gold/ChangeLog

   1 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
   2
   3         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
   4         (Relocate::tls_gd_to_le): Likewise.
   5
   6 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
   7
   8         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
   9
  10 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
  11
  12         * configure.ac: Check if -mcmodel=medium works.
  13         * configure: Regenerated.
  14
  15 2012-01-24  Cary Coutant  <ccoutant@google.com>
  16
  17         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
  18         definition and ...
  19         (read_unsigned_LEB_128_x): ... this new function.
  20         (read_signed_LEB_128): Replaced with inline definition and ...
  21         (read_signed_LEB_128_x): ... this new function.
  22         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
  23         (read_unsigned_LEB_128): Add inline definition.
  24         (read_signed_LEB_128_x): New function.
  25         (read_signed_LEB_128): Add inline definition.
  26         * testsuite/Makefile.am (leb128_unittest): New unit test.
  27         * testsuite/Makefile.in: Regenerate.
  28         * testsuite/leb128_unittest.cc: New unit test.
  29
  30 2012-01-23  Ian Lance Taylor  <iant@google.com>
  31
  32         PR gold/13617
  33         * i386.cc (Target_i386::do_code_fill): When using a jmp
  34         instruction, pad with nop instructions.
  35         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
  36
  37 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
  38
  39         * x86_64.cc (gc_process_relocs): Add typename on types used in
  40         template.
  41         (scan_relocs): Likewise.
  42         (relocate_section): Likewise.
  43         (apply_relocation): Likewise.
  44
  45 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
  46
  47         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
  48         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
  49         under x32.
  50
  51 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
  52
  53         * x86_64.cc: Initial support for x32.
  54
  55 2012-01-03  Cary Coutant  <ccoutant@google.com>
  56
  57         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
  58         Use abstract base class for GOT.
  59         * gold/output.h (class Output_data_got_base): New abstract base class.
  60         (class Output_data_got): Derive from new base class, adjust ctors.
  61         (Output_data_got::reserve_slot): Make virtual; rename to
  62         do_reserve_slot; Adjust callers.
  63         * gold/target.h (Sized_target::init_got_plt_for_update): Return
  64         pointer to abstract base class.
  65         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
  66
  67 2011-12-18  Ian Lance Taylor  <iant@google.com>
  68
  69         * object.h (Relobj::local_symbol_value): New function.
  70         (Relobj::local_plt_offset): New function.
  71         (Relobj::local_has_got_offset): New function.
  72         (Relobj::local_got_offset): New function.
  73         (Relobj::set_local_got_offset): New function.
  74         (Relobj::do_local_symbol_value): New pure virtual function.
  75         (Relobj::do_local_plt_offset): Likewise.
  76         (Relobj::do_local_has_got_offset): Likewise.
  77         (Relobj::do_local_got_offset): Likewise.
  78         (Relobj::do_set_local_got_offset): Likewise.
  79         (Sized_relobj::do_local_has_got_offset): Rename from
  80         local_has_got_offset.
  81         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
  82         (Sized_relobj::do_set_local_got_offset): Rename from
  83         set_local_got_offset.
  84         (Sized_relobj_file::do_local_plt_offset): Rename from
  85         local_plt_offset.
  86         (Sized_relobj_file::do_local_symbol_value): New function.
  87         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
  88         local_plt_offset.
  89         * output.cc (Output_data_got::Got_entry::write): Change object to
  90         Relobj.  Use local_symbol_value.
  91         (Output_data_got::add_global_with_rel): Change rel_dyn to
  92         Output_data_reloc_generic*.  Use add_global_generic.
  93         (Output_data_got::add_global_with_rela): Remove.  Change all
  94         callers to use add_global_with_rel.
  95         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
  96         Output_data_reloc_generic*.  Use add_global_generic.
  97         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
  98         callers to use add_global_pair_with_rel.
  99         (Output_data_got::add_local): Change object to Relobj*.
 100         (Output_data_got::add_local_plt): Likewise.
 101         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 102         change rel_dyn to Output_data_reloc_generic*.  Use
 103         add_local_generic.
 104         (Output_data_got::add_local_with_rela): Remove.  Change all
 105         callers to use all_local_with_rel.
 106         (Output_data_got::add_local_pair_with_rel): Change object to
 107         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 108         add_output_section_generic.
 109         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 110         callers to use add_local_pair_with_rel.
 111         (Output_data_got::reserve_local): Change object to Relobj*.
 112         * output.h: (class Output_data_reloc_generic): Add pure virtual
 113         declarations for add_global_generic, add_local_generic,
 114         add_output_section_generic.
 115         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 116         functions for Output_data_reloc_generic.  Update declarations for
 117         changes listed in output.cc.
 118         (class Output_data_got): Change template parameter to got_size.
 119         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 120         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 121         function.
 122         (Sized_relobj_incr::do_local_plt_offset): New function.
 123         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 124         add_global_generic.
 125
 126 2011-12-17  Cary Coutant  <ccoutant@google.com>
 127
 128         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 129         * resolve.cc (Symbol_table::resolve): Likewise.
 130         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 131         arrays.
 132         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 133
 134 2011-12-16  Ian Lance Taylor  <iant@google.com>
 135
 136         * output.h (Output_data_reloc_generic::add): Only call
 137         add_dynamic_reloc if this is a dynamic reloc section.
 138
 139 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 140
 141         PR gold/13505
 142         * target-reloc.h (apply_relocation): Replace <64, false> with
 143         <size, big_endian>.
 144
 145 2011-11-25  Nick Clifton  <nickc@redhat.com>
 146
 147         * po/it.po: New Italian translation.
 148
 149 2011-11-17  Sterling Augustine  <saugustine@google.com>
 150
 151         * script.cc (script_include_directive): Implement.
 152         (read_script_file): New local variables name and search_path. Update
 153         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 154         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 155         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 156
 157 2011-11-11  Sterling Augustine  <saugustine@google.com>
 158
 159         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 160         (file_or_sections_cmd): Likewise.
 161
 162 2011-11-11  Doug Kwan  <dougkwan@google.com>
 163
 164         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 165         if --just-symbols is given.
 166
 167 2011-11-10  Doug Kwan  <dougkwan@google.com>
 168
 169         PR gold/13362
 170         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 171         when processing data relocs.
 172         * reloc.h (Relocate_functions::rel_unaligned): New method.
 173         (Relocate_functions::pcrel_unaligned): Ditto.
 174         (Relocate_functions::rel32_unaligned): Ditto.
 175         (Relocate_functions::pcrel32_unaligned): Ditto.
 176
 177 2011-11-09  Doug Kwan  <dougkwan@google.com>
 178
 179         PR gold/13362
 180         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 181         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 182         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 183         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 184         (Relocate_functions::rel_unaligned): New.
 185         (Relocate_functions::rel32_unaligned): New.
 186         * target-reloc.h (relocate_for_relocatable): Add code to handle
 187         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 188         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 189         arm_unaligned_reloc_r): New targets.
 190         * testsuite/Makefile.in: Regenerate.
 191         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 192         linking.
 193
 194 2011-11-02  Ian Lance Taylor  <iant@google.com>
 195
 196         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 197         NATIVE_LINKER.
 198         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 199         * options.cc (General_options::finalize): Use library search path
 200         from configure script if specified.  If not native and no sysroot,
 201         only search TOOLLIBDIR.
 202         * options.h (Search_directory::Search_directory): Change name to
 203         const std::string&.
 204         (General_options::add_to_library_path_with_sysroot): Change arg to
 205         const std::string&.
 206         * configure, Makefile.in, config.in: Rebuild.
 207
 208 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 209
 210         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 211         we are working around the ARM1176 Erratum.
 212         * options.h (General_options::fix_arm1176): Add option.
 213         * testsuite/Makefile.am: Add testcases, and keep current ones
 214         working.
 215         * testsuite/Makefile.in: Regenerate.
 216         * testsuite/arm_fix_1176.s: New file.
 217         * testsuite/arm_fix_1176.sh: Likewise.
 218
 219 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 220
 221         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 222         may_use_blx_.
 223         (Target_arm::may_use_blx): Remove method.
 224         (Target_arm::set_may_use_blx): Likewise.
 225         (Target_arm::may_use_v4t_interworking): New method.
 226         (Target_arm::may_use_v5t_interworking): Likewise.
 227         (Target_arm::may_use_blx_): Remove member variable.
 228         (Arm_relocate_functions::arm_branch_common): Check for v5T
 229         interworking.
 230         (Arm_relocate_functions::thumb_branch_common): Likewise.
 231         (Reloc_stub::stub_type_for_reloc): Likewise.
 232         (Target_arm::do_finalize_sections): Correct interworking checks.
 233         * testsuite/Makefile.am: Add new tests.
 234         * testsuite/Makefile.in: Regenerate.
 235         * testsuite/arm_farcall_arm_arm.s: New test.
 236         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 237         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 238         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 239         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 240         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 241         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 242         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 243
 244 2011-10-31  Cary Coutant  <ccoutant@google.com>
 245
 246         PR gold/13023
 247         * expression.cc (Expression::eval_with_dot): Add
 248         is_section_dot_assignment parameter.
 249         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 250         absolute and assigning to dot within a section.
 251         * script-sections.cc
 252         (Output_section_element_assignment::set_section_addresses): Pass
 253         dot_section to set_if_absolute.
 254         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 255         as is_section_dot_assignment flag to eval_with_dot.
 256         (Output_section_element_dot_assignment::set_section_addresses):
 257         Likewise.
 258         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 259         parameter.  Also set value if relative to dot_section; set the
 260         symbol's output_section.
 261         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 262         parameter.  Adjust all callers.
 263         (Expression::eval_maybe_dot): Likewise.
 264         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 265         Adjust all callers.
 266         * testsuite/script_test_2.t: Test assignment of an absolute value
 267         to dot within an output section element.
 268
 269 2011-10-31  Cary Coutant  <ccoutant@google.com>
 270
 271         * options.h (class General_options): Add --[no-]gnu-unique options.
 272         * symtab.cc (Symbol_table::sized_write_globals): Convert
 273         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 274
 275 2011-10-31  Cary Coutant  <ccoutant@google.com>
 276
 277         PR gold/13359
 278         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 279         unnecessary assertion.
 280         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 281
 282 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 283
 284         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 285         gc_mark_symbol.
 286         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 287         gc_mark_symbol.
 288         Change to just keep the section associated with symbol.
 289         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 290         they are externally visible and --export-dynamic is turned on.
 291         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 292
 293 2011-10-19  Ian Lance Taylor  <iant@google.com>
 294
 295         PR gold/13163
 296         * script-sections.cc
 297         (Output_section_element_dot_assignment::needs_output_section): New
 298         function.
 299
 300 2011-10-19  Ian Lance Taylor  <iant@google.com>
 301
 302         PR gold/13204
 303         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 304         --section-start option was seen.
 305         * options.h (General_options::any_section_start): New function.
 306
 307 2011-10-18  David S. Miller  <davem@davemloft.net>
 308
 309         PR binutils/13301
 310         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 311         member to track relocation locations that have moved during TLS
 312         reloc optimizations.
 313         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 314         (Target_sparc::Relocate::relocate): Adjust view down by 4
 315         bytes if it matches reloc_adjust_addr_.
 316         (Target_sparc::Relocate::relocate_tls): Always move the
 317         __tls_get_addr call delay slot instruction forward 4 bytes when
 318         performing relaxation.
 319
 320 2011-10-18  Cary Coutant  <ccoutant@google.com>
 321
 322         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 323         (Output_file::map_no_anonymous): Check for non-zero
 324         return code from posix_fallocate.
 325
 326 2011-10-17  Cary Coutant  <ccoutant@google.com>
 327
 328         PR gold/13245
 329         * plugin.cc (is_visible_from_outside): Check for symbols
 330         referenced from dynamic objects.
 331         * resolve.cc (Symbol_table::resolve): Don't count references
 332         from dynamic objects as references from real ELF files.
 333         * testsuite/plugin_test_2.sh: Adjust expected result.
 334
 335 2011-10-17  Cary Coutant  <ccoutant@google.com>
 336
 337         * gold.cc: Include timer.h.
 338         (queue_middle_tasks): Stamp time.
 339         (queue_final_tasks): Likewise.
 340         * main.cc (main): Store timer in parameters.  Print timers
 341         for each pass.
 342         * parameters.cc (Parameters::Parameters): Initialize timer_.
 343         (Parameters::set_timer): New function.
 344         (set_parameters_timer): New function.
 345         * parameters.h (Parameters::set_timer): New function.
 346         (Parameters::timer): New function.
 347         (Parameters::timer_): New data member.
 348         (set_parameters_timer): New function.
 349         * timer.cc (Timer::stamp): New function.
 350         (Timer::get_pass_time): New function.
 351         * timer.h (Timer::stamp): New function.
 352         (Timer::get_pass_time): New function.
 353         (Timer::pass_times_): New data member.
 354
 355 2011-10-17  Cary Coutant  <ccoutant@google.com>
 356
 357         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 358         task for members of lib groups.
 359
 360 2011-10-17  Cary Coutant  <ccoutant@google.com>
 361
 362         PR gold/13288
 363         * fileread.cc (File_read::find_view): Add assert.
 364         (File_read::make_view): Move bounds check (replace with assert)...
 365         (File_read::find_or_make_view): ... to here.
 366
 367 2011-10-12  Cary Coutant  <ccoutant@google.com>
 368
 369         * output.cc (Output_file::open_base_file): Handle case where
 370         ::read returns less than requested size.
 371
 372 2011-10-10  Cary Coutant  <ccoutant@google.com>
 373
 374         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 375         Initialize defined_count_.
 376         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 377         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 378         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 379         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 380         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 381         * incremental.h (Sized_relobj_incr::defined_count_): New data
 382         member.
 383         (Sized_incr_dynobj::defined_count_): New data member.
 384         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 385         Return zeroes instead of internal error.
 386
 387 2011-10-10  Cary Coutant  <ccoutant@google.com>
 388
 389         PR gold/13249
 390         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 391         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 392         * output.h (class Output_reloc): Add use_plt_offset flag.
 393         (Output_reloc::type_): Adjust size of bit field.
 394         (Output_reloc::use_plt_offset_): New bit field.
 395         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 396         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 397         flag.  Adjust all callers.
 398         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 399         creating RELATIVE relocations.
 400
 401 2011-10-10  Nick Clifton  <nickc@redhat.com>
 402
 403         * po/es.po: Updated Spanish translation.
 404         * po/fi.po: Updated Finnish translation.
 405
 406 2011-10-03   Diego Novillo  <dnovillo@google.com>
 407
 408         * options.cc (parse_uint): Fix dereference of RETVAL.
 409
 410 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 411
 412         * layout.h (section_order_map_): New member.
 413         (get_section_order_map): New member function.
 414         * output.cc (Output_section::add_input_section): Check for patterns
 415         only when --section-ordering-file is specified.
 416         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 417         output_sections have been formed.
 418         * layout.cc (Layout_Layout): Initialize section_order_map_.
 419         * plugin.cc (update_section_order): Store order in order_map. Do not
 420         update the order.
 421         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 422         * testsuite/Makefile.in: Regenerate.
 423         * testsuite/plugin_section_order.c: New file.
 424         * testsuite/plugin_final_layout.cc: New file.
 425         * testsuite/plugin_final_layout.sh: New file.
 426
 427 2011-09-29  Cary Coutant  <ccoutant@google.com>
 428
 429         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 430         Check for NULL.
 431         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 432         symbols during incremental update.
 433         (Symbol_table::add_from_dynobj): Likewise.
 434
 435 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 436             Ian Lance Taylor  <iant@google.com>
 437
 438         * symtab.cc (Symbol_table::define_special_symbol): Always
 439         canonicalize version string.
 440
 441 2011-09-26  Cary Coutant  <ccoutant@google.com>
 442
 443         * gold.cc (queue_initial_tasks): Move option checks ...
 444         * options.cc (General_options::finalize): ... to here. Disable
 445         some options; make others fatal.
 446
 447 2011-09-26  Cary Coutant  <ccoutant@google.com>
 448
 449         gcc PR lto/47247
 450         * plugin.cc (get_symbols_v2): New function.
 451         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 452         (is_referenced_from_outside): New function.
 453         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 454         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 455         (get_symbols): Pass version parameter.
 456         (get_symbols_v2): New function.
 457         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 458         parameter.
 459         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 460         (onload): Add LDPT_GET_SYMBOLS_V2.
 461         (all_symbols_read_hook): Use get_symbols_v2; check for
 462         LDPR_PREVAILING_DEF_IRONLY_EXP.
 463         * testsuite/plugin_test_3.sh: Update expected results.
 464
 465 2011-09-23  Simon Baldwin  <simonb@google.com>
 466
 467         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 468         configuration options.
 469         * configure: Regenerate.
 470         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 471         * Makefile.in: Regenerate.
 472         * testsuite/Makefile.in: Regenerate.
 473
 474 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 475
 476         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 477
 478 2011-09-19  Cary Coutant  <ccoutant@google.com>
 479
 480         * incremental.cc (can_incremental_update): Fix typo in comment.
 481         * incremental.h (can_incremental_update): Likewise.
 482
 483 2011-09-18  Cary Coutant  <ccoutant@google.com>
 484
 485         * incremental.cc (can_incremental_update): New function.
 486         * incremental.h (can_incremental_update): New function.
 487         * layout.cc (Layout::init_fixed_output_section): Call it.
 488         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 489         * object.cc (Sized_relobj_file::do_layout): Call
 490         can_incremental_update.
 491
 492 2011-09-13  Cary Coutant  <ccoutant@google.com>
 493
 494         * configure.ac: Check for glibc support for gnu_indirect_function
 495         support with static linking, setting automake conditional
 496         IFUNC_STATIC.
 497         * Makefile.in: Regenerate.
 498         * configure: Regenerate.
 499
 500         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 501         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 502         for IFUNC_STATIC.
 503         * testsuite/Makefile.in: Regenerate.
 504
 505 2011-09-13  Cary Coutant  <ccoutant@google.com>
 506
 507         * incremental.cc (Sized_relobj_incr::do_layout): Call
 508         report_comdat_group for kept comdat sections.
 509         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 510         * testsuite/Makefile.in: Regenerate.
 511         * testsuite/incr_comdat_test_1.cc: New source file.
 512         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 513         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 514         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 515
 516 2011-09-13  Ian Lance Taylor  <iant@google.com>
 517
 518         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 519         variable external_symbols_offset.
 520
 521 2011-09-12  Ian Lance Taylor  <iant@google.com>
 522
 523         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 524         triggered if object has no symbols.
 525
 526 2011-09-09  David S. Miller  <davem@davemloft.net>
 527
 528         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 529         (Output_fill_debug_line::do_write): Likewise.
 530
 531 2011-08-29  Cary Coutant  <ccoutant@google.com>
 532
 533         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 534         casts to match formatting specs.
 535         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 536
 537 2011-08-26  Cary Coutant  <ccoutant@google.com>
 538
 539         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 540         remaining hole size when allocating.
 541         (Layout::make_output_section): Set fill methods for debug sections.
 542         * layout.h (Free_list::Free_list_node): Move from private to
 543         public.
 544         (Free_list::set_min_hole_size): New function.
 545         (Free_list::begin, Free_list::end): New functions.
 546         (Free_list::min_hole_): New data member.
 547         * output.cc: Include dwarf.h.
 548         (Output_fill_debug_info::do_minimum_hole_size): New function.
 549         (Output_fill_debug_info::do_write): New function.
 550         (Output_fill_debug_line::do_minimum_hole_size): New function.
 551         (Output_fill_debug_line::do_write): New function.
 552         (Output_section::Output_section): Initialize new data member.
 553         (Output_section::set_final_data_size): Ensure patch space is larger
 554         than minimum hole size.
 555         (Output_section::do_write): Fill holes in debug sections.
 556         * output.h (Output_fill): New class.
 557         (Output_fill_debug_info): New class.
 558         (Output_fill_debug_line): New class.
 559         (Output_section::set_free_space_fill): New function.
 560         (Output_section::free_space_fill_): New data member.
 561         * testsuite/Makefile.am (incremental_test_3): Add
 562         --incremental-patch option.
 563         (incremental_test_4): Likewise.
 564         (incremental_test_5): Likewise.
 565         (incremental_test_6): Likewise.
 566         (incremental_copy_test): Likewise.
 567         (incremental_common_test_1): Likewise.
 568         * testsuite/Makefile.in: Regenerate.
 569
 570 2011-08-26  Nick Clifton  <nickc@redhat.com>
 571
 572         * po/es.po: Updated Spanish translation.
 573
 574 2011-08-01  Cary Coutant  <ccoutant@google.com>
 575
 576         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 577         * gold/testsuite/Makefile.in: Regenerate.
 578         * gold/testsuite/justsyms_exec.c: New source file.
 579         * gold/testsuite/justsyms_lib.c: New source file.
 580
 581 2011-08-01  Cary Coutant  <ccoutant@google.com>
 582
 583         * layout.cc (Layout::set_segment_offsets): Don't realign text
 584         segment if -Ttext was specified.
 585         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 586         file type.
 587         * object.h (Sized_relobj_file::e_type): New function.
 588         (Sized_relobj_file::e_type_): New data member.
 589         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 590         base address for ET_EXEC files.
 591         * target.cc (Target::do_make_elf_object_implementation): Allow
 592         ET_EXEC files with --just-symbols option.
 593
 594 2011-07-28  Cary Coutant  <ccoutant@google.com>
 595
 596         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 597         Add thread_number parameter.
 598         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 599         * workqueue-threads.cc
 600         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 601         current thread if its thread number is greater than desired thread
 602         count.
 603         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 604         Add thread_number parameter.
 605         (Workqueue::should_cancel_thread): Likewise.
 606         (Workqueue::find_runnable_or_wait): Pass thread_number to
 607         should_cancel_thread.
 608         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 609         parameter.
 610
 611 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 612
 613         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 614         only after checking if it cannot be forced local.
 615         * symtab.h (is_externally_visible): Check if the symbol is not forced
 616         local.
 617
 618 2011-07-15  Ian Lance Taylor  <iant@google.com>
 619
 620         * options.h (class General_options): Add --print-output-format.
 621         Move -EL next to -EB, for  better --help output.
 622         * target-select.cc: Include <cstdio>, "options.h", and
 623         "parameters.h".
 624         (Target_selector::do_target_bfd_name): New function.
 625         (print_output_format): New function.
 626         * target-select.h (class Target_selector): Update declarations.
 627         (Target_selector::target_bfd_name): New function.
 628         (print_output_format): Declare.
 629         * main.cc: Include "target-select.h".
 630         (main): Handle --print-output-format.
 631         * gold.cc: Include "target-select.h".
 632         (queue_initial_tasks): Handle --print-output-format when there are
 633         no input files.
 634         * parameters.cc (parameters_force_valid_target): Give a better
 635         error message if -EB/-EL does not match target.
 636         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 637         function.
 638
 639 2011-07-15  Ian Lance Taylor  <iant@google.com>
 640
 641         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 642         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 643         (Output_data_plt_i386::do_write): Write address of .dynamic
 644         section to first entry in .got.plt section.
 645         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 646         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 647         Initialize layout_.
 648         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 649         section to first entry in .got.plt section.
 650         * layout.h (Layout::dynamic_section): New function.
 651
 652 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 653
 654         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 655         to claim_file call.
 656         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 657         input_section_position_, and input_section_glob_.
 658         (read_layout_from_file): Call function section_ordering_specified.
 659         * layout.h (is_section_ordering_specified): New function.
 660         (section_ordering_specified): New function.
 661         (section_ordering_specified_): New boolean member.
 662         * main.cc(main): Call load_plugins after layout object is defined.
 663         * output.cc (Output_section::add_input_section): Use
 664         function section_ordering_specified to check if section ordering is
 665         needed.
 666         * output.cc (Output_section::add_relaxed_input_section): Use
 667         function section_ordering_specified to check if section ordering is
 668         needed.
 669         (Output_section::update_section_layout): New function.
 670         (Output_section::sort_attached_input_sections): Check if input section
 671         must be reordered.
 672         * output.h (Output_section::update_section_layout): New function.
 673         * plugin.cc (get_section_count): New function.
 674         (get_section_type): New function.
 675         (get_section_name): New function.
 676         (get_section_contents): New function.
 677         (update_section_order): New function.
 678         (allow_section_ordering): New function.
 679         (Plugin::load): Add the new interfaces to the transfer vector.
 680         (Plugin_manager::load_plugins): New parameter.
 681         (Plugin_manager::all_symbols_read): New parameter.
 682         (Plugin_manager::claim_file): New parameter. Save the elf object for
 683         unclaimed objects.
 684         (Plugin_manager::get_elf_object): New function.
 685         (Plugin_manager::get_view): Change to directly use the bool to check
 686         if get_view is called from claim_file_hook.
 687         * plugin.h (input_objects): New function
 688         (Plugin__manager::load_plugins): New parameter.
 689         (Plugin_manager::claim_file): New parameter.
 690         (Plugin_manager::get_elf_object): New function.
 691         (Plugin_manager::in_claim_file_handler): New function.
 692         (Plugin_manager::in_claim_file_handler_): New member.
 693         (layout): New function.
 694         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 695         handler with an extra parameter. Make the elf object before calling
 696         claim_file handler.
 697         * testsuite/plugin_test.c (get_section_count): New function pointer.
 698         (get_section_type): New function pointer.
 699         (get_section_name): New function pointer.
 700         (get_section_contents): New function pointer.
 701         (update_section_order): New function pointer.
 702         (allow_section_ordering): New function pointer.
 703         (onload): Check if the new interfaces exist.
 704
 705 2011-07-13  Ian Lance Taylor  <iant@google.com>
 706
 707         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 708         relro section.
 709         * x86_64.cc (Target_x86_64::got_section): Likewise.
 710         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 711         (relro_now_test_SOURCES): New variable.
 712         (relro_now_test_DEPENDENCIES): New variable.
 713         (relro_now_test_LDFLAGS): New variable.
 714         (relro_now_test_LDADD): New variable.
 715         (relro_now_test.so): New target.
 716         * testsuite/Makefile.in: Rebuild.
 717
 718 2011-07-12  Ian Lance Taylor  <iant@google.com>
 719
 720         PR gold/12980
 721         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 722         GLOB_DAT relocation rather than a RELATIVE relocation for a
 723         protected symbol when creating a shared library.
 724         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 725         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 726         * testsuite/protected_main_1.cc (main): Test that protected
 727         function has same address.
 728
 729 2011-07-11  Ian Lance Taylor  <iant@google.com>
 730
 731         PR gold/12979
 732         * options.h (class General_options): Add -Bgroup.
 733         * options.cc (General_options::finalize): If -Bgroup is set,
 734         default to --unresolved-symbols=report-all.
 735         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 736         * target-reloc.h (issue_undefined_symbol_error): Handle
 737         --unresolved-symbols=report-all.
 738
 739 2011-07-08  Ian Lance Taylor  <iant@google.com>
 740
 741         PR gold/11985
 742         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 743         if linker script discards key sections.
 744         (Layout::create_dynamic_symtab): Likewise.
 745         (Layout::assign_local_dynsym_offsets): Likewise.
 746         (Layout::sized_create_version_sections): Likewise.
 747         (Layout::create_interp): Likewise.
 748         (Layout::finish_dynamic_section): Likewise.
 749         (Layout::set_dynamic_symbol_size): Likewise.
 750
 751 2011-07-08  Ian Lance Taylor  <iant@google.com>
 752
 753         PR gold/12386
 754         * options.h (class General_options): Add --unresolved-symbols.
 755         * target-reloc.h (issue_undefined_symbol_error): Check
 756         --unresolved-symbols.  Add comments.
 757
 758 2011-07-08  Ian Lance Taylor  <iant@google.com>
 759
 760         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 761         expression more complex.
 762
 763 2011-07-08  Ian Lance Taylor  <iant@google.com>
 764
 765         PR gold/11317
 766         * target-reloc.h (issue_undefined_symbol_error): New inline
 767         function, broken out of relocate_section.
 768         (relocate_section): Call issue_undefined_symbol_error.
 769         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 770         there is no TLS segment if we are about to issue an undefined
 771         symbol error.
 772         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 773
 774 2011-07-08  Ian Lance Taylor  <iant@google.com>
 775
 776         PR gold/12279
 777         * resolve.cc (Symbol_table::should_override): Add fromtype
 778         parameter.  Change all callers.  Give error when linking together
 779         TLS and non-TLS symbol.
 780         (Symbol_table::should_override_with_special): Add fromtype
 781         parameter.  Change all callers.
 782         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 783         there is no TLS segment if we have reported some errors.
 784         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 785
 786 2011-07-08  Ian Lance Taylor  <iant@google.com>
 787
 788         PR gold/12372
 789         * target.h (Target::plt_address_for_global): New function.
 790         (Target::plt_address_for_local): New function.
 791         (Target::plt_section_for_global): Remove.
 792         (Target::plt_section_for_local): Remove.
 793         (Target::do_plt_address_for_global): New virtual function.
 794         (Target::do_plt_address_for_local): New virtual function.
 795         (Target::do_plt_section_for_global): Remove.
 796         (Target::do_plt_section_for_local): Remove.
 797         (Target::register_global_plt_entry): Add Symbol_table and Layout
 798         parameters.
 799         * output.cc (Output_data_got::Got_entry::write): Use
 800         plt_address_for_global and plt_address_for_local.
 801         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 802         address of output section.
 803         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 804         got_irelative_, and irelative_count_ fields.  Update
 805         declarations.
 806         (Output_data_plt_i386::has_irelative_section): New function.
 807         (Output_data_plt_i386::entry_count): Add irelative_count_.
 808         (Output_data_plt_i386::set_final_data_size): Likewise.
 809         (class Target_i386): Add got_irelative_ and rel_irelative_
 810         fields.  Update declarations.
 811         (Target_i386::Target_i386): Initialize new fields.
 812         (Target_i386::do_plt_address_for_global): New function replacing
 813         do_plt_section_for_global.
 814         (Target_i386::do_plt_address_for_local): New function replacing
 815         do_plt_section_for_local.
 816         (Target_i386::got_section): Create got_irelative_.
 817         (Target_i386::rel_irelative_section): New function.
 818         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 819         fields.  Don't define __rel_iplt_{start,end}.
 820         (Output_data_plt_i386::add_entry): Add symtab and layout
 821         parameters.  Change all callers.  Use different PLT and GOT for
 822         IFUNC symbols.
 823         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 824         layout parameters.  Change all callers.  Use different PLT and
 825         GOT.
 826         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 827         (Output_data_plt_i386::rel_irelative): New function.
 828         (Output_data_plt_i386::address_for_global): New function.
 829         (Output_data_plt_i386::address_for_local): New function.
 830         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 831         IRELATIVE GOT when changing IFUNC GOT entries.
 832         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 833         reloc.
 834         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 835         if we didn't create an IRELATIVE GOT.
 836         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 837         plt_address_for_local.
 838         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 839         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 840         got_irelative_, and irelative_count_ fields.  Update
 841         declarations.
 842         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 843         Initialize new fields.  Remove symtab parameter.  Change all
 844         callers.
 845         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 846         irelative_count_.
 847         (Output_data_plt_x86_64::has_irelative_section): New function.
 848         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 849         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 850         fields.  Update declarations.
 851         (Target_x86_64::Target_x86_64): Initialize new fields.
 852         (Target_x86_64::do_plt_address_for_global): New function replacing
 853         do_plt_section_for_global.
 854         (Target_x86_64::do_plt_address_for_local): New function replacing
 855         do_plt_section_for_local.
 856         (Target_x86_64::got_section): Create got_irelative_.
 857         (Target_x86_64::rela_irelative_section): New function.
 858         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 859         all callers.  Don't create __rel_iplt_{start,end}.
 860         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 861         parameters.  Change all callers.  Use different PLT and GOT for
 862         IFUNC symbols.
 863         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 864         layout parameters.  Change all callers.  Use different PLT and
 865         GOT.
 866         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 867         parameters.  Change all callers.  Use different PLT and GOT for
 868         IFUNC symbols.
 869         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 870         (Output_data_plt_x86_64::rela_irelative): New function.
 871         (Output_data_plt_x86_64::address_for_global): New function.
 872         (Output_data_plt_x86_64::address_for_local): New function.
 873         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 874         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 875         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 876         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 877         parameters.
 878         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 879         reloc.
 880         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 881         symbols if we didn't create an IRELATIVE GOT.
 882         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 883         plt_address_for_local.
 884         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 885         * testsuite/ifuncvar1.c: New test file.
 886         * testsuite/ifuncvar2.c: New test file.
 887         * testsuite/ifuncvar3.c: New test file.
 888         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 889         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 890         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 891         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 892         * testsuite/Makefile.in: Rebuild.
 893
 894 2011-07-07  Cary Coutant  <ccoutant@google.com>
 895
 896         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 897         (two_file_test_1_ndebug.o): Likewise.
 898         (two_file_test_1b_ndebug.o): Likewise.
 899         (two_file_test_2_ndebug.o): Likewise.
 900         (two_file_test_main_ndebug.o): Likewise.
 901         (incremental_test_2): Link with no-debug versions.
 902
 903 2011-07-06  Cary Coutant  <ccoutant@google.com>
 904
 905         * gold/incremental.cc
 906         (Output_section_incremental_inputs::write_info_blocks): Check for
 907         hidden and internal symbols.
 908
 909 2011-07-06  Cary Coutant  <ccoutant@google.com>
 910
 911         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 912         Check disposition for startup file.
 913         (Incremental_inputs::report_command_line): Ignore
 914         --incremental-startup-unchanged option.
 915         * options.cc (General_options::parse_incremental_startup_unchanged):
 916         New function.
 917         (General_options::General_options): Initialize new data member.
 918         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 919         (General_options): Add --incremental-startup-unchanged option.
 920         (General_options::incremental_startup_disposition): New function.
 921         (General_options::incremental_startup_disposition_): New data member.
 922
 923 2011-07-06  Cary Coutant  <ccoutant@google.com>
 924
 925         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 926         input file index to Script_info ctor.
 927         (Sized_incremental_binary::do_file_has_changed): Find the
 928         command-line argument for files named in scripts.
 929         * incremental.h (Script_info::Script_info): New ctor
 930         with input file index.
 931         (Script_info::input_file_index): New function.
 932         (Script_info::input_file_index_): New data member.
 933         (Incremental_binary::get_library): Add const.
 934         (Incremental_binary::get_script_info): Add const.
 935         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 936         * testsuite/Makefile.am (incremental_test_5): New test case.
 937         (incremental_test_6): New test case.
 938         * testsuite/Makefile.in: Regenerate.
 939
 940 2011-07-06  Cary Coutant  <ccoutant@google.com>
 941
 942         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 943         debug output when command lines differ.
 944
 945 2011-07-06  Cary Coutant  <ccoutant@google.com>
 946
 947         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 948         --incremental-patch option.
 949         * layout.cc (Free_list::allocate): Extend allocation beyond original
 950         end if enabled.
 951         (Layout::make_output_section): Mark sections that should get
 952         patch space.
 953         * options.cc (parse_percent): New function.
 954         * options.h (parse_percent): New function.
 955         (DEFINE_percent): New macro.
 956         (General_options): Add --incremental-patch option.
 957         * output.cc (Output_section::Output_section): Initialize new data
 958         members.
 959         (Output_section::add_input_section): Print section name when out
 960         of patch space.
 961         (Output_section::add_output_section_data): Likewise.
 962         (Output_section::set_final_data_size): Add patch space when
 963         doing --incremental-full.
 964         (Output_section::do_reset_address_and_file_offset): Remove patch
 965         space.
 966         (Output_segment::set_section_list_addresses): Print debug output
 967         only if --incremental-update.
 968         * output.h (Output_section::set_is_patch_space_allowed): New function.
 969         (Output_section::is_patch_space_allowed_): New data member.
 970         (Output_section::patch_space_): New data member.
 971         * parameters.cc (Parameters::incremental_full): New function.
 972         * parameters.h (Parameters::incremental_full): New function
 973         * testsuite/Makefile.am (incremental_test_2): Add test for
 974         --incremental-patch option.
 975         * testsuite/Makefile.in: Regenerate.
 976         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 977         (t18): Remove function body.
 978
 979 2011-07-05  Doug Kwan  <dougkwan@google.com>
 980
 981         PR gold/12771
 982         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 983         Arm_Address type for relocation result.
 984         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 985         overflow check.
 986         (Arm_relocate_functions::abs32): Use unaligned access.
 987         (Arm_relocate_functions::rel32): Ditto.
 988         (Arm_relocate_functions::prel31): Ditto.
 989         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 990         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 991         static data relocations.
 992         * testsuite/Makefile.in: Regnerate.
 993         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 994
 995 2011-07-05  Ian Lance Taylor  <iant@google.com>
 996
 997         PR gold/12392
 998         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 999         symbols if necessary.
1000         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1001
1002 2011-07-05  Ian Lance Taylor  <iant@google.com>
1003
1004         PR gold/12952
1005         * resolve.cc (Symbol::override_base_with_special): Simply override
1006         version with special symbol version, ignoring previous version.
1007
1008 2011-07-05  Ian Lance Taylor  <iant@google.com>
1009
1010         * object.cc (Sized_relobj_file::include_section_group): Add
1011         information to comment about signature location.
1012
1013 2011-07-02  Ian Lance Taylor  <iant@google.com>
1014
1015         PR gold/12957
1016         * options.h (class General_options): Add -f and -F.
1017         * options.cc (General_options::finalize): Fatal error if -f/-F
1018         are used without -shared.
1019         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1020
1021 2011-07-02  Ian Lance Taylor  <iant@google.com>
1022
1023         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1024
1025 2011-07-01  Ian Lance Taylor  <iant@google.com>
1026
1027         PR gold/12525
1028         PR gold/12952
1029         * resolve.cc (Symbol::override_base_with_special): Don't override
1030         the version if the overriding symbol has a different name.
1031         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1032         all callers.  If we give an error about an undefined version,
1033         define the base version if necessary.
1034         * dynobj.h (class Versions): Update declaration.
1035         * testsuite/weak_alias_test_5.cc: New file.
1036         * testsuite/weak_alias_test.script: New file.
1037         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1038         and versioned_alias have the right value, and call t2.
1039         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1040         weak_alias_test_5.so.
1041         (weak_alias_test_LDADD): Likewise.
1042         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1043         * testsuite/Makefile.in: Rebuild.
1044
1045 2011-07-01  Ian Lance Taylor  <iant@google.com>
1046
1047         PR gold/12525
1048         * options.h (class General_options): Support -z notext.
1049         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1050         -Wl,-z,notext.
1051         (two_file_shared_nonpic.so): Likewise.
1052         (two_file_shared_mixed.so): Likewise.
1053         (two_file_shared_mixed_1.so): Likewise.
1054         (weak_undef_lib_nonpic.so): Likewise.
1055         (alt/weak_undef_lib_nonpic.so): Likewise.
1056         (tls_test_shared_nonpic.so): Likewise.
1057         * testsuite/Makefile.in: Rebuild.
1058
1059 2011-07-01  Ian Lance Taylor  <iant@google.com>
1060
1061         PR gold/12525
1062         * configure.ac: Test whether static linking works, setting
1063         the automake conditional HAVE_STATIC.
1064         * testsuite/Makefile.am: Disable tests using -static if
1065         HAVE_STATIC is not true.
1066         * configure, testsuite/Makefile.in: Rebuild.
1067
1068 2011-07-01  Ian Lance Taylor  <iant@google.com>
1069
1070         PR gold/12525
1071         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1072         Assert if we see DW_EH_PE_indirect.
1073         * target.h (Target::ehframe_datarel_base): New function.
1074         (Target::do_ehframe_datarel_base): New target function.
1075         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1076         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1077         function.
1078
1079 2011-07-01  Ian Lance Taylor  <iant@google.com>
1080
1081         PR gold/12571
1082         * options.h (class General_options): Add
1083         --ld-generated-unwind-info.
1084         * ehframe.cc (Fde::write): Add address parameter.  Change all
1085         callers.  If associated with PLT, fill in address and size.
1086         (Cie::set_output_offset): Only add merge mapping if there is an
1087         object.
1088         (Cie::write): Add address parameter.  Change all callers.
1089         (Eh_frame::add_ehframe_for_plt): New function.
1090         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1091         input_offset_ fields into union u_, with new plt field.
1092         (Fde::Fde): Adjust for new union field.
1093         (Fde::Fde) [Output_data version]: New constructor.
1094         (Fde::add_mapping): Only add merge mapping if there is an object.
1095         (class Cie): Update declarations.
1096         (class Eh_frame): Declare add_ehframe_for_plt.
1097         * layout.cc (Layout::layout_eh_frame): Break out code into
1098         make_eh_frame_section, and call it.
1099         (Layout::make_eh_frame_section): New function.
1100         (Layout::add_eh_frame_for_plt): New function.
1101         * layout.h (class Layout): Update declarations.
1102         * merge.cc (Merge_map::add_mapping): Add assertion.
1103         * i386.cc: Include "dwarf.h".
1104         (class Output_data_plt_i386): Make first_plt_entry,
1105         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1106         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1107         and plt_eh_frame_fde.
1108         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1109         boundary.  Call add_eh_frame_for_plt if appropriate.
1110         * x86_64.cc: Include "dwarf.h".
1111         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1112         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1113         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1114         and plt_eh_frame_fde.
1115         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1116         appropriate.
1117
1118 2011-06-29  Ian Lance Taylor  <iant@google.com>
1119
1120         PR gold/12629
1121         * object.cc (Sized_relobj_file::layout_section): Change shdr
1122         parameter to be const.
1123         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1124         out of do_layout.
1125         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1126         appropriate.  Call layout_eh_frame_section.
1127         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1128         sections.
1129         * object.h (class Sized_relobj_file): Update declarations.
1130
1131 2011-06-29  Ian Lance Taylor  <iant@google.com>
1132
1133         PR gold/12652
1134         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1135         modifier.
1136         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1137
1138 2011-06-29  Ian Lance Taylor  <iant@google.com>
1139
1140         PR gold/12675
1141         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1142         SHT_X86_64_UNWIND.
1143         * layout.cc (Layout::layout_eh_frame): Likewise.
1144
1145 2011-06-29  Ian Lance Taylor  <iant@google.com>
1146
1147         PR gold/12695
1148         * layout.cc (Layout::symtab_section_shndx): New function.
1149         * layout.h (class Layout): Declare symtab_section_shndx.
1150         * output.cc (Output_section::write_header): Call it.
1151
1152 2011-06-29  Ian Lance Taylor  <iant@google.com>
1153
1154         PR gold/12818
1155         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1156         symbols which are not used in a relocation.
1157
1158 2011-06-28  Ian Lance Taylor  <iant@google.com>
1159
1160         PR gold/12898
1161         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1162         script create indistinguishable segments.
1163         (Layout::set_segment_offsets): Use stable_sort when sorting
1164         segments.  Pass this to Compare_segments constructor.
1165         * layout.h (class Layout): Make segment_precedes non-static.
1166         (class Compare_segments): Change from struct to class.  Add
1167         layout_ field.  Add constructor.
1168         * script-sections.cc
1169         (Script_sections::attach_sections_using_phdrs_clause): Rename
1170         local orphan to is_orphan.  Don't report failure to put empty
1171         section in segment.  On attachment failure, report name of
1172         section, and attach to first PT_LOAD segment.
1173
1174 2011-06-28  Ian Lance Taylor  <iant@google.com>
1175
1176         PR gold/12934
1177         * target-select.cc (Target_selector::Target_selector): Add
1178         emulation parameter.  Change all callers.
1179         (select_target_by_bfd_name): Rename from select_target_by_name.
1180         Change all callers.
1181         (select_target_by_emulation): New function.
1182         (supported_emulation_names): New function.
1183         * target-select.h (class Target_selector): Add emulation_ field.
1184         Update declarations.
1185         (Target_selector::recognize_by_bfd_name): Rename from
1186         recognize_by_name.  Change all callers.
1187         (Target_selector::supported_bfd_names): Rename from
1188         supported_names.  Change all callers.
1189         (Target_selector::recognize_by_emulation): New function.
1190         (Target_selector::supported_emulations): New function.
1191         (Target_selector::emulation): New function.
1192         (Target_selector::do_recognize_by_bfd_name): Rename from
1193         do_recognize_by_name.  Change all callers.
1194         (Target_selector::do_supported_bfd_names): Rename from
1195         do_supported_names.  Change all callers.
1196         (Target_selector::do_recognize_by_emulation): New function.
1197         (Target_selector::do_supported_emulations): New function.
1198         (select_target_by_bfd_name): Change name in declaration.
1199         (select_target_by_emulation): Declare.
1200         (supported_emulation_names): Declare.
1201         * parameters.cc (parameters_force_valid_target): Try to find
1202         target based on emulation from -m option.
1203         * options.h (class General_options): Change doc string for -m.
1204         * options.cc (help): Print emulations.
1205         (General_options::parse_V): Likewise.
1206         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1207         Add emulation parameter.  Change all callers.
1208
1209 2011-06-28  Ian Lance Taylor  <iant@google.com>
1210
1211         * target.h (class Target): Add osabi_ field.
1212         (Target::osabi): New function.
1213         (Target::set_osabi): New function.
1214         (Target::Target): Initialize osabi_.
1215         (Target::do_adjust_elf_header): Make pure virtual.
1216         (Sized_target::do_adjust_elf_header): Declare.
1217         * target.cc (Sized_target::do_adjust_elf_header): New function.
1218         (class Sized_target): Instantiate all versions.
1219         * freebsd.h (class Target_freebsd): Remove.
1220         (Target_selector_freebsd::do_recognize): Call set_osabi on
1221         Target.
1222         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1223         (Target_selector_freebsd::set_osabi): Remove.
1224         * i386.cc (class Target_i386): Inherit from Sized_target rather
1225         than Target_freebsd.
1226         * x86_64.cc (class Target_x86_64): Likewise.
1227
1228 2011-06-28  Ian Lance Taylor  <iant@google.com>
1229
1230         * target.h (Target::can_check_for_function_pointers): Rewrite.
1231         Make non-virtual.
1232         (Target::can_icf_inline_merge_sections): Likewise.
1233         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1234         (Target::Target_info): Add can_icf_inline_merge_sections field.
1235         (Target::do_can_check_for_function_pointers): New virtual
1236         function.
1237         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1238         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1239         from can_check_for_function_pointers, move in file.
1240         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1241         section_may_have_icf_unsafe_poineters, move in file.
1242         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1243         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1244         Rename from can_check_for_function_pointers, move in file.
1245         (Target_i386::can_icf_inline_merge_sections): Remove.
1246         (Target_i386::i386_info): Initialize
1247         can_icf_inline_merge_sections.
1248         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1249         Initialize can_icf_inline_merge_sections.
1250         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1251         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1252         Rename from can_check_for_function_pointers, move in file.
1253         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1254         (Target_x86_64::x86_64_info): Initialize
1255         can_icf_inline_merge_sections.
1256         * testsuite/testfile.cc (Target_test::test_target_info):
1257         Likewise.
1258         * icf.cc (get_section_contents): Correct formatting.
1259
1260 2011-06-27  Ian Lance Taylor  <iant@google.com>
1261
1262         * symtab.cc (Symbol::versioned_name): New function.
1263         (Symbol_table::add_to_final_symtab): Use versioned_name when
1264         appropriate.
1265         (Symbol_table::sized_write_symbol): Likewise.
1266         * symtab.h (class Symbol): Declare versioned_name.
1267         * stringpool.h (class Stringpool_template): Add variant of add
1268         which takes a std::basic_string.
1269         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1270         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1271         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1272         (ver_test_12.o): New target.
1273         * testsuite/Makefile.in: Rebuild.
1274
1275 2011-06-27  Doug Kwan  <dougkwan@google.com>
1276
1277         * arm.cc (Arm_relocate_functions::thm_jump8,
1278         Arm_relocate_functions::thm_jump11): Use a wider signed
1279         type to compute offset.
1280         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1281         arm_thm_jump8.
1282         * testsuite/Makefile.in: Regenerate.
1283         * testsuite/arm_branch_in_range.sh: Check test results of
1284         arm_thm_jump11 and arm_thm_jump8.
1285         * testsuite/arm_thm_jump11.s: New test source file.
1286         * testsuite/arm_thm_jump11.t: New linker script.
1287         * testsuite/arm_thm_jump8.s: New test source file.
1288         * testsuite/arm_thm_jump8.t: New linker script.
1289
1290 2011-06-24  Ian Lance Taylor  <iant@google.com>
1291
1292         * layout.cc: Include "object.h".
1293         (ctors_sections_in_init_array): New static variable.
1294         (Layout::is_ctors_in_init_array): New function.
1295         (Layout::layout): Add entry to ctors_sections_in_init_array if
1296         appropriate.
1297         * layout.h (class Layout): Declare is_ctors_in_init_array.
1298         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1299         is_ctors_reverse_view is set.
1300         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1301         all callers.  Set is_ctors_reverse_view field of View_size.
1302         (Sized_relobj_file::reverse_words): New function.
1303         * object.h (Sized_relobj_file::View_size): Add
1304         is_ctors_reverse_view field.
1305         (class Sized_relobj_file): Update declarations.
1306         * testsuite/initpri3.c: New test.
1307         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1308         initpri3b.
1309         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1310         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1311         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1312         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1313         * testsuite/Makefile.in: Rebuild.
1314
1315 2011-06-24  Cary Coutant  <ccoutant@google.com>
1316
1317         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1318         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1319         (debug_msg_cdebug.err): New targets.
1320         * testsuite/Makefile.in: Regenerate.
1321         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1322         Fix checks for link with shared library.
1323
1324 2011-06-24  Doug Kwan  <dougkwan@google.com>
1325
1326         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1327         skip empty text sections.
1328         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1329
1330 2011-06-22  Ian Lance Taylor  <iant@google.com>
1331
1332         PR gold/12910
1333         * options.h (class General_options): Add --ctors-in-init-array.
1334         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1335         friends as SHT_PROGBITS for merging sections.
1336         (Layout::layout): Remove special handling of .init_array and
1337         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1338         and .dtors if ctors_in_init_array.
1339         (Layout::make_output_section): Force correct section types for
1340         .init_array and friends.  Don't sort if doing relocatable link,
1341         Don't sort .ctors and .dtors if ctors_in_init_array.
1342         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1343         (Layout::output_section_name): Add relobj parameter.  Change all
1344         callers.  Handle .ctors. and .dtors. in code rather than table.
1345         Handle .ctors and .dtors if ctors_in_init_array.
1346         (Layout::match_file_name): New function, moved from output.cc.
1347         * layout.h (class Layout): Update declarations.
1348         * output.cc: Include "layout.h".
1349         (Input_section_sort_entry::get_priority): New function.
1350         (Input_section_sort_entry::match_file_name): Just call
1351         Layout::match_file_name.
1352         (Output_section::Input_section_sort_init_fini_compare::operator()):
1353         Handle .ctors and .dtors.  Sort by explicit priority rather than
1354         by name.
1355         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1356         * testsuite/initpri2.c: New test.
1357         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1358         (check_PROGRAMS): Add initpri2.
1359         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1360         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1361         * configure, testsuite/Makefile.in: Rebuild.
1362
1363 2011-06-19  Ian Lance Taylor  <iant@google.com>
1364
1365         PR gold/12880
1366         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1367         .interp section to a PT_INTERP segment even if we have seen a
1368         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1369         clause in a linker script.
1370         (Layout::finalize): Don't create a .interp section if we've
1371         already create a PT_INTERP segment.
1372         (Layout::create_interp): Always call choose_output_section (revert
1373         patch of 2011-06-17).  Don't create PT_INTERP segment.
1374         * script-sections.cc
1375         (Script_sections::create_note_and_tls_segments): Add a .interp
1376         section to a PT_INTERP segment even if we have seen a
1377         --dynamic-linker option.
1378
1379 2011-06-18  Ian Lance Taylor  <iant@google.com>
1380
1381         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1382         merely because a non-PT_LOAD segment has a dynamic reloc.
1383
1384 2011-06-18  Ian Lance Taylor  <iant@google.com>
1385
1386         * layout.cc (Layout::finish_dynamic_section): Don't create
1387         DT_FLAGS entry if not needed.
1388
1389 2011-06-18  Ian Lance Taylor  <iant@google.com>
1390
1391         PR gold/12745
1392         * layout.cc (Layout::layout_eh_frame): Correct handling of
1393         writable .eh_frame section.
1394
1395 2011-06-17  Ian Lance Taylor  <iant@google.com>
1396
1397         PR gold/12893
1398         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1399         symbol is redefined with the exact same object and value.
1400
1401 2011-06-17  Ian Lance Taylor  <iant@google.com>
1402
1403         PR gold/12880
1404         * layout.h (class Layout): Add interp_segment_ field.
1405         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1406         (Layout::attach_allocated_section_to_segment): If making shared
1407         library, put .interp section in PT_INTERP segment.
1408         (Layout::finalize): Also call create_interp if -dynamic-linker
1409         option was used.
1410         (Layout::create_interp): Assert that there is no PT_INTERP
1411         segment.  If not using a SECTIONS clause, use make_output_section.
1412         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1413         * script-sections.cc
1414         (Script_sections::create_note_and_tls_segments): If making shared
1415         library, put .interp section in PT_INTERP segment.
1416
1417 2011-06-17  Ian Lance Taylor  <iant@google.com>
1418
1419         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1420         when making a shared library.
1421
1422 2011-06-17  Ian Lance Taylor  <iant@google.com>
1423
1424         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1425         parameter.  Change all callers.  Don't issue warning about PC32
1426         against locally defined symbol.
1427
1428 2011-06-16  Ian Lance Taylor  <iant@google.com>
1429
1430         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1431         occurs in same object.
1432
1433 2011-06-14  Alan Modra  <amodra@gmail.com>
1434
1435         * po/POTFILES.in: Regenerate.
1436
1437 2011-06-09  Ian Lance Taylor  <iant@google.com>
1438
1439         * script-sections.cc
1440         (Orphan_output_section::set_section_addresses): For a relocatable
1441         link set address to 0.
1442
1443 2011-06-09  Cary Coutant  <ccoutant@google.com>
1444
1445         PR gold/12804
1446         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1447         used with --compress-debug-sections.
1448         * gold/object.cc (Sized_relobj_file::do_layout): Report
1449         uncompressed size of compressed input sections.
1450
1451 2011-06-08  Cary Coutant  <ccoutant@google.com>
1452
1453         PR gold/12804
1454         * testsuite/two_file_test_2_v1.cc: Change initialization of
1455         v2 to keep it in .data.
1456
1457 2011-06-07  Cary Coutant  <ccoutant@google.com>
1458
1459         * common.cc (Symbol_table::do_allocate_commons_list): Call
1460         gold_fallback.
1461         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1462         (Errors::fallback): New function.
1463         (gold_fallback): New function.
1464         * errors.h (Errors::fallback): New function.
1465         * gold.cc (gold_exit): Change status parameter to enum; adjust
1466         all callers.
1467         (queue_initial_tasks): Call gold_fallback.
1468         * gold.h: Include cstdlib.
1469         (Exit_status): New enum type.
1470         (gold_exit): Change status parameter to enum.
1471         (gold_fallback): New function.
1472         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1473         (Layout::create_symtab_sections): Likewise.
1474         (Layout::create_shdrs): Likewise.
1475         * main.cc (main): Adjust call to gold_exit.
1476         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1477         (Output_data_got::add_got_entry_pair): Likewise.
1478         (Output_section::add_input_section): Likewise.
1479         (Output_section::add_output_section_data): Likewise.
1480         (Output_segment::set_section_list_addresses): Likewise.
1481         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1482
1483 2011-06-07  Cary Coutant  <ccoutant@google.com>
1484
1485         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1486         for incremental links.
1487         * output.cc (Output_segment::set_section_list_addresses): Remove
1488         FIXME and test for TLS or BSS.
1489
1490 2011-06-07  Cary Coutant  <ccoutant@google.com>
1491
1492         * testsuite/Makefile.am: Add incremental_copy_test,
1493         incremental_common_test_1.
1494         * testsuite/Makefile.in: Regenerate.
1495         * testsuite/common_test_1_v1.c: New source file.
1496         * testsuite/common_test_1_v2.c: New source file.
1497         * testsuite/copy_test_v1.cc: New source file.
1498
1499 2011-06-07  Cary Coutant  <ccoutant@google.com>
1500
1501         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1502         update, allocate common from bss section's free list.
1503         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1504         linker-defined symbols.
1505         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1506         Skip GOT and PLT entries that are no longer referenced.
1507         (Output_section_incremental_inputs::write_info_blocks): Mark
1508         linker-defined symbols.
1509         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1510         * output.cc (Output_section::allocate): New function.
1511         * output.h (Output_section::allocate): New function.
1512         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1513         linker-defined symbols.
1514         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1515         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1516         (Symbol::init_base_output_data): Likewise.
1517         (Symbol::init_base_output_segment): Likewise.
1518         (Symbol::init_base_constant): Likewise.
1519         (Sized_symbol::init_output_data): Likewise.
1520         (Sized_symbol::init_output_segment): Likewise.
1521         (Sized_symbol::init_constant): Likewise.
1522         (Symbol_table::do_define_in_output_data): Likewise.
1523         (Symbol_table::do_define_in_output_segment): Likewise.
1524         (Symbol_table::do_define_as_constant): Likewise.
1525         * symtab.h (Symbol::is_predefined): New function.
1526         (Symbol::init_base_output_data): Add is_predefined parameter.
1527         (Symbol::init_base_output_segment): Likewise.
1528         (Symbol::init_base_constant): Likewise.
1529         (Symbol::is_predefined_): New data member.
1530         (Sized_symbol::init_output_data): Add is_predefined parameter.
1531         (Sized_symbol::init_output_segment): Likewise.
1532         (Sized_symbol::init_constant): Likewise.
1533         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1534
1535 2011-06-07  Cary Coutant  <ccoutant@google.com>
1536
1537         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1538         instead of emit_copy_reloc.
1539         (Copy_relocs::emit_copy_reloc): Refactor.
1540         (Copy_relocs::make_copy_reloc): New function.
1541         (Copy_relocs::add_copy_reloc): Remove.
1542         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1543         section.
1544         (Copy_relocs::make_copy_reloc): New function.
1545         (Copy_relocs::add_copy_reloc): Remove.
1546         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1547         unchanged input files.
1548         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1549         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1550         Reserve BSS space for COPY relocations.
1551         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1552         (Output_section_incremental_inputs::write_info_blocks): Record
1553         whether a symbol is copied from a shared object.
1554         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1555         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1556         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1557         (Incremental_input_entry_reader::get_output_symbol_index): Add
1558         is_copy parameter.
1559         (Incremental_binary::emit_copy_relocs): New function.
1560         (Incremental_binary::do_emit_copy_relocs): New function.
1561         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1562         new data member.
1563         (Sized_incremental_binary::add_copy_reloc): New function.
1564         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1565         (Sized_incremental_binary::Copy_reloc): New struct.
1566         (Sized_incremental_binary::Copy_relocs): New typedef.
1567         (Sized_incremental_binary::copy_relocs_): New data member.
1568         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1569         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1570         * target.h (Sized_target::emit_copy_reloc): New function.
1571         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1572
1573 2011-06-02  Cary Coutant  <ccoutant@google.com>
1574
1575         PR gold/12163
1576         * gold/archive.cc (Archive::Archive): Initialize new data member.
1577         (Archive::include_all_members): Return if archive has already been
1578         included.
1579         * gold/archive.h (Archive::include_all_members_): New data member.
1580
1581 2011-06-02  Nick Clifton  <nickc@redhat.com>
1582
1583         * dynobj.h: Fix spelling mistake in comment.
1584         * output.cc: Likewise.
1585
1586 2011-05-31  Doug Kwan  <dougkwan@google.com>
1587             Asier Llano
1588
1589         PR gold/12826
1590         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1591         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1592         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1593         redundant arm_exidx_test.so.
1594         * testsuite/Makefile.in: Regenerate.
1595         (check_SCRIPTS): Add pr12826.sh
1596         (check_DATA): Add pr12826.stdout
1597         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1598         * testsuite/pr12826.sh: New file.
1599         * testsuite/pr12826_1.s: Ditto.
1600         * testsuite/pr12826_1.s: Ditto.
1601
1602 2011-05-30  Ian Lance Taylor  <iant@google.com>
1603
1604         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1605         sections.
1606
1607 2011-05-29  Ian Lance Taylor  <iant@google.com>
1608
1609         PR gold/12804
1610         * testsuite/Makefile.am: Use different file name for two_file_test
1611         temporary file for each incremental test.
1612         * testsuite/Makefile.in: Rebuild.
1613
1614 2011-05-29  Ian Lance Taylor  <iant@google.com>
1615
1616         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1617         binary input file is empty.
1618
1619 2011-05-27  Ian Lance Taylor  <iant@google.com>
1620
1621         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1622         (ver_test_9.so): Likewise.
1623         * testsuite/Makefile.in: Rebuild.
1624
1625 2011-05-26 Cary Coutant  <ccoutant@google.com>
1626
1627         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1628         * incremental.cc (Incremental_inputs::report_input_section): Fix
1629         comment, indentation.
1630         (Incremental_inputs::report_comdat_group): New function.
1631         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1632         of data for incremental input file entry.
1633         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1634         group count, COMDAT group signatures.
1635         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1636         an unchanged input file.
1637         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1638         Initialize new data member.
1639         (Incremental_object_entry::add_comdat_group): New function.
1640         (Incremental_object_entry::get_comdat_group_count): New function.
1641         (Incremental_object_entry::get_comdat_signature_key): New function.
1642         (Incremental_object_entry::groups_): New data member.
1643         (Incremental_inputs::report_comdat_group): New function.
1644         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1645         data for incremental input file entry.
1646         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1647         (Incremental_input_entry_reader::get_input_section): Adjust size of
1648         data for incremental input file entry.
1649         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1650         (Incremental_input_entry_reader::get_comdat_group_signature): New
1651         function.
1652         * object.cc (Sized_relobj::include_section_group): Report kept
1653         COMDAT groups for incremental links.
1654
1655 2011-05-24  David Meyer  <pdox@google.com>
1656
1657         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1658         with name parameter.  Add found_name parameter.
1659         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1660         * dirsearch.h (class Dirsearch): Update declaration.
1661
1662 2011-05-24  Ian Lance Taylor  <iant@google.com>
1663
1664         * archive.cc (Library_base::should_include_member): Pull in object
1665         from archive if it defines the entry symbol.
1666         * parameters.cc (Parameters::entry): New function.
1667         * parameters.h (class Parameters): Declare entry.
1668         * output.h (class Output_file_header): Remove entry_ field.
1669         * output.cc (Output_file_header::Output_file_header): Remove entry
1670         parameter.  Change all callers.
1671         (Output_file_header::entry): Use parameters->entry.
1672         * gold.cc (queue_middle_tasks): Likewise.
1673         * plugin.cc (Plugin_hook::run): Likewise.
1674
1675 2011-05-24 Cary Coutant  <ccoutant@google.com>
1676
1677         * gold.cc (queue_initial_tasks): Pass incremental base filename
1678         to Output_file::open_base_file; don't print error message.
1679         * incremental-dump.cc (main): Adjust call to
1680         Output_file::open_for_modification.
1681         * incremental-dump.cc (main): Likewise.
1682         * incremental.cc (Incremental_inputs::report_command_line):
1683         Ignore --incremental-base option when comparing command lines.
1684         Ignore parameter when given as separate argument.
1685         * options.h (class General_options): Add --incremental-base.
1686         * output.cc (Output_file::Output_file):
1687         (Output_file::open_base_file): Add base_name and writable parameters;
1688         read base file into new file; print error message here.
1689         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1690         callers.
1691         * output.h (Output_file::open_for_modification): Rename to...
1692         (Output_file::open_base_file): ...this; add base_name and
1693         writable parameters; adjust all callers.
1694         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1695         callers.
1696         * testsuite/Makefile.am (incremental_test_4): Test
1697         --incremental-base.
1698         * testsuite/Makefile.in: Regenerate.
1699
1700 2011-05-24 Cary Coutant  <ccoutant@google.com>
1701
1702         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1703         incremental_test_4.
1704         * testsuite/Makefile.in: Regenerate.
1705         * testsuite/two_file_test_1_v1.cc: New test source file.
1706         * testsuite/two_file_test_1b_v1.cc: New test source file.
1707         * testsuite/two_file_test_2_v1.cc: New test source file.
1708
1709 2011-05-24 Cary Coutant  <ccoutant@google.com>
1710
1711         * dynobj.h (Dynobj::do_dynobj): New function.
1712         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1713         flag and soname for shared objects.
1714         * incremental.cc (Incremental_inputs::report_object): Make
1715         either Incremental_object_entry or Incremental_dynobj_entry; add
1716         soname to string table.
1717         (Incremental_inputs::report_input_section): Add assertion.
1718         (Output_section_incremental_inputs::set_final_data_size): Adjust
1719         type of input file entry for shared libraries; adjust size of
1720         shared library info entry.
1721         (Output_section_incremental_inputs::write_input_files): Write
1722         as_needed flag for shared libraries.
1723         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1724         of input file entry for shared libraries; write soname.
1725         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1726         soname from incremental info.
1727         * incremental.h (enum Incremental_input_flags): Add
1728         INCREMENTAL_INPUT_AS_NEEDED.
1729         (Incremental_input_entry::Incremental_input_entry): Initialize new
1730         data member.
1731         (Incremental_input_entry::set_as_needed): New function.
1732         (Incremental_input_entry::as_needed): New function.
1733         (Incremental_input_entry::do_dynobj_entry): New function.
1734         (Incremental_input_entry::as_needed_): New data member.
1735         (Incremental_object_entry::Incremental_object_entry): Don't check
1736         for shared library.
1737         (Incremental_object_entry::do_type): Likewise.
1738         (class Incremental_dynobj_entry): New class.
1739         (Incremental_input_entry_reader::as_needed): New function.
1740         (Incremental_input_entry_reader::get_soname): New function.
1741         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1742         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1743         size of shared library info entry.
1744         * layout.cc (Layout::finish_dynamic_section): Don't test for
1745         incremental link when adding DT_NEEDED entries.
1746         * object.h (Object::Object): Initialize new data member.
1747         (Object::dynobj): New function.
1748         (Object::set_as_needed): New function.
1749         (Object::as_needed): New function.
1750         (Object::do_dynobj): New function.
1751         (Object::as_needed_): New data member.
1752
1753 2011-05-24 Cary Coutant  <ccoutant@google.com>
1754
1755         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1756         info; adjust display of GOT entries.
1757         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1758         vector of input objects; remove file_status_.
1759         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1760         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1761         got_plt reader; call target hooks to reserve GOT entries.
1762         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1763         of input file info header and GOT info entry.
1764         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1765         relocation info.
1766         (Got_plt_view_info::got_descriptor): Remove.
1767         (Got_plt_view_info::sym_index): New data member.
1768         (Got_plt_view_info::input_index): New data member.
1769         (Local_got_offset_visitor::visit): Write input file index.
1770         (Global_got_offset_visitor::visit): Write 0 for input file index.
1771         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1772         with sym_index and input_index.
1773         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1774         incremental info GOT entry; replace got_descriptor with input_index.
1775         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1776         map from input file index to object.
1777         (Sized_relobj_incr::do_layout): Replace direct data member reference
1778         with accessor function.
1779         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1780         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1781         Adjust size of input file info header.
1782         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1783         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1784         (Incremental_input_entry_reader::get_input_section): Adjust size of
1785         input file info header.
1786         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1787         of incremental info GOT entry.
1788         (Incremental_got_plt_reader::get_got_desc): Remove.
1789         (Incremental_got_plt_reader::get_got_symndx): New function.
1790         (Incremental_got_plt_reader::get_got_input_index): New function.
1791         (Sized_incremental_binary::Sized_incremental_binary): Remove
1792         file_status_; add input_objects_.
1793         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1794         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1795         (Sized_incremental_binary::file_is_unchanged): Remove.
1796         (Sized_incremental_binary::set_input_object): New function.
1797         (Sized_incremental_binary::input_object): New function.
1798         (Sized_incremental_binary::file_status_): Remove.
1799         (Sized_incremental_binary::input_objects_): New data member.
1800         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1801         references.
1802         (Sized_relobj_incr::invalid_address): Move to base class.
1803         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1804         class.
1805         (Sized_relobj_incr::do_output_section_offset): Likewise.
1806         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1807         (Sized_relobj_incr::section_offsets_): Likewise.
1808         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1809         function.
1810         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1811         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1812         with accessor function.
1813         (Sized_relobj_file::do_layout): Likewise.
1814         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1815         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1816         (Sized_relobj_file::compute_final_local_value): Replace refs to
1817         section_offsets_ with accessor function.
1818         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1819         * object.h (Relobj::Relobj): Initialize new data members.
1820         (Relobj::add_dyn_reloc): New function.
1821         (Relobj::first_dyn_reloc): New function.
1822         (Relobj::dyn_reloc_count): New function.
1823         (Relobj::first_dyn_reloc_): New data member.
1824         (Relobj::dyn_reloc_count_): New data member.
1825         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1826         references.
1827         (Sized_relobj::Address): New typedef.
1828         (Sized_relobj::invalid_address): Move here from child class.
1829         (Sized_relobj::Sized_relobj): Initialize new data members.
1830         (Sized_relobj::sized_relobj): New function.
1831         (Sized_relobj::is_output_section_offset_invalid): Move here from
1832         child class.
1833         (Sized_relobj::get_output_section_offset): Likewise.
1834         (Sized_relobj::local_has_got_offset): Likewise.
1835         (Sized_relobj::local_got_offset): Likewise.
1836         (Sized_relobj::set_local_got_offset): Likewise.
1837         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1838         (Sized_relobj::clear_got_offsets): New function.
1839         (Sized_relobj::section_offsets): Move here from child class.
1840         (Sized_relobj::do_output_section_offset): Likewise.
1841         (Sized_relobj::do_set_section_offset): Likewise.
1842         (Sized_relobj::Local_got_offsets): Likewise.
1843         (Sized_relobj::local_got_offsets_): Likewise.
1844         (Sized_relobj::section_offsets_): Likewise.
1845         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1846         references.
1847         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1848         class.
1849         (Sized_relobj_file::sized_relobj): New function
1850         (Sized_relobj_file::local_has_got_offset): Move to base class.
1851         (Sized_relobj_file::local_got_offset): Likewise.
1852         (Sized_relobj_file::set_local_got_offset): Likewise.
1853         (Sized_relobj_file::get_output_section_offset): Likewise.
1854         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1855         (Sized_relobj_file::do_output_section_offset): Likewise.
1856         (Sized_relobj_file::do_set_section_offset): Likewise.
1857         (Sized_relobj_file::Local_got_offsets): Likewise.
1858         (Sized_relobj_file::local_got_offsets_): Likewise.
1859         (Sized_relobj_file::section_offsets_): Likewise.
1860         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1861         (all constructors).
1862         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1863         (Output_reloc::get_symbol_index): Likewise.
1864         (Output_reloc::local_section_offset): Likewise.
1865         (Output_reloc::get_address): Likewise.
1866         (Output_reloc::symbol_value): Likewise.
1867         (Output_data_got::reserve_slot): Move to class definition.
1868         (Output_data_got::reserve_local): New function.
1869         (Output_data_got::reserve_slot_for_global): Remove.
1870         (Output_data_got::reserve_global): New function.
1871         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1872         (all constructors, two instantiations).
1873         (Output_reloc::get_relobj): New function (two instantiations).
1874         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1875         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1876         (Output_data_reloc::add_global): Adjust type of relobj.
1877         (Output_data_reloc::add_global_relative): Likewise.
1878         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1879         (Output_data_reloc::add_local): Likewise.
1880         (Output_data_reloc::add_local_relative): Likewise.
1881         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1882         (Output_data_reloc::add_local_section): Likewise.
1883         (Output_data_reloc::add_output_section): Likewise.
1884         (Output_data_reloc::add_absolute): Likewise.
1885         (Output_data_reloc::add_target_specific): Likewise.
1886         (Output_data_got::reserve_slot): Move definition here.
1887         (Output_data_got::reserve_local): New function.
1888         (Output_data_got::reserve_global): New function.
1889         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1890         section_offsets_ with accessor function.
1891         (Sized_relobj_file::write_sections): Likewise.
1892         (Sized_relobj_file::do_relocate_sections): Likewise.
1893         * target.h (Sized_target::reserve_local_got_entry): New function.
1894         (Sized_target::reserve_global_got_entry): New function.
1895         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1896         (Target_x86_64::reserve_global_got_entry): New function.
1897         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1898
1899 2011-05-23 Cary Coutant  <ccoutant@google.com>
1900
1901         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1902         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1903         bit when checking got_type.
1904         * incremental.cc (Sized_incremental_binary::setup_readers):
1905         Store symbol table and string table locations; initialize bit vector
1906         of file status flags.
1907         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1908         unchanged files.
1909         (Sized_incremental_binary::do_process_got_plt): New function.
1910         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1911         (Output_section_incremental_inputs::set_final_data_size): Record
1912         file index for each input file.
1913         (Output_section_incremental_inputs::write_got_plt): Store file index
1914         instead of input entry offset for each GOT entry.
1915         * incremental.h
1916         (Incremental_input_entry::Incremental_input_entry): Initialize new
1917         data member.
1918         (Incremental_input_entry::set_offset): Store file index.
1919         (Incremental_input_entry::get_file_index): New function.
1920         (Incremental_input_entry::file_index_): New data member.
1921         (Incremental_binary::process_got_plt): New function.
1922         (Incremental_binary::do_process_got_plt): New function.
1923         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1924         data members.
1925         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1926         (Sized_incremental_binary::set_file_is_unchanged): New function.
1927         (Sized_incremental_binary::file_is_unchanged): New function.
1928         (Sized_incremental_binary::do_process_got_plt): New function.
1929         (Sized_incremental_binary::file_status_): New data member.
1930         (Sized_incremental_binary::main_symtab_loc_): New data member.
1931         (Sized_incremental_binary::main_strtab_loc_): New data member.
1932         * output.cc (Output_data_got::Got_entry::write): Add case
1933         RESERVED_CODE.
1934         (Output_data_got::add_global): Call add_got_entry.
1935         (Output_data_got::add_global_plt): Likewise.
1936         (Output_data_got::add_global_with_rel): Likewise.
1937         (Output_data_got::add_global_with_rela): Likewise.
1938         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1939         (Output_data_got::add_global_pair_with_rela): Likewise.
1940         (Output_data_got::add_local): Call add_got_entry.
1941         (Output_data_got::add_local_plt): Likewise.
1942         (Output_data_got::add_local_with_rel): Likewise.
1943         (Output_data_got::add_local_with_rela): Likewise.
1944         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1945         (Output_data_got::add_local_pair_with_rela): Likewise.
1946         (Output_data_got::reserve_slot): New function.
1947         (Output_data_got::reserve_slot_for_global): New function.
1948         (Output_data_got::add_got_entry): New function.
1949         (Output_data_got::add_got_entry_pair): New function.
1950         (Output_section::add_output_section_data): Edit FIXME.
1951         * output.h
1952         (Output_section_data_build::Output_section_data_build): New
1953         constructor with size parameter.
1954         (Output_data_space::Output_data_space): Likewise.
1955         (Output_data_got::Output_data_got): Initialize new data member; new
1956         constructor with size parameter.
1957         (Output_data_got::add_constant): Call add_got_entry.
1958         (Output_data_got::reserve_slot): New function.
1959         (Output_data_got::reserve_slot_for_global): New function.
1960         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1961         (Output_data_got::add_got_entry): New function.
1962         (Output_data_got::add_got_entry_pair): New function.
1963         (Output_data_got::free_list_): New data member.
1964         * target.h (Sized_target::init_got_plt_for_update): New function.
1965         (Sized_target::register_global_plt_entry): New function.
1966         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1967         Initialize new data member; call init; add constructor with PLT count.
1968         (Output_data_plt_x86_64::init): New function.
1969         (Output_data_plt_x86_64::add_relocation): New function.
1970         (Output_data_plt_x86_64::reserve_slot): New function.
1971         (Output_data_plt_x86_64::free_list_): New data member.
1972         (Target_x86_64::init_got_plt_for_update): New function.
1973         (Target_x86_64::register_global_plt_entry): New function.
1974         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1975         incremental updates.
1976         (Output_data_plt_x86_64::add_relocation): New function.
1977         * testsuite/object_unittest.cc (Object_test): Set default options.
1978
1979 2011-05-16  Ian Lance Taylor  <iant@google.com>
1980
1981         * options.h (class General_options): Make -i a synonym for -r.
1982
1983 2011-05-16  Ian Lance Taylor  <iant@google.com>
1984
1985         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1986
1987 2011-05-10 Cary Coutant  <ccoutant@google.com>
1988
1989         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1990         strip_all (-s).
1991
1992 2011-05-06  Ian Lance Taylor  <iant@google.com>
1993
1994         * layout.cc (Layout::layout): If the output section flags change,
1995         update the ordering.
1996
1997 2011-04-25 Cary Coutant  <ccoutant@google.com>
1998
1999         * incremental-dump.cc (dump_incremental_inputs): Print local
2000         symbol info for each input file.
2001         * incremental.cc
2002         (Output_section_incremental_inputs::set_final_data_size): Add local
2003         symbol info to input file entries in incremental info.
2004         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2005         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2006         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2007         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2008         implementation.
2009         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2010         (Sized_incr_relobj::do_relocate): Write the local symbols.
2011         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2012         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2013         Adjust size of input file header.
2014         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2015         (Incremental_inputs_reader::get_local_symbol_count): New function.
2016         (Incremental_inputs_reader::get_input_section): Adjust size of input
2017         file header.
2018         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2019         (Sized_incr_relobj::This): New typedef.
2020         (Sized_incr_relobj::sym_size): New const data member.
2021         (Sized_incr_relobj::Local_symbol): New struct.
2022         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2023         (Sized_incr_relobj::do_local_symbol_offset): New function.
2024         (Sized_incr_relobj::local_symbol_count_): New data member.
2025         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2026         (Sized_incr_relobj::local_symbol_index_): New data member.
2027         (Sized_incr_relobj::local_symbol_offset_): New data member.
2028         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2029         (Sized_incr_relobj::local_symbols_): New data member.
2030         * object.h (Relobj::output_local_symbol_count): New function.
2031         (Relobj::local_symbol_offset): New function.
2032         (Relobj::do_output_local_symbol_count): New function.
2033         (Relobj::do_local_symbol_offset): New function.
2034         (Sized_relobj::do_output_local_symbol_count): New function.
2035         (Sized_relobj::do_local_symbol_offset): New function.
2036
2037 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2038
2039         * descriptors.cc (set_close_on_exec): New function.
2040         (Descriptors::open): Use set_close_on_exec.
2041         * output.cc (S_ISLNK): Define if not defined.
2042
2043 2011-04-22 Cary Coutant  <ccoutant@google.com>
2044
2045         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2046         global symbol map.
2047         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2048         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2049         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2050         relocations.
2051         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2052         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2053         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2054         * incremental.h
2055         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2056         function.
2057         (Incremental_binary::apply_incremental_relocs): New function.
2058         (Incremental_binary::do_apply_incremental_relocs): New function.
2059         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2060         data member.
2061         (Sized_incremental_binary::add_global_symbol): New function.
2062         (Sized_incremental_binary::global_symbol): New function.
2063         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2064         (Sized_incremental_binary::symbol_map_): New data member.
2065         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2066         * target.h (Sized_target::apply_relocation): New function.
2067         * target-reloc.h (apply_relocation): New function.
2068         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2069
2070 2011-04-22  Doug Kwan  <dougkwan@google.com>
2071
2072         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2073         flag of a SHT_ARM_EXIDX section.
2074         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2075         * testsuite/Makefile.in: Regenerate.
2076         * testsuite/arm_exidx_test.s: New file.
2077         * testsuite/arm_exidx_test.sh: Same.
2078
2079 2011-04-20 Cary Coutant  <ccoutant@google.com>
2080
2081         PR gold/12689
2082         * archive.h (Incremental_archive_entry::Archive_member):
2083         Initialize arg_serial_ (second constructor).
2084
2085 2011-04-17  Ian Lance Taylor  <iant@google.com>
2086
2087         * object.cc (Relocate_info::location): Simplify location string.
2088         * errors.cc (Errors::error_at_location): Don't print program
2089         name.
2090         (Errors::warning_at_location): Likewise.
2091         (Errors::undefined_symbol): Likewise.
2092         * testsuite/debug_msg.sh: Update accordingly.
2093
2094 2011-04-14 Cary Coutant  <ccoutant@google.com>
2095
2096         * gold/layout.cc (Layout::symtab_section_offset): New function.
2097         * gold/layout.h (Layout::symtab_section_offset): New function.
2098         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2099
2100 2011-04-12  Ian Lance Taylor  <iant@google.com>
2101
2102         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2103         with MREMAP_MAYMOVE.
2104         * output.h (class Output_file): Add map_is_allocated_ field.
2105         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2106         not available, provide stubs.  If mremap is not available, #define
2107         it to gold_mremap.
2108         (MREMAP_MAYMOVE): Define if not defined.
2109         (Output_file::Output_file): Initialize map_is_allocated_.
2110         (Output_file::resize): Check map_is_allocated_.
2111         (Output_file::map_anonymous): If mmap fails, use malloc.
2112         (Output_file::unmap): Don't do anything for an anonymous map.
2113         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2114         is not available, provide stubs.
2115         (File_read::View::~View): Use free rather than delete[].
2116         (File_read::make_view): Use malloc rather than new[].  If mmap
2117         fails, use malloc.
2118         (File_read::find_or_make_view): Use malloc rather than new[].
2119         * gold.h: Remove HAVE_REMAP code.
2120         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2121         exists.  Rename mremap to gold_mremap.  If mmap is not available
2122         don't do anything.
2123         * configure, config.in: Rebuild.
2124
2125 2011-04-11  Ian Lance Taylor  <iant@google.com>
2126
2127         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2128         initialize local variable v.
2129
2130 2011-04-11  Cary Coutant  <ccoutant@google.com>
2131
2132         * archive.cc (Archive::include_member): Adjust call to
2133         report_object.
2134         (Add_archive_symbols::run): Track argument serial numbers.
2135         (Lib_group::include_member): Likewise.
2136         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2137         * archive.h (Incremental_archive_entry::Archive_member):
2138         Initialize arg_serial_.
2139         (Archive_member::arg_serial_): New data member.
2140         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2141         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2142         incremental link.
2143         (Sized_dynobj::do_for_all_local_got_entries): New function.
2144         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2145         function.
2146         * fileread.cc (get_mtime): New function.
2147         * fileread.h (get_mtime): New function.
2148         * gold.cc (queue_initial_tasks): Check for incremental update.
2149         (process_incremental_input): New function.
2150         (queue_middle_tasks): Don't force valid target for incremental
2151         update.
2152         * incremental-dump.cc (find_input_containing_global): Adjust
2153         size of symbol info entry.
2154         (dump_incremental_inputs): Dump argument serial number and
2155         in_system_directory flag; bias shndx by 1; print symbol names
2156         when dumping per-file symbol lists; use new symbol info readers.
2157         * incremental.cc
2158         (Output_section_incremental_inputs:update_data_size): New function.
2159         (Sized_incremental_binary::setup_readers): Setup input readers
2160         for each input file; build maps for files added from libraries
2161         and scripts.
2162         (Sized_incremental_binary::check_input_args): New function.
2163         (Sized_incremental_binary::do_check_inputs): Build map of argument
2164         serial numbers to input arguments.
2165         (Sized_incremental_binary::do_file_has_changed): Rename
2166         do_file_is_unchanged to this; compare file modification times.
2167         (Sized_incremental_binary::do_init_layout): New function.
2168         (Sized_incremental_binary::do_reserve_layout): New function.
2169         (Sized_incremental_binary::do_get_input_reader): Remove.
2170         (Sized_incremental_binary::get_symtab_view): New function.
2171         (Incremental_checker::can_incrementally_link_output_file): Remove.
2172         (Incremental_inputs::report_command_line): Exclude --debug options.
2173         (Incremental_inputs::report_archive_begin): Add parameter; track
2174         argument serial numbers; don't put input file entry for archive
2175         before archive members.
2176         (Incremental_inputs::report_archive_end): Put input file entry
2177         for archive after archive members.
2178         (Incremental_inputs::report_object): Add parameter; track argument
2179         serial numbers and in_system_directory flag.
2180         (Incremental_inputs::report_script): Add parameter; track argument
2181         serial numbers.
2182         (Output_section_incremental_inputs::set_final_data_size): Adjust
2183         size of symbol info entry; check for forwarding symbols.
2184         (Output_section_incremental_inputs::write_input_files): Write
2185         in_system_directory flag and argument serial number.
2186         (Output_section_incremental_inputs::write_info_blocks): Map section
2187         indices between incremental info and original input file; store
2188         input section index for each symbol.
2189         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2190         change operator() to visit().
2191         (class Global_got_offset_visitor): Likewise.
2192         (class Global_symbol_visitor_got_plt):
2193         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2194         classes.
2195         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2196         (Sized_incr_relobj::do_read_symbols): New function.
2197         (Sized_incr_relobj::do_layout): New function.
2198         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2199         (Sized_incr_relobj::do_add_symbols): New function.
2200         (Sized_incr_relobj::do_should_include_member): New function.
2201         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2202         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2203         (Sized_incr_relobj::do_section_size): New function.
2204         (Sized_incr_relobj::do_section_name): New function.
2205         (Sized_incr_relobj::do_section_contents): New function.
2206         (Sized_incr_relobj::do_section_flags): New function.
2207         (Sized_incr_relobj::do_section_entsize): New function.
2208         (Sized_incr_relobj::do_section_address): New function.
2209         (Sized_incr_relobj::do_section_type): New function.
2210         (Sized_incr_relobj::do_section_link): New function.
2211         (Sized_incr_relobj::do_section_info): New function.
2212         (Sized_incr_relobj::do_section_addralign): New function.
2213         (Sized_incr_relobj::do_initialize_xindex): New function.
2214         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2215         (Sized_incr_relobj::do_read_relocs): New function.
2216         (Sized_incr_relobj::do_gc_process_relocs): New function.
2217         (Sized_incr_relobj::do_scan_relocs): New function.
2218         (Sized_incr_relobj::do_count_local_symbols): New function.
2219         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2220         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2221         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2222         (Sized_incr_relobj::do_relocate): New function.
2223         (Sized_incr_relobj::do_set_section_offset): New function.
2224         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2225         (Sized_incr_dynobj::do_read_symbols): New function.
2226         (Sized_incr_dynobj::do_layout): New function.
2227         (Sized_incr_dynobj::do_add_symbols): New function.
2228         (Sized_incr_dynobj::do_should_include_member): New function.
2229         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2230         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2231         (Sized_incr_dynobj::do_section_size): New function.
2232         (Sized_incr_dynobj::do_section_name): New function.
2233         (Sized_incr_dynobj::do_section_contents): New function.
2234         (Sized_incr_dynobj::do_section_flags): New function.
2235         (Sized_incr_dynobj::do_section_entsize): New function.
2236         (Sized_incr_dynobj::do_section_address): New function.
2237         (Sized_incr_dynobj::do_section_type): New function.
2238         (Sized_incr_dynobj::do_section_link): New function.
2239         (Sized_incr_dynobj::do_section_info): New function.
2240         (Sized_incr_dynobj::do_section_addralign): New function.
2241         (Sized_incr_dynobj::do_initialize_xindex): New function.
2242         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2243         (make_sized_incremental_object): New function.
2244         (Incremental_library::copy_unused_symbols): New function.
2245         (Incremental_library::do_for_all_unused_symbols): New function.
2246         * incremental.h (enum Incremental_input_flags): New type.
2247         (class Incremental_checker): Remove.
2248         (Incremental_input_entry::Incremental_input_entry): Add argument
2249         serial number.
2250         (Incremental_input_entry::arg_serial): New function.
2251         (Incremental_input_entry::set_is_in_system_directory): New function.
2252         (Incremental_input_entry::is_in_system_directory): New function.
2253         (Incremental_input_entry::arg_serial_): New data member.
2254         (Incremental_input_entry::is_in_system_directory_): New data member.
2255         (class Script_info): Move here from script.h.
2256         (Script_info::Script_info): Add filename parameter.
2257         (Script_info::filename): New function.
2258         (Script_info::filename_): New data member.
2259         (Incremental_script_entry::Incremental_script_entry): Add argument
2260         serial number.
2261         (Incremental_object_entry::Incremental_object_entry): Likewise.
2262         (Incremental_object_entry::add_input_section): Build list of input
2263         sections with map to original shndx.
2264         (Incremental_object_entry::get_input_section_index): New function.
2265         (Incremental_object_entry::shndx_): New data member.
2266         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2267         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2268         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2269         serial number.
2270         (Incremental_inputs::report_archive_begin): Likewise.
2271         (Incremental_inputs::report_object): Likewise.
2272         (Incremental_inputs::report_script): Likewise.
2273         (class Incremental_global_symbol_reader): New class.
2274         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2275         and store flags and input file type.
2276         (Incremental_input_entry_reader::arg_serial): New function.
2277         (Incremental_input_entry_reader::type): Extract type from flags.
2278         (Incremental_input_entry_reader::is_in_system_directory): New function.
2279         (Incremental_input_entry_reader::get_input_section_count): Call
2280         accessor function for type.
2281         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2282         function for type; adjust size of global symbol entry.
2283         (Incremental_input_entry_reader::get_global_symbol_count): Call
2284         accessor function for type.
2285         (Incremental_input_entry_reader::get_object_count): Likewise.
2286         (Incremental_input_entry_reader::get_object_offset): Likewise.
2287         (Incremental_input_entry_reader::get_member_count): Likewise.
2288         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2289         (Incremental_input_entry_reader::get_member_offset): Likewise.
2290         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2291         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2292         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2293         (Incremental_input_entry_reader::get_global_symbol_reader): New
2294         function.
2295         (Incremental_input_entry_reader::get_output_symbol_index): New
2296         function.
2297         (Incremental_input_entry_reader::type_): Remove.
2298         (Incremental_input_entry_reader::flags_): New data member.
2299         (Incremental_inputs_reader::input_file_offset): New function.
2300         (Incremental_inputs_reader::input_file_index): New function.
2301         (Incremental_inputs_reader::input_file): Call input_file_offset.
2302         (Incremental_inputs_reader::input_file_at_offset): New function.
2303         (Incremental_relocs_reader::get_r_type): Reformat.
2304         (Incremental_relocs_reader::get_r_shndx): Reformat.
2305         (Incremental_relocs_reader::get_r_offset): Reformat.
2306         (Incremental_relocs_reader::data): New function.
2307         (Incremental_binary::Incremental_binary): Initialize new data members.
2308         (Incremental_binary::check_inputs): Add cmdline parameter.
2309         (Incremental_binary::file_is_unchanged): Remove.
2310         (Input_reader::arg_serial): New function.
2311         (Input_reader::get_unused_symbol_count): New function.
2312         (Input_reader::get_unused_symbol): New function.
2313         (Input_reader::do_arg_serial): New function.
2314         (Input_reader::do_get_unused_symbol_count): New function.
2315         (Input_reader::do_get_unused_symbol): New function.
2316         (Incremental_binary::input_file_count): New function.
2317         (Incremental_binary::get_input_reader): Change signature to use
2318         index instead of filename.
2319         (Incremental_binary::file_has_changed): New function.
2320         (Incremental_binary::get_input_argument): New function.
2321         (Incremental_binary::get_library): New function.
2322         (Incremental_binary::get_script_info): New function.
2323         (Incremental_binary::init_layout): New function.
2324         (Incremental_binary::reserve_layout): New function.
2325         (Incremental_binary::output_file): New function.
2326         (Incremental_binary::do_check_inputs): New function.
2327         (Incremental_binary::do_file_is_unchanged): Remove.
2328         (Incremental_binary::do_file_has_changed): New function.
2329         (Incremental_binary::do_init_layout): New function.
2330         (Incremental_binary::do_reserve_layout): New function.
2331         (Incremental_binary::do_input_file_count): New function.
2332         (Incremental_binary::do_get_input_reader): Change signature.
2333         (Incremental_binary::input_args_map_): New data member.
2334         (Incremental_binary::library_map_): New data member.
2335         (Incremental_binary::script_map_): New data member.
2336         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2337         new data members.
2338         (Sized_incremental_binary::output_section): New function.
2339         (Sized_incremental_binary::inputs_reader): Add const.
2340         (Sized_incremental_binary::symtab_reader): Add const.
2341         (Sized_incremental_binary::relocs_reader): Add const.
2342         (Sized_incremental_binary::got_plt_reader): Add const.
2343         (Sized_incremental_binary::get_symtab_view): New function.
2344         (Sized_incremental_binary::Inputs_reader): New typedef.
2345         (Sized_incremental_binary::Input_entry_reader): New typedef.
2346         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2347         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2348         (Sized_incremental_binary::do_file_has_changed): New function.
2349         (Sized_incremental_binary::do_init_layout): New function.
2350         (Sized_incremental_binary::do_reserve_layout): New function.
2351         (Sized_input_reader::Inputs_reader): Remove.
2352         (Sized_input_reader::Input_entry_reader): Remove.
2353         (Sized_input_reader::do_arg_serial): New function.
2354         (Sized_input_reader::do_get_unused_symbol_count): New function.
2355         (Sized_input_reader::do_get_unused_symbol): New function.
2356         (Sized_incremental_binary::do_input_file_count): New function.
2357         (Sized_incremental_binary::do_get_input_reader): Change signature;
2358         use index instead of filename.
2359         (Sized_incremental_binary::section_map_): New data member.
2360         (Sized_incremental_binary::input_entry_readers_): New data member.
2361         (class Sized_incr_relobj): New class.
2362         (class Sized_incr_dynobj): New class.
2363         (make_sized_incremental_object): New function.
2364         (class Incremental_library): New class.
2365         * layout.cc (Free_list::num_lists): New static data member.
2366         (Free_list::num_nodes): New static data member.
2367         (Free_list::num_removes): New static data member.
2368         (Free_list::num_remove_visits): New static data member.
2369         (Free_list::num_allocates): New static data member.
2370         (Free_list::num_allocate_visits): New static data member.
2371         (Free_list::init): New function.
2372         (Free_list::remove): New function.
2373         (Free_list::allocate): New function.
2374         (Free_list::dump): New function.
2375         (Free_list::print_stats): New function.
2376         (Layout_task_runner::run): Resize output file for incremental updates.
2377         (Layout::Layout): Initialize new data members.
2378         (Layout::set_incremental_base): New function.
2379         (Layout::init_fixed_output_section): New function.
2380         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2381         incremental updates.
2382         (Layout::create_gold_note): Do not create gold note section for
2383         incremental updates.
2384         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2385         for incremental updates.
2386         (Layout::set_section_offsets): For incremental updates, allocate space
2387         from free list.
2388         (Layout::create_symtab_sections): Layout with offsets relative to
2389         start of section; for incremental updates, allocate space from free
2390         list.
2391         (Layout::create_shdrs): For incremental updates, allocate space from
2392         free list.
2393         (Layout::finish_dynamic_section): For incremental updates, do not
2394         check --as-needed (fixed in subsequent patch).
2395         * layout.h (class Free_list): New class.
2396         (Layout::set_incremental_base): New function.
2397         (Layout::incremental_base): New function.
2398         (Layout::init_fixed_output_section): New function.
2399         (Layout::allocate): New function.
2400         (Layout::incremental_base_): New data member.
2401         (Layout::free_list_): New data member.
2402         * main.cc (main): Print Free_list statistics.
2403         * object.cc (Relobj::finalize_incremental_relocs): Add
2404         clear_counts parameter; clear counts only when clear_counts is set.
2405         (Sized_relobj::Sized_relobj): Initialize new base class.
2406         (Sized_relobj::do_layout): Don't report special sections.
2407         (Sized_relobj::do_for_all_local_got_entries): New function.
2408         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2409         symtab_off to all symbol table offsets.
2410         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2411         * object.h (class Got_offset_list): Move to top of file.
2412         (Object::Object): Allow case where input_file == NULL.
2413         (Object::~Object): Likewise.
2414         (Object::input_file): Assert that input_file != NULL.
2415         (Object::lock): Allow case where input_file == NULL.
2416         (Object::unlock): Likewise.
2417         (Object::is_locked): Likewise.
2418         (Object::token): Likewise.
2419         (Object::release): Likewise.
2420         (Object::is_incremental): New function.
2421         (Object::get_mtime): New function.
2422         (Object::for_all_local_got_entries): New function.
2423         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2424         (Object::set_is_in_system_directory): New function.
2425         (Object::is_in_system_directory): New function.
2426         (Object::do_is_incremental): New function.
2427         (Object::do_get_mtime): New function.
2428         (Object::do_for_all_local_got_entries): New function.
2429         (Object::is_in_system_directory_): New data member.
2430         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2431         (class Sized_relobj_base): New class.
2432         (class Sized_relobj): Derive from Sized_relobj_base.
2433         (class Sized_relobj::Symbols): Redeclare from base class.
2434         (class Sized_relobj::local_got_offset_list): Remove.
2435         (class Sized_relobj::Output_sections): Redeclare from base class.
2436         (class Sized_relobj::do_for_all_local_got_entries): New function.
2437         (class Sized_relobj::write_local_symbols): Add offset parameter.
2438         (class Sized_relobj::local_symbol_offset_): Update comment.
2439         (class Sized_relobj::local_dynsym_offset_): Update comment.
2440         * options.cc (Input_arguments::add_file): Remove const.
2441         * options.h (Input_file_argument::Input_file_argument):
2442         Initialize arg_serial_ (all constructors).
2443         (Input_file_argument::set_arg_serial): New function.
2444         (Input_file_argument::arg_serial): New function.
2445         (Input_file_argument::arg_serial_): New data member.
2446         (Input_arguments::Input_arguments): Initialize file_count_.
2447         (Input_arguments::add_file): Remove const.
2448         (Input_arguments::number_of_input_files): New function.
2449         (Input_arguments::file_count_): New data member.
2450         (Command_line::number_of_input_files): Call
2451         Input_arguments::number_of_input_files.
2452         * output.cc (Output_segment_headers::Output_segment_headers):
2453         Set current size.
2454         (Output_section::Input_section::current_data_size): New function.
2455         (Output_section::Output_section): Initialize new data members.
2456         (Output_section::add_input_section): Don't do merge sections for
2457         an incremental link; allocate space from free list for an
2458         incremental update.
2459         (Output_section::add_output_section_data): Allocate space from
2460         free list for an incremental update.
2461         (Output_section::update_data_size): New function.
2462         (Output_section::set_fixed_layout): New function.
2463         (Output_section::reserve): New function.
2464         (Output_segment::set_section_addresses): Remove const.
2465         (Output_segment::set_section_list_addresses): Remove const; allocate
2466         space from free list for an incremental update.
2467         (Output_segment::set_offset): Adjust size of RELRO segment for an
2468         incremental update.
2469         * output.h (Output_data::current_data_size): Move here from
2470         child classes.
2471         (Output_data::pre_finalize_data_size): New function.
2472         (Output_data::update_data_size): New function.
2473         (Output_section_headers::update_data_size): new function.
2474         (Output_section_data_build::current_data_size): Move to Output_data.
2475         (Output_data_strtab::update_data_size): New function.
2476         (Output_section::current_data_size): Move to Output_data.
2477         (Output_section::set_fixed_layout): New function.
2478         (Output_section::has_fixed_layout): New function.
2479         (Output_section::reserve): New function.
2480         (Output_section::update_data_size): New function.
2481         (Output_section::has_fixed_layout_): New data member.
2482         (Output_section::free_list_): New data member.
2483         (Output_segment::set_section_addresses): Remove const.
2484         (Output_segment::set_section_list_addresses): Remove const.
2485         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2486         New function.
2487         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2488         New function.
2489         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2490         parameter when calling Add_symbols constructor; store argument
2491         serial number for members of a lib group.
2492         (Add_symbols::locks): Allow case where token == NULL.
2493         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2494         (Read_member::~Read_member): New function.
2495         (Read_member::is_runnable): New function.
2496         (Read_member::locks): New function.
2497         (Read_member::run): New function.
2498         (Check_script::~Check_script): New function.
2499         (Check_script::is_runnable): New function.
2500         (Check_script::locks): New function.
2501         (Check_script::run): New function.
2502         (Check_library::~Check_library): New function.
2503         (Check_library::is_runnable): New function.
2504         (Check_library::locks): New function.
2505         (Check_library::run): New function.
2506         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2507         (Add_symbols::library_): New data member.
2508         (class Read_member): New class.
2509         (class Check_script): New class.
2510         (class Check_library): New class.
2511         * reloc.cc (Read_relocs::is_runnable): Allow case where
2512         token == NULL.
2513         (Read_relocs::locks): Likewise.
2514         (Scan_relocs::locks): Likewise.
2515         (Relocate_task::locks): Likewise.
2516         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2517         to clear counters.
2518         (Sized_relobj::incremental_relocs_scan): Fix comment.
2519         (Sized_relobj::do_relocate): Pass output file offset to
2520         write_local_symbols.
2521         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2522         from class declaration.
2523         * script.cc (read_input_script): Allocate Script_info; pass
2524         argument serial number to report_script.
2525         * script.h (class Script_info): Move to incremental.h.
2526         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2527         * symtab.h (Symbol_table::add_from_incrobj): New function.
2528         (Symbol_table::set_file_offset): New function.
2529
2530 2011-04-05  Cary Coutant  <ccoutant@google.com>
2531
2532         * incremental-dump.cc (dump_incremental_inputs): Change signature
2533         to take a Sized_incremental_binary; change caller.  Use readers
2534         in Sized_incremental_binary.
2535         * incremental.cc
2536         (Sized_incremental_binary::find_incremental_inputs_sections):
2537         Rename do_find_incremental_inputs_sections to this.
2538         (Sized_incremental_binary::setup_readers): New function.
2539         (Sized_incremental_binary::do_check_inputs): Check
2540         has_incremental_info_ flag; move setup code to setup_readers;
2541         use input readers.
2542         (Sized_incremental_binary::do_file_is_unchanged): New function.
2543         (Sized_incremental_binary::do_get_input_reader): New function.
2544         * incremental.h (class Incremental_binary): Move to end of file.
2545         (Incremental_binary::file_is_unchanged): New function.
2546         (Incremental_binary::do_file_is_unchanged): New function.
2547         (Incremental_binary::Input_reader): New class.
2548         (Incremental_binary::get_input_reader): New function.
2549         (class Sized_incremental_binary): Move to end of file.
2550         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2551         input section reader classes.
2552         (Sized_incremental_binary::has_incremental_info): New function.
2553         (Sized_incremental_binary::inputs_reader): New function.
2554         (Sized_incremental_binary::symtab_reader): New function.
2555         (Sized_incremental_binary::relocs_reader): New function.
2556         (Sized_incremental_binary::got_plt_reader): New function.
2557         (Sized_incremental_binary::do_file_is_unchanged): New function.
2558         (Sized_incremental_binary::Sized_input_reader): New class.
2559         (Sized_incremental_binary::get_input_reader): New function.
2560         (Sized_incremental_binary::find_incremental_inputs_sections):
2561         Rename do_find_incremental_inputs_sections to this.
2562         (Sized_incremental_binary::setup_readers): New function.
2563         (Sized_incremental_binary::has_incremental_info_): New data member.
2564         (Sized_incremental_binary::inputs_reader_): New data member.
2565         (Sized_incremental_binary::symtab_reader_): New data member.
2566         (Sized_incremental_binary::relocs_reader_): New data member.
2567         (Sized_incremental_binary::got_plt_reader_): New data member.
2568         (Sized_incremental_binary::current_input_file_): New data member.
2569
2570 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2571
2572         PR gold/12640
2573         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2574         violation.
2575
2576 2011-03-30  Cary Coutant  <ccoutant@google.com>
2577
2578         * archive.cc (Archive::include_member): Adjust call to report_object.
2579         (Add_archive_symbols::run): Add script_info to call to
2580         report_archive_begin.
2581         (Lib_group::include_member): Adjust call to report_object.
2582         (Add_lib_group_symbols::run): Adjust call to report_object.
2583         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2584         blocks.  Add object count for script input files.
2585         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2586         script_info parameter; change all callers.
2587         (Incremental_inputs::report_object): Add script_info parameter;
2588         change all callers.
2589         (Incremental_inputs::report_script): Store backpointer to
2590         incremental info entry.
2591         (Output_section_incremental_inputs::set_final_data_size): Record
2592         additional information for scripts.
2593         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2594         * incremental.h (Incremental_script_entry::add_object): New function.
2595         (Incremental_script_entry::get_object_count): New function.
2596         (Incremental_script_entry::get_object): New function.
2597         (Incremental_script_entry::objects_): New data member; adjust
2598         constructor.
2599         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2600         (Incremental_inputs::report_object): Add script_info parameter.
2601         (Incremental_inputs_reader::get_object_count): New function.
2602         (Incremental_inputs_reader::get_object_offset): New function.
2603         * options.cc (Input_arguments::add_file): Return reference to
2604         new input argument.
2605         * options.h (Input_argument::set_script_info): New function.
2606         (Input_argument::script_info): New function.
2607         (Input_argument::script_info_): New data member; adjust all
2608         constructors.
2609         (Input_file_group::add_file): Return reference to new input argument.
2610         (Input_file_lib::add_file): Likewise.
2611         (Input_arguments::add_file): Likewise.
2612         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2613         * script.cc (Parser_closure::Parser_closure): Add script_info
2614         parameter; adjust all callers.
2615         (Parser_closure::script_info): New function.
2616         (Parser_closure::script_info_): New data member.
2617         (read_input_script): Report scripts earlier to incremental info.
2618         (script_add_file): Set script_info in Input_argument.
2619         (script_add_library): Likewise.
2620         * script.h (Script_options::Script_info): Rewrite class.
2621
2622 2011-03-29  Cary Coutant  <ccoutant@google.com>
2623
2624         * archive.cc (Library_base::should_include_member): Move
2625         method here from class Archive.
2626         (Archive::Archive): Initialize base class.
2627         (Archive::should_include_member): Move to base class.
2628         (Archive::do_for_all_unused_symbols): New function.
2629         (Add_archive_symbols::run): Remove redundant access to
2630         incremental_inputs.
2631         (Lib_group::Lib_group): Initialize base class.
2632         (Lib_group::do_filename): New function.
2633         (Lib_group::include_member): Pass pointer to Lib_group to
2634         report_object.
2635         (Lib_group::do_for_all_unused_symbols): New function.
2636         (Add_lib_group_symbols::run): Report archive information for
2637         incremental links.
2638         * archive.h (class Library_base): New base class.
2639         (class Archive): Derive from Library_base.
2640         (Archive::filename): Move to base class.
2641         (Archive::set_incremental_info): Likewise.
2642         (Archive::incremental_info): Likewise.
2643         (Archive::Should_include): Likewise.
2644         (Archive::should_include_member): Likewise.
2645         (Archive::Armap_entry): Remove.
2646         (Archive::Unused_symbol_iterator): Remove.
2647         (Archive::unused_symbols_begin): Remove.
2648         (Archive::unused_symbols_end): Remove.
2649         (Archive::do_filename): New function.
2650         (Archive::do_get_mtime): New function.
2651         (Archive::do_for_all_unused_symbols): New function.
2652         (Archive::task_): Move to base class.
2653         (Archive::incremental_info_): Likewise.
2654         (class Lib_group): Derive from Library_base.
2655         (Lib_group::do_filename): New function.
2656         (Lib_group::do_get_mtime): New function.
2657         (Lib_group::do_for_all_unused_symbols): New function.
2658         (Lib_group::task_): Move to base class.
2659         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2660         function.
2661         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2662         function.
2663         * incremental.cc (Incremental_inputs::report_archive_begin):
2664         Use Library_base; call library's get_mtime; add incremental inputs
2665         entry before members.
2666         (class Unused_symbol_visitor): New class.
2667         (Incremental_inputs::report_archive_end): Use Library_base; use
2668         visitor class to record unused symbols; don't add incremental inputs
2669         entry after members.
2670         (Incremental_inputs::report_object): Use Library_base.
2671         * incremental.h
2672         (Incremental_archive_entry::Incremental_archive_entry): Remove
2673         unused Archive parameter.
2674         (Incremental_inputs::report_archive_begin): Use Library_base.
2675         (Incremental_inputs::report_archive_end): Likewise.
2676         (Incremental_inputs::report_object): Likewise.
2677         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2678         function.
2679         * object.h (Object::for_all_global_symbols): New function.
2680         (Object::do_for_all_global_symbols): New function.
2681         (Sized_relobj::do_for_all_global_symbols): New function.
2682         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2683         function.
2684         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2685         function.
2686
2687 2011-03-27  Ian Lance Taylor  <iant@google.com>
2688
2689         * archive.cc (Archive::interpret_header): Return -1 if something
2690         goes wrong.  Change callers accordingly.
2691
2692 2011-03-25  Cary Coutant  <ccoutant@google.com>
2693
2694         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2695         * testsuite/Makefile.in: Regenerate.
2696
2697 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2698
2699         * plugin.cc (get_view): New.
2700         (Plugin::load): Pass get_view to the plugin.
2701         (Plugin_manager::get_view): New.
2702
2703 2011-03-21  Ian Lance Taylor  <iant@google.com>
2704
2705         * testsuite/final_layout.sh: Rewrite to not use dc.
2706         * testsuite/relro_test.sh: Fail if dc is not present.
2707
2708 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2709
2710         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2711         Change == to -eq.
2712         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2713         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2714         Change == to -eq.
2715         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2716         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2717
2718 2011-03-14  Ian Lance Taylor  <iant@google.com>
2719
2720         * script-sections.cc (Sort_output_sections::script_compare):
2721         Rename from is_before, change return type.
2722         (Sort_output_sections::operator()): Adjust accordingly.
2723
2724 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2725
2726         PR gold/12572
2727         * testsuite/odr_violation2.cc: Add comment to make all error line
2728         numbers double digits.
2729         * testsuite/debug_msg.sh: Adjust expected errors.
2730
2731 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2732
2733         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2734         but mark earlier ones as non-canonical
2735         (offset_to_iterator): Update search target and example
2736         (do_addr2line): Return extra lines in a vector*
2737         (format_file_lineno): Extract from do_addr2line
2738         (one_addr2line): Add vector* out-param
2739         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2740         when a lineno entry appeared last for its instruction
2741         (Dwarf_line_info): Add vector* out-param
2742         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2743         * symtab.cc (Odr_violation_compare): Include the lineno in the
2744         comparison again.
2745         (linenos_from_loc): New. Combine the canonical line for an
2746         address with its other lines.
2747         (True_if_intersect): New. Helper functor to make
2748         std::set_intersection a query.
2749         (detect_odr_violations): Compare sets of lines instead of just
2750         one line for each function. This became less deterministic, but
2751         has fewer false positives.
2752         * symtab.h: Declarations.
2753         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2754         mix an optimized and non-optimized object in the same binary
2755         (odr_violation2.so): Same.
2756         * testsuite/Makefile.in: Regenerate from Makefile.am.
2757         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2758         * testsuite/debug_msg.sh: Update line numbers and add
2759         assertions.
2760         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2761         non-optimized context.
2762         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2763         isn't inlined, and use OdrDerived in an optimized context.
2764         * testsuite/odr_header1.h: Defines OdrDerived, where
2765         optimization will change the
2766         first-instruction-in-the-destructor's file and line number.
2767         * testsuite/odr_header2.h: Defines OdrBase.
2768
2769 2011-03-09  Ian Lance Taylor  <iant@google.com>
2770
2771         * fileread.cc (File_read::clear_views): Don't delete the whole
2772         file view.
2773
2774 2011-03-08  Ian Lance Taylor  <iant@google.com>
2775
2776         PR gold/12525
2777         * fileread.cc: #include <climits>.
2778         (GOLD_IOV_MAX): Define.
2779         (File_read::read_multiple): Limit number of entries by iov_max.
2780         * fileread.h (class File_read): Always set max_readv_entries to
2781         128.
2782
2783 2011-03-07  Ian Lance Taylor  <iant@google.com>
2784
2785         PR gold/12525
2786         * options.h (class General_options): Add -dy and -dn.
2787
2788 2011-03-02  Cary Coutant  <ccoutant@google.com>
2789
2790         * testsuite/script_test_9.t: Add TLS segment.
2791
2792 2011-03-02  Simon Baldwin  <simonb@google.com>
2793
2794         * configure.ac: Add check for gnu_indirect_function support in
2795         the toolchain building binutils.
2796         * configure: Rebuild.
2797
2798 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2799
2800         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2801         plugin only symbols.
2802         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2803         in plugin files as not needed in the symbol table.
2804
2805 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2806
2807         * output.cc (Output_section::add_input_section): Delay fill
2808         generation for section ordering.
2809
2810 2011-02-09  Ian Lance Taylor  <iant@google.com>
2811
2812         PR gold/12316
2813         * object.h (class Sized_relobj): Remove clear_local_symbols.
2814         * reloc.cc (Sized_relobj::do_relocate): Don't call
2815         clear_local_symbols.
2816
2817 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2818
2819         * plugin.cc (is_visible_from_outside): Return true for symbols
2820         in the -u option.
2821
2822 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2823
2824         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2825         filename.
2826
2827 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2828
2829         * icf.h (is_section_foldable_candidate): Change type of parameter
2830         to std::string.
2831         * icf.cc (Icf::find_identical_sections): Change type of local variable
2832         section_name to be std::string.
2833         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2834
2835 2011-01-25  Ian Lance Taylor  <iant@google.com>
2836
2837         * script.cc (script_add_extern): Rewrite to use
2838         add_symbol_reference.
2839
2840 2011-01-25  Doug Kwan  <dougkwan@google.com>
2841
2842         * icf.cc (get_section_contents): Always lock section's object.
2843
2844 2011-01-24  Ian Lance Taylor  <iant@google.com>
2845
2846         * options.h (class General_options): Accept
2847         --no-detect-odr-violations.
2848
2849 2011-01-24  Ian Lance Taylor  <iant@google.com>
2850
2851         * version.cc (version_string): Bump to 1.11.
2852
2853 2011-01-24  Ian Lance Taylor  <iant@google.com>
2854
2855         * plugin.cc (class Plugin_rescan): Define new class.
2856         (Plugin_manager::claim_file): Set any_claimed_.
2857         (Plugin_manager::save_archive): New function.
2858         (Plugin_manager::save_input_group): New function.
2859         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2860         necessary.
2861         (Plugin_manager::new_undefined_symbol): New function.
2862         (Plugin_manager::rescan): New function.
2863         (Plugin_manager::rescannable_defines): New function.
2864         (Plugin_manager::add_input_file): Set any_added_.
2865         * plugin.h (class Plugin_manager): define new fields rescannable_,
2866         undefined_symbols_, any_claimed_, and any_added_.  Declare
2867         Plugin_rescan as friend.  Declare new functions.
2868         (Plugin_manager::Rescannable): Define type.
2869         (Plugin_manager::Rescannable_list): Define type.
2870         (Plugin_manager::Undefined_symbol_list): Define type.
2871         (Plugin_manager::Plugin_manager): Initialize new fields.
2872         * archive.cc (Archive::defines_symbol): New function.
2873         (Add_archive_symbols::run): Pass archive to plugins if any.
2874         * archive.h (class Archive): Declare defines_symbol.
2875         * readsyms.cc (Input_group::~Input_group): New function.
2876         (Finish_group::run): Pass input_group to plugins if any.
2877         * readsyms.h (class Input_group): Declare destructor.
2878         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2879         any.
2880
2881 2011-01-10  Ian Lance Taylor  <iant@google.com>
2882
2883         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2884         section as relro.
2885         (Layout::set_segment_offsets): Reset increase_relro before calling
2886         set_section_addresses a second time.
2887
2888 2011-01-04  Cary Coutant  <ccoutant@google.com>
2889
2890         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2891         sections before NOBITS sections.
2892
2893 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2894
2895         * version.cc (print_version): Update copyright to 2011.
2896
2897 2010-12-23  Cary Coutant  <ccoutant@google.com>
2898
2899         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2900         of OS to this->add.  Add OD parameter to second form of the function.
2901
2902 2010-12-20  Ian Lance Taylor  <iant@google.com>
2903
2904         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2905         second of two consecutive entries with same offset.
2906
2907 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2908
2909         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2910         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2911         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2912         to avoid unneeded links against $(LDADD).
2913         * testsuite/Makefile.in: Regenerate.
2914
2915 2010-12-15  Ian Lance Taylor  <iant@google.com>
2916
2917         PR gold/12324
2918         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2919         for R_X86_64_32 and R_X86_64_PC32.
2920         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2921         ver_matching_def_pic.o.
2922         (ver_matching_def_pic.o): New target.
2923
2924 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2925
2926         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2927         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2928         Move definition before File_read::View member definitions.
2929         (File_read::View::~View): Initialize and hold lock before
2930         updating current_mapped_bytes.
2931
2932 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2933
2934         * dwarf_reader.cc: Remove outdated comment.
2935         * gold-threads.cc: Fix typo in error message.
2936         * archive.cc: Fix typos in comments.
2937         * archive.h: Likewise.
2938         * arm-reloc-property.cc: Likewise.
2939         * arm-reloc-property.h: Likewise.
2940         * arm-reloc.def: Likewise.
2941         * arm.cc: Likewise.
2942         * attributes.h: Likewise.
2943         * cref.cc: Likewise.
2944         * ehframe.cc: Likewise.
2945         * fileread.h: Likewise.
2946         * gold.h: Likewise.
2947         * i386.cc: Likewise.
2948         * icf.cc: Likewise.
2949         * incremental.h: Likewise.
2950         * int_encoding.cc: Likewise.
2951         * layout.h: Likewise.
2952         * main.cc: Likewise.
2953         * merge.h: Likewise.
2954         * object.cc: Likewise.
2955         * object.h: Likewise.
2956         * options.cc: Likewise.
2957         * readsyms.cc: Likewise.
2958         * reduced_debug_output.cc: Likewise.
2959         * reloc.cc: Likewise.
2960         * script-sections.cc: Likewise.
2961         * sparc.cc: Likewise.
2962         * symtab.h: Likewise.
2963         * target-reloc.h: Likewise.
2964         * target.cc: Likewise.
2965         * target.h: Likewise.
2966         * timer.cc: Likewise.
2967         * timer.h: Likewise.
2968         * x86_64.cc: Likewise.
2969
2970 2010-12-09  Cary Coutant  <ccoutant@google.com>
2971
2972         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2973         stack.
2974         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2975         parameter; change all callers.
2976         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2977         * options.h (warn_execstack): New option.
2978
2979 2010-12-07  Doug Kwan  <dougkwan@google.com>
2980
2981         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2982         like function call relocations.
2983
2984 2010-12-07  Ian Lance Taylor  <iant@google.com>
2985
2986         * archive.cc (Archive::get_elf_object_for_member): Permit
2987         punconfigured to be NULL.
2988         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2989         (Archive::include_member): Pass NULL to get_elf_object_for_member
2990         if we searched for the archive and this is the first included
2991         object.
2992
2993 2010-12-01  Ian Lance Taylor  <iant@google.com>
2994
2995         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2996         track_relocs_type_ field.
2997         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2998         Set track_relocs_type_.
2999         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3000         contents when using RELA relocs.
3001         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3002         reloc_map_.
3003         * reloc.cc (Track_relocs::next_addend): New function.
3004         * reloc.h (class Track_relocs): Declare next_addend.
3005
3006 2010-12-01  Ian Lance Taylor  <iant@google.com>
3007
3008         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3009         virtual destructor.
3010
3011 2010-12-01  Ian Lance Taylor  <iant@google.com>
3012
3013         * README: Update compilers known to work and fail.
3014
3015 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3016
3017         * configure.in: For --enable-gold, handle value `default' instead of
3018         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3019         not the default.
3020         * configure: Regenerate.
3021
3022 2010-11-18  Doug Kwan  <dougkwan@google.com>
3023
3024         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3025         and right_alignment to be zero.  Store result alignment only if it is
3026         greater than existing alignment.
3027
3028 2010-11-16  Cary Coutant  <ccoutant@google.com>
3029
3030         PR gold/12220
3031         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3032         Check for ".zdebug_line".
3033
3034 2010-11-16  Doug Kwan  <dougkwan@google.com>
3035             Cary Coutant  <ccoutant@google.com>
3036
3037         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3038         by reference; adjust all callers.
3039         * output.cc (Output_segment::set_section_addresses): Adjust references
3040         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3041         list is empty.
3042         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3043         end at page boundary.
3044
3045 2010-11-16  Cary Coutant  <ccoutant@google.com>
3046
3047         PR gold/12220
3048         * layout.cc (Layout::choose_output_section): Transform names of
3049         compressed sections even when using a script with a SECTIONS clause.
3050         (Layout::output_section_name): Remove code to transform
3051         compressed debug section names.
3052         * output.cc (Output_section::add_input_section): Use uncompressed
3053         section size when tracking input sections.
3054
3055 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3056
3057         * symtab.h (Symbol::NON_PIC_REF): Remove.
3058         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3059         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3060         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3061         (Symbol::use_plt_offset): Take a flags argument and pass it
3062         directly to needs_dynamic_reloc.  Restrict check for undefined
3063         weak symbols to function calls.
3064         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3065         (Target_arm::Scan::global): Use it.
3066         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3067         (Target_arm::Relocate::relocate): Likewise.
3068         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3069         parameter with an r_type parameter.  Use get_reference_flags
3070         to get the flags.
3071         (Target_arm::Relocate::relocate): Update accordingly.
3072         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3073         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3074         (Target_i386::Scan::global): Likewise.
3075         (Target_i386::Relocate::relocate): Likewise.
3076         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3077         parameter with an r_type parameter.  Use get_reference_flags
3078         to get the flags.
3079         (Target_i386::Relocate::relocate): Update accordingly.
3080         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3081         (Target_powerpc::Scan::global): Use it.
3082         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3083         (Target_powerpc::Relocate::relocate): Likewise.
3084         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3085         (Target_sparc::Scan::global): Use it.
3086         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3087         (Target_sparc::Relocate::relocate): Likewise.
3088         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3089         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3090         (Target_x86_64::Scan::global): Likewise.
3091         (Target_x86_64::Relocate::relocate): Likewise.
3092
3093 2010-11-08  Doug Kwan  <dougkwan@google.com>
3094             Cary Coutant  <ccoutant@google.com>
3095
3096         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3097         (Arm_exidx_merge_section::section_contents_): New data member.
3098         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3099         (Arm_input_section::~Arm_input_section): De-allocate memory.
3100         (Arm_input_section::original_contents_): New data member.
3101         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3102         in parameters instead of calling Object::section_contents without
3103         locking.
3104         (Arm_output_section::group_section): New parameter TASK.  Pass it
3105         to callees that need locking objects.
3106         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3107         to lock EXIDX input sections.  Fix a formatting issue.  Call
3108         Arm_exidx_merged_section::build_contents to create merged section
3109         contents.
3110         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3111         to lock object of stub table owner.
3112         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3113         TEXT_SIZE to initialize data member TEXT_SIZE_.
3114         (Arm_exidx_input_section::addralign): Fix typo in comment.
3115         (Arm_exidx_input_section::text_size): New method.
3116         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3117         that require locking objects.  Lock objects before scanning for stubs
3118         and updating local symbols.
3119         (Arm_input_section<big_endian>::init): Copy contents of original
3120         input section.
3121         (Arm_input_section<big_endian>::do_write): Use saved contents of
3122         original input section instead of calling Object::section_contents
3123         without locking.
3124         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3125         size without calling Object::section_size().
3126         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3127         for size.  Allocate a buffer for merged EXIDX entries.
3128         (Arm_exidx_merged_section::build_contents): New method.
3129         (Arm_exidx_merged_section::do_write): Move merge section contents
3130         building code to Arm_exidx_merged_section::build_contetns.  Write
3131         out contetns in buffer instead of building it on the fly.
3132         (Arm_relobj::make_exidx_input_section): Also pass text section size
3133         to Arm_exidx_input_section constructor.
3134         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3135         (Arm_dynobj::do_read_symbols): Fix memory leak.
3136         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3137         * target.h: (class Task): Add forward declaration.
3138         (Target::relax): Add new parameter TASK and pass it to
3139         Target::do_relax().
3140         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3141
3142 2010-11-05  Cary Coutant  <ccoutant@google.com>
3143
3144         PR gold/10708
3145         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3146         object when reading from the file.
3147         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3148         second layout pass.
3149         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3150         when reading section contents.
3151         (get_section_contents): Likewise.
3152         (icf::find_identical_sections): Likewise.
3153         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3154         object when reading from the file.
3155         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3156         the object when doing deferred section layout.
3157
3158 2010-11-03  Nick Clifton  <nickc@redhat.com>
3159
3160         PR gold/12001
3161         * script.h (class Symbol_assignment: name): New member.  Returns
3162         the name of the symbol.
3163         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3164         Returns true if the given symbol name is on the list of
3165         assignments wating to be processed.
3166         * archive.cc (should_incldue_member): If the symbol is undefined,
3167         check to see if it is on the list of symbols pending assignment.
3168
3169 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3170
3171         * script-sections.cc (Script_sections::find_memory_region): Check
3172         for a NULL output section pointer.
3173
3174 2010-10-29  Doug Kwan  <dougkwan@google.com>
3175
3176         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3177         Output_section::add_relaxed_input_section.
3178         * output.cc (Output_section::add_relaxed_input_section): Add new
3179         arguments LAYOUT and NAME.  Set section order index.
3180         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3181         Copy section order index.
3182         * output.h (Output_section::add_relaxed_input_section): Add new
3183         arguments LAYOUT and NAME.
3184
3185 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3186
3187         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3188         NATIVE_OR_CROSS_LINKER.
3189         * testsuite/Makefile.in: Regenerate.
3190
3191 2010-10-20  Doug Kwan  <dougkwan@google.com>
3192
3193         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3194         without SHF_LINK_ORDER flags.
3195         * layout.cc (Layout::choose_output_section): Do not filter
3196         SHF_LINK_ORDER flag in a relocatable link.
3197
3198 2010-10-17  Cary Coutant  <ccoutant@google.com>
3199
3200         * output.h (Output_segment::set_section_addresses): Change function
3201         signature.  Update all callers.
3202         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3203         sections.
3204         (Output_segment::set_section_addresses): Align after last TLS
3205         section.  Add padding before last relro section instead of after.
3206
3207 2010-10-17  Doug Kwan  <dougkwan@google.com>
3208
3209         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3210         GOT output section to be writable.
3211
3212 2010-10-14  Cary Coutant  <ccoutant@google.com>
3213
3214         * debug.h (DEBUG_INCREMENTAL): New flag.
3215         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3216         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3217         mode.
3218         * incremental.cc (report_command_line): Ignore all forms of
3219         --incremental.
3220         * layout.cc (Layout::Layout): Check parameters for incremental link
3221         mode.
3222         * options.cc (General_options::parse_incremental): New function.
3223         (General_options::parse_no_incremental): New function.
3224         (General_options::parse_incremental_full): New function.
3225         (General_options::parse_incremental_update): New function.
3226         (General_options::incremental_mode_): New data member.
3227         (General_options::finalize): Check incremental_mode_.
3228         * options.h (General_options): Update help text for --incremental.
3229         Add --no-incremental, --incremental-full, --incremental-update.
3230         (General_options::Incremental_mode): New enum type.
3231         (General_options::incremental_mode): New function.
3232         (General_options::incremental_mode_): New data member.
3233         * parameters.cc (Parameters::incremental_mode_): New data member.
3234         (Parameters::set_options): Set incremental_mode_.
3235         (Parameters::set_incremental_full): New function.
3236         (Parameters::incremental): New function.
3237         (Parameters::incremental_update): New function.
3238         (set_parameters_incremental_full): New function.
3239         * parameters.h (Parameters::set_incremental_full): New function.
3240         (Parameters::incremental): New function.
3241         (Parameters::incremental_update): New function.
3242         (Parameters::incremental_mode_): New data member.
3243         (set_parameters_incremental_full): New function.
3244         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3245         incremental link mode.
3246         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3247         (Sized_relobj::do_relocate_sections): Likewise.
3248         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3249         option.
3250         * testsuite/Makefile.in: Regenerate.
3251         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3252
3253 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3254
3255         * script-sections.h (class Script_sections): Make
3256         Sections_elements typedef public.
3257         * script-sections.cc (class Sort_output_sections): Add elements_
3258         field.  Add constructor which sets it; change all callers.
3259         (Sort_output_sections::is_before): New function.
3260         (Sort_output_sections::operator()): Call is_before.
3261         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3262         conditional.
3263         * testsuite/script_test_10.sh: New test. Test script section
3264         order.
3265         * testsuite/script_test_10.t: Likewise.
3266         * testsuite/script_test_10.s: Likewise.
3267         * testsuite/Makefile.am: Wrap the cross linker tests and the
3268         common tests into NATIVE_OR_CROSS_LINKER.
3269         (check_SCRIPTS): Add script_test_10.sh.
3270         (check_DATA): Add script_test_10.stdout.
3271         (script_test_10.o, script_test_10): New targets.
3272         (script_test_10.stdout): New target.
3273         * configure, testsuite/Makefile.in: Regenerate.
3274
3275 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3276
3277         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3278         error for the deprecated relocations.
3279         (Target_arm::Scan::global): Likewise.
3280         (Target_arm::Relocate::relocate): Likewise.
3281
3282 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3283
3284         * fileread.cc (Input_file::find_file): Initialize *found_name
3285         and *namep when using the fallback search for case 4.
3286
3287 2010-10-11  Cary Coutant  <ccoutant@google.com>
3288
3289         * options.h (class General_options): Redefine -z lazy as an alias for
3290         the negation of -z now.
3291
3292 2010-10-11  Ian Lance Taylor  <iant@google.com>
3293
3294         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3295         binding.
3296
3297 2010-10-06  Nick Clifton  <nickc@redhat.com>
3298
3299         * script-sections.cc(class Memory_region): Remove
3300         current_lma_offset_ field.  Rename current_vma_offset_ to
3301         current_offset_.  Add last_section_ field.
3302         (Memory_region::get_current_vma_address): Rename to
3303         get_current_address.
3304         (Memory_region::get_current_lma_address): Delete.
3305         (Memory_region::increment_vma_offset): Rename to
3306         increment_offset.
3307         (Memory_region::increment_lma_offset): Delete.
3308         (Memory_region::attributes_compatible): New method.  Returns
3309         true if the provided section is compatible with the region.
3310         (Memory_region::get_last_section): New method.  Returns the last
3311         section to use the region.
3312         (Memory_region::set_last_section): New method.  Stores the last
3313         section to use the region.
3314         (Script_sections::block_in_region): New method.  Returns true if
3315         a block of memory is contained within a region.
3316         (Script_sections::find_memory_region): New method.  Locates a
3317         memory region to be used to set a VMA or LMA address.
3318         (Output_section_definition::set_section_addresses): Add code to
3319         check for addresses set by memory regions.
3320         (Output_segment::set_section_addresses): Remove memory region
3321         walking code.
3322         (Script_sections::create_segment): Add a warning if a header
3323         segment is created outside of any region.
3324         * script-sections.h (class Script_sections): Add prototypes for
3325         find_memory_region and block_in_region methods.
3326         * testsuite/memory_test.s: Use .long instead of .word.
3327         * testsuite/memory_test.t: Add some more output sections.
3328         * testsuite/memory_test.sh: Update expected output.
3329
3330 2010-10-02  Doug Kwan  <dougkwan@google.com>
3331
3332         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3333         defintion to symtab.h
3334         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3335         declaration to defintion.
3336
3337 2010-10-01  Nick Clifton  <nickc@redhat.com>
3338
3339         * expression.cc (eval): Replace dummy argument with NULL.
3340         (eval_maybe_dot): Check for a NULL result section pointer.
3341         (Symbol_expression::value): Likewise.
3342         (Dot_expression::value): Likewise.
3343         (BINARY_EXPRESSION): Likewise.
3344         (Max_expression::value): Likewise.
3345         (Min_expression::value): Likewise.
3346         (Absolute_expression::value): Likewise.
3347         (Addr_expression::value_from_output_section): Likewise.
3348         (Loaddddr_expression::value_from_output_section): Likewise.
3349         (Segment_start_expression::value): Likewise.
3350         * script-sections.cc
3351         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3352         argument with NULL.
3353         (Sections_elememt_dot_assignment::set_section_addresses):
3354         Likewise.
3355         (Output_data_expression::do_write_to_buffer): Likewise.
3356         (Output_section_definition::finalize_symbols): Likewise.
3357         (Output_section_definition::set_section_addresses): Likewise.
3358
3359 2010-09-30  Doug Kwan  <dougkwan@google.com>
3360
3361         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3362
3363 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3364
3365         * target.h (Target::can_icf_inline_merge_sections): New virtual
3366         function.
3367         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3368         virtual function.
3369         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3370         virtual function.
3371         * icf.cc (get_section_contents): Inline merge sections only when
3372         target allows it.
3373
3374 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3375
3376         * configure: Regenerate.
3377
3378 2010-09-17  Ian Lance Taylor  <iant@google.com>
3379
3380         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3381         * testsuite/Makefile.am (memory_test.o): New target.
3382         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3383         memory_test.t.
3384         * testsuite/Makefile.in: Rebuild.
3385
3386 2010-09-17  Doug Kwan  <dougkwan@google.com>
3387
3388         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3389         defintion if relocation uses GOT entries of the symbol.
3390         * testsuite/icf_safe_test.sh: Fix test.
3391         * testsuite/icf_safe_so_test.sh: Fix test.
3392
3393 2010-09-16  Cary Coutant  <ccoutant@google.com>
3394
3395         * script_sections.cc (class Memory_region): Remove "NULL" from
3396         vector initializations.
3397
3398 2010-09-15  Cary Coutant  <ccoutant@google.com>
3399
3400         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3401         Resolve forwarding symbols.
3402
3403 2010-09-15  Doug Kwan  <dougkwan@google.com>
3404
3405         * gold/testsuite/script_test_3.t: Add ARM special sections.
3406         * gold/testsuite/script_test_4.t: Same.
3407         * gold/testsuite/script_test_5.t: Same.
3408         * gold/testsuite/script_test_6.t: Same.
3409         * gold/testsuite/script_test_7.t: Same.
3410         * gold/testsuite/script_test_7.t: Same.
3411         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3412
3413 2010-09-14  Cary Coutant  <ccoutant@google.com>
3414
3415         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3416         (Target_x86_64::Relocate::relocate_tls): Replace check for
3417         saw_tls_block_reloc_ with test for executable section.
3418
3419 2010-09-12  Cary Coutant  <ccoutant@google.com>
3420
3421         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3422         position-independent executables to shared libraries need dynamic
3423         relocations.
3424         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3425         position-independent executables.
3426         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3427         * testsuite/Makefile.in: Regenerate.
3428
3429 2010-09-10  Nick Clifton  <nickc@redhat.com>
3430
3431         PR gold/11997
3432         * testsuite/memory_test.t: Discard any sections that are not
3433         needed.
3434
3435 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3436
3437         PR gold/11996
3438         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3439         "This::" to work around a bug in gcc 4.2.
3440
3441         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3442
3443 2010-09-09  Rafael Espindola  <espindola@google.com>
3444
3445         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3446         sections with different PF_X flags in the same segment.
3447         (Layout::find_first_load_seg): Search all segments to find the first
3448         one.
3449         * options.h (rosegment): New.
3450
3451 2010-09-08  Rafael Espindola  <espindola@google.com>
3452
3453         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3454
3455 2010-09-08  Doug Kwan  <dougkwan@google.com>
3456
3457         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3458         (Arm_relobj::do_relocate_sections): Add new parameter for output
3459         file to match the parent.
3460         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3461         of local symbols instead of input values.  Update code to track
3462         changes in gold::relocate_section.
3463         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3464         (Sized_relobj::compute_final_local_value_internal): New methods.
3465         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3466         body into private version of Sized_relobj::compute_final_local_value.
3467         Call the inline method.
3468         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3469         merged symbol value if there is one.
3470         (Symbol_value::has_output_value): New method defintiion.
3471         (Sized_relobj::Compute_final_local_value_status): New enum type.
3472         (Sized_relobj::compute_final_local_value): New methods.
3473         (Sized_relobj::compute_final_local_value_internal): New methods.
3474         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3475         and arm_cortex_a8.sh.
3476         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3477         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3478         New tests.
3479         * Makefile.in: Regenerate.
3480         * testsuite/arm_bl_out_of_range.s: Update test.
3481         * testsuite/thumb_bl_out_of_range.s: Ditto.
3482         * testsuite/thumb_blx_out_of_range.s: Ditto.
3483         * testsuite/arm_branch_out_of_range.sh: New file.
3484         * testsuite/arm_cortex_a8.sh: Ditto.
3485         * testsuite/arm_cortex_a8_b.s: Ditto.
3486         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3487         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3488         * testsuite/arm_cortex_a8_bl.s: Ditto.
3489         * testsuite/arm_cortex_a8_blx.s: Ditto.
3490         * testsuite/arm_cortex_a8_local.s: Ditto.
3491         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3492         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3493
3494 2010-09-08  Rafael Espindola  <espindola@google.com>
3495
3496         * Makefile.am (memory_test.stdout): Run readelf with -W.
3497         * Makefile.in: Regenerate.
3498         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3499         64 bit output.
3500
3501 2010-09-08  Rafael Espindola  <espindola@google.com>
3502
3503         * script-sections.cc (Script_sections::add_memory_region): Convert
3504         field precision to int.
3505         * script.cc (script_set_section_region, script_set_section_region):
3506         Convert field precision to int.
3507
3508 2010-09-08  Rafael Espindola  <espindola@google.com>
3509
3510         * arm.cc (do_finalize_sections): Create the __exidx_start and
3511         __exdix_end symbols even when the section is missing.
3512
3513 2010-09-08  Nick Clifton  <nickc@redhat.com>
3514
3515         * README: Remove claim that MEMORY is not supported.
3516         * expression.cc (script_exp_function_origin)
3517         (script_exp_function_length): Move from here to ...
3518         * script.cc: ... here.
3519         (script_set_section_region, script_add_memory)
3520         (script_parse_memory_attr, script_include_directive): New
3521         functions.
3522         * script-sections.cc
3523         (class Memory_region): New class.
3524         (class Output_section_definition): Add set_memory_region,
3525         set_section_vma, set_section_lma and get_section_name methods.
3526         (class Script_Sections): Add add_memory_region,
3527         find_memory_region, find_memory_region_origin,
3528         find_memory_region_length and set_memory_region methods.
3529         Have set_section_addresses method walk the list of set memory
3530         regions.
3531         Extend the print methos to display memory regions.
3532         * script-sections.h: Add prototypes for new methods.
3533         Add enum for MEMORY region attributes.
3534         * yyscript.y: Add support for parsing MEMORY regions.
3535         * script-c.h: Add prototypes for new functions.
3536         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3537         * testsuite/Makefile.in: Regenerate.
3538         * testsuite/memory_test.sh: New script.
3539         * testsuite/memory_test.s: New assembler source file.
3540         * testsuite/memory_test.t: New linker script.
3541
3542 2010-08-27  Doug Kwan  <dougkwan@google.com>
3543
3544         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3545         reference override an existing dynamic weak reference.
3546         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3547         * testsuite/Makefile.in: Regenerate.
3548         * testsuite/dyn_weak_ref.sh: New file.
3549         * testsuite/dyn_weak_ref_1.c: Ditto.
3550         * testsuite/dyn_weak_ref_2.c: Ditto.
3551
3552 2010-08-27  Ian Lance Taylor  <iant@google.com>
3553
3554         * incremental.h (class Incremental_input_entry): Add virtual
3555         destructor.
3556
3557 2010-08-27  Ian Lance Taylor  <iant@google.com>
3558
3559         * testsuite/start_lib_test_3.c: Mark t3 as used.
3560
3561 2010-08-27  Nick Clifton  <nickc@redhat.com>
3562
3563         * options.cc (version_script): Fix small typo in previous
3564         whitespace tidyup.
3565
3566 2010-08-25  Nick Clifton  <nickc@redhat.com>
3567
3568         * archive.cc: Formatting fixes: Remove whitespace between
3569         typename and following asterisk.  Remove whitespace between
3570         function name and opening parenthesis.
3571         * archive.h: Likewise.
3572         * arm.cc: Likewise.
3573         * attributes.cc: Likewise.
3574         * attributes.h: Likewise.
3575         * common.cc: Likewise.
3576         * copy-relocs.cc: Likewise.
3577         * dirsearch.h: Likewise.
3578         * dynobj.cc: Likewise.
3579         * ehframe.cc: Likewise.
3580         * ehframe.h: Likewise.
3581         * expression.cc: Likewise.
3582         * fileread.cc: Likewise.
3583         * fileread.h: Likewise.
3584         * gc.h: Likewise.
3585         * gold-threads.cc: Likewise.
3586         * gold.cc: Likewise.
3587         * i386.cc: Likewise.
3588         * icf.h: Likewise.
3589         * incremental-dump.cc: Likewise.
3590         * incremental.cc: Likewise.
3591         * layout.cc: Likewise.
3592         * layout.h: Likewise.
3593         * main.cc: Likewise.
3594         * merge.cc: Likewise.
3595         * merge.h: Likewise.
3596         * object.cc: Likewise.
3597         * object.h: Likewise.
3598         * options.cc: Likewise.
3599         * options.h: Likewise.
3600         * output.cc: Likewise.
3601         * output.h: Likewise.
3602         * plugin.cc: Likewise.
3603         * plugin.h: Likewise.
3604         * powerpc.cc: Likewise.
3605         * reloc.cc: Likewise.
3606         * script-c.h: Likewise.
3607         * script-sections.cc: Likewise.
3608         * script.cc: Likewise.
3609         * stringpool.cc: Likewise.
3610         * symtab.cc: Likewise.
3611         * symtab.h: Likewise.
3612         * target.cc: Likewise.
3613         * timer.cc: Likewise.
3614         * timer.h: Likewise.
3615         * version.cc: Likewise.
3616         * x86_64.cc: Likewise.
3617
3618 2010-08-24  Nick Clifton  <nickc@redhat.com>
3619
3620         PR 11899
3621         * layout.cc (segment_precedes): Sort segments by their physical
3622         addresses, if they have been set.
3623
3624 2010-08-23  Cary Coutant  <ccoutant@google.com>
3625
3626         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3627         symbols data.
3628         (Lib_group::include_member): Unlock object after deleting its
3629         symbols data.
3630         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3631         the bug fixed here.
3632
3633 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3634             Cary Coutant  <ccoutant@google.com>
3635
3636         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3637         constructor, and set_blocker.
3638         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3639         readsyms_blocker_.
3640         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3641         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3642         * testsuite/Makefile.am (start_lib_test): New test case.
3643         * testsuite/Makefile.in: Regenerate.
3644         * testsuite/start_lib_test_main.c: New file.
3645         * testsuite/start_lib_test_1.c: New file.
3646         * testsuite/start_lib_test_2.c: New file.
3647         * testsuite/start_lib_test_3.c: New file.
3648
3649 2010-08-19  Ian Lance Taylor  <iant@google.com>
3650
3651         * Makefile.in: Rebuild with automake 1.11.1.
3652         * aclocal.m4: Likewise.
3653         * testsuite/Makefile.in: Likewise.
3654
3655 2010-08-19  Ian Lance Taylor  <iant@google.com>
3656
3657         PR 10893
3658         * i386.cc (class Output_data_plt_i386): Update declarations.
3659         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3660         local_ifuncs_ fields.
3661         (Target_i386::do_plt_section_for_global): New function.
3662         (Target_i386::do_plt_section_for_local): New function.
3663         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3664         parameter; change all callers.  Initialize global_ifuncs_ and
3665         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3666         __rel_iplt_end.
3667         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3668         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3669         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3670         symbols.
3671         (Target_i386::make_plt_section): New function, broken out of
3672         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3673         (Target_i386::make_plt_entry): Call make_plt_section.
3674         (Target_i386::make_local_ifunc_plt_entry): New function.
3675         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3676         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3677         R_386_IRELATIVE to switch.
3678         (Target_i386::Scan::global): Likewise.
3679         (Target_i386::Relocate::relocate): Likewise.
3680         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3681         switch.
3682         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3683         (Target_x86_64::do_plt_section_for_global): New function.
3684         (Target_x86_64::do_plt_section_for_local): New function.
3685         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3686         parameter; change all callers.  If doing a static link define
3687         __rela_iplt_start and __rela_iplt_end.
3688         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3689         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3690         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3691         to point to .plt.
3692         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3693         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3694         switch.
3695         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3696         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3697         R_X86_64_IRELATIVE to switch.
3698         (Target_x86_64::Scan::global): Likewise.
3699         (Target_x86_64::Relocate::relocate): Likewise.
3700         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3701         switch.
3702         * target.h (class Target): Add plt_section_for_global and
3703         plt_section_for_local functions.  Add do_plt_section_for_global
3704         and do_plt_section_for_local virtual functions.
3705         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3706         clarifying comments.
3707         (Symbol::use_plt_offset): Handle IFUNC symbol.
3708         * object.cc (Sized_relobj::Sized_relobj): Initialize
3709         local_plt_offsets_.
3710         (Sized_relobj::local_has_plt_offset): New function.
3711         (Sized_relobj::local_plt_offset): New function.
3712         (Sized_relobj::set_local_plt_offset): New function.
3713         (Sized_relobj::do_count): Handle IFUNC symbol.
3714         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3715         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3716         is_ifunc_symbol functions.
3717         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3718         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3719         local_plt_offsets_ field.
3720         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3721         * output.h (class Output_section_data): Add non-const
3722         output_section function.
3723         (class Output_data_got): Update declarations.
3724         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3725         Add use_plt_offset parameter to global and local constructors.
3726         Change all callers.  Change local_sym_index_ field to 31 bits.
3727         Change GSYM_CODE and CONSTANT_CODE accordingly.
3728         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3729         doing a static link don't set sh_link field.
3730         (Output_data_got::Got_entry::write): Use PLT offset if
3731         appropriate.
3732         (Output_data_got::add_global_plt): New function.
3733         (Output_data_got::add_local_plt): New function.
3734         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3735         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3736         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3737         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3738         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3739         IFUNC conditional.
3740         * testsuite/ifunc-sel.h: New file.
3741         * testsuite/ifuncmain1.c: New file.
3742         * testsuite/ifuncmain1vis.c: New file.
3743         * testsuite/ifuncmod1.c: New file.
3744         * testsuite/ifuncdep2.c: New file.
3745         * testsuite/ifuncmain2.c: New file.
3746         * testsuite/ifuncmain3.c: New file.
3747         * testsuite/ifuncmod3.c: New file.
3748         * testsuite/ifuncmain4.c: New file.
3749         * testsuite/ifuncmain5.c: New file.
3750         * testsuite/ifuncmod5.c: New file.
3751         * testsuite/ifuncmain6pie.c: New file.
3752         * testsuite/ifuncmod6.c: New file.
3753         * testsuite/ifuncmain7.c: New file.
3754         * configure, testsuite/Makefile.in: Rebuild.
3755
3756 2010-08-18  Ian Lance Taylor  <iant@google.com>
3757
3758         * incremental.cc
3759         (Output_section_incremental_inputs::write_input_files): Add cast
3760         to avoid signed/unsigned comparison warning.
3761         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3762
3763 2010-08-12  Cary Coutant  <ccoutant@google.com>
3764
3765         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3766
3767 2010-08-13  Ian Lance Taylor  <iant@google.com>
3768
3769         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3770
3771 2010-08-12  Cary Coutant  <ccoutant@google.com>
3772             Doug Kwan  <dougkwan@google.com>
3773
3774         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3775         defintion overrides non-weak undef, remember that the original undef
3776         is not weak.
3777         * symtab.cc (Symbol_table::sized_write_global): For undef without
3778         an original weak binding, set binding to global in output.
3779         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3780         * testsuite/Makefile.in: Regenerate.
3781         * testsuite/strong_ref_weak_def.sh: New file.
3782         * testsuite/strong_ref_weak_def_1.c: Ditto.
3783         * testsuite/strong_ref_weak_def_2.c: Ditto.
3784
3785 2010-08-12  Cary Coutant  <ccoutant@google.com>
3786
3787         * testsuite/incremental_test.sh: Rewrite.
3788         * testsuite/incremental_test_1.c: Rewrite.
3789         * testsuite/incremental_test_2.c: Rewrite.
3790
3791 2010-08-12  Cary Coutant  <ccoutant@google.com>
3792
3793         * arm.cc (Target_arm::got_size): Add const.
3794         (Target_arm::got_entry_count): New function.
3795         (Target_arm::plt_entry_count): New function.
3796         (Target_arm::first_plt_entry_offset): New function.
3797         (Target_arm::plt_entry_size): New function.
3798         (Output_data_plt_arm::entry_count): New function.
3799         (Output_data_plt_arm::first_plt_entry_offset): New function.
3800         (Output_data_plt_arm::get_plt_entry_size): New function.
3801         * i386.cc (Target_i386::got_size): Add const.
3802         (Target_i386::got_entry_count): New function.
3803         (Target_i386::plt_entry_count): New function.
3804         (Target_i386::first_plt_entry_offset): New function.
3805         (Target_i386::plt_entry_size): New function.
3806         (Output_data_plt_i386::entry_count): New function.
3807         (Output_data_plt_i386::first_plt_entry_offset): New function.
3808         (Output_data_plt_i386::get_plt_entry_size): New function.
3809         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3810         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3811         * incremental.cc: Include target.h.
3812         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3813         parameter.  Adjust all callers.  Find incremental_got_plt section.
3814         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3815         section.
3816         (Output_section_incremental_inputs::set_final_data_size): Calculate
3817         size of incremental_got_plt section.
3818         (Output_section_incremental_inputs::do_write): Write the
3819         incremental_got_plt section.
3820         (Got_plt_view_info): New struct.
3821         (Local_got_offset_visitor): New class.
3822         (Global_got_offset_visitor): New class.
3823         (Global_symbol_visitor_got_plt): New class.
3824         (Output_section_incremental_inputs::write_got_plt): New function.
3825         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3826         Add parameter.  Adjust all callers.
3827         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3828         (Incremental_inputs::got_plt_section): New function.
3829         (Incremental_inputs::got_plt_section_): New data member.
3830         (Incremental_got_plt_reader): New class.
3831         * layout.cc (Layout::create_incremental_info_sections): Add the
3832         incremental_got_plt section.
3833         * object.h (Got_offset_list::get_list): New function.
3834         (Got offset_list::for_all_got_offsets): New function.
3835         (Sized_relobj::local_got_offset_list): New function.
3836         * powerpc.cc (Target_powerpc::got_size): Add const.
3837         (Target_powerpc::got_entry_count): New function.
3838         (Target_powerpc::plt_entry_count): New function.
3839         (Target_powerpc::first_plt_entry_offset): New function.
3840         (Target_powerpc::plt_entry_size): New function.
3841         (Output_data_plt_powerpc::entry_count): New function.
3842         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3843         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3844         * sparc.cc (Target_sparc::got_size): Add const.
3845         (Target_sparc::got_entry_count): New function.
3846         (Target_sparc::plt_entry_count): New function.
3847         (Target_sparc::first_plt_entry_offset): New function.
3848         (Target_sparc::plt_entry_size): New function.
3849         (Output_data_plt_sparc::entry_count): New function.
3850         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3851         (Output_data_plt_sparc::get_plt_entry_size): New function.
3852         * symtab.h (Symbol::got_offset_list): New function.
3853         (Symbol_table::for_all_symbols): New function.
3854         * target.h (Sized_target::got_entry_count): New function.
3855         (Sized_target::plt_entry_count): New function.
3856         (Sized_target::plt_entry_size): New function.
3857         * x86_64.cc (Target_x86_64::got_size): Add const.
3858         (Target_x86_64::got_entry_count): New function.
3859         (Target_x86_64::plt_entry_count): New function.
3860         (Target_x86_64::first_plt_entry_offset): New function.
3861         (Target_x86_64::plt_entry_size): New function.
3862         (Output_data_plt_x86_64::entry_count): New function.
3863         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3864         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3865
3866 2010-08-12  Cary Coutant  <ccoutant@google.com>
3867
3868         * archive.cc: Include incremental.h.
3869         (Archive::Archive): Initialize incremental_info_.
3870         (Archive::include_member): Record archive members in incremental info.
3871         (Add_archive_symbols::run): Record begin and end of an archive in
3872         incremental info.
3873         (Lib_group::include_member): Record objects in incremental info.
3874         * archive.h (Incremental_archive_entry): Forward declaration.
3875         (Archive::set_incremental_info): New member function.
3876         (Archive::incremental_info): New member function.
3877         (Archive::Unused_symbol_iterator): New class.
3878         (Archive::unused_symbols_begin): New member function.
3879         (Archive::unused_symbols_end): New member function.
3880         (Archive::incremental_info_): New data member.
3881         * incremental-dump.cc (find_input_containing_global): New function.
3882         (dump_incremental_inputs): Dump new incremental info sections.
3883         * incremental.cc: Include symtab.h.
3884         (Output_section_incremental_inputs): New class.
3885         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3886         new incremental info sections.
3887         (Sized_incremental_binary::do_check_inputs): Likewise.
3888         (Incremental_inputs::report_archive): Remove.
3889         (Incremental_inputs::report_archive_begin): New function.
3890         (Incremental_inputs::report_archive_end): New function.
3891         (Incremental_inputs::report_object): New function.
3892         (Incremental_inputs::finalize_inputs): Remove.
3893         (Incremental_inputs::report_input_section): New function.
3894         (Incremental_inputs::report_script): Rewrite.
3895         (Incremental_inputs::finalize): Do nothing but finalize string table.
3896         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3897         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3898         (Incremental_inputs::create_data_sections): New function.
3899         (Incremental_inputs::relocs_entsize): New function.
3900         (Output_section_incremental_inputs::set_final_data_size): New function.
3901         (Output_section_incremental_inputs::do_write): New function.
3902         (Output_section_incremental_inputs::write_header): New function.
3903         (Output_section_incremental_inputs::write_input_files): New function.
3904         (Output_section_incremental_inputs::write_info_blocks): New function.
3905         (Output_section_incremental_inputs::write_symtab): New function.
3906         * incremental.h (Incremental_script_entry): Forward declaration.
3907         (Incremental_object_entry): Forward declaration.
3908         (Incremental_archive_entry): Forward declaration.
3909         (Incremental_inputs): Forward declaration.
3910         (Incremental_inputs_header_data): Remove.
3911         (Incremental_inputs_header): Remove.
3912         (Incremental_inputs_header_write): Remove.
3913         (Incremental_inputs_entry_data): Remove.
3914         (Incremental_inputs_entry): Remove.
3915         (Incremental_inputs_entry_write): Remove.
3916         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3917         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3918         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3919         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3920         Likewise.
3921         (Incremental_input_entry): New class.
3922         (Incremental_script_entry): New class.
3923         (Incremental_object_entry): New class.
3924         (Incremental_archive_entry): New class.
3925         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3926         (Incremental_inputs::report_inputs): Remove.
3927         (Incremental_inputs::report_archive): Remove.
3928         (Incremental_inputs::report_archive_begin): New function.
3929         (Incremental_inputs::report_archive_end): New function.
3930         (Incremental_inputs::report_object): Change prototype.
3931         (Incremental_inputs::report_input_section): New function.
3932         (Incremental_inputs::report_script): Change prototype.
3933         (Incremental_inputs::get_reloc_count): New function.
3934         (Incremental_inputs::set_reloc_count): New function.
3935         (Incremental_inputs::create_data_sections): New function.
3936         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3937         (Incremental_inputs::inputs_section): New function.
3938         (Incremental_inputs::symtab_section): New function.
3939         (Incremental_inputs::relocs_section): New function.
3940         (Incremental_inputs::get_stringpool): Add const.
3941         (Incremental_inputs::command_line): Add const.
3942         (Incremental_inputs::inputs): Remove.
3943         (Incremental_inputs::command_line_key): New function.
3944         (Incremental_inputs::input_file_count): New function.
3945         (Incremental_inputs::input_files): New function.
3946         (Incremental_inputs::relocs_entsize): New function.
3947         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3948         (Incremental_inputs::finalize_inputs): Remove.
3949         (Incremental_inputs::Input_info): Remove.
3950         (Incremental_inputs::lock_): Remove.
3951         (Incremental_inputs::inputs_): Change type.
3952         (Incremental_inputs::inputs_map_): Remove.
3953         (Incremental_inputs::current_object_entry_): New data member.
3954         (Incremental_inputs::inputs_section_): New data member.
3955         (Incremental_inputs::symtab_section_): New data member.
3956         (Incremental_inputs::relocs_section_): New data member.
3957         (Incremental_inputs::reloc_count_): New data member.
3958         (Incremental_inputs_reader): New class.
3959         (Incremental_symtab_reader): New class.
3960         (Incremental_relocs_reader): New class.
3961         * layout.cc (Layout::finalize): Move finalization of incremental info
3962         and creation of incremental info sections to follow finalization of
3963         symbol table.  Set offsets for postprocessing sections.
3964         (Layout::create_incremental_info_sections): Call
3965         Incremental_inputs::create_data_sections.  Add incremental symtab
3966         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3967         sections to layout after input sections.
3968         * layout.h (struct Timespec): Forward declaration.
3969         (Layout::incremental_inputs): Add const.
3970         (Layout::create_incremental_info_sections): Add parameter.
3971         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3972         * object.cc: Include incremental.h.
3973         (Relobj::finalize_incremental_relocs): New function.
3974         (Sized_relobj::do_layout): Record input sections in incremental info.
3975         * object.h (Object::output_section): New function.
3976         (Object::output_section_offset): Moved from Relobj.
3977         (Object::get_incremental_reloc_base): New function.
3978         (Object::get_incremental_reloc_count): New function.
3979         (Object::do_output_section): New function.
3980         (Object::do_output_section_offset): Moved from Relobj.
3981         (Object::do_get_incremental_reloc_base): New function.
3982         (Object::do_get_incremental_reloc_count): New function.
3983         (Object::Object): Initialize new data members.
3984         (Relobj::output_section): Renamed do_output_section and moved to
3985         protected.
3986         (Relobj::output_section_offset): Moved to Object.
3987         (Relobj::do_get_incremental_reloc_base): New function.
3988         (Relobj::do_get_incremental_reloc_count): New function.
3989         (Relobj::allocate_incremental_reloc_counts): New function.
3990         (Relobj::count_incremental_reloc): New function.
3991         (Relobj::finalize_incremental_relocs): New function.
3992         (Relobj::next_incremental_reloc_index): New function.
3993         (Relobj::reloc_counts_): New data member.
3994         (Relobj::reloc_bases_): New data member.
3995         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3996         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3997         (Sized_relobj::incremental_relocs_scan): New function.
3998         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3999         (Sized_relobj::incremental_relocs_write): New function.
4000         (Sized_relobj::incremental_relocs_write_reltype): New function.
4001         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4002         incremental link.
4003         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4004         archives and object files elsewhere.
4005         (Add_symbols::run): Report object files here.
4006         (Finish_group::run): Report end of archive at end of group.
4007         * reloc.cc: Include layout.h, incremental.h.
4008         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4009         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4010         (Sized_relobj::incremental_relocs_scan): New function.
4011         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4012         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4013         (Sized_relobj::incremental_relocs_write): New function.
4014         (Sized_relobj::incremental_relocs_write_reltype): New function.
4015         * script.cc (read_input_script): Rewrite test for incremental link.
4016         Change call to Incremental_inputs::report_script.
4017         * symtab.h (Symbol_table::first_global_index): New function.
4018         (Symbol_table::output_count): New function.
4019
4020 2010-08-12  Doug Kwan  <dougkwan@google.com>
4021
4022         * arm.cc (Target_arm::merge_object_attributes): Check command line
4023         options --no-wchar-size-warning and --no-enum-size-warning.
4024         * options.h (General_options): Add ld-compatible options
4025         --no-enum-size-warning and --no-wchar-size-warning.
4026
4027 2010-08-04  Ian Lance Taylor  <iant@google.com>
4028
4029         * x86_64.cc (Target_x86_64::Scan::local): Use
4030         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4031         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4032         (Target_x86_64::Scan::global): Likewise.
4033         (Target_x86_64::Relocate::relocate): Likewise.
4034         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4035         Likewise.
4036
4037 2010-08-03  Cary Coutant  <ccoutant@google.com>
4038
4039         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4040         to reserve space in merged_strings vector. Keep total input size
4041         for stats.
4042         (Output_merge_string::do_print_merge_stats): Print total input size.
4043         * merge.h (Output_merge_string): Add input_size_ field.
4044         * stringpool.cc (Stringpool_template::string_length): Move
4045         implementations out of Stringpool_template class and place in
4046         stringpool.h.
4047         * stringpool.h (string_length): Move out of Stringpool_template.
4048
4049 2010-08-03  Ian Lance Taylor  <iant@google.com>
4050
4051         PR 11712
4052         * layout.cc (relaxation_loop_body): If address of load segment is
4053         set, adjust address to include headers if possible.
4054
4055 2010-08-03  Ian Lance Taylor  <iant@google.com>
4056
4057         * version.cc (version_string): Bump to 1.10.
4058
4059 2010-08-03  Ian Lance Taylor  <iant@google.com>
4060
4061         PR 11805
4062         * layout.h (enum Output_section_order): Define.
4063         (class Layout): Update declarations.
4064         * layout.cc (Layout::get_output_section): Add order parameter.
4065         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4066         is_first_non_relro parameters.  Change all callers.
4067         (Layout::choose_output_section): Likewise.
4068         (Layout::add_output_section_data): Likewise.
4069         (Layout::make_output_section): Likewise.  Set order.
4070         (Layout::default_section_order): New function.
4071         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4072         * output.cc (Output_section::Output_section): Initialize order_.
4073         Don't initialize deleted fields.
4074         (Output_segment::Output_segment): Don't initialize deleted
4075         fields.
4076         (Output_segment::add_output_section_to_load): New function
4077         replacing add_output_section.  Change all callers to call this or
4078         add_output_section_to_nonload.
4079         (Output_segment::add_output_section_to_nonload): New function.
4080         (Output_segment::remove_output_section): Rewrite.
4081         (Output_segment::add_initial_output_data): Likewise.
4082         (Output_segment::has_any_data_sections): Likewise.
4083         (Output_segment::is_first_section_relro): Likewise.
4084         (Output_segment::maximum_alignment): Likewise.
4085         (Output_segment::has_dynamic_reloc): New function replacing
4086         dynamic_reloc_count.  Change all callers.
4087         (Output_segment::has_dynamic_reloc_list): New function replacing
4088         dynamic_reloc_count_list.  Change all callers.
4089         (Output_segment::set_section_addresses): Rewrite.
4090         (Output_segment::set_offset): Rewrite.
4091         (Output_segment::find_first_and_last_list): Remove.
4092         (Output_segment::set_tls_offsets): Rewrite.
4093         (Output_segment::first_section_load_address): Likewise.
4094         (Output_segment::output_section_count): Likewise.
4095         (Output_segment::section_with_lowest_load_address): Likewise.
4096         (Output_segment::write_section_headers): Likewise.
4097         (Output_segment::print_sections_to_map): Likewise.
4098         * output.h (class Output_data): Remove dynamic_reloc_count_
4099         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4100         (Output_data::add_dynamic_reloc): Rewrite.
4101         (Output_data::has_dynamic_reloc): New function.
4102         (Output_data::dynamic_reloc_count): Remove.
4103         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4104         is_last_relro_, is_first_non_relro_, is_interp_,
4105         is_dynamic_linker_section_ fields.  Add order and set_order
4106         functions.  Remove is_relro_local, set_is_relro_local,
4107         is_last_relro, set_is_last_relro, is_first_non_relro,
4108         set_is_first_non_relro functions, is_interp, set_is_interp,
4109         is_dynamic_linker_section, and set_is_dynamic_linker_section
4110         functions.
4111         (class Output_segment): Change Output_data_list from std::list to
4112         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4113         output_bss_ fields.  Update declarations.
4114
4115 2010-08-02  Ian Lance Taylor  <iant@google.com>
4116
4117         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4118         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4119         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4120
4121 2010-08-02  Ian Lance Taylor  <iant@google.com>
4122
4123         PR 11855
4124         * script.cc (Script_options::Script_options): Initialize
4125         symbol_definitions_ and symbol_references_.
4126         (Script_options::add_symbol_assignment): Update
4127         symbol_definitions_ and symbol_references_.
4128         (Script_options::add_symbol_reference): New function.
4129         (script_symbol): New function.
4130         * script.h (class Script_options): Add symbol_definitions_ and
4131         symbol_references_ fields.
4132         (Script_options::referenced_const_iterator): New type.
4133         (Script_options::referenced_begin): New function.
4134         (Script_options::referenced_end): New function.
4135         (Script_options::is_referenced): New function.
4136         (Script_options::any_unreferenced): New function.
4137         * script-c.h (script_symbol): Declare.
4138         * yyscript.y (exp): Call script_symbol.
4139         * symtab.cc: Include "script.h".
4140         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4141         Change all callers.  Check symbols referenced by scripts.
4142         (Symbol_table::add_undefined_symbols_from_command_line): Add
4143         layout parameter.  Change all callers.
4144         (Symbol_table::do_add_undefined_symbols_from_command_line):
4145         Likewise.  Break out loop body.  Check symbols referenced by
4146         scripts.
4147         (Symbol_table::add_undefined_symbol_from_command_line): New
4148         function broken out of
4149         do_add_undefined_symbols_from_command_line.
4150         * symtab.h (class Symbol_table): Update declarations.
4151         * archive.cc: Include "layout.h".
4152         (Archive::should_include_member): Add layout parameter.  Change
4153         all callers.  Check for symbol mentioned in expression.
4154         * archive.h (class Archive): Update declaration.
4155         * object.cc (Sized_relobj::do_should_include_member): Add layout
4156         parameter.
4157         * object.h (Object::should_include_member): Add layout parameter.
4158         Change all callers.
4159         (Object::do_should_include_member): Add layout parameter.
4160         (class Sized_relobj): Update declaration.
4161         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4162         parameter.
4163         * dynobj.h (class Sized_dynobj): Update declaration.
4164         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4165         layout parameter.
4166         * plugin.h (class Sized_pluginobj): Update declaration.
4167
4168 2010-08-02  Ian Lance Taylor  <iant@google.com>
4169
4170         PR 11866
4171         * output.cc (Output_segment::set_offset): Search for the first and
4172         last sections rather than assuming that the list is in order.
4173         (Output_segment::find_first_and_last_list): New function.
4174         * output.h (class Output_segment): Update declarations.
4175         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4176         (relro_strip_test_SOURCES): New variable.
4177         (relro_strip_test_DEPENDENCIES): New variable.
4178         (relro_strip_test_LDFLAGS): New variable.
4179         (relro_strip_test_LDADD): New variable.
4180         (relro_strip_test.so): New target.
4181
4182 2010-08-02  Ian Lance Taylor  <iant@google.com>
4183
4184         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4185         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4186         (Target_i386::got_tlsdesc_section): New function.
4187         (Target_i386::got_section): Create space for GOT entries for
4188         TLSDESC relocations.
4189         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4190         R_386_TLS_GOTDESC.
4191         (Target_i386::Scan::global): Likewise.
4192         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4193         using TLSDESC GOT.
4194         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4195         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4196         (Target_x86_64::got_tlsdesc_section): New function.
4197         (Target_x86_64::got_section): Create space for GOT entries for
4198         TLSDESC relocations.
4199         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4200         R_386_TLS_GOTDESC.
4201         (Target_x86_64::Scan::global): Likewise.
4202         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4203         using TLSDESC GOT.
4204
4205 2010-08-02  Ian Lance Taylor  <iant@google.com>
4206
4207         * testsuite/final_layout.sh: Use dc to convert from hex to
4208         decimal.
4209
4210 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4211
4212         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4213         paramter to the call to gold::gc_process_relocs.
4214         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4215         paramter to the call to gold::gc_process_relocs.
4216         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4217         parameter to the call to gold::gc_process_relocs.
4218         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4219         template parameter to the call to gold::gc_process_relocs.
4220         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4221         paramter to the call to gold::gc_process_relocs.
4222         * gc.h (get_embedded_addend_size): New function.
4223         (gc_process_relocs): Save the size of the reloc for use by ICF.
4224         * icf.cc (get_section_contents): Get the addend from the text section
4225         for SHT_REL relocation sections.
4226         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4227         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4228         * int_encoding.h (read_from_pointer): New overloaded function.
4229         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4230         * testsuite/icf_sht_rel_addend_test.sh: New file.
4231         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4232         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4233
4234 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4235
4236         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4237         * Makefile.in: Regenerate.
4238         * testsuite/Makefile.in: Regenerate.
4239
4240 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4241
4242         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4243         * gold/testsuite/debug_msg.cc: Likewise.
4244         * gold/testsuite/odr_violation1.cc
4245         * gold/testsuite/odr_violation2.cc
4246
4247 2010-07-21  Cary Coutant  <ccoutant@google.com>
4248
4249         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4250         string, and length fields.
4251         (Output_merge_string::Merged_strings_list): New type.
4252         (Output_merge_string::Merged_strings_lists): New typedef.
4253         (Output_merge_string): Replace merged_strings_ with
4254         merged_strings_lists_.
4255         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4256         Merged_strings_list per input object and section.  Don't store pointer
4257         to the string.  Don't store length with each merged string entry.
4258         (Output_merge_string::finalize_merged_data): Loop over list of merged
4259         strings lists.  Recompute length of each merged string.
4260
4261 2010-07-15  Cary Coutant  <ccoutant@google.com>
4262
4263         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4264         here.
4265
4266 2010-07-14  Ian Lance Taylor  <iant@google.com>
4267
4268         * descriptors.cc (Descriptors::open): Report correct name in error
4269         message.
4270
4271 2010-07-13  Doug Kwan  <dougkwan@google.com>
4272
4273         * arm.cc (Arm_input_section::Arm_input_section): For a
4274         SHT_ARM_EXIDX section, always keeps the input sections.
4275         (Arm_input_section::set_exidx_section_link): New method.
4276         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4277         has_errors_ to false.
4278         (Arm_exidx_input_section::has_errors,
4279         Arm_exidx_input_section::set_has_errors): New methods.
4280         (Arm_exidx_input_section::has_errors_): New data member.
4281         (Arm_relobj::get_exidx_shndx_list): New method.
4282         (Arm_output_section::append_text_sections_to_list): Do not skip
4283         section without SHF_EXECINSTR.
4284         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4285         errors.
4286         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4287         section header.  Make error messages more verbose.  Check for
4288         a non-executable section linked to an EXIDX section.
4289         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4290         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4291         check that there is no deferred EXIDX section if we exit early.
4292         Instead of not making an EXIDX section in case of an error, make one
4293         and set the has_errors flag of it.
4294         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4295         in a relocatable link.
4296         (Target_arm::do_relax): Look for the EXIDX output section instead of
4297         assuming that it is called .ARM.exidx.
4298         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4299         section list.  Do not check for SHF_EXECINSTR section flags but
4300         skip any input section with errors.
4301         * output.cc (Output_section::Output_section): Initialize
4302         always_keeps_input_sections_ to false.
4303         (Output_section::add_input_section): Check for
4304         always_keeps_input_sections_.
4305         *  output.h (Output_section::always_keeps_input_sections,
4306         Output_section::set_always_keeps_input_sections): New methods.
4307         (Output_section::always_keeps_input_sections): New data member.
4308
4309 2010-07-13  Rafael Espindola  <espindola@google.com>
4310
4311         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4312         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4313
4314 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4315             Ian Lance Taylor  <iant@google.com>
4316
4317         * output.h (Output_section_lookup_maps::add_merge_section):
4318         Correct check of whether value was inserted.
4319         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4320         (Output_section_lookup_maps::add_relaxed_input_section):
4321         Likewise.
4322         * arm.cc (Target_arm::got_section): Remove used local os.
4323         * i386.cc (Target_i386::got_section): Likewise.
4324         * x86_64.cc (Target_x86_64::got_section): Likewise.
4325         * sparc.cc (Target_sparc::got_section): Likewise.
4326         (Target_sparc::relocate): Remove unused local have_got_offset.
4327         * powerpc.cc (Target_powerpc::relocate): Likewise.
4328
4329 2010-07-13  Ian Lance Taylor  <iant@google.com>
4330
4331         * compressed_output.cc (zlib_decompress): Fix signature in
4332         !HAVE_ZLIB_H case.
4333
4334         * archive.cc (Archive::include_member): Unlock an external member
4335         of a thin archive.  Don't bother to delete an object we know is
4336         NULL.
4337
4338 2010-07-12  Cary Coutant  <ccoutant@google.com>
4339
4340         * compressed_output.cc (zlib_decompress): New function.
4341         (get_uncompressed_size): New function.
4342         (decompress_input_section): New function.
4343         * compressed_output.h (get_uncompressed_size): New function.
4344         (decompress_input_section): New function.
4345         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4346         Handle compressed debug sections.
4347         * layout.cc (is_compressed_debug_section): New function.
4348         (Layout::output_section_name): Map compressed section names to
4349         canonical names.
4350         * layout.h (is_compressed_debug_section): New function.
4351         (is_debug_info_section): Recognize compressed debug sections.
4352         * merge.cc: Include compressed_output.h.
4353         (Output_merge_data::do_add_input_section): Handle compressed
4354         debug sections.
4355         (Output_merge_string::do_add_input_section): Handle compressed
4356         debug sections.
4357         * object.cc: Include compressed_output.h.
4358         (Sized_relobj::Sized_relobj): Initialize new data members.
4359         (build_compressed_section_map): New function.
4360         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4361         * object.h (Object::section_is_compressed): New method.
4362         (Object::do_section_is_compressed): New method.
4363         (Sized_relobj::Compressed_section_map): New type.
4364         (Sized_relobj::do_section_is_compressed): New method.
4365         (Sized_relobj::compressed_sections_): New data member.
4366         * output.cc (Output_section::add_input_section): Handle compressed
4367         debug sections.
4368         * reloc.cc: Include compressed_output.h.
4369         (Sized_relobj::write_sections): Handle compressed debug sections.
4370
4371 2010-07-08  Cary Coutant  <ccoutant@google.com>
4372
4373         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4374         weak when resolving to a dynamic def.
4375         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4376         for weak undef/dynamic def cases. Adjust callers.
4377         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4378         undef_binding_weak_.
4379         (Symbol_table::sized_write_globals): Adjust symbol binding.
4380         (Symbol_table::sized_write_symbol): Add binding parameter.
4381         * symtab.h (Symbol::set_undef_binding): New method.
4382         (Symbol::is_undef_binding_weak): New method.
4383         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4384         (Symbol_table::should_override): Add new parameter.
4385         (Symbol_table::sized_write_symbol): Add new parameter.
4386
4387         * testsuite/weak_undef_file1.cc: Add new test case.
4388         * testsuite/weak_undef_file2.cc: Fix header comment.
4389         * testsuite/weak_undef_test.cc: Add new test case.
4390
4391 2010-06-29  Doug Kwan  <dougkwan@google.com>
4392
4393         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4394         Initialize USE_SYMBOL_.
4395         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4396         definition.
4397         (Arm_reloc_property::uses_symbol_): New data member declaration.
4398         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4399         uses symbol value and symbol is undefined but not weakly undefined.
4400
4401 2010-06-28  Rafael Espindola  <espindola@google.com>
4402
4403         * plugin.cc (Plugin::load): Use dlerror.
4404
4405 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4406
4407         * symtab.cc (detect_odr_violations): When reporting an ODR
4408         violation, report an object where the symbol is defined.
4409
4410 2010-06-25  Doug Kwan  <dougkwan@google.com>
4411
4412         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4413         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4414         definition.
4415         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4416         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4417         target hook to detect function points.
4418         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4419         * icf.h (Icf::check_section_for_function_pointers): Change type of
4420         parameter SECTION_NAME to const reference to std::string.  Use
4421         target hook to determine if section may have unsafe pointers.
4422         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4423         method definition.
4424
4425 2010-06-21  Rafael Espindola  <espindola@google.com>
4426
4427         * fileread.cc (Input_file::find_fie): New
4428         (Input_file::open): Use Input_file::find_fie.
4429         * fileread.h (Input_file::find_fie): New
4430         * plugin.cc (set_extra_library_path): New.
4431         (Plugin::load): Add set_extra_library_path to the transfer vector.
4432         (Plugin_manager::set_extra_library_path): New.
4433         (Plugin_manager::add_input_file): Use the extra search path if set.
4434         (set_extra_library_path(): New.
4435         * plugin.h (Plugin_manager): Add set_extra_library_path and
4436         extra_search_path_.
4437
4438 2010-06-19  Cary Coutant  <ccoutant@google.com>
4439
4440         * layout.cc (gdb_sections): Add .debug_types.
4441         (lines_only_debug_sections): Likewise.
4442
4443 2010-06-18  Rafael Espindola  <espindola@google.com>
4444
4445         * plugin.cc (add_input_file,add_input_library)
4446         (Plugin_manager::add_input_file): Make filename arguments const.
4447         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4448         const.
4449
4450 2010-06-16  Doug Kwan  <dougkwan@google.com>
4451
4452         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4453         .ARM.attributes section if we have not merged any input
4454         attributes sections.
4455
4456 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4457
4458         * arm.cc: Allow combining objects with no EABI version
4459         information.
4460
4461 2010-06-15  Rafael Espindola  <espindola@google.com>
4462
4463         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4464
4465 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4466
4467         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4468         (struct iovec): Correct !HAVE_READV definition.
4469
4470 2010-06-10  Cary Coutant  <ccoutant@google.com>
4471
4472         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4473         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4474         reloc sections.
4475         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4476
4477         PR 11683
4478         * symtab.h (Symbol::is_placeholder): New member function.
4479         * target-reloc.h (relocate_section): Check for placeholder symbols.
4480
4481         * testsuite/Makefile.am (plugin_test_8): New test.
4482         (plugin_test_9): New test.
4483         * testsuite/Makefile.in: Regenerate.
4484
4485 2010-06-09  Nick Clifton  <nickc@redhat.com>
4486
4487         * yyscript.y (input_list_element): Allow strings prefixed with
4488         the '-' character.  Treat these as libraries.
4489         * script.cc (script_add_library): New function.  Adds a library
4490         specified by "-l<name>" found in an input script.
4491         * script-c.h: Add prototype for script_add_library.
4492
4493 2010-06-07  Doug Kwan  <dougkwan@google.com>
4494
4495         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4496         Restrict stub-group size to be within long conditional branch
4497         range when working around cortex-A8 erratum.
4498
4499 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4500
4501         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4502         #ifdef typo.
4503
4504 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4505
4506         PR gold/11658
4507         * output.cc
4508         (Output_section::Input_section_sort_entry::compare_section_ordering):
4509         Change to return non-zero correctly.
4510         (Output_section::Input_section_sort_section_order_index_compare
4511         ::operator()): Change to fix ambiguity in comparisons.
4512
4513 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4514
4515         * gold.h (is_wildcard_string): New function.
4516         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4517         (Layout::layout_eh_frame): Ditto.
4518         (Layout::find_section_order_index): New method.
4519         (Layout::read_layout_from_file): New method.
4520         * layout.h (Layout::find_section_order_index): New method.
4521         (Layout::read_layout_from_file): New method.
4522         (Layout::input_section_position_): New private member.
4523         (Layout::input_section_glob_): New private member.
4524         * main.cc (main): Call read_layout_from_file here.
4525         * options.h (--section-ordering-file): New option.
4526         * output.cc (Output_section::input_section_order_specified_): New
4527         member.
4528         (Output_section::Output_section): Initialize new member.
4529         (Output_section::add_input_section): Add new parameter.
4530         Keep input sections when --section-ordering-file is used.
4531         (Output_section::set_final_data_size): Sort input sections when
4532         section ordering file is specified.
4533         (Output_section::Input_section_sort_entry): Add new parameter.
4534         Check sorting type.
4535         (Output_section::Input_section_sort_entry::compare_section_ordering):
4536         New method.
4537         (Output_section::Input_section_sort_compare::operator()): Change to
4538         consider section_order_index.
4539         (Output_section::Input_section_sort_init_fini_compare::operator()):
4540         Change to consider section_order_index.
4541         (Output_section::Input_section_sort_section_order_index_compare
4542         ::operator()): New method.
4543         (Output_section::sort_attached_input_sections): Change to sort
4544         according to section order when specified.
4545         (Output_section::add_input_section<32, true>): Add new parameter.
4546         (Output_section::add_input_section<64, true>): Add new parameter.
4547         (Output_section::add_input_section<32, false>): Add new parameter.
4548         (Output_section::add_input_section<64, false>): Add new parameter.
4549         * output.h (Output_section::add_input_section): Add new parameter.
4550         (Output_section::input_section_order_specified): New
4551         method.
4552         (Output_section::set_input_section_order_specified): New method.
4553         (Input_section::Input_section): Initialize section_order_index_.
4554         (Input_section::section_order_index): New method.
4555         (Input_section::set_section_order_index): New method.
4556         (Input_section::section_order_index_): New member.
4557         (Input_section::Input_section_sort_section_order_index_compare): New
4558         struct.
4559         (Output_section::input_section_order_specified_): New member.
4560         * script-sections.cc (is_wildcard_string): Delete and move modified
4561         method to gold.h.
4562         (Output_section_element_input::Output_section_element_input): Modify
4563         call to is_wildcard_string.
4564         (Output_section_element_input::Input_section_pattern
4565         ::Input_section_pattern): Ditto.
4566         (Output_section_element_input::Output_section_element_input): Ditto.
4567         * testsuite/Makefile.am (final_layout): New test case.
4568         * testsuite/Makefile.in: Regenerate.
4569         * testsuite/final_layout.cc: New file.
4570         * testsuite/final_layout.sh: New file.
4571
4572 2010-06-01  Rafael Espindola  <espindola@google.com>
4573
4574         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4575
4576 2010-06-01  Rafael Espindola  <espindola@google.com>
4577
4578         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4579         visibility of symbols.
4580
4581 2010-05-27  Doug Kwan  <dougkwan@google.com>
4582
4583         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4584         from start of output section instead of address for a local symbol
4585         in a merged or relaxed section when doing a relocatable link.
4586
4587 2010-05-26  Rafael Espindola  <espindola@google.com>
4588
4589        PR 11604
4590         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4591         adding sections the garbage collector removed.
4592         * gold/testsuite/Makefile.am: Add test.
4593         * gold/testsuite/Makefile.in: Regenerate.
4594         * gold/testsuite/plugin_test_7.sh: New.
4595         * gold/testsuite/plugin_test_7_1.c: New.
4596         * gold/testsuite/plugin_test_7_2.c: New.
4597
4598 2010-05-26  Rafael Espindola  <espindola@google.com>
4599
4600         * script-sections.cc (Output_section_definition::set_section_addresses):
4601         Check for --section-start.
4602
4603 2010-05-26  Doug Kwan  <dougkwan@google.com>
4604
4605         * arm.cc (Arm_scan_relocatable_relocs): New class.
4606         (Target_arm::relocate_special_relocatable): New method.
4607         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4608         (Arm_relocate_functions::thumb_branch_common): Same.
4609         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4610         instead of Default_scan_relocatable_relocs.
4611         * target-reloc.h (relocate_for_relocatable): Let target handle
4612         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4613         * target.h (Sized_target::relocate_special_relocatable): New method.
4614
4615 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4616
4617         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4618
4619 2010-05-23  Doug Kwan  <dougkwan@google.com>
4620
4621         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4622         instead of a cast.
4623         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4624         with a direct branch, not a conditional branch, to a stub.
4625         * merge.cc (Output_merge_base::record_input_section): New method
4626         defintion.
4627         (Output_merge_data::do_add_input_section): Record input section if
4628         keeps-input-sections flag is set.
4629         (Output_merge_string::do_add_input_section): Ditto.
4630         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4631         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4632         INPUT_SECTIONS_.
4633         (Output_merge_base::keeps_input_sections,
4634         Output_merge_base::set_keeps_input_sections,
4635         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4636         method definitions.
4637         (Output_merge_base::Input_sections): New type declaration.
4638         (Output_merge_base::input_sections_begin,
4639         Output_merge_base::input_sections_end,
4640         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4641         (Output_merge_base::bool keeps_input_sections_,
4642         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4643         Output_merge_base::input_sections_): New data members.
4644         (Output_merge_data::do_set_keeps_input_sections): New method
4645         defintion.
4646         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4647         * output.cc (Output_section::Input_section::relobj): Move method
4648         defintion from class declaration to here and handle merge sections.
4649         (Output_section::Input_section::shndx): Ditto.
4650         (Output_section::Output_section): Remove initializations of removed
4651         data members and initialize new data member LOOKUP_MAPS_.
4652         (Output_section::add_input_section): Set keeps-input-sections flag
4653         for a newly created merge output section as appropriate.  Adjust code
4654         to use Output_section_lookup_maps class.
4655         (Output_section::add_relaxed_input_section): Adjst code for lookup
4656         maps code refactoring.
4657         (Output_section::add_merge_input_section): Add a new parameter
4658         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4659         class.  If adding input section to a newly created merge output
4660         section fails, remove the new merge section.
4661         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4662         Adjust code for use of the Output_section_lookup_maps class.
4663         (Output_section::find_merge_section): Ditto.
4664         (Output_section::build_lookup_maps): New method defintion.
4665         (Output_section::find_relaxed_input_section): Adjust code to use
4666         Output_section_lookup_maps class.
4667         (Output_section::get_input_sections): Export merge sections.  Adjust
4668         code to use Output_section_lookup_maps class.
4669         (Output_section:::add_script_input_section): Adjust code to use
4670         Output_section_lookup_maps class.  Update lookup maps for merge
4671         sections also.
4672         (Output_section::discard_states): Use Output_section_lookup_maps.
4673         (Output_section::restore_states): Same.
4674         * output.h (Merge_section_properties): Move class defintion out of
4675         Output_section.
4676         (Output_section_lookup_maps): New class.
4677         (Output_section::Input_section::is_merge_section): New method
4678         defintion.
4679         (Output_section::Input_section::relobj): Move defintion out of class
4680         defintion.  Declare method only.
4681         (Output_section::Input_section::shndx): Ditto.
4682         (Output_section::Input_section::output_merge_base): New method defintion.
4683         (Output_section::Input_section::u2_.pomb): New union field.
4684         (Output_section::Merge_section_by_properties_map,
4685         Output_section::Output_section_data_by_input_section_map,
4686         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4687         Remove types.
4688         (Output_section::add_merge_input_section): Add new parameter
4689         KEEPS_INPUT_SECTIONS.
4690         (Output_section::build_lookup_maps): New method declaration.
4691         (Output_section::merge_section_map_,
4692         Output_section::merge_section_by_properties_map_,
4693         Output_section::relaxed_input_section_map_,
4694         Output_section::is_relaxed_input_section_map_valid_): Remove data
4695         members.
4696         (Output_section::lookup_maps_): New data member.
4697
4698 2010-05-21  Doug Kwan  <dougkwan@google.com>
4699
4700         PR gold/11619
4701         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4702         avoid a compilation error.
4703
4704 2010-05-19  Rafael Espindola  <espindola@google.com>
4705
4706         * script-sections.cc (Output_section_definition::allocate_to_segment):
4707         Update the phdrs_list even when the output section is NULL.
4708         * testsuite/Makefile.am: Add test.
4709         * testsuite/Makefile.in: Regenerate.
4710         * testsuite/script_test_9.cc: New.
4711         * testsuite/script_test_9.sh: New.
4712         * testsuite/script_test_9.t: New.
4713
4714 2010-05-19  Doug Kwan  <dougkwan@google.com>
4715
4716         * arm.cc (Arm_input_section::original_size): New method.
4717         (Arm_input_section::do_addralign): Add a cast.
4718         (Arm_input_section::do_output_offset): Remove static cast.
4719         (Arm_input_section::original_addralign,
4720          Arm_input_section::original_size_): Change type to uint32_t.
4721         (Arm_input_section::init): Add safe casts for section alignment
4722         and size.
4723         (Arm_input_section::set_final_data_size): Do not set address and
4724         offset of stub table.
4725         (Arm_output_section::fix_exidx_coverage): Change use of of
4726         Output_section::Simple_input_section to that of
4727         Output_section::Input_section.
4728         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4729         except for the first pass.
4730         * output.cc (Output_section::get_input_sections): Change type of
4731         input_sections to std::list<Input_section>.
4732         (Output_section::add_script_input_section): Rename from
4733         Output_section::add_simple_input_section.  Change type of SIS
4734         parameter from Simple_input_section to Input_section.
4735         * output.h (Output_section::Simple_input_section): Remove class.
4736         (Output_section::Input_section): Change class visibility to public.
4737         (Output_section::Input_section::addralign): Use stored alignments
4738         for special input sections if set.
4739         (Output_section::Input_section::set_addralign): New method.
4740         (Output_section::get_input_sections): Change parameter type from
4741         list of Simple_input_section to list of Input_section.
4742         (Output_section::add_script_input_section): Rename from
4743         Output_section::add_simple_input_section. Change first parameter's
4744         type from Simple_input_section to Input_section and remove the
4745         second and third parameters.
4746         * script-sections.cc (Input_section::Input_section_list): Change
4747         type to list of Output_section::Input_section/
4748         (Input_section_info::Input_section_info): Change parameter type of
4749         INPUT_SECTION to Output_section::Input_section.
4750         (Input_section_info::input_section): Change return type.
4751         (Input_section_info::input_section_): Change type to
4752         Output_section::Input_section.
4753         (Output_section_element_input::set_section_addresses): Adjust code
4754         to use Output_section::Input_section instead of
4755         Output_section::Simple_input_section.  Adjust code for renaming
4756         of Output_section::add_simple_input_section.
4757         (Orphan_output_section::set_section_addresses): Ditto.
4758
4759 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4760
4761         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4762         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4763
4764 2010-05-18  Rafael Espindola  <espindola@google.com>
4765
4766         * options.cc (General_options::finalize): Handle -nostdlib.
4767         * options.h (nostdlib): New option.
4768         * script.cc (script_add_search_dir): Handle -nostdlib.
4769
4770 2010-05-12  Doug Kwan  <dougkwan@google.com>
4771
4772         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4773         attributes section only if there no attributes section after merging.
4774         (Target_arm::merge_object_attributes): Move value of
4775         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4776         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4777         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4778         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4779         and arm_attr_merge_7.stdout.
4780         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4781         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4782         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4783         arm_attr_merge_7b.o): New rules.
4784         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4785         arm_attr_merge_7
4786         * testsuite/Makefile.in: Regenerate.
4787         * testsuite/arm_attr_merge.sh: New file.
4788         * testsuite/arm_attr_merge_[67][ab].s: Same.
4789
4790 2010-05-05  Nick Clifton  <nickc@redhat.com>
4791
4792         * po/es.po: Updated Spanish translation.
4793
4794 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4795
4796         * Makefile.am (install-exec-local): Properly install gold as
4797         default cross linker.
4798         * Makefile.in: Regenerated.
4799
4800 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4801             Nick Clifton  <nickc@redhat.com>
4802
4803         * configure.ac (install_as_default): Define and set to false
4804         unless --enable-gold or --enable-gold=both/gold has been
4805         specified.
4806         * configure: Regenerate.
4807
4808         * Makefile.am (install-exec-local): Install the executable as
4809         'ld.gold'.  If install_as_default is true then also install it as
4810         'ld'.
4811         * Makefile.in: Regenerated.
4812
4813 2010-04-24  Ian Lance Taylor  <iant@google.com>
4814
4815         * layout.cc (Layout::layout_reloc): In relocatable link don't
4816         combine reloc sections for grouped sections.
4817
4818 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4819
4820         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4821         sections that are not ordinary to icf.
4822         * icf.cc (get_section_contents): Handle relocation pointing to section
4823         with no object or shndx information.
4824         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4825         * testsuite/Makefile.in: Regenerate.
4826         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4827         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4828
4829 2010-04-22  Ian Lance Taylor  <iant@google.com>
4830
4831         * expression.cc (Expression::Expression_eval_info): Add
4832         result_alignment_pointer field.
4833         (Expression::eval_with_dot): Add result_alignment_pointer
4834         parameter.  Change all callers.
4835         (Expression::eval_maybe_dot): Likewise.
4836         (class Binary_expression): Add alignment_pointer parameter to
4837         left_value and right_value.  Change all callers.
4838         (BINARY_EXPRESSION): Set result alignment.
4839         (class Trinary_expression): Add alignment_pointer parameter to
4840         arg2_value and arg3_value.  Change all callers.
4841         (Trinary_cond::value): Set result alignment.
4842         (Max_expression::value, Min_expression::value): Likewise.
4843         (Align_expression::value): Likewise.
4844         * script-sections.cc (class Sections_element): Add dot_alignment
4845         parameter to set_section_addresses virtual function.  Update
4846         instantiations.
4847         (class Output_section_element): Likewise.
4848         (Script_sections::create_segments): Add dot_alignment parameter.
4849         Change all callers.
4850         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4851         (Script_sections::set_phdrs_clause_addresses): Likewise.
4852         * script-sections.h: Update declarations.
4853         * script.h: Update declarations.
4854         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4855         min_p_align.
4856         * testsuite/script_test_3.t: Set large alignment.
4857         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4858         segment has expected alignment.
4859
4860 2010-04-22  Nick Clifton  <nickc@redhat.com>
4861
4862         * po/gold.pot: Updated by the Translation project.
4863         * po/vi.po: Updated Vietnamese translation.
4864
4865 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4866
4867         * testsuite/Makefile.am (check_PROGRAMS): Add
4868         icf_virtual_function_folding_test.
4869         * testsuite/Makefile.in: Regenerated.
4870
4871 2010-04-15  Andrew Haley  <aph@redhat.com>
4872
4873         * options.h (merge_exidx_entries): New option.
4874         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4875         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4876         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4877         (Target_arm::merge_exidx_entries): New function.
4878         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4879         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4880         to Arm_exidx_fixup constructor.
4881         Add new arg, merge_exidx_entries.
4882         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4883         Arm_output_section::fix_exidx_coverage.
4884
4885 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4886
4887         * icf.cc (get_section_contents): Check for preemptible functions.
4888         Ignore addend when appropriate.
4889         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4890         section folded.
4891         (add_from_relobj): Check for section folded.
4892         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4893         * symtab.h (should_add_dynsym_entry): Add new parameter.
4894         * target-reloc.h (scan_relocs): Check for section folded.
4895         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4896         Check reloc types for function pointers in shared objects.
4897         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4898         case.
4899         (icf_preemptible_functions_test): New test case.
4900         (icf_string_merge_test): New test case.
4901         * testsuite.Makefile.in: Regenerate.
4902         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4903         bar_glob.  Refactor code.
4904         * testsuite/icf_preemptible_functions_test.cc: New file.
4905         * testsuite/icf_preemptible_functions_test.sh: New file.
4906         * testsuite/icf_string_merge_test.cc: New file.
4907         * testsuite/icf_string_merge_test.sh: New file.
4908         * testsuite/icf_virtual_function_folding_test.cc: New file.
4909         * testsuite/icf_virtual_function_folding_test.sh: New file.
4910
4911 2010-04-14  Doug Kwan  <dougkwan@google.com>
4912
4913         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4914         for local symbol recounting if we remove a section due to ICF.
4915         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4916         there are no regular objects in input.
4917
4918 2010-04-13  Doug Kwan  <dougkwan@google.com>
4919
4920         * arm.cc (Arm_input_section::set_final_data_size): Compute
4921         accurate final data size instead of using current data size.
4922
4923 2010-04-09  Doug Kwan  <dougkwan@google.com>
4924
4925         * layout.cc (Layout::choose_output_section): Handle script section
4926         types.
4927         (Layout::make_output_section_for_script): Add section type parameter.
4928         Handle script section types.
4929         * layout.h (Layout::make_output_section_for_script): Add section
4930         type parameter.
4931         * output.cc (Output_section::Output_section): Initialize data member
4932         is_noload_.
4933         (Output_section::do_reset_address_and_file_offset): Do not set address
4934         to 0 if section is a NOLOAD section.
4935         * output.h (Output_section::is_noload): New method.
4936         (Output_section::set_is_noload): Ditto.
4937         (Output_section::is_noload_): New data member.
4938         * script-c.h (Script_section_type): New enum type.
4939         (struct Parser_output_section_header): Add new file section_type.
4940         * script-sections.cc (Sections_element::output_section_name): Add
4941         parameter for returning script section type.
4942         (Output_section_definition::output_section_name): Ditto.
4943         (Output_section_definition::section_type)P; New method.
4944         (Output_section_definiton::script_section_type_name): Ditto.
4945         (Output_section_definition::script_section_type_): New data member.
4946         (Output_section_definition::Output_section_definition): Initialize
4947         data member Output_section_definition::script_section_type_.
4948         (Output_section_definition::create_sections): Pass script section type
4949         to Layout::make_output_section_for_script.
4950         (Output_section_definition::output_section_name): Return script
4951         section type to caller.
4952         (Output_section_definition::set_section_address): Do not advance
4953         dot value and load address if section type is NOLOAD.  Set address
4954         of NOLOAD sections regardless of section flags.
4955         (Output_section_definition::print): Print section type if it is
4956         not SCRIPT_SECTION_TYPE_NONE.
4957         (Output_section_definition::section_type): New method.
4958         (Output_section_definition::script_section_type_name): Ditto.
4959         (Script_sections::output_section_name): Add new parameter
4960         PSECTION_TYPE for returning script section type.  Pass it to
4961         section elements.  Handle discard sections.
4962         (Sort_output_sections::operator()): Handle NOLOAD sections.
4963         * script-sections.h (Script_sections::Section_type): New enum type.
4964         (Script_sections::output_section_name): Add a new parameter for
4965         returning script section type.
4966         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4967         INFO and NOLOAD.
4968         * yyscript.y (union): Add new field SECTION_TYPE.
4969         (COPY, DSECT, INFO, NOLOAD): New tokens.
4970         (opt_address_and_section_type): Change type to output_section_header.
4971         (section_type): New non-terminal
4972         (section_header): Handle section type.
4973         (opt_address_and_section_type): Return section type value.
4974
4975 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4976
4977         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4978         * testsuite/plugin_common_test_2.c (foo): Likewise.
4979
4980 2010-04-08  Doug Kwan  <dougkwan@google.com>
4981
4982         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4983         Output_merge_data.
4984         * output.cc (Output_section::add_merge_input_section): Simplify
4985         code and return status of Output_merge_base::add_input_section.
4986         Update merge section map only if Output_merge_base::add_input_section
4987         returns true.
4988
4989 2010-04-07  Doug Kwan  <dougkwan@google.com>
4990
4991         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4992         if section is marked as containing instructions but has no mapping
4993         symbols.
4994         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4995         correct section index.
4996         (Arm_relobj::find_linked_text_section): Ditto.
4997
4998 2010-04-07  Cary Coutant  <ccoutant@google.com>
4999
5000         * archive.cc (include_member): Destroy Read_symbols_data object before
5001         releasing file.
5002         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5003         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5004         (Read_symbols_data::~Read_symbols_data) New destructor.
5005         (Section_relocs::Section_relocs) New constructor.
5006         (Section_relocs::~Section_relocs) New destructor.
5007         (Read_relocs_data::Read_relocs_data) New constructor.
5008         (Read_relocs_data::~Read_relocs_data) New destructor.
5009         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5010         pointers to NULL after deleting.
5011
5012 2010-04-07  Doug Kwan  <dougkwan@google.com>
5013
5014         * arm.cc: Replace "endianity" with "endianness" in comments.
5015         (Arm_exidx_cantunwind): Ditto.
5016         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5017         (Arm_relobj::merge_flags_and_attributes): New method.
5018         (Arm_relobj::merge_flags_and_attributes_): New data member.
5019         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5020         (Arm_relobj::scan_sections_for_stubs): Ditto.
5021         (Arm_relobj::do_read_symbols): Check to see if we really want to
5022         merge processor-specific flags and attributes.  Exit early if
5023         an object is empty except for section names and the undefined symbol.
5024         (Target_arm::do_finalize_sections): Move check for ELF format to
5025         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5026         attributes from a regular object only when we have determined that
5027         it is aapropriate.  Do not create an .ARM.attributes section in
5028         output if there is no regular input object.
5029         (Target_arm::merge_processor_specific_flags): Check
5030         --warn-mismatch before printing any error.
5031         (Target_arm::merge_object_attributes): Ditto.
5032         * gold.cc (queue_middle_tasks): Handle the case in which there is
5033         no regular object in input.
5034         * options.cc (General_options::parse_EB): New method.
5035         (General_options::parse_EL): Same.
5036         (General_options::General_options): Initialize endianness_.
5037         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5038         New options.
5039         (General_options::Endianness): New enum.
5040         (General_options::endianness): New method.
5041         (General_options::endianness_): New data member.
5042         * parameters.cc (Parameters::set_options): Check target endianness.
5043         (Parameters::set_target_once): Ditto.
5044         (Parameters::check_target_endianness): New method.
5045         (parameters_force_valid_target): If either -EL or -EB is specified,
5046         use it to define endianness of default target.
5047         * parameters.h (Parameters::check_target_endianness): New method
5048         declaration.
5049         * target.h (class Target): Change "endianity" to "endianness"
5050         in comments.
5051
5052 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5053
5054         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5055         * configure: Regenerate.
5056         * Makefile.in: Regenerate.
5057         * testsuite/Makefile.in: Regenerate.
5058
5059 2010-04-06  Cary Coutant  <ccoutant@google.com>
5060
5061         gcc PR lto/42757
5062         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5063         prevailing definitions of common symbols.
5064         * testsuite/plugin_test_6.sh: New test case.
5065         * testsuite/plugin_common_test_1.c: New test case.
5066         * testsuite/plugin_common_test_2.c: New test case.
5067         * testsuite/Makefile.am (plugin_test_6): New test case.
5068         * testsuite/Makefile.in: Regenerate.
5069
5070 2010-04-06  Nick Clifton  <nickc@redhat.com>
5071
5072         * po/vi.po: New Vietnamese translation.
5073
5074 2010-03-30  Doug Kwan  <dougkwan@google.com>
5075
5076         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5077
5078 2010-03-25  Doug Kwan  <dougkwan@google.com>
5079
5080         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5081         to avoid a conversion warning on a 32-bit host.
5082
5083 2010-03-24  Ian Lance Taylor  <iant@google.com>
5084
5085         * testsuite/script_test_3.t: Add a TLS segment.
5086         * testsuite/Makefile.am (check_PROGRAMS): Add
5087         tls_phdrs_script_test.
5088         (tls_phdrs_script_test_SOURCES): Define.
5089         (tls_phdrs_script_test_DEPENDENCIES): Define.
5090         (tls_phdrs_script_test_LDFLAGS): Define.
5091         (tls_phdrs_script_test_LDADD): Define.
5092         * testsuite/Makefile.in: Rebuild.
5093
5094 2010-03-23  Cary Coutant  <ccoutant@google.com>
5095
5096         * fileread.cc (find_or_make_view): Fix comment.
5097
5098 2010-03-23  Ian Lance Taylor  <iant@google.com>
5099
5100         * script-sections.cc (class Orphan_section_placement): Define
5101         PLACE_TLS and PLACE_TLS_BSS.
5102         (Orphan_section_placement::Orphan_section_placement): Initialize
5103         new places.
5104         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5105         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5106         (tls_script_test_SOURCES): Define.
5107         (tls_script_test_DEPENDENCIES): Define.
5108         (tls_script_test_LDFLAGS): Define.
5109         (tls_script_test_LDADD): Define.
5110         * testsuite/Makefile.in: Rebuild.
5111
5112 2010-03-22  Doug Kwan  <dougkwan@google.com>
5113
5114         * arm.cc (Arm_relocate_functions::abs8,
5115         Arm_relocate_functions::abs16): Use correct check for overflow
5116         specified in the ARM ELF specs.
5117         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5118         target of a BLX instruction specially.
5119         (Reloc_stub::stub_type_for_reloc): Ditto.
5120         (Relocate::relocate): Use symbolic names instead of numeric relocation
5121         codes to report error.
5122         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5123         workaround.
5124         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5125         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5126         thumb2_blx_out_of_range.stdout
5127         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5128         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5129         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5130         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5131         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5132         thumb2_blx_in_range, thumb2_blx_in_range.o,
5133         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5134         thumb2_blx_out_of_range.o): New rules.
5135         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5136         thumb2_blx_in_range and thumb2_blx_out_of_range.
5137         * testsuite/Makefile.in: Regenerate.
5138         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5139         * testsuite/thumb_blx_in_range.s: New file.
5140         * testsuite/thumb_blx_out_of_range.s: New file.
5141
5142 2010-03-22  Rafael Espindola  <espindola@google.com>
5143
5144         * archive.cc (Should_include): Move to archive.h.
5145         (should_include_member): Make it a member of Archive.
5146         (Lib_group): New.
5147         (Add_lib_group_symbols): New.
5148         * archive.h: Include options.h.
5149         (Archive_member): Moved from Archive.
5150         (Should_include): Moved from archive.cc.
5151         (Lib_group): New.
5152         (Add_lib_group_symbols): New.
5153         * dynobj.cc (do_should_include_member): New.
5154         * dynobj.h (do_should_include_member): New.
5155         * gold.cc (queue_initial_tasks): Update call to queue.
5156         * main.cc (main): Print lib group stats.
5157         * object.cc (do_should_include_member): New.
5158         * object.h: Include archive.h.
5159         (Object::should_include_member): New.
5160         (Object::do_should_include_member): New.
5161         (Sized_relobj::do_should_include_member): New.
5162         * options.cc (General_options::parse_start_lib): New.
5163         (General_options::parse_end_lib): New.
5164         (Input_arguments::add_file): Handle lib groups.
5165         (Input_arguments::start_group): Check we are not in a lib.
5166         (Input_arguments::start_lib): New.
5167         (Input_arguments::end_lib): New.
5168         * options.h (General_options): Add start_lib and end_lib.
5169         (Input_argument::lib_): New.
5170         (Input_argument::lib): New.
5171         (Input_argument::is_lib): New.
5172         (Input_file_lib): New.
5173         (Input_arguments::in_lib_): New.
5174         (Input_arguments::in_lib): New.
5175         (Input_arguments::start_lib): New.
5176         (Input_arguments::end_lib_): New.
5177         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5178         in unused members as preempted.
5179         (Sized_pluginobj::do_should_include_member): New.
5180         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5181         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5182         return the blocker.
5183         (Read_symbols::do_whole_lib_group): New.
5184         (Read_symbols::do_lib_group): New.
5185         (Read_symbols::do_read_symbols): Handle lib groups.
5186         (Read_symbols::get_name): Handle lib groups.
5187         * readsyms.h (Read_symbols): Add an archive member pointer.
5188         (Read_symbols::do_whole_lib_group): New.
5189         (Read_symbols::do_lib_group): New.
5190         (Read_symbols::member_): New.
5191         * script.cc (read_input_script): Update call to queue_soon.
5192
5193 2010-03-19  Doug Kwan  <dougkwan@google.com>
5194
5195         * arm.cc (Stub_table::Stub_table): Initialize new data members
5196         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5197         (Stub_table::add_reloc_stub): Assign stub offset and update
5198         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5199         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5200         New data members.
5201         (Stub_table::update_data_size_and_addralign): Use
5202         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5203         instead of going over all reloc stubs.
5204         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5205         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5206         Stringpool_template::offset_ to size of Stringpool_char.
5207         (Stringpool_template::new_key_offset): Remove code to initialize
5208         Stringpool_template::offset_.
5209         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5210         Stringpool_template::offset_ to zero.
5211
5212 2010-03-15  Doug Kwan  <dougkwan@google.com>
5213
5214         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5215         offset_.
5216         (Stringpool_template::new_key_offset): New method.
5217         (Stringpool_template::add_string): Assign offsets when adding new
5218         strings.
5219         (Stringpool_template::set_string_offsets): Do not set string offsets
5220         when not optimizing.
5221         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5222         member size_.
5223         (Chunked_vector::clear): Clear size_.
5224         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5225         (Chunked_vector::size): Return size_.
5226         (Chunked_vector::push_back): Use size_ to find insert position.
5227         (Chunked_vector::size_): New data member.
5228         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5229         (Stringpool_template::new_key_offset): New method declaration.
5230         (Stringpool_template::offset_): New data member.
5231
5232 2010-03-15   Rafael Espindola  <espindola@google.com>
5233
5234         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5235         Add_symbols' constructor.
5236         * readsyms.h (Add_symbols): Remove the input_group member.
5237
5238 2010-03-10  Ian Lance Taylor  <iant@google.com>
5239
5240         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5241         target to ask whether a reference to a symbol requires a stack
5242         split.
5243         * target.h (Target::is_call_to_non_split): New function.
5244         (Target::do_is_call_to_non_split): Declare virtual function.
5245         * target.cc: Include "symtab.h".
5246         (Target::do_is_call_to_non_split): New function.
5247         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5248
5249 2010-03-10  Cary Coutant  <ccoutant@google.com>
5250
5251         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5252         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5253         (File_read::open[2]): Add whole_file_view_ to list of views.
5254         (File_read::make_view): Remove test of whole_file_view_.
5255         (File_read::find_or_make_view): Create whole_file_view_ if
5256         necessary.
5257         (File_read::clear_views): Replace bool parameter with enum;
5258         adjust all callers.  Don't delete views with permanent data;
5259         do delete cached views and views from archives if
5260         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5261         if clearing the corresponding view.
5262         * fileread.h (File_read::Clear_views_mode): New enum.
5263         (File_read::View::is_permanent_view): New method.
5264         (File_read::clear_views): Replace bool parameter
5265         with enum; adjust all callers.
5266         * options.h (General_options): Change keep_files_mapped option;
5267         add map_whole_files.
5268         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5269         releasing the file.
5270         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5271         the file.
5272
5273 2010-03-10  David S. Miller  <davem@davemloft.net>
5274
5275         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5276
5277 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5278
5279         * icf.cc (get_section_contents): Add '@' marker after processing the
5280         merge reloc.
5281
5282 2010-03-08  Doug Kwan  <dougkwan@google.com>
5283
5284         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5285         due to a conversion warning.
5286         (Arm_relobj::update_output_local_symbol_count): Check for local
5287         symbol with unset output index.
5288
5289 2010-03-05  Ian Lance Taylor  <iant@google.com>
5290
5291         * options.h (class General_options): Add --spare-dynamic-tags.
5292         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5293         --spare-dynamic-tags.
5294
5295 2010-03-05  Ian Lance Taylor  <iant@google.com>
5296
5297         * incremental.cc: Include "libiberty.h".
5298
5299 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5300
5301         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5302         function, is_info_ member.
5303         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5304         (Versions::Versions): Update caller.
5305         (Versions::define_base_version): Likewise.
5306         (Versions::add_def): Likewise.
5307
5308 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5309
5310         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5311         (Scan::possible_function_pointer_reloc): New function.
5312         (Scan::local_reloc_may_be_function_pointer): Change to call
5313         possible_function_pointer_reloc.
5314         (Scan::global_reloc_may_be_function_pointer): Ditto.
5315         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5316         relocations in ".data.rel.ro._ZTV" section.
5317         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5318         * testsuite/icf_safe_so_test.cc: Ditto.
5319         * testsuite/icf_safe_test.cc: Ditto.
5320         * testsuite/icf_safe_test.sh: Ditto.
5321
5322 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5323             Ian Lance Taylor  <iant@google.com>
5324
5325         * target-reloc.h (relocate_section): Check the symbol table index
5326         for -1U before setting the local symbol index.
5327         (scan_relocatable_relocs): If copying the relocation, record that
5328         the local symbol is required.
5329         * object.h (Symbol_value::is_output_symtab_index_set): New
5330         function.
5331         (Symbol_value::may_be_discarded_from_output_symtab): New
5332         function.
5333         (Symbol_value::has_output_symtab_entry): New function.
5334         (Symbol_value::needs_output_symtab_entry): Remove.
5335         (Symbol_value::output_symtab_index): Make sure the symbol index is
5336         set.
5337         (Symbol_value::set_output_symtab_index): Make sure the symbol
5338         index is not set.  Make sure the new index is valid.
5339         (Symbol_value::set_must_have_output_symtab_entry): New function.
5340         (Symbol_value::has_output_dynsym_entry): New function.
5341         (Symbol_value::set_output_dynsym_index): Make sure the new index
5342         is valid.
5343         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5344         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5345         local symbol if permitted.
5346         (Sized_relobj::do_finalize_local_symbols): Call
5347         is_output_symtab_index_set rather than needs_output_symtab_entry.
5348         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5349         rather than needs_output_symtab_entry.  Call
5350         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5351         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5352         is_output_symtab_index_set rather than needs_output_symtab_entry.
5353         * testsuite/discard_locals_relocatable_test.c: New file.
5354         * testsuite/discard_locals_test.sh: Test -r.
5355         * testsuite/Makefile.am (check_DATA): Add
5356         discard_locals_relocatable_test1.syms,
5357         discard_local_relocatable_test2.syms.
5358         (MOSTLYCLEANFILES): Likewise.  Also add
5359         discard_locals_relocatable_test1.lout and
5360         discard_locals_relocatable_test2.out.
5361         (discard_locals_relocatable_test1.syms): New target.
5362         (discard_locals_relocatable_test.o): New target.
5363         (discard_locals_relocatable_test1.out): New target.
5364         (discard_locals_relocatable_test2.syms): New target.
5365         (discard_locals_relocatable_test2.out): New target.
5366         (various): Add missing ../ld-new dependencies.
5367         * testsuite/Makefile.in: Rebuild.
5368
5369 2010-03-03  Nick Clifton  <nickc@redhat.com>
5370
5371         * po/fi.po: New Finnish translation.
5372
5373 2010-03-01  Doug Kwan  <dougkwan@google.com>
5374
5375         * layout.cc (Layout::Layout): Force section types of .init_array*,
5376         .preinit_array* and .fini_array* sections.
5377         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5378         Fix check of return value of std::string::find.().
5379         (Output_section::Input_section_sort_compare::operator()): Remove
5380         comment about .init_array.
5381         (Output_section::Input_section_sort_init_fini_compare::operator()):
5382         New method.
5383         (Output_section::sort_attached_input_sections): Handle .init_array
5384         and .fini_array specially.
5385         * output.h (Output_section::Inut_section_sort_compare): Update
5386         comment.
5387         (Output_section::Input_section_sort_init_fini_compare): New struct.
5388
5389 2010-02-26  Doug Kwan  <dougkwan@google.com>
5390
5391         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5392         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5393         * testsuite/debug_msg.sh: Avoid matching source line number for
5394         use of global variable undef_int.
5395
5396 2010-02-26  Doug Kwan  <dougkwan@google.com>
5397
5398         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5399         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5400         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5401         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5402         * options.cc (General_options::General_options): Initialize member
5403         fix_v4bx_.
5404         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5405         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5406         and rm_no_fix_v4bx.stdout
5407         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5408         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5409         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5410         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5411         and arm_no_fix_v4bx.
5412         * Makefile.in: Regenerate.
5413         * testsuite/arm_fix_v4bx.s: New file.
5414         * testsuite/arm_fix_v4bx.sh: Ditto.
5415
5416 2010-02-24  Doug Kwan  <dougkwan@google.com>
5417
5418         * arm.cc (Target_arm::got_section): Make the .got section the first
5419         non RELRO section in the data segment.
5420         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5421         suffixes of section names.
5422
5423 2010-02-24  Doug Kwan  <dougkwan@google.com>
5424
5425         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5426         flags and attributes merging if an input file is a binary file.
5427         * fileread.cc (Input_file::open): Record format of original file.
5428         * fileread.h (Input_file::Format): New enum type.
5429         (Input_file::Input_file): Initialize data member format_.
5430         (Input_file::format): New method definition.
5431         (Input_file::format_):: New data member.
5432
5433 2010-02-24  Doug Kwan  <dougkwan@google.com>
5434
5435         * arm.cc (Arm_output_data_got): New class.
5436         (ARM_TCB_SIZE): New constant
5437         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5438         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5439         If user uses a script with a SECTIONS clause, issue only a warning
5440         for a misplaced EXIDX input section.  Otherwise, issue an error.
5441         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5442         garbage collection.
5443         (Target_arm::got_mode_index_entry): Handle static linking.
5444         (Target_arm::Scan::local): Ditto.
5445         (Target_arm::Scan::global): Ditto.
5446         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5447         all incorrectly implemented relocations.
5448         (Target_arm::fix_exidx_coverage): Pass layout to
5449         Arm_output_section::fix_exidx_coverage.
5450         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5451         from ".ARM.exidx." and ".ARM.extab.".
5452
5453 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5454
5455         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5456         section if it does not already exist.
5457         * attributes.cc (Attributes_section_data::Attributes_section_data):
5458         Don't crash if size is zero.
5459
5460 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5461             Ian Lance Taylor  <iant@google.com>
5462
5463         * gold.cc (queue_middle_tasks): If no input files were opened,
5464         exit.
5465         * workqueue.h (Task_function::Task_function): Assert that there is
5466         a blocker.
5467
5468 2010-02-22  Doug Kwan  <dougkwan@google.com>
5469
5470         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5471         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5472         types to avoid warnings due to different uint64_t implementations
5473         on different hosts.
5474
5475 2010-02-21  Doug Kwan  <dougkwan@google.com>
5476
5477         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5478         handling of the maximum backward branch offset.
5479         (Arm_relocate_functions::thumb_branch_common): Ditto.
5480         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5481         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5482         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5483         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5484         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5485         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5486         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5487         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5488         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5489         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5490         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5491         thumb2_bl_out_of_range.o): New rules.
5492         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5493         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5494         thumb2_bl_out_of_range
5495         * testsuite/Makefile.in: Regenerate.
5496         * testsuite/arm_bl_in_range.s: New file.
5497         * testsuite/arm_bl_out_of_range.s: Ditto.
5498         * testsuite/arm_branch_in_range.sh: Ditto.
5499         * testsuite/arm_branch_range.t: Ditto.
5500         * testsuite/thumb2_branch_range.t: Ditto.
5501         * testsuite/thumb_bl_in_range.s: Ditto.
5502         * testsuite/thumb_bl_out_of_range.s: Ditto.
5503         * testsuite/thumb_branch_range.t: Ditto.
5504
5505 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5506
5507         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5508         Add reloc offset information.
5509         * icf.cc (get_section_contents): Change iterators to point to the new
5510         vectors. Add reloc offset information to the contents.
5511         * icf.h (Icf::Sections_reachable_info): New typedef.
5512         (Icf::Sections_reachable_list): New typedef.
5513         (Icf::Offset_info): New typedef.
5514         (Icf::Reloc_info): New struct typedef.
5515         (Icf::Reloc_info_list): New typedef.
5516         (Icf::symbol_reloc_list): Delete method.
5517         (Icf::addend_reloc_list): Delete method.
5518         (Icf::section_reloc_list): Delete method.
5519         (Icf::reloc_info_list): New method.
5520         (Icf::reloc_info_list_): New member.
5521
5522 2010-02-19  Doug Kwan  <dougkwan@google.com>
5523
5524         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5525         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5526         * arm.cc (Arm_relocation_functions): New forward declaration.
5527         (Target_arm::Target_arm): Initialize new data members
5528         got_mod_index_offset_ and tls_base_symbol_defined_.
5529         (Target_arm::Relocate::relocate_tls): New method.
5530         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5531          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5532         New methods.
5533         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5534         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5535         (Target_arm::got_mod_index_offset_,
5536         Target_arm::tls_base_symbol_defined_): New data members.
5537         (Target_arm::Scan::local, Target::Scan::global,
5538         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5539         relocations.
5540
5541 2010-02-18  Doug Kwan  <dougkwan@google.com>
5542
5543         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5544         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5545         text section as a parameter becuase some broken tools may not set
5546         the link in section header.
5547         (Target_arm::has_got_section): New method.
5548         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5549         without any mapping symbol as data only.  Remove warning.
5550         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5551         link in its section header, try to discover the link by inspecting the
5552         REL31 relocation at the beginning of the section.
5553         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5554         in error message.
5555         (Target_arm::Scan::global): Treat any reference to the symbol
5556         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5557
5558 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5559
5560         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5561         (Scan::global_reloc_may_be_function_pointer): New function.
5562         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5563         (Scan::global_reloc_may_be_function_pointer): New function.
5564         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5565         (Scan::global_reloc_may_be_function_pointer): New function.
5566         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5567         (Scan::global_reloc_may_be_function_pointer): New function.
5568         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5569         (Scan::global_reloc_may_be_function_pointer): New function.
5570         (Scan::possible_function_pointer_reloc): New function.
5571         (Target_x86_64::can_check_for_function_pointers): New function.
5572         * gc.h (gc_process_relocs): Scan relocation types to determine if
5573         function pointers were taken for targets that support it.
5574         * icf.cc (Icf::find_identical_sections): Include functions for
5575         folding in safe ICF whose pointer is not taken.
5576         * icf.h (Secn_fptr_taken_set): New typedef.
5577         (fptr_section_id_): New member.
5578         (section_has_function_pointers): New function.
5579         (set_section_has_function_pointers): New function.
5580         (check_section_for_function_pointers): New function.
5581         * options.h: Fix comment for safe ICF option.
5582         * target.h (can_check_for_function_pointers): New function.
5583         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5584         Modify icf_safe_test for X86-64.
5585         * testsuite/Makefile.in: Regenerate.
5586         * testsuite/icf_safe_so_test.cc: New file.
5587         * testsuite/icf_safe_so_test.sh: New file.
5588         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5589         (main): Change to take pointer to function kept_func_3.
5590         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5591         folding is done correctly for X86-64.
5592
5593 2010-02-12  David S. Miller  <davem@davemloft.net>
5594
5595         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5596         is_symbolless parameter.
5597         (Output_reloc<SHT_REL>::is_symbolless): New.
5598         (Output_reloc<SHT_REL>::is_symbolless_): New.
5599         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5600         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5601         (Output_reloc<SHT_RELA>::is_symbolless): New.
5602         (Output_data_reloc::add_global): Handle is_symbolless.
5603         (Output_data_reloc::add_global_relative): Likewise.
5604         (Output_data_reloc::add_local): Likewise.
5605         (Output_data_reloc::add_local_relative): Likewise.
5606         (Output_data_reloc::add_symbolless_global_addend): New.
5607         (Output_data_reloc::add_symbolless_local_addend): New.
5608         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5609         is_symbolless.
5610         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5611         instead of ->is_relative_
5612         (Output_reloc::write): Likewise.
5613         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5614         (Output_reloc::write_rel): Simplify.
5615
5616         * sparc.cc (Target_sparc::Scan::local): Use
5617         ->add_symbolless_local_addend as needed.
5618         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5619         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5620         based upon relocation offset.
5621
5622 2010-02-11  Doug Kwan  <dougkwan@google.com>
5623
5624         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5625         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5626         beginning of function.
5627         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5628         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5629         parameter is_32bit in calls to should_apply_static_reloc.
5630         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5631         (check_DATA): Add arm_abs_global.stdout.
5632         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5633         arm_abs_global.stdout): New rules.
5634         (MOSTLLYCLEANFILES): Add arm_abs_global
5635         * Makefile.in: Regenerate.
5636         * testsuite/arm_abs_global.s: New file.
5637         * testsuite/arm_abs_global.sh: Ditto.
5638         * testsuite/arm_abs_lib.s: Ditto.
5639
5640 2010-02-11  Ian Lance Taylor  <iant@google.com>
5641
5642         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5643         Read_relocs task.
5644         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5645         Allocate_commons_task first.
5646         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5647         task, rather than symtab_lock_.
5648         (Gc_process_relocs::~Gc_process_relocs): New function.
5649         (Gc_process_relocs::is_runnable): Check this_blocker_.
5650         (Gc_process_relocs::locks): Use next_blocker_ rather than
5651         blocker_.
5652         (Scan_relocs::~Scan_relocs): New function.
5653         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5654         symtab_lock_.
5655         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5656         next_blocker_.
5657         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5658         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5659         constructor accordingly.
5660         (class Gc_process_relocs): Likewise.
5661         (class Scan_relocs): Likewise.
5662         * common.h (class Allocate_commons_task): Remove symtab_lock_
5663         field, and corresponding constructor parameter.
5664         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5665         symtab_lock_.
5666         (Allocate_commons_task::locks): Likewise.
5667
5668 2010-02-11  Ian Lance Taylor  <iant@google.com>
5669
5670         * gold-threads.h (class Once): Define.
5671         (class Initialize_lock): Rewrite as child of Once.
5672         * gold-threads.cc (class Once_initialize): Define.
5673         (once_pointer_control): New static variable.
5674         (once_pointer, once_arg): New static variables.
5675         (c_run_once): New static function.
5676         (Once::Once, Once::run_once, Once::internal_run): New functions.
5677         (class Initialize_lock_once): Remove.
5678         (initialize_lock_control): Remove.
5679         (initialize_lock_pointer): Remove.
5680         (initialize_lock_once): Remove.
5681         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5682         (Initialize_lock::initialize): Rewrite.
5683         (Initialize_lock::do_run_once): New function.
5684         * archive.cc (Archive::interpret_header): Only clear name if it is
5685         not already empty.
5686         * fileread.cc: Include "gold-threads.h"
5687         (file_counts_lock): New static variable.
5688         (file_counts_initialize_lock): Likewise.
5689         (File_read::release): Only increment counts when using --stats.
5690         Use a lock around the increment.
5691         * parameters.cc (class Set_parameters_target_once): Define.
5692         (set_parameters_target_once): New static variable.
5693         (Parameters::Parameters): Move here from parameters.h.
5694         (Parameters::set_target): Rewrite.
5695         (Parameters::set_target_once): New function.
5696         (Parameters::clear_target): Move here and rewrite.
5697         * parameters.h (class Parameters): Update declarations.  Add
5698         set_parameters_target_once_ field.
5699         (Parameters::Parameters): Move to parameters.cc.
5700         (Parameters::clear_target): Likewise.
5701         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5702         task.
5703         (Start_group::~Start_group): New function.
5704         (Start_group::is_runnable): New function.
5705         (Start_group::locks, Start_group::run): New functions.
5706         (Finish_group::run): Change saw_undefined to size_t.
5707         * readsyms.h (class Start_group): Define.
5708         (class Finish_group): Change saw_undefined_ field to size_t.
5709         (Finish_group::Finish_group): Remove saw_undefined and
5710         this_blocker parameters.  Change all callers.
5711         (Finish_group::set_saw_undefined): New function.
5712         (Finish_group::set_blocker): New function.
5713         * symtab.h (class Symbol_table): Change saw_undefined to return
5714         size_t.  Change saw_undefined_ field to size_t.
5715         * target-select.cc (Set_target_once::do_run_once): New function.
5716         (Target_selector::Target_selector): Initialize set_target_once_
5717         field.  Don't initialize lock_ and initialize_lock_ fields.
5718         (Target_selector::instantiate_target): Rewrite.
5719         (Target_selector::set_target): New function.
5720         * target-select.h (class Set_target_once): Define.
5721         (class Target_selector): Update declarations.  Make
5722         Set_target_once a friend.  Remove lock_ and initialize_lock_
5723         fields.  Add set_target_once_ field.
5724
5725 2010-02-10  Ian Lance Taylor  <iant@google.com>
5726
5727         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5728         queueing any tasks.
5729         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5730         (queue_middle_tasks): Add all blockers before queueing any tasks.
5731         (queue_final_tasks): Likewise.
5732         * token.h (Task_token::add_blockers): New function.
5733         * object.h (Input_objects::number_of_relobjs): New function.
5734
5735 2010-02-10  Ian Lance Taylor  <iant@google.com>
5736
5737         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5738         shared, not if not position independent.
5739         * x86_64.cc (Relocate::relocate_tls): Likewise.
5740         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5741         (tls_pie_pic_test): New target.
5742         * testsuite/Makefile.in: Rebuild.
5743
5744         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5745         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5746         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5747         * testsuite/Makefile.in: Rebuild.
5748
5749 2010-02-09  David S. Miller  <davem@davemloft.net>
5750
5751         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5752         R_SPARC_RELATIVE using ->add_local_relative().
5753         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5754
5755         * output.h (Output_data_dynamic::add_section_size): New method
5756         that takes two Output_data objects.
5757         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5758         entry param.  Handle it in initializers.
5759         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5760         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5761         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5762         arg.
5763         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5764         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5765         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5766         for dynrel_includes_plt.
5767         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5768         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5769         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5770         before .rela.plt
5771         (Target_sparc::do_finalize_sections): Update to pass true for
5772         dynrel_includes_plt.
5773         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5774         output before .rela.plt
5775         (Target_powerpc::do_finalize_sections): Update to pass true for
5776         dynrel_includes_plt when 32-bit.
5777
5778 2010-02-08  Doug Kwan  <dougkwan@google.com>
5779
5780         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5781         method.
5782         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5783         Arm_relobj::scan_section_for_cortex_a8_stubs,
5784         Arm_relobj::do_relocation_section): Instead of calling
5785         Output_section::output_address, use faster
5786         Arm_relobj::simple_input_section_output_address.
5787
5788 2010-02-08  David S. Miller  <davem@davemloft.net>
5789
5790         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5791         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5792         relocation helper function.
5793
5794         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5795         just like R_SPARC_GOT{10,13,22}.
5796         (Target_sparc::Scan::local): Likewise.
5797         (Target_sparc::Relocate:relocate): Likewise.
5798
5799 2010-02-06  Ian Lance Taylor  <iant@google.com>
5800
5801         * configure.ac: Rewrite targetobjs duplicate removal code to use
5802         only shell constructs.
5803         * configure: Rebuild.
5804
5805 2010-02-05  Doug Kwan  <dougkwan@google.com>
5806
5807         PR 11247
5808         * arm.cc (Arm_relobj::section_is_scannable): New method.
5809         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5810         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5811
5812 2010-02-04  Doug Kwan  <dougkwan@google.com>
5813
5814         PR 11247
5815         * arm-reloc-property.cc (cstdio): Include.
5816         * configure.ac (targetobjs): Remove duplicates.
5817         * configure: Regenerate.
5818         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5819         big and little endian version for a given address size.
5820
5821 2010-02-03  Doug Kwan  <dougkwan@google.com>
5822
5823         * arm-reloc-property.cc
5824         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5825         definition.
5826         * arm-reloc-property.h
5827         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5828         New method definition.
5829         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5830         declaration.
5831         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5832         overflow to N.
5833         (GOT_PREL): Change implemented to Y.
5834         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5835         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5836         (Arm_relocate_functions::movw_abs_nc): Remove method.
5837         (Arm_relocate_functions::movt_abs): Ditto.
5838         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5839         (Arm_relocate_functions::thm_movt_abs): Ditto.
5840         (Arm_relocate_functions::movw_rel_nc): Ditto.
5841         (Arm_relocate_functions::movw_rel): Ditto.
5842         (Arm_relocate_functions::movt_rel): Ditto.
5843         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5844         (Arm_relocate_functions:thm_movw_rel): Ditto.
5845         (Arm_relocate_functions:thm_movt_rel): Ditto.
5846         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5847         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5848         New method definitions.
5849         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5850         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5851         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5852         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5853         (Target_arm::Relocate::relocate): Check for non-static or
5854         unimplemented relocation code and exit early.  Change calls to
5855         Target_arm::reloc_uses_thumb_bit and
5856         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5857         instead.  Refactor code to handle similar relocations to increase
5858         code sharing.  Remove check for unsupported relocation code in switch
5859         statement.
5860         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5861         relocation property table to find out size.  Change error message to
5862         print out the name of a relocation code instead of the numeric value.
5863         (Target_arm::scan_reloc_for_stub): Use relocation property table
5864         instead of calling Target_arm::reloc_uses_thumb_bit().
5865
5866 2010-02-02  Doug Kwan  <dougkwan@google.com>
5867
5868         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5869         types of relaxed input section.
5870
5871 2010-02-02  Doug Kwan  <dougkwan@google.com>
5872
5873         * Makefile.am (HFILES): Add arm-reloc-property.h.
5874         (DEFFILES): New.
5875         (TARGETSOURCES): Add arm-reloc-property.cc
5876         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5877         (libgold_a_SOURCES): $(DEFFILES)
5878         * Makefile.in: Regenerate.
5879         * arm-reloc-property.cc: New file.
5880         * arm-reloc-property.h: New file.
5881         * arm-reloc.def: New file.
5882         * arm.cc: Update comments.
5883         (arm-reloc-property.h): New included header.
5884         (arm_reloc_property_table): New global variable.
5885         (Target_arm::do_select_as_default_target): New method definition.
5886         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5887         arm-reloc-property to targ_extra_obj.
5888         * parameters.cc (set_parameters_target): Call
5889         Target::select_as_default_target().
5890         * target.h (Target::select_as_default_target): New method definition.
5891         (Target::do_select_as_default_target): Same.
5892
5893 2010-02-01  Doug Kwan  <dougkwan@google.com>
5894
5895         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5896         first_output_text_section_.
5897         (Arm_exidx_fixup::first_output_text_section): New method definition.
5898         (Arm_exidx_fixup::first_output_text_section_): New data member.
5899         (Arm_exidx_fixup::process_exidx_section): Record the first text
5900         output section seen.
5901         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5902         and entsize in output section header.
5903
5904 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5905
5906         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5907         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5908         (Arm_relocate_functions::thm_alu11): New Method.
5909         (Arm_relocate_functions::thm_pc8): New Method.
5910         (Arm_relocate_functions::thm_pc12): New Method.
5911         (Target_arm::Scan::local): Handle the relocations.
5912         (Target_arm::Scan::global): Likewise.
5913         (Target_arm::Relocate::relocate): Likewise.
5914         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5915
5916 2010-01-29  Doug Kwan  <dougkwan@google.com>
5917
5918         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5919         of relocation types as ld.
5920
5921 2010-01-29  Doug Kwan  <dougkwan@google.com>
5922
5923         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5924         to public.
5925         (Arm_relocate_functions::thumb_branch_common): Ditto.
5926         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5927         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5928         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5929         Arm_relocate_functions::jump24): Remove.
5930         (Target_arm::Relocate::relocate): Adjust code to call
5931         Arm_relocation_functions::arm_branch_common and
5932         Arm_relocation_functions::thumb_branch_common instead of their removed
5933         wrappers.  Merge switch-cases together to reduce source code size.
5934
5935 2010-01-29  Doug Kwan  <dougkwan@google.com>
5936
5937         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5938         output_local_symbol_count_needs_update_.
5939         (Arm_relobj::output_local_symbol_count_needs_update,
5940          Arm_relobj::set_output_local_symbol_count_needs_update,
5941          Arm_relobj::update_output_local_symbol_count): New methods.
5942         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5943         member.
5944         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5945         of pointed function as in a R_ARM_PREL31 relocation.
5946         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5947         for output local symbol count updating.
5948         (Target_arm::do_relax): Update output local symbol counts in objects
5949         if necessary.
5950         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5951
5952 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5953
5954         * arm.cc: Added support for the ARM relocations:
5955         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5956         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5957         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5958         movw_prel_nc).
5959         (Arm_relocate_functions::movw_rel): New method.
5960         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5961         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5962         thm_movw_prel_nc).
5963         (Arm_relocate_functions::thm_movw_rel): New method.
5964         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5965         thm_movt_prel).
5966         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5967         relocations.
5968         (Target_arm::Scan::global): Likewise.
5969         (Target_arm::Relocate::relocate): Likewise.
5970         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5971         Likewise.
5972
5973 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5974
5975         * arm.cc: Added support for ARM group relocations.
5976         (Target_arm::reloc_needs_sym_origin): New method.
5977         (Arm_relocate_functions::calc_grp_kn): New method.
5978         (Arm_relocate_functions::calc_grp_residual): New method.
5979         (Arm_relocate_functions::calc_grp_gn): New method.
5980         (Arm_relocate_functions::arm_grp_alu): New Method.
5981         (Arm_relocate_functions::arm_grp_ldr): New Method.
5982         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5983         (Arm_relocate_functions::arm_grp_ldc): New Method.
5984         (Target_arm::Scan::local): Handle the ARM group relocations.
5985         (Target_arm::Scan::global): Likewise.
5986         (Target_arm::Relocate::relocate): Likewise.
5987         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5988         Likewise.
5989
5990 2010-01-26  Doug Kwan  <dougkwan@google.com>
5991
5992         * arm.cc (set): Include.
5993         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5994         pointer type.
5995         (Arm_output_section::Text_section_list): New type.
5996         (Arm_output_section::append_text_sections_to_list): New method.
5997         (Arm_output_section::fix_exidx_coverage): Ditto.
5998         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5999         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6000         Relobj::set_section_offset() instead of
6001         Sized_relobj::invalidate_section_offset().
6002         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6003         parameter for section headers. Ignore relocation sections for
6004         unallocated sections and EXIDX sections.
6005         (Target_arm::fix_exidx_coverage): New method.
6006         (Target_arm::output_section_address_less_than): New type.
6007         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6008         linked text section instead of the EXIDX section.
6009         (Arm_output_section::create_stub_group): Add an assertion to check
6010         that this is not an EXIDX output section.
6011         (Arm_output_section::append_text_sections_to_list): New method.
6012         (Arm_output_section::fix_exidx_coverage): Ditto.
6013         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6014         Arm_relobj::section_needs_reloc_stub_scanning.
6015         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6016         first pass.
6017         (Target_arm::fix_exidx_coverage): New method.
6018         * object.h (Relobj::set_output_section): New method.
6019         (Sized_relobj::invalidate_section_offset): Remove method.
6020         (Sized_relobj::do_invalidate_section_offset): Remove method.
6021         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6022
6023 2010-01-25  Doug Kwan  <dougkwan@google.com>
6024
6025         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6026         Fix warning due to signed and unsigned comparison on a 32-bit host.
6027
6028 2010-01-22  Doug Kwan  <dougkwan@google.com>
6029
6030         * arm.cc (Target_arm::do_relax): Record an output section for section
6031         offset adjustment it contains any stub table that has changed.
6032         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6033         offsets in an output section if necessary.
6034         * output.cc (Output_section::Output_section): Initialize
6035         section_offsets_need_adjustments_.
6036         (Output_section::add_input_section_for_script): Renamed to
6037         Output_section::add_simple_input_section.
6038         (Output_section::save_states): Add a comment.
6039         (Output_section::discard_states): New method defintion.
6040         (Output_section::adjust_section_offsets): Same.
6041         * output.h (Output_section::add_input_section_for_script): Renamed to
6042         Output_section::add_simple_input_section.
6043         (Output_section::discard_states): New method declaration.
6044         (Output_section::adjust_section_offsets): Same.
6045         (Output_section::section_offsets_need_adjustment,
6046         Output_section::set_section_offsets_need_adjustment): New method
6047         definitions.
6048         (Output_section::section_offsets_need_adjustment_): New data member.
6049         * script-sections.cc
6050         (Output_section_element_input::set_section_address): Adjust code for
6051         renaming of Output_section::add_input_section_for_script.
6052         (Orphan_output_section::set_section_address): Same.
6053
6054 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6055
6056         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6057         Fix_v4bx enum values .
6058         * gold/options.h (General_options): New option definitions.
6059         (General_options::fix_v4bx): New method.
6060         (General_options::Fix_v4bx): New enum.
6061         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6062         (General_options::parse_fix_v4bx_interworking): New method.
6063
6064 2010-01-22  Doug Kwan  <dougkwan@google.com>
6065
6066         * arm.cc (Arm_exidx_fixup): New class.
6067
6068 2010-01-21  Doug Kwan  <dougkwan@google.com>
6069
6070         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6071         classes.
6072         (Arm_exidx_section_offset_map): New type.
6073
6074 2010-01-21  Doug Kwan  <dougkwan@google.com>
6075
6076         * arm.cc (Arm_exidx_input_section): New class.
6077         (Arm_relobj::exidx_input_section_by_link,
6078         Arm_relobj::exidx_input_section_by_shndx,
6079         Arm_relobj::make_exidx_input_section): New methods.
6080         (read_arm_attributes_section): Remove.
6081         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6082         information about them.
6083         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6084         to here.
6085
6086 2010-01-20  Doug Kwan  <dougkwan@google.com>
6087
6088         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6089         Input_section_specifier to Section_id.
6090         (Target_arm::new_arm_input_section: Adjust code for change of key
6091         type.
6092         (Target_arm::find_arm_input_section): Ditto.
6093         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6094         (Section_id): Remove.
6095         (Garbage_collection::Section_id_hash): Remove.
6096         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6097         (Section_id): Remove.
6098         (Icf::Section_id_hash): Remove.
6099         * object.h (Section_id, Const_section_id, Section_id_hash,
6100         Const_section_id_hash): New type definitions.
6101         * output.cc (Output_section::add_relaxed_input_section): Change to
6102         use Const_section_id instead of Input_section_specifier as key type.
6103         (Output_section::add_merge_input_section): Ditto.
6104         (Output_section::build_relaxation_map): Change to use Section_id
6105         instead of Input_section_specifier as key type.
6106         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6107         Ditto.
6108         (Output_section::convert_input_sections_to_relaxed_sections): Change
6109         to use Const_section_id instead of Input_section_specifier as key type.
6110         (Output_section::find_merge_section): Ditto.
6111         (Output_section::find_relaxed_input_section): Ditto.
6112         * output.h (Input_section_specifier): Remove class.
6113         (Output_section::Output_section_data_by_input_section_map): Change
6114         key type to Const_section_id.
6115         (Output_section::Output_relaxed_input_section_by_input_section_map):
6116         Ditto.
6117         (Output_section::Relaxation_map): Change key type to Section_id.
6118
6119 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6120
6121         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6122         (class Arm_v4bx_stub): New class.
6123         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6124         (Stub_factory::make_arm_v4bx_stub): New method.
6125         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6126         (Stub_table::empty): Handle v4bx stubs.
6127         (Stub_table::add_arm_v4bx_stub): New method.
6128         (Stub_table::find_arm_v4bx_stub): New method.
6129         (Arm_relocate_functions::v4bx): New method.
6130         (Target_arm::fix_v4bx): New method.
6131         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6132         (Stub_table::relocate_stubs): Likewise.
6133         (Stub_table::do_write): Likewise.
6134         (Stub_table::update_data_size_and_addralign): Likewise.
6135         (Stub_table::finalize_stubs):  Likewise.
6136         (Target_arm::Scan::local): Likewise.
6137         (Target_arm::Scan::global): Likewise.
6138         (Target_arm::do_finalize_sections): Likewise.
6139         (Target_arm::Relocate::relocate): Likewise.
6140         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6141         Likewise.
6142         (Target_arm::scan_reloc_for_stub): Likewise.
6143         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6144
6145 2010-01-19  Ian Lance Taylor  <iant@google.com>
6146
6147         * output.cc (Output_section_headers::do_sized_write): Write large
6148         segment count to sh_info field.
6149         (Output_file_header::do_sized_write): For large segment count,
6150         write PN_XNUM to e_phnum field.
6151
6152 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6153
6154         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6155         (Arm_relocate_functions::thm_jump8): New function.
6156         (Arm_relocate_functions::thm_jump11): New function.
6157         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6158         R_ARM_THM_JUMP11.
6159         (Target_arm::Scan::global): Likewise.
6160         (Target_arm::Relocate::relocate): Likewise.
6161         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6162         Likewise.
6163
6164 2010-01-14  Doug Kwan  <dougkwan@google.com>
6165
6166         * arm.cc (map, utility): Include headers.
6167         (Target_arm::apply_cortex_a8_workaround): New method.
6168         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6169         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6170         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6171         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6172         the --[no-]fix-cortex-a8 command line options.
6173         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6174         (Target_arm::relocate_stub): Use addend in instruction template.
6175         * options.h (DEFINE_bool): Set the user-set flag.
6176         (General_options): Add --[no-]-fix-cortex options.
6177         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6178         : Update fast look-up map after conversion.
6179
6180 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6181
6182         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6183         in the first pass of do_layout.
6184
6185 2010-01-13  Doug Kwan  <dougkwan@google.com>
6186
6187         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6188         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6189         apparent compiler problem of not folding static constant integral
6190         data members of elfcpp::Elf_sizes<32>.
6191
6192 2010-01-13  Doug Kwan  <dougkwan@google.com>
6193
6194         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6195         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6196         Arm_relobj::scan_section_for_cortex_a8_erratum,
6197         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6198         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6199         sections to scan for relocation stubs into a new method
6200         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6201         relocation and Cortex-A8 stub scanning.
6202         (Target_arm::do_relax): Force stubs to be after stubbed sections
6203         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6204         the beginning of a new relaxation pass.  Update a comment.
6205         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6206
6207 2010-01-12  Ian Lance Taylor  <iant@google.com>
6208
6209         * target-reloc.h (visibility_error): New inline function.
6210         (relocate_section): Call visibility_error.
6211         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6212         (MOSTLYCLEANFILES): Likewise.
6213         (protected_4_pic.o, protected_3.err): New targets.
6214         * testsuite/protected_4.cc: New file.
6215
6216 2010-01-12  Doug Kwan  <dougkwan@google.com>
6217
6218         * arm.cc (Cortex_a8_reloc): New class.
6219         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6220         and cortex_a8_relocs_info_.
6221         (Target_arm::fix_cortex_a8): New method definition.
6222         (Target_arm::Cortex_a8_relocs_info): New type.
6223         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6224         New data member declarations.
6225         (Target_arm::scan_reloc_for_stub): Record information about
6226         relocations for THUMB branches that might be exempted from the
6227         Cortex-A8 workaround.
6228         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6229         at the beginning of a relaxation pass.
6230
6231 2010-01-12  Doug Kwan  <dougkwan@google.com>
6232
6233         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6234         (Arm_relobj::Mapping_symbol_position,
6235          Arm_reloj::Mapping_symbol_position_less,
6236          Arm_relobj::Mapping_symbols_info): New types.
6237         (Target_arm::is_mapping_symbol_name): New method definition.
6238         (Arm_relobj::do_count_local_symbols): Save information about mapping
6239         symbols.
6240
6241 2010-01-11  Doug Kwan  <dougkwan@google.com>
6242
6243         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6244         Arm_relocate_functions::thumb32_branch_upper,
6245         Arm_relocate_functions::thumb32_branch_lower,
6246         Arm_relocate_functions::thumb32_cond_branch_offset,
6247         Arm_relocate_functions::thumb32_cond_branch_upper,
6248         Arm_relocate_functions::thumb32_cond_branch_lower,
6249         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6250         branch offset encoding.
6251         (Arm_relocate_functions::thumb_branch_common): Use new branch
6252         offset encoding methods to avoid code duplication.
6253         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6254         (Stub_addend_reader::operator()): Use new branch encoding method
6255         to avoid code duplication.
6256
6257 2010-01-11  Doug Kwan  <dougkwan@google.com>
6258
6259         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6260         (Target_arm::do_finalize_sections): Define special EXIDX section
6261         symbols only if referenced.
6262         * gc.h (Garbage_collection::add_reference): New method.
6263         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6264         code duplication.
6265
6266 2010-01-11  Ian Lance Taylor  <iant@google.com>
6267
6268         * script.cc (Version_script_info::build_expression_list_lookup):
6269         Change complaing about duplicate wildcard match from error to
6270         warning.
6271
6272         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6273         of 2009-12-30.
6274         (Version_script_info::Version_script_info): Initialize globs_,
6275         default_version_, default_is_global_, and exact_.  Don't
6276         initialize globals_ or locals_.
6277         (Version_script_info::build_lookup_tables): Build local symbols
6278         first.
6279         (Version_script_info::unquote): New function.
6280         (Version_script_info::add_exact_match): New function.
6281         (Version_script_info::build_expression_list_lookup): Remove lookup
6282         parameter.  Add is_global parameter.  Change all callers.  Handle
6283         wildcard pattern specially.  Unquote pattern.  Call
6284         add_exact_match.
6285         (Version_script_info::get_name_to_match): New function.
6286         (Version_script_info::get_symbol_version): New function.
6287         (Version_script_info::get_symbol_version_helper): Remove.
6288         (Version_script_info::check_unmatched_names): Call unquote.
6289         * script.h (class Version_script_info): Change get_symbol_version
6290         to be non-inline and add is_global parameter; change all callers.
6291         Rewrite symbol_is_local.  Update declarations.  Define struct
6292         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6293         Remove globals_ and locals_ members.  Add exact_, globs_,
6294         default_version_, is_global_.
6295         (Version_script_info::Glob): Remove pattern, add expression and
6296         is_global.  Update constructor.  Change all callers.
6297         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6298         default version.
6299         (Versions::symbol_section_contents): If a symbol is undefined, or
6300         defined in a dynamic object, set the version index to
6301         VER_NDX_LOCAL.
6302         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6303         symbol_is_local.
6304         (Symbol_table::add_from_pluginobj): Likewise.
6305         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6306
6307 2010-01-11  Doug Kwan  <dougkwan@google.com>
6308
6309         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6310         (incremental_dump_LDADD): Add linking option for libintl.
6311         * Makefile.in: Regenerate.
6312
6313 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6314
6315         PR gold/11144
6316         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6317         instead of -Ds.
6318         * testsuite/Makefile.in: Regenerated.
6319
6320 2010-01-10  Doug Kwan  <dougkwan@google.com>
6321
6322         * options.h (DEFINE_var): Use parentheses around argument varname__
6323         in macro body to avoid any unintended subsequent substitutions.
6324
6325 2010-01-10  Ian Lance Taylor  <iant@google.com>
6326
6327         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6328         candidates before doing symbol resolution.
6329
6330         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6331         ODR candidates if only one is weak.
6332
6333 2010-01-08  Ian Lance Taylor  <iant@google.com>
6334
6335         * script.cc (Version_script_info::build_expression_list_lookup):
6336         Don't warn about ambiguous version, just record the ambiguity.
6337         (Version_script_info::get_symbol_version_helper): Give error if
6338         version is ambiguous.
6339
6340 2010-01-08  Doug Kwan  <dougkwan@google.com>
6341
6342         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6343           prev_data_size_ and prev_addralign_.  Remove initializer for
6344           deleted data member has_been_changed_.
6345           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6346           to determine if the table is empty.
6347           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6348           Remove.
6349           (Stub_table::add_reloc_stub): Define method in class definition
6350           instead of just declaring it there.
6351           (Stub_table::add_cortex_a8_stub): New method definition.
6352           (Stub_table::update_data_size_and_addralign): Ditto.
6353           (Stub_table::finalize_stubs): Ditto.
6354           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6355           (Stub_table::do_addralign_): Return address alignment in the
6356           (Stub_table::do_reset_address_and_file_offset): Define method in
6357           class definition instead of declaring it there.  Set current data
6358           size to be the data size of the previous pass.
6359           (Stub_table::set_final_data_size): Use current data size as the
6360           final data size.
6361           (Stub_table::relocate_stub): Change parameter type of stub from
6362           Reloc_stub pointer to Stub pointer.
6363           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6364           (Stub_table::Cortex_a8_stub_list): New typedef.
6365           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6366            Stub_table::prev_addralign_): New data member.
6367           (Arm_relobj::Arm_relobj): Initialize data member
6368           section_has_cortex_a8_workaround_.
6369           (Arm_relobj::section_has_cortex_a8_workaround,
6370            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6371            definitions.
6372           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6373           declarations.
6374           (Target_arm::relocate_stub): Change parameter type of stub from
6375           Reloc_stub pointer to Stub pointer.
6376           (Insn_template::size, Insn_template::alignment): Handle
6377           THUMB16_SPECIAL_TYPE.
6378           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6379            Stub_table::update_data_size_and_addralign,
6380            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6381           definitions.
6382           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6383           (Stub_table::do_write): Ditto.
6384           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6385
6386 2010-01-08  Ian Lance Taylor  <iant@google.com>
6387
6388         PR 11108
6389         * symtab.h (class Symbol): Remove fields is_target_special_ and
6390         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6391         (Symbol::is_defined_in_discarded_section): New function.
6392         (Symbol::set_is_defined_in_discarded_section): New function.
6393         (Symbol::has_plt_offset): Rewrite.
6394         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6395         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6396         Don't initialize is_target_special_ or has_plt_offset_.
6397         Initialize is_defined_in_discarded_section_.
6398         (Symbol_table::add_from_relobj): If appropriate, set
6399         is_defined_in_discarded_section.
6400         * resolve.cc (Symbol::override_base_with_special): Don't test
6401         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6402         * target-reloc.h (relocate_section): Do special handling for
6403         symbols defined in discarded sections for global symbols as well
6404         as local symbols.
6405
6406 2010-01-08  Ian Lance Taylor  <iant@google.com>
6407
6408         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6409         the SHT_SYMTAB case.
6410
6411 2010-01-08  Ian Lance Taylor  <iant@google.com>
6412
6413         * object.cc (Sized_relobj::do_layout): Don't get confused if
6414         layout_eh_frame returns NULL.
6415
6416 2010-01-08  Ian Lance Taylor  <iant@google.com>
6417
6418         PR 11084
6419         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6420         dynamic symbol table, use the normal symbol table.
6421         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6422         symbol table.
6423
6424 2010-01-08  Ian Lance Taylor  <iant@google.com>
6425
6426         PR 11072
6427         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6428         sections.
6429
6430 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6431
6432         * version.cc (print_version): Change to "Copyright 2010".
6433
6434 2010-01-08  Ian Lance Taylor  <iant@google.com>
6435
6436         PR 10287
6437         PR 11063
6438         * i386.cc (class Target_i386): Change return type of plt_section
6439         to be non-const.
6440         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6441         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6442         tls_desc_rel_ field.
6443         (Output_data_plt_i386::rel_tls_desc): New function.
6444         (Target_i386::rel_tls_desc_section): New function.
6445         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6446         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6447         R_386_TLS_DESC reloc in rel_tls_desc_section.
6448         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6449         Define struct Tlsdesc_info.
6450         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6451         (Target_x86_64::do_reloc_symbol_index): New function.
6452         (Target_x86_64::add_tlsdesc_info): New function.
6453         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6454         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6455         tlsdesc_rel_ field.
6456         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6457         all callers.
6458         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6459         (Target_x86_64::rela_tlsdesc_section): New function.
6460         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6461         handling.
6462         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6463         (Target_x86_64::do_reloc_addend): New function.
6464         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6465         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6466         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6467         (Output_reloc::type): New function.
6468         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6469         (Output_reloc::is_target_specific): New function.
6470         (Output_reloc::target_arg): New function.
6471         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6472         absolute relocs and target specific relocs.
6473         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6474         add_target_specific.
6475         (class Output_data_reloc) [SHT_RELA]: Likewise.
6476         * output.cc (Output_reloc::Output_reloc): Add four new versions
6477         for absolute relocs and target specific relocs.
6478         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6479         (Output_reloc::get_symbol_index): Likewise.
6480         (Output_reloc::local_section_offset): Check that local_sym_index_
6481         is not TARGET_CODE or 0.
6482         (Output_reloc::symbol_value): Likewise.
6483         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6484         reloc.
6485         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6486         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6487         functions.
6488         * layout.cc (add_target_dynamic_tags): Use output section for
6489         DT_PLTRELSZ and DT_JMPREL.
6490
6491 2010-01-07  Ian Lance Taylor  <iant@google.com>
6492
6493         PR 11061
6494         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6495         function.
6496         (class Output_data_reloc_generic): Define.
6497         (class Output_data_reloc_base): Change base class to
6498         Output_data_reloc_generic.  Change add() method to call
6499         bump_relative_reloc_count for a relative reloc.  Remove
6500         sort_relocs_ field.
6501         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6502         to sort_relocs().
6503         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6504         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6505         appropriate.
6506         * layout.h (class Layout): Update declaration.
6507
6508 2010-01-07  Ian Lance Taylor  <iant@google.com>
6509
6510         * output.h (class Output_data): Add const version of
6511         output_section and do_output_section.
6512         (class Output_section_data): Add const version of
6513         do_output_section.
6514         (class Output_section): Likewise.
6515         * layout.cc (Layout::add_target_dynamic_tags): New function.
6516         * layout.h (class Layout): Update declarations.
6517         * arm.cc (Target_arm::do_finalize_sections): Use
6518         add_target_dynamic_tags.
6519         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6520         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6521         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6522         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6523
6524 2010-01-07  Ian Lance Taylor  <iant@google.com>
6525
6526         PR 11042
6527         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6528         object as needed.
6529
6530 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6531             Ian Lance Taylor  <iant@google.com>
6532
6533         PR 11019
6534         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6535         Xindex::read_symtab_xindex.
6536
6537 2010-01-07  Doug Kwan  <dougkwan@google.com>
6538
6539         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6540         (Insn_template::thumb16_bcond_insn): New method declaration.
6541         (Insn_template): Fix spelling.
6542         (Stub::thumb16_special): New method declaration.
6543         (Stub::do_write): Define virtual method which was previously pure
6544         virtual.
6545         (Stub::do_thumb16_special): New method declaration.
6546         (Stub::do_fixed_endian_write): New template member.
6547         (Reloc_stub::do_write): Remove.
6548         (Reloc_stub::do_fixed_endian_write): Remove.
6549         (Cortex_a8_stub): New class definition.
6550         (Stub_factory::make_cortex_a8_stub): New method definition.
6551         (Stub_factory::Stub_factory): Add missing static storage class
6552         qualifier for elf32_arm_stub_a8_veneer_blx.
6553
6554 2010-01-07  Ian Lance Taylor  <iant@google.com>
6555
6556         PR 10980
6557         * options.h (class General_options): Add --warn-unresolved-symbols
6558         and --error-unresolved-symbols.
6559         * errors.cc (Errors::undefined_symbol): Implement
6560         --warn-unresolved-symbols.
6561
6562         * options.h (class General_options): Add -z text and -z textoff.
6563         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6564
6565 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6566
6567         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6568         (Garbage_collection::cident_sections): New function.
6569         (Garbage_collection::add_cident_section): New function.
6570         (Garbage_collection::cident_sections_): New member.
6571         (gc_process_relocs): Add references to sections whose names are C
6572         identifiers.
6573         * gold.h (cident_section_start_prefix): New constant.
6574         (cident_section_stop_prefix): New constant.
6575         (is_cident): New function.
6576         * layout.cc (Layout::define_section_symbols): Replace string constants
6577         with the newly defined constants.
6578         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6579         C identifiers.
6580         * testsuite/Makefile.am: Add gc_orphan_section_test.
6581         * testsuite/Makefile.in: Regenerate.
6582         * testsuite/gc_orphan_section_test.cc: New file.
6583         * testsuite/gc_orphan_section_test.sh: New file.
6584
6585 2010-01-06  Ian Lance Taylor  <iant@google.com>
6586
6587         PR 10980
6588         * options.h (class General_options): Add --warn-shared-textrel.
6589         * layout.cc (Layout::finish_dynamic_section): Implement
6590         --warn-shared-textrel.
6591
6592         PR 10980
6593         * options.h (class General_options): Add --warn-multiple-gp.
6594
6595 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6596
6597         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6598         $(THREADSLIB) and $(LIBDL).
6599         * Makefile.in: Rebuild.
6600
6601 2010-01-06  Ian Lance Taylor  <iant@google.com>
6602
6603         PR 10980
6604         * options.cc (General_options::parse_section_start): New function.
6605         (General_options::section_start): New function.
6606         (General_options::General_options): Initialize all members.
6607         * options.h: Include <map>
6608         (class General_options): Add --section-start.  Add section_starts_
6609         member.
6610         * layout.cc (Layout::attach_allocated_section_to_segment): If
6611         --section-start was used, set the address of the segment.  Remove
6612         local sort_sections.
6613         (Layout::relaxation_loop_body): If the address of the load segment
6614         has been set by --section-start, don't use it.
6615         * output.h (Output_segment::update_flags_for_output_section): New
6616         function.
6617         * output.cc (Output_segment::add_output_section): Call
6618         update_flags_for_output_section.
6619
6620 2010-01-05  Ian Lance Taylor  <iant@google.com>
6621
6622         PR 10980
6623         * options.h (class General_options): Add --undefined-version.
6624         * script.cc (struct Version_expression): Add was_matched_by_symbol
6625         field.
6626         (Version_script_info::matched_symbol): New function.
6627         (Version_script_info::get_symbol_version_helper): Call
6628         matched_symbol.
6629         (Version_script_info::check_unmatched_names): New function.
6630         * script.h (class Version_script_info): Update declarations.
6631         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6632
6633         * options.h (class General_options): Use DEFINE_bool_alias for
6634         allow_multiple_definition.
6635         * resolve.cc (Symbol_table::should_override): Don't test
6636         allow_multiple_definition.
6637
6638         PR 10980
6639         * options.h (class General_options): Add --cref.
6640         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6641         until after printing cref table.
6642         * cref.cc: Include "symtab.h".
6643         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6644         (Cref_table_compare::operator()): New function.
6645         (Cref_inputs::gather_cref): New function.
6646         (filecol): New static const.
6647         (Cref_inputs::print_cref): New function.
6648         (Cref::print_cref): New function.
6649         * cref.h: Include <cstdio>.
6650         (class Cref): Update declarations.
6651         * mapfile.h (Mapfile::file): New function.
6652         * object.h (class Object): Define Symbols.  Declare virtual
6653         do_get_global_symbols.
6654         (Object::get_global_symbols): New function.
6655         * object.cc (Input_objects::add_object): Pass object to cref_ if
6656         --cref.
6657         (Input_objects::archive_start): Likewise.
6658         (Input_objects::archive_stop): Likewise.
6659         (Input_objects::print_cref): New function.
6660         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6661         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6662         --cref.
6663         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6664         function.
6665         * plugin.h (class Sized_pluginobj): Update declarations.
6666
6667 2010-01-05  Ian Lance Taylor  <iant@google.com>
6668
6669         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6670         to is_default_version.  Rename insdef to insdefault.
6671         (Symbol_table::add_from_relobj): Rename def to is_default_version
6672         and local to is_forced_local.
6673         (Symbol_table::add_from_pluginobj): Likewise.
6674         (Symbol_table::add_from_dynobj): Likewise.
6675         (Symbol_table::define_special_symbol): Rename insdef to
6676         insdefault.
6677
6678 2010-01-04  Ian Lance Taylor  <iant@google.com>
6679
6680         PR 10980
6681         * options.h (class General_options): Add
6682         --allow-multiple-definition and -z muldefs.
6683         * resolve.cc (Symbol_table::should_override): Don't warn about a
6684         multiple symbol definition if --allow-multiple-definition or -z
6685         muldefs.
6686
6687         PR 10980
6688         * options.h (class General_options): Add --add-needed and
6689         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6690         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6691         error if --copy-dt-needed-entries aka --add-needed is used and
6692         would cause a change in behaviour.
6693
6694         PR 10980
6695         * options.h (class General_options): Add -G as a short version of
6696         --shared.  Add no-op options -assert, -g, and -i.
6697
6698 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6699
6700         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6701         check for .text or .gnu.linkonce.t sections.
6702         * icf.cc (Icf::find_identical_sections): Ditto.
6703         Change the detection for mangled function name within the section
6704         name.
6705         * icf.h (is_section_foldable_candidate): New function.
6706
6707 2009-12-30  Ian Lance Taylor  <iant@google.com>
6708
6709         PR 10980
6710         * options.h (class General_options): Permit two dashes with
6711         --retain-symbols-file.
6712
6713 2009-12-30  Ian Lance Taylor  <iant@google.com>
6714
6715         PR 10979
6716         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6717         don't put the file header and segment headers in the text
6718         segment.
6719
6720         PR 10979
6721         * common.cc (Sort_commons::operator()): Stabilize sort when both
6722         entries are NULL.
6723         (Symbol_table::do_allocate_commons_list): When allocating common
6724         symbols, skip a symbol which is no longer common.
6725         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6726         an object before checking its type.
6727         * testsuite/common_test_2.c: New file.
6728         * testsuite/common_test_3.c: New file.
6729         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6730         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6731         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6732         (common_test_2_pic.o, common_test_2.so): New targets.
6733         (common_test_3_pic.o, common_test_3.so): New targets.
6734         * testsuite/Makefile.in: Rebuild.
6735
6736         PR 10979
6737         * script.cc (read_input_script): If we see a new SECTIONS clause,
6738         and we have added an input section, give an error.
6739         * layout.h (class Layout): Add have_added_input_section function.
6740         Add have_added_input_section_ field.
6741         * layout.cc (Layout::Layout): Initialize
6742         have_added_input_section_.
6743         (Layout::layout): Set have_added_input_section_.
6744         (Layout::layout_eh_frame): Likewise.
6745
6746 2009-12-30  Ian Lance Taylor  <iant@google.com>
6747
6748         PR 10931
6749         * options.h (class General_options): Add --sort-common option.
6750         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6751         * common.cc (Sort_common): Add sort_order parameter to
6752         constructor.  Add sort_order_ field.
6753         (Sort_commons::operator): Check sort_order_.
6754         (Symbol_table::allocate_commons): Determine the sort order.
6755         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6756         Change all callers.
6757         (Symbol_table::do_allocate_commons_list): Likewise.
6758
6759 2009-12-30  Ian Lance Taylor  <iant@google.com>
6760
6761         PR 10916
6762         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6763         symbols from this object, don't change the visibility of an
6764         undefined symbol.
6765         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6766
6767 2009-12-30  Ian Lance Taylor  <iant@google.com>
6768
6769         PR 10861
6770         * script.h (class Version_script_info): Define Language enum.
6771         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6772         new fields globals_, locals_, and is_finalized_.
6773         * script.cc: Various formatting fixes.
6774         (class Parser_closure): Change language_stack_ from a vector of
6775         std::string to one of Version_script_info::Language.  Adjust all
6776         uses accordingly.
6777         (class Lazy_demangler): Remove.
6778         (struct Version_expression): Change language from std::string to
6779         Version_script_info::Language.
6780         (Version_script_info::Version_script_info): New function.
6781         (Version_script_info::~Version_script_info): Don't call clear.
6782         (Version_script_info::finalize): New function.
6783         (Version_script_info::build_lookup_tables): New function.
6784         (Version_script_info::build_expression_list_lookup): New
6785         function.
6786         (Version_script_info::get_symbol_version_helper): Rewrite to use
6787         lookup tables.
6788         (Version_script_info::print_expression_list): Adjust to use
6789         Version_script_info::Language.
6790         (script_push_lex_into_version_mode): Check that the version script
6791         has not been finalized.
6792         (version_script_push_lang): Change language string to
6793         Version_script_info::Language.
6794         * options.cc (Command_line::version_script): New function.
6795         * options.h (class General_options): Add finalize_dynamic_list
6796         function.  Change version_script from declaration to definition.
6797         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6798         * testsuite/version_script.map: Remove duplicate def of foo.
6799         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6800         version_script.map.
6801         * testsuite/Makefile.in: Rebuild.
6802
6803 2009-12-30  Ian Lance Taylor  <iant@google.com>
6804
6805         PR 10843
6806         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6807         if the input symbol index is 0, make the output symbol index 0.
6808
6809 2009-12-30  Ian Lance Taylor  <iant@google.com>
6810
6811         PR 10670
6812         * options.h (class General_options): Add -x/--discard-all.
6813         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6814         --discard-all.  If the local symbol needs a dynamic entry, check
6815         that before handling --discard-locals.
6816
6817 2009-12-30  Ian Lance Taylor  <iant@google.com>
6818
6819         PR 10450
6820         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6821         flags to PF_R.
6822         (Output_segment::add_output_section): Don't change the flags if
6823         the type is PT_TLS.
6824
6825         PR 10450
6826         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6827         GNU hash table if they need a dynamic value.  Otherwise, don't add
6828         them if they are defined in a dynamic object or are forced local.
6829
6830 2009-12-29  Ian Lance Taylor  <iant@google.com>
6831
6832         PR 10450
6833         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6834         .gnu.hash table for a 32-bit target.
6835
6836         PR 10450
6837         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6838         regular and a dynamic object only needs a dynamic symbol table
6839         entry if it is externally visible.
6840
6841         PR 10450
6842         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6843         constructor.  Add global_offset_table_ field.
6844         (Target_i386::got_section): Set global_offset_table_.
6845         (Target_i386::do_finalize_sections): Set global_offset_table_
6846         size.
6847         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6848         in constructor.  Add global_offset_table_ field.
6849         (Target_x86_64::got_section): Set global_offset_table_.
6850         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6851         size.
6852
6853         * layout.cc (Layout::Layout): Initialize increase_relro_.
6854         (Layout::get_output_section): Add is_relro, is_last_relro, and
6855         is_first_non_relro parameters.  Change all callers.
6856         (Layout::choose_output_section): Likewise.
6857         (Layout::add_output_section_data): Likewise.
6858         (Layout::make_output_section): Likewise.
6859         (Layout::set_segment_offsets): Clear increase_relro when using a
6860         linker script.
6861         * layout.h (class Layout): Add increase_relro method.  Add
6862         increase_relro_ field.  Update declarations.
6863         * output.cc (Output_section::Output_section): Initialize
6864         is_last_relro_ and is_first_non_relro_.
6865         (Output_segment::add_output_section): Group relro sections is
6866         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6867         (Output_segment::maximum_alignment): Remove relro handling.
6868         (Output_segment::set_section_addresses): Add increase_relro
6869         parameter.  Change all callers.  Add initial alignment to align
6870         relro sections on separate page.  Remove old relro handling.
6871         (Output_segment::set_section_list_addresses): Remove in_relro
6872         parameter.  Change all callers.
6873         (Output_segment::set_offset): Add increase parameter.  Change all
6874         callers.  Remove old relro handling.
6875         * output.h (class Output_section): Add new methods: is_last_relro,
6876         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6877         Add is_last_relro_ and is_first_non_relro_ fields.
6878         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6879         Create separate .got.plt section.  Call increase_relro.
6880         * x86_64.cc (Target_x86_64::got_section): Likewise.
6881         * testsuite/relro_script_test.t: Add .got.plt.
6882
6883         PR 10450
6884         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6885         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6886         (Layout::finalize): Call set_dynamic_symbol_size.
6887         (Layout::set_dynamic_symbol_size): New function.
6888         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6889         set_dynamic_symbol_size.
6890
6891         PR 10450
6892         * output.h (class Output_section): Add is_entsize_zero_ field.
6893         * output.cc (Output_section::Output_section): Initialize
6894         is_entsize_zero_.
6895         (Output_section::set_entsize): If two different entsizes are
6896         requested, force it to zero.
6897         (Output_section::add_input_section): Set flags for .debug_str
6898         before updating section flags.  Set entsize.
6899         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6900         and SHF_STRING if all input sections have those flags.
6901
6902 2009-12-29   Rafael Espindola  <espindola@google.com>
6903
6904         * main.cc (main): Fix the sys time reporting.
6905         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6906         reporting.
6907
6908 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6909
6910         * options.cc (General_options::parse_version): Allow -v to exit
6911         without an error if there is nothing to link.
6912
6913 2009-12-29  Ian Lance Taylor  <iant@google.com>
6914
6915         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6916         using a version of gcc before 4.1.
6917         * configure: Rebuild.
6918
6919 2009-12-28  Chris Demetriou  <cgd@google.com>
6920
6921         * attributes.cc (Output_attributes_section_data::do_write): Use
6922         std::vector::front rather than std::vector::data.
6923
6924 2009-12-28  Ian Lance Taylor  <iant@google.com>
6925
6926         * symtab.h (class Symbol_table): Add enum Defined.
6927         * resolve.cc (Symbol_table::should_override): Add defined
6928         parameter.  Change all callers.  Test whether object is NULL
6929         before calling a method on it.
6930         (Symbol_table::report_resolve_problem): Add defined parameter.
6931         Change all callers.
6932         (Symbol_table::should_override_with_special): Likewise.
6933         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6934         parameter.  Change all callers.
6935         (Symbol_table::do_define_in_output_data): Likewise.
6936         (Symbol_table::define_in_output_segment): Likewise.
6937         (Symbol_table::do_define_in_output_segment): Likewise.
6938         (Symbol_table::define_as_constant): Likewise.
6939         (Symbol_table::do_define_as_constant): Likewise.
6940         * script.h (class Symbol_assignment): Add is_defsym parameter to
6941         constructor; change all callers.
6942         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6943         parameter.  Change all callers.  Add is_defsym_ field.
6944         (class Parser_closure): Add parsing_defsym parameter to
6945         constructor; change all callers.  Add parsing_defsym accessor
6946         function.  Add parsing_defsym_ field.
6947
6948 2009-12-28  Ian Lance Taylor  <iant@google.com>
6949
6950         * gold.cc (queue_middle_tasks): Fix formatting.
6951         * object.cc (Relobj::is_section_name_included): Likewise.
6952
6953 2009-12-23  Ian Lance Taylor  <iant@google.com>
6954
6955         * i386.cc (Target_i386::do_calls_non_split): Recognize
6956         -fsplit-stack prologue for a function with a static chain.
6957         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6958         -fsplit-stack prologue when using %r11.
6959
6960 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6961
6962         * options.cc (General_options::parse_version): Make -v continue and do
6963         the link like GNU ld does.
6964
6965 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6966
6967         * Makefile.am (CCFILES): Add timer.cc.
6968         (HFILES): Add timer.h.
6969         * configure.ac: Check for sysconf and times.
6970         * main.cc: include timer.h.
6971         (main): Use Timer instead of get_run_time.
6972         * timer.cc: New.
6973         * timer.h: New.
6974         * workqueue.cc: include timer.h.
6975         (Workqueue::find_and_run_task):
6976         Report user, sys and wall time.
6977         * Makefile.in: Regenerate.
6978         * config.in: Regenerate.
6979         * configure: Regenerate.
6980
6981 2009-12-16  Doug Kwan  <dougkwan@google.com>
6982
6983         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6984         sections.
6985         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6986         relaxed input sections.
6987         * output.cc (Output_section::find_relaxed_input_section): Change
6988         return type to Output_relaxed_input_section pointer.  Adjust code
6989         for new type of relaxed_input_section_map_.
6990         * output.h (Output_section::find_relaxed_input_section): Change
6991         return type to Output_relaxed_input_section pointer.
6992         (Output_section::Output_relaxed_input_section_by_input_section_map):
6993         New type.
6994         (Output_section::relaxed_input_section_map_): Change type to
6995         Output_section::Output_relaxed_input_section_by_input_section_map.
6996         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6997         input section.
6998
6999 2009-12-15  Ian Lance Taylor  <iant@google.com>
7000
7001         * layout.cc (Layout::create_shstrtab): Only write out after input
7002         sections if we are compressing debug sections.
7003
7004 2009-12-15  Ian Lance Taylor  <iant@google.com>
7005
7006         * archive.cc (Archive::add_symbols): Only look up a symbol without
7007         a version if there is, in fact, a version.
7008
7009 2009-12-14  Ian Lance Taylor  <iant@google.com>
7010
7011         Revert -Wshadow changes, all changes from:
7012         2009-12-11  Doug Kwan  <dougkwan@google.com>
7013         2009-12-11  Nick Clifton  <nickc@redhat.com>
7014         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7015
7016 2009-12-11  Doug Kwan  <dougkwan@google.com>
7017
7018         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7019         due to -Wshadow.
7020         * attributes.cc (Object_attribute::size): Ditto.
7021         (Attributes_section_data::size): Ditto.
7022         (Attributes_section_data::Attributes_section_data): Ditto.
7023         (Output_attributes_section_data::do_write): Ditto.
7024         * attributes.h (Object_attribute::set_type): Ditto.
7025         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7026
7027 2009-12-11  Nick Clifton  <nickc@redhat.com>
7028
7029         * archive.cc: Fix shadowed variable warnings.
7030         * arm.cc: Likewise.
7031         * compressed_output.cc: Likewise.
7032         * compressed_output.h: Likewise.
7033         * configure: Likewise.
7034         * dwarf_reader.cc: Likewise.
7035         * dynobj.cc: Likewise.
7036         * dynobj.h: Likewise.
7037         * ehframe.cc: Likewise.
7038         * ehframe.h: Likewise.
7039         * errors.cc: Likewise.
7040         * expression.cc: Likewise.
7041         * fileread.cc: Likewise.
7042         * fileread.h: Likewise.
7043         * freebsd.h: Likewise.
7044         * i386.cc: Likewise.
7045         * icf.cc: Likewise.
7046         * incremental.h: Likewise.
7047         * layout.cc: Likewise.
7048         * layout.h: Likewise.
7049         * mapfile.cc: Likewise.
7050         * merge.cc: Likewise.
7051         * merge.h: Likewise.
7052         * object.cc: Likewise.
7053         * object.h: Likewise.
7054         * options.h: Likewise.
7055         * output.cc: Likewise.
7056         * output.h: Likewise.
7057         * parameters.cc: Likewise.
7058         * plugin.cc: Likewise.
7059         * powerpc.cc: Likewise.
7060         * reduced_debug_output.cc: Likewise.
7061         * reduced_debug_output.h: Likewise.
7062         * reloc.cc: Likewise.
7063         * reloc.h: Likewise.
7064         * resolve.cc: Likewise.
7065         * script-sections.cc: Likewise.
7066         * script.cc: Likewise.
7067         * script.h: Likewise.
7068         * sparc.cc: Likewise.
7069         * symtab.cc: Likewise.
7070         * symtab.h: Likewise.
7071         * target-select.cc: Likewise.
7072         * target-select.h: Likewise.
7073         * token.h: Likewise.
7074         * workqueue.cc: Likewise.
7075         * workqueue.h: Likewise.
7076         * x86_64.cc: Likewise.
7077
7078 2009-12-10  Doug Kwan  <dougkwan@google.com>
7079
7080         * arm.cc (attributes.h): New include.
7081         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7082         (Arm_relobj::~Arm_relobj): Delete object pointed by
7083         attributes_section_data_.
7084         (Arm_relobj::attributes_section_data): New method definition.
7085         (Arm_relobj::attributes_section_data_): New data member declaration.
7086         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7087         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7088         attributes_section_data_.
7089         (Arm_dynobj::attributes_section_data): New method definition.
7090         (Arm_dynobj::attributes_section_data_): New data member declaration.
7091         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7092         initialization value of may_use_blx_ to false.
7093         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7094         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7095         object attributes to compute results instead of hard-coding.
7096         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7097         Target_arm::get_secondary_compatible_arch,
7098         Target_arm::set_secondary_compatible_arch
7099         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7100         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7101         New method declarations.
7102         (Target_arm::get_aeabi_object_attribute): New method definition.
7103         (Target_arm::attributes_section_data_): New data member declaration.
7104         (read_arm_attributes_section): New template definition.
7105         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7106         (Arm_dynobj::do_read_symbols): Ditto.
7107         (Target_arm::do_finalize_sections): Merge attributes sections from
7108         input.  Check for BLX use after attributes section merging.
7109         Fix __exidx_start and __exidx_end visibility.  Create an
7110         .ARM.attributes section if necessary.
7111         (Target_arm::get_secondary_compatible_arch,
7112         Target_arm::set_secondary_compatible_arch,
7113         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7114         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7115         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7116         New method definitions.
7117
7118 2009-12-09  Ian Lance Taylor  <iant@google.com>
7119
7120         * plugin.cc (Plugin::load): Don't cast from void* to a function
7121         pointer.
7122
7123 2009-12-09  Ian Lance Taylor  <iant@google.com>
7124
7125         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7126         information fields.
7127
7128 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7129
7130         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7131         Replace two_file_shared_1.so with two_file_shared_2.so.
7132         * testsuite/Makefile.in: Regenerated.
7133
7134 2009-12-08  Doug Kwan  <dougkwan@google.com>
7135
7136         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7137         (HFILES): Add attributes.h and int_encoding.h.
7138         * Makefile.in: Regenerate.
7139         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7140         function definitions to int_encoding.cc
7141         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7142         prototypes to int_encoding.h
7143         * reduced_debug_output.cc (int_encoding.h): New include.
7144         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7145         function definitions to int_encoding.cc
7146         (insert_into_vector, read_from_pointer): Move template definitions to
7147         int_encoding.h
7148         * attributes.cc: New file.
7149         * attributes.h: New file.
7150         * int_encoding.cc: New file.
7151         * int_encoding.h: New file.
7152
7153 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7154
7155         PR gold/11055
7156         * incremental-dump.cc (dump_incremental_inputs): New.
7157         (main): Use dump_incremental_inputs.
7158
7159 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7160
7161         PR gold/10893
7162         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7163         checking elfcpp::STT_FUNC.
7164         (Target_i386::Relocate::relocate): Likewise.
7165         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7166
7167         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7168         symbols from shared libraries into normal FUNC symbols.
7169
7170         * symtab.h (Symbol): Add is_func and use it.
7171
7172 2009-12-05  Doug Kwan  <dougkwan@google.com>
7173
7174         * arm.cc (Target_arm::arm_info): Initialize new fields
7175         attributes_section and attributes_vendor.
7176         * i386.cc (Target_i386::i386_info): Same.
7177         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7178         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7179         fields attributes_section and attributes_vendor.
7180         * sparc.cc (Target_sparc::sparc_info): Same.
7181         * target.h (Target::attributes_section, Target::attributes_vendor,
7182         Target::is_attributes_section, Target::attribute_arg_type,
7183         Target::attributes_order): New method definitions.
7184         (Target::Target_info::attributes_section,
7185         Target::Target_info::attributes_vendor): New fields.
7186         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7187         virtual method definitions.
7188         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7189         attributes_section and attributes_vendor.
7190         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7191
7192 2009-12-05  Doug Kwan  <dougkwan@google.com>
7193
7194         * arm.cc: Update comments about interworking and stub generation.
7195         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7196         considered as non-PIC.
7197         (Arm_relocate_functions::base_abs): Fix formatting.
7198         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7199         of function to use GOT entry address instead of offset.
7200         (Target_arm::Scan::global): Issue an error if a symbol would need a
7201         PLT does not get one because it is untyped.  Remove code to create
7202         dynamic symbols for relative branches.
7203         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7204         takes unsigned integer instead of boolean.
7205
7206 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7207
7208         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7209         (two_file_test_LDADD): Likewise.
7210         (common_test_1_LDADD): Likewise.
7211         (exception_test_LDADD) Likewise.
7212         (weak_test_LDADD): Likewise.
7213         (many_sections_test_LDADD): Likewise.
7214         (initpri1_LDADD): Likewise.
7215         (script_test_1_LDADD): Likewise.
7216         (script_test_2_LDADD): Likewise.
7217         (justsyms_LDADD): Likewise.
7218         (binary_test_LDADD): Likewise.
7219         (large_LDADD): Likewise.
7220         * testsuite/Makefile.in: Regenerated.
7221
7222 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7223
7224         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7225         (Symbol_table::override_with_special): Likewise.
7226         (Symbol_table::add_from_object): Likewise.
7227
7228 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7229
7230         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7231         Don't set the data_offset twice.
7232
7233 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7234
7235         * testsuite/Makefile.in: Regenerate.
7236
7237 2009-12-03  Doug Kwan  <dougkwan@google.com>
7238
7239         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7240         (Target_arm::do_finalize_sections): Add parameter for symbol table
7241         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7242         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7243         parameter for symbol table pointer.
7244         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7245         an additional parameter for a pointer to symbol table.
7246         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7247         parameter for a symbol table pointer.
7248         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7249         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7250         Ditto.
7251         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7252         parameter for a symbol table pointer.
7253
7254 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7255
7256         * incremental.cc (Incremental_inputs_header)
7257         (Incremental_inputs_header_write, Incremental_inputs_entry)
7258         (Incremental_inputs_entry_write): Move ...
7259         * incremental.h (Incremental_inputs_header)
7260         (Incremental_inputs_header_write, Incremental_inputs_entry)
7261         (Incremental_inputs_entry_write): here.
7262
7263 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7264
7265         * incremental.cc (make_sized_incremental_binary): Set the target.
7266         Error if it is incompatible.
7267         * output.h (Output_file): Add filename method.
7268
7269 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7270
7271         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7272         from the get_* methods.
7273
7274 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7275
7276         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7277         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7278         Write 0 for the data_offset of scripts.
7279
7280 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7281
7282         * testsuite/Makefile.am: Add the incremental_test.sh test.
7283         * testsuite/incremental_test.sh: New.
7284         * testsuite/incremental_test_1.c: New.
7285         * testsuite/incremental_test_2.c: New.
7286
7287 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7288
7289        * incremental-dump.cc (main): Fix typos.
7290
7291 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7292
7293         PR gold/11025
7294         * incremental-dump.cc (main): Use llu to print 64 bit values.
7295
7296 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7297             H.J. Lu  <hongjiu.lu@intel.com>
7298
7299         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7300         $(LIBDL).
7301         (incremental_dump_LDADD): Likewise.
7302         * Makefile.in: Regenerated.
7303
7304 2009-11-25  Doug Kwan  <dougkwan@google.com>
7305
7306         Revert:
7307
7308         2009-11-25  Doug Kwan  <dougkwan@google.com>
7309
7310                 * arm.cc (Target_arm::Target_arm): Move method definition
7311                 outside of class definition.  Add code to handle
7312                 --target1-rel, --target1-abs and --target2= options.
7313                 (Target_arm::get_reloc_reloc_type): Change method to be
7314                 non-static and const.
7315                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7316                 New data member declaration.
7317                 (Target_arm::Scan::local, Target_arm::Scan::global,
7318                 Target_arm::Relocate::relocate,
7319                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7320                 Adjust call to Target_arm::get_real_reloc_type.
7321                 (Target_arm::get_real_reloc_type): Use command line options
7322                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7323                 * options.h (--target1-rel, --target1-abs, --target2): New
7324                 ARM-only options.
7325
7326 2009-11-25  Doug Kwan  <dougkwan@google.com>
7327
7328         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7329         class definition.  Add code to handle --target1-rel, --target1-abs
7330         and --target2= options.
7331         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7332         and const.
7333         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7334         member declaration.
7335         (Target_arm::Scan::local, Target_arm::Scan::global,
7336         Target_arm::Relocate::relocate,
7337         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7338         call to Target_arm::get_real_reloc_type.
7339         (Target_arm::get_real_reloc_type): Use command line options to
7340         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7341         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7342         options.
7343
7344 2009-11-25  Doug Kwan  <dougkwan@google.com>
7345
7346         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7347         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7348         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7349         formatting.
7350         (Arm_relocate_functions::thm_call): Replace body with a call to
7351         Arm_relocate_functions::thumb_branch_common.
7352         (Arm_relocate_functions::thm_jump24,
7353         Arm_relocate_functions::thm_xpc22): New method definitions.
7354         (Arm_relocate_functions::thumb_branch_common): New method definition.
7355         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7356         operator.
7357         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7358         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7359
7360 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7361
7362         * Makefile.am: Build incremental-dump
7363         * Makefile.in: Regenerate.
7364         * incremental-dump.cc: New.
7365         * incremental.cc (Incremental_inputs_header_data,
7366         Incremental_inputs_entry_data): Move to incremental.h
7367         * incremental.h: (Incremental_inputs_header_data,
7368         Incremental_inputs_entry_data): Move from incremental.cc
7369
7370 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7371
7372         * incremental.cc (Incremental_inputs_header,
7373         Incremental_inputs_header_write, Incremental_inputs_entry,
7374         Incremental_inputs_entry_write): Add a typedef with the data type.
7375
7376 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7377
7378         * incremental.cc (Incremental_inputs_header,
7379         Incremental_inputs_header_write, Incremental_inputs_entry,
7380         Incremental_inputs_entry_write): Update comment about which
7381         type has the filed descriptions.
7382
7383 2009-11-15  Doug Kwan  <dougkwan@google.com>
7384
7385         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7386         (Arm_relocate_functions::arm_branch_common): Change method defintion
7387         in class definition to a method declaration and update list of formal
7388         parameters.
7389         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7390         Arm_relocation_functions::jump24): Adjust call to
7391         Arm_relocate_functions::arm_branch_common.  Update list of formal
7392         parameters.
7393         (Arm_relocate_functions::xpc25): New method definition.
7394         (Arm_relocate_functions::arm_branch_common): Move method defintion
7395         out from class definition.  Use stubs for mode-switching and extending
7396         branch ranges.
7397         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7398         specially.  Change code to enable use of stubs in ARM branches.
7399
7400 2009-11-10  Doug Kwan  <dougkwan@google.com>
7401
7402         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7403         in method declaration.
7404         (Target_arm::relocate_stub): New method declaration.
7405         (Target_arm::default_target): Change to return a pointer instead of
7406         a const reference.
7407         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7408         Target_arm::default_target.
7409         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7410         method definition.
7411         (Target_arm::relocate_section): Adjust view.
7412         (Target_arm::relocate_stub): New method definition.
7413
7414 2009-11-10  Doug Kwan  <dougkwan@google.com>
7415
7416         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7417         a format warning.
7418         * incremental.cc (open_incremental_binary): Initialized local
7419         variables to avoid warnings.
7420         * object.cc (make_elf_object): Ditto.
7421         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7422         a format warning.
7423
7424 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7425
7426         PR gold/10930
7427         * testsuite/plugin_test.c: Include "config.h".
7428
7429 2009-11-09  Doug Kwan  <dougkwan@google.com>
7430
7431         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7432         (arm_symbol_value): Remove.
7433         (Arm_relocate_functions::arm_branch_common,
7434         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7435         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7436         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7437         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7438         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7439         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7440         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7441         Arm_relocate_functions::thm_mobw_abs_nc,
7442         Arm_relocate_functions::thm_mov_abs,
7443         Arm_relocate_functions::movw_prel_nc,
7444         Arm_relocate_functions::thm_movt_abs,
7445         Arm_relocate_functions::movt_prel,
7446         Arm_relocate_functions::thm_movw_prel_nc,
7447         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7448         (Target_arm::Relocate::relocate): Only decompose address into two
7449         parts if relocation type uses the thumb-bit and pass the actual
7450         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7451         calls to methods in Arm_relocate_functions for this change.
7452
7453 2009-11-08  Ian Lance Taylor  <iant@google.com>
7454
7455         PR 10925
7456         * reloc.cc: Instantiate
7457         Sized_relobj::initialize_input_to_output_maps and
7458         Sized_relobj:free_input_to_output_maps.
7459
7460 2009-11-06  Ian Lance Taylor  <iant@google.com>
7461
7462         PR 10876
7463         * defstd.cc (in_segment): Set only_if_ref true for "end".
7464
7465 2009-11-06  Doug Kwan  <dougkwan@google.com>
7466
7467         * arm.cc (class Reloc_stub): Correct a comment.
7468         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7469         (Target_arm::scan_section_for_stubs): New method declaration.
7470         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7471         Change methods from private to protected.
7472         (Target_arm::do_may_relax): New method definition.
7473         (Target_arm::do_relax, Target_arm::group_sections,
7474         Target_arm::scan_reloc_for_stub,
7475         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7476         (Target_arm::arm_input_section_map_): New data member declaration.
7477         (Target_arm::scan_reloc_for_stub,
7478         Target_arm::scan_reloc_section_for_stubs,
7479         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7480         Target_arm::do_relax): New method definitions.
7481
7482 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7483
7484         * configure.ac: Check for (struct stat)::st_mtim
7485         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7486         * config.in: Regenerate.
7487         * configure: Regenerate.
7488
7489 2009-11-05  Ian Lance Taylor  <iant@google.com>
7490
7491         PR 10910
7492         * output.cc (Output_segment::add_output_section): Add missing
7493         return statement.
7494
7495 2009-11-04  Ian Lance Taylor  <iant@google.com>
7496
7497         PR 10880
7498         * object.h (class Object): Add is_needed and set_is_needed
7499         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7500         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7501         defined in a dynamic object and referenced by a regular object,
7502         set is_needed for the dynamic object.
7503         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7504         if the file is marked with as_needed and it is not needed.
7505
7506 2009-11-04  Ian Lance Taylor  <iant@google.com>
7507
7508         PR 10887
7509         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7510         tags if data is discarded by linker script.
7511         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7512         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7513         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7514         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7515
7516 2009-11-04  Ian Lance Taylor  <iant@google.com>
7517
7518         * layout.cc (Layout::get_output_section): Add is_interp and
7519         is_dynamic_linker_section parameters.  Change all callers.
7520         (Layout::choose_output_section): Likewise.
7521         (Layout::make_output_section): Likewise.
7522         (Layout::add_output_section_data): Add is_dynamic_linker_section
7523         parameter.  Change all callers.
7524         * layout.h (class Layout): Update declarations.
7525         * output.h (class Output_section): Add is_interp, set_is_interp,
7526         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7527         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7528         generate_code_fills_at_write_ to a bitfield.
7529         * output.cc (Output_section::Output_sections): Initialize new
7530         fields.
7531         (Output_segment::add_output_section): Add do_sort parameter.
7532         Change all callers.
7533
7534 2009-11-03  Ian Lance Taylor  <iant@google.com>
7535
7536         PR 10860
7537         * options.h (class General_options): Add --warn-common.
7538         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7539         merging two common symbols.
7540         (Symbol_table::should_override): Handle --warn-common when merging
7541         a common symbol with a defined symbol.  Use report_resolve_problem
7542         for multiple definitions.
7543         (Symbol_table::report_resolve_problem): New function.
7544         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7545
7546 2009-11-03  Doug Kwan  <dougkwan@google.com>
7547
7548         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7549         stub_factory_.
7550         (Target_arm::stub_factory): New method definition.
7551         (Target_arm::new_arm_input_section,
7552         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7553         Target_arm::reloc_uses_thumb_bit): New method declarations.
7554         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7555         New type definitions.
7556         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7557         member declarations.
7558         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7559         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7560         New method definitions.
7561
7562 2009-11-03  Ian Lance Taylor  <iant@google.com>
7563
7564         * options.h (class General_options): Add --warn_constructors.
7565
7566 2009-11-03  Ian Lance Taylor  <iant@google.com>
7567
7568         PR 10893
7569         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7570         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7571
7572 2009-11-03  Ian Lance Taylor  <iant@google.com>
7573
7574         PR 10895
7575         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7576         --msgid-bugs-address.
7577         (install-pdf): New target.
7578         (install-data_yes): Look up one directory to find mkinstalldirs.
7579
7580 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7581
7582         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7583         tree.
7584
7585 2009-10-30  Doug Kwan  <dougkwan@google.com>
7586
7587         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7588
7589 2009-10-30  Doug Kwan  <dougkwan@google.com>
7590
7591         * arm.cc (Stub_addend_reader): New struct template definition
7592         and partial specializations.
7593         (Stub_addend_reader::operator()): New method definition for a
7594         partially specialized template.
7595
7596 2009-10-30  Doug Kwan  <dougkwan@google.com>
7597
7598         * arm.cc (Arm_relobj::processor_specific_flags): New method
7599         definition.
7600         (Arm_relobj::do_read_symbols): New method declaration.
7601         (Arm_relobj::processor_specific_flags_): New data member declaration.
7602         (Arm_dynobj): New class definition.
7603         (Target_arm::do_finalize_sections): Add input_objects parameter.
7604         (Target_arm::do_adjust_elf_header): New method declaration.
7605         (Target_arm::are_eabi_versions_compatible,
7606         (Target_arm::merge_processor_specific_flags): New method declaration.
7607         (Target_arm::do_make_elf_object): New overloaded method definitions
7608         and declaration.
7609         (Arm_relobj::do_read_symbols): New method definition.
7610         (Arm_dynobj::do_read_symbols): Ditto.
7611         (Target_arm::do_finalize_sections): Add input_objects parameters.
7612         Merge processor-specific flags from all input objects.
7613         (Target_arm::are_eabi_versions_compatible,
7614         Target_arm::merge_processor_specific_flags,
7615         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7616         New method definitions.
7617         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7618         Input_objects pointer type parameter.
7619         * layout.cc (Layout::finalize): Pass input objects to target's.
7620         finalize_sections function.
7621         * output.cc (Output_file_header::do_sized_write): Set ELF file
7622         header's processor-specific flags.
7623         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7624         Input_objects pointer type parameter.
7625         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7626         * target.h (Input_objects): New forward class declaration.
7627         (Target::processor_specific_flags,
7628         Target::are_processor_specific_flags_sect): New method definitions.
7629         (Target::finalize_sections): Add input_objects parameter.
7630         (Target::Target): Initialize processor_specific_flags_ and
7631         are_processor_specific_flags_set_.
7632         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7633         parameter.
7634         (Target::set_processor_specific_flags): New method definition.
7635         (Target::processor_specific_flags_,
7636         Target::are_processor_specific_flags_set_): New data member
7637         declarations.
7638         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7639         Input_objects pointer type parameter.
7640
7641 2009-10-30  Doug Kwan  <dougkwan@google.com>
7642
7643         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7644
7645 2009-10-28  Ian Lance Taylor  <iant@google.com>
7646
7647         * object.h (class Relobj): Drop options parameter from
7648         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7649         do_scan_relocs, do_relocate.  Change all callers.
7650         (class Sized_relobj): Drop options parameters from
7651         do_gc_process_relocs, do_scan_relocs, do_relocate,
7652         do_relocate_sections, relocate_sections, emit_relocs_scan,
7653         emit_relocs_scan_reltype.  Change all callers.
7654         (struct Relocate_info): Remove options field and all references to
7655         it.
7656         * reloc.h (class Read_relocs): Remove options constructor
7657         parameter and options_ field.  Change all callers.
7658         (class Gc_process_relocs, class Scan_relocs): Likewise.
7659         (class Relocate_task): Likewise.
7660         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7661         all callers.
7662         (scan_relocatable_relocs): Likewise.
7663         * target.h (class Sized_target): Remove options parameter from
7664         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7665         all callers.
7666         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7667         callers.
7668         * arm.cc: Update functions to remove options parameters.
7669         * i386.cc: Likewise.
7670         * powerpc.cc: Likewise.
7671         * sparc.cc: Likewise.
7672         * x86_64.cc: Likewise.
7673         * testsuite/testfile.cc: Likewise.
7674
7675 2009-10-28  Doug Kwan  <dougkwan@google.com>
7676
7677         * arm.cc (Arm_relobj): New class definition.
7678         (Arm_relobj::scan_sections_for_stubs,
7679         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7680         New method definitions.
7681
7682 2009-10-28  Cary Coutant  <ccoutant@google.com>
7683
7684         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7685         (Plugin::cleanup_done_): New member.
7686         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7687         (Plugin_manager::cleanup_done_): Remove.
7688         (Plugin_manager::add_input_file): Edit error message.
7689         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7690         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7691
7692 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7693
7694         * fileread.cc: (File_read::View::~View): Use the new
7695         data_ownership_ filed.
7696         (File_read::~File_read): Dispose the new whole_file_view_.
7697         (File_read::open): Mmap the whole file if needed.
7698         (File_read::open): Use whole_file_view_ instead of contents_.
7699         (File_read::find_view): Use whole_file_view_ if applicable.
7700         (File_read::do_read): Use whole_file_view_ instead of contents_.
7701         (File_read::make_view): Use whole_file_view_ instead of contents_,
7702         update File_read::View::View call.
7703         (File_read::find_or_make_view): Update File_read::View::View
7704         call.
7705         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7706         remove contents_
7707         (File_read::View::Data_ownership): New enum.
7708         (File_read::View::View): Replace bool mapped_ with Data_ownership
7709         argument.
7710         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7711         (File_read::View::data_ownership_): New field.
7712         (File_read::contents_): Remove (replaced by whole_file_view_).
7713         (File_read::whole_file_view_): New field.
7714         * options.h (class General_options): Add --keep-files-mapped.
7715
7716 2009-10-27  Cary Coutant  <ccoutant@google.com>
7717
7718         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7719         * testsuite/Makefile.am (plugin_test_5): New test case.
7720         * testsuite/Makefile.in: Regenerate.
7721
7722 2009-10-25  Doug Kwan  <dougkwan@google.com>
7723
7724         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7725         from private to protected to allow access by child class.
7726         (Sized_relobj::do_relocate_sections): New method declaration.
7727         (Sized_relobj::relocate_sections): Virtualize.
7728         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7729         Sized_relobj::relocate_sections.  Instantiate template explicitly
7730         for different target sizes and endianity.
7731
7732 2009-10-24  Doug Kwan  <dougkwan@google.com>
7733
7734         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7735         (Arm_input_section::as_arm_input_section): New method.
7736         (Arm_output_section): New class definition.
7737         (Arm_output_section::create_stub_group,
7738         Arm_output_section::group_sections): New method definitions.
7739
7740 2009-10-22  Doug Kwan  <dougkwan@google.com>
7741
7742         * arm.cc (Arm_input_section): New class definition.
7743         (Arm_input_section::init, Arm_input_section:do_write,
7744         Arm_input_section::set_final_data_size,
7745         Arm_input_section::do_reset_address_and_file_offset): New method
7746         definitions.
7747
7748 2009-10-21  Doug Kwan  <dougkwan@google.com>
7749
7750         * arm.cc (Stub_table, Arm_input_section): New forward class
7751         declarations.
7752         (Stub_table): New class defintion.
7753         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7754         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7755         New method definition.
7756
7757 2009-10-21  Doug Kwan  <dougkwan@google.com>
7758
7759         * arm.cc: Update copyright comments.
7760         (Target_arm): New forward class template declaration.
7761         (Arm_address): New type.
7762         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7763         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7764         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7765         constants.
7766         (Insn_template): Same.
7767         (DEF_STUBS): New macro.
7768         (Stub_type): New enum type.
7769         (Stub_template): New class definition.
7770         (Stub): Same.
7771         (Reloc_stub): Same.
7772         (Stub_factory): Same.
7773         (Target_arm::Target_arm): Initialize may_use_blx_ and
7774         should_force_pic_veneer_.
7775         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7776         Target_arm::should_force_pic_veneer,
7777         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7778         Target_arm::using_thumb_only, Target_arm:;default_target): New
7779         method defintions.
7780         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7781         New data member declarations.
7782         (Insn_template::size, Insn_template::alignment): New method defintions.
7783         (Stub_template::Stub_template): New method definition.
7784         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7785         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7786         (Stub_factory::Stub_factory): New method definition.
7787         * gold.h (string_hash): New template.
7788         * output.h (Input_section_specifier::hash_value): Use
7789         gold::string_hash.
7790         (Input_section_specifier::string_hash): Remove.
7791         * stringpool.cc (Stringpool_template::string_hash): Use
7792         gold::string_hash.
7793
7794 2009-10-20  Doug Kwan  <dougkwan@google.com>
7795
7796         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7797         symbols of relaxed input sections.
7798         * output.h (Output_section::find_relaxed_input_section): Make
7799         method public.
7800
7801 2009-10-16  Doug Kwan  <dougkwan@google.com>
7802
7803         * dynobj.cc (Versions::Versions): Initialize version_script_.
7804         Only insert base version symbol definition for a shared object
7805         if version script defines any version versions.
7806         (Versions::define_base_version): New method definition.
7807         (Versions::add_def): Check that base version is not needed.
7808         (Versions::add_need): Define base version lazily.
7809         * dynobj.h (Versions::define_base_version): New method declaration.
7810         (Versions::needs_base_version_): New data member declaration.
7811         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7812         (check_DATA): Add no_version_test.stdout.
7813         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7814         New make rules.
7815         * testsuite/Makefile.in: Regenerate.
7816         * testsuite/no_version_test.c: New file.
7817         * testsuite/no_version_test.sh: Ditto.
7818
7819 2009-10-16  Doug Kwan  <dougkwan@google.com>
7820
7821         * expression.cc (class Segment_start_expression): New class definition.
7822         (Segment_start_expression::value): New method definition.
7823         (script_exp_function_segment_start): Return a new
7824         Segment_start_expression.
7825         * gold/script-c.h (script_saw_segment_start_expression): New function
7826         prototype.
7827         * script-sections.cc (Script_sections::Script_sections): Initialize
7828         SAW_SEGMENT_START_EXPRESSION_ to false.
7829         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7830         and -Tbbs options to specify section addresses if given in
7831         command line and no SEGMENT_START expression is seen in a script.
7832         * script-sections.h (Script_sections::saw_segment_start_expression,
7833         Script_sections::set_saw_segment_start_expression): New method
7834         definition.
7835         (Script_sections::saw_segment_start_expression_): New data member
7836         declaration.
7837         * script.cc (script_saw_segment_start_expression): New function.
7838         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7839         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7840         script_test_7.sh and script_test_8.sh.
7841         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7842         script_test_8.stdout.
7843         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7844         (script_test_6, script_test_6.stdout, script_test_7,
7845         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7846         * Makefile.in: Regenerate.
7847         * testsuite/script_test_6.sh: New file.
7848         * testsuite/script_test_6.t: Same.
7849         * testsuite/script_test_7.sh: Same.
7850         * testsuite/script_test_7.t: Same.
7851         * testsuite/script_test_8.sh: Same.
7852
7853 2009-10-16  Doug Kwan  <dougkwan@google.com>
7854
7855         * output.cc (Output_segment::set_section_list_address): Cast
7856         expressions to unsigned long long type to avoid format warnings.
7857
7858 2009-10-15  Ian Lance Taylor  <iant@google.com>
7859
7860         * script.cc (Script_options::add_symbol_assignment): Always add a
7861         dot assignment to script_sections_.
7862         * script-sections.cc (Script_sections::add_dot_assignment):
7863         Initialize if necessary.
7864
7865         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7866         program headers with no load segment if there is a linker script.
7867
7868         * layout.cc (Layout::set_segment_offsets): Align the file offset
7869         to the segment aligment for -N or -n with no load segment.
7870         * output.cc (Output_segment::add_output_section): Don't crash if
7871         the first section is a TLS section.
7872         (Output_segment::set_section_list_addresses): Print an error
7873         message if the address moves backward in a linker script.
7874         * script-sections.cc
7875         (Output_section_element_input::set_section_addresses): Don't
7876         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7877         (Orphan_output_section::set_section_addresses): Likewise.
7878
7879 2009-10-15  Doug Kwan  <dougkwan@google.com>
7880
7881         * layout.cc (Layout::finish_dynamic_section): Generate tags
7882         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7883         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7884         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7885
7886 2009-10-14  Ian Lance Taylor  <iant@google.com>
7887
7888         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7889         fields.
7890         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7891         data_shdr fields of relinfo.
7892         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7893         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7894         R_386_TLS_LDO_32, adjust based on section flags.
7895         (Target_i386::Relocate::fix_up_ldo): Remove.
7896
7897 2009-10-13  Ian Lance Taylor  <iant@google.com>
7898
7899         Add support for -pie.
7900         * options.h (class General_options): Add -pie and
7901         --pic-executable.
7902         (General_options::output_is_position_independent): Test -pie.
7903         (General_options::output_is_executable): Return true if not shared
7904         and not relocatable.
7905         (General_options::output_is_pie): Remove.
7906         * options.cc (General_options::finalize): Reject incompatible uses
7907         of -pie.
7908         * gold.cc (queue_middle_tasks): A -pie link is not static.
7909         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7910         * symtab.cc (Symbol::final_value_is_known): Return false if
7911         output_is_position_independent.
7912         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7913         output_is_position_independent.
7914         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7915         output_is_position_independent.
7916         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7917         output_is_position_independent.
7918         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7919         two_file_pie_test.
7920         (basic_pie_test.o, basic_pie_test): New targets.
7921         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7922         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7923         (two_file_pie_test): New target.
7924         * testsuite/Makefile.in: Rebuild.
7925         * README: Remove note saying that -pie is not supported.
7926
7927 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7928
7929         * options.h (class General_options): Add -init and -fini.
7930         * layout.cc (Layout::finish_dynamic_section): Emit
7931         given init and fini functions.
7932
7933 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7934
7935         * gc.h (gc_process_relocs): Check if icf is enabled using new
7936         function.
7937         * gold.cc (queue_initial_tasks): Likewise.
7938         (queue_middle_tasks): Likewise.
7939         * object.cc (do_layout): Likewise.
7940         * symtab.cc (is_section_folded): Likewise.
7941         * main.cc (main): Likewise.
7942         * reloc.cc (Read_relocs::run): Likewise.
7943         (Sized_relobj::do_scan_relocs): Likewise.
7944         * icf.cc (is_function_ctor_or_dtor): New function.
7945         (Icf::find_identical_sections): Check if function is ctor or dtor when
7946         safe icf is chosen.
7947         * options.h (General_options::icf): Change option to be an enum.
7948         (Icf_status): New enum.
7949         (icf_enabled): New method.
7950         (icf_safe_folding): New method.
7951         (set_icf_status): New method.
7952         (icf_status_): New variable.
7953         * (options.cc) (General_options::finalize): Set icf_status_.
7954         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7955         icf_test and icf_keep_unique_test to use the --icf enum flag.
7956         * testsuite/icf_safe_test.sh: New file.
7957         * testsuite/icf_safe_test.cc: New file.
7958
7959 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7960
7961         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7962         includes to gc.h and icf.h.
7963         * arm.cc: Include gc.h.
7964         * gold.cc: Likewise.
7965         * i386.cc: Likewise.
7966         * powerpc.cc: Likewise.
7967         * sparc.cc: Likewise.
7968         * x86_64.cc: Likewise.
7969         * gc.h: Include icf.h.
7970
7971 2009-10-11  Ian Lance Taylor  <iant@google.com>
7972
7973         * plugin.cc: Include "gold.h" before other header files.
7974
7975 2009-10-10  Chris Demetriou  <cgd@google.com>
7976
7977         * options.h (Input_file_argument::Input_file_type): New enum.
7978         (Input_file_argument::is_lib_): Replace with...
7979         (Input_file_argument::type_): New member.
7980         (Input_file_argument::Input_file_argument): Take Input_file_type
7981         'type' rather than boolean 'is_lib' as second argument.
7982         (Input_file_argument::is_lib): Use type_.
7983         (Input_file_argument::is_searched_file): New function.
7984         (Input_file_argument::may_need_search): Handle is_searched_file.
7985         * options.cc (General_options::parse_library): Support -l:filename.
7986         (General_options::parse_just_symbols): Update for Input_file_argument
7987         changes.
7988         (Command_line::process): Likewise.
7989         * archive.cc (Archive::get_file_and_offset): Likewise.
7990         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7991         * script.cc (read_script_file, script_add_file): Likewise.
7992         * fileread.cc (Input_file::Input_file): Likewise.
7993         (Input_file::will_search_for): Handle is_searched_file.
7994         (Input_file::open): Likewise.
7995         * readsyms.cc (Read_symbols::get_name): Likewise.
7996         * testsuite/Makefile.am (searched_file_test): New test.
7997         * testsuite/Makefile.in: Regenerate.
7998         * testsuite/searched_file_test.cc: New file.
7999         * testsuite/searched_file_test_lib.cc: New file.
8000
8001 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8002             Ian Lance Taylor  <iant@google.com>
8003
8004         * descriptor.cc: Include <cstdio> and "binary-io.h".
8005         (Descriptors::open): Open the files in binary mode always.
8006         * script.cc (Lex::get_token): Treat \r as whitespace.
8007
8008 2009-10-09  Ian Lance Taylor  <iant@google.com>
8009
8010         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8011
8012 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8013             Ian Lance Taylor  <iant@google.com>
8014
8015         * configure.ac: Check for readv function also.
8016         * fileread.cc (readv): Define if not HAVE_READV.
8017         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8018         does not exist.
8019         * config.in: Regenerate.
8020         * configure: Regenerate.
8021
8022 2009-10-09  Doug Kwan  <dougkwan@google.com>
8023
8024         * layout.cc (Layout::make_output_section): Call target hook to make
8025         ordinary output section.
8026         (Layout::finalize): Adjust parameter list of call the
8027         Target::may_relax().
8028         * layout.h (class Layout::section_list): New method.
8029         * merge.h (Output_merge_base::entsize): Change visibility to public.
8030         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8031         New methods.
8032         (Output_merge_string::do_is_string): New method.
8033         * object.cc (Sized_relobj::do_setup): renamed from
8034         Sized_relobj::set_up.
8035         * object.h (Sized_relobj::adjust_shndx,
8036         Sized_relobj::initializ_input_to_output_maps,
8037         Sized_relobj::free_input_to_output_maps): Change visibilities to
8038         protected.
8039         (Sized_relobj::setup): Virtualize.
8040         (Sized_relobj::do_setup): New method declaration.
8041         (Sized_relobj::invalidate_section_offset,
8042         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8043         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8044         * options.cc (parse_int): New function.
8045         * options.h (parse_int): New declaration.
8046         (DEFINE_int): New macro.
8047         (stub_group_size): New option.
8048         * output.cc (Output_section::Output_section): Initialize memebers
8049         merge_section_map_, merge_section_by_properties_map_,
8050         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8051         (Output_section::add_input_section): Handled deferred code-fill
8052         generation and remove an old comment.
8053         (Output_section::add_relaxed_input_section): New method definition.
8054         (Output_section::add_merge_input_section): Use merge section by
8055         properties map to speed to search.  Update merge section maps
8056         as appropriate.
8057         (Output_section::build_relaxation_map): New method definition.
8058         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8059         Same.
8060         (Output_section::relax_input_section): Renamed to
8061         Output_section::convert_input_sections_to_relaxed_sections and change
8062         interface to take a vector of pointers to relaxed sections.
8063         (Output_section::find_merge_section,
8064         Output_section::find_relaxed_input_section): New method definitions.
8065         (Output_section::is_input_address_mapped,
8066         Output_section::output_offset, Output_section::output_address):
8067         Use output section data maps to speed up searching.
8068         (Output_section::find_starting_output_address): Add comments.
8069         (Output_section::do_write,
8070         Output_section::write_to_postprocessing_buffer): Do code-fill
8071         generation as appropriate.
8072         (Output_section::get_input_sections): Invalidate relaxed input section
8073         map.
8074         (Output_section::restore_states): Adjust type of checkpoint .
8075         Invalidate relaxed input section map.
8076         * output.h (Output_merge_base): New class declaration.
8077         (Input_section_specifier): New class defintion.
8078         (class Output_relaxed_input_section) Change base class to
8079         Output_section_data_build.
8080         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8081         base class initializer.
8082         (Output_section::add_relaxed_input_section): New method declaration.
8083         (Output_section::Input_section): Change visibility to protected.
8084         (Output_section::Input_section::relobj,
8085         Output_section::Input_section::shndx): Handle relaxed input sections.
8086         Output_section::input_sections) Change visibility to protected.  Also
8087         define overload to return a non-const pointer.
8088         (Output_section::Merge_section_properties): New class defintion.
8089         (Output_section::Merge_section_by_properties_map,
8090         Output_section::Output_section_data_by_input_section_map,
8091         Output_section::Relaxation_map): New types.
8092         (Output_section::relax_input_section): Rename method to
8093         Output_section::convert_input_sections_to_relaxed_sections and change
8094         interface to take a vector of relaxed section pointers.
8095         (Output_section::find_merge_section,
8096         Output_section::find_relaxed_input_section,
8097         Output_section::build_relaxation_map,
8098         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8099         New method declarations.
8100         (Output_section::merge_section_map_
8101         Output_section::merge_section_by_properties_map_,
8102         Output_section::relaxed_input_section_map_,
8103         Output_section::is_relaxed_input_section_map_valid_,
8104         Output_section::generate_code_fills_at_write_): New data members.
8105         * script-sections.cc
8106         (Output_section_element_input::set_section_addresses): Call
8107         current_data_size and addralign methods of relaxed input sections.
8108         (Orphan_output_section::set_section_addresses): Call current_data_size
8109         and addralign methods of relaxed input sections.
8110         * symtab.cc (Symbol_table::compute_final_value): Extract template
8111         from the body of Symbol_table::sized_finalize_symbol.
8112         (Symbol_table::sized_finalized_symbol): Call
8113         Symbol_table::compute_final_value.
8114         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8115         (Symbol_table::compute_final_value): New templated method declaration.
8116         * target.cc (Target::do_make_output_section): New method defintion.
8117         * target.h (Target::make_output_section): New method declaration.
8118         (Target::relax): Add more parameters for input objects, symbol table
8119         and layout.  Adjust call to do_relax.
8120         (Target::do_make_output_section): New method declaration.
8121         (Target::do_relax): Add parameters for input objects, symbol table
8122         and layout.
8123
8124 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8125
8126         * pread.c: Include stdio.h.
8127
8128 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8129
8130         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8131         defined.
8132
8133 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8134
8135         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8136         Change read_shndx type to unsigned int.
8137         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8138         int.
8139         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8140         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8141         Change read_shndx type to unsigned int.
8142         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8143         int.
8144         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8145         * layout.cc (Layout::create_symtab_sections): Cast the result of
8146         local_symcount * symsize to off_t in the gold_assert.
8147
8148 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8149
8150         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8151         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8152         R_ARM_BASE_ABS.
8153         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8154         (Arm_relocate_functions::thm_abs5): New function.
8155         (Arm_relocate_functions::abs12): New function.
8156         (Arm_relocate_functions::abs16): New function.
8157         (Arm_relocate_functions::base_abs): New function.
8158         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8159         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8160         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8161         R_ARM_BASE_ABS.
8162         (Scan::global): Likewise.
8163         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8164         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8165         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8166         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8167         R_ARM_BASE_ABS.
8168
8169 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8170
8171         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8172         (Arm_relocate_functions::movt_prel): New function.
8173         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8174         (Arm_relocate_functions::thm_movt_prel): New function.
8175         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8176         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8177         (Scan::global, Relocate::relocate): Likewise.
8178         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8179
8180 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8181
8182         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8183         Incremental_checker.
8184         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8185         unsigned int.
8186         (class Incremental_inputs_header): New class.
8187         (Incremental_inputs_header_writer): Edit comment.
8188         (Incremental_inputs_entry): New class.
8189         (Incremental_inputs_entry_writer): Edit comment.
8190         (Sized_incremental_binary::do_find_incremental_inputs_section):
8191         Add *strtab_shndx parameter, fill it.
8192         (Sized_incremental_binary::do_check_inputs): New method.
8193         (Incremental_checker::can_incrementally_link_output_file): Use
8194         Sized_incremental_binary::check_inputs.
8195         (Incremental_inputs::report_command_line): Save command line in
8196         command_line_.
8197         * incremental.h:
8198         (Incremental_binary::find_incremental_inputs_section): New
8199         method.
8200         (Incremental_binary::do_find_incremental_inputs_section): Add
8201         strtab_shndx parameter.
8202         (Incremental_binary::do_check_inputs): New pure virtual method.
8203         (Sized_incremental_binary::do_check_inputs): Declare.
8204         (Incremental_checker::Incremental_checker): Add incremental_inputs
8205         parameter, use it to initialize incremental_inputs_.
8206         (Incremental_checker::incremental_inputs_): New field.
8207         (Incremental_checker::command_line): New method.
8208         (Incremental_checker::inputs): New method.
8209         (Incremental_checker::command_line_): New field.
8210
8211 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8212
8213         * incremental.cc: Include <cstdarg> and "target-select.h".
8214         (vexplain_no_incremental): New function.
8215         (explain_no_incremental): New function.
8216         (Incremental_binary::error): New method.
8217         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8218         method.
8219         (make_sized_incremental_binary): New function.
8220         (open_incremental_binary): New function.
8221         (can_incrementally_link_file): Add checks if output is ELF and has
8222         inputs section.
8223         * incremental.h: Include "elfcpp_file.h" and "output.h".
8224         (Incremental_binary): New class.
8225         (Sized_incremental_binary): New class.
8226         (open_incremental_binary): Declare.
8227         * object.cc (is_elf_object): Use
8228         elfcpp::Elf_recognizer::is_elf_file.
8229         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8230         * output.h (Output_file::filesize): New method.
8231
8232 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8233
8234         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8235         New function.
8236         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8237         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8238         function.
8239         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8240         function.
8241         (Arm_relocate_functions::movw_abs_nc): New function.
8242         (Arm_relocate_functions::movt_abs): New function.
8243         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8244         (Arm_relocate_functions::thm_movt_abs): New function.
8245         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8246         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8247         (Scan::global): Likewise.
8248         (Relocate::relocate): Likewise.
8249         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8250
8251 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8252
8253         * arm.cc (Arm_relocate_functions::got_prel) New function.
8254         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8255         (Relocate::relocate): Likewise.
8256         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8257
8258 2009-10-06  Ian Lance Taylor  <iant@google.com>
8259
8260         * options.h (class General_options): Define
8261         split_stack_adjust_size parameter.
8262         * object.h (class Object): Add uses_split_stack_ and
8263         has_no_split_stack_ fields.  Add uses_split_stack and
8264         has_no_split_stack accessor functions.  Declare
8265         handle_split_stack_section.
8266         (class Reloc_symbol_changes): Define.
8267         (class Sized_relobj): Define Function_offsets.  Declare
8268         split_stack_adjust, split_stack_adjust_reltype, and
8269         find_functions.
8270         * object.cc (Object::handle_split_stack_section): New function.
8271         (Sized_relobj::do_layout): Call handle_split_stack_section.
8272         * dynobj.cc (Sized_dynobj::do_layout): Call
8273         handle_split_stack_section.
8274         * reloc.cc (Sized_relobj::relocate_sections): Call
8275         split_stack_adjust for executable sections in split_stack
8276         objects.  Pass reloc_map to relocate_section.
8277         (Sized_relobj::split_stack_adjust): New function.
8278         (Sized_relobj::split_stack_adjust_reltype): New function.
8279         (Sized_relobj::find_functions): New function.
8280         * target-reloc.h: Include "object.h".
8281         (relocate_section): Add reloc_symbol_changes parameter.  Change
8282         all callers.
8283         * target.h (class Target): Add calls_non_split method.  Declare
8284         do_calls_non_split virtual method.  Declare match_view and
8285         set_view_to_nop.
8286         * target.cc: Include "elfcpp.h".
8287         (Target::do_calls_non_split): New function.
8288         (Target::match_view): New function.
8289         (Target::set_view_to_nop): New function.
8290         * gold.cc (queue_middle_tasks): Give an error if mixing
8291         split-stack and non-split-stack objects with -r.
8292         * i386.cc (Target_i386::relocate_section): Add
8293         reloc_symbol_changes parameter.
8294         (Target_i386::do_calls_non_split): New function.
8295         * x86_64.cc (Target_x86_64::relocate_section): Add
8296         reloc_symbol_changes parameter.
8297         (Target_x86_64::do_calls_non_split): New function.
8298         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8299         parameter.
8300         * powerpc.cc (Target_powerpc::relocate_section): Add
8301         reloc_symbol_changes parameter.
8302         * sparc.cc (Target_sparc::relocate_section): Add
8303         reloc_symbol_changes parameter.
8304         * configure.ac: Call AM_CONDITIONAL for the default target.
8305         * configure: Rebuild.
8306         * testsuite/Makefile.am (TEST_AS): New variable.
8307         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8308         (check_DATA): Add split_i386 and split_x86_64 files.
8309         (SPLIT_DEFSYMS): Define.
8310         (split_i386_[1234n].o): New targets.
8311         (split_i386_[124]): New targets.
8312         (split_i386_[1234r].stdout): New targets.
8313         (split_x86_64_[1234n].o): New targets.
8314         (split_x86_64_[124]): New targets.
8315         (split_x86_64_[1234r].stdout): New targets.
8316         (MOSTLYCLEANFILES): Add new executables.
8317         * testsuite/split_i386.sh: New file.
8318         * testsuite/split_x86_64.sh: New file.
8319         * testsuite/split_i386_1.s: New file.
8320         * testsuite/split_i386_2.s: New file.
8321         * testsuite/split_i386_3.s: New file.
8322         * testsuite/split_i386_4.s: New file.
8323         * testsuite/split_i386_n.s: New file.
8324         * testsuite/split_x86_64_1.s: New file.
8325         * testsuite/split_x86_64_2.s: New file.
8326         * testsuite/split_x86_64_3.s: New file.
8327         * testsuite/split_x86_64_4.s: New file.
8328         * testsuite/split_x86_64_n.s: New file.
8329         * testsuite/testfile.cc (Target_test): Update relocation_section
8330         function.
8331         * testsuite/Makefile.in: Rebuild.
8332
8333 2009-10-06  Ian Lance Taylor  <iant@google.com>
8334
8335         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8336         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8337         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8338         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8339         the address on ldo_addrs_.
8340         (Target_i386::Relocate::fix_up_ldo): New function.
8341
8342 2009-10-06   Rafael Espindola  <espindola@google.com>
8343
8344         * plugin.cc (add_input_library): New.
8345         (Plugin::load): Add add_input_library to tv.
8346         (Plugin_manager::add_input_file): Add the is_lib argument.
8347         (add_input_file): Update call to Plugin_manager::add_input_file.
8348         (add_input_library): New.
8349         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8350
8351 2009-09-30  Doug Kwan  <dougkwan@google.com>
8352
8353         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8354         symbol and call Symbol::may_need_copy_reloc to determine if
8355         a copy reloc is needed.
8356         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8357         nocopyreloc is given in command line.
8358         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8359         given in command line.
8360         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8361         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8362         of the removed Target_i386::may_need_copy_reloc.
8363         * options.h (copyreloc): New option with default value false.
8364         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8365         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8366         instead of the removed Target_powerpc::may_need_copy_reloc.
8367         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8368         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8369         instead of the removed Target_sparc::may_need_copy_reloc.
8370         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8371         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8372         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8373         instead of the removed Target_x86_64::may_need_copy_reloc.
8374
8375 2009-09-30  Ian Lance Taylor  <iant@google.com>
8376
8377         * object.h (class Object): Remove target_ field, and target,
8378         sized_target, and set_target methods.
8379         (Object::sized_target): Remove.
8380         (class Sized_relobj): Update declarations.  Remove sized_target.
8381         * object.cc (Sized_relobj::setup): Remove target parameter.
8382         Change all callers.
8383         (Input_objects::add_object): Don't do anything with the target.
8384         (make_elf_sized_object): Add punconfigured parameter.  Change all
8385         callers.  Set or test parameter target.
8386         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8387         Change all callers.
8388         * parameters.cc (Parameters::set_target): Change parameter type to
8389         be non-const.
8390         (Parameters::default_target): Remove.
8391         (set_parameters_target): Change parameter type to be non-const.
8392         (parameters_force_valid_target): New function.
8393         (parameters_clear_target): New function.
8394         * parameters.h (class Parameters): Update declarations.  Remove
8395         default_target method.  Add sized_target and clear_target
8396         methods.  Change target_ to be non-const.
8397         (set_parameters_target): Update declaration.
8398         (parameters_force_valid_target): Declare.
8399         (parameters_clear_target): Declare.
8400         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8401         as NULL if we aren't searching.
8402         (Add_symbols::run): Don't check for compatible target.
8403         * fileread.cc (Input_file::open_binary): Call
8404         parameters_force_valid_target.
8405         * gold.cc (queue_middle_tasks): Likewise.
8406         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8407         set_target on object.
8408         * dynobj.h (class Sized_dynobj): Update declarations.
8409         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8410         make_elf_object returns NULL.
8411         (Archive::include_member): Don't check whether object target is
8412         compatible.
8413         * output.cc (Output_section::add_input_section): Get target from
8414         parameters.
8415         (Output_section::relax_input_section): Likewise.
8416         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8417         parameters.
8418         (Sized_relobj::do_scan_relocs): Likewise.
8419         (Sized_relobj::relocate_sections): Likewise.
8420         * resolve.cc (Symbol_table::resolve): Likewise.
8421         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8422         parameter.  Change all callers.
8423         (Symbol_table::add_from_object): Get target from parameters.
8424         (Symbol_table::add_from_relobj): Don't check object target.
8425         (Symbol_table::add_from_dynobj): Likewise.
8426         (Symbol_table::define_special_symbol): Get target from
8427         parameters.
8428         * symtab.h (class Symbol_table): Update declaration.
8429         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8430         parameter.  Change all callers.  Clear parameter target.
8431         (Binary_test): Test target here.
8432         * testsuite/object_unittest.cc (gold_testsuite): Remove
8433         target_test_pointer parameter.  Change all callers.
8434         (Object_test): Test target here.
8435
8436 2009-09-26  Ian Lance Taylor  <iant@google.com>
8437
8438         * testsuite/initpri1.c: Don't try to use constructor priorities if
8439         compiling with gcc before 4.3.
8440
8441 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8442
8443         * testsuite/retain_symbols_file_test.sh (check_present): Change
8444         output file name to retain_symbols_file_test.stdout.
8445         (check_absent): Likewise.
8446
8447 2009-09-18  Craig Silverstein  <csilvers@google.com>
8448
8449         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8450         * options.cc: Include <cerrno> and <fstream>.
8451         (General_options::finalize): Parse -retain-symbols-file tag.
8452         * options.h: New flag.
8453         (General_options): New method should_retain_symbol, new
8454         variable symbols_to_retain.
8455         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8456         should_retain_symbol map.
8457         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8458         * testsuite/Makefile.in: Regenerate.
8459         * testsuite/retain_symbols_file_test.sh: New file.
8460
8461 2009-09-18  Nick Clifton  <nickc@redhat.com>
8462
8463         * po/es.po: Updated Spanish translation.
8464
8465 2009-09-17  Doug Kwan  <dougkwan@google.com>
8466
8467         * debug.h (DEBUG_RELAXATION): New constant.
8468         (DEBUG_ALL): Add DEBUG_RELAXATION.
8469         (debug_string_to_enum): Add relaxation debug option.
8470         * layout.cc
8471         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8472         Layout::Relaxation_debug_check::read_sections,
8473         Layout::Relaxation_debug_check::read_sections): New method definitions.
8474         (Layout::Layout): Initialize data members
8475         record_output_section_data_from_scrips_,
8476         script_output_section_data_list_ and relaxation_debug_check_.
8477         (Layout::save_segments, Layout::restore_segments,
8478         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8479         Layout::relaxation_loop_body): New method definitions.
8480         (Layout::finalize): Support relaxation.  Move section layout code to
8481         Layout::relaxation_loop_body.
8482         (Layout::set_asection_address_from_script): Move code for orphan
8483         section placement out.
8484         (Layout::place_orphan_sections_in_script): New method definition.
8485         * layout.h (Output_segment_headers, Output_file_header):
8486         New forward class declarations.
8487         (Layout::~Layout): Define.
8488         (Layout::new_output_section_data_from_script): New method definition.
8489         (Layout::place_orphan_sections_in_script): New method declaration.
8490         (Layout::Segment_states): New type declaration.
8491         (Layout::save_segments, Layout::restore_segments,
8492         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8493         Layout::relaxation_loop_body): New method declarations.
8494         (Layout::Output_section_data_list): New type declaration.
8495         (Layout::Relaxation_debug_check): New class definition.
8496         (Layout::record_output_section_data_from_script_,
8497         Layout::script_output_section_data_list_, Layout::segment_states_,
8498         Layout::relaxation_debug_check_): New data members.
8499         * output.cc: (Output_section_headers::do_size): New method definition.
8500         (Output_section_headers::Output_section_headers): Move size
8501         computation to Output_section_headers::do_size.
8502         (Output_segment_headers::do_size): New method definition.
8503         (Output_file_header::Output_file_header): Move size computation to
8504         Output_file_header::do_size and call it.
8505         (Output_file_header::do_size): New method definition.
8506         (Output_data_group::Output_data_group): Adjust call to
8507         Output_section_data.
8508         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8509         (Output_symtab_xindex::do_write): Add array bound check.
8510         (Output_section::Input_section::print_to_mapfile): Handle
8511         RELAXED_INPUT_SECTION_CODE.
8512         (Output_section::Output_section): Initialize data member checkpoint_.
8513         (Output_section::~Output_section): Delete checkpoint object pointed
8514         by checkpoint_.
8515         (Output_section::add_input_section): Always add an Input_section if
8516         relaxing.
8517         (Output_section::add_merge_input_section): Add assert.
8518         (Output_section::relax_input_section): New method definition.
8519         (Output_section::set_final_data_size): Set load address to zero for
8520         an unallocated section.
8521         (Output_section::do_address_and_file_offset_have_reset_values):
8522         New method definition.
8523         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8524         Handle relaxed input section.
8525         (Output_section::sort_attached_input_sections): Checkpoint input
8526         section list lazily.
8527         (Output_section::get_input_sections): Change type of input_sections to
8528         list of Simple_input_section pointers.  Checkpoint input section list
8529         lazily.  Also handle relaxed input sections.
8530         (Output_section::add_input_section_for_script): Take a reference to
8531         a Simple_input_section object instead of Relobj pointer and section
8532         index as parameter.  Handle relaxed input sections.
8533         (Output_section::save_states, Output_section::restore_states): New
8534         method definitions.
8535         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8536         (Output_data::is_data_size_fixed): New method definition.
8537         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8538         if it is fixed.
8539         (Output_data::address_and_file_offset_have_reset_values): New method
8540         definition.
8541         (Output_data::do_address_and_file_offset_have_reset_values): New method
8542         definition.
8543         (Output_data::set_data_size): Check that data size is not fixed.
8544         (Output_data::fix_data_size): New method definition.
8545         (Output_data::is_data_size_fixed_): New data member.
8546         (Output_section_headers::set_final_data_size): New method definition.
8547         (Output_section_headers::do_size): New method declaration.
8548         (Output_segment_headers::set_final_data_size): New method definition.
8549         (Output_segment_headers::do_size): New method declaration.
8550         (Output_file_header::set_final_data_size)::New method definition.
8551         (Output_file_header::do_size)::New method declaration.
8552         (Output_section_data::Output_section_data): Add new parameter
8553         is_data_size_fixed and use it to fix data size.
8554         (Output_data_const::Output_data_const): Adjust call to base class
8555         constructor and fix data size.
8556         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8557         base class constructor and fix data size.
8558         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8559         base class constructor and fix data size.
8560         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8561         class constructor and fix data size.
8562         (Output_data_group::set_final_data_size): New method definition.
8563         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8564         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8565         class constructor and fix data size.
8566         (Output_relaxed_input_section): New class definition.
8567         (Output_section::Simple_input_section): New class definition.
8568         (Output_section::get_input_sections): Adjust parameter list.
8569         (Output_section::add_input_section_for_script): Same.
8570         (Output_section::save_states, Output_section::restore_states,
8571         Output_section::do_address_and_file_offset_have_reset_values,
8572         (Output_section::Input_section::Input_section): Handle
8573         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8574         Output_relaxed_input_section.
8575         (Output_section::Input_section::is_input_section,
8576         Output_section::Input_section::set_output_section): Handle relaxed
8577         input section.
8578         (Output_section::Input_section::is_relaxed_input_section,
8579         Output_section::Input_section::output_section_data,
8580         Output_section::Input_section::relaxed_input_section): New method
8581         definitions.
8582         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8583         value.
8584         (Output_section::Input_section::u1_): Update comments.
8585         (Output_section::Input_section::u2_): Add new union member poris.
8586         (Output_section::Checkpoint_output_section): New classs definition.
8587         (Output_section::relax_input_section): New method declaration.
8588         (Output_section::checkpoint_): New data member.
8589         (Output_segment): Update comments.
8590         (Output_segment::Output_segment): Un-privatize copy constructor.
8591         (Output_segment::operator=): Un-privatize.
8592         * script-sections.cc (Output_section_element::Input_section_list):
8593         Change element type to Output_section::Simple_input_section.
8594         (Output_section_element_dot_assignment::set_section_addresses):
8595         Register output section data for relaxation clean up.
8596         (Output_data_exression::Output_data_expression): Adjust call to base
8597         constructor to fix data size.
8598         (Output_section_element_data::set_section_addresses): Register
8599         Output_data_expression object for relaxation clean up.
8600         (struct Input_section_info): Replace Relobj pointer and section index
8601         pair with Output_section::Simple_input_section and Convert struct to a
8602         class.
8603         (Input_section_sorter::operator()): Adjust access to
8604         Input_section_info data member to use accessors.
8605         (Output_section_element_input::set_section_addresses): Use layout
8606         parameter.  Adjust code to use Output_section::Simple_input_section
8607         and Input_secction_info classes.  Register filler for relaxation
8608         clean up.
8609         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8610         and section index pair with Output_section::Simple_input_section
8611         class.  Adjust code accordingly.
8612         (Phdrs_element::release_segment): New method definition.
8613         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8614         segment list.
8615         (Script_sections::release_segments): New method definition.
8616         * gold/script-sections.h (Script_sections::release_segments): New
8617         method declaration.
8618         * gold/target.h (Target::may_relax, Target::relax,
8619         Target::do_may_relax, Target::do_relax): New method definitions.
8620
8621 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8622
8623         * arm.cc (has_signed_unsigned_overflow): New function.
8624         (Arm_relocate_functions::abs8): New function.
8625         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8626         (Target_arm::Scan::global): Likewise.
8627         (Target_arm::relocate::relocate): Likewise.
8628         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8629         Likewise.
8630
8631 2009-09-16  Cary Coutant  <ccoutant@google.com>
8632
8633         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8634         * testsuite/Makefile.in: Regenerate.
8635
8636 2009-09-11  Nick Clifton  <nickc@redhat.com>
8637
8638         * po/gold.pot: Updated by the Translation project.
8639
8640 2009-09-08  Cary Coutant  <ccoutant@google.com>
8641
8642         * output.cc (Output_file::open): Add execute permission to empty file.
8643         * testsuite/Makefile.am (permission_test): New test.
8644         * testsuite/Makefile.in: Regenerate.
8645
8646 2009-09-02  Ian Lance Taylor  <iant@google.com>
8647
8648         * output.cc (Output_file::resize): Call map_no_anonymous rather
8649         than map.
8650
8651 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8652
8653         * gold.cc: Include "incremental.h".
8654         (queue_initial_tasks): Call Incremental_checker methods.
8655         * incremental.cc: Include "output.h".
8656         (Incremental_checker::can_incrementally_link_output_file): New
8657         method.
8658         * incremental.h (Incremental_checker): New class.
8659
8660         * output.cc (Output_file::open_for_modification): New method.
8661         (Output_file::map_anonymous): Changed return type to bool.  Record
8662         map in base_ field.
8663         (Output_file::map_no_anonymous): New method, broken out of map.
8664         (Output_file::map): Use map_no_anonymous and map_anonymous.
8665         * output.h (class Output_file): Update declarations.
8666
8667 2009-08-24  Cary Coutant  <ccoutant@google.com>
8668
8669         * options.h (Command_line::Pre_options): New class.
8670         (Command_line::pre_options): New member.
8671         * options.cc (gold::options::ready_to_register): New variable.
8672         (One_option::register_option): Do nothing if not registering options.
8673         Assert if same short option registered twice.
8674         (General_options::General_options): Turn off option registration when
8675         done constructing.
8676         (Command_line::Pre_options::Pre_options): New constructor.
8677
8678 2009-08-24  Cary Coutant  <ccoutant@google.com>
8679
8680         * options.h (General_options::no_keep_memory): Remove incorrect
8681         short option.
8682
8683 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8684
8685         * Makefile.am (am__skiplex, am__skipyacc): New.
8686         * Makefile.in: Regenerate.
8687
8688 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8689
8690         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8691         (INCLUDES): ... this.
8692         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8693         (AM_CPPFLAGS): Renamed from ...
8694         (INCLUDE): ... this.
8695         * Makefile.in, testsuite/Makefile.in: Regenerate.
8696
8697         * Makefile.in: Regenerate.
8698         * aclocal.m4: Likewise.
8699         * config.in: Likewise.
8700         * configure: Likewise.
8701         * testsuite/Makefile.in: Likewise.
8702
8703         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8704         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8705         * Makefile.in: Regenerate.
8706         * testsuite/Makefile.in: Regenerate.
8707
8708 2009-08-19  Cary Coutant  <ccoutant@google.com>
8709
8710         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8711         symbols in shared libraries overridden by hidden or internal symbols
8712         in the main program.
8713
8714 2009-08-19  Chris Demetriou  <cgd@google.com>
8715
8716         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8717         checking source file names in error messages.
8718
8719 2009-08-18  Doug Kwan  <dougkwan@google.com>
8720
8721         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8722         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8723         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8724         an elfcpp::Ehdr as parameter.
8725         * object.cc (Object::set_target): Remove the version that looks up
8726         a target and sets it.
8727         (Sized_relobj::setup): Take a Target object instead of
8728         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8729         (make_elf_sized_object): Find target and ask target to
8730         make an ELF object.
8731         * object.h: (Object::set_target): Remove the version that looks up
8732         a target and sets it.
8733         (Sized_relobj::setup): Take a Target object instead of
8734         an elfcpp:Ehdr as parameter.
8735         * target.cc: Include dynobj.h.
8736         (Target::do_make_elf_object_implementation): New.
8737         (Target::do_make_elf_object): New.
8738         * target.h (Target::make_elf_object): New template declaration.
8739         (Target::do_make_elf_object): New method declarations.
8740         (Target::do_make_elf_object_implementation): New template declaration.
8741
8742 2009-08-14  Ian Lance Taylor  <iant@google.com>
8743
8744         * gold.h (FUNCTION_NAME): Define.
8745         (gold_unreachable): Use FUNCTION_NAME.
8746
8747 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8748
8749         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8750         symbol in the --keep-unique list is not found.
8751
8752 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8753
8754         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8755         been maked as --keep-unique.
8756         (Icf::unfold_section): New function.
8757         * icf.h (Icf::unfold_section): New function.
8758         * options.h (General_options::keep_unique): New option.
8759         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8760         * testsuite/Makefile.in: Regenerate.
8761         * testsuite/icf_keep_unique_test.sh: New file.
8762         * testsuite/icf_keep_unique_test.cc: New file.
8763
8764 2009-08-12  Cary Coutant  <ccoutant@google.com>
8765
8766         PR 10471
8767         * resolve.cc (Symbol_table::resolve): Check for references from
8768         dynamic objects to hidden and internal symbols.
8769         * testsuite/Makefile.am (hidden_test.sh): New test.
8770         * testsuite/Makefile.in: Regenerate.
8771         * testsuite/hidden_test.sh: New script.
8772         * testsuite/hidden_test_1.c: New test source.
8773         * testsuite/hidden_test_main.c: New test source.
8774
8775 2009-08-11  Doug Kwan  <dougkwan@google.com>
8776
8777         * arm.cc: Update comments.
8778         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8779         segment to locate the .ARM.exidx section if present.
8780
8781 2009-08-09  Doug Kwan  <dougkwan@google.com>
8782
8783         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8784         patch.
8785
8786 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8787         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8788         compiler warnings.
8789
8790 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8791
8792         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8793         valid tls_segment only for non-debug-section relocations.
8794         * testsuite/Makefile.am: Add gc_tls_test.
8795         * testsuite/Makefile.in: Regenerate.
8796         * testsuite/gc_tls_test.cc: New file.
8797         * testsuite/gc_tls_test.sh: New file.
8798
8799 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8800
8801         * icf.cc: New file.
8802         * icf.h: New file.
8803         * Makefile.am (CCFILES): Add icf.cc.
8804         (HFILES): Add icf.h
8805         * Makefile.in: Regenerate.
8806         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8807         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8808         section, symbol and addend information for the relocs.
8809         * gold.cc (queue_middle_tasks): Call identical code folding.
8810         * gold.h: Add defines for multimap.
8811         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8812         to the call of finalize_local_symbols.
8813         * main.cc (main): Create object of class Icf.
8814         * object.cc (Sized_relobj::do_layout): Allow this function to be
8815         called twice during icf.
8816         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8817         to sections marked as identical by icf.
8818         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8819         when available.
8820         (Sized_relobj::do_section_entsize): New function.
8821         * object.h (Object::section_entsize): New function.
8822         (Object::do_section_entsize): New pure virtual function.
8823         (Relobj::finalize_local_symbols): Add new parameter.
8824         (Relobj::do_section_entsize): New function.
8825         * options.h (General_options::icf): New option.
8826         (General_options::icf_iterations): New option.
8827         (General_options::print_icf_sections): New option.
8828         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8829         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8830         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8831         icf.
8832         * symtab.cc (Symbol_table::is_section_folded): New function.
8833         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8834         to sections marked as identical by icf.
8835         * symtab.h (Symbol_table::set_icf): New function.
8836         (Symbol_table::icf): New function.
8837         (Symbol_table::is_section_folded): New function.
8838         (Symbol_table::icf_): New data member.
8839         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8840         * testsuite/Makefile.am: Add commands to build icf_test.
8841         * testsuite/Makefile.in: Regenerate.
8842         * testsuite/icf_test.sh: New file.
8843         * testsuite/icf_test.cc: New file.
8844
8845 2009-07-24  Chris Demetriou  <cgd@google.com>
8846
8847         * layout.cc (is_compressible_debug_section): Fix incorrect
8848         comment about compressed section names.
8849
8850 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8851
8852         PR 10419
8853         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8854
8855 2009-07-16  Ian Lance Taylor  <iant@google.com>
8856
8857         PR 10400
8858         * layout.h: #include <map>.
8859         (class Kept_section): Change from struct to class.  Add accessors
8860         and setters.  Add section size to Comdat_group mapping.  Change
8861         Comdat_group to std::map.  Add is_comdat_ field.  Add
8862         linkonce_size field in union.
8863         (class Layout): Update declaration of find_or_add_kept_section.
8864         Don't declare find_kept_object.
8865         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8866         parameter.  Add object, shndx, is_comdat, and is_group_name
8867         parameters.  Change all callers.  Adjust for new Kept_section.
8868         (Layout::find_kept_object): Remove.
8869         * object.cc (Sized_relobj::include_section_group): Update use of
8870         Kept_section.  Rename secnum to shndx.  Only record
8871         Kept_comdat_section if sections are the same size.
8872         (Sized_relobj::include_linkonce_section): Update use of
8873         Kept_section.  Only record Kept_comdat_section if sections are the
8874         same size.  Set size of linkonce section.
8875         (Sized_relobj::map_to_kept_section): Update call to
8876         get_kept_comdat_section.
8877         * object.h (class Sized_relobj): Rename fields in
8878         Kept_comdat_section to drop trailing underscores; change object
8879         field to Relobj*.  Change Kept_comdat_section_table to store
8880         struct rather than pointer.
8881         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8882         Add kept_object and kept_shndx parameters.  Change all callers.
8883         (Sized_relobj::get_kept_comdat_section): Change return type to
8884         bool.  Add kept_object and kept_shndx parameters.  Change all
8885         callers.
8886         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8887         Layout::find_or_add_kept_section.
8888
8889 2009-07-09  Ian Lance Taylor  <iant@google.com>
8890
8891         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8892         Reserve space in the hash table.
8893
8894 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8895
8896         * fileread.cc (File_read::get_mtime): New method.
8897         * fileread.h (Timespec): New structure.
8898         (File_read::get_mtime): New method.
8899         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8900         Renamed from timestamp_nsec.
8901         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8902         Elf_Xword.
8903         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8904         timestamp_nsec.
8905         (Incremental_inputs::report_archive): Save mtime; style fix.
8906         (Incremental_inputs::report_obejct): Save mtime; style fix.
8907         (Incremental_inputs::report_script): Save mtime; style fix.
8908         (Incremental_inputs::finalize_inputs): Style fix.
8909         (Incremental_inputs::finalize): Style fix.
8910         (Incremental_inputs::create_input_section_data): Store inputs
8911         mtime.
8912         * incremental.h (Incremental_inputs::report_script): Add mtime
8913         argument.
8914         (Incremental_inputs::Input_info::Input_info): Intialize only one
8915         union member.
8916         (Incremental_inputs::Input_info::archive): Move to nameless
8917         union.
8918         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8919         (Incremental_inputs::Input_info::script): Move to nameless union.
8920         (Incremental_inputs::mtime): New field.
8921         * script.cc (read_input_script): Pass file mtime to
8922         Incremental_input.
8923         * script.h (Script_info::inputs): Style fix.
8924
8925 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8926
8927         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8928         instead of 32.
8929
8930 2009-06-24  Ian Lance Taylor  <iant@google.com>
8931
8932         PR 10156
8933         * layout.cc (Layout::choose_output_section): If we find an
8934         existing section, update the flags.
8935         (Layout::create_notes): New function, broken out of
8936         Layout::finalize.
8937         (Layout::finalize): Don't create note sections.
8938         (Layout::create_note): Don't crash if linker script discards
8939         section.
8940         (Layout::create_gold_note): Likewise.
8941         (Layout::create_build_id): Likewise.  Don't set
8942         after_input_sections on the section.
8943         (Layout::create_executable_stack_info): Remove target parameter.
8944         Change caller.
8945         * layout.h (class Layout): Declare create_notes.  Update
8946         declaration of create_executable_stack_info.
8947         * gold.cc (queue_middle_tasks): Call create_notes.
8948         * output.cc (Output_section::update_flags_for_input_section): Move
8949         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8950         invalid.
8951         * output.h (Output_data::mark_address_invalid): New function.
8952         (class Output_section): Only declare, not define,
8953         update_flags_for_input_section.  Remove set_flags.
8954
8955 2009-06-24  Ian Lance Taylor  <iant@google.com>
8956
8957         * script-sections.cc (Output_section_definition::
8958         set_section_addresses): Rename shadowing local load_address to
8959         laddr.
8960
8961 2009-06-24  Ian Lance Taylor  <iant@google.com>
8962
8963         PR 10244
8964         * reloc.cc (relocate_sections): Skip empty relocation sections.
8965
8966 2009-06-23  Ian Lance Taylor  <iant@google.com>
8967
8968         PR 10156
8969         * layout.cc (Layout::create_note): Use choose_output_section
8970         rather than make_output_section.
8971
8972 2009-06-23  Ian Lance Taylor  <iant@google.com>
8973
8974         PR 10237
8975         * options.cc (General_options::parse_V): Set printed_version_.
8976         (General_options::General_options): Initialize printed_version_.
8977         * options.h (class General_options): Add printed_version_ field.
8978         * gold.cc (queue_initial_tasks): If there are no input files,
8979         don't give a fatal error if we printed the version information.
8980         (queue_middle_tasks): If using -r with a shared object, give a
8981         fatal error rather than an ordinary error.
8982
8983 2009-06-23  Ian Lance Taylor  <iant@google.com>
8984
8985         PR 10219
8986         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8987         (Layout::make_output_section): Set have_stabstr_section_ if we see
8988         a .stab*str section.
8989         (Layout::finalize): Call link_stabs_sections.
8990         (Layout::link_stabs_sections): New file.
8991         * layout.h (class Layout): Add have_stabstr_section_ field.
8992         Declare link_stabs_sections.
8993
8994 2009-06-23  Doug Kwan  <dougkwan@google.com>
8995
8996         * Makefile.am (libgold_a_LIBADD): New.
8997         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8998         * Makefile.in: Regenerate.
8999         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9000         * configure: Regenerate.
9001         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9002         * fileread.cc: Include sys/state.h
9003         * gold.h: Declare memmem and strndup if found missing.
9004         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9005
9006 2009-06-23  Ian Lance Taylor  <iant@google.com>
9007
9008         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9009         * configure: Rebuild.
9010
9011 2009-06-23  Ian Lance Taylor  <iant@google.com>
9012
9013         PR 10147
9014         * object.cc (Object::section_contents): Don't try to get a view if
9015         the section has length zero.
9016         (Object::handle_gnu_warning_section): If the section is empty, use
9017         the name of the section as the warning.
9018
9019 2009-06-23  Ian Lance Taylor  <iant@google.com>
9020
9021         PR 10133
9022         * stringpool.h (class Stringpool_template): Add optimize_ field.
9023         (Stringpool_template::set_optimize): New function.
9024         * stringpool.cc (Stringpool_template::Stringpool_template):
9025         Initialize optimize_ field.
9026         (Stringpool_template::set_string_offsets): Test local optimize
9027         fild rather than parameter.
9028         * layout.cc (Layout::Layout): Call set_optimize on the section
9029         name stringpool.
9030
9031 2009-06-22  Ian Lance Taylor  <iant@google.com>
9032
9033         PR 10030
9034         * yyscript.y: Parse TARGET.
9035         * script.cc (script_set_target): New function.
9036         * script-c.h (script_set_target): Declare.
9037         * options.cc (General_options::string_to_object_format): Rename
9038         from string_to_object_format in anonymous namespace.  Change
9039         callers.
9040         * options.h (class General_options): Declare
9041         string_to_object_format.
9042
9043 2009-06-22  Ian Lance Taylor  <iant@google.com>
9044
9045         * script-sections.cc (Script_sections::create_segments): Don't put
9046         program headers in a PT_LOAD segment if -n or -N.
9047
9048 2009-06-22  Ian Lance Taylor  <iant@google.com>
9049
9050         PR 10141
9051         * options.h (class General_options): Add -z lazy and -z now.  Sort
9052         -z options into alphabetical order.
9053         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9054
9055 2009-06-21  Ian Lance Taylor  <iant@google.com>
9056
9057         * layout.cc (Layout::make_output_section): Call
9058         Target::new_output_section.
9059         (Layout::attach_allocated_section_to_segment): Put large section
9060         sections in a separate load segment with the large segment flag
9061         set.
9062         (Layout::segment_precedes): Sort large data segments after other
9063         load segments.
9064         (align_file_offset): New static function.
9065         (Layout::set_segment_offsets): Use align_file_offset.
9066         * output.h (class Output_section): Add is_small_section_ and
9067         is_large_section_ fields.
9068         (Output_section::is_small_section): New function.
9069         (Output_section::set_is_small_section):  New function.
9070         (Output_section::is_large_section): New function.
9071         (Output_section::set_is_large_section): New function.
9072         (Output_section::is_large_data_section): New function.
9073         (class Output_segment): Add is_large_data_segment_ field.
9074         (Output_segment::is_large_data_segment): New function.
9075         (Output_segment::set_is_large_data_segment): New function.
9076         * output.cc (Output_section::Output_section): Initialize new
9077         fields.
9078         (Output_segment::Output_segment): Likewise.
9079         (Output_segment::add_output_section): Add assertion that large
9080         data sections always go in large data segments.  Force small data
9081         sections to the end of the list of data sections.  Force small BSS
9082         sections to the start of the list of BSS sections.  For large BSS
9083         sections to the end of the list of BSS sections.
9084         * symtab.h (class Symbol): Declare is_common_shndx.
9085         (Symbol::is_defined): Check Symbol::is_common_shndx.
9086         (Symbol::is_common): Likewise.
9087         (class Symbol_table): Define enum Commons_section_type.  Update
9088         declarations.  Add small_commons_ and large_commons_ fields.
9089         * symtab.cc (Symbol::is_common_shndx): New function.
9090         (Symbol_table::Symbol_table): Initialize new fields.
9091         (Symbol_table::add_from_object): Put small and large common
9092         symbols in the right list.
9093         (Symbol_table::sized_finalized_symbol): Check
9094         Symbol::is_common_shndx.
9095         (Symbol_table::sized_write_globals): Likewise.
9096         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9097         common symbol lists.  Don't call do_allocate_commons_list if the
9098         list is empty.
9099         (Symbol_table::do_allocate_commons_list): Remove is_tls
9100         parameter.  Add comons_section_type parameter.  Change all
9101         callers.  Handle small and large common symbols.
9102         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9103         Symbol::is_common_shndx.
9104         * resolve.cc (symbol_to_bits): Likewise.
9105         * target.h (Target::small_common_shndx): New function.
9106         (Target::small_common_section_flags): New function.
9107         (Target::large_common_shndx): New function.
9108         (Target::large_common_section_flags): New function.
9109         (Target::new_output_section): New function.
9110         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9111         small_common_section_flags, and large_common_section_flags
9112         fields.
9113         (Target::do_new_output_section): New virtual function.
9114         * arm.cc (Target_arm::arm_info): Initialize new fields.
9115         * i386.cc (Target_i386::i386_info): Likewise.
9116         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9117         Likewise.
9118         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9119         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9120         (Target_x86_64::do_new_output_section): New function.
9121         * configure.ac: Define conditional MCMODEL_MEDIUM.
9122         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9123         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9124         (large_LDFLAGS): Define.
9125         * testsuite/large.c: New file.
9126         * testsuite/testfile.cc (Target_test::test_target_info):
9127         Initialize new fields.
9128         * configure, testsuite/Makefile.in: Rebuild.
9129
9130 2009-06-05  Doug Kwan  <dougkwan@google.com>
9131
9132         * Makefile.am (CCFILES): Add target.cc.
9133         * Makefile.in: Regenerate.
9134         * i386.cc (class Target_i386): Define new virtual method to
9135         override do_is_local_label_name in parent.
9136         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9137         local symbols if --discard-locals or -X is given.
9138         * options.h (class General_options): Declare new options
9139         '--discard-locals' and '-X' for discarding locals.
9140         * target.h (class Target): Define new methods is_local_label_name.
9141         Declare new virtual method do_is_local_label_name.
9142         * target.cc: New file.
9143         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9144         (check_SCRIPTS): Add discard_locals_test.sh.
9145         (check_DATA): Add discard_local_tests.syms.
9146         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9147         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9148         * testsuite/Makefile.in: Regenerate.
9149         * testsuite/discard_locals_test.c: New file.
9150         * testsuite/discard_locals_test.sh: Same.
9151
9152 2009-06-05  Doug Kwan  <dougkwan@google.com>
9153
9154         * object.cc (Sized_relobj::Sized_relobj): Initialize
9155         discarded_eh_frame_shndx_ to -1U.
9156         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9157         section.
9158         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9159         a discarded .eh_frame section.
9160         (Sized_relobj::do_finalize_local_symbols): Ditto.
9161         * object.h (class Sized_relobj): Declare new member
9162         discarded_eh_frame_shndx_.
9163         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9164         (local_labels_test.o, local_labels_test): New rules.
9165         * testsuite/Makefile.in: Regenerate.
9166
9167 2009-06-04  Doug Kwan  <dougkwan@google.com>
9168
9169         * layout.cc (Layout::section_name_mapping): Add mapping for
9170         special ARM sections.
9171
9172 2009-06-03  Doug Kwan  <dougkwan@google.com>
9173
9174         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9175         (utils::has_overflow): Same.
9176
9177 2009-06-03  Ian Lance Taylor  <iant@google.com>
9178
9179         * layout.cc (Layout::section_name_mapping): New array, replacing
9180         Layout::linkonce_mapping.
9181         (Layout::section_name_mapping_count): New variable, replacing
9182         Layout::linkonce_mapping_count.
9183         (Layout::linkonce_output_name): Remove.
9184         (Layout::output_section_name): Rewrite.
9185         * layout.h (class Layout): Rename Linkonce_mapping to
9186         Section_name_mapping, linkonce_mapping to section_name_mapping,
9187         linkonce_mapping_count to section_name_mapping_count.  Don't
9188         declare linkonce_output_name.
9189
9190 2009-06-03  Doug Kwan  <dougkwan@google.com>
9191
9192         * gold/arm.cc (namespace utils): New.
9193         (Target_arm::reloc_is_non_pic): Define new method.
9194         (class Arm_relocate_functions): New.
9195         (Target_arm::Relocate::relocate): Handle relocation types used by
9196         Android.
9197
9198 2009-06-03  Ian Lance Taylor  <iant@google.com>
9199
9200         * arm.cc (Target_arm::scan::global): Use || instead of |.
9201
9202 2009-06-02  Doug Kwan  <dougkwan@google.com>
9203
9204         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9205         issued_non_pic_error_.
9206         (class Target_arm::Scan): Declare new method check_non_pic.
9207         Define new method symbol_needs_plt_entry.
9208         Declare new data member issued_non_pic_error_.
9209         (class Target_arm::Relocate): Declare new method
9210         should_apply_static_reloc.
9211         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9212         (Target_arm::Scan::check_non_pic): Define new method.
9213         (Target_arm::Scan::local): Handle a small subset of reloc types used
9214         by Android.
9215         (Target_arm::Scan::local): Same.
9216         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9217
9218 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9219
9220         * incremental.cc (Incremental_inputs::report_command_line): Filter
9221         out --incremental-* options.
9222
9223 2009-05-29  Doug Kwan  <dougkwan@google.com>
9224
9225         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9226         template class.
9227         (class Target_arm): Update comment.
9228         (Target_arm::Target_arm): Initialize new data members GOT_,
9229         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9230         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9231         and Target_arm::rel_dyn_section.
9232         Declare new_enum Target_arm::Got_type.
9233         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9234         and DYNBSS_.
9235         Update commments for member do_dynsym_value.
9236         (Target_arm::got_size, Target_arm::plt_section,
9237         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9238         new methods inside class defintion.
9239         (Target_arm::got_section): Define new method.
9240         (Target_arm::rel_dyn_section): Same.
9241         (Output_data_plt_arm): New template class.
9242         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9243         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9244         (Output_data_plt_arm::add_entry): Same.
9245         (Output_data_plt_arm::first_plt_entry): Define new
9246         static data member for PLT instruction template.
9247         (Output_data_plt_arm::plt_entry): Same.
9248         (Output_data_plt_arm::do_write): Define new method.
9249         (Target_arm::make_plt_entry): Same.
9250         (Target_arm::do_finalize_sections): Same.
9251         (Target_arm::do_dynsym_value): Same.
9252
9253 2009-05-28  Doug Kwan  <dougkwan@google.com>
9254
9255         * Makefile.am (TARGETSOURCES): Add arm.cc.
9256         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9257         * Makefile.in: Regenerate.
9258         * arm.cc: New file.
9259         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9260
9261 2009-05-26  Doug Kwan  <dougkwan@google.com>
9262
9263         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9264         (General_options::check_excluded_libs): Strip off directories in
9265         archive name before matching like GNU ld does.
9266         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9267         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9268         (exclude_libs_test_LDFLAGS): Add linker option
9269         -Wl,--exclude-libs,libexclude_libs_test_3
9270         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9271         an explicit archive without using -l.
9272         (alt/libexclude_libs_test_3.a): New make rule.
9273         * testsuite/Makefile.in: Regenerate.
9274         * testsuite/exclude_libs_test.c : Declare lib3_default().
9275         (main): Call it.
9276         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9277         * exclude_libs_test_3.c: New file.
9278
9279 2009-05-26  Nick Clifton  <nickc@redhat.com>
9280
9281         * po/id.po: New Indonesian translation.
9282         * po/gold.pot: Updated template file.
9283
9284 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9285
9286         * testsuite/Makefile.am: Add -ffunction-sections to compile
9287         gc_comdat_test files.  Add -Wl,--gc-sections to build
9288         gc_comdat_test.
9289         * testsuite/Makefile.in: Regenerate.
9290         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9291
9292 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9293
9294         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9295         kept comdat section was garbage collected.
9296         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9297         * testsuite/Makefile.in: Regenerate.
9298         * testsuite/gc_comdat_test.sh: New file.
9299         * testsuite/gc_comdat_test_1.cc: New file.
9300         * testsuite/gc_comdat_test_2.cc: New file.
9301
9302 2009-05-19  Doug Kwan  <dougkwan@google.com>
9303
9304         * archive.cc (Archive::Archive): Move constructor from archive.h
9305         to here.  Initialize no_export_.
9306         (Archive::get_elf_object_for_member): Set no_export flag of object.
9307         * archive.h (Archive::Archive): Move constructor body to
9308         archive.cc.
9309         (Archive::no_export): New method.
9310         (Archive::no_export_): New field.
9311         * object.h (Object::Object): Initialize no_export_ to false.
9312         (Object::no_export, Object::set_no_export): New methods.
9313         (Object::no_export_): New field.
9314         * options.cc (General_options::parse_exclude_libs): New method.
9315         (General_options::check_excluded_libs) Same.
9316         * options.h (exclude_libs): New option.
9317         (General_options::check_excluded_libs): New method declaration.
9318         (General_options::excluded_libs_): New field.
9319         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9320         default or protected visibility if an object has no-export flag set.
9321         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9322         (check_SCRIPTS): Add exclude_libs_test.sh.
9323         (check_DATA): Add exclude_libs_test.syms.
9324         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9325         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9326         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9327         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9328         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9329         libexclude_libs_test_2.a): New rules.
9330         * testsuite/Makefile.in: Regenerate.
9331         * testsuite/exclude_libs_test.c: New file.
9332         * testsuite/exclude_libs_test.sh: Ditto.
9333         * testsuite/exclude_libs_test_1.c: Ditto.
9334         * testsuite/exclude_libs_test_2.c: Ditto.
9335
9336 2009-05-15  Ian Lance Taylor  <iant@google.com>
9337
9338         * configure.ac: Check for declarations for cases where libiberty.h
9339         checks HAVE_DECL_xxx.
9340         * configure, config.in: Rebuild.
9341
9342 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9343
9344         * gold.h (Incremental_argument_list): Remove (invalid) forward
9345         declaration.
9346         * incremental.cc (Incremental_inputs::report_achive): New method.
9347         (Incremental_inputs::report_object): New method.
9348         (Incremental_inputs::report_script): New method.
9349         (Incremental_inputs::finalize_inputs): New method.
9350         (Incremental_inputs::finalize): Call finalize_inputs().
9351         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9352         Create inputs entries.
9353         * incremental.h (Incremental_input_type): New enum.
9354         (Incremental_inputs::Incremental_input): Initialize new fields.
9355         (Incremental_inputs::report_inputs): New method.
9356         (Incremental_inputs::report_achive): New method.
9357         (Incremental_inputs::report_object): New method.
9358         (Incremental_inputs::report_script): New method.
9359         (Incremental_inputs::finalize_inputs): New method.
9360         (Incremental_inputs::Input_info): New struct.
9361         (Incremental_inputs::Input_info_map): New typedef.
9362         (Incremental_inputs::lock_): New field.
9363         (Incremental_inputs::Inputs_): New field.
9364         (Incremental_inputs::Inputs_map): New field.
9365         * main.cc (main): Call Incremental_input::report_inputs.
9366         * options.h (Input_argument_list): Typedef moved from
9367         Input_arguments.
9368         (Input_file_group::Files): Remove, use ::Input_argument_list.
9369         (Input_file_group::Input_argument_list): Remove, use
9370         ::Input_argument_list.
9371         * plugin.cc (Plugin_manager::add_input_file): Add error in
9372         incremental build.
9373         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9374         functions.
9375         * script.cc (read_input_script): Call
9376         Incremental_input::report_script.
9377         * script.h (Script_info): New class.
9378
9379 2009-04-27  Ian Lance Taylor  <iant@google.com>
9380
9381         * x86_64.cc (do_adjust_output_section): Set entsize to
9382         plt_entry_size.
9383
9384 2009-04-23  Elliott Hughes  <enh@google.com>
9385
9386         * output.cc (Output_file::close): After short writes, continue
9387         writing from the correct offset in the buffer being written.
9388
9389 2009-04-23  Chris Demetriou  <cgd@google.com>
9390
9391         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9392         * configure: Regenerate.
9393         * config.in: Regenerate.
9394         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9395         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9396
9397 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9398
9399         * incremental.cc (Incremental_inputs_header_data): Renamed from
9400         Incremental_input_header_data.
9401         (Incremental_inputs_header_data::data_size): New field.
9402         (Incremental_inputs_header_data::put_input_file_count): Renamed
9403         from input_file_count.
9404         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9405         from command_line_offset.
9406         (Incremental_inputs_header_data::put_reserved): Renamed from
9407         put_reserved.
9408         (Incremental_inputs_entry_data): Renamed from
9409         Incremental_input_entry_data.
9410         (Incremental_inputs_entry_data::data_size): New field.
9411         (Incremental_inputs::report_command_line): New method.
9412         (Incremental_inputs::finalize): New method.
9413         (Incremental_inputs::create_incremental_inputs_data): New method.
9414         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9415         * incremental.h: New file.
9416         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9417        (Layout::finalize): Create incremental inputs section in
9418         incremental builds.
9419        (Layout::create_incremental_info_sections): New method.
9420         * layout.h (Layout::incremental_inputs): New method.
9421        (Layout::create_incremental_info_sections): New method.
9422        (Layout::incremental_inputs_): New field.
9423         * main.cc (main): Notify Incremental_input of the command line.
9424
9425 2009-04-01  Ian Lance Taylor  <iant@google.com>
9426             Mikolaj Zalewski  <mikolajz@google.com>
9427
9428         * gold.h (reserve_unordered_map): Define, three versions, one for
9429         each version of Unordered_map.
9430         * layout.cc (Layout::Layout): Remove options parameter.  Add
9431         number_of_input_files parameter.  Don't initialize options_.
9432         Initialize number_of_input_files_ and resized_signatures_.  Move
9433         sections_are_attached_.
9434         (Layout::layout_group): Reserve space for group_signatures_.
9435         (Layout::find_or_add_kept_section): Change name parameter to be a
9436         reference.  Resize signatures_ map when it gets large enough.
9437         (Layout::layout_eh_frame): Use parameters->options() instead of
9438         this->options_.
9439         (Layout::make_output_section): Likewise.
9440         (Layout::attach_allocated_section_to_segment): Likewise.
9441         (Layout::finalize, Layout::create_executable_stack): Likewise.
9442         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9443         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9444         * layout.h (class Layout): Update declarations.  Remove options_
9445         field.  Add number_of_input_files_ and resized_signatures_
9446         fields.  Move sections_are_attached_ field.
9447         * main.cc (main): Pass number of input files to Layout
9448         constructor.  Don't pass options.
9449
9450 2009-03-30  Ian Lance Taylor  <iant@google.com>
9451
9452         * ffsll.c (ffsll): Correct implementation.
9453
9454 2009-03-27  Ian Lance Taylor  <iant@google.com>
9455
9456         * ffsll.c: New file.
9457         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9458         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9459         * ftruncate.c (ftruncate): Declare before definition.
9460         * mremap.c (mremap): Likewise.
9461         * pread.c (pread): Likewise.
9462         * configure, Makefile.in, config.in: Rebuild.
9463
9464         * mremap.c: New file.
9465         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9466         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9467         (mremap): Declare if HAVE_MREMAP is not defined.
9468         * configure, Makefile.in, config.in: Rebuild.
9469
9470 2009-03-27  Cary Coutant  <ccoutant@google.com>
9471
9472         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9473         position independent.
9474         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9475         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9476
9477 2009-03-24  Cary Coutant  <ccoutant@google.com>
9478
9479         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9480         an executable.
9481         (needs_dynamic_reloc): Likewise.
9482
9483 2009-03-24  Ian Lance Taylor  <iant@google.com>
9484
9485         * yyscript.y (file_cmd): Recognize EXTERN.
9486         (extern_name_list, extern_name_list_body): New nonterminals.
9487         * script.cc (script_add_extern): Define.
9488         * script-c.h (script_add_extern): Declare.
9489
9490 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9491
9492         * object.cc (is_elf_object): Define.
9493         * object.h (is_elf_object): Declare.
9494         * archive.cc (Archive::get_elf_object_for_member): Call
9495         is_elf_object.
9496         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9497
9498 2009-03-24  Elliott Hughes  <enh@google.com>
9499
9500         * output.cc (Output_file::map_anonymous): Define.
9501         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9502         try an anonymous one.  Report the size if the mmap fails.
9503         * output.h (class Output_file): Declare map_anonymous.
9504
9505 2009-03-24  Ian Lance Taylor  <iant@google.com>
9506
9507         * target-select.cc (instantiate_target): Don't acquire the lock if
9508         the instantiated_target_ field has already been set.
9509
9510 2009-03-23  Ian Lance Taylor  <iant@google.com>
9511
9512         * gold-threads.h (class Initialize_lock): Define.
9513         * gold-threads.cc (class Initialize_lock_once): Define.
9514         (initialize_lock_control): New static variable.
9515         (initialize_lock_pointer): New static variable.
9516         (initialize_lock_once): New static function.
9517         (Initialize_lock::Initialize_lock): Define.
9518         (Initialize_lock::initialize): Define.
9519         * target-select.h: Include "gold-threads.h".
9520         (class Target_selector): Add lock_ and initialize_lock_ fields.
9521         Don't define instantiate_target, just declare it.
9522         * target-select.cc (Target_selector::Target_selector): Initialize
9523         new fields.
9524         (Target_selector::instantiate_target): Define.
9525         * descriptors.h: Include "gold-threads.h".
9526         (class Descriptors): Add initialize_lock_ field.
9527         * descriptors.cc (Descriptors::Descriptors): Initialize new
9528         field.
9529         (Descriptors::open): Use initialize_lock_ field
9530         * errors.h (class Errors): Add initialize_lock_ field.
9531         * errors.cc (Errors::Errors): Initialize new field.
9532         (Errors::initialize_lock): Use initialize_lock_ field.
9533         * powerpc.cc (class Target_selector_powerpc): Remove
9534         instantiated_target_ field.  In do_recognize call
9535         instantiate_target rather than do_instantiate_target.  In
9536         do_instantiate_target just allocate a new target.
9537         * sparc.cc (class Target_selector_sparc): Likewise.
9538
9539         * freebsd.h: New file.
9540         * i386.cc: Include "freebsd.h".
9541         (Target_i386): Derive from Target_freebsd rather than
9542         Sized_target.
9543         (Target_selector_i386): Derive from Target_selector_freebsd rather
9544         than Target_selector.
9545         * x86_64.cc: Include "freebsd.h".
9546         (Target_x86_64): Derive from Target_freebsd rather than
9547         Sized_target.
9548         (Target_selector_x86_64): Derive from Target_selector_freebsd
9549         rather than Target_selector.
9550         * target.h (class Target): Add adjust_elf_header and
9551         do_adjust_elf_header.
9552         * output.cc (Output_file_header:: do_sized_write): Call target
9553         adjust_elf_header routine.
9554         * configure.tgt: Set targ_osabi.
9555         * configure.ac: Define GOLD_DEFAULT_OSABI.
9556         * parameters.cc (Parameters::default_target): Pass
9557         GOLD_DEFAULT_OSABI to select_target.
9558         * target-select.h (class Target_selector): Make instantiate_target
9559         protected rather than private.
9560         * Makefile.am (HFILES): Add freebsd.h.
9561         * configure, Makefile.in, config.in: Rebuild.
9562
9563         * merge.cc (do_add_input_section): Correct pend value.  Change
9564         message about last entry not being null terminated from error to
9565         warning.
9566
9567 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9568
9569         * incremental.cc: New file.
9570         * Makefile.am (CCFILES): Add incremental.cc.
9571         * Makefile.in: Rebuild.
9572
9573 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9574
9575         * layout.cc (Layout::output_section_name): Preserve names
9576         of '.note.' sections.
9577
9578 2009-03-19  Ian Lance Taylor  <iant@google.com>
9579
9580         * descriptors.cc (Descriptors::open): Check that the options are
9581         valid before using them.
9582
9583 2009-03-18  Ian Lance Taylor  <iant@google.com>
9584
9585         * script-sections.h: Include <list>.
9586         (class Script_sections): Change Sections_elements from std::vector
9587         to std::list.  Typedef public Elements_iterator.  Add
9588         orphan_section_placement_, data_segment_align_start_, and
9589         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9590         field.
9591         * script-sections.cc (class Orphan_section_placement): New class.
9592         (class Sections_element): Add virtual functions is_relro and
9593         orphan_section_init.  Remove virtual function place_orphan_here.
9594         (class Output_section_definition): Add is_relro and
9595         orphan_section_init.  Remove place_orphan_here.
9596         (class Orphan_output_section): Likewise.
9597         (Script_sections::Script_sections): Update for field changes.
9598         (Script_sections::data_segment_align): Set saw_data_segment_align_
9599         and data_segment_align_start_, not data_segment_align_index.
9600         (Script_sections::data_segment_relro_end): Check
9601         saw_data_segment_align_.  Use data_segment_align_start_ rather
9602         than data_segment_align_index_.
9603         (Script_sections::place_orphan): Rewrite to use
9604         Orphan_section_placement.
9605
9606 2009-03-17  Ian Lance Taylor  <iant@google.com>
9607
9608         * archive.cc (Archive::add_symbols): Check for a version attached
9609         to the symbol name in the archive map.
9610         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9611         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9612         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9613         (ver_test_11.a): New target.
9614         * testsuite/Makefile.in: Rebuild.
9615
9616         * configure.ac: Check for chsize and posix_fallocate.  Replace
9617         ftruncate.
9618         * ftruncate.c: New file, from gnulib.
9619         * output.cc (posix_fallocate): Define dummy version if not
9620         HAVE_POSIX_FALLOCATE.
9621         (Output_file::map): Call posix_fallocate rather than lseek and
9622         write.
9623         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9624         * configure, Makefile.in, config.in: Rebuild.
9625
9626 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9627
9628         * layout.h (Layout::create_note): Add section_name parameter.
9629         * layout.cc (Layout::create_note): Likewise.
9630         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9631
9632 2009-03-17  Ian Lance Taylor  <iant@google.com>
9633
9634         * descriptors.cc: Include "options.h".
9635         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9636         (Descriptors::open): Always use O_CLOEXEC when opening a new
9637         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9638         then set FD_CLOEXEC.
9639
9640         * sparc.cc (class Target_sparc): Add has_got_section.
9641         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9642         make sure we have a GOT section.
9643
9644         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9645         (Target_sparc::Scan::local): Likewise.
9646         (Target_sparc::Scan::global): Likewise.
9647         (Target_sparc::Relocate::relocate): Likewise.
9648         (Target_sparc::Relocate::relocate_tls): Likewise.
9649
9650         * symtab.cc (Symbol_table::define_default_version): New function,
9651         broken out of add_from_object.
9652         (Symbol_table::add_from_object): Call define_default_version.
9653         (Symbol_table::define_special_symbol): Add resolve_oldsym
9654         parameter.  Change all callers.  If the version for a symbol comes
9655         from a version script, resolve it with the symbol with the same
9656         name with no version.  Also add the symbol without a version if
9657         appropriate.
9658         (do_define_in_output_data): If resolving with oldsym, don't delete
9659         sym.
9660         (do_define_in_output_segment): Likewise.
9661         (do_define_as_constant): Likewise.
9662         * symtab.h (class Symbol_table): Update declarations.
9663
9664 2009-03-13  Ian Lance Taylor  <iant@google.com>
9665
9666         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9667         (Read_symbols::requeue): New function.
9668         (Read_symbols::do_read_symbols): If make_elf_object fails because
9669         the target type is not configured, and the file was searched for,
9670         issue a warning and retry with the next directory.
9671         (Add_symbols::run): If the file has an incompatible format, and
9672         it was searched for, requeue the Read_symbols task.  On error,
9673         release the object.
9674         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9675         dirindex parameter to constructor.  Change all callers.  Declare
9676         incompatible_warning and requeue.
9677         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9678         input_argument_ and input_group_ fields.  Add them to
9679         constructor.  Change all callers.
9680         (class Read_script): Add dirindex_ field.  Add it to constructor.
9681         Change all callers.
9682         * archive.cc (Archive::setup): Remove input_objects parameter.
9683         Change all callers.
9684         (Archive::get_file_and_offset): Likewise.
9685         (Archive::read_all_symbols): Likewise.
9686         (Archive::read_symbols): Likewise.
9687         (Archive::get_elf_object_for_member): Remove input_objects
9688         parameter.  Add punconfigured parameter.  Change all callers.
9689         (Archive::add_symbols): Change return type to bool.  Check return
9690         value of include_member.
9691         (Archive::include_all_members): Likewise.
9692         (Archive::include_member): Change return type to bool.  Return
9693         false if first included object has incompatible target.  Set
9694         included_member_ field.
9695         (Add_archive_symbols::run): If add_symbols returns false, requeue
9696         Read_symbols task.
9697         * archive.h (class Archive): Add included_member_ field.
9698         Initialize it in constructor.  Add input_file and searched_for
9699         methods.  Update declarations.
9700         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9701         input_argument_ fields.  Add them to constructor.  Change all
9702         callers.
9703         * script.cc: Include "target-select.h".
9704         (class Parser_closure): Add skip_on_incompatible_target_ and
9705         found_incompatible_target_ fields.  Add
9706         skip_on_incompatible_target parameter to constructor.  Change all
9707         callers.  Add methods skip_on_incompatible_target,
9708         clear_skip_on_incompatible_target, found_incompatible_target, and
9709         set_found_incompatible_target.
9710         (read_input_script): Add dirindex parameter.  Change all callers.
9711         If parser finds an incompatible target, requeue Read_symbols
9712         task.
9713         (script_set_symbol): Clear skip_on_incompatible_target in
9714         closure.
9715         (script_add_assertion, script_parse_option): Likewise.
9716         (script_start_sections, script_add_phdr): Likewise.
9717         (script_check_output_format): New function.
9718         * script.h (read_input_script): Update declaration.
9719         * script-c.h (script_check_output_format): Declare.
9720         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9721         (ignore_cmd): Remove OUTPUT_FORMAT.
9722         * fileread.cc (Input_file::Input_file): Add explicit this.
9723         (Input_file::will_search_for): New function.
9724         (Input_file::open): Add pindex parameter.  Change all callers.
9725         * fileread.h (class Input_file): Add input_file_argument method.
9726         Declare will_search_for.  Update declarations.
9727         * object.cc (make_elf_object): Add punconfigured parameter.
9728         Change all callers.
9729         * object.h (class Object): Make input_file public.  Add
9730         searched_for method.
9731         (make_elf_object): Update declaration.
9732         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9733         restart search.
9734         * dirsearch.h (class Dirsearch): Update declaration.
9735         * options.h (class General_options): Add --warn-search-mismatch.
9736         * parameters.cc (Parameters::is_compatible_target): New function.
9737         * parameters.h (class Parameters): Declare is_compatible_target.
9738         * workqueue.cc (Workqueue::add_blocker): New function.
9739         * workqueue.h (class Workqueue): Declare add_blocker.
9740
9741         * fileread.cc (Input_file::open): Remove options parameter.
9742         Change all callers.
9743         (Input_file::open_binary): Likewise.
9744         * script.cc (read_input_script): Likewise.
9745         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9746         options parameter from constructor.  Change all callers.
9747         (class Read_script): Likewise.
9748         * fileread.h (class Input_file): Update declarations.
9749         * script.h (read_input_script): Update declaration.
9750
9751 2009-03-10  Nick Clifton  <nickc@redhat.com>
9752
9753         * po/es.po: New Spanish translation.
9754
9755 2009-03-06  Cary Coutant  <ccoutant@google.com>
9756
9757         * options.cc (parse_short_option): Keep dash_z from registering itself.
9758
9759 2009-03-03  Ian Lance Taylor  <iant@google.com>
9760
9761         PR 9918
9762         * target-reloc.h (relocate_section): Pass output_section to
9763         relocate.
9764         * i386.cc (Target_i386::should_apply_static_reloc): Add
9765         output_section parameter.  Change all callers.
9766         (Target_i386::Relocate::relocate): Add output_section parameter.
9767         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9768         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9769         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9770         * testsuite/two_file_shared.sh: New script.
9771         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9772         (check_DATA): Add two_file_shared.dbg.
9773         (two_file_shared.dbg): New target.
9774         * testsuite/Makefile.in: Rebuild.
9775
9776 2009-03-01  Ian Lance Taylor  <iant@google.com>
9777
9778         * configure.ac: Check for byteswap.h.
9779         * configure: Rebuild.
9780         * config.in: Rebuild.
9781
9782 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9783
9784         * layout.cc (Layout::find_or_add_kept_section): New function.
9785         (Layout::add_comdat): Removed.
9786         * layout.h (struct Kept_section): Move out of class Layout.
9787         Remove trailing underscores from field names.  Add group_sections
9788         field.  Rename group_ field to is_group.  Change all uses.
9789         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9790         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9791         comdat_groups_ field.
9792         (Sized_relobj::include_section_group): Use
9793         find_or_add_kept_section and Kept_section::group_sections.
9794         (Sized_relobj::include_linkonce_section): Likewise.
9795         * object.cc (class Sized_relobj): Don't define Comdat_group or
9796         Comdat_group_table.  Remove find_comdat_group and
9797         add_comdat_group.  Remove comdat_groups_ field.
9798         * plugin.cc (include_comdat_group): Use
9799         Layout::find_or_add_kept_section.
9800
9801 2009-02-28  Ian Lance Taylor  <iant@google.com>
9802
9803         * README: --gc-sections and map files are now supported.  Document
9804         some build requirements.
9805
9806         PR 6992
9807         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9808         relocatable link set the value of the section symbol to zero.
9809         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9810         relocatable link don't include the section address in the local
9811         symbol value.
9812
9813 2009-02-27  Ian Lance Taylor  <iant@google.com>
9814
9815         PR 6811
9816         * options.h (class Search_directory): Add is_system_directory.
9817         (class General_options): Declare is_in_system_directory.
9818         * options.cc (get_relative_sysroot): Make static.
9819         (get_default_sysroot): Make static.
9820         (General_optoins::is_in_system_directory): New function.
9821         * fileread.cc (Input_file::is_in_system_directory): New function.
9822         * fileread.h (class Input_file): Declare is_in_system_directory.
9823         * object.h (class Object): Add is_in_system_directory.
9824         (class Input_objects): Remove system_library_directory_ field.
9825         * object.cc (Input_objects::add_object): Don't set
9826         system_library_directory_.
9827         (input_objects::found_in_system_library_directory): Remove.
9828         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9829         parameter.  Change all callers.
9830         (Symbol_table::sized_write_globals): Likewise.
9831         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9832         Call Object::is_in_system_directory.
9833         * symtab.h (class Symbol_table): Update declarations.
9834
9835         PR 5990
9836         * descriptors.h (Open_descriptor): Add is_on_stack field.
9837         * descriptors.cc (Descriptors::open): If the descriptor is on the
9838         top of the stack, remove it.  Initialize is_on_stack field.
9839         (Descriptors::release): Only add pod to stack if it is not on the
9840         stack already.
9841         (Descriptors::close_some_descriptor): Clear stack_next and
9842         is_on_stack fields.
9843
9844         PR 7091
9845         * output.cc (Output_section::find_starting_output_address): Rename
9846         from starting_output_address; add PADDR parameter; change return
9847         type.
9848         * output.h (class Output_section): Declare
9849         find_starting_output_address instead of starting_output_address.
9850         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9851         section symbol for which we can't find a merge section.
9852
9853         PR 9836
9854         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9855         hidden or internal, force the symbol to be local.
9856         * resolve.cc (Symbol::override_visibility): Define.
9857         (Symbol::override_base): Use override_visibility.
9858         (Symbol_table::resolve): Likewise.
9859         (Symbol::override_base_with_special): Likewise.
9860         (Symbol_table::override_with_special): If the visibility is hidden
9861         or internal, force the symbol to be local.
9862         * symtab.h (class Symbol): Add set_visibility and
9863         override_visibility.
9864         * testsuite/ver_test_1.sh: New file.
9865         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9866         (check_DATA): Add ver_test_1.syms.
9867         (ver_test_1.syms): New target.
9868         * testsuite/Makefile.in: Rebuild.
9869
9870 2009-02-25  Cary Coutant  <ccoutant@google.com>
9871
9872         * layout.cc (Layout::choose_output_section): Don't rename sections
9873         when using a linker script that has a SECTIONS clause.
9874         * Makefile.in: Regenerate.
9875
9876         * testsuite/Makefile.am (script_test_5.sh): New test case.
9877         * testsuite/Makefile.in: Regenerate.
9878         * testsuite/script_test_5.cc: New file.
9879         * testsuite/script_test_5.sh: New file.
9880         * testsuite/script_test_5.t: New file.
9881
9882 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9883
9884         * archive.cc (Archive::include_member): Update calls to add_symbols.
9885         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9886         the Layout argument.
9887         * dynobj.h (do_add_symbols): Add the Layout argument.
9888         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9889         Layout argument.
9890         * object.h (Object::add_symbols): Add the Layout argument.
9891         (Object::do_add_symbols): Add the Layout argument.
9892         (Sized_relobj::do_add_symbols): Add the Layout argument.
9893         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9894         Unify the two versions.
9895         (Add_plugin_symbols): Remove.
9896         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9897         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9898         (Add_plugin_symbols): Remove.
9899         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9900         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9901         (Add_symbols::run): Make it work with Pulginobj.
9902
9903 2009-02-06  Ian Lance Taylor  <iant@google.com>
9904
9905         * object.cc (Sized_relobj::do_layout): Make info message start
9906         with lower case letter.
9907
9908 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9909
9910         * binary.cc: Fix file comment.
9911
9912         * options.h (enum Incremental_disposition): Define.
9913         (class General_options): Add new options: --incremental,
9914         --incremental_changed, --incremental_unchanged,
9915         --incremental_unknown.  Add incremental_disposition_ and
9916         implicit_incremental_ fields.
9917         (General_options::incremental_disposition): New function.
9918         (class Position_dependent_options): Add incremental_disposition
9919         option.
9920         (Position_dependent_options::copy_from_options): Set incremental
9921         dispositions.
9922         * options.cc (General_options::parse_incremental_changed): New
9923         function.
9924         (General_options::parse_incremental_unchanged): New function.
9925         (General_options::parse_incremental_unknown): New function.
9926         (General_options::General_options): Initialize new fields
9927         incremental_disposition_ and implicit_incremental_.
9928         (General_options::finalize): Check for uasge of --incremental-*
9929         without --incremental.
9930
9931 2009-02-06  Chris Demetriou  <cgd@google.com>
9932
9933         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9934         pointer and to report location as the file name associated with
9935         the symbol.
9936         (gold_undefined_symbol_at_location): New function to replace the
9937         old gold_undefined_symbol functionality.
9938         * target-reloc.h (relocate_section): Update to use
9939         gold_undefined_symbol_at_location.
9940         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9941         Call gold_undefined_symbol function rather than gold_error.
9942         * errors.h (Errors::undefined_symbol): Take location as a
9943         string, rather than calculating it from a relocation.
9944         * errors.cc (Errors::fatal): Print "fatal error:" before the
9945         formatted message.
9946         (Errors::error, Errors::error_at_location): Print "error: "
9947         before the formatted message.
9948         (Errors::undefined_symbol): Take location as a string, rather
9949         than calculating it from a relocation.
9950         (gold_undefined_symbol_at_location): New function akin to
9951         old gold_undefined_symbol, calculates location from relocation.
9952         (gold_undefined_symbol): Change to take only a Symbol pointer
9953         and to report location as the file name associated with the symbol.
9954         * testsuite/debug_msg.sh: Update for changed error messages.
9955         * testsuite/undef_symbol.sh: Likewise.
9956
9957 2009-02-04  Duncan Sands  <baldrick@free.fr>
9958
9959         PR 9812
9960         * reduced_debug_output.h
9961         (Output_reduced_debug_abbrev_section::failed): Use format for
9962         gold_warning.
9963         (Output_reduced_debug_info_section::faild): Likewise.
9964
9965 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9966
9967         * script.cc (Lazy_demangler): New class.
9968         (Version_script_info::get_symbol_version_helper): Demangle a
9969         symbol only once.
9970
9971 2009-01-29  Cary Coutant  <ccoutant@google.com>
9972
9973         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9974         to __tls_get_addr.
9975         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9976
9977 2009-01-28  Ian Lance Taylor  <iant@google.com>
9978
9979         * version.cc (version_string): Bump to 1.9.
9980
9981         * gold.h: Include <cstring> and <stdint.h>.
9982         * version.cc: Include <cstdio>.
9983         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9984         warning.
9985         * reduced_debug_output.cc (insert_into_vector): Rename from
9986         Insert_into_vector; change all callers.  Use Swap_unaligned to
9987         avoid aliasing issue; remove union since it is unnecessary.
9988
9989 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9990
9991         * Makefile.am (CCFILES): Add gc.cc.
9992         (HFILES): Add gc.h.
9993         * Makefile.in: Regenerate.
9994         * gold.cc (Gc_runner): New class.
9995         (queue_initial_tasks): Call garbage collection related tasks
9996         when corresponding options are invoked.
9997         (queue_middle_gc_tasks): New function.
9998         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9999         processed early before laying out sections during garbage collection.
10000         * gold.h (queue_middle_gc_tasks): New function.
10001         (is_prefix_of): Move from "layout.cc".
10002         * i386.cc (Target_i386::gc_process_relocs): New function.
10003         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10004         * main.cc (main): Create object of class "Garbage_collection".
10005         * object.cc (Relobj::copy_symbols_data): New function.
10006         (Relobj::is_section_name_included): New function.
10007         (Sized_relobj::do_layout): Allow this function to be called twice
10008         during garbage collection and defer layout of section during the
10009         first call.
10010         * object.h (Relobj::get_symbols_data): New function.
10011         (Relobj::is_section_name_included): New function.
10012         (Relobj::copy_symbols_data): New function.
10013         (Relobj::set_symbols_data): New function.
10014         (Relobj::get_relocs_data): New function.
10015         (Relobj::set_relocs_data): New function.
10016         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10017         (Relobj::gc_process_relocs): New function.
10018         (Relobj::do_gc_process_relocs): New pure virtual function.
10019         (Relobj::sd_): New data member.
10020         (Sized_relobj::is_output_section_offset_invalid): New function.
10021         (Sized_relobj::do_gc_process_relocs): New function.
10022         * options.h (General_options::gc_sections): Modify to not be a no-op.
10023         (General_options::print_gc_sections): New option.
10024         * plugin.cc (Plugin_finish::run): Remove function call to
10025         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10026         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10027         * reloc.cc (Read_relocs::run): Add task to process relocs and
10028         determine unreferenced sections when doing garbage collection.
10029         (Gc_process_relocs): New class.
10030         (Sized_relobj::do_gc_process_relocs): New function.
10031         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10032         sections that are garbage collected.
10033         * reloc.h (Gc_process_relocs): New class.
10034         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10035         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10036         symbols whose corresponding sections are garbage collected.
10037         (Symbol_table::Symbol_table): Add new parameter for the garbage
10038         collection object.
10039         (Symbol_table::gc_mark_undef_symbols): New function.
10040         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10041         (Symbol_table::gc_mark_dyn_syms): New function.
10042         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10043         as garbage.
10044         (Symbol_table::add_from_object): Likewise.
10045         (Symbol_table::add_from_relobj): When building shared objects, do not
10046         treat externally visible symbols as garbage.
10047         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10048         table information for static and relocatable links.
10049         * symtab.h (Symbol_table::set_gc): New function.
10050         (Symbol_table::gc): New function.
10051         (Symbol_table::gc_mark_undef_symbols): New function.
10052         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10053         (Symbol_table::gc_mark_dyn_syms): New function.
10054         (Symbol_table::gc_): New data member.
10055         * target.h (Sized_target::gc_process_relocs): New pure virtual
10056         function.
10057         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10058         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10059
10060 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10061
10062         * options.h (General_options::gc_sections): Define as a no-op for now.
10063         (General_options::no_keep_memory): Ditto.
10064         (General_options::Bshareable): Define.
10065         * options.cc (General_options::finalize): Honor -Bshareable.
10066
10067 2009-01-20  Andreas Schwab  <schwab@suse.de>
10068
10069         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10070         read the value in the contents, since we don't use it.  Use the
10071         template endianness when writing.
10072         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10073
10074 2009-01-19  Andreas Schwab  <schwab@suse.de>
10075
10076         * configure.tgt (powerpc64-*): Fix targ_obj.
10077
10078 2009-01-15  Ian Lance Taylor  <iant@google.com>
10079
10080         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10081         local symbols when stripping all symbols.
10082
10083 2009-01-14  Cary Coutant  <ccoutant@google.com>
10084
10085         * output.cc (Output_reloc): Add explicit instantiations.
10086
10087 2009-01-14  Cary Coutant  <ccoutant@google.com>
10088
10089         * archive.cc (Archive::get_elf_object_for_member): Remove call
10090         to File_read::claim_for_plugin.
10091         * descriptors.cc (Descriptors::open): Remove reference to
10092         is_claimed.
10093         (Descriptors::claim_for_plugin): Remove.
10094         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10095         (Descriptors::is_claimed): Remove.
10096         (claim_descriptor_for_plugin): Remove.
10097         * fileread.cc (File_read::claim_for_plugin): Remove.
10098         * fileread.h (File_read::claim_for_plugin): Remove.
10099         (File_read::descriptor): Reopen descriptor if necessary.
10100         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10101         (Plugin_manager::all_symbols_read): Add task parameter. Change
10102         all callers.
10103         (Plugin_manager::get_input_file): New function.
10104         (Plugin_manager::release_input_file): New function.
10105         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10106         corresponding data member.
10107         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10108         and pass to base constructor. Change all callers.
10109         (get_input_file, release_input_file): New functions.
10110         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10111         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10112         (Plugin_manager::all_symbols_read): Add task parameter.
10113         (Plugin_manager::get_input_file): New function.
10114         (Plugin_manager::release_input_file): New function.
10115         (Plugin_manager::task_): New data member.
10116         (Pluginobj::Pluginobj): Add filesize parameter.
10117         (Pluginobj::filename): New function.
10118         (Pluginobj::descriptor): New function.
10119         (Pluginobj::filesize): New function.
10120         (Pluginobj::filesize_): New data member.
10121         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10122         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10123         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10124
10125         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10126         with archive libraries.
10127         * testsuite/Makefile.in: Regenerate.
10128         * testsuite/plugin_test.c (struct sym_info): New type.
10129         (get_input_file, release_input_file): New static variables.
10130         (onload): Capture new transfer vector entries.
10131         (claim_file_hook): Stop reading at end of file according to filesize.
10132         Factor out parsing of readelf output into separate function.
10133         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10134         APIs and get the source file name from the symbol table.  Convert
10135         source file name to corresponding object file name.  Print info
10136         message when adding new input files.
10137         (parse_readelf_line): New function.
10138         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10139         * testsuite/plugin_test_2.sh: Likewise.
10140         * testsuite/plugin_test_3.sh: Likewise.
10141         * testsuite/plugin_test_4.sh: New test case.
10142
10143 2009-01-07  Ian Lance Taylor  <iant@google.com>
10144
10145         * version.cc (version_string): Bump to 1.8.
10146
10147 2008-12-23  Cary Coutant  <ccoutant@google.com>
10148
10149         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10150         * plugin.cc (Plugin_manager::finish): Rename as
10151         layout_deferred_objects.  Move cleanup to separate function.
10152         (Plugin_manager::cleanup): New function.
10153         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10154         separately.
10155         * plugin.h (Plugin_manager::finish): Rename as
10156         layout_deferred_objects.
10157         (Plugin_manager::cleanup): New function.
10158         (Plugin_manager::cleanup_done): New field.
10159
10160 2008-12-23  Cary Coutant  <ccoutant@google.com>
10161
10162         * plugin.cc (is_visible_from_outside): New function.
10163         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10164         so we don't return "IR only" status for exported symbols or -r links.
10165
10166         * testsuite/Makefile.am (plugin_test_3): New test case.
10167         * testsuite/Makefile.in: Regenerate.
10168         * testsuite/plugin_test_3.sh: New file.
10169
10170 2008-12-22  Cary Coutant  <ccoutant@google.com>
10171
10172         * object.cc (Sized_relobj::layout_section): New function.
10173         (Sized_relobj::do_layout): Defer layout of input sections until after
10174         plugin has provided replacement files.
10175         (Sized_relobj::do_layout_deferred_sections): New function.
10176         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10177         (Relobj::layout_deferred_sections): New function.
10178         (Relobj::do_layout_deferred_sections): New function.
10179         (Sized_relobj::do_layout_deferred_sections): New function.
10180         (Sized_relobj::layout_section): New function.
10181         (Sized_relobj::Deferred_layout): New structure.
10182         (Sized_relobj::deferred_layout_): New field.
10183         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10184         Change all callers.  Layout deferred sections.
10185         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10186         references.
10187         (Plugin_hook::run): Move code from do_plugin_hook inline.
10188         (Plugin_hook::do_plugin_hook): Remove.
10189         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10190         (Plugin_manager::finish): Renamed, was cleanup.
10191         (Plugin_manager::should_defer_layout): New function.
10192         (Plugin_manager::add_deferred_layout_object): New function.
10193         (Plugin_manager::Deferred_layout_list): New type.
10194         (Plugin_manager::deferred_layout_objects_): New field.
10195         (Plugin_hook::do_plugin_hook): Remove.
10196
10197 2008-12-17  Ian Lance Taylor  <iant@google.com>
10198
10199         * options.h (class General_options): Add --no case for
10200         --export-dynamic.
10201
10202 2008-12-16  Cary Coutant  <ccoutant@google.com>
10203
10204         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10205         vector.
10206         (Plugin_manager::claim_file): Create plugin object even if
10207         plugin did not call the add_symbols callback.
10208         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10209         asking for more symbols than were added.
10210         * testsuite/Makefile.am (plugin_test_1): Add test case with
10211         no global symbols.
10212         (empty.syms): New target.
10213         * testsuite/Makefile.in: Regenerate.
10214         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10215         message. Don't call add_symbols if no globals.
10216         (all_symbols_read_hook): Don't provide replacement for empty
10217         claimed file.
10218
10219 2008-12-12  Ian Lance Taylor  <iant@google.com>
10220
10221         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10222         r_type == 0 for a local symbol with r_sym == 0.
10223         (scan_relocatable_relocs): Pass r_sym to
10224         local_non_section_strategy.
10225         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10226         r_sym parameter.
10227
10228         * configure.ac: Update test for TLS descriptors: they are
10229         supported as of glibc 2.9.
10230         * configure: Rebuild.
10231
10232 2008-12-11  Ian Lance Taylor  <iant@google.com>
10233
10234         PR 7091
10235         * target-reloc.h (Default_scan_relocatable_relocs): For each
10236         function, map r_type == 0 to RELOC_DISCARD.
10237
10238 2008-12-10  Cary Coutant  <ccoutant@google.com>
10239
10240         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10241         object to override a kept COMDAT group from a plugin object.
10242
10243 2008-12-09  Ian Lance Taylor  <iant@google.com>
10244
10245         PR 7088
10246         * yyscript.y (file_cmd): Handle INPUT.
10247
10248         * testsuite/initpri1.c: Change all declarations to be full
10249         prototypes by adding void, to avoid compiler warnings.
10250
10251 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10252
10253         * options.cc (General_options::parse_plugin_opt): New.
10254         (General_options::add_plugin): The argument now is just the filename.
10255         (General_options::add_plugin_option): New.
10256         * options.h (plugin_opt): New.
10257         (add_plugin): Change argument name.
10258         (add_plugin_option): New.
10259         * plugin.cc (Plugin::load): Don't parse the plugin option.
10260         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10261         (Plugin::add_option): New.
10262         (Plugin::args_): Change type.
10263         (Plugin::filename_): New.
10264         (Plugin_manager::add_plugin_option): New.
10265         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10266         * testsuite/Makefile.in: Regenerate.
10267
10268 2008-12-05  Cary Coutant  <ccoutant@google.com>
10269
10270         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10271         Handle --strip-lto-sections option.
10272         * options.h (strip_lto_sections): New option.
10273
10274 2008-12-01  Cary Coutant  <ccoutant@google.com>
10275
10276         * plugin.cc (ld_plugin_message): Change format parameter to const.
10277         Fix mismatch between new[] and delete.
10278
10279 2008-11-14  Cary Coutant  <ccoutant@google.com>
10280
10281         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10282         instead of -1U.
10283
10284 2008-11-05  Craig Silverstein  <csilvers@google.com>
10285
10286         * options.cc (General_options::parse_dynamic_list): New function.
10287         * options.h (General_options): New flags dynamic_list,
10288         dynamic_list_data, dynamic_list_cpp_new, and
10289         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10290         (General_options::in_dynamic_list): New function.
10291         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10292         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10293         (Lex::can_continue_name): Likewise.
10294         (yylex): Likewise.
10295         (read_script_file): New parameter script_options.
10296         (read_dynamic_list): New function.
10297         (Script_options::define_dynamic_list): New function.
10298         (dynamic_list_keyword_parsecodes): New variable.
10299         (dynamic_list_keywords): New variable.
10300         * script.h (Script_options::define_dynamic_list): New function
10301         prototype.
10302         (read_dynamic_list): New function prototype.
10303         * symtab.cc (strprefix): New macro.
10304         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10305         dynamic_list_data, dynamic_list_cpp_new, and
10306         dynamic_list_cpp_typeinfo.
10307         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10308         (dynamic_list_expr): New rule.
10309         (dynamic_list_nodes): Likewise.
10310         (dynamic_list_node): Likewise.
10311         * testsuite/Makefile.am (dynamic_list): New test.
10312         * testsuite/Makefile.in: Regenerated.
10313         * testsuite/dynamic_list.t: New file.
10314         * testsuite/dynamic_list.sh: New file.
10315
10316 2008-11-05  Craig Silverstein  <csilvers@google.com>
10317
10318         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10319         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10320         (t11_last): Likewise.
10321         * testsuite/ver_test_6.c (main): Likewise.
10322
10323 2008-10-07  Cary Coutant  <ccoutant@google.com>
10324
10325         * options.c (General_options::finalize): Add check for -static and
10326         -shared.
10327         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10328         is not empty.
10329
10330 2008-10-02  Cary Coutant  <ccoutant@google.com>
10331
10332         * plugin.cc (make_sized_plugin_object): Fix conditional
10333         compilation to work when not all targets are enabled.
10334
10335 2008-09-29  Cary Coutant  <ccoutant@google.com>
10336
10337         * archive.cc (Archive::get_file_and_offset): Use filename instead
10338         of name to get library path.
10339         (Archive::include_member): Unlock external member of a thin archive.
10340
10341         * testsuite/Makefile.am (TEST_AR): New variable.
10342         (thin_archive_test_1): New test.
10343         (thin_archive_test_2): New test.
10344         * testsuite/Makefile.in: Regenerate.
10345         * testsuite/thin_archive_main.cc: New file.
10346         * testsuite/thin_archive_test_1.cc: New file.
10347         * testsuite/thin_archive_test_2.cc: New file.
10348         * testsuite/thin_archive_test_3.cc: New file.
10349         * testsuite/thin_archive_test_4.cc: New file.
10350
10351 2008-09-29  Cary Coutant  <ccoutant@google.com>
10352
10353         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10354         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10355         instead of -1U.
10356         (Sized_relobj::do_finalize_local_symbols): Likewise.
10357         (Sized_relobj::map_to_kept_section): Likewise.
10358         * object.h (Sized_relobj::invalid_address): New constant.
10359         (Sized_relobj::do_output_section_offset): Check for invalid_address
10360         and return -1ULL.
10361         * output.cc (Output_reloc::local_section_offset): Use constant
10362         invalid_address instead of -1U.
10363         (Output_reloc::get_address): Likewise.
10364         (Output_section::output_address): Change -1U to -1ULL.
10365         * output.h (Output_reloc::invalid_address): New constant.
10366         * reloc.cc (Sized_relobj::write_sections): Use constant
10367         invalid_address instead of -1U.
10368         (Sized_relobj::relocate_sections): Likewise.
10369         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10370         values for merge sections.
10371         * target-reloc.h (relocate_for_relocatable): Use constant
10372         invalid_address instead of -1U.
10373
10374 2008-09-19  Cary Coutant  <ccoutant@google.com>
10375
10376         Add plugin functionality for link-time optimization (LTO).
10377         * configure.ac (plugins): Add --enable-plugins option.
10378         * configure: Regenerate.
10379         * config.in: Regenerate.
10380         * Makefile.am (LIBDL): New variable.
10381         (CCFILES): Add plugin.cc.
10382         (HFILES): Add plugin.h.
10383         (ldadd_var): Add LIBDL.
10384         * Makefile.in: Regenerate.
10385
10386         * archive.cc: Include "plugin.h".
10387         (Archive::setup): Don't preread archive symbols when using a plugin.
10388         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10389         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10390         files.
10391         (Archive::include_member): Add symbols from plugin objects.
10392         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10393         * descriptors.cc (Descriptors::open): Check for file descriptors
10394         abandoned by plugins.
10395         (Descriptors::claim_for_plugin): New function.
10396         * descriptors.h (Descriptors::claim_for_plugin): New function.
10397         (Open_descriptor::is_claimed): New field.
10398         (claim_descriptor_for_plugin): New function.
10399         * fileread.cc (File_read::claim_for_plugin): New function.
10400         * fileread.h (File_read::claim_for_plugin): New function.
10401         (File_read::descriptor): New function.
10402         * gold.cc: Include "plugin.h".
10403         (queue_initial_tasks): Add task to call plugin hooks for generating
10404         new object files.
10405         * main.cc: Include "plugin.h".
10406         (main): Load plugin libraries.
10407         * object.h (Pluginobj): Declare.
10408         (Object::pluginobj): New function.
10409         (Object::do_pluginobj): New function.
10410         (Object::set_target): New function.
10411         * options.cc: Include "plugin.h".
10412         (General_options::parse_plugin): New function.
10413         (General_options::General_options): Initialize plugins_ field.
10414         (General_options::add_plugin): New function.
10415         * options.h (Plugin_manager): Declare.
10416         (General_options): Add --plugin option.
10417         (General_options::has_plugins): New function.
10418         (General_options::plugins): New function.
10419         (General_options::add_plugin): New function.
10420         (General_options::plugins_): New field.
10421         * plugin.cc: New file.
10422         * plugin.h: New file.
10423         * readsyms.cc: Include "plugin.h".
10424         (Read_symbols::do_read_symbols): Check for archive before checking
10425         for ELF file.  Call plugin hooks to claim files.
10426         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10427         from a real object file; force override when processing replacement
10428         files.
10429         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10430         (Symbol::init_base_object): Likewise.
10431         (Symbol::init_base_output_data): Likewise.
10432         (Symbol::init_base_output_segment): Likewise.
10433         (Symbol::init_base_constant): Likewise.
10434         (Symbol::init_base_undefined): Likewise.
10435         (Symbol::output_section): Assert that object is not a plugin.
10436         (Symbol_table::add_from_pluginobj): New function.
10437         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10438         undefined.
10439         (Symbol_table::sized_write_globals): Likewise.
10440         (Symbol_table::add_from_pluginobj): Instantiate template.
10441         * symtab.h (Sized_pluginobj): Declare.
10442         (Symbol::in_real_elf): New function.
10443         (Symbol::set_in_real_elf): New function.
10444         (Symbol::in_real_elf_): New field.
10445         (Symbol_table::add_from_pluginobj): New function.
10446
10447         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10448         (LIBDL): New variable.
10449         (LDADD): Add LIBDL.
10450         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10451         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10452         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10453         (MOSTLYCLEANFILES): Likewise.
10454         * testsuite/Makefile.in: Regenerate.
10455         * testsuite/plugin_test.c: New file.
10456         * testsuite/plugin_test_1.sh: New file.
10457         * testsuite/plugin_test_2.sh: New file.
10458
10459 2008-09-16  Ian Lance Taylor  <iant@google.com>
10460
10461         * target-reloc.h (relocate_section): Check whether a symbol is
10462         defined by the ABI before reporting an undefined symbol error.
10463         * target.h (Target::is_defined_by_abi): Make parameter const.
10464         (Target::do_is_defined_by_abi): Likewise.
10465         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10466         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10467         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10468         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10469         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10470         * testsuite/Makefile.in: Rebuild.
10471
10472         * fileread.cc (make_view): Add casts to avoid warning.
10473
10474 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10475
10476         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10477         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10478
10479 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10480
10481         * options.h (General_options::output_is_executable): New.
10482         (General_options::output_is_pie): New.
10483         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10484         for shared libraries.
10485         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10486
10487 2008-09-11  Chris Demetriou  <cgd@google.com>
10488
10489         * options.h (origin): New -z option.
10490         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10491         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10492         in DT_FLAGS_1.
10493
10494 2008-09-05  Cary Coutant  <ccoutant@google.com>
10495
10496         * fileread.cc (File_read::make_view): Add check for attempt to map
10497         beyond end of file.
10498
10499 2008-09-05  Cary Coutant  <ccoutant@google.com>
10500
10501         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10502         explicit instantiations.
10503
10504 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10505
10506         PR gold/6858
10507         * options.cc (General_options::finalize): Allow undefined symbols
10508         in shlibs if linking -shared.
10509
10510         PR gold/6859
10511         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10512         symbols as not needing a dynsym entry.
10513
10514 2008-08-20  Craig Silverstein  <csilvers@google.com>
10515
10516         * fileread.cc (File_read::open): Do not lock the file unless it
10517         was successfully opened.
10518
10519 2008-08-14  Cary Coutant  <ccoutant@google.com>
10520
10521         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10522         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10523         * testsuite/tls_test.cc (struct int128): 128-bit struct
10524         for testing TLS relocs with non-zero addend.
10525         (v12): New TLS variable.
10526         (t12): New test.
10527         (t_last): Add check for v12.
10528         * testsuite/tls_test.h (t12): New function.
10529         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10530
10531 2008-08-13  Ian Lance Taylor  <iant@google.com>
10532
10533         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10534         set tls_segment_ or relro_segment_.
10535         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10536         when appropriate.
10537         * output.h (Output_section::clear_is_relro): New function.
10538         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10539         sections specially even when output_data_ is empty.
10540         (Output_segment::maximum_alignment): When first section is relro,
10541         only force alignment for PT_LOAD segments.
10542         * script.cc (script_data_segment_align): New function.
10543         (script_data_segment_relro_end): New function.
10544         * script-c.h (script_data_segment_align): Declare.
10545         (script_data_segment_relro_end): Declare.
10546         * script-sections.h (class Script_sections): Declare
10547         data_segment_align and data_segment_relro_end.  Add fields
10548         segment_align_index_ and saw_relro_end_.
10549         * script-sections.cc (class Sections_element): Add set_is_relro
10550         virtual function.  Add new bool* parameter to place_orphan_here.
10551         Add get_output_section virtual function.
10552         (class Output_section_definition): Add set_is_relro.  Add new
10553         bool* parameter to place_orphan_here.  Add get_output_section.
10554         Add is_relro_ field.
10555         (Output_section_definition::Output_section_definition): Initialize
10556         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10557         and is_relro_ fields.
10558         (Output_section_definition::place_orphan_here): Add is_relro
10559         parameter.
10560         (Output_section_definition::set_section_addresses): Set relro for
10561         output section.
10562         (Output_section_definition::alternate_constraint): Likewise.
10563         (class Orphan_output_section): Add new bool* parameter to
10564         place_orphan_here.  Add get_output_section.
10565         (Orphan_output_section::place_orphan_here): Add is_relro
10566         parameter.
10567         (Script_sections::Script_sections): Initialize
10568         data_segment_align_index_ and saw_relro_end_.
10569         (Script_sections::data_segment_align): New function.
10570         (Script_sections::data_segment_relro_end): New function.
10571         (Script_sections::place_orphan): Set or clear is_relro.
10572         (Script_sections::set_section_addresses): Force alignment of first
10573         TLS section.
10574         * yyscript.y (exp): Call script_data_segment_align and
10575         script_data_segment_relro_end.
10576         * testsuite/relro_script_test.t: New file.
10577         * testsuite/relro_test.cc (using_script): Declare.
10578         (t1, t2): Test using_script.
10579         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10580         (relro_script_test_SOURCES): Define.
10581         (relro_script_test_DEPENDENCIES): Define.
10582         (relro_script_test_LDFLAGS): Define.
10583         (relro_script_test_LDADD): Define.
10584         (relro_script_test.so): New target.
10585         * testsuite/Makefile.in: Rebuild.
10586
10587 2008-08-06  Cary Coutant <ccoutant@google.com>
10588
10589         * archive.cc (Archive::total_archives, Archive::total_members)
10590         (Archive::total_members_loaded): New variables.
10591         (Archive::setup): Add parameter.  Add option to preread
10592         archive symbols.
10593         (Archive::read_armap): Add counter.
10594         (Archive::get_file_and_offset): New function.
10595         (Archive::get_elf_object_for_member): New function.
10596         (Archive::read_all_symbols): New function.
10597         (Archive::read_symbols): New function.
10598         (Archive::add_symbols): Add counters.
10599         (Archive::include_all_members): Use armap to find members if it's
10600         already built.
10601         (Archive::include_member): Skip reading symbols if already read.
10602         Factored code into Archive::get_file_and_offset and
10603         Archive::get_elf_object_for_member.  Changed call to
10604         Mapfile::report_include_archive_member.
10605         (Archive::print_stats): New function.
10606         * archive.h: Declare Object and Read_symbols_data classes.
10607         (Archive::Archive): Add initializers for new members.
10608         (Archive::setup): Add parameter.
10609         (Archive::print_stats): New function.
10610         (Archive::total_archives, Archive::total_members)
10611         (Archive::total_members_loaded): New variables.
10612         (Archive::get_file_and_offset): New function.
10613         (Archive::get_elf_object_for_member): New function.
10614         (Archive::read_all_symbols): New function.
10615         (Archive::read_symbols): New function.
10616         (Archive::Archive_member): New class.
10617         (Archive::members_): New member.
10618         (Archive::num_members_): New member.
10619         * main.cc: Include archive.h.
10620         (main): Call Archive::print_stats.
10621         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10622         archive parameter; member_name is now the fully-decorated name.
10623         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10624         * options.h: (General_options): Add --preread-archive-symbols option.
10625         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10626         Archive::setup.
10627
10628 2008-08-04  Ian Lance Taylor  <iant@google.com>
10629
10630         * symtab.h (Symbol::use_plt_offset): New function.
10631         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10632         * powerpc.cc (Relocate::relocate): Likewise.
10633         * sparc.cc (Relocate::relocate): Likewise.
10634         * x86_64.cc (Relocate::relocate): Likewise.
10635         * testsuite/weak_plt.sh: New test.
10636         * testsuite/weak_plt_main.cc: New test.
10637         * testsuite/weak_plt_shared.cc: New test.
10638         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10639         (check_PROGRAMS): Add weak_plt.
10640         (check_DATA): Add weak_plt_shared.so.
10641         (weak_plt_main_pic.o, weak_plt): New targets.
10642         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10643         * testsuite/Makefile.in: Rebuild.
10644
10645         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10646         gcctestdir/ld.
10647         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10648         * testsuite/Makefile.in: Rebuild.
10649
10650 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10651
10652         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10653         * Makefile.in: Regenerate.
10654         * po/POTFILES.in: Regenerate.
10655
10656 2008-07-29  Ian Lance Taylor  <iant@google.com>
10657
10658         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10659         symbols before other symbols.
10660         * testsuite/script_test_2.cc (test_addr): Declare.
10661         (test_addr_alias): Declare.
10662         (main): Check that test_addr and test_addr_alias have the right
10663         values.
10664         * testsuite/script_test_2.t: Define test_addr_alias and
10665         test_addr.
10666
10667 2008-07-24  Ian Lance Taylor  <iant@google.com>
10668
10669         PR 5990
10670         * descriptors.cc: New file.
10671         * descriptors.h: New file.
10672         * gold-threads.h (class Hold_optional_lock): New class.
10673         * fileread.cc: Include "descriptors.h".
10674         (File_read::~File_read): Release descriptor rather than closing
10675         it.
10676         (File_read::open) [file]: Call open_descriptor rather than open.
10677         Set is_descriptor_opened_.
10678         (File_read::open) [memory]: Assert that descriptor is not open.
10679         (File_read::reopen_descriptor): New function.
10680         (File_read::release): Release descriptor.
10681         (File_read::do_read): Make non-const.  Reopen descriptor.
10682         (File_read::read): Make non-const.
10683         (File_read::make_view): Reopen descriptor.
10684         (File_read::do_readv): Likewise.
10685         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10686         Update declarations.
10687         * layout.cc: Include "descriptors.h".
10688         (Layout::create_build_id): Use open_descriptor rather than open.
10689         * output.cc: Include "descriptors.h".
10690         (Output_file::open): Use open_descriptor rather than open.
10691         * archive.cc (Archive::const_iterator): Change Archive to be
10692         non-const.
10693         (Archive::begin, Archive::end): Make non-const.
10694         (Archive::count_members): Likewise.
10695         * archive.h (class Archive): Update declarations.
10696         * object.h (Object::read): Make non-const.
10697         * Makefile.am (CCFILES): Add descriptors.cc.
10698         (HFILES): Add descriptors.h.
10699         * Makefile.in: Rebuild.
10700
10701         PR 6716
10702         * gold.h: Always include <clocale>.  Add Solaris workarounds
10703         following code in binutils/sysdep.h.
10704
10705         PR 6048
10706         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10707         this->eh_frame_hdr_ is NULL before using it.
10708
10709         * dynobj.cc (Versions::Versions): Update comment.
10710
10711         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10712         the base version name.
10713
10714         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10715         array size plus one.
10716         (Stringpool_template::set_string_offsets): Subtract one from key
10717         before using it as an array index.
10718         (Stringpool_template::get_offset_with_length): Likewise.
10719         (Stringpool_template::write_to_buffer): Likewise.
10720         * stringpool.h (Stringpool_template::get_offset_from_key):
10721         Likewise.
10722
10723 2008-07-23  Ian Lance Taylor  <iant@google.com>
10724
10725         PR 6658
10726         * object.h (Merged_symbol_value::value): Do our best to handle a
10727         negative addend.
10728
10729         PR 6647
10730         * script.cc (Version_script_info::get_versions): Don't add empty
10731         version tag to return value.
10732         (Version_script_info::get_symbol_version_helper): Change return
10733         type to bool.  Add pversion parameter.  Change all callers.
10734         (script_register_vers_node): Don't require a non-NULL tag.
10735         * script.h (class Version_script_info): Update declarations.
10736         (Version_script_info::get_symbol_version): Change return type to
10737         bool.  Add version parameter.  Change all callers.
10738         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10739         handling.  Handle an empty version from a version script.
10740         (Symbol_table::define_special_symbol): Likewise.
10741         * testsuite/ver_test_10.script: New file.
10742         * testsuite/ver_test_10.sh: New file.
10743         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10744         (check_DATA): Add ver_test_10.syms.
10745         (ver_test_10.syms, ver_test_10.so): New target.
10746         * testsuite/Makefile.in: Rebuild.
10747
10748 2008-07-23  Simon Baldwin  <simonb@google.com>
10749
10750         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10751         to zero for undefined symbols from dynamic libraries.
10752
10753 2008-07-23  Ian Lance Taylor  <iant@google.com>
10754
10755         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10756         Change all callers.
10757         * symtab.h (class Symbol_table): Update declaration.
10758         * testsuite/ver_test_9.cc: New file.
10759         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10760         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10761         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10762         (ver_test_9.so, ver_test_9.o): New targets.
10763         * testsuite/Makefile.in: Rebuild.
10764
10765 2008-07-22  Ian Lance Taylor  <iant@google.com>
10766
10767         * options.h (class General_options): Define --check-sections.
10768         * layout.cc (Layout::set_segment_offsets): Handle
10769         --check-sections.
10770
10771         * options.h (class General_options): Define -n/--nmagic and
10772         -N/--omagic.
10773         * options.cc (General_options::finalize): For -n/--nmagic or
10774         -N/--omagic, set -static.
10775         * layout.cc (Layout::attach_allocated_section_to_segment): If
10776         -N/--omagic, don't put read-only and read-write sections in
10777         different segments.
10778         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10779         finding a read-only segment.
10780         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10781         don't set the minimum segment alignment to the common page size,
10782         and don't set the file offset to the address modulo the page size.
10783         * script-sections.cc (Script_sections::create_segments): If
10784         -n/--omagic, don't put read-only and read-write sections in
10785         different segments.
10786
10787         * cref.cc: New file.
10788         * cref.h: New file.
10789         * options.h (class General_options): Add --print-symbol-counts.
10790         * main.cc (main): Issue defined symbol report if requested.
10791         * archive.cc (Archive::interpret_header): Make into a const member
10792         function.
10793         (Archive::add_symbols): Call Input_objects::archive_start and
10794         archive_stop.
10795         (Archive::const_iterator): Define new class.
10796         (Archive::begin, Archive::end): New functions.
10797         (Archive::include_all_members): Rewrite to use iterator.
10798         (Archive::count_members): New function.
10799         * archive.h (class Archive): Update declarations.
10800         (Archive::filename): New function.
10801         * object.cc: Include "cref.h".
10802         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10803         (Sized_relobj::do_get_global_symbol_counts): New function.
10804         (Input_objects::add_object): Add object to cross-referencer.
10805         (Input_objects::archive_start): New function.
10806         (Input_objects::archive_stop): New function.
10807         (Input_objects::print_symbol_counts): New function.
10808         * object.h: Declare Cref and Archive.
10809         (Object::get_global_symbol_counts): New function.
10810         (Object::do_get_global_symbol_counts): New pure virtual function.
10811         (class Sized_relobj): Add defined_count_ field.  Update
10812         declarations.
10813         (class Input_objects): Add cref_ field.  Update constructor.
10814         Update declarations.
10815         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10816         defined_count_.
10817         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10818         symbol counts.
10819         (Sized_dynobj::do_get_global_symbol_counts): New function.
10820         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10821         defined_count_.  Update declarations.  Define Symbols typedef.
10822         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10823         parameter.  Change all callers.
10824         (Symbol_table::add_from_dynobj): Add sympointers and defined
10825         parameters.  Change all callers.
10826         * symtab.h (class Symbol_table): Update declarations.
10827         * Makefile.am (CCFILES): Add cref.cc.
10828         (HFILES): Add cref.h.
10829         * Makefile.in: Rebuild.
10830
10831 2008-07-22  Simon Baldwin  <simonb@google.com>
10832
10833         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10834         to zero when writing undefined symbols.
10835
10836 2008-07-22  Ian Lance Taylor  <iant@google.com>
10837
10838         * output.cc (Output_section::add_input_section): Don't try to
10839         merge empty merge sections.
10840
10841 2008-07-21  Craig Silverstein  <csilvers@google.com>
10842
10843         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10844         Include symbol version in error message.
10845
10846 2008-07-20  Chris Demetriou  <cgd@google.com>
10847
10848         * configure.ac (gold_cv_c_random_seed): New configured variable.
10849         (RANDOM_SEED_CFLAGS): New substituted variable.
10850         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10851         * configure: Rebuild.
10852         * Makefile.in: Likewise.
10853         * testsuite/Makefile.in: Likewise.
10854
10855 2008-07-18  Ian Lance Taylor  <iant@google.com>
10856
10857         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10858         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10859         * testsuite/ver_test_main.cc (main): Call t4.
10860         (t4, t4_2a): Define.
10861         * testsuite/ver_test_2.cc (t4_2): Define.
10862         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10863         * testsuite/ver_test_4.cc (t4_2a): Define.
10864         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10865         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10866
10867 2008-07-17  Ian Lance Taylor  <iant@google.com>
10868
10869         * dynobj.cc (Versions::add_def): If we give an error about a
10870         missing version, go ahead and create the version anyhow.
10871
10872 2008-07-10  Ian Lance Taylor  <iant@google.com>
10873
10874         Handle output sections with more than 0x7fffffff bytes.
10875         * object.h (class Relobj): Change map_to_output_ to
10876         output_sections_, and just keep a section pointer.  Change all
10877         uses.  Move comdat group support to Sized_relobj.
10878         (Relobj::is_section_specially_mapped): Remove.
10879         (Relobj::output_section): Remove poff parameter.  Change all
10880         callers.
10881         (Relobj::output_section_offset): New function.
10882         (Relobj::set_section_offset): Rewrite.
10883         (Relobj::map_to_output): Remove.
10884         (Relobj::output_sections): New function.
10885         (Relobj::do_output_section_offset): New pure virtual function.
10886         (Relobj::do_set_section_offset): Likewise.
10887         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10888         group support from Relobj.  Update declarations.
10889         (Sized_relobj::get_output_section_offset): New function.
10890         (Sized_relobj::do_output_section_offset): New function.
10891         (Sized_relobj::do_set_section_offset): New function.
10892         * object.cc (Relobj::output_section_address): Remove.
10893         (Sized_relobj::Sized_relobj): Initialize new fields.
10894         (Sized_relobj::include_section_group): Cast find_kept_object to
10895         Sized_relobj.
10896         (Sized_relobj::include_linkonce_section): Likewise.
10897         (Sized_relobj::do_layout): Use separate arrays for output section
10898         and output offset.
10899         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10900         output_sections.
10901         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10902         output_sections and section_offsets.
10903         (Sized_relobj::write_local_symbols): Likewise.
10904         (map_to_kept_section): Compute output address directly.
10905         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10906         output_sections and section_offsets.
10907         (Sized_relobj::write_sections): Likewise.
10908         (Sized_relobj::relocate_sections): Likewise.
10909         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10910         * output.h (class Output_reloc): Update declarations.  Change
10911         u2_.relobj to Sized_relobj*.
10912         (class Output_data_reloc): Change add functions to use
10913         Sized_relobj*.
10914         * output.cc (Output_reloc::Output_reloc): Change relobj to
10915         Sized_relobj*.
10916         (Output_reloc::local_section_offset): Change return type to
10917         Elf_Addr.  Use get_output_section_offset.
10918         (Output_reloc::get_address): Likewise.
10919         (Output_section::is_input_address_mapped): Don't call
10920         is_section_specially_mapped.
10921         (Output_section::output_offset): Likewise.
10922         (Output_section::output_address): Likewise.
10923         (Output_section::starting_output_address): Likewise.
10924         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10925         parameter to Sized_relobj*.
10926         (Copy_relocs::need_copy_reloc): Likewise.
10927         (Copy_relocs::save): Likewise.
10928         * copy-relocs.h (class Copy_relocs): Update declarations.
10929         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10930         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10931         * target-reloc.h (relocate_for_relocatable): Change
10932         offset_in_output_section type to Elf_Addr.  Change code that uses
10933         it as well.
10934         * layout.cc (Layout::layout): Always set *off.
10935         * mapfile.cc (Mapfile::print_input_section): Use
10936         output_section_offset.
10937         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10938         Sized_relobj*.
10939         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10940         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10941         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10942
10943 2008-07-03  Ian Lance Taylor  <iant@google.com>
10944
10945         * layout.cc (Layout::include_section): Do not discard unrecognized
10946         SHT_STRTAB sections.
10947
10948 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10949
10950         * script.cc (Lex::can_continue_name): Make '?' allowable in
10951         version-script names.
10952         * testsuite/version_script.map: Change glob pattern to use '?'
10953
10954 2008-06-30  Manish Singh  <yosh@gimp.org>
10955
10956         PR 6585
10957         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10958         Correct typo.
10959
10960 2008-06-30  Ian Lance Taylor  <iant@google.com>
10961
10962         PR 6660
10963         PR 6682
10964         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10965         versions]: Don't try to read the value in the contents, since we
10966         don't use it.  Use the template endianness when writing.
10967
10968 2008-06-25  Cary Coutant  <ccoutant@google.com>
10969
10970         * fileread.cc (File_read::make_view): Assert on zero-length view.
10971         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10972         symbol table when there are no symbols to read.
10973
10974 2008-06-23  Craig Silverstein  <csilvers@google.com>
10975
10976         * version.cc (version_string): Bump to 1.7
10977
10978 2008-06-18  Craig Silverstein  <csilvers@google.com>
10979
10980         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10981         constant 0xFFFF to type Valtype.
10982         (Powerpc_relocate_functions::rel16_ha): Likewise.
10983
10984 2008-06-17  Ian Lance Taylor  <iant@google.com>
10985
10986         * output.h (Output_section::Input_section): Initialize p2align_ to
10987         zero for Output_section_data constructors.
10988         (Output_section::Input_section::addralign): If not an input
10989         section, return the alignment of the Output_section_data.
10990         * testsuite/copy_test.cc: New file.
10991         * testsuite/copy_test_1.cc: New file.
10992         * testsuite/copy_test_2.cc: New file.
10993         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10994         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10995         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10996         (copy_test_1_pic.o, copy_test_1.so): New targets.
10997         (copy_test_2_pic.o, copy_test_2.so): New targets.
10998         * testsuite/Makefile.in: Rebuild.
10999
11000         * script-sections.cc (Script_sections::place_orphan): Initialize
11001         local variable exact.
11002
11003 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11004
11005         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11006
11007 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11008             David S. Miller  <davem@davemloft.net>
11009
11010         * powerpc.cc: New file.
11011         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11012         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11013         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11014         * Makefile.in: Rebuild.
11015
11016 2008-06-09  Ian Lance Taylor  <iant@google.com>
11017
11018         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11019         <exception>.
11020         (throwing, orig_terminate): New static variables.
11021         (terminate_handler): New static function.
11022         (t2): Set terminate handler.
11023
11024 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11025
11026         PR 6584
11027         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11028         alignment.
11029
11030 2008-05-30  Cary Coutant  <ccoutant@google.com>
11031
11032         * archive.cc (Archive::include_all_members) Correct to step
11033         over symbol table and extended name table in thin archives.
11034
11035 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11036
11037         PR 6407
11038         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11039         calculation.
11040
11041 2008-05-28  Caleb Howe  <cshowe@google.com>
11042
11043         * reduced_debug_output.cc: New file.
11044         * reduced_debug_output.h: New file.
11045         * options.h (class General_options): Add --strip-debug-non-line.
11046         * options.cc (General_options::finalize): Add strip_debug_non_line
11047         to the strip heirarchy.
11048         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11049         fields.
11050         * layout.cc: Include "reduced_debug_output.h".
11051         (Layout::Layout): Initialize new fields.
11052         (line_only_debug_sections): New static array.
11053         (is_lines_only_debug_sections): New static inline function.
11054         (Layout::include_section): Handle --strip-debug-non-line.
11055         (Layout::make_output_section): If --strip-debug-non-line, build
11056         new output sections for .debug_abbrev and .debug_info.
11057         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11058         gold.  Warn about possible overflow.
11059         (read_signed_LEB_128): Likewise.
11060         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11061         (read_signed_LEB_128): Declare.
11062         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11063         (HFILES): Add reduced_debug_output.h.
11064         * Makefile.in: Rebuild.
11065
11066 2008-05-21  Ian Lance Taylor  <iant@google.com>
11067
11068         * mapfile.cc: New file.
11069         * mapfile.h: New file.
11070         * options.h (class General_options): Add -M/--print-map and -Map.
11071         * options.cc (General_options::finalize): Make -M equivalent to
11072         -Map -.
11073         * main.cc: Include <cstdio> and "mapfile.h".
11074         (main): Open mapfile if requested.
11075         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11076         constructor.  Change caller.
11077         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11078         (queue_middle_tasks): Likewise.
11079         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11080         declarations.
11081         * archive.cc: Include "mapfile.h".
11082         (Archive::add_symbols): Add mapfile parameter.  Change all
11083         callers.  Pass mapfile, symbol, and reason to include_member.
11084         (Archive::include_all_members): Add mapfile parameter.  Change all
11085         callers.
11086         (Archive::include_member): Add mapfile, sym, and why parameters.
11087         Change all callers.  Report inclusion to map file.
11088         * archive.h: Include "fileread.h".
11089         (class Archive): Update declarations.
11090         (Archive::file): New const method.
11091         (class Add_archive_symbols): Add mapfile_ field.  Update
11092         constructor.  Change all callers.
11093         * readsyms.h (class Read_symbols): Likewise.
11094         (class Finish_group): Likewise.
11095         (class Read_script): Likewise.
11096         * common.cc: Include "mapfile.h".
11097         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11098         all callers.
11099         (Symbol_table::do_allocate_commons): Likewise.
11100         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11101         symbol allocation to mapfile.
11102         * common.h (class Allocate_commons_task): Add mapfile_ field.
11103         Update constructor.  Change all callers.
11104         * symtab.h (class Symbol_table): Update declarations.
11105         * layout.cc: Include "mapfile.h".
11106         (Layout_task_runner::run): Print information to mapfile.
11107         (Layout::create_gold_note): Change Output_data_fixed_space to
11108         Output_data_zero_fill.
11109         (Layout::create_build_id): Likewise.
11110         (Layout::print_to_mapfile): New function.
11111         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11112         constructor.  Change caller.
11113         (class Layout): Declare print_to_mapfile.
11114         * output.cc (Output_section::Input_section::print_to_mapfile): New
11115         function.
11116         (Output_section::add_input_section): If producing a map, always
11117         add to input_sections_ list.
11118         (Output_section::do_print_to_mapfile): New function.
11119         (Output_segment::print_sections_to_mapfile): New function.
11120         (Output_segment::print_section_list_to_mapfile): New function.
11121         * output.h: Include "mapfile.h".
11122         (Output_data::print_to_mapfile): New function.
11123         (Output_data::do_print_to_mapfile): New virtual function.
11124         (Output_segment_headers::do_print_to_mapfile): New function.
11125         (Output_file_header::do_print_to_mapfile): New function.
11126         (Output_data_const::do_print_to_mapfile): New function.
11127         (class Output_data_const_buffer): Add map_name_ field.  Update
11128         constructor.  Change all callers.  Add do_print_to_mapfile
11129         function.
11130         (class Output_data_fixed_space): Likewise.
11131         (class Output_data_space): Likewise.
11132         (class Output_data_zero_fill): New class.
11133         (Output_data_strtab::do_print_to_mapfile): New function.
11134         (Output_data_reloc_base::do_print_to_mapfile): New function.
11135         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11136         (Output_data_group::do_print_to_mapfile): New function.
11137         (Output_data_got::do_print_to_mapfile): New function.
11138         (Output_data_dynamic::do_print_to_mapfile): New function.
11139         (Output_symtab_xindex::do_print_to_mapfile): New function.
11140         (class Output_section): Declare do_print_to_mapflie.  Declare
11141         print_to_mapfile in Input_section.
11142         (class Output_segment): Declare new functions.
11143         * object.h (Sized_relobj::symbol_count): New function.
11144         * script-sections.cc
11145         (Output_section_element_dot_assignment::set_section_addresses):
11146         Change Output_data_fixed_space to Output_data_zero_fill.
11147         (Output_data_expression::do_print_to_mapfile): New function.
11148         * script.cc (read_input_script): Add mapfile parameter.  Change
11149         all callers.
11150         * script.h (read_input_script): Update declaration.
11151         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11152         (Eh_frame::do_print_to_mapfile): New function.
11153         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11154         (Output_merge_string::do_print_to_mapfile): New function.
11155         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11156         function.
11157         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11158         function.
11159         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11160         function.
11161         * Makefile.am (CCFILES): Add mapfile.cc.
11162         (HFILES): Add mapfile.h.
11163         * Makefile.in: Rebuild.
11164
11165 2008-05-19  Ian Lance Taylor  <iant@google.com>
11166
11167         * options.h (class General_options): Add -z relro.
11168         * layout.cc (Layout::Layout): Initialize relro_segment_.
11169         (Layout::add_output_section_data): Return the output section.
11170         (Layout::make_output_section): Rcognize relro sections and mark
11171         them appropriately.
11172         (Layout::attach_allocated_section_to_segment): Put relro sections
11173         in a PT_GNU_RELRO segment.
11174         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11175         section as relro.
11176         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11177         PT_TLS segments.
11178         (Layout::linkonce_mapping): Map d.rel.ro.local to
11179         .data.rel.ro.local.
11180         (Layout::output_section_name): Us .data.rel.ro.local for any
11181         section which begins with that.
11182         * layout.h (class Layout): Update add_output_section_data
11183         declaration.  Add relro_segment_ field.
11184         * output.cc (Output_section::Output_section): Initialize is_relro_
11185         and is_relro_local_ fields.
11186         (Output_segment::add_output_section): Group relro sections.
11187         (Output_segment::is_first_section_relro): New function.
11188         (Output_segment::maximum_alignment): If there is a relro section,
11189         align the segment to the common page size.
11190         (Output_segment::set_section_addresses): Track whether we are
11191         looking at relro sections.  If the last section is a relro
11192         section, align to the common page size.
11193         (Output_segment::set_section_list_addresses): Add in_relro
11194         parameter.  Change all callers.  Align to the page size when
11195         moving from relro to non-relro section.
11196         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11197         segment.
11198         * output.h (class Output_section): Add is_relro_ and
11199         is_relro_local_ fields.
11200         (Output_section::is_relro): New function.
11201         (Output_section::set_is_relro): New function.
11202         (Output_section::is_relro_local): New function.
11203         (Output_section::set_is_relro_local): New function.
11204         (class Output_segment): Update declarations.
11205         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11206         * sparc.cc (Target_sparc::got_section): Likewise.
11207         * x86_64.cc (Target_x86_64::got_section): Likewise.
11208         * testsuite/relro_test_main.cc: New file.
11209         * testsuite/relro_test.cc: New file.
11210         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11211         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11212         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11213         (relro_test.so, relro_test_pic.o): New targets.
11214         * testsuite/Makefile.in: Rebuild.
11215
11216 2008-05-16  Ian Lance Taylor  <iant@google.com>
11217
11218         * output.cc (Output_segment::add_output_section): Remove front
11219         parameter.
11220         * output.h (class Output_segment): Remove
11221         add_initial_output_section and overloaded add_output_section.
11222         Update declaration of remaining add_output_section.
11223         * layout.cc (Layout::create_interp): Call add_output_section
11224         rather than add_initial_output_section.
11225         (Layout::finish_dynamic_section): Likewise.
11226
11227         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11228         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11229         know the dynamic type.
11230         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11231         field.  Initialize it in constructor.
11232         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11233         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11234         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11235         reloc.
11236
11237         * output.cc (Output_reloc::get_address): Change return type to
11238         Elf_Addr.
11239         * output.h (class Output_reloc): Update get_address declaration.
11240         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11241         for section addresses.
11242
11243 2008-05-09  Ian Lance Taylor  <iant@google.com>
11244
11245         PR 6493
11246         * gold.cc (gold_nomem): Use return value of write.
11247
11248 2008-05-08  Ian Lance Taylor  <iant@google.com>
11249
11250         * symtab.c (Symbol::init_base_output_data): Add version
11251         parameter.  Change all callers.
11252         (Symbol::init_base_output_segment): Likewise.
11253         (Symbol::init_base_constant): Likewise.
11254         (Symbol::init_base_undefined): Likewise.
11255         (Sized_symbol::init_output_data): Likewise.
11256         (Sized_symbol::init_output_segment): Likewise.
11257         (Sized_symbol::init_constant): Likewise.
11258         (Sized_symbol::init_undefined): Likewise.
11259         (Symbol_table::do_define_in_output_data): If the new symbol has a
11260         version, mark it as the default.
11261         (Symbol_table::do_define_in_output_segment): Likewise.
11262         (Symbol_table::do_define_as_constant): Likewise.
11263         * symtab.h (class Symbol): Update declarations.
11264         (class Sized_symbol): Likewise.
11265         * resolve.cc (Symbol::override_version): New function.
11266         (Symbol::override_base): Call override_version.
11267         (Symbol::override_base_with_special): Likewise.
11268         * testsuite/ver_script_8.script: New file.
11269         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11270         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11271         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11272         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11273
11274 2008-05-06  Ian Lance Taylor  <iant@google.com>
11275
11276         PR 6049
11277         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11278         functions.
11279         (class General_options): Remove existing --undefined, and add
11280         --no-undefined instead.  Add new --undefined as synonym for -u.
11281         * archive.cc (Archive::add_symbols): Check whether symbol was
11282         named with -u.
11283         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11284         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11285         all uses.  Add IS_UNDEFINED.  Update declarations to split
11286         different versions of init_base.  Declare init_base_undefined.
11287         (Symbol::is_defined): Handle IS_UNDEFINED.
11288         (Symbol::is_undefined): Likewise.
11289         (Symbol::is_weak_undefined): Call is_undefined.
11290         (Symbol::is_absolute): Handle IS_CONSTANT.
11291         (class Sized_symbol): Update declarations to split different
11292         versions of init.  Declare init_undefined.
11293         (class Symbol_table): Declare new functions.
11294         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11295         Change all callers.
11296         (Symbol::init_base_output_data): Likewise.
11297         (Symbol::init_base_output_segment): Likewise.
11298         (Symbol::init_base_constant): Likewise.
11299         (Symbol::init_base_undefined): New function.
11300         (Sized_symbol::init_object): Rename from init.  Change all
11301         callers.
11302         (Sized_symbol::init_output_data): Likewise.
11303         (Sized_symbol::init_output_segment): Likewise.
11304         (Sized_symbol::init_constant): Likewise.
11305         (Sized_symbol::init_undefined): New function.
11306         (Symbol_table::add_undefined_symbols_from_command_line): New
11307         function.
11308         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11309         function.
11310         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11311         (Symbol::output_section): Likewise.
11312         (Symbol::set_output_section): Likewise.
11313         (Symbol_table::sized_finalize_symbol): Likewise.
11314         (Symbol_table::sized_write_globals): Likewise.
11315         * resolve.cc (Symbol_table::should_override): Likewise.
11316         (Symbol::override_base_with_special): Likewise.
11317
11318         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11319         symbol, change it to have default visibility.
11320         * testsuite/protected_1.cc: New file.
11321         * testsuite/protected_2.cc: New file.
11322         * testsuite/protected_3.cc: New file.
11323         * testsuite/protected_main_1.cc: New file.
11324         * testsuite/protected_main_2.cc: New file.
11325         * testsuite/protected_main_3.cc: New file.
11326         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11327         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11328         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11329         (protected_1.so): New target.
11330         (protected_1_pic.o, protected_2_pic.o): New targets.
11331         (protected_3_pic.o): New target.
11332         (check_PROGRAMS): Add protected_2.
11333         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11334         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11335         * testsuite/Makefile.in: Rebuild.
11336
11337         * options.h (DEFINE_var): Add set_user_set_##varname__.
11338         (DEFINE_bool_alias): New macro.
11339         (class General_options): Define -Bstatic using DEFINE_bool_alias
11340         rather than DEFINE_special.  Add --undefined as an alias for -z
11341         defs.
11342         * options.cc (General_options::parse_Bstatic): Remove.
11343
11344         * options.h (class General_options): Add --fatal-warnings.
11345         * main.cc (main): Implement --fatal-warnings.
11346         * errors.h (Errors::warning_count): New function.
11347
11348         * options.h (class General_options): Add -Bsymbolic-functions.
11349         * symtab.h (Symbol::is_preemptible): Check for
11350         -Bsymbolic-functions.
11351
11352 2008-05-05  Ian Lance Taylor  <iant@google.com>
11353
11354         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11355         as noVARNAME rather than no-VARNAME.
11356         (class General_options): Add option -z combreloc.
11357         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11358         get_address.
11359         (Output_reloc::sort_before) [SHT_REL]: New function.
11360         (Output_reloc::sort_before) [SHT_RELA]: New function.
11361         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11362         Sort_relocs_comparison.
11363         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11364         parameter.  Change all callers.
11365         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11366         sort_relocs parameter.  Change all callers.
11367         * output.cc (Output_reloc::get_address): New function, broken out
11368         of write_rel.
11369         (Output_reloc::write_rel): Call it.
11370         (Output_reloc::compare): New function.
11371         (Output_data_reloc_base::do_write): Optionally sort relocs.
11372
11373         * configure.ac: If targ_extra_obj is set, link it in.
11374         * configure.tgt: Initialize all variables.
11375         (x86_64*): Set targ_extra_obj and targ_extra_size.
11376         * configure: Rebuild.
11377
11378         * object.cc (Sized_relobj::include_section_group): Adjust section
11379         indexes read from group data.  Build vector to pass to
11380         layout_group.
11381         * layout.cc (Layout::layout_group): Add flags and shndxes
11382         parameters.  Remove contents parameter.  Change caller.  Update
11383         explicit instantiations.
11384         * layout.h (class Layout): Update layout_group declaration.
11385         * output.cc (Output_data_group::Output_data_group): Add flags and
11386         input_shndxes parameters.  Remove contents parameter.  Change
11387         caller.
11388         (Output_data_group::do_write): Change input_sections_ to
11389         input_shndxes_.
11390         * output.h (class Output_data_group): Update constructor
11391         declaration.  Rename input_sections_ to input_shndxes_.
11392         * testsuite/many_sections_test.cc: Add template.
11393
11394 2008-04-30  Cary Coutant  <ccoutant@google.com>
11395
11396         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11397
11398         * layout.cc (Layout::include_section): Refactored check for debug
11399         info section.
11400         (Layout::add_comdat): Add new parameters.  Change type
11401         of signature parameter.  Add object and shndx to signatures table.
11402         (Layout::find_kept_object): New function.
11403         * layout.h: Include <cstring>.
11404         (Layout::is_debug_info_section): New function.
11405         (Layout::add_comdat): Add new parameters.
11406         (Layout::find_kept_object): New function.
11407         (Layout::Kept_section): New struct.
11408         (Layout::Signatures): Change type of map range.
11409         * object.cc (Relobj::output_section_address): New function.
11410         (Sized_relobj::include_section_group): Add new parameters.  Change
11411         calls to Layout::add_comdat.  Change to build table of kept comdat
11412         groups and table mapping discarded sections to kept sections.
11413         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11414         (Sized_relobj::do_layout): Change calls to include_section_group and
11415         include_linkonce_section.
11416         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11417         value to zero when section is discarded.
11418         (Sized_relobj::map_to_kept_section): New function.
11419         * object.h (Relobj::output_section_address): New function.
11420         (Relobj::Comdat_group): New type.
11421         (Relobj::find_comdat_group): New function.
11422         (Relobj::Comdat_group_table): New type.
11423         (Relobj::Kept_comdat_section): New type.
11424         (Relobj::Kept_comdat_section_table): New type.
11425         (Relobj::add_comdat_group): New function.
11426         (Relobj::set_kept_comdat_section): New function.
11427         (Relobj::get_kept_comdat_section): New function.
11428         (Relobj::comdat_groups_): New field.
11429         (Relobj::kept_comdat_sections_): New field.
11430         (Symbol_value::input_value): Update comment.
11431         (Sized_relobj::map_to_kept_section) New function.
11432         (Sized_relobj::include_linkonce_section): Add new parameter.
11433         * target-reloc.h (Comdat_behavior): New type.
11434         (get_comdat_behavior): New function.
11435         (relocate_section): Add code to map a discarded section to the
11436         corresponding kept section when applying a relocation.
11437
11438 2008-04-30  Craig Silverstein  <csilvers@google.com>
11439
11440         * dwarf_reader.cc (next_generation_count): New static var.
11441         (Addr2line_cache_entry): New struct.
11442         (addr2line_cache): New static var.
11443         (Dwarf_line_info::one_addr2line): Added caching.
11444         (Dwarf_line_info::clear_addr2line_cache): New function.
11445         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11446         cache-size parameter.
11447         (Dwarf_line_info::one_addr2line_cache): New function.
11448         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11449         new cache-size argument to one_addr2line(), and clear cache.
11450
11451 2008-04-28  Cary Coutant  <ccoutant@google.com>
11452
11453         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11454         R_386_PC8 relocations.
11455
11456 2008-04-23  Ian Lance Taylor  <iant@google.com>
11457
11458         * object.cc (Sized_relobj::include_section_group): Check for
11459         invalid section group.
11460
11461         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11462         header size.
11463
11464         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11465         than read for file header.
11466         * archive.cc (Archive::include_member): Likewise.
11467
11468 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11469
11470         * aclocal.m4: Regenerate.
11471         * configure: Regenerate.
11472
11473 2008-04-19  Ian Lance Taylor  <iant@google.com>
11474
11475         * version.cc (version_string): Bump to 1.6.
11476
11477         * testsuite/Makefile.am (many_sections_r_test): New target.
11478         (many_sections_r_test_SOURCES): Remove.
11479         (many_sections_r_test_DEPENDENCIES): Remove.
11480         (many_sections_r_test_LDFLAGS): Remove.
11481         (many_sections_r_test_LDADD): Remove.
11482
11483         * object.cc (Sized_relobj::do_add_symbols): Always pass
11484         local_symbol_count_ to add_from_relobj.
11485
11486         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11487         every thousand variables.
11488         * testsuite/Makefile.in: Rebuild.
11489
11490         * object.cc (Xindex::initialize_symtab_xindex): New function.
11491         (Xindex::read_symtab_xindex): New function.
11492         (Xindex::sym_xindex_to_shndx): New function.
11493         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11494         available.
11495         (Sized_relobj::do_initialize_xindex): New function.
11496         (Sized_relobj::do_read_symbols): Adjust section links.
11497         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11498         parameter.  Change all callers.
11499         (Sized_relobj::include_section_group): Adjust section links and
11500         symbol section indexes.
11501         (Sized_relobj::do_layout): Adjust section links.
11502         (Sized_relobj::do_count_local_symbols): Adjust section links and
11503         symbol section indexes.
11504         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11505         ordinary and special symbols.
11506         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11507         dynsym_xindex parameters.  Change all callers.  Adjust section
11508         links.  Use SHN_XINDEX when needed.
11509         (Sized_relobj::get_symbol_location_info): Adjust section links.
11510         Don't get fooled by special symbols.
11511         * object.h (class Xindex): Define.
11512         (class Object): Add xindex_ parameter.  Declare virtual functoin
11513         do_initialize_xindex.
11514         (Object::adjust_sym_shndx): New function.
11515         (Object::set_xindex): New protected function.
11516         (class Symbol_value): Add is_ordinary_shndx_ field.
11517         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11518         (Symbol_value::value): Assert ordinary section.
11519         (Symbol_value::initialize_input_to_output_map): Likewise.
11520         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11521         Change all callers.
11522         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11523         all callers.
11524         (class Sized_relobj): Update declarations.
11525         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11526         parameter.  Change all callers.
11527         (Sized_relobj::adjust_shndx): New function.
11528         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11529         field.
11530         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11531         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11532         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11533         (Sized_dynobj::read_dynsym_section): Adjust section links.
11534         (Sized_dynobj::read_dynamic): Likewise.
11535         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11536         section links.
11537         (Sized_dynobj::do_initialize_xindex): New function.
11538         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11539         do_initialize_xindex.
11540         (Sized_dynobj::adjust_shndx): New function.
11541         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11542         dynsym_xindex_ fields.
11543         (Layout::finalize): Add a call to set_section_indexes before
11544         creating the symtab sections.
11545         (Layout::set_section_indexes): Don't do anything if the section
11546         already has a section index.
11547         (Layout::create_symtab_sections): Add shnum parameter.  Change
11548         caller.  Create .symtab_shndx section if needed.
11549         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11550         caller.
11551         (Layout::allocated_output_section_count): New function.
11552         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11553         needed.
11554         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11555         fields.  Update declarations.
11556         (Layout::symtab_xindex): New function.
11557         (Layout::dynsym_xindex): New function.
11558         (class Write_symbols_task): Add layout_ field.
11559         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11560         Change caller.
11561         * output.cc (Output_section_headers::Output_section_headers): Add
11562         shstrtab_section parameter.  Change all callers.
11563         (Output_section_headers::do_sized_write): Store overflow values
11564         for section count and section string table section index in
11565         section header zero.
11566         (Output_file_header::do_sized_write): Check for overflow of
11567         section count and section string table section index.
11568         (Output_symtab_xindex::do_write): New function.
11569         (Output_symtab_xindex::endian_do_write): New function.
11570         * output.h (class Output_section_headers): Add shstrtab_section_.
11571         Update declarations.
11572         (class Output_symtab_xindex): Define.
11573         (Output_section::has_out_shndx): New function.
11574         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11575         field.
11576         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11577         Change all callers.
11578         (Sized_symbol::init): Likewise.
11579         (Symbol::output_section): Check for ordinary symbol.
11580         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11581         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11582         callers.
11583         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11584         Change all callers.  Simplify handling of symbols from sections
11585         not included in the link.
11586         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11587         distinction.
11588         (Weak_alias_sorter::operator()): Assert that symbols are
11589         ordinary.
11590         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11591         distinction.
11592         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11593         parameters.  Change all callers.
11594         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11595         symbol distinction.  Use SHN_XINDEX when needed.
11596         (Symbol_table::write_section_symbol): Add symtab_xindex
11597         parameter.  Change all callers.
11598         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11599         SHN_XINDEX when needed.
11600         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11601         declarations.
11602         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11603         (Symbol::is_defined): Check is_ordinary.
11604         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11605         (Symbol::is_absolute, Symbol::is_common): Likewise.
11606         (class Sized_symbol): Update declarations.
11607         (class Symbol_table): Update declarations.
11608         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11609         parameters.  Change all callers.
11610         (Sized_symbol::override): Likewise.
11611         (Symbol_table::override): Likewise.
11612         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11613         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11614         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11615         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11616         to be in an ordinary section.
11617         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11618         object and is_ordinary parameters.  Change all callers.
11619         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11620         Change all callers.  Don't add undefined or non-ordinary symbols
11621         to reloc_map_.
11622         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11623         Change all callers.
11624         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11625         declarations.
11626         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11627         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11628         (Sized_relobj::relocate_sections): Likewise.
11629         * target-reloc.h (scan_relocs): Adjust section symbol index.
11630         (scan_relocatable_relocs): Likewise.
11631         * i386.cc (Scan::local): Check for ordinary symbols.
11632         * sparc.cc (Scan::local): Likewise.
11633         * x86_64.cc (Scan::local): Likewise.
11634         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11635         to symbol_section_and_value.
11636         * testsuite/many_sections_test.cc: New file.
11637         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11638         (check_PROGRAMS): Add many_sections_test.
11639         (many_sections_test_SOURCES): Define.
11640         (many_sections_test_DEPENDENCIES): Define.
11641         (many_sections_test_LDFLAGS): Define.
11642         (BUILT_SOURCES): Add many_sections_define.h.
11643         (many_sections_define.h): New target.
11644         (BUILT_SOURCES): Add many_sections_check.h.
11645         (many_sections_check.h): New target.
11646         (check_PROGRAMS): Add many_sections_r_test.
11647         (many_sections_r_test_SOURCES): Define.
11648         (many_sections_r_test_DEPENDENCIES): Define.
11649         (many_sections_r_test_LDFLAGS): Define.
11650         (many_sections_r_test_LDADD): Define.
11651         (many_sections_r_test.o): New target.
11652         * testsuite/Makefile.in: Rebuild.
11653
11654 2008-04-17  Cary Coutant  <ccoutant@google.com>
11655
11656         * errors.cc (Errors::info): New function.
11657         (gold_info): New function.
11658         * errors.h (Errors::info): New function.
11659         * gold.h (gold_info): New function.
11660         * object.cc (Input_objects::add_object): Print trace output.
11661         * options.cc (options::parse_set): New function.
11662         (General_options::parse_wrap): Deleted.
11663         (General_options::General_options): Deleted initializer.
11664         * options.h (options::String_set): New typedef.
11665         (options::parse_set): New function.
11666         (DEFINE_set): New macro.
11667         (General_options::wrap): Changed to use DEFINE_set. Changed
11668         callers of any_wrap_symbols and is_wrap_symbol.
11669         (General_options::trace, General_options::trace_symbol):
11670         New options.
11671         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11672         (General_options::wrap_symbols_): Deleted.
11673         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11674
11675 2008-04-17  David S. Miller  <davem@davemloft.net>
11676
11677         * options.cc (General_options::parse_V): New function.
11678         * options.h: Add entries for -V and -Qy.
11679
11680 2008-04-17  Ian Lance Taylor  <iant@google.com>
11681
11682         * common.cc (Symbol_table::allocate_commons): Remove options
11683         parameter.  Change caller.
11684         (Symbol_table::do_allocate_commons): Remove options parameter.
11685         Change caller.  Just call do_allocate_commons_list twice.
11686         (Symbol_table::do_allocate_commons_list): New function, broken out
11687         of do_allocate_commons.
11688         * common.h (class Allocate_commons_task): Remove options_ field.
11689         Update constructor.
11690         * symtab.cc (Symbol_table::Symbol_table): Initialize
11691         tls_commons_.
11692         (Symbol_table::add_from_object): Put TLS common symbols on
11693         tls_commons_ list.
11694         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11695         which are IN_OUTPUT_DATA.
11696         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11697         allocate_commons and do_allocate_commons declarations.  Declare
11698         do_allocate_commons_list.
11699         * gold.cc (queue_middle_tasks): Update creation of
11700         Allocate_commons_task to not pass options.
11701         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11702         (TLS_TEST_C_FLAGS): New variable.
11703         (tls_test_c_pic.o): New target.
11704         (tls_test_shared.so): Link in tls_test_c_pic.o.
11705         (tls_test_c_pic_ie.o): New target.
11706         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11707         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11708         (tls_test_c.o): New target.
11709         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11710         (tls_pic_test_LDADD): Likewise.
11711         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11712         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11713         (tls_test_c_gnu2.o): New target.
11714         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11715         tls_test_c_gnu2.o.
11716         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11717         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11718         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11719         * testsuite/tls_test.cc: Include "config.h".
11720         (t_last): Call t11_last.
11721         * testsuite/tls_test.h (t11, t11_last): Declare.
11722         * testsuite/tls_test_c.c: New file.
11723         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11724         * configure.ac: Check for OpenMP support.
11725         * configure, config.in, Makefile.in: Rebuild.
11726         * testsuite/Makefile.in: Rebuild.
11727
11728 2008-04-16  Cary Coutant  <ccoutant@google.com>
11729
11730         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11731         (Target_i386::tls_base_symbol_defined_): New field.
11732         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11733         (Target_i386::Scan::global): Likewise.
11734         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11735         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11736         (Target_x86_64::tls_base_symbol_defined_): New field.
11737         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11738         (Target_x86_64::Scan::global): Likewise.
11739
11740 2008-04-16  Cary Coutant  <ccoutant@google.com>
11741
11742         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11743         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11744         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11745         building shared libraries.
11746         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11747         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11748         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11749         * testsuite/Makefile.in: Rebuild.
11750         * testsuite/weak_undef.h: New file.
11751         * testsuite/weak_undef_file1.cc: Add extra test cases.
11752         * testsuite/weak_undef_file2.cc: Likewise.
11753         * testsuite/weak_undef_test.cc: Likewise.
11754
11755 2008-04-16  David S. Miller  <davem@davemloft.net>
11756
11757         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11758         Add issued_non_pic_error_ field.  Declare check_non_pic.
11759         (Target_sparc::Scan::check_non_pic): New function.
11760         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11761         (Target_sparc::Scan::global): Likewise.
11762
11763         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11764         * configure: Rebuild.
11765
11766         * options.h (DEFINE_enable): New macro.
11767         (new_dtags): New enable option.
11768         (initfirst, interpose, loadfltr, nodefaultlib,
11769         nodelete, nodlopen, nodump): New -z options.
11770         * layout.cc (Layout:finish_dynamic_section): If new
11771         dtags enabled, emit DT_RUNPATH.  Also, emit a
11772         DT_FLAGS_1 containing any specified -z flags.
11773
11774 2008-04-16  Ian Lance Taylor  <iant@google.com>
11775
11776         * copy-relocs.cc: New file.
11777         * copy-relocs.h: New file.
11778         * reloc.cc: Remove Copy_relocs code.
11779         * reloc.h: Likewise.
11780         * reloc-types.h (struct Reloc_types) [both versions]: Add
11781         get_reloc_addend_noerror.
11782         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11783         variants of add_global which take an addend which must be zero.
11784         * i386.cc: Include "copy-relocs.h".
11785         (class Target_i386): Change type of copy_relocs_ to variable,
11786         update initializer.
11787         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11788         Change all callers.
11789         (Target_i386::do_finalize_sections): Change handling of
11790         copy_relocs_.
11791         * sparc.cc: Include "copy-relocs.h".
11792         (class Target_sparc): Change type of copy_relocs_ to variable,
11793         update initializer.
11794         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11795         Change all callers.
11796         (Target_sparc::do_finalize_sections): Change handling of
11797         copy_relocs_.
11798         * x86_64.cc: Include "copy-relocs.h".
11799         (class Target_x86_64): Change type of copy_relocs_ to variable,
11800         update initializer.
11801         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11802         class.  Change all callers.
11803         (Target_x86_64::do_finalize_sections): Change handling of
11804         copy_relocs_.
11805         * Makefile.am (CCFILES): Add copy-relocs.cc.
11806         (HFILES): Add copy-relocs.h.
11807
11808         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11809
11810         * testsuite/script_test_4.sh: Permit leading zeroes.
11811
11812 2008-04-15  Ian Lance Taylor  <iant@google.com>
11813
11814         * script-sections.cc (Script_sections::create_segments): Use
11815         header_size_adjustment even when there is enough room for the
11816         headers.
11817         * testsuite/script_test_4.sh: New file.
11818         * testsuite/script_test_4.t: New file.
11819         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11820         (check_DATA): Add script_test_4.stdout.
11821         (MOSTLYCLEANFILES): Likewise.
11822         (script_test_4): New target.
11823         (script_test_4.stdout): New target.
11824         * testsuite/Makefile.in: Rebuild.
11825
11826         * sparc.cc: Add definitions for Output_data_plt_sparc class
11827         constants.
11828
11829 2008-04-14  David S. Miller  <davem@davemloft.net>
11830
11831         * sparc.cc: New file.
11832         * Makefile.am (TARGETSOURCES): Add sparc.cc
11833         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11834         * configure.tgt: Document targ_extra_size and
11835         targ_extra_big_endian.  Add entries for sparc-* and
11836         sparc64-*.
11837         * configure.ac: Handle targ_extra_size and
11838         targ_extra_big_endian.
11839         * Makefile.in: Rebuild.
11840         * configure: Likewise.
11841         * po/POTFILES.in: Likewise.
11842         * po/gold.pot: Likewise.
11843
11844 2008-04-14  Ian Lance Taylor  <iant@google.com>
11845
11846         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11847         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11848         in the name/type/flags to section mapping.  Don't call
11849         allocate_output_section.
11850         (Layout::choose_output_section): Change parameter from adjust_name
11851         to is_input_section.  Don't permit input sections after sections
11852         are attached to segments.  Don't call allocate_output_section.
11853         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11854         not write_enable_output_section.
11855         (Layout::make_output_section): Don't push to
11856         unattached_section_list_ nor call attach_to_segment.  Call
11857         attach_section_to_segment if sections are attached.
11858         (Layout::attach_sections_to_segments): New function.
11859         (Layout::attach_section_to_segment): New function.
11860         (Layout::attach_allocated_section_to_segment): Rename from
11861         attach_to_segment.  Remove flags parameter.
11862         (Layout::allocate_output_section): Remove function.
11863         (Layout::write_enable_output_section): Remove function.
11864         * layout.h (class Layout): Update for above changes.  Add new
11865         field sections_are_attached_.
11866         * output.h (Output_section::update_flags_for_input_section): New
11867         function.
11868         * output.cc (Output_section::add_input_section): Call
11869         update_flags_for_input_section.
11870         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11871
11872 2008-04-11  Cary Coutant  <ccoutant@google.com>
11873
11874         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11875         thought unnecessary.
11876         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11877
11878 2008-04-11  Ian Lance Taylor  <iant@google.com>
11879
11880         * output.h (class Output_section_data): Remove inline definition
11881         of set_addralign.
11882         * output.cc (Output_section_data::set_addralign): New function.
11883
11884 2008-04-11  Cary Coutant  <ccoutant@google.com>
11885
11886         Add support for TLS descriptors for i386 and x86_64.
11887         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11888         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11889         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11890         GOT_TYPE_TLS_DESC.
11891         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11892         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11893         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11894         relocations.
11895         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11896         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11897         Fix problem with initial-exec relocations.
11898         (Target_i386::Relocate::relocate_tls): Likewise.
11899         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11900         relaxation.
11901         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11902         support for section-plus-offset dynamic table entries.
11903         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11904         (Output_data_dynamic::Dynamic_entry): Add support for
11905         section-plus-offset dynamic table entries.
11906         (Output_data_dynamic::Classification): Likewise.
11907         (Output_data_dynamic::classification_): Renamed offset_.
11908         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11909         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11910         (Target_x86_64::make_plt_section): New function.
11911         (Target_x86_64::reserve_tlsdesc_entries): New function.
11912         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11913         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11914         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11915         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11916         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11917         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11918         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11919         add extra PLT entry for TLS descriptors.
11920         (Output_data_plt_x86_64::got_): New field.
11921         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11922         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11923         fields.
11924         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11925         descriptors.
11926         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11927         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11928         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11929         R_386_TLS_DESC_CALL relocations.
11930         (Target_x86_64::Scan::global): Likewise.
11931         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11932         for TLS descriptors.
11933         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11934         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11935         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11936         GD-to-IE relaxation.
11937         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11938         and TLS_DESCRIPTORS.
11939         * Makefile.in: Rebuild.
11940         * configure: Rebuild.
11941         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11942         (tls_test_shared2.so): New target.
11943         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11944         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11945         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11946         (tls_shared_gd_to_ie_test_LDADD): New variable.
11947         (tls_shared_gnu2_gd_to_ie_test): New target.
11948         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11949         New targets.
11950         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11951         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11952         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11953         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11954         (tls_shared_gnu2_test): New target.
11955         (tls_test_gnu2_shared.so): New target.
11956         (tls_shared_gnu2_test_SOURCES): New variable.
11957         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11958         (tls_shared_gnu2_test_LDFLAGS): New variable.
11959         (tls_shared_gnu2_test_LDADD): New variable.
11960         * testsuite/Makefile.in: Rebuild.
11961         * testsuite/Makefile.
11962
11963 2008-04-11  Ian Lance Taylor  <iant@google.com>
11964
11965         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11966         justsyms.t.
11967         * testsuite/Makefile.in: Rebuild.
11968
11969         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11970         long.
11971         * testsuite/script_test_2.cc (main): Adjust test.
11972
11973 2008-04-11  David S. Miller  <davem@davemloft.net>
11974             Ian Lance Taylor  <iant@google.com>
11975
11976         * options.h (General_options): Add entries for '-Y' and
11977         '-relax'.
11978         * options.cc (General_options:finalize): If -Y was used, add those
11979         entries to the library path instead of the default "/lib" and
11980         "/usr/lib".
11981
11982 2008-04-11  David S. Miller  <davem@davemloft.net>
11983
11984         * testsuite/justsyms.t: Start at 0x100.
11985         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11986         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11987         long.
11988         * testsuite/script_test_2.cc: Adjust string and section length
11989         checks.
11990
11991 2008-04-09  Ian Lance Taylor  <iant@google.com>
11992
11993         PR gold/5996
11994         * script-sections.cc (Sections_element::allocate_to_segment): Add
11995         orphan parameter.
11996         (Output_section_definition::allocate_to_segment): Likewise.
11997         (Orphan_output_section::allocate_to_segment): Likewise.
11998         (Script_sections::attach_sections_using_phdrs_clause): Don't
11999         propagate non-PT_LOAD segments to orphan sections.
12000         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12001         readelf rather than objdump.
12002         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12003         .interp section and PT_INTERP segment are the same size.
12004         * testsuite/Makefile.in: Rebuild.
12005
12006         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12007         aliases for symbols defined in the same object.
12008         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12009         (weak_alias_test_SOURCES): New variable.
12010         (weak_alias_test_DEPENDENCIES): New variable.
12011         (weak_alias_test_LDFLAGS): New variable.
12012         (weak_alias_test_LDADD): New variable.
12013         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12014         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12015         (weak_alias_test_3.o): New target.
12016         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12017         * testsuite/weak_alias_test_main.cc: New file.
12018         * testsuite/weak_alias_test_1.cc: New file.
12019         * testsuite/weak_alias_test_2.cc: New file.
12020         * testsuite/weak_alias_test_3.cc: New file.
12021
12022 2008-04-08  Ian Lance Taylor  <iant@google.com>
12023
12024         * options.h (class General_options): Add --noinhibit-exec option.
12025         * main.cc (main): Check --noinhibit-exec.
12026
12027         * options.h (class General_options): Define --wrap as a special
12028         option.  Add wrap_symbols_ field.
12029         (General_options::any_wrap_symbols): New function.
12030         (General_options::is_wrap_symbol): New function.
12031         * options.cc (General_options::parse_wrap): New function.
12032         (General_options::General_options): Initialize wrap_symbols_.
12033         * symtab.cc (Symbol_table::wrap_symbol): New function.
12034         (Symbol_table::add_from_object): Handle --wrap.
12035         * symtab.h (class Symbol_table): Declare wrap_symbol.
12036         * target.h (Target::wrap_char): New function.
12037         (Target::Target_info): Add wrap_char field.
12038         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12039         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12040         * testsuite/testfile.cc (Target_test::test_target_info):
12041         Likewise.
12042
12043         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12044         there is one.
12045
12046         * layout.h (class Layout): Add added_eh_frame_data_ field.
12047         * layout.cc (Layout::Layout): Initialize new field.
12048         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12049         output section until we find a section we merged successfully.
12050         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12051         that the size be non-zero.
12052
12053         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12054         qualifier.
12055
12056 2008-04-08  Craig Silverstein  <csilvers@google.com>
12057
12058         * configure.ac: Export new conditional variable HAVE_ZLIB.
12059         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12060         on HAVE_ZLIB.
12061         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12062         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12063
12064 2008-04-07  Ian Lance Taylor  <iant@google.com>
12065
12066         * version.cc (version_string): Set to "1.5".
12067
12068         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12069         Add issued_non_pic_error_ field.  Declare check_non_pic.
12070         (Target_x86_64::Scan::check_non_pic): New function.
12071         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12072         (Target_x86_64::Scan::global): Likewise.
12073
12074         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12075         addend parameter.  Change caller.  Handle merge sections.
12076         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12077         Address to Addend.  Don't add in the result of
12078         local_section_offset, pass down the addend and use the returned
12079         value.
12080         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12081         Update declarations of local_section_offset and symbol_value.
12082         * testsuite/two_file_test_1.cc (t18): New function.
12083         * testsuite/two_file_test_2.cc (f18): New function.
12084         * testsuite/two_file_test_main.cc (main): Call t18.
12085         * testsuite/two_file_test.h (t18, f18): Declare.
12086
12087         * configure.ac: Don't test for objdump, c++filt, or readelf.
12088         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12089         conditionals.
12090         (TEST_READELF): New variable.
12091         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12092         (check_PROGRAMS): Add two_file_strip_test.
12093         (two_file_strip_test): New target.
12094         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12095         (two_file_same_shared_strip_test_SOURCES): New variable.
12096         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12097         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12098         (two_file_same_shared_strip_test_LDADD): New variable.
12099         (two_file_shared_strip.so): New target.
12100         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12101         (ver_test_5.syms, ver_test_7.syms): Likewise.
12102         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12103         (strip_test_3.stdout): Use TEST_OBJDUMP.
12104         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12105
12106 2008-04-04  Cary Coutant  <ccoutant@google.com>
12107
12108         * symtab.h (Symbol::is_weak_undefined): New function.
12109         (Symbol::is_strong_undefined): New function.
12110         (Symbol::is_absolute): New function.
12111         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12112         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12113         absolute symbols.
12114         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12115         (weak_undef_test): New target.
12116         * testsuite/Makefile.in: Rebuild.
12117         * testsuite/weak_undef_file1.cc: New file.
12118         * testsuite/weak_undef_file2.cc: New file.
12119         * testsuite/weak_undef_test.cc: New file.
12120
12121 2008-04-03  Craig Silverstein  <csilvers@google.com>
12122
12123         * compressed_output.h (class Output_compressed_section): Use
12124         unsigned buffer.
12125         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12126         add zlib header.
12127         (zlib_compressed_suffix): Removed.
12128         (Output_compressed_section::set_final_data_size): Use unsigned
12129         buffers.
12130         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12131         Fix linker invocation.
12132         (flagstest_o_specialfile_and_compress_debug_sections):
12133         Likewise.
12134         * testsuite/Makefile.in: Regenerated.
12135
12136 2008-04-02  David S. Miller  <davem@davemloft.net>
12137
12138         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12139         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12140
12141 2008-04-02  Craig Silverstein  <csilvers@google.com>
12142
12143         * TODO: New file.
12144
12145 2008-04-02  Ian Lance Taylor  <iant@google.com>
12146
12147         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12148         parameters.  Update for new key type to views_.  Change all
12149         callers.
12150         (File_read::read): Adjust for byteshift in returned view.
12151         (File_read::add_view): New function, broken out of
12152         find_and_make_view.
12153         (File_read::make_view): New function, broken out of
12154         find_and_make_view.
12155         (File_read::find_or_make_view): Add offset and aligned
12156         parameters.  Rewrite accordingly.  Change all callers.
12157         (File_read::get_view): Add offset and aligned parameters.  Adjust
12158         for byteshift in return value.
12159         (File_read::get_lasting_view): Likewise.
12160         * fileread.h (class File_read): Update declarations.
12161         (class File_read::View): Add byteshift_ field.  Add byteshift to
12162         constructor.  Add byteshift method.
12163         * archive.h (Archive::clear_uncached_views): New function.
12164         (Archive::get_view): Add aligned parameter.  Change all callers.
12165         * object.h (Object::get_view): Add aligned parameter.  Change all
12166         callers.
12167         (Object::get_lasting_view): Likewise.
12168
12169         * fileread.cc (File_read::release): Don't call clear_views if
12170         there are multiple objects.
12171         * fileread.h (File_read::clear_uncached_views): New function.
12172         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12173         on the archive.
12174
12175 2008-03-31  Cary Coutant  <ccoutant@google.com>
12176
12177         Add thin archive support.
12178         * archive.cc (Archive::armagt): New const.
12179         (Archive::setup): Remove task parameter and calls to unlock.
12180         (Archive::unlock_nested_archives): New function.
12181         (Archive::read_header): Add nested_off parameter. Change
12182         all callers.
12183         (Archive::interpret_header): Likewise.
12184         (Archive::include_all_members): Change to handle thin
12185         archives.
12186         (Archive::include_member): Likewise.
12187         * archive.h (Archive::Archive): Add new parameters and
12188         initializers.
12189         (Archive::armagt): New const.
12190         (Archive::setup): Remove task parameter.
12191         (Archive::unlock_nested_archives): New function.
12192         (Archive::read_header): Add nested_off parameter.
12193         (Archive::interpret_header): Likewise.
12194         (Archive::Nested_archive_table): New typedef.
12195         (Archive::is_thin_archive_): New field.
12196         (Archive::nested_archives_): New field.
12197         (Archive::options_): New field.
12198         (Archive::dirpath_): New field.
12199         (Archive::task_): New field.
12200         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12201         for thin archives.  Pass additional parameters to
12202         Archive::Archive.  Unlock the archive file after calling
12203         Archive::setup.
12204
12205 2008-03-29  Ian Lance Taylor  <iant@google.com>
12206
12207         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12208         version symbol to be local.
12209         * testsuite/ver_test_4.sh: New file.
12210         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12211         (check_DATA): Add ver_test_4.syms.
12212         (ver_test_4.syms): New target.
12213         * testsuite/Makefile.in: Rebuild.
12214
12215         * output.cc
12216         (Output_section::Input_section_sort_entry::has_priority): New
12217         function.
12218         (Output_section::Input_section_sort_entry::match_file_name): New
12219         function.
12220         (Output_section::Input_section_sort_entry::match_section_name):
12221         Remove.
12222         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12223         Remove.
12224         (Output_section::Input_section_sort_entry::match_section_file):
12225         Remove.
12226         (Output_section::Input_section_sort_compare::operator()): Rewrite
12227         using new Input_section_sort_entry functions.  Sort crtbegin and
12228         crtend first.  Sort sections with no priority before sections with
12229         a priority.
12230         * testsuite/initpri1.c (d3): Check j != 4.
12231         (cd5): New constructor/destructor function.
12232         (main): Check j != 2.
12233
12234         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12235         new symbol when resolving, don't call set_is_default.
12236         * testsuite/ver_test_7.cc: New file.
12237         * testsuite/ver_test_7.sh: New file.
12238         * testsuite/Makefile.am (ver_test_7.so): New target.
12239         (ver_test_7.o): New target.
12240         (check_SCRIPTS): Add ver_test_7.sh.
12241         (check_DATA): Add ver_test_7.syms.
12242         (ver_test_7.syms): New target.
12243
12244 2008-03-28  Ian Lance Taylor  <iant@google.com>
12245
12246         * layout.cc (Layout::layout): If we see an input section with a
12247         name that needs sorting, set the must_sort flag for the output
12248         section.
12249         (Layout::make_output_section): If the name of the output section
12250         indicates that it might require sorting, set the may_sort flag.
12251         * output.h (Output_section::may_sort_attached_input_sections): New
12252         function.
12253         (Output_section::set_may_sort_attached_input_sections): New
12254         function.
12255         (Output_section::must_sort_attached_input_sections): New
12256         function.
12257         (Output_section::set_must_sort_attached_input_sections): New
12258         function.
12259         (class Output_section): Declare Input_section_sort_entry.  Define
12260         Input_section_sort_compare.  Declare
12261         sort_attached_input_sections.  Add new fields:
12262         may_sort_attached_input_sections_,
12263         must_sort_attached_input_sections_,
12264         attached_input_sections_are_sorted_.
12265         * output.cc (Output_section::Output_section): Initialize new
12266         fields.
12267         (Output_section::add_input_section): Add an entry to
12268         input_sections_ if may_sort or must_sort are true.
12269         (Output_section::set_final_data_size): Call
12270         sort_attached_input_sections if necessary.
12271         (Output_section::Input_section_sort_entry): Define new class.
12272         (Output_section::Input_section_sort_compare::operator()): New
12273         function.
12274         (Output_section::sort_attached_input_sections): New function.
12275         * configure.ac: Check whether the compiler supports constructor
12276         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12277         * testsuite/initpri1.c: New file.
12278         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12279         CONSTRUCTOR_PRIORITY.
12280         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12281         (initpri1_LDFLAGS): New variable.
12282         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12283
12284 2008-03-27  Ian Lance Taylor  <iant@google.com>
12285
12286         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12287         * testsuite/common_test_1.c: New file.
12288         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12289         (common_test_1_SOURCES): New variable.
12290         (common_test_1_DEPENDENCIES): New variable.
12291         (common_test_1_LDFLAGS): New variable.
12292
12293         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12294         and commons_ correctly when NAME/VERSION does not override
12295         NAME/NULL.
12296         * testsuite/ver_test_6.c: New file.
12297         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12298         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12299         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12300
12301 2008-03-26  Ian Lance Taylor  <iant@google.com>
12302
12303         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12304         of an undefined symbol from a version script.
12305         * testsuite/Makefile.am (ver_test_5.so): New target.
12306         (ver_test_5.o): New target.
12307         (check_SCRIPTS): Add ver_test_5.sh.
12308         (check_DATA): Add ver_test_5.syms.
12309         (ver_test_5.syms): New target.
12310         * testsuite/ver_test_5.cc: New file.
12311         * testsuite/ver_test_5.script: New file.
12312         * testsuite/ver_test_5.sh: New file.
12313         * Makefile.in, testsuite/Makefile.in: Rebuild.
12314
12315         PR gold/5986
12316         Fix problems building gold with gcc 4.3.0.
12317         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12318         (gold_error_at_location, gold_warning_at_location): Use it.
12319         * configure.ac: Check whether we can compile and use a template
12320         function with a printf attribute.
12321         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12322         when jumping over bytes.
12323         * object.cc: Instantiate Object::read_section_data.
12324         * debug.h: Include <cstring>
12325         * dwarf_reader.cc: Include <algorithm>
12326         * main.cc: Include <cstring>.
12327         * options.cc: Include <cstring>.
12328         * output.cc: Include <cstring>.
12329         * script.cc: Include <cstring>.
12330         * script.h: Include <string>.
12331         * symtab.cc: Include <cstring> and <algorithm>.
12332         * target-select.cc: Include <cstring>.
12333         * version.cc: Include <string>.
12334         * testsuite/testmain.cc: Include <cstdlib>.
12335         * configure, config.in: Rebuild.
12336
12337 2008-03-25  Ian Lance Taylor  <iant@google.com>
12338
12339         * options.cc: Include "../bfd/bfdver.h".
12340         (options::help): Print bug reporting address.
12341
12342         * version.cc (print_version): Adjust output for current value of
12343         BFD_VERSION_STRING.
12344
12345         * NEWS: New file.
12346
12347         * options.cc (options::help): Print list of supported targets.
12348         * target-select.h: Include <vector>.
12349         (class Target_selector): Make machine_, size_, and is_big_endian_
12350         fields const.  Add bfd_name_ and instantiated_target_ fields.
12351         (Target_selector::Target_selector): Add bfd_name parameter.
12352         (Target_selector::recognize): Make non-virtual, call
12353         do_recognize.
12354         (Target_selector::recognize_by_name): Make non-virtual, call
12355         do_recognize_by_name.
12356         (Target_selector::supported_names): New function.
12357         (Target_selector::bfd_name): New function.
12358         (Target_selector::do_instantiate_target): New pure virtual
12359         function.
12360         (Target_selector::do_recognize): New virtual function.
12361         (Target_selector::do_recognize_by_name): New virtual function.
12362         (Target_selector::instantiate_target): New private function.
12363         (supported_target_names): Declare.
12364         * target-select.cc (Target_selector::Target_selector): Update for
12365         new parameter and fields.
12366         (select_target_by_name): Check that the name matches before
12367         calling recognize_by_name.
12368         (supported_target_names): New function.
12369         * i386.cc (class Target_selector_i386): Update Target_selector
12370         constructor call.  Remove recognize and recognize_by_name.  Add
12371         do_instantiate_target.
12372         * x86_64.cc (class Target_selector_x86_64): Likewise.
12373         * testsuite/testfile.cc (class Target_selector_test): Update for
12374         changes to Target_selector.
12375
12376         * README: Rewrite, with some notes on unsupported features.
12377
12378 2008-03-24  Cary Coutant  <ccoutant@google.com>
12379
12380         * i386.cc (Target_i386::Got_type): New enum declaration.
12381         (Target_i386::Scan::local): Updated callers of Output_data_got
12382         member functions.
12383         (Target_i386::Scan::global): Likewise.
12384         (Target_i386::Relocate::relocate): Likewise.
12385         (Target_i386::Relocate::relocate_tls): Likewise.
12386         * object.h (Got_offset_list): New class.
12387         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12388         (Sized_relobj::local_got_offset): Likewise.
12389         (Sized_relobj::set_local_got_offset): Likewise.
12390         (Sized_relobj::local_has_tls_got_offset): Removed.
12391         (Sized_relobj::local_tls_got_offset): Removed.
12392         (Sized_relobj::set_local_tls_got_offset): Removed.
12393         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12394         * output.cc (Output_data_got::add_global): Added got_type parameter.
12395         (Output_data_got::add_global_with_rel): Likewise.
12396         (Output_data_got::add_global_with_rela): Likewise.
12397         (Output_data_got::add_global_pair_with_rel): New function.
12398         (Output_data_got::add_global_pair_with_rela): New function.
12399         (Output_data_got::add_local): Added got_type parameter.
12400         (Output_data_got::add_local_with_rel): Likewise.
12401         (Output_data_got::add_local_with_rela): Likewise.
12402         (Output_data_got::add_local_pair_with_rel): New function.
12403         (Output_data_got::add_local_pair_with_rela): New function.
12404         (Output_data_got::add_global_tls): Removed.
12405         (Output_data_got::add_global_tls_with_rel): Removed.
12406         (Output_data_got::add_global_tls_with_rela): Removed.
12407         (Output_data_got::add_local_tls): Removed.
12408         (Output_data_got::add_local_tls_with_rel): Removed.
12409         (Output_data_got::add_local_tls_with_rela): Removed.
12410         * output.h (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         * resolve.cc (Symbol::override_base_with_special): Removed
12427         reference to has_got_offset_ field.
12428         * symtab.cc (Symbol::init_fields): Replaced initialization
12429         of got_offset_ with got_offsets_.  Removed initialization
12430         of has_got_offset_
12431         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12432         (Symbol::got_offset): Likewise.
12433         (Symbol::set_got_offset): Likewise.
12434         (Symbol::has_tls_got_offset): Removed.
12435         (Symbol::tls_got_offset): Removed.
12436         (Symbol::set_tls_got_offset): Removed.
12437         (Symbol::got_offset_): Removed.
12438         (Symbol::tls_mod_got_offset_): Removed.
12439         (Symbol::tls_pair_got_offset_): Removed.
12440         (Symbol::got_offsets_): New field.
12441         (Symbol::has_got_offset): Removed.
12442         (Symbol::has_tls_mod_got_offset): Removed.
12443         (Symbol::has_tls_pair_got_offset): Removed.
12444         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12445         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12446         member functions.
12447         (Target_x86_64::Scan::global): Likewise.
12448         (Target_x86_64::Relocate::relocate): Likewise.
12449         (Target_x86_64::Relocate::relocate_tls): Likewise.
12450
12451 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12452
12453         * yyscript.y: Fix spelling error in comment.
12454
12455 2008-03-24  Ian Lance Taylor  <iant@google.com>
12456
12457         * options.h (class General_options): Define build_id option.
12458         * layout.h (class Layout): Declare write_build_id, create_note,
12459         create_build_id.  Add build_id_note_ member.
12460         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12461         "libiberty.h", "md5.h", "sha1.h".
12462         (Layout::Layout): Initialize eh_frame_data_,
12463         eh_frame_hdr_section_, and build_id_note_.
12464         (Layout::finalize): Call create_build_id.
12465         (Layout::create_note): New function, broken out of
12466         Layout::create_gold_note.
12467         (Layout::create_gold_note): Call create_note.
12468         (Layout::create_build_id): New function.
12469         (Layout::write_build_id): New function.
12470         (Close_task_runner::run): Call write_build_id.
12471
12472         * x86_64.cc: Correct license to GPLv3.
12473
12474 2008-03-23  Ian Lance Taylor  <iant@google.com>
12475
12476         * options.cc: Include "demangle.h".
12477         (parse_optional_string): New function.
12478         (parse_long_option): Handle takes_optional_argument.
12479         (parse_short_option): Update dash_z initializer.  Handle
12480         takes_optional_argument.
12481         (General_options::General_options): Initialize do_demangle_.
12482         (General_options::finalize): Set do_demangle_.  Handle demangling
12483         style.
12484         * options.h (parse_optional_string): Declare.
12485         (struct One_option): Add optional_arg field.  Update constructor.
12486         Update call constructor calls.  Add takes_optional_argument
12487         function.
12488         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12489         (DEFINE_optional_string): Define.
12490         (General_options::demangle): Change from DEFINE_bool to
12491         DEFINE_optional_string.
12492         (General_options::no_demangle): New function.
12493         (General_options::do_demangle): New function.
12494         (General_options::set_do_demangle): New function.
12495         (General_options::execstack_status_): Move definition to end of
12496         class definition.
12497         (General_options::static_): Likewise.
12498         (General_options::do_demangle_): New field.
12499         * object.cc (big_endian>::get_symbol_location_info): Call
12500         Options::do_demangle, not Options::demangle.
12501         * symtab.cc (demangle): Likewise.
12502
12503 2008-03-22  Ian Lance Taylor  <iant@google.com>
12504
12505         * gold.h: Include <cstddef> and <sys/types.h>
12506         * options.h: Include <cstring>.
12507
12508 2008-03-21  Ian Lance Taylor  <iant@google.com>
12509
12510         * Added source code to GNU binutils.