gold/ChangeLog

   1 2012-04-06  Roland McGrath  <mcgrathr@google.com>
   2
   3         * configure.in (AC_CHECK_HEADERS): Add locale.h.
   4         * config.in: Regenerate.
   5         * configure: Regenerate.
   6
   7 2012-04-05  Nick Clifton  <nickc@redhat.com>
   8
   9         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
  10         (AM_LC_MESSAGES): Add.
  11         * aclocal.m4: Regenerate.
  12         * config.in: Regenerate.
  13         * configure: Regenerate.
  14
  15 2012-03-21  Cary Coutant  <ccoutant@google.com>
  16
  17         * Makefile.am: Add gdb-index.cc, gdb-index.h.
  18         * Makefile.in: Regenerate.
  19         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
  20         (Sized_elf_reloc_mapper::symbol_section): New function.
  21         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
  22         (make_elf_reloc_mapper): New function.
  23         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
  24         (Dwarf_abbrev_table::do_read_abbrevs): New function.
  25         (Dwarf_abbrev_table::do_get_abbrev): New function.
  26         (Dwarf_ranges_table::read_ranges_table): New function.
  27         (Dwarf_ranges_table::read_range_list): New function.
  28         (Dwarf_pubnames_table::read_section): New function.
  29         (Dwarf_pubnames_table::read_header): New function.
  30         (Dwarf_pubnames_table::next_name): New function.
  31         (Dwarf_die::Dwarf_die): New function.
  32         (Dwarf_die::read_attributes): New function.
  33         (Dwarf_die::skip_attributes): New function.
  34         (Dwarf_die::set_name): New function.
  35         (Dwarf_die::set_linkage_name): New function.
  36         (Dwarf_die::attribute): New function.
  37         (Dwarf_die::string_attribute): New function.
  38         (Dwarf_die::int_attribute): New function.
  39         (Dwarf_die::uint_attribute): New function.
  40         (Dwarf_die::ref_attribute): New function.
  41         (Dwarf_die::child_offset): New function.
  42         (Dwarf_die::sibling_offset): New function.
  43         (Dwarf_info_reader::check_buffer): New function.
  44         (Dwarf_info_reader::parse): New function.
  45         (Dwarf_info_reader::do_parse): New function.
  46         (Dwarf_info_reader::do_read_string_table): New function.
  47         (Dwarf_info_reader::lookup_reloc): New function.
  48         (Dwarf_info_reader::get_string): New function.
  49         (Dwarf_info_reader::visit_compilation_unit): New function.
  50         (Dwarf_info_reader::visit_type_unit): New function.
  51         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
  52         Sized_elf_reloc_mapper.
  53         (Sized_dwarf_line_info::symbol_section): Remove function.
  54         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
  55         (Sized_dwarf_line_info::read_line_mappings): Remove object
  56         parameter, adjust callers.
  57         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
  58         * dwarf_reader.h: Include <sys/types.h>.
  59         (class Track_relocs): Remove forward declaration.
  60         (class Elf_reloc_mapper): New class.
  61         (class Sized_elf_reloc_mapper): New class.
  62         (class Dwarf_abbrev_table): New class.
  63         (class Dwarf_range_list): New class.
  64         (class Dwarf_ranges_table): New class.
  65         (class Dwarf_pubnames_table): New class.
  66         (class Dwarf_die): New class.
  67         (class Dwarf_info_reader): New class.
  68         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
  69         (Sized_dwarf_line_info::symbol_section): Remove member function.
  70         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
  71         base class.
  72         * gdb-index.cc: New source file.
  73         * gdb-index.h: New source file.
  74         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
  75         and .debug_types sections, call Layout::add_to_gdb_index.
  76         (Sized_relobj_incr::do_section_name): Implement.
  77         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
  78         return type; Implement.
  79         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
  80         return type.
  81         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
  82         parameter list and return type.
  83         (Sized_incr_dynobj::do_section_contents): Likewise.
  84         * layout.cc: Include gdb-index.h.
  85         (Layout::Layout): Initialize gdb_index_data_.
  86         (Layout::init_fixed_output_section): Check for .gdb_index section.
  87         (Layout::add_to_gdb_index): New function. Instantiate.
  88         * layout.h: Add forward declaration for class Gdb_index.
  89         (Layout::add_to_gdb_index): New member function.
  90         (Layout::gdb_index_data_): New data member.
  91         * main.cc: Include gdb-index.h.
  92         (main): Print statistics for gdb index.
  93         * object.cc (Object::section_contents): Move code into
  94         do_section_contents.
  95         (need_decompressed_section): Check for sections needed when building
  96         gdb index.
  97         (build_compressed_section_map): Likewise.
  98         (Sized_relobj_file::do_read_symbols): Need local symbols when building
  99         gdb index.
 100         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
 101         sections; call Layout::add_to_gdb_index.
 102         (Sized_relobj_file::do_decompressed_section_contents): Call
 103         do_section_contents directly.
 104         * object.h (Object::do_section_contents): Adjust parameter list and
 105         return type.
 106         (Object::do_decompressed_section_contents): Call do_section_contents
 107         directly.
 108         (Sized_relobj_file::do_section_contents): Adjust parameter list and
 109         return type.
 110         * options.h (class General_options): Add --gdb-index option.
 111         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
 112         list and return type.
 113         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
 114         * reloc.h (Track_relocs::checkpoint): New function.
 115         (Track_relocs::reset): New function.
 116
 117         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
 118         New test cases.
 119         * testsuite/Makefile.in: Regenerate.
 120         * testsuite/gdb_index_test.cc: New test source file.
 121         * testsuite/gdb_index_test_1.sh: New test source file.
 122         * testsuite/gdb_index_test_2.sh: New test source file.
 123
 124 2012-03-19  Doug Kwan  <dougkwan@google.com>
 125
 126         * arm.cc (Target_arm::do_define_standard_symbols): New method.
 127         (Target_arm::do_finalize_sections): Remove code which defines
 128         __exidx_start and __exidx_end.  Make symbol table parameter
 129         anonymous as it is not used.
 130         * gold.cc (queue_middle_tasks): Call target hook to define any
 131         target-specific symbols.
 132         * target.h (Target::define_standard_symbols): New method.
 133         (Target::do_define_standard_symbols): Same.
 134         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
 135         * testsuite/Makefile.in: Regenerate.
 136         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
 137         and __exidx_end.
 138         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
 139         relocations are generated for __exidx_start and __exidx_end.
 140
 141 2012-03-16  Doug Kwan  <dougkwan@google.com>
 142
 143         * testsuite/Makefile.am: Disable test initpri3b.
 144         * testsuite/Makefile.in: Regenerate.
 145
 146 2012-03-15  Doug Kwan  <dougkwan@google.com>
 147
 148         * arm.cc (Target_arm::got_section): Make .got section read-only
 149         if -z now is given.
 150
 151 2012-03-15  Ian Lance Taylor  <iant@google.com>
 152
 153         PR gold/13850
 154         * layout.cc (Layout::make_output_section): Correctly mark
 155         SHT_INIT_ARRAY, et. al., as relro.
 156
 157 2012-03-14  Doug Kwan  <dougkwan@google.com>
 158
 159         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
 160         dynamic relocations for protected symbols in shared objects.
 161
 162 2012-03-13  Ian Lance Taylor  <iant@google.com>
 163
 164         * resolve.cc (Symbol_table::resolve): When merging common symbols,
 165         keep the larger alignment.
 166
 167 2012-03-12  Cary Coutant  <ccoutant@google.com>
 168
 169         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
 170         handling of DW_LNE_define_file.
 171
 172 2012-03-12  Cary Coutant  <ccoutant@google.com>
 173
 174         * reduced_debug_output.cc
 175         (Output_reduced_debug_info_section::get_die_end): Add new FORM
 176         codes to switch.
 177
 178 2012-02-29  Cary Coutant  <ccoutant@google.com>
 179
 180         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
 181
 182 2012-02-29  Cary Coutant  <ccoutant@google.com>
 183
 184         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 185         Call Object::decompressed_section_contents.
 186         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
 187         New dtor.
 188         (Sized_dwarf_line_info::buffer_start_): New data member.
 189         * merge.cc (Output_merge_data::do_add_input_section): Call
 190         Object::decompressed_section_contents.
 191         (Output_merge_string::do_add_input_section): Likewise.
 192         * object.cc (need_decompressed_section): New function.
 193         (build_compressed_section_map): Decompress sections needed later.
 194         (Sized_relobj_file::do_decompressed_section_contents): New function.
 195         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 196         * object.h (Object::decompressed_section_contents): New function.
 197         (Object::discard_decompressed_sections): New function.
 198         (Object::do_decompressed_section_contents): New function.
 199         (Object::do_discard_decompressed_sections): New function.
 200         (Compressed_section_info): New type.
 201         (Compressed_section_map): Include decompressed section contents.
 202         (Sized_relobj_file::do_decompressed_section_contents): New function.
 203         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 204
 205 2012-02-16  Cary Coutant  <ccoutant@google.com>
 206
 207         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
 208         * testsuite/Makefile.in: Regenerate.
 209
 210 2012-02-14  Cary Coutant  <ccoutant@google.com>
 211
 212         * options.cc (General_options::finalize): Disallow -pie and -static.
 213
 214 2012-02-03  Doug Kwan  <dougkwan@google.com>
 215
 216         * arm.cc (Arm_relocate_functions::abs8,
 217         Arm_relocate_functions::abs16): Use
 218         Bits::has_signed_unsigned_overflow32.
 219         (Arm_relocate_functions::thm_abs8): Correct range of
 220         overflow check.
 221         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
 222         in assertions.
 223
 224 2012-02-02  Doug Kwan  <dougkwan@google.com>
 225
 226         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
 227         position independent outputs, not just shared objects.
 228
 229 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
 230
 231         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
 232         * configure: Regenerated.
 233
 234 2012-01-27  Ian Lance Taylor  <iant@google.com>
 235
 236         * reloc.h (Bits): New class with static functions, copied from
 237         namespace utils in arm.cc.
 238         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
 239         instead.
 240
 241 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 242
 243         * incremental.cc (write_info_blocks): Correct relocation offset.
 244
 245 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 246
 247         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
 248         (Relocate::tls_gd_to_le): Likewise.
 249
 250 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 251
 252         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
 253
 254 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 255
 256         * configure.ac: Check if -mcmodel=medium works.
 257         * configure: Regenerated.
 258
 259 2012-01-24  Cary Coutant  <ccoutant@google.com>
 260
 261         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
 262         definition and ...
 263         (read_unsigned_LEB_128_x): ... this new function.
 264         (read_signed_LEB_128): Replaced with inline definition and ...
 265         (read_signed_LEB_128_x): ... this new function.
 266         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
 267         (read_unsigned_LEB_128): Add inline definition.
 268         (read_signed_LEB_128_x): New function.
 269         (read_signed_LEB_128): Add inline definition.
 270         * testsuite/Makefile.am (leb128_unittest): New unit test.
 271         * testsuite/Makefile.in: Regenerate.
 272         * testsuite/leb128_unittest.cc: New unit test.
 273
 274 2012-01-23  Ian Lance Taylor  <iant@google.com>
 275
 276         PR gold/13617
 277         * i386.cc (Target_i386::do_code_fill): When using a jmp
 278         instruction, pad with nop instructions.
 279         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 280
 281 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 282
 283         * x86_64.cc (gc_process_relocs): Add typename on types used in
 284         template.
 285         (scan_relocs): Likewise.
 286         (relocate_section): Likewise.
 287         (apply_relocation): Likewise.
 288
 289 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
 290
 291         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
 292         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
 293         under x32.
 294
 295 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 296
 297         * x86_64.cc: Initial support for x32.
 298
 299 2012-01-03  Cary Coutant  <ccoutant@google.com>
 300
 301         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
 302         Use abstract base class for GOT.
 303         * gold/output.h (class Output_data_got_base): New abstract base class.
 304         (class Output_data_got): Derive from new base class, adjust ctors.
 305         (Output_data_got::reserve_slot): Make virtual; rename to
 306         do_reserve_slot; Adjust callers.
 307         * gold/target.h (Sized_target::init_got_plt_for_update): Return
 308         pointer to abstract base class.
 309         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
 310
 311 2011-12-18  Ian Lance Taylor  <iant@google.com>
 312
 313         * object.h (Relobj::local_symbol_value): New function.
 314         (Relobj::local_plt_offset): New function.
 315         (Relobj::local_has_got_offset): New function.
 316         (Relobj::local_got_offset): New function.
 317         (Relobj::set_local_got_offset): New function.
 318         (Relobj::do_local_symbol_value): New pure virtual function.
 319         (Relobj::do_local_plt_offset): Likewise.
 320         (Relobj::do_local_has_got_offset): Likewise.
 321         (Relobj::do_local_got_offset): Likewise.
 322         (Relobj::do_set_local_got_offset): Likewise.
 323         (Sized_relobj::do_local_has_got_offset): Rename from
 324         local_has_got_offset.
 325         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
 326         (Sized_relobj::do_set_local_got_offset): Rename from
 327         set_local_got_offset.
 328         (Sized_relobj_file::do_local_plt_offset): Rename from
 329         local_plt_offset.
 330         (Sized_relobj_file::do_local_symbol_value): New function.
 331         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 332         local_plt_offset.
 333         * output.cc (Output_data_got::Got_entry::write): Change object to
 334         Relobj.  Use local_symbol_value.
 335         (Output_data_got::add_global_with_rel): Change rel_dyn to
 336         Output_data_reloc_generic*.  Use add_global_generic.
 337         (Output_data_got::add_global_with_rela): Remove.  Change all
 338         callers to use add_global_with_rel.
 339         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 340         Output_data_reloc_generic*.  Use add_global_generic.
 341         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 342         callers to use add_global_pair_with_rel.
 343         (Output_data_got::add_local): Change object to Relobj*.
 344         (Output_data_got::add_local_plt): Likewise.
 345         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 346         change rel_dyn to Output_data_reloc_generic*.  Use
 347         add_local_generic.
 348         (Output_data_got::add_local_with_rela): Remove.  Change all
 349         callers to use all_local_with_rel.
 350         (Output_data_got::add_local_pair_with_rel): Change object to
 351         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 352         add_output_section_generic.
 353         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 354         callers to use add_local_pair_with_rel.
 355         (Output_data_got::reserve_local): Change object to Relobj*.
 356         * output.h: (class Output_data_reloc_generic): Add pure virtual
 357         declarations for add_global_generic, add_local_generic,
 358         add_output_section_generic.
 359         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 360         functions for Output_data_reloc_generic.  Update declarations for
 361         changes listed in output.cc.
 362         (class Output_data_got): Change template parameter to got_size.
 363         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 364         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 365         function.
 366         (Sized_relobj_incr::do_local_plt_offset): New function.
 367         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 368         add_global_generic.
 369
 370 2011-12-17  Cary Coutant  <ccoutant@google.com>
 371
 372         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 373         * resolve.cc (Symbol_table::resolve): Likewise.
 374         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 375         arrays.
 376         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 377
 378 2011-12-16  Ian Lance Taylor  <iant@google.com>
 379
 380         * output.h (Output_data_reloc_generic::add): Only call
 381         add_dynamic_reloc if this is a dynamic reloc section.
 382
 383 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 384
 385         PR gold/13505
 386         * target-reloc.h (apply_relocation): Replace <64, false> with
 387         <size, big_endian>.
 388
 389 2011-11-25  Nick Clifton  <nickc@redhat.com>
 390
 391         * po/it.po: New Italian translation.
 392
 393 2011-11-17  Sterling Augustine  <saugustine@google.com>
 394
 395         * script.cc (script_include_directive): Implement.
 396         (read_script_file): New local variables name and search_path. Update
 397         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 398         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 399         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 400
 401 2011-11-11  Sterling Augustine  <saugustine@google.com>
 402
 403         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 404         (file_or_sections_cmd): Likewise.
 405
 406 2011-11-11  Doug Kwan  <dougkwan@google.com>
 407
 408         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 409         if --just-symbols is given.
 410
 411 2011-11-10  Doug Kwan  <dougkwan@google.com>
 412
 413         PR gold/13362
 414         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 415         when processing data relocs.
 416         * reloc.h (Relocate_functions::rel_unaligned): New method.
 417         (Relocate_functions::pcrel_unaligned): Ditto.
 418         (Relocate_functions::rel32_unaligned): Ditto.
 419         (Relocate_functions::pcrel32_unaligned): Ditto.
 420
 421 2011-11-09  Doug Kwan  <dougkwan@google.com>
 422
 423         PR gold/13362
 424         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 425         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 426         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 427         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 428         (Relocate_functions::rel_unaligned): New.
 429         (Relocate_functions::rel32_unaligned): New.
 430         * target-reloc.h (relocate_for_relocatable): Add code to handle
 431         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 432         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 433         arm_unaligned_reloc_r): New targets.
 434         * testsuite/Makefile.in: Regenerate.
 435         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 436         linking.
 437
 438 2011-11-02  Ian Lance Taylor  <iant@google.com>
 439
 440         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 441         NATIVE_LINKER.
 442         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 443         * options.cc (General_options::finalize): Use library search path
 444         from configure script if specified.  If not native and no sysroot,
 445         only search TOOLLIBDIR.
 446         * options.h (Search_directory::Search_directory): Change name to
 447         const std::string&.
 448         (General_options::add_to_library_path_with_sysroot): Change arg to
 449         const std::string&.
 450         * configure, Makefile.in, config.in: Rebuild.
 451
 452 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 453
 454         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 455         we are working around the ARM1176 Erratum.
 456         * options.h (General_options::fix_arm1176): Add option.
 457         * testsuite/Makefile.am: Add testcases, and keep current ones
 458         working.
 459         * testsuite/Makefile.in: Regenerate.
 460         * testsuite/arm_fix_1176.s: New file.
 461         * testsuite/arm_fix_1176.sh: Likewise.
 462
 463 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 464
 465         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 466         may_use_blx_.
 467         (Target_arm::may_use_blx): Remove method.
 468         (Target_arm::set_may_use_blx): Likewise.
 469         (Target_arm::may_use_v4t_interworking): New method.
 470         (Target_arm::may_use_v5t_interworking): Likewise.
 471         (Target_arm::may_use_blx_): Remove member variable.
 472         (Arm_relocate_functions::arm_branch_common): Check for v5T
 473         interworking.
 474         (Arm_relocate_functions::thumb_branch_common): Likewise.
 475         (Reloc_stub::stub_type_for_reloc): Likewise.
 476         (Target_arm::do_finalize_sections): Correct interworking checks.
 477         * testsuite/Makefile.am: Add new tests.
 478         * testsuite/Makefile.in: Regenerate.
 479         * testsuite/arm_farcall_arm_arm.s: New test.
 480         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 481         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 482         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 483         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 484         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 485         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 486         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 487
 488 2011-10-31  Cary Coutant  <ccoutant@google.com>
 489
 490         PR gold/13023
 491         * expression.cc (Expression::eval_with_dot): Add
 492         is_section_dot_assignment parameter.
 493         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 494         absolute and assigning to dot within a section.
 495         * script-sections.cc
 496         (Output_section_element_assignment::set_section_addresses): Pass
 497         dot_section to set_if_absolute.
 498         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 499         as is_section_dot_assignment flag to eval_with_dot.
 500         (Output_section_element_dot_assignment::set_section_addresses):
 501         Likewise.
 502         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 503         parameter.  Also set value if relative to dot_section; set the
 504         symbol's output_section.
 505         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 506         parameter.  Adjust all callers.
 507         (Expression::eval_maybe_dot): Likewise.
 508         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 509         Adjust all callers.
 510         * testsuite/script_test_2.t: Test assignment of an absolute value
 511         to dot within an output section element.
 512
 513 2011-10-31  Cary Coutant  <ccoutant@google.com>
 514
 515         * options.h (class General_options): Add --[no-]gnu-unique options.
 516         * symtab.cc (Symbol_table::sized_write_globals): Convert
 517         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 518
 519 2011-10-31  Cary Coutant  <ccoutant@google.com>
 520
 521         PR gold/13359
 522         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 523         unnecessary assertion.
 524         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 525
 526 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 527
 528         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 529         gc_mark_symbol.
 530         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 531         gc_mark_symbol.
 532         Change to just keep the section associated with symbol.
 533         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 534         they are externally visible and --export-dynamic is turned on.
 535         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 536
 537 2011-10-19  Ian Lance Taylor  <iant@google.com>
 538
 539         PR gold/13163
 540         * script-sections.cc
 541         (Output_section_element_dot_assignment::needs_output_section): New
 542         function.
 543
 544 2011-10-19  Ian Lance Taylor  <iant@google.com>
 545
 546         PR gold/13204
 547         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 548         --section-start option was seen.
 549         * options.h (General_options::any_section_start): New function.
 550
 551 2011-10-18  David S. Miller  <davem@davemloft.net>
 552
 553         PR binutils/13301
 554         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 555         member to track relocation locations that have moved during TLS
 556         reloc optimizations.
 557         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 558         (Target_sparc::Relocate::relocate): Adjust view down by 4
 559         bytes if it matches reloc_adjust_addr_.
 560         (Target_sparc::Relocate::relocate_tls): Always move the
 561         __tls_get_addr call delay slot instruction forward 4 bytes when
 562         performing relaxation.
 563
 564 2011-10-18  Cary Coutant  <ccoutant@google.com>
 565
 566         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 567         (Output_file::map_no_anonymous): Check for non-zero
 568         return code from posix_fallocate.
 569
 570 2011-10-17  Cary Coutant  <ccoutant@google.com>
 571
 572         PR gold/13245
 573         * plugin.cc (is_visible_from_outside): Check for symbols
 574         referenced from dynamic objects.
 575         * resolve.cc (Symbol_table::resolve): Don't count references
 576         from dynamic objects as references from real ELF files.
 577         * testsuite/plugin_test_2.sh: Adjust expected result.
 578
 579 2011-10-17  Cary Coutant  <ccoutant@google.com>
 580
 581         * gold.cc: Include timer.h.
 582         (queue_middle_tasks): Stamp time.
 583         (queue_final_tasks): Likewise.
 584         * main.cc (main): Store timer in parameters.  Print timers
 585         for each pass.
 586         * parameters.cc (Parameters::Parameters): Initialize timer_.
 587         (Parameters::set_timer): New function.
 588         (set_parameters_timer): New function.
 589         * parameters.h (Parameters::set_timer): New function.
 590         (Parameters::timer): New function.
 591         (Parameters::timer_): New data member.
 592         (set_parameters_timer): New function.
 593         * timer.cc (Timer::stamp): New function.
 594         (Timer::get_pass_time): New function.
 595         * timer.h (Timer::stamp): New function.
 596         (Timer::get_pass_time): New function.
 597         (Timer::pass_times_): New data member.
 598
 599 2011-10-17  Cary Coutant  <ccoutant@google.com>
 600
 601         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 602         task for members of lib groups.
 603
 604 2011-10-17  Cary Coutant  <ccoutant@google.com>
 605
 606         PR gold/13288
 607         * fileread.cc (File_read::find_view): Add assert.
 608         (File_read::make_view): Move bounds check (replace with assert)...
 609         (File_read::find_or_make_view): ... to here.
 610
 611 2011-10-12  Cary Coutant  <ccoutant@google.com>
 612
 613         * output.cc (Output_file::open_base_file): Handle case where
 614         ::read returns less than requested size.
 615
 616 2011-10-10  Cary Coutant  <ccoutant@google.com>
 617
 618         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 619         Initialize defined_count_.
 620         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 621         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 622         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 623         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 624         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 625         * incremental.h (Sized_relobj_incr::defined_count_): New data
 626         member.
 627         (Sized_incr_dynobj::defined_count_): New data member.
 628         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 629         Return zeroes instead of internal error.
 630
 631 2011-10-10  Cary Coutant  <ccoutant@google.com>
 632
 633         PR gold/13249
 634         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 635         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 636         * output.h (class Output_reloc): Add use_plt_offset flag.
 637         (Output_reloc::type_): Adjust size of bit field.
 638         (Output_reloc::use_plt_offset_): New bit field.
 639         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 640         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 641         flag.  Adjust all callers.
 642         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 643         creating RELATIVE relocations.
 644
 645 2011-10-10  Nick Clifton  <nickc@redhat.com>
 646
 647         * po/es.po: Updated Spanish translation.
 648         * po/fi.po: Updated Finnish translation.
 649
 650 2011-10-03   Diego Novillo  <dnovillo@google.com>
 651
 652         * options.cc (parse_uint): Fix dereference of RETVAL.
 653
 654 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 655
 656         * layout.h (section_order_map_): New member.
 657         (get_section_order_map): New member function.
 658         * output.cc (Output_section::add_input_section): Check for patterns
 659         only when --section-ordering-file is specified.
 660         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 661         output_sections have been formed.
 662         * layout.cc (Layout_Layout): Initialize section_order_map_.
 663         * plugin.cc (update_section_order): Store order in order_map. Do not
 664         update the order.
 665         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 666         * testsuite/Makefile.in: Regenerate.
 667         * testsuite/plugin_section_order.c: New file.
 668         * testsuite/plugin_final_layout.cc: New file.
 669         * testsuite/plugin_final_layout.sh: New file.
 670
 671 2011-09-29  Cary Coutant  <ccoutant@google.com>
 672
 673         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 674         Check for NULL.
 675         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 676         symbols during incremental update.
 677         (Symbol_table::add_from_dynobj): Likewise.
 678
 679 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 680             Ian Lance Taylor  <iant@google.com>
 681
 682         * symtab.cc (Symbol_table::define_special_symbol): Always
 683         canonicalize version string.
 684
 685 2011-09-26  Cary Coutant  <ccoutant@google.com>
 686
 687         * gold.cc (queue_initial_tasks): Move option checks ...
 688         * options.cc (General_options::finalize): ... to here. Disable
 689         some options; make others fatal.
 690
 691 2011-09-26  Cary Coutant  <ccoutant@google.com>
 692
 693         gcc PR lto/47247
 694         * plugin.cc (get_symbols_v2): New function.
 695         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 696         (is_referenced_from_outside): New function.
 697         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 698         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 699         (get_symbols): Pass version parameter.
 700         (get_symbols_v2): New function.
 701         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 702         parameter.
 703         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 704         (onload): Add LDPT_GET_SYMBOLS_V2.
 705         (all_symbols_read_hook): Use get_symbols_v2; check for
 706         LDPR_PREVAILING_DEF_IRONLY_EXP.
 707         * testsuite/plugin_test_3.sh: Update expected results.
 708
 709 2011-09-23  Simon Baldwin  <simonb@google.com>
 710
 711         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 712         configuration options.
 713         * configure: Regenerate.
 714         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 715         * Makefile.in: Regenerate.
 716         * testsuite/Makefile.in: Regenerate.
 717
 718 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 719
 720         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 721
 722 2011-09-19  Cary Coutant  <ccoutant@google.com>
 723
 724         * incremental.cc (can_incremental_update): Fix typo in comment.
 725         * incremental.h (can_incremental_update): Likewise.
 726
 727 2011-09-18  Cary Coutant  <ccoutant@google.com>
 728
 729         * incremental.cc (can_incremental_update): New function.
 730         * incremental.h (can_incremental_update): New function.
 731         * layout.cc (Layout::init_fixed_output_section): Call it.
 732         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 733         * object.cc (Sized_relobj_file::do_layout): Call
 734         can_incremental_update.
 735
 736 2011-09-13  Cary Coutant  <ccoutant@google.com>
 737
 738         * configure.ac: Check for glibc support for gnu_indirect_function
 739         support with static linking, setting automake conditional
 740         IFUNC_STATIC.
 741         * Makefile.in: Regenerate.
 742         * configure: Regenerate.
 743
 744         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 745         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 746         for IFUNC_STATIC.
 747         * testsuite/Makefile.in: Regenerate.
 748
 749 2011-09-13  Cary Coutant  <ccoutant@google.com>
 750
 751         * incremental.cc (Sized_relobj_incr::do_layout): Call
 752         report_comdat_group for kept comdat sections.
 753         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 754         * testsuite/Makefile.in: Regenerate.
 755         * testsuite/incr_comdat_test_1.cc: New source file.
 756         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 757         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 758         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 759
 760 2011-09-13  Ian Lance Taylor  <iant@google.com>
 761
 762         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 763         variable external_symbols_offset.
 764
 765 2011-09-12  Ian Lance Taylor  <iant@google.com>
 766
 767         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 768         triggered if object has no symbols.
 769
 770 2011-09-09  David S. Miller  <davem@davemloft.net>
 771
 772         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 773         (Output_fill_debug_line::do_write): Likewise.
 774
 775 2011-08-29  Cary Coutant  <ccoutant@google.com>
 776
 777         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 778         casts to match formatting specs.
 779         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 780
 781 2011-08-26  Cary Coutant  <ccoutant@google.com>
 782
 783         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 784         remaining hole size when allocating.
 785         (Layout::make_output_section): Set fill methods for debug sections.
 786         * layout.h (Free_list::Free_list_node): Move from private to
 787         public.
 788         (Free_list::set_min_hole_size): New function.
 789         (Free_list::begin, Free_list::end): New functions.
 790         (Free_list::min_hole_): New data member.
 791         * output.cc: Include dwarf.h.
 792         (Output_fill_debug_info::do_minimum_hole_size): New function.
 793         (Output_fill_debug_info::do_write): New function.
 794         (Output_fill_debug_line::do_minimum_hole_size): New function.
 795         (Output_fill_debug_line::do_write): New function.
 796         (Output_section::Output_section): Initialize new data member.
 797         (Output_section::set_final_data_size): Ensure patch space is larger
 798         than minimum hole size.
 799         (Output_section::do_write): Fill holes in debug sections.
 800         * output.h (Output_fill): New class.
 801         (Output_fill_debug_info): New class.
 802         (Output_fill_debug_line): New class.
 803         (Output_section::set_free_space_fill): New function.
 804         (Output_section::free_space_fill_): New data member.
 805         * testsuite/Makefile.am (incremental_test_3): Add
 806         --incremental-patch option.
 807         (incremental_test_4): Likewise.
 808         (incremental_test_5): Likewise.
 809         (incremental_test_6): Likewise.
 810         (incremental_copy_test): Likewise.
 811         (incremental_common_test_1): Likewise.
 812         * testsuite/Makefile.in: Regenerate.
 813
 814 2011-08-26  Nick Clifton  <nickc@redhat.com>
 815
 816         * po/es.po: Updated Spanish translation.
 817
 818 2011-08-01  Cary Coutant  <ccoutant@google.com>
 819
 820         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 821         * gold/testsuite/Makefile.in: Regenerate.
 822         * gold/testsuite/justsyms_exec.c: New source file.
 823         * gold/testsuite/justsyms_lib.c: New source file.
 824
 825 2011-08-01  Cary Coutant  <ccoutant@google.com>
 826
 827         * layout.cc (Layout::set_segment_offsets): Don't realign text
 828         segment if -Ttext was specified.
 829         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 830         file type.
 831         * object.h (Sized_relobj_file::e_type): New function.
 832         (Sized_relobj_file::e_type_): New data member.
 833         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 834         base address for ET_EXEC files.
 835         * target.cc (Target::do_make_elf_object_implementation): Allow
 836         ET_EXEC files with --just-symbols option.
 837
 838 2011-07-28  Cary Coutant  <ccoutant@google.com>
 839
 840         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 841         Add thread_number parameter.
 842         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 843         * workqueue-threads.cc
 844         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 845         current thread if its thread number is greater than desired thread
 846         count.
 847         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 848         Add thread_number parameter.
 849         (Workqueue::should_cancel_thread): Likewise.
 850         (Workqueue::find_runnable_or_wait): Pass thread_number to
 851         should_cancel_thread.
 852         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 853         parameter.
 854
 855 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 856
 857         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 858         only after checking if it cannot be forced local.
 859         * symtab.h (is_externally_visible): Check if the symbol is not forced
 860         local.
 861
 862 2011-07-15  Ian Lance Taylor  <iant@google.com>
 863
 864         * options.h (class General_options): Add --print-output-format.
 865         Move -EL next to -EB, for  better --help output.
 866         * target-select.cc: Include <cstdio>, "options.h", and
 867         "parameters.h".
 868         (Target_selector::do_target_bfd_name): New function.
 869         (print_output_format): New function.
 870         * target-select.h (class Target_selector): Update declarations.
 871         (Target_selector::target_bfd_name): New function.
 872         (print_output_format): Declare.
 873         * main.cc: Include "target-select.h".
 874         (main): Handle --print-output-format.
 875         * gold.cc: Include "target-select.h".
 876         (queue_initial_tasks): Handle --print-output-format when there are
 877         no input files.
 878         * parameters.cc (parameters_force_valid_target): Give a better
 879         error message if -EB/-EL does not match target.
 880         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 881         function.
 882
 883 2011-07-15  Ian Lance Taylor  <iant@google.com>
 884
 885         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 886         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 887         (Output_data_plt_i386::do_write): Write address of .dynamic
 888         section to first entry in .got.plt section.
 889         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 890         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 891         Initialize layout_.
 892         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 893         section to first entry in .got.plt section.
 894         * layout.h (Layout::dynamic_section): New function.
 895
 896 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 897
 898         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 899         to claim_file call.
 900         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 901         input_section_position_, and input_section_glob_.
 902         (read_layout_from_file): Call function section_ordering_specified.
 903         * layout.h (is_section_ordering_specified): New function.
 904         (section_ordering_specified): New function.
 905         (section_ordering_specified_): New boolean member.
 906         * main.cc(main): Call load_plugins after layout object is defined.
 907         * output.cc (Output_section::add_input_section): Use
 908         function section_ordering_specified to check if section ordering is
 909         needed.
 910         * output.cc (Output_section::add_relaxed_input_section): Use
 911         function section_ordering_specified to check if section ordering is
 912         needed.
 913         (Output_section::update_section_layout): New function.
 914         (Output_section::sort_attached_input_sections): Check if input section
 915         must be reordered.
 916         * output.h (Output_section::update_section_layout): New function.
 917         * plugin.cc (get_section_count): New function.
 918         (get_section_type): New function.
 919         (get_section_name): New function.
 920         (get_section_contents): New function.
 921         (update_section_order): New function.
 922         (allow_section_ordering): New function.
 923         (Plugin::load): Add the new interfaces to the transfer vector.
 924         (Plugin_manager::load_plugins): New parameter.
 925         (Plugin_manager::all_symbols_read): New parameter.
 926         (Plugin_manager::claim_file): New parameter. Save the elf object for
 927         unclaimed objects.
 928         (Plugin_manager::get_elf_object): New function.
 929         (Plugin_manager::get_view): Change to directly use the bool to check
 930         if get_view is called from claim_file_hook.
 931         * plugin.h (input_objects): New function
 932         (Plugin__manager::load_plugins): New parameter.
 933         (Plugin_manager::claim_file): New parameter.
 934         (Plugin_manager::get_elf_object): New function.
 935         (Plugin_manager::in_claim_file_handler): New function.
 936         (Plugin_manager::in_claim_file_handler_): New member.
 937         (layout): New function.
 938         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 939         handler with an extra parameter. Make the elf object before calling
 940         claim_file handler.
 941         * testsuite/plugin_test.c (get_section_count): New function pointer.
 942         (get_section_type): New function pointer.
 943         (get_section_name): New function pointer.
 944         (get_section_contents): New function pointer.
 945         (update_section_order): New function pointer.
 946         (allow_section_ordering): New function pointer.
 947         (onload): Check if the new interfaces exist.
 948
 949 2011-07-13  Ian Lance Taylor  <iant@google.com>
 950
 951         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 952         relro section.
 953         * x86_64.cc (Target_x86_64::got_section): Likewise.
 954         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 955         (relro_now_test_SOURCES): New variable.
 956         (relro_now_test_DEPENDENCIES): New variable.
 957         (relro_now_test_LDFLAGS): New variable.
 958         (relro_now_test_LDADD): New variable.
 959         (relro_now_test.so): New target.
 960         * testsuite/Makefile.in: Rebuild.
 961
 962 2011-07-12  Ian Lance Taylor  <iant@google.com>
 963
 964         PR gold/12980
 965         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 966         GLOB_DAT relocation rather than a RELATIVE relocation for a
 967         protected symbol when creating a shared library.
 968         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 969         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 970         * testsuite/protected_main_1.cc (main): Test that protected
 971         function has same address.
 972
 973 2011-07-11  Ian Lance Taylor  <iant@google.com>
 974
 975         PR gold/12979
 976         * options.h (class General_options): Add -Bgroup.
 977         * options.cc (General_options::finalize): If -Bgroup is set,
 978         default to --unresolved-symbols=report-all.
 979         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 980         * target-reloc.h (issue_undefined_symbol_error): Handle
 981         --unresolved-symbols=report-all.
 982
 983 2011-07-08  Ian Lance Taylor  <iant@google.com>
 984
 985         PR gold/11985
 986         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 987         if linker script discards key sections.
 988         (Layout::create_dynamic_symtab): Likewise.
 989         (Layout::assign_local_dynsym_offsets): Likewise.
 990         (Layout::sized_create_version_sections): Likewise.
 991         (Layout::create_interp): Likewise.
 992         (Layout::finish_dynamic_section): Likewise.
 993         (Layout::set_dynamic_symbol_size): Likewise.
 994
 995 2011-07-08  Ian Lance Taylor  <iant@google.com>
 996
 997         PR gold/12386
 998         * options.h (class General_options): Add --unresolved-symbols.
 999         * target-reloc.h (issue_undefined_symbol_error): Check
1000         --unresolved-symbols.  Add comments.
1001
1002 2011-07-08  Ian Lance Taylor  <iant@google.com>
1003
1004         * testsuite/odr_violation2.cc (Ordering::operator()): Make
1005         expression more complex.
1006
1007 2011-07-08  Ian Lance Taylor  <iant@google.com>
1008
1009         PR gold/11317
1010         * target-reloc.h (issue_undefined_symbol_error): New inline
1011         function, broken out of relocate_section.
1012         (relocate_section): Call issue_undefined_symbol_error.
1013         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1014         there is no TLS segment if we are about to issue an undefined
1015         symbol error.
1016         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1017
1018 2011-07-08  Ian Lance Taylor  <iant@google.com>
1019
1020         PR gold/12279
1021         * resolve.cc (Symbol_table::should_override): Add fromtype
1022         parameter.  Change all callers.  Give error when linking together
1023         TLS and non-TLS symbol.
1024         (Symbol_table::should_override_with_special): Add fromtype
1025         parameter.  Change all callers.
1026         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1027         there is no TLS segment if we have reported some errors.
1028         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1029
1030 2011-07-08  Ian Lance Taylor  <iant@google.com>
1031
1032         PR gold/12372
1033         * target.h (Target::plt_address_for_global): New function.
1034         (Target::plt_address_for_local): New function.
1035         (Target::plt_section_for_global): Remove.
1036         (Target::plt_section_for_local): Remove.
1037         (Target::do_plt_address_for_global): New virtual function.
1038         (Target::do_plt_address_for_local): New virtual function.
1039         (Target::do_plt_section_for_global): Remove.
1040         (Target::do_plt_section_for_local): Remove.
1041         (Target::register_global_plt_entry): Add Symbol_table and Layout
1042         parameters.
1043         * output.cc (Output_data_got::Got_entry::write): Use
1044         plt_address_for_global and plt_address_for_local.
1045         * layout.cc (Layout::add_target_dynamic_tags): Use size and
1046         address of output section.
1047         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
1048         got_irelative_, and irelative_count_ fields.  Update
1049         declarations.
1050         (Output_data_plt_i386::has_irelative_section): New function.
1051         (Output_data_plt_i386::entry_count): Add irelative_count_.
1052         (Output_data_plt_i386::set_final_data_size): Likewise.
1053         (class Target_i386): Add got_irelative_ and rel_irelative_
1054         fields.  Update declarations.
1055         (Target_i386::Target_i386): Initialize new fields.
1056         (Target_i386::do_plt_address_for_global): New function replacing
1057         do_plt_section_for_global.
1058         (Target_i386::do_plt_address_for_local): New function replacing
1059         do_plt_section_for_local.
1060         (Target_i386::got_section): Create got_irelative_.
1061         (Target_i386::rel_irelative_section): New function.
1062         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
1063         fields.  Don't define __rel_iplt_{start,end}.
1064         (Output_data_plt_i386::add_entry): Add symtab and layout
1065         parameters.  Change all callers.  Use different PLT and GOT for
1066         IFUNC symbols.
1067         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
1068         layout parameters.  Change all callers.  Use different PLT and
1069         GOT.
1070         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
1071         (Output_data_plt_i386::rel_irelative): New function.
1072         (Output_data_plt_i386::address_for_global): New function.
1073         (Output_data_plt_i386::address_for_local): New function.
1074         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
1075         IRELATIVE GOT when changing IFUNC GOT entries.
1076         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
1077         reloc.
1078         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
1079         if we didn't create an IRELATIVE GOT.
1080         (Target_i386::Relocate::relocate): Use plt_address_for_global and
1081         plt_address_for_local.
1082         (Target_i386::do_dynsym_value): Use plt_address_for_global.
1083         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
1084         got_irelative_, and irelative_count_ fields.  Update
1085         declarations.
1086         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1087         Initialize new fields.  Remove symtab parameter.  Change all
1088         callers.
1089         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
1090         irelative_count_.
1091         (Output_data_plt_x86_64::has_irelative_section): New function.
1092         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
1093         (class Target_x86_64): Add got_irelative_ and rel_irelative_
1094         fields.  Update declarations.
1095         (Target_x86_64::Target_x86_64): Initialize new fields.
1096         (Target_x86_64::do_plt_address_for_global): New function replacing
1097         do_plt_section_for_global.
1098         (Target_x86_64::do_plt_address_for_local): New function replacing
1099         do_plt_section_for_local.
1100         (Target_x86_64::got_section): Create got_irelative_.
1101         (Target_x86_64::rela_irelative_section): New function.
1102         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
1103         all callers.  Don't create __rel_iplt_{start,end}.
1104         (Output_data_plt_x86_64::add_entry): Add symtab and layout
1105         parameters.  Change all callers.  Use different PLT and GOT for
1106         IFUNC symbols.
1107         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
1108         layout parameters.  Change all callers.  Use different PLT and
1109         GOT.
1110         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
1111         parameters.  Change all callers.  Use different PLT and GOT for
1112         IFUNC symbols.
1113         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
1114         (Output_data_plt_x86_64::rela_irelative): New function.
1115         (Output_data_plt_x86_64::address_for_global): New function.
1116         (Output_data_plt_x86_64::address_for_local): New function.
1117         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1118         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
1119         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
1120         (Target_x86_64::register_global_plt_entry): Add symtab and layout
1121         parameters.
1122         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
1123         reloc.
1124         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
1125         symbols if we didn't create an IRELATIVE GOT.
1126         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
1127         plt_address_for_local.
1128         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
1129         * testsuite/ifuncvar1.c: New test file.
1130         * testsuite/ifuncvar2.c: New test file.
1131         * testsuite/ifuncvar3.c: New test file.
1132         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
1133         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
1134         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
1135         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
1136         * testsuite/Makefile.in: Rebuild.
1137
1138 2011-07-07  Cary Coutant  <ccoutant@google.com>
1139
1140         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
1141         (two_file_test_1_ndebug.o): Likewise.
1142         (two_file_test_1b_ndebug.o): Likewise.
1143         (two_file_test_2_ndebug.o): Likewise.
1144         (two_file_test_main_ndebug.o): Likewise.
1145         (incremental_test_2): Link with no-debug versions.
1146
1147 2011-07-06  Cary Coutant  <ccoutant@google.com>
1148
1149         * gold/incremental.cc
1150         (Output_section_incremental_inputs::write_info_blocks): Check for
1151         hidden and internal symbols.
1152
1153 2011-07-06  Cary Coutant  <ccoutant@google.com>
1154
1155         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
1156         Check disposition for startup file.
1157         (Incremental_inputs::report_command_line): Ignore
1158         --incremental-startup-unchanged option.
1159         * options.cc (General_options::parse_incremental_startup_unchanged):
1160         New function.
1161         (General_options::General_options): Initialize new data member.
1162         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
1163         (General_options): Add --incremental-startup-unchanged option.
1164         (General_options::incremental_startup_disposition): New function.
1165         (General_options::incremental_startup_disposition_): New data member.
1166
1167 2011-07-06  Cary Coutant  <ccoutant@google.com>
1168
1169         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1170         input file index to Script_info ctor.
1171         (Sized_incremental_binary::do_file_has_changed): Find the
1172         command-line argument for files named in scripts.
1173         * incremental.h (Script_info::Script_info): New ctor
1174         with input file index.
1175         (Script_info::input_file_index): New function.
1176         (Script_info::input_file_index_): New data member.
1177         (Incremental_binary::get_library): Add const.
1178         (Incremental_binary::get_script_info): Add const.
1179         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1180         * testsuite/Makefile.am (incremental_test_5): New test case.
1181         (incremental_test_6): New test case.
1182         * testsuite/Makefile.in: Regenerate.
1183
1184 2011-07-06  Cary Coutant  <ccoutant@google.com>
1185
1186         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1187         debug output when command lines differ.
1188
1189 2011-07-06  Cary Coutant  <ccoutant@google.com>
1190
1191         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1192         --incremental-patch option.
1193         * layout.cc (Free_list::allocate): Extend allocation beyond original
1194         end if enabled.
1195         (Layout::make_output_section): Mark sections that should get
1196         patch space.
1197         * options.cc (parse_percent): New function.
1198         * options.h (parse_percent): New function.
1199         (DEFINE_percent): New macro.
1200         (General_options): Add --incremental-patch option.
1201         * output.cc (Output_section::Output_section): Initialize new data
1202         members.
1203         (Output_section::add_input_section): Print section name when out
1204         of patch space.
1205         (Output_section::add_output_section_data): Likewise.
1206         (Output_section::set_final_data_size): Add patch space when
1207         doing --incremental-full.
1208         (Output_section::do_reset_address_and_file_offset): Remove patch
1209         space.
1210         (Output_segment::set_section_list_addresses): Print debug output
1211         only if --incremental-update.
1212         * output.h (Output_section::set_is_patch_space_allowed): New function.
1213         (Output_section::is_patch_space_allowed_): New data member.
1214         (Output_section::patch_space_): New data member.
1215         * parameters.cc (Parameters::incremental_full): New function.
1216         * parameters.h (Parameters::incremental_full): New function
1217         * testsuite/Makefile.am (incremental_test_2): Add test for
1218         --incremental-patch option.
1219         * testsuite/Makefile.in: Regenerate.
1220         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1221         (t18): Remove function body.
1222
1223 2011-07-05  Doug Kwan  <dougkwan@google.com>
1224
1225         PR gold/12771
1226         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1227         Arm_Address type for relocation result.
1228         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1229         overflow check.
1230         (Arm_relocate_functions::abs32): Use unaligned access.
1231         (Arm_relocate_functions::rel32): Ditto.
1232         (Arm_relocate_functions::prel31): Ditto.
1233         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1234         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1235         static data relocations.
1236         * testsuite/Makefile.in: Regnerate.
1237         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1238
1239 2011-07-05  Ian Lance Taylor  <iant@google.com>
1240
1241         PR gold/12392
1242         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1243         symbols if necessary.
1244         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1245
1246 2011-07-05  Ian Lance Taylor  <iant@google.com>
1247
1248         PR gold/12952
1249         * resolve.cc (Symbol::override_base_with_special): Simply override
1250         version with special symbol version, ignoring previous version.
1251
1252 2011-07-05  Ian Lance Taylor  <iant@google.com>
1253
1254         * object.cc (Sized_relobj_file::include_section_group): Add
1255         information to comment about signature location.
1256
1257 2011-07-02  Ian Lance Taylor  <iant@google.com>
1258
1259         PR gold/12957
1260         * options.h (class General_options): Add -f and -F.
1261         * options.cc (General_options::finalize): Fatal error if -f/-F
1262         are used without -shared.
1263         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1264
1265 2011-07-02  Ian Lance Taylor  <iant@google.com>
1266
1267         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1268
1269 2011-07-01  Ian Lance Taylor  <iant@google.com>
1270
1271         PR gold/12525
1272         PR gold/12952
1273         * resolve.cc (Symbol::override_base_with_special): Don't override
1274         the version if the overriding symbol has a different name.
1275         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1276         all callers.  If we give an error about an undefined version,
1277         define the base version if necessary.
1278         * dynobj.h (class Versions): Update declaration.
1279         * testsuite/weak_alias_test_5.cc: New file.
1280         * testsuite/weak_alias_test.script: New file.
1281         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1282         and versioned_alias have the right value, and call t2.
1283         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1284         weak_alias_test_5.so.
1285         (weak_alias_test_LDADD): Likewise.
1286         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1287         * testsuite/Makefile.in: Rebuild.
1288
1289 2011-07-01  Ian Lance Taylor  <iant@google.com>
1290
1291         PR gold/12525
1292         * options.h (class General_options): Support -z notext.
1293         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1294         -Wl,-z,notext.
1295         (two_file_shared_nonpic.so): Likewise.
1296         (two_file_shared_mixed.so): Likewise.
1297         (two_file_shared_mixed_1.so): Likewise.
1298         (weak_undef_lib_nonpic.so): Likewise.
1299         (alt/weak_undef_lib_nonpic.so): Likewise.
1300         (tls_test_shared_nonpic.so): Likewise.
1301         * testsuite/Makefile.in: Rebuild.
1302
1303 2011-07-01  Ian Lance Taylor  <iant@google.com>
1304
1305         PR gold/12525
1306         * configure.ac: Test whether static linking works, setting
1307         the automake conditional HAVE_STATIC.
1308         * testsuite/Makefile.am: Disable tests using -static if
1309         HAVE_STATIC is not true.
1310         * configure, testsuite/Makefile.in: Rebuild.
1311
1312 2011-07-01  Ian Lance Taylor  <iant@google.com>
1313
1314         PR gold/12525
1315         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1316         Assert if we see DW_EH_PE_indirect.
1317         * target.h (Target::ehframe_datarel_base): New function.
1318         (Target::do_ehframe_datarel_base): New target function.
1319         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1320         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1321         function.
1322
1323 2011-07-01  Ian Lance Taylor  <iant@google.com>
1324
1325         PR gold/12571
1326         * options.h (class General_options): Add
1327         --ld-generated-unwind-info.
1328         * ehframe.cc (Fde::write): Add address parameter.  Change all
1329         callers.  If associated with PLT, fill in address and size.
1330         (Cie::set_output_offset): Only add merge mapping if there is an
1331         object.
1332         (Cie::write): Add address parameter.  Change all callers.
1333         (Eh_frame::add_ehframe_for_plt): New function.
1334         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1335         input_offset_ fields into union u_, with new plt field.
1336         (Fde::Fde): Adjust for new union field.
1337         (Fde::Fde) [Output_data version]: New constructor.
1338         (Fde::add_mapping): Only add merge mapping if there is an object.
1339         (class Cie): Update declarations.
1340         (class Eh_frame): Declare add_ehframe_for_plt.
1341         * layout.cc (Layout::layout_eh_frame): Break out code into
1342         make_eh_frame_section, and call it.
1343         (Layout::make_eh_frame_section): New function.
1344         (Layout::add_eh_frame_for_plt): New function.
1345         * layout.h (class Layout): Update declarations.
1346         * merge.cc (Merge_map::add_mapping): Add assertion.
1347         * i386.cc: Include "dwarf.h".
1348         (class Output_data_plt_i386): Make first_plt_entry,
1349         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1350         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1351         and plt_eh_frame_fde.
1352         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1353         boundary.  Call add_eh_frame_for_plt if appropriate.
1354         * x86_64.cc: Include "dwarf.h".
1355         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1356         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1357         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1358         and plt_eh_frame_fde.
1359         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1360         appropriate.
1361
1362 2011-06-29  Ian Lance Taylor  <iant@google.com>
1363
1364         PR gold/12629
1365         * object.cc (Sized_relobj_file::layout_section): Change shdr
1366         parameter to be const.
1367         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1368         out of do_layout.
1369         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1370         appropriate.  Call layout_eh_frame_section.
1371         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1372         sections.
1373         * object.h (class Sized_relobj_file): Update declarations.
1374
1375 2011-06-29  Ian Lance Taylor  <iant@google.com>
1376
1377         PR gold/12652
1378         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1379         modifier.
1380         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1381
1382 2011-06-29  Ian Lance Taylor  <iant@google.com>
1383
1384         PR gold/12675
1385         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1386         SHT_X86_64_UNWIND.
1387         * layout.cc (Layout::layout_eh_frame): Likewise.
1388
1389 2011-06-29  Ian Lance Taylor  <iant@google.com>
1390
1391         PR gold/12695
1392         * layout.cc (Layout::symtab_section_shndx): New function.
1393         * layout.h (class Layout): Declare symtab_section_shndx.
1394         * output.cc (Output_section::write_header): Call it.
1395
1396 2011-06-29  Ian Lance Taylor  <iant@google.com>
1397
1398         PR gold/12818
1399         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1400         symbols which are not used in a relocation.
1401
1402 2011-06-28  Ian Lance Taylor  <iant@google.com>
1403
1404         PR gold/12898
1405         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1406         script create indistinguishable segments.
1407         (Layout::set_segment_offsets): Use stable_sort when sorting
1408         segments.  Pass this to Compare_segments constructor.
1409         * layout.h (class Layout): Make segment_precedes non-static.
1410         (class Compare_segments): Change from struct to class.  Add
1411         layout_ field.  Add constructor.
1412         * script-sections.cc
1413         (Script_sections::attach_sections_using_phdrs_clause): Rename
1414         local orphan to is_orphan.  Don't report failure to put empty
1415         section in segment.  On attachment failure, report name of
1416         section, and attach to first PT_LOAD segment.
1417
1418 2011-06-28  Ian Lance Taylor  <iant@google.com>
1419
1420         PR gold/12934
1421         * target-select.cc (Target_selector::Target_selector): Add
1422         emulation parameter.  Change all callers.
1423         (select_target_by_bfd_name): Rename from select_target_by_name.
1424         Change all callers.
1425         (select_target_by_emulation): New function.
1426         (supported_emulation_names): New function.
1427         * target-select.h (class Target_selector): Add emulation_ field.
1428         Update declarations.
1429         (Target_selector::recognize_by_bfd_name): Rename from
1430         recognize_by_name.  Change all callers.
1431         (Target_selector::supported_bfd_names): Rename from
1432         supported_names.  Change all callers.
1433         (Target_selector::recognize_by_emulation): New function.
1434         (Target_selector::supported_emulations): New function.
1435         (Target_selector::emulation): New function.
1436         (Target_selector::do_recognize_by_bfd_name): Rename from
1437         do_recognize_by_name.  Change all callers.
1438         (Target_selector::do_supported_bfd_names): Rename from
1439         do_supported_names.  Change all callers.
1440         (Target_selector::do_recognize_by_emulation): New function.
1441         (Target_selector::do_supported_emulations): New function.
1442         (select_target_by_bfd_name): Change name in declaration.
1443         (select_target_by_emulation): Declare.
1444         (supported_emulation_names): Declare.
1445         * parameters.cc (parameters_force_valid_target): Try to find
1446         target based on emulation from -m option.
1447         * options.h (class General_options): Change doc string for -m.
1448         * options.cc (help): Print emulations.
1449         (General_options::parse_V): Likewise.
1450         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1451         Add emulation parameter.  Change all callers.
1452
1453 2011-06-28  Ian Lance Taylor  <iant@google.com>
1454
1455         * target.h (class Target): Add osabi_ field.
1456         (Target::osabi): New function.
1457         (Target::set_osabi): New function.
1458         (Target::Target): Initialize osabi_.
1459         (Target::do_adjust_elf_header): Make pure virtual.
1460         (Sized_target::do_adjust_elf_header): Declare.
1461         * target.cc (Sized_target::do_adjust_elf_header): New function.
1462         (class Sized_target): Instantiate all versions.
1463         * freebsd.h (class Target_freebsd): Remove.
1464         (Target_selector_freebsd::do_recognize): Call set_osabi on
1465         Target.
1466         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1467         (Target_selector_freebsd::set_osabi): Remove.
1468         * i386.cc (class Target_i386): Inherit from Sized_target rather
1469         than Target_freebsd.
1470         * x86_64.cc (class Target_x86_64): Likewise.
1471
1472 2011-06-28  Ian Lance Taylor  <iant@google.com>
1473
1474         * target.h (Target::can_check_for_function_pointers): Rewrite.
1475         Make non-virtual.
1476         (Target::can_icf_inline_merge_sections): Likewise.
1477         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1478         (Target::Target_info): Add can_icf_inline_merge_sections field.
1479         (Target::do_can_check_for_function_pointers): New virtual
1480         function.
1481         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1482         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1483         from can_check_for_function_pointers, move in file.
1484         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1485         section_may_have_icf_unsafe_poineters, move in file.
1486         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1487         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1488         Rename from can_check_for_function_pointers, move in file.
1489         (Target_i386::can_icf_inline_merge_sections): Remove.
1490         (Target_i386::i386_info): Initialize
1491         can_icf_inline_merge_sections.
1492         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1493         Initialize can_icf_inline_merge_sections.
1494         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1495         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1496         Rename from can_check_for_function_pointers, move in file.
1497         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1498         (Target_x86_64::x86_64_info): Initialize
1499         can_icf_inline_merge_sections.
1500         * testsuite/testfile.cc (Target_test::test_target_info):
1501         Likewise.
1502         * icf.cc (get_section_contents): Correct formatting.
1503
1504 2011-06-27  Ian Lance Taylor  <iant@google.com>
1505
1506         * symtab.cc (Symbol::versioned_name): New function.
1507         (Symbol_table::add_to_final_symtab): Use versioned_name when
1508         appropriate.
1509         (Symbol_table::sized_write_symbol): Likewise.
1510         * symtab.h (class Symbol): Declare versioned_name.
1511         * stringpool.h (class Stringpool_template): Add variant of add
1512         which takes a std::basic_string.
1513         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1514         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1515         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1516         (ver_test_12.o): New target.
1517         * testsuite/Makefile.in: Rebuild.
1518
1519 2011-06-27  Doug Kwan  <dougkwan@google.com>
1520
1521         * arm.cc (Arm_relocate_functions::thm_jump8,
1522         Arm_relocate_functions::thm_jump11): Use a wider signed
1523         type to compute offset.
1524         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1525         arm_thm_jump8.
1526         * testsuite/Makefile.in: Regenerate.
1527         * testsuite/arm_branch_in_range.sh: Check test results of
1528         arm_thm_jump11 and arm_thm_jump8.
1529         * testsuite/arm_thm_jump11.s: New test source file.
1530         * testsuite/arm_thm_jump11.t: New linker script.
1531         * testsuite/arm_thm_jump8.s: New test source file.
1532         * testsuite/arm_thm_jump8.t: New linker script.
1533
1534 2011-06-24  Ian Lance Taylor  <iant@google.com>
1535
1536         * layout.cc: Include "object.h".
1537         (ctors_sections_in_init_array): New static variable.
1538         (Layout::is_ctors_in_init_array): New function.
1539         (Layout::layout): Add entry to ctors_sections_in_init_array if
1540         appropriate.
1541         * layout.h (class Layout): Declare is_ctors_in_init_array.
1542         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1543         is_ctors_reverse_view is set.
1544         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1545         all callers.  Set is_ctors_reverse_view field of View_size.
1546         (Sized_relobj_file::reverse_words): New function.
1547         * object.h (Sized_relobj_file::View_size): Add
1548         is_ctors_reverse_view field.
1549         (class Sized_relobj_file): Update declarations.
1550         * testsuite/initpri3.c: New test.
1551         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1552         initpri3b.
1553         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1554         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1555         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1556         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1557         * testsuite/Makefile.in: Rebuild.
1558
1559 2011-06-24  Cary Coutant  <ccoutant@google.com>
1560
1561         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1562         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1563         (debug_msg_cdebug.err): New targets.
1564         * testsuite/Makefile.in: Regenerate.
1565         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1566         Fix checks for link with shared library.
1567
1568 2011-06-24  Doug Kwan  <dougkwan@google.com>
1569
1570         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1571         skip empty text sections.
1572         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1573
1574 2011-06-22  Ian Lance Taylor  <iant@google.com>
1575
1576         PR gold/12910
1577         * options.h (class General_options): Add --ctors-in-init-array.
1578         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1579         friends as SHT_PROGBITS for merging sections.
1580         (Layout::layout): Remove special handling of .init_array and
1581         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1582         and .dtors if ctors_in_init_array.
1583         (Layout::make_output_section): Force correct section types for
1584         .init_array and friends.  Don't sort if doing relocatable link,
1585         Don't sort .ctors and .dtors if ctors_in_init_array.
1586         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1587         (Layout::output_section_name): Add relobj parameter.  Change all
1588         callers.  Handle .ctors. and .dtors. in code rather than table.
1589         Handle .ctors and .dtors if ctors_in_init_array.
1590         (Layout::match_file_name): New function, moved from output.cc.
1591         * layout.h (class Layout): Update declarations.
1592         * output.cc: Include "layout.h".
1593         (Input_section_sort_entry::get_priority): New function.
1594         (Input_section_sort_entry::match_file_name): Just call
1595         Layout::match_file_name.
1596         (Output_section::Input_section_sort_init_fini_compare::operator()):
1597         Handle .ctors and .dtors.  Sort by explicit priority rather than
1598         by name.
1599         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1600         * testsuite/initpri2.c: New test.
1601         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1602         (check_PROGRAMS): Add initpri2.
1603         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1604         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1605         * configure, testsuite/Makefile.in: Rebuild.
1606
1607 2011-06-19  Ian Lance Taylor  <iant@google.com>
1608
1609         PR gold/12880
1610         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1611         .interp section to a PT_INTERP segment even if we have seen a
1612         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1613         clause in a linker script.
1614         (Layout::finalize): Don't create a .interp section if we've
1615         already create a PT_INTERP segment.
1616         (Layout::create_interp): Always call choose_output_section (revert
1617         patch of 2011-06-17).  Don't create PT_INTERP segment.
1618         * script-sections.cc
1619         (Script_sections::create_note_and_tls_segments): Add a .interp
1620         section to a PT_INTERP segment even if we have seen a
1621         --dynamic-linker option.
1622
1623 2011-06-18  Ian Lance Taylor  <iant@google.com>
1624
1625         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1626         merely because a non-PT_LOAD segment has a dynamic reloc.
1627
1628 2011-06-18  Ian Lance Taylor  <iant@google.com>
1629
1630         * layout.cc (Layout::finish_dynamic_section): Don't create
1631         DT_FLAGS entry if not needed.
1632
1633 2011-06-18  Ian Lance Taylor  <iant@google.com>
1634
1635         PR gold/12745
1636         * layout.cc (Layout::layout_eh_frame): Correct handling of
1637         writable .eh_frame section.
1638
1639 2011-06-17  Ian Lance Taylor  <iant@google.com>
1640
1641         PR gold/12893
1642         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1643         symbol is redefined with the exact same object and value.
1644
1645 2011-06-17  Ian Lance Taylor  <iant@google.com>
1646
1647         PR gold/12880
1648         * layout.h (class Layout): Add interp_segment_ field.
1649         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1650         (Layout::attach_allocated_section_to_segment): If making shared
1651         library, put .interp section in PT_INTERP segment.
1652         (Layout::finalize): Also call create_interp if -dynamic-linker
1653         option was used.
1654         (Layout::create_interp): Assert that there is no PT_INTERP
1655         segment.  If not using a SECTIONS clause, use make_output_section.
1656         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1657         * script-sections.cc
1658         (Script_sections::create_note_and_tls_segments): If making shared
1659         library, put .interp section in PT_INTERP segment.
1660
1661 2011-06-17  Ian Lance Taylor  <iant@google.com>
1662
1663         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1664         when making a shared library.
1665
1666 2011-06-17  Ian Lance Taylor  <iant@google.com>
1667
1668         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1669         parameter.  Change all callers.  Don't issue warning about PC32
1670         against locally defined symbol.
1671
1672 2011-06-16  Ian Lance Taylor  <iant@google.com>
1673
1674         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1675         occurs in same object.
1676
1677 2011-06-14  Alan Modra  <amodra@gmail.com>
1678
1679         * po/POTFILES.in: Regenerate.
1680
1681 2011-06-09  Ian Lance Taylor  <iant@google.com>
1682
1683         * script-sections.cc
1684         (Orphan_output_section::set_section_addresses): For a relocatable
1685         link set address to 0.
1686
1687 2011-06-09  Cary Coutant  <ccoutant@google.com>
1688
1689         PR gold/12804
1690         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1691         used with --compress-debug-sections.
1692         * gold/object.cc (Sized_relobj_file::do_layout): Report
1693         uncompressed size of compressed input sections.
1694
1695 2011-06-08  Cary Coutant  <ccoutant@google.com>
1696
1697         PR gold/12804
1698         * testsuite/two_file_test_2_v1.cc: Change initialization of
1699         v2 to keep it in .data.
1700
1701 2011-06-07  Cary Coutant  <ccoutant@google.com>
1702
1703         * common.cc (Symbol_table::do_allocate_commons_list): Call
1704         gold_fallback.
1705         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1706         (Errors::fallback): New function.
1707         (gold_fallback): New function.
1708         * errors.h (Errors::fallback): New function.
1709         * gold.cc (gold_exit): Change status parameter to enum; adjust
1710         all callers.
1711         (queue_initial_tasks): Call gold_fallback.
1712         * gold.h: Include cstdlib.
1713         (Exit_status): New enum type.
1714         (gold_exit): Change status parameter to enum.
1715         (gold_fallback): New function.
1716         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1717         (Layout::create_symtab_sections): Likewise.
1718         (Layout::create_shdrs): Likewise.
1719         * main.cc (main): Adjust call to gold_exit.
1720         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1721         (Output_data_got::add_got_entry_pair): Likewise.
1722         (Output_section::add_input_section): Likewise.
1723         (Output_section::add_output_section_data): Likewise.
1724         (Output_segment::set_section_list_addresses): Likewise.
1725         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1726
1727 2011-06-07  Cary Coutant  <ccoutant@google.com>
1728
1729         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1730         for incremental links.
1731         * output.cc (Output_segment::set_section_list_addresses): Remove
1732         FIXME and test for TLS or BSS.
1733
1734 2011-06-07  Cary Coutant  <ccoutant@google.com>
1735
1736         * testsuite/Makefile.am: Add incremental_copy_test,
1737         incremental_common_test_1.
1738         * testsuite/Makefile.in: Regenerate.
1739         * testsuite/common_test_1_v1.c: New source file.
1740         * testsuite/common_test_1_v2.c: New source file.
1741         * testsuite/copy_test_v1.cc: New source file.
1742
1743 2011-06-07  Cary Coutant  <ccoutant@google.com>
1744
1745         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1746         update, allocate common from bss section's free list.
1747         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1748         linker-defined symbols.
1749         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1750         Skip GOT and PLT entries that are no longer referenced.
1751         (Output_section_incremental_inputs::write_info_blocks): Mark
1752         linker-defined symbols.
1753         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1754         * output.cc (Output_section::allocate): New function.
1755         * output.h (Output_section::allocate): New function.
1756         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1757         linker-defined symbols.
1758         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1759         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1760         (Symbol::init_base_output_data): Likewise.
1761         (Symbol::init_base_output_segment): Likewise.
1762         (Symbol::init_base_constant): Likewise.
1763         (Sized_symbol::init_output_data): Likewise.
1764         (Sized_symbol::init_output_segment): Likewise.
1765         (Sized_symbol::init_constant): Likewise.
1766         (Symbol_table::do_define_in_output_data): Likewise.
1767         (Symbol_table::do_define_in_output_segment): Likewise.
1768         (Symbol_table::do_define_as_constant): Likewise.
1769         * symtab.h (Symbol::is_predefined): New function.
1770         (Symbol::init_base_output_data): Add is_predefined parameter.
1771         (Symbol::init_base_output_segment): Likewise.
1772         (Symbol::init_base_constant): Likewise.
1773         (Symbol::is_predefined_): New data member.
1774         (Sized_symbol::init_output_data): Add is_predefined parameter.
1775         (Sized_symbol::init_output_segment): Likewise.
1776         (Sized_symbol::init_constant): Likewise.
1777         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1778
1779 2011-06-07  Cary Coutant  <ccoutant@google.com>
1780
1781         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1782         instead of emit_copy_reloc.
1783         (Copy_relocs::emit_copy_reloc): Refactor.
1784         (Copy_relocs::make_copy_reloc): New function.
1785         (Copy_relocs::add_copy_reloc): Remove.
1786         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1787         section.
1788         (Copy_relocs::make_copy_reloc): New function.
1789         (Copy_relocs::add_copy_reloc): Remove.
1790         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1791         unchanged input files.
1792         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1793         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1794         Reserve BSS space for COPY relocations.
1795         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1796         (Output_section_incremental_inputs::write_info_blocks): Record
1797         whether a symbol is copied from a shared object.
1798         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1799         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1800         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1801         (Incremental_input_entry_reader::get_output_symbol_index): Add
1802         is_copy parameter.
1803         (Incremental_binary::emit_copy_relocs): New function.
1804         (Incremental_binary::do_emit_copy_relocs): New function.
1805         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1806         new data member.
1807         (Sized_incremental_binary::add_copy_reloc): New function.
1808         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1809         (Sized_incremental_binary::Copy_reloc): New struct.
1810         (Sized_incremental_binary::Copy_relocs): New typedef.
1811         (Sized_incremental_binary::copy_relocs_): New data member.
1812         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1813         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1814         * target.h (Sized_target::emit_copy_reloc): New function.
1815         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1816
1817 2011-06-02  Cary Coutant  <ccoutant@google.com>
1818
1819         PR gold/12163
1820         * gold/archive.cc (Archive::Archive): Initialize new data member.
1821         (Archive::include_all_members): Return if archive has already been
1822         included.
1823         * gold/archive.h (Archive::include_all_members_): New data member.
1824
1825 2011-06-02  Nick Clifton  <nickc@redhat.com>
1826
1827         * dynobj.h: Fix spelling mistake in comment.
1828         * output.cc: Likewise.
1829
1830 2011-05-31  Doug Kwan  <dougkwan@google.com>
1831             Asier Llano
1832
1833         PR gold/12826
1834         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1835         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1836         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1837         redundant arm_exidx_test.so.
1838         * testsuite/Makefile.in: Regenerate.
1839         (check_SCRIPTS): Add pr12826.sh
1840         (check_DATA): Add pr12826.stdout
1841         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1842         * testsuite/pr12826.sh: New file.
1843         * testsuite/pr12826_1.s: Ditto.
1844         * testsuite/pr12826_1.s: Ditto.
1845
1846 2011-05-30  Ian Lance Taylor  <iant@google.com>
1847
1848         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1849         sections.
1850
1851 2011-05-29  Ian Lance Taylor  <iant@google.com>
1852
1853         PR gold/12804
1854         * testsuite/Makefile.am: Use different file name for two_file_test
1855         temporary file for each incremental test.
1856         * testsuite/Makefile.in: Rebuild.
1857
1858 2011-05-29  Ian Lance Taylor  <iant@google.com>
1859
1860         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1861         binary input file is empty.
1862
1863 2011-05-27  Ian Lance Taylor  <iant@google.com>
1864
1865         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1866         (ver_test_9.so): Likewise.
1867         * testsuite/Makefile.in: Rebuild.
1868
1869 2011-05-26 Cary Coutant  <ccoutant@google.com>
1870
1871         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1872         * incremental.cc (Incremental_inputs::report_input_section): Fix
1873         comment, indentation.
1874         (Incremental_inputs::report_comdat_group): New function.
1875         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1876         of data for incremental input file entry.
1877         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1878         group count, COMDAT group signatures.
1879         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1880         an unchanged input file.
1881         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1882         Initialize new data member.
1883         (Incremental_object_entry::add_comdat_group): New function.
1884         (Incremental_object_entry::get_comdat_group_count): New function.
1885         (Incremental_object_entry::get_comdat_signature_key): New function.
1886         (Incremental_object_entry::groups_): New data member.
1887         (Incremental_inputs::report_comdat_group): New function.
1888         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1889         data for incremental input file entry.
1890         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1891         (Incremental_input_entry_reader::get_input_section): Adjust size of
1892         data for incremental input file entry.
1893         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1894         (Incremental_input_entry_reader::get_comdat_group_signature): New
1895         function.
1896         * object.cc (Sized_relobj::include_section_group): Report kept
1897         COMDAT groups for incremental links.
1898
1899 2011-05-24  David Meyer  <pdox@google.com>
1900
1901         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1902         with name parameter.  Add found_name parameter.
1903         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1904         * dirsearch.h (class Dirsearch): Update declaration.
1905
1906 2011-05-24  Ian Lance Taylor  <iant@google.com>
1907
1908         * archive.cc (Library_base::should_include_member): Pull in object
1909         from archive if it defines the entry symbol.
1910         * parameters.cc (Parameters::entry): New function.
1911         * parameters.h (class Parameters): Declare entry.
1912         * output.h (class Output_file_header): Remove entry_ field.
1913         * output.cc (Output_file_header::Output_file_header): Remove entry
1914         parameter.  Change all callers.
1915         (Output_file_header::entry): Use parameters->entry.
1916         * gold.cc (queue_middle_tasks): Likewise.
1917         * plugin.cc (Plugin_hook::run): Likewise.
1918
1919 2011-05-24 Cary Coutant  <ccoutant@google.com>
1920
1921         * gold.cc (queue_initial_tasks): Pass incremental base filename
1922         to Output_file::open_base_file; don't print error message.
1923         * incremental-dump.cc (main): Adjust call to
1924         Output_file::open_for_modification.
1925         * incremental-dump.cc (main): Likewise.
1926         * incremental.cc (Incremental_inputs::report_command_line):
1927         Ignore --incremental-base option when comparing command lines.
1928         Ignore parameter when given as separate argument.
1929         * options.h (class General_options): Add --incremental-base.
1930         * output.cc (Output_file::Output_file):
1931         (Output_file::open_base_file): Add base_name and writable parameters;
1932         read base file into new file; print error message here.
1933         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1934         callers.
1935         * output.h (Output_file::open_for_modification): Rename to...
1936         (Output_file::open_base_file): ...this; add base_name and
1937         writable parameters; adjust all callers.
1938         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1939         callers.
1940         * testsuite/Makefile.am (incremental_test_4): Test
1941         --incremental-base.
1942         * testsuite/Makefile.in: Regenerate.
1943
1944 2011-05-24 Cary Coutant  <ccoutant@google.com>
1945
1946         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1947         incremental_test_4.
1948         * testsuite/Makefile.in: Regenerate.
1949         * testsuite/two_file_test_1_v1.cc: New test source file.
1950         * testsuite/two_file_test_1b_v1.cc: New test source file.
1951         * testsuite/two_file_test_2_v1.cc: New test source file.
1952
1953 2011-05-24 Cary Coutant  <ccoutant@google.com>
1954
1955         * dynobj.h (Dynobj::do_dynobj): New function.
1956         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1957         flag and soname for shared objects.
1958         * incremental.cc (Incremental_inputs::report_object): Make
1959         either Incremental_object_entry or Incremental_dynobj_entry; add
1960         soname to string table.
1961         (Incremental_inputs::report_input_section): Add assertion.
1962         (Output_section_incremental_inputs::set_final_data_size): Adjust
1963         type of input file entry for shared libraries; adjust size of
1964         shared library info entry.
1965         (Output_section_incremental_inputs::write_input_files): Write
1966         as_needed flag for shared libraries.
1967         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1968         of input file entry for shared libraries; write soname.
1969         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1970         soname from incremental info.
1971         * incremental.h (enum Incremental_input_flags): Add
1972         INCREMENTAL_INPUT_AS_NEEDED.
1973         (Incremental_input_entry::Incremental_input_entry): Initialize new
1974         data member.
1975         (Incremental_input_entry::set_as_needed): New function.
1976         (Incremental_input_entry::as_needed): New function.
1977         (Incremental_input_entry::do_dynobj_entry): New function.
1978         (Incremental_input_entry::as_needed_): New data member.
1979         (Incremental_object_entry::Incremental_object_entry): Don't check
1980         for shared library.
1981         (Incremental_object_entry::do_type): Likewise.
1982         (class Incremental_dynobj_entry): New class.
1983         (Incremental_input_entry_reader::as_needed): New function.
1984         (Incremental_input_entry_reader::get_soname): New function.
1985         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1986         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1987         size of shared library info entry.
1988         * layout.cc (Layout::finish_dynamic_section): Don't test for
1989         incremental link when adding DT_NEEDED entries.
1990         * object.h (Object::Object): Initialize new data member.
1991         (Object::dynobj): New function.
1992         (Object::set_as_needed): New function.
1993         (Object::as_needed): New function.
1994         (Object::do_dynobj): New function.
1995         (Object::as_needed_): New data member.
1996
1997 2011-05-24 Cary Coutant  <ccoutant@google.com>
1998
1999         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
2000         info; adjust display of GOT entries.
2001         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2002         vector of input objects; remove file_status_.
2003         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
2004         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
2005         got_plt reader; call target hooks to reserve GOT entries.
2006         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2007         of input file info header and GOT info entry.
2008         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
2009         relocation info.
2010         (Got_plt_view_info::got_descriptor): Remove.
2011         (Got_plt_view_info::sym_index): New data member.
2012         (Got_plt_view_info::input_index): New data member.
2013         (Local_got_offset_visitor::visit): Write input file index.
2014         (Global_got_offset_visitor::visit): Write 0 for input file index.
2015         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
2016         with sym_index and input_index.
2017         (Output_section_incremental_inputs::write_got_plt): Adjust size of
2018         incremental info GOT entry; replace got_descriptor with input_index.
2019         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
2020         map from input file index to object.
2021         (Sized_relobj_incr::do_layout): Replace direct data member reference
2022         with accessor function.
2023         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
2024         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
2025         Adjust size of input file info header.
2026         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
2027         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
2028         (Incremental_input_entry_reader::get_input_section): Adjust size of
2029         input file info header.
2030         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
2031         of incremental info GOT entry.
2032         (Incremental_got_plt_reader::get_got_desc): Remove.
2033         (Incremental_got_plt_reader::get_got_symndx): New function.
2034         (Incremental_got_plt_reader::get_got_input_index): New function.
2035         (Sized_incremental_binary::Sized_incremental_binary): Remove
2036         file_status_; add input_objects_.
2037         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
2038         (Sized_incremental_binary::set_file_is_unchanged): Remove.
2039         (Sized_incremental_binary::file_is_unchanged): Remove.
2040         (Sized_incremental_binary::set_input_object): New function.
2041         (Sized_incremental_binary::input_object): New function.
2042         (Sized_incremental_binary::file_status_): Remove.
2043         (Sized_incremental_binary::input_objects_): New data member.
2044         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
2045         references.
2046         (Sized_relobj_incr::invalid_address): Move to base class.
2047         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
2048         class.
2049         (Sized_relobj_incr::do_output_section_offset): Likewise.
2050         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
2051         (Sized_relobj_incr::section_offsets_): Likewise.
2052         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
2053         function.
2054         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
2055         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
2056         with accessor function.
2057         (Sized_relobj_file::do_layout): Likewise.
2058         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
2059         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
2060         (Sized_relobj_file::compute_final_local_value): Replace refs to
2061         section_offsets_ with accessor function.
2062         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
2063         * object.h (Relobj::Relobj): Initialize new data members.
2064         (Relobj::add_dyn_reloc): New function.
2065         (Relobj::first_dyn_reloc): New function.
2066         (Relobj::dyn_reloc_count): New function.
2067         (Relobj::first_dyn_reloc_): New data member.
2068         (Relobj::dyn_reloc_count_): New data member.
2069         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
2070         references.
2071         (Sized_relobj::Address): New typedef.
2072         (Sized_relobj::invalid_address): Move here from child class.
2073         (Sized_relobj::Sized_relobj): Initialize new data members.
2074         (Sized_relobj::sized_relobj): New function.
2075         (Sized_relobj::is_output_section_offset_invalid): Move here from
2076         child class.
2077         (Sized_relobj::get_output_section_offset): Likewise.
2078         (Sized_relobj::local_has_got_offset): Likewise.
2079         (Sized_relobj::local_got_offset): Likewise.
2080         (Sized_relobj::set_local_got_offset): Likewise.
2081         (Sized_relobj::do_for_all_local_got_entries): Likewise.
2082         (Sized_relobj::clear_got_offsets): New function.
2083         (Sized_relobj::section_offsets): Move here from child class.
2084         (Sized_relobj::do_output_section_offset): Likewise.
2085         (Sized_relobj::do_set_section_offset): Likewise.
2086         (Sized_relobj::Local_got_offsets): Likewise.
2087         (Sized_relobj::local_got_offsets_): Likewise.
2088         (Sized_relobj::section_offsets_): Likewise.
2089         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
2090         references.
2091         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
2092         class.
2093         (Sized_relobj_file::sized_relobj): New function
2094         (Sized_relobj_file::local_has_got_offset): Move to base class.
2095         (Sized_relobj_file::local_got_offset): Likewise.
2096         (Sized_relobj_file::set_local_got_offset): Likewise.
2097         (Sized_relobj_file::get_output_section_offset): Likewise.
2098         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
2099         (Sized_relobj_file::do_output_section_offset): Likewise.
2100         (Sized_relobj_file::do_set_section_offset): Likewise.
2101         (Sized_relobj_file::Local_got_offsets): Likewise.
2102         (Sized_relobj_file::local_got_offsets_): Likewise.
2103         (Sized_relobj_file::section_offsets_): Likewise.
2104         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
2105         (all constructors).
2106         (set_needs_dynsym_index): Convert relobj to derived class pointer.
2107         (Output_reloc::get_symbol_index): Likewise.
2108         (Output_reloc::local_section_offset): Likewise.
2109         (Output_reloc::get_address): Likewise.
2110         (Output_reloc::symbol_value): Likewise.
2111         (Output_data_got::reserve_slot): Move to class definition.
2112         (Output_data_got::reserve_local): New function.
2113         (Output_data_got::reserve_slot_for_global): Remove.
2114         (Output_data_got::reserve_global): New function.
2115         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
2116         (all constructors, two instantiations).
2117         (Output_reloc::get_relobj): New function (two instantiations).
2118         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
2119         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
2120         (Output_data_reloc::add_global): Adjust type of relobj.
2121         (Output_data_reloc::add_global_relative): Likewise.
2122         (Output_data_reloc::add_symbolless_global_addend): Likewise.
2123         (Output_data_reloc::add_local): Likewise.
2124         (Output_data_reloc::add_local_relative): Likewise.
2125         (Output_data_reloc::add_symbolless_local_addend): Likewise.
2126         (Output_data_reloc::add_local_section): Likewise.
2127         (Output_data_reloc::add_output_section): Likewise.
2128         (Output_data_reloc::add_absolute): Likewise.
2129         (Output_data_reloc::add_target_specific): Likewise.
2130         (Output_data_got::reserve_slot): Move definition here.
2131         (Output_data_got::reserve_local): New function.
2132         (Output_data_got::reserve_global): New function.
2133         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
2134         section_offsets_ with accessor function.
2135         (Sized_relobj_file::write_sections): Likewise.
2136         (Sized_relobj_file::do_relocate_sections): Likewise.
2137         * target.h (Sized_target::reserve_local_got_entry): New function.
2138         (Sized_target::reserve_global_got_entry): New function.
2139         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
2140         (Target_x86_64::reserve_global_got_entry): New function.
2141         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
2142
2143 2011-05-23 Cary Coutant  <ccoutant@google.com>
2144
2145         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
2146         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
2147         bit when checking got_type.
2148         * incremental.cc (Sized_incremental_binary::setup_readers):
2149         Store symbol table and string table locations; initialize bit vector
2150         of file status flags.
2151         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
2152         unchanged files.
2153         (Sized_incremental_binary::do_process_got_plt): New function.
2154         (Sized_incremental_binary::get_symtab_view): Use stored locations.
2155         (Output_section_incremental_inputs::set_final_data_size): Record
2156         file index for each input file.
2157         (Output_section_incremental_inputs::write_got_plt): Store file index
2158         instead of input entry offset for each GOT entry.
2159         * incremental.h
2160         (Incremental_input_entry::Incremental_input_entry): Initialize new
2161         data member.
2162         (Incremental_input_entry::set_offset): Store file index.
2163         (Incremental_input_entry::get_file_index): New function.
2164         (Incremental_input_entry::file_index_): New data member.
2165         (Incremental_binary::process_got_plt): New function.
2166         (Incremental_binary::do_process_got_plt): New function.
2167         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2168         data members.
2169         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2170         (Sized_incremental_binary::set_file_is_unchanged): New function.
2171         (Sized_incremental_binary::file_is_unchanged): New function.
2172         (Sized_incremental_binary::do_process_got_plt): New function.
2173         (Sized_incremental_binary::file_status_): New data member.
2174         (Sized_incremental_binary::main_symtab_loc_): New data member.
2175         (Sized_incremental_binary::main_strtab_loc_): New data member.
2176         * output.cc (Output_data_got::Got_entry::write): Add case
2177         RESERVED_CODE.
2178         (Output_data_got::add_global): Call add_got_entry.
2179         (Output_data_got::add_global_plt): Likewise.
2180         (Output_data_got::add_global_with_rel): Likewise.
2181         (Output_data_got::add_global_with_rela): Likewise.
2182         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2183         (Output_data_got::add_global_pair_with_rela): Likewise.
2184         (Output_data_got::add_local): Call add_got_entry.
2185         (Output_data_got::add_local_plt): Likewise.
2186         (Output_data_got::add_local_with_rel): Likewise.
2187         (Output_data_got::add_local_with_rela): Likewise.
2188         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2189         (Output_data_got::add_local_pair_with_rela): Likewise.
2190         (Output_data_got::reserve_slot): New function.
2191         (Output_data_got::reserve_slot_for_global): New function.
2192         (Output_data_got::add_got_entry): New function.
2193         (Output_data_got::add_got_entry_pair): New function.
2194         (Output_section::add_output_section_data): Edit FIXME.
2195         * output.h
2196         (Output_section_data_build::Output_section_data_build): New
2197         constructor with size parameter.
2198         (Output_data_space::Output_data_space): Likewise.
2199         (Output_data_got::Output_data_got): Initialize new data member; new
2200         constructor with size parameter.
2201         (Output_data_got::add_constant): Call add_got_entry.
2202         (Output_data_got::reserve_slot): New function.
2203         (Output_data_got::reserve_slot_for_global): New function.
2204         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2205         (Output_data_got::add_got_entry): New function.
2206         (Output_data_got::add_got_entry_pair): New function.
2207         (Output_data_got::free_list_): New data member.
2208         * target.h (Sized_target::init_got_plt_for_update): New function.
2209         (Sized_target::register_global_plt_entry): New function.
2210         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2211         Initialize new data member; call init; add constructor with PLT count.
2212         (Output_data_plt_x86_64::init): New function.
2213         (Output_data_plt_x86_64::add_relocation): New function.
2214         (Output_data_plt_x86_64::reserve_slot): New function.
2215         (Output_data_plt_x86_64::free_list_): New data member.
2216         (Target_x86_64::init_got_plt_for_update): New function.
2217         (Target_x86_64::register_global_plt_entry): New function.
2218         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2219         incremental updates.
2220         (Output_data_plt_x86_64::add_relocation): New function.
2221         * testsuite/object_unittest.cc (Object_test): Set default options.
2222
2223 2011-05-16  Ian Lance Taylor  <iant@google.com>
2224
2225         * options.h (class General_options): Make -i a synonym for -r.
2226
2227 2011-05-16  Ian Lance Taylor  <iant@google.com>
2228
2229         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2230
2231 2011-05-10 Cary Coutant  <ccoutant@google.com>
2232
2233         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2234         strip_all (-s).
2235
2236 2011-05-06  Ian Lance Taylor  <iant@google.com>
2237
2238         * layout.cc (Layout::layout): If the output section flags change,
2239         update the ordering.
2240
2241 2011-04-25 Cary Coutant  <ccoutant@google.com>
2242
2243         * incremental-dump.cc (dump_incremental_inputs): Print local
2244         symbol info for each input file.
2245         * incremental.cc
2246         (Output_section_incremental_inputs::set_final_data_size): Add local
2247         symbol info to input file entries in incremental info.
2248         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2249         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2250         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2251         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2252         implementation.
2253         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2254         (Sized_incr_relobj::do_relocate): Write the local symbols.
2255         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2256         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2257         Adjust size of input file header.
2258         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2259         (Incremental_inputs_reader::get_local_symbol_count): New function.
2260         (Incremental_inputs_reader::get_input_section): Adjust size of input
2261         file header.
2262         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2263         (Sized_incr_relobj::This): New typedef.
2264         (Sized_incr_relobj::sym_size): New const data member.
2265         (Sized_incr_relobj::Local_symbol): New struct.
2266         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2267         (Sized_incr_relobj::do_local_symbol_offset): New function.
2268         (Sized_incr_relobj::local_symbol_count_): New data member.
2269         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2270         (Sized_incr_relobj::local_symbol_index_): New data member.
2271         (Sized_incr_relobj::local_symbol_offset_): New data member.
2272         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2273         (Sized_incr_relobj::local_symbols_): New data member.
2274         * object.h (Relobj::output_local_symbol_count): New function.
2275         (Relobj::local_symbol_offset): New function.
2276         (Relobj::do_output_local_symbol_count): New function.
2277         (Relobj::do_local_symbol_offset): New function.
2278         (Sized_relobj::do_output_local_symbol_count): New function.
2279         (Sized_relobj::do_local_symbol_offset): New function.
2280
2281 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2282
2283         * descriptors.cc (set_close_on_exec): New function.
2284         (Descriptors::open): Use set_close_on_exec.
2285         * output.cc (S_ISLNK): Define if not defined.
2286
2287 2011-04-22 Cary Coutant  <ccoutant@google.com>
2288
2289         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2290         global symbol map.
2291         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2292         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2293         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2294         relocations.
2295         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2296         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2297         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2298         * incremental.h
2299         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2300         function.
2301         (Incremental_binary::apply_incremental_relocs): New function.
2302         (Incremental_binary::do_apply_incremental_relocs): New function.
2303         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2304         data member.
2305         (Sized_incremental_binary::add_global_symbol): New function.
2306         (Sized_incremental_binary::global_symbol): New function.
2307         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2308         (Sized_incremental_binary::symbol_map_): New data member.
2309         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2310         * target.h (Sized_target::apply_relocation): New function.
2311         * target-reloc.h (apply_relocation): New function.
2312         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2313
2314 2011-04-22  Doug Kwan  <dougkwan@google.com>
2315
2316         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2317         flag of a SHT_ARM_EXIDX section.
2318         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2319         * testsuite/Makefile.in: Regenerate.
2320         * testsuite/arm_exidx_test.s: New file.
2321         * testsuite/arm_exidx_test.sh: Same.
2322
2323 2011-04-20 Cary Coutant  <ccoutant@google.com>
2324
2325         PR gold/12689
2326         * archive.h (Incremental_archive_entry::Archive_member):
2327         Initialize arg_serial_ (second constructor).
2328
2329 2011-04-17  Ian Lance Taylor  <iant@google.com>
2330
2331         * object.cc (Relocate_info::location): Simplify location string.
2332         * errors.cc (Errors::error_at_location): Don't print program
2333         name.
2334         (Errors::warning_at_location): Likewise.
2335         (Errors::undefined_symbol): Likewise.
2336         * testsuite/debug_msg.sh: Update accordingly.
2337
2338 2011-04-14 Cary Coutant  <ccoutant@google.com>
2339
2340         * gold/layout.cc (Layout::symtab_section_offset): New function.
2341         * gold/layout.h (Layout::symtab_section_offset): New function.
2342         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2343
2344 2011-04-12  Ian Lance Taylor  <iant@google.com>
2345
2346         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2347         with MREMAP_MAYMOVE.
2348         * output.h (class Output_file): Add map_is_allocated_ field.
2349         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2350         not available, provide stubs.  If mremap is not available, #define
2351         it to gold_mremap.
2352         (MREMAP_MAYMOVE): Define if not defined.
2353         (Output_file::Output_file): Initialize map_is_allocated_.
2354         (Output_file::resize): Check map_is_allocated_.
2355         (Output_file::map_anonymous): If mmap fails, use malloc.
2356         (Output_file::unmap): Don't do anything for an anonymous map.
2357         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2358         is not available, provide stubs.
2359         (File_read::View::~View): Use free rather than delete[].
2360         (File_read::make_view): Use malloc rather than new[].  If mmap
2361         fails, use malloc.
2362         (File_read::find_or_make_view): Use malloc rather than new[].
2363         * gold.h: Remove HAVE_REMAP code.
2364         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2365         exists.  Rename mremap to gold_mremap.  If mmap is not available
2366         don't do anything.
2367         * configure, config.in: Rebuild.
2368
2369 2011-04-11  Ian Lance Taylor  <iant@google.com>
2370
2371         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2372         initialize local variable v.
2373
2374 2011-04-11  Cary Coutant  <ccoutant@google.com>
2375
2376         * archive.cc (Archive::include_member): Adjust call to
2377         report_object.
2378         (Add_archive_symbols::run): Track argument serial numbers.
2379         (Lib_group::include_member): Likewise.
2380         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2381         * archive.h (Incremental_archive_entry::Archive_member):
2382         Initialize arg_serial_.
2383         (Archive_member::arg_serial_): New data member.
2384         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2385         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2386         incremental link.
2387         (Sized_dynobj::do_for_all_local_got_entries): New function.
2388         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2389         function.
2390         * fileread.cc (get_mtime): New function.
2391         * fileread.h (get_mtime): New function.
2392         * gold.cc (queue_initial_tasks): Check for incremental update.
2393         (process_incremental_input): New function.
2394         (queue_middle_tasks): Don't force valid target for incremental
2395         update.
2396         * incremental-dump.cc (find_input_containing_global): Adjust
2397         size of symbol info entry.
2398         (dump_incremental_inputs): Dump argument serial number and
2399         in_system_directory flag; bias shndx by 1; print symbol names
2400         when dumping per-file symbol lists; use new symbol info readers.
2401         * incremental.cc
2402         (Output_section_incremental_inputs:update_data_size): New function.
2403         (Sized_incremental_binary::setup_readers): Setup input readers
2404         for each input file; build maps for files added from libraries
2405         and scripts.
2406         (Sized_incremental_binary::check_input_args): New function.
2407         (Sized_incremental_binary::do_check_inputs): Build map of argument
2408         serial numbers to input arguments.
2409         (Sized_incremental_binary::do_file_has_changed): Rename
2410         do_file_is_unchanged to this; compare file modification times.
2411         (Sized_incremental_binary::do_init_layout): New function.
2412         (Sized_incremental_binary::do_reserve_layout): New function.
2413         (Sized_incremental_binary::do_get_input_reader): Remove.
2414         (Sized_incremental_binary::get_symtab_view): New function.
2415         (Incremental_checker::can_incrementally_link_output_file): Remove.
2416         (Incremental_inputs::report_command_line): Exclude --debug options.
2417         (Incremental_inputs::report_archive_begin): Add parameter; track
2418         argument serial numbers; don't put input file entry for archive
2419         before archive members.
2420         (Incremental_inputs::report_archive_end): Put input file entry
2421         for archive after archive members.
2422         (Incremental_inputs::report_object): Add parameter; track argument
2423         serial numbers and in_system_directory flag.
2424         (Incremental_inputs::report_script): Add parameter; track argument
2425         serial numbers.
2426         (Output_section_incremental_inputs::set_final_data_size): Adjust
2427         size of symbol info entry; check for forwarding symbols.
2428         (Output_section_incremental_inputs::write_input_files): Write
2429         in_system_directory flag and argument serial number.
2430         (Output_section_incremental_inputs::write_info_blocks): Map section
2431         indices between incremental info and original input file; store
2432         input section index for each symbol.
2433         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2434         change operator() to visit().
2435         (class Global_got_offset_visitor): Likewise.
2436         (class Global_symbol_visitor_got_plt):
2437         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2438         classes.
2439         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2440         (Sized_incr_relobj::do_read_symbols): New function.
2441         (Sized_incr_relobj::do_layout): New function.
2442         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2443         (Sized_incr_relobj::do_add_symbols): New function.
2444         (Sized_incr_relobj::do_should_include_member): New function.
2445         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2446         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2447         (Sized_incr_relobj::do_section_size): New function.
2448         (Sized_incr_relobj::do_section_name): New function.
2449         (Sized_incr_relobj::do_section_contents): New function.
2450         (Sized_incr_relobj::do_section_flags): New function.
2451         (Sized_incr_relobj::do_section_entsize): New function.
2452         (Sized_incr_relobj::do_section_address): New function.
2453         (Sized_incr_relobj::do_section_type): New function.
2454         (Sized_incr_relobj::do_section_link): New function.
2455         (Sized_incr_relobj::do_section_info): New function.
2456         (Sized_incr_relobj::do_section_addralign): New function.
2457         (Sized_incr_relobj::do_initialize_xindex): New function.
2458         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2459         (Sized_incr_relobj::do_read_relocs): New function.
2460         (Sized_incr_relobj::do_gc_process_relocs): New function.
2461         (Sized_incr_relobj::do_scan_relocs): New function.
2462         (Sized_incr_relobj::do_count_local_symbols): New function.
2463         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2464         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2465         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2466         (Sized_incr_relobj::do_relocate): New function.
2467         (Sized_incr_relobj::do_set_section_offset): New function.
2468         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2469         (Sized_incr_dynobj::do_read_symbols): New function.
2470         (Sized_incr_dynobj::do_layout): New function.
2471         (Sized_incr_dynobj::do_add_symbols): New function.
2472         (Sized_incr_dynobj::do_should_include_member): New function.
2473         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2474         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2475         (Sized_incr_dynobj::do_section_size): New function.
2476         (Sized_incr_dynobj::do_section_name): New function.
2477         (Sized_incr_dynobj::do_section_contents): New function.
2478         (Sized_incr_dynobj::do_section_flags): New function.
2479         (Sized_incr_dynobj::do_section_entsize): New function.
2480         (Sized_incr_dynobj::do_section_address): New function.
2481         (Sized_incr_dynobj::do_section_type): New function.
2482         (Sized_incr_dynobj::do_section_link): New function.
2483         (Sized_incr_dynobj::do_section_info): New function.
2484         (Sized_incr_dynobj::do_section_addralign): New function.
2485         (Sized_incr_dynobj::do_initialize_xindex): New function.
2486         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2487         (make_sized_incremental_object): New function.
2488         (Incremental_library::copy_unused_symbols): New function.
2489         (Incremental_library::do_for_all_unused_symbols): New function.
2490         * incremental.h (enum Incremental_input_flags): New type.
2491         (class Incremental_checker): Remove.
2492         (Incremental_input_entry::Incremental_input_entry): Add argument
2493         serial number.
2494         (Incremental_input_entry::arg_serial): New function.
2495         (Incremental_input_entry::set_is_in_system_directory): New function.
2496         (Incremental_input_entry::is_in_system_directory): New function.
2497         (Incremental_input_entry::arg_serial_): New data member.
2498         (Incremental_input_entry::is_in_system_directory_): New data member.
2499         (class Script_info): Move here from script.h.
2500         (Script_info::Script_info): Add filename parameter.
2501         (Script_info::filename): New function.
2502         (Script_info::filename_): New data member.
2503         (Incremental_script_entry::Incremental_script_entry): Add argument
2504         serial number.
2505         (Incremental_object_entry::Incremental_object_entry): Likewise.
2506         (Incremental_object_entry::add_input_section): Build list of input
2507         sections with map to original shndx.
2508         (Incremental_object_entry::get_input_section_index): New function.
2509         (Incremental_object_entry::shndx_): New data member.
2510         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2511         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2512         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2513         serial number.
2514         (Incremental_inputs::report_archive_begin): Likewise.
2515         (Incremental_inputs::report_object): Likewise.
2516         (Incremental_inputs::report_script): Likewise.
2517         (class Incremental_global_symbol_reader): New class.
2518         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2519         and store flags and input file type.
2520         (Incremental_input_entry_reader::arg_serial): New function.
2521         (Incremental_input_entry_reader::type): Extract type from flags.
2522         (Incremental_input_entry_reader::is_in_system_directory): New function.
2523         (Incremental_input_entry_reader::get_input_section_count): Call
2524         accessor function for type.
2525         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2526         function for type; adjust size of global symbol entry.
2527         (Incremental_input_entry_reader::get_global_symbol_count): Call
2528         accessor function for type.
2529         (Incremental_input_entry_reader::get_object_count): Likewise.
2530         (Incremental_input_entry_reader::get_object_offset): Likewise.
2531         (Incremental_input_entry_reader::get_member_count): Likewise.
2532         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2533         (Incremental_input_entry_reader::get_member_offset): Likewise.
2534         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2535         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2536         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2537         (Incremental_input_entry_reader::get_global_symbol_reader): New
2538         function.
2539         (Incremental_input_entry_reader::get_output_symbol_index): New
2540         function.
2541         (Incremental_input_entry_reader::type_): Remove.
2542         (Incremental_input_entry_reader::flags_): New data member.
2543         (Incremental_inputs_reader::input_file_offset): New function.
2544         (Incremental_inputs_reader::input_file_index): New function.
2545         (Incremental_inputs_reader::input_file): Call input_file_offset.
2546         (Incremental_inputs_reader::input_file_at_offset): New function.
2547         (Incremental_relocs_reader::get_r_type): Reformat.
2548         (Incremental_relocs_reader::get_r_shndx): Reformat.
2549         (Incremental_relocs_reader::get_r_offset): Reformat.
2550         (Incremental_relocs_reader::data): New function.
2551         (Incremental_binary::Incremental_binary): Initialize new data members.
2552         (Incremental_binary::check_inputs): Add cmdline parameter.
2553         (Incremental_binary::file_is_unchanged): Remove.
2554         (Input_reader::arg_serial): New function.
2555         (Input_reader::get_unused_symbol_count): New function.
2556         (Input_reader::get_unused_symbol): New function.
2557         (Input_reader::do_arg_serial): New function.
2558         (Input_reader::do_get_unused_symbol_count): New function.
2559         (Input_reader::do_get_unused_symbol): New function.
2560         (Incremental_binary::input_file_count): New function.
2561         (Incremental_binary::get_input_reader): Change signature to use
2562         index instead of filename.
2563         (Incremental_binary::file_has_changed): New function.
2564         (Incremental_binary::get_input_argument): New function.
2565         (Incremental_binary::get_library): New function.
2566         (Incremental_binary::get_script_info): New function.
2567         (Incremental_binary::init_layout): New function.
2568         (Incremental_binary::reserve_layout): New function.
2569         (Incremental_binary::output_file): New function.
2570         (Incremental_binary::do_check_inputs): New function.
2571         (Incremental_binary::do_file_is_unchanged): Remove.
2572         (Incremental_binary::do_file_has_changed): New function.
2573         (Incremental_binary::do_init_layout): New function.
2574         (Incremental_binary::do_reserve_layout): New function.
2575         (Incremental_binary::do_input_file_count): New function.
2576         (Incremental_binary::do_get_input_reader): Change signature.
2577         (Incremental_binary::input_args_map_): New data member.
2578         (Incremental_binary::library_map_): New data member.
2579         (Incremental_binary::script_map_): New data member.
2580         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2581         new data members.
2582         (Sized_incremental_binary::output_section): New function.
2583         (Sized_incremental_binary::inputs_reader): Add const.
2584         (Sized_incremental_binary::symtab_reader): Add const.
2585         (Sized_incremental_binary::relocs_reader): Add const.
2586         (Sized_incremental_binary::got_plt_reader): Add const.
2587         (Sized_incremental_binary::get_symtab_view): New function.
2588         (Sized_incremental_binary::Inputs_reader): New typedef.
2589         (Sized_incremental_binary::Input_entry_reader): New typedef.
2590         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2591         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2592         (Sized_incremental_binary::do_file_has_changed): New function.
2593         (Sized_incremental_binary::do_init_layout): New function.
2594         (Sized_incremental_binary::do_reserve_layout): New function.
2595         (Sized_input_reader::Inputs_reader): Remove.
2596         (Sized_input_reader::Input_entry_reader): Remove.
2597         (Sized_input_reader::do_arg_serial): New function.
2598         (Sized_input_reader::do_get_unused_symbol_count): New function.
2599         (Sized_input_reader::do_get_unused_symbol): New function.
2600         (Sized_incremental_binary::do_input_file_count): New function.
2601         (Sized_incremental_binary::do_get_input_reader): Change signature;
2602         use index instead of filename.
2603         (Sized_incremental_binary::section_map_): New data member.
2604         (Sized_incremental_binary::input_entry_readers_): New data member.
2605         (class Sized_incr_relobj): New class.
2606         (class Sized_incr_dynobj): New class.
2607         (make_sized_incremental_object): New function.
2608         (class Incremental_library): New class.
2609         * layout.cc (Free_list::num_lists): New static data member.
2610         (Free_list::num_nodes): New static data member.
2611         (Free_list::num_removes): New static data member.
2612         (Free_list::num_remove_visits): New static data member.
2613         (Free_list::num_allocates): New static data member.
2614         (Free_list::num_allocate_visits): New static data member.
2615         (Free_list::init): New function.
2616         (Free_list::remove): New function.
2617         (Free_list::allocate): New function.
2618         (Free_list::dump): New function.
2619         (Free_list::print_stats): New function.
2620         (Layout_task_runner::run): Resize output file for incremental updates.
2621         (Layout::Layout): Initialize new data members.
2622         (Layout::set_incremental_base): New function.
2623         (Layout::init_fixed_output_section): New function.
2624         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2625         incremental updates.
2626         (Layout::create_gold_note): Do not create gold note section for
2627         incremental updates.
2628         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2629         for incremental updates.
2630         (Layout::set_section_offsets): For incremental updates, allocate space
2631         from free list.
2632         (Layout::create_symtab_sections): Layout with offsets relative to
2633         start of section; for incremental updates, allocate space from free
2634         list.
2635         (Layout::create_shdrs): For incremental updates, allocate space from
2636         free list.
2637         (Layout::finish_dynamic_section): For incremental updates, do not
2638         check --as-needed (fixed in subsequent patch).
2639         * layout.h (class Free_list): New class.
2640         (Layout::set_incremental_base): New function.
2641         (Layout::incremental_base): New function.
2642         (Layout::init_fixed_output_section): New function.
2643         (Layout::allocate): New function.
2644         (Layout::incremental_base_): New data member.
2645         (Layout::free_list_): New data member.
2646         * main.cc (main): Print Free_list statistics.
2647         * object.cc (Relobj::finalize_incremental_relocs): Add
2648         clear_counts parameter; clear counts only when clear_counts is set.
2649         (Sized_relobj::Sized_relobj): Initialize new base class.
2650         (Sized_relobj::do_layout): Don't report special sections.
2651         (Sized_relobj::do_for_all_local_got_entries): New function.
2652         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2653         symtab_off to all symbol table offsets.
2654         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2655         * object.h (class Got_offset_list): Move to top of file.
2656         (Object::Object): Allow case where input_file == NULL.
2657         (Object::~Object): Likewise.
2658         (Object::input_file): Assert that input_file != NULL.
2659         (Object::lock): Allow case where input_file == NULL.
2660         (Object::unlock): Likewise.
2661         (Object::is_locked): Likewise.
2662         (Object::token): Likewise.
2663         (Object::release): Likewise.
2664         (Object::is_incremental): New function.
2665         (Object::get_mtime): New function.
2666         (Object::for_all_local_got_entries): New function.
2667         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2668         (Object::set_is_in_system_directory): New function.
2669         (Object::is_in_system_directory): New function.
2670         (Object::do_is_incremental): New function.
2671         (Object::do_get_mtime): New function.
2672         (Object::do_for_all_local_got_entries): New function.
2673         (Object::is_in_system_directory_): New data member.
2674         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2675         (class Sized_relobj_base): New class.
2676         (class Sized_relobj): Derive from Sized_relobj_base.
2677         (class Sized_relobj::Symbols): Redeclare from base class.
2678         (class Sized_relobj::local_got_offset_list): Remove.
2679         (class Sized_relobj::Output_sections): Redeclare from base class.
2680         (class Sized_relobj::do_for_all_local_got_entries): New function.
2681         (class Sized_relobj::write_local_symbols): Add offset parameter.
2682         (class Sized_relobj::local_symbol_offset_): Update comment.
2683         (class Sized_relobj::local_dynsym_offset_): Update comment.
2684         * options.cc (Input_arguments::add_file): Remove const.
2685         * options.h (Input_file_argument::Input_file_argument):
2686         Initialize arg_serial_ (all constructors).
2687         (Input_file_argument::set_arg_serial): New function.
2688         (Input_file_argument::arg_serial): New function.
2689         (Input_file_argument::arg_serial_): New data member.
2690         (Input_arguments::Input_arguments): Initialize file_count_.
2691         (Input_arguments::add_file): Remove const.
2692         (Input_arguments::number_of_input_files): New function.
2693         (Input_arguments::file_count_): New data member.
2694         (Command_line::number_of_input_files): Call
2695         Input_arguments::number_of_input_files.
2696         * output.cc (Output_segment_headers::Output_segment_headers):
2697         Set current size.
2698         (Output_section::Input_section::current_data_size): New function.
2699         (Output_section::Output_section): Initialize new data members.
2700         (Output_section::add_input_section): Don't do merge sections for
2701         an incremental link; allocate space from free list for an
2702         incremental update.
2703         (Output_section::add_output_section_data): Allocate space from
2704         free list for an incremental update.
2705         (Output_section::update_data_size): New function.
2706         (Output_section::set_fixed_layout): New function.
2707         (Output_section::reserve): New function.
2708         (Output_segment::set_section_addresses): Remove const.
2709         (Output_segment::set_section_list_addresses): Remove const; allocate
2710         space from free list for an incremental update.
2711         (Output_segment::set_offset): Adjust size of RELRO segment for an
2712         incremental update.
2713         * output.h (Output_data::current_data_size): Move here from
2714         child classes.
2715         (Output_data::pre_finalize_data_size): New function.
2716         (Output_data::update_data_size): New function.
2717         (Output_section_headers::update_data_size): new function.
2718         (Output_section_data_build::current_data_size): Move to Output_data.
2719         (Output_data_strtab::update_data_size): New function.
2720         (Output_section::current_data_size): Move to Output_data.
2721         (Output_section::set_fixed_layout): New function.
2722         (Output_section::has_fixed_layout): New function.
2723         (Output_section::reserve): New function.
2724         (Output_section::update_data_size): New function.
2725         (Output_section::has_fixed_layout_): New data member.
2726         (Output_section::free_list_): New data member.
2727         (Output_segment::set_section_addresses): Remove const.
2728         (Output_segment::set_section_list_addresses): Remove const.
2729         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2730         New function.
2731         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2732         New function.
2733         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2734         parameter when calling Add_symbols constructor; store argument
2735         serial number for members of a lib group.
2736         (Add_symbols::locks): Allow case where token == NULL.
2737         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2738         (Read_member::~Read_member): New function.
2739         (Read_member::is_runnable): New function.
2740         (Read_member::locks): New function.
2741         (Read_member::run): New function.
2742         (Check_script::~Check_script): New function.
2743         (Check_script::is_runnable): New function.
2744         (Check_script::locks): New function.
2745         (Check_script::run): New function.
2746         (Check_library::~Check_library): New function.
2747         (Check_library::is_runnable): New function.
2748         (Check_library::locks): New function.
2749         (Check_library::run): New function.
2750         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2751         (Add_symbols::library_): New data member.
2752         (class Read_member): New class.
2753         (class Check_script): New class.
2754         (class Check_library): New class.
2755         * reloc.cc (Read_relocs::is_runnable): Allow case where
2756         token == NULL.
2757         (Read_relocs::locks): Likewise.
2758         (Scan_relocs::locks): Likewise.
2759         (Relocate_task::locks): Likewise.
2760         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2761         to clear counters.
2762         (Sized_relobj::incremental_relocs_scan): Fix comment.
2763         (Sized_relobj::do_relocate): Pass output file offset to
2764         write_local_symbols.
2765         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2766         from class declaration.
2767         * script.cc (read_input_script): Allocate Script_info; pass
2768         argument serial number to report_script.
2769         * script.h (class Script_info): Move to incremental.h.
2770         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2771         * symtab.h (Symbol_table::add_from_incrobj): New function.
2772         (Symbol_table::set_file_offset): New function.
2773
2774 2011-04-05  Cary Coutant  <ccoutant@google.com>
2775
2776         * incremental-dump.cc (dump_incremental_inputs): Change signature
2777         to take a Sized_incremental_binary; change caller.  Use readers
2778         in Sized_incremental_binary.
2779         * incremental.cc
2780         (Sized_incremental_binary::find_incremental_inputs_sections):
2781         Rename do_find_incremental_inputs_sections to this.
2782         (Sized_incremental_binary::setup_readers): New function.
2783         (Sized_incremental_binary::do_check_inputs): Check
2784         has_incremental_info_ flag; move setup code to setup_readers;
2785         use input readers.
2786         (Sized_incremental_binary::do_file_is_unchanged): New function.
2787         (Sized_incremental_binary::do_get_input_reader): New function.
2788         * incremental.h (class Incremental_binary): Move to end of file.
2789         (Incremental_binary::file_is_unchanged): New function.
2790         (Incremental_binary::do_file_is_unchanged): New function.
2791         (Incremental_binary::Input_reader): New class.
2792         (Incremental_binary::get_input_reader): New function.
2793         (class Sized_incremental_binary): Move to end of file.
2794         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2795         input section reader classes.
2796         (Sized_incremental_binary::has_incremental_info): New function.
2797         (Sized_incremental_binary::inputs_reader): New function.
2798         (Sized_incremental_binary::symtab_reader): New function.
2799         (Sized_incremental_binary::relocs_reader): New function.
2800         (Sized_incremental_binary::got_plt_reader): New function.
2801         (Sized_incremental_binary::do_file_is_unchanged): New function.
2802         (Sized_incremental_binary::Sized_input_reader): New class.
2803         (Sized_incremental_binary::get_input_reader): New function.
2804         (Sized_incremental_binary::find_incremental_inputs_sections):
2805         Rename do_find_incremental_inputs_sections to this.
2806         (Sized_incremental_binary::setup_readers): New function.
2807         (Sized_incremental_binary::has_incremental_info_): New data member.
2808         (Sized_incremental_binary::inputs_reader_): New data member.
2809         (Sized_incremental_binary::symtab_reader_): New data member.
2810         (Sized_incremental_binary::relocs_reader_): New data member.
2811         (Sized_incremental_binary::got_plt_reader_): New data member.
2812         (Sized_incremental_binary::current_input_file_): New data member.
2813
2814 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2815
2816         PR gold/12640
2817         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2818         violation.
2819
2820 2011-03-30  Cary Coutant  <ccoutant@google.com>
2821
2822         * archive.cc (Archive::include_member): Adjust call to report_object.
2823         (Add_archive_symbols::run): Add script_info to call to
2824         report_archive_begin.
2825         (Lib_group::include_member): Adjust call to report_object.
2826         (Add_lib_group_symbols::run): Adjust call to report_object.
2827         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2828         blocks.  Add object count for script input files.
2829         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2830         script_info parameter; change all callers.
2831         (Incremental_inputs::report_object): Add script_info parameter;
2832         change all callers.
2833         (Incremental_inputs::report_script): Store backpointer to
2834         incremental info entry.
2835         (Output_section_incremental_inputs::set_final_data_size): Record
2836         additional information for scripts.
2837         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2838         * incremental.h (Incremental_script_entry::add_object): New function.
2839         (Incremental_script_entry::get_object_count): New function.
2840         (Incremental_script_entry::get_object): New function.
2841         (Incremental_script_entry::objects_): New data member; adjust
2842         constructor.
2843         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2844         (Incremental_inputs::report_object): Add script_info parameter.
2845         (Incremental_inputs_reader::get_object_count): New function.
2846         (Incremental_inputs_reader::get_object_offset): New function.
2847         * options.cc (Input_arguments::add_file): Return reference to
2848         new input argument.
2849         * options.h (Input_argument::set_script_info): New function.
2850         (Input_argument::script_info): New function.
2851         (Input_argument::script_info_): New data member; adjust all
2852         constructors.
2853         (Input_file_group::add_file): Return reference to new input argument.
2854         (Input_file_lib::add_file): Likewise.
2855         (Input_arguments::add_file): Likewise.
2856         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2857         * script.cc (Parser_closure::Parser_closure): Add script_info
2858         parameter; adjust all callers.
2859         (Parser_closure::script_info): New function.
2860         (Parser_closure::script_info_): New data member.
2861         (read_input_script): Report scripts earlier to incremental info.
2862         (script_add_file): Set script_info in Input_argument.
2863         (script_add_library): Likewise.
2864         * script.h (Script_options::Script_info): Rewrite class.
2865
2866 2011-03-29  Cary Coutant  <ccoutant@google.com>
2867
2868         * archive.cc (Library_base::should_include_member): Move
2869         method here from class Archive.
2870         (Archive::Archive): Initialize base class.
2871         (Archive::should_include_member): Move to base class.
2872         (Archive::do_for_all_unused_symbols): New function.
2873         (Add_archive_symbols::run): Remove redundant access to
2874         incremental_inputs.
2875         (Lib_group::Lib_group): Initialize base class.
2876         (Lib_group::do_filename): New function.
2877         (Lib_group::include_member): Pass pointer to Lib_group to
2878         report_object.
2879         (Lib_group::do_for_all_unused_symbols): New function.
2880         (Add_lib_group_symbols::run): Report archive information for
2881         incremental links.
2882         * archive.h (class Library_base): New base class.
2883         (class Archive): Derive from Library_base.
2884         (Archive::filename): Move to base class.
2885         (Archive::set_incremental_info): Likewise.
2886         (Archive::incremental_info): Likewise.
2887         (Archive::Should_include): Likewise.
2888         (Archive::should_include_member): Likewise.
2889         (Archive::Armap_entry): Remove.
2890         (Archive::Unused_symbol_iterator): Remove.
2891         (Archive::unused_symbols_begin): Remove.
2892         (Archive::unused_symbols_end): Remove.
2893         (Archive::do_filename): New function.
2894         (Archive::do_get_mtime): New function.
2895         (Archive::do_for_all_unused_symbols): New function.
2896         (Archive::task_): Move to base class.
2897         (Archive::incremental_info_): Likewise.
2898         (class Lib_group): Derive from Library_base.
2899         (Lib_group::do_filename): New function.
2900         (Lib_group::do_get_mtime): New function.
2901         (Lib_group::do_for_all_unused_symbols): New function.
2902         (Lib_group::task_): Move to base class.
2903         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2904         function.
2905         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2906         function.
2907         * incremental.cc (Incremental_inputs::report_archive_begin):
2908         Use Library_base; call library's get_mtime; add incremental inputs
2909         entry before members.
2910         (class Unused_symbol_visitor): New class.
2911         (Incremental_inputs::report_archive_end): Use Library_base; use
2912         visitor class to record unused symbols; don't add incremental inputs
2913         entry after members.
2914         (Incremental_inputs::report_object): Use Library_base.
2915         * incremental.h
2916         (Incremental_archive_entry::Incremental_archive_entry): Remove
2917         unused Archive parameter.
2918         (Incremental_inputs::report_archive_begin): Use Library_base.
2919         (Incremental_inputs::report_archive_end): Likewise.
2920         (Incremental_inputs::report_object): Likewise.
2921         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2922         function.
2923         * object.h (Object::for_all_global_symbols): New function.
2924         (Object::do_for_all_global_symbols): New function.
2925         (Sized_relobj::do_for_all_global_symbols): New function.
2926         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2927         function.
2928         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2929         function.
2930
2931 2011-03-27  Ian Lance Taylor  <iant@google.com>
2932
2933         * archive.cc (Archive::interpret_header): Return -1 if something
2934         goes wrong.  Change callers accordingly.
2935
2936 2011-03-25  Cary Coutant  <ccoutant@google.com>
2937
2938         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2939         * testsuite/Makefile.in: Regenerate.
2940
2941 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2942
2943         * plugin.cc (get_view): New.
2944         (Plugin::load): Pass get_view to the plugin.
2945         (Plugin_manager::get_view): New.
2946
2947 2011-03-21  Ian Lance Taylor  <iant@google.com>
2948
2949         * testsuite/final_layout.sh: Rewrite to not use dc.
2950         * testsuite/relro_test.sh: Fail if dc is not present.
2951
2952 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2953
2954         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2955         Change == to -eq.
2956         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2957         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2958         Change == to -eq.
2959         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2960         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2961
2962 2011-03-14  Ian Lance Taylor  <iant@google.com>
2963
2964         * script-sections.cc (Sort_output_sections::script_compare):
2965         Rename from is_before, change return type.
2966         (Sort_output_sections::operator()): Adjust accordingly.
2967
2968 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2969
2970         PR gold/12572
2971         * testsuite/odr_violation2.cc: Add comment to make all error line
2972         numbers double digits.
2973         * testsuite/debug_msg.sh: Adjust expected errors.
2974
2975 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2976
2977         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2978         but mark earlier ones as non-canonical
2979         (offset_to_iterator): Update search target and example
2980         (do_addr2line): Return extra lines in a vector*
2981         (format_file_lineno): Extract from do_addr2line
2982         (one_addr2line): Add vector* out-param
2983         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2984         when a lineno entry appeared last for its instruction
2985         (Dwarf_line_info): Add vector* out-param
2986         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2987         * symtab.cc (Odr_violation_compare): Include the lineno in the
2988         comparison again.
2989         (linenos_from_loc): New. Combine the canonical line for an
2990         address with its other lines.
2991         (True_if_intersect): New. Helper functor to make
2992         std::set_intersection a query.
2993         (detect_odr_violations): Compare sets of lines instead of just
2994         one line for each function. This became less deterministic, but
2995         has fewer false positives.
2996         * symtab.h: Declarations.
2997         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2998         mix an optimized and non-optimized object in the same binary
2999         (odr_violation2.so): Same.
3000         * testsuite/Makefile.in: Regenerate from Makefile.am.
3001         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
3002         * testsuite/debug_msg.sh: Update line numbers and add
3003         assertions.
3004         * testsuite/odr_violation1.cc: Use OdrDerived, in a
3005         non-optimized context.
3006         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
3007         isn't inlined, and use OdrDerived in an optimized context.
3008         * testsuite/odr_header1.h: Defines OdrDerived, where
3009         optimization will change the
3010         first-instruction-in-the-destructor's file and line number.
3011         * testsuite/odr_header2.h: Defines OdrBase.
3012
3013 2011-03-09  Ian Lance Taylor  <iant@google.com>
3014
3015         * fileread.cc (File_read::clear_views): Don't delete the whole
3016         file view.
3017
3018 2011-03-08  Ian Lance Taylor  <iant@google.com>
3019
3020         PR gold/12525
3021         * fileread.cc: #include <climits>.
3022         (GOLD_IOV_MAX): Define.
3023         (File_read::read_multiple): Limit number of entries by iov_max.
3024         * fileread.h (class File_read): Always set max_readv_entries to
3025         128.
3026
3027 2011-03-07  Ian Lance Taylor  <iant@google.com>
3028
3029         PR gold/12525
3030         * options.h (class General_options): Add -dy and -dn.
3031
3032 2011-03-02  Cary Coutant  <ccoutant@google.com>
3033
3034         * testsuite/script_test_9.t: Add TLS segment.
3035
3036 2011-03-02  Simon Baldwin  <simonb@google.com>
3037
3038         * configure.ac: Add check for gnu_indirect_function support in
3039         the toolchain building binutils.
3040         * configure: Rebuild.
3041
3042 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
3043
3044         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
3045         plugin only symbols.
3046         (Symbol_table::sized_finalize_symbol) Mark symbol only present
3047         in plugin files as not needed in the symbol table.
3048
3049 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
3050
3051         * output.cc (Output_section::add_input_section): Delay fill
3052         generation for section ordering.
3053
3054 2011-02-09  Ian Lance Taylor  <iant@google.com>
3055
3056         PR gold/12316
3057         * object.h (class Sized_relobj): Remove clear_local_symbols.
3058         * reloc.cc (Sized_relobj::do_relocate): Don't call
3059         clear_local_symbols.
3060
3061 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
3062
3063         * plugin.cc (is_visible_from_outside): Return true for symbols
3064         in the -u option.
3065
3066 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
3067
3068         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
3069         filename.
3070
3071 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
3072
3073         * icf.h (is_section_foldable_candidate): Change type of parameter
3074         to std::string.
3075         * icf.cc (Icf::find_identical_sections): Change type of local variable
3076         section_name to be std::string.
3077         (is_function_ctor_or_dtor): Change type of parameter to std::string.
3078
3079 2011-01-25  Ian Lance Taylor  <iant@google.com>
3080
3081         * script.cc (script_add_extern): Rewrite to use
3082         add_symbol_reference.
3083
3084 2011-01-25  Doug Kwan  <dougkwan@google.com>
3085
3086         * icf.cc (get_section_contents): Always lock section's object.
3087
3088 2011-01-24  Ian Lance Taylor  <iant@google.com>
3089
3090         * options.h (class General_options): Accept
3091         --no-detect-odr-violations.
3092
3093 2011-01-24  Ian Lance Taylor  <iant@google.com>
3094
3095         * version.cc (version_string): Bump to 1.11.
3096
3097 2011-01-24  Ian Lance Taylor  <iant@google.com>
3098
3099         * plugin.cc (class Plugin_rescan): Define new class.
3100         (Plugin_manager::claim_file): Set any_claimed_.
3101         (Plugin_manager::save_archive): New function.
3102         (Plugin_manager::save_input_group): New function.
3103         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
3104         necessary.
3105         (Plugin_manager::new_undefined_symbol): New function.
3106         (Plugin_manager::rescan): New function.
3107         (Plugin_manager::rescannable_defines): New function.
3108         (Plugin_manager::add_input_file): Set any_added_.
3109         * plugin.h (class Plugin_manager): define new fields rescannable_,
3110         undefined_symbols_, any_claimed_, and any_added_.  Declare
3111         Plugin_rescan as friend.  Declare new functions.
3112         (Plugin_manager::Rescannable): Define type.
3113         (Plugin_manager::Rescannable_list): Define type.
3114         (Plugin_manager::Undefined_symbol_list): Define type.
3115         (Plugin_manager::Plugin_manager): Initialize new fields.
3116         * archive.cc (Archive::defines_symbol): New function.
3117         (Add_archive_symbols::run): Pass archive to plugins if any.
3118         * archive.h (class Archive): Declare defines_symbol.
3119         * readsyms.cc (Input_group::~Input_group): New function.
3120         (Finish_group::run): Pass input_group to plugins if any.
3121         * readsyms.h (class Input_group): Declare destructor.
3122         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
3123         any.
3124
3125 2011-01-10  Ian Lance Taylor  <iant@google.com>
3126
3127         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
3128         section as relro.
3129         (Layout::set_segment_offsets): Reset increase_relro before calling
3130         set_section_addresses a second time.
3131
3132 2011-01-04  Cary Coutant  <ccoutant@google.com>
3133
3134         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
3135         sections before NOBITS sections.
3136
3137 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
3138
3139         * version.cc (print_version): Update copyright to 2011.
3140
3141 2010-12-23  Cary Coutant  <ccoutant@google.com>
3142
3143         * output.h (Output_data_reloc::add_output_section): Pass OD instead
3144         of OS to this->add.  Add OD parameter to second form of the function.
3145
3146 2010-12-20  Ian Lance Taylor  <iant@google.com>
3147
3148         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
3149         second of two consecutive entries with same offset.
3150
3151 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3152
3153         * testsuite/Makefile.am (ifuncmain2static_LDADD)
3154         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
3155         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
3156         to avoid unneeded links against $(LDADD).
3157         * testsuite/Makefile.in: Regenerate.
3158
3159 2010-12-15  Ian Lance Taylor  <iant@google.com>
3160
3161         PR gold/12324
3162         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
3163         for R_X86_64_32 and R_X86_64_PC32.
3164         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
3165         ver_matching_def_pic.o.
3166         (ver_matching_def_pic.o): New target.
3167
3168 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3169
3170         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3171         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3172         Move definition before File_read::View member definitions.
3173         (File_read::View::~View): Initialize and hold lock before
3174         updating current_mapped_bytes.
3175
3176 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3177
3178         * dwarf_reader.cc: Remove outdated comment.
3179         * gold-threads.cc: Fix typo in error message.
3180         * archive.cc: Fix typos in comments.
3181         * archive.h: Likewise.
3182         * arm-reloc-property.cc: Likewise.
3183         * arm-reloc-property.h: Likewise.
3184         * arm-reloc.def: Likewise.
3185         * arm.cc: Likewise.
3186         * attributes.h: Likewise.
3187         * cref.cc: Likewise.
3188         * ehframe.cc: Likewise.
3189         * fileread.h: Likewise.
3190         * gold.h: Likewise.
3191         * i386.cc: Likewise.
3192         * icf.cc: Likewise.
3193         * incremental.h: Likewise.
3194         * int_encoding.cc: Likewise.
3195         * layout.h: Likewise.
3196         * main.cc: Likewise.
3197         * merge.h: Likewise.
3198         * object.cc: Likewise.
3199         * object.h: Likewise.
3200         * options.cc: Likewise.
3201         * readsyms.cc: Likewise.
3202         * reduced_debug_output.cc: Likewise.
3203         * reloc.cc: Likewise.
3204         * script-sections.cc: Likewise.
3205         * sparc.cc: Likewise.
3206         * symtab.h: Likewise.
3207         * target-reloc.h: Likewise.
3208         * target.cc: Likewise.
3209         * target.h: Likewise.
3210         * timer.cc: Likewise.
3211         * timer.h: Likewise.
3212         * x86_64.cc: Likewise.
3213
3214 2010-12-09  Cary Coutant  <ccoutant@google.com>
3215
3216         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3217         stack.
3218         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3219         parameter; change all callers.
3220         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3221         * options.h (warn_execstack): New option.
3222
3223 2010-12-07  Doug Kwan  <dougkwan@google.com>
3224
3225         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3226         like function call relocations.
3227
3228 2010-12-07  Ian Lance Taylor  <iant@google.com>
3229
3230         * archive.cc (Archive::get_elf_object_for_member): Permit
3231         punconfigured to be NULL.
3232         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3233         (Archive::include_member): Pass NULL to get_elf_object_for_member
3234         if we searched for the archive and this is the first included
3235         object.
3236
3237 2010-12-01  Ian Lance Taylor  <iant@google.com>
3238
3239         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3240         track_relocs_type_ field.
3241         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3242         Set track_relocs_type_.
3243         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3244         contents when using RELA relocs.
3245         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3246         reloc_map_.
3247         * reloc.cc (Track_relocs::next_addend): New function.
3248         * reloc.h (class Track_relocs): Declare next_addend.
3249
3250 2010-12-01  Ian Lance Taylor  <iant@google.com>
3251
3252         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3253         virtual destructor.
3254
3255 2010-12-01  Ian Lance Taylor  <iant@google.com>
3256
3257         * README: Update compilers known to work and fail.
3258
3259 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3260
3261         * configure.in: For --enable-gold, handle value `default' instead of
3262         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3263         not the default.
3264         * configure: Regenerate.
3265
3266 2010-11-18  Doug Kwan  <dougkwan@google.com>
3267
3268         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3269         and right_alignment to be zero.  Store result alignment only if it is
3270         greater than existing alignment.
3271
3272 2010-11-16  Cary Coutant  <ccoutant@google.com>
3273
3274         PR gold/12220
3275         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3276         Check for ".zdebug_line".
3277
3278 2010-11-16  Doug Kwan  <dougkwan@google.com>
3279             Cary Coutant  <ccoutant@google.com>
3280
3281         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3282         by reference; adjust all callers.
3283         * output.cc (Output_segment::set_section_addresses): Adjust references
3284         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3285         list is empty.
3286         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3287         end at page boundary.
3288
3289 2010-11-16  Cary Coutant  <ccoutant@google.com>
3290
3291         PR gold/12220
3292         * layout.cc (Layout::choose_output_section): Transform names of
3293         compressed sections even when using a script with a SECTIONS clause.
3294         (Layout::output_section_name): Remove code to transform
3295         compressed debug section names.
3296         * output.cc (Output_section::add_input_section): Use uncompressed
3297         section size when tracking input sections.
3298
3299 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3300
3301         * symtab.h (Symbol::NON_PIC_REF): Remove.
3302         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3303         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3304         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3305         (Symbol::use_plt_offset): Take a flags argument and pass it
3306         directly to needs_dynamic_reloc.  Restrict check for undefined
3307         weak symbols to function calls.
3308         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3309         (Target_arm::Scan::global): Use it.
3310         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3311         (Target_arm::Relocate::relocate): Likewise.
3312         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3313         parameter with an r_type parameter.  Use get_reference_flags
3314         to get the flags.
3315         (Target_arm::Relocate::relocate): Update accordingly.
3316         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3317         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3318         (Target_i386::Scan::global): Likewise.
3319         (Target_i386::Relocate::relocate): Likewise.
3320         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3321         parameter with an r_type parameter.  Use get_reference_flags
3322         to get the flags.
3323         (Target_i386::Relocate::relocate): Update accordingly.
3324         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3325         (Target_powerpc::Scan::global): Use it.
3326         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3327         (Target_powerpc::Relocate::relocate): Likewise.
3328         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3329         (Target_sparc::Scan::global): Use it.
3330         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3331         (Target_sparc::Relocate::relocate): Likewise.
3332         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3333         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3334         (Target_x86_64::Scan::global): Likewise.
3335         (Target_x86_64::Relocate::relocate): Likewise.
3336
3337 2010-11-08  Doug Kwan  <dougkwan@google.com>
3338             Cary Coutant  <ccoutant@google.com>
3339
3340         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3341         (Arm_exidx_merge_section::section_contents_): New data member.
3342         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3343         (Arm_input_section::~Arm_input_section): De-allocate memory.
3344         (Arm_input_section::original_contents_): New data member.
3345         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3346         in parameters instead of calling Object::section_contents without
3347         locking.
3348         (Arm_output_section::group_section): New parameter TASK.  Pass it
3349         to callees that need locking objects.
3350         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3351         to lock EXIDX input sections.  Fix a formatting issue.  Call
3352         Arm_exidx_merged_section::build_contents to create merged section
3353         contents.
3354         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3355         to lock object of stub table owner.
3356         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3357         TEXT_SIZE to initialize data member TEXT_SIZE_.
3358         (Arm_exidx_input_section::addralign): Fix typo in comment.
3359         (Arm_exidx_input_section::text_size): New method.
3360         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3361         that require locking objects.  Lock objects before scanning for stubs
3362         and updating local symbols.
3363         (Arm_input_section<big_endian>::init): Copy contents of original
3364         input section.
3365         (Arm_input_section<big_endian>::do_write): Use saved contents of
3366         original input section instead of calling Object::section_contents
3367         without locking.
3368         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3369         size without calling Object::section_size().
3370         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3371         for size.  Allocate a buffer for merged EXIDX entries.
3372         (Arm_exidx_merged_section::build_contents): New method.
3373         (Arm_exidx_merged_section::do_write): Move merge section contents
3374         building code to Arm_exidx_merged_section::build_contetns.  Write
3375         out contetns in buffer instead of building it on the fly.
3376         (Arm_relobj::make_exidx_input_section): Also pass text section size
3377         to Arm_exidx_input_section constructor.
3378         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3379         (Arm_dynobj::do_read_symbols): Fix memory leak.
3380         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3381         * target.h: (class Task): Add forward declaration.
3382         (Target::relax): Add new parameter TASK and pass it to
3383         Target::do_relax().
3384         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3385
3386 2010-11-05  Cary Coutant  <ccoutant@google.com>
3387
3388         PR gold/10708
3389         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3390         object when reading from the file.
3391         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3392         second layout pass.
3393         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3394         when reading section contents.
3395         (get_section_contents): Likewise.
3396         (icf::find_identical_sections): Likewise.
3397         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3398         object when reading from the file.
3399         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3400         the object when doing deferred section layout.
3401
3402 2010-11-03  Nick Clifton  <nickc@redhat.com>
3403
3404         PR gold/12001
3405         * script.h (class Symbol_assignment: name): New member.  Returns
3406         the name of the symbol.
3407         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3408         Returns true if the given symbol name is on the list of
3409         assignments wating to be processed.
3410         * archive.cc (should_incldue_member): If the symbol is undefined,
3411         check to see if it is on the list of symbols pending assignment.
3412
3413 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3414
3415         * script-sections.cc (Script_sections::find_memory_region): Check
3416         for a NULL output section pointer.
3417
3418 2010-10-29  Doug Kwan  <dougkwan@google.com>
3419
3420         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3421         Output_section::add_relaxed_input_section.
3422         * output.cc (Output_section::add_relaxed_input_section): Add new
3423         arguments LAYOUT and NAME.  Set section order index.
3424         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3425         Copy section order index.
3426         * output.h (Output_section::add_relaxed_input_section): Add new
3427         arguments LAYOUT and NAME.
3428
3429 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3430
3431         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3432         NATIVE_OR_CROSS_LINKER.
3433         * testsuite/Makefile.in: Regenerate.
3434
3435 2010-10-20  Doug Kwan  <dougkwan@google.com>
3436
3437         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3438         without SHF_LINK_ORDER flags.
3439         * layout.cc (Layout::choose_output_section): Do not filter
3440         SHF_LINK_ORDER flag in a relocatable link.
3441
3442 2010-10-17  Cary Coutant  <ccoutant@google.com>
3443
3444         * output.h (Output_segment::set_section_addresses): Change function
3445         signature.  Update all callers.
3446         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3447         sections.
3448         (Output_segment::set_section_addresses): Align after last TLS
3449         section.  Add padding before last relro section instead of after.
3450
3451 2010-10-17  Doug Kwan  <dougkwan@google.com>
3452
3453         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3454         GOT output section to be writable.
3455
3456 2010-10-14  Cary Coutant  <ccoutant@google.com>
3457
3458         * debug.h (DEBUG_INCREMENTAL): New flag.
3459         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3460         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3461         mode.
3462         * incremental.cc (report_command_line): Ignore all forms of
3463         --incremental.
3464         * layout.cc (Layout::Layout): Check parameters for incremental link
3465         mode.
3466         * options.cc (General_options::parse_incremental): New function.
3467         (General_options::parse_no_incremental): New function.
3468         (General_options::parse_incremental_full): New function.
3469         (General_options::parse_incremental_update): New function.
3470         (General_options::incremental_mode_): New data member.
3471         (General_options::finalize): Check incremental_mode_.
3472         * options.h (General_options): Update help text for --incremental.
3473         Add --no-incremental, --incremental-full, --incremental-update.
3474         (General_options::Incremental_mode): New enum type.
3475         (General_options::incremental_mode): New function.
3476         (General_options::incremental_mode_): New data member.
3477         * parameters.cc (Parameters::incremental_mode_): New data member.
3478         (Parameters::set_options): Set incremental_mode_.
3479         (Parameters::set_incremental_full): New function.
3480         (Parameters::incremental): New function.
3481         (Parameters::incremental_update): New function.
3482         (set_parameters_incremental_full): New function.
3483         * parameters.h (Parameters::set_incremental_full): New function.
3484         (Parameters::incremental): New function.
3485         (Parameters::incremental_update): New function.
3486         (Parameters::incremental_mode_): New data member.
3487         (set_parameters_incremental_full): New function.
3488         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3489         incremental link mode.
3490         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3491         (Sized_relobj::do_relocate_sections): Likewise.
3492         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3493         option.
3494         * testsuite/Makefile.in: Regenerate.
3495         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3496
3497 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3498
3499         * script-sections.h (class Script_sections): Make
3500         Sections_elements typedef public.
3501         * script-sections.cc (class Sort_output_sections): Add elements_
3502         field.  Add constructor which sets it; change all callers.
3503         (Sort_output_sections::is_before): New function.
3504         (Sort_output_sections::operator()): Call is_before.
3505         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3506         conditional.
3507         * testsuite/script_test_10.sh: New test. Test script section
3508         order.
3509         * testsuite/script_test_10.t: Likewise.
3510         * testsuite/script_test_10.s: Likewise.
3511         * testsuite/Makefile.am: Wrap the cross linker tests and the
3512         common tests into NATIVE_OR_CROSS_LINKER.
3513         (check_SCRIPTS): Add script_test_10.sh.
3514         (check_DATA): Add script_test_10.stdout.
3515         (script_test_10.o, script_test_10): New targets.
3516         (script_test_10.stdout): New target.
3517         * configure, testsuite/Makefile.in: Regenerate.
3518
3519 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3520
3521         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3522         error for the deprecated relocations.
3523         (Target_arm::Scan::global): Likewise.
3524         (Target_arm::Relocate::relocate): Likewise.
3525
3526 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3527
3528         * fileread.cc (Input_file::find_file): Initialize *found_name
3529         and *namep when using the fallback search for case 4.
3530
3531 2010-10-11  Cary Coutant  <ccoutant@google.com>
3532
3533         * options.h (class General_options): Redefine -z lazy as an alias for
3534         the negation of -z now.
3535
3536 2010-10-11  Ian Lance Taylor  <iant@google.com>
3537
3538         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3539         binding.
3540
3541 2010-10-06  Nick Clifton  <nickc@redhat.com>
3542
3543         * script-sections.cc(class Memory_region): Remove
3544         current_lma_offset_ field.  Rename current_vma_offset_ to
3545         current_offset_.  Add last_section_ field.
3546         (Memory_region::get_current_vma_address): Rename to
3547         get_current_address.
3548         (Memory_region::get_current_lma_address): Delete.
3549         (Memory_region::increment_vma_offset): Rename to
3550         increment_offset.
3551         (Memory_region::increment_lma_offset): Delete.
3552         (Memory_region::attributes_compatible): New method.  Returns
3553         true if the provided section is compatible with the region.
3554         (Memory_region::get_last_section): New method.  Returns the last
3555         section to use the region.
3556         (Memory_region::set_last_section): New method.  Stores the last
3557         section to use the region.
3558         (Script_sections::block_in_region): New method.  Returns true if
3559         a block of memory is contained within a region.
3560         (Script_sections::find_memory_region): New method.  Locates a
3561         memory region to be used to set a VMA or LMA address.
3562         (Output_section_definition::set_section_addresses): Add code to
3563         check for addresses set by memory regions.
3564         (Output_segment::set_section_addresses): Remove memory region
3565         walking code.
3566         (Script_sections::create_segment): Add a warning if a header
3567         segment is created outside of any region.
3568         * script-sections.h (class Script_sections): Add prototypes for
3569         find_memory_region and block_in_region methods.
3570         * testsuite/memory_test.s: Use .long instead of .word.
3571         * testsuite/memory_test.t: Add some more output sections.
3572         * testsuite/memory_test.sh: Update expected output.
3573
3574 2010-10-02  Doug Kwan  <dougkwan@google.com>
3575
3576         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3577         defintion to symtab.h
3578         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3579         declaration to defintion.
3580
3581 2010-10-01  Nick Clifton  <nickc@redhat.com>
3582
3583         * expression.cc (eval): Replace dummy argument with NULL.
3584         (eval_maybe_dot): Check for a NULL result section pointer.
3585         (Symbol_expression::value): Likewise.
3586         (Dot_expression::value): Likewise.
3587         (BINARY_EXPRESSION): Likewise.
3588         (Max_expression::value): Likewise.
3589         (Min_expression::value): Likewise.
3590         (Absolute_expression::value): Likewise.
3591         (Addr_expression::value_from_output_section): Likewise.
3592         (Loaddddr_expression::value_from_output_section): Likewise.
3593         (Segment_start_expression::value): Likewise.
3594         * script-sections.cc
3595         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3596         argument with NULL.
3597         (Sections_elememt_dot_assignment::set_section_addresses):
3598         Likewise.
3599         (Output_data_expression::do_write_to_buffer): Likewise.
3600         (Output_section_definition::finalize_symbols): Likewise.
3601         (Output_section_definition::set_section_addresses): Likewise.
3602
3603 2010-09-30  Doug Kwan  <dougkwan@google.com>
3604
3605         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3606
3607 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3608
3609         * target.h (Target::can_icf_inline_merge_sections): New virtual
3610         function.
3611         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3612         virtual function.
3613         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3614         virtual function.
3615         * icf.cc (get_section_contents): Inline merge sections only when
3616         target allows it.
3617
3618 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3619
3620         * configure: Regenerate.
3621
3622 2010-09-17  Ian Lance Taylor  <iant@google.com>
3623
3624         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3625         * testsuite/Makefile.am (memory_test.o): New target.
3626         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3627         memory_test.t.
3628         * testsuite/Makefile.in: Rebuild.
3629
3630 2010-09-17  Doug Kwan  <dougkwan@google.com>
3631
3632         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3633         defintion if relocation uses GOT entries of the symbol.
3634         * testsuite/icf_safe_test.sh: Fix test.
3635         * testsuite/icf_safe_so_test.sh: Fix test.
3636
3637 2010-09-16  Cary Coutant  <ccoutant@google.com>
3638
3639         * script_sections.cc (class Memory_region): Remove "NULL" from
3640         vector initializations.
3641
3642 2010-09-15  Cary Coutant  <ccoutant@google.com>
3643
3644         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3645         Resolve forwarding symbols.
3646
3647 2010-09-15  Doug Kwan  <dougkwan@google.com>
3648
3649         * gold/testsuite/script_test_3.t: Add ARM special sections.
3650         * gold/testsuite/script_test_4.t: Same.
3651         * gold/testsuite/script_test_5.t: Same.
3652         * gold/testsuite/script_test_6.t: Same.
3653         * gold/testsuite/script_test_7.t: Same.
3654         * gold/testsuite/script_test_7.t: Same.
3655         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3656
3657 2010-09-14  Cary Coutant  <ccoutant@google.com>
3658
3659         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3660         (Target_x86_64::Relocate::relocate_tls): Replace check for
3661         saw_tls_block_reloc_ with test for executable section.
3662
3663 2010-09-12  Cary Coutant  <ccoutant@google.com>
3664
3665         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3666         position-independent executables to shared libraries need dynamic
3667         relocations.
3668         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3669         position-independent executables.
3670         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3671         * testsuite/Makefile.in: Regenerate.
3672
3673 2010-09-10  Nick Clifton  <nickc@redhat.com>
3674
3675         PR gold/11997
3676         * testsuite/memory_test.t: Discard any sections that are not
3677         needed.
3678
3679 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3680
3681         PR gold/11996
3682         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3683         "This::" to work around a bug in gcc 4.2.
3684
3685         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3686
3687 2010-09-09  Rafael Espindola  <espindola@google.com>
3688
3689         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3690         sections with different PF_X flags in the same segment.
3691         (Layout::find_first_load_seg): Search all segments to find the first
3692         one.
3693         * options.h (rosegment): New.
3694
3695 2010-09-08  Rafael Espindola  <espindola@google.com>
3696
3697         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3698
3699 2010-09-08  Doug Kwan  <dougkwan@google.com>
3700
3701         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3702         (Arm_relobj::do_relocate_sections): Add new parameter for output
3703         file to match the parent.
3704         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3705         of local symbols instead of input values.  Update code to track
3706         changes in gold::relocate_section.
3707         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3708         (Sized_relobj::compute_final_local_value_internal): New methods.
3709         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3710         body into private version of Sized_relobj::compute_final_local_value.
3711         Call the inline method.
3712         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3713         merged symbol value if there is one.
3714         (Symbol_value::has_output_value): New method defintiion.
3715         (Sized_relobj::Compute_final_local_value_status): New enum type.
3716         (Sized_relobj::compute_final_local_value): New methods.
3717         (Sized_relobj::compute_final_local_value_internal): New methods.
3718         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3719         and arm_cortex_a8.sh.
3720         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3721         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3722         New tests.
3723         * Makefile.in: Regenerate.
3724         * testsuite/arm_bl_out_of_range.s: Update test.
3725         * testsuite/thumb_bl_out_of_range.s: Ditto.
3726         * testsuite/thumb_blx_out_of_range.s: Ditto.
3727         * testsuite/arm_branch_out_of_range.sh: New file.
3728         * testsuite/arm_cortex_a8.sh: Ditto.
3729         * testsuite/arm_cortex_a8_b.s: Ditto.
3730         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3731         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3732         * testsuite/arm_cortex_a8_bl.s: Ditto.
3733         * testsuite/arm_cortex_a8_blx.s: Ditto.
3734         * testsuite/arm_cortex_a8_local.s: Ditto.
3735         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3736         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3737
3738 2010-09-08  Rafael Espindola  <espindola@google.com>
3739
3740         * Makefile.am (memory_test.stdout): Run readelf with -W.
3741         * Makefile.in: Regenerate.
3742         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3743         64 bit output.
3744
3745 2010-09-08  Rafael Espindola  <espindola@google.com>
3746
3747         * script-sections.cc (Script_sections::add_memory_region): Convert
3748         field precision to int.
3749         * script.cc (script_set_section_region, script_set_section_region):
3750         Convert field precision to int.
3751
3752 2010-09-08  Rafael Espindola  <espindola@google.com>
3753
3754         * arm.cc (do_finalize_sections): Create the __exidx_start and
3755         __exdix_end symbols even when the section is missing.
3756
3757 2010-09-08  Nick Clifton  <nickc@redhat.com>
3758
3759         * README: Remove claim that MEMORY is not supported.
3760         * expression.cc (script_exp_function_origin)
3761         (script_exp_function_length): Move from here to ...
3762         * script.cc: ... here.
3763         (script_set_section_region, script_add_memory)
3764         (script_parse_memory_attr, script_include_directive): New
3765         functions.
3766         * script-sections.cc
3767         (class Memory_region): New class.
3768         (class Output_section_definition): Add set_memory_region,
3769         set_section_vma, set_section_lma and get_section_name methods.
3770         (class Script_Sections): Add add_memory_region,
3771         find_memory_region, find_memory_region_origin,
3772         find_memory_region_length and set_memory_region methods.
3773         Have set_section_addresses method walk the list of set memory
3774         regions.
3775         Extend the print methos to display memory regions.
3776         * script-sections.h: Add prototypes for new methods.
3777         Add enum for MEMORY region attributes.
3778         * yyscript.y: Add support for parsing MEMORY regions.
3779         * script-c.h: Add prototypes for new functions.
3780         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3781         * testsuite/Makefile.in: Regenerate.
3782         * testsuite/memory_test.sh: New script.
3783         * testsuite/memory_test.s: New assembler source file.
3784         * testsuite/memory_test.t: New linker script.
3785
3786 2010-08-27  Doug Kwan  <dougkwan@google.com>
3787
3788         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3789         reference override an existing dynamic weak reference.
3790         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3791         * testsuite/Makefile.in: Regenerate.
3792         * testsuite/dyn_weak_ref.sh: New file.
3793         * testsuite/dyn_weak_ref_1.c: Ditto.
3794         * testsuite/dyn_weak_ref_2.c: Ditto.
3795
3796 2010-08-27  Ian Lance Taylor  <iant@google.com>
3797
3798         * incremental.h (class Incremental_input_entry): Add virtual
3799         destructor.
3800
3801 2010-08-27  Ian Lance Taylor  <iant@google.com>
3802
3803         * testsuite/start_lib_test_3.c: Mark t3 as used.
3804
3805 2010-08-27  Nick Clifton  <nickc@redhat.com>
3806
3807         * options.cc (version_script): Fix small typo in previous
3808         whitespace tidyup.
3809
3810 2010-08-25  Nick Clifton  <nickc@redhat.com>
3811
3812         * archive.cc: Formatting fixes: Remove whitespace between
3813         typename and following asterisk.  Remove whitespace between
3814         function name and opening parenthesis.
3815         * archive.h: Likewise.
3816         * arm.cc: Likewise.
3817         * attributes.cc: Likewise.
3818         * attributes.h: Likewise.
3819         * common.cc: Likewise.
3820         * copy-relocs.cc: Likewise.
3821         * dirsearch.h: Likewise.
3822         * dynobj.cc: Likewise.
3823         * ehframe.cc: Likewise.
3824         * ehframe.h: Likewise.
3825         * expression.cc: Likewise.
3826         * fileread.cc: Likewise.
3827         * fileread.h: Likewise.
3828         * gc.h: Likewise.
3829         * gold-threads.cc: Likewise.
3830         * gold.cc: Likewise.
3831         * i386.cc: Likewise.
3832         * icf.h: Likewise.
3833         * incremental-dump.cc: Likewise.
3834         * incremental.cc: Likewise.
3835         * layout.cc: Likewise.
3836         * layout.h: Likewise.
3837         * main.cc: Likewise.
3838         * merge.cc: Likewise.
3839         * merge.h: Likewise.
3840         * object.cc: Likewise.
3841         * object.h: Likewise.
3842         * options.cc: Likewise.
3843         * options.h: Likewise.
3844         * output.cc: Likewise.
3845         * output.h: Likewise.
3846         * plugin.cc: Likewise.
3847         * plugin.h: Likewise.
3848         * powerpc.cc: Likewise.
3849         * reloc.cc: Likewise.
3850         * script-c.h: Likewise.
3851         * script-sections.cc: Likewise.
3852         * script.cc: Likewise.
3853         * stringpool.cc: Likewise.
3854         * symtab.cc: Likewise.
3855         * symtab.h: Likewise.
3856         * target.cc: Likewise.
3857         * timer.cc: Likewise.
3858         * timer.h: Likewise.
3859         * version.cc: Likewise.
3860         * x86_64.cc: Likewise.
3861
3862 2010-08-24  Nick Clifton  <nickc@redhat.com>
3863
3864         PR 11899
3865         * layout.cc (segment_precedes): Sort segments by their physical
3866         addresses, if they have been set.
3867
3868 2010-08-23  Cary Coutant  <ccoutant@google.com>
3869
3870         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3871         symbols data.
3872         (Lib_group::include_member): Unlock object after deleting its
3873         symbols data.
3874         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3875         the bug fixed here.
3876
3877 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3878             Cary Coutant  <ccoutant@google.com>
3879
3880         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3881         constructor, and set_blocker.
3882         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3883         readsyms_blocker_.
3884         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3885         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3886         * testsuite/Makefile.am (start_lib_test): New test case.
3887         * testsuite/Makefile.in: Regenerate.
3888         * testsuite/start_lib_test_main.c: New file.
3889         * testsuite/start_lib_test_1.c: New file.
3890         * testsuite/start_lib_test_2.c: New file.
3891         * testsuite/start_lib_test_3.c: New file.
3892
3893 2010-08-19  Ian Lance Taylor  <iant@google.com>
3894
3895         * Makefile.in: Rebuild with automake 1.11.1.
3896         * aclocal.m4: Likewise.
3897         * testsuite/Makefile.in: Likewise.
3898
3899 2010-08-19  Ian Lance Taylor  <iant@google.com>
3900
3901         PR 10893
3902         * i386.cc (class Output_data_plt_i386): Update declarations.
3903         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3904         local_ifuncs_ fields.
3905         (Target_i386::do_plt_section_for_global): New function.
3906         (Target_i386::do_plt_section_for_local): New function.
3907         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3908         parameter; change all callers.  Initialize global_ifuncs_ and
3909         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3910         __rel_iplt_end.
3911         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3912         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3913         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3914         symbols.
3915         (Target_i386::make_plt_section): New function, broken out of
3916         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3917         (Target_i386::make_plt_entry): Call make_plt_section.
3918         (Target_i386::make_local_ifunc_plt_entry): New function.
3919         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3920         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3921         R_386_IRELATIVE to switch.
3922         (Target_i386::Scan::global): Likewise.
3923         (Target_i386::Relocate::relocate): Likewise.
3924         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3925         switch.
3926         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3927         (Target_x86_64::do_plt_section_for_global): New function.
3928         (Target_x86_64::do_plt_section_for_local): New function.
3929         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3930         parameter; change all callers.  If doing a static link define
3931         __rela_iplt_start and __rela_iplt_end.
3932         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3933         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3934         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3935         to point to .plt.
3936         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3937         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3938         switch.
3939         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3940         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3941         R_X86_64_IRELATIVE to switch.
3942         (Target_x86_64::Scan::global): Likewise.
3943         (Target_x86_64::Relocate::relocate): Likewise.
3944         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3945         switch.
3946         * target.h (class Target): Add plt_section_for_global and
3947         plt_section_for_local functions.  Add do_plt_section_for_global
3948         and do_plt_section_for_local virtual functions.
3949         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3950         clarifying comments.
3951         (Symbol::use_plt_offset): Handle IFUNC symbol.
3952         * object.cc (Sized_relobj::Sized_relobj): Initialize
3953         local_plt_offsets_.
3954         (Sized_relobj::local_has_plt_offset): New function.
3955         (Sized_relobj::local_plt_offset): New function.
3956         (Sized_relobj::set_local_plt_offset): New function.
3957         (Sized_relobj::do_count): Handle IFUNC symbol.
3958         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3959         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3960         is_ifunc_symbol functions.
3961         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3962         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3963         local_plt_offsets_ field.
3964         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3965         * output.h (class Output_section_data): Add non-const
3966         output_section function.
3967         (class Output_data_got): Update declarations.
3968         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3969         Add use_plt_offset parameter to global and local constructors.
3970         Change all callers.  Change local_sym_index_ field to 31 bits.
3971         Change GSYM_CODE and CONSTANT_CODE accordingly.
3972         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3973         doing a static link don't set sh_link field.
3974         (Output_data_got::Got_entry::write): Use PLT offset if
3975         appropriate.
3976         (Output_data_got::add_global_plt): New function.
3977         (Output_data_got::add_local_plt): New function.
3978         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3979         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3980         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3981         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3982         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3983         IFUNC conditional.
3984         * testsuite/ifunc-sel.h: New file.
3985         * testsuite/ifuncmain1.c: New file.
3986         * testsuite/ifuncmain1vis.c: New file.
3987         * testsuite/ifuncmod1.c: New file.
3988         * testsuite/ifuncdep2.c: New file.
3989         * testsuite/ifuncmain2.c: New file.
3990         * testsuite/ifuncmain3.c: New file.
3991         * testsuite/ifuncmod3.c: New file.
3992         * testsuite/ifuncmain4.c: New file.
3993         * testsuite/ifuncmain5.c: New file.
3994         * testsuite/ifuncmod5.c: New file.
3995         * testsuite/ifuncmain6pie.c: New file.
3996         * testsuite/ifuncmod6.c: New file.
3997         * testsuite/ifuncmain7.c: New file.
3998         * configure, testsuite/Makefile.in: Rebuild.
3999
4000 2010-08-18  Ian Lance Taylor  <iant@google.com>
4001
4002         * incremental.cc
4003         (Output_section_incremental_inputs::write_input_files): Add cast
4004         to avoid signed/unsigned comparison warning.
4005         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4006
4007 2010-08-12  Cary Coutant  <ccoutant@google.com>
4008
4009         * common.cc (Sort_commons::operator()): Remove unnecessary code.
4010
4011 2010-08-13  Ian Lance Taylor  <iant@google.com>
4012
4013         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
4014
4015 2010-08-12  Cary Coutant  <ccoutant@google.com>
4016             Doug Kwan  <dougkwan@google.com>
4017
4018         * resolve.cc (Symbol_table::should_override): When a weak dynamic
4019         defintion overrides non-weak undef, remember that the original undef
4020         is not weak.
4021         * symtab.cc (Symbol_table::sized_write_global): For undef without
4022         an original weak binding, set binding to global in output.
4023         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
4024         * testsuite/Makefile.in: Regenerate.
4025         * testsuite/strong_ref_weak_def.sh: New file.
4026         * testsuite/strong_ref_weak_def_1.c: Ditto.
4027         * testsuite/strong_ref_weak_def_2.c: Ditto.
4028
4029 2010-08-12  Cary Coutant  <ccoutant@google.com>
4030
4031         * testsuite/incremental_test.sh: Rewrite.
4032         * testsuite/incremental_test_1.c: Rewrite.
4033         * testsuite/incremental_test_2.c: Rewrite.
4034
4035 2010-08-12  Cary Coutant  <ccoutant@google.com>
4036
4037         * arm.cc (Target_arm::got_size): Add const.
4038         (Target_arm::got_entry_count): New function.
4039         (Target_arm::plt_entry_count): New function.
4040         (Target_arm::first_plt_entry_offset): New function.
4041         (Target_arm::plt_entry_size): New function.
4042         (Output_data_plt_arm::entry_count): New function.
4043         (Output_data_plt_arm::first_plt_entry_offset): New function.
4044         (Output_data_plt_arm::get_plt_entry_size): New function.
4045         * i386.cc (Target_i386::got_size): Add const.
4046         (Target_i386::got_entry_count): New function.
4047         (Target_i386::plt_entry_count): New function.
4048         (Target_i386::first_plt_entry_offset): New function.
4049         (Target_i386::plt_entry_size): New function.
4050         (Output_data_plt_i386::entry_count): New function.
4051         (Output_data_plt_i386::first_plt_entry_offset): New function.
4052         (Output_data_plt_i386::get_plt_entry_size): New function.
4053         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
4054         find_incremental_inputs_sections.  Dump incremental_got_plt section.
4055         * incremental.cc: Include target.h.
4056         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
4057         parameter.  Adjust all callers.  Find incremental_got_plt section.
4058         (Incremental_inputs::create_data_sections): Create incremental_got_plt
4059         section.
4060         (Output_section_incremental_inputs::set_final_data_size): Calculate
4061         size of incremental_got_plt section.
4062         (Output_section_incremental_inputs::do_write): Write the
4063         incremental_got_plt section.
4064         (Got_plt_view_info): New struct.
4065         (Local_got_offset_visitor): New class.
4066         (Global_got_offset_visitor): New class.
4067         (Global_symbol_visitor_got_plt): New class.
4068         (Output_section_incremental_inputs::write_got_plt): New function.
4069         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
4070         Add parameter.  Adjust all callers.
4071         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4072         (Incremental_inputs::got_plt_section): New function.
4073         (Incremental_inputs::got_plt_section_): New data member.
4074         (Incremental_got_plt_reader): New class.
4075         * layout.cc (Layout::create_incremental_info_sections): Add the
4076         incremental_got_plt section.
4077         * object.h (Got_offset_list::get_list): New function.
4078         (Got offset_list::for_all_got_offsets): New function.
4079         (Sized_relobj::local_got_offset_list): New function.
4080         * powerpc.cc (Target_powerpc::got_size): Add const.
4081         (Target_powerpc::got_entry_count): New function.
4082         (Target_powerpc::plt_entry_count): New function.
4083         (Target_powerpc::first_plt_entry_offset): New function.
4084         (Target_powerpc::plt_entry_size): New function.
4085         (Output_data_plt_powerpc::entry_count): New function.
4086         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
4087         (Output_data_plt_powerpc::get_plt_entry_size): New function.
4088         * sparc.cc (Target_sparc::got_size): Add const.
4089         (Target_sparc::got_entry_count): New function.
4090         (Target_sparc::plt_entry_count): New function.
4091         (Target_sparc::first_plt_entry_offset): New function.
4092         (Target_sparc::plt_entry_size): New function.
4093         (Output_data_plt_sparc::entry_count): New function.
4094         (Output_data_plt_sparc::first_plt_entry_offset): New function.
4095         (Output_data_plt_sparc::get_plt_entry_size): New function.
4096         * symtab.h (Symbol::got_offset_list): New function.
4097         (Symbol_table::for_all_symbols): New function.
4098         * target.h (Sized_target::got_entry_count): New function.
4099         (Sized_target::plt_entry_count): New function.
4100         (Sized_target::plt_entry_size): New function.
4101         * x86_64.cc (Target_x86_64::got_size): Add const.
4102         (Target_x86_64::got_entry_count): New function.
4103         (Target_x86_64::plt_entry_count): New function.
4104         (Target_x86_64::first_plt_entry_offset): New function.
4105         (Target_x86_64::plt_entry_size): New function.
4106         (Output_data_plt_x86_64::entry_count): New function.
4107         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
4108         (Output_data_plt_x86_64::get_plt_entry_size): New function.
4109
4110 2010-08-12  Cary Coutant  <ccoutant@google.com>
4111
4112         * archive.cc: Include incremental.h.
4113         (Archive::Archive): Initialize incremental_info_.
4114         (Archive::include_member): Record archive members in incremental info.
4115         (Add_archive_symbols::run): Record begin and end of an archive in
4116         incremental info.
4117         (Lib_group::include_member): Record objects in incremental info.
4118         * archive.h (Incremental_archive_entry): Forward declaration.
4119         (Archive::set_incremental_info): New member function.
4120         (Archive::incremental_info): New member function.
4121         (Archive::Unused_symbol_iterator): New class.
4122         (Archive::unused_symbols_begin): New member function.
4123         (Archive::unused_symbols_end): New member function.
4124         (Archive::incremental_info_): New data member.
4125         * incremental-dump.cc (find_input_containing_global): New function.
4126         (dump_incremental_inputs): Dump new incremental info sections.
4127         * incremental.cc: Include symtab.h.
4128         (Output_section_incremental_inputs): New class.
4129         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
4130         new incremental info sections.
4131         (Sized_incremental_binary::do_check_inputs): Likewise.
4132         (Incremental_inputs::report_archive): Remove.
4133         (Incremental_inputs::report_archive_begin): New function.
4134         (Incremental_inputs::report_archive_end): New function.
4135         (Incremental_inputs::report_object): New function.
4136         (Incremental_inputs::finalize_inputs): Remove.
4137         (Incremental_inputs::report_input_section): New function.
4138         (Incremental_inputs::report_script): Rewrite.
4139         (Incremental_inputs::finalize): Do nothing but finalize string table.
4140         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4141         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4142         (Incremental_inputs::create_data_sections): New function.
4143         (Incremental_inputs::relocs_entsize): New function.
4144         (Output_section_incremental_inputs::set_final_data_size): New function.
4145         (Output_section_incremental_inputs::do_write): New function.
4146         (Output_section_incremental_inputs::write_header): New function.
4147         (Output_section_incremental_inputs::write_input_files): New function.
4148         (Output_section_incremental_inputs::write_info_blocks): New function.
4149         (Output_section_incremental_inputs::write_symtab): New function.
4150         * incremental.h (Incremental_script_entry): Forward declaration.
4151         (Incremental_object_entry): Forward declaration.
4152         (Incremental_archive_entry): Forward declaration.
4153         (Incremental_inputs): Forward declaration.
4154         (Incremental_inputs_header_data): Remove.
4155         (Incremental_inputs_header): Remove.
4156         (Incremental_inputs_header_write): Remove.
4157         (Incremental_inputs_entry_data): Remove.
4158         (Incremental_inputs_entry): Remove.
4159         (Incremental_inputs_entry_write): Remove.
4160         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
4161         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
4162         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4163         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
4164         Likewise.
4165         (Incremental_input_entry): New class.
4166         (Incremental_script_entry): New class.
4167         (Incremental_object_entry): New class.
4168         (Incremental_archive_entry): New class.
4169         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4170         (Incremental_inputs::report_inputs): Remove.
4171         (Incremental_inputs::report_archive): Remove.
4172         (Incremental_inputs::report_archive_begin): New function.
4173         (Incremental_inputs::report_archive_end): New function.
4174         (Incremental_inputs::report_object): Change prototype.
4175         (Incremental_inputs::report_input_section): New function.
4176         (Incremental_inputs::report_script): Change prototype.
4177         (Incremental_inputs::get_reloc_count): New function.
4178         (Incremental_inputs::set_reloc_count): New function.
4179         (Incremental_inputs::create_data_sections): New function.
4180         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4181         (Incremental_inputs::inputs_section): New function.
4182         (Incremental_inputs::symtab_section): New function.
4183         (Incremental_inputs::relocs_section): New function.
4184         (Incremental_inputs::get_stringpool): Add const.
4185         (Incremental_inputs::command_line): Add const.
4186         (Incremental_inputs::inputs): Remove.
4187         (Incremental_inputs::command_line_key): New function.
4188         (Incremental_inputs::input_file_count): New function.
4189         (Incremental_inputs::input_files): New function.
4190         (Incremental_inputs::relocs_entsize): New function.
4191         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4192         (Incremental_inputs::finalize_inputs): Remove.
4193         (Incremental_inputs::Input_info): Remove.
4194         (Incremental_inputs::lock_): Remove.
4195         (Incremental_inputs::inputs_): Change type.
4196         (Incremental_inputs::inputs_map_): Remove.
4197         (Incremental_inputs::current_object_entry_): New data member.
4198         (Incremental_inputs::inputs_section_): New data member.
4199         (Incremental_inputs::symtab_section_): New data member.
4200         (Incremental_inputs::relocs_section_): New data member.
4201         (Incremental_inputs::reloc_count_): New data member.
4202         (Incremental_inputs_reader): New class.
4203         (Incremental_symtab_reader): New class.
4204         (Incremental_relocs_reader): New class.
4205         * layout.cc (Layout::finalize): Move finalization of incremental info
4206         and creation of incremental info sections to follow finalization of
4207         symbol table.  Set offsets for postprocessing sections.
4208         (Layout::create_incremental_info_sections): Call
4209         Incremental_inputs::create_data_sections.  Add incremental symtab
4210         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4211         sections to layout after input sections.
4212         * layout.h (struct Timespec): Forward declaration.
4213         (Layout::incremental_inputs): Add const.
4214         (Layout::create_incremental_info_sections): Add parameter.
4215         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4216         * object.cc: Include incremental.h.
4217         (Relobj::finalize_incremental_relocs): New function.
4218         (Sized_relobj::do_layout): Record input sections in incremental info.
4219         * object.h (Object::output_section): New function.
4220         (Object::output_section_offset): Moved from Relobj.
4221         (Object::get_incremental_reloc_base): New function.
4222         (Object::get_incremental_reloc_count): New function.
4223         (Object::do_output_section): New function.
4224         (Object::do_output_section_offset): Moved from Relobj.
4225         (Object::do_get_incremental_reloc_base): New function.
4226         (Object::do_get_incremental_reloc_count): New function.
4227         (Object::Object): Initialize new data members.
4228         (Relobj::output_section): Renamed do_output_section and moved to
4229         protected.
4230         (Relobj::output_section_offset): Moved to Object.
4231         (Relobj::do_get_incremental_reloc_base): New function.
4232         (Relobj::do_get_incremental_reloc_count): New function.
4233         (Relobj::allocate_incremental_reloc_counts): New function.
4234         (Relobj::count_incremental_reloc): New function.
4235         (Relobj::finalize_incremental_relocs): New function.
4236         (Relobj::next_incremental_reloc_index): New function.
4237         (Relobj::reloc_counts_): New data member.
4238         (Relobj::reloc_bases_): New data member.
4239         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4240         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4241         (Sized_relobj::incremental_relocs_scan): New function.
4242         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4243         (Sized_relobj::incremental_relocs_write): New function.
4244         (Sized_relobj::incremental_relocs_write_reltype): New function.
4245         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4246         incremental link.
4247         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4248         archives and object files elsewhere.
4249         (Add_symbols::run): Report object files here.
4250         (Finish_group::run): Report end of archive at end of group.
4251         * reloc.cc: Include layout.h, incremental.h.
4252         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4253         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4254         (Sized_relobj::incremental_relocs_scan): New function.
4255         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4256         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4257         (Sized_relobj::incremental_relocs_write): New function.
4258         (Sized_relobj::incremental_relocs_write_reltype): New function.
4259         * script.cc (read_input_script): Rewrite test for incremental link.
4260         Change call to Incremental_inputs::report_script.
4261         * symtab.h (Symbol_table::first_global_index): New function.
4262         (Symbol_table::output_count): New function.
4263
4264 2010-08-12  Doug Kwan  <dougkwan@google.com>
4265
4266         * arm.cc (Target_arm::merge_object_attributes): Check command line
4267         options --no-wchar-size-warning and --no-enum-size-warning.
4268         * options.h (General_options): Add ld-compatible options
4269         --no-enum-size-warning and --no-wchar-size-warning.
4270
4271 2010-08-04  Ian Lance Taylor  <iant@google.com>
4272
4273         * x86_64.cc (Target_x86_64::Scan::local): Use
4274         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4275         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4276         (Target_x86_64::Scan::global): Likewise.
4277         (Target_x86_64::Relocate::relocate): Likewise.
4278         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4279         Likewise.
4280
4281 2010-08-03  Cary Coutant  <ccoutant@google.com>
4282
4283         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4284         to reserve space in merged_strings vector. Keep total input size
4285         for stats.
4286         (Output_merge_string::do_print_merge_stats): Print total input size.
4287         * merge.h (Output_merge_string): Add input_size_ field.
4288         * stringpool.cc (Stringpool_template::string_length): Move
4289         implementations out of Stringpool_template class and place in
4290         stringpool.h.
4291         * stringpool.h (string_length): Move out of Stringpool_template.
4292
4293 2010-08-03  Ian Lance Taylor  <iant@google.com>
4294
4295         PR 11712
4296         * layout.cc (relaxation_loop_body): If address of load segment is
4297         set, adjust address to include headers if possible.
4298
4299 2010-08-03  Ian Lance Taylor  <iant@google.com>
4300
4301         * version.cc (version_string): Bump to 1.10.
4302
4303 2010-08-03  Ian Lance Taylor  <iant@google.com>
4304
4305         PR 11805
4306         * layout.h (enum Output_section_order): Define.
4307         (class Layout): Update declarations.
4308         * layout.cc (Layout::get_output_section): Add order parameter.
4309         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4310         is_first_non_relro parameters.  Change all callers.
4311         (Layout::choose_output_section): Likewise.
4312         (Layout::add_output_section_data): Likewise.
4313         (Layout::make_output_section): Likewise.  Set order.
4314         (Layout::default_section_order): New function.
4315         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4316         * output.cc (Output_section::Output_section): Initialize order_.
4317         Don't initialize deleted fields.
4318         (Output_segment::Output_segment): Don't initialize deleted
4319         fields.
4320         (Output_segment::add_output_section_to_load): New function
4321         replacing add_output_section.  Change all callers to call this or
4322         add_output_section_to_nonload.
4323         (Output_segment::add_output_section_to_nonload): New function.
4324         (Output_segment::remove_output_section): Rewrite.
4325         (Output_segment::add_initial_output_data): Likewise.
4326         (Output_segment::has_any_data_sections): Likewise.
4327         (Output_segment::is_first_section_relro): Likewise.
4328         (Output_segment::maximum_alignment): Likewise.
4329         (Output_segment::has_dynamic_reloc): New function replacing
4330         dynamic_reloc_count.  Change all callers.
4331         (Output_segment::has_dynamic_reloc_list): New function replacing
4332         dynamic_reloc_count_list.  Change all callers.
4333         (Output_segment::set_section_addresses): Rewrite.
4334         (Output_segment::set_offset): Rewrite.
4335         (Output_segment::find_first_and_last_list): Remove.
4336         (Output_segment::set_tls_offsets): Rewrite.
4337         (Output_segment::first_section_load_address): Likewise.
4338         (Output_segment::output_section_count): Likewise.
4339         (Output_segment::section_with_lowest_load_address): Likewise.
4340         (Output_segment::write_section_headers): Likewise.
4341         (Output_segment::print_sections_to_map): Likewise.
4342         * output.h (class Output_data): Remove dynamic_reloc_count_
4343         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4344         (Output_data::add_dynamic_reloc): Rewrite.
4345         (Output_data::has_dynamic_reloc): New function.
4346         (Output_data::dynamic_reloc_count): Remove.
4347         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4348         is_last_relro_, is_first_non_relro_, is_interp_,
4349         is_dynamic_linker_section_ fields.  Add order and set_order
4350         functions.  Remove is_relro_local, set_is_relro_local,
4351         is_last_relro, set_is_last_relro, is_first_non_relro,
4352         set_is_first_non_relro functions, is_interp, set_is_interp,
4353         is_dynamic_linker_section, and set_is_dynamic_linker_section
4354         functions.
4355         (class Output_segment): Change Output_data_list from std::list to
4356         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4357         output_bss_ fields.  Update declarations.
4358
4359 2010-08-02  Ian Lance Taylor  <iant@google.com>
4360
4361         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4362         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4363         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4364
4365 2010-08-02  Ian Lance Taylor  <iant@google.com>
4366
4367         PR 11855
4368         * script.cc (Script_options::Script_options): Initialize
4369         symbol_definitions_ and symbol_references_.
4370         (Script_options::add_symbol_assignment): Update
4371         symbol_definitions_ and symbol_references_.
4372         (Script_options::add_symbol_reference): New function.
4373         (script_symbol): New function.
4374         * script.h (class Script_options): Add symbol_definitions_ and
4375         symbol_references_ fields.
4376         (Script_options::referenced_const_iterator): New type.
4377         (Script_options::referenced_begin): New function.
4378         (Script_options::referenced_end): New function.
4379         (Script_options::is_referenced): New function.
4380         (Script_options::any_unreferenced): New function.
4381         * script-c.h (script_symbol): Declare.
4382         * yyscript.y (exp): Call script_symbol.
4383         * symtab.cc: Include "script.h".
4384         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4385         Change all callers.  Check symbols referenced by scripts.
4386         (Symbol_table::add_undefined_symbols_from_command_line): Add
4387         layout parameter.  Change all callers.
4388         (Symbol_table::do_add_undefined_symbols_from_command_line):
4389         Likewise.  Break out loop body.  Check symbols referenced by
4390         scripts.
4391         (Symbol_table::add_undefined_symbol_from_command_line): New
4392         function broken out of
4393         do_add_undefined_symbols_from_command_line.
4394         * symtab.h (class Symbol_table): Update declarations.
4395         * archive.cc: Include "layout.h".
4396         (Archive::should_include_member): Add layout parameter.  Change
4397         all callers.  Check for symbol mentioned in expression.
4398         * archive.h (class Archive): Update declaration.
4399         * object.cc (Sized_relobj::do_should_include_member): Add layout
4400         parameter.
4401         * object.h (Object::should_include_member): Add layout parameter.
4402         Change all callers.
4403         (Object::do_should_include_member): Add layout parameter.
4404         (class Sized_relobj): Update declaration.
4405         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4406         parameter.
4407         * dynobj.h (class Sized_dynobj): Update declaration.
4408         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4409         layout parameter.
4410         * plugin.h (class Sized_pluginobj): Update declaration.
4411
4412 2010-08-02  Ian Lance Taylor  <iant@google.com>
4413
4414         PR 11866
4415         * output.cc (Output_segment::set_offset): Search for the first and
4416         last sections rather than assuming that the list is in order.
4417         (Output_segment::find_first_and_last_list): New function.
4418         * output.h (class Output_segment): Update declarations.
4419         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4420         (relro_strip_test_SOURCES): New variable.
4421         (relro_strip_test_DEPENDENCIES): New variable.
4422         (relro_strip_test_LDFLAGS): New variable.
4423         (relro_strip_test_LDADD): New variable.
4424         (relro_strip_test.so): New target.
4425
4426 2010-08-02  Ian Lance Taylor  <iant@google.com>
4427
4428         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4429         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4430         (Target_i386::got_tlsdesc_section): New function.
4431         (Target_i386::got_section): Create space for GOT entries for
4432         TLSDESC relocations.
4433         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4434         R_386_TLS_GOTDESC.
4435         (Target_i386::Scan::global): Likewise.
4436         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4437         using TLSDESC GOT.
4438         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4439         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4440         (Target_x86_64::got_tlsdesc_section): New function.
4441         (Target_x86_64::got_section): Create space for GOT entries for
4442         TLSDESC relocations.
4443         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4444         R_386_TLS_GOTDESC.
4445         (Target_x86_64::Scan::global): Likewise.
4446         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4447         using TLSDESC GOT.
4448
4449 2010-08-02  Ian Lance Taylor  <iant@google.com>
4450
4451         * testsuite/final_layout.sh: Use dc to convert from hex to
4452         decimal.
4453
4454 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4455
4456         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4457         paramter to the call to gold::gc_process_relocs.
4458         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4459         paramter to the call to gold::gc_process_relocs.
4460         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4461         parameter to the call to gold::gc_process_relocs.
4462         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4463         template parameter to the call to gold::gc_process_relocs.
4464         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4465         paramter to the call to gold::gc_process_relocs.
4466         * gc.h (get_embedded_addend_size): New function.
4467         (gc_process_relocs): Save the size of the reloc for use by ICF.
4468         * icf.cc (get_section_contents): Get the addend from the text section
4469         for SHT_REL relocation sections.
4470         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4471         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4472         * int_encoding.h (read_from_pointer): New overloaded function.
4473         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4474         * testsuite/icf_sht_rel_addend_test.sh: New file.
4475         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4476         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4477
4478 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4479
4480         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4481         * Makefile.in: Regenerate.
4482         * testsuite/Makefile.in: Regenerate.
4483
4484 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4485
4486         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4487         * gold/testsuite/debug_msg.cc: Likewise.
4488         * gold/testsuite/odr_violation1.cc
4489         * gold/testsuite/odr_violation2.cc
4490
4491 2010-07-21  Cary Coutant  <ccoutant@google.com>
4492
4493         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4494         string, and length fields.
4495         (Output_merge_string::Merged_strings_list): New type.
4496         (Output_merge_string::Merged_strings_lists): New typedef.
4497         (Output_merge_string): Replace merged_strings_ with
4498         merged_strings_lists_.
4499         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4500         Merged_strings_list per input object and section.  Don't store pointer
4501         to the string.  Don't store length with each merged string entry.
4502         (Output_merge_string::finalize_merged_data): Loop over list of merged
4503         strings lists.  Recompute length of each merged string.
4504
4505 2010-07-15  Cary Coutant  <ccoutant@google.com>
4506
4507         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4508         here.
4509
4510 2010-07-14  Ian Lance Taylor  <iant@google.com>
4511
4512         * descriptors.cc (Descriptors::open): Report correct name in error
4513         message.
4514
4515 2010-07-13  Doug Kwan  <dougkwan@google.com>
4516
4517         * arm.cc (Arm_input_section::Arm_input_section): For a
4518         SHT_ARM_EXIDX section, always keeps the input sections.
4519         (Arm_input_section::set_exidx_section_link): New method.
4520         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4521         has_errors_ to false.
4522         (Arm_exidx_input_section::has_errors,
4523         Arm_exidx_input_section::set_has_errors): New methods.
4524         (Arm_exidx_input_section::has_errors_): New data member.
4525         (Arm_relobj::get_exidx_shndx_list): New method.
4526         (Arm_output_section::append_text_sections_to_list): Do not skip
4527         section without SHF_EXECINSTR.
4528         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4529         errors.
4530         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4531         section header.  Make error messages more verbose.  Check for
4532         a non-executable section linked to an EXIDX section.
4533         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4534         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4535         check that there is no deferred EXIDX section if we exit early.
4536         Instead of not making an EXIDX section in case of an error, make one
4537         and set the has_errors flag of it.
4538         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4539         in a relocatable link.
4540         (Target_arm::do_relax): Look for the EXIDX output section instead of
4541         assuming that it is called .ARM.exidx.
4542         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4543         section list.  Do not check for SHF_EXECINSTR section flags but
4544         skip any input section with errors.
4545         * output.cc (Output_section::Output_section): Initialize
4546         always_keeps_input_sections_ to false.
4547         (Output_section::add_input_section): Check for
4548         always_keeps_input_sections_.
4549         *  output.h (Output_section::always_keeps_input_sections,
4550         Output_section::set_always_keeps_input_sections): New methods.
4551         (Output_section::always_keeps_input_sections): New data member.
4552
4553 2010-07-13  Rafael Espindola  <espindola@google.com>
4554
4555         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4556         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4557
4558 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4559             Ian Lance Taylor  <iant@google.com>
4560
4561         * output.h (Output_section_lookup_maps::add_merge_section):
4562         Correct check of whether value was inserted.
4563         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4564         (Output_section_lookup_maps::add_relaxed_input_section):
4565         Likewise.
4566         * arm.cc (Target_arm::got_section): Remove used local os.
4567         * i386.cc (Target_i386::got_section): Likewise.
4568         * x86_64.cc (Target_x86_64::got_section): Likewise.
4569         * sparc.cc (Target_sparc::got_section): Likewise.
4570         (Target_sparc::relocate): Remove unused local have_got_offset.
4571         * powerpc.cc (Target_powerpc::relocate): Likewise.
4572
4573 2010-07-13  Ian Lance Taylor  <iant@google.com>
4574
4575         * compressed_output.cc (zlib_decompress): Fix signature in
4576         !HAVE_ZLIB_H case.
4577
4578         * archive.cc (Archive::include_member): Unlock an external member
4579         of a thin archive.  Don't bother to delete an object we know is
4580         NULL.
4581
4582 2010-07-12  Cary Coutant  <ccoutant@google.com>
4583
4584         * compressed_output.cc (zlib_decompress): New function.
4585         (get_uncompressed_size): New function.
4586         (decompress_input_section): New function.
4587         * compressed_output.h (get_uncompressed_size): New function.
4588         (decompress_input_section): New function.
4589         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4590         Handle compressed debug sections.
4591         * layout.cc (is_compressed_debug_section): New function.
4592         (Layout::output_section_name): Map compressed section names to
4593         canonical names.
4594         * layout.h (is_compressed_debug_section): New function.
4595         (is_debug_info_section): Recognize compressed debug sections.
4596         * merge.cc: Include compressed_output.h.
4597         (Output_merge_data::do_add_input_section): Handle compressed
4598         debug sections.
4599         (Output_merge_string::do_add_input_section): Handle compressed
4600         debug sections.
4601         * object.cc: Include compressed_output.h.
4602         (Sized_relobj::Sized_relobj): Initialize new data members.
4603         (build_compressed_section_map): New function.
4604         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4605         * object.h (Object::section_is_compressed): New method.
4606         (Object::do_section_is_compressed): New method.
4607         (Sized_relobj::Compressed_section_map): New type.
4608         (Sized_relobj::do_section_is_compressed): New method.
4609         (Sized_relobj::compressed_sections_): New data member.
4610         * output.cc (Output_section::add_input_section): Handle compressed
4611         debug sections.
4612         * reloc.cc: Include compressed_output.h.
4613         (Sized_relobj::write_sections): Handle compressed debug sections.
4614
4615 2010-07-08  Cary Coutant  <ccoutant@google.com>
4616
4617         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4618         weak when resolving to a dynamic def.
4619         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4620         for weak undef/dynamic def cases. Adjust callers.
4621         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4622         undef_binding_weak_.
4623         (Symbol_table::sized_write_globals): Adjust symbol binding.
4624         (Symbol_table::sized_write_symbol): Add binding parameter.
4625         * symtab.h (Symbol::set_undef_binding): New method.
4626         (Symbol::is_undef_binding_weak): New method.
4627         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4628         (Symbol_table::should_override): Add new parameter.
4629         (Symbol_table::sized_write_symbol): Add new parameter.
4630
4631         * testsuite/weak_undef_file1.cc: Add new test case.
4632         * testsuite/weak_undef_file2.cc: Fix header comment.
4633         * testsuite/weak_undef_test.cc: Add new test case.
4634
4635 2010-06-29  Doug Kwan  <dougkwan@google.com>
4636
4637         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4638         Initialize USE_SYMBOL_.
4639         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4640         definition.
4641         (Arm_reloc_property::uses_symbol_): New data member declaration.
4642         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4643         uses symbol value and symbol is undefined but not weakly undefined.
4644
4645 2010-06-28  Rafael Espindola  <espindola@google.com>
4646
4647         * plugin.cc (Plugin::load): Use dlerror.
4648
4649 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4650
4651         * symtab.cc (detect_odr_violations): When reporting an ODR
4652         violation, report an object where the symbol is defined.
4653
4654 2010-06-25  Doug Kwan  <dougkwan@google.com>
4655
4656         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4657         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4658         definition.
4659         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4660         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4661         target hook to detect function points.
4662         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4663         * icf.h (Icf::check_section_for_function_pointers): Change type of
4664         parameter SECTION_NAME to const reference to std::string.  Use
4665         target hook to determine if section may have unsafe pointers.
4666         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4667         method definition.
4668
4669 2010-06-21  Rafael Espindola  <espindola@google.com>
4670
4671         * fileread.cc (Input_file::find_fie): New
4672         (Input_file::open): Use Input_file::find_fie.
4673         * fileread.h (Input_file::find_fie): New
4674         * plugin.cc (set_extra_library_path): New.
4675         (Plugin::load): Add set_extra_library_path to the transfer vector.
4676         (Plugin_manager::set_extra_library_path): New.
4677         (Plugin_manager::add_input_file): Use the extra search path if set.
4678         (set_extra_library_path(): New.
4679         * plugin.h (Plugin_manager): Add set_extra_library_path and
4680         extra_search_path_.
4681
4682 2010-06-19  Cary Coutant  <ccoutant@google.com>
4683
4684         * layout.cc (gdb_sections): Add .debug_types.
4685         (lines_only_debug_sections): Likewise.
4686
4687 2010-06-18  Rafael Espindola  <espindola@google.com>
4688
4689         * plugin.cc (add_input_file,add_input_library)
4690         (Plugin_manager::add_input_file): Make filename arguments const.
4691         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4692         const.
4693
4694 2010-06-16  Doug Kwan  <dougkwan@google.com>
4695
4696         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4697         .ARM.attributes section if we have not merged any input
4698         attributes sections.
4699
4700 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4701
4702         * arm.cc: Allow combining objects with no EABI version
4703         information.
4704
4705 2010-06-15  Rafael Espindola  <espindola@google.com>
4706
4707         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4708
4709 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4710
4711         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4712         (struct iovec): Correct !HAVE_READV definition.
4713
4714 2010-06-10  Cary Coutant  <ccoutant@google.com>
4715
4716         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4717         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4718         reloc sections.
4719         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4720
4721         PR 11683
4722         * symtab.h (Symbol::is_placeholder): New member function.
4723         * target-reloc.h (relocate_section): Check for placeholder symbols.
4724
4725         * testsuite/Makefile.am (plugin_test_8): New test.
4726         (plugin_test_9): New test.
4727         * testsuite/Makefile.in: Regenerate.
4728
4729 2010-06-09  Nick Clifton  <nickc@redhat.com>
4730
4731         * yyscript.y (input_list_element): Allow strings prefixed with
4732         the '-' character.  Treat these as libraries.
4733         * script.cc (script_add_library): New function.  Adds a library
4734         specified by "-l<name>" found in an input script.
4735         * script-c.h: Add prototype for script_add_library.
4736
4737 2010-06-07  Doug Kwan  <dougkwan@google.com>
4738
4739         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4740         Restrict stub-group size to be within long conditional branch
4741         range when working around cortex-A8 erratum.
4742
4743 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4744
4745         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4746         #ifdef typo.
4747
4748 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4749
4750         PR gold/11658
4751         * output.cc
4752         (Output_section::Input_section_sort_entry::compare_section_ordering):
4753         Change to return non-zero correctly.
4754         (Output_section::Input_section_sort_section_order_index_compare
4755         ::operator()): Change to fix ambiguity in comparisons.
4756
4757 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4758
4759         * gold.h (is_wildcard_string): New function.
4760         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4761         (Layout::layout_eh_frame): Ditto.
4762         (Layout::find_section_order_index): New method.
4763         (Layout::read_layout_from_file): New method.
4764         * layout.h (Layout::find_section_order_index): New method.
4765         (Layout::read_layout_from_file): New method.
4766         (Layout::input_section_position_): New private member.
4767         (Layout::input_section_glob_): New private member.
4768         * main.cc (main): Call read_layout_from_file here.
4769         * options.h (--section-ordering-file): New option.
4770         * output.cc (Output_section::input_section_order_specified_): New
4771         member.
4772         (Output_section::Output_section): Initialize new member.
4773         (Output_section::add_input_section): Add new parameter.
4774         Keep input sections when --section-ordering-file is used.
4775         (Output_section::set_final_data_size): Sort input sections when
4776         section ordering file is specified.
4777         (Output_section::Input_section_sort_entry): Add new parameter.
4778         Check sorting type.
4779         (Output_section::Input_section_sort_entry::compare_section_ordering):
4780         New method.
4781         (Output_section::Input_section_sort_compare::operator()): Change to
4782         consider section_order_index.
4783         (Output_section::Input_section_sort_init_fini_compare::operator()):
4784         Change to consider section_order_index.
4785         (Output_section::Input_section_sort_section_order_index_compare
4786         ::operator()): New method.
4787         (Output_section::sort_attached_input_sections): Change to sort
4788         according to section order when specified.
4789         (Output_section::add_input_section<32, true>): Add new parameter.
4790         (Output_section::add_input_section<64, true>): Add new parameter.
4791         (Output_section::add_input_section<32, false>): Add new parameter.
4792         (Output_section::add_input_section<64, false>): Add new parameter.
4793         * output.h (Output_section::add_input_section): Add new parameter.
4794         (Output_section::input_section_order_specified): New
4795         method.
4796         (Output_section::set_input_section_order_specified): New method.
4797         (Input_section::Input_section): Initialize section_order_index_.
4798         (Input_section::section_order_index): New method.
4799         (Input_section::set_section_order_index): New method.
4800         (Input_section::section_order_index_): New member.
4801         (Input_section::Input_section_sort_section_order_index_compare): New
4802         struct.
4803         (Output_section::input_section_order_specified_): New member.
4804         * script-sections.cc (is_wildcard_string): Delete and move modified
4805         method to gold.h.
4806         (Output_section_element_input::Output_section_element_input): Modify
4807         call to is_wildcard_string.
4808         (Output_section_element_input::Input_section_pattern
4809         ::Input_section_pattern): Ditto.
4810         (Output_section_element_input::Output_section_element_input): Ditto.
4811         * testsuite/Makefile.am (final_layout): New test case.
4812         * testsuite/Makefile.in: Regenerate.
4813         * testsuite/final_layout.cc: New file.
4814         * testsuite/final_layout.sh: New file.
4815
4816 2010-06-01  Rafael Espindola  <espindola@google.com>
4817
4818         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4819
4820 2010-06-01  Rafael Espindola  <espindola@google.com>
4821
4822         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4823         visibility of symbols.
4824
4825 2010-05-27  Doug Kwan  <dougkwan@google.com>
4826
4827         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4828         from start of output section instead of address for a local symbol
4829         in a merged or relaxed section when doing a relocatable link.
4830
4831 2010-05-26  Rafael Espindola  <espindola@google.com>
4832
4833        PR 11604
4834         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4835         adding sections the garbage collector removed.
4836         * gold/testsuite/Makefile.am: Add test.
4837         * gold/testsuite/Makefile.in: Regenerate.
4838         * gold/testsuite/plugin_test_7.sh: New.
4839         * gold/testsuite/plugin_test_7_1.c: New.
4840         * gold/testsuite/plugin_test_7_2.c: New.
4841
4842 2010-05-26  Rafael Espindola  <espindola@google.com>
4843
4844         * script-sections.cc (Output_section_definition::set_section_addresses):
4845         Check for --section-start.
4846
4847 2010-05-26  Doug Kwan  <dougkwan@google.com>
4848
4849         * arm.cc (Arm_scan_relocatable_relocs): New class.
4850         (Target_arm::relocate_special_relocatable): New method.
4851         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4852         (Arm_relocate_functions::thumb_branch_common): Same.
4853         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4854         instead of Default_scan_relocatable_relocs.
4855         * target-reloc.h (relocate_for_relocatable): Let target handle
4856         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4857         * target.h (Sized_target::relocate_special_relocatable): New method.
4858
4859 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4860
4861         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4862
4863 2010-05-23  Doug Kwan  <dougkwan@google.com>
4864
4865         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4866         instead of a cast.
4867         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4868         with a direct branch, not a conditional branch, to a stub.
4869         * merge.cc (Output_merge_base::record_input_section): New method
4870         defintion.
4871         (Output_merge_data::do_add_input_section): Record input section if
4872         keeps-input-sections flag is set.
4873         (Output_merge_string::do_add_input_section): Ditto.
4874         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4875         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4876         INPUT_SECTIONS_.
4877         (Output_merge_base::keeps_input_sections,
4878         Output_merge_base::set_keeps_input_sections,
4879         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4880         method definitions.
4881         (Output_merge_base::Input_sections): New type declaration.
4882         (Output_merge_base::input_sections_begin,
4883         Output_merge_base::input_sections_end,
4884         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4885         (Output_merge_base::bool keeps_input_sections_,
4886         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4887         Output_merge_base::input_sections_): New data members.
4888         (Output_merge_data::do_set_keeps_input_sections): New method
4889         defintion.
4890         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4891         * output.cc (Output_section::Input_section::relobj): Move method
4892         defintion from class declaration to here and handle merge sections.
4893         (Output_section::Input_section::shndx): Ditto.
4894         (Output_section::Output_section): Remove initializations of removed
4895         data members and initialize new data member LOOKUP_MAPS_.
4896         (Output_section::add_input_section): Set keeps-input-sections flag
4897         for a newly created merge output section as appropriate.  Adjust code
4898         to use Output_section_lookup_maps class.
4899         (Output_section::add_relaxed_input_section): Adjst code for lookup
4900         maps code refactoring.
4901         (Output_section::add_merge_input_section): Add a new parameter
4902         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4903         class.  If adding input section to a newly created merge output
4904         section fails, remove the new merge section.
4905         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4906         Adjust code for use of the Output_section_lookup_maps class.
4907         (Output_section::find_merge_section): Ditto.
4908         (Output_section::build_lookup_maps): New method defintion.
4909         (Output_section::find_relaxed_input_section): Adjust code to use
4910         Output_section_lookup_maps class.
4911         (Output_section::get_input_sections): Export merge sections.  Adjust
4912         code to use Output_section_lookup_maps class.
4913         (Output_section:::add_script_input_section): Adjust code to use
4914         Output_section_lookup_maps class.  Update lookup maps for merge
4915         sections also.
4916         (Output_section::discard_states): Use Output_section_lookup_maps.
4917         (Output_section::restore_states): Same.
4918         * output.h (Merge_section_properties): Move class defintion out of
4919         Output_section.
4920         (Output_section_lookup_maps): New class.
4921         (Output_section::Input_section::is_merge_section): New method
4922         defintion.
4923         (Output_section::Input_section::relobj): Move defintion out of class
4924         defintion.  Declare method only.
4925         (Output_section::Input_section::shndx): Ditto.
4926         (Output_section::Input_section::output_merge_base): New method defintion.
4927         (Output_section::Input_section::u2_.pomb): New union field.
4928         (Output_section::Merge_section_by_properties_map,
4929         Output_section::Output_section_data_by_input_section_map,
4930         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4931         Remove types.
4932         (Output_section::add_merge_input_section): Add new parameter
4933         KEEPS_INPUT_SECTIONS.
4934         (Output_section::build_lookup_maps): New method declaration.
4935         (Output_section::merge_section_map_,
4936         Output_section::merge_section_by_properties_map_,
4937         Output_section::relaxed_input_section_map_,
4938         Output_section::is_relaxed_input_section_map_valid_): Remove data
4939         members.
4940         (Output_section::lookup_maps_): New data member.
4941
4942 2010-05-21  Doug Kwan  <dougkwan@google.com>
4943
4944         PR gold/11619
4945         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4946         avoid a compilation error.
4947
4948 2010-05-19  Rafael Espindola  <espindola@google.com>
4949
4950         * script-sections.cc (Output_section_definition::allocate_to_segment):
4951         Update the phdrs_list even when the output section is NULL.
4952         * testsuite/Makefile.am: Add test.
4953         * testsuite/Makefile.in: Regenerate.
4954         * testsuite/script_test_9.cc: New.
4955         * testsuite/script_test_9.sh: New.
4956         * testsuite/script_test_9.t: New.
4957
4958 2010-05-19  Doug Kwan  <dougkwan@google.com>
4959
4960         * arm.cc (Arm_input_section::original_size): New method.
4961         (Arm_input_section::do_addralign): Add a cast.
4962         (Arm_input_section::do_output_offset): Remove static cast.
4963         (Arm_input_section::original_addralign,
4964          Arm_input_section::original_size_): Change type to uint32_t.
4965         (Arm_input_section::init): Add safe casts for section alignment
4966         and size.
4967         (Arm_input_section::set_final_data_size): Do not set address and
4968         offset of stub table.
4969         (Arm_output_section::fix_exidx_coverage): Change use of of
4970         Output_section::Simple_input_section to that of
4971         Output_section::Input_section.
4972         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4973         except for the first pass.
4974         * output.cc (Output_section::get_input_sections): Change type of
4975         input_sections to std::list<Input_section>.
4976         (Output_section::add_script_input_section): Rename from
4977         Output_section::add_simple_input_section.  Change type of SIS
4978         parameter from Simple_input_section to Input_section.
4979         * output.h (Output_section::Simple_input_section): Remove class.
4980         (Output_section::Input_section): Change class visibility to public.
4981         (Output_section::Input_section::addralign): Use stored alignments
4982         for special input sections if set.
4983         (Output_section::Input_section::set_addralign): New method.
4984         (Output_section::get_input_sections): Change parameter type from
4985         list of Simple_input_section to list of Input_section.
4986         (Output_section::add_script_input_section): Rename from
4987         Output_section::add_simple_input_section. Change first parameter's
4988         type from Simple_input_section to Input_section and remove the
4989         second and third parameters.
4990         * script-sections.cc (Input_section::Input_section_list): Change
4991         type to list of Output_section::Input_section/
4992         (Input_section_info::Input_section_info): Change parameter type of
4993         INPUT_SECTION to Output_section::Input_section.
4994         (Input_section_info::input_section): Change return type.
4995         (Input_section_info::input_section_): Change type to
4996         Output_section::Input_section.
4997         (Output_section_element_input::set_section_addresses): Adjust code
4998         to use Output_section::Input_section instead of
4999         Output_section::Simple_input_section.  Adjust code for renaming
5000         of Output_section::add_simple_input_section.
5001         (Orphan_output_section::set_section_addresses): Ditto.
5002
5003 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5004
5005         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
5006         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
5007
5008 2010-05-18  Rafael Espindola  <espindola@google.com>
5009
5010         * options.cc (General_options::finalize): Handle -nostdlib.
5011         * options.h (nostdlib): New option.
5012         * script.cc (script_add_search_dir): Handle -nostdlib.
5013
5014 2010-05-12  Doug Kwan  <dougkwan@google.com>
5015
5016         * arm.cc (Target_arm::do_finalize_sections): Create an empty
5017         attributes section only if there no attributes section after merging.
5018         (Target_arm::merge_object_attributes): Move value of
5019         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
5020         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
5021         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
5022         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
5023         and arm_attr_merge_7.stdout.
5024         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
5025         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
5026         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
5027         arm_attr_merge_7b.o): New rules.
5028         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
5029         arm_attr_merge_7
5030         * testsuite/Makefile.in: Regenerate.
5031         * testsuite/arm_attr_merge.sh: New file.
5032         * testsuite/arm_attr_merge_[67][ab].s: Same.
5033
5034 2010-05-05  Nick Clifton  <nickc@redhat.com>
5035
5036         * po/es.po: Updated Spanish translation.
5037
5038 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5039
5040         * Makefile.am (install-exec-local): Properly install gold as
5041         default cross linker.
5042         * Makefile.in: Regenerated.
5043
5044 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5045             Nick Clifton  <nickc@redhat.com>
5046
5047         * configure.ac (install_as_default): Define and set to false
5048         unless --enable-gold or --enable-gold=both/gold has been
5049         specified.
5050         * configure: Regenerate.
5051
5052         * Makefile.am (install-exec-local): Install the executable as
5053         'ld.gold'.  If install_as_default is true then also install it as
5054         'ld'.
5055         * Makefile.in: Regenerated.
5056
5057 2010-04-24  Ian Lance Taylor  <iant@google.com>
5058
5059         * layout.cc (Layout::layout_reloc): In relocatable link don't
5060         combine reloc sections for grouped sections.
5061
5062 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
5063
5064         * gc.h (gc_process_relocs): Pass information on relocs pointing to
5065         sections that are not ordinary to icf.
5066         * icf.cc (get_section_contents): Handle relocation pointing to section
5067         with no object or shndx information.
5068         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
5069         * testsuite/Makefile.in: Regenerate.
5070         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
5071         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
5072
5073 2010-04-22  Ian Lance Taylor  <iant@google.com>
5074
5075         * expression.cc (Expression::Expression_eval_info): Add
5076         result_alignment_pointer field.
5077         (Expression::eval_with_dot): Add result_alignment_pointer
5078         parameter.  Change all callers.
5079         (Expression::eval_maybe_dot): Likewise.
5080         (class Binary_expression): Add alignment_pointer parameter to
5081         left_value and right_value.  Change all callers.
5082         (BINARY_EXPRESSION): Set result alignment.
5083         (class Trinary_expression): Add alignment_pointer parameter to
5084         arg2_value and arg3_value.  Change all callers.
5085         (Trinary_cond::value): Set result alignment.
5086         (Max_expression::value, Min_expression::value): Likewise.
5087         (Align_expression::value): Likewise.
5088         * script-sections.cc (class Sections_element): Add dot_alignment
5089         parameter to set_section_addresses virtual function.  Update
5090         instantiations.
5091         (class Output_section_element): Likewise.
5092         (Script_sections::create_segments): Add dot_alignment parameter.
5093         Change all callers.
5094         (Script_sections::create_segments_from_phdrs_clause): Likewise.
5095         (Script_sections::set_phdrs_clause_addresses): Likewise.
5096         * script-sections.h: Update declarations.
5097         * script.h: Update declarations.
5098         * output.h (Output_segment::set_minimum_p_align): Don't decrease
5099         min_p_align.
5100         * testsuite/script_test_3.t: Set large alignment.
5101         * testsuite/script_test_3.sh: Make sure that at least one LOAD
5102         segment has expected alignment.
5103
5104 2010-04-22  Nick Clifton  <nickc@redhat.com>
5105
5106         * po/gold.pot: Updated by the Translation project.
5107         * po/vi.po: Updated Vietnamese translation.
5108
5109 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
5110
5111         * testsuite/Makefile.am (check_PROGRAMS): Add
5112         icf_virtual_function_folding_test.
5113         * testsuite/Makefile.in: Regenerated.
5114
5115 2010-04-15  Andrew Haley  <aph@redhat.com>
5116
5117         * options.h (merge_exidx_entries): New option.
5118         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
5119         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
5120         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
5121         (Target_arm::merge_exidx_entries): New function.
5122         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
5123         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
5124         to Arm_exidx_fixup constructor.
5125         Add new arg, merge_exidx_entries.
5126         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
5127         Arm_output_section::fix_exidx_coverage.
5128
5129 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
5130
5131         * icf.cc (get_section_contents): Check for preemptible functions.
5132         Ignore addend when appropriate.
5133         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
5134         section folded.
5135         (add_from_relobj): Check for section folded.
5136         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
5137         * symtab.h (should_add_dynsym_entry): Add new parameter.
5138         * target-reloc.h (scan_relocs): Check for section folded.
5139         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
5140         Check reloc types for function pointers in shared objects.
5141         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
5142         case.
5143         (icf_preemptible_functions_test): New test case.
5144         (icf_string_merge_test): New test case.
5145         * testsuite.Makefile.in: Regenerate.
5146         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
5147         bar_glob.  Refactor code.
5148         * testsuite/icf_preemptible_functions_test.cc: New file.
5149         * testsuite/icf_preemptible_functions_test.sh: New file.
5150         * testsuite/icf_string_merge_test.cc: New file.
5151         * testsuite/icf_string_merge_test.sh: New file.
5152         * testsuite/icf_virtual_function_folding_test.cc: New file.
5153         * testsuite/icf_virtual_function_folding_test.sh: New file.
5154
5155 2010-04-14  Doug Kwan  <dougkwan@google.com>
5156
5157         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
5158         for local symbol recounting if we remove a section due to ICF.
5159         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
5160         there are no regular objects in input.
5161
5162 2010-04-13  Doug Kwan  <dougkwan@google.com>
5163
5164         * arm.cc (Arm_input_section::set_final_data_size): Compute
5165         accurate final data size instead of using current data size.
5166
5167 2010-04-09  Doug Kwan  <dougkwan@google.com>
5168
5169         * layout.cc (Layout::choose_output_section): Handle script section
5170         types.
5171         (Layout::make_output_section_for_script): Add section type parameter.
5172         Handle script section types.
5173         * layout.h (Layout::make_output_section_for_script): Add section
5174         type parameter.
5175         * output.cc (Output_section::Output_section): Initialize data member
5176         is_noload_.
5177         (Output_section::do_reset_address_and_file_offset): Do not set address
5178         to 0 if section is a NOLOAD section.
5179         * output.h (Output_section::is_noload): New method.
5180         (Output_section::set_is_noload): Ditto.
5181         (Output_section::is_noload_): New data member.
5182         * script-c.h (Script_section_type): New enum type.
5183         (struct Parser_output_section_header): Add new file section_type.
5184         * script-sections.cc (Sections_element::output_section_name): Add
5185         parameter for returning script section type.
5186         (Output_section_definition::output_section_name): Ditto.
5187         (Output_section_definition::section_type)P; New method.
5188         (Output_section_definiton::script_section_type_name): Ditto.
5189         (Output_section_definition::script_section_type_): New data member.
5190         (Output_section_definition::Output_section_definition): Initialize
5191         data member Output_section_definition::script_section_type_.
5192         (Output_section_definition::create_sections): Pass script section type
5193         to Layout::make_output_section_for_script.
5194         (Output_section_definition::output_section_name): Return script
5195         section type to caller.
5196         (Output_section_definition::set_section_address): Do not advance
5197         dot value and load address if section type is NOLOAD.  Set address
5198         of NOLOAD sections regardless of section flags.
5199         (Output_section_definition::print): Print section type if it is
5200         not SCRIPT_SECTION_TYPE_NONE.
5201         (Output_section_definition::section_type): New method.
5202         (Output_section_definition::script_section_type_name): Ditto.
5203         (Script_sections::output_section_name): Add new parameter
5204         PSECTION_TYPE for returning script section type.  Pass it to
5205         section elements.  Handle discard sections.
5206         (Sort_output_sections::operator()): Handle NOLOAD sections.
5207         * script-sections.h (Script_sections::Section_type): New enum type.
5208         (Script_sections::output_section_name): Add a new parameter for
5209         returning script section type.
5210         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5211         INFO and NOLOAD.
5212         * yyscript.y (union): Add new field SECTION_TYPE.
5213         (COPY, DSECT, INFO, NOLOAD): New tokens.
5214         (opt_address_and_section_type): Change type to output_section_header.
5215         (section_type): New non-terminal
5216         (section_header): Handle section type.
5217         (opt_address_and_section_type): Return section type value.
5218
5219 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5220
5221         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5222         * testsuite/plugin_common_test_2.c (foo): Likewise.
5223
5224 2010-04-08  Doug Kwan  <dougkwan@google.com>
5225
5226         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5227         Output_merge_data.
5228         * output.cc (Output_section::add_merge_input_section): Simplify
5229         code and return status of Output_merge_base::add_input_section.
5230         Update merge section map only if Output_merge_base::add_input_section
5231         returns true.
5232
5233 2010-04-07  Doug Kwan  <dougkwan@google.com>
5234
5235         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5236         if section is marked as containing instructions but has no mapping
5237         symbols.
5238         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5239         correct section index.
5240         (Arm_relobj::find_linked_text_section): Ditto.
5241
5242 2010-04-07  Cary Coutant  <ccoutant@google.com>
5243
5244         * archive.cc (include_member): Destroy Read_symbols_data object before
5245         releasing file.
5246         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5247         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5248         (Read_symbols_data::~Read_symbols_data) New destructor.
5249         (Section_relocs::Section_relocs) New constructor.
5250         (Section_relocs::~Section_relocs) New destructor.
5251         (Read_relocs_data::Read_relocs_data) New constructor.
5252         (Read_relocs_data::~Read_relocs_data) New destructor.
5253         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5254         pointers to NULL after deleting.
5255
5256 2010-04-07  Doug Kwan  <dougkwan@google.com>
5257
5258         * arm.cc: Replace "endianity" with "endianness" in comments.
5259         (Arm_exidx_cantunwind): Ditto.
5260         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5261         (Arm_relobj::merge_flags_and_attributes): New method.
5262         (Arm_relobj::merge_flags_and_attributes_): New data member.
5263         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5264         (Arm_relobj::scan_sections_for_stubs): Ditto.
5265         (Arm_relobj::do_read_symbols): Check to see if we really want to
5266         merge processor-specific flags and attributes.  Exit early if
5267         an object is empty except for section names and the undefined symbol.
5268         (Target_arm::do_finalize_sections): Move check for ELF format to
5269         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5270         attributes from a regular object only when we have determined that
5271         it is aapropriate.  Do not create an .ARM.attributes section in
5272         output if there is no regular input object.
5273         (Target_arm::merge_processor_specific_flags): Check
5274         --warn-mismatch before printing any error.
5275         (Target_arm::merge_object_attributes): Ditto.
5276         * gold.cc (queue_middle_tasks): Handle the case in which there is
5277         no regular object in input.
5278         * options.cc (General_options::parse_EB): New method.
5279         (General_options::parse_EL): Same.
5280         (General_options::General_options): Initialize endianness_.
5281         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5282         New options.
5283         (General_options::Endianness): New enum.
5284         (General_options::endianness): New method.
5285         (General_options::endianness_): New data member.
5286         * parameters.cc (Parameters::set_options): Check target endianness.
5287         (Parameters::set_target_once): Ditto.
5288         (Parameters::check_target_endianness): New method.
5289         (parameters_force_valid_target): If either -EL or -EB is specified,
5290         use it to define endianness of default target.
5291         * parameters.h (Parameters::check_target_endianness): New method
5292         declaration.
5293         * target.h (class Target): Change "endianity" to "endianness"
5294         in comments.
5295
5296 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5297
5298         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5299         * configure: Regenerate.
5300         * Makefile.in: Regenerate.
5301         * testsuite/Makefile.in: Regenerate.
5302
5303 2010-04-06  Cary Coutant  <ccoutant@google.com>
5304
5305         gcc PR lto/42757
5306         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5307         prevailing definitions of common symbols.
5308         * testsuite/plugin_test_6.sh: New test case.
5309         * testsuite/plugin_common_test_1.c: New test case.
5310         * testsuite/plugin_common_test_2.c: New test case.
5311         * testsuite/Makefile.am (plugin_test_6): New test case.
5312         * testsuite/Makefile.in: Regenerate.
5313
5314 2010-04-06  Nick Clifton  <nickc@redhat.com>
5315
5316         * po/vi.po: New Vietnamese translation.
5317
5318 2010-03-30  Doug Kwan  <dougkwan@google.com>
5319
5320         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5321
5322 2010-03-25  Doug Kwan  <dougkwan@google.com>
5323
5324         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5325         to avoid a conversion warning on a 32-bit host.
5326
5327 2010-03-24  Ian Lance Taylor  <iant@google.com>
5328
5329         * testsuite/script_test_3.t: Add a TLS segment.
5330         * testsuite/Makefile.am (check_PROGRAMS): Add
5331         tls_phdrs_script_test.
5332         (tls_phdrs_script_test_SOURCES): Define.
5333         (tls_phdrs_script_test_DEPENDENCIES): Define.
5334         (tls_phdrs_script_test_LDFLAGS): Define.
5335         (tls_phdrs_script_test_LDADD): Define.
5336         * testsuite/Makefile.in: Rebuild.
5337
5338 2010-03-23  Cary Coutant  <ccoutant@google.com>
5339
5340         * fileread.cc (find_or_make_view): Fix comment.
5341
5342 2010-03-23  Ian Lance Taylor  <iant@google.com>
5343
5344         * script-sections.cc (class Orphan_section_placement): Define
5345         PLACE_TLS and PLACE_TLS_BSS.
5346         (Orphan_section_placement::Orphan_section_placement): Initialize
5347         new places.
5348         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5349         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5350         (tls_script_test_SOURCES): Define.
5351         (tls_script_test_DEPENDENCIES): Define.
5352         (tls_script_test_LDFLAGS): Define.
5353         (tls_script_test_LDADD): Define.
5354         * testsuite/Makefile.in: Rebuild.
5355
5356 2010-03-22  Doug Kwan  <dougkwan@google.com>
5357
5358         * arm.cc (Arm_relocate_functions::abs8,
5359         Arm_relocate_functions::abs16): Use correct check for overflow
5360         specified in the ARM ELF specs.
5361         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5362         target of a BLX instruction specially.
5363         (Reloc_stub::stub_type_for_reloc): Ditto.
5364         (Relocate::relocate): Use symbolic names instead of numeric relocation
5365         codes to report error.
5366         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5367         workaround.
5368         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5369         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5370         thumb2_blx_out_of_range.stdout
5371         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5372         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5373         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5374         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5375         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5376         thumb2_blx_in_range, thumb2_blx_in_range.o,
5377         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5378         thumb2_blx_out_of_range.o): New rules.
5379         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5380         thumb2_blx_in_range and thumb2_blx_out_of_range.
5381         * testsuite/Makefile.in: Regenerate.
5382         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5383         * testsuite/thumb_blx_in_range.s: New file.
5384         * testsuite/thumb_blx_out_of_range.s: New file.
5385
5386 2010-03-22  Rafael Espindola  <espindola@google.com>
5387
5388         * archive.cc (Should_include): Move to archive.h.
5389         (should_include_member): Make it a member of Archive.
5390         (Lib_group): New.
5391         (Add_lib_group_symbols): New.
5392         * archive.h: Include options.h.
5393         (Archive_member): Moved from Archive.
5394         (Should_include): Moved from archive.cc.
5395         (Lib_group): New.
5396         (Add_lib_group_symbols): New.
5397         * dynobj.cc (do_should_include_member): New.
5398         * dynobj.h (do_should_include_member): New.
5399         * gold.cc (queue_initial_tasks): Update call to queue.
5400         * main.cc (main): Print lib group stats.
5401         * object.cc (do_should_include_member): New.
5402         * object.h: Include archive.h.
5403         (Object::should_include_member): New.
5404         (Object::do_should_include_member): New.
5405         (Sized_relobj::do_should_include_member): New.
5406         * options.cc (General_options::parse_start_lib): New.
5407         (General_options::parse_end_lib): New.
5408         (Input_arguments::add_file): Handle lib groups.
5409         (Input_arguments::start_group): Check we are not in a lib.
5410         (Input_arguments::start_lib): New.
5411         (Input_arguments::end_lib): New.
5412         * options.h (General_options): Add start_lib and end_lib.
5413         (Input_argument::lib_): New.
5414         (Input_argument::lib): New.
5415         (Input_argument::is_lib): New.
5416         (Input_file_lib): New.
5417         (Input_arguments::in_lib_): New.
5418         (Input_arguments::in_lib): New.
5419         (Input_arguments::start_lib): New.
5420         (Input_arguments::end_lib_): New.
5421         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5422         in unused members as preempted.
5423         (Sized_pluginobj::do_should_include_member): New.
5424         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5425         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5426         return the blocker.
5427         (Read_symbols::do_whole_lib_group): New.
5428         (Read_symbols::do_lib_group): New.
5429         (Read_symbols::do_read_symbols): Handle lib groups.
5430         (Read_symbols::get_name): Handle lib groups.
5431         * readsyms.h (Read_symbols): Add an archive member pointer.
5432         (Read_symbols::do_whole_lib_group): New.
5433         (Read_symbols::do_lib_group): New.
5434         (Read_symbols::member_): New.
5435         * script.cc (read_input_script): Update call to queue_soon.
5436
5437 2010-03-19  Doug Kwan  <dougkwan@google.com>
5438
5439         * arm.cc (Stub_table::Stub_table): Initialize new data members
5440         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5441         (Stub_table::add_reloc_stub): Assign stub offset and update
5442         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5443         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5444         New data members.
5445         (Stub_table::update_data_size_and_addralign): Use
5446         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5447         instead of going over all reloc stubs.
5448         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5449         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5450         Stringpool_template::offset_ to size of Stringpool_char.
5451         (Stringpool_template::new_key_offset): Remove code to initialize
5452         Stringpool_template::offset_.
5453         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5454         Stringpool_template::offset_ to zero.
5455
5456 2010-03-15  Doug Kwan  <dougkwan@google.com>
5457
5458         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5459         offset_.
5460         (Stringpool_template::new_key_offset): New method.
5461         (Stringpool_template::add_string): Assign offsets when adding new
5462         strings.
5463         (Stringpool_template::set_string_offsets): Do not set string offsets
5464         when not optimizing.
5465         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5466         member size_.
5467         (Chunked_vector::clear): Clear size_.
5468         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5469         (Chunked_vector::size): Return size_.
5470         (Chunked_vector::push_back): Use size_ to find insert position.
5471         (Chunked_vector::size_): New data member.
5472         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5473         (Stringpool_template::new_key_offset): New method declaration.
5474         (Stringpool_template::offset_): New data member.
5475
5476 2010-03-15   Rafael Espindola  <espindola@google.com>
5477
5478         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5479         Add_symbols' constructor.
5480         * readsyms.h (Add_symbols): Remove the input_group member.
5481
5482 2010-03-10  Ian Lance Taylor  <iant@google.com>
5483
5484         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5485         target to ask whether a reference to a symbol requires a stack
5486         split.
5487         * target.h (Target::is_call_to_non_split): New function.
5488         (Target::do_is_call_to_non_split): Declare virtual function.
5489         * target.cc: Include "symtab.h".
5490         (Target::do_is_call_to_non_split): New function.
5491         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5492
5493 2010-03-10  Cary Coutant  <ccoutant@google.com>
5494
5495         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5496         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5497         (File_read::open[2]): Add whole_file_view_ to list of views.
5498         (File_read::make_view): Remove test of whole_file_view_.
5499         (File_read::find_or_make_view): Create whole_file_view_ if
5500         necessary.
5501         (File_read::clear_views): Replace bool parameter with enum;
5502         adjust all callers.  Don't delete views with permanent data;
5503         do delete cached views and views from archives if
5504         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5505         if clearing the corresponding view.
5506         * fileread.h (File_read::Clear_views_mode): New enum.
5507         (File_read::View::is_permanent_view): New method.
5508         (File_read::clear_views): Replace bool parameter
5509         with enum; adjust all callers.
5510         * options.h (General_options): Change keep_files_mapped option;
5511         add map_whole_files.
5512         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5513         releasing the file.
5514         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5515         the file.
5516
5517 2010-03-10  David S. Miller  <davem@davemloft.net>
5518
5519         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5520
5521 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5522
5523         * icf.cc (get_section_contents): Add '@' marker after processing the
5524         merge reloc.
5525
5526 2010-03-08  Doug Kwan  <dougkwan@google.com>
5527
5528         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5529         due to a conversion warning.
5530         (Arm_relobj::update_output_local_symbol_count): Check for local
5531         symbol with unset output index.
5532
5533 2010-03-05  Ian Lance Taylor  <iant@google.com>
5534
5535         * options.h (class General_options): Add --spare-dynamic-tags.
5536         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5537         --spare-dynamic-tags.
5538
5539 2010-03-05  Ian Lance Taylor  <iant@google.com>
5540
5541         * incremental.cc: Include "libiberty.h".
5542
5543 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5544
5545         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5546         function, is_info_ member.
5547         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5548         (Versions::Versions): Update caller.
5549         (Versions::define_base_version): Likewise.
5550         (Versions::add_def): Likewise.
5551
5552 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5553
5554         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5555         (Scan::possible_function_pointer_reloc): New function.
5556         (Scan::local_reloc_may_be_function_pointer): Change to call
5557         possible_function_pointer_reloc.
5558         (Scan::global_reloc_may_be_function_pointer): Ditto.
5559         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5560         relocations in ".data.rel.ro._ZTV" section.
5561         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5562         * testsuite/icf_safe_so_test.cc: Ditto.
5563         * testsuite/icf_safe_test.cc: Ditto.
5564         * testsuite/icf_safe_test.sh: Ditto.
5565
5566 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5567             Ian Lance Taylor  <iant@google.com>
5568
5569         * target-reloc.h (relocate_section): Check the symbol table index
5570         for -1U before setting the local symbol index.
5571         (scan_relocatable_relocs): If copying the relocation, record that
5572         the local symbol is required.
5573         * object.h (Symbol_value::is_output_symtab_index_set): New
5574         function.
5575         (Symbol_value::may_be_discarded_from_output_symtab): New
5576         function.
5577         (Symbol_value::has_output_symtab_entry): New function.
5578         (Symbol_value::needs_output_symtab_entry): Remove.
5579         (Symbol_value::output_symtab_index): Make sure the symbol index is
5580         set.
5581         (Symbol_value::set_output_symtab_index): Make sure the symbol
5582         index is not set.  Make sure the new index is valid.
5583         (Symbol_value::set_must_have_output_symtab_entry): New function.
5584         (Symbol_value::has_output_dynsym_entry): New function.
5585         (Symbol_value::set_output_dynsym_index): Make sure the new index
5586         is valid.
5587         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5588         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5589         local symbol if permitted.
5590         (Sized_relobj::do_finalize_local_symbols): Call
5591         is_output_symtab_index_set rather than needs_output_symtab_entry.
5592         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5593         rather than needs_output_symtab_entry.  Call
5594         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5595         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5596         is_output_symtab_index_set rather than needs_output_symtab_entry.
5597         * testsuite/discard_locals_relocatable_test.c: New file.
5598         * testsuite/discard_locals_test.sh: Test -r.
5599         * testsuite/Makefile.am (check_DATA): Add
5600         discard_locals_relocatable_test1.syms,
5601         discard_local_relocatable_test2.syms.
5602         (MOSTLYCLEANFILES): Likewise.  Also add
5603         discard_locals_relocatable_test1.lout and
5604         discard_locals_relocatable_test2.out.
5605         (discard_locals_relocatable_test1.syms): New target.
5606         (discard_locals_relocatable_test.o): New target.
5607         (discard_locals_relocatable_test1.out): New target.
5608         (discard_locals_relocatable_test2.syms): New target.
5609         (discard_locals_relocatable_test2.out): New target.
5610         (various): Add missing ../ld-new dependencies.
5611         * testsuite/Makefile.in: Rebuild.
5612
5613 2010-03-03  Nick Clifton  <nickc@redhat.com>
5614
5615         * po/fi.po: New Finnish translation.
5616
5617 2010-03-01  Doug Kwan  <dougkwan@google.com>
5618
5619         * layout.cc (Layout::Layout): Force section types of .init_array*,
5620         .preinit_array* and .fini_array* sections.
5621         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5622         Fix check of return value of std::string::find.().
5623         (Output_section::Input_section_sort_compare::operator()): Remove
5624         comment about .init_array.
5625         (Output_section::Input_section_sort_init_fini_compare::operator()):
5626         New method.
5627         (Output_section::sort_attached_input_sections): Handle .init_array
5628         and .fini_array specially.
5629         * output.h (Output_section::Inut_section_sort_compare): Update
5630         comment.
5631         (Output_section::Input_section_sort_init_fini_compare): New struct.
5632
5633 2010-02-26  Doug Kwan  <dougkwan@google.com>
5634
5635         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5636         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5637         * testsuite/debug_msg.sh: Avoid matching source line number for
5638         use of global variable undef_int.
5639
5640 2010-02-26  Doug Kwan  <dougkwan@google.com>
5641
5642         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5643         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5644         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5645         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5646         * options.cc (General_options::General_options): Initialize member
5647         fix_v4bx_.
5648         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5649         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5650         and rm_no_fix_v4bx.stdout
5651         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5652         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5653         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5654         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5655         and arm_no_fix_v4bx.
5656         * Makefile.in: Regenerate.
5657         * testsuite/arm_fix_v4bx.s: New file.
5658         * testsuite/arm_fix_v4bx.sh: Ditto.
5659
5660 2010-02-24  Doug Kwan  <dougkwan@google.com>
5661
5662         * arm.cc (Target_arm::got_section): Make the .got section the first
5663         non RELRO section in the data segment.
5664         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5665         suffixes of section names.
5666
5667 2010-02-24  Doug Kwan  <dougkwan@google.com>
5668
5669         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5670         flags and attributes merging if an input file is a binary file.
5671         * fileread.cc (Input_file::open): Record format of original file.
5672         * fileread.h (Input_file::Format): New enum type.
5673         (Input_file::Input_file): Initialize data member format_.
5674         (Input_file::format): New method definition.
5675         (Input_file::format_):: New data member.
5676
5677 2010-02-24  Doug Kwan  <dougkwan@google.com>
5678
5679         * arm.cc (Arm_output_data_got): New class.
5680         (ARM_TCB_SIZE): New constant
5681         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5682         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5683         If user uses a script with a SECTIONS clause, issue only a warning
5684         for a misplaced EXIDX input section.  Otherwise, issue an error.
5685         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5686         garbage collection.
5687         (Target_arm::got_mode_index_entry): Handle static linking.
5688         (Target_arm::Scan::local): Ditto.
5689         (Target_arm::Scan::global): Ditto.
5690         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5691         all incorrectly implemented relocations.
5692         (Target_arm::fix_exidx_coverage): Pass layout to
5693         Arm_output_section::fix_exidx_coverage.
5694         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5695         from ".ARM.exidx." and ".ARM.extab.".
5696
5697 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5698
5699         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5700         section if it does not already exist.
5701         * attributes.cc (Attributes_section_data::Attributes_section_data):
5702         Don't crash if size is zero.
5703
5704 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5705             Ian Lance Taylor  <iant@google.com>
5706
5707         * gold.cc (queue_middle_tasks): If no input files were opened,
5708         exit.
5709         * workqueue.h (Task_function::Task_function): Assert that there is
5710         a blocker.
5711
5712 2010-02-22  Doug Kwan  <dougkwan@google.com>
5713
5714         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5715         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5716         types to avoid warnings due to different uint64_t implementations
5717         on different hosts.
5718
5719 2010-02-21  Doug Kwan  <dougkwan@google.com>
5720
5721         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5722         handling of the maximum backward branch offset.
5723         (Arm_relocate_functions::thumb_branch_common): Ditto.
5724         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5725         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5726         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5727         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5728         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5729         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5730         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5731         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5732         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5733         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5734         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5735         thumb2_bl_out_of_range.o): New rules.
5736         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5737         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5738         thumb2_bl_out_of_range
5739         * testsuite/Makefile.in: Regenerate.
5740         * testsuite/arm_bl_in_range.s: New file.
5741         * testsuite/arm_bl_out_of_range.s: Ditto.
5742         * testsuite/arm_branch_in_range.sh: Ditto.
5743         * testsuite/arm_branch_range.t: Ditto.
5744         * testsuite/thumb2_branch_range.t: Ditto.
5745         * testsuite/thumb_bl_in_range.s: Ditto.
5746         * testsuite/thumb_bl_out_of_range.s: Ditto.
5747         * testsuite/thumb_branch_range.t: Ditto.
5748
5749 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5750
5751         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5752         Add reloc offset information.
5753         * icf.cc (get_section_contents): Change iterators to point to the new
5754         vectors. Add reloc offset information to the contents.
5755         * icf.h (Icf::Sections_reachable_info): New typedef.
5756         (Icf::Sections_reachable_list): New typedef.
5757         (Icf::Offset_info): New typedef.
5758         (Icf::Reloc_info): New struct typedef.
5759         (Icf::Reloc_info_list): New typedef.
5760         (Icf::symbol_reloc_list): Delete method.
5761         (Icf::addend_reloc_list): Delete method.
5762         (Icf::section_reloc_list): Delete method.
5763         (Icf::reloc_info_list): New method.
5764         (Icf::reloc_info_list_): New member.
5765
5766 2010-02-19  Doug Kwan  <dougkwan@google.com>
5767
5768         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5769         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5770         * arm.cc (Arm_relocation_functions): New forward declaration.
5771         (Target_arm::Target_arm): Initialize new data members
5772         got_mod_index_offset_ and tls_base_symbol_defined_.
5773         (Target_arm::Relocate::relocate_tls): New method.
5774         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5775          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5776         New methods.
5777         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5778         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5779         (Target_arm::got_mod_index_offset_,
5780         Target_arm::tls_base_symbol_defined_): New data members.
5781         (Target_arm::Scan::local, Target::Scan::global,
5782         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5783         relocations.
5784
5785 2010-02-18  Doug Kwan  <dougkwan@google.com>
5786
5787         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5788         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5789         text section as a parameter becuase some broken tools may not set
5790         the link in section header.
5791         (Target_arm::has_got_section): New method.
5792         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5793         without any mapping symbol as data only.  Remove warning.
5794         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5795         link in its section header, try to discover the link by inspecting the
5796         REL31 relocation at the beginning of the section.
5797         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5798         in error message.
5799         (Target_arm::Scan::global): Treat any reference to the symbol
5800         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5801
5802 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5803
5804         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5805         (Scan::global_reloc_may_be_function_pointer): New function.
5806         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5807         (Scan::global_reloc_may_be_function_pointer): New function.
5808         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5809         (Scan::global_reloc_may_be_function_pointer): New function.
5810         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5811         (Scan::global_reloc_may_be_function_pointer): New function.
5812         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5813         (Scan::global_reloc_may_be_function_pointer): New function.
5814         (Scan::possible_function_pointer_reloc): New function.
5815         (Target_x86_64::can_check_for_function_pointers): New function.
5816         * gc.h (gc_process_relocs): Scan relocation types to determine if
5817         function pointers were taken for targets that support it.
5818         * icf.cc (Icf::find_identical_sections): Include functions for
5819         folding in safe ICF whose pointer is not taken.
5820         * icf.h (Secn_fptr_taken_set): New typedef.
5821         (fptr_section_id_): New member.
5822         (section_has_function_pointers): New function.
5823         (set_section_has_function_pointers): New function.
5824         (check_section_for_function_pointers): New function.
5825         * options.h: Fix comment for safe ICF option.
5826         * target.h (can_check_for_function_pointers): New function.
5827         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5828         Modify icf_safe_test for X86-64.
5829         * testsuite/Makefile.in: Regenerate.
5830         * testsuite/icf_safe_so_test.cc: New file.
5831         * testsuite/icf_safe_so_test.sh: New file.
5832         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5833         (main): Change to take pointer to function kept_func_3.
5834         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5835         folding is done correctly for X86-64.
5836
5837 2010-02-12  David S. Miller  <davem@davemloft.net>
5838
5839         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5840         is_symbolless parameter.
5841         (Output_reloc<SHT_REL>::is_symbolless): New.
5842         (Output_reloc<SHT_REL>::is_symbolless_): New.
5843         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5844         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5845         (Output_reloc<SHT_RELA>::is_symbolless): New.
5846         (Output_data_reloc::add_global): Handle is_symbolless.
5847         (Output_data_reloc::add_global_relative): Likewise.
5848         (Output_data_reloc::add_local): Likewise.
5849         (Output_data_reloc::add_local_relative): Likewise.
5850         (Output_data_reloc::add_symbolless_global_addend): New.
5851         (Output_data_reloc::add_symbolless_local_addend): New.
5852         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5853         is_symbolless.
5854         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5855         instead of ->is_relative_
5856         (Output_reloc::write): Likewise.
5857         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5858         (Output_reloc::write_rel): Simplify.
5859
5860         * sparc.cc (Target_sparc::Scan::local): Use
5861         ->add_symbolless_local_addend as needed.
5862         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5863         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5864         based upon relocation offset.
5865
5866 2010-02-11  Doug Kwan  <dougkwan@google.com>
5867
5868         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5869         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5870         beginning of function.
5871         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5872         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5873         parameter is_32bit in calls to should_apply_static_reloc.
5874         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5875         (check_DATA): Add arm_abs_global.stdout.
5876         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5877         arm_abs_global.stdout): New rules.
5878         (MOSTLLYCLEANFILES): Add arm_abs_global
5879         * Makefile.in: Regenerate.
5880         * testsuite/arm_abs_global.s: New file.
5881         * testsuite/arm_abs_global.sh: Ditto.
5882         * testsuite/arm_abs_lib.s: Ditto.
5883
5884 2010-02-11  Ian Lance Taylor  <iant@google.com>
5885
5886         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5887         Read_relocs task.
5888         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5889         Allocate_commons_task first.
5890         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5891         task, rather than symtab_lock_.
5892         (Gc_process_relocs::~Gc_process_relocs): New function.
5893         (Gc_process_relocs::is_runnable): Check this_blocker_.
5894         (Gc_process_relocs::locks): Use next_blocker_ rather than
5895         blocker_.
5896         (Scan_relocs::~Scan_relocs): New function.
5897         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5898         symtab_lock_.
5899         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5900         next_blocker_.
5901         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5902         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5903         constructor accordingly.
5904         (class Gc_process_relocs): Likewise.
5905         (class Scan_relocs): Likewise.
5906         * common.h (class Allocate_commons_task): Remove symtab_lock_
5907         field, and corresponding constructor parameter.
5908         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5909         symtab_lock_.
5910         (Allocate_commons_task::locks): Likewise.
5911
5912 2010-02-11  Ian Lance Taylor  <iant@google.com>
5913
5914         * gold-threads.h (class Once): Define.
5915         (class Initialize_lock): Rewrite as child of Once.
5916         * gold-threads.cc (class Once_initialize): Define.
5917         (once_pointer_control): New static variable.
5918         (once_pointer, once_arg): New static variables.
5919         (c_run_once): New static function.
5920         (Once::Once, Once::run_once, Once::internal_run): New functions.
5921         (class Initialize_lock_once): Remove.
5922         (initialize_lock_control): Remove.
5923         (initialize_lock_pointer): Remove.
5924         (initialize_lock_once): Remove.
5925         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5926         (Initialize_lock::initialize): Rewrite.
5927         (Initialize_lock::do_run_once): New function.
5928         * archive.cc (Archive::interpret_header): Only clear name if it is
5929         not already empty.
5930         * fileread.cc: Include "gold-threads.h"
5931         (file_counts_lock): New static variable.
5932         (file_counts_initialize_lock): Likewise.
5933         (File_read::release): Only increment counts when using --stats.
5934         Use a lock around the increment.
5935         * parameters.cc (class Set_parameters_target_once): Define.
5936         (set_parameters_target_once): New static variable.
5937         (Parameters::Parameters): Move here from parameters.h.
5938         (Parameters::set_target): Rewrite.
5939         (Parameters::set_target_once): New function.
5940         (Parameters::clear_target): Move here and rewrite.
5941         * parameters.h (class Parameters): Update declarations.  Add
5942         set_parameters_target_once_ field.
5943         (Parameters::Parameters): Move to parameters.cc.
5944         (Parameters::clear_target): Likewise.
5945         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5946         task.
5947         (Start_group::~Start_group): New function.
5948         (Start_group::is_runnable): New function.
5949         (Start_group::locks, Start_group::run): New functions.
5950         (Finish_group::run): Change saw_undefined to size_t.
5951         * readsyms.h (class Start_group): Define.
5952         (class Finish_group): Change saw_undefined_ field to size_t.
5953         (Finish_group::Finish_group): Remove saw_undefined and
5954         this_blocker parameters.  Change all callers.
5955         (Finish_group::set_saw_undefined): New function.
5956         (Finish_group::set_blocker): New function.
5957         * symtab.h (class Symbol_table): Change saw_undefined to return
5958         size_t.  Change saw_undefined_ field to size_t.
5959         * target-select.cc (Set_target_once::do_run_once): New function.
5960         (Target_selector::Target_selector): Initialize set_target_once_
5961         field.  Don't initialize lock_ and initialize_lock_ fields.
5962         (Target_selector::instantiate_target): Rewrite.
5963         (Target_selector::set_target): New function.
5964         * target-select.h (class Set_target_once): Define.
5965         (class Target_selector): Update declarations.  Make
5966         Set_target_once a friend.  Remove lock_ and initialize_lock_
5967         fields.  Add set_target_once_ field.
5968
5969 2010-02-10  Ian Lance Taylor  <iant@google.com>
5970
5971         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5972         queueing any tasks.
5973         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5974         (queue_middle_tasks): Add all blockers before queueing any tasks.
5975         (queue_final_tasks): Likewise.
5976         * token.h (Task_token::add_blockers): New function.
5977         * object.h (Input_objects::number_of_relobjs): New function.
5978
5979 2010-02-10  Ian Lance Taylor  <iant@google.com>
5980
5981         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5982         shared, not if not position independent.
5983         * x86_64.cc (Relocate::relocate_tls): Likewise.
5984         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5985         (tls_pie_pic_test): New target.
5986         * testsuite/Makefile.in: Rebuild.
5987
5988         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5989         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5990         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5991         * testsuite/Makefile.in: Rebuild.
5992
5993 2010-02-09  David S. Miller  <davem@davemloft.net>
5994
5995         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5996         R_SPARC_RELATIVE using ->add_local_relative().
5997         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5998
5999         * output.h (Output_data_dynamic::add_section_size): New method
6000         that takes two Output_data objects.
6001         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
6002         entry param.  Handle it in initializers.
6003         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
6004         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
6005         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
6006         arg.
6007         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
6008         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
6009         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
6010         for dynrel_includes_plt.
6011         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6012         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6013         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
6014         before .rela.plt
6015         (Target_sparc::do_finalize_sections): Update to pass true for
6016         dynrel_includes_plt.
6017         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
6018         output before .rela.plt
6019         (Target_powerpc::do_finalize_sections): Update to pass true for
6020         dynrel_includes_plt when 32-bit.
6021
6022 2010-02-08  Doug Kwan  <dougkwan@google.com>
6023
6024         * arm.cc (Arm_relobj::simple_input_section_output_address): New
6025         method.
6026         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
6027         Arm_relobj::scan_section_for_cortex_a8_stubs,
6028         Arm_relobj::do_relocation_section): Instead of calling
6029         Output_section::output_address, use faster
6030         Arm_relobj::simple_input_section_output_address.
6031
6032 2010-02-08  David S. Miller  <davem@davemloft.net>
6033
6034         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
6035         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
6036         relocation helper function.
6037
6038         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
6039         just like R_SPARC_GOT{10,13,22}.
6040         (Target_sparc::Scan::local): Likewise.
6041         (Target_sparc::Relocate:relocate): Likewise.
6042
6043 2010-02-06  Ian Lance Taylor  <iant@google.com>
6044
6045         * configure.ac: Rewrite targetobjs duplicate removal code to use
6046         only shell constructs.
6047         * configure: Rebuild.
6048
6049 2010-02-05  Doug Kwan  <dougkwan@google.com>
6050
6051         PR 11247
6052         * arm.cc (Arm_relobj::section_is_scannable): New method.
6053         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
6054         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
6055
6056 2010-02-04  Doug Kwan  <dougkwan@google.com>
6057
6058         PR 11247
6059         * arm-reloc-property.cc (cstdio): Include.
6060         * configure.ac (targetobjs): Remove duplicates.
6061         * configure: Regenerate.
6062         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
6063         big and little endian version for a given address size.
6064
6065 2010-02-03  Doug Kwan  <dougkwan@google.com>
6066
6067         * arm-reloc-property.cc
6068         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6069         definition.
6070         * arm-reloc-property.h
6071         (Arm_reloc_property_table::get_implemented_static_reloc_property):
6072         New method definition.
6073         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6074         declaration.
6075         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
6076         overflow to N.
6077         (GOT_PREL): Change implemented to Y.
6078         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
6079         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
6080         (Arm_relocate_functions::movw_abs_nc): Remove method.
6081         (Arm_relocate_functions::movt_abs): Ditto.
6082         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
6083         (Arm_relocate_functions::thm_movt_abs): Ditto.
6084         (Arm_relocate_functions::movw_rel_nc): Ditto.
6085         (Arm_relocate_functions::movw_rel): Ditto.
6086         (Arm_relocate_functions::movt_rel): Ditto.
6087         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
6088         (Arm_relocate_functions:thm_movw_rel): Ditto.
6089         (Arm_relocate_functions:thm_movt_rel): Ditto.
6090         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
6091         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
6092         New method definitions.
6093         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
6094         (Arm_relocation_functions::arm_grp_ldr): Ditto.
6095         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
6096         (Arm_relocation_functions::arm_grp_ldc): Ditto.
6097         (Target_arm::Relocate::relocate): Check for non-static or
6098         unimplemented relocation code and exit early.  Change calls to
6099         Target_arm::reloc_uses_thumb_bit and
6100         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
6101         instead.  Refactor code to handle similar relocations to increase
6102         code sharing.  Remove check for unsupported relocation code in switch
6103         statement.
6104         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
6105         relocation property table to find out size.  Change error message to
6106         print out the name of a relocation code instead of the numeric value.
6107         (Target_arm::scan_reloc_for_stub): Use relocation property table
6108         instead of calling Target_arm::reloc_uses_thumb_bit().
6109
6110 2010-02-02  Doug Kwan  <dougkwan@google.com>
6111
6112         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
6113         types of relaxed input section.
6114
6115 2010-02-02  Doug Kwan  <dougkwan@google.com>
6116
6117         * Makefile.am (HFILES): Add arm-reloc-property.h.
6118         (DEFFILES): New.
6119         (TARGETSOURCES): Add arm-reloc-property.cc
6120         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
6121         (libgold_a_SOURCES): $(DEFFILES)
6122         * Makefile.in: Regenerate.
6123         * arm-reloc-property.cc: New file.
6124         * arm-reloc-property.h: New file.
6125         * arm-reloc.def: New file.
6126         * arm.cc: Update comments.
6127         (arm-reloc-property.h): New included header.
6128         (arm_reloc_property_table): New global variable.
6129         (Target_arm::do_select_as_default_target): New method definition.
6130         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
6131         arm-reloc-property to targ_extra_obj.
6132         * parameters.cc (set_parameters_target): Call
6133         Target::select_as_default_target().
6134         * target.h (Target::select_as_default_target): New method definition.
6135         (Target::do_select_as_default_target): Same.
6136
6137 2010-02-01  Doug Kwan  <dougkwan@google.com>
6138
6139         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
6140         first_output_text_section_.
6141         (Arm_exidx_fixup::first_output_text_section): New method definition.
6142         (Arm_exidx_fixup::first_output_text_section_): New data member.
6143         (Arm_exidx_fixup::process_exidx_section): Record the first text
6144         output section seen.
6145         (Arm_output_section::fix_exidx_coverage): Set correct linked section
6146         and entsize in output section header.
6147
6148 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6149
6150         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
6151         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
6152         (Arm_relocate_functions::thm_alu11): New Method.
6153         (Arm_relocate_functions::thm_pc8): New Method.
6154         (Arm_relocate_functions::thm_pc12): New Method.
6155         (Target_arm::Scan::local): Handle the relocations.
6156         (Target_arm::Scan::global): Likewise.
6157         (Target_arm::Relocate::relocate): Likewise.
6158         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6159
6160 2010-01-29  Doug Kwan  <dougkwan@google.com>
6161
6162         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
6163         of relocation types as ld.
6164
6165 2010-01-29  Doug Kwan  <dougkwan@google.com>
6166
6167         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6168         to public.
6169         (Arm_relocate_functions::thumb_branch_common): Ditto.
6170         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6171         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6172         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6173         Arm_relocate_functions::jump24): Remove.
6174         (Target_arm::Relocate::relocate): Adjust code to call
6175         Arm_relocation_functions::arm_branch_common and
6176         Arm_relocation_functions::thumb_branch_common instead of their removed
6177         wrappers.  Merge switch-cases together to reduce source code size.
6178
6179 2010-01-29  Doug Kwan  <dougkwan@google.com>
6180
6181         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6182         output_local_symbol_count_needs_update_.
6183         (Arm_relobj::output_local_symbol_count_needs_update,
6184          Arm_relobj::set_output_local_symbol_count_needs_update,
6185          Arm_relobj::update_output_local_symbol_count): New methods.
6186         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6187         member.
6188         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6189         of pointed function as in a R_ARM_PREL31 relocation.
6190         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6191         for output local symbol count updating.
6192         (Target_arm::do_relax): Update output local symbol counts in objects
6193         if necessary.
6194         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6195
6196 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6197
6198         * arm.cc: Added support for the ARM relocations:
6199         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6200         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6201         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6202         movw_prel_nc).
6203         (Arm_relocate_functions::movw_rel): New method.
6204         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6205         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6206         thm_movw_prel_nc).
6207         (Arm_relocate_functions::thm_movw_rel): New method.
6208         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6209         thm_movt_prel).
6210         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6211         relocations.
6212         (Target_arm::Scan::global): Likewise.
6213         (Target_arm::Relocate::relocate): Likewise.
6214         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6215         Likewise.
6216
6217 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6218
6219         * arm.cc: Added support for ARM group relocations.
6220         (Target_arm::reloc_needs_sym_origin): New method.
6221         (Arm_relocate_functions::calc_grp_kn): New method.
6222         (Arm_relocate_functions::calc_grp_residual): New method.
6223         (Arm_relocate_functions::calc_grp_gn): New method.
6224         (Arm_relocate_functions::arm_grp_alu): New Method.
6225         (Arm_relocate_functions::arm_grp_ldr): New Method.
6226         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6227         (Arm_relocate_functions::arm_grp_ldc): New Method.
6228         (Target_arm::Scan::local): Handle the ARM group relocations.
6229         (Target_arm::Scan::global): Likewise.
6230         (Target_arm::Relocate::relocate): Likewise.
6231         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6232         Likewise.
6233
6234 2010-01-26  Doug Kwan  <dougkwan@google.com>
6235
6236         * arm.cc (set): Include.
6237         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6238         pointer type.
6239         (Arm_output_section::Text_section_list): New type.
6240         (Arm_output_section::append_text_sections_to_list): New method.
6241         (Arm_output_section::fix_exidx_coverage): Ditto.
6242         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6243         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6244         Relobj::set_section_offset() instead of
6245         Sized_relobj::invalidate_section_offset().
6246         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6247         parameter for section headers. Ignore relocation sections for
6248         unallocated sections and EXIDX sections.
6249         (Target_arm::fix_exidx_coverage): New method.
6250         (Target_arm::output_section_address_less_than): New type.
6251         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6252         linked text section instead of the EXIDX section.
6253         (Arm_output_section::create_stub_group): Add an assertion to check
6254         that this is not an EXIDX output section.
6255         (Arm_output_section::append_text_sections_to_list): New method.
6256         (Arm_output_section::fix_exidx_coverage): Ditto.
6257         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6258         Arm_relobj::section_needs_reloc_stub_scanning.
6259         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6260         first pass.
6261         (Target_arm::fix_exidx_coverage): New method.
6262         * object.h (Relobj::set_output_section): New method.
6263         (Sized_relobj::invalidate_section_offset): Remove method.
6264         (Sized_relobj::do_invalidate_section_offset): Remove method.
6265         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6266
6267 2010-01-25  Doug Kwan  <dougkwan@google.com>
6268
6269         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6270         Fix warning due to signed and unsigned comparison on a 32-bit host.
6271
6272 2010-01-22  Doug Kwan  <dougkwan@google.com>
6273
6274         * arm.cc (Target_arm::do_relax): Record an output section for section
6275         offset adjustment it contains any stub table that has changed.
6276         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6277         offsets in an output section if necessary.
6278         * output.cc (Output_section::Output_section): Initialize
6279         section_offsets_need_adjustments_.
6280         (Output_section::add_input_section_for_script): Renamed to
6281         Output_section::add_simple_input_section.
6282         (Output_section::save_states): Add a comment.
6283         (Output_section::discard_states): New method defintion.
6284         (Output_section::adjust_section_offsets): Same.
6285         * output.h (Output_section::add_input_section_for_script): Renamed to
6286         Output_section::add_simple_input_section.
6287         (Output_section::discard_states): New method declaration.
6288         (Output_section::adjust_section_offsets): Same.
6289         (Output_section::section_offsets_need_adjustment,
6290         Output_section::set_section_offsets_need_adjustment): New method
6291         definitions.
6292         (Output_section::section_offsets_need_adjustment_): New data member.
6293         * script-sections.cc
6294         (Output_section_element_input::set_section_address): Adjust code for
6295         renaming of Output_section::add_input_section_for_script.
6296         (Orphan_output_section::set_section_address): Same.
6297
6298 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6299
6300         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6301         Fix_v4bx enum values .
6302         * gold/options.h (General_options): New option definitions.
6303         (General_options::fix_v4bx): New method.
6304         (General_options::Fix_v4bx): New enum.
6305         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6306         (General_options::parse_fix_v4bx_interworking): New method.
6307
6308 2010-01-22  Doug Kwan  <dougkwan@google.com>
6309
6310         * arm.cc (Arm_exidx_fixup): New class.
6311
6312 2010-01-21  Doug Kwan  <dougkwan@google.com>
6313
6314         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6315         classes.
6316         (Arm_exidx_section_offset_map): New type.
6317
6318 2010-01-21  Doug Kwan  <dougkwan@google.com>
6319
6320         * arm.cc (Arm_exidx_input_section): New class.
6321         (Arm_relobj::exidx_input_section_by_link,
6322         Arm_relobj::exidx_input_section_by_shndx,
6323         Arm_relobj::make_exidx_input_section): New methods.
6324         (read_arm_attributes_section): Remove.
6325         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6326         information about them.
6327         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6328         to here.
6329
6330 2010-01-20  Doug Kwan  <dougkwan@google.com>
6331
6332         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6333         Input_section_specifier to Section_id.
6334         (Target_arm::new_arm_input_section: Adjust code for change of key
6335         type.
6336         (Target_arm::find_arm_input_section): Ditto.
6337         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6338         (Section_id): Remove.
6339         (Garbage_collection::Section_id_hash): Remove.
6340         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6341         (Section_id): Remove.
6342         (Icf::Section_id_hash): Remove.
6343         * object.h (Section_id, Const_section_id, Section_id_hash,
6344         Const_section_id_hash): New type definitions.
6345         * output.cc (Output_section::add_relaxed_input_section): Change to
6346         use Const_section_id instead of Input_section_specifier as key type.
6347         (Output_section::add_merge_input_section): Ditto.
6348         (Output_section::build_relaxation_map): Change to use Section_id
6349         instead of Input_section_specifier as key type.
6350         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6351         Ditto.
6352         (Output_section::convert_input_sections_to_relaxed_sections): Change
6353         to use Const_section_id instead of Input_section_specifier as key type.
6354         (Output_section::find_merge_section): Ditto.
6355         (Output_section::find_relaxed_input_section): Ditto.
6356         * output.h (Input_section_specifier): Remove class.
6357         (Output_section::Output_section_data_by_input_section_map): Change
6358         key type to Const_section_id.
6359         (Output_section::Output_relaxed_input_section_by_input_section_map):
6360         Ditto.
6361         (Output_section::Relaxation_map): Change key type to Section_id.
6362
6363 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6364
6365         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6366         (class Arm_v4bx_stub): New class.
6367         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6368         (Stub_factory::make_arm_v4bx_stub): New method.
6369         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6370         (Stub_table::empty): Handle v4bx stubs.
6371         (Stub_table::add_arm_v4bx_stub): New method.
6372         (Stub_table::find_arm_v4bx_stub): New method.
6373         (Arm_relocate_functions::v4bx): New method.
6374         (Target_arm::fix_v4bx): New method.
6375         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6376         (Stub_table::relocate_stubs): Likewise.
6377         (Stub_table::do_write): Likewise.
6378         (Stub_table::update_data_size_and_addralign): Likewise.
6379         (Stub_table::finalize_stubs):  Likewise.
6380         (Target_arm::Scan::local): Likewise.
6381         (Target_arm::Scan::global): Likewise.
6382         (Target_arm::do_finalize_sections): Likewise.
6383         (Target_arm::Relocate::relocate): Likewise.
6384         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6385         Likewise.
6386         (Target_arm::scan_reloc_for_stub): Likewise.
6387         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6388
6389 2010-01-19  Ian Lance Taylor  <iant@google.com>
6390
6391         * output.cc (Output_section_headers::do_sized_write): Write large
6392         segment count to sh_info field.
6393         (Output_file_header::do_sized_write): For large segment count,
6394         write PN_XNUM to e_phnum field.
6395
6396 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6397
6398         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6399         (Arm_relocate_functions::thm_jump8): New function.
6400         (Arm_relocate_functions::thm_jump11): New function.
6401         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6402         R_ARM_THM_JUMP11.
6403         (Target_arm::Scan::global): Likewise.
6404         (Target_arm::Relocate::relocate): Likewise.
6405         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6406         Likewise.
6407
6408 2010-01-14  Doug Kwan  <dougkwan@google.com>
6409
6410         * arm.cc (map, utility): Include headers.
6411         (Target_arm::apply_cortex_a8_workaround): New method.
6412         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6413         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6414         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6415         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6416         the --[no-]fix-cortex-a8 command line options.
6417         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6418         (Target_arm::relocate_stub): Use addend in instruction template.
6419         * options.h (DEFINE_bool): Set the user-set flag.
6420         (General_options): Add --[no-]-fix-cortex options.
6421         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6422         : Update fast look-up map after conversion.
6423
6424 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6425
6426         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6427         in the first pass of do_layout.
6428
6429 2010-01-13  Doug Kwan  <dougkwan@google.com>
6430
6431         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6432         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6433         apparent compiler problem of not folding static constant integral
6434         data members of elfcpp::Elf_sizes<32>.
6435
6436 2010-01-13  Doug Kwan  <dougkwan@google.com>
6437
6438         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6439         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6440         Arm_relobj::scan_section_for_cortex_a8_erratum,
6441         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6442         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6443         sections to scan for relocation stubs into a new method
6444         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6445         relocation and Cortex-A8 stub scanning.
6446         (Target_arm::do_relax): Force stubs to be after stubbed sections
6447         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6448         the beginning of a new relaxation pass.  Update a comment.
6449         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6450
6451 2010-01-12  Ian Lance Taylor  <iant@google.com>
6452
6453         * target-reloc.h (visibility_error): New inline function.
6454         (relocate_section): Call visibility_error.
6455         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6456         (MOSTLYCLEANFILES): Likewise.
6457         (protected_4_pic.o, protected_3.err): New targets.
6458         * testsuite/protected_4.cc: New file.
6459
6460 2010-01-12  Doug Kwan  <dougkwan@google.com>
6461
6462         * arm.cc (Cortex_a8_reloc): New class.
6463         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6464         and cortex_a8_relocs_info_.
6465         (Target_arm::fix_cortex_a8): New method definition.
6466         (Target_arm::Cortex_a8_relocs_info): New type.
6467         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6468         New data member declarations.
6469         (Target_arm::scan_reloc_for_stub): Record information about
6470         relocations for THUMB branches that might be exempted from the
6471         Cortex-A8 workaround.
6472         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6473         at the beginning of a relaxation pass.
6474
6475 2010-01-12  Doug Kwan  <dougkwan@google.com>
6476
6477         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6478         (Arm_relobj::Mapping_symbol_position,
6479          Arm_reloj::Mapping_symbol_position_less,
6480          Arm_relobj::Mapping_symbols_info): New types.
6481         (Target_arm::is_mapping_symbol_name): New method definition.
6482         (Arm_relobj::do_count_local_symbols): Save information about mapping
6483         symbols.
6484
6485 2010-01-11  Doug Kwan  <dougkwan@google.com>
6486
6487         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6488         Arm_relocate_functions::thumb32_branch_upper,
6489         Arm_relocate_functions::thumb32_branch_lower,
6490         Arm_relocate_functions::thumb32_cond_branch_offset,
6491         Arm_relocate_functions::thumb32_cond_branch_upper,
6492         Arm_relocate_functions::thumb32_cond_branch_lower,
6493         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6494         branch offset encoding.
6495         (Arm_relocate_functions::thumb_branch_common): Use new branch
6496         offset encoding methods to avoid code duplication.
6497         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6498         (Stub_addend_reader::operator()): Use new branch encoding method
6499         to avoid code duplication.
6500
6501 2010-01-11  Doug Kwan  <dougkwan@google.com>
6502
6503         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6504         (Target_arm::do_finalize_sections): Define special EXIDX section
6505         symbols only if referenced.
6506         * gc.h (Garbage_collection::add_reference): New method.
6507         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6508         code duplication.
6509
6510 2010-01-11  Ian Lance Taylor  <iant@google.com>
6511
6512         * script.cc (Version_script_info::build_expression_list_lookup):
6513         Change complaing about duplicate wildcard match from error to
6514         warning.
6515
6516         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6517         of 2009-12-30.
6518         (Version_script_info::Version_script_info): Initialize globs_,
6519         default_version_, default_is_global_, and exact_.  Don't
6520         initialize globals_ or locals_.
6521         (Version_script_info::build_lookup_tables): Build local symbols
6522         first.
6523         (Version_script_info::unquote): New function.
6524         (Version_script_info::add_exact_match): New function.
6525         (Version_script_info::build_expression_list_lookup): Remove lookup
6526         parameter.  Add is_global parameter.  Change all callers.  Handle
6527         wildcard pattern specially.  Unquote pattern.  Call
6528         add_exact_match.
6529         (Version_script_info::get_name_to_match): New function.
6530         (Version_script_info::get_symbol_version): New function.
6531         (Version_script_info::get_symbol_version_helper): Remove.
6532         (Version_script_info::check_unmatched_names): Call unquote.
6533         * script.h (class Version_script_info): Change get_symbol_version
6534         to be non-inline and add is_global parameter; change all callers.
6535         Rewrite symbol_is_local.  Update declarations.  Define struct
6536         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6537         Remove globals_ and locals_ members.  Add exact_, globs_,
6538         default_version_, is_global_.
6539         (Version_script_info::Glob): Remove pattern, add expression and
6540         is_global.  Update constructor.  Change all callers.
6541         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6542         default version.
6543         (Versions::symbol_section_contents): If a symbol is undefined, or
6544         defined in a dynamic object, set the version index to
6545         VER_NDX_LOCAL.
6546         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6547         symbol_is_local.
6548         (Symbol_table::add_from_pluginobj): Likewise.
6549         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6550
6551 2010-01-11  Doug Kwan  <dougkwan@google.com>
6552
6553         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6554         (incremental_dump_LDADD): Add linking option for libintl.
6555         * Makefile.in: Regenerate.
6556
6557 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6558
6559         PR gold/11144
6560         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6561         instead of -Ds.
6562         * testsuite/Makefile.in: Regenerated.
6563
6564 2010-01-10  Doug Kwan  <dougkwan@google.com>
6565
6566         * options.h (DEFINE_var): Use parentheses around argument varname__
6567         in macro body to avoid any unintended subsequent substitutions.
6568
6569 2010-01-10  Ian Lance Taylor  <iant@google.com>
6570
6571         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6572         candidates before doing symbol resolution.
6573
6574         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6575         ODR candidates if only one is weak.
6576
6577 2010-01-08  Ian Lance Taylor  <iant@google.com>
6578
6579         * script.cc (Version_script_info::build_expression_list_lookup):
6580         Don't warn about ambiguous version, just record the ambiguity.
6581         (Version_script_info::get_symbol_version_helper): Give error if
6582         version is ambiguous.
6583
6584 2010-01-08  Doug Kwan  <dougkwan@google.com>
6585
6586         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6587           prev_data_size_ and prev_addralign_.  Remove initializer for
6588           deleted data member has_been_changed_.
6589           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6590           to determine if the table is empty.
6591           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6592           Remove.
6593           (Stub_table::add_reloc_stub): Define method in class definition
6594           instead of just declaring it there.
6595           (Stub_table::add_cortex_a8_stub): New method definition.
6596           (Stub_table::update_data_size_and_addralign): Ditto.
6597           (Stub_table::finalize_stubs): Ditto.
6598           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6599           (Stub_table::do_addralign_): Return address alignment in the
6600           (Stub_table::do_reset_address_and_file_offset): Define method in
6601           class definition instead of declaring it there.  Set current data
6602           size to be the data size of the previous pass.
6603           (Stub_table::set_final_data_size): Use current data size as the
6604           final data size.
6605           (Stub_table::relocate_stub): Change parameter type of stub from
6606           Reloc_stub pointer to Stub pointer.
6607           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6608           (Stub_table::Cortex_a8_stub_list): New typedef.
6609           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6610            Stub_table::prev_addralign_): New data member.
6611           (Arm_relobj::Arm_relobj): Initialize data member
6612           section_has_cortex_a8_workaround_.
6613           (Arm_relobj::section_has_cortex_a8_workaround,
6614            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6615            definitions.
6616           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6617           declarations.
6618           (Target_arm::relocate_stub): Change parameter type of stub from
6619           Reloc_stub pointer to Stub pointer.
6620           (Insn_template::size, Insn_template::alignment): Handle
6621           THUMB16_SPECIAL_TYPE.
6622           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6623            Stub_table::update_data_size_and_addralign,
6624            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6625           definitions.
6626           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6627           (Stub_table::do_write): Ditto.
6628           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6629
6630 2010-01-08  Ian Lance Taylor  <iant@google.com>
6631
6632         PR 11108
6633         * symtab.h (class Symbol): Remove fields is_target_special_ and
6634         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6635         (Symbol::is_defined_in_discarded_section): New function.
6636         (Symbol::set_is_defined_in_discarded_section): New function.
6637         (Symbol::has_plt_offset): Rewrite.
6638         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6639         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6640         Don't initialize is_target_special_ or has_plt_offset_.
6641         Initialize is_defined_in_discarded_section_.
6642         (Symbol_table::add_from_relobj): If appropriate, set
6643         is_defined_in_discarded_section.
6644         * resolve.cc (Symbol::override_base_with_special): Don't test
6645         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6646         * target-reloc.h (relocate_section): Do special handling for
6647         symbols defined in discarded sections for global symbols as well
6648         as local symbols.
6649
6650 2010-01-08  Ian Lance Taylor  <iant@google.com>
6651
6652         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6653         the SHT_SYMTAB case.
6654
6655 2010-01-08  Ian Lance Taylor  <iant@google.com>
6656
6657         * object.cc (Sized_relobj::do_layout): Don't get confused if
6658         layout_eh_frame returns NULL.
6659
6660 2010-01-08  Ian Lance Taylor  <iant@google.com>
6661
6662         PR 11084
6663         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6664         dynamic symbol table, use the normal symbol table.
6665         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6666         symbol table.
6667
6668 2010-01-08  Ian Lance Taylor  <iant@google.com>
6669
6670         PR 11072
6671         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6672         sections.
6673
6674 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6675
6676         * version.cc (print_version): Change to "Copyright 2010".
6677
6678 2010-01-08  Ian Lance Taylor  <iant@google.com>
6679
6680         PR 10287
6681         PR 11063
6682         * i386.cc (class Target_i386): Change return type of plt_section
6683         to be non-const.
6684         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6685         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6686         tls_desc_rel_ field.
6687         (Output_data_plt_i386::rel_tls_desc): New function.
6688         (Target_i386::rel_tls_desc_section): New function.
6689         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6690         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6691         R_386_TLS_DESC reloc in rel_tls_desc_section.
6692         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6693         Define struct Tlsdesc_info.
6694         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6695         (Target_x86_64::do_reloc_symbol_index): New function.
6696         (Target_x86_64::add_tlsdesc_info): New function.
6697         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6698         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6699         tlsdesc_rel_ field.
6700         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6701         all callers.
6702         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6703         (Target_x86_64::rela_tlsdesc_section): New function.
6704         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6705         handling.
6706         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6707         (Target_x86_64::do_reloc_addend): New function.
6708         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6709         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6710         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6711         (Output_reloc::type): New function.
6712         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6713         (Output_reloc::is_target_specific): New function.
6714         (Output_reloc::target_arg): New function.
6715         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6716         absolute relocs and target specific relocs.
6717         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6718         add_target_specific.
6719         (class Output_data_reloc) [SHT_RELA]: Likewise.
6720         * output.cc (Output_reloc::Output_reloc): Add four new versions
6721         for absolute relocs and target specific relocs.
6722         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6723         (Output_reloc::get_symbol_index): Likewise.
6724         (Output_reloc::local_section_offset): Check that local_sym_index_
6725         is not TARGET_CODE or 0.
6726         (Output_reloc::symbol_value): Likewise.
6727         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6728         reloc.
6729         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6730         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6731         functions.
6732         * layout.cc (add_target_dynamic_tags): Use output section for
6733         DT_PLTRELSZ and DT_JMPREL.
6734
6735 2010-01-07  Ian Lance Taylor  <iant@google.com>
6736
6737         PR 11061
6738         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6739         function.
6740         (class Output_data_reloc_generic): Define.
6741         (class Output_data_reloc_base): Change base class to
6742         Output_data_reloc_generic.  Change add() method to call
6743         bump_relative_reloc_count for a relative reloc.  Remove
6744         sort_relocs_ field.
6745         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6746         to sort_relocs().
6747         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6748         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6749         appropriate.
6750         * layout.h (class Layout): Update declaration.
6751
6752 2010-01-07  Ian Lance Taylor  <iant@google.com>
6753
6754         * output.h (class Output_data): Add const version of
6755         output_section and do_output_section.
6756         (class Output_section_data): Add const version of
6757         do_output_section.
6758         (class Output_section): Likewise.
6759         * layout.cc (Layout::add_target_dynamic_tags): New function.
6760         * layout.h (class Layout): Update declarations.
6761         * arm.cc (Target_arm::do_finalize_sections): Use
6762         add_target_dynamic_tags.
6763         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6764         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6765         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6766         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6767
6768 2010-01-07  Ian Lance Taylor  <iant@google.com>
6769
6770         PR 11042
6771         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6772         object as needed.
6773
6774 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6775             Ian Lance Taylor  <iant@google.com>
6776
6777         PR 11019
6778         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6779         Xindex::read_symtab_xindex.
6780
6781 2010-01-07  Doug Kwan  <dougkwan@google.com>
6782
6783         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6784         (Insn_template::thumb16_bcond_insn): New method declaration.
6785         (Insn_template): Fix spelling.
6786         (Stub::thumb16_special): New method declaration.
6787         (Stub::do_write): Define virtual method which was previously pure
6788         virtual.
6789         (Stub::do_thumb16_special): New method declaration.
6790         (Stub::do_fixed_endian_write): New template member.
6791         (Reloc_stub::do_write): Remove.
6792         (Reloc_stub::do_fixed_endian_write): Remove.
6793         (Cortex_a8_stub): New class definition.
6794         (Stub_factory::make_cortex_a8_stub): New method definition.
6795         (Stub_factory::Stub_factory): Add missing static storage class
6796         qualifier for elf32_arm_stub_a8_veneer_blx.
6797
6798 2010-01-07  Ian Lance Taylor  <iant@google.com>
6799
6800         PR 10980
6801         * options.h (class General_options): Add --warn-unresolved-symbols
6802         and --error-unresolved-symbols.
6803         * errors.cc (Errors::undefined_symbol): Implement
6804         --warn-unresolved-symbols.
6805
6806         * options.h (class General_options): Add -z text and -z textoff.
6807         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6808
6809 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6810
6811         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6812         (Garbage_collection::cident_sections): New function.
6813         (Garbage_collection::add_cident_section): New function.
6814         (Garbage_collection::cident_sections_): New member.
6815         (gc_process_relocs): Add references to sections whose names are C
6816         identifiers.
6817         * gold.h (cident_section_start_prefix): New constant.
6818         (cident_section_stop_prefix): New constant.
6819         (is_cident): New function.
6820         * layout.cc (Layout::define_section_symbols): Replace string constants
6821         with the newly defined constants.
6822         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6823         C identifiers.
6824         * testsuite/Makefile.am: Add gc_orphan_section_test.
6825         * testsuite/Makefile.in: Regenerate.
6826         * testsuite/gc_orphan_section_test.cc: New file.
6827         * testsuite/gc_orphan_section_test.sh: New file.
6828
6829 2010-01-06  Ian Lance Taylor  <iant@google.com>
6830
6831         PR 10980
6832         * options.h (class General_options): Add --warn-shared-textrel.
6833         * layout.cc (Layout::finish_dynamic_section): Implement
6834         --warn-shared-textrel.
6835
6836         PR 10980
6837         * options.h (class General_options): Add --warn-multiple-gp.
6838
6839 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6840
6841         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6842         $(THREADSLIB) and $(LIBDL).
6843         * Makefile.in: Rebuild.
6844
6845 2010-01-06  Ian Lance Taylor  <iant@google.com>
6846
6847         PR 10980
6848         * options.cc (General_options::parse_section_start): New function.
6849         (General_options::section_start): New function.
6850         (General_options::General_options): Initialize all members.
6851         * options.h: Include <map>
6852         (class General_options): Add --section-start.  Add section_starts_
6853         member.
6854         * layout.cc (Layout::attach_allocated_section_to_segment): If
6855         --section-start was used, set the address of the segment.  Remove
6856         local sort_sections.
6857         (Layout::relaxation_loop_body): If the address of the load segment
6858         has been set by --section-start, don't use it.
6859         * output.h (Output_segment::update_flags_for_output_section): New
6860         function.
6861         * output.cc (Output_segment::add_output_section): Call
6862         update_flags_for_output_section.
6863
6864 2010-01-05  Ian Lance Taylor  <iant@google.com>
6865
6866         PR 10980
6867         * options.h (class General_options): Add --undefined-version.
6868         * script.cc (struct Version_expression): Add was_matched_by_symbol
6869         field.
6870         (Version_script_info::matched_symbol): New function.
6871         (Version_script_info::get_symbol_version_helper): Call
6872         matched_symbol.
6873         (Version_script_info::check_unmatched_names): New function.
6874         * script.h (class Version_script_info): Update declarations.
6875         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6876
6877         * options.h (class General_options): Use DEFINE_bool_alias for
6878         allow_multiple_definition.
6879         * resolve.cc (Symbol_table::should_override): Don't test
6880         allow_multiple_definition.
6881
6882         PR 10980
6883         * options.h (class General_options): Add --cref.
6884         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6885         until after printing cref table.
6886         * cref.cc: Include "symtab.h".
6887         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6888         (Cref_table_compare::operator()): New function.
6889         (Cref_inputs::gather_cref): New function.
6890         (filecol): New static const.
6891         (Cref_inputs::print_cref): New function.
6892         (Cref::print_cref): New function.
6893         * cref.h: Include <cstdio>.
6894         (class Cref): Update declarations.
6895         * mapfile.h (Mapfile::file): New function.
6896         * object.h (class Object): Define Symbols.  Declare virtual
6897         do_get_global_symbols.
6898         (Object::get_global_symbols): New function.
6899         * object.cc (Input_objects::add_object): Pass object to cref_ if
6900         --cref.
6901         (Input_objects::archive_start): Likewise.
6902         (Input_objects::archive_stop): Likewise.
6903         (Input_objects::print_cref): New function.
6904         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6905         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6906         --cref.
6907         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6908         function.
6909         * plugin.h (class Sized_pluginobj): Update declarations.
6910
6911 2010-01-05  Ian Lance Taylor  <iant@google.com>
6912
6913         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6914         to is_default_version.  Rename insdef to insdefault.
6915         (Symbol_table::add_from_relobj): Rename def to is_default_version
6916         and local to is_forced_local.
6917         (Symbol_table::add_from_pluginobj): Likewise.
6918         (Symbol_table::add_from_dynobj): Likewise.
6919         (Symbol_table::define_special_symbol): Rename insdef to
6920         insdefault.
6921
6922 2010-01-04  Ian Lance Taylor  <iant@google.com>
6923
6924         PR 10980
6925         * options.h (class General_options): Add
6926         --allow-multiple-definition and -z muldefs.
6927         * resolve.cc (Symbol_table::should_override): Don't warn about a
6928         multiple symbol definition if --allow-multiple-definition or -z
6929         muldefs.
6930
6931         PR 10980
6932         * options.h (class General_options): Add --add-needed and
6933         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6934         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6935         error if --copy-dt-needed-entries aka --add-needed is used and
6936         would cause a change in behaviour.
6937
6938         PR 10980
6939         * options.h (class General_options): Add -G as a short version of
6940         --shared.  Add no-op options -assert, -g, and -i.
6941
6942 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6943
6944         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6945         check for .text or .gnu.linkonce.t sections.
6946         * icf.cc (Icf::find_identical_sections): Ditto.
6947         Change the detection for mangled function name within the section
6948         name.
6949         * icf.h (is_section_foldable_candidate): New function.
6950
6951 2009-12-30  Ian Lance Taylor  <iant@google.com>
6952
6953         PR 10980
6954         * options.h (class General_options): Permit two dashes with
6955         --retain-symbols-file.
6956
6957 2009-12-30  Ian Lance Taylor  <iant@google.com>
6958
6959         PR 10979
6960         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6961         don't put the file header and segment headers in the text
6962         segment.
6963
6964         PR 10979
6965         * common.cc (Sort_commons::operator()): Stabilize sort when both
6966         entries are NULL.
6967         (Symbol_table::do_allocate_commons_list): When allocating common
6968         symbols, skip a symbol which is no longer common.
6969         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6970         an object before checking its type.
6971         * testsuite/common_test_2.c: New file.
6972         * testsuite/common_test_3.c: New file.
6973         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6974         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6975         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6976         (common_test_2_pic.o, common_test_2.so): New targets.
6977         (common_test_3_pic.o, common_test_3.so): New targets.
6978         * testsuite/Makefile.in: Rebuild.
6979
6980         PR 10979
6981         * script.cc (read_input_script): If we see a new SECTIONS clause,
6982         and we have added an input section, give an error.
6983         * layout.h (class Layout): Add have_added_input_section function.
6984         Add have_added_input_section_ field.
6985         * layout.cc (Layout::Layout): Initialize
6986         have_added_input_section_.
6987         (Layout::layout): Set have_added_input_section_.
6988         (Layout::layout_eh_frame): Likewise.
6989
6990 2009-12-30  Ian Lance Taylor  <iant@google.com>
6991
6992         PR 10931
6993         * options.h (class General_options): Add --sort-common option.
6994         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6995         * common.cc (Sort_common): Add sort_order parameter to
6996         constructor.  Add sort_order_ field.
6997         (Sort_commons::operator): Check sort_order_.
6998         (Symbol_table::allocate_commons): Determine the sort order.
6999         (Symbol_table::do_allocate_commons): Add sort_order parameter.
7000         Change all callers.
7001         (Symbol_table::do_allocate_commons_list): Likewise.
7002
7003 2009-12-30  Ian Lance Taylor  <iant@google.com>
7004
7005         PR 10916
7006         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
7007         symbols from this object, don't change the visibility of an
7008         undefined symbol.
7009         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
7010
7011 2009-12-30  Ian Lance Taylor  <iant@google.com>
7012
7013         PR 10861
7014         * script.h (class Version_script_info): Define Language enum.
7015         Update declarations.  Define Glob, Exact, and Lookup types.  Add
7016         new fields globals_, locals_, and is_finalized_.
7017         * script.cc: Various formatting fixes.
7018         (class Parser_closure): Change language_stack_ from a vector of
7019         std::string to one of Version_script_info::Language.  Adjust all
7020         uses accordingly.
7021         (class Lazy_demangler): Remove.
7022         (struct Version_expression): Change language from std::string to
7023         Version_script_info::Language.
7024         (Version_script_info::Version_script_info): New function.
7025         (Version_script_info::~Version_script_info): Don't call clear.
7026         (Version_script_info::finalize): New function.
7027         (Version_script_info::build_lookup_tables): New function.
7028         (Version_script_info::build_expression_list_lookup): New
7029         function.
7030         (Version_script_info::get_symbol_version_helper): Rewrite to use
7031         lookup tables.
7032         (Version_script_info::print_expression_list): Adjust to use
7033         Version_script_info::Language.
7034         (script_push_lex_into_version_mode): Check that the version script
7035         has not been finalized.
7036         (version_script_push_lang): Change language string to
7037         Version_script_info::Language.
7038         * options.cc (Command_line::version_script): New function.
7039         * options.h (class General_options): Add finalize_dynamic_list
7040         function.  Change version_script from declaration to definition.
7041         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
7042         * testsuite/version_script.map: Remove duplicate def of foo.
7043         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
7044         version_script.map.
7045         * testsuite/Makefile.in: Rebuild.
7046
7047 2009-12-30  Ian Lance Taylor  <iant@google.com>
7048
7049         PR 10843
7050         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
7051         if the input symbol index is 0, make the output symbol index 0.
7052
7053 2009-12-30  Ian Lance Taylor  <iant@google.com>
7054
7055         PR 10670
7056         * options.h (class General_options): Add -x/--discard-all.
7057         * object.cc (Sized_relobj::do_count_local_symbols): Handle
7058         --discard-all.  If the local symbol needs a dynamic entry, check
7059         that before handling --discard-locals.
7060
7061 2009-12-30  Ian Lance Taylor  <iant@google.com>
7062
7063         PR 10450
7064         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
7065         flags to PF_R.
7066         (Output_segment::add_output_section): Don't change the flags if
7067         the type is PT_TLS.
7068
7069         PR 10450
7070         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
7071         GNU hash table if they need a dynamic value.  Otherwise, don't add
7072         them if they are defined in a dynamic object or are forced local.
7073
7074 2009-12-29  Ian Lance Taylor  <iant@google.com>
7075
7076         PR 10450
7077         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
7078         .gnu.hash table for a 32-bit target.
7079
7080         PR 10450
7081         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
7082         regular and a dynamic object only needs a dynamic symbol table
7083         entry if it is externally visible.
7084
7085         PR 10450
7086         * i386.cc (class Target_i386): Initialize global_offset_table_ in
7087         constructor.  Add global_offset_table_ field.
7088         (Target_i386::got_section): Set global_offset_table_.
7089         (Target_i386::do_finalize_sections): Set global_offset_table_
7090         size.
7091         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
7092         in constructor.  Add global_offset_table_ field.
7093         (Target_x86_64::got_section): Set global_offset_table_.
7094         (Target_x86_64::do_finalize_sections): Set global_offset_table_
7095         size.
7096
7097         * layout.cc (Layout::Layout): Initialize increase_relro_.
7098         (Layout::get_output_section): Add is_relro, is_last_relro, and
7099         is_first_non_relro parameters.  Change all callers.
7100         (Layout::choose_output_section): Likewise.
7101         (Layout::add_output_section_data): Likewise.
7102         (Layout::make_output_section): Likewise.
7103         (Layout::set_segment_offsets): Clear increase_relro when using a
7104         linker script.
7105         * layout.h (class Layout): Add increase_relro method.  Add
7106         increase_relro_ field.  Update declarations.
7107         * output.cc (Output_section::Output_section): Initialize
7108         is_last_relro_ and is_first_non_relro_.
7109         (Output_segment::add_output_section): Group relro sections is
7110         do_sort is true.  Handle is_last_relro and is_first_non_relro.
7111         (Output_segment::maximum_alignment): Remove relro handling.
7112         (Output_segment::set_section_addresses): Add increase_relro
7113         parameter.  Change all callers.  Add initial alignment to align
7114         relro sections on separate page.  Remove old relro handling.
7115         (Output_segment::set_section_list_addresses): Remove in_relro
7116         parameter.  Change all callers.
7117         (Output_segment::set_offset): Add increase parameter.  Change all
7118         callers.  Remove old relro handling.
7119         * output.h (class Output_section): Add new methods: is_last_relro,
7120         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
7121         Add is_last_relro_ and is_first_non_relro_ fields.
7122         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
7123         Create separate .got.plt section.  Call increase_relro.
7124         * x86_64.cc (Target_x86_64::got_section): Likewise.
7125         * testsuite/relro_script_test.t: Add .got.plt.
7126
7127         PR 10450
7128         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
7129         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
7130         (Layout::finalize): Call set_dynamic_symbol_size.
7131         (Layout::set_dynamic_symbol_size): New function.
7132         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
7133         set_dynamic_symbol_size.
7134
7135         PR 10450
7136         * output.h (class Output_section): Add is_entsize_zero_ field.
7137         * output.cc (Output_section::Output_section): Initialize
7138         is_entsize_zero_.
7139         (Output_section::set_entsize): If two different entsizes are
7140         requested, force it to zero.
7141         (Output_section::add_input_section): Set flags for .debug_str
7142         before updating section flags.  Set entsize.
7143         (Output_section::update_flags_for_input_section): Set SHF_MERGE
7144         and SHF_STRING if all input sections have those flags.
7145
7146 2009-12-29   Rafael Espindola  <espindola@google.com>
7147
7148         * main.cc (main): Fix the sys time reporting.
7149         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
7150         reporting.
7151
7152 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
7153
7154         * options.cc (General_options::parse_version): Allow -v to exit
7155         without an error if there is nothing to link.
7156
7157 2009-12-29  Ian Lance Taylor  <iant@google.com>
7158
7159         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
7160         using a version of gcc before 4.1.
7161         * configure: Rebuild.
7162
7163 2009-12-28  Chris Demetriou  <cgd@google.com>
7164
7165         * attributes.cc (Output_attributes_section_data::do_write): Use
7166         std::vector::front rather than std::vector::data.
7167
7168 2009-12-28  Ian Lance Taylor  <iant@google.com>
7169
7170         * symtab.h (class Symbol_table): Add enum Defined.
7171         * resolve.cc (Symbol_table::should_override): Add defined
7172         parameter.  Change all callers.  Test whether object is NULL
7173         before calling a method on it.
7174         (Symbol_table::report_resolve_problem): Add defined parameter.
7175         Change all callers.
7176         (Symbol_table::should_override_with_special): Likewise.
7177         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7178         parameter.  Change all callers.
7179         (Symbol_table::do_define_in_output_data): Likewise.
7180         (Symbol_table::define_in_output_segment): Likewise.
7181         (Symbol_table::do_define_in_output_segment): Likewise.
7182         (Symbol_table::define_as_constant): Likewise.
7183         (Symbol_table::do_define_as_constant): Likewise.
7184         * script.h (class Symbol_assignment): Add is_defsym parameter to
7185         constructor; change all callers.
7186         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7187         parameter.  Change all callers.  Add is_defsym_ field.
7188         (class Parser_closure): Add parsing_defsym parameter to
7189         constructor; change all callers.  Add parsing_defsym accessor
7190         function.  Add parsing_defsym_ field.
7191
7192 2009-12-28  Ian Lance Taylor  <iant@google.com>
7193
7194         * gold.cc (queue_middle_tasks): Fix formatting.
7195         * object.cc (Relobj::is_section_name_included): Likewise.
7196
7197 2009-12-23  Ian Lance Taylor  <iant@google.com>
7198
7199         * i386.cc (Target_i386::do_calls_non_split): Recognize
7200         -fsplit-stack prologue for a function with a static chain.
7201         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7202         -fsplit-stack prologue when using %r11.
7203
7204 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7205
7206         * options.cc (General_options::parse_version): Make -v continue and do
7207         the link like GNU ld does.
7208
7209 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7210
7211         * Makefile.am (CCFILES): Add timer.cc.
7212         (HFILES): Add timer.h.
7213         * configure.ac: Check for sysconf and times.
7214         * main.cc: include timer.h.
7215         (main): Use Timer instead of get_run_time.
7216         * timer.cc: New.
7217         * timer.h: New.
7218         * workqueue.cc: include timer.h.
7219         (Workqueue::find_and_run_task):
7220         Report user, sys and wall time.
7221         * Makefile.in: Regenerate.
7222         * config.in: Regenerate.
7223         * configure: Regenerate.
7224
7225 2009-12-16  Doug Kwan  <dougkwan@google.com>
7226
7227         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7228         sections.
7229         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7230         relaxed input sections.
7231         * output.cc (Output_section::find_relaxed_input_section): Change
7232         return type to Output_relaxed_input_section pointer.  Adjust code
7233         for new type of relaxed_input_section_map_.
7234         * output.h (Output_section::find_relaxed_input_section): Change
7235         return type to Output_relaxed_input_section pointer.
7236         (Output_section::Output_relaxed_input_section_by_input_section_map):
7237         New type.
7238         (Output_section::relaxed_input_section_map_): Change type to
7239         Output_section::Output_relaxed_input_section_by_input_section_map.
7240         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7241         input section.
7242
7243 2009-12-15  Ian Lance Taylor  <iant@google.com>
7244
7245         * layout.cc (Layout::create_shstrtab): Only write out after input
7246         sections if we are compressing debug sections.
7247
7248 2009-12-15  Ian Lance Taylor  <iant@google.com>
7249
7250         * archive.cc (Archive::add_symbols): Only look up a symbol without
7251         a version if there is, in fact, a version.
7252
7253 2009-12-14  Ian Lance Taylor  <iant@google.com>
7254
7255         Revert -Wshadow changes, all changes from:
7256         2009-12-11  Doug Kwan  <dougkwan@google.com>
7257         2009-12-11  Nick Clifton  <nickc@redhat.com>
7258         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7259
7260 2009-12-11  Doug Kwan  <dougkwan@google.com>
7261
7262         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7263         due to -Wshadow.
7264         * attributes.cc (Object_attribute::size): Ditto.
7265         (Attributes_section_data::size): Ditto.
7266         (Attributes_section_data::Attributes_section_data): Ditto.
7267         (Output_attributes_section_data::do_write): Ditto.
7268         * attributes.h (Object_attribute::set_type): Ditto.
7269         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7270
7271 2009-12-11  Nick Clifton  <nickc@redhat.com>
7272
7273         * archive.cc: Fix shadowed variable warnings.
7274         * arm.cc: Likewise.
7275         * compressed_output.cc: Likewise.
7276         * compressed_output.h: Likewise.
7277         * configure: Likewise.
7278         * dwarf_reader.cc: Likewise.
7279         * dynobj.cc: Likewise.
7280         * dynobj.h: Likewise.
7281         * ehframe.cc: Likewise.
7282         * ehframe.h: Likewise.
7283         * errors.cc: Likewise.
7284         * expression.cc: Likewise.
7285         * fileread.cc: Likewise.
7286         * fileread.h: Likewise.
7287         * freebsd.h: Likewise.
7288         * i386.cc: Likewise.
7289         * icf.cc: Likewise.
7290         * incremental.h: Likewise.
7291         * layout.cc: Likewise.
7292         * layout.h: Likewise.
7293         * mapfile.cc: Likewise.
7294         * merge.cc: Likewise.
7295         * merge.h: Likewise.
7296         * object.cc: Likewise.
7297         * object.h: Likewise.
7298         * options.h: Likewise.
7299         * output.cc: Likewise.
7300         * output.h: Likewise.
7301         * parameters.cc: Likewise.
7302         * plugin.cc: Likewise.
7303         * powerpc.cc: Likewise.
7304         * reduced_debug_output.cc: Likewise.
7305         * reduced_debug_output.h: Likewise.
7306         * reloc.cc: Likewise.
7307         * reloc.h: Likewise.
7308         * resolve.cc: Likewise.
7309         * script-sections.cc: Likewise.
7310         * script.cc: Likewise.
7311         * script.h: Likewise.
7312         * sparc.cc: Likewise.
7313         * symtab.cc: Likewise.
7314         * symtab.h: Likewise.
7315         * target-select.cc: Likewise.
7316         * target-select.h: Likewise.
7317         * token.h: Likewise.
7318         * workqueue.cc: Likewise.
7319         * workqueue.h: Likewise.
7320         * x86_64.cc: Likewise.
7321
7322 2009-12-10  Doug Kwan  <dougkwan@google.com>
7323
7324         * arm.cc (attributes.h): New include.
7325         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7326         (Arm_relobj::~Arm_relobj): Delete object pointed by
7327         attributes_section_data_.
7328         (Arm_relobj::attributes_section_data): New method definition.
7329         (Arm_relobj::attributes_section_data_): New data member declaration.
7330         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7331         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7332         attributes_section_data_.
7333         (Arm_dynobj::attributes_section_data): New method definition.
7334         (Arm_dynobj::attributes_section_data_): New data member declaration.
7335         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7336         initialization value of may_use_blx_ to false.
7337         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7338         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7339         object attributes to compute results instead of hard-coding.
7340         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7341         Target_arm::get_secondary_compatible_arch,
7342         Target_arm::set_secondary_compatible_arch
7343         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7344         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7345         New method declarations.
7346         (Target_arm::get_aeabi_object_attribute): New method definition.
7347         (Target_arm::attributes_section_data_): New data member declaration.
7348         (read_arm_attributes_section): New template definition.
7349         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7350         (Arm_dynobj::do_read_symbols): Ditto.
7351         (Target_arm::do_finalize_sections): Merge attributes sections from
7352         input.  Check for BLX use after attributes section merging.
7353         Fix __exidx_start and __exidx_end visibility.  Create an
7354         .ARM.attributes section if necessary.
7355         (Target_arm::get_secondary_compatible_arch,
7356         Target_arm::set_secondary_compatible_arch,
7357         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7358         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7359         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7360         New method definitions.
7361
7362 2009-12-09  Ian Lance Taylor  <iant@google.com>
7363
7364         * plugin.cc (Plugin::load): Don't cast from void* to a function
7365         pointer.
7366
7367 2009-12-09  Ian Lance Taylor  <iant@google.com>
7368
7369         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7370         information fields.
7371
7372 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7373
7374         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7375         Replace two_file_shared_1.so with two_file_shared_2.so.
7376         * testsuite/Makefile.in: Regenerated.
7377
7378 2009-12-08  Doug Kwan  <dougkwan@google.com>
7379
7380         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7381         (HFILES): Add attributes.h and int_encoding.h.
7382         * Makefile.in: Regenerate.
7383         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7384         function definitions to int_encoding.cc
7385         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7386         prototypes to int_encoding.h
7387         * reduced_debug_output.cc (int_encoding.h): New include.
7388         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7389         function definitions to int_encoding.cc
7390         (insert_into_vector, read_from_pointer): Move template definitions to
7391         int_encoding.h
7392         * attributes.cc: New file.
7393         * attributes.h: New file.
7394         * int_encoding.cc: New file.
7395         * int_encoding.h: New file.
7396
7397 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7398
7399         PR gold/11055
7400         * incremental-dump.cc (dump_incremental_inputs): New.
7401         (main): Use dump_incremental_inputs.
7402
7403 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7404
7405         PR gold/10893
7406         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7407         checking elfcpp::STT_FUNC.
7408         (Target_i386::Relocate::relocate): Likewise.
7409         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7410
7411         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7412         symbols from shared libraries into normal FUNC symbols.
7413
7414         * symtab.h (Symbol): Add is_func and use it.
7415
7416 2009-12-05  Doug Kwan  <dougkwan@google.com>
7417
7418         * arm.cc (Target_arm::arm_info): Initialize new fields
7419         attributes_section and attributes_vendor.
7420         * i386.cc (Target_i386::i386_info): Same.
7421         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7422         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7423         fields attributes_section and attributes_vendor.
7424         * sparc.cc (Target_sparc::sparc_info): Same.
7425         * target.h (Target::attributes_section, Target::attributes_vendor,
7426         Target::is_attributes_section, Target::attribute_arg_type,
7427         Target::attributes_order): New method definitions.
7428         (Target::Target_info::attributes_section,
7429         Target::Target_info::attributes_vendor): New fields.
7430         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7431         virtual method definitions.
7432         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7433         attributes_section and attributes_vendor.
7434         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7435
7436 2009-12-05  Doug Kwan  <dougkwan@google.com>
7437
7438         * arm.cc: Update comments about interworking and stub generation.
7439         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7440         considered as non-PIC.
7441         (Arm_relocate_functions::base_abs): Fix formatting.
7442         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7443         of function to use GOT entry address instead of offset.
7444         (Target_arm::Scan::global): Issue an error if a symbol would need a
7445         PLT does not get one because it is untyped.  Remove code to create
7446         dynamic symbols for relative branches.
7447         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7448         takes unsigned integer instead of boolean.
7449
7450 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7451
7452         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7453         (two_file_test_LDADD): Likewise.
7454         (common_test_1_LDADD): Likewise.
7455         (exception_test_LDADD) Likewise.
7456         (weak_test_LDADD): Likewise.
7457         (many_sections_test_LDADD): Likewise.
7458         (initpri1_LDADD): Likewise.
7459         (script_test_1_LDADD): Likewise.
7460         (script_test_2_LDADD): Likewise.
7461         (justsyms_LDADD): Likewise.
7462         (binary_test_LDADD): Likewise.
7463         (large_LDADD): Likewise.
7464         * testsuite/Makefile.in: Regenerated.
7465
7466 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7467
7468         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7469         (Symbol_table::override_with_special): Likewise.
7470         (Symbol_table::add_from_object): Likewise.
7471
7472 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7473
7474         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7475         Don't set the data_offset twice.
7476
7477 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7478
7479         * testsuite/Makefile.in: Regenerate.
7480
7481 2009-12-03  Doug Kwan  <dougkwan@google.com>
7482
7483         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7484         (Target_arm::do_finalize_sections): Add parameter for symbol table
7485         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7486         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7487         parameter for symbol table pointer.
7488         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7489         an additional parameter for a pointer to symbol table.
7490         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7491         parameter for a symbol table pointer.
7492         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7493         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7494         Ditto.
7495         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7496         parameter for a symbol table pointer.
7497
7498 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7499
7500         * incremental.cc (Incremental_inputs_header)
7501         (Incremental_inputs_header_write, Incremental_inputs_entry)
7502         (Incremental_inputs_entry_write): Move ...
7503         * incremental.h (Incremental_inputs_header)
7504         (Incremental_inputs_header_write, Incremental_inputs_entry)
7505         (Incremental_inputs_entry_write): here.
7506
7507 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7508
7509         * incremental.cc (make_sized_incremental_binary): Set the target.
7510         Error if it is incompatible.
7511         * output.h (Output_file): Add filename method.
7512
7513 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7514
7515         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7516         from the get_* methods.
7517
7518 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7519
7520         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7521         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7522         Write 0 for the data_offset of scripts.
7523
7524 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7525
7526         * testsuite/Makefile.am: Add the incremental_test.sh test.
7527         * testsuite/incremental_test.sh: New.
7528         * testsuite/incremental_test_1.c: New.
7529         * testsuite/incremental_test_2.c: New.
7530
7531 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7532
7533        * incremental-dump.cc (main): Fix typos.
7534
7535 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7536
7537         PR gold/11025
7538         * incremental-dump.cc (main): Use llu to print 64 bit values.
7539
7540 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7541             H.J. Lu  <hongjiu.lu@intel.com>
7542
7543         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7544         $(LIBDL).
7545         (incremental_dump_LDADD): Likewise.
7546         * Makefile.in: Regenerated.
7547
7548 2009-11-25  Doug Kwan  <dougkwan@google.com>
7549
7550         Revert:
7551
7552         2009-11-25  Doug Kwan  <dougkwan@google.com>
7553
7554                 * arm.cc (Target_arm::Target_arm): Move method definition
7555                 outside of class definition.  Add code to handle
7556                 --target1-rel, --target1-abs and --target2= options.
7557                 (Target_arm::get_reloc_reloc_type): Change method to be
7558                 non-static and const.
7559                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7560                 New data member declaration.
7561                 (Target_arm::Scan::local, Target_arm::Scan::global,
7562                 Target_arm::Relocate::relocate,
7563                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7564                 Adjust call to Target_arm::get_real_reloc_type.
7565                 (Target_arm::get_real_reloc_type): Use command line options
7566                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7567                 * options.h (--target1-rel, --target1-abs, --target2): New
7568                 ARM-only options.
7569
7570 2009-11-25  Doug Kwan  <dougkwan@google.com>
7571
7572         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7573         class definition.  Add code to handle --target1-rel, --target1-abs
7574         and --target2= options.
7575         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7576         and const.
7577         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7578         member declaration.
7579         (Target_arm::Scan::local, Target_arm::Scan::global,
7580         Target_arm::Relocate::relocate,
7581         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7582         call to Target_arm::get_real_reloc_type.
7583         (Target_arm::get_real_reloc_type): Use command line options to
7584         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7585         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7586         options.
7587
7588 2009-11-25  Doug Kwan  <dougkwan@google.com>
7589
7590         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7591         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7592         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7593         formatting.
7594         (Arm_relocate_functions::thm_call): Replace body with a call to
7595         Arm_relocate_functions::thumb_branch_common.
7596         (Arm_relocate_functions::thm_jump24,
7597         Arm_relocate_functions::thm_xpc22): New method definitions.
7598         (Arm_relocate_functions::thumb_branch_common): New method definition.
7599         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7600         operator.
7601         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7602         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7603
7604 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7605
7606         * Makefile.am: Build incremental-dump
7607         * Makefile.in: Regenerate.
7608         * incremental-dump.cc: New.
7609         * incremental.cc (Incremental_inputs_header_data,
7610         Incremental_inputs_entry_data): Move to incremental.h
7611         * incremental.h: (Incremental_inputs_header_data,
7612         Incremental_inputs_entry_data): Move from incremental.cc
7613
7614 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7615
7616         * incremental.cc (Incremental_inputs_header,
7617         Incremental_inputs_header_write, Incremental_inputs_entry,
7618         Incremental_inputs_entry_write): Add a typedef with the data type.
7619
7620 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7621
7622         * incremental.cc (Incremental_inputs_header,
7623         Incremental_inputs_header_write, Incremental_inputs_entry,
7624         Incremental_inputs_entry_write): Update comment about which
7625         type has the filed descriptions.
7626
7627 2009-11-15  Doug Kwan  <dougkwan@google.com>
7628
7629         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7630         (Arm_relocate_functions::arm_branch_common): Change method defintion
7631         in class definition to a method declaration and update list of formal
7632         parameters.
7633         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7634         Arm_relocation_functions::jump24): Adjust call to
7635         Arm_relocate_functions::arm_branch_common.  Update list of formal
7636         parameters.
7637         (Arm_relocate_functions::xpc25): New method definition.
7638         (Arm_relocate_functions::arm_branch_common): Move method defintion
7639         out from class definition.  Use stubs for mode-switching and extending
7640         branch ranges.
7641         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7642         specially.  Change code to enable use of stubs in ARM branches.
7643
7644 2009-11-10  Doug Kwan  <dougkwan@google.com>
7645
7646         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7647         in method declaration.
7648         (Target_arm::relocate_stub): New method declaration.
7649         (Target_arm::default_target): Change to return a pointer instead of
7650         a const reference.
7651         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7652         Target_arm::default_target.
7653         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7654         method definition.
7655         (Target_arm::relocate_section): Adjust view.
7656         (Target_arm::relocate_stub): New method definition.
7657
7658 2009-11-10  Doug Kwan  <dougkwan@google.com>
7659
7660         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7661         a format warning.
7662         * incremental.cc (open_incremental_binary): Initialized local
7663         variables to avoid warnings.
7664         * object.cc (make_elf_object): Ditto.
7665         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7666         a format warning.
7667
7668 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7669
7670         PR gold/10930
7671         * testsuite/plugin_test.c: Include "config.h".
7672
7673 2009-11-09  Doug Kwan  <dougkwan@google.com>
7674
7675         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7676         (arm_symbol_value): Remove.
7677         (Arm_relocate_functions::arm_branch_common,
7678         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7679         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7680         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7681         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7682         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7683         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7684         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7685         Arm_relocate_functions::thm_mobw_abs_nc,
7686         Arm_relocate_functions::thm_mov_abs,
7687         Arm_relocate_functions::movw_prel_nc,
7688         Arm_relocate_functions::thm_movt_abs,
7689         Arm_relocate_functions::movt_prel,
7690         Arm_relocate_functions::thm_movw_prel_nc,
7691         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7692         (Target_arm::Relocate::relocate): Only decompose address into two
7693         parts if relocation type uses the thumb-bit and pass the actual
7694         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7695         calls to methods in Arm_relocate_functions for this change.
7696
7697 2009-11-08  Ian Lance Taylor  <iant@google.com>
7698
7699         PR 10925
7700         * reloc.cc: Instantiate
7701         Sized_relobj::initialize_input_to_output_maps and
7702         Sized_relobj:free_input_to_output_maps.
7703
7704 2009-11-06  Ian Lance Taylor  <iant@google.com>
7705
7706         PR 10876
7707         * defstd.cc (in_segment): Set only_if_ref true for "end".
7708
7709 2009-11-06  Doug Kwan  <dougkwan@google.com>
7710
7711         * arm.cc (class Reloc_stub): Correct a comment.
7712         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7713         (Target_arm::scan_section_for_stubs): New method declaration.
7714         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7715         Change methods from private to protected.
7716         (Target_arm::do_may_relax): New method definition.
7717         (Target_arm::do_relax, Target_arm::group_sections,
7718         Target_arm::scan_reloc_for_stub,
7719         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7720         (Target_arm::arm_input_section_map_): New data member declaration.
7721         (Target_arm::scan_reloc_for_stub,
7722         Target_arm::scan_reloc_section_for_stubs,
7723         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7724         Target_arm::do_relax): New method definitions.
7725
7726 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7727
7728         * configure.ac: Check for (struct stat)::st_mtim
7729         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7730         * config.in: Regenerate.
7731         * configure: Regenerate.
7732
7733 2009-11-05  Ian Lance Taylor  <iant@google.com>
7734
7735         PR 10910
7736         * output.cc (Output_segment::add_output_section): Add missing
7737         return statement.
7738
7739 2009-11-04  Ian Lance Taylor  <iant@google.com>
7740
7741         PR 10880
7742         * object.h (class Object): Add is_needed and set_is_needed
7743         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7744         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7745         defined in a dynamic object and referenced by a regular object,
7746         set is_needed for the dynamic object.
7747         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7748         if the file is marked with as_needed and it is not needed.
7749
7750 2009-11-04  Ian Lance Taylor  <iant@google.com>
7751
7752         PR 10887
7753         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7754         tags if data is discarded by linker script.
7755         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7756         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7757         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7758         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7759
7760 2009-11-04  Ian Lance Taylor  <iant@google.com>
7761
7762         * layout.cc (Layout::get_output_section): Add is_interp and
7763         is_dynamic_linker_section parameters.  Change all callers.
7764         (Layout::choose_output_section): Likewise.
7765         (Layout::make_output_section): Likewise.
7766         (Layout::add_output_section_data): Add is_dynamic_linker_section
7767         parameter.  Change all callers.
7768         * layout.h (class Layout): Update declarations.
7769         * output.h (class Output_section): Add is_interp, set_is_interp,
7770         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7771         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7772         generate_code_fills_at_write_ to a bitfield.
7773         * output.cc (Output_section::Output_sections): Initialize new
7774         fields.
7775         (Output_segment::add_output_section): Add do_sort parameter.
7776         Change all callers.
7777
7778 2009-11-03  Ian Lance Taylor  <iant@google.com>
7779
7780         PR 10860
7781         * options.h (class General_options): Add --warn-common.
7782         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7783         merging two common symbols.
7784         (Symbol_table::should_override): Handle --warn-common when merging
7785         a common symbol with a defined symbol.  Use report_resolve_problem
7786         for multiple definitions.
7787         (Symbol_table::report_resolve_problem): New function.
7788         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7789
7790 2009-11-03  Doug Kwan  <dougkwan@google.com>
7791
7792         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7793         stub_factory_.
7794         (Target_arm::stub_factory): New method definition.
7795         (Target_arm::new_arm_input_section,
7796         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7797         Target_arm::reloc_uses_thumb_bit): New method declarations.
7798         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7799         New type definitions.
7800         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7801         member declarations.
7802         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7803         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7804         New method definitions.
7805
7806 2009-11-03  Ian Lance Taylor  <iant@google.com>
7807
7808         * options.h (class General_options): Add --warn_constructors.
7809
7810 2009-11-03  Ian Lance Taylor  <iant@google.com>
7811
7812         PR 10893
7813         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7814         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7815
7816 2009-11-03  Ian Lance Taylor  <iant@google.com>
7817
7818         PR 10895
7819         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7820         --msgid-bugs-address.
7821         (install-pdf): New target.
7822         (install-data_yes): Look up one directory to find mkinstalldirs.
7823
7824 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7825
7826         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7827         tree.
7828
7829 2009-10-30  Doug Kwan  <dougkwan@google.com>
7830
7831         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7832
7833 2009-10-30  Doug Kwan  <dougkwan@google.com>
7834
7835         * arm.cc (Stub_addend_reader): New struct template definition
7836         and partial specializations.
7837         (Stub_addend_reader::operator()): New method definition for a
7838         partially specialized template.
7839
7840 2009-10-30  Doug Kwan  <dougkwan@google.com>
7841
7842         * arm.cc (Arm_relobj::processor_specific_flags): New method
7843         definition.
7844         (Arm_relobj::do_read_symbols): New method declaration.
7845         (Arm_relobj::processor_specific_flags_): New data member declaration.
7846         (Arm_dynobj): New class definition.
7847         (Target_arm::do_finalize_sections): Add input_objects parameter.
7848         (Target_arm::do_adjust_elf_header): New method declaration.
7849         (Target_arm::are_eabi_versions_compatible,
7850         (Target_arm::merge_processor_specific_flags): New method declaration.
7851         (Target_arm::do_make_elf_object): New overloaded method definitions
7852         and declaration.
7853         (Arm_relobj::do_read_symbols): New method definition.
7854         (Arm_dynobj::do_read_symbols): Ditto.
7855         (Target_arm::do_finalize_sections): Add input_objects parameters.
7856         Merge processor-specific flags from all input objects.
7857         (Target_arm::are_eabi_versions_compatible,
7858         Target_arm::merge_processor_specific_flags,
7859         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7860         New method definitions.
7861         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7862         Input_objects pointer type parameter.
7863         * layout.cc (Layout::finalize): Pass input objects to target's.
7864         finalize_sections function.
7865         * output.cc (Output_file_header::do_sized_write): Set ELF file
7866         header's processor-specific flags.
7867         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7868         Input_objects pointer type parameter.
7869         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7870         * target.h (Input_objects): New forward class declaration.
7871         (Target::processor_specific_flags,
7872         Target::are_processor_specific_flags_sect): New method definitions.
7873         (Target::finalize_sections): Add input_objects parameter.
7874         (Target::Target): Initialize processor_specific_flags_ and
7875         are_processor_specific_flags_set_.
7876         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7877         parameter.
7878         (Target::set_processor_specific_flags): New method definition.
7879         (Target::processor_specific_flags_,
7880         Target::are_processor_specific_flags_set_): New data member
7881         declarations.
7882         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7883         Input_objects pointer type parameter.
7884
7885 2009-10-30  Doug Kwan  <dougkwan@google.com>
7886
7887         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7888
7889 2009-10-28  Ian Lance Taylor  <iant@google.com>
7890
7891         * object.h (class Relobj): Drop options parameter from
7892         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7893         do_scan_relocs, do_relocate.  Change all callers.
7894         (class Sized_relobj): Drop options parameters from
7895         do_gc_process_relocs, do_scan_relocs, do_relocate,
7896         do_relocate_sections, relocate_sections, emit_relocs_scan,
7897         emit_relocs_scan_reltype.  Change all callers.
7898         (struct Relocate_info): Remove options field and all references to
7899         it.
7900         * reloc.h (class Read_relocs): Remove options constructor
7901         parameter and options_ field.  Change all callers.
7902         (class Gc_process_relocs, class Scan_relocs): Likewise.
7903         (class Relocate_task): Likewise.
7904         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7905         all callers.
7906         (scan_relocatable_relocs): Likewise.
7907         * target.h (class Sized_target): Remove options parameter from
7908         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7909         all callers.
7910         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7911         callers.
7912         * arm.cc: Update functions to remove options parameters.
7913         * i386.cc: Likewise.
7914         * powerpc.cc: Likewise.
7915         * sparc.cc: Likewise.
7916         * x86_64.cc: Likewise.
7917         * testsuite/testfile.cc: Likewise.
7918
7919 2009-10-28  Doug Kwan  <dougkwan@google.com>
7920
7921         * arm.cc (Arm_relobj): New class definition.
7922         (Arm_relobj::scan_sections_for_stubs,
7923         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7924         New method definitions.
7925
7926 2009-10-28  Cary Coutant  <ccoutant@google.com>
7927
7928         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7929         (Plugin::cleanup_done_): New member.
7930         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7931         (Plugin_manager::cleanup_done_): Remove.
7932         (Plugin_manager::add_input_file): Edit error message.
7933         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7934         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7935
7936 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7937
7938         * fileread.cc: (File_read::View::~View): Use the new
7939         data_ownership_ filed.
7940         (File_read::~File_read): Dispose the new whole_file_view_.
7941         (File_read::open): Mmap the whole file if needed.
7942         (File_read::open): Use whole_file_view_ instead of contents_.
7943         (File_read::find_view): Use whole_file_view_ if applicable.
7944         (File_read::do_read): Use whole_file_view_ instead of contents_.
7945         (File_read::make_view): Use whole_file_view_ instead of contents_,
7946         update File_read::View::View call.
7947         (File_read::find_or_make_view): Update File_read::View::View
7948         call.
7949         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7950         remove contents_
7951         (File_read::View::Data_ownership): New enum.
7952         (File_read::View::View): Replace bool mapped_ with Data_ownership
7953         argument.
7954         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7955         (File_read::View::data_ownership_): New field.
7956         (File_read::contents_): Remove (replaced by whole_file_view_).
7957         (File_read::whole_file_view_): New field.
7958         * options.h (class General_options): Add --keep-files-mapped.
7959
7960 2009-10-27  Cary Coutant  <ccoutant@google.com>
7961
7962         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7963         * testsuite/Makefile.am (plugin_test_5): New test case.
7964         * testsuite/Makefile.in: Regenerate.
7965
7966 2009-10-25  Doug Kwan  <dougkwan@google.com>
7967
7968         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7969         from private to protected to allow access by child class.
7970         (Sized_relobj::do_relocate_sections): New method declaration.
7971         (Sized_relobj::relocate_sections): Virtualize.
7972         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7973         Sized_relobj::relocate_sections.  Instantiate template explicitly
7974         for different target sizes and endianity.
7975
7976 2009-10-24  Doug Kwan  <dougkwan@google.com>
7977
7978         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7979         (Arm_input_section::as_arm_input_section): New method.
7980         (Arm_output_section): New class definition.
7981         (Arm_output_section::create_stub_group,
7982         Arm_output_section::group_sections): New method definitions.
7983
7984 2009-10-22  Doug Kwan  <dougkwan@google.com>
7985
7986         * arm.cc (Arm_input_section): New class definition.
7987         (Arm_input_section::init, Arm_input_section:do_write,
7988         Arm_input_section::set_final_data_size,
7989         Arm_input_section::do_reset_address_and_file_offset): New method
7990         definitions.
7991
7992 2009-10-21  Doug Kwan  <dougkwan@google.com>
7993
7994         * arm.cc (Stub_table, Arm_input_section): New forward class
7995         declarations.
7996         (Stub_table): New class defintion.
7997         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7998         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7999         New method definition.
8000
8001 2009-10-21  Doug Kwan  <dougkwan@google.com>
8002
8003         * arm.cc: Update copyright comments.
8004         (Target_arm): New forward class template declaration.
8005         (Arm_address): New type.
8006         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
8007         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
8008         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
8009         constants.
8010         (Insn_template): Same.
8011         (DEF_STUBS): New macro.
8012         (Stub_type): New enum type.
8013         (Stub_template): New class definition.
8014         (Stub): Same.
8015         (Reloc_stub): Same.
8016         (Stub_factory): Same.
8017         (Target_arm::Target_arm): Initialize may_use_blx_ and
8018         should_force_pic_veneer_.
8019         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
8020         Target_arm::should_force_pic_veneer,
8021         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
8022         Target_arm::using_thumb_only, Target_arm:;default_target): New
8023         method defintions.
8024         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
8025         New data member declarations.
8026         (Insn_template::size, Insn_template::alignment): New method defintions.
8027         (Stub_template::Stub_template): New method definition.
8028         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
8029         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
8030         (Stub_factory::Stub_factory): New method definition.
8031         * gold.h (string_hash): New template.
8032         * output.h (Input_section_specifier::hash_value): Use
8033         gold::string_hash.
8034         (Input_section_specifier::string_hash): Remove.
8035         * stringpool.cc (Stringpool_template::string_hash): Use
8036         gold::string_hash.
8037
8038 2009-10-20  Doug Kwan  <dougkwan@google.com>
8039
8040         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
8041         symbols of relaxed input sections.
8042         * output.h (Output_section::find_relaxed_input_section): Make
8043         method public.
8044
8045 2009-10-16  Doug Kwan  <dougkwan@google.com>
8046
8047         * dynobj.cc (Versions::Versions): Initialize version_script_.
8048         Only insert base version symbol definition for a shared object
8049         if version script defines any version versions.
8050         (Versions::define_base_version): New method definition.
8051         (Versions::add_def): Check that base version is not needed.
8052         (Versions::add_need): Define base version lazily.
8053         * dynobj.h (Versions::define_base_version): New method declaration.
8054         (Versions::needs_base_version_): New data member declaration.
8055         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
8056         (check_DATA): Add no_version_test.stdout.
8057         (libno_version_test.so, no_version_test.o no_version_test.stdout):
8058         New make rules.
8059         * testsuite/Makefile.in: Regenerate.
8060         * testsuite/no_version_test.c: New file.
8061         * testsuite/no_version_test.sh: Ditto.
8062
8063 2009-10-16  Doug Kwan  <dougkwan@google.com>
8064
8065         * expression.cc (class Segment_start_expression): New class definition.
8066         (Segment_start_expression::value): New method definition.
8067         (script_exp_function_segment_start): Return a new
8068         Segment_start_expression.
8069         * gold/script-c.h (script_saw_segment_start_expression): New function
8070         prototype.
8071         * script-sections.cc (Script_sections::Script_sections): Initialize
8072         SAW_SEGMENT_START_EXPRESSION_ to false.
8073         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
8074         and -Tbbs options to specify section addresses if given in
8075         command line and no SEGMENT_START expression is seen in a script.
8076         * script-sections.h (Script_sections::saw_segment_start_expression,
8077         Script_sections::set_saw_segment_start_expression): New method
8078         definition.
8079         (Script_sections::saw_segment_start_expression_): New data member
8080         declaration.
8081         * script.cc (script_saw_segment_start_expression): New function.
8082         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
8083         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
8084         script_test_7.sh and script_test_8.sh.
8085         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
8086         script_test_8.stdout.
8087         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
8088         (script_test_6, script_test_6.stdout, script_test_7,
8089         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
8090         * Makefile.in: Regenerate.
8091         * testsuite/script_test_6.sh: New file.
8092         * testsuite/script_test_6.t: Same.
8093         * testsuite/script_test_7.sh: Same.
8094         * testsuite/script_test_7.t: Same.
8095         * testsuite/script_test_8.sh: Same.
8096
8097 2009-10-16  Doug Kwan  <dougkwan@google.com>
8098
8099         * output.cc (Output_segment::set_section_list_address): Cast
8100         expressions to unsigned long long type to avoid format warnings.
8101
8102 2009-10-15  Ian Lance Taylor  <iant@google.com>
8103
8104         * script.cc (Script_options::add_symbol_assignment): Always add a
8105         dot assignment to script_sections_.
8106         * script-sections.cc (Script_sections::add_dot_assignment):
8107         Initialize if necessary.
8108
8109         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
8110         program headers with no load segment if there is a linker script.
8111
8112         * layout.cc (Layout::set_segment_offsets): Align the file offset
8113         to the segment aligment for -N or -n with no load segment.
8114         * output.cc (Output_segment::add_output_section): Don't crash if
8115         the first section is a TLS section.
8116         (Output_segment::set_section_list_addresses): Print an error
8117         message if the address moves backward in a linker script.
8118         * script-sections.cc
8119         (Output_section_element_input::set_section_addresses): Don't
8120         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
8121         (Orphan_output_section::set_section_addresses): Likewise.
8122
8123 2009-10-15  Doug Kwan  <dougkwan@google.com>
8124
8125         * layout.cc (Layout::finish_dynamic_section): Generate tags
8126         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
8127         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
8128         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
8129
8130 2009-10-14  Ian Lance Taylor  <iant@google.com>
8131
8132         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
8133         fields.
8134         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
8135         data_shdr fields of relinfo.
8136         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
8137         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
8138         R_386_TLS_LDO_32, adjust based on section flags.
8139         (Target_i386::Relocate::fix_up_ldo): Remove.
8140
8141 2009-10-13  Ian Lance Taylor  <iant@google.com>
8142
8143         Add support for -pie.
8144         * options.h (class General_options): Add -pie and
8145         --pic-executable.
8146         (General_options::output_is_position_independent): Test -pie.
8147         (General_options::output_is_executable): Return true if not shared
8148         and not relocatable.
8149         (General_options::output_is_pie): Remove.
8150         * options.cc (General_options::finalize): Reject incompatible uses
8151         of -pie.
8152         * gold.cc (queue_middle_tasks): A -pie link is not static.
8153         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
8154         * symtab.cc (Symbol::final_value_is_known): Return false if
8155         output_is_position_independent.
8156         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
8157         output_is_position_independent.
8158         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
8159         output_is_position_independent.
8160         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
8161         output_is_position_independent.
8162         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
8163         two_file_pie_test.
8164         (basic_pie_test.o, basic_pie_test): New targets.
8165         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8166         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8167         (two_file_pie_test): New target.
8168         * testsuite/Makefile.in: Rebuild.
8169         * README: Remove note saying that -pie is not supported.
8170
8171 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8172
8173         * options.h (class General_options): Add -init and -fini.
8174         * layout.cc (Layout::finish_dynamic_section): Emit
8175         given init and fini functions.
8176
8177 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8178
8179         * gc.h (gc_process_relocs): Check if icf is enabled using new
8180         function.
8181         * gold.cc (queue_initial_tasks): Likewise.
8182         (queue_middle_tasks): Likewise.
8183         * object.cc (do_layout): Likewise.
8184         * symtab.cc (is_section_folded): Likewise.
8185         * main.cc (main): Likewise.
8186         * reloc.cc (Read_relocs::run): Likewise.
8187         (Sized_relobj::do_scan_relocs): Likewise.
8188         * icf.cc (is_function_ctor_or_dtor): New function.
8189         (Icf::find_identical_sections): Check if function is ctor or dtor when
8190         safe icf is chosen.
8191         * options.h (General_options::icf): Change option to be an enum.
8192         (Icf_status): New enum.
8193         (icf_enabled): New method.
8194         (icf_safe_folding): New method.
8195         (set_icf_status): New method.
8196         (icf_status_): New variable.
8197         * (options.cc) (General_options::finalize): Set icf_status_.
8198         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8199         icf_test and icf_keep_unique_test to use the --icf enum flag.
8200         * testsuite/icf_safe_test.sh: New file.
8201         * testsuite/icf_safe_test.cc: New file.
8202
8203 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8204
8205         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8206         includes to gc.h and icf.h.
8207         * arm.cc: Include gc.h.
8208         * gold.cc: Likewise.
8209         * i386.cc: Likewise.
8210         * powerpc.cc: Likewise.
8211         * sparc.cc: Likewise.
8212         * x86_64.cc: Likewise.
8213         * gc.h: Include icf.h.
8214
8215 2009-10-11  Ian Lance Taylor  <iant@google.com>
8216
8217         * plugin.cc: Include "gold.h" before other header files.
8218
8219 2009-10-10  Chris Demetriou  <cgd@google.com>
8220
8221         * options.h (Input_file_argument::Input_file_type): New enum.
8222         (Input_file_argument::is_lib_): Replace with...
8223         (Input_file_argument::type_): New member.
8224         (Input_file_argument::Input_file_argument): Take Input_file_type
8225         'type' rather than boolean 'is_lib' as second argument.
8226         (Input_file_argument::is_lib): Use type_.
8227         (Input_file_argument::is_searched_file): New function.
8228         (Input_file_argument::may_need_search): Handle is_searched_file.
8229         * options.cc (General_options::parse_library): Support -l:filename.
8230         (General_options::parse_just_symbols): Update for Input_file_argument
8231         changes.
8232         (Command_line::process): Likewise.
8233         * archive.cc (Archive::get_file_and_offset): Likewise.
8234         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8235         * script.cc (read_script_file, script_add_file): Likewise.
8236         * fileread.cc (Input_file::Input_file): Likewise.
8237         (Input_file::will_search_for): Handle is_searched_file.
8238         (Input_file::open): Likewise.
8239         * readsyms.cc (Read_symbols::get_name): Likewise.
8240         * testsuite/Makefile.am (searched_file_test): New test.
8241         * testsuite/Makefile.in: Regenerate.
8242         * testsuite/searched_file_test.cc: New file.
8243         * testsuite/searched_file_test_lib.cc: New file.
8244
8245 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8246             Ian Lance Taylor  <iant@google.com>
8247
8248         * descriptor.cc: Include <cstdio> and "binary-io.h".
8249         (Descriptors::open): Open the files in binary mode always.
8250         * script.cc (Lex::get_token): Treat \r as whitespace.
8251
8252 2009-10-09  Ian Lance Taylor  <iant@google.com>
8253
8254         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8255
8256 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8257             Ian Lance Taylor  <iant@google.com>
8258
8259         * configure.ac: Check for readv function also.
8260         * fileread.cc (readv): Define if not HAVE_READV.
8261         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8262         does not exist.
8263         * config.in: Regenerate.
8264         * configure: Regenerate.
8265
8266 2009-10-09  Doug Kwan  <dougkwan@google.com>
8267
8268         * layout.cc (Layout::make_output_section): Call target hook to make
8269         ordinary output section.
8270         (Layout::finalize): Adjust parameter list of call the
8271         Target::may_relax().
8272         * layout.h (class Layout::section_list): New method.
8273         * merge.h (Output_merge_base::entsize): Change visibility to public.
8274         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8275         New methods.
8276         (Output_merge_string::do_is_string): New method.
8277         * object.cc (Sized_relobj::do_setup): renamed from
8278         Sized_relobj::set_up.
8279         * object.h (Sized_relobj::adjust_shndx,
8280         Sized_relobj::initializ_input_to_output_maps,
8281         Sized_relobj::free_input_to_output_maps): Change visibilities to
8282         protected.
8283         (Sized_relobj::setup): Virtualize.
8284         (Sized_relobj::do_setup): New method declaration.
8285         (Sized_relobj::invalidate_section_offset,
8286         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8287         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8288         * options.cc (parse_int): New function.
8289         * options.h (parse_int): New declaration.
8290         (DEFINE_int): New macro.
8291         (stub_group_size): New option.
8292         * output.cc (Output_section::Output_section): Initialize memebers
8293         merge_section_map_, merge_section_by_properties_map_,
8294         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8295         (Output_section::add_input_section): Handled deferred code-fill
8296         generation and remove an old comment.
8297         (Output_section::add_relaxed_input_section): New method definition.
8298         (Output_section::add_merge_input_section): Use merge section by
8299         properties map to speed to search.  Update merge section maps
8300         as appropriate.
8301         (Output_section::build_relaxation_map): New method definition.
8302         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8303         Same.
8304         (Output_section::relax_input_section): Renamed to
8305         Output_section::convert_input_sections_to_relaxed_sections and change
8306         interface to take a vector of pointers to relaxed sections.
8307         (Output_section::find_merge_section,
8308         Output_section::find_relaxed_input_section): New method definitions.
8309         (Output_section::is_input_address_mapped,
8310         Output_section::output_offset, Output_section::output_address):
8311         Use output section data maps to speed up searching.
8312         (Output_section::find_starting_output_address): Add comments.
8313         (Output_section::do_write,
8314         Output_section::write_to_postprocessing_buffer): Do code-fill
8315         generation as appropriate.
8316         (Output_section::get_input_sections): Invalidate relaxed input section
8317         map.
8318         (Output_section::restore_states): Adjust type of checkpoint .
8319         Invalidate relaxed input section map.
8320         * output.h (Output_merge_base): New class declaration.
8321         (Input_section_specifier): New class defintion.
8322         (class Output_relaxed_input_section) Change base class to
8323         Output_section_data_build.
8324         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8325         base class initializer.
8326         (Output_section::add_relaxed_input_section): New method declaration.
8327         (Output_section::Input_section): Change visibility to protected.
8328         (Output_section::Input_section::relobj,
8329         Output_section::Input_section::shndx): Handle relaxed input sections.
8330         Output_section::input_sections) Change visibility to protected.  Also
8331         define overload to return a non-const pointer.
8332         (Output_section::Merge_section_properties): New class defintion.
8333         (Output_section::Merge_section_by_properties_map,
8334         Output_section::Output_section_data_by_input_section_map,
8335         Output_section::Relaxation_map): New types.
8336         (Output_section::relax_input_section): Rename method to
8337         Output_section::convert_input_sections_to_relaxed_sections and change
8338         interface to take a vector of relaxed section pointers.
8339         (Output_section::find_merge_section,
8340         Output_section::find_relaxed_input_section,
8341         Output_section::build_relaxation_map,
8342         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8343         New method declarations.
8344         (Output_section::merge_section_map_
8345         Output_section::merge_section_by_properties_map_,
8346         Output_section::relaxed_input_section_map_,
8347         Output_section::is_relaxed_input_section_map_valid_,
8348         Output_section::generate_code_fills_at_write_): New data members.
8349         * script-sections.cc
8350         (Output_section_element_input::set_section_addresses): Call
8351         current_data_size and addralign methods of relaxed input sections.
8352         (Orphan_output_section::set_section_addresses): Call current_data_size
8353         and addralign methods of relaxed input sections.
8354         * symtab.cc (Symbol_table::compute_final_value): Extract template
8355         from the body of Symbol_table::sized_finalize_symbol.
8356         (Symbol_table::sized_finalized_symbol): Call
8357         Symbol_table::compute_final_value.
8358         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8359         (Symbol_table::compute_final_value): New templated method declaration.
8360         * target.cc (Target::do_make_output_section): New method defintion.
8361         * target.h (Target::make_output_section): New method declaration.
8362         (Target::relax): Add more parameters for input objects, symbol table
8363         and layout.  Adjust call to do_relax.
8364         (Target::do_make_output_section): New method declaration.
8365         (Target::do_relax): Add parameters for input objects, symbol table
8366         and layout.
8367
8368 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8369
8370         * pread.c: Include stdio.h.
8371
8372 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8373
8374         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8375         defined.
8376
8377 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8378
8379         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8380         Change read_shndx type to unsigned int.
8381         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8382         int.
8383         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8384         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8385         Change read_shndx type to unsigned int.
8386         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8387         int.
8388         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8389         * layout.cc (Layout::create_symtab_sections): Cast the result of
8390         local_symcount * symsize to off_t in the gold_assert.
8391
8392 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8393
8394         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8395         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8396         R_ARM_BASE_ABS.
8397         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8398         (Arm_relocate_functions::thm_abs5): New function.
8399         (Arm_relocate_functions::abs12): New function.
8400         (Arm_relocate_functions::abs16): New function.
8401         (Arm_relocate_functions::base_abs): New function.
8402         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8403         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8404         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8405         R_ARM_BASE_ABS.
8406         (Scan::global): Likewise.
8407         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8408         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8409         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8410         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8411         R_ARM_BASE_ABS.
8412
8413 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8414
8415         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8416         (Arm_relocate_functions::movt_prel): New function.
8417         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8418         (Arm_relocate_functions::thm_movt_prel): New function.
8419         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8420         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8421         (Scan::global, Relocate::relocate): Likewise.
8422         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8423
8424 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8425
8426         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8427         Incremental_checker.
8428         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8429         unsigned int.
8430         (class Incremental_inputs_header): New class.
8431         (Incremental_inputs_header_writer): Edit comment.
8432         (Incremental_inputs_entry): New class.
8433         (Incremental_inputs_entry_writer): Edit comment.
8434         (Sized_incremental_binary::do_find_incremental_inputs_section):
8435         Add *strtab_shndx parameter, fill it.
8436         (Sized_incremental_binary::do_check_inputs): New method.
8437         (Incremental_checker::can_incrementally_link_output_file): Use
8438         Sized_incremental_binary::check_inputs.
8439         (Incremental_inputs::report_command_line): Save command line in
8440         command_line_.
8441         * incremental.h:
8442         (Incremental_binary::find_incremental_inputs_section): New
8443         method.
8444         (Incremental_binary::do_find_incremental_inputs_section): Add
8445         strtab_shndx parameter.
8446         (Incremental_binary::do_check_inputs): New pure virtual method.
8447         (Sized_incremental_binary::do_check_inputs): Declare.
8448         (Incremental_checker::Incremental_checker): Add incremental_inputs
8449         parameter, use it to initialize incremental_inputs_.
8450         (Incremental_checker::incremental_inputs_): New field.
8451         (Incremental_checker::command_line): New method.
8452         (Incremental_checker::inputs): New method.
8453         (Incremental_checker::command_line_): New field.
8454
8455 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8456
8457         * incremental.cc: Include <cstdarg> and "target-select.h".
8458         (vexplain_no_incremental): New function.
8459         (explain_no_incremental): New function.
8460         (Incremental_binary::error): New method.
8461         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8462         method.
8463         (make_sized_incremental_binary): New function.
8464         (open_incremental_binary): New function.
8465         (can_incrementally_link_file): Add checks if output is ELF and has
8466         inputs section.
8467         * incremental.h: Include "elfcpp_file.h" and "output.h".
8468         (Incremental_binary): New class.
8469         (Sized_incremental_binary): New class.
8470         (open_incremental_binary): Declare.
8471         * object.cc (is_elf_object): Use
8472         elfcpp::Elf_recognizer::is_elf_file.
8473         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8474         * output.h (Output_file::filesize): New method.
8475
8476 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8477
8478         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8479         New function.
8480         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8481         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8482         function.
8483         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8484         function.
8485         (Arm_relocate_functions::movw_abs_nc): New function.
8486         (Arm_relocate_functions::movt_abs): New function.
8487         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8488         (Arm_relocate_functions::thm_movt_abs): New function.
8489         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8490         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8491         (Scan::global): Likewise.
8492         (Relocate::relocate): Likewise.
8493         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8494
8495 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8496
8497         * arm.cc (Arm_relocate_functions::got_prel) New function.
8498         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8499         (Relocate::relocate): Likewise.
8500         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8501
8502 2009-10-06  Ian Lance Taylor  <iant@google.com>
8503
8504         * options.h (class General_options): Define
8505         split_stack_adjust_size parameter.
8506         * object.h (class Object): Add uses_split_stack_ and
8507         has_no_split_stack_ fields.  Add uses_split_stack and
8508         has_no_split_stack accessor functions.  Declare
8509         handle_split_stack_section.
8510         (class Reloc_symbol_changes): Define.
8511         (class Sized_relobj): Define Function_offsets.  Declare
8512         split_stack_adjust, split_stack_adjust_reltype, and
8513         find_functions.
8514         * object.cc (Object::handle_split_stack_section): New function.
8515         (Sized_relobj::do_layout): Call handle_split_stack_section.
8516         * dynobj.cc (Sized_dynobj::do_layout): Call
8517         handle_split_stack_section.
8518         * reloc.cc (Sized_relobj::relocate_sections): Call
8519         split_stack_adjust for executable sections in split_stack
8520         objects.  Pass reloc_map to relocate_section.
8521         (Sized_relobj::split_stack_adjust): New function.
8522         (Sized_relobj::split_stack_adjust_reltype): New function.
8523         (Sized_relobj::find_functions): New function.
8524         * target-reloc.h: Include "object.h".
8525         (relocate_section): Add reloc_symbol_changes parameter.  Change
8526         all callers.
8527         * target.h (class Target): Add calls_non_split method.  Declare
8528         do_calls_non_split virtual method.  Declare match_view and
8529         set_view_to_nop.
8530         * target.cc: Include "elfcpp.h".
8531         (Target::do_calls_non_split): New function.
8532         (Target::match_view): New function.
8533         (Target::set_view_to_nop): New function.
8534         * gold.cc (queue_middle_tasks): Give an error if mixing
8535         split-stack and non-split-stack objects with -r.
8536         * i386.cc (Target_i386::relocate_section): Add
8537         reloc_symbol_changes parameter.
8538         (Target_i386::do_calls_non_split): New function.
8539         * x86_64.cc (Target_x86_64::relocate_section): Add
8540         reloc_symbol_changes parameter.
8541         (Target_x86_64::do_calls_non_split): New function.
8542         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8543         parameter.
8544         * powerpc.cc (Target_powerpc::relocate_section): Add
8545         reloc_symbol_changes parameter.
8546         * sparc.cc (Target_sparc::relocate_section): Add
8547         reloc_symbol_changes parameter.
8548         * configure.ac: Call AM_CONDITIONAL for the default target.
8549         * configure: Rebuild.
8550         * testsuite/Makefile.am (TEST_AS): New variable.
8551         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8552         (check_DATA): Add split_i386 and split_x86_64 files.
8553         (SPLIT_DEFSYMS): Define.
8554         (split_i386_[1234n].o): New targets.
8555         (split_i386_[124]): New targets.
8556         (split_i386_[1234r].stdout): New targets.
8557         (split_x86_64_[1234n].o): New targets.
8558         (split_x86_64_[124]): New targets.
8559         (split_x86_64_[1234r].stdout): New targets.
8560         (MOSTLYCLEANFILES): Add new executables.
8561         * testsuite/split_i386.sh: New file.
8562         * testsuite/split_x86_64.sh: New file.
8563         * testsuite/split_i386_1.s: New file.
8564         * testsuite/split_i386_2.s: New file.
8565         * testsuite/split_i386_3.s: New file.
8566         * testsuite/split_i386_4.s: New file.
8567         * testsuite/split_i386_n.s: New file.
8568         * testsuite/split_x86_64_1.s: New file.
8569         * testsuite/split_x86_64_2.s: New file.
8570         * testsuite/split_x86_64_3.s: New file.
8571         * testsuite/split_x86_64_4.s: New file.
8572         * testsuite/split_x86_64_n.s: New file.
8573         * testsuite/testfile.cc (Target_test): Update relocation_section
8574         function.
8575         * testsuite/Makefile.in: Rebuild.
8576
8577 2009-10-06  Ian Lance Taylor  <iant@google.com>
8578
8579         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8580         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8581         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8582         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8583         the address on ldo_addrs_.
8584         (Target_i386::Relocate::fix_up_ldo): New function.
8585
8586 2009-10-06   Rafael Espindola  <espindola@google.com>
8587
8588         * plugin.cc (add_input_library): New.
8589         (Plugin::load): Add add_input_library to tv.
8590         (Plugin_manager::add_input_file): Add the is_lib argument.
8591         (add_input_file): Update call to Plugin_manager::add_input_file.
8592         (add_input_library): New.
8593         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8594
8595 2009-09-30  Doug Kwan  <dougkwan@google.com>
8596
8597         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8598         symbol and call Symbol::may_need_copy_reloc to determine if
8599         a copy reloc is needed.
8600         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8601         nocopyreloc is given in command line.
8602         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8603         given in command line.
8604         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8605         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8606         of the removed Target_i386::may_need_copy_reloc.
8607         * options.h (copyreloc): New option with default value false.
8608         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8609         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8610         instead of the removed Target_powerpc::may_need_copy_reloc.
8611         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8612         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8613         instead of the removed Target_sparc::may_need_copy_reloc.
8614         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8615         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8616         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8617         instead of the removed Target_x86_64::may_need_copy_reloc.
8618
8619 2009-09-30  Ian Lance Taylor  <iant@google.com>
8620
8621         * object.h (class Object): Remove target_ field, and target,
8622         sized_target, and set_target methods.
8623         (Object::sized_target): Remove.
8624         (class Sized_relobj): Update declarations.  Remove sized_target.
8625         * object.cc (Sized_relobj::setup): Remove target parameter.
8626         Change all callers.
8627         (Input_objects::add_object): Don't do anything with the target.
8628         (make_elf_sized_object): Add punconfigured parameter.  Change all
8629         callers.  Set or test parameter target.
8630         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8631         Change all callers.
8632         * parameters.cc (Parameters::set_target): Change parameter type to
8633         be non-const.
8634         (Parameters::default_target): Remove.
8635         (set_parameters_target): Change parameter type to be non-const.
8636         (parameters_force_valid_target): New function.
8637         (parameters_clear_target): New function.
8638         * parameters.h (class Parameters): Update declarations.  Remove
8639         default_target method.  Add sized_target and clear_target
8640         methods.  Change target_ to be non-const.
8641         (set_parameters_target): Update declaration.
8642         (parameters_force_valid_target): Declare.
8643         (parameters_clear_target): Declare.
8644         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8645         as NULL if we aren't searching.
8646         (Add_symbols::run): Don't check for compatible target.
8647         * fileread.cc (Input_file::open_binary): Call
8648         parameters_force_valid_target.
8649         * gold.cc (queue_middle_tasks): Likewise.
8650         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8651         set_target on object.
8652         * dynobj.h (class Sized_dynobj): Update declarations.
8653         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8654         make_elf_object returns NULL.
8655         (Archive::include_member): Don't check whether object target is
8656         compatible.
8657         * output.cc (Output_section::add_input_section): Get target from
8658         parameters.
8659         (Output_section::relax_input_section): Likewise.
8660         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8661         parameters.
8662         (Sized_relobj::do_scan_relocs): Likewise.
8663         (Sized_relobj::relocate_sections): Likewise.
8664         * resolve.cc (Symbol_table::resolve): Likewise.
8665         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8666         parameter.  Change all callers.
8667         (Symbol_table::add_from_object): Get target from parameters.
8668         (Symbol_table::add_from_relobj): Don't check object target.
8669         (Symbol_table::add_from_dynobj): Likewise.
8670         (Symbol_table::define_special_symbol): Get target from
8671         parameters.
8672         * symtab.h (class Symbol_table): Update declaration.
8673         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8674         parameter.  Change all callers.  Clear parameter target.
8675         (Binary_test): Test target here.
8676         * testsuite/object_unittest.cc (gold_testsuite): Remove
8677         target_test_pointer parameter.  Change all callers.
8678         (Object_test): Test target here.
8679
8680 2009-09-26  Ian Lance Taylor  <iant@google.com>
8681
8682         * testsuite/initpri1.c: Don't try to use constructor priorities if
8683         compiling with gcc before 4.3.
8684
8685 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8686
8687         * testsuite/retain_symbols_file_test.sh (check_present): Change
8688         output file name to retain_symbols_file_test.stdout.
8689         (check_absent): Likewise.
8690
8691 2009-09-18  Craig Silverstein  <csilvers@google.com>
8692
8693         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8694         * options.cc: Include <cerrno> and <fstream>.
8695         (General_options::finalize): Parse -retain-symbols-file tag.
8696         * options.h: New flag.
8697         (General_options): New method should_retain_symbol, new
8698         variable symbols_to_retain.
8699         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8700         should_retain_symbol map.
8701         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8702         * testsuite/Makefile.in: Regenerate.
8703         * testsuite/retain_symbols_file_test.sh: New file.
8704
8705 2009-09-18  Nick Clifton  <nickc@redhat.com>
8706
8707         * po/es.po: Updated Spanish translation.
8708
8709 2009-09-17  Doug Kwan  <dougkwan@google.com>
8710
8711         * debug.h (DEBUG_RELAXATION): New constant.
8712         (DEBUG_ALL): Add DEBUG_RELAXATION.
8713         (debug_string_to_enum): Add relaxation debug option.
8714         * layout.cc
8715         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8716         Layout::Relaxation_debug_check::read_sections,
8717         Layout::Relaxation_debug_check::read_sections): New method definitions.
8718         (Layout::Layout): Initialize data members
8719         record_output_section_data_from_scrips_,
8720         script_output_section_data_list_ and relaxation_debug_check_.
8721         (Layout::save_segments, Layout::restore_segments,
8722         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8723         Layout::relaxation_loop_body): New method definitions.
8724         (Layout::finalize): Support relaxation.  Move section layout code to
8725         Layout::relaxation_loop_body.
8726         (Layout::set_asection_address_from_script): Move code for orphan
8727         section placement out.
8728         (Layout::place_orphan_sections_in_script): New method definition.
8729         * layout.h (Output_segment_headers, Output_file_header):
8730         New forward class declarations.
8731         (Layout::~Layout): Define.
8732         (Layout::new_output_section_data_from_script): New method definition.
8733         (Layout::place_orphan_sections_in_script): New method declaration.
8734         (Layout::Segment_states): New type declaration.
8735         (Layout::save_segments, Layout::restore_segments,
8736         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8737         Layout::relaxation_loop_body): New method declarations.
8738         (Layout::Output_section_data_list): New type declaration.
8739         (Layout::Relaxation_debug_check): New class definition.
8740         (Layout::record_output_section_data_from_script_,
8741         Layout::script_output_section_data_list_, Layout::segment_states_,
8742         Layout::relaxation_debug_check_): New data members.
8743         * output.cc: (Output_section_headers::do_size): New method definition.
8744         (Output_section_headers::Output_section_headers): Move size
8745         computation to Output_section_headers::do_size.
8746         (Output_segment_headers::do_size): New method definition.
8747         (Output_file_header::Output_file_header): Move size computation to
8748         Output_file_header::do_size and call it.
8749         (Output_file_header::do_size): New method definition.
8750         (Output_data_group::Output_data_group): Adjust call to
8751         Output_section_data.
8752         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8753         (Output_symtab_xindex::do_write): Add array bound check.
8754         (Output_section::Input_section::print_to_mapfile): Handle
8755         RELAXED_INPUT_SECTION_CODE.
8756         (Output_section::Output_section): Initialize data member checkpoint_.
8757         (Output_section::~Output_section): Delete checkpoint object pointed
8758         by checkpoint_.
8759         (Output_section::add_input_section): Always add an Input_section if
8760         relaxing.
8761         (Output_section::add_merge_input_section): Add assert.
8762         (Output_section::relax_input_section): New method definition.
8763         (Output_section::set_final_data_size): Set load address to zero for
8764         an unallocated section.
8765         (Output_section::do_address_and_file_offset_have_reset_values):
8766         New method definition.
8767         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8768         Handle relaxed input section.
8769         (Output_section::sort_attached_input_sections): Checkpoint input
8770         section list lazily.
8771         (Output_section::get_input_sections): Change type of input_sections to
8772         list of Simple_input_section pointers.  Checkpoint input section list
8773         lazily.  Also handle relaxed input sections.
8774         (Output_section::add_input_section_for_script): Take a reference to
8775         a Simple_input_section object instead of Relobj pointer and section
8776         index as parameter.  Handle relaxed input sections.
8777         (Output_section::save_states, Output_section::restore_states): New
8778         method definitions.
8779         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8780         (Output_data::is_data_size_fixed): New method definition.
8781         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8782         if it is fixed.
8783         (Output_data::address_and_file_offset_have_reset_values): New method
8784         definition.
8785         (Output_data::do_address_and_file_offset_have_reset_values): New method
8786         definition.
8787         (Output_data::set_data_size): Check that data size is not fixed.
8788         (Output_data::fix_data_size): New method definition.
8789         (Output_data::is_data_size_fixed_): New data member.
8790         (Output_section_headers::set_final_data_size): New method definition.
8791         (Output_section_headers::do_size): New method declaration.
8792         (Output_segment_headers::set_final_data_size): New method definition.
8793         (Output_segment_headers::do_size): New method declaration.
8794         (Output_file_header::set_final_data_size)::New method definition.
8795         (Output_file_header::do_size)::New method declaration.
8796         (Output_section_data::Output_section_data): Add new parameter
8797         is_data_size_fixed and use it to fix data size.
8798         (Output_data_const::Output_data_const): Adjust call to base class
8799         constructor and fix data size.
8800         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8801         base class constructor and fix data size.
8802         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8803         base class constructor and fix data size.
8804         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8805         class constructor and fix data size.
8806         (Output_data_group::set_final_data_size): New method definition.
8807         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8808         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8809         class constructor and fix data size.
8810         (Output_relaxed_input_section): New class definition.
8811         (Output_section::Simple_input_section): New class definition.
8812         (Output_section::get_input_sections): Adjust parameter list.
8813         (Output_section::add_input_section_for_script): Same.
8814         (Output_section::save_states, Output_section::restore_states,
8815         Output_section::do_address_and_file_offset_have_reset_values,
8816         (Output_section::Input_section::Input_section): Handle
8817         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8818         Output_relaxed_input_section.
8819         (Output_section::Input_section::is_input_section,
8820         Output_section::Input_section::set_output_section): Handle relaxed
8821         input section.
8822         (Output_section::Input_section::is_relaxed_input_section,
8823         Output_section::Input_section::output_section_data,
8824         Output_section::Input_section::relaxed_input_section): New method
8825         definitions.
8826         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8827         value.
8828         (Output_section::Input_section::u1_): Update comments.
8829         (Output_section::Input_section::u2_): Add new union member poris.
8830         (Output_section::Checkpoint_output_section): New classs definition.
8831         (Output_section::relax_input_section): New method declaration.
8832         (Output_section::checkpoint_): New data member.
8833         (Output_segment): Update comments.
8834         (Output_segment::Output_segment): Un-privatize copy constructor.
8835         (Output_segment::operator=): Un-privatize.
8836         * script-sections.cc (Output_section_element::Input_section_list):
8837         Change element type to Output_section::Simple_input_section.
8838         (Output_section_element_dot_assignment::set_section_addresses):
8839         Register output section data for relaxation clean up.
8840         (Output_data_exression::Output_data_expression): Adjust call to base
8841         constructor to fix data size.
8842         (Output_section_element_data::set_section_addresses): Register
8843         Output_data_expression object for relaxation clean up.
8844         (struct Input_section_info): Replace Relobj pointer and section index
8845         pair with Output_section::Simple_input_section and Convert struct to a
8846         class.
8847         (Input_section_sorter::operator()): Adjust access to
8848         Input_section_info data member to use accessors.
8849         (Output_section_element_input::set_section_addresses): Use layout
8850         parameter.  Adjust code to use Output_section::Simple_input_section
8851         and Input_secction_info classes.  Register filler for relaxation
8852         clean up.
8853         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8854         and section index pair with Output_section::Simple_input_section
8855         class.  Adjust code accordingly.
8856         (Phdrs_element::release_segment): New method definition.
8857         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8858         segment list.
8859         (Script_sections::release_segments): New method definition.
8860         * gold/script-sections.h (Script_sections::release_segments): New
8861         method declaration.
8862         * gold/target.h (Target::may_relax, Target::relax,
8863         Target::do_may_relax, Target::do_relax): New method definitions.
8864
8865 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8866
8867         * arm.cc (has_signed_unsigned_overflow): New function.
8868         (Arm_relocate_functions::abs8): New function.
8869         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8870         (Target_arm::Scan::global): Likewise.
8871         (Target_arm::relocate::relocate): Likewise.
8872         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8873         Likewise.
8874
8875 2009-09-16  Cary Coutant  <ccoutant@google.com>
8876
8877         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8878         * testsuite/Makefile.in: Regenerate.
8879
8880 2009-09-11  Nick Clifton  <nickc@redhat.com>
8881
8882         * po/gold.pot: Updated by the Translation project.
8883
8884 2009-09-08  Cary Coutant  <ccoutant@google.com>
8885
8886         * output.cc (Output_file::open): Add execute permission to empty file.
8887         * testsuite/Makefile.am (permission_test): New test.
8888         * testsuite/Makefile.in: Regenerate.
8889
8890 2009-09-02  Ian Lance Taylor  <iant@google.com>
8891
8892         * output.cc (Output_file::resize): Call map_no_anonymous rather
8893         than map.
8894
8895 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8896
8897         * gold.cc: Include "incremental.h".
8898         (queue_initial_tasks): Call Incremental_checker methods.
8899         * incremental.cc: Include "output.h".
8900         (Incremental_checker::can_incrementally_link_output_file): New
8901         method.
8902         * incremental.h (Incremental_checker): New class.
8903
8904         * output.cc (Output_file::open_for_modification): New method.
8905         (Output_file::map_anonymous): Changed return type to bool.  Record
8906         map in base_ field.
8907         (Output_file::map_no_anonymous): New method, broken out of map.
8908         (Output_file::map): Use map_no_anonymous and map_anonymous.
8909         * output.h (class Output_file): Update declarations.
8910
8911 2009-08-24  Cary Coutant  <ccoutant@google.com>
8912
8913         * options.h (Command_line::Pre_options): New class.
8914         (Command_line::pre_options): New member.
8915         * options.cc (gold::options::ready_to_register): New variable.
8916         (One_option::register_option): Do nothing if not registering options.
8917         Assert if same short option registered twice.
8918         (General_options::General_options): Turn off option registration when
8919         done constructing.
8920         (Command_line::Pre_options::Pre_options): New constructor.
8921
8922 2009-08-24  Cary Coutant  <ccoutant@google.com>
8923
8924         * options.h (General_options::no_keep_memory): Remove incorrect
8925         short option.
8926
8927 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8928
8929         * Makefile.am (am__skiplex, am__skipyacc): New.
8930         * Makefile.in: Regenerate.
8931
8932 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8933
8934         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8935         (INCLUDES): ... this.
8936         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8937         (AM_CPPFLAGS): Renamed from ...
8938         (INCLUDE): ... this.
8939         * Makefile.in, testsuite/Makefile.in: Regenerate.
8940
8941         * Makefile.in: Regenerate.
8942         * aclocal.m4: Likewise.
8943         * config.in: Likewise.
8944         * configure: Likewise.
8945         * testsuite/Makefile.in: Likewise.
8946
8947         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8948         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8949         * Makefile.in: Regenerate.
8950         * testsuite/Makefile.in: Regenerate.
8951
8952 2009-08-19  Cary Coutant  <ccoutant@google.com>
8953
8954         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8955         symbols in shared libraries overridden by hidden or internal symbols
8956         in the main program.
8957
8958 2009-08-19  Chris Demetriou  <cgd@google.com>
8959
8960         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8961         checking source file names in error messages.
8962
8963 2009-08-18  Doug Kwan  <dougkwan@google.com>
8964
8965         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8966         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8967         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8968         an elfcpp::Ehdr as parameter.
8969         * object.cc (Object::set_target): Remove the version that looks up
8970         a target and sets it.
8971         (Sized_relobj::setup): Take a Target object instead of
8972         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8973         (make_elf_sized_object): Find target and ask target to
8974         make an ELF object.
8975         * object.h: (Object::set_target): Remove the version that looks up
8976         a target and sets it.
8977         (Sized_relobj::setup): Take a Target object instead of
8978         an elfcpp:Ehdr as parameter.
8979         * target.cc: Include dynobj.h.
8980         (Target::do_make_elf_object_implementation): New.
8981         (Target::do_make_elf_object): New.
8982         * target.h (Target::make_elf_object): New template declaration.
8983         (Target::do_make_elf_object): New method declarations.
8984         (Target::do_make_elf_object_implementation): New template declaration.
8985
8986 2009-08-14  Ian Lance Taylor  <iant@google.com>
8987
8988         * gold.h (FUNCTION_NAME): Define.
8989         (gold_unreachable): Use FUNCTION_NAME.
8990
8991 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8992
8993         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8994         symbol in the --keep-unique list is not found.
8995
8996 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8997
8998         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8999         been maked as --keep-unique.
9000         (Icf::unfold_section): New function.
9001         * icf.h (Icf::unfold_section): New function.
9002         * options.h (General_options::keep_unique): New option.
9003         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
9004         * testsuite/Makefile.in: Regenerate.
9005         * testsuite/icf_keep_unique_test.sh: New file.
9006         * testsuite/icf_keep_unique_test.cc: New file.
9007
9008 2009-08-12  Cary Coutant  <ccoutant@google.com>
9009
9010         PR 10471
9011         * resolve.cc (Symbol_table::resolve): Check for references from
9012         dynamic objects to hidden and internal symbols.
9013         * testsuite/Makefile.am (hidden_test.sh): New test.
9014         * testsuite/Makefile.in: Regenerate.
9015         * testsuite/hidden_test.sh: New script.
9016         * testsuite/hidden_test_1.c: New test source.
9017         * testsuite/hidden_test_main.c: New test source.
9018
9019 2009-08-11  Doug Kwan  <dougkwan@google.com>
9020
9021         * arm.cc: Update comments.
9022         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
9023         segment to locate the .ARM.exidx section if present.
9024
9025 2009-08-09  Doug Kwan  <dougkwan@google.com>
9026
9027         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
9028         patch.
9029
9030 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
9031         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
9032         compiler warnings.
9033
9034 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
9035
9036         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
9037         valid tls_segment only for non-debug-section relocations.
9038         * testsuite/Makefile.am: Add gc_tls_test.
9039         * testsuite/Makefile.in: Regenerate.
9040         * testsuite/gc_tls_test.cc: New file.
9041         * testsuite/gc_tls_test.sh: New file.
9042
9043 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
9044
9045         * icf.cc: New file.
9046         * icf.h: New file.
9047         * Makefile.am (CCFILES): Add icf.cc.
9048         (HFILES): Add icf.h
9049         * Makefile.in: Regenerate.
9050         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
9051         * gc.h (gc_process_relocs): Populate lists used by icf to contain
9052         section, symbol and addend information for the relocs.
9053         * gold.cc (queue_middle_tasks): Call identical code folding.
9054         * gold.h: Add defines for multimap.
9055         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
9056         to the call of finalize_local_symbols.
9057         * main.cc (main): Create object of class Icf.
9058         * object.cc (Sized_relobj::do_layout): Allow this function to be
9059         called twice during icf.
9060         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
9061         to sections marked as identical by icf.
9062         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
9063         when available.
9064         (Sized_relobj::do_section_entsize): New function.
9065         * object.h (Object::section_entsize): New function.
9066         (Object::do_section_entsize): New pure virtual function.
9067         (Relobj::finalize_local_symbols): Add new parameter.
9068         (Relobj::do_section_entsize): New function.
9069         * options.h (General_options::icf): New option.
9070         (General_options::icf_iterations): New option.
9071         (General_options::print_icf_sections): New option.
9072         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
9073         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
9074         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
9075         icf.
9076         * symtab.cc (Symbol_table::is_section_folded): New function.
9077         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
9078         to sections marked as identical by icf.
9079         * symtab.h (Symbol_table::set_icf): New function.
9080         (Symbol_table::icf): New function.
9081         (Symbol_table::is_section_folded): New function.
9082         (Symbol_table::icf_): New data member.
9083         * target-reloc.h (relocate_section): Ignore sections folded by icf.
9084         * testsuite/Makefile.am: Add commands to build icf_test.
9085         * testsuite/Makefile.in: Regenerate.
9086         * testsuite/icf_test.sh: New file.
9087         * testsuite/icf_test.cc: New file.
9088
9089 2009-07-24  Chris Demetriou  <cgd@google.com>
9090
9091         * layout.cc (is_compressible_debug_section): Fix incorrect
9092         comment about compressed section names.
9093
9094 2009-07-20  Ian Lance Taylor  <ian@airs.com>
9095
9096         PR 10419
9097         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
9098
9099 2009-07-16  Ian Lance Taylor  <iant@google.com>
9100
9101         PR 10400
9102         * layout.h: #include <map>.
9103         (class Kept_section): Change from struct to class.  Add accessors
9104         and setters.  Add section size to Comdat_group mapping.  Change
9105         Comdat_group to std::map.  Add is_comdat_ field.  Add
9106         linkonce_size field in union.
9107         (class Layout): Update declaration of find_or_add_kept_section.
9108         Don't declare find_kept_object.
9109         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
9110         parameter.  Add object, shndx, is_comdat, and is_group_name
9111         parameters.  Change all callers.  Adjust for new Kept_section.
9112         (Layout::find_kept_object): Remove.
9113         * object.cc (Sized_relobj::include_section_group): Update use of
9114         Kept_section.  Rename secnum to shndx.  Only record
9115         Kept_comdat_section if sections are the same size.
9116         (Sized_relobj::include_linkonce_section): Update use of
9117         Kept_section.  Only record Kept_comdat_section if sections are the
9118         same size.  Set size of linkonce section.
9119         (Sized_relobj::map_to_kept_section): Update call to
9120         get_kept_comdat_section.
9121         * object.h (class Sized_relobj): Rename fields in
9122         Kept_comdat_section to drop trailing underscores; change object
9123         field to Relobj*.  Change Kept_comdat_section_table to store
9124         struct rather than pointer.
9125         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
9126         Add kept_object and kept_shndx parameters.  Change all callers.
9127         (Sized_relobj::get_kept_comdat_section): Change return type to
9128         bool.  Add kept_object and kept_shndx parameters.  Change all
9129         callers.
9130         * plugin.cc (Pluginobj::include_comdat_group): Update call to
9131         Layout::find_or_add_kept_section.
9132
9133 2009-07-09  Ian Lance Taylor  <iant@google.com>
9134
9135         * merge.cc (Object_merge_map::initialize_input_to_output_map):
9136         Reserve space in the hash table.
9137
9138 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
9139
9140         * fileread.cc (File_read::get_mtime): New method.
9141         * fileread.h (Timespec): New structure.
9142         (File_read::get_mtime): New method.
9143         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
9144         Renamed from timestamp_nsec.
9145         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
9146         Elf_Xword.
9147         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
9148         timestamp_nsec.
9149         (Incremental_inputs::report_archive): Save mtime; style fix.
9150         (Incremental_inputs::report_obejct): Save mtime; style fix.
9151         (Incremental_inputs::report_script): Save mtime; style fix.
9152         (Incremental_inputs::finalize_inputs): Style fix.
9153         (Incremental_inputs::finalize): Style fix.
9154         (Incremental_inputs::create_input_section_data): Store inputs
9155         mtime.
9156         * incremental.h (Incremental_inputs::report_script): Add mtime
9157         argument.
9158         (Incremental_inputs::Input_info::Input_info): Intialize only one
9159         union member.
9160         (Incremental_inputs::Input_info::archive): Move to nameless
9161         union.
9162         (Incremental_inputs::Input_info::obejct): Move to nameless union.
9163         (Incremental_inputs::Input_info::script): Move to nameless union.
9164         (Incremental_inputs::mtime): New field.
9165         * script.cc (read_input_script): Pass file mtime to
9166         Incremental_input.
9167         * script.h (Script_info::inputs): Style fix.
9168
9169 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9170
9171         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9172         instead of 32.
9173
9174 2009-06-24  Ian Lance Taylor  <iant@google.com>
9175
9176         PR 10156
9177         * layout.cc (Layout::choose_output_section): If we find an
9178         existing section, update the flags.
9179         (Layout::create_notes): New function, broken out of
9180         Layout::finalize.
9181         (Layout::finalize): Don't create note sections.
9182         (Layout::create_note): Don't crash if linker script discards
9183         section.
9184         (Layout::create_gold_note): Likewise.
9185         (Layout::create_build_id): Likewise.  Don't set
9186         after_input_sections on the section.
9187         (Layout::create_executable_stack_info): Remove target parameter.
9188         Change caller.
9189         * layout.h (class Layout): Declare create_notes.  Update
9190         declaration of create_executable_stack_info.
9191         * gold.cc (queue_middle_tasks): Call create_notes.
9192         * output.cc (Output_section::update_flags_for_input_section): Move
9193         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9194         invalid.
9195         * output.h (Output_data::mark_address_invalid): New function.
9196         (class Output_section): Only declare, not define,
9197         update_flags_for_input_section.  Remove set_flags.
9198
9199 2009-06-24  Ian Lance Taylor  <iant@google.com>
9200
9201         * script-sections.cc (Output_section_definition::
9202         set_section_addresses): Rename shadowing local load_address to
9203         laddr.
9204
9205 2009-06-24  Ian Lance Taylor  <iant@google.com>
9206
9207         PR 10244
9208         * reloc.cc (relocate_sections): Skip empty relocation sections.
9209
9210 2009-06-23  Ian Lance Taylor  <iant@google.com>
9211
9212         PR 10156
9213         * layout.cc (Layout::create_note): Use choose_output_section
9214         rather than make_output_section.
9215
9216 2009-06-23  Ian Lance Taylor  <iant@google.com>
9217
9218         PR 10237
9219         * options.cc (General_options::parse_V): Set printed_version_.
9220         (General_options::General_options): Initialize printed_version_.
9221         * options.h (class General_options): Add printed_version_ field.
9222         * gold.cc (queue_initial_tasks): If there are no input files,
9223         don't give a fatal error if we printed the version information.
9224         (queue_middle_tasks): If using -r with a shared object, give a
9225         fatal error rather than an ordinary error.
9226
9227 2009-06-23  Ian Lance Taylor  <iant@google.com>
9228
9229         PR 10219
9230         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9231         (Layout::make_output_section): Set have_stabstr_section_ if we see
9232         a .stab*str section.
9233         (Layout::finalize): Call link_stabs_sections.
9234         (Layout::link_stabs_sections): New file.
9235         * layout.h (class Layout): Add have_stabstr_section_ field.
9236         Declare link_stabs_sections.
9237
9238 2009-06-23  Doug Kwan  <dougkwan@google.com>
9239
9240         * Makefile.am (libgold_a_LIBADD): New.
9241         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9242         * Makefile.in: Regenerate.
9243         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9244         * configure: Regenerate.
9245         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9246         * fileread.cc: Include sys/state.h
9247         * gold.h: Declare memmem and strndup if found missing.
9248         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9249
9250 2009-06-23  Ian Lance Taylor  <iant@google.com>
9251
9252         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9253         * configure: Rebuild.
9254
9255 2009-06-23  Ian Lance Taylor  <iant@google.com>
9256
9257         PR 10147
9258         * object.cc (Object::section_contents): Don't try to get a view if
9259         the section has length zero.
9260         (Object::handle_gnu_warning_section): If the section is empty, use
9261         the name of the section as the warning.
9262
9263 2009-06-23  Ian Lance Taylor  <iant@google.com>
9264
9265         PR 10133
9266         * stringpool.h (class Stringpool_template): Add optimize_ field.
9267         (Stringpool_template::set_optimize): New function.
9268         * stringpool.cc (Stringpool_template::Stringpool_template):
9269         Initialize optimize_ field.
9270         (Stringpool_template::set_string_offsets): Test local optimize
9271         fild rather than parameter.
9272         * layout.cc (Layout::Layout): Call set_optimize on the section
9273         name stringpool.
9274
9275 2009-06-22  Ian Lance Taylor  <iant@google.com>
9276
9277         PR 10030
9278         * yyscript.y: Parse TARGET.
9279         * script.cc (script_set_target): New function.
9280         * script-c.h (script_set_target): Declare.
9281         * options.cc (General_options::string_to_object_format): Rename
9282         from string_to_object_format in anonymous namespace.  Change
9283         callers.
9284         * options.h (class General_options): Declare
9285         string_to_object_format.
9286
9287 2009-06-22  Ian Lance Taylor  <iant@google.com>
9288
9289         * script-sections.cc (Script_sections::create_segments): Don't put
9290         program headers in a PT_LOAD segment if -n or -N.
9291
9292 2009-06-22  Ian Lance Taylor  <iant@google.com>
9293
9294         PR 10141
9295         * options.h (class General_options): Add -z lazy and -z now.  Sort
9296         -z options into alphabetical order.
9297         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9298
9299 2009-06-21  Ian Lance Taylor  <iant@google.com>
9300
9301         * layout.cc (Layout::make_output_section): Call
9302         Target::new_output_section.
9303         (Layout::attach_allocated_section_to_segment): Put large section
9304         sections in a separate load segment with the large segment flag
9305         set.
9306         (Layout::segment_precedes): Sort large data segments after other
9307         load segments.
9308         (align_file_offset): New static function.
9309         (Layout::set_segment_offsets): Use align_file_offset.
9310         * output.h (class Output_section): Add is_small_section_ and
9311         is_large_section_ fields.
9312         (Output_section::is_small_section): New function.
9313         (Output_section::set_is_small_section):  New function.
9314         (Output_section::is_large_section): New function.
9315         (Output_section::set_is_large_section): New function.
9316         (Output_section::is_large_data_section): New function.
9317         (class Output_segment): Add is_large_data_segment_ field.
9318         (Output_segment::is_large_data_segment): New function.
9319         (Output_segment::set_is_large_data_segment): New function.
9320         * output.cc (Output_section::Output_section): Initialize new
9321         fields.
9322         (Output_segment::Output_segment): Likewise.
9323         (Output_segment::add_output_section): Add assertion that large
9324         data sections always go in large data segments.  Force small data
9325         sections to the end of the list of data sections.  Force small BSS
9326         sections to the start of the list of BSS sections.  For large BSS
9327         sections to the end of the list of BSS sections.
9328         * symtab.h (class Symbol): Declare is_common_shndx.
9329         (Symbol::is_defined): Check Symbol::is_common_shndx.
9330         (Symbol::is_common): Likewise.
9331         (class Symbol_table): Define enum Commons_section_type.  Update
9332         declarations.  Add small_commons_ and large_commons_ fields.
9333         * symtab.cc (Symbol::is_common_shndx): New function.
9334         (Symbol_table::Symbol_table): Initialize new fields.
9335         (Symbol_table::add_from_object): Put small and large common
9336         symbols in the right list.
9337         (Symbol_table::sized_finalized_symbol): Check
9338         Symbol::is_common_shndx.
9339         (Symbol_table::sized_write_globals): Likewise.
9340         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9341         common symbol lists.  Don't call do_allocate_commons_list if the
9342         list is empty.
9343         (Symbol_table::do_allocate_commons_list): Remove is_tls
9344         parameter.  Add comons_section_type parameter.  Change all
9345         callers.  Handle small and large common symbols.
9346         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9347         Symbol::is_common_shndx.
9348         * resolve.cc (symbol_to_bits): Likewise.
9349         * target.h (Target::small_common_shndx): New function.
9350         (Target::small_common_section_flags): New function.
9351         (Target::large_common_shndx): New function.
9352         (Target::large_common_section_flags): New function.
9353         (Target::new_output_section): New function.
9354         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9355         small_common_section_flags, and large_common_section_flags
9356         fields.
9357         (Target::do_new_output_section): New virtual function.
9358         * arm.cc (Target_arm::arm_info): Initialize new fields.
9359         * i386.cc (Target_i386::i386_info): Likewise.
9360         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9361         Likewise.
9362         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9363         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9364         (Target_x86_64::do_new_output_section): New function.
9365         * configure.ac: Define conditional MCMODEL_MEDIUM.
9366         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9367         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9368         (large_LDFLAGS): Define.
9369         * testsuite/large.c: New file.
9370         * testsuite/testfile.cc (Target_test::test_target_info):
9371         Initialize new fields.
9372         * configure, testsuite/Makefile.in: Rebuild.
9373
9374 2009-06-05  Doug Kwan  <dougkwan@google.com>
9375
9376         * Makefile.am (CCFILES): Add target.cc.
9377         * Makefile.in: Regenerate.
9378         * i386.cc (class Target_i386): Define new virtual method to
9379         override do_is_local_label_name in parent.
9380         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9381         local symbols if --discard-locals or -X is given.
9382         * options.h (class General_options): Declare new options
9383         '--discard-locals' and '-X' for discarding locals.
9384         * target.h (class Target): Define new methods is_local_label_name.
9385         Declare new virtual method do_is_local_label_name.
9386         * target.cc: New file.
9387         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9388         (check_SCRIPTS): Add discard_locals_test.sh.
9389         (check_DATA): Add discard_local_tests.syms.
9390         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9391         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9392         * testsuite/Makefile.in: Regenerate.
9393         * testsuite/discard_locals_test.c: New file.
9394         * testsuite/discard_locals_test.sh: Same.
9395
9396 2009-06-05  Doug Kwan  <dougkwan@google.com>
9397
9398         * object.cc (Sized_relobj::Sized_relobj): Initialize
9399         discarded_eh_frame_shndx_ to -1U.
9400         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9401         section.
9402         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9403         a discarded .eh_frame section.
9404         (Sized_relobj::do_finalize_local_symbols): Ditto.
9405         * object.h (class Sized_relobj): Declare new member
9406         discarded_eh_frame_shndx_.
9407         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9408         (local_labels_test.o, local_labels_test): New rules.
9409         * testsuite/Makefile.in: Regenerate.
9410
9411 2009-06-04  Doug Kwan  <dougkwan@google.com>
9412
9413         * layout.cc (Layout::section_name_mapping): Add mapping for
9414         special ARM sections.
9415
9416 2009-06-03  Doug Kwan  <dougkwan@google.com>
9417
9418         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9419         (utils::has_overflow): Same.
9420
9421 2009-06-03  Ian Lance Taylor  <iant@google.com>
9422
9423         * layout.cc (Layout::section_name_mapping): New array, replacing
9424         Layout::linkonce_mapping.
9425         (Layout::section_name_mapping_count): New variable, replacing
9426         Layout::linkonce_mapping_count.
9427         (Layout::linkonce_output_name): Remove.
9428         (Layout::output_section_name): Rewrite.
9429         * layout.h (class Layout): Rename Linkonce_mapping to
9430         Section_name_mapping, linkonce_mapping to section_name_mapping,
9431         linkonce_mapping_count to section_name_mapping_count.  Don't
9432         declare linkonce_output_name.
9433
9434 2009-06-03  Doug Kwan  <dougkwan@google.com>
9435
9436         * gold/arm.cc (namespace utils): New.
9437         (Target_arm::reloc_is_non_pic): Define new method.
9438         (class Arm_relocate_functions): New.
9439         (Target_arm::Relocate::relocate): Handle relocation types used by
9440         Android.
9441
9442 2009-06-03  Ian Lance Taylor  <iant@google.com>
9443
9444         * arm.cc (Target_arm::scan::global): Use || instead of |.
9445
9446 2009-06-02  Doug Kwan  <dougkwan@google.com>
9447
9448         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9449         issued_non_pic_error_.
9450         (class Target_arm::Scan): Declare new method check_non_pic.
9451         Define new method symbol_needs_plt_entry.
9452         Declare new data member issued_non_pic_error_.
9453         (class Target_arm::Relocate): Declare new method
9454         should_apply_static_reloc.
9455         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9456         (Target_arm::Scan::check_non_pic): Define new method.
9457         (Target_arm::Scan::local): Handle a small subset of reloc types used
9458         by Android.
9459         (Target_arm::Scan::local): Same.
9460         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9461
9462 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9463
9464         * incremental.cc (Incremental_inputs::report_command_line): Filter
9465         out --incremental-* options.
9466
9467 2009-05-29  Doug Kwan  <dougkwan@google.com>
9468
9469         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9470         template class.
9471         (class Target_arm): Update comment.
9472         (Target_arm::Target_arm): Initialize new data members GOT_,
9473         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9474         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9475         and Target_arm::rel_dyn_section.
9476         Declare new_enum Target_arm::Got_type.
9477         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9478         and DYNBSS_.
9479         Update commments for member do_dynsym_value.
9480         (Target_arm::got_size, Target_arm::plt_section,
9481         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9482         new methods inside class defintion.
9483         (Target_arm::got_section): Define new method.
9484         (Target_arm::rel_dyn_section): Same.
9485         (Output_data_plt_arm): New template class.
9486         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9487         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9488         (Output_data_plt_arm::add_entry): Same.
9489         (Output_data_plt_arm::first_plt_entry): Define new
9490         static data member for PLT instruction template.
9491         (Output_data_plt_arm::plt_entry): Same.
9492         (Output_data_plt_arm::do_write): Define new method.
9493         (Target_arm::make_plt_entry): Same.
9494         (Target_arm::do_finalize_sections): Same.
9495         (Target_arm::do_dynsym_value): Same.
9496
9497 2009-05-28  Doug Kwan  <dougkwan@google.com>
9498
9499         * Makefile.am (TARGETSOURCES): Add arm.cc.
9500         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9501         * Makefile.in: Regenerate.
9502         * arm.cc: New file.
9503         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9504
9505 2009-05-26  Doug Kwan  <dougkwan@google.com>
9506
9507         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9508         (General_options::check_excluded_libs): Strip off directories in
9509         archive name before matching like GNU ld does.
9510         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9511         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9512         (exclude_libs_test_LDFLAGS): Add linker option
9513         -Wl,--exclude-libs,libexclude_libs_test_3
9514         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9515         an explicit archive without using -l.
9516         (alt/libexclude_libs_test_3.a): New make rule.
9517         * testsuite/Makefile.in: Regenerate.
9518         * testsuite/exclude_libs_test.c : Declare lib3_default().
9519         (main): Call it.
9520         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9521         * exclude_libs_test_3.c: New file.
9522
9523 2009-05-26  Nick Clifton  <nickc@redhat.com>
9524
9525         * po/id.po: New Indonesian translation.
9526         * po/gold.pot: Updated template file.
9527
9528 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9529
9530         * testsuite/Makefile.am: Add -ffunction-sections to compile
9531         gc_comdat_test files.  Add -Wl,--gc-sections to build
9532         gc_comdat_test.
9533         * testsuite/Makefile.in: Regenerate.
9534         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9535
9536 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9537
9538         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9539         kept comdat section was garbage collected.
9540         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9541         * testsuite/Makefile.in: Regenerate.
9542         * testsuite/gc_comdat_test.sh: New file.
9543         * testsuite/gc_comdat_test_1.cc: New file.
9544         * testsuite/gc_comdat_test_2.cc: New file.
9545
9546 2009-05-19  Doug Kwan  <dougkwan@google.com>
9547
9548         * archive.cc (Archive::Archive): Move constructor from archive.h
9549         to here.  Initialize no_export_.
9550         (Archive::get_elf_object_for_member): Set no_export flag of object.
9551         * archive.h (Archive::Archive): Move constructor body to
9552         archive.cc.
9553         (Archive::no_export): New method.
9554         (Archive::no_export_): New field.
9555         * object.h (Object::Object): Initialize no_export_ to false.
9556         (Object::no_export, Object::set_no_export): New methods.
9557         (Object::no_export_): New field.
9558         * options.cc (General_options::parse_exclude_libs): New method.
9559         (General_options::check_excluded_libs) Same.
9560         * options.h (exclude_libs): New option.
9561         (General_options::check_excluded_libs): New method declaration.
9562         (General_options::excluded_libs_): New field.
9563         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9564         default or protected visibility if an object has no-export flag set.
9565         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9566         (check_SCRIPTS): Add exclude_libs_test.sh.
9567         (check_DATA): Add exclude_libs_test.syms.
9568         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9569         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9570         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9571         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9572         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9573         libexclude_libs_test_2.a): New rules.
9574         * testsuite/Makefile.in: Regenerate.
9575         * testsuite/exclude_libs_test.c: New file.
9576         * testsuite/exclude_libs_test.sh: Ditto.
9577         * testsuite/exclude_libs_test_1.c: Ditto.
9578         * testsuite/exclude_libs_test_2.c: Ditto.
9579
9580 2009-05-15  Ian Lance Taylor  <iant@google.com>
9581
9582         * configure.ac: Check for declarations for cases where libiberty.h
9583         checks HAVE_DECL_xxx.
9584         * configure, config.in: Rebuild.
9585
9586 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9587
9588         * gold.h (Incremental_argument_list): Remove (invalid) forward
9589         declaration.
9590         * incremental.cc (Incremental_inputs::report_achive): New method.
9591         (Incremental_inputs::report_object): New method.
9592         (Incremental_inputs::report_script): New method.
9593         (Incremental_inputs::finalize_inputs): New method.
9594         (Incremental_inputs::finalize): Call finalize_inputs().
9595         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9596         Create inputs entries.
9597         * incremental.h (Incremental_input_type): New enum.
9598         (Incremental_inputs::Incremental_input): Initialize new fields.
9599         (Incremental_inputs::report_inputs): New method.
9600         (Incremental_inputs::report_achive): New method.
9601         (Incremental_inputs::report_object): New method.
9602         (Incremental_inputs::report_script): New method.
9603         (Incremental_inputs::finalize_inputs): New method.
9604         (Incremental_inputs::Input_info): New struct.
9605         (Incremental_inputs::Input_info_map): New typedef.
9606         (Incremental_inputs::lock_): New field.
9607         (Incremental_inputs::Inputs_): New field.
9608         (Incremental_inputs::Inputs_map): New field.
9609         * main.cc (main): Call Incremental_input::report_inputs.
9610         * options.h (Input_argument_list): Typedef moved from
9611         Input_arguments.
9612         (Input_file_group::Files): Remove, use ::Input_argument_list.
9613         (Input_file_group::Input_argument_list): Remove, use
9614         ::Input_argument_list.
9615         * plugin.cc (Plugin_manager::add_input_file): Add error in
9616         incremental build.
9617         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9618         functions.
9619         * script.cc (read_input_script): Call
9620         Incremental_input::report_script.
9621         * script.h (Script_info): New class.
9622
9623 2009-04-27  Ian Lance Taylor  <iant@google.com>
9624
9625         * x86_64.cc (do_adjust_output_section): Set entsize to
9626         plt_entry_size.
9627
9628 2009-04-23  Elliott Hughes  <enh@google.com>
9629
9630         * output.cc (Output_file::close): After short writes, continue
9631         writing from the correct offset in the buffer being written.
9632
9633 2009-04-23  Chris Demetriou  <cgd@google.com>
9634
9635         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9636         * configure: Regenerate.
9637         * config.in: Regenerate.
9638         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9639         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9640
9641 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9642
9643         * incremental.cc (Incremental_inputs_header_data): Renamed from
9644         Incremental_input_header_data.
9645         (Incremental_inputs_header_data::data_size): New field.
9646         (Incremental_inputs_header_data::put_input_file_count): Renamed
9647         from input_file_count.
9648         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9649         from command_line_offset.
9650         (Incremental_inputs_header_data::put_reserved): Renamed from
9651         put_reserved.
9652         (Incremental_inputs_entry_data): Renamed from
9653         Incremental_input_entry_data.
9654         (Incremental_inputs_entry_data::data_size): New field.
9655         (Incremental_inputs::report_command_line): New method.
9656         (Incremental_inputs::finalize): New method.
9657         (Incremental_inputs::create_incremental_inputs_data): New method.
9658         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9659         * incremental.h: New file.
9660         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9661        (Layout::finalize): Create incremental inputs section in
9662         incremental builds.
9663        (Layout::create_incremental_info_sections): New method.
9664         * layout.h (Layout::incremental_inputs): New method.
9665        (Layout::create_incremental_info_sections): New method.
9666        (Layout::incremental_inputs_): New field.
9667         * main.cc (main): Notify Incremental_input of the command line.
9668
9669 2009-04-01  Ian Lance Taylor  <iant@google.com>
9670             Mikolaj Zalewski  <mikolajz@google.com>
9671
9672         * gold.h (reserve_unordered_map): Define, three versions, one for
9673         each version of Unordered_map.
9674         * layout.cc (Layout::Layout): Remove options parameter.  Add
9675         number_of_input_files parameter.  Don't initialize options_.
9676         Initialize number_of_input_files_ and resized_signatures_.  Move
9677         sections_are_attached_.
9678         (Layout::layout_group): Reserve space for group_signatures_.
9679         (Layout::find_or_add_kept_section): Change name parameter to be a
9680         reference.  Resize signatures_ map when it gets large enough.
9681         (Layout::layout_eh_frame): Use parameters->options() instead of
9682         this->options_.
9683         (Layout::make_output_section): Likewise.
9684         (Layout::attach_allocated_section_to_segment): Likewise.
9685         (Layout::finalize, Layout::create_executable_stack): Likewise.
9686         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9687         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9688         * layout.h (class Layout): Update declarations.  Remove options_
9689         field.  Add number_of_input_files_ and resized_signatures_
9690         fields.  Move sections_are_attached_ field.
9691         * main.cc (main): Pass number of input files to Layout
9692         constructor.  Don't pass options.
9693
9694 2009-03-30  Ian Lance Taylor  <iant@google.com>
9695
9696         * ffsll.c (ffsll): Correct implementation.
9697
9698 2009-03-27  Ian Lance Taylor  <iant@google.com>
9699
9700         * ffsll.c: New file.
9701         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9702         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9703         * ftruncate.c (ftruncate): Declare before definition.
9704         * mremap.c (mremap): Likewise.
9705         * pread.c (pread): Likewise.
9706         * configure, Makefile.in, config.in: Rebuild.
9707
9708         * mremap.c: New file.
9709         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9710         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9711         (mremap): Declare if HAVE_MREMAP is not defined.
9712         * configure, Makefile.in, config.in: Rebuild.
9713
9714 2009-03-27  Cary Coutant  <ccoutant@google.com>
9715
9716         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9717         position independent.
9718         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9719         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9720
9721 2009-03-24  Cary Coutant  <ccoutant@google.com>
9722
9723         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9724         an executable.
9725         (needs_dynamic_reloc): Likewise.
9726
9727 2009-03-24  Ian Lance Taylor  <iant@google.com>
9728
9729         * yyscript.y (file_cmd): Recognize EXTERN.
9730         (extern_name_list, extern_name_list_body): New nonterminals.
9731         * script.cc (script_add_extern): Define.
9732         * script-c.h (script_add_extern): Declare.
9733
9734 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9735
9736         * object.cc (is_elf_object): Define.
9737         * object.h (is_elf_object): Declare.
9738         * archive.cc (Archive::get_elf_object_for_member): Call
9739         is_elf_object.
9740         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9741
9742 2009-03-24  Elliott Hughes  <enh@google.com>
9743
9744         * output.cc (Output_file::map_anonymous): Define.
9745         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9746         try an anonymous one.  Report the size if the mmap fails.
9747         * output.h (class Output_file): Declare map_anonymous.
9748
9749 2009-03-24  Ian Lance Taylor  <iant@google.com>
9750
9751         * target-select.cc (instantiate_target): Don't acquire the lock if
9752         the instantiated_target_ field has already been set.
9753
9754 2009-03-23  Ian Lance Taylor  <iant@google.com>
9755
9756         * gold-threads.h (class Initialize_lock): Define.
9757         * gold-threads.cc (class Initialize_lock_once): Define.
9758         (initialize_lock_control): New static variable.
9759         (initialize_lock_pointer): New static variable.
9760         (initialize_lock_once): New static function.
9761         (Initialize_lock::Initialize_lock): Define.
9762         (Initialize_lock::initialize): Define.
9763         * target-select.h: Include "gold-threads.h".
9764         (class Target_selector): Add lock_ and initialize_lock_ fields.
9765         Don't define instantiate_target, just declare it.
9766         * target-select.cc (Target_selector::Target_selector): Initialize
9767         new fields.
9768         (Target_selector::instantiate_target): Define.
9769         * descriptors.h: Include "gold-threads.h".
9770         (class Descriptors): Add initialize_lock_ field.
9771         * descriptors.cc (Descriptors::Descriptors): Initialize new
9772         field.
9773         (Descriptors::open): Use initialize_lock_ field
9774         * errors.h (class Errors): Add initialize_lock_ field.
9775         * errors.cc (Errors::Errors): Initialize new field.
9776         (Errors::initialize_lock): Use initialize_lock_ field.
9777         * powerpc.cc (class Target_selector_powerpc): Remove
9778         instantiated_target_ field.  In do_recognize call
9779         instantiate_target rather than do_instantiate_target.  In
9780         do_instantiate_target just allocate a new target.
9781         * sparc.cc (class Target_selector_sparc): Likewise.
9782
9783         * freebsd.h: New file.
9784         * i386.cc: Include "freebsd.h".
9785         (Target_i386): Derive from Target_freebsd rather than
9786         Sized_target.
9787         (Target_selector_i386): Derive from Target_selector_freebsd rather
9788         than Target_selector.
9789         * x86_64.cc: Include "freebsd.h".
9790         (Target_x86_64): Derive from Target_freebsd rather than
9791         Sized_target.
9792         (Target_selector_x86_64): Derive from Target_selector_freebsd
9793         rather than Target_selector.
9794         * target.h (class Target): Add adjust_elf_header and
9795         do_adjust_elf_header.
9796         * output.cc (Output_file_header:: do_sized_write): Call target
9797         adjust_elf_header routine.
9798         * configure.tgt: Set targ_osabi.
9799         * configure.ac: Define GOLD_DEFAULT_OSABI.
9800         * parameters.cc (Parameters::default_target): Pass
9801         GOLD_DEFAULT_OSABI to select_target.
9802         * target-select.h (class Target_selector): Make instantiate_target
9803         protected rather than private.
9804         * Makefile.am (HFILES): Add freebsd.h.
9805         * configure, Makefile.in, config.in: Rebuild.
9806
9807         * merge.cc (do_add_input_section): Correct pend value.  Change
9808         message about last entry not being null terminated from error to
9809         warning.
9810
9811 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9812
9813         * incremental.cc: New file.
9814         * Makefile.am (CCFILES): Add incremental.cc.
9815         * Makefile.in: Rebuild.
9816
9817 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9818
9819         * layout.cc (Layout::output_section_name): Preserve names
9820         of '.note.' sections.
9821
9822 2009-03-19  Ian Lance Taylor  <iant@google.com>
9823
9824         * descriptors.cc (Descriptors::open): Check that the options are
9825         valid before using them.
9826
9827 2009-03-18  Ian Lance Taylor  <iant@google.com>
9828
9829         * script-sections.h: Include <list>.
9830         (class Script_sections): Change Sections_elements from std::vector
9831         to std::list.  Typedef public Elements_iterator.  Add
9832         orphan_section_placement_, data_segment_align_start_, and
9833         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9834         field.
9835         * script-sections.cc (class Orphan_section_placement): New class.
9836         (class Sections_element): Add virtual functions is_relro and
9837         orphan_section_init.  Remove virtual function place_orphan_here.
9838         (class Output_section_definition): Add is_relro and
9839         orphan_section_init.  Remove place_orphan_here.
9840         (class Orphan_output_section): Likewise.
9841         (Script_sections::Script_sections): Update for field changes.
9842         (Script_sections::data_segment_align): Set saw_data_segment_align_
9843         and data_segment_align_start_, not data_segment_align_index.
9844         (Script_sections::data_segment_relro_end): Check
9845         saw_data_segment_align_.  Use data_segment_align_start_ rather
9846         than data_segment_align_index_.
9847         (Script_sections::place_orphan): Rewrite to use
9848         Orphan_section_placement.
9849
9850 2009-03-17  Ian Lance Taylor  <iant@google.com>
9851
9852         * archive.cc (Archive::add_symbols): Check for a version attached
9853         to the symbol name in the archive map.
9854         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9855         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9856         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9857         (ver_test_11.a): New target.
9858         * testsuite/Makefile.in: Rebuild.
9859
9860         * configure.ac: Check for chsize and posix_fallocate.  Replace
9861         ftruncate.
9862         * ftruncate.c: New file, from gnulib.
9863         * output.cc (posix_fallocate): Define dummy version if not
9864         HAVE_POSIX_FALLOCATE.
9865         (Output_file::map): Call posix_fallocate rather than lseek and
9866         write.
9867         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9868         * configure, Makefile.in, config.in: Rebuild.
9869
9870 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9871
9872         * layout.h (Layout::create_note): Add section_name parameter.
9873         * layout.cc (Layout::create_note): Likewise.
9874         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9875
9876 2009-03-17  Ian Lance Taylor  <iant@google.com>
9877
9878         * descriptors.cc: Include "options.h".
9879         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9880         (Descriptors::open): Always use O_CLOEXEC when opening a new
9881         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9882         then set FD_CLOEXEC.
9883
9884         * sparc.cc (class Target_sparc): Add has_got_section.
9885         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9886         make sure we have a GOT section.
9887
9888         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9889         (Target_sparc::Scan::local): Likewise.
9890         (Target_sparc::Scan::global): Likewise.
9891         (Target_sparc::Relocate::relocate): Likewise.
9892         (Target_sparc::Relocate::relocate_tls): Likewise.
9893
9894         * symtab.cc (Symbol_table::define_default_version): New function,
9895         broken out of add_from_object.
9896         (Symbol_table::add_from_object): Call define_default_version.
9897         (Symbol_table::define_special_symbol): Add resolve_oldsym
9898         parameter.  Change all callers.  If the version for a symbol comes
9899         from a version script, resolve it with the symbol with the same
9900         name with no version.  Also add the symbol without a version if
9901         appropriate.
9902         (do_define_in_output_data): If resolving with oldsym, don't delete
9903         sym.
9904         (do_define_in_output_segment): Likewise.
9905         (do_define_as_constant): Likewise.
9906         * symtab.h (class Symbol_table): Update declarations.
9907
9908 2009-03-13  Ian Lance Taylor  <iant@google.com>
9909
9910         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9911         (Read_symbols::requeue): New function.
9912         (Read_symbols::do_read_symbols): If make_elf_object fails because
9913         the target type is not configured, and the file was searched for,
9914         issue a warning and retry with the next directory.
9915         (Add_symbols::run): If the file has an incompatible format, and
9916         it was searched for, requeue the Read_symbols task.  On error,
9917         release the object.
9918         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9919         dirindex parameter to constructor.  Change all callers.  Declare
9920         incompatible_warning and requeue.
9921         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9922         input_argument_ and input_group_ fields.  Add them to
9923         constructor.  Change all callers.
9924         (class Read_script): Add dirindex_ field.  Add it to constructor.
9925         Change all callers.
9926         * archive.cc (Archive::setup): Remove input_objects parameter.
9927         Change all callers.
9928         (Archive::get_file_and_offset): Likewise.
9929         (Archive::read_all_symbols): Likewise.
9930         (Archive::read_symbols): Likewise.
9931         (Archive::get_elf_object_for_member): Remove input_objects
9932         parameter.  Add punconfigured parameter.  Change all callers.
9933         (Archive::add_symbols): Change return type to bool.  Check return
9934         value of include_member.
9935         (Archive::include_all_members): Likewise.
9936         (Archive::include_member): Change return type to bool.  Return
9937         false if first included object has incompatible target.  Set
9938         included_member_ field.
9939         (Add_archive_symbols::run): If add_symbols returns false, requeue
9940         Read_symbols task.
9941         * archive.h (class Archive): Add included_member_ field.
9942         Initialize it in constructor.  Add input_file and searched_for
9943         methods.  Update declarations.
9944         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9945         input_argument_ fields.  Add them to constructor.  Change all
9946         callers.
9947         * script.cc: Include "target-select.h".
9948         (class Parser_closure): Add skip_on_incompatible_target_ and
9949         found_incompatible_target_ fields.  Add
9950         skip_on_incompatible_target parameter to constructor.  Change all
9951         callers.  Add methods skip_on_incompatible_target,
9952         clear_skip_on_incompatible_target, found_incompatible_target, and
9953         set_found_incompatible_target.
9954         (read_input_script): Add dirindex parameter.  Change all callers.
9955         If parser finds an incompatible target, requeue Read_symbols
9956         task.
9957         (script_set_symbol): Clear skip_on_incompatible_target in
9958         closure.
9959         (script_add_assertion, script_parse_option): Likewise.
9960         (script_start_sections, script_add_phdr): Likewise.
9961         (script_check_output_format): New function.
9962         * script.h (read_input_script): Update declaration.
9963         * script-c.h (script_check_output_format): Declare.
9964         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9965         (ignore_cmd): Remove OUTPUT_FORMAT.
9966         * fileread.cc (Input_file::Input_file): Add explicit this.
9967         (Input_file::will_search_for): New function.
9968         (Input_file::open): Add pindex parameter.  Change all callers.
9969         * fileread.h (class Input_file): Add input_file_argument method.
9970         Declare will_search_for.  Update declarations.
9971         * object.cc (make_elf_object): Add punconfigured parameter.
9972         Change all callers.
9973         * object.h (class Object): Make input_file public.  Add
9974         searched_for method.
9975         (make_elf_object): Update declaration.
9976         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9977         restart search.
9978         * dirsearch.h (class Dirsearch): Update declaration.
9979         * options.h (class General_options): Add --warn-search-mismatch.
9980         * parameters.cc (Parameters::is_compatible_target): New function.
9981         * parameters.h (class Parameters): Declare is_compatible_target.
9982         * workqueue.cc (Workqueue::add_blocker): New function.
9983         * workqueue.h (class Workqueue): Declare add_blocker.
9984
9985         * fileread.cc (Input_file::open): Remove options parameter.
9986         Change all callers.
9987         (Input_file::open_binary): Likewise.
9988         * script.cc (read_input_script): Likewise.
9989         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9990         options parameter from constructor.  Change all callers.
9991         (class Read_script): Likewise.
9992         * fileread.h (class Input_file): Update declarations.
9993         * script.h (read_input_script): Update declaration.
9994
9995 2009-03-10  Nick Clifton  <nickc@redhat.com>
9996
9997         * po/es.po: New Spanish translation.
9998
9999 2009-03-06  Cary Coutant  <ccoutant@google.com>
10000
10001         * options.cc (parse_short_option): Keep dash_z from registering itself.
10002
10003 2009-03-03  Ian Lance Taylor  <iant@google.com>
10004
10005         PR 9918
10006         * target-reloc.h (relocate_section): Pass output_section to
10007         relocate.
10008         * i386.cc (Target_i386::should_apply_static_reloc): Add
10009         output_section parameter.  Change all callers.
10010         (Target_i386::Relocate::relocate): Add output_section parameter.
10011         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10012         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
10013         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
10014         * testsuite/two_file_shared.sh: New script.
10015         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
10016         (check_DATA): Add two_file_shared.dbg.
10017         (two_file_shared.dbg): New target.
10018         * testsuite/Makefile.in: Rebuild.
10019
10020 2009-03-01  Ian Lance Taylor  <iant@google.com>
10021
10022         * configure.ac: Check for byteswap.h.
10023         * configure: Rebuild.
10024         * config.in: Rebuild.
10025
10026 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
10027
10028         * layout.cc (Layout::find_or_add_kept_section): New function.
10029         (Layout::add_comdat): Removed.
10030         * layout.h (struct Kept_section): Move out of class Layout.
10031         Remove trailing underscores from field names.  Add group_sections
10032         field.  Rename group_ field to is_group.  Change all uses.
10033         (class Layout): Declare find_or_add_kept_section, not add_comdat.
10034         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
10035         comdat_groups_ field.
10036         (Sized_relobj::include_section_group): Use
10037         find_or_add_kept_section and Kept_section::group_sections.
10038         (Sized_relobj::include_linkonce_section): Likewise.
10039         * object.cc (class Sized_relobj): Don't define Comdat_group or
10040         Comdat_group_table.  Remove find_comdat_group and
10041         add_comdat_group.  Remove comdat_groups_ field.
10042         * plugin.cc (include_comdat_group): Use
10043         Layout::find_or_add_kept_section.
10044
10045 2009-02-28  Ian Lance Taylor  <iant@google.com>
10046
10047         * README: --gc-sections and map files are now supported.  Document
10048         some build requirements.
10049
10050         PR 6992
10051         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
10052         relocatable link set the value of the section symbol to zero.
10053         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
10054         relocatable link don't include the section address in the local
10055         symbol value.
10056
10057 2009-02-27  Ian Lance Taylor  <iant@google.com>
10058
10059         PR 6811
10060         * options.h (class Search_directory): Add is_system_directory.
10061         (class General_options): Declare is_in_system_directory.
10062         * options.cc (get_relative_sysroot): Make static.
10063         (get_default_sysroot): Make static.
10064         (General_optoins::is_in_system_directory): New function.
10065         * fileread.cc (Input_file::is_in_system_directory): New function.
10066         * fileread.h (class Input_file): Declare is_in_system_directory.
10067         * object.h (class Object): Add is_in_system_directory.
10068         (class Input_objects): Remove system_library_directory_ field.
10069         * object.cc (Input_objects::add_object): Don't set
10070         system_library_directory_.
10071         (input_objects::found_in_system_library_directory): Remove.
10072         * symtab.cc (Symbol_table::write_globals): Remove input_objects
10073         parameter.  Change all callers.
10074         (Symbol_table::sized_write_globals): Likewise.
10075         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
10076         Call Object::is_in_system_directory.
10077         * symtab.h (class Symbol_table): Update declarations.
10078
10079         PR 5990
10080         * descriptors.h (Open_descriptor): Add is_on_stack field.
10081         * descriptors.cc (Descriptors::open): If the descriptor is on the
10082         top of the stack, remove it.  Initialize is_on_stack field.
10083         (Descriptors::release): Only add pod to stack if it is not on the
10084         stack already.
10085         (Descriptors::close_some_descriptor): Clear stack_next and
10086         is_on_stack fields.
10087
10088         PR 7091
10089         * output.cc (Output_section::find_starting_output_address): Rename
10090         from starting_output_address; add PADDR parameter; change return
10091         type.
10092         * output.h (class Output_section): Declare
10093         find_starting_output_address instead of starting_output_address.
10094         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
10095         section symbol for which we can't find a merge section.
10096
10097         PR 9836
10098         * symtab.cc (Symbol_table::add_from_object): If the visibility is
10099         hidden or internal, force the symbol to be local.
10100         * resolve.cc (Symbol::override_visibility): Define.
10101         (Symbol::override_base): Use override_visibility.
10102         (Symbol_table::resolve): Likewise.
10103         (Symbol::override_base_with_special): Likewise.
10104         (Symbol_table::override_with_special): If the visibility is hidden
10105         or internal, force the symbol to be local.
10106         * symtab.h (class Symbol): Add set_visibility and
10107         override_visibility.
10108         * testsuite/ver_test_1.sh: New file.
10109         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
10110         (check_DATA): Add ver_test_1.syms.
10111         (ver_test_1.syms): New target.
10112         * testsuite/Makefile.in: Rebuild.
10113
10114 2009-02-25  Cary Coutant  <ccoutant@google.com>
10115
10116         * layout.cc (Layout::choose_output_section): Don't rename sections
10117         when using a linker script that has a SECTIONS clause.
10118         * Makefile.in: Regenerate.
10119
10120         * testsuite/Makefile.am (script_test_5.sh): New test case.
10121         * testsuite/Makefile.in: Regenerate.
10122         * testsuite/script_test_5.cc: New file.
10123         * testsuite/script_test_5.sh: New file.
10124         * testsuite/script_test_5.t: New file.
10125
10126 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
10127
10128         * archive.cc (Archive::include_member): Update calls to add_symbols.
10129         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
10130         the Layout argument.
10131         * dynobj.h (do_add_symbols): Add the Layout argument.
10132         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
10133         Layout argument.
10134         * object.h (Object::add_symbols): Add the Layout argument.
10135         (Object::do_add_symbols): Add the Layout argument.
10136         (Sized_relobj::do_add_symbols): Add the Layout argument.
10137         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
10138         Unify the two versions.
10139         (Add_plugin_symbols): Remove.
10140         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
10141         (Sized_pluginobj::do_add_symbols): Unify the two versions.
10142         (Add_plugin_symbols): Remove.
10143         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
10144         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
10145         (Add_symbols::run): Make it work with Pulginobj.
10146
10147 2009-02-06  Ian Lance Taylor  <iant@google.com>
10148
10149         * object.cc (Sized_relobj::do_layout): Make info message start
10150         with lower case letter.
10151
10152 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
10153
10154         * binary.cc: Fix file comment.
10155
10156         * options.h (enum Incremental_disposition): Define.
10157         (class General_options): Add new options: --incremental,
10158         --incremental_changed, --incremental_unchanged,
10159         --incremental_unknown.  Add incremental_disposition_ and
10160         implicit_incremental_ fields.
10161         (General_options::incremental_disposition): New function.
10162         (class Position_dependent_options): Add incremental_disposition
10163         option.
10164         (Position_dependent_options::copy_from_options): Set incremental
10165         dispositions.
10166         * options.cc (General_options::parse_incremental_changed): New
10167         function.
10168         (General_options::parse_incremental_unchanged): New function.
10169         (General_options::parse_incremental_unknown): New function.
10170         (General_options::General_options): Initialize new fields
10171         incremental_disposition_ and implicit_incremental_.
10172         (General_options::finalize): Check for uasge of --incremental-*
10173         without --incremental.
10174
10175 2009-02-06  Chris Demetriou  <cgd@google.com>
10176
10177         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10178         pointer and to report location as the file name associated with
10179         the symbol.
10180         (gold_undefined_symbol_at_location): New function to replace the
10181         old gold_undefined_symbol functionality.
10182         * target-reloc.h (relocate_section): Update to use
10183         gold_undefined_symbol_at_location.
10184         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10185         Call gold_undefined_symbol function rather than gold_error.
10186         * errors.h (Errors::undefined_symbol): Take location as a
10187         string, rather than calculating it from a relocation.
10188         * errors.cc (Errors::fatal): Print "fatal error:" before the
10189         formatted message.
10190         (Errors::error, Errors::error_at_location): Print "error: "
10191         before the formatted message.
10192         (Errors::undefined_symbol): Take location as a string, rather
10193         than calculating it from a relocation.
10194         (gold_undefined_symbol_at_location): New function akin to
10195         old gold_undefined_symbol, calculates location from relocation.
10196         (gold_undefined_symbol): Change to take only a Symbol pointer
10197         and to report location as the file name associated with the symbol.
10198         * testsuite/debug_msg.sh: Update for changed error messages.
10199         * testsuite/undef_symbol.sh: Likewise.
10200
10201 2009-02-04  Duncan Sands  <baldrick@free.fr>
10202
10203         PR 9812
10204         * reduced_debug_output.h
10205         (Output_reduced_debug_abbrev_section::failed): Use format for
10206         gold_warning.
10207         (Output_reduced_debug_info_section::faild): Likewise.
10208
10209 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10210
10211         * script.cc (Lazy_demangler): New class.
10212         (Version_script_info::get_symbol_version_helper): Demangle a
10213         symbol only once.
10214
10215 2009-01-29  Cary Coutant  <ccoutant@google.com>
10216
10217         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10218         to __tls_get_addr.
10219         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10220
10221 2009-01-28  Ian Lance Taylor  <iant@google.com>
10222
10223         * version.cc (version_string): Bump to 1.9.
10224
10225         * gold.h: Include <cstring> and <stdint.h>.
10226         * version.cc: Include <cstdio>.
10227         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10228         warning.
10229         * reduced_debug_output.cc (insert_into_vector): Rename from
10230         Insert_into_vector; change all callers.  Use Swap_unaligned to
10231         avoid aliasing issue; remove union since it is unnecessary.
10232
10233 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10234
10235         * Makefile.am (CCFILES): Add gc.cc.
10236         (HFILES): Add gc.h.
10237         * Makefile.in: Regenerate.
10238         * gold.cc (Gc_runner): New class.
10239         (queue_initial_tasks): Call garbage collection related tasks
10240         when corresponding options are invoked.
10241         (queue_middle_gc_tasks): New function.
10242         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10243         processed early before laying out sections during garbage collection.
10244         * gold.h (queue_middle_gc_tasks): New function.
10245         (is_prefix_of): Move from "layout.cc".
10246         * i386.cc (Target_i386::gc_process_relocs): New function.
10247         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10248         * main.cc (main): Create object of class "Garbage_collection".
10249         * object.cc (Relobj::copy_symbols_data): New function.
10250         (Relobj::is_section_name_included): New function.
10251         (Sized_relobj::do_layout): Allow this function to be called twice
10252         during garbage collection and defer layout of section during the
10253         first call.
10254         * object.h (Relobj::get_symbols_data): New function.
10255         (Relobj::is_section_name_included): New function.
10256         (Relobj::copy_symbols_data): New function.
10257         (Relobj::set_symbols_data): New function.
10258         (Relobj::get_relocs_data): New function.
10259         (Relobj::set_relocs_data): New function.
10260         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10261         (Relobj::gc_process_relocs): New function.
10262         (Relobj::do_gc_process_relocs): New pure virtual function.
10263         (Relobj::sd_): New data member.
10264         (Sized_relobj::is_output_section_offset_invalid): New function.
10265         (Sized_relobj::do_gc_process_relocs): New function.
10266         * options.h (General_options::gc_sections): Modify to not be a no-op.
10267         (General_options::print_gc_sections): New option.
10268         * plugin.cc (Plugin_finish::run): Remove function call to
10269         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10270         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10271         * reloc.cc (Read_relocs::run): Add task to process relocs and
10272         determine unreferenced sections when doing garbage collection.
10273         (Gc_process_relocs): New class.
10274         (Sized_relobj::do_gc_process_relocs): New function.
10275         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10276         sections that are garbage collected.
10277         * reloc.h (Gc_process_relocs): New class.
10278         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10279         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10280         symbols whose corresponding sections are garbage collected.
10281         (Symbol_table::Symbol_table): Add new parameter for the garbage
10282         collection object.
10283         (Symbol_table::gc_mark_undef_symbols): New function.
10284         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10285         (Symbol_table::gc_mark_dyn_syms): New function.
10286         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10287         as garbage.
10288         (Symbol_table::add_from_object): Likewise.
10289         (Symbol_table::add_from_relobj): When building shared objects, do not
10290         treat externally visible symbols as garbage.
10291         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10292         table information for static and relocatable links.
10293         * symtab.h (Symbol_table::set_gc): New function.
10294         (Symbol_table::gc): New function.
10295         (Symbol_table::gc_mark_undef_symbols): New function.
10296         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10297         (Symbol_table::gc_mark_dyn_syms): New function.
10298         (Symbol_table::gc_): New data member.
10299         * target.h (Sized_target::gc_process_relocs): New pure virtual
10300         function.
10301         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10302         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10303
10304 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10305
10306         * options.h (General_options::gc_sections): Define as a no-op for now.
10307         (General_options::no_keep_memory): Ditto.
10308         (General_options::Bshareable): Define.
10309         * options.cc (General_options::finalize): Honor -Bshareable.
10310
10311 2009-01-20  Andreas Schwab  <schwab@suse.de>
10312
10313         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10314         read the value in the contents, since we don't use it.  Use the
10315         template endianness when writing.
10316         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10317
10318 2009-01-19  Andreas Schwab  <schwab@suse.de>
10319
10320         * configure.tgt (powerpc64-*): Fix targ_obj.
10321
10322 2009-01-15  Ian Lance Taylor  <iant@google.com>
10323
10324         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10325         local symbols when stripping all symbols.
10326
10327 2009-01-14  Cary Coutant  <ccoutant@google.com>
10328
10329         * output.cc (Output_reloc): Add explicit instantiations.
10330
10331 2009-01-14  Cary Coutant  <ccoutant@google.com>
10332
10333         * archive.cc (Archive::get_elf_object_for_member): Remove call
10334         to File_read::claim_for_plugin.
10335         * descriptors.cc (Descriptors::open): Remove reference to
10336         is_claimed.
10337         (Descriptors::claim_for_plugin): Remove.
10338         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10339         (Descriptors::is_claimed): Remove.
10340         (claim_descriptor_for_plugin): Remove.
10341         * fileread.cc (File_read::claim_for_plugin): Remove.
10342         * fileread.h (File_read::claim_for_plugin): Remove.
10343         (File_read::descriptor): Reopen descriptor if necessary.
10344         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10345         (Plugin_manager::all_symbols_read): Add task parameter. Change
10346         all callers.
10347         (Plugin_manager::get_input_file): New function.
10348         (Plugin_manager::release_input_file): New function.
10349         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10350         corresponding data member.
10351         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10352         and pass to base constructor. Change all callers.
10353         (get_input_file, release_input_file): New functions.
10354         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10355         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10356         (Plugin_manager::all_symbols_read): Add task parameter.
10357         (Plugin_manager::get_input_file): New function.
10358         (Plugin_manager::release_input_file): New function.
10359         (Plugin_manager::task_): New data member.
10360         (Pluginobj::Pluginobj): Add filesize parameter.
10361         (Pluginobj::filename): New function.
10362         (Pluginobj::descriptor): New function.
10363         (Pluginobj::filesize): New function.
10364         (Pluginobj::filesize_): New data member.
10365         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10366         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10367         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10368
10369         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10370         with archive libraries.
10371         * testsuite/Makefile.in: Regenerate.
10372         * testsuite/plugin_test.c (struct sym_info): New type.
10373         (get_input_file, release_input_file): New static variables.
10374         (onload): Capture new transfer vector entries.
10375         (claim_file_hook): Stop reading at end of file according to filesize.
10376         Factor out parsing of readelf output into separate function.
10377         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10378         APIs and get the source file name from the symbol table.  Convert
10379         source file name to corresponding object file name.  Print info
10380         message when adding new input files.
10381         (parse_readelf_line): New function.
10382         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10383         * testsuite/plugin_test_2.sh: Likewise.
10384         * testsuite/plugin_test_3.sh: Likewise.
10385         * testsuite/plugin_test_4.sh: New test case.
10386
10387 2009-01-07  Ian Lance Taylor  <iant@google.com>
10388
10389         * version.cc (version_string): Bump to 1.8.
10390
10391 2008-12-23  Cary Coutant  <ccoutant@google.com>
10392
10393         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10394         * plugin.cc (Plugin_manager::finish): Rename as
10395         layout_deferred_objects.  Move cleanup to separate function.
10396         (Plugin_manager::cleanup): New function.
10397         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10398         separately.
10399         * plugin.h (Plugin_manager::finish): Rename as
10400         layout_deferred_objects.
10401         (Plugin_manager::cleanup): New function.
10402         (Plugin_manager::cleanup_done): New field.
10403
10404 2008-12-23  Cary Coutant  <ccoutant@google.com>
10405
10406         * plugin.cc (is_visible_from_outside): New function.
10407         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10408         so we don't return "IR only" status for exported symbols or -r links.
10409
10410         * testsuite/Makefile.am (plugin_test_3): New test case.
10411         * testsuite/Makefile.in: Regenerate.
10412         * testsuite/plugin_test_3.sh: New file.
10413
10414 2008-12-22  Cary Coutant  <ccoutant@google.com>
10415
10416         * object.cc (Sized_relobj::layout_section): New function.
10417         (Sized_relobj::do_layout): Defer layout of input sections until after
10418         plugin has provided replacement files.
10419         (Sized_relobj::do_layout_deferred_sections): New function.
10420         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10421         (Relobj::layout_deferred_sections): New function.
10422         (Relobj::do_layout_deferred_sections): New function.
10423         (Sized_relobj::do_layout_deferred_sections): New function.
10424         (Sized_relobj::layout_section): New function.
10425         (Sized_relobj::Deferred_layout): New structure.
10426         (Sized_relobj::deferred_layout_): New field.
10427         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10428         Change all callers.  Layout deferred sections.
10429         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10430         references.
10431         (Plugin_hook::run): Move code from do_plugin_hook inline.
10432         (Plugin_hook::do_plugin_hook): Remove.
10433         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10434         (Plugin_manager::finish): Renamed, was cleanup.
10435         (Plugin_manager::should_defer_layout): New function.
10436         (Plugin_manager::add_deferred_layout_object): New function.
10437         (Plugin_manager::Deferred_layout_list): New type.
10438         (Plugin_manager::deferred_layout_objects_): New field.
10439         (Plugin_hook::do_plugin_hook): Remove.
10440
10441 2008-12-17  Ian Lance Taylor  <iant@google.com>
10442
10443         * options.h (class General_options): Add --no case for
10444         --export-dynamic.
10445
10446 2008-12-16  Cary Coutant  <ccoutant@google.com>
10447
10448         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10449         vector.
10450         (Plugin_manager::claim_file): Create plugin object even if
10451         plugin did not call the add_symbols callback.
10452         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10453         asking for more symbols than were added.
10454         * testsuite/Makefile.am (plugin_test_1): Add test case with
10455         no global symbols.
10456         (empty.syms): New target.
10457         * testsuite/Makefile.in: Regenerate.
10458         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10459         message. Don't call add_symbols if no globals.
10460         (all_symbols_read_hook): Don't provide replacement for empty
10461         claimed file.
10462
10463 2008-12-12  Ian Lance Taylor  <iant@google.com>
10464
10465         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10466         r_type == 0 for a local symbol with r_sym == 0.
10467         (scan_relocatable_relocs): Pass r_sym to
10468         local_non_section_strategy.
10469         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10470         r_sym parameter.
10471
10472         * configure.ac: Update test for TLS descriptors: they are
10473         supported as of glibc 2.9.
10474         * configure: Rebuild.
10475
10476 2008-12-11  Ian Lance Taylor  <iant@google.com>
10477
10478         PR 7091
10479         * target-reloc.h (Default_scan_relocatable_relocs): For each
10480         function, map r_type == 0 to RELOC_DISCARD.
10481
10482 2008-12-10  Cary Coutant  <ccoutant@google.com>
10483
10484         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10485         object to override a kept COMDAT group from a plugin object.
10486
10487 2008-12-09  Ian Lance Taylor  <iant@google.com>
10488
10489         PR 7088
10490         * yyscript.y (file_cmd): Handle INPUT.
10491
10492         * testsuite/initpri1.c: Change all declarations to be full
10493         prototypes by adding void, to avoid compiler warnings.
10494
10495 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10496
10497         * options.cc (General_options::parse_plugin_opt): New.
10498         (General_options::add_plugin): The argument now is just the filename.
10499         (General_options::add_plugin_option): New.
10500         * options.h (plugin_opt): New.
10501         (add_plugin): Change argument name.
10502         (add_plugin_option): New.
10503         * plugin.cc (Plugin::load): Don't parse the plugin option.
10504         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10505         (Plugin::add_option): New.
10506         (Plugin::args_): Change type.
10507         (Plugin::filename_): New.
10508         (Plugin_manager::add_plugin_option): New.
10509         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10510         * testsuite/Makefile.in: Regenerate.
10511
10512 2008-12-05  Cary Coutant  <ccoutant@google.com>
10513
10514         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10515         Handle --strip-lto-sections option.
10516         * options.h (strip_lto_sections): New option.
10517
10518 2008-12-01  Cary Coutant  <ccoutant@google.com>
10519
10520         * plugin.cc (ld_plugin_message): Change format parameter to const.
10521         Fix mismatch between new[] and delete.
10522
10523 2008-11-14  Cary Coutant  <ccoutant@google.com>
10524
10525         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10526         instead of -1U.
10527
10528 2008-11-05  Craig Silverstein  <csilvers@google.com>
10529
10530         * options.cc (General_options::parse_dynamic_list): New function.
10531         * options.h (General_options): New flags dynamic_list,
10532         dynamic_list_data, dynamic_list_cpp_new, and
10533         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10534         (General_options::in_dynamic_list): New function.
10535         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10536         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10537         (Lex::can_continue_name): Likewise.
10538         (yylex): Likewise.
10539         (read_script_file): New parameter script_options.
10540         (read_dynamic_list): New function.
10541         (Script_options::define_dynamic_list): New function.
10542         (dynamic_list_keyword_parsecodes): New variable.
10543         (dynamic_list_keywords): New variable.
10544         * script.h (Script_options::define_dynamic_list): New function
10545         prototype.
10546         (read_dynamic_list): New function prototype.
10547         * symtab.cc (strprefix): New macro.
10548         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10549         dynamic_list_data, dynamic_list_cpp_new, and
10550         dynamic_list_cpp_typeinfo.
10551         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10552         (dynamic_list_expr): New rule.
10553         (dynamic_list_nodes): Likewise.
10554         (dynamic_list_node): Likewise.
10555         * testsuite/Makefile.am (dynamic_list): New test.
10556         * testsuite/Makefile.in: Regenerated.
10557         * testsuite/dynamic_list.t: New file.
10558         * testsuite/dynamic_list.sh: New file.
10559
10560 2008-11-05  Craig Silverstein  <csilvers@google.com>
10561
10562         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10563         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10564         (t11_last): Likewise.
10565         * testsuite/ver_test_6.c (main): Likewise.
10566
10567 2008-10-07  Cary Coutant  <ccoutant@google.com>
10568
10569         * options.c (General_options::finalize): Add check for -static and
10570         -shared.
10571         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10572         is not empty.
10573
10574 2008-10-02  Cary Coutant  <ccoutant@google.com>
10575
10576         * plugin.cc (make_sized_plugin_object): Fix conditional
10577         compilation to work when not all targets are enabled.
10578
10579 2008-09-29  Cary Coutant  <ccoutant@google.com>
10580
10581         * archive.cc (Archive::get_file_and_offset): Use filename instead
10582         of name to get library path.
10583         (Archive::include_member): Unlock external member of a thin archive.
10584
10585         * testsuite/Makefile.am (TEST_AR): New variable.
10586         (thin_archive_test_1): New test.
10587         (thin_archive_test_2): New test.
10588         * testsuite/Makefile.in: Regenerate.
10589         * testsuite/thin_archive_main.cc: New file.
10590         * testsuite/thin_archive_test_1.cc: New file.
10591         * testsuite/thin_archive_test_2.cc: New file.
10592         * testsuite/thin_archive_test_3.cc: New file.
10593         * testsuite/thin_archive_test_4.cc: New file.
10594
10595 2008-09-29  Cary Coutant  <ccoutant@google.com>
10596
10597         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10598         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10599         instead of -1U.
10600         (Sized_relobj::do_finalize_local_symbols): Likewise.
10601         (Sized_relobj::map_to_kept_section): Likewise.
10602         * object.h (Sized_relobj::invalid_address): New constant.
10603         (Sized_relobj::do_output_section_offset): Check for invalid_address
10604         and return -1ULL.
10605         * output.cc (Output_reloc::local_section_offset): Use constant
10606         invalid_address instead of -1U.
10607         (Output_reloc::get_address): Likewise.
10608         (Output_section::output_address): Change -1U to -1ULL.
10609         * output.h (Output_reloc::invalid_address): New constant.
10610         * reloc.cc (Sized_relobj::write_sections): Use constant
10611         invalid_address instead of -1U.
10612         (Sized_relobj::relocate_sections): Likewise.
10613         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10614         values for merge sections.
10615         * target-reloc.h (relocate_for_relocatable): Use constant
10616         invalid_address instead of -1U.
10617
10618 2008-09-19  Cary Coutant  <ccoutant@google.com>
10619
10620         Add plugin functionality for link-time optimization (LTO).
10621         * configure.ac (plugins): Add --enable-plugins option.
10622         * configure: Regenerate.
10623         * config.in: Regenerate.
10624         * Makefile.am (LIBDL): New variable.
10625         (CCFILES): Add plugin.cc.
10626         (HFILES): Add plugin.h.
10627         (ldadd_var): Add LIBDL.
10628         * Makefile.in: Regenerate.
10629
10630         * archive.cc: Include "plugin.h".
10631         (Archive::setup): Don't preread archive symbols when using a plugin.
10632         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10633         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10634         files.
10635         (Archive::include_member): Add symbols from plugin objects.
10636         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10637         * descriptors.cc (Descriptors::open): Check for file descriptors
10638         abandoned by plugins.
10639         (Descriptors::claim_for_plugin): New function.
10640         * descriptors.h (Descriptors::claim_for_plugin): New function.
10641         (Open_descriptor::is_claimed): New field.
10642         (claim_descriptor_for_plugin): New function.
10643         * fileread.cc (File_read::claim_for_plugin): New function.
10644         * fileread.h (File_read::claim_for_plugin): New function.
10645         (File_read::descriptor): New function.
10646         * gold.cc: Include "plugin.h".
10647         (queue_initial_tasks): Add task to call plugin hooks for generating
10648         new object files.
10649         * main.cc: Include "plugin.h".
10650         (main): Load plugin libraries.
10651         * object.h (Pluginobj): Declare.
10652         (Object::pluginobj): New function.
10653         (Object::do_pluginobj): New function.
10654         (Object::set_target): New function.
10655         * options.cc: Include "plugin.h".
10656         (General_options::parse_plugin): New function.
10657         (General_options::General_options): Initialize plugins_ field.
10658         (General_options::add_plugin): New function.
10659         * options.h (Plugin_manager): Declare.
10660         (General_options): Add --plugin option.
10661         (General_options::has_plugins): New function.
10662         (General_options::plugins): New function.
10663         (General_options::add_plugin): New function.
10664         (General_options::plugins_): New field.
10665         * plugin.cc: New file.
10666         * plugin.h: New file.
10667         * readsyms.cc: Include "plugin.h".
10668         (Read_symbols::do_read_symbols): Check for archive before checking
10669         for ELF file.  Call plugin hooks to claim files.
10670         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10671         from a real object file; force override when processing replacement
10672         files.
10673         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10674         (Symbol::init_base_object): Likewise.
10675         (Symbol::init_base_output_data): Likewise.
10676         (Symbol::init_base_output_segment): Likewise.
10677         (Symbol::init_base_constant): Likewise.
10678         (Symbol::init_base_undefined): Likewise.
10679         (Symbol::output_section): Assert that object is not a plugin.
10680         (Symbol_table::add_from_pluginobj): New function.
10681         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10682         undefined.
10683         (Symbol_table::sized_write_globals): Likewise.
10684         (Symbol_table::add_from_pluginobj): Instantiate template.
10685         * symtab.h (Sized_pluginobj): Declare.
10686         (Symbol::in_real_elf): New function.
10687         (Symbol::set_in_real_elf): New function.
10688         (Symbol::in_real_elf_): New field.
10689         (Symbol_table::add_from_pluginobj): New function.
10690
10691         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10692         (LIBDL): New variable.
10693         (LDADD): Add LIBDL.
10694         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10695         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10696         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10697         (MOSTLYCLEANFILES): Likewise.
10698         * testsuite/Makefile.in: Regenerate.
10699         * testsuite/plugin_test.c: New file.
10700         * testsuite/plugin_test_1.sh: New file.
10701         * testsuite/plugin_test_2.sh: New file.
10702
10703 2008-09-16  Ian Lance Taylor  <iant@google.com>
10704
10705         * target-reloc.h (relocate_section): Check whether a symbol is
10706         defined by the ABI before reporting an undefined symbol error.
10707         * target.h (Target::is_defined_by_abi): Make parameter const.
10708         (Target::do_is_defined_by_abi): Likewise.
10709         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10710         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10711         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10712         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10713         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10714         * testsuite/Makefile.in: Rebuild.
10715
10716         * fileread.cc (make_view): Add casts to avoid warning.
10717
10718 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10719
10720         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10721         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10722
10723 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10724
10725         * options.h (General_options::output_is_executable): New.
10726         (General_options::output_is_pie): New.
10727         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10728         for shared libraries.
10729         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10730
10731 2008-09-11  Chris Demetriou  <cgd@google.com>
10732
10733         * options.h (origin): New -z option.
10734         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10735         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10736         in DT_FLAGS_1.
10737
10738 2008-09-05  Cary Coutant  <ccoutant@google.com>
10739
10740         * fileread.cc (File_read::make_view): Add check for attempt to map
10741         beyond end of file.
10742
10743 2008-09-05  Cary Coutant  <ccoutant@google.com>
10744
10745         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10746         explicit instantiations.
10747
10748 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10749
10750         PR gold/6858
10751         * options.cc (General_options::finalize): Allow undefined symbols
10752         in shlibs if linking -shared.
10753
10754         PR gold/6859
10755         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10756         symbols as not needing a dynsym entry.
10757
10758 2008-08-20  Craig Silverstein  <csilvers@google.com>
10759
10760         * fileread.cc (File_read::open): Do not lock the file unless it
10761         was successfully opened.
10762
10763 2008-08-14  Cary Coutant  <ccoutant@google.com>
10764
10765         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10766         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10767         * testsuite/tls_test.cc (struct int128): 128-bit struct
10768         for testing TLS relocs with non-zero addend.
10769         (v12): New TLS variable.
10770         (t12): New test.
10771         (t_last): Add check for v12.
10772         * testsuite/tls_test.h (t12): New function.
10773         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10774
10775 2008-08-13  Ian Lance Taylor  <iant@google.com>
10776
10777         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10778         set tls_segment_ or relro_segment_.
10779         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10780         when appropriate.
10781         * output.h (Output_section::clear_is_relro): New function.
10782         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10783         sections specially even when output_data_ is empty.
10784         (Output_segment::maximum_alignment): When first section is relro,
10785         only force alignment for PT_LOAD segments.
10786         * script.cc (script_data_segment_align): New function.
10787         (script_data_segment_relro_end): New function.
10788         * script-c.h (script_data_segment_align): Declare.
10789         (script_data_segment_relro_end): Declare.
10790         * script-sections.h (class Script_sections): Declare
10791         data_segment_align and data_segment_relro_end.  Add fields
10792         segment_align_index_ and saw_relro_end_.
10793         * script-sections.cc (class Sections_element): Add set_is_relro
10794         virtual function.  Add new bool* parameter to place_orphan_here.
10795         Add get_output_section virtual function.
10796         (class Output_section_definition): Add set_is_relro.  Add new
10797         bool* parameter to place_orphan_here.  Add get_output_section.
10798         Add is_relro_ field.
10799         (Output_section_definition::Output_section_definition): Initialize
10800         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10801         and is_relro_ fields.
10802         (Output_section_definition::place_orphan_here): Add is_relro
10803         parameter.
10804         (Output_section_definition::set_section_addresses): Set relro for
10805         output section.
10806         (Output_section_definition::alternate_constraint): Likewise.
10807         (class Orphan_output_section): Add new bool* parameter to
10808         place_orphan_here.  Add get_output_section.
10809         (Orphan_output_section::place_orphan_here): Add is_relro
10810         parameter.
10811         (Script_sections::Script_sections): Initialize
10812         data_segment_align_index_ and saw_relro_end_.
10813         (Script_sections::data_segment_align): New function.
10814         (Script_sections::data_segment_relro_end): New function.
10815         (Script_sections::place_orphan): Set or clear is_relro.
10816         (Script_sections::set_section_addresses): Force alignment of first
10817         TLS section.
10818         * yyscript.y (exp): Call script_data_segment_align and
10819         script_data_segment_relro_end.
10820         * testsuite/relro_script_test.t: New file.
10821         * testsuite/relro_test.cc (using_script): Declare.
10822         (t1, t2): Test using_script.
10823         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10824         (relro_script_test_SOURCES): Define.
10825         (relro_script_test_DEPENDENCIES): Define.
10826         (relro_script_test_LDFLAGS): Define.
10827         (relro_script_test_LDADD): Define.
10828         (relro_script_test.so): New target.
10829         * testsuite/Makefile.in: Rebuild.
10830
10831 2008-08-06  Cary Coutant <ccoutant@google.com>
10832
10833         * archive.cc (Archive::total_archives, Archive::total_members)
10834         (Archive::total_members_loaded): New variables.
10835         (Archive::setup): Add parameter.  Add option to preread
10836         archive symbols.
10837         (Archive::read_armap): Add counter.
10838         (Archive::get_file_and_offset): New function.
10839         (Archive::get_elf_object_for_member): New function.
10840         (Archive::read_all_symbols): New function.
10841         (Archive::read_symbols): New function.
10842         (Archive::add_symbols): Add counters.
10843         (Archive::include_all_members): Use armap to find members if it's
10844         already built.
10845         (Archive::include_member): Skip reading symbols if already read.
10846         Factored code into Archive::get_file_and_offset and
10847         Archive::get_elf_object_for_member.  Changed call to
10848         Mapfile::report_include_archive_member.
10849         (Archive::print_stats): New function.
10850         * archive.h: Declare Object and Read_symbols_data classes.
10851         (Archive::Archive): Add initializers for new members.
10852         (Archive::setup): Add parameter.
10853         (Archive::print_stats): New function.
10854         (Archive::total_archives, Archive::total_members)
10855         (Archive::total_members_loaded): New variables.
10856         (Archive::get_file_and_offset): New function.
10857         (Archive::get_elf_object_for_member): New function.
10858         (Archive::read_all_symbols): New function.
10859         (Archive::read_symbols): New function.
10860         (Archive::Archive_member): New class.
10861         (Archive::members_): New member.
10862         (Archive::num_members_): New member.
10863         * main.cc: Include archive.h.
10864         (main): Call Archive::print_stats.
10865         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10866         archive parameter; member_name is now the fully-decorated name.
10867         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10868         * options.h: (General_options): Add --preread-archive-symbols option.
10869         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10870         Archive::setup.
10871
10872 2008-08-04  Ian Lance Taylor  <iant@google.com>
10873
10874         * symtab.h (Symbol::use_plt_offset): New function.
10875         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10876         * powerpc.cc (Relocate::relocate): Likewise.
10877         * sparc.cc (Relocate::relocate): Likewise.
10878         * x86_64.cc (Relocate::relocate): Likewise.
10879         * testsuite/weak_plt.sh: New test.
10880         * testsuite/weak_plt_main.cc: New test.
10881         * testsuite/weak_plt_shared.cc: New test.
10882         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10883         (check_PROGRAMS): Add weak_plt.
10884         (check_DATA): Add weak_plt_shared.so.
10885         (weak_plt_main_pic.o, weak_plt): New targets.
10886         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10887         * testsuite/Makefile.in: Rebuild.
10888
10889         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10890         gcctestdir/ld.
10891         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10892         * testsuite/Makefile.in: Rebuild.
10893
10894 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10895
10896         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10897         * Makefile.in: Regenerate.
10898         * po/POTFILES.in: Regenerate.
10899
10900 2008-07-29  Ian Lance Taylor  <iant@google.com>
10901
10902         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10903         symbols before other symbols.
10904         * testsuite/script_test_2.cc (test_addr): Declare.
10905         (test_addr_alias): Declare.
10906         (main): Check that test_addr and test_addr_alias have the right
10907         values.
10908         * testsuite/script_test_2.t: Define test_addr_alias and
10909         test_addr.
10910
10911 2008-07-24  Ian Lance Taylor  <iant@google.com>
10912
10913         PR 5990
10914         * descriptors.cc: New file.
10915         * descriptors.h: New file.
10916         * gold-threads.h (class Hold_optional_lock): New class.
10917         * fileread.cc: Include "descriptors.h".
10918         (File_read::~File_read): Release descriptor rather than closing
10919         it.
10920         (File_read::open) [file]: Call open_descriptor rather than open.
10921         Set is_descriptor_opened_.
10922         (File_read::open) [memory]: Assert that descriptor is not open.
10923         (File_read::reopen_descriptor): New function.
10924         (File_read::release): Release descriptor.
10925         (File_read::do_read): Make non-const.  Reopen descriptor.
10926         (File_read::read): Make non-const.
10927         (File_read::make_view): Reopen descriptor.
10928         (File_read::do_readv): Likewise.
10929         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10930         Update declarations.
10931         * layout.cc: Include "descriptors.h".
10932         (Layout::create_build_id): Use open_descriptor rather than open.
10933         * output.cc: Include "descriptors.h".
10934         (Output_file::open): Use open_descriptor rather than open.
10935         * archive.cc (Archive::const_iterator): Change Archive to be
10936         non-const.
10937         (Archive::begin, Archive::end): Make non-const.
10938         (Archive::count_members): Likewise.
10939         * archive.h (class Archive): Update declarations.
10940         * object.h (Object::read): Make non-const.
10941         * Makefile.am (CCFILES): Add descriptors.cc.
10942         (HFILES): Add descriptors.h.
10943         * Makefile.in: Rebuild.
10944
10945         PR 6716
10946         * gold.h: Always include <clocale>.  Add Solaris workarounds
10947         following code in binutils/sysdep.h.
10948
10949         PR 6048
10950         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10951         this->eh_frame_hdr_ is NULL before using it.
10952
10953         * dynobj.cc (Versions::Versions): Update comment.
10954
10955         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10956         the base version name.
10957
10958         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10959         array size plus one.
10960         (Stringpool_template::set_string_offsets): Subtract one from key
10961         before using it as an array index.
10962         (Stringpool_template::get_offset_with_length): Likewise.
10963         (Stringpool_template::write_to_buffer): Likewise.
10964         * stringpool.h (Stringpool_template::get_offset_from_key):
10965         Likewise.
10966
10967 2008-07-23  Ian Lance Taylor  <iant@google.com>
10968
10969         PR 6658
10970         * object.h (Merged_symbol_value::value): Do our best to handle a
10971         negative addend.
10972
10973         PR 6647
10974         * script.cc (Version_script_info::get_versions): Don't add empty
10975         version tag to return value.
10976         (Version_script_info::get_symbol_version_helper): Change return
10977         type to bool.  Add pversion parameter.  Change all callers.
10978         (script_register_vers_node): Don't require a non-NULL tag.
10979         * script.h (class Version_script_info): Update declarations.
10980         (Version_script_info::get_symbol_version): Change return type to
10981         bool.  Add version parameter.  Change all callers.
10982         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10983         handling.  Handle an empty version from a version script.
10984         (Symbol_table::define_special_symbol): Likewise.
10985         * testsuite/ver_test_10.script: New file.
10986         * testsuite/ver_test_10.sh: New file.
10987         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10988         (check_DATA): Add ver_test_10.syms.
10989         (ver_test_10.syms, ver_test_10.so): New target.
10990         * testsuite/Makefile.in: Rebuild.
10991
10992 2008-07-23  Simon Baldwin  <simonb@google.com>
10993
10994         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10995         to zero for undefined symbols from dynamic libraries.
10996
10997 2008-07-23  Ian Lance Taylor  <iant@google.com>
10998
10999         * symtab.cc (Symbol_table::resolve): Remove version parameter.
11000         Change all callers.
11001         * symtab.h (class Symbol_table): Update declaration.
11002         * testsuite/ver_test_9.cc: New file.
11003         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
11004         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
11005         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
11006         (ver_test_9.so, ver_test_9.o): New targets.
11007         * testsuite/Makefile.in: Rebuild.
11008
11009 2008-07-22  Ian Lance Taylor  <iant@google.com>
11010
11011         * options.h (class General_options): Define --check-sections.
11012         * layout.cc (Layout::set_segment_offsets): Handle
11013         --check-sections.
11014
11015         * options.h (class General_options): Define -n/--nmagic and
11016         -N/--omagic.
11017         * options.cc (General_options::finalize): For -n/--nmagic or
11018         -N/--omagic, set -static.
11019         * layout.cc (Layout::attach_allocated_section_to_segment): If
11020         -N/--omagic, don't put read-only and read-write sections in
11021         different segments.
11022         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
11023         finding a read-only segment.
11024         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
11025         don't set the minimum segment alignment to the common page size,
11026         and don't set the file offset to the address modulo the page size.
11027         * script-sections.cc (Script_sections::create_segments): If
11028         -n/--omagic, don't put read-only and read-write sections in
11029         different segments.
11030
11031         * cref.cc: New file.
11032         * cref.h: New file.
11033         * options.h (class General_options): Add --print-symbol-counts.
11034         * main.cc (main): Issue defined symbol report if requested.
11035         * archive.cc (Archive::interpret_header): Make into a const member
11036         function.
11037         (Archive::add_symbols): Call Input_objects::archive_start and
11038         archive_stop.
11039         (Archive::const_iterator): Define new class.
11040         (Archive::begin, Archive::end): New functions.
11041         (Archive::include_all_members): Rewrite to use iterator.
11042         (Archive::count_members): New function.
11043         * archive.h (class Archive): Update declarations.
11044         (Archive::filename): New function.
11045         * object.cc: Include "cref.h".
11046         (Sized_relobj::Sized_relobj): Initialize defined_count_.
11047         (Sized_relobj::do_get_global_symbol_counts): New function.
11048         (Input_objects::add_object): Add object to cross-referencer.
11049         (Input_objects::archive_start): New function.
11050         (Input_objects::archive_stop): New function.
11051         (Input_objects::print_symbol_counts): New function.
11052         * object.h: Declare Cref and Archive.
11053         (Object::get_global_symbol_counts): New function.
11054         (Object::do_get_global_symbol_counts): New pure virtual function.
11055         (class Sized_relobj): Add defined_count_ field.  Update
11056         declarations.
11057         (class Input_objects): Add cref_ field.  Update constructor.
11058         Update declarations.
11059         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
11060         defined_count_.
11061         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
11062         symbol counts.
11063         (Sized_dynobj::do_get_global_symbol_counts): New function.
11064         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
11065         defined_count_.  Update declarations.  Define Symbols typedef.
11066         * symtab.cc (Symbol_table::add_from_relobj): Add defined
11067         parameter.  Change all callers.
11068         (Symbol_table::add_from_dynobj): Add sympointers and defined
11069         parameters.  Change all callers.
11070         * symtab.h (class Symbol_table): Update declarations.
11071         * Makefile.am (CCFILES): Add cref.cc.
11072         (HFILES): Add cref.h.
11073         * Makefile.in: Rebuild.
11074
11075 2008-07-22  Simon Baldwin  <simonb@google.com>
11076
11077         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
11078         to zero when writing undefined symbols.
11079
11080 2008-07-22  Ian Lance Taylor  <iant@google.com>
11081
11082         * output.cc (Output_section::add_input_section): Don't try to
11083         merge empty merge sections.
11084
11085 2008-07-21  Craig Silverstein  <csilvers@google.com>
11086
11087         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11088         Include symbol version in error message.
11089
11090 2008-07-20  Chris Demetriou  <cgd@google.com>
11091
11092         * configure.ac (gold_cv_c_random_seed): New configured variable.
11093         (RANDOM_SEED_CFLAGS): New substituted variable.
11094         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
11095         * configure: Rebuild.
11096         * Makefile.in: Likewise.
11097         * testsuite/Makefile.in: Likewise.
11098
11099 2008-07-18  Ian Lance Taylor  <iant@google.com>
11100
11101         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
11102         where we see NAME/NULL and NAME/VERSION  as separate symbols.
11103         * testsuite/ver_test_main.cc (main): Call t4.
11104         (t4, t4_2a): Define.
11105         * testsuite/ver_test_2.cc (t4_2): Define.
11106         * testsuite/ver_test_2.script: Put t4_2a in VER2.
11107         * testsuite/ver_test_4.cc (t4_2a): Define.
11108         * testsuite/ver_test_4.script: Put t4_2a in VER2.
11109         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
11110
11111 2008-07-17  Ian Lance Taylor  <iant@google.com>
11112
11113         * dynobj.cc (Versions::add_def): If we give an error about a
11114         missing version, go ahead and create the version anyhow.
11115
11116 2008-07-10  Ian Lance Taylor  <iant@google.com>
11117
11118         Handle output sections with more than 0x7fffffff bytes.
11119         * object.h (class Relobj): Change map_to_output_ to
11120         output_sections_, and just keep a section pointer.  Change all
11121         uses.  Move comdat group support to Sized_relobj.
11122         (Relobj::is_section_specially_mapped): Remove.
11123         (Relobj::output_section): Remove poff parameter.  Change all
11124         callers.
11125         (Relobj::output_section_offset): New function.
11126         (Relobj::set_section_offset): Rewrite.
11127         (Relobj::map_to_output): Remove.
11128         (Relobj::output_sections): New function.
11129         (Relobj::do_output_section_offset): New pure virtual function.
11130         (Relobj::do_set_section_offset): Likewise.
11131         (class Sized_relobj): Add section_offsets_ field.  Add comdat
11132         group support from Relobj.  Update declarations.
11133         (Sized_relobj::get_output_section_offset): New function.
11134         (Sized_relobj::do_output_section_offset): New function.
11135         (Sized_relobj::do_set_section_offset): New function.
11136         * object.cc (Relobj::output_section_address): Remove.
11137         (Sized_relobj::Sized_relobj): Initialize new fields.
11138         (Sized_relobj::include_section_group): Cast find_kept_object to
11139         Sized_relobj.
11140         (Sized_relobj::include_linkonce_section): Likewise.
11141         (Sized_relobj::do_layout): Use separate arrays for output section
11142         and output offset.
11143         (Sized_relobj::do_count_local_symbols): Change map_to_output to
11144         output_sections.
11145         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
11146         output_sections and section_offsets.
11147         (Sized_relobj::write_local_symbols): Likewise.
11148         (map_to_kept_section): Compute output address directly.
11149         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
11150         output_sections and section_offsets.
11151         (Sized_relobj::write_sections): Likewise.
11152         (Sized_relobj::relocate_sections): Likewise.
11153         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
11154         * output.h (class Output_reloc): Update declarations.  Change
11155         u2_.relobj to Sized_relobj*.
11156         (class Output_data_reloc): Change add functions to use
11157         Sized_relobj*.
11158         * output.cc (Output_reloc::Output_reloc): Change relobj to
11159         Sized_relobj*.
11160         (Output_reloc::local_section_offset): Change return type to
11161         Elf_Addr.  Use get_output_section_offset.
11162         (Output_reloc::get_address): Likewise.
11163         (Output_section::is_input_address_mapped): Don't call
11164         is_section_specially_mapped.
11165         (Output_section::output_offset): Likewise.
11166         (Output_section::output_address): Likewise.
11167         (Output_section::starting_output_address): Likewise.
11168         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11169         parameter to Sized_relobj*.
11170         (Copy_relocs::need_copy_reloc): Likewise.
11171         (Copy_relocs::save): Likewise.
11172         * copy-relocs.h (class Copy_relocs): Update declarations.
11173         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11174         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11175         * target-reloc.h (relocate_for_relocatable): Change
11176         offset_in_output_section type to Elf_Addr.  Change code that uses
11177         it as well.
11178         * layout.cc (Layout::layout): Always set *off.
11179         * mapfile.cc (Mapfile::print_input_section): Use
11180         output_section_offset.
11181         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11182         Sized_relobj*.
11183         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11184         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11185         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11186
11187 2008-07-03  Ian Lance Taylor  <iant@google.com>
11188
11189         * layout.cc (Layout::include_section): Do not discard unrecognized
11190         SHT_STRTAB sections.
11191
11192 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11193
11194         * script.cc (Lex::can_continue_name): Make '?' allowable in
11195         version-script names.
11196         * testsuite/version_script.map: Change glob pattern to use '?'
11197
11198 2008-06-30  Manish Singh  <yosh@gimp.org>
11199
11200         PR 6585
11201         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11202         Correct typo.
11203
11204 2008-06-30  Ian Lance Taylor  <iant@google.com>
11205
11206         PR 6660
11207         PR 6682
11208         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11209         versions]: Don't try to read the value in the contents, since we
11210         don't use it.  Use the template endianness when writing.
11211
11212 2008-06-25  Cary Coutant  <ccoutant@google.com>
11213
11214         * fileread.cc (File_read::make_view): Assert on zero-length view.
11215         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11216         symbol table when there are no symbols to read.
11217
11218 2008-06-23  Craig Silverstein  <csilvers@google.com>
11219
11220         * version.cc (version_string): Bump to 1.7
11221
11222 2008-06-18  Craig Silverstein  <csilvers@google.com>
11223
11224         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11225         constant 0xFFFF to type Valtype.
11226         (Powerpc_relocate_functions::rel16_ha): Likewise.
11227
11228 2008-06-17  Ian Lance Taylor  <iant@google.com>
11229
11230         * output.h (Output_section::Input_section): Initialize p2align_ to
11231         zero for Output_section_data constructors.
11232         (Output_section::Input_section::addralign): If not an input
11233         section, return the alignment of the Output_section_data.
11234         * testsuite/copy_test.cc: New file.
11235         * testsuite/copy_test_1.cc: New file.
11236         * testsuite/copy_test_2.cc: New file.
11237         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11238         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11239         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11240         (copy_test_1_pic.o, copy_test_1.so): New targets.
11241         (copy_test_2_pic.o, copy_test_2.so): New targets.
11242         * testsuite/Makefile.in: Rebuild.
11243
11244         * script-sections.cc (Script_sections::place_orphan): Initialize
11245         local variable exact.
11246
11247 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11248
11249         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11250
11251 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11252             David S. Miller  <davem@davemloft.net>
11253
11254         * powerpc.cc: New file.
11255         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11256         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11257         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11258         * Makefile.in: Rebuild.
11259
11260 2008-06-09  Ian Lance Taylor  <iant@google.com>
11261
11262         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11263         <exception>.
11264         (throwing, orig_terminate): New static variables.
11265         (terminate_handler): New static function.
11266         (t2): Set terminate handler.
11267
11268 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11269
11270         PR 6584
11271         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11272         alignment.
11273
11274 2008-05-30  Cary Coutant  <ccoutant@google.com>
11275
11276         * archive.cc (Archive::include_all_members) Correct to step
11277         over symbol table and extended name table in thin archives.
11278
11279 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11280
11281         PR 6407
11282         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11283         calculation.
11284
11285 2008-05-28  Caleb Howe  <cshowe@google.com>
11286
11287         * reduced_debug_output.cc: New file.
11288         * reduced_debug_output.h: New file.
11289         * options.h (class General_options): Add --strip-debug-non-line.
11290         * options.cc (General_options::finalize): Add strip_debug_non_line
11291         to the strip heirarchy.
11292         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11293         fields.
11294         * layout.cc: Include "reduced_debug_output.h".
11295         (Layout::Layout): Initialize new fields.
11296         (line_only_debug_sections): New static array.
11297         (is_lines_only_debug_sections): New static inline function.
11298         (Layout::include_section): Handle --strip-debug-non-line.
11299         (Layout::make_output_section): If --strip-debug-non-line, build
11300         new output sections for .debug_abbrev and .debug_info.
11301         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11302         gold.  Warn about possible overflow.
11303         (read_signed_LEB_128): Likewise.
11304         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11305         (read_signed_LEB_128): Declare.
11306         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11307         (HFILES): Add reduced_debug_output.h.
11308         * Makefile.in: Rebuild.
11309
11310 2008-05-21  Ian Lance Taylor  <iant@google.com>
11311
11312         * mapfile.cc: New file.
11313         * mapfile.h: New file.
11314         * options.h (class General_options): Add -M/--print-map and -Map.
11315         * options.cc (General_options::finalize): Make -M equivalent to
11316         -Map -.
11317         * main.cc: Include <cstdio> and "mapfile.h".
11318         (main): Open mapfile if requested.
11319         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11320         constructor.  Change caller.
11321         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11322         (queue_middle_tasks): Likewise.
11323         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11324         declarations.
11325         * archive.cc: Include "mapfile.h".
11326         (Archive::add_symbols): Add mapfile parameter.  Change all
11327         callers.  Pass mapfile, symbol, and reason to include_member.
11328         (Archive::include_all_members): Add mapfile parameter.  Change all
11329         callers.
11330         (Archive::include_member): Add mapfile, sym, and why parameters.
11331         Change all callers.  Report inclusion to map file.
11332         * archive.h: Include "fileread.h".
11333         (class Archive): Update declarations.
11334         (Archive::file): New const method.
11335         (class Add_archive_symbols): Add mapfile_ field.  Update
11336         constructor.  Change all callers.
11337         * readsyms.h (class Read_symbols): Likewise.
11338         (class Finish_group): Likewise.
11339         (class Read_script): Likewise.
11340         * common.cc: Include "mapfile.h".
11341         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11342         all callers.
11343         (Symbol_table::do_allocate_commons): Likewise.
11344         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11345         symbol allocation to mapfile.
11346         * common.h (class Allocate_commons_task): Add mapfile_ field.
11347         Update constructor.  Change all callers.
11348         * symtab.h (class Symbol_table): Update declarations.
11349         * layout.cc: Include "mapfile.h".
11350         (Layout_task_runner::run): Print information to mapfile.
11351         (Layout::create_gold_note): Change Output_data_fixed_space to
11352         Output_data_zero_fill.
11353         (Layout::create_build_id): Likewise.
11354         (Layout::print_to_mapfile): New function.
11355         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11356         constructor.  Change caller.
11357         (class Layout): Declare print_to_mapfile.
11358         * output.cc (Output_section::Input_section::print_to_mapfile): New
11359         function.
11360         (Output_section::add_input_section): If producing a map, always
11361         add to input_sections_ list.
11362         (Output_section::do_print_to_mapfile): New function.
11363         (Output_segment::print_sections_to_mapfile): New function.
11364         (Output_segment::print_section_list_to_mapfile): New function.
11365         * output.h: Include "mapfile.h".
11366         (Output_data::print_to_mapfile): New function.
11367         (Output_data::do_print_to_mapfile): New virtual function.
11368         (Output_segment_headers::do_print_to_mapfile): New function.
11369         (Output_file_header::do_print_to_mapfile): New function.
11370         (Output_data_const::do_print_to_mapfile): New function.
11371         (class Output_data_const_buffer): Add map_name_ field.  Update
11372         constructor.  Change all callers.  Add do_print_to_mapfile
11373         function.
11374         (class Output_data_fixed_space): Likewise.
11375         (class Output_data_space): Likewise.
11376         (class Output_data_zero_fill): New class.
11377         (Output_data_strtab::do_print_to_mapfile): New function.
11378         (Output_data_reloc_base::do_print_to_mapfile): New function.
11379         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11380         (Output_data_group::do_print_to_mapfile): New function.
11381         (Output_data_got::do_print_to_mapfile): New function.
11382         (Output_data_dynamic::do_print_to_mapfile): New function.
11383         (Output_symtab_xindex::do_print_to_mapfile): New function.
11384         (class Output_section): Declare do_print_to_mapflie.  Declare
11385         print_to_mapfile in Input_section.
11386         (class Output_segment): Declare new functions.
11387         * object.h (Sized_relobj::symbol_count): New function.
11388         * script-sections.cc
11389         (Output_section_element_dot_assignment::set_section_addresses):
11390         Change Output_data_fixed_space to Output_data_zero_fill.
11391         (Output_data_expression::do_print_to_mapfile): New function.
11392         * script.cc (read_input_script): Add mapfile parameter.  Change
11393         all callers.
11394         * script.h (read_input_script): Update declaration.
11395         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11396         (Eh_frame::do_print_to_mapfile): New function.
11397         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11398         (Output_merge_string::do_print_to_mapfile): New function.
11399         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11400         function.
11401         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11402         function.
11403         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11404         function.
11405         * Makefile.am (CCFILES): Add mapfile.cc.
11406         (HFILES): Add mapfile.h.
11407         * Makefile.in: Rebuild.
11408
11409 2008-05-19  Ian Lance Taylor  <iant@google.com>
11410
11411         * options.h (class General_options): Add -z relro.
11412         * layout.cc (Layout::Layout): Initialize relro_segment_.
11413         (Layout::add_output_section_data): Return the output section.
11414         (Layout::make_output_section): Rcognize relro sections and mark
11415         them appropriately.
11416         (Layout::attach_allocated_section_to_segment): Put relro sections
11417         in a PT_GNU_RELRO segment.
11418         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11419         section as relro.
11420         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11421         PT_TLS segments.
11422         (Layout::linkonce_mapping): Map d.rel.ro.local to
11423         .data.rel.ro.local.
11424         (Layout::output_section_name): Us .data.rel.ro.local for any
11425         section which begins with that.
11426         * layout.h (class Layout): Update add_output_section_data
11427         declaration.  Add relro_segment_ field.
11428         * output.cc (Output_section::Output_section): Initialize is_relro_
11429         and is_relro_local_ fields.
11430         (Output_segment::add_output_section): Group relro sections.
11431         (Output_segment::is_first_section_relro): New function.
11432         (Output_segment::maximum_alignment): If there is a relro section,
11433         align the segment to the common page size.
11434         (Output_segment::set_section_addresses): Track whether we are
11435         looking at relro sections.  If the last section is a relro
11436         section, align to the common page size.
11437         (Output_segment::set_section_list_addresses): Add in_relro
11438         parameter.  Change all callers.  Align to the page size when
11439         moving from relro to non-relro section.
11440         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11441         segment.
11442         * output.h (class Output_section): Add is_relro_ and
11443         is_relro_local_ fields.
11444         (Output_section::is_relro): New function.
11445         (Output_section::set_is_relro): New function.
11446         (Output_section::is_relro_local): New function.
11447         (Output_section::set_is_relro_local): New function.
11448         (class Output_segment): Update declarations.
11449         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11450         * sparc.cc (Target_sparc::got_section): Likewise.
11451         * x86_64.cc (Target_x86_64::got_section): Likewise.
11452         * testsuite/relro_test_main.cc: New file.
11453         * testsuite/relro_test.cc: New file.
11454         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11455         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11456         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11457         (relro_test.so, relro_test_pic.o): New targets.
11458         * testsuite/Makefile.in: Rebuild.
11459
11460 2008-05-16  Ian Lance Taylor  <iant@google.com>
11461
11462         * output.cc (Output_segment::add_output_section): Remove front
11463         parameter.
11464         * output.h (class Output_segment): Remove
11465         add_initial_output_section and overloaded add_output_section.
11466         Update declaration of remaining add_output_section.
11467         * layout.cc (Layout::create_interp): Call add_output_section
11468         rather than add_initial_output_section.
11469         (Layout::finish_dynamic_section): Likewise.
11470
11471         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11472         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11473         know the dynamic type.
11474         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11475         field.  Initialize it in constructor.
11476         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11477         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11478         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11479         reloc.
11480
11481         * output.cc (Output_reloc::get_address): Change return type to
11482         Elf_Addr.
11483         * output.h (class Output_reloc): Update get_address declaration.
11484         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11485         for section addresses.
11486
11487 2008-05-09  Ian Lance Taylor  <iant@google.com>
11488
11489         PR 6493
11490         * gold.cc (gold_nomem): Use return value of write.
11491
11492 2008-05-08  Ian Lance Taylor  <iant@google.com>
11493
11494         * symtab.c (Symbol::init_base_output_data): Add version
11495         parameter.  Change all callers.
11496         (Symbol::init_base_output_segment): Likewise.
11497         (Symbol::init_base_constant): Likewise.
11498         (Symbol::init_base_undefined): Likewise.
11499         (Sized_symbol::init_output_data): Likewise.
11500         (Sized_symbol::init_output_segment): Likewise.
11501         (Sized_symbol::init_constant): Likewise.
11502         (Sized_symbol::init_undefined): Likewise.
11503         (Symbol_table::do_define_in_output_data): If the new symbol has a
11504         version, mark it as the default.
11505         (Symbol_table::do_define_in_output_segment): Likewise.
11506         (Symbol_table::do_define_as_constant): Likewise.
11507         * symtab.h (class Symbol): Update declarations.
11508         (class Sized_symbol): Likewise.
11509         * resolve.cc (Symbol::override_version): New function.
11510         (Symbol::override_base): Call override_version.
11511         (Symbol::override_base_with_special): Likewise.
11512         * testsuite/ver_script_8.script: New file.
11513         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11514         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11515         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11516         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11517
11518 2008-05-06  Ian Lance Taylor  <iant@google.com>
11519
11520         PR 6049
11521         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11522         functions.
11523         (class General_options): Remove existing --undefined, and add
11524         --no-undefined instead.  Add new --undefined as synonym for -u.
11525         * archive.cc (Archive::add_symbols): Check whether symbol was
11526         named with -u.
11527         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11528         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11529         all uses.  Add IS_UNDEFINED.  Update declarations to split
11530         different versions of init_base.  Declare init_base_undefined.
11531         (Symbol::is_defined): Handle IS_UNDEFINED.
11532         (Symbol::is_undefined): Likewise.
11533         (Symbol::is_weak_undefined): Call is_undefined.
11534         (Symbol::is_absolute): Handle IS_CONSTANT.
11535         (class Sized_symbol): Update declarations to split different
11536         versions of init.  Declare init_undefined.
11537         (class Symbol_table): Declare new functions.
11538         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11539         Change all callers.
11540         (Symbol::init_base_output_data): Likewise.
11541         (Symbol::init_base_output_segment): Likewise.
11542         (Symbol::init_base_constant): Likewise.
11543         (Symbol::init_base_undefined): New function.
11544         (Sized_symbol::init_object): Rename from init.  Change all
11545         callers.
11546         (Sized_symbol::init_output_data): Likewise.
11547         (Sized_symbol::init_output_segment): Likewise.
11548         (Sized_symbol::init_constant): Likewise.
11549         (Sized_symbol::init_undefined): New function.
11550         (Symbol_table::add_undefined_symbols_from_command_line): New
11551         function.
11552         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11553         function.
11554         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11555         (Symbol::output_section): Likewise.
11556         (Symbol::set_output_section): Likewise.
11557         (Symbol_table::sized_finalize_symbol): Likewise.
11558         (Symbol_table::sized_write_globals): Likewise.
11559         * resolve.cc (Symbol_table::should_override): Likewise.
11560         (Symbol::override_base_with_special): Likewise.
11561
11562         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11563         symbol, change it to have default visibility.
11564         * testsuite/protected_1.cc: New file.
11565         * testsuite/protected_2.cc: New file.
11566         * testsuite/protected_3.cc: New file.
11567         * testsuite/protected_main_1.cc: New file.
11568         * testsuite/protected_main_2.cc: New file.
11569         * testsuite/protected_main_3.cc: New file.
11570         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11571         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11572         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11573         (protected_1.so): New target.
11574         (protected_1_pic.o, protected_2_pic.o): New targets.
11575         (protected_3_pic.o): New target.
11576         (check_PROGRAMS): Add protected_2.
11577         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11578         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11579         * testsuite/Makefile.in: Rebuild.
11580
11581         * options.h (DEFINE_var): Add set_user_set_##varname__.
11582         (DEFINE_bool_alias): New macro.
11583         (class General_options): Define -Bstatic using DEFINE_bool_alias
11584         rather than DEFINE_special.  Add --undefined as an alias for -z
11585         defs.
11586         * options.cc (General_options::parse_Bstatic): Remove.
11587
11588         * options.h (class General_options): Add --fatal-warnings.
11589         * main.cc (main): Implement --fatal-warnings.
11590         * errors.h (Errors::warning_count): New function.
11591
11592         * options.h (class General_options): Add -Bsymbolic-functions.
11593         * symtab.h (Symbol::is_preemptible): Check for
11594         -Bsymbolic-functions.
11595
11596 2008-05-05  Ian Lance Taylor  <iant@google.com>
11597
11598         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11599         as noVARNAME rather than no-VARNAME.
11600         (class General_options): Add option -z combreloc.
11601         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11602         get_address.
11603         (Output_reloc::sort_before) [SHT_REL]: New function.
11604         (Output_reloc::sort_before) [SHT_RELA]: New function.
11605         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11606         Sort_relocs_comparison.
11607         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11608         parameter.  Change all callers.
11609         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11610         sort_relocs parameter.  Change all callers.
11611         * output.cc (Output_reloc::get_address): New function, broken out
11612         of write_rel.
11613         (Output_reloc::write_rel): Call it.
11614         (Output_reloc::compare): New function.
11615         (Output_data_reloc_base::do_write): Optionally sort relocs.
11616
11617         * configure.ac: If targ_extra_obj is set, link it in.
11618         * configure.tgt: Initialize all variables.
11619         (x86_64*): Set targ_extra_obj and targ_extra_size.
11620         * configure: Rebuild.
11621
11622         * object.cc (Sized_relobj::include_section_group): Adjust section
11623         indexes read from group data.  Build vector to pass to
11624         layout_group.
11625         * layout.cc (Layout::layout_group): Add flags and shndxes
11626         parameters.  Remove contents parameter.  Change caller.  Update
11627         explicit instantiations.
11628         * layout.h (class Layout): Update layout_group declaration.
11629         * output.cc (Output_data_group::Output_data_group): Add flags and
11630         input_shndxes parameters.  Remove contents parameter.  Change
11631         caller.
11632         (Output_data_group::do_write): Change input_sections_ to
11633         input_shndxes_.
11634         * output.h (class Output_data_group): Update constructor
11635         declaration.  Rename input_sections_ to input_shndxes_.
11636         * testsuite/many_sections_test.cc: Add template.
11637
11638 2008-04-30  Cary Coutant  <ccoutant@google.com>
11639
11640         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11641
11642         * layout.cc (Layout::include_section): Refactored check for debug
11643         info section.
11644         (Layout::add_comdat): Add new parameters.  Change type
11645         of signature parameter.  Add object and shndx to signatures table.
11646         (Layout::find_kept_object): New function.
11647         * layout.h: Include <cstring>.
11648         (Layout::is_debug_info_section): New function.
11649         (Layout::add_comdat): Add new parameters.
11650         (Layout::find_kept_object): New function.
11651         (Layout::Kept_section): New struct.
11652         (Layout::Signatures): Change type of map range.
11653         * object.cc (Relobj::output_section_address): New function.
11654         (Sized_relobj::include_section_group): Add new parameters.  Change
11655         calls to Layout::add_comdat.  Change to build table of kept comdat
11656         groups and table mapping discarded sections to kept sections.
11657         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11658         (Sized_relobj::do_layout): Change calls to include_section_group and
11659         include_linkonce_section.
11660         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11661         value to zero when section is discarded.
11662         (Sized_relobj::map_to_kept_section): New function.
11663         * object.h (Relobj::output_section_address): New function.
11664         (Relobj::Comdat_group): New type.
11665         (Relobj::find_comdat_group): New function.
11666         (Relobj::Comdat_group_table): New type.
11667         (Relobj::Kept_comdat_section): New type.
11668         (Relobj::Kept_comdat_section_table): New type.
11669         (Relobj::add_comdat_group): New function.
11670         (Relobj::set_kept_comdat_section): New function.
11671         (Relobj::get_kept_comdat_section): New function.
11672         (Relobj::comdat_groups_): New field.
11673         (Relobj::kept_comdat_sections_): New field.
11674         (Symbol_value::input_value): Update comment.
11675         (Sized_relobj::map_to_kept_section) New function.
11676         (Sized_relobj::include_linkonce_section): Add new parameter.
11677         * target-reloc.h (Comdat_behavior): New type.
11678         (get_comdat_behavior): New function.
11679         (relocate_section): Add code to map a discarded section to the
11680         corresponding kept section when applying a relocation.
11681
11682 2008-04-30  Craig Silverstein  <csilvers@google.com>
11683
11684         * dwarf_reader.cc (next_generation_count): New static var.
11685         (Addr2line_cache_entry): New struct.
11686         (addr2line_cache): New static var.
11687         (Dwarf_line_info::one_addr2line): Added caching.
11688         (Dwarf_line_info::clear_addr2line_cache): New function.
11689         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11690         cache-size parameter.
11691         (Dwarf_line_info::one_addr2line_cache): New function.
11692         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11693         new cache-size argument to one_addr2line(), and clear cache.
11694
11695 2008-04-28  Cary Coutant  <ccoutant@google.com>
11696
11697         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11698         R_386_PC8 relocations.
11699
11700 2008-04-23  Ian Lance Taylor  <iant@google.com>
11701
11702         * object.cc (Sized_relobj::include_section_group): Check for
11703         invalid section group.
11704
11705         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11706         header size.
11707
11708         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11709         than read for file header.
11710         * archive.cc (Archive::include_member): Likewise.
11711
11712 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11713
11714         * aclocal.m4: Regenerate.
11715         * configure: Regenerate.
11716
11717 2008-04-19  Ian Lance Taylor  <iant@google.com>
11718
11719         * version.cc (version_string): Bump to 1.6.
11720
11721         * testsuite/Makefile.am (many_sections_r_test): New target.
11722         (many_sections_r_test_SOURCES): Remove.
11723         (many_sections_r_test_DEPENDENCIES): Remove.
11724         (many_sections_r_test_LDFLAGS): Remove.
11725         (many_sections_r_test_LDADD): Remove.
11726
11727         * object.cc (Sized_relobj::do_add_symbols): Always pass
11728         local_symbol_count_ to add_from_relobj.
11729
11730         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11731         every thousand variables.
11732         * testsuite/Makefile.in: Rebuild.
11733
11734         * object.cc (Xindex::initialize_symtab_xindex): New function.
11735         (Xindex::read_symtab_xindex): New function.
11736         (Xindex::sym_xindex_to_shndx): New function.
11737         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11738         available.
11739         (Sized_relobj::do_initialize_xindex): New function.
11740         (Sized_relobj::do_read_symbols): Adjust section links.
11741         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11742         parameter.  Change all callers.
11743         (Sized_relobj::include_section_group): Adjust section links and
11744         symbol section indexes.
11745         (Sized_relobj::do_layout): Adjust section links.
11746         (Sized_relobj::do_count_local_symbols): Adjust section links and
11747         symbol section indexes.
11748         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11749         ordinary and special symbols.
11750         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11751         dynsym_xindex parameters.  Change all callers.  Adjust section
11752         links.  Use SHN_XINDEX when needed.
11753         (Sized_relobj::get_symbol_location_info): Adjust section links.
11754         Don't get fooled by special symbols.
11755         * object.h (class Xindex): Define.
11756         (class Object): Add xindex_ parameter.  Declare virtual functoin
11757         do_initialize_xindex.
11758         (Object::adjust_sym_shndx): New function.
11759         (Object::set_xindex): New protected function.
11760         (class Symbol_value): Add is_ordinary_shndx_ field.
11761         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11762         (Symbol_value::value): Assert ordinary section.
11763         (Symbol_value::initialize_input_to_output_map): Likewise.
11764         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11765         Change all callers.
11766         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11767         all callers.
11768         (class Sized_relobj): Update declarations.
11769         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11770         parameter.  Change all callers.
11771         (Sized_relobj::adjust_shndx): New function.
11772         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11773         field.
11774         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11775         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11776         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11777         (Sized_dynobj::read_dynsym_section): Adjust section links.
11778         (Sized_dynobj::read_dynamic): Likewise.
11779         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11780         section links.
11781         (Sized_dynobj::do_initialize_xindex): New function.
11782         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11783         do_initialize_xindex.
11784         (Sized_dynobj::adjust_shndx): New function.
11785         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11786         dynsym_xindex_ fields.
11787         (Layout::finalize): Add a call to set_section_indexes before
11788         creating the symtab sections.
11789         (Layout::set_section_indexes): Don't do anything if the section
11790         already has a section index.
11791         (Layout::create_symtab_sections): Add shnum parameter.  Change
11792         caller.  Create .symtab_shndx section if needed.
11793         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11794         caller.
11795         (Layout::allocated_output_section_count): New function.
11796         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11797         needed.
11798         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11799         fields.  Update declarations.
11800         (Layout::symtab_xindex): New function.
11801         (Layout::dynsym_xindex): New function.
11802         (class Write_symbols_task): Add layout_ field.
11803         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11804         Change caller.
11805         * output.cc (Output_section_headers::Output_section_headers): Add
11806         shstrtab_section parameter.  Change all callers.
11807         (Output_section_headers::do_sized_write): Store overflow values
11808         for section count and section string table section index in
11809         section header zero.
11810         (Output_file_header::do_sized_write): Check for overflow of
11811         section count and section string table section index.
11812         (Output_symtab_xindex::do_write): New function.
11813         (Output_symtab_xindex::endian_do_write): New function.
11814         * output.h (class Output_section_headers): Add shstrtab_section_.
11815         Update declarations.
11816         (class Output_symtab_xindex): Define.
11817         (Output_section::has_out_shndx): New function.
11818         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11819         field.
11820         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11821         Change all callers.
11822         (Sized_symbol::init): Likewise.
11823         (Symbol::output_section): Check for ordinary symbol.
11824         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11825         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11826         callers.
11827         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11828         Change all callers.  Simplify handling of symbols from sections
11829         not included in the link.
11830         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11831         distinction.
11832         (Weak_alias_sorter::operator()): Assert that symbols are
11833         ordinary.
11834         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11835         distinction.
11836         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11837         parameters.  Change all callers.
11838         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11839         symbol distinction.  Use SHN_XINDEX when needed.
11840         (Symbol_table::write_section_symbol): Add symtab_xindex
11841         parameter.  Change all callers.
11842         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11843         SHN_XINDEX when needed.
11844         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11845         declarations.
11846         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11847         (Symbol::is_defined): Check is_ordinary.
11848         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11849         (Symbol::is_absolute, Symbol::is_common): Likewise.
11850         (class Sized_symbol): Update declarations.
11851         (class Symbol_table): Update declarations.
11852         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11853         parameters.  Change all callers.
11854         (Sized_symbol::override): Likewise.
11855         (Symbol_table::override): Likewise.
11856         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11857         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11858         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11859         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11860         to be in an ordinary section.
11861         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11862         object and is_ordinary parameters.  Change all callers.
11863         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11864         Change all callers.  Don't add undefined or non-ordinary symbols
11865         to reloc_map_.
11866         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11867         Change all callers.
11868         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11869         declarations.
11870         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11871         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11872         (Sized_relobj::relocate_sections): Likewise.
11873         * target-reloc.h (scan_relocs): Adjust section symbol index.
11874         (scan_relocatable_relocs): Likewise.
11875         * i386.cc (Scan::local): Check for ordinary symbols.
11876         * sparc.cc (Scan::local): Likewise.
11877         * x86_64.cc (Scan::local): Likewise.
11878         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11879         to symbol_section_and_value.
11880         * testsuite/many_sections_test.cc: New file.
11881         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11882         (check_PROGRAMS): Add many_sections_test.
11883         (many_sections_test_SOURCES): Define.
11884         (many_sections_test_DEPENDENCIES): Define.
11885         (many_sections_test_LDFLAGS): Define.
11886         (BUILT_SOURCES): Add many_sections_define.h.
11887         (many_sections_define.h): New target.
11888         (BUILT_SOURCES): Add many_sections_check.h.
11889         (many_sections_check.h): New target.
11890         (check_PROGRAMS): Add many_sections_r_test.
11891         (many_sections_r_test_SOURCES): Define.
11892         (many_sections_r_test_DEPENDENCIES): Define.
11893         (many_sections_r_test_LDFLAGS): Define.
11894         (many_sections_r_test_LDADD): Define.
11895         (many_sections_r_test.o): New target.
11896         * testsuite/Makefile.in: Rebuild.
11897
11898 2008-04-17  Cary Coutant  <ccoutant@google.com>
11899
11900         * errors.cc (Errors::info): New function.
11901         (gold_info): New function.
11902         * errors.h (Errors::info): New function.
11903         * gold.h (gold_info): New function.
11904         * object.cc (Input_objects::add_object): Print trace output.
11905         * options.cc (options::parse_set): New function.
11906         (General_options::parse_wrap): Deleted.
11907         (General_options::General_options): Deleted initializer.
11908         * options.h (options::String_set): New typedef.
11909         (options::parse_set): New function.
11910         (DEFINE_set): New macro.
11911         (General_options::wrap): Changed to use DEFINE_set. Changed
11912         callers of any_wrap_symbols and is_wrap_symbol.
11913         (General_options::trace, General_options::trace_symbol):
11914         New options.
11915         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11916         (General_options::wrap_symbols_): Deleted.
11917         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11918
11919 2008-04-17  David S. Miller  <davem@davemloft.net>
11920
11921         * options.cc (General_options::parse_V): New function.
11922         * options.h: Add entries for -V and -Qy.
11923
11924 2008-04-17  Ian Lance Taylor  <iant@google.com>
11925
11926         * common.cc (Symbol_table::allocate_commons): Remove options
11927         parameter.  Change caller.
11928         (Symbol_table::do_allocate_commons): Remove options parameter.
11929         Change caller.  Just call do_allocate_commons_list twice.
11930         (Symbol_table::do_allocate_commons_list): New function, broken out
11931         of do_allocate_commons.
11932         * common.h (class Allocate_commons_task): Remove options_ field.
11933         Update constructor.
11934         * symtab.cc (Symbol_table::Symbol_table): Initialize
11935         tls_commons_.
11936         (Symbol_table::add_from_object): Put TLS common symbols on
11937         tls_commons_ list.
11938         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11939         which are IN_OUTPUT_DATA.
11940         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11941         allocate_commons and do_allocate_commons declarations.  Declare
11942         do_allocate_commons_list.
11943         * gold.cc (queue_middle_tasks): Update creation of
11944         Allocate_commons_task to not pass options.
11945         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11946         (TLS_TEST_C_FLAGS): New variable.
11947         (tls_test_c_pic.o): New target.
11948         (tls_test_shared.so): Link in tls_test_c_pic.o.
11949         (tls_test_c_pic_ie.o): New target.
11950         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11951         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11952         (tls_test_c.o): New target.
11953         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11954         (tls_pic_test_LDADD): Likewise.
11955         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11956         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11957         (tls_test_c_gnu2.o): New target.
11958         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11959         tls_test_c_gnu2.o.
11960         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11961         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11962         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11963         * testsuite/tls_test.cc: Include "config.h".
11964         (t_last): Call t11_last.
11965         * testsuite/tls_test.h (t11, t11_last): Declare.
11966         * testsuite/tls_test_c.c: New file.
11967         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11968         * configure.ac: Check for OpenMP support.
11969         * configure, config.in, Makefile.in: Rebuild.
11970         * testsuite/Makefile.in: Rebuild.
11971
11972 2008-04-16  Cary Coutant  <ccoutant@google.com>
11973
11974         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11975         (Target_i386::tls_base_symbol_defined_): New field.
11976         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11977         (Target_i386::Scan::global): Likewise.
11978         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11979         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11980         (Target_x86_64::tls_base_symbol_defined_): New field.
11981         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11982         (Target_x86_64::Scan::global): Likewise.
11983
11984 2008-04-16  Cary Coutant  <ccoutant@google.com>
11985
11986         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11987         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11988         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11989         building shared libraries.
11990         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11991         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11992         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11993         * testsuite/Makefile.in: Rebuild.
11994         * testsuite/weak_undef.h: New file.
11995         * testsuite/weak_undef_file1.cc: Add extra test cases.
11996         * testsuite/weak_undef_file2.cc: Likewise.
11997         * testsuite/weak_undef_test.cc: Likewise.
11998
11999 2008-04-16  David S. Miller  <davem@davemloft.net>
12000
12001         * sparc.cc (Target_sparc::Scan): Change from struct to class.
12002         Add issued_non_pic_error_ field.  Declare check_non_pic.
12003         (Target_sparc::Scan::check_non_pic): New function.
12004         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
12005         (Target_sparc::Scan::global): Likewise.
12006
12007         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
12008         * configure: Rebuild.
12009
12010         * options.h (DEFINE_enable): New macro.
12011         (new_dtags): New enable option.
12012         (initfirst, interpose, loadfltr, nodefaultlib,
12013         nodelete, nodlopen, nodump): New -z options.
12014         * layout.cc (Layout:finish_dynamic_section): If new
12015         dtags enabled, emit DT_RUNPATH.  Also, emit a
12016         DT_FLAGS_1 containing any specified -z flags.
12017
12018 2008-04-16  Ian Lance Taylor  <iant@google.com>
12019
12020         * copy-relocs.cc: New file.
12021         * copy-relocs.h: New file.
12022         * reloc.cc: Remove Copy_relocs code.
12023         * reloc.h: Likewise.
12024         * reloc-types.h (struct Reloc_types) [both versions]: Add
12025         get_reloc_addend_noerror.
12026         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
12027         variants of add_global which take an addend which must be zero.
12028         * i386.cc: Include "copy-relocs.h".
12029         (class Target_i386): Change type of copy_relocs_ to variable,
12030         update initializer.
12031         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
12032         Change all callers.
12033         (Target_i386::do_finalize_sections): Change handling of
12034         copy_relocs_.
12035         * sparc.cc: Include "copy-relocs.h".
12036         (class Target_sparc): Change type of copy_relocs_ to variable,
12037         update initializer.
12038         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
12039         Change all callers.
12040         (Target_sparc::do_finalize_sections): Change handling of
12041         copy_relocs_.
12042         * x86_64.cc: Include "copy-relocs.h".
12043         (class Target_x86_64): Change type of copy_relocs_ to variable,
12044         update initializer.
12045         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
12046         class.  Change all callers.
12047         (Target_x86_64::do_finalize_sections): Change handling of
12048         copy_relocs_.
12049         * Makefile.am (CCFILES): Add copy-relocs.cc.
12050         (HFILES): Add copy-relocs.h.
12051
12052         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
12053
12054         * testsuite/script_test_4.sh: Permit leading zeroes.
12055
12056 2008-04-15  Ian Lance Taylor  <iant@google.com>
12057
12058         * script-sections.cc (Script_sections::create_segments): Use
12059         header_size_adjustment even when there is enough room for the
12060         headers.
12061         * testsuite/script_test_4.sh: New file.
12062         * testsuite/script_test_4.t: New file.
12063         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
12064         (check_DATA): Add script_test_4.stdout.
12065         (MOSTLYCLEANFILES): Likewise.
12066         (script_test_4): New target.
12067         (script_test_4.stdout): New target.
12068         * testsuite/Makefile.in: Rebuild.
12069
12070         * sparc.cc: Add definitions for Output_data_plt_sparc class
12071         constants.
12072
12073 2008-04-14  David S. Miller  <davem@davemloft.net>
12074
12075         * sparc.cc: New file.
12076         * Makefile.am (TARGETSOURCES): Add sparc.cc
12077         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
12078         * configure.tgt: Document targ_extra_size and
12079         targ_extra_big_endian.  Add entries for sparc-* and
12080         sparc64-*.
12081         * configure.ac: Handle targ_extra_size and
12082         targ_extra_big_endian.
12083         * Makefile.in: Rebuild.
12084         * configure: Likewise.
12085         * po/POTFILES.in: Likewise.
12086         * po/gold.pot: Likewise.
12087
12088 2008-04-14  Ian Lance Taylor  <iant@google.com>
12089
12090         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
12091         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
12092         in the name/type/flags to section mapping.  Don't call
12093         allocate_output_section.
12094         (Layout::choose_output_section): Change parameter from adjust_name
12095         to is_input_section.  Don't permit input sections after sections
12096         are attached to segments.  Don't call allocate_output_section.
12097         (Layout::layout_eh_frame): Call update_flags_for_input_section,
12098         not write_enable_output_section.
12099         (Layout::make_output_section): Don't push to
12100         unattached_section_list_ nor call attach_to_segment.  Call
12101         attach_section_to_segment if sections are attached.
12102         (Layout::attach_sections_to_segments): New function.
12103         (Layout::attach_section_to_segment): New function.
12104         (Layout::attach_allocated_section_to_segment): Rename from
12105         attach_to_segment.  Remove flags parameter.
12106         (Layout::allocate_output_section): Remove function.
12107         (Layout::write_enable_output_section): Remove function.
12108         * layout.h (class Layout): Update for above changes.  Add new
12109         field sections_are_attached_.
12110         * output.h (Output_section::update_flags_for_input_section): New
12111         function.
12112         * output.cc (Output_section::add_input_section): Call
12113         update_flags_for_input_section.
12114         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
12115
12116 2008-04-11  Cary Coutant  <ccoutant@google.com>
12117
12118         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
12119         thought unnecessary.
12120         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
12121
12122 2008-04-11  Ian Lance Taylor  <iant@google.com>
12123
12124         * output.h (class Output_section_data): Remove inline definition
12125         of set_addralign.
12126         * output.cc (Output_section_data::set_addralign): New function.
12127
12128 2008-04-11  Cary Coutant  <ccoutant@google.com>
12129
12130         Add support for TLS descriptors for i386 and x86_64.
12131         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
12132         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
12133         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
12134         GOT_TYPE_TLS_DESC.
12135         (Target_i386::got_mod_index_entry): Remove unnecessary code.
12136         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
12137         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
12138         relocations.
12139         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
12140         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
12141         Fix problem with initial-exec relocations.
12142         (Target_i386::Relocate::relocate_tls): Likewise.
12143         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
12144         relaxation.
12145         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
12146         support for section-plus-offset dynamic table entries.
12147         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
12148         (Output_data_dynamic::Dynamic_entry): Add support for
12149         section-plus-offset dynamic table entries.
12150         (Output_data_dynamic::Classification): Likewise.
12151         (Output_data_dynamic::classification_): Renamed offset_.
12152         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
12153         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
12154         (Target_x86_64::make_plt_section): New function.
12155         (Target_x86_64::reserve_tlsdesc_entries): New function.
12156         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
12157         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
12158         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
12159         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
12160         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
12161         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
12162         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
12163         add extra PLT entry for TLS descriptors.
12164         (Output_data_plt_x86_64::got_): New field.
12165         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12166         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12167         fields.
12168         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12169         descriptors.
12170         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12171         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12172         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12173         R_386_TLS_DESC_CALL relocations.
12174         (Target_x86_64::Scan::global): Likewise.
12175         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12176         for TLS descriptors.
12177         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12178         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12179         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12180         GD-to-IE relaxation.
12181         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12182         and TLS_DESCRIPTORS.
12183         * Makefile.in: Rebuild.
12184         * configure: Rebuild.
12185         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12186         (tls_test_shared2.so): New target.
12187         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12188         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12189         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12190         (tls_shared_gd_to_ie_test_LDADD): New variable.
12191         (tls_shared_gnu2_gd_to_ie_test): New target.
12192         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12193         New targets.
12194         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12195         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12196         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12197         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12198         (tls_shared_gnu2_test): New target.
12199         (tls_test_gnu2_shared.so): New target.
12200         (tls_shared_gnu2_test_SOURCES): New variable.
12201         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12202         (tls_shared_gnu2_test_LDFLAGS): New variable.
12203         (tls_shared_gnu2_test_LDADD): New variable.
12204         * testsuite/Makefile.in: Rebuild.
12205         * testsuite/Makefile.
12206
12207 2008-04-11  Ian Lance Taylor  <iant@google.com>
12208
12209         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12210         justsyms.t.
12211         * testsuite/Makefile.in: Rebuild.
12212
12213         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12214         long.
12215         * testsuite/script_test_2.cc (main): Adjust test.
12216
12217 2008-04-11  David S. Miller  <davem@davemloft.net>
12218             Ian Lance Taylor  <iant@google.com>
12219
12220         * options.h (General_options): Add entries for '-Y' and
12221         '-relax'.
12222         * options.cc (General_options:finalize): If -Y was used, add those
12223         entries to the library path instead of the default "/lib" and
12224         "/usr/lib".
12225
12226 2008-04-11  David S. Miller  <davem@davemloft.net>
12227
12228         * testsuite/justsyms.t: Start at 0x100.
12229         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12230         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12231         long.
12232         * testsuite/script_test_2.cc: Adjust string and section length
12233         checks.
12234
12235 2008-04-09  Ian Lance Taylor  <iant@google.com>
12236
12237         PR gold/5996
12238         * script-sections.cc (Sections_element::allocate_to_segment): Add
12239         orphan parameter.
12240         (Output_section_definition::allocate_to_segment): Likewise.
12241         (Orphan_output_section::allocate_to_segment): Likewise.
12242         (Script_sections::attach_sections_using_phdrs_clause): Don't
12243         propagate non-PT_LOAD segments to orphan sections.
12244         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12245         readelf rather than objdump.
12246         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12247         .interp section and PT_INTERP segment are the same size.
12248         * testsuite/Makefile.in: Rebuild.
12249
12250         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12251         aliases for symbols defined in the same object.
12252         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12253         (weak_alias_test_SOURCES): New variable.
12254         (weak_alias_test_DEPENDENCIES): New variable.
12255         (weak_alias_test_LDFLAGS): New variable.
12256         (weak_alias_test_LDADD): New variable.
12257         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12258         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12259         (weak_alias_test_3.o): New target.
12260         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12261         * testsuite/weak_alias_test_main.cc: New file.
12262         * testsuite/weak_alias_test_1.cc: New file.
12263         * testsuite/weak_alias_test_2.cc: New file.
12264         * testsuite/weak_alias_test_3.cc: New file.
12265
12266 2008-04-08  Ian Lance Taylor  <iant@google.com>
12267
12268         * options.h (class General_options): Add --noinhibit-exec option.
12269         * main.cc (main): Check --noinhibit-exec.
12270
12271         * options.h (class General_options): Define --wrap as a special
12272         option.  Add wrap_symbols_ field.
12273         (General_options::any_wrap_symbols): New function.
12274         (General_options::is_wrap_symbol): New function.
12275         * options.cc (General_options::parse_wrap): New function.
12276         (General_options::General_options): Initialize wrap_symbols_.
12277         * symtab.cc (Symbol_table::wrap_symbol): New function.
12278         (Symbol_table::add_from_object): Handle --wrap.
12279         * symtab.h (class Symbol_table): Declare wrap_symbol.
12280         * target.h (Target::wrap_char): New function.
12281         (Target::Target_info): Add wrap_char field.
12282         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12283         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12284         * testsuite/testfile.cc (Target_test::test_target_info):
12285         Likewise.
12286
12287         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12288         there is one.
12289
12290         * layout.h (class Layout): Add added_eh_frame_data_ field.
12291         * layout.cc (Layout::Layout): Initialize new field.
12292         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12293         output section until we find a section we merged successfully.
12294         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12295         that the size be non-zero.
12296
12297         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12298         qualifier.
12299
12300 2008-04-08  Craig Silverstein  <csilvers@google.com>
12301
12302         * configure.ac: Export new conditional variable HAVE_ZLIB.
12303         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12304         on HAVE_ZLIB.
12305         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12306         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12307
12308 2008-04-07  Ian Lance Taylor  <iant@google.com>
12309
12310         * version.cc (version_string): Set to "1.5".
12311
12312         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12313         Add issued_non_pic_error_ field.  Declare check_non_pic.
12314         (Target_x86_64::Scan::check_non_pic): New function.
12315         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12316         (Target_x86_64::Scan::global): Likewise.
12317
12318         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12319         addend parameter.  Change caller.  Handle merge sections.
12320         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12321         Address to Addend.  Don't add in the result of
12322         local_section_offset, pass down the addend and use the returned
12323         value.
12324         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12325         Update declarations of local_section_offset and symbol_value.
12326         * testsuite/two_file_test_1.cc (t18): New function.
12327         * testsuite/two_file_test_2.cc (f18): New function.
12328         * testsuite/two_file_test_main.cc (main): Call t18.
12329         * testsuite/two_file_test.h (t18, f18): Declare.
12330
12331         * configure.ac: Don't test for objdump, c++filt, or readelf.
12332         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12333         conditionals.
12334         (TEST_READELF): New variable.
12335         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12336         (check_PROGRAMS): Add two_file_strip_test.
12337         (two_file_strip_test): New target.
12338         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12339         (two_file_same_shared_strip_test_SOURCES): New variable.
12340         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12341         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12342         (two_file_same_shared_strip_test_LDADD): New variable.
12343         (two_file_shared_strip.so): New target.
12344         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12345         (ver_test_5.syms, ver_test_7.syms): Likewise.
12346         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12347         (strip_test_3.stdout): Use TEST_OBJDUMP.
12348         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12349
12350 2008-04-04  Cary Coutant  <ccoutant@google.com>
12351
12352         * symtab.h (Symbol::is_weak_undefined): New function.
12353         (Symbol::is_strong_undefined): New function.
12354         (Symbol::is_absolute): New function.
12355         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12356         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12357         absolute symbols.
12358         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12359         (weak_undef_test): New target.
12360         * testsuite/Makefile.in: Rebuild.
12361         * testsuite/weak_undef_file1.cc: New file.
12362         * testsuite/weak_undef_file2.cc: New file.
12363         * testsuite/weak_undef_test.cc: New file.
12364
12365 2008-04-03  Craig Silverstein  <csilvers@google.com>
12366
12367         * compressed_output.h (class Output_compressed_section): Use
12368         unsigned buffer.
12369         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12370         add zlib header.
12371         (zlib_compressed_suffix): Removed.
12372         (Output_compressed_section::set_final_data_size): Use unsigned
12373         buffers.
12374         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12375         Fix linker invocation.
12376         (flagstest_o_specialfile_and_compress_debug_sections):
12377         Likewise.
12378         * testsuite/Makefile.in: Regenerated.
12379
12380 2008-04-02  David S. Miller  <davem@davemloft.net>
12381
12382         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12383         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12384
12385 2008-04-02  Craig Silverstein  <csilvers@google.com>
12386
12387         * TODO: New file.
12388
12389 2008-04-02  Ian Lance Taylor  <iant@google.com>
12390
12391         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12392         parameters.  Update for new key type to views_.  Change all
12393         callers.
12394         (File_read::read): Adjust for byteshift in returned view.
12395         (File_read::add_view): New function, broken out of
12396         find_and_make_view.
12397         (File_read::make_view): New function, broken out of
12398         find_and_make_view.
12399         (File_read::find_or_make_view): Add offset and aligned
12400         parameters.  Rewrite accordingly.  Change all callers.
12401         (File_read::get_view): Add offset and aligned parameters.  Adjust
12402         for byteshift in return value.
12403         (File_read::get_lasting_view): Likewise.
12404         * fileread.h (class File_read): Update declarations.
12405         (class File_read::View): Add byteshift_ field.  Add byteshift to
12406         constructor.  Add byteshift method.
12407         * archive.h (Archive::clear_uncached_views): New function.
12408         (Archive::get_view): Add aligned parameter.  Change all callers.
12409         * object.h (Object::get_view): Add aligned parameter.  Change all
12410         callers.
12411         (Object::get_lasting_view): Likewise.
12412
12413         * fileread.cc (File_read::release): Don't call clear_views if
12414         there are multiple objects.
12415         * fileread.h (File_read::clear_uncached_views): New function.
12416         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12417         on the archive.
12418
12419 2008-03-31  Cary Coutant  <ccoutant@google.com>
12420
12421         Add thin archive support.
12422         * archive.cc (Archive::armagt): New const.
12423         (Archive::setup): Remove task parameter and calls to unlock.
12424         (Archive::unlock_nested_archives): New function.
12425         (Archive::read_header): Add nested_off parameter. Change
12426         all callers.
12427         (Archive::interpret_header): Likewise.
12428         (Archive::include_all_members): Change to handle thin
12429         archives.
12430         (Archive::include_member): Likewise.
12431         * archive.h (Archive::Archive): Add new parameters and
12432         initializers.
12433         (Archive::armagt): New const.
12434         (Archive::setup): Remove task parameter.
12435         (Archive::unlock_nested_archives): New function.
12436         (Archive::read_header): Add nested_off parameter.
12437         (Archive::interpret_header): Likewise.
12438         (Archive::Nested_archive_table): New typedef.
12439         (Archive::is_thin_archive_): New field.
12440         (Archive::nested_archives_): New field.
12441         (Archive::options_): New field.
12442         (Archive::dirpath_): New field.
12443         (Archive::task_): New field.
12444         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12445         for thin archives.  Pass additional parameters to
12446         Archive::Archive.  Unlock the archive file after calling
12447         Archive::setup.
12448
12449 2008-03-29  Ian Lance Taylor  <iant@google.com>
12450
12451         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12452         version symbol to be local.
12453         * testsuite/ver_test_4.sh: New file.
12454         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12455         (check_DATA): Add ver_test_4.syms.
12456         (ver_test_4.syms): New target.
12457         * testsuite/Makefile.in: Rebuild.
12458
12459         * output.cc
12460         (Output_section::Input_section_sort_entry::has_priority): New
12461         function.
12462         (Output_section::Input_section_sort_entry::match_file_name): New
12463         function.
12464         (Output_section::Input_section_sort_entry::match_section_name):
12465         Remove.
12466         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12467         Remove.
12468         (Output_section::Input_section_sort_entry::match_section_file):
12469         Remove.
12470         (Output_section::Input_section_sort_compare::operator()): Rewrite
12471         using new Input_section_sort_entry functions.  Sort crtbegin and
12472         crtend first.  Sort sections with no priority before sections with
12473         a priority.
12474         * testsuite/initpri1.c (d3): Check j != 4.
12475         (cd5): New constructor/destructor function.
12476         (main): Check j != 2.
12477
12478         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12479         new symbol when resolving, don't call set_is_default.
12480         * testsuite/ver_test_7.cc: New file.
12481         * testsuite/ver_test_7.sh: New file.
12482         * testsuite/Makefile.am (ver_test_7.so): New target.
12483         (ver_test_7.o): New target.
12484         (check_SCRIPTS): Add ver_test_7.sh.
12485         (check_DATA): Add ver_test_7.syms.
12486         (ver_test_7.syms): New target.
12487
12488 2008-03-28  Ian Lance Taylor  <iant@google.com>
12489
12490         * layout.cc (Layout::layout): If we see an input section with a
12491         name that needs sorting, set the must_sort flag for the output
12492         section.
12493         (Layout::make_output_section): If the name of the output section
12494         indicates that it might require sorting, set the may_sort flag.
12495         * output.h (Output_section::may_sort_attached_input_sections): New
12496         function.
12497         (Output_section::set_may_sort_attached_input_sections): New
12498         function.
12499         (Output_section::must_sort_attached_input_sections): New
12500         function.
12501         (Output_section::set_must_sort_attached_input_sections): New
12502         function.
12503         (class Output_section): Declare Input_section_sort_entry.  Define
12504         Input_section_sort_compare.  Declare
12505         sort_attached_input_sections.  Add new fields:
12506         may_sort_attached_input_sections_,
12507         must_sort_attached_input_sections_,
12508         attached_input_sections_are_sorted_.
12509         * output.cc (Output_section::Output_section): Initialize new
12510         fields.
12511         (Output_section::add_input_section): Add an entry to
12512         input_sections_ if may_sort or must_sort are true.
12513         (Output_section::set_final_data_size): Call
12514         sort_attached_input_sections if necessary.
12515         (Output_section::Input_section_sort_entry): Define new class.
12516         (Output_section::Input_section_sort_compare::operator()): New
12517         function.
12518         (Output_section::sort_attached_input_sections): New function.
12519         * configure.ac: Check whether the compiler supports constructor
12520         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12521         * testsuite/initpri1.c: New file.
12522         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12523         CONSTRUCTOR_PRIORITY.
12524         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12525         (initpri1_LDFLAGS): New variable.
12526         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12527
12528 2008-03-27  Ian Lance Taylor  <iant@google.com>
12529
12530         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12531         * testsuite/common_test_1.c: New file.
12532         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12533         (common_test_1_SOURCES): New variable.
12534         (common_test_1_DEPENDENCIES): New variable.
12535         (common_test_1_LDFLAGS): New variable.
12536
12537         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12538         and commons_ correctly when NAME/VERSION does not override
12539         NAME/NULL.
12540         * testsuite/ver_test_6.c: New file.
12541         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12542         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12543         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12544
12545 2008-03-26  Ian Lance Taylor  <iant@google.com>
12546
12547         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12548         of an undefined symbol from a version script.
12549         * testsuite/Makefile.am (ver_test_5.so): New target.
12550         (ver_test_5.o): New target.
12551         (check_SCRIPTS): Add ver_test_5.sh.
12552         (check_DATA): Add ver_test_5.syms.
12553         (ver_test_5.syms): New target.
12554         * testsuite/ver_test_5.cc: New file.
12555         * testsuite/ver_test_5.script: New file.
12556         * testsuite/ver_test_5.sh: New file.
12557         * Makefile.in, testsuite/Makefile.in: Rebuild.
12558
12559         PR gold/5986
12560         Fix problems building gold with gcc 4.3.0.
12561         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12562         (gold_error_at_location, gold_warning_at_location): Use it.
12563         * configure.ac: Check whether we can compile and use a template
12564         function with a printf attribute.
12565         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12566         when jumping over bytes.
12567         * object.cc: Instantiate Object::read_section_data.
12568         * debug.h: Include <cstring>
12569         * dwarf_reader.cc: Include <algorithm>
12570         * main.cc: Include <cstring>.
12571         * options.cc: Include <cstring>.
12572         * output.cc: Include <cstring>.
12573         * script.cc: Include <cstring>.
12574         * script.h: Include <string>.
12575         * symtab.cc: Include <cstring> and <algorithm>.
12576         * target-select.cc: Include <cstring>.
12577         * version.cc: Include <string>.
12578         * testsuite/testmain.cc: Include <cstdlib>.
12579         * configure, config.in: Rebuild.
12580
12581 2008-03-25  Ian Lance Taylor  <iant@google.com>
12582
12583         * options.cc: Include "../bfd/bfdver.h".
12584         (options::help): Print bug reporting address.
12585
12586         * version.cc (print_version): Adjust output for current value of
12587         BFD_VERSION_STRING.
12588
12589         * NEWS: New file.
12590
12591         * options.cc (options::help): Print list of supported targets.
12592         * target-select.h: Include <vector>.
12593         (class Target_selector): Make machine_, size_, and is_big_endian_
12594         fields const.  Add bfd_name_ and instantiated_target_ fields.
12595         (Target_selector::Target_selector): Add bfd_name parameter.
12596         (Target_selector::recognize): Make non-virtual, call
12597         do_recognize.
12598         (Target_selector::recognize_by_name): Make non-virtual, call
12599         do_recognize_by_name.
12600         (Target_selector::supported_names): New function.
12601         (Target_selector::bfd_name): New function.
12602         (Target_selector::do_instantiate_target): New pure virtual
12603         function.
12604         (Target_selector::do_recognize): New virtual function.
12605         (Target_selector::do_recognize_by_name): New virtual function.
12606         (Target_selector::instantiate_target): New private function.
12607         (supported_target_names): Declare.
12608         * target-select.cc (Target_selector::Target_selector): Update for
12609         new parameter and fields.
12610         (select_target_by_name): Check that the name matches before
12611         calling recognize_by_name.
12612         (supported_target_names): New function.
12613         * i386.cc (class Target_selector_i386): Update Target_selector
12614         constructor call.  Remove recognize and recognize_by_name.  Add
12615         do_instantiate_target.
12616         * x86_64.cc (class Target_selector_x86_64): Likewise.
12617         * testsuite/testfile.cc (class Target_selector_test): Update for
12618         changes to Target_selector.
12619
12620         * README: Rewrite, with some notes on unsupported features.
12621
12622 2008-03-24  Cary Coutant  <ccoutant@google.com>
12623
12624         * i386.cc (Target_i386::Got_type): New enum declaration.
12625         (Target_i386::Scan::local): Updated callers of Output_data_got
12626         member functions.
12627         (Target_i386::Scan::global): Likewise.
12628         (Target_i386::Relocate::relocate): Likewise.
12629         (Target_i386::Relocate::relocate_tls): Likewise.
12630         * object.h (Got_offset_list): New class.
12631         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12632         (Sized_relobj::local_got_offset): Likewise.
12633         (Sized_relobj::set_local_got_offset): Likewise.
12634         (Sized_relobj::local_has_tls_got_offset): Removed.
12635         (Sized_relobj::local_tls_got_offset): Removed.
12636         (Sized_relobj::set_local_tls_got_offset): Removed.
12637         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12638         * output.cc (Output_data_got::add_global): Added got_type parameter.
12639         (Output_data_got::add_global_with_rel): Likewise.
12640         (Output_data_got::add_global_with_rela): Likewise.
12641         (Output_data_got::add_global_pair_with_rel): New function.
12642         (Output_data_got::add_global_pair_with_rela): New function.
12643         (Output_data_got::add_local): Added got_type parameter.
12644         (Output_data_got::add_local_with_rel): Likewise.
12645         (Output_data_got::add_local_with_rela): Likewise.
12646         (Output_data_got::add_local_pair_with_rel): New function.
12647         (Output_data_got::add_local_pair_with_rela): New function.
12648         (Output_data_got::add_global_tls): Removed.
12649         (Output_data_got::add_global_tls_with_rel): Removed.
12650         (Output_data_got::add_global_tls_with_rela): Removed.
12651         (Output_data_got::add_local_tls): Removed.
12652         (Output_data_got::add_local_tls_with_rel): Removed.
12653         (Output_data_got::add_local_tls_with_rela): Removed.
12654         * output.h (Output_data_got::add_global): Added got_type parameter.
12655         (Output_data_got::add_global_with_rel): Likewise.
12656         (Output_data_got::add_global_with_rela): Likewise.
12657         (Output_data_got::add_global_pair_with_rel): New function.
12658         (Output_data_got::add_global_pair_with_rela): New function.
12659         (Output_data_got::add_local): Added got_type parameter.
12660         (Output_data_got::add_local_with_rel): Likewise.
12661         (Output_data_got::add_local_with_rela): Likewise.
12662         (Output_data_got::add_local_pair_with_rel): New function.
12663         (Output_data_got::add_local_pair_with_rela): New function.
12664         (Output_data_got::add_global_tls): Removed.
12665         (Output_data_got::add_global_tls_with_rel): Removed.
12666         (Output_data_got::add_global_tls_with_rela): Removed.
12667         (Output_data_got::add_local_tls): Removed.
12668         (Output_data_got::add_local_tls_with_rel): Removed.
12669         (Output_data_got::add_local_tls_with_rela): Removed.
12670         * resolve.cc (Symbol::override_base_with_special): Removed
12671         reference to has_got_offset_ field.
12672         * symtab.cc (Symbol::init_fields): Replaced initialization
12673         of got_offset_ with got_offsets_.  Removed initialization
12674         of has_got_offset_
12675         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12676         (Symbol::got_offset): Likewise.
12677         (Symbol::set_got_offset): Likewise.
12678         (Symbol::has_tls_got_offset): Removed.
12679         (Symbol::tls_got_offset): Removed.
12680         (Symbol::set_tls_got_offset): Removed.
12681         (Symbol::got_offset_): Removed.
12682         (Symbol::tls_mod_got_offset_): Removed.
12683         (Symbol::tls_pair_got_offset_): Removed.
12684         (Symbol::got_offsets_): New field.
12685         (Symbol::has_got_offset): Removed.
12686         (Symbol::has_tls_mod_got_offset): Removed.
12687         (Symbol::has_tls_pair_got_offset): Removed.
12688         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12689         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12690         member functions.
12691         (Target_x86_64::Scan::global): Likewise.
12692         (Target_x86_64::Relocate::relocate): Likewise.
12693         (Target_x86_64::Relocate::relocate_tls): Likewise.
12694
12695 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12696
12697         * yyscript.y: Fix spelling error in comment.
12698
12699 2008-03-24  Ian Lance Taylor  <iant@google.com>
12700
12701         * options.h (class General_options): Define build_id option.
12702         * layout.h (class Layout): Declare write_build_id, create_note,
12703         create_build_id.  Add build_id_note_ member.
12704         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12705         "libiberty.h", "md5.h", "sha1.h".
12706         (Layout::Layout): Initialize eh_frame_data_,
12707         eh_frame_hdr_section_, and build_id_note_.
12708         (Layout::finalize): Call create_build_id.
12709         (Layout::create_note): New function, broken out of
12710         Layout::create_gold_note.
12711         (Layout::create_gold_note): Call create_note.
12712         (Layout::create_build_id): New function.
12713         (Layout::write_build_id): New function.
12714         (Close_task_runner::run): Call write_build_id.
12715
12716         * x86_64.cc: Correct license to GPLv3.
12717
12718 2008-03-23  Ian Lance Taylor  <iant@google.com>
12719
12720         * options.cc: Include "demangle.h".
12721         (parse_optional_string): New function.
12722         (parse_long_option): Handle takes_optional_argument.
12723         (parse_short_option): Update dash_z initializer.  Handle
12724         takes_optional_argument.
12725         (General_options::General_options): Initialize do_demangle_.
12726         (General_options::finalize): Set do_demangle_.  Handle demangling
12727         style.
12728         * options.h (parse_optional_string): Declare.
12729         (struct One_option): Add optional_arg field.  Update constructor.
12730         Update call constructor calls.  Add takes_optional_argument
12731         function.
12732         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12733         (DEFINE_optional_string): Define.
12734         (General_options::demangle): Change from DEFINE_bool to
12735         DEFINE_optional_string.
12736         (General_options::no_demangle): New function.
12737         (General_options::do_demangle): New function.
12738         (General_options::set_do_demangle): New function.
12739         (General_options::execstack_status_): Move definition to end of
12740         class definition.
12741         (General_options::static_): Likewise.
12742         (General_options::do_demangle_): New field.
12743         * object.cc (big_endian>::get_symbol_location_info): Call
12744         Options::do_demangle, not Options::demangle.
12745         * symtab.cc (demangle): Likewise.
12746
12747 2008-03-22  Ian Lance Taylor  <iant@google.com>
12748
12749         * gold.h: Include <cstddef> and <sys/types.h>
12750         * options.h: Include <cstring>.
12751
12752 2008-03-21  Ian Lance Taylor  <iant@google.com>
12753
12754         * Added source code to GNU binutils.