gold/ChangeLog

   1 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
   2
   3         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
   4         * configure: Regenerated.
   5
   6 2012-01-27  Ian Lance Taylor  <iant@google.com>
   7
   8         * reloc.h (Bits): New class with static functions, copied from
   9         namespace utils in arm.cc.
  10         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
  11         instead.
  12
  13 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
  14
  15         * incremental.cc (write_info_blocks): Correct relocation offset.
  16
  17 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
  18
  19         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
  20         (Relocate::tls_gd_to_le): Likewise.
  21
  22 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
  23
  24         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
  25
  26 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
  27
  28         * configure.ac: Check if -mcmodel=medium works.
  29         * configure: Regenerated.
  30
  31 2012-01-24  Cary Coutant  <ccoutant@google.com>
  32
  33         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
  34         definition and ...
  35         (read_unsigned_LEB_128_x): ... this new function.
  36         (read_signed_LEB_128): Replaced with inline definition and ...
  37         (read_signed_LEB_128_x): ... this new function.
  38         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
  39         (read_unsigned_LEB_128): Add inline definition.
  40         (read_signed_LEB_128_x): New function.
  41         (read_signed_LEB_128): Add inline definition.
  42         * testsuite/Makefile.am (leb128_unittest): New unit test.
  43         * testsuite/Makefile.in: Regenerate.
  44         * testsuite/leb128_unittest.cc: New unit test.
  45
  46 2012-01-23  Ian Lance Taylor  <iant@google.com>
  47
  48         PR gold/13617
  49         * i386.cc (Target_i386::do_code_fill): When using a jmp
  50         instruction, pad with nop instructions.
  51         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
  52
  53 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
  54
  55         * x86_64.cc (gc_process_relocs): Add typename on types used in
  56         template.
  57         (scan_relocs): Likewise.
  58         (relocate_section): Likewise.
  59         (apply_relocation): Likewise.
  60
  61 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
  62
  63         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
  64         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
  65         under x32.
  66
  67 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
  68
  69         * x86_64.cc: Initial support for x32.
  70
  71 2012-01-03  Cary Coutant  <ccoutant@google.com>
  72
  73         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
  74         Use abstract base class for GOT.
  75         * gold/output.h (class Output_data_got_base): New abstract base class.
  76         (class Output_data_got): Derive from new base class, adjust ctors.
  77         (Output_data_got::reserve_slot): Make virtual; rename to
  78         do_reserve_slot; Adjust callers.
  79         * gold/target.h (Sized_target::init_got_plt_for_update): Return
  80         pointer to abstract base class.
  81         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
  82
  83 2011-12-18  Ian Lance Taylor  <iant@google.com>
  84
  85         * object.h (Relobj::local_symbol_value): New function.
  86         (Relobj::local_plt_offset): New function.
  87         (Relobj::local_has_got_offset): New function.
  88         (Relobj::local_got_offset): New function.
  89         (Relobj::set_local_got_offset): New function.
  90         (Relobj::do_local_symbol_value): New pure virtual function.
  91         (Relobj::do_local_plt_offset): Likewise.
  92         (Relobj::do_local_has_got_offset): Likewise.
  93         (Relobj::do_local_got_offset): Likewise.
  94         (Relobj::do_set_local_got_offset): Likewise.
  95         (Sized_relobj::do_local_has_got_offset): Rename from
  96         local_has_got_offset.
  97         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
  98         (Sized_relobj::do_set_local_got_offset): Rename from
  99         set_local_got_offset.
 100         (Sized_relobj_file::do_local_plt_offset): Rename from
 101         local_plt_offset.
 102         (Sized_relobj_file::do_local_symbol_value): New function.
 103         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 104         local_plt_offset.
 105         * output.cc (Output_data_got::Got_entry::write): Change object to
 106         Relobj.  Use local_symbol_value.
 107         (Output_data_got::add_global_with_rel): Change rel_dyn to
 108         Output_data_reloc_generic*.  Use add_global_generic.
 109         (Output_data_got::add_global_with_rela): Remove.  Change all
 110         callers to use add_global_with_rel.
 111         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 112         Output_data_reloc_generic*.  Use add_global_generic.
 113         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 114         callers to use add_global_pair_with_rel.
 115         (Output_data_got::add_local): Change object to Relobj*.
 116         (Output_data_got::add_local_plt): Likewise.
 117         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 118         change rel_dyn to Output_data_reloc_generic*.  Use
 119         add_local_generic.
 120         (Output_data_got::add_local_with_rela): Remove.  Change all
 121         callers to use all_local_with_rel.
 122         (Output_data_got::add_local_pair_with_rel): Change object to
 123         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 124         add_output_section_generic.
 125         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 126         callers to use add_local_pair_with_rel.
 127         (Output_data_got::reserve_local): Change object to Relobj*.
 128         * output.h: (class Output_data_reloc_generic): Add pure virtual
 129         declarations for add_global_generic, add_local_generic,
 130         add_output_section_generic.
 131         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 132         functions for Output_data_reloc_generic.  Update declarations for
 133         changes listed in output.cc.
 134         (class Output_data_got): Change template parameter to got_size.
 135         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 136         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 137         function.
 138         (Sized_relobj_incr::do_local_plt_offset): New function.
 139         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 140         add_global_generic.
 141
 142 2011-12-17  Cary Coutant  <ccoutant@google.com>
 143
 144         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 145         * resolve.cc (Symbol_table::resolve): Likewise.
 146         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 147         arrays.
 148         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 149
 150 2011-12-16  Ian Lance Taylor  <iant@google.com>
 151
 152         * output.h (Output_data_reloc_generic::add): Only call
 153         add_dynamic_reloc if this is a dynamic reloc section.
 154
 155 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 156
 157         PR gold/13505
 158         * target-reloc.h (apply_relocation): Replace <64, false> with
 159         <size, big_endian>.
 160
 161 2011-11-25  Nick Clifton  <nickc@redhat.com>
 162
 163         * po/it.po: New Italian translation.
 164
 165 2011-11-17  Sterling Augustine  <saugustine@google.com>
 166
 167         * script.cc (script_include_directive): Implement.
 168         (read_script_file): New local variables name and search_path. Update
 169         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 170         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 171         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 172
 173 2011-11-11  Sterling Augustine  <saugustine@google.com>
 174
 175         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 176         (file_or_sections_cmd): Likewise.
 177
 178 2011-11-11  Doug Kwan  <dougkwan@google.com>
 179
 180         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 181         if --just-symbols is given.
 182
 183 2011-11-10  Doug Kwan  <dougkwan@google.com>
 184
 185         PR gold/13362
 186         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 187         when processing data relocs.
 188         * reloc.h (Relocate_functions::rel_unaligned): New method.
 189         (Relocate_functions::pcrel_unaligned): Ditto.
 190         (Relocate_functions::rel32_unaligned): Ditto.
 191         (Relocate_functions::pcrel32_unaligned): Ditto.
 192
 193 2011-11-09  Doug Kwan  <dougkwan@google.com>
 194
 195         PR gold/13362
 196         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 197         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 198         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 199         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 200         (Relocate_functions::rel_unaligned): New.
 201         (Relocate_functions::rel32_unaligned): New.
 202         * target-reloc.h (relocate_for_relocatable): Add code to handle
 203         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 204         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 205         arm_unaligned_reloc_r): New targets.
 206         * testsuite/Makefile.in: Regenerate.
 207         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 208         linking.
 209
 210 2011-11-02  Ian Lance Taylor  <iant@google.com>
 211
 212         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 213         NATIVE_LINKER.
 214         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 215         * options.cc (General_options::finalize): Use library search path
 216         from configure script if specified.  If not native and no sysroot,
 217         only search TOOLLIBDIR.
 218         * options.h (Search_directory::Search_directory): Change name to
 219         const std::string&.
 220         (General_options::add_to_library_path_with_sysroot): Change arg to
 221         const std::string&.
 222         * configure, Makefile.in, config.in: Rebuild.
 223
 224 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 225
 226         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 227         we are working around the ARM1176 Erratum.
 228         * options.h (General_options::fix_arm1176): Add option.
 229         * testsuite/Makefile.am: Add testcases, and keep current ones
 230         working.
 231         * testsuite/Makefile.in: Regenerate.
 232         * testsuite/arm_fix_1176.s: New file.
 233         * testsuite/arm_fix_1176.sh: Likewise.
 234
 235 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 236
 237         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 238         may_use_blx_.
 239         (Target_arm::may_use_blx): Remove method.
 240         (Target_arm::set_may_use_blx): Likewise.
 241         (Target_arm::may_use_v4t_interworking): New method.
 242         (Target_arm::may_use_v5t_interworking): Likewise.
 243         (Target_arm::may_use_blx_): Remove member variable.
 244         (Arm_relocate_functions::arm_branch_common): Check for v5T
 245         interworking.
 246         (Arm_relocate_functions::thumb_branch_common): Likewise.
 247         (Reloc_stub::stub_type_for_reloc): Likewise.
 248         (Target_arm::do_finalize_sections): Correct interworking checks.
 249         * testsuite/Makefile.am: Add new tests.
 250         * testsuite/Makefile.in: Regenerate.
 251         * testsuite/arm_farcall_arm_arm.s: New test.
 252         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 253         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 254         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 255         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 256         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 257         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 258         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 259
 260 2011-10-31  Cary Coutant  <ccoutant@google.com>
 261
 262         PR gold/13023
 263         * expression.cc (Expression::eval_with_dot): Add
 264         is_section_dot_assignment parameter.
 265         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 266         absolute and assigning to dot within a section.
 267         * script-sections.cc
 268         (Output_section_element_assignment::set_section_addresses): Pass
 269         dot_section to set_if_absolute.
 270         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 271         as is_section_dot_assignment flag to eval_with_dot.
 272         (Output_section_element_dot_assignment::set_section_addresses):
 273         Likewise.
 274         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 275         parameter.  Also set value if relative to dot_section; set the
 276         symbol's output_section.
 277         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 278         parameter.  Adjust all callers.
 279         (Expression::eval_maybe_dot): Likewise.
 280         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 281         Adjust all callers.
 282         * testsuite/script_test_2.t: Test assignment of an absolute value
 283         to dot within an output section element.
 284
 285 2011-10-31  Cary Coutant  <ccoutant@google.com>
 286
 287         * options.h (class General_options): Add --[no-]gnu-unique options.
 288         * symtab.cc (Symbol_table::sized_write_globals): Convert
 289         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 290
 291 2011-10-31  Cary Coutant  <ccoutant@google.com>
 292
 293         PR gold/13359
 294         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 295         unnecessary assertion.
 296         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 297
 298 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 299
 300         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 301         gc_mark_symbol.
 302         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 303         gc_mark_symbol.
 304         Change to just keep the section associated with symbol.
 305         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 306         they are externally visible and --export-dynamic is turned on.
 307         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 308
 309 2011-10-19  Ian Lance Taylor  <iant@google.com>
 310
 311         PR gold/13163
 312         * script-sections.cc
 313         (Output_section_element_dot_assignment::needs_output_section): New
 314         function.
 315
 316 2011-10-19  Ian Lance Taylor  <iant@google.com>
 317
 318         PR gold/13204
 319         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 320         --section-start option was seen.
 321         * options.h (General_options::any_section_start): New function.
 322
 323 2011-10-18  David S. Miller  <davem@davemloft.net>
 324
 325         PR binutils/13301
 326         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 327         member to track relocation locations that have moved during TLS
 328         reloc optimizations.
 329         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 330         (Target_sparc::Relocate::relocate): Adjust view down by 4
 331         bytes if it matches reloc_adjust_addr_.
 332         (Target_sparc::Relocate::relocate_tls): Always move the
 333         __tls_get_addr call delay slot instruction forward 4 bytes when
 334         performing relaxation.
 335
 336 2011-10-18  Cary Coutant  <ccoutant@google.com>
 337
 338         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 339         (Output_file::map_no_anonymous): Check for non-zero
 340         return code from posix_fallocate.
 341
 342 2011-10-17  Cary Coutant  <ccoutant@google.com>
 343
 344         PR gold/13245
 345         * plugin.cc (is_visible_from_outside): Check for symbols
 346         referenced from dynamic objects.
 347         * resolve.cc (Symbol_table::resolve): Don't count references
 348         from dynamic objects as references from real ELF files.
 349         * testsuite/plugin_test_2.sh: Adjust expected result.
 350
 351 2011-10-17  Cary Coutant  <ccoutant@google.com>
 352
 353         * gold.cc: Include timer.h.
 354         (queue_middle_tasks): Stamp time.
 355         (queue_final_tasks): Likewise.
 356         * main.cc (main): Store timer in parameters.  Print timers
 357         for each pass.
 358         * parameters.cc (Parameters::Parameters): Initialize timer_.
 359         (Parameters::set_timer): New function.
 360         (set_parameters_timer): New function.
 361         * parameters.h (Parameters::set_timer): New function.
 362         (Parameters::timer): New function.
 363         (Parameters::timer_): New data member.
 364         (set_parameters_timer): New function.
 365         * timer.cc (Timer::stamp): New function.
 366         (Timer::get_pass_time): New function.
 367         * timer.h (Timer::stamp): New function.
 368         (Timer::get_pass_time): New function.
 369         (Timer::pass_times_): New data member.
 370
 371 2011-10-17  Cary Coutant  <ccoutant@google.com>
 372
 373         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 374         task for members of lib groups.
 375
 376 2011-10-17  Cary Coutant  <ccoutant@google.com>
 377
 378         PR gold/13288
 379         * fileread.cc (File_read::find_view): Add assert.
 380         (File_read::make_view): Move bounds check (replace with assert)...
 381         (File_read::find_or_make_view): ... to here.
 382
 383 2011-10-12  Cary Coutant  <ccoutant@google.com>
 384
 385         * output.cc (Output_file::open_base_file): Handle case where
 386         ::read returns less than requested size.
 387
 388 2011-10-10  Cary Coutant  <ccoutant@google.com>
 389
 390         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 391         Initialize defined_count_.
 392         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 393         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 394         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 395         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 396         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 397         * incremental.h (Sized_relobj_incr::defined_count_): New data
 398         member.
 399         (Sized_incr_dynobj::defined_count_): New data member.
 400         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 401         Return zeroes instead of internal error.
 402
 403 2011-10-10  Cary Coutant  <ccoutant@google.com>
 404
 405         PR gold/13249
 406         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 407         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 408         * output.h (class Output_reloc): Add use_plt_offset flag.
 409         (Output_reloc::type_): Adjust size of bit field.
 410         (Output_reloc::use_plt_offset_): New bit field.
 411         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 412         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 413         flag.  Adjust all callers.
 414         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 415         creating RELATIVE relocations.
 416
 417 2011-10-10  Nick Clifton  <nickc@redhat.com>
 418
 419         * po/es.po: Updated Spanish translation.
 420         * po/fi.po: Updated Finnish translation.
 421
 422 2011-10-03   Diego Novillo  <dnovillo@google.com>
 423
 424         * options.cc (parse_uint): Fix dereference of RETVAL.
 425
 426 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 427
 428         * layout.h (section_order_map_): New member.
 429         (get_section_order_map): New member function.
 430         * output.cc (Output_section::add_input_section): Check for patterns
 431         only when --section-ordering-file is specified.
 432         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 433         output_sections have been formed.
 434         * layout.cc (Layout_Layout): Initialize section_order_map_.
 435         * plugin.cc (update_section_order): Store order in order_map. Do not
 436         update the order.
 437         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 438         * testsuite/Makefile.in: Regenerate.
 439         * testsuite/plugin_section_order.c: New file.
 440         * testsuite/plugin_final_layout.cc: New file.
 441         * testsuite/plugin_final_layout.sh: New file.
 442
 443 2011-09-29  Cary Coutant  <ccoutant@google.com>
 444
 445         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 446         Check for NULL.
 447         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 448         symbols during incremental update.
 449         (Symbol_table::add_from_dynobj): Likewise.
 450
 451 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 452             Ian Lance Taylor  <iant@google.com>
 453
 454         * symtab.cc (Symbol_table::define_special_symbol): Always
 455         canonicalize version string.
 456
 457 2011-09-26  Cary Coutant  <ccoutant@google.com>
 458
 459         * gold.cc (queue_initial_tasks): Move option checks ...
 460         * options.cc (General_options::finalize): ... to here. Disable
 461         some options; make others fatal.
 462
 463 2011-09-26  Cary Coutant  <ccoutant@google.com>
 464
 465         gcc PR lto/47247
 466         * plugin.cc (get_symbols_v2): New function.
 467         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 468         (is_referenced_from_outside): New function.
 469         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 470         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 471         (get_symbols): Pass version parameter.
 472         (get_symbols_v2): New function.
 473         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 474         parameter.
 475         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 476         (onload): Add LDPT_GET_SYMBOLS_V2.
 477         (all_symbols_read_hook): Use get_symbols_v2; check for
 478         LDPR_PREVAILING_DEF_IRONLY_EXP.
 479         * testsuite/plugin_test_3.sh: Update expected results.
 480
 481 2011-09-23  Simon Baldwin  <simonb@google.com>
 482
 483         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 484         configuration options.
 485         * configure: Regenerate.
 486         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 487         * Makefile.in: Regenerate.
 488         * testsuite/Makefile.in: Regenerate.
 489
 490 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 491
 492         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 493
 494 2011-09-19  Cary Coutant  <ccoutant@google.com>
 495
 496         * incremental.cc (can_incremental_update): Fix typo in comment.
 497         * incremental.h (can_incremental_update): Likewise.
 498
 499 2011-09-18  Cary Coutant  <ccoutant@google.com>
 500
 501         * incremental.cc (can_incremental_update): New function.
 502         * incremental.h (can_incremental_update): New function.
 503         * layout.cc (Layout::init_fixed_output_section): Call it.
 504         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 505         * object.cc (Sized_relobj_file::do_layout): Call
 506         can_incremental_update.
 507
 508 2011-09-13  Cary Coutant  <ccoutant@google.com>
 509
 510         * configure.ac: Check for glibc support for gnu_indirect_function
 511         support with static linking, setting automake conditional
 512         IFUNC_STATIC.
 513         * Makefile.in: Regenerate.
 514         * configure: Regenerate.
 515
 516         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 517         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 518         for IFUNC_STATIC.
 519         * testsuite/Makefile.in: Regenerate.
 520
 521 2011-09-13  Cary Coutant  <ccoutant@google.com>
 522
 523         * incremental.cc (Sized_relobj_incr::do_layout): Call
 524         report_comdat_group for kept comdat sections.
 525         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 526         * testsuite/Makefile.in: Regenerate.
 527         * testsuite/incr_comdat_test_1.cc: New source file.
 528         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 529         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 530         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 531
 532 2011-09-13  Ian Lance Taylor  <iant@google.com>
 533
 534         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 535         variable external_symbols_offset.
 536
 537 2011-09-12  Ian Lance Taylor  <iant@google.com>
 538
 539         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 540         triggered if object has no symbols.
 541
 542 2011-09-09  David S. Miller  <davem@davemloft.net>
 543
 544         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 545         (Output_fill_debug_line::do_write): Likewise.
 546
 547 2011-08-29  Cary Coutant  <ccoutant@google.com>
 548
 549         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 550         casts to match formatting specs.
 551         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 552
 553 2011-08-26  Cary Coutant  <ccoutant@google.com>
 554
 555         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 556         remaining hole size when allocating.
 557         (Layout::make_output_section): Set fill methods for debug sections.
 558         * layout.h (Free_list::Free_list_node): Move from private to
 559         public.
 560         (Free_list::set_min_hole_size): New function.
 561         (Free_list::begin, Free_list::end): New functions.
 562         (Free_list::min_hole_): New data member.
 563         * output.cc: Include dwarf.h.
 564         (Output_fill_debug_info::do_minimum_hole_size): New function.
 565         (Output_fill_debug_info::do_write): New function.
 566         (Output_fill_debug_line::do_minimum_hole_size): New function.
 567         (Output_fill_debug_line::do_write): New function.
 568         (Output_section::Output_section): Initialize new data member.
 569         (Output_section::set_final_data_size): Ensure patch space is larger
 570         than minimum hole size.
 571         (Output_section::do_write): Fill holes in debug sections.
 572         * output.h (Output_fill): New class.
 573         (Output_fill_debug_info): New class.
 574         (Output_fill_debug_line): New class.
 575         (Output_section::set_free_space_fill): New function.
 576         (Output_section::free_space_fill_): New data member.
 577         * testsuite/Makefile.am (incremental_test_3): Add
 578         --incremental-patch option.
 579         (incremental_test_4): Likewise.
 580         (incremental_test_5): Likewise.
 581         (incremental_test_6): Likewise.
 582         (incremental_copy_test): Likewise.
 583         (incremental_common_test_1): Likewise.
 584         * testsuite/Makefile.in: Regenerate.
 585
 586 2011-08-26  Nick Clifton  <nickc@redhat.com>
 587
 588         * po/es.po: Updated Spanish translation.
 589
 590 2011-08-01  Cary Coutant  <ccoutant@google.com>
 591
 592         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 593         * gold/testsuite/Makefile.in: Regenerate.
 594         * gold/testsuite/justsyms_exec.c: New source file.
 595         * gold/testsuite/justsyms_lib.c: New source file.
 596
 597 2011-08-01  Cary Coutant  <ccoutant@google.com>
 598
 599         * layout.cc (Layout::set_segment_offsets): Don't realign text
 600         segment if -Ttext was specified.
 601         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 602         file type.
 603         * object.h (Sized_relobj_file::e_type): New function.
 604         (Sized_relobj_file::e_type_): New data member.
 605         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 606         base address for ET_EXEC files.
 607         * target.cc (Target::do_make_elf_object_implementation): Allow
 608         ET_EXEC files with --just-symbols option.
 609
 610 2011-07-28  Cary Coutant  <ccoutant@google.com>
 611
 612         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 613         Add thread_number parameter.
 614         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 615         * workqueue-threads.cc
 616         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 617         current thread if its thread number is greater than desired thread
 618         count.
 619         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 620         Add thread_number parameter.
 621         (Workqueue::should_cancel_thread): Likewise.
 622         (Workqueue::find_runnable_or_wait): Pass thread_number to
 623         should_cancel_thread.
 624         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 625         parameter.
 626
 627 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 628
 629         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 630         only after checking if it cannot be forced local.
 631         * symtab.h (is_externally_visible): Check if the symbol is not forced
 632         local.
 633
 634 2011-07-15  Ian Lance Taylor  <iant@google.com>
 635
 636         * options.h (class General_options): Add --print-output-format.
 637         Move -EL next to -EB, for  better --help output.
 638         * target-select.cc: Include <cstdio>, "options.h", and
 639         "parameters.h".
 640         (Target_selector::do_target_bfd_name): New function.
 641         (print_output_format): New function.
 642         * target-select.h (class Target_selector): Update declarations.
 643         (Target_selector::target_bfd_name): New function.
 644         (print_output_format): Declare.
 645         * main.cc: Include "target-select.h".
 646         (main): Handle --print-output-format.
 647         * gold.cc: Include "target-select.h".
 648         (queue_initial_tasks): Handle --print-output-format when there are
 649         no input files.
 650         * parameters.cc (parameters_force_valid_target): Give a better
 651         error message if -EB/-EL does not match target.
 652         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 653         function.
 654
 655 2011-07-15  Ian Lance Taylor  <iant@google.com>
 656
 657         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 658         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 659         (Output_data_plt_i386::do_write): Write address of .dynamic
 660         section to first entry in .got.plt section.
 661         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 662         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 663         Initialize layout_.
 664         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 665         section to first entry in .got.plt section.
 666         * layout.h (Layout::dynamic_section): New function.
 667
 668 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 669
 670         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 671         to claim_file call.
 672         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 673         input_section_position_, and input_section_glob_.
 674         (read_layout_from_file): Call function section_ordering_specified.
 675         * layout.h (is_section_ordering_specified): New function.
 676         (section_ordering_specified): New function.
 677         (section_ordering_specified_): New boolean member.
 678         * main.cc(main): Call load_plugins after layout object is defined.
 679         * output.cc (Output_section::add_input_section): Use
 680         function section_ordering_specified to check if section ordering is
 681         needed.
 682         * output.cc (Output_section::add_relaxed_input_section): Use
 683         function section_ordering_specified to check if section ordering is
 684         needed.
 685         (Output_section::update_section_layout): New function.
 686         (Output_section::sort_attached_input_sections): Check if input section
 687         must be reordered.
 688         * output.h (Output_section::update_section_layout): New function.
 689         * plugin.cc (get_section_count): New function.
 690         (get_section_type): New function.
 691         (get_section_name): New function.
 692         (get_section_contents): New function.
 693         (update_section_order): New function.
 694         (allow_section_ordering): New function.
 695         (Plugin::load): Add the new interfaces to the transfer vector.
 696         (Plugin_manager::load_plugins): New parameter.
 697         (Plugin_manager::all_symbols_read): New parameter.
 698         (Plugin_manager::claim_file): New parameter. Save the elf object for
 699         unclaimed objects.
 700         (Plugin_manager::get_elf_object): New function.
 701         (Plugin_manager::get_view): Change to directly use the bool to check
 702         if get_view is called from claim_file_hook.
 703         * plugin.h (input_objects): New function
 704         (Plugin__manager::load_plugins): New parameter.
 705         (Plugin_manager::claim_file): New parameter.
 706         (Plugin_manager::get_elf_object): New function.
 707         (Plugin_manager::in_claim_file_handler): New function.
 708         (Plugin_manager::in_claim_file_handler_): New member.
 709         (layout): New function.
 710         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 711         handler with an extra parameter. Make the elf object before calling
 712         claim_file handler.
 713         * testsuite/plugin_test.c (get_section_count): New function pointer.
 714         (get_section_type): New function pointer.
 715         (get_section_name): New function pointer.
 716         (get_section_contents): New function pointer.
 717         (update_section_order): New function pointer.
 718         (allow_section_ordering): New function pointer.
 719         (onload): Check if the new interfaces exist.
 720
 721 2011-07-13  Ian Lance Taylor  <iant@google.com>
 722
 723         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 724         relro section.
 725         * x86_64.cc (Target_x86_64::got_section): Likewise.
 726         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 727         (relro_now_test_SOURCES): New variable.
 728         (relro_now_test_DEPENDENCIES): New variable.
 729         (relro_now_test_LDFLAGS): New variable.
 730         (relro_now_test_LDADD): New variable.
 731         (relro_now_test.so): New target.
 732         * testsuite/Makefile.in: Rebuild.
 733
 734 2011-07-12  Ian Lance Taylor  <iant@google.com>
 735
 736         PR gold/12980
 737         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 738         GLOB_DAT relocation rather than a RELATIVE relocation for a
 739         protected symbol when creating a shared library.
 740         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 741         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 742         * testsuite/protected_main_1.cc (main): Test that protected
 743         function has same address.
 744
 745 2011-07-11  Ian Lance Taylor  <iant@google.com>
 746
 747         PR gold/12979
 748         * options.h (class General_options): Add -Bgroup.
 749         * options.cc (General_options::finalize): If -Bgroup is set,
 750         default to --unresolved-symbols=report-all.
 751         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 752         * target-reloc.h (issue_undefined_symbol_error): Handle
 753         --unresolved-symbols=report-all.
 754
 755 2011-07-08  Ian Lance Taylor  <iant@google.com>
 756
 757         PR gold/11985
 758         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 759         if linker script discards key sections.
 760         (Layout::create_dynamic_symtab): Likewise.
 761         (Layout::assign_local_dynsym_offsets): Likewise.
 762         (Layout::sized_create_version_sections): Likewise.
 763         (Layout::create_interp): Likewise.
 764         (Layout::finish_dynamic_section): Likewise.
 765         (Layout::set_dynamic_symbol_size): Likewise.
 766
 767 2011-07-08  Ian Lance Taylor  <iant@google.com>
 768
 769         PR gold/12386
 770         * options.h (class General_options): Add --unresolved-symbols.
 771         * target-reloc.h (issue_undefined_symbol_error): Check
 772         --unresolved-symbols.  Add comments.
 773
 774 2011-07-08  Ian Lance Taylor  <iant@google.com>
 775
 776         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 777         expression more complex.
 778
 779 2011-07-08  Ian Lance Taylor  <iant@google.com>
 780
 781         PR gold/11317
 782         * target-reloc.h (issue_undefined_symbol_error): New inline
 783         function, broken out of relocate_section.
 784         (relocate_section): Call issue_undefined_symbol_error.
 785         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 786         there is no TLS segment if we are about to issue an undefined
 787         symbol error.
 788         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 789
 790 2011-07-08  Ian Lance Taylor  <iant@google.com>
 791
 792         PR gold/12279
 793         * resolve.cc (Symbol_table::should_override): Add fromtype
 794         parameter.  Change all callers.  Give error when linking together
 795         TLS and non-TLS symbol.
 796         (Symbol_table::should_override_with_special): Add fromtype
 797         parameter.  Change all callers.
 798         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 799         there is no TLS segment if we have reported some errors.
 800         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 801
 802 2011-07-08  Ian Lance Taylor  <iant@google.com>
 803
 804         PR gold/12372
 805         * target.h (Target::plt_address_for_global): New function.
 806         (Target::plt_address_for_local): New function.
 807         (Target::plt_section_for_global): Remove.
 808         (Target::plt_section_for_local): Remove.
 809         (Target::do_plt_address_for_global): New virtual function.
 810         (Target::do_plt_address_for_local): New virtual function.
 811         (Target::do_plt_section_for_global): Remove.
 812         (Target::do_plt_section_for_local): Remove.
 813         (Target::register_global_plt_entry): Add Symbol_table and Layout
 814         parameters.
 815         * output.cc (Output_data_got::Got_entry::write): Use
 816         plt_address_for_global and plt_address_for_local.
 817         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 818         address of output section.
 819         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 820         got_irelative_, and irelative_count_ fields.  Update
 821         declarations.
 822         (Output_data_plt_i386::has_irelative_section): New function.
 823         (Output_data_plt_i386::entry_count): Add irelative_count_.
 824         (Output_data_plt_i386::set_final_data_size): Likewise.
 825         (class Target_i386): Add got_irelative_ and rel_irelative_
 826         fields.  Update declarations.
 827         (Target_i386::Target_i386): Initialize new fields.
 828         (Target_i386::do_plt_address_for_global): New function replacing
 829         do_plt_section_for_global.
 830         (Target_i386::do_plt_address_for_local): New function replacing
 831         do_plt_section_for_local.
 832         (Target_i386::got_section): Create got_irelative_.
 833         (Target_i386::rel_irelative_section): New function.
 834         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 835         fields.  Don't define __rel_iplt_{start,end}.
 836         (Output_data_plt_i386::add_entry): Add symtab and layout
 837         parameters.  Change all callers.  Use different PLT and GOT for
 838         IFUNC symbols.
 839         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 840         layout parameters.  Change all callers.  Use different PLT and
 841         GOT.
 842         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 843         (Output_data_plt_i386::rel_irelative): New function.
 844         (Output_data_plt_i386::address_for_global): New function.
 845         (Output_data_plt_i386::address_for_local): New function.
 846         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 847         IRELATIVE GOT when changing IFUNC GOT entries.
 848         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 849         reloc.
 850         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 851         if we didn't create an IRELATIVE GOT.
 852         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 853         plt_address_for_local.
 854         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 855         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 856         got_irelative_, and irelative_count_ fields.  Update
 857         declarations.
 858         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 859         Initialize new fields.  Remove symtab parameter.  Change all
 860         callers.
 861         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 862         irelative_count_.
 863         (Output_data_plt_x86_64::has_irelative_section): New function.
 864         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 865         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 866         fields.  Update declarations.
 867         (Target_x86_64::Target_x86_64): Initialize new fields.
 868         (Target_x86_64::do_plt_address_for_global): New function replacing
 869         do_plt_section_for_global.
 870         (Target_x86_64::do_plt_address_for_local): New function replacing
 871         do_plt_section_for_local.
 872         (Target_x86_64::got_section): Create got_irelative_.
 873         (Target_x86_64::rela_irelative_section): New function.
 874         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 875         all callers.  Don't create __rel_iplt_{start,end}.
 876         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 877         parameters.  Change all callers.  Use different PLT and GOT for
 878         IFUNC symbols.
 879         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 880         layout parameters.  Change all callers.  Use different PLT and
 881         GOT.
 882         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 883         parameters.  Change all callers.  Use different PLT and GOT for
 884         IFUNC symbols.
 885         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 886         (Output_data_plt_x86_64::rela_irelative): New function.
 887         (Output_data_plt_x86_64::address_for_global): New function.
 888         (Output_data_plt_x86_64::address_for_local): New function.
 889         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 890         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 891         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 892         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 893         parameters.
 894         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 895         reloc.
 896         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 897         symbols if we didn't create an IRELATIVE GOT.
 898         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 899         plt_address_for_local.
 900         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 901         * testsuite/ifuncvar1.c: New test file.
 902         * testsuite/ifuncvar2.c: New test file.
 903         * testsuite/ifuncvar3.c: New test file.
 904         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 905         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 906         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 907         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 908         * testsuite/Makefile.in: Rebuild.
 909
 910 2011-07-07  Cary Coutant  <ccoutant@google.com>
 911
 912         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 913         (two_file_test_1_ndebug.o): Likewise.
 914         (two_file_test_1b_ndebug.o): Likewise.
 915         (two_file_test_2_ndebug.o): Likewise.
 916         (two_file_test_main_ndebug.o): Likewise.
 917         (incremental_test_2): Link with no-debug versions.
 918
 919 2011-07-06  Cary Coutant  <ccoutant@google.com>
 920
 921         * gold/incremental.cc
 922         (Output_section_incremental_inputs::write_info_blocks): Check for
 923         hidden and internal symbols.
 924
 925 2011-07-06  Cary Coutant  <ccoutant@google.com>
 926
 927         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 928         Check disposition for startup file.
 929         (Incremental_inputs::report_command_line): Ignore
 930         --incremental-startup-unchanged option.
 931         * options.cc (General_options::parse_incremental_startup_unchanged):
 932         New function.
 933         (General_options::General_options): Initialize new data member.
 934         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 935         (General_options): Add --incremental-startup-unchanged option.
 936         (General_options::incremental_startup_disposition): New function.
 937         (General_options::incremental_startup_disposition_): New data member.
 938
 939 2011-07-06  Cary Coutant  <ccoutant@google.com>
 940
 941         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 942         input file index to Script_info ctor.
 943         (Sized_incremental_binary::do_file_has_changed): Find the
 944         command-line argument for files named in scripts.
 945         * incremental.h (Script_info::Script_info): New ctor
 946         with input file index.
 947         (Script_info::input_file_index): New function.
 948         (Script_info::input_file_index_): New data member.
 949         (Incremental_binary::get_library): Add const.
 950         (Incremental_binary::get_script_info): Add const.
 951         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 952         * testsuite/Makefile.am (incremental_test_5): New test case.
 953         (incremental_test_6): New test case.
 954         * testsuite/Makefile.in: Regenerate.
 955
 956 2011-07-06  Cary Coutant  <ccoutant@google.com>
 957
 958         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 959         debug output when command lines differ.
 960
 961 2011-07-06  Cary Coutant  <ccoutant@google.com>
 962
 963         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 964         --incremental-patch option.
 965         * layout.cc (Free_list::allocate): Extend allocation beyond original
 966         end if enabled.
 967         (Layout::make_output_section): Mark sections that should get
 968         patch space.
 969         * options.cc (parse_percent): New function.
 970         * options.h (parse_percent): New function.
 971         (DEFINE_percent): New macro.
 972         (General_options): Add --incremental-patch option.
 973         * output.cc (Output_section::Output_section): Initialize new data
 974         members.
 975         (Output_section::add_input_section): Print section name when out
 976         of patch space.
 977         (Output_section::add_output_section_data): Likewise.
 978         (Output_section::set_final_data_size): Add patch space when
 979         doing --incremental-full.
 980         (Output_section::do_reset_address_and_file_offset): Remove patch
 981         space.
 982         (Output_segment::set_section_list_addresses): Print debug output
 983         only if --incremental-update.
 984         * output.h (Output_section::set_is_patch_space_allowed): New function.
 985         (Output_section::is_patch_space_allowed_): New data member.
 986         (Output_section::patch_space_): New data member.
 987         * parameters.cc (Parameters::incremental_full): New function.
 988         * parameters.h (Parameters::incremental_full): New function
 989         * testsuite/Makefile.am (incremental_test_2): Add test for
 990         --incremental-patch option.
 991         * testsuite/Makefile.in: Regenerate.
 992         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 993         (t18): Remove function body.
 994
 995 2011-07-05  Doug Kwan  <dougkwan@google.com>
 996
 997         PR gold/12771
 998         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 999         Arm_Address type for relocation result.
1000         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1001         overflow check.
1002         (Arm_relocate_functions::abs32): Use unaligned access.
1003         (Arm_relocate_functions::rel32): Ditto.
1004         (Arm_relocate_functions::prel31): Ditto.
1005         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1006         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1007         static data relocations.
1008         * testsuite/Makefile.in: Regnerate.
1009         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1010
1011 2011-07-05  Ian Lance Taylor  <iant@google.com>
1012
1013         PR gold/12392
1014         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1015         symbols if necessary.
1016         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1017
1018 2011-07-05  Ian Lance Taylor  <iant@google.com>
1019
1020         PR gold/12952
1021         * resolve.cc (Symbol::override_base_with_special): Simply override
1022         version with special symbol version, ignoring previous version.
1023
1024 2011-07-05  Ian Lance Taylor  <iant@google.com>
1025
1026         * object.cc (Sized_relobj_file::include_section_group): Add
1027         information to comment about signature location.
1028
1029 2011-07-02  Ian Lance Taylor  <iant@google.com>
1030
1031         PR gold/12957
1032         * options.h (class General_options): Add -f and -F.
1033         * options.cc (General_options::finalize): Fatal error if -f/-F
1034         are used without -shared.
1035         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1036
1037 2011-07-02  Ian Lance Taylor  <iant@google.com>
1038
1039         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1040
1041 2011-07-01  Ian Lance Taylor  <iant@google.com>
1042
1043         PR gold/12525
1044         PR gold/12952
1045         * resolve.cc (Symbol::override_base_with_special): Don't override
1046         the version if the overriding symbol has a different name.
1047         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1048         all callers.  If we give an error about an undefined version,
1049         define the base version if necessary.
1050         * dynobj.h (class Versions): Update declaration.
1051         * testsuite/weak_alias_test_5.cc: New file.
1052         * testsuite/weak_alias_test.script: New file.
1053         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1054         and versioned_alias have the right value, and call t2.
1055         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1056         weak_alias_test_5.so.
1057         (weak_alias_test_LDADD): Likewise.
1058         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1059         * testsuite/Makefile.in: Rebuild.
1060
1061 2011-07-01  Ian Lance Taylor  <iant@google.com>
1062
1063         PR gold/12525
1064         * options.h (class General_options): Support -z notext.
1065         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1066         -Wl,-z,notext.
1067         (two_file_shared_nonpic.so): Likewise.
1068         (two_file_shared_mixed.so): Likewise.
1069         (two_file_shared_mixed_1.so): Likewise.
1070         (weak_undef_lib_nonpic.so): Likewise.
1071         (alt/weak_undef_lib_nonpic.so): Likewise.
1072         (tls_test_shared_nonpic.so): Likewise.
1073         * testsuite/Makefile.in: Rebuild.
1074
1075 2011-07-01  Ian Lance Taylor  <iant@google.com>
1076
1077         PR gold/12525
1078         * configure.ac: Test whether static linking works, setting
1079         the automake conditional HAVE_STATIC.
1080         * testsuite/Makefile.am: Disable tests using -static if
1081         HAVE_STATIC is not true.
1082         * configure, testsuite/Makefile.in: Rebuild.
1083
1084 2011-07-01  Ian Lance Taylor  <iant@google.com>
1085
1086         PR gold/12525
1087         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1088         Assert if we see DW_EH_PE_indirect.
1089         * target.h (Target::ehframe_datarel_base): New function.
1090         (Target::do_ehframe_datarel_base): New target function.
1091         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1092         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1093         function.
1094
1095 2011-07-01  Ian Lance Taylor  <iant@google.com>
1096
1097         PR gold/12571
1098         * options.h (class General_options): Add
1099         --ld-generated-unwind-info.
1100         * ehframe.cc (Fde::write): Add address parameter.  Change all
1101         callers.  If associated with PLT, fill in address and size.
1102         (Cie::set_output_offset): Only add merge mapping if there is an
1103         object.
1104         (Cie::write): Add address parameter.  Change all callers.
1105         (Eh_frame::add_ehframe_for_plt): New function.
1106         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1107         input_offset_ fields into union u_, with new plt field.
1108         (Fde::Fde): Adjust for new union field.
1109         (Fde::Fde) [Output_data version]: New constructor.
1110         (Fde::add_mapping): Only add merge mapping if there is an object.
1111         (class Cie): Update declarations.
1112         (class Eh_frame): Declare add_ehframe_for_plt.
1113         * layout.cc (Layout::layout_eh_frame): Break out code into
1114         make_eh_frame_section, and call it.
1115         (Layout::make_eh_frame_section): New function.
1116         (Layout::add_eh_frame_for_plt): New function.
1117         * layout.h (class Layout): Update declarations.
1118         * merge.cc (Merge_map::add_mapping): Add assertion.
1119         * i386.cc: Include "dwarf.h".
1120         (class Output_data_plt_i386): Make first_plt_entry,
1121         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1122         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1123         and plt_eh_frame_fde.
1124         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1125         boundary.  Call add_eh_frame_for_plt if appropriate.
1126         * x86_64.cc: Include "dwarf.h".
1127         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1128         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1129         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1130         and plt_eh_frame_fde.
1131         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1132         appropriate.
1133
1134 2011-06-29  Ian Lance Taylor  <iant@google.com>
1135
1136         PR gold/12629
1137         * object.cc (Sized_relobj_file::layout_section): Change shdr
1138         parameter to be const.
1139         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1140         out of do_layout.
1141         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1142         appropriate.  Call layout_eh_frame_section.
1143         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1144         sections.
1145         * object.h (class Sized_relobj_file): Update declarations.
1146
1147 2011-06-29  Ian Lance Taylor  <iant@google.com>
1148
1149         PR gold/12652
1150         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1151         modifier.
1152         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1153
1154 2011-06-29  Ian Lance Taylor  <iant@google.com>
1155
1156         PR gold/12675
1157         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1158         SHT_X86_64_UNWIND.
1159         * layout.cc (Layout::layout_eh_frame): Likewise.
1160
1161 2011-06-29  Ian Lance Taylor  <iant@google.com>
1162
1163         PR gold/12695
1164         * layout.cc (Layout::symtab_section_shndx): New function.
1165         * layout.h (class Layout): Declare symtab_section_shndx.
1166         * output.cc (Output_section::write_header): Call it.
1167
1168 2011-06-29  Ian Lance Taylor  <iant@google.com>
1169
1170         PR gold/12818
1171         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1172         symbols which are not used in a relocation.
1173
1174 2011-06-28  Ian Lance Taylor  <iant@google.com>
1175
1176         PR gold/12898
1177         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1178         script create indistinguishable segments.
1179         (Layout::set_segment_offsets): Use stable_sort when sorting
1180         segments.  Pass this to Compare_segments constructor.
1181         * layout.h (class Layout): Make segment_precedes non-static.
1182         (class Compare_segments): Change from struct to class.  Add
1183         layout_ field.  Add constructor.
1184         * script-sections.cc
1185         (Script_sections::attach_sections_using_phdrs_clause): Rename
1186         local orphan to is_orphan.  Don't report failure to put empty
1187         section in segment.  On attachment failure, report name of
1188         section, and attach to first PT_LOAD segment.
1189
1190 2011-06-28  Ian Lance Taylor  <iant@google.com>
1191
1192         PR gold/12934
1193         * target-select.cc (Target_selector::Target_selector): Add
1194         emulation parameter.  Change all callers.
1195         (select_target_by_bfd_name): Rename from select_target_by_name.
1196         Change all callers.
1197         (select_target_by_emulation): New function.
1198         (supported_emulation_names): New function.
1199         * target-select.h (class Target_selector): Add emulation_ field.
1200         Update declarations.
1201         (Target_selector::recognize_by_bfd_name): Rename from
1202         recognize_by_name.  Change all callers.
1203         (Target_selector::supported_bfd_names): Rename from
1204         supported_names.  Change all callers.
1205         (Target_selector::recognize_by_emulation): New function.
1206         (Target_selector::supported_emulations): New function.
1207         (Target_selector::emulation): New function.
1208         (Target_selector::do_recognize_by_bfd_name): Rename from
1209         do_recognize_by_name.  Change all callers.
1210         (Target_selector::do_supported_bfd_names): Rename from
1211         do_supported_names.  Change all callers.
1212         (Target_selector::do_recognize_by_emulation): New function.
1213         (Target_selector::do_supported_emulations): New function.
1214         (select_target_by_bfd_name): Change name in declaration.
1215         (select_target_by_emulation): Declare.
1216         (supported_emulation_names): Declare.
1217         * parameters.cc (parameters_force_valid_target): Try to find
1218         target based on emulation from -m option.
1219         * options.h (class General_options): Change doc string for -m.
1220         * options.cc (help): Print emulations.
1221         (General_options::parse_V): Likewise.
1222         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1223         Add emulation parameter.  Change all callers.
1224
1225 2011-06-28  Ian Lance Taylor  <iant@google.com>
1226
1227         * target.h (class Target): Add osabi_ field.
1228         (Target::osabi): New function.
1229         (Target::set_osabi): New function.
1230         (Target::Target): Initialize osabi_.
1231         (Target::do_adjust_elf_header): Make pure virtual.
1232         (Sized_target::do_adjust_elf_header): Declare.
1233         * target.cc (Sized_target::do_adjust_elf_header): New function.
1234         (class Sized_target): Instantiate all versions.
1235         * freebsd.h (class Target_freebsd): Remove.
1236         (Target_selector_freebsd::do_recognize): Call set_osabi on
1237         Target.
1238         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1239         (Target_selector_freebsd::set_osabi): Remove.
1240         * i386.cc (class Target_i386): Inherit from Sized_target rather
1241         than Target_freebsd.
1242         * x86_64.cc (class Target_x86_64): Likewise.
1243
1244 2011-06-28  Ian Lance Taylor  <iant@google.com>
1245
1246         * target.h (Target::can_check_for_function_pointers): Rewrite.
1247         Make non-virtual.
1248         (Target::can_icf_inline_merge_sections): Likewise.
1249         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1250         (Target::Target_info): Add can_icf_inline_merge_sections field.
1251         (Target::do_can_check_for_function_pointers): New virtual
1252         function.
1253         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1254         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1255         from can_check_for_function_pointers, move in file.
1256         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1257         section_may_have_icf_unsafe_poineters, move in file.
1258         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1259         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1260         Rename from can_check_for_function_pointers, move in file.
1261         (Target_i386::can_icf_inline_merge_sections): Remove.
1262         (Target_i386::i386_info): Initialize
1263         can_icf_inline_merge_sections.
1264         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1265         Initialize can_icf_inline_merge_sections.
1266         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1267         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1268         Rename from can_check_for_function_pointers, move in file.
1269         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1270         (Target_x86_64::x86_64_info): Initialize
1271         can_icf_inline_merge_sections.
1272         * testsuite/testfile.cc (Target_test::test_target_info):
1273         Likewise.
1274         * icf.cc (get_section_contents): Correct formatting.
1275
1276 2011-06-27  Ian Lance Taylor  <iant@google.com>
1277
1278         * symtab.cc (Symbol::versioned_name): New function.
1279         (Symbol_table::add_to_final_symtab): Use versioned_name when
1280         appropriate.
1281         (Symbol_table::sized_write_symbol): Likewise.
1282         * symtab.h (class Symbol): Declare versioned_name.
1283         * stringpool.h (class Stringpool_template): Add variant of add
1284         which takes a std::basic_string.
1285         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1286         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1287         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1288         (ver_test_12.o): New target.
1289         * testsuite/Makefile.in: Rebuild.
1290
1291 2011-06-27  Doug Kwan  <dougkwan@google.com>
1292
1293         * arm.cc (Arm_relocate_functions::thm_jump8,
1294         Arm_relocate_functions::thm_jump11): Use a wider signed
1295         type to compute offset.
1296         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1297         arm_thm_jump8.
1298         * testsuite/Makefile.in: Regenerate.
1299         * testsuite/arm_branch_in_range.sh: Check test results of
1300         arm_thm_jump11 and arm_thm_jump8.
1301         * testsuite/arm_thm_jump11.s: New test source file.
1302         * testsuite/arm_thm_jump11.t: New linker script.
1303         * testsuite/arm_thm_jump8.s: New test source file.
1304         * testsuite/arm_thm_jump8.t: New linker script.
1305
1306 2011-06-24  Ian Lance Taylor  <iant@google.com>
1307
1308         * layout.cc: Include "object.h".
1309         (ctors_sections_in_init_array): New static variable.
1310         (Layout::is_ctors_in_init_array): New function.
1311         (Layout::layout): Add entry to ctors_sections_in_init_array if
1312         appropriate.
1313         * layout.h (class Layout): Declare is_ctors_in_init_array.
1314         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1315         is_ctors_reverse_view is set.
1316         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1317         all callers.  Set is_ctors_reverse_view field of View_size.
1318         (Sized_relobj_file::reverse_words): New function.
1319         * object.h (Sized_relobj_file::View_size): Add
1320         is_ctors_reverse_view field.
1321         (class Sized_relobj_file): Update declarations.
1322         * testsuite/initpri3.c: New test.
1323         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1324         initpri3b.
1325         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1326         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1327         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1328         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1329         * testsuite/Makefile.in: Rebuild.
1330
1331 2011-06-24  Cary Coutant  <ccoutant@google.com>
1332
1333         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1334         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1335         (debug_msg_cdebug.err): New targets.
1336         * testsuite/Makefile.in: Regenerate.
1337         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1338         Fix checks for link with shared library.
1339
1340 2011-06-24  Doug Kwan  <dougkwan@google.com>
1341
1342         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1343         skip empty text sections.
1344         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1345
1346 2011-06-22  Ian Lance Taylor  <iant@google.com>
1347
1348         PR gold/12910
1349         * options.h (class General_options): Add --ctors-in-init-array.
1350         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1351         friends as SHT_PROGBITS for merging sections.
1352         (Layout::layout): Remove special handling of .init_array and
1353         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1354         and .dtors if ctors_in_init_array.
1355         (Layout::make_output_section): Force correct section types for
1356         .init_array and friends.  Don't sort if doing relocatable link,
1357         Don't sort .ctors and .dtors if ctors_in_init_array.
1358         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1359         (Layout::output_section_name): Add relobj parameter.  Change all
1360         callers.  Handle .ctors. and .dtors. in code rather than table.
1361         Handle .ctors and .dtors if ctors_in_init_array.
1362         (Layout::match_file_name): New function, moved from output.cc.
1363         * layout.h (class Layout): Update declarations.
1364         * output.cc: Include "layout.h".
1365         (Input_section_sort_entry::get_priority): New function.
1366         (Input_section_sort_entry::match_file_name): Just call
1367         Layout::match_file_name.
1368         (Output_section::Input_section_sort_init_fini_compare::operator()):
1369         Handle .ctors and .dtors.  Sort by explicit priority rather than
1370         by name.
1371         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1372         * testsuite/initpri2.c: New test.
1373         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1374         (check_PROGRAMS): Add initpri2.
1375         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1376         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1377         * configure, testsuite/Makefile.in: Rebuild.
1378
1379 2011-06-19  Ian Lance Taylor  <iant@google.com>
1380
1381         PR gold/12880
1382         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1383         .interp section to a PT_INTERP segment even if we have seen a
1384         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1385         clause in a linker script.
1386         (Layout::finalize): Don't create a .interp section if we've
1387         already create a PT_INTERP segment.
1388         (Layout::create_interp): Always call choose_output_section (revert
1389         patch of 2011-06-17).  Don't create PT_INTERP segment.
1390         * script-sections.cc
1391         (Script_sections::create_note_and_tls_segments): Add a .interp
1392         section to a PT_INTERP segment even if we have seen a
1393         --dynamic-linker option.
1394
1395 2011-06-18  Ian Lance Taylor  <iant@google.com>
1396
1397         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1398         merely because a non-PT_LOAD segment has a dynamic reloc.
1399
1400 2011-06-18  Ian Lance Taylor  <iant@google.com>
1401
1402         * layout.cc (Layout::finish_dynamic_section): Don't create
1403         DT_FLAGS entry if not needed.
1404
1405 2011-06-18  Ian Lance Taylor  <iant@google.com>
1406
1407         PR gold/12745
1408         * layout.cc (Layout::layout_eh_frame): Correct handling of
1409         writable .eh_frame section.
1410
1411 2011-06-17  Ian Lance Taylor  <iant@google.com>
1412
1413         PR gold/12893
1414         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1415         symbol is redefined with the exact same object and value.
1416
1417 2011-06-17  Ian Lance Taylor  <iant@google.com>
1418
1419         PR gold/12880
1420         * layout.h (class Layout): Add interp_segment_ field.
1421         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1422         (Layout::attach_allocated_section_to_segment): If making shared
1423         library, put .interp section in PT_INTERP segment.
1424         (Layout::finalize): Also call create_interp if -dynamic-linker
1425         option was used.
1426         (Layout::create_interp): Assert that there is no PT_INTERP
1427         segment.  If not using a SECTIONS clause, use make_output_section.
1428         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1429         * script-sections.cc
1430         (Script_sections::create_note_and_tls_segments): If making shared
1431         library, put .interp section in PT_INTERP segment.
1432
1433 2011-06-17  Ian Lance Taylor  <iant@google.com>
1434
1435         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1436         when making a shared library.
1437
1438 2011-06-17  Ian Lance Taylor  <iant@google.com>
1439
1440         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1441         parameter.  Change all callers.  Don't issue warning about PC32
1442         against locally defined symbol.
1443
1444 2011-06-16  Ian Lance Taylor  <iant@google.com>
1445
1446         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1447         occurs in same object.
1448
1449 2011-06-14  Alan Modra  <amodra@gmail.com>
1450
1451         * po/POTFILES.in: Regenerate.
1452
1453 2011-06-09  Ian Lance Taylor  <iant@google.com>
1454
1455         * script-sections.cc
1456         (Orphan_output_section::set_section_addresses): For a relocatable
1457         link set address to 0.
1458
1459 2011-06-09  Cary Coutant  <ccoutant@google.com>
1460
1461         PR gold/12804
1462         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1463         used with --compress-debug-sections.
1464         * gold/object.cc (Sized_relobj_file::do_layout): Report
1465         uncompressed size of compressed input sections.
1466
1467 2011-06-08  Cary Coutant  <ccoutant@google.com>
1468
1469         PR gold/12804
1470         * testsuite/two_file_test_2_v1.cc: Change initialization of
1471         v2 to keep it in .data.
1472
1473 2011-06-07  Cary Coutant  <ccoutant@google.com>
1474
1475         * common.cc (Symbol_table::do_allocate_commons_list): Call
1476         gold_fallback.
1477         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1478         (Errors::fallback): New function.
1479         (gold_fallback): New function.
1480         * errors.h (Errors::fallback): New function.
1481         * gold.cc (gold_exit): Change status parameter to enum; adjust
1482         all callers.
1483         (queue_initial_tasks): Call gold_fallback.
1484         * gold.h: Include cstdlib.
1485         (Exit_status): New enum type.
1486         (gold_exit): Change status parameter to enum.
1487         (gold_fallback): New function.
1488         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1489         (Layout::create_symtab_sections): Likewise.
1490         (Layout::create_shdrs): Likewise.
1491         * main.cc (main): Adjust call to gold_exit.
1492         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1493         (Output_data_got::add_got_entry_pair): Likewise.
1494         (Output_section::add_input_section): Likewise.
1495         (Output_section::add_output_section_data): Likewise.
1496         (Output_segment::set_section_list_addresses): Likewise.
1497         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1498
1499 2011-06-07  Cary Coutant  <ccoutant@google.com>
1500
1501         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1502         for incremental links.
1503         * output.cc (Output_segment::set_section_list_addresses): Remove
1504         FIXME and test for TLS or BSS.
1505
1506 2011-06-07  Cary Coutant  <ccoutant@google.com>
1507
1508         * testsuite/Makefile.am: Add incremental_copy_test,
1509         incremental_common_test_1.
1510         * testsuite/Makefile.in: Regenerate.
1511         * testsuite/common_test_1_v1.c: New source file.
1512         * testsuite/common_test_1_v2.c: New source file.
1513         * testsuite/copy_test_v1.cc: New source file.
1514
1515 2011-06-07  Cary Coutant  <ccoutant@google.com>
1516
1517         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1518         update, allocate common from bss section's free list.
1519         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1520         linker-defined symbols.
1521         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1522         Skip GOT and PLT entries that are no longer referenced.
1523         (Output_section_incremental_inputs::write_info_blocks): Mark
1524         linker-defined symbols.
1525         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1526         * output.cc (Output_section::allocate): New function.
1527         * output.h (Output_section::allocate): New function.
1528         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1529         linker-defined symbols.
1530         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1531         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1532         (Symbol::init_base_output_data): Likewise.
1533         (Symbol::init_base_output_segment): Likewise.
1534         (Symbol::init_base_constant): Likewise.
1535         (Sized_symbol::init_output_data): Likewise.
1536         (Sized_symbol::init_output_segment): Likewise.
1537         (Sized_symbol::init_constant): Likewise.
1538         (Symbol_table::do_define_in_output_data): Likewise.
1539         (Symbol_table::do_define_in_output_segment): Likewise.
1540         (Symbol_table::do_define_as_constant): Likewise.
1541         * symtab.h (Symbol::is_predefined): New function.
1542         (Symbol::init_base_output_data): Add is_predefined parameter.
1543         (Symbol::init_base_output_segment): Likewise.
1544         (Symbol::init_base_constant): Likewise.
1545         (Symbol::is_predefined_): New data member.
1546         (Sized_symbol::init_output_data): Add is_predefined parameter.
1547         (Sized_symbol::init_output_segment): Likewise.
1548         (Sized_symbol::init_constant): Likewise.
1549         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1550
1551 2011-06-07  Cary Coutant  <ccoutant@google.com>
1552
1553         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1554         instead of emit_copy_reloc.
1555         (Copy_relocs::emit_copy_reloc): Refactor.
1556         (Copy_relocs::make_copy_reloc): New function.
1557         (Copy_relocs::add_copy_reloc): Remove.
1558         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1559         section.
1560         (Copy_relocs::make_copy_reloc): New function.
1561         (Copy_relocs::add_copy_reloc): Remove.
1562         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1563         unchanged input files.
1564         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1565         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1566         Reserve BSS space for COPY relocations.
1567         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1568         (Output_section_incremental_inputs::write_info_blocks): Record
1569         whether a symbol is copied from a shared object.
1570         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1571         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1572         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1573         (Incremental_input_entry_reader::get_output_symbol_index): Add
1574         is_copy parameter.
1575         (Incremental_binary::emit_copy_relocs): New function.
1576         (Incremental_binary::do_emit_copy_relocs): New function.
1577         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1578         new data member.
1579         (Sized_incremental_binary::add_copy_reloc): New function.
1580         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1581         (Sized_incremental_binary::Copy_reloc): New struct.
1582         (Sized_incremental_binary::Copy_relocs): New typedef.
1583         (Sized_incremental_binary::copy_relocs_): New data member.
1584         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1585         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1586         * target.h (Sized_target::emit_copy_reloc): New function.
1587         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1588
1589 2011-06-02  Cary Coutant  <ccoutant@google.com>
1590
1591         PR gold/12163
1592         * gold/archive.cc (Archive::Archive): Initialize new data member.
1593         (Archive::include_all_members): Return if archive has already been
1594         included.
1595         * gold/archive.h (Archive::include_all_members_): New data member.
1596
1597 2011-06-02  Nick Clifton  <nickc@redhat.com>
1598
1599         * dynobj.h: Fix spelling mistake in comment.
1600         * output.cc: Likewise.
1601
1602 2011-05-31  Doug Kwan  <dougkwan@google.com>
1603             Asier Llano
1604
1605         PR gold/12826
1606         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1607         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1608         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1609         redundant arm_exidx_test.so.
1610         * testsuite/Makefile.in: Regenerate.
1611         (check_SCRIPTS): Add pr12826.sh
1612         (check_DATA): Add pr12826.stdout
1613         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1614         * testsuite/pr12826.sh: New file.
1615         * testsuite/pr12826_1.s: Ditto.
1616         * testsuite/pr12826_1.s: Ditto.
1617
1618 2011-05-30  Ian Lance Taylor  <iant@google.com>
1619
1620         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1621         sections.
1622
1623 2011-05-29  Ian Lance Taylor  <iant@google.com>
1624
1625         PR gold/12804
1626         * testsuite/Makefile.am: Use different file name for two_file_test
1627         temporary file for each incremental test.
1628         * testsuite/Makefile.in: Rebuild.
1629
1630 2011-05-29  Ian Lance Taylor  <iant@google.com>
1631
1632         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1633         binary input file is empty.
1634
1635 2011-05-27  Ian Lance Taylor  <iant@google.com>
1636
1637         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1638         (ver_test_9.so): Likewise.
1639         * testsuite/Makefile.in: Rebuild.
1640
1641 2011-05-26 Cary Coutant  <ccoutant@google.com>
1642
1643         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1644         * incremental.cc (Incremental_inputs::report_input_section): Fix
1645         comment, indentation.
1646         (Incremental_inputs::report_comdat_group): New function.
1647         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1648         of data for incremental input file entry.
1649         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1650         group count, COMDAT group signatures.
1651         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1652         an unchanged input file.
1653         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1654         Initialize new data member.
1655         (Incremental_object_entry::add_comdat_group): New function.
1656         (Incremental_object_entry::get_comdat_group_count): New function.
1657         (Incremental_object_entry::get_comdat_signature_key): New function.
1658         (Incremental_object_entry::groups_): New data member.
1659         (Incremental_inputs::report_comdat_group): New function.
1660         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1661         data for incremental input file entry.
1662         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1663         (Incremental_input_entry_reader::get_input_section): Adjust size of
1664         data for incremental input file entry.
1665         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1666         (Incremental_input_entry_reader::get_comdat_group_signature): New
1667         function.
1668         * object.cc (Sized_relobj::include_section_group): Report kept
1669         COMDAT groups for incremental links.
1670
1671 2011-05-24  David Meyer  <pdox@google.com>
1672
1673         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1674         with name parameter.  Add found_name parameter.
1675         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1676         * dirsearch.h (class Dirsearch): Update declaration.
1677
1678 2011-05-24  Ian Lance Taylor  <iant@google.com>
1679
1680         * archive.cc (Library_base::should_include_member): Pull in object
1681         from archive if it defines the entry symbol.
1682         * parameters.cc (Parameters::entry): New function.
1683         * parameters.h (class Parameters): Declare entry.
1684         * output.h (class Output_file_header): Remove entry_ field.
1685         * output.cc (Output_file_header::Output_file_header): Remove entry
1686         parameter.  Change all callers.
1687         (Output_file_header::entry): Use parameters->entry.
1688         * gold.cc (queue_middle_tasks): Likewise.
1689         * plugin.cc (Plugin_hook::run): Likewise.
1690
1691 2011-05-24 Cary Coutant  <ccoutant@google.com>
1692
1693         * gold.cc (queue_initial_tasks): Pass incremental base filename
1694         to Output_file::open_base_file; don't print error message.
1695         * incremental-dump.cc (main): Adjust call to
1696         Output_file::open_for_modification.
1697         * incremental-dump.cc (main): Likewise.
1698         * incremental.cc (Incremental_inputs::report_command_line):
1699         Ignore --incremental-base option when comparing command lines.
1700         Ignore parameter when given as separate argument.
1701         * options.h (class General_options): Add --incremental-base.
1702         * output.cc (Output_file::Output_file):
1703         (Output_file::open_base_file): Add base_name and writable parameters;
1704         read base file into new file; print error message here.
1705         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1706         callers.
1707         * output.h (Output_file::open_for_modification): Rename to...
1708         (Output_file::open_base_file): ...this; add base_name and
1709         writable parameters; adjust all callers.
1710         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1711         callers.
1712         * testsuite/Makefile.am (incremental_test_4): Test
1713         --incremental-base.
1714         * testsuite/Makefile.in: Regenerate.
1715
1716 2011-05-24 Cary Coutant  <ccoutant@google.com>
1717
1718         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1719         incremental_test_4.
1720         * testsuite/Makefile.in: Regenerate.
1721         * testsuite/two_file_test_1_v1.cc: New test source file.
1722         * testsuite/two_file_test_1b_v1.cc: New test source file.
1723         * testsuite/two_file_test_2_v1.cc: New test source file.
1724
1725 2011-05-24 Cary Coutant  <ccoutant@google.com>
1726
1727         * dynobj.h (Dynobj::do_dynobj): New function.
1728         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1729         flag and soname for shared objects.
1730         * incremental.cc (Incremental_inputs::report_object): Make
1731         either Incremental_object_entry or Incremental_dynobj_entry; add
1732         soname to string table.
1733         (Incremental_inputs::report_input_section): Add assertion.
1734         (Output_section_incremental_inputs::set_final_data_size): Adjust
1735         type of input file entry for shared libraries; adjust size of
1736         shared library info entry.
1737         (Output_section_incremental_inputs::write_input_files): Write
1738         as_needed flag for shared libraries.
1739         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1740         of input file entry for shared libraries; write soname.
1741         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1742         soname from incremental info.
1743         * incremental.h (enum Incremental_input_flags): Add
1744         INCREMENTAL_INPUT_AS_NEEDED.
1745         (Incremental_input_entry::Incremental_input_entry): Initialize new
1746         data member.
1747         (Incremental_input_entry::set_as_needed): New function.
1748         (Incremental_input_entry::as_needed): New function.
1749         (Incremental_input_entry::do_dynobj_entry): New function.
1750         (Incremental_input_entry::as_needed_): New data member.
1751         (Incremental_object_entry::Incremental_object_entry): Don't check
1752         for shared library.
1753         (Incremental_object_entry::do_type): Likewise.
1754         (class Incremental_dynobj_entry): New class.
1755         (Incremental_input_entry_reader::as_needed): New function.
1756         (Incremental_input_entry_reader::get_soname): New function.
1757         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1758         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1759         size of shared library info entry.
1760         * layout.cc (Layout::finish_dynamic_section): Don't test for
1761         incremental link when adding DT_NEEDED entries.
1762         * object.h (Object::Object): Initialize new data member.
1763         (Object::dynobj): New function.
1764         (Object::set_as_needed): New function.
1765         (Object::as_needed): New function.
1766         (Object::do_dynobj): New function.
1767         (Object::as_needed_): New data member.
1768
1769 2011-05-24 Cary Coutant  <ccoutant@google.com>
1770
1771         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1772         info; adjust display of GOT entries.
1773         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1774         vector of input objects; remove file_status_.
1775         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1776         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1777         got_plt reader; call target hooks to reserve GOT entries.
1778         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1779         of input file info header and GOT info entry.
1780         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1781         relocation info.
1782         (Got_plt_view_info::got_descriptor): Remove.
1783         (Got_plt_view_info::sym_index): New data member.
1784         (Got_plt_view_info::input_index): New data member.
1785         (Local_got_offset_visitor::visit): Write input file index.
1786         (Global_got_offset_visitor::visit): Write 0 for input file index.
1787         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1788         with sym_index and input_index.
1789         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1790         incremental info GOT entry; replace got_descriptor with input_index.
1791         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1792         map from input file index to object.
1793         (Sized_relobj_incr::do_layout): Replace direct data member reference
1794         with accessor function.
1795         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1796         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1797         Adjust size of input file info header.
1798         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1799         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1800         (Incremental_input_entry_reader::get_input_section): Adjust size of
1801         input file info header.
1802         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1803         of incremental info GOT entry.
1804         (Incremental_got_plt_reader::get_got_desc): Remove.
1805         (Incremental_got_plt_reader::get_got_symndx): New function.
1806         (Incremental_got_plt_reader::get_got_input_index): New function.
1807         (Sized_incremental_binary::Sized_incremental_binary): Remove
1808         file_status_; add input_objects_.
1809         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1810         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1811         (Sized_incremental_binary::file_is_unchanged): Remove.
1812         (Sized_incremental_binary::set_input_object): New function.
1813         (Sized_incremental_binary::input_object): New function.
1814         (Sized_incremental_binary::file_status_): Remove.
1815         (Sized_incremental_binary::input_objects_): New data member.
1816         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1817         references.
1818         (Sized_relobj_incr::invalid_address): Move to base class.
1819         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1820         class.
1821         (Sized_relobj_incr::do_output_section_offset): Likewise.
1822         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1823         (Sized_relobj_incr::section_offsets_): Likewise.
1824         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1825         function.
1826         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1827         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1828         with accessor function.
1829         (Sized_relobj_file::do_layout): Likewise.
1830         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1831         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1832         (Sized_relobj_file::compute_final_local_value): Replace refs to
1833         section_offsets_ with accessor function.
1834         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1835         * object.h (Relobj::Relobj): Initialize new data members.
1836         (Relobj::add_dyn_reloc): New function.
1837         (Relobj::first_dyn_reloc): New function.
1838         (Relobj::dyn_reloc_count): New function.
1839         (Relobj::first_dyn_reloc_): New data member.
1840         (Relobj::dyn_reloc_count_): New data member.
1841         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1842         references.
1843         (Sized_relobj::Address): New typedef.
1844         (Sized_relobj::invalid_address): Move here from child class.
1845         (Sized_relobj::Sized_relobj): Initialize new data members.
1846         (Sized_relobj::sized_relobj): New function.
1847         (Sized_relobj::is_output_section_offset_invalid): Move here from
1848         child class.
1849         (Sized_relobj::get_output_section_offset): Likewise.
1850         (Sized_relobj::local_has_got_offset): Likewise.
1851         (Sized_relobj::local_got_offset): Likewise.
1852         (Sized_relobj::set_local_got_offset): Likewise.
1853         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1854         (Sized_relobj::clear_got_offsets): New function.
1855         (Sized_relobj::section_offsets): Move here from child class.
1856         (Sized_relobj::do_output_section_offset): Likewise.
1857         (Sized_relobj::do_set_section_offset): Likewise.
1858         (Sized_relobj::Local_got_offsets): Likewise.
1859         (Sized_relobj::local_got_offsets_): Likewise.
1860         (Sized_relobj::section_offsets_): Likewise.
1861         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1862         references.
1863         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1864         class.
1865         (Sized_relobj_file::sized_relobj): New function
1866         (Sized_relobj_file::local_has_got_offset): Move to base class.
1867         (Sized_relobj_file::local_got_offset): Likewise.
1868         (Sized_relobj_file::set_local_got_offset): Likewise.
1869         (Sized_relobj_file::get_output_section_offset): Likewise.
1870         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1871         (Sized_relobj_file::do_output_section_offset): Likewise.
1872         (Sized_relobj_file::do_set_section_offset): Likewise.
1873         (Sized_relobj_file::Local_got_offsets): Likewise.
1874         (Sized_relobj_file::local_got_offsets_): Likewise.
1875         (Sized_relobj_file::section_offsets_): Likewise.
1876         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1877         (all constructors).
1878         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1879         (Output_reloc::get_symbol_index): Likewise.
1880         (Output_reloc::local_section_offset): Likewise.
1881         (Output_reloc::get_address): Likewise.
1882         (Output_reloc::symbol_value): Likewise.
1883         (Output_data_got::reserve_slot): Move to class definition.
1884         (Output_data_got::reserve_local): New function.
1885         (Output_data_got::reserve_slot_for_global): Remove.
1886         (Output_data_got::reserve_global): New function.
1887         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1888         (all constructors, two instantiations).
1889         (Output_reloc::get_relobj): New function (two instantiations).
1890         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1891         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1892         (Output_data_reloc::add_global): Adjust type of relobj.
1893         (Output_data_reloc::add_global_relative): Likewise.
1894         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1895         (Output_data_reloc::add_local): Likewise.
1896         (Output_data_reloc::add_local_relative): Likewise.
1897         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1898         (Output_data_reloc::add_local_section): Likewise.
1899         (Output_data_reloc::add_output_section): Likewise.
1900         (Output_data_reloc::add_absolute): Likewise.
1901         (Output_data_reloc::add_target_specific): Likewise.
1902         (Output_data_got::reserve_slot): Move definition here.
1903         (Output_data_got::reserve_local): New function.
1904         (Output_data_got::reserve_global): New function.
1905         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1906         section_offsets_ with accessor function.
1907         (Sized_relobj_file::write_sections): Likewise.
1908         (Sized_relobj_file::do_relocate_sections): Likewise.
1909         * target.h (Sized_target::reserve_local_got_entry): New function.
1910         (Sized_target::reserve_global_got_entry): New function.
1911         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1912         (Target_x86_64::reserve_global_got_entry): New function.
1913         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1914
1915 2011-05-23 Cary Coutant  <ccoutant@google.com>
1916
1917         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1918         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1919         bit when checking got_type.
1920         * incremental.cc (Sized_incremental_binary::setup_readers):
1921         Store symbol table and string table locations; initialize bit vector
1922         of file status flags.
1923         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1924         unchanged files.
1925         (Sized_incremental_binary::do_process_got_plt): New function.
1926         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1927         (Output_section_incremental_inputs::set_final_data_size): Record
1928         file index for each input file.
1929         (Output_section_incremental_inputs::write_got_plt): Store file index
1930         instead of input entry offset for each GOT entry.
1931         * incremental.h
1932         (Incremental_input_entry::Incremental_input_entry): Initialize new
1933         data member.
1934         (Incremental_input_entry::set_offset): Store file index.
1935         (Incremental_input_entry::get_file_index): New function.
1936         (Incremental_input_entry::file_index_): New data member.
1937         (Incremental_binary::process_got_plt): New function.
1938         (Incremental_binary::do_process_got_plt): New function.
1939         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1940         data members.
1941         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1942         (Sized_incremental_binary::set_file_is_unchanged): New function.
1943         (Sized_incremental_binary::file_is_unchanged): New function.
1944         (Sized_incremental_binary::do_process_got_plt): New function.
1945         (Sized_incremental_binary::file_status_): New data member.
1946         (Sized_incremental_binary::main_symtab_loc_): New data member.
1947         (Sized_incremental_binary::main_strtab_loc_): New data member.
1948         * output.cc (Output_data_got::Got_entry::write): Add case
1949         RESERVED_CODE.
1950         (Output_data_got::add_global): Call add_got_entry.
1951         (Output_data_got::add_global_plt): Likewise.
1952         (Output_data_got::add_global_with_rel): Likewise.
1953         (Output_data_got::add_global_with_rela): Likewise.
1954         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1955         (Output_data_got::add_global_pair_with_rela): Likewise.
1956         (Output_data_got::add_local): Call add_got_entry.
1957         (Output_data_got::add_local_plt): Likewise.
1958         (Output_data_got::add_local_with_rel): Likewise.
1959         (Output_data_got::add_local_with_rela): Likewise.
1960         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1961         (Output_data_got::add_local_pair_with_rela): Likewise.
1962         (Output_data_got::reserve_slot): New function.
1963         (Output_data_got::reserve_slot_for_global): New function.
1964         (Output_data_got::add_got_entry): New function.
1965         (Output_data_got::add_got_entry_pair): New function.
1966         (Output_section::add_output_section_data): Edit FIXME.
1967         * output.h
1968         (Output_section_data_build::Output_section_data_build): New
1969         constructor with size parameter.
1970         (Output_data_space::Output_data_space): Likewise.
1971         (Output_data_got::Output_data_got): Initialize new data member; new
1972         constructor with size parameter.
1973         (Output_data_got::add_constant): Call add_got_entry.
1974         (Output_data_got::reserve_slot): New function.
1975         (Output_data_got::reserve_slot_for_global): New function.
1976         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1977         (Output_data_got::add_got_entry): New function.
1978         (Output_data_got::add_got_entry_pair): New function.
1979         (Output_data_got::free_list_): New data member.
1980         * target.h (Sized_target::init_got_plt_for_update): New function.
1981         (Sized_target::register_global_plt_entry): New function.
1982         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1983         Initialize new data member; call init; add constructor with PLT count.
1984         (Output_data_plt_x86_64::init): New function.
1985         (Output_data_plt_x86_64::add_relocation): New function.
1986         (Output_data_plt_x86_64::reserve_slot): New function.
1987         (Output_data_plt_x86_64::free_list_): New data member.
1988         (Target_x86_64::init_got_plt_for_update): New function.
1989         (Target_x86_64::register_global_plt_entry): New function.
1990         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1991         incremental updates.
1992         (Output_data_plt_x86_64::add_relocation): New function.
1993         * testsuite/object_unittest.cc (Object_test): Set default options.
1994
1995 2011-05-16  Ian Lance Taylor  <iant@google.com>
1996
1997         * options.h (class General_options): Make -i a synonym for -r.
1998
1999 2011-05-16  Ian Lance Taylor  <iant@google.com>
2000
2001         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2002
2003 2011-05-10 Cary Coutant  <ccoutant@google.com>
2004
2005         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2006         strip_all (-s).
2007
2008 2011-05-06  Ian Lance Taylor  <iant@google.com>
2009
2010         * layout.cc (Layout::layout): If the output section flags change,
2011         update the ordering.
2012
2013 2011-04-25 Cary Coutant  <ccoutant@google.com>
2014
2015         * incremental-dump.cc (dump_incremental_inputs): Print local
2016         symbol info for each input file.
2017         * incremental.cc
2018         (Output_section_incremental_inputs::set_final_data_size): Add local
2019         symbol info to input file entries in incremental info.
2020         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2021         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2022         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2023         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2024         implementation.
2025         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2026         (Sized_incr_relobj::do_relocate): Write the local symbols.
2027         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2028         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2029         Adjust size of input file header.
2030         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2031         (Incremental_inputs_reader::get_local_symbol_count): New function.
2032         (Incremental_inputs_reader::get_input_section): Adjust size of input
2033         file header.
2034         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2035         (Sized_incr_relobj::This): New typedef.
2036         (Sized_incr_relobj::sym_size): New const data member.
2037         (Sized_incr_relobj::Local_symbol): New struct.
2038         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2039         (Sized_incr_relobj::do_local_symbol_offset): New function.
2040         (Sized_incr_relobj::local_symbol_count_): New data member.
2041         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2042         (Sized_incr_relobj::local_symbol_index_): New data member.
2043         (Sized_incr_relobj::local_symbol_offset_): New data member.
2044         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2045         (Sized_incr_relobj::local_symbols_): New data member.
2046         * object.h (Relobj::output_local_symbol_count): New function.
2047         (Relobj::local_symbol_offset): New function.
2048         (Relobj::do_output_local_symbol_count): New function.
2049         (Relobj::do_local_symbol_offset): New function.
2050         (Sized_relobj::do_output_local_symbol_count): New function.
2051         (Sized_relobj::do_local_symbol_offset): New function.
2052
2053 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2054
2055         * descriptors.cc (set_close_on_exec): New function.
2056         (Descriptors::open): Use set_close_on_exec.
2057         * output.cc (S_ISLNK): Define if not defined.
2058
2059 2011-04-22 Cary Coutant  <ccoutant@google.com>
2060
2061         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2062         global symbol map.
2063         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2064         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2065         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2066         relocations.
2067         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2068         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2069         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2070         * incremental.h
2071         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2072         function.
2073         (Incremental_binary::apply_incremental_relocs): New function.
2074         (Incremental_binary::do_apply_incremental_relocs): New function.
2075         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2076         data member.
2077         (Sized_incremental_binary::add_global_symbol): New function.
2078         (Sized_incremental_binary::global_symbol): New function.
2079         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2080         (Sized_incremental_binary::symbol_map_): New data member.
2081         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2082         * target.h (Sized_target::apply_relocation): New function.
2083         * target-reloc.h (apply_relocation): New function.
2084         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2085
2086 2011-04-22  Doug Kwan  <dougkwan@google.com>
2087
2088         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2089         flag of a SHT_ARM_EXIDX section.
2090         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2091         * testsuite/Makefile.in: Regenerate.
2092         * testsuite/arm_exidx_test.s: New file.
2093         * testsuite/arm_exidx_test.sh: Same.
2094
2095 2011-04-20 Cary Coutant  <ccoutant@google.com>
2096
2097         PR gold/12689
2098         * archive.h (Incremental_archive_entry::Archive_member):
2099         Initialize arg_serial_ (second constructor).
2100
2101 2011-04-17  Ian Lance Taylor  <iant@google.com>
2102
2103         * object.cc (Relocate_info::location): Simplify location string.
2104         * errors.cc (Errors::error_at_location): Don't print program
2105         name.
2106         (Errors::warning_at_location): Likewise.
2107         (Errors::undefined_symbol): Likewise.
2108         * testsuite/debug_msg.sh: Update accordingly.
2109
2110 2011-04-14 Cary Coutant  <ccoutant@google.com>
2111
2112         * gold/layout.cc (Layout::symtab_section_offset): New function.
2113         * gold/layout.h (Layout::symtab_section_offset): New function.
2114         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2115
2116 2011-04-12  Ian Lance Taylor  <iant@google.com>
2117
2118         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2119         with MREMAP_MAYMOVE.
2120         * output.h (class Output_file): Add map_is_allocated_ field.
2121         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2122         not available, provide stubs.  If mremap is not available, #define
2123         it to gold_mremap.
2124         (MREMAP_MAYMOVE): Define if not defined.
2125         (Output_file::Output_file): Initialize map_is_allocated_.
2126         (Output_file::resize): Check map_is_allocated_.
2127         (Output_file::map_anonymous): If mmap fails, use malloc.
2128         (Output_file::unmap): Don't do anything for an anonymous map.
2129         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2130         is not available, provide stubs.
2131         (File_read::View::~View): Use free rather than delete[].
2132         (File_read::make_view): Use malloc rather than new[].  If mmap
2133         fails, use malloc.
2134         (File_read::find_or_make_view): Use malloc rather than new[].
2135         * gold.h: Remove HAVE_REMAP code.
2136         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2137         exists.  Rename mremap to gold_mremap.  If mmap is not available
2138         don't do anything.
2139         * configure, config.in: Rebuild.
2140
2141 2011-04-11  Ian Lance Taylor  <iant@google.com>
2142
2143         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2144         initialize local variable v.
2145
2146 2011-04-11  Cary Coutant  <ccoutant@google.com>
2147
2148         * archive.cc (Archive::include_member): Adjust call to
2149         report_object.
2150         (Add_archive_symbols::run): Track argument serial numbers.
2151         (Lib_group::include_member): Likewise.
2152         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2153         * archive.h (Incremental_archive_entry::Archive_member):
2154         Initialize arg_serial_.
2155         (Archive_member::arg_serial_): New data member.
2156         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2157         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2158         incremental link.
2159         (Sized_dynobj::do_for_all_local_got_entries): New function.
2160         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2161         function.
2162         * fileread.cc (get_mtime): New function.
2163         * fileread.h (get_mtime): New function.
2164         * gold.cc (queue_initial_tasks): Check for incremental update.
2165         (process_incremental_input): New function.
2166         (queue_middle_tasks): Don't force valid target for incremental
2167         update.
2168         * incremental-dump.cc (find_input_containing_global): Adjust
2169         size of symbol info entry.
2170         (dump_incremental_inputs): Dump argument serial number and
2171         in_system_directory flag; bias shndx by 1; print symbol names
2172         when dumping per-file symbol lists; use new symbol info readers.
2173         * incremental.cc
2174         (Output_section_incremental_inputs:update_data_size): New function.
2175         (Sized_incremental_binary::setup_readers): Setup input readers
2176         for each input file; build maps for files added from libraries
2177         and scripts.
2178         (Sized_incremental_binary::check_input_args): New function.
2179         (Sized_incremental_binary::do_check_inputs): Build map of argument
2180         serial numbers to input arguments.
2181         (Sized_incremental_binary::do_file_has_changed): Rename
2182         do_file_is_unchanged to this; compare file modification times.
2183         (Sized_incremental_binary::do_init_layout): New function.
2184         (Sized_incremental_binary::do_reserve_layout): New function.
2185         (Sized_incremental_binary::do_get_input_reader): Remove.
2186         (Sized_incremental_binary::get_symtab_view): New function.
2187         (Incremental_checker::can_incrementally_link_output_file): Remove.
2188         (Incremental_inputs::report_command_line): Exclude --debug options.
2189         (Incremental_inputs::report_archive_begin): Add parameter; track
2190         argument serial numbers; don't put input file entry for archive
2191         before archive members.
2192         (Incremental_inputs::report_archive_end): Put input file entry
2193         for archive after archive members.
2194         (Incremental_inputs::report_object): Add parameter; track argument
2195         serial numbers and in_system_directory flag.
2196         (Incremental_inputs::report_script): Add parameter; track argument
2197         serial numbers.
2198         (Output_section_incremental_inputs::set_final_data_size): Adjust
2199         size of symbol info entry; check for forwarding symbols.
2200         (Output_section_incremental_inputs::write_input_files): Write
2201         in_system_directory flag and argument serial number.
2202         (Output_section_incremental_inputs::write_info_blocks): Map section
2203         indices between incremental info and original input file; store
2204         input section index for each symbol.
2205         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2206         change operator() to visit().
2207         (class Global_got_offset_visitor): Likewise.
2208         (class Global_symbol_visitor_got_plt):
2209         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2210         classes.
2211         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2212         (Sized_incr_relobj::do_read_symbols): New function.
2213         (Sized_incr_relobj::do_layout): New function.
2214         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2215         (Sized_incr_relobj::do_add_symbols): New function.
2216         (Sized_incr_relobj::do_should_include_member): New function.
2217         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2218         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2219         (Sized_incr_relobj::do_section_size): New function.
2220         (Sized_incr_relobj::do_section_name): New function.
2221         (Sized_incr_relobj::do_section_contents): New function.
2222         (Sized_incr_relobj::do_section_flags): New function.
2223         (Sized_incr_relobj::do_section_entsize): New function.
2224         (Sized_incr_relobj::do_section_address): New function.
2225         (Sized_incr_relobj::do_section_type): New function.
2226         (Sized_incr_relobj::do_section_link): New function.
2227         (Sized_incr_relobj::do_section_info): New function.
2228         (Sized_incr_relobj::do_section_addralign): New function.
2229         (Sized_incr_relobj::do_initialize_xindex): New function.
2230         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2231         (Sized_incr_relobj::do_read_relocs): New function.
2232         (Sized_incr_relobj::do_gc_process_relocs): New function.
2233         (Sized_incr_relobj::do_scan_relocs): New function.
2234         (Sized_incr_relobj::do_count_local_symbols): New function.
2235         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2236         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2237         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2238         (Sized_incr_relobj::do_relocate): New function.
2239         (Sized_incr_relobj::do_set_section_offset): New function.
2240         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2241         (Sized_incr_dynobj::do_read_symbols): New function.
2242         (Sized_incr_dynobj::do_layout): New function.
2243         (Sized_incr_dynobj::do_add_symbols): New function.
2244         (Sized_incr_dynobj::do_should_include_member): New function.
2245         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2246         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2247         (Sized_incr_dynobj::do_section_size): New function.
2248         (Sized_incr_dynobj::do_section_name): New function.
2249         (Sized_incr_dynobj::do_section_contents): New function.
2250         (Sized_incr_dynobj::do_section_flags): New function.
2251         (Sized_incr_dynobj::do_section_entsize): New function.
2252         (Sized_incr_dynobj::do_section_address): New function.
2253         (Sized_incr_dynobj::do_section_type): New function.
2254         (Sized_incr_dynobj::do_section_link): New function.
2255         (Sized_incr_dynobj::do_section_info): New function.
2256         (Sized_incr_dynobj::do_section_addralign): New function.
2257         (Sized_incr_dynobj::do_initialize_xindex): New function.
2258         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2259         (make_sized_incremental_object): New function.
2260         (Incremental_library::copy_unused_symbols): New function.
2261         (Incremental_library::do_for_all_unused_symbols): New function.
2262         * incremental.h (enum Incremental_input_flags): New type.
2263         (class Incremental_checker): Remove.
2264         (Incremental_input_entry::Incremental_input_entry): Add argument
2265         serial number.
2266         (Incremental_input_entry::arg_serial): New function.
2267         (Incremental_input_entry::set_is_in_system_directory): New function.
2268         (Incremental_input_entry::is_in_system_directory): New function.
2269         (Incremental_input_entry::arg_serial_): New data member.
2270         (Incremental_input_entry::is_in_system_directory_): New data member.
2271         (class Script_info): Move here from script.h.
2272         (Script_info::Script_info): Add filename parameter.
2273         (Script_info::filename): New function.
2274         (Script_info::filename_): New data member.
2275         (Incremental_script_entry::Incremental_script_entry): Add argument
2276         serial number.
2277         (Incremental_object_entry::Incremental_object_entry): Likewise.
2278         (Incremental_object_entry::add_input_section): Build list of input
2279         sections with map to original shndx.
2280         (Incremental_object_entry::get_input_section_index): New function.
2281         (Incremental_object_entry::shndx_): New data member.
2282         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2283         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2284         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2285         serial number.
2286         (Incremental_inputs::report_archive_begin): Likewise.
2287         (Incremental_inputs::report_object): Likewise.
2288         (Incremental_inputs::report_script): Likewise.
2289         (class Incremental_global_symbol_reader): New class.
2290         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2291         and store flags and input file type.
2292         (Incremental_input_entry_reader::arg_serial): New function.
2293         (Incremental_input_entry_reader::type): Extract type from flags.
2294         (Incremental_input_entry_reader::is_in_system_directory): New function.
2295         (Incremental_input_entry_reader::get_input_section_count): Call
2296         accessor function for type.
2297         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2298         function for type; adjust size of global symbol entry.
2299         (Incremental_input_entry_reader::get_global_symbol_count): Call
2300         accessor function for type.
2301         (Incremental_input_entry_reader::get_object_count): Likewise.
2302         (Incremental_input_entry_reader::get_object_offset): Likewise.
2303         (Incremental_input_entry_reader::get_member_count): Likewise.
2304         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2305         (Incremental_input_entry_reader::get_member_offset): Likewise.
2306         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2307         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2308         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2309         (Incremental_input_entry_reader::get_global_symbol_reader): New
2310         function.
2311         (Incremental_input_entry_reader::get_output_symbol_index): New
2312         function.
2313         (Incremental_input_entry_reader::type_): Remove.
2314         (Incremental_input_entry_reader::flags_): New data member.
2315         (Incremental_inputs_reader::input_file_offset): New function.
2316         (Incremental_inputs_reader::input_file_index): New function.
2317         (Incremental_inputs_reader::input_file): Call input_file_offset.
2318         (Incremental_inputs_reader::input_file_at_offset): New function.
2319         (Incremental_relocs_reader::get_r_type): Reformat.
2320         (Incremental_relocs_reader::get_r_shndx): Reformat.
2321         (Incremental_relocs_reader::get_r_offset): Reformat.
2322         (Incremental_relocs_reader::data): New function.
2323         (Incremental_binary::Incremental_binary): Initialize new data members.
2324         (Incremental_binary::check_inputs): Add cmdline parameter.
2325         (Incremental_binary::file_is_unchanged): Remove.
2326         (Input_reader::arg_serial): New function.
2327         (Input_reader::get_unused_symbol_count): New function.
2328         (Input_reader::get_unused_symbol): New function.
2329         (Input_reader::do_arg_serial): New function.
2330         (Input_reader::do_get_unused_symbol_count): New function.
2331         (Input_reader::do_get_unused_symbol): New function.
2332         (Incremental_binary::input_file_count): New function.
2333         (Incremental_binary::get_input_reader): Change signature to use
2334         index instead of filename.
2335         (Incremental_binary::file_has_changed): New function.
2336         (Incremental_binary::get_input_argument): New function.
2337         (Incremental_binary::get_library): New function.
2338         (Incremental_binary::get_script_info): New function.
2339         (Incremental_binary::init_layout): New function.
2340         (Incremental_binary::reserve_layout): New function.
2341         (Incremental_binary::output_file): New function.
2342         (Incremental_binary::do_check_inputs): New function.
2343         (Incremental_binary::do_file_is_unchanged): Remove.
2344         (Incremental_binary::do_file_has_changed): New function.
2345         (Incremental_binary::do_init_layout): New function.
2346         (Incremental_binary::do_reserve_layout): New function.
2347         (Incremental_binary::do_input_file_count): New function.
2348         (Incremental_binary::do_get_input_reader): Change signature.
2349         (Incremental_binary::input_args_map_): New data member.
2350         (Incremental_binary::library_map_): New data member.
2351         (Incremental_binary::script_map_): New data member.
2352         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2353         new data members.
2354         (Sized_incremental_binary::output_section): New function.
2355         (Sized_incremental_binary::inputs_reader): Add const.
2356         (Sized_incremental_binary::symtab_reader): Add const.
2357         (Sized_incremental_binary::relocs_reader): Add const.
2358         (Sized_incremental_binary::got_plt_reader): Add const.
2359         (Sized_incremental_binary::get_symtab_view): New function.
2360         (Sized_incremental_binary::Inputs_reader): New typedef.
2361         (Sized_incremental_binary::Input_entry_reader): New typedef.
2362         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2363         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2364         (Sized_incremental_binary::do_file_has_changed): New function.
2365         (Sized_incremental_binary::do_init_layout): New function.
2366         (Sized_incremental_binary::do_reserve_layout): New function.
2367         (Sized_input_reader::Inputs_reader): Remove.
2368         (Sized_input_reader::Input_entry_reader): Remove.
2369         (Sized_input_reader::do_arg_serial): New function.
2370         (Sized_input_reader::do_get_unused_symbol_count): New function.
2371         (Sized_input_reader::do_get_unused_symbol): New function.
2372         (Sized_incremental_binary::do_input_file_count): New function.
2373         (Sized_incremental_binary::do_get_input_reader): Change signature;
2374         use index instead of filename.
2375         (Sized_incremental_binary::section_map_): New data member.
2376         (Sized_incremental_binary::input_entry_readers_): New data member.
2377         (class Sized_incr_relobj): New class.
2378         (class Sized_incr_dynobj): New class.
2379         (make_sized_incremental_object): New function.
2380         (class Incremental_library): New class.
2381         * layout.cc (Free_list::num_lists): New static data member.
2382         (Free_list::num_nodes): New static data member.
2383         (Free_list::num_removes): New static data member.
2384         (Free_list::num_remove_visits): New static data member.
2385         (Free_list::num_allocates): New static data member.
2386         (Free_list::num_allocate_visits): New static data member.
2387         (Free_list::init): New function.
2388         (Free_list::remove): New function.
2389         (Free_list::allocate): New function.
2390         (Free_list::dump): New function.
2391         (Free_list::print_stats): New function.
2392         (Layout_task_runner::run): Resize output file for incremental updates.
2393         (Layout::Layout): Initialize new data members.
2394         (Layout::set_incremental_base): New function.
2395         (Layout::init_fixed_output_section): New function.
2396         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2397         incremental updates.
2398         (Layout::create_gold_note): Do not create gold note section for
2399         incremental updates.
2400         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2401         for incremental updates.
2402         (Layout::set_section_offsets): For incremental updates, allocate space
2403         from free list.
2404         (Layout::create_symtab_sections): Layout with offsets relative to
2405         start of section; for incremental updates, allocate space from free
2406         list.
2407         (Layout::create_shdrs): For incremental updates, allocate space from
2408         free list.
2409         (Layout::finish_dynamic_section): For incremental updates, do not
2410         check --as-needed (fixed in subsequent patch).
2411         * layout.h (class Free_list): New class.
2412         (Layout::set_incremental_base): New function.
2413         (Layout::incremental_base): New function.
2414         (Layout::init_fixed_output_section): New function.
2415         (Layout::allocate): New function.
2416         (Layout::incremental_base_): New data member.
2417         (Layout::free_list_): New data member.
2418         * main.cc (main): Print Free_list statistics.
2419         * object.cc (Relobj::finalize_incremental_relocs): Add
2420         clear_counts parameter; clear counts only when clear_counts is set.
2421         (Sized_relobj::Sized_relobj): Initialize new base class.
2422         (Sized_relobj::do_layout): Don't report special sections.
2423         (Sized_relobj::do_for_all_local_got_entries): New function.
2424         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2425         symtab_off to all symbol table offsets.
2426         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2427         * object.h (class Got_offset_list): Move to top of file.
2428         (Object::Object): Allow case where input_file == NULL.
2429         (Object::~Object): Likewise.
2430         (Object::input_file): Assert that input_file != NULL.
2431         (Object::lock): Allow case where input_file == NULL.
2432         (Object::unlock): Likewise.
2433         (Object::is_locked): Likewise.
2434         (Object::token): Likewise.
2435         (Object::release): Likewise.
2436         (Object::is_incremental): New function.
2437         (Object::get_mtime): New function.
2438         (Object::for_all_local_got_entries): New function.
2439         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2440         (Object::set_is_in_system_directory): New function.
2441         (Object::is_in_system_directory): New function.
2442         (Object::do_is_incremental): New function.
2443         (Object::do_get_mtime): New function.
2444         (Object::do_for_all_local_got_entries): New function.
2445         (Object::is_in_system_directory_): New data member.
2446         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2447         (class Sized_relobj_base): New class.
2448         (class Sized_relobj): Derive from Sized_relobj_base.
2449         (class Sized_relobj::Symbols): Redeclare from base class.
2450         (class Sized_relobj::local_got_offset_list): Remove.
2451         (class Sized_relobj::Output_sections): Redeclare from base class.
2452         (class Sized_relobj::do_for_all_local_got_entries): New function.
2453         (class Sized_relobj::write_local_symbols): Add offset parameter.
2454         (class Sized_relobj::local_symbol_offset_): Update comment.
2455         (class Sized_relobj::local_dynsym_offset_): Update comment.
2456         * options.cc (Input_arguments::add_file): Remove const.
2457         * options.h (Input_file_argument::Input_file_argument):
2458         Initialize arg_serial_ (all constructors).
2459         (Input_file_argument::set_arg_serial): New function.
2460         (Input_file_argument::arg_serial): New function.
2461         (Input_file_argument::arg_serial_): New data member.
2462         (Input_arguments::Input_arguments): Initialize file_count_.
2463         (Input_arguments::add_file): Remove const.
2464         (Input_arguments::number_of_input_files): New function.
2465         (Input_arguments::file_count_): New data member.
2466         (Command_line::number_of_input_files): Call
2467         Input_arguments::number_of_input_files.
2468         * output.cc (Output_segment_headers::Output_segment_headers):
2469         Set current size.
2470         (Output_section::Input_section::current_data_size): New function.
2471         (Output_section::Output_section): Initialize new data members.
2472         (Output_section::add_input_section): Don't do merge sections for
2473         an incremental link; allocate space from free list for an
2474         incremental update.
2475         (Output_section::add_output_section_data): Allocate space from
2476         free list for an incremental update.
2477         (Output_section::update_data_size): New function.
2478         (Output_section::set_fixed_layout): New function.
2479         (Output_section::reserve): New function.
2480         (Output_segment::set_section_addresses): Remove const.
2481         (Output_segment::set_section_list_addresses): Remove const; allocate
2482         space from free list for an incremental update.
2483         (Output_segment::set_offset): Adjust size of RELRO segment for an
2484         incremental update.
2485         * output.h (Output_data::current_data_size): Move here from
2486         child classes.
2487         (Output_data::pre_finalize_data_size): New function.
2488         (Output_data::update_data_size): New function.
2489         (Output_section_headers::update_data_size): new function.
2490         (Output_section_data_build::current_data_size): Move to Output_data.
2491         (Output_data_strtab::update_data_size): New function.
2492         (Output_section::current_data_size): Move to Output_data.
2493         (Output_section::set_fixed_layout): New function.
2494         (Output_section::has_fixed_layout): New function.
2495         (Output_section::reserve): New function.
2496         (Output_section::update_data_size): New function.
2497         (Output_section::has_fixed_layout_): New data member.
2498         (Output_section::free_list_): New data member.
2499         (Output_segment::set_section_addresses): Remove const.
2500         (Output_segment::set_section_list_addresses): Remove const.
2501         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2502         New function.
2503         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2504         New function.
2505         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2506         parameter when calling Add_symbols constructor; store argument
2507         serial number for members of a lib group.
2508         (Add_symbols::locks): Allow case where token == NULL.
2509         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2510         (Read_member::~Read_member): New function.
2511         (Read_member::is_runnable): New function.
2512         (Read_member::locks): New function.
2513         (Read_member::run): New function.
2514         (Check_script::~Check_script): New function.
2515         (Check_script::is_runnable): New function.
2516         (Check_script::locks): New function.
2517         (Check_script::run): New function.
2518         (Check_library::~Check_library): New function.
2519         (Check_library::is_runnable): New function.
2520         (Check_library::locks): New function.
2521         (Check_library::run): New function.
2522         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2523         (Add_symbols::library_): New data member.
2524         (class Read_member): New class.
2525         (class Check_script): New class.
2526         (class Check_library): New class.
2527         * reloc.cc (Read_relocs::is_runnable): Allow case where
2528         token == NULL.
2529         (Read_relocs::locks): Likewise.
2530         (Scan_relocs::locks): Likewise.
2531         (Relocate_task::locks): Likewise.
2532         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2533         to clear counters.
2534         (Sized_relobj::incremental_relocs_scan): Fix comment.
2535         (Sized_relobj::do_relocate): Pass output file offset to
2536         write_local_symbols.
2537         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2538         from class declaration.
2539         * script.cc (read_input_script): Allocate Script_info; pass
2540         argument serial number to report_script.
2541         * script.h (class Script_info): Move to incremental.h.
2542         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2543         * symtab.h (Symbol_table::add_from_incrobj): New function.
2544         (Symbol_table::set_file_offset): New function.
2545
2546 2011-04-05  Cary Coutant  <ccoutant@google.com>
2547
2548         * incremental-dump.cc (dump_incremental_inputs): Change signature
2549         to take a Sized_incremental_binary; change caller.  Use readers
2550         in Sized_incremental_binary.
2551         * incremental.cc
2552         (Sized_incremental_binary::find_incremental_inputs_sections):
2553         Rename do_find_incremental_inputs_sections to this.
2554         (Sized_incremental_binary::setup_readers): New function.
2555         (Sized_incremental_binary::do_check_inputs): Check
2556         has_incremental_info_ flag; move setup code to setup_readers;
2557         use input readers.
2558         (Sized_incremental_binary::do_file_is_unchanged): New function.
2559         (Sized_incremental_binary::do_get_input_reader): New function.
2560         * incremental.h (class Incremental_binary): Move to end of file.
2561         (Incremental_binary::file_is_unchanged): New function.
2562         (Incremental_binary::do_file_is_unchanged): New function.
2563         (Incremental_binary::Input_reader): New class.
2564         (Incremental_binary::get_input_reader): New function.
2565         (class Sized_incremental_binary): Move to end of file.
2566         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2567         input section reader classes.
2568         (Sized_incremental_binary::has_incremental_info): New function.
2569         (Sized_incremental_binary::inputs_reader): New function.
2570         (Sized_incremental_binary::symtab_reader): New function.
2571         (Sized_incremental_binary::relocs_reader): New function.
2572         (Sized_incremental_binary::got_plt_reader): New function.
2573         (Sized_incremental_binary::do_file_is_unchanged): New function.
2574         (Sized_incremental_binary::Sized_input_reader): New class.
2575         (Sized_incremental_binary::get_input_reader): New function.
2576         (Sized_incremental_binary::find_incremental_inputs_sections):
2577         Rename do_find_incremental_inputs_sections to this.
2578         (Sized_incremental_binary::setup_readers): New function.
2579         (Sized_incremental_binary::has_incremental_info_): New data member.
2580         (Sized_incremental_binary::inputs_reader_): New data member.
2581         (Sized_incremental_binary::symtab_reader_): New data member.
2582         (Sized_incremental_binary::relocs_reader_): New data member.
2583         (Sized_incremental_binary::got_plt_reader_): New data member.
2584         (Sized_incremental_binary::current_input_file_): New data member.
2585
2586 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2587
2588         PR gold/12640
2589         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2590         violation.
2591
2592 2011-03-30  Cary Coutant  <ccoutant@google.com>
2593
2594         * archive.cc (Archive::include_member): Adjust call to report_object.
2595         (Add_archive_symbols::run): Add script_info to call to
2596         report_archive_begin.
2597         (Lib_group::include_member): Adjust call to report_object.
2598         (Add_lib_group_symbols::run): Adjust call to report_object.
2599         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2600         blocks.  Add object count for script input files.
2601         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2602         script_info parameter; change all callers.
2603         (Incremental_inputs::report_object): Add script_info parameter;
2604         change all callers.
2605         (Incremental_inputs::report_script): Store backpointer to
2606         incremental info entry.
2607         (Output_section_incremental_inputs::set_final_data_size): Record
2608         additional information for scripts.
2609         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2610         * incremental.h (Incremental_script_entry::add_object): New function.
2611         (Incremental_script_entry::get_object_count): New function.
2612         (Incremental_script_entry::get_object): New function.
2613         (Incremental_script_entry::objects_): New data member; adjust
2614         constructor.
2615         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2616         (Incremental_inputs::report_object): Add script_info parameter.
2617         (Incremental_inputs_reader::get_object_count): New function.
2618         (Incremental_inputs_reader::get_object_offset): New function.
2619         * options.cc (Input_arguments::add_file): Return reference to
2620         new input argument.
2621         * options.h (Input_argument::set_script_info): New function.
2622         (Input_argument::script_info): New function.
2623         (Input_argument::script_info_): New data member; adjust all
2624         constructors.
2625         (Input_file_group::add_file): Return reference to new input argument.
2626         (Input_file_lib::add_file): Likewise.
2627         (Input_arguments::add_file): Likewise.
2628         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2629         * script.cc (Parser_closure::Parser_closure): Add script_info
2630         parameter; adjust all callers.
2631         (Parser_closure::script_info): New function.
2632         (Parser_closure::script_info_): New data member.
2633         (read_input_script): Report scripts earlier to incremental info.
2634         (script_add_file): Set script_info in Input_argument.
2635         (script_add_library): Likewise.
2636         * script.h (Script_options::Script_info): Rewrite class.
2637
2638 2011-03-29  Cary Coutant  <ccoutant@google.com>
2639
2640         * archive.cc (Library_base::should_include_member): Move
2641         method here from class Archive.
2642         (Archive::Archive): Initialize base class.
2643         (Archive::should_include_member): Move to base class.
2644         (Archive::do_for_all_unused_symbols): New function.
2645         (Add_archive_symbols::run): Remove redundant access to
2646         incremental_inputs.
2647         (Lib_group::Lib_group): Initialize base class.
2648         (Lib_group::do_filename): New function.
2649         (Lib_group::include_member): Pass pointer to Lib_group to
2650         report_object.
2651         (Lib_group::do_for_all_unused_symbols): New function.
2652         (Add_lib_group_symbols::run): Report archive information for
2653         incremental links.
2654         * archive.h (class Library_base): New base class.
2655         (class Archive): Derive from Library_base.
2656         (Archive::filename): Move to base class.
2657         (Archive::set_incremental_info): Likewise.
2658         (Archive::incremental_info): Likewise.
2659         (Archive::Should_include): Likewise.
2660         (Archive::should_include_member): Likewise.
2661         (Archive::Armap_entry): Remove.
2662         (Archive::Unused_symbol_iterator): Remove.
2663         (Archive::unused_symbols_begin): Remove.
2664         (Archive::unused_symbols_end): Remove.
2665         (Archive::do_filename): New function.
2666         (Archive::do_get_mtime): New function.
2667         (Archive::do_for_all_unused_symbols): New function.
2668         (Archive::task_): Move to base class.
2669         (Archive::incremental_info_): Likewise.
2670         (class Lib_group): Derive from Library_base.
2671         (Lib_group::do_filename): New function.
2672         (Lib_group::do_get_mtime): New function.
2673         (Lib_group::do_for_all_unused_symbols): New function.
2674         (Lib_group::task_): Move to base class.
2675         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2676         function.
2677         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2678         function.
2679         * incremental.cc (Incremental_inputs::report_archive_begin):
2680         Use Library_base; call library's get_mtime; add incremental inputs
2681         entry before members.
2682         (class Unused_symbol_visitor): New class.
2683         (Incremental_inputs::report_archive_end): Use Library_base; use
2684         visitor class to record unused symbols; don't add incremental inputs
2685         entry after members.
2686         (Incremental_inputs::report_object): Use Library_base.
2687         * incremental.h
2688         (Incremental_archive_entry::Incremental_archive_entry): Remove
2689         unused Archive parameter.
2690         (Incremental_inputs::report_archive_begin): Use Library_base.
2691         (Incremental_inputs::report_archive_end): Likewise.
2692         (Incremental_inputs::report_object): Likewise.
2693         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2694         function.
2695         * object.h (Object::for_all_global_symbols): New function.
2696         (Object::do_for_all_global_symbols): New function.
2697         (Sized_relobj::do_for_all_global_symbols): New function.
2698         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2699         function.
2700         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2701         function.
2702
2703 2011-03-27  Ian Lance Taylor  <iant@google.com>
2704
2705         * archive.cc (Archive::interpret_header): Return -1 if something
2706         goes wrong.  Change callers accordingly.
2707
2708 2011-03-25  Cary Coutant  <ccoutant@google.com>
2709
2710         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2711         * testsuite/Makefile.in: Regenerate.
2712
2713 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2714
2715         * plugin.cc (get_view): New.
2716         (Plugin::load): Pass get_view to the plugin.
2717         (Plugin_manager::get_view): New.
2718
2719 2011-03-21  Ian Lance Taylor  <iant@google.com>
2720
2721         * testsuite/final_layout.sh: Rewrite to not use dc.
2722         * testsuite/relro_test.sh: Fail if dc is not present.
2723
2724 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2725
2726         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2727         Change == to -eq.
2728         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2729         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2730         Change == to -eq.
2731         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2732         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2733
2734 2011-03-14  Ian Lance Taylor  <iant@google.com>
2735
2736         * script-sections.cc (Sort_output_sections::script_compare):
2737         Rename from is_before, change return type.
2738         (Sort_output_sections::operator()): Adjust accordingly.
2739
2740 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2741
2742         PR gold/12572
2743         * testsuite/odr_violation2.cc: Add comment to make all error line
2744         numbers double digits.
2745         * testsuite/debug_msg.sh: Adjust expected errors.
2746
2747 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2748
2749         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2750         but mark earlier ones as non-canonical
2751         (offset_to_iterator): Update search target and example
2752         (do_addr2line): Return extra lines in a vector*
2753         (format_file_lineno): Extract from do_addr2line
2754         (one_addr2line): Add vector* out-param
2755         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2756         when a lineno entry appeared last for its instruction
2757         (Dwarf_line_info): Add vector* out-param
2758         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2759         * symtab.cc (Odr_violation_compare): Include the lineno in the
2760         comparison again.
2761         (linenos_from_loc): New. Combine the canonical line for an
2762         address with its other lines.
2763         (True_if_intersect): New. Helper functor to make
2764         std::set_intersection a query.
2765         (detect_odr_violations): Compare sets of lines instead of just
2766         one line for each function. This became less deterministic, but
2767         has fewer false positives.
2768         * symtab.h: Declarations.
2769         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2770         mix an optimized and non-optimized object in the same binary
2771         (odr_violation2.so): Same.
2772         * testsuite/Makefile.in: Regenerate from Makefile.am.
2773         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2774         * testsuite/debug_msg.sh: Update line numbers and add
2775         assertions.
2776         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2777         non-optimized context.
2778         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2779         isn't inlined, and use OdrDerived in an optimized context.
2780         * testsuite/odr_header1.h: Defines OdrDerived, where
2781         optimization will change the
2782         first-instruction-in-the-destructor's file and line number.
2783         * testsuite/odr_header2.h: Defines OdrBase.
2784
2785 2011-03-09  Ian Lance Taylor  <iant@google.com>
2786
2787         * fileread.cc (File_read::clear_views): Don't delete the whole
2788         file view.
2789
2790 2011-03-08  Ian Lance Taylor  <iant@google.com>
2791
2792         PR gold/12525
2793         * fileread.cc: #include <climits>.
2794         (GOLD_IOV_MAX): Define.
2795         (File_read::read_multiple): Limit number of entries by iov_max.
2796         * fileread.h (class File_read): Always set max_readv_entries to
2797         128.
2798
2799 2011-03-07  Ian Lance Taylor  <iant@google.com>
2800
2801         PR gold/12525
2802         * options.h (class General_options): Add -dy and -dn.
2803
2804 2011-03-02  Cary Coutant  <ccoutant@google.com>
2805
2806         * testsuite/script_test_9.t: Add TLS segment.
2807
2808 2011-03-02  Simon Baldwin  <simonb@google.com>
2809
2810         * configure.ac: Add check for gnu_indirect_function support in
2811         the toolchain building binutils.
2812         * configure: Rebuild.
2813
2814 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2815
2816         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2817         plugin only symbols.
2818         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2819         in plugin files as not needed in the symbol table.
2820
2821 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2822
2823         * output.cc (Output_section::add_input_section): Delay fill
2824         generation for section ordering.
2825
2826 2011-02-09  Ian Lance Taylor  <iant@google.com>
2827
2828         PR gold/12316
2829         * object.h (class Sized_relobj): Remove clear_local_symbols.
2830         * reloc.cc (Sized_relobj::do_relocate): Don't call
2831         clear_local_symbols.
2832
2833 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2834
2835         * plugin.cc (is_visible_from_outside): Return true for symbols
2836         in the -u option.
2837
2838 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2839
2840         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2841         filename.
2842
2843 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2844
2845         * icf.h (is_section_foldable_candidate): Change type of parameter
2846         to std::string.
2847         * icf.cc (Icf::find_identical_sections): Change type of local variable
2848         section_name to be std::string.
2849         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2850
2851 2011-01-25  Ian Lance Taylor  <iant@google.com>
2852
2853         * script.cc (script_add_extern): Rewrite to use
2854         add_symbol_reference.
2855
2856 2011-01-25  Doug Kwan  <dougkwan@google.com>
2857
2858         * icf.cc (get_section_contents): Always lock section's object.
2859
2860 2011-01-24  Ian Lance Taylor  <iant@google.com>
2861
2862         * options.h (class General_options): Accept
2863         --no-detect-odr-violations.
2864
2865 2011-01-24  Ian Lance Taylor  <iant@google.com>
2866
2867         * version.cc (version_string): Bump to 1.11.
2868
2869 2011-01-24  Ian Lance Taylor  <iant@google.com>
2870
2871         * plugin.cc (class Plugin_rescan): Define new class.
2872         (Plugin_manager::claim_file): Set any_claimed_.
2873         (Plugin_manager::save_archive): New function.
2874         (Plugin_manager::save_input_group): New function.
2875         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2876         necessary.
2877         (Plugin_manager::new_undefined_symbol): New function.
2878         (Plugin_manager::rescan): New function.
2879         (Plugin_manager::rescannable_defines): New function.
2880         (Plugin_manager::add_input_file): Set any_added_.
2881         * plugin.h (class Plugin_manager): define new fields rescannable_,
2882         undefined_symbols_, any_claimed_, and any_added_.  Declare
2883         Plugin_rescan as friend.  Declare new functions.
2884         (Plugin_manager::Rescannable): Define type.
2885         (Plugin_manager::Rescannable_list): Define type.
2886         (Plugin_manager::Undefined_symbol_list): Define type.
2887         (Plugin_manager::Plugin_manager): Initialize new fields.
2888         * archive.cc (Archive::defines_symbol): New function.
2889         (Add_archive_symbols::run): Pass archive to plugins if any.
2890         * archive.h (class Archive): Declare defines_symbol.
2891         * readsyms.cc (Input_group::~Input_group): New function.
2892         (Finish_group::run): Pass input_group to plugins if any.
2893         * readsyms.h (class Input_group): Declare destructor.
2894         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2895         any.
2896
2897 2011-01-10  Ian Lance Taylor  <iant@google.com>
2898
2899         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2900         section as relro.
2901         (Layout::set_segment_offsets): Reset increase_relro before calling
2902         set_section_addresses a second time.
2903
2904 2011-01-04  Cary Coutant  <ccoutant@google.com>
2905
2906         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2907         sections before NOBITS sections.
2908
2909 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2910
2911         * version.cc (print_version): Update copyright to 2011.
2912
2913 2010-12-23  Cary Coutant  <ccoutant@google.com>
2914
2915         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2916         of OS to this->add.  Add OD parameter to second form of the function.
2917
2918 2010-12-20  Ian Lance Taylor  <iant@google.com>
2919
2920         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2921         second of two consecutive entries with same offset.
2922
2923 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2924
2925         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2926         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2927         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2928         to avoid unneeded links against $(LDADD).
2929         * testsuite/Makefile.in: Regenerate.
2930
2931 2010-12-15  Ian Lance Taylor  <iant@google.com>
2932
2933         PR gold/12324
2934         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2935         for R_X86_64_32 and R_X86_64_PC32.
2936         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2937         ver_matching_def_pic.o.
2938         (ver_matching_def_pic.o): New target.
2939
2940 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2941
2942         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2943         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2944         Move definition before File_read::View member definitions.
2945         (File_read::View::~View): Initialize and hold lock before
2946         updating current_mapped_bytes.
2947
2948 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2949
2950         * dwarf_reader.cc: Remove outdated comment.
2951         * gold-threads.cc: Fix typo in error message.
2952         * archive.cc: Fix typos in comments.
2953         * archive.h: Likewise.
2954         * arm-reloc-property.cc: Likewise.
2955         * arm-reloc-property.h: Likewise.
2956         * arm-reloc.def: Likewise.
2957         * arm.cc: Likewise.
2958         * attributes.h: Likewise.
2959         * cref.cc: Likewise.
2960         * ehframe.cc: Likewise.
2961         * fileread.h: Likewise.
2962         * gold.h: Likewise.
2963         * i386.cc: Likewise.
2964         * icf.cc: Likewise.
2965         * incremental.h: Likewise.
2966         * int_encoding.cc: Likewise.
2967         * layout.h: Likewise.
2968         * main.cc: Likewise.
2969         * merge.h: Likewise.
2970         * object.cc: Likewise.
2971         * object.h: Likewise.
2972         * options.cc: Likewise.
2973         * readsyms.cc: Likewise.
2974         * reduced_debug_output.cc: Likewise.
2975         * reloc.cc: Likewise.
2976         * script-sections.cc: Likewise.
2977         * sparc.cc: Likewise.
2978         * symtab.h: Likewise.
2979         * target-reloc.h: Likewise.
2980         * target.cc: Likewise.
2981         * target.h: Likewise.
2982         * timer.cc: Likewise.
2983         * timer.h: Likewise.
2984         * x86_64.cc: Likewise.
2985
2986 2010-12-09  Cary Coutant  <ccoutant@google.com>
2987
2988         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2989         stack.
2990         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2991         parameter; change all callers.
2992         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2993         * options.h (warn_execstack): New option.
2994
2995 2010-12-07  Doug Kwan  <dougkwan@google.com>
2996
2997         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2998         like function call relocations.
2999
3000 2010-12-07  Ian Lance Taylor  <iant@google.com>
3001
3002         * archive.cc (Archive::get_elf_object_for_member): Permit
3003         punconfigured to be NULL.
3004         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3005         (Archive::include_member): Pass NULL to get_elf_object_for_member
3006         if we searched for the archive and this is the first included
3007         object.
3008
3009 2010-12-01  Ian Lance Taylor  <iant@google.com>
3010
3011         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3012         track_relocs_type_ field.
3013         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3014         Set track_relocs_type_.
3015         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3016         contents when using RELA relocs.
3017         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3018         reloc_map_.
3019         * reloc.cc (Track_relocs::next_addend): New function.
3020         * reloc.h (class Track_relocs): Declare next_addend.
3021
3022 2010-12-01  Ian Lance Taylor  <iant@google.com>
3023
3024         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3025         virtual destructor.
3026
3027 2010-12-01  Ian Lance Taylor  <iant@google.com>
3028
3029         * README: Update compilers known to work and fail.
3030
3031 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3032
3033         * configure.in: For --enable-gold, handle value `default' instead of
3034         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3035         not the default.
3036         * configure: Regenerate.
3037
3038 2010-11-18  Doug Kwan  <dougkwan@google.com>
3039
3040         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3041         and right_alignment to be zero.  Store result alignment only if it is
3042         greater than existing alignment.
3043
3044 2010-11-16  Cary Coutant  <ccoutant@google.com>
3045
3046         PR gold/12220
3047         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3048         Check for ".zdebug_line".
3049
3050 2010-11-16  Doug Kwan  <dougkwan@google.com>
3051             Cary Coutant  <ccoutant@google.com>
3052
3053         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3054         by reference; adjust all callers.
3055         * output.cc (Output_segment::set_section_addresses): Adjust references
3056         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3057         list is empty.
3058         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3059         end at page boundary.
3060
3061 2010-11-16  Cary Coutant  <ccoutant@google.com>
3062
3063         PR gold/12220
3064         * layout.cc (Layout::choose_output_section): Transform names of
3065         compressed sections even when using a script with a SECTIONS clause.
3066         (Layout::output_section_name): Remove code to transform
3067         compressed debug section names.
3068         * output.cc (Output_section::add_input_section): Use uncompressed
3069         section size when tracking input sections.
3070
3071 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3072
3073         * symtab.h (Symbol::NON_PIC_REF): Remove.
3074         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3075         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3076         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3077         (Symbol::use_plt_offset): Take a flags argument and pass it
3078         directly to needs_dynamic_reloc.  Restrict check for undefined
3079         weak symbols to function calls.
3080         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3081         (Target_arm::Scan::global): Use it.
3082         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3083         (Target_arm::Relocate::relocate): Likewise.
3084         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3085         parameter with an r_type parameter.  Use get_reference_flags
3086         to get the flags.
3087         (Target_arm::Relocate::relocate): Update accordingly.
3088         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3089         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3090         (Target_i386::Scan::global): Likewise.
3091         (Target_i386::Relocate::relocate): Likewise.
3092         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3093         parameter with an r_type parameter.  Use get_reference_flags
3094         to get the flags.
3095         (Target_i386::Relocate::relocate): Update accordingly.
3096         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3097         (Target_powerpc::Scan::global): Use it.
3098         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3099         (Target_powerpc::Relocate::relocate): Likewise.
3100         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3101         (Target_sparc::Scan::global): Use it.
3102         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3103         (Target_sparc::Relocate::relocate): Likewise.
3104         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3105         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3106         (Target_x86_64::Scan::global): Likewise.
3107         (Target_x86_64::Relocate::relocate): Likewise.
3108
3109 2010-11-08  Doug Kwan  <dougkwan@google.com>
3110             Cary Coutant  <ccoutant@google.com>
3111
3112         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3113         (Arm_exidx_merge_section::section_contents_): New data member.
3114         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3115         (Arm_input_section::~Arm_input_section): De-allocate memory.
3116         (Arm_input_section::original_contents_): New data member.
3117         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3118         in parameters instead of calling Object::section_contents without
3119         locking.
3120         (Arm_output_section::group_section): New parameter TASK.  Pass it
3121         to callees that need locking objects.
3122         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3123         to lock EXIDX input sections.  Fix a formatting issue.  Call
3124         Arm_exidx_merged_section::build_contents to create merged section
3125         contents.
3126         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3127         to lock object of stub table owner.
3128         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3129         TEXT_SIZE to initialize data member TEXT_SIZE_.
3130         (Arm_exidx_input_section::addralign): Fix typo in comment.
3131         (Arm_exidx_input_section::text_size): New method.
3132         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3133         that require locking objects.  Lock objects before scanning for stubs
3134         and updating local symbols.
3135         (Arm_input_section<big_endian>::init): Copy contents of original
3136         input section.
3137         (Arm_input_section<big_endian>::do_write): Use saved contents of
3138         original input section instead of calling Object::section_contents
3139         without locking.
3140         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3141         size without calling Object::section_size().
3142         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3143         for size.  Allocate a buffer for merged EXIDX entries.
3144         (Arm_exidx_merged_section::build_contents): New method.
3145         (Arm_exidx_merged_section::do_write): Move merge section contents
3146         building code to Arm_exidx_merged_section::build_contetns.  Write
3147         out contetns in buffer instead of building it on the fly.
3148         (Arm_relobj::make_exidx_input_section): Also pass text section size
3149         to Arm_exidx_input_section constructor.
3150         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3151         (Arm_dynobj::do_read_symbols): Fix memory leak.
3152         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3153         * target.h: (class Task): Add forward declaration.
3154         (Target::relax): Add new parameter TASK and pass it to
3155         Target::do_relax().
3156         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3157
3158 2010-11-05  Cary Coutant  <ccoutant@google.com>
3159
3160         PR gold/10708
3161         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3162         object when reading from the file.
3163         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3164         second layout pass.
3165         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3166         when reading section contents.
3167         (get_section_contents): Likewise.
3168         (icf::find_identical_sections): Likewise.
3169         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3170         object when reading from the file.
3171         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3172         the object when doing deferred section layout.
3173
3174 2010-11-03  Nick Clifton  <nickc@redhat.com>
3175
3176         PR gold/12001
3177         * script.h (class Symbol_assignment: name): New member.  Returns
3178         the name of the symbol.
3179         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3180         Returns true if the given symbol name is on the list of
3181         assignments wating to be processed.
3182         * archive.cc (should_incldue_member): If the symbol is undefined,
3183         check to see if it is on the list of symbols pending assignment.
3184
3185 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3186
3187         * script-sections.cc (Script_sections::find_memory_region): Check
3188         for a NULL output section pointer.
3189
3190 2010-10-29  Doug Kwan  <dougkwan@google.com>
3191
3192         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3193         Output_section::add_relaxed_input_section.
3194         * output.cc (Output_section::add_relaxed_input_section): Add new
3195         arguments LAYOUT and NAME.  Set section order index.
3196         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3197         Copy section order index.
3198         * output.h (Output_section::add_relaxed_input_section): Add new
3199         arguments LAYOUT and NAME.
3200
3201 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3202
3203         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3204         NATIVE_OR_CROSS_LINKER.
3205         * testsuite/Makefile.in: Regenerate.
3206
3207 2010-10-20  Doug Kwan  <dougkwan@google.com>
3208
3209         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3210         without SHF_LINK_ORDER flags.
3211         * layout.cc (Layout::choose_output_section): Do not filter
3212         SHF_LINK_ORDER flag in a relocatable link.
3213
3214 2010-10-17  Cary Coutant  <ccoutant@google.com>
3215
3216         * output.h (Output_segment::set_section_addresses): Change function
3217         signature.  Update all callers.
3218         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3219         sections.
3220         (Output_segment::set_section_addresses): Align after last TLS
3221         section.  Add padding before last relro section instead of after.
3222
3223 2010-10-17  Doug Kwan  <dougkwan@google.com>
3224
3225         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3226         GOT output section to be writable.
3227
3228 2010-10-14  Cary Coutant  <ccoutant@google.com>
3229
3230         * debug.h (DEBUG_INCREMENTAL): New flag.
3231         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3232         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3233         mode.
3234         * incremental.cc (report_command_line): Ignore all forms of
3235         --incremental.
3236         * layout.cc (Layout::Layout): Check parameters for incremental link
3237         mode.
3238         * options.cc (General_options::parse_incremental): New function.
3239         (General_options::parse_no_incremental): New function.
3240         (General_options::parse_incremental_full): New function.
3241         (General_options::parse_incremental_update): New function.
3242         (General_options::incremental_mode_): New data member.
3243         (General_options::finalize): Check incremental_mode_.
3244         * options.h (General_options): Update help text for --incremental.
3245         Add --no-incremental, --incremental-full, --incremental-update.
3246         (General_options::Incremental_mode): New enum type.
3247         (General_options::incremental_mode): New function.
3248         (General_options::incremental_mode_): New data member.
3249         * parameters.cc (Parameters::incremental_mode_): New data member.
3250         (Parameters::set_options): Set incremental_mode_.
3251         (Parameters::set_incremental_full): New function.
3252         (Parameters::incremental): New function.
3253         (Parameters::incremental_update): New function.
3254         (set_parameters_incremental_full): New function.
3255         * parameters.h (Parameters::set_incremental_full): New function.
3256         (Parameters::incremental): New function.
3257         (Parameters::incremental_update): New function.
3258         (Parameters::incremental_mode_): New data member.
3259         (set_parameters_incremental_full): New function.
3260         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3261         incremental link mode.
3262         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3263         (Sized_relobj::do_relocate_sections): Likewise.
3264         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3265         option.
3266         * testsuite/Makefile.in: Regenerate.
3267         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3268
3269 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3270
3271         * script-sections.h (class Script_sections): Make
3272         Sections_elements typedef public.
3273         * script-sections.cc (class Sort_output_sections): Add elements_
3274         field.  Add constructor which sets it; change all callers.
3275         (Sort_output_sections::is_before): New function.
3276         (Sort_output_sections::operator()): Call is_before.
3277         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3278         conditional.
3279         * testsuite/script_test_10.sh: New test. Test script section
3280         order.
3281         * testsuite/script_test_10.t: Likewise.
3282         * testsuite/script_test_10.s: Likewise.
3283         * testsuite/Makefile.am: Wrap the cross linker tests and the
3284         common tests into NATIVE_OR_CROSS_LINKER.
3285         (check_SCRIPTS): Add script_test_10.sh.
3286         (check_DATA): Add script_test_10.stdout.
3287         (script_test_10.o, script_test_10): New targets.
3288         (script_test_10.stdout): New target.
3289         * configure, testsuite/Makefile.in: Regenerate.
3290
3291 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3292
3293         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3294         error for the deprecated relocations.
3295         (Target_arm::Scan::global): Likewise.
3296         (Target_arm::Relocate::relocate): Likewise.
3297
3298 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3299
3300         * fileread.cc (Input_file::find_file): Initialize *found_name
3301         and *namep when using the fallback search for case 4.
3302
3303 2010-10-11  Cary Coutant  <ccoutant@google.com>
3304
3305         * options.h (class General_options): Redefine -z lazy as an alias for
3306         the negation of -z now.
3307
3308 2010-10-11  Ian Lance Taylor  <iant@google.com>
3309
3310         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3311         binding.
3312
3313 2010-10-06  Nick Clifton  <nickc@redhat.com>
3314
3315         * script-sections.cc(class Memory_region): Remove
3316         current_lma_offset_ field.  Rename current_vma_offset_ to
3317         current_offset_.  Add last_section_ field.
3318         (Memory_region::get_current_vma_address): Rename to
3319         get_current_address.
3320         (Memory_region::get_current_lma_address): Delete.
3321         (Memory_region::increment_vma_offset): Rename to
3322         increment_offset.
3323         (Memory_region::increment_lma_offset): Delete.
3324         (Memory_region::attributes_compatible): New method.  Returns
3325         true if the provided section is compatible with the region.
3326         (Memory_region::get_last_section): New method.  Returns the last
3327         section to use the region.
3328         (Memory_region::set_last_section): New method.  Stores the last
3329         section to use the region.
3330         (Script_sections::block_in_region): New method.  Returns true if
3331         a block of memory is contained within a region.
3332         (Script_sections::find_memory_region): New method.  Locates a
3333         memory region to be used to set a VMA or LMA address.
3334         (Output_section_definition::set_section_addresses): Add code to
3335         check for addresses set by memory regions.
3336         (Output_segment::set_section_addresses): Remove memory region
3337         walking code.
3338         (Script_sections::create_segment): Add a warning if a header
3339         segment is created outside of any region.
3340         * script-sections.h (class Script_sections): Add prototypes for
3341         find_memory_region and block_in_region methods.
3342         * testsuite/memory_test.s: Use .long instead of .word.
3343         * testsuite/memory_test.t: Add some more output sections.
3344         * testsuite/memory_test.sh: Update expected output.
3345
3346 2010-10-02  Doug Kwan  <dougkwan@google.com>
3347
3348         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3349         defintion to symtab.h
3350         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3351         declaration to defintion.
3352
3353 2010-10-01  Nick Clifton  <nickc@redhat.com>
3354
3355         * expression.cc (eval): Replace dummy argument with NULL.
3356         (eval_maybe_dot): Check for a NULL result section pointer.
3357         (Symbol_expression::value): Likewise.
3358         (Dot_expression::value): Likewise.
3359         (BINARY_EXPRESSION): Likewise.
3360         (Max_expression::value): Likewise.
3361         (Min_expression::value): Likewise.
3362         (Absolute_expression::value): Likewise.
3363         (Addr_expression::value_from_output_section): Likewise.
3364         (Loaddddr_expression::value_from_output_section): Likewise.
3365         (Segment_start_expression::value): Likewise.
3366         * script-sections.cc
3367         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3368         argument with NULL.
3369         (Sections_elememt_dot_assignment::set_section_addresses):
3370         Likewise.
3371         (Output_data_expression::do_write_to_buffer): Likewise.
3372         (Output_section_definition::finalize_symbols): Likewise.
3373         (Output_section_definition::set_section_addresses): Likewise.
3374
3375 2010-09-30  Doug Kwan  <dougkwan@google.com>
3376
3377         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3378
3379 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3380
3381         * target.h (Target::can_icf_inline_merge_sections): New virtual
3382         function.
3383         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3384         virtual function.
3385         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3386         virtual function.
3387         * icf.cc (get_section_contents): Inline merge sections only when
3388         target allows it.
3389
3390 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3391
3392         * configure: Regenerate.
3393
3394 2010-09-17  Ian Lance Taylor  <iant@google.com>
3395
3396         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3397         * testsuite/Makefile.am (memory_test.o): New target.
3398         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3399         memory_test.t.
3400         * testsuite/Makefile.in: Rebuild.
3401
3402 2010-09-17  Doug Kwan  <dougkwan@google.com>
3403
3404         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3405         defintion if relocation uses GOT entries of the symbol.
3406         * testsuite/icf_safe_test.sh: Fix test.
3407         * testsuite/icf_safe_so_test.sh: Fix test.
3408
3409 2010-09-16  Cary Coutant  <ccoutant@google.com>
3410
3411         * script_sections.cc (class Memory_region): Remove "NULL" from
3412         vector initializations.
3413
3414 2010-09-15  Cary Coutant  <ccoutant@google.com>
3415
3416         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3417         Resolve forwarding symbols.
3418
3419 2010-09-15  Doug Kwan  <dougkwan@google.com>
3420
3421         * gold/testsuite/script_test_3.t: Add ARM special sections.
3422         * gold/testsuite/script_test_4.t: Same.
3423         * gold/testsuite/script_test_5.t: Same.
3424         * gold/testsuite/script_test_6.t: Same.
3425         * gold/testsuite/script_test_7.t: Same.
3426         * gold/testsuite/script_test_7.t: Same.
3427         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3428
3429 2010-09-14  Cary Coutant  <ccoutant@google.com>
3430
3431         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3432         (Target_x86_64::Relocate::relocate_tls): Replace check for
3433         saw_tls_block_reloc_ with test for executable section.
3434
3435 2010-09-12  Cary Coutant  <ccoutant@google.com>
3436
3437         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3438         position-independent executables to shared libraries need dynamic
3439         relocations.
3440         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3441         position-independent executables.
3442         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3443         * testsuite/Makefile.in: Regenerate.
3444
3445 2010-09-10  Nick Clifton  <nickc@redhat.com>
3446
3447         PR gold/11997
3448         * testsuite/memory_test.t: Discard any sections that are not
3449         needed.
3450
3451 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3452
3453         PR gold/11996
3454         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3455         "This::" to work around a bug in gcc 4.2.
3456
3457         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3458
3459 2010-09-09  Rafael Espindola  <espindola@google.com>
3460
3461         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3462         sections with different PF_X flags in the same segment.
3463         (Layout::find_first_load_seg): Search all segments to find the first
3464         one.
3465         * options.h (rosegment): New.
3466
3467 2010-09-08  Rafael Espindola  <espindola@google.com>
3468
3469         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3470
3471 2010-09-08  Doug Kwan  <dougkwan@google.com>
3472
3473         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3474         (Arm_relobj::do_relocate_sections): Add new parameter for output
3475         file to match the parent.
3476         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3477         of local symbols instead of input values.  Update code to track
3478         changes in gold::relocate_section.
3479         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3480         (Sized_relobj::compute_final_local_value_internal): New methods.
3481         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3482         body into private version of Sized_relobj::compute_final_local_value.
3483         Call the inline method.
3484         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3485         merged symbol value if there is one.
3486         (Symbol_value::has_output_value): New method defintiion.
3487         (Sized_relobj::Compute_final_local_value_status): New enum type.
3488         (Sized_relobj::compute_final_local_value): New methods.
3489         (Sized_relobj::compute_final_local_value_internal): New methods.
3490         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3491         and arm_cortex_a8.sh.
3492         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3493         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3494         New tests.
3495         * Makefile.in: Regenerate.
3496         * testsuite/arm_bl_out_of_range.s: Update test.
3497         * testsuite/thumb_bl_out_of_range.s: Ditto.
3498         * testsuite/thumb_blx_out_of_range.s: Ditto.
3499         * testsuite/arm_branch_out_of_range.sh: New file.
3500         * testsuite/arm_cortex_a8.sh: Ditto.
3501         * testsuite/arm_cortex_a8_b.s: Ditto.
3502         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3503         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3504         * testsuite/arm_cortex_a8_bl.s: Ditto.
3505         * testsuite/arm_cortex_a8_blx.s: Ditto.
3506         * testsuite/arm_cortex_a8_local.s: Ditto.
3507         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3508         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3509
3510 2010-09-08  Rafael Espindola  <espindola@google.com>
3511
3512         * Makefile.am (memory_test.stdout): Run readelf with -W.
3513         * Makefile.in: Regenerate.
3514         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3515         64 bit output.
3516
3517 2010-09-08  Rafael Espindola  <espindola@google.com>
3518
3519         * script-sections.cc (Script_sections::add_memory_region): Convert
3520         field precision to int.
3521         * script.cc (script_set_section_region, script_set_section_region):
3522         Convert field precision to int.
3523
3524 2010-09-08  Rafael Espindola  <espindola@google.com>
3525
3526         * arm.cc (do_finalize_sections): Create the __exidx_start and
3527         __exdix_end symbols even when the section is missing.
3528
3529 2010-09-08  Nick Clifton  <nickc@redhat.com>
3530
3531         * README: Remove claim that MEMORY is not supported.
3532         * expression.cc (script_exp_function_origin)
3533         (script_exp_function_length): Move from here to ...
3534         * script.cc: ... here.
3535         (script_set_section_region, script_add_memory)
3536         (script_parse_memory_attr, script_include_directive): New
3537         functions.
3538         * script-sections.cc
3539         (class Memory_region): New class.
3540         (class Output_section_definition): Add set_memory_region,
3541         set_section_vma, set_section_lma and get_section_name methods.
3542         (class Script_Sections): Add add_memory_region,
3543         find_memory_region, find_memory_region_origin,
3544         find_memory_region_length and set_memory_region methods.
3545         Have set_section_addresses method walk the list of set memory
3546         regions.
3547         Extend the print methos to display memory regions.
3548         * script-sections.h: Add prototypes for new methods.
3549         Add enum for MEMORY region attributes.
3550         * yyscript.y: Add support for parsing MEMORY regions.
3551         * script-c.h: Add prototypes for new functions.
3552         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3553         * testsuite/Makefile.in: Regenerate.
3554         * testsuite/memory_test.sh: New script.
3555         * testsuite/memory_test.s: New assembler source file.
3556         * testsuite/memory_test.t: New linker script.
3557
3558 2010-08-27  Doug Kwan  <dougkwan@google.com>
3559
3560         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3561         reference override an existing dynamic weak reference.
3562         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3563         * testsuite/Makefile.in: Regenerate.
3564         * testsuite/dyn_weak_ref.sh: New file.
3565         * testsuite/dyn_weak_ref_1.c: Ditto.
3566         * testsuite/dyn_weak_ref_2.c: Ditto.
3567
3568 2010-08-27  Ian Lance Taylor  <iant@google.com>
3569
3570         * incremental.h (class Incremental_input_entry): Add virtual
3571         destructor.
3572
3573 2010-08-27  Ian Lance Taylor  <iant@google.com>
3574
3575         * testsuite/start_lib_test_3.c: Mark t3 as used.
3576
3577 2010-08-27  Nick Clifton  <nickc@redhat.com>
3578
3579         * options.cc (version_script): Fix small typo in previous
3580         whitespace tidyup.
3581
3582 2010-08-25  Nick Clifton  <nickc@redhat.com>
3583
3584         * archive.cc: Formatting fixes: Remove whitespace between
3585         typename and following asterisk.  Remove whitespace between
3586         function name and opening parenthesis.
3587         * archive.h: Likewise.
3588         * arm.cc: Likewise.
3589         * attributes.cc: Likewise.
3590         * attributes.h: Likewise.
3591         * common.cc: Likewise.
3592         * copy-relocs.cc: Likewise.
3593         * dirsearch.h: Likewise.
3594         * dynobj.cc: Likewise.
3595         * ehframe.cc: Likewise.
3596         * ehframe.h: Likewise.
3597         * expression.cc: Likewise.
3598         * fileread.cc: Likewise.
3599         * fileread.h: Likewise.
3600         * gc.h: Likewise.
3601         * gold-threads.cc: Likewise.
3602         * gold.cc: Likewise.
3603         * i386.cc: Likewise.
3604         * icf.h: Likewise.
3605         * incremental-dump.cc: Likewise.
3606         * incremental.cc: Likewise.
3607         * layout.cc: Likewise.
3608         * layout.h: Likewise.
3609         * main.cc: Likewise.
3610         * merge.cc: Likewise.
3611         * merge.h: Likewise.
3612         * object.cc: Likewise.
3613         * object.h: Likewise.
3614         * options.cc: Likewise.
3615         * options.h: Likewise.
3616         * output.cc: Likewise.
3617         * output.h: Likewise.
3618         * plugin.cc: Likewise.
3619         * plugin.h: Likewise.
3620         * powerpc.cc: Likewise.
3621         * reloc.cc: Likewise.
3622         * script-c.h: Likewise.
3623         * script-sections.cc: Likewise.
3624         * script.cc: Likewise.
3625         * stringpool.cc: Likewise.
3626         * symtab.cc: Likewise.
3627         * symtab.h: Likewise.
3628         * target.cc: Likewise.
3629         * timer.cc: Likewise.
3630         * timer.h: Likewise.
3631         * version.cc: Likewise.
3632         * x86_64.cc: Likewise.
3633
3634 2010-08-24  Nick Clifton  <nickc@redhat.com>
3635
3636         PR 11899
3637         * layout.cc (segment_precedes): Sort segments by their physical
3638         addresses, if they have been set.
3639
3640 2010-08-23  Cary Coutant  <ccoutant@google.com>
3641
3642         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3643         symbols data.
3644         (Lib_group::include_member): Unlock object after deleting its
3645         symbols data.
3646         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3647         the bug fixed here.
3648
3649 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3650             Cary Coutant  <ccoutant@google.com>
3651
3652         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3653         constructor, and set_blocker.
3654         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3655         readsyms_blocker_.
3656         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3657         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3658         * testsuite/Makefile.am (start_lib_test): New test case.
3659         * testsuite/Makefile.in: Regenerate.
3660         * testsuite/start_lib_test_main.c: New file.
3661         * testsuite/start_lib_test_1.c: New file.
3662         * testsuite/start_lib_test_2.c: New file.
3663         * testsuite/start_lib_test_3.c: New file.
3664
3665 2010-08-19  Ian Lance Taylor  <iant@google.com>
3666
3667         * Makefile.in: Rebuild with automake 1.11.1.
3668         * aclocal.m4: Likewise.
3669         * testsuite/Makefile.in: Likewise.
3670
3671 2010-08-19  Ian Lance Taylor  <iant@google.com>
3672
3673         PR 10893
3674         * i386.cc (class Output_data_plt_i386): Update declarations.
3675         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3676         local_ifuncs_ fields.
3677         (Target_i386::do_plt_section_for_global): New function.
3678         (Target_i386::do_plt_section_for_local): New function.
3679         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3680         parameter; change all callers.  Initialize global_ifuncs_ and
3681         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3682         __rel_iplt_end.
3683         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3684         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3685         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3686         symbols.
3687         (Target_i386::make_plt_section): New function, broken out of
3688         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3689         (Target_i386::make_plt_entry): Call make_plt_section.
3690         (Target_i386::make_local_ifunc_plt_entry): New function.
3691         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3692         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3693         R_386_IRELATIVE to switch.
3694         (Target_i386::Scan::global): Likewise.
3695         (Target_i386::Relocate::relocate): Likewise.
3696         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3697         switch.
3698         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3699         (Target_x86_64::do_plt_section_for_global): New function.
3700         (Target_x86_64::do_plt_section_for_local): New function.
3701         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3702         parameter; change all callers.  If doing a static link define
3703         __rela_iplt_start and __rela_iplt_end.
3704         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3705         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3706         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3707         to point to .plt.
3708         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3709         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3710         switch.
3711         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3712         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3713         R_X86_64_IRELATIVE to switch.
3714         (Target_x86_64::Scan::global): Likewise.
3715         (Target_x86_64::Relocate::relocate): Likewise.
3716         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3717         switch.
3718         * target.h (class Target): Add plt_section_for_global and
3719         plt_section_for_local functions.  Add do_plt_section_for_global
3720         and do_plt_section_for_local virtual functions.
3721         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3722         clarifying comments.
3723         (Symbol::use_plt_offset): Handle IFUNC symbol.
3724         * object.cc (Sized_relobj::Sized_relobj): Initialize
3725         local_plt_offsets_.
3726         (Sized_relobj::local_has_plt_offset): New function.
3727         (Sized_relobj::local_plt_offset): New function.
3728         (Sized_relobj::set_local_plt_offset): New function.
3729         (Sized_relobj::do_count): Handle IFUNC symbol.
3730         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3731         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3732         is_ifunc_symbol functions.
3733         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3734         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3735         local_plt_offsets_ field.
3736         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3737         * output.h (class Output_section_data): Add non-const
3738         output_section function.
3739         (class Output_data_got): Update declarations.
3740         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3741         Add use_plt_offset parameter to global and local constructors.
3742         Change all callers.  Change local_sym_index_ field to 31 bits.
3743         Change GSYM_CODE and CONSTANT_CODE accordingly.
3744         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3745         doing a static link don't set sh_link field.
3746         (Output_data_got::Got_entry::write): Use PLT offset if
3747         appropriate.
3748         (Output_data_got::add_global_plt): New function.
3749         (Output_data_got::add_local_plt): New function.
3750         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3751         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3752         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3753         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3754         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3755         IFUNC conditional.
3756         * testsuite/ifunc-sel.h: New file.
3757         * testsuite/ifuncmain1.c: New file.
3758         * testsuite/ifuncmain1vis.c: New file.
3759         * testsuite/ifuncmod1.c: New file.
3760         * testsuite/ifuncdep2.c: New file.
3761         * testsuite/ifuncmain2.c: New file.
3762         * testsuite/ifuncmain3.c: New file.
3763         * testsuite/ifuncmod3.c: New file.
3764         * testsuite/ifuncmain4.c: New file.
3765         * testsuite/ifuncmain5.c: New file.
3766         * testsuite/ifuncmod5.c: New file.
3767         * testsuite/ifuncmain6pie.c: New file.
3768         * testsuite/ifuncmod6.c: New file.
3769         * testsuite/ifuncmain7.c: New file.
3770         * configure, testsuite/Makefile.in: Rebuild.
3771
3772 2010-08-18  Ian Lance Taylor  <iant@google.com>
3773
3774         * incremental.cc
3775         (Output_section_incremental_inputs::write_input_files): Add cast
3776         to avoid signed/unsigned comparison warning.
3777         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3778
3779 2010-08-12  Cary Coutant  <ccoutant@google.com>
3780
3781         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3782
3783 2010-08-13  Ian Lance Taylor  <iant@google.com>
3784
3785         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3786
3787 2010-08-12  Cary Coutant  <ccoutant@google.com>
3788             Doug Kwan  <dougkwan@google.com>
3789
3790         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3791         defintion overrides non-weak undef, remember that the original undef
3792         is not weak.
3793         * symtab.cc (Symbol_table::sized_write_global): For undef without
3794         an original weak binding, set binding to global in output.
3795         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3796         * testsuite/Makefile.in: Regenerate.
3797         * testsuite/strong_ref_weak_def.sh: New file.
3798         * testsuite/strong_ref_weak_def_1.c: Ditto.
3799         * testsuite/strong_ref_weak_def_2.c: Ditto.
3800
3801 2010-08-12  Cary Coutant  <ccoutant@google.com>
3802
3803         * testsuite/incremental_test.sh: Rewrite.
3804         * testsuite/incremental_test_1.c: Rewrite.
3805         * testsuite/incremental_test_2.c: Rewrite.
3806
3807 2010-08-12  Cary Coutant  <ccoutant@google.com>
3808
3809         * arm.cc (Target_arm::got_size): Add const.
3810         (Target_arm::got_entry_count): New function.
3811         (Target_arm::plt_entry_count): New function.
3812         (Target_arm::first_plt_entry_offset): New function.
3813         (Target_arm::plt_entry_size): New function.
3814         (Output_data_plt_arm::entry_count): New function.
3815         (Output_data_plt_arm::first_plt_entry_offset): New function.
3816         (Output_data_plt_arm::get_plt_entry_size): New function.
3817         * i386.cc (Target_i386::got_size): Add const.
3818         (Target_i386::got_entry_count): New function.
3819         (Target_i386::plt_entry_count): New function.
3820         (Target_i386::first_plt_entry_offset): New function.
3821         (Target_i386::plt_entry_size): New function.
3822         (Output_data_plt_i386::entry_count): New function.
3823         (Output_data_plt_i386::first_plt_entry_offset): New function.
3824         (Output_data_plt_i386::get_plt_entry_size): New function.
3825         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3826         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3827         * incremental.cc: Include target.h.
3828         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3829         parameter.  Adjust all callers.  Find incremental_got_plt section.
3830         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3831         section.
3832         (Output_section_incremental_inputs::set_final_data_size): Calculate
3833         size of incremental_got_plt section.
3834         (Output_section_incremental_inputs::do_write): Write the
3835         incremental_got_plt section.
3836         (Got_plt_view_info): New struct.
3837         (Local_got_offset_visitor): New class.
3838         (Global_got_offset_visitor): New class.
3839         (Global_symbol_visitor_got_plt): New class.
3840         (Output_section_incremental_inputs::write_got_plt): New function.
3841         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3842         Add parameter.  Adjust all callers.
3843         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3844         (Incremental_inputs::got_plt_section): New function.
3845         (Incremental_inputs::got_plt_section_): New data member.
3846         (Incremental_got_plt_reader): New class.
3847         * layout.cc (Layout::create_incremental_info_sections): Add the
3848         incremental_got_plt section.
3849         * object.h (Got_offset_list::get_list): New function.
3850         (Got offset_list::for_all_got_offsets): New function.
3851         (Sized_relobj::local_got_offset_list): New function.
3852         * powerpc.cc (Target_powerpc::got_size): Add const.
3853         (Target_powerpc::got_entry_count): New function.
3854         (Target_powerpc::plt_entry_count): New function.
3855         (Target_powerpc::first_plt_entry_offset): New function.
3856         (Target_powerpc::plt_entry_size): New function.
3857         (Output_data_plt_powerpc::entry_count): New function.
3858         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3859         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3860         * sparc.cc (Target_sparc::got_size): Add const.
3861         (Target_sparc::got_entry_count): New function.
3862         (Target_sparc::plt_entry_count): New function.
3863         (Target_sparc::first_plt_entry_offset): New function.
3864         (Target_sparc::plt_entry_size): New function.
3865         (Output_data_plt_sparc::entry_count): New function.
3866         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3867         (Output_data_plt_sparc::get_plt_entry_size): New function.
3868         * symtab.h (Symbol::got_offset_list): New function.
3869         (Symbol_table::for_all_symbols): New function.
3870         * target.h (Sized_target::got_entry_count): New function.
3871         (Sized_target::plt_entry_count): New function.
3872         (Sized_target::plt_entry_size): New function.
3873         * x86_64.cc (Target_x86_64::got_size): Add const.
3874         (Target_x86_64::got_entry_count): New function.
3875         (Target_x86_64::plt_entry_count): New function.
3876         (Target_x86_64::first_plt_entry_offset): New function.
3877         (Target_x86_64::plt_entry_size): New function.
3878         (Output_data_plt_x86_64::entry_count): New function.
3879         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3880         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3881
3882 2010-08-12  Cary Coutant  <ccoutant@google.com>
3883
3884         * archive.cc: Include incremental.h.
3885         (Archive::Archive): Initialize incremental_info_.
3886         (Archive::include_member): Record archive members in incremental info.
3887         (Add_archive_symbols::run): Record begin and end of an archive in
3888         incremental info.
3889         (Lib_group::include_member): Record objects in incremental info.
3890         * archive.h (Incremental_archive_entry): Forward declaration.
3891         (Archive::set_incremental_info): New member function.
3892         (Archive::incremental_info): New member function.
3893         (Archive::Unused_symbol_iterator): New class.
3894         (Archive::unused_symbols_begin): New member function.
3895         (Archive::unused_symbols_end): New member function.
3896         (Archive::incremental_info_): New data member.
3897         * incremental-dump.cc (find_input_containing_global): New function.
3898         (dump_incremental_inputs): Dump new incremental info sections.
3899         * incremental.cc: Include symtab.h.
3900         (Output_section_incremental_inputs): New class.
3901         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3902         new incremental info sections.
3903         (Sized_incremental_binary::do_check_inputs): Likewise.
3904         (Incremental_inputs::report_archive): Remove.
3905         (Incremental_inputs::report_archive_begin): New function.
3906         (Incremental_inputs::report_archive_end): New function.
3907         (Incremental_inputs::report_object): New function.
3908         (Incremental_inputs::finalize_inputs): Remove.
3909         (Incremental_inputs::report_input_section): New function.
3910         (Incremental_inputs::report_script): Rewrite.
3911         (Incremental_inputs::finalize): Do nothing but finalize string table.
3912         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3913         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3914         (Incremental_inputs::create_data_sections): New function.
3915         (Incremental_inputs::relocs_entsize): New function.
3916         (Output_section_incremental_inputs::set_final_data_size): New function.
3917         (Output_section_incremental_inputs::do_write): New function.
3918         (Output_section_incremental_inputs::write_header): New function.
3919         (Output_section_incremental_inputs::write_input_files): New function.
3920         (Output_section_incremental_inputs::write_info_blocks): New function.
3921         (Output_section_incremental_inputs::write_symtab): New function.
3922         * incremental.h (Incremental_script_entry): Forward declaration.
3923         (Incremental_object_entry): Forward declaration.
3924         (Incremental_archive_entry): Forward declaration.
3925         (Incremental_inputs): Forward declaration.
3926         (Incremental_inputs_header_data): Remove.
3927         (Incremental_inputs_header): Remove.
3928         (Incremental_inputs_header_write): Remove.
3929         (Incremental_inputs_entry_data): Remove.
3930         (Incremental_inputs_entry): Remove.
3931         (Incremental_inputs_entry_write): Remove.
3932         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3933         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3934         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3935         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3936         Likewise.
3937         (Incremental_input_entry): New class.
3938         (Incremental_script_entry): New class.
3939         (Incremental_object_entry): New class.
3940         (Incremental_archive_entry): New class.
3941         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3942         (Incremental_inputs::report_inputs): Remove.
3943         (Incremental_inputs::report_archive): Remove.
3944         (Incremental_inputs::report_archive_begin): New function.
3945         (Incremental_inputs::report_archive_end): New function.
3946         (Incremental_inputs::report_object): Change prototype.
3947         (Incremental_inputs::report_input_section): New function.
3948         (Incremental_inputs::report_script): Change prototype.
3949         (Incremental_inputs::get_reloc_count): New function.
3950         (Incremental_inputs::set_reloc_count): New function.
3951         (Incremental_inputs::create_data_sections): New function.
3952         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3953         (Incremental_inputs::inputs_section): New function.
3954         (Incremental_inputs::symtab_section): New function.
3955         (Incremental_inputs::relocs_section): New function.
3956         (Incremental_inputs::get_stringpool): Add const.
3957         (Incremental_inputs::command_line): Add const.
3958         (Incremental_inputs::inputs): Remove.
3959         (Incremental_inputs::command_line_key): New function.
3960         (Incremental_inputs::input_file_count): New function.
3961         (Incremental_inputs::input_files): New function.
3962         (Incremental_inputs::relocs_entsize): New function.
3963         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3964         (Incremental_inputs::finalize_inputs): Remove.
3965         (Incremental_inputs::Input_info): Remove.
3966         (Incremental_inputs::lock_): Remove.
3967         (Incremental_inputs::inputs_): Change type.
3968         (Incremental_inputs::inputs_map_): Remove.
3969         (Incremental_inputs::current_object_entry_): New data member.
3970         (Incremental_inputs::inputs_section_): New data member.
3971         (Incremental_inputs::symtab_section_): New data member.
3972         (Incremental_inputs::relocs_section_): New data member.
3973         (Incremental_inputs::reloc_count_): New data member.
3974         (Incremental_inputs_reader): New class.
3975         (Incremental_symtab_reader): New class.
3976         (Incremental_relocs_reader): New class.
3977         * layout.cc (Layout::finalize): Move finalization of incremental info
3978         and creation of incremental info sections to follow finalization of
3979         symbol table.  Set offsets for postprocessing sections.
3980         (Layout::create_incremental_info_sections): Call
3981         Incremental_inputs::create_data_sections.  Add incremental symtab
3982         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3983         sections to layout after input sections.
3984         * layout.h (struct Timespec): Forward declaration.
3985         (Layout::incremental_inputs): Add const.
3986         (Layout::create_incremental_info_sections): Add parameter.
3987         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3988         * object.cc: Include incremental.h.
3989         (Relobj::finalize_incremental_relocs): New function.
3990         (Sized_relobj::do_layout): Record input sections in incremental info.
3991         * object.h (Object::output_section): New function.
3992         (Object::output_section_offset): Moved from Relobj.
3993         (Object::get_incremental_reloc_base): New function.
3994         (Object::get_incremental_reloc_count): New function.
3995         (Object::do_output_section): New function.
3996         (Object::do_output_section_offset): Moved from Relobj.
3997         (Object::do_get_incremental_reloc_base): New function.
3998         (Object::do_get_incremental_reloc_count): New function.
3999         (Object::Object): Initialize new data members.
4000         (Relobj::output_section): Renamed do_output_section and moved to
4001         protected.
4002         (Relobj::output_section_offset): Moved to Object.
4003         (Relobj::do_get_incremental_reloc_base): New function.
4004         (Relobj::do_get_incremental_reloc_count): New function.
4005         (Relobj::allocate_incremental_reloc_counts): New function.
4006         (Relobj::count_incremental_reloc): New function.
4007         (Relobj::finalize_incremental_relocs): New function.
4008         (Relobj::next_incremental_reloc_index): New function.
4009         (Relobj::reloc_counts_): New data member.
4010         (Relobj::reloc_bases_): New data member.
4011         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4012         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4013         (Sized_relobj::incremental_relocs_scan): New function.
4014         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4015         (Sized_relobj::incremental_relocs_write): New function.
4016         (Sized_relobj::incremental_relocs_write_reltype): New function.
4017         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4018         incremental link.
4019         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4020         archives and object files elsewhere.
4021         (Add_symbols::run): Report object files here.
4022         (Finish_group::run): Report end of archive at end of group.
4023         * reloc.cc: Include layout.h, incremental.h.
4024         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4025         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4026         (Sized_relobj::incremental_relocs_scan): New function.
4027         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4028         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4029         (Sized_relobj::incremental_relocs_write): New function.
4030         (Sized_relobj::incremental_relocs_write_reltype): New function.
4031         * script.cc (read_input_script): Rewrite test for incremental link.
4032         Change call to Incremental_inputs::report_script.
4033         * symtab.h (Symbol_table::first_global_index): New function.
4034         (Symbol_table::output_count): New function.
4035
4036 2010-08-12  Doug Kwan  <dougkwan@google.com>
4037
4038         * arm.cc (Target_arm::merge_object_attributes): Check command line
4039         options --no-wchar-size-warning and --no-enum-size-warning.
4040         * options.h (General_options): Add ld-compatible options
4041         --no-enum-size-warning and --no-wchar-size-warning.
4042
4043 2010-08-04  Ian Lance Taylor  <iant@google.com>
4044
4045         * x86_64.cc (Target_x86_64::Scan::local): Use
4046         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4047         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4048         (Target_x86_64::Scan::global): Likewise.
4049         (Target_x86_64::Relocate::relocate): Likewise.
4050         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4051         Likewise.
4052
4053 2010-08-03  Cary Coutant  <ccoutant@google.com>
4054
4055         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4056         to reserve space in merged_strings vector. Keep total input size
4057         for stats.
4058         (Output_merge_string::do_print_merge_stats): Print total input size.
4059         * merge.h (Output_merge_string): Add input_size_ field.
4060         * stringpool.cc (Stringpool_template::string_length): Move
4061         implementations out of Stringpool_template class and place in
4062         stringpool.h.
4063         * stringpool.h (string_length): Move out of Stringpool_template.
4064
4065 2010-08-03  Ian Lance Taylor  <iant@google.com>
4066
4067         PR 11712
4068         * layout.cc (relaxation_loop_body): If address of load segment is
4069         set, adjust address to include headers if possible.
4070
4071 2010-08-03  Ian Lance Taylor  <iant@google.com>
4072
4073         * version.cc (version_string): Bump to 1.10.
4074
4075 2010-08-03  Ian Lance Taylor  <iant@google.com>
4076
4077         PR 11805
4078         * layout.h (enum Output_section_order): Define.
4079         (class Layout): Update declarations.
4080         * layout.cc (Layout::get_output_section): Add order parameter.
4081         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4082         is_first_non_relro parameters.  Change all callers.
4083         (Layout::choose_output_section): Likewise.
4084         (Layout::add_output_section_data): Likewise.
4085         (Layout::make_output_section): Likewise.  Set order.
4086         (Layout::default_section_order): New function.
4087         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4088         * output.cc (Output_section::Output_section): Initialize order_.
4089         Don't initialize deleted fields.
4090         (Output_segment::Output_segment): Don't initialize deleted
4091         fields.
4092         (Output_segment::add_output_section_to_load): New function
4093         replacing add_output_section.  Change all callers to call this or
4094         add_output_section_to_nonload.
4095         (Output_segment::add_output_section_to_nonload): New function.
4096         (Output_segment::remove_output_section): Rewrite.
4097         (Output_segment::add_initial_output_data): Likewise.
4098         (Output_segment::has_any_data_sections): Likewise.
4099         (Output_segment::is_first_section_relro): Likewise.
4100         (Output_segment::maximum_alignment): Likewise.
4101         (Output_segment::has_dynamic_reloc): New function replacing
4102         dynamic_reloc_count.  Change all callers.
4103         (Output_segment::has_dynamic_reloc_list): New function replacing
4104         dynamic_reloc_count_list.  Change all callers.
4105         (Output_segment::set_section_addresses): Rewrite.
4106         (Output_segment::set_offset): Rewrite.
4107         (Output_segment::find_first_and_last_list): Remove.
4108         (Output_segment::set_tls_offsets): Rewrite.
4109         (Output_segment::first_section_load_address): Likewise.
4110         (Output_segment::output_section_count): Likewise.
4111         (Output_segment::section_with_lowest_load_address): Likewise.
4112         (Output_segment::write_section_headers): Likewise.
4113         (Output_segment::print_sections_to_map): Likewise.
4114         * output.h (class Output_data): Remove dynamic_reloc_count_
4115         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4116         (Output_data::add_dynamic_reloc): Rewrite.
4117         (Output_data::has_dynamic_reloc): New function.
4118         (Output_data::dynamic_reloc_count): Remove.
4119         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4120         is_last_relro_, is_first_non_relro_, is_interp_,
4121         is_dynamic_linker_section_ fields.  Add order and set_order
4122         functions.  Remove is_relro_local, set_is_relro_local,
4123         is_last_relro, set_is_last_relro, is_first_non_relro,
4124         set_is_first_non_relro functions, is_interp, set_is_interp,
4125         is_dynamic_linker_section, and set_is_dynamic_linker_section
4126         functions.
4127         (class Output_segment): Change Output_data_list from std::list to
4128         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4129         output_bss_ fields.  Update declarations.
4130
4131 2010-08-02  Ian Lance Taylor  <iant@google.com>
4132
4133         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4134         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4135         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4136
4137 2010-08-02  Ian Lance Taylor  <iant@google.com>
4138
4139         PR 11855
4140         * script.cc (Script_options::Script_options): Initialize
4141         symbol_definitions_ and symbol_references_.
4142         (Script_options::add_symbol_assignment): Update
4143         symbol_definitions_ and symbol_references_.
4144         (Script_options::add_symbol_reference): New function.
4145         (script_symbol): New function.
4146         * script.h (class Script_options): Add symbol_definitions_ and
4147         symbol_references_ fields.
4148         (Script_options::referenced_const_iterator): New type.
4149         (Script_options::referenced_begin): New function.
4150         (Script_options::referenced_end): New function.
4151         (Script_options::is_referenced): New function.
4152         (Script_options::any_unreferenced): New function.
4153         * script-c.h (script_symbol): Declare.
4154         * yyscript.y (exp): Call script_symbol.
4155         * symtab.cc: Include "script.h".
4156         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4157         Change all callers.  Check symbols referenced by scripts.
4158         (Symbol_table::add_undefined_symbols_from_command_line): Add
4159         layout parameter.  Change all callers.
4160         (Symbol_table::do_add_undefined_symbols_from_command_line):
4161         Likewise.  Break out loop body.  Check symbols referenced by
4162         scripts.
4163         (Symbol_table::add_undefined_symbol_from_command_line): New
4164         function broken out of
4165         do_add_undefined_symbols_from_command_line.
4166         * symtab.h (class Symbol_table): Update declarations.
4167         * archive.cc: Include "layout.h".
4168         (Archive::should_include_member): Add layout parameter.  Change
4169         all callers.  Check for symbol mentioned in expression.
4170         * archive.h (class Archive): Update declaration.
4171         * object.cc (Sized_relobj::do_should_include_member): Add layout
4172         parameter.
4173         * object.h (Object::should_include_member): Add layout parameter.
4174         Change all callers.
4175         (Object::do_should_include_member): Add layout parameter.
4176         (class Sized_relobj): Update declaration.
4177         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4178         parameter.
4179         * dynobj.h (class Sized_dynobj): Update declaration.
4180         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4181         layout parameter.
4182         * plugin.h (class Sized_pluginobj): Update declaration.
4183
4184 2010-08-02  Ian Lance Taylor  <iant@google.com>
4185
4186         PR 11866
4187         * output.cc (Output_segment::set_offset): Search for the first and
4188         last sections rather than assuming that the list is in order.
4189         (Output_segment::find_first_and_last_list): New function.
4190         * output.h (class Output_segment): Update declarations.
4191         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4192         (relro_strip_test_SOURCES): New variable.
4193         (relro_strip_test_DEPENDENCIES): New variable.
4194         (relro_strip_test_LDFLAGS): New variable.
4195         (relro_strip_test_LDADD): New variable.
4196         (relro_strip_test.so): New target.
4197
4198 2010-08-02  Ian Lance Taylor  <iant@google.com>
4199
4200         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4201         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4202         (Target_i386::got_tlsdesc_section): New function.
4203         (Target_i386::got_section): Create space for GOT entries for
4204         TLSDESC relocations.
4205         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4206         R_386_TLS_GOTDESC.
4207         (Target_i386::Scan::global): Likewise.
4208         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4209         using TLSDESC GOT.
4210         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4211         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4212         (Target_x86_64::got_tlsdesc_section): New function.
4213         (Target_x86_64::got_section): Create space for GOT entries for
4214         TLSDESC relocations.
4215         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4216         R_386_TLS_GOTDESC.
4217         (Target_x86_64::Scan::global): Likewise.
4218         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4219         using TLSDESC GOT.
4220
4221 2010-08-02  Ian Lance Taylor  <iant@google.com>
4222
4223         * testsuite/final_layout.sh: Use dc to convert from hex to
4224         decimal.
4225
4226 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4227
4228         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4229         paramter to the call to gold::gc_process_relocs.
4230         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4231         paramter to the call to gold::gc_process_relocs.
4232         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4233         parameter to the call to gold::gc_process_relocs.
4234         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4235         template parameter to the call to gold::gc_process_relocs.
4236         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4237         paramter to the call to gold::gc_process_relocs.
4238         * gc.h (get_embedded_addend_size): New function.
4239         (gc_process_relocs): Save the size of the reloc for use by ICF.
4240         * icf.cc (get_section_contents): Get the addend from the text section
4241         for SHT_REL relocation sections.
4242         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4243         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4244         * int_encoding.h (read_from_pointer): New overloaded function.
4245         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4246         * testsuite/icf_sht_rel_addend_test.sh: New file.
4247         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4248         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4249
4250 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4251
4252         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4253         * Makefile.in: Regenerate.
4254         * testsuite/Makefile.in: Regenerate.
4255
4256 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4257
4258         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4259         * gold/testsuite/debug_msg.cc: Likewise.
4260         * gold/testsuite/odr_violation1.cc
4261         * gold/testsuite/odr_violation2.cc
4262
4263 2010-07-21  Cary Coutant  <ccoutant@google.com>
4264
4265         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4266         string, and length fields.
4267         (Output_merge_string::Merged_strings_list): New type.
4268         (Output_merge_string::Merged_strings_lists): New typedef.
4269         (Output_merge_string): Replace merged_strings_ with
4270         merged_strings_lists_.
4271         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4272         Merged_strings_list per input object and section.  Don't store pointer
4273         to the string.  Don't store length with each merged string entry.
4274         (Output_merge_string::finalize_merged_data): Loop over list of merged
4275         strings lists.  Recompute length of each merged string.
4276
4277 2010-07-15  Cary Coutant  <ccoutant@google.com>
4278
4279         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4280         here.
4281
4282 2010-07-14  Ian Lance Taylor  <iant@google.com>
4283
4284         * descriptors.cc (Descriptors::open): Report correct name in error
4285         message.
4286
4287 2010-07-13  Doug Kwan  <dougkwan@google.com>
4288
4289         * arm.cc (Arm_input_section::Arm_input_section): For a
4290         SHT_ARM_EXIDX section, always keeps the input sections.
4291         (Arm_input_section::set_exidx_section_link): New method.
4292         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4293         has_errors_ to false.
4294         (Arm_exidx_input_section::has_errors,
4295         Arm_exidx_input_section::set_has_errors): New methods.
4296         (Arm_exidx_input_section::has_errors_): New data member.
4297         (Arm_relobj::get_exidx_shndx_list): New method.
4298         (Arm_output_section::append_text_sections_to_list): Do not skip
4299         section without SHF_EXECINSTR.
4300         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4301         errors.
4302         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4303         section header.  Make error messages more verbose.  Check for
4304         a non-executable section linked to an EXIDX section.
4305         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4306         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4307         check that there is no deferred EXIDX section if we exit early.
4308         Instead of not making an EXIDX section in case of an error, make one
4309         and set the has_errors flag of it.
4310         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4311         in a relocatable link.
4312         (Target_arm::do_relax): Look for the EXIDX output section instead of
4313         assuming that it is called .ARM.exidx.
4314         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4315         section list.  Do not check for SHF_EXECINSTR section flags but
4316         skip any input section with errors.
4317         * output.cc (Output_section::Output_section): Initialize
4318         always_keeps_input_sections_ to false.
4319         (Output_section::add_input_section): Check for
4320         always_keeps_input_sections_.
4321         *  output.h (Output_section::always_keeps_input_sections,
4322         Output_section::set_always_keeps_input_sections): New methods.
4323         (Output_section::always_keeps_input_sections): New data member.
4324
4325 2010-07-13  Rafael Espindola  <espindola@google.com>
4326
4327         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4328         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4329
4330 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4331             Ian Lance Taylor  <iant@google.com>
4332
4333         * output.h (Output_section_lookup_maps::add_merge_section):
4334         Correct check of whether value was inserted.
4335         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4336         (Output_section_lookup_maps::add_relaxed_input_section):
4337         Likewise.
4338         * arm.cc (Target_arm::got_section): Remove used local os.
4339         * i386.cc (Target_i386::got_section): Likewise.
4340         * x86_64.cc (Target_x86_64::got_section): Likewise.
4341         * sparc.cc (Target_sparc::got_section): Likewise.
4342         (Target_sparc::relocate): Remove unused local have_got_offset.
4343         * powerpc.cc (Target_powerpc::relocate): Likewise.
4344
4345 2010-07-13  Ian Lance Taylor  <iant@google.com>
4346
4347         * compressed_output.cc (zlib_decompress): Fix signature in
4348         !HAVE_ZLIB_H case.
4349
4350         * archive.cc (Archive::include_member): Unlock an external member
4351         of a thin archive.  Don't bother to delete an object we know is
4352         NULL.
4353
4354 2010-07-12  Cary Coutant  <ccoutant@google.com>
4355
4356         * compressed_output.cc (zlib_decompress): New function.
4357         (get_uncompressed_size): New function.
4358         (decompress_input_section): New function.
4359         * compressed_output.h (get_uncompressed_size): New function.
4360         (decompress_input_section): New function.
4361         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4362         Handle compressed debug sections.
4363         * layout.cc (is_compressed_debug_section): New function.
4364         (Layout::output_section_name): Map compressed section names to
4365         canonical names.
4366         * layout.h (is_compressed_debug_section): New function.
4367         (is_debug_info_section): Recognize compressed debug sections.
4368         * merge.cc: Include compressed_output.h.
4369         (Output_merge_data::do_add_input_section): Handle compressed
4370         debug sections.
4371         (Output_merge_string::do_add_input_section): Handle compressed
4372         debug sections.
4373         * object.cc: Include compressed_output.h.
4374         (Sized_relobj::Sized_relobj): Initialize new data members.
4375         (build_compressed_section_map): New function.
4376         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4377         * object.h (Object::section_is_compressed): New method.
4378         (Object::do_section_is_compressed): New method.
4379         (Sized_relobj::Compressed_section_map): New type.
4380         (Sized_relobj::do_section_is_compressed): New method.
4381         (Sized_relobj::compressed_sections_): New data member.
4382         * output.cc (Output_section::add_input_section): Handle compressed
4383         debug sections.
4384         * reloc.cc: Include compressed_output.h.
4385         (Sized_relobj::write_sections): Handle compressed debug sections.
4386
4387 2010-07-08  Cary Coutant  <ccoutant@google.com>
4388
4389         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4390         weak when resolving to a dynamic def.
4391         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4392         for weak undef/dynamic def cases. Adjust callers.
4393         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4394         undef_binding_weak_.
4395         (Symbol_table::sized_write_globals): Adjust symbol binding.
4396         (Symbol_table::sized_write_symbol): Add binding parameter.
4397         * symtab.h (Symbol::set_undef_binding): New method.
4398         (Symbol::is_undef_binding_weak): New method.
4399         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4400         (Symbol_table::should_override): Add new parameter.
4401         (Symbol_table::sized_write_symbol): Add new parameter.
4402
4403         * testsuite/weak_undef_file1.cc: Add new test case.
4404         * testsuite/weak_undef_file2.cc: Fix header comment.
4405         * testsuite/weak_undef_test.cc: Add new test case.
4406
4407 2010-06-29  Doug Kwan  <dougkwan@google.com>
4408
4409         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4410         Initialize USE_SYMBOL_.
4411         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4412         definition.
4413         (Arm_reloc_property::uses_symbol_): New data member declaration.
4414         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4415         uses symbol value and symbol is undefined but not weakly undefined.
4416
4417 2010-06-28  Rafael Espindola  <espindola@google.com>
4418
4419         * plugin.cc (Plugin::load): Use dlerror.
4420
4421 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4422
4423         * symtab.cc (detect_odr_violations): When reporting an ODR
4424         violation, report an object where the symbol is defined.
4425
4426 2010-06-25  Doug Kwan  <dougkwan@google.com>
4427
4428         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4429         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4430         definition.
4431         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4432         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4433         target hook to detect function points.
4434         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4435         * icf.h (Icf::check_section_for_function_pointers): Change type of
4436         parameter SECTION_NAME to const reference to std::string.  Use
4437         target hook to determine if section may have unsafe pointers.
4438         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4439         method definition.
4440
4441 2010-06-21  Rafael Espindola  <espindola@google.com>
4442
4443         * fileread.cc (Input_file::find_fie): New
4444         (Input_file::open): Use Input_file::find_fie.
4445         * fileread.h (Input_file::find_fie): New
4446         * plugin.cc (set_extra_library_path): New.
4447         (Plugin::load): Add set_extra_library_path to the transfer vector.
4448         (Plugin_manager::set_extra_library_path): New.
4449         (Plugin_manager::add_input_file): Use the extra search path if set.
4450         (set_extra_library_path(): New.
4451         * plugin.h (Plugin_manager): Add set_extra_library_path and
4452         extra_search_path_.
4453
4454 2010-06-19  Cary Coutant  <ccoutant@google.com>
4455
4456         * layout.cc (gdb_sections): Add .debug_types.
4457         (lines_only_debug_sections): Likewise.
4458
4459 2010-06-18  Rafael Espindola  <espindola@google.com>
4460
4461         * plugin.cc (add_input_file,add_input_library)
4462         (Plugin_manager::add_input_file): Make filename arguments const.
4463         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4464         const.
4465
4466 2010-06-16  Doug Kwan  <dougkwan@google.com>
4467
4468         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4469         .ARM.attributes section if we have not merged any input
4470         attributes sections.
4471
4472 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4473
4474         * arm.cc: Allow combining objects with no EABI version
4475         information.
4476
4477 2010-06-15  Rafael Espindola  <espindola@google.com>
4478
4479         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4480
4481 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4482
4483         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4484         (struct iovec): Correct !HAVE_READV definition.
4485
4486 2010-06-10  Cary Coutant  <ccoutant@google.com>
4487
4488         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4489         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4490         reloc sections.
4491         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4492
4493         PR 11683
4494         * symtab.h (Symbol::is_placeholder): New member function.
4495         * target-reloc.h (relocate_section): Check for placeholder symbols.
4496
4497         * testsuite/Makefile.am (plugin_test_8): New test.
4498         (plugin_test_9): New test.
4499         * testsuite/Makefile.in: Regenerate.
4500
4501 2010-06-09  Nick Clifton  <nickc@redhat.com>
4502
4503         * yyscript.y (input_list_element): Allow strings prefixed with
4504         the '-' character.  Treat these as libraries.
4505         * script.cc (script_add_library): New function.  Adds a library
4506         specified by "-l<name>" found in an input script.
4507         * script-c.h: Add prototype for script_add_library.
4508
4509 2010-06-07  Doug Kwan  <dougkwan@google.com>
4510
4511         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4512         Restrict stub-group size to be within long conditional branch
4513         range when working around cortex-A8 erratum.
4514
4515 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4516
4517         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4518         #ifdef typo.
4519
4520 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4521
4522         PR gold/11658
4523         * output.cc
4524         (Output_section::Input_section_sort_entry::compare_section_ordering):
4525         Change to return non-zero correctly.
4526         (Output_section::Input_section_sort_section_order_index_compare
4527         ::operator()): Change to fix ambiguity in comparisons.
4528
4529 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4530
4531         * gold.h (is_wildcard_string): New function.
4532         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4533         (Layout::layout_eh_frame): Ditto.
4534         (Layout::find_section_order_index): New method.
4535         (Layout::read_layout_from_file): New method.
4536         * layout.h (Layout::find_section_order_index): New method.
4537         (Layout::read_layout_from_file): New method.
4538         (Layout::input_section_position_): New private member.
4539         (Layout::input_section_glob_): New private member.
4540         * main.cc (main): Call read_layout_from_file here.
4541         * options.h (--section-ordering-file): New option.
4542         * output.cc (Output_section::input_section_order_specified_): New
4543         member.
4544         (Output_section::Output_section): Initialize new member.
4545         (Output_section::add_input_section): Add new parameter.
4546         Keep input sections when --section-ordering-file is used.
4547         (Output_section::set_final_data_size): Sort input sections when
4548         section ordering file is specified.
4549         (Output_section::Input_section_sort_entry): Add new parameter.
4550         Check sorting type.
4551         (Output_section::Input_section_sort_entry::compare_section_ordering):
4552         New method.
4553         (Output_section::Input_section_sort_compare::operator()): Change to
4554         consider section_order_index.
4555         (Output_section::Input_section_sort_init_fini_compare::operator()):
4556         Change to consider section_order_index.
4557         (Output_section::Input_section_sort_section_order_index_compare
4558         ::operator()): New method.
4559         (Output_section::sort_attached_input_sections): Change to sort
4560         according to section order when specified.
4561         (Output_section::add_input_section<32, true>): Add new parameter.
4562         (Output_section::add_input_section<64, true>): Add new parameter.
4563         (Output_section::add_input_section<32, false>): Add new parameter.
4564         (Output_section::add_input_section<64, false>): Add new parameter.
4565         * output.h (Output_section::add_input_section): Add new parameter.
4566         (Output_section::input_section_order_specified): New
4567         method.
4568         (Output_section::set_input_section_order_specified): New method.
4569         (Input_section::Input_section): Initialize section_order_index_.
4570         (Input_section::section_order_index): New method.
4571         (Input_section::set_section_order_index): New method.
4572         (Input_section::section_order_index_): New member.
4573         (Input_section::Input_section_sort_section_order_index_compare): New
4574         struct.
4575         (Output_section::input_section_order_specified_): New member.
4576         * script-sections.cc (is_wildcard_string): Delete and move modified
4577         method to gold.h.
4578         (Output_section_element_input::Output_section_element_input): Modify
4579         call to is_wildcard_string.
4580         (Output_section_element_input::Input_section_pattern
4581         ::Input_section_pattern): Ditto.
4582         (Output_section_element_input::Output_section_element_input): Ditto.
4583         * testsuite/Makefile.am (final_layout): New test case.
4584         * testsuite/Makefile.in: Regenerate.
4585         * testsuite/final_layout.cc: New file.
4586         * testsuite/final_layout.sh: New file.
4587
4588 2010-06-01  Rafael Espindola  <espindola@google.com>
4589
4590         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4591
4592 2010-06-01  Rafael Espindola  <espindola@google.com>
4593
4594         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4595         visibility of symbols.
4596
4597 2010-05-27  Doug Kwan  <dougkwan@google.com>
4598
4599         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4600         from start of output section instead of address for a local symbol
4601         in a merged or relaxed section when doing a relocatable link.
4602
4603 2010-05-26  Rafael Espindola  <espindola@google.com>
4604
4605        PR 11604
4606         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4607         adding sections the garbage collector removed.
4608         * gold/testsuite/Makefile.am: Add test.
4609         * gold/testsuite/Makefile.in: Regenerate.
4610         * gold/testsuite/plugin_test_7.sh: New.
4611         * gold/testsuite/plugin_test_7_1.c: New.
4612         * gold/testsuite/plugin_test_7_2.c: New.
4613
4614 2010-05-26  Rafael Espindola  <espindola@google.com>
4615
4616         * script-sections.cc (Output_section_definition::set_section_addresses):
4617         Check for --section-start.
4618
4619 2010-05-26  Doug Kwan  <dougkwan@google.com>
4620
4621         * arm.cc (Arm_scan_relocatable_relocs): New class.
4622         (Target_arm::relocate_special_relocatable): New method.
4623         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4624         (Arm_relocate_functions::thumb_branch_common): Same.
4625         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4626         instead of Default_scan_relocatable_relocs.
4627         * target-reloc.h (relocate_for_relocatable): Let target handle
4628         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4629         * target.h (Sized_target::relocate_special_relocatable): New method.
4630
4631 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4632
4633         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4634
4635 2010-05-23  Doug Kwan  <dougkwan@google.com>
4636
4637         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4638         instead of a cast.
4639         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4640         with a direct branch, not a conditional branch, to a stub.
4641         * merge.cc (Output_merge_base::record_input_section): New method
4642         defintion.
4643         (Output_merge_data::do_add_input_section): Record input section if
4644         keeps-input-sections flag is set.
4645         (Output_merge_string::do_add_input_section): Ditto.
4646         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4647         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4648         INPUT_SECTIONS_.
4649         (Output_merge_base::keeps_input_sections,
4650         Output_merge_base::set_keeps_input_sections,
4651         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4652         method definitions.
4653         (Output_merge_base::Input_sections): New type declaration.
4654         (Output_merge_base::input_sections_begin,
4655         Output_merge_base::input_sections_end,
4656         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4657         (Output_merge_base::bool keeps_input_sections_,
4658         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4659         Output_merge_base::input_sections_): New data members.
4660         (Output_merge_data::do_set_keeps_input_sections): New method
4661         defintion.
4662         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4663         * output.cc (Output_section::Input_section::relobj): Move method
4664         defintion from class declaration to here and handle merge sections.
4665         (Output_section::Input_section::shndx): Ditto.
4666         (Output_section::Output_section): Remove initializations of removed
4667         data members and initialize new data member LOOKUP_MAPS_.
4668         (Output_section::add_input_section): Set keeps-input-sections flag
4669         for a newly created merge output section as appropriate.  Adjust code
4670         to use Output_section_lookup_maps class.
4671         (Output_section::add_relaxed_input_section): Adjst code for lookup
4672         maps code refactoring.
4673         (Output_section::add_merge_input_section): Add a new parameter
4674         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4675         class.  If adding input section to a newly created merge output
4676         section fails, remove the new merge section.
4677         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4678         Adjust code for use of the Output_section_lookup_maps class.
4679         (Output_section::find_merge_section): Ditto.
4680         (Output_section::build_lookup_maps): New method defintion.
4681         (Output_section::find_relaxed_input_section): Adjust code to use
4682         Output_section_lookup_maps class.
4683         (Output_section::get_input_sections): Export merge sections.  Adjust
4684         code to use Output_section_lookup_maps class.
4685         (Output_section:::add_script_input_section): Adjust code to use
4686         Output_section_lookup_maps class.  Update lookup maps for merge
4687         sections also.
4688         (Output_section::discard_states): Use Output_section_lookup_maps.
4689         (Output_section::restore_states): Same.
4690         * output.h (Merge_section_properties): Move class defintion out of
4691         Output_section.
4692         (Output_section_lookup_maps): New class.
4693         (Output_section::Input_section::is_merge_section): New method
4694         defintion.
4695         (Output_section::Input_section::relobj): Move defintion out of class
4696         defintion.  Declare method only.
4697         (Output_section::Input_section::shndx): Ditto.
4698         (Output_section::Input_section::output_merge_base): New method defintion.
4699         (Output_section::Input_section::u2_.pomb): New union field.
4700         (Output_section::Merge_section_by_properties_map,
4701         Output_section::Output_section_data_by_input_section_map,
4702         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4703         Remove types.
4704         (Output_section::add_merge_input_section): Add new parameter
4705         KEEPS_INPUT_SECTIONS.
4706         (Output_section::build_lookup_maps): New method declaration.
4707         (Output_section::merge_section_map_,
4708         Output_section::merge_section_by_properties_map_,
4709         Output_section::relaxed_input_section_map_,
4710         Output_section::is_relaxed_input_section_map_valid_): Remove data
4711         members.
4712         (Output_section::lookup_maps_): New data member.
4713
4714 2010-05-21  Doug Kwan  <dougkwan@google.com>
4715
4716         PR gold/11619
4717         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4718         avoid a compilation error.
4719
4720 2010-05-19  Rafael Espindola  <espindola@google.com>
4721
4722         * script-sections.cc (Output_section_definition::allocate_to_segment):
4723         Update the phdrs_list even when the output section is NULL.
4724         * testsuite/Makefile.am: Add test.
4725         * testsuite/Makefile.in: Regenerate.
4726         * testsuite/script_test_9.cc: New.
4727         * testsuite/script_test_9.sh: New.
4728         * testsuite/script_test_9.t: New.
4729
4730 2010-05-19  Doug Kwan  <dougkwan@google.com>
4731
4732         * arm.cc (Arm_input_section::original_size): New method.
4733         (Arm_input_section::do_addralign): Add a cast.
4734         (Arm_input_section::do_output_offset): Remove static cast.
4735         (Arm_input_section::original_addralign,
4736          Arm_input_section::original_size_): Change type to uint32_t.
4737         (Arm_input_section::init): Add safe casts for section alignment
4738         and size.
4739         (Arm_input_section::set_final_data_size): Do not set address and
4740         offset of stub table.
4741         (Arm_output_section::fix_exidx_coverage): Change use of of
4742         Output_section::Simple_input_section to that of
4743         Output_section::Input_section.
4744         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4745         except for the first pass.
4746         * output.cc (Output_section::get_input_sections): Change type of
4747         input_sections to std::list<Input_section>.
4748         (Output_section::add_script_input_section): Rename from
4749         Output_section::add_simple_input_section.  Change type of SIS
4750         parameter from Simple_input_section to Input_section.
4751         * output.h (Output_section::Simple_input_section): Remove class.
4752         (Output_section::Input_section): Change class visibility to public.
4753         (Output_section::Input_section::addralign): Use stored alignments
4754         for special input sections if set.
4755         (Output_section::Input_section::set_addralign): New method.
4756         (Output_section::get_input_sections): Change parameter type from
4757         list of Simple_input_section to list of Input_section.
4758         (Output_section::add_script_input_section): Rename from
4759         Output_section::add_simple_input_section. Change first parameter's
4760         type from Simple_input_section to Input_section and remove the
4761         second and third parameters.
4762         * script-sections.cc (Input_section::Input_section_list): Change
4763         type to list of Output_section::Input_section/
4764         (Input_section_info::Input_section_info): Change parameter type of
4765         INPUT_SECTION to Output_section::Input_section.
4766         (Input_section_info::input_section): Change return type.
4767         (Input_section_info::input_section_): Change type to
4768         Output_section::Input_section.
4769         (Output_section_element_input::set_section_addresses): Adjust code
4770         to use Output_section::Input_section instead of
4771         Output_section::Simple_input_section.  Adjust code for renaming
4772         of Output_section::add_simple_input_section.
4773         (Orphan_output_section::set_section_addresses): Ditto.
4774
4775 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4776
4777         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4778         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4779
4780 2010-05-18  Rafael Espindola  <espindola@google.com>
4781
4782         * options.cc (General_options::finalize): Handle -nostdlib.
4783         * options.h (nostdlib): New option.
4784         * script.cc (script_add_search_dir): Handle -nostdlib.
4785
4786 2010-05-12  Doug Kwan  <dougkwan@google.com>
4787
4788         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4789         attributes section only if there no attributes section after merging.
4790         (Target_arm::merge_object_attributes): Move value of
4791         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4792         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4793         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4794         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4795         and arm_attr_merge_7.stdout.
4796         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4797         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4798         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4799         arm_attr_merge_7b.o): New rules.
4800         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4801         arm_attr_merge_7
4802         * testsuite/Makefile.in: Regenerate.
4803         * testsuite/arm_attr_merge.sh: New file.
4804         * testsuite/arm_attr_merge_[67][ab].s: Same.
4805
4806 2010-05-05  Nick Clifton  <nickc@redhat.com>
4807
4808         * po/es.po: Updated Spanish translation.
4809
4810 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4811
4812         * Makefile.am (install-exec-local): Properly install gold as
4813         default cross linker.
4814         * Makefile.in: Regenerated.
4815
4816 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4817             Nick Clifton  <nickc@redhat.com>
4818
4819         * configure.ac (install_as_default): Define and set to false
4820         unless --enable-gold or --enable-gold=both/gold has been
4821         specified.
4822         * configure: Regenerate.
4823
4824         * Makefile.am (install-exec-local): Install the executable as
4825         'ld.gold'.  If install_as_default is true then also install it as
4826         'ld'.
4827         * Makefile.in: Regenerated.
4828
4829 2010-04-24  Ian Lance Taylor  <iant@google.com>
4830
4831         * layout.cc (Layout::layout_reloc): In relocatable link don't
4832         combine reloc sections for grouped sections.
4833
4834 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4835
4836         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4837         sections that are not ordinary to icf.
4838         * icf.cc (get_section_contents): Handle relocation pointing to section
4839         with no object or shndx information.
4840         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4841         * testsuite/Makefile.in: Regenerate.
4842         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4843         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4844
4845 2010-04-22  Ian Lance Taylor  <iant@google.com>
4846
4847         * expression.cc (Expression::Expression_eval_info): Add
4848         result_alignment_pointer field.
4849         (Expression::eval_with_dot): Add result_alignment_pointer
4850         parameter.  Change all callers.
4851         (Expression::eval_maybe_dot): Likewise.
4852         (class Binary_expression): Add alignment_pointer parameter to
4853         left_value and right_value.  Change all callers.
4854         (BINARY_EXPRESSION): Set result alignment.
4855         (class Trinary_expression): Add alignment_pointer parameter to
4856         arg2_value and arg3_value.  Change all callers.
4857         (Trinary_cond::value): Set result alignment.
4858         (Max_expression::value, Min_expression::value): Likewise.
4859         (Align_expression::value): Likewise.
4860         * script-sections.cc (class Sections_element): Add dot_alignment
4861         parameter to set_section_addresses virtual function.  Update
4862         instantiations.
4863         (class Output_section_element): Likewise.
4864         (Script_sections::create_segments): Add dot_alignment parameter.
4865         Change all callers.
4866         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4867         (Script_sections::set_phdrs_clause_addresses): Likewise.
4868         * script-sections.h: Update declarations.
4869         * script.h: Update declarations.
4870         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4871         min_p_align.
4872         * testsuite/script_test_3.t: Set large alignment.
4873         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4874         segment has expected alignment.
4875
4876 2010-04-22  Nick Clifton  <nickc@redhat.com>
4877
4878         * po/gold.pot: Updated by the Translation project.
4879         * po/vi.po: Updated Vietnamese translation.
4880
4881 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4882
4883         * testsuite/Makefile.am (check_PROGRAMS): Add
4884         icf_virtual_function_folding_test.
4885         * testsuite/Makefile.in: Regenerated.
4886
4887 2010-04-15  Andrew Haley  <aph@redhat.com>
4888
4889         * options.h (merge_exidx_entries): New option.
4890         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4891         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4892         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4893         (Target_arm::merge_exidx_entries): New function.
4894         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4895         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4896         to Arm_exidx_fixup constructor.
4897         Add new arg, merge_exidx_entries.
4898         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4899         Arm_output_section::fix_exidx_coverage.
4900
4901 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4902
4903         * icf.cc (get_section_contents): Check for preemptible functions.
4904         Ignore addend when appropriate.
4905         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4906         section folded.
4907         (add_from_relobj): Check for section folded.
4908         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4909         * symtab.h (should_add_dynsym_entry): Add new parameter.
4910         * target-reloc.h (scan_relocs): Check for section folded.
4911         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4912         Check reloc types for function pointers in shared objects.
4913         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4914         case.
4915         (icf_preemptible_functions_test): New test case.
4916         (icf_string_merge_test): New test case.
4917         * testsuite.Makefile.in: Regenerate.
4918         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4919         bar_glob.  Refactor code.
4920         * testsuite/icf_preemptible_functions_test.cc: New file.
4921         * testsuite/icf_preemptible_functions_test.sh: New file.
4922         * testsuite/icf_string_merge_test.cc: New file.
4923         * testsuite/icf_string_merge_test.sh: New file.
4924         * testsuite/icf_virtual_function_folding_test.cc: New file.
4925         * testsuite/icf_virtual_function_folding_test.sh: New file.
4926
4927 2010-04-14  Doug Kwan  <dougkwan@google.com>
4928
4929         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4930         for local symbol recounting if we remove a section due to ICF.
4931         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4932         there are no regular objects in input.
4933
4934 2010-04-13  Doug Kwan  <dougkwan@google.com>
4935
4936         * arm.cc (Arm_input_section::set_final_data_size): Compute
4937         accurate final data size instead of using current data size.
4938
4939 2010-04-09  Doug Kwan  <dougkwan@google.com>
4940
4941         * layout.cc (Layout::choose_output_section): Handle script section
4942         types.
4943         (Layout::make_output_section_for_script): Add section type parameter.
4944         Handle script section types.
4945         * layout.h (Layout::make_output_section_for_script): Add section
4946         type parameter.
4947         * output.cc (Output_section::Output_section): Initialize data member
4948         is_noload_.
4949         (Output_section::do_reset_address_and_file_offset): Do not set address
4950         to 0 if section is a NOLOAD section.
4951         * output.h (Output_section::is_noload): New method.
4952         (Output_section::set_is_noload): Ditto.
4953         (Output_section::is_noload_): New data member.
4954         * script-c.h (Script_section_type): New enum type.
4955         (struct Parser_output_section_header): Add new file section_type.
4956         * script-sections.cc (Sections_element::output_section_name): Add
4957         parameter for returning script section type.
4958         (Output_section_definition::output_section_name): Ditto.
4959         (Output_section_definition::section_type)P; New method.
4960         (Output_section_definiton::script_section_type_name): Ditto.
4961         (Output_section_definition::script_section_type_): New data member.
4962         (Output_section_definition::Output_section_definition): Initialize
4963         data member Output_section_definition::script_section_type_.
4964         (Output_section_definition::create_sections): Pass script section type
4965         to Layout::make_output_section_for_script.
4966         (Output_section_definition::output_section_name): Return script
4967         section type to caller.
4968         (Output_section_definition::set_section_address): Do not advance
4969         dot value and load address if section type is NOLOAD.  Set address
4970         of NOLOAD sections regardless of section flags.
4971         (Output_section_definition::print): Print section type if it is
4972         not SCRIPT_SECTION_TYPE_NONE.
4973         (Output_section_definition::section_type): New method.
4974         (Output_section_definition::script_section_type_name): Ditto.
4975         (Script_sections::output_section_name): Add new parameter
4976         PSECTION_TYPE for returning script section type.  Pass it to
4977         section elements.  Handle discard sections.
4978         (Sort_output_sections::operator()): Handle NOLOAD sections.
4979         * script-sections.h (Script_sections::Section_type): New enum type.
4980         (Script_sections::output_section_name): Add a new parameter for
4981         returning script section type.
4982         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4983         INFO and NOLOAD.
4984         * yyscript.y (union): Add new field SECTION_TYPE.
4985         (COPY, DSECT, INFO, NOLOAD): New tokens.
4986         (opt_address_and_section_type): Change type to output_section_header.
4987         (section_type): New non-terminal
4988         (section_header): Handle section type.
4989         (opt_address_and_section_type): Return section type value.
4990
4991 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4992
4993         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4994         * testsuite/plugin_common_test_2.c (foo): Likewise.
4995
4996 2010-04-08  Doug Kwan  <dougkwan@google.com>
4997
4998         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4999         Output_merge_data.
5000         * output.cc (Output_section::add_merge_input_section): Simplify
5001         code and return status of Output_merge_base::add_input_section.
5002         Update merge section map only if Output_merge_base::add_input_section
5003         returns true.
5004
5005 2010-04-07  Doug Kwan  <dougkwan@google.com>
5006
5007         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5008         if section is marked as containing instructions but has no mapping
5009         symbols.
5010         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5011         correct section index.
5012         (Arm_relobj::find_linked_text_section): Ditto.
5013
5014 2010-04-07  Cary Coutant  <ccoutant@google.com>
5015
5016         * archive.cc (include_member): Destroy Read_symbols_data object before
5017         releasing file.
5018         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5019         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5020         (Read_symbols_data::~Read_symbols_data) New destructor.
5021         (Section_relocs::Section_relocs) New constructor.
5022         (Section_relocs::~Section_relocs) New destructor.
5023         (Read_relocs_data::Read_relocs_data) New constructor.
5024         (Read_relocs_data::~Read_relocs_data) New destructor.
5025         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5026         pointers to NULL after deleting.
5027
5028 2010-04-07  Doug Kwan  <dougkwan@google.com>
5029
5030         * arm.cc: Replace "endianity" with "endianness" in comments.
5031         (Arm_exidx_cantunwind): Ditto.
5032         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5033         (Arm_relobj::merge_flags_and_attributes): New method.
5034         (Arm_relobj::merge_flags_and_attributes_): New data member.
5035         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5036         (Arm_relobj::scan_sections_for_stubs): Ditto.
5037         (Arm_relobj::do_read_symbols): Check to see if we really want to
5038         merge processor-specific flags and attributes.  Exit early if
5039         an object is empty except for section names and the undefined symbol.
5040         (Target_arm::do_finalize_sections): Move check for ELF format to
5041         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5042         attributes from a regular object only when we have determined that
5043         it is aapropriate.  Do not create an .ARM.attributes section in
5044         output if there is no regular input object.
5045         (Target_arm::merge_processor_specific_flags): Check
5046         --warn-mismatch before printing any error.
5047         (Target_arm::merge_object_attributes): Ditto.
5048         * gold.cc (queue_middle_tasks): Handle the case in which there is
5049         no regular object in input.
5050         * options.cc (General_options::parse_EB): New method.
5051         (General_options::parse_EL): Same.
5052         (General_options::General_options): Initialize endianness_.
5053         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5054         New options.
5055         (General_options::Endianness): New enum.
5056         (General_options::endianness): New method.
5057         (General_options::endianness_): New data member.
5058         * parameters.cc (Parameters::set_options): Check target endianness.
5059         (Parameters::set_target_once): Ditto.
5060         (Parameters::check_target_endianness): New method.
5061         (parameters_force_valid_target): If either -EL or -EB is specified,
5062         use it to define endianness of default target.
5063         * parameters.h (Parameters::check_target_endianness): New method
5064         declaration.
5065         * target.h (class Target): Change "endianity" to "endianness"
5066         in comments.
5067
5068 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5069
5070         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5071         * configure: Regenerate.
5072         * Makefile.in: Regenerate.
5073         * testsuite/Makefile.in: Regenerate.
5074
5075 2010-04-06  Cary Coutant  <ccoutant@google.com>
5076
5077         gcc PR lto/42757
5078         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5079         prevailing definitions of common symbols.
5080         * testsuite/plugin_test_6.sh: New test case.
5081         * testsuite/plugin_common_test_1.c: New test case.
5082         * testsuite/plugin_common_test_2.c: New test case.
5083         * testsuite/Makefile.am (plugin_test_6): New test case.
5084         * testsuite/Makefile.in: Regenerate.
5085
5086 2010-04-06  Nick Clifton  <nickc@redhat.com>
5087
5088         * po/vi.po: New Vietnamese translation.
5089
5090 2010-03-30  Doug Kwan  <dougkwan@google.com>
5091
5092         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5093
5094 2010-03-25  Doug Kwan  <dougkwan@google.com>
5095
5096         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5097         to avoid a conversion warning on a 32-bit host.
5098
5099 2010-03-24  Ian Lance Taylor  <iant@google.com>
5100
5101         * testsuite/script_test_3.t: Add a TLS segment.
5102         * testsuite/Makefile.am (check_PROGRAMS): Add
5103         tls_phdrs_script_test.
5104         (tls_phdrs_script_test_SOURCES): Define.
5105         (tls_phdrs_script_test_DEPENDENCIES): Define.
5106         (tls_phdrs_script_test_LDFLAGS): Define.
5107         (tls_phdrs_script_test_LDADD): Define.
5108         * testsuite/Makefile.in: Rebuild.
5109
5110 2010-03-23  Cary Coutant  <ccoutant@google.com>
5111
5112         * fileread.cc (find_or_make_view): Fix comment.
5113
5114 2010-03-23  Ian Lance Taylor  <iant@google.com>
5115
5116         * script-sections.cc (class Orphan_section_placement): Define
5117         PLACE_TLS and PLACE_TLS_BSS.
5118         (Orphan_section_placement::Orphan_section_placement): Initialize
5119         new places.
5120         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5121         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5122         (tls_script_test_SOURCES): Define.
5123         (tls_script_test_DEPENDENCIES): Define.
5124         (tls_script_test_LDFLAGS): Define.
5125         (tls_script_test_LDADD): Define.
5126         * testsuite/Makefile.in: Rebuild.
5127
5128 2010-03-22  Doug Kwan  <dougkwan@google.com>
5129
5130         * arm.cc (Arm_relocate_functions::abs8,
5131         Arm_relocate_functions::abs16): Use correct check for overflow
5132         specified in the ARM ELF specs.
5133         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5134         target of a BLX instruction specially.
5135         (Reloc_stub::stub_type_for_reloc): Ditto.
5136         (Relocate::relocate): Use symbolic names instead of numeric relocation
5137         codes to report error.
5138         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5139         workaround.
5140         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5141         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5142         thumb2_blx_out_of_range.stdout
5143         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5144         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5145         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5146         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5147         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5148         thumb2_blx_in_range, thumb2_blx_in_range.o,
5149         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5150         thumb2_blx_out_of_range.o): New rules.
5151         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5152         thumb2_blx_in_range and thumb2_blx_out_of_range.
5153         * testsuite/Makefile.in: Regenerate.
5154         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5155         * testsuite/thumb_blx_in_range.s: New file.
5156         * testsuite/thumb_blx_out_of_range.s: New file.
5157
5158 2010-03-22  Rafael Espindola  <espindola@google.com>
5159
5160         * archive.cc (Should_include): Move to archive.h.
5161         (should_include_member): Make it a member of Archive.
5162         (Lib_group): New.
5163         (Add_lib_group_symbols): New.
5164         * archive.h: Include options.h.
5165         (Archive_member): Moved from Archive.
5166         (Should_include): Moved from archive.cc.
5167         (Lib_group): New.
5168         (Add_lib_group_symbols): New.
5169         * dynobj.cc (do_should_include_member): New.
5170         * dynobj.h (do_should_include_member): New.
5171         * gold.cc (queue_initial_tasks): Update call to queue.
5172         * main.cc (main): Print lib group stats.
5173         * object.cc (do_should_include_member): New.
5174         * object.h: Include archive.h.
5175         (Object::should_include_member): New.
5176         (Object::do_should_include_member): New.
5177         (Sized_relobj::do_should_include_member): New.
5178         * options.cc (General_options::parse_start_lib): New.
5179         (General_options::parse_end_lib): New.
5180         (Input_arguments::add_file): Handle lib groups.
5181         (Input_arguments::start_group): Check we are not in a lib.
5182         (Input_arguments::start_lib): New.
5183         (Input_arguments::end_lib): New.
5184         * options.h (General_options): Add start_lib and end_lib.
5185         (Input_argument::lib_): New.
5186         (Input_argument::lib): New.
5187         (Input_argument::is_lib): New.
5188         (Input_file_lib): New.
5189         (Input_arguments::in_lib_): New.
5190         (Input_arguments::in_lib): New.
5191         (Input_arguments::start_lib): New.
5192         (Input_arguments::end_lib_): New.
5193         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5194         in unused members as preempted.
5195         (Sized_pluginobj::do_should_include_member): New.
5196         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5197         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5198         return the blocker.
5199         (Read_symbols::do_whole_lib_group): New.
5200         (Read_symbols::do_lib_group): New.
5201         (Read_symbols::do_read_symbols): Handle lib groups.
5202         (Read_symbols::get_name): Handle lib groups.
5203         * readsyms.h (Read_symbols): Add an archive member pointer.
5204         (Read_symbols::do_whole_lib_group): New.
5205         (Read_symbols::do_lib_group): New.
5206         (Read_symbols::member_): New.
5207         * script.cc (read_input_script): Update call to queue_soon.
5208
5209 2010-03-19  Doug Kwan  <dougkwan@google.com>
5210
5211         * arm.cc (Stub_table::Stub_table): Initialize new data members
5212         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5213         (Stub_table::add_reloc_stub): Assign stub offset and update
5214         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5215         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5216         New data members.
5217         (Stub_table::update_data_size_and_addralign): Use
5218         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5219         instead of going over all reloc stubs.
5220         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5221         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5222         Stringpool_template::offset_ to size of Stringpool_char.
5223         (Stringpool_template::new_key_offset): Remove code to initialize
5224         Stringpool_template::offset_.
5225         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5226         Stringpool_template::offset_ to zero.
5227
5228 2010-03-15  Doug Kwan  <dougkwan@google.com>
5229
5230         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5231         offset_.
5232         (Stringpool_template::new_key_offset): New method.
5233         (Stringpool_template::add_string): Assign offsets when adding new
5234         strings.
5235         (Stringpool_template::set_string_offsets): Do not set string offsets
5236         when not optimizing.
5237         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5238         member size_.
5239         (Chunked_vector::clear): Clear size_.
5240         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5241         (Chunked_vector::size): Return size_.
5242         (Chunked_vector::push_back): Use size_ to find insert position.
5243         (Chunked_vector::size_): New data member.
5244         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5245         (Stringpool_template::new_key_offset): New method declaration.
5246         (Stringpool_template::offset_): New data member.
5247
5248 2010-03-15   Rafael Espindola  <espindola@google.com>
5249
5250         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5251         Add_symbols' constructor.
5252         * readsyms.h (Add_symbols): Remove the input_group member.
5253
5254 2010-03-10  Ian Lance Taylor  <iant@google.com>
5255
5256         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5257         target to ask whether a reference to a symbol requires a stack
5258         split.
5259         * target.h (Target::is_call_to_non_split): New function.
5260         (Target::do_is_call_to_non_split): Declare virtual function.
5261         * target.cc: Include "symtab.h".
5262         (Target::do_is_call_to_non_split): New function.
5263         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5264
5265 2010-03-10  Cary Coutant  <ccoutant@google.com>
5266
5267         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5268         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5269         (File_read::open[2]): Add whole_file_view_ to list of views.
5270         (File_read::make_view): Remove test of whole_file_view_.
5271         (File_read::find_or_make_view): Create whole_file_view_ if
5272         necessary.
5273         (File_read::clear_views): Replace bool parameter with enum;
5274         adjust all callers.  Don't delete views with permanent data;
5275         do delete cached views and views from archives if
5276         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5277         if clearing the corresponding view.
5278         * fileread.h (File_read::Clear_views_mode): New enum.
5279         (File_read::View::is_permanent_view): New method.
5280         (File_read::clear_views): Replace bool parameter
5281         with enum; adjust all callers.
5282         * options.h (General_options): Change keep_files_mapped option;
5283         add map_whole_files.
5284         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5285         releasing the file.
5286         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5287         the file.
5288
5289 2010-03-10  David S. Miller  <davem@davemloft.net>
5290
5291         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5292
5293 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5294
5295         * icf.cc (get_section_contents): Add '@' marker after processing the
5296         merge reloc.
5297
5298 2010-03-08  Doug Kwan  <dougkwan@google.com>
5299
5300         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5301         due to a conversion warning.
5302         (Arm_relobj::update_output_local_symbol_count): Check for local
5303         symbol with unset output index.
5304
5305 2010-03-05  Ian Lance Taylor  <iant@google.com>
5306
5307         * options.h (class General_options): Add --spare-dynamic-tags.
5308         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5309         --spare-dynamic-tags.
5310
5311 2010-03-05  Ian Lance Taylor  <iant@google.com>
5312
5313         * incremental.cc: Include "libiberty.h".
5314
5315 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5316
5317         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5318         function, is_info_ member.
5319         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5320         (Versions::Versions): Update caller.
5321         (Versions::define_base_version): Likewise.
5322         (Versions::add_def): Likewise.
5323
5324 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5325
5326         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5327         (Scan::possible_function_pointer_reloc): New function.
5328         (Scan::local_reloc_may_be_function_pointer): Change to call
5329         possible_function_pointer_reloc.
5330         (Scan::global_reloc_may_be_function_pointer): Ditto.
5331         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5332         relocations in ".data.rel.ro._ZTV" section.
5333         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5334         * testsuite/icf_safe_so_test.cc: Ditto.
5335         * testsuite/icf_safe_test.cc: Ditto.
5336         * testsuite/icf_safe_test.sh: Ditto.
5337
5338 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5339             Ian Lance Taylor  <iant@google.com>
5340
5341         * target-reloc.h (relocate_section): Check the symbol table index
5342         for -1U before setting the local symbol index.
5343         (scan_relocatable_relocs): If copying the relocation, record that
5344         the local symbol is required.
5345         * object.h (Symbol_value::is_output_symtab_index_set): New
5346         function.
5347         (Symbol_value::may_be_discarded_from_output_symtab): New
5348         function.
5349         (Symbol_value::has_output_symtab_entry): New function.
5350         (Symbol_value::needs_output_symtab_entry): Remove.
5351         (Symbol_value::output_symtab_index): Make sure the symbol index is
5352         set.
5353         (Symbol_value::set_output_symtab_index): Make sure the symbol
5354         index is not set.  Make sure the new index is valid.
5355         (Symbol_value::set_must_have_output_symtab_entry): New function.
5356         (Symbol_value::has_output_dynsym_entry): New function.
5357         (Symbol_value::set_output_dynsym_index): Make sure the new index
5358         is valid.
5359         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5360         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5361         local symbol if permitted.
5362         (Sized_relobj::do_finalize_local_symbols): Call
5363         is_output_symtab_index_set rather than needs_output_symtab_entry.
5364         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5365         rather than needs_output_symtab_entry.  Call
5366         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5367         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5368         is_output_symtab_index_set rather than needs_output_symtab_entry.
5369         * testsuite/discard_locals_relocatable_test.c: New file.
5370         * testsuite/discard_locals_test.sh: Test -r.
5371         * testsuite/Makefile.am (check_DATA): Add
5372         discard_locals_relocatable_test1.syms,
5373         discard_local_relocatable_test2.syms.
5374         (MOSTLYCLEANFILES): Likewise.  Also add
5375         discard_locals_relocatable_test1.lout and
5376         discard_locals_relocatable_test2.out.
5377         (discard_locals_relocatable_test1.syms): New target.
5378         (discard_locals_relocatable_test.o): New target.
5379         (discard_locals_relocatable_test1.out): New target.
5380         (discard_locals_relocatable_test2.syms): New target.
5381         (discard_locals_relocatable_test2.out): New target.
5382         (various): Add missing ../ld-new dependencies.
5383         * testsuite/Makefile.in: Rebuild.
5384
5385 2010-03-03  Nick Clifton  <nickc@redhat.com>
5386
5387         * po/fi.po: New Finnish translation.
5388
5389 2010-03-01  Doug Kwan  <dougkwan@google.com>
5390
5391         * layout.cc (Layout::Layout): Force section types of .init_array*,
5392         .preinit_array* and .fini_array* sections.
5393         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5394         Fix check of return value of std::string::find.().
5395         (Output_section::Input_section_sort_compare::operator()): Remove
5396         comment about .init_array.
5397         (Output_section::Input_section_sort_init_fini_compare::operator()):
5398         New method.
5399         (Output_section::sort_attached_input_sections): Handle .init_array
5400         and .fini_array specially.
5401         * output.h (Output_section::Inut_section_sort_compare): Update
5402         comment.
5403         (Output_section::Input_section_sort_init_fini_compare): New struct.
5404
5405 2010-02-26  Doug Kwan  <dougkwan@google.com>
5406
5407         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5408         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5409         * testsuite/debug_msg.sh: Avoid matching source line number for
5410         use of global variable undef_int.
5411
5412 2010-02-26  Doug Kwan  <dougkwan@google.com>
5413
5414         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5415         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5416         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5417         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5418         * options.cc (General_options::General_options): Initialize member
5419         fix_v4bx_.
5420         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5421         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5422         and rm_no_fix_v4bx.stdout
5423         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5424         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5425         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5426         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5427         and arm_no_fix_v4bx.
5428         * Makefile.in: Regenerate.
5429         * testsuite/arm_fix_v4bx.s: New file.
5430         * testsuite/arm_fix_v4bx.sh: Ditto.
5431
5432 2010-02-24  Doug Kwan  <dougkwan@google.com>
5433
5434         * arm.cc (Target_arm::got_section): Make the .got section the first
5435         non RELRO section in the data segment.
5436         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5437         suffixes of section names.
5438
5439 2010-02-24  Doug Kwan  <dougkwan@google.com>
5440
5441         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5442         flags and attributes merging if an input file is a binary file.
5443         * fileread.cc (Input_file::open): Record format of original file.
5444         * fileread.h (Input_file::Format): New enum type.
5445         (Input_file::Input_file): Initialize data member format_.
5446         (Input_file::format): New method definition.
5447         (Input_file::format_):: New data member.
5448
5449 2010-02-24  Doug Kwan  <dougkwan@google.com>
5450
5451         * arm.cc (Arm_output_data_got): New class.
5452         (ARM_TCB_SIZE): New constant
5453         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5454         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5455         If user uses a script with a SECTIONS clause, issue only a warning
5456         for a misplaced EXIDX input section.  Otherwise, issue an error.
5457         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5458         garbage collection.
5459         (Target_arm::got_mode_index_entry): Handle static linking.
5460         (Target_arm::Scan::local): Ditto.
5461         (Target_arm::Scan::global): Ditto.
5462         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5463         all incorrectly implemented relocations.
5464         (Target_arm::fix_exidx_coverage): Pass layout to
5465         Arm_output_section::fix_exidx_coverage.
5466         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5467         from ".ARM.exidx." and ".ARM.extab.".
5468
5469 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5470
5471         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5472         section if it does not already exist.
5473         * attributes.cc (Attributes_section_data::Attributes_section_data):
5474         Don't crash if size is zero.
5475
5476 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5477             Ian Lance Taylor  <iant@google.com>
5478
5479         * gold.cc (queue_middle_tasks): If no input files were opened,
5480         exit.
5481         * workqueue.h (Task_function::Task_function): Assert that there is
5482         a blocker.
5483
5484 2010-02-22  Doug Kwan  <dougkwan@google.com>
5485
5486         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5487         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5488         types to avoid warnings due to different uint64_t implementations
5489         on different hosts.
5490
5491 2010-02-21  Doug Kwan  <dougkwan@google.com>
5492
5493         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5494         handling of the maximum backward branch offset.
5495         (Arm_relocate_functions::thumb_branch_common): Ditto.
5496         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5497         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5498         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5499         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5500         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5501         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5502         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5503         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5504         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5505         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5506         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5507         thumb2_bl_out_of_range.o): New rules.
5508         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5509         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5510         thumb2_bl_out_of_range
5511         * testsuite/Makefile.in: Regenerate.
5512         * testsuite/arm_bl_in_range.s: New file.
5513         * testsuite/arm_bl_out_of_range.s: Ditto.
5514         * testsuite/arm_branch_in_range.sh: Ditto.
5515         * testsuite/arm_branch_range.t: Ditto.
5516         * testsuite/thumb2_branch_range.t: Ditto.
5517         * testsuite/thumb_bl_in_range.s: Ditto.
5518         * testsuite/thumb_bl_out_of_range.s: Ditto.
5519         * testsuite/thumb_branch_range.t: Ditto.
5520
5521 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5522
5523         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5524         Add reloc offset information.
5525         * icf.cc (get_section_contents): Change iterators to point to the new
5526         vectors. Add reloc offset information to the contents.
5527         * icf.h (Icf::Sections_reachable_info): New typedef.
5528         (Icf::Sections_reachable_list): New typedef.
5529         (Icf::Offset_info): New typedef.
5530         (Icf::Reloc_info): New struct typedef.
5531         (Icf::Reloc_info_list): New typedef.
5532         (Icf::symbol_reloc_list): Delete method.
5533         (Icf::addend_reloc_list): Delete method.
5534         (Icf::section_reloc_list): Delete method.
5535         (Icf::reloc_info_list): New method.
5536         (Icf::reloc_info_list_): New member.
5537
5538 2010-02-19  Doug Kwan  <dougkwan@google.com>
5539
5540         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5541         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5542         * arm.cc (Arm_relocation_functions): New forward declaration.
5543         (Target_arm::Target_arm): Initialize new data members
5544         got_mod_index_offset_ and tls_base_symbol_defined_.
5545         (Target_arm::Relocate::relocate_tls): New method.
5546         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5547          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5548         New methods.
5549         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5550         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5551         (Target_arm::got_mod_index_offset_,
5552         Target_arm::tls_base_symbol_defined_): New data members.
5553         (Target_arm::Scan::local, Target::Scan::global,
5554         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5555         relocations.
5556
5557 2010-02-18  Doug Kwan  <dougkwan@google.com>
5558
5559         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5560         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5561         text section as a parameter becuase some broken tools may not set
5562         the link in section header.
5563         (Target_arm::has_got_section): New method.
5564         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5565         without any mapping symbol as data only.  Remove warning.
5566         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5567         link in its section header, try to discover the link by inspecting the
5568         REL31 relocation at the beginning of the section.
5569         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5570         in error message.
5571         (Target_arm::Scan::global): Treat any reference to the symbol
5572         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5573
5574 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5575
5576         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5577         (Scan::global_reloc_may_be_function_pointer): New function.
5578         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5579         (Scan::global_reloc_may_be_function_pointer): New function.
5580         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5581         (Scan::global_reloc_may_be_function_pointer): New function.
5582         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5583         (Scan::global_reloc_may_be_function_pointer): New function.
5584         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5585         (Scan::global_reloc_may_be_function_pointer): New function.
5586         (Scan::possible_function_pointer_reloc): New function.
5587         (Target_x86_64::can_check_for_function_pointers): New function.
5588         * gc.h (gc_process_relocs): Scan relocation types to determine if
5589         function pointers were taken for targets that support it.
5590         * icf.cc (Icf::find_identical_sections): Include functions for
5591         folding in safe ICF whose pointer is not taken.
5592         * icf.h (Secn_fptr_taken_set): New typedef.
5593         (fptr_section_id_): New member.
5594         (section_has_function_pointers): New function.
5595         (set_section_has_function_pointers): New function.
5596         (check_section_for_function_pointers): New function.
5597         * options.h: Fix comment for safe ICF option.
5598         * target.h (can_check_for_function_pointers): New function.
5599         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5600         Modify icf_safe_test for X86-64.
5601         * testsuite/Makefile.in: Regenerate.
5602         * testsuite/icf_safe_so_test.cc: New file.
5603         * testsuite/icf_safe_so_test.sh: New file.
5604         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5605         (main): Change to take pointer to function kept_func_3.
5606         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5607         folding is done correctly for X86-64.
5608
5609 2010-02-12  David S. Miller  <davem@davemloft.net>
5610
5611         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5612         is_symbolless parameter.
5613         (Output_reloc<SHT_REL>::is_symbolless): New.
5614         (Output_reloc<SHT_REL>::is_symbolless_): New.
5615         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5616         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5617         (Output_reloc<SHT_RELA>::is_symbolless): New.
5618         (Output_data_reloc::add_global): Handle is_symbolless.
5619         (Output_data_reloc::add_global_relative): Likewise.
5620         (Output_data_reloc::add_local): Likewise.
5621         (Output_data_reloc::add_local_relative): Likewise.
5622         (Output_data_reloc::add_symbolless_global_addend): New.
5623         (Output_data_reloc::add_symbolless_local_addend): New.
5624         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5625         is_symbolless.
5626         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5627         instead of ->is_relative_
5628         (Output_reloc::write): Likewise.
5629         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5630         (Output_reloc::write_rel): Simplify.
5631
5632         * sparc.cc (Target_sparc::Scan::local): Use
5633         ->add_symbolless_local_addend as needed.
5634         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5635         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5636         based upon relocation offset.
5637
5638 2010-02-11  Doug Kwan  <dougkwan@google.com>
5639
5640         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5641         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5642         beginning of function.
5643         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5644         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5645         parameter is_32bit in calls to should_apply_static_reloc.
5646         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5647         (check_DATA): Add arm_abs_global.stdout.
5648         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5649         arm_abs_global.stdout): New rules.
5650         (MOSTLLYCLEANFILES): Add arm_abs_global
5651         * Makefile.in: Regenerate.
5652         * testsuite/arm_abs_global.s: New file.
5653         * testsuite/arm_abs_global.sh: Ditto.
5654         * testsuite/arm_abs_lib.s: Ditto.
5655
5656 2010-02-11  Ian Lance Taylor  <iant@google.com>
5657
5658         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5659         Read_relocs task.
5660         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5661         Allocate_commons_task first.
5662         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5663         task, rather than symtab_lock_.
5664         (Gc_process_relocs::~Gc_process_relocs): New function.
5665         (Gc_process_relocs::is_runnable): Check this_blocker_.
5666         (Gc_process_relocs::locks): Use next_blocker_ rather than
5667         blocker_.
5668         (Scan_relocs::~Scan_relocs): New function.
5669         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5670         symtab_lock_.
5671         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5672         next_blocker_.
5673         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5674         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5675         constructor accordingly.
5676         (class Gc_process_relocs): Likewise.
5677         (class Scan_relocs): Likewise.
5678         * common.h (class Allocate_commons_task): Remove symtab_lock_
5679         field, and corresponding constructor parameter.
5680         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5681         symtab_lock_.
5682         (Allocate_commons_task::locks): Likewise.
5683
5684 2010-02-11  Ian Lance Taylor  <iant@google.com>
5685
5686         * gold-threads.h (class Once): Define.
5687         (class Initialize_lock): Rewrite as child of Once.
5688         * gold-threads.cc (class Once_initialize): Define.
5689         (once_pointer_control): New static variable.
5690         (once_pointer, once_arg): New static variables.
5691         (c_run_once): New static function.
5692         (Once::Once, Once::run_once, Once::internal_run): New functions.
5693         (class Initialize_lock_once): Remove.
5694         (initialize_lock_control): Remove.
5695         (initialize_lock_pointer): Remove.
5696         (initialize_lock_once): Remove.
5697         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5698         (Initialize_lock::initialize): Rewrite.
5699         (Initialize_lock::do_run_once): New function.
5700         * archive.cc (Archive::interpret_header): Only clear name if it is
5701         not already empty.
5702         * fileread.cc: Include "gold-threads.h"
5703         (file_counts_lock): New static variable.
5704         (file_counts_initialize_lock): Likewise.
5705         (File_read::release): Only increment counts when using --stats.
5706         Use a lock around the increment.
5707         * parameters.cc (class Set_parameters_target_once): Define.
5708         (set_parameters_target_once): New static variable.
5709         (Parameters::Parameters): Move here from parameters.h.
5710         (Parameters::set_target): Rewrite.
5711         (Parameters::set_target_once): New function.
5712         (Parameters::clear_target): Move here and rewrite.
5713         * parameters.h (class Parameters): Update declarations.  Add
5714         set_parameters_target_once_ field.
5715         (Parameters::Parameters): Move to parameters.cc.
5716         (Parameters::clear_target): Likewise.
5717         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5718         task.
5719         (Start_group::~Start_group): New function.
5720         (Start_group::is_runnable): New function.
5721         (Start_group::locks, Start_group::run): New functions.
5722         (Finish_group::run): Change saw_undefined to size_t.
5723         * readsyms.h (class Start_group): Define.
5724         (class Finish_group): Change saw_undefined_ field to size_t.
5725         (Finish_group::Finish_group): Remove saw_undefined and
5726         this_blocker parameters.  Change all callers.
5727         (Finish_group::set_saw_undefined): New function.
5728         (Finish_group::set_blocker): New function.
5729         * symtab.h (class Symbol_table): Change saw_undefined to return
5730         size_t.  Change saw_undefined_ field to size_t.
5731         * target-select.cc (Set_target_once::do_run_once): New function.
5732         (Target_selector::Target_selector): Initialize set_target_once_
5733         field.  Don't initialize lock_ and initialize_lock_ fields.
5734         (Target_selector::instantiate_target): Rewrite.
5735         (Target_selector::set_target): New function.
5736         * target-select.h (class Set_target_once): Define.
5737         (class Target_selector): Update declarations.  Make
5738         Set_target_once a friend.  Remove lock_ and initialize_lock_
5739         fields.  Add set_target_once_ field.
5740
5741 2010-02-10  Ian Lance Taylor  <iant@google.com>
5742
5743         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5744         queueing any tasks.
5745         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5746         (queue_middle_tasks): Add all blockers before queueing any tasks.
5747         (queue_final_tasks): Likewise.
5748         * token.h (Task_token::add_blockers): New function.
5749         * object.h (Input_objects::number_of_relobjs): New function.
5750
5751 2010-02-10  Ian Lance Taylor  <iant@google.com>
5752
5753         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5754         shared, not if not position independent.
5755         * x86_64.cc (Relocate::relocate_tls): Likewise.
5756         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5757         (tls_pie_pic_test): New target.
5758         * testsuite/Makefile.in: Rebuild.
5759
5760         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5761         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5762         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5763         * testsuite/Makefile.in: Rebuild.
5764
5765 2010-02-09  David S. Miller  <davem@davemloft.net>
5766
5767         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5768         R_SPARC_RELATIVE using ->add_local_relative().
5769         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5770
5771         * output.h (Output_data_dynamic::add_section_size): New method
5772         that takes two Output_data objects.
5773         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5774         entry param.  Handle it in initializers.
5775         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5776         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5777         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5778         arg.
5779         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5780         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5781         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5782         for dynrel_includes_plt.
5783         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5784         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5785         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5786         before .rela.plt
5787         (Target_sparc::do_finalize_sections): Update to pass true for
5788         dynrel_includes_plt.
5789         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5790         output before .rela.plt
5791         (Target_powerpc::do_finalize_sections): Update to pass true for
5792         dynrel_includes_plt when 32-bit.
5793
5794 2010-02-08  Doug Kwan  <dougkwan@google.com>
5795
5796         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5797         method.
5798         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5799         Arm_relobj::scan_section_for_cortex_a8_stubs,
5800         Arm_relobj::do_relocation_section): Instead of calling
5801         Output_section::output_address, use faster
5802         Arm_relobj::simple_input_section_output_address.
5803
5804 2010-02-08  David S. Miller  <davem@davemloft.net>
5805
5806         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5807         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5808         relocation helper function.
5809
5810         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5811         just like R_SPARC_GOT{10,13,22}.
5812         (Target_sparc::Scan::local): Likewise.
5813         (Target_sparc::Relocate:relocate): Likewise.
5814
5815 2010-02-06  Ian Lance Taylor  <iant@google.com>
5816
5817         * configure.ac: Rewrite targetobjs duplicate removal code to use
5818         only shell constructs.
5819         * configure: Rebuild.
5820
5821 2010-02-05  Doug Kwan  <dougkwan@google.com>
5822
5823         PR 11247
5824         * arm.cc (Arm_relobj::section_is_scannable): New method.
5825         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5826         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5827
5828 2010-02-04  Doug Kwan  <dougkwan@google.com>
5829
5830         PR 11247
5831         * arm-reloc-property.cc (cstdio): Include.
5832         * configure.ac (targetobjs): Remove duplicates.
5833         * configure: Regenerate.
5834         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5835         big and little endian version for a given address size.
5836
5837 2010-02-03  Doug Kwan  <dougkwan@google.com>
5838
5839         * arm-reloc-property.cc
5840         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5841         definition.
5842         * arm-reloc-property.h
5843         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5844         New method definition.
5845         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5846         declaration.
5847         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5848         overflow to N.
5849         (GOT_PREL): Change implemented to Y.
5850         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5851         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5852         (Arm_relocate_functions::movw_abs_nc): Remove method.
5853         (Arm_relocate_functions::movt_abs): Ditto.
5854         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5855         (Arm_relocate_functions::thm_movt_abs): Ditto.
5856         (Arm_relocate_functions::movw_rel_nc): Ditto.
5857         (Arm_relocate_functions::movw_rel): Ditto.
5858         (Arm_relocate_functions::movt_rel): Ditto.
5859         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5860         (Arm_relocate_functions:thm_movw_rel): Ditto.
5861         (Arm_relocate_functions:thm_movt_rel): Ditto.
5862         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5863         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5864         New method definitions.
5865         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5866         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5867         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5868         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5869         (Target_arm::Relocate::relocate): Check for non-static or
5870         unimplemented relocation code and exit early.  Change calls to
5871         Target_arm::reloc_uses_thumb_bit and
5872         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5873         instead.  Refactor code to handle similar relocations to increase
5874         code sharing.  Remove check for unsupported relocation code in switch
5875         statement.
5876         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5877         relocation property table to find out size.  Change error message to
5878         print out the name of a relocation code instead of the numeric value.
5879         (Target_arm::scan_reloc_for_stub): Use relocation property table
5880         instead of calling Target_arm::reloc_uses_thumb_bit().
5881
5882 2010-02-02  Doug Kwan  <dougkwan@google.com>
5883
5884         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5885         types of relaxed input section.
5886
5887 2010-02-02  Doug Kwan  <dougkwan@google.com>
5888
5889         * Makefile.am (HFILES): Add arm-reloc-property.h.
5890         (DEFFILES): New.
5891         (TARGETSOURCES): Add arm-reloc-property.cc
5892         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5893         (libgold_a_SOURCES): $(DEFFILES)
5894         * Makefile.in: Regenerate.
5895         * arm-reloc-property.cc: New file.
5896         * arm-reloc-property.h: New file.
5897         * arm-reloc.def: New file.
5898         * arm.cc: Update comments.
5899         (arm-reloc-property.h): New included header.
5900         (arm_reloc_property_table): New global variable.
5901         (Target_arm::do_select_as_default_target): New method definition.
5902         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5903         arm-reloc-property to targ_extra_obj.
5904         * parameters.cc (set_parameters_target): Call
5905         Target::select_as_default_target().
5906         * target.h (Target::select_as_default_target): New method definition.
5907         (Target::do_select_as_default_target): Same.
5908
5909 2010-02-01  Doug Kwan  <dougkwan@google.com>
5910
5911         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5912         first_output_text_section_.
5913         (Arm_exidx_fixup::first_output_text_section): New method definition.
5914         (Arm_exidx_fixup::first_output_text_section_): New data member.
5915         (Arm_exidx_fixup::process_exidx_section): Record the first text
5916         output section seen.
5917         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5918         and entsize in output section header.
5919
5920 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5921
5922         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5923         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5924         (Arm_relocate_functions::thm_alu11): New Method.
5925         (Arm_relocate_functions::thm_pc8): New Method.
5926         (Arm_relocate_functions::thm_pc12): New Method.
5927         (Target_arm::Scan::local): Handle the relocations.
5928         (Target_arm::Scan::global): Likewise.
5929         (Target_arm::Relocate::relocate): Likewise.
5930         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5931
5932 2010-01-29  Doug Kwan  <dougkwan@google.com>
5933
5934         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5935         of relocation types as ld.
5936
5937 2010-01-29  Doug Kwan  <dougkwan@google.com>
5938
5939         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5940         to public.
5941         (Arm_relocate_functions::thumb_branch_common): Ditto.
5942         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5943         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5944         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5945         Arm_relocate_functions::jump24): Remove.
5946         (Target_arm::Relocate::relocate): Adjust code to call
5947         Arm_relocation_functions::arm_branch_common and
5948         Arm_relocation_functions::thumb_branch_common instead of their removed
5949         wrappers.  Merge switch-cases together to reduce source code size.
5950
5951 2010-01-29  Doug Kwan  <dougkwan@google.com>
5952
5953         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5954         output_local_symbol_count_needs_update_.
5955         (Arm_relobj::output_local_symbol_count_needs_update,
5956          Arm_relobj::set_output_local_symbol_count_needs_update,
5957          Arm_relobj::update_output_local_symbol_count): New methods.
5958         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5959         member.
5960         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5961         of pointed function as in a R_ARM_PREL31 relocation.
5962         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5963         for output local symbol count updating.
5964         (Target_arm::do_relax): Update output local symbol counts in objects
5965         if necessary.
5966         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5967
5968 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5969
5970         * arm.cc: Added support for the ARM relocations:
5971         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5972         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5973         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5974         movw_prel_nc).
5975         (Arm_relocate_functions::movw_rel): New method.
5976         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5977         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5978         thm_movw_prel_nc).
5979         (Arm_relocate_functions::thm_movw_rel): New method.
5980         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5981         thm_movt_prel).
5982         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5983         relocations.
5984         (Target_arm::Scan::global): Likewise.
5985         (Target_arm::Relocate::relocate): Likewise.
5986         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5987         Likewise.
5988
5989 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5990
5991         * arm.cc: Added support for ARM group relocations.
5992         (Target_arm::reloc_needs_sym_origin): New method.
5993         (Arm_relocate_functions::calc_grp_kn): New method.
5994         (Arm_relocate_functions::calc_grp_residual): New method.
5995         (Arm_relocate_functions::calc_grp_gn): New method.
5996         (Arm_relocate_functions::arm_grp_alu): New Method.
5997         (Arm_relocate_functions::arm_grp_ldr): New Method.
5998         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5999         (Arm_relocate_functions::arm_grp_ldc): New Method.
6000         (Target_arm::Scan::local): Handle the ARM group relocations.
6001         (Target_arm::Scan::global): Likewise.
6002         (Target_arm::Relocate::relocate): Likewise.
6003         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6004         Likewise.
6005
6006 2010-01-26  Doug Kwan  <dougkwan@google.com>
6007
6008         * arm.cc (set): Include.
6009         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6010         pointer type.
6011         (Arm_output_section::Text_section_list): New type.
6012         (Arm_output_section::append_text_sections_to_list): New method.
6013         (Arm_output_section::fix_exidx_coverage): Ditto.
6014         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6015         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6016         Relobj::set_section_offset() instead of
6017         Sized_relobj::invalidate_section_offset().
6018         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6019         parameter for section headers. Ignore relocation sections for
6020         unallocated sections and EXIDX sections.
6021         (Target_arm::fix_exidx_coverage): New method.
6022         (Target_arm::output_section_address_less_than): New type.
6023         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6024         linked text section instead of the EXIDX section.
6025         (Arm_output_section::create_stub_group): Add an assertion to check
6026         that this is not an EXIDX output section.
6027         (Arm_output_section::append_text_sections_to_list): New method.
6028         (Arm_output_section::fix_exidx_coverage): Ditto.
6029         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6030         Arm_relobj::section_needs_reloc_stub_scanning.
6031         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6032         first pass.
6033         (Target_arm::fix_exidx_coverage): New method.
6034         * object.h (Relobj::set_output_section): New method.
6035         (Sized_relobj::invalidate_section_offset): Remove method.
6036         (Sized_relobj::do_invalidate_section_offset): Remove method.
6037         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6038
6039 2010-01-25  Doug Kwan  <dougkwan@google.com>
6040
6041         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6042         Fix warning due to signed and unsigned comparison on a 32-bit host.
6043
6044 2010-01-22  Doug Kwan  <dougkwan@google.com>
6045
6046         * arm.cc (Target_arm::do_relax): Record an output section for section
6047         offset adjustment it contains any stub table that has changed.
6048         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6049         offsets in an output section if necessary.
6050         * output.cc (Output_section::Output_section): Initialize
6051         section_offsets_need_adjustments_.
6052         (Output_section::add_input_section_for_script): Renamed to
6053         Output_section::add_simple_input_section.
6054         (Output_section::save_states): Add a comment.
6055         (Output_section::discard_states): New method defintion.
6056         (Output_section::adjust_section_offsets): Same.
6057         * output.h (Output_section::add_input_section_for_script): Renamed to
6058         Output_section::add_simple_input_section.
6059         (Output_section::discard_states): New method declaration.
6060         (Output_section::adjust_section_offsets): Same.
6061         (Output_section::section_offsets_need_adjustment,
6062         Output_section::set_section_offsets_need_adjustment): New method
6063         definitions.
6064         (Output_section::section_offsets_need_adjustment_): New data member.
6065         * script-sections.cc
6066         (Output_section_element_input::set_section_address): Adjust code for
6067         renaming of Output_section::add_input_section_for_script.
6068         (Orphan_output_section::set_section_address): Same.
6069
6070 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6071
6072         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6073         Fix_v4bx enum values .
6074         * gold/options.h (General_options): New option definitions.
6075         (General_options::fix_v4bx): New method.
6076         (General_options::Fix_v4bx): New enum.
6077         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6078         (General_options::parse_fix_v4bx_interworking): New method.
6079
6080 2010-01-22  Doug Kwan  <dougkwan@google.com>
6081
6082         * arm.cc (Arm_exidx_fixup): New class.
6083
6084 2010-01-21  Doug Kwan  <dougkwan@google.com>
6085
6086         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6087         classes.
6088         (Arm_exidx_section_offset_map): New type.
6089
6090 2010-01-21  Doug Kwan  <dougkwan@google.com>
6091
6092         * arm.cc (Arm_exidx_input_section): New class.
6093         (Arm_relobj::exidx_input_section_by_link,
6094         Arm_relobj::exidx_input_section_by_shndx,
6095         Arm_relobj::make_exidx_input_section): New methods.
6096         (read_arm_attributes_section): Remove.
6097         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6098         information about them.
6099         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6100         to here.
6101
6102 2010-01-20  Doug Kwan  <dougkwan@google.com>
6103
6104         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6105         Input_section_specifier to Section_id.
6106         (Target_arm::new_arm_input_section: Adjust code for change of key
6107         type.
6108         (Target_arm::find_arm_input_section): Ditto.
6109         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6110         (Section_id): Remove.
6111         (Garbage_collection::Section_id_hash): Remove.
6112         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6113         (Section_id): Remove.
6114         (Icf::Section_id_hash): Remove.
6115         * object.h (Section_id, Const_section_id, Section_id_hash,
6116         Const_section_id_hash): New type definitions.
6117         * output.cc (Output_section::add_relaxed_input_section): Change to
6118         use Const_section_id instead of Input_section_specifier as key type.
6119         (Output_section::add_merge_input_section): Ditto.
6120         (Output_section::build_relaxation_map): Change to use Section_id
6121         instead of Input_section_specifier as key type.
6122         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6123         Ditto.
6124         (Output_section::convert_input_sections_to_relaxed_sections): Change
6125         to use Const_section_id instead of Input_section_specifier as key type.
6126         (Output_section::find_merge_section): Ditto.
6127         (Output_section::find_relaxed_input_section): Ditto.
6128         * output.h (Input_section_specifier): Remove class.
6129         (Output_section::Output_section_data_by_input_section_map): Change
6130         key type to Const_section_id.
6131         (Output_section::Output_relaxed_input_section_by_input_section_map):
6132         Ditto.
6133         (Output_section::Relaxation_map): Change key type to Section_id.
6134
6135 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6136
6137         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6138         (class Arm_v4bx_stub): New class.
6139         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6140         (Stub_factory::make_arm_v4bx_stub): New method.
6141         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6142         (Stub_table::empty): Handle v4bx stubs.
6143         (Stub_table::add_arm_v4bx_stub): New method.
6144         (Stub_table::find_arm_v4bx_stub): New method.
6145         (Arm_relocate_functions::v4bx): New method.
6146         (Target_arm::fix_v4bx): New method.
6147         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6148         (Stub_table::relocate_stubs): Likewise.
6149         (Stub_table::do_write): Likewise.
6150         (Stub_table::update_data_size_and_addralign): Likewise.
6151         (Stub_table::finalize_stubs):  Likewise.
6152         (Target_arm::Scan::local): Likewise.
6153         (Target_arm::Scan::global): Likewise.
6154         (Target_arm::do_finalize_sections): Likewise.
6155         (Target_arm::Relocate::relocate): Likewise.
6156         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6157         Likewise.
6158         (Target_arm::scan_reloc_for_stub): Likewise.
6159         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6160
6161 2010-01-19  Ian Lance Taylor  <iant@google.com>
6162
6163         * output.cc (Output_section_headers::do_sized_write): Write large
6164         segment count to sh_info field.
6165         (Output_file_header::do_sized_write): For large segment count,
6166         write PN_XNUM to e_phnum field.
6167
6168 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6169
6170         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6171         (Arm_relocate_functions::thm_jump8): New function.
6172         (Arm_relocate_functions::thm_jump11): New function.
6173         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6174         R_ARM_THM_JUMP11.
6175         (Target_arm::Scan::global): Likewise.
6176         (Target_arm::Relocate::relocate): Likewise.
6177         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6178         Likewise.
6179
6180 2010-01-14  Doug Kwan  <dougkwan@google.com>
6181
6182         * arm.cc (map, utility): Include headers.
6183         (Target_arm::apply_cortex_a8_workaround): New method.
6184         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6185         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6186         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6187         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6188         the --[no-]fix-cortex-a8 command line options.
6189         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6190         (Target_arm::relocate_stub): Use addend in instruction template.
6191         * options.h (DEFINE_bool): Set the user-set flag.
6192         (General_options): Add --[no-]-fix-cortex options.
6193         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6194         : Update fast look-up map after conversion.
6195
6196 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6197
6198         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6199         in the first pass of do_layout.
6200
6201 2010-01-13  Doug Kwan  <dougkwan@google.com>
6202
6203         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6204         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6205         apparent compiler problem of not folding static constant integral
6206         data members of elfcpp::Elf_sizes<32>.
6207
6208 2010-01-13  Doug Kwan  <dougkwan@google.com>
6209
6210         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6211         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6212         Arm_relobj::scan_section_for_cortex_a8_erratum,
6213         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6214         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6215         sections to scan for relocation stubs into a new method
6216         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6217         relocation and Cortex-A8 stub scanning.
6218         (Target_arm::do_relax): Force stubs to be after stubbed sections
6219         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6220         the beginning of a new relaxation pass.  Update a comment.
6221         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6222
6223 2010-01-12  Ian Lance Taylor  <iant@google.com>
6224
6225         * target-reloc.h (visibility_error): New inline function.
6226         (relocate_section): Call visibility_error.
6227         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6228         (MOSTLYCLEANFILES): Likewise.
6229         (protected_4_pic.o, protected_3.err): New targets.
6230         * testsuite/protected_4.cc: New file.
6231
6232 2010-01-12  Doug Kwan  <dougkwan@google.com>
6233
6234         * arm.cc (Cortex_a8_reloc): New class.
6235         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6236         and cortex_a8_relocs_info_.
6237         (Target_arm::fix_cortex_a8): New method definition.
6238         (Target_arm::Cortex_a8_relocs_info): New type.
6239         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6240         New data member declarations.
6241         (Target_arm::scan_reloc_for_stub): Record information about
6242         relocations for THUMB branches that might be exempted from the
6243         Cortex-A8 workaround.
6244         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6245         at the beginning of a relaxation pass.
6246
6247 2010-01-12  Doug Kwan  <dougkwan@google.com>
6248
6249         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6250         (Arm_relobj::Mapping_symbol_position,
6251          Arm_reloj::Mapping_symbol_position_less,
6252          Arm_relobj::Mapping_symbols_info): New types.
6253         (Target_arm::is_mapping_symbol_name): New method definition.
6254         (Arm_relobj::do_count_local_symbols): Save information about mapping
6255         symbols.
6256
6257 2010-01-11  Doug Kwan  <dougkwan@google.com>
6258
6259         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6260         Arm_relocate_functions::thumb32_branch_upper,
6261         Arm_relocate_functions::thumb32_branch_lower,
6262         Arm_relocate_functions::thumb32_cond_branch_offset,
6263         Arm_relocate_functions::thumb32_cond_branch_upper,
6264         Arm_relocate_functions::thumb32_cond_branch_lower,
6265         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6266         branch offset encoding.
6267         (Arm_relocate_functions::thumb_branch_common): Use new branch
6268         offset encoding methods to avoid code duplication.
6269         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6270         (Stub_addend_reader::operator()): Use new branch encoding method
6271         to avoid code duplication.
6272
6273 2010-01-11  Doug Kwan  <dougkwan@google.com>
6274
6275         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6276         (Target_arm::do_finalize_sections): Define special EXIDX section
6277         symbols only if referenced.
6278         * gc.h (Garbage_collection::add_reference): New method.
6279         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6280         code duplication.
6281
6282 2010-01-11  Ian Lance Taylor  <iant@google.com>
6283
6284         * script.cc (Version_script_info::build_expression_list_lookup):
6285         Change complaing about duplicate wildcard match from error to
6286         warning.
6287
6288         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6289         of 2009-12-30.
6290         (Version_script_info::Version_script_info): Initialize globs_,
6291         default_version_, default_is_global_, and exact_.  Don't
6292         initialize globals_ or locals_.
6293         (Version_script_info::build_lookup_tables): Build local symbols
6294         first.
6295         (Version_script_info::unquote): New function.
6296         (Version_script_info::add_exact_match): New function.
6297         (Version_script_info::build_expression_list_lookup): Remove lookup
6298         parameter.  Add is_global parameter.  Change all callers.  Handle
6299         wildcard pattern specially.  Unquote pattern.  Call
6300         add_exact_match.
6301         (Version_script_info::get_name_to_match): New function.
6302         (Version_script_info::get_symbol_version): New function.
6303         (Version_script_info::get_symbol_version_helper): Remove.
6304         (Version_script_info::check_unmatched_names): Call unquote.
6305         * script.h (class Version_script_info): Change get_symbol_version
6306         to be non-inline and add is_global parameter; change all callers.
6307         Rewrite symbol_is_local.  Update declarations.  Define struct
6308         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6309         Remove globals_ and locals_ members.  Add exact_, globs_,
6310         default_version_, is_global_.
6311         (Version_script_info::Glob): Remove pattern, add expression and
6312         is_global.  Update constructor.  Change all callers.
6313         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6314         default version.
6315         (Versions::symbol_section_contents): If a symbol is undefined, or
6316         defined in a dynamic object, set the version index to
6317         VER_NDX_LOCAL.
6318         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6319         symbol_is_local.
6320         (Symbol_table::add_from_pluginobj): Likewise.
6321         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6322
6323 2010-01-11  Doug Kwan  <dougkwan@google.com>
6324
6325         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6326         (incremental_dump_LDADD): Add linking option for libintl.
6327         * Makefile.in: Regenerate.
6328
6329 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6330
6331         PR gold/11144
6332         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6333         instead of -Ds.
6334         * testsuite/Makefile.in: Regenerated.
6335
6336 2010-01-10  Doug Kwan  <dougkwan@google.com>
6337
6338         * options.h (DEFINE_var): Use parentheses around argument varname__
6339         in macro body to avoid any unintended subsequent substitutions.
6340
6341 2010-01-10  Ian Lance Taylor  <iant@google.com>
6342
6343         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6344         candidates before doing symbol resolution.
6345
6346         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6347         ODR candidates if only one is weak.
6348
6349 2010-01-08  Ian Lance Taylor  <iant@google.com>
6350
6351         * script.cc (Version_script_info::build_expression_list_lookup):
6352         Don't warn about ambiguous version, just record the ambiguity.
6353         (Version_script_info::get_symbol_version_helper): Give error if
6354         version is ambiguous.
6355
6356 2010-01-08  Doug Kwan  <dougkwan@google.com>
6357
6358         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6359           prev_data_size_ and prev_addralign_.  Remove initializer for
6360           deleted data member has_been_changed_.
6361           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6362           to determine if the table is empty.
6363           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6364           Remove.
6365           (Stub_table::add_reloc_stub): Define method in class definition
6366           instead of just declaring it there.
6367           (Stub_table::add_cortex_a8_stub): New method definition.
6368           (Stub_table::update_data_size_and_addralign): Ditto.
6369           (Stub_table::finalize_stubs): Ditto.
6370           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6371           (Stub_table::do_addralign_): Return address alignment in the
6372           (Stub_table::do_reset_address_and_file_offset): Define method in
6373           class definition instead of declaring it there.  Set current data
6374           size to be the data size of the previous pass.
6375           (Stub_table::set_final_data_size): Use current data size as the
6376           final data size.
6377           (Stub_table::relocate_stub): Change parameter type of stub from
6378           Reloc_stub pointer to Stub pointer.
6379           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6380           (Stub_table::Cortex_a8_stub_list): New typedef.
6381           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6382            Stub_table::prev_addralign_): New data member.
6383           (Arm_relobj::Arm_relobj): Initialize data member
6384           section_has_cortex_a8_workaround_.
6385           (Arm_relobj::section_has_cortex_a8_workaround,
6386            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6387            definitions.
6388           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6389           declarations.
6390           (Target_arm::relocate_stub): Change parameter type of stub from
6391           Reloc_stub pointer to Stub pointer.
6392           (Insn_template::size, Insn_template::alignment): Handle
6393           THUMB16_SPECIAL_TYPE.
6394           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6395            Stub_table::update_data_size_and_addralign,
6396            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6397           definitions.
6398           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6399           (Stub_table::do_write): Ditto.
6400           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6401
6402 2010-01-08  Ian Lance Taylor  <iant@google.com>
6403
6404         PR 11108
6405         * symtab.h (class Symbol): Remove fields is_target_special_ and
6406         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6407         (Symbol::is_defined_in_discarded_section): New function.
6408         (Symbol::set_is_defined_in_discarded_section): New function.
6409         (Symbol::has_plt_offset): Rewrite.
6410         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6411         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6412         Don't initialize is_target_special_ or has_plt_offset_.
6413         Initialize is_defined_in_discarded_section_.
6414         (Symbol_table::add_from_relobj): If appropriate, set
6415         is_defined_in_discarded_section.
6416         * resolve.cc (Symbol::override_base_with_special): Don't test
6417         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6418         * target-reloc.h (relocate_section): Do special handling for
6419         symbols defined in discarded sections for global symbols as well
6420         as local symbols.
6421
6422 2010-01-08  Ian Lance Taylor  <iant@google.com>
6423
6424         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6425         the SHT_SYMTAB case.
6426
6427 2010-01-08  Ian Lance Taylor  <iant@google.com>
6428
6429         * object.cc (Sized_relobj::do_layout): Don't get confused if
6430         layout_eh_frame returns NULL.
6431
6432 2010-01-08  Ian Lance Taylor  <iant@google.com>
6433
6434         PR 11084
6435         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6436         dynamic symbol table, use the normal symbol table.
6437         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6438         symbol table.
6439
6440 2010-01-08  Ian Lance Taylor  <iant@google.com>
6441
6442         PR 11072
6443         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6444         sections.
6445
6446 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6447
6448         * version.cc (print_version): Change to "Copyright 2010".
6449
6450 2010-01-08  Ian Lance Taylor  <iant@google.com>
6451
6452         PR 10287
6453         PR 11063
6454         * i386.cc (class Target_i386): Change return type of plt_section
6455         to be non-const.
6456         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6457         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6458         tls_desc_rel_ field.
6459         (Output_data_plt_i386::rel_tls_desc): New function.
6460         (Target_i386::rel_tls_desc_section): New function.
6461         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6462         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6463         R_386_TLS_DESC reloc in rel_tls_desc_section.
6464         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6465         Define struct Tlsdesc_info.
6466         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6467         (Target_x86_64::do_reloc_symbol_index): New function.
6468         (Target_x86_64::add_tlsdesc_info): New function.
6469         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6470         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6471         tlsdesc_rel_ field.
6472         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6473         all callers.
6474         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6475         (Target_x86_64::rela_tlsdesc_section): New function.
6476         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6477         handling.
6478         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6479         (Target_x86_64::do_reloc_addend): New function.
6480         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6481         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6482         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6483         (Output_reloc::type): New function.
6484         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6485         (Output_reloc::is_target_specific): New function.
6486         (Output_reloc::target_arg): New function.
6487         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6488         absolute relocs and target specific relocs.
6489         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6490         add_target_specific.
6491         (class Output_data_reloc) [SHT_RELA]: Likewise.
6492         * output.cc (Output_reloc::Output_reloc): Add four new versions
6493         for absolute relocs and target specific relocs.
6494         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6495         (Output_reloc::get_symbol_index): Likewise.
6496         (Output_reloc::local_section_offset): Check that local_sym_index_
6497         is not TARGET_CODE or 0.
6498         (Output_reloc::symbol_value): Likewise.
6499         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6500         reloc.
6501         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6502         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6503         functions.
6504         * layout.cc (add_target_dynamic_tags): Use output section for
6505         DT_PLTRELSZ and DT_JMPREL.
6506
6507 2010-01-07  Ian Lance Taylor  <iant@google.com>
6508
6509         PR 11061
6510         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6511         function.
6512         (class Output_data_reloc_generic): Define.
6513         (class Output_data_reloc_base): Change base class to
6514         Output_data_reloc_generic.  Change add() method to call
6515         bump_relative_reloc_count for a relative reloc.  Remove
6516         sort_relocs_ field.
6517         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6518         to sort_relocs().
6519         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6520         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6521         appropriate.
6522         * layout.h (class Layout): Update declaration.
6523
6524 2010-01-07  Ian Lance Taylor  <iant@google.com>
6525
6526         * output.h (class Output_data): Add const version of
6527         output_section and do_output_section.
6528         (class Output_section_data): Add const version of
6529         do_output_section.
6530         (class Output_section): Likewise.
6531         * layout.cc (Layout::add_target_dynamic_tags): New function.
6532         * layout.h (class Layout): Update declarations.
6533         * arm.cc (Target_arm::do_finalize_sections): Use
6534         add_target_dynamic_tags.
6535         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6536         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6537         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6538         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6539
6540 2010-01-07  Ian Lance Taylor  <iant@google.com>
6541
6542         PR 11042
6543         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6544         object as needed.
6545
6546 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6547             Ian Lance Taylor  <iant@google.com>
6548
6549         PR 11019
6550         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6551         Xindex::read_symtab_xindex.
6552
6553 2010-01-07  Doug Kwan  <dougkwan@google.com>
6554
6555         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6556         (Insn_template::thumb16_bcond_insn): New method declaration.
6557         (Insn_template): Fix spelling.
6558         (Stub::thumb16_special): New method declaration.
6559         (Stub::do_write): Define virtual method which was previously pure
6560         virtual.
6561         (Stub::do_thumb16_special): New method declaration.
6562         (Stub::do_fixed_endian_write): New template member.
6563         (Reloc_stub::do_write): Remove.
6564         (Reloc_stub::do_fixed_endian_write): Remove.
6565         (Cortex_a8_stub): New class definition.
6566         (Stub_factory::make_cortex_a8_stub): New method definition.
6567         (Stub_factory::Stub_factory): Add missing static storage class
6568         qualifier for elf32_arm_stub_a8_veneer_blx.
6569
6570 2010-01-07  Ian Lance Taylor  <iant@google.com>
6571
6572         PR 10980
6573         * options.h (class General_options): Add --warn-unresolved-symbols
6574         and --error-unresolved-symbols.
6575         * errors.cc (Errors::undefined_symbol): Implement
6576         --warn-unresolved-symbols.
6577
6578         * options.h (class General_options): Add -z text and -z textoff.
6579         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6580
6581 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6582
6583         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6584         (Garbage_collection::cident_sections): New function.
6585         (Garbage_collection::add_cident_section): New function.
6586         (Garbage_collection::cident_sections_): New member.
6587         (gc_process_relocs): Add references to sections whose names are C
6588         identifiers.
6589         * gold.h (cident_section_start_prefix): New constant.
6590         (cident_section_stop_prefix): New constant.
6591         (is_cident): New function.
6592         * layout.cc (Layout::define_section_symbols): Replace string constants
6593         with the newly defined constants.
6594         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6595         C identifiers.
6596         * testsuite/Makefile.am: Add gc_orphan_section_test.
6597         * testsuite/Makefile.in: Regenerate.
6598         * testsuite/gc_orphan_section_test.cc: New file.
6599         * testsuite/gc_orphan_section_test.sh: New file.
6600
6601 2010-01-06  Ian Lance Taylor  <iant@google.com>
6602
6603         PR 10980
6604         * options.h (class General_options): Add --warn-shared-textrel.
6605         * layout.cc (Layout::finish_dynamic_section): Implement
6606         --warn-shared-textrel.
6607
6608         PR 10980
6609         * options.h (class General_options): Add --warn-multiple-gp.
6610
6611 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6612
6613         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6614         $(THREADSLIB) and $(LIBDL).
6615         * Makefile.in: Rebuild.
6616
6617 2010-01-06  Ian Lance Taylor  <iant@google.com>
6618
6619         PR 10980
6620         * options.cc (General_options::parse_section_start): New function.
6621         (General_options::section_start): New function.
6622         (General_options::General_options): Initialize all members.
6623         * options.h: Include <map>
6624         (class General_options): Add --section-start.  Add section_starts_
6625         member.
6626         * layout.cc (Layout::attach_allocated_section_to_segment): If
6627         --section-start was used, set the address of the segment.  Remove
6628         local sort_sections.
6629         (Layout::relaxation_loop_body): If the address of the load segment
6630         has been set by --section-start, don't use it.
6631         * output.h (Output_segment::update_flags_for_output_section): New
6632         function.
6633         * output.cc (Output_segment::add_output_section): Call
6634         update_flags_for_output_section.
6635
6636 2010-01-05  Ian Lance Taylor  <iant@google.com>
6637
6638         PR 10980
6639         * options.h (class General_options): Add --undefined-version.
6640         * script.cc (struct Version_expression): Add was_matched_by_symbol
6641         field.
6642         (Version_script_info::matched_symbol): New function.
6643         (Version_script_info::get_symbol_version_helper): Call
6644         matched_symbol.
6645         (Version_script_info::check_unmatched_names): New function.
6646         * script.h (class Version_script_info): Update declarations.
6647         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6648
6649         * options.h (class General_options): Use DEFINE_bool_alias for
6650         allow_multiple_definition.
6651         * resolve.cc (Symbol_table::should_override): Don't test
6652         allow_multiple_definition.
6653
6654         PR 10980
6655         * options.h (class General_options): Add --cref.
6656         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6657         until after printing cref table.
6658         * cref.cc: Include "symtab.h".
6659         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6660         (Cref_table_compare::operator()): New function.
6661         (Cref_inputs::gather_cref): New function.
6662         (filecol): New static const.
6663         (Cref_inputs::print_cref): New function.
6664         (Cref::print_cref): New function.
6665         * cref.h: Include <cstdio>.
6666         (class Cref): Update declarations.
6667         * mapfile.h (Mapfile::file): New function.
6668         * object.h (class Object): Define Symbols.  Declare virtual
6669         do_get_global_symbols.
6670         (Object::get_global_symbols): New function.
6671         * object.cc (Input_objects::add_object): Pass object to cref_ if
6672         --cref.
6673         (Input_objects::archive_start): Likewise.
6674         (Input_objects::archive_stop): Likewise.
6675         (Input_objects::print_cref): New function.
6676         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6677         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6678         --cref.
6679         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6680         function.
6681         * plugin.h (class Sized_pluginobj): Update declarations.
6682
6683 2010-01-05  Ian Lance Taylor  <iant@google.com>
6684
6685         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6686         to is_default_version.  Rename insdef to insdefault.
6687         (Symbol_table::add_from_relobj): Rename def to is_default_version
6688         and local to is_forced_local.
6689         (Symbol_table::add_from_pluginobj): Likewise.
6690         (Symbol_table::add_from_dynobj): Likewise.
6691         (Symbol_table::define_special_symbol): Rename insdef to
6692         insdefault.
6693
6694 2010-01-04  Ian Lance Taylor  <iant@google.com>
6695
6696         PR 10980
6697         * options.h (class General_options): Add
6698         --allow-multiple-definition and -z muldefs.
6699         * resolve.cc (Symbol_table::should_override): Don't warn about a
6700         multiple symbol definition if --allow-multiple-definition or -z
6701         muldefs.
6702
6703         PR 10980
6704         * options.h (class General_options): Add --add-needed and
6705         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6706         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6707         error if --copy-dt-needed-entries aka --add-needed is used and
6708         would cause a change in behaviour.
6709
6710         PR 10980
6711         * options.h (class General_options): Add -G as a short version of
6712         --shared.  Add no-op options -assert, -g, and -i.
6713
6714 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6715
6716         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6717         check for .text or .gnu.linkonce.t sections.
6718         * icf.cc (Icf::find_identical_sections): Ditto.
6719         Change the detection for mangled function name within the section
6720         name.
6721         * icf.h (is_section_foldable_candidate): New function.
6722
6723 2009-12-30  Ian Lance Taylor  <iant@google.com>
6724
6725         PR 10980
6726         * options.h (class General_options): Permit two dashes with
6727         --retain-symbols-file.
6728
6729 2009-12-30  Ian Lance Taylor  <iant@google.com>
6730
6731         PR 10979
6732         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6733         don't put the file header and segment headers in the text
6734         segment.
6735
6736         PR 10979
6737         * common.cc (Sort_commons::operator()): Stabilize sort when both
6738         entries are NULL.
6739         (Symbol_table::do_allocate_commons_list): When allocating common
6740         symbols, skip a symbol which is no longer common.
6741         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6742         an object before checking its type.
6743         * testsuite/common_test_2.c: New file.
6744         * testsuite/common_test_3.c: New file.
6745         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6746         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6747         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6748         (common_test_2_pic.o, common_test_2.so): New targets.
6749         (common_test_3_pic.o, common_test_3.so): New targets.
6750         * testsuite/Makefile.in: Rebuild.
6751
6752         PR 10979
6753         * script.cc (read_input_script): If we see a new SECTIONS clause,
6754         and we have added an input section, give an error.
6755         * layout.h (class Layout): Add have_added_input_section function.
6756         Add have_added_input_section_ field.
6757         * layout.cc (Layout::Layout): Initialize
6758         have_added_input_section_.
6759         (Layout::layout): Set have_added_input_section_.
6760         (Layout::layout_eh_frame): Likewise.
6761
6762 2009-12-30  Ian Lance Taylor  <iant@google.com>
6763
6764         PR 10931
6765         * options.h (class General_options): Add --sort-common option.
6766         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6767         * common.cc (Sort_common): Add sort_order parameter to
6768         constructor.  Add sort_order_ field.
6769         (Sort_commons::operator): Check sort_order_.
6770         (Symbol_table::allocate_commons): Determine the sort order.
6771         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6772         Change all callers.
6773         (Symbol_table::do_allocate_commons_list): Likewise.
6774
6775 2009-12-30  Ian Lance Taylor  <iant@google.com>
6776
6777         PR 10916
6778         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6779         symbols from this object, don't change the visibility of an
6780         undefined symbol.
6781         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6782
6783 2009-12-30  Ian Lance Taylor  <iant@google.com>
6784
6785         PR 10861
6786         * script.h (class Version_script_info): Define Language enum.
6787         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6788         new fields globals_, locals_, and is_finalized_.
6789         * script.cc: Various formatting fixes.
6790         (class Parser_closure): Change language_stack_ from a vector of
6791         std::string to one of Version_script_info::Language.  Adjust all
6792         uses accordingly.
6793         (class Lazy_demangler): Remove.
6794         (struct Version_expression): Change language from std::string to
6795         Version_script_info::Language.
6796         (Version_script_info::Version_script_info): New function.
6797         (Version_script_info::~Version_script_info): Don't call clear.
6798         (Version_script_info::finalize): New function.
6799         (Version_script_info::build_lookup_tables): New function.
6800         (Version_script_info::build_expression_list_lookup): New
6801         function.
6802         (Version_script_info::get_symbol_version_helper): Rewrite to use
6803         lookup tables.
6804         (Version_script_info::print_expression_list): Adjust to use
6805         Version_script_info::Language.
6806         (script_push_lex_into_version_mode): Check that the version script
6807         has not been finalized.
6808         (version_script_push_lang): Change language string to
6809         Version_script_info::Language.
6810         * options.cc (Command_line::version_script): New function.
6811         * options.h (class General_options): Add finalize_dynamic_list
6812         function.  Change version_script from declaration to definition.
6813         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6814         * testsuite/version_script.map: Remove duplicate def of foo.
6815         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6816         version_script.map.
6817         * testsuite/Makefile.in: Rebuild.
6818
6819 2009-12-30  Ian Lance Taylor  <iant@google.com>
6820
6821         PR 10843
6822         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6823         if the input symbol index is 0, make the output symbol index 0.
6824
6825 2009-12-30  Ian Lance Taylor  <iant@google.com>
6826
6827         PR 10670
6828         * options.h (class General_options): Add -x/--discard-all.
6829         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6830         --discard-all.  If the local symbol needs a dynamic entry, check
6831         that before handling --discard-locals.
6832
6833 2009-12-30  Ian Lance Taylor  <iant@google.com>
6834
6835         PR 10450
6836         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6837         flags to PF_R.
6838         (Output_segment::add_output_section): Don't change the flags if
6839         the type is PT_TLS.
6840
6841         PR 10450
6842         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6843         GNU hash table if they need a dynamic value.  Otherwise, don't add
6844         them if they are defined in a dynamic object or are forced local.
6845
6846 2009-12-29  Ian Lance Taylor  <iant@google.com>
6847
6848         PR 10450
6849         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6850         .gnu.hash table for a 32-bit target.
6851
6852         PR 10450
6853         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6854         regular and a dynamic object only needs a dynamic symbol table
6855         entry if it is externally visible.
6856
6857         PR 10450
6858         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6859         constructor.  Add global_offset_table_ field.
6860         (Target_i386::got_section): Set global_offset_table_.
6861         (Target_i386::do_finalize_sections): Set global_offset_table_
6862         size.
6863         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6864         in constructor.  Add global_offset_table_ field.
6865         (Target_x86_64::got_section): Set global_offset_table_.
6866         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6867         size.
6868
6869         * layout.cc (Layout::Layout): Initialize increase_relro_.
6870         (Layout::get_output_section): Add is_relro, is_last_relro, and
6871         is_first_non_relro parameters.  Change all callers.
6872         (Layout::choose_output_section): Likewise.
6873         (Layout::add_output_section_data): Likewise.
6874         (Layout::make_output_section): Likewise.
6875         (Layout::set_segment_offsets): Clear increase_relro when using a
6876         linker script.
6877         * layout.h (class Layout): Add increase_relro method.  Add
6878         increase_relro_ field.  Update declarations.
6879         * output.cc (Output_section::Output_section): Initialize
6880         is_last_relro_ and is_first_non_relro_.
6881         (Output_segment::add_output_section): Group relro sections is
6882         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6883         (Output_segment::maximum_alignment): Remove relro handling.
6884         (Output_segment::set_section_addresses): Add increase_relro
6885         parameter.  Change all callers.  Add initial alignment to align
6886         relro sections on separate page.  Remove old relro handling.
6887         (Output_segment::set_section_list_addresses): Remove in_relro
6888         parameter.  Change all callers.
6889         (Output_segment::set_offset): Add increase parameter.  Change all
6890         callers.  Remove old relro handling.
6891         * output.h (class Output_section): Add new methods: is_last_relro,
6892         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6893         Add is_last_relro_ and is_first_non_relro_ fields.
6894         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6895         Create separate .got.plt section.  Call increase_relro.
6896         * x86_64.cc (Target_x86_64::got_section): Likewise.
6897         * testsuite/relro_script_test.t: Add .got.plt.
6898
6899         PR 10450
6900         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6901         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6902         (Layout::finalize): Call set_dynamic_symbol_size.
6903         (Layout::set_dynamic_symbol_size): New function.
6904         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6905         set_dynamic_symbol_size.
6906
6907         PR 10450
6908         * output.h (class Output_section): Add is_entsize_zero_ field.
6909         * output.cc (Output_section::Output_section): Initialize
6910         is_entsize_zero_.
6911         (Output_section::set_entsize): If two different entsizes are
6912         requested, force it to zero.
6913         (Output_section::add_input_section): Set flags for .debug_str
6914         before updating section flags.  Set entsize.
6915         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6916         and SHF_STRING if all input sections have those flags.
6917
6918 2009-12-29   Rafael Espindola  <espindola@google.com>
6919
6920         * main.cc (main): Fix the sys time reporting.
6921         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6922         reporting.
6923
6924 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6925
6926         * options.cc (General_options::parse_version): Allow -v to exit
6927         without an error if there is nothing to link.
6928
6929 2009-12-29  Ian Lance Taylor  <iant@google.com>
6930
6931         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6932         using a version of gcc before 4.1.
6933         * configure: Rebuild.
6934
6935 2009-12-28  Chris Demetriou  <cgd@google.com>
6936
6937         * attributes.cc (Output_attributes_section_data::do_write): Use
6938         std::vector::front rather than std::vector::data.
6939
6940 2009-12-28  Ian Lance Taylor  <iant@google.com>
6941
6942         * symtab.h (class Symbol_table): Add enum Defined.
6943         * resolve.cc (Symbol_table::should_override): Add defined
6944         parameter.  Change all callers.  Test whether object is NULL
6945         before calling a method on it.
6946         (Symbol_table::report_resolve_problem): Add defined parameter.
6947         Change all callers.
6948         (Symbol_table::should_override_with_special): Likewise.
6949         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6950         parameter.  Change all callers.
6951         (Symbol_table::do_define_in_output_data): Likewise.
6952         (Symbol_table::define_in_output_segment): Likewise.
6953         (Symbol_table::do_define_in_output_segment): Likewise.
6954         (Symbol_table::define_as_constant): Likewise.
6955         (Symbol_table::do_define_as_constant): Likewise.
6956         * script.h (class Symbol_assignment): Add is_defsym parameter to
6957         constructor; change all callers.
6958         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6959         parameter.  Change all callers.  Add is_defsym_ field.
6960         (class Parser_closure): Add parsing_defsym parameter to
6961         constructor; change all callers.  Add parsing_defsym accessor
6962         function.  Add parsing_defsym_ field.
6963
6964 2009-12-28  Ian Lance Taylor  <iant@google.com>
6965
6966         * gold.cc (queue_middle_tasks): Fix formatting.
6967         * object.cc (Relobj::is_section_name_included): Likewise.
6968
6969 2009-12-23  Ian Lance Taylor  <iant@google.com>
6970
6971         * i386.cc (Target_i386::do_calls_non_split): Recognize
6972         -fsplit-stack prologue for a function with a static chain.
6973         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6974         -fsplit-stack prologue when using %r11.
6975
6976 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6977
6978         * options.cc (General_options::parse_version): Make -v continue and do
6979         the link like GNU ld does.
6980
6981 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6982
6983         * Makefile.am (CCFILES): Add timer.cc.
6984         (HFILES): Add timer.h.
6985         * configure.ac: Check for sysconf and times.
6986         * main.cc: include timer.h.
6987         (main): Use Timer instead of get_run_time.
6988         * timer.cc: New.
6989         * timer.h: New.
6990         * workqueue.cc: include timer.h.
6991         (Workqueue::find_and_run_task):
6992         Report user, sys and wall time.
6993         * Makefile.in: Regenerate.
6994         * config.in: Regenerate.
6995         * configure: Regenerate.
6996
6997 2009-12-16  Doug Kwan  <dougkwan@google.com>
6998
6999         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7000         sections.
7001         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7002         relaxed input sections.
7003         * output.cc (Output_section::find_relaxed_input_section): Change
7004         return type to Output_relaxed_input_section pointer.  Adjust code
7005         for new type of relaxed_input_section_map_.
7006         * output.h (Output_section::find_relaxed_input_section): Change
7007         return type to Output_relaxed_input_section pointer.
7008         (Output_section::Output_relaxed_input_section_by_input_section_map):
7009         New type.
7010         (Output_section::relaxed_input_section_map_): Change type to
7011         Output_section::Output_relaxed_input_section_by_input_section_map.
7012         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7013         input section.
7014
7015 2009-12-15  Ian Lance Taylor  <iant@google.com>
7016
7017         * layout.cc (Layout::create_shstrtab): Only write out after input
7018         sections if we are compressing debug sections.
7019
7020 2009-12-15  Ian Lance Taylor  <iant@google.com>
7021
7022         * archive.cc (Archive::add_symbols): Only look up a symbol without
7023         a version if there is, in fact, a version.
7024
7025 2009-12-14  Ian Lance Taylor  <iant@google.com>
7026
7027         Revert -Wshadow changes, all changes from:
7028         2009-12-11  Doug Kwan  <dougkwan@google.com>
7029         2009-12-11  Nick Clifton  <nickc@redhat.com>
7030         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7031
7032 2009-12-11  Doug Kwan  <dougkwan@google.com>
7033
7034         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7035         due to -Wshadow.
7036         * attributes.cc (Object_attribute::size): Ditto.
7037         (Attributes_section_data::size): Ditto.
7038         (Attributes_section_data::Attributes_section_data): Ditto.
7039         (Output_attributes_section_data::do_write): Ditto.
7040         * attributes.h (Object_attribute::set_type): Ditto.
7041         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7042
7043 2009-12-11  Nick Clifton  <nickc@redhat.com>
7044
7045         * archive.cc: Fix shadowed variable warnings.
7046         * arm.cc: Likewise.
7047         * compressed_output.cc: Likewise.
7048         * compressed_output.h: Likewise.
7049         * configure: Likewise.
7050         * dwarf_reader.cc: Likewise.
7051         * dynobj.cc: Likewise.
7052         * dynobj.h: Likewise.
7053         * ehframe.cc: Likewise.
7054         * ehframe.h: Likewise.
7055         * errors.cc: Likewise.
7056         * expression.cc: Likewise.
7057         * fileread.cc: Likewise.
7058         * fileread.h: Likewise.
7059         * freebsd.h: Likewise.
7060         * i386.cc: Likewise.
7061         * icf.cc: Likewise.
7062         * incremental.h: Likewise.
7063         * layout.cc: Likewise.
7064         * layout.h: Likewise.
7065         * mapfile.cc: Likewise.
7066         * merge.cc: Likewise.
7067         * merge.h: Likewise.
7068         * object.cc: Likewise.
7069         * object.h: Likewise.
7070         * options.h: Likewise.
7071         * output.cc: Likewise.
7072         * output.h: Likewise.
7073         * parameters.cc: Likewise.
7074         * plugin.cc: Likewise.
7075         * powerpc.cc: Likewise.
7076         * reduced_debug_output.cc: Likewise.
7077         * reduced_debug_output.h: Likewise.
7078         * reloc.cc: Likewise.
7079         * reloc.h: Likewise.
7080         * resolve.cc: Likewise.
7081         * script-sections.cc: Likewise.
7082         * script.cc: Likewise.
7083         * script.h: Likewise.
7084         * sparc.cc: Likewise.
7085         * symtab.cc: Likewise.
7086         * symtab.h: Likewise.
7087         * target-select.cc: Likewise.
7088         * target-select.h: Likewise.
7089         * token.h: Likewise.
7090         * workqueue.cc: Likewise.
7091         * workqueue.h: Likewise.
7092         * x86_64.cc: Likewise.
7093
7094 2009-12-10  Doug Kwan  <dougkwan@google.com>
7095
7096         * arm.cc (attributes.h): New include.
7097         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7098         (Arm_relobj::~Arm_relobj): Delete object pointed by
7099         attributes_section_data_.
7100         (Arm_relobj::attributes_section_data): New method definition.
7101         (Arm_relobj::attributes_section_data_): New data member declaration.
7102         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7103         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7104         attributes_section_data_.
7105         (Arm_dynobj::attributes_section_data): New method definition.
7106         (Arm_dynobj::attributes_section_data_): New data member declaration.
7107         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7108         initialization value of may_use_blx_ to false.
7109         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7110         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7111         object attributes to compute results instead of hard-coding.
7112         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7113         Target_arm::get_secondary_compatible_arch,
7114         Target_arm::set_secondary_compatible_arch
7115         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7116         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7117         New method declarations.
7118         (Target_arm::get_aeabi_object_attribute): New method definition.
7119         (Target_arm::attributes_section_data_): New data member declaration.
7120         (read_arm_attributes_section): New template definition.
7121         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7122         (Arm_dynobj::do_read_symbols): Ditto.
7123         (Target_arm::do_finalize_sections): Merge attributes sections from
7124         input.  Check for BLX use after attributes section merging.
7125         Fix __exidx_start and __exidx_end visibility.  Create an
7126         .ARM.attributes section if necessary.
7127         (Target_arm::get_secondary_compatible_arch,
7128         Target_arm::set_secondary_compatible_arch,
7129         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7130         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7131         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7132         New method definitions.
7133
7134 2009-12-09  Ian Lance Taylor  <iant@google.com>
7135
7136         * plugin.cc (Plugin::load): Don't cast from void* to a function
7137         pointer.
7138
7139 2009-12-09  Ian Lance Taylor  <iant@google.com>
7140
7141         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7142         information fields.
7143
7144 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7145
7146         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7147         Replace two_file_shared_1.so with two_file_shared_2.so.
7148         * testsuite/Makefile.in: Regenerated.
7149
7150 2009-12-08  Doug Kwan  <dougkwan@google.com>
7151
7152         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7153         (HFILES): Add attributes.h and int_encoding.h.
7154         * Makefile.in: Regenerate.
7155         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7156         function definitions to int_encoding.cc
7157         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7158         prototypes to int_encoding.h
7159         * reduced_debug_output.cc (int_encoding.h): New include.
7160         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7161         function definitions to int_encoding.cc
7162         (insert_into_vector, read_from_pointer): Move template definitions to
7163         int_encoding.h
7164         * attributes.cc: New file.
7165         * attributes.h: New file.
7166         * int_encoding.cc: New file.
7167         * int_encoding.h: New file.
7168
7169 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7170
7171         PR gold/11055
7172         * incremental-dump.cc (dump_incremental_inputs): New.
7173         (main): Use dump_incremental_inputs.
7174
7175 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7176
7177         PR gold/10893
7178         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7179         checking elfcpp::STT_FUNC.
7180         (Target_i386::Relocate::relocate): Likewise.
7181         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7182
7183         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7184         symbols from shared libraries into normal FUNC symbols.
7185
7186         * symtab.h (Symbol): Add is_func and use it.
7187
7188 2009-12-05  Doug Kwan  <dougkwan@google.com>
7189
7190         * arm.cc (Target_arm::arm_info): Initialize new fields
7191         attributes_section and attributes_vendor.
7192         * i386.cc (Target_i386::i386_info): Same.
7193         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7194         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7195         fields attributes_section and attributes_vendor.
7196         * sparc.cc (Target_sparc::sparc_info): Same.
7197         * target.h (Target::attributes_section, Target::attributes_vendor,
7198         Target::is_attributes_section, Target::attribute_arg_type,
7199         Target::attributes_order): New method definitions.
7200         (Target::Target_info::attributes_section,
7201         Target::Target_info::attributes_vendor): New fields.
7202         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7203         virtual method definitions.
7204         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7205         attributes_section and attributes_vendor.
7206         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7207
7208 2009-12-05  Doug Kwan  <dougkwan@google.com>
7209
7210         * arm.cc: Update comments about interworking and stub generation.
7211         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7212         considered as non-PIC.
7213         (Arm_relocate_functions::base_abs): Fix formatting.
7214         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7215         of function to use GOT entry address instead of offset.
7216         (Target_arm::Scan::global): Issue an error if a symbol would need a
7217         PLT does not get one because it is untyped.  Remove code to create
7218         dynamic symbols for relative branches.
7219         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7220         takes unsigned integer instead of boolean.
7221
7222 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7223
7224         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7225         (two_file_test_LDADD): Likewise.
7226         (common_test_1_LDADD): Likewise.
7227         (exception_test_LDADD) Likewise.
7228         (weak_test_LDADD): Likewise.
7229         (many_sections_test_LDADD): Likewise.
7230         (initpri1_LDADD): Likewise.
7231         (script_test_1_LDADD): Likewise.
7232         (script_test_2_LDADD): Likewise.
7233         (justsyms_LDADD): Likewise.
7234         (binary_test_LDADD): Likewise.
7235         (large_LDADD): Likewise.
7236         * testsuite/Makefile.in: Regenerated.
7237
7238 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7239
7240         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7241         (Symbol_table::override_with_special): Likewise.
7242         (Symbol_table::add_from_object): Likewise.
7243
7244 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7245
7246         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7247         Don't set the data_offset twice.
7248
7249 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7250
7251         * testsuite/Makefile.in: Regenerate.
7252
7253 2009-12-03  Doug Kwan  <dougkwan@google.com>
7254
7255         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7256         (Target_arm::do_finalize_sections): Add parameter for symbol table
7257         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7258         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7259         parameter for symbol table pointer.
7260         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7261         an additional parameter for a pointer to symbol table.
7262         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7263         parameter for a symbol table pointer.
7264         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7265         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7266         Ditto.
7267         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7268         parameter for a symbol table pointer.
7269
7270 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7271
7272         * incremental.cc (Incremental_inputs_header)
7273         (Incremental_inputs_header_write, Incremental_inputs_entry)
7274         (Incremental_inputs_entry_write): Move ...
7275         * incremental.h (Incremental_inputs_header)
7276         (Incremental_inputs_header_write, Incremental_inputs_entry)
7277         (Incremental_inputs_entry_write): here.
7278
7279 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7280
7281         * incremental.cc (make_sized_incremental_binary): Set the target.
7282         Error if it is incompatible.
7283         * output.h (Output_file): Add filename method.
7284
7285 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7286
7287         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7288         from the get_* methods.
7289
7290 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7291
7292         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7293         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7294         Write 0 for the data_offset of scripts.
7295
7296 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7297
7298         * testsuite/Makefile.am: Add the incremental_test.sh test.
7299         * testsuite/incremental_test.sh: New.
7300         * testsuite/incremental_test_1.c: New.
7301         * testsuite/incremental_test_2.c: New.
7302
7303 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7304
7305        * incremental-dump.cc (main): Fix typos.
7306
7307 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7308
7309         PR gold/11025
7310         * incremental-dump.cc (main): Use llu to print 64 bit values.
7311
7312 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7313             H.J. Lu  <hongjiu.lu@intel.com>
7314
7315         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7316         $(LIBDL).
7317         (incremental_dump_LDADD): Likewise.
7318         * Makefile.in: Regenerated.
7319
7320 2009-11-25  Doug Kwan  <dougkwan@google.com>
7321
7322         Revert:
7323
7324         2009-11-25  Doug Kwan  <dougkwan@google.com>
7325
7326                 * arm.cc (Target_arm::Target_arm): Move method definition
7327                 outside of class definition.  Add code to handle
7328                 --target1-rel, --target1-abs and --target2= options.
7329                 (Target_arm::get_reloc_reloc_type): Change method to be
7330                 non-static and const.
7331                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7332                 New data member declaration.
7333                 (Target_arm::Scan::local, Target_arm::Scan::global,
7334                 Target_arm::Relocate::relocate,
7335                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7336                 Adjust call to Target_arm::get_real_reloc_type.
7337                 (Target_arm::get_real_reloc_type): Use command line options
7338                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7339                 * options.h (--target1-rel, --target1-abs, --target2): New
7340                 ARM-only options.
7341
7342 2009-11-25  Doug Kwan  <dougkwan@google.com>
7343
7344         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7345         class definition.  Add code to handle --target1-rel, --target1-abs
7346         and --target2= options.
7347         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7348         and const.
7349         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7350         member declaration.
7351         (Target_arm::Scan::local, Target_arm::Scan::global,
7352         Target_arm::Relocate::relocate,
7353         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7354         call to Target_arm::get_real_reloc_type.
7355         (Target_arm::get_real_reloc_type): Use command line options to
7356         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7357         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7358         options.
7359
7360 2009-11-25  Doug Kwan  <dougkwan@google.com>
7361
7362         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7363         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7364         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7365         formatting.
7366         (Arm_relocate_functions::thm_call): Replace body with a call to
7367         Arm_relocate_functions::thumb_branch_common.
7368         (Arm_relocate_functions::thm_jump24,
7369         Arm_relocate_functions::thm_xpc22): New method definitions.
7370         (Arm_relocate_functions::thumb_branch_common): New method definition.
7371         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7372         operator.
7373         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7374         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7375
7376 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7377
7378         * Makefile.am: Build incremental-dump
7379         * Makefile.in: Regenerate.
7380         * incremental-dump.cc: New.
7381         * incremental.cc (Incremental_inputs_header_data,
7382         Incremental_inputs_entry_data): Move to incremental.h
7383         * incremental.h: (Incremental_inputs_header_data,
7384         Incremental_inputs_entry_data): Move from incremental.cc
7385
7386 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7387
7388         * incremental.cc (Incremental_inputs_header,
7389         Incremental_inputs_header_write, Incremental_inputs_entry,
7390         Incremental_inputs_entry_write): Add a typedef with the data type.
7391
7392 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7393
7394         * incremental.cc (Incremental_inputs_header,
7395         Incremental_inputs_header_write, Incremental_inputs_entry,
7396         Incremental_inputs_entry_write): Update comment about which
7397         type has the filed descriptions.
7398
7399 2009-11-15  Doug Kwan  <dougkwan@google.com>
7400
7401         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7402         (Arm_relocate_functions::arm_branch_common): Change method defintion
7403         in class definition to a method declaration and update list of formal
7404         parameters.
7405         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7406         Arm_relocation_functions::jump24): Adjust call to
7407         Arm_relocate_functions::arm_branch_common.  Update list of formal
7408         parameters.
7409         (Arm_relocate_functions::xpc25): New method definition.
7410         (Arm_relocate_functions::arm_branch_common): Move method defintion
7411         out from class definition.  Use stubs for mode-switching and extending
7412         branch ranges.
7413         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7414         specially.  Change code to enable use of stubs in ARM branches.
7415
7416 2009-11-10  Doug Kwan  <dougkwan@google.com>
7417
7418         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7419         in method declaration.
7420         (Target_arm::relocate_stub): New method declaration.
7421         (Target_arm::default_target): Change to return a pointer instead of
7422         a const reference.
7423         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7424         Target_arm::default_target.
7425         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7426         method definition.
7427         (Target_arm::relocate_section): Adjust view.
7428         (Target_arm::relocate_stub): New method definition.
7429
7430 2009-11-10  Doug Kwan  <dougkwan@google.com>
7431
7432         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7433         a format warning.
7434         * incremental.cc (open_incremental_binary): Initialized local
7435         variables to avoid warnings.
7436         * object.cc (make_elf_object): Ditto.
7437         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7438         a format warning.
7439
7440 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7441
7442         PR gold/10930
7443         * testsuite/plugin_test.c: Include "config.h".
7444
7445 2009-11-09  Doug Kwan  <dougkwan@google.com>
7446
7447         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7448         (arm_symbol_value): Remove.
7449         (Arm_relocate_functions::arm_branch_common,
7450         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7451         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7452         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7453         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7454         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7455         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7456         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7457         Arm_relocate_functions::thm_mobw_abs_nc,
7458         Arm_relocate_functions::thm_mov_abs,
7459         Arm_relocate_functions::movw_prel_nc,
7460         Arm_relocate_functions::thm_movt_abs,
7461         Arm_relocate_functions::movt_prel,
7462         Arm_relocate_functions::thm_movw_prel_nc,
7463         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7464         (Target_arm::Relocate::relocate): Only decompose address into two
7465         parts if relocation type uses the thumb-bit and pass the actual
7466         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7467         calls to methods in Arm_relocate_functions for this change.
7468
7469 2009-11-08  Ian Lance Taylor  <iant@google.com>
7470
7471         PR 10925
7472         * reloc.cc: Instantiate
7473         Sized_relobj::initialize_input_to_output_maps and
7474         Sized_relobj:free_input_to_output_maps.
7475
7476 2009-11-06  Ian Lance Taylor  <iant@google.com>
7477
7478         PR 10876
7479         * defstd.cc (in_segment): Set only_if_ref true for "end".
7480
7481 2009-11-06  Doug Kwan  <dougkwan@google.com>
7482
7483         * arm.cc (class Reloc_stub): Correct a comment.
7484         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7485         (Target_arm::scan_section_for_stubs): New method declaration.
7486         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7487         Change methods from private to protected.
7488         (Target_arm::do_may_relax): New method definition.
7489         (Target_arm::do_relax, Target_arm::group_sections,
7490         Target_arm::scan_reloc_for_stub,
7491         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7492         (Target_arm::arm_input_section_map_): New data member declaration.
7493         (Target_arm::scan_reloc_for_stub,
7494         Target_arm::scan_reloc_section_for_stubs,
7495         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7496         Target_arm::do_relax): New method definitions.
7497
7498 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7499
7500         * configure.ac: Check for (struct stat)::st_mtim
7501         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7502         * config.in: Regenerate.
7503         * configure: Regenerate.
7504
7505 2009-11-05  Ian Lance Taylor  <iant@google.com>
7506
7507         PR 10910
7508         * output.cc (Output_segment::add_output_section): Add missing
7509         return statement.
7510
7511 2009-11-04  Ian Lance Taylor  <iant@google.com>
7512
7513         PR 10880
7514         * object.h (class Object): Add is_needed and set_is_needed
7515         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7516         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7517         defined in a dynamic object and referenced by a regular object,
7518         set is_needed for the dynamic object.
7519         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7520         if the file is marked with as_needed and it is not needed.
7521
7522 2009-11-04  Ian Lance Taylor  <iant@google.com>
7523
7524         PR 10887
7525         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7526         tags if data is discarded by linker script.
7527         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7528         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7529         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7530         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7531
7532 2009-11-04  Ian Lance Taylor  <iant@google.com>
7533
7534         * layout.cc (Layout::get_output_section): Add is_interp and
7535         is_dynamic_linker_section parameters.  Change all callers.
7536         (Layout::choose_output_section): Likewise.
7537         (Layout::make_output_section): Likewise.
7538         (Layout::add_output_section_data): Add is_dynamic_linker_section
7539         parameter.  Change all callers.
7540         * layout.h (class Layout): Update declarations.
7541         * output.h (class Output_section): Add is_interp, set_is_interp,
7542         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7543         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7544         generate_code_fills_at_write_ to a bitfield.
7545         * output.cc (Output_section::Output_sections): Initialize new
7546         fields.
7547         (Output_segment::add_output_section): Add do_sort parameter.
7548         Change all callers.
7549
7550 2009-11-03  Ian Lance Taylor  <iant@google.com>
7551
7552         PR 10860
7553         * options.h (class General_options): Add --warn-common.
7554         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7555         merging two common symbols.
7556         (Symbol_table::should_override): Handle --warn-common when merging
7557         a common symbol with a defined symbol.  Use report_resolve_problem
7558         for multiple definitions.
7559         (Symbol_table::report_resolve_problem): New function.
7560         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7561
7562 2009-11-03  Doug Kwan  <dougkwan@google.com>
7563
7564         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7565         stub_factory_.
7566         (Target_arm::stub_factory): New method definition.
7567         (Target_arm::new_arm_input_section,
7568         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7569         Target_arm::reloc_uses_thumb_bit): New method declarations.
7570         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7571         New type definitions.
7572         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7573         member declarations.
7574         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7575         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7576         New method definitions.
7577
7578 2009-11-03  Ian Lance Taylor  <iant@google.com>
7579
7580         * options.h (class General_options): Add --warn_constructors.
7581
7582 2009-11-03  Ian Lance Taylor  <iant@google.com>
7583
7584         PR 10893
7585         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7586         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7587
7588 2009-11-03  Ian Lance Taylor  <iant@google.com>
7589
7590         PR 10895
7591         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7592         --msgid-bugs-address.
7593         (install-pdf): New target.
7594         (install-data_yes): Look up one directory to find mkinstalldirs.
7595
7596 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7597
7598         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7599         tree.
7600
7601 2009-10-30  Doug Kwan  <dougkwan@google.com>
7602
7603         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7604
7605 2009-10-30  Doug Kwan  <dougkwan@google.com>
7606
7607         * arm.cc (Stub_addend_reader): New struct template definition
7608         and partial specializations.
7609         (Stub_addend_reader::operator()): New method definition for a
7610         partially specialized template.
7611
7612 2009-10-30  Doug Kwan  <dougkwan@google.com>
7613
7614         * arm.cc (Arm_relobj::processor_specific_flags): New method
7615         definition.
7616         (Arm_relobj::do_read_symbols): New method declaration.
7617         (Arm_relobj::processor_specific_flags_): New data member declaration.
7618         (Arm_dynobj): New class definition.
7619         (Target_arm::do_finalize_sections): Add input_objects parameter.
7620         (Target_arm::do_adjust_elf_header): New method declaration.
7621         (Target_arm::are_eabi_versions_compatible,
7622         (Target_arm::merge_processor_specific_flags): New method declaration.
7623         (Target_arm::do_make_elf_object): New overloaded method definitions
7624         and declaration.
7625         (Arm_relobj::do_read_symbols): New method definition.
7626         (Arm_dynobj::do_read_symbols): Ditto.
7627         (Target_arm::do_finalize_sections): Add input_objects parameters.
7628         Merge processor-specific flags from all input objects.
7629         (Target_arm::are_eabi_versions_compatible,
7630         Target_arm::merge_processor_specific_flags,
7631         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7632         New method definitions.
7633         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7634         Input_objects pointer type parameter.
7635         * layout.cc (Layout::finalize): Pass input objects to target's.
7636         finalize_sections function.
7637         * output.cc (Output_file_header::do_sized_write): Set ELF file
7638         header's processor-specific flags.
7639         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7640         Input_objects pointer type parameter.
7641         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7642         * target.h (Input_objects): New forward class declaration.
7643         (Target::processor_specific_flags,
7644         Target::are_processor_specific_flags_sect): New method definitions.
7645         (Target::finalize_sections): Add input_objects parameter.
7646         (Target::Target): Initialize processor_specific_flags_ and
7647         are_processor_specific_flags_set_.
7648         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7649         parameter.
7650         (Target::set_processor_specific_flags): New method definition.
7651         (Target::processor_specific_flags_,
7652         Target::are_processor_specific_flags_set_): New data member
7653         declarations.
7654         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7655         Input_objects pointer type parameter.
7656
7657 2009-10-30  Doug Kwan  <dougkwan@google.com>
7658
7659         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7660
7661 2009-10-28  Ian Lance Taylor  <iant@google.com>
7662
7663         * object.h (class Relobj): Drop options parameter from
7664         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7665         do_scan_relocs, do_relocate.  Change all callers.
7666         (class Sized_relobj): Drop options parameters from
7667         do_gc_process_relocs, do_scan_relocs, do_relocate,
7668         do_relocate_sections, relocate_sections, emit_relocs_scan,
7669         emit_relocs_scan_reltype.  Change all callers.
7670         (struct Relocate_info): Remove options field and all references to
7671         it.
7672         * reloc.h (class Read_relocs): Remove options constructor
7673         parameter and options_ field.  Change all callers.
7674         (class Gc_process_relocs, class Scan_relocs): Likewise.
7675         (class Relocate_task): Likewise.
7676         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7677         all callers.
7678         (scan_relocatable_relocs): Likewise.
7679         * target.h (class Sized_target): Remove options parameter from
7680         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7681         all callers.
7682         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7683         callers.
7684         * arm.cc: Update functions to remove options parameters.
7685         * i386.cc: Likewise.
7686         * powerpc.cc: Likewise.
7687         * sparc.cc: Likewise.
7688         * x86_64.cc: Likewise.
7689         * testsuite/testfile.cc: Likewise.
7690
7691 2009-10-28  Doug Kwan  <dougkwan@google.com>
7692
7693         * arm.cc (Arm_relobj): New class definition.
7694         (Arm_relobj::scan_sections_for_stubs,
7695         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7696         New method definitions.
7697
7698 2009-10-28  Cary Coutant  <ccoutant@google.com>
7699
7700         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7701         (Plugin::cleanup_done_): New member.
7702         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7703         (Plugin_manager::cleanup_done_): Remove.
7704         (Plugin_manager::add_input_file): Edit error message.
7705         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7706         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7707
7708 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7709
7710         * fileread.cc: (File_read::View::~View): Use the new
7711         data_ownership_ filed.
7712         (File_read::~File_read): Dispose the new whole_file_view_.
7713         (File_read::open): Mmap the whole file if needed.
7714         (File_read::open): Use whole_file_view_ instead of contents_.
7715         (File_read::find_view): Use whole_file_view_ if applicable.
7716         (File_read::do_read): Use whole_file_view_ instead of contents_.
7717         (File_read::make_view): Use whole_file_view_ instead of contents_,
7718         update File_read::View::View call.
7719         (File_read::find_or_make_view): Update File_read::View::View
7720         call.
7721         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7722         remove contents_
7723         (File_read::View::Data_ownership): New enum.
7724         (File_read::View::View): Replace bool mapped_ with Data_ownership
7725         argument.
7726         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7727         (File_read::View::data_ownership_): New field.
7728         (File_read::contents_): Remove (replaced by whole_file_view_).
7729         (File_read::whole_file_view_): New field.
7730         * options.h (class General_options): Add --keep-files-mapped.
7731
7732 2009-10-27  Cary Coutant  <ccoutant@google.com>
7733
7734         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7735         * testsuite/Makefile.am (plugin_test_5): New test case.
7736         * testsuite/Makefile.in: Regenerate.
7737
7738 2009-10-25  Doug Kwan  <dougkwan@google.com>
7739
7740         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7741         from private to protected to allow access by child class.
7742         (Sized_relobj::do_relocate_sections): New method declaration.
7743         (Sized_relobj::relocate_sections): Virtualize.
7744         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7745         Sized_relobj::relocate_sections.  Instantiate template explicitly
7746         for different target sizes and endianity.
7747
7748 2009-10-24  Doug Kwan  <dougkwan@google.com>
7749
7750         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7751         (Arm_input_section::as_arm_input_section): New method.
7752         (Arm_output_section): New class definition.
7753         (Arm_output_section::create_stub_group,
7754         Arm_output_section::group_sections): New method definitions.
7755
7756 2009-10-22  Doug Kwan  <dougkwan@google.com>
7757
7758         * arm.cc (Arm_input_section): New class definition.
7759         (Arm_input_section::init, Arm_input_section:do_write,
7760         Arm_input_section::set_final_data_size,
7761         Arm_input_section::do_reset_address_and_file_offset): New method
7762         definitions.
7763
7764 2009-10-21  Doug Kwan  <dougkwan@google.com>
7765
7766         * arm.cc (Stub_table, Arm_input_section): New forward class
7767         declarations.
7768         (Stub_table): New class defintion.
7769         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7770         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7771         New method definition.
7772
7773 2009-10-21  Doug Kwan  <dougkwan@google.com>
7774
7775         * arm.cc: Update copyright comments.
7776         (Target_arm): New forward class template declaration.
7777         (Arm_address): New type.
7778         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7779         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7780         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7781         constants.
7782         (Insn_template): Same.
7783         (DEF_STUBS): New macro.
7784         (Stub_type): New enum type.
7785         (Stub_template): New class definition.
7786         (Stub): Same.
7787         (Reloc_stub): Same.
7788         (Stub_factory): Same.
7789         (Target_arm::Target_arm): Initialize may_use_blx_ and
7790         should_force_pic_veneer_.
7791         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7792         Target_arm::should_force_pic_veneer,
7793         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7794         Target_arm::using_thumb_only, Target_arm:;default_target): New
7795         method defintions.
7796         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7797         New data member declarations.
7798         (Insn_template::size, Insn_template::alignment): New method defintions.
7799         (Stub_template::Stub_template): New method definition.
7800         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7801         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7802         (Stub_factory::Stub_factory): New method definition.
7803         * gold.h (string_hash): New template.
7804         * output.h (Input_section_specifier::hash_value): Use
7805         gold::string_hash.
7806         (Input_section_specifier::string_hash): Remove.
7807         * stringpool.cc (Stringpool_template::string_hash): Use
7808         gold::string_hash.
7809
7810 2009-10-20  Doug Kwan  <dougkwan@google.com>
7811
7812         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7813         symbols of relaxed input sections.
7814         * output.h (Output_section::find_relaxed_input_section): Make
7815         method public.
7816
7817 2009-10-16  Doug Kwan  <dougkwan@google.com>
7818
7819         * dynobj.cc (Versions::Versions): Initialize version_script_.
7820         Only insert base version symbol definition for a shared object
7821         if version script defines any version versions.
7822         (Versions::define_base_version): New method definition.
7823         (Versions::add_def): Check that base version is not needed.
7824         (Versions::add_need): Define base version lazily.
7825         * dynobj.h (Versions::define_base_version): New method declaration.
7826         (Versions::needs_base_version_): New data member declaration.
7827         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7828         (check_DATA): Add no_version_test.stdout.
7829         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7830         New make rules.
7831         * testsuite/Makefile.in: Regenerate.
7832         * testsuite/no_version_test.c: New file.
7833         * testsuite/no_version_test.sh: Ditto.
7834
7835 2009-10-16  Doug Kwan  <dougkwan@google.com>
7836
7837         * expression.cc (class Segment_start_expression): New class definition.
7838         (Segment_start_expression::value): New method definition.
7839         (script_exp_function_segment_start): Return a new
7840         Segment_start_expression.
7841         * gold/script-c.h (script_saw_segment_start_expression): New function
7842         prototype.
7843         * script-sections.cc (Script_sections::Script_sections): Initialize
7844         SAW_SEGMENT_START_EXPRESSION_ to false.
7845         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7846         and -Tbbs options to specify section addresses if given in
7847         command line and no SEGMENT_START expression is seen in a script.
7848         * script-sections.h (Script_sections::saw_segment_start_expression,
7849         Script_sections::set_saw_segment_start_expression): New method
7850         definition.
7851         (Script_sections::saw_segment_start_expression_): New data member
7852         declaration.
7853         * script.cc (script_saw_segment_start_expression): New function.
7854         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7855         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7856         script_test_7.sh and script_test_8.sh.
7857         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7858         script_test_8.stdout.
7859         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7860         (script_test_6, script_test_6.stdout, script_test_7,
7861         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7862         * Makefile.in: Regenerate.
7863         * testsuite/script_test_6.sh: New file.
7864         * testsuite/script_test_6.t: Same.
7865         * testsuite/script_test_7.sh: Same.
7866         * testsuite/script_test_7.t: Same.
7867         * testsuite/script_test_8.sh: Same.
7868
7869 2009-10-16  Doug Kwan  <dougkwan@google.com>
7870
7871         * output.cc (Output_segment::set_section_list_address): Cast
7872         expressions to unsigned long long type to avoid format warnings.
7873
7874 2009-10-15  Ian Lance Taylor  <iant@google.com>
7875
7876         * script.cc (Script_options::add_symbol_assignment): Always add a
7877         dot assignment to script_sections_.
7878         * script-sections.cc (Script_sections::add_dot_assignment):
7879         Initialize if necessary.
7880
7881         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7882         program headers with no load segment if there is a linker script.
7883
7884         * layout.cc (Layout::set_segment_offsets): Align the file offset
7885         to the segment aligment for -N or -n with no load segment.
7886         * output.cc (Output_segment::add_output_section): Don't crash if
7887         the first section is a TLS section.
7888         (Output_segment::set_section_list_addresses): Print an error
7889         message if the address moves backward in a linker script.
7890         * script-sections.cc
7891         (Output_section_element_input::set_section_addresses): Don't
7892         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7893         (Orphan_output_section::set_section_addresses): Likewise.
7894
7895 2009-10-15  Doug Kwan  <dougkwan@google.com>
7896
7897         * layout.cc (Layout::finish_dynamic_section): Generate tags
7898         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7899         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7900         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7901
7902 2009-10-14  Ian Lance Taylor  <iant@google.com>
7903
7904         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7905         fields.
7906         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7907         data_shdr fields of relinfo.
7908         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7909         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7910         R_386_TLS_LDO_32, adjust based on section flags.
7911         (Target_i386::Relocate::fix_up_ldo): Remove.
7912
7913 2009-10-13  Ian Lance Taylor  <iant@google.com>
7914
7915         Add support for -pie.
7916         * options.h (class General_options): Add -pie and
7917         --pic-executable.
7918         (General_options::output_is_position_independent): Test -pie.
7919         (General_options::output_is_executable): Return true if not shared
7920         and not relocatable.
7921         (General_options::output_is_pie): Remove.
7922         * options.cc (General_options::finalize): Reject incompatible uses
7923         of -pie.
7924         * gold.cc (queue_middle_tasks): A -pie link is not static.
7925         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7926         * symtab.cc (Symbol::final_value_is_known): Return false if
7927         output_is_position_independent.
7928         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7929         output_is_position_independent.
7930         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7931         output_is_position_independent.
7932         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7933         output_is_position_independent.
7934         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7935         two_file_pie_test.
7936         (basic_pie_test.o, basic_pie_test): New targets.
7937         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7938         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7939         (two_file_pie_test): New target.
7940         * testsuite/Makefile.in: Rebuild.
7941         * README: Remove note saying that -pie is not supported.
7942
7943 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7944
7945         * options.h (class General_options): Add -init and -fini.
7946         * layout.cc (Layout::finish_dynamic_section): Emit
7947         given init and fini functions.
7948
7949 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7950
7951         * gc.h (gc_process_relocs): Check if icf is enabled using new
7952         function.
7953         * gold.cc (queue_initial_tasks): Likewise.
7954         (queue_middle_tasks): Likewise.
7955         * object.cc (do_layout): Likewise.
7956         * symtab.cc (is_section_folded): Likewise.
7957         * main.cc (main): Likewise.
7958         * reloc.cc (Read_relocs::run): Likewise.
7959         (Sized_relobj::do_scan_relocs): Likewise.
7960         * icf.cc (is_function_ctor_or_dtor): New function.
7961         (Icf::find_identical_sections): Check if function is ctor or dtor when
7962         safe icf is chosen.
7963         * options.h (General_options::icf): Change option to be an enum.
7964         (Icf_status): New enum.
7965         (icf_enabled): New method.
7966         (icf_safe_folding): New method.
7967         (set_icf_status): New method.
7968         (icf_status_): New variable.
7969         * (options.cc) (General_options::finalize): Set icf_status_.
7970         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7971         icf_test and icf_keep_unique_test to use the --icf enum flag.
7972         * testsuite/icf_safe_test.sh: New file.
7973         * testsuite/icf_safe_test.cc: New file.
7974
7975 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7976
7977         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7978         includes to gc.h and icf.h.
7979         * arm.cc: Include gc.h.
7980         * gold.cc: Likewise.
7981         * i386.cc: Likewise.
7982         * powerpc.cc: Likewise.
7983         * sparc.cc: Likewise.
7984         * x86_64.cc: Likewise.
7985         * gc.h: Include icf.h.
7986
7987 2009-10-11  Ian Lance Taylor  <iant@google.com>
7988
7989         * plugin.cc: Include "gold.h" before other header files.
7990
7991 2009-10-10  Chris Demetriou  <cgd@google.com>
7992
7993         * options.h (Input_file_argument::Input_file_type): New enum.
7994         (Input_file_argument::is_lib_): Replace with...
7995         (Input_file_argument::type_): New member.
7996         (Input_file_argument::Input_file_argument): Take Input_file_type
7997         'type' rather than boolean 'is_lib' as second argument.
7998         (Input_file_argument::is_lib): Use type_.
7999         (Input_file_argument::is_searched_file): New function.
8000         (Input_file_argument::may_need_search): Handle is_searched_file.
8001         * options.cc (General_options::parse_library): Support -l:filename.
8002         (General_options::parse_just_symbols): Update for Input_file_argument
8003         changes.
8004         (Command_line::process): Likewise.
8005         * archive.cc (Archive::get_file_and_offset): Likewise.
8006         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8007         * script.cc (read_script_file, script_add_file): Likewise.
8008         * fileread.cc (Input_file::Input_file): Likewise.
8009         (Input_file::will_search_for): Handle is_searched_file.
8010         (Input_file::open): Likewise.
8011         * readsyms.cc (Read_symbols::get_name): Likewise.
8012         * testsuite/Makefile.am (searched_file_test): New test.
8013         * testsuite/Makefile.in: Regenerate.
8014         * testsuite/searched_file_test.cc: New file.
8015         * testsuite/searched_file_test_lib.cc: New file.
8016
8017 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8018             Ian Lance Taylor  <iant@google.com>
8019
8020         * descriptor.cc: Include <cstdio> and "binary-io.h".
8021         (Descriptors::open): Open the files in binary mode always.
8022         * script.cc (Lex::get_token): Treat \r as whitespace.
8023
8024 2009-10-09  Ian Lance Taylor  <iant@google.com>
8025
8026         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8027
8028 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8029             Ian Lance Taylor  <iant@google.com>
8030
8031         * configure.ac: Check for readv function also.
8032         * fileread.cc (readv): Define if not HAVE_READV.
8033         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8034         does not exist.
8035         * config.in: Regenerate.
8036         * configure: Regenerate.
8037
8038 2009-10-09  Doug Kwan  <dougkwan@google.com>
8039
8040         * layout.cc (Layout::make_output_section): Call target hook to make
8041         ordinary output section.
8042         (Layout::finalize): Adjust parameter list of call the
8043         Target::may_relax().
8044         * layout.h (class Layout::section_list): New method.
8045         * merge.h (Output_merge_base::entsize): Change visibility to public.
8046         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8047         New methods.
8048         (Output_merge_string::do_is_string): New method.
8049         * object.cc (Sized_relobj::do_setup): renamed from
8050         Sized_relobj::set_up.
8051         * object.h (Sized_relobj::adjust_shndx,
8052         Sized_relobj::initializ_input_to_output_maps,
8053         Sized_relobj::free_input_to_output_maps): Change visibilities to
8054         protected.
8055         (Sized_relobj::setup): Virtualize.
8056         (Sized_relobj::do_setup): New method declaration.
8057         (Sized_relobj::invalidate_section_offset,
8058         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8059         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8060         * options.cc (parse_int): New function.
8061         * options.h (parse_int): New declaration.
8062         (DEFINE_int): New macro.
8063         (stub_group_size): New option.
8064         * output.cc (Output_section::Output_section): Initialize memebers
8065         merge_section_map_, merge_section_by_properties_map_,
8066         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8067         (Output_section::add_input_section): Handled deferred code-fill
8068         generation and remove an old comment.
8069         (Output_section::add_relaxed_input_section): New method definition.
8070         (Output_section::add_merge_input_section): Use merge section by
8071         properties map to speed to search.  Update merge section maps
8072         as appropriate.
8073         (Output_section::build_relaxation_map): New method definition.
8074         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8075         Same.
8076         (Output_section::relax_input_section): Renamed to
8077         Output_section::convert_input_sections_to_relaxed_sections and change
8078         interface to take a vector of pointers to relaxed sections.
8079         (Output_section::find_merge_section,
8080         Output_section::find_relaxed_input_section): New method definitions.
8081         (Output_section::is_input_address_mapped,
8082         Output_section::output_offset, Output_section::output_address):
8083         Use output section data maps to speed up searching.
8084         (Output_section::find_starting_output_address): Add comments.
8085         (Output_section::do_write,
8086         Output_section::write_to_postprocessing_buffer): Do code-fill
8087         generation as appropriate.
8088         (Output_section::get_input_sections): Invalidate relaxed input section
8089         map.
8090         (Output_section::restore_states): Adjust type of checkpoint .
8091         Invalidate relaxed input section map.
8092         * output.h (Output_merge_base): New class declaration.
8093         (Input_section_specifier): New class defintion.
8094         (class Output_relaxed_input_section) Change base class to
8095         Output_section_data_build.
8096         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8097         base class initializer.
8098         (Output_section::add_relaxed_input_section): New method declaration.
8099         (Output_section::Input_section): Change visibility to protected.
8100         (Output_section::Input_section::relobj,
8101         Output_section::Input_section::shndx): Handle relaxed input sections.
8102         Output_section::input_sections) Change visibility to protected.  Also
8103         define overload to return a non-const pointer.
8104         (Output_section::Merge_section_properties): New class defintion.
8105         (Output_section::Merge_section_by_properties_map,
8106         Output_section::Output_section_data_by_input_section_map,
8107         Output_section::Relaxation_map): New types.
8108         (Output_section::relax_input_section): Rename method to
8109         Output_section::convert_input_sections_to_relaxed_sections and change
8110         interface to take a vector of relaxed section pointers.
8111         (Output_section::find_merge_section,
8112         Output_section::find_relaxed_input_section,
8113         Output_section::build_relaxation_map,
8114         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8115         New method declarations.
8116         (Output_section::merge_section_map_
8117         Output_section::merge_section_by_properties_map_,
8118         Output_section::relaxed_input_section_map_,
8119         Output_section::is_relaxed_input_section_map_valid_,
8120         Output_section::generate_code_fills_at_write_): New data members.
8121         * script-sections.cc
8122         (Output_section_element_input::set_section_addresses): Call
8123         current_data_size and addralign methods of relaxed input sections.
8124         (Orphan_output_section::set_section_addresses): Call current_data_size
8125         and addralign methods of relaxed input sections.
8126         * symtab.cc (Symbol_table::compute_final_value): Extract template
8127         from the body of Symbol_table::sized_finalize_symbol.
8128         (Symbol_table::sized_finalized_symbol): Call
8129         Symbol_table::compute_final_value.
8130         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8131         (Symbol_table::compute_final_value): New templated method declaration.
8132         * target.cc (Target::do_make_output_section): New method defintion.
8133         * target.h (Target::make_output_section): New method declaration.
8134         (Target::relax): Add more parameters for input objects, symbol table
8135         and layout.  Adjust call to do_relax.
8136         (Target::do_make_output_section): New method declaration.
8137         (Target::do_relax): Add parameters for input objects, symbol table
8138         and layout.
8139
8140 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8141
8142         * pread.c: Include stdio.h.
8143
8144 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8145
8146         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8147         defined.
8148
8149 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8150
8151         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8152         Change read_shndx type to unsigned int.
8153         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8154         int.
8155         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8156         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8157         Change read_shndx type to unsigned int.
8158         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8159         int.
8160         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8161         * layout.cc (Layout::create_symtab_sections): Cast the result of
8162         local_symcount * symsize to off_t in the gold_assert.
8163
8164 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8165
8166         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8167         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8168         R_ARM_BASE_ABS.
8169         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8170         (Arm_relocate_functions::thm_abs5): New function.
8171         (Arm_relocate_functions::abs12): New function.
8172         (Arm_relocate_functions::abs16): New function.
8173         (Arm_relocate_functions::base_abs): New function.
8174         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8175         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8176         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8177         R_ARM_BASE_ABS.
8178         (Scan::global): Likewise.
8179         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8180         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8181         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8182         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8183         R_ARM_BASE_ABS.
8184
8185 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8186
8187         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8188         (Arm_relocate_functions::movt_prel): New function.
8189         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8190         (Arm_relocate_functions::thm_movt_prel): New function.
8191         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8192         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8193         (Scan::global, Relocate::relocate): Likewise.
8194         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8195
8196 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8197
8198         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8199         Incremental_checker.
8200         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8201         unsigned int.
8202         (class Incremental_inputs_header): New class.
8203         (Incremental_inputs_header_writer): Edit comment.
8204         (Incremental_inputs_entry): New class.
8205         (Incremental_inputs_entry_writer): Edit comment.
8206         (Sized_incremental_binary::do_find_incremental_inputs_section):
8207         Add *strtab_shndx parameter, fill it.
8208         (Sized_incremental_binary::do_check_inputs): New method.
8209         (Incremental_checker::can_incrementally_link_output_file): Use
8210         Sized_incremental_binary::check_inputs.
8211         (Incremental_inputs::report_command_line): Save command line in
8212         command_line_.
8213         * incremental.h:
8214         (Incremental_binary::find_incremental_inputs_section): New
8215         method.
8216         (Incremental_binary::do_find_incremental_inputs_section): Add
8217         strtab_shndx parameter.
8218         (Incremental_binary::do_check_inputs): New pure virtual method.
8219         (Sized_incremental_binary::do_check_inputs): Declare.
8220         (Incremental_checker::Incremental_checker): Add incremental_inputs
8221         parameter, use it to initialize incremental_inputs_.
8222         (Incremental_checker::incremental_inputs_): New field.
8223         (Incremental_checker::command_line): New method.
8224         (Incremental_checker::inputs): New method.
8225         (Incremental_checker::command_line_): New field.
8226
8227 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8228
8229         * incremental.cc: Include <cstdarg> and "target-select.h".
8230         (vexplain_no_incremental): New function.
8231         (explain_no_incremental): New function.
8232         (Incremental_binary::error): New method.
8233         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8234         method.
8235         (make_sized_incremental_binary): New function.
8236         (open_incremental_binary): New function.
8237         (can_incrementally_link_file): Add checks if output is ELF and has
8238         inputs section.
8239         * incremental.h: Include "elfcpp_file.h" and "output.h".
8240         (Incremental_binary): New class.
8241         (Sized_incremental_binary): New class.
8242         (open_incremental_binary): Declare.
8243         * object.cc (is_elf_object): Use
8244         elfcpp::Elf_recognizer::is_elf_file.
8245         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8246         * output.h (Output_file::filesize): New method.
8247
8248 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8249
8250         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8251         New function.
8252         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8253         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8254         function.
8255         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8256         function.
8257         (Arm_relocate_functions::movw_abs_nc): New function.
8258         (Arm_relocate_functions::movt_abs): New function.
8259         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8260         (Arm_relocate_functions::thm_movt_abs): New function.
8261         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8262         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8263         (Scan::global): Likewise.
8264         (Relocate::relocate): Likewise.
8265         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8266
8267 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8268
8269         * arm.cc (Arm_relocate_functions::got_prel) New function.
8270         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8271         (Relocate::relocate): Likewise.
8272         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8273
8274 2009-10-06  Ian Lance Taylor  <iant@google.com>
8275
8276         * options.h (class General_options): Define
8277         split_stack_adjust_size parameter.
8278         * object.h (class Object): Add uses_split_stack_ and
8279         has_no_split_stack_ fields.  Add uses_split_stack and
8280         has_no_split_stack accessor functions.  Declare
8281         handle_split_stack_section.
8282         (class Reloc_symbol_changes): Define.
8283         (class Sized_relobj): Define Function_offsets.  Declare
8284         split_stack_adjust, split_stack_adjust_reltype, and
8285         find_functions.
8286         * object.cc (Object::handle_split_stack_section): New function.
8287         (Sized_relobj::do_layout): Call handle_split_stack_section.
8288         * dynobj.cc (Sized_dynobj::do_layout): Call
8289         handle_split_stack_section.
8290         * reloc.cc (Sized_relobj::relocate_sections): Call
8291         split_stack_adjust for executable sections in split_stack
8292         objects.  Pass reloc_map to relocate_section.
8293         (Sized_relobj::split_stack_adjust): New function.
8294         (Sized_relobj::split_stack_adjust_reltype): New function.
8295         (Sized_relobj::find_functions): New function.
8296         * target-reloc.h: Include "object.h".
8297         (relocate_section): Add reloc_symbol_changes parameter.  Change
8298         all callers.
8299         * target.h (class Target): Add calls_non_split method.  Declare
8300         do_calls_non_split virtual method.  Declare match_view and
8301         set_view_to_nop.
8302         * target.cc: Include "elfcpp.h".
8303         (Target::do_calls_non_split): New function.
8304         (Target::match_view): New function.
8305         (Target::set_view_to_nop): New function.
8306         * gold.cc (queue_middle_tasks): Give an error if mixing
8307         split-stack and non-split-stack objects with -r.
8308         * i386.cc (Target_i386::relocate_section): Add
8309         reloc_symbol_changes parameter.
8310         (Target_i386::do_calls_non_split): New function.
8311         * x86_64.cc (Target_x86_64::relocate_section): Add
8312         reloc_symbol_changes parameter.
8313         (Target_x86_64::do_calls_non_split): New function.
8314         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8315         parameter.
8316         * powerpc.cc (Target_powerpc::relocate_section): Add
8317         reloc_symbol_changes parameter.
8318         * sparc.cc (Target_sparc::relocate_section): Add
8319         reloc_symbol_changes parameter.
8320         * configure.ac: Call AM_CONDITIONAL for the default target.
8321         * configure: Rebuild.
8322         * testsuite/Makefile.am (TEST_AS): New variable.
8323         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8324         (check_DATA): Add split_i386 and split_x86_64 files.
8325         (SPLIT_DEFSYMS): Define.
8326         (split_i386_[1234n].o): New targets.
8327         (split_i386_[124]): New targets.
8328         (split_i386_[1234r].stdout): New targets.
8329         (split_x86_64_[1234n].o): New targets.
8330         (split_x86_64_[124]): New targets.
8331         (split_x86_64_[1234r].stdout): New targets.
8332         (MOSTLYCLEANFILES): Add new executables.
8333         * testsuite/split_i386.sh: New file.
8334         * testsuite/split_x86_64.sh: New file.
8335         * testsuite/split_i386_1.s: New file.
8336         * testsuite/split_i386_2.s: New file.
8337         * testsuite/split_i386_3.s: New file.
8338         * testsuite/split_i386_4.s: New file.
8339         * testsuite/split_i386_n.s: New file.
8340         * testsuite/split_x86_64_1.s: New file.
8341         * testsuite/split_x86_64_2.s: New file.
8342         * testsuite/split_x86_64_3.s: New file.
8343         * testsuite/split_x86_64_4.s: New file.
8344         * testsuite/split_x86_64_n.s: New file.
8345         * testsuite/testfile.cc (Target_test): Update relocation_section
8346         function.
8347         * testsuite/Makefile.in: Rebuild.
8348
8349 2009-10-06  Ian Lance Taylor  <iant@google.com>
8350
8351         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8352         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8353         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8354         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8355         the address on ldo_addrs_.
8356         (Target_i386::Relocate::fix_up_ldo): New function.
8357
8358 2009-10-06   Rafael Espindola  <espindola@google.com>
8359
8360         * plugin.cc (add_input_library): New.
8361         (Plugin::load): Add add_input_library to tv.
8362         (Plugin_manager::add_input_file): Add the is_lib argument.
8363         (add_input_file): Update call to Plugin_manager::add_input_file.
8364         (add_input_library): New.
8365         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8366
8367 2009-09-30  Doug Kwan  <dougkwan@google.com>
8368
8369         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8370         symbol and call Symbol::may_need_copy_reloc to determine if
8371         a copy reloc is needed.
8372         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8373         nocopyreloc is given in command line.
8374         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8375         given in command line.
8376         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8377         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8378         of the removed Target_i386::may_need_copy_reloc.
8379         * options.h (copyreloc): New option with default value false.
8380         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8381         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8382         instead of the removed Target_powerpc::may_need_copy_reloc.
8383         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8384         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8385         instead of the removed Target_sparc::may_need_copy_reloc.
8386         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8387         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8388         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8389         instead of the removed Target_x86_64::may_need_copy_reloc.
8390
8391 2009-09-30  Ian Lance Taylor  <iant@google.com>
8392
8393         * object.h (class Object): Remove target_ field, and target,
8394         sized_target, and set_target methods.
8395         (Object::sized_target): Remove.
8396         (class Sized_relobj): Update declarations.  Remove sized_target.
8397         * object.cc (Sized_relobj::setup): Remove target parameter.
8398         Change all callers.
8399         (Input_objects::add_object): Don't do anything with the target.
8400         (make_elf_sized_object): Add punconfigured parameter.  Change all
8401         callers.  Set or test parameter target.
8402         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8403         Change all callers.
8404         * parameters.cc (Parameters::set_target): Change parameter type to
8405         be non-const.
8406         (Parameters::default_target): Remove.
8407         (set_parameters_target): Change parameter type to be non-const.
8408         (parameters_force_valid_target): New function.
8409         (parameters_clear_target): New function.
8410         * parameters.h (class Parameters): Update declarations.  Remove
8411         default_target method.  Add sized_target and clear_target
8412         methods.  Change target_ to be non-const.
8413         (set_parameters_target): Update declaration.
8414         (parameters_force_valid_target): Declare.
8415         (parameters_clear_target): Declare.
8416         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8417         as NULL if we aren't searching.
8418         (Add_symbols::run): Don't check for compatible target.
8419         * fileread.cc (Input_file::open_binary): Call
8420         parameters_force_valid_target.
8421         * gold.cc (queue_middle_tasks): Likewise.
8422         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8423         set_target on object.
8424         * dynobj.h (class Sized_dynobj): Update declarations.
8425         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8426         make_elf_object returns NULL.
8427         (Archive::include_member): Don't check whether object target is
8428         compatible.
8429         * output.cc (Output_section::add_input_section): Get target from
8430         parameters.
8431         (Output_section::relax_input_section): Likewise.
8432         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8433         parameters.
8434         (Sized_relobj::do_scan_relocs): Likewise.
8435         (Sized_relobj::relocate_sections): Likewise.
8436         * resolve.cc (Symbol_table::resolve): Likewise.
8437         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8438         parameter.  Change all callers.
8439         (Symbol_table::add_from_object): Get target from parameters.
8440         (Symbol_table::add_from_relobj): Don't check object target.
8441         (Symbol_table::add_from_dynobj): Likewise.
8442         (Symbol_table::define_special_symbol): Get target from
8443         parameters.
8444         * symtab.h (class Symbol_table): Update declaration.
8445         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8446         parameter.  Change all callers.  Clear parameter target.
8447         (Binary_test): Test target here.
8448         * testsuite/object_unittest.cc (gold_testsuite): Remove
8449         target_test_pointer parameter.  Change all callers.
8450         (Object_test): Test target here.
8451
8452 2009-09-26  Ian Lance Taylor  <iant@google.com>
8453
8454         * testsuite/initpri1.c: Don't try to use constructor priorities if
8455         compiling with gcc before 4.3.
8456
8457 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8458
8459         * testsuite/retain_symbols_file_test.sh (check_present): Change
8460         output file name to retain_symbols_file_test.stdout.
8461         (check_absent): Likewise.
8462
8463 2009-09-18  Craig Silverstein  <csilvers@google.com>
8464
8465         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8466         * options.cc: Include <cerrno> and <fstream>.
8467         (General_options::finalize): Parse -retain-symbols-file tag.
8468         * options.h: New flag.
8469         (General_options): New method should_retain_symbol, new
8470         variable symbols_to_retain.
8471         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8472         should_retain_symbol map.
8473         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8474         * testsuite/Makefile.in: Regenerate.
8475         * testsuite/retain_symbols_file_test.sh: New file.
8476
8477 2009-09-18  Nick Clifton  <nickc@redhat.com>
8478
8479         * po/es.po: Updated Spanish translation.
8480
8481 2009-09-17  Doug Kwan  <dougkwan@google.com>
8482
8483         * debug.h (DEBUG_RELAXATION): New constant.
8484         (DEBUG_ALL): Add DEBUG_RELAXATION.
8485         (debug_string_to_enum): Add relaxation debug option.
8486         * layout.cc
8487         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8488         Layout::Relaxation_debug_check::read_sections,
8489         Layout::Relaxation_debug_check::read_sections): New method definitions.
8490         (Layout::Layout): Initialize data members
8491         record_output_section_data_from_scrips_,
8492         script_output_section_data_list_ and relaxation_debug_check_.
8493         (Layout::save_segments, Layout::restore_segments,
8494         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8495         Layout::relaxation_loop_body): New method definitions.
8496         (Layout::finalize): Support relaxation.  Move section layout code to
8497         Layout::relaxation_loop_body.
8498         (Layout::set_asection_address_from_script): Move code for orphan
8499         section placement out.
8500         (Layout::place_orphan_sections_in_script): New method definition.
8501         * layout.h (Output_segment_headers, Output_file_header):
8502         New forward class declarations.
8503         (Layout::~Layout): Define.
8504         (Layout::new_output_section_data_from_script): New method definition.
8505         (Layout::place_orphan_sections_in_script): New method declaration.
8506         (Layout::Segment_states): New type declaration.
8507         (Layout::save_segments, Layout::restore_segments,
8508         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8509         Layout::relaxation_loop_body): New method declarations.
8510         (Layout::Output_section_data_list): New type declaration.
8511         (Layout::Relaxation_debug_check): New class definition.
8512         (Layout::record_output_section_data_from_script_,
8513         Layout::script_output_section_data_list_, Layout::segment_states_,
8514         Layout::relaxation_debug_check_): New data members.
8515         * output.cc: (Output_section_headers::do_size): New method definition.
8516         (Output_section_headers::Output_section_headers): Move size
8517         computation to Output_section_headers::do_size.
8518         (Output_segment_headers::do_size): New method definition.
8519         (Output_file_header::Output_file_header): Move size computation to
8520         Output_file_header::do_size and call it.
8521         (Output_file_header::do_size): New method definition.
8522         (Output_data_group::Output_data_group): Adjust call to
8523         Output_section_data.
8524         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8525         (Output_symtab_xindex::do_write): Add array bound check.
8526         (Output_section::Input_section::print_to_mapfile): Handle
8527         RELAXED_INPUT_SECTION_CODE.
8528         (Output_section::Output_section): Initialize data member checkpoint_.
8529         (Output_section::~Output_section): Delete checkpoint object pointed
8530         by checkpoint_.
8531         (Output_section::add_input_section): Always add an Input_section if
8532         relaxing.
8533         (Output_section::add_merge_input_section): Add assert.
8534         (Output_section::relax_input_section): New method definition.
8535         (Output_section::set_final_data_size): Set load address to zero for
8536         an unallocated section.
8537         (Output_section::do_address_and_file_offset_have_reset_values):
8538         New method definition.
8539         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8540         Handle relaxed input section.
8541         (Output_section::sort_attached_input_sections): Checkpoint input
8542         section list lazily.
8543         (Output_section::get_input_sections): Change type of input_sections to
8544         list of Simple_input_section pointers.  Checkpoint input section list
8545         lazily.  Also handle relaxed input sections.
8546         (Output_section::add_input_section_for_script): Take a reference to
8547         a Simple_input_section object instead of Relobj pointer and section
8548         index as parameter.  Handle relaxed input sections.
8549         (Output_section::save_states, Output_section::restore_states): New
8550         method definitions.
8551         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8552         (Output_data::is_data_size_fixed): New method definition.
8553         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8554         if it is fixed.
8555         (Output_data::address_and_file_offset_have_reset_values): New method
8556         definition.
8557         (Output_data::do_address_and_file_offset_have_reset_values): New method
8558         definition.
8559         (Output_data::set_data_size): Check that data size is not fixed.
8560         (Output_data::fix_data_size): New method definition.
8561         (Output_data::is_data_size_fixed_): New data member.
8562         (Output_section_headers::set_final_data_size): New method definition.
8563         (Output_section_headers::do_size): New method declaration.
8564         (Output_segment_headers::set_final_data_size): New method definition.
8565         (Output_segment_headers::do_size): New method declaration.
8566         (Output_file_header::set_final_data_size)::New method definition.
8567         (Output_file_header::do_size)::New method declaration.
8568         (Output_section_data::Output_section_data): Add new parameter
8569         is_data_size_fixed and use it to fix data size.
8570         (Output_data_const::Output_data_const): Adjust call to base class
8571         constructor and fix data size.
8572         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8573         base class constructor and fix data size.
8574         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8575         base class constructor and fix data size.
8576         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8577         class constructor and fix data size.
8578         (Output_data_group::set_final_data_size): New method definition.
8579         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8580         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8581         class constructor and fix data size.
8582         (Output_relaxed_input_section): New class definition.
8583         (Output_section::Simple_input_section): New class definition.
8584         (Output_section::get_input_sections): Adjust parameter list.
8585         (Output_section::add_input_section_for_script): Same.
8586         (Output_section::save_states, Output_section::restore_states,
8587         Output_section::do_address_and_file_offset_have_reset_values,
8588         (Output_section::Input_section::Input_section): Handle
8589         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8590         Output_relaxed_input_section.
8591         (Output_section::Input_section::is_input_section,
8592         Output_section::Input_section::set_output_section): Handle relaxed
8593         input section.
8594         (Output_section::Input_section::is_relaxed_input_section,
8595         Output_section::Input_section::output_section_data,
8596         Output_section::Input_section::relaxed_input_section): New method
8597         definitions.
8598         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8599         value.
8600         (Output_section::Input_section::u1_): Update comments.
8601         (Output_section::Input_section::u2_): Add new union member poris.
8602         (Output_section::Checkpoint_output_section): New classs definition.
8603         (Output_section::relax_input_section): New method declaration.
8604         (Output_section::checkpoint_): New data member.
8605         (Output_segment): Update comments.
8606         (Output_segment::Output_segment): Un-privatize copy constructor.
8607         (Output_segment::operator=): Un-privatize.
8608         * script-sections.cc (Output_section_element::Input_section_list):
8609         Change element type to Output_section::Simple_input_section.
8610         (Output_section_element_dot_assignment::set_section_addresses):
8611         Register output section data for relaxation clean up.
8612         (Output_data_exression::Output_data_expression): Adjust call to base
8613         constructor to fix data size.
8614         (Output_section_element_data::set_section_addresses): Register
8615         Output_data_expression object for relaxation clean up.
8616         (struct Input_section_info): Replace Relobj pointer and section index
8617         pair with Output_section::Simple_input_section and Convert struct to a
8618         class.
8619         (Input_section_sorter::operator()): Adjust access to
8620         Input_section_info data member to use accessors.
8621         (Output_section_element_input::set_section_addresses): Use layout
8622         parameter.  Adjust code to use Output_section::Simple_input_section
8623         and Input_secction_info classes.  Register filler for relaxation
8624         clean up.
8625         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8626         and section index pair with Output_section::Simple_input_section
8627         class.  Adjust code accordingly.
8628         (Phdrs_element::release_segment): New method definition.
8629         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8630         segment list.
8631         (Script_sections::release_segments): New method definition.
8632         * gold/script-sections.h (Script_sections::release_segments): New
8633         method declaration.
8634         * gold/target.h (Target::may_relax, Target::relax,
8635         Target::do_may_relax, Target::do_relax): New method definitions.
8636
8637 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8638
8639         * arm.cc (has_signed_unsigned_overflow): New function.
8640         (Arm_relocate_functions::abs8): New function.
8641         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8642         (Target_arm::Scan::global): Likewise.
8643         (Target_arm::relocate::relocate): Likewise.
8644         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8645         Likewise.
8646
8647 2009-09-16  Cary Coutant  <ccoutant@google.com>
8648
8649         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8650         * testsuite/Makefile.in: Regenerate.
8651
8652 2009-09-11  Nick Clifton  <nickc@redhat.com>
8653
8654         * po/gold.pot: Updated by the Translation project.
8655
8656 2009-09-08  Cary Coutant  <ccoutant@google.com>
8657
8658         * output.cc (Output_file::open): Add execute permission to empty file.
8659         * testsuite/Makefile.am (permission_test): New test.
8660         * testsuite/Makefile.in: Regenerate.
8661
8662 2009-09-02  Ian Lance Taylor  <iant@google.com>
8663
8664         * output.cc (Output_file::resize): Call map_no_anonymous rather
8665         than map.
8666
8667 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8668
8669         * gold.cc: Include "incremental.h".
8670         (queue_initial_tasks): Call Incremental_checker methods.
8671         * incremental.cc: Include "output.h".
8672         (Incremental_checker::can_incrementally_link_output_file): New
8673         method.
8674         * incremental.h (Incremental_checker): New class.
8675
8676         * output.cc (Output_file::open_for_modification): New method.
8677         (Output_file::map_anonymous): Changed return type to bool.  Record
8678         map in base_ field.
8679         (Output_file::map_no_anonymous): New method, broken out of map.
8680         (Output_file::map): Use map_no_anonymous and map_anonymous.
8681         * output.h (class Output_file): Update declarations.
8682
8683 2009-08-24  Cary Coutant  <ccoutant@google.com>
8684
8685         * options.h (Command_line::Pre_options): New class.
8686         (Command_line::pre_options): New member.
8687         * options.cc (gold::options::ready_to_register): New variable.
8688         (One_option::register_option): Do nothing if not registering options.
8689         Assert if same short option registered twice.
8690         (General_options::General_options): Turn off option registration when
8691         done constructing.
8692         (Command_line::Pre_options::Pre_options): New constructor.
8693
8694 2009-08-24  Cary Coutant  <ccoutant@google.com>
8695
8696         * options.h (General_options::no_keep_memory): Remove incorrect
8697         short option.
8698
8699 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8700
8701         * Makefile.am (am__skiplex, am__skipyacc): New.
8702         * Makefile.in: Regenerate.
8703
8704 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8705
8706         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8707         (INCLUDES): ... this.
8708         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8709         (AM_CPPFLAGS): Renamed from ...
8710         (INCLUDE): ... this.
8711         * Makefile.in, testsuite/Makefile.in: Regenerate.
8712
8713         * Makefile.in: Regenerate.
8714         * aclocal.m4: Likewise.
8715         * config.in: Likewise.
8716         * configure: Likewise.
8717         * testsuite/Makefile.in: Likewise.
8718
8719         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8720         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8721         * Makefile.in: Regenerate.
8722         * testsuite/Makefile.in: Regenerate.
8723
8724 2009-08-19  Cary Coutant  <ccoutant@google.com>
8725
8726         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8727         symbols in shared libraries overridden by hidden or internal symbols
8728         in the main program.
8729
8730 2009-08-19  Chris Demetriou  <cgd@google.com>
8731
8732         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8733         checking source file names in error messages.
8734
8735 2009-08-18  Doug Kwan  <dougkwan@google.com>
8736
8737         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8738         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8739         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8740         an elfcpp::Ehdr as parameter.
8741         * object.cc (Object::set_target): Remove the version that looks up
8742         a target and sets it.
8743         (Sized_relobj::setup): Take a Target object instead of
8744         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8745         (make_elf_sized_object): Find target and ask target to
8746         make an ELF object.
8747         * object.h: (Object::set_target): Remove the version that looks up
8748         a target and sets it.
8749         (Sized_relobj::setup): Take a Target object instead of
8750         an elfcpp:Ehdr as parameter.
8751         * target.cc: Include dynobj.h.
8752         (Target::do_make_elf_object_implementation): New.
8753         (Target::do_make_elf_object): New.
8754         * target.h (Target::make_elf_object): New template declaration.
8755         (Target::do_make_elf_object): New method declarations.
8756         (Target::do_make_elf_object_implementation): New template declaration.
8757
8758 2009-08-14  Ian Lance Taylor  <iant@google.com>
8759
8760         * gold.h (FUNCTION_NAME): Define.
8761         (gold_unreachable): Use FUNCTION_NAME.
8762
8763 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8764
8765         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8766         symbol in the --keep-unique list is not found.
8767
8768 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8769
8770         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8771         been maked as --keep-unique.
8772         (Icf::unfold_section): New function.
8773         * icf.h (Icf::unfold_section): New function.
8774         * options.h (General_options::keep_unique): New option.
8775         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8776         * testsuite/Makefile.in: Regenerate.
8777         * testsuite/icf_keep_unique_test.sh: New file.
8778         * testsuite/icf_keep_unique_test.cc: New file.
8779
8780 2009-08-12  Cary Coutant  <ccoutant@google.com>
8781
8782         PR 10471
8783         * resolve.cc (Symbol_table::resolve): Check for references from
8784         dynamic objects to hidden and internal symbols.
8785         * testsuite/Makefile.am (hidden_test.sh): New test.
8786         * testsuite/Makefile.in: Regenerate.
8787         * testsuite/hidden_test.sh: New script.
8788         * testsuite/hidden_test_1.c: New test source.
8789         * testsuite/hidden_test_main.c: New test source.
8790
8791 2009-08-11  Doug Kwan  <dougkwan@google.com>
8792
8793         * arm.cc: Update comments.
8794         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8795         segment to locate the .ARM.exidx section if present.
8796
8797 2009-08-09  Doug Kwan  <dougkwan@google.com>
8798
8799         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8800         patch.
8801
8802 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8803         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8804         compiler warnings.
8805
8806 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8807
8808         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8809         valid tls_segment only for non-debug-section relocations.
8810         * testsuite/Makefile.am: Add gc_tls_test.
8811         * testsuite/Makefile.in: Regenerate.
8812         * testsuite/gc_tls_test.cc: New file.
8813         * testsuite/gc_tls_test.sh: New file.
8814
8815 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8816
8817         * icf.cc: New file.
8818         * icf.h: New file.
8819         * Makefile.am (CCFILES): Add icf.cc.
8820         (HFILES): Add icf.h
8821         * Makefile.in: Regenerate.
8822         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8823         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8824         section, symbol and addend information for the relocs.
8825         * gold.cc (queue_middle_tasks): Call identical code folding.
8826         * gold.h: Add defines for multimap.
8827         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8828         to the call of finalize_local_symbols.
8829         * main.cc (main): Create object of class Icf.
8830         * object.cc (Sized_relobj::do_layout): Allow this function to be
8831         called twice during icf.
8832         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8833         to sections marked as identical by icf.
8834         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8835         when available.
8836         (Sized_relobj::do_section_entsize): New function.
8837         * object.h (Object::section_entsize): New function.
8838         (Object::do_section_entsize): New pure virtual function.
8839         (Relobj::finalize_local_symbols): Add new parameter.
8840         (Relobj::do_section_entsize): New function.
8841         * options.h (General_options::icf): New option.
8842         (General_options::icf_iterations): New option.
8843         (General_options::print_icf_sections): New option.
8844         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8845         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8846         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8847         icf.
8848         * symtab.cc (Symbol_table::is_section_folded): New function.
8849         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8850         to sections marked as identical by icf.
8851         * symtab.h (Symbol_table::set_icf): New function.
8852         (Symbol_table::icf): New function.
8853         (Symbol_table::is_section_folded): New function.
8854         (Symbol_table::icf_): New data member.
8855         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8856         * testsuite/Makefile.am: Add commands to build icf_test.
8857         * testsuite/Makefile.in: Regenerate.
8858         * testsuite/icf_test.sh: New file.
8859         * testsuite/icf_test.cc: New file.
8860
8861 2009-07-24  Chris Demetriou  <cgd@google.com>
8862
8863         * layout.cc (is_compressible_debug_section): Fix incorrect
8864         comment about compressed section names.
8865
8866 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8867
8868         PR 10419
8869         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8870
8871 2009-07-16  Ian Lance Taylor  <iant@google.com>
8872
8873         PR 10400
8874         * layout.h: #include <map>.
8875         (class Kept_section): Change from struct to class.  Add accessors
8876         and setters.  Add section size to Comdat_group mapping.  Change
8877         Comdat_group to std::map.  Add is_comdat_ field.  Add
8878         linkonce_size field in union.
8879         (class Layout): Update declaration of find_or_add_kept_section.
8880         Don't declare find_kept_object.
8881         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8882         parameter.  Add object, shndx, is_comdat, and is_group_name
8883         parameters.  Change all callers.  Adjust for new Kept_section.
8884         (Layout::find_kept_object): Remove.
8885         * object.cc (Sized_relobj::include_section_group): Update use of
8886         Kept_section.  Rename secnum to shndx.  Only record
8887         Kept_comdat_section if sections are the same size.
8888         (Sized_relobj::include_linkonce_section): Update use of
8889         Kept_section.  Only record Kept_comdat_section if sections are the
8890         same size.  Set size of linkonce section.
8891         (Sized_relobj::map_to_kept_section): Update call to
8892         get_kept_comdat_section.
8893         * object.h (class Sized_relobj): Rename fields in
8894         Kept_comdat_section to drop trailing underscores; change object
8895         field to Relobj*.  Change Kept_comdat_section_table to store
8896         struct rather than pointer.
8897         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8898         Add kept_object and kept_shndx parameters.  Change all callers.
8899         (Sized_relobj::get_kept_comdat_section): Change return type to
8900         bool.  Add kept_object and kept_shndx parameters.  Change all
8901         callers.
8902         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8903         Layout::find_or_add_kept_section.
8904
8905 2009-07-09  Ian Lance Taylor  <iant@google.com>
8906
8907         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8908         Reserve space in the hash table.
8909
8910 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8911
8912         * fileread.cc (File_read::get_mtime): New method.
8913         * fileread.h (Timespec): New structure.
8914         (File_read::get_mtime): New method.
8915         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8916         Renamed from timestamp_nsec.
8917         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8918         Elf_Xword.
8919         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8920         timestamp_nsec.
8921         (Incremental_inputs::report_archive): Save mtime; style fix.
8922         (Incremental_inputs::report_obejct): Save mtime; style fix.
8923         (Incremental_inputs::report_script): Save mtime; style fix.
8924         (Incremental_inputs::finalize_inputs): Style fix.
8925         (Incremental_inputs::finalize): Style fix.
8926         (Incremental_inputs::create_input_section_data): Store inputs
8927         mtime.
8928         * incremental.h (Incremental_inputs::report_script): Add mtime
8929         argument.
8930         (Incremental_inputs::Input_info::Input_info): Intialize only one
8931         union member.
8932         (Incremental_inputs::Input_info::archive): Move to nameless
8933         union.
8934         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8935         (Incremental_inputs::Input_info::script): Move to nameless union.
8936         (Incremental_inputs::mtime): New field.
8937         * script.cc (read_input_script): Pass file mtime to
8938         Incremental_input.
8939         * script.h (Script_info::inputs): Style fix.
8940
8941 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8942
8943         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8944         instead of 32.
8945
8946 2009-06-24  Ian Lance Taylor  <iant@google.com>
8947
8948         PR 10156
8949         * layout.cc (Layout::choose_output_section): If we find an
8950         existing section, update the flags.
8951         (Layout::create_notes): New function, broken out of
8952         Layout::finalize.
8953         (Layout::finalize): Don't create note sections.
8954         (Layout::create_note): Don't crash if linker script discards
8955         section.
8956         (Layout::create_gold_note): Likewise.
8957         (Layout::create_build_id): Likewise.  Don't set
8958         after_input_sections on the section.
8959         (Layout::create_executable_stack_info): Remove target parameter.
8960         Change caller.
8961         * layout.h (class Layout): Declare create_notes.  Update
8962         declaration of create_executable_stack_info.
8963         * gold.cc (queue_middle_tasks): Call create_notes.
8964         * output.cc (Output_section::update_flags_for_input_section): Move
8965         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8966         invalid.
8967         * output.h (Output_data::mark_address_invalid): New function.
8968         (class Output_section): Only declare, not define,
8969         update_flags_for_input_section.  Remove set_flags.
8970
8971 2009-06-24  Ian Lance Taylor  <iant@google.com>
8972
8973         * script-sections.cc (Output_section_definition::
8974         set_section_addresses): Rename shadowing local load_address to
8975         laddr.
8976
8977 2009-06-24  Ian Lance Taylor  <iant@google.com>
8978
8979         PR 10244
8980         * reloc.cc (relocate_sections): Skip empty relocation sections.
8981
8982 2009-06-23  Ian Lance Taylor  <iant@google.com>
8983
8984         PR 10156
8985         * layout.cc (Layout::create_note): Use choose_output_section
8986         rather than make_output_section.
8987
8988 2009-06-23  Ian Lance Taylor  <iant@google.com>
8989
8990         PR 10237
8991         * options.cc (General_options::parse_V): Set printed_version_.
8992         (General_options::General_options): Initialize printed_version_.
8993         * options.h (class General_options): Add printed_version_ field.
8994         * gold.cc (queue_initial_tasks): If there are no input files,
8995         don't give a fatal error if we printed the version information.
8996         (queue_middle_tasks): If using -r with a shared object, give a
8997         fatal error rather than an ordinary error.
8998
8999 2009-06-23  Ian Lance Taylor  <iant@google.com>
9000
9001         PR 10219
9002         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9003         (Layout::make_output_section): Set have_stabstr_section_ if we see
9004         a .stab*str section.
9005         (Layout::finalize): Call link_stabs_sections.
9006         (Layout::link_stabs_sections): New file.
9007         * layout.h (class Layout): Add have_stabstr_section_ field.
9008         Declare link_stabs_sections.
9009
9010 2009-06-23  Doug Kwan  <dougkwan@google.com>
9011
9012         * Makefile.am (libgold_a_LIBADD): New.
9013         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9014         * Makefile.in: Regenerate.
9015         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9016         * configure: Regenerate.
9017         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9018         * fileread.cc: Include sys/state.h
9019         * gold.h: Declare memmem and strndup if found missing.
9020         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9021
9022 2009-06-23  Ian Lance Taylor  <iant@google.com>
9023
9024         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9025         * configure: Rebuild.
9026
9027 2009-06-23  Ian Lance Taylor  <iant@google.com>
9028
9029         PR 10147
9030         * object.cc (Object::section_contents): Don't try to get a view if
9031         the section has length zero.
9032         (Object::handle_gnu_warning_section): If the section is empty, use
9033         the name of the section as the warning.
9034
9035 2009-06-23  Ian Lance Taylor  <iant@google.com>
9036
9037         PR 10133
9038         * stringpool.h (class Stringpool_template): Add optimize_ field.
9039         (Stringpool_template::set_optimize): New function.
9040         * stringpool.cc (Stringpool_template::Stringpool_template):
9041         Initialize optimize_ field.
9042         (Stringpool_template::set_string_offsets): Test local optimize
9043         fild rather than parameter.
9044         * layout.cc (Layout::Layout): Call set_optimize on the section
9045         name stringpool.
9046
9047 2009-06-22  Ian Lance Taylor  <iant@google.com>
9048
9049         PR 10030
9050         * yyscript.y: Parse TARGET.
9051         * script.cc (script_set_target): New function.
9052         * script-c.h (script_set_target): Declare.
9053         * options.cc (General_options::string_to_object_format): Rename
9054         from string_to_object_format in anonymous namespace.  Change
9055         callers.
9056         * options.h (class General_options): Declare
9057         string_to_object_format.
9058
9059 2009-06-22  Ian Lance Taylor  <iant@google.com>
9060
9061         * script-sections.cc (Script_sections::create_segments): Don't put
9062         program headers in a PT_LOAD segment if -n or -N.
9063
9064 2009-06-22  Ian Lance Taylor  <iant@google.com>
9065
9066         PR 10141
9067         * options.h (class General_options): Add -z lazy and -z now.  Sort
9068         -z options into alphabetical order.
9069         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9070
9071 2009-06-21  Ian Lance Taylor  <iant@google.com>
9072
9073         * layout.cc (Layout::make_output_section): Call
9074         Target::new_output_section.
9075         (Layout::attach_allocated_section_to_segment): Put large section
9076         sections in a separate load segment with the large segment flag
9077         set.
9078         (Layout::segment_precedes): Sort large data segments after other
9079         load segments.
9080         (align_file_offset): New static function.
9081         (Layout::set_segment_offsets): Use align_file_offset.
9082         * output.h (class Output_section): Add is_small_section_ and
9083         is_large_section_ fields.
9084         (Output_section::is_small_section): New function.
9085         (Output_section::set_is_small_section):  New function.
9086         (Output_section::is_large_section): New function.
9087         (Output_section::set_is_large_section): New function.
9088         (Output_section::is_large_data_section): New function.
9089         (class Output_segment): Add is_large_data_segment_ field.
9090         (Output_segment::is_large_data_segment): New function.
9091         (Output_segment::set_is_large_data_segment): New function.
9092         * output.cc (Output_section::Output_section): Initialize new
9093         fields.
9094         (Output_segment::Output_segment): Likewise.
9095         (Output_segment::add_output_section): Add assertion that large
9096         data sections always go in large data segments.  Force small data
9097         sections to the end of the list of data sections.  Force small BSS
9098         sections to the start of the list of BSS sections.  For large BSS
9099         sections to the end of the list of BSS sections.
9100         * symtab.h (class Symbol): Declare is_common_shndx.
9101         (Symbol::is_defined): Check Symbol::is_common_shndx.
9102         (Symbol::is_common): Likewise.
9103         (class Symbol_table): Define enum Commons_section_type.  Update
9104         declarations.  Add small_commons_ and large_commons_ fields.
9105         * symtab.cc (Symbol::is_common_shndx): New function.
9106         (Symbol_table::Symbol_table): Initialize new fields.
9107         (Symbol_table::add_from_object): Put small and large common
9108         symbols in the right list.
9109         (Symbol_table::sized_finalized_symbol): Check
9110         Symbol::is_common_shndx.
9111         (Symbol_table::sized_write_globals): Likewise.
9112         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9113         common symbol lists.  Don't call do_allocate_commons_list if the
9114         list is empty.
9115         (Symbol_table::do_allocate_commons_list): Remove is_tls
9116         parameter.  Add comons_section_type parameter.  Change all
9117         callers.  Handle small and large common symbols.
9118         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9119         Symbol::is_common_shndx.
9120         * resolve.cc (symbol_to_bits): Likewise.
9121         * target.h (Target::small_common_shndx): New function.
9122         (Target::small_common_section_flags): New function.
9123         (Target::large_common_shndx): New function.
9124         (Target::large_common_section_flags): New function.
9125         (Target::new_output_section): New function.
9126         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9127         small_common_section_flags, and large_common_section_flags
9128         fields.
9129         (Target::do_new_output_section): New virtual function.
9130         * arm.cc (Target_arm::arm_info): Initialize new fields.
9131         * i386.cc (Target_i386::i386_info): Likewise.
9132         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9133         Likewise.
9134         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9135         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9136         (Target_x86_64::do_new_output_section): New function.
9137         * configure.ac: Define conditional MCMODEL_MEDIUM.
9138         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9139         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9140         (large_LDFLAGS): Define.
9141         * testsuite/large.c: New file.
9142         * testsuite/testfile.cc (Target_test::test_target_info):
9143         Initialize new fields.
9144         * configure, testsuite/Makefile.in: Rebuild.
9145
9146 2009-06-05  Doug Kwan  <dougkwan@google.com>
9147
9148         * Makefile.am (CCFILES): Add target.cc.
9149         * Makefile.in: Regenerate.
9150         * i386.cc (class Target_i386): Define new virtual method to
9151         override do_is_local_label_name in parent.
9152         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9153         local symbols if --discard-locals or -X is given.
9154         * options.h (class General_options): Declare new options
9155         '--discard-locals' and '-X' for discarding locals.
9156         * target.h (class Target): Define new methods is_local_label_name.
9157         Declare new virtual method do_is_local_label_name.
9158         * target.cc: New file.
9159         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9160         (check_SCRIPTS): Add discard_locals_test.sh.
9161         (check_DATA): Add discard_local_tests.syms.
9162         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9163         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9164         * testsuite/Makefile.in: Regenerate.
9165         * testsuite/discard_locals_test.c: New file.
9166         * testsuite/discard_locals_test.sh: Same.
9167
9168 2009-06-05  Doug Kwan  <dougkwan@google.com>
9169
9170         * object.cc (Sized_relobj::Sized_relobj): Initialize
9171         discarded_eh_frame_shndx_ to -1U.
9172         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9173         section.
9174         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9175         a discarded .eh_frame section.
9176         (Sized_relobj::do_finalize_local_symbols): Ditto.
9177         * object.h (class Sized_relobj): Declare new member
9178         discarded_eh_frame_shndx_.
9179         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9180         (local_labels_test.o, local_labels_test): New rules.
9181         * testsuite/Makefile.in: Regenerate.
9182
9183 2009-06-04  Doug Kwan  <dougkwan@google.com>
9184
9185         * layout.cc (Layout::section_name_mapping): Add mapping for
9186         special ARM sections.
9187
9188 2009-06-03  Doug Kwan  <dougkwan@google.com>
9189
9190         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9191         (utils::has_overflow): Same.
9192
9193 2009-06-03  Ian Lance Taylor  <iant@google.com>
9194
9195         * layout.cc (Layout::section_name_mapping): New array, replacing
9196         Layout::linkonce_mapping.
9197         (Layout::section_name_mapping_count): New variable, replacing
9198         Layout::linkonce_mapping_count.
9199         (Layout::linkonce_output_name): Remove.
9200         (Layout::output_section_name): Rewrite.
9201         * layout.h (class Layout): Rename Linkonce_mapping to
9202         Section_name_mapping, linkonce_mapping to section_name_mapping,
9203         linkonce_mapping_count to section_name_mapping_count.  Don't
9204         declare linkonce_output_name.
9205
9206 2009-06-03  Doug Kwan  <dougkwan@google.com>
9207
9208         * gold/arm.cc (namespace utils): New.
9209         (Target_arm::reloc_is_non_pic): Define new method.
9210         (class Arm_relocate_functions): New.
9211         (Target_arm::Relocate::relocate): Handle relocation types used by
9212         Android.
9213
9214 2009-06-03  Ian Lance Taylor  <iant@google.com>
9215
9216         * arm.cc (Target_arm::scan::global): Use || instead of |.
9217
9218 2009-06-02  Doug Kwan  <dougkwan@google.com>
9219
9220         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9221         issued_non_pic_error_.
9222         (class Target_arm::Scan): Declare new method check_non_pic.
9223         Define new method symbol_needs_plt_entry.
9224         Declare new data member issued_non_pic_error_.
9225         (class Target_arm::Relocate): Declare new method
9226         should_apply_static_reloc.
9227         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9228         (Target_arm::Scan::check_non_pic): Define new method.
9229         (Target_arm::Scan::local): Handle a small subset of reloc types used
9230         by Android.
9231         (Target_arm::Scan::local): Same.
9232         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9233
9234 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9235
9236         * incremental.cc (Incremental_inputs::report_command_line): Filter
9237         out --incremental-* options.
9238
9239 2009-05-29  Doug Kwan  <dougkwan@google.com>
9240
9241         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9242         template class.
9243         (class Target_arm): Update comment.
9244         (Target_arm::Target_arm): Initialize new data members GOT_,
9245         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9246         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9247         and Target_arm::rel_dyn_section.
9248         Declare new_enum Target_arm::Got_type.
9249         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9250         and DYNBSS_.
9251         Update commments for member do_dynsym_value.
9252         (Target_arm::got_size, Target_arm::plt_section,
9253         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9254         new methods inside class defintion.
9255         (Target_arm::got_section): Define new method.
9256         (Target_arm::rel_dyn_section): Same.
9257         (Output_data_plt_arm): New template class.
9258         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9259         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9260         (Output_data_plt_arm::add_entry): Same.
9261         (Output_data_plt_arm::first_plt_entry): Define new
9262         static data member for PLT instruction template.
9263         (Output_data_plt_arm::plt_entry): Same.
9264         (Output_data_plt_arm::do_write): Define new method.
9265         (Target_arm::make_plt_entry): Same.
9266         (Target_arm::do_finalize_sections): Same.
9267         (Target_arm::do_dynsym_value): Same.
9268
9269 2009-05-28  Doug Kwan  <dougkwan@google.com>
9270
9271         * Makefile.am (TARGETSOURCES): Add arm.cc.
9272         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9273         * Makefile.in: Regenerate.
9274         * arm.cc: New file.
9275         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9276
9277 2009-05-26  Doug Kwan  <dougkwan@google.com>
9278
9279         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9280         (General_options::check_excluded_libs): Strip off directories in
9281         archive name before matching like GNU ld does.
9282         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9283         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9284         (exclude_libs_test_LDFLAGS): Add linker option
9285         -Wl,--exclude-libs,libexclude_libs_test_3
9286         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9287         an explicit archive without using -l.
9288         (alt/libexclude_libs_test_3.a): New make rule.
9289         * testsuite/Makefile.in: Regenerate.
9290         * testsuite/exclude_libs_test.c : Declare lib3_default().
9291         (main): Call it.
9292         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9293         * exclude_libs_test_3.c: New file.
9294
9295 2009-05-26  Nick Clifton  <nickc@redhat.com>
9296
9297         * po/id.po: New Indonesian translation.
9298         * po/gold.pot: Updated template file.
9299
9300 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9301
9302         * testsuite/Makefile.am: Add -ffunction-sections to compile
9303         gc_comdat_test files.  Add -Wl,--gc-sections to build
9304         gc_comdat_test.
9305         * testsuite/Makefile.in: Regenerate.
9306         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9307
9308 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9309
9310         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9311         kept comdat section was garbage collected.
9312         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9313         * testsuite/Makefile.in: Regenerate.
9314         * testsuite/gc_comdat_test.sh: New file.
9315         * testsuite/gc_comdat_test_1.cc: New file.
9316         * testsuite/gc_comdat_test_2.cc: New file.
9317
9318 2009-05-19  Doug Kwan  <dougkwan@google.com>
9319
9320         * archive.cc (Archive::Archive): Move constructor from archive.h
9321         to here.  Initialize no_export_.
9322         (Archive::get_elf_object_for_member): Set no_export flag of object.
9323         * archive.h (Archive::Archive): Move constructor body to
9324         archive.cc.
9325         (Archive::no_export): New method.
9326         (Archive::no_export_): New field.
9327         * object.h (Object::Object): Initialize no_export_ to false.
9328         (Object::no_export, Object::set_no_export): New methods.
9329         (Object::no_export_): New field.
9330         * options.cc (General_options::parse_exclude_libs): New method.
9331         (General_options::check_excluded_libs) Same.
9332         * options.h (exclude_libs): New option.
9333         (General_options::check_excluded_libs): New method declaration.
9334         (General_options::excluded_libs_): New field.
9335         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9336         default or protected visibility if an object has no-export flag set.
9337         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9338         (check_SCRIPTS): Add exclude_libs_test.sh.
9339         (check_DATA): Add exclude_libs_test.syms.
9340         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9341         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9342         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9343         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9344         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9345         libexclude_libs_test_2.a): New rules.
9346         * testsuite/Makefile.in: Regenerate.
9347         * testsuite/exclude_libs_test.c: New file.
9348         * testsuite/exclude_libs_test.sh: Ditto.
9349         * testsuite/exclude_libs_test_1.c: Ditto.
9350         * testsuite/exclude_libs_test_2.c: Ditto.
9351
9352 2009-05-15  Ian Lance Taylor  <iant@google.com>
9353
9354         * configure.ac: Check for declarations for cases where libiberty.h
9355         checks HAVE_DECL_xxx.
9356         * configure, config.in: Rebuild.
9357
9358 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9359
9360         * gold.h (Incremental_argument_list): Remove (invalid) forward
9361         declaration.
9362         * incremental.cc (Incremental_inputs::report_achive): New method.
9363         (Incremental_inputs::report_object): New method.
9364         (Incremental_inputs::report_script): New method.
9365         (Incremental_inputs::finalize_inputs): New method.
9366         (Incremental_inputs::finalize): Call finalize_inputs().
9367         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9368         Create inputs entries.
9369         * incremental.h (Incremental_input_type): New enum.
9370         (Incremental_inputs::Incremental_input): Initialize new fields.
9371         (Incremental_inputs::report_inputs): New method.
9372         (Incremental_inputs::report_achive): New method.
9373         (Incremental_inputs::report_object): New method.
9374         (Incremental_inputs::report_script): New method.
9375         (Incremental_inputs::finalize_inputs): New method.
9376         (Incremental_inputs::Input_info): New struct.
9377         (Incremental_inputs::Input_info_map): New typedef.
9378         (Incremental_inputs::lock_): New field.
9379         (Incremental_inputs::Inputs_): New field.
9380         (Incremental_inputs::Inputs_map): New field.
9381         * main.cc (main): Call Incremental_input::report_inputs.
9382         * options.h (Input_argument_list): Typedef moved from
9383         Input_arguments.
9384         (Input_file_group::Files): Remove, use ::Input_argument_list.
9385         (Input_file_group::Input_argument_list): Remove, use
9386         ::Input_argument_list.
9387         * plugin.cc (Plugin_manager::add_input_file): Add error in
9388         incremental build.
9389         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9390         functions.
9391         * script.cc (read_input_script): Call
9392         Incremental_input::report_script.
9393         * script.h (Script_info): New class.
9394
9395 2009-04-27  Ian Lance Taylor  <iant@google.com>
9396
9397         * x86_64.cc (do_adjust_output_section): Set entsize to
9398         plt_entry_size.
9399
9400 2009-04-23  Elliott Hughes  <enh@google.com>
9401
9402         * output.cc (Output_file::close): After short writes, continue
9403         writing from the correct offset in the buffer being written.
9404
9405 2009-04-23  Chris Demetriou  <cgd@google.com>
9406
9407         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9408         * configure: Regenerate.
9409         * config.in: Regenerate.
9410         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9411         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9412
9413 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9414
9415         * incremental.cc (Incremental_inputs_header_data): Renamed from
9416         Incremental_input_header_data.
9417         (Incremental_inputs_header_data::data_size): New field.
9418         (Incremental_inputs_header_data::put_input_file_count): Renamed
9419         from input_file_count.
9420         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9421         from command_line_offset.
9422         (Incremental_inputs_header_data::put_reserved): Renamed from
9423         put_reserved.
9424         (Incremental_inputs_entry_data): Renamed from
9425         Incremental_input_entry_data.
9426         (Incremental_inputs_entry_data::data_size): New field.
9427         (Incremental_inputs::report_command_line): New method.
9428         (Incremental_inputs::finalize): New method.
9429         (Incremental_inputs::create_incremental_inputs_data): New method.
9430         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9431         * incremental.h: New file.
9432         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9433        (Layout::finalize): Create incremental inputs section in
9434         incremental builds.
9435        (Layout::create_incremental_info_sections): New method.
9436         * layout.h (Layout::incremental_inputs): New method.
9437        (Layout::create_incremental_info_sections): New method.
9438        (Layout::incremental_inputs_): New field.
9439         * main.cc (main): Notify Incremental_input of the command line.
9440
9441 2009-04-01  Ian Lance Taylor  <iant@google.com>
9442             Mikolaj Zalewski  <mikolajz@google.com>
9443
9444         * gold.h (reserve_unordered_map): Define, three versions, one for
9445         each version of Unordered_map.
9446         * layout.cc (Layout::Layout): Remove options parameter.  Add
9447         number_of_input_files parameter.  Don't initialize options_.
9448         Initialize number_of_input_files_ and resized_signatures_.  Move
9449         sections_are_attached_.
9450         (Layout::layout_group): Reserve space for group_signatures_.
9451         (Layout::find_or_add_kept_section): Change name parameter to be a
9452         reference.  Resize signatures_ map when it gets large enough.
9453         (Layout::layout_eh_frame): Use parameters->options() instead of
9454         this->options_.
9455         (Layout::make_output_section): Likewise.
9456         (Layout::attach_allocated_section_to_segment): Likewise.
9457         (Layout::finalize, Layout::create_executable_stack): Likewise.
9458         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9459         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9460         * layout.h (class Layout): Update declarations.  Remove options_
9461         field.  Add number_of_input_files_ and resized_signatures_
9462         fields.  Move sections_are_attached_ field.
9463         * main.cc (main): Pass number of input files to Layout
9464         constructor.  Don't pass options.
9465
9466 2009-03-30  Ian Lance Taylor  <iant@google.com>
9467
9468         * ffsll.c (ffsll): Correct implementation.
9469
9470 2009-03-27  Ian Lance Taylor  <iant@google.com>
9471
9472         * ffsll.c: New file.
9473         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9474         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9475         * ftruncate.c (ftruncate): Declare before definition.
9476         * mremap.c (mremap): Likewise.
9477         * pread.c (pread): Likewise.
9478         * configure, Makefile.in, config.in: Rebuild.
9479
9480         * mremap.c: New file.
9481         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9482         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9483         (mremap): Declare if HAVE_MREMAP is not defined.
9484         * configure, Makefile.in, config.in: Rebuild.
9485
9486 2009-03-27  Cary Coutant  <ccoutant@google.com>
9487
9488         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9489         position independent.
9490         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9491         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9492
9493 2009-03-24  Cary Coutant  <ccoutant@google.com>
9494
9495         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9496         an executable.
9497         (needs_dynamic_reloc): Likewise.
9498
9499 2009-03-24  Ian Lance Taylor  <iant@google.com>
9500
9501         * yyscript.y (file_cmd): Recognize EXTERN.
9502         (extern_name_list, extern_name_list_body): New nonterminals.
9503         * script.cc (script_add_extern): Define.
9504         * script-c.h (script_add_extern): Declare.
9505
9506 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9507
9508         * object.cc (is_elf_object): Define.
9509         * object.h (is_elf_object): Declare.
9510         * archive.cc (Archive::get_elf_object_for_member): Call
9511         is_elf_object.
9512         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9513
9514 2009-03-24  Elliott Hughes  <enh@google.com>
9515
9516         * output.cc (Output_file::map_anonymous): Define.
9517         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9518         try an anonymous one.  Report the size if the mmap fails.
9519         * output.h (class Output_file): Declare map_anonymous.
9520
9521 2009-03-24  Ian Lance Taylor  <iant@google.com>
9522
9523         * target-select.cc (instantiate_target): Don't acquire the lock if
9524         the instantiated_target_ field has already been set.
9525
9526 2009-03-23  Ian Lance Taylor  <iant@google.com>
9527
9528         * gold-threads.h (class Initialize_lock): Define.
9529         * gold-threads.cc (class Initialize_lock_once): Define.
9530         (initialize_lock_control): New static variable.
9531         (initialize_lock_pointer): New static variable.
9532         (initialize_lock_once): New static function.
9533         (Initialize_lock::Initialize_lock): Define.
9534         (Initialize_lock::initialize): Define.
9535         * target-select.h: Include "gold-threads.h".
9536         (class Target_selector): Add lock_ and initialize_lock_ fields.
9537         Don't define instantiate_target, just declare it.
9538         * target-select.cc (Target_selector::Target_selector): Initialize
9539         new fields.
9540         (Target_selector::instantiate_target): Define.
9541         * descriptors.h: Include "gold-threads.h".
9542         (class Descriptors): Add initialize_lock_ field.
9543         * descriptors.cc (Descriptors::Descriptors): Initialize new
9544         field.
9545         (Descriptors::open): Use initialize_lock_ field
9546         * errors.h (class Errors): Add initialize_lock_ field.
9547         * errors.cc (Errors::Errors): Initialize new field.
9548         (Errors::initialize_lock): Use initialize_lock_ field.
9549         * powerpc.cc (class Target_selector_powerpc): Remove
9550         instantiated_target_ field.  In do_recognize call
9551         instantiate_target rather than do_instantiate_target.  In
9552         do_instantiate_target just allocate a new target.
9553         * sparc.cc (class Target_selector_sparc): Likewise.
9554
9555         * freebsd.h: New file.
9556         * i386.cc: Include "freebsd.h".
9557         (Target_i386): Derive from Target_freebsd rather than
9558         Sized_target.
9559         (Target_selector_i386): Derive from Target_selector_freebsd rather
9560         than Target_selector.
9561         * x86_64.cc: Include "freebsd.h".
9562         (Target_x86_64): Derive from Target_freebsd rather than
9563         Sized_target.
9564         (Target_selector_x86_64): Derive from Target_selector_freebsd
9565         rather than Target_selector.
9566         * target.h (class Target): Add adjust_elf_header and
9567         do_adjust_elf_header.
9568         * output.cc (Output_file_header:: do_sized_write): Call target
9569         adjust_elf_header routine.
9570         * configure.tgt: Set targ_osabi.
9571         * configure.ac: Define GOLD_DEFAULT_OSABI.
9572         * parameters.cc (Parameters::default_target): Pass
9573         GOLD_DEFAULT_OSABI to select_target.
9574         * target-select.h (class Target_selector): Make instantiate_target
9575         protected rather than private.
9576         * Makefile.am (HFILES): Add freebsd.h.
9577         * configure, Makefile.in, config.in: Rebuild.
9578
9579         * merge.cc (do_add_input_section): Correct pend value.  Change
9580         message about last entry not being null terminated from error to
9581         warning.
9582
9583 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9584
9585         * incremental.cc: New file.
9586         * Makefile.am (CCFILES): Add incremental.cc.
9587         * Makefile.in: Rebuild.
9588
9589 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9590
9591         * layout.cc (Layout::output_section_name): Preserve names
9592         of '.note.' sections.
9593
9594 2009-03-19  Ian Lance Taylor  <iant@google.com>
9595
9596         * descriptors.cc (Descriptors::open): Check that the options are
9597         valid before using them.
9598
9599 2009-03-18  Ian Lance Taylor  <iant@google.com>
9600
9601         * script-sections.h: Include <list>.
9602         (class Script_sections): Change Sections_elements from std::vector
9603         to std::list.  Typedef public Elements_iterator.  Add
9604         orphan_section_placement_, data_segment_align_start_, and
9605         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9606         field.
9607         * script-sections.cc (class Orphan_section_placement): New class.
9608         (class Sections_element): Add virtual functions is_relro and
9609         orphan_section_init.  Remove virtual function place_orphan_here.
9610         (class Output_section_definition): Add is_relro and
9611         orphan_section_init.  Remove place_orphan_here.
9612         (class Orphan_output_section): Likewise.
9613         (Script_sections::Script_sections): Update for field changes.
9614         (Script_sections::data_segment_align): Set saw_data_segment_align_
9615         and data_segment_align_start_, not data_segment_align_index.
9616         (Script_sections::data_segment_relro_end): Check
9617         saw_data_segment_align_.  Use data_segment_align_start_ rather
9618         than data_segment_align_index_.
9619         (Script_sections::place_orphan): Rewrite to use
9620         Orphan_section_placement.
9621
9622 2009-03-17  Ian Lance Taylor  <iant@google.com>
9623
9624         * archive.cc (Archive::add_symbols): Check for a version attached
9625         to the symbol name in the archive map.
9626         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9627         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9628         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9629         (ver_test_11.a): New target.
9630         * testsuite/Makefile.in: Rebuild.
9631
9632         * configure.ac: Check for chsize and posix_fallocate.  Replace
9633         ftruncate.
9634         * ftruncate.c: New file, from gnulib.
9635         * output.cc (posix_fallocate): Define dummy version if not
9636         HAVE_POSIX_FALLOCATE.
9637         (Output_file::map): Call posix_fallocate rather than lseek and
9638         write.
9639         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9640         * configure, Makefile.in, config.in: Rebuild.
9641
9642 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9643
9644         * layout.h (Layout::create_note): Add section_name parameter.
9645         * layout.cc (Layout::create_note): Likewise.
9646         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9647
9648 2009-03-17  Ian Lance Taylor  <iant@google.com>
9649
9650         * descriptors.cc: Include "options.h".
9651         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9652         (Descriptors::open): Always use O_CLOEXEC when opening a new
9653         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9654         then set FD_CLOEXEC.
9655
9656         * sparc.cc (class Target_sparc): Add has_got_section.
9657         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9658         make sure we have a GOT section.
9659
9660         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9661         (Target_sparc::Scan::local): Likewise.
9662         (Target_sparc::Scan::global): Likewise.
9663         (Target_sparc::Relocate::relocate): Likewise.
9664         (Target_sparc::Relocate::relocate_tls): Likewise.
9665
9666         * symtab.cc (Symbol_table::define_default_version): New function,
9667         broken out of add_from_object.
9668         (Symbol_table::add_from_object): Call define_default_version.
9669         (Symbol_table::define_special_symbol): Add resolve_oldsym
9670         parameter.  Change all callers.  If the version for a symbol comes
9671         from a version script, resolve it with the symbol with the same
9672         name with no version.  Also add the symbol without a version if
9673         appropriate.
9674         (do_define_in_output_data): If resolving with oldsym, don't delete
9675         sym.
9676         (do_define_in_output_segment): Likewise.
9677         (do_define_as_constant): Likewise.
9678         * symtab.h (class Symbol_table): Update declarations.
9679
9680 2009-03-13  Ian Lance Taylor  <iant@google.com>
9681
9682         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9683         (Read_symbols::requeue): New function.
9684         (Read_symbols::do_read_symbols): If make_elf_object fails because
9685         the target type is not configured, and the file was searched for,
9686         issue a warning and retry with the next directory.
9687         (Add_symbols::run): If the file has an incompatible format, and
9688         it was searched for, requeue the Read_symbols task.  On error,
9689         release the object.
9690         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9691         dirindex parameter to constructor.  Change all callers.  Declare
9692         incompatible_warning and requeue.
9693         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9694         input_argument_ and input_group_ fields.  Add them to
9695         constructor.  Change all callers.
9696         (class Read_script): Add dirindex_ field.  Add it to constructor.
9697         Change all callers.
9698         * archive.cc (Archive::setup): Remove input_objects parameter.
9699         Change all callers.
9700         (Archive::get_file_and_offset): Likewise.
9701         (Archive::read_all_symbols): Likewise.
9702         (Archive::read_symbols): Likewise.
9703         (Archive::get_elf_object_for_member): Remove input_objects
9704         parameter.  Add punconfigured parameter.  Change all callers.
9705         (Archive::add_symbols): Change return type to bool.  Check return
9706         value of include_member.
9707         (Archive::include_all_members): Likewise.
9708         (Archive::include_member): Change return type to bool.  Return
9709         false if first included object has incompatible target.  Set
9710         included_member_ field.
9711         (Add_archive_symbols::run): If add_symbols returns false, requeue
9712         Read_symbols task.
9713         * archive.h (class Archive): Add included_member_ field.
9714         Initialize it in constructor.  Add input_file and searched_for
9715         methods.  Update declarations.
9716         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9717         input_argument_ fields.  Add them to constructor.  Change all
9718         callers.
9719         * script.cc: Include "target-select.h".
9720         (class Parser_closure): Add skip_on_incompatible_target_ and
9721         found_incompatible_target_ fields.  Add
9722         skip_on_incompatible_target parameter to constructor.  Change all
9723         callers.  Add methods skip_on_incompatible_target,
9724         clear_skip_on_incompatible_target, found_incompatible_target, and
9725         set_found_incompatible_target.
9726         (read_input_script): Add dirindex parameter.  Change all callers.
9727         If parser finds an incompatible target, requeue Read_symbols
9728         task.
9729         (script_set_symbol): Clear skip_on_incompatible_target in
9730         closure.
9731         (script_add_assertion, script_parse_option): Likewise.
9732         (script_start_sections, script_add_phdr): Likewise.
9733         (script_check_output_format): New function.
9734         * script.h (read_input_script): Update declaration.
9735         * script-c.h (script_check_output_format): Declare.
9736         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9737         (ignore_cmd): Remove OUTPUT_FORMAT.
9738         * fileread.cc (Input_file::Input_file): Add explicit this.
9739         (Input_file::will_search_for): New function.
9740         (Input_file::open): Add pindex parameter.  Change all callers.
9741         * fileread.h (class Input_file): Add input_file_argument method.
9742         Declare will_search_for.  Update declarations.
9743         * object.cc (make_elf_object): Add punconfigured parameter.
9744         Change all callers.
9745         * object.h (class Object): Make input_file public.  Add
9746         searched_for method.
9747         (make_elf_object): Update declaration.
9748         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9749         restart search.
9750         * dirsearch.h (class Dirsearch): Update declaration.
9751         * options.h (class General_options): Add --warn-search-mismatch.
9752         * parameters.cc (Parameters::is_compatible_target): New function.
9753         * parameters.h (class Parameters): Declare is_compatible_target.
9754         * workqueue.cc (Workqueue::add_blocker): New function.
9755         * workqueue.h (class Workqueue): Declare add_blocker.
9756
9757         * fileread.cc (Input_file::open): Remove options parameter.
9758         Change all callers.
9759         (Input_file::open_binary): Likewise.
9760         * script.cc (read_input_script): Likewise.
9761         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9762         options parameter from constructor.  Change all callers.
9763         (class Read_script): Likewise.
9764         * fileread.h (class Input_file): Update declarations.
9765         * script.h (read_input_script): Update declaration.
9766
9767 2009-03-10  Nick Clifton  <nickc@redhat.com>
9768
9769         * po/es.po: New Spanish translation.
9770
9771 2009-03-06  Cary Coutant  <ccoutant@google.com>
9772
9773         * options.cc (parse_short_option): Keep dash_z from registering itself.
9774
9775 2009-03-03  Ian Lance Taylor  <iant@google.com>
9776
9777         PR 9918
9778         * target-reloc.h (relocate_section): Pass output_section to
9779         relocate.
9780         * i386.cc (Target_i386::should_apply_static_reloc): Add
9781         output_section parameter.  Change all callers.
9782         (Target_i386::Relocate::relocate): Add output_section parameter.
9783         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9784         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9785         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9786         * testsuite/two_file_shared.sh: New script.
9787         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9788         (check_DATA): Add two_file_shared.dbg.
9789         (two_file_shared.dbg): New target.
9790         * testsuite/Makefile.in: Rebuild.
9791
9792 2009-03-01  Ian Lance Taylor  <iant@google.com>
9793
9794         * configure.ac: Check for byteswap.h.
9795         * configure: Rebuild.
9796         * config.in: Rebuild.
9797
9798 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9799
9800         * layout.cc (Layout::find_or_add_kept_section): New function.
9801         (Layout::add_comdat): Removed.
9802         * layout.h (struct Kept_section): Move out of class Layout.
9803         Remove trailing underscores from field names.  Add group_sections
9804         field.  Rename group_ field to is_group.  Change all uses.
9805         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9806         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9807         comdat_groups_ field.
9808         (Sized_relobj::include_section_group): Use
9809         find_or_add_kept_section and Kept_section::group_sections.
9810         (Sized_relobj::include_linkonce_section): Likewise.
9811         * object.cc (class Sized_relobj): Don't define Comdat_group or
9812         Comdat_group_table.  Remove find_comdat_group and
9813         add_comdat_group.  Remove comdat_groups_ field.
9814         * plugin.cc (include_comdat_group): Use
9815         Layout::find_or_add_kept_section.
9816
9817 2009-02-28  Ian Lance Taylor  <iant@google.com>
9818
9819         * README: --gc-sections and map files are now supported.  Document
9820         some build requirements.
9821
9822         PR 6992
9823         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9824         relocatable link set the value of the section symbol to zero.
9825         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9826         relocatable link don't include the section address in the local
9827         symbol value.
9828
9829 2009-02-27  Ian Lance Taylor  <iant@google.com>
9830
9831         PR 6811
9832         * options.h (class Search_directory): Add is_system_directory.
9833         (class General_options): Declare is_in_system_directory.
9834         * options.cc (get_relative_sysroot): Make static.
9835         (get_default_sysroot): Make static.
9836         (General_optoins::is_in_system_directory): New function.
9837         * fileread.cc (Input_file::is_in_system_directory): New function.
9838         * fileread.h (class Input_file): Declare is_in_system_directory.
9839         * object.h (class Object): Add is_in_system_directory.
9840         (class Input_objects): Remove system_library_directory_ field.
9841         * object.cc (Input_objects::add_object): Don't set
9842         system_library_directory_.
9843         (input_objects::found_in_system_library_directory): Remove.
9844         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9845         parameter.  Change all callers.
9846         (Symbol_table::sized_write_globals): Likewise.
9847         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9848         Call Object::is_in_system_directory.
9849         * symtab.h (class Symbol_table): Update declarations.
9850
9851         PR 5990
9852         * descriptors.h (Open_descriptor): Add is_on_stack field.
9853         * descriptors.cc (Descriptors::open): If the descriptor is on the
9854         top of the stack, remove it.  Initialize is_on_stack field.
9855         (Descriptors::release): Only add pod to stack if it is not on the
9856         stack already.
9857         (Descriptors::close_some_descriptor): Clear stack_next and
9858         is_on_stack fields.
9859
9860         PR 7091
9861         * output.cc (Output_section::find_starting_output_address): Rename
9862         from starting_output_address; add PADDR parameter; change return
9863         type.
9864         * output.h (class Output_section): Declare
9865         find_starting_output_address instead of starting_output_address.
9866         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9867         section symbol for which we can't find a merge section.
9868
9869         PR 9836
9870         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9871         hidden or internal, force the symbol to be local.
9872         * resolve.cc (Symbol::override_visibility): Define.
9873         (Symbol::override_base): Use override_visibility.
9874         (Symbol_table::resolve): Likewise.
9875         (Symbol::override_base_with_special): Likewise.
9876         (Symbol_table::override_with_special): If the visibility is hidden
9877         or internal, force the symbol to be local.
9878         * symtab.h (class Symbol): Add set_visibility and
9879         override_visibility.
9880         * testsuite/ver_test_1.sh: New file.
9881         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9882         (check_DATA): Add ver_test_1.syms.
9883         (ver_test_1.syms): New target.
9884         * testsuite/Makefile.in: Rebuild.
9885
9886 2009-02-25  Cary Coutant  <ccoutant@google.com>
9887
9888         * layout.cc (Layout::choose_output_section): Don't rename sections
9889         when using a linker script that has a SECTIONS clause.
9890         * Makefile.in: Regenerate.
9891
9892         * testsuite/Makefile.am (script_test_5.sh): New test case.
9893         * testsuite/Makefile.in: Regenerate.
9894         * testsuite/script_test_5.cc: New file.
9895         * testsuite/script_test_5.sh: New file.
9896         * testsuite/script_test_5.t: New file.
9897
9898 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9899
9900         * archive.cc (Archive::include_member): Update calls to add_symbols.
9901         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9902         the Layout argument.
9903         * dynobj.h (do_add_symbols): Add the Layout argument.
9904         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9905         Layout argument.
9906         * object.h (Object::add_symbols): Add the Layout argument.
9907         (Object::do_add_symbols): Add the Layout argument.
9908         (Sized_relobj::do_add_symbols): Add the Layout argument.
9909         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9910         Unify the two versions.
9911         (Add_plugin_symbols): Remove.
9912         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9913         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9914         (Add_plugin_symbols): Remove.
9915         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9916         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9917         (Add_symbols::run): Make it work with Pulginobj.
9918
9919 2009-02-06  Ian Lance Taylor  <iant@google.com>
9920
9921         * object.cc (Sized_relobj::do_layout): Make info message start
9922         with lower case letter.
9923
9924 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9925
9926         * binary.cc: Fix file comment.
9927
9928         * options.h (enum Incremental_disposition): Define.
9929         (class General_options): Add new options: --incremental,
9930         --incremental_changed, --incremental_unchanged,
9931         --incremental_unknown.  Add incremental_disposition_ and
9932         implicit_incremental_ fields.
9933         (General_options::incremental_disposition): New function.
9934         (class Position_dependent_options): Add incremental_disposition
9935         option.
9936         (Position_dependent_options::copy_from_options): Set incremental
9937         dispositions.
9938         * options.cc (General_options::parse_incremental_changed): New
9939         function.
9940         (General_options::parse_incremental_unchanged): New function.
9941         (General_options::parse_incremental_unknown): New function.
9942         (General_options::General_options): Initialize new fields
9943         incremental_disposition_ and implicit_incremental_.
9944         (General_options::finalize): Check for uasge of --incremental-*
9945         without --incremental.
9946
9947 2009-02-06  Chris Demetriou  <cgd@google.com>
9948
9949         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9950         pointer and to report location as the file name associated with
9951         the symbol.
9952         (gold_undefined_symbol_at_location): New function to replace the
9953         old gold_undefined_symbol functionality.
9954         * target-reloc.h (relocate_section): Update to use
9955         gold_undefined_symbol_at_location.
9956         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9957         Call gold_undefined_symbol function rather than gold_error.
9958         * errors.h (Errors::undefined_symbol): Take location as a
9959         string, rather than calculating it from a relocation.
9960         * errors.cc (Errors::fatal): Print "fatal error:" before the
9961         formatted message.
9962         (Errors::error, Errors::error_at_location): Print "error: "
9963         before the formatted message.
9964         (Errors::undefined_symbol): Take location as a string, rather
9965         than calculating it from a relocation.
9966         (gold_undefined_symbol_at_location): New function akin to
9967         old gold_undefined_symbol, calculates location from relocation.
9968         (gold_undefined_symbol): Change to take only a Symbol pointer
9969         and to report location as the file name associated with the symbol.
9970         * testsuite/debug_msg.sh: Update for changed error messages.
9971         * testsuite/undef_symbol.sh: Likewise.
9972
9973 2009-02-04  Duncan Sands  <baldrick@free.fr>
9974
9975         PR 9812
9976         * reduced_debug_output.h
9977         (Output_reduced_debug_abbrev_section::failed): Use format for
9978         gold_warning.
9979         (Output_reduced_debug_info_section::faild): Likewise.
9980
9981 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9982
9983         * script.cc (Lazy_demangler): New class.
9984         (Version_script_info::get_symbol_version_helper): Demangle a
9985         symbol only once.
9986
9987 2009-01-29  Cary Coutant  <ccoutant@google.com>
9988
9989         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9990         to __tls_get_addr.
9991         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9992
9993 2009-01-28  Ian Lance Taylor  <iant@google.com>
9994
9995         * version.cc (version_string): Bump to 1.9.
9996
9997         * gold.h: Include <cstring> and <stdint.h>.
9998         * version.cc: Include <cstdio>.
9999         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10000         warning.
10001         * reduced_debug_output.cc (insert_into_vector): Rename from
10002         Insert_into_vector; change all callers.  Use Swap_unaligned to
10003         avoid aliasing issue; remove union since it is unnecessary.
10004
10005 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10006
10007         * Makefile.am (CCFILES): Add gc.cc.
10008         (HFILES): Add gc.h.
10009         * Makefile.in: Regenerate.
10010         * gold.cc (Gc_runner): New class.
10011         (queue_initial_tasks): Call garbage collection related tasks
10012         when corresponding options are invoked.
10013         (queue_middle_gc_tasks): New function.
10014         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10015         processed early before laying out sections during garbage collection.
10016         * gold.h (queue_middle_gc_tasks): New function.
10017         (is_prefix_of): Move from "layout.cc".
10018         * i386.cc (Target_i386::gc_process_relocs): New function.
10019         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10020         * main.cc (main): Create object of class "Garbage_collection".
10021         * object.cc (Relobj::copy_symbols_data): New function.
10022         (Relobj::is_section_name_included): New function.
10023         (Sized_relobj::do_layout): Allow this function to be called twice
10024         during garbage collection and defer layout of section during the
10025         first call.
10026         * object.h (Relobj::get_symbols_data): New function.
10027         (Relobj::is_section_name_included): New function.
10028         (Relobj::copy_symbols_data): New function.
10029         (Relobj::set_symbols_data): New function.
10030         (Relobj::get_relocs_data): New function.
10031         (Relobj::set_relocs_data): New function.
10032         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10033         (Relobj::gc_process_relocs): New function.
10034         (Relobj::do_gc_process_relocs): New pure virtual function.
10035         (Relobj::sd_): New data member.
10036         (Sized_relobj::is_output_section_offset_invalid): New function.
10037         (Sized_relobj::do_gc_process_relocs): New function.
10038         * options.h (General_options::gc_sections): Modify to not be a no-op.
10039         (General_options::print_gc_sections): New option.
10040         * plugin.cc (Plugin_finish::run): Remove function call to
10041         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10042         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10043         * reloc.cc (Read_relocs::run): Add task to process relocs and
10044         determine unreferenced sections when doing garbage collection.
10045         (Gc_process_relocs): New class.
10046         (Sized_relobj::do_gc_process_relocs): New function.
10047         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10048         sections that are garbage collected.
10049         * reloc.h (Gc_process_relocs): New class.
10050         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10051         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10052         symbols whose corresponding sections are garbage collected.
10053         (Symbol_table::Symbol_table): Add new parameter for the garbage
10054         collection object.
10055         (Symbol_table::gc_mark_undef_symbols): New function.
10056         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10057         (Symbol_table::gc_mark_dyn_syms): New function.
10058         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10059         as garbage.
10060         (Symbol_table::add_from_object): Likewise.
10061         (Symbol_table::add_from_relobj): When building shared objects, do not
10062         treat externally visible symbols as garbage.
10063         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10064         table information for static and relocatable links.
10065         * symtab.h (Symbol_table::set_gc): New function.
10066         (Symbol_table::gc): New function.
10067         (Symbol_table::gc_mark_undef_symbols): New function.
10068         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10069         (Symbol_table::gc_mark_dyn_syms): New function.
10070         (Symbol_table::gc_): New data member.
10071         * target.h (Sized_target::gc_process_relocs): New pure virtual
10072         function.
10073         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10074         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10075
10076 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10077
10078         * options.h (General_options::gc_sections): Define as a no-op for now.
10079         (General_options::no_keep_memory): Ditto.
10080         (General_options::Bshareable): Define.
10081         * options.cc (General_options::finalize): Honor -Bshareable.
10082
10083 2009-01-20  Andreas Schwab  <schwab@suse.de>
10084
10085         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10086         read the value in the contents, since we don't use it.  Use the
10087         template endianness when writing.
10088         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10089
10090 2009-01-19  Andreas Schwab  <schwab@suse.de>
10091
10092         * configure.tgt (powerpc64-*): Fix targ_obj.
10093
10094 2009-01-15  Ian Lance Taylor  <iant@google.com>
10095
10096         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10097         local symbols when stripping all symbols.
10098
10099 2009-01-14  Cary Coutant  <ccoutant@google.com>
10100
10101         * output.cc (Output_reloc): Add explicit instantiations.
10102
10103 2009-01-14  Cary Coutant  <ccoutant@google.com>
10104
10105         * archive.cc (Archive::get_elf_object_for_member): Remove call
10106         to File_read::claim_for_plugin.
10107         * descriptors.cc (Descriptors::open): Remove reference to
10108         is_claimed.
10109         (Descriptors::claim_for_plugin): Remove.
10110         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10111         (Descriptors::is_claimed): Remove.
10112         (claim_descriptor_for_plugin): Remove.
10113         * fileread.cc (File_read::claim_for_plugin): Remove.
10114         * fileread.h (File_read::claim_for_plugin): Remove.
10115         (File_read::descriptor): Reopen descriptor if necessary.
10116         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10117         (Plugin_manager::all_symbols_read): Add task parameter. Change
10118         all callers.
10119         (Plugin_manager::get_input_file): New function.
10120         (Plugin_manager::release_input_file): New function.
10121         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10122         corresponding data member.
10123         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10124         and pass to base constructor. Change all callers.
10125         (get_input_file, release_input_file): New functions.
10126         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10127         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10128         (Plugin_manager::all_symbols_read): Add task parameter.
10129         (Plugin_manager::get_input_file): New function.
10130         (Plugin_manager::release_input_file): New function.
10131         (Plugin_manager::task_): New data member.
10132         (Pluginobj::Pluginobj): Add filesize parameter.
10133         (Pluginobj::filename): New function.
10134         (Pluginobj::descriptor): New function.
10135         (Pluginobj::filesize): New function.
10136         (Pluginobj::filesize_): New data member.
10137         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10138         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10139         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10140
10141         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10142         with archive libraries.
10143         * testsuite/Makefile.in: Regenerate.
10144         * testsuite/plugin_test.c (struct sym_info): New type.
10145         (get_input_file, release_input_file): New static variables.
10146         (onload): Capture new transfer vector entries.
10147         (claim_file_hook): Stop reading at end of file according to filesize.
10148         Factor out parsing of readelf output into separate function.
10149         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10150         APIs and get the source file name from the symbol table.  Convert
10151         source file name to corresponding object file name.  Print info
10152         message when adding new input files.
10153         (parse_readelf_line): New function.
10154         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10155         * testsuite/plugin_test_2.sh: Likewise.
10156         * testsuite/plugin_test_3.sh: Likewise.
10157         * testsuite/plugin_test_4.sh: New test case.
10158
10159 2009-01-07  Ian Lance Taylor  <iant@google.com>
10160
10161         * version.cc (version_string): Bump to 1.8.
10162
10163 2008-12-23  Cary Coutant  <ccoutant@google.com>
10164
10165         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10166         * plugin.cc (Plugin_manager::finish): Rename as
10167         layout_deferred_objects.  Move cleanup to separate function.
10168         (Plugin_manager::cleanup): New function.
10169         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10170         separately.
10171         * plugin.h (Plugin_manager::finish): Rename as
10172         layout_deferred_objects.
10173         (Plugin_manager::cleanup): New function.
10174         (Plugin_manager::cleanup_done): New field.
10175
10176 2008-12-23  Cary Coutant  <ccoutant@google.com>
10177
10178         * plugin.cc (is_visible_from_outside): New function.
10179         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10180         so we don't return "IR only" status for exported symbols or -r links.
10181
10182         * testsuite/Makefile.am (plugin_test_3): New test case.
10183         * testsuite/Makefile.in: Regenerate.
10184         * testsuite/plugin_test_3.sh: New file.
10185
10186 2008-12-22  Cary Coutant  <ccoutant@google.com>
10187
10188         * object.cc (Sized_relobj::layout_section): New function.
10189         (Sized_relobj::do_layout): Defer layout of input sections until after
10190         plugin has provided replacement files.
10191         (Sized_relobj::do_layout_deferred_sections): New function.
10192         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10193         (Relobj::layout_deferred_sections): New function.
10194         (Relobj::do_layout_deferred_sections): New function.
10195         (Sized_relobj::do_layout_deferred_sections): New function.
10196         (Sized_relobj::layout_section): New function.
10197         (Sized_relobj::Deferred_layout): New structure.
10198         (Sized_relobj::deferred_layout_): New field.
10199         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10200         Change all callers.  Layout deferred sections.
10201         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10202         references.
10203         (Plugin_hook::run): Move code from do_plugin_hook inline.
10204         (Plugin_hook::do_plugin_hook): Remove.
10205         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10206         (Plugin_manager::finish): Renamed, was cleanup.
10207         (Plugin_manager::should_defer_layout): New function.
10208         (Plugin_manager::add_deferred_layout_object): New function.
10209         (Plugin_manager::Deferred_layout_list): New type.
10210         (Plugin_manager::deferred_layout_objects_): New field.
10211         (Plugin_hook::do_plugin_hook): Remove.
10212
10213 2008-12-17  Ian Lance Taylor  <iant@google.com>
10214
10215         * options.h (class General_options): Add --no case for
10216         --export-dynamic.
10217
10218 2008-12-16  Cary Coutant  <ccoutant@google.com>
10219
10220         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10221         vector.
10222         (Plugin_manager::claim_file): Create plugin object even if
10223         plugin did not call the add_symbols callback.
10224         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10225         asking for more symbols than were added.
10226         * testsuite/Makefile.am (plugin_test_1): Add test case with
10227         no global symbols.
10228         (empty.syms): New target.
10229         * testsuite/Makefile.in: Regenerate.
10230         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10231         message. Don't call add_symbols if no globals.
10232         (all_symbols_read_hook): Don't provide replacement for empty
10233         claimed file.
10234
10235 2008-12-12  Ian Lance Taylor  <iant@google.com>
10236
10237         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10238         r_type == 0 for a local symbol with r_sym == 0.
10239         (scan_relocatable_relocs): Pass r_sym to
10240         local_non_section_strategy.
10241         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10242         r_sym parameter.
10243
10244         * configure.ac: Update test for TLS descriptors: they are
10245         supported as of glibc 2.9.
10246         * configure: Rebuild.
10247
10248 2008-12-11  Ian Lance Taylor  <iant@google.com>
10249
10250         PR 7091
10251         * target-reloc.h (Default_scan_relocatable_relocs): For each
10252         function, map r_type == 0 to RELOC_DISCARD.
10253
10254 2008-12-10  Cary Coutant  <ccoutant@google.com>
10255
10256         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10257         object to override a kept COMDAT group from a plugin object.
10258
10259 2008-12-09  Ian Lance Taylor  <iant@google.com>
10260
10261         PR 7088
10262         * yyscript.y (file_cmd): Handle INPUT.
10263
10264         * testsuite/initpri1.c: Change all declarations to be full
10265         prototypes by adding void, to avoid compiler warnings.
10266
10267 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10268
10269         * options.cc (General_options::parse_plugin_opt): New.
10270         (General_options::add_plugin): The argument now is just the filename.
10271         (General_options::add_plugin_option): New.
10272         * options.h (plugin_opt): New.
10273         (add_plugin): Change argument name.
10274         (add_plugin_option): New.
10275         * plugin.cc (Plugin::load): Don't parse the plugin option.
10276         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10277         (Plugin::add_option): New.
10278         (Plugin::args_): Change type.
10279         (Plugin::filename_): New.
10280         (Plugin_manager::add_plugin_option): New.
10281         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10282         * testsuite/Makefile.in: Regenerate.
10283
10284 2008-12-05  Cary Coutant  <ccoutant@google.com>
10285
10286         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10287         Handle --strip-lto-sections option.
10288         * options.h (strip_lto_sections): New option.
10289
10290 2008-12-01  Cary Coutant  <ccoutant@google.com>
10291
10292         * plugin.cc (ld_plugin_message): Change format parameter to const.
10293         Fix mismatch between new[] and delete.
10294
10295 2008-11-14  Cary Coutant  <ccoutant@google.com>
10296
10297         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10298         instead of -1U.
10299
10300 2008-11-05  Craig Silverstein  <csilvers@google.com>
10301
10302         * options.cc (General_options::parse_dynamic_list): New function.
10303         * options.h (General_options): New flags dynamic_list,
10304         dynamic_list_data, dynamic_list_cpp_new, and
10305         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10306         (General_options::in_dynamic_list): New function.
10307         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10308         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10309         (Lex::can_continue_name): Likewise.
10310         (yylex): Likewise.
10311         (read_script_file): New parameter script_options.
10312         (read_dynamic_list): New function.
10313         (Script_options::define_dynamic_list): New function.
10314         (dynamic_list_keyword_parsecodes): New variable.
10315         (dynamic_list_keywords): New variable.
10316         * script.h (Script_options::define_dynamic_list): New function
10317         prototype.
10318         (read_dynamic_list): New function prototype.
10319         * symtab.cc (strprefix): New macro.
10320         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10321         dynamic_list_data, dynamic_list_cpp_new, and
10322         dynamic_list_cpp_typeinfo.
10323         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10324         (dynamic_list_expr): New rule.
10325         (dynamic_list_nodes): Likewise.
10326         (dynamic_list_node): Likewise.
10327         * testsuite/Makefile.am (dynamic_list): New test.
10328         * testsuite/Makefile.in: Regenerated.
10329         * testsuite/dynamic_list.t: New file.
10330         * testsuite/dynamic_list.sh: New file.
10331
10332 2008-11-05  Craig Silverstein  <csilvers@google.com>
10333
10334         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10335         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10336         (t11_last): Likewise.
10337         * testsuite/ver_test_6.c (main): Likewise.
10338
10339 2008-10-07  Cary Coutant  <ccoutant@google.com>
10340
10341         * options.c (General_options::finalize): Add check for -static and
10342         -shared.
10343         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10344         is not empty.
10345
10346 2008-10-02  Cary Coutant  <ccoutant@google.com>
10347
10348         * plugin.cc (make_sized_plugin_object): Fix conditional
10349         compilation to work when not all targets are enabled.
10350
10351 2008-09-29  Cary Coutant  <ccoutant@google.com>
10352
10353         * archive.cc (Archive::get_file_and_offset): Use filename instead
10354         of name to get library path.
10355         (Archive::include_member): Unlock external member of a thin archive.
10356
10357         * testsuite/Makefile.am (TEST_AR): New variable.
10358         (thin_archive_test_1): New test.
10359         (thin_archive_test_2): New test.
10360         * testsuite/Makefile.in: Regenerate.
10361         * testsuite/thin_archive_main.cc: New file.
10362         * testsuite/thin_archive_test_1.cc: New file.
10363         * testsuite/thin_archive_test_2.cc: New file.
10364         * testsuite/thin_archive_test_3.cc: New file.
10365         * testsuite/thin_archive_test_4.cc: New file.
10366
10367 2008-09-29  Cary Coutant  <ccoutant@google.com>
10368
10369         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10370         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10371         instead of -1U.
10372         (Sized_relobj::do_finalize_local_symbols): Likewise.
10373         (Sized_relobj::map_to_kept_section): Likewise.
10374         * object.h (Sized_relobj::invalid_address): New constant.
10375         (Sized_relobj::do_output_section_offset): Check for invalid_address
10376         and return -1ULL.
10377         * output.cc (Output_reloc::local_section_offset): Use constant
10378         invalid_address instead of -1U.
10379         (Output_reloc::get_address): Likewise.
10380         (Output_section::output_address): Change -1U to -1ULL.
10381         * output.h (Output_reloc::invalid_address): New constant.
10382         * reloc.cc (Sized_relobj::write_sections): Use constant
10383         invalid_address instead of -1U.
10384         (Sized_relobj::relocate_sections): Likewise.
10385         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10386         values for merge sections.
10387         * target-reloc.h (relocate_for_relocatable): Use constant
10388         invalid_address instead of -1U.
10389
10390 2008-09-19  Cary Coutant  <ccoutant@google.com>
10391
10392         Add plugin functionality for link-time optimization (LTO).
10393         * configure.ac (plugins): Add --enable-plugins option.
10394         * configure: Regenerate.
10395         * config.in: Regenerate.
10396         * Makefile.am (LIBDL): New variable.
10397         (CCFILES): Add plugin.cc.
10398         (HFILES): Add plugin.h.
10399         (ldadd_var): Add LIBDL.
10400         * Makefile.in: Regenerate.
10401
10402         * archive.cc: Include "plugin.h".
10403         (Archive::setup): Don't preread archive symbols when using a plugin.
10404         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10405         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10406         files.
10407         (Archive::include_member): Add symbols from plugin objects.
10408         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10409         * descriptors.cc (Descriptors::open): Check for file descriptors
10410         abandoned by plugins.
10411         (Descriptors::claim_for_plugin): New function.
10412         * descriptors.h (Descriptors::claim_for_plugin): New function.
10413         (Open_descriptor::is_claimed): New field.
10414         (claim_descriptor_for_plugin): New function.
10415         * fileread.cc (File_read::claim_for_plugin): New function.
10416         * fileread.h (File_read::claim_for_plugin): New function.
10417         (File_read::descriptor): New function.
10418         * gold.cc: Include "plugin.h".
10419         (queue_initial_tasks): Add task to call plugin hooks for generating
10420         new object files.
10421         * main.cc: Include "plugin.h".
10422         (main): Load plugin libraries.
10423         * object.h (Pluginobj): Declare.
10424         (Object::pluginobj): New function.
10425         (Object::do_pluginobj): New function.
10426         (Object::set_target): New function.
10427         * options.cc: Include "plugin.h".
10428         (General_options::parse_plugin): New function.
10429         (General_options::General_options): Initialize plugins_ field.
10430         (General_options::add_plugin): New function.
10431         * options.h (Plugin_manager): Declare.
10432         (General_options): Add --plugin option.
10433         (General_options::has_plugins): New function.
10434         (General_options::plugins): New function.
10435         (General_options::add_plugin): New function.
10436         (General_options::plugins_): New field.
10437         * plugin.cc: New file.
10438         * plugin.h: New file.
10439         * readsyms.cc: Include "plugin.h".
10440         (Read_symbols::do_read_symbols): Check for archive before checking
10441         for ELF file.  Call plugin hooks to claim files.
10442         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10443         from a real object file; force override when processing replacement
10444         files.
10445         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10446         (Symbol::init_base_object): Likewise.
10447         (Symbol::init_base_output_data): Likewise.
10448         (Symbol::init_base_output_segment): Likewise.
10449         (Symbol::init_base_constant): Likewise.
10450         (Symbol::init_base_undefined): Likewise.
10451         (Symbol::output_section): Assert that object is not a plugin.
10452         (Symbol_table::add_from_pluginobj): New function.
10453         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10454         undefined.
10455         (Symbol_table::sized_write_globals): Likewise.
10456         (Symbol_table::add_from_pluginobj): Instantiate template.
10457         * symtab.h (Sized_pluginobj): Declare.
10458         (Symbol::in_real_elf): New function.
10459         (Symbol::set_in_real_elf): New function.
10460         (Symbol::in_real_elf_): New field.
10461         (Symbol_table::add_from_pluginobj): New function.
10462
10463         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10464         (LIBDL): New variable.
10465         (LDADD): Add LIBDL.
10466         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10467         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10468         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10469         (MOSTLYCLEANFILES): Likewise.
10470         * testsuite/Makefile.in: Regenerate.
10471         * testsuite/plugin_test.c: New file.
10472         * testsuite/plugin_test_1.sh: New file.
10473         * testsuite/plugin_test_2.sh: New file.
10474
10475 2008-09-16  Ian Lance Taylor  <iant@google.com>
10476
10477         * target-reloc.h (relocate_section): Check whether a symbol is
10478         defined by the ABI before reporting an undefined symbol error.
10479         * target.h (Target::is_defined_by_abi): Make parameter const.
10480         (Target::do_is_defined_by_abi): Likewise.
10481         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10482         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10483         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10484         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10485         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10486         * testsuite/Makefile.in: Rebuild.
10487
10488         * fileread.cc (make_view): Add casts to avoid warning.
10489
10490 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10491
10492         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10493         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10494
10495 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10496
10497         * options.h (General_options::output_is_executable): New.
10498         (General_options::output_is_pie): New.
10499         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10500         for shared libraries.
10501         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10502
10503 2008-09-11  Chris Demetriou  <cgd@google.com>
10504
10505         * options.h (origin): New -z option.
10506         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10507         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10508         in DT_FLAGS_1.
10509
10510 2008-09-05  Cary Coutant  <ccoutant@google.com>
10511
10512         * fileread.cc (File_read::make_view): Add check for attempt to map
10513         beyond end of file.
10514
10515 2008-09-05  Cary Coutant  <ccoutant@google.com>
10516
10517         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10518         explicit instantiations.
10519
10520 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10521
10522         PR gold/6858
10523         * options.cc (General_options::finalize): Allow undefined symbols
10524         in shlibs if linking -shared.
10525
10526         PR gold/6859
10527         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10528         symbols as not needing a dynsym entry.
10529
10530 2008-08-20  Craig Silverstein  <csilvers@google.com>
10531
10532         * fileread.cc (File_read::open): Do not lock the file unless it
10533         was successfully opened.
10534
10535 2008-08-14  Cary Coutant  <ccoutant@google.com>
10536
10537         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10538         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10539         * testsuite/tls_test.cc (struct int128): 128-bit struct
10540         for testing TLS relocs with non-zero addend.
10541         (v12): New TLS variable.
10542         (t12): New test.
10543         (t_last): Add check for v12.
10544         * testsuite/tls_test.h (t12): New function.
10545         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10546
10547 2008-08-13  Ian Lance Taylor  <iant@google.com>
10548
10549         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10550         set tls_segment_ or relro_segment_.
10551         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10552         when appropriate.
10553         * output.h (Output_section::clear_is_relro): New function.
10554         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10555         sections specially even when output_data_ is empty.
10556         (Output_segment::maximum_alignment): When first section is relro,
10557         only force alignment for PT_LOAD segments.
10558         * script.cc (script_data_segment_align): New function.
10559         (script_data_segment_relro_end): New function.
10560         * script-c.h (script_data_segment_align): Declare.
10561         (script_data_segment_relro_end): Declare.
10562         * script-sections.h (class Script_sections): Declare
10563         data_segment_align and data_segment_relro_end.  Add fields
10564         segment_align_index_ and saw_relro_end_.
10565         * script-sections.cc (class Sections_element): Add set_is_relro
10566         virtual function.  Add new bool* parameter to place_orphan_here.
10567         Add get_output_section virtual function.
10568         (class Output_section_definition): Add set_is_relro.  Add new
10569         bool* parameter to place_orphan_here.  Add get_output_section.
10570         Add is_relro_ field.
10571         (Output_section_definition::Output_section_definition): Initialize
10572         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10573         and is_relro_ fields.
10574         (Output_section_definition::place_orphan_here): Add is_relro
10575         parameter.
10576         (Output_section_definition::set_section_addresses): Set relro for
10577         output section.
10578         (Output_section_definition::alternate_constraint): Likewise.
10579         (class Orphan_output_section): Add new bool* parameter to
10580         place_orphan_here.  Add get_output_section.
10581         (Orphan_output_section::place_orphan_here): Add is_relro
10582         parameter.
10583         (Script_sections::Script_sections): Initialize
10584         data_segment_align_index_ and saw_relro_end_.
10585         (Script_sections::data_segment_align): New function.
10586         (Script_sections::data_segment_relro_end): New function.
10587         (Script_sections::place_orphan): Set or clear is_relro.
10588         (Script_sections::set_section_addresses): Force alignment of first
10589         TLS section.
10590         * yyscript.y (exp): Call script_data_segment_align and
10591         script_data_segment_relro_end.
10592         * testsuite/relro_script_test.t: New file.
10593         * testsuite/relro_test.cc (using_script): Declare.
10594         (t1, t2): Test using_script.
10595         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10596         (relro_script_test_SOURCES): Define.
10597         (relro_script_test_DEPENDENCIES): Define.
10598         (relro_script_test_LDFLAGS): Define.
10599         (relro_script_test_LDADD): Define.
10600         (relro_script_test.so): New target.
10601         * testsuite/Makefile.in: Rebuild.
10602
10603 2008-08-06  Cary Coutant <ccoutant@google.com>
10604
10605         * archive.cc (Archive::total_archives, Archive::total_members)
10606         (Archive::total_members_loaded): New variables.
10607         (Archive::setup): Add parameter.  Add option to preread
10608         archive symbols.
10609         (Archive::read_armap): Add counter.
10610         (Archive::get_file_and_offset): New function.
10611         (Archive::get_elf_object_for_member): New function.
10612         (Archive::read_all_symbols): New function.
10613         (Archive::read_symbols): New function.
10614         (Archive::add_symbols): Add counters.
10615         (Archive::include_all_members): Use armap to find members if it's
10616         already built.
10617         (Archive::include_member): Skip reading symbols if already read.
10618         Factored code into Archive::get_file_and_offset and
10619         Archive::get_elf_object_for_member.  Changed call to
10620         Mapfile::report_include_archive_member.
10621         (Archive::print_stats): New function.
10622         * archive.h: Declare Object and Read_symbols_data classes.
10623         (Archive::Archive): Add initializers for new members.
10624         (Archive::setup): Add parameter.
10625         (Archive::print_stats): New function.
10626         (Archive::total_archives, Archive::total_members)
10627         (Archive::total_members_loaded): New variables.
10628         (Archive::get_file_and_offset): New function.
10629         (Archive::get_elf_object_for_member): New function.
10630         (Archive::read_all_symbols): New function.
10631         (Archive::read_symbols): New function.
10632         (Archive::Archive_member): New class.
10633         (Archive::members_): New member.
10634         (Archive::num_members_): New member.
10635         * main.cc: Include archive.h.
10636         (main): Call Archive::print_stats.
10637         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10638         archive parameter; member_name is now the fully-decorated name.
10639         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10640         * options.h: (General_options): Add --preread-archive-symbols option.
10641         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10642         Archive::setup.
10643
10644 2008-08-04  Ian Lance Taylor  <iant@google.com>
10645
10646         * symtab.h (Symbol::use_plt_offset): New function.
10647         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10648         * powerpc.cc (Relocate::relocate): Likewise.
10649         * sparc.cc (Relocate::relocate): Likewise.
10650         * x86_64.cc (Relocate::relocate): Likewise.
10651         * testsuite/weak_plt.sh: New test.
10652         * testsuite/weak_plt_main.cc: New test.
10653         * testsuite/weak_plt_shared.cc: New test.
10654         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10655         (check_PROGRAMS): Add weak_plt.
10656         (check_DATA): Add weak_plt_shared.so.
10657         (weak_plt_main_pic.o, weak_plt): New targets.
10658         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10659         * testsuite/Makefile.in: Rebuild.
10660
10661         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10662         gcctestdir/ld.
10663         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10664         * testsuite/Makefile.in: Rebuild.
10665
10666 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10667
10668         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10669         * Makefile.in: Regenerate.
10670         * po/POTFILES.in: Regenerate.
10671
10672 2008-07-29  Ian Lance Taylor  <iant@google.com>
10673
10674         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10675         symbols before other symbols.
10676         * testsuite/script_test_2.cc (test_addr): Declare.
10677         (test_addr_alias): Declare.
10678         (main): Check that test_addr and test_addr_alias have the right
10679         values.
10680         * testsuite/script_test_2.t: Define test_addr_alias and
10681         test_addr.
10682
10683 2008-07-24  Ian Lance Taylor  <iant@google.com>
10684
10685         PR 5990
10686         * descriptors.cc: New file.
10687         * descriptors.h: New file.
10688         * gold-threads.h (class Hold_optional_lock): New class.
10689         * fileread.cc: Include "descriptors.h".
10690         (File_read::~File_read): Release descriptor rather than closing
10691         it.
10692         (File_read::open) [file]: Call open_descriptor rather than open.
10693         Set is_descriptor_opened_.
10694         (File_read::open) [memory]: Assert that descriptor is not open.
10695         (File_read::reopen_descriptor): New function.
10696         (File_read::release): Release descriptor.
10697         (File_read::do_read): Make non-const.  Reopen descriptor.
10698         (File_read::read): Make non-const.
10699         (File_read::make_view): Reopen descriptor.
10700         (File_read::do_readv): Likewise.
10701         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10702         Update declarations.
10703         * layout.cc: Include "descriptors.h".
10704         (Layout::create_build_id): Use open_descriptor rather than open.
10705         * output.cc: Include "descriptors.h".
10706         (Output_file::open): Use open_descriptor rather than open.
10707         * archive.cc (Archive::const_iterator): Change Archive to be
10708         non-const.
10709         (Archive::begin, Archive::end): Make non-const.
10710         (Archive::count_members): Likewise.
10711         * archive.h (class Archive): Update declarations.
10712         * object.h (Object::read): Make non-const.
10713         * Makefile.am (CCFILES): Add descriptors.cc.
10714         (HFILES): Add descriptors.h.
10715         * Makefile.in: Rebuild.
10716
10717         PR 6716
10718         * gold.h: Always include <clocale>.  Add Solaris workarounds
10719         following code in binutils/sysdep.h.
10720
10721         PR 6048
10722         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10723         this->eh_frame_hdr_ is NULL before using it.
10724
10725         * dynobj.cc (Versions::Versions): Update comment.
10726
10727         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10728         the base version name.
10729
10730         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10731         array size plus one.
10732         (Stringpool_template::set_string_offsets): Subtract one from key
10733         before using it as an array index.
10734         (Stringpool_template::get_offset_with_length): Likewise.
10735         (Stringpool_template::write_to_buffer): Likewise.
10736         * stringpool.h (Stringpool_template::get_offset_from_key):
10737         Likewise.
10738
10739 2008-07-23  Ian Lance Taylor  <iant@google.com>
10740
10741         PR 6658
10742         * object.h (Merged_symbol_value::value): Do our best to handle a
10743         negative addend.
10744
10745         PR 6647
10746         * script.cc (Version_script_info::get_versions): Don't add empty
10747         version tag to return value.
10748         (Version_script_info::get_symbol_version_helper): Change return
10749         type to bool.  Add pversion parameter.  Change all callers.
10750         (script_register_vers_node): Don't require a non-NULL tag.
10751         * script.h (class Version_script_info): Update declarations.
10752         (Version_script_info::get_symbol_version): Change return type to
10753         bool.  Add version parameter.  Change all callers.
10754         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10755         handling.  Handle an empty version from a version script.
10756         (Symbol_table::define_special_symbol): Likewise.
10757         * testsuite/ver_test_10.script: New file.
10758         * testsuite/ver_test_10.sh: New file.
10759         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10760         (check_DATA): Add ver_test_10.syms.
10761         (ver_test_10.syms, ver_test_10.so): New target.
10762         * testsuite/Makefile.in: Rebuild.
10763
10764 2008-07-23  Simon Baldwin  <simonb@google.com>
10765
10766         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10767         to zero for undefined symbols from dynamic libraries.
10768
10769 2008-07-23  Ian Lance Taylor  <iant@google.com>
10770
10771         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10772         Change all callers.
10773         * symtab.h (class Symbol_table): Update declaration.
10774         * testsuite/ver_test_9.cc: New file.
10775         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10776         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10777         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10778         (ver_test_9.so, ver_test_9.o): New targets.
10779         * testsuite/Makefile.in: Rebuild.
10780
10781 2008-07-22  Ian Lance Taylor  <iant@google.com>
10782
10783         * options.h (class General_options): Define --check-sections.
10784         * layout.cc (Layout::set_segment_offsets): Handle
10785         --check-sections.
10786
10787         * options.h (class General_options): Define -n/--nmagic and
10788         -N/--omagic.
10789         * options.cc (General_options::finalize): For -n/--nmagic or
10790         -N/--omagic, set -static.
10791         * layout.cc (Layout::attach_allocated_section_to_segment): If
10792         -N/--omagic, don't put read-only and read-write sections in
10793         different segments.
10794         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10795         finding a read-only segment.
10796         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10797         don't set the minimum segment alignment to the common page size,
10798         and don't set the file offset to the address modulo the page size.
10799         * script-sections.cc (Script_sections::create_segments): If
10800         -n/--omagic, don't put read-only and read-write sections in
10801         different segments.
10802
10803         * cref.cc: New file.
10804         * cref.h: New file.
10805         * options.h (class General_options): Add --print-symbol-counts.
10806         * main.cc (main): Issue defined symbol report if requested.
10807         * archive.cc (Archive::interpret_header): Make into a const member
10808         function.
10809         (Archive::add_symbols): Call Input_objects::archive_start and
10810         archive_stop.
10811         (Archive::const_iterator): Define new class.
10812         (Archive::begin, Archive::end): New functions.
10813         (Archive::include_all_members): Rewrite to use iterator.
10814         (Archive::count_members): New function.
10815         * archive.h (class Archive): Update declarations.
10816         (Archive::filename): New function.
10817         * object.cc: Include "cref.h".
10818         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10819         (Sized_relobj::do_get_global_symbol_counts): New function.
10820         (Input_objects::add_object): Add object to cross-referencer.
10821         (Input_objects::archive_start): New function.
10822         (Input_objects::archive_stop): New function.
10823         (Input_objects::print_symbol_counts): New function.
10824         * object.h: Declare Cref and Archive.
10825         (Object::get_global_symbol_counts): New function.
10826         (Object::do_get_global_symbol_counts): New pure virtual function.
10827         (class Sized_relobj): Add defined_count_ field.  Update
10828         declarations.
10829         (class Input_objects): Add cref_ field.  Update constructor.
10830         Update declarations.
10831         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10832         defined_count_.
10833         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10834         symbol counts.
10835         (Sized_dynobj::do_get_global_symbol_counts): New function.
10836         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10837         defined_count_.  Update declarations.  Define Symbols typedef.
10838         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10839         parameter.  Change all callers.
10840         (Symbol_table::add_from_dynobj): Add sympointers and defined
10841         parameters.  Change all callers.
10842         * symtab.h (class Symbol_table): Update declarations.
10843         * Makefile.am (CCFILES): Add cref.cc.
10844         (HFILES): Add cref.h.
10845         * Makefile.in: Rebuild.
10846
10847 2008-07-22  Simon Baldwin  <simonb@google.com>
10848
10849         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10850         to zero when writing undefined symbols.
10851
10852 2008-07-22  Ian Lance Taylor  <iant@google.com>
10853
10854         * output.cc (Output_section::add_input_section): Don't try to
10855         merge empty merge sections.
10856
10857 2008-07-21  Craig Silverstein  <csilvers@google.com>
10858
10859         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10860         Include symbol version in error message.
10861
10862 2008-07-20  Chris Demetriou  <cgd@google.com>
10863
10864         * configure.ac (gold_cv_c_random_seed): New configured variable.
10865         (RANDOM_SEED_CFLAGS): New substituted variable.
10866         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10867         * configure: Rebuild.
10868         * Makefile.in: Likewise.
10869         * testsuite/Makefile.in: Likewise.
10870
10871 2008-07-18  Ian Lance Taylor  <iant@google.com>
10872
10873         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10874         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10875         * testsuite/ver_test_main.cc (main): Call t4.
10876         (t4, t4_2a): Define.
10877         * testsuite/ver_test_2.cc (t4_2): Define.
10878         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10879         * testsuite/ver_test_4.cc (t4_2a): Define.
10880         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10881         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10882
10883 2008-07-17  Ian Lance Taylor  <iant@google.com>
10884
10885         * dynobj.cc (Versions::add_def): If we give an error about a
10886         missing version, go ahead and create the version anyhow.
10887
10888 2008-07-10  Ian Lance Taylor  <iant@google.com>
10889
10890         Handle output sections with more than 0x7fffffff bytes.
10891         * object.h (class Relobj): Change map_to_output_ to
10892         output_sections_, and just keep a section pointer.  Change all
10893         uses.  Move comdat group support to Sized_relobj.
10894         (Relobj::is_section_specially_mapped): Remove.
10895         (Relobj::output_section): Remove poff parameter.  Change all
10896         callers.
10897         (Relobj::output_section_offset): New function.
10898         (Relobj::set_section_offset): Rewrite.
10899         (Relobj::map_to_output): Remove.
10900         (Relobj::output_sections): New function.
10901         (Relobj::do_output_section_offset): New pure virtual function.
10902         (Relobj::do_set_section_offset): Likewise.
10903         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10904         group support from Relobj.  Update declarations.
10905         (Sized_relobj::get_output_section_offset): New function.
10906         (Sized_relobj::do_output_section_offset): New function.
10907         (Sized_relobj::do_set_section_offset): New function.
10908         * object.cc (Relobj::output_section_address): Remove.
10909         (Sized_relobj::Sized_relobj): Initialize new fields.
10910         (Sized_relobj::include_section_group): Cast find_kept_object to
10911         Sized_relobj.
10912         (Sized_relobj::include_linkonce_section): Likewise.
10913         (Sized_relobj::do_layout): Use separate arrays for output section
10914         and output offset.
10915         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10916         output_sections.
10917         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10918         output_sections and section_offsets.
10919         (Sized_relobj::write_local_symbols): Likewise.
10920         (map_to_kept_section): Compute output address directly.
10921         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10922         output_sections and section_offsets.
10923         (Sized_relobj::write_sections): Likewise.
10924         (Sized_relobj::relocate_sections): Likewise.
10925         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10926         * output.h (class Output_reloc): Update declarations.  Change
10927         u2_.relobj to Sized_relobj*.
10928         (class Output_data_reloc): Change add functions to use
10929         Sized_relobj*.
10930         * output.cc (Output_reloc::Output_reloc): Change relobj to
10931         Sized_relobj*.
10932         (Output_reloc::local_section_offset): Change return type to
10933         Elf_Addr.  Use get_output_section_offset.
10934         (Output_reloc::get_address): Likewise.
10935         (Output_section::is_input_address_mapped): Don't call
10936         is_section_specially_mapped.
10937         (Output_section::output_offset): Likewise.
10938         (Output_section::output_address): Likewise.
10939         (Output_section::starting_output_address): Likewise.
10940         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10941         parameter to Sized_relobj*.
10942         (Copy_relocs::need_copy_reloc): Likewise.
10943         (Copy_relocs::save): Likewise.
10944         * copy-relocs.h (class Copy_relocs): Update declarations.
10945         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10946         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10947         * target-reloc.h (relocate_for_relocatable): Change
10948         offset_in_output_section type to Elf_Addr.  Change code that uses
10949         it as well.
10950         * layout.cc (Layout::layout): Always set *off.
10951         * mapfile.cc (Mapfile::print_input_section): Use
10952         output_section_offset.
10953         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10954         Sized_relobj*.
10955         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10956         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10957         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10958
10959 2008-07-03  Ian Lance Taylor  <iant@google.com>
10960
10961         * layout.cc (Layout::include_section): Do not discard unrecognized
10962         SHT_STRTAB sections.
10963
10964 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10965
10966         * script.cc (Lex::can_continue_name): Make '?' allowable in
10967         version-script names.
10968         * testsuite/version_script.map: Change glob pattern to use '?'
10969
10970 2008-06-30  Manish Singh  <yosh@gimp.org>
10971
10972         PR 6585
10973         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10974         Correct typo.
10975
10976 2008-06-30  Ian Lance Taylor  <iant@google.com>
10977
10978         PR 6660
10979         PR 6682
10980         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10981         versions]: Don't try to read the value in the contents, since we
10982         don't use it.  Use the template endianness when writing.
10983
10984 2008-06-25  Cary Coutant  <ccoutant@google.com>
10985
10986         * fileread.cc (File_read::make_view): Assert on zero-length view.
10987         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10988         symbol table when there are no symbols to read.
10989
10990 2008-06-23  Craig Silverstein  <csilvers@google.com>
10991
10992         * version.cc (version_string): Bump to 1.7
10993
10994 2008-06-18  Craig Silverstein  <csilvers@google.com>
10995
10996         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10997         constant 0xFFFF to type Valtype.
10998         (Powerpc_relocate_functions::rel16_ha): Likewise.
10999
11000 2008-06-17  Ian Lance Taylor  <iant@google.com>
11001
11002         * output.h (Output_section::Input_section): Initialize p2align_ to
11003         zero for Output_section_data constructors.
11004         (Output_section::Input_section::addralign): If not an input
11005         section, return the alignment of the Output_section_data.
11006         * testsuite/copy_test.cc: New file.
11007         * testsuite/copy_test_1.cc: New file.
11008         * testsuite/copy_test_2.cc: New file.
11009         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11010         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11011         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11012         (copy_test_1_pic.o, copy_test_1.so): New targets.
11013         (copy_test_2_pic.o, copy_test_2.so): New targets.
11014         * testsuite/Makefile.in: Rebuild.
11015
11016         * script-sections.cc (Script_sections::place_orphan): Initialize
11017         local variable exact.
11018
11019 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11020
11021         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11022
11023 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11024             David S. Miller  <davem@davemloft.net>
11025
11026         * powerpc.cc: New file.
11027         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11028         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11029         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11030         * Makefile.in: Rebuild.
11031
11032 2008-06-09  Ian Lance Taylor  <iant@google.com>
11033
11034         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11035         <exception>.
11036         (throwing, orig_terminate): New static variables.
11037         (terminate_handler): New static function.
11038         (t2): Set terminate handler.
11039
11040 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11041
11042         PR 6584
11043         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11044         alignment.
11045
11046 2008-05-30  Cary Coutant  <ccoutant@google.com>
11047
11048         * archive.cc (Archive::include_all_members) Correct to step
11049         over symbol table and extended name table in thin archives.
11050
11051 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11052
11053         PR 6407
11054         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11055         calculation.
11056
11057 2008-05-28  Caleb Howe  <cshowe@google.com>
11058
11059         * reduced_debug_output.cc: New file.
11060         * reduced_debug_output.h: New file.
11061         * options.h (class General_options): Add --strip-debug-non-line.
11062         * options.cc (General_options::finalize): Add strip_debug_non_line
11063         to the strip heirarchy.
11064         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11065         fields.
11066         * layout.cc: Include "reduced_debug_output.h".
11067         (Layout::Layout): Initialize new fields.
11068         (line_only_debug_sections): New static array.
11069         (is_lines_only_debug_sections): New static inline function.
11070         (Layout::include_section): Handle --strip-debug-non-line.
11071         (Layout::make_output_section): If --strip-debug-non-line, build
11072         new output sections for .debug_abbrev and .debug_info.
11073         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11074         gold.  Warn about possible overflow.
11075         (read_signed_LEB_128): Likewise.
11076         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11077         (read_signed_LEB_128): Declare.
11078         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11079         (HFILES): Add reduced_debug_output.h.
11080         * Makefile.in: Rebuild.
11081
11082 2008-05-21  Ian Lance Taylor  <iant@google.com>
11083
11084         * mapfile.cc: New file.
11085         * mapfile.h: New file.
11086         * options.h (class General_options): Add -M/--print-map and -Map.
11087         * options.cc (General_options::finalize): Make -M equivalent to
11088         -Map -.
11089         * main.cc: Include <cstdio> and "mapfile.h".
11090         (main): Open mapfile if requested.
11091         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11092         constructor.  Change caller.
11093         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11094         (queue_middle_tasks): Likewise.
11095         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11096         declarations.
11097         * archive.cc: Include "mapfile.h".
11098         (Archive::add_symbols): Add mapfile parameter.  Change all
11099         callers.  Pass mapfile, symbol, and reason to include_member.
11100         (Archive::include_all_members): Add mapfile parameter.  Change all
11101         callers.
11102         (Archive::include_member): Add mapfile, sym, and why parameters.
11103         Change all callers.  Report inclusion to map file.
11104         * archive.h: Include "fileread.h".
11105         (class Archive): Update declarations.
11106         (Archive::file): New const method.
11107         (class Add_archive_symbols): Add mapfile_ field.  Update
11108         constructor.  Change all callers.
11109         * readsyms.h (class Read_symbols): Likewise.
11110         (class Finish_group): Likewise.
11111         (class Read_script): Likewise.
11112         * common.cc: Include "mapfile.h".
11113         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11114         all callers.
11115         (Symbol_table::do_allocate_commons): Likewise.
11116         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11117         symbol allocation to mapfile.
11118         * common.h (class Allocate_commons_task): Add mapfile_ field.
11119         Update constructor.  Change all callers.
11120         * symtab.h (class Symbol_table): Update declarations.
11121         * layout.cc: Include "mapfile.h".
11122         (Layout_task_runner::run): Print information to mapfile.
11123         (Layout::create_gold_note): Change Output_data_fixed_space to
11124         Output_data_zero_fill.
11125         (Layout::create_build_id): Likewise.
11126         (Layout::print_to_mapfile): New function.
11127         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11128         constructor.  Change caller.
11129         (class Layout): Declare print_to_mapfile.
11130         * output.cc (Output_section::Input_section::print_to_mapfile): New
11131         function.
11132         (Output_section::add_input_section): If producing a map, always
11133         add to input_sections_ list.
11134         (Output_section::do_print_to_mapfile): New function.
11135         (Output_segment::print_sections_to_mapfile): New function.
11136         (Output_segment::print_section_list_to_mapfile): New function.
11137         * output.h: Include "mapfile.h".
11138         (Output_data::print_to_mapfile): New function.
11139         (Output_data::do_print_to_mapfile): New virtual function.
11140         (Output_segment_headers::do_print_to_mapfile): New function.
11141         (Output_file_header::do_print_to_mapfile): New function.
11142         (Output_data_const::do_print_to_mapfile): New function.
11143         (class Output_data_const_buffer): Add map_name_ field.  Update
11144         constructor.  Change all callers.  Add do_print_to_mapfile
11145         function.
11146         (class Output_data_fixed_space): Likewise.
11147         (class Output_data_space): Likewise.
11148         (class Output_data_zero_fill): New class.
11149         (Output_data_strtab::do_print_to_mapfile): New function.
11150         (Output_data_reloc_base::do_print_to_mapfile): New function.
11151         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11152         (Output_data_group::do_print_to_mapfile): New function.
11153         (Output_data_got::do_print_to_mapfile): New function.
11154         (Output_data_dynamic::do_print_to_mapfile): New function.
11155         (Output_symtab_xindex::do_print_to_mapfile): New function.
11156         (class Output_section): Declare do_print_to_mapflie.  Declare
11157         print_to_mapfile in Input_section.
11158         (class Output_segment): Declare new functions.
11159         * object.h (Sized_relobj::symbol_count): New function.
11160         * script-sections.cc
11161         (Output_section_element_dot_assignment::set_section_addresses):
11162         Change Output_data_fixed_space to Output_data_zero_fill.
11163         (Output_data_expression::do_print_to_mapfile): New function.
11164         * script.cc (read_input_script): Add mapfile parameter.  Change
11165         all callers.
11166         * script.h (read_input_script): Update declaration.
11167         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11168         (Eh_frame::do_print_to_mapfile): New function.
11169         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11170         (Output_merge_string::do_print_to_mapfile): New function.
11171         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11172         function.
11173         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11174         function.
11175         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11176         function.
11177         * Makefile.am (CCFILES): Add mapfile.cc.
11178         (HFILES): Add mapfile.h.
11179         * Makefile.in: Rebuild.
11180
11181 2008-05-19  Ian Lance Taylor  <iant@google.com>
11182
11183         * options.h (class General_options): Add -z relro.
11184         * layout.cc (Layout::Layout): Initialize relro_segment_.
11185         (Layout::add_output_section_data): Return the output section.
11186         (Layout::make_output_section): Rcognize relro sections and mark
11187         them appropriately.
11188         (Layout::attach_allocated_section_to_segment): Put relro sections
11189         in a PT_GNU_RELRO segment.
11190         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11191         section as relro.
11192         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11193         PT_TLS segments.
11194         (Layout::linkonce_mapping): Map d.rel.ro.local to
11195         .data.rel.ro.local.
11196         (Layout::output_section_name): Us .data.rel.ro.local for any
11197         section which begins with that.
11198         * layout.h (class Layout): Update add_output_section_data
11199         declaration.  Add relro_segment_ field.
11200         * output.cc (Output_section::Output_section): Initialize is_relro_
11201         and is_relro_local_ fields.
11202         (Output_segment::add_output_section): Group relro sections.
11203         (Output_segment::is_first_section_relro): New function.
11204         (Output_segment::maximum_alignment): If there is a relro section,
11205         align the segment to the common page size.
11206         (Output_segment::set_section_addresses): Track whether we are
11207         looking at relro sections.  If the last section is a relro
11208         section, align to the common page size.
11209         (Output_segment::set_section_list_addresses): Add in_relro
11210         parameter.  Change all callers.  Align to the page size when
11211         moving from relro to non-relro section.
11212         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11213         segment.
11214         * output.h (class Output_section): Add is_relro_ and
11215         is_relro_local_ fields.
11216         (Output_section::is_relro): New function.
11217         (Output_section::set_is_relro): New function.
11218         (Output_section::is_relro_local): New function.
11219         (Output_section::set_is_relro_local): New function.
11220         (class Output_segment): Update declarations.
11221         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11222         * sparc.cc (Target_sparc::got_section): Likewise.
11223         * x86_64.cc (Target_x86_64::got_section): Likewise.
11224         * testsuite/relro_test_main.cc: New file.
11225         * testsuite/relro_test.cc: New file.
11226         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11227         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11228         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11229         (relro_test.so, relro_test_pic.o): New targets.
11230         * testsuite/Makefile.in: Rebuild.
11231
11232 2008-05-16  Ian Lance Taylor  <iant@google.com>
11233
11234         * output.cc (Output_segment::add_output_section): Remove front
11235         parameter.
11236         * output.h (class Output_segment): Remove
11237         add_initial_output_section and overloaded add_output_section.
11238         Update declaration of remaining add_output_section.
11239         * layout.cc (Layout::create_interp): Call add_output_section
11240         rather than add_initial_output_section.
11241         (Layout::finish_dynamic_section): Likewise.
11242
11243         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11244         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11245         know the dynamic type.
11246         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11247         field.  Initialize it in constructor.
11248         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11249         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11250         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11251         reloc.
11252
11253         * output.cc (Output_reloc::get_address): Change return type to
11254         Elf_Addr.
11255         * output.h (class Output_reloc): Update get_address declaration.
11256         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11257         for section addresses.
11258
11259 2008-05-09  Ian Lance Taylor  <iant@google.com>
11260
11261         PR 6493
11262         * gold.cc (gold_nomem): Use return value of write.
11263
11264 2008-05-08  Ian Lance Taylor  <iant@google.com>
11265
11266         * symtab.c (Symbol::init_base_output_data): Add version
11267         parameter.  Change all callers.
11268         (Symbol::init_base_output_segment): Likewise.
11269         (Symbol::init_base_constant): Likewise.
11270         (Symbol::init_base_undefined): Likewise.
11271         (Sized_symbol::init_output_data): Likewise.
11272         (Sized_symbol::init_output_segment): Likewise.
11273         (Sized_symbol::init_constant): Likewise.
11274         (Sized_symbol::init_undefined): Likewise.
11275         (Symbol_table::do_define_in_output_data): If the new symbol has a
11276         version, mark it as the default.
11277         (Symbol_table::do_define_in_output_segment): Likewise.
11278         (Symbol_table::do_define_as_constant): Likewise.
11279         * symtab.h (class Symbol): Update declarations.
11280         (class Sized_symbol): Likewise.
11281         * resolve.cc (Symbol::override_version): New function.
11282         (Symbol::override_base): Call override_version.
11283         (Symbol::override_base_with_special): Likewise.
11284         * testsuite/ver_script_8.script: New file.
11285         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11286         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11287         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11288         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11289
11290 2008-05-06  Ian Lance Taylor  <iant@google.com>
11291
11292         PR 6049
11293         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11294         functions.
11295         (class General_options): Remove existing --undefined, and add
11296         --no-undefined instead.  Add new --undefined as synonym for -u.
11297         * archive.cc (Archive::add_symbols): Check whether symbol was
11298         named with -u.
11299         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11300         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11301         all uses.  Add IS_UNDEFINED.  Update declarations to split
11302         different versions of init_base.  Declare init_base_undefined.
11303         (Symbol::is_defined): Handle IS_UNDEFINED.
11304         (Symbol::is_undefined): Likewise.
11305         (Symbol::is_weak_undefined): Call is_undefined.
11306         (Symbol::is_absolute): Handle IS_CONSTANT.
11307         (class Sized_symbol): Update declarations to split different
11308         versions of init.  Declare init_undefined.
11309         (class Symbol_table): Declare new functions.
11310         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11311         Change all callers.
11312         (Symbol::init_base_output_data): Likewise.
11313         (Symbol::init_base_output_segment): Likewise.
11314         (Symbol::init_base_constant): Likewise.
11315         (Symbol::init_base_undefined): New function.
11316         (Sized_symbol::init_object): Rename from init.  Change all
11317         callers.
11318         (Sized_symbol::init_output_data): Likewise.
11319         (Sized_symbol::init_output_segment): Likewise.
11320         (Sized_symbol::init_constant): Likewise.
11321         (Sized_symbol::init_undefined): New function.
11322         (Symbol_table::add_undefined_symbols_from_command_line): New
11323         function.
11324         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11325         function.
11326         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11327         (Symbol::output_section): Likewise.
11328         (Symbol::set_output_section): Likewise.
11329         (Symbol_table::sized_finalize_symbol): Likewise.
11330         (Symbol_table::sized_write_globals): Likewise.
11331         * resolve.cc (Symbol_table::should_override): Likewise.
11332         (Symbol::override_base_with_special): Likewise.
11333
11334         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11335         symbol, change it to have default visibility.
11336         * testsuite/protected_1.cc: New file.
11337         * testsuite/protected_2.cc: New file.
11338         * testsuite/protected_3.cc: New file.
11339         * testsuite/protected_main_1.cc: New file.
11340         * testsuite/protected_main_2.cc: New file.
11341         * testsuite/protected_main_3.cc: New file.
11342         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11343         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11344         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11345         (protected_1.so): New target.
11346         (protected_1_pic.o, protected_2_pic.o): New targets.
11347         (protected_3_pic.o): New target.
11348         (check_PROGRAMS): Add protected_2.
11349         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11350         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11351         * testsuite/Makefile.in: Rebuild.
11352
11353         * options.h (DEFINE_var): Add set_user_set_##varname__.
11354         (DEFINE_bool_alias): New macro.
11355         (class General_options): Define -Bstatic using DEFINE_bool_alias
11356         rather than DEFINE_special.  Add --undefined as an alias for -z
11357         defs.
11358         * options.cc (General_options::parse_Bstatic): Remove.
11359
11360         * options.h (class General_options): Add --fatal-warnings.
11361         * main.cc (main): Implement --fatal-warnings.
11362         * errors.h (Errors::warning_count): New function.
11363
11364         * options.h (class General_options): Add -Bsymbolic-functions.
11365         * symtab.h (Symbol::is_preemptible): Check for
11366         -Bsymbolic-functions.
11367
11368 2008-05-05  Ian Lance Taylor  <iant@google.com>
11369
11370         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11371         as noVARNAME rather than no-VARNAME.
11372         (class General_options): Add option -z combreloc.
11373         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11374         get_address.
11375         (Output_reloc::sort_before) [SHT_REL]: New function.
11376         (Output_reloc::sort_before) [SHT_RELA]: New function.
11377         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11378         Sort_relocs_comparison.
11379         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11380         parameter.  Change all callers.
11381         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11382         sort_relocs parameter.  Change all callers.
11383         * output.cc (Output_reloc::get_address): New function, broken out
11384         of write_rel.
11385         (Output_reloc::write_rel): Call it.
11386         (Output_reloc::compare): New function.
11387         (Output_data_reloc_base::do_write): Optionally sort relocs.
11388
11389         * configure.ac: If targ_extra_obj is set, link it in.
11390         * configure.tgt: Initialize all variables.
11391         (x86_64*): Set targ_extra_obj and targ_extra_size.
11392         * configure: Rebuild.
11393
11394         * object.cc (Sized_relobj::include_section_group): Adjust section
11395         indexes read from group data.  Build vector to pass to
11396         layout_group.
11397         * layout.cc (Layout::layout_group): Add flags and shndxes
11398         parameters.  Remove contents parameter.  Change caller.  Update
11399         explicit instantiations.
11400         * layout.h (class Layout): Update layout_group declaration.
11401         * output.cc (Output_data_group::Output_data_group): Add flags and
11402         input_shndxes parameters.  Remove contents parameter.  Change
11403         caller.
11404         (Output_data_group::do_write): Change input_sections_ to
11405         input_shndxes_.
11406         * output.h (class Output_data_group): Update constructor
11407         declaration.  Rename input_sections_ to input_shndxes_.
11408         * testsuite/many_sections_test.cc: Add template.
11409
11410 2008-04-30  Cary Coutant  <ccoutant@google.com>
11411
11412         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11413
11414         * layout.cc (Layout::include_section): Refactored check for debug
11415         info section.
11416         (Layout::add_comdat): Add new parameters.  Change type
11417         of signature parameter.  Add object and shndx to signatures table.
11418         (Layout::find_kept_object): New function.
11419         * layout.h: Include <cstring>.
11420         (Layout::is_debug_info_section): New function.
11421         (Layout::add_comdat): Add new parameters.
11422         (Layout::find_kept_object): New function.
11423         (Layout::Kept_section): New struct.
11424         (Layout::Signatures): Change type of map range.
11425         * object.cc (Relobj::output_section_address): New function.
11426         (Sized_relobj::include_section_group): Add new parameters.  Change
11427         calls to Layout::add_comdat.  Change to build table of kept comdat
11428         groups and table mapping discarded sections to kept sections.
11429         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11430         (Sized_relobj::do_layout): Change calls to include_section_group and
11431         include_linkonce_section.
11432         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11433         value to zero when section is discarded.
11434         (Sized_relobj::map_to_kept_section): New function.
11435         * object.h (Relobj::output_section_address): New function.
11436         (Relobj::Comdat_group): New type.
11437         (Relobj::find_comdat_group): New function.
11438         (Relobj::Comdat_group_table): New type.
11439         (Relobj::Kept_comdat_section): New type.
11440         (Relobj::Kept_comdat_section_table): New type.
11441         (Relobj::add_comdat_group): New function.
11442         (Relobj::set_kept_comdat_section): New function.
11443         (Relobj::get_kept_comdat_section): New function.
11444         (Relobj::comdat_groups_): New field.
11445         (Relobj::kept_comdat_sections_): New field.
11446         (Symbol_value::input_value): Update comment.
11447         (Sized_relobj::map_to_kept_section) New function.
11448         (Sized_relobj::include_linkonce_section): Add new parameter.
11449         * target-reloc.h (Comdat_behavior): New type.
11450         (get_comdat_behavior): New function.
11451         (relocate_section): Add code to map a discarded section to the
11452         corresponding kept section when applying a relocation.
11453
11454 2008-04-30  Craig Silverstein  <csilvers@google.com>
11455
11456         * dwarf_reader.cc (next_generation_count): New static var.
11457         (Addr2line_cache_entry): New struct.
11458         (addr2line_cache): New static var.
11459         (Dwarf_line_info::one_addr2line): Added caching.
11460         (Dwarf_line_info::clear_addr2line_cache): New function.
11461         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11462         cache-size parameter.
11463         (Dwarf_line_info::one_addr2line_cache): New function.
11464         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11465         new cache-size argument to one_addr2line(), and clear cache.
11466
11467 2008-04-28  Cary Coutant  <ccoutant@google.com>
11468
11469         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11470         R_386_PC8 relocations.
11471
11472 2008-04-23  Ian Lance Taylor  <iant@google.com>
11473
11474         * object.cc (Sized_relobj::include_section_group): Check for
11475         invalid section group.
11476
11477         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11478         header size.
11479
11480         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11481         than read for file header.
11482         * archive.cc (Archive::include_member): Likewise.
11483
11484 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11485
11486         * aclocal.m4: Regenerate.
11487         * configure: Regenerate.
11488
11489 2008-04-19  Ian Lance Taylor  <iant@google.com>
11490
11491         * version.cc (version_string): Bump to 1.6.
11492
11493         * testsuite/Makefile.am (many_sections_r_test): New target.
11494         (many_sections_r_test_SOURCES): Remove.
11495         (many_sections_r_test_DEPENDENCIES): Remove.
11496         (many_sections_r_test_LDFLAGS): Remove.
11497         (many_sections_r_test_LDADD): Remove.
11498
11499         * object.cc (Sized_relobj::do_add_symbols): Always pass
11500         local_symbol_count_ to add_from_relobj.
11501
11502         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11503         every thousand variables.
11504         * testsuite/Makefile.in: Rebuild.
11505
11506         * object.cc (Xindex::initialize_symtab_xindex): New function.
11507         (Xindex::read_symtab_xindex): New function.
11508         (Xindex::sym_xindex_to_shndx): New function.
11509         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11510         available.
11511         (Sized_relobj::do_initialize_xindex): New function.
11512         (Sized_relobj::do_read_symbols): Adjust section links.
11513         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11514         parameter.  Change all callers.
11515         (Sized_relobj::include_section_group): Adjust section links and
11516         symbol section indexes.
11517         (Sized_relobj::do_layout): Adjust section links.
11518         (Sized_relobj::do_count_local_symbols): Adjust section links and
11519         symbol section indexes.
11520         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11521         ordinary and special symbols.
11522         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11523         dynsym_xindex parameters.  Change all callers.  Adjust section
11524         links.  Use SHN_XINDEX when needed.
11525         (Sized_relobj::get_symbol_location_info): Adjust section links.
11526         Don't get fooled by special symbols.
11527         * object.h (class Xindex): Define.
11528         (class Object): Add xindex_ parameter.  Declare virtual functoin
11529         do_initialize_xindex.
11530         (Object::adjust_sym_shndx): New function.
11531         (Object::set_xindex): New protected function.
11532         (class Symbol_value): Add is_ordinary_shndx_ field.
11533         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11534         (Symbol_value::value): Assert ordinary section.
11535         (Symbol_value::initialize_input_to_output_map): Likewise.
11536         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11537         Change all callers.
11538         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11539         all callers.
11540         (class Sized_relobj): Update declarations.
11541         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11542         parameter.  Change all callers.
11543         (Sized_relobj::adjust_shndx): New function.
11544         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11545         field.
11546         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11547         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11548         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11549         (Sized_dynobj::read_dynsym_section): Adjust section links.
11550         (Sized_dynobj::read_dynamic): Likewise.
11551         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11552         section links.
11553         (Sized_dynobj::do_initialize_xindex): New function.
11554         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11555         do_initialize_xindex.
11556         (Sized_dynobj::adjust_shndx): New function.
11557         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11558         dynsym_xindex_ fields.
11559         (Layout::finalize): Add a call to set_section_indexes before
11560         creating the symtab sections.
11561         (Layout::set_section_indexes): Don't do anything if the section
11562         already has a section index.
11563         (Layout::create_symtab_sections): Add shnum parameter.  Change
11564         caller.  Create .symtab_shndx section if needed.
11565         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11566         caller.
11567         (Layout::allocated_output_section_count): New function.
11568         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11569         needed.
11570         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11571         fields.  Update declarations.
11572         (Layout::symtab_xindex): New function.
11573         (Layout::dynsym_xindex): New function.
11574         (class Write_symbols_task): Add layout_ field.
11575         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11576         Change caller.
11577         * output.cc (Output_section_headers::Output_section_headers): Add
11578         shstrtab_section parameter.  Change all callers.
11579         (Output_section_headers::do_sized_write): Store overflow values
11580         for section count and section string table section index in
11581         section header zero.
11582         (Output_file_header::do_sized_write): Check for overflow of
11583         section count and section string table section index.
11584         (Output_symtab_xindex::do_write): New function.
11585         (Output_symtab_xindex::endian_do_write): New function.
11586         * output.h (class Output_section_headers): Add shstrtab_section_.
11587         Update declarations.
11588         (class Output_symtab_xindex): Define.
11589         (Output_section::has_out_shndx): New function.
11590         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11591         field.
11592         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11593         Change all callers.
11594         (Sized_symbol::init): Likewise.
11595         (Symbol::output_section): Check for ordinary symbol.
11596         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11597         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11598         callers.
11599         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11600         Change all callers.  Simplify handling of symbols from sections
11601         not included in the link.
11602         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11603         distinction.
11604         (Weak_alias_sorter::operator()): Assert that symbols are
11605         ordinary.
11606         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11607         distinction.
11608         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11609         parameters.  Change all callers.
11610         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11611         symbol distinction.  Use SHN_XINDEX when needed.
11612         (Symbol_table::write_section_symbol): Add symtab_xindex
11613         parameter.  Change all callers.
11614         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11615         SHN_XINDEX when needed.
11616         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11617         declarations.
11618         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11619         (Symbol::is_defined): Check is_ordinary.
11620         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11621         (Symbol::is_absolute, Symbol::is_common): Likewise.
11622         (class Sized_symbol): Update declarations.
11623         (class Symbol_table): Update declarations.
11624         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11625         parameters.  Change all callers.
11626         (Sized_symbol::override): Likewise.
11627         (Symbol_table::override): Likewise.
11628         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11629         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11630         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11631         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11632         to be in an ordinary section.
11633         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11634         object and is_ordinary parameters.  Change all callers.
11635         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11636         Change all callers.  Don't add undefined or non-ordinary symbols
11637         to reloc_map_.
11638         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11639         Change all callers.
11640         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11641         declarations.
11642         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11643         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11644         (Sized_relobj::relocate_sections): Likewise.
11645         * target-reloc.h (scan_relocs): Adjust section symbol index.
11646         (scan_relocatable_relocs): Likewise.
11647         * i386.cc (Scan::local): Check for ordinary symbols.
11648         * sparc.cc (Scan::local): Likewise.
11649         * x86_64.cc (Scan::local): Likewise.
11650         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11651         to symbol_section_and_value.
11652         * testsuite/many_sections_test.cc: New file.
11653         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11654         (check_PROGRAMS): Add many_sections_test.
11655         (many_sections_test_SOURCES): Define.
11656         (many_sections_test_DEPENDENCIES): Define.
11657         (many_sections_test_LDFLAGS): Define.
11658         (BUILT_SOURCES): Add many_sections_define.h.
11659         (many_sections_define.h): New target.
11660         (BUILT_SOURCES): Add many_sections_check.h.
11661         (many_sections_check.h): New target.
11662         (check_PROGRAMS): Add many_sections_r_test.
11663         (many_sections_r_test_SOURCES): Define.
11664         (many_sections_r_test_DEPENDENCIES): Define.
11665         (many_sections_r_test_LDFLAGS): Define.
11666         (many_sections_r_test_LDADD): Define.
11667         (many_sections_r_test.o): New target.
11668         * testsuite/Makefile.in: Rebuild.
11669
11670 2008-04-17  Cary Coutant  <ccoutant@google.com>
11671
11672         * errors.cc (Errors::info): New function.
11673         (gold_info): New function.
11674         * errors.h (Errors::info): New function.
11675         * gold.h (gold_info): New function.
11676         * object.cc (Input_objects::add_object): Print trace output.
11677         * options.cc (options::parse_set): New function.
11678         (General_options::parse_wrap): Deleted.
11679         (General_options::General_options): Deleted initializer.
11680         * options.h (options::String_set): New typedef.
11681         (options::parse_set): New function.
11682         (DEFINE_set): New macro.
11683         (General_options::wrap): Changed to use DEFINE_set. Changed
11684         callers of any_wrap_symbols and is_wrap_symbol.
11685         (General_options::trace, General_options::trace_symbol):
11686         New options.
11687         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11688         (General_options::wrap_symbols_): Deleted.
11689         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11690
11691 2008-04-17  David S. Miller  <davem@davemloft.net>
11692
11693         * options.cc (General_options::parse_V): New function.
11694         * options.h: Add entries for -V and -Qy.
11695
11696 2008-04-17  Ian Lance Taylor  <iant@google.com>
11697
11698         * common.cc (Symbol_table::allocate_commons): Remove options
11699         parameter.  Change caller.
11700         (Symbol_table::do_allocate_commons): Remove options parameter.
11701         Change caller.  Just call do_allocate_commons_list twice.
11702         (Symbol_table::do_allocate_commons_list): New function, broken out
11703         of do_allocate_commons.
11704         * common.h (class Allocate_commons_task): Remove options_ field.
11705         Update constructor.
11706         * symtab.cc (Symbol_table::Symbol_table): Initialize
11707         tls_commons_.
11708         (Symbol_table::add_from_object): Put TLS common symbols on
11709         tls_commons_ list.
11710         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11711         which are IN_OUTPUT_DATA.
11712         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11713         allocate_commons and do_allocate_commons declarations.  Declare
11714         do_allocate_commons_list.
11715         * gold.cc (queue_middle_tasks): Update creation of
11716         Allocate_commons_task to not pass options.
11717         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11718         (TLS_TEST_C_FLAGS): New variable.
11719         (tls_test_c_pic.o): New target.
11720         (tls_test_shared.so): Link in tls_test_c_pic.o.
11721         (tls_test_c_pic_ie.o): New target.
11722         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11723         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11724         (tls_test_c.o): New target.
11725         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11726         (tls_pic_test_LDADD): Likewise.
11727         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11728         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11729         (tls_test_c_gnu2.o): New target.
11730         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11731         tls_test_c_gnu2.o.
11732         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11733         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11734         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11735         * testsuite/tls_test.cc: Include "config.h".
11736         (t_last): Call t11_last.
11737         * testsuite/tls_test.h (t11, t11_last): Declare.
11738         * testsuite/tls_test_c.c: New file.
11739         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11740         * configure.ac: Check for OpenMP support.
11741         * configure, config.in, Makefile.in: Rebuild.
11742         * testsuite/Makefile.in: Rebuild.
11743
11744 2008-04-16  Cary Coutant  <ccoutant@google.com>
11745
11746         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11747         (Target_i386::tls_base_symbol_defined_): New field.
11748         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11749         (Target_i386::Scan::global): Likewise.
11750         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11751         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11752         (Target_x86_64::tls_base_symbol_defined_): New field.
11753         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11754         (Target_x86_64::Scan::global): Likewise.
11755
11756 2008-04-16  Cary Coutant  <ccoutant@google.com>
11757
11758         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11759         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11760         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11761         building shared libraries.
11762         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11763         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11764         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11765         * testsuite/Makefile.in: Rebuild.
11766         * testsuite/weak_undef.h: New file.
11767         * testsuite/weak_undef_file1.cc: Add extra test cases.
11768         * testsuite/weak_undef_file2.cc: Likewise.
11769         * testsuite/weak_undef_test.cc: Likewise.
11770
11771 2008-04-16  David S. Miller  <davem@davemloft.net>
11772
11773         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11774         Add issued_non_pic_error_ field.  Declare check_non_pic.
11775         (Target_sparc::Scan::check_non_pic): New function.
11776         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11777         (Target_sparc::Scan::global): Likewise.
11778
11779         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11780         * configure: Rebuild.
11781
11782         * options.h (DEFINE_enable): New macro.
11783         (new_dtags): New enable option.
11784         (initfirst, interpose, loadfltr, nodefaultlib,
11785         nodelete, nodlopen, nodump): New -z options.
11786         * layout.cc (Layout:finish_dynamic_section): If new
11787         dtags enabled, emit DT_RUNPATH.  Also, emit a
11788         DT_FLAGS_1 containing any specified -z flags.
11789
11790 2008-04-16  Ian Lance Taylor  <iant@google.com>
11791
11792         * copy-relocs.cc: New file.
11793         * copy-relocs.h: New file.
11794         * reloc.cc: Remove Copy_relocs code.
11795         * reloc.h: Likewise.
11796         * reloc-types.h (struct Reloc_types) [both versions]: Add
11797         get_reloc_addend_noerror.
11798         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11799         variants of add_global which take an addend which must be zero.
11800         * i386.cc: Include "copy-relocs.h".
11801         (class Target_i386): Change type of copy_relocs_ to variable,
11802         update initializer.
11803         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11804         Change all callers.
11805         (Target_i386::do_finalize_sections): Change handling of
11806         copy_relocs_.
11807         * sparc.cc: Include "copy-relocs.h".
11808         (class Target_sparc): Change type of copy_relocs_ to variable,
11809         update initializer.
11810         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11811         Change all callers.
11812         (Target_sparc::do_finalize_sections): Change handling of
11813         copy_relocs_.
11814         * x86_64.cc: Include "copy-relocs.h".
11815         (class Target_x86_64): Change type of copy_relocs_ to variable,
11816         update initializer.
11817         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11818         class.  Change all callers.
11819         (Target_x86_64::do_finalize_sections): Change handling of
11820         copy_relocs_.
11821         * Makefile.am (CCFILES): Add copy-relocs.cc.
11822         (HFILES): Add copy-relocs.h.
11823
11824         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11825
11826         * testsuite/script_test_4.sh: Permit leading zeroes.
11827
11828 2008-04-15  Ian Lance Taylor  <iant@google.com>
11829
11830         * script-sections.cc (Script_sections::create_segments): Use
11831         header_size_adjustment even when there is enough room for the
11832         headers.
11833         * testsuite/script_test_4.sh: New file.
11834         * testsuite/script_test_4.t: New file.
11835         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11836         (check_DATA): Add script_test_4.stdout.
11837         (MOSTLYCLEANFILES): Likewise.
11838         (script_test_4): New target.
11839         (script_test_4.stdout): New target.
11840         * testsuite/Makefile.in: Rebuild.
11841
11842         * sparc.cc: Add definitions for Output_data_plt_sparc class
11843         constants.
11844
11845 2008-04-14  David S. Miller  <davem@davemloft.net>
11846
11847         * sparc.cc: New file.
11848         * Makefile.am (TARGETSOURCES): Add sparc.cc
11849         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11850         * configure.tgt: Document targ_extra_size and
11851         targ_extra_big_endian.  Add entries for sparc-* and
11852         sparc64-*.
11853         * configure.ac: Handle targ_extra_size and
11854         targ_extra_big_endian.
11855         * Makefile.in: Rebuild.
11856         * configure: Likewise.
11857         * po/POTFILES.in: Likewise.
11858         * po/gold.pot: Likewise.
11859
11860 2008-04-14  Ian Lance Taylor  <iant@google.com>
11861
11862         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11863         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11864         in the name/type/flags to section mapping.  Don't call
11865         allocate_output_section.
11866         (Layout::choose_output_section): Change parameter from adjust_name
11867         to is_input_section.  Don't permit input sections after sections
11868         are attached to segments.  Don't call allocate_output_section.
11869         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11870         not write_enable_output_section.
11871         (Layout::make_output_section): Don't push to
11872         unattached_section_list_ nor call attach_to_segment.  Call
11873         attach_section_to_segment if sections are attached.
11874         (Layout::attach_sections_to_segments): New function.
11875         (Layout::attach_section_to_segment): New function.
11876         (Layout::attach_allocated_section_to_segment): Rename from
11877         attach_to_segment.  Remove flags parameter.
11878         (Layout::allocate_output_section): Remove function.
11879         (Layout::write_enable_output_section): Remove function.
11880         * layout.h (class Layout): Update for above changes.  Add new
11881         field sections_are_attached_.
11882         * output.h (Output_section::update_flags_for_input_section): New
11883         function.
11884         * output.cc (Output_section::add_input_section): Call
11885         update_flags_for_input_section.
11886         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11887
11888 2008-04-11  Cary Coutant  <ccoutant@google.com>
11889
11890         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11891         thought unnecessary.
11892         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11893
11894 2008-04-11  Ian Lance Taylor  <iant@google.com>
11895
11896         * output.h (class Output_section_data): Remove inline definition
11897         of set_addralign.
11898         * output.cc (Output_section_data::set_addralign): New function.
11899
11900 2008-04-11  Cary Coutant  <ccoutant@google.com>
11901
11902         Add support for TLS descriptors for i386 and x86_64.
11903         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11904         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11905         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11906         GOT_TYPE_TLS_DESC.
11907         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11908         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11909         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11910         relocations.
11911         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11912         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11913         Fix problem with initial-exec relocations.
11914         (Target_i386::Relocate::relocate_tls): Likewise.
11915         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11916         relaxation.
11917         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11918         support for section-plus-offset dynamic table entries.
11919         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11920         (Output_data_dynamic::Dynamic_entry): Add support for
11921         section-plus-offset dynamic table entries.
11922         (Output_data_dynamic::Classification): Likewise.
11923         (Output_data_dynamic::classification_): Renamed offset_.
11924         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11925         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11926         (Target_x86_64::make_plt_section): New function.
11927         (Target_x86_64::reserve_tlsdesc_entries): New function.
11928         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11929         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11930         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11931         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11932         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11933         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11934         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11935         add extra PLT entry for TLS descriptors.
11936         (Output_data_plt_x86_64::got_): New field.
11937         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11938         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11939         fields.
11940         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11941         descriptors.
11942         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11943         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11944         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11945         R_386_TLS_DESC_CALL relocations.
11946         (Target_x86_64::Scan::global): Likewise.
11947         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11948         for TLS descriptors.
11949         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11950         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11951         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11952         GD-to-IE relaxation.
11953         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11954         and TLS_DESCRIPTORS.
11955         * Makefile.in: Rebuild.
11956         * configure: Rebuild.
11957         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11958         (tls_test_shared2.so): New target.
11959         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11960         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11961         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11962         (tls_shared_gd_to_ie_test_LDADD): New variable.
11963         (tls_shared_gnu2_gd_to_ie_test): New target.
11964         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11965         New targets.
11966         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11967         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11968         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11969         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11970         (tls_shared_gnu2_test): New target.
11971         (tls_test_gnu2_shared.so): New target.
11972         (tls_shared_gnu2_test_SOURCES): New variable.
11973         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11974         (tls_shared_gnu2_test_LDFLAGS): New variable.
11975         (tls_shared_gnu2_test_LDADD): New variable.
11976         * testsuite/Makefile.in: Rebuild.
11977         * testsuite/Makefile.
11978
11979 2008-04-11  Ian Lance Taylor  <iant@google.com>
11980
11981         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11982         justsyms.t.
11983         * testsuite/Makefile.in: Rebuild.
11984
11985         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11986         long.
11987         * testsuite/script_test_2.cc (main): Adjust test.
11988
11989 2008-04-11  David S. Miller  <davem@davemloft.net>
11990             Ian Lance Taylor  <iant@google.com>
11991
11992         * options.h (General_options): Add entries for '-Y' and
11993         '-relax'.
11994         * options.cc (General_options:finalize): If -Y was used, add those
11995         entries to the library path instead of the default "/lib" and
11996         "/usr/lib".
11997
11998 2008-04-11  David S. Miller  <davem@davemloft.net>
11999
12000         * testsuite/justsyms.t: Start at 0x100.
12001         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12002         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12003         long.
12004         * testsuite/script_test_2.cc: Adjust string and section length
12005         checks.
12006
12007 2008-04-09  Ian Lance Taylor  <iant@google.com>
12008
12009         PR gold/5996
12010         * script-sections.cc (Sections_element::allocate_to_segment): Add
12011         orphan parameter.
12012         (Output_section_definition::allocate_to_segment): Likewise.
12013         (Orphan_output_section::allocate_to_segment): Likewise.
12014         (Script_sections::attach_sections_using_phdrs_clause): Don't
12015         propagate non-PT_LOAD segments to orphan sections.
12016         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12017         readelf rather than objdump.
12018         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12019         .interp section and PT_INTERP segment are the same size.
12020         * testsuite/Makefile.in: Rebuild.
12021
12022         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12023         aliases for symbols defined in the same object.
12024         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12025         (weak_alias_test_SOURCES): New variable.
12026         (weak_alias_test_DEPENDENCIES): New variable.
12027         (weak_alias_test_LDFLAGS): New variable.
12028         (weak_alias_test_LDADD): New variable.
12029         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12030         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12031         (weak_alias_test_3.o): New target.
12032         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12033         * testsuite/weak_alias_test_main.cc: New file.
12034         * testsuite/weak_alias_test_1.cc: New file.
12035         * testsuite/weak_alias_test_2.cc: New file.
12036         * testsuite/weak_alias_test_3.cc: New file.
12037
12038 2008-04-08  Ian Lance Taylor  <iant@google.com>
12039
12040         * options.h (class General_options): Add --noinhibit-exec option.
12041         * main.cc (main): Check --noinhibit-exec.
12042
12043         * options.h (class General_options): Define --wrap as a special
12044         option.  Add wrap_symbols_ field.
12045         (General_options::any_wrap_symbols): New function.
12046         (General_options::is_wrap_symbol): New function.
12047         * options.cc (General_options::parse_wrap): New function.
12048         (General_options::General_options): Initialize wrap_symbols_.
12049         * symtab.cc (Symbol_table::wrap_symbol): New function.
12050         (Symbol_table::add_from_object): Handle --wrap.
12051         * symtab.h (class Symbol_table): Declare wrap_symbol.
12052         * target.h (Target::wrap_char): New function.
12053         (Target::Target_info): Add wrap_char field.
12054         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12055         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12056         * testsuite/testfile.cc (Target_test::test_target_info):
12057         Likewise.
12058
12059         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12060         there is one.
12061
12062         * layout.h (class Layout): Add added_eh_frame_data_ field.
12063         * layout.cc (Layout::Layout): Initialize new field.
12064         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12065         output section until we find a section we merged successfully.
12066         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12067         that the size be non-zero.
12068
12069         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12070         qualifier.
12071
12072 2008-04-08  Craig Silverstein  <csilvers@google.com>
12073
12074         * configure.ac: Export new conditional variable HAVE_ZLIB.
12075         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12076         on HAVE_ZLIB.
12077         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12078         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12079
12080 2008-04-07  Ian Lance Taylor  <iant@google.com>
12081
12082         * version.cc (version_string): Set to "1.5".
12083
12084         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12085         Add issued_non_pic_error_ field.  Declare check_non_pic.
12086         (Target_x86_64::Scan::check_non_pic): New function.
12087         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12088         (Target_x86_64::Scan::global): Likewise.
12089
12090         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12091         addend parameter.  Change caller.  Handle merge sections.
12092         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12093         Address to Addend.  Don't add in the result of
12094         local_section_offset, pass down the addend and use the returned
12095         value.
12096         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12097         Update declarations of local_section_offset and symbol_value.
12098         * testsuite/two_file_test_1.cc (t18): New function.
12099         * testsuite/two_file_test_2.cc (f18): New function.
12100         * testsuite/two_file_test_main.cc (main): Call t18.
12101         * testsuite/two_file_test.h (t18, f18): Declare.
12102
12103         * configure.ac: Don't test for objdump, c++filt, or readelf.
12104         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12105         conditionals.
12106         (TEST_READELF): New variable.
12107         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12108         (check_PROGRAMS): Add two_file_strip_test.
12109         (two_file_strip_test): New target.
12110         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12111         (two_file_same_shared_strip_test_SOURCES): New variable.
12112         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12113         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12114         (two_file_same_shared_strip_test_LDADD): New variable.
12115         (two_file_shared_strip.so): New target.
12116         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12117         (ver_test_5.syms, ver_test_7.syms): Likewise.
12118         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12119         (strip_test_3.stdout): Use TEST_OBJDUMP.
12120         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12121
12122 2008-04-04  Cary Coutant  <ccoutant@google.com>
12123
12124         * symtab.h (Symbol::is_weak_undefined): New function.
12125         (Symbol::is_strong_undefined): New function.
12126         (Symbol::is_absolute): New function.
12127         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12128         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12129         absolute symbols.
12130         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12131         (weak_undef_test): New target.
12132         * testsuite/Makefile.in: Rebuild.
12133         * testsuite/weak_undef_file1.cc: New file.
12134         * testsuite/weak_undef_file2.cc: New file.
12135         * testsuite/weak_undef_test.cc: New file.
12136
12137 2008-04-03  Craig Silverstein  <csilvers@google.com>
12138
12139         * compressed_output.h (class Output_compressed_section): Use
12140         unsigned buffer.
12141         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12142         add zlib header.
12143         (zlib_compressed_suffix): Removed.
12144         (Output_compressed_section::set_final_data_size): Use unsigned
12145         buffers.
12146         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12147         Fix linker invocation.
12148         (flagstest_o_specialfile_and_compress_debug_sections):
12149         Likewise.
12150         * testsuite/Makefile.in: Regenerated.
12151
12152 2008-04-02  David S. Miller  <davem@davemloft.net>
12153
12154         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12155         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12156
12157 2008-04-02  Craig Silverstein  <csilvers@google.com>
12158
12159         * TODO: New file.
12160
12161 2008-04-02  Ian Lance Taylor  <iant@google.com>
12162
12163         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12164         parameters.  Update for new key type to views_.  Change all
12165         callers.
12166         (File_read::read): Adjust for byteshift in returned view.
12167         (File_read::add_view): New function, broken out of
12168         find_and_make_view.
12169         (File_read::make_view): New function, broken out of
12170         find_and_make_view.
12171         (File_read::find_or_make_view): Add offset and aligned
12172         parameters.  Rewrite accordingly.  Change all callers.
12173         (File_read::get_view): Add offset and aligned parameters.  Adjust
12174         for byteshift in return value.
12175         (File_read::get_lasting_view): Likewise.
12176         * fileread.h (class File_read): Update declarations.
12177         (class File_read::View): Add byteshift_ field.  Add byteshift to
12178         constructor.  Add byteshift method.
12179         * archive.h (Archive::clear_uncached_views): New function.
12180         (Archive::get_view): Add aligned parameter.  Change all callers.
12181         * object.h (Object::get_view): Add aligned parameter.  Change all
12182         callers.
12183         (Object::get_lasting_view): Likewise.
12184
12185         * fileread.cc (File_read::release): Don't call clear_views if
12186         there are multiple objects.
12187         * fileread.h (File_read::clear_uncached_views): New function.
12188         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12189         on the archive.
12190
12191 2008-03-31  Cary Coutant  <ccoutant@google.com>
12192
12193         Add thin archive support.
12194         * archive.cc (Archive::armagt): New const.
12195         (Archive::setup): Remove task parameter and calls to unlock.
12196         (Archive::unlock_nested_archives): New function.
12197         (Archive::read_header): Add nested_off parameter. Change
12198         all callers.
12199         (Archive::interpret_header): Likewise.
12200         (Archive::include_all_members): Change to handle thin
12201         archives.
12202         (Archive::include_member): Likewise.
12203         * archive.h (Archive::Archive): Add new parameters and
12204         initializers.
12205         (Archive::armagt): New const.
12206         (Archive::setup): Remove task parameter.
12207         (Archive::unlock_nested_archives): New function.
12208         (Archive::read_header): Add nested_off parameter.
12209         (Archive::interpret_header): Likewise.
12210         (Archive::Nested_archive_table): New typedef.
12211         (Archive::is_thin_archive_): New field.
12212         (Archive::nested_archives_): New field.
12213         (Archive::options_): New field.
12214         (Archive::dirpath_): New field.
12215         (Archive::task_): New field.
12216         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12217         for thin archives.  Pass additional parameters to
12218         Archive::Archive.  Unlock the archive file after calling
12219         Archive::setup.
12220
12221 2008-03-29  Ian Lance Taylor  <iant@google.com>
12222
12223         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12224         version symbol to be local.
12225         * testsuite/ver_test_4.sh: New file.
12226         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12227         (check_DATA): Add ver_test_4.syms.
12228         (ver_test_4.syms): New target.
12229         * testsuite/Makefile.in: Rebuild.
12230
12231         * output.cc
12232         (Output_section::Input_section_sort_entry::has_priority): New
12233         function.
12234         (Output_section::Input_section_sort_entry::match_file_name): New
12235         function.
12236         (Output_section::Input_section_sort_entry::match_section_name):
12237         Remove.
12238         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12239         Remove.
12240         (Output_section::Input_section_sort_entry::match_section_file):
12241         Remove.
12242         (Output_section::Input_section_sort_compare::operator()): Rewrite
12243         using new Input_section_sort_entry functions.  Sort crtbegin and
12244         crtend first.  Sort sections with no priority before sections with
12245         a priority.
12246         * testsuite/initpri1.c (d3): Check j != 4.
12247         (cd5): New constructor/destructor function.
12248         (main): Check j != 2.
12249
12250         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12251         new symbol when resolving, don't call set_is_default.
12252         * testsuite/ver_test_7.cc: New file.
12253         * testsuite/ver_test_7.sh: New file.
12254         * testsuite/Makefile.am (ver_test_7.so): New target.
12255         (ver_test_7.o): New target.
12256         (check_SCRIPTS): Add ver_test_7.sh.
12257         (check_DATA): Add ver_test_7.syms.
12258         (ver_test_7.syms): New target.
12259
12260 2008-03-28  Ian Lance Taylor  <iant@google.com>
12261
12262         * layout.cc (Layout::layout): If we see an input section with a
12263         name that needs sorting, set the must_sort flag for the output
12264         section.
12265         (Layout::make_output_section): If the name of the output section
12266         indicates that it might require sorting, set the may_sort flag.
12267         * output.h (Output_section::may_sort_attached_input_sections): New
12268         function.
12269         (Output_section::set_may_sort_attached_input_sections): New
12270         function.
12271         (Output_section::must_sort_attached_input_sections): New
12272         function.
12273         (Output_section::set_must_sort_attached_input_sections): New
12274         function.
12275         (class Output_section): Declare Input_section_sort_entry.  Define
12276         Input_section_sort_compare.  Declare
12277         sort_attached_input_sections.  Add new fields:
12278         may_sort_attached_input_sections_,
12279         must_sort_attached_input_sections_,
12280         attached_input_sections_are_sorted_.
12281         * output.cc (Output_section::Output_section): Initialize new
12282         fields.
12283         (Output_section::add_input_section): Add an entry to
12284         input_sections_ if may_sort or must_sort are true.
12285         (Output_section::set_final_data_size): Call
12286         sort_attached_input_sections if necessary.
12287         (Output_section::Input_section_sort_entry): Define new class.
12288         (Output_section::Input_section_sort_compare::operator()): New
12289         function.
12290         (Output_section::sort_attached_input_sections): New function.
12291         * configure.ac: Check whether the compiler supports constructor
12292         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12293         * testsuite/initpri1.c: New file.
12294         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12295         CONSTRUCTOR_PRIORITY.
12296         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12297         (initpri1_LDFLAGS): New variable.
12298         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12299
12300 2008-03-27  Ian Lance Taylor  <iant@google.com>
12301
12302         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12303         * testsuite/common_test_1.c: New file.
12304         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12305         (common_test_1_SOURCES): New variable.
12306         (common_test_1_DEPENDENCIES): New variable.
12307         (common_test_1_LDFLAGS): New variable.
12308
12309         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12310         and commons_ correctly when NAME/VERSION does not override
12311         NAME/NULL.
12312         * testsuite/ver_test_6.c: New file.
12313         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12314         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12315         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12316
12317 2008-03-26  Ian Lance Taylor  <iant@google.com>
12318
12319         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12320         of an undefined symbol from a version script.
12321         * testsuite/Makefile.am (ver_test_5.so): New target.
12322         (ver_test_5.o): New target.
12323         (check_SCRIPTS): Add ver_test_5.sh.
12324         (check_DATA): Add ver_test_5.syms.
12325         (ver_test_5.syms): New target.
12326         * testsuite/ver_test_5.cc: New file.
12327         * testsuite/ver_test_5.script: New file.
12328         * testsuite/ver_test_5.sh: New file.
12329         * Makefile.in, testsuite/Makefile.in: Rebuild.
12330
12331         PR gold/5986
12332         Fix problems building gold with gcc 4.3.0.
12333         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12334         (gold_error_at_location, gold_warning_at_location): Use it.
12335         * configure.ac: Check whether we can compile and use a template
12336         function with a printf attribute.
12337         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12338         when jumping over bytes.
12339         * object.cc: Instantiate Object::read_section_data.
12340         * debug.h: Include <cstring>
12341         * dwarf_reader.cc: Include <algorithm>
12342         * main.cc: Include <cstring>.
12343         * options.cc: Include <cstring>.
12344         * output.cc: Include <cstring>.
12345         * script.cc: Include <cstring>.
12346         * script.h: Include <string>.
12347         * symtab.cc: Include <cstring> and <algorithm>.
12348         * target-select.cc: Include <cstring>.
12349         * version.cc: Include <string>.
12350         * testsuite/testmain.cc: Include <cstdlib>.
12351         * configure, config.in: Rebuild.
12352
12353 2008-03-25  Ian Lance Taylor  <iant@google.com>
12354
12355         * options.cc: Include "../bfd/bfdver.h".
12356         (options::help): Print bug reporting address.
12357
12358         * version.cc (print_version): Adjust output for current value of
12359         BFD_VERSION_STRING.
12360
12361         * NEWS: New file.
12362
12363         * options.cc (options::help): Print list of supported targets.
12364         * target-select.h: Include <vector>.
12365         (class Target_selector): Make machine_, size_, and is_big_endian_
12366         fields const.  Add bfd_name_ and instantiated_target_ fields.
12367         (Target_selector::Target_selector): Add bfd_name parameter.
12368         (Target_selector::recognize): Make non-virtual, call
12369         do_recognize.
12370         (Target_selector::recognize_by_name): Make non-virtual, call
12371         do_recognize_by_name.
12372         (Target_selector::supported_names): New function.
12373         (Target_selector::bfd_name): New function.
12374         (Target_selector::do_instantiate_target): New pure virtual
12375         function.
12376         (Target_selector::do_recognize): New virtual function.
12377         (Target_selector::do_recognize_by_name): New virtual function.
12378         (Target_selector::instantiate_target): New private function.
12379         (supported_target_names): Declare.
12380         * target-select.cc (Target_selector::Target_selector): Update for
12381         new parameter and fields.
12382         (select_target_by_name): Check that the name matches before
12383         calling recognize_by_name.
12384         (supported_target_names): New function.
12385         * i386.cc (class Target_selector_i386): Update Target_selector
12386         constructor call.  Remove recognize and recognize_by_name.  Add
12387         do_instantiate_target.
12388         * x86_64.cc (class Target_selector_x86_64): Likewise.
12389         * testsuite/testfile.cc (class Target_selector_test): Update for
12390         changes to Target_selector.
12391
12392         * README: Rewrite, with some notes on unsupported features.
12393
12394 2008-03-24  Cary Coutant  <ccoutant@google.com>
12395
12396         * i386.cc (Target_i386::Got_type): New enum declaration.
12397         (Target_i386::Scan::local): Updated callers of Output_data_got
12398         member functions.
12399         (Target_i386::Scan::global): Likewise.
12400         (Target_i386::Relocate::relocate): Likewise.
12401         (Target_i386::Relocate::relocate_tls): Likewise.
12402         * object.h (Got_offset_list): New class.
12403         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12404         (Sized_relobj::local_got_offset): Likewise.
12405         (Sized_relobj::set_local_got_offset): Likewise.
12406         (Sized_relobj::local_has_tls_got_offset): Removed.
12407         (Sized_relobj::local_tls_got_offset): Removed.
12408         (Sized_relobj::set_local_tls_got_offset): Removed.
12409         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12410         * output.cc (Output_data_got::add_global): Added got_type parameter.
12411         (Output_data_got::add_global_with_rel): Likewise.
12412         (Output_data_got::add_global_with_rela): Likewise.
12413         (Output_data_got::add_global_pair_with_rel): New function.
12414         (Output_data_got::add_global_pair_with_rela): New function.
12415         (Output_data_got::add_local): Added got_type parameter.
12416         (Output_data_got::add_local_with_rel): Likewise.
12417         (Output_data_got::add_local_with_rela): Likewise.
12418         (Output_data_got::add_local_pair_with_rel): New function.
12419         (Output_data_got::add_local_pair_with_rela): New function.
12420         (Output_data_got::add_global_tls): Removed.
12421         (Output_data_got::add_global_tls_with_rel): Removed.
12422         (Output_data_got::add_global_tls_with_rela): Removed.
12423         (Output_data_got::add_local_tls): Removed.
12424         (Output_data_got::add_local_tls_with_rel): Removed.
12425         (Output_data_got::add_local_tls_with_rela): Removed.
12426         * output.h (Output_data_got::add_global): Added got_type parameter.
12427         (Output_data_got::add_global_with_rel): Likewise.
12428         (Output_data_got::add_global_with_rela): Likewise.
12429         (Output_data_got::add_global_pair_with_rel): New function.
12430         (Output_data_got::add_global_pair_with_rela): New function.
12431         (Output_data_got::add_local): Added got_type parameter.
12432         (Output_data_got::add_local_with_rel): Likewise.
12433         (Output_data_got::add_local_with_rela): Likewise.
12434         (Output_data_got::add_local_pair_with_rel): New function.
12435         (Output_data_got::add_local_pair_with_rela): New function.
12436         (Output_data_got::add_global_tls): Removed.
12437         (Output_data_got::add_global_tls_with_rel): Removed.
12438         (Output_data_got::add_global_tls_with_rela): Removed.
12439         (Output_data_got::add_local_tls): Removed.
12440         (Output_data_got::add_local_tls_with_rel): Removed.
12441         (Output_data_got::add_local_tls_with_rela): Removed.
12442         * resolve.cc (Symbol::override_base_with_special): Removed
12443         reference to has_got_offset_ field.
12444         * symtab.cc (Symbol::init_fields): Replaced initialization
12445         of got_offset_ with got_offsets_.  Removed initialization
12446         of has_got_offset_
12447         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12448         (Symbol::got_offset): Likewise.
12449         (Symbol::set_got_offset): Likewise.
12450         (Symbol::has_tls_got_offset): Removed.
12451         (Symbol::tls_got_offset): Removed.
12452         (Symbol::set_tls_got_offset): Removed.
12453         (Symbol::got_offset_): Removed.
12454         (Symbol::tls_mod_got_offset_): Removed.
12455         (Symbol::tls_pair_got_offset_): Removed.
12456         (Symbol::got_offsets_): New field.
12457         (Symbol::has_got_offset): Removed.
12458         (Symbol::has_tls_mod_got_offset): Removed.
12459         (Symbol::has_tls_pair_got_offset): Removed.
12460         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12461         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12462         member functions.
12463         (Target_x86_64::Scan::global): Likewise.
12464         (Target_x86_64::Relocate::relocate): Likewise.
12465         (Target_x86_64::Relocate::relocate_tls): Likewise.
12466
12467 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12468
12469         * yyscript.y: Fix spelling error in comment.
12470
12471 2008-03-24  Ian Lance Taylor  <iant@google.com>
12472
12473         * options.h (class General_options): Define build_id option.
12474         * layout.h (class Layout): Declare write_build_id, create_note,
12475         create_build_id.  Add build_id_note_ member.
12476         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12477         "libiberty.h", "md5.h", "sha1.h".
12478         (Layout::Layout): Initialize eh_frame_data_,
12479         eh_frame_hdr_section_, and build_id_note_.
12480         (Layout::finalize): Call create_build_id.
12481         (Layout::create_note): New function, broken out of
12482         Layout::create_gold_note.
12483         (Layout::create_gold_note): Call create_note.
12484         (Layout::create_build_id): New function.
12485         (Layout::write_build_id): New function.
12486         (Close_task_runner::run): Call write_build_id.
12487
12488         * x86_64.cc: Correct license to GPLv3.
12489
12490 2008-03-23  Ian Lance Taylor  <iant@google.com>
12491
12492         * options.cc: Include "demangle.h".
12493         (parse_optional_string): New function.
12494         (parse_long_option): Handle takes_optional_argument.
12495         (parse_short_option): Update dash_z initializer.  Handle
12496         takes_optional_argument.
12497         (General_options::General_options): Initialize do_demangle_.
12498         (General_options::finalize): Set do_demangle_.  Handle demangling
12499         style.
12500         * options.h (parse_optional_string): Declare.
12501         (struct One_option): Add optional_arg field.  Update constructor.
12502         Update call constructor calls.  Add takes_optional_argument
12503         function.
12504         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12505         (DEFINE_optional_string): Define.
12506         (General_options::demangle): Change from DEFINE_bool to
12507         DEFINE_optional_string.
12508         (General_options::no_demangle): New function.
12509         (General_options::do_demangle): New function.
12510         (General_options::set_do_demangle): New function.
12511         (General_options::execstack_status_): Move definition to end of
12512         class definition.
12513         (General_options::static_): Likewise.
12514         (General_options::do_demangle_): New field.
12515         * object.cc (big_endian>::get_symbol_location_info): Call
12516         Options::do_demangle, not Options::demangle.
12517         * symtab.cc (demangle): Likewise.
12518
12519 2008-03-22  Ian Lance Taylor  <iant@google.com>
12520
12521         * gold.h: Include <cstddef> and <sys/types.h>
12522         * options.h: Include <cstring>.
12523
12524 2008-03-21  Ian Lance Taylor  <iant@google.com>
12525
12526         * Added source code to GNU binutils.