Output_section::sort_attached_input_sections): Handle .init_array
7507         and .fini_array specially.
7508         * output.h (Output_section::Inut_section_sort_compare): Update
7509         comment.
7510         (Output_section::Input_section_sort_init_fini_compare): New struct.
7511
7512 2010-02-26  Doug Kwan  <dougkwan@google.com>
7513
7514         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
7515         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
7516         * testsuite/debug_msg.sh: Avoid matching source line number for
7517         use of global variable undef_int.
7518
7519 2010-02-26  Doug Kwan  <dougkwan@google.com>
7520
7521         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
7522         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
7523         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
7524         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
7525         * options.cc (General_options::General_options): Initialize member
7526         fix_v4bx_.
7527         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
7528         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
7529         and rm_no_fix_v4bx.stdout
7530         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
7531         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
7532         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
7533         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
7534         and arm_no_fix_v4bx.
7535         * Makefile.in: Regenerate.
7536         * testsuite/arm_fix_v4bx.s: New file.
7537         * testsuite/arm_fix_v4bx.sh: Ditto.
7538
7539 2010-02-24  Doug Kwan  <dougkwan@google.com>
7540
7541         * arm.cc (Target_arm::got_section): Make the .got section the first
7542         non RELRO section in the data segment.
7543         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
7544         suffixes of section names.
7545
7546 2010-02-24  Doug Kwan  <dougkwan@google.com>
7547
7548         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
7549         flags and attributes merging if an input file is a binary file.
7550         * fileread.cc (Input_file::open): Record format of original file.
7551         * fileread.h (Input_file::Format): New enum type.
7552         (Input_file::Input_file): Initialize data member format_.
7553         (Input_file::format): New method definition.
7554         (Input_file::format_):: New data member.
7555
7556 2010-02-24  Doug Kwan  <dougkwan@google.com>
7557
7558         * arm.cc (Arm_output_data_got): New class.
7559         (ARM_TCB_SIZE): New constant
7560         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
7561         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
7562         If user uses a script with a SECTIONS clause, issue only a warning
7563         for a misplaced EXIDX input section.  Otherwise, issue an error.
7564         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
7565         garbage collection.
7566         (Target_arm::got_mode_index_entry): Handle static linking.
7567         (Target_arm::Scan::local): Ditto.
7568         (Target_arm::Scan::global): Ditto.
7569         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
7570         all incorrectly implemented relocations.
7571         (Target_arm::fix_exidx_coverage): Pass layout to
7572         Arm_output_section::fix_exidx_coverage.
7573         * layout.cc (Layout::section_name_mapping): Remove trailing dots
7574         from ".ARM.exidx." and ".ARM.extab.".
7575
7576 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7577
7578         * arm.cc (Target_arm::do_finalize_sections): Create attribute
7579         section if it does not already exist.
7580         * attributes.cc (Attributes_section_data::Attributes_section_data):
7581         Don't crash if size is zero.
7582
7583 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7584             Ian Lance Taylor  <iant@google.com>
7585
7586         * gold.cc (queue_middle_tasks): If no input files were opened,
7587         exit.
7588         * workqueue.h (Task_function::Task_function): Assert that there is
7589         a blocker.
7590
7591 2010-02-22  Doug Kwan  <dougkwan@google.com>
7592
7593         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
7594         * icf.cc (get_section_contents): Cast snprintf arguments to long long
7595         types to avoid warnings due to different uint64_t implementations
7596         on different hosts.
7597
7598 2010-02-21  Doug Kwan  <dougkwan@google.com>
7599
7600         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
7601         handling of the maximum backward branch offset.
7602         (Arm_relocate_functions::thumb_branch_common): Ditto.
7603         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
7604         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
7605         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
7606         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
7607         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
7608         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
7609         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
7610         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
7611         thumb_bl_out_of_range thumb_bl_out_of_range.o,
7612         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
7613         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
7614         thumb2_bl_out_of_range.o): New rules.
7615         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
7616         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
7617         thumb2_bl_out_of_range
7618         * testsuite/Makefile.in: Regenerate.
7619         * testsuite/arm_bl_in_range.s: New file.
7620         * testsuite/arm_bl_out_of_range.s: Ditto.
7621         * testsuite/arm_branch_in_range.sh: Ditto.
7622         * testsuite/arm_branch_range.t: Ditto.
7623         * testsuite/thumb2_branch_range.t: Ditto.
7624         * testsuite/thumb_bl_in_range.s: Ditto.
7625         * testsuite/thumb_bl_out_of_range.s: Ditto.
7626         * testsuite/thumb_branch_range.t: Ditto.
7627
7628 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
7629
7630         * gc.h (gc_process_relocs): Change vectors to point to the new list.
7631         Add reloc offset information.
7632         * icf.cc (get_section_contents): Change iterators to point to the new
7633         vectors. Add reloc offset information to the contents.
7634         * icf.h (Icf::Sections_reachable_info): New typedef.
7635         (Icf::Sections_reachable_list): New typedef.
7636         (Icf::Offset_info): New typedef.
7637         (Icf::Reloc_info): New struct typedef.
7638         (Icf::Reloc_info_list): New typedef.
7639         (Icf::symbol_reloc_list): Delete method.
7640         (Icf::addend_reloc_list): Delete method.
7641         (Icf::section_reloc_list): Delete method.
7642         (Icf::reloc_info_list): New method.
7643         (Icf::reloc_info_list_): New member.
7644
7645 2010-02-19  Doug Kwan  <dougkwan@google.com>
7646
7647         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
7648         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
7649         * arm.cc (Arm_relocation_functions): New forward declaration.
7650         (Target_arm::Target_arm): Initialize new data members
7651         got_mod_index_offset_ and tls_base_symbol_defined_.
7652         (Target_arm::Relocate::relocate_tls): New method.
7653         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
7654          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
7655         New methods.
7656         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
7657         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
7658         (Target_arm::got_mod_index_offset_,
7659         Target_arm::tls_base_symbol_defined_): New data members.
7660         (Target_arm::Scan::local, Target::Scan::global,
7661         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
7662         relocations.
7663
7664 2010-02-18  Doug Kwan  <dougkwan@google.com>
7665
7666         * arm.cc (Arm_relobj::find_linked_text_section): New method.
7667         (Arm_relobj::make_exidx_input_section): Pass section index of linked
7668         text section as a parameter becuase some broken tools may not set
7669         the link in section header.
7670         (Target_arm::has_got_section): New method.
7671         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
7672         without any mapping symbol as data only.  Remove warning.
7673         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
7674         link in its section header, try to discover the link by inspecting the
7675         REL31 relocation at the beginning of the section.
7676         (Target_arm::Scan::check_non_pic): Report name of offending relocation
7677         in error message.
7678         (Target_arm::Scan::global): Treat any reference to the symbol
7679         _GLOBAL_OFFSET_TABLE_ as a GOT access.
7680
7681 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
7682
7683         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
7684         (Scan::global_reloc_may_be_function_pointer): New function.
7685         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7686         (Scan::global_reloc_may_be_function_pointer): New function.
7687         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7688         (Scan::global_reloc_may_be_function_pointer): New function.
7689         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
7690         (Scan::global_reloc_may_be_function_pointer): New function.
7691         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
7692         (Scan::global_reloc_may_be_function_pointer): New function.
7693         (Scan::possible_function_pointer_reloc): New function.
7694         (Target_x86_64::can_check_for_function_pointers): New function.
7695         * gc.h (gc_process_relocs): Scan relocation types to determine if
7696         function pointers were taken for targets that support it.
7697         * icf.cc (Icf::find_identical_sections): Include functions for
7698         folding in safe ICF whose pointer is not taken.
7699         * icf.h (Secn_fptr_taken_set): New typedef.
7700         (fptr_section_id_): New member.
7701         (section_has_function_pointers): New function.
7702         (set_section_has_function_pointers): New function.
7703         (check_section_for_function_pointers): New function.
7704         * options.h: Fix comment for safe ICF option.
7705         * target.h (can_check_for_function_pointers): New function.
7706         * testsuite/Makefile.am: Add icf_safe_so_test test case.
7707         Modify icf_safe_test for X86-64.
7708         * testsuite/Makefile.in: Regenerate.
7709         * testsuite/icf_safe_so_test.cc: New file.
7710         * testsuite/icf_safe_so_test.sh: New file.
7711         * testsuite/icf_safe_test.cc (kept_func_3): New function.
7712         (main): Change to take pointer to function kept_func_3.
7713         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
7714         folding is done correctly for X86-64.
7715
7716 2010-02-12  David S. Miller  <davem@davemloft.net>
7717
7718         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
7719         is_symbolless parameter.
7720         (Output_reloc<SHT_REL>::is_symbolless): New.
7721         (Output_reloc<SHT_REL>::is_symbolless_): New.
7722         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
7723         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
7724         (Output_reloc<SHT_RELA>::is_symbolless): New.
7725         (Output_data_reloc::add_global): Handle is_symbolless.
7726         (Output_data_reloc::add_global_relative): Likewise.
7727         (Output_data_reloc::add_local): Likewise.
7728         (Output_data_reloc::add_local_relative): Likewise.
7729         (Output_data_reloc::add_symbolless_global_addend): New.
7730         (Output_data_reloc::add_symbolless_local_addend): New.
7731         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
7732         is_symbolless.
7733         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
7734         instead of ->is_relative_
7735         (Output_reloc::write): Likewise.
7736         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
7737         (Output_reloc::write_rel): Simplify.
7738
7739         * sparc.cc (Target_sparc::Scan::local): Use
7740         ->add_symbolless_local_addend as needed.
7741         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
7742         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
7743         based upon relocation offset.
7744
7745 2010-02-11  Doug Kwan  <dougkwan@google.com>
7746
7747         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
7748         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
7749         beginning of function.
7750         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
7751         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
7752         parameter is_32bit in calls to should_apply_static_reloc.
7753         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
7754         (check_DATA): Add arm_abs_global.stdout.
7755         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
7756         arm_abs_global.stdout): New rules.
7757         (MOSTLLYCLEANFILES): Add arm_abs_global
7758         * Makefile.in: Regenerate.
7759         * testsuite/arm_abs_global.s: New file.
7760         * testsuite/arm_abs_global.sh: Ditto.
7761         * testsuite/arm_abs_lib.s: Ditto.
7762
7763 2010-02-11  Ian Lance Taylor  <iant@google.com>
7764
7765         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
7766         Read_relocs task.
7767         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
7768         Allocate_commons_task first.
7769         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
7770         task, rather than symtab_lock_.
7771         (Gc_process_relocs::~Gc_process_relocs): New function.
7772         (Gc_process_relocs::is_runnable): Check this_blocker_.
7773         (Gc_process_relocs::locks): Use next_blocker_ rather than
7774         blocker_.
7775         (Scan_relocs::~Scan_relocs): New function.
7776         (Scan_relocs::is_runnable): Check this_blocker_ rather than
7777         symtab_lock_.
7778         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
7779         next_blocker_.
7780         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
7781         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
7782         constructor accordingly.
7783         (class Gc_process_relocs): Likewise.
7784         (class Scan_relocs): Likewise.
7785         * common.h (class Allocate_commons_task): Remove symtab_lock_
7786         field, and corresponding constructor parameter.
7787         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
7788         symtab_lock_.
7789         (Allocate_commons_task::locks): Likewise.
7790
7791 2010-02-11  Ian Lance Taylor  <iant@google.com>
7792
7793         * gold-threads.h (class Once): Define.
7794         (class Initialize_lock): Rewrite as child of Once.
7795         * gold-threads.cc (class Once_initialize): Define.
7796         (once_pointer_control): New static variable.
7797         (once_pointer, once_arg): New static variables.
7798         (c_run_once): New static function.
7799         (Once::Once, Once::run_once, Once::internal_run): New functions.
7800         (class Initialize_lock_once): Remove.
7801         (initialize_lock_control): Remove.
7802         (initialize_lock_pointer): Remove.
7803         (initialize_lock_once): Remove.
7804         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
7805         (Initialize_lock::initialize): Rewrite.
7806         (Initialize_lock::do_run_once): New function.
7807         * archive.cc (Archive::interpret_header): Only clear name if it is
7808         not already empty.
7809         * fileread.cc: Include "gold-threads.h"
7810         (file_counts_lock): New static variable.
7811         (file_counts_initialize_lock): Likewise.
7812         (File_read::release): Only increment counts when using --stats.
7813         Use a lock around the increment.
7814         * parameters.cc (class Set_parameters_target_once): Define.
7815         (set_parameters_target_once): New static variable.
7816         (Parameters::Parameters): Move here from parameters.h.
7817         (Parameters::set_target): Rewrite.
7818         (Parameters::set_target_once): New function.
7819         (Parameters::clear_target): Move here and rewrite.
7820         * parameters.h (class Parameters): Update declarations.  Add
7821         set_parameters_target_once_ field.
7822         (Parameters::Parameters): Move to parameters.cc.
7823         (Parameters::clear_target): Likewise.
7824         * readsyms.cc (Read_symbols::do_group): Create a Start_group
7825         task.
7826         (Start_group::~Start_group): New function.
7827         (Start_group::is_runnable): New function.
7828         (Start_group::locks, Start_group::run): New functions.
7829         (Finish_group::run): Change saw_undefined to size_t.
7830         * readsyms.h (class Start_group): Define.
7831         (class Finish_group): Change saw_undefined_ field to size_t.
7832         (Finish_group::Finish_group): Remove saw_undefined and
7833         this_blocker parameters.  Change all callers.
7834         (Finish_group::set_saw_undefined): New function.
7835         (Finish_group::set_blocker): New function.
7836         * symtab.h (class Symbol_table): Change saw_undefined to return
7837         size_t.  Change saw_undefined_ field to size_t.
7838         * target-select.cc (Set_target_once::do_run_once): New function.
7839         (Target_selector::Target_selector): Initialize set_target_once_
7840         field.  Don't initialize lock_ and initialize_lock_ fields.
7841         (Target_selector::instantiate_target): Rewrite.
7842         (Target_selector::set_target): New function.
7843         * target-select.h (class Set_target_once): Define.
7844         (class Target_selector): Update declarations.  Make
7845         Set_target_once a friend.  Remove lock_ and initialize_lock_
7846         fields.  Add set_target_once_ field.
7847
7848 2010-02-10  Ian Lance Taylor  <iant@google.com>
7849
7850         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
7851         queueing any tasks.
7852         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
7853         (queue_middle_tasks): Add all blockers before queueing any tasks.
7854         (queue_final_tasks): Likewise.
7855         * token.h (Task_token::add_blockers): New function.
7856         * object.h (Input_objects::number_of_relobjs): New function.
7857
7858 2010-02-10  Ian Lance Taylor  <iant@google.com>
7859
7860         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
7861         shared, not if not position independent.
7862         * x86_64.cc (Relocate::relocate_tls): Likewise.
7863         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
7864         (tls_pie_pic_test): New target.
7865         * testsuite/Makefile.in: Rebuild.
7866
7867         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
7868         (tls_test_main_pie.o, tls_test_pie.o): New targets.
7869         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
7870         * testsuite/Makefile.in: Rebuild.
7871
7872 2010-02-09  David S. Miller  <davem@davemloft.net>
7873
7874         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
7875         R_SPARC_RELATIVE using ->add_local_relative().
7876         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
7877
7878         * output.h (Output_data_dynamic::add_section_size): New method
7879         that takes two Output_data objects.
7880         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
7881         entry param.  Handle it in initializers.
7882         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
7883         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
7884         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
7885         arg.
7886         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
7887         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
7888         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
7889         for dynrel_includes_plt.
7890         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7891         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7892         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
7893         before .rela.plt
7894         (Target_sparc::do_finalize_sections): Update to pass true for
7895         dynrel_includes_plt.
7896         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
7897         output before .rela.plt
7898         (Target_powerpc::do_finalize_sections): Update to pass true for
7899         dynrel_includes_plt when 32-bit.
7900
7901 2010-02-08  Doug Kwan  <dougkwan@google.com>
7902
7903         * arm.cc (Arm_relobj::simple_input_section_output_address): New
7904         method.
7905         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
7906         Arm_relobj::scan_section_for_cortex_a8_stubs,
7907         Arm_relobj::do_relocation_section): Instead of calling
7908         Output_section::output_address, use faster
7909         Arm_relobj::simple_input_section_output_address.
7910
7911 2010-02-08  David S. Miller  <davem@davemloft.net>
7912
7913         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
7914         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
7915         relocation helper function.
7916
7917         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
7918         just like R_SPARC_GOT{10,13,22}.
7919         (Target_sparc::Scan::local): Likewise.
7920         (Target_sparc::Relocate:relocate): Likewise.
7921
7922 2010-02-06  Ian Lance Taylor  <iant@google.com>
7923
7924         * configure.ac: Rewrite targetobjs duplicate removal code to use
7925         only shell constructs.
7926         * configure: Rebuild.
7927
7928 2010-02-05  Doug Kwan  <dougkwan@google.com>
7929
7930         PR 11247
7931         * arm.cc (Arm_relobj::section_is_scannable): New method.
7932         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
7933         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
7934
7935 2010-02-04  Doug Kwan  <dougkwan@google.com>
7936
7937         PR 11247
7938         * arm-reloc-property.cc (cstdio): Include.
7939         * configure.ac (targetobjs): Remove duplicates.
7940         * configure: Regenerate.
7941         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
7942         big and little endian version for a given address size.
7943
7944 2010-02-03  Doug Kwan  <dougkwan@google.com>
7945
7946         * arm-reloc-property.cc
7947         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7948         definition.
7949         * arm-reloc-property.h
7950         (Arm_reloc_property_table::get_implemented_static_reloc_property):
7951         New method definition.
7952         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7953         declaration.
7954         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
7955         overflow to N.
7956         (GOT_PREL): Change implemented to Y.
7957         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
7958         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
7959         (Arm_relocate_functions::movw_abs_nc): Remove method.
7960         (Arm_relocate_functions::movt_abs): Ditto.
7961         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
7962         (Arm_relocate_functions::thm_movt_abs): Ditto.
7963         (Arm_relocate_functions::movw_rel_nc): Ditto.
7964         (Arm_relocate_functions::movw_rel): Ditto.
7965         (Arm_relocate_functions::movt_rel): Ditto.
7966         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
7967         (Arm_relocate_functions:thm_movw_rel): Ditto.
7968         (Arm_relocate_functions:thm_movt_rel): Ditto.
7969         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
7970         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
7971         New method definitions.
7972         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
7973         (Arm_relocation_functions::arm_grp_ldr): Ditto.
7974         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
7975         (Arm_relocation_functions::arm_grp_ldc): Ditto.
7976         (Target_arm::Relocate::relocate): Check for non-static or
7977         unimplemented relocation code and exit early.  Change calls to
7978         Target_arm::reloc_uses_thumb_bit and
7979         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
7980         instead.  Refactor code to handle similar relocations to increase
7981         code sharing.  Remove check for unsupported relocation code in switch
7982         statement.
7983         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
7984         relocation property table to find out size.  Change error message to
7985         print out the name of a relocation code instead of the numeric value.
7986         (Target_arm::scan_reloc_for_stub): Use relocation property table
7987         instead of calling Target_arm::reloc_uses_thumb_bit().
7988
7989 2010-02-02  Doug Kwan  <dougkwan@google.com>
7990
7991         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
7992         types of relaxed input section.
7993
7994 2010-02-02  Doug Kwan  <dougkwan@google.com>
7995
7996         * Makefile.am (HFILES): Add arm-reloc-property.h.
7997         (DEFFILES): New.
7998         (TARGETSOURCES): Add arm-reloc-property.cc
7999         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
8000         (libgold_a_SOURCES): $(DEFFILES)
8001         * Makefile.in: Regenerate.
8002         * arm-reloc-property.cc: New file.
8003         * arm-reloc-property.h: New file.
8004         * arm-reloc.def: New file.
8005         * arm.cc: Update comments.
8006         (arm-reloc-property.h): New included header.
8007         (arm_reloc_property_table): New global variable.
8008         (Target_arm::do_select_as_default_target): New method definition.
8009         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
8010         arm-reloc-property to targ_extra_obj.
8011         * parameters.cc (set_parameters_target): Call
8012         Target::select_as_default_target().
8013         * target.h (Target::select_as_default_target): New method definition.
8014         (Target::do_select_as_default_target): Same.
8015
8016 2010-02-01  Doug Kwan  <dougkwan@google.com>
8017
8018         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
8019         first_output_text_section_.
8020         (Arm_exidx_fixup::first_output_text_section): New method definition.
8021         (Arm_exidx_fixup::first_output_text_section_): New data member.
8022         (Arm_exidx_fixup::process_exidx_section): Record the first text
8023         output section seen.
8024         (Arm_output_section::fix_exidx_coverage): Set correct linked section
8025         and entsize in output section header.
8026
8027 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8028
8029         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
8030         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
8031         (Arm_relocate_functions::thm_alu11): New Method.
8032         (Arm_relocate_functions::thm_pc8): New Method.
8033         (Arm_relocate_functions::thm_pc12): New Method.
8034         (Target_arm::Scan::local): Handle the relocations.
8035         (Target_arm::Scan::global): Likewise.
8036         (Target_arm::Relocate::relocate): Likewise.
8037         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8038
8039 2010-01-29  Doug Kwan  <dougkwan@google.com>
8040
8041         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
8042         of relocation types as ld.
8043
8044 2010-01-29  Doug Kwan  <dougkwan@google.com>
8045
8046         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
8047         to public.
8048         (Arm_relocate_functions::thumb_branch_common): Ditto.
8049         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
8050         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
8051         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
8052         Arm_relocate_functions::jump24): Remove.
8053         (Target_arm::Relocate::relocate): Adjust code to call
8054         Arm_relocation_functions::arm_branch_common and
8055         Arm_relocation_functions::thumb_branch_common instead of their removed
8056         wrappers.  Merge switch-cases together to reduce source code size.
8057
8058 2010-01-29  Doug Kwan  <dougkwan@google.com>
8059
8060         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
8061         output_local_symbol_count_needs_update_.
8062         (Arm_relobj::output_local_symbol_count_needs_update,
8063          Arm_relobj::set_output_local_symbol_count_needs_update,
8064          Arm_relobj::update_output_local_symbol_count): New methods.
8065         (Arm_relobj::output_local_symbol_count_needs_update_): New data
8066         member.
8067         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
8068         of pointed function as in a R_ARM_PREL31 relocation.
8069         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
8070         for output local symbol count updating.
8071         (Target_arm::do_relax): Update output local symbol counts in objects
8072         if necessary.
8073         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
8074
8075 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8076
8077         * arm.cc: Added support for the ARM relocations:
8078         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
8079         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
8080         (Arm_relocate_functions::movw_rel_nc): Renamed (was
8081         movw_prel_nc).
8082         (Arm_relocate_functions::movw_rel): New method.
8083         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
8084         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
8085         thm_movw_prel_nc).
8086         (Arm_relocate_functions::thm_movw_rel): New method.
8087         (Arm_relocate_functions::thm_movt_rel): Renamed (was
8088         thm_movt_prel).
8089         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
8090         relocations.
8091         (Target_arm::Scan::global): Likewise.
8092         (Target_arm::Relocate::relocate): Likewise.
8093         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8094         Likewise.
8095
8096 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8097
8098         * arm.cc: Added support for ARM group relocations.
8099         (Target_arm::reloc_needs_sym_origin): New method.
8100         (Arm_relocate_functions::calc_grp_kn): New method.
8101         (Arm_relocate_functions::calc_grp_residual): New method.
8102         (Arm_relocate_functions::calc_grp_gn): New method.
8103         (Arm_relocate_functions::arm_grp_alu): New Method.
8104         (Arm_relocate_functions::arm_grp_ldr): New Method.
8105         (Arm_relocate_functions::arm_grp_ldrs): New Method.
8106         (Arm_relocate_functions::arm_grp_ldc): New Method.
8107         (Target_arm::Scan::local): Handle the ARM group relocations.
8108         (Target_arm::Scan::global): Likewise.
8109         (Target_arm::Relocate::relocate): Likewise.
8110         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8111         Likewise.
8112
8113 2010-01-26  Doug Kwan  <dougkwan@google.com>
8114
8115         * arm.cc (set): Include.
8116         (class Arm_exidx_fixup): Change type of last_input_section_ to const
8117         pointer type.
8118         (Arm_output_section::Text_section_list): New type.
8119         (Arm_output_section::append_text_sections_to_list): New method.
8120         (Arm_output_section::fix_exidx_coverage): Ditto.
8121         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
8122         (Arm_relobj::convert_input_section_to_relaxed_section): Use
8123         Relobj::set_section_offset() instead of
8124         Sized_relobj::invalidate_section_offset().
8125         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
8126         parameter for section headers. Ignore relocation sections for
8127         unallocated sections and EXIDX sections.
8128         (Target_arm::fix_exidx_coverage): New method.
8129         (Target_arm::output_section_address_less_than): New type.
8130         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
8131         linked text section instead of the EXIDX section.
8132         (Arm_output_section::create_stub_group): Add an assertion to check
8133         that this is not an EXIDX output section.
8134         (Arm_output_section::append_text_sections_to_list): New method.
8135         (Arm_output_section::fix_exidx_coverage): Ditto.
8136         (Arm_relobj::scan_sections_for_stubs): Adjust call to
8137         Arm_relobj::section_needs_reloc_stub_scanning.
8138         (Target_arm::do_relax): Fix EXIDX output section coverage in the
8139         first pass.
8140         (Target_arm::fix_exidx_coverage): New method.
8141         * object.h (Relobj::set_output_section): New method.
8142         (Sized_relobj::invalidate_section_offset): Remove method.
8143         (Sized_relobj::do_invalidate_section_offset): Remove method.
8144         (Sized_relobj::do_set_section_offset): Handle offset value -1.
8145
8146 2010-01-25  Doug Kwan  <dougkwan@google.com>
8147
8148         * arm.cc (Arm_exidx_merged_section::do_output_offset):
8149         Fix warning due to signed and unsigned comparison on a 32-bit host.
8150
8151 2010-01-22  Doug Kwan  <dougkwan@google.com>
8152
8153         * arm.cc (Target_arm::do_relax): Record an output section for section
8154         offset adjustment it contains any stub table that has changed.
8155         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
8156         offsets in an output section if necessary.
8157         * output.cc (Output_section::Output_section): Initialize
8158         section_offsets_need_adjustments_.
8159         (Output_section::add_input_section_for_script): Renamed to
8160         Output_section::add_simple_input_section.
8161         (Output_section::save_states): Add a comment.
8162         (Output_section::discard_states): New method defintion.
8163         (Output_section::adjust_section_offsets): Same.
8164         * output.h (Output_section::add_input_section_for_script): Renamed to
8165         Output_section::add_simple_input_section.
8166         (Output_section::discard_states): New method declaration.
8167         (Output_section::adjust_section_offsets): Same.
8168         (Output_section::section_offsets_need_adjustment,
8169         Output_section::set_section_offsets_need_adjustment): New method
8170         definitions.
8171         (Output_section::section_offsets_need_adjustment_): New data member.
8172         * script-sections.cc
8173         (Output_section_element_input::set_section_address): Adjust code for
8174         renaming of Output_section::add_input_section_for_script.
8175         (Orphan_output_section::set_section_address): Same.
8176
8177 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8178
8179         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
8180         Fix_v4bx enum values .
8181         * gold/options.h (General_options): New option definitions.
8182         (General_options::fix_v4bx): New method.
8183         (General_options::Fix_v4bx): New enum.
8184         * gold/options.cc (General_options::parse_fix_v4bx): New method.
8185         (General_options::parse_fix_v4bx_interworking): New method.
8186
8187 2010-01-22  Doug Kwan  <dougkwan@google.com>
8188
8189         * arm.cc (Arm_exidx_fixup): New class.
8190
8191 2010-01-21  Doug Kwan  <dougkwan@google.com>
8192
8193         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
8194         classes.
8195         (Arm_exidx_section_offset_map): New type.
8196
8197 2010-01-21  Doug Kwan  <dougkwan@google.com>
8198
8199         * arm.cc (Arm_exidx_input_section): New class.
8200         (Arm_relobj::exidx_input_section_by_link,
8201         Arm_relobj::exidx_input_section_by_shndx,
8202         Arm_relobj::make_exidx_input_section): New methods.
8203         (read_arm_attributes_section): Remove.
8204         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
8205         information about them.
8206         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
8207         to here.
8208
8209 2010-01-20  Doug Kwan  <dougkwan@google.com>
8210
8211         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
8212         Input_section_specifier to Section_id.
8213         (Target_arm::new_arm_input_section: Adjust code for change of key
8214         type.
8215         (Target_arm::find_arm_input_section): Ditto.
8216         * gc.h (object.h): Include for Section_id nand Section_id_hash.
8217         (Section_id): Remove.
8218         (Garbage_collection::Section_id_hash): Remove.
8219         * icf.h (object.h): Include for Section_id nand Section_id_hash.
8220         (Section_id): Remove.
8221         (Icf::Section_id_hash): Remove.
8222         * object.h (Section_id, Const_section_id, Section_id_hash,
8223         Const_section_id_hash): New type definitions.
8224         * output.cc (Output_section::add_relaxed_input_section): Change to
8225         use Const_section_id instead of Input_section_specifier as key type.
8226         (Output_section::add_merge_input_section): Ditto.
8227         (Output_section::build_relaxation_map): Change to use Section_id
8228         instead of Input_section_specifier as key type.
8229         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8230         Ditto.
8231         (Output_section::convert_input_sections_to_relaxed_sections): Change
8232         to use Const_section_id instead of Input_section_specifier as key type.
8233         (Output_section::find_merge_section): Ditto.
8234         (Output_section::find_relaxed_input_section): Ditto.
8235         * output.h (Input_section_specifier): Remove class.
8236         (Output_section::Output_section_data_by_input_section_map): Change
8237         key type to Const_section_id.
8238         (Output_section::Output_relaxed_input_section_by_input_section_map):
8239         Ditto.
8240         (Output_section::Relaxation_map): Change key type to Section_id.
8241
8242 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8243
8244         * gold/arm.cc: Added support for R_ARM_V4BX relocation
8245         (class Arm_v4bx_stub): New class.
8246         (DEF_STUBS): Updated definition to support v4_veneer_bx.
8247         (Stub_factory::make_arm_v4bx_stub): New method.
8248         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
8249         (Stub_table::empty): Handle v4bx stubs.
8250         (Stub_table::add_arm_v4bx_stub): New method.
8251         (Stub_table::find_arm_v4bx_stub): New method.
8252         (Arm_relocate_functions::v4bx): New method.
8253         (Target_arm::fix_v4bx): New method.
8254         (Target_arm::Target_arm): Handle R_ARM_V4BX.
8255         (Stub_table::relocate_stubs): Likewise.
8256         (Stub_table::do_write): Likewise.
8257         (Stub_table::update_data_size_and_addralign): Likewise.
8258         (Stub_table::finalize_stubs):  Likewise.
8259         (Target_arm::Scan::local): Likewise.
8260         (Target_arm::Scan::global): Likewise.
8261         (Target_arm::do_finalize_sections): Likewise.
8262         (Target_arm::Relocate::relocate): Likewise.
8263         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8264         Likewise.
8265         (Target_arm::scan_reloc_for_stub): Likewise.
8266         (Target_arm::scan_reloc_section_for_stubs): Likewise.
8267
8268 2010-01-19  Ian Lance Taylor  <iant@google.com>
8269
8270         * output.cc (Output_section_headers::do_sized_write): Write large
8271         segment count to sh_info field.
8272         (Output_file_header::do_sized_write): For large segment count,
8273         write PN_XNUM to e_phnum field.
8274
8275 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8276
8277         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
8278         (Arm_relocate_functions::thm_jump8): New function.
8279         (Arm_relocate_functions::thm_jump11): New function.
8280         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
8281         R_ARM_THM_JUMP11.
8282         (Target_arm::Scan::global): Likewise.
8283         (Target_arm::Relocate::relocate): Likewise.
8284         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8285         Likewise.
8286
8287 2010-01-14  Doug Kwan  <dougkwan@google.com>
8288
8289         * arm.cc (map, utility): Include headers.
8290         (Target_arm::apply_cortex_a8_workaround): New method.
8291         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
8292         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
8293         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
8294         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
8295         the --[no-]fix-cortex-a8 command line options.
8296         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
8297         (Target_arm::relocate_stub): Use addend in instruction template.
8298         * options.h (DEFINE_bool): Set the user-set flag.
8299         (General_options): Add --[no-]-fix-cortex options.
8300         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
8301         : Update fast look-up map after conversion.
8302
8303 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
8304
8305         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
8306         in the first pass of do_layout.
8307
8308 2010-01-13  Doug Kwan  <dougkwan@google.com>
8309
8310         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
8311         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
8312         apparent compiler problem of not folding static constant integral
8313         data members of elfcpp::Elf_sizes<32>.
8314
8315 2010-01-13  Doug Kwan  <dougkwan@google.com>
8316
8317         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
8318         Arm_relobj::section_needs_cortex_a8_stub_scanning,
8319         Arm_relobj::scan_section_for_cortex_a8_erratum,
8320         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
8321         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
8322         sections to scan for relocation stubs into a new method
8323         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
8324         relocation and Cortex-A8 stub scanning.
8325         (Target_arm::do_relax): Force stubs to be after stubbed sections
8326         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
8327         the beginning of a new relaxation pass.  Update a comment.
8328         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
8329
8330 2010-01-12  Ian Lance Taylor  <iant@google.com>
8331
8332         * target-reloc.h (visibility_error): New inline function.
8333         (relocate_section): Call visibility_error.
8334         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
8335         (MOSTLYCLEANFILES): Likewise.
8336         (protected_4_pic.o, protected_3.err): New targets.
8337         * testsuite/protected_4.cc: New file.
8338
8339 2010-01-12  Doug Kwan  <dougkwan@google.com>
8340
8341         * arm.cc (Cortex_a8_reloc): New class.
8342         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
8343         and cortex_a8_relocs_info_.
8344         (Target_arm::fix_cortex_a8): New method definition.
8345         (Target_arm::Cortex_a8_relocs_info): New type.
8346         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
8347         New data member declarations.
8348         (Target_arm::scan_reloc_for_stub): Record information about
8349         relocations for THUMB branches that might be exempted from the
8350         Cortex-A8 workaround.
8351         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
8352         at the beginning of a relaxation pass.
8353
8354 2010-01-12  Doug Kwan  <dougkwan@google.com>
8355
8356         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
8357         (Arm_relobj::Mapping_symbol_position,
8358          Arm_reloj::Mapping_symbol_position_less,
8359          Arm_relobj::Mapping_symbols_info): New types.
8360         (Target_arm::is_mapping_symbol_name): New method definition.
8361         (Arm_relobj::do_count_local_symbols): Save information about mapping
8362         symbols.
8363
8364 2010-01-11  Doug Kwan  <dougkwan@google.com>
8365
8366         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
8367         Arm_relocate_functions::thumb32_branch_upper,
8368         Arm_relocate_functions::thumb32_branch_lower,
8369         Arm_relocate_functions::thumb32_cond_branch_offset,
8370         Arm_relocate_functions::thumb32_cond_branch_upper,
8371         Arm_relocate_functions::thumb32_cond_branch_lower,
8372         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
8373         branch offset encoding.
8374         (Arm_relocate_functions::thumb_branch_common): Use new branch
8375         offset encoding methods to avoid code duplication.
8376         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
8377         (Stub_addend_reader::operator()): Use new branch encoding method
8378         to avoid code duplication.
8379
8380 2010-01-11  Doug Kwan  <dougkwan@google.com>
8381
8382         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
8383         (Target_arm::do_finalize_sections): Define special EXIDX section
8384         symbols only if referenced.
8385         * gc.h (Garbage_collection::add_reference): New method.
8386         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
8387         code duplication.
8388
8389 2010-01-11  Ian Lance Taylor  <iant@google.com>
8390
8391         * script.cc (Version_script_info::build_expression_list_lookup):
8392         Change complaing about duplicate wildcard match from error to
8393         warning.
8394
8395         * script.cc (class Lazy_demangler): Recreate--revert part of patch
8396         of 2009-12-30.
8397         (Version_script_info::Version_script_info): Initialize globs_,
8398         default_version_, default_is_global_, and exact_.  Don't
8399         initialize globals_ or locals_.
8400         (Version_script_info::build_lookup_tables): Build local symbols
8401         first.
8402         (Version_script_info::unquote): New function.
8403         (Version_script_info::add_exact_match): New function.
8404         (Version_script_info::build_expression_list_lookup): Remove lookup
8405         parameter.  Add is_global parameter.  Change all callers.  Handle
8406         wildcard pattern specially.  Unquote pattern.  Call
8407         add_exact_match.
8408         (Version_script_info::get_name_to_match): New function.
8409         (Version_script_info::get_symbol_version): New function.
8410         (Version_script_info::get_symbol_version_helper): Remove.
8411         (Version_script_info::check_unmatched_names): Call unquote.
8412         * script.h (class Version_script_info): Change get_symbol_version
8413         to be non-inline and add is_global parameter; change all callers.
8414         Rewrite symbol_is_local.  Update declarations.  Define struct
8415         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
8416         Remove globals_ and locals_ members.  Add exact_, globs_,
8417         default_version_, is_global_.
8418         (Version_script_info::Glob): Remove pattern, add expression and
8419         is_global.  Update constructor.  Change all callers.
8420         * dynobj.cc (Versions::finalize): Mark the version symbol as the
8421         default version.
8422         (Versions::symbol_section_contents): If a symbol is undefined, or
8423         defined in a dynamic object, set the version index to
8424         VER_NDX_LOCAL.
8425         * symtab.cc (Symbol_table::add_from_relobj): Don't call
8426         symbol_is_local.
8427         (Symbol_table::add_from_pluginobj): Likewise.
8428         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
8429
8430 2010-01-11  Doug Kwan  <dougkwan@google.com>
8431
8432         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
8433         (incremental_dump_LDADD): Add linking option for libintl.
8434         * Makefile.in: Regenerate.
8435
8436 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
8437
8438         PR gold/11144
8439         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
8440         instead of -Ds.
8441         * testsuite/Makefile.in: Regenerated.
8442
8443 2010-01-10  Doug Kwan  <dougkwan@google.com>
8444
8445         * options.h (DEFINE_var): Use parentheses around argument varname__
8446         in macro body to avoid any unintended subsequent substitutions.
8447
8448 2010-01-10  Ian Lance Taylor  <iant@google.com>
8449
8450         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
8451         candidates before doing symbol resolution.
8452
8453         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
8454         ODR candidates if only one is weak.
8455
8456 2010-01-08  Ian Lance Taylor  <iant@google.com>
8457
8458         * script.cc (Version_script_info::build_expression_list_lookup):
8459         Don't warn about ambiguous version, just record the ambiguity.
8460         (Version_script_info::get_symbol_version_helper): Give error if
8461         version is ambiguous.
8462
8463 2010-01-08  Doug Kwan  <dougkwan@google.com>
8464
8465         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
8466         prev_data_size_ and prev_addralign_.  Remove initializer for
8467         deleted data member has_been_changed_.
8468         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
8469         to determine if the table is empty.
8470         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
8471         Remove.
8472         (Stub_table::add_reloc_stub): Define method in class definition
8473         instead of just declaring it there.
8474         (Stub_table::add_cortex_a8_stub): New method definition.
8475         (Stub_table::update_data_size_and_addralign): Ditto.
8476         (Stub_table::finalize_stubs): Ditto.
8477         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
8478         (Stub_table::do_addralign_): Return address alignment in the
8479         (Stub_table::do_reset_address_and_file_offset): Define method in
8480         class definition instead of declaring it there.  Set current data
8481         size to be the data size of the previous pass.
8482         (Stub_table::set_final_data_size): Use current data size as the
8483         final data size.
8484         (Stub_table::relocate_stub): Change parameter type of stub from
8485         Reloc_stub pointer to Stub pointer.
8486         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
8487         (Stub_table::Cortex_a8_stub_list): New typedef.
8488         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
8489          Stub_table::prev_addralign_): New data member.
8490         (Arm_relobj::Arm_relobj): Initialize data member
8491         section_has_cortex_a8_workaround_.
8492         (Arm_relobj::section_has_cortex_a8_workaround,
8493          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
8494          definitions.
8495         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
8496         declarations.
8497         (Target_arm::relocate_stub): Change parameter type of stub from
8498         Reloc_stub pointer to Stub pointer.
8499         (Insn_template::size, Insn_template::alignment): Handle
8500         THUMB16_SPECIAL_TYPE.
8501         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
8502          Stub_table::update_data_size_and_addralign,
8503          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
8504         definitions.
8505         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
8506         (Stub_table::do_write): Ditto.
8507         (Target_arm::do_relax): Adjust code for changes in Stub_table.
8508
8509 2010-01-08  Ian Lance Taylor  <iant@google.com>
8510
8511         PR 11108
8512         * symtab.h (class Symbol): Remove fields is_target_special_ and
8513         has_plt_offset_.  Add field is_defined_in_discarded_section_.
8514         (Symbol::is_defined_in_discarded_section): New function.
8515         (Symbol::set_is_defined_in_discarded_section): New function.
8516         (Symbol::has_plt_offset): Rewrite.
8517         (Symbol::set_plt_offset): Verify that new offset is not -1U.
8518         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
8519         Don't initialize is_target_special_ or has_plt_offset_.
8520         Initialize is_defined_in_discarded_section_.
8521         (Symbol_table::add_from_relobj): If appropriate, set
8522         is_defined_in_discarded_section.
8523         * resolve.cc (Symbol::override_base_with_special): Don't test
8524         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
8525         * target-reloc.h (relocate_section): Do special handling for
8526         symbols defined in discarded sections for global symbols as well
8527         as local symbols.
8528
8529 2010-01-08  Ian Lance Taylor  <iant@google.com>
8530
8531         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
8532         the SHT_SYMTAB case.
8533
8534 2010-01-08  Ian Lance Taylor  <iant@google.com>
8535
8536         * object.cc (Sized_relobj::do_layout): Don't get confused if
8537         layout_eh_frame returns NULL.
8538
8539 2010-01-08  Ian Lance Taylor  <iant@google.com>
8540
8541         PR 11084
8542         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
8543         dynamic symbol table, use the normal symbol table.
8544         (Sized_dynobj::do_read_symbols): Remove assertion about type of
8545         symbol table.
8546
8547 2010-01-08  Ian Lance Taylor  <iant@google.com>
8548
8549         PR 11072
8550         * layout.cc (Layout::include_section): Remove .gnu_debuglink
8551         sections.
8552
8553 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
8554
8555         * version.cc (print_version): Change to "Copyright 2010".
8556
8557 2010-01-08  Ian Lance Taylor  <iant@google.com>
8558
8559         PR 10287
8560         PR 11063
8561         * i386.cc (class Target_i386): Change return type of plt_section
8562         to be non-const.
8563         (class Output_data_plt_i386): Add tls_desc_rel_ field.
8564         (Output_data_plt_i386::Output_data_plt_i386): Initialize
8565         tls_desc_rel_ field.
8566         (Output_data_plt_i386::rel_tls_desc): New function.
8567         (Target_i386::rel_tls_desc_section): New function.
8568         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
8569         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
8570         R_386_TLS_DESC reloc in rel_tls_desc_section.
8571         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
8572         Define struct Tlsdesc_info.
8573         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
8574         (Target_x86_64::do_reloc_symbol_index): New function.
8575         (Target_x86_64::add_tlsdesc_info): New function.
8576         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
8577         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
8578         tlsdesc_rel_ field.
8579         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
8580         all callers.
8581         (Output_data_plt_x86_64::rela_tlsdesc): New function.
8582         (Target_x86_64::rela_tlsdesc_section): New function.
8583         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
8584         handling.
8585         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
8586         (Target_x86_64::do_reloc_addend): New function.
8587         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
8588         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
8589         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
8590         (Output_reloc::type): New function.
8591         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
8592         (Output_reloc::is_target_specific): New function.
8593         (Output_reloc::target_arg): New function.
8594         (class Output_reloc) [SHT_RELA]: Add four new constructors for
8595         absolute relocs and target specific relocs.
8596         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
8597         add_target_specific.
8598         (class Output_data_reloc) [SHT_RELA]: Likewise.
8599         * output.cc (Output_reloc::Output_reloc): Add four new versions
8600         for absolute relocs and target specific relocs.
8601         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
8602         (Output_reloc::get_symbol_index): Likewise.
8603         (Output_reloc::local_section_offset): Check that local_sym_index_
8604         is not TARGET_CODE or 0.
8605         (Output_reloc::symbol_value): Likewise.
8606         (Output_reloc::write) [SHT_RELA]: Call target for target specific
8607         reloc.
8608         * target.h (class Target): Add reloc_symbol_index and reloc_addend
8609         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
8610         functions.
8611         * layout.cc (add_target_dynamic_tags): Use output section for
8612         DT_PLTRELSZ and DT_JMPREL.
8613
8614 2010-01-07  Ian Lance Taylor  <iant@google.com>
8615
8616         PR 11061
8617         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
8618         function.
8619         (class Output_data_reloc_generic): Define.
8620         (class Output_data_reloc_base): Change base class to
8621         Output_data_reloc_generic.  Change add() method to call
8622         bump_relative_reloc_count for a relative reloc.  Remove
8623         sort_relocs_ field.
8624         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
8625         to sort_relocs().
8626         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
8627         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
8628         appropriate.
8629         * layout.h (class Layout): Update declaration.
8630
8631 2010-01-07  Ian Lance Taylor  <iant@google.com>
8632
8633         * output.h (class Output_data): Add const version of
8634         output_section and do_output_section.
8635         (class Output_section_data): Add const version of
8636         do_output_section.
8637         (class Output_section): Likewise.
8638         * layout.cc (Layout::add_target_dynamic_tags): New function.
8639         * layout.h (class Layout): Update declarations.
8640         * arm.cc (Target_arm::do_finalize_sections): Use
8641         add_target_dynamic_tags.
8642         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8643         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8644         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8645         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8646
8647 2010-01-07  Ian Lance Taylor  <iant@google.com>
8648
8649         PR 11042
8650         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
8651         object as needed.
8652
8653 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
8654             Ian Lance Taylor  <iant@google.com>
8655
8656         PR 11019
8657         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
8658         Xindex::read_symtab_xindex.
8659
8660 2010-01-07  Doug Kwan  <dougkwan@google.com>
8661
8662         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
8663         (Insn_template::thumb16_bcond_insn): New method declaration.
8664         (Insn_template): Fix spelling.
8665         (Stub::thumb16_special): New method declaration.
8666         (Stub::do_write): Define virtual method which was previously pure
8667         virtual.
8668         (Stub::do_thumb16_special): New method declaration.
8669         (Stub::do_fixed_endian_write): New template member.
8670         (Reloc_stub::do_write): Remove.
8671         (Reloc_stub::do_fixed_endian_write): Remove.
8672         (Cortex_a8_stub): New class definition.
8673         (Stub_factory::make_cortex_a8_stub): New method definition.
8674         (Stub_factory::Stub_factory): Add missing static storage class
8675         qualifier for elf32_arm_stub_a8_veneer_blx.
8676
8677 2010-01-07  Ian Lance Taylor  <iant@google.com>
8678
8679         PR 10980
8680         * options.h (class General_options): Add --warn-unresolved-symbols
8681         and --error-unresolved-symbols.
8682         * errors.cc (Errors::undefined_symbol): Implement
8683         --warn-unresolved-symbols.
8684
8685         * options.h (class General_options): Add -z text and -z textoff.
8686         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
8687
8688 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
8689
8690         * gc.h (Garbage_collection::Cident_section_map): New typedef.
8691         (Garbage_collection::cident_sections): New function.
8692         (Garbage_collection::add_cident_section): New function.
8693         (Garbage_collection::cident_sections_): New member.
8694         (gc_process_relocs): Add references to sections whose names are C
8695         identifiers.
8696         * gold.h (cident_section_start_prefix): New constant.
8697         (cident_section_stop_prefix): New constant.
8698         (is_cident): New function.
8699         * layout.cc (Layout::define_section_symbols): Replace string constants
8700         with the newly defined constants.
8701         * object.cc (Sized_relobj::do_layout): Track sections whose names are
8702         C identifiers.
8703         * testsuite/Makefile.am: Add gc_orphan_section_test.
8704         * testsuite/Makefile.in: Regenerate.
8705         * testsuite/gc_orphan_section_test.cc: New file.
8706         * testsuite/gc_orphan_section_test.sh: New file.
8707
8708 2010-01-06  Ian Lance Taylor  <iant@google.com>
8709
8710         PR 10980
8711         * options.h (class General_options): Add --warn-shared-textrel.
8712         * layout.cc (Layout::finish_dynamic_section): Implement
8713         --warn-shared-textrel.
8714
8715         PR 10980
8716         * options.h (class General_options): Add --warn-multiple-gp.
8717
8718 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8719
8720         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
8721         $(THREADSLIB) and $(LIBDL).
8722         * Makefile.in: Rebuild.
8723
8724 2010-01-06  Ian Lance Taylor  <iant@google.com>
8725
8726         PR 10980
8727         * options.cc (General_options::parse_section_start): New function.
8728         (General_options::section_start): New function.
8729         (General_options::General_options): Initialize all members.
8730         * options.h: Include <map>
8731         (class General_options): Add --section-start.  Add section_starts_
8732         member.
8733         * layout.cc (Layout::attach_allocated_section_to_segment): If
8734         --section-start was used, set the address of the segment.  Remove
8735         local sort_sections.
8736         (Layout::relaxation_loop_body): If the address of the load segment
8737         has been set by --section-start, don't use it.
8738         * output.h (Output_segment::update_flags_for_output_section): New
8739         function.
8740         * output.cc (Output_segment::add_output_section): Call
8741         update_flags_for_output_section.
8742
8743 2010-01-05  Ian Lance Taylor  <iant@google.com>
8744
8745         PR 10980
8746         * options.h (class General_options): Add --undefined-version.
8747         * script.cc (struct Version_expression): Add was_matched_by_symbol
8748         field.
8749         (Version_script_info::matched_symbol): New function.
8750         (Version_script_info::get_symbol_version_helper): Call
8751         matched_symbol.
8752         (Version_script_info::check_unmatched_names): New function.
8753         * script.h (class Version_script_info): Update declarations.
8754         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
8755
8756         * options.h (class General_options): Use DEFINE_bool_alias for
8757         allow_multiple_definition.
8758         * resolve.cc (Symbol_table::should_override): Don't test
8759         allow_multiple_definition.
8760
8761         PR 10980
8762         * options.h (class General_options): Add --cref.
8763         * main.cc (main): Print cref table if --cref.  Don't close mapfile
8764         until after printing cref table.
8765         * cref.cc: Include "symtab.h".
8766         (class Cref_inputs): Define Cref_table_compare and Cref_table.
8767         (Cref_table_compare::operator()): New function.
8768         (Cref_inputs::gather_cref): New function.
8769         (filecol): New static const.
8770         (Cref_inputs::print_cref): New function.
8771         (Cref::print_cref): New function.
8772         * cref.h: Include <cstdio>.
8773         (class Cref): Update declarations.
8774         * mapfile.h (Mapfile::file): New function.
8775         * object.h (class Object): Define Symbols.  Declare virtual
8776         do_get_global_symbols.
8777         (Object::get_global_symbols): New function.
8778         * object.cc (Input_objects::add_object): Pass object to cref_ if
8779         --cref.
8780         (Input_objects::archive_start): Likewise.
8781         (Input_objects::archive_stop): Likewise.
8782         (Input_objects::print_cref): New function.
8783         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
8784         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
8785         --cref.
8786         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
8787         function.
8788         * plugin.h (class Sized_pluginobj): Update declarations.
8789
8790 2010-01-05  Ian Lance Taylor  <iant@google.com>
8791
8792         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
8793         to is_default_version.  Rename insdef to insdefault.
8794         (Symbol_table::add_from_relobj): Rename def to is_default_version
8795         and local to is_forced_local.
8796         (Symbol_table::add_from_pluginobj): Likewise.
8797         (Symbol_table::add_from_dynobj): Likewise.
8798         (Symbol_table::define_special_symbol): Rename insdef to
8799         insdefault.
8800
8801 2010-01-04  Ian Lance Taylor  <iant@google.com>
8802
8803         PR 10980
8804         * options.h (class General_options): Add
8805         --allow-multiple-definition and -z muldefs.
8806         * resolve.cc (Symbol_table::should_override): Don't warn about a
8807         multiple symbol definition if --allow-multiple-definition or -z
8808         muldefs.
8809
8810         PR 10980
8811         * options.h (class General_options): Add --add-needed and
8812         --copy-dt-needed-entries.  Tweak --as-needed help entry.
8813         * object.cc (Input_objects::check_dynamic_dependencies): Give an
8814         error if --copy-dt-needed-entries aka --add-needed is used and
8815         would cause a change in behaviour.
8816
8817         PR 10980
8818         * options.h (class General_options): Add -G as a short version of
8819         --shared.  Add no-op options -assert, -g, and -i.
8820
8821 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
8822
8823         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
8824         check for .text or .gnu.linkonce.t sections.
8825         * icf.cc (Icf::find_identical_sections): Ditto.
8826         Change the detection for mangled function name within the section
8827         name.
8828         * icf.h (is_section_foldable_candidate): New function.
8829
8830 2009-12-30  Ian Lance Taylor  <iant@google.com>
8831
8832         PR 10980
8833         * options.h (class General_options): Permit two dashes with
8834         --retain-symbols-file.
8835
8836 2009-12-30  Ian Lance Taylor  <iant@google.com>
8837
8838         PR 10979
8839         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
8840         don't put the file header and segment headers in the text
8841         segment.
8842
8843         PR 10979
8844         * common.cc (Sort_commons::operator()): Stabilize sort when both
8845         entries are NULL.
8846         (Symbol_table::do_allocate_commons_list): When allocating common
8847         symbols, skip a symbol which is no longer common.
8848         * symtab.h (Symbol::is_common): Test whether the symbol comes from
8849         an object before checking its type.
8850         * testsuite/common_test_2.c: New file.
8851         * testsuite/common_test_3.c: New file.
8852         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
8853         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
8854         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
8855         (common_test_2_pic.o, common_test_2.so): New targets.
8856         (common_test_3_pic.o, common_test_3.so): New targets.
8857         * testsuite/Makefile.in: Rebuild.
8858
8859         PR 10979
8860         * script.cc (read_input_script): If we see a new SECTIONS clause,
8861         and we have added an input section, give an error.
8862         * layout.h (class Layout): Add have_added_input_section function.
8863         Add have_added_input_section_ field.
8864         * layout.cc (Layout::Layout): Initialize
8865         have_added_input_section_.
8866         (Layout::layout): Set have_added_input_section_.
8867         (Layout::layout_eh_frame): Likewise.
8868
8869 2009-12-30  Ian Lance Taylor  <iant@google.com>
8870
8871         PR 10931
8872         * options.h (class General_options): Add --sort-common option.
8873         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
8874         * common.cc (Sort_common): Add sort_order parameter to
8875         constructor.  Add sort_order_ field.
8876         (Sort_commons::operator): Check sort_order_.
8877         (Symbol_table::allocate_commons): Determine the sort order.
8878         (Symbol_table::do_allocate_commons): Add sort_order parameter.
8879         Change all callers.
8880         (Symbol_table::do_allocate_commons_list): Likewise.
8881
8882 2009-12-30  Ian Lance Taylor  <iant@google.com>
8883
8884         PR 10916
8885         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
8886         symbols from this object, don't change the visibility of an
8887         undefined symbol.
8888         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
8889
8890 2009-12-30  Ian Lance Taylor  <iant@google.com>
8891
8892         PR 10861
8893         * script.h (class Version_script_info): Define Language enum.
8894         Update declarations.  Define Glob, Exact, and Lookup types.  Add
8895         new fields globals_, locals_, and is_finalized_.
8896         * script.cc: Various formatting fixes.
8897         (class Parser_closure): Change language_stack_ from a vector of
8898         std::string to one of Version_script_info::Language.  Adjust all
8899         uses accordingly.
8900         (class Lazy_demangler): Remove.
8901         (struct Version_expression): Change language from std::string to
8902         Version_script_info::Language.
8903         (Version_script_info::Version_script_info): New function.
8904         (Version_script_info::~Version_script_info): Don't call clear.
8905         (Version_script_info::finalize): New function.
8906         (Version_script_info::build_lookup_tables): New function.
8907         (Version_script_info::build_expression_list_lookup): New
8908         function.
8909         (Version_script_info::get_symbol_version_helper): Rewrite to use
8910         lookup tables.
8911         (Version_script_info::print_expression_list): Adjust to use
8912         Version_script_info::Language.
8913         (script_push_lex_into_version_mode): Check that the version script
8914         has not been finalized.
8915         (version_script_push_lang): Change language string to
8916         Version_script_info::Language.
8917         * options.cc (Command_line::version_script): New function.
8918         * options.h (class General_options): Add finalize_dynamic_list
8919         function.  Change version_script from declaration to definition.
8920         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
8921         * testsuite/version_script.map: Remove duplicate def of foo.
8922         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
8923         version_script.map.
8924         * testsuite/Makefile.in: Rebuild.
8925
8926 2009-12-30  Ian Lance Taylor  <iant@google.com>
8927
8928         PR 10843
8929         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
8930         if the input symbol index is 0, make the output symbol index 0.
8931
8932 2009-12-30  Ian Lance Taylor  <iant@google.com>
8933
8934         PR 10670
8935         * options.h (class General_options): Add -x/--discard-all.
8936         * object.cc (Sized_relobj::do_count_local_symbols): Handle
8937         --discard-all.  If the local symbol needs a dynamic entry, check
8938         that before handling --discard-locals.
8939
8940 2009-12-30  Ian Lance Taylor  <iant@google.com>
8941
8942         PR 10450
8943         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
8944         flags to PF_R.
8945         (Output_segment::add_output_section): Don't change the flags if
8946         the type is PT_TLS.
8947
8948         PR 10450
8949         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
8950         GNU hash table if they need a dynamic value.  Otherwise, don't add
8951         them if they are defined in a dynamic object or are forced local.
8952
8953 2009-12-29  Ian Lance Taylor  <iant@google.com>
8954
8955         PR 10450
8956         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
8957         .gnu.hash table for a 32-bit target.
8958
8959         PR 10450
8960         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
8961         regular and a dynamic object only needs a dynamic symbol table
8962         entry if it is externally visible.
8963
8964         PR 10450
8965         * i386.cc (class Target_i386): Initialize global_offset_table_ in
8966         constructor.  Add global_offset_table_ field.
8967         (Target_i386::got_section): Set global_offset_table_.
8968         (Target_i386::do_finalize_sections): Set global_offset_table_
8969         size.
8970         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
8971         in constructor.  Add global_offset_table_ field.
8972         (Target_x86_64::got_section): Set global_offset_table_.
8973         (Target_x86_64::do_finalize_sections): Set global_offset_table_
8974         size.
8975
8976         * layout.cc (Layout::Layout): Initialize increase_relro_.
8977         (Layout::get_output_section): Add is_relro, is_last_relro, and
8978         is_first_non_relro parameters.  Change all callers.
8979         (Layout::choose_output_section): Likewise.
8980         (Layout::add_output_section_data): Likewise.
8981         (Layout::make_output_section): Likewise.
8982         (Layout::set_segment_offsets): Clear increase_relro when using a
8983         linker script.
8984         * layout.h (class Layout): Add increase_relro method.  Add
8985         increase_relro_ field.  Update declarations.
8986         * output.cc (Output_section::Output_section): Initialize
8987         is_last_relro_ and is_first_non_relro_.
8988         (Output_segment::add_output_section): Group relro sections is
8989         do_sort is true.  Handle is_last_relro and is_first_non_relro.
8990         (Output_segment::maximum_alignment): Remove relro handling.
8991         (Output_segment::set_section_addresses): Add increase_relro
8992         parameter.  Change all callers.  Add initial alignment to align
8993         relro sections on separate page.  Remove old relro handling.
8994         (Output_segment::set_section_list_addresses): Remove in_relro
8995         parameter.  Change all callers.
8996         (Output_segment::set_offset): Add increase parameter.  Change all
8997         callers.  Remove old relro handling.
8998         * output.h (class Output_section): Add new methods: is_last_relro,
8999         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
9000         Add is_last_relro_ and is_first_non_relro_ fields.
9001         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
9002         Create separate .got.plt section.  Call increase_relro.
9003         * x86_64.cc (Target_x86_64::got_section): Likewise.
9004         * testsuite/relro_script_test.t: Add .got.plt.
9005
9006         PR 10450
9007         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
9008         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
9009         (Layout::finalize): Call set_dynamic_symbol_size.
9010         (Layout::set_dynamic_symbol_size): New function.
9011         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
9012         set_dynamic_symbol_size.
9013
9014         PR 10450
9015         * output.h (class Output_section): Add is_entsize_zero_ field.
9016         * output.cc (Output_section::Output_section): Initialize
9017         is_entsize_zero_.
9018         (Output_section::set_entsize): If two different entsizes are
9019         requested, force it to zero.
9020         (Output_section::add_input_section): Set flags for .debug_str
9021         before updating section flags.  Set entsize.
9022         (Output_section::update_flags_for_input_section): Set SHF_MERGE
9023         and SHF_STRING if all input sections have those flags.
9024
9025 2009-12-29   Rafael Espindola  <espindola@google.com>
9026
9027         * main.cc (main): Fix the sys time reporting.
9028         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
9029         reporting.
9030
9031 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
9032
9033         * options.cc (General_options::parse_version): Allow -v to exit
9034         without an error if there is nothing to link.
9035
9036 2009-12-29  Ian Lance Taylor  <iant@google.com>
9037
9038         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
9039         using a version of gcc before 4.1.
9040         * configure: Rebuild.
9041
9042 2009-12-28  Chris Demetriou  <cgd@google.com>
9043
9044         * attributes.cc (Output_attributes_section_data::do_write): Use
9045         std::vector::front rather than std::vector::data.
9046
9047 2009-12-28  Ian Lance Taylor  <iant@google.com>
9048
9049         * symtab.h (class Symbol_table): Add enum Defined.
9050         * resolve.cc (Symbol_table::should_override): Add defined
9051         parameter.  Change all callers.  Test whether object is NULL
9052         before calling a method on it.
9053         (Symbol_table::report_resolve_problem): Add defined parameter.
9054         Change all callers.
9055         (Symbol_table::should_override_with_special): Likewise.
9056         * symtab.cc (Symbol_table::define_in_output_data): Add defined
9057         parameter.  Change all callers.
9058         (Symbol_table::do_define_in_output_data): Likewise.
9059         (Symbol_table::define_in_output_segment): Likewise.
9060         (Symbol_table::do_define_in_output_segment): Likewise.
9061         (Symbol_table::define_as_constant): Likewise.
9062         (Symbol_table::do_define_as_constant): Likewise.
9063         * script.h (class Symbol_assignment): Add is_defsym parameter to
9064         constructor; change all callers.
9065         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
9066         parameter.  Change all callers.  Add is_defsym_ field.
9067         (class Parser_closure): Add parsing_defsym parameter to
9068         constructor; change all callers.  Add parsing_defsym accessor
9069         function.  Add parsing_defsym_ field.
9070
9071 2009-12-28  Ian Lance Taylor  <iant@google.com>
9072
9073         * gold.cc (queue_middle_tasks): Fix formatting.
9074         * object.cc (Relobj::is_section_name_included): Likewise.
9075
9076 2009-12-23  Ian Lance Taylor  <iant@google.com>
9077
9078         * i386.cc (Target_i386::do_calls_non_split): Recognize
9079         -fsplit-stack prologue for a function with a static chain.
9080         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
9081         -fsplit-stack prologue when using %r11.
9082
9083 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
9084
9085         * options.cc (General_options::parse_version): Make -v continue and do
9086         the link like GNU ld does.
9087
9088 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
9089
9090         * Makefile.am (CCFILES): Add timer.cc.
9091         (HFILES): Add timer.h.
9092         * configure.ac: Check for sysconf and times.
9093         * main.cc: include timer.h.
9094         (main): Use Timer instead of get_run_time.
9095         * timer.cc: New.
9096         * timer.h: New.
9097         * workqueue.cc: include timer.h.
9098         (Workqueue::find_and_run_task):
9099         Report user, sys and wall time.
9100         * Makefile.in: Regenerate.
9101         * config.in: Regenerate.
9102         * configure: Regenerate.
9103
9104 2009-12-16  Doug Kwan  <dougkwan@google.com>
9105
9106         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
9107         sections.
9108         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
9109         relaxed input sections.
9110         * output.cc (Output_section::find_relaxed_input_section): Change
9111         return type to Output_relaxed_input_section pointer.  Adjust code
9112         for new type of relaxed_input_section_map_.
9113         * output.h (Output_section::find_relaxed_input_section): Change
9114         return type to Output_relaxed_input_section pointer.
9115         (Output_section::Output_relaxed_input_section_by_input_section_map):
9116         New type.
9117         (Output_section::relaxed_input_section_map_): Change type to
9118         Output_section::Output_relaxed_input_section_by_input_section_map.
9119         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
9120         input section.
9121
9122 2009-12-15  Ian Lance Taylor  <iant@google.com>
9123
9124         * layout.cc (Layout::create_shstrtab): Only write out after input
9125         sections if we are compressing debug sections.
9126
9127 2009-12-15  Ian Lance Taylor  <iant@google.com>
9128
9129         * archive.cc (Archive::add_symbols): Only look up a symbol without
9130         a version if there is, in fact, a version.
9131
9132 2009-12-14  Ian Lance Taylor  <iant@google.com>
9133
9134         Revert -Wshadow changes, all changes from:
9135         2009-12-11  Doug Kwan  <dougkwan@google.com>
9136         2009-12-11  Nick Clifton  <nickc@redhat.com>
9137         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
9138
9139 2009-12-11  Doug Kwan  <dougkwan@google.com>
9140
9141         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
9142         due to -Wshadow.
9143         * attributes.cc (Object_attribute::size): Ditto.
9144         (Attributes_section_data::size): Ditto.
9145         (Attributes_section_data::Attributes_section_data): Ditto.
9146         (Output_attributes_section_data::do_write): Ditto.
9147         * attributes.h (Object_attribute::set_type): Ditto.
9148         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
9149
9150 2009-12-11  Nick Clifton  <nickc@redhat.com>
9151
9152         * archive.cc: Fix shadowed variable warnings.
9153         * arm.cc: Likewise.
9154         * compressed_output.cc: Likewise.
9155         * compressed_output.h: Likewise.
9156         * configure: Likewise.
9157         * dwarf_reader.cc: Likewise.
9158         * dynobj.cc: Likewise.
9159         * dynobj.h: Likewise.
9160         * ehframe.cc: Likewise.
9161         * ehframe.h: Likewise.
9162         * errors.cc: Likewise.
9163         * expression.cc: Likewise.
9164         * fileread.cc: Likewise.
9165         * fileread.h: Likewise.
9166         * freebsd.h: Likewise.
9167         * i386.cc: Likewise.
9168         * icf.cc: Likewise.
9169         * incremental.h: Likewise.
9170         * layout.cc: Likewise.
9171         * layout.h: Likewise.
9172         * mapfile.cc: Likewise.
9173         * merge.cc: Likewise.
9174         * merge.h: Likewise.
9175         * object.cc: Likewise.
9176         * object.h: Likewise.
9177         * options.h: Likewise.
9178         * output.cc: Likewise.
9179         * output.h: Likewise.
9180         * parameters.cc: Likewise.
9181         * plugin.cc: Likewise.
9182         * powerpc.cc: Likewise.
9183         * reduced_debug_output.cc: Likewise.
9184         * reduced_debug_output.h: Likewise.
9185         * reloc.cc: Likewise.
9186         * reloc.h: Likewise.
9187         * resolve.cc: Likewise.
9188         * script-sections.cc: Likewise.
9189         * script.cc: Likewise.
9190         * script.h: Likewise.
9191         * sparc.cc: Likewise.
9192         * symtab.cc: Likewise.
9193         * symtab.h: Likewise.
9194         * target-select.cc: Likewise.
9195         * target-select.h: Likewise.
9196         * token.h: Likewise.
9197         * workqueue.cc: Likewise.
9198         * workqueue.h: Likewise.
9199         * x86_64.cc: Likewise.
9200
9201 2009-12-10  Doug Kwan  <dougkwan@google.com>
9202
9203         * arm.cc (attributes.h): New include.
9204         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
9205         (Arm_relobj::~Arm_relobj): Delete object pointed by
9206         attributes_section_data_.
9207         (Arm_relobj::attributes_section_data): New method definition.
9208         (Arm_relobj::attributes_section_data_): New data member declaration.
9209         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
9210         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
9211         attributes_section_data_.
9212         (Arm_dynobj::attributes_section_data): New method definition.
9213         (Arm_dynobj::attributes_section_data_): New data member declaration.
9214         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
9215         initialization value of may_use_blx_ to false.
9216         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
9217         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
9218         object attributes to compute results instead of hard-coding.
9219         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
9220         Target_arm::get_secondary_compatible_arch,
9221         Target_arm::set_secondary_compatible_arch
9222         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
9223         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
9224         New method declarations.
9225         (Target_arm::get_aeabi_object_attribute): New method definition.
9226         (Target_arm::attributes_section_data_): New data member declaration.
9227         (read_arm_attributes_section): New template definition.
9228         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
9229         (Arm_dynobj::do_read_symbols): Ditto.
9230         (Target_arm::do_finalize_sections): Merge attributes sections from
9231         input.  Check for BLX use after attributes section merging.
9232         Fix __exidx_start and __exidx_end visibility.  Create an
9233         .ARM.attributes section if necessary.
9234         (Target_arm::get_secondary_compatible_arch,
9235         Target_arm::set_secondary_compatible_arch,
9236         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
9237         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
9238         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
9239         New method definitions.
9240
9241 2009-12-09  Ian Lance Taylor  <iant@google.com>
9242
9243         * plugin.cc (Plugin::load): Don't cast from void* to a function
9244         pointer.
9245
9246 2009-12-09  Ian Lance Taylor  <iant@google.com>
9247
9248         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
9249         information fields.
9250
9251 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
9252
9253         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
9254         Replace two_file_shared_1.so with two_file_shared_2.so.
9255         * testsuite/Makefile.in: Regenerated.
9256
9257 2009-12-08  Doug Kwan  <dougkwan@google.com>
9258
9259         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
9260         (HFILES): Add attributes.h and int_encoding.h.
9261         * Makefile.in: Regenerate.
9262         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
9263         function definitions to int_encoding.cc
9264         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
9265         prototypes to int_encoding.h
9266         * reduced_debug_output.cc (int_encoding.h): New include.
9267         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
9268         function definitions to int_encoding.cc
9269         (insert_into_vector, read_from_pointer): Move template definitions to
9270         int_encoding.h
9271         * attributes.cc: New file.
9272         * attributes.h: New file.
9273         * int_encoding.cc: New file.
9274         * int_encoding.h: New file.
9275
9276 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
9277
9278         PR gold/11055
9279         * incremental-dump.cc (dump_incremental_inputs): New.
9280         (main): Use dump_incremental_inputs.
9281
9282 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
9283
9284         PR gold/10893
9285         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
9286         checking elfcpp::STT_FUNC.
9287         (Target_i386::Relocate::relocate): Likewise.
9288         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
9289
9290         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
9291         symbols from shared libraries into normal FUNC symbols.
9292
9293         * symtab.h (Symbol): Add is_func and use it.
9294
9295 2009-12-05  Doug Kwan  <dougkwan@google.com>
9296
9297         * arm.cc (Target_arm::arm_info): Initialize new fields
9298         attributes_section and attributes_vendor.
9299         * i386.cc (Target_i386::i386_info): Same.
9300         * object.cc (Sized_relobj::do_layout): Skip attribute section.
9301         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
9302         fields attributes_section and attributes_vendor.
9303         * sparc.cc (Target_sparc::sparc_info): Same.
9304         * target.h (Target::attributes_section, Target::attributes_vendor,
9305         Target::is_attributes_section, Target::attribute_arg_type,
9306         Target::attributes_order): New method definitions.
9307         (Target::Target_info::attributes_section,
9308         Target::Target_info::attributes_vendor): New fields.
9309         (Target::do_attribute_arg_type, Target::do_attributes_order): New
9310         virtual method definitions.
9311         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
9312         attributes_section and attributes_vendor.
9313         * testsuite/testfile.cc (Target_test::test_target_info): Same.
9314
9315 2009-12-05  Doug Kwan  <dougkwan@google.com>
9316
9317         * arm.cc: Update comments about interworking and stub generation.
9318         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
9319         considered as non-PIC.
9320         (Arm_relocate_functions::base_abs): Fix formatting.
9321         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
9322         of function to use GOT entry address instead of offset.
9323         (Target_arm::Scan::global): Issue an error if a symbol would need a
9324         PLT does not get one because it is untyped.  Remove code to create
9325         dynamic symbols for relative branches.
9326         (Target_arm::Relocate::relocate: Use 0 instead of false since function
9327         takes unsigned integer instead of boolean.
9328
9329 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
9330
9331         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
9332         (two_file_test_LDADD): Likewise.
9333         (common_test_1_LDADD): Likewise.
9334         (exception_test_LDADD) Likewise.
9335         (weak_test_LDADD): Likewise.
9336         (many_sections_test_LDADD): Likewise.
9337         (initpri1_LDADD): Likewise.
9338         (script_test_1_LDADD): Likewise.
9339         (script_test_2_LDADD): Likewise.
9340         (justsyms_LDADD): Likewise.
9341         (binary_test_LDADD): Likewise.
9342         (large_LDADD): Likewise.
9343         * testsuite/Makefile.in: Regenerated.
9344
9345 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
9346
9347         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
9348         (Symbol_table::override_with_special): Likewise.
9349         (Symbol_table::add_from_object): Likewise.
9350
9351 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
9352
9353         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
9354         Don't set the data_offset twice.
9355
9356 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
9357
9358         * testsuite/Makefile.in: Regenerate.
9359
9360 2009-12-03  Doug Kwan  <dougkwan@google.com>
9361
9362         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
9363         (Target_arm::do_finalize_sections): Add parameter for symbol table
9364         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
9365         * i386.cc (Target_i386::do_finalize_sections): Add an additional
9366         parameter for symbol table pointer.
9367         * layout.cc (Layout::finalize): Call Target::finalize_sections with
9368         an additional parameter for a pointer to symbol table.
9369         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
9370         parameter for a symbol table pointer.
9371         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
9372         * target.h (Target::finalize_sections, Target::do_finalize_sections):
9373         Ditto.
9374         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
9375         parameter for a symbol table pointer.
9376
9377 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
9378
9379         * incremental.cc (Incremental_inputs_header)
9380         (Incremental_inputs_header_write, Incremental_inputs_entry)
9381         (Incremental_inputs_entry_write): Move ...
9382         * incremental.h (Incremental_inputs_header)
9383         (Incremental_inputs_header_write, Incremental_inputs_entry)
9384         (Incremental_inputs_entry_write): here.
9385
9386 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9387
9388         * incremental.cc (make_sized_incremental_binary): Set the target.
9389         Error if it is incompatible.
9390         * output.h (Output_file): Add filename method.
9391
9392 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9393
9394         * incremental.cc (Incremental_inputs_entry): Remove unused argument
9395         from the get_* methods.
9396
9397 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9398
9399         * incremental-dump.cc (main): Check that the offeset of a script is 0.
9400         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
9401         Write 0 for the data_offset of scripts.
9402
9403 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9404
9405         * testsuite/Makefile.am: Add the incremental_test.sh test.
9406         * testsuite/incremental_test.sh: New.
9407         * testsuite/incremental_test_1.c: New.
9408         * testsuite/incremental_test_2.c: New.
9409
9410 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
9411
9412         * incremental-dump.cc (main): Fix typos.
9413
9414 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
9415
9416         PR gold/11025
9417         * incremental-dump.cc (main): Use llu to print 64 bit values.
9418
9419 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
9420             H.J. Lu  <hongjiu.lu@intel.com>
9421
9422         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
9423         $(LIBDL).
9424         (incremental_dump_LDADD): Likewise.
9425         * Makefile.in: Regenerated.
9426
9427 2009-11-25  Doug Kwan  <dougkwan@google.com>
9428
9429         Revert:
9430
9431         2009-11-25  Doug Kwan  <dougkwan@google.com>
9432
9433                 * arm.cc (Target_arm::Target_arm): Move method definition
9434                 outside of class definition.  Add code to handle
9435                 --target1-rel, --target1-abs and --target2= options.
9436                 (Target_arm::get_reloc_reloc_type): Change method to be
9437                 non-static and const.
9438                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
9439                 New data member declaration.
9440                 (Target_arm::Scan::local, Target_arm::Scan::global,
9441                 Target_arm::Relocate::relocate,
9442                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9443                 Adjust call to Target_arm::get_real_reloc_type.
9444                 (Target_arm::get_real_reloc_type): Use command line options
9445                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9446                 * options.h (--target1-rel, --target1-abs, --target2): New
9447                 ARM-only options.
9448
9449 2009-11-25  Doug Kwan  <dougkwan@google.com>
9450
9451         * arm.cc (Target_arm::Target_arm): Move method definition outside of
9452         class definition.  Add code to handle --target1-rel, --target1-abs
9453         and --target2= options.
9454         (Target_arm::get_reloc_reloc_type): Change method to be non-static
9455         and const.
9456         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
9457         member declaration.
9458         (Target_arm::Scan::local, Target_arm::Scan::global,
9459         Target_arm::Relocate::relocate,
9460         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
9461         call to Target_arm::get_real_reloc_type.
9462         (Target_arm::get_real_reloc_type): Use command line options to
9463         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9464         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
9465         options.
9466
9467 2009-11-25  Doug Kwan  <dougkwan@google.com>
9468
9469         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
9470         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
9471         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
9472         formatting.
9473         (Arm_relocate_functions::thm_call): Replace body with a call to
9474         Arm_relocate_functions::thumb_branch_common.
9475         (Arm_relocate_functions::thm_jump24,
9476         Arm_relocate_functions::thm_xpc22): New method definitions.
9477         (Arm_relocate_functions::thumb_branch_common): New method definition.
9478         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
9479         operator.
9480         (Target_arm::Relocate::relocate): Adjust call to thm_call.
9481         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
9482
9483 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9484
9485         * Makefile.am: Build incremental-dump
9486         * Makefile.in: Regenerate.
9487         * incremental-dump.cc: New.
9488         * incremental.cc (Incremental_inputs_header_data,
9489         Incremental_inputs_entry_data): Move to incremental.h
9490         * incremental.h: (Incremental_inputs_header_data,
9491         Incremental_inputs_entry_data): Move from incremental.cc
9492
9493 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9494
9495         * incremental.cc (Incremental_inputs_header,
9496         Incremental_inputs_header_write, Incremental_inputs_entry,
9497         Incremental_inputs_entry_write): Add a typedef with the data type.
9498
9499 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9500
9501         * incremental.cc (Incremental_inputs_header,
9502         Incremental_inputs_header_write, Incremental_inputs_entry,
9503         Incremental_inputs_entry_write): Update comment about which
9504         type has the filed descriptions.
9505
9506 2009-11-15  Doug Kwan  <dougkwan@google.com>
9507
9508         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
9509         (Arm_relocate_functions::arm_branch_common): Change method defintion
9510         in class definition to a method declaration and update list of formal
9511         parameters.
9512         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
9513         Arm_relocation_functions::jump24): Adjust call to
9514         Arm_relocate_functions::arm_branch_common.  Update list of formal
9515         parameters.
9516         (Arm_relocate_functions::xpc25): New method definition.
9517         (Arm_relocate_functions::arm_branch_common): Move method defintion
9518         out from class definition.  Use stubs for mode-switching and extending
9519         branch ranges.
9520         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
9521         specially.  Change code to enable use of stubs in ARM branches.
9522
9523 2009-11-10  Doug Kwan  <dougkwan@google.com>
9524
9525         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
9526         in method declaration.
9527         (Target_arm::relocate_stub): New method declaration.
9528         (Target_arm::default_target): Change to return a pointer instead of
9529         a const reference.
9530         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
9531         Target_arm::default_target.
9532         (Arm_Relobj::do_relocate_sections): Remove options paramater in
9533         method definition.
9534         (Target_arm::relocate_section): Adjust view.
9535         (Target_arm::relocate_stub): New method definition.
9536
9537 2009-11-10  Doug Kwan  <dougkwan@google.com>
9538
9539         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
9540         a format warning.
9541         * incremental.cc (open_incremental_binary): Initialized local
9542         variables to avoid warnings.
9543         * object.cc (make_elf_object): Ditto.
9544         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
9545         a format warning.
9546
9547 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
9548
9549         PR gold/10930
9550         * testsuite/plugin_test.c: Include "config.h".
9551
9552 2009-11-09  Doug Kwan  <dougkwan@google.com>
9553
9554         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
9555         (arm_symbol_value): Remove.
9556         (Arm_relocate_functions::arm_branch_common,
9557         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
9558         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
9559         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
9560         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
9561         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
9562         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
9563         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
9564         Arm_relocate_functions::thm_mobw_abs_nc,
9565         Arm_relocate_functions::thm_mov_abs,
9566         Arm_relocate_functions::movw_prel_nc,
9567         Arm_relocate_functions::thm_movt_abs,
9568         Arm_relocate_functions::movt_prel,
9569         Arm_relocate_functions::thm_movw_prel_nc,
9570         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
9571         (Target_arm::Relocate::relocate): Only decompose address into two
9572         parts if relocation type uses the thumb-bit and pass the actual
9573         bit instead of a flag indicating that the thumb-bit is used.  Adjust
9574         calls to methods in Arm_relocate_functions for this change.
9575
9576 2009-11-08  Ian Lance Taylor  <iant@google.com>
9577
9578         PR 10925
9579         * reloc.cc: Instantiate
9580         Sized_relobj::initialize_input_to_output_maps and
9581         Sized_relobj:free_input_to_output_maps.
9582
9583 2009-11-06  Ian Lance Taylor  <iant@google.com>
9584
9585         PR 10876
9586         * defstd.cc (in_segment): Set only_if_ref true for "end".
9587
9588 2009-11-06  Doug Kwan  <dougkwan@google.com>
9589
9590         * arm.cc (class Reloc_stub): Correct a comment.
9591         (Target_arm::Target_arm): Initialize arm_input_section_map_.
9592         (Target_arm::scan_section_for_stubs): New method declaration.
9593         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
9594         Change methods from private to protected.
9595         (Target_arm::do_may_relax): New method definition.
9596         (Target_arm::do_relax, Target_arm::group_sections,
9597         Target_arm::scan_reloc_for_stub,
9598         Target_arm::scan_reloc_section_for_stubs): New method declarations.
9599         (Target_arm::arm_input_section_map_): New data member declaration.
9600         (Target_arm::scan_reloc_for_stub,
9601         Target_arm::scan_reloc_section_for_stubs,
9602         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
9603         Target_arm::do_relax): New method definitions.
9604
9605 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
9606
9607         * configure.ac: Check for (struct stat)::st_mtim
9608         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
9609         * config.in: Regenerate.
9610         * configure: Regenerate.
9611
9612 2009-11-05  Ian Lance Taylor  <iant@google.com>
9613
9614         PR 10910
9615         * output.cc (Output_segment::add_output_section): Add missing
9616         return statement.
9617
9618 2009-11-04  Ian Lance Taylor  <iant@google.com>
9619
9620         PR 10880
9621         * object.h (class Object): Add is_needed and set_is_needed
9622         methods.  Add is_needed_ field.  Make bool fields into bitfields.
9623         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
9624         defined in a dynamic object and referenced by a regular object,
9625         set is_needed for the dynamic object.
9626         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
9627         if the file is marked with as_needed and it is not needed.
9628
9629 2009-11-04  Ian Lance Taylor  <iant@google.com>
9630
9631         PR 10887
9632         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
9633         tags if data is discarded by linker script.
9634         * i386.cc (Target_i386::do_finalize_sections): Likewise.
9635         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
9636         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
9637         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
9638
9639 2009-11-04  Ian Lance Taylor  <iant@google.com>
9640
9641         * layout.cc (Layout::get_output_section): Add is_interp and
9642         is_dynamic_linker_section parameters.  Change all callers.
9643         (Layout::choose_output_section): Likewise.
9644         (Layout::make_output_section): Likewise.
9645         (Layout::add_output_section_data): Add is_dynamic_linker_section
9646         parameter.  Change all callers.
9647         * layout.h (class Layout): Update declarations.
9648         * output.h (class Output_section): Add is_interp, set_is_interp,
9649         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
9650         Add is_interp_, is_dynamic_linker_section_ fields.  Change
9651         generate_code_fills_at_write_ to a bitfield.
9652         * output.cc (Output_section::Output_sections): Initialize new
9653         fields.
9654         (Output_segment::add_output_section): Add do_sort parameter.
9655         Change all callers.
9656
9657 2009-11-03  Ian Lance Taylor  <iant@google.com>
9658
9659         PR 10860
9660         * options.h (class General_options): Add --warn-common.
9661         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
9662         merging two common symbols.
9663         (Symbol_table::should_override): Handle --warn-common when merging
9664         a common symbol with a defined symbol.  Use report_resolve_problem
9665         for multiple definitions.
9666         (Symbol_table::report_resolve_problem): New function.
9667         * symtab.h (class Symbol_table): Declare report_resolve_problem.
9668
9669 2009-11-03  Doug Kwan  <dougkwan@google.com>
9670
9671         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
9672         stub_factory_.
9673         (Target_arm::stub_factory): New method definition.
9674         (Target_arm::new_arm_input_section,
9675         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
9676         Target_arm::reloc_uses_thumb_bit): New method declarations.
9677         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
9678         New type definitions.
9679         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
9680         member declarations.
9681         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
9682         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
9683         New method definitions.
9684
9685 2009-11-03  Ian Lance Taylor  <iant@google.com>
9686
9687         * options.h (class General_options): Add --warn_constructors.
9688
9689 2009-11-03  Ian Lance Taylor  <iant@google.com>
9690
9691         PR 10893
9692         * defstd.cc (in_section): Add entries for __rel_iplt_start,
9693         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
9694
9695 2009-11-03  Ian Lance Taylor  <iant@google.com>
9696
9697         PR 10895
9698         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
9699         --msgid-bugs-address.
9700         (install-pdf): New target.
9701         (install-data_yes): Look up one directory to find mkinstalldirs.
9702
9703 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
9704
9705         * po/Make-in (.po.gmo): Don't generate .gmo files in source
9706         tree.
9707
9708 2009-10-30  Doug Kwan  <dougkwan@google.com>
9709
9710         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
9711
9712 2009-10-30  Doug Kwan  <dougkwan@google.com>
9713
9714         * arm.cc (Stub_addend_reader): New struct template definition
9715         and partial specializations.
9716         (Stub_addend_reader::operator()): New method definition for a
9717         partially specialized template.
9718
9719 2009-10-30  Doug Kwan  <dougkwan@google.com>
9720
9721         * arm.cc (Arm_relobj::processor_specific_flags): New method
9722         definition.
9723         (Arm_relobj::do_read_symbols): New method declaration.
9724         (Arm_relobj::processor_specific_flags_): New data member declaration.
9725         (Arm_dynobj): New class definition.
9726         (Target_arm::do_finalize_sections): Add input_objects parameter.
9727         (Target_arm::do_adjust_elf_header): New method declaration.
9728         (Target_arm::are_eabi_versions_compatible,
9729         (Target_arm::merge_processor_specific_flags): New method declaration.
9730         (Target_arm::do_make_elf_object): New overloaded method definitions
9731         and declaration.
9732         (Arm_relobj::do_read_symbols): New method definition.
9733         (Arm_dynobj::do_read_symbols): Ditto.
9734         (Target_arm::do_finalize_sections): Add input_objects parameters.
9735         Merge processor-specific flags from all input objects.
9736         (Target_arm::are_eabi_versions_compatible,
9737         Target_arm::merge_processor_specific_flags,
9738         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
9739         New method definitions.
9740         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
9741         Input_objects pointer type parameter.
9742         * layout.cc (Layout::finalize): Pass input objects to target's.
9743         finalize_sections function.
9744         * output.cc (Output_file_header::do_sized_write): Set ELF file
9745         header's processor-specific flags.
9746         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
9747         Input_objects pointer type parameter.
9748         * sparc.cc (Target_sparc::do_finalize_sections): Same.
9749         * target.h (Input_objects): New forward class declaration.
9750         (Target::processor_specific_flags,
9751         Target::are_processor_specific_flags_sect): New method definitions.
9752         (Target::finalize_sections): Add input_objects parameter.
9753         (Target::Target): Initialize processor_specific_flags_ and
9754         are_processor_specific_flags_set_.
9755         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
9756         parameter.
9757         (Target::set_processor_specific_flags): New method definition.
9758         (Target::processor_specific_flags_,
9759         Target::are_processor_specific_flags_set_): New data member
9760         declarations.
9761         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
9762         Input_objects pointer type parameter.
9763
9764 2009-10-30  Doug Kwan  <dougkwan@google.com>
9765
9766         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
9767
9768 2009-10-28  Ian Lance Taylor  <iant@google.com>
9769
9770         * object.h (class Relobj): Drop options parameter from
9771         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
9772         do_scan_relocs, do_relocate.  Change all callers.
9773         (class Sized_relobj): Drop options parameters from
9774         do_gc_process_relocs, do_scan_relocs, do_relocate,
9775         do_relocate_sections, relocate_sections, emit_relocs_scan,
9776         emit_relocs_scan_reltype.  Change all callers.
9777         (struct Relocate_info): Remove options field and all references to
9778         it.
9779         * reloc.h (class Read_relocs): Remove options constructor
9780         parameter and options_ field.  Change all callers.
9781         (class Gc_process_relocs, class Scan_relocs): Likewise.
9782         (class Relocate_task): Likewise.
9783         * target-reloc.h (scan_relocs): Remove options parameter.  Change
9784         all callers.
9785         (scan_relocatable_relocs): Likewise.
9786         * target.h (class Sized_target): Remove options parameter from
9787         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
9788         all callers.
9789         * gc.h (gc_process_relocs): Remove options parameter.  Change all
9790         callers.
9791         * arm.cc: Update functions to remove options parameters.
9792         * i386.cc: Likewise.
9793         * powerpc.cc: Likewise.
9794         * sparc.cc: Likewise.
9795         * x86_64.cc: Likewise.
9796         * testsuite/testfile.cc: Likewise.
9797
9798 2009-10-28  Doug Kwan  <dougkwan@google.com>
9799
9800         * arm.cc (Arm_relobj): New class definition.
9801         (Arm_relobj::scan_sections_for_stubs,
9802         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
9803         New method definitions.
9804
9805 2009-10-28  Cary Coutant  <ccoutant@google.com>
9806
9807         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
9808         (Plugin::cleanup_done_): New member.
9809         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
9810         (Plugin_manager::cleanup_done_): Remove.
9811         (Plugin_manager::add_input_file): Edit error message.
9812         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
9813         (Plugin_manager::cleanup): Remove use of cleanup_done_.
9814
9815 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
9816
9817         * fileread.cc: (File_read::View::~View): Use the new
9818         data_ownership_ filed.
9819         (File_read::~File_read): Dispose the new whole_file_view_.
9820         (File_read::open): Mmap the whole file if needed.
9821         (File_read::open): Use whole_file_view_ instead of contents_.
9822         (File_read::find_view): Use whole_file_view_ if applicable.
9823         (File_read::do_read): Use whole_file_view_ instead of contents_.
9824         (File_read::make_view): Use whole_file_view_ instead of contents_,
9825         update File_read::View::View call.
9826         (File_read::find_or_make_view): Update File_read::View::View
9827         call.
9828         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
9829         remove contents_
9830         (File_read::View::Data_ownership): New enum.
9831         (File_read::View::View): Replace bool mapped_ with Data_ownership
9832         argument.
9833         (File_read::View::mapped_): Remove (replaced by data_ownership_).
9834         (File_read::View::data_ownership_): New field.
9835         (File_read::contents_): Remove (replaced by whole_file_view_).
9836         (File_read::whole_file_view_): New field.
9837         * options.h (class General_options): Add --keep-files-mapped.
9838
9839 2009-10-27  Cary Coutant  <ccoutant@google.com>
9840
9841         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
9842         * testsuite/Makefile.am (plugin_test_5): New test case.
9843         * testsuite/Makefile.in: Regenerate.
9844
9845 2009-10-25  Doug Kwan  <dougkwan@google.com>
9846
9847         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
9848         from private to protected to allow access by child class.
9849         (Sized_relobj::do_relocate_sections): New method declaration.
9850         (Sized_relobj::relocate_sections): Virtualize.
9851         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
9852         Sized_relobj::relocate_sections.  Instantiate template explicitly
9853         for different target sizes and endianity.
9854
9855 2009-10-24  Doug Kwan  <dougkwan@google.com>
9856
9857         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
9858         (Arm_input_section::as_arm_input_section): New method.
9859         (Arm_output_section): New class definition.
9860         (Arm_output_section::create_stub_group,
9861         Arm_output_section::group_sections): New method definitions.
9862
9863 2009-10-22  Doug Kwan  <dougkwan@google.com>
9864
9865         * arm.cc (Arm_input_section): New class definition.
9866         (Arm_input_section::init, Arm_input_section:do_write,
9867         Arm_input_section::set_final_data_size,
9868         Arm_input_section::do_reset_address_and_file_offset): New method
9869         definitions.
9870
9871 2009-10-21  Doug Kwan  <dougkwan@google.com>
9872
9873         * arm.cc (Stub_table, Arm_input_section): New forward class
9874         declarations.
9875         (Stub_table): New class defintion.
9876         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
9877         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
9878         New method definition.
9879
9880 2009-10-21  Doug Kwan  <dougkwan@google.com>
9881
9882         * arm.cc: Update copyright comments.
9883         (Target_arm): New forward class template declaration.
9884         (Arm_address): New type.
9885         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
9886         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
9887         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
9888         constants.
9889         (Insn_template): Same.
9890         (DEF_STUBS): New macro.
9891         (Stub_type): New enum type.
9892         (Stub_template): New class definition.
9893         (Stub): Same.
9894         (Reloc_stub): Same.
9895         (Stub_factory): Same.
9896         (Target_arm::Target_arm): Initialize may_use_blx_ and
9897         should_force_pic_veneer_.
9898         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
9899         Target_arm::should_force_pic_veneer,
9900         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
9901         Target_arm::using_thumb_only, Target_arm:;default_target): New
9902         method defintions.
9903         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
9904         New data member declarations.
9905         (Insn_template::size, Insn_template::alignment): New method defintions.
9906         (Stub_template::Stub_template): New method definition.
9907         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
9908         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
9909         (Stub_factory::Stub_factory): New method definition.
9910         * gold.h (string_hash): New template.
9911         * output.h (Input_section_specifier::hash_value): Use
9912         gold::string_hash.
9913         (Input_section_specifier::string_hash): Remove.
9914         * stringpool.cc (Stringpool_template::string_hash): Use
9915         gold::string_hash.
9916
9917 2009-10-20  Doug Kwan  <dougkwan@google.com>
9918
9919         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
9920         symbols of relaxed input sections.
9921         * output.h (Output_section::find_relaxed_input_section): Make
9922         method public.
9923
9924 2009-10-16  Doug Kwan  <dougkwan@google.com>
9925
9926         * dynobj.cc (Versions::Versions): Initialize version_script_.
9927         Only insert base version symbol definition for a shared object
9928         if version script defines any version versions.
9929         (Versions::define_base_version): New method definition.
9930         (Versions::add_def): Check that base version is not needed.
9931         (Versions::add_need): Define base version lazily.
9932         * dynobj.h (Versions::define_base_version): New method declaration.
9933         (Versions::needs_base_version_): New data member declaration.
9934         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
9935         (check_DATA): Add no_version_test.stdout.
9936         (libno_version_test.so, no_version_test.o no_version_test.stdout):
9937         New make rules.
9938         * testsuite/Makefile.in: Regenerate.
9939         * testsuite/no_version_test.c: New file.
9940         * testsuite/no_version_test.sh: Ditto.
9941
9942 2009-10-16  Doug Kwan  <dougkwan@google.com>
9943
9944         * expression.cc (class Segment_start_expression): New class definition.
9945         (Segment_start_expression::value): New method definition.
9946         (script_exp_function_segment_start): Return a new
9947         Segment_start_expression.
9948         * gold/script-c.h (script_saw_segment_start_expression): New function
9949         prototype.
9950         * script-sections.cc (Script_sections::Script_sections): Initialize
9951         SAW_SEGMENT_START_EXPRESSION_ to false.
9952         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
9953         and -Tbbs options to specify section addresses if given in
9954         command line and no SEGMENT_START expression is seen in a script.
9955         * script-sections.h (Script_sections::saw_segment_start_expression,
9956         Script_sections::set_saw_segment_start_expression): New method
9957         definition.
9958         (Script_sections::saw_segment_start_expression_): New data member
9959         declaration.
9960         * script.cc (script_saw_segment_start_expression): New function.
9961         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
9962         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
9963         script_test_7.sh and script_test_8.sh.
9964         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
9965         script_test_8.stdout.
9966         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
9967         (script_test_6, script_test_6.stdout, script_test_7,
9968         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
9969         * Makefile.in: Regenerate.
9970         * testsuite/script_test_6.sh: New file.
9971         * testsuite/script_test_6.t: Same.
9972         * testsuite/script_test_7.sh: Same.
9973         * testsuite/script_test_7.t: Same.
9974         * testsuite/script_test_8.sh: Same.
9975
9976 2009-10-16  Doug Kwan  <dougkwan@google.com>
9977
9978         * output.cc (Output_segment::set_section_list_address): Cast
9979         expressions to unsigned long long type to avoid format warnings.
9980
9981 2009-10-15  Ian Lance Taylor  <iant@google.com>
9982
9983         * script.cc (Script_options::add_symbol_assignment): Always add a
9984         dot assignment to script_sections_.
9985         * script-sections.cc (Script_sections::add_dot_assignment):
9986         Initialize if necessary.
9987
9988         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
9989         program headers with no load segment if there is a linker script.
9990
9991         * layout.cc (Layout::set_segment_offsets): Align the file offset
9992         to the segment aligment for -N or -n with no load segment.
9993         * output.cc (Output_segment::add_output_section): Don't crash if
9994         the first section is a TLS section.
9995         (Output_segment::set_section_list_addresses): Print an error
9996         message if the address moves backward in a linker script.
9997         * script-sections.cc
9998         (Output_section_element_input::set_section_addresses): Don't
9999         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
10000         (Orphan_output_section::set_section_addresses): Likewise.
10001
10002 2009-10-15  Doug Kwan  <dougkwan@google.com>
10003
10004         * layout.cc (Layout::finish_dynamic_section): Generate tags
10005         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
10006         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
10007         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
10008
10009 2009-10-14  Ian Lance Taylor  <iant@google.com>
10010
10011         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
10012         fields.
10013         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
10014         data_shdr fields of relinfo.
10015         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
10016         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
10017         R_386_TLS_LDO_32, adjust based on section flags.
10018         (Target_i386::Relocate::fix_up_ldo): Remove.
10019
10020 2009-10-13  Ian Lance Taylor  <iant@google.com>
10021
10022         Add support for -pie.
10023         * options.h (class General_options): Add -pie and
10024         --pic-executable.
10025         (General_options::output_is_position_independent): Test -pie.
10026         (General_options::output_is_executable): Return true if not shared
10027         and not relocatable.
10028         (General_options::output_is_pie): Remove.
10029         * options.cc (General_options::finalize): Reject incompatible uses
10030         of -pie.
10031         * gold.cc (queue_middle_tasks): A -pie link is not static.
10032         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
10033         * symtab.cc (Symbol::final_value_is_known): Return false if
10034         output_is_position_independent.
10035         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
10036         output_is_position_independent.
10037         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
10038         output_is_position_independent.
10039         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
10040         output_is_position_independent.
10041         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
10042         two_file_pie_test.
10043         (basic_pie_test.o, basic_pie_test): New targets.
10044         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
10045         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
10046         (two_file_pie_test): New target.
10047         * testsuite/Makefile.in: Rebuild.
10048         * README: Remove note saying that -pie is not supported.
10049
10050 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10051
10052         * options.h (class General_options): Add -init and -fini.
10053         * layout.cc (Layout::finish_dynamic_section): Emit
10054         given init and fini functions.
10055
10056 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
10057
10058         * gc.h (gc_process_relocs): Check if icf is enabled using new
10059         function.
10060         * gold.cc (queue_initial_tasks): Likewise.
10061         (queue_middle_tasks): Likewise.
10062         * object.cc (do_layout): Likewise.
10063         * symtab.cc (is_section_folded): Likewise.
10064         * main.cc (main): Likewise.
10065         * reloc.cc (Read_relocs::run): Likewise.
10066         (Sized_relobj::do_scan_relocs): Likewise.
10067         * icf.cc (is_function_ctor_or_dtor): New function.
10068         (Icf::find_identical_sections): Check if function is ctor or dtor when
10069         safe icf is chosen.
10070         * options.h (General_options::icf): Change option to be an enum.
10071         (Icf_status): New enum.
10072         (icf_enabled): New method.
10073         (icf_safe_folding): New method.
10074         (set_icf_status): New method.
10075         (icf_status_): New variable.
10076         * (options.cc) (General_options::finalize): Set icf_status_.
10077         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
10078         icf_test and icf_keep_unique_test to use the --icf enum flag.
10079         * testsuite/icf_safe_test.sh: New file.
10080         * testsuite/icf_safe_test.cc: New file.
10081
10082 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
10083
10084         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
10085         includes to gc.h and icf.h.
10086         * arm.cc: Include gc.h.
10087         * gold.cc: Likewise.
10088         * i386.cc: Likewise.
10089         * powerpc.cc: Likewise.
10090         * sparc.cc: Likewise.
10091         * x86_64.cc: Likewise.
10092         * gc.h: Include icf.h.
10093
10094 2009-10-11  Ian Lance Taylor  <iant@google.com>
10095
10096         * plugin.cc: Include "gold.h" before other header files.
10097
10098 2009-10-10  Chris Demetriou  <cgd@google.com>
10099
10100         * options.h (Input_file_argument::Input_file_type): New enum.
10101         (Input_file_argument::is_lib_): Replace with...
10102         (Input_file_argument::type_): New member.
10103         (Input_file_argument::Input_file_argument): Take Input_file_type
10104         'type' rather than boolean 'is_lib' as second argument.
10105         (Input_file_argument::is_lib): Use type_.
10106         (Input_file_argument::is_searched_file): New function.
10107         (Input_file_argument::may_need_search): Handle is_searched_file.
10108         * options.cc (General_options::parse_library): Support -l:filename.
10109         (General_options::parse_just_symbols): Update for Input_file_argument
10110         changes.
10111         (Command_line::process): Likewise.
10112         * archive.cc (Archive::get_file_and_offset): Likewise.
10113         * plugin.cc (Plugin_manager::release_input_file): Likewise.
10114         * script.cc (read_script_file, script_add_file): Likewise.
10115         * fileread.cc (Input_file::Input_file): Likewise.
10116         (Input_file::will_search_for): Handle is_searched_file.
10117         (Input_file::open): Likewise.
10118         * readsyms.cc (Read_symbols::get_name): Likewise.
10119         * testsuite/Makefile.am (searched_file_test): New test.
10120         * testsuite/Makefile.in: Regenerate.
10121         * testsuite/searched_file_test.cc: New file.
10122         * testsuite/searched_file_test_lib.cc: New file.
10123
10124 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10125             Ian Lance Taylor  <iant@google.com>
10126
10127         * descriptor.cc: Include <cstdio> and "binary-io.h".
10128         (Descriptors::open): Open the files in binary mode always.
10129         * script.cc (Lex::get_token): Treat \r as whitespace.
10130
10131 2009-10-09  Ian Lance Taylor  <iant@google.com>
10132
10133         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
10134
10135 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10136             Ian Lance Taylor  <iant@google.com>
10137
10138         * configure.ac: Check for readv function also.
10139         * fileread.cc (readv): Define if not HAVE_READV.
10140         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
10141         does not exist.
10142         * config.in: Regenerate.
10143         * configure: Regenerate.
10144
10145 2009-10-09  Doug Kwan  <dougkwan@google.com>
10146
10147         * layout.cc (Layout::make_output_section): Call target hook to make
10148         ordinary output section.
10149         (Layout::finalize): Adjust parameter list of call the
10150         Target::may_relax().
10151         * layout.h (class Layout::section_list): New method.
10152         * merge.h (Output_merge_base::entsize): Change visibility to public.
10153         (Output_merge_base::is_string, Output_merge_base::do_is_string):
10154         New methods.
10155         (Output_merge_string::do_is_string): New method.
10156         * object.cc (Sized_relobj::do_setup): renamed from
10157         Sized_relobj::set_up.
10158         * object.h (Sized_relobj::adjust_shndx,
10159         Sized_relobj::initializ_input_to_output_maps,
10160         Sized_relobj::free_input_to_output_maps): Change visibilities to
10161         protected.
10162         (Sized_relobj::setup): Virtualize.
10163         (Sized_relobj::do_setup): New method declaration.
10164         (Sized_relobj::invalidate_section_offset,
10165         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
10166         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
10167         * options.cc (parse_int): New function.
10168         * options.h (parse_int): New declaration.
10169         (DEFINE_int): New macro.
10170         (stub_group_size): New option.
10171         * output.cc (Output_section::Output_section): Initialize memebers
10172         merge_section_map_, merge_section_by_properties_map_,
10173         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
10174         (Output_section::add_input_section): Handled deferred code-fill
10175         generation and remove an old comment.
10176         (Output_section::add_relaxed_input_section): New method definition.
10177         (Output_section::add_merge_input_section): Use merge section by
10178         properties map to speed to search.  Update merge section maps
10179         as appropriate.
10180         (Output_section::build_relaxation_map): New method definition.
10181         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
10182         Same.
10183         (Output_section::relax_input_section): Renamed to
10184         Output_section::convert_input_sections_to_relaxed_sections and change
10185         interface to take a vector of pointers to relaxed sections.
10186         (Output_section::find_merge_section,
10187         Output_section::find_relaxed_input_section): New method definitions.
10188         (Output_section::is_input_address_mapped,
10189         Output_section::output_offset, Output_section::output_address):
10190         Use output section data maps to speed up searching.
10191         (Output_section::find_starting_output_address): Add comments.
10192         (Output_section::do_write,
10193         Output_section::write_to_postprocessing_buffer): Do code-fill
10194         generation as appropriate.
10195         (Output_section::get_input_sections): Invalidate relaxed input section
10196         map.
10197         (Output_section::restore_states): Adjust type of checkpoint .
10198         Invalidate relaxed input section map.
10199         * output.h (Output_merge_base): New class declaration.
10200         (Input_section_specifier): New class defintion.
10201         (class Output_relaxed_input_section) Change base class to
10202         Output_section_data_build.
10203         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
10204         base class initializer.
10205         (Output_section::add_relaxed_input_section): New method declaration.
10206         (Output_section::Input_section): Change visibility to protected.
10207         (Output_section::Input_section::relobj,
10208         Output_section::Input_section::shndx): Handle relaxed input sections.
10209         Output_section::input_sections) Change visibility to protected.  Also
10210         define overload to return a non-const pointer.
10211         (Output_section::Merge_section_properties): New class defintion.
10212         (Output_section::Merge_section_by_properties_map,
10213         Output_section::Output_section_data_by_input_section_map,
10214         Output_section::Relaxation_map): New types.
10215         (Output_section::relax_input_section): Rename method to
10216         Output_section::convert_input_sections_to_relaxed_sections and change
10217         interface to take a vector of relaxed section pointers.
10218         (Output_section::find_merge_section,
10219         Output_section::find_relaxed_input_section,
10220         Output_section::build_relaxation_map,
10221         Output_section::convert_input_sections_in_list_to_relaxed_sections):
10222         New method declarations.
10223         (Output_section::merge_section_map_
10224         Output_section::merge_section_by_properties_map_,
10225         Output_section::relaxed_input_section_map_,
10226         Output_section::is_relaxed_input_section_map_valid_,
10227         Output_section::generate_code_fills_at_write_): New data members.
10228         * script-sections.cc
10229         (Output_section_element_input::set_section_addresses): Call
10230         current_data_size and addralign methods of relaxed input sections.
10231         (Orphan_output_section::set_section_addresses): Call current_data_size
10232         and addralign methods of relaxed input sections.
10233         * symtab.cc (Symbol_table::compute_final_value): Extract template
10234         from the body of Symbol_table::sized_finalize_symbol.
10235         (Symbol_table::sized_finalized_symbol): Call
10236         Symbol_table::compute_final_value.
10237         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
10238         (Symbol_table::compute_final_value): New templated method declaration.
10239         * target.cc (Target::do_make_output_section): New method defintion.
10240         * target.h (Target::make_output_section): New method declaration.
10241         (Target::relax): Add more parameters for input objects, symbol table
10242         and layout.  Adjust call to do_relax.
10243         (Target::do_make_output_section): New method declaration.
10244         (Target::do_relax): Add parameters for input objects, symbol table
10245         and layout.
10246
10247 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10248
10249         * pread.c: Include stdio.h.
10250
10251 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10252
10253         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
10254         defined.
10255
10256 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10257
10258         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
10259         Change read_shndx type to unsigned int.
10260         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
10261         int.
10262         (Sized_dwarf_line_info::read_line_mappings): Likewise.
10263         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
10264         Change read_shndx type to unsigned int.
10265         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
10266         int.
10267         (Sized_dwarf_line_info::read_line_mappings): Likewise.
10268         * layout.cc (Layout::create_symtab_sections): Cast the result of
10269         local_symcount * symsize to off_t in the gold_assert.
10270
10271 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10272
10273         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
10274         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
10275         R_ARM_BASE_ABS.
10276         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
10277         (Arm_relocate_functions::thm_abs5): New function.
10278         (Arm_relocate_functions::abs12): New function.
10279         (Arm_relocate_functions::abs16): New function.
10280         (Arm_relocate_functions::base_abs): New function.
10281         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
10282         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
10283         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
10284         R_ARM_BASE_ABS.
10285         (Scan::global): Likewise.
10286         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
10287         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
10288         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
10289         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
10290         R_ARM_BASE_ABS.
10291
10292 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10293
10294         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
10295         (Arm_relocate_functions::movt_prel): New function.
10296         (Arm_relocate_functions::thm_movw_prel_nc): New function.
10297         (Arm_relocate_functions::thm_movt_prel): New function.
10298         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
10299         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
10300         (Scan::global, Relocate::relocate): Likewise.
10301         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10302
10303 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
10304
10305         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
10306         Incremental_checker.
10307         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
10308         unsigned int.
10309         (class Incremental_inputs_header): New class.
10310         (Incremental_inputs_header_writer): Edit comment.
10311         (Incremental_inputs_entry): New class.
10312         (Incremental_inputs_entry_writer): Edit comment.
10313         (Sized_incremental_binary::do_find_incremental_inputs_section):
10314         Add *strtab_shndx parameter, fill it.
10315         (Sized_incremental_binary::do_check_inputs): New method.
10316         (Incremental_checker::can_incrementally_link_output_file): Use
10317         Sized_incremental_binary::check_inputs.
10318         (Incremental_inputs::report_command_line): Save command line in
10319         command_line_.
10320         * incremental.h:
10321         (Incremental_binary::find_incremental_inputs_section): New
10322         method.
10323         (Incremental_binary::do_find_incremental_inputs_section): Add
10324         strtab_shndx parameter.
10325         (Incremental_binary::do_check_inputs): New pure virtual method.
10326         (Sized_incremental_binary::do_check_inputs): Declare.
10327         (Incremental_checker::Incremental_checker): Add incremental_inputs
10328         parameter, use it to initialize incremental_inputs_.
10329         (Incremental_checker::incremental_inputs_): New field.
10330         (Incremental_checker::command_line): New method.
10331         (Incremental_checker::inputs): New method.
10332         (Incremental_checker::command_line_): New field.
10333
10334 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
10335
10336         * incremental.cc: Include <cstdarg> and "target-select.h".
10337         (vexplain_no_incremental): New function.
10338         (explain_no_incremental): New function.
10339         (Incremental_binary::error): New method.
10340         (Sized_incremental_binary::do_find_incremental_inputs_section): New
10341         method.
10342         (make_sized_incremental_binary): New function.
10343         (open_incremental_binary): New function.
10344         (can_incrementally_link_file): Add checks if output is ELF and has
10345         inputs section.
10346         * incremental.h: Include "elfcpp_file.h" and "output.h".
10347         (Incremental_binary): New class.
10348         (Sized_incremental_binary): New class.
10349         (open_incremental_binary): Declare.
10350         * object.cc (is_elf_object): Use
10351         elfcpp::Elf_recognizer::is_elf_file.
10352         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
10353         * output.h (Output_file::filesize): New method.
10354
10355 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10356
10357         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
10358         New function.
10359         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
10360         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
10361         function.
10362         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
10363         function.
10364         (Arm_relocate_functions::movw_abs_nc): New function.
10365         (Arm_relocate_functions::movt_abs): New function.
10366         (Arm_relocate_functions::thm_movw_abs_nc): New function.
10367         (Arm_relocate_functions::thm_movt_abs): New function.
10368         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
10369         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
10370         (Scan::global): Likewise.
10371         (Relocate::relocate): Likewise.
10372         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10373
10374 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10375
10376         * arm.cc (Arm_relocate_functions::got_prel) New function.
10377         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
10378         (Relocate::relocate): Likewise.
10379         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10380
10381 2009-10-06  Ian Lance Taylor  <iant@google.com>
10382
10383         * options.h (class General_options): Define
10384         split_stack_adjust_size parameter.
10385         * object.h (class Object): Add uses_split_stack_ and
10386         has_no_split_stack_ fields.  Add uses_split_stack and
10387         has_no_split_stack accessor functions.  Declare
10388         handle_split_stack_section.
10389         (class Reloc_symbol_changes): Define.
10390         (class Sized_relobj): Define Function_offsets.  Declare
10391         split_stack_adjust, split_stack_adjust_reltype, and
10392         find_functions.
10393         * object.cc (Object::handle_split_stack_section): New function.
10394         (Sized_relobj::do_layout): Call handle_split_stack_section.
10395         * dynobj.cc (Sized_dynobj::do_layout): Call
10396         handle_split_stack_section.
10397         * reloc.cc (Sized_relobj::relocate_sections): Call
10398         split_stack_adjust for executable sections in split_stack
10399         objects.  Pass reloc_map to relocate_section.
10400         (Sized_relobj::split_stack_adjust): New function.
10401         (Sized_relobj::split_stack_adjust_reltype): New function.
10402         (Sized_relobj::find_functions): New function.
10403         * target-reloc.h: Include "object.h".
10404         (relocate_section): Add reloc_symbol_changes parameter.  Change
10405         all callers.
10406         * target.h (class Target): Add calls_non_split method.  Declare
10407         do_calls_non_split virtual method.  Declare match_view and
10408         set_view_to_nop.
10409         * target.cc: Include "elfcpp.h".
10410         (Target::do_calls_non_split): New function.
10411         (Target::match_view): New function.
10412         (Target::set_view_to_nop): New function.
10413         * gold.cc (queue_middle_tasks): Give an error if mixing
10414         split-stack and non-split-stack objects with -r.
10415         * i386.cc (Target_i386::relocate_section): Add
10416         reloc_symbol_changes parameter.
10417         (Target_i386::do_calls_non_split): New function.
10418         * x86_64.cc (Target_x86_64::relocate_section): Add
10419         reloc_symbol_changes parameter.
10420         (Target_x86_64::do_calls_non_split): New function.
10421         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
10422         parameter.
10423         * powerpc.cc (Target_powerpc::relocate_section): Add
10424         reloc_symbol_changes parameter.
10425         * sparc.cc (Target_sparc::relocate_section): Add
10426         reloc_symbol_changes parameter.
10427         * configure.ac: Call AM_CONDITIONAL for the default target.
10428         * configure: Rebuild.
10429         * testsuite/Makefile.am (TEST_AS): New variable.
10430         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
10431         (check_DATA): Add split_i386 and split_x86_64 files.
10432         (SPLIT_DEFSYMS): Define.
10433         (split_i386_[1234n].o): New targets.
10434         (split_i386_[124]): New targets.
10435         (split_i386_[1234r].stdout): New targets.
10436         (split_x86_64_[1234n].o): New targets.
10437         (split_x86_64_[124]): New targets.
10438         (split_x86_64_[1234r].stdout): New targets.
10439         (MOSTLYCLEANFILES): Add new executables.
10440         * testsuite/split_i386.sh: New file.
10441         * testsuite/split_x86_64.sh: New file.
10442         * testsuite/split_i386_1.s: New file.
10443         * testsuite/split_i386_2.s: New file.
10444         * testsuite/split_i386_3.s: New file.
10445         * testsuite/split_i386_4.s: New file.
10446         * testsuite/split_i386_n.s: New file.
10447         * testsuite/split_x86_64_1.s: New file.
10448         * testsuite/split_x86_64_2.s: New file.
10449         * testsuite/split_x86_64_3.s: New file.
10450         * testsuite/split_x86_64_4.s: New file.
10451         * testsuite/split_x86_64_n.s: New file.
10452         * testsuite/testfile.cc (Target_test): Update relocation_section
10453         function.
10454         * testsuite/Makefile.in: Rebuild.
10455
10456 2009-10-06  Ian Lance Taylor  <iant@google.com>
10457
10458         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
10459         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
10460         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
10461         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
10462         the address on ldo_addrs_.
10463         (Target_i386::Relocate::fix_up_ldo): New function.
10464
10465 2009-10-06   Rafael Espindola  <espindola@google.com>
10466
10467         * plugin.cc (add_input_library): New.
10468         (Plugin::load): Add add_input_library to tv.
10469         (Plugin_manager::add_input_file): Add the is_lib argument.
10470         (add_input_file): Update call to Plugin_manager::add_input_file.
10471         (add_input_library): New.
10472         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
10473
10474 2009-09-30  Doug Kwan  <dougkwan@google.com>
10475
10476         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
10477         symbol and call Symbol::may_need_copy_reloc to determine if
10478         a copy reloc is needed.
10479         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
10480         nocopyreloc is given in command line.
10481         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
10482         given in command line.
10483         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
10484         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
10485         of the removed Target_i386::may_need_copy_reloc.
10486         * options.h (copyreloc): New option with default value false.
10487         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10488         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
10489         instead of the removed Target_powerpc::may_need_copy_reloc.
10490         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10491         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
10492         instead of the removed Target_sparc::may_need_copy_reloc.
10493         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
10494         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
10495         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
10496         instead of the removed Target_x86_64::may_need_copy_reloc.
10497
10498 2009-09-30  Ian Lance Taylor  <iant@google.com>
10499
10500         * object.h (class Object): Remove target_ field, and target,
10501         sized_target, and set_target methods.
10502         (Object::sized_target): Remove.
10503         (class Sized_relobj): Update declarations.  Remove sized_target.
10504         * object.cc (Sized_relobj::setup): Remove target parameter.
10505         Change all callers.
10506         (Input_objects::add_object): Don't do anything with the target.
10507         (make_elf_sized_object): Add punconfigured parameter.  Change all
10508         callers.  Set or test parameter target.
10509         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
10510         Change all callers.
10511         * parameters.cc (Parameters::set_target): Change parameter type to
10512         be non-const.
10513         (Parameters::default_target): Remove.
10514         (set_parameters_target): Change parameter type to be non-const.
10515         (parameters_force_valid_target): New function.
10516         (parameters_clear_target): New function.
10517         * parameters.h (class Parameters): Update declarations.  Remove
10518         default_target method.  Add sized_target and clear_target
10519         methods.  Change target_ to be non-const.
10520         (set_parameters_target): Update declaration.
10521         (parameters_force_valid_target): Declare.
10522         (parameters_clear_target): Declare.
10523         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
10524         as NULL if we aren't searching.
10525         (Add_symbols::run): Don't check for compatible target.
10526         * fileread.cc (Input_file::open_binary): Call
10527         parameters_force_valid_target.
10528         * gold.cc (queue_middle_tasks): Likewise.
10529         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
10530         set_target on object.
10531         * dynobj.h (class Sized_dynobj): Update declarations.
10532         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
10533         make_elf_object returns NULL.
10534         (Archive::include_member): Don't check whether object target is
10535         compatible.
10536         * output.cc (Output_section::add_input_section): Get target from
10537         parameters.
10538         (Output_section::relax_input_section): Likewise.
10539         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
10540         parameters.
10541         (Sized_relobj::do_scan_relocs): Likewise.
10542         (Sized_relobj::relocate_sections): Likewise.
10543         * resolve.cc (Symbol_table::resolve): Likewise.
10544         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
10545         parameter.  Change all callers.
10546         (Symbol_table::add_from_object): Get target from parameters.
10547         (Symbol_table::add_from_relobj): Don't check object target.
10548         (Symbol_table::add_from_dynobj): Likewise.
10549         (Symbol_table::define_special_symbol): Get target from
10550         parameters.
10551         * symtab.h (class Symbol_table): Update declaration.
10552         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
10553         parameter.  Change all callers.  Clear parameter target.
10554         (Binary_test): Test target here.
10555         * testsuite/object_unittest.cc (gold_testsuite): Remove
10556         target_test_pointer parameter.  Change all callers.
10557         (Object_test): Test target here.
10558
10559 2009-09-26  Ian Lance Taylor  <iant@google.com>
10560
10561         * testsuite/initpri1.c: Don't try to use constructor priorities if
10562         compiling with gcc before 4.3.
10563
10564 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
10565
10566         * testsuite/retain_symbols_file_test.sh (check_present): Change
10567         output file name to retain_symbols_file_test.stdout.
10568         (check_absent): Likewise.
10569
10570 2009-09-18  Craig Silverstein  <csilvers@google.com>
10571
10572         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
10573         * options.cc: Include <cerrno> and <fstream>.
10574         (General_options::finalize): Parse -retain-symbols-file tag.
10575         * options.h: New flag.
10576         (General_options): New method should_retain_symbol, new
10577         variable symbols_to_retain.
10578         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
10579         should_retain_symbol map.
10580         * testsuite/Makefile.am (retain_symbols_file_test): New test.
10581         * testsuite/Makefile.in: Regenerate.
10582         * testsuite/retain_symbols_file_test.sh: New file.
10583
10584 2009-09-18  Nick Clifton  <nickc@redhat.com>
10585
10586         * po/es.po: Updated Spanish translation.
10587
10588 2009-09-17  Doug Kwan  <dougkwan@google.com>
10589
10590         * debug.h (DEBUG_RELAXATION): New constant.
10591         (DEBUG_ALL): Add DEBUG_RELAXATION.
10592         (debug_string_to_enum): Add relaxation debug option.
10593         * layout.cc
10594         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
10595         Layout::Relaxation_debug_check::read_sections,
10596         Layout::Relaxation_debug_check::read_sections): New method definitions.
10597         (Layout::Layout): Initialize data members
10598         record_output_section_data_from_scrips_,
10599         script_output_section_data_list_ and relaxation_debug_check_.
10600         (Layout::save_segments, Layout::restore_segments,
10601         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10602         Layout::relaxation_loop_body): New method definitions.
10603         (Layout::finalize): Support relaxation.  Move section layout code to
10604         Layout::relaxation_loop_body.
10605         (Layout::set_asection_address_from_script): Move code for orphan
10606         section placement out.
10607         (Layout::place_orphan_sections_in_script): New method definition.
10608         * layout.h (Output_segment_headers, Output_file_header):
10609         New forward class declarations.
10610         (Layout::~Layout): Define.
10611         (Layout::new_output_section_data_from_script): New method definition.
10612         (Layout::place_orphan_sections_in_script): New method declaration.
10613         (Layout::Segment_states): New type declaration.
10614         (Layout::save_segments, Layout::restore_segments,
10615         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10616         Layout::relaxation_loop_body): New method declarations.
10617         (Layout::Output_section_data_list): New type declaration.
10618         (Layout::Relaxation_debug_check): New class definition.
10619         (Layout::record_output_section_data_from_script_,
10620         Layout::script_output_section_data_list_, Layout::segment_states_,
10621         Layout::relaxation_debug_check_): New data members.
10622         * output.cc: (Output_section_headers::do_size): New method definition.
10623         (Output_section_headers::Output_section_headers): Move size
10624         computation to Output_section_headers::do_size.
10625         (Output_segment_headers::do_size): New method definition.
10626         (Output_file_header::Output_file_header): Move size computation to
10627         Output_file_header::do_size and call it.
10628         (Output_file_header::do_size): New method definition.
10629         (Output_data_group::Output_data_group): Adjust call to
10630         Output_section_data.
10631         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
10632         (Output_symtab_xindex::do_write): Add array bound check.
10633         (Output_section::Input_section::print_to_mapfile): Handle
10634         RELAXED_INPUT_SECTION_CODE.
10635         (Output_section::Output_section): Initialize data member checkpoint_.
10636         (Output_section::~Output_section): Delete checkpoint object pointed
10637         by checkpoint_.
10638         (Output_section::add_input_section): Always add an Input_section if
10639         relaxing.
10640         (Output_section::add_merge_input_section): Add assert.
10641         (Output_section::relax_input_section): New method definition.
10642         (Output_section::set_final_data_size): Set load address to zero for
10643         an unallocated section.
10644         (Output_section::do_address_and_file_offset_have_reset_values):
10645         New method definition.
10646         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
10647         Handle relaxed input section.
10648         (Output_section::sort_attached_input_sections): Checkpoint input
10649         section list lazily.
10650         (Output_section::get_input_sections): Change type of input_sections to
10651         list of Simple_input_section pointers.  Checkpoint input section list
10652         lazily.  Also handle relaxed input sections.
10653         (Output_section::add_input_section_for_script): Take a reference to
10654         a Simple_input_section object instead of Relobj pointer and section
10655         index as parameter.  Handle relaxed input sections.
10656         (Output_section::save_states, Output_section::restore_states): New
10657         method definitions.
10658         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
10659         (Output_data::is_data_size_fixed): New method definition.
10660         (Output_data::reset_addresss_and_file_offset): Do not reset data size
10661         if it is fixed.
10662         (Output_data::address_and_file_offset_have_reset_values): New method
10663         definition.
10664         (Output_data::do_address_and_file_offset_have_reset_values): New method
10665         definition.
10666         (Output_data::set_data_size): Check that data size is not fixed.
10667         (Output_data::fix_data_size): New method definition.
10668         (Output_data::is_data_size_fixed_): New data member.
10669         (Output_section_headers::set_final_data_size): New method definition.
10670         (Output_section_headers::do_size): New method declaration.
10671         (Output_segment_headers::set_final_data_size): New method definition.
10672         (Output_segment_headers::do_size): New method declaration.
10673         (Output_file_header::set_final_data_size)::New method definition.
10674         (Output_file_header::do_size)::New method declaration.
10675         (Output_section_data::Output_section_data): Add new parameter
10676         is_data_size_fixed and use it to fix data size.
10677         (Output_data_const::Output_data_const): Adjust call to base class
10678         constructor and fix data size.
10679         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
10680         base class constructor and fix data size.
10681         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
10682         base class constructor and fix data size.
10683         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
10684         class constructor and fix data size.
10685         (Output_data_group::set_final_data_size): New method definition.
10686         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
10687         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
10688         class constructor and fix data size.
10689         (Output_relaxed_input_section): New class definition.
10690         (Output_section::Simple_input_section): New class definition.
10691         (Output_section::get_input_sections): Adjust parameter list.
10692         (Output_section::add_input_section_for_script): Same.
10693         (Output_section::save_states, Output_section::restore_states,
10694         Output_section::do_address_and_file_offset_have_reset_values,
10695         (Output_section::Input_section::Input_section): Handle
10696         RELAXED_INPUT_SECTION_CODE.  Add new overload for
10697         Output_relaxed_input_section.
10698         (Output_section::Input_section::is_input_section,
10699         Output_section::Input_section::set_output_section): Handle relaxed
10700         input section.
10701         (Output_section::Input_section::is_relaxed_input_section,
10702         Output_section::Input_section::output_section_data,
10703         Output_section::Input_section::relaxed_input_section): New method
10704         definitions.
10705         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
10706         value.
10707         (Output_section::Input_section::u1_): Update comments.
10708         (Output_section::Input_section::u2_): Add new union member poris.
10709         (Output_section::Checkpoint_output_section): New classs definition.
10710         (Output_section::relax_input_section): New method declaration.
10711         (Output_section::checkpoint_): New data member.
10712         (Output_segment): Update comments.
10713         (Output_segment::Output_segment): Un-privatize copy constructor.
10714         (Output_segment::operator=): Un-privatize.
10715         * script-sections.cc (Output_section_element::Input_section_list):
10716         Change element type to Output_section::Simple_input_section.
10717         (Output_section_element_dot_assignment::set_section_addresses):
10718         Register output section data for relaxation clean up.
10719         (Output_data_exression::Output_data_expression): Adjust call to base
10720         constructor to fix data size.
10721         (Output_section_element_data::set_section_addresses): Register
10722         Output_data_expression object for relaxation clean up.
10723         (struct Input_section_info): Replace Relobj pointer and section index
10724         pair with Output_section::Simple_input_section and Convert struct to a
10725         class.
10726         (Input_section_sorter::operator()): Adjust access to
10727         Input_section_info data member to use accessors.
10728         (Output_section_element_input::set_section_addresses): Use layout
10729         parameter.  Adjust code to use Output_section::Simple_input_section
10730         and Input_secction_info classes.  Register filler for relaxation
10731         clean up.
10732         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
10733         and section index pair with Output_section::Simple_input_section
10734         class.  Adjust code accordingly.
10735         (Phdrs_element::release_segment): New method definition.
10736         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
10737         segment list.
10738         (Script_sections::release_segments): New method definition.
10739         * gold/script-sections.h (Script_sections::release_segments): New
10740         method declaration.
10741         * gold/target.h (Target::may_relax, Target::relax,
10742         Target::do_may_relax, Target::do_relax): New method definitions.
10743
10744 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10745
10746         * arm.cc (has_signed_unsigned_overflow): New function.
10747         (Arm_relocate_functions::abs8): New function.
10748         (Target_arm::Scan::local): Handle R_ARM_ABS8.
10749         (Target_arm::Scan::global): Likewise.
10750         (Target_arm::relocate::relocate): Likewise.
10751         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10752         Likewise.
10753
10754 2009-09-16  Cary Coutant  <ccoutant@google.com>
10755
10756         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
10757         * testsuite/Makefile.in: Regenerate.
10758
10759 2009-09-11  Nick Clifton  <nickc@redhat.com>
10760
10761         * po/gold.pot: Updated by the Translation project.
10762
10763 2009-09-08  Cary Coutant  <ccoutant@google.com>
10764
10765         * output.cc (Output_file::open): Add execute permission to empty file.
10766         * testsuite/Makefile.am (permission_test): New test.
10767         * testsuite/Makefile.in: Regenerate.
10768
10769 2009-09-02  Ian Lance Taylor  <iant@google.com>
10770
10771         * output.cc (Output_file::resize): Call map_no_anonymous rather
10772         than map.
10773
10774 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
10775
10776         * gold.cc: Include "incremental.h".
10777         (queue_initial_tasks): Call Incremental_checker methods.
10778         * incremental.cc: Include "output.h".
10779         (Incremental_checker::can_incrementally_link_output_file): New
10780         method.
10781         * incremental.h (Incremental_checker): New class.
10782
10783         * output.cc (Output_file::open_for_modification): New method.
10784         (Output_file::map_anonymous): Changed return type to bool.  Record
10785         map in base_ field.
10786         (Output_file::map_no_anonymous): New method, broken out of map.
10787         (Output_file::map): Use map_no_anonymous and map_anonymous.
10788         * output.h (class Output_file): Update declarations.
10789
10790 2009-08-24  Cary Coutant  <ccoutant@google.com>
10791
10792         * options.h (Command_line::Pre_options): New class.
10793         (Command_line::pre_options): New member.
10794         * options.cc (gold::options::ready_to_register): New variable.
10795         (One_option::register_option): Do nothing if not registering options.
10796         Assert if same short option registered twice.
10797         (General_options::General_options): Turn off option registration when
10798         done constructing.
10799         (Command_line::Pre_options::Pre_options): New constructor.
10800
10801 2009-08-24  Cary Coutant  <ccoutant@google.com>
10802
10803         * options.h (General_options::no_keep_memory): Remove incorrect
10804         short option.
10805
10806 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10807
10808         * Makefile.am (am__skiplex, am__skipyacc): New.
10809         * Makefile.in: Regenerate.
10810
10811 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10812
10813         * Makefile.am (AM_CPPFLAGS): Renamed from ...
10814         (INCLUDES): ... this.
10815         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
10816         (AM_CPPFLAGS): Renamed from ...
10817         (INCLUDE): ... this.
10818         * Makefile.in, testsuite/Makefile.in: Regenerate.
10819
10820         * Makefile.in: Regenerate.
10821         * aclocal.m4: Likewise.
10822         * config.in: Likewise.
10823         * configure: Likewise.
10824         * testsuite/Makefile.in: Likewise.
10825
10826         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10827         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10828         * Makefile.in: Regenerate.
10829         * testsuite/Makefile.in: Regenerate.
10830
10831 2009-08-19  Cary Coutant  <ccoutant@google.com>
10832
10833         * resolve.cc (Symbol_table::resolve): Don't complain about defined
10834         symbols in shared libraries overridden by hidden or internal symbols
10835         in the main program.
10836
10837 2009-08-19  Chris Demetriou  <cgd@google.com>
10838
10839         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
10840         checking source file names in error messages.
10841
10842 2009-08-18  Doug Kwan  <dougkwan@google.com>
10843
10844         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
10845         an elcpp::Ehdr as parameter.  Adjust call to set_target.
10846         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
10847         an elfcpp::Ehdr as parameter.
10848         * object.cc (Object::set_target): Remove the version that looks up
10849         a target and sets it.
10850         (Sized_relobj::setup): Take a Target object instead of
10851         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
10852         (make_elf_sized_object): Find target and ask target to
10853         make an ELF object.
10854         * object.h: (Object::set_target): Remove the version that looks up
10855         a target and sets it.
10856         (Sized_relobj::setup): Take a Target object instead of
10857         an elfcpp:Ehdr as parameter.
10858         * target.cc: Include dynobj.h.
10859         (Target::do_make_elf_object_implementation): New.
10860         (Target::do_make_elf_object): New.
10861         * target.h (Target::make_elf_object): New template declaration.
10862         (Target::do_make_elf_object): New method declarations.
10863         (Target::do_make_elf_object_implementation): New template declaration.
10864
10865 2009-08-14  Ian Lance Taylor  <iant@google.com>
10866
10867         * gold.h (FUNCTION_NAME): Define.
10868         (gold_unreachable): Use FUNCTION_NAME.
10869
10870 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10871
10872         * icf.cc (Icf::find_identical_sections): Issue a warning when a
10873         symbol in the --keep-unique list is not found.
10874
10875 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10876
10877         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
10878         been maked as --keep-unique.
10879         (Icf::unfold_section): New function.
10880         * icf.h (Icf::unfold_section): New function.
10881         * options.h (General_options::keep_unique): New option.
10882         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
10883         * testsuite/Makefile.in: Regenerate.
10884         * testsuite/icf_keep_unique_test.sh: New file.
10885         * testsuite/icf_keep_unique_test.cc: New file.
10886
10887 2009-08-12  Cary Coutant  <ccoutant@google.com>
10888
10889         PR 10471
10890         * resolve.cc (Symbol_table::resolve): Check for references from
10891         dynamic objects to hidden and internal symbols.
10892         * testsuite/Makefile.am (hidden_test.sh): New test.
10893         * testsuite/Makefile.in: Regenerate.
10894         * testsuite/hidden_test.sh: New script.
10895         * testsuite/hidden_test_1.c: New test source.
10896         * testsuite/hidden_test_main.c: New test source.
10897
10898 2009-08-11  Doug Kwan  <dougkwan@google.com>
10899
10900         * arm.cc: Update comments.
10901         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
10902         segment to locate the .ARM.exidx section if present.
10903
10904 2009-08-09  Doug Kwan  <dougkwan@google.com>
10905
10906         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
10907         patch.
10908
10909 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
10910         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
10911         compiler warnings.
10912
10913 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
10914
10915         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
10916         valid tls_segment only for non-debug-section relocations.
10917         * testsuite/Makefile.am: Add gc_tls_test.
10918         * testsuite/Makefile.in: Regenerate.
10919         * testsuite/gc_tls_test.cc: New file.
10920         * testsuite/gc_tls_test.sh: New file.
10921
10922 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
10923
10924         * icf.cc: New file.
10925         * icf.h: New file.
10926         * Makefile.am (CCFILES): Add icf.cc.
10927         (HFILES): Add icf.h
10928         * Makefile.in: Regenerate.
10929         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
10930         * gc.h (gc_process_relocs): Populate lists used by icf to contain
10931         section, symbol and addend information for the relocs.
10932         * gold.cc (queue_middle_tasks): Call identical code folding.
10933         * gold.h: Add defines for multimap.
10934         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
10935         to the call of finalize_local_symbols.
10936         * main.cc (main): Create object of class Icf.
10937         * object.cc (Sized_relobj::do_layout): Allow this function to be
10938         called twice during icf.
10939         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
10940         to sections marked as identical by icf.
10941         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
10942         when available.
10943         (Sized_relobj::do_section_entsize): New function.
10944         * object.h (Object::section_entsize): New function.
10945         (Object::do_section_entsize): New pure virtual function.
10946         (Relobj::finalize_local_symbols): Add new parameter.
10947         (Relobj::do_section_entsize): New function.
10948         * options.h (General_options::icf): New option.
10949         (General_options::icf_iterations): New option.
10950         (General_options::print_icf_sections): New option.
10951         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
10952         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
10953         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
10954         icf.
10955         * symtab.cc (Symbol_table::is_section_folded): New function.
10956         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
10957         to sections marked as identical by icf.
10958         * symtab.h (Symbol_table::set_icf): New function.
10959         (Symbol_table::icf): New function.
10960         (Symbol_table::is_section_folded): New function.
10961         (Symbol_table::icf_): New data member.
10962         * target-reloc.h (relocate_section): Ignore sections folded by icf.
10963         * testsuite/Makefile.am: Add commands to build icf_test.
10964         * testsuite/Makefile.in: Regenerate.
10965         * testsuite/icf_test.sh: New file.
10966         * testsuite/icf_test.cc: New file.
10967
10968 2009-07-24  Chris Demetriou  <cgd@google.com>
10969
10970         * layout.cc (is_compressible_debug_section): Fix incorrect
10971         comment about compressed section names.
10972
10973 2009-07-20  Ian Lance Taylor  <ian@airs.com>
10974
10975         PR 10419
10976         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
10977
10978 2009-07-16  Ian Lance Taylor  <iant@google.com>
10979
10980         PR 10400
10981         * layout.h: #include <map>.
10982         (class Kept_section): Change from struct to class.  Add accessors
10983         and setters.  Add section size to Comdat_group mapping.  Change
10984         Comdat_group to std::map.  Add is_comdat_ field.  Add
10985         linkonce_size field in union.
10986         (class Layout): Update declaration of find_or_add_kept_section.
10987         Don't declare find_kept_object.
10988         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
10989         parameter.  Add object, shndx, is_comdat, and is_group_name
10990         parameters.  Change all callers.  Adjust for new Kept_section.
10991         (Layout::find_kept_object): Remove.
10992         * object.cc (Sized_relobj::include_section_group): Update use of
10993         Kept_section.  Rename secnum to shndx.  Only record
10994         Kept_comdat_section if sections are the same size.
10995         (Sized_relobj::include_linkonce_section): Update use of
10996         Kept_section.  Only record Kept_comdat_section if sections are the
10997         same size.  Set size of linkonce section.
10998         (Sized_relobj::map_to_kept_section): Update call to
10999         get_kept_comdat_section.
11000         * object.h (class Sized_relobj): Rename fields in
11001         Kept_comdat_section to drop trailing underscores; change object
11002         field to Relobj*.  Change Kept_comdat_section_table to store
11003         struct rather than pointer.
11004         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
11005         Add kept_object and kept_shndx parameters.  Change all callers.
11006         (Sized_relobj::get_kept_comdat_section): Change return type to
11007         bool.  Add kept_object and kept_shndx parameters.  Change all
11008         callers.
11009         * plugin.cc (Pluginobj::include_comdat_group): Update call to
11010         Layout::find_or_add_kept_section.
11011
11012 2009-07-09  Ian Lance Taylor  <iant@google.com>
11013
11014         * merge.cc (Object_merge_map::initialize_input_to_output_map):
11015         Reserve space in the hash table.
11016
11017 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
11018
11019         * fileread.cc (File_read::get_mtime): New method.
11020         * fileread.h (Timespec): New structure.
11021         (File_read::get_mtime): New method.
11022         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
11023         Renamed from timestamp_nsec.
11024         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
11025         Elf_Xword.
11026         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
11027         timestamp_nsec.
11028         (Incremental_inputs::report_archive): Save mtime; style fix.
11029         (Incremental_inputs::report_obejct): Save mtime; style fix.
11030         (Incremental_inputs::report_script): Save mtime; style fix.
11031         (Incremental_inputs::finalize_inputs): Style fix.
11032         (Incremental_inputs::finalize): Style fix.
11033         (Incremental_inputs::create_input_section_data): Store inputs
11034         mtime.
11035         * incremental.h (Incremental_inputs::report_script): Add mtime
11036         argument.
11037         (Incremental_inputs::Input_info::Input_info): Intialize only one
11038         union member.
11039         (Incremental_inputs::Input_info::archive): Move to nameless
11040         union.
11041         (Incremental_inputs::Input_info::obejct): Move to nameless union.
11042         (Incremental_inputs::Input_info::script): Move to nameless union.
11043         (Incremental_inputs::mtime): New field.
11044         * script.cc (read_input_script): Pass file mtime to
11045         Incremental_input.
11046         * script.h (Script_info::inputs): Style fix.
11047
11048 2009-07-01  Ian Lance Taylor  <ian@airs.com>
11049
11050         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
11051         instead of 32.
11052
11053 2009-06-24  Ian Lance Taylor  <iant@google.com>
11054
11055         PR 10156
11056         * layout.cc (Layout::choose_output_section): If we find an
11057         existing section, update the flags.
11058         (Layout::create_notes): New function, broken out of
11059         Layout::finalize.
11060         (Layout::finalize): Don't create note sections.
11061         (Layout::create_note): Don't crash if linker script discards
11062         section.
11063         (Layout::create_gold_note): Likewise.
11064         (Layout::create_build_id): Likewise.  Don't set
11065         after_input_sections on the section.
11066         (Layout::create_executable_stack_info): Remove target parameter.
11067         Change caller.
11068         * layout.h (class Layout): Declare create_notes.  Update
11069         declaration of create_executable_stack_info.
11070         * gold.cc (queue_middle_tasks): Call create_notes.
11071         * output.cc (Output_section::update_flags_for_input_section): Move
11072         here from output.h.  If SHF_ALLOC flag is newly set, mark address
11073         invalid.
11074         * output.h (Output_data::mark_address_invalid): New function.
11075         (class Output_section): Only declare, not define,
11076         update_flags_for_input_section.  Remove set_flags.
11077
11078 2009-06-24  Ian Lance Taylor  <iant@google.com>
11079
11080         * script-sections.cc (Output_section_definition::
11081         set_section_addresses): Rename shadowing local load_address to
11082         laddr.
11083
11084 2009-06-24  Ian Lance Taylor  <iant@google.com>
11085
11086         PR 10244
11087         * reloc.cc (relocate_sections): Skip empty relocation sections.
11088
11089 2009-06-23  Ian Lance Taylor  <iant@google.com>
11090
11091         PR 10156
11092         * layout.cc (Layout::create_note): Use choose_output_section
11093         rather than make_output_section.
11094
11095 2009-06-23  Ian Lance Taylor  <iant@google.com>
11096
11097         PR 10237
11098         * options.cc (General_options::parse_V): Set printed_version_.
11099         (General_options::General_options): Initialize printed_version_.
11100         * options.h (class General_options): Add printed_version_ field.
11101         * gold.cc (queue_initial_tasks): If there are no input files,
11102         don't give a fatal error if we printed the version information.
11103         (queue_middle_tasks): If using -r with a shared object, give a
11104         fatal error rather than an ordinary error.
11105
11106 2009-06-23  Ian Lance Taylor  <iant@google.com>
11107
11108         PR 10219
11109         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
11110         (Layout::make_output_section): Set have_stabstr_section_ if we see
11111         a .stab*str section.
11112         (Layout::finalize): Call link_stabs_sections.
11113         (Layout::link_stabs_sections): New file.
11114         * layout.h (class Layout): Add have_stabstr_section_ field.
11115         Declare link_stabs_sections.
11116
11117 2009-06-23  Doug Kwan  <dougkwan@google.com>
11118
11119         * Makefile.am (libgold_a_LIBADD): New.
11120         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
11121         * Makefile.in: Regenerate.
11122         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
11123         * configure: Regenerate.
11124         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
11125         * fileread.cc: Include sys/state.h
11126         * gold.h: Declare memmem and strndup if found missing.
11127         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
11128
11129 2009-06-23  Ian Lance Taylor  <iant@google.com>
11130
11131         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
11132         * configure: Rebuild.
11133
11134 2009-06-23  Ian Lance Taylor  <iant@google.com>
11135
11136         PR 10147
11137         * object.cc (Object::section_contents): Don't try to get a view if
11138         the section has length zero.
11139         (Object::handle_gnu_warning_section): If the section is empty, use
11140         the name of the section as the warning.
11141
11142 2009-06-23  Ian Lance Taylor  <iant@google.com>
11143
11144         PR 10133
11145         * stringpool.h (class Stringpool_template): Add optimize_ field.
11146         (Stringpool_template::set_optimize): New function.
11147         * stringpool.cc (Stringpool_template::Stringpool_template):
11148         Initialize optimize_ field.
11149         (Stringpool_template::set_string_offsets): Test local optimize
11150         fild rather than parameter.
11151         * layout.cc (Layout::Layout): Call set_optimize on the section
11152         name stringpool.
11153
11154 2009-06-22  Ian Lance Taylor  <iant@google.com>
11155
11156         PR 10030
11157         * yyscript.y: Parse TARGET.
11158         * script.cc (script_set_target): New function.
11159         * script-c.h (script_set_target): Declare.
11160         * options.cc (General_options::string_to_object_format): Rename
11161         from string_to_object_format in anonymous namespace.  Change
11162         callers.
11163         * options.h (class General_options): Declare
11164         string_to_object_format.
11165
11166 2009-06-22  Ian Lance Taylor  <iant@google.com>
11167
11168         * script-sections.cc (Script_sections::create_segments): Don't put
11169         program headers in a PT_LOAD segment if -n or -N.
11170
11171 2009-06-22  Ian Lance Taylor  <iant@google.com>
11172
11173         PR 10141
11174         * options.h (class General_options): Add -z lazy and -z now.  Sort
11175         -z options into alphabetical order.
11176         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
11177
11178 2009-06-21  Ian Lance Taylor  <iant@google.com>
11179
11180         * layout.cc (Layout::make_output_section): Call
11181         Target::new_output_section.
11182         (Layout::attach_allocated_section_to_segment): Put large section
11183         sections in a separate load segment with the large segment flag
11184         set.
11185         (Layout::segment_precedes): Sort large data segments after other
11186         load segments.
11187         (align_file_offset): New static function.
11188         (Layout::set_segment_offsets): Use align_file_offset.
11189         * output.h (class Output_section): Add is_small_section_ and
11190         is_large_section_ fields.
11191         (Output_section::is_small_section): New function.
11192         (Output_section::set_is_small_section):  New function.
11193         (Output_section::is_large_section): New function.
11194         (Output_section::set_is_large_section): New function.
11195         (Output_section::is_large_data_section): New function.
11196         (class Output_segment): Add is_large_data_segment_ field.
11197         (Output_segment::is_large_data_segment): New function.
11198         (Output_segment::set_is_large_data_segment): New function.
11199         * output.cc (Output_section::Output_section): Initialize new
11200         fields.
11201         (Output_segment::Output_segment): Likewise.
11202         (Output_segment::add_output_section): Add assertion that large
11203         data sections always go in large data segments.  Force small data
11204         sections to the end of the list of data sections.  Force small BSS
11205         sections to the start of the list of BSS sections.  For large BSS
11206         sections to the end of the list of BSS sections.
11207         * symtab.h (class Symbol): Declare is_common_shndx.
11208         (Symbol::is_defined): Check Symbol::is_common_shndx.
11209         (Symbol::is_common): Likewise.
11210         (class Symbol_table): Define enum Commons_section_type.  Update
11211         declarations.  Add small_commons_ and large_commons_ fields.
11212         * symtab.cc (Symbol::is_common_shndx): New function.
11213         (Symbol_table::Symbol_table): Initialize new fields.
11214         (Symbol_table::add_from_object): Put small and large common
11215         symbols in the right list.
11216         (Symbol_table::sized_finalized_symbol): Check
11217         Symbol::is_common_shndx.
11218         (Symbol_table::sized_write_globals): Likewise.
11219         * common.cc (Symbol_table::do_allocate_commons): Allocate new
11220         common symbol lists.  Don't call do_allocate_commons_list if the
11221         list is empty.
11222         (Symbol_table::do_allocate_commons_list): Remove is_tls
11223         parameter.  Add comons_section_type parameter.  Change all
11224         callers.  Handle small and large common symbols.
11225         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
11226         Symbol::is_common_shndx.
11227         * resolve.cc (symbol_to_bits): Likewise.
11228         * target.h (Target::small_common_shndx): New function.
11229         (Target::small_common_section_flags): New function.
11230         (Target::large_common_shndx): New function.
11231         (Target::large_common_section_flags): New function.
11232         (Target::new_output_section): New function.
11233         (Target::Target_info): Add small_common_shndx, large_common_shndx,
11234         small_common_section_flags, and large_common_section_flags
11235         fields.
11236         (Target::do_new_output_section): New virtual function.
11237         * arm.cc (Target_arm::arm_info): Initialize new fields.
11238         * i386.cc (Target_i386::i386_info): Likewise.
11239         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
11240         Likewise.
11241         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
11242         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11243         (Target_x86_64::do_new_output_section): New function.
11244         * configure.ac: Define conditional MCMODEL_MEDIUM.
11245         * testsuite/Makefile.am (check_PROGRAMS): Add large.
11246         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
11247         (large_LDFLAGS): Define.
11248         * testsuite/large.c: New file.
11249         * testsuite/testfile.cc (Target_test::test_target_info):
11250         Initialize new fields.
11251         * configure, testsuite/Makefile.in: Rebuild.
11252
11253 2009-06-05  Doug Kwan  <dougkwan@google.com>
11254
11255         * Makefile.am (CCFILES): Add target.cc.
11256         * Makefile.in: Regenerate.
11257         * i386.cc (class Target_i386): Define new virtual method to
11258         override do_is_local_label_name in parent.
11259         * object.cc (Sized_relobj::do_count_local_symbols): Discard
11260         local symbols if --discard-locals or -X is given.
11261         * options.h (class General_options): Declare new options
11262         '--discard-locals' and '-X' for discarding locals.
11263         * target.h (class Target): Define new methods is_local_label_name.
11264         Declare new virtual method do_is_local_label_name.
11265         * target.cc: New file.
11266         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
11267         (check_SCRIPTS): Add discard_locals_test.sh.
11268         (check_DATA): Add discard_local_tests.syms.
11269         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
11270         (discard_local_tests.syms, discard_locals_test.o): New make rules.
11271         * testsuite/Makefile.in: Regenerate.
11272         * testsuite/discard_locals_test.c: New file.
11273         * testsuite/discard_locals_test.sh: Same.
11274
11275 2009-06-05  Doug Kwan  <dougkwan@google.com>
11276
11277         * object.cc (Sized_relobj::Sized_relobj): Initialize
11278         discarded_eh_frame_shndx_ to -1U.
11279         (Sized_relobj::do_layout): Record index of a discard .eh_frame
11280         section.
11281         (Sized_relobj::do_count_local_symbols): Skip local symbols in
11282         a discarded .eh_frame section.
11283         (Sized_relobj::do_finalize_local_symbols): Ditto.
11284         * object.h (class Sized_relobj): Declare new member
11285         discarded_eh_frame_shndx_.
11286         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
11287         (local_labels_test.o, local_labels_test): New rules.
11288         * testsuite/Makefile.in: Regenerate.
11289
11290 2009-06-04  Doug Kwan  <dougkwan@google.com>
11291
11292         * layout.cc (Layout::section_name_mapping): Add mapping for
11293         special ARM sections.
11294
11295 2009-06-03  Doug Kwan  <dougkwan@google.com>
11296
11297         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
11298         (utils::has_overflow): Same.
11299
11300 2009-06-03  Ian Lance Taylor  <iant@google.com>
11301
11302         * layout.cc (Layout::section_name_mapping): New array, replacing
11303         Layout::linkonce_mapping.
11304         (Layout::section_name_mapping_count): New variable, replacing
11305         Layout::linkonce_mapping_count.
11306         (Layout::linkonce_output_name): Remove.
11307         (Layout::output_section_name): Rewrite.
11308         * layout.h (class Layout): Rename Linkonce_mapping to
11309         Section_name_mapping, linkonce_mapping to section_name_mapping,
11310         linkonce_mapping_count to section_name_mapping_count.  Don't
11311         declare linkonce_output_name.
11312
11313 2009-06-03  Doug Kwan  <dougkwan@google.com>
11314
11315         * gold/arm.cc (namespace utils): New.
11316         (Target_arm::reloc_is_non_pic): Define new method.
11317         (class Arm_relocate_functions): New.
11318         (Target_arm::Relocate::relocate): Handle relocation types used by
11319         Android.
11320
11321 2009-06-03  Ian Lance Taylor  <iant@google.com>
11322
11323         * arm.cc (Target_arm::scan::global): Use || instead of |.
11324
11325 2009-06-02  Doug Kwan  <dougkwan@google.com>
11326
11327         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
11328         issued_non_pic_error_.
11329         (class Target_arm::Scan): Declare new method check_non_pic.
11330         Define new method symbol_needs_plt_entry.
11331         Declare new data member issued_non_pic_error_.
11332         (class Target_arm::Relocate): Declare new method
11333         should_apply_static_reloc.
11334         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
11335         (Target_arm::Scan::check_non_pic): Define new method.
11336         (Target_arm::Scan::local): Handle a small subset of reloc types used
11337         by Android.
11338         (Target_arm::Scan::local): Same.
11339         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
11340
11341 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
11342
11343         * incremental.cc (Incremental_inputs::report_command_line): Filter
11344         out --incremental-* options.
11345
11346 2009-05-29  Doug Kwan  <dougkwan@google.com>
11347
11348         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
11349         template class.
11350         (class Target_arm): Update comment.
11351         (Target_arm::Target_arm): Initialize new data members GOT_,
11352         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
11353         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
11354         and Target_arm::rel_dyn_section.
11355         Declare new_enum Target_arm::Got_type.
11356         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
11357         and DYNBSS_.
11358         Update commments for member do_dynsym_value.
11359         (Target_arm::got_size, Target_arm::plt_section,
11360         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
11361         new methods inside class defintion.
11362         (Target_arm::got_section): Define new method.
11363         (Target_arm::rel_dyn_section): Same.
11364         (Output_data_plt_arm): New template class.
11365         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
11366         (Output_data_plt_arm:do_adjust_output_section): Define new method.
11367         (Output_data_plt_arm::add_entry): Same.
11368         (Output_data_plt_arm::first_plt_entry): Define new
11369         static data member for PLT instruction template.
11370         (Output_data_plt_arm::plt_entry): Same.
11371         (Output_data_plt_arm::do_write): Define new method.
11372         (Target_arm::make_plt_entry): Same.
11373         (Target_arm::do_finalize_sections): Same.
11374         (Target_arm::do_dynsym_value): Same.
11375
11376 2009-05-28  Doug Kwan  <dougkwan@google.com>
11377
11378         * Makefile.am (TARGETSOURCES): Add arm.cc.
11379         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
11380         * Makefile.in: Regenerate.
11381         * arm.cc: New file.
11382         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
11383
11384 2009-05-26  Doug Kwan  <dougkwan@google.com>
11385
11386         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
11387         (General_options::check_excluded_libs): Strip off directories in
11388         archive name before matching like GNU ld does.
11389         * testsuite/Makefile.am (MOSTLYCLEANFILES,
11390         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
11391         (exclude_libs_test_LDFLAGS): Add linker option
11392         -Wl,--exclude-libs,libexclude_libs_test_3
11393         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
11394         an explicit archive without using -l.
11395         (alt/libexclude_libs_test_3.a): New make rule.
11396         * testsuite/Makefile.in: Regenerate.
11397         * testsuite/exclude_libs_test.c : Declare lib3_default().
11398         (main): Call it.
11399         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
11400         * exclude_libs_test_3.c: New file.
11401
11402 2009-05-26  Nick Clifton  <nickc@redhat.com>
11403
11404         * po/id.po: New Indonesian translation.
11405         * po/gold.pot: Updated template file.
11406
11407 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
11408
11409         * testsuite/Makefile.am: Add -ffunction-sections to compile
11410         gc_comdat_test files.  Add -Wl,--gc-sections to build
11411         gc_comdat_test.
11412         * testsuite/Makefile.in: Regenerate.
11413         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
11414
11415 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
11416
11417         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
11418         kept comdat section was garbage collected.
11419         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
11420         * testsuite/Makefile.in: Regenerate.
11421         * testsuite/gc_comdat_test.sh: New file.
11422         * testsuite/gc_comdat_test_1.cc: New file.
11423         * testsuite/gc_comdat_test_2.cc: New file.
11424
11425 2009-05-19  Doug Kwan  <dougkwan@google.com>
11426
11427         * archive.cc (Archive::Archive): Move constructor from archive.h
11428         to here.  Initialize no_export_.
11429         (Archive::get_elf_object_for_member): Set no_export flag of object.
11430         * archive.h (Archive::Archive): Move constructor body to
11431         archive.cc.
11432         (Archive::no_export): New method.
11433         (Archive::no_export_): New field.
11434         * object.h (Object::Object): Initialize no_export_ to false.
11435         (Object::no_export, Object::set_no_export): New methods.
11436         (Object::no_export_): New field.
11437         * options.cc (General_options::parse_exclude_libs): New method.
11438         (General_options::check_excluded_libs) Same.
11439         * options.h (exclude_libs): New option.
11440         (General_options::check_excluded_libs): New method declaration.
11441         (General_options::excluded_libs_): New field.
11442         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
11443         default or protected visibility if an object has no-export flag set.
11444         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
11445         (check_SCRIPTS): Add exclude_libs_test.sh.
11446         (check_DATA): Add exclude_libs_test.syms.
11447         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
11448         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
11449         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
11450         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
11451         (exclude_libs_test.syms, libexclude_libs_test_1.a,
11452         libexclude_libs_test_2.a): New rules.
11453         * testsuite/Makefile.in: Regenerate.
11454         * testsuite/exclude_libs_test.c: New file.
11455         * testsuite/exclude_libs_test.sh: Ditto.
11456         * testsuite/exclude_libs_test_1.c: Ditto.
11457         * testsuite/exclude_libs_test_2.c: Ditto.
11458
11459 2009-05-15  Ian Lance Taylor  <iant@google.com>
11460
11461         * configure.ac: Check for declarations for cases where libiberty.h
11462         checks HAVE_DECL_xxx.
11463         * configure, config.in: Rebuild.
11464
11465 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
11466
11467         * gold.h (Incremental_argument_list): Remove (invalid) forward
11468         declaration.
11469         * incremental.cc (Incremental_inputs::report_achive): New method.
11470         (Incremental_inputs::report_object): New method.
11471         (Incremental_inputs::report_script): New method.
11472         (Incremental_inputs::finalize_inputs): New method.
11473         (Incremental_inputs::finalize): Call finalize_inputs().
11474         (Incremental_inputs::sized_create_incremental_inputs_section_data):
11475         Create inputs entries.
11476         * incremental.h (Incremental_input_type): New enum.
11477         (Incremental_inputs::Incremental_input): Initialize new fields.
11478         (Incremental_inputs::report_inputs): New method.
11479         (Incremental_inputs::report_achive): New method.
11480         (Incremental_inputs::report_object): New method.
11481         (Incremental_inputs::report_script): New method.
11482         (Incremental_inputs::finalize_inputs): New method.
11483         (Incremental_inputs::Input_info): New struct.
11484         (Incremental_inputs::Input_info_map): New typedef.
11485         (Incremental_inputs::lock_): New field.
11486         (Incremental_inputs::Inputs_): New field.
11487         (Incremental_inputs::Inputs_map): New field.
11488         * main.cc (main): Call Incremental_input::report_inputs.
11489         * options.h (Input_argument_list): Typedef moved from
11490         Input_arguments.
11491         (Input_file_group::Files): Remove, use ::Input_argument_list.
11492         (Input_file_group::Input_argument_list): Remove, use
11493         ::Input_argument_list.
11494         * plugin.cc (Plugin_manager::add_input_file): Add error in
11495         incremental build.
11496         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
11497         functions.
11498         * script.cc (read_input_script): Call
11499         Incremental_input::report_script.
11500         * script.h (Script_info): New class.
11501
11502 2009-04-27  Ian Lance Taylor  <iant@google.com>
11503
11504         * x86_64.cc (do_adjust_output_section): Set entsize to
11505         plt_entry_size.
11506
11507 2009-04-23  Elliott Hughes  <enh@google.com>
11508
11509         * output.cc (Output_file::close): After short writes, continue
11510         writing from the correct offset in the buffer being written.
11511
11512 2009-04-23  Chris Demetriou  <cgd@google.com>
11513
11514         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
11515         * configure: Regenerate.
11516         * config.in: Regenerate.
11517         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
11518         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
11519
11520 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
11521
11522         * incremental.cc (Incremental_inputs_header_data): Renamed from
11523         Incremental_input_header_data.
11524         (Incremental_inputs_header_data::data_size): New field.
11525         (Incremental_inputs_header_data::put_input_file_count): Renamed
11526         from input_file_count.
11527         (Incremental_inputs_header_data::put_command_line_offset): Renamed
11528         from command_line_offset.
11529         (Incremental_inputs_header_data::put_reserved): Renamed from
11530         put_reserved.
11531         (Incremental_inputs_entry_data): Renamed from
11532         Incremental_input_entry_data.
11533         (Incremental_inputs_entry_data::data_size): New field.
11534         (Incremental_inputs::report_command_line): New method.
11535         (Incremental_inputs::finalize): New method.
11536         (Incremental_inputs::create_incremental_inputs_data): New method.
11537         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
11538         * incremental.h: New file.
11539         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
11540         (Layout::finalize): Create incremental inputs section in
11541         incremental builds.
11542         (Layout::create_incremental_info_sections): New method.
11543         * layout.h (Layout::incremental_inputs): New method.
11544         (Layout::create_incremental_info_sections): New method.
11545         (Layout::incremental_inputs_): New field.
11546         * main.cc (main): Notify Incremental_input of the command line.
11547
11548 2009-04-01  Ian Lance Taylor  <iant@google.com>
11549             Mikolaj Zalewski  <mikolajz@google.com>
11550
11551         * gold.h (reserve_unordered_map): Define, three versions, one for
11552         each version of Unordered_map.
11553         * layout.cc (Layout::Layout): Remove options parameter.  Add
11554         number_of_input_files parameter.  Don't initialize options_.
11555         Initialize number_of_input_files_ and resized_signatures_.  Move
11556         sections_are_attached_.
11557         (Layout::layout_group): Reserve space for group_signatures_.
11558         (Layout::find_or_add_kept_section): Change name parameter to be a
11559         reference.  Resize signatures_ map when it gets large enough.
11560         (Layout::layout_eh_frame): Use parameters->options() instead of
11561         this->options_.
11562         (Layout::make_output_section): Likewise.
11563         (Layout::attach_allocated_section_to_segment): Likewise.
11564         (Layout::finalize, Layout::create_executable_stack): Likewise.
11565         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
11566         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
11567         * layout.h (class Layout): Update declarations.  Remove options_
11568         field.  Add number_of_input_files_ and resized_signatures_
11569         fields.  Move sections_are_attached_ field.
11570         * main.cc (main): Pass number of input files to Layout
11571         constructor.  Don't pass options.
11572
11573 2009-03-30  Ian Lance Taylor  <iant@google.com>
11574
11575         * ffsll.c (ffsll): Correct implementation.
11576
11577 2009-03-27  Ian Lance Taylor  <iant@google.com>
11578
11579         * ffsll.c: New file.
11580         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
11581         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
11582         * ftruncate.c (ftruncate): Declare before definition.
11583         * mremap.c (mremap): Likewise.
11584         * pread.c (pread): Likewise.
11585         * configure, Makefile.in, config.in: Rebuild.
11586
11587         * mremap.c: New file.
11588         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
11589         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
11590         (mremap): Declare if HAVE_MREMAP is not defined.
11591         * configure, Makefile.in, config.in: Rebuild.
11592
11593 2009-03-27  Cary Coutant  <ccoutant@google.com>
11594
11595         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
11596         position independent.
11597         * sparc.cc (Target_sparc::check_non_pic): Likewise.
11598         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
11599
11600 2009-03-24  Cary Coutant  <ccoutant@google.com>
11601
11602         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
11603         an executable.
11604         (needs_dynamic_reloc): Likewise.
11605
11606 2009-03-24  Ian Lance Taylor  <iant@google.com>
11607
11608         * yyscript.y (file_cmd): Recognize EXTERN.
11609         (extern_name_list, extern_name_list_body): New nonterminals.
11610         * script.cc (script_add_extern): Define.
11611         * script-c.h (script_add_extern): Declare.
11612
11613 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
11614
11615         * object.cc (is_elf_object): Define.
11616         * object.h (is_elf_object): Declare.
11617         * archive.cc (Archive::get_elf_object_for_member): Call
11618         is_elf_object.
11619         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
11620
11621 2009-03-24  Elliott Hughes  <enh@google.com>
11622
11623         * output.cc (Output_file::map_anonymous): Define.
11624         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
11625         try an anonymous one.  Report the size if the mmap fails.
11626         * output.h (class Output_file): Declare map_anonymous.
11627
11628 2009-03-24  Ian Lance Taylor  <iant@google.com>
11629
11630         * target-select.cc (instantiate_target): Don't acquire the lock if
11631         the instantiated_target_ field has already been set.
11632
11633 2009-03-23  Ian Lance Taylor  <iant@google.com>
11634
11635         * gold-threads.h (class Initialize_lock): Define.
11636         * gold-threads.cc (class Initialize_lock_once): Define.
11637         (initialize_lock_control): New static variable.
11638         (initialize_lock_pointer): New static variable.
11639         (initialize_lock_once): New static function.
11640         (Initialize_lock::Initialize_lock): Define.
11641         (Initialize_lock::initialize): Define.
11642         * target-select.h: Include "gold-threads.h".
11643         (class Target_selector): Add lock_ and initialize_lock_ fields.
11644         Don't define instantiate_target, just declare it.
11645         * target-select.cc (Target_selector::Target_selector): Initialize
11646         new fields.
11647         (Target_selector::instantiate_target): Define.
11648         * descriptors.h: Include "gold-threads.h".
11649         (class Descriptors): Add initialize_lock_ field.
11650         * descriptors.cc (Descriptors::Descriptors): Initialize new
11651         field.
11652         (Descriptors::open): Use initialize_lock_ field
11653         * errors.h (class Errors): Add initialize_lock_ field.
11654         * errors.cc (Errors::Errors): Initialize new field.
11655         (Errors::initialize_lock): Use initialize_lock_ field.
11656         * powerpc.cc (class Target_selector_powerpc): Remove
11657         instantiated_target_ field.  In do_recognize call
11658         instantiate_target rather than do_instantiate_target.  In
11659         do_instantiate_target just allocate a new target.
11660         * sparc.cc (class Target_selector_sparc): Likewise.
11661
11662         * freebsd.h: New file.
11663         * i386.cc: Include "freebsd.h".
11664         (Target_i386): Derive from Target_freebsd rather than
11665         Sized_target.
11666         (Target_selector_i386): Derive from Target_selector_freebsd rather
11667         than Target_selector.
11668         * x86_64.cc: Include "freebsd.h".
11669         (Target_x86_64): Derive from Target_freebsd rather than
11670         Sized_target.
11671         (Target_selector_x86_64): Derive from Target_selector_freebsd
11672         rather than Target_selector.
11673         * target.h (class Target): Add adjust_elf_header and
11674         do_adjust_elf_header.
11675         * output.cc (Output_file_header:: do_sized_write): Call target
11676         adjust_elf_header routine.
11677         * configure.tgt: Set targ_osabi.
11678         * configure.ac: Define GOLD_DEFAULT_OSABI.
11679         * parameters.cc (Parameters::default_target): Pass
11680         GOLD_DEFAULT_OSABI to select_target.
11681         * target-select.h (class Target_selector): Make instantiate_target
11682         protected rather than private.
11683         * Makefile.am (HFILES): Add freebsd.h.
11684         * configure, Makefile.in, config.in: Rebuild.
11685
11686         * merge.cc (do_add_input_section): Correct pend value.  Change
11687         message about last entry not being null terminated from error to
11688         warning.
11689
11690 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
11691
11692         * incremental.cc: New file.
11693         * Makefile.am (CCFILES): Add incremental.cc.
11694         * Makefile.in: Rebuild.
11695
11696 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
11697
11698         * layout.cc (Layout::output_section_name): Preserve names
11699         of '.note.' sections.
11700
11701 2009-03-19  Ian Lance Taylor  <iant@google.com>
11702
11703         * descriptors.cc (Descriptors::open): Check that the options are
11704         valid before using them.
11705
11706 2009-03-18  Ian Lance Taylor  <iant@google.com>
11707
11708         * script-sections.h: Include <list>.
11709         (class Script_sections): Change Sections_elements from std::vector
11710         to std::list.  Typedef public Elements_iterator.  Add
11711         orphan_section_placement_, data_segment_align_start_, and
11712         saw_data_segment_align_ fields.  Remove data_segment_align_index_
11713         field.
11714         * script-sections.cc (class Orphan_section_placement): New class.
11715         (class Sections_element): Add virtual functions is_relro and
11716         orphan_section_init.  Remove virtual function place_orphan_here.
11717         (class Output_section_definition): Add is_relro and
11718         orphan_section_init.  Remove place_orphan_here.
11719         (class Orphan_output_section): Likewise.
11720         (Script_sections::Script_sections): Update for field changes.
11721         (Script_sections::data_segment_align): Set saw_data_segment_align_
11722         and data_segment_align_start_, not data_segment_align_index.
11723         (Script_sections::data_segment_relro_end): Check
11724         saw_data_segment_align_.  Use data_segment_align_start_ rather
11725         than data_segment_align_index_.
11726         (Script_sections::place_orphan): Rewrite to use
11727         Orphan_section_placement.
11728
11729 2009-03-17  Ian Lance Taylor  <iant@google.com>
11730
11731         * archive.cc (Archive::add_symbols): Check for a version attached
11732         to the symbol name in the archive map.
11733         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
11734         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
11735         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
11736         (ver_test_11.a): New target.
11737         * testsuite/Makefile.in: Rebuild.
11738
11739         * configure.ac: Check for chsize and posix_fallocate.  Replace
11740         ftruncate.
11741         * ftruncate.c: New file, from gnulib.
11742         * output.cc (posix_fallocate): Define dummy version if not
11743         HAVE_POSIX_FALLOCATE.
11744         (Output_file::map): Call posix_fallocate rather than lseek and
11745         write.
11746         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
11747         * configure, Makefile.in, config.in: Rebuild.
11748
11749 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
11750
11751         * layout.h (Layout::create_note): Add section_name parameter.
11752         * layout.cc (Layout::create_note): Likewise.
11753         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
11754
11755 2009-03-17  Ian Lance Taylor  <iant@google.com>
11756
11757         * descriptors.cc: Include "options.h".
11758         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
11759         (Descriptors::open): Always use O_CLOEXEC when opening a new
11760         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
11761         then set FD_CLOEXEC.
11762
11763         * sparc.cc (class Target_sparc): Add has_got_section.
11764         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
11765         make sure we have a GOT section.
11766
11767         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
11768         (Target_sparc::Scan::local): Likewise.
11769         (Target_sparc::Scan::global): Likewise.
11770         (Target_sparc::Relocate::relocate): Likewise.
11771         (Target_sparc::Relocate::relocate_tls): Likewise.
11772
11773         * symtab.cc (Symbol_table::define_default_version): New function,
11774         broken out of add_from_object.
11775         (Symbol_table::add_from_object): Call define_default_version.
11776         (Symbol_table::define_special_symbol): Add resolve_oldsym
11777         parameter.  Change all callers.  If the version for a symbol comes
11778         from a version script, resolve it with the symbol with the same
11779         name with no version.  Also add the symbol without a version if
11780         appropriate.
11781         (do_define_in_output_data): If resolving with oldsym, don't delete
11782         sym.
11783         (do_define_in_output_segment): Likewise.
11784         (do_define_as_constant): Likewise.
11785         * symtab.h (class Symbol_table): Update declarations.
11786
11787 2009-03-13  Ian Lance Taylor  <iant@google.com>
11788
11789         * readsyms.cc (Read_symbols::incompatible_warning): New function.
11790         (Read_symbols::requeue): New function.
11791         (Read_symbols::do_read_symbols): If make_elf_object fails because
11792         the target type is not configured, and the file was searched for,
11793         issue a warning and retry with the next directory.
11794         (Add_symbols::run): If the file has an incompatible format, and
11795         it was searched for, requeue the Read_symbols task.  On error,
11796         release the object.
11797         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
11798         dirindex parameter to constructor.  Change all callers.  Declare
11799         incompatible_warning and requeue.
11800         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
11801         input_argument_ and input_group_ fields.  Add them to
11802         constructor.  Change all callers.
11803         (class Read_script): Add dirindex_ field.  Add it to constructor.
11804         Change all callers.
11805         * archive.cc (Archive::setup): Remove input_objects parameter.
11806         Change all callers.
11807         (Archive::get_file_and_offset): Likewise.
11808         (Archive::read_all_symbols): Likewise.
11809         (Archive::read_symbols): Likewise.
11810         (Archive::get_elf_object_for_member): Remove input_objects
11811         parameter.  Add punconfigured parameter.  Change all callers.
11812         (Archive::add_symbols): Change return type to bool.  Check return
11813         value of include_member.
11814         (Archive::include_all_members): Likewise.
11815         (Archive::include_member): Change return type to bool.  Return
11816         false if first included object has incompatible target.  Set
11817         included_member_ field.
11818         (Add_archive_symbols::run): If add_symbols returns false, requeue
11819         Read_symbols task.
11820         * archive.h (class Archive): Add included_member_ field.
11821         Initialize it in constructor.  Add input_file and searched_for
11822         methods.  Update declarations.
11823         (class Add_archive_symbols): Add dirpath_, dirindex_, and
11824         input_argument_ fields.  Add them to constructor.  Change all
11825         callers.
11826         * script.cc: Include "target-select.h".
11827         (class Parser_closure): Add skip_on_incompatible_target_ and
11828         found_incompatible_target_ fields.  Add
11829         skip_on_incompatible_target parameter to constructor.  Change all
11830         callers.  Add methods skip_on_incompatible_target,
11831         clear_skip_on_incompatible_target, found_incompatible_target, and
11832         set_found_incompatible_target.
11833         (read_input_script): Add dirindex parameter.  Change all callers.
11834         If parser finds an incompatible target, requeue Read_symbols
11835         task.
11836         (script_set_symbol): Clear skip_on_incompatible_target in
11837         closure.
11838         (script_add_assertion, script_parse_option): Likewise.
11839         (script_start_sections, script_add_phdr): Likewise.
11840         (script_check_output_format): New function.
11841         * script.h (read_input_script): Update declaration.
11842         * script-c.h (script_check_output_format): Declare.
11843         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
11844         (ignore_cmd): Remove OUTPUT_FORMAT.
11845         * fileread.cc (Input_file::Input_file): Add explicit this.
11846         (Input_file::will_search_for): New function.
11847         (Input_file::open): Add pindex parameter.  Change all callers.
11848         * fileread.h (class Input_file): Add input_file_argument method.
11849         Declare will_search_for.  Update declarations.
11850         * object.cc (make_elf_object): Add punconfigured parameter.
11851         Change all callers.
11852         * object.h (class Object): Make input_file public.  Add
11853         searched_for method.
11854         (make_elf_object): Update declaration.
11855         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
11856         restart search.
11857         * dirsearch.h (class Dirsearch): Update declaration.
11858         * options.h (class General_options): Add --warn-search-mismatch.
11859         * parameters.cc (Parameters::is_compatible_target): New function.
11860         * parameters.h (class Parameters): Declare is_compatible_target.
11861         * workqueue.cc (Workqueue::add_blocker): New function.
11862         * workqueue.h (class Workqueue): Declare add_blocker.
11863
11864         * fileread.cc (Input_file::open): Remove options parameter.
11865         Change all callers.
11866         (Input_file::open_binary): Likewise.
11867         * script.cc (read_input_script): Likewise.
11868         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
11869         options parameter from constructor.  Change all callers.
11870         (class Read_script): Likewise.
11871         * fileread.h (class Input_file): Update declarations.
11872         * script.h (read_input_script): Update declaration.
11873
11874 2009-03-10  Nick Clifton  <nickc@redhat.com>
11875
11876         * po/es.po: New Spanish translation.
11877
11878 2009-03-06  Cary Coutant  <ccoutant@google.com>
11879
11880         * options.cc (parse_short_option): Keep dash_z from registering itself.
11881
11882 2009-03-03  Ian Lance Taylor  <iant@google.com>
11883
11884         PR 9918
11885         * target-reloc.h (relocate_section): Pass output_section to
11886         relocate.
11887         * i386.cc (Target_i386::should_apply_static_reloc): Add
11888         output_section parameter.  Change all callers.
11889         (Target_i386::Relocate::relocate): Add output_section parameter.
11890         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11891         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
11892         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
11893         * testsuite/two_file_shared.sh: New script.
11894         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
11895         (check_DATA): Add two_file_shared.dbg.
11896         (two_file_shared.dbg): New target.
11897         * testsuite/Makefile.in: Rebuild.
11898
11899 2009-03-01  Ian Lance Taylor  <iant@google.com>
11900
11901         * configure.ac: Check for byteswap.h.
11902         * configure: Rebuild.
11903         * config.in: Rebuild.
11904
11905 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
11906
11907         * layout.cc (Layout::find_or_add_kept_section): New function.
11908         (Layout::add_comdat): Removed.
11909         * layout.h (struct Kept_section): Move out of class Layout.
11910         Remove trailing underscores from field names.  Add group_sections
11911         field.  Rename group_ field to is_group.  Change all uses.
11912         (class Layout): Declare find_or_add_kept_section, not add_comdat.
11913         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
11914         comdat_groups_ field.
11915         (Sized_relobj::include_section_group): Use
11916         find_or_add_kept_section and Kept_section::group_sections.
11917         (Sized_relobj::include_linkonce_section): Likewise.
11918         * object.cc (class Sized_relobj): Don't define Comdat_group or
11919         Comdat_group_table.  Remove find_comdat_group and
11920         add_comdat_group.  Remove comdat_groups_ field.
11921         * plugin.cc (include_comdat_group): Use
11922         Layout::find_or_add_kept_section.
11923
11924 2009-02-28  Ian Lance Taylor  <iant@google.com>
11925
11926         * README: --gc-sections and map files are now supported.  Document
11927         some build requirements.
11928
11929         PR 6992
11930         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
11931         relocatable link set the value of the section symbol to zero.
11932         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
11933         relocatable link don't include the section address in the local
11934         symbol value.
11935
11936 2009-02-27  Ian Lance Taylor  <iant@google.com>
11937
11938         PR 6811
11939         * options.h (class Search_directory): Add is_system_directory.
11940         (class General_options): Declare is_in_system_directory.
11941         * options.cc (get_relative_sysroot): Make static.
11942         (get_default_sysroot): Make static.
11943         (General_optoins::is_in_system_directory): New function.
11944         * fileread.cc (Input_file::is_in_system_directory): New function.
11945         * fileread.h (class Input_file): Declare is_in_system_directory.
11946         * object.h (class Object): Add is_in_system_directory.
11947         (class Input_objects): Remove system_library_directory_ field.
11948         * object.cc (Input_objects::add_object): Don't set
11949         system_library_directory_.
11950         (input_objects::found_in_system_library_directory): Remove.
11951         * symtab.cc (Symbol_table::write_globals): Remove input_objects
11952         parameter.  Change all callers.
11953         (Symbol_table::sized_write_globals): Likewise.
11954         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
11955         Call Object::is_in_system_directory.
11956         * symtab.h (class Symbol_table): Update declarations.
11957
11958         PR 5990
11959         * descriptors.h (Open_descriptor): Add is_on_stack field.
11960         * descriptors.cc (Descriptors::open): If the descriptor is on the
11961         top of the stack, remove it.  Initialize is_on_stack field.
11962         (Descriptors::release): Only add pod to stack if it is not on the
11963         stack already.
11964         (Descriptors::close_some_descriptor): Clear stack_next and
11965         is_on_stack fields.
11966
11967         PR 7091
11968         * output.cc (Output_section::find_starting_output_address): Rename
11969         from starting_output_address; add PADDR parameter; change return
11970         type.
11971         * output.h (class Output_section): Declare
11972         find_starting_output_address instead of starting_output_address.
11973         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
11974         section symbol for which we can't find a merge section.
11975
11976         PR 9836
11977         * symtab.cc (Symbol_table::add_from_object): If the visibility is
11978         hidden or internal, force the symbol to be local.
11979         * resolve.cc (Symbol::override_visibility): Define.
11980         (Symbol::override_base): Use override_visibility.
11981         (Symbol_table::resolve): Likewise.
11982         (Symbol::override_base_with_special): Likewise.
11983         (Symbol_table::override_with_special): If the visibility is hidden
11984         or internal, force the symbol to be local.
11985         * symtab.h (class Symbol): Add set_visibility and
11986         override_visibility.
11987         * testsuite/ver_test_1.sh: New file.
11988         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
11989         (check_DATA): Add ver_test_1.syms.
11990         (ver_test_1.syms): New target.
11991         * testsuite/Makefile.in: Rebuild.
11992
11993 2009-02-25  Cary Coutant  <ccoutant@google.com>
11994
11995         * layout.cc (Layout::choose_output_section): Don't rename sections
11996         when using a linker script that has a SECTIONS clause.
11997         * Makefile.in: Regenerate.
11998
11999         * testsuite/Makefile.am (script_test_5.sh): New test case.
12000         * testsuite/Makefile.in: Regenerate.
12001         * testsuite/script_test_5.cc: New file.
12002         * testsuite/script_test_5.sh: New file.
12003         * testsuite/script_test_5.t: New file.
12004
12005 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
12006
12007         * archive.cc (Archive::include_member): Update calls to add_symbols.
12008         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
12009         the Layout argument.
12010         * dynobj.h (do_add_symbols): Add the Layout argument.
12011         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
12012         Layout argument.
12013         * object.h (Object::add_symbols): Add the Layout argument.
12014         (Object::do_add_symbols): Add the Layout argument.
12015         (Sized_relobj::do_add_symbols): Add the Layout argument.
12016         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
12017         Unify the two versions.
12018         (Add_plugin_symbols): Remove.
12019         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
12020         (Sized_pluginobj::do_add_symbols): Unify the two versions.
12021         (Add_plugin_symbols): Remove.
12022         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
12023         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
12024         (Add_symbols::run): Make it work with Pulginobj.
12025
12026 2009-02-06  Ian Lance Taylor  <iant@google.com>
12027
12028         * object.cc (Sized_relobj::do_layout): Make info message start
12029         with lower case letter.
12030
12031 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
12032
12033         * binary.cc: Fix file comment.
12034
12035         * options.h (enum Incremental_disposition): Define.
12036         (class General_options): Add new options: --incremental,
12037         --incremental_changed, --incremental_unchanged,
12038         --incremental_unknown.  Add incremental_disposition_ and
12039         implicit_incremental_ fields.
12040         (General_options::incremental_disposition): New function.
12041         (class Position_dependent_options): Add incremental_disposition
12042         option.
12043         (Position_dependent_options::copy_from_options): Set incremental
12044         dispositions.
12045         * options.cc (General_options::parse_incremental_changed): New
12046         function.
12047         (General_options::parse_incremental_unchanged): New function.
12048         (General_options::parse_incremental_unknown): New function.
12049         (General_options::General_options): Initialize new fields
12050         incremental_disposition_ and implicit_incremental_.
12051         (General_options::finalize): Check for uasge of --incremental-*
12052         without --incremental.
12053
12054 2009-02-06  Chris Demetriou  <cgd@google.com>
12055
12056         * gold.h (gold_undefined_symbol): Change to take only a Symbol
12057         pointer and to report location as the file name associated with
12058         the symbol.
12059         (gold_undefined_symbol_at_location): New function to replace the
12060         old gold_undefined_symbol functionality.
12061         * target-reloc.h (relocate_section): Update to use
12062         gold_undefined_symbol_at_location.
12063         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12064         Call gold_undefined_symbol function rather than gold_error.
12065         * errors.h (Errors::undefined_symbol): Take location as a
12066         string, rather than calculating it from a relocation.
12067         * errors.cc (Errors::fatal): Print "fatal error:" before the
12068         formatted message.
12069         (Errors::error, Errors::error_at_location): Print "error: "
12070         before the formatted message.
12071         (Errors::undefined_symbol): Take location as a string, rather
12072         than calculating it from a relocation.
12073         (gold_undefined_symbol_at_location): New function akin to
12074         old gold_undefined_symbol, calculates location from relocation.
12075         (gold_undefined_symbol): Change to take only a Symbol pointer
12076         and to report location as the file name associated with the symbol.
12077         * testsuite/debug_msg.sh: Update for changed error messages.
12078         * testsuite/undef_symbol.sh: Likewise.
12079
12080 2009-02-04  Duncan Sands  <baldrick@free.fr>
12081
12082         PR 9812
12083         * reduced_debug_output.h
12084         (Output_reduced_debug_abbrev_section::failed): Use format for
12085         gold_warning.
12086         (Output_reduced_debug_info_section::faild): Likewise.
12087
12088 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
12089
12090         * script.cc (Lazy_demangler): New class.
12091         (Version_script_info::get_symbol_version_helper): Demangle a
12092         symbol only once.
12093
12094 2009-01-29  Cary Coutant  <ccoutant@google.com>
12095
12096         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
12097         to __tls_get_addr.
12098         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
12099
12100 2009-01-28  Ian Lance Taylor  <iant@google.com>
12101
12102         * version.cc (version_string): Bump to 1.9.
12103
12104         * gold.h: Include <cstring> and <stdint.h>.
12105         * version.cc: Include <cstdio>.
12106         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
12107         warning.
12108         * reduced_debug_output.cc (insert_into_vector): Rename from
12109         Insert_into_vector; change all callers.  Use Swap_unaligned to
12110         avoid aliasing issue; remove union since it is unnecessary.
12111
12112 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
12113
12114         * Makefile.am (CCFILES): Add gc.cc.
12115         (HFILES): Add gc.h.
12116         * Makefile.in: Regenerate.
12117         * gold.cc (Gc_runner): New class.
12118         (queue_initial_tasks): Call garbage collection related tasks
12119         when corresponding options are invoked.
12120         (queue_middle_gc_tasks): New function.
12121         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
12122         processed early before laying out sections during garbage collection.
12123         * gold.h (queue_middle_gc_tasks): New function.
12124         (is_prefix_of): Move from "layout.cc".
12125         * i386.cc (Target_i386::gc_process_relocs): New function.
12126         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
12127         * main.cc (main): Create object of class "Garbage_collection".
12128         * object.cc (Relobj::copy_symbols_data): New function.
12129         (Relobj::is_section_name_included): New function.
12130         (Sized_relobj::do_layout): Allow this function to be called twice
12131         during garbage collection and defer layout of section during the
12132         first call.
12133         * object.h (Relobj::get_symbols_data): New function.
12134         (Relobj::is_section_name_included): New function.
12135         (Relobj::copy_symbols_data): New function.
12136         (Relobj::set_symbols_data): New function.
12137         (Relobj::get_relocs_data): New function.
12138         (Relobj::set_relocs_data): New function.
12139         (Relobj::is_output_section_offset_invalid): New pure virtual function.
12140         (Relobj::gc_process_relocs): New function.
12141         (Relobj::do_gc_process_relocs): New pure virtual function.
12142         (Relobj::sd_): New data member.
12143         (Sized_relobj::is_output_section_offset_invalid): New function.
12144         (Sized_relobj::do_gc_process_relocs): New function.
12145         * options.h (General_options::gc_sections): Modify to not be a no-op.
12146         (General_options::print_gc_sections): New option.
12147         * plugin.cc (Plugin_finish::run): Remove function call to
12148         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
12149         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
12150         * reloc.cc (Read_relocs::run): Add task to process relocs and
12151         determine unreferenced sections when doing garbage collection.
12152         (Gc_process_relocs): New class.
12153         (Sized_relobj::do_gc_process_relocs): New function.
12154         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
12155         sections that are garbage collected.
12156         * reloc.h (Gc_process_relocs): New class.
12157         * sparc.cc (Target_sparc::gc_process_relocs): New function.
12158         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
12159         symbols whose corresponding sections are garbage collected.
12160         (Symbol_table::Symbol_table): Add new parameter for the garbage
12161         collection object.
12162         (Symbol_table::gc_mark_undef_symbols): New function.
12163         (Symbol_table::gc_mark_symbol_for_shlib): New function.
12164         (Symbol_table::gc_mark_dyn_syms): New function.
12165         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
12166         as garbage.
12167         (Symbol_table::add_from_object): Likewise.
12168         (Symbol_table::add_from_relobj): When building shared objects, do not
12169         treat externally visible symbols as garbage.
12170         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
12171         table information for static and relocatable links.
12172         * symtab.h (Symbol_table::set_gc): New function.
12173         (Symbol_table::gc): New function.
12174         (Symbol_table::gc_mark_undef_symbols): New function.
12175         (Symbol_table::gc_mark_symbol_for_shlib): New function.
12176         (Symbol_table::gc_mark_dyn_syms): New function.
12177         (Symbol_table::gc_): New data member.
12178         * target.h (Sized_target::gc_process_relocs): New pure virtual
12179         function.
12180         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
12181         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
12182
12183 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
12184
12185         * options.h (General_options::gc_sections): Define as a no-op for now.
12186         (General_options::no_keep_memory): Ditto.
12187         (General_options::Bshareable): Define.
12188         * options.cc (General_options::finalize): Honor -Bshareable.
12189
12190 2009-01-20  Andreas Schwab  <schwab@suse.de>
12191
12192         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
12193         read the value in the contents, since we don't use it.  Use the
12194         template endianness when writing.
12195         (Relocate::relocate): Use it for R_PPC_REL16_HA.
12196
12197 2009-01-19  Andreas Schwab  <schwab@suse.de>
12198
12199         * configure.tgt (powerpc64-*): Fix targ_obj.
12200
12201 2009-01-15  Ian Lance Taylor  <iant@google.com>
12202
12203         * object.cc (Sized_relobj::write_local_symbols): Don't write out
12204         local symbols when stripping all symbols.
12205
12206 2009-01-14  Cary Coutant  <ccoutant@google.com>
12207
12208         * output.cc (Output_reloc): Add explicit instantiations.
12209
12210 2009-01-14  Cary Coutant  <ccoutant@google.com>
12211
12212         * archive.cc (Archive::get_elf_object_for_member): Remove call
12213         to File_read::claim_for_plugin.
12214         * descriptors.cc (Descriptors::open): Remove reference to
12215         is_claimed.
12216         (Descriptors::claim_for_plugin): Remove.
12217         * descriptors.h (Descriptors::claim_for_plugin): Remove.
12218         (Descriptors::is_claimed): Remove.
12219         (claim_descriptor_for_plugin): Remove.
12220         * fileread.cc (File_read::claim_for_plugin): Remove.
12221         * fileread.h (File_read::claim_for_plugin): Remove.
12222         (File_read::descriptor): Reopen descriptor if necessary.
12223         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
12224         (Plugin_manager::all_symbols_read): Add task parameter. Change
12225         all callers.
12226         (Plugin_manager::get_input_file): New function.
12227         (Plugin_manager::release_input_file): New function.
12228         (Pluginobj::Pluginobj): Add filesize parameter and initialize
12229         corresponding data member.
12230         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
12231         and pass to base constructor. Change all callers.
12232         (get_input_file, release_input_file): New functions.
12233         (make_sized_plugin_object): Add filesize parameter. Change all callers.
12234         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
12235         (Plugin_manager::all_symbols_read): Add task parameter.
12236         (Plugin_manager::get_input_file): New function.
12237         (Plugin_manager::release_input_file): New function.
12238         (Plugin_manager::task_): New data member.
12239         (Pluginobj::Pluginobj): Add filesize parameter.
12240         (Pluginobj::filename): New function.
12241         (Pluginobj::descriptor): New function.
12242         (Pluginobj::filesize): New function.
12243         (Pluginobj::filesize_): New data member.
12244         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
12245         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
12246         File_read::claim_for_plugin; use Object::unlock to unlock the file.
12247
12248         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
12249         with archive libraries.
12250         * testsuite/Makefile.in: Regenerate.
12251         * testsuite/plugin_test.c (struct sym_info): New type.
12252         (get_input_file, release_input_file): New static variables.
12253         (onload): Capture new transfer vector entries.
12254         (claim_file_hook): Stop reading at end of file according to filesize.
12255         Factor out parsing of readelf output into separate function.
12256         (all_symbols_read_hook): Exercise get_input_file and release_input_file
12257         APIs and get the source file name from the symbol table.  Convert
12258         source file name to corresponding object file name.  Print info
12259         message when adding new input files.
12260         (parse_readelf_line): New function.
12261         * testsuite/plugin_test_1.sh: Add checks for new info messages.
12262         * testsuite/plugin_test_2.sh: Likewise.
12263         * testsuite/plugin_test_3.sh: Likewise.
12264         * testsuite/plugin_test_4.sh: New test case.
12265
12266 2009-01-07  Ian Lance Taylor  <iant@google.com>
12267
12268         * version.cc (version_string): Bump to 1.8.
12269
12270 2008-12-23  Cary Coutant  <ccoutant@google.com>
12271
12272         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
12273         * plugin.cc (Plugin_manager::finish): Rename as
12274         layout_deferred_objects.  Move cleanup to separate function.
12275         (Plugin_manager::cleanup): New function.
12276         (Plugin_finish::run): Call layout_deferred_objects and cleanup
12277         separately.
12278         * plugin.h (Plugin_manager::finish): Rename as
12279         layout_deferred_objects.
12280         (Plugin_manager::cleanup): New function.
12281         (Plugin_manager::cleanup_done): New field.
12282
12283 2008-12-23  Cary Coutant  <ccoutant@google.com>
12284
12285         * plugin.cc (is_visible_from_outside): New function.
12286         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
12287         so we don't return "IR only" status for exported symbols or -r links.
12288
12289         * testsuite/Makefile.am (plugin_test_3): New test case.
12290         * testsuite/Makefile.in: Regenerate.
12291         * testsuite/plugin_test_3.sh: New file.
12292
12293 2008-12-22  Cary Coutant  <ccoutant@google.com>
12294
12295         * object.cc (Sized_relobj::layout_section): New function.
12296         (Sized_relobj::do_layout): Defer layout of input sections until after
12297         plugin has provided replacement files.
12298         (Sized_relobj::do_layout_deferred_sections): New function.
12299         * object.h (Relobj::set_section_offset): Remove virtual keyword.
12300         (Relobj::layout_deferred_sections): New function.
12301         (Relobj::do_layout_deferred_sections): New function.
12302         (Sized_relobj::do_layout_deferred_sections): New function.
12303         (Sized_relobj::layout_section): New function.
12304         (Sized_relobj::Deferred_layout): New structure.
12305         (Sized_relobj::deferred_layout_): New field.
12306         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
12307         Change all callers.  Layout deferred sections.
12308         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
12309         references.
12310         (Plugin_hook::run): Move code from do_plugin_hook inline.
12311         (Plugin_hook::do_plugin_hook): Remove.
12312         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
12313         (Plugin_manager::finish): Renamed, was cleanup.
12314         (Plugin_manager::should_defer_layout): New function.
12315         (Plugin_manager::add_deferred_layout_object): New function.
12316         (Plugin_manager::Deferred_layout_list): New type.
12317         (Plugin_manager::deferred_layout_objects_): New field.
12318         (Plugin_hook::do_plugin_hook): Remove.
12319
12320 2008-12-17  Ian Lance Taylor  <iant@google.com>
12321
12322         * options.h (class General_options): Add --no case for
12323         --export-dynamic.
12324
12325 2008-12-16  Cary Coutant  <ccoutant@google.com>
12326
12327         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
12328         vector.
12329         (Plugin_manager::claim_file): Create plugin object even if
12330         plugin did not call the add_symbols callback.
12331         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
12332         asking for more symbols than were added.
12333         * testsuite/Makefile.am (plugin_test_1): Add test case with
12334         no global symbols.
12335         (empty.syms): New target.
12336         * testsuite/Makefile.in: Regenerate.
12337         * testsuite/plugin_test.c (claim_file_hook): Add new debug
12338         message. Don't call add_symbols if no globals.
12339         (all_symbols_read_hook): Don't provide replacement for empty
12340         claimed file.
12341
12342 2008-12-12  Ian Lance Taylor  <iant@google.com>
12343
12344         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
12345         r_type == 0 for a local symbol with r_sym == 0.
12346         (scan_relocatable_relocs): Pass r_sym to
12347         local_non_section_strategy.
12348         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
12349         r_sym parameter.
12350
12351         * configure.ac: Update test for TLS descriptors: they are
12352         supported as of glibc 2.9.
12353         * configure: Rebuild.
12354
12355 2008-12-11  Ian Lance Taylor  <iant@google.com>
12356
12357         PR 7091
12358         * target-reloc.h (Default_scan_relocatable_relocs): For each
12359         function, map r_type == 0 to RELOC_DISCARD.
12360
12361 2008-12-10  Cary Coutant  <ccoutant@google.com>
12362
12363         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
12364         object to override a kept COMDAT group from a plugin object.
12365
12366 2008-12-09  Ian Lance Taylor  <iant@google.com>
12367
12368         PR 7088
12369         * yyscript.y (file_cmd): Handle INPUT.
12370
12371         * testsuite/initpri1.c: Change all declarations to be full
12372         prototypes by adding void, to avoid compiler warnings.
12373
12374 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
12375
12376         * options.cc (General_options::parse_plugin_opt): New.
12377         (General_options::add_plugin): The argument now is just the filename.
12378         (General_options::add_plugin_option): New.
12379         * options.h (plugin_opt): New.
12380         (add_plugin): Change argument name.
12381         (add_plugin_option): New.
12382         * plugin.cc (Plugin::load): Don't parse the plugin option.
12383         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
12384         (Plugin::add_option): New.
12385         (Plugin::args_): Change type.
12386         (Plugin::filename_): New.
12387         (Plugin_manager::add_plugin_option): New.
12388         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
12389         * testsuite/Makefile.in: Regenerate.
12390
12391 2008-12-05  Cary Coutant  <ccoutant@google.com>
12392
12393         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
12394         Handle --strip-lto-sections option.
12395         * options.h (strip_lto_sections): New option.
12396
12397 2008-12-01  Cary Coutant  <ccoutant@google.com>
12398
12399         * plugin.cc (ld_plugin_message): Change format parameter to const.
12400         Fix mismatch between new[] and delete.
12401
12402 2008-11-14  Cary Coutant  <ccoutant@google.com>
12403
12404         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
12405         instead of -1U.
12406
12407 2008-11-05  Craig Silverstein  <csilvers@google.com>
12408
12409         * options.cc (General_options::parse_dynamic_list): New function.
12410         * options.h (General_options): New flags dynamic_list,
12411         dynamic_list_data, dynamic_list_cpp_new, and
12412         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
12413         (General_options::in_dynamic_list): New function.
12414         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
12415         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
12416         (Lex::can_continue_name): Likewise.
12417         (yylex): Likewise.
12418         (read_script_file): New parameter script_options.
12419         (read_dynamic_list): New function.
12420         (Script_options::define_dynamic_list): New function.
12421         (dynamic_list_keyword_parsecodes): New variable.
12422         (dynamic_list_keywords): New variable.
12423         * script.h (Script_options::define_dynamic_list): New function
12424         prototype.
12425         (read_dynamic_list): New function prototype.
12426         * symtab.cc (strprefix): New macro.
12427         (Symbol::should_add_dynsym_entry): Support dynamic_list,
12428         dynamic_list_data, dynamic_list_cpp_new, and
12429         dynamic_list_cpp_typeinfo.
12430         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
12431         (dynamic_list_expr): New rule.
12432         (dynamic_list_nodes): Likewise.
12433         (dynamic_list_node): Likewise.
12434         * testsuite/Makefile.am (dynamic_list): New test.
12435         * testsuite/Makefile.in: Regenerated.
12436         * testsuite/dynamic_list.t: New file.
12437         * testsuite/dynamic_list.sh: New file.
12438
12439 2008-11-05  Craig Silverstein  <csilvers@google.com>
12440
12441         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
12442         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
12443         (t11_last): Likewise.
12444         * testsuite/ver_test_6.c (main): Likewise.
12445
12446 2008-10-07  Cary Coutant  <ccoutant@google.com>
12447
12448         * options.c (General_options::finalize): Add check for -static and
12449         -shared.
12450         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
12451         is not empty.
12452
12453 2008-10-02  Cary Coutant  <ccoutant@google.com>
12454
12455         * plugin.cc (make_sized_plugin_object): Fix conditional
12456         compilation to work when not all targets are enabled.
12457
12458 2008-09-29  Cary Coutant  <ccoutant@google.com>
12459
12460         * archive.cc (Archive::get_file_and_offset): Use filename instead
12461         of name to get library path.
12462         (Archive::include_member): Unlock external member of a thin archive.
12463
12464         * testsuite/Makefile.am (TEST_AR): New variable.
12465         (thin_archive_test_1): New test.
12466         (thin_archive_test_2): New test.
12467         * testsuite/Makefile.in: Regenerate.
12468         * testsuite/thin_archive_main.cc: New file.
12469         * testsuite/thin_archive_test_1.cc: New file.
12470         * testsuite/thin_archive_test_2.cc: New file.
12471         * testsuite/thin_archive_test_3.cc: New file.
12472         * testsuite/thin_archive_test_4.cc: New file.
12473
12474 2008-09-29  Cary Coutant  <ccoutant@google.com>
12475
12476         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
12477         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
12478         instead of -1U.
12479         (Sized_relobj::do_finalize_local_symbols): Likewise.
12480         (Sized_relobj::map_to_kept_section): Likewise.
12481         * object.h (Sized_relobj::invalid_address): New constant.
12482         (Sized_relobj::do_output_section_offset): Check for invalid_address
12483         and return -1ULL.
12484         * output.cc (Output_reloc::local_section_offset): Use constant
12485         invalid_address instead of -1U.
12486         (Output_reloc::get_address): Likewise.
12487         (Output_section::output_address): Change -1U to -1ULL.
12488         * output.h (Output_reloc::invalid_address): New constant.
12489         * reloc.cc (Sized_relobj::write_sections): Use constant
12490         invalid_address instead of -1U.
12491         (Sized_relobj::relocate_sections): Likewise.
12492         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
12493         values for merge sections.
12494         * target-reloc.h (relocate_for_relocatable): Use constant
12495         invalid_address instead of -1U.
12496
12497 2008-09-19  Cary Coutant  <ccoutant@google.com>
12498
12499         Add plugin functionality for link-time optimization (LTO).
12500         * configure.ac (plugins): Add --enable-plugins option.
12501         * configure: Regenerate.
12502         * config.in: Regenerate.
12503         * Makefile.am (LIBDL): New variable.
12504         (CCFILES): Add plugin.cc.
12505         (HFILES): Add plugin.h.
12506         (ldadd_var): Add LIBDL.
12507         * Makefile.in: Regenerate.
12508
12509         * archive.cc: Include "plugin.h".
12510         (Archive::setup): Don't preread archive symbols when using a plugin.
12511         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
12512         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
12513         files.
12514         (Archive::include_member): Add symbols from plugin objects.
12515         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
12516         * descriptors.cc (Descriptors::open): Check for file descriptors
12517         abandoned by plugins.
12518         (Descriptors::claim_for_plugin): New function.
12519         * descriptors.h (Descriptors::claim_for_plugin): New function.
12520         (Open_descriptor::is_claimed): New field.
12521         (claim_descriptor_for_plugin): New function.
12522         * fileread.cc (File_read::claim_for_plugin): New function.
12523         * fileread.h (File_read::claim_for_plugin): New function.
12524         (File_read::descriptor): New function.
12525         * gold.cc: Include "plugin.h".
12526         (queue_initial_tasks): Add task to call plugin hooks for generating
12527         new object files.
12528         * main.cc: Include "plugin.h".
12529         (main): Load plugin libraries.
12530         * object.h (Pluginobj): Declare.
12531         (Object::pluginobj): New function.
12532         (Object::do_pluginobj): New function.
12533         (Object::set_target): New function.
12534         * options.cc: Include "plugin.h".
12535         (General_options::parse_plugin): New function.
12536         (General_options::General_options): Initialize plugins_ field.
12537         (General_options::add_plugin): New function.
12538         * options.h (Plugin_manager): Declare.
12539         (General_options): Add --plugin option.
12540         (General_options::has_plugins): New function.
12541         (General_options::plugins): New function.
12542         (General_options::add_plugin): New function.
12543         (General_options::plugins_): New field.
12544         * plugin.cc: New file.
12545         * plugin.h: New file.
12546         * readsyms.cc: Include "plugin.h".
12547         (Read_symbols::do_read_symbols): Check for archive before checking
12548         for ELF file.  Call plugin hooks to claim files.
12549         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
12550         from a real object file; force override when processing replacement
12551         files.
12552         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
12553         (Symbol::init_base_object): Likewise.
12554         (Symbol::init_base_output_data): Likewise.
12555         (Symbol::init_base_output_segment): Likewise.
12556         (Symbol::init_base_constant): Likewise.
12557         (Symbol::init_base_undefined): Likewise.
12558         (Symbol::output_section): Assert that object is not a plugin.
12559         (Symbol_table::add_from_pluginobj): New function.
12560         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
12561         undefined.
12562         (Symbol_table::sized_write_globals): Likewise.
12563         (Symbol_table::add_from_pluginobj): Instantiate template.
12564         * symtab.h (Sized_pluginobj): Declare.
12565         (Symbol::in_real_elf): New function.
12566         (Symbol::set_in_real_elf): New function.
12567         (Symbol::in_real_elf_): New field.
12568         (Symbol_table::add_from_pluginobj): New function.
12569
12570         * testsuite/Makefile.am (AM_CFLAGS): New variable.
12571         (LIBDL): New variable.
12572         (LDADD): Add LIBDL.
12573         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
12574         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
12575         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
12576         (MOSTLYCLEANFILES): Likewise.
12577         * testsuite/Makefile.in: Regenerate.
12578         * testsuite/plugin_test.c: New file.
12579         * testsuite/plugin_test_1.sh: New file.
12580         * testsuite/plugin_test_2.sh: New file.
12581
12582 2008-09-16  Ian Lance Taylor  <iant@google.com>
12583
12584         * target-reloc.h (relocate_section): Check whether a symbol is
12585         defined by the ABI before reporting an undefined symbol error.
12586         * target.h (Target::is_defined_by_abi): Make parameter const.
12587         (Target::do_is_defined_by_abi): Likewise.
12588         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
12589         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
12590         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
12591         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
12592         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
12593         * testsuite/Makefile.in: Rebuild.
12594
12595         * fileread.cc (make_view): Add casts to avoid warning.
12596
12597 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12598
12599         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
12600         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12601
12602 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12603
12604         * options.h (General_options::output_is_executable): New.
12605         (General_options::output_is_pie): New.
12606         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
12607         for shared libraries.
12608         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12609
12610 2008-09-11  Chris Demetriou  <cgd@google.com>
12611
12612         * options.h (origin): New -z option.
12613         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
12614         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
12615         in DT_FLAGS_1.
12616
12617 2008-09-05  Cary Coutant  <ccoutant@google.com>
12618
12619         * fileread.cc (File_read::make_view): Add check for attempt to map
12620         beyond end of file.
12621
12622 2008-09-05  Cary Coutant  <ccoutant@google.com>
12623
12624         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
12625         explicit instantiations.
12626
12627 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
12628
12629         PR gold/6858
12630         * options.cc (General_options::finalize): Allow undefined symbols
12631         in shlibs if linking -shared.
12632
12633         PR gold/6859
12634         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
12635         symbols as not needing a dynsym entry.
12636
12637 2008-08-20  Craig Silverstein  <csilvers@google.com>
12638
12639         * fileread.cc (File_read::open): Do not lock the file unless it
12640         was successfully opened.
12641
12642 2008-08-14  Cary Coutant  <ccoutant@google.com>
12643
12644         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
12645         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
12646         * testsuite/tls_test.cc (struct int128): 128-bit struct
12647         for testing TLS relocs with non-zero addend.
12648         (v12): New TLS variable.
12649         (t12): New test.
12650         (t_last): Add check for v12.
12651         * testsuite/tls_test.h (t12): New function.
12652         * testsuite/tls_test_main.cc (thread_routine): Call new test.
12653
12654 2008-08-13  Ian Lance Taylor  <iant@google.com>
12655
12656         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
12657         set tls_segment_ or relro_segment_.
12658         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
12659         when appropriate.
12660         * output.h (Output_section::clear_is_relro): New function.
12661         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
12662         sections specially even when output_data_ is empty.
12663         (Output_segment::maximum_alignment): When first section is relro,
12664         only force alignment for PT_LOAD segments.
12665         * script.cc (script_data_segment_align): New function.
12666         (script_data_segment_relro_end): New function.
12667         * script-c.h (script_data_segment_align): Declare.
12668         (script_data_segment_relro_end): Declare.
12669         * script-sections.h (class Script_sections): Declare
12670         data_segment_align and data_segment_relro_end.  Add fields
12671         segment_align_index_ and saw_relro_end_.
12672         * script-sections.cc (class Sections_element): Add set_is_relro
12673         virtual function.  Add new bool* parameter to place_orphan_here.
12674         Add get_output_section virtual function.
12675         (class Output_section_definition): Add set_is_relro.  Add new
12676         bool* parameter to place_orphan_here.  Add get_output_section.
12677         Add is_relro_ field.
12678         (Output_section_definition::Output_section_definition): Initialize
12679         evaluated_address_, evaluated_load_address, evaluated_addralign_,
12680         and is_relro_ fields.
12681         (Output_section_definition::place_orphan_here): Add is_relro
12682         parameter.
12683         (Output_section_definition::set_section_addresses): Set relro for
12684         output section.
12685         (Output_section_definition::alternate_constraint): Likewise.
12686         (class Orphan_output_section): Add new bool* parameter to
12687         place_orphan_here.  Add get_output_section.
12688         (Orphan_output_section::place_orphan_here): Add is_relro
12689         parameter.
12690         (Script_sections::Script_sections): Initialize
12691         data_segment_align_index_ and saw_relro_end_.
12692         (Script_sections::data_segment_align): New function.
12693         (Script_sections::data_segment_relro_end): New function.
12694         (Script_sections::place_orphan): Set or clear is_relro.
12695         (Script_sections::set_section_addresses): Force alignment of first
12696         TLS section.
12697         * yyscript.y (exp): Call script_data_segment_align and
12698         script_data_segment_relro_end.
12699         * testsuite/relro_script_test.t: New file.
12700         * testsuite/relro_test.cc (using_script): Declare.
12701         (t1, t2): Test using_script.
12702         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
12703         (relro_script_test_SOURCES): Define.
12704         (relro_script_test_DEPENDENCIES): Define.
12705         (relro_script_test_LDFLAGS): Define.
12706         (relro_script_test_LDADD): Define.
12707         (relro_script_test.so): New target.
12708         * testsuite/Makefile.in: Rebuild.
12709
12710 2008-08-06  Cary Coutant <ccoutant@google.com>
12711
12712         * archive.cc (Archive::total_archives, Archive::total_members)
12713         (Archive::total_members_loaded): New variables.
12714         (Archive::setup): Add parameter.  Add option to preread
12715         archive symbols.
12716         (Archive::read_armap): Add counter.
12717         (Archive::get_file_and_offset): New function.
12718         (Archive::get_elf_object_for_member): New function.
12719         (Archive::read_all_symbols): New function.
12720         (Archive::read_symbols): New function.
12721         (Archive::add_symbols): Add counters.
12722         (Archive::include_all_members): Use armap to find members if it's
12723         already built.
12724         (Archive::include_member): Skip reading symbols if already read.
12725         Factored code into Archive::get_file_and_offset and
12726         Archive::get_elf_object_for_member.  Changed call to
12727         Mapfile::report_include_archive_member.
12728         (Archive::print_stats): New function.
12729         * archive.h: Declare Object and Read_symbols_data classes.
12730         (Archive::Archive): Add initializers for new members.
12731         (Archive::setup): Add parameter.
12732         (Archive::print_stats): New function.
12733         (Archive::total_archives, Archive::total_members)
12734         (Archive::total_members_loaded): New variables.
12735         (Archive::get_file_and_offset): New function.
12736         (Archive::get_elf_object_for_member): New function.
12737         (Archive::read_all_symbols): New function.
12738         (Archive::read_symbols): New function.
12739         (Archive::Archive_member): New class.
12740         (Archive::members_): New member.
12741         (Archive::num_members_): New member.
12742         * main.cc: Include archive.h.
12743         (main): Call Archive::print_stats.
12744         * mapfile.cc (Mapfile::report_include_archive_member): Delete
12745         archive parameter; member_name is now the fully-decorated name.
12746         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
12747         * options.h: (General_options): Add --preread-archive-symbols option.
12748         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
12749         Archive::setup.
12750
12751 2008-08-04  Ian Lance Taylor  <iant@google.com>
12752
12753         * symtab.h (Symbol::use_plt_offset): New function.
12754         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
12755         * powerpc.cc (Relocate::relocate): Likewise.
12756         * sparc.cc (Relocate::relocate): Likewise.
12757         * x86_64.cc (Relocate::relocate): Likewise.
12758         * testsuite/weak_plt.sh: New test.
12759         * testsuite/weak_plt_main.cc: New test.
12760         * testsuite/weak_plt_shared.cc: New test.
12761         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
12762         (check_PROGRAMS): Add weak_plt.
12763         (check_DATA): Add weak_plt_shared.so.
12764         (weak_plt_main_pic.o, weak_plt): New targets.
12765         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
12766         * testsuite/Makefile.in: Rebuild.
12767
12768         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
12769         gcctestdir/ld.
12770         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
12771         * testsuite/Makefile.in: Rebuild.
12772
12773 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
12774
12775         * Makefile.am (POTFILES.in): Set LC_ALL=C.
12776         * Makefile.in: Regenerate.
12777         * po/POTFILES.in: Regenerate.
12778
12779 2008-07-29  Ian Lance Taylor  <iant@google.com>
12780
12781         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
12782         symbols before other symbols.
12783         * testsuite/script_test_2.cc (test_addr): Declare.
12784         (test_addr_alias): Declare.
12785         (main): Check that test_addr and test_addr_alias have the right
12786         values.
12787         * testsuite/script_test_2.t: Define test_addr_alias and
12788         test_addr.
12789
12790 2008-07-24  Ian Lance Taylor  <iant@google.com>
12791
12792         PR 5990
12793         * descriptors.cc: New file.
12794         * descriptors.h: New file.
12795         * gold-threads.h (class Hold_optional_lock): New class.
12796         * fileread.cc: Include "descriptors.h".
12797         (File_read::~File_read): Release descriptor rather than closing
12798         it.
12799         (File_read::open) [file]: Call open_descriptor rather than open.
12800         Set is_descriptor_opened_.
12801         (File_read::open) [memory]: Assert that descriptor is not open.
12802         (File_read::reopen_descriptor): New function.
12803         (File_read::release): Release descriptor.
12804         (File_read::do_read): Make non-const.  Reopen descriptor.
12805         (File_read::read): Make non-const.
12806         (File_read::make_view): Reopen descriptor.
12807         (File_read::do_readv): Likewise.
12808         * fileread.h (class File_read): Add is_descriptor_opened_ field.
12809         Update declarations.
12810         * layout.cc: Include "descriptors.h".
12811         (Layout::create_build_id): Use open_descriptor rather than open.
12812         * output.cc: Include "descriptors.h".
12813         (Output_file::open): Use open_descriptor rather than open.
12814         * archive.cc (Archive::const_iterator): Change Archive to be
12815         non-const.
12816         (Archive::begin, Archive::end): Make non-const.
12817         (Archive::count_members): Likewise.
12818         * archive.h (class Archive): Update declarations.
12819         * object.h (Object::read): Make non-const.
12820         * Makefile.am (CCFILES): Add descriptors.cc.
12821         (HFILES): Add descriptors.h.
12822         * Makefile.in: Rebuild.
12823
12824         PR 6716
12825         * gold.h: Always include <clocale>.  Add Solaris workarounds
12826         following code in binutils/sysdep.h.
12827
12828         PR 6048
12829         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
12830         this->eh_frame_hdr_ is NULL before using it.
12831
12832         * dynobj.cc (Versions::Versions): Update comment.
12833
12834         * dynobj.cc (Versions::Versions): If there is an soname, use it as
12835         the base version name.
12836
12837         * stringpool.cc (Stringpool_template::add_with_length): Set key to
12838         array size plus one.
12839         (Stringpool_template::set_string_offsets): Subtract one from key
12840         before using it as an array index.
12841         (Stringpool_template::get_offset_with_length): Likewise.
12842         (Stringpool_template::write_to_buffer): Likewise.
12843         * stringpool.h (Stringpool_template::get_offset_from_key):
12844         Likewise.
12845
12846 2008-07-23  Ian Lance Taylor  <iant@google.com>
12847
12848         PR 6658
12849         * object.h (Merged_symbol_value::value): Do our best to handle a
12850         negative addend.
12851
12852         PR 6647
12853         * script.cc (Version_script_info::get_versions): Don't add empty
12854         version tag to return value.
12855         (Version_script_info::get_symbol_version_helper): Change return
12856         type to bool.  Add pversion parameter.  Change all callers.
12857         (script_register_vers_node): Don't require a non-NULL tag.
12858         * script.h (class Version_script_info): Update declarations.
12859         (Version_script_info::get_symbol_version): Change return type to
12860         bool.  Add version parameter.  Change all callers.
12861         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
12862         handling.  Handle an empty version from a version script.
12863         (Symbol_table::define_special_symbol): Likewise.
12864         * testsuite/ver_test_10.script: New file.
12865         * testsuite/ver_test_10.sh: New file.
12866         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
12867         (check_DATA): Add ver_test_10.syms.
12868         (ver_test_10.syms, ver_test_10.so): New target.
12869         * testsuite/Makefile.in: Rebuild.
12870
12871 2008-07-23  Simon Baldwin  <simonb@google.com>
12872
12873         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
12874         to zero for undefined symbols from dynamic libraries.
12875
12876 2008-07-23  Ian Lance Taylor  <iant@google.com>
12877
12878         * symtab.cc (Symbol_table::resolve): Remove version parameter.
12879         Change all callers.
12880         * symtab.h (class Symbol_table): Update declaration.
12881         * testsuite/ver_test_9.cc: New file.
12882         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
12883         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
12884         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
12885         (ver_test_9.so, ver_test_9.o): New targets.
12886         * testsuite/Makefile.in: Rebuild.
12887
12888 2008-07-22  Ian Lance Taylor  <iant@google.com>
12889
12890         * options.h (class General_options): Define --check-sections.
12891         * layout.cc (Layout::set_segment_offsets): Handle
12892         --check-sections.
12893
12894         * options.h (class General_options): Define -n/--nmagic and
12895         -N/--omagic.
12896         * options.cc (General_options::finalize): For -n/--nmagic or
12897         -N/--omagic, set -static.
12898         * layout.cc (Layout::attach_allocated_section_to_segment): If
12899         -N/--omagic, don't put read-only and read-write sections in
12900         different segments.
12901         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
12902         finding a read-only segment.
12903         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
12904         don't set the minimum segment alignment to the common page size,
12905         and don't set the file offset to the address modulo the page size.
12906         * script-sections.cc (Script_sections::create_segments): If
12907         -n/--omagic, don't put read-only and read-write sections in
12908         different segments.
12909
12910         * cref.cc: New file.
12911         * cref.h: New file.
12912         * options.h (class General_options): Add --print-symbol-counts.
12913         * main.cc (main): Issue defined symbol report if requested.
12914         * archive.cc (Archive::interpret_header): Make into a const member
12915         function.
12916         (Archive::add_symbols): Call Input_objects::archive_start and
12917         archive_stop.
12918         (Archive::const_iterator): Define new class.
12919         (Archive::begin, Archive::end): New functions.
12920         (Archive::include_all_members): Rewrite to use iterator.
12921         (Archive::count_members): New function.
12922         * archive.h (class Archive): Update declarations.
12923         (Archive::filename): New function.
12924         * object.cc: Include "cref.h".
12925         (Sized_relobj::Sized_relobj): Initialize defined_count_.
12926         (Sized_relobj::do_get_global_symbol_counts): New function.
12927         (Input_objects::add_object): Add object to cross-referencer.
12928         (Input_objects::archive_start): New function.
12929         (Input_objects::archive_stop): New function.
12930         (Input_objects::print_symbol_counts): New function.
12931         * object.h: Declare Cref and Archive.
12932         (Object::get_global_symbol_counts): New function.
12933         (Object::do_get_global_symbol_counts): New pure virtual function.
12934         (class Sized_relobj): Add defined_count_ field.  Update
12935         declarations.
12936         (class Input_objects): Add cref_ field.  Update constructor.
12937         Update declarations.
12938         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
12939         defined_count_.
12940         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
12941         symbol counts.
12942         (Sized_dynobj::do_get_global_symbol_counts): New function.
12943         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
12944         defined_count_.  Update declarations.  Define Symbols typedef.
12945         * symtab.cc (Symbol_table::add_from_relobj): Add defined
12946         parameter.  Change all callers.
12947         (Symbol_table::add_from_dynobj): Add sympointers and defined
12948         parameters.  Change all callers.
12949         * symtab.h (class Symbol_table): Update declarations.
12950         * Makefile.am (CCFILES): Add cref.cc.
12951         (HFILES): Add cref.h.
12952         * Makefile.in: Rebuild.
12953
12954 2008-07-22  Simon Baldwin  <simonb@google.com>
12955
12956         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
12957         to zero when writing undefined symbols.
12958
12959 2008-07-22  Ian Lance Taylor  <iant@google.com>
12960
12961         * output.cc (Output_section::add_input_section): Don't try to
12962         merge empty merge sections.
12963
12964 2008-07-21  Craig Silverstein  <csilvers@google.com>
12965
12966         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12967         Include symbol version in error message.
12968
12969 2008-07-20  Chris Demetriou  <cgd@google.com>
12970
12971         * configure.ac (gold_cv_c_random_seed): New configured variable.
12972         (RANDOM_SEED_CFLAGS): New substituted variable.
12973         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
12974         * configure: Rebuild.
12975         * Makefile.in: Likewise.
12976         * testsuite/Makefile.in: Likewise.
12977
12978 2008-07-18  Ian Lance Taylor  <iant@google.com>
12979
12980         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
12981         where we see NAME/NULL and NAME/VERSION  as separate symbols.
12982         * testsuite/ver_test_main.cc (main): Call t4.
12983         (t4, t4_2a): Define.
12984         * testsuite/ver_test_2.cc (t4_2): Define.
12985         * testsuite/ver_test_2.script: Put t4_2a in VER2.
12986         * testsuite/ver_test_4.cc (t4_2a): Define.
12987         * testsuite/ver_test_4.script: Put t4_2a in VER2.
12988         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
12989
12990 2008-07-17  Ian Lance Taylor  <iant@google.com>
12991
12992         * dynobj.cc (Versions::add_def): If we give an error about a
12993         missing version, go ahead and create the version anyhow.
12994
12995 2008-07-10  Ian Lance Taylor  <iant@google.com>
12996
12997         Handle output sections with more than 0x7fffffff bytes.
12998         * object.h (class Relobj): Change map_to_output_ to
12999         output_sections_, and just keep a section pointer.  Change all
13000         uses.  Move comdat group support to Sized_relobj.
13001         (Relobj::is_section_specially_mapped): Remove.
13002         (Relobj::output_section): Remove poff parameter.  Change all
13003         callers.
13004         (Relobj::output_section_offset): New function.
13005         (Relobj::set_section_offset): Rewrite.
13006         (Relobj::map_to_output): Remove.
13007         (Relobj::output_sections): New function.
13008         (Relobj::do_output_section_offset): New pure virtual function.
13009         (Relobj::do_set_section_offset): Likewise.
13010         (class Sized_relobj): Add section_offsets_ field.  Add comdat
13011         group support from Relobj.  Update declarations.
13012         (Sized_relobj::get_output_section_offset): New function.
13013         (Sized_relobj::do_output_section_offset): New function.
13014         (Sized_relobj::do_set_section_offset): New function.
13015         * object.cc (Relobj::output_section_address): Remove.
13016         (Sized_relobj::Sized_relobj): Initialize new fields.
13017         (Sized_relobj::include_section_group): Cast find_kept_object to
13018         Sized_relobj.
13019         (Sized_relobj::include_linkonce_section): Likewise.
13020         (Sized_relobj::do_layout): Use separate arrays for output section
13021         and output offset.
13022         (Sized_relobj::do_count_local_symbols): Change map_to_output to
13023         output_sections.
13024         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
13025         output_sections and section_offsets.
13026         (Sized_relobj::write_local_symbols): Likewise.
13027         (map_to_kept_section): Compute output address directly.
13028         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
13029         output_sections and section_offsets.
13030         (Sized_relobj::write_sections): Likewise.
13031         (Sized_relobj::relocate_sections): Likewise.
13032         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
13033         * output.h (class Output_reloc): Update declarations.  Change
13034         u2_.relobj to Sized_relobj*.
13035         (class Output_data_reloc): Change add functions to use
13036         Sized_relobj*.
13037         * output.cc (Output_reloc::Output_reloc): Change relobj to
13038         Sized_relobj*.
13039         (Output_reloc::local_section_offset): Change return type to
13040         Elf_Addr.  Use get_output_section_offset.
13041         (Output_reloc::get_address): Likewise.
13042         (Output_section::is_input_address_mapped): Don't call
13043         is_section_specially_mapped.
13044         (Output_section::output_offset): Likewise.
13045         (Output_section::output_address): Likewise.
13046         (Output_section::starting_output_address): Likewise.
13047         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
13048         parameter to Sized_relobj*.
13049         (Copy_relocs::need_copy_reloc): Likewise.
13050         (Copy_relocs::save): Likewise.
13051         * copy-relocs.h (class Copy_relocs): Update declarations.
13052         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
13053         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
13054         * target-reloc.h (relocate_for_relocatable): Change
13055         offset_in_output_section type to Elf_Addr.  Change code that uses
13056         it as well.
13057         * layout.cc (Layout::layout): Always set *off.
13058         * mapfile.cc (Mapfile::print_input_section): Use
13059         output_section_offset.
13060         * i386.cc (Target_i386::copy_reloc): Change object parameter to
13061         Sized_relobj*.
13062         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
13063         * sparc.cc (Target_sparc::copy_reloc): Likewise.
13064         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
13065
13066 2008-07-03  Ian Lance Taylor  <iant@google.com>
13067
13068         * layout.cc (Layout::include_section): Do not discard unrecognized
13069         SHT_STRTAB sections.
13070
13071 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
13072
13073         * script.cc (Lex::can_continue_name): Make '?' allowable in
13074         version-script names.
13075         * testsuite/version_script.map: Change glob pattern to use '?'
13076
13077 2008-06-30  Manish Singh  <yosh@gimp.org>
13078
13079         PR 6585
13080         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
13081         Correct typo.
13082
13083 2008-06-30  Ian Lance Taylor  <iant@google.com>
13084
13085         PR 6660
13086         PR 6682
13087         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
13088         versions]: Don't try to read the value in the contents, since we
13089         don't use it.  Use the template endianness when writing.
13090
13091 2008-06-25  Cary Coutant  <ccoutant@google.com>
13092
13093         * fileread.cc (File_read::make_view): Assert on zero-length view.
13094         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
13095         symbol table when there are no symbols to read.
13096
13097 2008-06-23  Craig Silverstein  <csilvers@google.com>
13098
13099         * version.cc (version_string): Bump to 1.7
13100
13101 2008-06-18  Craig Silverstein  <csilvers@google.com>
13102
13103         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
13104         constant 0xFFFF to type Valtype.
13105         (Powerpc_relocate_functions::rel16_ha): Likewise.
13106
13107 2008-06-17  Ian Lance Taylor  <iant@google.com>
13108
13109         * output.h (Output_section::Input_section): Initialize p2align_ to
13110         zero for Output_section_data constructors.
13111         (Output_section::Input_section::addralign): If not an input
13112         section, return the alignment of the Output_section_data.
13113         * testsuite/copy_test.cc: New file.
13114         * testsuite/copy_test_1.cc: New file.
13115         * testsuite/copy_test_2.cc: New file.
13116         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
13117         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
13118         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
13119         (copy_test_1_pic.o, copy_test_1.so): New targets.
13120         (copy_test_2_pic.o, copy_test_2.so): New targets.
13121         * testsuite/Makefile.in: Rebuild.
13122
13123         * script-sections.cc (Script_sections::place_orphan): Initialize
13124         local variable exact.
13125
13126 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
13127
13128         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
13129
13130 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
13131             David S. Miller  <davem@davemloft.net>
13132
13133         * powerpc.cc: New file.
13134         * Makefile.am (TARGETSOURCES): Add powerpc.cc
13135         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
13136         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
13137         * Makefile.in: Rebuild.
13138
13139 2008-06-09  Ian Lance Taylor  <iant@google.com>
13140
13141         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
13142         <exception>.
13143         (throwing, orig_terminate): New static variables.
13144         (terminate_handler): New static function.
13145         (t2): Set terminate handler.
13146
13147 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
13148
13149         PR 6584
13150         * binary.cc (Binary_to_elf::sized_convert): Fix .data
13151         alignment.
13152
13153 2008-05-30  Cary Coutant  <ccoutant@google.com>
13154
13155         * archive.cc (Archive::include_all_members) Correct to step
13156         over symbol table and extended name table in thin archives.
13157
13158 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
13159
13160         PR 6407
13161         * target-reloc.h (relocate_for_relocatable): Fix new_offset
13162         calculation.
13163
13164 2008-05-28  Caleb Howe  <cshowe@google.com>
13165
13166         * reduced_debug_output.cc: New file.
13167         * reduced_debug_output.h: New file.
13168         * options.h (class General_options): Add --strip-debug-non-line.
13169         * options.cc (General_options::finalize): Add strip_debug_non_line
13170         to the strip heirarchy.
13171         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
13172         fields.
13173         * layout.cc: Include "reduced_debug_output.h".
13174         (Layout::Layout): Initialize new fields.
13175         (line_only_debug_sections): New static array.
13176         (is_lines_only_debug_sections): New static inline function.
13177         (Layout::include_section): Handle --strip-debug-non-line.
13178         (Layout::make_output_section): If --strip-debug-non-line, build
13179         new output sections for .debug_abbrev and .debug_info.
13180         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
13181         gold.  Warn about possible overflow.
13182         (read_signed_LEB_128): Likewise.
13183         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
13184         (read_signed_LEB_128): Declare.
13185         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
13186         (HFILES): Add reduced_debug_output.h.
13187         * Makefile.in: Rebuild.
13188
13189 2008-05-21  Ian Lance Taylor  <iant@google.com>
13190
13191         * mapfile.cc: New file.
13192         * mapfile.h: New file.
13193         * options.h (class General_options): Add -M/--print-map and -Map.
13194         * options.cc (General_options::finalize): Make -M equivalent to
13195         -Map -.
13196         * main.cc: Include <cstdio> and "mapfile.h".
13197         (main): Open mapfile if requested.
13198         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
13199         constructor.  Change caller.
13200         (queue_initial_tasks): Add mapfile parameter.  Change caller.
13201         (queue_middle_tasks): Likewise.
13202         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
13203         declarations.
13204         * archive.cc: Include "mapfile.h".
13205         (Archive::add_symbols): Add mapfile parameter.  Change all
13206         callers.  Pass mapfile, symbol, and reason to include_member.
13207         (Archive::include_all_members): Add mapfile parameter.  Change all
13208         callers.
13209         (Archive::include_member): Add mapfile, sym, and why parameters.
13210         Change all callers.  Report inclusion to map file.
13211         * archive.h: Include "fileread.h".
13212         (class Archive): Update declarations.
13213         (Archive::file): New const method.
13214         (class Add_archive_symbols): Add mapfile_ field.  Update
13215         constructor.  Change all callers.
13216         * readsyms.h (class Read_symbols): Likewise.
13217         (class Finish_group): Likewise.
13218         (class Read_script): Likewise.
13219         * common.cc: Include "mapfile.h".
13220         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
13221         all callers.
13222         (Symbol_table::do_allocate_commons): Likewise.
13223         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
13224         symbol allocation to mapfile.
13225         * common.h (class Allocate_commons_task): Add mapfile_ field.
13226         Update constructor.  Change all callers.
13227         * symtab.h (class Symbol_table): Update declarations.
13228         * layout.cc: Include "mapfile.h".
13229         (Layout_task_runner::run): Print information to mapfile.
13230         (Layout::create_gold_note): Change Output_data_fixed_space to
13231         Output_data_zero_fill.
13232         (Layout::create_build_id): Likewise.
13233         (Layout::print_to_mapfile): New function.
13234         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
13235         constructor.  Change caller.
13236         (class Layout): Declare print_to_mapfile.
13237         * output.cc (Output_section::Input_section::print_to_mapfile): New
13238         function.
13239         (Output_section::add_input_section): If producing a map, always
13240         add to input_sections_ list.
13241         (Output_section::do_print_to_mapfile): New function.
13242         (Output_segment::print_sections_to_mapfile): New function.
13243         (Output_segment::print_section_list_to_mapfile): New function.
13244         * output.h: Include "mapfile.h".
13245         (Output_data::print_to_mapfile): New function.
13246         (Output_data::do_print_to_mapfile): New virtual function.
13247         (Output_segment_headers::do_print_to_mapfile): New function.
13248         (Output_file_header::do_print_to_mapfile): New function.
13249         (Output_data_const::do_print_to_mapfile): New function.
13250         (class Output_data_const_buffer): Add map_name_ field.  Update
13251         constructor.  Change all callers.  Add do_print_to_mapfile
13252         function.
13253         (class Output_data_fixed_space): Likewise.
13254         (class Output_data_space): Likewise.
13255         (class Output_data_zero_fill): New class.
13256         (Output_data_strtab::do_print_to_mapfile): New function.
13257         (Output_data_reloc_base::do_print_to_mapfile): New function.
13258         (Output_relocatable_relocs::do_print_to_mapfile): New function.
13259         (Output_data_group::do_print_to_mapfile): New function.
13260         (Output_data_got::do_print_to_mapfile): New function.
13261         (Output_data_dynamic::do_print_to_mapfile): New function.
13262         (Output_symtab_xindex::do_print_to_mapfile): New function.
13263         (class Output_section): Declare do_print_to_mapflie.  Declare
13264         print_to_mapfile in Input_section.
13265         (class Output_segment): Declare new functions.
13266         * object.h (Sized_relobj::symbol_count): New function.
13267         * script-sections.cc
13268         (Output_section_element_dot_assignment::set_section_addresses):
13269         Change Output_data_fixed_space to Output_data_zero_fill.
13270         (Output_data_expression::do_print_to_mapfile): New function.
13271         * script.cc (read_input_script): Add mapfile parameter.  Change
13272         all callers.
13273         * script.h (read_input_script): Update declaration.
13274         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
13275         (Eh_frame::do_print_to_mapfile): New function.
13276         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
13277         (Output_merge_string::do_print_to_mapfile): New function.
13278         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
13279         function.
13280         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
13281         function.
13282         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
13283         function.
13284         * Makefile.am (CCFILES): Add mapfile.cc.
13285         (HFILES): Add mapfile.h.
13286         * Makefile.in: Rebuild.
13287
13288 2008-05-19  Ian Lance Taylor  <iant@google.com>
13289
13290         * options.h (class General_options): Add -z relro.
13291         * layout.cc (Layout::Layout): Initialize relro_segment_.
13292         (Layout::add_output_section_data): Return the output section.
13293         (Layout::make_output_section): Rcognize relro sections and mark
13294         them appropriately.
13295         (Layout::attach_allocated_section_to_segment): Put relro sections
13296         in a PT_GNU_RELRO segment.
13297         (Layout::create_initial_dynamic_sections): Mark the .dynamic
13298         section as relro.
13299         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
13300         PT_TLS segments.
13301         (Layout::linkonce_mapping): Map d.rel.ro.local to
13302         .data.rel.ro.local.
13303         (Layout::output_section_name): Us .data.rel.ro.local for any
13304         section which begins with that.
13305         * layout.h (class Layout): Update add_output_section_data
13306         declaration.  Add relro_segment_ field.
13307         * output.cc (Output_section::Output_section): Initialize is_relro_
13308         and is_relro_local_ fields.
13309         (Output_segment::add_output_section): Group relro sections.
13310         (Output_segment::is_first_section_relro): New function.
13311         (Output_segment::maximum_alignment): If there is a relro section,
13312         align the segment to the common page size.
13313         (Output_segment::set_section_addresses): Track whether we are
13314         looking at relro sections.  If the last section is a relro
13315         section, align to the common page size.
13316         (Output_segment::set_section_list_addresses): Add in_relro
13317         parameter.  Change all callers.  Align to the page size when
13318         moving from relro to non-relro section.
13319         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
13320         segment.
13321         * output.h (class Output_section): Add is_relro_ and
13322         is_relro_local_ fields.
13323         (Output_section::is_relro): New function.
13324         (Output_section::set_is_relro): New function.
13325         (Output_section::is_relro_local): New function.
13326         (Output_section::set_is_relro_local): New function.
13327         (class Output_segment): Update declarations.
13328         * i386.cc (Target_i386::got_section): Mark .got section as relro.
13329         * sparc.cc (Target_sparc::got_section): Likewise.
13330         * x86_64.cc (Target_x86_64::got_section): Likewise.
13331         * testsuite/relro_test_main.cc: New file.
13332         * testsuite/relro_test.cc: New file.
13333         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
13334         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
13335         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
13336         (relro_test.so, relro_test_pic.o): New targets.
13337         * testsuite/Makefile.in: Rebuild.
13338
13339 2008-05-16  Ian Lance Taylor  <iant@google.com>
13340
13341         * output.cc (Output_segment::add_output_section): Remove front
13342         parameter.
13343         * output.h (class Output_segment): Remove
13344         add_initial_output_section and overloaded add_output_section.
13345         Update declaration of remaining add_output_section.
13346         * layout.cc (Layout::create_interp): Call add_output_section
13347         rather than add_initial_output_section.
13348         (Layout::finish_dynamic_section): Likewise.
13349
13350         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
13351         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
13352         know the dynamic type.
13353         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
13354         field.  Initialize it in constructor.
13355         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
13356         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
13357         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
13358         reloc.
13359
13360         * output.cc (Output_reloc::get_address): Change return type to
13361         Elf_Addr.
13362         * output.h (class Output_reloc): Update get_address declaration.
13363         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
13364         for section addresses.
13365
13366 2008-05-09  Ian Lance Taylor  <iant@google.com>
13367
13368         PR 6493
13369         * gold.cc (gold_nomem): Use return value of write.
13370
13371 2008-05-08  Ian Lance Taylor  <iant@google.com>
13372
13373         * symtab.c (Symbol::init_base_output_data): Add version
13374         parameter.  Change all callers.
13375         (Symbol::init_base_output_segment): Likewise.
13376         (Symbol::init_base_constant): Likewise.
13377         (Symbol::init_base_undefined): Likewise.
13378         (Sized_symbol::init_output_data): Likewise.
13379         (Sized_symbol::init_output_segment): Likewise.
13380         (Sized_symbol::init_constant): Likewise.
13381         (Sized_symbol::init_undefined): Likewise.
13382         (Symbol_table::do_define_in_output_data): If the new symbol has a
13383         version, mark it as the default.
13384         (Symbol_table::do_define_in_output_segment): Likewise.
13385         (Symbol_table::do_define_as_constant): Likewise.
13386         * symtab.h (class Symbol): Update declarations.
13387         (class Sized_symbol): Likewise.
13388         * resolve.cc (Symbol::override_version): New function.
13389         (Symbol::override_base): Call override_version.
13390         (Symbol::override_base_with_special): Likewise.
13391         * testsuite/ver_script_8.script: New file.
13392         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
13393         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
13394         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
13395         (ver_test_8_1.so, ver_test_8_2.so): New targets.
13396
13397 2008-05-06  Ian Lance Taylor  <iant@google.com>
13398
13399         PR 6049
13400         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
13401         functions.
13402         (class General_options): Remove existing --undefined, and add
13403         --no-undefined instead.  Add new --undefined as synonym for -u.
13404         * archive.cc (Archive::add_symbols): Check whether symbol was
13405         named with -u.
13406         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
13407         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
13408         all uses.  Add IS_UNDEFINED.  Update declarations to split
13409         different versions of init_base.  Declare init_base_undefined.
13410         (Symbol::is_defined): Handle IS_UNDEFINED.
13411         (Symbol::is_undefined): Likewise.
13412         (Symbol::is_weak_undefined): Call is_undefined.
13413         (Symbol::is_absolute): Handle IS_CONSTANT.
13414         (class Sized_symbol): Update declarations to split different
13415         versions of init.  Declare init_undefined.
13416         (class Symbol_table): Declare new functions.
13417         * symtab.cc (Symbol::init_base_object): Rename from init_base.
13418         Change all callers.
13419         (Symbol::init_base_output_data): Likewise.
13420         (Symbol::init_base_output_segment): Likewise.
13421         (Symbol::init_base_constant): Likewise.
13422         (Symbol::init_base_undefined): New function.
13423         (Sized_symbol::init_object): Rename from init.  Change all
13424         callers.
13425         (Sized_symbol::init_output_data): Likewise.
13426         (Sized_symbol::init_output_segment): Likewise.
13427         (Sized_symbol::init_constant): Likewise.
13428         (Sized_symbol::init_undefined): New function.
13429         (Symbol_table::add_undefined_symbols_from_command_line): New
13430         function.
13431         (Symbol_table::do_add_undefined_symbols_from_command_line): New
13432         function.
13433         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
13434         (Symbol::output_section): Likewise.
13435         (Symbol::set_output_section): Likewise.
13436         (Symbol_table::sized_finalize_symbol): Likewise.
13437         (Symbol_table::sized_write_globals): Likewise.
13438         * resolve.cc (Symbol_table::should_override): Likewise.
13439         (Symbol::override_base_with_special): Likewise.
13440
13441         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
13442         symbol, change it to have default visibility.
13443         * testsuite/protected_1.cc: New file.
13444         * testsuite/protected_2.cc: New file.
13445         * testsuite/protected_3.cc: New file.
13446         * testsuite/protected_main_1.cc: New file.
13447         * testsuite/protected_main_2.cc: New file.
13448         * testsuite/protected_main_3.cc: New file.
13449         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
13450         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
13451         (protected_1_LDFLAGS, protected_1_LDADD): Define.
13452         (protected_1.so): New target.
13453         (protected_1_pic.o, protected_2_pic.o): New targets.
13454         (protected_3_pic.o): New target.
13455         (check_PROGRAMS): Add protected_2.
13456         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
13457         (protected_2_LDFLAGS, protected_2_LDADD): Define.
13458         * testsuite/Makefile.in: Rebuild.
13459
13460         * options.h (DEFINE_var): Add set_user_set_##varname__.
13461         (DEFINE_bool_alias): New macro.
13462         (class General_options): Define -Bstatic using DEFINE_bool_alias
13463         rather than DEFINE_special.  Add --undefined as an alias for -z
13464         defs.
13465         * options.cc (General_options::parse_Bstatic): Remove.
13466
13467         * options.h (class General_options): Add --fatal-warnings.
13468         * main.cc (main): Implement --fatal-warnings.
13469         * errors.h (Errors::warning_count): New function.
13470
13471         * options.h (class General_options): Add -Bsymbolic-functions.
13472         * symtab.h (Symbol::is_preemptible): Check for
13473         -Bsymbolic-functions.
13474
13475 2008-05-05  Ian Lance Taylor  <iant@google.com>
13476
13477         * options.h (DEFINE_bool): For DASH_Z, create the negative option
13478         as noVARNAME rather than no-VARNAME.
13479         (class General_options): Add option -z combreloc.
13480         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
13481         get_address.
13482         (Output_reloc::sort_before) [SHT_REL]: New function.
13483         (Output_reloc::sort_before) [SHT_RELA]: New function.
13484         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
13485         Sort_relocs_comparison.
13486         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
13487         parameter.  Change all callers.
13488         (Output_data_reloc::Output_data_reloc) [both versions]: Add
13489         sort_relocs parameter.  Change all callers.
13490         * output.cc (Output_reloc::get_address): New function, broken out
13491         of write_rel.
13492         (Output_reloc::write_rel): Call it.
13493         (Output_reloc::compare): New function.
13494         (Output_data_reloc_base::do_write): Optionally sort relocs.
13495
13496         * configure.ac: If targ_extra_obj is set, link it in.
13497         * configure.tgt: Initialize all variables.
13498         (x86_64*): Set targ_extra_obj and targ_extra_size.
13499         * configure: Rebuild.
13500
13501         * object.cc (Sized_relobj::include_section_group): Adjust section
13502         indexes read from group data.  Build vector to pass to
13503         layout_group.
13504         * layout.cc (Layout::layout_group): Add flags and shndxes
13505         parameters.  Remove contents parameter.  Change caller.  Update
13506         explicit instantiations.
13507         * layout.h (class Layout): Update layout_group declaration.
13508         * output.cc (Output_data_group::Output_data_group): Add flags and
13509         input_shndxes parameters.  Remove contents parameter.  Change
13510         caller.
13511         (Output_data_group::do_write): Change input_sections_ to
13512         input_shndxes_.
13513         * output.h (class Output_data_group): Update constructor
13514         declaration.  Rename input_sections_ to input_shndxes_.
13515         * testsuite/many_sections_test.cc: Add template.
13516
13517 2008-04-30  Cary Coutant  <ccoutant@google.com>
13518
13519         * target-reloc.h (relocate_section): Fix dead-pointer bug.
13520
13521         * layout.cc (Layout::include_section): Refactored check for debug
13522         info section.
13523         (Layout::add_comdat): Add new parameters.  Change type
13524         of signature parameter.  Add object and shndx to signatures table.
13525         (Layout::find_kept_object): New function.
13526         * layout.h: Include <cstring>.
13527         (Layout::is_debug_info_section): New function.
13528         (Layout::add_comdat): Add new parameters.
13529         (Layout::find_kept_object): New function.
13530         (Layout::Kept_section): New struct.
13531         (Layout::Signatures): Change type of map range.
13532         * object.cc (Relobj::output_section_address): New function.
13533         (Sized_relobj::include_section_group): Add new parameters.  Change
13534         calls to Layout::add_comdat.  Change to build table of kept comdat
13535         groups and table mapping discarded sections to kept sections.
13536         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
13537         (Sized_relobj::do_layout): Change calls to include_section_group and
13538         include_linkonce_section.
13539         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
13540         value to zero when section is discarded.
13541         (Sized_relobj::map_to_kept_section): New function.
13542         * object.h (Relobj::output_section_address): New function.
13543         (Relobj::Comdat_group): New type.
13544         (Relobj::find_comdat_group): New function.
13545         (Relobj::Comdat_group_table): New type.
13546         (Relobj::Kept_comdat_section): New type.
13547         (Relobj::Kept_comdat_section_table): New type.
13548         (Relobj::add_comdat_group): New function.
13549         (Relobj::set_kept_comdat_section): New function.
13550         (Relobj::get_kept_comdat_section): New function.
13551         (Relobj::comdat_groups_): New field.
13552         (Relobj::kept_comdat_sections_): New field.
13553         (Symbol_value::input_value): Update comment.
13554         (Sized_relobj::map_to_kept_section) New function.
13555         (Sized_relobj::include_linkonce_section): Add new parameter.
13556         * target-reloc.h (Comdat_behavior): New type.
13557         (get_comdat_behavior): New function.
13558         (relocate_section): Add code to map a discarded section to the
13559         corresponding kept section when applying a relocation.
13560
13561 2008-04-30  Craig Silverstein  <csilvers@google.com>
13562
13563         * dwarf_reader.cc (next_generation_count): New static var.
13564         (Addr2line_cache_entry): New struct.
13565         (addr2line_cache): New static var.
13566         (Dwarf_line_info::one_addr2line): Added caching.
13567         (Dwarf_line_info::clear_addr2line_cache): New function.
13568         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
13569         cache-size parameter.
13570         (Dwarf_line_info::one_addr2line_cache): New function.
13571         * symtab.cc (Symbol_table::detect_odr_violations): Pass
13572         new cache-size argument to one_addr2line(), and clear cache.
13573
13574 2008-04-28  Cary Coutant  <ccoutant@google.com>
13575
13576         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
13577         R_386_PC8 relocations.
13578
13579 2008-04-23  Ian Lance Taylor  <iant@google.com>
13580
13581         * object.cc (Sized_relobj::include_section_group): Check for
13582         invalid section group.
13583
13584         * object.cc (make_elf_object): Correct test for 64-bit ELF file
13585         header size.
13586
13587         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
13588         than read for file header.
13589         * archive.cc (Archive::include_member): Likewise.
13590
13591 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13592
13593         * aclocal.m4: Regenerate.
13594         * configure: Regenerate.
13595
13596 2008-04-19  Ian Lance Taylor  <iant@google.com>
13597
13598         * version.cc (version_string): Bump to 1.6.
13599
13600         * testsuite/Makefile.am (many_sections_r_test): New target.
13601         (many_sections_r_test_SOURCES): Remove.
13602         (many_sections_r_test_DEPENDENCIES): Remove.
13603         (many_sections_r_test_LDFLAGS): Remove.
13604         (many_sections_r_test_LDADD): Remove.
13605
13606         * object.cc (Sized_relobj::do_add_symbols): Always pass
13607         local_symbol_count_ to add_from_relobj.
13608
13609         * testsuite/Makefile.am (many_sections_check.h): Only check one in
13610         every thousand variables.
13611         * testsuite/Makefile.in: Rebuild.
13612
13613         * object.cc (Xindex::initialize_symtab_xindex): New function.
13614         (Xindex::read_symtab_xindex): New function.
13615         (Xindex::sym_xindex_to_shndx): New function.
13616         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
13617         available.
13618         (Sized_relobj::do_initialize_xindex): New function.
13619         (Sized_relobj::do_read_symbols): Adjust section links.
13620         (Sized_relobj::symbol_section_and_value): Add is_ordinary
13621         parameter.  Change all callers.
13622         (Sized_relobj::include_section_group): Adjust section links and
13623         symbol section indexes.
13624         (Sized_relobj::do_layout): Adjust section links.
13625         (Sized_relobj::do_count_local_symbols): Adjust section links and
13626         symbol section indexes.
13627         (Sized_relobj::do_finalize_local_symbols): Distinguish between
13628         ordinary and special symbols.
13629         (Sized_relobj::write_local_symbols): Add symtab_xindex and
13630         dynsym_xindex parameters.  Change all callers.  Adjust section
13631         links.  Use SHN_XINDEX when needed.
13632         (Sized_relobj::get_symbol_location_info): Adjust section links.
13633         Don't get fooled by special symbols.
13634         * object.h (class Xindex): Define.
13635         (class Object): Add xindex_ parameter.  Declare virtual functoin
13636         do_initialize_xindex.
13637         (Object::adjust_sym_shndx): New function.
13638         (Object::set_xindex): New protected function.
13639         (class Symbol_value): Add is_ordinary_shndx_ field.
13640         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
13641         (Symbol_value::value): Assert ordinary section.
13642         (Symbol_value::initialize_input_to_output_map): Likewise.
13643         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
13644         Change all callers.
13645         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
13646         all callers.
13647         (class Sized_relobj): Update declarations.
13648         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
13649         parameter.  Change all callers.
13650         (Sized_relobj::adjust_shndx): New function.
13651         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
13652         field.
13653         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
13654         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
13655         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
13656         (Sized_dynobj::read_dynsym_section): Adjust section links.
13657         (Sized_dynobj::read_dynamic): Likewise.
13658         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
13659         section links.
13660         (Sized_dynobj::do_initialize_xindex): New function.
13661         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
13662         do_initialize_xindex.
13663         (Sized_dynobj::adjust_shndx): New function.
13664         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
13665         dynsym_xindex_ fields.
13666         (Layout::finalize): Add a call to set_section_indexes before
13667         creating the symtab sections.
13668         (Layout::set_section_indexes): Don't do anything if the section
13669         already has a section index.
13670         (Layout::create_symtab_sections): Add shnum parameter.  Change
13671         caller.  Create .symtab_shndx section if needed.
13672         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
13673         caller.
13674         (Layout::allocated_output_section_count): New function.
13675         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
13676         needed.
13677         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
13678         fields.  Update declarations.
13679         (Layout::symtab_xindex): New function.
13680         (Layout::dynsym_xindex): New function.
13681         (class Write_symbols_task): Add layout_ field.
13682         (Write_symbols_task::Write_symbols_task): Add layout parameter.
13683         Change caller.
13684         * output.cc (Output_section_headers::Output_section_headers): Add
13685         shstrtab_section parameter.  Change all callers.
13686         (Output_section_headers::do_sized_write): Store overflow values
13687         for section count and section string table section index in
13688         section header zero.
13689         (Output_file_header::do_sized_write): Check for overflow of
13690         section count and section string table section index.
13691         (Output_symtab_xindex::do_write): New function.
13692         (Output_symtab_xindex::endian_do_write): New function.
13693         * output.h (class Output_section_headers): Add shstrtab_section_.
13694         Update declarations.
13695         (class Output_symtab_xindex): Define.
13696         (Output_section::has_out_shndx): New function.
13697         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
13698         field.
13699         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
13700         Change all callers.
13701         (Sized_symbol::init): Likewise.
13702         (Symbol::output_section): Check for ordinary symbol.
13703         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
13704         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
13705         callers.
13706         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
13707         Change all callers.  Simplify handling of symbols from sections
13708         not included in the link.
13709         (Symbol_table::add_from_dynobj): Handle ordinary symbol
13710         distinction.
13711         (Weak_alias_sorter::operator()): Assert that symbols are
13712         ordinary.
13713         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
13714         distinction.
13715         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
13716         parameters.  Change all callers.
13717         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
13718         symbol distinction.  Use SHN_XINDEX when needed.
13719         (Symbol_table::write_section_symbol): Add symtab_xindex
13720         parameter.  Change all callers.
13721         (Symbol_table::sized_write_section_symbol): Likewise.  Use
13722         SHN_XINDEX when needed.
13723         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
13724         declarations.
13725         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
13726         (Symbol::is_defined): Check is_ordinary.
13727         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
13728         (Symbol::is_absolute, Symbol::is_common): Likewise.
13729         (class Sized_symbol): Update declarations.
13730         (class Symbol_table): Update declarations.
13731         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
13732         parameters.  Change all callers.
13733         (Sized_symbol::override): Likewise.
13734         (Symbol_table::override): Likewise.
13735         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
13736         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
13737         is_ordinary, and orig_st_shndx parameters.  Change all callers.
13738         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
13739         to be in an ordinary section.
13740         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
13741         object and is_ordinary parameters.  Change all callers.
13742         (Sized_dwarf_line_info::read_relocs): Add object parameter.
13743         Change all callers.  Don't add undefined or non-ordinary symbols
13744         to reloc_map_.
13745         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
13746         Change all callers.
13747         * dwarf_reader.h (class Sized_dwarf_line_info): Update
13748         declarations.
13749         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
13750         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
13751         (Sized_relobj::relocate_sections): Likewise.
13752         * target-reloc.h (scan_relocs): Adjust section symbol index.
13753         (scan_relocatable_relocs): Likewise.
13754         * i386.cc (Scan::local): Check for ordinary symbols.
13755         * sparc.cc (Scan::local): Likewise.
13756         * x86_64.cc (Scan::local): Likewise.
13757         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
13758         to symbol_section_and_value.
13759         * testsuite/many_sections_test.cc: New file.
13760         * testsuite/Makefile.am (BUILT_SOURCES): Define.
13761         (check_PROGRAMS): Add many_sections_test.
13762         (many_sections_test_SOURCES): Define.
13763         (many_sections_test_DEPENDENCIES): Define.
13764         (many_sections_test_LDFLAGS): Define.
13765         (BUILT_SOURCES): Add many_sections_define.h.
13766         (many_sections_define.h): New target.
13767         (BUILT_SOURCES): Add many_sections_check.h.
13768         (many_sections_check.h): New target.
13769         (check_PROGRAMS): Add many_sections_r_test.
13770         (many_sections_r_test_SOURCES): Define.
13771         (many_sections_r_test_DEPENDENCIES): Define.
13772         (many_sections_r_test_LDFLAGS): Define.
13773         (many_sections_r_test_LDADD): Define.
13774         (many_sections_r_test.o): New target.
13775         * testsuite/Makefile.in: Rebuild.
13776
13777 2008-04-17  Cary Coutant  <ccoutant@google.com>
13778
13779         * errors.cc (Errors::info): New function.
13780         (gold_info): New function.
13781         * errors.h (Errors::info): New function.
13782         * gold.h (gold_info): New function.
13783         * object.cc (Input_objects::add_object): Print trace output.
13784         * options.cc (options::parse_set): New function.
13785         (General_options::parse_wrap): Deleted.
13786         (General_options::General_options): Deleted initializer.
13787         * options.h (options::String_set): New typedef.
13788         (options::parse_set): New function.
13789         (DEFINE_set): New macro.
13790         (General_options::wrap): Changed to use DEFINE_set. Changed
13791         callers of any_wrap_symbols and is_wrap_symbol.
13792         (General_options::trace, General_options::trace_symbol):
13793         New options.
13794         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
13795         (General_options::wrap_symbols_): Deleted.
13796         * symtab.cc (Symbol_table::add_from_object): Print trace output.
13797
13798 2008-04-17  David S. Miller  <davem@davemloft.net>
13799
13800         * options.cc (General_options::parse_V): New function.
13801         * options.h: Add entries for -V and -Qy.
13802
13803 2008-04-17  Ian Lance Taylor  <iant@google.com>
13804
13805         * common.cc (Symbol_table::allocate_commons): Remove options
13806         parameter.  Change caller.
13807         (Symbol_table::do_allocate_commons): Remove options parameter.
13808         Change caller.  Just call do_allocate_commons_list twice.
13809         (Symbol_table::do_allocate_commons_list): New function, broken out
13810         of do_allocate_commons.
13811         * common.h (class Allocate_commons_task): Remove options_ field.
13812         Update constructor.
13813         * symtab.cc (Symbol_table::Symbol_table): Initialize
13814         tls_commons_.
13815         (Symbol_table::add_from_object): Put TLS common symbols on
13816         tls_commons_ list.
13817         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
13818         which are IN_OUTPUT_DATA.
13819         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
13820         allocate_commons and do_allocate_commons declarations.  Declare
13821         do_allocate_commons_list.
13822         * gold.cc (queue_middle_tasks): Update creation of
13823         Allocate_commons_task to not pass options.
13824         * testsuite/Makefile.am (INCLUDES): Add -I.. .
13825         (TLS_TEST_C_FLAGS): New variable.
13826         (tls_test_c_pic.o): New target.
13827         (tls_test_shared.so): Link in tls_test_c_pic.o.
13828         (tls_test_c_pic_ie.o): New target.
13829         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
13830         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
13831         (tls_test_c.o): New target.
13832         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
13833         (tls_pic_test_LDADD): Likewise.
13834         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
13835         (tls_shared_gd_to_ie_test_LDADD): Likewise.
13836         (tls_test_c_gnu2.o): New target.
13837         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
13838         tls_test_c_gnu2.o.
13839         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
13840         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
13841         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
13842         * testsuite/tls_test.cc: Include "config.h".
13843         (t_last): Call t11_last.
13844         * testsuite/tls_test.h (t11, t11_last): Declare.
13845         * testsuite/tls_test_c.c: New file.
13846         * testsuite/tls_test_main.cc (thread_routine): Call t11.
13847         * configure.ac: Check for OpenMP support.
13848         * configure, config.in, Makefile.in: Rebuild.
13849         * testsuite/Makefile.in: Rebuild.
13850
13851 2008-04-16  Cary Coutant  <ccoutant@google.com>
13852
13853         * i386.cc (Target_i386::define_tls_base_symbol): New function.
13854         (Target_i386::tls_base_symbol_defined_): New field.
13855         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13856         (Target_i386::Scan::global): Likewise.
13857         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
13858         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
13859         (Target_x86_64::tls_base_symbol_defined_): New field.
13860         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13861         (Target_x86_64::Scan::global): Likewise.
13862
13863 2008-04-16  Cary Coutant  <ccoutant@google.com>
13864
13865         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
13866         (Symbol::needs_plt_entry): Allow weak undefined symbols.
13867         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
13868         building shared libraries.
13869         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
13870         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
13871         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
13872         * testsuite/Makefile.in: Rebuild.
13873         * testsuite/weak_undef.h: New file.
13874         * testsuite/weak_undef_file1.cc: Add extra test cases.
13875         * testsuite/weak_undef_file2.cc: Likewise.
13876         * testsuite/weak_undef_test.cc: Likewise.
13877
13878 2008-04-16  David S. Miller  <davem@davemloft.net>
13879
13880         * sparc.cc (Target_sparc::Scan): Change from struct to class.
13881         Add issued_non_pic_error_ field.  Declare check_non_pic.
13882         (Target_sparc::Scan::check_non_pic): New function.
13883         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
13884         (Target_sparc::Scan::global): Likewise.
13885
13886         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
13887         * configure: Rebuild.
13888
13889         * options.h (DEFINE_enable): New macro.
13890         (new_dtags): New enable option.
13891         (initfirst, interpose, loadfltr, nodefaultlib,
13892         nodelete, nodlopen, nodump): New -z options.
13893         * layout.cc (Layout:finish_dynamic_section): If new
13894         dtags enabled, emit DT_RUNPATH.  Also, emit a
13895         DT_FLAGS_1 containing any specified -z flags.
13896
13897 2008-04-16  Ian Lance Taylor  <iant@google.com>
13898
13899         * copy-relocs.cc: New file.
13900         * copy-relocs.h: New file.
13901         * reloc.cc: Remove Copy_relocs code.
13902         * reloc.h: Likewise.
13903         * reloc-types.h (struct Reloc_types) [both versions]: Add
13904         get_reloc_addend_noerror.
13905         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
13906         variants of add_global which take an addend which must be zero.
13907         * i386.cc: Include "copy-relocs.h".
13908         (class Target_i386): Change type of copy_relocs_ to variable,
13909         update initializer.
13910         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
13911         Change all callers.
13912         (Target_i386::do_finalize_sections): Change handling of
13913         copy_relocs_.
13914         * sparc.cc: Include "copy-relocs.h".
13915         (class Target_sparc): Change type of copy_relocs_ to variable,
13916         update initializer.
13917         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
13918         Change all callers.
13919         (Target_sparc::do_finalize_sections): Change handling of
13920         copy_relocs_.
13921         * x86_64.cc: Include "copy-relocs.h".
13922         (class Target_x86_64): Change type of copy_relocs_ to variable,
13923         update initializer.
13924         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
13925         class.  Change all callers.
13926         (Target_x86_64::do_finalize_sections): Change handling of
13927         copy_relocs_.
13928         * Makefile.am (CCFILES): Add copy-relocs.cc.
13929         (HFILES): Add copy-relocs.h.
13930
13931         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
13932
13933         * testsuite/script_test_4.sh: Permit leading zeroes.
13934
13935 2008-04-15  Ian Lance Taylor  <iant@google.com>
13936
13937         * script-sections.cc (Script_sections::create_segments): Use
13938         header_size_adjustment even when there is enough room for the
13939         headers.
13940         * testsuite/script_test_4.sh: New file.
13941         * testsuite/script_test_4.t: New file.
13942         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
13943         (check_DATA): Add script_test_4.stdout.
13944         (MOSTLYCLEANFILES): Likewise.
13945         (script_test_4): New target.
13946         (script_test_4.stdout): New target.
13947         * testsuite/Makefile.in: Rebuild.
13948
13949         * sparc.cc: Add definitions for Output_data_plt_sparc class
13950         constants.
13951
13952 2008-04-14  David S. Miller  <davem@davemloft.net>
13953
13954         * sparc.cc: New file.
13955         * Makefile.am (TARGETSOURCES): Add sparc.cc
13956         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
13957         * configure.tgt: Document targ_extra_size and
13958         targ_extra_big_endian.  Add entries for sparc-* and
13959         sparc64-*.
13960         * configure.ac: Handle targ_extra_size and
13961         targ_extra_big_endian.
13962         * Makefile.in: Rebuild.
13963         * configure: Likewise.
13964         * po/POTFILES.in: Likewise.
13965         * po/gold.pot: Likewise.
13966
13967 2008-04-14  Ian Lance Taylor  <iant@google.com>
13968
13969         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
13970         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
13971         in the name/type/flags to section mapping.  Don't call
13972         allocate_output_section.
13973         (Layout::choose_output_section): Change parameter from adjust_name
13974         to is_input_section.  Don't permit input sections after sections
13975         are attached to segments.  Don't call allocate_output_section.
13976         (Layout::layout_eh_frame): Call update_flags_for_input_section,
13977         not write_enable_output_section.
13978         (Layout::make_output_section): Don't push to
13979         unattached_section_list_ nor call attach_to_segment.  Call
13980         attach_section_to_segment if sections are attached.
13981         (Layout::attach_sections_to_segments): New function.
13982         (Layout::attach_section_to_segment): New function.
13983         (Layout::attach_allocated_section_to_segment): Rename from
13984         attach_to_segment.  Remove flags parameter.
13985         (Layout::allocate_output_section): Remove function.
13986         (Layout::write_enable_output_section): Remove function.
13987         * layout.h (class Layout): Update for above changes.  Add new
13988         field sections_are_attached_.
13989         * output.h (Output_section::update_flags_for_input_section): New
13990         function.
13991         * output.cc (Output_section::add_input_section): Call
13992         update_flags_for_input_section.
13993         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
13994
13995 2008-04-11  Cary Coutant  <ccoutant@google.com>
13996
13997         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
13998         thought unnecessary.
13999         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
14000
14001 2008-04-11  Ian Lance Taylor  <iant@google.com>
14002
14003         * output.h (class Output_section_data): Remove inline definition
14004         of set_addralign.
14005         * output.cc (Output_section_data::set_addralign): New function.
14006
14007 2008-04-11  Cary Coutant  <ccoutant@google.com>
14008
14009         Add support for TLS descriptors for i386 and x86_64.
14010         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
14011         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
14012         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
14013         GOT_TYPE_TLS_DESC.
14014         (Target_i386::got_mod_index_entry): Remove unnecessary code.
14015         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
14016         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
14017         relocations.
14018         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
14019         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
14020         Fix problem with initial-exec relocations.
14021         (Target_i386::Relocate::relocate_tls): Likewise.
14022         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
14023         relaxation.
14024         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
14025         support for section-plus-offset dynamic table entries.
14026         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
14027         (Output_data_dynamic::Dynamic_entry): Add support for
14028         section-plus-offset dynamic table entries.
14029         (Output_data_dynamic::Classification): Likewise.
14030         (Output_data_dynamic::classification_): Renamed offset_.
14031         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
14032         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
14033         (Target_x86_64::make_plt_section): New function.
14034         (Target_x86_64::reserve_tlsdesc_entries): New function.
14035         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
14036         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
14037         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
14038         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
14039         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
14040         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
14041         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
14042         add extra PLT entry for TLS descriptors.
14043         (Output_data_plt_x86_64::got_): New field.
14044         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
14045         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
14046         fields.
14047         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
14048         descriptors.
14049         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
14050         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
14051         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
14052         R_386_TLS_DESC_CALL relocations.
14053         (Target_x86_64::Scan::global): Likewise.
14054         (Target_x86_64::do_finalize_sections): Add dynamic table entries
14055         for TLS descriptors.
14056         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
14057         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
14058         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
14059         GD-to-IE relaxation.
14060         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
14061         and TLS_DESCRIPTORS.
14062         * Makefile.in: Rebuild.
14063         * configure: Rebuild.
14064         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
14065         (tls_test_shared2.so): New target.
14066         (tls_shared_gd_to_ie_test_SOURCES): New variable.
14067         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
14068         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
14069         (tls_shared_gd_to_ie_test_LDADD): New variable.
14070         (tls_shared_gnu2_gd_to_ie_test): New target.
14071         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
14072         New targets.
14073         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
14074         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
14075         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
14076         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
14077         (tls_shared_gnu2_test): New target.
14078         (tls_test_gnu2_shared.so): New target.
14079         (tls_shared_gnu2_test_SOURCES): New variable.
14080         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
14081         (tls_shared_gnu2_test_LDFLAGS): New variable.
14082         (tls_shared_gnu2_test_LDADD): New variable.
14083         * testsuite/Makefile.in: Rebuild.
14084         * testsuite/Makefile.
14085
14086 2008-04-11  Ian Lance Taylor  <iant@google.com>
14087
14088         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
14089         justsyms.t.
14090         * testsuite/Makefile.in: Rebuild.
14091
14092         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
14093         long.
14094         * testsuite/script_test_2.cc (main): Adjust test.
14095
14096 2008-04-11  David S. Miller  <davem@davemloft.net>
14097             Ian Lance Taylor  <iant@google.com>
14098
14099         * options.h (General_options): Add entries for '-Y' and
14100         '-relax'.
14101         * options.cc (General_options:finalize): If -Y was used, add those
14102         entries to the library path instead of the default "/lib" and
14103         "/usr/lib".
14104
14105 2008-04-11  David S. Miller  <davem@davemloft.net>
14106
14107         * testsuite/justsyms.t: Start at 0x100.
14108         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
14109         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
14110         long.
14111         * testsuite/script_test_2.cc: Adjust string and section length
14112         checks.
14113
14114 2008-04-09  Ian Lance Taylor  <iant@google.com>
14115
14116         PR gold/5996
14117         * script-sections.cc (Sections_element::allocate_to_segment): Add
14118         orphan parameter.
14119         (Output_section_definition::allocate_to_segment): Likewise.
14120         (Orphan_output_section::allocate_to_segment): Likewise.
14121         (Script_sections::attach_sections_using_phdrs_clause): Don't
14122         propagate non-PT_LOAD segments to orphan sections.
14123         * testsuite/Makefile.am (script_test_3.stdout): Generate using
14124         readelf rather than objdump.
14125         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
14126         .interp section and PT_INTERP segment are the same size.
14127         * testsuite/Makefile.in: Rebuild.
14128
14129         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
14130         aliases for symbols defined in the same object.
14131         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
14132         (weak_alias_test_SOURCES): New variable.
14133         (weak_alias_test_DEPENDENCIES): New variable.
14134         (weak_alias_test_LDFLAGS): New variable.
14135         (weak_alias_test_LDADD): New variable.
14136         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
14137         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
14138         (weak_alias_test_3.o): New target.
14139         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
14140         * testsuite/weak_alias_test_main.cc: New file.
14141         * testsuite/weak_alias_test_1.cc: New file.
14142         * testsuite/weak_alias_test_2.cc: New file.
14143         * testsuite/weak_alias_test_3.cc: New file.
14144
14145 2008-04-08  Ian Lance Taylor  <iant@google.com>
14146
14147         * options.h (class General_options): Add --noinhibit-exec option.
14148         * main.cc (main): Check --noinhibit-exec.
14149
14150         * options.h (class General_options): Define --wrap as a special
14151         option.  Add wrap_symbols_ field.
14152         (General_options::any_wrap_symbols): New function.
14153         (General_options::is_wrap_symbol): New function.
14154         * options.cc (General_options::parse_wrap): New function.
14155         (General_options::General_options): Initialize wrap_symbols_.
14156         * symtab.cc (Symbol_table::wrap_symbol): New function.
14157         (Symbol_table::add_from_object): Handle --wrap.
14158         * symtab.h (class Symbol_table): Declare wrap_symbol.
14159         * target.h (Target::wrap_char): New function.
14160         (Target::Target_info): Add wrap_char field.
14161         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
14162         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
14163         * testsuite/testfile.cc (Target_test::test_target_info):
14164         Likewise.
14165
14166         * errors.cc (Errors::undefined_symbol): Mention symbol version if
14167         there is one.
14168
14169         * layout.h (class Layout): Add added_eh_frame_data_ field.
14170         * layout.cc (Layout::Layout): Initialize new field.
14171         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
14172         output section until we find a section we merged successfully.
14173         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
14174         that the size be non-zero.
14175
14176         * merge.cc (Object_merge_map::get_output_offset): Remove inline
14177         qualifier.
14178
14179 2008-04-08  Craig Silverstein  <csilvers@google.com>
14180
14181         * configure.ac: Export new conditional variable HAVE_ZLIB.
14182         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
14183         on HAVE_ZLIB.
14184         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
14185         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14186
14187 2008-04-07  Ian Lance Taylor  <iant@google.com>
14188
14189         * version.cc (version_string): Set to "1.5".
14190
14191         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
14192         Add issued_non_pic_error_ field.  Declare check_non_pic.
14193         (Target_x86_64::Scan::check_non_pic): New function.
14194         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
14195         (Target_x86_64::Scan::global): Likewise.
14196
14197         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
14198         addend parameter.  Change caller.  Handle merge sections.
14199         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
14200         Address to Addend.  Don't add in the result of
14201         local_section_offset, pass down the addend and use the returned
14202         value.
14203         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
14204         Update declarations of local_section_offset and symbol_value.
14205         * testsuite/two_file_test_1.cc (t18): New function.
14206         * testsuite/two_file_test_2.cc (f18): New function.
14207         * testsuite/two_file_test_main.cc (main): Call t18.
14208         * testsuite/two_file_test.h (t18, f18): Declare.
14209
14210         * configure.ac: Don't test for objdump, c++filt, or readelf.
14211         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
14212         conditionals.
14213         (TEST_READELF): New variable.
14214         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
14215         (check_PROGRAMS): Add two_file_strip_test.
14216         (two_file_strip_test): New target.
14217         (check_PROGRAMS): Add two_file_same_shared_strip_test.
14218         (two_file_same_shared_strip_test_SOURCES): New variable.
14219         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
14220         (two_file_same_shared_strip_test_LDFLAGS): New variable.
14221         (two_file_same_shared_strip_test_LDADD): New variable.
14222         (two_file_shared_strip.so): New target.
14223         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
14224         (ver_test_5.syms, ver_test_7.syms): Likewise.
14225         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
14226         (strip_test_3.stdout): Use TEST_OBJDUMP.
14227         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14228
14229 2008-04-04  Cary Coutant  <ccoutant@google.com>
14230
14231         * symtab.h (Symbol::is_weak_undefined): New function.
14232         (Symbol::is_strong_undefined): New function.
14233         (Symbol::is_absolute): New function.
14234         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
14235         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
14236         absolute symbols.
14237         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
14238         (weak_undef_test): New target.
14239         * testsuite/Makefile.in: Rebuild.
14240         * testsuite/weak_undef_file1.cc: New file.
14241         * testsuite/weak_undef_file2.cc: New file.
14242         * testsuite/weak_undef_test.cc: New file.
14243
14244 2008-04-03  Craig Silverstein  <csilvers@google.com>
14245
14246         * compressed_output.h (class Output_compressed_section): Use
14247         unsigned buffer.
14248         * compressed_output.cc (zlib_compress): Use unsigned buffers,
14249         add zlib header.
14250         (zlib_compressed_suffix): Removed.
14251         (Output_compressed_section::set_final_data_size): Use unsigned
14252         buffers.
14253         * testsuite/Makefile.am (flagstest_compress_debug_sections):
14254         Fix linker invocation.
14255         (flagstest_o_specialfile_and_compress_debug_sections):
14256         Likewise.
14257         * testsuite/Makefile.in: Regenerated.
14258
14259 2008-04-02  David S. Miller  <davem@davemloft.net>
14260
14261         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
14262         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
14263
14264 2008-04-02  Craig Silverstein  <csilvers@google.com>
14265
14266         * TODO: New file.
14267
14268 2008-04-02  Ian Lance Taylor  <iant@google.com>
14269
14270         * fileread.cc (File_read::find_view): Add byteshift and vshifted
14271         parameters.  Update for new key type to views_.  Change all
14272         callers.
14273         (File_read::read): Adjust for byteshift in returned view.
14274         (File_read::add_view): New function, broken out of
14275         find_and_make_view.
14276         (File_read::make_view): New function, broken out of
14277         find_and_make_view.
14278         (File_read::find_or_make_view): Add offset and aligned
14279         parameters.  Rewrite accordingly.  Change all callers.
14280         (File_read::get_view): Add offset and aligned parameters.  Adjust
14281         for byteshift in return value.
14282         (File_read::get_lasting_view): Likewise.
14283         * fileread.h (class File_read): Update declarations.
14284         (class File_read::View): Add byteshift_ field.  Add byteshift to
14285         constructor.  Add byteshift method.
14286         * archive.h (Archive::clear_uncached_views): New function.
14287         (Archive::get_view): Add aligned parameter.  Change all callers.
14288         * object.h (Object::get_view): Add aligned parameter.  Change all
14289         callers.
14290         (Object::get_lasting_view): Likewise.
14291
14292         * fileread.cc (File_read::release): Don't call clear_views if
14293         there are multiple objects.
14294         * fileread.h (File_read::clear_uncached_views): New function.
14295         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
14296         on the archive.
14297
14298 2008-03-31  Cary Coutant  <ccoutant@google.com>
14299
14300         Add thin archive support.
14301         * archive.cc (Archive::armagt): New const.
14302         (Archive::setup): Remove task parameter and calls to unlock.
14303         (Archive::unlock_nested_archives): New function.
14304         (Archive::read_header): Add nested_off parameter. Change
14305         all callers.
14306         (Archive::interpret_header): Likewise.
14307         (Archive::include_all_members): Change to handle thin
14308         archives.
14309         (Archive::include_member): Likewise.
14310         * archive.h (Archive::Archive): Add new parameters and
14311         initializers.
14312         (Archive::armagt): New const.
14313         (Archive::setup): Remove task parameter.
14314         (Archive::unlock_nested_archives): New function.
14315         (Archive::read_header): Add nested_off parameter.
14316         (Archive::interpret_header): Likewise.
14317         (Archive::Nested_archive_table): New typedef.
14318         (Archive::is_thin_archive_): New field.
14319         (Archive::nested_archives_): New field.
14320         (Archive::options_): New field.
14321         (Archive::dirpath_): New field.
14322         (Archive::task_): New field.
14323         * readsyms.cc (Read_symbols::do_read_symbols): Add check
14324         for thin archives.  Pass additional parameters to
14325         Archive::Archive.  Unlock the archive file after calling
14326         Archive::setup.
14327
14328 2008-03-29  Ian Lance Taylor  <iant@google.com>
14329
14330         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
14331         version symbol to be local.
14332         * testsuite/ver_test_4.sh: New file.
14333         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
14334         (check_DATA): Add ver_test_4.syms.
14335         (ver_test_4.syms): New target.
14336         * testsuite/Makefile.in: Rebuild.
14337
14338         * output.cc
14339         (Output_section::Input_section_sort_entry::has_priority): New
14340         function.
14341         (Output_section::Input_section_sort_entry::match_file_name): New
14342         function.
14343         (Output_section::Input_section_sort_entry::match_section_name):
14344         Remove.
14345         (Output_section::Input_section_sort_entry::match_section_name_prefix):
14346         Remove.
14347         (Output_section::Input_section_sort_entry::match_section_file):
14348         Remove.
14349         (Output_section::Input_section_sort_compare::operator()): Rewrite
14350         using new Input_section_sort_entry functions.  Sort crtbegin and
14351         crtend first.  Sort sections with no priority before sections with
14352         a priority.
14353         * testsuite/initpri1.c (d3): Check j != 4.
14354         (cd5): New constructor/destructor function.
14355         (main): Check j != 2.
14356
14357         * symtab.cc (Symbol_table::add_from_object): If we don't use the
14358         new symbol when resolving, don't call set_is_default.
14359         * testsuite/ver_test_7.cc: New file.
14360         * testsuite/ver_test_7.sh: New file.
14361         * testsuite/Makefile.am (ver_test_7.so): New target.
14362         (ver_test_7.o): New target.
14363         (check_SCRIPTS): Add ver_test_7.sh.
14364         (check_DATA): Add ver_test_7.syms.
14365         (ver_test_7.syms): New target.
14366
14367 2008-03-28  Ian Lance Taylor  <iant@google.com>
14368
14369         * layout.cc (Layout::layout): If we see an input section with a
14370         name that needs sorting, set the must_sort flag for the output
14371         section.
14372         (Layout::make_output_section): If the name of the output section
14373         indicates that it might require sorting, set the may_sort flag.
14374         * output.h (Output_section::may_sort_attached_input_sections): New
14375         function.
14376         (Output_section::set_may_sort_attached_input_sections): New
14377         function.
14378         (Output_section::must_sort_attached_input_sections): New
14379         function.
14380         (Output_section::set_must_sort_attached_input_sections): New
14381         function.
14382         (class Output_section): Declare Input_section_sort_entry.  Define
14383         Input_section_sort_compare.  Declare
14384         sort_attached_input_sections.  Add new fields:
14385         may_sort_attached_input_sections_,
14386         must_sort_attached_input_sections_,
14387         attached_input_sections_are_sorted_.
14388         * output.cc (Output_section::Output_section): Initialize new
14389         fields.
14390         (Output_section::add_input_section): Add an entry to
14391         input_sections_ if may_sort or must_sort are true.
14392         (Output_section::set_final_data_size): Call
14393         sort_attached_input_sections if necessary.
14394         (Output_section::Input_section_sort_entry): Define new class.
14395         (Output_section::Input_section_sort_compare::operator()): New
14396         function.
14397         (Output_section::sort_attached_input_sections): New function.
14398         * configure.ac: Check whether the compiler supports constructor
14399         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
14400         * testsuite/initpri1.c: New file.
14401         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
14402         CONSTRUCTOR_PRIORITY.
14403         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
14404         (initpri1_LDFLAGS): New variable.
14405         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14406
14407 2008-03-27  Ian Lance Taylor  <iant@google.com>
14408
14409         * common.cc (Sort_commons::operator): Correct sorting algorithm.
14410         * testsuite/common_test_1.c: New file.
14411         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
14412         (common_test_1_SOURCES): New variable.
14413         (common_test_1_DEPENDENCIES): New variable.
14414         (common_test_1_LDFLAGS): New variable.
14415
14416         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
14417         and commons_ correctly when NAME/VERSION does not override
14418         NAME/NULL.
14419         * testsuite/ver_test_6.c: New file.
14420         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
14421         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
14422         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
14423
14424 2008-03-26  Ian Lance Taylor  <iant@google.com>
14425
14426         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
14427         of an undefined symbol from a version script.
14428         * testsuite/Makefile.am (ver_test_5.so): New target.
14429         (ver_test_5.o): New target.
14430         (check_SCRIPTS): Add ver_test_5.sh.
14431         (check_DATA): Add ver_test_5.syms.
14432         (ver_test_5.syms): New target.
14433         * testsuite/ver_test_5.cc: New file.
14434         * testsuite/ver_test_5.script: New file.
14435         * testsuite/ver_test_5.sh: New file.
14436         * Makefile.in, testsuite/Makefile.in: Rebuild.
14437
14438         PR gold/5986
14439         Fix problems building gold with gcc 4.3.0.
14440         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
14441         (gold_error_at_location, gold_warning_at_location): Use it.
14442         * configure.ac: Check whether we can compile and use a template
14443         function with a printf attribute.
14444         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
14445         when jumping over bytes.
14446         * object.cc: Instantiate Object::read_section_data.
14447         * debug.h: Include <cstring>
14448         * dwarf_reader.cc: Include <algorithm>
14449         * main.cc: Include <cstring>.
14450         * options.cc: Include <cstring>.
14451         * output.cc: Include <cstring>.
14452         * script.cc: Include <cstring>.
14453         * script.h: Include <string>.
14454         * symtab.cc: Include <cstring> and <algorithm>.
14455         * target-select.cc: Include <cstring>.
14456         * version.cc: Include <string>.
14457         * testsuite/testmain.cc: Include <cstdlib>.
14458         * configure, config.in: Rebuild.
14459
14460 2008-03-25  Ian Lance Taylor  <iant@google.com>
14461
14462         * options.cc: Include "../bfd/bfdver.h".
14463         (options::help): Print bug reporting address.
14464
14465         * version.cc (print_version): Adjust output for current value of
14466         BFD_VERSION_STRING.
14467
14468         * NEWS: New file.
14469
14470         * options.cc (options::help): Print list of supported targets.
14471         * target-select.h: Include <vector>.
14472         (class Target_selector): Make machine_, size_, and is_big_endian_
14473         fields const.  Add bfd_name_ and instantiated_target_ fields.
14474         (Target_selector::Target_selector): Add bfd_name parameter.
14475         (Target_selector::recognize): Make non-virtual, call
14476         do_recognize.
14477         (Target_selector::recognize_by_name): Make non-virtual, call
14478         do_recognize_by_name.
14479         (Target_selector::supported_names): New function.
14480         (Target_selector::bfd_name): New function.
14481         (Target_selector::do_instantiate_target): New pure virtual
14482         function.
14483         (Target_selector::do_recognize): New virtual function.
14484         (Target_selector::do_recognize_by_name): New virtual function.
14485         (Target_selector::instantiate_target): New private function.
14486         (supported_target_names): Declare.
14487         * target-select.cc (Target_selector::Target_selector): Update for
14488         new parameter and fields.
14489         (select_target_by_name): Check that the name matches before
14490         calling recognize_by_name.
14491         (supported_target_names): New function.
14492         * i386.cc (class Target_selector_i386): Update Target_selector
14493         constructor call.  Remove recognize and recognize_by_name.  Add
14494         do_instantiate_target.
14495         * x86_64.cc (class Target_selector_x86_64): Likewise.
14496         * testsuite/testfile.cc (class Target_selector_test): Update for
14497         changes to Target_selector.
14498
14499         * README: Rewrite, with some notes on unsupported features.
14500
14501 2008-03-24  Cary Coutant  <ccoutant@google.com>
14502
14503         * i386.cc (Target_i386::Got_type): New enum declaration.
14504         (Target_i386::Scan::local): Updated callers of Output_data_got
14505         member functions.
14506         (Target_i386::Scan::global): Likewise.
14507         (Target_i386::Relocate::relocate): Likewise.
14508         (Target_i386::Relocate::relocate_tls): Likewise.
14509         * object.h (Got_offset_list): New class.
14510         (Sized_relobj::local_has_got_offset): Added got_type parameter.
14511         (Sized_relobj::local_got_offset): Likewise.
14512         (Sized_relobj::set_local_got_offset): Likewise.
14513         (Sized_relobj::local_has_tls_got_offset): Removed.
14514         (Sized_relobj::local_tls_got_offset): Removed.
14515         (Sized_relobj::set_local_tls_got_offset): Removed.
14516         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
14517         * output.cc (Output_data_got::add_global): Added got_type parameter.
14518         (Output_data_got::add_global_with_rel): Likewise.
14519         (Output_data_got::add_global_with_rela): Likewise.
14520         (Output_data_got::add_global_pair_with_rel): New function.
14521         (Output_data_got::add_global_pair_with_rela): New function.
14522         (Output_data_got::add_local): Added got_type parameter.
14523         (Output_data_got::add_local_with_rel): Likewise.
14524         (Output_data_got::add_local_with_rela): Likewise.
14525         (Output_data_got::add_local_pair_with_rel): New function.
14526         (Output_data_got::add_local_pair_with_rela): New function.
14527         (Output_data_got::add_global_tls): Removed.
14528         (Output_data_got::add_global_tls_with_rel): Removed.
14529         (Output_data_got::add_global_tls_with_rela): Removed.
14530         (Output_data_got::add_local_tls): Removed.
14531         (Output_data_got::add_local_tls_with_rel): Removed.
14532         (Output_data_got::add_local_tls_with_rela): Removed.
14533         * output.h (Output_data_got::add_global): Added got_type parameter.
14534         (Output_data_got::add_global_with_rel): Likewise.
14535         (Output_data_got::add_global_with_rela): Likewise.
14536         (Output_data_got::add_global_pair_with_rel): New function.
14537         (Output_data_got::add_global_pair_with_rela): New function.
14538         (Output_data_got::add_local): Added got_type parameter.
14539         (Output_data_got::add_local_with_rel): Likewise.
14540         (Output_data_got::add_local_with_rela): Likewise.
14541         (Output_data_got::add_local_pair_with_rel): New function.
14542         (Output_data_got::add_local_pair_with_rela): New function.
14543         (Output_data_got::add_global_tls): Removed.
14544         (Output_data_got::add_global_tls_with_rel): Removed.
14545         (Output_data_got::add_global_tls_with_rela): Removed.
14546         (Output_data_got::add_local_tls): Removed.
14547         (Output_data_got::add_local_tls_with_rel): Removed.
14548         (Output_data_got::add_local_tls_with_rela): Removed.
14549         * resolve.cc (Symbol::override_base_with_special): Removed
14550         reference to has_got_offset_ field.
14551         * symtab.cc (Symbol::init_fields): Replaced initialization
14552         of got_offset_ with got_offsets_.  Removed initialization
14553         of has_got_offset_
14554         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
14555         (Symbol::got_offset): Likewise.
14556         (Symbol::set_got_offset): Likewise.
14557         (Symbol::has_tls_got_offset): Removed.
14558         (Symbol::tls_got_offset): Removed.
14559         (Symbol::set_tls_got_offset): Removed.
14560         (Symbol::got_offset_): Removed.
14561         (Symbol::tls_mod_got_offset_): Removed.
14562         (Symbol::tls_pair_got_offset_): Removed.
14563         (Symbol::got_offsets_): New field.
14564         (Symbol::has_got_offset): Removed.
14565         (Symbol::has_tls_mod_got_offset): Removed.
14566         (Symbol::has_tls_pair_got_offset): Removed.
14567         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
14568         (Target_x86_64::Scan::local): Updated callers of Output_data_got
14569         member functions.
14570         (Target_x86_64::Scan::global): Likewise.
14571         (Target_x86_64::Relocate::relocate): Likewise.
14572         (Target_x86_64::Relocate::relocate_tls): Likewise.
14573
14574 2008-03-25  Ben Elliston  <bje@au.ibm.com>
14575
14576         * yyscript.y: Fix spelling error in comment.
14577
14578 2008-03-24  Ian Lance Taylor  <iant@google.com>
14579
14580         * options.h (class General_options): Define build_id option.
14581         * layout.h (class Layout): Declare write_build_id, create_note,
14582         create_build_id.  Add build_id_note_ member.
14583         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
14584         "libiberty.h", "md5.h", "sha1.h".
14585         (Layout::Layout): Initialize eh_frame_data_,
14586         eh_frame_hdr_section_, and build_id_note_.
14587         (Layout::finalize): Call create_build_id.
14588         (Layout::create_note): New function, broken out of
14589         Layout::create_gold_note.
14590         (Layout::create_gold_note): Call create_note.
14591         (Layout::create_build_id): New function.
14592         (Layout::write_build_id): New function.
14593         (Close_task_runner::run): Call write_build_id.
14594
14595         * x86_64.cc: Correct license to GPLv3.
14596
14597 2008-03-23  Ian Lance Taylor  <iant@google.com>
14598
14599         * options.cc: Include "demangle.h".
14600         (parse_optional_string): New function.
14601         (parse_long_option): Handle takes_optional_argument.
14602         (parse_short_option): Update dash_z initializer.  Handle
14603         takes_optional_argument.
14604         (General_options::General_options): Initialize do_demangle_.
14605         (General_options::finalize): Set do_demangle_.  Handle demangling
14606         style.
14607         * options.h (parse_optional_string): Declare.
14608         (struct One_option): Add optional_arg field.  Update constructor.
14609         Update call constructor calls.  Add takes_optional_argument
14610         function.
14611         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
14612         (DEFINE_optional_string): Define.
14613         (General_options::demangle): Change from DEFINE_bool to
14614         DEFINE_optional_string.
14615         (General_options::no_demangle): New function.
14616         (General_options::do_demangle): New function.
14617         (General_options::set_do_demangle): New function.
14618         (General_options::execstack_status_): Move definition to end of
14619         class definition.
14620         (General_options::static_): Likewise.
14621         (General_options::do_demangle_): New field.
14622         * object.cc (big_endian>::get_symbol_location_info): Call
14623         Options::do_demangle, not Options::demangle.
14624         * symtab.cc (demangle): Likewise.
14625
14626 2008-03-22  Ian Lance Taylor  <iant@google.com>
14627
14628         * gold.h: Include <cstddef> and <sys/types.h>
14629         * options.h: Include <cstring>.
14630
14631 2008-03-21  Ian Lance Taylor  <iant@google.com>
14632
14633         * Added source code to GNU binutils.
14634 \f
14635 Copyright (C) 2008-2012 Free Software Foundation, Inc.
14636
14637 Copying and distribution of this file, with or without modification,
14638 are permitted in any medium without royalty provided the copyright
14639 notice and this notice are preserved.
14640
14641 Local Variables:
14642 mode: change-log
14643 left-margin: 8
14644 fill-column: 74
14645 version-control: never
14646 End: