gold/ChangeLog

   1 2012-04-05  Nick Clifton  <nickc@redhat.com>
   2
   3         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
   4         (AM_LC_MESSAGES): Add.
   5         * aclocal.m4: Regenerate.
   6         * config.in: Regenerate.
   7         * configure: Regenerate.
   8
   9 2012-03-21  Cary Coutant  <ccoutant@google.com>
  10
  11         * Makefile.am: Add gdb-index.cc, gdb-index.h.
  12         * Makefile.in: Regenerate.
  13         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
  14         (Sized_elf_reloc_mapper::symbol_section): New function.
  15         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
  16         (make_elf_reloc_mapper): New function.
  17         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
  18         (Dwarf_abbrev_table::do_read_abbrevs): New function.
  19         (Dwarf_abbrev_table::do_get_abbrev): New function.
  20         (Dwarf_ranges_table::read_ranges_table): New function.
  21         (Dwarf_ranges_table::read_range_list): New function.
  22         (Dwarf_pubnames_table::read_section): New function.
  23         (Dwarf_pubnames_table::read_header): New function.
  24         (Dwarf_pubnames_table::next_name): New function.
  25         (Dwarf_die::Dwarf_die): New function.
  26         (Dwarf_die::read_attributes): New function.
  27         (Dwarf_die::skip_attributes): New function.
  28         (Dwarf_die::set_name): New function.
  29         (Dwarf_die::set_linkage_name): New function.
  30         (Dwarf_die::attribute): New function.
  31         (Dwarf_die::string_attribute): New function.
  32         (Dwarf_die::int_attribute): New function.
  33         (Dwarf_die::uint_attribute): New function.
  34         (Dwarf_die::ref_attribute): New function.
  35         (Dwarf_die::child_offset): New function.
  36         (Dwarf_die::sibling_offset): New function.
  37         (Dwarf_info_reader::check_buffer): New function.
  38         (Dwarf_info_reader::parse): New function.
  39         (Dwarf_info_reader::do_parse): New function.
  40         (Dwarf_info_reader::do_read_string_table): New function.
  41         (Dwarf_info_reader::lookup_reloc): New function.
  42         (Dwarf_info_reader::get_string): New function.
  43         (Dwarf_info_reader::visit_compilation_unit): New function.
  44         (Dwarf_info_reader::visit_type_unit): New function.
  45         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
  46         Sized_elf_reloc_mapper.
  47         (Sized_dwarf_line_info::symbol_section): Remove function.
  48         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
  49         (Sized_dwarf_line_info::read_line_mappings): Remove object
  50         parameter, adjust callers.
  51         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
  52         * dwarf_reader.h: Include <sys/types.h>.
  53         (class Track_relocs): Remove forward declaration.
  54         (class Elf_reloc_mapper): New class.
  55         (class Sized_elf_reloc_mapper): New class.
  56         (class Dwarf_abbrev_table): New class.
  57         (class Dwarf_range_list): New class.
  58         (class Dwarf_ranges_table): New class.
  59         (class Dwarf_pubnames_table): New class.
  60         (class Dwarf_die): New class.
  61         (class Dwarf_info_reader): New class.
  62         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
  63         (Sized_dwarf_line_info::symbol_section): Remove member function.
  64         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
  65         base class.
  66         * gdb-index.cc: New source file.
  67         * gdb-index.h: New source file.
  68         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
  69         and .debug_types sections, call Layout::add_to_gdb_index.
  70         (Sized_relobj_incr::do_section_name): Implement.
  71         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
  72         return type; Implement.
  73         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
  74         return type.
  75         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
  76         parameter list and return type.
  77         (Sized_incr_dynobj::do_section_contents): Likewise.
  78         * layout.cc: Include gdb-index.h.
  79         (Layout::Layout): Initialize gdb_index_data_.
  80         (Layout::init_fixed_output_section): Check for .gdb_index section.
  81         (Layout::add_to_gdb_index): New function. Instantiate.
  82         * layout.h: Add forward declaration for class Gdb_index.
  83         (Layout::add_to_gdb_index): New member function.
  84         (Layout::gdb_index_data_): New data member.
  85         * main.cc: Include gdb-index.h.
  86         (main): Print statistics for gdb index.
  87         * object.cc (Object::section_contents): Move code into
  88         do_section_contents.
  89         (need_decompressed_section): Check for sections needed when building
  90         gdb index.
  91         (build_compressed_section_map): Likewise.
  92         (Sized_relobj_file::do_read_symbols): Need local symbols when building
  93         gdb index.
  94         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
  95         sections; call Layout::add_to_gdb_index.
  96         (Sized_relobj_file::do_decompressed_section_contents): Call
  97         do_section_contents directly.
  98         * object.h (Object::do_section_contents): Adjust parameter list and
  99         return type.
 100         (Object::do_decompressed_section_contents): Call do_section_contents
 101         directly.
 102         (Sized_relobj_file::do_section_contents): Adjust parameter list and
 103         return type.
 104         * options.h (class General_options): Add --gdb-index option.
 105         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
 106         list and return type.
 107         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
 108         * reloc.h (Track_relocs::checkpoint): New function.
 109         (Track_relocs::reset): New function.
 110
 111         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
 112         New test cases.
 113         * testsuite/Makefile.in: Regenerate.
 114         * testsuite/gdb_index_test.cc: New test source file.
 115         * testsuite/gdb_index_test_1.sh: New test source file.
 116         * testsuite/gdb_index_test_2.sh: New test source file.
 117
 118 2012-03-19  Doug Kwan  <dougkwan@google.com>
 119
 120         * arm.cc (Target_arm::do_define_standard_symbols): New method.
 121         (Target_arm::do_finalize_sections): Remove code which defines
 122         __exidx_start and __exidx_end.  Make symbol table parameter
 123         anonymous as it is not used.
 124         * gold.cc (queue_middle_tasks): Call target hook to define any
 125         target-specific symbols.
 126         * target.h (Target::define_standard_symbols): New method.
 127         (Target::do_define_standard_symbols): Same.
 128         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
 129         * testsuite/Makefile.in: Regenerate.
 130         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
 131         and __exidx_end.
 132         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
 133         relocations are generated for __exidx_start and __exidx_end.
 134
 135 2012-03-16  Doug Kwan  <dougkwan@google.com>
 136
 137         * testsuite/Makefile.am: Disable test initpri3b.
 138         * testsuite/Makefile.in: Regenerate.
 139
 140 2012-03-15  Doug Kwan  <dougkwan@google.com>
 141
 142         * arm.cc (Target_arm::got_section): Make .got section read-only
 143         if -z now is given.
 144
 145 2012-03-15  Ian Lance Taylor  <iant@google.com>
 146
 147         PR gold/13850
 148         * layout.cc (Layout::make_output_section): Correctly mark
 149         SHT_INIT_ARRAY, et. al., as relro.
 150
 151 2012-03-14  Doug Kwan  <dougkwan@google.com>
 152
 153         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
 154         dynamic relocations for protected symbols in shared objects.
 155
 156 2012-03-13  Ian Lance Taylor  <iant@google.com>
 157
 158         * resolve.cc (Symbol_table::resolve): When merging common symbols,
 159         keep the larger alignment.
 160
 161 2012-03-12  Cary Coutant  <ccoutant@google.com>
 162
 163         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
 164         handling of DW_LNE_define_file.
 165
 166 2012-03-12  Cary Coutant  <ccoutant@google.com>
 167
 168         * reduced_debug_output.cc
 169         (Output_reduced_debug_info_section::get_die_end): Add new FORM
 170         codes to switch.
 171
 172 2012-02-29  Cary Coutant  <ccoutant@google.com>
 173
 174         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
 175
 176 2012-02-29  Cary Coutant  <ccoutant@google.com>
 177
 178         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 179         Call Object::decompressed_section_contents.
 180         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
 181         New dtor.
 182         (Sized_dwarf_line_info::buffer_start_): New data member.
 183         * merge.cc (Output_merge_data::do_add_input_section): Call
 184         Object::decompressed_section_contents.
 185         (Output_merge_string::do_add_input_section): Likewise.
 186         * object.cc (need_decompressed_section): New function.
 187         (build_compressed_section_map): Decompress sections needed later.
 188         (Sized_relobj_file::do_decompressed_section_contents): New function.
 189         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 190         * object.h (Object::decompressed_section_contents): New function.
 191         (Object::discard_decompressed_sections): New function.
 192         (Object::do_decompressed_section_contents): New function.
 193         (Object::do_discard_decompressed_sections): New function.
 194         (Compressed_section_info): New type.
 195         (Compressed_section_map): Include decompressed section contents.
 196         (Sized_relobj_file::do_decompressed_section_contents): New function.
 197         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 198
 199 2012-02-16  Cary Coutant  <ccoutant@google.com>
 200
 201         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
 202         * testsuite/Makefile.in: Regenerate.
 203
 204 2012-02-14  Cary Coutant  <ccoutant@google.com>
 205
 206         * options.cc (General_options::finalize): Disallow -pie and -static.
 207
 208 2012-02-03  Doug Kwan  <dougkwan@google.com>
 209
 210         * arm.cc (Arm_relocate_functions::abs8,
 211         Arm_relocate_functions::abs16): Use
 212         Bits::has_signed_unsigned_overflow32.
 213         (Arm_relocate_functions::thm_abs8): Correct range of
 214         overflow check.
 215         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
 216         in assertions.
 217
 218 2012-02-02  Doug Kwan  <dougkwan@google.com>
 219
 220         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
 221         position independent outputs, not just shared objects.
 222
 223 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
 224
 225         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
 226         * configure: Regenerated.
 227
 228 2012-01-27  Ian Lance Taylor  <iant@google.com>
 229
 230         * reloc.h (Bits): New class with static functions, copied from
 231         namespace utils in arm.cc.
 232         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
 233         instead.
 234
 235 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 236
 237         * incremental.cc (write_info_blocks): Correct relocation offset.
 238
 239 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 240
 241         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
 242         (Relocate::tls_gd_to_le): Likewise.
 243
 244 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 245
 246         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
 247
 248 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 249
 250         * configure.ac: Check if -mcmodel=medium works.
 251         * configure: Regenerated.
 252
 253 2012-01-24  Cary Coutant  <ccoutant@google.com>
 254
 255         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
 256         definition and ...
 257         (read_unsigned_LEB_128_x): ... this new function.
 258         (read_signed_LEB_128): Replaced with inline definition and ...
 259         (read_signed_LEB_128_x): ... this new function.
 260         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
 261         (read_unsigned_LEB_128): Add inline definition.
 262         (read_signed_LEB_128_x): New function.
 263         (read_signed_LEB_128): Add inline definition.
 264         * testsuite/Makefile.am (leb128_unittest): New unit test.
 265         * testsuite/Makefile.in: Regenerate.
 266         * testsuite/leb128_unittest.cc: New unit test.
 267
 268 2012-01-23  Ian Lance Taylor  <iant@google.com>
 269
 270         PR gold/13617
 271         * i386.cc (Target_i386::do_code_fill): When using a jmp
 272         instruction, pad with nop instructions.
 273         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 274
 275 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 276
 277         * x86_64.cc (gc_process_relocs): Add typename on types used in
 278         template.
 279         (scan_relocs): Likewise.
 280         (relocate_section): Likewise.
 281         (apply_relocation): Likewise.
 282
 283 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
 284
 285         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
 286         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
 287         under x32.
 288
 289 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 290
 291         * x86_64.cc: Initial support for x32.
 292
 293 2012-01-03  Cary Coutant  <ccoutant@google.com>
 294
 295         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
 296         Use abstract base class for GOT.
 297         * gold/output.h (class Output_data_got_base): New abstract base class.
 298         (class Output_data_got): Derive from new base class, adjust ctors.
 299         (Output_data_got::reserve_slot): Make virtual; rename to
 300         do_reserve_slot; Adjust callers.
 301         * gold/target.h (Sized_target::init_got_plt_for_update): Return
 302         pointer to abstract base class.
 303         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
 304
 305 2011-12-18  Ian Lance Taylor  <iant@google.com>
 306
 307         * object.h (Relobj::local_symbol_value): New function.
 308         (Relobj::local_plt_offset): New function.
 309         (Relobj::local_has_got_offset): New function.
 310         (Relobj::local_got_offset): New function.
 311         (Relobj::set_local_got_offset): New function.
 312         (Relobj::do_local_symbol_value): New pure virtual function.
 313         (Relobj::do_local_plt_offset): Likewise.
 314         (Relobj::do_local_has_got_offset): Likewise.
 315         (Relobj::do_local_got_offset): Likewise.
 316         (Relobj::do_set_local_got_offset): Likewise.
 317         (Sized_relobj::do_local_has_got_offset): Rename from
 318         local_has_got_offset.
 319         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
 320         (Sized_relobj::do_set_local_got_offset): Rename from
 321         set_local_got_offset.
 322         (Sized_relobj_file::do_local_plt_offset): Rename from
 323         local_plt_offset.
 324         (Sized_relobj_file::do_local_symbol_value): New function.
 325         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 326         local_plt_offset.
 327         * output.cc (Output_data_got::Got_entry::write): Change object to
 328         Relobj.  Use local_symbol_value.
 329         (Output_data_got::add_global_with_rel): Change rel_dyn to
 330         Output_data_reloc_generic*.  Use add_global_generic.
 331         (Output_data_got::add_global_with_rela): Remove.  Change all
 332         callers to use add_global_with_rel.
 333         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 334         Output_data_reloc_generic*.  Use add_global_generic.
 335         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 336         callers to use add_global_pair_with_rel.
 337         (Output_data_got::add_local): Change object to Relobj*.
 338         (Output_data_got::add_local_plt): Likewise.
 339         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 340         change rel_dyn to Output_data_reloc_generic*.  Use
 341         add_local_generic.
 342         (Output_data_got::add_local_with_rela): Remove.  Change all
 343         callers to use all_local_with_rel.
 344         (Output_data_got::add_local_pair_with_rel): Change object to
 345         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 346         add_output_section_generic.
 347         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 348         callers to use add_local_pair_with_rel.
 349         (Output_data_got::reserve_local): Change object to Relobj*.
 350         * output.h: (class Output_data_reloc_generic): Add pure virtual
 351         declarations for add_global_generic, add_local_generic,
 352         add_output_section_generic.
 353         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 354         functions for Output_data_reloc_generic.  Update declarations for
 355         changes listed in output.cc.
 356         (class Output_data_got): Change template parameter to got_size.
 357         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 358         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 359         function.
 360         (Sized_relobj_incr::do_local_plt_offset): New function.
 361         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 362         add_global_generic.
 363
 364 2011-12-17  Cary Coutant  <ccoutant@google.com>
 365
 366         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 367         * resolve.cc (Symbol_table::resolve): Likewise.
 368         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 369         arrays.
 370         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 371
 372 2011-12-16  Ian Lance Taylor  <iant@google.com>
 373
 374         * output.h (Output_data_reloc_generic::add): Only call
 375         add_dynamic_reloc if this is a dynamic reloc section.
 376
 377 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 378
 379         PR gold/13505
 380         * target-reloc.h (apply_relocation): Replace <64, false> with
 381         <size, big_endian>.
 382
 383 2011-11-25  Nick Clifton  <nickc@redhat.com>
 384
 385         * po/it.po: New Italian translation.
 386
 387 2011-11-17  Sterling Augustine  <saugustine@google.com>
 388
 389         * script.cc (script_include_directive): Implement.
 390         (read_script_file): New local variables name and search_path. Update
 391         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 392         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 393         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 394
 395 2011-11-11  Sterling Augustine  <saugustine@google.com>
 396
 397         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 398         (file_or_sections_cmd): Likewise.
 399
 400 2011-11-11  Doug Kwan  <dougkwan@google.com>
 401
 402         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 403         if --just-symbols is given.
 404
 405 2011-11-10  Doug Kwan  <dougkwan@google.com>
 406
 407         PR gold/13362
 408         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 409         when processing data relocs.
 410         * reloc.h (Relocate_functions::rel_unaligned): New method.
 411         (Relocate_functions::pcrel_unaligned): Ditto.
 412         (Relocate_functions::rel32_unaligned): Ditto.
 413         (Relocate_functions::pcrel32_unaligned): Ditto.
 414
 415 2011-11-09  Doug Kwan  <dougkwan@google.com>
 416
 417         PR gold/13362
 418         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 419         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 420         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 421         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 422         (Relocate_functions::rel_unaligned): New.
 423         (Relocate_functions::rel32_unaligned): New.
 424         * target-reloc.h (relocate_for_relocatable): Add code to handle
 425         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 426         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 427         arm_unaligned_reloc_r): New targets.
 428         * testsuite/Makefile.in: Regenerate.
 429         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 430         linking.
 431
 432 2011-11-02  Ian Lance Taylor  <iant@google.com>
 433
 434         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 435         NATIVE_LINKER.
 436         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 437         * options.cc (General_options::finalize): Use library search path
 438         from configure script if specified.  If not native and no sysroot,
 439         only search TOOLLIBDIR.
 440         * options.h (Search_directory::Search_directory): Change name to
 441         const std::string&.
 442         (General_options::add_to_library_path_with_sysroot): Change arg to
 443         const std::string&.
 444         * configure, Makefile.in, config.in: Rebuild.
 445
 446 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 447
 448         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 449         we are working around the ARM1176 Erratum.
 450         * options.h (General_options::fix_arm1176): Add option.
 451         * testsuite/Makefile.am: Add testcases, and keep current ones
 452         working.
 453         * testsuite/Makefile.in: Regenerate.
 454         * testsuite/arm_fix_1176.s: New file.
 455         * testsuite/arm_fix_1176.sh: Likewise.
 456
 457 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 458
 459         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 460         may_use_blx_.
 461         (Target_arm::may_use_blx): Remove method.
 462         (Target_arm::set_may_use_blx): Likewise.
 463         (Target_arm::may_use_v4t_interworking): New method.
 464         (Target_arm::may_use_v5t_interworking): Likewise.
 465         (Target_arm::may_use_blx_): Remove member variable.
 466         (Arm_relocate_functions::arm_branch_common): Check for v5T
 467         interworking.
 468         (Arm_relocate_functions::thumb_branch_common): Likewise.
 469         (Reloc_stub::stub_type_for_reloc): Likewise.
 470         (Target_arm::do_finalize_sections): Correct interworking checks.
 471         * testsuite/Makefile.am: Add new tests.
 472         * testsuite/Makefile.in: Regenerate.
 473         * testsuite/arm_farcall_arm_arm.s: New test.
 474         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 475         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 476         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 477         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 478         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 479         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 480         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 481
 482 2011-10-31  Cary Coutant  <ccoutant@google.com>
 483
 484         PR gold/13023
 485         * expression.cc (Expression::eval_with_dot): Add
 486         is_section_dot_assignment parameter.
 487         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 488         absolute and assigning to dot within a section.
 489         * script-sections.cc
 490         (Output_section_element_assignment::set_section_addresses): Pass
 491         dot_section to set_if_absolute.
 492         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 493         as is_section_dot_assignment flag to eval_with_dot.
 494         (Output_section_element_dot_assignment::set_section_addresses):
 495         Likewise.
 496         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 497         parameter.  Also set value if relative to dot_section; set the
 498         symbol's output_section.
 499         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 500         parameter.  Adjust all callers.
 501         (Expression::eval_maybe_dot): Likewise.
 502         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 503         Adjust all callers.
 504         * testsuite/script_test_2.t: Test assignment of an absolute value
 505         to dot within an output section element.
 506
 507 2011-10-31  Cary Coutant  <ccoutant@google.com>
 508
 509         * options.h (class General_options): Add --[no-]gnu-unique options.
 510         * symtab.cc (Symbol_table::sized_write_globals): Convert
 511         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 512
 513 2011-10-31  Cary Coutant  <ccoutant@google.com>
 514
 515         PR gold/13359
 516         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 517         unnecessary assertion.
 518         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 519
 520 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 521
 522         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 523         gc_mark_symbol.
 524         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 525         gc_mark_symbol.
 526         Change to just keep the section associated with symbol.
 527         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 528         they are externally visible and --export-dynamic is turned on.
 529         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 530
 531 2011-10-19  Ian Lance Taylor  <iant@google.com>
 532
 533         PR gold/13163
 534         * script-sections.cc
 535         (Output_section_element_dot_assignment::needs_output_section): New
 536         function.
 537
 538 2011-10-19  Ian Lance Taylor  <iant@google.com>
 539
 540         PR gold/13204
 541         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 542         --section-start option was seen.
 543         * options.h (General_options::any_section_start): New function.
 544
 545 2011-10-18  David S. Miller  <davem@davemloft.net>
 546
 547         PR binutils/13301
 548         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 549         member to track relocation locations that have moved during TLS
 550         reloc optimizations.
 551         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 552         (Target_sparc::Relocate::relocate): Adjust view down by 4
 553         bytes if it matches reloc_adjust_addr_.
 554         (Target_sparc::Relocate::relocate_tls): Always move the
 555         __tls_get_addr call delay slot instruction forward 4 bytes when
 556         performing relaxation.
 557
 558 2011-10-18  Cary Coutant  <ccoutant@google.com>
 559
 560         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 561         (Output_file::map_no_anonymous): Check for non-zero
 562         return code from posix_fallocate.
 563
 564 2011-10-17  Cary Coutant  <ccoutant@google.com>
 565
 566         PR gold/13245
 567         * plugin.cc (is_visible_from_outside): Check for symbols
 568         referenced from dynamic objects.
 569         * resolve.cc (Symbol_table::resolve): Don't count references
 570         from dynamic objects as references from real ELF files.
 571         * testsuite/plugin_test_2.sh: Adjust expected result.
 572
 573 2011-10-17  Cary Coutant  <ccoutant@google.com>
 574
 575         * gold.cc: Include timer.h.
 576         (queue_middle_tasks): Stamp time.
 577         (queue_final_tasks): Likewise.
 578         * main.cc (main): Store timer in parameters.  Print timers
 579         for each pass.
 580         * parameters.cc (Parameters::Parameters): Initialize timer_.
 581         (Parameters::set_timer): New function.
 582         (set_parameters_timer): New function.
 583         * parameters.h (Parameters::set_timer): New function.
 584         (Parameters::timer): New function.
 585         (Parameters::timer_): New data member.
 586         (set_parameters_timer): New function.
 587         * timer.cc (Timer::stamp): New function.
 588         (Timer::get_pass_time): New function.
 589         * timer.h (Timer::stamp): New function.
 590         (Timer::get_pass_time): New function.
 591         (Timer::pass_times_): New data member.
 592
 593 2011-10-17  Cary Coutant  <ccoutant@google.com>
 594
 595         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 596         task for members of lib groups.
 597
 598 2011-10-17  Cary Coutant  <ccoutant@google.com>
 599
 600         PR gold/13288
 601         * fileread.cc (File_read::find_view): Add assert.
 602         (File_read::make_view): Move bounds check (replace with assert)...
 603         (File_read::find_or_make_view): ... to here.
 604
 605 2011-10-12  Cary Coutant  <ccoutant@google.com>
 606
 607         * output.cc (Output_file::open_base_file): Handle case where
 608         ::read returns less than requested size.
 609
 610 2011-10-10  Cary Coutant  <ccoutant@google.com>
 611
 612         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 613         Initialize defined_count_.
 614         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 615         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 616         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 617         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 618         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 619         * incremental.h (Sized_relobj_incr::defined_count_): New data
 620         member.
 621         (Sized_incr_dynobj::defined_count_): New data member.
 622         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 623         Return zeroes instead of internal error.
 624
 625 2011-10-10  Cary Coutant  <ccoutant@google.com>
 626
 627         PR gold/13249
 628         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 629         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 630         * output.h (class Output_reloc): Add use_plt_offset flag.
 631         (Output_reloc::type_): Adjust size of bit field.
 632         (Output_reloc::use_plt_offset_): New bit field.
 633         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 634         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 635         flag.  Adjust all callers.
 636         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 637         creating RELATIVE relocations.
 638
 639 2011-10-10  Nick Clifton  <nickc@redhat.com>
 640
 641         * po/es.po: Updated Spanish translation.
 642         * po/fi.po: Updated Finnish translation.
 643
 644 2011-10-03   Diego Novillo  <dnovillo@google.com>
 645
 646         * options.cc (parse_uint): Fix dereference of RETVAL.
 647
 648 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 649
 650         * layout.h (section_order_map_): New member.
 651         (get_section_order_map): New member function.
 652         * output.cc (Output_section::add_input_section): Check for patterns
 653         only when --section-ordering-file is specified.
 654         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 655         output_sections have been formed.
 656         * layout.cc (Layout_Layout): Initialize section_order_map_.
 657         * plugin.cc (update_section_order): Store order in order_map. Do not
 658         update the order.
 659         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 660         * testsuite/Makefile.in: Regenerate.
 661         * testsuite/plugin_section_order.c: New file.
 662         * testsuite/plugin_final_layout.cc: New file.
 663         * testsuite/plugin_final_layout.sh: New file.
 664
 665 2011-09-29  Cary Coutant  <ccoutant@google.com>
 666
 667         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 668         Check for NULL.
 669         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 670         symbols during incremental update.
 671         (Symbol_table::add_from_dynobj): Likewise.
 672
 673 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 674             Ian Lance Taylor  <iant@google.com>
 675
 676         * symtab.cc (Symbol_table::define_special_symbol): Always
 677         canonicalize version string.
 678
 679 2011-09-26  Cary Coutant  <ccoutant@google.com>
 680
 681         * gold.cc (queue_initial_tasks): Move option checks ...
 682         * options.cc (General_options::finalize): ... to here. Disable
 683         some options; make others fatal.
 684
 685 2011-09-26  Cary Coutant  <ccoutant@google.com>
 686
 687         gcc PR lto/47247
 688         * plugin.cc (get_symbols_v2): New function.
 689         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 690         (is_referenced_from_outside): New function.
 691         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 692         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 693         (get_symbols): Pass version parameter.
 694         (get_symbols_v2): New function.
 695         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 696         parameter.
 697         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 698         (onload): Add LDPT_GET_SYMBOLS_V2.
 699         (all_symbols_read_hook): Use get_symbols_v2; check for
 700         LDPR_PREVAILING_DEF_IRONLY_EXP.
 701         * testsuite/plugin_test_3.sh: Update expected results.
 702
 703 2011-09-23  Simon Baldwin  <simonb@google.com>
 704
 705         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 706         configuration options.
 707         * configure: Regenerate.
 708         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 709         * Makefile.in: Regenerate.
 710         * testsuite/Makefile.in: Regenerate.
 711
 712 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 713
 714         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 715
 716 2011-09-19  Cary Coutant  <ccoutant@google.com>
 717
 718         * incremental.cc (can_incremental_update): Fix typo in comment.
 719         * incremental.h (can_incremental_update): Likewise.
 720
 721 2011-09-18  Cary Coutant  <ccoutant@google.com>
 722
 723         * incremental.cc (can_incremental_update): New function.
 724         * incremental.h (can_incremental_update): New function.
 725         * layout.cc (Layout::init_fixed_output_section): Call it.
 726         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 727         * object.cc (Sized_relobj_file::do_layout): Call
 728         can_incremental_update.
 729
 730 2011-09-13  Cary Coutant  <ccoutant@google.com>
 731
 732         * configure.ac: Check for glibc support for gnu_indirect_function
 733         support with static linking, setting automake conditional
 734         IFUNC_STATIC.
 735         * Makefile.in: Regenerate.
 736         * configure: Regenerate.
 737
 738         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 739         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 740         for IFUNC_STATIC.
 741         * testsuite/Makefile.in: Regenerate.
 742
 743 2011-09-13  Cary Coutant  <ccoutant@google.com>
 744
 745         * incremental.cc (Sized_relobj_incr::do_layout): Call
 746         report_comdat_group for kept comdat sections.
 747         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 748         * testsuite/Makefile.in: Regenerate.
 749         * testsuite/incr_comdat_test_1.cc: New source file.
 750         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 751         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 752         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 753
 754 2011-09-13  Ian Lance Taylor  <iant@google.com>
 755
 756         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 757         variable external_symbols_offset.
 758
 759 2011-09-12  Ian Lance Taylor  <iant@google.com>
 760
 761         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 762         triggered if object has no symbols.
 763
 764 2011-09-09  David S. Miller  <davem@davemloft.net>
 765
 766         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 767         (Output_fill_debug_line::do_write): Likewise.
 768
 769 2011-08-29  Cary Coutant  <ccoutant@google.com>
 770
 771         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 772         casts to match formatting specs.
 773         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 774
 775 2011-08-26  Cary Coutant  <ccoutant@google.com>
 776
 777         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 778         remaining hole size when allocating.
 779         (Layout::make_output_section): Set fill methods for debug sections.
 780         * layout.h (Free_list::Free_list_node): Move from private to
 781         public.
 782         (Free_list::set_min_hole_size): New function.
 783         (Free_list::begin, Free_list::end): New functions.
 784         (Free_list::min_hole_): New data member.
 785         * output.cc: Include dwarf.h.
 786         (Output_fill_debug_info::do_minimum_hole_size): New function.
 787         (Output_fill_debug_info::do_write): New function.
 788         (Output_fill_debug_line::do_minimum_hole_size): New function.
 789         (Output_fill_debug_line::do_write): New function.
 790         (Output_section::Output_section): Initialize new data member.
 791         (Output_section::set_final_data_size): Ensure patch space is larger
 792         than minimum hole size.
 793         (Output_section::do_write): Fill holes in debug sections.
 794         * output.h (Output_fill): New class.
 795         (Output_fill_debug_info): New class.
 796         (Output_fill_debug_line): New class.
 797         (Output_section::set_free_space_fill): New function.
 798         (Output_section::free_space_fill_): New data member.
 799         * testsuite/Makefile.am (incremental_test_3): Add
 800         --incremental-patch option.
 801         (incremental_test_4): Likewise.
 802         (incremental_test_5): Likewise.
 803         (incremental_test_6): Likewise.
 804         (incremental_copy_test): Likewise.
 805         (incremental_common_test_1): Likewise.
 806         * testsuite/Makefile.in: Regenerate.
 807
 808 2011-08-26  Nick Clifton  <nickc@redhat.com>
 809
 810         * po/es.po: Updated Spanish translation.
 811
 812 2011-08-01  Cary Coutant  <ccoutant@google.com>
 813
 814         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 815         * gold/testsuite/Makefile.in: Regenerate.
 816         * gold/testsuite/justsyms_exec.c: New source file.
 817         * gold/testsuite/justsyms_lib.c: New source file.
 818
 819 2011-08-01  Cary Coutant  <ccoutant@google.com>
 820
 821         * layout.cc (Layout::set_segment_offsets): Don't realign text
 822         segment if -Ttext was specified.
 823         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 824         file type.
 825         * object.h (Sized_relobj_file::e_type): New function.
 826         (Sized_relobj_file::e_type_): New data member.
 827         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 828         base address for ET_EXEC files.
 829         * target.cc (Target::do_make_elf_object_implementation): Allow
 830         ET_EXEC files with --just-symbols option.
 831
 832 2011-07-28  Cary Coutant  <ccoutant@google.com>
 833
 834         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 835         Add thread_number parameter.
 836         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 837         * workqueue-threads.cc
 838         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 839         current thread if its thread number is greater than desired thread
 840         count.
 841         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 842         Add thread_number parameter.
 843         (Workqueue::should_cancel_thread): Likewise.
 844         (Workqueue::find_runnable_or_wait): Pass thread_number to
 845         should_cancel_thread.
 846         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 847         parameter.
 848
 849 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 850
 851         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 852         only after checking if it cannot be forced local.
 853         * symtab.h (is_externally_visible): Check if the symbol is not forced
 854         local.
 855
 856 2011-07-15  Ian Lance Taylor  <iant@google.com>
 857
 858         * options.h (class General_options): Add --print-output-format.
 859         Move -EL next to -EB, for  better --help output.
 860         * target-select.cc: Include <cstdio>, "options.h", and
 861         "parameters.h".
 862         (Target_selector::do_target_bfd_name): New function.
 863         (print_output_format): New function.
 864         * target-select.h (class Target_selector): Update declarations.
 865         (Target_selector::target_bfd_name): New function.
 866         (print_output_format): Declare.
 867         * main.cc: Include "target-select.h".
 868         (main): Handle --print-output-format.
 869         * gold.cc: Include "target-select.h".
 870         (queue_initial_tasks): Handle --print-output-format when there are
 871         no input files.
 872         * parameters.cc (parameters_force_valid_target): Give a better
 873         error message if -EB/-EL does not match target.
 874         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 875         function.
 876
 877 2011-07-15  Ian Lance Taylor  <iant@google.com>
 878
 879         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 880         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 881         (Output_data_plt_i386::do_write): Write address of .dynamic
 882         section to first entry in .got.plt section.
 883         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 884         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 885         Initialize layout_.
 886         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 887         section to first entry in .got.plt section.
 888         * layout.h (Layout::dynamic_section): New function.
 889
 890 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 891
 892         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 893         to claim_file call.
 894         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 895         input_section_position_, and input_section_glob_.
 896         (read_layout_from_file): Call function section_ordering_specified.
 897         * layout.h (is_section_ordering_specified): New function.
 898         (section_ordering_specified): New function.
 899         (section_ordering_specified_): New boolean member.
 900         * main.cc(main): Call load_plugins after layout object is defined.
 901         * output.cc (Output_section::add_input_section): Use
 902         function section_ordering_specified to check if section ordering is
 903         needed.
 904         * output.cc (Output_section::add_relaxed_input_section): Use
 905         function section_ordering_specified to check if section ordering is
 906         needed.
 907         (Output_section::update_section_layout): New function.
 908         (Output_section::sort_attached_input_sections): Check if input section
 909         must be reordered.
 910         * output.h (Output_section::update_section_layout): New function.
 911         * plugin.cc (get_section_count): New function.
 912         (get_section_type): New function.
 913         (get_section_name): New function.
 914         (get_section_contents): New function.
 915         (update_section_order): New function.
 916         (allow_section_ordering): New function.
 917         (Plugin::load): Add the new interfaces to the transfer vector.
 918         (Plugin_manager::load_plugins): New parameter.
 919         (Plugin_manager::all_symbols_read): New parameter.
 920         (Plugin_manager::claim_file): New parameter. Save the elf object for
 921         unclaimed objects.
 922         (Plugin_manager::get_elf_object): New function.
 923         (Plugin_manager::get_view): Change to directly use the bool to check
 924         if get_view is called from claim_file_hook.
 925         * plugin.h (input_objects): New function
 926         (Plugin__manager::load_plugins): New parameter.
 927         (Plugin_manager::claim_file): New parameter.
 928         (Plugin_manager::get_elf_object): New function.
 929         (Plugin_manager::in_claim_file_handler): New function.
 930         (Plugin_manager::in_claim_file_handler_): New member.
 931         (layout): New function.
 932         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 933         handler with an extra parameter. Make the elf object before calling
 934         claim_file handler.
 935         * testsuite/plugin_test.c (get_section_count): New function pointer.
 936         (get_section_type): New function pointer.
 937         (get_section_name): New function pointer.
 938         (get_section_contents): New function pointer.
 939         (update_section_order): New function pointer.
 940         (allow_section_ordering): New function pointer.
 941         (onload): Check if the new interfaces exist.
 942
 943 2011-07-13  Ian Lance Taylor  <iant@google.com>
 944
 945         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 946         relro section.
 947         * x86_64.cc (Target_x86_64::got_section): Likewise.
 948         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 949         (relro_now_test_SOURCES): New variable.
 950         (relro_now_test_DEPENDENCIES): New variable.
 951         (relro_now_test_LDFLAGS): New variable.
 952         (relro_now_test_LDADD): New variable.
 953         (relro_now_test.so): New target.
 954         * testsuite/Makefile.in: Rebuild.
 955
 956 2011-07-12  Ian Lance Taylor  <iant@google.com>
 957
 958         PR gold/12980
 959         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 960         GLOB_DAT relocation rather than a RELATIVE relocation for a
 961         protected symbol when creating a shared library.
 962         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 963         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 964         * testsuite/protected_main_1.cc (main): Test that protected
 965         function has same address.
 966
 967 2011-07-11  Ian Lance Taylor  <iant@google.com>
 968
 969         PR gold/12979
 970         * options.h (class General_options): Add -Bgroup.
 971         * options.cc (General_options::finalize): If -Bgroup is set,
 972         default to --unresolved-symbols=report-all.
 973         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 974         * target-reloc.h (issue_undefined_symbol_error): Handle
 975         --unresolved-symbols=report-all.
 976
 977 2011-07-08  Ian Lance Taylor  <iant@google.com>
 978
 979         PR gold/11985
 980         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 981         if linker script discards key sections.
 982         (Layout::create_dynamic_symtab): Likewise.
 983         (Layout::assign_local_dynsym_offsets): Likewise.
 984         (Layout::sized_create_version_sections): Likewise.
 985         (Layout::create_interp): Likewise.
 986         (Layout::finish_dynamic_section): Likewise.
 987         (Layout::set_dynamic_symbol_size): Likewise.
 988
 989 2011-07-08  Ian Lance Taylor  <iant@google.com>
 990
 991         PR gold/12386
 992         * options.h (class General_options): Add --unresolved-symbols.
 993         * target-reloc.h (issue_undefined_symbol_error): Check
 994         --unresolved-symbols.  Add comments.
 995
 996 2011-07-08  Ian Lance Taylor  <iant@google.com>
 997
 998         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 999         expression more complex.
1000
1001 2011-07-08  Ian Lance Taylor  <iant@google.com>
1002
1003         PR gold/11317
1004         * target-reloc.h (issue_undefined_symbol_error): New inline
1005         function, broken out of relocate_section.
1006         (relocate_section): Call issue_undefined_symbol_error.
1007         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1008         there is no TLS segment if we are about to issue an undefined
1009         symbol error.
1010         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1011
1012 2011-07-08  Ian Lance Taylor  <iant@google.com>
1013
1014         PR gold/12279
1015         * resolve.cc (Symbol_table::should_override): Add fromtype
1016         parameter.  Change all callers.  Give error when linking together
1017         TLS and non-TLS symbol.
1018         (Symbol_table::should_override_with_special): Add fromtype
1019         parameter.  Change all callers.
1020         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1021         there is no TLS segment if we have reported some errors.
1022         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1023
1024 2011-07-08  Ian Lance Taylor  <iant@google.com>
1025
1026         PR gold/12372
1027         * target.h (Target::plt_address_for_global): New function.
1028         (Target::plt_address_for_local): New function.
1029         (Target::plt_section_for_global): Remove.
1030         (Target::plt_section_for_local): Remove.
1031         (Target::do_plt_address_for_global): New virtual function.
1032         (Target::do_plt_address_for_local): New virtual function.
1033         (Target::do_plt_section_for_global): Remove.
1034         (Target::do_plt_section_for_local): Remove.
1035         (Target::register_global_plt_entry): Add Symbol_table and Layout
1036         parameters.
1037         * output.cc (Output_data_got::Got_entry::write): Use
1038         plt_address_for_global and plt_address_for_local.
1039         * layout.cc (Layout::add_target_dynamic_tags): Use size and
1040         address of output section.
1041         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
1042         got_irelative_, and irelative_count_ fields.  Update
1043         declarations.
1044         (Output_data_plt_i386::has_irelative_section): New function.
1045         (Output_data_plt_i386::entry_count): Add irelative_count_.
1046         (Output_data_plt_i386::set_final_data_size): Likewise.
1047         (class Target_i386): Add got_irelative_ and rel_irelative_
1048         fields.  Update declarations.
1049         (Target_i386::Target_i386): Initialize new fields.
1050         (Target_i386::do_plt_address_for_global): New function replacing
1051         do_plt_section_for_global.
1052         (Target_i386::do_plt_address_for_local): New function replacing
1053         do_plt_section_for_local.
1054         (Target_i386::got_section): Create got_irelative_.
1055         (Target_i386::rel_irelative_section): New function.
1056         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
1057         fields.  Don't define __rel_iplt_{start,end}.
1058         (Output_data_plt_i386::add_entry): Add symtab and layout
1059         parameters.  Change all callers.  Use different PLT and GOT for
1060         IFUNC symbols.
1061         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
1062         layout parameters.  Change all callers.  Use different PLT and
1063         GOT.
1064         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
1065         (Output_data_plt_i386::rel_irelative): New function.
1066         (Output_data_plt_i386::address_for_global): New function.
1067         (Output_data_plt_i386::address_for_local): New function.
1068         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
1069         IRELATIVE GOT when changing IFUNC GOT entries.
1070         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
1071         reloc.
1072         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
1073         if we didn't create an IRELATIVE GOT.
1074         (Target_i386::Relocate::relocate): Use plt_address_for_global and
1075         plt_address_for_local.
1076         (Target_i386::do_dynsym_value): Use plt_address_for_global.
1077         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
1078         got_irelative_, and irelative_count_ fields.  Update
1079         declarations.
1080         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1081         Initialize new fields.  Remove symtab parameter.  Change all
1082         callers.
1083         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
1084         irelative_count_.
1085         (Output_data_plt_x86_64::has_irelative_section): New function.
1086         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
1087         (class Target_x86_64): Add got_irelative_ and rel_irelative_
1088         fields.  Update declarations.
1089         (Target_x86_64::Target_x86_64): Initialize new fields.
1090         (Target_x86_64::do_plt_address_for_global): New function replacing
1091         do_plt_section_for_global.
1092         (Target_x86_64::do_plt_address_for_local): New function replacing
1093         do_plt_section_for_local.
1094         (Target_x86_64::got_section): Create got_irelative_.
1095         (Target_x86_64::rela_irelative_section): New function.
1096         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
1097         all callers.  Don't create __rel_iplt_{start,end}.
1098         (Output_data_plt_x86_64::add_entry): Add symtab and layout
1099         parameters.  Change all callers.  Use different PLT and GOT for
1100         IFUNC symbols.
1101         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
1102         layout parameters.  Change all callers.  Use different PLT and
1103         GOT.
1104         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
1105         parameters.  Change all callers.  Use different PLT and GOT for
1106         IFUNC symbols.
1107         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
1108         (Output_data_plt_x86_64::rela_irelative): New function.
1109         (Output_data_plt_x86_64::address_for_global): New function.
1110         (Output_data_plt_x86_64::address_for_local): New function.
1111         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1112         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
1113         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
1114         (Target_x86_64::register_global_plt_entry): Add symtab and layout
1115         parameters.
1116         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
1117         reloc.
1118         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
1119         symbols if we didn't create an IRELATIVE GOT.
1120         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
1121         plt_address_for_local.
1122         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
1123         * testsuite/ifuncvar1.c: New test file.
1124         * testsuite/ifuncvar2.c: New test file.
1125         * testsuite/ifuncvar3.c: New test file.
1126         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
1127         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
1128         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
1129         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
1130         * testsuite/Makefile.in: Rebuild.
1131
1132 2011-07-07  Cary Coutant  <ccoutant@google.com>
1133
1134         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
1135         (two_file_test_1_ndebug.o): Likewise.
1136         (two_file_test_1b_ndebug.o): Likewise.
1137         (two_file_test_2_ndebug.o): Likewise.
1138         (two_file_test_main_ndebug.o): Likewise.
1139         (incremental_test_2): Link with no-debug versions.
1140
1141 2011-07-06  Cary Coutant  <ccoutant@google.com>
1142
1143         * gold/incremental.cc
1144         (Output_section_incremental_inputs::write_info_blocks): Check for
1145         hidden and internal symbols.
1146
1147 2011-07-06  Cary Coutant  <ccoutant@google.com>
1148
1149         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
1150         Check disposition for startup file.
1151         (Incremental_inputs::report_command_line): Ignore
1152         --incremental-startup-unchanged option.
1153         * options.cc (General_options::parse_incremental_startup_unchanged):
1154         New function.
1155         (General_options::General_options): Initialize new data member.
1156         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
1157         (General_options): Add --incremental-startup-unchanged option.
1158         (General_options::incremental_startup_disposition): New function.
1159         (General_options::incremental_startup_disposition_): New data member.
1160
1161 2011-07-06  Cary Coutant  <ccoutant@google.com>
1162
1163         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1164         input file index to Script_info ctor.
1165         (Sized_incremental_binary::do_file_has_changed): Find the
1166         command-line argument for files named in scripts.
1167         * incremental.h (Script_info::Script_info): New ctor
1168         with input file index.
1169         (Script_info::input_file_index): New function.
1170         (Script_info::input_file_index_): New data member.
1171         (Incremental_binary::get_library): Add const.
1172         (Incremental_binary::get_script_info): Add const.
1173         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1174         * testsuite/Makefile.am (incremental_test_5): New test case.
1175         (incremental_test_6): New test case.
1176         * testsuite/Makefile.in: Regenerate.
1177
1178 2011-07-06  Cary Coutant  <ccoutant@google.com>
1179
1180         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1181         debug output when command lines differ.
1182
1183 2011-07-06  Cary Coutant  <ccoutant@google.com>
1184
1185         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1186         --incremental-patch option.
1187         * layout.cc (Free_list::allocate): Extend allocation beyond original
1188         end if enabled.
1189         (Layout::make_output_section): Mark sections that should get
1190         patch space.
1191         * options.cc (parse_percent): New function.
1192         * options.h (parse_percent): New function.
1193         (DEFINE_percent): New macro.
1194         (General_options): Add --incremental-patch option.
1195         * output.cc (Output_section::Output_section): Initialize new data
1196         members.
1197         (Output_section::add_input_section): Print section name when out
1198         of patch space.
1199         (Output_section::add_output_section_data): Likewise.
1200         (Output_section::set_final_data_size): Add patch space when
1201         doing --incremental-full.
1202         (Output_section::do_reset_address_and_file_offset): Remove patch
1203         space.
1204         (Output_segment::set_section_list_addresses): Print debug output
1205         only if --incremental-update.
1206         * output.h (Output_section::set_is_patch_space_allowed): New function.
1207         (Output_section::is_patch_space_allowed_): New data member.
1208         (Output_section::patch_space_): New data member.
1209         * parameters.cc (Parameters::incremental_full): New function.
1210         * parameters.h (Parameters::incremental_full): New function
1211         * testsuite/Makefile.am (incremental_test_2): Add test for
1212         --incremental-patch option.
1213         * testsuite/Makefile.in: Regenerate.
1214         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1215         (t18): Remove function body.
1216
1217 2011-07-05  Doug Kwan  <dougkwan@google.com>
1218
1219         PR gold/12771
1220         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1221         Arm_Address type for relocation result.
1222         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1223         overflow check.
1224         (Arm_relocate_functions::abs32): Use unaligned access.
1225         (Arm_relocate_functions::rel32): Ditto.
1226         (Arm_relocate_functions::prel31): Ditto.
1227         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1228         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1229         static data relocations.
1230         * testsuite/Makefile.in: Regnerate.
1231         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1232
1233 2011-07-05  Ian Lance Taylor  <iant@google.com>
1234
1235         PR gold/12392
1236         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1237         symbols if necessary.
1238         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1239
1240 2011-07-05  Ian Lance Taylor  <iant@google.com>
1241
1242         PR gold/12952
1243         * resolve.cc (Symbol::override_base_with_special): Simply override
1244         version with special symbol version, ignoring previous version.
1245
1246 2011-07-05  Ian Lance Taylor  <iant@google.com>
1247
1248         * object.cc (Sized_relobj_file::include_section_group): Add
1249         information to comment about signature location.
1250
1251 2011-07-02  Ian Lance Taylor  <iant@google.com>
1252
1253         PR gold/12957
1254         * options.h (class General_options): Add -f and -F.
1255         * options.cc (General_options::finalize): Fatal error if -f/-F
1256         are used without -shared.
1257         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1258
1259 2011-07-02  Ian Lance Taylor  <iant@google.com>
1260
1261         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1262
1263 2011-07-01  Ian Lance Taylor  <iant@google.com>
1264
1265         PR gold/12525
1266         PR gold/12952
1267         * resolve.cc (Symbol::override_base_with_special): Don't override
1268         the version if the overriding symbol has a different name.
1269         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1270         all callers.  If we give an error about an undefined version,
1271         define the base version if necessary.
1272         * dynobj.h (class Versions): Update declaration.
1273         * testsuite/weak_alias_test_5.cc: New file.
1274         * testsuite/weak_alias_test.script: New file.
1275         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1276         and versioned_alias have the right value, and call t2.
1277         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1278         weak_alias_test_5.so.
1279         (weak_alias_test_LDADD): Likewise.
1280         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1281         * testsuite/Makefile.in: Rebuild.
1282
1283 2011-07-01  Ian Lance Taylor  <iant@google.com>
1284
1285         PR gold/12525
1286         * options.h (class General_options): Support -z notext.
1287         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1288         -Wl,-z,notext.
1289         (two_file_shared_nonpic.so): Likewise.
1290         (two_file_shared_mixed.so): Likewise.
1291         (two_file_shared_mixed_1.so): Likewise.
1292         (weak_undef_lib_nonpic.so): Likewise.
1293         (alt/weak_undef_lib_nonpic.so): Likewise.
1294         (tls_test_shared_nonpic.so): Likewise.
1295         * testsuite/Makefile.in: Rebuild.
1296
1297 2011-07-01  Ian Lance Taylor  <iant@google.com>
1298
1299         PR gold/12525
1300         * configure.ac: Test whether static linking works, setting
1301         the automake conditional HAVE_STATIC.
1302         * testsuite/Makefile.am: Disable tests using -static if
1303         HAVE_STATIC is not true.
1304         * configure, testsuite/Makefile.in: Rebuild.
1305
1306 2011-07-01  Ian Lance Taylor  <iant@google.com>
1307
1308         PR gold/12525
1309         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1310         Assert if we see DW_EH_PE_indirect.
1311         * target.h (Target::ehframe_datarel_base): New function.
1312         (Target::do_ehframe_datarel_base): New target function.
1313         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1314         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1315         function.
1316
1317 2011-07-01  Ian Lance Taylor  <iant@google.com>
1318
1319         PR gold/12571
1320         * options.h (class General_options): Add
1321         --ld-generated-unwind-info.
1322         * ehframe.cc (Fde::write): Add address parameter.  Change all
1323         callers.  If associated with PLT, fill in address and size.
1324         (Cie::set_output_offset): Only add merge mapping if there is an
1325         object.
1326         (Cie::write): Add address parameter.  Change all callers.
1327         (Eh_frame::add_ehframe_for_plt): New function.
1328         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1329         input_offset_ fields into union u_, with new plt field.
1330         (Fde::Fde): Adjust for new union field.
1331         (Fde::Fde) [Output_data version]: New constructor.
1332         (Fde::add_mapping): Only add merge mapping if there is an object.
1333         (class Cie): Update declarations.
1334         (class Eh_frame): Declare add_ehframe_for_plt.
1335         * layout.cc (Layout::layout_eh_frame): Break out code into
1336         make_eh_frame_section, and call it.
1337         (Layout::make_eh_frame_section): New function.
1338         (Layout::add_eh_frame_for_plt): New function.
1339         * layout.h (class Layout): Update declarations.
1340         * merge.cc (Merge_map::add_mapping): Add assertion.
1341         * i386.cc: Include "dwarf.h".
1342         (class Output_data_plt_i386): Make first_plt_entry,
1343         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1344         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1345         and plt_eh_frame_fde.
1346         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1347         boundary.  Call add_eh_frame_for_plt if appropriate.
1348         * x86_64.cc: Include "dwarf.h".
1349         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1350         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1351         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1352         and plt_eh_frame_fde.
1353         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1354         appropriate.
1355
1356 2011-06-29  Ian Lance Taylor  <iant@google.com>
1357
1358         PR gold/12629
1359         * object.cc (Sized_relobj_file::layout_section): Change shdr
1360         parameter to be const.
1361         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1362         out of do_layout.
1363         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1364         appropriate.  Call layout_eh_frame_section.
1365         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1366         sections.
1367         * object.h (class Sized_relobj_file): Update declarations.
1368
1369 2011-06-29  Ian Lance Taylor  <iant@google.com>
1370
1371         PR gold/12652
1372         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1373         modifier.
1374         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1375
1376 2011-06-29  Ian Lance Taylor  <iant@google.com>
1377
1378         PR gold/12675
1379         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1380         SHT_X86_64_UNWIND.
1381         * layout.cc (Layout::layout_eh_frame): Likewise.
1382
1383 2011-06-29  Ian Lance Taylor  <iant@google.com>
1384
1385         PR gold/12695
1386         * layout.cc (Layout::symtab_section_shndx): New function.
1387         * layout.h (class Layout): Declare symtab_section_shndx.
1388         * output.cc (Output_section::write_header): Call it.
1389
1390 2011-06-29  Ian Lance Taylor  <iant@google.com>
1391
1392         PR gold/12818
1393         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1394         symbols which are not used in a relocation.
1395
1396 2011-06-28  Ian Lance Taylor  <iant@google.com>
1397
1398         PR gold/12898
1399         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1400         script create indistinguishable segments.
1401         (Layout::set_segment_offsets): Use stable_sort when sorting
1402         segments.  Pass this to Compare_segments constructor.
1403         * layout.h (class Layout): Make segment_precedes non-static.
1404         (class Compare_segments): Change from struct to class.  Add
1405         layout_ field.  Add constructor.
1406         * script-sections.cc
1407         (Script_sections::attach_sections_using_phdrs_clause): Rename
1408         local orphan to is_orphan.  Don't report failure to put empty
1409         section in segment.  On attachment failure, report name of
1410         section, and attach to first PT_LOAD segment.
1411
1412 2011-06-28  Ian Lance Taylor  <iant@google.com>
1413
1414         PR gold/12934
1415         * target-select.cc (Target_selector::Target_selector): Add
1416         emulation parameter.  Change all callers.
1417         (select_target_by_bfd_name): Rename from select_target_by_name.
1418         Change all callers.
1419         (select_target_by_emulation): New function.
1420         (supported_emulation_names): New function.
1421         * target-select.h (class Target_selector): Add emulation_ field.
1422         Update declarations.
1423         (Target_selector::recognize_by_bfd_name): Rename from
1424         recognize_by_name.  Change all callers.
1425         (Target_selector::supported_bfd_names): Rename from
1426         supported_names.  Change all callers.
1427         (Target_selector::recognize_by_emulation): New function.
1428         (Target_selector::supported_emulations): New function.
1429         (Target_selector::emulation): New function.
1430         (Target_selector::do_recognize_by_bfd_name): Rename from
1431         do_recognize_by_name.  Change all callers.
1432         (Target_selector::do_supported_bfd_names): Rename from
1433         do_supported_names.  Change all callers.
1434         (Target_selector::do_recognize_by_emulation): New function.
1435         (Target_selector::do_supported_emulations): New function.
1436         (select_target_by_bfd_name): Change name in declaration.
1437         (select_target_by_emulation): Declare.
1438         (supported_emulation_names): Declare.
1439         * parameters.cc (parameters_force_valid_target): Try to find
1440         target based on emulation from -m option.
1441         * options.h (class General_options): Change doc string for -m.
1442         * options.cc (help): Print emulations.
1443         (General_options::parse_V): Likewise.
1444         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1445         Add emulation parameter.  Change all callers.
1446
1447 2011-06-28  Ian Lance Taylor  <iant@google.com>
1448
1449         * target.h (class Target): Add osabi_ field.
1450         (Target::osabi): New function.
1451         (Target::set_osabi): New function.
1452         (Target::Target): Initialize osabi_.
1453         (Target::do_adjust_elf_header): Make pure virtual.
1454         (Sized_target::do_adjust_elf_header): Declare.
1455         * target.cc (Sized_target::do_adjust_elf_header): New function.
1456         (class Sized_target): Instantiate all versions.
1457         * freebsd.h (class Target_freebsd): Remove.
1458         (Target_selector_freebsd::do_recognize): Call set_osabi on
1459         Target.
1460         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1461         (Target_selector_freebsd::set_osabi): Remove.
1462         * i386.cc (class Target_i386): Inherit from Sized_target rather
1463         than Target_freebsd.
1464         * x86_64.cc (class Target_x86_64): Likewise.
1465
1466 2011-06-28  Ian Lance Taylor  <iant@google.com>
1467
1468         * target.h (Target::can_check_for_function_pointers): Rewrite.
1469         Make non-virtual.
1470         (Target::can_icf_inline_merge_sections): Likewise.
1471         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1472         (Target::Target_info): Add can_icf_inline_merge_sections field.
1473         (Target::do_can_check_for_function_pointers): New virtual
1474         function.
1475         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1476         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1477         from can_check_for_function_pointers, move in file.
1478         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1479         section_may_have_icf_unsafe_poineters, move in file.
1480         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1481         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1482         Rename from can_check_for_function_pointers, move in file.
1483         (Target_i386::can_icf_inline_merge_sections): Remove.
1484         (Target_i386::i386_info): Initialize
1485         can_icf_inline_merge_sections.
1486         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1487         Initialize can_icf_inline_merge_sections.
1488         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1489         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1490         Rename from can_check_for_function_pointers, move in file.
1491         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1492         (Target_x86_64::x86_64_info): Initialize
1493         can_icf_inline_merge_sections.
1494         * testsuite/testfile.cc (Target_test::test_target_info):
1495         Likewise.
1496         * icf.cc (get_section_contents): Correct formatting.
1497
1498 2011-06-27  Ian Lance Taylor  <iant@google.com>
1499
1500         * symtab.cc (Symbol::versioned_name): New function.
1501         (Symbol_table::add_to_final_symtab): Use versioned_name when
1502         appropriate.
1503         (Symbol_table::sized_write_symbol): Likewise.
1504         * symtab.h (class Symbol): Declare versioned_name.
1505         * stringpool.h (class Stringpool_template): Add variant of add
1506         which takes a std::basic_string.
1507         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1508         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1509         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1510         (ver_test_12.o): New target.
1511         * testsuite/Makefile.in: Rebuild.
1512
1513 2011-06-27  Doug Kwan  <dougkwan@google.com>
1514
1515         * arm.cc (Arm_relocate_functions::thm_jump8,
1516         Arm_relocate_functions::thm_jump11): Use a wider signed
1517         type to compute offset.
1518         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1519         arm_thm_jump8.
1520         * testsuite/Makefile.in: Regenerate.
1521         * testsuite/arm_branch_in_range.sh: Check test results of
1522         arm_thm_jump11 and arm_thm_jump8.
1523         * testsuite/arm_thm_jump11.s: New test source file.
1524         * testsuite/arm_thm_jump11.t: New linker script.
1525         * testsuite/arm_thm_jump8.s: New test source file.
1526         * testsuite/arm_thm_jump8.t: New linker script.
1527
1528 2011-06-24  Ian Lance Taylor  <iant@google.com>
1529
1530         * layout.cc: Include "object.h".
1531         (ctors_sections_in_init_array): New static variable.
1532         (Layout::is_ctors_in_init_array): New function.
1533         (Layout::layout): Add entry to ctors_sections_in_init_array if
1534         appropriate.
1535         * layout.h (class Layout): Declare is_ctors_in_init_array.
1536         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1537         is_ctors_reverse_view is set.
1538         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1539         all callers.  Set is_ctors_reverse_view field of View_size.
1540         (Sized_relobj_file::reverse_words): New function.
1541         * object.h (Sized_relobj_file::View_size): Add
1542         is_ctors_reverse_view field.
1543         (class Sized_relobj_file): Update declarations.
1544         * testsuite/initpri3.c: New test.
1545         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1546         initpri3b.
1547         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1548         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1549         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1550         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1551         * testsuite/Makefile.in: Rebuild.
1552
1553 2011-06-24  Cary Coutant  <ccoutant@google.com>
1554
1555         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1556         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1557         (debug_msg_cdebug.err): New targets.
1558         * testsuite/Makefile.in: Regenerate.
1559         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1560         Fix checks for link with shared library.
1561
1562 2011-06-24  Doug Kwan  <dougkwan@google.com>
1563
1564         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1565         skip empty text sections.
1566         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1567
1568 2011-06-22  Ian Lance Taylor  <iant@google.com>
1569
1570         PR gold/12910
1571         * options.h (class General_options): Add --ctors-in-init-array.
1572         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1573         friends as SHT_PROGBITS for merging sections.
1574         (Layout::layout): Remove special handling of .init_array and
1575         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1576         and .dtors if ctors_in_init_array.
1577         (Layout::make_output_section): Force correct section types for
1578         .init_array and friends.  Don't sort if doing relocatable link,
1579         Don't sort .ctors and .dtors if ctors_in_init_array.
1580         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1581         (Layout::output_section_name): Add relobj parameter.  Change all
1582         callers.  Handle .ctors. and .dtors. in code rather than table.
1583         Handle .ctors and .dtors if ctors_in_init_array.
1584         (Layout::match_file_name): New function, moved from output.cc.
1585         * layout.h (class Layout): Update declarations.
1586         * output.cc: Include "layout.h".
1587         (Input_section_sort_entry::get_priority): New function.
1588         (Input_section_sort_entry::match_file_name): Just call
1589         Layout::match_file_name.
1590         (Output_section::Input_section_sort_init_fini_compare::operator()):
1591         Handle .ctors and .dtors.  Sort by explicit priority rather than
1592         by name.
1593         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1594         * testsuite/initpri2.c: New test.
1595         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1596         (check_PROGRAMS): Add initpri2.
1597         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1598         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1599         * configure, testsuite/Makefile.in: Rebuild.
1600
1601 2011-06-19  Ian Lance Taylor  <iant@google.com>
1602
1603         PR gold/12880
1604         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1605         .interp section to a PT_INTERP segment even if we have seen a
1606         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1607         clause in a linker script.
1608         (Layout::finalize): Don't create a .interp section if we've
1609         already create a PT_INTERP segment.
1610         (Layout::create_interp): Always call choose_output_section (revert
1611         patch of 2011-06-17).  Don't create PT_INTERP segment.
1612         * script-sections.cc
1613         (Script_sections::create_note_and_tls_segments): Add a .interp
1614         section to a PT_INTERP segment even if we have seen a
1615         --dynamic-linker option.
1616
1617 2011-06-18  Ian Lance Taylor  <iant@google.com>
1618
1619         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1620         merely because a non-PT_LOAD segment has a dynamic reloc.
1621
1622 2011-06-18  Ian Lance Taylor  <iant@google.com>
1623
1624         * layout.cc (Layout::finish_dynamic_section): Don't create
1625         DT_FLAGS entry if not needed.
1626
1627 2011-06-18  Ian Lance Taylor  <iant@google.com>
1628
1629         PR gold/12745
1630         * layout.cc (Layout::layout_eh_frame): Correct handling of
1631         writable .eh_frame section.
1632
1633 2011-06-17  Ian Lance Taylor  <iant@google.com>
1634
1635         PR gold/12893
1636         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1637         symbol is redefined with the exact same object and value.
1638
1639 2011-06-17  Ian Lance Taylor  <iant@google.com>
1640
1641         PR gold/12880
1642         * layout.h (class Layout): Add interp_segment_ field.
1643         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1644         (Layout::attach_allocated_section_to_segment): If making shared
1645         library, put .interp section in PT_INTERP segment.
1646         (Layout::finalize): Also call create_interp if -dynamic-linker
1647         option was used.
1648         (Layout::create_interp): Assert that there is no PT_INTERP
1649         segment.  If not using a SECTIONS clause, use make_output_section.
1650         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1651         * script-sections.cc
1652         (Script_sections::create_note_and_tls_segments): If making shared
1653         library, put .interp section in PT_INTERP segment.
1654
1655 2011-06-17  Ian Lance Taylor  <iant@google.com>
1656
1657         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1658         when making a shared library.
1659
1660 2011-06-17  Ian Lance Taylor  <iant@google.com>
1661
1662         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1663         parameter.  Change all callers.  Don't issue warning about PC32
1664         against locally defined symbol.
1665
1666 2011-06-16  Ian Lance Taylor  <iant@google.com>
1667
1668         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1669         occurs in same object.
1670
1671 2011-06-14  Alan Modra  <amodra@gmail.com>
1672
1673         * po/POTFILES.in: Regenerate.
1674
1675 2011-06-09  Ian Lance Taylor  <iant@google.com>
1676
1677         * script-sections.cc
1678         (Orphan_output_section::set_section_addresses): For a relocatable
1679         link set address to 0.
1680
1681 2011-06-09  Cary Coutant  <ccoutant@google.com>
1682
1683         PR gold/12804
1684         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1685         used with --compress-debug-sections.
1686         * gold/object.cc (Sized_relobj_file::do_layout): Report
1687         uncompressed size of compressed input sections.
1688
1689 2011-06-08  Cary Coutant  <ccoutant@google.com>
1690
1691         PR gold/12804
1692         * testsuite/two_file_test_2_v1.cc: Change initialization of
1693         v2 to keep it in .data.
1694
1695 2011-06-07  Cary Coutant  <ccoutant@google.com>
1696
1697         * common.cc (Symbol_table::do_allocate_commons_list): Call
1698         gold_fallback.
1699         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1700         (Errors::fallback): New function.
1701         (gold_fallback): New function.
1702         * errors.h (Errors::fallback): New function.
1703         * gold.cc (gold_exit): Change status parameter to enum; adjust
1704         all callers.
1705         (queue_initial_tasks): Call gold_fallback.
1706         * gold.h: Include cstdlib.
1707         (Exit_status): New enum type.
1708         (gold_exit): Change status parameter to enum.
1709         (gold_fallback): New function.
1710         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1711         (Layout::create_symtab_sections): Likewise.
1712         (Layout::create_shdrs): Likewise.
1713         * main.cc (main): Adjust call to gold_exit.
1714         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1715         (Output_data_got::add_got_entry_pair): Likewise.
1716         (Output_section::add_input_section): Likewise.
1717         (Output_section::add_output_section_data): Likewise.
1718         (Output_segment::set_section_list_addresses): Likewise.
1719         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1720
1721 2011-06-07  Cary Coutant  <ccoutant@google.com>
1722
1723         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1724         for incremental links.
1725         * output.cc (Output_segment::set_section_list_addresses): Remove
1726         FIXME and test for TLS or BSS.
1727
1728 2011-06-07  Cary Coutant  <ccoutant@google.com>
1729
1730         * testsuite/Makefile.am: Add incremental_copy_test,
1731         incremental_common_test_1.
1732         * testsuite/Makefile.in: Regenerate.
1733         * testsuite/common_test_1_v1.c: New source file.
1734         * testsuite/common_test_1_v2.c: New source file.
1735         * testsuite/copy_test_v1.cc: New source file.
1736
1737 2011-06-07  Cary Coutant  <ccoutant@google.com>
1738
1739         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1740         update, allocate common from bss section's free list.
1741         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1742         linker-defined symbols.
1743         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1744         Skip GOT and PLT entries that are no longer referenced.
1745         (Output_section_incremental_inputs::write_info_blocks): Mark
1746         linker-defined symbols.
1747         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1748         * output.cc (Output_section::allocate): New function.
1749         * output.h (Output_section::allocate): New function.
1750         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1751         linker-defined symbols.
1752         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1753         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1754         (Symbol::init_base_output_data): Likewise.
1755         (Symbol::init_base_output_segment): Likewise.
1756         (Symbol::init_base_constant): Likewise.
1757         (Sized_symbol::init_output_data): Likewise.
1758         (Sized_symbol::init_output_segment): Likewise.
1759         (Sized_symbol::init_constant): Likewise.
1760         (Symbol_table::do_define_in_output_data): Likewise.
1761         (Symbol_table::do_define_in_output_segment): Likewise.
1762         (Symbol_table::do_define_as_constant): Likewise.
1763         * symtab.h (Symbol::is_predefined): New function.
1764         (Symbol::init_base_output_data): Add is_predefined parameter.
1765         (Symbol::init_base_output_segment): Likewise.
1766         (Symbol::init_base_constant): Likewise.
1767         (Symbol::is_predefined_): New data member.
1768         (Sized_symbol::init_output_data): Add is_predefined parameter.
1769         (Sized_symbol::init_output_segment): Likewise.
1770         (Sized_symbol::init_constant): Likewise.
1771         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1772
1773 2011-06-07  Cary Coutant  <ccoutant@google.com>
1774
1775         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1776         instead of emit_copy_reloc.
1777         (Copy_relocs::emit_copy_reloc): Refactor.
1778         (Copy_relocs::make_copy_reloc): New function.
1779         (Copy_relocs::add_copy_reloc): Remove.
1780         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1781         section.
1782         (Copy_relocs::make_copy_reloc): New function.
1783         (Copy_relocs::add_copy_reloc): Remove.
1784         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1785         unchanged input files.
1786         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1787         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1788         Reserve BSS space for COPY relocations.
1789         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1790         (Output_section_incremental_inputs::write_info_blocks): Record
1791         whether a symbol is copied from a shared object.
1792         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1793         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1794         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1795         (Incremental_input_entry_reader::get_output_symbol_index): Add
1796         is_copy parameter.
1797         (Incremental_binary::emit_copy_relocs): New function.
1798         (Incremental_binary::do_emit_copy_relocs): New function.
1799         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1800         new data member.
1801         (Sized_incremental_binary::add_copy_reloc): New function.
1802         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1803         (Sized_incremental_binary::Copy_reloc): New struct.
1804         (Sized_incremental_binary::Copy_relocs): New typedef.
1805         (Sized_incremental_binary::copy_relocs_): New data member.
1806         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1807         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1808         * target.h (Sized_target::emit_copy_reloc): New function.
1809         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1810
1811 2011-06-02  Cary Coutant  <ccoutant@google.com>
1812
1813         PR gold/12163
1814         * gold/archive.cc (Archive::Archive): Initialize new data member.
1815         (Archive::include_all_members): Return if archive has already been
1816         included.
1817         * gold/archive.h (Archive::include_all_members_): New data member.
1818
1819 2011-06-02  Nick Clifton  <nickc@redhat.com>
1820
1821         * dynobj.h: Fix spelling mistake in comment.
1822         * output.cc: Likewise.
1823
1824 2011-05-31  Doug Kwan  <dougkwan@google.com>
1825             Asier Llano
1826
1827         PR gold/12826
1828         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1829         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1830         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1831         redundant arm_exidx_test.so.
1832         * testsuite/Makefile.in: Regenerate.
1833         (check_SCRIPTS): Add pr12826.sh
1834         (check_DATA): Add pr12826.stdout
1835         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1836         * testsuite/pr12826.sh: New file.
1837         * testsuite/pr12826_1.s: Ditto.
1838         * testsuite/pr12826_1.s: Ditto.
1839
1840 2011-05-30  Ian Lance Taylor  <iant@google.com>
1841
1842         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1843         sections.
1844
1845 2011-05-29  Ian Lance Taylor  <iant@google.com>
1846
1847         PR gold/12804
1848         * testsuite/Makefile.am: Use different file name for two_file_test
1849         temporary file for each incremental test.
1850         * testsuite/Makefile.in: Rebuild.
1851
1852 2011-05-29  Ian Lance Taylor  <iant@google.com>
1853
1854         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1855         binary input file is empty.
1856
1857 2011-05-27  Ian Lance Taylor  <iant@google.com>
1858
1859         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1860         (ver_test_9.so): Likewise.
1861         * testsuite/Makefile.in: Rebuild.
1862
1863 2011-05-26 Cary Coutant  <ccoutant@google.com>
1864
1865         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1866         * incremental.cc (Incremental_inputs::report_input_section): Fix
1867         comment, indentation.
1868         (Incremental_inputs::report_comdat_group): New function.
1869         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1870         of data for incremental input file entry.
1871         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1872         group count, COMDAT group signatures.
1873         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1874         an unchanged input file.
1875         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1876         Initialize new data member.
1877         (Incremental_object_entry::add_comdat_group): New function.
1878         (Incremental_object_entry::get_comdat_group_count): New function.
1879         (Incremental_object_entry::get_comdat_signature_key): New function.
1880         (Incremental_object_entry::groups_): New data member.
1881         (Incremental_inputs::report_comdat_group): New function.
1882         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1883         data for incremental input file entry.
1884         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1885         (Incremental_input_entry_reader::get_input_section): Adjust size of
1886         data for incremental input file entry.
1887         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1888         (Incremental_input_entry_reader::get_comdat_group_signature): New
1889         function.
1890         * object.cc (Sized_relobj::include_section_group): Report kept
1891         COMDAT groups for incremental links.
1892
1893 2011-05-24  David Meyer  <pdox@google.com>
1894
1895         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1896         with name parameter.  Add found_name parameter.
1897         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1898         * dirsearch.h (class Dirsearch): Update declaration.
1899
1900 2011-05-24  Ian Lance Taylor  <iant@google.com>
1901
1902         * archive.cc (Library_base::should_include_member): Pull in object
1903         from archive if it defines the entry symbol.
1904         * parameters.cc (Parameters::entry): New function.
1905         * parameters.h (class Parameters): Declare entry.
1906         * output.h (class Output_file_header): Remove entry_ field.
1907         * output.cc (Output_file_header::Output_file_header): Remove entry
1908         parameter.  Change all callers.
1909         (Output_file_header::entry): Use parameters->entry.
1910         * gold.cc (queue_middle_tasks): Likewise.
1911         * plugin.cc (Plugin_hook::run): Likewise.
1912
1913 2011-05-24 Cary Coutant  <ccoutant@google.com>
1914
1915         * gold.cc (queue_initial_tasks): Pass incremental base filename
1916         to Output_file::open_base_file; don't print error message.
1917         * incremental-dump.cc (main): Adjust call to
1918         Output_file::open_for_modification.
1919         * incremental-dump.cc (main): Likewise.
1920         * incremental.cc (Incremental_inputs::report_command_line):
1921         Ignore --incremental-base option when comparing command lines.
1922         Ignore parameter when given as separate argument.
1923         * options.h (class General_options): Add --incremental-base.
1924         * output.cc (Output_file::Output_file):
1925         (Output_file::open_base_file): Add base_name and writable parameters;
1926         read base file into new file; print error message here.
1927         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1928         callers.
1929         * output.h (Output_file::open_for_modification): Rename to...
1930         (Output_file::open_base_file): ...this; add base_name and
1931         writable parameters; adjust all callers.
1932         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1933         callers.
1934         * testsuite/Makefile.am (incremental_test_4): Test
1935         --incremental-base.
1936         * testsuite/Makefile.in: Regenerate.
1937
1938 2011-05-24 Cary Coutant  <ccoutant@google.com>
1939
1940         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1941         incremental_test_4.
1942         * testsuite/Makefile.in: Regenerate.
1943         * testsuite/two_file_test_1_v1.cc: New test source file.
1944         * testsuite/two_file_test_1b_v1.cc: New test source file.
1945         * testsuite/two_file_test_2_v1.cc: New test source file.
1946
1947 2011-05-24 Cary Coutant  <ccoutant@google.com>
1948
1949         * dynobj.h (Dynobj::do_dynobj): New function.
1950         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1951         flag and soname for shared objects.
1952         * incremental.cc (Incremental_inputs::report_object): Make
1953         either Incremental_object_entry or Incremental_dynobj_entry; add
1954         soname to string table.
1955         (Incremental_inputs::report_input_section): Add assertion.
1956         (Output_section_incremental_inputs::set_final_data_size): Adjust
1957         type of input file entry for shared libraries; adjust size of
1958         shared library info entry.
1959         (Output_section_incremental_inputs::write_input_files): Write
1960         as_needed flag for shared libraries.
1961         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1962         of input file entry for shared libraries; write soname.
1963         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1964         soname from incremental info.
1965         * incremental.h (enum Incremental_input_flags): Add
1966         INCREMENTAL_INPUT_AS_NEEDED.
1967         (Incremental_input_entry::Incremental_input_entry): Initialize new
1968         data member.
1969         (Incremental_input_entry::set_as_needed): New function.
1970         (Incremental_input_entry::as_needed): New function.
1971         (Incremental_input_entry::do_dynobj_entry): New function.
1972         (Incremental_input_entry::as_needed_): New data member.
1973         (Incremental_object_entry::Incremental_object_entry): Don't check
1974         for shared library.
1975         (Incremental_object_entry::do_type): Likewise.
1976         (class Incremental_dynobj_entry): New class.
1977         (Incremental_input_entry_reader::as_needed): New function.
1978         (Incremental_input_entry_reader::get_soname): New function.
1979         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1980         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1981         size of shared library info entry.
1982         * layout.cc (Layout::finish_dynamic_section): Don't test for
1983         incremental link when adding DT_NEEDED entries.
1984         * object.h (Object::Object): Initialize new data member.
1985         (Object::dynobj): New function.
1986         (Object::set_as_needed): New function.
1987         (Object::as_needed): New function.
1988         (Object::do_dynobj): New function.
1989         (Object::as_needed_): New data member.
1990
1991 2011-05-24 Cary Coutant  <ccoutant@google.com>
1992
1993         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1994         info; adjust display of GOT entries.
1995         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1996         vector of input objects; remove file_status_.
1997         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1998         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1999         got_plt reader; call target hooks to reserve GOT entries.
2000         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2001         of input file info header and GOT info entry.
2002         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
2003         relocation info.
2004         (Got_plt_view_info::got_descriptor): Remove.
2005         (Got_plt_view_info::sym_index): New data member.
2006         (Got_plt_view_info::input_index): New data member.
2007         (Local_got_offset_visitor::visit): Write input file index.
2008         (Global_got_offset_visitor::visit): Write 0 for input file index.
2009         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
2010         with sym_index and input_index.
2011         (Output_section_incremental_inputs::write_got_plt): Adjust size of
2012         incremental info GOT entry; replace got_descriptor with input_index.
2013         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
2014         map from input file index to object.
2015         (Sized_relobj_incr::do_layout): Replace direct data member reference
2016         with accessor function.
2017         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
2018         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
2019         Adjust size of input file info header.
2020         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
2021         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
2022         (Incremental_input_entry_reader::get_input_section): Adjust size of
2023         input file info header.
2024         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
2025         of incremental info GOT entry.
2026         (Incremental_got_plt_reader::get_got_desc): Remove.
2027         (Incremental_got_plt_reader::get_got_symndx): New function.
2028         (Incremental_got_plt_reader::get_got_input_index): New function.
2029         (Sized_incremental_binary::Sized_incremental_binary): Remove
2030         file_status_; add input_objects_.
2031         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
2032         (Sized_incremental_binary::set_file_is_unchanged): Remove.
2033         (Sized_incremental_binary::file_is_unchanged): Remove.
2034         (Sized_incremental_binary::set_input_object): New function.
2035         (Sized_incremental_binary::input_object): New function.
2036         (Sized_incremental_binary::file_status_): Remove.
2037         (Sized_incremental_binary::input_objects_): New data member.
2038         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
2039         references.
2040         (Sized_relobj_incr::invalid_address): Move to base class.
2041         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
2042         class.
2043         (Sized_relobj_incr::do_output_section_offset): Likewise.
2044         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
2045         (Sized_relobj_incr::section_offsets_): Likewise.
2046         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
2047         function.
2048         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
2049         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
2050         with accessor function.
2051         (Sized_relobj_file::do_layout): Likewise.
2052         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
2053         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
2054         (Sized_relobj_file::compute_final_local_value): Replace refs to
2055         section_offsets_ with accessor function.
2056         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
2057         * object.h (Relobj::Relobj): Initialize new data members.
2058         (Relobj::add_dyn_reloc): New function.
2059         (Relobj::first_dyn_reloc): New function.
2060         (Relobj::dyn_reloc_count): New function.
2061         (Relobj::first_dyn_reloc_): New data member.
2062         (Relobj::dyn_reloc_count_): New data member.
2063         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
2064         references.
2065         (Sized_relobj::Address): New typedef.
2066         (Sized_relobj::invalid_address): Move here from child class.
2067         (Sized_relobj::Sized_relobj): Initialize new data members.
2068         (Sized_relobj::sized_relobj): New function.
2069         (Sized_relobj::is_output_section_offset_invalid): Move here from
2070         child class.
2071         (Sized_relobj::get_output_section_offset): Likewise.
2072         (Sized_relobj::local_has_got_offset): Likewise.
2073         (Sized_relobj::local_got_offset): Likewise.
2074         (Sized_relobj::set_local_got_offset): Likewise.
2075         (Sized_relobj::do_for_all_local_got_entries): Likewise.
2076         (Sized_relobj::clear_got_offsets): New function.
2077         (Sized_relobj::section_offsets): Move here from child class.
2078         (Sized_relobj::do_output_section_offset): Likewise.
2079         (Sized_relobj::do_set_section_offset): Likewise.
2080         (Sized_relobj::Local_got_offsets): Likewise.
2081         (Sized_relobj::local_got_offsets_): Likewise.
2082         (Sized_relobj::section_offsets_): Likewise.
2083         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
2084         references.
2085         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
2086         class.
2087         (Sized_relobj_file::sized_relobj): New function
2088         (Sized_relobj_file::local_has_got_offset): Move to base class.
2089         (Sized_relobj_file::local_got_offset): Likewise.
2090         (Sized_relobj_file::set_local_got_offset): Likewise.
2091         (Sized_relobj_file::get_output_section_offset): Likewise.
2092         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
2093         (Sized_relobj_file::do_output_section_offset): Likewise.
2094         (Sized_relobj_file::do_set_section_offset): Likewise.
2095         (Sized_relobj_file::Local_got_offsets): Likewise.
2096         (Sized_relobj_file::local_got_offsets_): Likewise.
2097         (Sized_relobj_file::section_offsets_): Likewise.
2098         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
2099         (all constructors).
2100         (set_needs_dynsym_index): Convert relobj to derived class pointer.
2101         (Output_reloc::get_symbol_index): Likewise.
2102         (Output_reloc::local_section_offset): Likewise.
2103         (Output_reloc::get_address): Likewise.
2104         (Output_reloc::symbol_value): Likewise.
2105         (Output_data_got::reserve_slot): Move to class definition.
2106         (Output_data_got::reserve_local): New function.
2107         (Output_data_got::reserve_slot_for_global): Remove.
2108         (Output_data_got::reserve_global): New function.
2109         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
2110         (all constructors, two instantiations).
2111         (Output_reloc::get_relobj): New function (two instantiations).
2112         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
2113         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
2114         (Output_data_reloc::add_global): Adjust type of relobj.
2115         (Output_data_reloc::add_global_relative): Likewise.
2116         (Output_data_reloc::add_symbolless_global_addend): Likewise.
2117         (Output_data_reloc::add_local): Likewise.
2118         (Output_data_reloc::add_local_relative): Likewise.
2119         (Output_data_reloc::add_symbolless_local_addend): Likewise.
2120         (Output_data_reloc::add_local_section): Likewise.
2121         (Output_data_reloc::add_output_section): Likewise.
2122         (Output_data_reloc::add_absolute): Likewise.
2123         (Output_data_reloc::add_target_specific): Likewise.
2124         (Output_data_got::reserve_slot): Move definition here.
2125         (Output_data_got::reserve_local): New function.
2126         (Output_data_got::reserve_global): New function.
2127         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
2128         section_offsets_ with accessor function.
2129         (Sized_relobj_file::write_sections): Likewise.
2130         (Sized_relobj_file::do_relocate_sections): Likewise.
2131         * target.h (Sized_target::reserve_local_got_entry): New function.
2132         (Sized_target::reserve_global_got_entry): New function.
2133         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
2134         (Target_x86_64::reserve_global_got_entry): New function.
2135         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
2136
2137 2011-05-23 Cary Coutant  <ccoutant@google.com>
2138
2139         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
2140         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
2141         bit when checking got_type.
2142         * incremental.cc (Sized_incremental_binary::setup_readers):
2143         Store symbol table and string table locations; initialize bit vector
2144         of file status flags.
2145         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
2146         unchanged files.
2147         (Sized_incremental_binary::do_process_got_plt): New function.
2148         (Sized_incremental_binary::get_symtab_view): Use stored locations.
2149         (Output_section_incremental_inputs::set_final_data_size): Record
2150         file index for each input file.
2151         (Output_section_incremental_inputs::write_got_plt): Store file index
2152         instead of input entry offset for each GOT entry.
2153         * incremental.h
2154         (Incremental_input_entry::Incremental_input_entry): Initialize new
2155         data member.
2156         (Incremental_input_entry::set_offset): Store file index.
2157         (Incremental_input_entry::get_file_index): New function.
2158         (Incremental_input_entry::file_index_): New data member.
2159         (Incremental_binary::process_got_plt): New function.
2160         (Incremental_binary::do_process_got_plt): New function.
2161         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2162         data members.
2163         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2164         (Sized_incremental_binary::set_file_is_unchanged): New function.
2165         (Sized_incremental_binary::file_is_unchanged): New function.
2166         (Sized_incremental_binary::do_process_got_plt): New function.
2167         (Sized_incremental_binary::file_status_): New data member.
2168         (Sized_incremental_binary::main_symtab_loc_): New data member.
2169         (Sized_incremental_binary::main_strtab_loc_): New data member.
2170         * output.cc (Output_data_got::Got_entry::write): Add case
2171         RESERVED_CODE.
2172         (Output_data_got::add_global): Call add_got_entry.
2173         (Output_data_got::add_global_plt): Likewise.
2174         (Output_data_got::add_global_with_rel): Likewise.
2175         (Output_data_got::add_global_with_rela): Likewise.
2176         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2177         (Output_data_got::add_global_pair_with_rela): Likewise.
2178         (Output_data_got::add_local): Call add_got_entry.
2179         (Output_data_got::add_local_plt): Likewise.
2180         (Output_data_got::add_local_with_rel): Likewise.
2181         (Output_data_got::add_local_with_rela): Likewise.
2182         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2183         (Output_data_got::add_local_pair_with_rela): Likewise.
2184         (Output_data_got::reserve_slot): New function.
2185         (Output_data_got::reserve_slot_for_global): New function.
2186         (Output_data_got::add_got_entry): New function.
2187         (Output_data_got::add_got_entry_pair): New function.
2188         (Output_section::add_output_section_data): Edit FIXME.
2189         * output.h
2190         (Output_section_data_build::Output_section_data_build): New
2191         constructor with size parameter.
2192         (Output_data_space::Output_data_space): Likewise.
2193         (Output_data_got::Output_data_got): Initialize new data member; new
2194         constructor with size parameter.
2195         (Output_data_got::add_constant): Call add_got_entry.
2196         (Output_data_got::reserve_slot): New function.
2197         (Output_data_got::reserve_slot_for_global): New function.
2198         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2199         (Output_data_got::add_got_entry): New function.
2200         (Output_data_got::add_got_entry_pair): New function.
2201         (Output_data_got::free_list_): New data member.
2202         * target.h (Sized_target::init_got_plt_for_update): New function.
2203         (Sized_target::register_global_plt_entry): New function.
2204         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2205         Initialize new data member; call init; add constructor with PLT count.
2206         (Output_data_plt_x86_64::init): New function.
2207         (Output_data_plt_x86_64::add_relocation): New function.
2208         (Output_data_plt_x86_64::reserve_slot): New function.
2209         (Output_data_plt_x86_64::free_list_): New data member.
2210         (Target_x86_64::init_got_plt_for_update): New function.
2211         (Target_x86_64::register_global_plt_entry): New function.
2212         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2213         incremental updates.
2214         (Output_data_plt_x86_64::add_relocation): New function.
2215         * testsuite/object_unittest.cc (Object_test): Set default options.
2216
2217 2011-05-16  Ian Lance Taylor  <iant@google.com>
2218
2219         * options.h (class General_options): Make -i a synonym for -r.
2220
2221 2011-05-16  Ian Lance Taylor  <iant@google.com>
2222
2223         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2224
2225 2011-05-10 Cary Coutant  <ccoutant@google.com>
2226
2227         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2228         strip_all (-s).
2229
2230 2011-05-06  Ian Lance Taylor  <iant@google.com>
2231
2232         * layout.cc (Layout::layout): If the output section flags change,
2233         update the ordering.
2234
2235 2011-04-25 Cary Coutant  <ccoutant@google.com>
2236
2237         * incremental-dump.cc (dump_incremental_inputs): Print local
2238         symbol info for each input file.
2239         * incremental.cc
2240         (Output_section_incremental_inputs::set_final_data_size): Add local
2241         symbol info to input file entries in incremental info.
2242         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2243         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2244         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2245         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2246         implementation.
2247         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2248         (Sized_incr_relobj::do_relocate): Write the local symbols.
2249         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2250         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2251         Adjust size of input file header.
2252         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2253         (Incremental_inputs_reader::get_local_symbol_count): New function.
2254         (Incremental_inputs_reader::get_input_section): Adjust size of input
2255         file header.
2256         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2257         (Sized_incr_relobj::This): New typedef.
2258         (Sized_incr_relobj::sym_size): New const data member.
2259         (Sized_incr_relobj::Local_symbol): New struct.
2260         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2261         (Sized_incr_relobj::do_local_symbol_offset): New function.
2262         (Sized_incr_relobj::local_symbol_count_): New data member.
2263         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2264         (Sized_incr_relobj::local_symbol_index_): New data member.
2265         (Sized_incr_relobj::local_symbol_offset_): New data member.
2266         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2267         (Sized_incr_relobj::local_symbols_): New data member.
2268         * object.h (Relobj::output_local_symbol_count): New function.
2269         (Relobj::local_symbol_offset): New function.
2270         (Relobj::do_output_local_symbol_count): New function.
2271         (Relobj::do_local_symbol_offset): New function.
2272         (Sized_relobj::do_output_local_symbol_count): New function.
2273         (Sized_relobj::do_local_symbol_offset): New function.
2274
2275 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2276
2277         * descriptors.cc (set_close_on_exec): New function.
2278         (Descriptors::open): Use set_close_on_exec.
2279         * output.cc (S_ISLNK): Define if not defined.
2280
2281 2011-04-22 Cary Coutant  <ccoutant@google.com>
2282
2283         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2284         global symbol map.
2285         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2286         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2287         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2288         relocations.
2289         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2290         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2291         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2292         * incremental.h
2293         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2294         function.
2295         (Incremental_binary::apply_incremental_relocs): New function.
2296         (Incremental_binary::do_apply_incremental_relocs): New function.
2297         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2298         data member.
2299         (Sized_incremental_binary::add_global_symbol): New function.
2300         (Sized_incremental_binary::global_symbol): New function.
2301         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2302         (Sized_incremental_binary::symbol_map_): New data member.
2303         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2304         * target.h (Sized_target::apply_relocation): New function.
2305         * target-reloc.h (apply_relocation): New function.
2306         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2307
2308 2011-04-22  Doug Kwan  <dougkwan@google.com>
2309
2310         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2311         flag of a SHT_ARM_EXIDX section.
2312         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2313         * testsuite/Makefile.in: Regenerate.
2314         * testsuite/arm_exidx_test.s: New file.
2315         * testsuite/arm_exidx_test.sh: Same.
2316
2317 2011-04-20 Cary Coutant  <ccoutant@google.com>
2318
2319         PR gold/12689
2320         * archive.h (Incremental_archive_entry::Archive_member):
2321         Initialize arg_serial_ (second constructor).
2322
2323 2011-04-17  Ian Lance Taylor  <iant@google.com>
2324
2325         * object.cc (Relocate_info::location): Simplify location string.
2326         * errors.cc (Errors::error_at_location): Don't print program
2327         name.
2328         (Errors::warning_at_location): Likewise.
2329         (Errors::undefined_symbol): Likewise.
2330         * testsuite/debug_msg.sh: Update accordingly.
2331
2332 2011-04-14 Cary Coutant  <ccoutant@google.com>
2333
2334         * gold/layout.cc (Layout::symtab_section_offset): New function.
2335         * gold/layout.h (Layout::symtab_section_offset): New function.
2336         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2337
2338 2011-04-12  Ian Lance Taylor  <iant@google.com>
2339
2340         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2341         with MREMAP_MAYMOVE.
2342         * output.h (class Output_file): Add map_is_allocated_ field.
2343         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2344         not available, provide stubs.  If mremap is not available, #define
2345         it to gold_mremap.
2346         (MREMAP_MAYMOVE): Define if not defined.
2347         (Output_file::Output_file): Initialize map_is_allocated_.
2348         (Output_file::resize): Check map_is_allocated_.
2349         (Output_file::map_anonymous): If mmap fails, use malloc.
2350         (Output_file::unmap): Don't do anything for an anonymous map.
2351         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2352         is not available, provide stubs.
2353         (File_read::View::~View): Use free rather than delete[].
2354         (File_read::make_view): Use malloc rather than new[].  If mmap
2355         fails, use malloc.
2356         (File_read::find_or_make_view): Use malloc rather than new[].
2357         * gold.h: Remove HAVE_REMAP code.
2358         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2359         exists.  Rename mremap to gold_mremap.  If mmap is not available
2360         don't do anything.
2361         * configure, config.in: Rebuild.
2362
2363 2011-04-11  Ian Lance Taylor  <iant@google.com>
2364
2365         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2366         initialize local variable v.
2367
2368 2011-04-11  Cary Coutant  <ccoutant@google.com>
2369
2370         * archive.cc (Archive::include_member): Adjust call to
2371         report_object.
2372         (Add_archive_symbols::run): Track argument serial numbers.
2373         (Lib_group::include_member): Likewise.
2374         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2375         * archive.h (Incremental_archive_entry::Archive_member):
2376         Initialize arg_serial_.
2377         (Archive_member::arg_serial_): New data member.
2378         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2379         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2380         incremental link.
2381         (Sized_dynobj::do_for_all_local_got_entries): New function.
2382         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2383         function.
2384         * fileread.cc (get_mtime): New function.
2385         * fileread.h (get_mtime): New function.
2386         * gold.cc (queue_initial_tasks): Check for incremental update.
2387         (process_incremental_input): New function.
2388         (queue_middle_tasks): Don't force valid target for incremental
2389         update.
2390         * incremental-dump.cc (find_input_containing_global): Adjust
2391         size of symbol info entry.
2392         (dump_incremental_inputs): Dump argument serial number and
2393         in_system_directory flag; bias shndx by 1; print symbol names
2394         when dumping per-file symbol lists; use new symbol info readers.
2395         * incremental.cc
2396         (Output_section_incremental_inputs:update_data_size): New function.
2397         (Sized_incremental_binary::setup_readers): Setup input readers
2398         for each input file; build maps for files added from libraries
2399         and scripts.
2400         (Sized_incremental_binary::check_input_args): New function.
2401         (Sized_incremental_binary::do_check_inputs): Build map of argument
2402         serial numbers to input arguments.
2403         (Sized_incremental_binary::do_file_has_changed): Rename
2404         do_file_is_unchanged to this; compare file modification times.
2405         (Sized_incremental_binary::do_init_layout): New function.
2406         (Sized_incremental_binary::do_reserve_layout): New function.
2407         (Sized_incremental_binary::do_get_input_reader): Remove.
2408         (Sized_incremental_binary::get_symtab_view): New function.
2409         (Incremental_checker::can_incrementally_link_output_file): Remove.
2410         (Incremental_inputs::report_command_line): Exclude --debug options.
2411         (Incremental_inputs::report_archive_begin): Add parameter; track
2412         argument serial numbers; don't put input file entry for archive
2413         before archive members.
2414         (Incremental_inputs::report_archive_end): Put input file entry
2415         for archive after archive members.
2416         (Incremental_inputs::report_object): Add parameter; track argument
2417         serial numbers and in_system_directory flag.
2418         (Incremental_inputs::report_script): Add parameter; track argument
2419         serial numbers.
2420         (Output_section_incremental_inputs::set_final_data_size): Adjust
2421         size of symbol info entry; check for forwarding symbols.
2422         (Output_section_incremental_inputs::write_input_files): Write
2423         in_system_directory flag and argument serial number.
2424         (Output_section_incremental_inputs::write_info_blocks): Map section
2425         indices between incremental info and original input file; store
2426         input section index for each symbol.
2427         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2428         change operator() to visit().
2429         (class Global_got_offset_visitor): Likewise.
2430         (class Global_symbol_visitor_got_plt):
2431         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2432         classes.
2433         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2434         (Sized_incr_relobj::do_read_symbols): New function.
2435         (Sized_incr_relobj::do_layout): New function.
2436         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2437         (Sized_incr_relobj::do_add_symbols): New function.
2438         (Sized_incr_relobj::do_should_include_member): New function.
2439         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2440         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2441         (Sized_incr_relobj::do_section_size): New function.
2442         (Sized_incr_relobj::do_section_name): New function.
2443         (Sized_incr_relobj::do_section_contents): New function.
2444         (Sized_incr_relobj::do_section_flags): New function.
2445         (Sized_incr_relobj::do_section_entsize): New function.
2446         (Sized_incr_relobj::do_section_address): New function.
2447         (Sized_incr_relobj::do_section_type): New function.
2448         (Sized_incr_relobj::do_section_link): New function.
2449         (Sized_incr_relobj::do_section_info): New function.
2450         (Sized_incr_relobj::do_section_addralign): New function.
2451         (Sized_incr_relobj::do_initialize_xindex): New function.
2452         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2453         (Sized_incr_relobj::do_read_relocs): New function.
2454         (Sized_incr_relobj::do_gc_process_relocs): New function.
2455         (Sized_incr_relobj::do_scan_relocs): New function.
2456         (Sized_incr_relobj::do_count_local_symbols): New function.
2457         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2458         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2459         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2460         (Sized_incr_relobj::do_relocate): New function.
2461         (Sized_incr_relobj::do_set_section_offset): New function.
2462         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2463         (Sized_incr_dynobj::do_read_symbols): New function.
2464         (Sized_incr_dynobj::do_layout): New function.
2465         (Sized_incr_dynobj::do_add_symbols): New function.
2466         (Sized_incr_dynobj::do_should_include_member): New function.
2467         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2468         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2469         (Sized_incr_dynobj::do_section_size): New function.
2470         (Sized_incr_dynobj::do_section_name): New function.
2471         (Sized_incr_dynobj::do_section_contents): New function.
2472         (Sized_incr_dynobj::do_section_flags): New function.
2473         (Sized_incr_dynobj::do_section_entsize): New function.
2474         (Sized_incr_dynobj::do_section_address): New function.
2475         (Sized_incr_dynobj::do_section_type): New function.
2476         (Sized_incr_dynobj::do_section_link): New function.
2477         (Sized_incr_dynobj::do_section_info): New function.
2478         (Sized_incr_dynobj::do_section_addralign): New function.
2479         (Sized_incr_dynobj::do_initialize_xindex): New function.
2480         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2481         (make_sized_incremental_object): New function.
2482         (Incremental_library::copy_unused_symbols): New function.
2483         (Incremental_library::do_for_all_unused_symbols): New function.
2484         * incremental.h (enum Incremental_input_flags): New type.
2485         (class Incremental_checker): Remove.
2486         (Incremental_input_entry::Incremental_input_entry): Add argument
2487         serial number.
2488         (Incremental_input_entry::arg_serial): New function.
2489         (Incremental_input_entry::set_is_in_system_directory): New function.
2490         (Incremental_input_entry::is_in_system_directory): New function.
2491         (Incremental_input_entry::arg_serial_): New data member.
2492         (Incremental_input_entry::is_in_system_directory_): New data member.
2493         (class Script_info): Move here from script.h.
2494         (Script_info::Script_info): Add filename parameter.
2495         (Script_info::filename): New function.
2496         (Script_info::filename_): New data member.
2497         (Incremental_script_entry::Incremental_script_entry): Add argument
2498         serial number.
2499         (Incremental_object_entry::Incremental_object_entry): Likewise.
2500         (Incremental_object_entry::add_input_section): Build list of input
2501         sections with map to original shndx.
2502         (Incremental_object_entry::get_input_section_index): New function.
2503         (Incremental_object_entry::shndx_): New data member.
2504         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2505         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2506         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2507         serial number.
2508         (Incremental_inputs::report_archive_begin): Likewise.
2509         (Incremental_inputs::report_object): Likewise.
2510         (Incremental_inputs::report_script): Likewise.
2511         (class Incremental_global_symbol_reader): New class.
2512         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2513         and store flags and input file type.
2514         (Incremental_input_entry_reader::arg_serial): New function.
2515         (Incremental_input_entry_reader::type): Extract type from flags.
2516         (Incremental_input_entry_reader::is_in_system_directory): New function.
2517         (Incremental_input_entry_reader::get_input_section_count): Call
2518         accessor function for type.
2519         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2520         function for type; adjust size of global symbol entry.
2521         (Incremental_input_entry_reader::get_global_symbol_count): Call
2522         accessor function for type.
2523         (Incremental_input_entry_reader::get_object_count): Likewise.
2524         (Incremental_input_entry_reader::get_object_offset): Likewise.
2525         (Incremental_input_entry_reader::get_member_count): Likewise.
2526         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2527         (Incremental_input_entry_reader::get_member_offset): Likewise.
2528         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2529         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2530         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2531         (Incremental_input_entry_reader::get_global_symbol_reader): New
2532         function.
2533         (Incremental_input_entry_reader::get_output_symbol_index): New
2534         function.
2535         (Incremental_input_entry_reader::type_): Remove.
2536         (Incremental_input_entry_reader::flags_): New data member.
2537         (Incremental_inputs_reader::input_file_offset): New function.
2538         (Incremental_inputs_reader::input_file_index): New function.
2539         (Incremental_inputs_reader::input_file): Call input_file_offset.
2540         (Incremental_inputs_reader::input_file_at_offset): New function.
2541         (Incremental_relocs_reader::get_r_type): Reformat.
2542         (Incremental_relocs_reader::get_r_shndx): Reformat.
2543         (Incremental_relocs_reader::get_r_offset): Reformat.
2544         (Incremental_relocs_reader::data): New function.
2545         (Incremental_binary::Incremental_binary): Initialize new data members.
2546         (Incremental_binary::check_inputs): Add cmdline parameter.
2547         (Incremental_binary::file_is_unchanged): Remove.
2548         (Input_reader::arg_serial): New function.
2549         (Input_reader::get_unused_symbol_count): New function.
2550         (Input_reader::get_unused_symbol): New function.
2551         (Input_reader::do_arg_serial): New function.
2552         (Input_reader::do_get_unused_symbol_count): New function.
2553         (Input_reader::do_get_unused_symbol): New function.
2554         (Incremental_binary::input_file_count): New function.
2555         (Incremental_binary::get_input_reader): Change signature to use
2556         index instead of filename.
2557         (Incremental_binary::file_has_changed): New function.
2558         (Incremental_binary::get_input_argument): New function.
2559         (Incremental_binary::get_library): New function.
2560         (Incremental_binary::get_script_info): New function.
2561         (Incremental_binary::init_layout): New function.
2562         (Incremental_binary::reserve_layout): New function.
2563         (Incremental_binary::output_file): New function.
2564         (Incremental_binary::do_check_inputs): New function.
2565         (Incremental_binary::do_file_is_unchanged): Remove.
2566         (Incremental_binary::do_file_has_changed): New function.
2567         (Incremental_binary::do_init_layout): New function.
2568         (Incremental_binary::do_reserve_layout): New function.
2569         (Incremental_binary::do_input_file_count): New function.
2570         (Incremental_binary::do_get_input_reader): Change signature.
2571         (Incremental_binary::input_args_map_): New data member.
2572         (Incremental_binary::library_map_): New data member.
2573         (Incremental_binary::script_map_): New data member.
2574         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2575         new data members.
2576         (Sized_incremental_binary::output_section): New function.
2577         (Sized_incremental_binary::inputs_reader): Add const.
2578         (Sized_incremental_binary::symtab_reader): Add const.
2579         (Sized_incremental_binary::relocs_reader): Add const.
2580         (Sized_incremental_binary::got_plt_reader): Add const.
2581         (Sized_incremental_binary::get_symtab_view): New function.
2582         (Sized_incremental_binary::Inputs_reader): New typedef.
2583         (Sized_incremental_binary::Input_entry_reader): New typedef.
2584         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2585         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2586         (Sized_incremental_binary::do_file_has_changed): New function.
2587         (Sized_incremental_binary::do_init_layout): New function.
2588         (Sized_incremental_binary::do_reserve_layout): New function.
2589         (Sized_input_reader::Inputs_reader): Remove.
2590         (Sized_input_reader::Input_entry_reader): Remove.
2591         (Sized_input_reader::do_arg_serial): New function.
2592         (Sized_input_reader::do_get_unused_symbol_count): New function.
2593         (Sized_input_reader::do_get_unused_symbol): New function.
2594         (Sized_incremental_binary::do_input_file_count): New function.
2595         (Sized_incremental_binary::do_get_input_reader): Change signature;
2596         use index instead of filename.
2597         (Sized_incremental_binary::section_map_): New data member.
2598         (Sized_incremental_binary::input_entry_readers_): New data member.
2599         (class Sized_incr_relobj): New class.
2600         (class Sized_incr_dynobj): New class.
2601         (make_sized_incremental_object): New function.
2602         (class Incremental_library): New class.
2603         * layout.cc (Free_list::num_lists): New static data member.
2604         (Free_list::num_nodes): New static data member.
2605         (Free_list::num_removes): New static data member.
2606         (Free_list::num_remove_visits): New static data member.
2607         (Free_list::num_allocates): New static data member.
2608         (Free_list::num_allocate_visits): New static data member.
2609         (Free_list::init): New function.
2610         (Free_list::remove): New function.
2611         (Free_list::allocate): New function.
2612         (Free_list::dump): New function.
2613         (Free_list::print_stats): New function.
2614         (Layout_task_runner::run): Resize output file for incremental updates.
2615         (Layout::Layout): Initialize new data members.
2616         (Layout::set_incremental_base): New function.
2617         (Layout::init_fixed_output_section): New function.
2618         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2619         incremental updates.
2620         (Layout::create_gold_note): Do not create gold note section for
2621         incremental updates.
2622         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2623         for incremental updates.
2624         (Layout::set_section_offsets): For incremental updates, allocate space
2625         from free list.
2626         (Layout::create_symtab_sections): Layout with offsets relative to
2627         start of section; for incremental updates, allocate space from free
2628         list.
2629         (Layout::create_shdrs): For incremental updates, allocate space from
2630         free list.
2631         (Layout::finish_dynamic_section): For incremental updates, do not
2632         check --as-needed (fixed in subsequent patch).
2633         * layout.h (class Free_list): New class.
2634         (Layout::set_incremental_base): New function.
2635         (Layout::incremental_base): New function.
2636         (Layout::init_fixed_output_section): New function.
2637         (Layout::allocate): New function.
2638         (Layout::incremental_base_): New data member.
2639         (Layout::free_list_): New data member.
2640         * main.cc (main): Print Free_list statistics.
2641         * object.cc (Relobj::finalize_incremental_relocs): Add
2642         clear_counts parameter; clear counts only when clear_counts is set.
2643         (Sized_relobj::Sized_relobj): Initialize new base class.
2644         (Sized_relobj::do_layout): Don't report special sections.
2645         (Sized_relobj::do_for_all_local_got_entries): New function.
2646         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2647         symtab_off to all symbol table offsets.
2648         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2649         * object.h (class Got_offset_list): Move to top of file.
2650         (Object::Object): Allow case where input_file == NULL.
2651         (Object::~Object): Likewise.
2652         (Object::input_file): Assert that input_file != NULL.
2653         (Object::lock): Allow case where input_file == NULL.
2654         (Object::unlock): Likewise.
2655         (Object::is_locked): Likewise.
2656         (Object::token): Likewise.
2657         (Object::release): Likewise.
2658         (Object::is_incremental): New function.
2659         (Object::get_mtime): New function.
2660         (Object::for_all_local_got_entries): New function.
2661         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2662         (Object::set_is_in_system_directory): New function.
2663         (Object::is_in_system_directory): New function.
2664         (Object::do_is_incremental): New function.
2665         (Object::do_get_mtime): New function.
2666         (Object::do_for_all_local_got_entries): New function.
2667         (Object::is_in_system_directory_): New data member.
2668         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2669         (class Sized_relobj_base): New class.
2670         (class Sized_relobj): Derive from Sized_relobj_base.
2671         (class Sized_relobj::Symbols): Redeclare from base class.
2672         (class Sized_relobj::local_got_offset_list): Remove.
2673         (class Sized_relobj::Output_sections): Redeclare from base class.
2674         (class Sized_relobj::do_for_all_local_got_entries): New function.
2675         (class Sized_relobj::write_local_symbols): Add offset parameter.
2676         (class Sized_relobj::local_symbol_offset_): Update comment.
2677         (class Sized_relobj::local_dynsym_offset_): Update comment.
2678         * options.cc (Input_arguments::add_file): Remove const.
2679         * options.h (Input_file_argument::Input_file_argument):
2680         Initialize arg_serial_ (all constructors).
2681         (Input_file_argument::set_arg_serial): New function.
2682         (Input_file_argument::arg_serial): New function.
2683         (Input_file_argument::arg_serial_): New data member.
2684         (Input_arguments::Input_arguments): Initialize file_count_.
2685         (Input_arguments::add_file): Remove const.
2686         (Input_arguments::number_of_input_files): New function.
2687         (Input_arguments::file_count_): New data member.
2688         (Command_line::number_of_input_files): Call
2689         Input_arguments::number_of_input_files.
2690         * output.cc (Output_segment_headers::Output_segment_headers):
2691         Set current size.
2692         (Output_section::Input_section::current_data_size): New function.
2693         (Output_section::Output_section): Initialize new data members.
2694         (Output_section::add_input_section): Don't do merge sections for
2695         an incremental link; allocate space from free list for an
2696         incremental update.
2697         (Output_section::add_output_section_data): Allocate space from
2698         free list for an incremental update.
2699         (Output_section::update_data_size): New function.
2700         (Output_section::set_fixed_layout): New function.
2701         (Output_section::reserve): New function.
2702         (Output_segment::set_section_addresses): Remove const.
2703         (Output_segment::set_section_list_addresses): Remove const; allocate
2704         space from free list for an incremental update.
2705         (Output_segment::set_offset): Adjust size of RELRO segment for an
2706         incremental update.
2707         * output.h (Output_data::current_data_size): Move here from
2708         child classes.
2709         (Output_data::pre_finalize_data_size): New function.
2710         (Output_data::update_data_size): New function.
2711         (Output_section_headers::update_data_size): new function.
2712         (Output_section_data_build::current_data_size): Move to Output_data.
2713         (Output_data_strtab::update_data_size): New function.
2714         (Output_section::current_data_size): Move to Output_data.
2715         (Output_section::set_fixed_layout): New function.
2716         (Output_section::has_fixed_layout): New function.
2717         (Output_section::reserve): New function.
2718         (Output_section::update_data_size): New function.
2719         (Output_section::has_fixed_layout_): New data member.
2720         (Output_section::free_list_): New data member.
2721         (Output_segment::set_section_addresses): Remove const.
2722         (Output_segment::set_section_list_addresses): Remove const.
2723         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2724         New function.
2725         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2726         New function.
2727         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2728         parameter when calling Add_symbols constructor; store argument
2729         serial number for members of a lib group.
2730         (Add_symbols::locks): Allow case where token == NULL.
2731         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2732         (Read_member::~Read_member): New function.
2733         (Read_member::is_runnable): New function.
2734         (Read_member::locks): New function.
2735         (Read_member::run): New function.
2736         (Check_script::~Check_script): New function.
2737         (Check_script::is_runnable): New function.
2738         (Check_script::locks): New function.
2739         (Check_script::run): New function.
2740         (Check_library::~Check_library): New function.
2741         (Check_library::is_runnable): New function.
2742         (Check_library::locks): New function.
2743         (Check_library::run): New function.
2744         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2745         (Add_symbols::library_): New data member.
2746         (class Read_member): New class.
2747         (class Check_script): New class.
2748         (class Check_library): New class.
2749         * reloc.cc (Read_relocs::is_runnable): Allow case where
2750         token == NULL.
2751         (Read_relocs::locks): Likewise.
2752         (Scan_relocs::locks): Likewise.
2753         (Relocate_task::locks): Likewise.
2754         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2755         to clear counters.
2756         (Sized_relobj::incremental_relocs_scan): Fix comment.
2757         (Sized_relobj::do_relocate): Pass output file offset to
2758         write_local_symbols.
2759         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2760         from class declaration.
2761         * script.cc (read_input_script): Allocate Script_info; pass
2762         argument serial number to report_script.
2763         * script.h (class Script_info): Move to incremental.h.
2764         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2765         * symtab.h (Symbol_table::add_from_incrobj): New function.
2766         (Symbol_table::set_file_offset): New function.
2767
2768 2011-04-05  Cary Coutant  <ccoutant@google.com>
2769
2770         * incremental-dump.cc (dump_incremental_inputs): Change signature
2771         to take a Sized_incremental_binary; change caller.  Use readers
2772         in Sized_incremental_binary.
2773         * incremental.cc
2774         (Sized_incremental_binary::find_incremental_inputs_sections):
2775         Rename do_find_incremental_inputs_sections to this.
2776         (Sized_incremental_binary::setup_readers): New function.
2777         (Sized_incremental_binary::do_check_inputs): Check
2778         has_incremental_info_ flag; move setup code to setup_readers;
2779         use input readers.
2780         (Sized_incremental_binary::do_file_is_unchanged): New function.
2781         (Sized_incremental_binary::do_get_input_reader): New function.
2782         * incremental.h (class Incremental_binary): Move to end of file.
2783         (Incremental_binary::file_is_unchanged): New function.
2784         (Incremental_binary::do_file_is_unchanged): New function.
2785         (Incremental_binary::Input_reader): New class.
2786         (Incremental_binary::get_input_reader): New function.
2787         (class Sized_incremental_binary): Move to end of file.
2788         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2789         input section reader classes.
2790         (Sized_incremental_binary::has_incremental_info): New function.
2791         (Sized_incremental_binary::inputs_reader): New function.
2792         (Sized_incremental_binary::symtab_reader): New function.
2793         (Sized_incremental_binary::relocs_reader): New function.
2794         (Sized_incremental_binary::got_plt_reader): New function.
2795         (Sized_incremental_binary::do_file_is_unchanged): New function.
2796         (Sized_incremental_binary::Sized_input_reader): New class.
2797         (Sized_incremental_binary::get_input_reader): New function.
2798         (Sized_incremental_binary::find_incremental_inputs_sections):
2799         Rename do_find_incremental_inputs_sections to this.
2800         (Sized_incremental_binary::setup_readers): New function.
2801         (Sized_incremental_binary::has_incremental_info_): New data member.
2802         (Sized_incremental_binary::inputs_reader_): New data member.
2803         (Sized_incremental_binary::symtab_reader_): New data member.
2804         (Sized_incremental_binary::relocs_reader_): New data member.
2805         (Sized_incremental_binary::got_plt_reader_): New data member.
2806         (Sized_incremental_binary::current_input_file_): New data member.
2807
2808 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2809
2810         PR gold/12640
2811         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2812         violation.
2813
2814 2011-03-30  Cary Coutant  <ccoutant@google.com>
2815
2816         * archive.cc (Archive::include_member): Adjust call to report_object.
2817         (Add_archive_symbols::run): Add script_info to call to
2818         report_archive_begin.
2819         (Lib_group::include_member): Adjust call to report_object.
2820         (Add_lib_group_symbols::run): Adjust call to report_object.
2821         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2822         blocks.  Add object count for script input files.
2823         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2824         script_info parameter; change all callers.
2825         (Incremental_inputs::report_object): Add script_info parameter;
2826         change all callers.
2827         (Incremental_inputs::report_script): Store backpointer to
2828         incremental info entry.
2829         (Output_section_incremental_inputs::set_final_data_size): Record
2830         additional information for scripts.
2831         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2832         * incremental.h (Incremental_script_entry::add_object): New function.
2833         (Incremental_script_entry::get_object_count): New function.
2834         (Incremental_script_entry::get_object): New function.
2835         (Incremental_script_entry::objects_): New data member; adjust
2836         constructor.
2837         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2838         (Incremental_inputs::report_object): Add script_info parameter.
2839         (Incremental_inputs_reader::get_object_count): New function.
2840         (Incremental_inputs_reader::get_object_offset): New function.
2841         * options.cc (Input_arguments::add_file): Return reference to
2842         new input argument.
2843         * options.h (Input_argument::set_script_info): New function.
2844         (Input_argument::script_info): New function.
2845         (Input_argument::script_info_): New data member; adjust all
2846         constructors.
2847         (Input_file_group::add_file): Return reference to new input argument.
2848         (Input_file_lib::add_file): Likewise.
2849         (Input_arguments::add_file): Likewise.
2850         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2851         * script.cc (Parser_closure::Parser_closure): Add script_info
2852         parameter; adjust all callers.
2853         (Parser_closure::script_info): New function.
2854         (Parser_closure::script_info_): New data member.
2855         (read_input_script): Report scripts earlier to incremental info.
2856         (script_add_file): Set script_info in Input_argument.
2857         (script_add_library): Likewise.
2858         * script.h (Script_options::Script_info): Rewrite class.
2859
2860 2011-03-29  Cary Coutant  <ccoutant@google.com>
2861
2862         * archive.cc (Library_base::should_include_member): Move
2863         method here from class Archive.
2864         (Archive::Archive): Initialize base class.
2865         (Archive::should_include_member): Move to base class.
2866         (Archive::do_for_all_unused_symbols): New function.
2867         (Add_archive_symbols::run): Remove redundant access to
2868         incremental_inputs.
2869         (Lib_group::Lib_group): Initialize base class.
2870         (Lib_group::do_filename): New function.
2871         (Lib_group::include_member): Pass pointer to Lib_group to
2872         report_object.
2873         (Lib_group::do_for_all_unused_symbols): New function.
2874         (Add_lib_group_symbols::run): Report archive information for
2875         incremental links.
2876         * archive.h (class Library_base): New base class.
2877         (class Archive): Derive from Library_base.
2878         (Archive::filename): Move to base class.
2879         (Archive::set_incremental_info): Likewise.
2880         (Archive::incremental_info): Likewise.
2881         (Archive::Should_include): Likewise.
2882         (Archive::should_include_member): Likewise.
2883         (Archive::Armap_entry): Remove.
2884         (Archive::Unused_symbol_iterator): Remove.
2885         (Archive::unused_symbols_begin): Remove.
2886         (Archive::unused_symbols_end): Remove.
2887         (Archive::do_filename): New function.
2888         (Archive::do_get_mtime): New function.
2889         (Archive::do_for_all_unused_symbols): New function.
2890         (Archive::task_): Move to base class.
2891         (Archive::incremental_info_): Likewise.
2892         (class Lib_group): Derive from Library_base.
2893         (Lib_group::do_filename): New function.
2894         (Lib_group::do_get_mtime): New function.
2895         (Lib_group::do_for_all_unused_symbols): New function.
2896         (Lib_group::task_): Move to base class.
2897         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2898         function.
2899         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2900         function.
2901         * incremental.cc (Incremental_inputs::report_archive_begin):
2902         Use Library_base; call library's get_mtime; add incremental inputs
2903         entry before members.
2904         (class Unused_symbol_visitor): New class.
2905         (Incremental_inputs::report_archive_end): Use Library_base; use
2906         visitor class to record unused symbols; don't add incremental inputs
2907         entry after members.
2908         (Incremental_inputs::report_object): Use Library_base.
2909         * incremental.h
2910         (Incremental_archive_entry::Incremental_archive_entry): Remove
2911         unused Archive parameter.
2912         (Incremental_inputs::report_archive_begin): Use Library_base.
2913         (Incremental_inputs::report_archive_end): Likewise.
2914         (Incremental_inputs::report_object): Likewise.
2915         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2916         function.
2917         * object.h (Object::for_all_global_symbols): New function.
2918         (Object::do_for_all_global_symbols): New function.
2919         (Sized_relobj::do_for_all_global_symbols): New function.
2920         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2921         function.
2922         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2923         function.
2924
2925 2011-03-27  Ian Lance Taylor  <iant@google.com>
2926
2927         * archive.cc (Archive::interpret_header): Return -1 if something
2928         goes wrong.  Change callers accordingly.
2929
2930 2011-03-25  Cary Coutant  <ccoutant@google.com>
2931
2932         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2933         * testsuite/Makefile.in: Regenerate.
2934
2935 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2936
2937         * plugin.cc (get_view): New.
2938         (Plugin::load): Pass get_view to the plugin.
2939         (Plugin_manager::get_view): New.
2940
2941 2011-03-21  Ian Lance Taylor  <iant@google.com>
2942
2943         * testsuite/final_layout.sh: Rewrite to not use dc.
2944         * testsuite/relro_test.sh: Fail if dc is not present.
2945
2946 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2947
2948         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2949         Change == to -eq.
2950         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2951         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2952         Change == to -eq.
2953         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2954         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2955
2956 2011-03-14  Ian Lance Taylor  <iant@google.com>
2957
2958         * script-sections.cc (Sort_output_sections::script_compare):
2959         Rename from is_before, change return type.
2960         (Sort_output_sections::operator()): Adjust accordingly.
2961
2962 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2963
2964         PR gold/12572
2965         * testsuite/odr_violation2.cc: Add comment to make all error line
2966         numbers double digits.
2967         * testsuite/debug_msg.sh: Adjust expected errors.
2968
2969 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2970
2971         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2972         but mark earlier ones as non-canonical
2973         (offset_to_iterator): Update search target and example
2974         (do_addr2line): Return extra lines in a vector*
2975         (format_file_lineno): Extract from do_addr2line
2976         (one_addr2line): Add vector* out-param
2977         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2978         when a lineno entry appeared last for its instruction
2979         (Dwarf_line_info): Add vector* out-param
2980         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2981         * symtab.cc (Odr_violation_compare): Include the lineno in the
2982         comparison again.
2983         (linenos_from_loc): New. Combine the canonical line for an
2984         address with its other lines.
2985         (True_if_intersect): New. Helper functor to make
2986         std::set_intersection a query.
2987         (detect_odr_violations): Compare sets of lines instead of just
2988         one line for each function. This became less deterministic, but
2989         has fewer false positives.
2990         * symtab.h: Declarations.
2991         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2992         mix an optimized and non-optimized object in the same binary
2993         (odr_violation2.so): Same.
2994         * testsuite/Makefile.in: Regenerate from Makefile.am.
2995         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2996         * testsuite/debug_msg.sh: Update line numbers and add
2997         assertions.
2998         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2999         non-optimized context.
3000         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
3001         isn't inlined, and use OdrDerived in an optimized context.
3002         * testsuite/odr_header1.h: Defines OdrDerived, where
3003         optimization will change the
3004         first-instruction-in-the-destructor's file and line number.
3005         * testsuite/odr_header2.h: Defines OdrBase.
3006
3007 2011-03-09  Ian Lance Taylor  <iant@google.com>
3008
3009         * fileread.cc (File_read::clear_views): Don't delete the whole
3010         file view.
3011
3012 2011-03-08  Ian Lance Taylor  <iant@google.com>
3013
3014         PR gold/12525
3015         * fileread.cc: #include <climits>.
3016         (GOLD_IOV_MAX): Define.
3017         (File_read::read_multiple): Limit number of entries by iov_max.
3018         * fileread.h (class File_read): Always set max_readv_entries to
3019         128.
3020
3021 2011-03-07  Ian Lance Taylor  <iant@google.com>
3022
3023         PR gold/12525
3024         * options.h (class General_options): Add -dy and -dn.
3025
3026 2011-03-02  Cary Coutant  <ccoutant@google.com>
3027
3028         * testsuite/script_test_9.t: Add TLS segment.
3029
3030 2011-03-02  Simon Baldwin  <simonb@google.com>
3031
3032         * configure.ac: Add check for gnu_indirect_function support in
3033         the toolchain building binutils.
3034         * configure: Rebuild.
3035
3036 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
3037
3038         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
3039         plugin only symbols.
3040         (Symbol_table::sized_finalize_symbol) Mark symbol only present
3041         in plugin files as not needed in the symbol table.
3042
3043 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
3044
3045         * output.cc (Output_section::add_input_section): Delay fill
3046         generation for section ordering.
3047
3048 2011-02-09  Ian Lance Taylor  <iant@google.com>
3049
3050         PR gold/12316
3051         * object.h (class Sized_relobj): Remove clear_local_symbols.
3052         * reloc.cc (Sized_relobj::do_relocate): Don't call
3053         clear_local_symbols.
3054
3055 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
3056
3057         * plugin.cc (is_visible_from_outside): Return true for symbols
3058         in the -u option.
3059
3060 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
3061
3062         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
3063         filename.
3064
3065 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
3066
3067         * icf.h (is_section_foldable_candidate): Change type of parameter
3068         to std::string.
3069         * icf.cc (Icf::find_identical_sections): Change type of local variable
3070         section_name to be std::string.
3071         (is_function_ctor_or_dtor): Change type of parameter to std::string.
3072
3073 2011-01-25  Ian Lance Taylor  <iant@google.com>
3074
3075         * script.cc (script_add_extern): Rewrite to use
3076         add_symbol_reference.
3077
3078 2011-01-25  Doug Kwan  <dougkwan@google.com>
3079
3080         * icf.cc (get_section_contents): Always lock section's object.
3081
3082 2011-01-24  Ian Lance Taylor  <iant@google.com>
3083
3084         * options.h (class General_options): Accept
3085         --no-detect-odr-violations.
3086
3087 2011-01-24  Ian Lance Taylor  <iant@google.com>
3088
3089         * version.cc (version_string): Bump to 1.11.
3090
3091 2011-01-24  Ian Lance Taylor  <iant@google.com>
3092
3093         * plugin.cc (class Plugin_rescan): Define new class.
3094         (Plugin_manager::claim_file): Set any_claimed_.
3095         (Plugin_manager::save_archive): New function.
3096         (Plugin_manager::save_input_group): New function.
3097         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
3098         necessary.
3099         (Plugin_manager::new_undefined_symbol): New function.
3100         (Plugin_manager::rescan): New function.
3101         (Plugin_manager::rescannable_defines): New function.
3102         (Plugin_manager::add_input_file): Set any_added_.
3103         * plugin.h (class Plugin_manager): define new fields rescannable_,
3104         undefined_symbols_, any_claimed_, and any_added_.  Declare
3105         Plugin_rescan as friend.  Declare new functions.
3106         (Plugin_manager::Rescannable): Define type.
3107         (Plugin_manager::Rescannable_list): Define type.
3108         (Plugin_manager::Undefined_symbol_list): Define type.
3109         (Plugin_manager::Plugin_manager): Initialize new fields.
3110         * archive.cc (Archive::defines_symbol): New function.
3111         (Add_archive_symbols::run): Pass archive to plugins if any.
3112         * archive.h (class Archive): Declare defines_symbol.
3113         * readsyms.cc (Input_group::~Input_group): New function.
3114         (Finish_group::run): Pass input_group to plugins if any.
3115         * readsyms.h (class Input_group): Declare destructor.
3116         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
3117         any.
3118
3119 2011-01-10  Ian Lance Taylor  <iant@google.com>
3120
3121         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
3122         section as relro.
3123         (Layout::set_segment_offsets): Reset increase_relro before calling
3124         set_section_addresses a second time.
3125
3126 2011-01-04  Cary Coutant  <ccoutant@google.com>
3127
3128         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
3129         sections before NOBITS sections.
3130
3131 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
3132
3133         * version.cc (print_version): Update copyright to 2011.
3134
3135 2010-12-23  Cary Coutant  <ccoutant@google.com>
3136
3137         * output.h (Output_data_reloc::add_output_section): Pass OD instead
3138         of OS to this->add.  Add OD parameter to second form of the function.
3139
3140 2010-12-20  Ian Lance Taylor  <iant@google.com>
3141
3142         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
3143         second of two consecutive entries with same offset.
3144
3145 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3146
3147         * testsuite/Makefile.am (ifuncmain2static_LDADD)
3148         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
3149         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
3150         to avoid unneeded links against $(LDADD).
3151         * testsuite/Makefile.in: Regenerate.
3152
3153 2010-12-15  Ian Lance Taylor  <iant@google.com>
3154
3155         PR gold/12324
3156         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
3157         for R_X86_64_32 and R_X86_64_PC32.
3158         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
3159         ver_matching_def_pic.o.
3160         (ver_matching_def_pic.o): New target.
3161
3162 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3163
3164         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3165         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3166         Move definition before File_read::View member definitions.
3167         (File_read::View::~View): Initialize and hold lock before
3168         updating current_mapped_bytes.
3169
3170 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3171
3172         * dwarf_reader.cc: Remove outdated comment.
3173         * gold-threads.cc: Fix typo in error message.
3174         * archive.cc: Fix typos in comments.
3175         * archive.h: Likewise.
3176         * arm-reloc-property.cc: Likewise.
3177         * arm-reloc-property.h: Likewise.
3178         * arm-reloc.def: Likewise.
3179         * arm.cc: Likewise.
3180         * attributes.h: Likewise.
3181         * cref.cc: Likewise.
3182         * ehframe.cc: Likewise.
3183         * fileread.h: Likewise.
3184         * gold.h: Likewise.
3185         * i386.cc: Likewise.
3186         * icf.cc: Likewise.
3187         * incremental.h: Likewise.
3188         * int_encoding.cc: Likewise.
3189         * layout.h: Likewise.
3190         * main.cc: Likewise.
3191         * merge.h: Likewise.
3192         * object.cc: Likewise.
3193         * object.h: Likewise.
3194         * options.cc: Likewise.
3195         * readsyms.cc: Likewise.
3196         * reduced_debug_output.cc: Likewise.
3197         * reloc.cc: Likewise.
3198         * script-sections.cc: Likewise.
3199         * sparc.cc: Likewise.
3200         * symtab.h: Likewise.
3201         * target-reloc.h: Likewise.
3202         * target.cc: Likewise.
3203         * target.h: Likewise.
3204         * timer.cc: Likewise.
3205         * timer.h: Likewise.
3206         * x86_64.cc: Likewise.
3207
3208 2010-12-09  Cary Coutant  <ccoutant@google.com>
3209
3210         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3211         stack.
3212         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3213         parameter; change all callers.
3214         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3215         * options.h (warn_execstack): New option.
3216
3217 2010-12-07  Doug Kwan  <dougkwan@google.com>
3218
3219         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3220         like function call relocations.
3221
3222 2010-12-07  Ian Lance Taylor  <iant@google.com>
3223
3224         * archive.cc (Archive::get_elf_object_for_member): Permit
3225         punconfigured to be NULL.
3226         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3227         (Archive::include_member): Pass NULL to get_elf_object_for_member
3228         if we searched for the archive and this is the first included
3229         object.
3230
3231 2010-12-01  Ian Lance Taylor  <iant@google.com>
3232
3233         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3234         track_relocs_type_ field.
3235         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3236         Set track_relocs_type_.
3237         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3238         contents when using RELA relocs.
3239         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3240         reloc_map_.
3241         * reloc.cc (Track_relocs::next_addend): New function.
3242         * reloc.h (class Track_relocs): Declare next_addend.
3243
3244 2010-12-01  Ian Lance Taylor  <iant@google.com>
3245
3246         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3247         virtual destructor.
3248
3249 2010-12-01  Ian Lance Taylor  <iant@google.com>
3250
3251         * README: Update compilers known to work and fail.
3252
3253 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3254
3255         * configure.in: For --enable-gold, handle value `default' instead of
3256         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3257         not the default.
3258         * configure: Regenerate.
3259
3260 2010-11-18  Doug Kwan  <dougkwan@google.com>
3261
3262         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3263         and right_alignment to be zero.  Store result alignment only if it is
3264         greater than existing alignment.
3265
3266 2010-11-16  Cary Coutant  <ccoutant@google.com>
3267
3268         PR gold/12220
3269         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3270         Check for ".zdebug_line".
3271
3272 2010-11-16  Doug Kwan  <dougkwan@google.com>
3273             Cary Coutant  <ccoutant@google.com>
3274
3275         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3276         by reference; adjust all callers.
3277         * output.cc (Output_segment::set_section_addresses): Adjust references
3278         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3279         list is empty.
3280         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3281         end at page boundary.
3282
3283 2010-11-16  Cary Coutant  <ccoutant@google.com>
3284
3285         PR gold/12220
3286         * layout.cc (Layout::choose_output_section): Transform names of
3287         compressed sections even when using a script with a SECTIONS clause.
3288         (Layout::output_section_name): Remove code to transform
3289         compressed debug section names.
3290         * output.cc (Output_section::add_input_section): Use uncompressed
3291         section size when tracking input sections.
3292
3293 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3294
3295         * symtab.h (Symbol::NON_PIC_REF): Remove.
3296         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3297         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3298         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3299         (Symbol::use_plt_offset): Take a flags argument and pass it
3300         directly to needs_dynamic_reloc.  Restrict check for undefined
3301         weak symbols to function calls.
3302         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3303         (Target_arm::Scan::global): Use it.
3304         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3305         (Target_arm::Relocate::relocate): Likewise.
3306         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3307         parameter with an r_type parameter.  Use get_reference_flags
3308         to get the flags.
3309         (Target_arm::Relocate::relocate): Update accordingly.
3310         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3311         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3312         (Target_i386::Scan::global): Likewise.
3313         (Target_i386::Relocate::relocate): Likewise.
3314         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3315         parameter with an r_type parameter.  Use get_reference_flags
3316         to get the flags.
3317         (Target_i386::Relocate::relocate): Update accordingly.
3318         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3319         (Target_powerpc::Scan::global): Use it.
3320         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3321         (Target_powerpc::Relocate::relocate): Likewise.
3322         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3323         (Target_sparc::Scan::global): Use it.
3324         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3325         (Target_sparc::Relocate::relocate): Likewise.
3326         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3327         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3328         (Target_x86_64::Scan::global): Likewise.
3329         (Target_x86_64::Relocate::relocate): Likewise.
3330
3331 2010-11-08  Doug Kwan  <dougkwan@google.com>
3332             Cary Coutant  <ccoutant@google.com>
3333
3334         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3335         (Arm_exidx_merge_section::section_contents_): New data member.
3336         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3337         (Arm_input_section::~Arm_input_section): De-allocate memory.
3338         (Arm_input_section::original_contents_): New data member.
3339         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3340         in parameters instead of calling Object::section_contents without
3341         locking.
3342         (Arm_output_section::group_section): New parameter TASK.  Pass it
3343         to callees that need locking objects.
3344         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3345         to lock EXIDX input sections.  Fix a formatting issue.  Call
3346         Arm_exidx_merged_section::build_contents to create merged section
3347         contents.
3348         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3349         to lock object of stub table owner.
3350         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3351         TEXT_SIZE to initialize data member TEXT_SIZE_.
3352         (Arm_exidx_input_section::addralign): Fix typo in comment.
3353         (Arm_exidx_input_section::text_size): New method.
3354         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3355         that require locking objects.  Lock objects before scanning for stubs
3356         and updating local symbols.
3357         (Arm_input_section<big_endian>::init): Copy contents of original
3358         input section.
3359         (Arm_input_section<big_endian>::do_write): Use saved contents of
3360         original input section instead of calling Object::section_contents
3361         without locking.
3362         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3363         size without calling Object::section_size().
3364         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3365         for size.  Allocate a buffer for merged EXIDX entries.
3366         (Arm_exidx_merged_section::build_contents): New method.
3367         (Arm_exidx_merged_section::do_write): Move merge section contents
3368         building code to Arm_exidx_merged_section::build_contetns.  Write
3369         out contetns in buffer instead of building it on the fly.
3370         (Arm_relobj::make_exidx_input_section): Also pass text section size
3371         to Arm_exidx_input_section constructor.
3372         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3373         (Arm_dynobj::do_read_symbols): Fix memory leak.
3374         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3375         * target.h: (class Task): Add forward declaration.
3376         (Target::relax): Add new parameter TASK and pass it to
3377         Target::do_relax().
3378         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3379
3380 2010-11-05  Cary Coutant  <ccoutant@google.com>
3381
3382         PR gold/10708
3383         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3384         object when reading from the file.
3385         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3386         second layout pass.
3387         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3388         when reading section contents.
3389         (get_section_contents): Likewise.
3390         (icf::find_identical_sections): Likewise.
3391         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3392         object when reading from the file.
3393         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3394         the object when doing deferred section layout.
3395
3396 2010-11-03  Nick Clifton  <nickc@redhat.com>
3397
3398         PR gold/12001
3399         * script.h (class Symbol_assignment: name): New member.  Returns
3400         the name of the symbol.
3401         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3402         Returns true if the given symbol name is on the list of
3403         assignments wating to be processed.
3404         * archive.cc (should_incldue_member): If the symbol is undefined,
3405         check to see if it is on the list of symbols pending assignment.
3406
3407 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3408
3409         * script-sections.cc (Script_sections::find_memory_region): Check
3410         for a NULL output section pointer.
3411
3412 2010-10-29  Doug Kwan  <dougkwan@google.com>
3413
3414         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3415         Output_section::add_relaxed_input_section.
3416         * output.cc (Output_section::add_relaxed_input_section): Add new
3417         arguments LAYOUT and NAME.  Set section order index.
3418         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3419         Copy section order index.
3420         * output.h (Output_section::add_relaxed_input_section): Add new
3421         arguments LAYOUT and NAME.
3422
3423 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3424
3425         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3426         NATIVE_OR_CROSS_LINKER.
3427         * testsuite/Makefile.in: Regenerate.
3428
3429 2010-10-20  Doug Kwan  <dougkwan@google.com>
3430
3431         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3432         without SHF_LINK_ORDER flags.
3433         * layout.cc (Layout::choose_output_section): Do not filter
3434         SHF_LINK_ORDER flag in a relocatable link.
3435
3436 2010-10-17  Cary Coutant  <ccoutant@google.com>
3437
3438         * output.h (Output_segment::set_section_addresses): Change function
3439         signature.  Update all callers.
3440         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3441         sections.
3442         (Output_segment::set_section_addresses): Align after last TLS
3443         section.  Add padding before last relro section instead of after.
3444
3445 2010-10-17  Doug Kwan  <dougkwan@google.com>
3446
3447         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3448         GOT output section to be writable.
3449
3450 2010-10-14  Cary Coutant  <ccoutant@google.com>
3451
3452         * debug.h (DEBUG_INCREMENTAL): New flag.
3453         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3454         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3455         mode.
3456         * incremental.cc (report_command_line): Ignore all forms of
3457         --incremental.
3458         * layout.cc (Layout::Layout): Check parameters for incremental link
3459         mode.
3460         * options.cc (General_options::parse_incremental): New function.
3461         (General_options::parse_no_incremental): New function.
3462         (General_options::parse_incremental_full): New function.
3463         (General_options::parse_incremental_update): New function.
3464         (General_options::incremental_mode_): New data member.
3465         (General_options::finalize): Check incremental_mode_.
3466         * options.h (General_options): Update help text for --incremental.
3467         Add --no-incremental, --incremental-full, --incremental-update.
3468         (General_options::Incremental_mode): New enum type.
3469         (General_options::incremental_mode): New function.
3470         (General_options::incremental_mode_): New data member.
3471         * parameters.cc (Parameters::incremental_mode_): New data member.
3472         (Parameters::set_options): Set incremental_mode_.
3473         (Parameters::set_incremental_full): New function.
3474         (Parameters::incremental): New function.
3475         (Parameters::incremental_update): New function.
3476         (set_parameters_incremental_full): New function.
3477         * parameters.h (Parameters::set_incremental_full): New function.
3478         (Parameters::incremental): New function.
3479         (Parameters::incremental_update): New function.
3480         (Parameters::incremental_mode_): New data member.
3481         (set_parameters_incremental_full): New function.
3482         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3483         incremental link mode.
3484         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3485         (Sized_relobj::do_relocate_sections): Likewise.
3486         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3487         option.
3488         * testsuite/Makefile.in: Regenerate.
3489         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3490
3491 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3492
3493         * script-sections.h (class Script_sections): Make
3494         Sections_elements typedef public.
3495         * script-sections.cc (class Sort_output_sections): Add elements_
3496         field.  Add constructor which sets it; change all callers.
3497         (Sort_output_sections::is_before): New function.
3498         (Sort_output_sections::operator()): Call is_before.
3499         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3500         conditional.
3501         * testsuite/script_test_10.sh: New test. Test script section
3502         order.
3503         * testsuite/script_test_10.t: Likewise.
3504         * testsuite/script_test_10.s: Likewise.
3505         * testsuite/Makefile.am: Wrap the cross linker tests and the
3506         common tests into NATIVE_OR_CROSS_LINKER.
3507         (check_SCRIPTS): Add script_test_10.sh.
3508         (check_DATA): Add script_test_10.stdout.
3509         (script_test_10.o, script_test_10): New targets.
3510         (script_test_10.stdout): New target.
3511         * configure, testsuite/Makefile.in: Regenerate.
3512
3513 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3514
3515         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3516         error for the deprecated relocations.
3517         (Target_arm::Scan::global): Likewise.
3518         (Target_arm::Relocate::relocate): Likewise.
3519
3520 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3521
3522         * fileread.cc (Input_file::find_file): Initialize *found_name
3523         and *namep when using the fallback search for case 4.
3524
3525 2010-10-11  Cary Coutant  <ccoutant@google.com>
3526
3527         * options.h (class General_options): Redefine -z lazy as an alias for
3528         the negation of -z now.
3529
3530 2010-10-11  Ian Lance Taylor  <iant@google.com>
3531
3532         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3533         binding.
3534
3535 2010-10-06  Nick Clifton  <nickc@redhat.com>
3536
3537         * script-sections.cc(class Memory_region): Remove
3538         current_lma_offset_ field.  Rename current_vma_offset_ to
3539         current_offset_.  Add last_section_ field.
3540         (Memory_region::get_current_vma_address): Rename to
3541         get_current_address.
3542         (Memory_region::get_current_lma_address): Delete.
3543         (Memory_region::increment_vma_offset): Rename to
3544         increment_offset.
3545         (Memory_region::increment_lma_offset): Delete.
3546         (Memory_region::attributes_compatible): New method.  Returns
3547         true if the provided section is compatible with the region.
3548         (Memory_region::get_last_section): New method.  Returns the last
3549         section to use the region.
3550         (Memory_region::set_last_section): New method.  Stores the last
3551         section to use the region.
3552         (Script_sections::block_in_region): New method.  Returns true if
3553         a block of memory is contained within a region.
3554         (Script_sections::find_memory_region): New method.  Locates a
3555         memory region to be used to set a VMA or LMA address.
3556         (Output_section_definition::set_section_addresses): Add code to
3557         check for addresses set by memory regions.
3558         (Output_segment::set_section_addresses): Remove memory region
3559         walking code.
3560         (Script_sections::create_segment): Add a warning if a header
3561         segment is created outside of any region.
3562         * script-sections.h (class Script_sections): Add prototypes for
3563         find_memory_region and block_in_region methods.
3564         * testsuite/memory_test.s: Use .long instead of .word.
3565         * testsuite/memory_test.t: Add some more output sections.
3566         * testsuite/memory_test.sh: Update expected output.
3567
3568 2010-10-02  Doug Kwan  <dougkwan@google.com>
3569
3570         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3571         defintion to symtab.h
3572         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3573         declaration to defintion.
3574
3575 2010-10-01  Nick Clifton  <nickc@redhat.com>
3576
3577         * expression.cc (eval): Replace dummy argument with NULL.
3578         (eval_maybe_dot): Check for a NULL result section pointer.
3579         (Symbol_expression::value): Likewise.
3580         (Dot_expression::value): Likewise.
3581         (BINARY_EXPRESSION): Likewise.
3582         (Max_expression::value): Likewise.
3583         (Min_expression::value): Likewise.
3584         (Absolute_expression::value): Likewise.
3585         (Addr_expression::value_from_output_section): Likewise.
3586         (Loaddddr_expression::value_from_output_section): Likewise.
3587         (Segment_start_expression::value): Likewise.
3588         * script-sections.cc
3589         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3590         argument with NULL.
3591         (Sections_elememt_dot_assignment::set_section_addresses):
3592         Likewise.
3593         (Output_data_expression::do_write_to_buffer): Likewise.
3594         (Output_section_definition::finalize_symbols): Likewise.
3595         (Output_section_definition::set_section_addresses): Likewise.
3596
3597 2010-09-30  Doug Kwan  <dougkwan@google.com>
3598
3599         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3600
3601 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3602
3603         * target.h (Target::can_icf_inline_merge_sections): New virtual
3604         function.
3605         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3606         virtual function.
3607         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3608         virtual function.
3609         * icf.cc (get_section_contents): Inline merge sections only when
3610         target allows it.
3611
3612 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3613
3614         * configure: Regenerate.
3615
3616 2010-09-17  Ian Lance Taylor  <iant@google.com>
3617
3618         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3619         * testsuite/Makefile.am (memory_test.o): New target.
3620         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3621         memory_test.t.
3622         * testsuite/Makefile.in: Rebuild.
3623
3624 2010-09-17  Doug Kwan  <dougkwan@google.com>
3625
3626         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3627         defintion if relocation uses GOT entries of the symbol.
3628         * testsuite/icf_safe_test.sh: Fix test.
3629         * testsuite/icf_safe_so_test.sh: Fix test.
3630
3631 2010-09-16  Cary Coutant  <ccoutant@google.com>
3632
3633         * script_sections.cc (class Memory_region): Remove "NULL" from
3634         vector initializations.
3635
3636 2010-09-15  Cary Coutant  <ccoutant@google.com>
3637
3638         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3639         Resolve forwarding symbols.
3640
3641 2010-09-15  Doug Kwan  <dougkwan@google.com>
3642
3643         * gold/testsuite/script_test_3.t: Add ARM special sections.
3644         * gold/testsuite/script_test_4.t: Same.
3645         * gold/testsuite/script_test_5.t: Same.
3646         * gold/testsuite/script_test_6.t: Same.
3647         * gold/testsuite/script_test_7.t: Same.
3648         * gold/testsuite/script_test_7.t: Same.
3649         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3650
3651 2010-09-14  Cary Coutant  <ccoutant@google.com>
3652
3653         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3654         (Target_x86_64::Relocate::relocate_tls): Replace check for
3655         saw_tls_block_reloc_ with test for executable section.
3656
3657 2010-09-12  Cary Coutant  <ccoutant@google.com>
3658
3659         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3660         position-independent executables to shared libraries need dynamic
3661         relocations.
3662         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3663         position-independent executables.
3664         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3665         * testsuite/Makefile.in: Regenerate.
3666
3667 2010-09-10  Nick Clifton  <nickc@redhat.com>
3668
3669         PR gold/11997
3670         * testsuite/memory_test.t: Discard any sections that are not
3671         needed.
3672
3673 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3674
3675         PR gold/11996
3676         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3677         "This::" to work around a bug in gcc 4.2.
3678
3679         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3680
3681 2010-09-09  Rafael Espindola  <espindola@google.com>
3682
3683         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3684         sections with different PF_X flags in the same segment.
3685         (Layout::find_first_load_seg): Search all segments to find the first
3686         one.
3687         * options.h (rosegment): New.
3688
3689 2010-09-08  Rafael Espindola  <espindola@google.com>
3690
3691         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3692
3693 2010-09-08  Doug Kwan  <dougkwan@google.com>
3694
3695         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3696         (Arm_relobj::do_relocate_sections): Add new parameter for output
3697         file to match the parent.
3698         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3699         of local symbols instead of input values.  Update code to track
3700         changes in gold::relocate_section.
3701         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3702         (Sized_relobj::compute_final_local_value_internal): New methods.
3703         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3704         body into private version of Sized_relobj::compute_final_local_value.
3705         Call the inline method.
3706         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3707         merged symbol value if there is one.
3708         (Symbol_value::has_output_value): New method defintiion.
3709         (Sized_relobj::Compute_final_local_value_status): New enum type.
3710         (Sized_relobj::compute_final_local_value): New methods.
3711         (Sized_relobj::compute_final_local_value_internal): New methods.
3712         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3713         and arm_cortex_a8.sh.
3714         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3715         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3716         New tests.
3717         * Makefile.in: Regenerate.
3718         * testsuite/arm_bl_out_of_range.s: Update test.
3719         * testsuite/thumb_bl_out_of_range.s: Ditto.
3720         * testsuite/thumb_blx_out_of_range.s: Ditto.
3721         * testsuite/arm_branch_out_of_range.sh: New file.
3722         * testsuite/arm_cortex_a8.sh: Ditto.
3723         * testsuite/arm_cortex_a8_b.s: Ditto.
3724         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3725         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3726         * testsuite/arm_cortex_a8_bl.s: Ditto.
3727         * testsuite/arm_cortex_a8_blx.s: Ditto.
3728         * testsuite/arm_cortex_a8_local.s: Ditto.
3729         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3730         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3731
3732 2010-09-08  Rafael Espindola  <espindola@google.com>
3733
3734         * Makefile.am (memory_test.stdout): Run readelf with -W.
3735         * Makefile.in: Regenerate.
3736         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3737         64 bit output.
3738
3739 2010-09-08  Rafael Espindola  <espindola@google.com>
3740
3741         * script-sections.cc (Script_sections::add_memory_region): Convert
3742         field precision to int.
3743         * script.cc (script_set_section_region, script_set_section_region):
3744         Convert field precision to int.
3745
3746 2010-09-08  Rafael Espindola  <espindola@google.com>
3747
3748         * arm.cc (do_finalize_sections): Create the __exidx_start and
3749         __exdix_end symbols even when the section is missing.
3750
3751 2010-09-08  Nick Clifton  <nickc@redhat.com>
3752
3753         * README: Remove claim that MEMORY is not supported.
3754         * expression.cc (script_exp_function_origin)
3755         (script_exp_function_length): Move from here to ...
3756         * script.cc: ... here.
3757         (script_set_section_region, script_add_memory)
3758         (script_parse_memory_attr, script_include_directive): New
3759         functions.
3760         * script-sections.cc
3761         (class Memory_region): New class.
3762         (class Output_section_definition): Add set_memory_region,
3763         set_section_vma, set_section_lma and get_section_name methods.
3764         (class Script_Sections): Add add_memory_region,
3765         find_memory_region, find_memory_region_origin,
3766         find_memory_region_length and set_memory_region methods.
3767         Have set_section_addresses method walk the list of set memory
3768         regions.
3769         Extend the print methos to display memory regions.
3770         * script-sections.h: Add prototypes for new methods.
3771         Add enum for MEMORY region attributes.
3772         * yyscript.y: Add support for parsing MEMORY regions.
3773         * script-c.h: Add prototypes for new functions.
3774         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3775         * testsuite/Makefile.in: Regenerate.
3776         * testsuite/memory_test.sh: New script.
3777         * testsuite/memory_test.s: New assembler source file.
3778         * testsuite/memory_test.t: New linker script.
3779
3780 2010-08-27  Doug Kwan  <dougkwan@google.com>
3781
3782         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3783         reference override an existing dynamic weak reference.
3784         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3785         * testsuite/Makefile.in: Regenerate.
3786         * testsuite/dyn_weak_ref.sh: New file.
3787         * testsuite/dyn_weak_ref_1.c: Ditto.
3788         * testsuite/dyn_weak_ref_2.c: Ditto.
3789
3790 2010-08-27  Ian Lance Taylor  <iant@google.com>
3791
3792         * incremental.h (class Incremental_input_entry): Add virtual
3793         destructor.
3794
3795 2010-08-27  Ian Lance Taylor  <iant@google.com>
3796
3797         * testsuite/start_lib_test_3.c: Mark t3 as used.
3798
3799 2010-08-27  Nick Clifton  <nickc@redhat.com>
3800
3801         * options.cc (version_script): Fix small typo in previous
3802         whitespace tidyup.
3803
3804 2010-08-25  Nick Clifton  <nickc@redhat.com>
3805
3806         * archive.cc: Formatting fixes: Remove whitespace between
3807         typename and following asterisk.  Remove whitespace between
3808         function name and opening parenthesis.
3809         * archive.h: Likewise.
3810         * arm.cc: Likewise.
3811         * attributes.cc: Likewise.
3812         * attributes.h: Likewise.
3813         * common.cc: Likewise.
3814         * copy-relocs.cc: Likewise.
3815         * dirsearch.h: Likewise.
3816         * dynobj.cc: Likewise.
3817         * ehframe.cc: Likewise.
3818         * ehframe.h: Likewise.
3819         * expression.cc: Likewise.
3820         * fileread.cc: Likewise.
3821         * fileread.h: Likewise.
3822         * gc.h: Likewise.
3823         * gold-threads.cc: Likewise.
3824         * gold.cc: Likewise.
3825         * i386.cc: Likewise.
3826         * icf.h: Likewise.
3827         * incremental-dump.cc: Likewise.
3828         * incremental.cc: Likewise.
3829         * layout.cc: Likewise.
3830         * layout.h: Likewise.
3831         * main.cc: Likewise.
3832         * merge.cc: Likewise.
3833         * merge.h: Likewise.
3834         * object.cc: Likewise.
3835         * object.h: Likewise.
3836         * options.cc: Likewise.
3837         * options.h: Likewise.
3838         * output.cc: Likewise.
3839         * output.h: Likewise.
3840         * plugin.cc: Likewise.
3841         * plugin.h: Likewise.
3842         * powerpc.cc: Likewise.
3843         * reloc.cc: Likewise.
3844         * script-c.h: Likewise.
3845         * script-sections.cc: Likewise.
3846         * script.cc: Likewise.
3847         * stringpool.cc: Likewise.
3848         * symtab.cc: Likewise.
3849         * symtab.h: Likewise.
3850         * target.cc: Likewise.
3851         * timer.cc: Likewise.
3852         * timer.h: Likewise.
3853         * version.cc: Likewise.
3854         * x86_64.cc: Likewise.
3855
3856 2010-08-24  Nick Clifton  <nickc@redhat.com>
3857
3858         PR 11899
3859         * layout.cc (segment_precedes): Sort segments by their physical
3860         addresses, if they have been set.
3861
3862 2010-08-23  Cary Coutant  <ccoutant@google.com>
3863
3864         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3865         symbols data.
3866         (Lib_group::include_member): Unlock object after deleting its
3867         symbols data.
3868         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3869         the bug fixed here.
3870
3871 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3872             Cary Coutant  <ccoutant@google.com>
3873
3874         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3875         constructor, and set_blocker.
3876         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3877         readsyms_blocker_.
3878         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3879         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3880         * testsuite/Makefile.am (start_lib_test): New test case.
3881         * testsuite/Makefile.in: Regenerate.
3882         * testsuite/start_lib_test_main.c: New file.
3883         * testsuite/start_lib_test_1.c: New file.
3884         * testsuite/start_lib_test_2.c: New file.
3885         * testsuite/start_lib_test_3.c: New file.
3886
3887 2010-08-19  Ian Lance Taylor  <iant@google.com>
3888
3889         * Makefile.in: Rebuild with automake 1.11.1.
3890         * aclocal.m4: Likewise.
3891         * testsuite/Makefile.in: Likewise.
3892
3893 2010-08-19  Ian Lance Taylor  <iant@google.com>
3894
3895         PR 10893
3896         * i386.cc (class Output_data_plt_i386): Update declarations.
3897         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3898         local_ifuncs_ fields.
3899         (Target_i386::do_plt_section_for_global): New function.
3900         (Target_i386::do_plt_section_for_local): New function.
3901         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3902         parameter; change all callers.  Initialize global_ifuncs_ and
3903         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3904         __rel_iplt_end.
3905         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3906         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3907         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3908         symbols.
3909         (Target_i386::make_plt_section): New function, broken out of
3910         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3911         (Target_i386::make_plt_entry): Call make_plt_section.
3912         (Target_i386::make_local_ifunc_plt_entry): New function.
3913         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3914         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3915         R_386_IRELATIVE to switch.
3916         (Target_i386::Scan::global): Likewise.
3917         (Target_i386::Relocate::relocate): Likewise.
3918         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3919         switch.
3920         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3921         (Target_x86_64::do_plt_section_for_global): New function.
3922         (Target_x86_64::do_plt_section_for_local): New function.
3923         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3924         parameter; change all callers.  If doing a static link define
3925         __rela_iplt_start and __rela_iplt_end.
3926         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3927         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3928         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3929         to point to .plt.
3930         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3931         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3932         switch.
3933         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3934         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3935         R_X86_64_IRELATIVE to switch.
3936         (Target_x86_64::Scan::global): Likewise.
3937         (Target_x86_64::Relocate::relocate): Likewise.
3938         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3939         switch.
3940         * target.h (class Target): Add plt_section_for_global and
3941         plt_section_for_local functions.  Add do_plt_section_for_global
3942         and do_plt_section_for_local virtual functions.
3943         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3944         clarifying comments.
3945         (Symbol::use_plt_offset): Handle IFUNC symbol.
3946         * object.cc (Sized_relobj::Sized_relobj): Initialize
3947         local_plt_offsets_.
3948         (Sized_relobj::local_has_plt_offset): New function.
3949         (Sized_relobj::local_plt_offset): New function.
3950         (Sized_relobj::set_local_plt_offset): New function.
3951         (Sized_relobj::do_count): Handle IFUNC symbol.
3952         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3953         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3954         is_ifunc_symbol functions.
3955         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3956         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3957         local_plt_offsets_ field.
3958         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3959         * output.h (class Output_section_data): Add non-const
3960         output_section function.
3961         (class Output_data_got): Update declarations.
3962         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3963         Add use_plt_offset parameter to global and local constructors.
3964         Change all callers.  Change local_sym_index_ field to 31 bits.
3965         Change GSYM_CODE and CONSTANT_CODE accordingly.
3966         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3967         doing a static link don't set sh_link field.
3968         (Output_data_got::Got_entry::write): Use PLT offset if
3969         appropriate.
3970         (Output_data_got::add_global_plt): New function.
3971         (Output_data_got::add_local_plt): New function.
3972         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3973         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3974         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3975         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3976         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3977         IFUNC conditional.
3978         * testsuite/ifunc-sel.h: New file.
3979         * testsuite/ifuncmain1.c: New file.
3980         * testsuite/ifuncmain1vis.c: New file.
3981         * testsuite/ifuncmod1.c: New file.
3982         * testsuite/ifuncdep2.c: New file.
3983         * testsuite/ifuncmain2.c: New file.
3984         * testsuite/ifuncmain3.c: New file.
3985         * testsuite/ifuncmod3.c: New file.
3986         * testsuite/ifuncmain4.c: New file.
3987         * testsuite/ifuncmain5.c: New file.
3988         * testsuite/ifuncmod5.c: New file.
3989         * testsuite/ifuncmain6pie.c: New file.
3990         * testsuite/ifuncmod6.c: New file.
3991         * testsuite/ifuncmain7.c: New file.
3992         * configure, testsuite/Makefile.in: Rebuild.
3993
3994 2010-08-18  Ian Lance Taylor  <iant@google.com>
3995
3996         * incremental.cc
3997         (Output_section_incremental_inputs::write_input_files): Add cast
3998         to avoid signed/unsigned comparison warning.
3999         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4000
4001 2010-08-12  Cary Coutant  <ccoutant@google.com>
4002
4003         * common.cc (Sort_commons::operator()): Remove unnecessary code.
4004
4005 2010-08-13  Ian Lance Taylor  <iant@google.com>
4006
4007         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
4008
4009 2010-08-12  Cary Coutant  <ccoutant@google.com>
4010             Doug Kwan  <dougkwan@google.com>
4011
4012         * resolve.cc (Symbol_table::should_override): When a weak dynamic
4013         defintion overrides non-weak undef, remember that the original undef
4014         is not weak.
4015         * symtab.cc (Symbol_table::sized_write_global): For undef without
4016         an original weak binding, set binding to global in output.
4017         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
4018         * testsuite/Makefile.in: Regenerate.
4019         * testsuite/strong_ref_weak_def.sh: New file.
4020         * testsuite/strong_ref_weak_def_1.c: Ditto.
4021         * testsuite/strong_ref_weak_def_2.c: Ditto.
4022
4023 2010-08-12  Cary Coutant  <ccoutant@google.com>
4024
4025         * testsuite/incremental_test.sh: Rewrite.
4026         * testsuite/incremental_test_1.c: Rewrite.
4027         * testsuite/incremental_test_2.c: Rewrite.
4028
4029 2010-08-12  Cary Coutant  <ccoutant@google.com>
4030
4031         * arm.cc (Target_arm::got_size): Add const.
4032         (Target_arm::got_entry_count): New function.
4033         (Target_arm::plt_entry_count): New function.
4034         (Target_arm::first_plt_entry_offset): New function.
4035         (Target_arm::plt_entry_size): New function.
4036         (Output_data_plt_arm::entry_count): New function.
4037         (Output_data_plt_arm::first_plt_entry_offset): New function.
4038         (Output_data_plt_arm::get_plt_entry_size): New function.
4039         * i386.cc (Target_i386::got_size): Add const.
4040         (Target_i386::got_entry_count): New function.
4041         (Target_i386::plt_entry_count): New function.
4042         (Target_i386::first_plt_entry_offset): New function.
4043         (Target_i386::plt_entry_size): New function.
4044         (Output_data_plt_i386::entry_count): New function.
4045         (Output_data_plt_i386::first_plt_entry_offset): New function.
4046         (Output_data_plt_i386::get_plt_entry_size): New function.
4047         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
4048         find_incremental_inputs_sections.  Dump incremental_got_plt section.
4049         * incremental.cc: Include target.h.
4050         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
4051         parameter.  Adjust all callers.  Find incremental_got_plt section.
4052         (Incremental_inputs::create_data_sections): Create incremental_got_plt
4053         section.
4054         (Output_section_incremental_inputs::set_final_data_size): Calculate
4055         size of incremental_got_plt section.
4056         (Output_section_incremental_inputs::do_write): Write the
4057         incremental_got_plt section.
4058         (Got_plt_view_info): New struct.
4059         (Local_got_offset_visitor): New class.
4060         (Global_got_offset_visitor): New class.
4061         (Global_symbol_visitor_got_plt): New class.
4062         (Output_section_incremental_inputs::write_got_plt): New function.
4063         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
4064         Add parameter.  Adjust all callers.
4065         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4066         (Incremental_inputs::got_plt_section): New function.
4067         (Incremental_inputs::got_plt_section_): New data member.
4068         (Incremental_got_plt_reader): New class.
4069         * layout.cc (Layout::create_incremental_info_sections): Add the
4070         incremental_got_plt section.
4071         * object.h (Got_offset_list::get_list): New function.
4072         (Got offset_list::for_all_got_offsets): New function.
4073         (Sized_relobj::local_got_offset_list): New function.
4074         * powerpc.cc (Target_powerpc::got_size): Add const.
4075         (Target_powerpc::got_entry_count): New function.
4076         (Target_powerpc::plt_entry_count): New function.
4077         (Target_powerpc::first_plt_entry_offset): New function.
4078         (Target_powerpc::plt_entry_size): New function.
4079         (Output_data_plt_powerpc::entry_count): New function.
4080         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
4081         (Output_data_plt_powerpc::get_plt_entry_size): New function.
4082         * sparc.cc (Target_sparc::got_size): Add const.
4083         (Target_sparc::got_entry_count): New function.
4084         (Target_sparc::plt_entry_count): New function.
4085         (Target_sparc::first_plt_entry_offset): New function.
4086         (Target_sparc::plt_entry_size): New function.
4087         (Output_data_plt_sparc::entry_count): New function.
4088         (Output_data_plt_sparc::first_plt_entry_offset): New function.
4089         (Output_data_plt_sparc::get_plt_entry_size): New function.
4090         * symtab.h (Symbol::got_offset_list): New function.
4091         (Symbol_table::for_all_symbols): New function.
4092         * target.h (Sized_target::got_entry_count): New function.
4093         (Sized_target::plt_entry_count): New function.
4094         (Sized_target::plt_entry_size): New function.
4095         * x86_64.cc (Target_x86_64::got_size): Add const.
4096         (Target_x86_64::got_entry_count): New function.
4097         (Target_x86_64::plt_entry_count): New function.
4098         (Target_x86_64::first_plt_entry_offset): New function.
4099         (Target_x86_64::plt_entry_size): New function.
4100         (Output_data_plt_x86_64::entry_count): New function.
4101         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
4102         (Output_data_plt_x86_64::get_plt_entry_size): New function.
4103
4104 2010-08-12  Cary Coutant  <ccoutant@google.com>
4105
4106         * archive.cc: Include incremental.h.
4107         (Archive::Archive): Initialize incremental_info_.
4108         (Archive::include_member): Record archive members in incremental info.
4109         (Add_archive_symbols::run): Record begin and end of an archive in
4110         incremental info.
4111         (Lib_group::include_member): Record objects in incremental info.
4112         * archive.h (Incremental_archive_entry): Forward declaration.
4113         (Archive::set_incremental_info): New member function.
4114         (Archive::incremental_info): New member function.
4115         (Archive::Unused_symbol_iterator): New class.
4116         (Archive::unused_symbols_begin): New member function.
4117         (Archive::unused_symbols_end): New member function.
4118         (Archive::incremental_info_): New data member.
4119         * incremental-dump.cc (find_input_containing_global): New function.
4120         (dump_incremental_inputs): Dump new incremental info sections.
4121         * incremental.cc: Include symtab.h.
4122         (Output_section_incremental_inputs): New class.
4123         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
4124         new incremental info sections.
4125         (Sized_incremental_binary::do_check_inputs): Likewise.
4126         (Incremental_inputs::report_archive): Remove.
4127         (Incremental_inputs::report_archive_begin): New function.
4128         (Incremental_inputs::report_archive_end): New function.
4129         (Incremental_inputs::report_object): New function.
4130         (Incremental_inputs::finalize_inputs): Remove.
4131         (Incremental_inputs::report_input_section): New function.
4132         (Incremental_inputs::report_script): Rewrite.
4133         (Incremental_inputs::finalize): Do nothing but finalize string table.
4134         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4135         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4136         (Incremental_inputs::create_data_sections): New function.
4137         (Incremental_inputs::relocs_entsize): New function.
4138         (Output_section_incremental_inputs::set_final_data_size): New function.
4139         (Output_section_incremental_inputs::do_write): New function.
4140         (Output_section_incremental_inputs::write_header): New function.
4141         (Output_section_incremental_inputs::write_input_files): New function.
4142         (Output_section_incremental_inputs::write_info_blocks): New function.
4143         (Output_section_incremental_inputs::write_symtab): New function.
4144         * incremental.h (Incremental_script_entry): Forward declaration.
4145         (Incremental_object_entry): Forward declaration.
4146         (Incremental_archive_entry): Forward declaration.
4147         (Incremental_inputs): Forward declaration.
4148         (Incremental_inputs_header_data): Remove.
4149         (Incremental_inputs_header): Remove.
4150         (Incremental_inputs_header_write): Remove.
4151         (Incremental_inputs_entry_data): Remove.
4152         (Incremental_inputs_entry): Remove.
4153         (Incremental_inputs_entry_write): Remove.
4154         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
4155         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
4156         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4157         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
4158         Likewise.
4159         (Incremental_input_entry): New class.
4160         (Incremental_script_entry): New class.
4161         (Incremental_object_entry): New class.
4162         (Incremental_archive_entry): New class.
4163         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4164         (Incremental_inputs::report_inputs): Remove.
4165         (Incremental_inputs::report_archive): Remove.
4166         (Incremental_inputs::report_archive_begin): New function.
4167         (Incremental_inputs::report_archive_end): New function.
4168         (Incremental_inputs::report_object): Change prototype.
4169         (Incremental_inputs::report_input_section): New function.
4170         (Incremental_inputs::report_script): Change prototype.
4171         (Incremental_inputs::get_reloc_count): New function.
4172         (Incremental_inputs::set_reloc_count): New function.
4173         (Incremental_inputs::create_data_sections): New function.
4174         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4175         (Incremental_inputs::inputs_section): New function.
4176         (Incremental_inputs::symtab_section): New function.
4177         (Incremental_inputs::relocs_section): New function.
4178         (Incremental_inputs::get_stringpool): Add const.
4179         (Incremental_inputs::command_line): Add const.
4180         (Incremental_inputs::inputs): Remove.
4181         (Incremental_inputs::command_line_key): New function.
4182         (Incremental_inputs::input_file_count): New function.
4183         (Incremental_inputs::input_files): New function.
4184         (Incremental_inputs::relocs_entsize): New function.
4185         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4186         (Incremental_inputs::finalize_inputs): Remove.
4187         (Incremental_inputs::Input_info): Remove.
4188         (Incremental_inputs::lock_): Remove.
4189         (Incremental_inputs::inputs_): Change type.
4190         (Incremental_inputs::inputs_map_): Remove.
4191         (Incremental_inputs::current_object_entry_): New data member.
4192         (Incremental_inputs::inputs_section_): New data member.
4193         (Incremental_inputs::symtab_section_): New data member.
4194         (Incremental_inputs::relocs_section_): New data member.
4195         (Incremental_inputs::reloc_count_): New data member.
4196         (Incremental_inputs_reader): New class.
4197         (Incremental_symtab_reader): New class.
4198         (Incremental_relocs_reader): New class.
4199         * layout.cc (Layout::finalize): Move finalization of incremental info
4200         and creation of incremental info sections to follow finalization of
4201         symbol table.  Set offsets for postprocessing sections.
4202         (Layout::create_incremental_info_sections): Call
4203         Incremental_inputs::create_data_sections.  Add incremental symtab
4204         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4205         sections to layout after input sections.
4206         * layout.h (struct Timespec): Forward declaration.
4207         (Layout::incremental_inputs): Add const.
4208         (Layout::create_incremental_info_sections): Add parameter.
4209         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4210         * object.cc: Include incremental.h.
4211         (Relobj::finalize_incremental_relocs): New function.
4212         (Sized_relobj::do_layout): Record input sections in incremental info.
4213         * object.h (Object::output_section): New function.
4214         (Object::output_section_offset): Moved from Relobj.
4215         (Object::get_incremental_reloc_base): New function.
4216         (Object::get_incremental_reloc_count): New function.
4217         (Object::do_output_section): New function.
4218         (Object::do_output_section_offset): Moved from Relobj.
4219         (Object::do_get_incremental_reloc_base): New function.
4220         (Object::do_get_incremental_reloc_count): New function.
4221         (Object::Object): Initialize new data members.
4222         (Relobj::output_section): Renamed do_output_section and moved to
4223         protected.
4224         (Relobj::output_section_offset): Moved to Object.
4225         (Relobj::do_get_incremental_reloc_base): New function.
4226         (Relobj::do_get_incremental_reloc_count): New function.
4227         (Relobj::allocate_incremental_reloc_counts): New function.
4228         (Relobj::count_incremental_reloc): New function.
4229         (Relobj::finalize_incremental_relocs): New function.
4230         (Relobj::next_incremental_reloc_index): New function.
4231         (Relobj::reloc_counts_): New data member.
4232         (Relobj::reloc_bases_): New data member.
4233         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4234         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4235         (Sized_relobj::incremental_relocs_scan): New function.
4236         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4237         (Sized_relobj::incremental_relocs_write): New function.
4238         (Sized_relobj::incremental_relocs_write_reltype): New function.
4239         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4240         incremental link.
4241         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4242         archives and object files elsewhere.
4243         (Add_symbols::run): Report object files here.
4244         (Finish_group::run): Report end of archive at end of group.
4245         * reloc.cc: Include layout.h, incremental.h.
4246         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4247         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4248         (Sized_relobj::incremental_relocs_scan): New function.
4249         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4250         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4251         (Sized_relobj::incremental_relocs_write): New function.
4252         (Sized_relobj::incremental_relocs_write_reltype): New function.
4253         * script.cc (read_input_script): Rewrite test for incremental link.
4254         Change call to Incremental_inputs::report_script.
4255         * symtab.h (Symbol_table::first_global_index): New function.
4256         (Symbol_table::output_count): New function.
4257
4258 2010-08-12  Doug Kwan  <dougkwan@google.com>
4259
4260         * arm.cc (Target_arm::merge_object_attributes): Check command line
4261         options --no-wchar-size-warning and --no-enum-size-warning.
4262         * options.h (General_options): Add ld-compatible options
4263         --no-enum-size-warning and --no-wchar-size-warning.
4264
4265 2010-08-04  Ian Lance Taylor  <iant@google.com>
4266
4267         * x86_64.cc (Target_x86_64::Scan::local): Use
4268         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4269         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4270         (Target_x86_64::Scan::global): Likewise.
4271         (Target_x86_64::Relocate::relocate): Likewise.
4272         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4273         Likewise.
4274
4275 2010-08-03  Cary Coutant  <ccoutant@google.com>
4276
4277         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4278         to reserve space in merged_strings vector. Keep total input size
4279         for stats.
4280         (Output_merge_string::do_print_merge_stats): Print total input size.
4281         * merge.h (Output_merge_string): Add input_size_ field.
4282         * stringpool.cc (Stringpool_template::string_length): Move
4283         implementations out of Stringpool_template class and place in
4284         stringpool.h.
4285         * stringpool.h (string_length): Move out of Stringpool_template.
4286
4287 2010-08-03  Ian Lance Taylor  <iant@google.com>
4288
4289         PR 11712
4290         * layout.cc (relaxation_loop_body): If address of load segment is
4291         set, adjust address to include headers if possible.
4292
4293 2010-08-03  Ian Lance Taylor  <iant@google.com>
4294
4295         * version.cc (version_string): Bump to 1.10.
4296
4297 2010-08-03  Ian Lance Taylor  <iant@google.com>
4298
4299         PR 11805
4300         * layout.h (enum Output_section_order): Define.
4301         (class Layout): Update declarations.
4302         * layout.cc (Layout::get_output_section): Add order parameter.
4303         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4304         is_first_non_relro parameters.  Change all callers.
4305         (Layout::choose_output_section): Likewise.
4306         (Layout::add_output_section_data): Likewise.
4307         (Layout::make_output_section): Likewise.  Set order.
4308         (Layout::default_section_order): New function.
4309         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4310         * output.cc (Output_section::Output_section): Initialize order_.
4311         Don't initialize deleted fields.
4312         (Output_segment::Output_segment): Don't initialize deleted
4313         fields.
4314         (Output_segment::add_output_section_to_load): New function
4315         replacing add_output_section.  Change all callers to call this or
4316         add_output_section_to_nonload.
4317         (Output_segment::add_output_section_to_nonload): New function.
4318         (Output_segment::remove_output_section): Rewrite.
4319         (Output_segment::add_initial_output_data): Likewise.
4320         (Output_segment::has_any_data_sections): Likewise.
4321         (Output_segment::is_first_section_relro): Likewise.
4322         (Output_segment::maximum_alignment): Likewise.
4323         (Output_segment::has_dynamic_reloc): New function replacing
4324         dynamic_reloc_count.  Change all callers.
4325         (Output_segment::has_dynamic_reloc_list): New function replacing
4326         dynamic_reloc_count_list.  Change all callers.
4327         (Output_segment::set_section_addresses): Rewrite.
4328         (Output_segment::set_offset): Rewrite.
4329         (Output_segment::find_first_and_last_list): Remove.
4330         (Output_segment::set_tls_offsets): Rewrite.
4331         (Output_segment::first_section_load_address): Likewise.
4332         (Output_segment::output_section_count): Likewise.
4333         (Output_segment::section_with_lowest_load_address): Likewise.
4334         (Output_segment::write_section_headers): Likewise.
4335         (Output_segment::print_sections_to_map): Likewise.
4336         * output.h (class Output_data): Remove dynamic_reloc_count_
4337         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4338         (Output_data::add_dynamic_reloc): Rewrite.
4339         (Output_data::has_dynamic_reloc): New function.
4340         (Output_data::dynamic_reloc_count): Remove.
4341         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4342         is_last_relro_, is_first_non_relro_, is_interp_,
4343         is_dynamic_linker_section_ fields.  Add order and set_order
4344         functions.  Remove is_relro_local, set_is_relro_local,
4345         is_last_relro, set_is_last_relro, is_first_non_relro,
4346         set_is_first_non_relro functions, is_interp, set_is_interp,
4347         is_dynamic_linker_section, and set_is_dynamic_linker_section
4348         functions.
4349         (class Output_segment): Change Output_data_list from std::list to
4350         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4351         output_bss_ fields.  Update declarations.
4352
4353 2010-08-02  Ian Lance Taylor  <iant@google.com>
4354
4355         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4356         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4357         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4358
4359 2010-08-02  Ian Lance Taylor  <iant@google.com>
4360
4361         PR 11855
4362         * script.cc (Script_options::Script_options): Initialize
4363         symbol_definitions_ and symbol_references_.
4364         (Script_options::add_symbol_assignment): Update
4365         symbol_definitions_ and symbol_references_.
4366         (Script_options::add_symbol_reference): New function.
4367         (script_symbol): New function.
4368         * script.h (class Script_options): Add symbol_definitions_ and
4369         symbol_references_ fields.
4370         (Script_options::referenced_const_iterator): New type.
4371         (Script_options::referenced_begin): New function.
4372         (Script_options::referenced_end): New function.
4373         (Script_options::is_referenced): New function.
4374         (Script_options::any_unreferenced): New function.
4375         * script-c.h (script_symbol): Declare.
4376         * yyscript.y (exp): Call script_symbol.
4377         * symtab.cc: Include "script.h".
4378         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4379         Change all callers.  Check symbols referenced by scripts.
4380         (Symbol_table::add_undefined_symbols_from_command_line): Add
4381         layout parameter.  Change all callers.
4382         (Symbol_table::do_add_undefined_symbols_from_command_line):
4383         Likewise.  Break out loop body.  Check symbols referenced by
4384         scripts.
4385         (Symbol_table::add_undefined_symbol_from_command_line): New
4386         function broken out of
4387         do_add_undefined_symbols_from_command_line.
4388         * symtab.h (class Symbol_table): Update declarations.
4389         * archive.cc: Include "layout.h".
4390         (Archive::should_include_member): Add layout parameter.  Change
4391         all callers.  Check for symbol mentioned in expression.
4392         * archive.h (class Archive): Update declaration.
4393         * object.cc (Sized_relobj::do_should_include_member): Add layout
4394         parameter.
4395         * object.h (Object::should_include_member): Add layout parameter.
4396         Change all callers.
4397         (Object::do_should_include_member): Add layout parameter.
4398         (class Sized_relobj): Update declaration.
4399         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4400         parameter.
4401         * dynobj.h (class Sized_dynobj): Update declaration.
4402         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4403         layout parameter.
4404         * plugin.h (class Sized_pluginobj): Update declaration.
4405
4406 2010-08-02  Ian Lance Taylor  <iant@google.com>
4407
4408         PR 11866
4409         * output.cc (Output_segment::set_offset): Search for the first and
4410         last sections rather than assuming that the list is in order.
4411         (Output_segment::find_first_and_last_list): New function.
4412         * output.h (class Output_segment): Update declarations.
4413         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4414         (relro_strip_test_SOURCES): New variable.
4415         (relro_strip_test_DEPENDENCIES): New variable.
4416         (relro_strip_test_LDFLAGS): New variable.
4417         (relro_strip_test_LDADD): New variable.
4418         (relro_strip_test.so): New target.
4419
4420 2010-08-02  Ian Lance Taylor  <iant@google.com>
4421
4422         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4423         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4424         (Target_i386::got_tlsdesc_section): New function.
4425         (Target_i386::got_section): Create space for GOT entries for
4426         TLSDESC relocations.
4427         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4428         R_386_TLS_GOTDESC.
4429         (Target_i386::Scan::global): Likewise.
4430         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4431         using TLSDESC GOT.
4432         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4433         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4434         (Target_x86_64::got_tlsdesc_section): New function.
4435         (Target_x86_64::got_section): Create space for GOT entries for
4436         TLSDESC relocations.
4437         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4438         R_386_TLS_GOTDESC.
4439         (Target_x86_64::Scan::global): Likewise.
4440         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4441         using TLSDESC GOT.
4442
4443 2010-08-02  Ian Lance Taylor  <iant@google.com>
4444
4445         * testsuite/final_layout.sh: Use dc to convert from hex to
4446         decimal.
4447
4448 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4449
4450         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4451         paramter to the call to gold::gc_process_relocs.
4452         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4453         paramter to the call to gold::gc_process_relocs.
4454         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4455         parameter to the call to gold::gc_process_relocs.
4456         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4457         template parameter to the call to gold::gc_process_relocs.
4458         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4459         paramter to the call to gold::gc_process_relocs.
4460         * gc.h (get_embedded_addend_size): New function.
4461         (gc_process_relocs): Save the size of the reloc for use by ICF.
4462         * icf.cc (get_section_contents): Get the addend from the text section
4463         for SHT_REL relocation sections.
4464         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4465         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4466         * int_encoding.h (read_from_pointer): New overloaded function.
4467         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4468         * testsuite/icf_sht_rel_addend_test.sh: New file.
4469         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4470         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4471
4472 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4473
4474         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4475         * Makefile.in: Regenerate.
4476         * testsuite/Makefile.in: Regenerate.
4477
4478 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4479
4480         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4481         * gold/testsuite/debug_msg.cc: Likewise.
4482         * gold/testsuite/odr_violation1.cc
4483         * gold/testsuite/odr_violation2.cc
4484
4485 2010-07-21  Cary Coutant  <ccoutant@google.com>
4486
4487         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4488         string, and length fields.
4489         (Output_merge_string::Merged_strings_list): New type.
4490         (Output_merge_string::Merged_strings_lists): New typedef.
4491         (Output_merge_string): Replace merged_strings_ with
4492         merged_strings_lists_.
4493         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4494         Merged_strings_list per input object and section.  Don't store pointer
4495         to the string.  Don't store length with each merged string entry.
4496         (Output_merge_string::finalize_merged_data): Loop over list of merged
4497         strings lists.  Recompute length of each merged string.
4498
4499 2010-07-15  Cary Coutant  <ccoutant@google.com>
4500
4501         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4502         here.
4503
4504 2010-07-14  Ian Lance Taylor  <iant@google.com>
4505
4506         * descriptors.cc (Descriptors::open): Report correct name in error
4507         message.
4508
4509 2010-07-13  Doug Kwan  <dougkwan@google.com>
4510
4511         * arm.cc (Arm_input_section::Arm_input_section): For a
4512         SHT_ARM_EXIDX section, always keeps the input sections.
4513         (Arm_input_section::set_exidx_section_link): New method.
4514         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4515         has_errors_ to false.
4516         (Arm_exidx_input_section::has_errors,
4517         Arm_exidx_input_section::set_has_errors): New methods.
4518         (Arm_exidx_input_section::has_errors_): New data member.
4519         (Arm_relobj::get_exidx_shndx_list): New method.
4520         (Arm_output_section::append_text_sections_to_list): Do not skip
4521         section without SHF_EXECINSTR.
4522         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4523         errors.
4524         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4525         section header.  Make error messages more verbose.  Check for
4526         a non-executable section linked to an EXIDX section.
4527         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4528         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4529         check that there is no deferred EXIDX section if we exit early.
4530         Instead of not making an EXIDX section in case of an error, make one
4531         and set the has_errors flag of it.
4532         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4533         in a relocatable link.
4534         (Target_arm::do_relax): Look for the EXIDX output section instead of
4535         assuming that it is called .ARM.exidx.
4536         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4537         section list.  Do not check for SHF_EXECINSTR section flags but
4538         skip any input section with errors.
4539         * output.cc (Output_section::Output_section): Initialize
4540         always_keeps_input_sections_ to false.
4541         (Output_section::add_input_section): Check for
4542         always_keeps_input_sections_.
4543         *  output.h (Output_section::always_keeps_input_sections,
4544         Output_section::set_always_keeps_input_sections): New methods.
4545         (Output_section::always_keeps_input_sections): New data member.
4546
4547 2010-07-13  Rafael Espindola  <espindola@google.com>
4548
4549         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4550         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4551
4552 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4553             Ian Lance Taylor  <iant@google.com>
4554
4555         * output.h (Output_section_lookup_maps::add_merge_section):
4556         Correct check of whether value was inserted.
4557         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4558         (Output_section_lookup_maps::add_relaxed_input_section):
4559         Likewise.
4560         * arm.cc (Target_arm::got_section): Remove used local os.
4561         * i386.cc (Target_i386::got_section): Likewise.
4562         * x86_64.cc (Target_x86_64::got_section): Likewise.
4563         * sparc.cc (Target_sparc::got_section): Likewise.
4564         (Target_sparc::relocate): Remove unused local have_got_offset.
4565         * powerpc.cc (Target_powerpc::relocate): Likewise.
4566
4567 2010-07-13  Ian Lance Taylor  <iant@google.com>
4568
4569         * compressed_output.cc (zlib_decompress): Fix signature in
4570         !HAVE_ZLIB_H case.
4571
4572         * archive.cc (Archive::include_member): Unlock an external member
4573         of a thin archive.  Don't bother to delete an object we know is
4574         NULL.
4575
4576 2010-07-12  Cary Coutant  <ccoutant@google.com>
4577
4578         * compressed_output.cc (zlib_decompress): New function.
4579         (get_uncompressed_size): New function.
4580         (decompress_input_section): New function.
4581         * compressed_output.h (get_uncompressed_size): New function.
4582         (decompress_input_section): New function.
4583         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4584         Handle compressed debug sections.
4585         * layout.cc (is_compressed_debug_section): New function.
4586         (Layout::output_section_name): Map compressed section names to
4587         canonical names.
4588         * layout.h (is_compressed_debug_section): New function.
4589         (is_debug_info_section): Recognize compressed debug sections.
4590         * merge.cc: Include compressed_output.h.
4591         (Output_merge_data::do_add_input_section): Handle compressed
4592         debug sections.
4593         (Output_merge_string::do_add_input_section): Handle compressed
4594         debug sections.
4595         * object.cc: Include compressed_output.h.
4596         (Sized_relobj::Sized_relobj): Initialize new data members.
4597         (build_compressed_section_map): New function.
4598         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4599         * object.h (Object::section_is_compressed): New method.
4600         (Object::do_section_is_compressed): New method.
4601         (Sized_relobj::Compressed_section_map): New type.
4602         (Sized_relobj::do_section_is_compressed): New method.
4603         (Sized_relobj::compressed_sections_): New data member.
4604         * output.cc (Output_section::add_input_section): Handle compressed
4605         debug sections.
4606         * reloc.cc: Include compressed_output.h.
4607         (Sized_relobj::write_sections): Handle compressed debug sections.
4608
4609 2010-07-08  Cary Coutant  <ccoutant@google.com>
4610
4611         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4612         weak when resolving to a dynamic def.
4613         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4614         for weak undef/dynamic def cases. Adjust callers.
4615         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4616         undef_binding_weak_.
4617         (Symbol_table::sized_write_globals): Adjust symbol binding.
4618         (Symbol_table::sized_write_symbol): Add binding parameter.
4619         * symtab.h (Symbol::set_undef_binding): New method.
4620         (Symbol::is_undef_binding_weak): New method.
4621         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4622         (Symbol_table::should_override): Add new parameter.
4623         (Symbol_table::sized_write_symbol): Add new parameter.
4624
4625         * testsuite/weak_undef_file1.cc: Add new test case.
4626         * testsuite/weak_undef_file2.cc: Fix header comment.
4627         * testsuite/weak_undef_test.cc: Add new test case.
4628
4629 2010-06-29  Doug Kwan  <dougkwan@google.com>
4630
4631         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4632         Initialize USE_SYMBOL_.
4633         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4634         definition.
4635         (Arm_reloc_property::uses_symbol_): New data member declaration.
4636         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4637         uses symbol value and symbol is undefined but not weakly undefined.
4638
4639 2010-06-28  Rafael Espindola  <espindola@google.com>
4640
4641         * plugin.cc (Plugin::load): Use dlerror.
4642
4643 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4644
4645         * symtab.cc (detect_odr_violations): When reporting an ODR
4646         violation, report an object where the symbol is defined.
4647
4648 2010-06-25  Doug Kwan  <dougkwan@google.com>
4649
4650         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4651         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4652         definition.
4653         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4654         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4655         target hook to detect function points.
4656         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4657         * icf.h (Icf::check_section_for_function_pointers): Change type of
4658         parameter SECTION_NAME to const reference to std::string.  Use
4659         target hook to determine if section may have unsafe pointers.
4660         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4661         method definition.
4662
4663 2010-06-21  Rafael Espindola  <espindola@google.com>
4664
4665         * fileread.cc (Input_file::find_fie): New
4666         (Input_file::open): Use Input_file::find_fie.
4667         * fileread.h (Input_file::find_fie): New
4668         * plugin.cc (set_extra_library_path): New.
4669         (Plugin::load): Add set_extra_library_path to the transfer vector.
4670         (Plugin_manager::set_extra_library_path): New.
4671         (Plugin_manager::add_input_file): Use the extra search path if set.
4672         (set_extra_library_path(): New.
4673         * plugin.h (Plugin_manager): Add set_extra_library_path and
4674         extra_search_path_.
4675
4676 2010-06-19  Cary Coutant  <ccoutant@google.com>
4677
4678         * layout.cc (gdb_sections): Add .debug_types.
4679         (lines_only_debug_sections): Likewise.
4680
4681 2010-06-18  Rafael Espindola  <espindola@google.com>
4682
4683         * plugin.cc (add_input_file,add_input_library)
4684         (Plugin_manager::add_input_file): Make filename arguments const.
4685         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4686         const.
4687
4688 2010-06-16  Doug Kwan  <dougkwan@google.com>
4689
4690         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4691         .ARM.attributes section if we have not merged any input
4692         attributes sections.
4693
4694 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4695
4696         * arm.cc: Allow combining objects with no EABI version
4697         information.
4698
4699 2010-06-15  Rafael Espindola  <espindola@google.com>
4700
4701         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4702
4703 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4704
4705         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4706         (struct iovec): Correct !HAVE_READV definition.
4707
4708 2010-06-10  Cary Coutant  <ccoutant@google.com>
4709
4710         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4711         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4712         reloc sections.
4713         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4714
4715         PR 11683
4716         * symtab.h (Symbol::is_placeholder): New member function.
4717         * target-reloc.h (relocate_section): Check for placeholder symbols.
4718
4719         * testsuite/Makefile.am (plugin_test_8): New test.
4720         (plugin_test_9): New test.
4721         * testsuite/Makefile.in: Regenerate.
4722
4723 2010-06-09  Nick Clifton  <nickc@redhat.com>
4724
4725         * yyscript.y (input_list_element): Allow strings prefixed with
4726         the '-' character.  Treat these as libraries.
4727         * script.cc (script_add_library): New function.  Adds a library
4728         specified by "-l<name>" found in an input script.
4729         * script-c.h: Add prototype for script_add_library.
4730
4731 2010-06-07  Doug Kwan  <dougkwan@google.com>
4732
4733         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4734         Restrict stub-group size to be within long conditional branch
4735         range when working around cortex-A8 erratum.
4736
4737 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4738
4739         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4740         #ifdef typo.
4741
4742 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4743
4744         PR gold/11658
4745         * output.cc
4746         (Output_section::Input_section_sort_entry::compare_section_ordering):
4747         Change to return non-zero correctly.
4748         (Output_section::Input_section_sort_section_order_index_compare
4749         ::operator()): Change to fix ambiguity in comparisons.
4750
4751 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4752
4753         * gold.h (is_wildcard_string): New function.
4754         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4755         (Layout::layout_eh_frame): Ditto.
4756         (Layout::find_section_order_index): New method.
4757         (Layout::read_layout_from_file): New method.
4758         * layout.h (Layout::find_section_order_index): New method.
4759         (Layout::read_layout_from_file): New method.
4760         (Layout::input_section_position_): New private member.
4761         (Layout::input_section_glob_): New private member.
4762         * main.cc (main): Call read_layout_from_file here.
4763         * options.h (--section-ordering-file): New option.
4764         * output.cc (Output_section::input_section_order_specified_): New
4765         member.
4766         (Output_section::Output_section): Initialize new member.
4767         (Output_section::add_input_section): Add new parameter.
4768         Keep input sections when --section-ordering-file is used.
4769         (Output_section::set_final_data_size): Sort input sections when
4770         section ordering file is specified.
4771         (Output_section::Input_section_sort_entry): Add new parameter.
4772         Check sorting type.
4773         (Output_section::Input_section_sort_entry::compare_section_ordering):
4774         New method.
4775         (Output_section::Input_section_sort_compare::operator()): Change to
4776         consider section_order_index.
4777         (Output_section::Input_section_sort_init_fini_compare::operator()):
4778         Change to consider section_order_index.
4779         (Output_section::Input_section_sort_section_order_index_compare
4780         ::operator()): New method.
4781         (Output_section::sort_attached_input_sections): Change to sort
4782         according to section order when specified.
4783         (Output_section::add_input_section<32, true>): Add new parameter.
4784         (Output_section::add_input_section<64, true>): Add new parameter.
4785         (Output_section::add_input_section<32, false>): Add new parameter.
4786         (Output_section::add_input_section<64, false>): Add new parameter.
4787         * output.h (Output_section::add_input_section): Add new parameter.
4788         (Output_section::input_section_order_specified): New
4789         method.
4790         (Output_section::set_input_section_order_specified): New method.
4791         (Input_section::Input_section): Initialize section_order_index_.
4792         (Input_section::section_order_index): New method.
4793         (Input_section::set_section_order_index): New method.
4794         (Input_section::section_order_index_): New member.
4795         (Input_section::Input_section_sort_section_order_index_compare): New
4796         struct.
4797         (Output_section::input_section_order_specified_): New member.
4798         * script-sections.cc (is_wildcard_string): Delete and move modified
4799         method to gold.h.
4800         (Output_section_element_input::Output_section_element_input): Modify
4801         call to is_wildcard_string.
4802         (Output_section_element_input::Input_section_pattern
4803         ::Input_section_pattern): Ditto.
4804         (Output_section_element_input::Output_section_element_input): Ditto.
4805         * testsuite/Makefile.am (final_layout): New test case.
4806         * testsuite/Makefile.in: Regenerate.
4807         * testsuite/final_layout.cc: New file.
4808         * testsuite/final_layout.sh: New file.
4809
4810 2010-06-01  Rafael Espindola  <espindola@google.com>
4811
4812         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4813
4814 2010-06-01  Rafael Espindola  <espindola@google.com>
4815
4816         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4817         visibility of symbols.
4818
4819 2010-05-27  Doug Kwan  <dougkwan@google.com>
4820
4821         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4822         from start of output section instead of address for a local symbol
4823         in a merged or relaxed section when doing a relocatable link.
4824
4825 2010-05-26  Rafael Espindola  <espindola@google.com>
4826
4827        PR 11604
4828         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4829         adding sections the garbage collector removed.
4830         * gold/testsuite/Makefile.am: Add test.
4831         * gold/testsuite/Makefile.in: Regenerate.
4832         * gold/testsuite/plugin_test_7.sh: New.
4833         * gold/testsuite/plugin_test_7_1.c: New.
4834         * gold/testsuite/plugin_test_7_2.c: New.
4835
4836 2010-05-26  Rafael Espindola  <espindola@google.com>
4837
4838         * script-sections.cc (Output_section_definition::set_section_addresses):
4839         Check for --section-start.
4840
4841 2010-05-26  Doug Kwan  <dougkwan@google.com>
4842
4843         * arm.cc (Arm_scan_relocatable_relocs): New class.
4844         (Target_arm::relocate_special_relocatable): New method.
4845         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4846         (Arm_relocate_functions::thumb_branch_common): Same.
4847         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4848         instead of Default_scan_relocatable_relocs.
4849         * target-reloc.h (relocate_for_relocatable): Let target handle
4850         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4851         * target.h (Sized_target::relocate_special_relocatable): New method.
4852
4853 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4854
4855         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4856
4857 2010-05-23  Doug Kwan  <dougkwan@google.com>
4858
4859         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4860         instead of a cast.
4861         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4862         with a direct branch, not a conditional branch, to a stub.
4863         * merge.cc (Output_merge_base::record_input_section): New method
4864         defintion.
4865         (Output_merge_data::do_add_input_section): Record input section if
4866         keeps-input-sections flag is set.
4867         (Output_merge_string::do_add_input_section): Ditto.
4868         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4869         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4870         INPUT_SECTIONS_.
4871         (Output_merge_base::keeps_input_sections,
4872         Output_merge_base::set_keeps_input_sections,
4873         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4874         method definitions.
4875         (Output_merge_base::Input_sections): New type declaration.
4876         (Output_merge_base::input_sections_begin,
4877         Output_merge_base::input_sections_end,
4878         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4879         (Output_merge_base::bool keeps_input_sections_,
4880         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4881         Output_merge_base::input_sections_): New data members.
4882         (Output_merge_data::do_set_keeps_input_sections): New method
4883         defintion.
4884         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4885         * output.cc (Output_section::Input_section::relobj): Move method
4886         defintion from class declaration to here and handle merge sections.
4887         (Output_section::Input_section::shndx): Ditto.
4888         (Output_section::Output_section): Remove initializations of removed
4889         data members and initialize new data member LOOKUP_MAPS_.
4890         (Output_section::add_input_section): Set keeps-input-sections flag
4891         for a newly created merge output section as appropriate.  Adjust code
4892         to use Output_section_lookup_maps class.
4893         (Output_section::add_relaxed_input_section): Adjst code for lookup
4894         maps code refactoring.
4895         (Output_section::add_merge_input_section): Add a new parameter
4896         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4897         class.  If adding input section to a newly created merge output
4898         section fails, remove the new merge section.
4899         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4900         Adjust code for use of the Output_section_lookup_maps class.
4901         (Output_section::find_merge_section): Ditto.
4902         (Output_section::build_lookup_maps): New method defintion.
4903         (Output_section::find_relaxed_input_section): Adjust code to use
4904         Output_section_lookup_maps class.
4905         (Output_section::get_input_sections): Export merge sections.  Adjust
4906         code to use Output_section_lookup_maps class.
4907         (Output_section:::add_script_input_section): Adjust code to use
4908         Output_section_lookup_maps class.  Update lookup maps for merge
4909         sections also.
4910         (Output_section::discard_states): Use Output_section_lookup_maps.
4911         (Output_section::restore_states): Same.
4912         * output.h (Merge_section_properties): Move class defintion out of
4913         Output_section.
4914         (Output_section_lookup_maps): New class.
4915         (Output_section::Input_section::is_merge_section): New method
4916         defintion.
4917         (Output_section::Input_section::relobj): Move defintion out of class
4918         defintion.  Declare method only.
4919         (Output_section::Input_section::shndx): Ditto.
4920         (Output_section::Input_section::output_merge_base): New method defintion.
4921         (Output_section::Input_section::u2_.pomb): New union field.
4922         (Output_section::Merge_section_by_properties_map,
4923         Output_section::Output_section_data_by_input_section_map,
4924         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4925         Remove types.
4926         (Output_section::add_merge_input_section): Add new parameter
4927         KEEPS_INPUT_SECTIONS.
4928         (Output_section::build_lookup_maps): New method declaration.
4929         (Output_section::merge_section_map_,
4930         Output_section::merge_section_by_properties_map_,
4931         Output_section::relaxed_input_section_map_,
4932         Output_section::is_relaxed_input_section_map_valid_): Remove data
4933         members.
4934         (Output_section::lookup_maps_): New data member.
4935
4936 2010-05-21  Doug Kwan  <dougkwan@google.com>
4937
4938         PR gold/11619
4939         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4940         avoid a compilation error.
4941
4942 2010-05-19  Rafael Espindola  <espindola@google.com>
4943
4944         * script-sections.cc (Output_section_definition::allocate_to_segment):
4945         Update the phdrs_list even when the output section is NULL.
4946         * testsuite/Makefile.am: Add test.
4947         * testsuite/Makefile.in: Regenerate.
4948         * testsuite/script_test_9.cc: New.
4949         * testsuite/script_test_9.sh: New.
4950         * testsuite/script_test_9.t: New.
4951
4952 2010-05-19  Doug Kwan  <dougkwan@google.com>
4953
4954         * arm.cc (Arm_input_section::original_size): New method.
4955         (Arm_input_section::do_addralign): Add a cast.
4956         (Arm_input_section::do_output_offset): Remove static cast.
4957         (Arm_input_section::original_addralign,
4958          Arm_input_section::original_size_): Change type to uint32_t.
4959         (Arm_input_section::init): Add safe casts for section alignment
4960         and size.
4961         (Arm_input_section::set_final_data_size): Do not set address and
4962         offset of stub table.
4963         (Arm_output_section::fix_exidx_coverage): Change use of of
4964         Output_section::Simple_input_section to that of
4965         Output_section::Input_section.
4966         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4967         except for the first pass.
4968         * output.cc (Output_section::get_input_sections): Change type of
4969         input_sections to std::list<Input_section>.
4970         (Output_section::add_script_input_section): Rename from
4971         Output_section::add_simple_input_section.  Change type of SIS
4972         parameter from Simple_input_section to Input_section.
4973         * output.h (Output_section::Simple_input_section): Remove class.
4974         (Output_section::Input_section): Change class visibility to public.
4975         (Output_section::Input_section::addralign): Use stored alignments
4976         for special input sections if set.
4977         (Output_section::Input_section::set_addralign): New method.
4978         (Output_section::get_input_sections): Change parameter type from
4979         list of Simple_input_section to list of Input_section.
4980         (Output_section::add_script_input_section): Rename from
4981         Output_section::add_simple_input_section. Change first parameter's
4982         type from Simple_input_section to Input_section and remove the
4983         second and third parameters.
4984         * script-sections.cc (Input_section::Input_section_list): Change
4985         type to list of Output_section::Input_section/
4986         (Input_section_info::Input_section_info): Change parameter type of
4987         INPUT_SECTION to Output_section::Input_section.
4988         (Input_section_info::input_section): Change return type.
4989         (Input_section_info::input_section_): Change type to
4990         Output_section::Input_section.
4991         (Output_section_element_input::set_section_addresses): Adjust code
4992         to use Output_section::Input_section instead of
4993         Output_section::Simple_input_section.  Adjust code for renaming
4994         of Output_section::add_simple_input_section.
4995         (Orphan_output_section::set_section_addresses): Ditto.
4996
4997 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4998
4999         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
5000         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
5001
5002 2010-05-18  Rafael Espindola  <espindola@google.com>
5003
5004         * options.cc (General_options::finalize): Handle -nostdlib.
5005         * options.h (nostdlib): New option.
5006         * script.cc (script_add_search_dir): Handle -nostdlib.
5007
5008 2010-05-12  Doug Kwan  <dougkwan@google.com>
5009
5010         * arm.cc (Target_arm::do_finalize_sections): Create an empty
5011         attributes section only if there no attributes section after merging.
5012         (Target_arm::merge_object_attributes): Move value of
5013         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
5014         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
5015         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
5016         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
5017         and arm_attr_merge_7.stdout.
5018         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
5019         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
5020         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
5021         arm_attr_merge_7b.o): New rules.
5022         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
5023         arm_attr_merge_7
5024         * testsuite/Makefile.in: Regenerate.
5025         * testsuite/arm_attr_merge.sh: New file.
5026         * testsuite/arm_attr_merge_[67][ab].s: Same.
5027
5028 2010-05-05  Nick Clifton  <nickc@redhat.com>
5029
5030         * po/es.po: Updated Spanish translation.
5031
5032 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5033
5034         * Makefile.am (install-exec-local): Properly install gold as
5035         default cross linker.
5036         * Makefile.in: Regenerated.
5037
5038 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5039             Nick Clifton  <nickc@redhat.com>
5040
5041         * configure.ac (install_as_default): Define and set to false
5042         unless --enable-gold or --enable-gold=both/gold has been
5043         specified.
5044         * configure: Regenerate.
5045
5046         * Makefile.am (install-exec-local): Install the executable as
5047         'ld.gold'.  If install_as_default is true then also install it as
5048         'ld'.
5049         * Makefile.in: Regenerated.
5050
5051 2010-04-24  Ian Lance Taylor  <iant@google.com>
5052
5053         * layout.cc (Layout::layout_reloc): In relocatable link don't
5054         combine reloc sections for grouped sections.
5055
5056 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
5057
5058         * gc.h (gc_process_relocs): Pass information on relocs pointing to
5059         sections that are not ordinary to icf.
5060         * icf.cc (get_section_contents): Handle relocation pointing to section
5061         with no object or shndx information.
5062         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
5063         * testsuite/Makefile.in: Regenerate.
5064         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
5065         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
5066
5067 2010-04-22  Ian Lance Taylor  <iant@google.com>
5068
5069         * expression.cc (Expression::Expression_eval_info): Add
5070         result_alignment_pointer field.
5071         (Expression::eval_with_dot): Add result_alignment_pointer
5072         parameter.  Change all callers.
5073         (Expression::eval_maybe_dot): Likewise.
5074         (class Binary_expression): Add alignment_pointer parameter to
5075         left_value and right_value.  Change all callers.
5076         (BINARY_EXPRESSION): Set result alignment.
5077         (class Trinary_expression): Add alignment_pointer parameter to
5078         arg2_value and arg3_value.  Change all callers.
5079         (Trinary_cond::value): Set result alignment.
5080         (Max_expression::value, Min_expression::value): Likewise.
5081         (Align_expression::value): Likewise.
5082         * script-sections.cc (class Sections_element): Add dot_alignment
5083         parameter to set_section_addresses virtual function.  Update
5084         instantiations.
5085         (class Output_section_element): Likewise.
5086         (Script_sections::create_segments): Add dot_alignment parameter.
5087         Change all callers.
5088         (Script_sections::create_segments_from_phdrs_clause): Likewise.
5089         (Script_sections::set_phdrs_clause_addresses): Likewise.
5090         * script-sections.h: Update declarations.
5091         * script.h: Update declarations.
5092         * output.h (Output_segment::set_minimum_p_align): Don't decrease
5093         min_p_align.
5094         * testsuite/script_test_3.t: Set large alignment.
5095         * testsuite/script_test_3.sh: Make sure that at least one LOAD
5096         segment has expected alignment.
5097
5098 2010-04-22  Nick Clifton  <nickc@redhat.com>
5099
5100         * po/gold.pot: Updated by the Translation project.
5101         * po/vi.po: Updated Vietnamese translation.
5102
5103 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
5104
5105         * testsuite/Makefile.am (check_PROGRAMS): Add
5106         icf_virtual_function_folding_test.
5107         * testsuite/Makefile.in: Regenerated.
5108
5109 2010-04-15  Andrew Haley  <aph@redhat.com>
5110
5111         * options.h (merge_exidx_entries): New option.
5112         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
5113         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
5114         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
5115         (Target_arm::merge_exidx_entries): New function.
5116         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
5117         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
5118         to Arm_exidx_fixup constructor.
5119         Add new arg, merge_exidx_entries.
5120         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
5121         Arm_output_section::fix_exidx_coverage.
5122
5123 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
5124
5125         * icf.cc (get_section_contents): Check for preemptible functions.
5126         Ignore addend when appropriate.
5127         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
5128         section folded.
5129         (add_from_relobj): Check for section folded.
5130         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
5131         * symtab.h (should_add_dynsym_entry): Add new parameter.
5132         * target-reloc.h (scan_relocs): Check for section folded.
5133         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
5134         Check reloc types for function pointers in shared objects.
5135         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
5136         case.
5137         (icf_preemptible_functions_test): New test case.
5138         (icf_string_merge_test): New test case.
5139         * testsuite.Makefile.in: Regenerate.
5140         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
5141         bar_glob.  Refactor code.
5142         * testsuite/icf_preemptible_functions_test.cc: New file.
5143         * testsuite/icf_preemptible_functions_test.sh: New file.
5144         * testsuite/icf_string_merge_test.cc: New file.
5145         * testsuite/icf_string_merge_test.sh: New file.
5146         * testsuite/icf_virtual_function_folding_test.cc: New file.
5147         * testsuite/icf_virtual_function_folding_test.sh: New file.
5148
5149 2010-04-14  Doug Kwan  <dougkwan@google.com>
5150
5151         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
5152         for local symbol recounting if we remove a section due to ICF.
5153         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
5154         there are no regular objects in input.
5155
5156 2010-04-13  Doug Kwan  <dougkwan@google.com>
5157
5158         * arm.cc (Arm_input_section::set_final_data_size): Compute
5159         accurate final data size instead of using current data size.
5160
5161 2010-04-09  Doug Kwan  <dougkwan@google.com>
5162
5163         * layout.cc (Layout::choose_output_section): Handle script section
5164         types.
5165         (Layout::make_output_section_for_script): Add section type parameter.
5166         Handle script section types.
5167         * layout.h (Layout::make_output_section_for_script): Add section
5168         type parameter.
5169         * output.cc (Output_section::Output_section): Initialize data member
5170         is_noload_.
5171         (Output_section::do_reset_address_and_file_offset): Do not set address
5172         to 0 if section is a NOLOAD section.
5173         * output.h (Output_section::is_noload): New method.
5174         (Output_section::set_is_noload): Ditto.
5175         (Output_section::is_noload_): New data member.
5176         * script-c.h (Script_section_type): New enum type.
5177         (struct Parser_output_section_header): Add new file section_type.
5178         * script-sections.cc (Sections_element::output_section_name): Add
5179         parameter for returning script section type.
5180         (Output_section_definition::output_section_name): Ditto.
5181         (Output_section_definition::section_type)P; New method.
5182         (Output_section_definiton::script_section_type_name): Ditto.
5183         (Output_section_definition::script_section_type_): New data member.
5184         (Output_section_definition::Output_section_definition): Initialize
5185         data member Output_section_definition::script_section_type_.
5186         (Output_section_definition::create_sections): Pass script section type
5187         to Layout::make_output_section_for_script.
5188         (Output_section_definition::output_section_name): Return script
5189         section type to caller.
5190         (Output_section_definition::set_section_address): Do not advance
5191         dot value and load address if section type is NOLOAD.  Set address
5192         of NOLOAD sections regardless of section flags.
5193         (Output_section_definition::print): Print section type if it is
5194         not SCRIPT_SECTION_TYPE_NONE.
5195         (Output_section_definition::section_type): New method.
5196         (Output_section_definition::script_section_type_name): Ditto.
5197         (Script_sections::output_section_name): Add new parameter
5198         PSECTION_TYPE for returning script section type.  Pass it to
5199         section elements.  Handle discard sections.
5200         (Sort_output_sections::operator()): Handle NOLOAD sections.
5201         * script-sections.h (Script_sections::Section_type): New enum type.
5202         (Script_sections::output_section_name): Add a new parameter for
5203         returning script section type.
5204         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5205         INFO and NOLOAD.
5206         * yyscript.y (union): Add new field SECTION_TYPE.
5207         (COPY, DSECT, INFO, NOLOAD): New tokens.
5208         (opt_address_and_section_type): Change type to output_section_header.
5209         (section_type): New non-terminal
5210         (section_header): Handle section type.
5211         (opt_address_and_section_type): Return section type value.
5212
5213 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5214
5215         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5216         * testsuite/plugin_common_test_2.c (foo): Likewise.
5217
5218 2010-04-08  Doug Kwan  <dougkwan@google.com>
5219
5220         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5221         Output_merge_data.
5222         * output.cc (Output_section::add_merge_input_section): Simplify
5223         code and return status of Output_merge_base::add_input_section.
5224         Update merge section map only if Output_merge_base::add_input_section
5225         returns true.
5226
5227 2010-04-07  Doug Kwan  <dougkwan@google.com>
5228
5229         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5230         if section is marked as containing instructions but has no mapping
5231         symbols.
5232         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5233         correct section index.
5234         (Arm_relobj::find_linked_text_section): Ditto.
5235
5236 2010-04-07  Cary Coutant  <ccoutant@google.com>
5237
5238         * archive.cc (include_member): Destroy Read_symbols_data object before
5239         releasing file.
5240         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5241         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5242         (Read_symbols_data::~Read_symbols_data) New destructor.
5243         (Section_relocs::Section_relocs) New constructor.
5244         (Section_relocs::~Section_relocs) New destructor.
5245         (Read_relocs_data::Read_relocs_data) New constructor.
5246         (Read_relocs_data::~Read_relocs_data) New destructor.
5247         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5248         pointers to NULL after deleting.
5249
5250 2010-04-07  Doug Kwan  <dougkwan@google.com>
5251
5252         * arm.cc: Replace "endianity" with "endianness" in comments.
5253         (Arm_exidx_cantunwind): Ditto.
5254         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5255         (Arm_relobj::merge_flags_and_attributes): New method.
5256         (Arm_relobj::merge_flags_and_attributes_): New data member.
5257         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5258         (Arm_relobj::scan_sections_for_stubs): Ditto.
5259         (Arm_relobj::do_read_symbols): Check to see if we really want to
5260         merge processor-specific flags and attributes.  Exit early if
5261         an object is empty except for section names and the undefined symbol.
5262         (Target_arm::do_finalize_sections): Move check for ELF format to
5263         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5264         attributes from a regular object only when we have determined that
5265         it is aapropriate.  Do not create an .ARM.attributes section in
5266         output if there is no regular input object.
5267         (Target_arm::merge_processor_specific_flags): Check
5268         --warn-mismatch before printing any error.
5269         (Target_arm::merge_object_attributes): Ditto.
5270         * gold.cc (queue_middle_tasks): Handle the case in which there is
5271         no regular object in input.
5272         * options.cc (General_options::parse_EB): New method.
5273         (General_options::parse_EL): Same.
5274         (General_options::General_options): Initialize endianness_.
5275         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5276         New options.
5277         (General_options::Endianness): New enum.
5278         (General_options::endianness): New method.
5279         (General_options::endianness_): New data member.
5280         * parameters.cc (Parameters::set_options): Check target endianness.
5281         (Parameters::set_target_once): Ditto.
5282         (Parameters::check_target_endianness): New method.
5283         (parameters_force_valid_target): If either -EL or -EB is specified,
5284         use it to define endianness of default target.
5285         * parameters.h (Parameters::check_target_endianness): New method
5286         declaration.
5287         * target.h (class Target): Change "endianity" to "endianness"
5288         in comments.
5289
5290 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5291
5292         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5293         * configure: Regenerate.
5294         * Makefile.in: Regenerate.
5295         * testsuite/Makefile.in: Regenerate.
5296
5297 2010-04-06  Cary Coutant  <ccoutant@google.com>
5298
5299         gcc PR lto/42757
5300         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5301         prevailing definitions of common symbols.
5302         * testsuite/plugin_test_6.sh: New test case.
5303         * testsuite/plugin_common_test_1.c: New test case.
5304         * testsuite/plugin_common_test_2.c: New test case.
5305         * testsuite/Makefile.am (plugin_test_6): New test case.
5306         * testsuite/Makefile.in: Regenerate.
5307
5308 2010-04-06  Nick Clifton  <nickc@redhat.com>
5309
5310         * po/vi.po: New Vietnamese translation.
5311
5312 2010-03-30  Doug Kwan  <dougkwan@google.com>
5313
5314         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5315
5316 2010-03-25  Doug Kwan  <dougkwan@google.com>
5317
5318         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5319         to avoid a conversion warning on a 32-bit host.
5320
5321 2010-03-24  Ian Lance Taylor  <iant@google.com>
5322
5323         * testsuite/script_test_3.t: Add a TLS segment.
5324         * testsuite/Makefile.am (check_PROGRAMS): Add
5325         tls_phdrs_script_test.
5326         (tls_phdrs_script_test_SOURCES): Define.
5327         (tls_phdrs_script_test_DEPENDENCIES): Define.
5328         (tls_phdrs_script_test_LDFLAGS): Define.
5329         (tls_phdrs_script_test_LDADD): Define.
5330         * testsuite/Makefile.in: Rebuild.
5331
5332 2010-03-23  Cary Coutant  <ccoutant@google.com>
5333
5334         * fileread.cc (find_or_make_view): Fix comment.
5335
5336 2010-03-23  Ian Lance Taylor  <iant@google.com>
5337
5338         * script-sections.cc (class Orphan_section_placement): Define
5339         PLACE_TLS and PLACE_TLS_BSS.
5340         (Orphan_section_placement::Orphan_section_placement): Initialize
5341         new places.
5342         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5343         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5344         (tls_script_test_SOURCES): Define.
5345         (tls_script_test_DEPENDENCIES): Define.
5346         (tls_script_test_LDFLAGS): Define.
5347         (tls_script_test_LDADD): Define.
5348         * testsuite/Makefile.in: Rebuild.
5349
5350 2010-03-22  Doug Kwan  <dougkwan@google.com>
5351
5352         * arm.cc (Arm_relocate_functions::abs8,
5353         Arm_relocate_functions::abs16): Use correct check for overflow
5354         specified in the ARM ELF specs.
5355         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5356         target of a BLX instruction specially.
5357         (Reloc_stub::stub_type_for_reloc): Ditto.
5358         (Relocate::relocate): Use symbolic names instead of numeric relocation
5359         codes to report error.
5360         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5361         workaround.
5362         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5363         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5364         thumb2_blx_out_of_range.stdout
5365         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5366         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5367         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5368         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5369         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5370         thumb2_blx_in_range, thumb2_blx_in_range.o,
5371         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5372         thumb2_blx_out_of_range.o): New rules.
5373         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5374         thumb2_blx_in_range and thumb2_blx_out_of_range.
5375         * testsuite/Makefile.in: Regenerate.
5376         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5377         * testsuite/thumb_blx_in_range.s: New file.
5378         * testsuite/thumb_blx_out_of_range.s: New file.
5379
5380 2010-03-22  Rafael Espindola  <espindola@google.com>
5381
5382         * archive.cc (Should_include): Move to archive.h.
5383         (should_include_member): Make it a member of Archive.
5384         (Lib_group): New.
5385         (Add_lib_group_symbols): New.
5386         * archive.h: Include options.h.
5387         (Archive_member): Moved from Archive.
5388         (Should_include): Moved from archive.cc.
5389         (Lib_group): New.
5390         (Add_lib_group_symbols): New.
5391         * dynobj.cc (do_should_include_member): New.
5392         * dynobj.h (do_should_include_member): New.
5393         * gold.cc (queue_initial_tasks): Update call to queue.
5394         * main.cc (main): Print lib group stats.
5395         * object.cc (do_should_include_member): New.
5396         * object.h: Include archive.h.
5397         (Object::should_include_member): New.
5398         (Object::do_should_include_member): New.
5399         (Sized_relobj::do_should_include_member): New.
5400         * options.cc (General_options::parse_start_lib): New.
5401         (General_options::parse_end_lib): New.
5402         (Input_arguments::add_file): Handle lib groups.
5403         (Input_arguments::start_group): Check we are not in a lib.
5404         (Input_arguments::start_lib): New.
5405         (Input_arguments::end_lib): New.
5406         * options.h (General_options): Add start_lib and end_lib.
5407         (Input_argument::lib_): New.
5408         (Input_argument::lib): New.
5409         (Input_argument::is_lib): New.
5410         (Input_file_lib): New.
5411         (Input_arguments::in_lib_): New.
5412         (Input_arguments::in_lib): New.
5413         (Input_arguments::start_lib): New.
5414         (Input_arguments::end_lib_): New.
5415         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5416         in unused members as preempted.
5417         (Sized_pluginobj::do_should_include_member): New.
5418         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5419         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5420         return the blocker.
5421         (Read_symbols::do_whole_lib_group): New.
5422         (Read_symbols::do_lib_group): New.
5423         (Read_symbols::do_read_symbols): Handle lib groups.
5424         (Read_symbols::get_name): Handle lib groups.
5425         * readsyms.h (Read_symbols): Add an archive member pointer.
5426         (Read_symbols::do_whole_lib_group): New.
5427         (Read_symbols::do_lib_group): New.
5428         (Read_symbols::member_): New.
5429         * script.cc (read_input_script): Update call to queue_soon.
5430
5431 2010-03-19  Doug Kwan  <dougkwan@google.com>
5432
5433         * arm.cc (Stub_table::Stub_table): Initialize new data members
5434         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5435         (Stub_table::add_reloc_stub): Assign stub offset and update
5436         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5437         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5438         New data members.
5439         (Stub_table::update_data_size_and_addralign): Use
5440         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5441         instead of going over all reloc stubs.
5442         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5443         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5444         Stringpool_template::offset_ to size of Stringpool_char.
5445         (Stringpool_template::new_key_offset): Remove code to initialize
5446         Stringpool_template::offset_.
5447         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5448         Stringpool_template::offset_ to zero.
5449
5450 2010-03-15  Doug Kwan  <dougkwan@google.com>
5451
5452         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5453         offset_.
5454         (Stringpool_template::new_key_offset): New method.
5455         (Stringpool_template::add_string): Assign offsets when adding new
5456         strings.
5457         (Stringpool_template::set_string_offsets): Do not set string offsets
5458         when not optimizing.
5459         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5460         member size_.
5461         (Chunked_vector::clear): Clear size_.
5462         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5463         (Chunked_vector::size): Return size_.
5464         (Chunked_vector::push_back): Use size_ to find insert position.
5465         (Chunked_vector::size_): New data member.
5466         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5467         (Stringpool_template::new_key_offset): New method declaration.
5468         (Stringpool_template::offset_): New data member.
5469
5470 2010-03-15   Rafael Espindola  <espindola@google.com>
5471
5472         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5473         Add_symbols' constructor.
5474         * readsyms.h (Add_symbols): Remove the input_group member.
5475
5476 2010-03-10  Ian Lance Taylor  <iant@google.com>
5477
5478         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5479         target to ask whether a reference to a symbol requires a stack
5480         split.
5481         * target.h (Target::is_call_to_non_split): New function.
5482         (Target::do_is_call_to_non_split): Declare virtual function.
5483         * target.cc: Include "symtab.h".
5484         (Target::do_is_call_to_non_split): New function.
5485         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5486
5487 2010-03-10  Cary Coutant  <ccoutant@google.com>
5488
5489         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5490         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5491         (File_read::open[2]): Add whole_file_view_ to list of views.
5492         (File_read::make_view): Remove test of whole_file_view_.
5493         (File_read::find_or_make_view): Create whole_file_view_ if
5494         necessary.
5495         (File_read::clear_views): Replace bool parameter with enum;
5496         adjust all callers.  Don't delete views with permanent data;
5497         do delete cached views and views from archives if
5498         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5499         if clearing the corresponding view.
5500         * fileread.h (File_read::Clear_views_mode): New enum.
5501         (File_read::View::is_permanent_view): New method.
5502         (File_read::clear_views): Replace bool parameter
5503         with enum; adjust all callers.
5504         * options.h (General_options): Change keep_files_mapped option;
5505         add map_whole_files.
5506         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5507         releasing the file.
5508         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5509         the file.
5510
5511 2010-03-10  David S. Miller  <davem@davemloft.net>
5512
5513         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5514
5515 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5516
5517         * icf.cc (get_section_contents): Add '@' marker after processing the
5518         merge reloc.
5519
5520 2010-03-08  Doug Kwan  <dougkwan@google.com>
5521
5522         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5523         due to a conversion warning.
5524         (Arm_relobj::update_output_local_symbol_count): Check for local
5525         symbol with unset output index.
5526
5527 2010-03-05  Ian Lance Taylor  <iant@google.com>
5528
5529         * options.h (class General_options): Add --spare-dynamic-tags.
5530         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5531         --spare-dynamic-tags.
5532
5533 2010-03-05  Ian Lance Taylor  <iant@google.com>
5534
5535         * incremental.cc: Include "libiberty.h".
5536
5537 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5538
5539         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5540         function, is_info_ member.
5541         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5542         (Versions::Versions): Update caller.
5543         (Versions::define_base_version): Likewise.
5544         (Versions::add_def): Likewise.
5545
5546 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5547
5548         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5549         (Scan::possible_function_pointer_reloc): New function.
5550         (Scan::local_reloc_may_be_function_pointer): Change to call
5551         possible_function_pointer_reloc.
5552         (Scan::global_reloc_may_be_function_pointer): Ditto.
5553         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5554         relocations in ".data.rel.ro._ZTV" section.
5555         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5556         * testsuite/icf_safe_so_test.cc: Ditto.
5557         * testsuite/icf_safe_test.cc: Ditto.
5558         * testsuite/icf_safe_test.sh: Ditto.
5559
5560 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5561             Ian Lance Taylor  <iant@google.com>
5562
5563         * target-reloc.h (relocate_section): Check the symbol table index
5564         for -1U before setting the local symbol index.
5565         (scan_relocatable_relocs): If copying the relocation, record that
5566         the local symbol is required.
5567         * object.h (Symbol_value::is_output_symtab_index_set): New
5568         function.
5569         (Symbol_value::may_be_discarded_from_output_symtab): New
5570         function.
5571         (Symbol_value::has_output_symtab_entry): New function.
5572         (Symbol_value::needs_output_symtab_entry): Remove.
5573         (Symbol_value::output_symtab_index): Make sure the symbol index is
5574         set.
5575         (Symbol_value::set_output_symtab_index): Make sure the symbol
5576         index is not set.  Make sure the new index is valid.
5577         (Symbol_value::set_must_have_output_symtab_entry): New function.
5578         (Symbol_value::has_output_dynsym_entry): New function.
5579         (Symbol_value::set_output_dynsym_index): Make sure the new index
5580         is valid.
5581         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5582         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5583         local symbol if permitted.
5584         (Sized_relobj::do_finalize_local_symbols): Call
5585         is_output_symtab_index_set rather than needs_output_symtab_entry.
5586         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5587         rather than needs_output_symtab_entry.  Call
5588         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5589         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5590         is_output_symtab_index_set rather than needs_output_symtab_entry.
5591         * testsuite/discard_locals_relocatable_test.c: New file.
5592         * testsuite/discard_locals_test.sh: Test -r.
5593         * testsuite/Makefile.am (check_DATA): Add
5594         discard_locals_relocatable_test1.syms,
5595         discard_local_relocatable_test2.syms.
5596         (MOSTLYCLEANFILES): Likewise.  Also add
5597         discard_locals_relocatable_test1.lout and
5598         discard_locals_relocatable_test2.out.
5599         (discard_locals_relocatable_test1.syms): New target.
5600         (discard_locals_relocatable_test.o): New target.
5601         (discard_locals_relocatable_test1.out): New target.
5602         (discard_locals_relocatable_test2.syms): New target.
5603         (discard_locals_relocatable_test2.out): New target.
5604         (various): Add missing ../ld-new dependencies.
5605         * testsuite/Makefile.in: Rebuild.
5606
5607 2010-03-03  Nick Clifton  <nickc@redhat.com>
5608
5609         * po/fi.po: New Finnish translation.
5610
5611 2010-03-01  Doug Kwan  <dougkwan@google.com>
5612
5613         * layout.cc (Layout::Layout): Force section types of .init_array*,
5614         .preinit_array* and .fini_array* sections.
5615         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5616         Fix check of return value of std::string::find.().
5617         (Output_section::Input_section_sort_compare::operator()): Remove
5618         comment about .init_array.
5619         (Output_section::Input_section_sort_init_fini_compare::operator()):
5620         New method.
5621         (Output_section::sort_attached_input_sections): Handle .init_array
5622         and .fini_array specially.
5623         * output.h (Output_section::Inut_section_sort_compare): Update
5624         comment.
5625         (Output_section::Input_section_sort_init_fini_compare): New struct.
5626
5627 2010-02-26  Doug Kwan  <dougkwan@google.com>
5628
5629         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5630         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5631         * testsuite/debug_msg.sh: Avoid matching source line number for
5632         use of global variable undef_int.
5633
5634 2010-02-26  Doug Kwan  <dougkwan@google.com>
5635
5636         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5637         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5638         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5639         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5640         * options.cc (General_options::General_options): Initialize member
5641         fix_v4bx_.
5642         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5643         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5644         and rm_no_fix_v4bx.stdout
5645         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5646         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5647         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5648         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5649         and arm_no_fix_v4bx.
5650         * Makefile.in: Regenerate.
5651         * testsuite/arm_fix_v4bx.s: New file.
5652         * testsuite/arm_fix_v4bx.sh: Ditto.
5653
5654 2010-02-24  Doug Kwan  <dougkwan@google.com>
5655
5656         * arm.cc (Target_arm::got_section): Make the .got section the first
5657         non RELRO section in the data segment.
5658         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5659         suffixes of section names.
5660
5661 2010-02-24  Doug Kwan  <dougkwan@google.com>
5662
5663         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5664         flags and attributes merging if an input file is a binary file.
5665         * fileread.cc (Input_file::open): Record format of original file.
5666         * fileread.h (Input_file::Format): New enum type.
5667         (Input_file::Input_file): Initialize data member format_.
5668         (Input_file::format): New method definition.
5669         (Input_file::format_):: New data member.
5670
5671 2010-02-24  Doug Kwan  <dougkwan@google.com>
5672
5673         * arm.cc (Arm_output_data_got): New class.
5674         (ARM_TCB_SIZE): New constant
5675         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5676         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5677         If user uses a script with a SECTIONS clause, issue only a warning
5678         for a misplaced EXIDX input section.  Otherwise, issue an error.
5679         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5680         garbage collection.
5681         (Target_arm::got_mode_index_entry): Handle static linking.
5682         (Target_arm::Scan::local): Ditto.
5683         (Target_arm::Scan::global): Ditto.
5684         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5685         all incorrectly implemented relocations.
5686         (Target_arm::fix_exidx_coverage): Pass layout to
5687         Arm_output_section::fix_exidx_coverage.
5688         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5689         from ".ARM.exidx." and ".ARM.extab.".
5690
5691 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5692
5693         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5694         section if it does not already exist.
5695         * attributes.cc (Attributes_section_data::Attributes_section_data):
5696         Don't crash if size is zero.
5697
5698 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5699             Ian Lance Taylor  <iant@google.com>
5700
5701         * gold.cc (queue_middle_tasks): If no input files were opened,
5702         exit.
5703         * workqueue.h (Task_function::Task_function): Assert that there is
5704         a blocker.
5705
5706 2010-02-22  Doug Kwan  <dougkwan@google.com>
5707
5708         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5709         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5710         types to avoid warnings due to different uint64_t implementations
5711         on different hosts.
5712
5713 2010-02-21  Doug Kwan  <dougkwan@google.com>
5714
5715         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5716         handling of the maximum backward branch offset.
5717         (Arm_relocate_functions::thumb_branch_common): Ditto.
5718         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5719         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5720         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5721         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5722         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5723         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5724         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5725         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5726         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5727         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5728         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5729         thumb2_bl_out_of_range.o): New rules.
5730         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5731         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5732         thumb2_bl_out_of_range
5733         * testsuite/Makefile.in: Regenerate.
5734         * testsuite/arm_bl_in_range.s: New file.
5735         * testsuite/arm_bl_out_of_range.s: Ditto.
5736         * testsuite/arm_branch_in_range.sh: Ditto.
5737         * testsuite/arm_branch_range.t: Ditto.
5738         * testsuite/thumb2_branch_range.t: Ditto.
5739         * testsuite/thumb_bl_in_range.s: Ditto.
5740         * testsuite/thumb_bl_out_of_range.s: Ditto.
5741         * testsuite/thumb_branch_range.t: Ditto.
5742
5743 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5744
5745         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5746         Add reloc offset information.
5747         * icf.cc (get_section_contents): Change iterators to point to the new
5748         vectors. Add reloc offset information to the contents.
5749         * icf.h (Icf::Sections_reachable_info): New typedef.
5750         (Icf::Sections_reachable_list): New typedef.
5751         (Icf::Offset_info): New typedef.
5752         (Icf::Reloc_info): New struct typedef.
5753         (Icf::Reloc_info_list): New typedef.
5754         (Icf::symbol_reloc_list): Delete method.
5755         (Icf::addend_reloc_list): Delete method.
5756         (Icf::section_reloc_list): Delete method.
5757         (Icf::reloc_info_list): New method.
5758         (Icf::reloc_info_list_): New member.
5759
5760 2010-02-19  Doug Kwan  <dougkwan@google.com>
5761
5762         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5763         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5764         * arm.cc (Arm_relocation_functions): New forward declaration.
5765         (Target_arm::Target_arm): Initialize new data members
5766         got_mod_index_offset_ and tls_base_symbol_defined_.
5767         (Target_arm::Relocate::relocate_tls): New method.
5768         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5769          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5770         New methods.
5771         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5772         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5773         (Target_arm::got_mod_index_offset_,
5774         Target_arm::tls_base_symbol_defined_): New data members.
5775         (Target_arm::Scan::local, Target::Scan::global,
5776         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5777         relocations.
5778
5779 2010-02-18  Doug Kwan  <dougkwan@google.com>
5780
5781         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5782         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5783         text section as a parameter becuase some broken tools may not set
5784         the link in section header.
5785         (Target_arm::has_got_section): New method.
5786         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5787         without any mapping symbol as data only.  Remove warning.
5788         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5789         link in its section header, try to discover the link by inspecting the
5790         REL31 relocation at the beginning of the section.
5791         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5792         in error message.
5793         (Target_arm::Scan::global): Treat any reference to the symbol
5794         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5795
5796 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5797
5798         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5799         (Scan::global_reloc_may_be_function_pointer): New function.
5800         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5801         (Scan::global_reloc_may_be_function_pointer): New function.
5802         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5803         (Scan::global_reloc_may_be_function_pointer): New function.
5804         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5805         (Scan::global_reloc_may_be_function_pointer): New function.
5806         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5807         (Scan::global_reloc_may_be_function_pointer): New function.
5808         (Scan::possible_function_pointer_reloc): New function.
5809         (Target_x86_64::can_check_for_function_pointers): New function.
5810         * gc.h (gc_process_relocs): Scan relocation types to determine if
5811         function pointers were taken for targets that support it.
5812         * icf.cc (Icf::find_identical_sections): Include functions for
5813         folding in safe ICF whose pointer is not taken.
5814         * icf.h (Secn_fptr_taken_set): New typedef.
5815         (fptr_section_id_): New member.
5816         (section_has_function_pointers): New function.
5817         (set_section_has_function_pointers): New function.
5818         (check_section_for_function_pointers): New function.
5819         * options.h: Fix comment for safe ICF option.
5820         * target.h (can_check_for_function_pointers): New function.
5821         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5822         Modify icf_safe_test for X86-64.
5823         * testsuite/Makefile.in: Regenerate.
5824         * testsuite/icf_safe_so_test.cc: New file.
5825         * testsuite/icf_safe_so_test.sh: New file.
5826         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5827         (main): Change to take pointer to function kept_func_3.
5828         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5829         folding is done correctly for X86-64.
5830
5831 2010-02-12  David S. Miller  <davem@davemloft.net>
5832
5833         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5834         is_symbolless parameter.
5835         (Output_reloc<SHT_REL>::is_symbolless): New.
5836         (Output_reloc<SHT_REL>::is_symbolless_): New.
5837         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5838         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5839         (Output_reloc<SHT_RELA>::is_symbolless): New.
5840         (Output_data_reloc::add_global): Handle is_symbolless.
5841         (Output_data_reloc::add_global_relative): Likewise.
5842         (Output_data_reloc::add_local): Likewise.
5843         (Output_data_reloc::add_local_relative): Likewise.
5844         (Output_data_reloc::add_symbolless_global_addend): New.
5845         (Output_data_reloc::add_symbolless_local_addend): New.
5846         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5847         is_symbolless.
5848         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5849         instead of ->is_relative_
5850         (Output_reloc::write): Likewise.
5851         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5852         (Output_reloc::write_rel): Simplify.
5853
5854         * sparc.cc (Target_sparc::Scan::local): Use
5855         ->add_symbolless_local_addend as needed.
5856         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5857         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5858         based upon relocation offset.
5859
5860 2010-02-11  Doug Kwan  <dougkwan@google.com>
5861
5862         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5863         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5864         beginning of function.
5865         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5866         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5867         parameter is_32bit in calls to should_apply_static_reloc.
5868         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5869         (check_DATA): Add arm_abs_global.stdout.
5870         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5871         arm_abs_global.stdout): New rules.
5872         (MOSTLLYCLEANFILES): Add arm_abs_global
5873         * Makefile.in: Regenerate.
5874         * testsuite/arm_abs_global.s: New file.
5875         * testsuite/arm_abs_global.sh: Ditto.
5876         * testsuite/arm_abs_lib.s: Ditto.
5877
5878 2010-02-11  Ian Lance Taylor  <iant@google.com>
5879
5880         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5881         Read_relocs task.
5882         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5883         Allocate_commons_task first.
5884         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5885         task, rather than symtab_lock_.
5886         (Gc_process_relocs::~Gc_process_relocs): New function.
5887         (Gc_process_relocs::is_runnable): Check this_blocker_.
5888         (Gc_process_relocs::locks): Use next_blocker_ rather than
5889         blocker_.
5890         (Scan_relocs::~Scan_relocs): New function.
5891         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5892         symtab_lock_.
5893         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5894         next_blocker_.
5895         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5896         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5897         constructor accordingly.
5898         (class Gc_process_relocs): Likewise.
5899         (class Scan_relocs): Likewise.
5900         * common.h (class Allocate_commons_task): Remove symtab_lock_
5901         field, and corresponding constructor parameter.
5902         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5903         symtab_lock_.
5904         (Allocate_commons_task::locks): Likewise.
5905
5906 2010-02-11  Ian Lance Taylor  <iant@google.com>
5907
5908         * gold-threads.h (class Once): Define.
5909         (class Initialize_lock): Rewrite as child of Once.
5910         * gold-threads.cc (class Once_initialize): Define.
5911         (once_pointer_control): New static variable.
5912         (once_pointer, once_arg): New static variables.
5913         (c_run_once): New static function.
5914         (Once::Once, Once::run_once, Once::internal_run): New functions.
5915         (class Initialize_lock_once): Remove.
5916         (initialize_lock_control): Remove.
5917         (initialize_lock_pointer): Remove.
5918         (initialize_lock_once): Remove.
5919         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5920         (Initialize_lock::initialize): Rewrite.
5921         (Initialize_lock::do_run_once): New function.
5922         * archive.cc (Archive::interpret_header): Only clear name if it is
5923         not already empty.
5924         * fileread.cc: Include "gold-threads.h"
5925         (file_counts_lock): New static variable.
5926         (file_counts_initialize_lock): Likewise.
5927         (File_read::release): Only increment counts when using --stats.
5928         Use a lock around the increment.
5929         * parameters.cc (class Set_parameters_target_once): Define.
5930         (set_parameters_target_once): New static variable.
5931         (Parameters::Parameters): Move here from parameters.h.
5932         (Parameters::set_target): Rewrite.
5933         (Parameters::set_target_once): New function.
5934         (Parameters::clear_target): Move here and rewrite.
5935         * parameters.h (class Parameters): Update declarations.  Add
5936         set_parameters_target_once_ field.
5937         (Parameters::Parameters): Move to parameters.cc.
5938         (Parameters::clear_target): Likewise.
5939         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5940         task.
5941         (Start_group::~Start_group): New function.
5942         (Start_group::is_runnable): New function.
5943         (Start_group::locks, Start_group::run): New functions.
5944         (Finish_group::run): Change saw_undefined to size_t.
5945         * readsyms.h (class Start_group): Define.
5946         (class Finish_group): Change saw_undefined_ field to size_t.
5947         (Finish_group::Finish_group): Remove saw_undefined and
5948         this_blocker parameters.  Change all callers.
5949         (Finish_group::set_saw_undefined): New function.
5950         (Finish_group::set_blocker): New function.
5951         * symtab.h (class Symbol_table): Change saw_undefined to return
5952         size_t.  Change saw_undefined_ field to size_t.
5953         * target-select.cc (Set_target_once::do_run_once): New function.
5954         (Target_selector::Target_selector): Initialize set_target_once_
5955         field.  Don't initialize lock_ and initialize_lock_ fields.
5956         (Target_selector::instantiate_target): Rewrite.
5957         (Target_selector::set_target): New function.
5958         * target-select.h (class Set_target_once): Define.
5959         (class Target_selector): Update declarations.  Make
5960         Set_target_once a friend.  Remove lock_ and initialize_lock_
5961         fields.  Add set_target_once_ field.
5962
5963 2010-02-10  Ian Lance Taylor  <iant@google.com>
5964
5965         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5966         queueing any tasks.
5967         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5968         (queue_middle_tasks): Add all blockers before queueing any tasks.
5969         (queue_final_tasks): Likewise.
5970         * token.h (Task_token::add_blockers): New function.
5971         * object.h (Input_objects::number_of_relobjs): New function.
5972
5973 2010-02-10  Ian Lance Taylor  <iant@google.com>
5974
5975         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5976         shared, not if not position independent.
5977         * x86_64.cc (Relocate::relocate_tls): Likewise.
5978         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5979         (tls_pie_pic_test): New target.
5980         * testsuite/Makefile.in: Rebuild.
5981
5982         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5983         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5984         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5985         * testsuite/Makefile.in: Rebuild.
5986
5987 2010-02-09  David S. Miller  <davem@davemloft.net>
5988
5989         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5990         R_SPARC_RELATIVE using ->add_local_relative().
5991         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5992
5993         * output.h (Output_data_dynamic::add_section_size): New method
5994         that takes two Output_data objects.
5995         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5996         entry param.  Handle it in initializers.
5997         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5998         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5999         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
6000         arg.
6001         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
6002         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
6003         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
6004         for dynrel_includes_plt.
6005         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6006         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6007         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
6008         before .rela.plt
6009         (Target_sparc::do_finalize_sections): Update to pass true for
6010         dynrel_includes_plt.
6011         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
6012         output before .rela.plt
6013         (Target_powerpc::do_finalize_sections): Update to pass true for
6014         dynrel_includes_plt when 32-bit.
6015
6016 2010-02-08  Doug Kwan  <dougkwan@google.com>
6017
6018         * arm.cc (Arm_relobj::simple_input_section_output_address): New
6019         method.
6020         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
6021         Arm_relobj::scan_section_for_cortex_a8_stubs,
6022         Arm_relobj::do_relocation_section): Instead of calling
6023         Output_section::output_address, use faster
6024         Arm_relobj::simple_input_section_output_address.
6025
6026 2010-02-08  David S. Miller  <davem@davemloft.net>
6027
6028         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
6029         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
6030         relocation helper function.
6031
6032         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
6033         just like R_SPARC_GOT{10,13,22}.
6034         (Target_sparc::Scan::local): Likewise.
6035         (Target_sparc::Relocate:relocate): Likewise.
6036
6037 2010-02-06  Ian Lance Taylor  <iant@google.com>
6038
6039         * configure.ac: Rewrite targetobjs duplicate removal code to use
6040         only shell constructs.
6041         * configure: Rebuild.
6042
6043 2010-02-05  Doug Kwan  <dougkwan@google.com>
6044
6045         PR 11247
6046         * arm.cc (Arm_relobj::section_is_scannable): New method.
6047         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
6048         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
6049
6050 2010-02-04  Doug Kwan  <dougkwan@google.com>
6051
6052         PR 11247
6053         * arm-reloc-property.cc (cstdio): Include.
6054         * configure.ac (targetobjs): Remove duplicates.
6055         * configure: Regenerate.
6056         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
6057         big and little endian version for a given address size.
6058
6059 2010-02-03  Doug Kwan  <dougkwan@google.com>
6060
6061         * arm-reloc-property.cc
6062         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6063         definition.
6064         * arm-reloc-property.h
6065         (Arm_reloc_property_table::get_implemented_static_reloc_property):
6066         New method definition.
6067         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6068         declaration.
6069         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
6070         overflow to N.
6071         (GOT_PREL): Change implemented to Y.
6072         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
6073         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
6074         (Arm_relocate_functions::movw_abs_nc): Remove method.
6075         (Arm_relocate_functions::movt_abs): Ditto.
6076         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
6077         (Arm_relocate_functions::thm_movt_abs): Ditto.
6078         (Arm_relocate_functions::movw_rel_nc): Ditto.
6079         (Arm_relocate_functions::movw_rel): Ditto.
6080         (Arm_relocate_functions::movt_rel): Ditto.
6081         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
6082         (Arm_relocate_functions:thm_movw_rel): Ditto.
6083         (Arm_relocate_functions:thm_movt_rel): Ditto.
6084         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
6085         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
6086         New method definitions.
6087         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
6088         (Arm_relocation_functions::arm_grp_ldr): Ditto.
6089         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
6090         (Arm_relocation_functions::arm_grp_ldc): Ditto.
6091         (Target_arm::Relocate::relocate): Check for non-static or
6092         unimplemented relocation code and exit early.  Change calls to
6093         Target_arm::reloc_uses_thumb_bit and
6094         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
6095         instead.  Refactor code to handle similar relocations to increase
6096         code sharing.  Remove check for unsupported relocation code in switch
6097         statement.
6098         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
6099         relocation property table to find out size.  Change error message to
6100         print out the name of a relocation code instead of the numeric value.
6101         (Target_arm::scan_reloc_for_stub): Use relocation property table
6102         instead of calling Target_arm::reloc_uses_thumb_bit().
6103
6104 2010-02-02  Doug Kwan  <dougkwan@google.com>
6105
6106         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
6107         types of relaxed input section.
6108
6109 2010-02-02  Doug Kwan  <dougkwan@google.com>
6110
6111         * Makefile.am (HFILES): Add arm-reloc-property.h.
6112         (DEFFILES): New.
6113         (TARGETSOURCES): Add arm-reloc-property.cc
6114         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
6115         (libgold_a_SOURCES): $(DEFFILES)
6116         * Makefile.in: Regenerate.
6117         * arm-reloc-property.cc: New file.
6118         * arm-reloc-property.h: New file.
6119         * arm-reloc.def: New file.
6120         * arm.cc: Update comments.
6121         (arm-reloc-property.h): New included header.
6122         (arm_reloc_property_table): New global variable.
6123         (Target_arm::do_select_as_default_target): New method definition.
6124         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
6125         arm-reloc-property to targ_extra_obj.
6126         * parameters.cc (set_parameters_target): Call
6127         Target::select_as_default_target().
6128         * target.h (Target::select_as_default_target): New method definition.
6129         (Target::do_select_as_default_target): Same.
6130
6131 2010-02-01  Doug Kwan  <dougkwan@google.com>
6132
6133         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
6134         first_output_text_section_.
6135         (Arm_exidx_fixup::first_output_text_section): New method definition.
6136         (Arm_exidx_fixup::first_output_text_section_): New data member.
6137         (Arm_exidx_fixup::process_exidx_section): Record the first text
6138         output section seen.
6139         (Arm_output_section::fix_exidx_coverage): Set correct linked section
6140         and entsize in output section header.
6141
6142 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6143
6144         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
6145         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
6146         (Arm_relocate_functions::thm_alu11): New Method.
6147         (Arm_relocate_functions::thm_pc8): New Method.
6148         (Arm_relocate_functions::thm_pc12): New Method.
6149         (Target_arm::Scan::local): Handle the relocations.
6150         (Target_arm::Scan::global): Likewise.
6151         (Target_arm::Relocate::relocate): Likewise.
6152         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6153
6154 2010-01-29  Doug Kwan  <dougkwan@google.com>
6155
6156         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
6157         of relocation types as ld.
6158
6159 2010-01-29  Doug Kwan  <dougkwan@google.com>
6160
6161         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6162         to public.
6163         (Arm_relocate_functions::thumb_branch_common): Ditto.
6164         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6165         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6166         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6167         Arm_relocate_functions::jump24): Remove.
6168         (Target_arm::Relocate::relocate): Adjust code to call
6169         Arm_relocation_functions::arm_branch_common and
6170         Arm_relocation_functions::thumb_branch_common instead of their removed
6171         wrappers.  Merge switch-cases together to reduce source code size.
6172
6173 2010-01-29  Doug Kwan  <dougkwan@google.com>
6174
6175         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6176         output_local_symbol_count_needs_update_.
6177         (Arm_relobj::output_local_symbol_count_needs_update,
6178          Arm_relobj::set_output_local_symbol_count_needs_update,
6179          Arm_relobj::update_output_local_symbol_count): New methods.
6180         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6181         member.
6182         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6183         of pointed function as in a R_ARM_PREL31 relocation.
6184         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6185         for output local symbol count updating.
6186         (Target_arm::do_relax): Update output local symbol counts in objects
6187         if necessary.
6188         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6189
6190 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6191
6192         * arm.cc: Added support for the ARM relocations:
6193         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6194         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6195         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6196         movw_prel_nc).
6197         (Arm_relocate_functions::movw_rel): New method.
6198         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6199         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6200         thm_movw_prel_nc).
6201         (Arm_relocate_functions::thm_movw_rel): New method.
6202         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6203         thm_movt_prel).
6204         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6205         relocations.
6206         (Target_arm::Scan::global): Likewise.
6207         (Target_arm::Relocate::relocate): Likewise.
6208         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6209         Likewise.
6210
6211 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6212
6213         * arm.cc: Added support for ARM group relocations.
6214         (Target_arm::reloc_needs_sym_origin): New method.
6215         (Arm_relocate_functions::calc_grp_kn): New method.
6216         (Arm_relocate_functions::calc_grp_residual): New method.
6217         (Arm_relocate_functions::calc_grp_gn): New method.
6218         (Arm_relocate_functions::arm_grp_alu): New Method.
6219         (Arm_relocate_functions::arm_grp_ldr): New Method.
6220         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6221         (Arm_relocate_functions::arm_grp_ldc): New Method.
6222         (Target_arm::Scan::local): Handle the ARM group relocations.
6223         (Target_arm::Scan::global): Likewise.
6224         (Target_arm::Relocate::relocate): Likewise.
6225         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6226         Likewise.
6227
6228 2010-01-26  Doug Kwan  <dougkwan@google.com>
6229
6230         * arm.cc (set): Include.
6231         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6232         pointer type.
6233         (Arm_output_section::Text_section_list): New type.
6234         (Arm_output_section::append_text_sections_to_list): New method.
6235         (Arm_output_section::fix_exidx_coverage): Ditto.
6236         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6237         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6238         Relobj::set_section_offset() instead of
6239         Sized_relobj::invalidate_section_offset().
6240         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6241         parameter for section headers. Ignore relocation sections for
6242         unallocated sections and EXIDX sections.
6243         (Target_arm::fix_exidx_coverage): New method.
6244         (Target_arm::output_section_address_less_than): New type.
6245         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6246         linked text section instead of the EXIDX section.
6247         (Arm_output_section::create_stub_group): Add an assertion to check
6248         that this is not an EXIDX output section.
6249         (Arm_output_section::append_text_sections_to_list): New method.
6250         (Arm_output_section::fix_exidx_coverage): Ditto.
6251         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6252         Arm_relobj::section_needs_reloc_stub_scanning.
6253         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6254         first pass.
6255         (Target_arm::fix_exidx_coverage): New method.
6256         * object.h (Relobj::set_output_section): New method.
6257         (Sized_relobj::invalidate_section_offset): Remove method.
6258         (Sized_relobj::do_invalidate_section_offset): Remove method.
6259         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6260
6261 2010-01-25  Doug Kwan  <dougkwan@google.com>
6262
6263         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6264         Fix warning due to signed and unsigned comparison on a 32-bit host.
6265
6266 2010-01-22  Doug Kwan  <dougkwan@google.com>
6267
6268         * arm.cc (Target_arm::do_relax): Record an output section for section
6269         offset adjustment it contains any stub table that has changed.
6270         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6271         offsets in an output section if necessary.
6272         * output.cc (Output_section::Output_section): Initialize
6273         section_offsets_need_adjustments_.
6274         (Output_section::add_input_section_for_script): Renamed to
6275         Output_section::add_simple_input_section.
6276         (Output_section::save_states): Add a comment.
6277         (Output_section::discard_states): New method defintion.
6278         (Output_section::adjust_section_offsets): Same.
6279         * output.h (Output_section::add_input_section_for_script): Renamed to
6280         Output_section::add_simple_input_section.
6281         (Output_section::discard_states): New method declaration.
6282         (Output_section::adjust_section_offsets): Same.
6283         (Output_section::section_offsets_need_adjustment,
6284         Output_section::set_section_offsets_need_adjustment): New method
6285         definitions.
6286         (Output_section::section_offsets_need_adjustment_): New data member.
6287         * script-sections.cc
6288         (Output_section_element_input::set_section_address): Adjust code for
6289         renaming of Output_section::add_input_section_for_script.
6290         (Orphan_output_section::set_section_address): Same.
6291
6292 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6293
6294         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6295         Fix_v4bx enum values .
6296         * gold/options.h (General_options): New option definitions.
6297         (General_options::fix_v4bx): New method.
6298         (General_options::Fix_v4bx): New enum.
6299         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6300         (General_options::parse_fix_v4bx_interworking): New method.
6301
6302 2010-01-22  Doug Kwan  <dougkwan@google.com>
6303
6304         * arm.cc (Arm_exidx_fixup): New class.
6305
6306 2010-01-21  Doug Kwan  <dougkwan@google.com>
6307
6308         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6309         classes.
6310         (Arm_exidx_section_offset_map): New type.
6311
6312 2010-01-21  Doug Kwan  <dougkwan@google.com>
6313
6314         * arm.cc (Arm_exidx_input_section): New class.
6315         (Arm_relobj::exidx_input_section_by_link,
6316         Arm_relobj::exidx_input_section_by_shndx,
6317         Arm_relobj::make_exidx_input_section): New methods.
6318         (read_arm_attributes_section): Remove.
6319         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6320         information about them.
6321         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6322         to here.
6323
6324 2010-01-20  Doug Kwan  <dougkwan@google.com>
6325
6326         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6327         Input_section_specifier to Section_id.
6328         (Target_arm::new_arm_input_section: Adjust code for change of key
6329         type.
6330         (Target_arm::find_arm_input_section): Ditto.
6331         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6332         (Section_id): Remove.
6333         (Garbage_collection::Section_id_hash): Remove.
6334         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6335         (Section_id): Remove.
6336         (Icf::Section_id_hash): Remove.
6337         * object.h (Section_id, Const_section_id, Section_id_hash,
6338         Const_section_id_hash): New type definitions.
6339         * output.cc (Output_section::add_relaxed_input_section): Change to
6340         use Const_section_id instead of Input_section_specifier as key type.
6341         (Output_section::add_merge_input_section): Ditto.
6342         (Output_section::build_relaxation_map): Change to use Section_id
6343         instead of Input_section_specifier as key type.
6344         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6345         Ditto.
6346         (Output_section::convert_input_sections_to_relaxed_sections): Change
6347         to use Const_section_id instead of Input_section_specifier as key type.
6348         (Output_section::find_merge_section): Ditto.
6349         (Output_section::find_relaxed_input_section): Ditto.
6350         * output.h (Input_section_specifier): Remove class.
6351         (Output_section::Output_section_data_by_input_section_map): Change
6352         key type to Const_section_id.
6353         (Output_section::Output_relaxed_input_section_by_input_section_map):
6354         Ditto.
6355         (Output_section::Relaxation_map): Change key type to Section_id.
6356
6357 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6358
6359         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6360         (class Arm_v4bx_stub): New class.
6361         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6362         (Stub_factory::make_arm_v4bx_stub): New method.
6363         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6364         (Stub_table::empty): Handle v4bx stubs.
6365         (Stub_table::add_arm_v4bx_stub): New method.
6366         (Stub_table::find_arm_v4bx_stub): New method.
6367         (Arm_relocate_functions::v4bx): New method.
6368         (Target_arm::fix_v4bx): New method.
6369         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6370         (Stub_table::relocate_stubs): Likewise.
6371         (Stub_table::do_write): Likewise.
6372         (Stub_table::update_data_size_and_addralign): Likewise.
6373         (Stub_table::finalize_stubs):  Likewise.
6374         (Target_arm::Scan::local): Likewise.
6375         (Target_arm::Scan::global): Likewise.
6376         (Target_arm::do_finalize_sections): Likewise.
6377         (Target_arm::Relocate::relocate): Likewise.
6378         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6379         Likewise.
6380         (Target_arm::scan_reloc_for_stub): Likewise.
6381         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6382
6383 2010-01-19  Ian Lance Taylor  <iant@google.com>
6384
6385         * output.cc (Output_section_headers::do_sized_write): Write large
6386         segment count to sh_info field.
6387         (Output_file_header::do_sized_write): For large segment count,
6388         write PN_XNUM to e_phnum field.
6389
6390 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6391
6392         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6393         (Arm_relocate_functions::thm_jump8): New function.
6394         (Arm_relocate_functions::thm_jump11): New function.
6395         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6396         R_ARM_THM_JUMP11.
6397         (Target_arm::Scan::global): Likewise.
6398         (Target_arm::Relocate::relocate): Likewise.
6399         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6400         Likewise.
6401
6402 2010-01-14  Doug Kwan  <dougkwan@google.com>
6403
6404         * arm.cc (map, utility): Include headers.
6405         (Target_arm::apply_cortex_a8_workaround): New method.
6406         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6407         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6408         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6409         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6410         the --[no-]fix-cortex-a8 command line options.
6411         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6412         (Target_arm::relocate_stub): Use addend in instruction template.
6413         * options.h (DEFINE_bool): Set the user-set flag.
6414         (General_options): Add --[no-]-fix-cortex options.
6415         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6416         : Update fast look-up map after conversion.
6417
6418 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6419
6420         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6421         in the first pass of do_layout.
6422
6423 2010-01-13  Doug Kwan  <dougkwan@google.com>
6424
6425         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6426         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6427         apparent compiler problem of not folding static constant integral
6428         data members of elfcpp::Elf_sizes<32>.
6429
6430 2010-01-13  Doug Kwan  <dougkwan@google.com>
6431
6432         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6433         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6434         Arm_relobj::scan_section_for_cortex_a8_erratum,
6435         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6436         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6437         sections to scan for relocation stubs into a new method
6438         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6439         relocation and Cortex-A8 stub scanning.
6440         (Target_arm::do_relax): Force stubs to be after stubbed sections
6441         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6442         the beginning of a new relaxation pass.  Update a comment.
6443         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6444
6445 2010-01-12  Ian Lance Taylor  <iant@google.com>
6446
6447         * target-reloc.h (visibility_error): New inline function.
6448         (relocate_section): Call visibility_error.
6449         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6450         (MOSTLYCLEANFILES): Likewise.
6451         (protected_4_pic.o, protected_3.err): New targets.
6452         * testsuite/protected_4.cc: New file.
6453
6454 2010-01-12  Doug Kwan  <dougkwan@google.com>
6455
6456         * arm.cc (Cortex_a8_reloc): New class.
6457         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6458         and cortex_a8_relocs_info_.
6459         (Target_arm::fix_cortex_a8): New method definition.
6460         (Target_arm::Cortex_a8_relocs_info): New type.
6461         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6462         New data member declarations.
6463         (Target_arm::scan_reloc_for_stub): Record information about
6464         relocations for THUMB branches that might be exempted from the
6465         Cortex-A8 workaround.
6466         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6467         at the beginning of a relaxation pass.
6468
6469 2010-01-12  Doug Kwan  <dougkwan@google.com>
6470
6471         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6472         (Arm_relobj::Mapping_symbol_position,
6473          Arm_reloj::Mapping_symbol_position_less,
6474          Arm_relobj::Mapping_symbols_info): New types.
6475         (Target_arm::is_mapping_symbol_name): New method definition.
6476         (Arm_relobj::do_count_local_symbols): Save information about mapping
6477         symbols.
6478
6479 2010-01-11  Doug Kwan  <dougkwan@google.com>
6480
6481         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6482         Arm_relocate_functions::thumb32_branch_upper,
6483         Arm_relocate_functions::thumb32_branch_lower,
6484         Arm_relocate_functions::thumb32_cond_branch_offset,
6485         Arm_relocate_functions::thumb32_cond_branch_upper,
6486         Arm_relocate_functions::thumb32_cond_branch_lower,
6487         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6488         branch offset encoding.
6489         (Arm_relocate_functions::thumb_branch_common): Use new branch
6490         offset encoding methods to avoid code duplication.
6491         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6492         (Stub_addend_reader::operator()): Use new branch encoding method
6493         to avoid code duplication.
6494
6495 2010-01-11  Doug Kwan  <dougkwan@google.com>
6496
6497         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6498         (Target_arm::do_finalize_sections): Define special EXIDX section
6499         symbols only if referenced.
6500         * gc.h (Garbage_collection::add_reference): New method.
6501         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6502         code duplication.
6503
6504 2010-01-11  Ian Lance Taylor  <iant@google.com>
6505
6506         * script.cc (Version_script_info::build_expression_list_lookup):
6507         Change complaing about duplicate wildcard match from error to
6508         warning.
6509
6510         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6511         of 2009-12-30.
6512         (Version_script_info::Version_script_info): Initialize globs_,
6513         default_version_, default_is_global_, and exact_.  Don't
6514         initialize globals_ or locals_.
6515         (Version_script_info::build_lookup_tables): Build local symbols
6516         first.
6517         (Version_script_info::unquote): New function.
6518         (Version_script_info::add_exact_match): New function.
6519         (Version_script_info::build_expression_list_lookup): Remove lookup
6520         parameter.  Add is_global parameter.  Change all callers.  Handle
6521         wildcard pattern specially.  Unquote pattern.  Call
6522         add_exact_match.
6523         (Version_script_info::get_name_to_match): New function.
6524         (Version_script_info::get_symbol_version): New function.
6525         (Version_script_info::get_symbol_version_helper): Remove.
6526         (Version_script_info::check_unmatched_names): Call unquote.
6527         * script.h (class Version_script_info): Change get_symbol_version
6528         to be non-inline and add is_global parameter; change all callers.
6529         Rewrite symbol_is_local.  Update declarations.  Define struct
6530         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6531         Remove globals_ and locals_ members.  Add exact_, globs_,
6532         default_version_, is_global_.
6533         (Version_script_info::Glob): Remove pattern, add expression and
6534         is_global.  Update constructor.  Change all callers.
6535         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6536         default version.
6537         (Versions::symbol_section_contents): If a symbol is undefined, or
6538         defined in a dynamic object, set the version index to
6539         VER_NDX_LOCAL.
6540         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6541         symbol_is_local.
6542         (Symbol_table::add_from_pluginobj): Likewise.
6543         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6544
6545 2010-01-11  Doug Kwan  <dougkwan@google.com>
6546
6547         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6548         (incremental_dump_LDADD): Add linking option for libintl.
6549         * Makefile.in: Regenerate.
6550
6551 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6552
6553         PR gold/11144
6554         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6555         instead of -Ds.
6556         * testsuite/Makefile.in: Regenerated.
6557
6558 2010-01-10  Doug Kwan  <dougkwan@google.com>
6559
6560         * options.h (DEFINE_var): Use parentheses around argument varname__
6561         in macro body to avoid any unintended subsequent substitutions.
6562
6563 2010-01-10  Ian Lance Taylor  <iant@google.com>
6564
6565         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6566         candidates before doing symbol resolution.
6567
6568         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6569         ODR candidates if only one is weak.
6570
6571 2010-01-08  Ian Lance Taylor  <iant@google.com>
6572
6573         * script.cc (Version_script_info::build_expression_list_lookup):
6574         Don't warn about ambiguous version, just record the ambiguity.
6575         (Version_script_info::get_symbol_version_helper): Give error if
6576         version is ambiguous.
6577
6578 2010-01-08  Doug Kwan  <dougkwan@google.com>
6579
6580         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6581           prev_data_size_ and prev_addralign_.  Remove initializer for
6582           deleted data member has_been_changed_.
6583           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6584           to determine if the table is empty.
6585           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6586           Remove.
6587           (Stub_table::add_reloc_stub): Define method in class definition
6588           instead of just declaring it there.
6589           (Stub_table::add_cortex_a8_stub): New method definition.
6590           (Stub_table::update_data_size_and_addralign): Ditto.
6591           (Stub_table::finalize_stubs): Ditto.
6592           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6593           (Stub_table::do_addralign_): Return address alignment in the
6594           (Stub_table::do_reset_address_and_file_offset): Define method in
6595           class definition instead of declaring it there.  Set current data
6596           size to be the data size of the previous pass.
6597           (Stub_table::set_final_data_size): Use current data size as the
6598           final data size.
6599           (Stub_table::relocate_stub): Change parameter type of stub from
6600           Reloc_stub pointer to Stub pointer.
6601           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6602           (Stub_table::Cortex_a8_stub_list): New typedef.
6603           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6604            Stub_table::prev_addralign_): New data member.
6605           (Arm_relobj::Arm_relobj): Initialize data member
6606           section_has_cortex_a8_workaround_.
6607           (Arm_relobj::section_has_cortex_a8_workaround,
6608            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6609            definitions.
6610           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6611           declarations.
6612           (Target_arm::relocate_stub): Change parameter type of stub from
6613           Reloc_stub pointer to Stub pointer.
6614           (Insn_template::size, Insn_template::alignment): Handle
6615           THUMB16_SPECIAL_TYPE.
6616           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6617            Stub_table::update_data_size_and_addralign,
6618            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6619           definitions.
6620           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6621           (Stub_table::do_write): Ditto.
6622           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6623
6624 2010-01-08  Ian Lance Taylor  <iant@google.com>
6625
6626         PR 11108
6627         * symtab.h (class Symbol): Remove fields is_target_special_ and
6628         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6629         (Symbol::is_defined_in_discarded_section): New function.
6630         (Symbol::set_is_defined_in_discarded_section): New function.
6631         (Symbol::has_plt_offset): Rewrite.
6632         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6633         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6634         Don't initialize is_target_special_ or has_plt_offset_.
6635         Initialize is_defined_in_discarded_section_.
6636         (Symbol_table::add_from_relobj): If appropriate, set
6637         is_defined_in_discarded_section.
6638         * resolve.cc (Symbol::override_base_with_special): Don't test
6639         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6640         * target-reloc.h (relocate_section): Do special handling for
6641         symbols defined in discarded sections for global symbols as well
6642         as local symbols.
6643
6644 2010-01-08  Ian Lance Taylor  <iant@google.com>
6645
6646         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6647         the SHT_SYMTAB case.
6648
6649 2010-01-08  Ian Lance Taylor  <iant@google.com>
6650
6651         * object.cc (Sized_relobj::do_layout): Don't get confused if
6652         layout_eh_frame returns NULL.
6653
6654 2010-01-08  Ian Lance Taylor  <iant@google.com>
6655
6656         PR 11084
6657         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6658         dynamic symbol table, use the normal symbol table.
6659         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6660         symbol table.
6661
6662 2010-01-08  Ian Lance Taylor  <iant@google.com>
6663
6664         PR 11072
6665         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6666         sections.
6667
6668 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6669
6670         * version.cc (print_version): Change to "Copyright 2010".
6671
6672 2010-01-08  Ian Lance Taylor  <iant@google.com>
6673
6674         PR 10287
6675         PR 11063
6676         * i386.cc (class Target_i386): Change return type of plt_section
6677         to be non-const.
6678         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6679         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6680         tls_desc_rel_ field.
6681         (Output_data_plt_i386::rel_tls_desc): New function.
6682         (Target_i386::rel_tls_desc_section): New function.
6683         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6684         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6685         R_386_TLS_DESC reloc in rel_tls_desc_section.
6686         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6687         Define struct Tlsdesc_info.
6688         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6689         (Target_x86_64::do_reloc_symbol_index): New function.
6690         (Target_x86_64::add_tlsdesc_info): New function.
6691         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6692         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6693         tlsdesc_rel_ field.
6694         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6695         all callers.
6696         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6697         (Target_x86_64::rela_tlsdesc_section): New function.
6698         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6699         handling.
6700         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6701         (Target_x86_64::do_reloc_addend): New function.
6702         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6703         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6704         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6705         (Output_reloc::type): New function.
6706         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6707         (Output_reloc::is_target_specific): New function.
6708         (Output_reloc::target_arg): New function.
6709         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6710         absolute relocs and target specific relocs.
6711         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6712         add_target_specific.
6713         (class Output_data_reloc) [SHT_RELA]: Likewise.
6714         * output.cc (Output_reloc::Output_reloc): Add four new versions
6715         for absolute relocs and target specific relocs.
6716         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6717         (Output_reloc::get_symbol_index): Likewise.
6718         (Output_reloc::local_section_offset): Check that local_sym_index_
6719         is not TARGET_CODE or 0.
6720         (Output_reloc::symbol_value): Likewise.
6721         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6722         reloc.
6723         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6724         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6725         functions.
6726         * layout.cc (add_target_dynamic_tags): Use output section for
6727         DT_PLTRELSZ and DT_JMPREL.
6728
6729 2010-01-07  Ian Lance Taylor  <iant@google.com>
6730
6731         PR 11061
6732         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6733         function.
6734         (class Output_data_reloc_generic): Define.
6735         (class Output_data_reloc_base): Change base class to
6736         Output_data_reloc_generic.  Change add() method to call
6737         bump_relative_reloc_count for a relative reloc.  Remove
6738         sort_relocs_ field.
6739         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6740         to sort_relocs().
6741         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6742         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6743         appropriate.
6744         * layout.h (class Layout): Update declaration.
6745
6746 2010-01-07  Ian Lance Taylor  <iant@google.com>
6747
6748         * output.h (class Output_data): Add const version of
6749         output_section and do_output_section.
6750         (class Output_section_data): Add const version of
6751         do_output_section.
6752         (class Output_section): Likewise.
6753         * layout.cc (Layout::add_target_dynamic_tags): New function.
6754         * layout.h (class Layout): Update declarations.
6755         * arm.cc (Target_arm::do_finalize_sections): Use
6756         add_target_dynamic_tags.
6757         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6758         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6759         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6760         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6761
6762 2010-01-07  Ian Lance Taylor  <iant@google.com>
6763
6764         PR 11042
6765         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6766         object as needed.
6767
6768 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6769             Ian Lance Taylor  <iant@google.com>
6770
6771         PR 11019
6772         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6773         Xindex::read_symtab_xindex.
6774
6775 2010-01-07  Doug Kwan  <dougkwan@google.com>
6776
6777         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6778         (Insn_template::thumb16_bcond_insn): New method declaration.
6779         (Insn_template): Fix spelling.
6780         (Stub::thumb16_special): New method declaration.
6781         (Stub::do_write): Define virtual method which was previously pure
6782         virtual.
6783         (Stub::do_thumb16_special): New method declaration.
6784         (Stub::do_fixed_endian_write): New template member.
6785         (Reloc_stub::do_write): Remove.
6786         (Reloc_stub::do_fixed_endian_write): Remove.
6787         (Cortex_a8_stub): New class definition.
6788         (Stub_factory::make_cortex_a8_stub): New method definition.
6789         (Stub_factory::Stub_factory): Add missing static storage class
6790         qualifier for elf32_arm_stub_a8_veneer_blx.
6791
6792 2010-01-07  Ian Lance Taylor  <iant@google.com>
6793
6794         PR 10980
6795         * options.h (class General_options): Add --warn-unresolved-symbols
6796         and --error-unresolved-symbols.
6797         * errors.cc (Errors::undefined_symbol): Implement
6798         --warn-unresolved-symbols.
6799
6800         * options.h (class General_options): Add -z text and -z textoff.
6801         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6802
6803 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6804
6805         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6806         (Garbage_collection::cident_sections): New function.
6807         (Garbage_collection::add_cident_section): New function.
6808         (Garbage_collection::cident_sections_): New member.
6809         (gc_process_relocs): Add references to sections whose names are C
6810         identifiers.
6811         * gold.h (cident_section_start_prefix): New constant.
6812         (cident_section_stop_prefix): New constant.
6813         (is_cident): New function.
6814         * layout.cc (Layout::define_section_symbols): Replace string constants
6815         with the newly defined constants.
6816         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6817         C identifiers.
6818         * testsuite/Makefile.am: Add gc_orphan_section_test.
6819         * testsuite/Makefile.in: Regenerate.
6820         * testsuite/gc_orphan_section_test.cc: New file.
6821         * testsuite/gc_orphan_section_test.sh: New file.
6822
6823 2010-01-06  Ian Lance Taylor  <iant@google.com>
6824
6825         PR 10980
6826         * options.h (class General_options): Add --warn-shared-textrel.
6827         * layout.cc (Layout::finish_dynamic_section): Implement
6828         --warn-shared-textrel.
6829
6830         PR 10980
6831         * options.h (class General_options): Add --warn-multiple-gp.
6832
6833 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6834
6835         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6836         $(THREADSLIB) and $(LIBDL).
6837         * Makefile.in: Rebuild.
6838
6839 2010-01-06  Ian Lance Taylor  <iant@google.com>
6840
6841         PR 10980
6842         * options.cc (General_options::parse_section_start): New function.
6843         (General_options::section_start): New function.
6844         (General_options::General_options): Initialize all members.
6845         * options.h: Include <map>
6846         (class General_options): Add --section-start.  Add section_starts_
6847         member.
6848         * layout.cc (Layout::attach_allocated_section_to_segment): If
6849         --section-start was used, set the address of the segment.  Remove
6850         local sort_sections.
6851         (Layout::relaxation_loop_body): If the address of the load segment
6852         has been set by --section-start, don't use it.
6853         * output.h (Output_segment::update_flags_for_output_section): New
6854         function.
6855         * output.cc (Output_segment::add_output_section): Call
6856         update_flags_for_output_section.
6857
6858 2010-01-05  Ian Lance Taylor  <iant@google.com>
6859
6860         PR 10980
6861         * options.h (class General_options): Add --undefined-version.
6862         * script.cc (struct Version_expression): Add was_matched_by_symbol
6863         field.
6864         (Version_script_info::matched_symbol): New function.
6865         (Version_script_info::get_symbol_version_helper): Call
6866         matched_symbol.
6867         (Version_script_info::check_unmatched_names): New function.
6868         * script.h (class Version_script_info): Update declarations.
6869         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6870
6871         * options.h (class General_options): Use DEFINE_bool_alias for
6872         allow_multiple_definition.
6873         * resolve.cc (Symbol_table::should_override): Don't test
6874         allow_multiple_definition.
6875
6876         PR 10980
6877         * options.h (class General_options): Add --cref.
6878         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6879         until after printing cref table.
6880         * cref.cc: Include "symtab.h".
6881         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6882         (Cref_table_compare::operator()): New function.
6883         (Cref_inputs::gather_cref): New function.
6884         (filecol): New static const.
6885         (Cref_inputs::print_cref): New function.
6886         (Cref::print_cref): New function.
6887         * cref.h: Include <cstdio>.
6888         (class Cref): Update declarations.
6889         * mapfile.h (Mapfile::file): New function.
6890         * object.h (class Object): Define Symbols.  Declare virtual
6891         do_get_global_symbols.
6892         (Object::get_global_symbols): New function.
6893         * object.cc (Input_objects::add_object): Pass object to cref_ if
6894         --cref.
6895         (Input_objects::archive_start): Likewise.
6896         (Input_objects::archive_stop): Likewise.
6897         (Input_objects::print_cref): New function.
6898         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6899         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6900         --cref.
6901         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6902         function.
6903         * plugin.h (class Sized_pluginobj): Update declarations.
6904
6905 2010-01-05  Ian Lance Taylor  <iant@google.com>
6906
6907         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6908         to is_default_version.  Rename insdef to insdefault.
6909         (Symbol_table::add_from_relobj): Rename def to is_default_version
6910         and local to is_forced_local.
6911         (Symbol_table::add_from_pluginobj): Likewise.
6912         (Symbol_table::add_from_dynobj): Likewise.
6913         (Symbol_table::define_special_symbol): Rename insdef to
6914         insdefault.
6915
6916 2010-01-04  Ian Lance Taylor  <iant@google.com>
6917
6918         PR 10980
6919         * options.h (class General_options): Add
6920         --allow-multiple-definition and -z muldefs.
6921         * resolve.cc (Symbol_table::should_override): Don't warn about a
6922         multiple symbol definition if --allow-multiple-definition or -z
6923         muldefs.
6924
6925         PR 10980
6926         * options.h (class General_options): Add --add-needed and
6927         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6928         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6929         error if --copy-dt-needed-entries aka --add-needed is used and
6930         would cause a change in behaviour.
6931
6932         PR 10980
6933         * options.h (class General_options): Add -G as a short version of
6934         --shared.  Add no-op options -assert, -g, and -i.
6935
6936 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6937
6938         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6939         check for .text or .gnu.linkonce.t sections.
6940         * icf.cc (Icf::find_identical_sections): Ditto.
6941         Change the detection for mangled function name within the section
6942         name.
6943         * icf.h (is_section_foldable_candidate): New function.
6944
6945 2009-12-30  Ian Lance Taylor  <iant@google.com>
6946
6947         PR 10980
6948         * options.h (class General_options): Permit two dashes with
6949         --retain-symbols-file.
6950
6951 2009-12-30  Ian Lance Taylor  <iant@google.com>
6952
6953         PR 10979
6954         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6955         don't put the file header and segment headers in the text
6956         segment.
6957
6958         PR 10979
6959         * common.cc (Sort_commons::operator()): Stabilize sort when both
6960         entries are NULL.
6961         (Symbol_table::do_allocate_commons_list): When allocating common
6962         symbols, skip a symbol which is no longer common.
6963         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6964         an object before checking its type.
6965         * testsuite/common_test_2.c: New file.
6966         * testsuite/common_test_3.c: New file.
6967         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6968         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6969         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6970         (common_test_2_pic.o, common_test_2.so): New targets.
6971         (common_test_3_pic.o, common_test_3.so): New targets.
6972         * testsuite/Makefile.in: Rebuild.
6973
6974         PR 10979
6975         * script.cc (read_input_script): If we see a new SECTIONS clause,
6976         and we have added an input section, give an error.
6977         * layout.h (class Layout): Add have_added_input_section function.
6978         Add have_added_input_section_ field.
6979         * layout.cc (Layout::Layout): Initialize
6980         have_added_input_section_.
6981         (Layout::layout): Set have_added_input_section_.
6982         (Layout::layout_eh_frame): Likewise.
6983
6984 2009-12-30  Ian Lance Taylor  <iant@google.com>
6985
6986         PR 10931
6987         * options.h (class General_options): Add --sort-common option.
6988         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6989         * common.cc (Sort_common): Add sort_order parameter to
6990         constructor.  Add sort_order_ field.
6991         (Sort_commons::operator): Check sort_order_.
6992         (Symbol_table::allocate_commons): Determine the sort order.
6993         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6994         Change all callers.
6995         (Symbol_table::do_allocate_commons_list): Likewise.
6996
6997 2009-12-30  Ian Lance Taylor  <iant@google.com>
6998
6999         PR 10916
7000         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
7001         symbols from this object, don't change the visibility of an
7002         undefined symbol.
7003         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
7004
7005 2009-12-30  Ian Lance Taylor  <iant@google.com>
7006
7007         PR 10861
7008         * script.h (class Version_script_info): Define Language enum.
7009         Update declarations.  Define Glob, Exact, and Lookup types.  Add
7010         new fields globals_, locals_, and is_finalized_.
7011         * script.cc: Various formatting fixes.
7012         (class Parser_closure): Change language_stack_ from a vector of
7013         std::string to one of Version_script_info::Language.  Adjust all
7014         uses accordingly.
7015         (class Lazy_demangler): Remove.
7016         (struct Version_expression): Change language from std::string to
7017         Version_script_info::Language.
7018         (Version_script_info::Version_script_info): New function.
7019         (Version_script_info::~Version_script_info): Don't call clear.
7020         (Version_script_info::finalize): New function.
7021         (Version_script_info::build_lookup_tables): New function.
7022         (Version_script_info::build_expression_list_lookup): New
7023         function.
7024         (Version_script_info::get_symbol_version_helper): Rewrite to use
7025         lookup tables.
7026         (Version_script_info::print_expression_list): Adjust to use
7027         Version_script_info::Language.
7028         (script_push_lex_into_version_mode): Check that the version script
7029         has not been finalized.
7030         (version_script_push_lang): Change language string to
7031         Version_script_info::Language.
7032         * options.cc (Command_line::version_script): New function.
7033         * options.h (class General_options): Add finalize_dynamic_list
7034         function.  Change version_script from declaration to definition.
7035         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
7036         * testsuite/version_script.map: Remove duplicate def of foo.
7037         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
7038         version_script.map.
7039         * testsuite/Makefile.in: Rebuild.
7040
7041 2009-12-30  Ian Lance Taylor  <iant@google.com>
7042
7043         PR 10843
7044         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
7045         if the input symbol index is 0, make the output symbol index 0.
7046
7047 2009-12-30  Ian Lance Taylor  <iant@google.com>
7048
7049         PR 10670
7050         * options.h (class General_options): Add -x/--discard-all.
7051         * object.cc (Sized_relobj::do_count_local_symbols): Handle
7052         --discard-all.  If the local symbol needs a dynamic entry, check
7053         that before handling --discard-locals.
7054
7055 2009-12-30  Ian Lance Taylor  <iant@google.com>
7056
7057         PR 10450
7058         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
7059         flags to PF_R.
7060         (Output_segment::add_output_section): Don't change the flags if
7061         the type is PT_TLS.
7062
7063         PR 10450
7064         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
7065         GNU hash table if they need a dynamic value.  Otherwise, don't add
7066         them if they are defined in a dynamic object or are forced local.
7067
7068 2009-12-29  Ian Lance Taylor  <iant@google.com>
7069
7070         PR 10450
7071         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
7072         .gnu.hash table for a 32-bit target.
7073
7074         PR 10450
7075         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
7076         regular and a dynamic object only needs a dynamic symbol table
7077         entry if it is externally visible.
7078
7079         PR 10450
7080         * i386.cc (class Target_i386): Initialize global_offset_table_ in
7081         constructor.  Add global_offset_table_ field.
7082         (Target_i386::got_section): Set global_offset_table_.
7083         (Target_i386::do_finalize_sections): Set global_offset_table_
7084         size.
7085         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
7086         in constructor.  Add global_offset_table_ field.
7087         (Target_x86_64::got_section): Set global_offset_table_.
7088         (Target_x86_64::do_finalize_sections): Set global_offset_table_
7089         size.
7090
7091         * layout.cc (Layout::Layout): Initialize increase_relro_.
7092         (Layout::get_output_section): Add is_relro, is_last_relro, and
7093         is_first_non_relro parameters.  Change all callers.
7094         (Layout::choose_output_section): Likewise.
7095         (Layout::add_output_section_data): Likewise.
7096         (Layout::make_output_section): Likewise.
7097         (Layout::set_segment_offsets): Clear increase_relro when using a
7098         linker script.
7099         * layout.h (class Layout): Add increase_relro method.  Add
7100         increase_relro_ field.  Update declarations.
7101         * output.cc (Output_section::Output_section): Initialize
7102         is_last_relro_ and is_first_non_relro_.
7103         (Output_segment::add_output_section): Group relro sections is
7104         do_sort is true.  Handle is_last_relro and is_first_non_relro.
7105         (Output_segment::maximum_alignment): Remove relro handling.
7106         (Output_segment::set_section_addresses): Add increase_relro
7107         parameter.  Change all callers.  Add initial alignment to align
7108         relro sections on separate page.  Remove old relro handling.
7109         (Output_segment::set_section_list_addresses): Remove in_relro
7110         parameter.  Change all callers.
7111         (Output_segment::set_offset): Add increase parameter.  Change all
7112         callers.  Remove old relro handling.
7113         * output.h (class Output_section): Add new methods: is_last_relro,
7114         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
7115         Add is_last_relro_ and is_first_non_relro_ fields.
7116         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
7117         Create separate .got.plt section.  Call increase_relro.
7118         * x86_64.cc (Target_x86_64::got_section): Likewise.
7119         * testsuite/relro_script_test.t: Add .got.plt.
7120
7121         PR 10450
7122         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
7123         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
7124         (Layout::finalize): Call set_dynamic_symbol_size.
7125         (Layout::set_dynamic_symbol_size): New function.
7126         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
7127         set_dynamic_symbol_size.
7128
7129         PR 10450
7130         * output.h (class Output_section): Add is_entsize_zero_ field.
7131         * output.cc (Output_section::Output_section): Initialize
7132         is_entsize_zero_.
7133         (Output_section::set_entsize): If two different entsizes are
7134         requested, force it to zero.
7135         (Output_section::add_input_section): Set flags for .debug_str
7136         before updating section flags.  Set entsize.
7137         (Output_section::update_flags_for_input_section): Set SHF_MERGE
7138         and SHF_STRING if all input sections have those flags.
7139
7140 2009-12-29   Rafael Espindola  <espindola@google.com>
7141
7142         * main.cc (main): Fix the sys time reporting.
7143         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
7144         reporting.
7145
7146 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
7147
7148         * options.cc (General_options::parse_version): Allow -v to exit
7149         without an error if there is nothing to link.
7150
7151 2009-12-29  Ian Lance Taylor  <iant@google.com>
7152
7153         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
7154         using a version of gcc before 4.1.
7155         * configure: Rebuild.
7156
7157 2009-12-28  Chris Demetriou  <cgd@google.com>
7158
7159         * attributes.cc (Output_attributes_section_data::do_write): Use
7160         std::vector::front rather than std::vector::data.
7161
7162 2009-12-28  Ian Lance Taylor  <iant@google.com>
7163
7164         * symtab.h (class Symbol_table): Add enum Defined.
7165         * resolve.cc (Symbol_table::should_override): Add defined
7166         parameter.  Change all callers.  Test whether object is NULL
7167         before calling a method on it.
7168         (Symbol_table::report_resolve_problem): Add defined parameter.
7169         Change all callers.
7170         (Symbol_table::should_override_with_special): Likewise.
7171         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7172         parameter.  Change all callers.
7173         (Symbol_table::do_define_in_output_data): Likewise.
7174         (Symbol_table::define_in_output_segment): Likewise.
7175         (Symbol_table::do_define_in_output_segment): Likewise.
7176         (Symbol_table::define_as_constant): Likewise.
7177         (Symbol_table::do_define_as_constant): Likewise.
7178         * script.h (class Symbol_assignment): Add is_defsym parameter to
7179         constructor; change all callers.
7180         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7181         parameter.  Change all callers.  Add is_defsym_ field.
7182         (class Parser_closure): Add parsing_defsym parameter to
7183         constructor; change all callers.  Add parsing_defsym accessor
7184         function.  Add parsing_defsym_ field.
7185
7186 2009-12-28  Ian Lance Taylor  <iant@google.com>
7187
7188         * gold.cc (queue_middle_tasks): Fix formatting.
7189         * object.cc (Relobj::is_section_name_included): Likewise.
7190
7191 2009-12-23  Ian Lance Taylor  <iant@google.com>
7192
7193         * i386.cc (Target_i386::do_calls_non_split): Recognize
7194         -fsplit-stack prologue for a function with a static chain.
7195         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7196         -fsplit-stack prologue when using %r11.
7197
7198 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7199
7200         * options.cc (General_options::parse_version): Make -v continue and do
7201         the link like GNU ld does.
7202
7203 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7204
7205         * Makefile.am (CCFILES): Add timer.cc.
7206         (HFILES): Add timer.h.
7207         * configure.ac: Check for sysconf and times.
7208         * main.cc: include timer.h.
7209         (main): Use Timer instead of get_run_time.
7210         * timer.cc: New.
7211         * timer.h: New.
7212         * workqueue.cc: include timer.h.
7213         (Workqueue::find_and_run_task):
7214         Report user, sys and wall time.
7215         * Makefile.in: Regenerate.
7216         * config.in: Regenerate.
7217         * configure: Regenerate.
7218
7219 2009-12-16  Doug Kwan  <dougkwan@google.com>
7220
7221         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7222         sections.
7223         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7224         relaxed input sections.
7225         * output.cc (Output_section::find_relaxed_input_section): Change
7226         return type to Output_relaxed_input_section pointer.  Adjust code
7227         for new type of relaxed_input_section_map_.
7228         * output.h (Output_section::find_relaxed_input_section): Change
7229         return type to Output_relaxed_input_section pointer.
7230         (Output_section::Output_relaxed_input_section_by_input_section_map):
7231         New type.
7232         (Output_section::relaxed_input_section_map_): Change type to
7233         Output_section::Output_relaxed_input_section_by_input_section_map.
7234         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7235         input section.
7236
7237 2009-12-15  Ian Lance Taylor  <iant@google.com>
7238
7239         * layout.cc (Layout::create_shstrtab): Only write out after input
7240         sections if we are compressing debug sections.
7241
7242 2009-12-15  Ian Lance Taylor  <iant@google.com>
7243
7244         * archive.cc (Archive::add_symbols): Only look up a symbol without
7245         a version if there is, in fact, a version.
7246
7247 2009-12-14  Ian Lance Taylor  <iant@google.com>
7248
7249         Revert -Wshadow changes, all changes from:
7250         2009-12-11  Doug Kwan  <dougkwan@google.com>
7251         2009-12-11  Nick Clifton  <nickc@redhat.com>
7252         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7253
7254 2009-12-11  Doug Kwan  <dougkwan@google.com>
7255
7256         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7257         due to -Wshadow.
7258         * attributes.cc (Object_attribute::size): Ditto.
7259         (Attributes_section_data::size): Ditto.
7260         (Attributes_section_data::Attributes_section_data): Ditto.
7261         (Output_attributes_section_data::do_write): Ditto.
7262         * attributes.h (Object_attribute::set_type): Ditto.
7263         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7264
7265 2009-12-11  Nick Clifton  <nickc@redhat.com>
7266
7267         * archive.cc: Fix shadowed variable warnings.
7268         * arm.cc: Likewise.
7269         * compressed_output.cc: Likewise.
7270         * compressed_output.h: Likewise.
7271         * configure: Likewise.
7272         * dwarf_reader.cc: Likewise.
7273         * dynobj.cc: Likewise.
7274         * dynobj.h: Likewise.
7275         * ehframe.cc: Likewise.
7276         * ehframe.h: Likewise.
7277         * errors.cc: Likewise.
7278         * expression.cc: Likewise.
7279         * fileread.cc: Likewise.
7280         * fileread.h: Likewise.
7281         * freebsd.h: Likewise.
7282         * i386.cc: Likewise.
7283         * icf.cc: Likewise.
7284         * incremental.h: Likewise.
7285         * layout.cc: Likewise.
7286         * layout.h: Likewise.
7287         * mapfile.cc: Likewise.
7288         * merge.cc: Likewise.
7289         * merge.h: Likewise.
7290         * object.cc: Likewise.
7291         * object.h: Likewise.
7292         * options.h: Likewise.
7293         * output.cc: Likewise.
7294         * output.h: Likewise.
7295         * parameters.cc: Likewise.
7296         * plugin.cc: Likewise.
7297         * powerpc.cc: Likewise.
7298         * reduced_debug_output.cc: Likewise.
7299         * reduced_debug_output.h: Likewise.
7300         * reloc.cc: Likewise.
7301         * reloc.h: Likewise.
7302         * resolve.cc: Likewise.
7303         * script-sections.cc: Likewise.
7304         * script.cc: Likewise.
7305         * script.h: Likewise.
7306         * sparc.cc: Likewise.
7307         * symtab.cc: Likewise.
7308         * symtab.h: Likewise.
7309         * target-select.cc: Likewise.
7310         * target-select.h: Likewise.
7311         * token.h: Likewise.
7312         * workqueue.cc: Likewise.
7313         * workqueue.h: Likewise.
7314         * x86_64.cc: Likewise.
7315
7316 2009-12-10  Doug Kwan  <dougkwan@google.com>
7317
7318         * arm.cc (attributes.h): New include.
7319         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7320         (Arm_relobj::~Arm_relobj): Delete object pointed by
7321         attributes_section_data_.
7322         (Arm_relobj::attributes_section_data): New method definition.
7323         (Arm_relobj::attributes_section_data_): New data member declaration.
7324         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7325         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7326         attributes_section_data_.
7327         (Arm_dynobj::attributes_section_data): New method definition.
7328         (Arm_dynobj::attributes_section_data_): New data member declaration.
7329         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7330         initialization value of may_use_blx_ to false.
7331         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7332         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7333         object attributes to compute results instead of hard-coding.
7334         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7335         Target_arm::get_secondary_compatible_arch,
7336         Target_arm::set_secondary_compatible_arch
7337         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7338         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7339         New method declarations.
7340         (Target_arm::get_aeabi_object_attribute): New method definition.
7341         (Target_arm::attributes_section_data_): New data member declaration.
7342         (read_arm_attributes_section): New template definition.
7343         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7344         (Arm_dynobj::do_read_symbols): Ditto.
7345         (Target_arm::do_finalize_sections): Merge attributes sections from
7346         input.  Check for BLX use after attributes section merging.
7347         Fix __exidx_start and __exidx_end visibility.  Create an
7348         .ARM.attributes section if necessary.
7349         (Target_arm::get_secondary_compatible_arch,
7350         Target_arm::set_secondary_compatible_arch,
7351         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7352         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7353         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7354         New method definitions.
7355
7356 2009-12-09  Ian Lance Taylor  <iant@google.com>
7357
7358         * plugin.cc (Plugin::load): Don't cast from void* to a function
7359         pointer.
7360
7361 2009-12-09  Ian Lance Taylor  <iant@google.com>
7362
7363         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7364         information fields.
7365
7366 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7367
7368         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7369         Replace two_file_shared_1.so with two_file_shared_2.so.
7370         * testsuite/Makefile.in: Regenerated.
7371
7372 2009-12-08  Doug Kwan  <dougkwan@google.com>
7373
7374         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7375         (HFILES): Add attributes.h and int_encoding.h.
7376         * Makefile.in: Regenerate.
7377         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7378         function definitions to int_encoding.cc
7379         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7380         prototypes to int_encoding.h
7381         * reduced_debug_output.cc (int_encoding.h): New include.
7382         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7383         function definitions to int_encoding.cc
7384         (insert_into_vector, read_from_pointer): Move template definitions to
7385         int_encoding.h
7386         * attributes.cc: New file.
7387         * attributes.h: New file.
7388         * int_encoding.cc: New file.
7389         * int_encoding.h: New file.
7390
7391 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7392
7393         PR gold/11055
7394         * incremental-dump.cc (dump_incremental_inputs): New.
7395         (main): Use dump_incremental_inputs.
7396
7397 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7398
7399         PR gold/10893
7400         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7401         checking elfcpp::STT_FUNC.
7402         (Target_i386::Relocate::relocate): Likewise.
7403         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7404
7405         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7406         symbols from shared libraries into normal FUNC symbols.
7407
7408         * symtab.h (Symbol): Add is_func and use it.
7409
7410 2009-12-05  Doug Kwan  <dougkwan@google.com>
7411
7412         * arm.cc (Target_arm::arm_info): Initialize new fields
7413         attributes_section and attributes_vendor.
7414         * i386.cc (Target_i386::i386_info): Same.
7415         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7416         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7417         fields attributes_section and attributes_vendor.
7418         * sparc.cc (Target_sparc::sparc_info): Same.
7419         * target.h (Target::attributes_section, Target::attributes_vendor,
7420         Target::is_attributes_section, Target::attribute_arg_type,
7421         Target::attributes_order): New method definitions.
7422         (Target::Target_info::attributes_section,
7423         Target::Target_info::attributes_vendor): New fields.
7424         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7425         virtual method definitions.
7426         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7427         attributes_section and attributes_vendor.
7428         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7429
7430 2009-12-05  Doug Kwan  <dougkwan@google.com>
7431
7432         * arm.cc: Update comments about interworking and stub generation.
7433         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7434         considered as non-PIC.
7435         (Arm_relocate_functions::base_abs): Fix formatting.
7436         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7437         of function to use GOT entry address instead of offset.
7438         (Target_arm::Scan::global): Issue an error if a symbol would need a
7439         PLT does not get one because it is untyped.  Remove code to create
7440         dynamic symbols for relative branches.
7441         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7442         takes unsigned integer instead of boolean.
7443
7444 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7445
7446         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7447         (two_file_test_LDADD): Likewise.
7448         (common_test_1_LDADD): Likewise.
7449         (exception_test_LDADD) Likewise.
7450         (weak_test_LDADD): Likewise.
7451         (many_sections_test_LDADD): Likewise.
7452         (initpri1_LDADD): Likewise.
7453         (script_test_1_LDADD): Likewise.
7454         (script_test_2_LDADD): Likewise.
7455         (justsyms_LDADD): Likewise.
7456         (binary_test_LDADD): Likewise.
7457         (large_LDADD): Likewise.
7458         * testsuite/Makefile.in: Regenerated.
7459
7460 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7461
7462         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7463         (Symbol_table::override_with_special): Likewise.
7464         (Symbol_table::add_from_object): Likewise.
7465
7466 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7467
7468         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7469         Don't set the data_offset twice.
7470
7471 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7472
7473         * testsuite/Makefile.in: Regenerate.
7474
7475 2009-12-03  Doug Kwan  <dougkwan@google.com>
7476
7477         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7478         (Target_arm::do_finalize_sections): Add parameter for symbol table
7479         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7480         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7481         parameter for symbol table pointer.
7482         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7483         an additional parameter for a pointer to symbol table.
7484         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7485         parameter for a symbol table pointer.
7486         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7487         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7488         Ditto.
7489         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7490         parameter for a symbol table pointer.
7491
7492 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7493
7494         * incremental.cc (Incremental_inputs_header)
7495         (Incremental_inputs_header_write, Incremental_inputs_entry)
7496         (Incremental_inputs_entry_write): Move ...
7497         * incremental.h (Incremental_inputs_header)
7498         (Incremental_inputs_header_write, Incremental_inputs_entry)
7499         (Incremental_inputs_entry_write): here.
7500
7501 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7502
7503         * incremental.cc (make_sized_incremental_binary): Set the target.
7504         Error if it is incompatible.
7505         * output.h (Output_file): Add filename method.
7506
7507 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7508
7509         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7510         from the get_* methods.
7511
7512 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7513
7514         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7515         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7516         Write 0 for the data_offset of scripts.
7517
7518 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7519
7520         * testsuite/Makefile.am: Add the incremental_test.sh test.
7521         * testsuite/incremental_test.sh: New.
7522         * testsuite/incremental_test_1.c: New.
7523         * testsuite/incremental_test_2.c: New.
7524
7525 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7526
7527        * incremental-dump.cc (main): Fix typos.
7528
7529 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7530
7531         PR gold/11025
7532         * incremental-dump.cc (main): Use llu to print 64 bit values.
7533
7534 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7535             H.J. Lu  <hongjiu.lu@intel.com>
7536
7537         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7538         $(LIBDL).
7539         (incremental_dump_LDADD): Likewise.
7540         * Makefile.in: Regenerated.
7541
7542 2009-11-25  Doug Kwan  <dougkwan@google.com>
7543
7544         Revert:
7545
7546         2009-11-25  Doug Kwan  <dougkwan@google.com>
7547
7548                 * arm.cc (Target_arm::Target_arm): Move method definition
7549                 outside of class definition.  Add code to handle
7550                 --target1-rel, --target1-abs and --target2= options.
7551                 (Target_arm::get_reloc_reloc_type): Change method to be
7552                 non-static and const.
7553                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7554                 New data member declaration.
7555                 (Target_arm::Scan::local, Target_arm::Scan::global,
7556                 Target_arm::Relocate::relocate,
7557                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7558                 Adjust call to Target_arm::get_real_reloc_type.
7559                 (Target_arm::get_real_reloc_type): Use command line options
7560                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7561                 * options.h (--target1-rel, --target1-abs, --target2): New
7562                 ARM-only options.
7563
7564 2009-11-25  Doug Kwan  <dougkwan@google.com>
7565
7566         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7567         class definition.  Add code to handle --target1-rel, --target1-abs
7568         and --target2= options.
7569         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7570         and const.
7571         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7572         member declaration.
7573         (Target_arm::Scan::local, Target_arm::Scan::global,
7574         Target_arm::Relocate::relocate,
7575         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7576         call to Target_arm::get_real_reloc_type.
7577         (Target_arm::get_real_reloc_type): Use command line options to
7578         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7579         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7580         options.
7581
7582 2009-11-25  Doug Kwan  <dougkwan@google.com>
7583
7584         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7585         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7586         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7587         formatting.
7588         (Arm_relocate_functions::thm_call): Replace body with a call to
7589         Arm_relocate_functions::thumb_branch_common.
7590         (Arm_relocate_functions::thm_jump24,
7591         Arm_relocate_functions::thm_xpc22): New method definitions.
7592         (Arm_relocate_functions::thumb_branch_common): New method definition.
7593         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7594         operator.
7595         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7596         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7597
7598 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7599
7600         * Makefile.am: Build incremental-dump
7601         * Makefile.in: Regenerate.
7602         * incremental-dump.cc: New.
7603         * incremental.cc (Incremental_inputs_header_data,
7604         Incremental_inputs_entry_data): Move to incremental.h
7605         * incremental.h: (Incremental_inputs_header_data,
7606         Incremental_inputs_entry_data): Move from incremental.cc
7607
7608 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7609
7610         * incremental.cc (Incremental_inputs_header,
7611         Incremental_inputs_header_write, Incremental_inputs_entry,
7612         Incremental_inputs_entry_write): Add a typedef with the data type.
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): Update comment about which
7619         type has the filed descriptions.
7620
7621 2009-11-15  Doug Kwan  <dougkwan@google.com>
7622
7623         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7624         (Arm_relocate_functions::arm_branch_common): Change method defintion
7625         in class definition to a method declaration and update list of formal
7626         parameters.
7627         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7628         Arm_relocation_functions::jump24): Adjust call to
7629         Arm_relocate_functions::arm_branch_common.  Update list of formal
7630         parameters.
7631         (Arm_relocate_functions::xpc25): New method definition.
7632         (Arm_relocate_functions::arm_branch_common): Move method defintion
7633         out from class definition.  Use stubs for mode-switching and extending
7634         branch ranges.
7635         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7636         specially.  Change code to enable use of stubs in ARM branches.
7637
7638 2009-11-10  Doug Kwan  <dougkwan@google.com>
7639
7640         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7641         in method declaration.
7642         (Target_arm::relocate_stub): New method declaration.
7643         (Target_arm::default_target): Change to return a pointer instead of
7644         a const reference.
7645         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7646         Target_arm::default_target.
7647         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7648         method definition.
7649         (Target_arm::relocate_section): Adjust view.
7650         (Target_arm::relocate_stub): New method definition.
7651
7652 2009-11-10  Doug Kwan  <dougkwan@google.com>
7653
7654         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7655         a format warning.
7656         * incremental.cc (open_incremental_binary): Initialized local
7657         variables to avoid warnings.
7658         * object.cc (make_elf_object): Ditto.
7659         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7660         a format warning.
7661
7662 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7663
7664         PR gold/10930
7665         * testsuite/plugin_test.c: Include "config.h".
7666
7667 2009-11-09  Doug Kwan  <dougkwan@google.com>
7668
7669         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7670         (arm_symbol_value): Remove.
7671         (Arm_relocate_functions::arm_branch_common,
7672         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7673         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7674         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7675         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7676         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7677         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7678         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7679         Arm_relocate_functions::thm_mobw_abs_nc,
7680         Arm_relocate_functions::thm_mov_abs,
7681         Arm_relocate_functions::movw_prel_nc,
7682         Arm_relocate_functions::thm_movt_abs,
7683         Arm_relocate_functions::movt_prel,
7684         Arm_relocate_functions::thm_movw_prel_nc,
7685         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7686         (Target_arm::Relocate::relocate): Only decompose address into two
7687         parts if relocation type uses the thumb-bit and pass the actual
7688         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7689         calls to methods in Arm_relocate_functions for this change.
7690
7691 2009-11-08  Ian Lance Taylor  <iant@google.com>
7692
7693         PR 10925
7694         * reloc.cc: Instantiate
7695         Sized_relobj::initialize_input_to_output_maps and
7696         Sized_relobj:free_input_to_output_maps.
7697
7698 2009-11-06  Ian Lance Taylor  <iant@google.com>
7699
7700         PR 10876
7701         * defstd.cc (in_segment): Set only_if_ref true for "end".
7702
7703 2009-11-06  Doug Kwan  <dougkwan@google.com>
7704
7705         * arm.cc (class Reloc_stub): Correct a comment.
7706         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7707         (Target_arm::scan_section_for_stubs): New method declaration.
7708         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7709         Change methods from private to protected.
7710         (Target_arm::do_may_relax): New method definition.
7711         (Target_arm::do_relax, Target_arm::group_sections,
7712         Target_arm::scan_reloc_for_stub,
7713         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7714         (Target_arm::arm_input_section_map_): New data member declaration.
7715         (Target_arm::scan_reloc_for_stub,
7716         Target_arm::scan_reloc_section_for_stubs,
7717         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7718         Target_arm::do_relax): New method definitions.
7719
7720 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7721
7722         * configure.ac: Check for (struct stat)::st_mtim
7723         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7724         * config.in: Regenerate.
7725         * configure: Regenerate.
7726
7727 2009-11-05  Ian Lance Taylor  <iant@google.com>
7728
7729         PR 10910
7730         * output.cc (Output_segment::add_output_section): Add missing
7731         return statement.
7732
7733 2009-11-04  Ian Lance Taylor  <iant@google.com>
7734
7735         PR 10880
7736         * object.h (class Object): Add is_needed and set_is_needed
7737         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7738         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7739         defined in a dynamic object and referenced by a regular object,
7740         set is_needed for the dynamic object.
7741         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7742         if the file is marked with as_needed and it is not needed.
7743
7744 2009-11-04  Ian Lance Taylor  <iant@google.com>
7745
7746         PR 10887
7747         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7748         tags if data is discarded by linker script.
7749         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7750         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7751         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7752         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7753
7754 2009-11-04  Ian Lance Taylor  <iant@google.com>
7755
7756         * layout.cc (Layout::get_output_section): Add is_interp and
7757         is_dynamic_linker_section parameters.  Change all callers.
7758         (Layout::choose_output_section): Likewise.
7759         (Layout::make_output_section): Likewise.
7760         (Layout::add_output_section_data): Add is_dynamic_linker_section
7761         parameter.  Change all callers.
7762         * layout.h (class Layout): Update declarations.
7763         * output.h (class Output_section): Add is_interp, set_is_interp,
7764         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7765         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7766         generate_code_fills_at_write_ to a bitfield.
7767         * output.cc (Output_section::Output_sections): Initialize new
7768         fields.
7769         (Output_segment::add_output_section): Add do_sort parameter.
7770         Change all callers.
7771
7772 2009-11-03  Ian Lance Taylor  <iant@google.com>
7773
7774         PR 10860
7775         * options.h (class General_options): Add --warn-common.
7776         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7777         merging two common symbols.
7778         (Symbol_table::should_override): Handle --warn-common when merging
7779         a common symbol with a defined symbol.  Use report_resolve_problem
7780         for multiple definitions.
7781         (Symbol_table::report_resolve_problem): New function.
7782         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7783
7784 2009-11-03  Doug Kwan  <dougkwan@google.com>
7785
7786         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7787         stub_factory_.
7788         (Target_arm::stub_factory): New method definition.
7789         (Target_arm::new_arm_input_section,
7790         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7791         Target_arm::reloc_uses_thumb_bit): New method declarations.
7792         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7793         New type definitions.
7794         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7795         member declarations.
7796         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7797         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7798         New method definitions.
7799
7800 2009-11-03  Ian Lance Taylor  <iant@google.com>
7801
7802         * options.h (class General_options): Add --warn_constructors.
7803
7804 2009-11-03  Ian Lance Taylor  <iant@google.com>
7805
7806         PR 10893
7807         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7808         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7809
7810 2009-11-03  Ian Lance Taylor  <iant@google.com>
7811
7812         PR 10895
7813         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7814         --msgid-bugs-address.
7815         (install-pdf): New target.
7816         (install-data_yes): Look up one directory to find mkinstalldirs.
7817
7818 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7819
7820         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7821         tree.
7822
7823 2009-10-30  Doug Kwan  <dougkwan@google.com>
7824
7825         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7826
7827 2009-10-30  Doug Kwan  <dougkwan@google.com>
7828
7829         * arm.cc (Stub_addend_reader): New struct template definition
7830         and partial specializations.
7831         (Stub_addend_reader::operator()): New method definition for a
7832         partially specialized template.
7833
7834 2009-10-30  Doug Kwan  <dougkwan@google.com>
7835
7836         * arm.cc (Arm_relobj::processor_specific_flags): New method
7837         definition.
7838         (Arm_relobj::do_read_symbols): New method declaration.
7839         (Arm_relobj::processor_specific_flags_): New data member declaration.
7840         (Arm_dynobj): New class definition.
7841         (Target_arm::do_finalize_sections): Add input_objects parameter.
7842         (Target_arm::do_adjust_elf_header): New method declaration.
7843         (Target_arm::are_eabi_versions_compatible,
7844         (Target_arm::merge_processor_specific_flags): New method declaration.
7845         (Target_arm::do_make_elf_object): New overloaded method definitions
7846         and declaration.
7847         (Arm_relobj::do_read_symbols): New method definition.
7848         (Arm_dynobj::do_read_symbols): Ditto.
7849         (Target_arm::do_finalize_sections): Add input_objects parameters.
7850         Merge processor-specific flags from all input objects.
7851         (Target_arm::are_eabi_versions_compatible,
7852         Target_arm::merge_processor_specific_flags,
7853         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7854         New method definitions.
7855         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7856         Input_objects pointer type parameter.
7857         * layout.cc (Layout::finalize): Pass input objects to target's.
7858         finalize_sections function.
7859         * output.cc (Output_file_header::do_sized_write): Set ELF file
7860         header's processor-specific flags.
7861         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7862         Input_objects pointer type parameter.
7863         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7864         * target.h (Input_objects): New forward class declaration.
7865         (Target::processor_specific_flags,
7866         Target::are_processor_specific_flags_sect): New method definitions.
7867         (Target::finalize_sections): Add input_objects parameter.
7868         (Target::Target): Initialize processor_specific_flags_ and
7869         are_processor_specific_flags_set_.
7870         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7871         parameter.
7872         (Target::set_processor_specific_flags): New method definition.
7873         (Target::processor_specific_flags_,
7874         Target::are_processor_specific_flags_set_): New data member
7875         declarations.
7876         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7877         Input_objects pointer type parameter.
7878
7879 2009-10-30  Doug Kwan  <dougkwan@google.com>
7880
7881         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7882
7883 2009-10-28  Ian Lance Taylor  <iant@google.com>
7884
7885         * object.h (class Relobj): Drop options parameter from
7886         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7887         do_scan_relocs, do_relocate.  Change all callers.
7888         (class Sized_relobj): Drop options parameters from
7889         do_gc_process_relocs, do_scan_relocs, do_relocate,
7890         do_relocate_sections, relocate_sections, emit_relocs_scan,
7891         emit_relocs_scan_reltype.  Change all callers.
7892         (struct Relocate_info): Remove options field and all references to
7893         it.
7894         * reloc.h (class Read_relocs): Remove options constructor
7895         parameter and options_ field.  Change all callers.
7896         (class Gc_process_relocs, class Scan_relocs): Likewise.
7897         (class Relocate_task): Likewise.
7898         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7899         all callers.
7900         (scan_relocatable_relocs): Likewise.
7901         * target.h (class Sized_target): Remove options parameter from
7902         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7903         all callers.
7904         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7905         callers.
7906         * arm.cc: Update functions to remove options parameters.
7907         * i386.cc: Likewise.
7908         * powerpc.cc: Likewise.
7909         * sparc.cc: Likewise.
7910         * x86_64.cc: Likewise.
7911         * testsuite/testfile.cc: Likewise.
7912
7913 2009-10-28  Doug Kwan  <dougkwan@google.com>
7914
7915         * arm.cc (Arm_relobj): New class definition.
7916         (Arm_relobj::scan_sections_for_stubs,
7917         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7918         New method definitions.
7919
7920 2009-10-28  Cary Coutant  <ccoutant@google.com>
7921
7922         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7923         (Plugin::cleanup_done_): New member.
7924         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7925         (Plugin_manager::cleanup_done_): Remove.
7926         (Plugin_manager::add_input_file): Edit error message.
7927         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7928         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7929
7930 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7931
7932         * fileread.cc: (File_read::View::~View): Use the new
7933         data_ownership_ filed.
7934         (File_read::~File_read): Dispose the new whole_file_view_.
7935         (File_read::open): Mmap the whole file if needed.
7936         (File_read::open): Use whole_file_view_ instead of contents_.
7937         (File_read::find_view): Use whole_file_view_ if applicable.
7938         (File_read::do_read): Use whole_file_view_ instead of contents_.
7939         (File_read::make_view): Use whole_file_view_ instead of contents_,
7940         update File_read::View::View call.
7941         (File_read::find_or_make_view): Update File_read::View::View
7942         call.
7943         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7944         remove contents_
7945         (File_read::View::Data_ownership): New enum.
7946         (File_read::View::View): Replace bool mapped_ with Data_ownership
7947         argument.
7948         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7949         (File_read::View::data_ownership_): New field.
7950         (File_read::contents_): Remove (replaced by whole_file_view_).
7951         (File_read::whole_file_view_): New field.
7952         * options.h (class General_options): Add --keep-files-mapped.
7953
7954 2009-10-27  Cary Coutant  <ccoutant@google.com>
7955
7956         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7957         * testsuite/Makefile.am (plugin_test_5): New test case.
7958         * testsuite/Makefile.in: Regenerate.
7959
7960 2009-10-25  Doug Kwan  <dougkwan@google.com>
7961
7962         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7963         from private to protected to allow access by child class.
7964         (Sized_relobj::do_relocate_sections): New method declaration.
7965         (Sized_relobj::relocate_sections): Virtualize.
7966         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7967         Sized_relobj::relocate_sections.  Instantiate template explicitly
7968         for different target sizes and endianity.
7969
7970 2009-10-24  Doug Kwan  <dougkwan@google.com>
7971
7972         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7973         (Arm_input_section::as_arm_input_section): New method.
7974         (Arm_output_section): New class definition.
7975         (Arm_output_section::create_stub_group,
7976         Arm_output_section::group_sections): New method definitions.
7977
7978 2009-10-22  Doug Kwan  <dougkwan@google.com>
7979
7980         * arm.cc (Arm_input_section): New class definition.
7981         (Arm_input_section::init, Arm_input_section:do_write,
7982         Arm_input_section::set_final_data_size,
7983         Arm_input_section::do_reset_address_and_file_offset): New method
7984         definitions.
7985
7986 2009-10-21  Doug Kwan  <dougkwan@google.com>
7987
7988         * arm.cc (Stub_table, Arm_input_section): New forward class
7989         declarations.
7990         (Stub_table): New class defintion.
7991         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7992         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7993         New method definition.
7994
7995 2009-10-21  Doug Kwan  <dougkwan@google.com>
7996
7997         * arm.cc: Update copyright comments.
7998         (Target_arm): New forward class template declaration.
7999         (Arm_address): New type.
8000         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
8001         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
8002         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
8003         constants.
8004         (Insn_template): Same.
8005         (DEF_STUBS): New macro.
8006         (Stub_type): New enum type.
8007         (Stub_template): New class definition.
8008         (Stub): Same.
8009         (Reloc_stub): Same.
8010         (Stub_factory): Same.
8011         (Target_arm::Target_arm): Initialize may_use_blx_ and
8012         should_force_pic_veneer_.
8013         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
8014         Target_arm::should_force_pic_veneer,
8015         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
8016         Target_arm::using_thumb_only, Target_arm:;default_target): New
8017         method defintions.
8018         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
8019         New data member declarations.
8020         (Insn_template::size, Insn_template::alignment): New method defintions.
8021         (Stub_template::Stub_template): New method definition.
8022         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
8023         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
8024         (Stub_factory::Stub_factory): New method definition.
8025         * gold.h (string_hash): New template.
8026         * output.h (Input_section_specifier::hash_value): Use
8027         gold::string_hash.
8028         (Input_section_specifier::string_hash): Remove.
8029         * stringpool.cc (Stringpool_template::string_hash): Use
8030         gold::string_hash.
8031
8032 2009-10-20  Doug Kwan  <dougkwan@google.com>
8033
8034         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
8035         symbols of relaxed input sections.
8036         * output.h (Output_section::find_relaxed_input_section): Make
8037         method public.
8038
8039 2009-10-16  Doug Kwan  <dougkwan@google.com>
8040
8041         * dynobj.cc (Versions::Versions): Initialize version_script_.
8042         Only insert base version symbol definition for a shared object
8043         if version script defines any version versions.
8044         (Versions::define_base_version): New method definition.
8045         (Versions::add_def): Check that base version is not needed.
8046         (Versions::add_need): Define base version lazily.
8047         * dynobj.h (Versions::define_base_version): New method declaration.
8048         (Versions::needs_base_version_): New data member declaration.
8049         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
8050         (check_DATA): Add no_version_test.stdout.
8051         (libno_version_test.so, no_version_test.o no_version_test.stdout):
8052         New make rules.
8053         * testsuite/Makefile.in: Regenerate.
8054         * testsuite/no_version_test.c: New file.
8055         * testsuite/no_version_test.sh: Ditto.
8056
8057 2009-10-16  Doug Kwan  <dougkwan@google.com>
8058
8059         * expression.cc (class Segment_start_expression): New class definition.
8060         (Segment_start_expression::value): New method definition.
8061         (script_exp_function_segment_start): Return a new
8062         Segment_start_expression.
8063         * gold/script-c.h (script_saw_segment_start_expression): New function
8064         prototype.
8065         * script-sections.cc (Script_sections::Script_sections): Initialize
8066         SAW_SEGMENT_START_EXPRESSION_ to false.
8067         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
8068         and -Tbbs options to specify section addresses if given in
8069         command line and no SEGMENT_START expression is seen in a script.
8070         * script-sections.h (Script_sections::saw_segment_start_expression,
8071         Script_sections::set_saw_segment_start_expression): New method
8072         definition.
8073         (Script_sections::saw_segment_start_expression_): New data member
8074         declaration.
8075         * script.cc (script_saw_segment_start_expression): New function.
8076         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
8077         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
8078         script_test_7.sh and script_test_8.sh.
8079         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
8080         script_test_8.stdout.
8081         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
8082         (script_test_6, script_test_6.stdout, script_test_7,
8083         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
8084         * Makefile.in: Regenerate.
8085         * testsuite/script_test_6.sh: New file.
8086         * testsuite/script_test_6.t: Same.
8087         * testsuite/script_test_7.sh: Same.
8088         * testsuite/script_test_7.t: Same.
8089         * testsuite/script_test_8.sh: Same.
8090
8091 2009-10-16  Doug Kwan  <dougkwan@google.com>
8092
8093         * output.cc (Output_segment::set_section_list_address): Cast
8094         expressions to unsigned long long type to avoid format warnings.
8095
8096 2009-10-15  Ian Lance Taylor  <iant@google.com>
8097
8098         * script.cc (Script_options::add_symbol_assignment): Always add a
8099         dot assignment to script_sections_.
8100         * script-sections.cc (Script_sections::add_dot_assignment):
8101         Initialize if necessary.
8102
8103         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
8104         program headers with no load segment if there is a linker script.
8105
8106         * layout.cc (Layout::set_segment_offsets): Align the file offset
8107         to the segment aligment for -N or -n with no load segment.
8108         * output.cc (Output_segment::add_output_section): Don't crash if
8109         the first section is a TLS section.
8110         (Output_segment::set_section_list_addresses): Print an error
8111         message if the address moves backward in a linker script.
8112         * script-sections.cc
8113         (Output_section_element_input::set_section_addresses): Don't
8114         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
8115         (Orphan_output_section::set_section_addresses): Likewise.
8116
8117 2009-10-15  Doug Kwan  <dougkwan@google.com>
8118
8119         * layout.cc (Layout::finish_dynamic_section): Generate tags
8120         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
8121         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
8122         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
8123
8124 2009-10-14  Ian Lance Taylor  <iant@google.com>
8125
8126         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
8127         fields.
8128         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
8129         data_shdr fields of relinfo.
8130         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
8131         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
8132         R_386_TLS_LDO_32, adjust based on section flags.
8133         (Target_i386::Relocate::fix_up_ldo): Remove.
8134
8135 2009-10-13  Ian Lance Taylor  <iant@google.com>
8136
8137         Add support for -pie.
8138         * options.h (class General_options): Add -pie and
8139         --pic-executable.
8140         (General_options::output_is_position_independent): Test -pie.
8141         (General_options::output_is_executable): Return true if not shared
8142         and not relocatable.
8143         (General_options::output_is_pie): Remove.
8144         * options.cc (General_options::finalize): Reject incompatible uses
8145         of -pie.
8146         * gold.cc (queue_middle_tasks): A -pie link is not static.
8147         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
8148         * symtab.cc (Symbol::final_value_is_known): Return false if
8149         output_is_position_independent.
8150         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
8151         output_is_position_independent.
8152         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
8153         output_is_position_independent.
8154         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
8155         output_is_position_independent.
8156         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
8157         two_file_pie_test.
8158         (basic_pie_test.o, basic_pie_test): New targets.
8159         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8160         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8161         (two_file_pie_test): New target.
8162         * testsuite/Makefile.in: Rebuild.
8163         * README: Remove note saying that -pie is not supported.
8164
8165 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8166
8167         * options.h (class General_options): Add -init and -fini.
8168         * layout.cc (Layout::finish_dynamic_section): Emit
8169         given init and fini functions.
8170
8171 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8172
8173         * gc.h (gc_process_relocs): Check if icf is enabled using new
8174         function.
8175         * gold.cc (queue_initial_tasks): Likewise.
8176         (queue_middle_tasks): Likewise.
8177         * object.cc (do_layout): Likewise.
8178         * symtab.cc (is_section_folded): Likewise.
8179         * main.cc (main): Likewise.
8180         * reloc.cc (Read_relocs::run): Likewise.
8181         (Sized_relobj::do_scan_relocs): Likewise.
8182         * icf.cc (is_function_ctor_or_dtor): New function.
8183         (Icf::find_identical_sections): Check if function is ctor or dtor when
8184         safe icf is chosen.
8185         * options.h (General_options::icf): Change option to be an enum.
8186         (Icf_status): New enum.
8187         (icf_enabled): New method.
8188         (icf_safe_folding): New method.
8189         (set_icf_status): New method.
8190         (icf_status_): New variable.
8191         * (options.cc) (General_options::finalize): Set icf_status_.
8192         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8193         icf_test and icf_keep_unique_test to use the --icf enum flag.
8194         * testsuite/icf_safe_test.sh: New file.
8195         * testsuite/icf_safe_test.cc: New file.
8196
8197 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8198
8199         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8200         includes to gc.h and icf.h.
8201         * arm.cc: Include gc.h.
8202         * gold.cc: Likewise.
8203         * i386.cc: Likewise.
8204         * powerpc.cc: Likewise.
8205         * sparc.cc: Likewise.
8206         * x86_64.cc: Likewise.
8207         * gc.h: Include icf.h.
8208
8209 2009-10-11  Ian Lance Taylor  <iant@google.com>
8210
8211         * plugin.cc: Include "gold.h" before other header files.
8212
8213 2009-10-10  Chris Demetriou  <cgd@google.com>
8214
8215         * options.h (Input_file_argument::Input_file_type): New enum.
8216         (Input_file_argument::is_lib_): Replace with...
8217         (Input_file_argument::type_): New member.
8218         (Input_file_argument::Input_file_argument): Take Input_file_type
8219         'type' rather than boolean 'is_lib' as second argument.
8220         (Input_file_argument::is_lib): Use type_.
8221         (Input_file_argument::is_searched_file): New function.
8222         (Input_file_argument::may_need_search): Handle is_searched_file.
8223         * options.cc (General_options::parse_library): Support -l:filename.
8224         (General_options::parse_just_symbols): Update for Input_file_argument
8225         changes.
8226         (Command_line::process): Likewise.
8227         * archive.cc (Archive::get_file_and_offset): Likewise.
8228         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8229         * script.cc (read_script_file, script_add_file): Likewise.
8230         * fileread.cc (Input_file::Input_file): Likewise.
8231         (Input_file::will_search_for): Handle is_searched_file.
8232         (Input_file::open): Likewise.
8233         * readsyms.cc (Read_symbols::get_name): Likewise.
8234         * testsuite/Makefile.am (searched_file_test): New test.
8235         * testsuite/Makefile.in: Regenerate.
8236         * testsuite/searched_file_test.cc: New file.
8237         * testsuite/searched_file_test_lib.cc: New file.
8238
8239 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8240             Ian Lance Taylor  <iant@google.com>
8241
8242         * descriptor.cc: Include <cstdio> and "binary-io.h".
8243         (Descriptors::open): Open the files in binary mode always.
8244         * script.cc (Lex::get_token): Treat \r as whitespace.
8245
8246 2009-10-09  Ian Lance Taylor  <iant@google.com>
8247
8248         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8249
8250 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8251             Ian Lance Taylor  <iant@google.com>
8252
8253         * configure.ac: Check for readv function also.
8254         * fileread.cc (readv): Define if not HAVE_READV.
8255         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8256         does not exist.
8257         * config.in: Regenerate.
8258         * configure: Regenerate.
8259
8260 2009-10-09  Doug Kwan  <dougkwan@google.com>
8261
8262         * layout.cc (Layout::make_output_section): Call target hook to make
8263         ordinary output section.
8264         (Layout::finalize): Adjust parameter list of call the
8265         Target::may_relax().
8266         * layout.h (class Layout::section_list): New method.
8267         * merge.h (Output_merge_base::entsize): Change visibility to public.
8268         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8269         New methods.
8270         (Output_merge_string::do_is_string): New method.
8271         * object.cc (Sized_relobj::do_setup): renamed from
8272         Sized_relobj::set_up.
8273         * object.h (Sized_relobj::adjust_shndx,
8274         Sized_relobj::initializ_input_to_output_maps,
8275         Sized_relobj::free_input_to_output_maps): Change visibilities to
8276         protected.
8277         (Sized_relobj::setup): Virtualize.
8278         (Sized_relobj::do_setup): New method declaration.
8279         (Sized_relobj::invalidate_section_offset,
8280         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8281         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8282         * options.cc (parse_int): New function.
8283         * options.h (parse_int): New declaration.
8284         (DEFINE_int): New macro.
8285         (stub_group_size): New option.
8286         * output.cc (Output_section::Output_section): Initialize memebers
8287         merge_section_map_, merge_section_by_properties_map_,
8288         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8289         (Output_section::add_input_section): Handled deferred code-fill
8290         generation and remove an old comment.
8291         (Output_section::add_relaxed_input_section): New method definition.
8292         (Output_section::add_merge_input_section): Use merge section by
8293         properties map to speed to search.  Update merge section maps
8294         as appropriate.
8295         (Output_section::build_relaxation_map): New method definition.
8296         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8297         Same.
8298         (Output_section::relax_input_section): Renamed to
8299         Output_section::convert_input_sections_to_relaxed_sections and change
8300         interface to take a vector of pointers to relaxed sections.
8301         (Output_section::find_merge_section,
8302         Output_section::find_relaxed_input_section): New method definitions.
8303         (Output_section::is_input_address_mapped,
8304         Output_section::output_offset, Output_section::output_address):
8305         Use output section data maps to speed up searching.
8306         (Output_section::find_starting_output_address): Add comments.
8307         (Output_section::do_write,
8308         Output_section::write_to_postprocessing_buffer): Do code-fill
8309         generation as appropriate.
8310         (Output_section::get_input_sections): Invalidate relaxed input section
8311         map.
8312         (Output_section::restore_states): Adjust type of checkpoint .
8313         Invalidate relaxed input section map.
8314         * output.h (Output_merge_base): New class declaration.
8315         (Input_section_specifier): New class defintion.
8316         (class Output_relaxed_input_section) Change base class to
8317         Output_section_data_build.
8318         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8319         base class initializer.
8320         (Output_section::add_relaxed_input_section): New method declaration.
8321         (Output_section::Input_section): Change visibility to protected.
8322         (Output_section::Input_section::relobj,
8323         Output_section::Input_section::shndx): Handle relaxed input sections.
8324         Output_section::input_sections) Change visibility to protected.  Also
8325         define overload to return a non-const pointer.
8326         (Output_section::Merge_section_properties): New class defintion.
8327         (Output_section::Merge_section_by_properties_map,
8328         Output_section::Output_section_data_by_input_section_map,
8329         Output_section::Relaxation_map): New types.
8330         (Output_section::relax_input_section): Rename method to
8331         Output_section::convert_input_sections_to_relaxed_sections and change
8332         interface to take a vector of relaxed section pointers.
8333         (Output_section::find_merge_section,
8334         Output_section::find_relaxed_input_section,
8335         Output_section::build_relaxation_map,
8336         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8337         New method declarations.
8338         (Output_section::merge_section_map_
8339         Output_section::merge_section_by_properties_map_,
8340         Output_section::relaxed_input_section_map_,
8341         Output_section::is_relaxed_input_section_map_valid_,
8342         Output_section::generate_code_fills_at_write_): New data members.
8343         * script-sections.cc
8344         (Output_section_element_input::set_section_addresses): Call
8345         current_data_size and addralign methods of relaxed input sections.
8346         (Orphan_output_section::set_section_addresses): Call current_data_size
8347         and addralign methods of relaxed input sections.
8348         * symtab.cc (Symbol_table::compute_final_value): Extract template
8349         from the body of Symbol_table::sized_finalize_symbol.
8350         (Symbol_table::sized_finalized_symbol): Call
8351         Symbol_table::compute_final_value.
8352         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8353         (Symbol_table::compute_final_value): New templated method declaration.
8354         * target.cc (Target::do_make_output_section): New method defintion.
8355         * target.h (Target::make_output_section): New method declaration.
8356         (Target::relax): Add more parameters for input objects, symbol table
8357         and layout.  Adjust call to do_relax.
8358         (Target::do_make_output_section): New method declaration.
8359         (Target::do_relax): Add parameters for input objects, symbol table
8360         and layout.
8361
8362 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8363
8364         * pread.c: Include stdio.h.
8365
8366 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8367
8368         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8369         defined.
8370
8371 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8372
8373         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8374         Change read_shndx type to unsigned int.
8375         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8376         int.
8377         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8378         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8379         Change read_shndx type to unsigned int.
8380         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8381         int.
8382         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8383         * layout.cc (Layout::create_symtab_sections): Cast the result of
8384         local_symcount * symsize to off_t in the gold_assert.
8385
8386 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8387
8388         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8389         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8390         R_ARM_BASE_ABS.
8391         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8392         (Arm_relocate_functions::thm_abs5): New function.
8393         (Arm_relocate_functions::abs12): New function.
8394         (Arm_relocate_functions::abs16): New function.
8395         (Arm_relocate_functions::base_abs): New function.
8396         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8397         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8398         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8399         R_ARM_BASE_ABS.
8400         (Scan::global): Likewise.
8401         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8402         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8403         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8404         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8405         R_ARM_BASE_ABS.
8406
8407 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8408
8409         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8410         (Arm_relocate_functions::movt_prel): New function.
8411         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8412         (Arm_relocate_functions::thm_movt_prel): New function.
8413         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8414         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8415         (Scan::global, Relocate::relocate): Likewise.
8416         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8417
8418 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8419
8420         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8421         Incremental_checker.
8422         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8423         unsigned int.
8424         (class Incremental_inputs_header): New class.
8425         (Incremental_inputs_header_writer): Edit comment.
8426         (Incremental_inputs_entry): New class.
8427         (Incremental_inputs_entry_writer): Edit comment.
8428         (Sized_incremental_binary::do_find_incremental_inputs_section):
8429         Add *strtab_shndx parameter, fill it.
8430         (Sized_incremental_binary::do_check_inputs): New method.
8431         (Incremental_checker::can_incrementally_link_output_file): Use
8432         Sized_incremental_binary::check_inputs.
8433         (Incremental_inputs::report_command_line): Save command line in
8434         command_line_.
8435         * incremental.h:
8436         (Incremental_binary::find_incremental_inputs_section): New
8437         method.
8438         (Incremental_binary::do_find_incremental_inputs_section): Add
8439         strtab_shndx parameter.
8440         (Incremental_binary::do_check_inputs): New pure virtual method.
8441         (Sized_incremental_binary::do_check_inputs): Declare.
8442         (Incremental_checker::Incremental_checker): Add incremental_inputs
8443         parameter, use it to initialize incremental_inputs_.
8444         (Incremental_checker::incremental_inputs_): New field.
8445         (Incremental_checker::command_line): New method.
8446         (Incremental_checker::inputs): New method.
8447         (Incremental_checker::command_line_): New field.
8448
8449 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8450
8451         * incremental.cc: Include <cstdarg> and "target-select.h".
8452         (vexplain_no_incremental): New function.
8453         (explain_no_incremental): New function.
8454         (Incremental_binary::error): New method.
8455         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8456         method.
8457         (make_sized_incremental_binary): New function.
8458         (open_incremental_binary): New function.
8459         (can_incrementally_link_file): Add checks if output is ELF and has
8460         inputs section.
8461         * incremental.h: Include "elfcpp_file.h" and "output.h".
8462         (Incremental_binary): New class.
8463         (Sized_incremental_binary): New class.
8464         (open_incremental_binary): Declare.
8465         * object.cc (is_elf_object): Use
8466         elfcpp::Elf_recognizer::is_elf_file.
8467         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8468         * output.h (Output_file::filesize): New method.
8469
8470 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8471
8472         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8473         New function.
8474         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8475         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8476         function.
8477         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8478         function.
8479         (Arm_relocate_functions::movw_abs_nc): New function.
8480         (Arm_relocate_functions::movt_abs): New function.
8481         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8482         (Arm_relocate_functions::thm_movt_abs): New function.
8483         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8484         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8485         (Scan::global): Likewise.
8486         (Relocate::relocate): Likewise.
8487         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8488
8489 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8490
8491         * arm.cc (Arm_relocate_functions::got_prel) New function.
8492         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8493         (Relocate::relocate): Likewise.
8494         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8495
8496 2009-10-06  Ian Lance Taylor  <iant@google.com>
8497
8498         * options.h (class General_options): Define
8499         split_stack_adjust_size parameter.
8500         * object.h (class Object): Add uses_split_stack_ and
8501         has_no_split_stack_ fields.  Add uses_split_stack and
8502         has_no_split_stack accessor functions.  Declare
8503         handle_split_stack_section.
8504         (class Reloc_symbol_changes): Define.
8505         (class Sized_relobj): Define Function_offsets.  Declare
8506         split_stack_adjust, split_stack_adjust_reltype, and
8507         find_functions.
8508         * object.cc (Object::handle_split_stack_section): New function.
8509         (Sized_relobj::do_layout): Call handle_split_stack_section.
8510         * dynobj.cc (Sized_dynobj::do_layout): Call
8511         handle_split_stack_section.
8512         * reloc.cc (Sized_relobj::relocate_sections): Call
8513         split_stack_adjust for executable sections in split_stack
8514         objects.  Pass reloc_map to relocate_section.
8515         (Sized_relobj::split_stack_adjust): New function.
8516         (Sized_relobj::split_stack_adjust_reltype): New function.
8517         (Sized_relobj::find_functions): New function.
8518         * target-reloc.h: Include "object.h".
8519         (relocate_section): Add reloc_symbol_changes parameter.  Change
8520         all callers.
8521         * target.h (class Target): Add calls_non_split method.  Declare
8522         do_calls_non_split virtual method.  Declare match_view and
8523         set_view_to_nop.
8524         * target.cc: Include "elfcpp.h".
8525         (Target::do_calls_non_split): New function.
8526         (Target::match_view): New function.
8527         (Target::set_view_to_nop): New function.
8528         * gold.cc (queue_middle_tasks): Give an error if mixing
8529         split-stack and non-split-stack objects with -r.
8530         * i386.cc (Target_i386::relocate_section): Add
8531         reloc_symbol_changes parameter.
8532         (Target_i386::do_calls_non_split): New function.
8533         * x86_64.cc (Target_x86_64::relocate_section): Add
8534         reloc_symbol_changes parameter.
8535         (Target_x86_64::do_calls_non_split): New function.
8536         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8537         parameter.
8538         * powerpc.cc (Target_powerpc::relocate_section): Add
8539         reloc_symbol_changes parameter.
8540         * sparc.cc (Target_sparc::relocate_section): Add
8541         reloc_symbol_changes parameter.
8542         * configure.ac: Call AM_CONDITIONAL for the default target.
8543         * configure: Rebuild.
8544         * testsuite/Makefile.am (TEST_AS): New variable.
8545         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8546         (check_DATA): Add split_i386 and split_x86_64 files.
8547         (SPLIT_DEFSYMS): Define.
8548         (split_i386_[1234n].o): New targets.
8549         (split_i386_[124]): New targets.
8550         (split_i386_[1234r].stdout): New targets.
8551         (split_x86_64_[1234n].o): New targets.
8552         (split_x86_64_[124]): New targets.
8553         (split_x86_64_[1234r].stdout): New targets.
8554         (MOSTLYCLEANFILES): Add new executables.
8555         * testsuite/split_i386.sh: New file.
8556         * testsuite/split_x86_64.sh: New file.
8557         * testsuite/split_i386_1.s: New file.
8558         * testsuite/split_i386_2.s: New file.
8559         * testsuite/split_i386_3.s: New file.
8560         * testsuite/split_i386_4.s: New file.
8561         * testsuite/split_i386_n.s: New file.
8562         * testsuite/split_x86_64_1.s: New file.
8563         * testsuite/split_x86_64_2.s: New file.
8564         * testsuite/split_x86_64_3.s: New file.
8565         * testsuite/split_x86_64_4.s: New file.
8566         * testsuite/split_x86_64_n.s: New file.
8567         * testsuite/testfile.cc (Target_test): Update relocation_section
8568         function.
8569         * testsuite/Makefile.in: Rebuild.
8570
8571 2009-10-06  Ian Lance Taylor  <iant@google.com>
8572
8573         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8574         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8575         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8576         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8577         the address on ldo_addrs_.
8578         (Target_i386::Relocate::fix_up_ldo): New function.
8579
8580 2009-10-06   Rafael Espindola  <espindola@google.com>
8581
8582         * plugin.cc (add_input_library): New.
8583         (Plugin::load): Add add_input_library to tv.
8584         (Plugin_manager::add_input_file): Add the is_lib argument.
8585         (add_input_file): Update call to Plugin_manager::add_input_file.
8586         (add_input_library): New.
8587         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8588
8589 2009-09-30  Doug Kwan  <dougkwan@google.com>
8590
8591         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8592         symbol and call Symbol::may_need_copy_reloc to determine if
8593         a copy reloc is needed.
8594         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8595         nocopyreloc is given in command line.
8596         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8597         given in command line.
8598         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8599         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8600         of the removed Target_i386::may_need_copy_reloc.
8601         * options.h (copyreloc): New option with default value false.
8602         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8603         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8604         instead of the removed Target_powerpc::may_need_copy_reloc.
8605         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8606         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8607         instead of the removed Target_sparc::may_need_copy_reloc.
8608         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8609         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8610         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8611         instead of the removed Target_x86_64::may_need_copy_reloc.
8612
8613 2009-09-30  Ian Lance Taylor  <iant@google.com>
8614
8615         * object.h (class Object): Remove target_ field, and target,
8616         sized_target, and set_target methods.
8617         (Object::sized_target): Remove.
8618         (class Sized_relobj): Update declarations.  Remove sized_target.
8619         * object.cc (Sized_relobj::setup): Remove target parameter.
8620         Change all callers.
8621         (Input_objects::add_object): Don't do anything with the target.
8622         (make_elf_sized_object): Add punconfigured parameter.  Change all
8623         callers.  Set or test parameter target.
8624         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8625         Change all callers.
8626         * parameters.cc (Parameters::set_target): Change parameter type to
8627         be non-const.
8628         (Parameters::default_target): Remove.
8629         (set_parameters_target): Change parameter type to be non-const.
8630         (parameters_force_valid_target): New function.
8631         (parameters_clear_target): New function.
8632         * parameters.h (class Parameters): Update declarations.  Remove
8633         default_target method.  Add sized_target and clear_target
8634         methods.  Change target_ to be non-const.
8635         (set_parameters_target): Update declaration.
8636         (parameters_force_valid_target): Declare.
8637         (parameters_clear_target): Declare.
8638         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8639         as NULL if we aren't searching.
8640         (Add_symbols::run): Don't check for compatible target.
8641         * fileread.cc (Input_file::open_binary): Call
8642         parameters_force_valid_target.
8643         * gold.cc (queue_middle_tasks): Likewise.
8644         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8645         set_target on object.
8646         * dynobj.h (class Sized_dynobj): Update declarations.
8647         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8648         make_elf_object returns NULL.
8649         (Archive::include_member): Don't check whether object target is
8650         compatible.
8651         * output.cc (Output_section::add_input_section): Get target from
8652         parameters.
8653         (Output_section::relax_input_section): Likewise.
8654         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8655         parameters.
8656         (Sized_relobj::do_scan_relocs): Likewise.
8657         (Sized_relobj::relocate_sections): Likewise.
8658         * resolve.cc (Symbol_table::resolve): Likewise.
8659         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8660         parameter.  Change all callers.
8661         (Symbol_table::add_from_object): Get target from parameters.
8662         (Symbol_table::add_from_relobj): Don't check object target.
8663         (Symbol_table::add_from_dynobj): Likewise.
8664         (Symbol_table::define_special_symbol): Get target from
8665         parameters.
8666         * symtab.h (class Symbol_table): Update declaration.
8667         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8668         parameter.  Change all callers.  Clear parameter target.
8669         (Binary_test): Test target here.
8670         * testsuite/object_unittest.cc (gold_testsuite): Remove
8671         target_test_pointer parameter.  Change all callers.
8672         (Object_test): Test target here.
8673
8674 2009-09-26  Ian Lance Taylor  <iant@google.com>
8675
8676         * testsuite/initpri1.c: Don't try to use constructor priorities if
8677         compiling with gcc before 4.3.
8678
8679 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8680
8681         * testsuite/retain_symbols_file_test.sh (check_present): Change
8682         output file name to retain_symbols_file_test.stdout.
8683         (check_absent): Likewise.
8684
8685 2009-09-18  Craig Silverstein  <csilvers@google.com>
8686
8687         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8688         * options.cc: Include <cerrno> and <fstream>.
8689         (General_options::finalize): Parse -retain-symbols-file tag.
8690         * options.h: New flag.
8691         (General_options): New method should_retain_symbol, new
8692         variable symbols_to_retain.
8693         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8694         should_retain_symbol map.
8695         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8696         * testsuite/Makefile.in: Regenerate.
8697         * testsuite/retain_symbols_file_test.sh: New file.
8698
8699 2009-09-18  Nick Clifton  <nickc@redhat.com>
8700
8701         * po/es.po: Updated Spanish translation.
8702
8703 2009-09-17  Doug Kwan  <dougkwan@google.com>
8704
8705         * debug.h (DEBUG_RELAXATION): New constant.
8706         (DEBUG_ALL): Add DEBUG_RELAXATION.
8707         (debug_string_to_enum): Add relaxation debug option.
8708         * layout.cc
8709         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8710         Layout::Relaxation_debug_check::read_sections,
8711         Layout::Relaxation_debug_check::read_sections): New method definitions.
8712         (Layout::Layout): Initialize data members
8713         record_output_section_data_from_scrips_,
8714         script_output_section_data_list_ and relaxation_debug_check_.
8715         (Layout::save_segments, Layout::restore_segments,
8716         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8717         Layout::relaxation_loop_body): New method definitions.
8718         (Layout::finalize): Support relaxation.  Move section layout code to
8719         Layout::relaxation_loop_body.
8720         (Layout::set_asection_address_from_script): Move code for orphan
8721         section placement out.
8722         (Layout::place_orphan_sections_in_script): New method definition.
8723         * layout.h (Output_segment_headers, Output_file_header):
8724         New forward class declarations.
8725         (Layout::~Layout): Define.
8726         (Layout::new_output_section_data_from_script): New method definition.
8727         (Layout::place_orphan_sections_in_script): New method declaration.
8728         (Layout::Segment_states): New type declaration.
8729         (Layout::save_segments, Layout::restore_segments,
8730         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8731         Layout::relaxation_loop_body): New method declarations.
8732         (Layout::Output_section_data_list): New type declaration.
8733         (Layout::Relaxation_debug_check): New class definition.
8734         (Layout::record_output_section_data_from_script_,
8735         Layout::script_output_section_data_list_, Layout::segment_states_,
8736         Layout::relaxation_debug_check_): New data members.
8737         * output.cc: (Output_section_headers::do_size): New method definition.
8738         (Output_section_headers::Output_section_headers): Move size
8739         computation to Output_section_headers::do_size.
8740         (Output_segment_headers::do_size): New method definition.
8741         (Output_file_header::Output_file_header): Move size computation to
8742         Output_file_header::do_size and call it.
8743         (Output_file_header::do_size): New method definition.
8744         (Output_data_group::Output_data_group): Adjust call to
8745         Output_section_data.
8746         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8747         (Output_symtab_xindex::do_write): Add array bound check.
8748         (Output_section::Input_section::print_to_mapfile): Handle
8749         RELAXED_INPUT_SECTION_CODE.
8750         (Output_section::Output_section): Initialize data member checkpoint_.
8751         (Output_section::~Output_section): Delete checkpoint object pointed
8752         by checkpoint_.
8753         (Output_section::add_input_section): Always add an Input_section if
8754         relaxing.
8755         (Output_section::add_merge_input_section): Add assert.
8756         (Output_section::relax_input_section): New method definition.
8757         (Output_section::set_final_data_size): Set load address to zero for
8758         an unallocated section.
8759         (Output_section::do_address_and_file_offset_have_reset_values):
8760         New method definition.
8761         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8762         Handle relaxed input section.
8763         (Output_section::sort_attached_input_sections): Checkpoint input
8764         section list lazily.
8765         (Output_section::get_input_sections): Change type of input_sections to
8766         list of Simple_input_section pointers.  Checkpoint input section list
8767         lazily.  Also handle relaxed input sections.
8768         (Output_section::add_input_section_for_script): Take a reference to
8769         a Simple_input_section object instead of Relobj pointer and section
8770         index as parameter.  Handle relaxed input sections.
8771         (Output_section::save_states, Output_section::restore_states): New
8772         method definitions.
8773         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8774         (Output_data::is_data_size_fixed): New method definition.
8775         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8776         if it is fixed.
8777         (Output_data::address_and_file_offset_have_reset_values): New method
8778         definition.
8779         (Output_data::do_address_and_file_offset_have_reset_values): New method
8780         definition.
8781         (Output_data::set_data_size): Check that data size is not fixed.
8782         (Output_data::fix_data_size): New method definition.
8783         (Output_data::is_data_size_fixed_): New data member.
8784         (Output_section_headers::set_final_data_size): New method definition.
8785         (Output_section_headers::do_size): New method declaration.
8786         (Output_segment_headers::set_final_data_size): New method definition.
8787         (Output_segment_headers::do_size): New method declaration.
8788         (Output_file_header::set_final_data_size)::New method definition.
8789         (Output_file_header::do_size)::New method declaration.
8790         (Output_section_data::Output_section_data): Add new parameter
8791         is_data_size_fixed and use it to fix data size.
8792         (Output_data_const::Output_data_const): Adjust call to base class
8793         constructor and fix data size.
8794         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8795         base class constructor and fix data size.
8796         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8797         base class constructor and fix data size.
8798         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8799         class constructor and fix data size.
8800         (Output_data_group::set_final_data_size): New method definition.
8801         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8802         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8803         class constructor and fix data size.
8804         (Output_relaxed_input_section): New class definition.
8805         (Output_section::Simple_input_section): New class definition.
8806         (Output_section::get_input_sections): Adjust parameter list.
8807         (Output_section::add_input_section_for_script): Same.
8808         (Output_section::save_states, Output_section::restore_states,
8809         Output_section::do_address_and_file_offset_have_reset_values,
8810         (Output_section::Input_section::Input_section): Handle
8811         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8812         Output_relaxed_input_section.
8813         (Output_section::Input_section::is_input_section,
8814         Output_section::Input_section::set_output_section): Handle relaxed
8815         input section.
8816         (Output_section::Input_section::is_relaxed_input_section,
8817         Output_section::Input_section::output_section_data,
8818         Output_section::Input_section::relaxed_input_section): New method
8819         definitions.
8820         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8821         value.
8822         (Output_section::Input_section::u1_): Update comments.
8823         (Output_section::Input_section::u2_): Add new union member poris.
8824         (Output_section::Checkpoint_output_section): New classs definition.
8825         (Output_section::relax_input_section): New method declaration.
8826         (Output_section::checkpoint_): New data member.
8827         (Output_segment): Update comments.
8828         (Output_segment::Output_segment): Un-privatize copy constructor.
8829         (Output_segment::operator=): Un-privatize.
8830         * script-sections.cc (Output_section_element::Input_section_list):
8831         Change element type to Output_section::Simple_input_section.
8832         (Output_section_element_dot_assignment::set_section_addresses):
8833         Register output section data for relaxation clean up.
8834         (Output_data_exression::Output_data_expression): Adjust call to base
8835         constructor to fix data size.
8836         (Output_section_element_data::set_section_addresses): Register
8837         Output_data_expression object for relaxation clean up.
8838         (struct Input_section_info): Replace Relobj pointer and section index
8839         pair with Output_section::Simple_input_section and Convert struct to a
8840         class.
8841         (Input_section_sorter::operator()): Adjust access to
8842         Input_section_info data member to use accessors.
8843         (Output_section_element_input::set_section_addresses): Use layout
8844         parameter.  Adjust code to use Output_section::Simple_input_section
8845         and Input_secction_info classes.  Register filler for relaxation
8846         clean up.
8847         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8848         and section index pair with Output_section::Simple_input_section
8849         class.  Adjust code accordingly.
8850         (Phdrs_element::release_segment): New method definition.
8851         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8852         segment list.
8853         (Script_sections::release_segments): New method definition.
8854         * gold/script-sections.h (Script_sections::release_segments): New
8855         method declaration.
8856         * gold/target.h (Target::may_relax, Target::relax,
8857         Target::do_may_relax, Target::do_relax): New method definitions.
8858
8859 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8860
8861         * arm.cc (has_signed_unsigned_overflow): New function.
8862         (Arm_relocate_functions::abs8): New function.
8863         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8864         (Target_arm::Scan::global): Likewise.
8865         (Target_arm::relocate::relocate): Likewise.
8866         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8867         Likewise.
8868
8869 2009-09-16  Cary Coutant  <ccoutant@google.com>
8870
8871         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8872         * testsuite/Makefile.in: Regenerate.
8873
8874 2009-09-11  Nick Clifton  <nickc@redhat.com>
8875
8876         * po/gold.pot: Updated by the Translation project.
8877
8878 2009-09-08  Cary Coutant  <ccoutant@google.com>
8879
8880         * output.cc (Output_file::open): Add execute permission to empty file.
8881         * testsuite/Makefile.am (permission_test): New test.
8882         * testsuite/Makefile.in: Regenerate.
8883
8884 2009-09-02  Ian Lance Taylor  <iant@google.com>
8885
8886         * output.cc (Output_file::resize): Call map_no_anonymous rather
8887         than map.
8888
8889 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8890
8891         * gold.cc: Include "incremental.h".
8892         (queue_initial_tasks): Call Incremental_checker methods.
8893         * incremental.cc: Include "output.h".
8894         (Incremental_checker::can_incrementally_link_output_file): New
8895         method.
8896         * incremental.h (Incremental_checker): New class.
8897
8898         * output.cc (Output_file::open_for_modification): New method.
8899         (Output_file::map_anonymous): Changed return type to bool.  Record
8900         map in base_ field.
8901         (Output_file::map_no_anonymous): New method, broken out of map.
8902         (Output_file::map): Use map_no_anonymous and map_anonymous.
8903         * output.h (class Output_file): Update declarations.
8904
8905 2009-08-24  Cary Coutant  <ccoutant@google.com>
8906
8907         * options.h (Command_line::Pre_options): New class.
8908         (Command_line::pre_options): New member.
8909         * options.cc (gold::options::ready_to_register): New variable.
8910         (One_option::register_option): Do nothing if not registering options.
8911         Assert if same short option registered twice.
8912         (General_options::General_options): Turn off option registration when
8913         done constructing.
8914         (Command_line::Pre_options::Pre_options): New constructor.
8915
8916 2009-08-24  Cary Coutant  <ccoutant@google.com>
8917
8918         * options.h (General_options::no_keep_memory): Remove incorrect
8919         short option.
8920
8921 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8922
8923         * Makefile.am (am__skiplex, am__skipyacc): New.
8924         * Makefile.in: Regenerate.
8925
8926 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8927
8928         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8929         (INCLUDES): ... this.
8930         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8931         (AM_CPPFLAGS): Renamed from ...
8932         (INCLUDE): ... this.
8933         * Makefile.in, testsuite/Makefile.in: Regenerate.
8934
8935         * Makefile.in: Regenerate.
8936         * aclocal.m4: Likewise.
8937         * config.in: Likewise.
8938         * configure: Likewise.
8939         * testsuite/Makefile.in: Likewise.
8940
8941         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8942         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8943         * Makefile.in: Regenerate.
8944         * testsuite/Makefile.in: Regenerate.
8945
8946 2009-08-19  Cary Coutant  <ccoutant@google.com>
8947
8948         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8949         symbols in shared libraries overridden by hidden or internal symbols
8950         in the main program.
8951
8952 2009-08-19  Chris Demetriou  <cgd@google.com>
8953
8954         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8955         checking source file names in error messages.
8956
8957 2009-08-18  Doug Kwan  <dougkwan@google.com>
8958
8959         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8960         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8961         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8962         an elfcpp::Ehdr as parameter.
8963         * object.cc (Object::set_target): Remove the version that looks up
8964         a target and sets it.
8965         (Sized_relobj::setup): Take a Target object instead of
8966         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8967         (make_elf_sized_object): Find target and ask target to
8968         make an ELF object.
8969         * object.h: (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.
8973         * target.cc: Include dynobj.h.
8974         (Target::do_make_elf_object_implementation): New.
8975         (Target::do_make_elf_object): New.
8976         * target.h (Target::make_elf_object): New template declaration.
8977         (Target::do_make_elf_object): New method declarations.
8978         (Target::do_make_elf_object_implementation): New template declaration.
8979
8980 2009-08-14  Ian Lance Taylor  <iant@google.com>
8981
8982         * gold.h (FUNCTION_NAME): Define.
8983         (gold_unreachable): Use FUNCTION_NAME.
8984
8985 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8986
8987         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8988         symbol in the --keep-unique list is not found.
8989
8990 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8991
8992         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8993         been maked as --keep-unique.
8994         (Icf::unfold_section): New function.
8995         * icf.h (Icf::unfold_section): New function.
8996         * options.h (General_options::keep_unique): New option.
8997         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8998         * testsuite/Makefile.in: Regenerate.
8999         * testsuite/icf_keep_unique_test.sh: New file.
9000         * testsuite/icf_keep_unique_test.cc: New file.
9001
9002 2009-08-12  Cary Coutant  <ccoutant@google.com>
9003
9004         PR 10471
9005         * resolve.cc (Symbol_table::resolve): Check for references from
9006         dynamic objects to hidden and internal symbols.
9007         * testsuite/Makefile.am (hidden_test.sh): New test.
9008         * testsuite/Makefile.in: Regenerate.
9009         * testsuite/hidden_test.sh: New script.
9010         * testsuite/hidden_test_1.c: New test source.
9011         * testsuite/hidden_test_main.c: New test source.
9012
9013 2009-08-11  Doug Kwan  <dougkwan@google.com>
9014
9015         * arm.cc: Update comments.
9016         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
9017         segment to locate the .ARM.exidx section if present.
9018
9019 2009-08-09  Doug Kwan  <dougkwan@google.com>
9020
9021         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
9022         patch.
9023
9024 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
9025         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
9026         compiler warnings.
9027
9028 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
9029
9030         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
9031         valid tls_segment only for non-debug-section relocations.
9032         * testsuite/Makefile.am: Add gc_tls_test.
9033         * testsuite/Makefile.in: Regenerate.
9034         * testsuite/gc_tls_test.cc: New file.
9035         * testsuite/gc_tls_test.sh: New file.
9036
9037 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
9038
9039         * icf.cc: New file.
9040         * icf.h: New file.
9041         * Makefile.am (CCFILES): Add icf.cc.
9042         (HFILES): Add icf.h
9043         * Makefile.in: Regenerate.
9044         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
9045         * gc.h (gc_process_relocs): Populate lists used by icf to contain
9046         section, symbol and addend information for the relocs.
9047         * gold.cc (queue_middle_tasks): Call identical code folding.
9048         * gold.h: Add defines for multimap.
9049         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
9050         to the call of finalize_local_symbols.
9051         * main.cc (main): Create object of class Icf.
9052         * object.cc (Sized_relobj::do_layout): Allow this function to be
9053         called twice during icf.
9054         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
9055         to sections marked as identical by icf.
9056         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
9057         when available.
9058         (Sized_relobj::do_section_entsize): New function.
9059         * object.h (Object::section_entsize): New function.
9060         (Object::do_section_entsize): New pure virtual function.
9061         (Relobj::finalize_local_symbols): Add new parameter.
9062         (Relobj::do_section_entsize): New function.
9063         * options.h (General_options::icf): New option.
9064         (General_options::icf_iterations): New option.
9065         (General_options::print_icf_sections): New option.
9066         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
9067         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
9068         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
9069         icf.
9070         * symtab.cc (Symbol_table::is_section_folded): New function.
9071         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
9072         to sections marked as identical by icf.
9073         * symtab.h (Symbol_table::set_icf): New function.
9074         (Symbol_table::icf): New function.
9075         (Symbol_table::is_section_folded): New function.
9076         (Symbol_table::icf_): New data member.
9077         * target-reloc.h (relocate_section): Ignore sections folded by icf.
9078         * testsuite/Makefile.am: Add commands to build icf_test.
9079         * testsuite/Makefile.in: Regenerate.
9080         * testsuite/icf_test.sh: New file.
9081         * testsuite/icf_test.cc: New file.
9082
9083 2009-07-24  Chris Demetriou  <cgd@google.com>
9084
9085         * layout.cc (is_compressible_debug_section): Fix incorrect
9086         comment about compressed section names.
9087
9088 2009-07-20  Ian Lance Taylor  <ian@airs.com>
9089
9090         PR 10419
9091         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
9092
9093 2009-07-16  Ian Lance Taylor  <iant@google.com>
9094
9095         PR 10400
9096         * layout.h: #include <map>.
9097         (class Kept_section): Change from struct to class.  Add accessors
9098         and setters.  Add section size to Comdat_group mapping.  Change
9099         Comdat_group to std::map.  Add is_comdat_ field.  Add
9100         linkonce_size field in union.
9101         (class Layout): Update declaration of find_or_add_kept_section.
9102         Don't declare find_kept_object.
9103         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
9104         parameter.  Add object, shndx, is_comdat, and is_group_name
9105         parameters.  Change all callers.  Adjust for new Kept_section.
9106         (Layout::find_kept_object): Remove.
9107         * object.cc (Sized_relobj::include_section_group): Update use of
9108         Kept_section.  Rename secnum to shndx.  Only record
9109         Kept_comdat_section if sections are the same size.
9110         (Sized_relobj::include_linkonce_section): Update use of
9111         Kept_section.  Only record Kept_comdat_section if sections are the
9112         same size.  Set size of linkonce section.
9113         (Sized_relobj::map_to_kept_section): Update call to
9114         get_kept_comdat_section.
9115         * object.h (class Sized_relobj): Rename fields in
9116         Kept_comdat_section to drop trailing underscores; change object
9117         field to Relobj*.  Change Kept_comdat_section_table to store
9118         struct rather than pointer.
9119         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
9120         Add kept_object and kept_shndx parameters.  Change all callers.
9121         (Sized_relobj::get_kept_comdat_section): Change return type to
9122         bool.  Add kept_object and kept_shndx parameters.  Change all
9123         callers.
9124         * plugin.cc (Pluginobj::include_comdat_group): Update call to
9125         Layout::find_or_add_kept_section.
9126
9127 2009-07-09  Ian Lance Taylor  <iant@google.com>
9128
9129         * merge.cc (Object_merge_map::initialize_input_to_output_map):
9130         Reserve space in the hash table.
9131
9132 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
9133
9134         * fileread.cc (File_read::get_mtime): New method.
9135         * fileread.h (Timespec): New structure.
9136         (File_read::get_mtime): New method.
9137         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
9138         Renamed from timestamp_nsec.
9139         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
9140         Elf_Xword.
9141         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
9142         timestamp_nsec.
9143         (Incremental_inputs::report_archive): Save mtime; style fix.
9144         (Incremental_inputs::report_obejct): Save mtime; style fix.
9145         (Incremental_inputs::report_script): Save mtime; style fix.
9146         (Incremental_inputs::finalize_inputs): Style fix.
9147         (Incremental_inputs::finalize): Style fix.
9148         (Incremental_inputs::create_input_section_data): Store inputs
9149         mtime.
9150         * incremental.h (Incremental_inputs::report_script): Add mtime
9151         argument.
9152         (Incremental_inputs::Input_info::Input_info): Intialize only one
9153         union member.
9154         (Incremental_inputs::Input_info::archive): Move to nameless
9155         union.
9156         (Incremental_inputs::Input_info::obejct): Move to nameless union.
9157         (Incremental_inputs::Input_info::script): Move to nameless union.
9158         (Incremental_inputs::mtime): New field.
9159         * script.cc (read_input_script): Pass file mtime to
9160         Incremental_input.
9161         * script.h (Script_info::inputs): Style fix.
9162
9163 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9164
9165         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9166         instead of 32.
9167
9168 2009-06-24  Ian Lance Taylor  <iant@google.com>
9169
9170         PR 10156
9171         * layout.cc (Layout::choose_output_section): If we find an
9172         existing section, update the flags.
9173         (Layout::create_notes): New function, broken out of
9174         Layout::finalize.
9175         (Layout::finalize): Don't create note sections.
9176         (Layout::create_note): Don't crash if linker script discards
9177         section.
9178         (Layout::create_gold_note): Likewise.
9179         (Layout::create_build_id): Likewise.  Don't set
9180         after_input_sections on the section.
9181         (Layout::create_executable_stack_info): Remove target parameter.
9182         Change caller.
9183         * layout.h (class Layout): Declare create_notes.  Update
9184         declaration of create_executable_stack_info.
9185         * gold.cc (queue_middle_tasks): Call create_notes.
9186         * output.cc (Output_section::update_flags_for_input_section): Move
9187         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9188         invalid.
9189         * output.h (Output_data::mark_address_invalid): New function.
9190         (class Output_section): Only declare, not define,
9191         update_flags_for_input_section.  Remove set_flags.
9192
9193 2009-06-24  Ian Lance Taylor  <iant@google.com>
9194
9195         * script-sections.cc (Output_section_definition::
9196         set_section_addresses): Rename shadowing local load_address to
9197         laddr.
9198
9199 2009-06-24  Ian Lance Taylor  <iant@google.com>
9200
9201         PR 10244
9202         * reloc.cc (relocate_sections): Skip empty relocation sections.
9203
9204 2009-06-23  Ian Lance Taylor  <iant@google.com>
9205
9206         PR 10156
9207         * layout.cc (Layout::create_note): Use choose_output_section
9208         rather than make_output_section.
9209
9210 2009-06-23  Ian Lance Taylor  <iant@google.com>
9211
9212         PR 10237
9213         * options.cc (General_options::parse_V): Set printed_version_.
9214         (General_options::General_options): Initialize printed_version_.
9215         * options.h (class General_options): Add printed_version_ field.
9216         * gold.cc (queue_initial_tasks): If there are no input files,
9217         don't give a fatal error if we printed the version information.
9218         (queue_middle_tasks): If using -r with a shared object, give a
9219         fatal error rather than an ordinary error.
9220
9221 2009-06-23  Ian Lance Taylor  <iant@google.com>
9222
9223         PR 10219
9224         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9225         (Layout::make_output_section): Set have_stabstr_section_ if we see
9226         a .stab*str section.
9227         (Layout::finalize): Call link_stabs_sections.
9228         (Layout::link_stabs_sections): New file.
9229         * layout.h (class Layout): Add have_stabstr_section_ field.
9230         Declare link_stabs_sections.
9231
9232 2009-06-23  Doug Kwan  <dougkwan@google.com>
9233
9234         * Makefile.am (libgold_a_LIBADD): New.
9235         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9236         * Makefile.in: Regenerate.
9237         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9238         * configure: Regenerate.
9239         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9240         * fileread.cc: Include sys/state.h
9241         * gold.h: Declare memmem and strndup if found missing.
9242         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9243
9244 2009-06-23  Ian Lance Taylor  <iant@google.com>
9245
9246         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9247         * configure: Rebuild.
9248
9249 2009-06-23  Ian Lance Taylor  <iant@google.com>
9250
9251         PR 10147
9252         * object.cc (Object::section_contents): Don't try to get a view if
9253         the section has length zero.
9254         (Object::handle_gnu_warning_section): If the section is empty, use
9255         the name of the section as the warning.
9256
9257 2009-06-23  Ian Lance Taylor  <iant@google.com>
9258
9259         PR 10133
9260         * stringpool.h (class Stringpool_template): Add optimize_ field.
9261         (Stringpool_template::set_optimize): New function.
9262         * stringpool.cc (Stringpool_template::Stringpool_template):
9263         Initialize optimize_ field.
9264         (Stringpool_template::set_string_offsets): Test local optimize
9265         fild rather than parameter.
9266         * layout.cc (Layout::Layout): Call set_optimize on the section
9267         name stringpool.
9268
9269 2009-06-22  Ian Lance Taylor  <iant@google.com>
9270
9271         PR 10030
9272         * yyscript.y: Parse TARGET.
9273         * script.cc (script_set_target): New function.
9274         * script-c.h (script_set_target): Declare.
9275         * options.cc (General_options::string_to_object_format): Rename
9276         from string_to_object_format in anonymous namespace.  Change
9277         callers.
9278         * options.h (class General_options): Declare
9279         string_to_object_format.
9280
9281 2009-06-22  Ian Lance Taylor  <iant@google.com>
9282
9283         * script-sections.cc (Script_sections::create_segments): Don't put
9284         program headers in a PT_LOAD segment if -n or -N.
9285
9286 2009-06-22  Ian Lance Taylor  <iant@google.com>
9287
9288         PR 10141
9289         * options.h (class General_options): Add -z lazy and -z now.  Sort
9290         -z options into alphabetical order.
9291         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9292
9293 2009-06-21  Ian Lance Taylor  <iant@google.com>
9294
9295         * layout.cc (Layout::make_output_section): Call
9296         Target::new_output_section.
9297         (Layout::attach_allocated_section_to_segment): Put large section
9298         sections in a separate load segment with the large segment flag
9299         set.
9300         (Layout::segment_precedes): Sort large data segments after other
9301         load segments.
9302         (align_file_offset): New static function.
9303         (Layout::set_segment_offsets): Use align_file_offset.
9304         * output.h (class Output_section): Add is_small_section_ and
9305         is_large_section_ fields.
9306         (Output_section::is_small_section): New function.
9307         (Output_section::set_is_small_section):  New function.
9308         (Output_section::is_large_section): New function.
9309         (Output_section::set_is_large_section): New function.
9310         (Output_section::is_large_data_section): New function.
9311         (class Output_segment): Add is_large_data_segment_ field.
9312         (Output_segment::is_large_data_segment): New function.
9313         (Output_segment::set_is_large_data_segment): New function.
9314         * output.cc (Output_section::Output_section): Initialize new
9315         fields.
9316         (Output_segment::Output_segment): Likewise.
9317         (Output_segment::add_output_section): Add assertion that large
9318         data sections always go in large data segments.  Force small data
9319         sections to the end of the list of data sections.  Force small BSS
9320         sections to the start of the list of BSS sections.  For large BSS
9321         sections to the end of the list of BSS sections.
9322         * symtab.h (class Symbol): Declare is_common_shndx.
9323         (Symbol::is_defined): Check Symbol::is_common_shndx.
9324         (Symbol::is_common): Likewise.
9325         (class Symbol_table): Define enum Commons_section_type.  Update
9326         declarations.  Add small_commons_ and large_commons_ fields.
9327         * symtab.cc (Symbol::is_common_shndx): New function.
9328         (Symbol_table::Symbol_table): Initialize new fields.
9329         (Symbol_table::add_from_object): Put small and large common
9330         symbols in the right list.
9331         (Symbol_table::sized_finalized_symbol): Check
9332         Symbol::is_common_shndx.
9333         (Symbol_table::sized_write_globals): Likewise.
9334         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9335         common symbol lists.  Don't call do_allocate_commons_list if the
9336         list is empty.
9337         (Symbol_table::do_allocate_commons_list): Remove is_tls
9338         parameter.  Add comons_section_type parameter.  Change all
9339         callers.  Handle small and large common symbols.
9340         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9341         Symbol::is_common_shndx.
9342         * resolve.cc (symbol_to_bits): Likewise.
9343         * target.h (Target::small_common_shndx): New function.
9344         (Target::small_common_section_flags): New function.
9345         (Target::large_common_shndx): New function.
9346         (Target::large_common_section_flags): New function.
9347         (Target::new_output_section): New function.
9348         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9349         small_common_section_flags, and large_common_section_flags
9350         fields.
9351         (Target::do_new_output_section): New virtual function.
9352         * arm.cc (Target_arm::arm_info): Initialize new fields.
9353         * i386.cc (Target_i386::i386_info): Likewise.
9354         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9355         Likewise.
9356         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9357         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9358         (Target_x86_64::do_new_output_section): New function.
9359         * configure.ac: Define conditional MCMODEL_MEDIUM.
9360         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9361         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9362         (large_LDFLAGS): Define.
9363         * testsuite/large.c: New file.
9364         * testsuite/testfile.cc (Target_test::test_target_info):
9365         Initialize new fields.
9366         * configure, testsuite/Makefile.in: Rebuild.
9367
9368 2009-06-05  Doug Kwan  <dougkwan@google.com>
9369
9370         * Makefile.am (CCFILES): Add target.cc.
9371         * Makefile.in: Regenerate.
9372         * i386.cc (class Target_i386): Define new virtual method to
9373         override do_is_local_label_name in parent.
9374         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9375         local symbols if --discard-locals or -X is given.
9376         * options.h (class General_options): Declare new options
9377         '--discard-locals' and '-X' for discarding locals.
9378         * target.h (class Target): Define new methods is_local_label_name.
9379         Declare new virtual method do_is_local_label_name.
9380         * target.cc: New file.
9381         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9382         (check_SCRIPTS): Add discard_locals_test.sh.
9383         (check_DATA): Add discard_local_tests.syms.
9384         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9385         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9386         * testsuite/Makefile.in: Regenerate.
9387         * testsuite/discard_locals_test.c: New file.
9388         * testsuite/discard_locals_test.sh: Same.
9389
9390 2009-06-05  Doug Kwan  <dougkwan@google.com>
9391
9392         * object.cc (Sized_relobj::Sized_relobj): Initialize
9393         discarded_eh_frame_shndx_ to -1U.
9394         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9395         section.
9396         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9397         a discarded .eh_frame section.
9398         (Sized_relobj::do_finalize_local_symbols): Ditto.
9399         * object.h (class Sized_relobj): Declare new member
9400         discarded_eh_frame_shndx_.
9401         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9402         (local_labels_test.o, local_labels_test): New rules.
9403         * testsuite/Makefile.in: Regenerate.
9404
9405 2009-06-04  Doug Kwan  <dougkwan@google.com>
9406
9407         * layout.cc (Layout::section_name_mapping): Add mapping for
9408         special ARM sections.
9409
9410 2009-06-03  Doug Kwan  <dougkwan@google.com>
9411
9412         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9413         (utils::has_overflow): Same.
9414
9415 2009-06-03  Ian Lance Taylor  <iant@google.com>
9416
9417         * layout.cc (Layout::section_name_mapping): New array, replacing
9418         Layout::linkonce_mapping.
9419         (Layout::section_name_mapping_count): New variable, replacing
9420         Layout::linkonce_mapping_count.
9421         (Layout::linkonce_output_name): Remove.
9422         (Layout::output_section_name): Rewrite.
9423         * layout.h (class Layout): Rename Linkonce_mapping to
9424         Section_name_mapping, linkonce_mapping to section_name_mapping,
9425         linkonce_mapping_count to section_name_mapping_count.  Don't
9426         declare linkonce_output_name.
9427
9428 2009-06-03  Doug Kwan  <dougkwan@google.com>
9429
9430         * gold/arm.cc (namespace utils): New.
9431         (Target_arm::reloc_is_non_pic): Define new method.
9432         (class Arm_relocate_functions): New.
9433         (Target_arm::Relocate::relocate): Handle relocation types used by
9434         Android.
9435
9436 2009-06-03  Ian Lance Taylor  <iant@google.com>
9437
9438         * arm.cc (Target_arm::scan::global): Use || instead of |.
9439
9440 2009-06-02  Doug Kwan  <dougkwan@google.com>
9441
9442         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9443         issued_non_pic_error_.
9444         (class Target_arm::Scan): Declare new method check_non_pic.
9445         Define new method symbol_needs_plt_entry.
9446         Declare new data member issued_non_pic_error_.
9447         (class Target_arm::Relocate): Declare new method
9448         should_apply_static_reloc.
9449         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9450         (Target_arm::Scan::check_non_pic): Define new method.
9451         (Target_arm::Scan::local): Handle a small subset of reloc types used
9452         by Android.
9453         (Target_arm::Scan::local): Same.
9454         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9455
9456 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9457
9458         * incremental.cc (Incremental_inputs::report_command_line): Filter
9459         out --incremental-* options.
9460
9461 2009-05-29  Doug Kwan  <dougkwan@google.com>
9462
9463         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9464         template class.
9465         (class Target_arm): Update comment.
9466         (Target_arm::Target_arm): Initialize new data members GOT_,
9467         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9468         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9469         and Target_arm::rel_dyn_section.
9470         Declare new_enum Target_arm::Got_type.
9471         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9472         and DYNBSS_.
9473         Update commments for member do_dynsym_value.
9474         (Target_arm::got_size, Target_arm::plt_section,
9475         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9476         new methods inside class defintion.
9477         (Target_arm::got_section): Define new method.
9478         (Target_arm::rel_dyn_section): Same.
9479         (Output_data_plt_arm): New template class.
9480         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9481         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9482         (Output_data_plt_arm::add_entry): Same.
9483         (Output_data_plt_arm::first_plt_entry): Define new
9484         static data member for PLT instruction template.
9485         (Output_data_plt_arm::plt_entry): Same.
9486         (Output_data_plt_arm::do_write): Define new method.
9487         (Target_arm::make_plt_entry): Same.
9488         (Target_arm::do_finalize_sections): Same.
9489         (Target_arm::do_dynsym_value): Same.
9490
9491 2009-05-28  Doug Kwan  <dougkwan@google.com>
9492
9493         * Makefile.am (TARGETSOURCES): Add arm.cc.
9494         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9495         * Makefile.in: Regenerate.
9496         * arm.cc: New file.
9497         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9498
9499 2009-05-26  Doug Kwan  <dougkwan@google.com>
9500
9501         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9502         (General_options::check_excluded_libs): Strip off directories in
9503         archive name before matching like GNU ld does.
9504         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9505         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9506         (exclude_libs_test_LDFLAGS): Add linker option
9507         -Wl,--exclude-libs,libexclude_libs_test_3
9508         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9509         an explicit archive without using -l.
9510         (alt/libexclude_libs_test_3.a): New make rule.
9511         * testsuite/Makefile.in: Regenerate.
9512         * testsuite/exclude_libs_test.c : Declare lib3_default().
9513         (main): Call it.
9514         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9515         * exclude_libs_test_3.c: New file.
9516
9517 2009-05-26  Nick Clifton  <nickc@redhat.com>
9518
9519         * po/id.po: New Indonesian translation.
9520         * po/gold.pot: Updated template file.
9521
9522 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9523
9524         * testsuite/Makefile.am: Add -ffunction-sections to compile
9525         gc_comdat_test files.  Add -Wl,--gc-sections to build
9526         gc_comdat_test.
9527         * testsuite/Makefile.in: Regenerate.
9528         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9529
9530 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9531
9532         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9533         kept comdat section was garbage collected.
9534         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9535         * testsuite/Makefile.in: Regenerate.
9536         * testsuite/gc_comdat_test.sh: New file.
9537         * testsuite/gc_comdat_test_1.cc: New file.
9538         * testsuite/gc_comdat_test_2.cc: New file.
9539
9540 2009-05-19  Doug Kwan  <dougkwan@google.com>
9541
9542         * archive.cc (Archive::Archive): Move constructor from archive.h
9543         to here.  Initialize no_export_.
9544         (Archive::get_elf_object_for_member): Set no_export flag of object.
9545         * archive.h (Archive::Archive): Move constructor body to
9546         archive.cc.
9547         (Archive::no_export): New method.
9548         (Archive::no_export_): New field.
9549         * object.h (Object::Object): Initialize no_export_ to false.
9550         (Object::no_export, Object::set_no_export): New methods.
9551         (Object::no_export_): New field.
9552         * options.cc (General_options::parse_exclude_libs): New method.
9553         (General_options::check_excluded_libs) Same.
9554         * options.h (exclude_libs): New option.
9555         (General_options::check_excluded_libs): New method declaration.
9556         (General_options::excluded_libs_): New field.
9557         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9558         default or protected visibility if an object has no-export flag set.
9559         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9560         (check_SCRIPTS): Add exclude_libs_test.sh.
9561         (check_DATA): Add exclude_libs_test.syms.
9562         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9563         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9564         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9565         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9566         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9567         libexclude_libs_test_2.a): New rules.
9568         * testsuite/Makefile.in: Regenerate.
9569         * testsuite/exclude_libs_test.c: New file.
9570         * testsuite/exclude_libs_test.sh: Ditto.
9571         * testsuite/exclude_libs_test_1.c: Ditto.
9572         * testsuite/exclude_libs_test_2.c: Ditto.
9573
9574 2009-05-15  Ian Lance Taylor  <iant@google.com>
9575
9576         * configure.ac: Check for declarations for cases where libiberty.h
9577         checks HAVE_DECL_xxx.
9578         * configure, config.in: Rebuild.
9579
9580 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9581
9582         * gold.h (Incremental_argument_list): Remove (invalid) forward
9583         declaration.
9584         * incremental.cc (Incremental_inputs::report_achive): New method.
9585         (Incremental_inputs::report_object): New method.
9586         (Incremental_inputs::report_script): New method.
9587         (Incremental_inputs::finalize_inputs): New method.
9588         (Incremental_inputs::finalize): Call finalize_inputs().
9589         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9590         Create inputs entries.
9591         * incremental.h (Incremental_input_type): New enum.
9592         (Incremental_inputs::Incremental_input): Initialize new fields.
9593         (Incremental_inputs::report_inputs): New method.
9594         (Incremental_inputs::report_achive): New method.
9595         (Incremental_inputs::report_object): New method.
9596         (Incremental_inputs::report_script): New method.
9597         (Incremental_inputs::finalize_inputs): New method.
9598         (Incremental_inputs::Input_info): New struct.
9599         (Incremental_inputs::Input_info_map): New typedef.
9600         (Incremental_inputs::lock_): New field.
9601         (Incremental_inputs::Inputs_): New field.
9602         (Incremental_inputs::Inputs_map): New field.
9603         * main.cc (main): Call Incremental_input::report_inputs.
9604         * options.h (Input_argument_list): Typedef moved from
9605         Input_arguments.
9606         (Input_file_group::Files): Remove, use ::Input_argument_list.
9607         (Input_file_group::Input_argument_list): Remove, use
9608         ::Input_argument_list.
9609         * plugin.cc (Plugin_manager::add_input_file): Add error in
9610         incremental build.
9611         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9612         functions.
9613         * script.cc (read_input_script): Call
9614         Incremental_input::report_script.
9615         * script.h (Script_info): New class.
9616
9617 2009-04-27  Ian Lance Taylor  <iant@google.com>
9618
9619         * x86_64.cc (do_adjust_output_section): Set entsize to
9620         plt_entry_size.
9621
9622 2009-04-23  Elliott Hughes  <enh@google.com>
9623
9624         * output.cc (Output_file::close): After short writes, continue
9625         writing from the correct offset in the buffer being written.
9626
9627 2009-04-23  Chris Demetriou  <cgd@google.com>
9628
9629         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9630         * configure: Regenerate.
9631         * config.in: Regenerate.
9632         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9633         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9634
9635 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9636
9637         * incremental.cc (Incremental_inputs_header_data): Renamed from
9638         Incremental_input_header_data.
9639         (Incremental_inputs_header_data::data_size): New field.
9640         (Incremental_inputs_header_data::put_input_file_count): Renamed
9641         from input_file_count.
9642         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9643         from command_line_offset.
9644         (Incremental_inputs_header_data::put_reserved): Renamed from
9645         put_reserved.
9646         (Incremental_inputs_entry_data): Renamed from
9647         Incremental_input_entry_data.
9648         (Incremental_inputs_entry_data::data_size): New field.
9649         (Incremental_inputs::report_command_line): New method.
9650         (Incremental_inputs::finalize): New method.
9651         (Incremental_inputs::create_incremental_inputs_data): New method.
9652         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9653         * incremental.h: New file.
9654         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9655        (Layout::finalize): Create incremental inputs section in
9656         incremental builds.
9657        (Layout::create_incremental_info_sections): New method.
9658         * layout.h (Layout::incremental_inputs): New method.
9659        (Layout::create_incremental_info_sections): New method.
9660        (Layout::incremental_inputs_): New field.
9661         * main.cc (main): Notify Incremental_input of the command line.
9662
9663 2009-04-01  Ian Lance Taylor  <iant@google.com>
9664             Mikolaj Zalewski  <mikolajz@google.com>
9665
9666         * gold.h (reserve_unordered_map): Define, three versions, one for
9667         each version of Unordered_map.
9668         * layout.cc (Layout::Layout): Remove options parameter.  Add
9669         number_of_input_files parameter.  Don't initialize options_.
9670         Initialize number_of_input_files_ and resized_signatures_.  Move
9671         sections_are_attached_.
9672         (Layout::layout_group): Reserve space for group_signatures_.
9673         (Layout::find_or_add_kept_section): Change name parameter to be a
9674         reference.  Resize signatures_ map when it gets large enough.
9675         (Layout::layout_eh_frame): Use parameters->options() instead of
9676         this->options_.
9677         (Layout::make_output_section): Likewise.
9678         (Layout::attach_allocated_section_to_segment): Likewise.
9679         (Layout::finalize, Layout::create_executable_stack): Likewise.
9680         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9681         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9682         * layout.h (class Layout): Update declarations.  Remove options_
9683         field.  Add number_of_input_files_ and resized_signatures_
9684         fields.  Move sections_are_attached_ field.
9685         * main.cc (main): Pass number of input files to Layout
9686         constructor.  Don't pass options.
9687
9688 2009-03-30  Ian Lance Taylor  <iant@google.com>
9689
9690         * ffsll.c (ffsll): Correct implementation.
9691
9692 2009-03-27  Ian Lance Taylor  <iant@google.com>
9693
9694         * ffsll.c: New file.
9695         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9696         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9697         * ftruncate.c (ftruncate): Declare before definition.
9698         * mremap.c (mremap): Likewise.
9699         * pread.c (pread): Likewise.
9700         * configure, Makefile.in, config.in: Rebuild.
9701
9702         * mremap.c: New file.
9703         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9704         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9705         (mremap): Declare if HAVE_MREMAP is not defined.
9706         * configure, Makefile.in, config.in: Rebuild.
9707
9708 2009-03-27  Cary Coutant  <ccoutant@google.com>
9709
9710         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9711         position independent.
9712         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9713         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9714
9715 2009-03-24  Cary Coutant  <ccoutant@google.com>
9716
9717         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9718         an executable.
9719         (needs_dynamic_reloc): Likewise.
9720
9721 2009-03-24  Ian Lance Taylor  <iant@google.com>
9722
9723         * yyscript.y (file_cmd): Recognize EXTERN.
9724         (extern_name_list, extern_name_list_body): New nonterminals.
9725         * script.cc (script_add_extern): Define.
9726         * script-c.h (script_add_extern): Declare.
9727
9728 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9729
9730         * object.cc (is_elf_object): Define.
9731         * object.h (is_elf_object): Declare.
9732         * archive.cc (Archive::get_elf_object_for_member): Call
9733         is_elf_object.
9734         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9735
9736 2009-03-24  Elliott Hughes  <enh@google.com>
9737
9738         * output.cc (Output_file::map_anonymous): Define.
9739         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9740         try an anonymous one.  Report the size if the mmap fails.
9741         * output.h (class Output_file): Declare map_anonymous.
9742
9743 2009-03-24  Ian Lance Taylor  <iant@google.com>
9744
9745         * target-select.cc (instantiate_target): Don't acquire the lock if
9746         the instantiated_target_ field has already been set.
9747
9748 2009-03-23  Ian Lance Taylor  <iant@google.com>
9749
9750         * gold-threads.h (class Initialize_lock): Define.
9751         * gold-threads.cc (class Initialize_lock_once): Define.
9752         (initialize_lock_control): New static variable.
9753         (initialize_lock_pointer): New static variable.
9754         (initialize_lock_once): New static function.
9755         (Initialize_lock::Initialize_lock): Define.
9756         (Initialize_lock::initialize): Define.
9757         * target-select.h: Include "gold-threads.h".
9758         (class Target_selector): Add lock_ and initialize_lock_ fields.
9759         Don't define instantiate_target, just declare it.
9760         * target-select.cc (Target_selector::Target_selector): Initialize
9761         new fields.
9762         (Target_selector::instantiate_target): Define.
9763         * descriptors.h: Include "gold-threads.h".
9764         (class Descriptors): Add initialize_lock_ field.
9765         * descriptors.cc (Descriptors::Descriptors): Initialize new
9766         field.
9767         (Descriptors::open): Use initialize_lock_ field
9768         * errors.h (class Errors): Add initialize_lock_ field.
9769         * errors.cc (Errors::Errors): Initialize new field.
9770         (Errors::initialize_lock): Use initialize_lock_ field.
9771         * powerpc.cc (class Target_selector_powerpc): Remove
9772         instantiated_target_ field.  In do_recognize call
9773         instantiate_target rather than do_instantiate_target.  In
9774         do_instantiate_target just allocate a new target.
9775         * sparc.cc (class Target_selector_sparc): Likewise.
9776
9777         * freebsd.h: New file.
9778         * i386.cc: Include "freebsd.h".
9779         (Target_i386): Derive from Target_freebsd rather than
9780         Sized_target.
9781         (Target_selector_i386): Derive from Target_selector_freebsd rather
9782         than Target_selector.
9783         * x86_64.cc: Include "freebsd.h".
9784         (Target_x86_64): Derive from Target_freebsd rather than
9785         Sized_target.
9786         (Target_selector_x86_64): Derive from Target_selector_freebsd
9787         rather than Target_selector.
9788         * target.h (class Target): Add adjust_elf_header and
9789         do_adjust_elf_header.
9790         * output.cc (Output_file_header:: do_sized_write): Call target
9791         adjust_elf_header routine.
9792         * configure.tgt: Set targ_osabi.
9793         * configure.ac: Define GOLD_DEFAULT_OSABI.
9794         * parameters.cc (Parameters::default_target): Pass
9795         GOLD_DEFAULT_OSABI to select_target.
9796         * target-select.h (class Target_selector): Make instantiate_target
9797         protected rather than private.
9798         * Makefile.am (HFILES): Add freebsd.h.
9799         * configure, Makefile.in, config.in: Rebuild.
9800
9801         * merge.cc (do_add_input_section): Correct pend value.  Change
9802         message about last entry not being null terminated from error to
9803         warning.
9804
9805 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9806
9807         * incremental.cc: New file.
9808         * Makefile.am (CCFILES): Add incremental.cc.
9809         * Makefile.in: Rebuild.
9810
9811 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9812
9813         * layout.cc (Layout::output_section_name): Preserve names
9814         of '.note.' sections.
9815
9816 2009-03-19  Ian Lance Taylor  <iant@google.com>
9817
9818         * descriptors.cc (Descriptors::open): Check that the options are
9819         valid before using them.
9820
9821 2009-03-18  Ian Lance Taylor  <iant@google.com>
9822
9823         * script-sections.h: Include <list>.
9824         (class Script_sections): Change Sections_elements from std::vector
9825         to std::list.  Typedef public Elements_iterator.  Add
9826         orphan_section_placement_, data_segment_align_start_, and
9827         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9828         field.
9829         * script-sections.cc (class Orphan_section_placement): New class.
9830         (class Sections_element): Add virtual functions is_relro and
9831         orphan_section_init.  Remove virtual function place_orphan_here.
9832         (class Output_section_definition): Add is_relro and
9833         orphan_section_init.  Remove place_orphan_here.
9834         (class Orphan_output_section): Likewise.
9835         (Script_sections::Script_sections): Update for field changes.
9836         (Script_sections::data_segment_align): Set saw_data_segment_align_
9837         and data_segment_align_start_, not data_segment_align_index.
9838         (Script_sections::data_segment_relro_end): Check
9839         saw_data_segment_align_.  Use data_segment_align_start_ rather
9840         than data_segment_align_index_.
9841         (Script_sections::place_orphan): Rewrite to use
9842         Orphan_section_placement.
9843
9844 2009-03-17  Ian Lance Taylor  <iant@google.com>
9845
9846         * archive.cc (Archive::add_symbols): Check for a version attached
9847         to the symbol name in the archive map.
9848         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9849         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9850         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9851         (ver_test_11.a): New target.
9852         * testsuite/Makefile.in: Rebuild.
9853
9854         * configure.ac: Check for chsize and posix_fallocate.  Replace
9855         ftruncate.
9856         * ftruncate.c: New file, from gnulib.
9857         * output.cc (posix_fallocate): Define dummy version if not
9858         HAVE_POSIX_FALLOCATE.
9859         (Output_file::map): Call posix_fallocate rather than lseek and
9860         write.
9861         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9862         * configure, Makefile.in, config.in: Rebuild.
9863
9864 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9865
9866         * layout.h (Layout::create_note): Add section_name parameter.
9867         * layout.cc (Layout::create_note): Likewise.
9868         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9869
9870 2009-03-17  Ian Lance Taylor  <iant@google.com>
9871
9872         * descriptors.cc: Include "options.h".
9873         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9874         (Descriptors::open): Always use O_CLOEXEC when opening a new
9875         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9876         then set FD_CLOEXEC.
9877
9878         * sparc.cc (class Target_sparc): Add has_got_section.
9879         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9880         make sure we have a GOT section.
9881
9882         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9883         (Target_sparc::Scan::local): Likewise.
9884         (Target_sparc::Scan::global): Likewise.
9885         (Target_sparc::Relocate::relocate): Likewise.
9886         (Target_sparc::Relocate::relocate_tls): Likewise.
9887
9888         * symtab.cc (Symbol_table::define_default_version): New function,
9889         broken out of add_from_object.
9890         (Symbol_table::add_from_object): Call define_default_version.
9891         (Symbol_table::define_special_symbol): Add resolve_oldsym
9892         parameter.  Change all callers.  If the version for a symbol comes
9893         from a version script, resolve it with the symbol with the same
9894         name with no version.  Also add the symbol without a version if
9895         appropriate.
9896         (do_define_in_output_data): If resolving with oldsym, don't delete
9897         sym.
9898         (do_define_in_output_segment): Likewise.
9899         (do_define_as_constant): Likewise.
9900         * symtab.h (class Symbol_table): Update declarations.
9901
9902 2009-03-13  Ian Lance Taylor  <iant@google.com>
9903
9904         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9905         (Read_symbols::requeue): New function.
9906         (Read_symbols::do_read_symbols): If make_elf_object fails because
9907         the target type is not configured, and the file was searched for,
9908         issue a warning and retry with the next directory.
9909         (Add_symbols::run): If the file has an incompatible format, and
9910         it was searched for, requeue the Read_symbols task.  On error,
9911         release the object.
9912         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9913         dirindex parameter to constructor.  Change all callers.  Declare
9914         incompatible_warning and requeue.
9915         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9916         input_argument_ and input_group_ fields.  Add them to
9917         constructor.  Change all callers.
9918         (class Read_script): Add dirindex_ field.  Add it to constructor.
9919         Change all callers.
9920         * archive.cc (Archive::setup): Remove input_objects parameter.
9921         Change all callers.
9922         (Archive::get_file_and_offset): Likewise.
9923         (Archive::read_all_symbols): Likewise.
9924         (Archive::read_symbols): Likewise.
9925         (Archive::get_elf_object_for_member): Remove input_objects
9926         parameter.  Add punconfigured parameter.  Change all callers.
9927         (Archive::add_symbols): Change return type to bool.  Check return
9928         value of include_member.
9929         (Archive::include_all_members): Likewise.
9930         (Archive::include_member): Change return type to bool.  Return
9931         false if first included object has incompatible target.  Set
9932         included_member_ field.
9933         (Add_archive_symbols::run): If add_symbols returns false, requeue
9934         Read_symbols task.
9935         * archive.h (class Archive): Add included_member_ field.
9936         Initialize it in constructor.  Add input_file and searched_for
9937         methods.  Update declarations.
9938         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9939         input_argument_ fields.  Add them to constructor.  Change all
9940         callers.
9941         * script.cc: Include "target-select.h".
9942         (class Parser_closure): Add skip_on_incompatible_target_ and
9943         found_incompatible_target_ fields.  Add
9944         skip_on_incompatible_target parameter to constructor.  Change all
9945         callers.  Add methods skip_on_incompatible_target,
9946         clear_skip_on_incompatible_target, found_incompatible_target, and
9947         set_found_incompatible_target.
9948         (read_input_script): Add dirindex parameter.  Change all callers.
9949         If parser finds an incompatible target, requeue Read_symbols
9950         task.
9951         (script_set_symbol): Clear skip_on_incompatible_target in
9952         closure.
9953         (script_add_assertion, script_parse_option): Likewise.
9954         (script_start_sections, script_add_phdr): Likewise.
9955         (script_check_output_format): New function.
9956         * script.h (read_input_script): Update declaration.
9957         * script-c.h (script_check_output_format): Declare.
9958         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9959         (ignore_cmd): Remove OUTPUT_FORMAT.
9960         * fileread.cc (Input_file::Input_file): Add explicit this.
9961         (Input_file::will_search_for): New function.
9962         (Input_file::open): Add pindex parameter.  Change all callers.
9963         * fileread.h (class Input_file): Add input_file_argument method.
9964         Declare will_search_for.  Update declarations.
9965         * object.cc (make_elf_object): Add punconfigured parameter.
9966         Change all callers.
9967         * object.h (class Object): Make input_file public.  Add
9968         searched_for method.
9969         (make_elf_object): Update declaration.
9970         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9971         restart search.
9972         * dirsearch.h (class Dirsearch): Update declaration.
9973         * options.h (class General_options): Add --warn-search-mismatch.
9974         * parameters.cc (Parameters::is_compatible_target): New function.
9975         * parameters.h (class Parameters): Declare is_compatible_target.
9976         * workqueue.cc (Workqueue::add_blocker): New function.
9977         * workqueue.h (class Workqueue): Declare add_blocker.
9978
9979         * fileread.cc (Input_file::open): Remove options parameter.
9980         Change all callers.
9981         (Input_file::open_binary): Likewise.
9982         * script.cc (read_input_script): Likewise.
9983         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9984         options parameter from constructor.  Change all callers.
9985         (class Read_script): Likewise.
9986         * fileread.h (class Input_file): Update declarations.
9987         * script.h (read_input_script): Update declaration.
9988
9989 2009-03-10  Nick Clifton  <nickc@redhat.com>
9990
9991         * po/es.po: New Spanish translation.
9992
9993 2009-03-06  Cary Coutant  <ccoutant@google.com>
9994
9995         * options.cc (parse_short_option): Keep dash_z from registering itself.
9996
9997 2009-03-03  Ian Lance Taylor  <iant@google.com>
9998
9999         PR 9918
10000         * target-reloc.h (relocate_section): Pass output_section to
10001         relocate.
10002         * i386.cc (Target_i386::should_apply_static_reloc): Add
10003         output_section parameter.  Change all callers.
10004         (Target_i386::Relocate::relocate): Add output_section parameter.
10005         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10006         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
10007         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
10008         * testsuite/two_file_shared.sh: New script.
10009         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
10010         (check_DATA): Add two_file_shared.dbg.
10011         (two_file_shared.dbg): New target.
10012         * testsuite/Makefile.in: Rebuild.
10013
10014 2009-03-01  Ian Lance Taylor  <iant@google.com>
10015
10016         * configure.ac: Check for byteswap.h.
10017         * configure: Rebuild.
10018         * config.in: Rebuild.
10019
10020 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
10021
10022         * layout.cc (Layout::find_or_add_kept_section): New function.
10023         (Layout::add_comdat): Removed.
10024         * layout.h (struct Kept_section): Move out of class Layout.
10025         Remove trailing underscores from field names.  Add group_sections
10026         field.  Rename group_ field to is_group.  Change all uses.
10027         (class Layout): Declare find_or_add_kept_section, not add_comdat.
10028         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
10029         comdat_groups_ field.
10030         (Sized_relobj::include_section_group): Use
10031         find_or_add_kept_section and Kept_section::group_sections.
10032         (Sized_relobj::include_linkonce_section): Likewise.
10033         * object.cc (class Sized_relobj): Don't define Comdat_group or
10034         Comdat_group_table.  Remove find_comdat_group and
10035         add_comdat_group.  Remove comdat_groups_ field.
10036         * plugin.cc (include_comdat_group): Use
10037         Layout::find_or_add_kept_section.
10038
10039 2009-02-28  Ian Lance Taylor  <iant@google.com>
10040
10041         * README: --gc-sections and map files are now supported.  Document
10042         some build requirements.
10043
10044         PR 6992
10045         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
10046         relocatable link set the value of the section symbol to zero.
10047         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
10048         relocatable link don't include the section address in the local
10049         symbol value.
10050
10051 2009-02-27  Ian Lance Taylor  <iant@google.com>
10052
10053         PR 6811
10054         * options.h (class Search_directory): Add is_system_directory.
10055         (class General_options): Declare is_in_system_directory.
10056         * options.cc (get_relative_sysroot): Make static.
10057         (get_default_sysroot): Make static.
10058         (General_optoins::is_in_system_directory): New function.
10059         * fileread.cc (Input_file::is_in_system_directory): New function.
10060         * fileread.h (class Input_file): Declare is_in_system_directory.
10061         * object.h (class Object): Add is_in_system_directory.
10062         (class Input_objects): Remove system_library_directory_ field.
10063         * object.cc (Input_objects::add_object): Don't set
10064         system_library_directory_.
10065         (input_objects::found_in_system_library_directory): Remove.
10066         * symtab.cc (Symbol_table::write_globals): Remove input_objects
10067         parameter.  Change all callers.
10068         (Symbol_table::sized_write_globals): Likewise.
10069         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
10070         Call Object::is_in_system_directory.
10071         * symtab.h (class Symbol_table): Update declarations.
10072
10073         PR 5990
10074         * descriptors.h (Open_descriptor): Add is_on_stack field.
10075         * descriptors.cc (Descriptors::open): If the descriptor is on the
10076         top of the stack, remove it.  Initialize is_on_stack field.
10077         (Descriptors::release): Only add pod to stack if it is not on the
10078         stack already.
10079         (Descriptors::close_some_descriptor): Clear stack_next and
10080         is_on_stack fields.
10081
10082         PR 7091
10083         * output.cc (Output_section::find_starting_output_address): Rename
10084         from starting_output_address; add PADDR parameter; change return
10085         type.
10086         * output.h (class Output_section): Declare
10087         find_starting_output_address instead of starting_output_address.
10088         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
10089         section symbol for which we can't find a merge section.
10090
10091         PR 9836
10092         * symtab.cc (Symbol_table::add_from_object): If the visibility is
10093         hidden or internal, force the symbol to be local.
10094         * resolve.cc (Symbol::override_visibility): Define.
10095         (Symbol::override_base): Use override_visibility.
10096         (Symbol_table::resolve): Likewise.
10097         (Symbol::override_base_with_special): Likewise.
10098         (Symbol_table::override_with_special): If the visibility is hidden
10099         or internal, force the symbol to be local.
10100         * symtab.h (class Symbol): Add set_visibility and
10101         override_visibility.
10102         * testsuite/ver_test_1.sh: New file.
10103         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
10104         (check_DATA): Add ver_test_1.syms.
10105         (ver_test_1.syms): New target.
10106         * testsuite/Makefile.in: Rebuild.
10107
10108 2009-02-25  Cary Coutant  <ccoutant@google.com>
10109
10110         * layout.cc (Layout::choose_output_section): Don't rename sections
10111         when using a linker script that has a SECTIONS clause.
10112         * Makefile.in: Regenerate.
10113
10114         * testsuite/Makefile.am (script_test_5.sh): New test case.
10115         * testsuite/Makefile.in: Regenerate.
10116         * testsuite/script_test_5.cc: New file.
10117         * testsuite/script_test_5.sh: New file.
10118         * testsuite/script_test_5.t: New file.
10119
10120 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
10121
10122         * archive.cc (Archive::include_member): Update calls to add_symbols.
10123         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
10124         the Layout argument.
10125         * dynobj.h (do_add_symbols): Add the Layout argument.
10126         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
10127         Layout argument.
10128         * object.h (Object::add_symbols): Add the Layout argument.
10129         (Object::do_add_symbols): Add the Layout argument.
10130         (Sized_relobj::do_add_symbols): Add the Layout argument.
10131         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
10132         Unify the two versions.
10133         (Add_plugin_symbols): Remove.
10134         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
10135         (Sized_pluginobj::do_add_symbols): Unify the two versions.
10136         (Add_plugin_symbols): Remove.
10137         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
10138         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
10139         (Add_symbols::run): Make it work with Pulginobj.
10140
10141 2009-02-06  Ian Lance Taylor  <iant@google.com>
10142
10143         * object.cc (Sized_relobj::do_layout): Make info message start
10144         with lower case letter.
10145
10146 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
10147
10148         * binary.cc: Fix file comment.
10149
10150         * options.h (enum Incremental_disposition): Define.
10151         (class General_options): Add new options: --incremental,
10152         --incremental_changed, --incremental_unchanged,
10153         --incremental_unknown.  Add incremental_disposition_ and
10154         implicit_incremental_ fields.
10155         (General_options::incremental_disposition): New function.
10156         (class Position_dependent_options): Add incremental_disposition
10157         option.
10158         (Position_dependent_options::copy_from_options): Set incremental
10159         dispositions.
10160         * options.cc (General_options::parse_incremental_changed): New
10161         function.
10162         (General_options::parse_incremental_unchanged): New function.
10163         (General_options::parse_incremental_unknown): New function.
10164         (General_options::General_options): Initialize new fields
10165         incremental_disposition_ and implicit_incremental_.
10166         (General_options::finalize): Check for uasge of --incremental-*
10167         without --incremental.
10168
10169 2009-02-06  Chris Demetriou  <cgd@google.com>
10170
10171         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10172         pointer and to report location as the file name associated with
10173         the symbol.
10174         (gold_undefined_symbol_at_location): New function to replace the
10175         old gold_undefined_symbol functionality.
10176         * target-reloc.h (relocate_section): Update to use
10177         gold_undefined_symbol_at_location.
10178         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10179         Call gold_undefined_symbol function rather than gold_error.
10180         * errors.h (Errors::undefined_symbol): Take location as a
10181         string, rather than calculating it from a relocation.
10182         * errors.cc (Errors::fatal): Print "fatal error:" before the
10183         formatted message.
10184         (Errors::error, Errors::error_at_location): Print "error: "
10185         before the formatted message.
10186         (Errors::undefined_symbol): Take location as a string, rather
10187         than calculating it from a relocation.
10188         (gold_undefined_symbol_at_location): New function akin to
10189         old gold_undefined_symbol, calculates location from relocation.
10190         (gold_undefined_symbol): Change to take only a Symbol pointer
10191         and to report location as the file name associated with the symbol.
10192         * testsuite/debug_msg.sh: Update for changed error messages.
10193         * testsuite/undef_symbol.sh: Likewise.
10194
10195 2009-02-04  Duncan Sands  <baldrick@free.fr>
10196
10197         PR 9812
10198         * reduced_debug_output.h
10199         (Output_reduced_debug_abbrev_section::failed): Use format for
10200         gold_warning.
10201         (Output_reduced_debug_info_section::faild): Likewise.
10202
10203 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10204
10205         * script.cc (Lazy_demangler): New class.
10206         (Version_script_info::get_symbol_version_helper): Demangle a
10207         symbol only once.
10208
10209 2009-01-29  Cary Coutant  <ccoutant@google.com>
10210
10211         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10212         to __tls_get_addr.
10213         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10214
10215 2009-01-28  Ian Lance Taylor  <iant@google.com>
10216
10217         * version.cc (version_string): Bump to 1.9.
10218
10219         * gold.h: Include <cstring> and <stdint.h>.
10220         * version.cc: Include <cstdio>.
10221         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10222         warning.
10223         * reduced_debug_output.cc (insert_into_vector): Rename from
10224         Insert_into_vector; change all callers.  Use Swap_unaligned to
10225         avoid aliasing issue; remove union since it is unnecessary.
10226
10227 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10228
10229         * Makefile.am (CCFILES): Add gc.cc.
10230         (HFILES): Add gc.h.
10231         * Makefile.in: Regenerate.
10232         * gold.cc (Gc_runner): New class.
10233         (queue_initial_tasks): Call garbage collection related tasks
10234         when corresponding options are invoked.
10235         (queue_middle_gc_tasks): New function.
10236         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10237         processed early before laying out sections during garbage collection.
10238         * gold.h (queue_middle_gc_tasks): New function.
10239         (is_prefix_of): Move from "layout.cc".
10240         * i386.cc (Target_i386::gc_process_relocs): New function.
10241         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10242         * main.cc (main): Create object of class "Garbage_collection".
10243         * object.cc (Relobj::copy_symbols_data): New function.
10244         (Relobj::is_section_name_included): New function.
10245         (Sized_relobj::do_layout): Allow this function to be called twice
10246         during garbage collection and defer layout of section during the
10247         first call.
10248         * object.h (Relobj::get_symbols_data): New function.
10249         (Relobj::is_section_name_included): New function.
10250         (Relobj::copy_symbols_data): New function.
10251         (Relobj::set_symbols_data): New function.
10252         (Relobj::get_relocs_data): New function.
10253         (Relobj::set_relocs_data): New function.
10254         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10255         (Relobj::gc_process_relocs): New function.
10256         (Relobj::do_gc_process_relocs): New pure virtual function.
10257         (Relobj::sd_): New data member.
10258         (Sized_relobj::is_output_section_offset_invalid): New function.
10259         (Sized_relobj::do_gc_process_relocs): New function.
10260         * options.h (General_options::gc_sections): Modify to not be a no-op.
10261         (General_options::print_gc_sections): New option.
10262         * plugin.cc (Plugin_finish::run): Remove function call to
10263         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10264         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10265         * reloc.cc (Read_relocs::run): Add task to process relocs and
10266         determine unreferenced sections when doing garbage collection.
10267         (Gc_process_relocs): New class.
10268         (Sized_relobj::do_gc_process_relocs): New function.
10269         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10270         sections that are garbage collected.
10271         * reloc.h (Gc_process_relocs): New class.
10272         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10273         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10274         symbols whose corresponding sections are garbage collected.
10275         (Symbol_table::Symbol_table): Add new parameter for the garbage
10276         collection object.
10277         (Symbol_table::gc_mark_undef_symbols): New function.
10278         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10279         (Symbol_table::gc_mark_dyn_syms): New function.
10280         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10281         as garbage.
10282         (Symbol_table::add_from_object): Likewise.
10283         (Symbol_table::add_from_relobj): When building shared objects, do not
10284         treat externally visible symbols as garbage.
10285         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10286         table information for static and relocatable links.
10287         * symtab.h (Symbol_table::set_gc): New function.
10288         (Symbol_table::gc): New function.
10289         (Symbol_table::gc_mark_undef_symbols): New function.
10290         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10291         (Symbol_table::gc_mark_dyn_syms): New function.
10292         (Symbol_table::gc_): New data member.
10293         * target.h (Sized_target::gc_process_relocs): New pure virtual
10294         function.
10295         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10296         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10297
10298 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10299
10300         * options.h (General_options::gc_sections): Define as a no-op for now.
10301         (General_options::no_keep_memory): Ditto.
10302         (General_options::Bshareable): Define.
10303         * options.cc (General_options::finalize): Honor -Bshareable.
10304
10305 2009-01-20  Andreas Schwab  <schwab@suse.de>
10306
10307         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10308         read the value in the contents, since we don't use it.  Use the
10309         template endianness when writing.
10310         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10311
10312 2009-01-19  Andreas Schwab  <schwab@suse.de>
10313
10314         * configure.tgt (powerpc64-*): Fix targ_obj.
10315
10316 2009-01-15  Ian Lance Taylor  <iant@google.com>
10317
10318         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10319         local symbols when stripping all symbols.
10320
10321 2009-01-14  Cary Coutant  <ccoutant@google.com>
10322
10323         * output.cc (Output_reloc): Add explicit instantiations.
10324
10325 2009-01-14  Cary Coutant  <ccoutant@google.com>
10326
10327         * archive.cc (Archive::get_elf_object_for_member): Remove call
10328         to File_read::claim_for_plugin.
10329         * descriptors.cc (Descriptors::open): Remove reference to
10330         is_claimed.
10331         (Descriptors::claim_for_plugin): Remove.
10332         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10333         (Descriptors::is_claimed): Remove.
10334         (claim_descriptor_for_plugin): Remove.
10335         * fileread.cc (File_read::claim_for_plugin): Remove.
10336         * fileread.h (File_read::claim_for_plugin): Remove.
10337         (File_read::descriptor): Reopen descriptor if necessary.
10338         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10339         (Plugin_manager::all_symbols_read): Add task parameter. Change
10340         all callers.
10341         (Plugin_manager::get_input_file): New function.
10342         (Plugin_manager::release_input_file): New function.
10343         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10344         corresponding data member.
10345         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10346         and pass to base constructor. Change all callers.
10347         (get_input_file, release_input_file): New functions.
10348         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10349         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10350         (Plugin_manager::all_symbols_read): Add task parameter.
10351         (Plugin_manager::get_input_file): New function.
10352         (Plugin_manager::release_input_file): New function.
10353         (Plugin_manager::task_): New data member.
10354         (Pluginobj::Pluginobj): Add filesize parameter.
10355         (Pluginobj::filename): New function.
10356         (Pluginobj::descriptor): New function.
10357         (Pluginobj::filesize): New function.
10358         (Pluginobj::filesize_): New data member.
10359         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10360         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10361         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10362
10363         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10364         with archive libraries.
10365         * testsuite/Makefile.in: Regenerate.
10366         * testsuite/plugin_test.c (struct sym_info): New type.
10367         (get_input_file, release_input_file): New static variables.
10368         (onload): Capture new transfer vector entries.
10369         (claim_file_hook): Stop reading at end of file according to filesize.
10370         Factor out parsing of readelf output into separate function.
10371         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10372         APIs and get the source file name from the symbol table.  Convert
10373         source file name to corresponding object file name.  Print info
10374         message when adding new input files.
10375         (parse_readelf_line): New function.
10376         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10377         * testsuite/plugin_test_2.sh: Likewise.
10378         * testsuite/plugin_test_3.sh: Likewise.
10379         * testsuite/plugin_test_4.sh: New test case.
10380
10381 2009-01-07  Ian Lance Taylor  <iant@google.com>
10382
10383         * version.cc (version_string): Bump to 1.8.
10384
10385 2008-12-23  Cary Coutant  <ccoutant@google.com>
10386
10387         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10388         * plugin.cc (Plugin_manager::finish): Rename as
10389         layout_deferred_objects.  Move cleanup to separate function.
10390         (Plugin_manager::cleanup): New function.
10391         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10392         separately.
10393         * plugin.h (Plugin_manager::finish): Rename as
10394         layout_deferred_objects.
10395         (Plugin_manager::cleanup): New function.
10396         (Plugin_manager::cleanup_done): New field.
10397
10398 2008-12-23  Cary Coutant  <ccoutant@google.com>
10399
10400         * plugin.cc (is_visible_from_outside): New function.
10401         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10402         so we don't return "IR only" status for exported symbols or -r links.
10403
10404         * testsuite/Makefile.am (plugin_test_3): New test case.
10405         * testsuite/Makefile.in: Regenerate.
10406         * testsuite/plugin_test_3.sh: New file.
10407
10408 2008-12-22  Cary Coutant  <ccoutant@google.com>
10409
10410         * object.cc (Sized_relobj::layout_section): New function.
10411         (Sized_relobj::do_layout): Defer layout of input sections until after
10412         plugin has provided replacement files.
10413         (Sized_relobj::do_layout_deferred_sections): New function.
10414         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10415         (Relobj::layout_deferred_sections): New function.
10416         (Relobj::do_layout_deferred_sections): New function.
10417         (Sized_relobj::do_layout_deferred_sections): New function.
10418         (Sized_relobj::layout_section): New function.
10419         (Sized_relobj::Deferred_layout): New structure.
10420         (Sized_relobj::deferred_layout_): New field.
10421         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10422         Change all callers.  Layout deferred sections.
10423         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10424         references.
10425         (Plugin_hook::run): Move code from do_plugin_hook inline.
10426         (Plugin_hook::do_plugin_hook): Remove.
10427         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10428         (Plugin_manager::finish): Renamed, was cleanup.
10429         (Plugin_manager::should_defer_layout): New function.
10430         (Plugin_manager::add_deferred_layout_object): New function.
10431         (Plugin_manager::Deferred_layout_list): New type.
10432         (Plugin_manager::deferred_layout_objects_): New field.
10433         (Plugin_hook::do_plugin_hook): Remove.
10434
10435 2008-12-17  Ian Lance Taylor  <iant@google.com>
10436
10437         * options.h (class General_options): Add --no case for
10438         --export-dynamic.
10439
10440 2008-12-16  Cary Coutant  <ccoutant@google.com>
10441
10442         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10443         vector.
10444         (Plugin_manager::claim_file): Create plugin object even if
10445         plugin did not call the add_symbols callback.
10446         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10447         asking for more symbols than were added.
10448         * testsuite/Makefile.am (plugin_test_1): Add test case with
10449         no global symbols.
10450         (empty.syms): New target.
10451         * testsuite/Makefile.in: Regenerate.
10452         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10453         message. Don't call add_symbols if no globals.
10454         (all_symbols_read_hook): Don't provide replacement for empty
10455         claimed file.
10456
10457 2008-12-12  Ian Lance Taylor  <iant@google.com>
10458
10459         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10460         r_type == 0 for a local symbol with r_sym == 0.
10461         (scan_relocatable_relocs): Pass r_sym to
10462         local_non_section_strategy.
10463         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10464         r_sym parameter.
10465
10466         * configure.ac: Update test for TLS descriptors: they are
10467         supported as of glibc 2.9.
10468         * configure: Rebuild.
10469
10470 2008-12-11  Ian Lance Taylor  <iant@google.com>
10471
10472         PR 7091
10473         * target-reloc.h (Default_scan_relocatable_relocs): For each
10474         function, map r_type == 0 to RELOC_DISCARD.
10475
10476 2008-12-10  Cary Coutant  <ccoutant@google.com>
10477
10478         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10479         object to override a kept COMDAT group from a plugin object.
10480
10481 2008-12-09  Ian Lance Taylor  <iant@google.com>
10482
10483         PR 7088
10484         * yyscript.y (file_cmd): Handle INPUT.
10485
10486         * testsuite/initpri1.c: Change all declarations to be full
10487         prototypes by adding void, to avoid compiler warnings.
10488
10489 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10490
10491         * options.cc (General_options::parse_plugin_opt): New.
10492         (General_options::add_plugin): The argument now is just the filename.
10493         (General_options::add_plugin_option): New.
10494         * options.h (plugin_opt): New.
10495         (add_plugin): Change argument name.
10496         (add_plugin_option): New.
10497         * plugin.cc (Plugin::load): Don't parse the plugin option.
10498         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10499         (Plugin::add_option): New.
10500         (Plugin::args_): Change type.
10501         (Plugin::filename_): New.
10502         (Plugin_manager::add_plugin_option): New.
10503         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10504         * testsuite/Makefile.in: Regenerate.
10505
10506 2008-12-05  Cary Coutant  <ccoutant@google.com>
10507
10508         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10509         Handle --strip-lto-sections option.
10510         * options.h (strip_lto_sections): New option.
10511
10512 2008-12-01  Cary Coutant  <ccoutant@google.com>
10513
10514         * plugin.cc (ld_plugin_message): Change format parameter to const.
10515         Fix mismatch between new[] and delete.
10516
10517 2008-11-14  Cary Coutant  <ccoutant@google.com>
10518
10519         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10520         instead of -1U.
10521
10522 2008-11-05  Craig Silverstein  <csilvers@google.com>
10523
10524         * options.cc (General_options::parse_dynamic_list): New function.
10525         * options.h (General_options): New flags dynamic_list,
10526         dynamic_list_data, dynamic_list_cpp_new, and
10527         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10528         (General_options::in_dynamic_list): New function.
10529         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10530         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10531         (Lex::can_continue_name): Likewise.
10532         (yylex): Likewise.
10533         (read_script_file): New parameter script_options.
10534         (read_dynamic_list): New function.
10535         (Script_options::define_dynamic_list): New function.
10536         (dynamic_list_keyword_parsecodes): New variable.
10537         (dynamic_list_keywords): New variable.
10538         * script.h (Script_options::define_dynamic_list): New function
10539         prototype.
10540         (read_dynamic_list): New function prototype.
10541         * symtab.cc (strprefix): New macro.
10542         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10543         dynamic_list_data, dynamic_list_cpp_new, and
10544         dynamic_list_cpp_typeinfo.
10545         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10546         (dynamic_list_expr): New rule.
10547         (dynamic_list_nodes): Likewise.
10548         (dynamic_list_node): Likewise.
10549         * testsuite/Makefile.am (dynamic_list): New test.
10550         * testsuite/Makefile.in: Regenerated.
10551         * testsuite/dynamic_list.t: New file.
10552         * testsuite/dynamic_list.sh: New file.
10553
10554 2008-11-05  Craig Silverstein  <csilvers@google.com>
10555
10556         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10557         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10558         (t11_last): Likewise.
10559         * testsuite/ver_test_6.c (main): Likewise.
10560
10561 2008-10-07  Cary Coutant  <ccoutant@google.com>
10562
10563         * options.c (General_options::finalize): Add check for -static and
10564         -shared.
10565         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10566         is not empty.
10567
10568 2008-10-02  Cary Coutant  <ccoutant@google.com>
10569
10570         * plugin.cc (make_sized_plugin_object): Fix conditional
10571         compilation to work when not all targets are enabled.
10572
10573 2008-09-29  Cary Coutant  <ccoutant@google.com>
10574
10575         * archive.cc (Archive::get_file_and_offset): Use filename instead
10576         of name to get library path.
10577         (Archive::include_member): Unlock external member of a thin archive.
10578
10579         * testsuite/Makefile.am (TEST_AR): New variable.
10580         (thin_archive_test_1): New test.
10581         (thin_archive_test_2): New test.
10582         * testsuite/Makefile.in: Regenerate.
10583         * testsuite/thin_archive_main.cc: New file.
10584         * testsuite/thin_archive_test_1.cc: New file.
10585         * testsuite/thin_archive_test_2.cc: New file.
10586         * testsuite/thin_archive_test_3.cc: New file.
10587         * testsuite/thin_archive_test_4.cc: New file.
10588
10589 2008-09-29  Cary Coutant  <ccoutant@google.com>
10590
10591         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10592         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10593         instead of -1U.
10594         (Sized_relobj::do_finalize_local_symbols): Likewise.
10595         (Sized_relobj::map_to_kept_section): Likewise.
10596         * object.h (Sized_relobj::invalid_address): New constant.
10597         (Sized_relobj::do_output_section_offset): Check for invalid_address
10598         and return -1ULL.
10599         * output.cc (Output_reloc::local_section_offset): Use constant
10600         invalid_address instead of -1U.
10601         (Output_reloc::get_address): Likewise.
10602         (Output_section::output_address): Change -1U to -1ULL.
10603         * output.h (Output_reloc::invalid_address): New constant.
10604         * reloc.cc (Sized_relobj::write_sections): Use constant
10605         invalid_address instead of -1U.
10606         (Sized_relobj::relocate_sections): Likewise.
10607         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10608         values for merge sections.
10609         * target-reloc.h (relocate_for_relocatable): Use constant
10610         invalid_address instead of -1U.
10611
10612 2008-09-19  Cary Coutant  <ccoutant@google.com>
10613
10614         Add plugin functionality for link-time optimization (LTO).
10615         * configure.ac (plugins): Add --enable-plugins option.
10616         * configure: Regenerate.
10617         * config.in: Regenerate.
10618         * Makefile.am (LIBDL): New variable.
10619         (CCFILES): Add plugin.cc.
10620         (HFILES): Add plugin.h.
10621         (ldadd_var): Add LIBDL.
10622         * Makefile.in: Regenerate.
10623
10624         * archive.cc: Include "plugin.h".
10625         (Archive::setup): Don't preread archive symbols when using a plugin.
10626         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10627         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10628         files.
10629         (Archive::include_member): Add symbols from plugin objects.
10630         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10631         * descriptors.cc (Descriptors::open): Check for file descriptors
10632         abandoned by plugins.
10633         (Descriptors::claim_for_plugin): New function.
10634         * descriptors.h (Descriptors::claim_for_plugin): New function.
10635         (Open_descriptor::is_claimed): New field.
10636         (claim_descriptor_for_plugin): New function.
10637         * fileread.cc (File_read::claim_for_plugin): New function.
10638         * fileread.h (File_read::claim_for_plugin): New function.
10639         (File_read::descriptor): New function.
10640         * gold.cc: Include "plugin.h".
10641         (queue_initial_tasks): Add task to call plugin hooks for generating
10642         new object files.
10643         * main.cc: Include "plugin.h".
10644         (main): Load plugin libraries.
10645         * object.h (Pluginobj): Declare.
10646         (Object::pluginobj): New function.
10647         (Object::do_pluginobj): New function.
10648         (Object::set_target): New function.
10649         * options.cc: Include "plugin.h".
10650         (General_options::parse_plugin): New function.
10651         (General_options::General_options): Initialize plugins_ field.
10652         (General_options::add_plugin): New function.
10653         * options.h (Plugin_manager): Declare.
10654         (General_options): Add --plugin option.
10655         (General_options::has_plugins): New function.
10656         (General_options::plugins): New function.
10657         (General_options::add_plugin): New function.
10658         (General_options::plugins_): New field.
10659         * plugin.cc: New file.
10660         * plugin.h: New file.
10661         * readsyms.cc: Include "plugin.h".
10662         (Read_symbols::do_read_symbols): Check for archive before checking
10663         for ELF file.  Call plugin hooks to claim files.
10664         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10665         from a real object file; force override when processing replacement
10666         files.
10667         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10668         (Symbol::init_base_object): Likewise.
10669         (Symbol::init_base_output_data): Likewise.
10670         (Symbol::init_base_output_segment): Likewise.
10671         (Symbol::init_base_constant): Likewise.
10672         (Symbol::init_base_undefined): Likewise.
10673         (Symbol::output_section): Assert that object is not a plugin.
10674         (Symbol_table::add_from_pluginobj): New function.
10675         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10676         undefined.
10677         (Symbol_table::sized_write_globals): Likewise.
10678         (Symbol_table::add_from_pluginobj): Instantiate template.
10679         * symtab.h (Sized_pluginobj): Declare.
10680         (Symbol::in_real_elf): New function.
10681         (Symbol::set_in_real_elf): New function.
10682         (Symbol::in_real_elf_): New field.
10683         (Symbol_table::add_from_pluginobj): New function.
10684
10685         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10686         (LIBDL): New variable.
10687         (LDADD): Add LIBDL.
10688         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10689         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10690         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10691         (MOSTLYCLEANFILES): Likewise.
10692         * testsuite/Makefile.in: Regenerate.
10693         * testsuite/plugin_test.c: New file.
10694         * testsuite/plugin_test_1.sh: New file.
10695         * testsuite/plugin_test_2.sh: New file.
10696
10697 2008-09-16  Ian Lance Taylor  <iant@google.com>
10698
10699         * target-reloc.h (relocate_section): Check whether a symbol is
10700         defined by the ABI before reporting an undefined symbol error.
10701         * target.h (Target::is_defined_by_abi): Make parameter const.
10702         (Target::do_is_defined_by_abi): Likewise.
10703         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10704         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10705         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10706         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10707         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10708         * testsuite/Makefile.in: Rebuild.
10709
10710         * fileread.cc (make_view): Add casts to avoid warning.
10711
10712 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10713
10714         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10715         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10716
10717 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10718
10719         * options.h (General_options::output_is_executable): New.
10720         (General_options::output_is_pie): New.
10721         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10722         for shared libraries.
10723         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10724
10725 2008-09-11  Chris Demetriou  <cgd@google.com>
10726
10727         * options.h (origin): New -z option.
10728         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10729         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10730         in DT_FLAGS_1.
10731
10732 2008-09-05  Cary Coutant  <ccoutant@google.com>
10733
10734         * fileread.cc (File_read::make_view): Add check for attempt to map
10735         beyond end of file.
10736
10737 2008-09-05  Cary Coutant  <ccoutant@google.com>
10738
10739         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10740         explicit instantiations.
10741
10742 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10743
10744         PR gold/6858
10745         * options.cc (General_options::finalize): Allow undefined symbols
10746         in shlibs if linking -shared.
10747
10748         PR gold/6859
10749         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10750         symbols as not needing a dynsym entry.
10751
10752 2008-08-20  Craig Silverstein  <csilvers@google.com>
10753
10754         * fileread.cc (File_read::open): Do not lock the file unless it
10755         was successfully opened.
10756
10757 2008-08-14  Cary Coutant  <ccoutant@google.com>
10758
10759         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10760         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10761         * testsuite/tls_test.cc (struct int128): 128-bit struct
10762         for testing TLS relocs with non-zero addend.
10763         (v12): New TLS variable.
10764         (t12): New test.
10765         (t_last): Add check for v12.
10766         * testsuite/tls_test.h (t12): New function.
10767         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10768
10769 2008-08-13  Ian Lance Taylor  <iant@google.com>
10770
10771         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10772         set tls_segment_ or relro_segment_.
10773         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10774         when appropriate.
10775         * output.h (Output_section::clear_is_relro): New function.
10776         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10777         sections specially even when output_data_ is empty.
10778         (Output_segment::maximum_alignment): When first section is relro,
10779         only force alignment for PT_LOAD segments.
10780         * script.cc (script_data_segment_align): New function.
10781         (script_data_segment_relro_end): New function.
10782         * script-c.h (script_data_segment_align): Declare.
10783         (script_data_segment_relro_end): Declare.
10784         * script-sections.h (class Script_sections): Declare
10785         data_segment_align and data_segment_relro_end.  Add fields
10786         segment_align_index_ and saw_relro_end_.
10787         * script-sections.cc (class Sections_element): Add set_is_relro
10788         virtual function.  Add new bool* parameter to place_orphan_here.
10789         Add get_output_section virtual function.
10790         (class Output_section_definition): Add set_is_relro.  Add new
10791         bool* parameter to place_orphan_here.  Add get_output_section.
10792         Add is_relro_ field.
10793         (Output_section_definition::Output_section_definition): Initialize
10794         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10795         and is_relro_ fields.
10796         (Output_section_definition::place_orphan_here): Add is_relro
10797         parameter.
10798         (Output_section_definition::set_section_addresses): Set relro for
10799         output section.
10800         (Output_section_definition::alternate_constraint): Likewise.
10801         (class Orphan_output_section): Add new bool* parameter to
10802         place_orphan_here.  Add get_output_section.
10803         (Orphan_output_section::place_orphan_here): Add is_relro
10804         parameter.
10805         (Script_sections::Script_sections): Initialize
10806         data_segment_align_index_ and saw_relro_end_.
10807         (Script_sections::data_segment_align): New function.
10808         (Script_sections::data_segment_relro_end): New function.
10809         (Script_sections::place_orphan): Set or clear is_relro.
10810         (Script_sections::set_section_addresses): Force alignment of first
10811         TLS section.
10812         * yyscript.y (exp): Call script_data_segment_align and
10813         script_data_segment_relro_end.
10814         * testsuite/relro_script_test.t: New file.
10815         * testsuite/relro_test.cc (using_script): Declare.
10816         (t1, t2): Test using_script.
10817         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10818         (relro_script_test_SOURCES): Define.
10819         (relro_script_test_DEPENDENCIES): Define.
10820         (relro_script_test_LDFLAGS): Define.
10821         (relro_script_test_LDADD): Define.
10822         (relro_script_test.so): New target.
10823         * testsuite/Makefile.in: Rebuild.
10824
10825 2008-08-06  Cary Coutant <ccoutant@google.com>
10826
10827         * archive.cc (Archive::total_archives, Archive::total_members)
10828         (Archive::total_members_loaded): New variables.
10829         (Archive::setup): Add parameter.  Add option to preread
10830         archive symbols.
10831         (Archive::read_armap): Add counter.
10832         (Archive::get_file_and_offset): New function.
10833         (Archive::get_elf_object_for_member): New function.
10834         (Archive::read_all_symbols): New function.
10835         (Archive::read_symbols): New function.
10836         (Archive::add_symbols): Add counters.
10837         (Archive::include_all_members): Use armap to find members if it's
10838         already built.
10839         (Archive::include_member): Skip reading symbols if already read.
10840         Factored code into Archive::get_file_and_offset and
10841         Archive::get_elf_object_for_member.  Changed call to
10842         Mapfile::report_include_archive_member.
10843         (Archive::print_stats): New function.
10844         * archive.h: Declare Object and Read_symbols_data classes.
10845         (Archive::Archive): Add initializers for new members.
10846         (Archive::setup): Add parameter.
10847         (Archive::print_stats): New function.
10848         (Archive::total_archives, Archive::total_members)
10849         (Archive::total_members_loaded): New variables.
10850         (Archive::get_file_and_offset): New function.
10851         (Archive::get_elf_object_for_member): New function.
10852         (Archive::read_all_symbols): New function.
10853         (Archive::read_symbols): New function.
10854         (Archive::Archive_member): New class.
10855         (Archive::members_): New member.
10856         (Archive::num_members_): New member.
10857         * main.cc: Include archive.h.
10858         (main): Call Archive::print_stats.
10859         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10860         archive parameter; member_name is now the fully-decorated name.
10861         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10862         * options.h: (General_options): Add --preread-archive-symbols option.
10863         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10864         Archive::setup.
10865
10866 2008-08-04  Ian Lance Taylor  <iant@google.com>
10867
10868         * symtab.h (Symbol::use_plt_offset): New function.
10869         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10870         * powerpc.cc (Relocate::relocate): Likewise.
10871         * sparc.cc (Relocate::relocate): Likewise.
10872         * x86_64.cc (Relocate::relocate): Likewise.
10873         * testsuite/weak_plt.sh: New test.
10874         * testsuite/weak_plt_main.cc: New test.
10875         * testsuite/weak_plt_shared.cc: New test.
10876         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10877         (check_PROGRAMS): Add weak_plt.
10878         (check_DATA): Add weak_plt_shared.so.
10879         (weak_plt_main_pic.o, weak_plt): New targets.
10880         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10881         * testsuite/Makefile.in: Rebuild.
10882
10883         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10884         gcctestdir/ld.
10885         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10886         * testsuite/Makefile.in: Rebuild.
10887
10888 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10889
10890         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10891         * Makefile.in: Regenerate.
10892         * po/POTFILES.in: Regenerate.
10893
10894 2008-07-29  Ian Lance Taylor  <iant@google.com>
10895
10896         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10897         symbols before other symbols.
10898         * testsuite/script_test_2.cc (test_addr): Declare.
10899         (test_addr_alias): Declare.
10900         (main): Check that test_addr and test_addr_alias have the right
10901         values.
10902         * testsuite/script_test_2.t: Define test_addr_alias and
10903         test_addr.
10904
10905 2008-07-24  Ian Lance Taylor  <iant@google.com>
10906
10907         PR 5990
10908         * descriptors.cc: New file.
10909         * descriptors.h: New file.
10910         * gold-threads.h (class Hold_optional_lock): New class.
10911         * fileread.cc: Include "descriptors.h".
10912         (File_read::~File_read): Release descriptor rather than closing
10913         it.
10914         (File_read::open) [file]: Call open_descriptor rather than open.
10915         Set is_descriptor_opened_.
10916         (File_read::open) [memory]: Assert that descriptor is not open.
10917         (File_read::reopen_descriptor): New function.
10918         (File_read::release): Release descriptor.
10919         (File_read::do_read): Make non-const.  Reopen descriptor.
10920         (File_read::read): Make non-const.
10921         (File_read::make_view): Reopen descriptor.
10922         (File_read::do_readv): Likewise.
10923         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10924         Update declarations.
10925         * layout.cc: Include "descriptors.h".
10926         (Layout::create_build_id): Use open_descriptor rather than open.
10927         * output.cc: Include "descriptors.h".
10928         (Output_file::open): Use open_descriptor rather than open.
10929         * archive.cc (Archive::const_iterator): Change Archive to be
10930         non-const.
10931         (Archive::begin, Archive::end): Make non-const.
10932         (Archive::count_members): Likewise.
10933         * archive.h (class Archive): Update declarations.
10934         * object.h (Object::read): Make non-const.
10935         * Makefile.am (CCFILES): Add descriptors.cc.
10936         (HFILES): Add descriptors.h.
10937         * Makefile.in: Rebuild.
10938
10939         PR 6716
10940         * gold.h: Always include <clocale>.  Add Solaris workarounds
10941         following code in binutils/sysdep.h.
10942
10943         PR 6048
10944         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10945         this->eh_frame_hdr_ is NULL before using it.
10946
10947         * dynobj.cc (Versions::Versions): Update comment.
10948
10949         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10950         the base version name.
10951
10952         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10953         array size plus one.
10954         (Stringpool_template::set_string_offsets): Subtract one from key
10955         before using it as an array index.
10956         (Stringpool_template::get_offset_with_length): Likewise.
10957         (Stringpool_template::write_to_buffer): Likewise.
10958         * stringpool.h (Stringpool_template::get_offset_from_key):
10959         Likewise.
10960
10961 2008-07-23  Ian Lance Taylor  <iant@google.com>
10962
10963         PR 6658
10964         * object.h (Merged_symbol_value::value): Do our best to handle a
10965         negative addend.
10966
10967         PR 6647
10968         * script.cc (Version_script_info::get_versions): Don't add empty
10969         version tag to return value.
10970         (Version_script_info::get_symbol_version_helper): Change return
10971         type to bool.  Add pversion parameter.  Change all callers.
10972         (script_register_vers_node): Don't require a non-NULL tag.
10973         * script.h (class Version_script_info): Update declarations.
10974         (Version_script_info::get_symbol_version): Change return type to
10975         bool.  Add version parameter.  Change all callers.
10976         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10977         handling.  Handle an empty version from a version script.
10978         (Symbol_table::define_special_symbol): Likewise.
10979         * testsuite/ver_test_10.script: New file.
10980         * testsuite/ver_test_10.sh: New file.
10981         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10982         (check_DATA): Add ver_test_10.syms.
10983         (ver_test_10.syms, ver_test_10.so): New target.
10984         * testsuite/Makefile.in: Rebuild.
10985
10986 2008-07-23  Simon Baldwin  <simonb@google.com>
10987
10988         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10989         to zero for undefined symbols from dynamic libraries.
10990
10991 2008-07-23  Ian Lance Taylor  <iant@google.com>
10992
10993         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10994         Change all callers.
10995         * symtab.h (class Symbol_table): Update declaration.
10996         * testsuite/ver_test_9.cc: New file.
10997         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10998         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10999         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
11000         (ver_test_9.so, ver_test_9.o): New targets.
11001         * testsuite/Makefile.in: Rebuild.
11002
11003 2008-07-22  Ian Lance Taylor  <iant@google.com>
11004
11005         * options.h (class General_options): Define --check-sections.
11006         * layout.cc (Layout::set_segment_offsets): Handle
11007         --check-sections.
11008
11009         * options.h (class General_options): Define -n/--nmagic and
11010         -N/--omagic.
11011         * options.cc (General_options::finalize): For -n/--nmagic or
11012         -N/--omagic, set -static.
11013         * layout.cc (Layout::attach_allocated_section_to_segment): If
11014         -N/--omagic, don't put read-only and read-write sections in
11015         different segments.
11016         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
11017         finding a read-only segment.
11018         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
11019         don't set the minimum segment alignment to the common page size,
11020         and don't set the file offset to the address modulo the page size.
11021         * script-sections.cc (Script_sections::create_segments): If
11022         -n/--omagic, don't put read-only and read-write sections in
11023         different segments.
11024
11025         * cref.cc: New file.
11026         * cref.h: New file.
11027         * options.h (class General_options): Add --print-symbol-counts.
11028         * main.cc (main): Issue defined symbol report if requested.
11029         * archive.cc (Archive::interpret_header): Make into a const member
11030         function.
11031         (Archive::add_symbols): Call Input_objects::archive_start and
11032         archive_stop.
11033         (Archive::const_iterator): Define new class.
11034         (Archive::begin, Archive::end): New functions.
11035         (Archive::include_all_members): Rewrite to use iterator.
11036         (Archive::count_members): New function.
11037         * archive.h (class Archive): Update declarations.
11038         (Archive::filename): New function.
11039         * object.cc: Include "cref.h".
11040         (Sized_relobj::Sized_relobj): Initialize defined_count_.
11041         (Sized_relobj::do_get_global_symbol_counts): New function.
11042         (Input_objects::add_object): Add object to cross-referencer.
11043         (Input_objects::archive_start): New function.
11044         (Input_objects::archive_stop): New function.
11045         (Input_objects::print_symbol_counts): New function.
11046         * object.h: Declare Cref and Archive.
11047         (Object::get_global_symbol_counts): New function.
11048         (Object::do_get_global_symbol_counts): New pure virtual function.
11049         (class Sized_relobj): Add defined_count_ field.  Update
11050         declarations.
11051         (class Input_objects): Add cref_ field.  Update constructor.
11052         Update declarations.
11053         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
11054         defined_count_.
11055         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
11056         symbol counts.
11057         (Sized_dynobj::do_get_global_symbol_counts): New function.
11058         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
11059         defined_count_.  Update declarations.  Define Symbols typedef.
11060         * symtab.cc (Symbol_table::add_from_relobj): Add defined
11061         parameter.  Change all callers.
11062         (Symbol_table::add_from_dynobj): Add sympointers and defined
11063         parameters.  Change all callers.
11064         * symtab.h (class Symbol_table): Update declarations.
11065         * Makefile.am (CCFILES): Add cref.cc.
11066         (HFILES): Add cref.h.
11067         * Makefile.in: Rebuild.
11068
11069 2008-07-22  Simon Baldwin  <simonb@google.com>
11070
11071         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
11072         to zero when writing undefined symbols.
11073
11074 2008-07-22  Ian Lance Taylor  <iant@google.com>
11075
11076         * output.cc (Output_section::add_input_section): Don't try to
11077         merge empty merge sections.
11078
11079 2008-07-21  Craig Silverstein  <csilvers@google.com>
11080
11081         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11082         Include symbol version in error message.
11083
11084 2008-07-20  Chris Demetriou  <cgd@google.com>
11085
11086         * configure.ac (gold_cv_c_random_seed): New configured variable.
11087         (RANDOM_SEED_CFLAGS): New substituted variable.
11088         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
11089         * configure: Rebuild.
11090         * Makefile.in: Likewise.
11091         * testsuite/Makefile.in: Likewise.
11092
11093 2008-07-18  Ian Lance Taylor  <iant@google.com>
11094
11095         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
11096         where we see NAME/NULL and NAME/VERSION  as separate symbols.
11097         * testsuite/ver_test_main.cc (main): Call t4.
11098         (t4, t4_2a): Define.
11099         * testsuite/ver_test_2.cc (t4_2): Define.
11100         * testsuite/ver_test_2.script: Put t4_2a in VER2.
11101         * testsuite/ver_test_4.cc (t4_2a): Define.
11102         * testsuite/ver_test_4.script: Put t4_2a in VER2.
11103         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
11104
11105 2008-07-17  Ian Lance Taylor  <iant@google.com>
11106
11107         * dynobj.cc (Versions::add_def): If we give an error about a
11108         missing version, go ahead and create the version anyhow.
11109
11110 2008-07-10  Ian Lance Taylor  <iant@google.com>
11111
11112         Handle output sections with more than 0x7fffffff bytes.
11113         * object.h (class Relobj): Change map_to_output_ to
11114         output_sections_, and just keep a section pointer.  Change all
11115         uses.  Move comdat group support to Sized_relobj.
11116         (Relobj::is_section_specially_mapped): Remove.
11117         (Relobj::output_section): Remove poff parameter.  Change all
11118         callers.
11119         (Relobj::output_section_offset): New function.
11120         (Relobj::set_section_offset): Rewrite.
11121         (Relobj::map_to_output): Remove.
11122         (Relobj::output_sections): New function.
11123         (Relobj::do_output_section_offset): New pure virtual function.
11124         (Relobj::do_set_section_offset): Likewise.
11125         (class Sized_relobj): Add section_offsets_ field.  Add comdat
11126         group support from Relobj.  Update declarations.
11127         (Sized_relobj::get_output_section_offset): New function.
11128         (Sized_relobj::do_output_section_offset): New function.
11129         (Sized_relobj::do_set_section_offset): New function.
11130         * object.cc (Relobj::output_section_address): Remove.
11131         (Sized_relobj::Sized_relobj): Initialize new fields.
11132         (Sized_relobj::include_section_group): Cast find_kept_object to
11133         Sized_relobj.
11134         (Sized_relobj::include_linkonce_section): Likewise.
11135         (Sized_relobj::do_layout): Use separate arrays for output section
11136         and output offset.
11137         (Sized_relobj::do_count_local_symbols): Change map_to_output to
11138         output_sections.
11139         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
11140         output_sections and section_offsets.
11141         (Sized_relobj::write_local_symbols): Likewise.
11142         (map_to_kept_section): Compute output address directly.
11143         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
11144         output_sections and section_offsets.
11145         (Sized_relobj::write_sections): Likewise.
11146         (Sized_relobj::relocate_sections): Likewise.
11147         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
11148         * output.h (class Output_reloc): Update declarations.  Change
11149         u2_.relobj to Sized_relobj*.
11150         (class Output_data_reloc): Change add functions to use
11151         Sized_relobj*.
11152         * output.cc (Output_reloc::Output_reloc): Change relobj to
11153         Sized_relobj*.
11154         (Output_reloc::local_section_offset): Change return type to
11155         Elf_Addr.  Use get_output_section_offset.
11156         (Output_reloc::get_address): Likewise.
11157         (Output_section::is_input_address_mapped): Don't call
11158         is_section_specially_mapped.
11159         (Output_section::output_offset): Likewise.
11160         (Output_section::output_address): Likewise.
11161         (Output_section::starting_output_address): Likewise.
11162         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11163         parameter to Sized_relobj*.
11164         (Copy_relocs::need_copy_reloc): Likewise.
11165         (Copy_relocs::save): Likewise.
11166         * copy-relocs.h (class Copy_relocs): Update declarations.
11167         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11168         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11169         * target-reloc.h (relocate_for_relocatable): Change
11170         offset_in_output_section type to Elf_Addr.  Change code that uses
11171         it as well.
11172         * layout.cc (Layout::layout): Always set *off.
11173         * mapfile.cc (Mapfile::print_input_section): Use
11174         output_section_offset.
11175         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11176         Sized_relobj*.
11177         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11178         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11179         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11180
11181 2008-07-03  Ian Lance Taylor  <iant@google.com>
11182
11183         * layout.cc (Layout::include_section): Do not discard unrecognized
11184         SHT_STRTAB sections.
11185
11186 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11187
11188         * script.cc (Lex::can_continue_name): Make '?' allowable in
11189         version-script names.
11190         * testsuite/version_script.map: Change glob pattern to use '?'
11191
11192 2008-06-30  Manish Singh  <yosh@gimp.org>
11193
11194         PR 6585
11195         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11196         Correct typo.
11197
11198 2008-06-30  Ian Lance Taylor  <iant@google.com>
11199
11200         PR 6660
11201         PR 6682
11202         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11203         versions]: Don't try to read the value in the contents, since we
11204         don't use it.  Use the template endianness when writing.
11205
11206 2008-06-25  Cary Coutant  <ccoutant@google.com>
11207
11208         * fileread.cc (File_read::make_view): Assert on zero-length view.
11209         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11210         symbol table when there are no symbols to read.
11211
11212 2008-06-23  Craig Silverstein  <csilvers@google.com>
11213
11214         * version.cc (version_string): Bump to 1.7
11215
11216 2008-06-18  Craig Silverstein  <csilvers@google.com>
11217
11218         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11219         constant 0xFFFF to type Valtype.
11220         (Powerpc_relocate_functions::rel16_ha): Likewise.
11221
11222 2008-06-17  Ian Lance Taylor  <iant@google.com>
11223
11224         * output.h (Output_section::Input_section): Initialize p2align_ to
11225         zero for Output_section_data constructors.
11226         (Output_section::Input_section::addralign): If not an input
11227         section, return the alignment of the Output_section_data.
11228         * testsuite/copy_test.cc: New file.
11229         * testsuite/copy_test_1.cc: New file.
11230         * testsuite/copy_test_2.cc: New file.
11231         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11232         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11233         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11234         (copy_test_1_pic.o, copy_test_1.so): New targets.
11235         (copy_test_2_pic.o, copy_test_2.so): New targets.
11236         * testsuite/Makefile.in: Rebuild.
11237
11238         * script-sections.cc (Script_sections::place_orphan): Initialize
11239         local variable exact.
11240
11241 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11242
11243         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11244
11245 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11246             David S. Miller  <davem@davemloft.net>
11247
11248         * powerpc.cc: New file.
11249         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11250         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11251         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11252         * Makefile.in: Rebuild.
11253
11254 2008-06-09  Ian Lance Taylor  <iant@google.com>
11255
11256         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11257         <exception>.
11258         (throwing, orig_terminate): New static variables.
11259         (terminate_handler): New static function.
11260         (t2): Set terminate handler.
11261
11262 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11263
11264         PR 6584
11265         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11266         alignment.
11267
11268 2008-05-30  Cary Coutant  <ccoutant@google.com>
11269
11270         * archive.cc (Archive::include_all_members) Correct to step
11271         over symbol table and extended name table in thin archives.
11272
11273 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11274
11275         PR 6407
11276         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11277         calculation.
11278
11279 2008-05-28  Caleb Howe  <cshowe@google.com>
11280
11281         * reduced_debug_output.cc: New file.
11282         * reduced_debug_output.h: New file.
11283         * options.h (class General_options): Add --strip-debug-non-line.
11284         * options.cc (General_options::finalize): Add strip_debug_non_line
11285         to the strip heirarchy.
11286         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11287         fields.
11288         * layout.cc: Include "reduced_debug_output.h".
11289         (Layout::Layout): Initialize new fields.
11290         (line_only_debug_sections): New static array.
11291         (is_lines_only_debug_sections): New static inline function.
11292         (Layout::include_section): Handle --strip-debug-non-line.
11293         (Layout::make_output_section): If --strip-debug-non-line, build
11294         new output sections for .debug_abbrev and .debug_info.
11295         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11296         gold.  Warn about possible overflow.
11297         (read_signed_LEB_128): Likewise.
11298         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11299         (read_signed_LEB_128): Declare.
11300         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11301         (HFILES): Add reduced_debug_output.h.
11302         * Makefile.in: Rebuild.
11303
11304 2008-05-21  Ian Lance Taylor  <iant@google.com>
11305
11306         * mapfile.cc: New file.
11307         * mapfile.h: New file.
11308         * options.h (class General_options): Add -M/--print-map and -Map.
11309         * options.cc (General_options::finalize): Make -M equivalent to
11310         -Map -.
11311         * main.cc: Include <cstdio> and "mapfile.h".
11312         (main): Open mapfile if requested.
11313         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11314         constructor.  Change caller.
11315         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11316         (queue_middle_tasks): Likewise.
11317         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11318         declarations.
11319         * archive.cc: Include "mapfile.h".
11320         (Archive::add_symbols): Add mapfile parameter.  Change all
11321         callers.  Pass mapfile, symbol, and reason to include_member.
11322         (Archive::include_all_members): Add mapfile parameter.  Change all
11323         callers.
11324         (Archive::include_member): Add mapfile, sym, and why parameters.
11325         Change all callers.  Report inclusion to map file.
11326         * archive.h: Include "fileread.h".
11327         (class Archive): Update declarations.
11328         (Archive::file): New const method.
11329         (class Add_archive_symbols): Add mapfile_ field.  Update
11330         constructor.  Change all callers.
11331         * readsyms.h (class Read_symbols): Likewise.
11332         (class Finish_group): Likewise.
11333         (class Read_script): Likewise.
11334         * common.cc: Include "mapfile.h".
11335         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11336         all callers.
11337         (Symbol_table::do_allocate_commons): Likewise.
11338         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11339         symbol allocation to mapfile.
11340         * common.h (class Allocate_commons_task): Add mapfile_ field.
11341         Update constructor.  Change all callers.
11342         * symtab.h (class Symbol_table): Update declarations.
11343         * layout.cc: Include "mapfile.h".
11344         (Layout_task_runner::run): Print information to mapfile.
11345         (Layout::create_gold_note): Change Output_data_fixed_space to
11346         Output_data_zero_fill.
11347         (Layout::create_build_id): Likewise.
11348         (Layout::print_to_mapfile): New function.
11349         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11350         constructor.  Change caller.
11351         (class Layout): Declare print_to_mapfile.
11352         * output.cc (Output_section::Input_section::print_to_mapfile): New
11353         function.
11354         (Output_section::add_input_section): If producing a map, always
11355         add to input_sections_ list.
11356         (Output_section::do_print_to_mapfile): New function.
11357         (Output_segment::print_sections_to_mapfile): New function.
11358         (Output_segment::print_section_list_to_mapfile): New function.
11359         * output.h: Include "mapfile.h".
11360         (Output_data::print_to_mapfile): New function.
11361         (Output_data::do_print_to_mapfile): New virtual function.
11362         (Output_segment_headers::do_print_to_mapfile): New function.
11363         (Output_file_header::do_print_to_mapfile): New function.
11364         (Output_data_const::do_print_to_mapfile): New function.
11365         (class Output_data_const_buffer): Add map_name_ field.  Update
11366         constructor.  Change all callers.  Add do_print_to_mapfile
11367         function.
11368         (class Output_data_fixed_space): Likewise.
11369         (class Output_data_space): Likewise.
11370         (class Output_data_zero_fill): New class.
11371         (Output_data_strtab::do_print_to_mapfile): New function.
11372         (Output_data_reloc_base::do_print_to_mapfile): New function.
11373         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11374         (Output_data_group::do_print_to_mapfile): New function.
11375         (Output_data_got::do_print_to_mapfile): New function.
11376         (Output_data_dynamic::do_print_to_mapfile): New function.
11377         (Output_symtab_xindex::do_print_to_mapfile): New function.
11378         (class Output_section): Declare do_print_to_mapflie.  Declare
11379         print_to_mapfile in Input_section.
11380         (class Output_segment): Declare new functions.
11381         * object.h (Sized_relobj::symbol_count): New function.
11382         * script-sections.cc
11383         (Output_section_element_dot_assignment::set_section_addresses):
11384         Change Output_data_fixed_space to Output_data_zero_fill.
11385         (Output_data_expression::do_print_to_mapfile): New function.
11386         * script.cc (read_input_script): Add mapfile parameter.  Change
11387         all callers.
11388         * script.h (read_input_script): Update declaration.
11389         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11390         (Eh_frame::do_print_to_mapfile): New function.
11391         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11392         (Output_merge_string::do_print_to_mapfile): New function.
11393         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11394         function.
11395         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11396         function.
11397         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11398         function.
11399         * Makefile.am (CCFILES): Add mapfile.cc.
11400         (HFILES): Add mapfile.h.
11401         * Makefile.in: Rebuild.
11402
11403 2008-05-19  Ian Lance Taylor  <iant@google.com>
11404
11405         * options.h (class General_options): Add -z relro.
11406         * layout.cc (Layout::Layout): Initialize relro_segment_.
11407         (Layout::add_output_section_data): Return the output section.
11408         (Layout::make_output_section): Rcognize relro sections and mark
11409         them appropriately.
11410         (Layout::attach_allocated_section_to_segment): Put relro sections
11411         in a PT_GNU_RELRO segment.
11412         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11413         section as relro.
11414         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11415         PT_TLS segments.
11416         (Layout::linkonce_mapping): Map d.rel.ro.local to
11417         .data.rel.ro.local.
11418         (Layout::output_section_name): Us .data.rel.ro.local for any
11419         section which begins with that.
11420         * layout.h (class Layout): Update add_output_section_data
11421         declaration.  Add relro_segment_ field.
11422         * output.cc (Output_section::Output_section): Initialize is_relro_
11423         and is_relro_local_ fields.
11424         (Output_segment::add_output_section): Group relro sections.
11425         (Output_segment::is_first_section_relro): New function.
11426         (Output_segment::maximum_alignment): If there is a relro section,
11427         align the segment to the common page size.
11428         (Output_segment::set_section_addresses): Track whether we are
11429         looking at relro sections.  If the last section is a relro
11430         section, align to the common page size.
11431         (Output_segment::set_section_list_addresses): Add in_relro
11432         parameter.  Change all callers.  Align to the page size when
11433         moving from relro to non-relro section.
11434         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11435         segment.
11436         * output.h (class Output_section): Add is_relro_ and
11437         is_relro_local_ fields.
11438         (Output_section::is_relro): New function.
11439         (Output_section::set_is_relro): New function.
11440         (Output_section::is_relro_local): New function.
11441         (Output_section::set_is_relro_local): New function.
11442         (class Output_segment): Update declarations.
11443         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11444         * sparc.cc (Target_sparc::got_section): Likewise.
11445         * x86_64.cc (Target_x86_64::got_section): Likewise.
11446         * testsuite/relro_test_main.cc: New file.
11447         * testsuite/relro_test.cc: New file.
11448         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11449         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11450         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11451         (relro_test.so, relro_test_pic.o): New targets.
11452         * testsuite/Makefile.in: Rebuild.
11453
11454 2008-05-16  Ian Lance Taylor  <iant@google.com>
11455
11456         * output.cc (Output_segment::add_output_section): Remove front
11457         parameter.
11458         * output.h (class Output_segment): Remove
11459         add_initial_output_section and overloaded add_output_section.
11460         Update declaration of remaining add_output_section.
11461         * layout.cc (Layout::create_interp): Call add_output_section
11462         rather than add_initial_output_section.
11463         (Layout::finish_dynamic_section): Likewise.
11464
11465         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11466         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11467         know the dynamic type.
11468         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11469         field.  Initialize it in constructor.
11470         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11471         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11472         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11473         reloc.
11474
11475         * output.cc (Output_reloc::get_address): Change return type to
11476         Elf_Addr.
11477         * output.h (class Output_reloc): Update get_address declaration.
11478         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11479         for section addresses.
11480
11481 2008-05-09  Ian Lance Taylor  <iant@google.com>
11482
11483         PR 6493
11484         * gold.cc (gold_nomem): Use return value of write.
11485
11486 2008-05-08  Ian Lance Taylor  <iant@google.com>
11487
11488         * symtab.c (Symbol::init_base_output_data): Add version
11489         parameter.  Change all callers.
11490         (Symbol::init_base_output_segment): Likewise.
11491         (Symbol::init_base_constant): Likewise.
11492         (Symbol::init_base_undefined): Likewise.
11493         (Sized_symbol::init_output_data): Likewise.
11494         (Sized_symbol::init_output_segment): Likewise.
11495         (Sized_symbol::init_constant): Likewise.
11496         (Sized_symbol::init_undefined): Likewise.
11497         (Symbol_table::do_define_in_output_data): If the new symbol has a
11498         version, mark it as the default.
11499         (Symbol_table::do_define_in_output_segment): Likewise.
11500         (Symbol_table::do_define_as_constant): Likewise.
11501         * symtab.h (class Symbol): Update declarations.
11502         (class Sized_symbol): Likewise.
11503         * resolve.cc (Symbol::override_version): New function.
11504         (Symbol::override_base): Call override_version.
11505         (Symbol::override_base_with_special): Likewise.
11506         * testsuite/ver_script_8.script: New file.
11507         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11508         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11509         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11510         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11511
11512 2008-05-06  Ian Lance Taylor  <iant@google.com>
11513
11514         PR 6049
11515         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11516         functions.
11517         (class General_options): Remove existing --undefined, and add
11518         --no-undefined instead.  Add new --undefined as synonym for -u.
11519         * archive.cc (Archive::add_symbols): Check whether symbol was
11520         named with -u.
11521         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11522         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11523         all uses.  Add IS_UNDEFINED.  Update declarations to split
11524         different versions of init_base.  Declare init_base_undefined.
11525         (Symbol::is_defined): Handle IS_UNDEFINED.
11526         (Symbol::is_undefined): Likewise.
11527         (Symbol::is_weak_undefined): Call is_undefined.
11528         (Symbol::is_absolute): Handle IS_CONSTANT.
11529         (class Sized_symbol): Update declarations to split different
11530         versions of init.  Declare init_undefined.
11531         (class Symbol_table): Declare new functions.
11532         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11533         Change all callers.
11534         (Symbol::init_base_output_data): Likewise.
11535         (Symbol::init_base_output_segment): Likewise.
11536         (Symbol::init_base_constant): Likewise.
11537         (Symbol::init_base_undefined): New function.
11538         (Sized_symbol::init_object): Rename from init.  Change all
11539         callers.
11540         (Sized_symbol::init_output_data): Likewise.
11541         (Sized_symbol::init_output_segment): Likewise.
11542         (Sized_symbol::init_constant): Likewise.
11543         (Sized_symbol::init_undefined): New function.
11544         (Symbol_table::add_undefined_symbols_from_command_line): New
11545         function.
11546         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11547         function.
11548         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11549         (Symbol::output_section): Likewise.
11550         (Symbol::set_output_section): Likewise.
11551         (Symbol_table::sized_finalize_symbol): Likewise.
11552         (Symbol_table::sized_write_globals): Likewise.
11553         * resolve.cc (Symbol_table::should_override): Likewise.
11554         (Symbol::override_base_with_special): Likewise.
11555
11556         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11557         symbol, change it to have default visibility.
11558         * testsuite/protected_1.cc: New file.
11559         * testsuite/protected_2.cc: New file.
11560         * testsuite/protected_3.cc: New file.
11561         * testsuite/protected_main_1.cc: New file.
11562         * testsuite/protected_main_2.cc: New file.
11563         * testsuite/protected_main_3.cc: New file.
11564         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11565         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11566         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11567         (protected_1.so): New target.
11568         (protected_1_pic.o, protected_2_pic.o): New targets.
11569         (protected_3_pic.o): New target.
11570         (check_PROGRAMS): Add protected_2.
11571         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11572         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11573         * testsuite/Makefile.in: Rebuild.
11574
11575         * options.h (DEFINE_var): Add set_user_set_##varname__.
11576         (DEFINE_bool_alias): New macro.
11577         (class General_options): Define -Bstatic using DEFINE_bool_alias
11578         rather than DEFINE_special.  Add --undefined as an alias for -z
11579         defs.
11580         * options.cc (General_options::parse_Bstatic): Remove.
11581
11582         * options.h (class General_options): Add --fatal-warnings.
11583         * main.cc (main): Implement --fatal-warnings.
11584         * errors.h (Errors::warning_count): New function.
11585
11586         * options.h (class General_options): Add -Bsymbolic-functions.
11587         * symtab.h (Symbol::is_preemptible): Check for
11588         -Bsymbolic-functions.
11589
11590 2008-05-05  Ian Lance Taylor  <iant@google.com>
11591
11592         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11593         as noVARNAME rather than no-VARNAME.
11594         (class General_options): Add option -z combreloc.
11595         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11596         get_address.
11597         (Output_reloc::sort_before) [SHT_REL]: New function.
11598         (Output_reloc::sort_before) [SHT_RELA]: New function.
11599         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11600         Sort_relocs_comparison.
11601         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11602         parameter.  Change all callers.
11603         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11604         sort_relocs parameter.  Change all callers.
11605         * output.cc (Output_reloc::get_address): New function, broken out
11606         of write_rel.
11607         (Output_reloc::write_rel): Call it.
11608         (Output_reloc::compare): New function.
11609         (Output_data_reloc_base::do_write): Optionally sort relocs.
11610
11611         * configure.ac: If targ_extra_obj is set, link it in.
11612         * configure.tgt: Initialize all variables.
11613         (x86_64*): Set targ_extra_obj and targ_extra_size.
11614         * configure: Rebuild.
11615
11616         * object.cc (Sized_relobj::include_section_group): Adjust section
11617         indexes read from group data.  Build vector to pass to
11618         layout_group.
11619         * layout.cc (Layout::layout_group): Add flags and shndxes
11620         parameters.  Remove contents parameter.  Change caller.  Update
11621         explicit instantiations.
11622         * layout.h (class Layout): Update layout_group declaration.
11623         * output.cc (Output_data_group::Output_data_group): Add flags and
11624         input_shndxes parameters.  Remove contents parameter.  Change
11625         caller.
11626         (Output_data_group::do_write): Change input_sections_ to
11627         input_shndxes_.
11628         * output.h (class Output_data_group): Update constructor
11629         declaration.  Rename input_sections_ to input_shndxes_.
11630         * testsuite/many_sections_test.cc: Add template.
11631
11632 2008-04-30  Cary Coutant  <ccoutant@google.com>
11633
11634         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11635
11636         * layout.cc (Layout::include_section): Refactored check for debug
11637         info section.
11638         (Layout::add_comdat): Add new parameters.  Change type
11639         of signature parameter.  Add object and shndx to signatures table.
11640         (Layout::find_kept_object): New function.
11641         * layout.h: Include <cstring>.
11642         (Layout::is_debug_info_section): New function.
11643         (Layout::add_comdat): Add new parameters.
11644         (Layout::find_kept_object): New function.
11645         (Layout::Kept_section): New struct.
11646         (Layout::Signatures): Change type of map range.
11647         * object.cc (Relobj::output_section_address): New function.
11648         (Sized_relobj::include_section_group): Add new parameters.  Change
11649         calls to Layout::add_comdat.  Change to build table of kept comdat
11650         groups and table mapping discarded sections to kept sections.
11651         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11652         (Sized_relobj::do_layout): Change calls to include_section_group and
11653         include_linkonce_section.
11654         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11655         value to zero when section is discarded.
11656         (Sized_relobj::map_to_kept_section): New function.
11657         * object.h (Relobj::output_section_address): New function.
11658         (Relobj::Comdat_group): New type.
11659         (Relobj::find_comdat_group): New function.
11660         (Relobj::Comdat_group_table): New type.
11661         (Relobj::Kept_comdat_section): New type.
11662         (Relobj::Kept_comdat_section_table): New type.
11663         (Relobj::add_comdat_group): New function.
11664         (Relobj::set_kept_comdat_section): New function.
11665         (Relobj::get_kept_comdat_section): New function.
11666         (Relobj::comdat_groups_): New field.
11667         (Relobj::kept_comdat_sections_): New field.
11668         (Symbol_value::input_value): Update comment.
11669         (Sized_relobj::map_to_kept_section) New function.
11670         (Sized_relobj::include_linkonce_section): Add new parameter.
11671         * target-reloc.h (Comdat_behavior): New type.
11672         (get_comdat_behavior): New function.
11673         (relocate_section): Add code to map a discarded section to the
11674         corresponding kept section when applying a relocation.
11675
11676 2008-04-30  Craig Silverstein  <csilvers@google.com>
11677
11678         * dwarf_reader.cc (next_generation_count): New static var.
11679         (Addr2line_cache_entry): New struct.
11680         (addr2line_cache): New static var.
11681         (Dwarf_line_info::one_addr2line): Added caching.
11682         (Dwarf_line_info::clear_addr2line_cache): New function.
11683         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11684         cache-size parameter.
11685         (Dwarf_line_info::one_addr2line_cache): New function.
11686         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11687         new cache-size argument to one_addr2line(), and clear cache.
11688
11689 2008-04-28  Cary Coutant  <ccoutant@google.com>
11690
11691         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11692         R_386_PC8 relocations.
11693
11694 2008-04-23  Ian Lance Taylor  <iant@google.com>
11695
11696         * object.cc (Sized_relobj::include_section_group): Check for
11697         invalid section group.
11698
11699         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11700         header size.
11701
11702         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11703         than read for file header.
11704         * archive.cc (Archive::include_member): Likewise.
11705
11706 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11707
11708         * aclocal.m4: Regenerate.
11709         * configure: Regenerate.
11710
11711 2008-04-19  Ian Lance Taylor  <iant@google.com>
11712
11713         * version.cc (version_string): Bump to 1.6.
11714
11715         * testsuite/Makefile.am (many_sections_r_test): New target.
11716         (many_sections_r_test_SOURCES): Remove.
11717         (many_sections_r_test_DEPENDENCIES): Remove.
11718         (many_sections_r_test_LDFLAGS): Remove.
11719         (many_sections_r_test_LDADD): Remove.
11720
11721         * object.cc (Sized_relobj::do_add_symbols): Always pass
11722         local_symbol_count_ to add_from_relobj.
11723
11724         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11725         every thousand variables.
11726         * testsuite/Makefile.in: Rebuild.
11727
11728         * object.cc (Xindex::initialize_symtab_xindex): New function.
11729         (Xindex::read_symtab_xindex): New function.
11730         (Xindex::sym_xindex_to_shndx): New function.
11731         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11732         available.
11733         (Sized_relobj::do_initialize_xindex): New function.
11734         (Sized_relobj::do_read_symbols): Adjust section links.
11735         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11736         parameter.  Change all callers.
11737         (Sized_relobj::include_section_group): Adjust section links and
11738         symbol section indexes.
11739         (Sized_relobj::do_layout): Adjust section links.
11740         (Sized_relobj::do_count_local_symbols): Adjust section links and
11741         symbol section indexes.
11742         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11743         ordinary and special symbols.
11744         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11745         dynsym_xindex parameters.  Change all callers.  Adjust section
11746         links.  Use SHN_XINDEX when needed.
11747         (Sized_relobj::get_symbol_location_info): Adjust section links.
11748         Don't get fooled by special symbols.
11749         * object.h (class Xindex): Define.
11750         (class Object): Add xindex_ parameter.  Declare virtual functoin
11751         do_initialize_xindex.
11752         (Object::adjust_sym_shndx): New function.
11753         (Object::set_xindex): New protected function.
11754         (class Symbol_value): Add is_ordinary_shndx_ field.
11755         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11756         (Symbol_value::value): Assert ordinary section.
11757         (Symbol_value::initialize_input_to_output_map): Likewise.
11758         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11759         Change all callers.
11760         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11761         all callers.
11762         (class Sized_relobj): Update declarations.
11763         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11764         parameter.  Change all callers.
11765         (Sized_relobj::adjust_shndx): New function.
11766         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11767         field.
11768         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11769         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11770         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11771         (Sized_dynobj::read_dynsym_section): Adjust section links.
11772         (Sized_dynobj::read_dynamic): Likewise.
11773         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11774         section links.
11775         (Sized_dynobj::do_initialize_xindex): New function.
11776         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11777         do_initialize_xindex.
11778         (Sized_dynobj::adjust_shndx): New function.
11779         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11780         dynsym_xindex_ fields.
11781         (Layout::finalize): Add a call to set_section_indexes before
11782         creating the symtab sections.
11783         (Layout::set_section_indexes): Don't do anything if the section
11784         already has a section index.
11785         (Layout::create_symtab_sections): Add shnum parameter.  Change
11786         caller.  Create .symtab_shndx section if needed.
11787         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11788         caller.
11789         (Layout::allocated_output_section_count): New function.
11790         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11791         needed.
11792         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11793         fields.  Update declarations.
11794         (Layout::symtab_xindex): New function.
11795         (Layout::dynsym_xindex): New function.
11796         (class Write_symbols_task): Add layout_ field.
11797         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11798         Change caller.
11799         * output.cc (Output_section_headers::Output_section_headers): Add
11800         shstrtab_section parameter.  Change all callers.
11801         (Output_section_headers::do_sized_write): Store overflow values
11802         for section count and section string table section index in
11803         section header zero.
11804         (Output_file_header::do_sized_write): Check for overflow of
11805         section count and section string table section index.
11806         (Output_symtab_xindex::do_write): New function.
11807         (Output_symtab_xindex::endian_do_write): New function.
11808         * output.h (class Output_section_headers): Add shstrtab_section_.
11809         Update declarations.
11810         (class Output_symtab_xindex): Define.
11811         (Output_section::has_out_shndx): New function.
11812         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11813         field.
11814         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11815         Change all callers.
11816         (Sized_symbol::init): Likewise.
11817         (Symbol::output_section): Check for ordinary symbol.
11818         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11819         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11820         callers.
11821         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11822         Change all callers.  Simplify handling of symbols from sections
11823         not included in the link.
11824         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11825         distinction.
11826         (Weak_alias_sorter::operator()): Assert that symbols are
11827         ordinary.
11828         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11829         distinction.
11830         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11831         parameters.  Change all callers.
11832         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11833         symbol distinction.  Use SHN_XINDEX when needed.
11834         (Symbol_table::write_section_symbol): Add symtab_xindex
11835         parameter.  Change all callers.
11836         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11837         SHN_XINDEX when needed.
11838         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11839         declarations.
11840         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11841         (Symbol::is_defined): Check is_ordinary.
11842         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11843         (Symbol::is_absolute, Symbol::is_common): Likewise.
11844         (class Sized_symbol): Update declarations.
11845         (class Symbol_table): Update declarations.
11846         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11847         parameters.  Change all callers.
11848         (Sized_symbol::override): Likewise.
11849         (Symbol_table::override): Likewise.
11850         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11851         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11852         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11853         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11854         to be in an ordinary section.
11855         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11856         object and is_ordinary parameters.  Change all callers.
11857         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11858         Change all callers.  Don't add undefined or non-ordinary symbols
11859         to reloc_map_.
11860         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11861         Change all callers.
11862         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11863         declarations.
11864         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11865         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11866         (Sized_relobj::relocate_sections): Likewise.
11867         * target-reloc.h (scan_relocs): Adjust section symbol index.
11868         (scan_relocatable_relocs): Likewise.
11869         * i386.cc (Scan::local): Check for ordinary symbols.
11870         * sparc.cc (Scan::local): Likewise.
11871         * x86_64.cc (Scan::local): Likewise.
11872         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11873         to symbol_section_and_value.
11874         * testsuite/many_sections_test.cc: New file.
11875         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11876         (check_PROGRAMS): Add many_sections_test.
11877         (many_sections_test_SOURCES): Define.
11878         (many_sections_test_DEPENDENCIES): Define.
11879         (many_sections_test_LDFLAGS): Define.
11880         (BUILT_SOURCES): Add many_sections_define.h.
11881         (many_sections_define.h): New target.
11882         (BUILT_SOURCES): Add many_sections_check.h.
11883         (many_sections_check.h): New target.
11884         (check_PROGRAMS): Add many_sections_r_test.
11885         (many_sections_r_test_SOURCES): Define.
11886         (many_sections_r_test_DEPENDENCIES): Define.
11887         (many_sections_r_test_LDFLAGS): Define.
11888         (many_sections_r_test_LDADD): Define.
11889         (many_sections_r_test.o): New target.
11890         * testsuite/Makefile.in: Rebuild.
11891
11892 2008-04-17  Cary Coutant  <ccoutant@google.com>
11893
11894         * errors.cc (Errors::info): New function.
11895         (gold_info): New function.
11896         * errors.h (Errors::info): New function.
11897         * gold.h (gold_info): New function.
11898         * object.cc (Input_objects::add_object): Print trace output.
11899         * options.cc (options::parse_set): New function.
11900         (General_options::parse_wrap): Deleted.
11901         (General_options::General_options): Deleted initializer.
11902         * options.h (options::String_set): New typedef.
11903         (options::parse_set): New function.
11904         (DEFINE_set): New macro.
11905         (General_options::wrap): Changed to use DEFINE_set. Changed
11906         callers of any_wrap_symbols and is_wrap_symbol.
11907         (General_options::trace, General_options::trace_symbol):
11908         New options.
11909         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11910         (General_options::wrap_symbols_): Deleted.
11911         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11912
11913 2008-04-17  David S. Miller  <davem@davemloft.net>
11914
11915         * options.cc (General_options::parse_V): New function.
11916         * options.h: Add entries for -V and -Qy.
11917
11918 2008-04-17  Ian Lance Taylor  <iant@google.com>
11919
11920         * common.cc (Symbol_table::allocate_commons): Remove options
11921         parameter.  Change caller.
11922         (Symbol_table::do_allocate_commons): Remove options parameter.
11923         Change caller.  Just call do_allocate_commons_list twice.
11924         (Symbol_table::do_allocate_commons_list): New function, broken out
11925         of do_allocate_commons.
11926         * common.h (class Allocate_commons_task): Remove options_ field.
11927         Update constructor.
11928         * symtab.cc (Symbol_table::Symbol_table): Initialize
11929         tls_commons_.
11930         (Symbol_table::add_from_object): Put TLS common symbols on
11931         tls_commons_ list.
11932         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11933         which are IN_OUTPUT_DATA.
11934         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11935         allocate_commons and do_allocate_commons declarations.  Declare
11936         do_allocate_commons_list.
11937         * gold.cc (queue_middle_tasks): Update creation of
11938         Allocate_commons_task to not pass options.
11939         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11940         (TLS_TEST_C_FLAGS): New variable.
11941         (tls_test_c_pic.o): New target.
11942         (tls_test_shared.so): Link in tls_test_c_pic.o.
11943         (tls_test_c_pic_ie.o): New target.
11944         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11945         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11946         (tls_test_c.o): New target.
11947         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11948         (tls_pic_test_LDADD): Likewise.
11949         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11950         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11951         (tls_test_c_gnu2.o): New target.
11952         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11953         tls_test_c_gnu2.o.
11954         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11955         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11956         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11957         * testsuite/tls_test.cc: Include "config.h".
11958         (t_last): Call t11_last.
11959         * testsuite/tls_test.h (t11, t11_last): Declare.
11960         * testsuite/tls_test_c.c: New file.
11961         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11962         * configure.ac: Check for OpenMP support.
11963         * configure, config.in, Makefile.in: Rebuild.
11964         * testsuite/Makefile.in: Rebuild.
11965
11966 2008-04-16  Cary Coutant  <ccoutant@google.com>
11967
11968         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11969         (Target_i386::tls_base_symbol_defined_): New field.
11970         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11971         (Target_i386::Scan::global): Likewise.
11972         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11973         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11974         (Target_x86_64::tls_base_symbol_defined_): New field.
11975         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11976         (Target_x86_64::Scan::global): Likewise.
11977
11978 2008-04-16  Cary Coutant  <ccoutant@google.com>
11979
11980         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11981         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11982         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11983         building shared libraries.
11984         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11985         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11986         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11987         * testsuite/Makefile.in: Rebuild.
11988         * testsuite/weak_undef.h: New file.
11989         * testsuite/weak_undef_file1.cc: Add extra test cases.
11990         * testsuite/weak_undef_file2.cc: Likewise.
11991         * testsuite/weak_undef_test.cc: Likewise.
11992
11993 2008-04-16  David S. Miller  <davem@davemloft.net>
11994
11995         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11996         Add issued_non_pic_error_ field.  Declare check_non_pic.
11997         (Target_sparc::Scan::check_non_pic): New function.
11998         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11999         (Target_sparc::Scan::global): Likewise.
12000
12001         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
12002         * configure: Rebuild.
12003
12004         * options.h (DEFINE_enable): New macro.
12005         (new_dtags): New enable option.
12006         (initfirst, interpose, loadfltr, nodefaultlib,
12007         nodelete, nodlopen, nodump): New -z options.
12008         * layout.cc (Layout:finish_dynamic_section): If new
12009         dtags enabled, emit DT_RUNPATH.  Also, emit a
12010         DT_FLAGS_1 containing any specified -z flags.
12011
12012 2008-04-16  Ian Lance Taylor  <iant@google.com>
12013
12014         * copy-relocs.cc: New file.
12015         * copy-relocs.h: New file.
12016         * reloc.cc: Remove Copy_relocs code.
12017         * reloc.h: Likewise.
12018         * reloc-types.h (struct Reloc_types) [both versions]: Add
12019         get_reloc_addend_noerror.
12020         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
12021         variants of add_global which take an addend which must be zero.
12022         * i386.cc: Include "copy-relocs.h".
12023         (class Target_i386): Change type of copy_relocs_ to variable,
12024         update initializer.
12025         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
12026         Change all callers.
12027         (Target_i386::do_finalize_sections): Change handling of
12028         copy_relocs_.
12029         * sparc.cc: Include "copy-relocs.h".
12030         (class Target_sparc): Change type of copy_relocs_ to variable,
12031         update initializer.
12032         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
12033         Change all callers.
12034         (Target_sparc::do_finalize_sections): Change handling of
12035         copy_relocs_.
12036         * x86_64.cc: Include "copy-relocs.h".
12037         (class Target_x86_64): Change type of copy_relocs_ to variable,
12038         update initializer.
12039         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
12040         class.  Change all callers.
12041         (Target_x86_64::do_finalize_sections): Change handling of
12042         copy_relocs_.
12043         * Makefile.am (CCFILES): Add copy-relocs.cc.
12044         (HFILES): Add copy-relocs.h.
12045
12046         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
12047
12048         * testsuite/script_test_4.sh: Permit leading zeroes.
12049
12050 2008-04-15  Ian Lance Taylor  <iant@google.com>
12051
12052         * script-sections.cc (Script_sections::create_segments): Use
12053         header_size_adjustment even when there is enough room for the
12054         headers.
12055         * testsuite/script_test_4.sh: New file.
12056         * testsuite/script_test_4.t: New file.
12057         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
12058         (check_DATA): Add script_test_4.stdout.
12059         (MOSTLYCLEANFILES): Likewise.
12060         (script_test_4): New target.
12061         (script_test_4.stdout): New target.
12062         * testsuite/Makefile.in: Rebuild.
12063
12064         * sparc.cc: Add definitions for Output_data_plt_sparc class
12065         constants.
12066
12067 2008-04-14  David S. Miller  <davem@davemloft.net>
12068
12069         * sparc.cc: New file.
12070         * Makefile.am (TARGETSOURCES): Add sparc.cc
12071         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
12072         * configure.tgt: Document targ_extra_size and
12073         targ_extra_big_endian.  Add entries for sparc-* and
12074         sparc64-*.
12075         * configure.ac: Handle targ_extra_size and
12076         targ_extra_big_endian.
12077         * Makefile.in: Rebuild.
12078         * configure: Likewise.
12079         * po/POTFILES.in: Likewise.
12080         * po/gold.pot: Likewise.
12081
12082 2008-04-14  Ian Lance Taylor  <iant@google.com>
12083
12084         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
12085         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
12086         in the name/type/flags to section mapping.  Don't call
12087         allocate_output_section.
12088         (Layout::choose_output_section): Change parameter from adjust_name
12089         to is_input_section.  Don't permit input sections after sections
12090         are attached to segments.  Don't call allocate_output_section.
12091         (Layout::layout_eh_frame): Call update_flags_for_input_section,
12092         not write_enable_output_section.
12093         (Layout::make_output_section): Don't push to
12094         unattached_section_list_ nor call attach_to_segment.  Call
12095         attach_section_to_segment if sections are attached.
12096         (Layout::attach_sections_to_segments): New function.
12097         (Layout::attach_section_to_segment): New function.
12098         (Layout::attach_allocated_section_to_segment): Rename from
12099         attach_to_segment.  Remove flags parameter.
12100         (Layout::allocate_output_section): Remove function.
12101         (Layout::write_enable_output_section): Remove function.
12102         * layout.h (class Layout): Update for above changes.  Add new
12103         field sections_are_attached_.
12104         * output.h (Output_section::update_flags_for_input_section): New
12105         function.
12106         * output.cc (Output_section::add_input_section): Call
12107         update_flags_for_input_section.
12108         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
12109
12110 2008-04-11  Cary Coutant  <ccoutant@google.com>
12111
12112         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
12113         thought unnecessary.
12114         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
12115
12116 2008-04-11  Ian Lance Taylor  <iant@google.com>
12117
12118         * output.h (class Output_section_data): Remove inline definition
12119         of set_addralign.
12120         * output.cc (Output_section_data::set_addralign): New function.
12121
12122 2008-04-11  Cary Coutant  <ccoutant@google.com>
12123
12124         Add support for TLS descriptors for i386 and x86_64.
12125         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
12126         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
12127         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
12128         GOT_TYPE_TLS_DESC.
12129         (Target_i386::got_mod_index_entry): Remove unnecessary code.
12130         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
12131         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
12132         relocations.
12133         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
12134         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
12135         Fix problem with initial-exec relocations.
12136         (Target_i386::Relocate::relocate_tls): Likewise.
12137         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
12138         relaxation.
12139         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
12140         support for section-plus-offset dynamic table entries.
12141         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
12142         (Output_data_dynamic::Dynamic_entry): Add support for
12143         section-plus-offset dynamic table entries.
12144         (Output_data_dynamic::Classification): Likewise.
12145         (Output_data_dynamic::classification_): Renamed offset_.
12146         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
12147         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
12148         (Target_x86_64::make_plt_section): New function.
12149         (Target_x86_64::reserve_tlsdesc_entries): New function.
12150         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
12151         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
12152         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
12153         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
12154         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
12155         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
12156         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
12157         add extra PLT entry for TLS descriptors.
12158         (Output_data_plt_x86_64::got_): New field.
12159         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12160         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12161         fields.
12162         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12163         descriptors.
12164         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12165         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12166         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12167         R_386_TLS_DESC_CALL relocations.
12168         (Target_x86_64::Scan::global): Likewise.
12169         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12170         for TLS descriptors.
12171         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12172         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12173         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12174         GD-to-IE relaxation.
12175         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12176         and TLS_DESCRIPTORS.
12177         * Makefile.in: Rebuild.
12178         * configure: Rebuild.
12179         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12180         (tls_test_shared2.so): New target.
12181         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12182         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12183         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12184         (tls_shared_gd_to_ie_test_LDADD): New variable.
12185         (tls_shared_gnu2_gd_to_ie_test): New target.
12186         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12187         New targets.
12188         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12189         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12190         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12191         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12192         (tls_shared_gnu2_test): New target.
12193         (tls_test_gnu2_shared.so): New target.
12194         (tls_shared_gnu2_test_SOURCES): New variable.
12195         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12196         (tls_shared_gnu2_test_LDFLAGS): New variable.
12197         (tls_shared_gnu2_test_LDADD): New variable.
12198         * testsuite/Makefile.in: Rebuild.
12199         * testsuite/Makefile.
12200
12201 2008-04-11  Ian Lance Taylor  <iant@google.com>
12202
12203         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12204         justsyms.t.
12205         * testsuite/Makefile.in: Rebuild.
12206
12207         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12208         long.
12209         * testsuite/script_test_2.cc (main): Adjust test.
12210
12211 2008-04-11  David S. Miller  <davem@davemloft.net>
12212             Ian Lance Taylor  <iant@google.com>
12213
12214         * options.h (General_options): Add entries for '-Y' and
12215         '-relax'.
12216         * options.cc (General_options:finalize): If -Y was used, add those
12217         entries to the library path instead of the default "/lib" and
12218         "/usr/lib".
12219
12220 2008-04-11  David S. Miller  <davem@davemloft.net>
12221
12222         * testsuite/justsyms.t: Start at 0x100.
12223         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12224         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12225         long.
12226         * testsuite/script_test_2.cc: Adjust string and section length
12227         checks.
12228
12229 2008-04-09  Ian Lance Taylor  <iant@google.com>
12230
12231         PR gold/5996
12232         * script-sections.cc (Sections_element::allocate_to_segment): Add
12233         orphan parameter.
12234         (Output_section_definition::allocate_to_segment): Likewise.
12235         (Orphan_output_section::allocate_to_segment): Likewise.
12236         (Script_sections::attach_sections_using_phdrs_clause): Don't
12237         propagate non-PT_LOAD segments to orphan sections.
12238         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12239         readelf rather than objdump.
12240         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12241         .interp section and PT_INTERP segment are the same size.
12242         * testsuite/Makefile.in: Rebuild.
12243
12244         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12245         aliases for symbols defined in the same object.
12246         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12247         (weak_alias_test_SOURCES): New variable.
12248         (weak_alias_test_DEPENDENCIES): New variable.
12249         (weak_alias_test_LDFLAGS): New variable.
12250         (weak_alias_test_LDADD): New variable.
12251         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12252         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12253         (weak_alias_test_3.o): New target.
12254         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12255         * testsuite/weak_alias_test_main.cc: New file.
12256         * testsuite/weak_alias_test_1.cc: New file.
12257         * testsuite/weak_alias_test_2.cc: New file.
12258         * testsuite/weak_alias_test_3.cc: New file.
12259
12260 2008-04-08  Ian Lance Taylor  <iant@google.com>
12261
12262         * options.h (class General_options): Add --noinhibit-exec option.
12263         * main.cc (main): Check --noinhibit-exec.
12264
12265         * options.h (class General_options): Define --wrap as a special
12266         option.  Add wrap_symbols_ field.
12267         (General_options::any_wrap_symbols): New function.
12268         (General_options::is_wrap_symbol): New function.
12269         * options.cc (General_options::parse_wrap): New function.
12270         (General_options::General_options): Initialize wrap_symbols_.
12271         * symtab.cc (Symbol_table::wrap_symbol): New function.
12272         (Symbol_table::add_from_object): Handle --wrap.
12273         * symtab.h (class Symbol_table): Declare wrap_symbol.
12274         * target.h (Target::wrap_char): New function.
12275         (Target::Target_info): Add wrap_char field.
12276         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12277         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12278         * testsuite/testfile.cc (Target_test::test_target_info):
12279         Likewise.
12280
12281         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12282         there is one.
12283
12284         * layout.h (class Layout): Add added_eh_frame_data_ field.
12285         * layout.cc (Layout::Layout): Initialize new field.
12286         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12287         output section until we find a section we merged successfully.
12288         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12289         that the size be non-zero.
12290
12291         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12292         qualifier.
12293
12294 2008-04-08  Craig Silverstein  <csilvers@google.com>
12295
12296         * configure.ac: Export new conditional variable HAVE_ZLIB.
12297         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12298         on HAVE_ZLIB.
12299         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12300         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12301
12302 2008-04-07  Ian Lance Taylor  <iant@google.com>
12303
12304         * version.cc (version_string): Set to "1.5".
12305
12306         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12307         Add issued_non_pic_error_ field.  Declare check_non_pic.
12308         (Target_x86_64::Scan::check_non_pic): New function.
12309         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12310         (Target_x86_64::Scan::global): Likewise.
12311
12312         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12313         addend parameter.  Change caller.  Handle merge sections.
12314         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12315         Address to Addend.  Don't add in the result of
12316         local_section_offset, pass down the addend and use the returned
12317         value.
12318         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12319         Update declarations of local_section_offset and symbol_value.
12320         * testsuite/two_file_test_1.cc (t18): New function.
12321         * testsuite/two_file_test_2.cc (f18): New function.
12322         * testsuite/two_file_test_main.cc (main): Call t18.
12323         * testsuite/two_file_test.h (t18, f18): Declare.
12324
12325         * configure.ac: Don't test for objdump, c++filt, or readelf.
12326         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12327         conditionals.
12328         (TEST_READELF): New variable.
12329         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12330         (check_PROGRAMS): Add two_file_strip_test.
12331         (two_file_strip_test): New target.
12332         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12333         (two_file_same_shared_strip_test_SOURCES): New variable.
12334         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12335         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12336         (two_file_same_shared_strip_test_LDADD): New variable.
12337         (two_file_shared_strip.so): New target.
12338         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12339         (ver_test_5.syms, ver_test_7.syms): Likewise.
12340         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12341         (strip_test_3.stdout): Use TEST_OBJDUMP.
12342         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12343
12344 2008-04-04  Cary Coutant  <ccoutant@google.com>
12345
12346         * symtab.h (Symbol::is_weak_undefined): New function.
12347         (Symbol::is_strong_undefined): New function.
12348         (Symbol::is_absolute): New function.
12349         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12350         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12351         absolute symbols.
12352         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12353         (weak_undef_test): New target.
12354         * testsuite/Makefile.in: Rebuild.
12355         * testsuite/weak_undef_file1.cc: New file.
12356         * testsuite/weak_undef_file2.cc: New file.
12357         * testsuite/weak_undef_test.cc: New file.
12358
12359 2008-04-03  Craig Silverstein  <csilvers@google.com>
12360
12361         * compressed_output.h (class Output_compressed_section): Use
12362         unsigned buffer.
12363         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12364         add zlib header.
12365         (zlib_compressed_suffix): Removed.
12366         (Output_compressed_section::set_final_data_size): Use unsigned
12367         buffers.
12368         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12369         Fix linker invocation.
12370         (flagstest_o_specialfile_and_compress_debug_sections):
12371         Likewise.
12372         * testsuite/Makefile.in: Regenerated.
12373
12374 2008-04-02  David S. Miller  <davem@davemloft.net>
12375
12376         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12377         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12378
12379 2008-04-02  Craig Silverstein  <csilvers@google.com>
12380
12381         * TODO: New file.
12382
12383 2008-04-02  Ian Lance Taylor  <iant@google.com>
12384
12385         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12386         parameters.  Update for new key type to views_.  Change all
12387         callers.
12388         (File_read::read): Adjust for byteshift in returned view.
12389         (File_read::add_view): New function, broken out of
12390         find_and_make_view.
12391         (File_read::make_view): New function, broken out of
12392         find_and_make_view.
12393         (File_read::find_or_make_view): Add offset and aligned
12394         parameters.  Rewrite accordingly.  Change all callers.
12395         (File_read::get_view): Add offset and aligned parameters.  Adjust
12396         for byteshift in return value.
12397         (File_read::get_lasting_view): Likewise.
12398         * fileread.h (class File_read): Update declarations.
12399         (class File_read::View): Add byteshift_ field.  Add byteshift to
12400         constructor.  Add byteshift method.
12401         * archive.h (Archive::clear_uncached_views): New function.
12402         (Archive::get_view): Add aligned parameter.  Change all callers.
12403         * object.h (Object::get_view): Add aligned parameter.  Change all
12404         callers.
12405         (Object::get_lasting_view): Likewise.
12406
12407         * fileread.cc (File_read::release): Don't call clear_views if
12408         there are multiple objects.
12409         * fileread.h (File_read::clear_uncached_views): New function.
12410         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12411         on the archive.
12412
12413 2008-03-31  Cary Coutant  <ccoutant@google.com>
12414
12415         Add thin archive support.
12416         * archive.cc (Archive::armagt): New const.
12417         (Archive::setup): Remove task parameter and calls to unlock.
12418         (Archive::unlock_nested_archives): New function.
12419         (Archive::read_header): Add nested_off parameter. Change
12420         all callers.
12421         (Archive::interpret_header): Likewise.
12422         (Archive::include_all_members): Change to handle thin
12423         archives.
12424         (Archive::include_member): Likewise.
12425         * archive.h (Archive::Archive): Add new parameters and
12426         initializers.
12427         (Archive::armagt): New const.
12428         (Archive::setup): Remove task parameter.
12429         (Archive::unlock_nested_archives): New function.
12430         (Archive::read_header): Add nested_off parameter.
12431         (Archive::interpret_header): Likewise.
12432         (Archive::Nested_archive_table): New typedef.
12433         (Archive::is_thin_archive_): New field.
12434         (Archive::nested_archives_): New field.
12435         (Archive::options_): New field.
12436         (Archive::dirpath_): New field.
12437         (Archive::task_): New field.
12438         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12439         for thin archives.  Pass additional parameters to
12440         Archive::Archive.  Unlock the archive file after calling
12441         Archive::setup.
12442
12443 2008-03-29  Ian Lance Taylor  <iant@google.com>
12444
12445         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12446         version symbol to be local.
12447         * testsuite/ver_test_4.sh: New file.
12448         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12449         (check_DATA): Add ver_test_4.syms.
12450         (ver_test_4.syms): New target.
12451         * testsuite/Makefile.in: Rebuild.
12452
12453         * output.cc
12454         (Output_section::Input_section_sort_entry::has_priority): New
12455         function.
12456         (Output_section::Input_section_sort_entry::match_file_name): New
12457         function.
12458         (Output_section::Input_section_sort_entry::match_section_name):
12459         Remove.
12460         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12461         Remove.
12462         (Output_section::Input_section_sort_entry::match_section_file):
12463         Remove.
12464         (Output_section::Input_section_sort_compare::operator()): Rewrite
12465         using new Input_section_sort_entry functions.  Sort crtbegin and
12466         crtend first.  Sort sections with no priority before sections with
12467         a priority.
12468         * testsuite/initpri1.c (d3): Check j != 4.
12469         (cd5): New constructor/destructor function.
12470         (main): Check j != 2.
12471
12472         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12473         new symbol when resolving, don't call set_is_default.
12474         * testsuite/ver_test_7.cc: New file.
12475         * testsuite/ver_test_7.sh: New file.
12476         * testsuite/Makefile.am (ver_test_7.so): New target.
12477         (ver_test_7.o): New target.
12478         (check_SCRIPTS): Add ver_test_7.sh.
12479         (check_DATA): Add ver_test_7.syms.
12480         (ver_test_7.syms): New target.
12481
12482 2008-03-28  Ian Lance Taylor  <iant@google.com>
12483
12484         * layout.cc (Layout::layout): If we see an input section with a
12485         name that needs sorting, set the must_sort flag for the output
12486         section.
12487         (Layout::make_output_section): If the name of the output section
12488         indicates that it might require sorting, set the may_sort flag.
12489         * output.h (Output_section::may_sort_attached_input_sections): New
12490         function.
12491         (Output_section::set_may_sort_attached_input_sections): New
12492         function.
12493         (Output_section::must_sort_attached_input_sections): New
12494         function.
12495         (Output_section::set_must_sort_attached_input_sections): New
12496         function.
12497         (class Output_section): Declare Input_section_sort_entry.  Define
12498         Input_section_sort_compare.  Declare
12499         sort_attached_input_sections.  Add new fields:
12500         may_sort_attached_input_sections_,
12501         must_sort_attached_input_sections_,
12502         attached_input_sections_are_sorted_.
12503         * output.cc (Output_section::Output_section): Initialize new
12504         fields.
12505         (Output_section::add_input_section): Add an entry to
12506         input_sections_ if may_sort or must_sort are true.
12507         (Output_section::set_final_data_size): Call
12508         sort_attached_input_sections if necessary.
12509         (Output_section::Input_section_sort_entry): Define new class.
12510         (Output_section::Input_section_sort_compare::operator()): New
12511         function.
12512         (Output_section::sort_attached_input_sections): New function.
12513         * configure.ac: Check whether the compiler supports constructor
12514         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12515         * testsuite/initpri1.c: New file.
12516         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12517         CONSTRUCTOR_PRIORITY.
12518         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12519         (initpri1_LDFLAGS): New variable.
12520         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12521
12522 2008-03-27  Ian Lance Taylor  <iant@google.com>
12523
12524         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12525         * testsuite/common_test_1.c: New file.
12526         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12527         (common_test_1_SOURCES): New variable.
12528         (common_test_1_DEPENDENCIES): New variable.
12529         (common_test_1_LDFLAGS): New variable.
12530
12531         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12532         and commons_ correctly when NAME/VERSION does not override
12533         NAME/NULL.
12534         * testsuite/ver_test_6.c: New file.
12535         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12536         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12537         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12538
12539 2008-03-26  Ian Lance Taylor  <iant@google.com>
12540
12541         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12542         of an undefined symbol from a version script.
12543         * testsuite/Makefile.am (ver_test_5.so): New target.
12544         (ver_test_5.o): New target.
12545         (check_SCRIPTS): Add ver_test_5.sh.
12546         (check_DATA): Add ver_test_5.syms.
12547         (ver_test_5.syms): New target.
12548         * testsuite/ver_test_5.cc: New file.
12549         * testsuite/ver_test_5.script: New file.
12550         * testsuite/ver_test_5.sh: New file.
12551         * Makefile.in, testsuite/Makefile.in: Rebuild.
12552
12553         PR gold/5986
12554         Fix problems building gold with gcc 4.3.0.
12555         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12556         (gold_error_at_location, gold_warning_at_location): Use it.
12557         * configure.ac: Check whether we can compile and use a template
12558         function with a printf attribute.
12559         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12560         when jumping over bytes.
12561         * object.cc: Instantiate Object::read_section_data.
12562         * debug.h: Include <cstring>
12563         * dwarf_reader.cc: Include <algorithm>
12564         * main.cc: Include <cstring>.
12565         * options.cc: Include <cstring>.
12566         * output.cc: Include <cstring>.
12567         * script.cc: Include <cstring>.
12568         * script.h: Include <string>.
12569         * symtab.cc: Include <cstring> and <algorithm>.
12570         * target-select.cc: Include <cstring>.
12571         * version.cc: Include <string>.
12572         * testsuite/testmain.cc: Include <cstdlib>.
12573         * configure, config.in: Rebuild.
12574
12575 2008-03-25  Ian Lance Taylor  <iant@google.com>
12576
12577         * options.cc: Include "../bfd/bfdver.h".
12578         (options::help): Print bug reporting address.
12579
12580         * version.cc (print_version): Adjust output for current value of
12581         BFD_VERSION_STRING.
12582
12583         * NEWS: New file.
12584
12585         * options.cc (options::help): Print list of supported targets.
12586         * target-select.h: Include <vector>.
12587         (class Target_selector): Make machine_, size_, and is_big_endian_
12588         fields const.  Add bfd_name_ and instantiated_target_ fields.
12589         (Target_selector::Target_selector): Add bfd_name parameter.
12590         (Target_selector::recognize): Make non-virtual, call
12591         do_recognize.
12592         (Target_selector::recognize_by_name): Make non-virtual, call
12593         do_recognize_by_name.
12594         (Target_selector::supported_names): New function.
12595         (Target_selector::bfd_name): New function.
12596         (Target_selector::do_instantiate_target): New pure virtual
12597         function.
12598         (Target_selector::do_recognize): New virtual function.
12599         (Target_selector::do_recognize_by_name): New virtual function.
12600         (Target_selector::instantiate_target): New private function.
12601         (supported_target_names): Declare.
12602         * target-select.cc (Target_selector::Target_selector): Update for
12603         new parameter and fields.
12604         (select_target_by_name): Check that the name matches before
12605         calling recognize_by_name.
12606         (supported_target_names): New function.
12607         * i386.cc (class Target_selector_i386): Update Target_selector
12608         constructor call.  Remove recognize and recognize_by_name.  Add
12609         do_instantiate_target.
12610         * x86_64.cc (class Target_selector_x86_64): Likewise.
12611         * testsuite/testfile.cc (class Target_selector_test): Update for
12612         changes to Target_selector.
12613
12614         * README: Rewrite, with some notes on unsupported features.
12615
12616 2008-03-24  Cary Coutant  <ccoutant@google.com>
12617
12618         * i386.cc (Target_i386::Got_type): New enum declaration.
12619         (Target_i386::Scan::local): Updated callers of Output_data_got
12620         member functions.
12621         (Target_i386::Scan::global): Likewise.
12622         (Target_i386::Relocate::relocate): Likewise.
12623         (Target_i386::Relocate::relocate_tls): Likewise.
12624         * object.h (Got_offset_list): New class.
12625         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12626         (Sized_relobj::local_got_offset): Likewise.
12627         (Sized_relobj::set_local_got_offset): Likewise.
12628         (Sized_relobj::local_has_tls_got_offset): Removed.
12629         (Sized_relobj::local_tls_got_offset): Removed.
12630         (Sized_relobj::set_local_tls_got_offset): Removed.
12631         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12632         * output.cc (Output_data_got::add_global): Added got_type parameter.
12633         (Output_data_got::add_global_with_rel): Likewise.
12634         (Output_data_got::add_global_with_rela): Likewise.
12635         (Output_data_got::add_global_pair_with_rel): New function.
12636         (Output_data_got::add_global_pair_with_rela): New function.
12637         (Output_data_got::add_local): Added got_type parameter.
12638         (Output_data_got::add_local_with_rel): Likewise.
12639         (Output_data_got::add_local_with_rela): Likewise.
12640         (Output_data_got::add_local_pair_with_rel): New function.
12641         (Output_data_got::add_local_pair_with_rela): New function.
12642         (Output_data_got::add_global_tls): Removed.
12643         (Output_data_got::add_global_tls_with_rel): Removed.
12644         (Output_data_got::add_global_tls_with_rela): Removed.
12645         (Output_data_got::add_local_tls): Removed.
12646         (Output_data_got::add_local_tls_with_rel): Removed.
12647         (Output_data_got::add_local_tls_with_rela): Removed.
12648         * output.h (Output_data_got::add_global): Added got_type parameter.
12649         (Output_data_got::add_global_with_rel): Likewise.
12650         (Output_data_got::add_global_with_rela): Likewise.
12651         (Output_data_got::add_global_pair_with_rel): New function.
12652         (Output_data_got::add_global_pair_with_rela): New function.
12653         (Output_data_got::add_local): Added got_type parameter.
12654         (Output_data_got::add_local_with_rel): Likewise.
12655         (Output_data_got::add_local_with_rela): Likewise.
12656         (Output_data_got::add_local_pair_with_rel): New function.
12657         (Output_data_got::add_local_pair_with_rela): New function.
12658         (Output_data_got::add_global_tls): Removed.
12659         (Output_data_got::add_global_tls_with_rel): Removed.
12660         (Output_data_got::add_global_tls_with_rela): Removed.
12661         (Output_data_got::add_local_tls): Removed.
12662         (Output_data_got::add_local_tls_with_rel): Removed.
12663         (Output_data_got::add_local_tls_with_rela): Removed.
12664         * resolve.cc (Symbol::override_base_with_special): Removed
12665         reference to has_got_offset_ field.
12666         * symtab.cc (Symbol::init_fields): Replaced initialization
12667         of got_offset_ with got_offsets_.  Removed initialization
12668         of has_got_offset_
12669         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12670         (Symbol::got_offset): Likewise.
12671         (Symbol::set_got_offset): Likewise.
12672         (Symbol::has_tls_got_offset): Removed.
12673         (Symbol::tls_got_offset): Removed.
12674         (Symbol::set_tls_got_offset): Removed.
12675         (Symbol::got_offset_): Removed.
12676         (Symbol::tls_mod_got_offset_): Removed.
12677         (Symbol::tls_pair_got_offset_): Removed.
12678         (Symbol::got_offsets_): New field.
12679         (Symbol::has_got_offset): Removed.
12680         (Symbol::has_tls_mod_got_offset): Removed.
12681         (Symbol::has_tls_pair_got_offset): Removed.
12682         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12683         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12684         member functions.
12685         (Target_x86_64::Scan::global): Likewise.
12686         (Target_x86_64::Relocate::relocate): Likewise.
12687         (Target_x86_64::Relocate::relocate_tls): Likewise.
12688
12689 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12690
12691         * yyscript.y: Fix spelling error in comment.
12692
12693 2008-03-24  Ian Lance Taylor  <iant@google.com>
12694
12695         * options.h (class General_options): Define build_id option.
12696         * layout.h (class Layout): Declare write_build_id, create_note,
12697         create_build_id.  Add build_id_note_ member.
12698         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12699         "libiberty.h", "md5.h", "sha1.h".
12700         (Layout::Layout): Initialize eh_frame_data_,
12701         eh_frame_hdr_section_, and build_id_note_.
12702         (Layout::finalize): Call create_build_id.
12703         (Layout::create_note): New function, broken out of
12704         Layout::create_gold_note.
12705         (Layout::create_gold_note): Call create_note.
12706         (Layout::create_build_id): New function.
12707         (Layout::write_build_id): New function.
12708         (Close_task_runner::run): Call write_build_id.
12709
12710         * x86_64.cc: Correct license to GPLv3.
12711
12712 2008-03-23  Ian Lance Taylor  <iant@google.com>
12713
12714         * options.cc: Include "demangle.h".
12715         (parse_optional_string): New function.
12716         (parse_long_option): Handle takes_optional_argument.
12717         (parse_short_option): Update dash_z initializer.  Handle
12718         takes_optional_argument.
12719         (General_options::General_options): Initialize do_demangle_.
12720         (General_options::finalize): Set do_demangle_.  Handle demangling
12721         style.
12722         * options.h (parse_optional_string): Declare.
12723         (struct One_option): Add optional_arg field.  Update constructor.
12724         Update call constructor calls.  Add takes_optional_argument
12725         function.
12726         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12727         (DEFINE_optional_string): Define.
12728         (General_options::demangle): Change from DEFINE_bool to
12729         DEFINE_optional_string.
12730         (General_options::no_demangle): New function.
12731         (General_options::do_demangle): New function.
12732         (General_options::set_do_demangle): New function.
12733         (General_options::execstack_status_): Move definition to end of
12734         class definition.
12735         (General_options::static_): Likewise.
12736         (General_options::do_demangle_): New field.
12737         * object.cc (big_endian>::get_symbol_location_info): Call
12738         Options::do_demangle, not Options::demangle.
12739         * symtab.cc (demangle): Likewise.
12740
12741 2008-03-22  Ian Lance Taylor  <iant@google.com>
12742
12743         * gold.h: Include <cstddef> and <sys/types.h>
12744         * options.h: Include <cstring>.
12745
12746 2008-03-21  Ian Lance Taylor  <iant@google.com>
12747
12748         * Added source code to GNU binutils.