gold/ChangeLog

   1 2012-03-15  Ian Lance Taylor  <iant@google.com>
   2
   3         PR gold/13850
   4         * layout.cc (Layout::make_output_section): Correctly mark
   5         SHT_INIT_ARRAY, et. al., as relro.
   6
   7 2012-03-14  Doug Kwan  <dougkwan@google.com>
   8
   9         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
  10         dynamic relocations for protected symbols in shared objects.
  11
  12 2012-03-13  Ian Lance Taylor  <iant@google.com>
  13
  14         * resolve.cc (Symbol_table::resolve): When merging common symbols,
  15         keep the larger alignment.
  16
  17 2012-03-12  Cary Coutant  <ccoutant@google.com>
  18
  19         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
  20         handling of DW_LNE_define_file.
  21
  22 2012-03-12  Cary Coutant  <ccoutant@google.com>
  23
  24         * reduced_debug_output.cc
  25         (Output_reduced_debug_info_section::get_die_end): Add new FORM
  26         codes to switch.
  27
  28 2012-02-29  Cary Coutant  <ccoutant@google.com>
  29
  30         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
  31
  32 2012-02-29  Cary Coutant  <ccoutant@google.com>
  33
  34         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
  35         Call Object::decompressed_section_contents.
  36         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
  37         New dtor.
  38         (Sized_dwarf_line_info::buffer_start_): New data member.
  39         * merge.cc (Output_merge_data::do_add_input_section): Call
  40         Object::decompressed_section_contents.
  41         (Output_merge_string::do_add_input_section): Likewise.
  42         * object.cc (need_decompressed_section): New function.
  43         (build_compressed_section_map): Decompress sections needed later.
  44         (Sized_relobj_file::do_decompressed_section_contents): New function.
  45         (Sized_relobj_file::do_discard_decompressed_sections): New function.
  46         * object.h (Object::decompressed_section_contents): New function.
  47         (Object::discard_decompressed_sections): New function.
  48         (Object::do_decompressed_section_contents): New function.
  49         (Object::do_discard_decompressed_sections): New function.
  50         (Compressed_section_info): New type.
  51         (Compressed_section_map): Include decompressed section contents.
  52         (Sized_relobj_file::do_decompressed_section_contents): New function.
  53         (Sized_relobj_file::do_discard_decompressed_sections): New function.
  54
  55 2012-02-16  Cary Coutant  <ccoutant@google.com>
  56
  57         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
  58         * testsuite/Makefile.in: Regenerate.
  59
  60 2012-02-14  Cary Coutant  <ccoutant@google.com>
  61
  62         * options.cc (General_options::finalize): Disallow -pie and -static.
  63
  64 2012-02-03  Doug Kwan  <dougkwan@google.com>
  65
  66         * arm.cc (Arm_relocate_functions::abs8,
  67         Arm_relocate_functions::abs16): Use
  68         Bits::has_signed_unsigned_overflow32.
  69         (Arm_relocate_functions::thm_abs8): Correct range of
  70         overflow check.
  71         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
  72         in assertions.
  73
  74 2012-02-02  Doug Kwan  <dougkwan@google.com>
  75
  76         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
  77         position independent outputs, not just shared objects.
  78
  79 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
  80
  81         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
  82         * configure: Regenerated.
  83
  84 2012-01-27  Ian Lance Taylor  <iant@google.com>
  85
  86         * reloc.h (Bits): New class with static functions, copied from
  87         namespace utils in arm.cc.
  88         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
  89         instead.
  90
  91 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
  92
  93         * incremental.cc (write_info_blocks): Correct relocation offset.
  94
  95 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
  96
  97         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
  98         (Relocate::tls_gd_to_le): Likewise.
  99
 100 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 101
 102         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
 103
 104 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 105
 106         * configure.ac: Check if -mcmodel=medium works.
 107         * configure: Regenerated.
 108
 109 2012-01-24  Cary Coutant  <ccoutant@google.com>
 110
 111         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
 112         definition and ...
 113         (read_unsigned_LEB_128_x): ... this new function.
 114         (read_signed_LEB_128): Replaced with inline definition and ...
 115         (read_signed_LEB_128_x): ... this new function.
 116         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
 117         (read_unsigned_LEB_128): Add inline definition.
 118         (read_signed_LEB_128_x): New function.
 119         (read_signed_LEB_128): Add inline definition.
 120         * testsuite/Makefile.am (leb128_unittest): New unit test.
 121         * testsuite/Makefile.in: Regenerate.
 122         * testsuite/leb128_unittest.cc: New unit test.
 123
 124 2012-01-23  Ian Lance Taylor  <iant@google.com>
 125
 126         PR gold/13617
 127         * i386.cc (Target_i386::do_code_fill): When using a jmp
 128         instruction, pad with nop instructions.
 129         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 130
 131 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 132
 133         * x86_64.cc (gc_process_relocs): Add typename on types used in
 134         template.
 135         (scan_relocs): Likewise.
 136         (relocate_section): Likewise.
 137         (apply_relocation): Likewise.
 138
 139 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
 140
 141         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
 142         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
 143         under x32.
 144
 145 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 146
 147         * x86_64.cc: Initial support for x32.
 148
 149 2012-01-03  Cary Coutant  <ccoutant@google.com>
 150
 151         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
 152         Use abstract base class for GOT.
 153         * gold/output.h (class Output_data_got_base): New abstract base class.
 154         (class Output_data_got): Derive from new base class, adjust ctors.
 155         (Output_data_got::reserve_slot): Make virtual; rename to
 156         do_reserve_slot; Adjust callers.
 157         * gold/target.h (Sized_target::init_got_plt_for_update): Return
 158         pointer to abstract base class.
 159         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
 160
 161 2011-12-18  Ian Lance Taylor  <iant@google.com>
 162
 163         * object.h (Relobj::local_symbol_value): New function.
 164         (Relobj::local_plt_offset): New function.
 165         (Relobj::local_has_got_offset): New function.
 166         (Relobj::local_got_offset): New function.
 167         (Relobj::set_local_got_offset): New function.
 168         (Relobj::do_local_symbol_value): New pure virtual function.
 169         (Relobj::do_local_plt_offset): Likewise.
 170         (Relobj::do_local_has_got_offset): Likewise.
 171         (Relobj::do_local_got_offset): Likewise.
 172         (Relobj::do_set_local_got_offset): Likewise.
 173         (Sized_relobj::do_local_has_got_offset): Rename from
 174         local_has_got_offset.
 175         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
 176         (Sized_relobj::do_set_local_got_offset): Rename from
 177         set_local_got_offset.
 178         (Sized_relobj_file::do_local_plt_offset): Rename from
 179         local_plt_offset.
 180         (Sized_relobj_file::do_local_symbol_value): New function.
 181         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 182         local_plt_offset.
 183         * output.cc (Output_data_got::Got_entry::write): Change object to
 184         Relobj.  Use local_symbol_value.
 185         (Output_data_got::add_global_with_rel): Change rel_dyn to
 186         Output_data_reloc_generic*.  Use add_global_generic.
 187         (Output_data_got::add_global_with_rela): Remove.  Change all
 188         callers to use add_global_with_rel.
 189         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 190         Output_data_reloc_generic*.  Use add_global_generic.
 191         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 192         callers to use add_global_pair_with_rel.
 193         (Output_data_got::add_local): Change object to Relobj*.
 194         (Output_data_got::add_local_plt): Likewise.
 195         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 196         change rel_dyn to Output_data_reloc_generic*.  Use
 197         add_local_generic.
 198         (Output_data_got::add_local_with_rela): Remove.  Change all
 199         callers to use all_local_with_rel.
 200         (Output_data_got::add_local_pair_with_rel): Change object to
 201         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 202         add_output_section_generic.
 203         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 204         callers to use add_local_pair_with_rel.
 205         (Output_data_got::reserve_local): Change object to Relobj*.
 206         * output.h: (class Output_data_reloc_generic): Add pure virtual
 207         declarations for add_global_generic, add_local_generic,
 208         add_output_section_generic.
 209         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 210         functions for Output_data_reloc_generic.  Update declarations for
 211         changes listed in output.cc.
 212         (class Output_data_got): Change template parameter to got_size.
 213         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 214         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 215         function.
 216         (Sized_relobj_incr::do_local_plt_offset): New function.
 217         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 218         add_global_generic.
 219
 220 2011-12-17  Cary Coutant  <ccoutant@google.com>
 221
 222         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 223         * resolve.cc (Symbol_table::resolve): Likewise.
 224         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 225         arrays.
 226         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 227
 228 2011-12-16  Ian Lance Taylor  <iant@google.com>
 229
 230         * output.h (Output_data_reloc_generic::add): Only call
 231         add_dynamic_reloc if this is a dynamic reloc section.
 232
 233 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 234
 235         PR gold/13505
 236         * target-reloc.h (apply_relocation): Replace <64, false> with
 237         <size, big_endian>.
 238
 239 2011-11-25  Nick Clifton  <nickc@redhat.com>
 240
 241         * po/it.po: New Italian translation.
 242
 243 2011-11-17  Sterling Augustine  <saugustine@google.com>
 244
 245         * script.cc (script_include_directive): Implement.
 246         (read_script_file): New local variables name and search_path. Update
 247         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 248         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 249         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 250
 251 2011-11-11  Sterling Augustine  <saugustine@google.com>
 252
 253         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 254         (file_or_sections_cmd): Likewise.
 255
 256 2011-11-11  Doug Kwan  <dougkwan@google.com>
 257
 258         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 259         if --just-symbols is given.
 260
 261 2011-11-10  Doug Kwan  <dougkwan@google.com>
 262
 263         PR gold/13362
 264         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 265         when processing data relocs.
 266         * reloc.h (Relocate_functions::rel_unaligned): New method.
 267         (Relocate_functions::pcrel_unaligned): Ditto.
 268         (Relocate_functions::rel32_unaligned): Ditto.
 269         (Relocate_functions::pcrel32_unaligned): Ditto.
 270
 271 2011-11-09  Doug Kwan  <dougkwan@google.com>
 272
 273         PR gold/13362
 274         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 275         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 276         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 277         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 278         (Relocate_functions::rel_unaligned): New.
 279         (Relocate_functions::rel32_unaligned): New.
 280         * target-reloc.h (relocate_for_relocatable): Add code to handle
 281         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 282         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 283         arm_unaligned_reloc_r): New targets.
 284         * testsuite/Makefile.in: Regenerate.
 285         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 286         linking.
 287
 288 2011-11-02  Ian Lance Taylor  <iant@google.com>
 289
 290         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 291         NATIVE_LINKER.
 292         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 293         * options.cc (General_options::finalize): Use library search path
 294         from configure script if specified.  If not native and no sysroot,
 295         only search TOOLLIBDIR.
 296         * options.h (Search_directory::Search_directory): Change name to
 297         const std::string&.
 298         (General_options::add_to_library_path_with_sysroot): Change arg to
 299         const std::string&.
 300         * configure, Makefile.in, config.in: Rebuild.
 301
 302 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 303
 304         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 305         we are working around the ARM1176 Erratum.
 306         * options.h (General_options::fix_arm1176): Add option.
 307         * testsuite/Makefile.am: Add testcases, and keep current ones
 308         working.
 309         * testsuite/Makefile.in: Regenerate.
 310         * testsuite/arm_fix_1176.s: New file.
 311         * testsuite/arm_fix_1176.sh: Likewise.
 312
 313 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 314
 315         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 316         may_use_blx_.
 317         (Target_arm::may_use_blx): Remove method.
 318         (Target_arm::set_may_use_blx): Likewise.
 319         (Target_arm::may_use_v4t_interworking): New method.
 320         (Target_arm::may_use_v5t_interworking): Likewise.
 321         (Target_arm::may_use_blx_): Remove member variable.
 322         (Arm_relocate_functions::arm_branch_common): Check for v5T
 323         interworking.
 324         (Arm_relocate_functions::thumb_branch_common): Likewise.
 325         (Reloc_stub::stub_type_for_reloc): Likewise.
 326         (Target_arm::do_finalize_sections): Correct interworking checks.
 327         * testsuite/Makefile.am: Add new tests.
 328         * testsuite/Makefile.in: Regenerate.
 329         * testsuite/arm_farcall_arm_arm.s: New test.
 330         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 331         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 332         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 333         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 334         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 335         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 336         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 337
 338 2011-10-31  Cary Coutant  <ccoutant@google.com>
 339
 340         PR gold/13023
 341         * expression.cc (Expression::eval_with_dot): Add
 342         is_section_dot_assignment parameter.
 343         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 344         absolute and assigning to dot within a section.
 345         * script-sections.cc
 346         (Output_section_element_assignment::set_section_addresses): Pass
 347         dot_section to set_if_absolute.
 348         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 349         as is_section_dot_assignment flag to eval_with_dot.
 350         (Output_section_element_dot_assignment::set_section_addresses):
 351         Likewise.
 352         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 353         parameter.  Also set value if relative to dot_section; set the
 354         symbol's output_section.
 355         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 356         parameter.  Adjust all callers.
 357         (Expression::eval_maybe_dot): Likewise.
 358         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 359         Adjust all callers.
 360         * testsuite/script_test_2.t: Test assignment of an absolute value
 361         to dot within an output section element.
 362
 363 2011-10-31  Cary Coutant  <ccoutant@google.com>
 364
 365         * options.h (class General_options): Add --[no-]gnu-unique options.
 366         * symtab.cc (Symbol_table::sized_write_globals): Convert
 367         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 368
 369 2011-10-31  Cary Coutant  <ccoutant@google.com>
 370
 371         PR gold/13359
 372         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 373         unnecessary assertion.
 374         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 375
 376 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 377
 378         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 379         gc_mark_symbol.
 380         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 381         gc_mark_symbol.
 382         Change to just keep the section associated with symbol.
 383         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 384         they are externally visible and --export-dynamic is turned on.
 385         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 386
 387 2011-10-19  Ian Lance Taylor  <iant@google.com>
 388
 389         PR gold/13163
 390         * script-sections.cc
 391         (Output_section_element_dot_assignment::needs_output_section): New
 392         function.
 393
 394 2011-10-19  Ian Lance Taylor  <iant@google.com>
 395
 396         PR gold/13204
 397         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 398         --section-start option was seen.
 399         * options.h (General_options::any_section_start): New function.
 400
 401 2011-10-18  David S. Miller  <davem@davemloft.net>
 402
 403         PR binutils/13301
 404         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 405         member to track relocation locations that have moved during TLS
 406         reloc optimizations.
 407         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 408         (Target_sparc::Relocate::relocate): Adjust view down by 4
 409         bytes if it matches reloc_adjust_addr_.
 410         (Target_sparc::Relocate::relocate_tls): Always move the
 411         __tls_get_addr call delay slot instruction forward 4 bytes when
 412         performing relaxation.
 413
 414 2011-10-18  Cary Coutant  <ccoutant@google.com>
 415
 416         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 417         (Output_file::map_no_anonymous): Check for non-zero
 418         return code from posix_fallocate.
 419
 420 2011-10-17  Cary Coutant  <ccoutant@google.com>
 421
 422         PR gold/13245
 423         * plugin.cc (is_visible_from_outside): Check for symbols
 424         referenced from dynamic objects.
 425         * resolve.cc (Symbol_table::resolve): Don't count references
 426         from dynamic objects as references from real ELF files.
 427         * testsuite/plugin_test_2.sh: Adjust expected result.
 428
 429 2011-10-17  Cary Coutant  <ccoutant@google.com>
 430
 431         * gold.cc: Include timer.h.
 432         (queue_middle_tasks): Stamp time.
 433         (queue_final_tasks): Likewise.
 434         * main.cc (main): Store timer in parameters.  Print timers
 435         for each pass.
 436         * parameters.cc (Parameters::Parameters): Initialize timer_.
 437         (Parameters::set_timer): New function.
 438         (set_parameters_timer): New function.
 439         * parameters.h (Parameters::set_timer): New function.
 440         (Parameters::timer): New function.
 441         (Parameters::timer_): New data member.
 442         (set_parameters_timer): New function.
 443         * timer.cc (Timer::stamp): New function.
 444         (Timer::get_pass_time): New function.
 445         * timer.h (Timer::stamp): New function.
 446         (Timer::get_pass_time): New function.
 447         (Timer::pass_times_): New data member.
 448
 449 2011-10-17  Cary Coutant  <ccoutant@google.com>
 450
 451         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 452         task for members of lib groups.
 453
 454 2011-10-17  Cary Coutant  <ccoutant@google.com>
 455
 456         PR gold/13288
 457         * fileread.cc (File_read::find_view): Add assert.
 458         (File_read::make_view): Move bounds check (replace with assert)...
 459         (File_read::find_or_make_view): ... to here.
 460
 461 2011-10-12  Cary Coutant  <ccoutant@google.com>
 462
 463         * output.cc (Output_file::open_base_file): Handle case where
 464         ::read returns less than requested size.
 465
 466 2011-10-10  Cary Coutant  <ccoutant@google.com>
 467
 468         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 469         Initialize defined_count_.
 470         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 471         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 472         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 473         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 474         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 475         * incremental.h (Sized_relobj_incr::defined_count_): New data
 476         member.
 477         (Sized_incr_dynobj::defined_count_): New data member.
 478         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 479         Return zeroes instead of internal error.
 480
 481 2011-10-10  Cary Coutant  <ccoutant@google.com>
 482
 483         PR gold/13249
 484         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 485         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 486         * output.h (class Output_reloc): Add use_plt_offset flag.
 487         (Output_reloc::type_): Adjust size of bit field.
 488         (Output_reloc::use_plt_offset_): New bit field.
 489         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 490         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 491         flag.  Adjust all callers.
 492         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 493         creating RELATIVE relocations.
 494
 495 2011-10-10  Nick Clifton  <nickc@redhat.com>
 496
 497         * po/es.po: Updated Spanish translation.
 498         * po/fi.po: Updated Finnish translation.
 499
 500 2011-10-03   Diego Novillo  <dnovillo@google.com>
 501
 502         * options.cc (parse_uint): Fix dereference of RETVAL.
 503
 504 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 505
 506         * layout.h (section_order_map_): New member.
 507         (get_section_order_map): New member function.
 508         * output.cc (Output_section::add_input_section): Check for patterns
 509         only when --section-ordering-file is specified.
 510         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 511         output_sections have been formed.
 512         * layout.cc (Layout_Layout): Initialize section_order_map_.
 513         * plugin.cc (update_section_order): Store order in order_map. Do not
 514         update the order.
 515         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 516         * testsuite/Makefile.in: Regenerate.
 517         * testsuite/plugin_section_order.c: New file.
 518         * testsuite/plugin_final_layout.cc: New file.
 519         * testsuite/plugin_final_layout.sh: New file.
 520
 521 2011-09-29  Cary Coutant  <ccoutant@google.com>
 522
 523         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 524         Check for NULL.
 525         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 526         symbols during incremental update.
 527         (Symbol_table::add_from_dynobj): Likewise.
 528
 529 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 530             Ian Lance Taylor  <iant@google.com>
 531
 532         * symtab.cc (Symbol_table::define_special_symbol): Always
 533         canonicalize version string.
 534
 535 2011-09-26  Cary Coutant  <ccoutant@google.com>
 536
 537         * gold.cc (queue_initial_tasks): Move option checks ...
 538         * options.cc (General_options::finalize): ... to here. Disable
 539         some options; make others fatal.
 540
 541 2011-09-26  Cary Coutant  <ccoutant@google.com>
 542
 543         gcc PR lto/47247
 544         * plugin.cc (get_symbols_v2): New function.
 545         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 546         (is_referenced_from_outside): New function.
 547         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 548         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 549         (get_symbols): Pass version parameter.
 550         (get_symbols_v2): New function.
 551         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 552         parameter.
 553         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 554         (onload): Add LDPT_GET_SYMBOLS_V2.
 555         (all_symbols_read_hook): Use get_symbols_v2; check for
 556         LDPR_PREVAILING_DEF_IRONLY_EXP.
 557         * testsuite/plugin_test_3.sh: Update expected results.
 558
 559 2011-09-23  Simon Baldwin  <simonb@google.com>
 560
 561         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 562         configuration options.
 563         * configure: Regenerate.
 564         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 565         * Makefile.in: Regenerate.
 566         * testsuite/Makefile.in: Regenerate.
 567
 568 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 569
 570         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 571
 572 2011-09-19  Cary Coutant  <ccoutant@google.com>
 573
 574         * incremental.cc (can_incremental_update): Fix typo in comment.
 575         * incremental.h (can_incremental_update): Likewise.
 576
 577 2011-09-18  Cary Coutant  <ccoutant@google.com>
 578
 579         * incremental.cc (can_incremental_update): New function.
 580         * incremental.h (can_incremental_update): New function.
 581         * layout.cc (Layout::init_fixed_output_section): Call it.
 582         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 583         * object.cc (Sized_relobj_file::do_layout): Call
 584         can_incremental_update.
 585
 586 2011-09-13  Cary Coutant  <ccoutant@google.com>
 587
 588         * configure.ac: Check for glibc support for gnu_indirect_function
 589         support with static linking, setting automake conditional
 590         IFUNC_STATIC.
 591         * Makefile.in: Regenerate.
 592         * configure: Regenerate.
 593
 594         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 595         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 596         for IFUNC_STATIC.
 597         * testsuite/Makefile.in: Regenerate.
 598
 599 2011-09-13  Cary Coutant  <ccoutant@google.com>
 600
 601         * incremental.cc (Sized_relobj_incr::do_layout): Call
 602         report_comdat_group for kept comdat sections.
 603         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 604         * testsuite/Makefile.in: Regenerate.
 605         * testsuite/incr_comdat_test_1.cc: New source file.
 606         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 607         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 608         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 609
 610 2011-09-13  Ian Lance Taylor  <iant@google.com>
 611
 612         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 613         variable external_symbols_offset.
 614
 615 2011-09-12  Ian Lance Taylor  <iant@google.com>
 616
 617         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 618         triggered if object has no symbols.
 619
 620 2011-09-09  David S. Miller  <davem@davemloft.net>
 621
 622         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 623         (Output_fill_debug_line::do_write): Likewise.
 624
 625 2011-08-29  Cary Coutant  <ccoutant@google.com>
 626
 627         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 628         casts to match formatting specs.
 629         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 630
 631 2011-08-26  Cary Coutant  <ccoutant@google.com>
 632
 633         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 634         remaining hole size when allocating.
 635         (Layout::make_output_section): Set fill methods for debug sections.
 636         * layout.h (Free_list::Free_list_node): Move from private to
 637         public.
 638         (Free_list::set_min_hole_size): New function.
 639         (Free_list::begin, Free_list::end): New functions.
 640         (Free_list::min_hole_): New data member.
 641         * output.cc: Include dwarf.h.
 642         (Output_fill_debug_info::do_minimum_hole_size): New function.
 643         (Output_fill_debug_info::do_write): New function.
 644         (Output_fill_debug_line::do_minimum_hole_size): New function.
 645         (Output_fill_debug_line::do_write): New function.
 646         (Output_section::Output_section): Initialize new data member.
 647         (Output_section::set_final_data_size): Ensure patch space is larger
 648         than minimum hole size.
 649         (Output_section::do_write): Fill holes in debug sections.
 650         * output.h (Output_fill): New class.
 651         (Output_fill_debug_info): New class.
 652         (Output_fill_debug_line): New class.
 653         (Output_section::set_free_space_fill): New function.
 654         (Output_section::free_space_fill_): New data member.
 655         * testsuite/Makefile.am (incremental_test_3): Add
 656         --incremental-patch option.
 657         (incremental_test_4): Likewise.
 658         (incremental_test_5): Likewise.
 659         (incremental_test_6): Likewise.
 660         (incremental_copy_test): Likewise.
 661         (incremental_common_test_1): Likewise.
 662         * testsuite/Makefile.in: Regenerate.
 663
 664 2011-08-26  Nick Clifton  <nickc@redhat.com>
 665
 666         * po/es.po: Updated Spanish translation.
 667
 668 2011-08-01  Cary Coutant  <ccoutant@google.com>
 669
 670         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 671         * gold/testsuite/Makefile.in: Regenerate.
 672         * gold/testsuite/justsyms_exec.c: New source file.
 673         * gold/testsuite/justsyms_lib.c: New source file.
 674
 675 2011-08-01  Cary Coutant  <ccoutant@google.com>
 676
 677         * layout.cc (Layout::set_segment_offsets): Don't realign text
 678         segment if -Ttext was specified.
 679         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 680         file type.
 681         * object.h (Sized_relobj_file::e_type): New function.
 682         (Sized_relobj_file::e_type_): New data member.
 683         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 684         base address for ET_EXEC files.
 685         * target.cc (Target::do_make_elf_object_implementation): Allow
 686         ET_EXEC files with --just-symbols option.
 687
 688 2011-07-28  Cary Coutant  <ccoutant@google.com>
 689
 690         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 691         Add thread_number parameter.
 692         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 693         * workqueue-threads.cc
 694         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 695         current thread if its thread number is greater than desired thread
 696         count.
 697         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 698         Add thread_number parameter.
 699         (Workqueue::should_cancel_thread): Likewise.
 700         (Workqueue::find_runnable_or_wait): Pass thread_number to
 701         should_cancel_thread.
 702         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 703         parameter.
 704
 705 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 706
 707         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 708         only after checking if it cannot be forced local.
 709         * symtab.h (is_externally_visible): Check if the symbol is not forced
 710         local.
 711
 712 2011-07-15  Ian Lance Taylor  <iant@google.com>
 713
 714         * options.h (class General_options): Add --print-output-format.
 715         Move -EL next to -EB, for  better --help output.
 716         * target-select.cc: Include <cstdio>, "options.h", and
 717         "parameters.h".
 718         (Target_selector::do_target_bfd_name): New function.
 719         (print_output_format): New function.
 720         * target-select.h (class Target_selector): Update declarations.
 721         (Target_selector::target_bfd_name): New function.
 722         (print_output_format): Declare.
 723         * main.cc: Include "target-select.h".
 724         (main): Handle --print-output-format.
 725         * gold.cc: Include "target-select.h".
 726         (queue_initial_tasks): Handle --print-output-format when there are
 727         no input files.
 728         * parameters.cc (parameters_force_valid_target): Give a better
 729         error message if -EB/-EL does not match target.
 730         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 731         function.
 732
 733 2011-07-15  Ian Lance Taylor  <iant@google.com>
 734
 735         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 736         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 737         (Output_data_plt_i386::do_write): Write address of .dynamic
 738         section to first entry in .got.plt section.
 739         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 740         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 741         Initialize layout_.
 742         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 743         section to first entry in .got.plt section.
 744         * layout.h (Layout::dynamic_section): New function.
 745
 746 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 747
 748         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 749         to claim_file call.
 750         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 751         input_section_position_, and input_section_glob_.
 752         (read_layout_from_file): Call function section_ordering_specified.
 753         * layout.h (is_section_ordering_specified): New function.
 754         (section_ordering_specified): New function.
 755         (section_ordering_specified_): New boolean member.
 756         * main.cc(main): Call load_plugins after layout object is defined.
 757         * output.cc (Output_section::add_input_section): Use
 758         function section_ordering_specified to check if section ordering is
 759         needed.
 760         * output.cc (Output_section::add_relaxed_input_section): Use
 761         function section_ordering_specified to check if section ordering is
 762         needed.
 763         (Output_section::update_section_layout): New function.
 764         (Output_section::sort_attached_input_sections): Check if input section
 765         must be reordered.
 766         * output.h (Output_section::update_section_layout): New function.
 767         * plugin.cc (get_section_count): New function.
 768         (get_section_type): New function.
 769         (get_section_name): New function.
 770         (get_section_contents): New function.
 771         (update_section_order): New function.
 772         (allow_section_ordering): New function.
 773         (Plugin::load): Add the new interfaces to the transfer vector.
 774         (Plugin_manager::load_plugins): New parameter.
 775         (Plugin_manager::all_symbols_read): New parameter.
 776         (Plugin_manager::claim_file): New parameter. Save the elf object for
 777         unclaimed objects.
 778         (Plugin_manager::get_elf_object): New function.
 779         (Plugin_manager::get_view): Change to directly use the bool to check
 780         if get_view is called from claim_file_hook.
 781         * plugin.h (input_objects): New function
 782         (Plugin__manager::load_plugins): New parameter.
 783         (Plugin_manager::claim_file): New parameter.
 784         (Plugin_manager::get_elf_object): New function.
 785         (Plugin_manager::in_claim_file_handler): New function.
 786         (Plugin_manager::in_claim_file_handler_): New member.
 787         (layout): New function.
 788         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 789         handler with an extra parameter. Make the elf object before calling
 790         claim_file handler.
 791         * testsuite/plugin_test.c (get_section_count): New function pointer.
 792         (get_section_type): New function pointer.
 793         (get_section_name): New function pointer.
 794         (get_section_contents): New function pointer.
 795         (update_section_order): New function pointer.
 796         (allow_section_ordering): New function pointer.
 797         (onload): Check if the new interfaces exist.
 798
 799 2011-07-13  Ian Lance Taylor  <iant@google.com>
 800
 801         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 802         relro section.
 803         * x86_64.cc (Target_x86_64::got_section): Likewise.
 804         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 805         (relro_now_test_SOURCES): New variable.
 806         (relro_now_test_DEPENDENCIES): New variable.
 807         (relro_now_test_LDFLAGS): New variable.
 808         (relro_now_test_LDADD): New variable.
 809         (relro_now_test.so): New target.
 810         * testsuite/Makefile.in: Rebuild.
 811
 812 2011-07-12  Ian Lance Taylor  <iant@google.com>
 813
 814         PR gold/12980
 815         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 816         GLOB_DAT relocation rather than a RELATIVE relocation for a
 817         protected symbol when creating a shared library.
 818         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 819         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 820         * testsuite/protected_main_1.cc (main): Test that protected
 821         function has same address.
 822
 823 2011-07-11  Ian Lance Taylor  <iant@google.com>
 824
 825         PR gold/12979
 826         * options.h (class General_options): Add -Bgroup.
 827         * options.cc (General_options::finalize): If -Bgroup is set,
 828         default to --unresolved-symbols=report-all.
 829         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 830         * target-reloc.h (issue_undefined_symbol_error): Handle
 831         --unresolved-symbols=report-all.
 832
 833 2011-07-08  Ian Lance Taylor  <iant@google.com>
 834
 835         PR gold/11985
 836         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 837         if linker script discards key sections.
 838         (Layout::create_dynamic_symtab): Likewise.
 839         (Layout::assign_local_dynsym_offsets): Likewise.
 840         (Layout::sized_create_version_sections): Likewise.
 841         (Layout::create_interp): Likewise.
 842         (Layout::finish_dynamic_section): Likewise.
 843         (Layout::set_dynamic_symbol_size): Likewise.
 844
 845 2011-07-08  Ian Lance Taylor  <iant@google.com>
 846
 847         PR gold/12386
 848         * options.h (class General_options): Add --unresolved-symbols.
 849         * target-reloc.h (issue_undefined_symbol_error): Check
 850         --unresolved-symbols.  Add comments.
 851
 852 2011-07-08  Ian Lance Taylor  <iant@google.com>
 853
 854         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 855         expression more complex.
 856
 857 2011-07-08  Ian Lance Taylor  <iant@google.com>
 858
 859         PR gold/11317
 860         * target-reloc.h (issue_undefined_symbol_error): New inline
 861         function, broken out of relocate_section.
 862         (relocate_section): Call issue_undefined_symbol_error.
 863         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 864         there is no TLS segment if we are about to issue an undefined
 865         symbol error.
 866         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 867
 868 2011-07-08  Ian Lance Taylor  <iant@google.com>
 869
 870         PR gold/12279
 871         * resolve.cc (Symbol_table::should_override): Add fromtype
 872         parameter.  Change all callers.  Give error when linking together
 873         TLS and non-TLS symbol.
 874         (Symbol_table::should_override_with_special): Add fromtype
 875         parameter.  Change all callers.
 876         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 877         there is no TLS segment if we have reported some errors.
 878         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 879
 880 2011-07-08  Ian Lance Taylor  <iant@google.com>
 881
 882         PR gold/12372
 883         * target.h (Target::plt_address_for_global): New function.
 884         (Target::plt_address_for_local): New function.
 885         (Target::plt_section_for_global): Remove.
 886         (Target::plt_section_for_local): Remove.
 887         (Target::do_plt_address_for_global): New virtual function.
 888         (Target::do_plt_address_for_local): New virtual function.
 889         (Target::do_plt_section_for_global): Remove.
 890         (Target::do_plt_section_for_local): Remove.
 891         (Target::register_global_plt_entry): Add Symbol_table and Layout
 892         parameters.
 893         * output.cc (Output_data_got::Got_entry::write): Use
 894         plt_address_for_global and plt_address_for_local.
 895         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 896         address of output section.
 897         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 898         got_irelative_, and irelative_count_ fields.  Update
 899         declarations.
 900         (Output_data_plt_i386::has_irelative_section): New function.
 901         (Output_data_plt_i386::entry_count): Add irelative_count_.
 902         (Output_data_plt_i386::set_final_data_size): Likewise.
 903         (class Target_i386): Add got_irelative_ and rel_irelative_
 904         fields.  Update declarations.
 905         (Target_i386::Target_i386): Initialize new fields.
 906         (Target_i386::do_plt_address_for_global): New function replacing
 907         do_plt_section_for_global.
 908         (Target_i386::do_plt_address_for_local): New function replacing
 909         do_plt_section_for_local.
 910         (Target_i386::got_section): Create got_irelative_.
 911         (Target_i386::rel_irelative_section): New function.
 912         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 913         fields.  Don't define __rel_iplt_{start,end}.
 914         (Output_data_plt_i386::add_entry): Add symtab and layout
 915         parameters.  Change all callers.  Use different PLT and GOT for
 916         IFUNC symbols.
 917         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 918         layout parameters.  Change all callers.  Use different PLT and
 919         GOT.
 920         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 921         (Output_data_plt_i386::rel_irelative): New function.
 922         (Output_data_plt_i386::address_for_global): New function.
 923         (Output_data_plt_i386::address_for_local): New function.
 924         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 925         IRELATIVE GOT when changing IFUNC GOT entries.
 926         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 927         reloc.
 928         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 929         if we didn't create an IRELATIVE GOT.
 930         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 931         plt_address_for_local.
 932         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 933         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 934         got_irelative_, and irelative_count_ fields.  Update
 935         declarations.
 936         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 937         Initialize new fields.  Remove symtab parameter.  Change all
 938         callers.
 939         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 940         irelative_count_.
 941         (Output_data_plt_x86_64::has_irelative_section): New function.
 942         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 943         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 944         fields.  Update declarations.
 945         (Target_x86_64::Target_x86_64): Initialize new fields.
 946         (Target_x86_64::do_plt_address_for_global): New function replacing
 947         do_plt_section_for_global.
 948         (Target_x86_64::do_plt_address_for_local): New function replacing
 949         do_plt_section_for_local.
 950         (Target_x86_64::got_section): Create got_irelative_.
 951         (Target_x86_64::rela_irelative_section): New function.
 952         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 953         all callers.  Don't create __rel_iplt_{start,end}.
 954         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 955         parameters.  Change all callers.  Use different PLT and GOT for
 956         IFUNC symbols.
 957         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 958         layout parameters.  Change all callers.  Use different PLT and
 959         GOT.
 960         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 961         parameters.  Change all callers.  Use different PLT and GOT for
 962         IFUNC symbols.
 963         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 964         (Output_data_plt_x86_64::rela_irelative): New function.
 965         (Output_data_plt_x86_64::address_for_global): New function.
 966         (Output_data_plt_x86_64::address_for_local): New function.
 967         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 968         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 969         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 970         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 971         parameters.
 972         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 973         reloc.
 974         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 975         symbols if we didn't create an IRELATIVE GOT.
 976         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 977         plt_address_for_local.
 978         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 979         * testsuite/ifuncvar1.c: New test file.
 980         * testsuite/ifuncvar2.c: New test file.
 981         * testsuite/ifuncvar3.c: New test file.
 982         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 983         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 984         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 985         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 986         * testsuite/Makefile.in: Rebuild.
 987
 988 2011-07-07  Cary Coutant  <ccoutant@google.com>
 989
 990         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 991         (two_file_test_1_ndebug.o): Likewise.
 992         (two_file_test_1b_ndebug.o): Likewise.
 993         (two_file_test_2_ndebug.o): Likewise.
 994         (two_file_test_main_ndebug.o): Likewise.
 995         (incremental_test_2): Link with no-debug versions.
 996
 997 2011-07-06  Cary Coutant  <ccoutant@google.com>
 998
 999         * gold/incremental.cc
1000         (Output_section_incremental_inputs::write_info_blocks): Check for
1001         hidden and internal symbols.
1002
1003 2011-07-06  Cary Coutant  <ccoutant@google.com>
1004
1005         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
1006         Check disposition for startup file.
1007         (Incremental_inputs::report_command_line): Ignore
1008         --incremental-startup-unchanged option.
1009         * options.cc (General_options::parse_incremental_startup_unchanged):
1010         New function.
1011         (General_options::General_options): Initialize new data member.
1012         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
1013         (General_options): Add --incremental-startup-unchanged option.
1014         (General_options::incremental_startup_disposition): New function.
1015         (General_options::incremental_startup_disposition_): New data member.
1016
1017 2011-07-06  Cary Coutant  <ccoutant@google.com>
1018
1019         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1020         input file index to Script_info ctor.
1021         (Sized_incremental_binary::do_file_has_changed): Find the
1022         command-line argument for files named in scripts.
1023         * incremental.h (Script_info::Script_info): New ctor
1024         with input file index.
1025         (Script_info::input_file_index): New function.
1026         (Script_info::input_file_index_): New data member.
1027         (Incremental_binary::get_library): Add const.
1028         (Incremental_binary::get_script_info): Add const.
1029         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1030         * testsuite/Makefile.am (incremental_test_5): New test case.
1031         (incremental_test_6): New test case.
1032         * testsuite/Makefile.in: Regenerate.
1033
1034 2011-07-06  Cary Coutant  <ccoutant@google.com>
1035
1036         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1037         debug output when command lines differ.
1038
1039 2011-07-06  Cary Coutant  <ccoutant@google.com>
1040
1041         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1042         --incremental-patch option.
1043         * layout.cc (Free_list::allocate): Extend allocation beyond original
1044         end if enabled.
1045         (Layout::make_output_section): Mark sections that should get
1046         patch space.
1047         * options.cc (parse_percent): New function.
1048         * options.h (parse_percent): New function.
1049         (DEFINE_percent): New macro.
1050         (General_options): Add --incremental-patch option.
1051         * output.cc (Output_section::Output_section): Initialize new data
1052         members.
1053         (Output_section::add_input_section): Print section name when out
1054         of patch space.
1055         (Output_section::add_output_section_data): Likewise.
1056         (Output_section::set_final_data_size): Add patch space when
1057         doing --incremental-full.
1058         (Output_section::do_reset_address_and_file_offset): Remove patch
1059         space.
1060         (Output_segment::set_section_list_addresses): Print debug output
1061         only if --incremental-update.
1062         * output.h (Output_section::set_is_patch_space_allowed): New function.
1063         (Output_section::is_patch_space_allowed_): New data member.
1064         (Output_section::patch_space_): New data member.
1065         * parameters.cc (Parameters::incremental_full): New function.
1066         * parameters.h (Parameters::incremental_full): New function
1067         * testsuite/Makefile.am (incremental_test_2): Add test for
1068         --incremental-patch option.
1069         * testsuite/Makefile.in: Regenerate.
1070         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1071         (t18): Remove function body.
1072
1073 2011-07-05  Doug Kwan  <dougkwan@google.com>
1074
1075         PR gold/12771
1076         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1077         Arm_Address type for relocation result.
1078         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1079         overflow check.
1080         (Arm_relocate_functions::abs32): Use unaligned access.
1081         (Arm_relocate_functions::rel32): Ditto.
1082         (Arm_relocate_functions::prel31): Ditto.
1083         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1084         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1085         static data relocations.
1086         * testsuite/Makefile.in: Regnerate.
1087         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1088
1089 2011-07-05  Ian Lance Taylor  <iant@google.com>
1090
1091         PR gold/12392
1092         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1093         symbols if necessary.
1094         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1095
1096 2011-07-05  Ian Lance Taylor  <iant@google.com>
1097
1098         PR gold/12952
1099         * resolve.cc (Symbol::override_base_with_special): Simply override
1100         version with special symbol version, ignoring previous version.
1101
1102 2011-07-05  Ian Lance Taylor  <iant@google.com>
1103
1104         * object.cc (Sized_relobj_file::include_section_group): Add
1105         information to comment about signature location.
1106
1107 2011-07-02  Ian Lance Taylor  <iant@google.com>
1108
1109         PR gold/12957
1110         * options.h (class General_options): Add -f and -F.
1111         * options.cc (General_options::finalize): Fatal error if -f/-F
1112         are used without -shared.
1113         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1114
1115 2011-07-02  Ian Lance Taylor  <iant@google.com>
1116
1117         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1118
1119 2011-07-01  Ian Lance Taylor  <iant@google.com>
1120
1121         PR gold/12525
1122         PR gold/12952
1123         * resolve.cc (Symbol::override_base_with_special): Don't override
1124         the version if the overriding symbol has a different name.
1125         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1126         all callers.  If we give an error about an undefined version,
1127         define the base version if necessary.
1128         * dynobj.h (class Versions): Update declaration.
1129         * testsuite/weak_alias_test_5.cc: New file.
1130         * testsuite/weak_alias_test.script: New file.
1131         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1132         and versioned_alias have the right value, and call t2.
1133         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1134         weak_alias_test_5.so.
1135         (weak_alias_test_LDADD): Likewise.
1136         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1137         * testsuite/Makefile.in: Rebuild.
1138
1139 2011-07-01  Ian Lance Taylor  <iant@google.com>
1140
1141         PR gold/12525
1142         * options.h (class General_options): Support -z notext.
1143         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1144         -Wl,-z,notext.
1145         (two_file_shared_nonpic.so): Likewise.
1146         (two_file_shared_mixed.so): Likewise.
1147         (two_file_shared_mixed_1.so): Likewise.
1148         (weak_undef_lib_nonpic.so): Likewise.
1149         (alt/weak_undef_lib_nonpic.so): Likewise.
1150         (tls_test_shared_nonpic.so): Likewise.
1151         * testsuite/Makefile.in: Rebuild.
1152
1153 2011-07-01  Ian Lance Taylor  <iant@google.com>
1154
1155         PR gold/12525
1156         * configure.ac: Test whether static linking works, setting
1157         the automake conditional HAVE_STATIC.
1158         * testsuite/Makefile.am: Disable tests using -static if
1159         HAVE_STATIC is not true.
1160         * configure, testsuite/Makefile.in: Rebuild.
1161
1162 2011-07-01  Ian Lance Taylor  <iant@google.com>
1163
1164         PR gold/12525
1165         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1166         Assert if we see DW_EH_PE_indirect.
1167         * target.h (Target::ehframe_datarel_base): New function.
1168         (Target::do_ehframe_datarel_base): New target function.
1169         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1170         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1171         function.
1172
1173 2011-07-01  Ian Lance Taylor  <iant@google.com>
1174
1175         PR gold/12571
1176         * options.h (class General_options): Add
1177         --ld-generated-unwind-info.
1178         * ehframe.cc (Fde::write): Add address parameter.  Change all
1179         callers.  If associated with PLT, fill in address and size.
1180         (Cie::set_output_offset): Only add merge mapping if there is an
1181         object.
1182         (Cie::write): Add address parameter.  Change all callers.
1183         (Eh_frame::add_ehframe_for_plt): New function.
1184         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1185         input_offset_ fields into union u_, with new plt field.
1186         (Fde::Fde): Adjust for new union field.
1187         (Fde::Fde) [Output_data version]: New constructor.
1188         (Fde::add_mapping): Only add merge mapping if there is an object.
1189         (class Cie): Update declarations.
1190         (class Eh_frame): Declare add_ehframe_for_plt.
1191         * layout.cc (Layout::layout_eh_frame): Break out code into
1192         make_eh_frame_section, and call it.
1193         (Layout::make_eh_frame_section): New function.
1194         (Layout::add_eh_frame_for_plt): New function.
1195         * layout.h (class Layout): Update declarations.
1196         * merge.cc (Merge_map::add_mapping): Add assertion.
1197         * i386.cc: Include "dwarf.h".
1198         (class Output_data_plt_i386): Make first_plt_entry,
1199         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1200         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1201         and plt_eh_frame_fde.
1202         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1203         boundary.  Call add_eh_frame_for_plt if appropriate.
1204         * x86_64.cc: Include "dwarf.h".
1205         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1206         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1207         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1208         and plt_eh_frame_fde.
1209         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1210         appropriate.
1211
1212 2011-06-29  Ian Lance Taylor  <iant@google.com>
1213
1214         PR gold/12629
1215         * object.cc (Sized_relobj_file::layout_section): Change shdr
1216         parameter to be const.
1217         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1218         out of do_layout.
1219         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1220         appropriate.  Call layout_eh_frame_section.
1221         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1222         sections.
1223         * object.h (class Sized_relobj_file): Update declarations.
1224
1225 2011-06-29  Ian Lance Taylor  <iant@google.com>
1226
1227         PR gold/12652
1228         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1229         modifier.
1230         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1231
1232 2011-06-29  Ian Lance Taylor  <iant@google.com>
1233
1234         PR gold/12675
1235         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1236         SHT_X86_64_UNWIND.
1237         * layout.cc (Layout::layout_eh_frame): Likewise.
1238
1239 2011-06-29  Ian Lance Taylor  <iant@google.com>
1240
1241         PR gold/12695
1242         * layout.cc (Layout::symtab_section_shndx): New function.
1243         * layout.h (class Layout): Declare symtab_section_shndx.
1244         * output.cc (Output_section::write_header): Call it.
1245
1246 2011-06-29  Ian Lance Taylor  <iant@google.com>
1247
1248         PR gold/12818
1249         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1250         symbols which are not used in a relocation.
1251
1252 2011-06-28  Ian Lance Taylor  <iant@google.com>
1253
1254         PR gold/12898
1255         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1256         script create indistinguishable segments.
1257         (Layout::set_segment_offsets): Use stable_sort when sorting
1258         segments.  Pass this to Compare_segments constructor.
1259         * layout.h (class Layout): Make segment_precedes non-static.
1260         (class Compare_segments): Change from struct to class.  Add
1261         layout_ field.  Add constructor.
1262         * script-sections.cc
1263         (Script_sections::attach_sections_using_phdrs_clause): Rename
1264         local orphan to is_orphan.  Don't report failure to put empty
1265         section in segment.  On attachment failure, report name of
1266         section, and attach to first PT_LOAD segment.
1267
1268 2011-06-28  Ian Lance Taylor  <iant@google.com>
1269
1270         PR gold/12934
1271         * target-select.cc (Target_selector::Target_selector): Add
1272         emulation parameter.  Change all callers.
1273         (select_target_by_bfd_name): Rename from select_target_by_name.
1274         Change all callers.
1275         (select_target_by_emulation): New function.
1276         (supported_emulation_names): New function.
1277         * target-select.h (class Target_selector): Add emulation_ field.
1278         Update declarations.
1279         (Target_selector::recognize_by_bfd_name): Rename from
1280         recognize_by_name.  Change all callers.
1281         (Target_selector::supported_bfd_names): Rename from
1282         supported_names.  Change all callers.
1283         (Target_selector::recognize_by_emulation): New function.
1284         (Target_selector::supported_emulations): New function.
1285         (Target_selector::emulation): New function.
1286         (Target_selector::do_recognize_by_bfd_name): Rename from
1287         do_recognize_by_name.  Change all callers.
1288         (Target_selector::do_supported_bfd_names): Rename from
1289         do_supported_names.  Change all callers.
1290         (Target_selector::do_recognize_by_emulation): New function.
1291         (Target_selector::do_supported_emulations): New function.
1292         (select_target_by_bfd_name): Change name in declaration.
1293         (select_target_by_emulation): Declare.
1294         (supported_emulation_names): Declare.
1295         * parameters.cc (parameters_force_valid_target): Try to find
1296         target based on emulation from -m option.
1297         * options.h (class General_options): Change doc string for -m.
1298         * options.cc (help): Print emulations.
1299         (General_options::parse_V): Likewise.
1300         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1301         Add emulation parameter.  Change all callers.
1302
1303 2011-06-28  Ian Lance Taylor  <iant@google.com>
1304
1305         * target.h (class Target): Add osabi_ field.
1306         (Target::osabi): New function.
1307         (Target::set_osabi): New function.
1308         (Target::Target): Initialize osabi_.
1309         (Target::do_adjust_elf_header): Make pure virtual.
1310         (Sized_target::do_adjust_elf_header): Declare.
1311         * target.cc (Sized_target::do_adjust_elf_header): New function.
1312         (class Sized_target): Instantiate all versions.
1313         * freebsd.h (class Target_freebsd): Remove.
1314         (Target_selector_freebsd::do_recognize): Call set_osabi on
1315         Target.
1316         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1317         (Target_selector_freebsd::set_osabi): Remove.
1318         * i386.cc (class Target_i386): Inherit from Sized_target rather
1319         than Target_freebsd.
1320         * x86_64.cc (class Target_x86_64): Likewise.
1321
1322 2011-06-28  Ian Lance Taylor  <iant@google.com>
1323
1324         * target.h (Target::can_check_for_function_pointers): Rewrite.
1325         Make non-virtual.
1326         (Target::can_icf_inline_merge_sections): Likewise.
1327         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1328         (Target::Target_info): Add can_icf_inline_merge_sections field.
1329         (Target::do_can_check_for_function_pointers): New virtual
1330         function.
1331         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1332         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1333         from can_check_for_function_pointers, move in file.
1334         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1335         section_may_have_icf_unsafe_poineters, move in file.
1336         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1337         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1338         Rename from can_check_for_function_pointers, move in file.
1339         (Target_i386::can_icf_inline_merge_sections): Remove.
1340         (Target_i386::i386_info): Initialize
1341         can_icf_inline_merge_sections.
1342         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1343         Initialize can_icf_inline_merge_sections.
1344         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1345         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1346         Rename from can_check_for_function_pointers, move in file.
1347         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1348         (Target_x86_64::x86_64_info): Initialize
1349         can_icf_inline_merge_sections.
1350         * testsuite/testfile.cc (Target_test::test_target_info):
1351         Likewise.
1352         * icf.cc (get_section_contents): Correct formatting.
1353
1354 2011-06-27  Ian Lance Taylor  <iant@google.com>
1355
1356         * symtab.cc (Symbol::versioned_name): New function.
1357         (Symbol_table::add_to_final_symtab): Use versioned_name when
1358         appropriate.
1359         (Symbol_table::sized_write_symbol): Likewise.
1360         * symtab.h (class Symbol): Declare versioned_name.
1361         * stringpool.h (class Stringpool_template): Add variant of add
1362         which takes a std::basic_string.
1363         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1364         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1365         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1366         (ver_test_12.o): New target.
1367         * testsuite/Makefile.in: Rebuild.
1368
1369 2011-06-27  Doug Kwan  <dougkwan@google.com>
1370
1371         * arm.cc (Arm_relocate_functions::thm_jump8,
1372         Arm_relocate_functions::thm_jump11): Use a wider signed
1373         type to compute offset.
1374         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1375         arm_thm_jump8.
1376         * testsuite/Makefile.in: Regenerate.
1377         * testsuite/arm_branch_in_range.sh: Check test results of
1378         arm_thm_jump11 and arm_thm_jump8.
1379         * testsuite/arm_thm_jump11.s: New test source file.
1380         * testsuite/arm_thm_jump11.t: New linker script.
1381         * testsuite/arm_thm_jump8.s: New test source file.
1382         * testsuite/arm_thm_jump8.t: New linker script.
1383
1384 2011-06-24  Ian Lance Taylor  <iant@google.com>
1385
1386         * layout.cc: Include "object.h".
1387         (ctors_sections_in_init_array): New static variable.
1388         (Layout::is_ctors_in_init_array): New function.
1389         (Layout::layout): Add entry to ctors_sections_in_init_array if
1390         appropriate.
1391         * layout.h (class Layout): Declare is_ctors_in_init_array.
1392         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1393         is_ctors_reverse_view is set.
1394         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1395         all callers.  Set is_ctors_reverse_view field of View_size.
1396         (Sized_relobj_file::reverse_words): New function.
1397         * object.h (Sized_relobj_file::View_size): Add
1398         is_ctors_reverse_view field.
1399         (class Sized_relobj_file): Update declarations.
1400         * testsuite/initpri3.c: New test.
1401         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1402         initpri3b.
1403         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1404         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1405         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1406         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1407         * testsuite/Makefile.in: Rebuild.
1408
1409 2011-06-24  Cary Coutant  <ccoutant@google.com>
1410
1411         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1412         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1413         (debug_msg_cdebug.err): New targets.
1414         * testsuite/Makefile.in: Regenerate.
1415         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1416         Fix checks for link with shared library.
1417
1418 2011-06-24  Doug Kwan  <dougkwan@google.com>
1419
1420         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1421         skip empty text sections.
1422         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1423
1424 2011-06-22  Ian Lance Taylor  <iant@google.com>
1425
1426         PR gold/12910
1427         * options.h (class General_options): Add --ctors-in-init-array.
1428         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1429         friends as SHT_PROGBITS for merging sections.
1430         (Layout::layout): Remove special handling of .init_array and
1431         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1432         and .dtors if ctors_in_init_array.
1433         (Layout::make_output_section): Force correct section types for
1434         .init_array and friends.  Don't sort if doing relocatable link,
1435         Don't sort .ctors and .dtors if ctors_in_init_array.
1436         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1437         (Layout::output_section_name): Add relobj parameter.  Change all
1438         callers.  Handle .ctors. and .dtors. in code rather than table.
1439         Handle .ctors and .dtors if ctors_in_init_array.
1440         (Layout::match_file_name): New function, moved from output.cc.
1441         * layout.h (class Layout): Update declarations.
1442         * output.cc: Include "layout.h".
1443         (Input_section_sort_entry::get_priority): New function.
1444         (Input_section_sort_entry::match_file_name): Just call
1445         Layout::match_file_name.
1446         (Output_section::Input_section_sort_init_fini_compare::operator()):
1447         Handle .ctors and .dtors.  Sort by explicit priority rather than
1448         by name.
1449         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1450         * testsuite/initpri2.c: New test.
1451         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1452         (check_PROGRAMS): Add initpri2.
1453         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1454         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1455         * configure, testsuite/Makefile.in: Rebuild.
1456
1457 2011-06-19  Ian Lance Taylor  <iant@google.com>
1458
1459         PR gold/12880
1460         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1461         .interp section to a PT_INTERP segment even if we have seen a
1462         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1463         clause in a linker script.
1464         (Layout::finalize): Don't create a .interp section if we've
1465         already create a PT_INTERP segment.
1466         (Layout::create_interp): Always call choose_output_section (revert
1467         patch of 2011-06-17).  Don't create PT_INTERP segment.
1468         * script-sections.cc
1469         (Script_sections::create_note_and_tls_segments): Add a .interp
1470         section to a PT_INTERP segment even if we have seen a
1471         --dynamic-linker option.
1472
1473 2011-06-18  Ian Lance Taylor  <iant@google.com>
1474
1475         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1476         merely because a non-PT_LOAD segment has a dynamic reloc.
1477
1478 2011-06-18  Ian Lance Taylor  <iant@google.com>
1479
1480         * layout.cc (Layout::finish_dynamic_section): Don't create
1481         DT_FLAGS entry if not needed.
1482
1483 2011-06-18  Ian Lance Taylor  <iant@google.com>
1484
1485         PR gold/12745
1486         * layout.cc (Layout::layout_eh_frame): Correct handling of
1487         writable .eh_frame section.
1488
1489 2011-06-17  Ian Lance Taylor  <iant@google.com>
1490
1491         PR gold/12893
1492         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1493         symbol is redefined with the exact same object and value.
1494
1495 2011-06-17  Ian Lance Taylor  <iant@google.com>
1496
1497         PR gold/12880
1498         * layout.h (class Layout): Add interp_segment_ field.
1499         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1500         (Layout::attach_allocated_section_to_segment): If making shared
1501         library, put .interp section in PT_INTERP segment.
1502         (Layout::finalize): Also call create_interp if -dynamic-linker
1503         option was used.
1504         (Layout::create_interp): Assert that there is no PT_INTERP
1505         segment.  If not using a SECTIONS clause, use make_output_section.
1506         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1507         * script-sections.cc
1508         (Script_sections::create_note_and_tls_segments): If making shared
1509         library, put .interp section in PT_INTERP segment.
1510
1511 2011-06-17  Ian Lance Taylor  <iant@google.com>
1512
1513         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1514         when making a shared library.
1515
1516 2011-06-17  Ian Lance Taylor  <iant@google.com>
1517
1518         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1519         parameter.  Change all callers.  Don't issue warning about PC32
1520         against locally defined symbol.
1521
1522 2011-06-16  Ian Lance Taylor  <iant@google.com>
1523
1524         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1525         occurs in same object.
1526
1527 2011-06-14  Alan Modra  <amodra@gmail.com>
1528
1529         * po/POTFILES.in: Regenerate.
1530
1531 2011-06-09  Ian Lance Taylor  <iant@google.com>
1532
1533         * script-sections.cc
1534         (Orphan_output_section::set_section_addresses): For a relocatable
1535         link set address to 0.
1536
1537 2011-06-09  Cary Coutant  <ccoutant@google.com>
1538
1539         PR gold/12804
1540         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1541         used with --compress-debug-sections.
1542         * gold/object.cc (Sized_relobj_file::do_layout): Report
1543         uncompressed size of compressed input sections.
1544
1545 2011-06-08  Cary Coutant  <ccoutant@google.com>
1546
1547         PR gold/12804
1548         * testsuite/two_file_test_2_v1.cc: Change initialization of
1549         v2 to keep it in .data.
1550
1551 2011-06-07  Cary Coutant  <ccoutant@google.com>
1552
1553         * common.cc (Symbol_table::do_allocate_commons_list): Call
1554         gold_fallback.
1555         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1556         (Errors::fallback): New function.
1557         (gold_fallback): New function.
1558         * errors.h (Errors::fallback): New function.
1559         * gold.cc (gold_exit): Change status parameter to enum; adjust
1560         all callers.
1561         (queue_initial_tasks): Call gold_fallback.
1562         * gold.h: Include cstdlib.
1563         (Exit_status): New enum type.
1564         (gold_exit): Change status parameter to enum.
1565         (gold_fallback): New function.
1566         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1567         (Layout::create_symtab_sections): Likewise.
1568         (Layout::create_shdrs): Likewise.
1569         * main.cc (main): Adjust call to gold_exit.
1570         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1571         (Output_data_got::add_got_entry_pair): Likewise.
1572         (Output_section::add_input_section): Likewise.
1573         (Output_section::add_output_section_data): Likewise.
1574         (Output_segment::set_section_list_addresses): Likewise.
1575         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1576
1577 2011-06-07  Cary Coutant  <ccoutant@google.com>
1578
1579         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1580         for incremental links.
1581         * output.cc (Output_segment::set_section_list_addresses): Remove
1582         FIXME and test for TLS or BSS.
1583
1584 2011-06-07  Cary Coutant  <ccoutant@google.com>
1585
1586         * testsuite/Makefile.am: Add incremental_copy_test,
1587         incremental_common_test_1.
1588         * testsuite/Makefile.in: Regenerate.
1589         * testsuite/common_test_1_v1.c: New source file.
1590         * testsuite/common_test_1_v2.c: New source file.
1591         * testsuite/copy_test_v1.cc: New source file.
1592
1593 2011-06-07  Cary Coutant  <ccoutant@google.com>
1594
1595         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1596         update, allocate common from bss section's free list.
1597         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1598         linker-defined symbols.
1599         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1600         Skip GOT and PLT entries that are no longer referenced.
1601         (Output_section_incremental_inputs::write_info_blocks): Mark
1602         linker-defined symbols.
1603         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1604         * output.cc (Output_section::allocate): New function.
1605         * output.h (Output_section::allocate): New function.
1606         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1607         linker-defined symbols.
1608         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1609         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1610         (Symbol::init_base_output_data): Likewise.
1611         (Symbol::init_base_output_segment): Likewise.
1612         (Symbol::init_base_constant): Likewise.
1613         (Sized_symbol::init_output_data): Likewise.
1614         (Sized_symbol::init_output_segment): Likewise.
1615         (Sized_symbol::init_constant): Likewise.
1616         (Symbol_table::do_define_in_output_data): Likewise.
1617         (Symbol_table::do_define_in_output_segment): Likewise.
1618         (Symbol_table::do_define_as_constant): Likewise.
1619         * symtab.h (Symbol::is_predefined): New function.
1620         (Symbol::init_base_output_data): Add is_predefined parameter.
1621         (Symbol::init_base_output_segment): Likewise.
1622         (Symbol::init_base_constant): Likewise.
1623         (Symbol::is_predefined_): New data member.
1624         (Sized_symbol::init_output_data): Add is_predefined parameter.
1625         (Sized_symbol::init_output_segment): Likewise.
1626         (Sized_symbol::init_constant): Likewise.
1627         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1628
1629 2011-06-07  Cary Coutant  <ccoutant@google.com>
1630
1631         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1632         instead of emit_copy_reloc.
1633         (Copy_relocs::emit_copy_reloc): Refactor.
1634         (Copy_relocs::make_copy_reloc): New function.
1635         (Copy_relocs::add_copy_reloc): Remove.
1636         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1637         section.
1638         (Copy_relocs::make_copy_reloc): New function.
1639         (Copy_relocs::add_copy_reloc): Remove.
1640         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1641         unchanged input files.
1642         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1643         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1644         Reserve BSS space for COPY relocations.
1645         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1646         (Output_section_incremental_inputs::write_info_blocks): Record
1647         whether a symbol is copied from a shared object.
1648         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1649         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1650         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1651         (Incremental_input_entry_reader::get_output_symbol_index): Add
1652         is_copy parameter.
1653         (Incremental_binary::emit_copy_relocs): New function.
1654         (Incremental_binary::do_emit_copy_relocs): New function.
1655         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1656         new data member.
1657         (Sized_incremental_binary::add_copy_reloc): New function.
1658         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1659         (Sized_incremental_binary::Copy_reloc): New struct.
1660         (Sized_incremental_binary::Copy_relocs): New typedef.
1661         (Sized_incremental_binary::copy_relocs_): New data member.
1662         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1663         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1664         * target.h (Sized_target::emit_copy_reloc): New function.
1665         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1666
1667 2011-06-02  Cary Coutant  <ccoutant@google.com>
1668
1669         PR gold/12163
1670         * gold/archive.cc (Archive::Archive): Initialize new data member.
1671         (Archive::include_all_members): Return if archive has already been
1672         included.
1673         * gold/archive.h (Archive::include_all_members_): New data member.
1674
1675 2011-06-02  Nick Clifton  <nickc@redhat.com>
1676
1677         * dynobj.h: Fix spelling mistake in comment.
1678         * output.cc: Likewise.
1679
1680 2011-05-31  Doug Kwan  <dougkwan@google.com>
1681             Asier Llano
1682
1683         PR gold/12826
1684         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1685         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1686         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1687         redundant arm_exidx_test.so.
1688         * testsuite/Makefile.in: Regenerate.
1689         (check_SCRIPTS): Add pr12826.sh
1690         (check_DATA): Add pr12826.stdout
1691         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1692         * testsuite/pr12826.sh: New file.
1693         * testsuite/pr12826_1.s: Ditto.
1694         * testsuite/pr12826_1.s: Ditto.
1695
1696 2011-05-30  Ian Lance Taylor  <iant@google.com>
1697
1698         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1699         sections.
1700
1701 2011-05-29  Ian Lance Taylor  <iant@google.com>
1702
1703         PR gold/12804
1704         * testsuite/Makefile.am: Use different file name for two_file_test
1705         temporary file for each incremental test.
1706         * testsuite/Makefile.in: Rebuild.
1707
1708 2011-05-29  Ian Lance Taylor  <iant@google.com>
1709
1710         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1711         binary input file is empty.
1712
1713 2011-05-27  Ian Lance Taylor  <iant@google.com>
1714
1715         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1716         (ver_test_9.so): Likewise.
1717         * testsuite/Makefile.in: Rebuild.
1718
1719 2011-05-26 Cary Coutant  <ccoutant@google.com>
1720
1721         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1722         * incremental.cc (Incremental_inputs::report_input_section): Fix
1723         comment, indentation.
1724         (Incremental_inputs::report_comdat_group): New function.
1725         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1726         of data for incremental input file entry.
1727         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1728         group count, COMDAT group signatures.
1729         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1730         an unchanged input file.
1731         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1732         Initialize new data member.
1733         (Incremental_object_entry::add_comdat_group): New function.
1734         (Incremental_object_entry::get_comdat_group_count): New function.
1735         (Incremental_object_entry::get_comdat_signature_key): New function.
1736         (Incremental_object_entry::groups_): New data member.
1737         (Incremental_inputs::report_comdat_group): New function.
1738         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1739         data for incremental input file entry.
1740         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1741         (Incremental_input_entry_reader::get_input_section): Adjust size of
1742         data for incremental input file entry.
1743         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1744         (Incremental_input_entry_reader::get_comdat_group_signature): New
1745         function.
1746         * object.cc (Sized_relobj::include_section_group): Report kept
1747         COMDAT groups for incremental links.
1748
1749 2011-05-24  David Meyer  <pdox@google.com>
1750
1751         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1752         with name parameter.  Add found_name parameter.
1753         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1754         * dirsearch.h (class Dirsearch): Update declaration.
1755
1756 2011-05-24  Ian Lance Taylor  <iant@google.com>
1757
1758         * archive.cc (Library_base::should_include_member): Pull in object
1759         from archive if it defines the entry symbol.
1760         * parameters.cc (Parameters::entry): New function.
1761         * parameters.h (class Parameters): Declare entry.
1762         * output.h (class Output_file_header): Remove entry_ field.
1763         * output.cc (Output_file_header::Output_file_header): Remove entry
1764         parameter.  Change all callers.
1765         (Output_file_header::entry): Use parameters->entry.
1766         * gold.cc (queue_middle_tasks): Likewise.
1767         * plugin.cc (Plugin_hook::run): Likewise.
1768
1769 2011-05-24 Cary Coutant  <ccoutant@google.com>
1770
1771         * gold.cc (queue_initial_tasks): Pass incremental base filename
1772         to Output_file::open_base_file; don't print error message.
1773         * incremental-dump.cc (main): Adjust call to
1774         Output_file::open_for_modification.
1775         * incremental-dump.cc (main): Likewise.
1776         * incremental.cc (Incremental_inputs::report_command_line):
1777         Ignore --incremental-base option when comparing command lines.
1778         Ignore parameter when given as separate argument.
1779         * options.h (class General_options): Add --incremental-base.
1780         * output.cc (Output_file::Output_file):
1781         (Output_file::open_base_file): Add base_name and writable parameters;
1782         read base file into new file; print error message here.
1783         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1784         callers.
1785         * output.h (Output_file::open_for_modification): Rename to...
1786         (Output_file::open_base_file): ...this; add base_name and
1787         writable parameters; adjust all callers.
1788         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1789         callers.
1790         * testsuite/Makefile.am (incremental_test_4): Test
1791         --incremental-base.
1792         * testsuite/Makefile.in: Regenerate.
1793
1794 2011-05-24 Cary Coutant  <ccoutant@google.com>
1795
1796         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1797         incremental_test_4.
1798         * testsuite/Makefile.in: Regenerate.
1799         * testsuite/two_file_test_1_v1.cc: New test source file.
1800         * testsuite/two_file_test_1b_v1.cc: New test source file.
1801         * testsuite/two_file_test_2_v1.cc: New test source file.
1802
1803 2011-05-24 Cary Coutant  <ccoutant@google.com>
1804
1805         * dynobj.h (Dynobj::do_dynobj): New function.
1806         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1807         flag and soname for shared objects.
1808         * incremental.cc (Incremental_inputs::report_object): Make
1809         either Incremental_object_entry or Incremental_dynobj_entry; add
1810         soname to string table.
1811         (Incremental_inputs::report_input_section): Add assertion.
1812         (Output_section_incremental_inputs::set_final_data_size): Adjust
1813         type of input file entry for shared libraries; adjust size of
1814         shared library info entry.
1815         (Output_section_incremental_inputs::write_input_files): Write
1816         as_needed flag for shared libraries.
1817         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1818         of input file entry for shared libraries; write soname.
1819         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1820         soname from incremental info.
1821         * incremental.h (enum Incremental_input_flags): Add
1822         INCREMENTAL_INPUT_AS_NEEDED.
1823         (Incremental_input_entry::Incremental_input_entry): Initialize new
1824         data member.
1825         (Incremental_input_entry::set_as_needed): New function.
1826         (Incremental_input_entry::as_needed): New function.
1827         (Incremental_input_entry::do_dynobj_entry): New function.
1828         (Incremental_input_entry::as_needed_): New data member.
1829         (Incremental_object_entry::Incremental_object_entry): Don't check
1830         for shared library.
1831         (Incremental_object_entry::do_type): Likewise.
1832         (class Incremental_dynobj_entry): New class.
1833         (Incremental_input_entry_reader::as_needed): New function.
1834         (Incremental_input_entry_reader::get_soname): New function.
1835         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1836         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1837         size of shared library info entry.
1838         * layout.cc (Layout::finish_dynamic_section): Don't test for
1839         incremental link when adding DT_NEEDED entries.
1840         * object.h (Object::Object): Initialize new data member.
1841         (Object::dynobj): New function.
1842         (Object::set_as_needed): New function.
1843         (Object::as_needed): New function.
1844         (Object::do_dynobj): New function.
1845         (Object::as_needed_): New data member.
1846
1847 2011-05-24 Cary Coutant  <ccoutant@google.com>
1848
1849         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1850         info; adjust display of GOT entries.
1851         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1852         vector of input objects; remove file_status_.
1853         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1854         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1855         got_plt reader; call target hooks to reserve GOT entries.
1856         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1857         of input file info header and GOT info entry.
1858         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1859         relocation info.
1860         (Got_plt_view_info::got_descriptor): Remove.
1861         (Got_plt_view_info::sym_index): New data member.
1862         (Got_plt_view_info::input_index): New data member.
1863         (Local_got_offset_visitor::visit): Write input file index.
1864         (Global_got_offset_visitor::visit): Write 0 for input file index.
1865         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1866         with sym_index and input_index.
1867         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1868         incremental info GOT entry; replace got_descriptor with input_index.
1869         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1870         map from input file index to object.
1871         (Sized_relobj_incr::do_layout): Replace direct data member reference
1872         with accessor function.
1873         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1874         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1875         Adjust size of input file info header.
1876         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1877         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1878         (Incremental_input_entry_reader::get_input_section): Adjust size of
1879         input file info header.
1880         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1881         of incremental info GOT entry.
1882         (Incremental_got_plt_reader::get_got_desc): Remove.
1883         (Incremental_got_plt_reader::get_got_symndx): New function.
1884         (Incremental_got_plt_reader::get_got_input_index): New function.
1885         (Sized_incremental_binary::Sized_incremental_binary): Remove
1886         file_status_; add input_objects_.
1887         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1888         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1889         (Sized_incremental_binary::file_is_unchanged): Remove.
1890         (Sized_incremental_binary::set_input_object): New function.
1891         (Sized_incremental_binary::input_object): New function.
1892         (Sized_incremental_binary::file_status_): Remove.
1893         (Sized_incremental_binary::input_objects_): New data member.
1894         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1895         references.
1896         (Sized_relobj_incr::invalid_address): Move to base class.
1897         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1898         class.
1899         (Sized_relobj_incr::do_output_section_offset): Likewise.
1900         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1901         (Sized_relobj_incr::section_offsets_): Likewise.
1902         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1903         function.
1904         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1905         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1906         with accessor function.
1907         (Sized_relobj_file::do_layout): Likewise.
1908         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1909         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1910         (Sized_relobj_file::compute_final_local_value): Replace refs to
1911         section_offsets_ with accessor function.
1912         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1913         * object.h (Relobj::Relobj): Initialize new data members.
1914         (Relobj::add_dyn_reloc): New function.
1915         (Relobj::first_dyn_reloc): New function.
1916         (Relobj::dyn_reloc_count): New function.
1917         (Relobj::first_dyn_reloc_): New data member.
1918         (Relobj::dyn_reloc_count_): New data member.
1919         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1920         references.
1921         (Sized_relobj::Address): New typedef.
1922         (Sized_relobj::invalid_address): Move here from child class.
1923         (Sized_relobj::Sized_relobj): Initialize new data members.
1924         (Sized_relobj::sized_relobj): New function.
1925         (Sized_relobj::is_output_section_offset_invalid): Move here from
1926         child class.
1927         (Sized_relobj::get_output_section_offset): Likewise.
1928         (Sized_relobj::local_has_got_offset): Likewise.
1929         (Sized_relobj::local_got_offset): Likewise.
1930         (Sized_relobj::set_local_got_offset): Likewise.
1931         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1932         (Sized_relobj::clear_got_offsets): New function.
1933         (Sized_relobj::section_offsets): Move here from child class.
1934         (Sized_relobj::do_output_section_offset): Likewise.
1935         (Sized_relobj::do_set_section_offset): Likewise.
1936         (Sized_relobj::Local_got_offsets): Likewise.
1937         (Sized_relobj::local_got_offsets_): Likewise.
1938         (Sized_relobj::section_offsets_): Likewise.
1939         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1940         references.
1941         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1942         class.
1943         (Sized_relobj_file::sized_relobj): New function
1944         (Sized_relobj_file::local_has_got_offset): Move to base class.
1945         (Sized_relobj_file::local_got_offset): Likewise.
1946         (Sized_relobj_file::set_local_got_offset): Likewise.
1947         (Sized_relobj_file::get_output_section_offset): Likewise.
1948         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1949         (Sized_relobj_file::do_output_section_offset): Likewise.
1950         (Sized_relobj_file::do_set_section_offset): Likewise.
1951         (Sized_relobj_file::Local_got_offsets): Likewise.
1952         (Sized_relobj_file::local_got_offsets_): Likewise.
1953         (Sized_relobj_file::section_offsets_): Likewise.
1954         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1955         (all constructors).
1956         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1957         (Output_reloc::get_symbol_index): Likewise.
1958         (Output_reloc::local_section_offset): Likewise.
1959         (Output_reloc::get_address): Likewise.
1960         (Output_reloc::symbol_value): Likewise.
1961         (Output_data_got::reserve_slot): Move to class definition.
1962         (Output_data_got::reserve_local): New function.
1963         (Output_data_got::reserve_slot_for_global): Remove.
1964         (Output_data_got::reserve_global): New function.
1965         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1966         (all constructors, two instantiations).
1967         (Output_reloc::get_relobj): New function (two instantiations).
1968         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1969         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1970         (Output_data_reloc::add_global): Adjust type of relobj.
1971         (Output_data_reloc::add_global_relative): Likewise.
1972         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1973         (Output_data_reloc::add_local): Likewise.
1974         (Output_data_reloc::add_local_relative): Likewise.
1975         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1976         (Output_data_reloc::add_local_section): Likewise.
1977         (Output_data_reloc::add_output_section): Likewise.
1978         (Output_data_reloc::add_absolute): Likewise.
1979         (Output_data_reloc::add_target_specific): Likewise.
1980         (Output_data_got::reserve_slot): Move definition here.
1981         (Output_data_got::reserve_local): New function.
1982         (Output_data_got::reserve_global): New function.
1983         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1984         section_offsets_ with accessor function.
1985         (Sized_relobj_file::write_sections): Likewise.
1986         (Sized_relobj_file::do_relocate_sections): Likewise.
1987         * target.h (Sized_target::reserve_local_got_entry): New function.
1988         (Sized_target::reserve_global_got_entry): New function.
1989         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1990         (Target_x86_64::reserve_global_got_entry): New function.
1991         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1992
1993 2011-05-23 Cary Coutant  <ccoutant@google.com>
1994
1995         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1996         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1997         bit when checking got_type.
1998         * incremental.cc (Sized_incremental_binary::setup_readers):
1999         Store symbol table and string table locations; initialize bit vector
2000         of file status flags.
2001         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
2002         unchanged files.
2003         (Sized_incremental_binary::do_process_got_plt): New function.
2004         (Sized_incremental_binary::get_symtab_view): Use stored locations.
2005         (Output_section_incremental_inputs::set_final_data_size): Record
2006         file index for each input file.
2007         (Output_section_incremental_inputs::write_got_plt): Store file index
2008         instead of input entry offset for each GOT entry.
2009         * incremental.h
2010         (Incremental_input_entry::Incremental_input_entry): Initialize new
2011         data member.
2012         (Incremental_input_entry::set_offset): Store file index.
2013         (Incremental_input_entry::get_file_index): New function.
2014         (Incremental_input_entry::file_index_): New data member.
2015         (Incremental_binary::process_got_plt): New function.
2016         (Incremental_binary::do_process_got_plt): New function.
2017         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2018         data members.
2019         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2020         (Sized_incremental_binary::set_file_is_unchanged): New function.
2021         (Sized_incremental_binary::file_is_unchanged): New function.
2022         (Sized_incremental_binary::do_process_got_plt): New function.
2023         (Sized_incremental_binary::file_status_): New data member.
2024         (Sized_incremental_binary::main_symtab_loc_): New data member.
2025         (Sized_incremental_binary::main_strtab_loc_): New data member.
2026         * output.cc (Output_data_got::Got_entry::write): Add case
2027         RESERVED_CODE.
2028         (Output_data_got::add_global): Call add_got_entry.
2029         (Output_data_got::add_global_plt): Likewise.
2030         (Output_data_got::add_global_with_rel): Likewise.
2031         (Output_data_got::add_global_with_rela): Likewise.
2032         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2033         (Output_data_got::add_global_pair_with_rela): Likewise.
2034         (Output_data_got::add_local): Call add_got_entry.
2035         (Output_data_got::add_local_plt): Likewise.
2036         (Output_data_got::add_local_with_rel): Likewise.
2037         (Output_data_got::add_local_with_rela): Likewise.
2038         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2039         (Output_data_got::add_local_pair_with_rela): Likewise.
2040         (Output_data_got::reserve_slot): New function.
2041         (Output_data_got::reserve_slot_for_global): New function.
2042         (Output_data_got::add_got_entry): New function.
2043         (Output_data_got::add_got_entry_pair): New function.
2044         (Output_section::add_output_section_data): Edit FIXME.
2045         * output.h
2046         (Output_section_data_build::Output_section_data_build): New
2047         constructor with size parameter.
2048         (Output_data_space::Output_data_space): Likewise.
2049         (Output_data_got::Output_data_got): Initialize new data member; new
2050         constructor with size parameter.
2051         (Output_data_got::add_constant): Call add_got_entry.
2052         (Output_data_got::reserve_slot): New function.
2053         (Output_data_got::reserve_slot_for_global): New function.
2054         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2055         (Output_data_got::add_got_entry): New function.
2056         (Output_data_got::add_got_entry_pair): New function.
2057         (Output_data_got::free_list_): New data member.
2058         * target.h (Sized_target::init_got_plt_for_update): New function.
2059         (Sized_target::register_global_plt_entry): New function.
2060         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2061         Initialize new data member; call init; add constructor with PLT count.
2062         (Output_data_plt_x86_64::init): New function.
2063         (Output_data_plt_x86_64::add_relocation): New function.
2064         (Output_data_plt_x86_64::reserve_slot): New function.
2065         (Output_data_plt_x86_64::free_list_): New data member.
2066         (Target_x86_64::init_got_plt_for_update): New function.
2067         (Target_x86_64::register_global_plt_entry): New function.
2068         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2069         incremental updates.
2070         (Output_data_plt_x86_64::add_relocation): New function.
2071         * testsuite/object_unittest.cc (Object_test): Set default options.
2072
2073 2011-05-16  Ian Lance Taylor  <iant@google.com>
2074
2075         * options.h (class General_options): Make -i a synonym for -r.
2076
2077 2011-05-16  Ian Lance Taylor  <iant@google.com>
2078
2079         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2080
2081 2011-05-10 Cary Coutant  <ccoutant@google.com>
2082
2083         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2084         strip_all (-s).
2085
2086 2011-05-06  Ian Lance Taylor  <iant@google.com>
2087
2088         * layout.cc (Layout::layout): If the output section flags change,
2089         update the ordering.
2090
2091 2011-04-25 Cary Coutant  <ccoutant@google.com>
2092
2093         * incremental-dump.cc (dump_incremental_inputs): Print local
2094         symbol info for each input file.
2095         * incremental.cc
2096         (Output_section_incremental_inputs::set_final_data_size): Add local
2097         symbol info to input file entries in incremental info.
2098         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2099         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2100         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2101         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2102         implementation.
2103         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2104         (Sized_incr_relobj::do_relocate): Write the local symbols.
2105         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2106         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2107         Adjust size of input file header.
2108         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2109         (Incremental_inputs_reader::get_local_symbol_count): New function.
2110         (Incremental_inputs_reader::get_input_section): Adjust size of input
2111         file header.
2112         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2113         (Sized_incr_relobj::This): New typedef.
2114         (Sized_incr_relobj::sym_size): New const data member.
2115         (Sized_incr_relobj::Local_symbol): New struct.
2116         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2117         (Sized_incr_relobj::do_local_symbol_offset): New function.
2118         (Sized_incr_relobj::local_symbol_count_): New data member.
2119         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2120         (Sized_incr_relobj::local_symbol_index_): New data member.
2121         (Sized_incr_relobj::local_symbol_offset_): New data member.
2122         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2123         (Sized_incr_relobj::local_symbols_): New data member.
2124         * object.h (Relobj::output_local_symbol_count): New function.
2125         (Relobj::local_symbol_offset): New function.
2126         (Relobj::do_output_local_symbol_count): New function.
2127         (Relobj::do_local_symbol_offset): New function.
2128         (Sized_relobj::do_output_local_symbol_count): New function.
2129         (Sized_relobj::do_local_symbol_offset): New function.
2130
2131 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2132
2133         * descriptors.cc (set_close_on_exec): New function.
2134         (Descriptors::open): Use set_close_on_exec.
2135         * output.cc (S_ISLNK): Define if not defined.
2136
2137 2011-04-22 Cary Coutant  <ccoutant@google.com>
2138
2139         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2140         global symbol map.
2141         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2142         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2143         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2144         relocations.
2145         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2146         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2147         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2148         * incremental.h
2149         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2150         function.
2151         (Incremental_binary::apply_incremental_relocs): New function.
2152         (Incremental_binary::do_apply_incremental_relocs): New function.
2153         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2154         data member.
2155         (Sized_incremental_binary::add_global_symbol): New function.
2156         (Sized_incremental_binary::global_symbol): New function.
2157         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2158         (Sized_incremental_binary::symbol_map_): New data member.
2159         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2160         * target.h (Sized_target::apply_relocation): New function.
2161         * target-reloc.h (apply_relocation): New function.
2162         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2163
2164 2011-04-22  Doug Kwan  <dougkwan@google.com>
2165
2166         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2167         flag of a SHT_ARM_EXIDX section.
2168         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2169         * testsuite/Makefile.in: Regenerate.
2170         * testsuite/arm_exidx_test.s: New file.
2171         * testsuite/arm_exidx_test.sh: Same.
2172
2173 2011-04-20 Cary Coutant  <ccoutant@google.com>
2174
2175         PR gold/12689
2176         * archive.h (Incremental_archive_entry::Archive_member):
2177         Initialize arg_serial_ (second constructor).
2178
2179 2011-04-17  Ian Lance Taylor  <iant@google.com>
2180
2181         * object.cc (Relocate_info::location): Simplify location string.
2182         * errors.cc (Errors::error_at_location): Don't print program
2183         name.
2184         (Errors::warning_at_location): Likewise.
2185         (Errors::undefined_symbol): Likewise.
2186         * testsuite/debug_msg.sh: Update accordingly.
2187
2188 2011-04-14 Cary Coutant  <ccoutant@google.com>
2189
2190         * gold/layout.cc (Layout::symtab_section_offset): New function.
2191         * gold/layout.h (Layout::symtab_section_offset): New function.
2192         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2193
2194 2011-04-12  Ian Lance Taylor  <iant@google.com>
2195
2196         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2197         with MREMAP_MAYMOVE.
2198         * output.h (class Output_file): Add map_is_allocated_ field.
2199         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2200         not available, provide stubs.  If mremap is not available, #define
2201         it to gold_mremap.
2202         (MREMAP_MAYMOVE): Define if not defined.
2203         (Output_file::Output_file): Initialize map_is_allocated_.
2204         (Output_file::resize): Check map_is_allocated_.
2205         (Output_file::map_anonymous): If mmap fails, use malloc.
2206         (Output_file::unmap): Don't do anything for an anonymous map.
2207         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2208         is not available, provide stubs.
2209         (File_read::View::~View): Use free rather than delete[].
2210         (File_read::make_view): Use malloc rather than new[].  If mmap
2211         fails, use malloc.
2212         (File_read::find_or_make_view): Use malloc rather than new[].
2213         * gold.h: Remove HAVE_REMAP code.
2214         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2215         exists.  Rename mremap to gold_mremap.  If mmap is not available
2216         don't do anything.
2217         * configure, config.in: Rebuild.
2218
2219 2011-04-11  Ian Lance Taylor  <iant@google.com>
2220
2221         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2222         initialize local variable v.
2223
2224 2011-04-11  Cary Coutant  <ccoutant@google.com>
2225
2226         * archive.cc (Archive::include_member): Adjust call to
2227         report_object.
2228         (Add_archive_symbols::run): Track argument serial numbers.
2229         (Lib_group::include_member): Likewise.
2230         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2231         * archive.h (Incremental_archive_entry::Archive_member):
2232         Initialize arg_serial_.
2233         (Archive_member::arg_serial_): New data member.
2234         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2235         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2236         incremental link.
2237         (Sized_dynobj::do_for_all_local_got_entries): New function.
2238         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2239         function.
2240         * fileread.cc (get_mtime): New function.
2241         * fileread.h (get_mtime): New function.
2242         * gold.cc (queue_initial_tasks): Check for incremental update.
2243         (process_incremental_input): New function.
2244         (queue_middle_tasks): Don't force valid target for incremental
2245         update.
2246         * incremental-dump.cc (find_input_containing_global): Adjust
2247         size of symbol info entry.
2248         (dump_incremental_inputs): Dump argument serial number and
2249         in_system_directory flag; bias shndx by 1; print symbol names
2250         when dumping per-file symbol lists; use new symbol info readers.
2251         * incremental.cc
2252         (Output_section_incremental_inputs:update_data_size): New function.
2253         (Sized_incremental_binary::setup_readers): Setup input readers
2254         for each input file; build maps for files added from libraries
2255         and scripts.
2256         (Sized_incremental_binary::check_input_args): New function.
2257         (Sized_incremental_binary::do_check_inputs): Build map of argument
2258         serial numbers to input arguments.
2259         (Sized_incremental_binary::do_file_has_changed): Rename
2260         do_file_is_unchanged to this; compare file modification times.
2261         (Sized_incremental_binary::do_init_layout): New function.
2262         (Sized_incremental_binary::do_reserve_layout): New function.
2263         (Sized_incremental_binary::do_get_input_reader): Remove.
2264         (Sized_incremental_binary::get_symtab_view): New function.
2265         (Incremental_checker::can_incrementally_link_output_file): Remove.
2266         (Incremental_inputs::report_command_line): Exclude --debug options.
2267         (Incremental_inputs::report_archive_begin): Add parameter; track
2268         argument serial numbers; don't put input file entry for archive
2269         before archive members.
2270         (Incremental_inputs::report_archive_end): Put input file entry
2271         for archive after archive members.
2272         (Incremental_inputs::report_object): Add parameter; track argument
2273         serial numbers and in_system_directory flag.
2274         (Incremental_inputs::report_script): Add parameter; track argument
2275         serial numbers.
2276         (Output_section_incremental_inputs::set_final_data_size): Adjust
2277         size of symbol info entry; check for forwarding symbols.
2278         (Output_section_incremental_inputs::write_input_files): Write
2279         in_system_directory flag and argument serial number.
2280         (Output_section_incremental_inputs::write_info_blocks): Map section
2281         indices between incremental info and original input file; store
2282         input section index for each symbol.
2283         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2284         change operator() to visit().
2285         (class Global_got_offset_visitor): Likewise.
2286         (class Global_symbol_visitor_got_plt):
2287         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2288         classes.
2289         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2290         (Sized_incr_relobj::do_read_symbols): New function.
2291         (Sized_incr_relobj::do_layout): New function.
2292         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2293         (Sized_incr_relobj::do_add_symbols): New function.
2294         (Sized_incr_relobj::do_should_include_member): New function.
2295         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2296         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2297         (Sized_incr_relobj::do_section_size): New function.
2298         (Sized_incr_relobj::do_section_name): New function.
2299         (Sized_incr_relobj::do_section_contents): New function.
2300         (Sized_incr_relobj::do_section_flags): New function.
2301         (Sized_incr_relobj::do_section_entsize): New function.
2302         (Sized_incr_relobj::do_section_address): New function.
2303         (Sized_incr_relobj::do_section_type): New function.
2304         (Sized_incr_relobj::do_section_link): New function.
2305         (Sized_incr_relobj::do_section_info): New function.
2306         (Sized_incr_relobj::do_section_addralign): New function.
2307         (Sized_incr_relobj::do_initialize_xindex): New function.
2308         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2309         (Sized_incr_relobj::do_read_relocs): New function.
2310         (Sized_incr_relobj::do_gc_process_relocs): New function.
2311         (Sized_incr_relobj::do_scan_relocs): New function.
2312         (Sized_incr_relobj::do_count_local_symbols): New function.
2313         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2314         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2315         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2316         (Sized_incr_relobj::do_relocate): New function.
2317         (Sized_incr_relobj::do_set_section_offset): New function.
2318         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2319         (Sized_incr_dynobj::do_read_symbols): New function.
2320         (Sized_incr_dynobj::do_layout): New function.
2321         (Sized_incr_dynobj::do_add_symbols): New function.
2322         (Sized_incr_dynobj::do_should_include_member): New function.
2323         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2324         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2325         (Sized_incr_dynobj::do_section_size): New function.
2326         (Sized_incr_dynobj::do_section_name): New function.
2327         (Sized_incr_dynobj::do_section_contents): New function.
2328         (Sized_incr_dynobj::do_section_flags): New function.
2329         (Sized_incr_dynobj::do_section_entsize): New function.
2330         (Sized_incr_dynobj::do_section_address): New function.
2331         (Sized_incr_dynobj::do_section_type): New function.
2332         (Sized_incr_dynobj::do_section_link): New function.
2333         (Sized_incr_dynobj::do_section_info): New function.
2334         (Sized_incr_dynobj::do_section_addralign): New function.
2335         (Sized_incr_dynobj::do_initialize_xindex): New function.
2336         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2337         (make_sized_incremental_object): New function.
2338         (Incremental_library::copy_unused_symbols): New function.
2339         (Incremental_library::do_for_all_unused_symbols): New function.
2340         * incremental.h (enum Incremental_input_flags): New type.
2341         (class Incremental_checker): Remove.
2342         (Incremental_input_entry::Incremental_input_entry): Add argument
2343         serial number.
2344         (Incremental_input_entry::arg_serial): New function.
2345         (Incremental_input_entry::set_is_in_system_directory): New function.
2346         (Incremental_input_entry::is_in_system_directory): New function.
2347         (Incremental_input_entry::arg_serial_): New data member.
2348         (Incremental_input_entry::is_in_system_directory_): New data member.
2349         (class Script_info): Move here from script.h.
2350         (Script_info::Script_info): Add filename parameter.
2351         (Script_info::filename): New function.
2352         (Script_info::filename_): New data member.
2353         (Incremental_script_entry::Incremental_script_entry): Add argument
2354         serial number.
2355         (Incremental_object_entry::Incremental_object_entry): Likewise.
2356         (Incremental_object_entry::add_input_section): Build list of input
2357         sections with map to original shndx.
2358         (Incremental_object_entry::get_input_section_index): New function.
2359         (Incremental_object_entry::shndx_): New data member.
2360         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2361         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2362         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2363         serial number.
2364         (Incremental_inputs::report_archive_begin): Likewise.
2365         (Incremental_inputs::report_object): Likewise.
2366         (Incremental_inputs::report_script): Likewise.
2367         (class Incremental_global_symbol_reader): New class.
2368         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2369         and store flags and input file type.
2370         (Incremental_input_entry_reader::arg_serial): New function.
2371         (Incremental_input_entry_reader::type): Extract type from flags.
2372         (Incremental_input_entry_reader::is_in_system_directory): New function.
2373         (Incremental_input_entry_reader::get_input_section_count): Call
2374         accessor function for type.
2375         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2376         function for type; adjust size of global symbol entry.
2377         (Incremental_input_entry_reader::get_global_symbol_count): Call
2378         accessor function for type.
2379         (Incremental_input_entry_reader::get_object_count): Likewise.
2380         (Incremental_input_entry_reader::get_object_offset): Likewise.
2381         (Incremental_input_entry_reader::get_member_count): Likewise.
2382         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2383         (Incremental_input_entry_reader::get_member_offset): Likewise.
2384         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2385         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2386         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2387         (Incremental_input_entry_reader::get_global_symbol_reader): New
2388         function.
2389         (Incremental_input_entry_reader::get_output_symbol_index): New
2390         function.
2391         (Incremental_input_entry_reader::type_): Remove.
2392         (Incremental_input_entry_reader::flags_): New data member.
2393         (Incremental_inputs_reader::input_file_offset): New function.
2394         (Incremental_inputs_reader::input_file_index): New function.
2395         (Incremental_inputs_reader::input_file): Call input_file_offset.
2396         (Incremental_inputs_reader::input_file_at_offset): New function.
2397         (Incremental_relocs_reader::get_r_type): Reformat.
2398         (Incremental_relocs_reader::get_r_shndx): Reformat.
2399         (Incremental_relocs_reader::get_r_offset): Reformat.
2400         (Incremental_relocs_reader::data): New function.
2401         (Incremental_binary::Incremental_binary): Initialize new data members.
2402         (Incremental_binary::check_inputs): Add cmdline parameter.
2403         (Incremental_binary::file_is_unchanged): Remove.
2404         (Input_reader::arg_serial): New function.
2405         (Input_reader::get_unused_symbol_count): New function.
2406         (Input_reader::get_unused_symbol): New function.
2407         (Input_reader::do_arg_serial): New function.
2408         (Input_reader::do_get_unused_symbol_count): New function.
2409         (Input_reader::do_get_unused_symbol): New function.
2410         (Incremental_binary::input_file_count): New function.
2411         (Incremental_binary::get_input_reader): Change signature to use
2412         index instead of filename.
2413         (Incremental_binary::file_has_changed): New function.
2414         (Incremental_binary::get_input_argument): New function.
2415         (Incremental_binary::get_library): New function.
2416         (Incremental_binary::get_script_info): New function.
2417         (Incremental_binary::init_layout): New function.
2418         (Incremental_binary::reserve_layout): New function.
2419         (Incremental_binary::output_file): New function.
2420         (Incremental_binary::do_check_inputs): New function.
2421         (Incremental_binary::do_file_is_unchanged): Remove.
2422         (Incremental_binary::do_file_has_changed): New function.
2423         (Incremental_binary::do_init_layout): New function.
2424         (Incremental_binary::do_reserve_layout): New function.
2425         (Incremental_binary::do_input_file_count): New function.
2426         (Incremental_binary::do_get_input_reader): Change signature.
2427         (Incremental_binary::input_args_map_): New data member.
2428         (Incremental_binary::library_map_): New data member.
2429         (Incremental_binary::script_map_): New data member.
2430         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2431         new data members.
2432         (Sized_incremental_binary::output_section): New function.
2433         (Sized_incremental_binary::inputs_reader): Add const.
2434         (Sized_incremental_binary::symtab_reader): Add const.
2435         (Sized_incremental_binary::relocs_reader): Add const.
2436         (Sized_incremental_binary::got_plt_reader): Add const.
2437         (Sized_incremental_binary::get_symtab_view): New function.
2438         (Sized_incremental_binary::Inputs_reader): New typedef.
2439         (Sized_incremental_binary::Input_entry_reader): New typedef.
2440         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2441         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2442         (Sized_incremental_binary::do_file_has_changed): New function.
2443         (Sized_incremental_binary::do_init_layout): New function.
2444         (Sized_incremental_binary::do_reserve_layout): New function.
2445         (Sized_input_reader::Inputs_reader): Remove.
2446         (Sized_input_reader::Input_entry_reader): Remove.
2447         (Sized_input_reader::do_arg_serial): New function.
2448         (Sized_input_reader::do_get_unused_symbol_count): New function.
2449         (Sized_input_reader::do_get_unused_symbol): New function.
2450         (Sized_incremental_binary::do_input_file_count): New function.
2451         (Sized_incremental_binary::do_get_input_reader): Change signature;
2452         use index instead of filename.
2453         (Sized_incremental_binary::section_map_): New data member.
2454         (Sized_incremental_binary::input_entry_readers_): New data member.
2455         (class Sized_incr_relobj): New class.
2456         (class Sized_incr_dynobj): New class.
2457         (make_sized_incremental_object): New function.
2458         (class Incremental_library): New class.
2459         * layout.cc (Free_list::num_lists): New static data member.
2460         (Free_list::num_nodes): New static data member.
2461         (Free_list::num_removes): New static data member.
2462         (Free_list::num_remove_visits): New static data member.
2463         (Free_list::num_allocates): New static data member.
2464         (Free_list::num_allocate_visits): New static data member.
2465         (Free_list::init): New function.
2466         (Free_list::remove): New function.
2467         (Free_list::allocate): New function.
2468         (Free_list::dump): New function.
2469         (Free_list::print_stats): New function.
2470         (Layout_task_runner::run): Resize output file for incremental updates.
2471         (Layout::Layout): Initialize new data members.
2472         (Layout::set_incremental_base): New function.
2473         (Layout::init_fixed_output_section): New function.
2474         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2475         incremental updates.
2476         (Layout::create_gold_note): Do not create gold note section for
2477         incremental updates.
2478         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2479         for incremental updates.
2480         (Layout::set_section_offsets): For incremental updates, allocate space
2481         from free list.
2482         (Layout::create_symtab_sections): Layout with offsets relative to
2483         start of section; for incremental updates, allocate space from free
2484         list.
2485         (Layout::create_shdrs): For incremental updates, allocate space from
2486         free list.
2487         (Layout::finish_dynamic_section): For incremental updates, do not
2488         check --as-needed (fixed in subsequent patch).
2489         * layout.h (class Free_list): New class.
2490         (Layout::set_incremental_base): New function.
2491         (Layout::incremental_base): New function.
2492         (Layout::init_fixed_output_section): New function.
2493         (Layout::allocate): New function.
2494         (Layout::incremental_base_): New data member.
2495         (Layout::free_list_): New data member.
2496         * main.cc (main): Print Free_list statistics.
2497         * object.cc (Relobj::finalize_incremental_relocs): Add
2498         clear_counts parameter; clear counts only when clear_counts is set.
2499         (Sized_relobj::Sized_relobj): Initialize new base class.
2500         (Sized_relobj::do_layout): Don't report special sections.
2501         (Sized_relobj::do_for_all_local_got_entries): New function.
2502         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2503         symtab_off to all symbol table offsets.
2504         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2505         * object.h (class Got_offset_list): Move to top of file.
2506         (Object::Object): Allow case where input_file == NULL.
2507         (Object::~Object): Likewise.
2508         (Object::input_file): Assert that input_file != NULL.
2509         (Object::lock): Allow case where input_file == NULL.
2510         (Object::unlock): Likewise.
2511         (Object::is_locked): Likewise.
2512         (Object::token): Likewise.
2513         (Object::release): Likewise.
2514         (Object::is_incremental): New function.
2515         (Object::get_mtime): New function.
2516         (Object::for_all_local_got_entries): New function.
2517         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2518         (Object::set_is_in_system_directory): New function.
2519         (Object::is_in_system_directory): New function.
2520         (Object::do_is_incremental): New function.
2521         (Object::do_get_mtime): New function.
2522         (Object::do_for_all_local_got_entries): New function.
2523         (Object::is_in_system_directory_): New data member.
2524         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2525         (class Sized_relobj_base): New class.
2526         (class Sized_relobj): Derive from Sized_relobj_base.
2527         (class Sized_relobj::Symbols): Redeclare from base class.
2528         (class Sized_relobj::local_got_offset_list): Remove.
2529         (class Sized_relobj::Output_sections): Redeclare from base class.
2530         (class Sized_relobj::do_for_all_local_got_entries): New function.
2531         (class Sized_relobj::write_local_symbols): Add offset parameter.
2532         (class Sized_relobj::local_symbol_offset_): Update comment.
2533         (class Sized_relobj::local_dynsym_offset_): Update comment.
2534         * options.cc (Input_arguments::add_file): Remove const.
2535         * options.h (Input_file_argument::Input_file_argument):
2536         Initialize arg_serial_ (all constructors).
2537         (Input_file_argument::set_arg_serial): New function.
2538         (Input_file_argument::arg_serial): New function.
2539         (Input_file_argument::arg_serial_): New data member.
2540         (Input_arguments::Input_arguments): Initialize file_count_.
2541         (Input_arguments::add_file): Remove const.
2542         (Input_arguments::number_of_input_files): New function.
2543         (Input_arguments::file_count_): New data member.
2544         (Command_line::number_of_input_files): Call
2545         Input_arguments::number_of_input_files.
2546         * output.cc (Output_segment_headers::Output_segment_headers):
2547         Set current size.
2548         (Output_section::Input_section::current_data_size): New function.
2549         (Output_section::Output_section): Initialize new data members.
2550         (Output_section::add_input_section): Don't do merge sections for
2551         an incremental link; allocate space from free list for an
2552         incremental update.
2553         (Output_section::add_output_section_data): Allocate space from
2554         free list for an incremental update.
2555         (Output_section::update_data_size): New function.
2556         (Output_section::set_fixed_layout): New function.
2557         (Output_section::reserve): New function.
2558         (Output_segment::set_section_addresses): Remove const.
2559         (Output_segment::set_section_list_addresses): Remove const; allocate
2560         space from free list for an incremental update.
2561         (Output_segment::set_offset): Adjust size of RELRO segment for an
2562         incremental update.
2563         * output.h (Output_data::current_data_size): Move here from
2564         child classes.
2565         (Output_data::pre_finalize_data_size): New function.
2566         (Output_data::update_data_size): New function.
2567         (Output_section_headers::update_data_size): new function.
2568         (Output_section_data_build::current_data_size): Move to Output_data.
2569         (Output_data_strtab::update_data_size): New function.
2570         (Output_section::current_data_size): Move to Output_data.
2571         (Output_section::set_fixed_layout): New function.
2572         (Output_section::has_fixed_layout): New function.
2573         (Output_section::reserve): New function.
2574         (Output_section::update_data_size): New function.
2575         (Output_section::has_fixed_layout_): New data member.
2576         (Output_section::free_list_): New data member.
2577         (Output_segment::set_section_addresses): Remove const.
2578         (Output_segment::set_section_list_addresses): Remove const.
2579         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2580         New function.
2581         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2582         New function.
2583         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2584         parameter when calling Add_symbols constructor; store argument
2585         serial number for members of a lib group.
2586         (Add_symbols::locks): Allow case where token == NULL.
2587         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2588         (Read_member::~Read_member): New function.
2589         (Read_member::is_runnable): New function.
2590         (Read_member::locks): New function.
2591         (Read_member::run): New function.
2592         (Check_script::~Check_script): New function.
2593         (Check_script::is_runnable): New function.
2594         (Check_script::locks): New function.
2595         (Check_script::run): New function.
2596         (Check_library::~Check_library): New function.
2597         (Check_library::is_runnable): New function.
2598         (Check_library::locks): New function.
2599         (Check_library::run): New function.
2600         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2601         (Add_symbols::library_): New data member.
2602         (class Read_member): New class.
2603         (class Check_script): New class.
2604         (class Check_library): New class.
2605         * reloc.cc (Read_relocs::is_runnable): Allow case where
2606         token == NULL.
2607         (Read_relocs::locks): Likewise.
2608         (Scan_relocs::locks): Likewise.
2609         (Relocate_task::locks): Likewise.
2610         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2611         to clear counters.
2612         (Sized_relobj::incremental_relocs_scan): Fix comment.
2613         (Sized_relobj::do_relocate): Pass output file offset to
2614         write_local_symbols.
2615         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2616         from class declaration.
2617         * script.cc (read_input_script): Allocate Script_info; pass
2618         argument serial number to report_script.
2619         * script.h (class Script_info): Move to incremental.h.
2620         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2621         * symtab.h (Symbol_table::add_from_incrobj): New function.
2622         (Symbol_table::set_file_offset): New function.
2623
2624 2011-04-05  Cary Coutant  <ccoutant@google.com>
2625
2626         * incremental-dump.cc (dump_incremental_inputs): Change signature
2627         to take a Sized_incremental_binary; change caller.  Use readers
2628         in Sized_incremental_binary.
2629         * incremental.cc
2630         (Sized_incremental_binary::find_incremental_inputs_sections):
2631         Rename do_find_incremental_inputs_sections to this.
2632         (Sized_incremental_binary::setup_readers): New function.
2633         (Sized_incremental_binary::do_check_inputs): Check
2634         has_incremental_info_ flag; move setup code to setup_readers;
2635         use input readers.
2636         (Sized_incremental_binary::do_file_is_unchanged): New function.
2637         (Sized_incremental_binary::do_get_input_reader): New function.
2638         * incremental.h (class Incremental_binary): Move to end of file.
2639         (Incremental_binary::file_is_unchanged): New function.
2640         (Incremental_binary::do_file_is_unchanged): New function.
2641         (Incremental_binary::Input_reader): New class.
2642         (Incremental_binary::get_input_reader): New function.
2643         (class Sized_incremental_binary): Move to end of file.
2644         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2645         input section reader classes.
2646         (Sized_incremental_binary::has_incremental_info): New function.
2647         (Sized_incremental_binary::inputs_reader): New function.
2648         (Sized_incremental_binary::symtab_reader): New function.
2649         (Sized_incremental_binary::relocs_reader): New function.
2650         (Sized_incremental_binary::got_plt_reader): New function.
2651         (Sized_incremental_binary::do_file_is_unchanged): New function.
2652         (Sized_incremental_binary::Sized_input_reader): New class.
2653         (Sized_incremental_binary::get_input_reader): New function.
2654         (Sized_incremental_binary::find_incremental_inputs_sections):
2655         Rename do_find_incremental_inputs_sections to this.
2656         (Sized_incremental_binary::setup_readers): New function.
2657         (Sized_incremental_binary::has_incremental_info_): New data member.
2658         (Sized_incremental_binary::inputs_reader_): New data member.
2659         (Sized_incremental_binary::symtab_reader_): New data member.
2660         (Sized_incremental_binary::relocs_reader_): New data member.
2661         (Sized_incremental_binary::got_plt_reader_): New data member.
2662         (Sized_incremental_binary::current_input_file_): New data member.
2663
2664 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2665
2666         PR gold/12640
2667         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2668         violation.
2669
2670 2011-03-30  Cary Coutant  <ccoutant@google.com>
2671
2672         * archive.cc (Archive::include_member): Adjust call to report_object.
2673         (Add_archive_symbols::run): Add script_info to call to
2674         report_archive_begin.
2675         (Lib_group::include_member): Adjust call to report_object.
2676         (Add_lib_group_symbols::run): Adjust call to report_object.
2677         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2678         blocks.  Add object count for script input files.
2679         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2680         script_info parameter; change all callers.
2681         (Incremental_inputs::report_object): Add script_info parameter;
2682         change all callers.
2683         (Incremental_inputs::report_script): Store backpointer to
2684         incremental info entry.
2685         (Output_section_incremental_inputs::set_final_data_size): Record
2686         additional information for scripts.
2687         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2688         * incremental.h (Incremental_script_entry::add_object): New function.
2689         (Incremental_script_entry::get_object_count): New function.
2690         (Incremental_script_entry::get_object): New function.
2691         (Incremental_script_entry::objects_): New data member; adjust
2692         constructor.
2693         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2694         (Incremental_inputs::report_object): Add script_info parameter.
2695         (Incremental_inputs_reader::get_object_count): New function.
2696         (Incremental_inputs_reader::get_object_offset): New function.
2697         * options.cc (Input_arguments::add_file): Return reference to
2698         new input argument.
2699         * options.h (Input_argument::set_script_info): New function.
2700         (Input_argument::script_info): New function.
2701         (Input_argument::script_info_): New data member; adjust all
2702         constructors.
2703         (Input_file_group::add_file): Return reference to new input argument.
2704         (Input_file_lib::add_file): Likewise.
2705         (Input_arguments::add_file): Likewise.
2706         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2707         * script.cc (Parser_closure::Parser_closure): Add script_info
2708         parameter; adjust all callers.
2709         (Parser_closure::script_info): New function.
2710         (Parser_closure::script_info_): New data member.
2711         (read_input_script): Report scripts earlier to incremental info.
2712         (script_add_file): Set script_info in Input_argument.
2713         (script_add_library): Likewise.
2714         * script.h (Script_options::Script_info): Rewrite class.
2715
2716 2011-03-29  Cary Coutant  <ccoutant@google.com>
2717
2718         * archive.cc (Library_base::should_include_member): Move
2719         method here from class Archive.
2720         (Archive::Archive): Initialize base class.
2721         (Archive::should_include_member): Move to base class.
2722         (Archive::do_for_all_unused_symbols): New function.
2723         (Add_archive_symbols::run): Remove redundant access to
2724         incremental_inputs.
2725         (Lib_group::Lib_group): Initialize base class.
2726         (Lib_group::do_filename): New function.
2727         (Lib_group::include_member): Pass pointer to Lib_group to
2728         report_object.
2729         (Lib_group::do_for_all_unused_symbols): New function.
2730         (Add_lib_group_symbols::run): Report archive information for
2731         incremental links.
2732         * archive.h (class Library_base): New base class.
2733         (class Archive): Derive from Library_base.
2734         (Archive::filename): Move to base class.
2735         (Archive::set_incremental_info): Likewise.
2736         (Archive::incremental_info): Likewise.
2737         (Archive::Should_include): Likewise.
2738         (Archive::should_include_member): Likewise.
2739         (Archive::Armap_entry): Remove.
2740         (Archive::Unused_symbol_iterator): Remove.
2741         (Archive::unused_symbols_begin): Remove.
2742         (Archive::unused_symbols_end): Remove.
2743         (Archive::do_filename): New function.
2744         (Archive::do_get_mtime): New function.
2745         (Archive::do_for_all_unused_symbols): New function.
2746         (Archive::task_): Move to base class.
2747         (Archive::incremental_info_): Likewise.
2748         (class Lib_group): Derive from Library_base.
2749         (Lib_group::do_filename): New function.
2750         (Lib_group::do_get_mtime): New function.
2751         (Lib_group::do_for_all_unused_symbols): New function.
2752         (Lib_group::task_): Move to base class.
2753         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2754         function.
2755         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2756         function.
2757         * incremental.cc (Incremental_inputs::report_archive_begin):
2758         Use Library_base; call library's get_mtime; add incremental inputs
2759         entry before members.
2760         (class Unused_symbol_visitor): New class.
2761         (Incremental_inputs::report_archive_end): Use Library_base; use
2762         visitor class to record unused symbols; don't add incremental inputs
2763         entry after members.
2764         (Incremental_inputs::report_object): Use Library_base.
2765         * incremental.h
2766         (Incremental_archive_entry::Incremental_archive_entry): Remove
2767         unused Archive parameter.
2768         (Incremental_inputs::report_archive_begin): Use Library_base.
2769         (Incremental_inputs::report_archive_end): Likewise.
2770         (Incremental_inputs::report_object): Likewise.
2771         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2772         function.
2773         * object.h (Object::for_all_global_symbols): New function.
2774         (Object::do_for_all_global_symbols): New function.
2775         (Sized_relobj::do_for_all_global_symbols): New function.
2776         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2777         function.
2778         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2779         function.
2780
2781 2011-03-27  Ian Lance Taylor  <iant@google.com>
2782
2783         * archive.cc (Archive::interpret_header): Return -1 if something
2784         goes wrong.  Change callers accordingly.
2785
2786 2011-03-25  Cary Coutant  <ccoutant@google.com>
2787
2788         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2789         * testsuite/Makefile.in: Regenerate.
2790
2791 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2792
2793         * plugin.cc (get_view): New.
2794         (Plugin::load): Pass get_view to the plugin.
2795         (Plugin_manager::get_view): New.
2796
2797 2011-03-21  Ian Lance Taylor  <iant@google.com>
2798
2799         * testsuite/final_layout.sh: Rewrite to not use dc.
2800         * testsuite/relro_test.sh: Fail if dc is not present.
2801
2802 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2803
2804         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2805         Change == to -eq.
2806         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2807         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2808         Change == to -eq.
2809         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2810         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2811
2812 2011-03-14  Ian Lance Taylor  <iant@google.com>
2813
2814         * script-sections.cc (Sort_output_sections::script_compare):
2815         Rename from is_before, change return type.
2816         (Sort_output_sections::operator()): Adjust accordingly.
2817
2818 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2819
2820         PR gold/12572
2821         * testsuite/odr_violation2.cc: Add comment to make all error line
2822         numbers double digits.
2823         * testsuite/debug_msg.sh: Adjust expected errors.
2824
2825 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2826
2827         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2828         but mark earlier ones as non-canonical
2829         (offset_to_iterator): Update search target and example
2830         (do_addr2line): Return extra lines in a vector*
2831         (format_file_lineno): Extract from do_addr2line
2832         (one_addr2line): Add vector* out-param
2833         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2834         when a lineno entry appeared last for its instruction
2835         (Dwarf_line_info): Add vector* out-param
2836         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2837         * symtab.cc (Odr_violation_compare): Include the lineno in the
2838         comparison again.
2839         (linenos_from_loc): New. Combine the canonical line for an
2840         address with its other lines.
2841         (True_if_intersect): New. Helper functor to make
2842         std::set_intersection a query.
2843         (detect_odr_violations): Compare sets of lines instead of just
2844         one line for each function. This became less deterministic, but
2845         has fewer false positives.
2846         * symtab.h: Declarations.
2847         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2848         mix an optimized and non-optimized object in the same binary
2849         (odr_violation2.so): Same.
2850         * testsuite/Makefile.in: Regenerate from Makefile.am.
2851         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2852         * testsuite/debug_msg.sh: Update line numbers and add
2853         assertions.
2854         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2855         non-optimized context.
2856         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2857         isn't inlined, and use OdrDerived in an optimized context.
2858         * testsuite/odr_header1.h: Defines OdrDerived, where
2859         optimization will change the
2860         first-instruction-in-the-destructor's file and line number.
2861         * testsuite/odr_header2.h: Defines OdrBase.
2862
2863 2011-03-09  Ian Lance Taylor  <iant@google.com>
2864
2865         * fileread.cc (File_read::clear_views): Don't delete the whole
2866         file view.
2867
2868 2011-03-08  Ian Lance Taylor  <iant@google.com>
2869
2870         PR gold/12525
2871         * fileread.cc: #include <climits>.
2872         (GOLD_IOV_MAX): Define.
2873         (File_read::read_multiple): Limit number of entries by iov_max.
2874         * fileread.h (class File_read): Always set max_readv_entries to
2875         128.
2876
2877 2011-03-07  Ian Lance Taylor  <iant@google.com>
2878
2879         PR gold/12525
2880         * options.h (class General_options): Add -dy and -dn.
2881
2882 2011-03-02  Cary Coutant  <ccoutant@google.com>
2883
2884         * testsuite/script_test_9.t: Add TLS segment.
2885
2886 2011-03-02  Simon Baldwin  <simonb@google.com>
2887
2888         * configure.ac: Add check for gnu_indirect_function support in
2889         the toolchain building binutils.
2890         * configure: Rebuild.
2891
2892 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2893
2894         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2895         plugin only symbols.
2896         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2897         in plugin files as not needed in the symbol table.
2898
2899 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2900
2901         * output.cc (Output_section::add_input_section): Delay fill
2902         generation for section ordering.
2903
2904 2011-02-09  Ian Lance Taylor  <iant@google.com>
2905
2906         PR gold/12316
2907         * object.h (class Sized_relobj): Remove clear_local_symbols.
2908         * reloc.cc (Sized_relobj::do_relocate): Don't call
2909         clear_local_symbols.
2910
2911 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2912
2913         * plugin.cc (is_visible_from_outside): Return true for symbols
2914         in the -u option.
2915
2916 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2917
2918         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2919         filename.
2920
2921 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2922
2923         * icf.h (is_section_foldable_candidate): Change type of parameter
2924         to std::string.
2925         * icf.cc (Icf::find_identical_sections): Change type of local variable
2926         section_name to be std::string.
2927         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2928
2929 2011-01-25  Ian Lance Taylor  <iant@google.com>
2930
2931         * script.cc (script_add_extern): Rewrite to use
2932         add_symbol_reference.
2933
2934 2011-01-25  Doug Kwan  <dougkwan@google.com>
2935
2936         * icf.cc (get_section_contents): Always lock section's object.
2937
2938 2011-01-24  Ian Lance Taylor  <iant@google.com>
2939
2940         * options.h (class General_options): Accept
2941         --no-detect-odr-violations.
2942
2943 2011-01-24  Ian Lance Taylor  <iant@google.com>
2944
2945         * version.cc (version_string): Bump to 1.11.
2946
2947 2011-01-24  Ian Lance Taylor  <iant@google.com>
2948
2949         * plugin.cc (class Plugin_rescan): Define new class.
2950         (Plugin_manager::claim_file): Set any_claimed_.
2951         (Plugin_manager::save_archive): New function.
2952         (Plugin_manager::save_input_group): New function.
2953         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2954         necessary.
2955         (Plugin_manager::new_undefined_symbol): New function.
2956         (Plugin_manager::rescan): New function.
2957         (Plugin_manager::rescannable_defines): New function.
2958         (Plugin_manager::add_input_file): Set any_added_.
2959         * plugin.h (class Plugin_manager): define new fields rescannable_,
2960         undefined_symbols_, any_claimed_, and any_added_.  Declare
2961         Plugin_rescan as friend.  Declare new functions.
2962         (Plugin_manager::Rescannable): Define type.
2963         (Plugin_manager::Rescannable_list): Define type.
2964         (Plugin_manager::Undefined_symbol_list): Define type.
2965         (Plugin_manager::Plugin_manager): Initialize new fields.
2966         * archive.cc (Archive::defines_symbol): New function.
2967         (Add_archive_symbols::run): Pass archive to plugins if any.
2968         * archive.h (class Archive): Declare defines_symbol.
2969         * readsyms.cc (Input_group::~Input_group): New function.
2970         (Finish_group::run): Pass input_group to plugins if any.
2971         * readsyms.h (class Input_group): Declare destructor.
2972         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2973         any.
2974
2975 2011-01-10  Ian Lance Taylor  <iant@google.com>
2976
2977         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2978         section as relro.
2979         (Layout::set_segment_offsets): Reset increase_relro before calling
2980         set_section_addresses a second time.
2981
2982 2011-01-04  Cary Coutant  <ccoutant@google.com>
2983
2984         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2985         sections before NOBITS sections.
2986
2987 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2988
2989         * version.cc (print_version): Update copyright to 2011.
2990
2991 2010-12-23  Cary Coutant  <ccoutant@google.com>
2992
2993         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2994         of OS to this->add.  Add OD parameter to second form of the function.
2995
2996 2010-12-20  Ian Lance Taylor  <iant@google.com>
2997
2998         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2999         second of two consecutive entries with same offset.
3000
3001 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3002
3003         * testsuite/Makefile.am (ifuncmain2static_LDADD)
3004         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
3005         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
3006         to avoid unneeded links against $(LDADD).
3007         * testsuite/Makefile.in: Regenerate.
3008
3009 2010-12-15  Ian Lance Taylor  <iant@google.com>
3010
3011         PR gold/12324
3012         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
3013         for R_X86_64_32 and R_X86_64_PC32.
3014         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
3015         ver_matching_def_pic.o.
3016         (ver_matching_def_pic.o): New target.
3017
3018 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3019
3020         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3021         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3022         Move definition before File_read::View member definitions.
3023         (File_read::View::~View): Initialize and hold lock before
3024         updating current_mapped_bytes.
3025
3026 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3027
3028         * dwarf_reader.cc: Remove outdated comment.
3029         * gold-threads.cc: Fix typo in error message.
3030         * archive.cc: Fix typos in comments.
3031         * archive.h: Likewise.
3032         * arm-reloc-property.cc: Likewise.
3033         * arm-reloc-property.h: Likewise.
3034         * arm-reloc.def: Likewise.
3035         * arm.cc: Likewise.
3036         * attributes.h: Likewise.
3037         * cref.cc: Likewise.
3038         * ehframe.cc: Likewise.
3039         * fileread.h: Likewise.
3040         * gold.h: Likewise.
3041         * i386.cc: Likewise.
3042         * icf.cc: Likewise.
3043         * incremental.h: Likewise.
3044         * int_encoding.cc: Likewise.
3045         * layout.h: Likewise.
3046         * main.cc: Likewise.
3047         * merge.h: Likewise.
3048         * object.cc: Likewise.
3049         * object.h: Likewise.
3050         * options.cc: Likewise.
3051         * readsyms.cc: Likewise.
3052         * reduced_debug_output.cc: Likewise.
3053         * reloc.cc: Likewise.
3054         * script-sections.cc: Likewise.
3055         * sparc.cc: Likewise.
3056         * symtab.h: Likewise.
3057         * target-reloc.h: Likewise.
3058         * target.cc: Likewise.
3059         * target.h: Likewise.
3060         * timer.cc: Likewise.
3061         * timer.h: Likewise.
3062         * x86_64.cc: Likewise.
3063
3064 2010-12-09  Cary Coutant  <ccoutant@google.com>
3065
3066         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3067         stack.
3068         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3069         parameter; change all callers.
3070         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3071         * options.h (warn_execstack): New option.
3072
3073 2010-12-07  Doug Kwan  <dougkwan@google.com>
3074
3075         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3076         like function call relocations.
3077
3078 2010-12-07  Ian Lance Taylor  <iant@google.com>
3079
3080         * archive.cc (Archive::get_elf_object_for_member): Permit
3081         punconfigured to be NULL.
3082         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3083         (Archive::include_member): Pass NULL to get_elf_object_for_member
3084         if we searched for the archive and this is the first included
3085         object.
3086
3087 2010-12-01  Ian Lance Taylor  <iant@google.com>
3088
3089         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3090         track_relocs_type_ field.
3091         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3092         Set track_relocs_type_.
3093         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3094         contents when using RELA relocs.
3095         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3096         reloc_map_.
3097         * reloc.cc (Track_relocs::next_addend): New function.
3098         * reloc.h (class Track_relocs): Declare next_addend.
3099
3100 2010-12-01  Ian Lance Taylor  <iant@google.com>
3101
3102         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3103         virtual destructor.
3104
3105 2010-12-01  Ian Lance Taylor  <iant@google.com>
3106
3107         * README: Update compilers known to work and fail.
3108
3109 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3110
3111         * configure.in: For --enable-gold, handle value `default' instead of
3112         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3113         not the default.
3114         * configure: Regenerate.
3115
3116 2010-11-18  Doug Kwan  <dougkwan@google.com>
3117
3118         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3119         and right_alignment to be zero.  Store result alignment only if it is
3120         greater than existing alignment.
3121
3122 2010-11-16  Cary Coutant  <ccoutant@google.com>
3123
3124         PR gold/12220
3125         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3126         Check for ".zdebug_line".
3127
3128 2010-11-16  Doug Kwan  <dougkwan@google.com>
3129             Cary Coutant  <ccoutant@google.com>
3130
3131         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3132         by reference; adjust all callers.
3133         * output.cc (Output_segment::set_section_addresses): Adjust references
3134         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3135         list is empty.
3136         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3137         end at page boundary.
3138
3139 2010-11-16  Cary Coutant  <ccoutant@google.com>
3140
3141         PR gold/12220
3142         * layout.cc (Layout::choose_output_section): Transform names of
3143         compressed sections even when using a script with a SECTIONS clause.
3144         (Layout::output_section_name): Remove code to transform
3145         compressed debug section names.
3146         * output.cc (Output_section::add_input_section): Use uncompressed
3147         section size when tracking input sections.
3148
3149 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3150
3151         * symtab.h (Symbol::NON_PIC_REF): Remove.
3152         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3153         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3154         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3155         (Symbol::use_plt_offset): Take a flags argument and pass it
3156         directly to needs_dynamic_reloc.  Restrict check for undefined
3157         weak symbols to function calls.
3158         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3159         (Target_arm::Scan::global): Use it.
3160         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3161         (Target_arm::Relocate::relocate): Likewise.
3162         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3163         parameter with an r_type parameter.  Use get_reference_flags
3164         to get the flags.
3165         (Target_arm::Relocate::relocate): Update accordingly.
3166         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3167         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3168         (Target_i386::Scan::global): Likewise.
3169         (Target_i386::Relocate::relocate): Likewise.
3170         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3171         parameter with an r_type parameter.  Use get_reference_flags
3172         to get the flags.
3173         (Target_i386::Relocate::relocate): Update accordingly.
3174         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3175         (Target_powerpc::Scan::global): Use it.
3176         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3177         (Target_powerpc::Relocate::relocate): Likewise.
3178         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3179         (Target_sparc::Scan::global): Use it.
3180         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3181         (Target_sparc::Relocate::relocate): Likewise.
3182         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3183         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3184         (Target_x86_64::Scan::global): Likewise.
3185         (Target_x86_64::Relocate::relocate): Likewise.
3186
3187 2010-11-08  Doug Kwan  <dougkwan@google.com>
3188             Cary Coutant  <ccoutant@google.com>
3189
3190         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3191         (Arm_exidx_merge_section::section_contents_): New data member.
3192         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3193         (Arm_input_section::~Arm_input_section): De-allocate memory.
3194         (Arm_input_section::original_contents_): New data member.
3195         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3196         in parameters instead of calling Object::section_contents without
3197         locking.
3198         (Arm_output_section::group_section): New parameter TASK.  Pass it
3199         to callees that need locking objects.
3200         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3201         to lock EXIDX input sections.  Fix a formatting issue.  Call
3202         Arm_exidx_merged_section::build_contents to create merged section
3203         contents.
3204         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3205         to lock object of stub table owner.
3206         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3207         TEXT_SIZE to initialize data member TEXT_SIZE_.
3208         (Arm_exidx_input_section::addralign): Fix typo in comment.
3209         (Arm_exidx_input_section::text_size): New method.
3210         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3211         that require locking objects.  Lock objects before scanning for stubs
3212         and updating local symbols.
3213         (Arm_input_section<big_endian>::init): Copy contents of original
3214         input section.
3215         (Arm_input_section<big_endian>::do_write): Use saved contents of
3216         original input section instead of calling Object::section_contents
3217         without locking.
3218         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3219         size without calling Object::section_size().
3220         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3221         for size.  Allocate a buffer for merged EXIDX entries.
3222         (Arm_exidx_merged_section::build_contents): New method.
3223         (Arm_exidx_merged_section::do_write): Move merge section contents
3224         building code to Arm_exidx_merged_section::build_contetns.  Write
3225         out contetns in buffer instead of building it on the fly.
3226         (Arm_relobj::make_exidx_input_section): Also pass text section size
3227         to Arm_exidx_input_section constructor.
3228         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3229         (Arm_dynobj::do_read_symbols): Fix memory leak.
3230         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3231         * target.h: (class Task): Add forward declaration.
3232         (Target::relax): Add new parameter TASK and pass it to
3233         Target::do_relax().
3234         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3235
3236 2010-11-05  Cary Coutant  <ccoutant@google.com>
3237
3238         PR gold/10708
3239         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3240         object when reading from the file.
3241         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3242         second layout pass.
3243         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3244         when reading section contents.
3245         (get_section_contents): Likewise.
3246         (icf::find_identical_sections): Likewise.
3247         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3248         object when reading from the file.
3249         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3250         the object when doing deferred section layout.
3251
3252 2010-11-03  Nick Clifton  <nickc@redhat.com>
3253
3254         PR gold/12001
3255         * script.h (class Symbol_assignment: name): New member.  Returns
3256         the name of the symbol.
3257         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3258         Returns true if the given symbol name is on the list of
3259         assignments wating to be processed.
3260         * archive.cc (should_incldue_member): If the symbol is undefined,
3261         check to see if it is on the list of symbols pending assignment.
3262
3263 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3264
3265         * script-sections.cc (Script_sections::find_memory_region): Check
3266         for a NULL output section pointer.
3267
3268 2010-10-29  Doug Kwan  <dougkwan@google.com>
3269
3270         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3271         Output_section::add_relaxed_input_section.
3272         * output.cc (Output_section::add_relaxed_input_section): Add new
3273         arguments LAYOUT and NAME.  Set section order index.
3274         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3275         Copy section order index.
3276         * output.h (Output_section::add_relaxed_input_section): Add new
3277         arguments LAYOUT and NAME.
3278
3279 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3280
3281         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3282         NATIVE_OR_CROSS_LINKER.
3283         * testsuite/Makefile.in: Regenerate.
3284
3285 2010-10-20  Doug Kwan  <dougkwan@google.com>
3286
3287         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3288         without SHF_LINK_ORDER flags.
3289         * layout.cc (Layout::choose_output_section): Do not filter
3290         SHF_LINK_ORDER flag in a relocatable link.
3291
3292 2010-10-17  Cary Coutant  <ccoutant@google.com>
3293
3294         * output.h (Output_segment::set_section_addresses): Change function
3295         signature.  Update all callers.
3296         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3297         sections.
3298         (Output_segment::set_section_addresses): Align after last TLS
3299         section.  Add padding before last relro section instead of after.
3300
3301 2010-10-17  Doug Kwan  <dougkwan@google.com>
3302
3303         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3304         GOT output section to be writable.
3305
3306 2010-10-14  Cary Coutant  <ccoutant@google.com>
3307
3308         * debug.h (DEBUG_INCREMENTAL): New flag.
3309         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3310         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3311         mode.
3312         * incremental.cc (report_command_line): Ignore all forms of
3313         --incremental.
3314         * layout.cc (Layout::Layout): Check parameters for incremental link
3315         mode.
3316         * options.cc (General_options::parse_incremental): New function.
3317         (General_options::parse_no_incremental): New function.
3318         (General_options::parse_incremental_full): New function.
3319         (General_options::parse_incremental_update): New function.
3320         (General_options::incremental_mode_): New data member.
3321         (General_options::finalize): Check incremental_mode_.
3322         * options.h (General_options): Update help text for --incremental.
3323         Add --no-incremental, --incremental-full, --incremental-update.
3324         (General_options::Incremental_mode): New enum type.
3325         (General_options::incremental_mode): New function.
3326         (General_options::incremental_mode_): New data member.
3327         * parameters.cc (Parameters::incremental_mode_): New data member.
3328         (Parameters::set_options): Set incremental_mode_.
3329         (Parameters::set_incremental_full): New function.
3330         (Parameters::incremental): New function.
3331         (Parameters::incremental_update): New function.
3332         (set_parameters_incremental_full): New function.
3333         * parameters.h (Parameters::set_incremental_full): New function.
3334         (Parameters::incremental): New function.
3335         (Parameters::incremental_update): New function.
3336         (Parameters::incremental_mode_): New data member.
3337         (set_parameters_incremental_full): New function.
3338         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3339         incremental link mode.
3340         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3341         (Sized_relobj::do_relocate_sections): Likewise.
3342         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3343         option.
3344         * testsuite/Makefile.in: Regenerate.
3345         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3346
3347 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3348
3349         * script-sections.h (class Script_sections): Make
3350         Sections_elements typedef public.
3351         * script-sections.cc (class Sort_output_sections): Add elements_
3352         field.  Add constructor which sets it; change all callers.
3353         (Sort_output_sections::is_before): New function.
3354         (Sort_output_sections::operator()): Call is_before.
3355         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3356         conditional.
3357         * testsuite/script_test_10.sh: New test. Test script section
3358         order.
3359         * testsuite/script_test_10.t: Likewise.
3360         * testsuite/script_test_10.s: Likewise.
3361         * testsuite/Makefile.am: Wrap the cross linker tests and the
3362         common tests into NATIVE_OR_CROSS_LINKER.
3363         (check_SCRIPTS): Add script_test_10.sh.
3364         (check_DATA): Add script_test_10.stdout.
3365         (script_test_10.o, script_test_10): New targets.
3366         (script_test_10.stdout): New target.
3367         * configure, testsuite/Makefile.in: Regenerate.
3368
3369 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3370
3371         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3372         error for the deprecated relocations.
3373         (Target_arm::Scan::global): Likewise.
3374         (Target_arm::Relocate::relocate): Likewise.
3375
3376 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3377
3378         * fileread.cc (Input_file::find_file): Initialize *found_name
3379         and *namep when using the fallback search for case 4.
3380
3381 2010-10-11  Cary Coutant  <ccoutant@google.com>
3382
3383         * options.h (class General_options): Redefine -z lazy as an alias for
3384         the negation of -z now.
3385
3386 2010-10-11  Ian Lance Taylor  <iant@google.com>
3387
3388         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3389         binding.
3390
3391 2010-10-06  Nick Clifton  <nickc@redhat.com>
3392
3393         * script-sections.cc(class Memory_region): Remove
3394         current_lma_offset_ field.  Rename current_vma_offset_ to
3395         current_offset_.  Add last_section_ field.
3396         (Memory_region::get_current_vma_address): Rename to
3397         get_current_address.
3398         (Memory_region::get_current_lma_address): Delete.
3399         (Memory_region::increment_vma_offset): Rename to
3400         increment_offset.
3401         (Memory_region::increment_lma_offset): Delete.
3402         (Memory_region::attributes_compatible): New method.  Returns
3403         true if the provided section is compatible with the region.
3404         (Memory_region::get_last_section): New method.  Returns the last
3405         section to use the region.
3406         (Memory_region::set_last_section): New method.  Stores the last
3407         section to use the region.
3408         (Script_sections::block_in_region): New method.  Returns true if
3409         a block of memory is contained within a region.
3410         (Script_sections::find_memory_region): New method.  Locates a
3411         memory region to be used to set a VMA or LMA address.
3412         (Output_section_definition::set_section_addresses): Add code to
3413         check for addresses set by memory regions.
3414         (Output_segment::set_section_addresses): Remove memory region
3415         walking code.
3416         (Script_sections::create_segment): Add a warning if a header
3417         segment is created outside of any region.
3418         * script-sections.h (class Script_sections): Add prototypes for
3419         find_memory_region and block_in_region methods.
3420         * testsuite/memory_test.s: Use .long instead of .word.
3421         * testsuite/memory_test.t: Add some more output sections.
3422         * testsuite/memory_test.sh: Update expected output.
3423
3424 2010-10-02  Doug Kwan  <dougkwan@google.com>
3425
3426         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3427         defintion to symtab.h
3428         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3429         declaration to defintion.
3430
3431 2010-10-01  Nick Clifton  <nickc@redhat.com>
3432
3433         * expression.cc (eval): Replace dummy argument with NULL.
3434         (eval_maybe_dot): Check for a NULL result section pointer.
3435         (Symbol_expression::value): Likewise.
3436         (Dot_expression::value): Likewise.
3437         (BINARY_EXPRESSION): Likewise.
3438         (Max_expression::value): Likewise.
3439         (Min_expression::value): Likewise.
3440         (Absolute_expression::value): Likewise.
3441         (Addr_expression::value_from_output_section): Likewise.
3442         (Loaddddr_expression::value_from_output_section): Likewise.
3443         (Segment_start_expression::value): Likewise.
3444         * script-sections.cc
3445         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3446         argument with NULL.
3447         (Sections_elememt_dot_assignment::set_section_addresses):
3448         Likewise.
3449         (Output_data_expression::do_write_to_buffer): Likewise.
3450         (Output_section_definition::finalize_symbols): Likewise.
3451         (Output_section_definition::set_section_addresses): Likewise.
3452
3453 2010-09-30  Doug Kwan  <dougkwan@google.com>
3454
3455         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3456
3457 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3458
3459         * target.h (Target::can_icf_inline_merge_sections): New virtual
3460         function.
3461         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3462         virtual function.
3463         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3464         virtual function.
3465         * icf.cc (get_section_contents): Inline merge sections only when
3466         target allows it.
3467
3468 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3469
3470         * configure: Regenerate.
3471
3472 2010-09-17  Ian Lance Taylor  <iant@google.com>
3473
3474         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3475         * testsuite/Makefile.am (memory_test.o): New target.
3476         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3477         memory_test.t.
3478         * testsuite/Makefile.in: Rebuild.
3479
3480 2010-09-17  Doug Kwan  <dougkwan@google.com>
3481
3482         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3483         defintion if relocation uses GOT entries of the symbol.
3484         * testsuite/icf_safe_test.sh: Fix test.
3485         * testsuite/icf_safe_so_test.sh: Fix test.
3486
3487 2010-09-16  Cary Coutant  <ccoutant@google.com>
3488
3489         * script_sections.cc (class Memory_region): Remove "NULL" from
3490         vector initializations.
3491
3492 2010-09-15  Cary Coutant  <ccoutant@google.com>
3493
3494         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3495         Resolve forwarding symbols.
3496
3497 2010-09-15  Doug Kwan  <dougkwan@google.com>
3498
3499         * gold/testsuite/script_test_3.t: Add ARM special sections.
3500         * gold/testsuite/script_test_4.t: Same.
3501         * gold/testsuite/script_test_5.t: Same.
3502         * gold/testsuite/script_test_6.t: Same.
3503         * gold/testsuite/script_test_7.t: Same.
3504         * gold/testsuite/script_test_7.t: Same.
3505         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3506
3507 2010-09-14  Cary Coutant  <ccoutant@google.com>
3508
3509         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3510         (Target_x86_64::Relocate::relocate_tls): Replace check for
3511         saw_tls_block_reloc_ with test for executable section.
3512
3513 2010-09-12  Cary Coutant  <ccoutant@google.com>
3514
3515         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3516         position-independent executables to shared libraries need dynamic
3517         relocations.
3518         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3519         position-independent executables.
3520         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3521         * testsuite/Makefile.in: Regenerate.
3522
3523 2010-09-10  Nick Clifton  <nickc@redhat.com>
3524
3525         PR gold/11997
3526         * testsuite/memory_test.t: Discard any sections that are not
3527         needed.
3528
3529 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3530
3531         PR gold/11996
3532         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3533         "This::" to work around a bug in gcc 4.2.
3534
3535         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3536
3537 2010-09-09  Rafael Espindola  <espindola@google.com>
3538
3539         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3540         sections with different PF_X flags in the same segment.
3541         (Layout::find_first_load_seg): Search all segments to find the first
3542         one.
3543         * options.h (rosegment): New.
3544
3545 2010-09-08  Rafael Espindola  <espindola@google.com>
3546
3547         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3548
3549 2010-09-08  Doug Kwan  <dougkwan@google.com>
3550
3551         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3552         (Arm_relobj::do_relocate_sections): Add new parameter for output
3553         file to match the parent.
3554         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3555         of local symbols instead of input values.  Update code to track
3556         changes in gold::relocate_section.
3557         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3558         (Sized_relobj::compute_final_local_value_internal): New methods.
3559         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3560         body into private version of Sized_relobj::compute_final_local_value.
3561         Call the inline method.
3562         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3563         merged symbol value if there is one.
3564         (Symbol_value::has_output_value): New method defintiion.
3565         (Sized_relobj::Compute_final_local_value_status): New enum type.
3566         (Sized_relobj::compute_final_local_value): New methods.
3567         (Sized_relobj::compute_final_local_value_internal): New methods.
3568         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3569         and arm_cortex_a8.sh.
3570         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3571         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3572         New tests.
3573         * Makefile.in: Regenerate.
3574         * testsuite/arm_bl_out_of_range.s: Update test.
3575         * testsuite/thumb_bl_out_of_range.s: Ditto.
3576         * testsuite/thumb_blx_out_of_range.s: Ditto.
3577         * testsuite/arm_branch_out_of_range.sh: New file.
3578         * testsuite/arm_cortex_a8.sh: Ditto.
3579         * testsuite/arm_cortex_a8_b.s: Ditto.
3580         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3581         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3582         * testsuite/arm_cortex_a8_bl.s: Ditto.
3583         * testsuite/arm_cortex_a8_blx.s: Ditto.
3584         * testsuite/arm_cortex_a8_local.s: Ditto.
3585         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3586         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3587
3588 2010-09-08  Rafael Espindola  <espindola@google.com>
3589
3590         * Makefile.am (memory_test.stdout): Run readelf with -W.
3591         * Makefile.in: Regenerate.
3592         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3593         64 bit output.
3594
3595 2010-09-08  Rafael Espindola  <espindola@google.com>
3596
3597         * script-sections.cc (Script_sections::add_memory_region): Convert
3598         field precision to int.
3599         * script.cc (script_set_section_region, script_set_section_region):
3600         Convert field precision to int.
3601
3602 2010-09-08  Rafael Espindola  <espindola@google.com>
3603
3604         * arm.cc (do_finalize_sections): Create the __exidx_start and
3605         __exdix_end symbols even when the section is missing.
3606
3607 2010-09-08  Nick Clifton  <nickc@redhat.com>
3608
3609         * README: Remove claim that MEMORY is not supported.
3610         * expression.cc (script_exp_function_origin)
3611         (script_exp_function_length): Move from here to ...
3612         * script.cc: ... here.
3613         (script_set_section_region, script_add_memory)
3614         (script_parse_memory_attr, script_include_directive): New
3615         functions.
3616         * script-sections.cc
3617         (class Memory_region): New class.
3618         (class Output_section_definition): Add set_memory_region,
3619         set_section_vma, set_section_lma and get_section_name methods.
3620         (class Script_Sections): Add add_memory_region,
3621         find_memory_region, find_memory_region_origin,
3622         find_memory_region_length and set_memory_region methods.
3623         Have set_section_addresses method walk the list of set memory
3624         regions.
3625         Extend the print methos to display memory regions.
3626         * script-sections.h: Add prototypes for new methods.
3627         Add enum for MEMORY region attributes.
3628         * yyscript.y: Add support for parsing MEMORY regions.
3629         * script-c.h: Add prototypes for new functions.
3630         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3631         * testsuite/Makefile.in: Regenerate.
3632         * testsuite/memory_test.sh: New script.
3633         * testsuite/memory_test.s: New assembler source file.
3634         * testsuite/memory_test.t: New linker script.
3635
3636 2010-08-27  Doug Kwan  <dougkwan@google.com>
3637
3638         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3639         reference override an existing dynamic weak reference.
3640         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3641         * testsuite/Makefile.in: Regenerate.
3642         * testsuite/dyn_weak_ref.sh: New file.
3643         * testsuite/dyn_weak_ref_1.c: Ditto.
3644         * testsuite/dyn_weak_ref_2.c: Ditto.
3645
3646 2010-08-27  Ian Lance Taylor  <iant@google.com>
3647
3648         * incremental.h (class Incremental_input_entry): Add virtual
3649         destructor.
3650
3651 2010-08-27  Ian Lance Taylor  <iant@google.com>
3652
3653         * testsuite/start_lib_test_3.c: Mark t3 as used.
3654
3655 2010-08-27  Nick Clifton  <nickc@redhat.com>
3656
3657         * options.cc (version_script): Fix small typo in previous
3658         whitespace tidyup.
3659
3660 2010-08-25  Nick Clifton  <nickc@redhat.com>
3661
3662         * archive.cc: Formatting fixes: Remove whitespace between
3663         typename and following asterisk.  Remove whitespace between
3664         function name and opening parenthesis.
3665         * archive.h: Likewise.
3666         * arm.cc: Likewise.
3667         * attributes.cc: Likewise.
3668         * attributes.h: Likewise.
3669         * common.cc: Likewise.
3670         * copy-relocs.cc: Likewise.
3671         * dirsearch.h: Likewise.
3672         * dynobj.cc: Likewise.
3673         * ehframe.cc: Likewise.
3674         * ehframe.h: Likewise.
3675         * expression.cc: Likewise.
3676         * fileread.cc: Likewise.
3677         * fileread.h: Likewise.
3678         * gc.h: Likewise.
3679         * gold-threads.cc: Likewise.
3680         * gold.cc: Likewise.
3681         * i386.cc: Likewise.
3682         * icf.h: Likewise.
3683         * incremental-dump.cc: Likewise.
3684         * incremental.cc: Likewise.
3685         * layout.cc: Likewise.
3686         * layout.h: Likewise.
3687         * main.cc: Likewise.
3688         * merge.cc: Likewise.
3689         * merge.h: Likewise.
3690         * object.cc: Likewise.
3691         * object.h: Likewise.
3692         * options.cc: Likewise.
3693         * options.h: Likewise.
3694         * output.cc: Likewise.
3695         * output.h: Likewise.
3696         * plugin.cc: Likewise.
3697         * plugin.h: Likewise.
3698         * powerpc.cc: Likewise.
3699         * reloc.cc: Likewise.
3700         * script-c.h: Likewise.
3701         * script-sections.cc: Likewise.
3702         * script.cc: Likewise.
3703         * stringpool.cc: Likewise.
3704         * symtab.cc: Likewise.
3705         * symtab.h: Likewise.
3706         * target.cc: Likewise.
3707         * timer.cc: Likewise.
3708         * timer.h: Likewise.
3709         * version.cc: Likewise.
3710         * x86_64.cc: Likewise.
3711
3712 2010-08-24  Nick Clifton  <nickc@redhat.com>
3713
3714         PR 11899
3715         * layout.cc (segment_precedes): Sort segments by their physical
3716         addresses, if they have been set.
3717
3718 2010-08-23  Cary Coutant  <ccoutant@google.com>
3719
3720         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3721         symbols data.
3722         (Lib_group::include_member): Unlock object after deleting its
3723         symbols data.
3724         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3725         the bug fixed here.
3726
3727 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3728             Cary Coutant  <ccoutant@google.com>
3729
3730         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3731         constructor, and set_blocker.
3732         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3733         readsyms_blocker_.
3734         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3735         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3736         * testsuite/Makefile.am (start_lib_test): New test case.
3737         * testsuite/Makefile.in: Regenerate.
3738         * testsuite/start_lib_test_main.c: New file.
3739         * testsuite/start_lib_test_1.c: New file.
3740         * testsuite/start_lib_test_2.c: New file.
3741         * testsuite/start_lib_test_3.c: New file.
3742
3743 2010-08-19  Ian Lance Taylor  <iant@google.com>
3744
3745         * Makefile.in: Rebuild with automake 1.11.1.
3746         * aclocal.m4: Likewise.
3747         * testsuite/Makefile.in: Likewise.
3748
3749 2010-08-19  Ian Lance Taylor  <iant@google.com>
3750
3751         PR 10893
3752         * i386.cc (class Output_data_plt_i386): Update declarations.
3753         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3754         local_ifuncs_ fields.
3755         (Target_i386::do_plt_section_for_global): New function.
3756         (Target_i386::do_plt_section_for_local): New function.
3757         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3758         parameter; change all callers.  Initialize global_ifuncs_ and
3759         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3760         __rel_iplt_end.
3761         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3762         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3763         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3764         symbols.
3765         (Target_i386::make_plt_section): New function, broken out of
3766         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3767         (Target_i386::make_plt_entry): Call make_plt_section.
3768         (Target_i386::make_local_ifunc_plt_entry): New function.
3769         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3770         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3771         R_386_IRELATIVE to switch.
3772         (Target_i386::Scan::global): Likewise.
3773         (Target_i386::Relocate::relocate): Likewise.
3774         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3775         switch.
3776         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3777         (Target_x86_64::do_plt_section_for_global): New function.
3778         (Target_x86_64::do_plt_section_for_local): New function.
3779         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3780         parameter; change all callers.  If doing a static link define
3781         __rela_iplt_start and __rela_iplt_end.
3782         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3783         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3784         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3785         to point to .plt.
3786         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3787         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3788         switch.
3789         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3790         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3791         R_X86_64_IRELATIVE to switch.
3792         (Target_x86_64::Scan::global): Likewise.
3793         (Target_x86_64::Relocate::relocate): Likewise.
3794         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3795         switch.
3796         * target.h (class Target): Add plt_section_for_global and
3797         plt_section_for_local functions.  Add do_plt_section_for_global
3798         and do_plt_section_for_local virtual functions.
3799         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3800         clarifying comments.
3801         (Symbol::use_plt_offset): Handle IFUNC symbol.
3802         * object.cc (Sized_relobj::Sized_relobj): Initialize
3803         local_plt_offsets_.
3804         (Sized_relobj::local_has_plt_offset): New function.
3805         (Sized_relobj::local_plt_offset): New function.
3806         (Sized_relobj::set_local_plt_offset): New function.
3807         (Sized_relobj::do_count): Handle IFUNC symbol.
3808         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3809         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3810         is_ifunc_symbol functions.
3811         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3812         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3813         local_plt_offsets_ field.
3814         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3815         * output.h (class Output_section_data): Add non-const
3816         output_section function.
3817         (class Output_data_got): Update declarations.
3818         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3819         Add use_plt_offset parameter to global and local constructors.
3820         Change all callers.  Change local_sym_index_ field to 31 bits.
3821         Change GSYM_CODE and CONSTANT_CODE accordingly.
3822         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3823         doing a static link don't set sh_link field.
3824         (Output_data_got::Got_entry::write): Use PLT offset if
3825         appropriate.
3826         (Output_data_got::add_global_plt): New function.
3827         (Output_data_got::add_local_plt): New function.
3828         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3829         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3830         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3831         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3832         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3833         IFUNC conditional.
3834         * testsuite/ifunc-sel.h: New file.
3835         * testsuite/ifuncmain1.c: New file.
3836         * testsuite/ifuncmain1vis.c: New file.
3837         * testsuite/ifuncmod1.c: New file.
3838         * testsuite/ifuncdep2.c: New file.
3839         * testsuite/ifuncmain2.c: New file.
3840         * testsuite/ifuncmain3.c: New file.
3841         * testsuite/ifuncmod3.c: New file.
3842         * testsuite/ifuncmain4.c: New file.
3843         * testsuite/ifuncmain5.c: New file.
3844         * testsuite/ifuncmod5.c: New file.
3845         * testsuite/ifuncmain6pie.c: New file.
3846         * testsuite/ifuncmod6.c: New file.
3847         * testsuite/ifuncmain7.c: New file.
3848         * configure, testsuite/Makefile.in: Rebuild.
3849
3850 2010-08-18  Ian Lance Taylor  <iant@google.com>
3851
3852         * incremental.cc
3853         (Output_section_incremental_inputs::write_input_files): Add cast
3854         to avoid signed/unsigned comparison warning.
3855         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3856
3857 2010-08-12  Cary Coutant  <ccoutant@google.com>
3858
3859         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3860
3861 2010-08-13  Ian Lance Taylor  <iant@google.com>
3862
3863         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3864
3865 2010-08-12  Cary Coutant  <ccoutant@google.com>
3866             Doug Kwan  <dougkwan@google.com>
3867
3868         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3869         defintion overrides non-weak undef, remember that the original undef
3870         is not weak.
3871         * symtab.cc (Symbol_table::sized_write_global): For undef without
3872         an original weak binding, set binding to global in output.
3873         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3874         * testsuite/Makefile.in: Regenerate.
3875         * testsuite/strong_ref_weak_def.sh: New file.
3876         * testsuite/strong_ref_weak_def_1.c: Ditto.
3877         * testsuite/strong_ref_weak_def_2.c: Ditto.
3878
3879 2010-08-12  Cary Coutant  <ccoutant@google.com>
3880
3881         * testsuite/incremental_test.sh: Rewrite.
3882         * testsuite/incremental_test_1.c: Rewrite.
3883         * testsuite/incremental_test_2.c: Rewrite.
3884
3885 2010-08-12  Cary Coutant  <ccoutant@google.com>
3886
3887         * arm.cc (Target_arm::got_size): Add const.
3888         (Target_arm::got_entry_count): New function.
3889         (Target_arm::plt_entry_count): New function.
3890         (Target_arm::first_plt_entry_offset): New function.
3891         (Target_arm::plt_entry_size): New function.
3892         (Output_data_plt_arm::entry_count): New function.
3893         (Output_data_plt_arm::first_plt_entry_offset): New function.
3894         (Output_data_plt_arm::get_plt_entry_size): New function.
3895         * i386.cc (Target_i386::got_size): Add const.
3896         (Target_i386::got_entry_count): New function.
3897         (Target_i386::plt_entry_count): New function.
3898         (Target_i386::first_plt_entry_offset): New function.
3899         (Target_i386::plt_entry_size): New function.
3900         (Output_data_plt_i386::entry_count): New function.
3901         (Output_data_plt_i386::first_plt_entry_offset): New function.
3902         (Output_data_plt_i386::get_plt_entry_size): New function.
3903         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3904         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3905         * incremental.cc: Include target.h.
3906         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3907         parameter.  Adjust all callers.  Find incremental_got_plt section.
3908         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3909         section.
3910         (Output_section_incremental_inputs::set_final_data_size): Calculate
3911         size of incremental_got_plt section.
3912         (Output_section_incremental_inputs::do_write): Write the
3913         incremental_got_plt section.
3914         (Got_plt_view_info): New struct.
3915         (Local_got_offset_visitor): New class.
3916         (Global_got_offset_visitor): New class.
3917         (Global_symbol_visitor_got_plt): New class.
3918         (Output_section_incremental_inputs::write_got_plt): New function.
3919         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3920         Add parameter.  Adjust all callers.
3921         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3922         (Incremental_inputs::got_plt_section): New function.
3923         (Incremental_inputs::got_plt_section_): New data member.
3924         (Incremental_got_plt_reader): New class.
3925         * layout.cc (Layout::create_incremental_info_sections): Add the
3926         incremental_got_plt section.
3927         * object.h (Got_offset_list::get_list): New function.
3928         (Got offset_list::for_all_got_offsets): New function.
3929         (Sized_relobj::local_got_offset_list): New function.
3930         * powerpc.cc (Target_powerpc::got_size): Add const.
3931         (Target_powerpc::got_entry_count): New function.
3932         (Target_powerpc::plt_entry_count): New function.
3933         (Target_powerpc::first_plt_entry_offset): New function.
3934         (Target_powerpc::plt_entry_size): New function.
3935         (Output_data_plt_powerpc::entry_count): New function.
3936         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3937         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3938         * sparc.cc (Target_sparc::got_size): Add const.
3939         (Target_sparc::got_entry_count): New function.
3940         (Target_sparc::plt_entry_count): New function.
3941         (Target_sparc::first_plt_entry_offset): New function.
3942         (Target_sparc::plt_entry_size): New function.
3943         (Output_data_plt_sparc::entry_count): New function.
3944         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3945         (Output_data_plt_sparc::get_plt_entry_size): New function.
3946         * symtab.h (Symbol::got_offset_list): New function.
3947         (Symbol_table::for_all_symbols): New function.
3948         * target.h (Sized_target::got_entry_count): New function.
3949         (Sized_target::plt_entry_count): New function.
3950         (Sized_target::plt_entry_size): New function.
3951         * x86_64.cc (Target_x86_64::got_size): Add const.
3952         (Target_x86_64::got_entry_count): New function.
3953         (Target_x86_64::plt_entry_count): New function.
3954         (Target_x86_64::first_plt_entry_offset): New function.
3955         (Target_x86_64::plt_entry_size): New function.
3956         (Output_data_plt_x86_64::entry_count): New function.
3957         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3958         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3959
3960 2010-08-12  Cary Coutant  <ccoutant@google.com>
3961
3962         * archive.cc: Include incremental.h.
3963         (Archive::Archive): Initialize incremental_info_.
3964         (Archive::include_member): Record archive members in incremental info.
3965         (Add_archive_symbols::run): Record begin and end of an archive in
3966         incremental info.
3967         (Lib_group::include_member): Record objects in incremental info.
3968         * archive.h (Incremental_archive_entry): Forward declaration.
3969         (Archive::set_incremental_info): New member function.
3970         (Archive::incremental_info): New member function.
3971         (Archive::Unused_symbol_iterator): New class.
3972         (Archive::unused_symbols_begin): New member function.
3973         (Archive::unused_symbols_end): New member function.
3974         (Archive::incremental_info_): New data member.
3975         * incremental-dump.cc (find_input_containing_global): New function.
3976         (dump_incremental_inputs): Dump new incremental info sections.
3977         * incremental.cc: Include symtab.h.
3978         (Output_section_incremental_inputs): New class.
3979         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3980         new incremental info sections.
3981         (Sized_incremental_binary::do_check_inputs): Likewise.
3982         (Incremental_inputs::report_archive): Remove.
3983         (Incremental_inputs::report_archive_begin): New function.
3984         (Incremental_inputs::report_archive_end): New function.
3985         (Incremental_inputs::report_object): New function.
3986         (Incremental_inputs::finalize_inputs): Remove.
3987         (Incremental_inputs::report_input_section): New function.
3988         (Incremental_inputs::report_script): Rewrite.
3989         (Incremental_inputs::finalize): Do nothing but finalize string table.
3990         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3991         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3992         (Incremental_inputs::create_data_sections): New function.
3993         (Incremental_inputs::relocs_entsize): New function.
3994         (Output_section_incremental_inputs::set_final_data_size): New function.
3995         (Output_section_incremental_inputs::do_write): New function.
3996         (Output_section_incremental_inputs::write_header): New function.
3997         (Output_section_incremental_inputs::write_input_files): New function.
3998         (Output_section_incremental_inputs::write_info_blocks): New function.
3999         (Output_section_incremental_inputs::write_symtab): New function.
4000         * incremental.h (Incremental_script_entry): Forward declaration.
4001         (Incremental_object_entry): Forward declaration.
4002         (Incremental_archive_entry): Forward declaration.
4003         (Incremental_inputs): Forward declaration.
4004         (Incremental_inputs_header_data): Remove.
4005         (Incremental_inputs_header): Remove.
4006         (Incremental_inputs_header_write): Remove.
4007         (Incremental_inputs_entry_data): Remove.
4008         (Incremental_inputs_entry): Remove.
4009         (Incremental_inputs_entry_write): Remove.
4010         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
4011         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
4012         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4013         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
4014         Likewise.
4015         (Incremental_input_entry): New class.
4016         (Incremental_script_entry): New class.
4017         (Incremental_object_entry): New class.
4018         (Incremental_archive_entry): New class.
4019         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4020         (Incremental_inputs::report_inputs): Remove.
4021         (Incremental_inputs::report_archive): Remove.
4022         (Incremental_inputs::report_archive_begin): New function.
4023         (Incremental_inputs::report_archive_end): New function.
4024         (Incremental_inputs::report_object): Change prototype.
4025         (Incremental_inputs::report_input_section): New function.
4026         (Incremental_inputs::report_script): Change prototype.
4027         (Incremental_inputs::get_reloc_count): New function.
4028         (Incremental_inputs::set_reloc_count): New function.
4029         (Incremental_inputs::create_data_sections): New function.
4030         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4031         (Incremental_inputs::inputs_section): New function.
4032         (Incremental_inputs::symtab_section): New function.
4033         (Incremental_inputs::relocs_section): New function.
4034         (Incremental_inputs::get_stringpool): Add const.
4035         (Incremental_inputs::command_line): Add const.
4036         (Incremental_inputs::inputs): Remove.
4037         (Incremental_inputs::command_line_key): New function.
4038         (Incremental_inputs::input_file_count): New function.
4039         (Incremental_inputs::input_files): New function.
4040         (Incremental_inputs::relocs_entsize): New function.
4041         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4042         (Incremental_inputs::finalize_inputs): Remove.
4043         (Incremental_inputs::Input_info): Remove.
4044         (Incremental_inputs::lock_): Remove.
4045         (Incremental_inputs::inputs_): Change type.
4046         (Incremental_inputs::inputs_map_): Remove.
4047         (Incremental_inputs::current_object_entry_): New data member.
4048         (Incremental_inputs::inputs_section_): New data member.
4049         (Incremental_inputs::symtab_section_): New data member.
4050         (Incremental_inputs::relocs_section_): New data member.
4051         (Incremental_inputs::reloc_count_): New data member.
4052         (Incremental_inputs_reader): New class.
4053         (Incremental_symtab_reader): New class.
4054         (Incremental_relocs_reader): New class.
4055         * layout.cc (Layout::finalize): Move finalization of incremental info
4056         and creation of incremental info sections to follow finalization of
4057         symbol table.  Set offsets for postprocessing sections.
4058         (Layout::create_incremental_info_sections): Call
4059         Incremental_inputs::create_data_sections.  Add incremental symtab
4060         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4061         sections to layout after input sections.
4062         * layout.h (struct Timespec): Forward declaration.
4063         (Layout::incremental_inputs): Add const.
4064         (Layout::create_incremental_info_sections): Add parameter.
4065         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4066         * object.cc: Include incremental.h.
4067         (Relobj::finalize_incremental_relocs): New function.
4068         (Sized_relobj::do_layout): Record input sections in incremental info.
4069         * object.h (Object::output_section): New function.
4070         (Object::output_section_offset): Moved from Relobj.
4071         (Object::get_incremental_reloc_base): New function.
4072         (Object::get_incremental_reloc_count): New function.
4073         (Object::do_output_section): New function.
4074         (Object::do_output_section_offset): Moved from Relobj.
4075         (Object::do_get_incremental_reloc_base): New function.
4076         (Object::do_get_incremental_reloc_count): New function.
4077         (Object::Object): Initialize new data members.
4078         (Relobj::output_section): Renamed do_output_section and moved to
4079         protected.
4080         (Relobj::output_section_offset): Moved to Object.
4081         (Relobj::do_get_incremental_reloc_base): New function.
4082         (Relobj::do_get_incremental_reloc_count): New function.
4083         (Relobj::allocate_incremental_reloc_counts): New function.
4084         (Relobj::count_incremental_reloc): New function.
4085         (Relobj::finalize_incremental_relocs): New function.
4086         (Relobj::next_incremental_reloc_index): New function.
4087         (Relobj::reloc_counts_): New data member.
4088         (Relobj::reloc_bases_): New data member.
4089         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4090         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4091         (Sized_relobj::incremental_relocs_scan): New function.
4092         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4093         (Sized_relobj::incremental_relocs_write): New function.
4094         (Sized_relobj::incremental_relocs_write_reltype): New function.
4095         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4096         incremental link.
4097         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4098         archives and object files elsewhere.
4099         (Add_symbols::run): Report object files here.
4100         (Finish_group::run): Report end of archive at end of group.
4101         * reloc.cc: Include layout.h, incremental.h.
4102         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4103         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4104         (Sized_relobj::incremental_relocs_scan): New function.
4105         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4106         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4107         (Sized_relobj::incremental_relocs_write): New function.
4108         (Sized_relobj::incremental_relocs_write_reltype): New function.
4109         * script.cc (read_input_script): Rewrite test for incremental link.
4110         Change call to Incremental_inputs::report_script.
4111         * symtab.h (Symbol_table::first_global_index): New function.
4112         (Symbol_table::output_count): New function.
4113
4114 2010-08-12  Doug Kwan  <dougkwan@google.com>
4115
4116         * arm.cc (Target_arm::merge_object_attributes): Check command line
4117         options --no-wchar-size-warning and --no-enum-size-warning.
4118         * options.h (General_options): Add ld-compatible options
4119         --no-enum-size-warning and --no-wchar-size-warning.
4120
4121 2010-08-04  Ian Lance Taylor  <iant@google.com>
4122
4123         * x86_64.cc (Target_x86_64::Scan::local): Use
4124         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4125         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4126         (Target_x86_64::Scan::global): Likewise.
4127         (Target_x86_64::Relocate::relocate): Likewise.
4128         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4129         Likewise.
4130
4131 2010-08-03  Cary Coutant  <ccoutant@google.com>
4132
4133         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4134         to reserve space in merged_strings vector. Keep total input size
4135         for stats.
4136         (Output_merge_string::do_print_merge_stats): Print total input size.
4137         * merge.h (Output_merge_string): Add input_size_ field.
4138         * stringpool.cc (Stringpool_template::string_length): Move
4139         implementations out of Stringpool_template class and place in
4140         stringpool.h.
4141         * stringpool.h (string_length): Move out of Stringpool_template.
4142
4143 2010-08-03  Ian Lance Taylor  <iant@google.com>
4144
4145         PR 11712
4146         * layout.cc (relaxation_loop_body): If address of load segment is
4147         set, adjust address to include headers if possible.
4148
4149 2010-08-03  Ian Lance Taylor  <iant@google.com>
4150
4151         * version.cc (version_string): Bump to 1.10.
4152
4153 2010-08-03  Ian Lance Taylor  <iant@google.com>
4154
4155         PR 11805
4156         * layout.h (enum Output_section_order): Define.
4157         (class Layout): Update declarations.
4158         * layout.cc (Layout::get_output_section): Add order parameter.
4159         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4160         is_first_non_relro parameters.  Change all callers.
4161         (Layout::choose_output_section): Likewise.
4162         (Layout::add_output_section_data): Likewise.
4163         (Layout::make_output_section): Likewise.  Set order.
4164         (Layout::default_section_order): New function.
4165         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4166         * output.cc (Output_section::Output_section): Initialize order_.
4167         Don't initialize deleted fields.
4168         (Output_segment::Output_segment): Don't initialize deleted
4169         fields.
4170         (Output_segment::add_output_section_to_load): New function
4171         replacing add_output_section.  Change all callers to call this or
4172         add_output_section_to_nonload.
4173         (Output_segment::add_output_section_to_nonload): New function.
4174         (Output_segment::remove_output_section): Rewrite.
4175         (Output_segment::add_initial_output_data): Likewise.
4176         (Output_segment::has_any_data_sections): Likewise.
4177         (Output_segment::is_first_section_relro): Likewise.
4178         (Output_segment::maximum_alignment): Likewise.
4179         (Output_segment::has_dynamic_reloc): New function replacing
4180         dynamic_reloc_count.  Change all callers.
4181         (Output_segment::has_dynamic_reloc_list): New function replacing
4182         dynamic_reloc_count_list.  Change all callers.
4183         (Output_segment::set_section_addresses): Rewrite.
4184         (Output_segment::set_offset): Rewrite.
4185         (Output_segment::find_first_and_last_list): Remove.
4186         (Output_segment::set_tls_offsets): Rewrite.
4187         (Output_segment::first_section_load_address): Likewise.
4188         (Output_segment::output_section_count): Likewise.
4189         (Output_segment::section_with_lowest_load_address): Likewise.
4190         (Output_segment::write_section_headers): Likewise.
4191         (Output_segment::print_sections_to_map): Likewise.
4192         * output.h (class Output_data): Remove dynamic_reloc_count_
4193         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4194         (Output_data::add_dynamic_reloc): Rewrite.
4195         (Output_data::has_dynamic_reloc): New function.
4196         (Output_data::dynamic_reloc_count): Remove.
4197         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4198         is_last_relro_, is_first_non_relro_, is_interp_,
4199         is_dynamic_linker_section_ fields.  Add order and set_order
4200         functions.  Remove is_relro_local, set_is_relro_local,
4201         is_last_relro, set_is_last_relro, is_first_non_relro,
4202         set_is_first_non_relro functions, is_interp, set_is_interp,
4203         is_dynamic_linker_section, and set_is_dynamic_linker_section
4204         functions.
4205         (class Output_segment): Change Output_data_list from std::list to
4206         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4207         output_bss_ fields.  Update declarations.
4208
4209 2010-08-02  Ian Lance Taylor  <iant@google.com>
4210
4211         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4212         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4213         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4214
4215 2010-08-02  Ian Lance Taylor  <iant@google.com>
4216
4217         PR 11855
4218         * script.cc (Script_options::Script_options): Initialize
4219         symbol_definitions_ and symbol_references_.
4220         (Script_options::add_symbol_assignment): Update
4221         symbol_definitions_ and symbol_references_.
4222         (Script_options::add_symbol_reference): New function.
4223         (script_symbol): New function.
4224         * script.h (class Script_options): Add symbol_definitions_ and
4225         symbol_references_ fields.
4226         (Script_options::referenced_const_iterator): New type.
4227         (Script_options::referenced_begin): New function.
4228         (Script_options::referenced_end): New function.
4229         (Script_options::is_referenced): New function.
4230         (Script_options::any_unreferenced): New function.
4231         * script-c.h (script_symbol): Declare.
4232         * yyscript.y (exp): Call script_symbol.
4233         * symtab.cc: Include "script.h".
4234         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4235         Change all callers.  Check symbols referenced by scripts.
4236         (Symbol_table::add_undefined_symbols_from_command_line): Add
4237         layout parameter.  Change all callers.
4238         (Symbol_table::do_add_undefined_symbols_from_command_line):
4239         Likewise.  Break out loop body.  Check symbols referenced by
4240         scripts.
4241         (Symbol_table::add_undefined_symbol_from_command_line): New
4242         function broken out of
4243         do_add_undefined_symbols_from_command_line.
4244         * symtab.h (class Symbol_table): Update declarations.
4245         * archive.cc: Include "layout.h".
4246         (Archive::should_include_member): Add layout parameter.  Change
4247         all callers.  Check for symbol mentioned in expression.
4248         * archive.h (class Archive): Update declaration.
4249         * object.cc (Sized_relobj::do_should_include_member): Add layout
4250         parameter.
4251         * object.h (Object::should_include_member): Add layout parameter.
4252         Change all callers.
4253         (Object::do_should_include_member): Add layout parameter.
4254         (class Sized_relobj): Update declaration.
4255         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4256         parameter.
4257         * dynobj.h (class Sized_dynobj): Update declaration.
4258         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4259         layout parameter.
4260         * plugin.h (class Sized_pluginobj): Update declaration.
4261
4262 2010-08-02  Ian Lance Taylor  <iant@google.com>
4263
4264         PR 11866
4265         * output.cc (Output_segment::set_offset): Search for the first and
4266         last sections rather than assuming that the list is in order.
4267         (Output_segment::find_first_and_last_list): New function.
4268         * output.h (class Output_segment): Update declarations.
4269         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4270         (relro_strip_test_SOURCES): New variable.
4271         (relro_strip_test_DEPENDENCIES): New variable.
4272         (relro_strip_test_LDFLAGS): New variable.
4273         (relro_strip_test_LDADD): New variable.
4274         (relro_strip_test.so): New target.
4275
4276 2010-08-02  Ian Lance Taylor  <iant@google.com>
4277
4278         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4279         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4280         (Target_i386::got_tlsdesc_section): New function.
4281         (Target_i386::got_section): Create space for GOT entries for
4282         TLSDESC relocations.
4283         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4284         R_386_TLS_GOTDESC.
4285         (Target_i386::Scan::global): Likewise.
4286         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4287         using TLSDESC GOT.
4288         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4289         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4290         (Target_x86_64::got_tlsdesc_section): New function.
4291         (Target_x86_64::got_section): Create space for GOT entries for
4292         TLSDESC relocations.
4293         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4294         R_386_TLS_GOTDESC.
4295         (Target_x86_64::Scan::global): Likewise.
4296         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4297         using TLSDESC GOT.
4298
4299 2010-08-02  Ian Lance Taylor  <iant@google.com>
4300
4301         * testsuite/final_layout.sh: Use dc to convert from hex to
4302         decimal.
4303
4304 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4305
4306         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4307         paramter to the call to gold::gc_process_relocs.
4308         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4309         paramter to the call to gold::gc_process_relocs.
4310         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4311         parameter to the call to gold::gc_process_relocs.
4312         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4313         template parameter to the call to gold::gc_process_relocs.
4314         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4315         paramter to the call to gold::gc_process_relocs.
4316         * gc.h (get_embedded_addend_size): New function.
4317         (gc_process_relocs): Save the size of the reloc for use by ICF.
4318         * icf.cc (get_section_contents): Get the addend from the text section
4319         for SHT_REL relocation sections.
4320         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4321         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4322         * int_encoding.h (read_from_pointer): New overloaded function.
4323         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4324         * testsuite/icf_sht_rel_addend_test.sh: New file.
4325         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4326         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4327
4328 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4329
4330         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4331         * Makefile.in: Regenerate.
4332         * testsuite/Makefile.in: Regenerate.
4333
4334 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4335
4336         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4337         * gold/testsuite/debug_msg.cc: Likewise.
4338         * gold/testsuite/odr_violation1.cc
4339         * gold/testsuite/odr_violation2.cc
4340
4341 2010-07-21  Cary Coutant  <ccoutant@google.com>
4342
4343         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4344         string, and length fields.
4345         (Output_merge_string::Merged_strings_list): New type.
4346         (Output_merge_string::Merged_strings_lists): New typedef.
4347         (Output_merge_string): Replace merged_strings_ with
4348         merged_strings_lists_.
4349         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4350         Merged_strings_list per input object and section.  Don't store pointer
4351         to the string.  Don't store length with each merged string entry.
4352         (Output_merge_string::finalize_merged_data): Loop over list of merged
4353         strings lists.  Recompute length of each merged string.
4354
4355 2010-07-15  Cary Coutant  <ccoutant@google.com>
4356
4357         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4358         here.
4359
4360 2010-07-14  Ian Lance Taylor  <iant@google.com>
4361
4362         * descriptors.cc (Descriptors::open): Report correct name in error
4363         message.
4364
4365 2010-07-13  Doug Kwan  <dougkwan@google.com>
4366
4367         * arm.cc (Arm_input_section::Arm_input_section): For a
4368         SHT_ARM_EXIDX section, always keeps the input sections.
4369         (Arm_input_section::set_exidx_section_link): New method.
4370         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4371         has_errors_ to false.
4372         (Arm_exidx_input_section::has_errors,
4373         Arm_exidx_input_section::set_has_errors): New methods.
4374         (Arm_exidx_input_section::has_errors_): New data member.
4375         (Arm_relobj::get_exidx_shndx_list): New method.
4376         (Arm_output_section::append_text_sections_to_list): Do not skip
4377         section without SHF_EXECINSTR.
4378         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4379         errors.
4380         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4381         section header.  Make error messages more verbose.  Check for
4382         a non-executable section linked to an EXIDX section.
4383         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4384         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4385         check that there is no deferred EXIDX section if we exit early.
4386         Instead of not making an EXIDX section in case of an error, make one
4387         and set the has_errors flag of it.
4388         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4389         in a relocatable link.
4390         (Target_arm::do_relax): Look for the EXIDX output section instead of
4391         assuming that it is called .ARM.exidx.
4392         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4393         section list.  Do not check for SHF_EXECINSTR section flags but
4394         skip any input section with errors.
4395         * output.cc (Output_section::Output_section): Initialize
4396         always_keeps_input_sections_ to false.
4397         (Output_section::add_input_section): Check for
4398         always_keeps_input_sections_.
4399         *  output.h (Output_section::always_keeps_input_sections,
4400         Output_section::set_always_keeps_input_sections): New methods.
4401         (Output_section::always_keeps_input_sections): New data member.
4402
4403 2010-07-13  Rafael Espindola  <espindola@google.com>
4404
4405         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4406         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4407
4408 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4409             Ian Lance Taylor  <iant@google.com>
4410
4411         * output.h (Output_section_lookup_maps::add_merge_section):
4412         Correct check of whether value was inserted.
4413         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4414         (Output_section_lookup_maps::add_relaxed_input_section):
4415         Likewise.
4416         * arm.cc (Target_arm::got_section): Remove used local os.
4417         * i386.cc (Target_i386::got_section): Likewise.
4418         * x86_64.cc (Target_x86_64::got_section): Likewise.
4419         * sparc.cc (Target_sparc::got_section): Likewise.
4420         (Target_sparc::relocate): Remove unused local have_got_offset.
4421         * powerpc.cc (Target_powerpc::relocate): Likewise.
4422
4423 2010-07-13  Ian Lance Taylor  <iant@google.com>
4424
4425         * compressed_output.cc (zlib_decompress): Fix signature in
4426         !HAVE_ZLIB_H case.
4427
4428         * archive.cc (Archive::include_member): Unlock an external member
4429         of a thin archive.  Don't bother to delete an object we know is
4430         NULL.
4431
4432 2010-07-12  Cary Coutant  <ccoutant@google.com>
4433
4434         * compressed_output.cc (zlib_decompress): New function.
4435         (get_uncompressed_size): New function.
4436         (decompress_input_section): New function.
4437         * compressed_output.h (get_uncompressed_size): New function.
4438         (decompress_input_section): New function.
4439         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4440         Handle compressed debug sections.
4441         * layout.cc (is_compressed_debug_section): New function.
4442         (Layout::output_section_name): Map compressed section names to
4443         canonical names.
4444         * layout.h (is_compressed_debug_section): New function.
4445         (is_debug_info_section): Recognize compressed debug sections.
4446         * merge.cc: Include compressed_output.h.
4447         (Output_merge_data::do_add_input_section): Handle compressed
4448         debug sections.
4449         (Output_merge_string::do_add_input_section): Handle compressed
4450         debug sections.
4451         * object.cc: Include compressed_output.h.
4452         (Sized_relobj::Sized_relobj): Initialize new data members.
4453         (build_compressed_section_map): New function.
4454         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4455         * object.h (Object::section_is_compressed): New method.
4456         (Object::do_section_is_compressed): New method.
4457         (Sized_relobj::Compressed_section_map): New type.
4458         (Sized_relobj::do_section_is_compressed): New method.
4459         (Sized_relobj::compressed_sections_): New data member.
4460         * output.cc (Output_section::add_input_section): Handle compressed
4461         debug sections.
4462         * reloc.cc: Include compressed_output.h.
4463         (Sized_relobj::write_sections): Handle compressed debug sections.
4464
4465 2010-07-08  Cary Coutant  <ccoutant@google.com>
4466
4467         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4468         weak when resolving to a dynamic def.
4469         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4470         for weak undef/dynamic def cases. Adjust callers.
4471         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4472         undef_binding_weak_.
4473         (Symbol_table::sized_write_globals): Adjust symbol binding.
4474         (Symbol_table::sized_write_symbol): Add binding parameter.
4475         * symtab.h (Symbol::set_undef_binding): New method.
4476         (Symbol::is_undef_binding_weak): New method.
4477         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4478         (Symbol_table::should_override): Add new parameter.
4479         (Symbol_table::sized_write_symbol): Add new parameter.
4480
4481         * testsuite/weak_undef_file1.cc: Add new test case.
4482         * testsuite/weak_undef_file2.cc: Fix header comment.
4483         * testsuite/weak_undef_test.cc: Add new test case.
4484
4485 2010-06-29  Doug Kwan  <dougkwan@google.com>
4486
4487         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4488         Initialize USE_SYMBOL_.
4489         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4490         definition.
4491         (Arm_reloc_property::uses_symbol_): New data member declaration.
4492         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4493         uses symbol value and symbol is undefined but not weakly undefined.
4494
4495 2010-06-28  Rafael Espindola  <espindola@google.com>
4496
4497         * plugin.cc (Plugin::load): Use dlerror.
4498
4499 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4500
4501         * symtab.cc (detect_odr_violations): When reporting an ODR
4502         violation, report an object where the symbol is defined.
4503
4504 2010-06-25  Doug Kwan  <dougkwan@google.com>
4505
4506         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4507         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4508         definition.
4509         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4510         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4511         target hook to detect function points.
4512         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4513         * icf.h (Icf::check_section_for_function_pointers): Change type of
4514         parameter SECTION_NAME to const reference to std::string.  Use
4515         target hook to determine if section may have unsafe pointers.
4516         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4517         method definition.
4518
4519 2010-06-21  Rafael Espindola  <espindola@google.com>
4520
4521         * fileread.cc (Input_file::find_fie): New
4522         (Input_file::open): Use Input_file::find_fie.
4523         * fileread.h (Input_file::find_fie): New
4524         * plugin.cc (set_extra_library_path): New.
4525         (Plugin::load): Add set_extra_library_path to the transfer vector.
4526         (Plugin_manager::set_extra_library_path): New.
4527         (Plugin_manager::add_input_file): Use the extra search path if set.
4528         (set_extra_library_path(): New.
4529         * plugin.h (Plugin_manager): Add set_extra_library_path and
4530         extra_search_path_.
4531
4532 2010-06-19  Cary Coutant  <ccoutant@google.com>
4533
4534         * layout.cc (gdb_sections): Add .debug_types.
4535         (lines_only_debug_sections): Likewise.
4536
4537 2010-06-18  Rafael Espindola  <espindola@google.com>
4538
4539         * plugin.cc (add_input_file,add_input_library)
4540         (Plugin_manager::add_input_file): Make filename arguments const.
4541         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4542         const.
4543
4544 2010-06-16  Doug Kwan  <dougkwan@google.com>
4545
4546         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4547         .ARM.attributes section if we have not merged any input
4548         attributes sections.
4549
4550 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4551
4552         * arm.cc: Allow combining objects with no EABI version
4553         information.
4554
4555 2010-06-15  Rafael Espindola  <espindola@google.com>
4556
4557         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4558
4559 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4560
4561         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4562         (struct iovec): Correct !HAVE_READV definition.
4563
4564 2010-06-10  Cary Coutant  <ccoutant@google.com>
4565
4566         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4567         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4568         reloc sections.
4569         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4570
4571         PR 11683
4572         * symtab.h (Symbol::is_placeholder): New member function.
4573         * target-reloc.h (relocate_section): Check for placeholder symbols.
4574
4575         * testsuite/Makefile.am (plugin_test_8): New test.
4576         (plugin_test_9): New test.
4577         * testsuite/Makefile.in: Regenerate.
4578
4579 2010-06-09  Nick Clifton  <nickc@redhat.com>
4580
4581         * yyscript.y (input_list_element): Allow strings prefixed with
4582         the '-' character.  Treat these as libraries.
4583         * script.cc (script_add_library): New function.  Adds a library
4584         specified by "-l<name>" found in an input script.
4585         * script-c.h: Add prototype for script_add_library.
4586
4587 2010-06-07  Doug Kwan  <dougkwan@google.com>
4588
4589         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4590         Restrict stub-group size to be within long conditional branch
4591         range when working around cortex-A8 erratum.
4592
4593 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4594
4595         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4596         #ifdef typo.
4597
4598 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4599
4600         PR gold/11658
4601         * output.cc
4602         (Output_section::Input_section_sort_entry::compare_section_ordering):
4603         Change to return non-zero correctly.
4604         (Output_section::Input_section_sort_section_order_index_compare
4605         ::operator()): Change to fix ambiguity in comparisons.
4606
4607 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4608
4609         * gold.h (is_wildcard_string): New function.
4610         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4611         (Layout::layout_eh_frame): Ditto.
4612         (Layout::find_section_order_index): New method.
4613         (Layout::read_layout_from_file): New method.
4614         * layout.h (Layout::find_section_order_index): New method.
4615         (Layout::read_layout_from_file): New method.
4616         (Layout::input_section_position_): New private member.
4617         (Layout::input_section_glob_): New private member.
4618         * main.cc (main): Call read_layout_from_file here.
4619         * options.h (--section-ordering-file): New option.
4620         * output.cc (Output_section::input_section_order_specified_): New
4621         member.
4622         (Output_section::Output_section): Initialize new member.
4623         (Output_section::add_input_section): Add new parameter.
4624         Keep input sections when --section-ordering-file is used.
4625         (Output_section::set_final_data_size): Sort input sections when
4626         section ordering file is specified.
4627         (Output_section::Input_section_sort_entry): Add new parameter.
4628         Check sorting type.
4629         (Output_section::Input_section_sort_entry::compare_section_ordering):
4630         New method.
4631         (Output_section::Input_section_sort_compare::operator()): Change to
4632         consider section_order_index.
4633         (Output_section::Input_section_sort_init_fini_compare::operator()):
4634         Change to consider section_order_index.
4635         (Output_section::Input_section_sort_section_order_index_compare
4636         ::operator()): New method.
4637         (Output_section::sort_attached_input_sections): Change to sort
4638         according to section order when specified.
4639         (Output_section::add_input_section<32, true>): Add new parameter.
4640         (Output_section::add_input_section<64, true>): Add new parameter.
4641         (Output_section::add_input_section<32, false>): Add new parameter.
4642         (Output_section::add_input_section<64, false>): Add new parameter.
4643         * output.h (Output_section::add_input_section): Add new parameter.
4644         (Output_section::input_section_order_specified): New
4645         method.
4646         (Output_section::set_input_section_order_specified): New method.
4647         (Input_section::Input_section): Initialize section_order_index_.
4648         (Input_section::section_order_index): New method.
4649         (Input_section::set_section_order_index): New method.
4650         (Input_section::section_order_index_): New member.
4651         (Input_section::Input_section_sort_section_order_index_compare): New
4652         struct.
4653         (Output_section::input_section_order_specified_): New member.
4654         * script-sections.cc (is_wildcard_string): Delete and move modified
4655         method to gold.h.
4656         (Output_section_element_input::Output_section_element_input): Modify
4657         call to is_wildcard_string.
4658         (Output_section_element_input::Input_section_pattern
4659         ::Input_section_pattern): Ditto.
4660         (Output_section_element_input::Output_section_element_input): Ditto.
4661         * testsuite/Makefile.am (final_layout): New test case.
4662         * testsuite/Makefile.in: Regenerate.
4663         * testsuite/final_layout.cc: New file.
4664         * testsuite/final_layout.sh: New file.
4665
4666 2010-06-01  Rafael Espindola  <espindola@google.com>
4667
4668         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4669
4670 2010-06-01  Rafael Espindola  <espindola@google.com>
4671
4672         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4673         visibility of symbols.
4674
4675 2010-05-27  Doug Kwan  <dougkwan@google.com>
4676
4677         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4678         from start of output section instead of address for a local symbol
4679         in a merged or relaxed section when doing a relocatable link.
4680
4681 2010-05-26  Rafael Espindola  <espindola@google.com>
4682
4683        PR 11604
4684         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4685         adding sections the garbage collector removed.
4686         * gold/testsuite/Makefile.am: Add test.
4687         * gold/testsuite/Makefile.in: Regenerate.
4688         * gold/testsuite/plugin_test_7.sh: New.
4689         * gold/testsuite/plugin_test_7_1.c: New.
4690         * gold/testsuite/plugin_test_7_2.c: New.
4691
4692 2010-05-26  Rafael Espindola  <espindola@google.com>
4693
4694         * script-sections.cc (Output_section_definition::set_section_addresses):
4695         Check for --section-start.
4696
4697 2010-05-26  Doug Kwan  <dougkwan@google.com>
4698
4699         * arm.cc (Arm_scan_relocatable_relocs): New class.
4700         (Target_arm::relocate_special_relocatable): New method.
4701         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4702         (Arm_relocate_functions::thumb_branch_common): Same.
4703         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4704         instead of Default_scan_relocatable_relocs.
4705         * target-reloc.h (relocate_for_relocatable): Let target handle
4706         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4707         * target.h (Sized_target::relocate_special_relocatable): New method.
4708
4709 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4710
4711         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4712
4713 2010-05-23  Doug Kwan  <dougkwan@google.com>
4714
4715         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4716         instead of a cast.
4717         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4718         with a direct branch, not a conditional branch, to a stub.
4719         * merge.cc (Output_merge_base::record_input_section): New method
4720         defintion.
4721         (Output_merge_data::do_add_input_section): Record input section if
4722         keeps-input-sections flag is set.
4723         (Output_merge_string::do_add_input_section): Ditto.
4724         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4725         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4726         INPUT_SECTIONS_.
4727         (Output_merge_base::keeps_input_sections,
4728         Output_merge_base::set_keeps_input_sections,
4729         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4730         method definitions.
4731         (Output_merge_base::Input_sections): New type declaration.
4732         (Output_merge_base::input_sections_begin,
4733         Output_merge_base::input_sections_end,
4734         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4735         (Output_merge_base::bool keeps_input_sections_,
4736         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4737         Output_merge_base::input_sections_): New data members.
4738         (Output_merge_data::do_set_keeps_input_sections): New method
4739         defintion.
4740         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4741         * output.cc (Output_section::Input_section::relobj): Move method
4742         defintion from class declaration to here and handle merge sections.
4743         (Output_section::Input_section::shndx): Ditto.
4744         (Output_section::Output_section): Remove initializations of removed
4745         data members and initialize new data member LOOKUP_MAPS_.
4746         (Output_section::add_input_section): Set keeps-input-sections flag
4747         for a newly created merge output section as appropriate.  Adjust code
4748         to use Output_section_lookup_maps class.
4749         (Output_section::add_relaxed_input_section): Adjst code for lookup
4750         maps code refactoring.
4751         (Output_section::add_merge_input_section): Add a new parameter
4752         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4753         class.  If adding input section to a newly created merge output
4754         section fails, remove the new merge section.
4755         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4756         Adjust code for use of the Output_section_lookup_maps class.
4757         (Output_section::find_merge_section): Ditto.
4758         (Output_section::build_lookup_maps): New method defintion.
4759         (Output_section::find_relaxed_input_section): Adjust code to use
4760         Output_section_lookup_maps class.
4761         (Output_section::get_input_sections): Export merge sections.  Adjust
4762         code to use Output_section_lookup_maps class.
4763         (Output_section:::add_script_input_section): Adjust code to use
4764         Output_section_lookup_maps class.  Update lookup maps for merge
4765         sections also.
4766         (Output_section::discard_states): Use Output_section_lookup_maps.
4767         (Output_section::restore_states): Same.
4768         * output.h (Merge_section_properties): Move class defintion out of
4769         Output_section.
4770         (Output_section_lookup_maps): New class.
4771         (Output_section::Input_section::is_merge_section): New method
4772         defintion.
4773         (Output_section::Input_section::relobj): Move defintion out of class
4774         defintion.  Declare method only.
4775         (Output_section::Input_section::shndx): Ditto.
4776         (Output_section::Input_section::output_merge_base): New method defintion.
4777         (Output_section::Input_section::u2_.pomb): New union field.
4778         (Output_section::Merge_section_by_properties_map,
4779         Output_section::Output_section_data_by_input_section_map,
4780         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4781         Remove types.
4782         (Output_section::add_merge_input_section): Add new parameter
4783         KEEPS_INPUT_SECTIONS.
4784         (Output_section::build_lookup_maps): New method declaration.
4785         (Output_section::merge_section_map_,
4786         Output_section::merge_section_by_properties_map_,
4787         Output_section::relaxed_input_section_map_,
4788         Output_section::is_relaxed_input_section_map_valid_): Remove data
4789         members.
4790         (Output_section::lookup_maps_): New data member.
4791
4792 2010-05-21  Doug Kwan  <dougkwan@google.com>
4793
4794         PR gold/11619
4795         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4796         avoid a compilation error.
4797
4798 2010-05-19  Rafael Espindola  <espindola@google.com>
4799
4800         * script-sections.cc (Output_section_definition::allocate_to_segment):
4801         Update the phdrs_list even when the output section is NULL.
4802         * testsuite/Makefile.am: Add test.
4803         * testsuite/Makefile.in: Regenerate.
4804         * testsuite/script_test_9.cc: New.
4805         * testsuite/script_test_9.sh: New.
4806         * testsuite/script_test_9.t: New.
4807
4808 2010-05-19  Doug Kwan  <dougkwan@google.com>
4809
4810         * arm.cc (Arm_input_section::original_size): New method.
4811         (Arm_input_section::do_addralign): Add a cast.
4812         (Arm_input_section::do_output_offset): Remove static cast.
4813         (Arm_input_section::original_addralign,
4814          Arm_input_section::original_size_): Change type to uint32_t.
4815         (Arm_input_section::init): Add safe casts for section alignment
4816         and size.
4817         (Arm_input_section::set_final_data_size): Do not set address and
4818         offset of stub table.
4819         (Arm_output_section::fix_exidx_coverage): Change use of of
4820         Output_section::Simple_input_section to that of
4821         Output_section::Input_section.
4822         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4823         except for the first pass.
4824         * output.cc (Output_section::get_input_sections): Change type of
4825         input_sections to std::list<Input_section>.
4826         (Output_section::add_script_input_section): Rename from
4827         Output_section::add_simple_input_section.  Change type of SIS
4828         parameter from Simple_input_section to Input_section.
4829         * output.h (Output_section::Simple_input_section): Remove class.
4830         (Output_section::Input_section): Change class visibility to public.
4831         (Output_section::Input_section::addralign): Use stored alignments
4832         for special input sections if set.
4833         (Output_section::Input_section::set_addralign): New method.
4834         (Output_section::get_input_sections): Change parameter type from
4835         list of Simple_input_section to list of Input_section.
4836         (Output_section::add_script_input_section): Rename from
4837         Output_section::add_simple_input_section. Change first parameter's
4838         type from Simple_input_section to Input_section and remove the
4839         second and third parameters.
4840         * script-sections.cc (Input_section::Input_section_list): Change
4841         type to list of Output_section::Input_section/
4842         (Input_section_info::Input_section_info): Change parameter type of
4843         INPUT_SECTION to Output_section::Input_section.
4844         (Input_section_info::input_section): Change return type.
4845         (Input_section_info::input_section_): Change type to
4846         Output_section::Input_section.
4847         (Output_section_element_input::set_section_addresses): Adjust code
4848         to use Output_section::Input_section instead of
4849         Output_section::Simple_input_section.  Adjust code for renaming
4850         of Output_section::add_simple_input_section.
4851         (Orphan_output_section::set_section_addresses): Ditto.
4852
4853 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4854
4855         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4856         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4857
4858 2010-05-18  Rafael Espindola  <espindola@google.com>
4859
4860         * options.cc (General_options::finalize): Handle -nostdlib.
4861         * options.h (nostdlib): New option.
4862         * script.cc (script_add_search_dir): Handle -nostdlib.
4863
4864 2010-05-12  Doug Kwan  <dougkwan@google.com>
4865
4866         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4867         attributes section only if there no attributes section after merging.
4868         (Target_arm::merge_object_attributes): Move value of
4869         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4870         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4871         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4872         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4873         and arm_attr_merge_7.stdout.
4874         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4875         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4876         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4877         arm_attr_merge_7b.o): New rules.
4878         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4879         arm_attr_merge_7
4880         * testsuite/Makefile.in: Regenerate.
4881         * testsuite/arm_attr_merge.sh: New file.
4882         * testsuite/arm_attr_merge_[67][ab].s: Same.
4883
4884 2010-05-05  Nick Clifton  <nickc@redhat.com>
4885
4886         * po/es.po: Updated Spanish translation.
4887
4888 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4889
4890         * Makefile.am (install-exec-local): Properly install gold as
4891         default cross linker.
4892         * Makefile.in: Regenerated.
4893
4894 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4895             Nick Clifton  <nickc@redhat.com>
4896
4897         * configure.ac (install_as_default): Define and set to false
4898         unless --enable-gold or --enable-gold=both/gold has been
4899         specified.
4900         * configure: Regenerate.
4901
4902         * Makefile.am (install-exec-local): Install the executable as
4903         'ld.gold'.  If install_as_default is true then also install it as
4904         'ld'.
4905         * Makefile.in: Regenerated.
4906
4907 2010-04-24  Ian Lance Taylor  <iant@google.com>
4908
4909         * layout.cc (Layout::layout_reloc): In relocatable link don't
4910         combine reloc sections for grouped sections.
4911
4912 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4913
4914         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4915         sections that are not ordinary to icf.
4916         * icf.cc (get_section_contents): Handle relocation pointing to section
4917         with no object or shndx information.
4918         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4919         * testsuite/Makefile.in: Regenerate.
4920         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4921         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4922
4923 2010-04-22  Ian Lance Taylor  <iant@google.com>
4924
4925         * expression.cc (Expression::Expression_eval_info): Add
4926         result_alignment_pointer field.
4927         (Expression::eval_with_dot): Add result_alignment_pointer
4928         parameter.  Change all callers.
4929         (Expression::eval_maybe_dot): Likewise.
4930         (class Binary_expression): Add alignment_pointer parameter to
4931         left_value and right_value.  Change all callers.
4932         (BINARY_EXPRESSION): Set result alignment.
4933         (class Trinary_expression): Add alignment_pointer parameter to
4934         arg2_value and arg3_value.  Change all callers.
4935         (Trinary_cond::value): Set result alignment.
4936         (Max_expression::value, Min_expression::value): Likewise.
4937         (Align_expression::value): Likewise.
4938         * script-sections.cc (class Sections_element): Add dot_alignment
4939         parameter to set_section_addresses virtual function.  Update
4940         instantiations.
4941         (class Output_section_element): Likewise.
4942         (Script_sections::create_segments): Add dot_alignment parameter.
4943         Change all callers.
4944         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4945         (Script_sections::set_phdrs_clause_addresses): Likewise.
4946         * script-sections.h: Update declarations.
4947         * script.h: Update declarations.
4948         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4949         min_p_align.
4950         * testsuite/script_test_3.t: Set large alignment.
4951         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4952         segment has expected alignment.
4953
4954 2010-04-22  Nick Clifton  <nickc@redhat.com>
4955
4956         * po/gold.pot: Updated by the Translation project.
4957         * po/vi.po: Updated Vietnamese translation.
4958
4959 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4960
4961         * testsuite/Makefile.am (check_PROGRAMS): Add
4962         icf_virtual_function_folding_test.
4963         * testsuite/Makefile.in: Regenerated.
4964
4965 2010-04-15  Andrew Haley  <aph@redhat.com>
4966
4967         * options.h (merge_exidx_entries): New option.
4968         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4969         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4970         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4971         (Target_arm::merge_exidx_entries): New function.
4972         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4973         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4974         to Arm_exidx_fixup constructor.
4975         Add new arg, merge_exidx_entries.
4976         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4977         Arm_output_section::fix_exidx_coverage.
4978
4979 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4980
4981         * icf.cc (get_section_contents): Check for preemptible functions.
4982         Ignore addend when appropriate.
4983         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4984         section folded.
4985         (add_from_relobj): Check for section folded.
4986         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4987         * symtab.h (should_add_dynsym_entry): Add new parameter.
4988         * target-reloc.h (scan_relocs): Check for section folded.
4989         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4990         Check reloc types for function pointers in shared objects.
4991         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4992         case.
4993         (icf_preemptible_functions_test): New test case.
4994         (icf_string_merge_test): New test case.
4995         * testsuite.Makefile.in: Regenerate.
4996         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4997         bar_glob.  Refactor code.
4998         * testsuite/icf_preemptible_functions_test.cc: New file.
4999         * testsuite/icf_preemptible_functions_test.sh: New file.
5000         * testsuite/icf_string_merge_test.cc: New file.
5001         * testsuite/icf_string_merge_test.sh: New file.
5002         * testsuite/icf_virtual_function_folding_test.cc: New file.
5003         * testsuite/icf_virtual_function_folding_test.sh: New file.
5004
5005 2010-04-14  Doug Kwan  <dougkwan@google.com>
5006
5007         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
5008         for local symbol recounting if we remove a section due to ICF.
5009         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
5010         there are no regular objects in input.
5011
5012 2010-04-13  Doug Kwan  <dougkwan@google.com>
5013
5014         * arm.cc (Arm_input_section::set_final_data_size): Compute
5015         accurate final data size instead of using current data size.
5016
5017 2010-04-09  Doug Kwan  <dougkwan@google.com>
5018
5019         * layout.cc (Layout::choose_output_section): Handle script section
5020         types.
5021         (Layout::make_output_section_for_script): Add section type parameter.
5022         Handle script section types.
5023         * layout.h (Layout::make_output_section_for_script): Add section
5024         type parameter.
5025         * output.cc (Output_section::Output_section): Initialize data member
5026         is_noload_.
5027         (Output_section::do_reset_address_and_file_offset): Do not set address
5028         to 0 if section is a NOLOAD section.
5029         * output.h (Output_section::is_noload): New method.
5030         (Output_section::set_is_noload): Ditto.
5031         (Output_section::is_noload_): New data member.
5032         * script-c.h (Script_section_type): New enum type.
5033         (struct Parser_output_section_header): Add new file section_type.
5034         * script-sections.cc (Sections_element::output_section_name): Add
5035         parameter for returning script section type.
5036         (Output_section_definition::output_section_name): Ditto.
5037         (Output_section_definition::section_type)P; New method.
5038         (Output_section_definiton::script_section_type_name): Ditto.
5039         (Output_section_definition::script_section_type_): New data member.
5040         (Output_section_definition::Output_section_definition): Initialize
5041         data member Output_section_definition::script_section_type_.
5042         (Output_section_definition::create_sections): Pass script section type
5043         to Layout::make_output_section_for_script.
5044         (Output_section_definition::output_section_name): Return script
5045         section type to caller.
5046         (Output_section_definition::set_section_address): Do not advance
5047         dot value and load address if section type is NOLOAD.  Set address
5048         of NOLOAD sections regardless of section flags.
5049         (Output_section_definition::print): Print section type if it is
5050         not SCRIPT_SECTION_TYPE_NONE.
5051         (Output_section_definition::section_type): New method.
5052         (Output_section_definition::script_section_type_name): Ditto.
5053         (Script_sections::output_section_name): Add new parameter
5054         PSECTION_TYPE for returning script section type.  Pass it to
5055         section elements.  Handle discard sections.
5056         (Sort_output_sections::operator()): Handle NOLOAD sections.
5057         * script-sections.h (Script_sections::Section_type): New enum type.
5058         (Script_sections::output_section_name): Add a new parameter for
5059         returning script section type.
5060         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5061         INFO and NOLOAD.
5062         * yyscript.y (union): Add new field SECTION_TYPE.
5063         (COPY, DSECT, INFO, NOLOAD): New tokens.
5064         (opt_address_and_section_type): Change type to output_section_header.
5065         (section_type): New non-terminal
5066         (section_header): Handle section type.
5067         (opt_address_and_section_type): Return section type value.
5068
5069 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5070
5071         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5072         * testsuite/plugin_common_test_2.c (foo): Likewise.
5073
5074 2010-04-08  Doug Kwan  <dougkwan@google.com>
5075
5076         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5077         Output_merge_data.
5078         * output.cc (Output_section::add_merge_input_section): Simplify
5079         code and return status of Output_merge_base::add_input_section.
5080         Update merge section map only if Output_merge_base::add_input_section
5081         returns true.
5082
5083 2010-04-07  Doug Kwan  <dougkwan@google.com>
5084
5085         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5086         if section is marked as containing instructions but has no mapping
5087         symbols.
5088         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5089         correct section index.
5090         (Arm_relobj::find_linked_text_section): Ditto.
5091
5092 2010-04-07  Cary Coutant  <ccoutant@google.com>
5093
5094         * archive.cc (include_member): Destroy Read_symbols_data object before
5095         releasing file.
5096         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5097         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5098         (Read_symbols_data::~Read_symbols_data) New destructor.
5099         (Section_relocs::Section_relocs) New constructor.
5100         (Section_relocs::~Section_relocs) New destructor.
5101         (Read_relocs_data::Read_relocs_data) New constructor.
5102         (Read_relocs_data::~Read_relocs_data) New destructor.
5103         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5104         pointers to NULL after deleting.
5105
5106 2010-04-07  Doug Kwan  <dougkwan@google.com>
5107
5108         * arm.cc: Replace "endianity" with "endianness" in comments.
5109         (Arm_exidx_cantunwind): Ditto.
5110         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5111         (Arm_relobj::merge_flags_and_attributes): New method.
5112         (Arm_relobj::merge_flags_and_attributes_): New data member.
5113         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5114         (Arm_relobj::scan_sections_for_stubs): Ditto.
5115         (Arm_relobj::do_read_symbols): Check to see if we really want to
5116         merge processor-specific flags and attributes.  Exit early if
5117         an object is empty except for section names and the undefined symbol.
5118         (Target_arm::do_finalize_sections): Move check for ELF format to
5119         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5120         attributes from a regular object only when we have determined that
5121         it is aapropriate.  Do not create an .ARM.attributes section in
5122         output if there is no regular input object.
5123         (Target_arm::merge_processor_specific_flags): Check
5124         --warn-mismatch before printing any error.
5125         (Target_arm::merge_object_attributes): Ditto.
5126         * gold.cc (queue_middle_tasks): Handle the case in which there is
5127         no regular object in input.
5128         * options.cc (General_options::parse_EB): New method.
5129         (General_options::parse_EL): Same.
5130         (General_options::General_options): Initialize endianness_.
5131         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5132         New options.
5133         (General_options::Endianness): New enum.
5134         (General_options::endianness): New method.
5135         (General_options::endianness_): New data member.
5136         * parameters.cc (Parameters::set_options): Check target endianness.
5137         (Parameters::set_target_once): Ditto.
5138         (Parameters::check_target_endianness): New method.
5139         (parameters_force_valid_target): If either -EL or -EB is specified,
5140         use it to define endianness of default target.
5141         * parameters.h (Parameters::check_target_endianness): New method
5142         declaration.
5143         * target.h (class Target): Change "endianity" to "endianness"
5144         in comments.
5145
5146 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5147
5148         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5149         * configure: Regenerate.
5150         * Makefile.in: Regenerate.
5151         * testsuite/Makefile.in: Regenerate.
5152
5153 2010-04-06  Cary Coutant  <ccoutant@google.com>
5154
5155         gcc PR lto/42757
5156         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5157         prevailing definitions of common symbols.
5158         * testsuite/plugin_test_6.sh: New test case.
5159         * testsuite/plugin_common_test_1.c: New test case.
5160         * testsuite/plugin_common_test_2.c: New test case.
5161         * testsuite/Makefile.am (plugin_test_6): New test case.
5162         * testsuite/Makefile.in: Regenerate.
5163
5164 2010-04-06  Nick Clifton  <nickc@redhat.com>
5165
5166         * po/vi.po: New Vietnamese translation.
5167
5168 2010-03-30  Doug Kwan  <dougkwan@google.com>
5169
5170         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5171
5172 2010-03-25  Doug Kwan  <dougkwan@google.com>
5173
5174         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5175         to avoid a conversion warning on a 32-bit host.
5176
5177 2010-03-24  Ian Lance Taylor  <iant@google.com>
5178
5179         * testsuite/script_test_3.t: Add a TLS segment.
5180         * testsuite/Makefile.am (check_PROGRAMS): Add
5181         tls_phdrs_script_test.
5182         (tls_phdrs_script_test_SOURCES): Define.
5183         (tls_phdrs_script_test_DEPENDENCIES): Define.
5184         (tls_phdrs_script_test_LDFLAGS): Define.
5185         (tls_phdrs_script_test_LDADD): Define.
5186         * testsuite/Makefile.in: Rebuild.
5187
5188 2010-03-23  Cary Coutant  <ccoutant@google.com>
5189
5190         * fileread.cc (find_or_make_view): Fix comment.
5191
5192 2010-03-23  Ian Lance Taylor  <iant@google.com>
5193
5194         * script-sections.cc (class Orphan_section_placement): Define
5195         PLACE_TLS and PLACE_TLS_BSS.
5196         (Orphan_section_placement::Orphan_section_placement): Initialize
5197         new places.
5198         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5199         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5200         (tls_script_test_SOURCES): Define.
5201         (tls_script_test_DEPENDENCIES): Define.
5202         (tls_script_test_LDFLAGS): Define.
5203         (tls_script_test_LDADD): Define.
5204         * testsuite/Makefile.in: Rebuild.
5205
5206 2010-03-22  Doug Kwan  <dougkwan@google.com>
5207
5208         * arm.cc (Arm_relocate_functions::abs8,
5209         Arm_relocate_functions::abs16): Use correct check for overflow
5210         specified in the ARM ELF specs.
5211         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5212         target of a BLX instruction specially.
5213         (Reloc_stub::stub_type_for_reloc): Ditto.
5214         (Relocate::relocate): Use symbolic names instead of numeric relocation
5215         codes to report error.
5216         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5217         workaround.
5218         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5219         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5220         thumb2_blx_out_of_range.stdout
5221         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5222         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5223         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5224         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5225         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5226         thumb2_blx_in_range, thumb2_blx_in_range.o,
5227         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5228         thumb2_blx_out_of_range.o): New rules.
5229         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5230         thumb2_blx_in_range and thumb2_blx_out_of_range.
5231         * testsuite/Makefile.in: Regenerate.
5232         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5233         * testsuite/thumb_blx_in_range.s: New file.
5234         * testsuite/thumb_blx_out_of_range.s: New file.
5235
5236 2010-03-22  Rafael Espindola  <espindola@google.com>
5237
5238         * archive.cc (Should_include): Move to archive.h.
5239         (should_include_member): Make it a member of Archive.
5240         (Lib_group): New.
5241         (Add_lib_group_symbols): New.
5242         * archive.h: Include options.h.
5243         (Archive_member): Moved from Archive.
5244         (Should_include): Moved from archive.cc.
5245         (Lib_group): New.
5246         (Add_lib_group_symbols): New.
5247         * dynobj.cc (do_should_include_member): New.
5248         * dynobj.h (do_should_include_member): New.
5249         * gold.cc (queue_initial_tasks): Update call to queue.
5250         * main.cc (main): Print lib group stats.
5251         * object.cc (do_should_include_member): New.
5252         * object.h: Include archive.h.
5253         (Object::should_include_member): New.
5254         (Object::do_should_include_member): New.
5255         (Sized_relobj::do_should_include_member): New.
5256         * options.cc (General_options::parse_start_lib): New.
5257         (General_options::parse_end_lib): New.
5258         (Input_arguments::add_file): Handle lib groups.
5259         (Input_arguments::start_group): Check we are not in a lib.
5260         (Input_arguments::start_lib): New.
5261         (Input_arguments::end_lib): New.
5262         * options.h (General_options): Add start_lib and end_lib.
5263         (Input_argument::lib_): New.
5264         (Input_argument::lib): New.
5265         (Input_argument::is_lib): New.
5266         (Input_file_lib): New.
5267         (Input_arguments::in_lib_): New.
5268         (Input_arguments::in_lib): New.
5269         (Input_arguments::start_lib): New.
5270         (Input_arguments::end_lib_): New.
5271         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5272         in unused members as preempted.
5273         (Sized_pluginobj::do_should_include_member): New.
5274         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5275         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5276         return the blocker.
5277         (Read_symbols::do_whole_lib_group): New.
5278         (Read_symbols::do_lib_group): New.
5279         (Read_symbols::do_read_symbols): Handle lib groups.
5280         (Read_symbols::get_name): Handle lib groups.
5281         * readsyms.h (Read_symbols): Add an archive member pointer.
5282         (Read_symbols::do_whole_lib_group): New.
5283         (Read_symbols::do_lib_group): New.
5284         (Read_symbols::member_): New.
5285         * script.cc (read_input_script): Update call to queue_soon.
5286
5287 2010-03-19  Doug Kwan  <dougkwan@google.com>
5288
5289         * arm.cc (Stub_table::Stub_table): Initialize new data members
5290         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5291         (Stub_table::add_reloc_stub): Assign stub offset and update
5292         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5293         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5294         New data members.
5295         (Stub_table::update_data_size_and_addralign): Use
5296         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5297         instead of going over all reloc stubs.
5298         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5299         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5300         Stringpool_template::offset_ to size of Stringpool_char.
5301         (Stringpool_template::new_key_offset): Remove code to initialize
5302         Stringpool_template::offset_.
5303         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5304         Stringpool_template::offset_ to zero.
5305
5306 2010-03-15  Doug Kwan  <dougkwan@google.com>
5307
5308         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5309         offset_.
5310         (Stringpool_template::new_key_offset): New method.
5311         (Stringpool_template::add_string): Assign offsets when adding new
5312         strings.
5313         (Stringpool_template::set_string_offsets): Do not set string offsets
5314         when not optimizing.
5315         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5316         member size_.
5317         (Chunked_vector::clear): Clear size_.
5318         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5319         (Chunked_vector::size): Return size_.
5320         (Chunked_vector::push_back): Use size_ to find insert position.
5321         (Chunked_vector::size_): New data member.
5322         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5323         (Stringpool_template::new_key_offset): New method declaration.
5324         (Stringpool_template::offset_): New data member.
5325
5326 2010-03-15   Rafael Espindola  <espindola@google.com>
5327
5328         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5329         Add_symbols' constructor.
5330         * readsyms.h (Add_symbols): Remove the input_group member.
5331
5332 2010-03-10  Ian Lance Taylor  <iant@google.com>
5333
5334         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5335         target to ask whether a reference to a symbol requires a stack
5336         split.
5337         * target.h (Target::is_call_to_non_split): New function.
5338         (Target::do_is_call_to_non_split): Declare virtual function.
5339         * target.cc: Include "symtab.h".
5340         (Target::do_is_call_to_non_split): New function.
5341         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5342
5343 2010-03-10  Cary Coutant  <ccoutant@google.com>
5344
5345         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5346         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5347         (File_read::open[2]): Add whole_file_view_ to list of views.
5348         (File_read::make_view): Remove test of whole_file_view_.
5349         (File_read::find_or_make_view): Create whole_file_view_ if
5350         necessary.
5351         (File_read::clear_views): Replace bool parameter with enum;
5352         adjust all callers.  Don't delete views with permanent data;
5353         do delete cached views and views from archives if
5354         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5355         if clearing the corresponding view.
5356         * fileread.h (File_read::Clear_views_mode): New enum.
5357         (File_read::View::is_permanent_view): New method.
5358         (File_read::clear_views): Replace bool parameter
5359         with enum; adjust all callers.
5360         * options.h (General_options): Change keep_files_mapped option;
5361         add map_whole_files.
5362         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5363         releasing the file.
5364         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5365         the file.
5366
5367 2010-03-10  David S. Miller  <davem@davemloft.net>
5368
5369         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5370
5371 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5372
5373         * icf.cc (get_section_contents): Add '@' marker after processing the
5374         merge reloc.
5375
5376 2010-03-08  Doug Kwan  <dougkwan@google.com>
5377
5378         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5379         due to a conversion warning.
5380         (Arm_relobj::update_output_local_symbol_count): Check for local
5381         symbol with unset output index.
5382
5383 2010-03-05  Ian Lance Taylor  <iant@google.com>
5384
5385         * options.h (class General_options): Add --spare-dynamic-tags.
5386         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5387         --spare-dynamic-tags.
5388
5389 2010-03-05  Ian Lance Taylor  <iant@google.com>
5390
5391         * incremental.cc: Include "libiberty.h".
5392
5393 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5394
5395         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5396         function, is_info_ member.
5397         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5398         (Versions::Versions): Update caller.
5399         (Versions::define_base_version): Likewise.
5400         (Versions::add_def): Likewise.
5401
5402 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5403
5404         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5405         (Scan::possible_function_pointer_reloc): New function.
5406         (Scan::local_reloc_may_be_function_pointer): Change to call
5407         possible_function_pointer_reloc.
5408         (Scan::global_reloc_may_be_function_pointer): Ditto.
5409         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5410         relocations in ".data.rel.ro._ZTV" section.
5411         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5412         * testsuite/icf_safe_so_test.cc: Ditto.
5413         * testsuite/icf_safe_test.cc: Ditto.
5414         * testsuite/icf_safe_test.sh: Ditto.
5415
5416 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5417             Ian Lance Taylor  <iant@google.com>
5418
5419         * target-reloc.h (relocate_section): Check the symbol table index
5420         for -1U before setting the local symbol index.
5421         (scan_relocatable_relocs): If copying the relocation, record that
5422         the local symbol is required.
5423         * object.h (Symbol_value::is_output_symtab_index_set): New
5424         function.
5425         (Symbol_value::may_be_discarded_from_output_symtab): New
5426         function.
5427         (Symbol_value::has_output_symtab_entry): New function.
5428         (Symbol_value::needs_output_symtab_entry): Remove.
5429         (Symbol_value::output_symtab_index): Make sure the symbol index is
5430         set.
5431         (Symbol_value::set_output_symtab_index): Make sure the symbol
5432         index is not set.  Make sure the new index is valid.
5433         (Symbol_value::set_must_have_output_symtab_entry): New function.
5434         (Symbol_value::has_output_dynsym_entry): New function.
5435         (Symbol_value::set_output_dynsym_index): Make sure the new index
5436         is valid.
5437         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5438         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5439         local symbol if permitted.
5440         (Sized_relobj::do_finalize_local_symbols): Call
5441         is_output_symtab_index_set rather than needs_output_symtab_entry.
5442         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5443         rather than needs_output_symtab_entry.  Call
5444         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5445         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5446         is_output_symtab_index_set rather than needs_output_symtab_entry.
5447         * testsuite/discard_locals_relocatable_test.c: New file.
5448         * testsuite/discard_locals_test.sh: Test -r.
5449         * testsuite/Makefile.am (check_DATA): Add
5450         discard_locals_relocatable_test1.syms,
5451         discard_local_relocatable_test2.syms.
5452         (MOSTLYCLEANFILES): Likewise.  Also add
5453         discard_locals_relocatable_test1.lout and
5454         discard_locals_relocatable_test2.out.
5455         (discard_locals_relocatable_test1.syms): New target.
5456         (discard_locals_relocatable_test.o): New target.
5457         (discard_locals_relocatable_test1.out): New target.
5458         (discard_locals_relocatable_test2.syms): New target.
5459         (discard_locals_relocatable_test2.out): New target.
5460         (various): Add missing ../ld-new dependencies.
5461         * testsuite/Makefile.in: Rebuild.
5462
5463 2010-03-03  Nick Clifton  <nickc@redhat.com>
5464
5465         * po/fi.po: New Finnish translation.
5466
5467 2010-03-01  Doug Kwan  <dougkwan@google.com>
5468
5469         * layout.cc (Layout::Layout): Force section types of .init_array*,
5470         .preinit_array* and .fini_array* sections.
5471         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5472         Fix check of return value of std::string::find.().
5473         (Output_section::Input_section_sort_compare::operator()): Remove
5474         comment about .init_array.
5475         (Output_section::Input_section_sort_init_fini_compare::operator()):
5476         New method.
5477         (Output_section::sort_attached_input_sections): Handle .init_array
5478         and .fini_array specially.
5479         * output.h (Output_section::Inut_section_sort_compare): Update
5480         comment.
5481         (Output_section::Input_section_sort_init_fini_compare): New struct.
5482
5483 2010-02-26  Doug Kwan  <dougkwan@google.com>
5484
5485         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5486         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5487         * testsuite/debug_msg.sh: Avoid matching source line number for
5488         use of global variable undef_int.
5489
5490 2010-02-26  Doug Kwan  <dougkwan@google.com>
5491
5492         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5493         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5494         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5495         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5496         * options.cc (General_options::General_options): Initialize member
5497         fix_v4bx_.
5498         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5499         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5500         and rm_no_fix_v4bx.stdout
5501         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5502         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5503         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5504         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5505         and arm_no_fix_v4bx.
5506         * Makefile.in: Regenerate.
5507         * testsuite/arm_fix_v4bx.s: New file.
5508         * testsuite/arm_fix_v4bx.sh: Ditto.
5509
5510 2010-02-24  Doug Kwan  <dougkwan@google.com>
5511
5512         * arm.cc (Target_arm::got_section): Make the .got section the first
5513         non RELRO section in the data segment.
5514         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5515         suffixes of section names.
5516
5517 2010-02-24  Doug Kwan  <dougkwan@google.com>
5518
5519         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5520         flags and attributes merging if an input file is a binary file.
5521         * fileread.cc (Input_file::open): Record format of original file.
5522         * fileread.h (Input_file::Format): New enum type.
5523         (Input_file::Input_file): Initialize data member format_.
5524         (Input_file::format): New method definition.
5525         (Input_file::format_):: New data member.
5526
5527 2010-02-24  Doug Kwan  <dougkwan@google.com>
5528
5529         * arm.cc (Arm_output_data_got): New class.
5530         (ARM_TCB_SIZE): New constant
5531         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5532         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5533         If user uses a script with a SECTIONS clause, issue only a warning
5534         for a misplaced EXIDX input section.  Otherwise, issue an error.
5535         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5536         garbage collection.
5537         (Target_arm::got_mode_index_entry): Handle static linking.
5538         (Target_arm::Scan::local): Ditto.
5539         (Target_arm::Scan::global): Ditto.
5540         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5541         all incorrectly implemented relocations.
5542         (Target_arm::fix_exidx_coverage): Pass layout to
5543         Arm_output_section::fix_exidx_coverage.
5544         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5545         from ".ARM.exidx." and ".ARM.extab.".
5546
5547 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5548
5549         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5550         section if it does not already exist.
5551         * attributes.cc (Attributes_section_data::Attributes_section_data):
5552         Don't crash if size is zero.
5553
5554 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5555             Ian Lance Taylor  <iant@google.com>
5556
5557         * gold.cc (queue_middle_tasks): If no input files were opened,
5558         exit.
5559         * workqueue.h (Task_function::Task_function): Assert that there is
5560         a blocker.
5561
5562 2010-02-22  Doug Kwan  <dougkwan@google.com>
5563
5564         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5565         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5566         types to avoid warnings due to different uint64_t implementations
5567         on different hosts.
5568
5569 2010-02-21  Doug Kwan  <dougkwan@google.com>
5570
5571         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5572         handling of the maximum backward branch offset.
5573         (Arm_relocate_functions::thumb_branch_common): Ditto.
5574         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5575         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5576         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5577         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5578         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5579         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5580         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5581         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5582         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5583         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5584         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5585         thumb2_bl_out_of_range.o): New rules.
5586         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5587         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5588         thumb2_bl_out_of_range
5589         * testsuite/Makefile.in: Regenerate.
5590         * testsuite/arm_bl_in_range.s: New file.
5591         * testsuite/arm_bl_out_of_range.s: Ditto.
5592         * testsuite/arm_branch_in_range.sh: Ditto.
5593         * testsuite/arm_branch_range.t: Ditto.
5594         * testsuite/thumb2_branch_range.t: Ditto.
5595         * testsuite/thumb_bl_in_range.s: Ditto.
5596         * testsuite/thumb_bl_out_of_range.s: Ditto.
5597         * testsuite/thumb_branch_range.t: Ditto.
5598
5599 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5600
5601         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5602         Add reloc offset information.
5603         * icf.cc (get_section_contents): Change iterators to point to the new
5604         vectors. Add reloc offset information to the contents.
5605         * icf.h (Icf::Sections_reachable_info): New typedef.
5606         (Icf::Sections_reachable_list): New typedef.
5607         (Icf::Offset_info): New typedef.
5608         (Icf::Reloc_info): New struct typedef.
5609         (Icf::Reloc_info_list): New typedef.
5610         (Icf::symbol_reloc_list): Delete method.
5611         (Icf::addend_reloc_list): Delete method.
5612         (Icf::section_reloc_list): Delete method.
5613         (Icf::reloc_info_list): New method.
5614         (Icf::reloc_info_list_): New member.
5615
5616 2010-02-19  Doug Kwan  <dougkwan@google.com>
5617
5618         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5619         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5620         * arm.cc (Arm_relocation_functions): New forward declaration.
5621         (Target_arm::Target_arm): Initialize new data members
5622         got_mod_index_offset_ and tls_base_symbol_defined_.
5623         (Target_arm::Relocate::relocate_tls): New method.
5624         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5625          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5626         New methods.
5627         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5628         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5629         (Target_arm::got_mod_index_offset_,
5630         Target_arm::tls_base_symbol_defined_): New data members.
5631         (Target_arm::Scan::local, Target::Scan::global,
5632         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5633         relocations.
5634
5635 2010-02-18  Doug Kwan  <dougkwan@google.com>
5636
5637         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5638         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5639         text section as a parameter becuase some broken tools may not set
5640         the link in section header.
5641         (Target_arm::has_got_section): New method.
5642         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5643         without any mapping symbol as data only.  Remove warning.
5644         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5645         link in its section header, try to discover the link by inspecting the
5646         REL31 relocation at the beginning of the section.
5647         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5648         in error message.
5649         (Target_arm::Scan::global): Treat any reference to the symbol
5650         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5651
5652 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5653
5654         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5655         (Scan::global_reloc_may_be_function_pointer): New function.
5656         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5657         (Scan::global_reloc_may_be_function_pointer): New function.
5658         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5659         (Scan::global_reloc_may_be_function_pointer): New function.
5660         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5661         (Scan::global_reloc_may_be_function_pointer): New function.
5662         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5663         (Scan::global_reloc_may_be_function_pointer): New function.
5664         (Scan::possible_function_pointer_reloc): New function.
5665         (Target_x86_64::can_check_for_function_pointers): New function.
5666         * gc.h (gc_process_relocs): Scan relocation types to determine if
5667         function pointers were taken for targets that support it.
5668         * icf.cc (Icf::find_identical_sections): Include functions for
5669         folding in safe ICF whose pointer is not taken.
5670         * icf.h (Secn_fptr_taken_set): New typedef.
5671         (fptr_section_id_): New member.
5672         (section_has_function_pointers): New function.
5673         (set_section_has_function_pointers): New function.
5674         (check_section_for_function_pointers): New function.
5675         * options.h: Fix comment for safe ICF option.
5676         * target.h (can_check_for_function_pointers): New function.
5677         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5678         Modify icf_safe_test for X86-64.
5679         * testsuite/Makefile.in: Regenerate.
5680         * testsuite/icf_safe_so_test.cc: New file.
5681         * testsuite/icf_safe_so_test.sh: New file.
5682         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5683         (main): Change to take pointer to function kept_func_3.
5684         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5685         folding is done correctly for X86-64.
5686
5687 2010-02-12  David S. Miller  <davem@davemloft.net>
5688
5689         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5690         is_symbolless parameter.
5691         (Output_reloc<SHT_REL>::is_symbolless): New.
5692         (Output_reloc<SHT_REL>::is_symbolless_): New.
5693         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5694         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5695         (Output_reloc<SHT_RELA>::is_symbolless): New.
5696         (Output_data_reloc::add_global): Handle is_symbolless.
5697         (Output_data_reloc::add_global_relative): Likewise.
5698         (Output_data_reloc::add_local): Likewise.
5699         (Output_data_reloc::add_local_relative): Likewise.
5700         (Output_data_reloc::add_symbolless_global_addend): New.
5701         (Output_data_reloc::add_symbolless_local_addend): New.
5702         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5703         is_symbolless.
5704         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5705         instead of ->is_relative_
5706         (Output_reloc::write): Likewise.
5707         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5708         (Output_reloc::write_rel): Simplify.
5709
5710         * sparc.cc (Target_sparc::Scan::local): Use
5711         ->add_symbolless_local_addend as needed.
5712         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5713         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5714         based upon relocation offset.
5715
5716 2010-02-11  Doug Kwan  <dougkwan@google.com>
5717
5718         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5719         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5720         beginning of function.
5721         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5722         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5723         parameter is_32bit in calls to should_apply_static_reloc.
5724         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5725         (check_DATA): Add arm_abs_global.stdout.
5726         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5727         arm_abs_global.stdout): New rules.
5728         (MOSTLLYCLEANFILES): Add arm_abs_global
5729         * Makefile.in: Regenerate.
5730         * testsuite/arm_abs_global.s: New file.
5731         * testsuite/arm_abs_global.sh: Ditto.
5732         * testsuite/arm_abs_lib.s: Ditto.
5733
5734 2010-02-11  Ian Lance Taylor  <iant@google.com>
5735
5736         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5737         Read_relocs task.
5738         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5739         Allocate_commons_task first.
5740         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5741         task, rather than symtab_lock_.
5742         (Gc_process_relocs::~Gc_process_relocs): New function.
5743         (Gc_process_relocs::is_runnable): Check this_blocker_.
5744         (Gc_process_relocs::locks): Use next_blocker_ rather than
5745         blocker_.
5746         (Scan_relocs::~Scan_relocs): New function.
5747         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5748         symtab_lock_.
5749         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5750         next_blocker_.
5751         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5752         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5753         constructor accordingly.
5754         (class Gc_process_relocs): Likewise.
5755         (class Scan_relocs): Likewise.
5756         * common.h (class Allocate_commons_task): Remove symtab_lock_
5757         field, and corresponding constructor parameter.
5758         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5759         symtab_lock_.
5760         (Allocate_commons_task::locks): Likewise.
5761
5762 2010-02-11  Ian Lance Taylor  <iant@google.com>
5763
5764         * gold-threads.h (class Once): Define.
5765         (class Initialize_lock): Rewrite as child of Once.
5766         * gold-threads.cc (class Once_initialize): Define.
5767         (once_pointer_control): New static variable.
5768         (once_pointer, once_arg): New static variables.
5769         (c_run_once): New static function.
5770         (Once::Once, Once::run_once, Once::internal_run): New functions.
5771         (class Initialize_lock_once): Remove.
5772         (initialize_lock_control): Remove.
5773         (initialize_lock_pointer): Remove.
5774         (initialize_lock_once): Remove.
5775         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5776         (Initialize_lock::initialize): Rewrite.
5777         (Initialize_lock::do_run_once): New function.
5778         * archive.cc (Archive::interpret_header): Only clear name if it is
5779         not already empty.
5780         * fileread.cc: Include "gold-threads.h"
5781         (file_counts_lock): New static variable.
5782         (file_counts_initialize_lock): Likewise.
5783         (File_read::release): Only increment counts when using --stats.
5784         Use a lock around the increment.
5785         * parameters.cc (class Set_parameters_target_once): Define.
5786         (set_parameters_target_once): New static variable.
5787         (Parameters::Parameters): Move here from parameters.h.
5788         (Parameters::set_target): Rewrite.
5789         (Parameters::set_target_once): New function.
5790         (Parameters::clear_target): Move here and rewrite.
5791         * parameters.h (class Parameters): Update declarations.  Add
5792         set_parameters_target_once_ field.
5793         (Parameters::Parameters): Move to parameters.cc.
5794         (Parameters::clear_target): Likewise.
5795         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5796         task.
5797         (Start_group::~Start_group): New function.
5798         (Start_group::is_runnable): New function.
5799         (Start_group::locks, Start_group::run): New functions.
5800         (Finish_group::run): Change saw_undefined to size_t.
5801         * readsyms.h (class Start_group): Define.
5802         (class Finish_group): Change saw_undefined_ field to size_t.
5803         (Finish_group::Finish_group): Remove saw_undefined and
5804         this_blocker parameters.  Change all callers.
5805         (Finish_group::set_saw_undefined): New function.
5806         (Finish_group::set_blocker): New function.
5807         * symtab.h (class Symbol_table): Change saw_undefined to return
5808         size_t.  Change saw_undefined_ field to size_t.
5809         * target-select.cc (Set_target_once::do_run_once): New function.
5810         (Target_selector::Target_selector): Initialize set_target_once_
5811         field.  Don't initialize lock_ and initialize_lock_ fields.
5812         (Target_selector::instantiate_target): Rewrite.
5813         (Target_selector::set_target): New function.
5814         * target-select.h (class Set_target_once): Define.
5815         (class Target_selector): Update declarations.  Make
5816         Set_target_once a friend.  Remove lock_ and initialize_lock_
5817         fields.  Add set_target_once_ field.
5818
5819 2010-02-10  Ian Lance Taylor  <iant@google.com>
5820
5821         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5822         queueing any tasks.
5823         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5824         (queue_middle_tasks): Add all blockers before queueing any tasks.
5825         (queue_final_tasks): Likewise.
5826         * token.h (Task_token::add_blockers): New function.
5827         * object.h (Input_objects::number_of_relobjs): New function.
5828
5829 2010-02-10  Ian Lance Taylor  <iant@google.com>
5830
5831         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5832         shared, not if not position independent.
5833         * x86_64.cc (Relocate::relocate_tls): Likewise.
5834         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5835         (tls_pie_pic_test): New target.
5836         * testsuite/Makefile.in: Rebuild.
5837
5838         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5839         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5840         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5841         * testsuite/Makefile.in: Rebuild.
5842
5843 2010-02-09  David S. Miller  <davem@davemloft.net>
5844
5845         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5846         R_SPARC_RELATIVE using ->add_local_relative().
5847         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5848
5849         * output.h (Output_data_dynamic::add_section_size): New method
5850         that takes two Output_data objects.
5851         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5852         entry param.  Handle it in initializers.
5853         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5854         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5855         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5856         arg.
5857         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5858         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5859         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5860         for dynrel_includes_plt.
5861         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5862         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5863         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5864         before .rela.plt
5865         (Target_sparc::do_finalize_sections): Update to pass true for
5866         dynrel_includes_plt.
5867         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5868         output before .rela.plt
5869         (Target_powerpc::do_finalize_sections): Update to pass true for
5870         dynrel_includes_plt when 32-bit.
5871
5872 2010-02-08  Doug Kwan  <dougkwan@google.com>
5873
5874         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5875         method.
5876         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5877         Arm_relobj::scan_section_for_cortex_a8_stubs,
5878         Arm_relobj::do_relocation_section): Instead of calling
5879         Output_section::output_address, use faster
5880         Arm_relobj::simple_input_section_output_address.
5881
5882 2010-02-08  David S. Miller  <davem@davemloft.net>
5883
5884         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5885         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5886         relocation helper function.
5887
5888         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5889         just like R_SPARC_GOT{10,13,22}.
5890         (Target_sparc::Scan::local): Likewise.
5891         (Target_sparc::Relocate:relocate): Likewise.
5892
5893 2010-02-06  Ian Lance Taylor  <iant@google.com>
5894
5895         * configure.ac: Rewrite targetobjs duplicate removal code to use
5896         only shell constructs.
5897         * configure: Rebuild.
5898
5899 2010-02-05  Doug Kwan  <dougkwan@google.com>
5900
5901         PR 11247
5902         * arm.cc (Arm_relobj::section_is_scannable): New method.
5903         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5904         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5905
5906 2010-02-04  Doug Kwan  <dougkwan@google.com>
5907
5908         PR 11247
5909         * arm-reloc-property.cc (cstdio): Include.
5910         * configure.ac (targetobjs): Remove duplicates.
5911         * configure: Regenerate.
5912         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5913         big and little endian version for a given address size.
5914
5915 2010-02-03  Doug Kwan  <dougkwan@google.com>
5916
5917         * arm-reloc-property.cc
5918         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5919         definition.
5920         * arm-reloc-property.h
5921         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5922         New method definition.
5923         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5924         declaration.
5925         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5926         overflow to N.
5927         (GOT_PREL): Change implemented to Y.
5928         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5929         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5930         (Arm_relocate_functions::movw_abs_nc): Remove method.
5931         (Arm_relocate_functions::movt_abs): Ditto.
5932         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5933         (Arm_relocate_functions::thm_movt_abs): Ditto.
5934         (Arm_relocate_functions::movw_rel_nc): Ditto.
5935         (Arm_relocate_functions::movw_rel): Ditto.
5936         (Arm_relocate_functions::movt_rel): Ditto.
5937         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5938         (Arm_relocate_functions:thm_movw_rel): Ditto.
5939         (Arm_relocate_functions:thm_movt_rel): Ditto.
5940         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5941         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5942         New method definitions.
5943         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5944         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5945         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5946         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5947         (Target_arm::Relocate::relocate): Check for non-static or
5948         unimplemented relocation code and exit early.  Change calls to
5949         Target_arm::reloc_uses_thumb_bit and
5950         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5951         instead.  Refactor code to handle similar relocations to increase
5952         code sharing.  Remove check for unsupported relocation code in switch
5953         statement.
5954         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5955         relocation property table to find out size.  Change error message to
5956         print out the name of a relocation code instead of the numeric value.
5957         (Target_arm::scan_reloc_for_stub): Use relocation property table
5958         instead of calling Target_arm::reloc_uses_thumb_bit().
5959
5960 2010-02-02  Doug Kwan  <dougkwan@google.com>
5961
5962         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5963         types of relaxed input section.
5964
5965 2010-02-02  Doug Kwan  <dougkwan@google.com>
5966
5967         * Makefile.am (HFILES): Add arm-reloc-property.h.
5968         (DEFFILES): New.
5969         (TARGETSOURCES): Add arm-reloc-property.cc
5970         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5971         (libgold_a_SOURCES): $(DEFFILES)
5972         * Makefile.in: Regenerate.
5973         * arm-reloc-property.cc: New file.
5974         * arm-reloc-property.h: New file.
5975         * arm-reloc.def: New file.
5976         * arm.cc: Update comments.
5977         (arm-reloc-property.h): New included header.
5978         (arm_reloc_property_table): New global variable.
5979         (Target_arm::do_select_as_default_target): New method definition.
5980         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5981         arm-reloc-property to targ_extra_obj.
5982         * parameters.cc (set_parameters_target): Call
5983         Target::select_as_default_target().
5984         * target.h (Target::select_as_default_target): New method definition.
5985         (Target::do_select_as_default_target): Same.
5986
5987 2010-02-01  Doug Kwan  <dougkwan@google.com>
5988
5989         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5990         first_output_text_section_.
5991         (Arm_exidx_fixup::first_output_text_section): New method definition.
5992         (Arm_exidx_fixup::first_output_text_section_): New data member.
5993         (Arm_exidx_fixup::process_exidx_section): Record the first text
5994         output section seen.
5995         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5996         and entsize in output section header.
5997
5998 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5999
6000         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
6001         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
6002         (Arm_relocate_functions::thm_alu11): New Method.
6003         (Arm_relocate_functions::thm_pc8): New Method.
6004         (Arm_relocate_functions::thm_pc12): New Method.
6005         (Target_arm::Scan::local): Handle the relocations.
6006         (Target_arm::Scan::global): Likewise.
6007         (Target_arm::Relocate::relocate): Likewise.
6008         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6009
6010 2010-01-29  Doug Kwan  <dougkwan@google.com>
6011
6012         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
6013         of relocation types as ld.
6014
6015 2010-01-29  Doug Kwan  <dougkwan@google.com>
6016
6017         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6018         to public.
6019         (Arm_relocate_functions::thumb_branch_common): Ditto.
6020         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6021         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6022         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6023         Arm_relocate_functions::jump24): Remove.
6024         (Target_arm::Relocate::relocate): Adjust code to call
6025         Arm_relocation_functions::arm_branch_common and
6026         Arm_relocation_functions::thumb_branch_common instead of their removed
6027         wrappers.  Merge switch-cases together to reduce source code size.
6028
6029 2010-01-29  Doug Kwan  <dougkwan@google.com>
6030
6031         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6032         output_local_symbol_count_needs_update_.
6033         (Arm_relobj::output_local_symbol_count_needs_update,
6034          Arm_relobj::set_output_local_symbol_count_needs_update,
6035          Arm_relobj::update_output_local_symbol_count): New methods.
6036         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6037         member.
6038         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6039         of pointed function as in a R_ARM_PREL31 relocation.
6040         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6041         for output local symbol count updating.
6042         (Target_arm::do_relax): Update output local symbol counts in objects
6043         if necessary.
6044         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6045
6046 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6047
6048         * arm.cc: Added support for the ARM relocations:
6049         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6050         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6051         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6052         movw_prel_nc).
6053         (Arm_relocate_functions::movw_rel): New method.
6054         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6055         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6056         thm_movw_prel_nc).
6057         (Arm_relocate_functions::thm_movw_rel): New method.
6058         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6059         thm_movt_prel).
6060         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6061         relocations.
6062         (Target_arm::Scan::global): Likewise.
6063         (Target_arm::Relocate::relocate): Likewise.
6064         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6065         Likewise.
6066
6067 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6068
6069         * arm.cc: Added support for ARM group relocations.
6070         (Target_arm::reloc_needs_sym_origin): New method.
6071         (Arm_relocate_functions::calc_grp_kn): New method.
6072         (Arm_relocate_functions::calc_grp_residual): New method.
6073         (Arm_relocate_functions::calc_grp_gn): New method.
6074         (Arm_relocate_functions::arm_grp_alu): New Method.
6075         (Arm_relocate_functions::arm_grp_ldr): New Method.
6076         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6077         (Arm_relocate_functions::arm_grp_ldc): New Method.
6078         (Target_arm::Scan::local): Handle the ARM group relocations.
6079         (Target_arm::Scan::global): Likewise.
6080         (Target_arm::Relocate::relocate): Likewise.
6081         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6082         Likewise.
6083
6084 2010-01-26  Doug Kwan  <dougkwan@google.com>
6085
6086         * arm.cc (set): Include.
6087         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6088         pointer type.
6089         (Arm_output_section::Text_section_list): New type.
6090         (Arm_output_section::append_text_sections_to_list): New method.
6091         (Arm_output_section::fix_exidx_coverage): Ditto.
6092         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6093         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6094         Relobj::set_section_offset() instead of
6095         Sized_relobj::invalidate_section_offset().
6096         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6097         parameter for section headers. Ignore relocation sections for
6098         unallocated sections and EXIDX sections.
6099         (Target_arm::fix_exidx_coverage): New method.
6100         (Target_arm::output_section_address_less_than): New type.
6101         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6102         linked text section instead of the EXIDX section.
6103         (Arm_output_section::create_stub_group): Add an assertion to check
6104         that this is not an EXIDX output section.
6105         (Arm_output_section::append_text_sections_to_list): New method.
6106         (Arm_output_section::fix_exidx_coverage): Ditto.
6107         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6108         Arm_relobj::section_needs_reloc_stub_scanning.
6109         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6110         first pass.
6111         (Target_arm::fix_exidx_coverage): New method.
6112         * object.h (Relobj::set_output_section): New method.
6113         (Sized_relobj::invalidate_section_offset): Remove method.
6114         (Sized_relobj::do_invalidate_section_offset): Remove method.
6115         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6116
6117 2010-01-25  Doug Kwan  <dougkwan@google.com>
6118
6119         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6120         Fix warning due to signed and unsigned comparison on a 32-bit host.
6121
6122 2010-01-22  Doug Kwan  <dougkwan@google.com>
6123
6124         * arm.cc (Target_arm::do_relax): Record an output section for section
6125         offset adjustment it contains any stub table that has changed.
6126         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6127         offsets in an output section if necessary.
6128         * output.cc (Output_section::Output_section): Initialize
6129         section_offsets_need_adjustments_.
6130         (Output_section::add_input_section_for_script): Renamed to
6131         Output_section::add_simple_input_section.
6132         (Output_section::save_states): Add a comment.
6133         (Output_section::discard_states): New method defintion.
6134         (Output_section::adjust_section_offsets): Same.
6135         * output.h (Output_section::add_input_section_for_script): Renamed to
6136         Output_section::add_simple_input_section.
6137         (Output_section::discard_states): New method declaration.
6138         (Output_section::adjust_section_offsets): Same.
6139         (Output_section::section_offsets_need_adjustment,
6140         Output_section::set_section_offsets_need_adjustment): New method
6141         definitions.
6142         (Output_section::section_offsets_need_adjustment_): New data member.
6143         * script-sections.cc
6144         (Output_section_element_input::set_section_address): Adjust code for
6145         renaming of Output_section::add_input_section_for_script.
6146         (Orphan_output_section::set_section_address): Same.
6147
6148 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6149
6150         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6151         Fix_v4bx enum values .
6152         * gold/options.h (General_options): New option definitions.
6153         (General_options::fix_v4bx): New method.
6154         (General_options::Fix_v4bx): New enum.
6155         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6156         (General_options::parse_fix_v4bx_interworking): New method.
6157
6158 2010-01-22  Doug Kwan  <dougkwan@google.com>
6159
6160         * arm.cc (Arm_exidx_fixup): New class.
6161
6162 2010-01-21  Doug Kwan  <dougkwan@google.com>
6163
6164         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6165         classes.
6166         (Arm_exidx_section_offset_map): New type.
6167
6168 2010-01-21  Doug Kwan  <dougkwan@google.com>
6169
6170         * arm.cc (Arm_exidx_input_section): New class.
6171         (Arm_relobj::exidx_input_section_by_link,
6172         Arm_relobj::exidx_input_section_by_shndx,
6173         Arm_relobj::make_exidx_input_section): New methods.
6174         (read_arm_attributes_section): Remove.
6175         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6176         information about them.
6177         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6178         to here.
6179
6180 2010-01-20  Doug Kwan  <dougkwan@google.com>
6181
6182         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6183         Input_section_specifier to Section_id.
6184         (Target_arm::new_arm_input_section: Adjust code for change of key
6185         type.
6186         (Target_arm::find_arm_input_section): Ditto.
6187         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6188         (Section_id): Remove.
6189         (Garbage_collection::Section_id_hash): Remove.
6190         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6191         (Section_id): Remove.
6192         (Icf::Section_id_hash): Remove.
6193         * object.h (Section_id, Const_section_id, Section_id_hash,
6194         Const_section_id_hash): New type definitions.
6195         * output.cc (Output_section::add_relaxed_input_section): Change to
6196         use Const_section_id instead of Input_section_specifier as key type.
6197         (Output_section::add_merge_input_section): Ditto.
6198         (Output_section::build_relaxation_map): Change to use Section_id
6199         instead of Input_section_specifier as key type.
6200         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6201         Ditto.
6202         (Output_section::convert_input_sections_to_relaxed_sections): Change
6203         to use Const_section_id instead of Input_section_specifier as key type.
6204         (Output_section::find_merge_section): Ditto.
6205         (Output_section::find_relaxed_input_section): Ditto.
6206         * output.h (Input_section_specifier): Remove class.
6207         (Output_section::Output_section_data_by_input_section_map): Change
6208         key type to Const_section_id.
6209         (Output_section::Output_relaxed_input_section_by_input_section_map):
6210         Ditto.
6211         (Output_section::Relaxation_map): Change key type to Section_id.
6212
6213 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6214
6215         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6216         (class Arm_v4bx_stub): New class.
6217         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6218         (Stub_factory::make_arm_v4bx_stub): New method.
6219         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6220         (Stub_table::empty): Handle v4bx stubs.
6221         (Stub_table::add_arm_v4bx_stub): New method.
6222         (Stub_table::find_arm_v4bx_stub): New method.
6223         (Arm_relocate_functions::v4bx): New method.
6224         (Target_arm::fix_v4bx): New method.
6225         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6226         (Stub_table::relocate_stubs): Likewise.
6227         (Stub_table::do_write): Likewise.
6228         (Stub_table::update_data_size_and_addralign): Likewise.
6229         (Stub_table::finalize_stubs):  Likewise.
6230         (Target_arm::Scan::local): Likewise.
6231         (Target_arm::Scan::global): Likewise.
6232         (Target_arm::do_finalize_sections): Likewise.
6233         (Target_arm::Relocate::relocate): Likewise.
6234         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6235         Likewise.
6236         (Target_arm::scan_reloc_for_stub): Likewise.
6237         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6238
6239 2010-01-19  Ian Lance Taylor  <iant@google.com>
6240
6241         * output.cc (Output_section_headers::do_sized_write): Write large
6242         segment count to sh_info field.
6243         (Output_file_header::do_sized_write): For large segment count,
6244         write PN_XNUM to e_phnum field.
6245
6246 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6247
6248         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6249         (Arm_relocate_functions::thm_jump8): New function.
6250         (Arm_relocate_functions::thm_jump11): New function.
6251         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6252         R_ARM_THM_JUMP11.
6253         (Target_arm::Scan::global): Likewise.
6254         (Target_arm::Relocate::relocate): Likewise.
6255         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6256         Likewise.
6257
6258 2010-01-14  Doug Kwan  <dougkwan@google.com>
6259
6260         * arm.cc (map, utility): Include headers.
6261         (Target_arm::apply_cortex_a8_workaround): New method.
6262         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6263         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6264         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6265         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6266         the --[no-]fix-cortex-a8 command line options.
6267         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6268         (Target_arm::relocate_stub): Use addend in instruction template.
6269         * options.h (DEFINE_bool): Set the user-set flag.
6270         (General_options): Add --[no-]-fix-cortex options.
6271         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6272         : Update fast look-up map after conversion.
6273
6274 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6275
6276         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6277         in the first pass of do_layout.
6278
6279 2010-01-13  Doug Kwan  <dougkwan@google.com>
6280
6281         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6282         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6283         apparent compiler problem of not folding static constant integral
6284         data members of elfcpp::Elf_sizes<32>.
6285
6286 2010-01-13  Doug Kwan  <dougkwan@google.com>
6287
6288         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6289         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6290         Arm_relobj::scan_section_for_cortex_a8_erratum,
6291         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6292         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6293         sections to scan for relocation stubs into a new method
6294         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6295         relocation and Cortex-A8 stub scanning.
6296         (Target_arm::do_relax): Force stubs to be after stubbed sections
6297         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6298         the beginning of a new relaxation pass.  Update a comment.
6299         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6300
6301 2010-01-12  Ian Lance Taylor  <iant@google.com>
6302
6303         * target-reloc.h (visibility_error): New inline function.
6304         (relocate_section): Call visibility_error.
6305         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6306         (MOSTLYCLEANFILES): Likewise.
6307         (protected_4_pic.o, protected_3.err): New targets.
6308         * testsuite/protected_4.cc: New file.
6309
6310 2010-01-12  Doug Kwan  <dougkwan@google.com>
6311
6312         * arm.cc (Cortex_a8_reloc): New class.
6313         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6314         and cortex_a8_relocs_info_.
6315         (Target_arm::fix_cortex_a8): New method definition.
6316         (Target_arm::Cortex_a8_relocs_info): New type.
6317         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6318         New data member declarations.
6319         (Target_arm::scan_reloc_for_stub): Record information about
6320         relocations for THUMB branches that might be exempted from the
6321         Cortex-A8 workaround.
6322         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6323         at the beginning of a relaxation pass.
6324
6325 2010-01-12  Doug Kwan  <dougkwan@google.com>
6326
6327         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6328         (Arm_relobj::Mapping_symbol_position,
6329          Arm_reloj::Mapping_symbol_position_less,
6330          Arm_relobj::Mapping_symbols_info): New types.
6331         (Target_arm::is_mapping_symbol_name): New method definition.
6332         (Arm_relobj::do_count_local_symbols): Save information about mapping
6333         symbols.
6334
6335 2010-01-11  Doug Kwan  <dougkwan@google.com>
6336
6337         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6338         Arm_relocate_functions::thumb32_branch_upper,
6339         Arm_relocate_functions::thumb32_branch_lower,
6340         Arm_relocate_functions::thumb32_cond_branch_offset,
6341         Arm_relocate_functions::thumb32_cond_branch_upper,
6342         Arm_relocate_functions::thumb32_cond_branch_lower,
6343         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6344         branch offset encoding.
6345         (Arm_relocate_functions::thumb_branch_common): Use new branch
6346         offset encoding methods to avoid code duplication.
6347         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6348         (Stub_addend_reader::operator()): Use new branch encoding method
6349         to avoid code duplication.
6350
6351 2010-01-11  Doug Kwan  <dougkwan@google.com>
6352
6353         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6354         (Target_arm::do_finalize_sections): Define special EXIDX section
6355         symbols only if referenced.
6356         * gc.h (Garbage_collection::add_reference): New method.
6357         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6358         code duplication.
6359
6360 2010-01-11  Ian Lance Taylor  <iant@google.com>
6361
6362         * script.cc (Version_script_info::build_expression_list_lookup):
6363         Change complaing about duplicate wildcard match from error to
6364         warning.
6365
6366         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6367         of 2009-12-30.
6368         (Version_script_info::Version_script_info): Initialize globs_,
6369         default_version_, default_is_global_, and exact_.  Don't
6370         initialize globals_ or locals_.
6371         (Version_script_info::build_lookup_tables): Build local symbols
6372         first.
6373         (Version_script_info::unquote): New function.
6374         (Version_script_info::add_exact_match): New function.
6375         (Version_script_info::build_expression_list_lookup): Remove lookup
6376         parameter.  Add is_global parameter.  Change all callers.  Handle
6377         wildcard pattern specially.  Unquote pattern.  Call
6378         add_exact_match.
6379         (Version_script_info::get_name_to_match): New function.
6380         (Version_script_info::get_symbol_version): New function.
6381         (Version_script_info::get_symbol_version_helper): Remove.
6382         (Version_script_info::check_unmatched_names): Call unquote.
6383         * script.h (class Version_script_info): Change get_symbol_version
6384         to be non-inline and add is_global parameter; change all callers.
6385         Rewrite symbol_is_local.  Update declarations.  Define struct
6386         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6387         Remove globals_ and locals_ members.  Add exact_, globs_,
6388         default_version_, is_global_.
6389         (Version_script_info::Glob): Remove pattern, add expression and
6390         is_global.  Update constructor.  Change all callers.
6391         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6392         default version.
6393         (Versions::symbol_section_contents): If a symbol is undefined, or
6394         defined in a dynamic object, set the version index to
6395         VER_NDX_LOCAL.
6396         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6397         symbol_is_local.
6398         (Symbol_table::add_from_pluginobj): Likewise.
6399         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6400
6401 2010-01-11  Doug Kwan  <dougkwan@google.com>
6402
6403         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6404         (incremental_dump_LDADD): Add linking option for libintl.
6405         * Makefile.in: Regenerate.
6406
6407 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6408
6409         PR gold/11144
6410         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6411         instead of -Ds.
6412         * testsuite/Makefile.in: Regenerated.
6413
6414 2010-01-10  Doug Kwan  <dougkwan@google.com>
6415
6416         * options.h (DEFINE_var): Use parentheses around argument varname__
6417         in macro body to avoid any unintended subsequent substitutions.
6418
6419 2010-01-10  Ian Lance Taylor  <iant@google.com>
6420
6421         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6422         candidates before doing symbol resolution.
6423
6424         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6425         ODR candidates if only one is weak.
6426
6427 2010-01-08  Ian Lance Taylor  <iant@google.com>
6428
6429         * script.cc (Version_script_info::build_expression_list_lookup):
6430         Don't warn about ambiguous version, just record the ambiguity.
6431         (Version_script_info::get_symbol_version_helper): Give error if
6432         version is ambiguous.
6433
6434 2010-01-08  Doug Kwan  <dougkwan@google.com>
6435
6436         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6437           prev_data_size_ and prev_addralign_.  Remove initializer for
6438           deleted data member has_been_changed_.
6439           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6440           to determine if the table is empty.
6441           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6442           Remove.
6443           (Stub_table::add_reloc_stub): Define method in class definition
6444           instead of just declaring it there.
6445           (Stub_table::add_cortex_a8_stub): New method definition.
6446           (Stub_table::update_data_size_and_addralign): Ditto.
6447           (Stub_table::finalize_stubs): Ditto.
6448           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6449           (Stub_table::do_addralign_): Return address alignment in the
6450           (Stub_table::do_reset_address_and_file_offset): Define method in
6451           class definition instead of declaring it there.  Set current data
6452           size to be the data size of the previous pass.
6453           (Stub_table::set_final_data_size): Use current data size as the
6454           final data size.
6455           (Stub_table::relocate_stub): Change parameter type of stub from
6456           Reloc_stub pointer to Stub pointer.
6457           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6458           (Stub_table::Cortex_a8_stub_list): New typedef.
6459           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6460            Stub_table::prev_addralign_): New data member.
6461           (Arm_relobj::Arm_relobj): Initialize data member
6462           section_has_cortex_a8_workaround_.
6463           (Arm_relobj::section_has_cortex_a8_workaround,
6464            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6465            definitions.
6466           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6467           declarations.
6468           (Target_arm::relocate_stub): Change parameter type of stub from
6469           Reloc_stub pointer to Stub pointer.
6470           (Insn_template::size, Insn_template::alignment): Handle
6471           THUMB16_SPECIAL_TYPE.
6472           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6473            Stub_table::update_data_size_and_addralign,
6474            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6475           definitions.
6476           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6477           (Stub_table::do_write): Ditto.
6478           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6479
6480 2010-01-08  Ian Lance Taylor  <iant@google.com>
6481
6482         PR 11108
6483         * symtab.h (class Symbol): Remove fields is_target_special_ and
6484         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6485         (Symbol::is_defined_in_discarded_section): New function.
6486         (Symbol::set_is_defined_in_discarded_section): New function.
6487         (Symbol::has_plt_offset): Rewrite.
6488         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6489         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6490         Don't initialize is_target_special_ or has_plt_offset_.
6491         Initialize is_defined_in_discarded_section_.
6492         (Symbol_table::add_from_relobj): If appropriate, set
6493         is_defined_in_discarded_section.
6494         * resolve.cc (Symbol::override_base_with_special): Don't test
6495         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6496         * target-reloc.h (relocate_section): Do special handling for
6497         symbols defined in discarded sections for global symbols as well
6498         as local symbols.
6499
6500 2010-01-08  Ian Lance Taylor  <iant@google.com>
6501
6502         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6503         the SHT_SYMTAB case.
6504
6505 2010-01-08  Ian Lance Taylor  <iant@google.com>
6506
6507         * object.cc (Sized_relobj::do_layout): Don't get confused if
6508         layout_eh_frame returns NULL.
6509
6510 2010-01-08  Ian Lance Taylor  <iant@google.com>
6511
6512         PR 11084
6513         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6514         dynamic symbol table, use the normal symbol table.
6515         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6516         symbol table.
6517
6518 2010-01-08  Ian Lance Taylor  <iant@google.com>
6519
6520         PR 11072
6521         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6522         sections.
6523
6524 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6525
6526         * version.cc (print_version): Change to "Copyright 2010".
6527
6528 2010-01-08  Ian Lance Taylor  <iant@google.com>
6529
6530         PR 10287
6531         PR 11063
6532         * i386.cc (class Target_i386): Change return type of plt_section
6533         to be non-const.
6534         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6535         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6536         tls_desc_rel_ field.
6537         (Output_data_plt_i386::rel_tls_desc): New function.
6538         (Target_i386::rel_tls_desc_section): New function.
6539         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6540         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6541         R_386_TLS_DESC reloc in rel_tls_desc_section.
6542         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6543         Define struct Tlsdesc_info.
6544         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6545         (Target_x86_64::do_reloc_symbol_index): New function.
6546         (Target_x86_64::add_tlsdesc_info): New function.
6547         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6548         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6549         tlsdesc_rel_ field.
6550         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6551         all callers.
6552         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6553         (Target_x86_64::rela_tlsdesc_section): New function.
6554         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6555         handling.
6556         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6557         (Target_x86_64::do_reloc_addend): New function.
6558         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6559         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6560         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6561         (Output_reloc::type): New function.
6562         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6563         (Output_reloc::is_target_specific): New function.
6564         (Output_reloc::target_arg): New function.
6565         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6566         absolute relocs and target specific relocs.
6567         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6568         add_target_specific.
6569         (class Output_data_reloc) [SHT_RELA]: Likewise.
6570         * output.cc (Output_reloc::Output_reloc): Add four new versions
6571         for absolute relocs and target specific relocs.
6572         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6573         (Output_reloc::get_symbol_index): Likewise.
6574         (Output_reloc::local_section_offset): Check that local_sym_index_
6575         is not TARGET_CODE or 0.
6576         (Output_reloc::symbol_value): Likewise.
6577         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6578         reloc.
6579         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6580         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6581         functions.
6582         * layout.cc (add_target_dynamic_tags): Use output section for
6583         DT_PLTRELSZ and DT_JMPREL.
6584
6585 2010-01-07  Ian Lance Taylor  <iant@google.com>
6586
6587         PR 11061
6588         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6589         function.
6590         (class Output_data_reloc_generic): Define.
6591         (class Output_data_reloc_base): Change base class to
6592         Output_data_reloc_generic.  Change add() method to call
6593         bump_relative_reloc_count for a relative reloc.  Remove
6594         sort_relocs_ field.
6595         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6596         to sort_relocs().
6597         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6598         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6599         appropriate.
6600         * layout.h (class Layout): Update declaration.
6601
6602 2010-01-07  Ian Lance Taylor  <iant@google.com>
6603
6604         * output.h (class Output_data): Add const version of
6605         output_section and do_output_section.
6606         (class Output_section_data): Add const version of
6607         do_output_section.
6608         (class Output_section): Likewise.
6609         * layout.cc (Layout::add_target_dynamic_tags): New function.
6610         * layout.h (class Layout): Update declarations.
6611         * arm.cc (Target_arm::do_finalize_sections): Use
6612         add_target_dynamic_tags.
6613         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6614         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6615         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6616         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6617
6618 2010-01-07  Ian Lance Taylor  <iant@google.com>
6619
6620         PR 11042
6621         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6622         object as needed.
6623
6624 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6625             Ian Lance Taylor  <iant@google.com>
6626
6627         PR 11019
6628         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6629         Xindex::read_symtab_xindex.
6630
6631 2010-01-07  Doug Kwan  <dougkwan@google.com>
6632
6633         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6634         (Insn_template::thumb16_bcond_insn): New method declaration.
6635         (Insn_template): Fix spelling.
6636         (Stub::thumb16_special): New method declaration.
6637         (Stub::do_write): Define virtual method which was previously pure
6638         virtual.
6639         (Stub::do_thumb16_special): New method declaration.
6640         (Stub::do_fixed_endian_write): New template member.
6641         (Reloc_stub::do_write): Remove.
6642         (Reloc_stub::do_fixed_endian_write): Remove.
6643         (Cortex_a8_stub): New class definition.
6644         (Stub_factory::make_cortex_a8_stub): New method definition.
6645         (Stub_factory::Stub_factory): Add missing static storage class
6646         qualifier for elf32_arm_stub_a8_veneer_blx.
6647
6648 2010-01-07  Ian Lance Taylor  <iant@google.com>
6649
6650         PR 10980
6651         * options.h (class General_options): Add --warn-unresolved-symbols
6652         and --error-unresolved-symbols.
6653         * errors.cc (Errors::undefined_symbol): Implement
6654         --warn-unresolved-symbols.
6655
6656         * options.h (class General_options): Add -z text and -z textoff.
6657         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6658
6659 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6660
6661         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6662         (Garbage_collection::cident_sections): New function.
6663         (Garbage_collection::add_cident_section): New function.
6664         (Garbage_collection::cident_sections_): New member.
6665         (gc_process_relocs): Add references to sections whose names are C
6666         identifiers.
6667         * gold.h (cident_section_start_prefix): New constant.
6668         (cident_section_stop_prefix): New constant.
6669         (is_cident): New function.
6670         * layout.cc (Layout::define_section_symbols): Replace string constants
6671         with the newly defined constants.
6672         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6673         C identifiers.
6674         * testsuite/Makefile.am: Add gc_orphan_section_test.
6675         * testsuite/Makefile.in: Regenerate.
6676         * testsuite/gc_orphan_section_test.cc: New file.
6677         * testsuite/gc_orphan_section_test.sh: New file.
6678
6679 2010-01-06  Ian Lance Taylor  <iant@google.com>
6680
6681         PR 10980
6682         * options.h (class General_options): Add --warn-shared-textrel.
6683         * layout.cc (Layout::finish_dynamic_section): Implement
6684         --warn-shared-textrel.
6685
6686         PR 10980
6687         * options.h (class General_options): Add --warn-multiple-gp.
6688
6689 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6690
6691         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6692         $(THREADSLIB) and $(LIBDL).
6693         * Makefile.in: Rebuild.
6694
6695 2010-01-06  Ian Lance Taylor  <iant@google.com>
6696
6697         PR 10980
6698         * options.cc (General_options::parse_section_start): New function.
6699         (General_options::section_start): New function.
6700         (General_options::General_options): Initialize all members.
6701         * options.h: Include <map>
6702         (class General_options): Add --section-start.  Add section_starts_
6703         member.
6704         * layout.cc (Layout::attach_allocated_section_to_segment): If
6705         --section-start was used, set the address of the segment.  Remove
6706         local sort_sections.
6707         (Layout::relaxation_loop_body): If the address of the load segment
6708         has been set by --section-start, don't use it.
6709         * output.h (Output_segment::update_flags_for_output_section): New
6710         function.
6711         * output.cc (Output_segment::add_output_section): Call
6712         update_flags_for_output_section.
6713
6714 2010-01-05  Ian Lance Taylor  <iant@google.com>
6715
6716         PR 10980
6717         * options.h (class General_options): Add --undefined-version.
6718         * script.cc (struct Version_expression): Add was_matched_by_symbol
6719         field.
6720         (Version_script_info::matched_symbol): New function.
6721         (Version_script_info::get_symbol_version_helper): Call
6722         matched_symbol.
6723         (Version_script_info::check_unmatched_names): New function.
6724         * script.h (class Version_script_info): Update declarations.
6725         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6726
6727         * options.h (class General_options): Use DEFINE_bool_alias for
6728         allow_multiple_definition.
6729         * resolve.cc (Symbol_table::should_override): Don't test
6730         allow_multiple_definition.
6731
6732         PR 10980
6733         * options.h (class General_options): Add --cref.
6734         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6735         until after printing cref table.
6736         * cref.cc: Include "symtab.h".
6737         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6738         (Cref_table_compare::operator()): New function.
6739         (Cref_inputs::gather_cref): New function.
6740         (filecol): New static const.
6741         (Cref_inputs::print_cref): New function.
6742         (Cref::print_cref): New function.
6743         * cref.h: Include <cstdio>.
6744         (class Cref): Update declarations.
6745         * mapfile.h (Mapfile::file): New function.
6746         * object.h (class Object): Define Symbols.  Declare virtual
6747         do_get_global_symbols.
6748         (Object::get_global_symbols): New function.
6749         * object.cc (Input_objects::add_object): Pass object to cref_ if
6750         --cref.
6751         (Input_objects::archive_start): Likewise.
6752         (Input_objects::archive_stop): Likewise.
6753         (Input_objects::print_cref): New function.
6754         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6755         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6756         --cref.
6757         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6758         function.
6759         * plugin.h (class Sized_pluginobj): Update declarations.
6760
6761 2010-01-05  Ian Lance Taylor  <iant@google.com>
6762
6763         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6764         to is_default_version.  Rename insdef to insdefault.
6765         (Symbol_table::add_from_relobj): Rename def to is_default_version
6766         and local to is_forced_local.
6767         (Symbol_table::add_from_pluginobj): Likewise.
6768         (Symbol_table::add_from_dynobj): Likewise.
6769         (Symbol_table::define_special_symbol): Rename insdef to
6770         insdefault.
6771
6772 2010-01-04  Ian Lance Taylor  <iant@google.com>
6773
6774         PR 10980
6775         * options.h (class General_options): Add
6776         --allow-multiple-definition and -z muldefs.
6777         * resolve.cc (Symbol_table::should_override): Don't warn about a
6778         multiple symbol definition if --allow-multiple-definition or -z
6779         muldefs.
6780
6781         PR 10980
6782         * options.h (class General_options): Add --add-needed and
6783         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6784         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6785         error if --copy-dt-needed-entries aka --add-needed is used and
6786         would cause a change in behaviour.
6787
6788         PR 10980
6789         * options.h (class General_options): Add -G as a short version of
6790         --shared.  Add no-op options -assert, -g, and -i.
6791
6792 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6793
6794         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6795         check for .text or .gnu.linkonce.t sections.
6796         * icf.cc (Icf::find_identical_sections): Ditto.
6797         Change the detection for mangled function name within the section
6798         name.
6799         * icf.h (is_section_foldable_candidate): New function.
6800
6801 2009-12-30  Ian Lance Taylor  <iant@google.com>
6802
6803         PR 10980
6804         * options.h (class General_options): Permit two dashes with
6805         --retain-symbols-file.
6806
6807 2009-12-30  Ian Lance Taylor  <iant@google.com>
6808
6809         PR 10979
6810         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6811         don't put the file header and segment headers in the text
6812         segment.
6813
6814         PR 10979
6815         * common.cc (Sort_commons::operator()): Stabilize sort when both
6816         entries are NULL.
6817         (Symbol_table::do_allocate_commons_list): When allocating common
6818         symbols, skip a symbol which is no longer common.
6819         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6820         an object before checking its type.
6821         * testsuite/common_test_2.c: New file.
6822         * testsuite/common_test_3.c: New file.
6823         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6824         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6825         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6826         (common_test_2_pic.o, common_test_2.so): New targets.
6827         (common_test_3_pic.o, common_test_3.so): New targets.
6828         * testsuite/Makefile.in: Rebuild.
6829
6830         PR 10979
6831         * script.cc (read_input_script): If we see a new SECTIONS clause,
6832         and we have added an input section, give an error.
6833         * layout.h (class Layout): Add have_added_input_section function.
6834         Add have_added_input_section_ field.
6835         * layout.cc (Layout::Layout): Initialize
6836         have_added_input_section_.
6837         (Layout::layout): Set have_added_input_section_.
6838         (Layout::layout_eh_frame): Likewise.
6839
6840 2009-12-30  Ian Lance Taylor  <iant@google.com>
6841
6842         PR 10931
6843         * options.h (class General_options): Add --sort-common option.
6844         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6845         * common.cc (Sort_common): Add sort_order parameter to
6846         constructor.  Add sort_order_ field.
6847         (Sort_commons::operator): Check sort_order_.
6848         (Symbol_table::allocate_commons): Determine the sort order.
6849         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6850         Change all callers.
6851         (Symbol_table::do_allocate_commons_list): Likewise.
6852
6853 2009-12-30  Ian Lance Taylor  <iant@google.com>
6854
6855         PR 10916
6856         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6857         symbols from this object, don't change the visibility of an
6858         undefined symbol.
6859         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6860
6861 2009-12-30  Ian Lance Taylor  <iant@google.com>
6862
6863         PR 10861
6864         * script.h (class Version_script_info): Define Language enum.
6865         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6866         new fields globals_, locals_, and is_finalized_.
6867         * script.cc: Various formatting fixes.
6868         (class Parser_closure): Change language_stack_ from a vector of
6869         std::string to one of Version_script_info::Language.  Adjust all
6870         uses accordingly.
6871         (class Lazy_demangler): Remove.
6872         (struct Version_expression): Change language from std::string to
6873         Version_script_info::Language.
6874         (Version_script_info::Version_script_info): New function.
6875         (Version_script_info::~Version_script_info): Don't call clear.
6876         (Version_script_info::finalize): New function.
6877         (Version_script_info::build_lookup_tables): New function.
6878         (Version_script_info::build_expression_list_lookup): New
6879         function.
6880         (Version_script_info::get_symbol_version_helper): Rewrite to use
6881         lookup tables.
6882         (Version_script_info::print_expression_list): Adjust to use
6883         Version_script_info::Language.
6884         (script_push_lex_into_version_mode): Check that the version script
6885         has not been finalized.
6886         (version_script_push_lang): Change language string to
6887         Version_script_info::Language.
6888         * options.cc (Command_line::version_script): New function.
6889         * options.h (class General_options): Add finalize_dynamic_list
6890         function.  Change version_script from declaration to definition.
6891         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6892         * testsuite/version_script.map: Remove duplicate def of foo.
6893         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6894         version_script.map.
6895         * testsuite/Makefile.in: Rebuild.
6896
6897 2009-12-30  Ian Lance Taylor  <iant@google.com>
6898
6899         PR 10843
6900         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6901         if the input symbol index is 0, make the output symbol index 0.
6902
6903 2009-12-30  Ian Lance Taylor  <iant@google.com>
6904
6905         PR 10670
6906         * options.h (class General_options): Add -x/--discard-all.
6907         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6908         --discard-all.  If the local symbol needs a dynamic entry, check
6909         that before handling --discard-locals.
6910
6911 2009-12-30  Ian Lance Taylor  <iant@google.com>
6912
6913         PR 10450
6914         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6915         flags to PF_R.
6916         (Output_segment::add_output_section): Don't change the flags if
6917         the type is PT_TLS.
6918
6919         PR 10450
6920         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6921         GNU hash table if they need a dynamic value.  Otherwise, don't add
6922         them if they are defined in a dynamic object or are forced local.
6923
6924 2009-12-29  Ian Lance Taylor  <iant@google.com>
6925
6926         PR 10450
6927         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6928         .gnu.hash table for a 32-bit target.
6929
6930         PR 10450
6931         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6932         regular and a dynamic object only needs a dynamic symbol table
6933         entry if it is externally visible.
6934
6935         PR 10450
6936         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6937         constructor.  Add global_offset_table_ field.
6938         (Target_i386::got_section): Set global_offset_table_.
6939         (Target_i386::do_finalize_sections): Set global_offset_table_
6940         size.
6941         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6942         in constructor.  Add global_offset_table_ field.
6943         (Target_x86_64::got_section): Set global_offset_table_.
6944         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6945         size.
6946
6947         * layout.cc (Layout::Layout): Initialize increase_relro_.
6948         (Layout::get_output_section): Add is_relro, is_last_relro, and
6949         is_first_non_relro parameters.  Change all callers.
6950         (Layout::choose_output_section): Likewise.
6951         (Layout::add_output_section_data): Likewise.
6952         (Layout::make_output_section): Likewise.
6953         (Layout::set_segment_offsets): Clear increase_relro when using a
6954         linker script.
6955         * layout.h (class Layout): Add increase_relro method.  Add
6956         increase_relro_ field.  Update declarations.
6957         * output.cc (Output_section::Output_section): Initialize
6958         is_last_relro_ and is_first_non_relro_.
6959         (Output_segment::add_output_section): Group relro sections is
6960         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6961         (Output_segment::maximum_alignment): Remove relro handling.
6962         (Output_segment::set_section_addresses): Add increase_relro
6963         parameter.  Change all callers.  Add initial alignment to align
6964         relro sections on separate page.  Remove old relro handling.
6965         (Output_segment::set_section_list_addresses): Remove in_relro
6966         parameter.  Change all callers.
6967         (Output_segment::set_offset): Add increase parameter.  Change all
6968         callers.  Remove old relro handling.
6969         * output.h (class Output_section): Add new methods: is_last_relro,
6970         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6971         Add is_last_relro_ and is_first_non_relro_ fields.
6972         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6973         Create separate .got.plt section.  Call increase_relro.
6974         * x86_64.cc (Target_x86_64::got_section): Likewise.
6975         * testsuite/relro_script_test.t: Add .got.plt.
6976
6977         PR 10450
6978         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6979         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6980         (Layout::finalize): Call set_dynamic_symbol_size.
6981         (Layout::set_dynamic_symbol_size): New function.
6982         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6983         set_dynamic_symbol_size.
6984
6985         PR 10450
6986         * output.h (class Output_section): Add is_entsize_zero_ field.
6987         * output.cc (Output_section::Output_section): Initialize
6988         is_entsize_zero_.
6989         (Output_section::set_entsize): If two different entsizes are
6990         requested, force it to zero.
6991         (Output_section::add_input_section): Set flags for .debug_str
6992         before updating section flags.  Set entsize.
6993         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6994         and SHF_STRING if all input sections have those flags.
6995
6996 2009-12-29   Rafael Espindola  <espindola@google.com>
6997
6998         * main.cc (main): Fix the sys time reporting.
6999         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
7000         reporting.
7001
7002 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
7003
7004         * options.cc (General_options::parse_version): Allow -v to exit
7005         without an error if there is nothing to link.
7006
7007 2009-12-29  Ian Lance Taylor  <iant@google.com>
7008
7009         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
7010         using a version of gcc before 4.1.
7011         * configure: Rebuild.
7012
7013 2009-12-28  Chris Demetriou  <cgd@google.com>
7014
7015         * attributes.cc (Output_attributes_section_data::do_write): Use
7016         std::vector::front rather than std::vector::data.
7017
7018 2009-12-28  Ian Lance Taylor  <iant@google.com>
7019
7020         * symtab.h (class Symbol_table): Add enum Defined.
7021         * resolve.cc (Symbol_table::should_override): Add defined
7022         parameter.  Change all callers.  Test whether object is NULL
7023         before calling a method on it.
7024         (Symbol_table::report_resolve_problem): Add defined parameter.
7025         Change all callers.
7026         (Symbol_table::should_override_with_special): Likewise.
7027         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7028         parameter.  Change all callers.
7029         (Symbol_table::do_define_in_output_data): Likewise.
7030         (Symbol_table::define_in_output_segment): Likewise.
7031         (Symbol_table::do_define_in_output_segment): Likewise.
7032         (Symbol_table::define_as_constant): Likewise.
7033         (Symbol_table::do_define_as_constant): Likewise.
7034         * script.h (class Symbol_assignment): Add is_defsym parameter to
7035         constructor; change all callers.
7036         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7037         parameter.  Change all callers.  Add is_defsym_ field.
7038         (class Parser_closure): Add parsing_defsym parameter to
7039         constructor; change all callers.  Add parsing_defsym accessor
7040         function.  Add parsing_defsym_ field.
7041
7042 2009-12-28  Ian Lance Taylor  <iant@google.com>
7043
7044         * gold.cc (queue_middle_tasks): Fix formatting.
7045         * object.cc (Relobj::is_section_name_included): Likewise.
7046
7047 2009-12-23  Ian Lance Taylor  <iant@google.com>
7048
7049         * i386.cc (Target_i386::do_calls_non_split): Recognize
7050         -fsplit-stack prologue for a function with a static chain.
7051         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7052         -fsplit-stack prologue when using %r11.
7053
7054 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7055
7056         * options.cc (General_options::parse_version): Make -v continue and do
7057         the link like GNU ld does.
7058
7059 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7060
7061         * Makefile.am (CCFILES): Add timer.cc.
7062         (HFILES): Add timer.h.
7063         * configure.ac: Check for sysconf and times.
7064         * main.cc: include timer.h.
7065         (main): Use Timer instead of get_run_time.
7066         * timer.cc: New.
7067         * timer.h: New.
7068         * workqueue.cc: include timer.h.
7069         (Workqueue::find_and_run_task):
7070         Report user, sys and wall time.
7071         * Makefile.in: Regenerate.
7072         * config.in: Regenerate.
7073         * configure: Regenerate.
7074
7075 2009-12-16  Doug Kwan  <dougkwan@google.com>
7076
7077         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7078         sections.
7079         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7080         relaxed input sections.
7081         * output.cc (Output_section::find_relaxed_input_section): Change
7082         return type to Output_relaxed_input_section pointer.  Adjust code
7083         for new type of relaxed_input_section_map_.
7084         * output.h (Output_section::find_relaxed_input_section): Change
7085         return type to Output_relaxed_input_section pointer.
7086         (Output_section::Output_relaxed_input_section_by_input_section_map):
7087         New type.
7088         (Output_section::relaxed_input_section_map_): Change type to
7089         Output_section::Output_relaxed_input_section_by_input_section_map.
7090         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7091         input section.
7092
7093 2009-12-15  Ian Lance Taylor  <iant@google.com>
7094
7095         * layout.cc (Layout::create_shstrtab): Only write out after input
7096         sections if we are compressing debug sections.
7097
7098 2009-12-15  Ian Lance Taylor  <iant@google.com>
7099
7100         * archive.cc (Archive::add_symbols): Only look up a symbol without
7101         a version if there is, in fact, a version.
7102
7103 2009-12-14  Ian Lance Taylor  <iant@google.com>
7104
7105         Revert -Wshadow changes, all changes from:
7106         2009-12-11  Doug Kwan  <dougkwan@google.com>
7107         2009-12-11  Nick Clifton  <nickc@redhat.com>
7108         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7109
7110 2009-12-11  Doug Kwan  <dougkwan@google.com>
7111
7112         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7113         due to -Wshadow.
7114         * attributes.cc (Object_attribute::size): Ditto.
7115         (Attributes_section_data::size): Ditto.
7116         (Attributes_section_data::Attributes_section_data): Ditto.
7117         (Output_attributes_section_data::do_write): Ditto.
7118         * attributes.h (Object_attribute::set_type): Ditto.
7119         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7120
7121 2009-12-11  Nick Clifton  <nickc@redhat.com>
7122
7123         * archive.cc: Fix shadowed variable warnings.
7124         * arm.cc: Likewise.
7125         * compressed_output.cc: Likewise.
7126         * compressed_output.h: Likewise.
7127         * configure: Likewise.
7128         * dwarf_reader.cc: Likewise.
7129         * dynobj.cc: Likewise.
7130         * dynobj.h: Likewise.
7131         * ehframe.cc: Likewise.
7132         * ehframe.h: Likewise.
7133         * errors.cc: Likewise.
7134         * expression.cc: Likewise.
7135         * fileread.cc: Likewise.
7136         * fileread.h: Likewise.
7137         * freebsd.h: Likewise.
7138         * i386.cc: Likewise.
7139         * icf.cc: Likewise.
7140         * incremental.h: Likewise.
7141         * layout.cc: Likewise.
7142         * layout.h: Likewise.
7143         * mapfile.cc: Likewise.
7144         * merge.cc: Likewise.
7145         * merge.h: Likewise.
7146         * object.cc: Likewise.
7147         * object.h: Likewise.
7148         * options.h: Likewise.
7149         * output.cc: Likewise.
7150         * output.h: Likewise.
7151         * parameters.cc: Likewise.
7152         * plugin.cc: Likewise.
7153         * powerpc.cc: Likewise.
7154         * reduced_debug_output.cc: Likewise.
7155         * reduced_debug_output.h: Likewise.
7156         * reloc.cc: Likewise.
7157         * reloc.h: Likewise.
7158         * resolve.cc: Likewise.
7159         * script-sections.cc: Likewise.
7160         * script.cc: Likewise.
7161         * script.h: Likewise.
7162         * sparc.cc: Likewise.
7163         * symtab.cc: Likewise.
7164         * symtab.h: Likewise.
7165         * target-select.cc: Likewise.
7166         * target-select.h: Likewise.
7167         * token.h: Likewise.
7168         * workqueue.cc: Likewise.
7169         * workqueue.h: Likewise.
7170         * x86_64.cc: Likewise.
7171
7172 2009-12-10  Doug Kwan  <dougkwan@google.com>
7173
7174         * arm.cc (attributes.h): New include.
7175         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7176         (Arm_relobj::~Arm_relobj): Delete object pointed by
7177         attributes_section_data_.
7178         (Arm_relobj::attributes_section_data): New method definition.
7179         (Arm_relobj::attributes_section_data_): New data member declaration.
7180         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7181         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7182         attributes_section_data_.
7183         (Arm_dynobj::attributes_section_data): New method definition.
7184         (Arm_dynobj::attributes_section_data_): New data member declaration.
7185         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7186         initialization value of may_use_blx_ to false.
7187         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7188         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7189         object attributes to compute results instead of hard-coding.
7190         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7191         Target_arm::get_secondary_compatible_arch,
7192         Target_arm::set_secondary_compatible_arch
7193         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7194         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7195         New method declarations.
7196         (Target_arm::get_aeabi_object_attribute): New method definition.
7197         (Target_arm::attributes_section_data_): New data member declaration.
7198         (read_arm_attributes_section): New template definition.
7199         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7200         (Arm_dynobj::do_read_symbols): Ditto.
7201         (Target_arm::do_finalize_sections): Merge attributes sections from
7202         input.  Check for BLX use after attributes section merging.
7203         Fix __exidx_start and __exidx_end visibility.  Create an
7204         .ARM.attributes section if necessary.
7205         (Target_arm::get_secondary_compatible_arch,
7206         Target_arm::set_secondary_compatible_arch,
7207         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7208         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7209         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7210         New method definitions.
7211
7212 2009-12-09  Ian Lance Taylor  <iant@google.com>
7213
7214         * plugin.cc (Plugin::load): Don't cast from void* to a function
7215         pointer.
7216
7217 2009-12-09  Ian Lance Taylor  <iant@google.com>
7218
7219         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7220         information fields.
7221
7222 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7223
7224         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7225         Replace two_file_shared_1.so with two_file_shared_2.so.
7226         * testsuite/Makefile.in: Regenerated.
7227
7228 2009-12-08  Doug Kwan  <dougkwan@google.com>
7229
7230         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7231         (HFILES): Add attributes.h and int_encoding.h.
7232         * Makefile.in: Regenerate.
7233         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7234         function definitions to int_encoding.cc
7235         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7236         prototypes to int_encoding.h
7237         * reduced_debug_output.cc (int_encoding.h): New include.
7238         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7239         function definitions to int_encoding.cc
7240         (insert_into_vector, read_from_pointer): Move template definitions to
7241         int_encoding.h
7242         * attributes.cc: New file.
7243         * attributes.h: New file.
7244         * int_encoding.cc: New file.
7245         * int_encoding.h: New file.
7246
7247 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7248
7249         PR gold/11055
7250         * incremental-dump.cc (dump_incremental_inputs): New.
7251         (main): Use dump_incremental_inputs.
7252
7253 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7254
7255         PR gold/10893
7256         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7257         checking elfcpp::STT_FUNC.
7258         (Target_i386::Relocate::relocate): Likewise.
7259         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7260
7261         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7262         symbols from shared libraries into normal FUNC symbols.
7263
7264         * symtab.h (Symbol): Add is_func and use it.
7265
7266 2009-12-05  Doug Kwan  <dougkwan@google.com>
7267
7268         * arm.cc (Target_arm::arm_info): Initialize new fields
7269         attributes_section and attributes_vendor.
7270         * i386.cc (Target_i386::i386_info): Same.
7271         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7272         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7273         fields attributes_section and attributes_vendor.
7274         * sparc.cc (Target_sparc::sparc_info): Same.
7275         * target.h (Target::attributes_section, Target::attributes_vendor,
7276         Target::is_attributes_section, Target::attribute_arg_type,
7277         Target::attributes_order): New method definitions.
7278         (Target::Target_info::attributes_section,
7279         Target::Target_info::attributes_vendor): New fields.
7280         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7281         virtual method definitions.
7282         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7283         attributes_section and attributes_vendor.
7284         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7285
7286 2009-12-05  Doug Kwan  <dougkwan@google.com>
7287
7288         * arm.cc: Update comments about interworking and stub generation.
7289         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7290         considered as non-PIC.
7291         (Arm_relocate_functions::base_abs): Fix formatting.
7292         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7293         of function to use GOT entry address instead of offset.
7294         (Target_arm::Scan::global): Issue an error if a symbol would need a
7295         PLT does not get one because it is untyped.  Remove code to create
7296         dynamic symbols for relative branches.
7297         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7298         takes unsigned integer instead of boolean.
7299
7300 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7301
7302         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7303         (two_file_test_LDADD): Likewise.
7304         (common_test_1_LDADD): Likewise.
7305         (exception_test_LDADD) Likewise.
7306         (weak_test_LDADD): Likewise.
7307         (many_sections_test_LDADD): Likewise.
7308         (initpri1_LDADD): Likewise.
7309         (script_test_1_LDADD): Likewise.
7310         (script_test_2_LDADD): Likewise.
7311         (justsyms_LDADD): Likewise.
7312         (binary_test_LDADD): Likewise.
7313         (large_LDADD): Likewise.
7314         * testsuite/Makefile.in: Regenerated.
7315
7316 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7317
7318         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7319         (Symbol_table::override_with_special): Likewise.
7320         (Symbol_table::add_from_object): Likewise.
7321
7322 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7323
7324         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7325         Don't set the data_offset twice.
7326
7327 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7328
7329         * testsuite/Makefile.in: Regenerate.
7330
7331 2009-12-03  Doug Kwan  <dougkwan@google.com>
7332
7333         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7334         (Target_arm::do_finalize_sections): Add parameter for symbol table
7335         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7336         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7337         parameter for symbol table pointer.
7338         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7339         an additional parameter for a pointer to symbol table.
7340         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7341         parameter for a symbol table pointer.
7342         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7343         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7344         Ditto.
7345         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7346         parameter for a symbol table pointer.
7347
7348 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7349
7350         * incremental.cc (Incremental_inputs_header)
7351         (Incremental_inputs_header_write, Incremental_inputs_entry)
7352         (Incremental_inputs_entry_write): Move ...
7353         * incremental.h (Incremental_inputs_header)
7354         (Incremental_inputs_header_write, Incremental_inputs_entry)
7355         (Incremental_inputs_entry_write): here.
7356
7357 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7358
7359         * incremental.cc (make_sized_incremental_binary): Set the target.
7360         Error if it is incompatible.
7361         * output.h (Output_file): Add filename method.
7362
7363 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7364
7365         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7366         from the get_* methods.
7367
7368 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7369
7370         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7371         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7372         Write 0 for the data_offset of scripts.
7373
7374 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7375
7376         * testsuite/Makefile.am: Add the incremental_test.sh test.
7377         * testsuite/incremental_test.sh: New.
7378         * testsuite/incremental_test_1.c: New.
7379         * testsuite/incremental_test_2.c: New.
7380
7381 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7382
7383        * incremental-dump.cc (main): Fix typos.
7384
7385 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7386
7387         PR gold/11025
7388         * incremental-dump.cc (main): Use llu to print 64 bit values.
7389
7390 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7391             H.J. Lu  <hongjiu.lu@intel.com>
7392
7393         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7394         $(LIBDL).
7395         (incremental_dump_LDADD): Likewise.
7396         * Makefile.in: Regenerated.
7397
7398 2009-11-25  Doug Kwan  <dougkwan@google.com>
7399
7400         Revert:
7401
7402         2009-11-25  Doug Kwan  <dougkwan@google.com>
7403
7404                 * arm.cc (Target_arm::Target_arm): Move method definition
7405                 outside of class definition.  Add code to handle
7406                 --target1-rel, --target1-abs and --target2= options.
7407                 (Target_arm::get_reloc_reloc_type): Change method to be
7408                 non-static and const.
7409                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7410                 New data member declaration.
7411                 (Target_arm::Scan::local, Target_arm::Scan::global,
7412                 Target_arm::Relocate::relocate,
7413                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7414                 Adjust call to Target_arm::get_real_reloc_type.
7415                 (Target_arm::get_real_reloc_type): Use command line options
7416                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7417                 * options.h (--target1-rel, --target1-abs, --target2): New
7418                 ARM-only options.
7419
7420 2009-11-25  Doug Kwan  <dougkwan@google.com>
7421
7422         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7423         class definition.  Add code to handle --target1-rel, --target1-abs
7424         and --target2= options.
7425         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7426         and const.
7427         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7428         member declaration.
7429         (Target_arm::Scan::local, Target_arm::Scan::global,
7430         Target_arm::Relocate::relocate,
7431         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7432         call to Target_arm::get_real_reloc_type.
7433         (Target_arm::get_real_reloc_type): Use command line options to
7434         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7435         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7436         options.
7437
7438 2009-11-25  Doug Kwan  <dougkwan@google.com>
7439
7440         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7441         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7442         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7443         formatting.
7444         (Arm_relocate_functions::thm_call): Replace body with a call to
7445         Arm_relocate_functions::thumb_branch_common.
7446         (Arm_relocate_functions::thm_jump24,
7447         Arm_relocate_functions::thm_xpc22): New method definitions.
7448         (Arm_relocate_functions::thumb_branch_common): New method definition.
7449         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7450         operator.
7451         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7452         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7453
7454 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7455
7456         * Makefile.am: Build incremental-dump
7457         * Makefile.in: Regenerate.
7458         * incremental-dump.cc: New.
7459         * incremental.cc (Incremental_inputs_header_data,
7460         Incremental_inputs_entry_data): Move to incremental.h
7461         * incremental.h: (Incremental_inputs_header_data,
7462         Incremental_inputs_entry_data): Move from incremental.cc
7463
7464 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7465
7466         * incremental.cc (Incremental_inputs_header,
7467         Incremental_inputs_header_write, Incremental_inputs_entry,
7468         Incremental_inputs_entry_write): Add a typedef with the data type.
7469
7470 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7471
7472         * incremental.cc (Incremental_inputs_header,
7473         Incremental_inputs_header_write, Incremental_inputs_entry,
7474         Incremental_inputs_entry_write): Update comment about which
7475         type has the filed descriptions.
7476
7477 2009-11-15  Doug Kwan  <dougkwan@google.com>
7478
7479         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7480         (Arm_relocate_functions::arm_branch_common): Change method defintion
7481         in class definition to a method declaration and update list of formal
7482         parameters.
7483         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7484         Arm_relocation_functions::jump24): Adjust call to
7485         Arm_relocate_functions::arm_branch_common.  Update list of formal
7486         parameters.
7487         (Arm_relocate_functions::xpc25): New method definition.
7488         (Arm_relocate_functions::arm_branch_common): Move method defintion
7489         out from class definition.  Use stubs for mode-switching and extending
7490         branch ranges.
7491         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7492         specially.  Change code to enable use of stubs in ARM branches.
7493
7494 2009-11-10  Doug Kwan  <dougkwan@google.com>
7495
7496         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7497         in method declaration.
7498         (Target_arm::relocate_stub): New method declaration.
7499         (Target_arm::default_target): Change to return a pointer instead of
7500         a const reference.
7501         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7502         Target_arm::default_target.
7503         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7504         method definition.
7505         (Target_arm::relocate_section): Adjust view.
7506         (Target_arm::relocate_stub): New method definition.
7507
7508 2009-11-10  Doug Kwan  <dougkwan@google.com>
7509
7510         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7511         a format warning.
7512         * incremental.cc (open_incremental_binary): Initialized local
7513         variables to avoid warnings.
7514         * object.cc (make_elf_object): Ditto.
7515         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7516         a format warning.
7517
7518 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7519
7520         PR gold/10930
7521         * testsuite/plugin_test.c: Include "config.h".
7522
7523 2009-11-09  Doug Kwan  <dougkwan@google.com>
7524
7525         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7526         (arm_symbol_value): Remove.
7527         (Arm_relocate_functions::arm_branch_common,
7528         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7529         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7530         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7531         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7532         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7533         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7534         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7535         Arm_relocate_functions::thm_mobw_abs_nc,
7536         Arm_relocate_functions::thm_mov_abs,
7537         Arm_relocate_functions::movw_prel_nc,
7538         Arm_relocate_functions::thm_movt_abs,
7539         Arm_relocate_functions::movt_prel,
7540         Arm_relocate_functions::thm_movw_prel_nc,
7541         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7542         (Target_arm::Relocate::relocate): Only decompose address into two
7543         parts if relocation type uses the thumb-bit and pass the actual
7544         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7545         calls to methods in Arm_relocate_functions for this change.
7546
7547 2009-11-08  Ian Lance Taylor  <iant@google.com>
7548
7549         PR 10925
7550         * reloc.cc: Instantiate
7551         Sized_relobj::initialize_input_to_output_maps and
7552         Sized_relobj:free_input_to_output_maps.
7553
7554 2009-11-06  Ian Lance Taylor  <iant@google.com>
7555
7556         PR 10876
7557         * defstd.cc (in_segment): Set only_if_ref true for "end".
7558
7559 2009-11-06  Doug Kwan  <dougkwan@google.com>
7560
7561         * arm.cc (class Reloc_stub): Correct a comment.
7562         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7563         (Target_arm::scan_section_for_stubs): New method declaration.
7564         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7565         Change methods from private to protected.
7566         (Target_arm::do_may_relax): New method definition.
7567         (Target_arm::do_relax, Target_arm::group_sections,
7568         Target_arm::scan_reloc_for_stub,
7569         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7570         (Target_arm::arm_input_section_map_): New data member declaration.
7571         (Target_arm::scan_reloc_for_stub,
7572         Target_arm::scan_reloc_section_for_stubs,
7573         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7574         Target_arm::do_relax): New method definitions.
7575
7576 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7577
7578         * configure.ac: Check for (struct stat)::st_mtim
7579         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7580         * config.in: Regenerate.
7581         * configure: Regenerate.
7582
7583 2009-11-05  Ian Lance Taylor  <iant@google.com>
7584
7585         PR 10910
7586         * output.cc (Output_segment::add_output_section): Add missing
7587         return statement.
7588
7589 2009-11-04  Ian Lance Taylor  <iant@google.com>
7590
7591         PR 10880
7592         * object.h (class Object): Add is_needed and set_is_needed
7593         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7594         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7595         defined in a dynamic object and referenced by a regular object,
7596         set is_needed for the dynamic object.
7597         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7598         if the file is marked with as_needed and it is not needed.
7599
7600 2009-11-04  Ian Lance Taylor  <iant@google.com>
7601
7602         PR 10887
7603         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7604         tags if data is discarded by linker script.
7605         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7606         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7607         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7608         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7609
7610 2009-11-04  Ian Lance Taylor  <iant@google.com>
7611
7612         * layout.cc (Layout::get_output_section): Add is_interp and
7613         is_dynamic_linker_section parameters.  Change all callers.
7614         (Layout::choose_output_section): Likewise.
7615         (Layout::make_output_section): Likewise.
7616         (Layout::add_output_section_data): Add is_dynamic_linker_section
7617         parameter.  Change all callers.
7618         * layout.h (class Layout): Update declarations.
7619         * output.h (class Output_section): Add is_interp, set_is_interp,
7620         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7621         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7622         generate_code_fills_at_write_ to a bitfield.
7623         * output.cc (Output_section::Output_sections): Initialize new
7624         fields.
7625         (Output_segment::add_output_section): Add do_sort parameter.
7626         Change all callers.
7627
7628 2009-11-03  Ian Lance Taylor  <iant@google.com>
7629
7630         PR 10860
7631         * options.h (class General_options): Add --warn-common.
7632         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7633         merging two common symbols.
7634         (Symbol_table::should_override): Handle --warn-common when merging
7635         a common symbol with a defined symbol.  Use report_resolve_problem
7636         for multiple definitions.
7637         (Symbol_table::report_resolve_problem): New function.
7638         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7639
7640 2009-11-03  Doug Kwan  <dougkwan@google.com>
7641
7642         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7643         stub_factory_.
7644         (Target_arm::stub_factory): New method definition.
7645         (Target_arm::new_arm_input_section,
7646         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7647         Target_arm::reloc_uses_thumb_bit): New method declarations.
7648         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7649         New type definitions.
7650         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7651         member declarations.
7652         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7653         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7654         New method definitions.
7655
7656 2009-11-03  Ian Lance Taylor  <iant@google.com>
7657
7658         * options.h (class General_options): Add --warn_constructors.
7659
7660 2009-11-03  Ian Lance Taylor  <iant@google.com>
7661
7662         PR 10893
7663         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7664         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7665
7666 2009-11-03  Ian Lance Taylor  <iant@google.com>
7667
7668         PR 10895
7669         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7670         --msgid-bugs-address.
7671         (install-pdf): New target.
7672         (install-data_yes): Look up one directory to find mkinstalldirs.
7673
7674 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7675
7676         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7677         tree.
7678
7679 2009-10-30  Doug Kwan  <dougkwan@google.com>
7680
7681         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7682
7683 2009-10-30  Doug Kwan  <dougkwan@google.com>
7684
7685         * arm.cc (Stub_addend_reader): New struct template definition
7686         and partial specializations.
7687         (Stub_addend_reader::operator()): New method definition for a
7688         partially specialized template.
7689
7690 2009-10-30  Doug Kwan  <dougkwan@google.com>
7691
7692         * arm.cc (Arm_relobj::processor_specific_flags): New method
7693         definition.
7694         (Arm_relobj::do_read_symbols): New method declaration.
7695         (Arm_relobj::processor_specific_flags_): New data member declaration.
7696         (Arm_dynobj): New class definition.
7697         (Target_arm::do_finalize_sections): Add input_objects parameter.
7698         (Target_arm::do_adjust_elf_header): New method declaration.
7699         (Target_arm::are_eabi_versions_compatible,
7700         (Target_arm::merge_processor_specific_flags): New method declaration.
7701         (Target_arm::do_make_elf_object): New overloaded method definitions
7702         and declaration.
7703         (Arm_relobj::do_read_symbols): New method definition.
7704         (Arm_dynobj::do_read_symbols): Ditto.
7705         (Target_arm::do_finalize_sections): Add input_objects parameters.
7706         Merge processor-specific flags from all input objects.
7707         (Target_arm::are_eabi_versions_compatible,
7708         Target_arm::merge_processor_specific_flags,
7709         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7710         New method definitions.
7711         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7712         Input_objects pointer type parameter.
7713         * layout.cc (Layout::finalize): Pass input objects to target's.
7714         finalize_sections function.
7715         * output.cc (Output_file_header::do_sized_write): Set ELF file
7716         header's processor-specific flags.
7717         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7718         Input_objects pointer type parameter.
7719         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7720         * target.h (Input_objects): New forward class declaration.
7721         (Target::processor_specific_flags,
7722         Target::are_processor_specific_flags_sect): New method definitions.
7723         (Target::finalize_sections): Add input_objects parameter.
7724         (Target::Target): Initialize processor_specific_flags_ and
7725         are_processor_specific_flags_set_.
7726         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7727         parameter.
7728         (Target::set_processor_specific_flags): New method definition.
7729         (Target::processor_specific_flags_,
7730         Target::are_processor_specific_flags_set_): New data member
7731         declarations.
7732         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7733         Input_objects pointer type parameter.
7734
7735 2009-10-30  Doug Kwan  <dougkwan@google.com>
7736
7737         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7738
7739 2009-10-28  Ian Lance Taylor  <iant@google.com>
7740
7741         * object.h (class Relobj): Drop options parameter from
7742         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7743         do_scan_relocs, do_relocate.  Change all callers.
7744         (class Sized_relobj): Drop options parameters from
7745         do_gc_process_relocs, do_scan_relocs, do_relocate,
7746         do_relocate_sections, relocate_sections, emit_relocs_scan,
7747         emit_relocs_scan_reltype.  Change all callers.
7748         (struct Relocate_info): Remove options field and all references to
7749         it.
7750         * reloc.h (class Read_relocs): Remove options constructor
7751         parameter and options_ field.  Change all callers.
7752         (class Gc_process_relocs, class Scan_relocs): Likewise.
7753         (class Relocate_task): Likewise.
7754         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7755         all callers.
7756         (scan_relocatable_relocs): Likewise.
7757         * target.h (class Sized_target): Remove options parameter from
7758         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7759         all callers.
7760         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7761         callers.
7762         * arm.cc: Update functions to remove options parameters.
7763         * i386.cc: Likewise.
7764         * powerpc.cc: Likewise.
7765         * sparc.cc: Likewise.
7766         * x86_64.cc: Likewise.
7767         * testsuite/testfile.cc: Likewise.
7768
7769 2009-10-28  Doug Kwan  <dougkwan@google.com>
7770
7771         * arm.cc (Arm_relobj): New class definition.
7772         (Arm_relobj::scan_sections_for_stubs,
7773         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7774         New method definitions.
7775
7776 2009-10-28  Cary Coutant  <ccoutant@google.com>
7777
7778         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7779         (Plugin::cleanup_done_): New member.
7780         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7781         (Plugin_manager::cleanup_done_): Remove.
7782         (Plugin_manager::add_input_file): Edit error message.
7783         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7784         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7785
7786 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7787
7788         * fileread.cc: (File_read::View::~View): Use the new
7789         data_ownership_ filed.
7790         (File_read::~File_read): Dispose the new whole_file_view_.
7791         (File_read::open): Mmap the whole file if needed.
7792         (File_read::open): Use whole_file_view_ instead of contents_.
7793         (File_read::find_view): Use whole_file_view_ if applicable.
7794         (File_read::do_read): Use whole_file_view_ instead of contents_.
7795         (File_read::make_view): Use whole_file_view_ instead of contents_,
7796         update File_read::View::View call.
7797         (File_read::find_or_make_view): Update File_read::View::View
7798         call.
7799         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7800         remove contents_
7801         (File_read::View::Data_ownership): New enum.
7802         (File_read::View::View): Replace bool mapped_ with Data_ownership
7803         argument.
7804         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7805         (File_read::View::data_ownership_): New field.
7806         (File_read::contents_): Remove (replaced by whole_file_view_).
7807         (File_read::whole_file_view_): New field.
7808         * options.h (class General_options): Add --keep-files-mapped.
7809
7810 2009-10-27  Cary Coutant  <ccoutant@google.com>
7811
7812         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7813         * testsuite/Makefile.am (plugin_test_5): New test case.
7814         * testsuite/Makefile.in: Regenerate.
7815
7816 2009-10-25  Doug Kwan  <dougkwan@google.com>
7817
7818         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7819         from private to protected to allow access by child class.
7820         (Sized_relobj::do_relocate_sections): New method declaration.
7821         (Sized_relobj::relocate_sections): Virtualize.
7822         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7823         Sized_relobj::relocate_sections.  Instantiate template explicitly
7824         for different target sizes and endianity.
7825
7826 2009-10-24  Doug Kwan  <dougkwan@google.com>
7827
7828         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7829         (Arm_input_section::as_arm_input_section): New method.
7830         (Arm_output_section): New class definition.
7831         (Arm_output_section::create_stub_group,
7832         Arm_output_section::group_sections): New method definitions.
7833
7834 2009-10-22  Doug Kwan  <dougkwan@google.com>
7835
7836         * arm.cc (Arm_input_section): New class definition.
7837         (Arm_input_section::init, Arm_input_section:do_write,
7838         Arm_input_section::set_final_data_size,
7839         Arm_input_section::do_reset_address_and_file_offset): New method
7840         definitions.
7841
7842 2009-10-21  Doug Kwan  <dougkwan@google.com>
7843
7844         * arm.cc (Stub_table, Arm_input_section): New forward class
7845         declarations.
7846         (Stub_table): New class defintion.
7847         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7848         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7849         New method definition.
7850
7851 2009-10-21  Doug Kwan  <dougkwan@google.com>
7852
7853         * arm.cc: Update copyright comments.
7854         (Target_arm): New forward class template declaration.
7855         (Arm_address): New type.
7856         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7857         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7858         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7859         constants.
7860         (Insn_template): Same.
7861         (DEF_STUBS): New macro.
7862         (Stub_type): New enum type.
7863         (Stub_template): New class definition.
7864         (Stub): Same.
7865         (Reloc_stub): Same.
7866         (Stub_factory): Same.
7867         (Target_arm::Target_arm): Initialize may_use_blx_ and
7868         should_force_pic_veneer_.
7869         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7870         Target_arm::should_force_pic_veneer,
7871         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7872         Target_arm::using_thumb_only, Target_arm:;default_target): New
7873         method defintions.
7874         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7875         New data member declarations.
7876         (Insn_template::size, Insn_template::alignment): New method defintions.
7877         (Stub_template::Stub_template): New method definition.
7878         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7879         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7880         (Stub_factory::Stub_factory): New method definition.
7881         * gold.h (string_hash): New template.
7882         * output.h (Input_section_specifier::hash_value): Use
7883         gold::string_hash.
7884         (Input_section_specifier::string_hash): Remove.
7885         * stringpool.cc (Stringpool_template::string_hash): Use
7886         gold::string_hash.
7887
7888 2009-10-20  Doug Kwan  <dougkwan@google.com>
7889
7890         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7891         symbols of relaxed input sections.
7892         * output.h (Output_section::find_relaxed_input_section): Make
7893         method public.
7894
7895 2009-10-16  Doug Kwan  <dougkwan@google.com>
7896
7897         * dynobj.cc (Versions::Versions): Initialize version_script_.
7898         Only insert base version symbol definition for a shared object
7899         if version script defines any version versions.
7900         (Versions::define_base_version): New method definition.
7901         (Versions::add_def): Check that base version is not needed.
7902         (Versions::add_need): Define base version lazily.
7903         * dynobj.h (Versions::define_base_version): New method declaration.
7904         (Versions::needs_base_version_): New data member declaration.
7905         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7906         (check_DATA): Add no_version_test.stdout.
7907         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7908         New make rules.
7909         * testsuite/Makefile.in: Regenerate.
7910         * testsuite/no_version_test.c: New file.
7911         * testsuite/no_version_test.sh: Ditto.
7912
7913 2009-10-16  Doug Kwan  <dougkwan@google.com>
7914
7915         * expression.cc (class Segment_start_expression): New class definition.
7916         (Segment_start_expression::value): New method definition.
7917         (script_exp_function_segment_start): Return a new
7918         Segment_start_expression.
7919         * gold/script-c.h (script_saw_segment_start_expression): New function
7920         prototype.
7921         * script-sections.cc (Script_sections::Script_sections): Initialize
7922         SAW_SEGMENT_START_EXPRESSION_ to false.
7923         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7924         and -Tbbs options to specify section addresses if given in
7925         command line and no SEGMENT_START expression is seen in a script.
7926         * script-sections.h (Script_sections::saw_segment_start_expression,
7927         Script_sections::set_saw_segment_start_expression): New method
7928         definition.
7929         (Script_sections::saw_segment_start_expression_): New data member
7930         declaration.
7931         * script.cc (script_saw_segment_start_expression): New function.
7932         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7933         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7934         script_test_7.sh and script_test_8.sh.
7935         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7936         script_test_8.stdout.
7937         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7938         (script_test_6, script_test_6.stdout, script_test_7,
7939         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7940         * Makefile.in: Regenerate.
7941         * testsuite/script_test_6.sh: New file.
7942         * testsuite/script_test_6.t: Same.
7943         * testsuite/script_test_7.sh: Same.
7944         * testsuite/script_test_7.t: Same.
7945         * testsuite/script_test_8.sh: Same.
7946
7947 2009-10-16  Doug Kwan  <dougkwan@google.com>
7948
7949         * output.cc (Output_segment::set_section_list_address): Cast
7950         expressions to unsigned long long type to avoid format warnings.
7951
7952 2009-10-15  Ian Lance Taylor  <iant@google.com>
7953
7954         * script.cc (Script_options::add_symbol_assignment): Always add a
7955         dot assignment to script_sections_.
7956         * script-sections.cc (Script_sections::add_dot_assignment):
7957         Initialize if necessary.
7958
7959         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7960         program headers with no load segment if there is a linker script.
7961
7962         * layout.cc (Layout::set_segment_offsets): Align the file offset
7963         to the segment aligment for -N or -n with no load segment.
7964         * output.cc (Output_segment::add_output_section): Don't crash if
7965         the first section is a TLS section.
7966         (Output_segment::set_section_list_addresses): Print an error
7967         message if the address moves backward in a linker script.
7968         * script-sections.cc
7969         (Output_section_element_input::set_section_addresses): Don't
7970         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7971         (Orphan_output_section::set_section_addresses): Likewise.
7972
7973 2009-10-15  Doug Kwan  <dougkwan@google.com>
7974
7975         * layout.cc (Layout::finish_dynamic_section): Generate tags
7976         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7977         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7978         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7979
7980 2009-10-14  Ian Lance Taylor  <iant@google.com>
7981
7982         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7983         fields.
7984         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7985         data_shdr fields of relinfo.
7986         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7987         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7988         R_386_TLS_LDO_32, adjust based on section flags.
7989         (Target_i386::Relocate::fix_up_ldo): Remove.
7990
7991 2009-10-13  Ian Lance Taylor  <iant@google.com>
7992
7993         Add support for -pie.
7994         * options.h (class General_options): Add -pie and
7995         --pic-executable.
7996         (General_options::output_is_position_independent): Test -pie.
7997         (General_options::output_is_executable): Return true if not shared
7998         and not relocatable.
7999         (General_options::output_is_pie): Remove.
8000         * options.cc (General_options::finalize): Reject incompatible uses
8001         of -pie.
8002         * gold.cc (queue_middle_tasks): A -pie link is not static.
8003         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
8004         * symtab.cc (Symbol::final_value_is_known): Return false if
8005         output_is_position_independent.
8006         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
8007         output_is_position_independent.
8008         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
8009         output_is_position_independent.
8010         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
8011         output_is_position_independent.
8012         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
8013         two_file_pie_test.
8014         (basic_pie_test.o, basic_pie_test): New targets.
8015         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8016         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8017         (two_file_pie_test): New target.
8018         * testsuite/Makefile.in: Rebuild.
8019         * README: Remove note saying that -pie is not supported.
8020
8021 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8022
8023         * options.h (class General_options): Add -init and -fini.
8024         * layout.cc (Layout::finish_dynamic_section): Emit
8025         given init and fini functions.
8026
8027 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8028
8029         * gc.h (gc_process_relocs): Check if icf is enabled using new
8030         function.
8031         * gold.cc (queue_initial_tasks): Likewise.
8032         (queue_middle_tasks): Likewise.
8033         * object.cc (do_layout): Likewise.
8034         * symtab.cc (is_section_folded): Likewise.
8035         * main.cc (main): Likewise.
8036         * reloc.cc (Read_relocs::run): Likewise.
8037         (Sized_relobj::do_scan_relocs): Likewise.
8038         * icf.cc (is_function_ctor_or_dtor): New function.
8039         (Icf::find_identical_sections): Check if function is ctor or dtor when
8040         safe icf is chosen.
8041         * options.h (General_options::icf): Change option to be an enum.
8042         (Icf_status): New enum.
8043         (icf_enabled): New method.
8044         (icf_safe_folding): New method.
8045         (set_icf_status): New method.
8046         (icf_status_): New variable.
8047         * (options.cc) (General_options::finalize): Set icf_status_.
8048         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8049         icf_test and icf_keep_unique_test to use the --icf enum flag.
8050         * testsuite/icf_safe_test.sh: New file.
8051         * testsuite/icf_safe_test.cc: New file.
8052
8053 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8054
8055         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8056         includes to gc.h and icf.h.
8057         * arm.cc: Include gc.h.
8058         * gold.cc: Likewise.
8059         * i386.cc: Likewise.
8060         * powerpc.cc: Likewise.
8061         * sparc.cc: Likewise.
8062         * x86_64.cc: Likewise.
8063         * gc.h: Include icf.h.
8064
8065 2009-10-11  Ian Lance Taylor  <iant@google.com>
8066
8067         * plugin.cc: Include "gold.h" before other header files.
8068
8069 2009-10-10  Chris Demetriou  <cgd@google.com>
8070
8071         * options.h (Input_file_argument::Input_file_type): New enum.
8072         (Input_file_argument::is_lib_): Replace with...
8073         (Input_file_argument::type_): New member.
8074         (Input_file_argument::Input_file_argument): Take Input_file_type
8075         'type' rather than boolean 'is_lib' as second argument.
8076         (Input_file_argument::is_lib): Use type_.
8077         (Input_file_argument::is_searched_file): New function.
8078         (Input_file_argument::may_need_search): Handle is_searched_file.
8079         * options.cc (General_options::parse_library): Support -l:filename.
8080         (General_options::parse_just_symbols): Update for Input_file_argument
8081         changes.
8082         (Command_line::process): Likewise.
8083         * archive.cc (Archive::get_file_and_offset): Likewise.
8084         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8085         * script.cc (read_script_file, script_add_file): Likewise.
8086         * fileread.cc (Input_file::Input_file): Likewise.
8087         (Input_file::will_search_for): Handle is_searched_file.
8088         (Input_file::open): Likewise.
8089         * readsyms.cc (Read_symbols::get_name): Likewise.
8090         * testsuite/Makefile.am (searched_file_test): New test.
8091         * testsuite/Makefile.in: Regenerate.
8092         * testsuite/searched_file_test.cc: New file.
8093         * testsuite/searched_file_test_lib.cc: New file.
8094
8095 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8096             Ian Lance Taylor  <iant@google.com>
8097
8098         * descriptor.cc: Include <cstdio> and "binary-io.h".
8099         (Descriptors::open): Open the files in binary mode always.
8100         * script.cc (Lex::get_token): Treat \r as whitespace.
8101
8102 2009-10-09  Ian Lance Taylor  <iant@google.com>
8103
8104         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8105
8106 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8107             Ian Lance Taylor  <iant@google.com>
8108
8109         * configure.ac: Check for readv function also.
8110         * fileread.cc (readv): Define if not HAVE_READV.
8111         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8112         does not exist.
8113         * config.in: Regenerate.
8114         * configure: Regenerate.
8115
8116 2009-10-09  Doug Kwan  <dougkwan@google.com>
8117
8118         * layout.cc (Layout::make_output_section): Call target hook to make
8119         ordinary output section.
8120         (Layout::finalize): Adjust parameter list of call the
8121         Target::may_relax().
8122         * layout.h (class Layout::section_list): New method.
8123         * merge.h (Output_merge_base::entsize): Change visibility to public.
8124         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8125         New methods.
8126         (Output_merge_string::do_is_string): New method.
8127         * object.cc (Sized_relobj::do_setup): renamed from
8128         Sized_relobj::set_up.
8129         * object.h (Sized_relobj::adjust_shndx,
8130         Sized_relobj::initializ_input_to_output_maps,
8131         Sized_relobj::free_input_to_output_maps): Change visibilities to
8132         protected.
8133         (Sized_relobj::setup): Virtualize.
8134         (Sized_relobj::do_setup): New method declaration.
8135         (Sized_relobj::invalidate_section_offset,
8136         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8137         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8138         * options.cc (parse_int): New function.
8139         * options.h (parse_int): New declaration.
8140         (DEFINE_int): New macro.
8141         (stub_group_size): New option.
8142         * output.cc (Output_section::Output_section): Initialize memebers
8143         merge_section_map_, merge_section_by_properties_map_,
8144         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8145         (Output_section::add_input_section): Handled deferred code-fill
8146         generation and remove an old comment.
8147         (Output_section::add_relaxed_input_section): New method definition.
8148         (Output_section::add_merge_input_section): Use merge section by
8149         properties map to speed to search.  Update merge section maps
8150         as appropriate.
8151         (Output_section::build_relaxation_map): New method definition.
8152         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8153         Same.
8154         (Output_section::relax_input_section): Renamed to
8155         Output_section::convert_input_sections_to_relaxed_sections and change
8156         interface to take a vector of pointers to relaxed sections.
8157         (Output_section::find_merge_section,
8158         Output_section::find_relaxed_input_section): New method definitions.
8159         (Output_section::is_input_address_mapped,
8160         Output_section::output_offset, Output_section::output_address):
8161         Use output section data maps to speed up searching.
8162         (Output_section::find_starting_output_address): Add comments.
8163         (Output_section::do_write,
8164         Output_section::write_to_postprocessing_buffer): Do code-fill
8165         generation as appropriate.
8166         (Output_section::get_input_sections): Invalidate relaxed input section
8167         map.
8168         (Output_section::restore_states): Adjust type of checkpoint .
8169         Invalidate relaxed input section map.
8170         * output.h (Output_merge_base): New class declaration.
8171         (Input_section_specifier): New class defintion.
8172         (class Output_relaxed_input_section) Change base class to
8173         Output_section_data_build.
8174         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8175         base class initializer.
8176         (Output_section::add_relaxed_input_section): New method declaration.
8177         (Output_section::Input_section): Change visibility to protected.
8178         (Output_section::Input_section::relobj,
8179         Output_section::Input_section::shndx): Handle relaxed input sections.
8180         Output_section::input_sections) Change visibility to protected.  Also
8181         define overload to return a non-const pointer.
8182         (Output_section::Merge_section_properties): New class defintion.
8183         (Output_section::Merge_section_by_properties_map,
8184         Output_section::Output_section_data_by_input_section_map,
8185         Output_section::Relaxation_map): New types.
8186         (Output_section::relax_input_section): Rename method to
8187         Output_section::convert_input_sections_to_relaxed_sections and change
8188         interface to take a vector of relaxed section pointers.
8189         (Output_section::find_merge_section,
8190         Output_section::find_relaxed_input_section,
8191         Output_section::build_relaxation_map,
8192         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8193         New method declarations.
8194         (Output_section::merge_section_map_
8195         Output_section::merge_section_by_properties_map_,
8196         Output_section::relaxed_input_section_map_,
8197         Output_section::is_relaxed_input_section_map_valid_,
8198         Output_section::generate_code_fills_at_write_): New data members.
8199         * script-sections.cc
8200         (Output_section_element_input::set_section_addresses): Call
8201         current_data_size and addralign methods of relaxed input sections.
8202         (Orphan_output_section::set_section_addresses): Call current_data_size
8203         and addralign methods of relaxed input sections.
8204         * symtab.cc (Symbol_table::compute_final_value): Extract template
8205         from the body of Symbol_table::sized_finalize_symbol.
8206         (Symbol_table::sized_finalized_symbol): Call
8207         Symbol_table::compute_final_value.
8208         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8209         (Symbol_table::compute_final_value): New templated method declaration.
8210         * target.cc (Target::do_make_output_section): New method defintion.
8211         * target.h (Target::make_output_section): New method declaration.
8212         (Target::relax): Add more parameters for input objects, symbol table
8213         and layout.  Adjust call to do_relax.
8214         (Target::do_make_output_section): New method declaration.
8215         (Target::do_relax): Add parameters for input objects, symbol table
8216         and layout.
8217
8218 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8219
8220         * pread.c: Include stdio.h.
8221
8222 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8223
8224         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8225         defined.
8226
8227 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8228
8229         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8230         Change read_shndx type to unsigned int.
8231         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8232         int.
8233         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8234         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8235         Change read_shndx type to unsigned int.
8236         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8237         int.
8238         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8239         * layout.cc (Layout::create_symtab_sections): Cast the result of
8240         local_symcount * symsize to off_t in the gold_assert.
8241
8242 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8243
8244         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8245         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8246         R_ARM_BASE_ABS.
8247         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8248         (Arm_relocate_functions::thm_abs5): New function.
8249         (Arm_relocate_functions::abs12): New function.
8250         (Arm_relocate_functions::abs16): New function.
8251         (Arm_relocate_functions::base_abs): New function.
8252         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8253         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8254         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8255         R_ARM_BASE_ABS.
8256         (Scan::global): Likewise.
8257         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8258         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8259         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8260         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8261         R_ARM_BASE_ABS.
8262
8263 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8264
8265         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8266         (Arm_relocate_functions::movt_prel): New function.
8267         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8268         (Arm_relocate_functions::thm_movt_prel): New function.
8269         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8270         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8271         (Scan::global, Relocate::relocate): Likewise.
8272         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8273
8274 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8275
8276         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8277         Incremental_checker.
8278         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8279         unsigned int.
8280         (class Incremental_inputs_header): New class.
8281         (Incremental_inputs_header_writer): Edit comment.
8282         (Incremental_inputs_entry): New class.
8283         (Incremental_inputs_entry_writer): Edit comment.
8284         (Sized_incremental_binary::do_find_incremental_inputs_section):
8285         Add *strtab_shndx parameter, fill it.
8286         (Sized_incremental_binary::do_check_inputs): New method.
8287         (Incremental_checker::can_incrementally_link_output_file): Use
8288         Sized_incremental_binary::check_inputs.
8289         (Incremental_inputs::report_command_line): Save command line in
8290         command_line_.
8291         * incremental.h:
8292         (Incremental_binary::find_incremental_inputs_section): New
8293         method.
8294         (Incremental_binary::do_find_incremental_inputs_section): Add
8295         strtab_shndx parameter.
8296         (Incremental_binary::do_check_inputs): New pure virtual method.
8297         (Sized_incremental_binary::do_check_inputs): Declare.
8298         (Incremental_checker::Incremental_checker): Add incremental_inputs
8299         parameter, use it to initialize incremental_inputs_.
8300         (Incremental_checker::incremental_inputs_): New field.
8301         (Incremental_checker::command_line): New method.
8302         (Incremental_checker::inputs): New method.
8303         (Incremental_checker::command_line_): New field.
8304
8305 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8306
8307         * incremental.cc: Include <cstdarg> and "target-select.h".
8308         (vexplain_no_incremental): New function.
8309         (explain_no_incremental): New function.
8310         (Incremental_binary::error): New method.
8311         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8312         method.
8313         (make_sized_incremental_binary): New function.
8314         (open_incremental_binary): New function.
8315         (can_incrementally_link_file): Add checks if output is ELF and has
8316         inputs section.
8317         * incremental.h: Include "elfcpp_file.h" and "output.h".
8318         (Incremental_binary): New class.
8319         (Sized_incremental_binary): New class.
8320         (open_incremental_binary): Declare.
8321         * object.cc (is_elf_object): Use
8322         elfcpp::Elf_recognizer::is_elf_file.
8323         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8324         * output.h (Output_file::filesize): New method.
8325
8326 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8327
8328         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8329         New function.
8330         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8331         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8332         function.
8333         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8334         function.
8335         (Arm_relocate_functions::movw_abs_nc): New function.
8336         (Arm_relocate_functions::movt_abs): New function.
8337         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8338         (Arm_relocate_functions::thm_movt_abs): New function.
8339         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8340         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8341         (Scan::global): Likewise.
8342         (Relocate::relocate): Likewise.
8343         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8344
8345 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8346
8347         * arm.cc (Arm_relocate_functions::got_prel) New function.
8348         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8349         (Relocate::relocate): Likewise.
8350         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8351
8352 2009-10-06  Ian Lance Taylor  <iant@google.com>
8353
8354         * options.h (class General_options): Define
8355         split_stack_adjust_size parameter.
8356         * object.h (class Object): Add uses_split_stack_ and
8357         has_no_split_stack_ fields.  Add uses_split_stack and
8358         has_no_split_stack accessor functions.  Declare
8359         handle_split_stack_section.
8360         (class Reloc_symbol_changes): Define.
8361         (class Sized_relobj): Define Function_offsets.  Declare
8362         split_stack_adjust, split_stack_adjust_reltype, and
8363         find_functions.
8364         * object.cc (Object::handle_split_stack_section): New function.
8365         (Sized_relobj::do_layout): Call handle_split_stack_section.
8366         * dynobj.cc (Sized_dynobj::do_layout): Call
8367         handle_split_stack_section.
8368         * reloc.cc (Sized_relobj::relocate_sections): Call
8369         split_stack_adjust for executable sections in split_stack
8370         objects.  Pass reloc_map to relocate_section.
8371         (Sized_relobj::split_stack_adjust): New function.
8372         (Sized_relobj::split_stack_adjust_reltype): New function.
8373         (Sized_relobj::find_functions): New function.
8374         * target-reloc.h: Include "object.h".
8375         (relocate_section): Add reloc_symbol_changes parameter.  Change
8376         all callers.
8377         * target.h (class Target): Add calls_non_split method.  Declare
8378         do_calls_non_split virtual method.  Declare match_view and
8379         set_view_to_nop.
8380         * target.cc: Include "elfcpp.h".
8381         (Target::do_calls_non_split): New function.
8382         (Target::match_view): New function.
8383         (Target::set_view_to_nop): New function.
8384         * gold.cc (queue_middle_tasks): Give an error if mixing
8385         split-stack and non-split-stack objects with -r.
8386         * i386.cc (Target_i386::relocate_section): Add
8387         reloc_symbol_changes parameter.
8388         (Target_i386::do_calls_non_split): New function.
8389         * x86_64.cc (Target_x86_64::relocate_section): Add
8390         reloc_symbol_changes parameter.
8391         (Target_x86_64::do_calls_non_split): New function.
8392         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8393         parameter.
8394         * powerpc.cc (Target_powerpc::relocate_section): Add
8395         reloc_symbol_changes parameter.
8396         * sparc.cc (Target_sparc::relocate_section): Add
8397         reloc_symbol_changes parameter.
8398         * configure.ac: Call AM_CONDITIONAL for the default target.
8399         * configure: Rebuild.
8400         * testsuite/Makefile.am (TEST_AS): New variable.
8401         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8402         (check_DATA): Add split_i386 and split_x86_64 files.
8403         (SPLIT_DEFSYMS): Define.
8404         (split_i386_[1234n].o): New targets.
8405         (split_i386_[124]): New targets.
8406         (split_i386_[1234r].stdout): New targets.
8407         (split_x86_64_[1234n].o): New targets.
8408         (split_x86_64_[124]): New targets.
8409         (split_x86_64_[1234r].stdout): New targets.
8410         (MOSTLYCLEANFILES): Add new executables.
8411         * testsuite/split_i386.sh: New file.
8412         * testsuite/split_x86_64.sh: New file.
8413         * testsuite/split_i386_1.s: New file.
8414         * testsuite/split_i386_2.s: New file.
8415         * testsuite/split_i386_3.s: New file.
8416         * testsuite/split_i386_4.s: New file.
8417         * testsuite/split_i386_n.s: New file.
8418         * testsuite/split_x86_64_1.s: New file.
8419         * testsuite/split_x86_64_2.s: New file.
8420         * testsuite/split_x86_64_3.s: New file.
8421         * testsuite/split_x86_64_4.s: New file.
8422         * testsuite/split_x86_64_n.s: New file.
8423         * testsuite/testfile.cc (Target_test): Update relocation_section
8424         function.
8425         * testsuite/Makefile.in: Rebuild.
8426
8427 2009-10-06  Ian Lance Taylor  <iant@google.com>
8428
8429         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8430         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8431         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8432         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8433         the address on ldo_addrs_.
8434         (Target_i386::Relocate::fix_up_ldo): New function.
8435
8436 2009-10-06   Rafael Espindola  <espindola@google.com>
8437
8438         * plugin.cc (add_input_library): New.
8439         (Plugin::load): Add add_input_library to tv.
8440         (Plugin_manager::add_input_file): Add the is_lib argument.
8441         (add_input_file): Update call to Plugin_manager::add_input_file.
8442         (add_input_library): New.
8443         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8444
8445 2009-09-30  Doug Kwan  <dougkwan@google.com>
8446
8447         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8448         symbol and call Symbol::may_need_copy_reloc to determine if
8449         a copy reloc is needed.
8450         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8451         nocopyreloc is given in command line.
8452         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8453         given in command line.
8454         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8455         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8456         of the removed Target_i386::may_need_copy_reloc.
8457         * options.h (copyreloc): New option with default value false.
8458         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8459         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8460         instead of the removed Target_powerpc::may_need_copy_reloc.
8461         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8462         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8463         instead of the removed Target_sparc::may_need_copy_reloc.
8464         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8465         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8466         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8467         instead of the removed Target_x86_64::may_need_copy_reloc.
8468
8469 2009-09-30  Ian Lance Taylor  <iant@google.com>
8470
8471         * object.h (class Object): Remove target_ field, and target,
8472         sized_target, and set_target methods.
8473         (Object::sized_target): Remove.
8474         (class Sized_relobj): Update declarations.  Remove sized_target.
8475         * object.cc (Sized_relobj::setup): Remove target parameter.
8476         Change all callers.
8477         (Input_objects::add_object): Don't do anything with the target.
8478         (make_elf_sized_object): Add punconfigured parameter.  Change all
8479         callers.  Set or test parameter target.
8480         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8481         Change all callers.
8482         * parameters.cc (Parameters::set_target): Change parameter type to
8483         be non-const.
8484         (Parameters::default_target): Remove.
8485         (set_parameters_target): Change parameter type to be non-const.
8486         (parameters_force_valid_target): New function.
8487         (parameters_clear_target): New function.
8488         * parameters.h (class Parameters): Update declarations.  Remove
8489         default_target method.  Add sized_target and clear_target
8490         methods.  Change target_ to be non-const.
8491         (set_parameters_target): Update declaration.
8492         (parameters_force_valid_target): Declare.
8493         (parameters_clear_target): Declare.
8494         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8495         as NULL if we aren't searching.
8496         (Add_symbols::run): Don't check for compatible target.
8497         * fileread.cc (Input_file::open_binary): Call
8498         parameters_force_valid_target.
8499         * gold.cc (queue_middle_tasks): Likewise.
8500         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8501         set_target on object.
8502         * dynobj.h (class Sized_dynobj): Update declarations.
8503         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8504         make_elf_object returns NULL.
8505         (Archive::include_member): Don't check whether object target is
8506         compatible.
8507         * output.cc (Output_section::add_input_section): Get target from
8508         parameters.
8509         (Output_section::relax_input_section): Likewise.
8510         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8511         parameters.
8512         (Sized_relobj::do_scan_relocs): Likewise.
8513         (Sized_relobj::relocate_sections): Likewise.
8514         * resolve.cc (Symbol_table::resolve): Likewise.
8515         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8516         parameter.  Change all callers.
8517         (Symbol_table::add_from_object): Get target from parameters.
8518         (Symbol_table::add_from_relobj): Don't check object target.
8519         (Symbol_table::add_from_dynobj): Likewise.
8520         (Symbol_table::define_special_symbol): Get target from
8521         parameters.
8522         * symtab.h (class Symbol_table): Update declaration.
8523         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8524         parameter.  Change all callers.  Clear parameter target.
8525         (Binary_test): Test target here.
8526         * testsuite/object_unittest.cc (gold_testsuite): Remove
8527         target_test_pointer parameter.  Change all callers.
8528         (Object_test): Test target here.
8529
8530 2009-09-26  Ian Lance Taylor  <iant@google.com>
8531
8532         * testsuite/initpri1.c: Don't try to use constructor priorities if
8533         compiling with gcc before 4.3.
8534
8535 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8536
8537         * testsuite/retain_symbols_file_test.sh (check_present): Change
8538         output file name to retain_symbols_file_test.stdout.
8539         (check_absent): Likewise.
8540
8541 2009-09-18  Craig Silverstein  <csilvers@google.com>
8542
8543         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8544         * options.cc: Include <cerrno> and <fstream>.
8545         (General_options::finalize): Parse -retain-symbols-file tag.
8546         * options.h: New flag.
8547         (General_options): New method should_retain_symbol, new
8548         variable symbols_to_retain.
8549         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8550         should_retain_symbol map.
8551         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8552         * testsuite/Makefile.in: Regenerate.
8553         * testsuite/retain_symbols_file_test.sh: New file.
8554
8555 2009-09-18  Nick Clifton  <nickc@redhat.com>
8556
8557         * po/es.po: Updated Spanish translation.
8558
8559 2009-09-17  Doug Kwan  <dougkwan@google.com>
8560
8561         * debug.h (DEBUG_RELAXATION): New constant.
8562         (DEBUG_ALL): Add DEBUG_RELAXATION.
8563         (debug_string_to_enum): Add relaxation debug option.
8564         * layout.cc
8565         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8566         Layout::Relaxation_debug_check::read_sections,
8567         Layout::Relaxation_debug_check::read_sections): New method definitions.
8568         (Layout::Layout): Initialize data members
8569         record_output_section_data_from_scrips_,
8570         script_output_section_data_list_ and relaxation_debug_check_.
8571         (Layout::save_segments, Layout::restore_segments,
8572         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8573         Layout::relaxation_loop_body): New method definitions.
8574         (Layout::finalize): Support relaxation.  Move section layout code to
8575         Layout::relaxation_loop_body.
8576         (Layout::set_asection_address_from_script): Move code for orphan
8577         section placement out.
8578         (Layout::place_orphan_sections_in_script): New method definition.
8579         * layout.h (Output_segment_headers, Output_file_header):
8580         New forward class declarations.
8581         (Layout::~Layout): Define.
8582         (Layout::new_output_section_data_from_script): New method definition.
8583         (Layout::place_orphan_sections_in_script): New method declaration.
8584         (Layout::Segment_states): New type declaration.
8585         (Layout::save_segments, Layout::restore_segments,
8586         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8587         Layout::relaxation_loop_body): New method declarations.
8588         (Layout::Output_section_data_list): New type declaration.
8589         (Layout::Relaxation_debug_check): New class definition.
8590         (Layout::record_output_section_data_from_script_,
8591         Layout::script_output_section_data_list_, Layout::segment_states_,
8592         Layout::relaxation_debug_check_): New data members.
8593         * output.cc: (Output_section_headers::do_size): New method definition.
8594         (Output_section_headers::Output_section_headers): Move size
8595         computation to Output_section_headers::do_size.
8596         (Output_segment_headers::do_size): New method definition.
8597         (Output_file_header::Output_file_header): Move size computation to
8598         Output_file_header::do_size and call it.
8599         (Output_file_header::do_size): New method definition.
8600         (Output_data_group::Output_data_group): Adjust call to
8601         Output_section_data.
8602         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8603         (Output_symtab_xindex::do_write): Add array bound check.
8604         (Output_section::Input_section::print_to_mapfile): Handle
8605         RELAXED_INPUT_SECTION_CODE.
8606         (Output_section::Output_section): Initialize data member checkpoint_.
8607         (Output_section::~Output_section): Delete checkpoint object pointed
8608         by checkpoint_.
8609         (Output_section::add_input_section): Always add an Input_section if
8610         relaxing.
8611         (Output_section::add_merge_input_section): Add assert.
8612         (Output_section::relax_input_section): New method definition.
8613         (Output_section::set_final_data_size): Set load address to zero for
8614         an unallocated section.
8615         (Output_section::do_address_and_file_offset_have_reset_values):
8616         New method definition.
8617         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8618         Handle relaxed input section.
8619         (Output_section::sort_attached_input_sections): Checkpoint input
8620         section list lazily.
8621         (Output_section::get_input_sections): Change type of input_sections to
8622         list of Simple_input_section pointers.  Checkpoint input section list
8623         lazily.  Also handle relaxed input sections.
8624         (Output_section::add_input_section_for_script): Take a reference to
8625         a Simple_input_section object instead of Relobj pointer and section
8626         index as parameter.  Handle relaxed input sections.
8627         (Output_section::save_states, Output_section::restore_states): New
8628         method definitions.
8629         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8630         (Output_data::is_data_size_fixed): New method definition.
8631         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8632         if it is fixed.
8633         (Output_data::address_and_file_offset_have_reset_values): New method
8634         definition.
8635         (Output_data::do_address_and_file_offset_have_reset_values): New method
8636         definition.
8637         (Output_data::set_data_size): Check that data size is not fixed.
8638         (Output_data::fix_data_size): New method definition.
8639         (Output_data::is_data_size_fixed_): New data member.
8640         (Output_section_headers::set_final_data_size): New method definition.
8641         (Output_section_headers::do_size): New method declaration.
8642         (Output_segment_headers::set_final_data_size): New method definition.
8643         (Output_segment_headers::do_size): New method declaration.
8644         (Output_file_header::set_final_data_size)::New method definition.
8645         (Output_file_header::do_size)::New method declaration.
8646         (Output_section_data::Output_section_data): Add new parameter
8647         is_data_size_fixed and use it to fix data size.
8648         (Output_data_const::Output_data_const): Adjust call to base class
8649         constructor and fix data size.
8650         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8651         base class constructor and fix data size.
8652         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8653         base class constructor and fix data size.
8654         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8655         class constructor and fix data size.
8656         (Output_data_group::set_final_data_size): New method definition.
8657         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8658         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8659         class constructor and fix data size.
8660         (Output_relaxed_input_section): New class definition.
8661         (Output_section::Simple_input_section): New class definition.
8662         (Output_section::get_input_sections): Adjust parameter list.
8663         (Output_section::add_input_section_for_script): Same.
8664         (Output_section::save_states, Output_section::restore_states,
8665         Output_section::do_address_and_file_offset_have_reset_values,
8666         (Output_section::Input_section::Input_section): Handle
8667         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8668         Output_relaxed_input_section.
8669         (Output_section::Input_section::is_input_section,
8670         Output_section::Input_section::set_output_section): Handle relaxed
8671         input section.
8672         (Output_section::Input_section::is_relaxed_input_section,
8673         Output_section::Input_section::output_section_data,
8674         Output_section::Input_section::relaxed_input_section): New method
8675         definitions.
8676         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8677         value.
8678         (Output_section::Input_section::u1_): Update comments.
8679         (Output_section::Input_section::u2_): Add new union member poris.
8680         (Output_section::Checkpoint_output_section): New classs definition.
8681         (Output_section::relax_input_section): New method declaration.
8682         (Output_section::checkpoint_): New data member.
8683         (Output_segment): Update comments.
8684         (Output_segment::Output_segment): Un-privatize copy constructor.
8685         (Output_segment::operator=): Un-privatize.
8686         * script-sections.cc (Output_section_element::Input_section_list):
8687         Change element type to Output_section::Simple_input_section.
8688         (Output_section_element_dot_assignment::set_section_addresses):
8689         Register output section data for relaxation clean up.
8690         (Output_data_exression::Output_data_expression): Adjust call to base
8691         constructor to fix data size.
8692         (Output_section_element_data::set_section_addresses): Register
8693         Output_data_expression object for relaxation clean up.
8694         (struct Input_section_info): Replace Relobj pointer and section index
8695         pair with Output_section::Simple_input_section and Convert struct to a
8696         class.
8697         (Input_section_sorter::operator()): Adjust access to
8698         Input_section_info data member to use accessors.
8699         (Output_section_element_input::set_section_addresses): Use layout
8700         parameter.  Adjust code to use Output_section::Simple_input_section
8701         and Input_secction_info classes.  Register filler for relaxation
8702         clean up.
8703         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8704         and section index pair with Output_section::Simple_input_section
8705         class.  Adjust code accordingly.
8706         (Phdrs_element::release_segment): New method definition.
8707         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8708         segment list.
8709         (Script_sections::release_segments): New method definition.
8710         * gold/script-sections.h (Script_sections::release_segments): New
8711         method declaration.
8712         * gold/target.h (Target::may_relax, Target::relax,
8713         Target::do_may_relax, Target::do_relax): New method definitions.
8714
8715 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8716
8717         * arm.cc (has_signed_unsigned_overflow): New function.
8718         (Arm_relocate_functions::abs8): New function.
8719         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8720         (Target_arm::Scan::global): Likewise.
8721         (Target_arm::relocate::relocate): Likewise.
8722         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8723         Likewise.
8724
8725 2009-09-16  Cary Coutant  <ccoutant@google.com>
8726
8727         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8728         * testsuite/Makefile.in: Regenerate.
8729
8730 2009-09-11  Nick Clifton  <nickc@redhat.com>
8731
8732         * po/gold.pot: Updated by the Translation project.
8733
8734 2009-09-08  Cary Coutant  <ccoutant@google.com>
8735
8736         * output.cc (Output_file::open): Add execute permission to empty file.
8737         * testsuite/Makefile.am (permission_test): New test.
8738         * testsuite/Makefile.in: Regenerate.
8739
8740 2009-09-02  Ian Lance Taylor  <iant@google.com>
8741
8742         * output.cc (Output_file::resize): Call map_no_anonymous rather
8743         than map.
8744
8745 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8746
8747         * gold.cc: Include "incremental.h".
8748         (queue_initial_tasks): Call Incremental_checker methods.
8749         * incremental.cc: Include "output.h".
8750         (Incremental_checker::can_incrementally_link_output_file): New
8751         method.
8752         * incremental.h (Incremental_checker): New class.
8753
8754         * output.cc (Output_file::open_for_modification): New method.
8755         (Output_file::map_anonymous): Changed return type to bool.  Record
8756         map in base_ field.
8757         (Output_file::map_no_anonymous): New method, broken out of map.
8758         (Output_file::map): Use map_no_anonymous and map_anonymous.
8759         * output.h (class Output_file): Update declarations.
8760
8761 2009-08-24  Cary Coutant  <ccoutant@google.com>
8762
8763         * options.h (Command_line::Pre_options): New class.
8764         (Command_line::pre_options): New member.
8765         * options.cc (gold::options::ready_to_register): New variable.
8766         (One_option::register_option): Do nothing if not registering options.
8767         Assert if same short option registered twice.
8768         (General_options::General_options): Turn off option registration when
8769         done constructing.
8770         (Command_line::Pre_options::Pre_options): New constructor.
8771
8772 2009-08-24  Cary Coutant  <ccoutant@google.com>
8773
8774         * options.h (General_options::no_keep_memory): Remove incorrect
8775         short option.
8776
8777 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8778
8779         * Makefile.am (am__skiplex, am__skipyacc): New.
8780         * Makefile.in: Regenerate.
8781
8782 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8783
8784         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8785         (INCLUDES): ... this.
8786         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8787         (AM_CPPFLAGS): Renamed from ...
8788         (INCLUDE): ... this.
8789         * Makefile.in, testsuite/Makefile.in: Regenerate.
8790
8791         * Makefile.in: Regenerate.
8792         * aclocal.m4: Likewise.
8793         * config.in: Likewise.
8794         * configure: Likewise.
8795         * testsuite/Makefile.in: Likewise.
8796
8797         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8798         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8799         * Makefile.in: Regenerate.
8800         * testsuite/Makefile.in: Regenerate.
8801
8802 2009-08-19  Cary Coutant  <ccoutant@google.com>
8803
8804         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8805         symbols in shared libraries overridden by hidden or internal symbols
8806         in the main program.
8807
8808 2009-08-19  Chris Demetriou  <cgd@google.com>
8809
8810         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8811         checking source file names in error messages.
8812
8813 2009-08-18  Doug Kwan  <dougkwan@google.com>
8814
8815         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8816         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8817         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8818         an elfcpp::Ehdr as parameter.
8819         * object.cc (Object::set_target): Remove the version that looks up
8820         a target and sets it.
8821         (Sized_relobj::setup): Take a Target object instead of
8822         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8823         (make_elf_sized_object): Find target and ask target to
8824         make an ELF object.
8825         * object.h: (Object::set_target): Remove the version that looks up
8826         a target and sets it.
8827         (Sized_relobj::setup): Take a Target object instead of
8828         an elfcpp:Ehdr as parameter.
8829         * target.cc: Include dynobj.h.
8830         (Target::do_make_elf_object_implementation): New.
8831         (Target::do_make_elf_object): New.
8832         * target.h (Target::make_elf_object): New template declaration.
8833         (Target::do_make_elf_object): New method declarations.
8834         (Target::do_make_elf_object_implementation): New template declaration.
8835
8836 2009-08-14  Ian Lance Taylor  <iant@google.com>
8837
8838         * gold.h (FUNCTION_NAME): Define.
8839         (gold_unreachable): Use FUNCTION_NAME.
8840
8841 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8842
8843         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8844         symbol in the --keep-unique list is not found.
8845
8846 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8847
8848         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8849         been maked as --keep-unique.
8850         (Icf::unfold_section): New function.
8851         * icf.h (Icf::unfold_section): New function.
8852         * options.h (General_options::keep_unique): New option.
8853         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8854         * testsuite/Makefile.in: Regenerate.
8855         * testsuite/icf_keep_unique_test.sh: New file.
8856         * testsuite/icf_keep_unique_test.cc: New file.
8857
8858 2009-08-12  Cary Coutant  <ccoutant@google.com>
8859
8860         PR 10471
8861         * resolve.cc (Symbol_table::resolve): Check for references from
8862         dynamic objects to hidden and internal symbols.
8863         * testsuite/Makefile.am (hidden_test.sh): New test.
8864         * testsuite/Makefile.in: Regenerate.
8865         * testsuite/hidden_test.sh: New script.
8866         * testsuite/hidden_test_1.c: New test source.
8867         * testsuite/hidden_test_main.c: New test source.
8868
8869 2009-08-11  Doug Kwan  <dougkwan@google.com>
8870
8871         * arm.cc: Update comments.
8872         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8873         segment to locate the .ARM.exidx section if present.
8874
8875 2009-08-09  Doug Kwan  <dougkwan@google.com>
8876
8877         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8878         patch.
8879
8880 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8881         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8882         compiler warnings.
8883
8884 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8885
8886         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8887         valid tls_segment only for non-debug-section relocations.
8888         * testsuite/Makefile.am: Add gc_tls_test.
8889         * testsuite/Makefile.in: Regenerate.
8890         * testsuite/gc_tls_test.cc: New file.
8891         * testsuite/gc_tls_test.sh: New file.
8892
8893 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8894
8895         * icf.cc: New file.
8896         * icf.h: New file.
8897         * Makefile.am (CCFILES): Add icf.cc.
8898         (HFILES): Add icf.h
8899         * Makefile.in: Regenerate.
8900         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8901         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8902         section, symbol and addend information for the relocs.
8903         * gold.cc (queue_middle_tasks): Call identical code folding.
8904         * gold.h: Add defines for multimap.
8905         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8906         to the call of finalize_local_symbols.
8907         * main.cc (main): Create object of class Icf.
8908         * object.cc (Sized_relobj::do_layout): Allow this function to be
8909         called twice during icf.
8910         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8911         to sections marked as identical by icf.
8912         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8913         when available.
8914         (Sized_relobj::do_section_entsize): New function.
8915         * object.h (Object::section_entsize): New function.
8916         (Object::do_section_entsize): New pure virtual function.
8917         (Relobj::finalize_local_symbols): Add new parameter.
8918         (Relobj::do_section_entsize): New function.
8919         * options.h (General_options::icf): New option.
8920         (General_options::icf_iterations): New option.
8921         (General_options::print_icf_sections): New option.
8922         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8923         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8924         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8925         icf.
8926         * symtab.cc (Symbol_table::is_section_folded): New function.
8927         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8928         to sections marked as identical by icf.
8929         * symtab.h (Symbol_table::set_icf): New function.
8930         (Symbol_table::icf): New function.
8931         (Symbol_table::is_section_folded): New function.
8932         (Symbol_table::icf_): New data member.
8933         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8934         * testsuite/Makefile.am: Add commands to build icf_test.
8935         * testsuite/Makefile.in: Regenerate.
8936         * testsuite/icf_test.sh: New file.
8937         * testsuite/icf_test.cc: New file.
8938
8939 2009-07-24  Chris Demetriou  <cgd@google.com>
8940
8941         * layout.cc (is_compressible_debug_section): Fix incorrect
8942         comment about compressed section names.
8943
8944 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8945
8946         PR 10419
8947         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8948
8949 2009-07-16  Ian Lance Taylor  <iant@google.com>
8950
8951         PR 10400
8952         * layout.h: #include <map>.
8953         (class Kept_section): Change from struct to class.  Add accessors
8954         and setters.  Add section size to Comdat_group mapping.  Change
8955         Comdat_group to std::map.  Add is_comdat_ field.  Add
8956         linkonce_size field in union.
8957         (class Layout): Update declaration of find_or_add_kept_section.
8958         Don't declare find_kept_object.
8959         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8960         parameter.  Add object, shndx, is_comdat, and is_group_name
8961         parameters.  Change all callers.  Adjust for new Kept_section.
8962         (Layout::find_kept_object): Remove.
8963         * object.cc (Sized_relobj::include_section_group): Update use of
8964         Kept_section.  Rename secnum to shndx.  Only record
8965         Kept_comdat_section if sections are the same size.
8966         (Sized_relobj::include_linkonce_section): Update use of
8967         Kept_section.  Only record Kept_comdat_section if sections are the
8968         same size.  Set size of linkonce section.
8969         (Sized_relobj::map_to_kept_section): Update call to
8970         get_kept_comdat_section.
8971         * object.h (class Sized_relobj): Rename fields in
8972         Kept_comdat_section to drop trailing underscores; change object
8973         field to Relobj*.  Change Kept_comdat_section_table to store
8974         struct rather than pointer.
8975         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8976         Add kept_object and kept_shndx parameters.  Change all callers.
8977         (Sized_relobj::get_kept_comdat_section): Change return type to
8978         bool.  Add kept_object and kept_shndx parameters.  Change all
8979         callers.
8980         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8981         Layout::find_or_add_kept_section.
8982
8983 2009-07-09  Ian Lance Taylor  <iant@google.com>
8984
8985         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8986         Reserve space in the hash table.
8987
8988 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8989
8990         * fileread.cc (File_read::get_mtime): New method.
8991         * fileread.h (Timespec): New structure.
8992         (File_read::get_mtime): New method.
8993         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8994         Renamed from timestamp_nsec.
8995         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8996         Elf_Xword.
8997         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8998         timestamp_nsec.
8999         (Incremental_inputs::report_archive): Save mtime; style fix.
9000         (Incremental_inputs::report_obejct): Save mtime; style fix.
9001         (Incremental_inputs::report_script): Save mtime; style fix.
9002         (Incremental_inputs::finalize_inputs): Style fix.
9003         (Incremental_inputs::finalize): Style fix.
9004         (Incremental_inputs::create_input_section_data): Store inputs
9005         mtime.
9006         * incremental.h (Incremental_inputs::report_script): Add mtime
9007         argument.
9008         (Incremental_inputs::Input_info::Input_info): Intialize only one
9009         union member.
9010         (Incremental_inputs::Input_info::archive): Move to nameless
9011         union.
9012         (Incremental_inputs::Input_info::obejct): Move to nameless union.
9013         (Incremental_inputs::Input_info::script): Move to nameless union.
9014         (Incremental_inputs::mtime): New field.
9015         * script.cc (read_input_script): Pass file mtime to
9016         Incremental_input.
9017         * script.h (Script_info::inputs): Style fix.
9018
9019 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9020
9021         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9022         instead of 32.
9023
9024 2009-06-24  Ian Lance Taylor  <iant@google.com>
9025
9026         PR 10156
9027         * layout.cc (Layout::choose_output_section): If we find an
9028         existing section, update the flags.
9029         (Layout::create_notes): New function, broken out of
9030         Layout::finalize.
9031         (Layout::finalize): Don't create note sections.
9032         (Layout::create_note): Don't crash if linker script discards
9033         section.
9034         (Layout::create_gold_note): Likewise.
9035         (Layout::create_build_id): Likewise.  Don't set
9036         after_input_sections on the section.
9037         (Layout::create_executable_stack_info): Remove target parameter.
9038         Change caller.
9039         * layout.h (class Layout): Declare create_notes.  Update
9040         declaration of create_executable_stack_info.
9041         * gold.cc (queue_middle_tasks): Call create_notes.
9042         * output.cc (Output_section::update_flags_for_input_section): Move
9043         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9044         invalid.
9045         * output.h (Output_data::mark_address_invalid): New function.
9046         (class Output_section): Only declare, not define,
9047         update_flags_for_input_section.  Remove set_flags.
9048
9049 2009-06-24  Ian Lance Taylor  <iant@google.com>
9050
9051         * script-sections.cc (Output_section_definition::
9052         set_section_addresses): Rename shadowing local load_address to
9053         laddr.
9054
9055 2009-06-24  Ian Lance Taylor  <iant@google.com>
9056
9057         PR 10244
9058         * reloc.cc (relocate_sections): Skip empty relocation sections.
9059
9060 2009-06-23  Ian Lance Taylor  <iant@google.com>
9061
9062         PR 10156
9063         * layout.cc (Layout::create_note): Use choose_output_section
9064         rather than make_output_section.
9065
9066 2009-06-23  Ian Lance Taylor  <iant@google.com>
9067
9068         PR 10237
9069         * options.cc (General_options::parse_V): Set printed_version_.
9070         (General_options::General_options): Initialize printed_version_.
9071         * options.h (class General_options): Add printed_version_ field.
9072         * gold.cc (queue_initial_tasks): If there are no input files,
9073         don't give a fatal error if we printed the version information.
9074         (queue_middle_tasks): If using -r with a shared object, give a
9075         fatal error rather than an ordinary error.
9076
9077 2009-06-23  Ian Lance Taylor  <iant@google.com>
9078
9079         PR 10219
9080         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9081         (Layout::make_output_section): Set have_stabstr_section_ if we see
9082         a .stab*str section.
9083         (Layout::finalize): Call link_stabs_sections.
9084         (Layout::link_stabs_sections): New file.
9085         * layout.h (class Layout): Add have_stabstr_section_ field.
9086         Declare link_stabs_sections.
9087
9088 2009-06-23  Doug Kwan  <dougkwan@google.com>
9089
9090         * Makefile.am (libgold_a_LIBADD): New.
9091         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9092         * Makefile.in: Regenerate.
9093         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9094         * configure: Regenerate.
9095         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9096         * fileread.cc: Include sys/state.h
9097         * gold.h: Declare memmem and strndup if found missing.
9098         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9099
9100 2009-06-23  Ian Lance Taylor  <iant@google.com>
9101
9102         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9103         * configure: Rebuild.
9104
9105 2009-06-23  Ian Lance Taylor  <iant@google.com>
9106
9107         PR 10147
9108         * object.cc (Object::section_contents): Don't try to get a view if
9109         the section has length zero.
9110         (Object::handle_gnu_warning_section): If the section is empty, use
9111         the name of the section as the warning.
9112
9113 2009-06-23  Ian Lance Taylor  <iant@google.com>
9114
9115         PR 10133
9116         * stringpool.h (class Stringpool_template): Add optimize_ field.
9117         (Stringpool_template::set_optimize): New function.
9118         * stringpool.cc (Stringpool_template::Stringpool_template):
9119         Initialize optimize_ field.
9120         (Stringpool_template::set_string_offsets): Test local optimize
9121         fild rather than parameter.
9122         * layout.cc (Layout::Layout): Call set_optimize on the section
9123         name stringpool.
9124
9125 2009-06-22  Ian Lance Taylor  <iant@google.com>
9126
9127         PR 10030
9128         * yyscript.y: Parse TARGET.
9129         * script.cc (script_set_target): New function.
9130         * script-c.h (script_set_target): Declare.
9131         * options.cc (General_options::string_to_object_format): Rename
9132         from string_to_object_format in anonymous namespace.  Change
9133         callers.
9134         * options.h (class General_options): Declare
9135         string_to_object_format.
9136
9137 2009-06-22  Ian Lance Taylor  <iant@google.com>
9138
9139         * script-sections.cc (Script_sections::create_segments): Don't put
9140         program headers in a PT_LOAD segment if -n or -N.
9141
9142 2009-06-22  Ian Lance Taylor  <iant@google.com>
9143
9144         PR 10141
9145         * options.h (class General_options): Add -z lazy and -z now.  Sort
9146         -z options into alphabetical order.
9147         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9148
9149 2009-06-21  Ian Lance Taylor  <iant@google.com>
9150
9151         * layout.cc (Layout::make_output_section): Call
9152         Target::new_output_section.
9153         (Layout::attach_allocated_section_to_segment): Put large section
9154         sections in a separate load segment with the large segment flag
9155         set.
9156         (Layout::segment_precedes): Sort large data segments after other
9157         load segments.
9158         (align_file_offset): New static function.
9159         (Layout::set_segment_offsets): Use align_file_offset.
9160         * output.h (class Output_section): Add is_small_section_ and
9161         is_large_section_ fields.
9162         (Output_section::is_small_section): New function.
9163         (Output_section::set_is_small_section):  New function.
9164         (Output_section::is_large_section): New function.
9165         (Output_section::set_is_large_section): New function.
9166         (Output_section::is_large_data_section): New function.
9167         (class Output_segment): Add is_large_data_segment_ field.
9168         (Output_segment::is_large_data_segment): New function.
9169         (Output_segment::set_is_large_data_segment): New function.
9170         * output.cc (Output_section::Output_section): Initialize new
9171         fields.
9172         (Output_segment::Output_segment): Likewise.
9173         (Output_segment::add_output_section): Add assertion that large
9174         data sections always go in large data segments.  Force small data
9175         sections to the end of the list of data sections.  Force small BSS
9176         sections to the start of the list of BSS sections.  For large BSS
9177         sections to the end of the list of BSS sections.
9178         * symtab.h (class Symbol): Declare is_common_shndx.
9179         (Symbol::is_defined): Check Symbol::is_common_shndx.
9180         (Symbol::is_common): Likewise.
9181         (class Symbol_table): Define enum Commons_section_type.  Update
9182         declarations.  Add small_commons_ and large_commons_ fields.
9183         * symtab.cc (Symbol::is_common_shndx): New function.
9184         (Symbol_table::Symbol_table): Initialize new fields.
9185         (Symbol_table::add_from_object): Put small and large common
9186         symbols in the right list.
9187         (Symbol_table::sized_finalized_symbol): Check
9188         Symbol::is_common_shndx.
9189         (Symbol_table::sized_write_globals): Likewise.
9190         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9191         common symbol lists.  Don't call do_allocate_commons_list if the
9192         list is empty.
9193         (Symbol_table::do_allocate_commons_list): Remove is_tls
9194         parameter.  Add comons_section_type parameter.  Change all
9195         callers.  Handle small and large common symbols.
9196         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9197         Symbol::is_common_shndx.
9198         * resolve.cc (symbol_to_bits): Likewise.
9199         * target.h (Target::small_common_shndx): New function.
9200         (Target::small_common_section_flags): New function.
9201         (Target::large_common_shndx): New function.
9202         (Target::large_common_section_flags): New function.
9203         (Target::new_output_section): New function.
9204         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9205         small_common_section_flags, and large_common_section_flags
9206         fields.
9207         (Target::do_new_output_section): New virtual function.
9208         * arm.cc (Target_arm::arm_info): Initialize new fields.
9209         * i386.cc (Target_i386::i386_info): Likewise.
9210         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9211         Likewise.
9212         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9213         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9214         (Target_x86_64::do_new_output_section): New function.
9215         * configure.ac: Define conditional MCMODEL_MEDIUM.
9216         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9217         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9218         (large_LDFLAGS): Define.
9219         * testsuite/large.c: New file.
9220         * testsuite/testfile.cc (Target_test::test_target_info):
9221         Initialize new fields.
9222         * configure, testsuite/Makefile.in: Rebuild.
9223
9224 2009-06-05  Doug Kwan  <dougkwan@google.com>
9225
9226         * Makefile.am (CCFILES): Add target.cc.
9227         * Makefile.in: Regenerate.
9228         * i386.cc (class Target_i386): Define new virtual method to
9229         override do_is_local_label_name in parent.
9230         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9231         local symbols if --discard-locals or -X is given.
9232         * options.h (class General_options): Declare new options
9233         '--discard-locals' and '-X' for discarding locals.
9234         * target.h (class Target): Define new methods is_local_label_name.
9235         Declare new virtual method do_is_local_label_name.
9236         * target.cc: New file.
9237         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9238         (check_SCRIPTS): Add discard_locals_test.sh.
9239         (check_DATA): Add discard_local_tests.syms.
9240         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9241         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9242         * testsuite/Makefile.in: Regenerate.
9243         * testsuite/discard_locals_test.c: New file.
9244         * testsuite/discard_locals_test.sh: Same.
9245
9246 2009-06-05  Doug Kwan  <dougkwan@google.com>
9247
9248         * object.cc (Sized_relobj::Sized_relobj): Initialize
9249         discarded_eh_frame_shndx_ to -1U.
9250         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9251         section.
9252         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9253         a discarded .eh_frame section.
9254         (Sized_relobj::do_finalize_local_symbols): Ditto.
9255         * object.h (class Sized_relobj): Declare new member
9256         discarded_eh_frame_shndx_.
9257         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9258         (local_labels_test.o, local_labels_test): New rules.
9259         * testsuite/Makefile.in: Regenerate.
9260
9261 2009-06-04  Doug Kwan  <dougkwan@google.com>
9262
9263         * layout.cc (Layout::section_name_mapping): Add mapping for
9264         special ARM sections.
9265
9266 2009-06-03  Doug Kwan  <dougkwan@google.com>
9267
9268         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9269         (utils::has_overflow): Same.
9270
9271 2009-06-03  Ian Lance Taylor  <iant@google.com>
9272
9273         * layout.cc (Layout::section_name_mapping): New array, replacing
9274         Layout::linkonce_mapping.
9275         (Layout::section_name_mapping_count): New variable, replacing
9276         Layout::linkonce_mapping_count.
9277         (Layout::linkonce_output_name): Remove.
9278         (Layout::output_section_name): Rewrite.
9279         * layout.h (class Layout): Rename Linkonce_mapping to
9280         Section_name_mapping, linkonce_mapping to section_name_mapping,
9281         linkonce_mapping_count to section_name_mapping_count.  Don't
9282         declare linkonce_output_name.
9283
9284 2009-06-03  Doug Kwan  <dougkwan@google.com>
9285
9286         * gold/arm.cc (namespace utils): New.
9287         (Target_arm::reloc_is_non_pic): Define new method.
9288         (class Arm_relocate_functions): New.
9289         (Target_arm::Relocate::relocate): Handle relocation types used by
9290         Android.
9291
9292 2009-06-03  Ian Lance Taylor  <iant@google.com>
9293
9294         * arm.cc (Target_arm::scan::global): Use || instead of |.
9295
9296 2009-06-02  Doug Kwan  <dougkwan@google.com>
9297
9298         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9299         issued_non_pic_error_.
9300         (class Target_arm::Scan): Declare new method check_non_pic.
9301         Define new method symbol_needs_plt_entry.
9302         Declare new data member issued_non_pic_error_.
9303         (class Target_arm::Relocate): Declare new method
9304         should_apply_static_reloc.
9305         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9306         (Target_arm::Scan::check_non_pic): Define new method.
9307         (Target_arm::Scan::local): Handle a small subset of reloc types used
9308         by Android.
9309         (Target_arm::Scan::local): Same.
9310         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9311
9312 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9313
9314         * incremental.cc (Incremental_inputs::report_command_line): Filter
9315         out --incremental-* options.
9316
9317 2009-05-29  Doug Kwan  <dougkwan@google.com>
9318
9319         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9320         template class.
9321         (class Target_arm): Update comment.
9322         (Target_arm::Target_arm): Initialize new data members GOT_,
9323         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9324         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9325         and Target_arm::rel_dyn_section.
9326         Declare new_enum Target_arm::Got_type.
9327         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9328         and DYNBSS_.
9329         Update commments for member do_dynsym_value.
9330         (Target_arm::got_size, Target_arm::plt_section,
9331         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9332         new methods inside class defintion.
9333         (Target_arm::got_section): Define new method.
9334         (Target_arm::rel_dyn_section): Same.
9335         (Output_data_plt_arm): New template class.
9336         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9337         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9338         (Output_data_plt_arm::add_entry): Same.
9339         (Output_data_plt_arm::first_plt_entry): Define new
9340         static data member for PLT instruction template.
9341         (Output_data_plt_arm::plt_entry): Same.
9342         (Output_data_plt_arm::do_write): Define new method.
9343         (Target_arm::make_plt_entry): Same.
9344         (Target_arm::do_finalize_sections): Same.
9345         (Target_arm::do_dynsym_value): Same.
9346
9347 2009-05-28  Doug Kwan  <dougkwan@google.com>
9348
9349         * Makefile.am (TARGETSOURCES): Add arm.cc.
9350         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9351         * Makefile.in: Regenerate.
9352         * arm.cc: New file.
9353         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9354
9355 2009-05-26  Doug Kwan  <dougkwan@google.com>
9356
9357         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9358         (General_options::check_excluded_libs): Strip off directories in
9359         archive name before matching like GNU ld does.
9360         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9361         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9362         (exclude_libs_test_LDFLAGS): Add linker option
9363         -Wl,--exclude-libs,libexclude_libs_test_3
9364         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9365         an explicit archive without using -l.
9366         (alt/libexclude_libs_test_3.a): New make rule.
9367         * testsuite/Makefile.in: Regenerate.
9368         * testsuite/exclude_libs_test.c : Declare lib3_default().
9369         (main): Call it.
9370         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9371         * exclude_libs_test_3.c: New file.
9372
9373 2009-05-26  Nick Clifton  <nickc@redhat.com>
9374
9375         * po/id.po: New Indonesian translation.
9376         * po/gold.pot: Updated template file.
9377
9378 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9379
9380         * testsuite/Makefile.am: Add -ffunction-sections to compile
9381         gc_comdat_test files.  Add -Wl,--gc-sections to build
9382         gc_comdat_test.
9383         * testsuite/Makefile.in: Regenerate.
9384         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9385
9386 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9387
9388         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9389         kept comdat section was garbage collected.
9390         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9391         * testsuite/Makefile.in: Regenerate.
9392         * testsuite/gc_comdat_test.sh: New file.
9393         * testsuite/gc_comdat_test_1.cc: New file.
9394         * testsuite/gc_comdat_test_2.cc: New file.
9395
9396 2009-05-19  Doug Kwan  <dougkwan@google.com>
9397
9398         * archive.cc (Archive::Archive): Move constructor from archive.h
9399         to here.  Initialize no_export_.
9400         (Archive::get_elf_object_for_member): Set no_export flag of object.
9401         * archive.h (Archive::Archive): Move constructor body to
9402         archive.cc.
9403         (Archive::no_export): New method.
9404         (Archive::no_export_): New field.
9405         * object.h (Object::Object): Initialize no_export_ to false.
9406         (Object::no_export, Object::set_no_export): New methods.
9407         (Object::no_export_): New field.
9408         * options.cc (General_options::parse_exclude_libs): New method.
9409         (General_options::check_excluded_libs) Same.
9410         * options.h (exclude_libs): New option.
9411         (General_options::check_excluded_libs): New method declaration.
9412         (General_options::excluded_libs_): New field.
9413         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9414         default or protected visibility if an object has no-export flag set.
9415         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9416         (check_SCRIPTS): Add exclude_libs_test.sh.
9417         (check_DATA): Add exclude_libs_test.syms.
9418         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9419         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9420         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9421         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9422         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9423         libexclude_libs_test_2.a): New rules.
9424         * testsuite/Makefile.in: Regenerate.
9425         * testsuite/exclude_libs_test.c: New file.
9426         * testsuite/exclude_libs_test.sh: Ditto.
9427         * testsuite/exclude_libs_test_1.c: Ditto.
9428         * testsuite/exclude_libs_test_2.c: Ditto.
9429
9430 2009-05-15  Ian Lance Taylor  <iant@google.com>
9431
9432         * configure.ac: Check for declarations for cases where libiberty.h
9433         checks HAVE_DECL_xxx.
9434         * configure, config.in: Rebuild.
9435
9436 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9437
9438         * gold.h (Incremental_argument_list): Remove (invalid) forward
9439         declaration.
9440         * incremental.cc (Incremental_inputs::report_achive): New method.
9441         (Incremental_inputs::report_object): New method.
9442         (Incremental_inputs::report_script): New method.
9443         (Incremental_inputs::finalize_inputs): New method.
9444         (Incremental_inputs::finalize): Call finalize_inputs().
9445         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9446         Create inputs entries.
9447         * incremental.h (Incremental_input_type): New enum.
9448         (Incremental_inputs::Incremental_input): Initialize new fields.
9449         (Incremental_inputs::report_inputs): New method.
9450         (Incremental_inputs::report_achive): New method.
9451         (Incremental_inputs::report_object): New method.
9452         (Incremental_inputs::report_script): New method.
9453         (Incremental_inputs::finalize_inputs): New method.
9454         (Incremental_inputs::Input_info): New struct.
9455         (Incremental_inputs::Input_info_map): New typedef.
9456         (Incremental_inputs::lock_): New field.
9457         (Incremental_inputs::Inputs_): New field.
9458         (Incremental_inputs::Inputs_map): New field.
9459         * main.cc (main): Call Incremental_input::report_inputs.
9460         * options.h (Input_argument_list): Typedef moved from
9461         Input_arguments.
9462         (Input_file_group::Files): Remove, use ::Input_argument_list.
9463         (Input_file_group::Input_argument_list): Remove, use
9464         ::Input_argument_list.
9465         * plugin.cc (Plugin_manager::add_input_file): Add error in
9466         incremental build.
9467         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9468         functions.
9469         * script.cc (read_input_script): Call
9470         Incremental_input::report_script.
9471         * script.h (Script_info): New class.
9472
9473 2009-04-27  Ian Lance Taylor  <iant@google.com>
9474
9475         * x86_64.cc (do_adjust_output_section): Set entsize to
9476         plt_entry_size.
9477
9478 2009-04-23  Elliott Hughes  <enh@google.com>
9479
9480         * output.cc (Output_file::close): After short writes, continue
9481         writing from the correct offset in the buffer being written.
9482
9483 2009-04-23  Chris Demetriou  <cgd@google.com>
9484
9485         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9486         * configure: Regenerate.
9487         * config.in: Regenerate.
9488         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9489         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9490
9491 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9492
9493         * incremental.cc (Incremental_inputs_header_data): Renamed from
9494         Incremental_input_header_data.
9495         (Incremental_inputs_header_data::data_size): New field.
9496         (Incremental_inputs_header_data::put_input_file_count): Renamed
9497         from input_file_count.
9498         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9499         from command_line_offset.
9500         (Incremental_inputs_header_data::put_reserved): Renamed from
9501         put_reserved.
9502         (Incremental_inputs_entry_data): Renamed from
9503         Incremental_input_entry_data.
9504         (Incremental_inputs_entry_data::data_size): New field.
9505         (Incremental_inputs::report_command_line): New method.
9506         (Incremental_inputs::finalize): New method.
9507         (Incremental_inputs::create_incremental_inputs_data): New method.
9508         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9509         * incremental.h: New file.
9510         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9511        (Layout::finalize): Create incremental inputs section in
9512         incremental builds.
9513        (Layout::create_incremental_info_sections): New method.
9514         * layout.h (Layout::incremental_inputs): New method.
9515        (Layout::create_incremental_info_sections): New method.
9516        (Layout::incremental_inputs_): New field.
9517         * main.cc (main): Notify Incremental_input of the command line.
9518
9519 2009-04-01  Ian Lance Taylor  <iant@google.com>
9520             Mikolaj Zalewski  <mikolajz@google.com>
9521
9522         * gold.h (reserve_unordered_map): Define, three versions, one for
9523         each version of Unordered_map.
9524         * layout.cc (Layout::Layout): Remove options parameter.  Add
9525         number_of_input_files parameter.  Don't initialize options_.
9526         Initialize number_of_input_files_ and resized_signatures_.  Move
9527         sections_are_attached_.
9528         (Layout::layout_group): Reserve space for group_signatures_.
9529         (Layout::find_or_add_kept_section): Change name parameter to be a
9530         reference.  Resize signatures_ map when it gets large enough.
9531         (Layout::layout_eh_frame): Use parameters->options() instead of
9532         this->options_.
9533         (Layout::make_output_section): Likewise.
9534         (Layout::attach_allocated_section_to_segment): Likewise.
9535         (Layout::finalize, Layout::create_executable_stack): Likewise.
9536         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9537         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9538         * layout.h (class Layout): Update declarations.  Remove options_
9539         field.  Add number_of_input_files_ and resized_signatures_
9540         fields.  Move sections_are_attached_ field.
9541         * main.cc (main): Pass number of input files to Layout
9542         constructor.  Don't pass options.
9543
9544 2009-03-30  Ian Lance Taylor  <iant@google.com>
9545
9546         * ffsll.c (ffsll): Correct implementation.
9547
9548 2009-03-27  Ian Lance Taylor  <iant@google.com>
9549
9550         * ffsll.c: New file.
9551         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9552         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9553         * ftruncate.c (ftruncate): Declare before definition.
9554         * mremap.c (mremap): Likewise.
9555         * pread.c (pread): Likewise.
9556         * configure, Makefile.in, config.in: Rebuild.
9557
9558         * mremap.c: New file.
9559         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9560         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9561         (mremap): Declare if HAVE_MREMAP is not defined.
9562         * configure, Makefile.in, config.in: Rebuild.
9563
9564 2009-03-27  Cary Coutant  <ccoutant@google.com>
9565
9566         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9567         position independent.
9568         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9569         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9570
9571 2009-03-24  Cary Coutant  <ccoutant@google.com>
9572
9573         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9574         an executable.
9575         (needs_dynamic_reloc): Likewise.
9576
9577 2009-03-24  Ian Lance Taylor  <iant@google.com>
9578
9579         * yyscript.y (file_cmd): Recognize EXTERN.
9580         (extern_name_list, extern_name_list_body): New nonterminals.
9581         * script.cc (script_add_extern): Define.
9582         * script-c.h (script_add_extern): Declare.
9583
9584 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9585
9586         * object.cc (is_elf_object): Define.
9587         * object.h (is_elf_object): Declare.
9588         * archive.cc (Archive::get_elf_object_for_member): Call
9589         is_elf_object.
9590         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9591
9592 2009-03-24  Elliott Hughes  <enh@google.com>
9593
9594         * output.cc (Output_file::map_anonymous): Define.
9595         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9596         try an anonymous one.  Report the size if the mmap fails.
9597         * output.h (class Output_file): Declare map_anonymous.
9598
9599 2009-03-24  Ian Lance Taylor  <iant@google.com>
9600
9601         * target-select.cc (instantiate_target): Don't acquire the lock if
9602         the instantiated_target_ field has already been set.
9603
9604 2009-03-23  Ian Lance Taylor  <iant@google.com>
9605
9606         * gold-threads.h (class Initialize_lock): Define.
9607         * gold-threads.cc (class Initialize_lock_once): Define.
9608         (initialize_lock_control): New static variable.
9609         (initialize_lock_pointer): New static variable.
9610         (initialize_lock_once): New static function.
9611         (Initialize_lock::Initialize_lock): Define.
9612         (Initialize_lock::initialize): Define.
9613         * target-select.h: Include "gold-threads.h".
9614         (class Target_selector): Add lock_ and initialize_lock_ fields.
9615         Don't define instantiate_target, just declare it.
9616         * target-select.cc (Target_selector::Target_selector): Initialize
9617         new fields.
9618         (Target_selector::instantiate_target): Define.
9619         * descriptors.h: Include "gold-threads.h".
9620         (class Descriptors): Add initialize_lock_ field.
9621         * descriptors.cc (Descriptors::Descriptors): Initialize new
9622         field.
9623         (Descriptors::open): Use initialize_lock_ field
9624         * errors.h (class Errors): Add initialize_lock_ field.
9625         * errors.cc (Errors::Errors): Initialize new field.
9626         (Errors::initialize_lock): Use initialize_lock_ field.
9627         * powerpc.cc (class Target_selector_powerpc): Remove
9628         instantiated_target_ field.  In do_recognize call
9629         instantiate_target rather than do_instantiate_target.  In
9630         do_instantiate_target just allocate a new target.
9631         * sparc.cc (class Target_selector_sparc): Likewise.
9632
9633         * freebsd.h: New file.
9634         * i386.cc: Include "freebsd.h".
9635         (Target_i386): Derive from Target_freebsd rather than
9636         Sized_target.
9637         (Target_selector_i386): Derive from Target_selector_freebsd rather
9638         than Target_selector.
9639         * x86_64.cc: Include "freebsd.h".
9640         (Target_x86_64): Derive from Target_freebsd rather than
9641         Sized_target.
9642         (Target_selector_x86_64): Derive from Target_selector_freebsd
9643         rather than Target_selector.
9644         * target.h (class Target): Add adjust_elf_header and
9645         do_adjust_elf_header.
9646         * output.cc (Output_file_header:: do_sized_write): Call target
9647         adjust_elf_header routine.
9648         * configure.tgt: Set targ_osabi.
9649         * configure.ac: Define GOLD_DEFAULT_OSABI.
9650         * parameters.cc (Parameters::default_target): Pass
9651         GOLD_DEFAULT_OSABI to select_target.
9652         * target-select.h (class Target_selector): Make instantiate_target
9653         protected rather than private.
9654         * Makefile.am (HFILES): Add freebsd.h.
9655         * configure, Makefile.in, config.in: Rebuild.
9656
9657         * merge.cc (do_add_input_section): Correct pend value.  Change
9658         message about last entry not being null terminated from error to
9659         warning.
9660
9661 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9662
9663         * incremental.cc: New file.
9664         * Makefile.am (CCFILES): Add incremental.cc.
9665         * Makefile.in: Rebuild.
9666
9667 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9668
9669         * layout.cc (Layout::output_section_name): Preserve names
9670         of '.note.' sections.
9671
9672 2009-03-19  Ian Lance Taylor  <iant@google.com>
9673
9674         * descriptors.cc (Descriptors::open): Check that the options are
9675         valid before using them.
9676
9677 2009-03-18  Ian Lance Taylor  <iant@google.com>
9678
9679         * script-sections.h: Include <list>.
9680         (class Script_sections): Change Sections_elements from std::vector
9681         to std::list.  Typedef public Elements_iterator.  Add
9682         orphan_section_placement_, data_segment_align_start_, and
9683         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9684         field.
9685         * script-sections.cc (class Orphan_section_placement): New class.
9686         (class Sections_element): Add virtual functions is_relro and
9687         orphan_section_init.  Remove virtual function place_orphan_here.
9688         (class Output_section_definition): Add is_relro and
9689         orphan_section_init.  Remove place_orphan_here.
9690         (class Orphan_output_section): Likewise.
9691         (Script_sections::Script_sections): Update for field changes.
9692         (Script_sections::data_segment_align): Set saw_data_segment_align_
9693         and data_segment_align_start_, not data_segment_align_index.
9694         (Script_sections::data_segment_relro_end): Check
9695         saw_data_segment_align_.  Use data_segment_align_start_ rather
9696         than data_segment_align_index_.
9697         (Script_sections::place_orphan): Rewrite to use
9698         Orphan_section_placement.
9699
9700 2009-03-17  Ian Lance Taylor  <iant@google.com>
9701
9702         * archive.cc (Archive::add_symbols): Check for a version attached
9703         to the symbol name in the archive map.
9704         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9705         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9706         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9707         (ver_test_11.a): New target.
9708         * testsuite/Makefile.in: Rebuild.
9709
9710         * configure.ac: Check for chsize and posix_fallocate.  Replace
9711         ftruncate.
9712         * ftruncate.c: New file, from gnulib.
9713         * output.cc (posix_fallocate): Define dummy version if not
9714         HAVE_POSIX_FALLOCATE.
9715         (Output_file::map): Call posix_fallocate rather than lseek and
9716         write.
9717         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9718         * configure, Makefile.in, config.in: Rebuild.
9719
9720 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9721
9722         * layout.h (Layout::create_note): Add section_name parameter.
9723         * layout.cc (Layout::create_note): Likewise.
9724         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9725
9726 2009-03-17  Ian Lance Taylor  <iant@google.com>
9727
9728         * descriptors.cc: Include "options.h".
9729         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9730         (Descriptors::open): Always use O_CLOEXEC when opening a new
9731         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9732         then set FD_CLOEXEC.
9733
9734         * sparc.cc (class Target_sparc): Add has_got_section.
9735         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9736         make sure we have a GOT section.
9737
9738         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9739         (Target_sparc::Scan::local): Likewise.
9740         (Target_sparc::Scan::global): Likewise.
9741         (Target_sparc::Relocate::relocate): Likewise.
9742         (Target_sparc::Relocate::relocate_tls): Likewise.
9743
9744         * symtab.cc (Symbol_table::define_default_version): New function,
9745         broken out of add_from_object.
9746         (Symbol_table::add_from_object): Call define_default_version.
9747         (Symbol_table::define_special_symbol): Add resolve_oldsym
9748         parameter.  Change all callers.  If the version for a symbol comes
9749         from a version script, resolve it with the symbol with the same
9750         name with no version.  Also add the symbol without a version if
9751         appropriate.
9752         (do_define_in_output_data): If resolving with oldsym, don't delete
9753         sym.
9754         (do_define_in_output_segment): Likewise.
9755         (do_define_as_constant): Likewise.
9756         * symtab.h (class Symbol_table): Update declarations.
9757
9758 2009-03-13  Ian Lance Taylor  <iant@google.com>
9759
9760         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9761         (Read_symbols::requeue): New function.
9762         (Read_symbols::do_read_symbols): If make_elf_object fails because
9763         the target type is not configured, and the file was searched for,
9764         issue a warning and retry with the next directory.
9765         (Add_symbols::run): If the file has an incompatible format, and
9766         it was searched for, requeue the Read_symbols task.  On error,
9767         release the object.
9768         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9769         dirindex parameter to constructor.  Change all callers.  Declare
9770         incompatible_warning and requeue.
9771         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9772         input_argument_ and input_group_ fields.  Add them to
9773         constructor.  Change all callers.
9774         (class Read_script): Add dirindex_ field.  Add it to constructor.
9775         Change all callers.
9776         * archive.cc (Archive::setup): Remove input_objects parameter.
9777         Change all callers.
9778         (Archive::get_file_and_offset): Likewise.
9779         (Archive::read_all_symbols): Likewise.
9780         (Archive::read_symbols): Likewise.
9781         (Archive::get_elf_object_for_member): Remove input_objects
9782         parameter.  Add punconfigured parameter.  Change all callers.
9783         (Archive::add_symbols): Change return type to bool.  Check return
9784         value of include_member.
9785         (Archive::include_all_members): Likewise.
9786         (Archive::include_member): Change return type to bool.  Return
9787         false if first included object has incompatible target.  Set
9788         included_member_ field.
9789         (Add_archive_symbols::run): If add_symbols returns false, requeue
9790         Read_symbols task.
9791         * archive.h (class Archive): Add included_member_ field.
9792         Initialize it in constructor.  Add input_file and searched_for
9793         methods.  Update declarations.
9794         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9795         input_argument_ fields.  Add them to constructor.  Change all
9796         callers.
9797         * script.cc: Include "target-select.h".
9798         (class Parser_closure): Add skip_on_incompatible_target_ and
9799         found_incompatible_target_ fields.  Add
9800         skip_on_incompatible_target parameter to constructor.  Change all
9801         callers.  Add methods skip_on_incompatible_target,
9802         clear_skip_on_incompatible_target, found_incompatible_target, and
9803         set_found_incompatible_target.
9804         (read_input_script): Add dirindex parameter.  Change all callers.
9805         If parser finds an incompatible target, requeue Read_symbols
9806         task.
9807         (script_set_symbol): Clear skip_on_incompatible_target in
9808         closure.
9809         (script_add_assertion, script_parse_option): Likewise.
9810         (script_start_sections, script_add_phdr): Likewise.
9811         (script_check_output_format): New function.
9812         * script.h (read_input_script): Update declaration.
9813         * script-c.h (script_check_output_format): Declare.
9814         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9815         (ignore_cmd): Remove OUTPUT_FORMAT.
9816         * fileread.cc (Input_file::Input_file): Add explicit this.
9817         (Input_file::will_search_for): New function.
9818         (Input_file::open): Add pindex parameter.  Change all callers.
9819         * fileread.h (class Input_file): Add input_file_argument method.
9820         Declare will_search_for.  Update declarations.
9821         * object.cc (make_elf_object): Add punconfigured parameter.
9822         Change all callers.
9823         * object.h (class Object): Make input_file public.  Add
9824         searched_for method.
9825         (make_elf_object): Update declaration.
9826         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9827         restart search.
9828         * dirsearch.h (class Dirsearch): Update declaration.
9829         * options.h (class General_options): Add --warn-search-mismatch.
9830         * parameters.cc (Parameters::is_compatible_target): New function.
9831         * parameters.h (class Parameters): Declare is_compatible_target.
9832         * workqueue.cc (Workqueue::add_blocker): New function.
9833         * workqueue.h (class Workqueue): Declare add_blocker.
9834
9835         * fileread.cc (Input_file::open): Remove options parameter.
9836         Change all callers.
9837         (Input_file::open_binary): Likewise.
9838         * script.cc (read_input_script): Likewise.
9839         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9840         options parameter from constructor.  Change all callers.
9841         (class Read_script): Likewise.
9842         * fileread.h (class Input_file): Update declarations.
9843         * script.h (read_input_script): Update declaration.
9844
9845 2009-03-10  Nick Clifton  <nickc@redhat.com>
9846
9847         * po/es.po: New Spanish translation.
9848
9849 2009-03-06  Cary Coutant  <ccoutant@google.com>
9850
9851         * options.cc (parse_short_option): Keep dash_z from registering itself.
9852
9853 2009-03-03  Ian Lance Taylor  <iant@google.com>
9854
9855         PR 9918
9856         * target-reloc.h (relocate_section): Pass output_section to
9857         relocate.
9858         * i386.cc (Target_i386::should_apply_static_reloc): Add
9859         output_section parameter.  Change all callers.
9860         (Target_i386::Relocate::relocate): Add output_section parameter.
9861         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9862         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9863         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9864         * testsuite/two_file_shared.sh: New script.
9865         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9866         (check_DATA): Add two_file_shared.dbg.
9867         (two_file_shared.dbg): New target.
9868         * testsuite/Makefile.in: Rebuild.
9869
9870 2009-03-01  Ian Lance Taylor  <iant@google.com>
9871
9872         * configure.ac: Check for byteswap.h.
9873         * configure: Rebuild.
9874         * config.in: Rebuild.
9875
9876 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9877
9878         * layout.cc (Layout::find_or_add_kept_section): New function.
9879         (Layout::add_comdat): Removed.
9880         * layout.h (struct Kept_section): Move out of class Layout.
9881         Remove trailing underscores from field names.  Add group_sections
9882         field.  Rename group_ field to is_group.  Change all uses.
9883         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9884         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9885         comdat_groups_ field.
9886         (Sized_relobj::include_section_group): Use
9887         find_or_add_kept_section and Kept_section::group_sections.
9888         (Sized_relobj::include_linkonce_section): Likewise.
9889         * object.cc (class Sized_relobj): Don't define Comdat_group or
9890         Comdat_group_table.  Remove find_comdat_group and
9891         add_comdat_group.  Remove comdat_groups_ field.
9892         * plugin.cc (include_comdat_group): Use
9893         Layout::find_or_add_kept_section.
9894
9895 2009-02-28  Ian Lance Taylor  <iant@google.com>
9896
9897         * README: --gc-sections and map files are now supported.  Document
9898         some build requirements.
9899
9900         PR 6992
9901         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9902         relocatable link set the value of the section symbol to zero.
9903         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9904         relocatable link don't include the section address in the local
9905         symbol value.
9906
9907 2009-02-27  Ian Lance Taylor  <iant@google.com>
9908
9909         PR 6811
9910         * options.h (class Search_directory): Add is_system_directory.
9911         (class General_options): Declare is_in_system_directory.
9912         * options.cc (get_relative_sysroot): Make static.
9913         (get_default_sysroot): Make static.
9914         (General_optoins::is_in_system_directory): New function.
9915         * fileread.cc (Input_file::is_in_system_directory): New function.
9916         * fileread.h (class Input_file): Declare is_in_system_directory.
9917         * object.h (class Object): Add is_in_system_directory.
9918         (class Input_objects): Remove system_library_directory_ field.
9919         * object.cc (Input_objects::add_object): Don't set
9920         system_library_directory_.
9921         (input_objects::found_in_system_library_directory): Remove.
9922         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9923         parameter.  Change all callers.
9924         (Symbol_table::sized_write_globals): Likewise.
9925         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9926         Call Object::is_in_system_directory.
9927         * symtab.h (class Symbol_table): Update declarations.
9928
9929         PR 5990
9930         * descriptors.h (Open_descriptor): Add is_on_stack field.
9931         * descriptors.cc (Descriptors::open): If the descriptor is on the
9932         top of the stack, remove it.  Initialize is_on_stack field.
9933         (Descriptors::release): Only add pod to stack if it is not on the
9934         stack already.
9935         (Descriptors::close_some_descriptor): Clear stack_next and
9936         is_on_stack fields.
9937
9938         PR 7091
9939         * output.cc (Output_section::find_starting_output_address): Rename
9940         from starting_output_address; add PADDR parameter; change return
9941         type.
9942         * output.h (class Output_section): Declare
9943         find_starting_output_address instead of starting_output_address.
9944         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9945         section symbol for which we can't find a merge section.
9946
9947         PR 9836
9948         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9949         hidden or internal, force the symbol to be local.
9950         * resolve.cc (Symbol::override_visibility): Define.
9951         (Symbol::override_base): Use override_visibility.
9952         (Symbol_table::resolve): Likewise.
9953         (Symbol::override_base_with_special): Likewise.
9954         (Symbol_table::override_with_special): If the visibility is hidden
9955         or internal, force the symbol to be local.
9956         * symtab.h (class Symbol): Add set_visibility and
9957         override_visibility.
9958         * testsuite/ver_test_1.sh: New file.
9959         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9960         (check_DATA): Add ver_test_1.syms.
9961         (ver_test_1.syms): New target.
9962         * testsuite/Makefile.in: Rebuild.
9963
9964 2009-02-25  Cary Coutant  <ccoutant@google.com>
9965
9966         * layout.cc (Layout::choose_output_section): Don't rename sections
9967         when using a linker script that has a SECTIONS clause.
9968         * Makefile.in: Regenerate.
9969
9970         * testsuite/Makefile.am (script_test_5.sh): New test case.
9971         * testsuite/Makefile.in: Regenerate.
9972         * testsuite/script_test_5.cc: New file.
9973         * testsuite/script_test_5.sh: New file.
9974         * testsuite/script_test_5.t: New file.
9975
9976 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9977
9978         * archive.cc (Archive::include_member): Update calls to add_symbols.
9979         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9980         the Layout argument.
9981         * dynobj.h (do_add_symbols): Add the Layout argument.
9982         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9983         Layout argument.
9984         * object.h (Object::add_symbols): Add the Layout argument.
9985         (Object::do_add_symbols): Add the Layout argument.
9986         (Sized_relobj::do_add_symbols): Add the Layout argument.
9987         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9988         Unify the two versions.
9989         (Add_plugin_symbols): Remove.
9990         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9991         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9992         (Add_plugin_symbols): Remove.
9993         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9994         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9995         (Add_symbols::run): Make it work with Pulginobj.
9996
9997 2009-02-06  Ian Lance Taylor  <iant@google.com>
9998
9999         * object.cc (Sized_relobj::do_layout): Make info message start
10000         with lower case letter.
10001
10002 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
10003
10004         * binary.cc: Fix file comment.
10005
10006         * options.h (enum Incremental_disposition): Define.
10007         (class General_options): Add new options: --incremental,
10008         --incremental_changed, --incremental_unchanged,
10009         --incremental_unknown.  Add incremental_disposition_ and
10010         implicit_incremental_ fields.
10011         (General_options::incremental_disposition): New function.
10012         (class Position_dependent_options): Add incremental_disposition
10013         option.
10014         (Position_dependent_options::copy_from_options): Set incremental
10015         dispositions.
10016         * options.cc (General_options::parse_incremental_changed): New
10017         function.
10018         (General_options::parse_incremental_unchanged): New function.
10019         (General_options::parse_incremental_unknown): New function.
10020         (General_options::General_options): Initialize new fields
10021         incremental_disposition_ and implicit_incremental_.
10022         (General_options::finalize): Check for uasge of --incremental-*
10023         without --incremental.
10024
10025 2009-02-06  Chris Demetriou  <cgd@google.com>
10026
10027         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10028         pointer and to report location as the file name associated with
10029         the symbol.
10030         (gold_undefined_symbol_at_location): New function to replace the
10031         old gold_undefined_symbol functionality.
10032         * target-reloc.h (relocate_section): Update to use
10033         gold_undefined_symbol_at_location.
10034         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10035         Call gold_undefined_symbol function rather than gold_error.
10036         * errors.h (Errors::undefined_symbol): Take location as a
10037         string, rather than calculating it from a relocation.
10038         * errors.cc (Errors::fatal): Print "fatal error:" before the
10039         formatted message.
10040         (Errors::error, Errors::error_at_location): Print "error: "
10041         before the formatted message.
10042         (Errors::undefined_symbol): Take location as a string, rather
10043         than calculating it from a relocation.
10044         (gold_undefined_symbol_at_location): New function akin to
10045         old gold_undefined_symbol, calculates location from relocation.
10046         (gold_undefined_symbol): Change to take only a Symbol pointer
10047         and to report location as the file name associated with the symbol.
10048         * testsuite/debug_msg.sh: Update for changed error messages.
10049         * testsuite/undef_symbol.sh: Likewise.
10050
10051 2009-02-04  Duncan Sands  <baldrick@free.fr>
10052
10053         PR 9812
10054         * reduced_debug_output.h
10055         (Output_reduced_debug_abbrev_section::failed): Use format for
10056         gold_warning.
10057         (Output_reduced_debug_info_section::faild): Likewise.
10058
10059 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10060
10061         * script.cc (Lazy_demangler): New class.
10062         (Version_script_info::get_symbol_version_helper): Demangle a
10063         symbol only once.
10064
10065 2009-01-29  Cary Coutant  <ccoutant@google.com>
10066
10067         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10068         to __tls_get_addr.
10069         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10070
10071 2009-01-28  Ian Lance Taylor  <iant@google.com>
10072
10073         * version.cc (version_string): Bump to 1.9.
10074
10075         * gold.h: Include <cstring> and <stdint.h>.
10076         * version.cc: Include <cstdio>.
10077         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10078         warning.
10079         * reduced_debug_output.cc (insert_into_vector): Rename from
10080         Insert_into_vector; change all callers.  Use Swap_unaligned to
10081         avoid aliasing issue; remove union since it is unnecessary.
10082
10083 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10084
10085         * Makefile.am (CCFILES): Add gc.cc.
10086         (HFILES): Add gc.h.
10087         * Makefile.in: Regenerate.
10088         * gold.cc (Gc_runner): New class.
10089         (queue_initial_tasks): Call garbage collection related tasks
10090         when corresponding options are invoked.
10091         (queue_middle_gc_tasks): New function.
10092         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10093         processed early before laying out sections during garbage collection.
10094         * gold.h (queue_middle_gc_tasks): New function.
10095         (is_prefix_of): Move from "layout.cc".
10096         * i386.cc (Target_i386::gc_process_relocs): New function.
10097         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10098         * main.cc (main): Create object of class "Garbage_collection".
10099         * object.cc (Relobj::copy_symbols_data): New function.
10100         (Relobj::is_section_name_included): New function.
10101         (Sized_relobj::do_layout): Allow this function to be called twice
10102         during garbage collection and defer layout of section during the
10103         first call.
10104         * object.h (Relobj::get_symbols_data): New function.
10105         (Relobj::is_section_name_included): New function.
10106         (Relobj::copy_symbols_data): New function.
10107         (Relobj::set_symbols_data): New function.
10108         (Relobj::get_relocs_data): New function.
10109         (Relobj::set_relocs_data): New function.
10110         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10111         (Relobj::gc_process_relocs): New function.
10112         (Relobj::do_gc_process_relocs): New pure virtual function.
10113         (Relobj::sd_): New data member.
10114         (Sized_relobj::is_output_section_offset_invalid): New function.
10115         (Sized_relobj::do_gc_process_relocs): New function.
10116         * options.h (General_options::gc_sections): Modify to not be a no-op.
10117         (General_options::print_gc_sections): New option.
10118         * plugin.cc (Plugin_finish::run): Remove function call to
10119         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10120         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10121         * reloc.cc (Read_relocs::run): Add task to process relocs and
10122         determine unreferenced sections when doing garbage collection.
10123         (Gc_process_relocs): New class.
10124         (Sized_relobj::do_gc_process_relocs): New function.
10125         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10126         sections that are garbage collected.
10127         * reloc.h (Gc_process_relocs): New class.
10128         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10129         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10130         symbols whose corresponding sections are garbage collected.
10131         (Symbol_table::Symbol_table): Add new parameter for the garbage
10132         collection object.
10133         (Symbol_table::gc_mark_undef_symbols): New function.
10134         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10135         (Symbol_table::gc_mark_dyn_syms): New function.
10136         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10137         as garbage.
10138         (Symbol_table::add_from_object): Likewise.
10139         (Symbol_table::add_from_relobj): When building shared objects, do not
10140         treat externally visible symbols as garbage.
10141         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10142         table information for static and relocatable links.
10143         * symtab.h (Symbol_table::set_gc): New function.
10144         (Symbol_table::gc): New function.
10145         (Symbol_table::gc_mark_undef_symbols): New function.
10146         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10147         (Symbol_table::gc_mark_dyn_syms): New function.
10148         (Symbol_table::gc_): New data member.
10149         * target.h (Sized_target::gc_process_relocs): New pure virtual
10150         function.
10151         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10152         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10153
10154 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10155
10156         * options.h (General_options::gc_sections): Define as a no-op for now.
10157         (General_options::no_keep_memory): Ditto.
10158         (General_options::Bshareable): Define.
10159         * options.cc (General_options::finalize): Honor -Bshareable.
10160
10161 2009-01-20  Andreas Schwab  <schwab@suse.de>
10162
10163         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10164         read the value in the contents, since we don't use it.  Use the
10165         template endianness when writing.
10166         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10167
10168 2009-01-19  Andreas Schwab  <schwab@suse.de>
10169
10170         * configure.tgt (powerpc64-*): Fix targ_obj.
10171
10172 2009-01-15  Ian Lance Taylor  <iant@google.com>
10173
10174         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10175         local symbols when stripping all symbols.
10176
10177 2009-01-14  Cary Coutant  <ccoutant@google.com>
10178
10179         * output.cc (Output_reloc): Add explicit instantiations.
10180
10181 2009-01-14  Cary Coutant  <ccoutant@google.com>
10182
10183         * archive.cc (Archive::get_elf_object_for_member): Remove call
10184         to File_read::claim_for_plugin.
10185         * descriptors.cc (Descriptors::open): Remove reference to
10186         is_claimed.
10187         (Descriptors::claim_for_plugin): Remove.
10188         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10189         (Descriptors::is_claimed): Remove.
10190         (claim_descriptor_for_plugin): Remove.
10191         * fileread.cc (File_read::claim_for_plugin): Remove.
10192         * fileread.h (File_read::claim_for_plugin): Remove.
10193         (File_read::descriptor): Reopen descriptor if necessary.
10194         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10195         (Plugin_manager::all_symbols_read): Add task parameter. Change
10196         all callers.
10197         (Plugin_manager::get_input_file): New function.
10198         (Plugin_manager::release_input_file): New function.
10199         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10200         corresponding data member.
10201         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10202         and pass to base constructor. Change all callers.
10203         (get_input_file, release_input_file): New functions.
10204         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10205         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10206         (Plugin_manager::all_symbols_read): Add task parameter.
10207         (Plugin_manager::get_input_file): New function.
10208         (Plugin_manager::release_input_file): New function.
10209         (Plugin_manager::task_): New data member.
10210         (Pluginobj::Pluginobj): Add filesize parameter.
10211         (Pluginobj::filename): New function.
10212         (Pluginobj::descriptor): New function.
10213         (Pluginobj::filesize): New function.
10214         (Pluginobj::filesize_): New data member.
10215         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10216         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10217         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10218
10219         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10220         with archive libraries.
10221         * testsuite/Makefile.in: Regenerate.
10222         * testsuite/plugin_test.c (struct sym_info): New type.
10223         (get_input_file, release_input_file): New static variables.
10224         (onload): Capture new transfer vector entries.
10225         (claim_file_hook): Stop reading at end of file according to filesize.
10226         Factor out parsing of readelf output into separate function.
10227         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10228         APIs and get the source file name from the symbol table.  Convert
10229         source file name to corresponding object file name.  Print info
10230         message when adding new input files.
10231         (parse_readelf_line): New function.
10232         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10233         * testsuite/plugin_test_2.sh: Likewise.
10234         * testsuite/plugin_test_3.sh: Likewise.
10235         * testsuite/plugin_test_4.sh: New test case.
10236
10237 2009-01-07  Ian Lance Taylor  <iant@google.com>
10238
10239         * version.cc (version_string): Bump to 1.8.
10240
10241 2008-12-23  Cary Coutant  <ccoutant@google.com>
10242
10243         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10244         * plugin.cc (Plugin_manager::finish): Rename as
10245         layout_deferred_objects.  Move cleanup to separate function.
10246         (Plugin_manager::cleanup): New function.
10247         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10248         separately.
10249         * plugin.h (Plugin_manager::finish): Rename as
10250         layout_deferred_objects.
10251         (Plugin_manager::cleanup): New function.
10252         (Plugin_manager::cleanup_done): New field.
10253
10254 2008-12-23  Cary Coutant  <ccoutant@google.com>
10255
10256         * plugin.cc (is_visible_from_outside): New function.
10257         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10258         so we don't return "IR only" status for exported symbols or -r links.
10259
10260         * testsuite/Makefile.am (plugin_test_3): New test case.
10261         * testsuite/Makefile.in: Regenerate.
10262         * testsuite/plugin_test_3.sh: New file.
10263
10264 2008-12-22  Cary Coutant  <ccoutant@google.com>
10265
10266         * object.cc (Sized_relobj::layout_section): New function.
10267         (Sized_relobj::do_layout): Defer layout of input sections until after
10268         plugin has provided replacement files.
10269         (Sized_relobj::do_layout_deferred_sections): New function.
10270         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10271         (Relobj::layout_deferred_sections): New function.
10272         (Relobj::do_layout_deferred_sections): New function.
10273         (Sized_relobj::do_layout_deferred_sections): New function.
10274         (Sized_relobj::layout_section): New function.
10275         (Sized_relobj::Deferred_layout): New structure.
10276         (Sized_relobj::deferred_layout_): New field.
10277         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10278         Change all callers.  Layout deferred sections.
10279         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10280         references.
10281         (Plugin_hook::run): Move code from do_plugin_hook inline.
10282         (Plugin_hook::do_plugin_hook): Remove.
10283         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10284         (Plugin_manager::finish): Renamed, was cleanup.
10285         (Plugin_manager::should_defer_layout): New function.
10286         (Plugin_manager::add_deferred_layout_object): New function.
10287         (Plugin_manager::Deferred_layout_list): New type.
10288         (Plugin_manager::deferred_layout_objects_): New field.
10289         (Plugin_hook::do_plugin_hook): Remove.
10290
10291 2008-12-17  Ian Lance Taylor  <iant@google.com>
10292
10293         * options.h (class General_options): Add --no case for
10294         --export-dynamic.
10295
10296 2008-12-16  Cary Coutant  <ccoutant@google.com>
10297
10298         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10299         vector.
10300         (Plugin_manager::claim_file): Create plugin object even if
10301         plugin did not call the add_symbols callback.
10302         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10303         asking for more symbols than were added.
10304         * testsuite/Makefile.am (plugin_test_1): Add test case with
10305         no global symbols.
10306         (empty.syms): New target.
10307         * testsuite/Makefile.in: Regenerate.
10308         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10309         message. Don't call add_symbols if no globals.
10310         (all_symbols_read_hook): Don't provide replacement for empty
10311         claimed file.
10312
10313 2008-12-12  Ian Lance Taylor  <iant@google.com>
10314
10315         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10316         r_type == 0 for a local symbol with r_sym == 0.
10317         (scan_relocatable_relocs): Pass r_sym to
10318         local_non_section_strategy.
10319         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10320         r_sym parameter.
10321
10322         * configure.ac: Update test for TLS descriptors: they are
10323         supported as of glibc 2.9.
10324         * configure: Rebuild.
10325
10326 2008-12-11  Ian Lance Taylor  <iant@google.com>
10327
10328         PR 7091
10329         * target-reloc.h (Default_scan_relocatable_relocs): For each
10330         function, map r_type == 0 to RELOC_DISCARD.
10331
10332 2008-12-10  Cary Coutant  <ccoutant@google.com>
10333
10334         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10335         object to override a kept COMDAT group from a plugin object.
10336
10337 2008-12-09  Ian Lance Taylor  <iant@google.com>
10338
10339         PR 7088
10340         * yyscript.y (file_cmd): Handle INPUT.
10341
10342         * testsuite/initpri1.c: Change all declarations to be full
10343         prototypes by adding void, to avoid compiler warnings.
10344
10345 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10346
10347         * options.cc (General_options::parse_plugin_opt): New.
10348         (General_options::add_plugin): The argument now is just the filename.
10349         (General_options::add_plugin_option): New.
10350         * options.h (plugin_opt): New.
10351         (add_plugin): Change argument name.
10352         (add_plugin_option): New.
10353         * plugin.cc (Plugin::load): Don't parse the plugin option.
10354         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10355         (Plugin::add_option): New.
10356         (Plugin::args_): Change type.
10357         (Plugin::filename_): New.
10358         (Plugin_manager::add_plugin_option): New.
10359         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10360         * testsuite/Makefile.in: Regenerate.
10361
10362 2008-12-05  Cary Coutant  <ccoutant@google.com>
10363
10364         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10365         Handle --strip-lto-sections option.
10366         * options.h (strip_lto_sections): New option.
10367
10368 2008-12-01  Cary Coutant  <ccoutant@google.com>
10369
10370         * plugin.cc (ld_plugin_message): Change format parameter to const.
10371         Fix mismatch between new[] and delete.
10372
10373 2008-11-14  Cary Coutant  <ccoutant@google.com>
10374
10375         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10376         instead of -1U.
10377
10378 2008-11-05  Craig Silverstein  <csilvers@google.com>
10379
10380         * options.cc (General_options::parse_dynamic_list): New function.
10381         * options.h (General_options): New flags dynamic_list,
10382         dynamic_list_data, dynamic_list_cpp_new, and
10383         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10384         (General_options::in_dynamic_list): New function.
10385         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10386         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10387         (Lex::can_continue_name): Likewise.
10388         (yylex): Likewise.
10389         (read_script_file): New parameter script_options.
10390         (read_dynamic_list): New function.
10391         (Script_options::define_dynamic_list): New function.
10392         (dynamic_list_keyword_parsecodes): New variable.
10393         (dynamic_list_keywords): New variable.
10394         * script.h (Script_options::define_dynamic_list): New function
10395         prototype.
10396         (read_dynamic_list): New function prototype.
10397         * symtab.cc (strprefix): New macro.
10398         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10399         dynamic_list_data, dynamic_list_cpp_new, and
10400         dynamic_list_cpp_typeinfo.
10401         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10402         (dynamic_list_expr): New rule.
10403         (dynamic_list_nodes): Likewise.
10404         (dynamic_list_node): Likewise.
10405         * testsuite/Makefile.am (dynamic_list): New test.
10406         * testsuite/Makefile.in: Regenerated.
10407         * testsuite/dynamic_list.t: New file.
10408         * testsuite/dynamic_list.sh: New file.
10409
10410 2008-11-05  Craig Silverstein  <csilvers@google.com>
10411
10412         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10413         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10414         (t11_last): Likewise.
10415         * testsuite/ver_test_6.c (main): Likewise.
10416
10417 2008-10-07  Cary Coutant  <ccoutant@google.com>
10418
10419         * options.c (General_options::finalize): Add check for -static and
10420         -shared.
10421         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10422         is not empty.
10423
10424 2008-10-02  Cary Coutant  <ccoutant@google.com>
10425
10426         * plugin.cc (make_sized_plugin_object): Fix conditional
10427         compilation to work when not all targets are enabled.
10428
10429 2008-09-29  Cary Coutant  <ccoutant@google.com>
10430
10431         * archive.cc (Archive::get_file_and_offset): Use filename instead
10432         of name to get library path.
10433         (Archive::include_member): Unlock external member of a thin archive.
10434
10435         * testsuite/Makefile.am (TEST_AR): New variable.
10436         (thin_archive_test_1): New test.
10437         (thin_archive_test_2): New test.
10438         * testsuite/Makefile.in: Regenerate.
10439         * testsuite/thin_archive_main.cc: New file.
10440         * testsuite/thin_archive_test_1.cc: New file.
10441         * testsuite/thin_archive_test_2.cc: New file.
10442         * testsuite/thin_archive_test_3.cc: New file.
10443         * testsuite/thin_archive_test_4.cc: New file.
10444
10445 2008-09-29  Cary Coutant  <ccoutant@google.com>
10446
10447         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10448         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10449         instead of -1U.
10450         (Sized_relobj::do_finalize_local_symbols): Likewise.
10451         (Sized_relobj::map_to_kept_section): Likewise.
10452         * object.h (Sized_relobj::invalid_address): New constant.
10453         (Sized_relobj::do_output_section_offset): Check for invalid_address
10454         and return -1ULL.
10455         * output.cc (Output_reloc::local_section_offset): Use constant
10456         invalid_address instead of -1U.
10457         (Output_reloc::get_address): Likewise.
10458         (Output_section::output_address): Change -1U to -1ULL.
10459         * output.h (Output_reloc::invalid_address): New constant.
10460         * reloc.cc (Sized_relobj::write_sections): Use constant
10461         invalid_address instead of -1U.
10462         (Sized_relobj::relocate_sections): Likewise.
10463         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10464         values for merge sections.
10465         * target-reloc.h (relocate_for_relocatable): Use constant
10466         invalid_address instead of -1U.
10467
10468 2008-09-19  Cary Coutant  <ccoutant@google.com>
10469
10470         Add plugin functionality for link-time optimization (LTO).
10471         * configure.ac (plugins): Add --enable-plugins option.
10472         * configure: Regenerate.
10473         * config.in: Regenerate.
10474         * Makefile.am (LIBDL): New variable.
10475         (CCFILES): Add plugin.cc.
10476         (HFILES): Add plugin.h.
10477         (ldadd_var): Add LIBDL.
10478         * Makefile.in: Regenerate.
10479
10480         * archive.cc: Include "plugin.h".
10481         (Archive::setup): Don't preread archive symbols when using a plugin.
10482         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10483         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10484         files.
10485         (Archive::include_member): Add symbols from plugin objects.
10486         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10487         * descriptors.cc (Descriptors::open): Check for file descriptors
10488         abandoned by plugins.
10489         (Descriptors::claim_for_plugin): New function.
10490         * descriptors.h (Descriptors::claim_for_plugin): New function.
10491         (Open_descriptor::is_claimed): New field.
10492         (claim_descriptor_for_plugin): New function.
10493         * fileread.cc (File_read::claim_for_plugin): New function.
10494         * fileread.h (File_read::claim_for_plugin): New function.
10495         (File_read::descriptor): New function.
10496         * gold.cc: Include "plugin.h".
10497         (queue_initial_tasks): Add task to call plugin hooks for generating
10498         new object files.
10499         * main.cc: Include "plugin.h".
10500         (main): Load plugin libraries.
10501         * object.h (Pluginobj): Declare.
10502         (Object::pluginobj): New function.
10503         (Object::do_pluginobj): New function.
10504         (Object::set_target): New function.
10505         * options.cc: Include "plugin.h".
10506         (General_options::parse_plugin): New function.
10507         (General_options::General_options): Initialize plugins_ field.
10508         (General_options::add_plugin): New function.
10509         * options.h (Plugin_manager): Declare.
10510         (General_options): Add --plugin option.
10511         (General_options::has_plugins): New function.
10512         (General_options::plugins): New function.
10513         (General_options::add_plugin): New function.
10514         (General_options::plugins_): New field.
10515         * plugin.cc: New file.
10516         * plugin.h: New file.
10517         * readsyms.cc: Include "plugin.h".
10518         (Read_symbols::do_read_symbols): Check for archive before checking
10519         for ELF file.  Call plugin hooks to claim files.
10520         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10521         from a real object file; force override when processing replacement
10522         files.
10523         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10524         (Symbol::init_base_object): Likewise.
10525         (Symbol::init_base_output_data): Likewise.
10526         (Symbol::init_base_output_segment): Likewise.
10527         (Symbol::init_base_constant): Likewise.
10528         (Symbol::init_base_undefined): Likewise.
10529         (Symbol::output_section): Assert that object is not a plugin.
10530         (Symbol_table::add_from_pluginobj): New function.
10531         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10532         undefined.
10533         (Symbol_table::sized_write_globals): Likewise.
10534         (Symbol_table::add_from_pluginobj): Instantiate template.
10535         * symtab.h (Sized_pluginobj): Declare.
10536         (Symbol::in_real_elf): New function.
10537         (Symbol::set_in_real_elf): New function.
10538         (Symbol::in_real_elf_): New field.
10539         (Symbol_table::add_from_pluginobj): New function.
10540
10541         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10542         (LIBDL): New variable.
10543         (LDADD): Add LIBDL.
10544         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10545         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10546         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10547         (MOSTLYCLEANFILES): Likewise.
10548         * testsuite/Makefile.in: Regenerate.
10549         * testsuite/plugin_test.c: New file.
10550         * testsuite/plugin_test_1.sh: New file.
10551         * testsuite/plugin_test_2.sh: New file.
10552
10553 2008-09-16  Ian Lance Taylor  <iant@google.com>
10554
10555         * target-reloc.h (relocate_section): Check whether a symbol is
10556         defined by the ABI before reporting an undefined symbol error.
10557         * target.h (Target::is_defined_by_abi): Make parameter const.
10558         (Target::do_is_defined_by_abi): Likewise.
10559         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10560         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10561         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10562         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10563         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10564         * testsuite/Makefile.in: Rebuild.
10565
10566         * fileread.cc (make_view): Add casts to avoid warning.
10567
10568 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10569
10570         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10571         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10572
10573 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10574
10575         * options.h (General_options::output_is_executable): New.
10576         (General_options::output_is_pie): New.
10577         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10578         for shared libraries.
10579         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10580
10581 2008-09-11  Chris Demetriou  <cgd@google.com>
10582
10583         * options.h (origin): New -z option.
10584         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10585         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10586         in DT_FLAGS_1.
10587
10588 2008-09-05  Cary Coutant  <ccoutant@google.com>
10589
10590         * fileread.cc (File_read::make_view): Add check for attempt to map
10591         beyond end of file.
10592
10593 2008-09-05  Cary Coutant  <ccoutant@google.com>
10594
10595         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10596         explicit instantiations.
10597
10598 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10599
10600         PR gold/6858
10601         * options.cc (General_options::finalize): Allow undefined symbols
10602         in shlibs if linking -shared.
10603
10604         PR gold/6859
10605         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10606         symbols as not needing a dynsym entry.
10607
10608 2008-08-20  Craig Silverstein  <csilvers@google.com>
10609
10610         * fileread.cc (File_read::open): Do not lock the file unless it
10611         was successfully opened.
10612
10613 2008-08-14  Cary Coutant  <ccoutant@google.com>
10614
10615         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10616         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10617         * testsuite/tls_test.cc (struct int128): 128-bit struct
10618         for testing TLS relocs with non-zero addend.
10619         (v12): New TLS variable.
10620         (t12): New test.
10621         (t_last): Add check for v12.
10622         * testsuite/tls_test.h (t12): New function.
10623         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10624
10625 2008-08-13  Ian Lance Taylor  <iant@google.com>
10626
10627         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10628         set tls_segment_ or relro_segment_.
10629         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10630         when appropriate.
10631         * output.h (Output_section::clear_is_relro): New function.
10632         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10633         sections specially even when output_data_ is empty.
10634         (Output_segment::maximum_alignment): When first section is relro,
10635         only force alignment for PT_LOAD segments.
10636         * script.cc (script_data_segment_align): New function.
10637         (script_data_segment_relro_end): New function.
10638         * script-c.h (script_data_segment_align): Declare.
10639         (script_data_segment_relro_end): Declare.
10640         * script-sections.h (class Script_sections): Declare
10641         data_segment_align and data_segment_relro_end.  Add fields
10642         segment_align_index_ and saw_relro_end_.
10643         * script-sections.cc (class Sections_element): Add set_is_relro
10644         virtual function.  Add new bool* parameter to place_orphan_here.
10645         Add get_output_section virtual function.
10646         (class Output_section_definition): Add set_is_relro.  Add new
10647         bool* parameter to place_orphan_here.  Add get_output_section.
10648         Add is_relro_ field.
10649         (Output_section_definition::Output_section_definition): Initialize
10650         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10651         and is_relro_ fields.
10652         (Output_section_definition::place_orphan_here): Add is_relro
10653         parameter.
10654         (Output_section_definition::set_section_addresses): Set relro for
10655         output section.
10656         (Output_section_definition::alternate_constraint): Likewise.
10657         (class Orphan_output_section): Add new bool* parameter to
10658         place_orphan_here.  Add get_output_section.
10659         (Orphan_output_section::place_orphan_here): Add is_relro
10660         parameter.
10661         (Script_sections::Script_sections): Initialize
10662         data_segment_align_index_ and saw_relro_end_.
10663         (Script_sections::data_segment_align): New function.
10664         (Script_sections::data_segment_relro_end): New function.
10665         (Script_sections::place_orphan): Set or clear is_relro.
10666         (Script_sections::set_section_addresses): Force alignment of first
10667         TLS section.
10668         * yyscript.y (exp): Call script_data_segment_align and
10669         script_data_segment_relro_end.
10670         * testsuite/relro_script_test.t: New file.
10671         * testsuite/relro_test.cc (using_script): Declare.
10672         (t1, t2): Test using_script.
10673         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10674         (relro_script_test_SOURCES): Define.
10675         (relro_script_test_DEPENDENCIES): Define.
10676         (relro_script_test_LDFLAGS): Define.
10677         (relro_script_test_LDADD): Define.
10678         (relro_script_test.so): New target.
10679         * testsuite/Makefile.in: Rebuild.
10680
10681 2008-08-06  Cary Coutant <ccoutant@google.com>
10682
10683         * archive.cc (Archive::total_archives, Archive::total_members)
10684         (Archive::total_members_loaded): New variables.
10685         (Archive::setup): Add parameter.  Add option to preread
10686         archive symbols.
10687         (Archive::read_armap): Add counter.
10688         (Archive::get_file_and_offset): New function.
10689         (Archive::get_elf_object_for_member): New function.
10690         (Archive::read_all_symbols): New function.
10691         (Archive::read_symbols): New function.
10692         (Archive::add_symbols): Add counters.
10693         (Archive::include_all_members): Use armap to find members if it's
10694         already built.
10695         (Archive::include_member): Skip reading symbols if already read.
10696         Factored code into Archive::get_file_and_offset and
10697         Archive::get_elf_object_for_member.  Changed call to
10698         Mapfile::report_include_archive_member.
10699         (Archive::print_stats): New function.
10700         * archive.h: Declare Object and Read_symbols_data classes.
10701         (Archive::Archive): Add initializers for new members.
10702         (Archive::setup): Add parameter.
10703         (Archive::print_stats): New function.
10704         (Archive::total_archives, Archive::total_members)
10705         (Archive::total_members_loaded): New variables.
10706         (Archive::get_file_and_offset): New function.
10707         (Archive::get_elf_object_for_member): New function.
10708         (Archive::read_all_symbols): New function.
10709         (Archive::read_symbols): New function.
10710         (Archive::Archive_member): New class.
10711         (Archive::members_): New member.
10712         (Archive::num_members_): New member.
10713         * main.cc: Include archive.h.
10714         (main): Call Archive::print_stats.
10715         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10716         archive parameter; member_name is now the fully-decorated name.
10717         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10718         * options.h: (General_options): Add --preread-archive-symbols option.
10719         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10720         Archive::setup.
10721
10722 2008-08-04  Ian Lance Taylor  <iant@google.com>
10723
10724         * symtab.h (Symbol::use_plt_offset): New function.
10725         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10726         * powerpc.cc (Relocate::relocate): Likewise.
10727         * sparc.cc (Relocate::relocate): Likewise.
10728         * x86_64.cc (Relocate::relocate): Likewise.
10729         * testsuite/weak_plt.sh: New test.
10730         * testsuite/weak_plt_main.cc: New test.
10731         * testsuite/weak_plt_shared.cc: New test.
10732         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10733         (check_PROGRAMS): Add weak_plt.
10734         (check_DATA): Add weak_plt_shared.so.
10735         (weak_plt_main_pic.o, weak_plt): New targets.
10736         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10737         * testsuite/Makefile.in: Rebuild.
10738
10739         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10740         gcctestdir/ld.
10741         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10742         * testsuite/Makefile.in: Rebuild.
10743
10744 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10745
10746         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10747         * Makefile.in: Regenerate.
10748         * po/POTFILES.in: Regenerate.
10749
10750 2008-07-29  Ian Lance Taylor  <iant@google.com>
10751
10752         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10753         symbols before other symbols.
10754         * testsuite/script_test_2.cc (test_addr): Declare.
10755         (test_addr_alias): Declare.
10756         (main): Check that test_addr and test_addr_alias have the right
10757         values.
10758         * testsuite/script_test_2.t: Define test_addr_alias and
10759         test_addr.
10760
10761 2008-07-24  Ian Lance Taylor  <iant@google.com>
10762
10763         PR 5990
10764         * descriptors.cc: New file.
10765         * descriptors.h: New file.
10766         * gold-threads.h (class Hold_optional_lock): New class.
10767         * fileread.cc: Include "descriptors.h".
10768         (File_read::~File_read): Release descriptor rather than closing
10769         it.
10770         (File_read::open) [file]: Call open_descriptor rather than open.
10771         Set is_descriptor_opened_.
10772         (File_read::open) [memory]: Assert that descriptor is not open.
10773         (File_read::reopen_descriptor): New function.
10774         (File_read::release): Release descriptor.
10775         (File_read::do_read): Make non-const.  Reopen descriptor.
10776         (File_read::read): Make non-const.
10777         (File_read::make_view): Reopen descriptor.
10778         (File_read::do_readv): Likewise.
10779         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10780         Update declarations.
10781         * layout.cc: Include "descriptors.h".
10782         (Layout::create_build_id): Use open_descriptor rather than open.
10783         * output.cc: Include "descriptors.h".
10784         (Output_file::open): Use open_descriptor rather than open.
10785         * archive.cc (Archive::const_iterator): Change Archive to be
10786         non-const.
10787         (Archive::begin, Archive::end): Make non-const.
10788         (Archive::count_members): Likewise.
10789         * archive.h (class Archive): Update declarations.
10790         * object.h (Object::read): Make non-const.
10791         * Makefile.am (CCFILES): Add descriptors.cc.
10792         (HFILES): Add descriptors.h.
10793         * Makefile.in: Rebuild.
10794
10795         PR 6716
10796         * gold.h: Always include <clocale>.  Add Solaris workarounds
10797         following code in binutils/sysdep.h.
10798
10799         PR 6048
10800         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10801         this->eh_frame_hdr_ is NULL before using it.
10802
10803         * dynobj.cc (Versions::Versions): Update comment.
10804
10805         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10806         the base version name.
10807
10808         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10809         array size plus one.
10810         (Stringpool_template::set_string_offsets): Subtract one from key
10811         before using it as an array index.
10812         (Stringpool_template::get_offset_with_length): Likewise.
10813         (Stringpool_template::write_to_buffer): Likewise.
10814         * stringpool.h (Stringpool_template::get_offset_from_key):
10815         Likewise.
10816
10817 2008-07-23  Ian Lance Taylor  <iant@google.com>
10818
10819         PR 6658
10820         * object.h (Merged_symbol_value::value): Do our best to handle a
10821         negative addend.
10822
10823         PR 6647
10824         * script.cc (Version_script_info::get_versions): Don't add empty
10825         version tag to return value.
10826         (Version_script_info::get_symbol_version_helper): Change return
10827         type to bool.  Add pversion parameter.  Change all callers.
10828         (script_register_vers_node): Don't require a non-NULL tag.
10829         * script.h (class Version_script_info): Update declarations.
10830         (Version_script_info::get_symbol_version): Change return type to
10831         bool.  Add version parameter.  Change all callers.
10832         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10833         handling.  Handle an empty version from a version script.
10834         (Symbol_table::define_special_symbol): Likewise.
10835         * testsuite/ver_test_10.script: New file.
10836         * testsuite/ver_test_10.sh: New file.
10837         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10838         (check_DATA): Add ver_test_10.syms.
10839         (ver_test_10.syms, ver_test_10.so): New target.
10840         * testsuite/Makefile.in: Rebuild.
10841
10842 2008-07-23  Simon Baldwin  <simonb@google.com>
10843
10844         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10845         to zero for undefined symbols from dynamic libraries.
10846
10847 2008-07-23  Ian Lance Taylor  <iant@google.com>
10848
10849         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10850         Change all callers.
10851         * symtab.h (class Symbol_table): Update declaration.
10852         * testsuite/ver_test_9.cc: New file.
10853         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10854         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10855         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10856         (ver_test_9.so, ver_test_9.o): New targets.
10857         * testsuite/Makefile.in: Rebuild.
10858
10859 2008-07-22  Ian Lance Taylor  <iant@google.com>
10860
10861         * options.h (class General_options): Define --check-sections.
10862         * layout.cc (Layout::set_segment_offsets): Handle
10863         --check-sections.
10864
10865         * options.h (class General_options): Define -n/--nmagic and
10866         -N/--omagic.
10867         * options.cc (General_options::finalize): For -n/--nmagic or
10868         -N/--omagic, set -static.
10869         * layout.cc (Layout::attach_allocated_section_to_segment): If
10870         -N/--omagic, don't put read-only and read-write sections in
10871         different segments.
10872         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10873         finding a read-only segment.
10874         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10875         don't set the minimum segment alignment to the common page size,
10876         and don't set the file offset to the address modulo the page size.
10877         * script-sections.cc (Script_sections::create_segments): If
10878         -n/--omagic, don't put read-only and read-write sections in
10879         different segments.
10880
10881         * cref.cc: New file.
10882         * cref.h: New file.
10883         * options.h (class General_options): Add --print-symbol-counts.
10884         * main.cc (main): Issue defined symbol report if requested.
10885         * archive.cc (Archive::interpret_header): Make into a const member
10886         function.
10887         (Archive::add_symbols): Call Input_objects::archive_start and
10888         archive_stop.
10889         (Archive::const_iterator): Define new class.
10890         (Archive::begin, Archive::end): New functions.
10891         (Archive::include_all_members): Rewrite to use iterator.
10892         (Archive::count_members): New function.
10893         * archive.h (class Archive): Update declarations.
10894         (Archive::filename): New function.
10895         * object.cc: Include "cref.h".
10896         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10897         (Sized_relobj::do_get_global_symbol_counts): New function.
10898         (Input_objects::add_object): Add object to cross-referencer.
10899         (Input_objects::archive_start): New function.
10900         (Input_objects::archive_stop): New function.
10901         (Input_objects::print_symbol_counts): New function.
10902         * object.h: Declare Cref and Archive.
10903         (Object::get_global_symbol_counts): New function.
10904         (Object::do_get_global_symbol_counts): New pure virtual function.
10905         (class Sized_relobj): Add defined_count_ field.  Update
10906         declarations.
10907         (class Input_objects): Add cref_ field.  Update constructor.
10908         Update declarations.
10909         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10910         defined_count_.
10911         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10912         symbol counts.
10913         (Sized_dynobj::do_get_global_symbol_counts): New function.
10914         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10915         defined_count_.  Update declarations.  Define Symbols typedef.
10916         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10917         parameter.  Change all callers.
10918         (Symbol_table::add_from_dynobj): Add sympointers and defined
10919         parameters.  Change all callers.
10920         * symtab.h (class Symbol_table): Update declarations.
10921         * Makefile.am (CCFILES): Add cref.cc.
10922         (HFILES): Add cref.h.
10923         * Makefile.in: Rebuild.
10924
10925 2008-07-22  Simon Baldwin  <simonb@google.com>
10926
10927         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10928         to zero when writing undefined symbols.
10929
10930 2008-07-22  Ian Lance Taylor  <iant@google.com>
10931
10932         * output.cc (Output_section::add_input_section): Don't try to
10933         merge empty merge sections.
10934
10935 2008-07-21  Craig Silverstein  <csilvers@google.com>
10936
10937         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10938         Include symbol version in error message.
10939
10940 2008-07-20  Chris Demetriou  <cgd@google.com>
10941
10942         * configure.ac (gold_cv_c_random_seed): New configured variable.
10943         (RANDOM_SEED_CFLAGS): New substituted variable.
10944         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10945         * configure: Rebuild.
10946         * Makefile.in: Likewise.
10947         * testsuite/Makefile.in: Likewise.
10948
10949 2008-07-18  Ian Lance Taylor  <iant@google.com>
10950
10951         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10952         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10953         * testsuite/ver_test_main.cc (main): Call t4.
10954         (t4, t4_2a): Define.
10955         * testsuite/ver_test_2.cc (t4_2): Define.
10956         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10957         * testsuite/ver_test_4.cc (t4_2a): Define.
10958         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10959         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10960
10961 2008-07-17  Ian Lance Taylor  <iant@google.com>
10962
10963         * dynobj.cc (Versions::add_def): If we give an error about a
10964         missing version, go ahead and create the version anyhow.
10965
10966 2008-07-10  Ian Lance Taylor  <iant@google.com>
10967
10968         Handle output sections with more than 0x7fffffff bytes.
10969         * object.h (class Relobj): Change map_to_output_ to
10970         output_sections_, and just keep a section pointer.  Change all
10971         uses.  Move comdat group support to Sized_relobj.
10972         (Relobj::is_section_specially_mapped): Remove.
10973         (Relobj::output_section): Remove poff parameter.  Change all
10974         callers.
10975         (Relobj::output_section_offset): New function.
10976         (Relobj::set_section_offset): Rewrite.
10977         (Relobj::map_to_output): Remove.
10978         (Relobj::output_sections): New function.
10979         (Relobj::do_output_section_offset): New pure virtual function.
10980         (Relobj::do_set_section_offset): Likewise.
10981         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10982         group support from Relobj.  Update declarations.
10983         (Sized_relobj::get_output_section_offset): New function.
10984         (Sized_relobj::do_output_section_offset): New function.
10985         (Sized_relobj::do_set_section_offset): New function.
10986         * object.cc (Relobj::output_section_address): Remove.
10987         (Sized_relobj::Sized_relobj): Initialize new fields.
10988         (Sized_relobj::include_section_group): Cast find_kept_object to
10989         Sized_relobj.
10990         (Sized_relobj::include_linkonce_section): Likewise.
10991         (Sized_relobj::do_layout): Use separate arrays for output section
10992         and output offset.
10993         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10994         output_sections.
10995         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10996         output_sections and section_offsets.
10997         (Sized_relobj::write_local_symbols): Likewise.
10998         (map_to_kept_section): Compute output address directly.
10999         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
11000         output_sections and section_offsets.
11001         (Sized_relobj::write_sections): Likewise.
11002         (Sized_relobj::relocate_sections): Likewise.
11003         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
11004         * output.h (class Output_reloc): Update declarations.  Change
11005         u2_.relobj to Sized_relobj*.
11006         (class Output_data_reloc): Change add functions to use
11007         Sized_relobj*.
11008         * output.cc (Output_reloc::Output_reloc): Change relobj to
11009         Sized_relobj*.
11010         (Output_reloc::local_section_offset): Change return type to
11011         Elf_Addr.  Use get_output_section_offset.
11012         (Output_reloc::get_address): Likewise.
11013         (Output_section::is_input_address_mapped): Don't call
11014         is_section_specially_mapped.
11015         (Output_section::output_offset): Likewise.
11016         (Output_section::output_address): Likewise.
11017         (Output_section::starting_output_address): Likewise.
11018         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11019         parameter to Sized_relobj*.
11020         (Copy_relocs::need_copy_reloc): Likewise.
11021         (Copy_relocs::save): Likewise.
11022         * copy-relocs.h (class Copy_relocs): Update declarations.
11023         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11024         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11025         * target-reloc.h (relocate_for_relocatable): Change
11026         offset_in_output_section type to Elf_Addr.  Change code that uses
11027         it as well.
11028         * layout.cc (Layout::layout): Always set *off.
11029         * mapfile.cc (Mapfile::print_input_section): Use
11030         output_section_offset.
11031         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11032         Sized_relobj*.
11033         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11034         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11035         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11036
11037 2008-07-03  Ian Lance Taylor  <iant@google.com>
11038
11039         * layout.cc (Layout::include_section): Do not discard unrecognized
11040         SHT_STRTAB sections.
11041
11042 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11043
11044         * script.cc (Lex::can_continue_name): Make '?' allowable in
11045         version-script names.
11046         * testsuite/version_script.map: Change glob pattern to use '?'
11047
11048 2008-06-30  Manish Singh  <yosh@gimp.org>
11049
11050         PR 6585
11051         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11052         Correct typo.
11053
11054 2008-06-30  Ian Lance Taylor  <iant@google.com>
11055
11056         PR 6660
11057         PR 6682
11058         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11059         versions]: Don't try to read the value in the contents, since we
11060         don't use it.  Use the template endianness when writing.
11061
11062 2008-06-25  Cary Coutant  <ccoutant@google.com>
11063
11064         * fileread.cc (File_read::make_view): Assert on zero-length view.
11065         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11066         symbol table when there are no symbols to read.
11067
11068 2008-06-23  Craig Silverstein  <csilvers@google.com>
11069
11070         * version.cc (version_string): Bump to 1.7
11071
11072 2008-06-18  Craig Silverstein  <csilvers@google.com>
11073
11074         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11075         constant 0xFFFF to type Valtype.
11076         (Powerpc_relocate_functions::rel16_ha): Likewise.
11077
11078 2008-06-17  Ian Lance Taylor  <iant@google.com>
11079
11080         * output.h (Output_section::Input_section): Initialize p2align_ to
11081         zero for Output_section_data constructors.
11082         (Output_section::Input_section::addralign): If not an input
11083         section, return the alignment of the Output_section_data.
11084         * testsuite/copy_test.cc: New file.
11085         * testsuite/copy_test_1.cc: New file.
11086         * testsuite/copy_test_2.cc: New file.
11087         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11088         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11089         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11090         (copy_test_1_pic.o, copy_test_1.so): New targets.
11091         (copy_test_2_pic.o, copy_test_2.so): New targets.
11092         * testsuite/Makefile.in: Rebuild.
11093
11094         * script-sections.cc (Script_sections::place_orphan): Initialize
11095         local variable exact.
11096
11097 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11098
11099         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11100
11101 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11102             David S. Miller  <davem@davemloft.net>
11103
11104         * powerpc.cc: New file.
11105         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11106         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11107         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11108         * Makefile.in: Rebuild.
11109
11110 2008-06-09  Ian Lance Taylor  <iant@google.com>
11111
11112         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11113         <exception>.
11114         (throwing, orig_terminate): New static variables.
11115         (terminate_handler): New static function.
11116         (t2): Set terminate handler.
11117
11118 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11119
11120         PR 6584
11121         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11122         alignment.
11123
11124 2008-05-30  Cary Coutant  <ccoutant@google.com>
11125
11126         * archive.cc (Archive::include_all_members) Correct to step
11127         over symbol table and extended name table in thin archives.
11128
11129 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11130
11131         PR 6407
11132         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11133         calculation.
11134
11135 2008-05-28  Caleb Howe  <cshowe@google.com>
11136
11137         * reduced_debug_output.cc: New file.
11138         * reduced_debug_output.h: New file.
11139         * options.h (class General_options): Add --strip-debug-non-line.
11140         * options.cc (General_options::finalize): Add strip_debug_non_line
11141         to the strip heirarchy.
11142         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11143         fields.
11144         * layout.cc: Include "reduced_debug_output.h".
11145         (Layout::Layout): Initialize new fields.
11146         (line_only_debug_sections): New static array.
11147         (is_lines_only_debug_sections): New static inline function.
11148         (Layout::include_section): Handle --strip-debug-non-line.
11149         (Layout::make_output_section): If --strip-debug-non-line, build
11150         new output sections for .debug_abbrev and .debug_info.
11151         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11152         gold.  Warn about possible overflow.
11153         (read_signed_LEB_128): Likewise.
11154         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11155         (read_signed_LEB_128): Declare.
11156         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11157         (HFILES): Add reduced_debug_output.h.
11158         * Makefile.in: Rebuild.
11159
11160 2008-05-21  Ian Lance Taylor  <iant@google.com>
11161
11162         * mapfile.cc: New file.
11163         * mapfile.h: New file.
11164         * options.h (class General_options): Add -M/--print-map and -Map.
11165         * options.cc (General_options::finalize): Make -M equivalent to
11166         -Map -.
11167         * main.cc: Include <cstdio> and "mapfile.h".
11168         (main): Open mapfile if requested.
11169         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11170         constructor.  Change caller.
11171         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11172         (queue_middle_tasks): Likewise.
11173         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11174         declarations.
11175         * archive.cc: Include "mapfile.h".
11176         (Archive::add_symbols): Add mapfile parameter.  Change all
11177         callers.  Pass mapfile, symbol, and reason to include_member.
11178         (Archive::include_all_members): Add mapfile parameter.  Change all
11179         callers.
11180         (Archive::include_member): Add mapfile, sym, and why parameters.
11181         Change all callers.  Report inclusion to map file.
11182         * archive.h: Include "fileread.h".
11183         (class Archive): Update declarations.
11184         (Archive::file): New const method.
11185         (class Add_archive_symbols): Add mapfile_ field.  Update
11186         constructor.  Change all callers.
11187         * readsyms.h (class Read_symbols): Likewise.
11188         (class Finish_group): Likewise.
11189         (class Read_script): Likewise.
11190         * common.cc: Include "mapfile.h".
11191         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11192         all callers.
11193         (Symbol_table::do_allocate_commons): Likewise.
11194         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11195         symbol allocation to mapfile.
11196         * common.h (class Allocate_commons_task): Add mapfile_ field.
11197         Update constructor.  Change all callers.
11198         * symtab.h (class Symbol_table): Update declarations.
11199         * layout.cc: Include "mapfile.h".
11200         (Layout_task_runner::run): Print information to mapfile.
11201         (Layout::create_gold_note): Change Output_data_fixed_space to
11202         Output_data_zero_fill.
11203         (Layout::create_build_id): Likewise.
11204         (Layout::print_to_mapfile): New function.
11205         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11206         constructor.  Change caller.
11207         (class Layout): Declare print_to_mapfile.
11208         * output.cc (Output_section::Input_section::print_to_mapfile): New
11209         function.
11210         (Output_section::add_input_section): If producing a map, always
11211         add to input_sections_ list.
11212         (Output_section::do_print_to_mapfile): New function.
11213         (Output_segment::print_sections_to_mapfile): New function.
11214         (Output_segment::print_section_list_to_mapfile): New function.
11215         * output.h: Include "mapfile.h".
11216         (Output_data::print_to_mapfile): New function.
11217         (Output_data::do_print_to_mapfile): New virtual function.
11218         (Output_segment_headers::do_print_to_mapfile): New function.
11219         (Output_file_header::do_print_to_mapfile): New function.
11220         (Output_data_const::do_print_to_mapfile): New function.
11221         (class Output_data_const_buffer): Add map_name_ field.  Update
11222         constructor.  Change all callers.  Add do_print_to_mapfile
11223         function.
11224         (class Output_data_fixed_space): Likewise.
11225         (class Output_data_space): Likewise.
11226         (class Output_data_zero_fill): New class.
11227         (Output_data_strtab::do_print_to_mapfile): New function.
11228         (Output_data_reloc_base::do_print_to_mapfile): New function.
11229         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11230         (Output_data_group::do_print_to_mapfile): New function.
11231         (Output_data_got::do_print_to_mapfile): New function.
11232         (Output_data_dynamic::do_print_to_mapfile): New function.
11233         (Output_symtab_xindex::do_print_to_mapfile): New function.
11234         (class Output_section): Declare do_print_to_mapflie.  Declare
11235         print_to_mapfile in Input_section.
11236         (class Output_segment): Declare new functions.
11237         * object.h (Sized_relobj::symbol_count): New function.
11238         * script-sections.cc
11239         (Output_section_element_dot_assignment::set_section_addresses):
11240         Change Output_data_fixed_space to Output_data_zero_fill.
11241         (Output_data_expression::do_print_to_mapfile): New function.
11242         * script.cc (read_input_script): Add mapfile parameter.  Change
11243         all callers.
11244         * script.h (read_input_script): Update declaration.
11245         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11246         (Eh_frame::do_print_to_mapfile): New function.
11247         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11248         (Output_merge_string::do_print_to_mapfile): New function.
11249         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11250         function.
11251         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11252         function.
11253         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11254         function.
11255         * Makefile.am (CCFILES): Add mapfile.cc.
11256         (HFILES): Add mapfile.h.
11257         * Makefile.in: Rebuild.
11258
11259 2008-05-19  Ian Lance Taylor  <iant@google.com>
11260
11261         * options.h (class General_options): Add -z relro.
11262         * layout.cc (Layout::Layout): Initialize relro_segment_.
11263         (Layout::add_output_section_data): Return the output section.
11264         (Layout::make_output_section): Rcognize relro sections and mark
11265         them appropriately.
11266         (Layout::attach_allocated_section_to_segment): Put relro sections
11267         in a PT_GNU_RELRO segment.
11268         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11269         section as relro.
11270         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11271         PT_TLS segments.
11272         (Layout::linkonce_mapping): Map d.rel.ro.local to
11273         .data.rel.ro.local.
11274         (Layout::output_section_name): Us .data.rel.ro.local for any
11275         section which begins with that.
11276         * layout.h (class Layout): Update add_output_section_data
11277         declaration.  Add relro_segment_ field.
11278         * output.cc (Output_section::Output_section): Initialize is_relro_
11279         and is_relro_local_ fields.
11280         (Output_segment::add_output_section): Group relro sections.
11281         (Output_segment::is_first_section_relro): New function.
11282         (Output_segment::maximum_alignment): If there is a relro section,
11283         align the segment to the common page size.
11284         (Output_segment::set_section_addresses): Track whether we are
11285         looking at relro sections.  If the last section is a relro
11286         section, align to the common page size.
11287         (Output_segment::set_section_list_addresses): Add in_relro
11288         parameter.  Change all callers.  Align to the page size when
11289         moving from relro to non-relro section.
11290         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11291         segment.
11292         * output.h (class Output_section): Add is_relro_ and
11293         is_relro_local_ fields.
11294         (Output_section::is_relro): New function.
11295         (Output_section::set_is_relro): New function.
11296         (Output_section::is_relro_local): New function.
11297         (Output_section::set_is_relro_local): New function.
11298         (class Output_segment): Update declarations.
11299         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11300         * sparc.cc (Target_sparc::got_section): Likewise.
11301         * x86_64.cc (Target_x86_64::got_section): Likewise.
11302         * testsuite/relro_test_main.cc: New file.
11303         * testsuite/relro_test.cc: New file.
11304         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11305         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11306         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11307         (relro_test.so, relro_test_pic.o): New targets.
11308         * testsuite/Makefile.in: Rebuild.
11309
11310 2008-05-16  Ian Lance Taylor  <iant@google.com>
11311
11312         * output.cc (Output_segment::add_output_section): Remove front
11313         parameter.
11314         * output.h (class Output_segment): Remove
11315         add_initial_output_section and overloaded add_output_section.
11316         Update declaration of remaining add_output_section.
11317         * layout.cc (Layout::create_interp): Call add_output_section
11318         rather than add_initial_output_section.
11319         (Layout::finish_dynamic_section): Likewise.
11320
11321         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11322         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11323         know the dynamic type.
11324         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11325         field.  Initialize it in constructor.
11326         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11327         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11328         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11329         reloc.
11330
11331         * output.cc (Output_reloc::get_address): Change return type to
11332         Elf_Addr.
11333         * output.h (class Output_reloc): Update get_address declaration.
11334         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11335         for section addresses.
11336
11337 2008-05-09  Ian Lance Taylor  <iant@google.com>
11338
11339         PR 6493
11340         * gold.cc (gold_nomem): Use return value of write.
11341
11342 2008-05-08  Ian Lance Taylor  <iant@google.com>
11343
11344         * symtab.c (Symbol::init_base_output_data): Add version
11345         parameter.  Change all callers.
11346         (Symbol::init_base_output_segment): Likewise.
11347         (Symbol::init_base_constant): Likewise.
11348         (Symbol::init_base_undefined): Likewise.
11349         (Sized_symbol::init_output_data): Likewise.
11350         (Sized_symbol::init_output_segment): Likewise.
11351         (Sized_symbol::init_constant): Likewise.
11352         (Sized_symbol::init_undefined): Likewise.
11353         (Symbol_table::do_define_in_output_data): If the new symbol has a
11354         version, mark it as the default.
11355         (Symbol_table::do_define_in_output_segment): Likewise.
11356         (Symbol_table::do_define_as_constant): Likewise.
11357         * symtab.h (class Symbol): Update declarations.
11358         (class Sized_symbol): Likewise.
11359         * resolve.cc (Symbol::override_version): New function.
11360         (Symbol::override_base): Call override_version.
11361         (Symbol::override_base_with_special): Likewise.
11362         * testsuite/ver_script_8.script: New file.
11363         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11364         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11365         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11366         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11367
11368 2008-05-06  Ian Lance Taylor  <iant@google.com>
11369
11370         PR 6049
11371         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11372         functions.
11373         (class General_options): Remove existing --undefined, and add
11374         --no-undefined instead.  Add new --undefined as synonym for -u.
11375         * archive.cc (Archive::add_symbols): Check whether symbol was
11376         named with -u.
11377         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11378         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11379         all uses.  Add IS_UNDEFINED.  Update declarations to split
11380         different versions of init_base.  Declare init_base_undefined.
11381         (Symbol::is_defined): Handle IS_UNDEFINED.
11382         (Symbol::is_undefined): Likewise.
11383         (Symbol::is_weak_undefined): Call is_undefined.
11384         (Symbol::is_absolute): Handle IS_CONSTANT.
11385         (class Sized_symbol): Update declarations to split different
11386         versions of init.  Declare init_undefined.
11387         (class Symbol_table): Declare new functions.
11388         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11389         Change all callers.
11390         (Symbol::init_base_output_data): Likewise.
11391         (Symbol::init_base_output_segment): Likewise.
11392         (Symbol::init_base_constant): Likewise.
11393         (Symbol::init_base_undefined): New function.
11394         (Sized_symbol::init_object): Rename from init.  Change all
11395         callers.
11396         (Sized_symbol::init_output_data): Likewise.
11397         (Sized_symbol::init_output_segment): Likewise.
11398         (Sized_symbol::init_constant): Likewise.
11399         (Sized_symbol::init_undefined): New function.
11400         (Symbol_table::add_undefined_symbols_from_command_line): New
11401         function.
11402         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11403         function.
11404         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11405         (Symbol::output_section): Likewise.
11406         (Symbol::set_output_section): Likewise.
11407         (Symbol_table::sized_finalize_symbol): Likewise.
11408         (Symbol_table::sized_write_globals): Likewise.
11409         * resolve.cc (Symbol_table::should_override): Likewise.
11410         (Symbol::override_base_with_special): Likewise.
11411
11412         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11413         symbol, change it to have default visibility.
11414         * testsuite/protected_1.cc: New file.
11415         * testsuite/protected_2.cc: New file.
11416         * testsuite/protected_3.cc: New file.
11417         * testsuite/protected_main_1.cc: New file.
11418         * testsuite/protected_main_2.cc: New file.
11419         * testsuite/protected_main_3.cc: New file.
11420         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11421         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11422         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11423         (protected_1.so): New target.
11424         (protected_1_pic.o, protected_2_pic.o): New targets.
11425         (protected_3_pic.o): New target.
11426         (check_PROGRAMS): Add protected_2.
11427         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11428         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11429         * testsuite/Makefile.in: Rebuild.
11430
11431         * options.h (DEFINE_var): Add set_user_set_##varname__.
11432         (DEFINE_bool_alias): New macro.
11433         (class General_options): Define -Bstatic using DEFINE_bool_alias
11434         rather than DEFINE_special.  Add --undefined as an alias for -z
11435         defs.
11436         * options.cc (General_options::parse_Bstatic): Remove.
11437
11438         * options.h (class General_options): Add --fatal-warnings.
11439         * main.cc (main): Implement --fatal-warnings.
11440         * errors.h (Errors::warning_count): New function.
11441
11442         * options.h (class General_options): Add -Bsymbolic-functions.
11443         * symtab.h (Symbol::is_preemptible): Check for
11444         -Bsymbolic-functions.
11445
11446 2008-05-05  Ian Lance Taylor  <iant@google.com>
11447
11448         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11449         as noVARNAME rather than no-VARNAME.
11450         (class General_options): Add option -z combreloc.
11451         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11452         get_address.
11453         (Output_reloc::sort_before) [SHT_REL]: New function.
11454         (Output_reloc::sort_before) [SHT_RELA]: New function.
11455         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11456         Sort_relocs_comparison.
11457         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11458         parameter.  Change all callers.
11459         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11460         sort_relocs parameter.  Change all callers.
11461         * output.cc (Output_reloc::get_address): New function, broken out
11462         of write_rel.
11463         (Output_reloc::write_rel): Call it.
11464         (Output_reloc::compare): New function.
11465         (Output_data_reloc_base::do_write): Optionally sort relocs.
11466
11467         * configure.ac: If targ_extra_obj is set, link it in.
11468         * configure.tgt: Initialize all variables.
11469         (x86_64*): Set targ_extra_obj and targ_extra_size.
11470         * configure: Rebuild.
11471
11472         * object.cc (Sized_relobj::include_section_group): Adjust section
11473         indexes read from group data.  Build vector to pass to
11474         layout_group.
11475         * layout.cc (Layout::layout_group): Add flags and shndxes
11476         parameters.  Remove contents parameter.  Change caller.  Update
11477         explicit instantiations.
11478         * layout.h (class Layout): Update layout_group declaration.
11479         * output.cc (Output_data_group::Output_data_group): Add flags and
11480         input_shndxes parameters.  Remove contents parameter.  Change
11481         caller.
11482         (Output_data_group::do_write): Change input_sections_ to
11483         input_shndxes_.
11484         * output.h (class Output_data_group): Update constructor
11485         declaration.  Rename input_sections_ to input_shndxes_.
11486         * testsuite/many_sections_test.cc: Add template.
11487
11488 2008-04-30  Cary Coutant  <ccoutant@google.com>
11489
11490         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11491
11492         * layout.cc (Layout::include_section): Refactored check for debug
11493         info section.
11494         (Layout::add_comdat): Add new parameters.  Change type
11495         of signature parameter.  Add object and shndx to signatures table.
11496         (Layout::find_kept_object): New function.
11497         * layout.h: Include <cstring>.
11498         (Layout::is_debug_info_section): New function.
11499         (Layout::add_comdat): Add new parameters.
11500         (Layout::find_kept_object): New function.
11501         (Layout::Kept_section): New struct.
11502         (Layout::Signatures): Change type of map range.
11503         * object.cc (Relobj::output_section_address): New function.
11504         (Sized_relobj::include_section_group): Add new parameters.  Change
11505         calls to Layout::add_comdat.  Change to build table of kept comdat
11506         groups and table mapping discarded sections to kept sections.
11507         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11508         (Sized_relobj::do_layout): Change calls to include_section_group and
11509         include_linkonce_section.
11510         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11511         value to zero when section is discarded.
11512         (Sized_relobj::map_to_kept_section): New function.
11513         * object.h (Relobj::output_section_address): New function.
11514         (Relobj::Comdat_group): New type.
11515         (Relobj::find_comdat_group): New function.
11516         (Relobj::Comdat_group_table): New type.
11517         (Relobj::Kept_comdat_section): New type.
11518         (Relobj::Kept_comdat_section_table): New type.
11519         (Relobj::add_comdat_group): New function.
11520         (Relobj::set_kept_comdat_section): New function.
11521         (Relobj::get_kept_comdat_section): New function.
11522         (Relobj::comdat_groups_): New field.
11523         (Relobj::kept_comdat_sections_): New field.
11524         (Symbol_value::input_value): Update comment.
11525         (Sized_relobj::map_to_kept_section) New function.
11526         (Sized_relobj::include_linkonce_section): Add new parameter.
11527         * target-reloc.h (Comdat_behavior): New type.
11528         (get_comdat_behavior): New function.
11529         (relocate_section): Add code to map a discarded section to the
11530         corresponding kept section when applying a relocation.
11531
11532 2008-04-30  Craig Silverstein  <csilvers@google.com>
11533
11534         * dwarf_reader.cc (next_generation_count): New static var.
11535         (Addr2line_cache_entry): New struct.
11536         (addr2line_cache): New static var.
11537         (Dwarf_line_info::one_addr2line): Added caching.
11538         (Dwarf_line_info::clear_addr2line_cache): New function.
11539         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11540         cache-size parameter.
11541         (Dwarf_line_info::one_addr2line_cache): New function.
11542         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11543         new cache-size argument to one_addr2line(), and clear cache.
11544
11545 2008-04-28  Cary Coutant  <ccoutant@google.com>
11546
11547         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11548         R_386_PC8 relocations.
11549
11550 2008-04-23  Ian Lance Taylor  <iant@google.com>
11551
11552         * object.cc (Sized_relobj::include_section_group): Check for
11553         invalid section group.
11554
11555         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11556         header size.
11557
11558         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11559         than read for file header.
11560         * archive.cc (Archive::include_member): Likewise.
11561
11562 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11563
11564         * aclocal.m4: Regenerate.
11565         * configure: Regenerate.
11566
11567 2008-04-19  Ian Lance Taylor  <iant@google.com>
11568
11569         * version.cc (version_string): Bump to 1.6.
11570
11571         * testsuite/Makefile.am (many_sections_r_test): New target.
11572         (many_sections_r_test_SOURCES): Remove.
11573         (many_sections_r_test_DEPENDENCIES): Remove.
11574         (many_sections_r_test_LDFLAGS): Remove.
11575         (many_sections_r_test_LDADD): Remove.
11576
11577         * object.cc (Sized_relobj::do_add_symbols): Always pass
11578         local_symbol_count_ to add_from_relobj.
11579
11580         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11581         every thousand variables.
11582         * testsuite/Makefile.in: Rebuild.
11583
11584         * object.cc (Xindex::initialize_symtab_xindex): New function.
11585         (Xindex::read_symtab_xindex): New function.
11586         (Xindex::sym_xindex_to_shndx): New function.
11587         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11588         available.
11589         (Sized_relobj::do_initialize_xindex): New function.
11590         (Sized_relobj::do_read_symbols): Adjust section links.
11591         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11592         parameter.  Change all callers.
11593         (Sized_relobj::include_section_group): Adjust section links and
11594         symbol section indexes.
11595         (Sized_relobj::do_layout): Adjust section links.
11596         (Sized_relobj::do_count_local_symbols): Adjust section links and
11597         symbol section indexes.
11598         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11599         ordinary and special symbols.
11600         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11601         dynsym_xindex parameters.  Change all callers.  Adjust section
11602         links.  Use SHN_XINDEX when needed.
11603         (Sized_relobj::get_symbol_location_info): Adjust section links.
11604         Don't get fooled by special symbols.
11605         * object.h (class Xindex): Define.
11606         (class Object): Add xindex_ parameter.  Declare virtual functoin
11607         do_initialize_xindex.
11608         (Object::adjust_sym_shndx): New function.
11609         (Object::set_xindex): New protected function.
11610         (class Symbol_value): Add is_ordinary_shndx_ field.
11611         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11612         (Symbol_value::value): Assert ordinary section.
11613         (Symbol_value::initialize_input_to_output_map): Likewise.
11614         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11615         Change all callers.
11616         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11617         all callers.
11618         (class Sized_relobj): Update declarations.
11619         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11620         parameter.  Change all callers.
11621         (Sized_relobj::adjust_shndx): New function.
11622         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11623         field.
11624         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11625         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11626         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11627         (Sized_dynobj::read_dynsym_section): Adjust section links.
11628         (Sized_dynobj::read_dynamic): Likewise.
11629         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11630         section links.
11631         (Sized_dynobj::do_initialize_xindex): New function.
11632         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11633         do_initialize_xindex.
11634         (Sized_dynobj::adjust_shndx): New function.
11635         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11636         dynsym_xindex_ fields.
11637         (Layout::finalize): Add a call to set_section_indexes before
11638         creating the symtab sections.
11639         (Layout::set_section_indexes): Don't do anything if the section
11640         already has a section index.
11641         (Layout::create_symtab_sections): Add shnum parameter.  Change
11642         caller.  Create .symtab_shndx section if needed.
11643         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11644         caller.
11645         (Layout::allocated_output_section_count): New function.
11646         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11647         needed.
11648         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11649         fields.  Update declarations.
11650         (Layout::symtab_xindex): New function.
11651         (Layout::dynsym_xindex): New function.
11652         (class Write_symbols_task): Add layout_ field.
11653         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11654         Change caller.
11655         * output.cc (Output_section_headers::Output_section_headers): Add
11656         shstrtab_section parameter.  Change all callers.
11657         (Output_section_headers::do_sized_write): Store overflow values
11658         for section count and section string table section index in
11659         section header zero.
11660         (Output_file_header::do_sized_write): Check for overflow of
11661         section count and section string table section index.
11662         (Output_symtab_xindex::do_write): New function.
11663         (Output_symtab_xindex::endian_do_write): New function.
11664         * output.h (class Output_section_headers): Add shstrtab_section_.
11665         Update declarations.
11666         (class Output_symtab_xindex): Define.
11667         (Output_section::has_out_shndx): New function.
11668         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11669         field.
11670         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11671         Change all callers.
11672         (Sized_symbol::init): Likewise.
11673         (Symbol::output_section): Check for ordinary symbol.
11674         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11675         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11676         callers.
11677         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11678         Change all callers.  Simplify handling of symbols from sections
11679         not included in the link.
11680         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11681         distinction.
11682         (Weak_alias_sorter::operator()): Assert that symbols are
11683         ordinary.
11684         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11685         distinction.
11686         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11687         parameters.  Change all callers.
11688         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11689         symbol distinction.  Use SHN_XINDEX when needed.
11690         (Symbol_table::write_section_symbol): Add symtab_xindex
11691         parameter.  Change all callers.
11692         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11693         SHN_XINDEX when needed.
11694         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11695         declarations.
11696         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11697         (Symbol::is_defined): Check is_ordinary.
11698         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11699         (Symbol::is_absolute, Symbol::is_common): Likewise.
11700         (class Sized_symbol): Update declarations.
11701         (class Symbol_table): Update declarations.
11702         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11703         parameters.  Change all callers.
11704         (Sized_symbol::override): Likewise.
11705         (Symbol_table::override): Likewise.
11706         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11707         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11708         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11709         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11710         to be in an ordinary section.
11711         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11712         object and is_ordinary parameters.  Change all callers.
11713         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11714         Change all callers.  Don't add undefined or non-ordinary symbols
11715         to reloc_map_.
11716         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11717         Change all callers.
11718         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11719         declarations.
11720         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11721         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11722         (Sized_relobj::relocate_sections): Likewise.
11723         * target-reloc.h (scan_relocs): Adjust section symbol index.
11724         (scan_relocatable_relocs): Likewise.
11725         * i386.cc (Scan::local): Check for ordinary symbols.
11726         * sparc.cc (Scan::local): Likewise.
11727         * x86_64.cc (Scan::local): Likewise.
11728         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11729         to symbol_section_and_value.
11730         * testsuite/many_sections_test.cc: New file.
11731         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11732         (check_PROGRAMS): Add many_sections_test.
11733         (many_sections_test_SOURCES): Define.
11734         (many_sections_test_DEPENDENCIES): Define.
11735         (many_sections_test_LDFLAGS): Define.
11736         (BUILT_SOURCES): Add many_sections_define.h.
11737         (many_sections_define.h): New target.
11738         (BUILT_SOURCES): Add many_sections_check.h.
11739         (many_sections_check.h): New target.
11740         (check_PROGRAMS): Add many_sections_r_test.
11741         (many_sections_r_test_SOURCES): Define.
11742         (many_sections_r_test_DEPENDENCIES): Define.
11743         (many_sections_r_test_LDFLAGS): Define.
11744         (many_sections_r_test_LDADD): Define.
11745         (many_sections_r_test.o): New target.
11746         * testsuite/Makefile.in: Rebuild.
11747
11748 2008-04-17  Cary Coutant  <ccoutant@google.com>
11749
11750         * errors.cc (Errors::info): New function.
11751         (gold_info): New function.
11752         * errors.h (Errors::info): New function.
11753         * gold.h (gold_info): New function.
11754         * object.cc (Input_objects::add_object): Print trace output.
11755         * options.cc (options::parse_set): New function.
11756         (General_options::parse_wrap): Deleted.
11757         (General_options::General_options): Deleted initializer.
11758         * options.h (options::String_set): New typedef.
11759         (options::parse_set): New function.
11760         (DEFINE_set): New macro.
11761         (General_options::wrap): Changed to use DEFINE_set. Changed
11762         callers of any_wrap_symbols and is_wrap_symbol.
11763         (General_options::trace, General_options::trace_symbol):
11764         New options.
11765         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11766         (General_options::wrap_symbols_): Deleted.
11767         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11768
11769 2008-04-17  David S. Miller  <davem@davemloft.net>
11770
11771         * options.cc (General_options::parse_V): New function.
11772         * options.h: Add entries for -V and -Qy.
11773
11774 2008-04-17  Ian Lance Taylor  <iant@google.com>
11775
11776         * common.cc (Symbol_table::allocate_commons): Remove options
11777         parameter.  Change caller.
11778         (Symbol_table::do_allocate_commons): Remove options parameter.
11779         Change caller.  Just call do_allocate_commons_list twice.
11780         (Symbol_table::do_allocate_commons_list): New function, broken out
11781         of do_allocate_commons.
11782         * common.h (class Allocate_commons_task): Remove options_ field.
11783         Update constructor.
11784         * symtab.cc (Symbol_table::Symbol_table): Initialize
11785         tls_commons_.
11786         (Symbol_table::add_from_object): Put TLS common symbols on
11787         tls_commons_ list.
11788         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11789         which are IN_OUTPUT_DATA.
11790         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11791         allocate_commons and do_allocate_commons declarations.  Declare
11792         do_allocate_commons_list.
11793         * gold.cc (queue_middle_tasks): Update creation of
11794         Allocate_commons_task to not pass options.
11795         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11796         (TLS_TEST_C_FLAGS): New variable.
11797         (tls_test_c_pic.o): New target.
11798         (tls_test_shared.so): Link in tls_test_c_pic.o.
11799         (tls_test_c_pic_ie.o): New target.
11800         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11801         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11802         (tls_test_c.o): New target.
11803         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11804         (tls_pic_test_LDADD): Likewise.
11805         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11806         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11807         (tls_test_c_gnu2.o): New target.
11808         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11809         tls_test_c_gnu2.o.
11810         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11811         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11812         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11813         * testsuite/tls_test.cc: Include "config.h".
11814         (t_last): Call t11_last.
11815         * testsuite/tls_test.h (t11, t11_last): Declare.
11816         * testsuite/tls_test_c.c: New file.
11817         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11818         * configure.ac: Check for OpenMP support.
11819         * configure, config.in, Makefile.in: Rebuild.
11820         * testsuite/Makefile.in: Rebuild.
11821
11822 2008-04-16  Cary Coutant  <ccoutant@google.com>
11823
11824         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11825         (Target_i386::tls_base_symbol_defined_): New field.
11826         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11827         (Target_i386::Scan::global): Likewise.
11828         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11829         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11830         (Target_x86_64::tls_base_symbol_defined_): New field.
11831         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11832         (Target_x86_64::Scan::global): Likewise.
11833
11834 2008-04-16  Cary Coutant  <ccoutant@google.com>
11835
11836         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11837         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11838         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11839         building shared libraries.
11840         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11841         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11842         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11843         * testsuite/Makefile.in: Rebuild.
11844         * testsuite/weak_undef.h: New file.
11845         * testsuite/weak_undef_file1.cc: Add extra test cases.
11846         * testsuite/weak_undef_file2.cc: Likewise.
11847         * testsuite/weak_undef_test.cc: Likewise.
11848
11849 2008-04-16  David S. Miller  <davem@davemloft.net>
11850
11851         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11852         Add issued_non_pic_error_ field.  Declare check_non_pic.
11853         (Target_sparc::Scan::check_non_pic): New function.
11854         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11855         (Target_sparc::Scan::global): Likewise.
11856
11857         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11858         * configure: Rebuild.
11859
11860         * options.h (DEFINE_enable): New macro.
11861         (new_dtags): New enable option.
11862         (initfirst, interpose, loadfltr, nodefaultlib,
11863         nodelete, nodlopen, nodump): New -z options.
11864         * layout.cc (Layout:finish_dynamic_section): If new
11865         dtags enabled, emit DT_RUNPATH.  Also, emit a
11866         DT_FLAGS_1 containing any specified -z flags.
11867
11868 2008-04-16  Ian Lance Taylor  <iant@google.com>
11869
11870         * copy-relocs.cc: New file.
11871         * copy-relocs.h: New file.
11872         * reloc.cc: Remove Copy_relocs code.
11873         * reloc.h: Likewise.
11874         * reloc-types.h (struct Reloc_types) [both versions]: Add
11875         get_reloc_addend_noerror.
11876         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11877         variants of add_global which take an addend which must be zero.
11878         * i386.cc: Include "copy-relocs.h".
11879         (class Target_i386): Change type of copy_relocs_ to variable,
11880         update initializer.
11881         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11882         Change all callers.
11883         (Target_i386::do_finalize_sections): Change handling of
11884         copy_relocs_.
11885         * sparc.cc: Include "copy-relocs.h".
11886         (class Target_sparc): Change type of copy_relocs_ to variable,
11887         update initializer.
11888         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11889         Change all callers.
11890         (Target_sparc::do_finalize_sections): Change handling of
11891         copy_relocs_.
11892         * x86_64.cc: Include "copy-relocs.h".
11893         (class Target_x86_64): Change type of copy_relocs_ to variable,
11894         update initializer.
11895         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11896         class.  Change all callers.
11897         (Target_x86_64::do_finalize_sections): Change handling of
11898         copy_relocs_.
11899         * Makefile.am (CCFILES): Add copy-relocs.cc.
11900         (HFILES): Add copy-relocs.h.
11901
11902         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11903
11904         * testsuite/script_test_4.sh: Permit leading zeroes.
11905
11906 2008-04-15  Ian Lance Taylor  <iant@google.com>
11907
11908         * script-sections.cc (Script_sections::create_segments): Use
11909         header_size_adjustment even when there is enough room for the
11910         headers.
11911         * testsuite/script_test_4.sh: New file.
11912         * testsuite/script_test_4.t: New file.
11913         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11914         (check_DATA): Add script_test_4.stdout.
11915         (MOSTLYCLEANFILES): Likewise.
11916         (script_test_4): New target.
11917         (script_test_4.stdout): New target.
11918         * testsuite/Makefile.in: Rebuild.
11919
11920         * sparc.cc: Add definitions for Output_data_plt_sparc class
11921         constants.
11922
11923 2008-04-14  David S. Miller  <davem@davemloft.net>
11924
11925         * sparc.cc: New file.
11926         * Makefile.am (TARGETSOURCES): Add sparc.cc
11927         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11928         * configure.tgt: Document targ_extra_size and
11929         targ_extra_big_endian.  Add entries for sparc-* and
11930         sparc64-*.
11931         * configure.ac: Handle targ_extra_size and
11932         targ_extra_big_endian.
11933         * Makefile.in: Rebuild.
11934         * configure: Likewise.
11935         * po/POTFILES.in: Likewise.
11936         * po/gold.pot: Likewise.
11937
11938 2008-04-14  Ian Lance Taylor  <iant@google.com>
11939
11940         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11941         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11942         in the name/type/flags to section mapping.  Don't call
11943         allocate_output_section.
11944         (Layout::choose_output_section): Change parameter from adjust_name
11945         to is_input_section.  Don't permit input sections after sections
11946         are attached to segments.  Don't call allocate_output_section.
11947         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11948         not write_enable_output_section.
11949         (Layout::make_output_section): Don't push to
11950         unattached_section_list_ nor call attach_to_segment.  Call
11951         attach_section_to_segment if sections are attached.
11952         (Layout::attach_sections_to_segments): New function.
11953         (Layout::attach_section_to_segment): New function.
11954         (Layout::attach_allocated_section_to_segment): Rename from
11955         attach_to_segment.  Remove flags parameter.
11956         (Layout::allocate_output_section): Remove function.
11957         (Layout::write_enable_output_section): Remove function.
11958         * layout.h (class Layout): Update for above changes.  Add new
11959         field sections_are_attached_.
11960         * output.h (Output_section::update_flags_for_input_section): New
11961         function.
11962         * output.cc (Output_section::add_input_section): Call
11963         update_flags_for_input_section.
11964         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11965
11966 2008-04-11  Cary Coutant  <ccoutant@google.com>
11967
11968         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11969         thought unnecessary.
11970         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11971
11972 2008-04-11  Ian Lance Taylor  <iant@google.com>
11973
11974         * output.h (class Output_section_data): Remove inline definition
11975         of set_addralign.
11976         * output.cc (Output_section_data::set_addralign): New function.
11977
11978 2008-04-11  Cary Coutant  <ccoutant@google.com>
11979
11980         Add support for TLS descriptors for i386 and x86_64.
11981         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11982         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11983         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11984         GOT_TYPE_TLS_DESC.
11985         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11986         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11987         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11988         relocations.
11989         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11990         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11991         Fix problem with initial-exec relocations.
11992         (Target_i386::Relocate::relocate_tls): Likewise.
11993         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11994         relaxation.
11995         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11996         support for section-plus-offset dynamic table entries.
11997         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11998         (Output_data_dynamic::Dynamic_entry): Add support for
11999         section-plus-offset dynamic table entries.
12000         (Output_data_dynamic::Classification): Likewise.
12001         (Output_data_dynamic::classification_): Renamed offset_.
12002         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
12003         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
12004         (Target_x86_64::make_plt_section): New function.
12005         (Target_x86_64::reserve_tlsdesc_entries): New function.
12006         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
12007         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
12008         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
12009         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
12010         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
12011         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
12012         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
12013         add extra PLT entry for TLS descriptors.
12014         (Output_data_plt_x86_64::got_): New field.
12015         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12016         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12017         fields.
12018         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12019         descriptors.
12020         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12021         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12022         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12023         R_386_TLS_DESC_CALL relocations.
12024         (Target_x86_64::Scan::global): Likewise.
12025         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12026         for TLS descriptors.
12027         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12028         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12029         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12030         GD-to-IE relaxation.
12031         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12032         and TLS_DESCRIPTORS.
12033         * Makefile.in: Rebuild.
12034         * configure: Rebuild.
12035         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12036         (tls_test_shared2.so): New target.
12037         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12038         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12039         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12040         (tls_shared_gd_to_ie_test_LDADD): New variable.
12041         (tls_shared_gnu2_gd_to_ie_test): New target.
12042         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12043         New targets.
12044         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12045         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12046         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12047         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12048         (tls_shared_gnu2_test): New target.
12049         (tls_test_gnu2_shared.so): New target.
12050         (tls_shared_gnu2_test_SOURCES): New variable.
12051         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12052         (tls_shared_gnu2_test_LDFLAGS): New variable.
12053         (tls_shared_gnu2_test_LDADD): New variable.
12054         * testsuite/Makefile.in: Rebuild.
12055         * testsuite/Makefile.
12056
12057 2008-04-11  Ian Lance Taylor  <iant@google.com>
12058
12059         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12060         justsyms.t.
12061         * testsuite/Makefile.in: Rebuild.
12062
12063         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12064         long.
12065         * testsuite/script_test_2.cc (main): Adjust test.
12066
12067 2008-04-11  David S. Miller  <davem@davemloft.net>
12068             Ian Lance Taylor  <iant@google.com>
12069
12070         * options.h (General_options): Add entries for '-Y' and
12071         '-relax'.
12072         * options.cc (General_options:finalize): If -Y was used, add those
12073         entries to the library path instead of the default "/lib" and
12074         "/usr/lib".
12075
12076 2008-04-11  David S. Miller  <davem@davemloft.net>
12077
12078         * testsuite/justsyms.t: Start at 0x100.
12079         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12080         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12081         long.
12082         * testsuite/script_test_2.cc: Adjust string and section length
12083         checks.
12084
12085 2008-04-09  Ian Lance Taylor  <iant@google.com>
12086
12087         PR gold/5996
12088         * script-sections.cc (Sections_element::allocate_to_segment): Add
12089         orphan parameter.
12090         (Output_section_definition::allocate_to_segment): Likewise.
12091         (Orphan_output_section::allocate_to_segment): Likewise.
12092         (Script_sections::attach_sections_using_phdrs_clause): Don't
12093         propagate non-PT_LOAD segments to orphan sections.
12094         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12095         readelf rather than objdump.
12096         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12097         .interp section and PT_INTERP segment are the same size.
12098         * testsuite/Makefile.in: Rebuild.
12099
12100         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12101         aliases for symbols defined in the same object.
12102         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12103         (weak_alias_test_SOURCES): New variable.
12104         (weak_alias_test_DEPENDENCIES): New variable.
12105         (weak_alias_test_LDFLAGS): New variable.
12106         (weak_alias_test_LDADD): New variable.
12107         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12108         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12109         (weak_alias_test_3.o): New target.
12110         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12111         * testsuite/weak_alias_test_main.cc: New file.
12112         * testsuite/weak_alias_test_1.cc: New file.
12113         * testsuite/weak_alias_test_2.cc: New file.
12114         * testsuite/weak_alias_test_3.cc: New file.
12115
12116 2008-04-08  Ian Lance Taylor  <iant@google.com>
12117
12118         * options.h (class General_options): Add --noinhibit-exec option.
12119         * main.cc (main): Check --noinhibit-exec.
12120
12121         * options.h (class General_options): Define --wrap as a special
12122         option.  Add wrap_symbols_ field.
12123         (General_options::any_wrap_symbols): New function.
12124         (General_options::is_wrap_symbol): New function.
12125         * options.cc (General_options::parse_wrap): New function.
12126         (General_options::General_options): Initialize wrap_symbols_.
12127         * symtab.cc (Symbol_table::wrap_symbol): New function.
12128         (Symbol_table::add_from_object): Handle --wrap.
12129         * symtab.h (class Symbol_table): Declare wrap_symbol.
12130         * target.h (Target::wrap_char): New function.
12131         (Target::Target_info): Add wrap_char field.
12132         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12133         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12134         * testsuite/testfile.cc (Target_test::test_target_info):
12135         Likewise.
12136
12137         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12138         there is one.
12139
12140         * layout.h (class Layout): Add added_eh_frame_data_ field.
12141         * layout.cc (Layout::Layout): Initialize new field.
12142         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12143         output section until we find a section we merged successfully.
12144         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12145         that the size be non-zero.
12146
12147         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12148         qualifier.
12149
12150 2008-04-08  Craig Silverstein  <csilvers@google.com>
12151
12152         * configure.ac: Export new conditional variable HAVE_ZLIB.
12153         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12154         on HAVE_ZLIB.
12155         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12156         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12157
12158 2008-04-07  Ian Lance Taylor  <iant@google.com>
12159
12160         * version.cc (version_string): Set to "1.5".
12161
12162         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12163         Add issued_non_pic_error_ field.  Declare check_non_pic.
12164         (Target_x86_64::Scan::check_non_pic): New function.
12165         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12166         (Target_x86_64::Scan::global): Likewise.
12167
12168         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12169         addend parameter.  Change caller.  Handle merge sections.
12170         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12171         Address to Addend.  Don't add in the result of
12172         local_section_offset, pass down the addend and use the returned
12173         value.
12174         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12175         Update declarations of local_section_offset and symbol_value.
12176         * testsuite/two_file_test_1.cc (t18): New function.
12177         * testsuite/two_file_test_2.cc (f18): New function.
12178         * testsuite/two_file_test_main.cc (main): Call t18.
12179         * testsuite/two_file_test.h (t18, f18): Declare.
12180
12181         * configure.ac: Don't test for objdump, c++filt, or readelf.
12182         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12183         conditionals.
12184         (TEST_READELF): New variable.
12185         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12186         (check_PROGRAMS): Add two_file_strip_test.
12187         (two_file_strip_test): New target.
12188         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12189         (two_file_same_shared_strip_test_SOURCES): New variable.
12190         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12191         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12192         (two_file_same_shared_strip_test_LDADD): New variable.
12193         (two_file_shared_strip.so): New target.
12194         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12195         (ver_test_5.syms, ver_test_7.syms): Likewise.
12196         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12197         (strip_test_3.stdout): Use TEST_OBJDUMP.
12198         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12199
12200 2008-04-04  Cary Coutant  <ccoutant@google.com>
12201
12202         * symtab.h (Symbol::is_weak_undefined): New function.
12203         (Symbol::is_strong_undefined): New function.
12204         (Symbol::is_absolute): New function.
12205         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12206         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12207         absolute symbols.
12208         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12209         (weak_undef_test): New target.
12210         * testsuite/Makefile.in: Rebuild.
12211         * testsuite/weak_undef_file1.cc: New file.
12212         * testsuite/weak_undef_file2.cc: New file.
12213         * testsuite/weak_undef_test.cc: New file.
12214
12215 2008-04-03  Craig Silverstein  <csilvers@google.com>
12216
12217         * compressed_output.h (class Output_compressed_section): Use
12218         unsigned buffer.
12219         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12220         add zlib header.
12221         (zlib_compressed_suffix): Removed.
12222         (Output_compressed_section::set_final_data_size): Use unsigned
12223         buffers.
12224         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12225         Fix linker invocation.
12226         (flagstest_o_specialfile_and_compress_debug_sections):
12227         Likewise.
12228         * testsuite/Makefile.in: Regenerated.
12229
12230 2008-04-02  David S. Miller  <davem@davemloft.net>
12231
12232         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12233         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12234
12235 2008-04-02  Craig Silverstein  <csilvers@google.com>
12236
12237         * TODO: New file.
12238
12239 2008-04-02  Ian Lance Taylor  <iant@google.com>
12240
12241         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12242         parameters.  Update for new key type to views_.  Change all
12243         callers.
12244         (File_read::read): Adjust for byteshift in returned view.
12245         (File_read::add_view): New function, broken out of
12246         find_and_make_view.
12247         (File_read::make_view): New function, broken out of
12248         find_and_make_view.
12249         (File_read::find_or_make_view): Add offset and aligned
12250         parameters.  Rewrite accordingly.  Change all callers.
12251         (File_read::get_view): Add offset and aligned parameters.  Adjust
12252         for byteshift in return value.
12253         (File_read::get_lasting_view): Likewise.
12254         * fileread.h (class File_read): Update declarations.
12255         (class File_read::View): Add byteshift_ field.  Add byteshift to
12256         constructor.  Add byteshift method.
12257         * archive.h (Archive::clear_uncached_views): New function.
12258         (Archive::get_view): Add aligned parameter.  Change all callers.
12259         * object.h (Object::get_view): Add aligned parameter.  Change all
12260         callers.
12261         (Object::get_lasting_view): Likewise.
12262
12263         * fileread.cc (File_read::release): Don't call clear_views if
12264         there are multiple objects.
12265         * fileread.h (File_read::clear_uncached_views): New function.
12266         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12267         on the archive.
12268
12269 2008-03-31  Cary Coutant  <ccoutant@google.com>
12270
12271         Add thin archive support.
12272         * archive.cc (Archive::armagt): New const.
12273         (Archive::setup): Remove task parameter and calls to unlock.
12274         (Archive::unlock_nested_archives): New function.
12275         (Archive::read_header): Add nested_off parameter. Change
12276         all callers.
12277         (Archive::interpret_header): Likewise.
12278         (Archive::include_all_members): Change to handle thin
12279         archives.
12280         (Archive::include_member): Likewise.
12281         * archive.h (Archive::Archive): Add new parameters and
12282         initializers.
12283         (Archive::armagt): New const.
12284         (Archive::setup): Remove task parameter.
12285         (Archive::unlock_nested_archives): New function.
12286         (Archive::read_header): Add nested_off parameter.
12287         (Archive::interpret_header): Likewise.
12288         (Archive::Nested_archive_table): New typedef.
12289         (Archive::is_thin_archive_): New field.
12290         (Archive::nested_archives_): New field.
12291         (Archive::options_): New field.
12292         (Archive::dirpath_): New field.
12293         (Archive::task_): New field.
12294         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12295         for thin archives.  Pass additional parameters to
12296         Archive::Archive.  Unlock the archive file after calling
12297         Archive::setup.
12298
12299 2008-03-29  Ian Lance Taylor  <iant@google.com>
12300
12301         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12302         version symbol to be local.
12303         * testsuite/ver_test_4.sh: New file.
12304         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12305         (check_DATA): Add ver_test_4.syms.
12306         (ver_test_4.syms): New target.
12307         * testsuite/Makefile.in: Rebuild.
12308
12309         * output.cc
12310         (Output_section::Input_section_sort_entry::has_priority): New
12311         function.
12312         (Output_section::Input_section_sort_entry::match_file_name): New
12313         function.
12314         (Output_section::Input_section_sort_entry::match_section_name):
12315         Remove.
12316         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12317         Remove.
12318         (Output_section::Input_section_sort_entry::match_section_file):
12319         Remove.
12320         (Output_section::Input_section_sort_compare::operator()): Rewrite
12321         using new Input_section_sort_entry functions.  Sort crtbegin and
12322         crtend first.  Sort sections with no priority before sections with
12323         a priority.
12324         * testsuite/initpri1.c (d3): Check j != 4.
12325         (cd5): New constructor/destructor function.
12326         (main): Check j != 2.
12327
12328         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12329         new symbol when resolving, don't call set_is_default.
12330         * testsuite/ver_test_7.cc: New file.
12331         * testsuite/ver_test_7.sh: New file.
12332         * testsuite/Makefile.am (ver_test_7.so): New target.
12333         (ver_test_7.o): New target.
12334         (check_SCRIPTS): Add ver_test_7.sh.
12335         (check_DATA): Add ver_test_7.syms.
12336         (ver_test_7.syms): New target.
12337
12338 2008-03-28  Ian Lance Taylor  <iant@google.com>
12339
12340         * layout.cc (Layout::layout): If we see an input section with a
12341         name that needs sorting, set the must_sort flag for the output
12342         section.
12343         (Layout::make_output_section): If the name of the output section
12344         indicates that it might require sorting, set the may_sort flag.
12345         * output.h (Output_section::may_sort_attached_input_sections): New
12346         function.
12347         (Output_section::set_may_sort_attached_input_sections): New
12348         function.
12349         (Output_section::must_sort_attached_input_sections): New
12350         function.
12351         (Output_section::set_must_sort_attached_input_sections): New
12352         function.
12353         (class Output_section): Declare Input_section_sort_entry.  Define
12354         Input_section_sort_compare.  Declare
12355         sort_attached_input_sections.  Add new fields:
12356         may_sort_attached_input_sections_,
12357         must_sort_attached_input_sections_,
12358         attached_input_sections_are_sorted_.
12359         * output.cc (Output_section::Output_section): Initialize new
12360         fields.
12361         (Output_section::add_input_section): Add an entry to
12362         input_sections_ if may_sort or must_sort are true.
12363         (Output_section::set_final_data_size): Call
12364         sort_attached_input_sections if necessary.
12365         (Output_section::Input_section_sort_entry): Define new class.
12366         (Output_section::Input_section_sort_compare::operator()): New
12367         function.
12368         (Output_section::sort_attached_input_sections): New function.
12369         * configure.ac: Check whether the compiler supports constructor
12370         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12371         * testsuite/initpri1.c: New file.
12372         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12373         CONSTRUCTOR_PRIORITY.
12374         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12375         (initpri1_LDFLAGS): New variable.
12376         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12377
12378 2008-03-27  Ian Lance Taylor  <iant@google.com>
12379
12380         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12381         * testsuite/common_test_1.c: New file.
12382         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12383         (common_test_1_SOURCES): New variable.
12384         (common_test_1_DEPENDENCIES): New variable.
12385         (common_test_1_LDFLAGS): New variable.
12386
12387         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12388         and commons_ correctly when NAME/VERSION does not override
12389         NAME/NULL.
12390         * testsuite/ver_test_6.c: New file.
12391         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12392         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12393         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12394
12395 2008-03-26  Ian Lance Taylor  <iant@google.com>
12396
12397         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12398         of an undefined symbol from a version script.
12399         * testsuite/Makefile.am (ver_test_5.so): New target.
12400         (ver_test_5.o): New target.
12401         (check_SCRIPTS): Add ver_test_5.sh.
12402         (check_DATA): Add ver_test_5.syms.
12403         (ver_test_5.syms): New target.
12404         * testsuite/ver_test_5.cc: New file.
12405         * testsuite/ver_test_5.script: New file.
12406         * testsuite/ver_test_5.sh: New file.
12407         * Makefile.in, testsuite/Makefile.in: Rebuild.
12408
12409         PR gold/5986
12410         Fix problems building gold with gcc 4.3.0.
12411         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12412         (gold_error_at_location, gold_warning_at_location): Use it.
12413         * configure.ac: Check whether we can compile and use a template
12414         function with a printf attribute.
12415         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12416         when jumping over bytes.
12417         * object.cc: Instantiate Object::read_section_data.
12418         * debug.h: Include <cstring>
12419         * dwarf_reader.cc: Include <algorithm>
12420         * main.cc: Include <cstring>.
12421         * options.cc: Include <cstring>.
12422         * output.cc: Include <cstring>.
12423         * script.cc: Include <cstring>.
12424         * script.h: Include <string>.
12425         * symtab.cc: Include <cstring> and <algorithm>.
12426         * target-select.cc: Include <cstring>.
12427         * version.cc: Include <string>.
12428         * testsuite/testmain.cc: Include <cstdlib>.
12429         * configure, config.in: Rebuild.
12430
12431 2008-03-25  Ian Lance Taylor  <iant@google.com>
12432
12433         * options.cc: Include "../bfd/bfdver.h".
12434         (options::help): Print bug reporting address.
12435
12436         * version.cc (print_version): Adjust output for current value of
12437         BFD_VERSION_STRING.
12438
12439         * NEWS: New file.
12440
12441         * options.cc (options::help): Print list of supported targets.
12442         * target-select.h: Include <vector>.
12443         (class Target_selector): Make machine_, size_, and is_big_endian_
12444         fields const.  Add bfd_name_ and instantiated_target_ fields.
12445         (Target_selector::Target_selector): Add bfd_name parameter.
12446         (Target_selector::recognize): Make non-virtual, call
12447         do_recognize.
12448         (Target_selector::recognize_by_name): Make non-virtual, call
12449         do_recognize_by_name.
12450         (Target_selector::supported_names): New function.
12451         (Target_selector::bfd_name): New function.
12452         (Target_selector::do_instantiate_target): New pure virtual
12453         function.
12454         (Target_selector::do_recognize): New virtual function.
12455         (Target_selector::do_recognize_by_name): New virtual function.
12456         (Target_selector::instantiate_target): New private function.
12457         (supported_target_names): Declare.
12458         * target-select.cc (Target_selector::Target_selector): Update for
12459         new parameter and fields.
12460         (select_target_by_name): Check that the name matches before
12461         calling recognize_by_name.
12462         (supported_target_names): New function.
12463         * i386.cc (class Target_selector_i386): Update Target_selector
12464         constructor call.  Remove recognize and recognize_by_name.  Add
12465         do_instantiate_target.
12466         * x86_64.cc (class Target_selector_x86_64): Likewise.
12467         * testsuite/testfile.cc (class Target_selector_test): Update for
12468         changes to Target_selector.
12469
12470         * README: Rewrite, with some notes on unsupported features.
12471
12472 2008-03-24  Cary Coutant  <ccoutant@google.com>
12473
12474         * i386.cc (Target_i386::Got_type): New enum declaration.
12475         (Target_i386::Scan::local): Updated callers of Output_data_got
12476         member functions.
12477         (Target_i386::Scan::global): Likewise.
12478         (Target_i386::Relocate::relocate): Likewise.
12479         (Target_i386::Relocate::relocate_tls): Likewise.
12480         * object.h (Got_offset_list): New class.
12481         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12482         (Sized_relobj::local_got_offset): Likewise.
12483         (Sized_relobj::set_local_got_offset): Likewise.
12484         (Sized_relobj::local_has_tls_got_offset): Removed.
12485         (Sized_relobj::local_tls_got_offset): Removed.
12486         (Sized_relobj::set_local_tls_got_offset): Removed.
12487         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12488         * output.cc (Output_data_got::add_global): Added got_type parameter.
12489         (Output_data_got::add_global_with_rel): Likewise.
12490         (Output_data_got::add_global_with_rela): Likewise.
12491         (Output_data_got::add_global_pair_with_rel): New function.
12492         (Output_data_got::add_global_pair_with_rela): New function.
12493         (Output_data_got::add_local): Added got_type parameter.
12494         (Output_data_got::add_local_with_rel): Likewise.
12495         (Output_data_got::add_local_with_rela): Likewise.
12496         (Output_data_got::add_local_pair_with_rel): New function.
12497         (Output_data_got::add_local_pair_with_rela): New function.
12498         (Output_data_got::add_global_tls): Removed.
12499         (Output_data_got::add_global_tls_with_rel): Removed.
12500         (Output_data_got::add_global_tls_with_rela): Removed.
12501         (Output_data_got::add_local_tls): Removed.
12502         (Output_data_got::add_local_tls_with_rel): Removed.
12503         (Output_data_got::add_local_tls_with_rela): Removed.
12504         * output.h (Output_data_got::add_global): Added got_type parameter.
12505         (Output_data_got::add_global_with_rel): Likewise.
12506         (Output_data_got::add_global_with_rela): Likewise.
12507         (Output_data_got::add_global_pair_with_rel): New function.
12508         (Output_data_got::add_global_pair_with_rela): New function.
12509         (Output_data_got::add_local): Added got_type parameter.
12510         (Output_data_got::add_local_with_rel): Likewise.
12511         (Output_data_got::add_local_with_rela): Likewise.
12512         (Output_data_got::add_local_pair_with_rel): New function.
12513         (Output_data_got::add_local_pair_with_rela): New function.
12514         (Output_data_got::add_global_tls): Removed.
12515         (Output_data_got::add_global_tls_with_rel): Removed.
12516         (Output_data_got::add_global_tls_with_rela): Removed.
12517         (Output_data_got::add_local_tls): Removed.
12518         (Output_data_got::add_local_tls_with_rel): Removed.
12519         (Output_data_got::add_local_tls_with_rela): Removed.
12520         * resolve.cc (Symbol::override_base_with_special): Removed
12521         reference to has_got_offset_ field.
12522         * symtab.cc (Symbol::init_fields): Replaced initialization
12523         of got_offset_ with got_offsets_.  Removed initialization
12524         of has_got_offset_
12525         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12526         (Symbol::got_offset): Likewise.
12527         (Symbol::set_got_offset): Likewise.
12528         (Symbol::has_tls_got_offset): Removed.
12529         (Symbol::tls_got_offset): Removed.
12530         (Symbol::set_tls_got_offset): Removed.
12531         (Symbol::got_offset_): Removed.
12532         (Symbol::tls_mod_got_offset_): Removed.
12533         (Symbol::tls_pair_got_offset_): Removed.
12534         (Symbol::got_offsets_): New field.
12535         (Symbol::has_got_offset): Removed.
12536         (Symbol::has_tls_mod_got_offset): Removed.
12537         (Symbol::has_tls_pair_got_offset): Removed.
12538         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12539         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12540         member functions.
12541         (Target_x86_64::Scan::global): Likewise.
12542         (Target_x86_64::Relocate::relocate): Likewise.
12543         (Target_x86_64::Relocate::relocate_tls): Likewise.
12544
12545 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12546
12547         * yyscript.y: Fix spelling error in comment.
12548
12549 2008-03-24  Ian Lance Taylor  <iant@google.com>
12550
12551         * options.h (class General_options): Define build_id option.
12552         * layout.h (class Layout): Declare write_build_id, create_note,
12553         create_build_id.  Add build_id_note_ member.
12554         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12555         "libiberty.h", "md5.h", "sha1.h".
12556         (Layout::Layout): Initialize eh_frame_data_,
12557         eh_frame_hdr_section_, and build_id_note_.
12558         (Layout::finalize): Call create_build_id.
12559         (Layout::create_note): New function, broken out of
12560         Layout::create_gold_note.
12561         (Layout::create_gold_note): Call create_note.
12562         (Layout::create_build_id): New function.
12563         (Layout::write_build_id): New function.
12564         (Close_task_runner::run): Call write_build_id.
12565
12566         * x86_64.cc: Correct license to GPLv3.
12567
12568 2008-03-23  Ian Lance Taylor  <iant@google.com>
12569
12570         * options.cc: Include "demangle.h".
12571         (parse_optional_string): New function.
12572         (parse_long_option): Handle takes_optional_argument.
12573         (parse_short_option): Update dash_z initializer.  Handle
12574         takes_optional_argument.
12575         (General_options::General_options): Initialize do_demangle_.
12576         (General_options::finalize): Set do_demangle_.  Handle demangling
12577         style.
12578         * options.h (parse_optional_string): Declare.
12579         (struct One_option): Add optional_arg field.  Update constructor.
12580         Update call constructor calls.  Add takes_optional_argument
12581         function.
12582         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12583         (DEFINE_optional_string): Define.
12584         (General_options::demangle): Change from DEFINE_bool to
12585         DEFINE_optional_string.
12586         (General_options::no_demangle): New function.
12587         (General_options::do_demangle): New function.
12588         (General_options::set_do_demangle): New function.
12589         (General_options::execstack_status_): Move definition to end of
12590         class definition.
12591         (General_options::static_): Likewise.
12592         (General_options::do_demangle_): New field.
12593         * object.cc (big_endian>::get_symbol_location_info): Call
12594         Options::do_demangle, not Options::demangle.
12595         * symtab.cc (demangle): Likewise.
12596
12597 2008-03-22  Ian Lance Taylor  <iant@google.com>
12598
12599         * gold.h: Include <cstddef> and <sys/types.h>
12600         * options.h: Include <cstring>.
12601
12602 2008-03-21  Ian Lance Taylor  <iant@google.com>
12603
12604         * Added source code to GNU binutils.