gold/ChangeLog

   1 2012-02-02  Doug Kwan  <dougkwan@google.com>
   2
   3         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
   4         position independent outputs, not just shared objects.
   5
   6 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
   7
   8         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
   9         * configure: Regenerated.
  10
  11 2012-01-27  Ian Lance Taylor  <iant@google.com>
  12
  13         * reloc.h (Bits): New class with static functions, copied from
  14         namespace utils in arm.cc.
  15         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
  16         instead.
  17
  18 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
  19
  20         * incremental.cc (write_info_blocks): Correct relocation offset.
  21
  22 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
  23
  24         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
  25         (Relocate::tls_gd_to_le): Likewise.
  26
  27 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
  28
  29         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
  30
  31 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
  32
  33         * configure.ac: Check if -mcmodel=medium works.
  34         * configure: Regenerated.
  35
  36 2012-01-24  Cary Coutant  <ccoutant@google.com>
  37
  38         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
  39         definition and ...
  40         (read_unsigned_LEB_128_x): ... this new function.
  41         (read_signed_LEB_128): Replaced with inline definition and ...
  42         (read_signed_LEB_128_x): ... this new function.
  43         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
  44         (read_unsigned_LEB_128): Add inline definition.
  45         (read_signed_LEB_128_x): New function.
  46         (read_signed_LEB_128): Add inline definition.
  47         * testsuite/Makefile.am (leb128_unittest): New unit test.
  48         * testsuite/Makefile.in: Regenerate.
  49         * testsuite/leb128_unittest.cc: New unit test.
  50
  51 2012-01-23  Ian Lance Taylor  <iant@google.com>
  52
  53         PR gold/13617
  54         * i386.cc (Target_i386::do_code_fill): When using a jmp
  55         instruction, pad with nop instructions.
  56         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
  57
  58 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
  59
  60         * x86_64.cc (gc_process_relocs): Add typename on types used in
  61         template.
  62         (scan_relocs): Likewise.
  63         (relocate_section): Likewise.
  64         (apply_relocation): Likewise.
  65
  66 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
  67
  68         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
  69         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
  70         under x32.
  71
  72 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
  73
  74         * x86_64.cc: Initial support for x32.
  75
  76 2012-01-03  Cary Coutant  <ccoutant@google.com>
  77
  78         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
  79         Use abstract base class for GOT.
  80         * gold/output.h (class Output_data_got_base): New abstract base class.
  81         (class Output_data_got): Derive from new base class, adjust ctors.
  82         (Output_data_got::reserve_slot): Make virtual; rename to
  83         do_reserve_slot; Adjust callers.
  84         * gold/target.h (Sized_target::init_got_plt_for_update): Return
  85         pointer to abstract base class.
  86         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
  87
  88 2011-12-18  Ian Lance Taylor  <iant@google.com>
  89
  90         * object.h (Relobj::local_symbol_value): New function.
  91         (Relobj::local_plt_offset): New function.
  92         (Relobj::local_has_got_offset): New function.
  93         (Relobj::local_got_offset): New function.
  94         (Relobj::set_local_got_offset): New function.
  95         (Relobj::do_local_symbol_value): New pure virtual function.
  96         (Relobj::do_local_plt_offset): Likewise.
  97         (Relobj::do_local_has_got_offset): Likewise.
  98         (Relobj::do_local_got_offset): Likewise.
  99         (Relobj::do_set_local_got_offset): Likewise.
 100         (Sized_relobj::do_local_has_got_offset): Rename from
 101         local_has_got_offset.
 102         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
 103         (Sized_relobj::do_set_local_got_offset): Rename from
 104         set_local_got_offset.
 105         (Sized_relobj_file::do_local_plt_offset): Rename from
 106         local_plt_offset.
 107         (Sized_relobj_file::do_local_symbol_value): New function.
 108         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 109         local_plt_offset.
 110         * output.cc (Output_data_got::Got_entry::write): Change object to
 111         Relobj.  Use local_symbol_value.
 112         (Output_data_got::add_global_with_rel): Change rel_dyn to
 113         Output_data_reloc_generic*.  Use add_global_generic.
 114         (Output_data_got::add_global_with_rela): Remove.  Change all
 115         callers to use add_global_with_rel.
 116         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 117         Output_data_reloc_generic*.  Use add_global_generic.
 118         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 119         callers to use add_global_pair_with_rel.
 120         (Output_data_got::add_local): Change object to Relobj*.
 121         (Output_data_got::add_local_plt): Likewise.
 122         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 123         change rel_dyn to Output_data_reloc_generic*.  Use
 124         add_local_generic.
 125         (Output_data_got::add_local_with_rela): Remove.  Change all
 126         callers to use all_local_with_rel.
 127         (Output_data_got::add_local_pair_with_rel): Change object to
 128         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 129         add_output_section_generic.
 130         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 131         callers to use add_local_pair_with_rel.
 132         (Output_data_got::reserve_local): Change object to Relobj*.
 133         * output.h: (class Output_data_reloc_generic): Add pure virtual
 134         declarations for add_global_generic, add_local_generic,
 135         add_output_section_generic.
 136         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 137         functions for Output_data_reloc_generic.  Update declarations for
 138         changes listed in output.cc.
 139         (class Output_data_got): Change template parameter to got_size.
 140         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 141         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 142         function.
 143         (Sized_relobj_incr::do_local_plt_offset): New function.
 144         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 145         add_global_generic.
 146
 147 2011-12-17  Cary Coutant  <ccoutant@google.com>
 148
 149         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 150         * resolve.cc (Symbol_table::resolve): Likewise.
 151         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 152         arrays.
 153         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 154
 155 2011-12-16  Ian Lance Taylor  <iant@google.com>
 156
 157         * output.h (Output_data_reloc_generic::add): Only call
 158         add_dynamic_reloc if this is a dynamic reloc section.
 159
 160 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 161
 162         PR gold/13505
 163         * target-reloc.h (apply_relocation): Replace <64, false> with
 164         <size, big_endian>.
 165
 166 2011-11-25  Nick Clifton  <nickc@redhat.com>
 167
 168         * po/it.po: New Italian translation.
 169
 170 2011-11-17  Sterling Augustine  <saugustine@google.com>
 171
 172         * script.cc (script_include_directive): Implement.
 173         (read_script_file): New local variables name and search_path. Update
 174         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 175         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 176         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 177
 178 2011-11-11  Sterling Augustine  <saugustine@google.com>
 179
 180         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 181         (file_or_sections_cmd): Likewise.
 182
 183 2011-11-11  Doug Kwan  <dougkwan@google.com>
 184
 185         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 186         if --just-symbols is given.
 187
 188 2011-11-10  Doug Kwan  <dougkwan@google.com>
 189
 190         PR gold/13362
 191         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 192         when processing data relocs.
 193         * reloc.h (Relocate_functions::rel_unaligned): New method.
 194         (Relocate_functions::pcrel_unaligned): Ditto.
 195         (Relocate_functions::rel32_unaligned): Ditto.
 196         (Relocate_functions::pcrel32_unaligned): Ditto.
 197
 198 2011-11-09  Doug Kwan  <dougkwan@google.com>
 199
 200         PR gold/13362
 201         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 202         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 203         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 204         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 205         (Relocate_functions::rel_unaligned): New.
 206         (Relocate_functions::rel32_unaligned): New.
 207         * target-reloc.h (relocate_for_relocatable): Add code to handle
 208         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 209         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 210         arm_unaligned_reloc_r): New targets.
 211         * testsuite/Makefile.in: Regenerate.
 212         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 213         linking.
 214
 215 2011-11-02  Ian Lance Taylor  <iant@google.com>
 216
 217         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 218         NATIVE_LINKER.
 219         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 220         * options.cc (General_options::finalize): Use library search path
 221         from configure script if specified.  If not native and no sysroot,
 222         only search TOOLLIBDIR.
 223         * options.h (Search_directory::Search_directory): Change name to
 224         const std::string&.
 225         (General_options::add_to_library_path_with_sysroot): Change arg to
 226         const std::string&.
 227         * configure, Makefile.in, config.in: Rebuild.
 228
 229 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 230
 231         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 232         we are working around the ARM1176 Erratum.
 233         * options.h (General_options::fix_arm1176): Add option.
 234         * testsuite/Makefile.am: Add testcases, and keep current ones
 235         working.
 236         * testsuite/Makefile.in: Regenerate.
 237         * testsuite/arm_fix_1176.s: New file.
 238         * testsuite/arm_fix_1176.sh: Likewise.
 239
 240 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 241
 242         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 243         may_use_blx_.
 244         (Target_arm::may_use_blx): Remove method.
 245         (Target_arm::set_may_use_blx): Likewise.
 246         (Target_arm::may_use_v4t_interworking): New method.
 247         (Target_arm::may_use_v5t_interworking): Likewise.
 248         (Target_arm::may_use_blx_): Remove member variable.
 249         (Arm_relocate_functions::arm_branch_common): Check for v5T
 250         interworking.
 251         (Arm_relocate_functions::thumb_branch_common): Likewise.
 252         (Reloc_stub::stub_type_for_reloc): Likewise.
 253         (Target_arm::do_finalize_sections): Correct interworking checks.
 254         * testsuite/Makefile.am: Add new tests.
 255         * testsuite/Makefile.in: Regenerate.
 256         * testsuite/arm_farcall_arm_arm.s: New test.
 257         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 258         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 259         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 260         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 261         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 262         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 263         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 264
 265 2011-10-31  Cary Coutant  <ccoutant@google.com>
 266
 267         PR gold/13023
 268         * expression.cc (Expression::eval_with_dot): Add
 269         is_section_dot_assignment parameter.
 270         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 271         absolute and assigning to dot within a section.
 272         * script-sections.cc
 273         (Output_section_element_assignment::set_section_addresses): Pass
 274         dot_section to set_if_absolute.
 275         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 276         as is_section_dot_assignment flag to eval_with_dot.
 277         (Output_section_element_dot_assignment::set_section_addresses):
 278         Likewise.
 279         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 280         parameter.  Also set value if relative to dot_section; set the
 281         symbol's output_section.
 282         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 283         parameter.  Adjust all callers.
 284         (Expression::eval_maybe_dot): Likewise.
 285         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 286         Adjust all callers.
 287         * testsuite/script_test_2.t: Test assignment of an absolute value
 288         to dot within an output section element.
 289
 290 2011-10-31  Cary Coutant  <ccoutant@google.com>
 291
 292         * options.h (class General_options): Add --[no-]gnu-unique options.
 293         * symtab.cc (Symbol_table::sized_write_globals): Convert
 294         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 295
 296 2011-10-31  Cary Coutant  <ccoutant@google.com>
 297
 298         PR gold/13359
 299         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 300         unnecessary assertion.
 301         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 302
 303 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 304
 305         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 306         gc_mark_symbol.
 307         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 308         gc_mark_symbol.
 309         Change to just keep the section associated with symbol.
 310         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 311         they are externally visible and --export-dynamic is turned on.
 312         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 313
 314 2011-10-19  Ian Lance Taylor  <iant@google.com>
 315
 316         PR gold/13163
 317         * script-sections.cc
 318         (Output_section_element_dot_assignment::needs_output_section): New
 319         function.
 320
 321 2011-10-19  Ian Lance Taylor  <iant@google.com>
 322
 323         PR gold/13204
 324         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 325         --section-start option was seen.
 326         * options.h (General_options::any_section_start): New function.
 327
 328 2011-10-18  David S. Miller  <davem@davemloft.net>
 329
 330         PR binutils/13301
 331         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 332         member to track relocation locations that have moved during TLS
 333         reloc optimizations.
 334         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 335         (Target_sparc::Relocate::relocate): Adjust view down by 4
 336         bytes if it matches reloc_adjust_addr_.
 337         (Target_sparc::Relocate::relocate_tls): Always move the
 338         __tls_get_addr call delay slot instruction forward 4 bytes when
 339         performing relaxation.
 340
 341 2011-10-18  Cary Coutant  <ccoutant@google.com>
 342
 343         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 344         (Output_file::map_no_anonymous): Check for non-zero
 345         return code from posix_fallocate.
 346
 347 2011-10-17  Cary Coutant  <ccoutant@google.com>
 348
 349         PR gold/13245
 350         * plugin.cc (is_visible_from_outside): Check for symbols
 351         referenced from dynamic objects.
 352         * resolve.cc (Symbol_table::resolve): Don't count references
 353         from dynamic objects as references from real ELF files.
 354         * testsuite/plugin_test_2.sh: Adjust expected result.
 355
 356 2011-10-17  Cary Coutant  <ccoutant@google.com>
 357
 358         * gold.cc: Include timer.h.
 359         (queue_middle_tasks): Stamp time.
 360         (queue_final_tasks): Likewise.
 361         * main.cc (main): Store timer in parameters.  Print timers
 362         for each pass.
 363         * parameters.cc (Parameters::Parameters): Initialize timer_.
 364         (Parameters::set_timer): New function.
 365         (set_parameters_timer): New function.
 366         * parameters.h (Parameters::set_timer): New function.
 367         (Parameters::timer): New function.
 368         (Parameters::timer_): New data member.
 369         (set_parameters_timer): New function.
 370         * timer.cc (Timer::stamp): New function.
 371         (Timer::get_pass_time): New function.
 372         * timer.h (Timer::stamp): New function.
 373         (Timer::get_pass_time): New function.
 374         (Timer::pass_times_): New data member.
 375
 376 2011-10-17  Cary Coutant  <ccoutant@google.com>
 377
 378         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 379         task for members of lib groups.
 380
 381 2011-10-17  Cary Coutant  <ccoutant@google.com>
 382
 383         PR gold/13288
 384         * fileread.cc (File_read::find_view): Add assert.
 385         (File_read::make_view): Move bounds check (replace with assert)...
 386         (File_read::find_or_make_view): ... to here.
 387
 388 2011-10-12  Cary Coutant  <ccoutant@google.com>
 389
 390         * output.cc (Output_file::open_base_file): Handle case where
 391         ::read returns less than requested size.
 392
 393 2011-10-10  Cary Coutant  <ccoutant@google.com>
 394
 395         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 396         Initialize defined_count_.
 397         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 398         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 399         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 400         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 401         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 402         * incremental.h (Sized_relobj_incr::defined_count_): New data
 403         member.
 404         (Sized_incr_dynobj::defined_count_): New data member.
 405         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 406         Return zeroes instead of internal error.
 407
 408 2011-10-10  Cary Coutant  <ccoutant@google.com>
 409
 410         PR gold/13249
 411         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 412         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 413         * output.h (class Output_reloc): Add use_plt_offset flag.
 414         (Output_reloc::type_): Adjust size of bit field.
 415         (Output_reloc::use_plt_offset_): New bit field.
 416         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 417         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 418         flag.  Adjust all callers.
 419         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 420         creating RELATIVE relocations.
 421
 422 2011-10-10  Nick Clifton  <nickc@redhat.com>
 423
 424         * po/es.po: Updated Spanish translation.
 425         * po/fi.po: Updated Finnish translation.
 426
 427 2011-10-03   Diego Novillo  <dnovillo@google.com>
 428
 429         * options.cc (parse_uint): Fix dereference of RETVAL.
 430
 431 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 432
 433         * layout.h (section_order_map_): New member.
 434         (get_section_order_map): New member function.
 435         * output.cc (Output_section::add_input_section): Check for patterns
 436         only when --section-ordering-file is specified.
 437         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 438         output_sections have been formed.
 439         * layout.cc (Layout_Layout): Initialize section_order_map_.
 440         * plugin.cc (update_section_order): Store order in order_map. Do not
 441         update the order.
 442         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 443         * testsuite/Makefile.in: Regenerate.
 444         * testsuite/plugin_section_order.c: New file.
 445         * testsuite/plugin_final_layout.cc: New file.
 446         * testsuite/plugin_final_layout.sh: New file.
 447
 448 2011-09-29  Cary Coutant  <ccoutant@google.com>
 449
 450         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 451         Check for NULL.
 452         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 453         symbols during incremental update.
 454         (Symbol_table::add_from_dynobj): Likewise.
 455
 456 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 457             Ian Lance Taylor  <iant@google.com>
 458
 459         * symtab.cc (Symbol_table::define_special_symbol): Always
 460         canonicalize version string.
 461
 462 2011-09-26  Cary Coutant  <ccoutant@google.com>
 463
 464         * gold.cc (queue_initial_tasks): Move option checks ...
 465         * options.cc (General_options::finalize): ... to here. Disable
 466         some options; make others fatal.
 467
 468 2011-09-26  Cary Coutant  <ccoutant@google.com>
 469
 470         gcc PR lto/47247
 471         * plugin.cc (get_symbols_v2): New function.
 472         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 473         (is_referenced_from_outside): New function.
 474         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 475         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 476         (get_symbols): Pass version parameter.
 477         (get_symbols_v2): New function.
 478         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 479         parameter.
 480         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 481         (onload): Add LDPT_GET_SYMBOLS_V2.
 482         (all_symbols_read_hook): Use get_symbols_v2; check for
 483         LDPR_PREVAILING_DEF_IRONLY_EXP.
 484         * testsuite/plugin_test_3.sh: Update expected results.
 485
 486 2011-09-23  Simon Baldwin  <simonb@google.com>
 487
 488         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 489         configuration options.
 490         * configure: Regenerate.
 491         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 492         * Makefile.in: Regenerate.
 493         * testsuite/Makefile.in: Regenerate.
 494
 495 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 496
 497         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 498
 499 2011-09-19  Cary Coutant  <ccoutant@google.com>
 500
 501         * incremental.cc (can_incremental_update): Fix typo in comment.
 502         * incremental.h (can_incremental_update): Likewise.
 503
 504 2011-09-18  Cary Coutant  <ccoutant@google.com>
 505
 506         * incremental.cc (can_incremental_update): New function.
 507         * incremental.h (can_incremental_update): New function.
 508         * layout.cc (Layout::init_fixed_output_section): Call it.
 509         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 510         * object.cc (Sized_relobj_file::do_layout): Call
 511         can_incremental_update.
 512
 513 2011-09-13  Cary Coutant  <ccoutant@google.com>
 514
 515         * configure.ac: Check for glibc support for gnu_indirect_function
 516         support with static linking, setting automake conditional
 517         IFUNC_STATIC.
 518         * Makefile.in: Regenerate.
 519         * configure: Regenerate.
 520
 521         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 522         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 523         for IFUNC_STATIC.
 524         * testsuite/Makefile.in: Regenerate.
 525
 526 2011-09-13  Cary Coutant  <ccoutant@google.com>
 527
 528         * incremental.cc (Sized_relobj_incr::do_layout): Call
 529         report_comdat_group for kept comdat sections.
 530         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 531         * testsuite/Makefile.in: Regenerate.
 532         * testsuite/incr_comdat_test_1.cc: New source file.
 533         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 534         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 535         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 536
 537 2011-09-13  Ian Lance Taylor  <iant@google.com>
 538
 539         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 540         variable external_symbols_offset.
 541
 542 2011-09-12  Ian Lance Taylor  <iant@google.com>
 543
 544         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 545         triggered if object has no symbols.
 546
 547 2011-09-09  David S. Miller  <davem@davemloft.net>
 548
 549         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 550         (Output_fill_debug_line::do_write): Likewise.
 551
 552 2011-08-29  Cary Coutant  <ccoutant@google.com>
 553
 554         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 555         casts to match formatting specs.
 556         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 557
 558 2011-08-26  Cary Coutant  <ccoutant@google.com>
 559
 560         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 561         remaining hole size when allocating.
 562         (Layout::make_output_section): Set fill methods for debug sections.
 563         * layout.h (Free_list::Free_list_node): Move from private to
 564         public.
 565         (Free_list::set_min_hole_size): New function.
 566         (Free_list::begin, Free_list::end): New functions.
 567         (Free_list::min_hole_): New data member.
 568         * output.cc: Include dwarf.h.
 569         (Output_fill_debug_info::do_minimum_hole_size): New function.
 570         (Output_fill_debug_info::do_write): New function.
 571         (Output_fill_debug_line::do_minimum_hole_size): New function.
 572         (Output_fill_debug_line::do_write): New function.
 573         (Output_section::Output_section): Initialize new data member.
 574         (Output_section::set_final_data_size): Ensure patch space is larger
 575         than minimum hole size.
 576         (Output_section::do_write): Fill holes in debug sections.
 577         * output.h (Output_fill): New class.
 578         (Output_fill_debug_info): New class.
 579         (Output_fill_debug_line): New class.
 580         (Output_section::set_free_space_fill): New function.
 581         (Output_section::free_space_fill_): New data member.
 582         * testsuite/Makefile.am (incremental_test_3): Add
 583         --incremental-patch option.
 584         (incremental_test_4): Likewise.
 585         (incremental_test_5): Likewise.
 586         (incremental_test_6): Likewise.
 587         (incremental_copy_test): Likewise.
 588         (incremental_common_test_1): Likewise.
 589         * testsuite/Makefile.in: Regenerate.
 590
 591 2011-08-26  Nick Clifton  <nickc@redhat.com>
 592
 593         * po/es.po: Updated Spanish translation.
 594
 595 2011-08-01  Cary Coutant  <ccoutant@google.com>
 596
 597         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 598         * gold/testsuite/Makefile.in: Regenerate.
 599         * gold/testsuite/justsyms_exec.c: New source file.
 600         * gold/testsuite/justsyms_lib.c: New source file.
 601
 602 2011-08-01  Cary Coutant  <ccoutant@google.com>
 603
 604         * layout.cc (Layout::set_segment_offsets): Don't realign text
 605         segment if -Ttext was specified.
 606         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 607         file type.
 608         * object.h (Sized_relobj_file::e_type): New function.
 609         (Sized_relobj_file::e_type_): New data member.
 610         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 611         base address for ET_EXEC files.
 612         * target.cc (Target::do_make_elf_object_implementation): Allow
 613         ET_EXEC files with --just-symbols option.
 614
 615 2011-07-28  Cary Coutant  <ccoutant@google.com>
 616
 617         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 618         Add thread_number parameter.
 619         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 620         * workqueue-threads.cc
 621         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 622         current thread if its thread number is greater than desired thread
 623         count.
 624         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 625         Add thread_number parameter.
 626         (Workqueue::should_cancel_thread): Likewise.
 627         (Workqueue::find_runnable_or_wait): Pass thread_number to
 628         should_cancel_thread.
 629         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 630         parameter.
 631
 632 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 633
 634         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 635         only after checking if it cannot be forced local.
 636         * symtab.h (is_externally_visible): Check if the symbol is not forced
 637         local.
 638
 639 2011-07-15  Ian Lance Taylor  <iant@google.com>
 640
 641         * options.h (class General_options): Add --print-output-format.
 642         Move -EL next to -EB, for  better --help output.
 643         * target-select.cc: Include <cstdio>, "options.h", and
 644         "parameters.h".
 645         (Target_selector::do_target_bfd_name): New function.
 646         (print_output_format): New function.
 647         * target-select.h (class Target_selector): Update declarations.
 648         (Target_selector::target_bfd_name): New function.
 649         (print_output_format): Declare.
 650         * main.cc: Include "target-select.h".
 651         (main): Handle --print-output-format.
 652         * gold.cc: Include "target-select.h".
 653         (queue_initial_tasks): Handle --print-output-format when there are
 654         no input files.
 655         * parameters.cc (parameters_force_valid_target): Give a better
 656         error message if -EB/-EL does not match target.
 657         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 658         function.
 659
 660 2011-07-15  Ian Lance Taylor  <iant@google.com>
 661
 662         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 663         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 664         (Output_data_plt_i386::do_write): Write address of .dynamic
 665         section to first entry in .got.plt section.
 666         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 667         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 668         Initialize layout_.
 669         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 670         section to first entry in .got.plt section.
 671         * layout.h (Layout::dynamic_section): New function.
 672
 673 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 674
 675         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 676         to claim_file call.
 677         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 678         input_section_position_, and input_section_glob_.
 679         (read_layout_from_file): Call function section_ordering_specified.
 680         * layout.h (is_section_ordering_specified): New function.
 681         (section_ordering_specified): New function.
 682         (section_ordering_specified_): New boolean member.
 683         * main.cc(main): Call load_plugins after layout object is defined.
 684         * output.cc (Output_section::add_input_section): Use
 685         function section_ordering_specified to check if section ordering is
 686         needed.
 687         * output.cc (Output_section::add_relaxed_input_section): Use
 688         function section_ordering_specified to check if section ordering is
 689         needed.
 690         (Output_section::update_section_layout): New function.
 691         (Output_section::sort_attached_input_sections): Check if input section
 692         must be reordered.
 693         * output.h (Output_section::update_section_layout): New function.
 694         * plugin.cc (get_section_count): New function.
 695         (get_section_type): New function.
 696         (get_section_name): New function.
 697         (get_section_contents): New function.
 698         (update_section_order): New function.
 699         (allow_section_ordering): New function.
 700         (Plugin::load): Add the new interfaces to the transfer vector.
 701         (Plugin_manager::load_plugins): New parameter.
 702         (Plugin_manager::all_symbols_read): New parameter.
 703         (Plugin_manager::claim_file): New parameter. Save the elf object for
 704         unclaimed objects.
 705         (Plugin_manager::get_elf_object): New function.
 706         (Plugin_manager::get_view): Change to directly use the bool to check
 707         if get_view is called from claim_file_hook.
 708         * plugin.h (input_objects): New function
 709         (Plugin__manager::load_plugins): New parameter.
 710         (Plugin_manager::claim_file): New parameter.
 711         (Plugin_manager::get_elf_object): New function.
 712         (Plugin_manager::in_claim_file_handler): New function.
 713         (Plugin_manager::in_claim_file_handler_): New member.
 714         (layout): New function.
 715         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 716         handler with an extra parameter. Make the elf object before calling
 717         claim_file handler.
 718         * testsuite/plugin_test.c (get_section_count): New function pointer.
 719         (get_section_type): New function pointer.
 720         (get_section_name): New function pointer.
 721         (get_section_contents): New function pointer.
 722         (update_section_order): New function pointer.
 723         (allow_section_ordering): New function pointer.
 724         (onload): Check if the new interfaces exist.
 725
 726 2011-07-13  Ian Lance Taylor  <iant@google.com>
 727
 728         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 729         relro section.
 730         * x86_64.cc (Target_x86_64::got_section): Likewise.
 731         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 732         (relro_now_test_SOURCES): New variable.
 733         (relro_now_test_DEPENDENCIES): New variable.
 734         (relro_now_test_LDFLAGS): New variable.
 735         (relro_now_test_LDADD): New variable.
 736         (relro_now_test.so): New target.
 737         * testsuite/Makefile.in: Rebuild.
 738
 739 2011-07-12  Ian Lance Taylor  <iant@google.com>
 740
 741         PR gold/12980
 742         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 743         GLOB_DAT relocation rather than a RELATIVE relocation for a
 744         protected symbol when creating a shared library.
 745         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 746         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 747         * testsuite/protected_main_1.cc (main): Test that protected
 748         function has same address.
 749
 750 2011-07-11  Ian Lance Taylor  <iant@google.com>
 751
 752         PR gold/12979
 753         * options.h (class General_options): Add -Bgroup.
 754         * options.cc (General_options::finalize): If -Bgroup is set,
 755         default to --unresolved-symbols=report-all.
 756         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 757         * target-reloc.h (issue_undefined_symbol_error): Handle
 758         --unresolved-symbols=report-all.
 759
 760 2011-07-08  Ian Lance Taylor  <iant@google.com>
 761
 762         PR gold/11985
 763         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 764         if linker script discards key sections.
 765         (Layout::create_dynamic_symtab): Likewise.
 766         (Layout::assign_local_dynsym_offsets): Likewise.
 767         (Layout::sized_create_version_sections): Likewise.
 768         (Layout::create_interp): Likewise.
 769         (Layout::finish_dynamic_section): Likewise.
 770         (Layout::set_dynamic_symbol_size): Likewise.
 771
 772 2011-07-08  Ian Lance Taylor  <iant@google.com>
 773
 774         PR gold/12386
 775         * options.h (class General_options): Add --unresolved-symbols.
 776         * target-reloc.h (issue_undefined_symbol_error): Check
 777         --unresolved-symbols.  Add comments.
 778
 779 2011-07-08  Ian Lance Taylor  <iant@google.com>
 780
 781         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 782         expression more complex.
 783
 784 2011-07-08  Ian Lance Taylor  <iant@google.com>
 785
 786         PR gold/11317
 787         * target-reloc.h (issue_undefined_symbol_error): New inline
 788         function, broken out of relocate_section.
 789         (relocate_section): Call issue_undefined_symbol_error.
 790         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 791         there is no TLS segment if we are about to issue an undefined
 792         symbol error.
 793         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 794
 795 2011-07-08  Ian Lance Taylor  <iant@google.com>
 796
 797         PR gold/12279
 798         * resolve.cc (Symbol_table::should_override): Add fromtype
 799         parameter.  Change all callers.  Give error when linking together
 800         TLS and non-TLS symbol.
 801         (Symbol_table::should_override_with_special): Add fromtype
 802         parameter.  Change all callers.
 803         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 804         there is no TLS segment if we have reported some errors.
 805         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 806
 807 2011-07-08  Ian Lance Taylor  <iant@google.com>
 808
 809         PR gold/12372
 810         * target.h (Target::plt_address_for_global): New function.
 811         (Target::plt_address_for_local): New function.
 812         (Target::plt_section_for_global): Remove.
 813         (Target::plt_section_for_local): Remove.
 814         (Target::do_plt_address_for_global): New virtual function.
 815         (Target::do_plt_address_for_local): New virtual function.
 816         (Target::do_plt_section_for_global): Remove.
 817         (Target::do_plt_section_for_local): Remove.
 818         (Target::register_global_plt_entry): Add Symbol_table and Layout
 819         parameters.
 820         * output.cc (Output_data_got::Got_entry::write): Use
 821         plt_address_for_global and plt_address_for_local.
 822         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 823         address of output section.
 824         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 825         got_irelative_, and irelative_count_ fields.  Update
 826         declarations.
 827         (Output_data_plt_i386::has_irelative_section): New function.
 828         (Output_data_plt_i386::entry_count): Add irelative_count_.
 829         (Output_data_plt_i386::set_final_data_size): Likewise.
 830         (class Target_i386): Add got_irelative_ and rel_irelative_
 831         fields.  Update declarations.
 832         (Target_i386::Target_i386): Initialize new fields.
 833         (Target_i386::do_plt_address_for_global): New function replacing
 834         do_plt_section_for_global.
 835         (Target_i386::do_plt_address_for_local): New function replacing
 836         do_plt_section_for_local.
 837         (Target_i386::got_section): Create got_irelative_.
 838         (Target_i386::rel_irelative_section): New function.
 839         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 840         fields.  Don't define __rel_iplt_{start,end}.
 841         (Output_data_plt_i386::add_entry): Add symtab and layout
 842         parameters.  Change all callers.  Use different PLT and GOT for
 843         IFUNC symbols.
 844         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 845         layout parameters.  Change all callers.  Use different PLT and
 846         GOT.
 847         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 848         (Output_data_plt_i386::rel_irelative): New function.
 849         (Output_data_plt_i386::address_for_global): New function.
 850         (Output_data_plt_i386::address_for_local): New function.
 851         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 852         IRELATIVE GOT when changing IFUNC GOT entries.
 853         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 854         reloc.
 855         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 856         if we didn't create an IRELATIVE GOT.
 857         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 858         plt_address_for_local.
 859         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 860         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 861         got_irelative_, and irelative_count_ fields.  Update
 862         declarations.
 863         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 864         Initialize new fields.  Remove symtab parameter.  Change all
 865         callers.
 866         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 867         irelative_count_.
 868         (Output_data_plt_x86_64::has_irelative_section): New function.
 869         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 870         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 871         fields.  Update declarations.
 872         (Target_x86_64::Target_x86_64): Initialize new fields.
 873         (Target_x86_64::do_plt_address_for_global): New function replacing
 874         do_plt_section_for_global.
 875         (Target_x86_64::do_plt_address_for_local): New function replacing
 876         do_plt_section_for_local.
 877         (Target_x86_64::got_section): Create got_irelative_.
 878         (Target_x86_64::rela_irelative_section): New function.
 879         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 880         all callers.  Don't create __rel_iplt_{start,end}.
 881         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 882         parameters.  Change all callers.  Use different PLT and GOT for
 883         IFUNC symbols.
 884         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 885         layout parameters.  Change all callers.  Use different PLT and
 886         GOT.
 887         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 888         parameters.  Change all callers.  Use different PLT and GOT for
 889         IFUNC symbols.
 890         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 891         (Output_data_plt_x86_64::rela_irelative): New function.
 892         (Output_data_plt_x86_64::address_for_global): New function.
 893         (Output_data_plt_x86_64::address_for_local): New function.
 894         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 895         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 896         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 897         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 898         parameters.
 899         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 900         reloc.
 901         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 902         symbols if we didn't create an IRELATIVE GOT.
 903         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 904         plt_address_for_local.
 905         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 906         * testsuite/ifuncvar1.c: New test file.
 907         * testsuite/ifuncvar2.c: New test file.
 908         * testsuite/ifuncvar3.c: New test file.
 909         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 910         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 911         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 912         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 913         * testsuite/Makefile.in: Rebuild.
 914
 915 2011-07-07  Cary Coutant  <ccoutant@google.com>
 916
 917         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 918         (two_file_test_1_ndebug.o): Likewise.
 919         (two_file_test_1b_ndebug.o): Likewise.
 920         (two_file_test_2_ndebug.o): Likewise.
 921         (two_file_test_main_ndebug.o): Likewise.
 922         (incremental_test_2): Link with no-debug versions.
 923
 924 2011-07-06  Cary Coutant  <ccoutant@google.com>
 925
 926         * gold/incremental.cc
 927         (Output_section_incremental_inputs::write_info_blocks): Check for
 928         hidden and internal symbols.
 929
 930 2011-07-06  Cary Coutant  <ccoutant@google.com>
 931
 932         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 933         Check disposition for startup file.
 934         (Incremental_inputs::report_command_line): Ignore
 935         --incremental-startup-unchanged option.
 936         * options.cc (General_options::parse_incremental_startup_unchanged):
 937         New function.
 938         (General_options::General_options): Initialize new data member.
 939         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 940         (General_options): Add --incremental-startup-unchanged option.
 941         (General_options::incremental_startup_disposition): New function.
 942         (General_options::incremental_startup_disposition_): New data member.
 943
 944 2011-07-06  Cary Coutant  <ccoutant@google.com>
 945
 946         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 947         input file index to Script_info ctor.
 948         (Sized_incremental_binary::do_file_has_changed): Find the
 949         command-line argument for files named in scripts.
 950         * incremental.h (Script_info::Script_info): New ctor
 951         with input file index.
 952         (Script_info::input_file_index): New function.
 953         (Script_info::input_file_index_): New data member.
 954         (Incremental_binary::get_library): Add const.
 955         (Incremental_binary::get_script_info): Add const.
 956         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 957         * testsuite/Makefile.am (incremental_test_5): New test case.
 958         (incremental_test_6): New test case.
 959         * testsuite/Makefile.in: Regenerate.
 960
 961 2011-07-06  Cary Coutant  <ccoutant@google.com>
 962
 963         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 964         debug output when command lines differ.
 965
 966 2011-07-06  Cary Coutant  <ccoutant@google.com>
 967
 968         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 969         --incremental-patch option.
 970         * layout.cc (Free_list::allocate): Extend allocation beyond original
 971         end if enabled.
 972         (Layout::make_output_section): Mark sections that should get
 973         patch space.
 974         * options.cc (parse_percent): New function.
 975         * options.h (parse_percent): New function.
 976         (DEFINE_percent): New macro.
 977         (General_options): Add --incremental-patch option.
 978         * output.cc (Output_section::Output_section): Initialize new data
 979         members.
 980         (Output_section::add_input_section): Print section name when out
 981         of patch space.
 982         (Output_section::add_output_section_data): Likewise.
 983         (Output_section::set_final_data_size): Add patch space when
 984         doing --incremental-full.
 985         (Output_section::do_reset_address_and_file_offset): Remove patch
 986         space.
 987         (Output_segment::set_section_list_addresses): Print debug output
 988         only if --incremental-update.
 989         * output.h (Output_section::set_is_patch_space_allowed): New function.
 990         (Output_section::is_patch_space_allowed_): New data member.
 991         (Output_section::patch_space_): New data member.
 992         * parameters.cc (Parameters::incremental_full): New function.
 993         * parameters.h (Parameters::incremental_full): New function
 994         * testsuite/Makefile.am (incremental_test_2): Add test for
 995         --incremental-patch option.
 996         * testsuite/Makefile.in: Regenerate.
 997         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 998         (t18): Remove function body.
 999
1000 2011-07-05  Doug Kwan  <dougkwan@google.com>
1001
1002         PR gold/12771
1003         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1004         Arm_Address type for relocation result.
1005         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1006         overflow check.
1007         (Arm_relocate_functions::abs32): Use unaligned access.
1008         (Arm_relocate_functions::rel32): Ditto.
1009         (Arm_relocate_functions::prel31): Ditto.
1010         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1011         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1012         static data relocations.
1013         * testsuite/Makefile.in: Regnerate.
1014         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1015
1016 2011-07-05  Ian Lance Taylor  <iant@google.com>
1017
1018         PR gold/12392
1019         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1020         symbols if necessary.
1021         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1022
1023 2011-07-05  Ian Lance Taylor  <iant@google.com>
1024
1025         PR gold/12952
1026         * resolve.cc (Symbol::override_base_with_special): Simply override
1027         version with special symbol version, ignoring previous version.
1028
1029 2011-07-05  Ian Lance Taylor  <iant@google.com>
1030
1031         * object.cc (Sized_relobj_file::include_section_group): Add
1032         information to comment about signature location.
1033
1034 2011-07-02  Ian Lance Taylor  <iant@google.com>
1035
1036         PR gold/12957
1037         * options.h (class General_options): Add -f and -F.
1038         * options.cc (General_options::finalize): Fatal error if -f/-F
1039         are used without -shared.
1040         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1041
1042 2011-07-02  Ian Lance Taylor  <iant@google.com>
1043
1044         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1045
1046 2011-07-01  Ian Lance Taylor  <iant@google.com>
1047
1048         PR gold/12525
1049         PR gold/12952
1050         * resolve.cc (Symbol::override_base_with_special): Don't override
1051         the version if the overriding symbol has a different name.
1052         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1053         all callers.  If we give an error about an undefined version,
1054         define the base version if necessary.
1055         * dynobj.h (class Versions): Update declaration.
1056         * testsuite/weak_alias_test_5.cc: New file.
1057         * testsuite/weak_alias_test.script: New file.
1058         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1059         and versioned_alias have the right value, and call t2.
1060         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1061         weak_alias_test_5.so.
1062         (weak_alias_test_LDADD): Likewise.
1063         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1064         * testsuite/Makefile.in: Rebuild.
1065
1066 2011-07-01  Ian Lance Taylor  <iant@google.com>
1067
1068         PR gold/12525
1069         * options.h (class General_options): Support -z notext.
1070         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1071         -Wl,-z,notext.
1072         (two_file_shared_nonpic.so): Likewise.
1073         (two_file_shared_mixed.so): Likewise.
1074         (two_file_shared_mixed_1.so): Likewise.
1075         (weak_undef_lib_nonpic.so): Likewise.
1076         (alt/weak_undef_lib_nonpic.so): Likewise.
1077         (tls_test_shared_nonpic.so): Likewise.
1078         * testsuite/Makefile.in: Rebuild.
1079
1080 2011-07-01  Ian Lance Taylor  <iant@google.com>
1081
1082         PR gold/12525
1083         * configure.ac: Test whether static linking works, setting
1084         the automake conditional HAVE_STATIC.
1085         * testsuite/Makefile.am: Disable tests using -static if
1086         HAVE_STATIC is not true.
1087         * configure, testsuite/Makefile.in: Rebuild.
1088
1089 2011-07-01  Ian Lance Taylor  <iant@google.com>
1090
1091         PR gold/12525
1092         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1093         Assert if we see DW_EH_PE_indirect.
1094         * target.h (Target::ehframe_datarel_base): New function.
1095         (Target::do_ehframe_datarel_base): New target function.
1096         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1097         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1098         function.
1099
1100 2011-07-01  Ian Lance Taylor  <iant@google.com>
1101
1102         PR gold/12571
1103         * options.h (class General_options): Add
1104         --ld-generated-unwind-info.
1105         * ehframe.cc (Fde::write): Add address parameter.  Change all
1106         callers.  If associated with PLT, fill in address and size.
1107         (Cie::set_output_offset): Only add merge mapping if there is an
1108         object.
1109         (Cie::write): Add address parameter.  Change all callers.
1110         (Eh_frame::add_ehframe_for_plt): New function.
1111         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1112         input_offset_ fields into union u_, with new plt field.
1113         (Fde::Fde): Adjust for new union field.
1114         (Fde::Fde) [Output_data version]: New constructor.
1115         (Fde::add_mapping): Only add merge mapping if there is an object.
1116         (class Cie): Update declarations.
1117         (class Eh_frame): Declare add_ehframe_for_plt.
1118         * layout.cc (Layout::layout_eh_frame): Break out code into
1119         make_eh_frame_section, and call it.
1120         (Layout::make_eh_frame_section): New function.
1121         (Layout::add_eh_frame_for_plt): New function.
1122         * layout.h (class Layout): Update declarations.
1123         * merge.cc (Merge_map::add_mapping): Add assertion.
1124         * i386.cc: Include "dwarf.h".
1125         (class Output_data_plt_i386): Make first_plt_entry,
1126         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1127         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1128         and plt_eh_frame_fde.
1129         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1130         boundary.  Call add_eh_frame_for_plt if appropriate.
1131         * x86_64.cc: Include "dwarf.h".
1132         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1133         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1134         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1135         and plt_eh_frame_fde.
1136         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1137         appropriate.
1138
1139 2011-06-29  Ian Lance Taylor  <iant@google.com>
1140
1141         PR gold/12629
1142         * object.cc (Sized_relobj_file::layout_section): Change shdr
1143         parameter to be const.
1144         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1145         out of do_layout.
1146         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1147         appropriate.  Call layout_eh_frame_section.
1148         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1149         sections.
1150         * object.h (class Sized_relobj_file): Update declarations.
1151
1152 2011-06-29  Ian Lance Taylor  <iant@google.com>
1153
1154         PR gold/12652
1155         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1156         modifier.
1157         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1158
1159 2011-06-29  Ian Lance Taylor  <iant@google.com>
1160
1161         PR gold/12675
1162         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1163         SHT_X86_64_UNWIND.
1164         * layout.cc (Layout::layout_eh_frame): Likewise.
1165
1166 2011-06-29  Ian Lance Taylor  <iant@google.com>
1167
1168         PR gold/12695
1169         * layout.cc (Layout::symtab_section_shndx): New function.
1170         * layout.h (class Layout): Declare symtab_section_shndx.
1171         * output.cc (Output_section::write_header): Call it.
1172
1173 2011-06-29  Ian Lance Taylor  <iant@google.com>
1174
1175         PR gold/12818
1176         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1177         symbols which are not used in a relocation.
1178
1179 2011-06-28  Ian Lance Taylor  <iant@google.com>
1180
1181         PR gold/12898
1182         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1183         script create indistinguishable segments.
1184         (Layout::set_segment_offsets): Use stable_sort when sorting
1185         segments.  Pass this to Compare_segments constructor.
1186         * layout.h (class Layout): Make segment_precedes non-static.
1187         (class Compare_segments): Change from struct to class.  Add
1188         layout_ field.  Add constructor.
1189         * script-sections.cc
1190         (Script_sections::attach_sections_using_phdrs_clause): Rename
1191         local orphan to is_orphan.  Don't report failure to put empty
1192         section in segment.  On attachment failure, report name of
1193         section, and attach to first PT_LOAD segment.
1194
1195 2011-06-28  Ian Lance Taylor  <iant@google.com>
1196
1197         PR gold/12934
1198         * target-select.cc (Target_selector::Target_selector): Add
1199         emulation parameter.  Change all callers.
1200         (select_target_by_bfd_name): Rename from select_target_by_name.
1201         Change all callers.
1202         (select_target_by_emulation): New function.
1203         (supported_emulation_names): New function.
1204         * target-select.h (class Target_selector): Add emulation_ field.
1205         Update declarations.
1206         (Target_selector::recognize_by_bfd_name): Rename from
1207         recognize_by_name.  Change all callers.
1208         (Target_selector::supported_bfd_names): Rename from
1209         supported_names.  Change all callers.
1210         (Target_selector::recognize_by_emulation): New function.
1211         (Target_selector::supported_emulations): New function.
1212         (Target_selector::emulation): New function.
1213         (Target_selector::do_recognize_by_bfd_name): Rename from
1214         do_recognize_by_name.  Change all callers.
1215         (Target_selector::do_supported_bfd_names): Rename from
1216         do_supported_names.  Change all callers.
1217         (Target_selector::do_recognize_by_emulation): New function.
1218         (Target_selector::do_supported_emulations): New function.
1219         (select_target_by_bfd_name): Change name in declaration.
1220         (select_target_by_emulation): Declare.
1221         (supported_emulation_names): Declare.
1222         * parameters.cc (parameters_force_valid_target): Try to find
1223         target based on emulation from -m option.
1224         * options.h (class General_options): Change doc string for -m.
1225         * options.cc (help): Print emulations.
1226         (General_options::parse_V): Likewise.
1227         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1228         Add emulation parameter.  Change all callers.
1229
1230 2011-06-28  Ian Lance Taylor  <iant@google.com>
1231
1232         * target.h (class Target): Add osabi_ field.
1233         (Target::osabi): New function.
1234         (Target::set_osabi): New function.
1235         (Target::Target): Initialize osabi_.
1236         (Target::do_adjust_elf_header): Make pure virtual.
1237         (Sized_target::do_adjust_elf_header): Declare.
1238         * target.cc (Sized_target::do_adjust_elf_header): New function.
1239         (class Sized_target): Instantiate all versions.
1240         * freebsd.h (class Target_freebsd): Remove.
1241         (Target_selector_freebsd::do_recognize): Call set_osabi on
1242         Target.
1243         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1244         (Target_selector_freebsd::set_osabi): Remove.
1245         * i386.cc (class Target_i386): Inherit from Sized_target rather
1246         than Target_freebsd.
1247         * x86_64.cc (class Target_x86_64): Likewise.
1248
1249 2011-06-28  Ian Lance Taylor  <iant@google.com>
1250
1251         * target.h (Target::can_check_for_function_pointers): Rewrite.
1252         Make non-virtual.
1253         (Target::can_icf_inline_merge_sections): Likewise.
1254         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1255         (Target::Target_info): Add can_icf_inline_merge_sections field.
1256         (Target::do_can_check_for_function_pointers): New virtual
1257         function.
1258         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1259         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1260         from can_check_for_function_pointers, move in file.
1261         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1262         section_may_have_icf_unsafe_poineters, move in file.
1263         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1264         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1265         Rename from can_check_for_function_pointers, move in file.
1266         (Target_i386::can_icf_inline_merge_sections): Remove.
1267         (Target_i386::i386_info): Initialize
1268         can_icf_inline_merge_sections.
1269         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1270         Initialize can_icf_inline_merge_sections.
1271         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1272         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1273         Rename from can_check_for_function_pointers, move in file.
1274         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1275         (Target_x86_64::x86_64_info): Initialize
1276         can_icf_inline_merge_sections.
1277         * testsuite/testfile.cc (Target_test::test_target_info):
1278         Likewise.
1279         * icf.cc (get_section_contents): Correct formatting.
1280
1281 2011-06-27  Ian Lance Taylor  <iant@google.com>
1282
1283         * symtab.cc (Symbol::versioned_name): New function.
1284         (Symbol_table::add_to_final_symtab): Use versioned_name when
1285         appropriate.
1286         (Symbol_table::sized_write_symbol): Likewise.
1287         * symtab.h (class Symbol): Declare versioned_name.
1288         * stringpool.h (class Stringpool_template): Add variant of add
1289         which takes a std::basic_string.
1290         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1291         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1292         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1293         (ver_test_12.o): New target.
1294         * testsuite/Makefile.in: Rebuild.
1295
1296 2011-06-27  Doug Kwan  <dougkwan@google.com>
1297
1298         * arm.cc (Arm_relocate_functions::thm_jump8,
1299         Arm_relocate_functions::thm_jump11): Use a wider signed
1300         type to compute offset.
1301         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1302         arm_thm_jump8.
1303         * testsuite/Makefile.in: Regenerate.
1304         * testsuite/arm_branch_in_range.sh: Check test results of
1305         arm_thm_jump11 and arm_thm_jump8.
1306         * testsuite/arm_thm_jump11.s: New test source file.
1307         * testsuite/arm_thm_jump11.t: New linker script.
1308         * testsuite/arm_thm_jump8.s: New test source file.
1309         * testsuite/arm_thm_jump8.t: New linker script.
1310
1311 2011-06-24  Ian Lance Taylor  <iant@google.com>
1312
1313         * layout.cc: Include "object.h".
1314         (ctors_sections_in_init_array): New static variable.
1315         (Layout::is_ctors_in_init_array): New function.
1316         (Layout::layout): Add entry to ctors_sections_in_init_array if
1317         appropriate.
1318         * layout.h (class Layout): Declare is_ctors_in_init_array.
1319         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1320         is_ctors_reverse_view is set.
1321         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1322         all callers.  Set is_ctors_reverse_view field of View_size.
1323         (Sized_relobj_file::reverse_words): New function.
1324         * object.h (Sized_relobj_file::View_size): Add
1325         is_ctors_reverse_view field.
1326         (class Sized_relobj_file): Update declarations.
1327         * testsuite/initpri3.c: New test.
1328         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1329         initpri3b.
1330         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1331         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1332         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1333         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1334         * testsuite/Makefile.in: Rebuild.
1335
1336 2011-06-24  Cary Coutant  <ccoutant@google.com>
1337
1338         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1339         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1340         (debug_msg_cdebug.err): New targets.
1341         * testsuite/Makefile.in: Regenerate.
1342         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1343         Fix checks for link with shared library.
1344
1345 2011-06-24  Doug Kwan  <dougkwan@google.com>
1346
1347         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1348         skip empty text sections.
1349         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1350
1351 2011-06-22  Ian Lance Taylor  <iant@google.com>
1352
1353         PR gold/12910
1354         * options.h (class General_options): Add --ctors-in-init-array.
1355         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1356         friends as SHT_PROGBITS for merging sections.
1357         (Layout::layout): Remove special handling of .init_array and
1358         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1359         and .dtors if ctors_in_init_array.
1360         (Layout::make_output_section): Force correct section types for
1361         .init_array and friends.  Don't sort if doing relocatable link,
1362         Don't sort .ctors and .dtors if ctors_in_init_array.
1363         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1364         (Layout::output_section_name): Add relobj parameter.  Change all
1365         callers.  Handle .ctors. and .dtors. in code rather than table.
1366         Handle .ctors and .dtors if ctors_in_init_array.
1367         (Layout::match_file_name): New function, moved from output.cc.
1368         * layout.h (class Layout): Update declarations.
1369         * output.cc: Include "layout.h".
1370         (Input_section_sort_entry::get_priority): New function.
1371         (Input_section_sort_entry::match_file_name): Just call
1372         Layout::match_file_name.
1373         (Output_section::Input_section_sort_init_fini_compare::operator()):
1374         Handle .ctors and .dtors.  Sort by explicit priority rather than
1375         by name.
1376         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1377         * testsuite/initpri2.c: New test.
1378         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1379         (check_PROGRAMS): Add initpri2.
1380         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1381         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1382         * configure, testsuite/Makefile.in: Rebuild.
1383
1384 2011-06-19  Ian Lance Taylor  <iant@google.com>
1385
1386         PR gold/12880
1387         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1388         .interp section to a PT_INTERP segment even if we have seen a
1389         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1390         clause in a linker script.
1391         (Layout::finalize): Don't create a .interp section if we've
1392         already create a PT_INTERP segment.
1393         (Layout::create_interp): Always call choose_output_section (revert
1394         patch of 2011-06-17).  Don't create PT_INTERP segment.
1395         * script-sections.cc
1396         (Script_sections::create_note_and_tls_segments): Add a .interp
1397         section to a PT_INTERP segment even if we have seen a
1398         --dynamic-linker option.
1399
1400 2011-06-18  Ian Lance Taylor  <iant@google.com>
1401
1402         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1403         merely because a non-PT_LOAD segment has a dynamic reloc.
1404
1405 2011-06-18  Ian Lance Taylor  <iant@google.com>
1406
1407         * layout.cc (Layout::finish_dynamic_section): Don't create
1408         DT_FLAGS entry if not needed.
1409
1410 2011-06-18  Ian Lance Taylor  <iant@google.com>
1411
1412         PR gold/12745
1413         * layout.cc (Layout::layout_eh_frame): Correct handling of
1414         writable .eh_frame section.
1415
1416 2011-06-17  Ian Lance Taylor  <iant@google.com>
1417
1418         PR gold/12893
1419         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1420         symbol is redefined with the exact same object and value.
1421
1422 2011-06-17  Ian Lance Taylor  <iant@google.com>
1423
1424         PR gold/12880
1425         * layout.h (class Layout): Add interp_segment_ field.
1426         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1427         (Layout::attach_allocated_section_to_segment): If making shared
1428         library, put .interp section in PT_INTERP segment.
1429         (Layout::finalize): Also call create_interp if -dynamic-linker
1430         option was used.
1431         (Layout::create_interp): Assert that there is no PT_INTERP
1432         segment.  If not using a SECTIONS clause, use make_output_section.
1433         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1434         * script-sections.cc
1435         (Script_sections::create_note_and_tls_segments): If making shared
1436         library, put .interp section in PT_INTERP segment.
1437
1438 2011-06-17  Ian Lance Taylor  <iant@google.com>
1439
1440         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1441         when making a shared library.
1442
1443 2011-06-17  Ian Lance Taylor  <iant@google.com>
1444
1445         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1446         parameter.  Change all callers.  Don't issue warning about PC32
1447         against locally defined symbol.
1448
1449 2011-06-16  Ian Lance Taylor  <iant@google.com>
1450
1451         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1452         occurs in same object.
1453
1454 2011-06-14  Alan Modra  <amodra@gmail.com>
1455
1456         * po/POTFILES.in: Regenerate.
1457
1458 2011-06-09  Ian Lance Taylor  <iant@google.com>
1459
1460         * script-sections.cc
1461         (Orphan_output_section::set_section_addresses): For a relocatable
1462         link set address to 0.
1463
1464 2011-06-09  Cary Coutant  <ccoutant@google.com>
1465
1466         PR gold/12804
1467         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1468         used with --compress-debug-sections.
1469         * gold/object.cc (Sized_relobj_file::do_layout): Report
1470         uncompressed size of compressed input sections.
1471
1472 2011-06-08  Cary Coutant  <ccoutant@google.com>
1473
1474         PR gold/12804
1475         * testsuite/two_file_test_2_v1.cc: Change initialization of
1476         v2 to keep it in .data.
1477
1478 2011-06-07  Cary Coutant  <ccoutant@google.com>
1479
1480         * common.cc (Symbol_table::do_allocate_commons_list): Call
1481         gold_fallback.
1482         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1483         (Errors::fallback): New function.
1484         (gold_fallback): New function.
1485         * errors.h (Errors::fallback): New function.
1486         * gold.cc (gold_exit): Change status parameter to enum; adjust
1487         all callers.
1488         (queue_initial_tasks): Call gold_fallback.
1489         * gold.h: Include cstdlib.
1490         (Exit_status): New enum type.
1491         (gold_exit): Change status parameter to enum.
1492         (gold_fallback): New function.
1493         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1494         (Layout::create_symtab_sections): Likewise.
1495         (Layout::create_shdrs): Likewise.
1496         * main.cc (main): Adjust call to gold_exit.
1497         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1498         (Output_data_got::add_got_entry_pair): Likewise.
1499         (Output_section::add_input_section): Likewise.
1500         (Output_section::add_output_section_data): Likewise.
1501         (Output_segment::set_section_list_addresses): Likewise.
1502         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1503
1504 2011-06-07  Cary Coutant  <ccoutant@google.com>
1505
1506         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1507         for incremental links.
1508         * output.cc (Output_segment::set_section_list_addresses): Remove
1509         FIXME and test for TLS or BSS.
1510
1511 2011-06-07  Cary Coutant  <ccoutant@google.com>
1512
1513         * testsuite/Makefile.am: Add incremental_copy_test,
1514         incremental_common_test_1.
1515         * testsuite/Makefile.in: Regenerate.
1516         * testsuite/common_test_1_v1.c: New source file.
1517         * testsuite/common_test_1_v2.c: New source file.
1518         * testsuite/copy_test_v1.cc: New source file.
1519
1520 2011-06-07  Cary Coutant  <ccoutant@google.com>
1521
1522         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1523         update, allocate common from bss section's free list.
1524         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1525         linker-defined symbols.
1526         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1527         Skip GOT and PLT entries that are no longer referenced.
1528         (Output_section_incremental_inputs::write_info_blocks): Mark
1529         linker-defined symbols.
1530         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1531         * output.cc (Output_section::allocate): New function.
1532         * output.h (Output_section::allocate): New function.
1533         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1534         linker-defined symbols.
1535         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1536         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1537         (Symbol::init_base_output_data): Likewise.
1538         (Symbol::init_base_output_segment): Likewise.
1539         (Symbol::init_base_constant): Likewise.
1540         (Sized_symbol::init_output_data): Likewise.
1541         (Sized_symbol::init_output_segment): Likewise.
1542         (Sized_symbol::init_constant): Likewise.
1543         (Symbol_table::do_define_in_output_data): Likewise.
1544         (Symbol_table::do_define_in_output_segment): Likewise.
1545         (Symbol_table::do_define_as_constant): Likewise.
1546         * symtab.h (Symbol::is_predefined): New function.
1547         (Symbol::init_base_output_data): Add is_predefined parameter.
1548         (Symbol::init_base_output_segment): Likewise.
1549         (Symbol::init_base_constant): Likewise.
1550         (Symbol::is_predefined_): New data member.
1551         (Sized_symbol::init_output_data): Add is_predefined parameter.
1552         (Sized_symbol::init_output_segment): Likewise.
1553         (Sized_symbol::init_constant): Likewise.
1554         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1555
1556 2011-06-07  Cary Coutant  <ccoutant@google.com>
1557
1558         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1559         instead of emit_copy_reloc.
1560         (Copy_relocs::emit_copy_reloc): Refactor.
1561         (Copy_relocs::make_copy_reloc): New function.
1562         (Copy_relocs::add_copy_reloc): Remove.
1563         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1564         section.
1565         (Copy_relocs::make_copy_reloc): New function.
1566         (Copy_relocs::add_copy_reloc): Remove.
1567         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1568         unchanged input files.
1569         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1570         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1571         Reserve BSS space for COPY relocations.
1572         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1573         (Output_section_incremental_inputs::write_info_blocks): Record
1574         whether a symbol is copied from a shared object.
1575         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1576         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1577         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1578         (Incremental_input_entry_reader::get_output_symbol_index): Add
1579         is_copy parameter.
1580         (Incremental_binary::emit_copy_relocs): New function.
1581         (Incremental_binary::do_emit_copy_relocs): New function.
1582         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1583         new data member.
1584         (Sized_incremental_binary::add_copy_reloc): New function.
1585         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1586         (Sized_incremental_binary::Copy_reloc): New struct.
1587         (Sized_incremental_binary::Copy_relocs): New typedef.
1588         (Sized_incremental_binary::copy_relocs_): New data member.
1589         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1590         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1591         * target.h (Sized_target::emit_copy_reloc): New function.
1592         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1593
1594 2011-06-02  Cary Coutant  <ccoutant@google.com>
1595
1596         PR gold/12163
1597         * gold/archive.cc (Archive::Archive): Initialize new data member.
1598         (Archive::include_all_members): Return if archive has already been
1599         included.
1600         * gold/archive.h (Archive::include_all_members_): New data member.
1601
1602 2011-06-02  Nick Clifton  <nickc@redhat.com>
1603
1604         * dynobj.h: Fix spelling mistake in comment.
1605         * output.cc: Likewise.
1606
1607 2011-05-31  Doug Kwan  <dougkwan@google.com>
1608             Asier Llano
1609
1610         PR gold/12826
1611         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1612         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1613         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1614         redundant arm_exidx_test.so.
1615         * testsuite/Makefile.in: Regenerate.
1616         (check_SCRIPTS): Add pr12826.sh
1617         (check_DATA): Add pr12826.stdout
1618         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1619         * testsuite/pr12826.sh: New file.
1620         * testsuite/pr12826_1.s: Ditto.
1621         * testsuite/pr12826_1.s: Ditto.
1622
1623 2011-05-30  Ian Lance Taylor  <iant@google.com>
1624
1625         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1626         sections.
1627
1628 2011-05-29  Ian Lance Taylor  <iant@google.com>
1629
1630         PR gold/12804
1631         * testsuite/Makefile.am: Use different file name for two_file_test
1632         temporary file for each incremental test.
1633         * testsuite/Makefile.in: Rebuild.
1634
1635 2011-05-29  Ian Lance Taylor  <iant@google.com>
1636
1637         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1638         binary input file is empty.
1639
1640 2011-05-27  Ian Lance Taylor  <iant@google.com>
1641
1642         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1643         (ver_test_9.so): Likewise.
1644         * testsuite/Makefile.in: Rebuild.
1645
1646 2011-05-26 Cary Coutant  <ccoutant@google.com>
1647
1648         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1649         * incremental.cc (Incremental_inputs::report_input_section): Fix
1650         comment, indentation.
1651         (Incremental_inputs::report_comdat_group): New function.
1652         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1653         of data for incremental input file entry.
1654         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1655         group count, COMDAT group signatures.
1656         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1657         an unchanged input file.
1658         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1659         Initialize new data member.
1660         (Incremental_object_entry::add_comdat_group): New function.
1661         (Incremental_object_entry::get_comdat_group_count): New function.
1662         (Incremental_object_entry::get_comdat_signature_key): New function.
1663         (Incremental_object_entry::groups_): New data member.
1664         (Incremental_inputs::report_comdat_group): New function.
1665         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1666         data for incremental input file entry.
1667         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1668         (Incremental_input_entry_reader::get_input_section): Adjust size of
1669         data for incremental input file entry.
1670         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1671         (Incremental_input_entry_reader::get_comdat_group_signature): New
1672         function.
1673         * object.cc (Sized_relobj::include_section_group): Report kept
1674         COMDAT groups for incremental links.
1675
1676 2011-05-24  David Meyer  <pdox@google.com>
1677
1678         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1679         with name parameter.  Add found_name parameter.
1680         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1681         * dirsearch.h (class Dirsearch): Update declaration.
1682
1683 2011-05-24  Ian Lance Taylor  <iant@google.com>
1684
1685         * archive.cc (Library_base::should_include_member): Pull in object
1686         from archive if it defines the entry symbol.
1687         * parameters.cc (Parameters::entry): New function.
1688         * parameters.h (class Parameters): Declare entry.
1689         * output.h (class Output_file_header): Remove entry_ field.
1690         * output.cc (Output_file_header::Output_file_header): Remove entry
1691         parameter.  Change all callers.
1692         (Output_file_header::entry): Use parameters->entry.
1693         * gold.cc (queue_middle_tasks): Likewise.
1694         * plugin.cc (Plugin_hook::run): Likewise.
1695
1696 2011-05-24 Cary Coutant  <ccoutant@google.com>
1697
1698         * gold.cc (queue_initial_tasks): Pass incremental base filename
1699         to Output_file::open_base_file; don't print error message.
1700         * incremental-dump.cc (main): Adjust call to
1701         Output_file::open_for_modification.
1702         * incremental-dump.cc (main): Likewise.
1703         * incremental.cc (Incremental_inputs::report_command_line):
1704         Ignore --incremental-base option when comparing command lines.
1705         Ignore parameter when given as separate argument.
1706         * options.h (class General_options): Add --incremental-base.
1707         * output.cc (Output_file::Output_file):
1708         (Output_file::open_base_file): Add base_name and writable parameters;
1709         read base file into new file; print error message here.
1710         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1711         callers.
1712         * output.h (Output_file::open_for_modification): Rename to...
1713         (Output_file::open_base_file): ...this; add base_name and
1714         writable parameters; adjust all callers.
1715         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1716         callers.
1717         * testsuite/Makefile.am (incremental_test_4): Test
1718         --incremental-base.
1719         * testsuite/Makefile.in: Regenerate.
1720
1721 2011-05-24 Cary Coutant  <ccoutant@google.com>
1722
1723         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1724         incremental_test_4.
1725         * testsuite/Makefile.in: Regenerate.
1726         * testsuite/two_file_test_1_v1.cc: New test source file.
1727         * testsuite/two_file_test_1b_v1.cc: New test source file.
1728         * testsuite/two_file_test_2_v1.cc: New test source file.
1729
1730 2011-05-24 Cary Coutant  <ccoutant@google.com>
1731
1732         * dynobj.h (Dynobj::do_dynobj): New function.
1733         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1734         flag and soname for shared objects.
1735         * incremental.cc (Incremental_inputs::report_object): Make
1736         either Incremental_object_entry or Incremental_dynobj_entry; add
1737         soname to string table.
1738         (Incremental_inputs::report_input_section): Add assertion.
1739         (Output_section_incremental_inputs::set_final_data_size): Adjust
1740         type of input file entry for shared libraries; adjust size of
1741         shared library info entry.
1742         (Output_section_incremental_inputs::write_input_files): Write
1743         as_needed flag for shared libraries.
1744         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1745         of input file entry for shared libraries; write soname.
1746         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1747         soname from incremental info.
1748         * incremental.h (enum Incremental_input_flags): Add
1749         INCREMENTAL_INPUT_AS_NEEDED.
1750         (Incremental_input_entry::Incremental_input_entry): Initialize new
1751         data member.
1752         (Incremental_input_entry::set_as_needed): New function.
1753         (Incremental_input_entry::as_needed): New function.
1754         (Incremental_input_entry::do_dynobj_entry): New function.
1755         (Incremental_input_entry::as_needed_): New data member.
1756         (Incremental_object_entry::Incremental_object_entry): Don't check
1757         for shared library.
1758         (Incremental_object_entry::do_type): Likewise.
1759         (class Incremental_dynobj_entry): New class.
1760         (Incremental_input_entry_reader::as_needed): New function.
1761         (Incremental_input_entry_reader::get_soname): New function.
1762         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1763         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1764         size of shared library info entry.
1765         * layout.cc (Layout::finish_dynamic_section): Don't test for
1766         incremental link when adding DT_NEEDED entries.
1767         * object.h (Object::Object): Initialize new data member.
1768         (Object::dynobj): New function.
1769         (Object::set_as_needed): New function.
1770         (Object::as_needed): New function.
1771         (Object::do_dynobj): New function.
1772         (Object::as_needed_): New data member.
1773
1774 2011-05-24 Cary Coutant  <ccoutant@google.com>
1775
1776         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1777         info; adjust display of GOT entries.
1778         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1779         vector of input objects; remove file_status_.
1780         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1781         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1782         got_plt reader; call target hooks to reserve GOT entries.
1783         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1784         of input file info header and GOT info entry.
1785         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1786         relocation info.
1787         (Got_plt_view_info::got_descriptor): Remove.
1788         (Got_plt_view_info::sym_index): New data member.
1789         (Got_plt_view_info::input_index): New data member.
1790         (Local_got_offset_visitor::visit): Write input file index.
1791         (Global_got_offset_visitor::visit): Write 0 for input file index.
1792         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1793         with sym_index and input_index.
1794         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1795         incremental info GOT entry; replace got_descriptor with input_index.
1796         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1797         map from input file index to object.
1798         (Sized_relobj_incr::do_layout): Replace direct data member reference
1799         with accessor function.
1800         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1801         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1802         Adjust size of input file info header.
1803         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1804         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1805         (Incremental_input_entry_reader::get_input_section): Adjust size of
1806         input file info header.
1807         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1808         of incremental info GOT entry.
1809         (Incremental_got_plt_reader::get_got_desc): Remove.
1810         (Incremental_got_plt_reader::get_got_symndx): New function.
1811         (Incremental_got_plt_reader::get_got_input_index): New function.
1812         (Sized_incremental_binary::Sized_incremental_binary): Remove
1813         file_status_; add input_objects_.
1814         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1815         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1816         (Sized_incremental_binary::file_is_unchanged): Remove.
1817         (Sized_incremental_binary::set_input_object): New function.
1818         (Sized_incremental_binary::input_object): New function.
1819         (Sized_incremental_binary::file_status_): Remove.
1820         (Sized_incremental_binary::input_objects_): New data member.
1821         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1822         references.
1823         (Sized_relobj_incr::invalid_address): Move to base class.
1824         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1825         class.
1826         (Sized_relobj_incr::do_output_section_offset): Likewise.
1827         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1828         (Sized_relobj_incr::section_offsets_): Likewise.
1829         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1830         function.
1831         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1832         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1833         with accessor function.
1834         (Sized_relobj_file::do_layout): Likewise.
1835         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1836         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1837         (Sized_relobj_file::compute_final_local_value): Replace refs to
1838         section_offsets_ with accessor function.
1839         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1840         * object.h (Relobj::Relobj): Initialize new data members.
1841         (Relobj::add_dyn_reloc): New function.
1842         (Relobj::first_dyn_reloc): New function.
1843         (Relobj::dyn_reloc_count): New function.
1844         (Relobj::first_dyn_reloc_): New data member.
1845         (Relobj::dyn_reloc_count_): New data member.
1846         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1847         references.
1848         (Sized_relobj::Address): New typedef.
1849         (Sized_relobj::invalid_address): Move here from child class.
1850         (Sized_relobj::Sized_relobj): Initialize new data members.
1851         (Sized_relobj::sized_relobj): New function.
1852         (Sized_relobj::is_output_section_offset_invalid): Move here from
1853         child class.
1854         (Sized_relobj::get_output_section_offset): Likewise.
1855         (Sized_relobj::local_has_got_offset): Likewise.
1856         (Sized_relobj::local_got_offset): Likewise.
1857         (Sized_relobj::set_local_got_offset): Likewise.
1858         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1859         (Sized_relobj::clear_got_offsets): New function.
1860         (Sized_relobj::section_offsets): Move here from child class.
1861         (Sized_relobj::do_output_section_offset): Likewise.
1862         (Sized_relobj::do_set_section_offset): Likewise.
1863         (Sized_relobj::Local_got_offsets): Likewise.
1864         (Sized_relobj::local_got_offsets_): Likewise.
1865         (Sized_relobj::section_offsets_): Likewise.
1866         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1867         references.
1868         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1869         class.
1870         (Sized_relobj_file::sized_relobj): New function
1871         (Sized_relobj_file::local_has_got_offset): Move to base class.
1872         (Sized_relobj_file::local_got_offset): Likewise.
1873         (Sized_relobj_file::set_local_got_offset): Likewise.
1874         (Sized_relobj_file::get_output_section_offset): Likewise.
1875         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1876         (Sized_relobj_file::do_output_section_offset): Likewise.
1877         (Sized_relobj_file::do_set_section_offset): Likewise.
1878         (Sized_relobj_file::Local_got_offsets): Likewise.
1879         (Sized_relobj_file::local_got_offsets_): Likewise.
1880         (Sized_relobj_file::section_offsets_): Likewise.
1881         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1882         (all constructors).
1883         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1884         (Output_reloc::get_symbol_index): Likewise.
1885         (Output_reloc::local_section_offset): Likewise.
1886         (Output_reloc::get_address): Likewise.
1887         (Output_reloc::symbol_value): Likewise.
1888         (Output_data_got::reserve_slot): Move to class definition.
1889         (Output_data_got::reserve_local): New function.
1890         (Output_data_got::reserve_slot_for_global): Remove.
1891         (Output_data_got::reserve_global): New function.
1892         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1893         (all constructors, two instantiations).
1894         (Output_reloc::get_relobj): New function (two instantiations).
1895         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1896         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1897         (Output_data_reloc::add_global): Adjust type of relobj.
1898         (Output_data_reloc::add_global_relative): Likewise.
1899         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1900         (Output_data_reloc::add_local): Likewise.
1901         (Output_data_reloc::add_local_relative): Likewise.
1902         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1903         (Output_data_reloc::add_local_section): Likewise.
1904         (Output_data_reloc::add_output_section): Likewise.
1905         (Output_data_reloc::add_absolute): Likewise.
1906         (Output_data_reloc::add_target_specific): Likewise.
1907         (Output_data_got::reserve_slot): Move definition here.
1908         (Output_data_got::reserve_local): New function.
1909         (Output_data_got::reserve_global): New function.
1910         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1911         section_offsets_ with accessor function.
1912         (Sized_relobj_file::write_sections): Likewise.
1913         (Sized_relobj_file::do_relocate_sections): Likewise.
1914         * target.h (Sized_target::reserve_local_got_entry): New function.
1915         (Sized_target::reserve_global_got_entry): New function.
1916         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1917         (Target_x86_64::reserve_global_got_entry): New function.
1918         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1919
1920 2011-05-23 Cary Coutant  <ccoutant@google.com>
1921
1922         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1923         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1924         bit when checking got_type.
1925         * incremental.cc (Sized_incremental_binary::setup_readers):
1926         Store symbol table and string table locations; initialize bit vector
1927         of file status flags.
1928         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1929         unchanged files.
1930         (Sized_incremental_binary::do_process_got_plt): New function.
1931         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1932         (Output_section_incremental_inputs::set_final_data_size): Record
1933         file index for each input file.
1934         (Output_section_incremental_inputs::write_got_plt): Store file index
1935         instead of input entry offset for each GOT entry.
1936         * incremental.h
1937         (Incremental_input_entry::Incremental_input_entry): Initialize new
1938         data member.
1939         (Incremental_input_entry::set_offset): Store file index.
1940         (Incremental_input_entry::get_file_index): New function.
1941         (Incremental_input_entry::file_index_): New data member.
1942         (Incremental_binary::process_got_plt): New function.
1943         (Incremental_binary::do_process_got_plt): New function.
1944         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1945         data members.
1946         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1947         (Sized_incremental_binary::set_file_is_unchanged): New function.
1948         (Sized_incremental_binary::file_is_unchanged): New function.
1949         (Sized_incremental_binary::do_process_got_plt): New function.
1950         (Sized_incremental_binary::file_status_): New data member.
1951         (Sized_incremental_binary::main_symtab_loc_): New data member.
1952         (Sized_incremental_binary::main_strtab_loc_): New data member.
1953         * output.cc (Output_data_got::Got_entry::write): Add case
1954         RESERVED_CODE.
1955         (Output_data_got::add_global): Call add_got_entry.
1956         (Output_data_got::add_global_plt): Likewise.
1957         (Output_data_got::add_global_with_rel): Likewise.
1958         (Output_data_got::add_global_with_rela): Likewise.
1959         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1960         (Output_data_got::add_global_pair_with_rela): Likewise.
1961         (Output_data_got::add_local): Call add_got_entry.
1962         (Output_data_got::add_local_plt): Likewise.
1963         (Output_data_got::add_local_with_rel): Likewise.
1964         (Output_data_got::add_local_with_rela): Likewise.
1965         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1966         (Output_data_got::add_local_pair_with_rela): Likewise.
1967         (Output_data_got::reserve_slot): New function.
1968         (Output_data_got::reserve_slot_for_global): New function.
1969         (Output_data_got::add_got_entry): New function.
1970         (Output_data_got::add_got_entry_pair): New function.
1971         (Output_section::add_output_section_data): Edit FIXME.
1972         * output.h
1973         (Output_section_data_build::Output_section_data_build): New
1974         constructor with size parameter.
1975         (Output_data_space::Output_data_space): Likewise.
1976         (Output_data_got::Output_data_got): Initialize new data member; new
1977         constructor with size parameter.
1978         (Output_data_got::add_constant): Call add_got_entry.
1979         (Output_data_got::reserve_slot): New function.
1980         (Output_data_got::reserve_slot_for_global): New function.
1981         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1982         (Output_data_got::add_got_entry): New function.
1983         (Output_data_got::add_got_entry_pair): New function.
1984         (Output_data_got::free_list_): New data member.
1985         * target.h (Sized_target::init_got_plt_for_update): New function.
1986         (Sized_target::register_global_plt_entry): New function.
1987         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1988         Initialize new data member; call init; add constructor with PLT count.
1989         (Output_data_plt_x86_64::init): New function.
1990         (Output_data_plt_x86_64::add_relocation): New function.
1991         (Output_data_plt_x86_64::reserve_slot): New function.
1992         (Output_data_plt_x86_64::free_list_): New data member.
1993         (Target_x86_64::init_got_plt_for_update): New function.
1994         (Target_x86_64::register_global_plt_entry): New function.
1995         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1996         incremental updates.
1997         (Output_data_plt_x86_64::add_relocation): New function.
1998         * testsuite/object_unittest.cc (Object_test): Set default options.
1999
2000 2011-05-16  Ian Lance Taylor  <iant@google.com>
2001
2002         * options.h (class General_options): Make -i a synonym for -r.
2003
2004 2011-05-16  Ian Lance Taylor  <iant@google.com>
2005
2006         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2007
2008 2011-05-10 Cary Coutant  <ccoutant@google.com>
2009
2010         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2011         strip_all (-s).
2012
2013 2011-05-06  Ian Lance Taylor  <iant@google.com>
2014
2015         * layout.cc (Layout::layout): If the output section flags change,
2016         update the ordering.
2017
2018 2011-04-25 Cary Coutant  <ccoutant@google.com>
2019
2020         * incremental-dump.cc (dump_incremental_inputs): Print local
2021         symbol info for each input file.
2022         * incremental.cc
2023         (Output_section_incremental_inputs::set_final_data_size): Add local
2024         symbol info to input file entries in incremental info.
2025         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2026         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2027         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2028         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2029         implementation.
2030         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2031         (Sized_incr_relobj::do_relocate): Write the local symbols.
2032         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2033         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2034         Adjust size of input file header.
2035         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2036         (Incremental_inputs_reader::get_local_symbol_count): New function.
2037         (Incremental_inputs_reader::get_input_section): Adjust size of input
2038         file header.
2039         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2040         (Sized_incr_relobj::This): New typedef.
2041         (Sized_incr_relobj::sym_size): New const data member.
2042         (Sized_incr_relobj::Local_symbol): New struct.
2043         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2044         (Sized_incr_relobj::do_local_symbol_offset): New function.
2045         (Sized_incr_relobj::local_symbol_count_): New data member.
2046         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2047         (Sized_incr_relobj::local_symbol_index_): New data member.
2048         (Sized_incr_relobj::local_symbol_offset_): New data member.
2049         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2050         (Sized_incr_relobj::local_symbols_): New data member.
2051         * object.h (Relobj::output_local_symbol_count): New function.
2052         (Relobj::local_symbol_offset): New function.
2053         (Relobj::do_output_local_symbol_count): New function.
2054         (Relobj::do_local_symbol_offset): New function.
2055         (Sized_relobj::do_output_local_symbol_count): New function.
2056         (Sized_relobj::do_local_symbol_offset): New function.
2057
2058 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2059
2060         * descriptors.cc (set_close_on_exec): New function.
2061         (Descriptors::open): Use set_close_on_exec.
2062         * output.cc (S_ISLNK): Define if not defined.
2063
2064 2011-04-22 Cary Coutant  <ccoutant@google.com>
2065
2066         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2067         global symbol map.
2068         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2069         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2070         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2071         relocations.
2072         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2073         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2074         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2075         * incremental.h
2076         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2077         function.
2078         (Incremental_binary::apply_incremental_relocs): New function.
2079         (Incremental_binary::do_apply_incremental_relocs): New function.
2080         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2081         data member.
2082         (Sized_incremental_binary::add_global_symbol): New function.
2083         (Sized_incremental_binary::global_symbol): New function.
2084         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2085         (Sized_incremental_binary::symbol_map_): New data member.
2086         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2087         * target.h (Sized_target::apply_relocation): New function.
2088         * target-reloc.h (apply_relocation): New function.
2089         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2090
2091 2011-04-22  Doug Kwan  <dougkwan@google.com>
2092
2093         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2094         flag of a SHT_ARM_EXIDX section.
2095         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2096         * testsuite/Makefile.in: Regenerate.
2097         * testsuite/arm_exidx_test.s: New file.
2098         * testsuite/arm_exidx_test.sh: Same.
2099
2100 2011-04-20 Cary Coutant  <ccoutant@google.com>
2101
2102         PR gold/12689
2103         * archive.h (Incremental_archive_entry::Archive_member):
2104         Initialize arg_serial_ (second constructor).
2105
2106 2011-04-17  Ian Lance Taylor  <iant@google.com>
2107
2108         * object.cc (Relocate_info::location): Simplify location string.
2109         * errors.cc (Errors::error_at_location): Don't print program
2110         name.
2111         (Errors::warning_at_location): Likewise.
2112         (Errors::undefined_symbol): Likewise.
2113         * testsuite/debug_msg.sh: Update accordingly.
2114
2115 2011-04-14 Cary Coutant  <ccoutant@google.com>
2116
2117         * gold/layout.cc (Layout::symtab_section_offset): New function.
2118         * gold/layout.h (Layout::symtab_section_offset): New function.
2119         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2120
2121 2011-04-12  Ian Lance Taylor  <iant@google.com>
2122
2123         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2124         with MREMAP_MAYMOVE.
2125         * output.h (class Output_file): Add map_is_allocated_ field.
2126         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2127         not available, provide stubs.  If mremap is not available, #define
2128         it to gold_mremap.
2129         (MREMAP_MAYMOVE): Define if not defined.
2130         (Output_file::Output_file): Initialize map_is_allocated_.
2131         (Output_file::resize): Check map_is_allocated_.
2132         (Output_file::map_anonymous): If mmap fails, use malloc.
2133         (Output_file::unmap): Don't do anything for an anonymous map.
2134         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2135         is not available, provide stubs.
2136         (File_read::View::~View): Use free rather than delete[].
2137         (File_read::make_view): Use malloc rather than new[].  If mmap
2138         fails, use malloc.
2139         (File_read::find_or_make_view): Use malloc rather than new[].
2140         * gold.h: Remove HAVE_REMAP code.
2141         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2142         exists.  Rename mremap to gold_mremap.  If mmap is not available
2143         don't do anything.
2144         * configure, config.in: Rebuild.
2145
2146 2011-04-11  Ian Lance Taylor  <iant@google.com>
2147
2148         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2149         initialize local variable v.
2150
2151 2011-04-11  Cary Coutant  <ccoutant@google.com>
2152
2153         * archive.cc (Archive::include_member): Adjust call to
2154         report_object.
2155         (Add_archive_symbols::run): Track argument serial numbers.
2156         (Lib_group::include_member): Likewise.
2157         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2158         * archive.h (Incremental_archive_entry::Archive_member):
2159         Initialize arg_serial_.
2160         (Archive_member::arg_serial_): New data member.
2161         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2162         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2163         incremental link.
2164         (Sized_dynobj::do_for_all_local_got_entries): New function.
2165         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2166         function.
2167         * fileread.cc (get_mtime): New function.
2168         * fileread.h (get_mtime): New function.
2169         * gold.cc (queue_initial_tasks): Check for incremental update.
2170         (process_incremental_input): New function.
2171         (queue_middle_tasks): Don't force valid target for incremental
2172         update.
2173         * incremental-dump.cc (find_input_containing_global): Adjust
2174         size of symbol info entry.
2175         (dump_incremental_inputs): Dump argument serial number and
2176         in_system_directory flag; bias shndx by 1; print symbol names
2177         when dumping per-file symbol lists; use new symbol info readers.
2178         * incremental.cc
2179         (Output_section_incremental_inputs:update_data_size): New function.
2180         (Sized_incremental_binary::setup_readers): Setup input readers
2181         for each input file; build maps for files added from libraries
2182         and scripts.
2183         (Sized_incremental_binary::check_input_args): New function.
2184         (Sized_incremental_binary::do_check_inputs): Build map of argument
2185         serial numbers to input arguments.
2186         (Sized_incremental_binary::do_file_has_changed): Rename
2187         do_file_is_unchanged to this; compare file modification times.
2188         (Sized_incremental_binary::do_init_layout): New function.
2189         (Sized_incremental_binary::do_reserve_layout): New function.
2190         (Sized_incremental_binary::do_get_input_reader): Remove.
2191         (Sized_incremental_binary::get_symtab_view): New function.
2192         (Incremental_checker::can_incrementally_link_output_file): Remove.
2193         (Incremental_inputs::report_command_line): Exclude --debug options.
2194         (Incremental_inputs::report_archive_begin): Add parameter; track
2195         argument serial numbers; don't put input file entry for archive
2196         before archive members.
2197         (Incremental_inputs::report_archive_end): Put input file entry
2198         for archive after archive members.
2199         (Incremental_inputs::report_object): Add parameter; track argument
2200         serial numbers and in_system_directory flag.
2201         (Incremental_inputs::report_script): Add parameter; track argument
2202         serial numbers.
2203         (Output_section_incremental_inputs::set_final_data_size): Adjust
2204         size of symbol info entry; check for forwarding symbols.
2205         (Output_section_incremental_inputs::write_input_files): Write
2206         in_system_directory flag and argument serial number.
2207         (Output_section_incremental_inputs::write_info_blocks): Map section
2208         indices between incremental info and original input file; store
2209         input section index for each symbol.
2210         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2211         change operator() to visit().
2212         (class Global_got_offset_visitor): Likewise.
2213         (class Global_symbol_visitor_got_plt):
2214         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2215         classes.
2216         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2217         (Sized_incr_relobj::do_read_symbols): New function.
2218         (Sized_incr_relobj::do_layout): New function.
2219         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2220         (Sized_incr_relobj::do_add_symbols): New function.
2221         (Sized_incr_relobj::do_should_include_member): New function.
2222         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2223         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2224         (Sized_incr_relobj::do_section_size): New function.
2225         (Sized_incr_relobj::do_section_name): New function.
2226         (Sized_incr_relobj::do_section_contents): New function.
2227         (Sized_incr_relobj::do_section_flags): New function.
2228         (Sized_incr_relobj::do_section_entsize): New function.
2229         (Sized_incr_relobj::do_section_address): New function.
2230         (Sized_incr_relobj::do_section_type): New function.
2231         (Sized_incr_relobj::do_section_link): New function.
2232         (Sized_incr_relobj::do_section_info): New function.
2233         (Sized_incr_relobj::do_section_addralign): New function.
2234         (Sized_incr_relobj::do_initialize_xindex): New function.
2235         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2236         (Sized_incr_relobj::do_read_relocs): New function.
2237         (Sized_incr_relobj::do_gc_process_relocs): New function.
2238         (Sized_incr_relobj::do_scan_relocs): New function.
2239         (Sized_incr_relobj::do_count_local_symbols): New function.
2240         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2241         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2242         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2243         (Sized_incr_relobj::do_relocate): New function.
2244         (Sized_incr_relobj::do_set_section_offset): New function.
2245         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2246         (Sized_incr_dynobj::do_read_symbols): New function.
2247         (Sized_incr_dynobj::do_layout): New function.
2248         (Sized_incr_dynobj::do_add_symbols): New function.
2249         (Sized_incr_dynobj::do_should_include_member): New function.
2250         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2251         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2252         (Sized_incr_dynobj::do_section_size): New function.
2253         (Sized_incr_dynobj::do_section_name): New function.
2254         (Sized_incr_dynobj::do_section_contents): New function.
2255         (Sized_incr_dynobj::do_section_flags): New function.
2256         (Sized_incr_dynobj::do_section_entsize): New function.
2257         (Sized_incr_dynobj::do_section_address): New function.
2258         (Sized_incr_dynobj::do_section_type): New function.
2259         (Sized_incr_dynobj::do_section_link): New function.
2260         (Sized_incr_dynobj::do_section_info): New function.
2261         (Sized_incr_dynobj::do_section_addralign): New function.
2262         (Sized_incr_dynobj::do_initialize_xindex): New function.
2263         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2264         (make_sized_incremental_object): New function.
2265         (Incremental_library::copy_unused_symbols): New function.
2266         (Incremental_library::do_for_all_unused_symbols): New function.
2267         * incremental.h (enum Incremental_input_flags): New type.
2268         (class Incremental_checker): Remove.
2269         (Incremental_input_entry::Incremental_input_entry): Add argument
2270         serial number.
2271         (Incremental_input_entry::arg_serial): New function.
2272         (Incremental_input_entry::set_is_in_system_directory): New function.
2273         (Incremental_input_entry::is_in_system_directory): New function.
2274         (Incremental_input_entry::arg_serial_): New data member.
2275         (Incremental_input_entry::is_in_system_directory_): New data member.
2276         (class Script_info): Move here from script.h.
2277         (Script_info::Script_info): Add filename parameter.
2278         (Script_info::filename): New function.
2279         (Script_info::filename_): New data member.
2280         (Incremental_script_entry::Incremental_script_entry): Add argument
2281         serial number.
2282         (Incremental_object_entry::Incremental_object_entry): Likewise.
2283         (Incremental_object_entry::add_input_section): Build list of input
2284         sections with map to original shndx.
2285         (Incremental_object_entry::get_input_section_index): New function.
2286         (Incremental_object_entry::shndx_): New data member.
2287         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2288         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2289         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2290         serial number.
2291         (Incremental_inputs::report_archive_begin): Likewise.
2292         (Incremental_inputs::report_object): Likewise.
2293         (Incremental_inputs::report_script): Likewise.
2294         (class Incremental_global_symbol_reader): New class.
2295         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2296         and store flags and input file type.
2297         (Incremental_input_entry_reader::arg_serial): New function.
2298         (Incremental_input_entry_reader::type): Extract type from flags.
2299         (Incremental_input_entry_reader::is_in_system_directory): New function.
2300         (Incremental_input_entry_reader::get_input_section_count): Call
2301         accessor function for type.
2302         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2303         function for type; adjust size of global symbol entry.
2304         (Incremental_input_entry_reader::get_global_symbol_count): Call
2305         accessor function for type.
2306         (Incremental_input_entry_reader::get_object_count): Likewise.
2307         (Incremental_input_entry_reader::get_object_offset): Likewise.
2308         (Incremental_input_entry_reader::get_member_count): Likewise.
2309         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2310         (Incremental_input_entry_reader::get_member_offset): Likewise.
2311         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2312         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2313         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2314         (Incremental_input_entry_reader::get_global_symbol_reader): New
2315         function.
2316         (Incremental_input_entry_reader::get_output_symbol_index): New
2317         function.
2318         (Incremental_input_entry_reader::type_): Remove.
2319         (Incremental_input_entry_reader::flags_): New data member.
2320         (Incremental_inputs_reader::input_file_offset): New function.
2321         (Incremental_inputs_reader::input_file_index): New function.
2322         (Incremental_inputs_reader::input_file): Call input_file_offset.
2323         (Incremental_inputs_reader::input_file_at_offset): New function.
2324         (Incremental_relocs_reader::get_r_type): Reformat.
2325         (Incremental_relocs_reader::get_r_shndx): Reformat.
2326         (Incremental_relocs_reader::get_r_offset): Reformat.
2327         (Incremental_relocs_reader::data): New function.
2328         (Incremental_binary::Incremental_binary): Initialize new data members.
2329         (Incremental_binary::check_inputs): Add cmdline parameter.
2330         (Incremental_binary::file_is_unchanged): Remove.
2331         (Input_reader::arg_serial): New function.
2332         (Input_reader::get_unused_symbol_count): New function.
2333         (Input_reader::get_unused_symbol): New function.
2334         (Input_reader::do_arg_serial): New function.
2335         (Input_reader::do_get_unused_symbol_count): New function.
2336         (Input_reader::do_get_unused_symbol): New function.
2337         (Incremental_binary::input_file_count): New function.
2338         (Incremental_binary::get_input_reader): Change signature to use
2339         index instead of filename.
2340         (Incremental_binary::file_has_changed): New function.
2341         (Incremental_binary::get_input_argument): New function.
2342         (Incremental_binary::get_library): New function.
2343         (Incremental_binary::get_script_info): New function.
2344         (Incremental_binary::init_layout): New function.
2345         (Incremental_binary::reserve_layout): New function.
2346         (Incremental_binary::output_file): New function.
2347         (Incremental_binary::do_check_inputs): New function.
2348         (Incremental_binary::do_file_is_unchanged): Remove.
2349         (Incremental_binary::do_file_has_changed): New function.
2350         (Incremental_binary::do_init_layout): New function.
2351         (Incremental_binary::do_reserve_layout): New function.
2352         (Incremental_binary::do_input_file_count): New function.
2353         (Incremental_binary::do_get_input_reader): Change signature.
2354         (Incremental_binary::input_args_map_): New data member.
2355         (Incremental_binary::library_map_): New data member.
2356         (Incremental_binary::script_map_): New data member.
2357         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2358         new data members.
2359         (Sized_incremental_binary::output_section): New function.
2360         (Sized_incremental_binary::inputs_reader): Add const.
2361         (Sized_incremental_binary::symtab_reader): Add const.
2362         (Sized_incremental_binary::relocs_reader): Add const.
2363         (Sized_incremental_binary::got_plt_reader): Add const.
2364         (Sized_incremental_binary::get_symtab_view): New function.
2365         (Sized_incremental_binary::Inputs_reader): New typedef.
2366         (Sized_incremental_binary::Input_entry_reader): New typedef.
2367         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2368         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2369         (Sized_incremental_binary::do_file_has_changed): New function.
2370         (Sized_incremental_binary::do_init_layout): New function.
2371         (Sized_incremental_binary::do_reserve_layout): New function.
2372         (Sized_input_reader::Inputs_reader): Remove.
2373         (Sized_input_reader::Input_entry_reader): Remove.
2374         (Sized_input_reader::do_arg_serial): New function.
2375         (Sized_input_reader::do_get_unused_symbol_count): New function.
2376         (Sized_input_reader::do_get_unused_symbol): New function.
2377         (Sized_incremental_binary::do_input_file_count): New function.
2378         (Sized_incremental_binary::do_get_input_reader): Change signature;
2379         use index instead of filename.
2380         (Sized_incremental_binary::section_map_): New data member.
2381         (Sized_incremental_binary::input_entry_readers_): New data member.
2382         (class Sized_incr_relobj): New class.
2383         (class Sized_incr_dynobj): New class.
2384         (make_sized_incremental_object): New function.
2385         (class Incremental_library): New class.
2386         * layout.cc (Free_list::num_lists): New static data member.
2387         (Free_list::num_nodes): New static data member.
2388         (Free_list::num_removes): New static data member.
2389         (Free_list::num_remove_visits): New static data member.
2390         (Free_list::num_allocates): New static data member.
2391         (Free_list::num_allocate_visits): New static data member.
2392         (Free_list::init): New function.
2393         (Free_list::remove): New function.
2394         (Free_list::allocate): New function.
2395         (Free_list::dump): New function.
2396         (Free_list::print_stats): New function.
2397         (Layout_task_runner::run): Resize output file for incremental updates.
2398         (Layout::Layout): Initialize new data members.
2399         (Layout::set_incremental_base): New function.
2400         (Layout::init_fixed_output_section): New function.
2401         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2402         incremental updates.
2403         (Layout::create_gold_note): Do not create gold note section for
2404         incremental updates.
2405         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2406         for incremental updates.
2407         (Layout::set_section_offsets): For incremental updates, allocate space
2408         from free list.
2409         (Layout::create_symtab_sections): Layout with offsets relative to
2410         start of section; for incremental updates, allocate space from free
2411         list.
2412         (Layout::create_shdrs): For incremental updates, allocate space from
2413         free list.
2414         (Layout::finish_dynamic_section): For incremental updates, do not
2415         check --as-needed (fixed in subsequent patch).
2416         * layout.h (class Free_list): New class.
2417         (Layout::set_incremental_base): New function.
2418         (Layout::incremental_base): New function.
2419         (Layout::init_fixed_output_section): New function.
2420         (Layout::allocate): New function.
2421         (Layout::incremental_base_): New data member.
2422         (Layout::free_list_): New data member.
2423         * main.cc (main): Print Free_list statistics.
2424         * object.cc (Relobj::finalize_incremental_relocs): Add
2425         clear_counts parameter; clear counts only when clear_counts is set.
2426         (Sized_relobj::Sized_relobj): Initialize new base class.
2427         (Sized_relobj::do_layout): Don't report special sections.
2428         (Sized_relobj::do_for_all_local_got_entries): New function.
2429         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2430         symtab_off to all symbol table offsets.
2431         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2432         * object.h (class Got_offset_list): Move to top of file.
2433         (Object::Object): Allow case where input_file == NULL.
2434         (Object::~Object): Likewise.
2435         (Object::input_file): Assert that input_file != NULL.
2436         (Object::lock): Allow case where input_file == NULL.
2437         (Object::unlock): Likewise.
2438         (Object::is_locked): Likewise.
2439         (Object::token): Likewise.
2440         (Object::release): Likewise.
2441         (Object::is_incremental): New function.
2442         (Object::get_mtime): New function.
2443         (Object::for_all_local_got_entries): New function.
2444         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2445         (Object::set_is_in_system_directory): New function.
2446         (Object::is_in_system_directory): New function.
2447         (Object::do_is_incremental): New function.
2448         (Object::do_get_mtime): New function.
2449         (Object::do_for_all_local_got_entries): New function.
2450         (Object::is_in_system_directory_): New data member.
2451         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2452         (class Sized_relobj_base): New class.
2453         (class Sized_relobj): Derive from Sized_relobj_base.
2454         (class Sized_relobj::Symbols): Redeclare from base class.
2455         (class Sized_relobj::local_got_offset_list): Remove.
2456         (class Sized_relobj::Output_sections): Redeclare from base class.
2457         (class Sized_relobj::do_for_all_local_got_entries): New function.
2458         (class Sized_relobj::write_local_symbols): Add offset parameter.
2459         (class Sized_relobj::local_symbol_offset_): Update comment.
2460         (class Sized_relobj::local_dynsym_offset_): Update comment.
2461         * options.cc (Input_arguments::add_file): Remove const.
2462         * options.h (Input_file_argument::Input_file_argument):
2463         Initialize arg_serial_ (all constructors).
2464         (Input_file_argument::set_arg_serial): New function.
2465         (Input_file_argument::arg_serial): New function.
2466         (Input_file_argument::arg_serial_): New data member.
2467         (Input_arguments::Input_arguments): Initialize file_count_.
2468         (Input_arguments::add_file): Remove const.
2469         (Input_arguments::number_of_input_files): New function.
2470         (Input_arguments::file_count_): New data member.
2471         (Command_line::number_of_input_files): Call
2472         Input_arguments::number_of_input_files.
2473         * output.cc (Output_segment_headers::Output_segment_headers):
2474         Set current size.
2475         (Output_section::Input_section::current_data_size): New function.
2476         (Output_section::Output_section): Initialize new data members.
2477         (Output_section::add_input_section): Don't do merge sections for
2478         an incremental link; allocate space from free list for an
2479         incremental update.
2480         (Output_section::add_output_section_data): Allocate space from
2481         free list for an incremental update.
2482         (Output_section::update_data_size): New function.
2483         (Output_section::set_fixed_layout): New function.
2484         (Output_section::reserve): New function.
2485         (Output_segment::set_section_addresses): Remove const.
2486         (Output_segment::set_section_list_addresses): Remove const; allocate
2487         space from free list for an incremental update.
2488         (Output_segment::set_offset): Adjust size of RELRO segment for an
2489         incremental update.
2490         * output.h (Output_data::current_data_size): Move here from
2491         child classes.
2492         (Output_data::pre_finalize_data_size): New function.
2493         (Output_data::update_data_size): New function.
2494         (Output_section_headers::update_data_size): new function.
2495         (Output_section_data_build::current_data_size): Move to Output_data.
2496         (Output_data_strtab::update_data_size): New function.
2497         (Output_section::current_data_size): Move to Output_data.
2498         (Output_section::set_fixed_layout): New function.
2499         (Output_section::has_fixed_layout): New function.
2500         (Output_section::reserve): New function.
2501         (Output_section::update_data_size): New function.
2502         (Output_section::has_fixed_layout_): New data member.
2503         (Output_section::free_list_): New data member.
2504         (Output_segment::set_section_addresses): Remove const.
2505         (Output_segment::set_section_list_addresses): Remove const.
2506         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2507         New function.
2508         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2509         New function.
2510         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2511         parameter when calling Add_symbols constructor; store argument
2512         serial number for members of a lib group.
2513         (Add_symbols::locks): Allow case where token == NULL.
2514         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2515         (Read_member::~Read_member): New function.
2516         (Read_member::is_runnable): New function.
2517         (Read_member::locks): New function.
2518         (Read_member::run): New function.
2519         (Check_script::~Check_script): New function.
2520         (Check_script::is_runnable): New function.
2521         (Check_script::locks): New function.
2522         (Check_script::run): New function.
2523         (Check_library::~Check_library): New function.
2524         (Check_library::is_runnable): New function.
2525         (Check_library::locks): New function.
2526         (Check_library::run): New function.
2527         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2528         (Add_symbols::library_): New data member.
2529         (class Read_member): New class.
2530         (class Check_script): New class.
2531         (class Check_library): New class.
2532         * reloc.cc (Read_relocs::is_runnable): Allow case where
2533         token == NULL.
2534         (Read_relocs::locks): Likewise.
2535         (Scan_relocs::locks): Likewise.
2536         (Relocate_task::locks): Likewise.
2537         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2538         to clear counters.
2539         (Sized_relobj::incremental_relocs_scan): Fix comment.
2540         (Sized_relobj::do_relocate): Pass output file offset to
2541         write_local_symbols.
2542         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2543         from class declaration.
2544         * script.cc (read_input_script): Allocate Script_info; pass
2545         argument serial number to report_script.
2546         * script.h (class Script_info): Move to incremental.h.
2547         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2548         * symtab.h (Symbol_table::add_from_incrobj): New function.
2549         (Symbol_table::set_file_offset): New function.
2550
2551 2011-04-05  Cary Coutant  <ccoutant@google.com>
2552
2553         * incremental-dump.cc (dump_incremental_inputs): Change signature
2554         to take a Sized_incremental_binary; change caller.  Use readers
2555         in Sized_incremental_binary.
2556         * incremental.cc
2557         (Sized_incremental_binary::find_incremental_inputs_sections):
2558         Rename do_find_incremental_inputs_sections to this.
2559         (Sized_incremental_binary::setup_readers): New function.
2560         (Sized_incremental_binary::do_check_inputs): Check
2561         has_incremental_info_ flag; move setup code to setup_readers;
2562         use input readers.
2563         (Sized_incremental_binary::do_file_is_unchanged): New function.
2564         (Sized_incremental_binary::do_get_input_reader): New function.
2565         * incremental.h (class Incremental_binary): Move to end of file.
2566         (Incremental_binary::file_is_unchanged): New function.
2567         (Incremental_binary::do_file_is_unchanged): New function.
2568         (Incremental_binary::Input_reader): New class.
2569         (Incremental_binary::get_input_reader): New function.
2570         (class Sized_incremental_binary): Move to end of file.
2571         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2572         input section reader classes.
2573         (Sized_incremental_binary::has_incremental_info): New function.
2574         (Sized_incremental_binary::inputs_reader): New function.
2575         (Sized_incremental_binary::symtab_reader): New function.
2576         (Sized_incremental_binary::relocs_reader): New function.
2577         (Sized_incremental_binary::got_plt_reader): New function.
2578         (Sized_incremental_binary::do_file_is_unchanged): New function.
2579         (Sized_incremental_binary::Sized_input_reader): New class.
2580         (Sized_incremental_binary::get_input_reader): New function.
2581         (Sized_incremental_binary::find_incremental_inputs_sections):
2582         Rename do_find_incremental_inputs_sections to this.
2583         (Sized_incremental_binary::setup_readers): New function.
2584         (Sized_incremental_binary::has_incremental_info_): New data member.
2585         (Sized_incremental_binary::inputs_reader_): New data member.
2586         (Sized_incremental_binary::symtab_reader_): New data member.
2587         (Sized_incremental_binary::relocs_reader_): New data member.
2588         (Sized_incremental_binary::got_plt_reader_): New data member.
2589         (Sized_incremental_binary::current_input_file_): New data member.
2590
2591 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2592
2593         PR gold/12640
2594         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2595         violation.
2596
2597 2011-03-30  Cary Coutant  <ccoutant@google.com>
2598
2599         * archive.cc (Archive::include_member): Adjust call to report_object.
2600         (Add_archive_symbols::run): Add script_info to call to
2601         report_archive_begin.
2602         (Lib_group::include_member): Adjust call to report_object.
2603         (Add_lib_group_symbols::run): Adjust call to report_object.
2604         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2605         blocks.  Add object count for script input files.
2606         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2607         script_info parameter; change all callers.
2608         (Incremental_inputs::report_object): Add script_info parameter;
2609         change all callers.
2610         (Incremental_inputs::report_script): Store backpointer to
2611         incremental info entry.
2612         (Output_section_incremental_inputs::set_final_data_size): Record
2613         additional information for scripts.
2614         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2615         * incremental.h (Incremental_script_entry::add_object): New function.
2616         (Incremental_script_entry::get_object_count): New function.
2617         (Incremental_script_entry::get_object): New function.
2618         (Incremental_script_entry::objects_): New data member; adjust
2619         constructor.
2620         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2621         (Incremental_inputs::report_object): Add script_info parameter.
2622         (Incremental_inputs_reader::get_object_count): New function.
2623         (Incremental_inputs_reader::get_object_offset): New function.
2624         * options.cc (Input_arguments::add_file): Return reference to
2625         new input argument.
2626         * options.h (Input_argument::set_script_info): New function.
2627         (Input_argument::script_info): New function.
2628         (Input_argument::script_info_): New data member; adjust all
2629         constructors.
2630         (Input_file_group::add_file): Return reference to new input argument.
2631         (Input_file_lib::add_file): Likewise.
2632         (Input_arguments::add_file): Likewise.
2633         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2634         * script.cc (Parser_closure::Parser_closure): Add script_info
2635         parameter; adjust all callers.
2636         (Parser_closure::script_info): New function.
2637         (Parser_closure::script_info_): New data member.
2638         (read_input_script): Report scripts earlier to incremental info.
2639         (script_add_file): Set script_info in Input_argument.
2640         (script_add_library): Likewise.
2641         * script.h (Script_options::Script_info): Rewrite class.
2642
2643 2011-03-29  Cary Coutant  <ccoutant@google.com>
2644
2645         * archive.cc (Library_base::should_include_member): Move
2646         method here from class Archive.
2647         (Archive::Archive): Initialize base class.
2648         (Archive::should_include_member): Move to base class.
2649         (Archive::do_for_all_unused_symbols): New function.
2650         (Add_archive_symbols::run): Remove redundant access to
2651         incremental_inputs.
2652         (Lib_group::Lib_group): Initialize base class.
2653         (Lib_group::do_filename): New function.
2654         (Lib_group::include_member): Pass pointer to Lib_group to
2655         report_object.
2656         (Lib_group::do_for_all_unused_symbols): New function.
2657         (Add_lib_group_symbols::run): Report archive information for
2658         incremental links.
2659         * archive.h (class Library_base): New base class.
2660         (class Archive): Derive from Library_base.
2661         (Archive::filename): Move to base class.
2662         (Archive::set_incremental_info): Likewise.
2663         (Archive::incremental_info): Likewise.
2664         (Archive::Should_include): Likewise.
2665         (Archive::should_include_member): Likewise.
2666         (Archive::Armap_entry): Remove.
2667         (Archive::Unused_symbol_iterator): Remove.
2668         (Archive::unused_symbols_begin): Remove.
2669         (Archive::unused_symbols_end): Remove.
2670         (Archive::do_filename): New function.
2671         (Archive::do_get_mtime): New function.
2672         (Archive::do_for_all_unused_symbols): New function.
2673         (Archive::task_): Move to base class.
2674         (Archive::incremental_info_): Likewise.
2675         (class Lib_group): Derive from Library_base.
2676         (Lib_group::do_filename): New function.
2677         (Lib_group::do_get_mtime): New function.
2678         (Lib_group::do_for_all_unused_symbols): New function.
2679         (Lib_group::task_): Move to base class.
2680         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2681         function.
2682         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2683         function.
2684         * incremental.cc (Incremental_inputs::report_archive_begin):
2685         Use Library_base; call library's get_mtime; add incremental inputs
2686         entry before members.
2687         (class Unused_symbol_visitor): New class.
2688         (Incremental_inputs::report_archive_end): Use Library_base; use
2689         visitor class to record unused symbols; don't add incremental inputs
2690         entry after members.
2691         (Incremental_inputs::report_object): Use Library_base.
2692         * incremental.h
2693         (Incremental_archive_entry::Incremental_archive_entry): Remove
2694         unused Archive parameter.
2695         (Incremental_inputs::report_archive_begin): Use Library_base.
2696         (Incremental_inputs::report_archive_end): Likewise.
2697         (Incremental_inputs::report_object): Likewise.
2698         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2699         function.
2700         * object.h (Object::for_all_global_symbols): New function.
2701         (Object::do_for_all_global_symbols): New function.
2702         (Sized_relobj::do_for_all_global_symbols): New function.
2703         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2704         function.
2705         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2706         function.
2707
2708 2011-03-27  Ian Lance Taylor  <iant@google.com>
2709
2710         * archive.cc (Archive::interpret_header): Return -1 if something
2711         goes wrong.  Change callers accordingly.
2712
2713 2011-03-25  Cary Coutant  <ccoutant@google.com>
2714
2715         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2716         * testsuite/Makefile.in: Regenerate.
2717
2718 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2719
2720         * plugin.cc (get_view): New.
2721         (Plugin::load): Pass get_view to the plugin.
2722         (Plugin_manager::get_view): New.
2723
2724 2011-03-21  Ian Lance Taylor  <iant@google.com>
2725
2726         * testsuite/final_layout.sh: Rewrite to not use dc.
2727         * testsuite/relro_test.sh: Fail if dc is not present.
2728
2729 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2730
2731         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2732         Change == to -eq.
2733         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2734         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2735         Change == to -eq.
2736         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2737         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2738
2739 2011-03-14  Ian Lance Taylor  <iant@google.com>
2740
2741         * script-sections.cc (Sort_output_sections::script_compare):
2742         Rename from is_before, change return type.
2743         (Sort_output_sections::operator()): Adjust accordingly.
2744
2745 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2746
2747         PR gold/12572
2748         * testsuite/odr_violation2.cc: Add comment to make all error line
2749         numbers double digits.
2750         * testsuite/debug_msg.sh: Adjust expected errors.
2751
2752 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2753
2754         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2755         but mark earlier ones as non-canonical
2756         (offset_to_iterator): Update search target and example
2757         (do_addr2line): Return extra lines in a vector*
2758         (format_file_lineno): Extract from do_addr2line
2759         (one_addr2line): Add vector* out-param
2760         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2761         when a lineno entry appeared last for its instruction
2762         (Dwarf_line_info): Add vector* out-param
2763         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2764         * symtab.cc (Odr_violation_compare): Include the lineno in the
2765         comparison again.
2766         (linenos_from_loc): New. Combine the canonical line for an
2767         address with its other lines.
2768         (True_if_intersect): New. Helper functor to make
2769         std::set_intersection a query.
2770         (detect_odr_violations): Compare sets of lines instead of just
2771         one line for each function. This became less deterministic, but
2772         has fewer false positives.
2773         * symtab.h: Declarations.
2774         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2775         mix an optimized and non-optimized object in the same binary
2776         (odr_violation2.so): Same.
2777         * testsuite/Makefile.in: Regenerate from Makefile.am.
2778         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2779         * testsuite/debug_msg.sh: Update line numbers and add
2780         assertions.
2781         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2782         non-optimized context.
2783         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2784         isn't inlined, and use OdrDerived in an optimized context.
2785         * testsuite/odr_header1.h: Defines OdrDerived, where
2786         optimization will change the
2787         first-instruction-in-the-destructor's file and line number.
2788         * testsuite/odr_header2.h: Defines OdrBase.
2789
2790 2011-03-09  Ian Lance Taylor  <iant@google.com>
2791
2792         * fileread.cc (File_read::clear_views): Don't delete the whole
2793         file view.
2794
2795 2011-03-08  Ian Lance Taylor  <iant@google.com>
2796
2797         PR gold/12525
2798         * fileread.cc: #include <climits>.
2799         (GOLD_IOV_MAX): Define.
2800         (File_read::read_multiple): Limit number of entries by iov_max.
2801         * fileread.h (class File_read): Always set max_readv_entries to
2802         128.
2803
2804 2011-03-07  Ian Lance Taylor  <iant@google.com>
2805
2806         PR gold/12525
2807         * options.h (class General_options): Add -dy and -dn.
2808
2809 2011-03-02  Cary Coutant  <ccoutant@google.com>
2810
2811         * testsuite/script_test_9.t: Add TLS segment.
2812
2813 2011-03-02  Simon Baldwin  <simonb@google.com>
2814
2815         * configure.ac: Add check for gnu_indirect_function support in
2816         the toolchain building binutils.
2817         * configure: Rebuild.
2818
2819 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2820
2821         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2822         plugin only symbols.
2823         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2824         in plugin files as not needed in the symbol table.
2825
2826 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2827
2828         * output.cc (Output_section::add_input_section): Delay fill
2829         generation for section ordering.
2830
2831 2011-02-09  Ian Lance Taylor  <iant@google.com>
2832
2833         PR gold/12316
2834         * object.h (class Sized_relobj): Remove clear_local_symbols.
2835         * reloc.cc (Sized_relobj::do_relocate): Don't call
2836         clear_local_symbols.
2837
2838 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2839
2840         * plugin.cc (is_visible_from_outside): Return true for symbols
2841         in the -u option.
2842
2843 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2844
2845         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2846         filename.
2847
2848 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2849
2850         * icf.h (is_section_foldable_candidate): Change type of parameter
2851         to std::string.
2852         * icf.cc (Icf::find_identical_sections): Change type of local variable
2853         section_name to be std::string.
2854         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2855
2856 2011-01-25  Ian Lance Taylor  <iant@google.com>
2857
2858         * script.cc (script_add_extern): Rewrite to use
2859         add_symbol_reference.
2860
2861 2011-01-25  Doug Kwan  <dougkwan@google.com>
2862
2863         * icf.cc (get_section_contents): Always lock section's object.
2864
2865 2011-01-24  Ian Lance Taylor  <iant@google.com>
2866
2867         * options.h (class General_options): Accept
2868         --no-detect-odr-violations.
2869
2870 2011-01-24  Ian Lance Taylor  <iant@google.com>
2871
2872         * version.cc (version_string): Bump to 1.11.
2873
2874 2011-01-24  Ian Lance Taylor  <iant@google.com>
2875
2876         * plugin.cc (class Plugin_rescan): Define new class.
2877         (Plugin_manager::claim_file): Set any_claimed_.
2878         (Plugin_manager::save_archive): New function.
2879         (Plugin_manager::save_input_group): New function.
2880         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2881         necessary.
2882         (Plugin_manager::new_undefined_symbol): New function.
2883         (Plugin_manager::rescan): New function.
2884         (Plugin_manager::rescannable_defines): New function.
2885         (Plugin_manager::add_input_file): Set any_added_.
2886         * plugin.h (class Plugin_manager): define new fields rescannable_,
2887         undefined_symbols_, any_claimed_, and any_added_.  Declare
2888         Plugin_rescan as friend.  Declare new functions.
2889         (Plugin_manager::Rescannable): Define type.
2890         (Plugin_manager::Rescannable_list): Define type.
2891         (Plugin_manager::Undefined_symbol_list): Define type.
2892         (Plugin_manager::Plugin_manager): Initialize new fields.
2893         * archive.cc (Archive::defines_symbol): New function.
2894         (Add_archive_symbols::run): Pass archive to plugins if any.
2895         * archive.h (class Archive): Declare defines_symbol.
2896         * readsyms.cc (Input_group::~Input_group): New function.
2897         (Finish_group::run): Pass input_group to plugins if any.
2898         * readsyms.h (class Input_group): Declare destructor.
2899         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2900         any.
2901
2902 2011-01-10  Ian Lance Taylor  <iant@google.com>
2903
2904         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2905         section as relro.
2906         (Layout::set_segment_offsets): Reset increase_relro before calling
2907         set_section_addresses a second time.
2908
2909 2011-01-04  Cary Coutant  <ccoutant@google.com>
2910
2911         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2912         sections before NOBITS sections.
2913
2914 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2915
2916         * version.cc (print_version): Update copyright to 2011.
2917
2918 2010-12-23  Cary Coutant  <ccoutant@google.com>
2919
2920         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2921         of OS to this->add.  Add OD parameter to second form of the function.
2922
2923 2010-12-20  Ian Lance Taylor  <iant@google.com>
2924
2925         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2926         second of two consecutive entries with same offset.
2927
2928 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2929
2930         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2931         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2932         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2933         to avoid unneeded links against $(LDADD).
2934         * testsuite/Makefile.in: Regenerate.
2935
2936 2010-12-15  Ian Lance Taylor  <iant@google.com>
2937
2938         PR gold/12324
2939         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2940         for R_X86_64_32 and R_X86_64_PC32.
2941         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2942         ver_matching_def_pic.o.
2943         (ver_matching_def_pic.o): New target.
2944
2945 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2946
2947         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2948         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2949         Move definition before File_read::View member definitions.
2950         (File_read::View::~View): Initialize and hold lock before
2951         updating current_mapped_bytes.
2952
2953 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2954
2955         * dwarf_reader.cc: Remove outdated comment.
2956         * gold-threads.cc: Fix typo in error message.
2957         * archive.cc: Fix typos in comments.
2958         * archive.h: Likewise.
2959         * arm-reloc-property.cc: Likewise.
2960         * arm-reloc-property.h: Likewise.
2961         * arm-reloc.def: Likewise.
2962         * arm.cc: Likewise.
2963         * attributes.h: Likewise.
2964         * cref.cc: Likewise.
2965         * ehframe.cc: Likewise.
2966         * fileread.h: Likewise.
2967         * gold.h: Likewise.
2968         * i386.cc: Likewise.
2969         * icf.cc: Likewise.
2970         * incremental.h: Likewise.
2971         * int_encoding.cc: Likewise.
2972         * layout.h: Likewise.
2973         * main.cc: Likewise.
2974         * merge.h: Likewise.
2975         * object.cc: Likewise.
2976         * object.h: Likewise.
2977         * options.cc: Likewise.
2978         * readsyms.cc: Likewise.
2979         * reduced_debug_output.cc: Likewise.
2980         * reloc.cc: Likewise.
2981         * script-sections.cc: Likewise.
2982         * sparc.cc: Likewise.
2983         * symtab.h: Likewise.
2984         * target-reloc.h: Likewise.
2985         * target.cc: Likewise.
2986         * target.h: Likewise.
2987         * timer.cc: Likewise.
2988         * timer.h: Likewise.
2989         * x86_64.cc: Likewise.
2990
2991 2010-12-09  Cary Coutant  <ccoutant@google.com>
2992
2993         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2994         stack.
2995         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2996         parameter; change all callers.
2997         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2998         * options.h (warn_execstack): New option.
2999
3000 2010-12-07  Doug Kwan  <dougkwan@google.com>
3001
3002         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3003         like function call relocations.
3004
3005 2010-12-07  Ian Lance Taylor  <iant@google.com>
3006
3007         * archive.cc (Archive::get_elf_object_for_member): Permit
3008         punconfigured to be NULL.
3009         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3010         (Archive::include_member): Pass NULL to get_elf_object_for_member
3011         if we searched for the archive and this is the first included
3012         object.
3013
3014 2010-12-01  Ian Lance Taylor  <iant@google.com>
3015
3016         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3017         track_relocs_type_ field.
3018         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3019         Set track_relocs_type_.
3020         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3021         contents when using RELA relocs.
3022         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3023         reloc_map_.
3024         * reloc.cc (Track_relocs::next_addend): New function.
3025         * reloc.h (class Track_relocs): Declare next_addend.
3026
3027 2010-12-01  Ian Lance Taylor  <iant@google.com>
3028
3029         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3030         virtual destructor.
3031
3032 2010-12-01  Ian Lance Taylor  <iant@google.com>
3033
3034         * README: Update compilers known to work and fail.
3035
3036 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3037
3038         * configure.in: For --enable-gold, handle value `default' instead of
3039         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3040         not the default.
3041         * configure: Regenerate.
3042
3043 2010-11-18  Doug Kwan  <dougkwan@google.com>
3044
3045         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3046         and right_alignment to be zero.  Store result alignment only if it is
3047         greater than existing alignment.
3048
3049 2010-11-16  Cary Coutant  <ccoutant@google.com>
3050
3051         PR gold/12220
3052         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3053         Check for ".zdebug_line".
3054
3055 2010-11-16  Doug Kwan  <dougkwan@google.com>
3056             Cary Coutant  <ccoutant@google.com>
3057
3058         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3059         by reference; adjust all callers.
3060         * output.cc (Output_segment::set_section_addresses): Adjust references
3061         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3062         list is empty.
3063         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3064         end at page boundary.
3065
3066 2010-11-16  Cary Coutant  <ccoutant@google.com>
3067
3068         PR gold/12220
3069         * layout.cc (Layout::choose_output_section): Transform names of
3070         compressed sections even when using a script with a SECTIONS clause.
3071         (Layout::output_section_name): Remove code to transform
3072         compressed debug section names.
3073         * output.cc (Output_section::add_input_section): Use uncompressed
3074         section size when tracking input sections.
3075
3076 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3077
3078         * symtab.h (Symbol::NON_PIC_REF): Remove.
3079         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3080         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3081         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3082         (Symbol::use_plt_offset): Take a flags argument and pass it
3083         directly to needs_dynamic_reloc.  Restrict check for undefined
3084         weak symbols to function calls.
3085         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3086         (Target_arm::Scan::global): Use it.
3087         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3088         (Target_arm::Relocate::relocate): Likewise.
3089         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3090         parameter with an r_type parameter.  Use get_reference_flags
3091         to get the flags.
3092         (Target_arm::Relocate::relocate): Update accordingly.
3093         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3094         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3095         (Target_i386::Scan::global): Likewise.
3096         (Target_i386::Relocate::relocate): Likewise.
3097         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3098         parameter with an r_type parameter.  Use get_reference_flags
3099         to get the flags.
3100         (Target_i386::Relocate::relocate): Update accordingly.
3101         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3102         (Target_powerpc::Scan::global): Use it.
3103         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3104         (Target_powerpc::Relocate::relocate): Likewise.
3105         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3106         (Target_sparc::Scan::global): Use it.
3107         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3108         (Target_sparc::Relocate::relocate): Likewise.
3109         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3110         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3111         (Target_x86_64::Scan::global): Likewise.
3112         (Target_x86_64::Relocate::relocate): Likewise.
3113
3114 2010-11-08  Doug Kwan  <dougkwan@google.com>
3115             Cary Coutant  <ccoutant@google.com>
3116
3117         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3118         (Arm_exidx_merge_section::section_contents_): New data member.
3119         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3120         (Arm_input_section::~Arm_input_section): De-allocate memory.
3121         (Arm_input_section::original_contents_): New data member.
3122         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3123         in parameters instead of calling Object::section_contents without
3124         locking.
3125         (Arm_output_section::group_section): New parameter TASK.  Pass it
3126         to callees that need locking objects.
3127         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3128         to lock EXIDX input sections.  Fix a formatting issue.  Call
3129         Arm_exidx_merged_section::build_contents to create merged section
3130         contents.
3131         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3132         to lock object of stub table owner.
3133         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3134         TEXT_SIZE to initialize data member TEXT_SIZE_.
3135         (Arm_exidx_input_section::addralign): Fix typo in comment.
3136         (Arm_exidx_input_section::text_size): New method.
3137         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3138         that require locking objects.  Lock objects before scanning for stubs
3139         and updating local symbols.
3140         (Arm_input_section<big_endian>::init): Copy contents of original
3141         input section.
3142         (Arm_input_section<big_endian>::do_write): Use saved contents of
3143         original input section instead of calling Object::section_contents
3144         without locking.
3145         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3146         size without calling Object::section_size().
3147         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3148         for size.  Allocate a buffer for merged EXIDX entries.
3149         (Arm_exidx_merged_section::build_contents): New method.
3150         (Arm_exidx_merged_section::do_write): Move merge section contents
3151         building code to Arm_exidx_merged_section::build_contetns.  Write
3152         out contetns in buffer instead of building it on the fly.
3153         (Arm_relobj::make_exidx_input_section): Also pass text section size
3154         to Arm_exidx_input_section constructor.
3155         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3156         (Arm_dynobj::do_read_symbols): Fix memory leak.
3157         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3158         * target.h: (class Task): Add forward declaration.
3159         (Target::relax): Add new parameter TASK and pass it to
3160         Target::do_relax().
3161         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3162
3163 2010-11-05  Cary Coutant  <ccoutant@google.com>
3164
3165         PR gold/10708
3166         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3167         object when reading from the file.
3168         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3169         second layout pass.
3170         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3171         when reading section contents.
3172         (get_section_contents): Likewise.
3173         (icf::find_identical_sections): Likewise.
3174         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3175         object when reading from the file.
3176         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3177         the object when doing deferred section layout.
3178
3179 2010-11-03  Nick Clifton  <nickc@redhat.com>
3180
3181         PR gold/12001
3182         * script.h (class Symbol_assignment: name): New member.  Returns
3183         the name of the symbol.
3184         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3185         Returns true if the given symbol name is on the list of
3186         assignments wating to be processed.
3187         * archive.cc (should_incldue_member): If the symbol is undefined,
3188         check to see if it is on the list of symbols pending assignment.
3189
3190 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3191
3192         * script-sections.cc (Script_sections::find_memory_region): Check
3193         for a NULL output section pointer.
3194
3195 2010-10-29  Doug Kwan  <dougkwan@google.com>
3196
3197         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3198         Output_section::add_relaxed_input_section.
3199         * output.cc (Output_section::add_relaxed_input_section): Add new
3200         arguments LAYOUT and NAME.  Set section order index.
3201         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3202         Copy section order index.
3203         * output.h (Output_section::add_relaxed_input_section): Add new
3204         arguments LAYOUT and NAME.
3205
3206 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3207
3208         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3209         NATIVE_OR_CROSS_LINKER.
3210         * testsuite/Makefile.in: Regenerate.
3211
3212 2010-10-20  Doug Kwan  <dougkwan@google.com>
3213
3214         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3215         without SHF_LINK_ORDER flags.
3216         * layout.cc (Layout::choose_output_section): Do not filter
3217         SHF_LINK_ORDER flag in a relocatable link.
3218
3219 2010-10-17  Cary Coutant  <ccoutant@google.com>
3220
3221         * output.h (Output_segment::set_section_addresses): Change function
3222         signature.  Update all callers.
3223         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3224         sections.
3225         (Output_segment::set_section_addresses): Align after last TLS
3226         section.  Add padding before last relro section instead of after.
3227
3228 2010-10-17  Doug Kwan  <dougkwan@google.com>
3229
3230         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3231         GOT output section to be writable.
3232
3233 2010-10-14  Cary Coutant  <ccoutant@google.com>
3234
3235         * debug.h (DEBUG_INCREMENTAL): New flag.
3236         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3237         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3238         mode.
3239         * incremental.cc (report_command_line): Ignore all forms of
3240         --incremental.
3241         * layout.cc (Layout::Layout): Check parameters for incremental link
3242         mode.
3243         * options.cc (General_options::parse_incremental): New function.
3244         (General_options::parse_no_incremental): New function.
3245         (General_options::parse_incremental_full): New function.
3246         (General_options::parse_incremental_update): New function.
3247         (General_options::incremental_mode_): New data member.
3248         (General_options::finalize): Check incremental_mode_.
3249         * options.h (General_options): Update help text for --incremental.
3250         Add --no-incremental, --incremental-full, --incremental-update.
3251         (General_options::Incremental_mode): New enum type.
3252         (General_options::incremental_mode): New function.
3253         (General_options::incremental_mode_): New data member.
3254         * parameters.cc (Parameters::incremental_mode_): New data member.
3255         (Parameters::set_options): Set incremental_mode_.
3256         (Parameters::set_incremental_full): New function.
3257         (Parameters::incremental): New function.
3258         (Parameters::incremental_update): New function.
3259         (set_parameters_incremental_full): New function.
3260         * parameters.h (Parameters::set_incremental_full): New function.
3261         (Parameters::incremental): New function.
3262         (Parameters::incremental_update): New function.
3263         (Parameters::incremental_mode_): New data member.
3264         (set_parameters_incremental_full): New function.
3265         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3266         incremental link mode.
3267         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3268         (Sized_relobj::do_relocate_sections): Likewise.
3269         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3270         option.
3271         * testsuite/Makefile.in: Regenerate.
3272         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3273
3274 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3275
3276         * script-sections.h (class Script_sections): Make
3277         Sections_elements typedef public.
3278         * script-sections.cc (class Sort_output_sections): Add elements_
3279         field.  Add constructor which sets it; change all callers.
3280         (Sort_output_sections::is_before): New function.
3281         (Sort_output_sections::operator()): Call is_before.
3282         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3283         conditional.
3284         * testsuite/script_test_10.sh: New test. Test script section
3285         order.
3286         * testsuite/script_test_10.t: Likewise.
3287         * testsuite/script_test_10.s: Likewise.
3288         * testsuite/Makefile.am: Wrap the cross linker tests and the
3289         common tests into NATIVE_OR_CROSS_LINKER.
3290         (check_SCRIPTS): Add script_test_10.sh.
3291         (check_DATA): Add script_test_10.stdout.
3292         (script_test_10.o, script_test_10): New targets.
3293         (script_test_10.stdout): New target.
3294         * configure, testsuite/Makefile.in: Regenerate.
3295
3296 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3297
3298         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3299         error for the deprecated relocations.
3300         (Target_arm::Scan::global): Likewise.
3301         (Target_arm::Relocate::relocate): Likewise.
3302
3303 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3304
3305         * fileread.cc (Input_file::find_file): Initialize *found_name
3306         and *namep when using the fallback search for case 4.
3307
3308 2010-10-11  Cary Coutant  <ccoutant@google.com>
3309
3310         * options.h (class General_options): Redefine -z lazy as an alias for
3311         the negation of -z now.
3312
3313 2010-10-11  Ian Lance Taylor  <iant@google.com>
3314
3315         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3316         binding.
3317
3318 2010-10-06  Nick Clifton  <nickc@redhat.com>
3319
3320         * script-sections.cc(class Memory_region): Remove
3321         current_lma_offset_ field.  Rename current_vma_offset_ to
3322         current_offset_.  Add last_section_ field.
3323         (Memory_region::get_current_vma_address): Rename to
3324         get_current_address.
3325         (Memory_region::get_current_lma_address): Delete.
3326         (Memory_region::increment_vma_offset): Rename to
3327         increment_offset.
3328         (Memory_region::increment_lma_offset): Delete.
3329         (Memory_region::attributes_compatible): New method.  Returns
3330         true if the provided section is compatible with the region.
3331         (Memory_region::get_last_section): New method.  Returns the last
3332         section to use the region.
3333         (Memory_region::set_last_section): New method.  Stores the last
3334         section to use the region.
3335         (Script_sections::block_in_region): New method.  Returns true if
3336         a block of memory is contained within a region.
3337         (Script_sections::find_memory_region): New method.  Locates a
3338         memory region to be used to set a VMA or LMA address.
3339         (Output_section_definition::set_section_addresses): Add code to
3340         check for addresses set by memory regions.
3341         (Output_segment::set_section_addresses): Remove memory region
3342         walking code.
3343         (Script_sections::create_segment): Add a warning if a header
3344         segment is created outside of any region.
3345         * script-sections.h (class Script_sections): Add prototypes for
3346         find_memory_region and block_in_region methods.
3347         * testsuite/memory_test.s: Use .long instead of .word.
3348         * testsuite/memory_test.t: Add some more output sections.
3349         * testsuite/memory_test.sh: Update expected output.
3350
3351 2010-10-02  Doug Kwan  <dougkwan@google.com>
3352
3353         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3354         defintion to symtab.h
3355         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3356         declaration to defintion.
3357
3358 2010-10-01  Nick Clifton  <nickc@redhat.com>
3359
3360         * expression.cc (eval): Replace dummy argument with NULL.
3361         (eval_maybe_dot): Check for a NULL result section pointer.
3362         (Symbol_expression::value): Likewise.
3363         (Dot_expression::value): Likewise.
3364         (BINARY_EXPRESSION): Likewise.
3365         (Max_expression::value): Likewise.
3366         (Min_expression::value): Likewise.
3367         (Absolute_expression::value): Likewise.
3368         (Addr_expression::value_from_output_section): Likewise.
3369         (Loaddddr_expression::value_from_output_section): Likewise.
3370         (Segment_start_expression::value): Likewise.
3371         * script-sections.cc
3372         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3373         argument with NULL.
3374         (Sections_elememt_dot_assignment::set_section_addresses):
3375         Likewise.
3376         (Output_data_expression::do_write_to_buffer): Likewise.
3377         (Output_section_definition::finalize_symbols): Likewise.
3378         (Output_section_definition::set_section_addresses): Likewise.
3379
3380 2010-09-30  Doug Kwan  <dougkwan@google.com>
3381
3382         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3383
3384 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3385
3386         * target.h (Target::can_icf_inline_merge_sections): New virtual
3387         function.
3388         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3389         virtual function.
3390         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3391         virtual function.
3392         * icf.cc (get_section_contents): Inline merge sections only when
3393         target allows it.
3394
3395 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3396
3397         * configure: Regenerate.
3398
3399 2010-09-17  Ian Lance Taylor  <iant@google.com>
3400
3401         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3402         * testsuite/Makefile.am (memory_test.o): New target.
3403         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3404         memory_test.t.
3405         * testsuite/Makefile.in: Rebuild.
3406
3407 2010-09-17  Doug Kwan  <dougkwan@google.com>
3408
3409         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3410         defintion if relocation uses GOT entries of the symbol.
3411         * testsuite/icf_safe_test.sh: Fix test.
3412         * testsuite/icf_safe_so_test.sh: Fix test.
3413
3414 2010-09-16  Cary Coutant  <ccoutant@google.com>
3415
3416         * script_sections.cc (class Memory_region): Remove "NULL" from
3417         vector initializations.
3418
3419 2010-09-15  Cary Coutant  <ccoutant@google.com>
3420
3421         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3422         Resolve forwarding symbols.
3423
3424 2010-09-15  Doug Kwan  <dougkwan@google.com>
3425
3426         * gold/testsuite/script_test_3.t: Add ARM special sections.
3427         * gold/testsuite/script_test_4.t: Same.
3428         * gold/testsuite/script_test_5.t: Same.
3429         * gold/testsuite/script_test_6.t: Same.
3430         * gold/testsuite/script_test_7.t: Same.
3431         * gold/testsuite/script_test_7.t: Same.
3432         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3433
3434 2010-09-14  Cary Coutant  <ccoutant@google.com>
3435
3436         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3437         (Target_x86_64::Relocate::relocate_tls): Replace check for
3438         saw_tls_block_reloc_ with test for executable section.
3439
3440 2010-09-12  Cary Coutant  <ccoutant@google.com>
3441
3442         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3443         position-independent executables to shared libraries need dynamic
3444         relocations.
3445         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3446         position-independent executables.
3447         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3448         * testsuite/Makefile.in: Regenerate.
3449
3450 2010-09-10  Nick Clifton  <nickc@redhat.com>
3451
3452         PR gold/11997
3453         * testsuite/memory_test.t: Discard any sections that are not
3454         needed.
3455
3456 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3457
3458         PR gold/11996
3459         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3460         "This::" to work around a bug in gcc 4.2.
3461
3462         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3463
3464 2010-09-09  Rafael Espindola  <espindola@google.com>
3465
3466         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3467         sections with different PF_X flags in the same segment.
3468         (Layout::find_first_load_seg): Search all segments to find the first
3469         one.
3470         * options.h (rosegment): New.
3471
3472 2010-09-08  Rafael Espindola  <espindola@google.com>
3473
3474         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3475
3476 2010-09-08  Doug Kwan  <dougkwan@google.com>
3477
3478         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3479         (Arm_relobj::do_relocate_sections): Add new parameter for output
3480         file to match the parent.
3481         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3482         of local symbols instead of input values.  Update code to track
3483         changes in gold::relocate_section.
3484         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3485         (Sized_relobj::compute_final_local_value_internal): New methods.
3486         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3487         body into private version of Sized_relobj::compute_final_local_value.
3488         Call the inline method.
3489         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3490         merged symbol value if there is one.
3491         (Symbol_value::has_output_value): New method defintiion.
3492         (Sized_relobj::Compute_final_local_value_status): New enum type.
3493         (Sized_relobj::compute_final_local_value): New methods.
3494         (Sized_relobj::compute_final_local_value_internal): New methods.
3495         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3496         and arm_cortex_a8.sh.
3497         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3498         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3499         New tests.
3500         * Makefile.in: Regenerate.
3501         * testsuite/arm_bl_out_of_range.s: Update test.
3502         * testsuite/thumb_bl_out_of_range.s: Ditto.
3503         * testsuite/thumb_blx_out_of_range.s: Ditto.
3504         * testsuite/arm_branch_out_of_range.sh: New file.
3505         * testsuite/arm_cortex_a8.sh: Ditto.
3506         * testsuite/arm_cortex_a8_b.s: Ditto.
3507         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3508         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3509         * testsuite/arm_cortex_a8_bl.s: Ditto.
3510         * testsuite/arm_cortex_a8_blx.s: Ditto.
3511         * testsuite/arm_cortex_a8_local.s: Ditto.
3512         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3513         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3514
3515 2010-09-08  Rafael Espindola  <espindola@google.com>
3516
3517         * Makefile.am (memory_test.stdout): Run readelf with -W.
3518         * Makefile.in: Regenerate.
3519         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3520         64 bit output.
3521
3522 2010-09-08  Rafael Espindola  <espindola@google.com>
3523
3524         * script-sections.cc (Script_sections::add_memory_region): Convert
3525         field precision to int.
3526         * script.cc (script_set_section_region, script_set_section_region):
3527         Convert field precision to int.
3528
3529 2010-09-08  Rafael Espindola  <espindola@google.com>
3530
3531         * arm.cc (do_finalize_sections): Create the __exidx_start and
3532         __exdix_end symbols even when the section is missing.
3533
3534 2010-09-08  Nick Clifton  <nickc@redhat.com>
3535
3536         * README: Remove claim that MEMORY is not supported.
3537         * expression.cc (script_exp_function_origin)
3538         (script_exp_function_length): Move from here to ...
3539         * script.cc: ... here.
3540         (script_set_section_region, script_add_memory)
3541         (script_parse_memory_attr, script_include_directive): New
3542         functions.
3543         * script-sections.cc
3544         (class Memory_region): New class.
3545         (class Output_section_definition): Add set_memory_region,
3546         set_section_vma, set_section_lma and get_section_name methods.
3547         (class Script_Sections): Add add_memory_region,
3548         find_memory_region, find_memory_region_origin,
3549         find_memory_region_length and set_memory_region methods.
3550         Have set_section_addresses method walk the list of set memory
3551         regions.
3552         Extend the print methos to display memory regions.
3553         * script-sections.h: Add prototypes for new methods.
3554         Add enum for MEMORY region attributes.
3555         * yyscript.y: Add support for parsing MEMORY regions.
3556         * script-c.h: Add prototypes for new functions.
3557         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3558         * testsuite/Makefile.in: Regenerate.
3559         * testsuite/memory_test.sh: New script.
3560         * testsuite/memory_test.s: New assembler source file.
3561         * testsuite/memory_test.t: New linker script.
3562
3563 2010-08-27  Doug Kwan  <dougkwan@google.com>
3564
3565         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3566         reference override an existing dynamic weak reference.
3567         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3568         * testsuite/Makefile.in: Regenerate.
3569         * testsuite/dyn_weak_ref.sh: New file.
3570         * testsuite/dyn_weak_ref_1.c: Ditto.
3571         * testsuite/dyn_weak_ref_2.c: Ditto.
3572
3573 2010-08-27  Ian Lance Taylor  <iant@google.com>
3574
3575         * incremental.h (class Incremental_input_entry): Add virtual
3576         destructor.
3577
3578 2010-08-27  Ian Lance Taylor  <iant@google.com>
3579
3580         * testsuite/start_lib_test_3.c: Mark t3 as used.
3581
3582 2010-08-27  Nick Clifton  <nickc@redhat.com>
3583
3584         * options.cc (version_script): Fix small typo in previous
3585         whitespace tidyup.
3586
3587 2010-08-25  Nick Clifton  <nickc@redhat.com>
3588
3589         * archive.cc: Formatting fixes: Remove whitespace between
3590         typename and following asterisk.  Remove whitespace between
3591         function name and opening parenthesis.
3592         * archive.h: Likewise.
3593         * arm.cc: Likewise.
3594         * attributes.cc: Likewise.
3595         * attributes.h: Likewise.
3596         * common.cc: Likewise.
3597         * copy-relocs.cc: Likewise.
3598         * dirsearch.h: Likewise.
3599         * dynobj.cc: Likewise.
3600         * ehframe.cc: Likewise.
3601         * ehframe.h: Likewise.
3602         * expression.cc: Likewise.
3603         * fileread.cc: Likewise.
3604         * fileread.h: Likewise.
3605         * gc.h: Likewise.
3606         * gold-threads.cc: Likewise.
3607         * gold.cc: Likewise.
3608         * i386.cc: Likewise.
3609         * icf.h: Likewise.
3610         * incremental-dump.cc: Likewise.
3611         * incremental.cc: Likewise.
3612         * layout.cc: Likewise.
3613         * layout.h: Likewise.
3614         * main.cc: Likewise.
3615         * merge.cc: Likewise.
3616         * merge.h: Likewise.
3617         * object.cc: Likewise.
3618         * object.h: Likewise.
3619         * options.cc: Likewise.
3620         * options.h: Likewise.
3621         * output.cc: Likewise.
3622         * output.h: Likewise.
3623         * plugin.cc: Likewise.
3624         * plugin.h: Likewise.
3625         * powerpc.cc: Likewise.
3626         * reloc.cc: Likewise.
3627         * script-c.h: Likewise.
3628         * script-sections.cc: Likewise.
3629         * script.cc: Likewise.
3630         * stringpool.cc: Likewise.
3631         * symtab.cc: Likewise.
3632         * symtab.h: Likewise.
3633         * target.cc: Likewise.
3634         * timer.cc: Likewise.
3635         * timer.h: Likewise.
3636         * version.cc: Likewise.
3637         * x86_64.cc: Likewise.
3638
3639 2010-08-24  Nick Clifton  <nickc@redhat.com>
3640
3641         PR 11899
3642         * layout.cc (segment_precedes): Sort segments by their physical
3643         addresses, if they have been set.
3644
3645 2010-08-23  Cary Coutant  <ccoutant@google.com>
3646
3647         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3648         symbols data.
3649         (Lib_group::include_member): Unlock object after deleting its
3650         symbols data.
3651         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3652         the bug fixed here.
3653
3654 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3655             Cary Coutant  <ccoutant@google.com>
3656
3657         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3658         constructor, and set_blocker.
3659         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3660         readsyms_blocker_.
3661         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3662         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3663         * testsuite/Makefile.am (start_lib_test): New test case.
3664         * testsuite/Makefile.in: Regenerate.
3665         * testsuite/start_lib_test_main.c: New file.
3666         * testsuite/start_lib_test_1.c: New file.
3667         * testsuite/start_lib_test_2.c: New file.
3668         * testsuite/start_lib_test_3.c: New file.
3669
3670 2010-08-19  Ian Lance Taylor  <iant@google.com>
3671
3672         * Makefile.in: Rebuild with automake 1.11.1.
3673         * aclocal.m4: Likewise.
3674         * testsuite/Makefile.in: Likewise.
3675
3676 2010-08-19  Ian Lance Taylor  <iant@google.com>
3677
3678         PR 10893
3679         * i386.cc (class Output_data_plt_i386): Update declarations.
3680         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3681         local_ifuncs_ fields.
3682         (Target_i386::do_plt_section_for_global): New function.
3683         (Target_i386::do_plt_section_for_local): New function.
3684         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3685         parameter; change all callers.  Initialize global_ifuncs_ and
3686         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3687         __rel_iplt_end.
3688         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3689         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3690         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3691         symbols.
3692         (Target_i386::make_plt_section): New function, broken out of
3693         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3694         (Target_i386::make_plt_entry): Call make_plt_section.
3695         (Target_i386::make_local_ifunc_plt_entry): New function.
3696         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3697         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3698         R_386_IRELATIVE to switch.
3699         (Target_i386::Scan::global): Likewise.
3700         (Target_i386::Relocate::relocate): Likewise.
3701         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3702         switch.
3703         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3704         (Target_x86_64::do_plt_section_for_global): New function.
3705         (Target_x86_64::do_plt_section_for_local): New function.
3706         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3707         parameter; change all callers.  If doing a static link define
3708         __rela_iplt_start and __rela_iplt_end.
3709         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3710         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3711         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3712         to point to .plt.
3713         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3714         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3715         switch.
3716         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3717         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3718         R_X86_64_IRELATIVE to switch.
3719         (Target_x86_64::Scan::global): Likewise.
3720         (Target_x86_64::Relocate::relocate): Likewise.
3721         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3722         switch.
3723         * target.h (class Target): Add plt_section_for_global and
3724         plt_section_for_local functions.  Add do_plt_section_for_global
3725         and do_plt_section_for_local virtual functions.
3726         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3727         clarifying comments.
3728         (Symbol::use_plt_offset): Handle IFUNC symbol.
3729         * object.cc (Sized_relobj::Sized_relobj): Initialize
3730         local_plt_offsets_.
3731         (Sized_relobj::local_has_plt_offset): New function.
3732         (Sized_relobj::local_plt_offset): New function.
3733         (Sized_relobj::set_local_plt_offset): New function.
3734         (Sized_relobj::do_count): Handle IFUNC symbol.
3735         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3736         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3737         is_ifunc_symbol functions.
3738         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3739         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3740         local_plt_offsets_ field.
3741         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3742         * output.h (class Output_section_data): Add non-const
3743         output_section function.
3744         (class Output_data_got): Update declarations.
3745         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3746         Add use_plt_offset parameter to global and local constructors.
3747         Change all callers.  Change local_sym_index_ field to 31 bits.
3748         Change GSYM_CODE and CONSTANT_CODE accordingly.
3749         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3750         doing a static link don't set sh_link field.
3751         (Output_data_got::Got_entry::write): Use PLT offset if
3752         appropriate.
3753         (Output_data_got::add_global_plt): New function.
3754         (Output_data_got::add_local_plt): New function.
3755         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3756         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3757         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3758         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3759         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3760         IFUNC conditional.
3761         * testsuite/ifunc-sel.h: New file.
3762         * testsuite/ifuncmain1.c: New file.
3763         * testsuite/ifuncmain1vis.c: New file.
3764         * testsuite/ifuncmod1.c: New file.
3765         * testsuite/ifuncdep2.c: New file.
3766         * testsuite/ifuncmain2.c: New file.
3767         * testsuite/ifuncmain3.c: New file.
3768         * testsuite/ifuncmod3.c: New file.
3769         * testsuite/ifuncmain4.c: New file.
3770         * testsuite/ifuncmain5.c: New file.
3771         * testsuite/ifuncmod5.c: New file.
3772         * testsuite/ifuncmain6pie.c: New file.
3773         * testsuite/ifuncmod6.c: New file.
3774         * testsuite/ifuncmain7.c: New file.
3775         * configure, testsuite/Makefile.in: Rebuild.
3776
3777 2010-08-18  Ian Lance Taylor  <iant@google.com>
3778
3779         * incremental.cc
3780         (Output_section_incremental_inputs::write_input_files): Add cast
3781         to avoid signed/unsigned comparison warning.
3782         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3783
3784 2010-08-12  Cary Coutant  <ccoutant@google.com>
3785
3786         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3787
3788 2010-08-13  Ian Lance Taylor  <iant@google.com>
3789
3790         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3791
3792 2010-08-12  Cary Coutant  <ccoutant@google.com>
3793             Doug Kwan  <dougkwan@google.com>
3794
3795         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3796         defintion overrides non-weak undef, remember that the original undef
3797         is not weak.
3798         * symtab.cc (Symbol_table::sized_write_global): For undef without
3799         an original weak binding, set binding to global in output.
3800         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3801         * testsuite/Makefile.in: Regenerate.
3802         * testsuite/strong_ref_weak_def.sh: New file.
3803         * testsuite/strong_ref_weak_def_1.c: Ditto.
3804         * testsuite/strong_ref_weak_def_2.c: Ditto.
3805
3806 2010-08-12  Cary Coutant  <ccoutant@google.com>
3807
3808         * testsuite/incremental_test.sh: Rewrite.
3809         * testsuite/incremental_test_1.c: Rewrite.
3810         * testsuite/incremental_test_2.c: Rewrite.
3811
3812 2010-08-12  Cary Coutant  <ccoutant@google.com>
3813
3814         * arm.cc (Target_arm::got_size): Add const.
3815         (Target_arm::got_entry_count): New function.
3816         (Target_arm::plt_entry_count): New function.
3817         (Target_arm::first_plt_entry_offset): New function.
3818         (Target_arm::plt_entry_size): New function.
3819         (Output_data_plt_arm::entry_count): New function.
3820         (Output_data_plt_arm::first_plt_entry_offset): New function.
3821         (Output_data_plt_arm::get_plt_entry_size): New function.
3822         * i386.cc (Target_i386::got_size): Add const.
3823         (Target_i386::got_entry_count): New function.
3824         (Target_i386::plt_entry_count): New function.
3825         (Target_i386::first_plt_entry_offset): New function.
3826         (Target_i386::plt_entry_size): New function.
3827         (Output_data_plt_i386::entry_count): New function.
3828         (Output_data_plt_i386::first_plt_entry_offset): New function.
3829         (Output_data_plt_i386::get_plt_entry_size): New function.
3830         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3831         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3832         * incremental.cc: Include target.h.
3833         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3834         parameter.  Adjust all callers.  Find incremental_got_plt section.
3835         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3836         section.
3837         (Output_section_incremental_inputs::set_final_data_size): Calculate
3838         size of incremental_got_plt section.
3839         (Output_section_incremental_inputs::do_write): Write the
3840         incremental_got_plt section.
3841         (Got_plt_view_info): New struct.
3842         (Local_got_offset_visitor): New class.
3843         (Global_got_offset_visitor): New class.
3844         (Global_symbol_visitor_got_plt): New class.
3845         (Output_section_incremental_inputs::write_got_plt): New function.
3846         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3847         Add parameter.  Adjust all callers.
3848         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3849         (Incremental_inputs::got_plt_section): New function.
3850         (Incremental_inputs::got_plt_section_): New data member.
3851         (Incremental_got_plt_reader): New class.
3852         * layout.cc (Layout::create_incremental_info_sections): Add the
3853         incremental_got_plt section.
3854         * object.h (Got_offset_list::get_list): New function.
3855         (Got offset_list::for_all_got_offsets): New function.
3856         (Sized_relobj::local_got_offset_list): New function.
3857         * powerpc.cc (Target_powerpc::got_size): Add const.
3858         (Target_powerpc::got_entry_count): New function.
3859         (Target_powerpc::plt_entry_count): New function.
3860         (Target_powerpc::first_plt_entry_offset): New function.
3861         (Target_powerpc::plt_entry_size): New function.
3862         (Output_data_plt_powerpc::entry_count): New function.
3863         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3864         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3865         * sparc.cc (Target_sparc::got_size): Add const.
3866         (Target_sparc::got_entry_count): New function.
3867         (Target_sparc::plt_entry_count): New function.
3868         (Target_sparc::first_plt_entry_offset): New function.
3869         (Target_sparc::plt_entry_size): New function.
3870         (Output_data_plt_sparc::entry_count): New function.
3871         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3872         (Output_data_plt_sparc::get_plt_entry_size): New function.
3873         * symtab.h (Symbol::got_offset_list): New function.
3874         (Symbol_table::for_all_symbols): New function.
3875         * target.h (Sized_target::got_entry_count): New function.
3876         (Sized_target::plt_entry_count): New function.
3877         (Sized_target::plt_entry_size): New function.
3878         * x86_64.cc (Target_x86_64::got_size): Add const.
3879         (Target_x86_64::got_entry_count): New function.
3880         (Target_x86_64::plt_entry_count): New function.
3881         (Target_x86_64::first_plt_entry_offset): New function.
3882         (Target_x86_64::plt_entry_size): New function.
3883         (Output_data_plt_x86_64::entry_count): New function.
3884         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3885         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3886
3887 2010-08-12  Cary Coutant  <ccoutant@google.com>
3888
3889         * archive.cc: Include incremental.h.
3890         (Archive::Archive): Initialize incremental_info_.
3891         (Archive::include_member): Record archive members in incremental info.
3892         (Add_archive_symbols::run): Record begin and end of an archive in
3893         incremental info.
3894         (Lib_group::include_member): Record objects in incremental info.
3895         * archive.h (Incremental_archive_entry): Forward declaration.
3896         (Archive::set_incremental_info): New member function.
3897         (Archive::incremental_info): New member function.
3898         (Archive::Unused_symbol_iterator): New class.
3899         (Archive::unused_symbols_begin): New member function.
3900         (Archive::unused_symbols_end): New member function.
3901         (Archive::incremental_info_): New data member.
3902         * incremental-dump.cc (find_input_containing_global): New function.
3903         (dump_incremental_inputs): Dump new incremental info sections.
3904         * incremental.cc: Include symtab.h.
3905         (Output_section_incremental_inputs): New class.
3906         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3907         new incremental info sections.
3908         (Sized_incremental_binary::do_check_inputs): Likewise.
3909         (Incremental_inputs::report_archive): Remove.
3910         (Incremental_inputs::report_archive_begin): New function.
3911         (Incremental_inputs::report_archive_end): New function.
3912         (Incremental_inputs::report_object): New function.
3913         (Incremental_inputs::finalize_inputs): Remove.
3914         (Incremental_inputs::report_input_section): New function.
3915         (Incremental_inputs::report_script): Rewrite.
3916         (Incremental_inputs::finalize): Do nothing but finalize string table.
3917         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3918         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3919         (Incremental_inputs::create_data_sections): New function.
3920         (Incremental_inputs::relocs_entsize): New function.
3921         (Output_section_incremental_inputs::set_final_data_size): New function.
3922         (Output_section_incremental_inputs::do_write): New function.
3923         (Output_section_incremental_inputs::write_header): New function.
3924         (Output_section_incremental_inputs::write_input_files): New function.
3925         (Output_section_incremental_inputs::write_info_blocks): New function.
3926         (Output_section_incremental_inputs::write_symtab): New function.
3927         * incremental.h (Incremental_script_entry): Forward declaration.
3928         (Incremental_object_entry): Forward declaration.
3929         (Incremental_archive_entry): Forward declaration.
3930         (Incremental_inputs): Forward declaration.
3931         (Incremental_inputs_header_data): Remove.
3932         (Incremental_inputs_header): Remove.
3933         (Incremental_inputs_header_write): Remove.
3934         (Incremental_inputs_entry_data): Remove.
3935         (Incremental_inputs_entry): Remove.
3936         (Incremental_inputs_entry_write): Remove.
3937         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3938         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3939         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3940         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3941         Likewise.
3942         (Incremental_input_entry): New class.
3943         (Incremental_script_entry): New class.
3944         (Incremental_object_entry): New class.
3945         (Incremental_archive_entry): New class.
3946         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3947         (Incremental_inputs::report_inputs): Remove.
3948         (Incremental_inputs::report_archive): Remove.
3949         (Incremental_inputs::report_archive_begin): New function.
3950         (Incremental_inputs::report_archive_end): New function.
3951         (Incremental_inputs::report_object): Change prototype.
3952         (Incremental_inputs::report_input_section): New function.
3953         (Incremental_inputs::report_script): Change prototype.
3954         (Incremental_inputs::get_reloc_count): New function.
3955         (Incremental_inputs::set_reloc_count): New function.
3956         (Incremental_inputs::create_data_sections): New function.
3957         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3958         (Incremental_inputs::inputs_section): New function.
3959         (Incremental_inputs::symtab_section): New function.
3960         (Incremental_inputs::relocs_section): New function.
3961         (Incremental_inputs::get_stringpool): Add const.
3962         (Incremental_inputs::command_line): Add const.
3963         (Incremental_inputs::inputs): Remove.
3964         (Incremental_inputs::command_line_key): New function.
3965         (Incremental_inputs::input_file_count): New function.
3966         (Incremental_inputs::input_files): New function.
3967         (Incremental_inputs::relocs_entsize): New function.
3968         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3969         (Incremental_inputs::finalize_inputs): Remove.
3970         (Incremental_inputs::Input_info): Remove.
3971         (Incremental_inputs::lock_): Remove.
3972         (Incremental_inputs::inputs_): Change type.
3973         (Incremental_inputs::inputs_map_): Remove.
3974         (Incremental_inputs::current_object_entry_): New data member.
3975         (Incremental_inputs::inputs_section_): New data member.
3976         (Incremental_inputs::symtab_section_): New data member.
3977         (Incremental_inputs::relocs_section_): New data member.
3978         (Incremental_inputs::reloc_count_): New data member.
3979         (Incremental_inputs_reader): New class.
3980         (Incremental_symtab_reader): New class.
3981         (Incremental_relocs_reader): New class.
3982         * layout.cc (Layout::finalize): Move finalization of incremental info
3983         and creation of incremental info sections to follow finalization of
3984         symbol table.  Set offsets for postprocessing sections.
3985         (Layout::create_incremental_info_sections): Call
3986         Incremental_inputs::create_data_sections.  Add incremental symtab
3987         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3988         sections to layout after input sections.
3989         * layout.h (struct Timespec): Forward declaration.
3990         (Layout::incremental_inputs): Add const.
3991         (Layout::create_incremental_info_sections): Add parameter.
3992         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3993         * object.cc: Include incremental.h.
3994         (Relobj::finalize_incremental_relocs): New function.
3995         (Sized_relobj::do_layout): Record input sections in incremental info.
3996         * object.h (Object::output_section): New function.
3997         (Object::output_section_offset): Moved from Relobj.
3998         (Object::get_incremental_reloc_base): New function.
3999         (Object::get_incremental_reloc_count): New function.
4000         (Object::do_output_section): New function.
4001         (Object::do_output_section_offset): Moved from Relobj.
4002         (Object::do_get_incremental_reloc_base): New function.
4003         (Object::do_get_incremental_reloc_count): New function.
4004         (Object::Object): Initialize new data members.
4005         (Relobj::output_section): Renamed do_output_section and moved to
4006         protected.
4007         (Relobj::output_section_offset): Moved to Object.
4008         (Relobj::do_get_incremental_reloc_base): New function.
4009         (Relobj::do_get_incremental_reloc_count): New function.
4010         (Relobj::allocate_incremental_reloc_counts): New function.
4011         (Relobj::count_incremental_reloc): New function.
4012         (Relobj::finalize_incremental_relocs): New function.
4013         (Relobj::next_incremental_reloc_index): New function.
4014         (Relobj::reloc_counts_): New data member.
4015         (Relobj::reloc_bases_): New data member.
4016         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4017         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4018         (Sized_relobj::incremental_relocs_scan): New function.
4019         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4020         (Sized_relobj::incremental_relocs_write): New function.
4021         (Sized_relobj::incremental_relocs_write_reltype): New function.
4022         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4023         incremental link.
4024         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4025         archives and object files elsewhere.
4026         (Add_symbols::run): Report object files here.
4027         (Finish_group::run): Report end of archive at end of group.
4028         * reloc.cc: Include layout.h, incremental.h.
4029         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4030         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4031         (Sized_relobj::incremental_relocs_scan): New function.
4032         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4033         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4034         (Sized_relobj::incremental_relocs_write): New function.
4035         (Sized_relobj::incremental_relocs_write_reltype): New function.
4036         * script.cc (read_input_script): Rewrite test for incremental link.
4037         Change call to Incremental_inputs::report_script.
4038         * symtab.h (Symbol_table::first_global_index): New function.
4039         (Symbol_table::output_count): New function.
4040
4041 2010-08-12  Doug Kwan  <dougkwan@google.com>
4042
4043         * arm.cc (Target_arm::merge_object_attributes): Check command line
4044         options --no-wchar-size-warning and --no-enum-size-warning.
4045         * options.h (General_options): Add ld-compatible options
4046         --no-enum-size-warning and --no-wchar-size-warning.
4047
4048 2010-08-04  Ian Lance Taylor  <iant@google.com>
4049
4050         * x86_64.cc (Target_x86_64::Scan::local): Use
4051         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4052         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4053         (Target_x86_64::Scan::global): Likewise.
4054         (Target_x86_64::Relocate::relocate): Likewise.
4055         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4056         Likewise.
4057
4058 2010-08-03  Cary Coutant  <ccoutant@google.com>
4059
4060         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4061         to reserve space in merged_strings vector. Keep total input size
4062         for stats.
4063         (Output_merge_string::do_print_merge_stats): Print total input size.
4064         * merge.h (Output_merge_string): Add input_size_ field.
4065         * stringpool.cc (Stringpool_template::string_length): Move
4066         implementations out of Stringpool_template class and place in
4067         stringpool.h.
4068         * stringpool.h (string_length): Move out of Stringpool_template.
4069
4070 2010-08-03  Ian Lance Taylor  <iant@google.com>
4071
4072         PR 11712
4073         * layout.cc (relaxation_loop_body): If address of load segment is
4074         set, adjust address to include headers if possible.
4075
4076 2010-08-03  Ian Lance Taylor  <iant@google.com>
4077
4078         * version.cc (version_string): Bump to 1.10.
4079
4080 2010-08-03  Ian Lance Taylor  <iant@google.com>
4081
4082         PR 11805
4083         * layout.h (enum Output_section_order): Define.
4084         (class Layout): Update declarations.
4085         * layout.cc (Layout::get_output_section): Add order parameter.
4086         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4087         is_first_non_relro parameters.  Change all callers.
4088         (Layout::choose_output_section): Likewise.
4089         (Layout::add_output_section_data): Likewise.
4090         (Layout::make_output_section): Likewise.  Set order.
4091         (Layout::default_section_order): New function.
4092         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4093         * output.cc (Output_section::Output_section): Initialize order_.
4094         Don't initialize deleted fields.
4095         (Output_segment::Output_segment): Don't initialize deleted
4096         fields.
4097         (Output_segment::add_output_section_to_load): New function
4098         replacing add_output_section.  Change all callers to call this or
4099         add_output_section_to_nonload.
4100         (Output_segment::add_output_section_to_nonload): New function.
4101         (Output_segment::remove_output_section): Rewrite.
4102         (Output_segment::add_initial_output_data): Likewise.
4103         (Output_segment::has_any_data_sections): Likewise.
4104         (Output_segment::is_first_section_relro): Likewise.
4105         (Output_segment::maximum_alignment): Likewise.
4106         (Output_segment::has_dynamic_reloc): New function replacing
4107         dynamic_reloc_count.  Change all callers.
4108         (Output_segment::has_dynamic_reloc_list): New function replacing
4109         dynamic_reloc_count_list.  Change all callers.
4110         (Output_segment::set_section_addresses): Rewrite.
4111         (Output_segment::set_offset): Rewrite.
4112         (Output_segment::find_first_and_last_list): Remove.
4113         (Output_segment::set_tls_offsets): Rewrite.
4114         (Output_segment::first_section_load_address): Likewise.
4115         (Output_segment::output_section_count): Likewise.
4116         (Output_segment::section_with_lowest_load_address): Likewise.
4117         (Output_segment::write_section_headers): Likewise.
4118         (Output_segment::print_sections_to_map): Likewise.
4119         * output.h (class Output_data): Remove dynamic_reloc_count_
4120         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4121         (Output_data::add_dynamic_reloc): Rewrite.
4122         (Output_data::has_dynamic_reloc): New function.
4123         (Output_data::dynamic_reloc_count): Remove.
4124         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4125         is_last_relro_, is_first_non_relro_, is_interp_,
4126         is_dynamic_linker_section_ fields.  Add order and set_order
4127         functions.  Remove is_relro_local, set_is_relro_local,
4128         is_last_relro, set_is_last_relro, is_first_non_relro,
4129         set_is_first_non_relro functions, is_interp, set_is_interp,
4130         is_dynamic_linker_section, and set_is_dynamic_linker_section
4131         functions.
4132         (class Output_segment): Change Output_data_list from std::list to
4133         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4134         output_bss_ fields.  Update declarations.
4135
4136 2010-08-02  Ian Lance Taylor  <iant@google.com>
4137
4138         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4139         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4140         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4141
4142 2010-08-02  Ian Lance Taylor  <iant@google.com>
4143
4144         PR 11855
4145         * script.cc (Script_options::Script_options): Initialize
4146         symbol_definitions_ and symbol_references_.
4147         (Script_options::add_symbol_assignment): Update
4148         symbol_definitions_ and symbol_references_.
4149         (Script_options::add_symbol_reference): New function.
4150         (script_symbol): New function.
4151         * script.h (class Script_options): Add symbol_definitions_ and
4152         symbol_references_ fields.
4153         (Script_options::referenced_const_iterator): New type.
4154         (Script_options::referenced_begin): New function.
4155         (Script_options::referenced_end): New function.
4156         (Script_options::is_referenced): New function.
4157         (Script_options::any_unreferenced): New function.
4158         * script-c.h (script_symbol): Declare.
4159         * yyscript.y (exp): Call script_symbol.
4160         * symtab.cc: Include "script.h".
4161         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4162         Change all callers.  Check symbols referenced by scripts.
4163         (Symbol_table::add_undefined_symbols_from_command_line): Add
4164         layout parameter.  Change all callers.
4165         (Symbol_table::do_add_undefined_symbols_from_command_line):
4166         Likewise.  Break out loop body.  Check symbols referenced by
4167         scripts.
4168         (Symbol_table::add_undefined_symbol_from_command_line): New
4169         function broken out of
4170         do_add_undefined_symbols_from_command_line.
4171         * symtab.h (class Symbol_table): Update declarations.
4172         * archive.cc: Include "layout.h".
4173         (Archive::should_include_member): Add layout parameter.  Change
4174         all callers.  Check for symbol mentioned in expression.
4175         * archive.h (class Archive): Update declaration.
4176         * object.cc (Sized_relobj::do_should_include_member): Add layout
4177         parameter.
4178         * object.h (Object::should_include_member): Add layout parameter.
4179         Change all callers.
4180         (Object::do_should_include_member): Add layout parameter.
4181         (class Sized_relobj): Update declaration.
4182         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4183         parameter.
4184         * dynobj.h (class Sized_dynobj): Update declaration.
4185         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4186         layout parameter.
4187         * plugin.h (class Sized_pluginobj): Update declaration.
4188
4189 2010-08-02  Ian Lance Taylor  <iant@google.com>
4190
4191         PR 11866
4192         * output.cc (Output_segment::set_offset): Search for the first and
4193         last sections rather than assuming that the list is in order.
4194         (Output_segment::find_first_and_last_list): New function.
4195         * output.h (class Output_segment): Update declarations.
4196         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4197         (relro_strip_test_SOURCES): New variable.
4198         (relro_strip_test_DEPENDENCIES): New variable.
4199         (relro_strip_test_LDFLAGS): New variable.
4200         (relro_strip_test_LDADD): New variable.
4201         (relro_strip_test.so): New target.
4202
4203 2010-08-02  Ian Lance Taylor  <iant@google.com>
4204
4205         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4206         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4207         (Target_i386::got_tlsdesc_section): New function.
4208         (Target_i386::got_section): Create space for GOT entries for
4209         TLSDESC relocations.
4210         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4211         R_386_TLS_GOTDESC.
4212         (Target_i386::Scan::global): Likewise.
4213         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4214         using TLSDESC GOT.
4215         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4216         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4217         (Target_x86_64::got_tlsdesc_section): New function.
4218         (Target_x86_64::got_section): Create space for GOT entries for
4219         TLSDESC relocations.
4220         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4221         R_386_TLS_GOTDESC.
4222         (Target_x86_64::Scan::global): Likewise.
4223         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4224         using TLSDESC GOT.
4225
4226 2010-08-02  Ian Lance Taylor  <iant@google.com>
4227
4228         * testsuite/final_layout.sh: Use dc to convert from hex to
4229         decimal.
4230
4231 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4232
4233         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4234         paramter to the call to gold::gc_process_relocs.
4235         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4236         paramter to the call to gold::gc_process_relocs.
4237         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4238         parameter to the call to gold::gc_process_relocs.
4239         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4240         template parameter to the call to gold::gc_process_relocs.
4241         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4242         paramter to the call to gold::gc_process_relocs.
4243         * gc.h (get_embedded_addend_size): New function.
4244         (gc_process_relocs): Save the size of the reloc for use by ICF.
4245         * icf.cc (get_section_contents): Get the addend from the text section
4246         for SHT_REL relocation sections.
4247         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4248         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4249         * int_encoding.h (read_from_pointer): New overloaded function.
4250         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4251         * testsuite/icf_sht_rel_addend_test.sh: New file.
4252         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4253         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4254
4255 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4256
4257         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4258         * Makefile.in: Regenerate.
4259         * testsuite/Makefile.in: Regenerate.
4260
4261 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4262
4263         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4264         * gold/testsuite/debug_msg.cc: Likewise.
4265         * gold/testsuite/odr_violation1.cc
4266         * gold/testsuite/odr_violation2.cc
4267
4268 2010-07-21  Cary Coutant  <ccoutant@google.com>
4269
4270         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4271         string, and length fields.
4272         (Output_merge_string::Merged_strings_list): New type.
4273         (Output_merge_string::Merged_strings_lists): New typedef.
4274         (Output_merge_string): Replace merged_strings_ with
4275         merged_strings_lists_.
4276         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4277         Merged_strings_list per input object and section.  Don't store pointer
4278         to the string.  Don't store length with each merged string entry.
4279         (Output_merge_string::finalize_merged_data): Loop over list of merged
4280         strings lists.  Recompute length of each merged string.
4281
4282 2010-07-15  Cary Coutant  <ccoutant@google.com>
4283
4284         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4285         here.
4286
4287 2010-07-14  Ian Lance Taylor  <iant@google.com>
4288
4289         * descriptors.cc (Descriptors::open): Report correct name in error
4290         message.
4291
4292 2010-07-13  Doug Kwan  <dougkwan@google.com>
4293
4294         * arm.cc (Arm_input_section::Arm_input_section): For a
4295         SHT_ARM_EXIDX section, always keeps the input sections.
4296         (Arm_input_section::set_exidx_section_link): New method.
4297         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4298         has_errors_ to false.
4299         (Arm_exidx_input_section::has_errors,
4300         Arm_exidx_input_section::set_has_errors): New methods.
4301         (Arm_exidx_input_section::has_errors_): New data member.
4302         (Arm_relobj::get_exidx_shndx_list): New method.
4303         (Arm_output_section::append_text_sections_to_list): Do not skip
4304         section without SHF_EXECINSTR.
4305         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4306         errors.
4307         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4308         section header.  Make error messages more verbose.  Check for
4309         a non-executable section linked to an EXIDX section.
4310         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4311         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4312         check that there is no deferred EXIDX section if we exit early.
4313         Instead of not making an EXIDX section in case of an error, make one
4314         and set the has_errors flag of it.
4315         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4316         in a relocatable link.
4317         (Target_arm::do_relax): Look for the EXIDX output section instead of
4318         assuming that it is called .ARM.exidx.
4319         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4320         section list.  Do not check for SHF_EXECINSTR section flags but
4321         skip any input section with errors.
4322         * output.cc (Output_section::Output_section): Initialize
4323         always_keeps_input_sections_ to false.
4324         (Output_section::add_input_section): Check for
4325         always_keeps_input_sections_.
4326         *  output.h (Output_section::always_keeps_input_sections,
4327         Output_section::set_always_keeps_input_sections): New methods.
4328         (Output_section::always_keeps_input_sections): New data member.
4329
4330 2010-07-13  Rafael Espindola  <espindola@google.com>
4331
4332         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4333         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4334
4335 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4336             Ian Lance Taylor  <iant@google.com>
4337
4338         * output.h (Output_section_lookup_maps::add_merge_section):
4339         Correct check of whether value was inserted.
4340         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4341         (Output_section_lookup_maps::add_relaxed_input_section):
4342         Likewise.
4343         * arm.cc (Target_arm::got_section): Remove used local os.
4344         * i386.cc (Target_i386::got_section): Likewise.
4345         * x86_64.cc (Target_x86_64::got_section): Likewise.
4346         * sparc.cc (Target_sparc::got_section): Likewise.
4347         (Target_sparc::relocate): Remove unused local have_got_offset.
4348         * powerpc.cc (Target_powerpc::relocate): Likewise.
4349
4350 2010-07-13  Ian Lance Taylor  <iant@google.com>
4351
4352         * compressed_output.cc (zlib_decompress): Fix signature in
4353         !HAVE_ZLIB_H case.
4354
4355         * archive.cc (Archive::include_member): Unlock an external member
4356         of a thin archive.  Don't bother to delete an object we know is
4357         NULL.
4358
4359 2010-07-12  Cary Coutant  <ccoutant@google.com>
4360
4361         * compressed_output.cc (zlib_decompress): New function.
4362         (get_uncompressed_size): New function.
4363         (decompress_input_section): New function.
4364         * compressed_output.h (get_uncompressed_size): New function.
4365         (decompress_input_section): New function.
4366         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4367         Handle compressed debug sections.
4368         * layout.cc (is_compressed_debug_section): New function.
4369         (Layout::output_section_name): Map compressed section names to
4370         canonical names.
4371         * layout.h (is_compressed_debug_section): New function.
4372         (is_debug_info_section): Recognize compressed debug sections.
4373         * merge.cc: Include compressed_output.h.
4374         (Output_merge_data::do_add_input_section): Handle compressed
4375         debug sections.
4376         (Output_merge_string::do_add_input_section): Handle compressed
4377         debug sections.
4378         * object.cc: Include compressed_output.h.
4379         (Sized_relobj::Sized_relobj): Initialize new data members.
4380         (build_compressed_section_map): New function.
4381         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4382         * object.h (Object::section_is_compressed): New method.
4383         (Object::do_section_is_compressed): New method.
4384         (Sized_relobj::Compressed_section_map): New type.
4385         (Sized_relobj::do_section_is_compressed): New method.
4386         (Sized_relobj::compressed_sections_): New data member.
4387         * output.cc (Output_section::add_input_section): Handle compressed
4388         debug sections.
4389         * reloc.cc: Include compressed_output.h.
4390         (Sized_relobj::write_sections): Handle compressed debug sections.
4391
4392 2010-07-08  Cary Coutant  <ccoutant@google.com>
4393
4394         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4395         weak when resolving to a dynamic def.
4396         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4397         for weak undef/dynamic def cases. Adjust callers.
4398         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4399         undef_binding_weak_.
4400         (Symbol_table::sized_write_globals): Adjust symbol binding.
4401         (Symbol_table::sized_write_symbol): Add binding parameter.
4402         * symtab.h (Symbol::set_undef_binding): New method.
4403         (Symbol::is_undef_binding_weak): New method.
4404         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4405         (Symbol_table::should_override): Add new parameter.
4406         (Symbol_table::sized_write_symbol): Add new parameter.
4407
4408         * testsuite/weak_undef_file1.cc: Add new test case.
4409         * testsuite/weak_undef_file2.cc: Fix header comment.
4410         * testsuite/weak_undef_test.cc: Add new test case.
4411
4412 2010-06-29  Doug Kwan  <dougkwan@google.com>
4413
4414         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4415         Initialize USE_SYMBOL_.
4416         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4417         definition.
4418         (Arm_reloc_property::uses_symbol_): New data member declaration.
4419         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4420         uses symbol value and symbol is undefined but not weakly undefined.
4421
4422 2010-06-28  Rafael Espindola  <espindola@google.com>
4423
4424         * plugin.cc (Plugin::load): Use dlerror.
4425
4426 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4427
4428         * symtab.cc (detect_odr_violations): When reporting an ODR
4429         violation, report an object where the symbol is defined.
4430
4431 2010-06-25  Doug Kwan  <dougkwan@google.com>
4432
4433         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4434         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4435         definition.
4436         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4437         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4438         target hook to detect function points.
4439         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4440         * icf.h (Icf::check_section_for_function_pointers): Change type of
4441         parameter SECTION_NAME to const reference to std::string.  Use
4442         target hook to determine if section may have unsafe pointers.
4443         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4444         method definition.
4445
4446 2010-06-21  Rafael Espindola  <espindola@google.com>
4447
4448         * fileread.cc (Input_file::find_fie): New
4449         (Input_file::open): Use Input_file::find_fie.
4450         * fileread.h (Input_file::find_fie): New
4451         * plugin.cc (set_extra_library_path): New.
4452         (Plugin::load): Add set_extra_library_path to the transfer vector.
4453         (Plugin_manager::set_extra_library_path): New.
4454         (Plugin_manager::add_input_file): Use the extra search path if set.
4455         (set_extra_library_path(): New.
4456         * plugin.h (Plugin_manager): Add set_extra_library_path and
4457         extra_search_path_.
4458
4459 2010-06-19  Cary Coutant  <ccoutant@google.com>
4460
4461         * layout.cc (gdb_sections): Add .debug_types.
4462         (lines_only_debug_sections): Likewise.
4463
4464 2010-06-18  Rafael Espindola  <espindola@google.com>
4465
4466         * plugin.cc (add_input_file,add_input_library)
4467         (Plugin_manager::add_input_file): Make filename arguments const.
4468         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4469         const.
4470
4471 2010-06-16  Doug Kwan  <dougkwan@google.com>
4472
4473         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4474         .ARM.attributes section if we have not merged any input
4475         attributes sections.
4476
4477 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4478
4479         * arm.cc: Allow combining objects with no EABI version
4480         information.
4481
4482 2010-06-15  Rafael Espindola  <espindola@google.com>
4483
4484         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4485
4486 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4487
4488         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4489         (struct iovec): Correct !HAVE_READV definition.
4490
4491 2010-06-10  Cary Coutant  <ccoutant@google.com>
4492
4493         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4494         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4495         reloc sections.
4496         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4497
4498         PR 11683
4499         * symtab.h (Symbol::is_placeholder): New member function.
4500         * target-reloc.h (relocate_section): Check for placeholder symbols.
4501
4502         * testsuite/Makefile.am (plugin_test_8): New test.
4503         (plugin_test_9): New test.
4504         * testsuite/Makefile.in: Regenerate.
4505
4506 2010-06-09  Nick Clifton  <nickc@redhat.com>
4507
4508         * yyscript.y (input_list_element): Allow strings prefixed with
4509         the '-' character.  Treat these as libraries.
4510         * script.cc (script_add_library): New function.  Adds a library
4511         specified by "-l<name>" found in an input script.
4512         * script-c.h: Add prototype for script_add_library.
4513
4514 2010-06-07  Doug Kwan  <dougkwan@google.com>
4515
4516         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4517         Restrict stub-group size to be within long conditional branch
4518         range when working around cortex-A8 erratum.
4519
4520 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4521
4522         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4523         #ifdef typo.
4524
4525 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4526
4527         PR gold/11658
4528         * output.cc
4529         (Output_section::Input_section_sort_entry::compare_section_ordering):
4530         Change to return non-zero correctly.
4531         (Output_section::Input_section_sort_section_order_index_compare
4532         ::operator()): Change to fix ambiguity in comparisons.
4533
4534 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4535
4536         * gold.h (is_wildcard_string): New function.
4537         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4538         (Layout::layout_eh_frame): Ditto.
4539         (Layout::find_section_order_index): New method.
4540         (Layout::read_layout_from_file): New method.
4541         * layout.h (Layout::find_section_order_index): New method.
4542         (Layout::read_layout_from_file): New method.
4543         (Layout::input_section_position_): New private member.
4544         (Layout::input_section_glob_): New private member.
4545         * main.cc (main): Call read_layout_from_file here.
4546         * options.h (--section-ordering-file): New option.
4547         * output.cc (Output_section::input_section_order_specified_): New
4548         member.
4549         (Output_section::Output_section): Initialize new member.
4550         (Output_section::add_input_section): Add new parameter.
4551         Keep input sections when --section-ordering-file is used.
4552         (Output_section::set_final_data_size): Sort input sections when
4553         section ordering file is specified.
4554         (Output_section::Input_section_sort_entry): Add new parameter.
4555         Check sorting type.
4556         (Output_section::Input_section_sort_entry::compare_section_ordering):
4557         New method.
4558         (Output_section::Input_section_sort_compare::operator()): Change to
4559         consider section_order_index.
4560         (Output_section::Input_section_sort_init_fini_compare::operator()):
4561         Change to consider section_order_index.
4562         (Output_section::Input_section_sort_section_order_index_compare
4563         ::operator()): New method.
4564         (Output_section::sort_attached_input_sections): Change to sort
4565         according to section order when specified.
4566         (Output_section::add_input_section<32, true>): Add new parameter.
4567         (Output_section::add_input_section<64, true>): Add new parameter.
4568         (Output_section::add_input_section<32, false>): Add new parameter.
4569         (Output_section::add_input_section<64, false>): Add new parameter.
4570         * output.h (Output_section::add_input_section): Add new parameter.
4571         (Output_section::input_section_order_specified): New
4572         method.
4573         (Output_section::set_input_section_order_specified): New method.
4574         (Input_section::Input_section): Initialize section_order_index_.
4575         (Input_section::section_order_index): New method.
4576         (Input_section::set_section_order_index): New method.
4577         (Input_section::section_order_index_): New member.
4578         (Input_section::Input_section_sort_section_order_index_compare): New
4579         struct.
4580         (Output_section::input_section_order_specified_): New member.
4581         * script-sections.cc (is_wildcard_string): Delete and move modified
4582         method to gold.h.
4583         (Output_section_element_input::Output_section_element_input): Modify
4584         call to is_wildcard_string.
4585         (Output_section_element_input::Input_section_pattern
4586         ::Input_section_pattern): Ditto.
4587         (Output_section_element_input::Output_section_element_input): Ditto.
4588         * testsuite/Makefile.am (final_layout): New test case.
4589         * testsuite/Makefile.in: Regenerate.
4590         * testsuite/final_layout.cc: New file.
4591         * testsuite/final_layout.sh: New file.
4592
4593 2010-06-01  Rafael Espindola  <espindola@google.com>
4594
4595         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4596
4597 2010-06-01  Rafael Espindola  <espindola@google.com>
4598
4599         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4600         visibility of symbols.
4601
4602 2010-05-27  Doug Kwan  <dougkwan@google.com>
4603
4604         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4605         from start of output section instead of address for a local symbol
4606         in a merged or relaxed section when doing a relocatable link.
4607
4608 2010-05-26  Rafael Espindola  <espindola@google.com>
4609
4610        PR 11604
4611         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4612         adding sections the garbage collector removed.
4613         * gold/testsuite/Makefile.am: Add test.
4614         * gold/testsuite/Makefile.in: Regenerate.
4615         * gold/testsuite/plugin_test_7.sh: New.
4616         * gold/testsuite/plugin_test_7_1.c: New.
4617         * gold/testsuite/plugin_test_7_2.c: New.
4618
4619 2010-05-26  Rafael Espindola  <espindola@google.com>
4620
4621         * script-sections.cc (Output_section_definition::set_section_addresses):
4622         Check for --section-start.
4623
4624 2010-05-26  Doug Kwan  <dougkwan@google.com>
4625
4626         * arm.cc (Arm_scan_relocatable_relocs): New class.
4627         (Target_arm::relocate_special_relocatable): New method.
4628         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4629         (Arm_relocate_functions::thumb_branch_common): Same.
4630         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4631         instead of Default_scan_relocatable_relocs.
4632         * target-reloc.h (relocate_for_relocatable): Let target handle
4633         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4634         * target.h (Sized_target::relocate_special_relocatable): New method.
4635
4636 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4637
4638         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4639
4640 2010-05-23  Doug Kwan  <dougkwan@google.com>
4641
4642         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4643         instead of a cast.
4644         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4645         with a direct branch, not a conditional branch, to a stub.
4646         * merge.cc (Output_merge_base::record_input_section): New method
4647         defintion.
4648         (Output_merge_data::do_add_input_section): Record input section if
4649         keeps-input-sections flag is set.
4650         (Output_merge_string::do_add_input_section): Ditto.
4651         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4652         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4653         INPUT_SECTIONS_.
4654         (Output_merge_base::keeps_input_sections,
4655         Output_merge_base::set_keeps_input_sections,
4656         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4657         method definitions.
4658         (Output_merge_base::Input_sections): New type declaration.
4659         (Output_merge_base::input_sections_begin,
4660         Output_merge_base::input_sections_end,
4661         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4662         (Output_merge_base::bool keeps_input_sections_,
4663         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4664         Output_merge_base::input_sections_): New data members.
4665         (Output_merge_data::do_set_keeps_input_sections): New method
4666         defintion.
4667         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4668         * output.cc (Output_section::Input_section::relobj): Move method
4669         defintion from class declaration to here and handle merge sections.
4670         (Output_section::Input_section::shndx): Ditto.
4671         (Output_section::Output_section): Remove initializations of removed
4672         data members and initialize new data member LOOKUP_MAPS_.
4673         (Output_section::add_input_section): Set keeps-input-sections flag
4674         for a newly created merge output section as appropriate.  Adjust code
4675         to use Output_section_lookup_maps class.
4676         (Output_section::add_relaxed_input_section): Adjst code for lookup
4677         maps code refactoring.
4678         (Output_section::add_merge_input_section): Add a new parameter
4679         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4680         class.  If adding input section to a newly created merge output
4681         section fails, remove the new merge section.
4682         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4683         Adjust code for use of the Output_section_lookup_maps class.
4684         (Output_section::find_merge_section): Ditto.
4685         (Output_section::build_lookup_maps): New method defintion.
4686         (Output_section::find_relaxed_input_section): Adjust code to use
4687         Output_section_lookup_maps class.
4688         (Output_section::get_input_sections): Export merge sections.  Adjust
4689         code to use Output_section_lookup_maps class.
4690         (Output_section:::add_script_input_section): Adjust code to use
4691         Output_section_lookup_maps class.  Update lookup maps for merge
4692         sections also.
4693         (Output_section::discard_states): Use Output_section_lookup_maps.
4694         (Output_section::restore_states): Same.
4695         * output.h (Merge_section_properties): Move class defintion out of
4696         Output_section.
4697         (Output_section_lookup_maps): New class.
4698         (Output_section::Input_section::is_merge_section): New method
4699         defintion.
4700         (Output_section::Input_section::relobj): Move defintion out of class
4701         defintion.  Declare method only.
4702         (Output_section::Input_section::shndx): Ditto.
4703         (Output_section::Input_section::output_merge_base): New method defintion.
4704         (Output_section::Input_section::u2_.pomb): New union field.
4705         (Output_section::Merge_section_by_properties_map,
4706         Output_section::Output_section_data_by_input_section_map,
4707         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4708         Remove types.
4709         (Output_section::add_merge_input_section): Add new parameter
4710         KEEPS_INPUT_SECTIONS.
4711         (Output_section::build_lookup_maps): New method declaration.
4712         (Output_section::merge_section_map_,
4713         Output_section::merge_section_by_properties_map_,
4714         Output_section::relaxed_input_section_map_,
4715         Output_section::is_relaxed_input_section_map_valid_): Remove data
4716         members.
4717         (Output_section::lookup_maps_): New data member.
4718
4719 2010-05-21  Doug Kwan  <dougkwan@google.com>
4720
4721         PR gold/11619
4722         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4723         avoid a compilation error.
4724
4725 2010-05-19  Rafael Espindola  <espindola@google.com>
4726
4727         * script-sections.cc (Output_section_definition::allocate_to_segment):
4728         Update the phdrs_list even when the output section is NULL.
4729         * testsuite/Makefile.am: Add test.
4730         * testsuite/Makefile.in: Regenerate.
4731         * testsuite/script_test_9.cc: New.
4732         * testsuite/script_test_9.sh: New.
4733         * testsuite/script_test_9.t: New.
4734
4735 2010-05-19  Doug Kwan  <dougkwan@google.com>
4736
4737         * arm.cc (Arm_input_section::original_size): New method.
4738         (Arm_input_section::do_addralign): Add a cast.
4739         (Arm_input_section::do_output_offset): Remove static cast.
4740         (Arm_input_section::original_addralign,
4741          Arm_input_section::original_size_): Change type to uint32_t.
4742         (Arm_input_section::init): Add safe casts for section alignment
4743         and size.
4744         (Arm_input_section::set_final_data_size): Do not set address and
4745         offset of stub table.
4746         (Arm_output_section::fix_exidx_coverage): Change use of of
4747         Output_section::Simple_input_section to that of
4748         Output_section::Input_section.
4749         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4750         except for the first pass.
4751         * output.cc (Output_section::get_input_sections): Change type of
4752         input_sections to std::list<Input_section>.
4753         (Output_section::add_script_input_section): Rename from
4754         Output_section::add_simple_input_section.  Change type of SIS
4755         parameter from Simple_input_section to Input_section.
4756         * output.h (Output_section::Simple_input_section): Remove class.
4757         (Output_section::Input_section): Change class visibility to public.
4758         (Output_section::Input_section::addralign): Use stored alignments
4759         for special input sections if set.
4760         (Output_section::Input_section::set_addralign): New method.
4761         (Output_section::get_input_sections): Change parameter type from
4762         list of Simple_input_section to list of Input_section.
4763         (Output_section::add_script_input_section): Rename from
4764         Output_section::add_simple_input_section. Change first parameter's
4765         type from Simple_input_section to Input_section and remove the
4766         second and third parameters.
4767         * script-sections.cc (Input_section::Input_section_list): Change
4768         type to list of Output_section::Input_section/
4769         (Input_section_info::Input_section_info): Change parameter type of
4770         INPUT_SECTION to Output_section::Input_section.
4771         (Input_section_info::input_section): Change return type.
4772         (Input_section_info::input_section_): Change type to
4773         Output_section::Input_section.
4774         (Output_section_element_input::set_section_addresses): Adjust code
4775         to use Output_section::Input_section instead of
4776         Output_section::Simple_input_section.  Adjust code for renaming
4777         of Output_section::add_simple_input_section.
4778         (Orphan_output_section::set_section_addresses): Ditto.
4779
4780 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4781
4782         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4783         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4784
4785 2010-05-18  Rafael Espindola  <espindola@google.com>
4786
4787         * options.cc (General_options::finalize): Handle -nostdlib.
4788         * options.h (nostdlib): New option.
4789         * script.cc (script_add_search_dir): Handle -nostdlib.
4790
4791 2010-05-12  Doug Kwan  <dougkwan@google.com>
4792
4793         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4794         attributes section only if there no attributes section after merging.
4795         (Target_arm::merge_object_attributes): Move value of
4796         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4797         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4798         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4799         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4800         and arm_attr_merge_7.stdout.
4801         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4802         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4803         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4804         arm_attr_merge_7b.o): New rules.
4805         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4806         arm_attr_merge_7
4807         * testsuite/Makefile.in: Regenerate.
4808         * testsuite/arm_attr_merge.sh: New file.
4809         * testsuite/arm_attr_merge_[67][ab].s: Same.
4810
4811 2010-05-05  Nick Clifton  <nickc@redhat.com>
4812
4813         * po/es.po: Updated Spanish translation.
4814
4815 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4816
4817         * Makefile.am (install-exec-local): Properly install gold as
4818         default cross linker.
4819         * Makefile.in: Regenerated.
4820
4821 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4822             Nick Clifton  <nickc@redhat.com>
4823
4824         * configure.ac (install_as_default): Define and set to false
4825         unless --enable-gold or --enable-gold=both/gold has been
4826         specified.
4827         * configure: Regenerate.
4828
4829         * Makefile.am (install-exec-local): Install the executable as
4830         'ld.gold'.  If install_as_default is true then also install it as
4831         'ld'.
4832         * Makefile.in: Regenerated.
4833
4834 2010-04-24  Ian Lance Taylor  <iant@google.com>
4835
4836         * layout.cc (Layout::layout_reloc): In relocatable link don't
4837         combine reloc sections for grouped sections.
4838
4839 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4840
4841         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4842         sections that are not ordinary to icf.
4843         * icf.cc (get_section_contents): Handle relocation pointing to section
4844         with no object or shndx information.
4845         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4846         * testsuite/Makefile.in: Regenerate.
4847         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4848         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4849
4850 2010-04-22  Ian Lance Taylor  <iant@google.com>
4851
4852         * expression.cc (Expression::Expression_eval_info): Add
4853         result_alignment_pointer field.
4854         (Expression::eval_with_dot): Add result_alignment_pointer
4855         parameter.  Change all callers.
4856         (Expression::eval_maybe_dot): Likewise.
4857         (class Binary_expression): Add alignment_pointer parameter to
4858         left_value and right_value.  Change all callers.
4859         (BINARY_EXPRESSION): Set result alignment.
4860         (class Trinary_expression): Add alignment_pointer parameter to
4861         arg2_value and arg3_value.  Change all callers.
4862         (Trinary_cond::value): Set result alignment.
4863         (Max_expression::value, Min_expression::value): Likewise.
4864         (Align_expression::value): Likewise.
4865         * script-sections.cc (class Sections_element): Add dot_alignment
4866         parameter to set_section_addresses virtual function.  Update
4867         instantiations.
4868         (class Output_section_element): Likewise.
4869         (Script_sections::create_segments): Add dot_alignment parameter.
4870         Change all callers.
4871         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4872         (Script_sections::set_phdrs_clause_addresses): Likewise.
4873         * script-sections.h: Update declarations.
4874         * script.h: Update declarations.
4875         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4876         min_p_align.
4877         * testsuite/script_test_3.t: Set large alignment.
4878         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4879         segment has expected alignment.
4880
4881 2010-04-22  Nick Clifton  <nickc@redhat.com>
4882
4883         * po/gold.pot: Updated by the Translation project.
4884         * po/vi.po: Updated Vietnamese translation.
4885
4886 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4887
4888         * testsuite/Makefile.am (check_PROGRAMS): Add
4889         icf_virtual_function_folding_test.
4890         * testsuite/Makefile.in: Regenerated.
4891
4892 2010-04-15  Andrew Haley  <aph@redhat.com>
4893
4894         * options.h (merge_exidx_entries): New option.
4895         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4896         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4897         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4898         (Target_arm::merge_exidx_entries): New function.
4899         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4900         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4901         to Arm_exidx_fixup constructor.
4902         Add new arg, merge_exidx_entries.
4903         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4904         Arm_output_section::fix_exidx_coverage.
4905
4906 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4907
4908         * icf.cc (get_section_contents): Check for preemptible functions.
4909         Ignore addend when appropriate.
4910         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4911         section folded.
4912         (add_from_relobj): Check for section folded.
4913         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4914         * symtab.h (should_add_dynsym_entry): Add new parameter.
4915         * target-reloc.h (scan_relocs): Check for section folded.
4916         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4917         Check reloc types for function pointers in shared objects.
4918         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4919         case.
4920         (icf_preemptible_functions_test): New test case.
4921         (icf_string_merge_test): New test case.
4922         * testsuite.Makefile.in: Regenerate.
4923         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4924         bar_glob.  Refactor code.
4925         * testsuite/icf_preemptible_functions_test.cc: New file.
4926         * testsuite/icf_preemptible_functions_test.sh: New file.
4927         * testsuite/icf_string_merge_test.cc: New file.
4928         * testsuite/icf_string_merge_test.sh: New file.
4929         * testsuite/icf_virtual_function_folding_test.cc: New file.
4930         * testsuite/icf_virtual_function_folding_test.sh: New file.
4931
4932 2010-04-14  Doug Kwan  <dougkwan@google.com>
4933
4934         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4935         for local symbol recounting if we remove a section due to ICF.
4936         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4937         there are no regular objects in input.
4938
4939 2010-04-13  Doug Kwan  <dougkwan@google.com>
4940
4941         * arm.cc (Arm_input_section::set_final_data_size): Compute
4942         accurate final data size instead of using current data size.
4943
4944 2010-04-09  Doug Kwan  <dougkwan@google.com>
4945
4946         * layout.cc (Layout::choose_output_section): Handle script section
4947         types.
4948         (Layout::make_output_section_for_script): Add section type parameter.
4949         Handle script section types.
4950         * layout.h (Layout::make_output_section_for_script): Add section
4951         type parameter.
4952         * output.cc (Output_section::Output_section): Initialize data member
4953         is_noload_.
4954         (Output_section::do_reset_address_and_file_offset): Do not set address
4955         to 0 if section is a NOLOAD section.
4956         * output.h (Output_section::is_noload): New method.
4957         (Output_section::set_is_noload): Ditto.
4958         (Output_section::is_noload_): New data member.
4959         * script-c.h (Script_section_type): New enum type.
4960         (struct Parser_output_section_header): Add new file section_type.
4961         * script-sections.cc (Sections_element::output_section_name): Add
4962         parameter for returning script section type.
4963         (Output_section_definition::output_section_name): Ditto.
4964         (Output_section_definition::section_type)P; New method.
4965         (Output_section_definiton::script_section_type_name): Ditto.
4966         (Output_section_definition::script_section_type_): New data member.
4967         (Output_section_definition::Output_section_definition): Initialize
4968         data member Output_section_definition::script_section_type_.
4969         (Output_section_definition::create_sections): Pass script section type
4970         to Layout::make_output_section_for_script.
4971         (Output_section_definition::output_section_name): Return script
4972         section type to caller.
4973         (Output_section_definition::set_section_address): Do not advance
4974         dot value and load address if section type is NOLOAD.  Set address
4975         of NOLOAD sections regardless of section flags.
4976         (Output_section_definition::print): Print section type if it is
4977         not SCRIPT_SECTION_TYPE_NONE.
4978         (Output_section_definition::section_type): New method.
4979         (Output_section_definition::script_section_type_name): Ditto.
4980         (Script_sections::output_section_name): Add new parameter
4981         PSECTION_TYPE for returning script section type.  Pass it to
4982         section elements.  Handle discard sections.
4983         (Sort_output_sections::operator()): Handle NOLOAD sections.
4984         * script-sections.h (Script_sections::Section_type): New enum type.
4985         (Script_sections::output_section_name): Add a new parameter for
4986         returning script section type.
4987         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4988         INFO and NOLOAD.
4989         * yyscript.y (union): Add new field SECTION_TYPE.
4990         (COPY, DSECT, INFO, NOLOAD): New tokens.
4991         (opt_address_and_section_type): Change type to output_section_header.
4992         (section_type): New non-terminal
4993         (section_header): Handle section type.
4994         (opt_address_and_section_type): Return section type value.
4995
4996 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4997
4998         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4999         * testsuite/plugin_common_test_2.c (foo): Likewise.
5000
5001 2010-04-08  Doug Kwan  <dougkwan@google.com>
5002
5003         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5004         Output_merge_data.
5005         * output.cc (Output_section::add_merge_input_section): Simplify
5006         code and return status of Output_merge_base::add_input_section.
5007         Update merge section map only if Output_merge_base::add_input_section
5008         returns true.
5009
5010 2010-04-07  Doug Kwan  <dougkwan@google.com>
5011
5012         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5013         if section is marked as containing instructions but has no mapping
5014         symbols.
5015         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5016         correct section index.
5017         (Arm_relobj::find_linked_text_section): Ditto.
5018
5019 2010-04-07  Cary Coutant  <ccoutant@google.com>
5020
5021         * archive.cc (include_member): Destroy Read_symbols_data object before
5022         releasing file.
5023         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5024         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5025         (Read_symbols_data::~Read_symbols_data) New destructor.
5026         (Section_relocs::Section_relocs) New constructor.
5027         (Section_relocs::~Section_relocs) New destructor.
5028         (Read_relocs_data::Read_relocs_data) New constructor.
5029         (Read_relocs_data::~Read_relocs_data) New destructor.
5030         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5031         pointers to NULL after deleting.
5032
5033 2010-04-07  Doug Kwan  <dougkwan@google.com>
5034
5035         * arm.cc: Replace "endianity" with "endianness" in comments.
5036         (Arm_exidx_cantunwind): Ditto.
5037         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5038         (Arm_relobj::merge_flags_and_attributes): New method.
5039         (Arm_relobj::merge_flags_and_attributes_): New data member.
5040         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5041         (Arm_relobj::scan_sections_for_stubs): Ditto.
5042         (Arm_relobj::do_read_symbols): Check to see if we really want to
5043         merge processor-specific flags and attributes.  Exit early if
5044         an object is empty except for section names and the undefined symbol.
5045         (Target_arm::do_finalize_sections): Move check for ELF format to
5046         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5047         attributes from a regular object only when we have determined that
5048         it is aapropriate.  Do not create an .ARM.attributes section in
5049         output if there is no regular input object.
5050         (Target_arm::merge_processor_specific_flags): Check
5051         --warn-mismatch before printing any error.
5052         (Target_arm::merge_object_attributes): Ditto.
5053         * gold.cc (queue_middle_tasks): Handle the case in which there is
5054         no regular object in input.
5055         * options.cc (General_options::parse_EB): New method.
5056         (General_options::parse_EL): Same.
5057         (General_options::General_options): Initialize endianness_.
5058         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5059         New options.
5060         (General_options::Endianness): New enum.
5061         (General_options::endianness): New method.
5062         (General_options::endianness_): New data member.
5063         * parameters.cc (Parameters::set_options): Check target endianness.
5064         (Parameters::set_target_once): Ditto.
5065         (Parameters::check_target_endianness): New method.
5066         (parameters_force_valid_target): If either -EL or -EB is specified,
5067         use it to define endianness of default target.
5068         * parameters.h (Parameters::check_target_endianness): New method
5069         declaration.
5070         * target.h (class Target): Change "endianity" to "endianness"
5071         in comments.
5072
5073 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5074
5075         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5076         * configure: Regenerate.
5077         * Makefile.in: Regenerate.
5078         * testsuite/Makefile.in: Regenerate.
5079
5080 2010-04-06  Cary Coutant  <ccoutant@google.com>
5081
5082         gcc PR lto/42757
5083         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5084         prevailing definitions of common symbols.
5085         * testsuite/plugin_test_6.sh: New test case.
5086         * testsuite/plugin_common_test_1.c: New test case.
5087         * testsuite/plugin_common_test_2.c: New test case.
5088         * testsuite/Makefile.am (plugin_test_6): New test case.
5089         * testsuite/Makefile.in: Regenerate.
5090
5091 2010-04-06  Nick Clifton  <nickc@redhat.com>
5092
5093         * po/vi.po: New Vietnamese translation.
5094
5095 2010-03-30  Doug Kwan  <dougkwan@google.com>
5096
5097         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5098
5099 2010-03-25  Doug Kwan  <dougkwan@google.com>
5100
5101         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5102         to avoid a conversion warning on a 32-bit host.
5103
5104 2010-03-24  Ian Lance Taylor  <iant@google.com>
5105
5106         * testsuite/script_test_3.t: Add a TLS segment.
5107         * testsuite/Makefile.am (check_PROGRAMS): Add
5108         tls_phdrs_script_test.
5109         (tls_phdrs_script_test_SOURCES): Define.
5110         (tls_phdrs_script_test_DEPENDENCIES): Define.
5111         (tls_phdrs_script_test_LDFLAGS): Define.
5112         (tls_phdrs_script_test_LDADD): Define.
5113         * testsuite/Makefile.in: Rebuild.
5114
5115 2010-03-23  Cary Coutant  <ccoutant@google.com>
5116
5117         * fileread.cc (find_or_make_view): Fix comment.
5118
5119 2010-03-23  Ian Lance Taylor  <iant@google.com>
5120
5121         * script-sections.cc (class Orphan_section_placement): Define
5122         PLACE_TLS and PLACE_TLS_BSS.
5123         (Orphan_section_placement::Orphan_section_placement): Initialize
5124         new places.
5125         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5126         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5127         (tls_script_test_SOURCES): Define.
5128         (tls_script_test_DEPENDENCIES): Define.
5129         (tls_script_test_LDFLAGS): Define.
5130         (tls_script_test_LDADD): Define.
5131         * testsuite/Makefile.in: Rebuild.
5132
5133 2010-03-22  Doug Kwan  <dougkwan@google.com>
5134
5135         * arm.cc (Arm_relocate_functions::abs8,
5136         Arm_relocate_functions::abs16): Use correct check for overflow
5137         specified in the ARM ELF specs.
5138         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5139         target of a BLX instruction specially.
5140         (Reloc_stub::stub_type_for_reloc): Ditto.
5141         (Relocate::relocate): Use symbolic names instead of numeric relocation
5142         codes to report error.
5143         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5144         workaround.
5145         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5146         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5147         thumb2_blx_out_of_range.stdout
5148         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5149         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5150         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5151         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5152         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5153         thumb2_blx_in_range, thumb2_blx_in_range.o,
5154         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5155         thumb2_blx_out_of_range.o): New rules.
5156         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5157         thumb2_blx_in_range and thumb2_blx_out_of_range.
5158         * testsuite/Makefile.in: Regenerate.
5159         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5160         * testsuite/thumb_blx_in_range.s: New file.
5161         * testsuite/thumb_blx_out_of_range.s: New file.
5162
5163 2010-03-22  Rafael Espindola  <espindola@google.com>
5164
5165         * archive.cc (Should_include): Move to archive.h.
5166         (should_include_member): Make it a member of Archive.
5167         (Lib_group): New.
5168         (Add_lib_group_symbols): New.
5169         * archive.h: Include options.h.
5170         (Archive_member): Moved from Archive.
5171         (Should_include): Moved from archive.cc.
5172         (Lib_group): New.
5173         (Add_lib_group_symbols): New.
5174         * dynobj.cc (do_should_include_member): New.
5175         * dynobj.h (do_should_include_member): New.
5176         * gold.cc (queue_initial_tasks): Update call to queue.
5177         * main.cc (main): Print lib group stats.
5178         * object.cc (do_should_include_member): New.
5179         * object.h: Include archive.h.
5180         (Object::should_include_member): New.
5181         (Object::do_should_include_member): New.
5182         (Sized_relobj::do_should_include_member): New.
5183         * options.cc (General_options::parse_start_lib): New.
5184         (General_options::parse_end_lib): New.
5185         (Input_arguments::add_file): Handle lib groups.
5186         (Input_arguments::start_group): Check we are not in a lib.
5187         (Input_arguments::start_lib): New.
5188         (Input_arguments::end_lib): New.
5189         * options.h (General_options): Add start_lib and end_lib.
5190         (Input_argument::lib_): New.
5191         (Input_argument::lib): New.
5192         (Input_argument::is_lib): New.
5193         (Input_file_lib): New.
5194         (Input_arguments::in_lib_): New.
5195         (Input_arguments::in_lib): New.
5196         (Input_arguments::start_lib): New.
5197         (Input_arguments::end_lib_): New.
5198         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5199         in unused members as preempted.
5200         (Sized_pluginobj::do_should_include_member): New.
5201         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5202         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5203         return the blocker.
5204         (Read_symbols::do_whole_lib_group): New.
5205         (Read_symbols::do_lib_group): New.
5206         (Read_symbols::do_read_symbols): Handle lib groups.
5207         (Read_symbols::get_name): Handle lib groups.
5208         * readsyms.h (Read_symbols): Add an archive member pointer.
5209         (Read_symbols::do_whole_lib_group): New.
5210         (Read_symbols::do_lib_group): New.
5211         (Read_symbols::member_): New.
5212         * script.cc (read_input_script): Update call to queue_soon.
5213
5214 2010-03-19  Doug Kwan  <dougkwan@google.com>
5215
5216         * arm.cc (Stub_table::Stub_table): Initialize new data members
5217         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5218         (Stub_table::add_reloc_stub): Assign stub offset and update
5219         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5220         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5221         New data members.
5222         (Stub_table::update_data_size_and_addralign): Use
5223         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5224         instead of going over all reloc stubs.
5225         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5226         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5227         Stringpool_template::offset_ to size of Stringpool_char.
5228         (Stringpool_template::new_key_offset): Remove code to initialize
5229         Stringpool_template::offset_.
5230         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5231         Stringpool_template::offset_ to zero.
5232
5233 2010-03-15  Doug Kwan  <dougkwan@google.com>
5234
5235         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5236         offset_.
5237         (Stringpool_template::new_key_offset): New method.
5238         (Stringpool_template::add_string): Assign offsets when adding new
5239         strings.
5240         (Stringpool_template::set_string_offsets): Do not set string offsets
5241         when not optimizing.
5242         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5243         member size_.
5244         (Chunked_vector::clear): Clear size_.
5245         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5246         (Chunked_vector::size): Return size_.
5247         (Chunked_vector::push_back): Use size_ to find insert position.
5248         (Chunked_vector::size_): New data member.
5249         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5250         (Stringpool_template::new_key_offset): New method declaration.
5251         (Stringpool_template::offset_): New data member.
5252
5253 2010-03-15   Rafael Espindola  <espindola@google.com>
5254
5255         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5256         Add_symbols' constructor.
5257         * readsyms.h (Add_symbols): Remove the input_group member.
5258
5259 2010-03-10  Ian Lance Taylor  <iant@google.com>
5260
5261         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5262         target to ask whether a reference to a symbol requires a stack
5263         split.
5264         * target.h (Target::is_call_to_non_split): New function.
5265         (Target::do_is_call_to_non_split): Declare virtual function.
5266         * target.cc: Include "symtab.h".
5267         (Target::do_is_call_to_non_split): New function.
5268         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5269
5270 2010-03-10  Cary Coutant  <ccoutant@google.com>
5271
5272         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5273         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5274         (File_read::open[2]): Add whole_file_view_ to list of views.
5275         (File_read::make_view): Remove test of whole_file_view_.
5276         (File_read::find_or_make_view): Create whole_file_view_ if
5277         necessary.
5278         (File_read::clear_views): Replace bool parameter with enum;
5279         adjust all callers.  Don't delete views with permanent data;
5280         do delete cached views and views from archives if
5281         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5282         if clearing the corresponding view.
5283         * fileread.h (File_read::Clear_views_mode): New enum.
5284         (File_read::View::is_permanent_view): New method.
5285         (File_read::clear_views): Replace bool parameter
5286         with enum; adjust all callers.
5287         * options.h (General_options): Change keep_files_mapped option;
5288         add map_whole_files.
5289         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5290         releasing the file.
5291         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5292         the file.
5293
5294 2010-03-10  David S. Miller  <davem@davemloft.net>
5295
5296         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5297
5298 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5299
5300         * icf.cc (get_section_contents): Add '@' marker after processing the
5301         merge reloc.
5302
5303 2010-03-08  Doug Kwan  <dougkwan@google.com>
5304
5305         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5306         due to a conversion warning.
5307         (Arm_relobj::update_output_local_symbol_count): Check for local
5308         symbol with unset output index.
5309
5310 2010-03-05  Ian Lance Taylor  <iant@google.com>
5311
5312         * options.h (class General_options): Add --spare-dynamic-tags.
5313         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5314         --spare-dynamic-tags.
5315
5316 2010-03-05  Ian Lance Taylor  <iant@google.com>
5317
5318         * incremental.cc: Include "libiberty.h".
5319
5320 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5321
5322         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5323         function, is_info_ member.
5324         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5325         (Versions::Versions): Update caller.
5326         (Versions::define_base_version): Likewise.
5327         (Versions::add_def): Likewise.
5328
5329 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5330
5331         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5332         (Scan::possible_function_pointer_reloc): New function.
5333         (Scan::local_reloc_may_be_function_pointer): Change to call
5334         possible_function_pointer_reloc.
5335         (Scan::global_reloc_may_be_function_pointer): Ditto.
5336         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5337         relocations in ".data.rel.ro._ZTV" section.
5338         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5339         * testsuite/icf_safe_so_test.cc: Ditto.
5340         * testsuite/icf_safe_test.cc: Ditto.
5341         * testsuite/icf_safe_test.sh: Ditto.
5342
5343 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5344             Ian Lance Taylor  <iant@google.com>
5345
5346         * target-reloc.h (relocate_section): Check the symbol table index
5347         for -1U before setting the local symbol index.
5348         (scan_relocatable_relocs): If copying the relocation, record that
5349         the local symbol is required.
5350         * object.h (Symbol_value::is_output_symtab_index_set): New
5351         function.
5352         (Symbol_value::may_be_discarded_from_output_symtab): New
5353         function.
5354         (Symbol_value::has_output_symtab_entry): New function.
5355         (Symbol_value::needs_output_symtab_entry): Remove.
5356         (Symbol_value::output_symtab_index): Make sure the symbol index is
5357         set.
5358         (Symbol_value::set_output_symtab_index): Make sure the symbol
5359         index is not set.  Make sure the new index is valid.
5360         (Symbol_value::set_must_have_output_symtab_entry): New function.
5361         (Symbol_value::has_output_dynsym_entry): New function.
5362         (Symbol_value::set_output_dynsym_index): Make sure the new index
5363         is valid.
5364         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5365         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5366         local symbol if permitted.
5367         (Sized_relobj::do_finalize_local_symbols): Call
5368         is_output_symtab_index_set rather than needs_output_symtab_entry.
5369         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5370         rather than needs_output_symtab_entry.  Call
5371         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5372         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5373         is_output_symtab_index_set rather than needs_output_symtab_entry.
5374         * testsuite/discard_locals_relocatable_test.c: New file.
5375         * testsuite/discard_locals_test.sh: Test -r.
5376         * testsuite/Makefile.am (check_DATA): Add
5377         discard_locals_relocatable_test1.syms,
5378         discard_local_relocatable_test2.syms.
5379         (MOSTLYCLEANFILES): Likewise.  Also add
5380         discard_locals_relocatable_test1.lout and
5381         discard_locals_relocatable_test2.out.
5382         (discard_locals_relocatable_test1.syms): New target.
5383         (discard_locals_relocatable_test.o): New target.
5384         (discard_locals_relocatable_test1.out): New target.
5385         (discard_locals_relocatable_test2.syms): New target.
5386         (discard_locals_relocatable_test2.out): New target.
5387         (various): Add missing ../ld-new dependencies.
5388         * testsuite/Makefile.in: Rebuild.
5389
5390 2010-03-03  Nick Clifton  <nickc@redhat.com>
5391
5392         * po/fi.po: New Finnish translation.
5393
5394 2010-03-01  Doug Kwan  <dougkwan@google.com>
5395
5396         * layout.cc (Layout::Layout): Force section types of .init_array*,
5397         .preinit_array* and .fini_array* sections.
5398         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5399         Fix check of return value of std::string::find.().
5400         (Output_section::Input_section_sort_compare::operator()): Remove
5401         comment about .init_array.
5402         (Output_section::Input_section_sort_init_fini_compare::operator()):
5403         New method.
5404         (Output_section::sort_attached_input_sections): Handle .init_array
5405         and .fini_array specially.
5406         * output.h (Output_section::Inut_section_sort_compare): Update
5407         comment.
5408         (Output_section::Input_section_sort_init_fini_compare): New struct.
5409
5410 2010-02-26  Doug Kwan  <dougkwan@google.com>
5411
5412         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5413         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5414         * testsuite/debug_msg.sh: Avoid matching source line number for
5415         use of global variable undef_int.
5416
5417 2010-02-26  Doug Kwan  <dougkwan@google.com>
5418
5419         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5420         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5421         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5422         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5423         * options.cc (General_options::General_options): Initialize member
5424         fix_v4bx_.
5425         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5426         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5427         and rm_no_fix_v4bx.stdout
5428         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5429         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5430         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5431         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5432         and arm_no_fix_v4bx.
5433         * Makefile.in: Regenerate.
5434         * testsuite/arm_fix_v4bx.s: New file.
5435         * testsuite/arm_fix_v4bx.sh: Ditto.
5436
5437 2010-02-24  Doug Kwan  <dougkwan@google.com>
5438
5439         * arm.cc (Target_arm::got_section): Make the .got section the first
5440         non RELRO section in the data segment.
5441         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5442         suffixes of section names.
5443
5444 2010-02-24  Doug Kwan  <dougkwan@google.com>
5445
5446         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5447         flags and attributes merging if an input file is a binary file.
5448         * fileread.cc (Input_file::open): Record format of original file.
5449         * fileread.h (Input_file::Format): New enum type.
5450         (Input_file::Input_file): Initialize data member format_.
5451         (Input_file::format): New method definition.
5452         (Input_file::format_):: New data member.
5453
5454 2010-02-24  Doug Kwan  <dougkwan@google.com>
5455
5456         * arm.cc (Arm_output_data_got): New class.
5457         (ARM_TCB_SIZE): New constant
5458         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5459         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5460         If user uses a script with a SECTIONS clause, issue only a warning
5461         for a misplaced EXIDX input section.  Otherwise, issue an error.
5462         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5463         garbage collection.
5464         (Target_arm::got_mode_index_entry): Handle static linking.
5465         (Target_arm::Scan::local): Ditto.
5466         (Target_arm::Scan::global): Ditto.
5467         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5468         all incorrectly implemented relocations.
5469         (Target_arm::fix_exidx_coverage): Pass layout to
5470         Arm_output_section::fix_exidx_coverage.
5471         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5472         from ".ARM.exidx." and ".ARM.extab.".
5473
5474 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5475
5476         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5477         section if it does not already exist.
5478         * attributes.cc (Attributes_section_data::Attributes_section_data):
5479         Don't crash if size is zero.
5480
5481 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5482             Ian Lance Taylor  <iant@google.com>
5483
5484         * gold.cc (queue_middle_tasks): If no input files were opened,
5485         exit.
5486         * workqueue.h (Task_function::Task_function): Assert that there is
5487         a blocker.
5488
5489 2010-02-22  Doug Kwan  <dougkwan@google.com>
5490
5491         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5492         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5493         types to avoid warnings due to different uint64_t implementations
5494         on different hosts.
5495
5496 2010-02-21  Doug Kwan  <dougkwan@google.com>
5497
5498         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5499         handling of the maximum backward branch offset.
5500         (Arm_relocate_functions::thumb_branch_common): Ditto.
5501         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5502         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5503         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5504         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5505         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5506         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5507         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5508         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5509         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5510         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5511         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5512         thumb2_bl_out_of_range.o): New rules.
5513         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5514         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5515         thumb2_bl_out_of_range
5516         * testsuite/Makefile.in: Regenerate.
5517         * testsuite/arm_bl_in_range.s: New file.
5518         * testsuite/arm_bl_out_of_range.s: Ditto.
5519         * testsuite/arm_branch_in_range.sh: Ditto.
5520         * testsuite/arm_branch_range.t: Ditto.
5521         * testsuite/thumb2_branch_range.t: Ditto.
5522         * testsuite/thumb_bl_in_range.s: Ditto.
5523         * testsuite/thumb_bl_out_of_range.s: Ditto.
5524         * testsuite/thumb_branch_range.t: Ditto.
5525
5526 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5527
5528         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5529         Add reloc offset information.
5530         * icf.cc (get_section_contents): Change iterators to point to the new
5531         vectors. Add reloc offset information to the contents.
5532         * icf.h (Icf::Sections_reachable_info): New typedef.
5533         (Icf::Sections_reachable_list): New typedef.
5534         (Icf::Offset_info): New typedef.
5535         (Icf::Reloc_info): New struct typedef.
5536         (Icf::Reloc_info_list): New typedef.
5537         (Icf::symbol_reloc_list): Delete method.
5538         (Icf::addend_reloc_list): Delete method.
5539         (Icf::section_reloc_list): Delete method.
5540         (Icf::reloc_info_list): New method.
5541         (Icf::reloc_info_list_): New member.
5542
5543 2010-02-19  Doug Kwan  <dougkwan@google.com>
5544
5545         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5546         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5547         * arm.cc (Arm_relocation_functions): New forward declaration.
5548         (Target_arm::Target_arm): Initialize new data members
5549         got_mod_index_offset_ and tls_base_symbol_defined_.
5550         (Target_arm::Relocate::relocate_tls): New method.
5551         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5552          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5553         New methods.
5554         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5555         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5556         (Target_arm::got_mod_index_offset_,
5557         Target_arm::tls_base_symbol_defined_): New data members.
5558         (Target_arm::Scan::local, Target::Scan::global,
5559         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5560         relocations.
5561
5562 2010-02-18  Doug Kwan  <dougkwan@google.com>
5563
5564         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5565         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5566         text section as a parameter becuase some broken tools may not set
5567         the link in section header.
5568         (Target_arm::has_got_section): New method.
5569         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5570         without any mapping symbol as data only.  Remove warning.
5571         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5572         link in its section header, try to discover the link by inspecting the
5573         REL31 relocation at the beginning of the section.
5574         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5575         in error message.
5576         (Target_arm::Scan::global): Treat any reference to the symbol
5577         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5578
5579 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5580
5581         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5582         (Scan::global_reloc_may_be_function_pointer): New function.
5583         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5584         (Scan::global_reloc_may_be_function_pointer): New function.
5585         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5586         (Scan::global_reloc_may_be_function_pointer): New function.
5587         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5588         (Scan::global_reloc_may_be_function_pointer): New function.
5589         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5590         (Scan::global_reloc_may_be_function_pointer): New function.
5591         (Scan::possible_function_pointer_reloc): New function.
5592         (Target_x86_64::can_check_for_function_pointers): New function.
5593         * gc.h (gc_process_relocs): Scan relocation types to determine if
5594         function pointers were taken for targets that support it.
5595         * icf.cc (Icf::find_identical_sections): Include functions for
5596         folding in safe ICF whose pointer is not taken.
5597         * icf.h (Secn_fptr_taken_set): New typedef.
5598         (fptr_section_id_): New member.
5599         (section_has_function_pointers): New function.
5600         (set_section_has_function_pointers): New function.
5601         (check_section_for_function_pointers): New function.
5602         * options.h: Fix comment for safe ICF option.
5603         * target.h (can_check_for_function_pointers): New function.
5604         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5605         Modify icf_safe_test for X86-64.
5606         * testsuite/Makefile.in: Regenerate.
5607         * testsuite/icf_safe_so_test.cc: New file.
5608         * testsuite/icf_safe_so_test.sh: New file.
5609         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5610         (main): Change to take pointer to function kept_func_3.
5611         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5612         folding is done correctly for X86-64.
5613
5614 2010-02-12  David S. Miller  <davem@davemloft.net>
5615
5616         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5617         is_symbolless parameter.
5618         (Output_reloc<SHT_REL>::is_symbolless): New.
5619         (Output_reloc<SHT_REL>::is_symbolless_): New.
5620         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5621         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5622         (Output_reloc<SHT_RELA>::is_symbolless): New.
5623         (Output_data_reloc::add_global): Handle is_symbolless.
5624         (Output_data_reloc::add_global_relative): Likewise.
5625         (Output_data_reloc::add_local): Likewise.
5626         (Output_data_reloc::add_local_relative): Likewise.
5627         (Output_data_reloc::add_symbolless_global_addend): New.
5628         (Output_data_reloc::add_symbolless_local_addend): New.
5629         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5630         is_symbolless.
5631         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5632         instead of ->is_relative_
5633         (Output_reloc::write): Likewise.
5634         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5635         (Output_reloc::write_rel): Simplify.
5636
5637         * sparc.cc (Target_sparc::Scan::local): Use
5638         ->add_symbolless_local_addend as needed.
5639         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5640         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5641         based upon relocation offset.
5642
5643 2010-02-11  Doug Kwan  <dougkwan@google.com>
5644
5645         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5646         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5647         beginning of function.
5648         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5649         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5650         parameter is_32bit in calls to should_apply_static_reloc.
5651         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5652         (check_DATA): Add arm_abs_global.stdout.
5653         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5654         arm_abs_global.stdout): New rules.
5655         (MOSTLLYCLEANFILES): Add arm_abs_global
5656         * Makefile.in: Regenerate.
5657         * testsuite/arm_abs_global.s: New file.
5658         * testsuite/arm_abs_global.sh: Ditto.
5659         * testsuite/arm_abs_lib.s: Ditto.
5660
5661 2010-02-11  Ian Lance Taylor  <iant@google.com>
5662
5663         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5664         Read_relocs task.
5665         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5666         Allocate_commons_task first.
5667         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5668         task, rather than symtab_lock_.
5669         (Gc_process_relocs::~Gc_process_relocs): New function.
5670         (Gc_process_relocs::is_runnable): Check this_blocker_.
5671         (Gc_process_relocs::locks): Use next_blocker_ rather than
5672         blocker_.
5673         (Scan_relocs::~Scan_relocs): New function.
5674         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5675         symtab_lock_.
5676         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5677         next_blocker_.
5678         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5679         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5680         constructor accordingly.
5681         (class Gc_process_relocs): Likewise.
5682         (class Scan_relocs): Likewise.
5683         * common.h (class Allocate_commons_task): Remove symtab_lock_
5684         field, and corresponding constructor parameter.
5685         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5686         symtab_lock_.
5687         (Allocate_commons_task::locks): Likewise.
5688
5689 2010-02-11  Ian Lance Taylor  <iant@google.com>
5690
5691         * gold-threads.h (class Once): Define.
5692         (class Initialize_lock): Rewrite as child of Once.
5693         * gold-threads.cc (class Once_initialize): Define.
5694         (once_pointer_control): New static variable.
5695         (once_pointer, once_arg): New static variables.
5696         (c_run_once): New static function.
5697         (Once::Once, Once::run_once, Once::internal_run): New functions.
5698         (class Initialize_lock_once): Remove.
5699         (initialize_lock_control): Remove.
5700         (initialize_lock_pointer): Remove.
5701         (initialize_lock_once): Remove.
5702         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5703         (Initialize_lock::initialize): Rewrite.
5704         (Initialize_lock::do_run_once): New function.
5705         * archive.cc (Archive::interpret_header): Only clear name if it is
5706         not already empty.
5707         * fileread.cc: Include "gold-threads.h"
5708         (file_counts_lock): New static variable.
5709         (file_counts_initialize_lock): Likewise.
5710         (File_read::release): Only increment counts when using --stats.
5711         Use a lock around the increment.
5712         * parameters.cc (class Set_parameters_target_once): Define.
5713         (set_parameters_target_once): New static variable.
5714         (Parameters::Parameters): Move here from parameters.h.
5715         (Parameters::set_target): Rewrite.
5716         (Parameters::set_target_once): New function.
5717         (Parameters::clear_target): Move here and rewrite.
5718         * parameters.h (class Parameters): Update declarations.  Add
5719         set_parameters_target_once_ field.
5720         (Parameters::Parameters): Move to parameters.cc.
5721         (Parameters::clear_target): Likewise.
5722         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5723         task.
5724         (Start_group::~Start_group): New function.
5725         (Start_group::is_runnable): New function.
5726         (Start_group::locks, Start_group::run): New functions.
5727         (Finish_group::run): Change saw_undefined to size_t.
5728         * readsyms.h (class Start_group): Define.
5729         (class Finish_group): Change saw_undefined_ field to size_t.
5730         (Finish_group::Finish_group): Remove saw_undefined and
5731         this_blocker parameters.  Change all callers.
5732         (Finish_group::set_saw_undefined): New function.
5733         (Finish_group::set_blocker): New function.
5734         * symtab.h (class Symbol_table): Change saw_undefined to return
5735         size_t.  Change saw_undefined_ field to size_t.
5736         * target-select.cc (Set_target_once::do_run_once): New function.
5737         (Target_selector::Target_selector): Initialize set_target_once_
5738         field.  Don't initialize lock_ and initialize_lock_ fields.
5739         (Target_selector::instantiate_target): Rewrite.
5740         (Target_selector::set_target): New function.
5741         * target-select.h (class Set_target_once): Define.
5742         (class Target_selector): Update declarations.  Make
5743         Set_target_once a friend.  Remove lock_ and initialize_lock_
5744         fields.  Add set_target_once_ field.
5745
5746 2010-02-10  Ian Lance Taylor  <iant@google.com>
5747
5748         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5749         queueing any tasks.
5750         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5751         (queue_middle_tasks): Add all blockers before queueing any tasks.
5752         (queue_final_tasks): Likewise.
5753         * token.h (Task_token::add_blockers): New function.
5754         * object.h (Input_objects::number_of_relobjs): New function.
5755
5756 2010-02-10  Ian Lance Taylor  <iant@google.com>
5757
5758         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5759         shared, not if not position independent.
5760         * x86_64.cc (Relocate::relocate_tls): Likewise.
5761         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5762         (tls_pie_pic_test): New target.
5763         * testsuite/Makefile.in: Rebuild.
5764
5765         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5766         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5767         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5768         * testsuite/Makefile.in: Rebuild.
5769
5770 2010-02-09  David S. Miller  <davem@davemloft.net>
5771
5772         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5773         R_SPARC_RELATIVE using ->add_local_relative().
5774         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5775
5776         * output.h (Output_data_dynamic::add_section_size): New method
5777         that takes two Output_data objects.
5778         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5779         entry param.  Handle it in initializers.
5780         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5781         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5782         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5783         arg.
5784         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5785         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5786         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5787         for dynrel_includes_plt.
5788         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5789         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5790         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5791         before .rela.plt
5792         (Target_sparc::do_finalize_sections): Update to pass true for
5793         dynrel_includes_plt.
5794         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5795         output before .rela.plt
5796         (Target_powerpc::do_finalize_sections): Update to pass true for
5797         dynrel_includes_plt when 32-bit.
5798
5799 2010-02-08  Doug Kwan  <dougkwan@google.com>
5800
5801         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5802         method.
5803         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5804         Arm_relobj::scan_section_for_cortex_a8_stubs,
5805         Arm_relobj::do_relocation_section): Instead of calling
5806         Output_section::output_address, use faster
5807         Arm_relobj::simple_input_section_output_address.
5808
5809 2010-02-08  David S. Miller  <davem@davemloft.net>
5810
5811         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5812         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5813         relocation helper function.
5814
5815         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5816         just like R_SPARC_GOT{10,13,22}.
5817         (Target_sparc::Scan::local): Likewise.
5818         (Target_sparc::Relocate:relocate): Likewise.
5819
5820 2010-02-06  Ian Lance Taylor  <iant@google.com>
5821
5822         * configure.ac: Rewrite targetobjs duplicate removal code to use
5823         only shell constructs.
5824         * configure: Rebuild.
5825
5826 2010-02-05  Doug Kwan  <dougkwan@google.com>
5827
5828         PR 11247
5829         * arm.cc (Arm_relobj::section_is_scannable): New method.
5830         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5831         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5832
5833 2010-02-04  Doug Kwan  <dougkwan@google.com>
5834
5835         PR 11247
5836         * arm-reloc-property.cc (cstdio): Include.
5837         * configure.ac (targetobjs): Remove duplicates.
5838         * configure: Regenerate.
5839         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5840         big and little endian version for a given address size.
5841
5842 2010-02-03  Doug Kwan  <dougkwan@google.com>
5843
5844         * arm-reloc-property.cc
5845         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5846         definition.
5847         * arm-reloc-property.h
5848         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5849         New method definition.
5850         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5851         declaration.
5852         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5853         overflow to N.
5854         (GOT_PREL): Change implemented to Y.
5855         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5856         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5857         (Arm_relocate_functions::movw_abs_nc): Remove method.
5858         (Arm_relocate_functions::movt_abs): Ditto.
5859         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5860         (Arm_relocate_functions::thm_movt_abs): Ditto.
5861         (Arm_relocate_functions::movw_rel_nc): Ditto.
5862         (Arm_relocate_functions::movw_rel): Ditto.
5863         (Arm_relocate_functions::movt_rel): Ditto.
5864         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5865         (Arm_relocate_functions:thm_movw_rel): Ditto.
5866         (Arm_relocate_functions:thm_movt_rel): Ditto.
5867         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5868         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5869         New method definitions.
5870         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5871         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5872         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5873         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5874         (Target_arm::Relocate::relocate): Check for non-static or
5875         unimplemented relocation code and exit early.  Change calls to
5876         Target_arm::reloc_uses_thumb_bit and
5877         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5878         instead.  Refactor code to handle similar relocations to increase
5879         code sharing.  Remove check for unsupported relocation code in switch
5880         statement.
5881         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5882         relocation property table to find out size.  Change error message to
5883         print out the name of a relocation code instead of the numeric value.
5884         (Target_arm::scan_reloc_for_stub): Use relocation property table
5885         instead of calling Target_arm::reloc_uses_thumb_bit().
5886
5887 2010-02-02  Doug Kwan  <dougkwan@google.com>
5888
5889         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5890         types of relaxed input section.
5891
5892 2010-02-02  Doug Kwan  <dougkwan@google.com>
5893
5894         * Makefile.am (HFILES): Add arm-reloc-property.h.
5895         (DEFFILES): New.
5896         (TARGETSOURCES): Add arm-reloc-property.cc
5897         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5898         (libgold_a_SOURCES): $(DEFFILES)
5899         * Makefile.in: Regenerate.
5900         * arm-reloc-property.cc: New file.
5901         * arm-reloc-property.h: New file.
5902         * arm-reloc.def: New file.
5903         * arm.cc: Update comments.
5904         (arm-reloc-property.h): New included header.
5905         (arm_reloc_property_table): New global variable.
5906         (Target_arm::do_select_as_default_target): New method definition.
5907         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5908         arm-reloc-property to targ_extra_obj.
5909         * parameters.cc (set_parameters_target): Call
5910         Target::select_as_default_target().
5911         * target.h (Target::select_as_default_target): New method definition.
5912         (Target::do_select_as_default_target): Same.
5913
5914 2010-02-01  Doug Kwan  <dougkwan@google.com>
5915
5916         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5917         first_output_text_section_.
5918         (Arm_exidx_fixup::first_output_text_section): New method definition.
5919         (Arm_exidx_fixup::first_output_text_section_): New data member.
5920         (Arm_exidx_fixup::process_exidx_section): Record the first text
5921         output section seen.
5922         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5923         and entsize in output section header.
5924
5925 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5926
5927         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5928         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5929         (Arm_relocate_functions::thm_alu11): New Method.
5930         (Arm_relocate_functions::thm_pc8): New Method.
5931         (Arm_relocate_functions::thm_pc12): New Method.
5932         (Target_arm::Scan::local): Handle the relocations.
5933         (Target_arm::Scan::global): Likewise.
5934         (Target_arm::Relocate::relocate): Likewise.
5935         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5936
5937 2010-01-29  Doug Kwan  <dougkwan@google.com>
5938
5939         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5940         of relocation types as ld.
5941
5942 2010-01-29  Doug Kwan  <dougkwan@google.com>
5943
5944         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5945         to public.
5946         (Arm_relocate_functions::thumb_branch_common): Ditto.
5947         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5948         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5949         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5950         Arm_relocate_functions::jump24): Remove.
5951         (Target_arm::Relocate::relocate): Adjust code to call
5952         Arm_relocation_functions::arm_branch_common and
5953         Arm_relocation_functions::thumb_branch_common instead of their removed
5954         wrappers.  Merge switch-cases together to reduce source code size.
5955
5956 2010-01-29  Doug Kwan  <dougkwan@google.com>
5957
5958         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5959         output_local_symbol_count_needs_update_.
5960         (Arm_relobj::output_local_symbol_count_needs_update,
5961          Arm_relobj::set_output_local_symbol_count_needs_update,
5962          Arm_relobj::update_output_local_symbol_count): New methods.
5963         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5964         member.
5965         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5966         of pointed function as in a R_ARM_PREL31 relocation.
5967         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5968         for output local symbol count updating.
5969         (Target_arm::do_relax): Update output local symbol counts in objects
5970         if necessary.
5971         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5972
5973 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5974
5975         * arm.cc: Added support for the ARM relocations:
5976         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5977         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5978         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5979         movw_prel_nc).
5980         (Arm_relocate_functions::movw_rel): New method.
5981         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5982         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5983         thm_movw_prel_nc).
5984         (Arm_relocate_functions::thm_movw_rel): New method.
5985         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5986         thm_movt_prel).
5987         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5988         relocations.
5989         (Target_arm::Scan::global): Likewise.
5990         (Target_arm::Relocate::relocate): Likewise.
5991         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5992         Likewise.
5993
5994 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5995
5996         * arm.cc: Added support for ARM group relocations.
5997         (Target_arm::reloc_needs_sym_origin): New method.
5998         (Arm_relocate_functions::calc_grp_kn): New method.
5999         (Arm_relocate_functions::calc_grp_residual): New method.
6000         (Arm_relocate_functions::calc_grp_gn): New method.
6001         (Arm_relocate_functions::arm_grp_alu): New Method.
6002         (Arm_relocate_functions::arm_grp_ldr): New Method.
6003         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6004         (Arm_relocate_functions::arm_grp_ldc): New Method.
6005         (Target_arm::Scan::local): Handle the ARM group relocations.
6006         (Target_arm::Scan::global): Likewise.
6007         (Target_arm::Relocate::relocate): Likewise.
6008         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6009         Likewise.
6010
6011 2010-01-26  Doug Kwan  <dougkwan@google.com>
6012
6013         * arm.cc (set): Include.
6014         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6015         pointer type.
6016         (Arm_output_section::Text_section_list): New type.
6017         (Arm_output_section::append_text_sections_to_list): New method.
6018         (Arm_output_section::fix_exidx_coverage): Ditto.
6019         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6020         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6021         Relobj::set_section_offset() instead of
6022         Sized_relobj::invalidate_section_offset().
6023         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6024         parameter for section headers. Ignore relocation sections for
6025         unallocated sections and EXIDX sections.
6026         (Target_arm::fix_exidx_coverage): New method.
6027         (Target_arm::output_section_address_less_than): New type.
6028         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6029         linked text section instead of the EXIDX section.
6030         (Arm_output_section::create_stub_group): Add an assertion to check
6031         that this is not an EXIDX output section.
6032         (Arm_output_section::append_text_sections_to_list): New method.
6033         (Arm_output_section::fix_exidx_coverage): Ditto.
6034         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6035         Arm_relobj::section_needs_reloc_stub_scanning.
6036         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6037         first pass.
6038         (Target_arm::fix_exidx_coverage): New method.
6039         * object.h (Relobj::set_output_section): New method.
6040         (Sized_relobj::invalidate_section_offset): Remove method.
6041         (Sized_relobj::do_invalidate_section_offset): Remove method.
6042         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6043
6044 2010-01-25  Doug Kwan  <dougkwan@google.com>
6045
6046         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6047         Fix warning due to signed and unsigned comparison on a 32-bit host.
6048
6049 2010-01-22  Doug Kwan  <dougkwan@google.com>
6050
6051         * arm.cc (Target_arm::do_relax): Record an output section for section
6052         offset adjustment it contains any stub table that has changed.
6053         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6054         offsets in an output section if necessary.
6055         * output.cc (Output_section::Output_section): Initialize
6056         section_offsets_need_adjustments_.
6057         (Output_section::add_input_section_for_script): Renamed to
6058         Output_section::add_simple_input_section.
6059         (Output_section::save_states): Add a comment.
6060         (Output_section::discard_states): New method defintion.
6061         (Output_section::adjust_section_offsets): Same.
6062         * output.h (Output_section::add_input_section_for_script): Renamed to
6063         Output_section::add_simple_input_section.
6064         (Output_section::discard_states): New method declaration.
6065         (Output_section::adjust_section_offsets): Same.
6066         (Output_section::section_offsets_need_adjustment,
6067         Output_section::set_section_offsets_need_adjustment): New method
6068         definitions.
6069         (Output_section::section_offsets_need_adjustment_): New data member.
6070         * script-sections.cc
6071         (Output_section_element_input::set_section_address): Adjust code for
6072         renaming of Output_section::add_input_section_for_script.
6073         (Orphan_output_section::set_section_address): Same.
6074
6075 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6076
6077         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6078         Fix_v4bx enum values .
6079         * gold/options.h (General_options): New option definitions.
6080         (General_options::fix_v4bx): New method.
6081         (General_options::Fix_v4bx): New enum.
6082         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6083         (General_options::parse_fix_v4bx_interworking): New method.
6084
6085 2010-01-22  Doug Kwan  <dougkwan@google.com>
6086
6087         * arm.cc (Arm_exidx_fixup): New class.
6088
6089 2010-01-21  Doug Kwan  <dougkwan@google.com>
6090
6091         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6092         classes.
6093         (Arm_exidx_section_offset_map): New type.
6094
6095 2010-01-21  Doug Kwan  <dougkwan@google.com>
6096
6097         * arm.cc (Arm_exidx_input_section): New class.
6098         (Arm_relobj::exidx_input_section_by_link,
6099         Arm_relobj::exidx_input_section_by_shndx,
6100         Arm_relobj::make_exidx_input_section): New methods.
6101         (read_arm_attributes_section): Remove.
6102         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6103         information about them.
6104         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6105         to here.
6106
6107 2010-01-20  Doug Kwan  <dougkwan@google.com>
6108
6109         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6110         Input_section_specifier to Section_id.
6111         (Target_arm::new_arm_input_section: Adjust code for change of key
6112         type.
6113         (Target_arm::find_arm_input_section): Ditto.
6114         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6115         (Section_id): Remove.
6116         (Garbage_collection::Section_id_hash): Remove.
6117         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6118         (Section_id): Remove.
6119         (Icf::Section_id_hash): Remove.
6120         * object.h (Section_id, Const_section_id, Section_id_hash,
6121         Const_section_id_hash): New type definitions.
6122         * output.cc (Output_section::add_relaxed_input_section): Change to
6123         use Const_section_id instead of Input_section_specifier as key type.
6124         (Output_section::add_merge_input_section): Ditto.
6125         (Output_section::build_relaxation_map): Change to use Section_id
6126         instead of Input_section_specifier as key type.
6127         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6128         Ditto.
6129         (Output_section::convert_input_sections_to_relaxed_sections): Change
6130         to use Const_section_id instead of Input_section_specifier as key type.
6131         (Output_section::find_merge_section): Ditto.
6132         (Output_section::find_relaxed_input_section): Ditto.
6133         * output.h (Input_section_specifier): Remove class.
6134         (Output_section::Output_section_data_by_input_section_map): Change
6135         key type to Const_section_id.
6136         (Output_section::Output_relaxed_input_section_by_input_section_map):
6137         Ditto.
6138         (Output_section::Relaxation_map): Change key type to Section_id.
6139
6140 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6141
6142         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6143         (class Arm_v4bx_stub): New class.
6144         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6145         (Stub_factory::make_arm_v4bx_stub): New method.
6146         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6147         (Stub_table::empty): Handle v4bx stubs.
6148         (Stub_table::add_arm_v4bx_stub): New method.
6149         (Stub_table::find_arm_v4bx_stub): New method.
6150         (Arm_relocate_functions::v4bx): New method.
6151         (Target_arm::fix_v4bx): New method.
6152         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6153         (Stub_table::relocate_stubs): Likewise.
6154         (Stub_table::do_write): Likewise.
6155         (Stub_table::update_data_size_and_addralign): Likewise.
6156         (Stub_table::finalize_stubs):  Likewise.
6157         (Target_arm::Scan::local): Likewise.
6158         (Target_arm::Scan::global): Likewise.
6159         (Target_arm::do_finalize_sections): Likewise.
6160         (Target_arm::Relocate::relocate): Likewise.
6161         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6162         Likewise.
6163         (Target_arm::scan_reloc_for_stub): Likewise.
6164         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6165
6166 2010-01-19  Ian Lance Taylor  <iant@google.com>
6167
6168         * output.cc (Output_section_headers::do_sized_write): Write large
6169         segment count to sh_info field.
6170         (Output_file_header::do_sized_write): For large segment count,
6171         write PN_XNUM to e_phnum field.
6172
6173 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6174
6175         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6176         (Arm_relocate_functions::thm_jump8): New function.
6177         (Arm_relocate_functions::thm_jump11): New function.
6178         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6179         R_ARM_THM_JUMP11.
6180         (Target_arm::Scan::global): Likewise.
6181         (Target_arm::Relocate::relocate): Likewise.
6182         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6183         Likewise.
6184
6185 2010-01-14  Doug Kwan  <dougkwan@google.com>
6186
6187         * arm.cc (map, utility): Include headers.
6188         (Target_arm::apply_cortex_a8_workaround): New method.
6189         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6190         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6191         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6192         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6193         the --[no-]fix-cortex-a8 command line options.
6194         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6195         (Target_arm::relocate_stub): Use addend in instruction template.
6196         * options.h (DEFINE_bool): Set the user-set flag.
6197         (General_options): Add --[no-]-fix-cortex options.
6198         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6199         : Update fast look-up map after conversion.
6200
6201 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6202
6203         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6204         in the first pass of do_layout.
6205
6206 2010-01-13  Doug Kwan  <dougkwan@google.com>
6207
6208         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6209         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6210         apparent compiler problem of not folding static constant integral
6211         data members of elfcpp::Elf_sizes<32>.
6212
6213 2010-01-13  Doug Kwan  <dougkwan@google.com>
6214
6215         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6216         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6217         Arm_relobj::scan_section_for_cortex_a8_erratum,
6218         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6219         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6220         sections to scan for relocation stubs into a new method
6221         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6222         relocation and Cortex-A8 stub scanning.
6223         (Target_arm::do_relax): Force stubs to be after stubbed sections
6224         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6225         the beginning of a new relaxation pass.  Update a comment.
6226         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6227
6228 2010-01-12  Ian Lance Taylor  <iant@google.com>
6229
6230         * target-reloc.h (visibility_error): New inline function.
6231         (relocate_section): Call visibility_error.
6232         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6233         (MOSTLYCLEANFILES): Likewise.
6234         (protected_4_pic.o, protected_3.err): New targets.
6235         * testsuite/protected_4.cc: New file.
6236
6237 2010-01-12  Doug Kwan  <dougkwan@google.com>
6238
6239         * arm.cc (Cortex_a8_reloc): New class.
6240         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6241         and cortex_a8_relocs_info_.
6242         (Target_arm::fix_cortex_a8): New method definition.
6243         (Target_arm::Cortex_a8_relocs_info): New type.
6244         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6245         New data member declarations.
6246         (Target_arm::scan_reloc_for_stub): Record information about
6247         relocations for THUMB branches that might be exempted from the
6248         Cortex-A8 workaround.
6249         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6250         at the beginning of a relaxation pass.
6251
6252 2010-01-12  Doug Kwan  <dougkwan@google.com>
6253
6254         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6255         (Arm_relobj::Mapping_symbol_position,
6256          Arm_reloj::Mapping_symbol_position_less,
6257          Arm_relobj::Mapping_symbols_info): New types.
6258         (Target_arm::is_mapping_symbol_name): New method definition.
6259         (Arm_relobj::do_count_local_symbols): Save information about mapping
6260         symbols.
6261
6262 2010-01-11  Doug Kwan  <dougkwan@google.com>
6263
6264         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6265         Arm_relocate_functions::thumb32_branch_upper,
6266         Arm_relocate_functions::thumb32_branch_lower,
6267         Arm_relocate_functions::thumb32_cond_branch_offset,
6268         Arm_relocate_functions::thumb32_cond_branch_upper,
6269         Arm_relocate_functions::thumb32_cond_branch_lower,
6270         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6271         branch offset encoding.
6272         (Arm_relocate_functions::thumb_branch_common): Use new branch
6273         offset encoding methods to avoid code duplication.
6274         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6275         (Stub_addend_reader::operator()): Use new branch encoding method
6276         to avoid code duplication.
6277
6278 2010-01-11  Doug Kwan  <dougkwan@google.com>
6279
6280         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6281         (Target_arm::do_finalize_sections): Define special EXIDX section
6282         symbols only if referenced.
6283         * gc.h (Garbage_collection::add_reference): New method.
6284         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6285         code duplication.
6286
6287 2010-01-11  Ian Lance Taylor  <iant@google.com>
6288
6289         * script.cc (Version_script_info::build_expression_list_lookup):
6290         Change complaing about duplicate wildcard match from error to
6291         warning.
6292
6293         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6294         of 2009-12-30.
6295         (Version_script_info::Version_script_info): Initialize globs_,
6296         default_version_, default_is_global_, and exact_.  Don't
6297         initialize globals_ or locals_.
6298         (Version_script_info::build_lookup_tables): Build local symbols
6299         first.
6300         (Version_script_info::unquote): New function.
6301         (Version_script_info::add_exact_match): New function.
6302         (Version_script_info::build_expression_list_lookup): Remove lookup
6303         parameter.  Add is_global parameter.  Change all callers.  Handle
6304         wildcard pattern specially.  Unquote pattern.  Call
6305         add_exact_match.
6306         (Version_script_info::get_name_to_match): New function.
6307         (Version_script_info::get_symbol_version): New function.
6308         (Version_script_info::get_symbol_version_helper): Remove.
6309         (Version_script_info::check_unmatched_names): Call unquote.
6310         * script.h (class Version_script_info): Change get_symbol_version
6311         to be non-inline and add is_global parameter; change all callers.
6312         Rewrite symbol_is_local.  Update declarations.  Define struct
6313         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6314         Remove globals_ and locals_ members.  Add exact_, globs_,
6315         default_version_, is_global_.
6316         (Version_script_info::Glob): Remove pattern, add expression and
6317         is_global.  Update constructor.  Change all callers.
6318         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6319         default version.
6320         (Versions::symbol_section_contents): If a symbol is undefined, or
6321         defined in a dynamic object, set the version index to
6322         VER_NDX_LOCAL.
6323         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6324         symbol_is_local.
6325         (Symbol_table::add_from_pluginobj): Likewise.
6326         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6327
6328 2010-01-11  Doug Kwan  <dougkwan@google.com>
6329
6330         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6331         (incremental_dump_LDADD): Add linking option for libintl.
6332         * Makefile.in: Regenerate.
6333
6334 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6335
6336         PR gold/11144
6337         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6338         instead of -Ds.
6339         * testsuite/Makefile.in: Regenerated.
6340
6341 2010-01-10  Doug Kwan  <dougkwan@google.com>
6342
6343         * options.h (DEFINE_var): Use parentheses around argument varname__
6344         in macro body to avoid any unintended subsequent substitutions.
6345
6346 2010-01-10  Ian Lance Taylor  <iant@google.com>
6347
6348         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6349         candidates before doing symbol resolution.
6350
6351         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6352         ODR candidates if only one is weak.
6353
6354 2010-01-08  Ian Lance Taylor  <iant@google.com>
6355
6356         * script.cc (Version_script_info::build_expression_list_lookup):
6357         Don't warn about ambiguous version, just record the ambiguity.
6358         (Version_script_info::get_symbol_version_helper): Give error if
6359         version is ambiguous.
6360
6361 2010-01-08  Doug Kwan  <dougkwan@google.com>
6362
6363         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6364           prev_data_size_ and prev_addralign_.  Remove initializer for
6365           deleted data member has_been_changed_.
6366           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6367           to determine if the table is empty.
6368           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6369           Remove.
6370           (Stub_table::add_reloc_stub): Define method in class definition
6371           instead of just declaring it there.
6372           (Stub_table::add_cortex_a8_stub): New method definition.
6373           (Stub_table::update_data_size_and_addralign): Ditto.
6374           (Stub_table::finalize_stubs): Ditto.
6375           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6376           (Stub_table::do_addralign_): Return address alignment in the
6377           (Stub_table::do_reset_address_and_file_offset): Define method in
6378           class definition instead of declaring it there.  Set current data
6379           size to be the data size of the previous pass.
6380           (Stub_table::set_final_data_size): Use current data size as the
6381           final data size.
6382           (Stub_table::relocate_stub): Change parameter type of stub from
6383           Reloc_stub pointer to Stub pointer.
6384           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6385           (Stub_table::Cortex_a8_stub_list): New typedef.
6386           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6387            Stub_table::prev_addralign_): New data member.
6388           (Arm_relobj::Arm_relobj): Initialize data member
6389           section_has_cortex_a8_workaround_.
6390           (Arm_relobj::section_has_cortex_a8_workaround,
6391            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6392            definitions.
6393           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6394           declarations.
6395           (Target_arm::relocate_stub): Change parameter type of stub from
6396           Reloc_stub pointer to Stub pointer.
6397           (Insn_template::size, Insn_template::alignment): Handle
6398           THUMB16_SPECIAL_TYPE.
6399           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6400            Stub_table::update_data_size_and_addralign,
6401            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6402           definitions.
6403           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6404           (Stub_table::do_write): Ditto.
6405           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6406
6407 2010-01-08  Ian Lance Taylor  <iant@google.com>
6408
6409         PR 11108
6410         * symtab.h (class Symbol): Remove fields is_target_special_ and
6411         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6412         (Symbol::is_defined_in_discarded_section): New function.
6413         (Symbol::set_is_defined_in_discarded_section): New function.
6414         (Symbol::has_plt_offset): Rewrite.
6415         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6416         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6417         Don't initialize is_target_special_ or has_plt_offset_.
6418         Initialize is_defined_in_discarded_section_.
6419         (Symbol_table::add_from_relobj): If appropriate, set
6420         is_defined_in_discarded_section.
6421         * resolve.cc (Symbol::override_base_with_special): Don't test
6422         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6423         * target-reloc.h (relocate_section): Do special handling for
6424         symbols defined in discarded sections for global symbols as well
6425         as local symbols.
6426
6427 2010-01-08  Ian Lance Taylor  <iant@google.com>
6428
6429         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6430         the SHT_SYMTAB case.
6431
6432 2010-01-08  Ian Lance Taylor  <iant@google.com>
6433
6434         * object.cc (Sized_relobj::do_layout): Don't get confused if
6435         layout_eh_frame returns NULL.
6436
6437 2010-01-08  Ian Lance Taylor  <iant@google.com>
6438
6439         PR 11084
6440         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6441         dynamic symbol table, use the normal symbol table.
6442         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6443         symbol table.
6444
6445 2010-01-08  Ian Lance Taylor  <iant@google.com>
6446
6447         PR 11072
6448         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6449         sections.
6450
6451 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6452
6453         * version.cc (print_version): Change to "Copyright 2010".
6454
6455 2010-01-08  Ian Lance Taylor  <iant@google.com>
6456
6457         PR 10287
6458         PR 11063
6459         * i386.cc (class Target_i386): Change return type of plt_section
6460         to be non-const.
6461         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6462         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6463         tls_desc_rel_ field.
6464         (Output_data_plt_i386::rel_tls_desc): New function.
6465         (Target_i386::rel_tls_desc_section): New function.
6466         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6467         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6468         R_386_TLS_DESC reloc in rel_tls_desc_section.
6469         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6470         Define struct Tlsdesc_info.
6471         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6472         (Target_x86_64::do_reloc_symbol_index): New function.
6473         (Target_x86_64::add_tlsdesc_info): New function.
6474         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6475         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6476         tlsdesc_rel_ field.
6477         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6478         all callers.
6479         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6480         (Target_x86_64::rela_tlsdesc_section): New function.
6481         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6482         handling.
6483         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6484         (Target_x86_64::do_reloc_addend): New function.
6485         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6486         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6487         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6488         (Output_reloc::type): New function.
6489         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6490         (Output_reloc::is_target_specific): New function.
6491         (Output_reloc::target_arg): New function.
6492         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6493         absolute relocs and target specific relocs.
6494         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6495         add_target_specific.
6496         (class Output_data_reloc) [SHT_RELA]: Likewise.
6497         * output.cc (Output_reloc::Output_reloc): Add four new versions
6498         for absolute relocs and target specific relocs.
6499         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6500         (Output_reloc::get_symbol_index): Likewise.
6501         (Output_reloc::local_section_offset): Check that local_sym_index_
6502         is not TARGET_CODE or 0.
6503         (Output_reloc::symbol_value): Likewise.
6504         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6505         reloc.
6506         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6507         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6508         functions.
6509         * layout.cc (add_target_dynamic_tags): Use output section for
6510         DT_PLTRELSZ and DT_JMPREL.
6511
6512 2010-01-07  Ian Lance Taylor  <iant@google.com>
6513
6514         PR 11061
6515         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6516         function.
6517         (class Output_data_reloc_generic): Define.
6518         (class Output_data_reloc_base): Change base class to
6519         Output_data_reloc_generic.  Change add() method to call
6520         bump_relative_reloc_count for a relative reloc.  Remove
6521         sort_relocs_ field.
6522         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6523         to sort_relocs().
6524         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6525         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6526         appropriate.
6527         * layout.h (class Layout): Update declaration.
6528
6529 2010-01-07  Ian Lance Taylor  <iant@google.com>
6530
6531         * output.h (class Output_data): Add const version of
6532         output_section and do_output_section.
6533         (class Output_section_data): Add const version of
6534         do_output_section.
6535         (class Output_section): Likewise.
6536         * layout.cc (Layout::add_target_dynamic_tags): New function.
6537         * layout.h (class Layout): Update declarations.
6538         * arm.cc (Target_arm::do_finalize_sections): Use
6539         add_target_dynamic_tags.
6540         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6541         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6542         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6543         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6544
6545 2010-01-07  Ian Lance Taylor  <iant@google.com>
6546
6547         PR 11042
6548         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6549         object as needed.
6550
6551 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6552             Ian Lance Taylor  <iant@google.com>
6553
6554         PR 11019
6555         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6556         Xindex::read_symtab_xindex.
6557
6558 2010-01-07  Doug Kwan  <dougkwan@google.com>
6559
6560         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6561         (Insn_template::thumb16_bcond_insn): New method declaration.
6562         (Insn_template): Fix spelling.
6563         (Stub::thumb16_special): New method declaration.
6564         (Stub::do_write): Define virtual method which was previously pure
6565         virtual.
6566         (Stub::do_thumb16_special): New method declaration.
6567         (Stub::do_fixed_endian_write): New template member.
6568         (Reloc_stub::do_write): Remove.
6569         (Reloc_stub::do_fixed_endian_write): Remove.
6570         (Cortex_a8_stub): New class definition.
6571         (Stub_factory::make_cortex_a8_stub): New method definition.
6572         (Stub_factory::Stub_factory): Add missing static storage class
6573         qualifier for elf32_arm_stub_a8_veneer_blx.
6574
6575 2010-01-07  Ian Lance Taylor  <iant@google.com>
6576
6577         PR 10980
6578         * options.h (class General_options): Add --warn-unresolved-symbols
6579         and --error-unresolved-symbols.
6580         * errors.cc (Errors::undefined_symbol): Implement
6581         --warn-unresolved-symbols.
6582
6583         * options.h (class General_options): Add -z text and -z textoff.
6584         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6585
6586 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6587
6588         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6589         (Garbage_collection::cident_sections): New function.
6590         (Garbage_collection::add_cident_section): New function.
6591         (Garbage_collection::cident_sections_): New member.
6592         (gc_process_relocs): Add references to sections whose names are C
6593         identifiers.
6594         * gold.h (cident_section_start_prefix): New constant.
6595         (cident_section_stop_prefix): New constant.
6596         (is_cident): New function.
6597         * layout.cc (Layout::define_section_symbols): Replace string constants
6598         with the newly defined constants.
6599         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6600         C identifiers.
6601         * testsuite/Makefile.am: Add gc_orphan_section_test.
6602         * testsuite/Makefile.in: Regenerate.
6603         * testsuite/gc_orphan_section_test.cc: New file.
6604         * testsuite/gc_orphan_section_test.sh: New file.
6605
6606 2010-01-06  Ian Lance Taylor  <iant@google.com>
6607
6608         PR 10980
6609         * options.h (class General_options): Add --warn-shared-textrel.
6610         * layout.cc (Layout::finish_dynamic_section): Implement
6611         --warn-shared-textrel.
6612
6613         PR 10980
6614         * options.h (class General_options): Add --warn-multiple-gp.
6615
6616 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6617
6618         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6619         $(THREADSLIB) and $(LIBDL).
6620         * Makefile.in: Rebuild.
6621
6622 2010-01-06  Ian Lance Taylor  <iant@google.com>
6623
6624         PR 10980
6625         * options.cc (General_options::parse_section_start): New function.
6626         (General_options::section_start): New function.
6627         (General_options::General_options): Initialize all members.
6628         * options.h: Include <map>
6629         (class General_options): Add --section-start.  Add section_starts_
6630         member.
6631         * layout.cc (Layout::attach_allocated_section_to_segment): If
6632         --section-start was used, set the address of the segment.  Remove
6633         local sort_sections.
6634         (Layout::relaxation_loop_body): If the address of the load segment
6635         has been set by --section-start, don't use it.
6636         * output.h (Output_segment::update_flags_for_output_section): New
6637         function.
6638         * output.cc (Output_segment::add_output_section): Call
6639         update_flags_for_output_section.
6640
6641 2010-01-05  Ian Lance Taylor  <iant@google.com>
6642
6643         PR 10980
6644         * options.h (class General_options): Add --undefined-version.
6645         * script.cc (struct Version_expression): Add was_matched_by_symbol
6646         field.
6647         (Version_script_info::matched_symbol): New function.
6648         (Version_script_info::get_symbol_version_helper): Call
6649         matched_symbol.
6650         (Version_script_info::check_unmatched_names): New function.
6651         * script.h (class Version_script_info): Update declarations.
6652         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6653
6654         * options.h (class General_options): Use DEFINE_bool_alias for
6655         allow_multiple_definition.
6656         * resolve.cc (Symbol_table::should_override): Don't test
6657         allow_multiple_definition.
6658
6659         PR 10980
6660         * options.h (class General_options): Add --cref.
6661         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6662         until after printing cref table.
6663         * cref.cc: Include "symtab.h".
6664         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6665         (Cref_table_compare::operator()): New function.
6666         (Cref_inputs::gather_cref): New function.
6667         (filecol): New static const.
6668         (Cref_inputs::print_cref): New function.
6669         (Cref::print_cref): New function.
6670         * cref.h: Include <cstdio>.
6671         (class Cref): Update declarations.
6672         * mapfile.h (Mapfile::file): New function.
6673         * object.h (class Object): Define Symbols.  Declare virtual
6674         do_get_global_symbols.
6675         (Object::get_global_symbols): New function.
6676         * object.cc (Input_objects::add_object): Pass object to cref_ if
6677         --cref.
6678         (Input_objects::archive_start): Likewise.
6679         (Input_objects::archive_stop): Likewise.
6680         (Input_objects::print_cref): New function.
6681         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6682         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6683         --cref.
6684         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6685         function.
6686         * plugin.h (class Sized_pluginobj): Update declarations.
6687
6688 2010-01-05  Ian Lance Taylor  <iant@google.com>
6689
6690         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6691         to is_default_version.  Rename insdef to insdefault.
6692         (Symbol_table::add_from_relobj): Rename def to is_default_version
6693         and local to is_forced_local.
6694         (Symbol_table::add_from_pluginobj): Likewise.
6695         (Symbol_table::add_from_dynobj): Likewise.
6696         (Symbol_table::define_special_symbol): Rename insdef to
6697         insdefault.
6698
6699 2010-01-04  Ian Lance Taylor  <iant@google.com>
6700
6701         PR 10980
6702         * options.h (class General_options): Add
6703         --allow-multiple-definition and -z muldefs.
6704         * resolve.cc (Symbol_table::should_override): Don't warn about a
6705         multiple symbol definition if --allow-multiple-definition or -z
6706         muldefs.
6707
6708         PR 10980
6709         * options.h (class General_options): Add --add-needed and
6710         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6711         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6712         error if --copy-dt-needed-entries aka --add-needed is used and
6713         would cause a change in behaviour.
6714
6715         PR 10980
6716         * options.h (class General_options): Add -G as a short version of
6717         --shared.  Add no-op options -assert, -g, and -i.
6718
6719 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6720
6721         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6722         check for .text or .gnu.linkonce.t sections.
6723         * icf.cc (Icf::find_identical_sections): Ditto.
6724         Change the detection for mangled function name within the section
6725         name.
6726         * icf.h (is_section_foldable_candidate): New function.
6727
6728 2009-12-30  Ian Lance Taylor  <iant@google.com>
6729
6730         PR 10980
6731         * options.h (class General_options): Permit two dashes with
6732         --retain-symbols-file.
6733
6734 2009-12-30  Ian Lance Taylor  <iant@google.com>
6735
6736         PR 10979
6737         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6738         don't put the file header and segment headers in the text
6739         segment.
6740
6741         PR 10979
6742         * common.cc (Sort_commons::operator()): Stabilize sort when both
6743         entries are NULL.
6744         (Symbol_table::do_allocate_commons_list): When allocating common
6745         symbols, skip a symbol which is no longer common.
6746         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6747         an object before checking its type.
6748         * testsuite/common_test_2.c: New file.
6749         * testsuite/common_test_3.c: New file.
6750         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6751         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6752         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6753         (common_test_2_pic.o, common_test_2.so): New targets.
6754         (common_test_3_pic.o, common_test_3.so): New targets.
6755         * testsuite/Makefile.in: Rebuild.
6756
6757         PR 10979
6758         * script.cc (read_input_script): If we see a new SECTIONS clause,
6759         and we have added an input section, give an error.
6760         * layout.h (class Layout): Add have_added_input_section function.
6761         Add have_added_input_section_ field.
6762         * layout.cc (Layout::Layout): Initialize
6763         have_added_input_section_.
6764         (Layout::layout): Set have_added_input_section_.
6765         (Layout::layout_eh_frame): Likewise.
6766
6767 2009-12-30  Ian Lance Taylor  <iant@google.com>
6768
6769         PR 10931
6770         * options.h (class General_options): Add --sort-common option.
6771         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6772         * common.cc (Sort_common): Add sort_order parameter to
6773         constructor.  Add sort_order_ field.
6774         (Sort_commons::operator): Check sort_order_.
6775         (Symbol_table::allocate_commons): Determine the sort order.
6776         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6777         Change all callers.
6778         (Symbol_table::do_allocate_commons_list): Likewise.
6779
6780 2009-12-30  Ian Lance Taylor  <iant@google.com>
6781
6782         PR 10916
6783         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6784         symbols from this object, don't change the visibility of an
6785         undefined symbol.
6786         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6787
6788 2009-12-30  Ian Lance Taylor  <iant@google.com>
6789
6790         PR 10861
6791         * script.h (class Version_script_info): Define Language enum.
6792         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6793         new fields globals_, locals_, and is_finalized_.
6794         * script.cc: Various formatting fixes.
6795         (class Parser_closure): Change language_stack_ from a vector of
6796         std::string to one of Version_script_info::Language.  Adjust all
6797         uses accordingly.
6798         (class Lazy_demangler): Remove.
6799         (struct Version_expression): Change language from std::string to
6800         Version_script_info::Language.
6801         (Version_script_info::Version_script_info): New function.
6802         (Version_script_info::~Version_script_info): Don't call clear.
6803         (Version_script_info::finalize): New function.
6804         (Version_script_info::build_lookup_tables): New function.
6805         (Version_script_info::build_expression_list_lookup): New
6806         function.
6807         (Version_script_info::get_symbol_version_helper): Rewrite to use
6808         lookup tables.
6809         (Version_script_info::print_expression_list): Adjust to use
6810         Version_script_info::Language.
6811         (script_push_lex_into_version_mode): Check that the version script
6812         has not been finalized.
6813         (version_script_push_lang): Change language string to
6814         Version_script_info::Language.
6815         * options.cc (Command_line::version_script): New function.
6816         * options.h (class General_options): Add finalize_dynamic_list
6817         function.  Change version_script from declaration to definition.
6818         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6819         * testsuite/version_script.map: Remove duplicate def of foo.
6820         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6821         version_script.map.
6822         * testsuite/Makefile.in: Rebuild.
6823
6824 2009-12-30  Ian Lance Taylor  <iant@google.com>
6825
6826         PR 10843
6827         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6828         if the input symbol index is 0, make the output symbol index 0.
6829
6830 2009-12-30  Ian Lance Taylor  <iant@google.com>
6831
6832         PR 10670
6833         * options.h (class General_options): Add -x/--discard-all.
6834         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6835         --discard-all.  If the local symbol needs a dynamic entry, check
6836         that before handling --discard-locals.
6837
6838 2009-12-30  Ian Lance Taylor  <iant@google.com>
6839
6840         PR 10450
6841         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6842         flags to PF_R.
6843         (Output_segment::add_output_section): Don't change the flags if
6844         the type is PT_TLS.
6845
6846         PR 10450
6847         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6848         GNU hash table if they need a dynamic value.  Otherwise, don't add
6849         them if they are defined in a dynamic object or are forced local.
6850
6851 2009-12-29  Ian Lance Taylor  <iant@google.com>
6852
6853         PR 10450
6854         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6855         .gnu.hash table for a 32-bit target.
6856
6857         PR 10450
6858         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6859         regular and a dynamic object only needs a dynamic symbol table
6860         entry if it is externally visible.
6861
6862         PR 10450
6863         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6864         constructor.  Add global_offset_table_ field.
6865         (Target_i386::got_section): Set global_offset_table_.
6866         (Target_i386::do_finalize_sections): Set global_offset_table_
6867         size.
6868         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6869         in constructor.  Add global_offset_table_ field.
6870         (Target_x86_64::got_section): Set global_offset_table_.
6871         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6872         size.
6873
6874         * layout.cc (Layout::Layout): Initialize increase_relro_.
6875         (Layout::get_output_section): Add is_relro, is_last_relro, and
6876         is_first_non_relro parameters.  Change all callers.
6877         (Layout::choose_output_section): Likewise.
6878         (Layout::add_output_section_data): Likewise.
6879         (Layout::make_output_section): Likewise.
6880         (Layout::set_segment_offsets): Clear increase_relro when using a
6881         linker script.
6882         * layout.h (class Layout): Add increase_relro method.  Add
6883         increase_relro_ field.  Update declarations.
6884         * output.cc (Output_section::Output_section): Initialize
6885         is_last_relro_ and is_first_non_relro_.
6886         (Output_segment::add_output_section): Group relro sections is
6887         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6888         (Output_segment::maximum_alignment): Remove relro handling.
6889         (Output_segment::set_section_addresses): Add increase_relro
6890         parameter.  Change all callers.  Add initial alignment to align
6891         relro sections on separate page.  Remove old relro handling.
6892         (Output_segment::set_section_list_addresses): Remove in_relro
6893         parameter.  Change all callers.
6894         (Output_segment::set_offset): Add increase parameter.  Change all
6895         callers.  Remove old relro handling.
6896         * output.h (class Output_section): Add new methods: is_last_relro,
6897         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6898         Add is_last_relro_ and is_first_non_relro_ fields.
6899         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6900         Create separate .got.plt section.  Call increase_relro.
6901         * x86_64.cc (Target_x86_64::got_section): Likewise.
6902         * testsuite/relro_script_test.t: Add .got.plt.
6903
6904         PR 10450
6905         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6906         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6907         (Layout::finalize): Call set_dynamic_symbol_size.
6908         (Layout::set_dynamic_symbol_size): New function.
6909         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6910         set_dynamic_symbol_size.
6911
6912         PR 10450
6913         * output.h (class Output_section): Add is_entsize_zero_ field.
6914         * output.cc (Output_section::Output_section): Initialize
6915         is_entsize_zero_.
6916         (Output_section::set_entsize): If two different entsizes are
6917         requested, force it to zero.
6918         (Output_section::add_input_section): Set flags for .debug_str
6919         before updating section flags.  Set entsize.
6920         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6921         and SHF_STRING if all input sections have those flags.
6922
6923 2009-12-29   Rafael Espindola  <espindola@google.com>
6924
6925         * main.cc (main): Fix the sys time reporting.
6926         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6927         reporting.
6928
6929 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6930
6931         * options.cc (General_options::parse_version): Allow -v to exit
6932         without an error if there is nothing to link.
6933
6934 2009-12-29  Ian Lance Taylor  <iant@google.com>
6935
6936         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6937         using a version of gcc before 4.1.
6938         * configure: Rebuild.
6939
6940 2009-12-28  Chris Demetriou  <cgd@google.com>
6941
6942         * attributes.cc (Output_attributes_section_data::do_write): Use
6943         std::vector::front rather than std::vector::data.
6944
6945 2009-12-28  Ian Lance Taylor  <iant@google.com>
6946
6947         * symtab.h (class Symbol_table): Add enum Defined.
6948         * resolve.cc (Symbol_table::should_override): Add defined
6949         parameter.  Change all callers.  Test whether object is NULL
6950         before calling a method on it.
6951         (Symbol_table::report_resolve_problem): Add defined parameter.
6952         Change all callers.
6953         (Symbol_table::should_override_with_special): Likewise.
6954         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6955         parameter.  Change all callers.
6956         (Symbol_table::do_define_in_output_data): Likewise.
6957         (Symbol_table::define_in_output_segment): Likewise.
6958         (Symbol_table::do_define_in_output_segment): Likewise.
6959         (Symbol_table::define_as_constant): Likewise.
6960         (Symbol_table::do_define_as_constant): Likewise.
6961         * script.h (class Symbol_assignment): Add is_defsym parameter to
6962         constructor; change all callers.
6963         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6964         parameter.  Change all callers.  Add is_defsym_ field.
6965         (class Parser_closure): Add parsing_defsym parameter to
6966         constructor; change all callers.  Add parsing_defsym accessor
6967         function.  Add parsing_defsym_ field.
6968
6969 2009-12-28  Ian Lance Taylor  <iant@google.com>
6970
6971         * gold.cc (queue_middle_tasks): Fix formatting.
6972         * object.cc (Relobj::is_section_name_included): Likewise.
6973
6974 2009-12-23  Ian Lance Taylor  <iant@google.com>
6975
6976         * i386.cc (Target_i386::do_calls_non_split): Recognize
6977         -fsplit-stack prologue for a function with a static chain.
6978         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6979         -fsplit-stack prologue when using %r11.
6980
6981 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6982
6983         * options.cc (General_options::parse_version): Make -v continue and do
6984         the link like GNU ld does.
6985
6986 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6987
6988         * Makefile.am (CCFILES): Add timer.cc.
6989         (HFILES): Add timer.h.
6990         * configure.ac: Check for sysconf and times.
6991         * main.cc: include timer.h.
6992         (main): Use Timer instead of get_run_time.
6993         * timer.cc: New.
6994         * timer.h: New.
6995         * workqueue.cc: include timer.h.
6996         (Workqueue::find_and_run_task):
6997         Report user, sys and wall time.
6998         * Makefile.in: Regenerate.
6999         * config.in: Regenerate.
7000         * configure: Regenerate.
7001
7002 2009-12-16  Doug Kwan  <dougkwan@google.com>
7003
7004         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7005         sections.
7006         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7007         relaxed input sections.
7008         * output.cc (Output_section::find_relaxed_input_section): Change
7009         return type to Output_relaxed_input_section pointer.  Adjust code
7010         for new type of relaxed_input_section_map_.
7011         * output.h (Output_section::find_relaxed_input_section): Change
7012         return type to Output_relaxed_input_section pointer.
7013         (Output_section::Output_relaxed_input_section_by_input_section_map):
7014         New type.
7015         (Output_section::relaxed_input_section_map_): Change type to
7016         Output_section::Output_relaxed_input_section_by_input_section_map.
7017         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7018         input section.
7019
7020 2009-12-15  Ian Lance Taylor  <iant@google.com>
7021
7022         * layout.cc (Layout::create_shstrtab): Only write out after input
7023         sections if we are compressing debug sections.
7024
7025 2009-12-15  Ian Lance Taylor  <iant@google.com>
7026
7027         * archive.cc (Archive::add_symbols): Only look up a symbol without
7028         a version if there is, in fact, a version.
7029
7030 2009-12-14  Ian Lance Taylor  <iant@google.com>
7031
7032         Revert -Wshadow changes, all changes from:
7033         2009-12-11  Doug Kwan  <dougkwan@google.com>
7034         2009-12-11  Nick Clifton  <nickc@redhat.com>
7035         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7036
7037 2009-12-11  Doug Kwan  <dougkwan@google.com>
7038
7039         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7040         due to -Wshadow.
7041         * attributes.cc (Object_attribute::size): Ditto.
7042         (Attributes_section_data::size): Ditto.
7043         (Attributes_section_data::Attributes_section_data): Ditto.
7044         (Output_attributes_section_data::do_write): Ditto.
7045         * attributes.h (Object_attribute::set_type): Ditto.
7046         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7047
7048 2009-12-11  Nick Clifton  <nickc@redhat.com>
7049
7050         * archive.cc: Fix shadowed variable warnings.
7051         * arm.cc: Likewise.
7052         * compressed_output.cc: Likewise.
7053         * compressed_output.h: Likewise.
7054         * configure: Likewise.
7055         * dwarf_reader.cc: Likewise.
7056         * dynobj.cc: Likewise.
7057         * dynobj.h: Likewise.
7058         * ehframe.cc: Likewise.
7059         * ehframe.h: Likewise.
7060         * errors.cc: Likewise.
7061         * expression.cc: Likewise.
7062         * fileread.cc: Likewise.
7063         * fileread.h: Likewise.
7064         * freebsd.h: Likewise.
7065         * i386.cc: Likewise.
7066         * icf.cc: Likewise.
7067         * incremental.h: Likewise.
7068         * layout.cc: Likewise.
7069         * layout.h: Likewise.
7070         * mapfile.cc: Likewise.
7071         * merge.cc: Likewise.
7072         * merge.h: Likewise.
7073         * object.cc: Likewise.
7074         * object.h: Likewise.
7075         * options.h: Likewise.
7076         * output.cc: Likewise.
7077         * output.h: Likewise.
7078         * parameters.cc: Likewise.
7079         * plugin.cc: Likewise.
7080         * powerpc.cc: Likewise.
7081         * reduced_debug_output.cc: Likewise.
7082         * reduced_debug_output.h: Likewise.
7083         * reloc.cc: Likewise.
7084         * reloc.h: Likewise.
7085         * resolve.cc: Likewise.
7086         * script-sections.cc: Likewise.
7087         * script.cc: Likewise.
7088         * script.h: Likewise.
7089         * sparc.cc: Likewise.
7090         * symtab.cc: Likewise.
7091         * symtab.h: Likewise.
7092         * target-select.cc: Likewise.
7093         * target-select.h: Likewise.
7094         * token.h: Likewise.
7095         * workqueue.cc: Likewise.
7096         * workqueue.h: Likewise.
7097         * x86_64.cc: Likewise.
7098
7099 2009-12-10  Doug Kwan  <dougkwan@google.com>
7100
7101         * arm.cc (attributes.h): New include.
7102         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7103         (Arm_relobj::~Arm_relobj): Delete object pointed by
7104         attributes_section_data_.
7105         (Arm_relobj::attributes_section_data): New method definition.
7106         (Arm_relobj::attributes_section_data_): New data member declaration.
7107         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7108         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7109         attributes_section_data_.
7110         (Arm_dynobj::attributes_section_data): New method definition.
7111         (Arm_dynobj::attributes_section_data_): New data member declaration.
7112         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7113         initialization value of may_use_blx_ to false.
7114         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7115         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7116         object attributes to compute results instead of hard-coding.
7117         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7118         Target_arm::get_secondary_compatible_arch,
7119         Target_arm::set_secondary_compatible_arch
7120         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7121         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7122         New method declarations.
7123         (Target_arm::get_aeabi_object_attribute): New method definition.
7124         (Target_arm::attributes_section_data_): New data member declaration.
7125         (read_arm_attributes_section): New template definition.
7126         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7127         (Arm_dynobj::do_read_symbols): Ditto.
7128         (Target_arm::do_finalize_sections): Merge attributes sections from
7129         input.  Check for BLX use after attributes section merging.
7130         Fix __exidx_start and __exidx_end visibility.  Create an
7131         .ARM.attributes section if necessary.
7132         (Target_arm::get_secondary_compatible_arch,
7133         Target_arm::set_secondary_compatible_arch,
7134         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7135         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7136         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7137         New method definitions.
7138
7139 2009-12-09  Ian Lance Taylor  <iant@google.com>
7140
7141         * plugin.cc (Plugin::load): Don't cast from void* to a function
7142         pointer.
7143
7144 2009-12-09  Ian Lance Taylor  <iant@google.com>
7145
7146         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7147         information fields.
7148
7149 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7150
7151         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7152         Replace two_file_shared_1.so with two_file_shared_2.so.
7153         * testsuite/Makefile.in: Regenerated.
7154
7155 2009-12-08  Doug Kwan  <dougkwan@google.com>
7156
7157         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7158         (HFILES): Add attributes.h and int_encoding.h.
7159         * Makefile.in: Regenerate.
7160         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7161         function definitions to int_encoding.cc
7162         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7163         prototypes to int_encoding.h
7164         * reduced_debug_output.cc (int_encoding.h): New include.
7165         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7166         function definitions to int_encoding.cc
7167         (insert_into_vector, read_from_pointer): Move template definitions to
7168         int_encoding.h
7169         * attributes.cc: New file.
7170         * attributes.h: New file.
7171         * int_encoding.cc: New file.
7172         * int_encoding.h: New file.
7173
7174 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7175
7176         PR gold/11055
7177         * incremental-dump.cc (dump_incremental_inputs): New.
7178         (main): Use dump_incremental_inputs.
7179
7180 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7181
7182         PR gold/10893
7183         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7184         checking elfcpp::STT_FUNC.
7185         (Target_i386::Relocate::relocate): Likewise.
7186         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7187
7188         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7189         symbols from shared libraries into normal FUNC symbols.
7190
7191         * symtab.h (Symbol): Add is_func and use it.
7192
7193 2009-12-05  Doug Kwan  <dougkwan@google.com>
7194
7195         * arm.cc (Target_arm::arm_info): Initialize new fields
7196         attributes_section and attributes_vendor.
7197         * i386.cc (Target_i386::i386_info): Same.
7198         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7199         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7200         fields attributes_section and attributes_vendor.
7201         * sparc.cc (Target_sparc::sparc_info): Same.
7202         * target.h (Target::attributes_section, Target::attributes_vendor,
7203         Target::is_attributes_section, Target::attribute_arg_type,
7204         Target::attributes_order): New method definitions.
7205         (Target::Target_info::attributes_section,
7206         Target::Target_info::attributes_vendor): New fields.
7207         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7208         virtual method definitions.
7209         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7210         attributes_section and attributes_vendor.
7211         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7212
7213 2009-12-05  Doug Kwan  <dougkwan@google.com>
7214
7215         * arm.cc: Update comments about interworking and stub generation.
7216         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7217         considered as non-PIC.
7218         (Arm_relocate_functions::base_abs): Fix formatting.
7219         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7220         of function to use GOT entry address instead of offset.
7221         (Target_arm::Scan::global): Issue an error if a symbol would need a
7222         PLT does not get one because it is untyped.  Remove code to create
7223         dynamic symbols for relative branches.
7224         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7225         takes unsigned integer instead of boolean.
7226
7227 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7228
7229         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7230         (two_file_test_LDADD): Likewise.
7231         (common_test_1_LDADD): Likewise.
7232         (exception_test_LDADD) Likewise.
7233         (weak_test_LDADD): Likewise.
7234         (many_sections_test_LDADD): Likewise.
7235         (initpri1_LDADD): Likewise.
7236         (script_test_1_LDADD): Likewise.
7237         (script_test_2_LDADD): Likewise.
7238         (justsyms_LDADD): Likewise.
7239         (binary_test_LDADD): Likewise.
7240         (large_LDADD): Likewise.
7241         * testsuite/Makefile.in: Regenerated.
7242
7243 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7244
7245         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7246         (Symbol_table::override_with_special): Likewise.
7247         (Symbol_table::add_from_object): Likewise.
7248
7249 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7250
7251         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7252         Don't set the data_offset twice.
7253
7254 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7255
7256         * testsuite/Makefile.in: Regenerate.
7257
7258 2009-12-03  Doug Kwan  <dougkwan@google.com>
7259
7260         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7261         (Target_arm::do_finalize_sections): Add parameter for symbol table
7262         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7263         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7264         parameter for symbol table pointer.
7265         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7266         an additional parameter for a pointer to symbol table.
7267         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7268         parameter for a symbol table pointer.
7269         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7270         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7271         Ditto.
7272         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7273         parameter for a symbol table pointer.
7274
7275 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7276
7277         * incremental.cc (Incremental_inputs_header)
7278         (Incremental_inputs_header_write, Incremental_inputs_entry)
7279         (Incremental_inputs_entry_write): Move ...
7280         * incremental.h (Incremental_inputs_header)
7281         (Incremental_inputs_header_write, Incremental_inputs_entry)
7282         (Incremental_inputs_entry_write): here.
7283
7284 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7285
7286         * incremental.cc (make_sized_incremental_binary): Set the target.
7287         Error if it is incompatible.
7288         * output.h (Output_file): Add filename method.
7289
7290 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7291
7292         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7293         from the get_* methods.
7294
7295 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7296
7297         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7298         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7299         Write 0 for the data_offset of scripts.
7300
7301 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7302
7303         * testsuite/Makefile.am: Add the incremental_test.sh test.
7304         * testsuite/incremental_test.sh: New.
7305         * testsuite/incremental_test_1.c: New.
7306         * testsuite/incremental_test_2.c: New.
7307
7308 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7309
7310        * incremental-dump.cc (main): Fix typos.
7311
7312 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7313
7314         PR gold/11025
7315         * incremental-dump.cc (main): Use llu to print 64 bit values.
7316
7317 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7318             H.J. Lu  <hongjiu.lu@intel.com>
7319
7320         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7321         $(LIBDL).
7322         (incremental_dump_LDADD): Likewise.
7323         * Makefile.in: Regenerated.
7324
7325 2009-11-25  Doug Kwan  <dougkwan@google.com>
7326
7327         Revert:
7328
7329         2009-11-25  Doug Kwan  <dougkwan@google.com>
7330
7331                 * arm.cc (Target_arm::Target_arm): Move method definition
7332                 outside of class definition.  Add code to handle
7333                 --target1-rel, --target1-abs and --target2= options.
7334                 (Target_arm::get_reloc_reloc_type): Change method to be
7335                 non-static and const.
7336                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7337                 New data member declaration.
7338                 (Target_arm::Scan::local, Target_arm::Scan::global,
7339                 Target_arm::Relocate::relocate,
7340                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7341                 Adjust call to Target_arm::get_real_reloc_type.
7342                 (Target_arm::get_real_reloc_type): Use command line options
7343                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7344                 * options.h (--target1-rel, --target1-abs, --target2): New
7345                 ARM-only options.
7346
7347 2009-11-25  Doug Kwan  <dougkwan@google.com>
7348
7349         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7350         class definition.  Add code to handle --target1-rel, --target1-abs
7351         and --target2= options.
7352         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7353         and const.
7354         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7355         member declaration.
7356         (Target_arm::Scan::local, Target_arm::Scan::global,
7357         Target_arm::Relocate::relocate,
7358         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7359         call to Target_arm::get_real_reloc_type.
7360         (Target_arm::get_real_reloc_type): Use command line options to
7361         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7362         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7363         options.
7364
7365 2009-11-25  Doug Kwan  <dougkwan@google.com>
7366
7367         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7368         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7369         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7370         formatting.
7371         (Arm_relocate_functions::thm_call): Replace body with a call to
7372         Arm_relocate_functions::thumb_branch_common.
7373         (Arm_relocate_functions::thm_jump24,
7374         Arm_relocate_functions::thm_xpc22): New method definitions.
7375         (Arm_relocate_functions::thumb_branch_common): New method definition.
7376         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7377         operator.
7378         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7379         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7380
7381 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7382
7383         * Makefile.am: Build incremental-dump
7384         * Makefile.in: Regenerate.
7385         * incremental-dump.cc: New.
7386         * incremental.cc (Incremental_inputs_header_data,
7387         Incremental_inputs_entry_data): Move to incremental.h
7388         * incremental.h: (Incremental_inputs_header_data,
7389         Incremental_inputs_entry_data): Move from incremental.cc
7390
7391 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7392
7393         * incremental.cc (Incremental_inputs_header,
7394         Incremental_inputs_header_write, Incremental_inputs_entry,
7395         Incremental_inputs_entry_write): Add a typedef with the data type.
7396
7397 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7398
7399         * incremental.cc (Incremental_inputs_header,
7400         Incremental_inputs_header_write, Incremental_inputs_entry,
7401         Incremental_inputs_entry_write): Update comment about which
7402         type has the filed descriptions.
7403
7404 2009-11-15  Doug Kwan  <dougkwan@google.com>
7405
7406         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7407         (Arm_relocate_functions::arm_branch_common): Change method defintion
7408         in class definition to a method declaration and update list of formal
7409         parameters.
7410         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7411         Arm_relocation_functions::jump24): Adjust call to
7412         Arm_relocate_functions::arm_branch_common.  Update list of formal
7413         parameters.
7414         (Arm_relocate_functions::xpc25): New method definition.
7415         (Arm_relocate_functions::arm_branch_common): Move method defintion
7416         out from class definition.  Use stubs for mode-switching and extending
7417         branch ranges.
7418         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7419         specially.  Change code to enable use of stubs in ARM branches.
7420
7421 2009-11-10  Doug Kwan  <dougkwan@google.com>
7422
7423         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7424         in method declaration.
7425         (Target_arm::relocate_stub): New method declaration.
7426         (Target_arm::default_target): Change to return a pointer instead of
7427         a const reference.
7428         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7429         Target_arm::default_target.
7430         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7431         method definition.
7432         (Target_arm::relocate_section): Adjust view.
7433         (Target_arm::relocate_stub): New method definition.
7434
7435 2009-11-10  Doug Kwan  <dougkwan@google.com>
7436
7437         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7438         a format warning.
7439         * incremental.cc (open_incremental_binary): Initialized local
7440         variables to avoid warnings.
7441         * object.cc (make_elf_object): Ditto.
7442         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7443         a format warning.
7444
7445 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7446
7447         PR gold/10930
7448         * testsuite/plugin_test.c: Include "config.h".
7449
7450 2009-11-09  Doug Kwan  <dougkwan@google.com>
7451
7452         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7453         (arm_symbol_value): Remove.
7454         (Arm_relocate_functions::arm_branch_common,
7455         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7456         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7457         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7458         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7459         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7460         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7461         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7462         Arm_relocate_functions::thm_mobw_abs_nc,
7463         Arm_relocate_functions::thm_mov_abs,
7464         Arm_relocate_functions::movw_prel_nc,
7465         Arm_relocate_functions::thm_movt_abs,
7466         Arm_relocate_functions::movt_prel,
7467         Arm_relocate_functions::thm_movw_prel_nc,
7468         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7469         (Target_arm::Relocate::relocate): Only decompose address into two
7470         parts if relocation type uses the thumb-bit and pass the actual
7471         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7472         calls to methods in Arm_relocate_functions for this change.
7473
7474 2009-11-08  Ian Lance Taylor  <iant@google.com>
7475
7476         PR 10925
7477         * reloc.cc: Instantiate
7478         Sized_relobj::initialize_input_to_output_maps and
7479         Sized_relobj:free_input_to_output_maps.
7480
7481 2009-11-06  Ian Lance Taylor  <iant@google.com>
7482
7483         PR 10876
7484         * defstd.cc (in_segment): Set only_if_ref true for "end".
7485
7486 2009-11-06  Doug Kwan  <dougkwan@google.com>
7487
7488         * arm.cc (class Reloc_stub): Correct a comment.
7489         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7490         (Target_arm::scan_section_for_stubs): New method declaration.
7491         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7492         Change methods from private to protected.
7493         (Target_arm::do_may_relax): New method definition.
7494         (Target_arm::do_relax, Target_arm::group_sections,
7495         Target_arm::scan_reloc_for_stub,
7496         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7497         (Target_arm::arm_input_section_map_): New data member declaration.
7498         (Target_arm::scan_reloc_for_stub,
7499         Target_arm::scan_reloc_section_for_stubs,
7500         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7501         Target_arm::do_relax): New method definitions.
7502
7503 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7504
7505         * configure.ac: Check for (struct stat)::st_mtim
7506         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7507         * config.in: Regenerate.
7508         * configure: Regenerate.
7509
7510 2009-11-05  Ian Lance Taylor  <iant@google.com>
7511
7512         PR 10910
7513         * output.cc (Output_segment::add_output_section): Add missing
7514         return statement.
7515
7516 2009-11-04  Ian Lance Taylor  <iant@google.com>
7517
7518         PR 10880
7519         * object.h (class Object): Add is_needed and set_is_needed
7520         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7521         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7522         defined in a dynamic object and referenced by a regular object,
7523         set is_needed for the dynamic object.
7524         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7525         if the file is marked with as_needed and it is not needed.
7526
7527 2009-11-04  Ian Lance Taylor  <iant@google.com>
7528
7529         PR 10887
7530         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7531         tags if data is discarded by linker script.
7532         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7533         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7534         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7535         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7536
7537 2009-11-04  Ian Lance Taylor  <iant@google.com>
7538
7539         * layout.cc (Layout::get_output_section): Add is_interp and
7540         is_dynamic_linker_section parameters.  Change all callers.
7541         (Layout::choose_output_section): Likewise.
7542         (Layout::make_output_section): Likewise.
7543         (Layout::add_output_section_data): Add is_dynamic_linker_section
7544         parameter.  Change all callers.
7545         * layout.h (class Layout): Update declarations.
7546         * output.h (class Output_section): Add is_interp, set_is_interp,
7547         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7548         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7549         generate_code_fills_at_write_ to a bitfield.
7550         * output.cc (Output_section::Output_sections): Initialize new
7551         fields.
7552         (Output_segment::add_output_section): Add do_sort parameter.
7553         Change all callers.
7554
7555 2009-11-03  Ian Lance Taylor  <iant@google.com>
7556
7557         PR 10860
7558         * options.h (class General_options): Add --warn-common.
7559         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7560         merging two common symbols.
7561         (Symbol_table::should_override): Handle --warn-common when merging
7562         a common symbol with a defined symbol.  Use report_resolve_problem
7563         for multiple definitions.
7564         (Symbol_table::report_resolve_problem): New function.
7565         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7566
7567 2009-11-03  Doug Kwan  <dougkwan@google.com>
7568
7569         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7570         stub_factory_.
7571         (Target_arm::stub_factory): New method definition.
7572         (Target_arm::new_arm_input_section,
7573         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7574         Target_arm::reloc_uses_thumb_bit): New method declarations.
7575         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7576         New type definitions.
7577         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7578         member declarations.
7579         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7580         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7581         New method definitions.
7582
7583 2009-11-03  Ian Lance Taylor  <iant@google.com>
7584
7585         * options.h (class General_options): Add --warn_constructors.
7586
7587 2009-11-03  Ian Lance Taylor  <iant@google.com>
7588
7589         PR 10893
7590         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7591         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7592
7593 2009-11-03  Ian Lance Taylor  <iant@google.com>
7594
7595         PR 10895
7596         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7597         --msgid-bugs-address.
7598         (install-pdf): New target.
7599         (install-data_yes): Look up one directory to find mkinstalldirs.
7600
7601 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7602
7603         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7604         tree.
7605
7606 2009-10-30  Doug Kwan  <dougkwan@google.com>
7607
7608         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7609
7610 2009-10-30  Doug Kwan  <dougkwan@google.com>
7611
7612         * arm.cc (Stub_addend_reader): New struct template definition
7613         and partial specializations.
7614         (Stub_addend_reader::operator()): New method definition for a
7615         partially specialized template.
7616
7617 2009-10-30  Doug Kwan  <dougkwan@google.com>
7618
7619         * arm.cc (Arm_relobj::processor_specific_flags): New method
7620         definition.
7621         (Arm_relobj::do_read_symbols): New method declaration.
7622         (Arm_relobj::processor_specific_flags_): New data member declaration.
7623         (Arm_dynobj): New class definition.
7624         (Target_arm::do_finalize_sections): Add input_objects parameter.
7625         (Target_arm::do_adjust_elf_header): New method declaration.
7626         (Target_arm::are_eabi_versions_compatible,
7627         (Target_arm::merge_processor_specific_flags): New method declaration.
7628         (Target_arm::do_make_elf_object): New overloaded method definitions
7629         and declaration.
7630         (Arm_relobj::do_read_symbols): New method definition.
7631         (Arm_dynobj::do_read_symbols): Ditto.
7632         (Target_arm::do_finalize_sections): Add input_objects parameters.
7633         Merge processor-specific flags from all input objects.
7634         (Target_arm::are_eabi_versions_compatible,
7635         Target_arm::merge_processor_specific_flags,
7636         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7637         New method definitions.
7638         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7639         Input_objects pointer type parameter.
7640         * layout.cc (Layout::finalize): Pass input objects to target's.
7641         finalize_sections function.
7642         * output.cc (Output_file_header::do_sized_write): Set ELF file
7643         header's processor-specific flags.
7644         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7645         Input_objects pointer type parameter.
7646         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7647         * target.h (Input_objects): New forward class declaration.
7648         (Target::processor_specific_flags,
7649         Target::are_processor_specific_flags_sect): New method definitions.
7650         (Target::finalize_sections): Add input_objects parameter.
7651         (Target::Target): Initialize processor_specific_flags_ and
7652         are_processor_specific_flags_set_.
7653         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7654         parameter.
7655         (Target::set_processor_specific_flags): New method definition.
7656         (Target::processor_specific_flags_,
7657         Target::are_processor_specific_flags_set_): New data member
7658         declarations.
7659         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7660         Input_objects pointer type parameter.
7661
7662 2009-10-30  Doug Kwan  <dougkwan@google.com>
7663
7664         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7665
7666 2009-10-28  Ian Lance Taylor  <iant@google.com>
7667
7668         * object.h (class Relobj): Drop options parameter from
7669         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7670         do_scan_relocs, do_relocate.  Change all callers.
7671         (class Sized_relobj): Drop options parameters from
7672         do_gc_process_relocs, do_scan_relocs, do_relocate,
7673         do_relocate_sections, relocate_sections, emit_relocs_scan,
7674         emit_relocs_scan_reltype.  Change all callers.
7675         (struct Relocate_info): Remove options field and all references to
7676         it.
7677         * reloc.h (class Read_relocs): Remove options constructor
7678         parameter and options_ field.  Change all callers.
7679         (class Gc_process_relocs, class Scan_relocs): Likewise.
7680         (class Relocate_task): Likewise.
7681         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7682         all callers.
7683         (scan_relocatable_relocs): Likewise.
7684         * target.h (class Sized_target): Remove options parameter from
7685         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7686         all callers.
7687         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7688         callers.
7689         * arm.cc: Update functions to remove options parameters.
7690         * i386.cc: Likewise.
7691         * powerpc.cc: Likewise.
7692         * sparc.cc: Likewise.
7693         * x86_64.cc: Likewise.
7694         * testsuite/testfile.cc: Likewise.
7695
7696 2009-10-28  Doug Kwan  <dougkwan@google.com>
7697
7698         * arm.cc (Arm_relobj): New class definition.
7699         (Arm_relobj::scan_sections_for_stubs,
7700         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7701         New method definitions.
7702
7703 2009-10-28  Cary Coutant  <ccoutant@google.com>
7704
7705         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7706         (Plugin::cleanup_done_): New member.
7707         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7708         (Plugin_manager::cleanup_done_): Remove.
7709         (Plugin_manager::add_input_file): Edit error message.
7710         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7711         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7712
7713 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7714
7715         * fileread.cc: (File_read::View::~View): Use the new
7716         data_ownership_ filed.
7717         (File_read::~File_read): Dispose the new whole_file_view_.
7718         (File_read::open): Mmap the whole file if needed.
7719         (File_read::open): Use whole_file_view_ instead of contents_.
7720         (File_read::find_view): Use whole_file_view_ if applicable.
7721         (File_read::do_read): Use whole_file_view_ instead of contents_.
7722         (File_read::make_view): Use whole_file_view_ instead of contents_,
7723         update File_read::View::View call.
7724         (File_read::find_or_make_view): Update File_read::View::View
7725         call.
7726         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7727         remove contents_
7728         (File_read::View::Data_ownership): New enum.
7729         (File_read::View::View): Replace bool mapped_ with Data_ownership
7730         argument.
7731         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7732         (File_read::View::data_ownership_): New field.
7733         (File_read::contents_): Remove (replaced by whole_file_view_).
7734         (File_read::whole_file_view_): New field.
7735         * options.h (class General_options): Add --keep-files-mapped.
7736
7737 2009-10-27  Cary Coutant  <ccoutant@google.com>
7738
7739         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7740         * testsuite/Makefile.am (plugin_test_5): New test case.
7741         * testsuite/Makefile.in: Regenerate.
7742
7743 2009-10-25  Doug Kwan  <dougkwan@google.com>
7744
7745         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7746         from private to protected to allow access by child class.
7747         (Sized_relobj::do_relocate_sections): New method declaration.
7748         (Sized_relobj::relocate_sections): Virtualize.
7749         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7750         Sized_relobj::relocate_sections.  Instantiate template explicitly
7751         for different target sizes and endianity.
7752
7753 2009-10-24  Doug Kwan  <dougkwan@google.com>
7754
7755         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7756         (Arm_input_section::as_arm_input_section): New method.
7757         (Arm_output_section): New class definition.
7758         (Arm_output_section::create_stub_group,
7759         Arm_output_section::group_sections): New method definitions.
7760
7761 2009-10-22  Doug Kwan  <dougkwan@google.com>
7762
7763         * arm.cc (Arm_input_section): New class definition.
7764         (Arm_input_section::init, Arm_input_section:do_write,
7765         Arm_input_section::set_final_data_size,
7766         Arm_input_section::do_reset_address_and_file_offset): New method
7767         definitions.
7768
7769 2009-10-21  Doug Kwan  <dougkwan@google.com>
7770
7771         * arm.cc (Stub_table, Arm_input_section): New forward class
7772         declarations.
7773         (Stub_table): New class defintion.
7774         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7775         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7776         New method definition.
7777
7778 2009-10-21  Doug Kwan  <dougkwan@google.com>
7779
7780         * arm.cc: Update copyright comments.
7781         (Target_arm): New forward class template declaration.
7782         (Arm_address): New type.
7783         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7784         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7785         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7786         constants.
7787         (Insn_template): Same.
7788         (DEF_STUBS): New macro.
7789         (Stub_type): New enum type.
7790         (Stub_template): New class definition.
7791         (Stub): Same.
7792         (Reloc_stub): Same.
7793         (Stub_factory): Same.
7794         (Target_arm::Target_arm): Initialize may_use_blx_ and
7795         should_force_pic_veneer_.
7796         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7797         Target_arm::should_force_pic_veneer,
7798         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7799         Target_arm::using_thumb_only, Target_arm:;default_target): New
7800         method defintions.
7801         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7802         New data member declarations.
7803         (Insn_template::size, Insn_template::alignment): New method defintions.
7804         (Stub_template::Stub_template): New method definition.
7805         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7806         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7807         (Stub_factory::Stub_factory): New method definition.
7808         * gold.h (string_hash): New template.
7809         * output.h (Input_section_specifier::hash_value): Use
7810         gold::string_hash.
7811         (Input_section_specifier::string_hash): Remove.
7812         * stringpool.cc (Stringpool_template::string_hash): Use
7813         gold::string_hash.
7814
7815 2009-10-20  Doug Kwan  <dougkwan@google.com>
7816
7817         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7818         symbols of relaxed input sections.
7819         * output.h (Output_section::find_relaxed_input_section): Make
7820         method public.
7821
7822 2009-10-16  Doug Kwan  <dougkwan@google.com>
7823
7824         * dynobj.cc (Versions::Versions): Initialize version_script_.
7825         Only insert base version symbol definition for a shared object
7826         if version script defines any version versions.
7827         (Versions::define_base_version): New method definition.
7828         (Versions::add_def): Check that base version is not needed.
7829         (Versions::add_need): Define base version lazily.
7830         * dynobj.h (Versions::define_base_version): New method declaration.
7831         (Versions::needs_base_version_): New data member declaration.
7832         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7833         (check_DATA): Add no_version_test.stdout.
7834         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7835         New make rules.
7836         * testsuite/Makefile.in: Regenerate.
7837         * testsuite/no_version_test.c: New file.
7838         * testsuite/no_version_test.sh: Ditto.
7839
7840 2009-10-16  Doug Kwan  <dougkwan@google.com>
7841
7842         * expression.cc (class Segment_start_expression): New class definition.
7843         (Segment_start_expression::value): New method definition.
7844         (script_exp_function_segment_start): Return a new
7845         Segment_start_expression.
7846         * gold/script-c.h (script_saw_segment_start_expression): New function
7847         prototype.
7848         * script-sections.cc (Script_sections::Script_sections): Initialize
7849         SAW_SEGMENT_START_EXPRESSION_ to false.
7850         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7851         and -Tbbs options to specify section addresses if given in
7852         command line and no SEGMENT_START expression is seen in a script.
7853         * script-sections.h (Script_sections::saw_segment_start_expression,
7854         Script_sections::set_saw_segment_start_expression): New method
7855         definition.
7856         (Script_sections::saw_segment_start_expression_): New data member
7857         declaration.
7858         * script.cc (script_saw_segment_start_expression): New function.
7859         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7860         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7861         script_test_7.sh and script_test_8.sh.
7862         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7863         script_test_8.stdout.
7864         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7865         (script_test_6, script_test_6.stdout, script_test_7,
7866         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7867         * Makefile.in: Regenerate.
7868         * testsuite/script_test_6.sh: New file.
7869         * testsuite/script_test_6.t: Same.
7870         * testsuite/script_test_7.sh: Same.
7871         * testsuite/script_test_7.t: Same.
7872         * testsuite/script_test_8.sh: Same.
7873
7874 2009-10-16  Doug Kwan  <dougkwan@google.com>
7875
7876         * output.cc (Output_segment::set_section_list_address): Cast
7877         expressions to unsigned long long type to avoid format warnings.
7878
7879 2009-10-15  Ian Lance Taylor  <iant@google.com>
7880
7881         * script.cc (Script_options::add_symbol_assignment): Always add a
7882         dot assignment to script_sections_.
7883         * script-sections.cc (Script_sections::add_dot_assignment):
7884         Initialize if necessary.
7885
7886         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7887         program headers with no load segment if there is a linker script.
7888
7889         * layout.cc (Layout::set_segment_offsets): Align the file offset
7890         to the segment aligment for -N or -n with no load segment.
7891         * output.cc (Output_segment::add_output_section): Don't crash if
7892         the first section is a TLS section.
7893         (Output_segment::set_section_list_addresses): Print an error
7894         message if the address moves backward in a linker script.
7895         * script-sections.cc
7896         (Output_section_element_input::set_section_addresses): Don't
7897         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7898         (Orphan_output_section::set_section_addresses): Likewise.
7899
7900 2009-10-15  Doug Kwan  <dougkwan@google.com>
7901
7902         * layout.cc (Layout::finish_dynamic_section): Generate tags
7903         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7904         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7905         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7906
7907 2009-10-14  Ian Lance Taylor  <iant@google.com>
7908
7909         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7910         fields.
7911         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7912         data_shdr fields of relinfo.
7913         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7914         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7915         R_386_TLS_LDO_32, adjust based on section flags.
7916         (Target_i386::Relocate::fix_up_ldo): Remove.
7917
7918 2009-10-13  Ian Lance Taylor  <iant@google.com>
7919
7920         Add support for -pie.
7921         * options.h (class General_options): Add -pie and
7922         --pic-executable.
7923         (General_options::output_is_position_independent): Test -pie.
7924         (General_options::output_is_executable): Return true if not shared
7925         and not relocatable.
7926         (General_options::output_is_pie): Remove.
7927         * options.cc (General_options::finalize): Reject incompatible uses
7928         of -pie.
7929         * gold.cc (queue_middle_tasks): A -pie link is not static.
7930         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7931         * symtab.cc (Symbol::final_value_is_known): Return false if
7932         output_is_position_independent.
7933         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7934         output_is_position_independent.
7935         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7936         output_is_position_independent.
7937         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7938         output_is_position_independent.
7939         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7940         two_file_pie_test.
7941         (basic_pie_test.o, basic_pie_test): New targets.
7942         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7943         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7944         (two_file_pie_test): New target.
7945         * testsuite/Makefile.in: Rebuild.
7946         * README: Remove note saying that -pie is not supported.
7947
7948 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7949
7950         * options.h (class General_options): Add -init and -fini.
7951         * layout.cc (Layout::finish_dynamic_section): Emit
7952         given init and fini functions.
7953
7954 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7955
7956         * gc.h (gc_process_relocs): Check if icf is enabled using new
7957         function.
7958         * gold.cc (queue_initial_tasks): Likewise.
7959         (queue_middle_tasks): Likewise.
7960         * object.cc (do_layout): Likewise.
7961         * symtab.cc (is_section_folded): Likewise.
7962         * main.cc (main): Likewise.
7963         * reloc.cc (Read_relocs::run): Likewise.
7964         (Sized_relobj::do_scan_relocs): Likewise.
7965         * icf.cc (is_function_ctor_or_dtor): New function.
7966         (Icf::find_identical_sections): Check if function is ctor or dtor when
7967         safe icf is chosen.
7968         * options.h (General_options::icf): Change option to be an enum.
7969         (Icf_status): New enum.
7970         (icf_enabled): New method.
7971         (icf_safe_folding): New method.
7972         (set_icf_status): New method.
7973         (icf_status_): New variable.
7974         * (options.cc) (General_options::finalize): Set icf_status_.
7975         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7976         icf_test and icf_keep_unique_test to use the --icf enum flag.
7977         * testsuite/icf_safe_test.sh: New file.
7978         * testsuite/icf_safe_test.cc: New file.
7979
7980 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7981
7982         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7983         includes to gc.h and icf.h.
7984         * arm.cc: Include gc.h.
7985         * gold.cc: Likewise.
7986         * i386.cc: Likewise.
7987         * powerpc.cc: Likewise.
7988         * sparc.cc: Likewise.
7989         * x86_64.cc: Likewise.
7990         * gc.h: Include icf.h.
7991
7992 2009-10-11  Ian Lance Taylor  <iant@google.com>
7993
7994         * plugin.cc: Include "gold.h" before other header files.
7995
7996 2009-10-10  Chris Demetriou  <cgd@google.com>
7997
7998         * options.h (Input_file_argument::Input_file_type): New enum.
7999         (Input_file_argument::is_lib_): Replace with...
8000         (Input_file_argument::type_): New member.
8001         (Input_file_argument::Input_file_argument): Take Input_file_type
8002         'type' rather than boolean 'is_lib' as second argument.
8003         (Input_file_argument::is_lib): Use type_.
8004         (Input_file_argument::is_searched_file): New function.
8005         (Input_file_argument::may_need_search): Handle is_searched_file.
8006         * options.cc (General_options::parse_library): Support -l:filename.
8007         (General_options::parse_just_symbols): Update for Input_file_argument
8008         changes.
8009         (Command_line::process): Likewise.
8010         * archive.cc (Archive::get_file_and_offset): Likewise.
8011         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8012         * script.cc (read_script_file, script_add_file): Likewise.
8013         * fileread.cc (Input_file::Input_file): Likewise.
8014         (Input_file::will_search_for): Handle is_searched_file.
8015         (Input_file::open): Likewise.
8016         * readsyms.cc (Read_symbols::get_name): Likewise.
8017         * testsuite/Makefile.am (searched_file_test): New test.
8018         * testsuite/Makefile.in: Regenerate.
8019         * testsuite/searched_file_test.cc: New file.
8020         * testsuite/searched_file_test_lib.cc: New file.
8021
8022 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8023             Ian Lance Taylor  <iant@google.com>
8024
8025         * descriptor.cc: Include <cstdio> and "binary-io.h".
8026         (Descriptors::open): Open the files in binary mode always.
8027         * script.cc (Lex::get_token): Treat \r as whitespace.
8028
8029 2009-10-09  Ian Lance Taylor  <iant@google.com>
8030
8031         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8032
8033 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8034             Ian Lance Taylor  <iant@google.com>
8035
8036         * configure.ac: Check for readv function also.
8037         * fileread.cc (readv): Define if not HAVE_READV.
8038         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8039         does not exist.
8040         * config.in: Regenerate.
8041         * configure: Regenerate.
8042
8043 2009-10-09  Doug Kwan  <dougkwan@google.com>
8044
8045         * layout.cc (Layout::make_output_section): Call target hook to make
8046         ordinary output section.
8047         (Layout::finalize): Adjust parameter list of call the
8048         Target::may_relax().
8049         * layout.h (class Layout::section_list): New method.
8050         * merge.h (Output_merge_base::entsize): Change visibility to public.
8051         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8052         New methods.
8053         (Output_merge_string::do_is_string): New method.
8054         * object.cc (Sized_relobj::do_setup): renamed from
8055         Sized_relobj::set_up.
8056         * object.h (Sized_relobj::adjust_shndx,
8057         Sized_relobj::initializ_input_to_output_maps,
8058         Sized_relobj::free_input_to_output_maps): Change visibilities to
8059         protected.
8060         (Sized_relobj::setup): Virtualize.
8061         (Sized_relobj::do_setup): New method declaration.
8062         (Sized_relobj::invalidate_section_offset,
8063         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8064         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8065         * options.cc (parse_int): New function.
8066         * options.h (parse_int): New declaration.
8067         (DEFINE_int): New macro.
8068         (stub_group_size): New option.
8069         * output.cc (Output_section::Output_section): Initialize memebers
8070         merge_section_map_, merge_section_by_properties_map_,
8071         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8072         (Output_section::add_input_section): Handled deferred code-fill
8073         generation and remove an old comment.
8074         (Output_section::add_relaxed_input_section): New method definition.
8075         (Output_section::add_merge_input_section): Use merge section by
8076         properties map to speed to search.  Update merge section maps
8077         as appropriate.
8078         (Output_section::build_relaxation_map): New method definition.
8079         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8080         Same.
8081         (Output_section::relax_input_section): Renamed to
8082         Output_section::convert_input_sections_to_relaxed_sections and change
8083         interface to take a vector of pointers to relaxed sections.
8084         (Output_section::find_merge_section,
8085         Output_section::find_relaxed_input_section): New method definitions.
8086         (Output_section::is_input_address_mapped,
8087         Output_section::output_offset, Output_section::output_address):
8088         Use output section data maps to speed up searching.
8089         (Output_section::find_starting_output_address): Add comments.
8090         (Output_section::do_write,
8091         Output_section::write_to_postprocessing_buffer): Do code-fill
8092         generation as appropriate.
8093         (Output_section::get_input_sections): Invalidate relaxed input section
8094         map.
8095         (Output_section::restore_states): Adjust type of checkpoint .
8096         Invalidate relaxed input section map.
8097         * output.h (Output_merge_base): New class declaration.
8098         (Input_section_specifier): New class defintion.
8099         (class Output_relaxed_input_section) Change base class to
8100         Output_section_data_build.
8101         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8102         base class initializer.
8103         (Output_section::add_relaxed_input_section): New method declaration.
8104         (Output_section::Input_section): Change visibility to protected.
8105         (Output_section::Input_section::relobj,
8106         Output_section::Input_section::shndx): Handle relaxed input sections.
8107         Output_section::input_sections) Change visibility to protected.  Also
8108         define overload to return a non-const pointer.
8109         (Output_section::Merge_section_properties): New class defintion.
8110         (Output_section::Merge_section_by_properties_map,
8111         Output_section::Output_section_data_by_input_section_map,
8112         Output_section::Relaxation_map): New types.
8113         (Output_section::relax_input_section): Rename method to
8114         Output_section::convert_input_sections_to_relaxed_sections and change
8115         interface to take a vector of relaxed section pointers.
8116         (Output_section::find_merge_section,
8117         Output_section::find_relaxed_input_section,
8118         Output_section::build_relaxation_map,
8119         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8120         New method declarations.
8121         (Output_section::merge_section_map_
8122         Output_section::merge_section_by_properties_map_,
8123         Output_section::relaxed_input_section_map_,
8124         Output_section::is_relaxed_input_section_map_valid_,
8125         Output_section::generate_code_fills_at_write_): New data members.
8126         * script-sections.cc
8127         (Output_section_element_input::set_section_addresses): Call
8128         current_data_size and addralign methods of relaxed input sections.
8129         (Orphan_output_section::set_section_addresses): Call current_data_size
8130         and addralign methods of relaxed input sections.
8131         * symtab.cc (Symbol_table::compute_final_value): Extract template
8132         from the body of Symbol_table::sized_finalize_symbol.
8133         (Symbol_table::sized_finalized_symbol): Call
8134         Symbol_table::compute_final_value.
8135         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8136         (Symbol_table::compute_final_value): New templated method declaration.
8137         * target.cc (Target::do_make_output_section): New method defintion.
8138         * target.h (Target::make_output_section): New method declaration.
8139         (Target::relax): Add more parameters for input objects, symbol table
8140         and layout.  Adjust call to do_relax.
8141         (Target::do_make_output_section): New method declaration.
8142         (Target::do_relax): Add parameters for input objects, symbol table
8143         and layout.
8144
8145 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8146
8147         * pread.c: Include stdio.h.
8148
8149 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8150
8151         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8152         defined.
8153
8154 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8155
8156         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8157         Change read_shndx type to unsigned int.
8158         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8159         int.
8160         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8161         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8162         Change read_shndx type to unsigned int.
8163         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8164         int.
8165         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8166         * layout.cc (Layout::create_symtab_sections): Cast the result of
8167         local_symcount * symsize to off_t in the gold_assert.
8168
8169 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8170
8171         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8172         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8173         R_ARM_BASE_ABS.
8174         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8175         (Arm_relocate_functions::thm_abs5): New function.
8176         (Arm_relocate_functions::abs12): New function.
8177         (Arm_relocate_functions::abs16): New function.
8178         (Arm_relocate_functions::base_abs): New function.
8179         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8180         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8181         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8182         R_ARM_BASE_ABS.
8183         (Scan::global): Likewise.
8184         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8185         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8186         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8187         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8188         R_ARM_BASE_ABS.
8189
8190 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8191
8192         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8193         (Arm_relocate_functions::movt_prel): New function.
8194         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8195         (Arm_relocate_functions::thm_movt_prel): New function.
8196         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8197         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8198         (Scan::global, Relocate::relocate): Likewise.
8199         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8200
8201 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8202
8203         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8204         Incremental_checker.
8205         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8206         unsigned int.
8207         (class Incremental_inputs_header): New class.
8208         (Incremental_inputs_header_writer): Edit comment.
8209         (Incremental_inputs_entry): New class.
8210         (Incremental_inputs_entry_writer): Edit comment.
8211         (Sized_incremental_binary::do_find_incremental_inputs_section):
8212         Add *strtab_shndx parameter, fill it.
8213         (Sized_incremental_binary::do_check_inputs): New method.
8214         (Incremental_checker::can_incrementally_link_output_file): Use
8215         Sized_incremental_binary::check_inputs.
8216         (Incremental_inputs::report_command_line): Save command line in
8217         command_line_.
8218         * incremental.h:
8219         (Incremental_binary::find_incremental_inputs_section): New
8220         method.
8221         (Incremental_binary::do_find_incremental_inputs_section): Add
8222         strtab_shndx parameter.
8223         (Incremental_binary::do_check_inputs): New pure virtual method.
8224         (Sized_incremental_binary::do_check_inputs): Declare.
8225         (Incremental_checker::Incremental_checker): Add incremental_inputs
8226         parameter, use it to initialize incremental_inputs_.
8227         (Incremental_checker::incremental_inputs_): New field.
8228         (Incremental_checker::command_line): New method.
8229         (Incremental_checker::inputs): New method.
8230         (Incremental_checker::command_line_): New field.
8231
8232 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8233
8234         * incremental.cc: Include <cstdarg> and "target-select.h".
8235         (vexplain_no_incremental): New function.
8236         (explain_no_incremental): New function.
8237         (Incremental_binary::error): New method.
8238         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8239         method.
8240         (make_sized_incremental_binary): New function.
8241         (open_incremental_binary): New function.
8242         (can_incrementally_link_file): Add checks if output is ELF and has
8243         inputs section.
8244         * incremental.h: Include "elfcpp_file.h" and "output.h".
8245         (Incremental_binary): New class.
8246         (Sized_incremental_binary): New class.
8247         (open_incremental_binary): Declare.
8248         * object.cc (is_elf_object): Use
8249         elfcpp::Elf_recognizer::is_elf_file.
8250         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8251         * output.h (Output_file::filesize): New method.
8252
8253 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8254
8255         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8256         New function.
8257         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8258         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8259         function.
8260         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8261         function.
8262         (Arm_relocate_functions::movw_abs_nc): New function.
8263         (Arm_relocate_functions::movt_abs): New function.
8264         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8265         (Arm_relocate_functions::thm_movt_abs): New function.
8266         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8267         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8268         (Scan::global): Likewise.
8269         (Relocate::relocate): Likewise.
8270         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8271
8272 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8273
8274         * arm.cc (Arm_relocate_functions::got_prel) New function.
8275         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8276         (Relocate::relocate): Likewise.
8277         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8278
8279 2009-10-06  Ian Lance Taylor  <iant@google.com>
8280
8281         * options.h (class General_options): Define
8282         split_stack_adjust_size parameter.
8283         * object.h (class Object): Add uses_split_stack_ and
8284         has_no_split_stack_ fields.  Add uses_split_stack and
8285         has_no_split_stack accessor functions.  Declare
8286         handle_split_stack_section.
8287         (class Reloc_symbol_changes): Define.
8288         (class Sized_relobj): Define Function_offsets.  Declare
8289         split_stack_adjust, split_stack_adjust_reltype, and
8290         find_functions.
8291         * object.cc (Object::handle_split_stack_section): New function.
8292         (Sized_relobj::do_layout): Call handle_split_stack_section.
8293         * dynobj.cc (Sized_dynobj::do_layout): Call
8294         handle_split_stack_section.
8295         * reloc.cc (Sized_relobj::relocate_sections): Call
8296         split_stack_adjust for executable sections in split_stack
8297         objects.  Pass reloc_map to relocate_section.
8298         (Sized_relobj::split_stack_adjust): New function.
8299         (Sized_relobj::split_stack_adjust_reltype): New function.
8300         (Sized_relobj::find_functions): New function.
8301         * target-reloc.h: Include "object.h".
8302         (relocate_section): Add reloc_symbol_changes parameter.  Change
8303         all callers.
8304         * target.h (class Target): Add calls_non_split method.  Declare
8305         do_calls_non_split virtual method.  Declare match_view and
8306         set_view_to_nop.
8307         * target.cc: Include "elfcpp.h".
8308         (Target::do_calls_non_split): New function.
8309         (Target::match_view): New function.
8310         (Target::set_view_to_nop): New function.
8311         * gold.cc (queue_middle_tasks): Give an error if mixing
8312         split-stack and non-split-stack objects with -r.
8313         * i386.cc (Target_i386::relocate_section): Add
8314         reloc_symbol_changes parameter.
8315         (Target_i386::do_calls_non_split): New function.
8316         * x86_64.cc (Target_x86_64::relocate_section): Add
8317         reloc_symbol_changes parameter.
8318         (Target_x86_64::do_calls_non_split): New function.
8319         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8320         parameter.
8321         * powerpc.cc (Target_powerpc::relocate_section): Add
8322         reloc_symbol_changes parameter.
8323         * sparc.cc (Target_sparc::relocate_section): Add
8324         reloc_symbol_changes parameter.
8325         * configure.ac: Call AM_CONDITIONAL for the default target.
8326         * configure: Rebuild.
8327         * testsuite/Makefile.am (TEST_AS): New variable.
8328         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8329         (check_DATA): Add split_i386 and split_x86_64 files.
8330         (SPLIT_DEFSYMS): Define.
8331         (split_i386_[1234n].o): New targets.
8332         (split_i386_[124]): New targets.
8333         (split_i386_[1234r].stdout): New targets.
8334         (split_x86_64_[1234n].o): New targets.
8335         (split_x86_64_[124]): New targets.
8336         (split_x86_64_[1234r].stdout): New targets.
8337         (MOSTLYCLEANFILES): Add new executables.
8338         * testsuite/split_i386.sh: New file.
8339         * testsuite/split_x86_64.sh: New file.
8340         * testsuite/split_i386_1.s: New file.
8341         * testsuite/split_i386_2.s: New file.
8342         * testsuite/split_i386_3.s: New file.
8343         * testsuite/split_i386_4.s: New file.
8344         * testsuite/split_i386_n.s: New file.
8345         * testsuite/split_x86_64_1.s: New file.
8346         * testsuite/split_x86_64_2.s: New file.
8347         * testsuite/split_x86_64_3.s: New file.
8348         * testsuite/split_x86_64_4.s: New file.
8349         * testsuite/split_x86_64_n.s: New file.
8350         * testsuite/testfile.cc (Target_test): Update relocation_section
8351         function.
8352         * testsuite/Makefile.in: Rebuild.
8353
8354 2009-10-06  Ian Lance Taylor  <iant@google.com>
8355
8356         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8357         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8358         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8359         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8360         the address on ldo_addrs_.
8361         (Target_i386::Relocate::fix_up_ldo): New function.
8362
8363 2009-10-06   Rafael Espindola  <espindola@google.com>
8364
8365         * plugin.cc (add_input_library): New.
8366         (Plugin::load): Add add_input_library to tv.
8367         (Plugin_manager::add_input_file): Add the is_lib argument.
8368         (add_input_file): Update call to Plugin_manager::add_input_file.
8369         (add_input_library): New.
8370         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8371
8372 2009-09-30  Doug Kwan  <dougkwan@google.com>
8373
8374         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8375         symbol and call Symbol::may_need_copy_reloc to determine if
8376         a copy reloc is needed.
8377         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8378         nocopyreloc is given in command line.
8379         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8380         given in command line.
8381         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8382         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8383         of the removed Target_i386::may_need_copy_reloc.
8384         * options.h (copyreloc): New option with default value false.
8385         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8386         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8387         instead of the removed Target_powerpc::may_need_copy_reloc.
8388         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8389         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8390         instead of the removed Target_sparc::may_need_copy_reloc.
8391         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8392         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8393         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8394         instead of the removed Target_x86_64::may_need_copy_reloc.
8395
8396 2009-09-30  Ian Lance Taylor  <iant@google.com>
8397
8398         * object.h (class Object): Remove target_ field, and target,
8399         sized_target, and set_target methods.
8400         (Object::sized_target): Remove.
8401         (class Sized_relobj): Update declarations.  Remove sized_target.
8402         * object.cc (Sized_relobj::setup): Remove target parameter.
8403         Change all callers.
8404         (Input_objects::add_object): Don't do anything with the target.
8405         (make_elf_sized_object): Add punconfigured parameter.  Change all
8406         callers.  Set or test parameter target.
8407         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8408         Change all callers.
8409         * parameters.cc (Parameters::set_target): Change parameter type to
8410         be non-const.
8411         (Parameters::default_target): Remove.
8412         (set_parameters_target): Change parameter type to be non-const.
8413         (parameters_force_valid_target): New function.
8414         (parameters_clear_target): New function.
8415         * parameters.h (class Parameters): Update declarations.  Remove
8416         default_target method.  Add sized_target and clear_target
8417         methods.  Change target_ to be non-const.
8418         (set_parameters_target): Update declaration.
8419         (parameters_force_valid_target): Declare.
8420         (parameters_clear_target): Declare.
8421         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8422         as NULL if we aren't searching.
8423         (Add_symbols::run): Don't check for compatible target.
8424         * fileread.cc (Input_file::open_binary): Call
8425         parameters_force_valid_target.
8426         * gold.cc (queue_middle_tasks): Likewise.
8427         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8428         set_target on object.
8429         * dynobj.h (class Sized_dynobj): Update declarations.
8430         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8431         make_elf_object returns NULL.
8432         (Archive::include_member): Don't check whether object target is
8433         compatible.
8434         * output.cc (Output_section::add_input_section): Get target from
8435         parameters.
8436         (Output_section::relax_input_section): Likewise.
8437         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8438         parameters.
8439         (Sized_relobj::do_scan_relocs): Likewise.
8440         (Sized_relobj::relocate_sections): Likewise.
8441         * resolve.cc (Symbol_table::resolve): Likewise.
8442         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8443         parameter.  Change all callers.
8444         (Symbol_table::add_from_object): Get target from parameters.
8445         (Symbol_table::add_from_relobj): Don't check object target.
8446         (Symbol_table::add_from_dynobj): Likewise.
8447         (Symbol_table::define_special_symbol): Get target from
8448         parameters.
8449         * symtab.h (class Symbol_table): Update declaration.
8450         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8451         parameter.  Change all callers.  Clear parameter target.
8452         (Binary_test): Test target here.
8453         * testsuite/object_unittest.cc (gold_testsuite): Remove
8454         target_test_pointer parameter.  Change all callers.
8455         (Object_test): Test target here.
8456
8457 2009-09-26  Ian Lance Taylor  <iant@google.com>
8458
8459         * testsuite/initpri1.c: Don't try to use constructor priorities if
8460         compiling with gcc before 4.3.
8461
8462 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8463
8464         * testsuite/retain_symbols_file_test.sh (check_present): Change
8465         output file name to retain_symbols_file_test.stdout.
8466         (check_absent): Likewise.
8467
8468 2009-09-18  Craig Silverstein  <csilvers@google.com>
8469
8470         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8471         * options.cc: Include <cerrno> and <fstream>.
8472         (General_options::finalize): Parse -retain-symbols-file tag.
8473         * options.h: New flag.
8474         (General_options): New method should_retain_symbol, new
8475         variable symbols_to_retain.
8476         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8477         should_retain_symbol map.
8478         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8479         * testsuite/Makefile.in: Regenerate.
8480         * testsuite/retain_symbols_file_test.sh: New file.
8481
8482 2009-09-18  Nick Clifton  <nickc@redhat.com>
8483
8484         * po/es.po: Updated Spanish translation.
8485
8486 2009-09-17  Doug Kwan  <dougkwan@google.com>
8487
8488         * debug.h (DEBUG_RELAXATION): New constant.
8489         (DEBUG_ALL): Add DEBUG_RELAXATION.
8490         (debug_string_to_enum): Add relaxation debug option.
8491         * layout.cc
8492         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8493         Layout::Relaxation_debug_check::read_sections,
8494         Layout::Relaxation_debug_check::read_sections): New method definitions.
8495         (Layout::Layout): Initialize data members
8496         record_output_section_data_from_scrips_,
8497         script_output_section_data_list_ and relaxation_debug_check_.
8498         (Layout::save_segments, Layout::restore_segments,
8499         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8500         Layout::relaxation_loop_body): New method definitions.
8501         (Layout::finalize): Support relaxation.  Move section layout code to
8502         Layout::relaxation_loop_body.
8503         (Layout::set_asection_address_from_script): Move code for orphan
8504         section placement out.
8505         (Layout::place_orphan_sections_in_script): New method definition.
8506         * layout.h (Output_segment_headers, Output_file_header):
8507         New forward class declarations.
8508         (Layout::~Layout): Define.
8509         (Layout::new_output_section_data_from_script): New method definition.
8510         (Layout::place_orphan_sections_in_script): New method declaration.
8511         (Layout::Segment_states): New type declaration.
8512         (Layout::save_segments, Layout::restore_segments,
8513         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8514         Layout::relaxation_loop_body): New method declarations.
8515         (Layout::Output_section_data_list): New type declaration.
8516         (Layout::Relaxation_debug_check): New class definition.
8517         (Layout::record_output_section_data_from_script_,
8518         Layout::script_output_section_data_list_, Layout::segment_states_,
8519         Layout::relaxation_debug_check_): New data members.
8520         * output.cc: (Output_section_headers::do_size): New method definition.
8521         (Output_section_headers::Output_section_headers): Move size
8522         computation to Output_section_headers::do_size.
8523         (Output_segment_headers::do_size): New method definition.
8524         (Output_file_header::Output_file_header): Move size computation to
8525         Output_file_header::do_size and call it.
8526         (Output_file_header::do_size): New method definition.
8527         (Output_data_group::Output_data_group): Adjust call to
8528         Output_section_data.
8529         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8530         (Output_symtab_xindex::do_write): Add array bound check.
8531         (Output_section::Input_section::print_to_mapfile): Handle
8532         RELAXED_INPUT_SECTION_CODE.
8533         (Output_section::Output_section): Initialize data member checkpoint_.
8534         (Output_section::~Output_section): Delete checkpoint object pointed
8535         by checkpoint_.
8536         (Output_section::add_input_section): Always add an Input_section if
8537         relaxing.
8538         (Output_section::add_merge_input_section): Add assert.
8539         (Output_section::relax_input_section): New method definition.
8540         (Output_section::set_final_data_size): Set load address to zero for
8541         an unallocated section.
8542         (Output_section::do_address_and_file_offset_have_reset_values):
8543         New method definition.
8544         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8545         Handle relaxed input section.
8546         (Output_section::sort_attached_input_sections): Checkpoint input
8547         section list lazily.
8548         (Output_section::get_input_sections): Change type of input_sections to
8549         list of Simple_input_section pointers.  Checkpoint input section list
8550         lazily.  Also handle relaxed input sections.
8551         (Output_section::add_input_section_for_script): Take a reference to
8552         a Simple_input_section object instead of Relobj pointer and section
8553         index as parameter.  Handle relaxed input sections.
8554         (Output_section::save_states, Output_section::restore_states): New
8555         method definitions.
8556         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8557         (Output_data::is_data_size_fixed): New method definition.
8558         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8559         if it is fixed.
8560         (Output_data::address_and_file_offset_have_reset_values): New method
8561         definition.
8562         (Output_data::do_address_and_file_offset_have_reset_values): New method
8563         definition.
8564         (Output_data::set_data_size): Check that data size is not fixed.
8565         (Output_data::fix_data_size): New method definition.
8566         (Output_data::is_data_size_fixed_): New data member.
8567         (Output_section_headers::set_final_data_size): New method definition.
8568         (Output_section_headers::do_size): New method declaration.
8569         (Output_segment_headers::set_final_data_size): New method definition.
8570         (Output_segment_headers::do_size): New method declaration.
8571         (Output_file_header::set_final_data_size)::New method definition.
8572         (Output_file_header::do_size)::New method declaration.
8573         (Output_section_data::Output_section_data): Add new parameter
8574         is_data_size_fixed and use it to fix data size.
8575         (Output_data_const::Output_data_const): Adjust call to base class
8576         constructor and fix data size.
8577         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8578         base class constructor and fix data size.
8579         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8580         base class constructor and fix data size.
8581         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8582         class constructor and fix data size.
8583         (Output_data_group::set_final_data_size): New method definition.
8584         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8585         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8586         class constructor and fix data size.
8587         (Output_relaxed_input_section): New class definition.
8588         (Output_section::Simple_input_section): New class definition.
8589         (Output_section::get_input_sections): Adjust parameter list.
8590         (Output_section::add_input_section_for_script): Same.
8591         (Output_section::save_states, Output_section::restore_states,
8592         Output_section::do_address_and_file_offset_have_reset_values,
8593         (Output_section::Input_section::Input_section): Handle
8594         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8595         Output_relaxed_input_section.
8596         (Output_section::Input_section::is_input_section,
8597         Output_section::Input_section::set_output_section): Handle relaxed
8598         input section.
8599         (Output_section::Input_section::is_relaxed_input_section,
8600         Output_section::Input_section::output_section_data,
8601         Output_section::Input_section::relaxed_input_section): New method
8602         definitions.
8603         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8604         value.
8605         (Output_section::Input_section::u1_): Update comments.
8606         (Output_section::Input_section::u2_): Add new union member poris.
8607         (Output_section::Checkpoint_output_section): New classs definition.
8608         (Output_section::relax_input_section): New method declaration.
8609         (Output_section::checkpoint_): New data member.
8610         (Output_segment): Update comments.
8611         (Output_segment::Output_segment): Un-privatize copy constructor.
8612         (Output_segment::operator=): Un-privatize.
8613         * script-sections.cc (Output_section_element::Input_section_list):
8614         Change element type to Output_section::Simple_input_section.
8615         (Output_section_element_dot_assignment::set_section_addresses):
8616         Register output section data for relaxation clean up.
8617         (Output_data_exression::Output_data_expression): Adjust call to base
8618         constructor to fix data size.
8619         (Output_section_element_data::set_section_addresses): Register
8620         Output_data_expression object for relaxation clean up.
8621         (struct Input_section_info): Replace Relobj pointer and section index
8622         pair with Output_section::Simple_input_section and Convert struct to a
8623         class.
8624         (Input_section_sorter::operator()): Adjust access to
8625         Input_section_info data member to use accessors.
8626         (Output_section_element_input::set_section_addresses): Use layout
8627         parameter.  Adjust code to use Output_section::Simple_input_section
8628         and Input_secction_info classes.  Register filler for relaxation
8629         clean up.
8630         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8631         and section index pair with Output_section::Simple_input_section
8632         class.  Adjust code accordingly.
8633         (Phdrs_element::release_segment): New method definition.
8634         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8635         segment list.
8636         (Script_sections::release_segments): New method definition.
8637         * gold/script-sections.h (Script_sections::release_segments): New
8638         method declaration.
8639         * gold/target.h (Target::may_relax, Target::relax,
8640         Target::do_may_relax, Target::do_relax): New method definitions.
8641
8642 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8643
8644         * arm.cc (has_signed_unsigned_overflow): New function.
8645         (Arm_relocate_functions::abs8): New function.
8646         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8647         (Target_arm::Scan::global): Likewise.
8648         (Target_arm::relocate::relocate): Likewise.
8649         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8650         Likewise.
8651
8652 2009-09-16  Cary Coutant  <ccoutant@google.com>
8653
8654         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8655         * testsuite/Makefile.in: Regenerate.
8656
8657 2009-09-11  Nick Clifton  <nickc@redhat.com>
8658
8659         * po/gold.pot: Updated by the Translation project.
8660
8661 2009-09-08  Cary Coutant  <ccoutant@google.com>
8662
8663         * output.cc (Output_file::open): Add execute permission to empty file.
8664         * testsuite/Makefile.am (permission_test): New test.
8665         * testsuite/Makefile.in: Regenerate.
8666
8667 2009-09-02  Ian Lance Taylor  <iant@google.com>
8668
8669         * output.cc (Output_file::resize): Call map_no_anonymous rather
8670         than map.
8671
8672 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8673
8674         * gold.cc: Include "incremental.h".
8675         (queue_initial_tasks): Call Incremental_checker methods.
8676         * incremental.cc: Include "output.h".
8677         (Incremental_checker::can_incrementally_link_output_file): New
8678         method.
8679         * incremental.h (Incremental_checker): New class.
8680
8681         * output.cc (Output_file::open_for_modification): New method.
8682         (Output_file::map_anonymous): Changed return type to bool.  Record
8683         map in base_ field.
8684         (Output_file::map_no_anonymous): New method, broken out of map.
8685         (Output_file::map): Use map_no_anonymous and map_anonymous.
8686         * output.h (class Output_file): Update declarations.
8687
8688 2009-08-24  Cary Coutant  <ccoutant@google.com>
8689
8690         * options.h (Command_line::Pre_options): New class.
8691         (Command_line::pre_options): New member.
8692         * options.cc (gold::options::ready_to_register): New variable.
8693         (One_option::register_option): Do nothing if not registering options.
8694         Assert if same short option registered twice.
8695         (General_options::General_options): Turn off option registration when
8696         done constructing.
8697         (Command_line::Pre_options::Pre_options): New constructor.
8698
8699 2009-08-24  Cary Coutant  <ccoutant@google.com>
8700
8701         * options.h (General_options::no_keep_memory): Remove incorrect
8702         short option.
8703
8704 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8705
8706         * Makefile.am (am__skiplex, am__skipyacc): New.
8707         * Makefile.in: Regenerate.
8708
8709 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8710
8711         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8712         (INCLUDES): ... this.
8713         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8714         (AM_CPPFLAGS): Renamed from ...
8715         (INCLUDE): ... this.
8716         * Makefile.in, testsuite/Makefile.in: Regenerate.
8717
8718         * Makefile.in: Regenerate.
8719         * aclocal.m4: Likewise.
8720         * config.in: Likewise.
8721         * configure: Likewise.
8722         * testsuite/Makefile.in: Likewise.
8723
8724         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8725         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8726         * Makefile.in: Regenerate.
8727         * testsuite/Makefile.in: Regenerate.
8728
8729 2009-08-19  Cary Coutant  <ccoutant@google.com>
8730
8731         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8732         symbols in shared libraries overridden by hidden or internal symbols
8733         in the main program.
8734
8735 2009-08-19  Chris Demetriou  <cgd@google.com>
8736
8737         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8738         checking source file names in error messages.
8739
8740 2009-08-18  Doug Kwan  <dougkwan@google.com>
8741
8742         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8743         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8744         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8745         an elfcpp::Ehdr as parameter.
8746         * object.cc (Object::set_target): Remove the version that looks up
8747         a target and sets it.
8748         (Sized_relobj::setup): Take a Target object instead of
8749         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8750         (make_elf_sized_object): Find target and ask target to
8751         make an ELF object.
8752         * object.h: (Object::set_target): Remove the version that looks up
8753         a target and sets it.
8754         (Sized_relobj::setup): Take a Target object instead of
8755         an elfcpp:Ehdr as parameter.
8756         * target.cc: Include dynobj.h.
8757         (Target::do_make_elf_object_implementation): New.
8758         (Target::do_make_elf_object): New.
8759         * target.h (Target::make_elf_object): New template declaration.
8760         (Target::do_make_elf_object): New method declarations.
8761         (Target::do_make_elf_object_implementation): New template declaration.
8762
8763 2009-08-14  Ian Lance Taylor  <iant@google.com>
8764
8765         * gold.h (FUNCTION_NAME): Define.
8766         (gold_unreachable): Use FUNCTION_NAME.
8767
8768 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8769
8770         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8771         symbol in the --keep-unique list is not found.
8772
8773 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8774
8775         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8776         been maked as --keep-unique.
8777         (Icf::unfold_section): New function.
8778         * icf.h (Icf::unfold_section): New function.
8779         * options.h (General_options::keep_unique): New option.
8780         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8781         * testsuite/Makefile.in: Regenerate.
8782         * testsuite/icf_keep_unique_test.sh: New file.
8783         * testsuite/icf_keep_unique_test.cc: New file.
8784
8785 2009-08-12  Cary Coutant  <ccoutant@google.com>
8786
8787         PR 10471
8788         * resolve.cc (Symbol_table::resolve): Check for references from
8789         dynamic objects to hidden and internal symbols.
8790         * testsuite/Makefile.am (hidden_test.sh): New test.
8791         * testsuite/Makefile.in: Regenerate.
8792         * testsuite/hidden_test.sh: New script.
8793         * testsuite/hidden_test_1.c: New test source.
8794         * testsuite/hidden_test_main.c: New test source.
8795
8796 2009-08-11  Doug Kwan  <dougkwan@google.com>
8797
8798         * arm.cc: Update comments.
8799         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8800         segment to locate the .ARM.exidx section if present.
8801
8802 2009-08-09  Doug Kwan  <dougkwan@google.com>
8803
8804         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8805         patch.
8806
8807 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8808         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8809         compiler warnings.
8810
8811 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8812
8813         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8814         valid tls_segment only for non-debug-section relocations.
8815         * testsuite/Makefile.am: Add gc_tls_test.
8816         * testsuite/Makefile.in: Regenerate.
8817         * testsuite/gc_tls_test.cc: New file.
8818         * testsuite/gc_tls_test.sh: New file.
8819
8820 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8821
8822         * icf.cc: New file.
8823         * icf.h: New file.
8824         * Makefile.am (CCFILES): Add icf.cc.
8825         (HFILES): Add icf.h
8826         * Makefile.in: Regenerate.
8827         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8828         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8829         section, symbol and addend information for the relocs.
8830         * gold.cc (queue_middle_tasks): Call identical code folding.
8831         * gold.h: Add defines for multimap.
8832         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8833         to the call of finalize_local_symbols.
8834         * main.cc (main): Create object of class Icf.
8835         * object.cc (Sized_relobj::do_layout): Allow this function to be
8836         called twice during icf.
8837         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8838         to sections marked as identical by icf.
8839         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8840         when available.
8841         (Sized_relobj::do_section_entsize): New function.
8842         * object.h (Object::section_entsize): New function.
8843         (Object::do_section_entsize): New pure virtual function.
8844         (Relobj::finalize_local_symbols): Add new parameter.
8845         (Relobj::do_section_entsize): New function.
8846         * options.h (General_options::icf): New option.
8847         (General_options::icf_iterations): New option.
8848         (General_options::print_icf_sections): New option.
8849         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8850         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8851         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8852         icf.
8853         * symtab.cc (Symbol_table::is_section_folded): New function.
8854         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8855         to sections marked as identical by icf.
8856         * symtab.h (Symbol_table::set_icf): New function.
8857         (Symbol_table::icf): New function.
8858         (Symbol_table::is_section_folded): New function.
8859         (Symbol_table::icf_): New data member.
8860         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8861         * testsuite/Makefile.am: Add commands to build icf_test.
8862         * testsuite/Makefile.in: Regenerate.
8863         * testsuite/icf_test.sh: New file.
8864         * testsuite/icf_test.cc: New file.
8865
8866 2009-07-24  Chris Demetriou  <cgd@google.com>
8867
8868         * layout.cc (is_compressible_debug_section): Fix incorrect
8869         comment about compressed section names.
8870
8871 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8872
8873         PR 10419
8874         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8875
8876 2009-07-16  Ian Lance Taylor  <iant@google.com>
8877
8878         PR 10400
8879         * layout.h: #include <map>.
8880         (class Kept_section): Change from struct to class.  Add accessors
8881         and setters.  Add section size to Comdat_group mapping.  Change
8882         Comdat_group to std::map.  Add is_comdat_ field.  Add
8883         linkonce_size field in union.
8884         (class Layout): Update declaration of find_or_add_kept_section.
8885         Don't declare find_kept_object.
8886         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8887         parameter.  Add object, shndx, is_comdat, and is_group_name
8888         parameters.  Change all callers.  Adjust for new Kept_section.
8889         (Layout::find_kept_object): Remove.
8890         * object.cc (Sized_relobj::include_section_group): Update use of
8891         Kept_section.  Rename secnum to shndx.  Only record
8892         Kept_comdat_section if sections are the same size.
8893         (Sized_relobj::include_linkonce_section): Update use of
8894         Kept_section.  Only record Kept_comdat_section if sections are the
8895         same size.  Set size of linkonce section.
8896         (Sized_relobj::map_to_kept_section): Update call to
8897         get_kept_comdat_section.
8898         * object.h (class Sized_relobj): Rename fields in
8899         Kept_comdat_section to drop trailing underscores; change object
8900         field to Relobj*.  Change Kept_comdat_section_table to store
8901         struct rather than pointer.
8902         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8903         Add kept_object and kept_shndx parameters.  Change all callers.
8904         (Sized_relobj::get_kept_comdat_section): Change return type to
8905         bool.  Add kept_object and kept_shndx parameters.  Change all
8906         callers.
8907         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8908         Layout::find_or_add_kept_section.
8909
8910 2009-07-09  Ian Lance Taylor  <iant@google.com>
8911
8912         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8913         Reserve space in the hash table.
8914
8915 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8916
8917         * fileread.cc (File_read::get_mtime): New method.
8918         * fileread.h (Timespec): New structure.
8919         (File_read::get_mtime): New method.
8920         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8921         Renamed from timestamp_nsec.
8922         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8923         Elf_Xword.
8924         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8925         timestamp_nsec.
8926         (Incremental_inputs::report_archive): Save mtime; style fix.
8927         (Incremental_inputs::report_obejct): Save mtime; style fix.
8928         (Incremental_inputs::report_script): Save mtime; style fix.
8929         (Incremental_inputs::finalize_inputs): Style fix.
8930         (Incremental_inputs::finalize): Style fix.
8931         (Incremental_inputs::create_input_section_data): Store inputs
8932         mtime.
8933         * incremental.h (Incremental_inputs::report_script): Add mtime
8934         argument.
8935         (Incremental_inputs::Input_info::Input_info): Intialize only one
8936         union member.
8937         (Incremental_inputs::Input_info::archive): Move to nameless
8938         union.
8939         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8940         (Incremental_inputs::Input_info::script): Move to nameless union.
8941         (Incremental_inputs::mtime): New field.
8942         * script.cc (read_input_script): Pass file mtime to
8943         Incremental_input.
8944         * script.h (Script_info::inputs): Style fix.
8945
8946 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8947
8948         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8949         instead of 32.
8950
8951 2009-06-24  Ian Lance Taylor  <iant@google.com>
8952
8953         PR 10156
8954         * layout.cc (Layout::choose_output_section): If we find an
8955         existing section, update the flags.
8956         (Layout::create_notes): New function, broken out of
8957         Layout::finalize.
8958         (Layout::finalize): Don't create note sections.
8959         (Layout::create_note): Don't crash if linker script discards
8960         section.
8961         (Layout::create_gold_note): Likewise.
8962         (Layout::create_build_id): Likewise.  Don't set
8963         after_input_sections on the section.
8964         (Layout::create_executable_stack_info): Remove target parameter.
8965         Change caller.
8966         * layout.h (class Layout): Declare create_notes.  Update
8967         declaration of create_executable_stack_info.
8968         * gold.cc (queue_middle_tasks): Call create_notes.
8969         * output.cc (Output_section::update_flags_for_input_section): Move
8970         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8971         invalid.
8972         * output.h (Output_data::mark_address_invalid): New function.
8973         (class Output_section): Only declare, not define,
8974         update_flags_for_input_section.  Remove set_flags.
8975
8976 2009-06-24  Ian Lance Taylor  <iant@google.com>
8977
8978         * script-sections.cc (Output_section_definition::
8979         set_section_addresses): Rename shadowing local load_address to
8980         laddr.
8981
8982 2009-06-24  Ian Lance Taylor  <iant@google.com>
8983
8984         PR 10244
8985         * reloc.cc (relocate_sections): Skip empty relocation sections.
8986
8987 2009-06-23  Ian Lance Taylor  <iant@google.com>
8988
8989         PR 10156
8990         * layout.cc (Layout::create_note): Use choose_output_section
8991         rather than make_output_section.
8992
8993 2009-06-23  Ian Lance Taylor  <iant@google.com>
8994
8995         PR 10237
8996         * options.cc (General_options::parse_V): Set printed_version_.
8997         (General_options::General_options): Initialize printed_version_.
8998         * options.h (class General_options): Add printed_version_ field.
8999         * gold.cc (queue_initial_tasks): If there are no input files,
9000         don't give a fatal error if we printed the version information.
9001         (queue_middle_tasks): If using -r with a shared object, give a
9002         fatal error rather than an ordinary error.
9003
9004 2009-06-23  Ian Lance Taylor  <iant@google.com>
9005
9006         PR 10219
9007         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9008         (Layout::make_output_section): Set have_stabstr_section_ if we see
9009         a .stab*str section.
9010         (Layout::finalize): Call link_stabs_sections.
9011         (Layout::link_stabs_sections): New file.
9012         * layout.h (class Layout): Add have_stabstr_section_ field.
9013         Declare link_stabs_sections.
9014
9015 2009-06-23  Doug Kwan  <dougkwan@google.com>
9016
9017         * Makefile.am (libgold_a_LIBADD): New.
9018         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9019         * Makefile.in: Regenerate.
9020         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9021         * configure: Regenerate.
9022         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9023         * fileread.cc: Include sys/state.h
9024         * gold.h: Declare memmem and strndup if found missing.
9025         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9026
9027 2009-06-23  Ian Lance Taylor  <iant@google.com>
9028
9029         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9030         * configure: Rebuild.
9031
9032 2009-06-23  Ian Lance Taylor  <iant@google.com>
9033
9034         PR 10147
9035         * object.cc (Object::section_contents): Don't try to get a view if
9036         the section has length zero.
9037         (Object::handle_gnu_warning_section): If the section is empty, use
9038         the name of the section as the warning.
9039
9040 2009-06-23  Ian Lance Taylor  <iant@google.com>
9041
9042         PR 10133
9043         * stringpool.h (class Stringpool_template): Add optimize_ field.
9044         (Stringpool_template::set_optimize): New function.
9045         * stringpool.cc (Stringpool_template::Stringpool_template):
9046         Initialize optimize_ field.
9047         (Stringpool_template::set_string_offsets): Test local optimize
9048         fild rather than parameter.
9049         * layout.cc (Layout::Layout): Call set_optimize on the section
9050         name stringpool.
9051
9052 2009-06-22  Ian Lance Taylor  <iant@google.com>
9053
9054         PR 10030
9055         * yyscript.y: Parse TARGET.
9056         * script.cc (script_set_target): New function.
9057         * script-c.h (script_set_target): Declare.
9058         * options.cc (General_options::string_to_object_format): Rename
9059         from string_to_object_format in anonymous namespace.  Change
9060         callers.
9061         * options.h (class General_options): Declare
9062         string_to_object_format.
9063
9064 2009-06-22  Ian Lance Taylor  <iant@google.com>
9065
9066         * script-sections.cc (Script_sections::create_segments): Don't put
9067         program headers in a PT_LOAD segment if -n or -N.
9068
9069 2009-06-22  Ian Lance Taylor  <iant@google.com>
9070
9071         PR 10141
9072         * options.h (class General_options): Add -z lazy and -z now.  Sort
9073         -z options into alphabetical order.
9074         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9075
9076 2009-06-21  Ian Lance Taylor  <iant@google.com>
9077
9078         * layout.cc (Layout::make_output_section): Call
9079         Target::new_output_section.
9080         (Layout::attach_allocated_section_to_segment): Put large section
9081         sections in a separate load segment with the large segment flag
9082         set.
9083         (Layout::segment_precedes): Sort large data segments after other
9084         load segments.
9085         (align_file_offset): New static function.
9086         (Layout::set_segment_offsets): Use align_file_offset.
9087         * output.h (class Output_section): Add is_small_section_ and
9088         is_large_section_ fields.
9089         (Output_section::is_small_section): New function.
9090         (Output_section::set_is_small_section):  New function.
9091         (Output_section::is_large_section): New function.
9092         (Output_section::set_is_large_section): New function.
9093         (Output_section::is_large_data_section): New function.
9094         (class Output_segment): Add is_large_data_segment_ field.
9095         (Output_segment::is_large_data_segment): New function.
9096         (Output_segment::set_is_large_data_segment): New function.
9097         * output.cc (Output_section::Output_section): Initialize new
9098         fields.
9099         (Output_segment::Output_segment): Likewise.
9100         (Output_segment::add_output_section): Add assertion that large
9101         data sections always go in large data segments.  Force small data
9102         sections to the end of the list of data sections.  Force small BSS
9103         sections to the start of the list of BSS sections.  For large BSS
9104         sections to the end of the list of BSS sections.
9105         * symtab.h (class Symbol): Declare is_common_shndx.
9106         (Symbol::is_defined): Check Symbol::is_common_shndx.
9107         (Symbol::is_common): Likewise.
9108         (class Symbol_table): Define enum Commons_section_type.  Update
9109         declarations.  Add small_commons_ and large_commons_ fields.
9110         * symtab.cc (Symbol::is_common_shndx): New function.
9111         (Symbol_table::Symbol_table): Initialize new fields.
9112         (Symbol_table::add_from_object): Put small and large common
9113         symbols in the right list.
9114         (Symbol_table::sized_finalized_symbol): Check
9115         Symbol::is_common_shndx.
9116         (Symbol_table::sized_write_globals): Likewise.
9117         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9118         common symbol lists.  Don't call do_allocate_commons_list if the
9119         list is empty.
9120         (Symbol_table::do_allocate_commons_list): Remove is_tls
9121         parameter.  Add comons_section_type parameter.  Change all
9122         callers.  Handle small and large common symbols.
9123         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9124         Symbol::is_common_shndx.
9125         * resolve.cc (symbol_to_bits): Likewise.
9126         * target.h (Target::small_common_shndx): New function.
9127         (Target::small_common_section_flags): New function.
9128         (Target::large_common_shndx): New function.
9129         (Target::large_common_section_flags): New function.
9130         (Target::new_output_section): New function.
9131         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9132         small_common_section_flags, and large_common_section_flags
9133         fields.
9134         (Target::do_new_output_section): New virtual function.
9135         * arm.cc (Target_arm::arm_info): Initialize new fields.
9136         * i386.cc (Target_i386::i386_info): Likewise.
9137         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9138         Likewise.
9139         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9140         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9141         (Target_x86_64::do_new_output_section): New function.
9142         * configure.ac: Define conditional MCMODEL_MEDIUM.
9143         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9144         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9145         (large_LDFLAGS): Define.
9146         * testsuite/large.c: New file.
9147         * testsuite/testfile.cc (Target_test::test_target_info):
9148         Initialize new fields.
9149         * configure, testsuite/Makefile.in: Rebuild.
9150
9151 2009-06-05  Doug Kwan  <dougkwan@google.com>
9152
9153         * Makefile.am (CCFILES): Add target.cc.
9154         * Makefile.in: Regenerate.
9155         * i386.cc (class Target_i386): Define new virtual method to
9156         override do_is_local_label_name in parent.
9157         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9158         local symbols if --discard-locals or -X is given.
9159         * options.h (class General_options): Declare new options
9160         '--discard-locals' and '-X' for discarding locals.
9161         * target.h (class Target): Define new methods is_local_label_name.
9162         Declare new virtual method do_is_local_label_name.
9163         * target.cc: New file.
9164         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9165         (check_SCRIPTS): Add discard_locals_test.sh.
9166         (check_DATA): Add discard_local_tests.syms.
9167         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9168         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9169         * testsuite/Makefile.in: Regenerate.
9170         * testsuite/discard_locals_test.c: New file.
9171         * testsuite/discard_locals_test.sh: Same.
9172
9173 2009-06-05  Doug Kwan  <dougkwan@google.com>
9174
9175         * object.cc (Sized_relobj::Sized_relobj): Initialize
9176         discarded_eh_frame_shndx_ to -1U.
9177         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9178         section.
9179         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9180         a discarded .eh_frame section.
9181         (Sized_relobj::do_finalize_local_symbols): Ditto.
9182         * object.h (class Sized_relobj): Declare new member
9183         discarded_eh_frame_shndx_.
9184         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9185         (local_labels_test.o, local_labels_test): New rules.
9186         * testsuite/Makefile.in: Regenerate.
9187
9188 2009-06-04  Doug Kwan  <dougkwan@google.com>
9189
9190         * layout.cc (Layout::section_name_mapping): Add mapping for
9191         special ARM sections.
9192
9193 2009-06-03  Doug Kwan  <dougkwan@google.com>
9194
9195         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9196         (utils::has_overflow): Same.
9197
9198 2009-06-03  Ian Lance Taylor  <iant@google.com>
9199
9200         * layout.cc (Layout::section_name_mapping): New array, replacing
9201         Layout::linkonce_mapping.
9202         (Layout::section_name_mapping_count): New variable, replacing
9203         Layout::linkonce_mapping_count.
9204         (Layout::linkonce_output_name): Remove.
9205         (Layout::output_section_name): Rewrite.
9206         * layout.h (class Layout): Rename Linkonce_mapping to
9207         Section_name_mapping, linkonce_mapping to section_name_mapping,
9208         linkonce_mapping_count to section_name_mapping_count.  Don't
9209         declare linkonce_output_name.
9210
9211 2009-06-03  Doug Kwan  <dougkwan@google.com>
9212
9213         * gold/arm.cc (namespace utils): New.
9214         (Target_arm::reloc_is_non_pic): Define new method.
9215         (class Arm_relocate_functions): New.
9216         (Target_arm::Relocate::relocate): Handle relocation types used by
9217         Android.
9218
9219 2009-06-03  Ian Lance Taylor  <iant@google.com>
9220
9221         * arm.cc (Target_arm::scan::global): Use || instead of |.
9222
9223 2009-06-02  Doug Kwan  <dougkwan@google.com>
9224
9225         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9226         issued_non_pic_error_.
9227         (class Target_arm::Scan): Declare new method check_non_pic.
9228         Define new method symbol_needs_plt_entry.
9229         Declare new data member issued_non_pic_error_.
9230         (class Target_arm::Relocate): Declare new method
9231         should_apply_static_reloc.
9232         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9233         (Target_arm::Scan::check_non_pic): Define new method.
9234         (Target_arm::Scan::local): Handle a small subset of reloc types used
9235         by Android.
9236         (Target_arm::Scan::local): Same.
9237         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9238
9239 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9240
9241         * incremental.cc (Incremental_inputs::report_command_line): Filter
9242         out --incremental-* options.
9243
9244 2009-05-29  Doug Kwan  <dougkwan@google.com>
9245
9246         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9247         template class.
9248         (class Target_arm): Update comment.
9249         (Target_arm::Target_arm): Initialize new data members GOT_,
9250         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9251         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9252         and Target_arm::rel_dyn_section.
9253         Declare new_enum Target_arm::Got_type.
9254         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9255         and DYNBSS_.
9256         Update commments for member do_dynsym_value.
9257         (Target_arm::got_size, Target_arm::plt_section,
9258         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9259         new methods inside class defintion.
9260         (Target_arm::got_section): Define new method.
9261         (Target_arm::rel_dyn_section): Same.
9262         (Output_data_plt_arm): New template class.
9263         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9264         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9265         (Output_data_plt_arm::add_entry): Same.
9266         (Output_data_plt_arm::first_plt_entry): Define new
9267         static data member for PLT instruction template.
9268         (Output_data_plt_arm::plt_entry): Same.
9269         (Output_data_plt_arm::do_write): Define new method.
9270         (Target_arm::make_plt_entry): Same.
9271         (Target_arm::do_finalize_sections): Same.
9272         (Target_arm::do_dynsym_value): Same.
9273
9274 2009-05-28  Doug Kwan  <dougkwan@google.com>
9275
9276         * Makefile.am (TARGETSOURCES): Add arm.cc.
9277         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9278         * Makefile.in: Regenerate.
9279         * arm.cc: New file.
9280         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9281
9282 2009-05-26  Doug Kwan  <dougkwan@google.com>
9283
9284         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9285         (General_options::check_excluded_libs): Strip off directories in
9286         archive name before matching like GNU ld does.
9287         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9288         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9289         (exclude_libs_test_LDFLAGS): Add linker option
9290         -Wl,--exclude-libs,libexclude_libs_test_3
9291         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9292         an explicit archive without using -l.
9293         (alt/libexclude_libs_test_3.a): New make rule.
9294         * testsuite/Makefile.in: Regenerate.
9295         * testsuite/exclude_libs_test.c : Declare lib3_default().
9296         (main): Call it.
9297         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9298         * exclude_libs_test_3.c: New file.
9299
9300 2009-05-26  Nick Clifton  <nickc@redhat.com>
9301
9302         * po/id.po: New Indonesian translation.
9303         * po/gold.pot: Updated template file.
9304
9305 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9306
9307         * testsuite/Makefile.am: Add -ffunction-sections to compile
9308         gc_comdat_test files.  Add -Wl,--gc-sections to build
9309         gc_comdat_test.
9310         * testsuite/Makefile.in: Regenerate.
9311         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9312
9313 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9314
9315         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9316         kept comdat section was garbage collected.
9317         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9318         * testsuite/Makefile.in: Regenerate.
9319         * testsuite/gc_comdat_test.sh: New file.
9320         * testsuite/gc_comdat_test_1.cc: New file.
9321         * testsuite/gc_comdat_test_2.cc: New file.
9322
9323 2009-05-19  Doug Kwan  <dougkwan@google.com>
9324
9325         * archive.cc (Archive::Archive): Move constructor from archive.h
9326         to here.  Initialize no_export_.
9327         (Archive::get_elf_object_for_member): Set no_export flag of object.
9328         * archive.h (Archive::Archive): Move constructor body to
9329         archive.cc.
9330         (Archive::no_export): New method.
9331         (Archive::no_export_): New field.
9332         * object.h (Object::Object): Initialize no_export_ to false.
9333         (Object::no_export, Object::set_no_export): New methods.
9334         (Object::no_export_): New field.
9335         * options.cc (General_options::parse_exclude_libs): New method.
9336         (General_options::check_excluded_libs) Same.
9337         * options.h (exclude_libs): New option.
9338         (General_options::check_excluded_libs): New method declaration.
9339         (General_options::excluded_libs_): New field.
9340         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9341         default or protected visibility if an object has no-export flag set.
9342         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9343         (check_SCRIPTS): Add exclude_libs_test.sh.
9344         (check_DATA): Add exclude_libs_test.syms.
9345         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9346         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9347         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9348         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9349         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9350         libexclude_libs_test_2.a): New rules.
9351         * testsuite/Makefile.in: Regenerate.
9352         * testsuite/exclude_libs_test.c: New file.
9353         * testsuite/exclude_libs_test.sh: Ditto.
9354         * testsuite/exclude_libs_test_1.c: Ditto.
9355         * testsuite/exclude_libs_test_2.c: Ditto.
9356
9357 2009-05-15  Ian Lance Taylor  <iant@google.com>
9358
9359         * configure.ac: Check for declarations for cases where libiberty.h
9360         checks HAVE_DECL_xxx.
9361         * configure, config.in: Rebuild.
9362
9363 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9364
9365         * gold.h (Incremental_argument_list): Remove (invalid) forward
9366         declaration.
9367         * incremental.cc (Incremental_inputs::report_achive): New method.
9368         (Incremental_inputs::report_object): New method.
9369         (Incremental_inputs::report_script): New method.
9370         (Incremental_inputs::finalize_inputs): New method.
9371         (Incremental_inputs::finalize): Call finalize_inputs().
9372         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9373         Create inputs entries.
9374         * incremental.h (Incremental_input_type): New enum.
9375         (Incremental_inputs::Incremental_input): Initialize new fields.
9376         (Incremental_inputs::report_inputs): New method.
9377         (Incremental_inputs::report_achive): New method.
9378         (Incremental_inputs::report_object): New method.
9379         (Incremental_inputs::report_script): New method.
9380         (Incremental_inputs::finalize_inputs): New method.
9381         (Incremental_inputs::Input_info): New struct.
9382         (Incremental_inputs::Input_info_map): New typedef.
9383         (Incremental_inputs::lock_): New field.
9384         (Incremental_inputs::Inputs_): New field.
9385         (Incremental_inputs::Inputs_map): New field.
9386         * main.cc (main): Call Incremental_input::report_inputs.
9387         * options.h (Input_argument_list): Typedef moved from
9388         Input_arguments.
9389         (Input_file_group::Files): Remove, use ::Input_argument_list.
9390         (Input_file_group::Input_argument_list): Remove, use
9391         ::Input_argument_list.
9392         * plugin.cc (Plugin_manager::add_input_file): Add error in
9393         incremental build.
9394         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9395         functions.
9396         * script.cc (read_input_script): Call
9397         Incremental_input::report_script.
9398         * script.h (Script_info): New class.
9399
9400 2009-04-27  Ian Lance Taylor  <iant@google.com>
9401
9402         * x86_64.cc (do_adjust_output_section): Set entsize to
9403         plt_entry_size.
9404
9405 2009-04-23  Elliott Hughes  <enh@google.com>
9406
9407         * output.cc (Output_file::close): After short writes, continue
9408         writing from the correct offset in the buffer being written.
9409
9410 2009-04-23  Chris Demetriou  <cgd@google.com>
9411
9412         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9413         * configure: Regenerate.
9414         * config.in: Regenerate.
9415         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9416         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9417
9418 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9419
9420         * incremental.cc (Incremental_inputs_header_data): Renamed from
9421         Incremental_input_header_data.
9422         (Incremental_inputs_header_data::data_size): New field.
9423         (Incremental_inputs_header_data::put_input_file_count): Renamed
9424         from input_file_count.
9425         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9426         from command_line_offset.
9427         (Incremental_inputs_header_data::put_reserved): Renamed from
9428         put_reserved.
9429         (Incremental_inputs_entry_data): Renamed from
9430         Incremental_input_entry_data.
9431         (Incremental_inputs_entry_data::data_size): New field.
9432         (Incremental_inputs::report_command_line): New method.
9433         (Incremental_inputs::finalize): New method.
9434         (Incremental_inputs::create_incremental_inputs_data): New method.
9435         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9436         * incremental.h: New file.
9437         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9438        (Layout::finalize): Create incremental inputs section in
9439         incremental builds.
9440        (Layout::create_incremental_info_sections): New method.
9441         * layout.h (Layout::incremental_inputs): New method.
9442        (Layout::create_incremental_info_sections): New method.
9443        (Layout::incremental_inputs_): New field.
9444         * main.cc (main): Notify Incremental_input of the command line.
9445
9446 2009-04-01  Ian Lance Taylor  <iant@google.com>
9447             Mikolaj Zalewski  <mikolajz@google.com>
9448
9449         * gold.h (reserve_unordered_map): Define, three versions, one for
9450         each version of Unordered_map.
9451         * layout.cc (Layout::Layout): Remove options parameter.  Add
9452         number_of_input_files parameter.  Don't initialize options_.
9453         Initialize number_of_input_files_ and resized_signatures_.  Move
9454         sections_are_attached_.
9455         (Layout::layout_group): Reserve space for group_signatures_.
9456         (Layout::find_or_add_kept_section): Change name parameter to be a
9457         reference.  Resize signatures_ map when it gets large enough.
9458         (Layout::layout_eh_frame): Use parameters->options() instead of
9459         this->options_.
9460         (Layout::make_output_section): Likewise.
9461         (Layout::attach_allocated_section_to_segment): Likewise.
9462         (Layout::finalize, Layout::create_executable_stack): Likewise.
9463         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9464         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9465         * layout.h (class Layout): Update declarations.  Remove options_
9466         field.  Add number_of_input_files_ and resized_signatures_
9467         fields.  Move sections_are_attached_ field.
9468         * main.cc (main): Pass number of input files to Layout
9469         constructor.  Don't pass options.
9470
9471 2009-03-30  Ian Lance Taylor  <iant@google.com>
9472
9473         * ffsll.c (ffsll): Correct implementation.
9474
9475 2009-03-27  Ian Lance Taylor  <iant@google.com>
9476
9477         * ffsll.c: New file.
9478         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9479         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9480         * ftruncate.c (ftruncate): Declare before definition.
9481         * mremap.c (mremap): Likewise.
9482         * pread.c (pread): Likewise.
9483         * configure, Makefile.in, config.in: Rebuild.
9484
9485         * mremap.c: New file.
9486         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9487         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9488         (mremap): Declare if HAVE_MREMAP is not defined.
9489         * configure, Makefile.in, config.in: Rebuild.
9490
9491 2009-03-27  Cary Coutant  <ccoutant@google.com>
9492
9493         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9494         position independent.
9495         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9496         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9497
9498 2009-03-24  Cary Coutant  <ccoutant@google.com>
9499
9500         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9501         an executable.
9502         (needs_dynamic_reloc): Likewise.
9503
9504 2009-03-24  Ian Lance Taylor  <iant@google.com>
9505
9506         * yyscript.y (file_cmd): Recognize EXTERN.
9507         (extern_name_list, extern_name_list_body): New nonterminals.
9508         * script.cc (script_add_extern): Define.
9509         * script-c.h (script_add_extern): Declare.
9510
9511 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9512
9513         * object.cc (is_elf_object): Define.
9514         * object.h (is_elf_object): Declare.
9515         * archive.cc (Archive::get_elf_object_for_member): Call
9516         is_elf_object.
9517         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9518
9519 2009-03-24  Elliott Hughes  <enh@google.com>
9520
9521         * output.cc (Output_file::map_anonymous): Define.
9522         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9523         try an anonymous one.  Report the size if the mmap fails.
9524         * output.h (class Output_file): Declare map_anonymous.
9525
9526 2009-03-24  Ian Lance Taylor  <iant@google.com>
9527
9528         * target-select.cc (instantiate_target): Don't acquire the lock if
9529         the instantiated_target_ field has already been set.
9530
9531 2009-03-23  Ian Lance Taylor  <iant@google.com>
9532
9533         * gold-threads.h (class Initialize_lock): Define.
9534         * gold-threads.cc (class Initialize_lock_once): Define.
9535         (initialize_lock_control): New static variable.
9536         (initialize_lock_pointer): New static variable.
9537         (initialize_lock_once): New static function.
9538         (Initialize_lock::Initialize_lock): Define.
9539         (Initialize_lock::initialize): Define.
9540         * target-select.h: Include "gold-threads.h".
9541         (class Target_selector): Add lock_ and initialize_lock_ fields.
9542         Don't define instantiate_target, just declare it.
9543         * target-select.cc (Target_selector::Target_selector): Initialize
9544         new fields.
9545         (Target_selector::instantiate_target): Define.
9546         * descriptors.h: Include "gold-threads.h".
9547         (class Descriptors): Add initialize_lock_ field.
9548         * descriptors.cc (Descriptors::Descriptors): Initialize new
9549         field.
9550         (Descriptors::open): Use initialize_lock_ field
9551         * errors.h (class Errors): Add initialize_lock_ field.
9552         * errors.cc (Errors::Errors): Initialize new field.
9553         (Errors::initialize_lock): Use initialize_lock_ field.
9554         * powerpc.cc (class Target_selector_powerpc): Remove
9555         instantiated_target_ field.  In do_recognize call
9556         instantiate_target rather than do_instantiate_target.  In
9557         do_instantiate_target just allocate a new target.
9558         * sparc.cc (class Target_selector_sparc): Likewise.
9559
9560         * freebsd.h: New file.
9561         * i386.cc: Include "freebsd.h".
9562         (Target_i386): Derive from Target_freebsd rather than
9563         Sized_target.
9564         (Target_selector_i386): Derive from Target_selector_freebsd rather
9565         than Target_selector.
9566         * x86_64.cc: Include "freebsd.h".
9567         (Target_x86_64): Derive from Target_freebsd rather than
9568         Sized_target.
9569         (Target_selector_x86_64): Derive from Target_selector_freebsd
9570         rather than Target_selector.
9571         * target.h (class Target): Add adjust_elf_header and
9572         do_adjust_elf_header.
9573         * output.cc (Output_file_header:: do_sized_write): Call target
9574         adjust_elf_header routine.
9575         * configure.tgt: Set targ_osabi.
9576         * configure.ac: Define GOLD_DEFAULT_OSABI.
9577         * parameters.cc (Parameters::default_target): Pass
9578         GOLD_DEFAULT_OSABI to select_target.
9579         * target-select.h (class Target_selector): Make instantiate_target
9580         protected rather than private.
9581         * Makefile.am (HFILES): Add freebsd.h.
9582         * configure, Makefile.in, config.in: Rebuild.
9583
9584         * merge.cc (do_add_input_section): Correct pend value.  Change
9585         message about last entry not being null terminated from error to
9586         warning.
9587
9588 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9589
9590         * incremental.cc: New file.
9591         * Makefile.am (CCFILES): Add incremental.cc.
9592         * Makefile.in: Rebuild.
9593
9594 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9595
9596         * layout.cc (Layout::output_section_name): Preserve names
9597         of '.note.' sections.
9598
9599 2009-03-19  Ian Lance Taylor  <iant@google.com>
9600
9601         * descriptors.cc (Descriptors::open): Check that the options are
9602         valid before using them.
9603
9604 2009-03-18  Ian Lance Taylor  <iant@google.com>
9605
9606         * script-sections.h: Include <list>.
9607         (class Script_sections): Change Sections_elements from std::vector
9608         to std::list.  Typedef public Elements_iterator.  Add
9609         orphan_section_placement_, data_segment_align_start_, and
9610         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9611         field.
9612         * script-sections.cc (class Orphan_section_placement): New class.
9613         (class Sections_element): Add virtual functions is_relro and
9614         orphan_section_init.  Remove virtual function place_orphan_here.
9615         (class Output_section_definition): Add is_relro and
9616         orphan_section_init.  Remove place_orphan_here.
9617         (class Orphan_output_section): Likewise.
9618         (Script_sections::Script_sections): Update for field changes.
9619         (Script_sections::data_segment_align): Set saw_data_segment_align_
9620         and data_segment_align_start_, not data_segment_align_index.
9621         (Script_sections::data_segment_relro_end): Check
9622         saw_data_segment_align_.  Use data_segment_align_start_ rather
9623         than data_segment_align_index_.
9624         (Script_sections::place_orphan): Rewrite to use
9625         Orphan_section_placement.
9626
9627 2009-03-17  Ian Lance Taylor  <iant@google.com>
9628
9629         * archive.cc (Archive::add_symbols): Check for a version attached
9630         to the symbol name in the archive map.
9631         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9632         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9633         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9634         (ver_test_11.a): New target.
9635         * testsuite/Makefile.in: Rebuild.
9636
9637         * configure.ac: Check for chsize and posix_fallocate.  Replace
9638         ftruncate.
9639         * ftruncate.c: New file, from gnulib.
9640         * output.cc (posix_fallocate): Define dummy version if not
9641         HAVE_POSIX_FALLOCATE.
9642         (Output_file::map): Call posix_fallocate rather than lseek and
9643         write.
9644         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9645         * configure, Makefile.in, config.in: Rebuild.
9646
9647 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9648
9649         * layout.h (Layout::create_note): Add section_name parameter.
9650         * layout.cc (Layout::create_note): Likewise.
9651         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9652
9653 2009-03-17  Ian Lance Taylor  <iant@google.com>
9654
9655         * descriptors.cc: Include "options.h".
9656         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9657         (Descriptors::open): Always use O_CLOEXEC when opening a new
9658         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9659         then set FD_CLOEXEC.
9660
9661         * sparc.cc (class Target_sparc): Add has_got_section.
9662         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9663         make sure we have a GOT section.
9664
9665         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9666         (Target_sparc::Scan::local): Likewise.
9667         (Target_sparc::Scan::global): Likewise.
9668         (Target_sparc::Relocate::relocate): Likewise.
9669         (Target_sparc::Relocate::relocate_tls): Likewise.
9670
9671         * symtab.cc (Symbol_table::define_default_version): New function,
9672         broken out of add_from_object.
9673         (Symbol_table::add_from_object): Call define_default_version.
9674         (Symbol_table::define_special_symbol): Add resolve_oldsym
9675         parameter.  Change all callers.  If the version for a symbol comes
9676         from a version script, resolve it with the symbol with the same
9677         name with no version.  Also add the symbol without a version if
9678         appropriate.
9679         (do_define_in_output_data): If resolving with oldsym, don't delete
9680         sym.
9681         (do_define_in_output_segment): Likewise.
9682         (do_define_as_constant): Likewise.
9683         * symtab.h (class Symbol_table): Update declarations.
9684
9685 2009-03-13  Ian Lance Taylor  <iant@google.com>
9686
9687         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9688         (Read_symbols::requeue): New function.
9689         (Read_symbols::do_read_symbols): If make_elf_object fails because
9690         the target type is not configured, and the file was searched for,
9691         issue a warning and retry with the next directory.
9692         (Add_symbols::run): If the file has an incompatible format, and
9693         it was searched for, requeue the Read_symbols task.  On error,
9694         release the object.
9695         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9696         dirindex parameter to constructor.  Change all callers.  Declare
9697         incompatible_warning and requeue.
9698         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9699         input_argument_ and input_group_ fields.  Add them to
9700         constructor.  Change all callers.
9701         (class Read_script): Add dirindex_ field.  Add it to constructor.
9702         Change all callers.
9703         * archive.cc (Archive::setup): Remove input_objects parameter.
9704         Change all callers.
9705         (Archive::get_file_and_offset): Likewise.
9706         (Archive::read_all_symbols): Likewise.
9707         (Archive::read_symbols): Likewise.
9708         (Archive::get_elf_object_for_member): Remove input_objects
9709         parameter.  Add punconfigured parameter.  Change all callers.
9710         (Archive::add_symbols): Change return type to bool.  Check return
9711         value of include_member.
9712         (Archive::include_all_members): Likewise.
9713         (Archive::include_member): Change return type to bool.  Return
9714         false if first included object has incompatible target.  Set
9715         included_member_ field.
9716         (Add_archive_symbols::run): If add_symbols returns false, requeue
9717         Read_symbols task.
9718         * archive.h (class Archive): Add included_member_ field.
9719         Initialize it in constructor.  Add input_file and searched_for
9720         methods.  Update declarations.
9721         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9722         input_argument_ fields.  Add them to constructor.  Change all
9723         callers.
9724         * script.cc: Include "target-select.h".
9725         (class Parser_closure): Add skip_on_incompatible_target_ and
9726         found_incompatible_target_ fields.  Add
9727         skip_on_incompatible_target parameter to constructor.  Change all
9728         callers.  Add methods skip_on_incompatible_target,
9729         clear_skip_on_incompatible_target, found_incompatible_target, and
9730         set_found_incompatible_target.
9731         (read_input_script): Add dirindex parameter.  Change all callers.
9732         If parser finds an incompatible target, requeue Read_symbols
9733         task.
9734         (script_set_symbol): Clear skip_on_incompatible_target in
9735         closure.
9736         (script_add_assertion, script_parse_option): Likewise.
9737         (script_start_sections, script_add_phdr): Likewise.
9738         (script_check_output_format): New function.
9739         * script.h (read_input_script): Update declaration.
9740         * script-c.h (script_check_output_format): Declare.
9741         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9742         (ignore_cmd): Remove OUTPUT_FORMAT.
9743         * fileread.cc (Input_file::Input_file): Add explicit this.
9744         (Input_file::will_search_for): New function.
9745         (Input_file::open): Add pindex parameter.  Change all callers.
9746         * fileread.h (class Input_file): Add input_file_argument method.
9747         Declare will_search_for.  Update declarations.
9748         * object.cc (make_elf_object): Add punconfigured parameter.
9749         Change all callers.
9750         * object.h (class Object): Make input_file public.  Add
9751         searched_for method.
9752         (make_elf_object): Update declaration.
9753         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9754         restart search.
9755         * dirsearch.h (class Dirsearch): Update declaration.
9756         * options.h (class General_options): Add --warn-search-mismatch.
9757         * parameters.cc (Parameters::is_compatible_target): New function.
9758         * parameters.h (class Parameters): Declare is_compatible_target.
9759         * workqueue.cc (Workqueue::add_blocker): New function.
9760         * workqueue.h (class Workqueue): Declare add_blocker.
9761
9762         * fileread.cc (Input_file::open): Remove options parameter.
9763         Change all callers.
9764         (Input_file::open_binary): Likewise.
9765         * script.cc (read_input_script): Likewise.
9766         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9767         options parameter from constructor.  Change all callers.
9768         (class Read_script): Likewise.
9769         * fileread.h (class Input_file): Update declarations.
9770         * script.h (read_input_script): Update declaration.
9771
9772 2009-03-10  Nick Clifton  <nickc@redhat.com>
9773
9774         * po/es.po: New Spanish translation.
9775
9776 2009-03-06  Cary Coutant  <ccoutant@google.com>
9777
9778         * options.cc (parse_short_option): Keep dash_z from registering itself.
9779
9780 2009-03-03  Ian Lance Taylor  <iant@google.com>
9781
9782         PR 9918
9783         * target-reloc.h (relocate_section): Pass output_section to
9784         relocate.
9785         * i386.cc (Target_i386::should_apply_static_reloc): Add
9786         output_section parameter.  Change all callers.
9787         (Target_i386::Relocate::relocate): Add output_section parameter.
9788         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9789         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9790         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9791         * testsuite/two_file_shared.sh: New script.
9792         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9793         (check_DATA): Add two_file_shared.dbg.
9794         (two_file_shared.dbg): New target.
9795         * testsuite/Makefile.in: Rebuild.
9796
9797 2009-03-01  Ian Lance Taylor  <iant@google.com>
9798
9799         * configure.ac: Check for byteswap.h.
9800         * configure: Rebuild.
9801         * config.in: Rebuild.
9802
9803 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9804
9805         * layout.cc (Layout::find_or_add_kept_section): New function.
9806         (Layout::add_comdat): Removed.
9807         * layout.h (struct Kept_section): Move out of class Layout.
9808         Remove trailing underscores from field names.  Add group_sections
9809         field.  Rename group_ field to is_group.  Change all uses.
9810         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9811         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9812         comdat_groups_ field.
9813         (Sized_relobj::include_section_group): Use
9814         find_or_add_kept_section and Kept_section::group_sections.
9815         (Sized_relobj::include_linkonce_section): Likewise.
9816         * object.cc (class Sized_relobj): Don't define Comdat_group or
9817         Comdat_group_table.  Remove find_comdat_group and
9818         add_comdat_group.  Remove comdat_groups_ field.
9819         * plugin.cc (include_comdat_group): Use
9820         Layout::find_or_add_kept_section.
9821
9822 2009-02-28  Ian Lance Taylor  <iant@google.com>
9823
9824         * README: --gc-sections and map files are now supported.  Document
9825         some build requirements.
9826
9827         PR 6992
9828         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9829         relocatable link set the value of the section symbol to zero.
9830         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9831         relocatable link don't include the section address in the local
9832         symbol value.
9833
9834 2009-02-27  Ian Lance Taylor  <iant@google.com>
9835
9836         PR 6811
9837         * options.h (class Search_directory): Add is_system_directory.
9838         (class General_options): Declare is_in_system_directory.
9839         * options.cc (get_relative_sysroot): Make static.
9840         (get_default_sysroot): Make static.
9841         (General_optoins::is_in_system_directory): New function.
9842         * fileread.cc (Input_file::is_in_system_directory): New function.
9843         * fileread.h (class Input_file): Declare is_in_system_directory.
9844         * object.h (class Object): Add is_in_system_directory.
9845         (class Input_objects): Remove system_library_directory_ field.
9846         * object.cc (Input_objects::add_object): Don't set
9847         system_library_directory_.
9848         (input_objects::found_in_system_library_directory): Remove.
9849         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9850         parameter.  Change all callers.
9851         (Symbol_table::sized_write_globals): Likewise.
9852         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9853         Call Object::is_in_system_directory.
9854         * symtab.h (class Symbol_table): Update declarations.
9855
9856         PR 5990
9857         * descriptors.h (Open_descriptor): Add is_on_stack field.
9858         * descriptors.cc (Descriptors::open): If the descriptor is on the
9859         top of the stack, remove it.  Initialize is_on_stack field.
9860         (Descriptors::release): Only add pod to stack if it is not on the
9861         stack already.
9862         (Descriptors::close_some_descriptor): Clear stack_next and
9863         is_on_stack fields.
9864
9865         PR 7091
9866         * output.cc (Output_section::find_starting_output_address): Rename
9867         from starting_output_address; add PADDR parameter; change return
9868         type.
9869         * output.h (class Output_section): Declare
9870         find_starting_output_address instead of starting_output_address.
9871         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9872         section symbol for which we can't find a merge section.
9873
9874         PR 9836
9875         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9876         hidden or internal, force the symbol to be local.
9877         * resolve.cc (Symbol::override_visibility): Define.
9878         (Symbol::override_base): Use override_visibility.
9879         (Symbol_table::resolve): Likewise.
9880         (Symbol::override_base_with_special): Likewise.
9881         (Symbol_table::override_with_special): If the visibility is hidden
9882         or internal, force the symbol to be local.
9883         * symtab.h (class Symbol): Add set_visibility and
9884         override_visibility.
9885         * testsuite/ver_test_1.sh: New file.
9886         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9887         (check_DATA): Add ver_test_1.syms.
9888         (ver_test_1.syms): New target.
9889         * testsuite/Makefile.in: Rebuild.
9890
9891 2009-02-25  Cary Coutant  <ccoutant@google.com>
9892
9893         * layout.cc (Layout::choose_output_section): Don't rename sections
9894         when using a linker script that has a SECTIONS clause.
9895         * Makefile.in: Regenerate.
9896
9897         * testsuite/Makefile.am (script_test_5.sh): New test case.
9898         * testsuite/Makefile.in: Regenerate.
9899         * testsuite/script_test_5.cc: New file.
9900         * testsuite/script_test_5.sh: New file.
9901         * testsuite/script_test_5.t: New file.
9902
9903 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9904
9905         * archive.cc (Archive::include_member): Update calls to add_symbols.
9906         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9907         the Layout argument.
9908         * dynobj.h (do_add_symbols): Add the Layout argument.
9909         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9910         Layout argument.
9911         * object.h (Object::add_symbols): Add the Layout argument.
9912         (Object::do_add_symbols): Add the Layout argument.
9913         (Sized_relobj::do_add_symbols): Add the Layout argument.
9914         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9915         Unify the two versions.
9916         (Add_plugin_symbols): Remove.
9917         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9918         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9919         (Add_plugin_symbols): Remove.
9920         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9921         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9922         (Add_symbols::run): Make it work with Pulginobj.
9923
9924 2009-02-06  Ian Lance Taylor  <iant@google.com>
9925
9926         * object.cc (Sized_relobj::do_layout): Make info message start
9927         with lower case letter.
9928
9929 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9930
9931         * binary.cc: Fix file comment.
9932
9933         * options.h (enum Incremental_disposition): Define.
9934         (class General_options): Add new options: --incremental,
9935         --incremental_changed, --incremental_unchanged,
9936         --incremental_unknown.  Add incremental_disposition_ and
9937         implicit_incremental_ fields.
9938         (General_options::incremental_disposition): New function.
9939         (class Position_dependent_options): Add incremental_disposition
9940         option.
9941         (Position_dependent_options::copy_from_options): Set incremental
9942         dispositions.
9943         * options.cc (General_options::parse_incremental_changed): New
9944         function.
9945         (General_options::parse_incremental_unchanged): New function.
9946         (General_options::parse_incremental_unknown): New function.
9947         (General_options::General_options): Initialize new fields
9948         incremental_disposition_ and implicit_incremental_.
9949         (General_options::finalize): Check for uasge of --incremental-*
9950         without --incremental.
9951
9952 2009-02-06  Chris Demetriou  <cgd@google.com>
9953
9954         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9955         pointer and to report location as the file name associated with
9956         the symbol.
9957         (gold_undefined_symbol_at_location): New function to replace the
9958         old gold_undefined_symbol functionality.
9959         * target-reloc.h (relocate_section): Update to use
9960         gold_undefined_symbol_at_location.
9961         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9962         Call gold_undefined_symbol function rather than gold_error.
9963         * errors.h (Errors::undefined_symbol): Take location as a
9964         string, rather than calculating it from a relocation.
9965         * errors.cc (Errors::fatal): Print "fatal error:" before the
9966         formatted message.
9967         (Errors::error, Errors::error_at_location): Print "error: "
9968         before the formatted message.
9969         (Errors::undefined_symbol): Take location as a string, rather
9970         than calculating it from a relocation.
9971         (gold_undefined_symbol_at_location): New function akin to
9972         old gold_undefined_symbol, calculates location from relocation.
9973         (gold_undefined_symbol): Change to take only a Symbol pointer
9974         and to report location as the file name associated with the symbol.
9975         * testsuite/debug_msg.sh: Update for changed error messages.
9976         * testsuite/undef_symbol.sh: Likewise.
9977
9978 2009-02-04  Duncan Sands  <baldrick@free.fr>
9979
9980         PR 9812
9981         * reduced_debug_output.h
9982         (Output_reduced_debug_abbrev_section::failed): Use format for
9983         gold_warning.
9984         (Output_reduced_debug_info_section::faild): Likewise.
9985
9986 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9987
9988         * script.cc (Lazy_demangler): New class.
9989         (Version_script_info::get_symbol_version_helper): Demangle a
9990         symbol only once.
9991
9992 2009-01-29  Cary Coutant  <ccoutant@google.com>
9993
9994         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9995         to __tls_get_addr.
9996         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9997
9998 2009-01-28  Ian Lance Taylor  <iant@google.com>
9999
10000         * version.cc (version_string): Bump to 1.9.
10001
10002         * gold.h: Include <cstring> and <stdint.h>.
10003         * version.cc: Include <cstdio>.
10004         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10005         warning.
10006         * reduced_debug_output.cc (insert_into_vector): Rename from
10007         Insert_into_vector; change all callers.  Use Swap_unaligned to
10008         avoid aliasing issue; remove union since it is unnecessary.
10009
10010 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10011
10012         * Makefile.am (CCFILES): Add gc.cc.
10013         (HFILES): Add gc.h.
10014         * Makefile.in: Regenerate.
10015         * gold.cc (Gc_runner): New class.
10016         (queue_initial_tasks): Call garbage collection related tasks
10017         when corresponding options are invoked.
10018         (queue_middle_gc_tasks): New function.
10019         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10020         processed early before laying out sections during garbage collection.
10021         * gold.h (queue_middle_gc_tasks): New function.
10022         (is_prefix_of): Move from "layout.cc".
10023         * i386.cc (Target_i386::gc_process_relocs): New function.
10024         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10025         * main.cc (main): Create object of class "Garbage_collection".
10026         * object.cc (Relobj::copy_symbols_data): New function.
10027         (Relobj::is_section_name_included): New function.
10028         (Sized_relobj::do_layout): Allow this function to be called twice
10029         during garbage collection and defer layout of section during the
10030         first call.
10031         * object.h (Relobj::get_symbols_data): New function.
10032         (Relobj::is_section_name_included): New function.
10033         (Relobj::copy_symbols_data): New function.
10034         (Relobj::set_symbols_data): New function.
10035         (Relobj::get_relocs_data): New function.
10036         (Relobj::set_relocs_data): New function.
10037         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10038         (Relobj::gc_process_relocs): New function.
10039         (Relobj::do_gc_process_relocs): New pure virtual function.
10040         (Relobj::sd_): New data member.
10041         (Sized_relobj::is_output_section_offset_invalid): New function.
10042         (Sized_relobj::do_gc_process_relocs): New function.
10043         * options.h (General_options::gc_sections): Modify to not be a no-op.
10044         (General_options::print_gc_sections): New option.
10045         * plugin.cc (Plugin_finish::run): Remove function call to
10046         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10047         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10048         * reloc.cc (Read_relocs::run): Add task to process relocs and
10049         determine unreferenced sections when doing garbage collection.
10050         (Gc_process_relocs): New class.
10051         (Sized_relobj::do_gc_process_relocs): New function.
10052         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10053         sections that are garbage collected.
10054         * reloc.h (Gc_process_relocs): New class.
10055         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10056         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10057         symbols whose corresponding sections are garbage collected.
10058         (Symbol_table::Symbol_table): Add new parameter for the garbage
10059         collection object.
10060         (Symbol_table::gc_mark_undef_symbols): New function.
10061         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10062         (Symbol_table::gc_mark_dyn_syms): New function.
10063         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10064         as garbage.
10065         (Symbol_table::add_from_object): Likewise.
10066         (Symbol_table::add_from_relobj): When building shared objects, do not
10067         treat externally visible symbols as garbage.
10068         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10069         table information for static and relocatable links.
10070         * symtab.h (Symbol_table::set_gc): New function.
10071         (Symbol_table::gc): New function.
10072         (Symbol_table::gc_mark_undef_symbols): New function.
10073         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10074         (Symbol_table::gc_mark_dyn_syms): New function.
10075         (Symbol_table::gc_): New data member.
10076         * target.h (Sized_target::gc_process_relocs): New pure virtual
10077         function.
10078         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10079         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10080
10081 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10082
10083         * options.h (General_options::gc_sections): Define as a no-op for now.
10084         (General_options::no_keep_memory): Ditto.
10085         (General_options::Bshareable): Define.
10086         * options.cc (General_options::finalize): Honor -Bshareable.
10087
10088 2009-01-20  Andreas Schwab  <schwab@suse.de>
10089
10090         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10091         read the value in the contents, since we don't use it.  Use the
10092         template endianness when writing.
10093         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10094
10095 2009-01-19  Andreas Schwab  <schwab@suse.de>
10096
10097         * configure.tgt (powerpc64-*): Fix targ_obj.
10098
10099 2009-01-15  Ian Lance Taylor  <iant@google.com>
10100
10101         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10102         local symbols when stripping all symbols.
10103
10104 2009-01-14  Cary Coutant  <ccoutant@google.com>
10105
10106         * output.cc (Output_reloc): Add explicit instantiations.
10107
10108 2009-01-14  Cary Coutant  <ccoutant@google.com>
10109
10110         * archive.cc (Archive::get_elf_object_for_member): Remove call
10111         to File_read::claim_for_plugin.
10112         * descriptors.cc (Descriptors::open): Remove reference to
10113         is_claimed.
10114         (Descriptors::claim_for_plugin): Remove.
10115         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10116         (Descriptors::is_claimed): Remove.
10117         (claim_descriptor_for_plugin): Remove.
10118         * fileread.cc (File_read::claim_for_plugin): Remove.
10119         * fileread.h (File_read::claim_for_plugin): Remove.
10120         (File_read::descriptor): Reopen descriptor if necessary.
10121         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10122         (Plugin_manager::all_symbols_read): Add task parameter. Change
10123         all callers.
10124         (Plugin_manager::get_input_file): New function.
10125         (Plugin_manager::release_input_file): New function.
10126         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10127         corresponding data member.
10128         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10129         and pass to base constructor. Change all callers.
10130         (get_input_file, release_input_file): New functions.
10131         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10132         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10133         (Plugin_manager::all_symbols_read): Add task parameter.
10134         (Plugin_manager::get_input_file): New function.
10135         (Plugin_manager::release_input_file): New function.
10136         (Plugin_manager::task_): New data member.
10137         (Pluginobj::Pluginobj): Add filesize parameter.
10138         (Pluginobj::filename): New function.
10139         (Pluginobj::descriptor): New function.
10140         (Pluginobj::filesize): New function.
10141         (Pluginobj::filesize_): New data member.
10142         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10143         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10144         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10145
10146         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10147         with archive libraries.
10148         * testsuite/Makefile.in: Regenerate.
10149         * testsuite/plugin_test.c (struct sym_info): New type.
10150         (get_input_file, release_input_file): New static variables.
10151         (onload): Capture new transfer vector entries.
10152         (claim_file_hook): Stop reading at end of file according to filesize.
10153         Factor out parsing of readelf output into separate function.
10154         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10155         APIs and get the source file name from the symbol table.  Convert
10156         source file name to corresponding object file name.  Print info
10157         message when adding new input files.
10158         (parse_readelf_line): New function.
10159         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10160         * testsuite/plugin_test_2.sh: Likewise.
10161         * testsuite/plugin_test_3.sh: Likewise.
10162         * testsuite/plugin_test_4.sh: New test case.
10163
10164 2009-01-07  Ian Lance Taylor  <iant@google.com>
10165
10166         * version.cc (version_string): Bump to 1.8.
10167
10168 2008-12-23  Cary Coutant  <ccoutant@google.com>
10169
10170         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10171         * plugin.cc (Plugin_manager::finish): Rename as
10172         layout_deferred_objects.  Move cleanup to separate function.
10173         (Plugin_manager::cleanup): New function.
10174         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10175         separately.
10176         * plugin.h (Plugin_manager::finish): Rename as
10177         layout_deferred_objects.
10178         (Plugin_manager::cleanup): New function.
10179         (Plugin_manager::cleanup_done): New field.
10180
10181 2008-12-23  Cary Coutant  <ccoutant@google.com>
10182
10183         * plugin.cc (is_visible_from_outside): New function.
10184         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10185         so we don't return "IR only" status for exported symbols or -r links.
10186
10187         * testsuite/Makefile.am (plugin_test_3): New test case.
10188         * testsuite/Makefile.in: Regenerate.
10189         * testsuite/plugin_test_3.sh: New file.
10190
10191 2008-12-22  Cary Coutant  <ccoutant@google.com>
10192
10193         * object.cc (Sized_relobj::layout_section): New function.
10194         (Sized_relobj::do_layout): Defer layout of input sections until after
10195         plugin has provided replacement files.
10196         (Sized_relobj::do_layout_deferred_sections): New function.
10197         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10198         (Relobj::layout_deferred_sections): New function.
10199         (Relobj::do_layout_deferred_sections): New function.
10200         (Sized_relobj::do_layout_deferred_sections): New function.
10201         (Sized_relobj::layout_section): New function.
10202         (Sized_relobj::Deferred_layout): New structure.
10203         (Sized_relobj::deferred_layout_): New field.
10204         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10205         Change all callers.  Layout deferred sections.
10206         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10207         references.
10208         (Plugin_hook::run): Move code from do_plugin_hook inline.
10209         (Plugin_hook::do_plugin_hook): Remove.
10210         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10211         (Plugin_manager::finish): Renamed, was cleanup.
10212         (Plugin_manager::should_defer_layout): New function.
10213         (Plugin_manager::add_deferred_layout_object): New function.
10214         (Plugin_manager::Deferred_layout_list): New type.
10215         (Plugin_manager::deferred_layout_objects_): New field.
10216         (Plugin_hook::do_plugin_hook): Remove.
10217
10218 2008-12-17  Ian Lance Taylor  <iant@google.com>
10219
10220         * options.h (class General_options): Add --no case for
10221         --export-dynamic.
10222
10223 2008-12-16  Cary Coutant  <ccoutant@google.com>
10224
10225         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10226         vector.
10227         (Plugin_manager::claim_file): Create plugin object even if
10228         plugin did not call the add_symbols callback.
10229         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10230         asking for more symbols than were added.
10231         * testsuite/Makefile.am (plugin_test_1): Add test case with
10232         no global symbols.
10233         (empty.syms): New target.
10234         * testsuite/Makefile.in: Regenerate.
10235         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10236         message. Don't call add_symbols if no globals.
10237         (all_symbols_read_hook): Don't provide replacement for empty
10238         claimed file.
10239
10240 2008-12-12  Ian Lance Taylor  <iant@google.com>
10241
10242         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10243         r_type == 0 for a local symbol with r_sym == 0.
10244         (scan_relocatable_relocs): Pass r_sym to
10245         local_non_section_strategy.
10246         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10247         r_sym parameter.
10248
10249         * configure.ac: Update test for TLS descriptors: they are
10250         supported as of glibc 2.9.
10251         * configure: Rebuild.
10252
10253 2008-12-11  Ian Lance Taylor  <iant@google.com>
10254
10255         PR 7091
10256         * target-reloc.h (Default_scan_relocatable_relocs): For each
10257         function, map r_type == 0 to RELOC_DISCARD.
10258
10259 2008-12-10  Cary Coutant  <ccoutant@google.com>
10260
10261         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10262         object to override a kept COMDAT group from a plugin object.
10263
10264 2008-12-09  Ian Lance Taylor  <iant@google.com>
10265
10266         PR 7088
10267         * yyscript.y (file_cmd): Handle INPUT.
10268
10269         * testsuite/initpri1.c: Change all declarations to be full
10270         prototypes by adding void, to avoid compiler warnings.
10271
10272 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10273
10274         * options.cc (General_options::parse_plugin_opt): New.
10275         (General_options::add_plugin): The argument now is just the filename.
10276         (General_options::add_plugin_option): New.
10277         * options.h (plugin_opt): New.
10278         (add_plugin): Change argument name.
10279         (add_plugin_option): New.
10280         * plugin.cc (Plugin::load): Don't parse the plugin option.
10281         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10282         (Plugin::add_option): New.
10283         (Plugin::args_): Change type.
10284         (Plugin::filename_): New.
10285         (Plugin_manager::add_plugin_option): New.
10286         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10287         * testsuite/Makefile.in: Regenerate.
10288
10289 2008-12-05  Cary Coutant  <ccoutant@google.com>
10290
10291         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10292         Handle --strip-lto-sections option.
10293         * options.h (strip_lto_sections): New option.
10294
10295 2008-12-01  Cary Coutant  <ccoutant@google.com>
10296
10297         * plugin.cc (ld_plugin_message): Change format parameter to const.
10298         Fix mismatch between new[] and delete.
10299
10300 2008-11-14  Cary Coutant  <ccoutant@google.com>
10301
10302         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10303         instead of -1U.
10304
10305 2008-11-05  Craig Silverstein  <csilvers@google.com>
10306
10307         * options.cc (General_options::parse_dynamic_list): New function.
10308         * options.h (General_options): New flags dynamic_list,
10309         dynamic_list_data, dynamic_list_cpp_new, and
10310         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10311         (General_options::in_dynamic_list): New function.
10312         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10313         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10314         (Lex::can_continue_name): Likewise.
10315         (yylex): Likewise.
10316         (read_script_file): New parameter script_options.
10317         (read_dynamic_list): New function.
10318         (Script_options::define_dynamic_list): New function.
10319         (dynamic_list_keyword_parsecodes): New variable.
10320         (dynamic_list_keywords): New variable.
10321         * script.h (Script_options::define_dynamic_list): New function
10322         prototype.
10323         (read_dynamic_list): New function prototype.
10324         * symtab.cc (strprefix): New macro.
10325         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10326         dynamic_list_data, dynamic_list_cpp_new, and
10327         dynamic_list_cpp_typeinfo.
10328         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10329         (dynamic_list_expr): New rule.
10330         (dynamic_list_nodes): Likewise.
10331         (dynamic_list_node): Likewise.
10332         * testsuite/Makefile.am (dynamic_list): New test.
10333         * testsuite/Makefile.in: Regenerated.
10334         * testsuite/dynamic_list.t: New file.
10335         * testsuite/dynamic_list.sh: New file.
10336
10337 2008-11-05  Craig Silverstein  <csilvers@google.com>
10338
10339         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10340         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10341         (t11_last): Likewise.
10342         * testsuite/ver_test_6.c (main): Likewise.
10343
10344 2008-10-07  Cary Coutant  <ccoutant@google.com>
10345
10346         * options.c (General_options::finalize): Add check for -static and
10347         -shared.
10348         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10349         is not empty.
10350
10351 2008-10-02  Cary Coutant  <ccoutant@google.com>
10352
10353         * plugin.cc (make_sized_plugin_object): Fix conditional
10354         compilation to work when not all targets are enabled.
10355
10356 2008-09-29  Cary Coutant  <ccoutant@google.com>
10357
10358         * archive.cc (Archive::get_file_and_offset): Use filename instead
10359         of name to get library path.
10360         (Archive::include_member): Unlock external member of a thin archive.
10361
10362         * testsuite/Makefile.am (TEST_AR): New variable.
10363         (thin_archive_test_1): New test.
10364         (thin_archive_test_2): New test.
10365         * testsuite/Makefile.in: Regenerate.
10366         * testsuite/thin_archive_main.cc: New file.
10367         * testsuite/thin_archive_test_1.cc: New file.
10368         * testsuite/thin_archive_test_2.cc: New file.
10369         * testsuite/thin_archive_test_3.cc: New file.
10370         * testsuite/thin_archive_test_4.cc: New file.
10371
10372 2008-09-29  Cary Coutant  <ccoutant@google.com>
10373
10374         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10375         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10376         instead of -1U.
10377         (Sized_relobj::do_finalize_local_symbols): Likewise.
10378         (Sized_relobj::map_to_kept_section): Likewise.
10379         * object.h (Sized_relobj::invalid_address): New constant.
10380         (Sized_relobj::do_output_section_offset): Check for invalid_address
10381         and return -1ULL.
10382         * output.cc (Output_reloc::local_section_offset): Use constant
10383         invalid_address instead of -1U.
10384         (Output_reloc::get_address): Likewise.
10385         (Output_section::output_address): Change -1U to -1ULL.
10386         * output.h (Output_reloc::invalid_address): New constant.
10387         * reloc.cc (Sized_relobj::write_sections): Use constant
10388         invalid_address instead of -1U.
10389         (Sized_relobj::relocate_sections): Likewise.
10390         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10391         values for merge sections.
10392         * target-reloc.h (relocate_for_relocatable): Use constant
10393         invalid_address instead of -1U.
10394
10395 2008-09-19  Cary Coutant  <ccoutant@google.com>
10396
10397         Add plugin functionality for link-time optimization (LTO).
10398         * configure.ac (plugins): Add --enable-plugins option.
10399         * configure: Regenerate.
10400         * config.in: Regenerate.
10401         * Makefile.am (LIBDL): New variable.
10402         (CCFILES): Add plugin.cc.
10403         (HFILES): Add plugin.h.
10404         (ldadd_var): Add LIBDL.
10405         * Makefile.in: Regenerate.
10406
10407         * archive.cc: Include "plugin.h".
10408         (Archive::setup): Don't preread archive symbols when using a plugin.
10409         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10410         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10411         files.
10412         (Archive::include_member): Add symbols from plugin objects.
10413         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10414         * descriptors.cc (Descriptors::open): Check for file descriptors
10415         abandoned by plugins.
10416         (Descriptors::claim_for_plugin): New function.
10417         * descriptors.h (Descriptors::claim_for_plugin): New function.
10418         (Open_descriptor::is_claimed): New field.
10419         (claim_descriptor_for_plugin): New function.
10420         * fileread.cc (File_read::claim_for_plugin): New function.
10421         * fileread.h (File_read::claim_for_plugin): New function.
10422         (File_read::descriptor): New function.
10423         * gold.cc: Include "plugin.h".
10424         (queue_initial_tasks): Add task to call plugin hooks for generating
10425         new object files.
10426         * main.cc: Include "plugin.h".
10427         (main): Load plugin libraries.
10428         * object.h (Pluginobj): Declare.
10429         (Object::pluginobj): New function.
10430         (Object::do_pluginobj): New function.
10431         (Object::set_target): New function.
10432         * options.cc: Include "plugin.h".
10433         (General_options::parse_plugin): New function.
10434         (General_options::General_options): Initialize plugins_ field.
10435         (General_options::add_plugin): New function.
10436         * options.h (Plugin_manager): Declare.
10437         (General_options): Add --plugin option.
10438         (General_options::has_plugins): New function.
10439         (General_options::plugins): New function.
10440         (General_options::add_plugin): New function.
10441         (General_options::plugins_): New field.
10442         * plugin.cc: New file.
10443         * plugin.h: New file.
10444         * readsyms.cc: Include "plugin.h".
10445         (Read_symbols::do_read_symbols): Check for archive before checking
10446         for ELF file.  Call plugin hooks to claim files.
10447         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10448         from a real object file; force override when processing replacement
10449         files.
10450         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10451         (Symbol::init_base_object): Likewise.
10452         (Symbol::init_base_output_data): Likewise.
10453         (Symbol::init_base_output_segment): Likewise.
10454         (Symbol::init_base_constant): Likewise.
10455         (Symbol::init_base_undefined): Likewise.
10456         (Symbol::output_section): Assert that object is not a plugin.
10457         (Symbol_table::add_from_pluginobj): New function.
10458         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10459         undefined.
10460         (Symbol_table::sized_write_globals): Likewise.
10461         (Symbol_table::add_from_pluginobj): Instantiate template.
10462         * symtab.h (Sized_pluginobj): Declare.
10463         (Symbol::in_real_elf): New function.
10464         (Symbol::set_in_real_elf): New function.
10465         (Symbol::in_real_elf_): New field.
10466         (Symbol_table::add_from_pluginobj): New function.
10467
10468         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10469         (LIBDL): New variable.
10470         (LDADD): Add LIBDL.
10471         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10472         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10473         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10474         (MOSTLYCLEANFILES): Likewise.
10475         * testsuite/Makefile.in: Regenerate.
10476         * testsuite/plugin_test.c: New file.
10477         * testsuite/plugin_test_1.sh: New file.
10478         * testsuite/plugin_test_2.sh: New file.
10479
10480 2008-09-16  Ian Lance Taylor  <iant@google.com>
10481
10482         * target-reloc.h (relocate_section): Check whether a symbol is
10483         defined by the ABI before reporting an undefined symbol error.
10484         * target.h (Target::is_defined_by_abi): Make parameter const.
10485         (Target::do_is_defined_by_abi): Likewise.
10486         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10487         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10488         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10489         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10490         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10491         * testsuite/Makefile.in: Rebuild.
10492
10493         * fileread.cc (make_view): Add casts to avoid warning.
10494
10495 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10496
10497         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10498         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10499
10500 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10501
10502         * options.h (General_options::output_is_executable): New.
10503         (General_options::output_is_pie): New.
10504         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10505         for shared libraries.
10506         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10507
10508 2008-09-11  Chris Demetriou  <cgd@google.com>
10509
10510         * options.h (origin): New -z option.
10511         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10512         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10513         in DT_FLAGS_1.
10514
10515 2008-09-05  Cary Coutant  <ccoutant@google.com>
10516
10517         * fileread.cc (File_read::make_view): Add check for attempt to map
10518         beyond end of file.
10519
10520 2008-09-05  Cary Coutant  <ccoutant@google.com>
10521
10522         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10523         explicit instantiations.
10524
10525 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10526
10527         PR gold/6858
10528         * options.cc (General_options::finalize): Allow undefined symbols
10529         in shlibs if linking -shared.
10530
10531         PR gold/6859
10532         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10533         symbols as not needing a dynsym entry.
10534
10535 2008-08-20  Craig Silverstein  <csilvers@google.com>
10536
10537         * fileread.cc (File_read::open): Do not lock the file unless it
10538         was successfully opened.
10539
10540 2008-08-14  Cary Coutant  <ccoutant@google.com>
10541
10542         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10543         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10544         * testsuite/tls_test.cc (struct int128): 128-bit struct
10545         for testing TLS relocs with non-zero addend.
10546         (v12): New TLS variable.
10547         (t12): New test.
10548         (t_last): Add check for v12.
10549         * testsuite/tls_test.h (t12): New function.
10550         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10551
10552 2008-08-13  Ian Lance Taylor  <iant@google.com>
10553
10554         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10555         set tls_segment_ or relro_segment_.
10556         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10557         when appropriate.
10558         * output.h (Output_section::clear_is_relro): New function.
10559         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10560         sections specially even when output_data_ is empty.
10561         (Output_segment::maximum_alignment): When first section is relro,
10562         only force alignment for PT_LOAD segments.
10563         * script.cc (script_data_segment_align): New function.
10564         (script_data_segment_relro_end): New function.
10565         * script-c.h (script_data_segment_align): Declare.
10566         (script_data_segment_relro_end): Declare.
10567         * script-sections.h (class Script_sections): Declare
10568         data_segment_align and data_segment_relro_end.  Add fields
10569         segment_align_index_ and saw_relro_end_.
10570         * script-sections.cc (class Sections_element): Add set_is_relro
10571         virtual function.  Add new bool* parameter to place_orphan_here.
10572         Add get_output_section virtual function.
10573         (class Output_section_definition): Add set_is_relro.  Add new
10574         bool* parameter to place_orphan_here.  Add get_output_section.
10575         Add is_relro_ field.
10576         (Output_section_definition::Output_section_definition): Initialize
10577         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10578         and is_relro_ fields.
10579         (Output_section_definition::place_orphan_here): Add is_relro
10580         parameter.
10581         (Output_section_definition::set_section_addresses): Set relro for
10582         output section.
10583         (Output_section_definition::alternate_constraint): Likewise.
10584         (class Orphan_output_section): Add new bool* parameter to
10585         place_orphan_here.  Add get_output_section.
10586         (Orphan_output_section::place_orphan_here): Add is_relro
10587         parameter.
10588         (Script_sections::Script_sections): Initialize
10589         data_segment_align_index_ and saw_relro_end_.
10590         (Script_sections::data_segment_align): New function.
10591         (Script_sections::data_segment_relro_end): New function.
10592         (Script_sections::place_orphan): Set or clear is_relro.
10593         (Script_sections::set_section_addresses): Force alignment of first
10594         TLS section.
10595         * yyscript.y (exp): Call script_data_segment_align and
10596         script_data_segment_relro_end.
10597         * testsuite/relro_script_test.t: New file.
10598         * testsuite/relro_test.cc (using_script): Declare.
10599         (t1, t2): Test using_script.
10600         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10601         (relro_script_test_SOURCES): Define.
10602         (relro_script_test_DEPENDENCIES): Define.
10603         (relro_script_test_LDFLAGS): Define.
10604         (relro_script_test_LDADD): Define.
10605         (relro_script_test.so): New target.
10606         * testsuite/Makefile.in: Rebuild.
10607
10608 2008-08-06  Cary Coutant <ccoutant@google.com>
10609
10610         * archive.cc (Archive::total_archives, Archive::total_members)
10611         (Archive::total_members_loaded): New variables.
10612         (Archive::setup): Add parameter.  Add option to preread
10613         archive symbols.
10614         (Archive::read_armap): Add counter.
10615         (Archive::get_file_and_offset): New function.
10616         (Archive::get_elf_object_for_member): New function.
10617         (Archive::read_all_symbols): New function.
10618         (Archive::read_symbols): New function.
10619         (Archive::add_symbols): Add counters.
10620         (Archive::include_all_members): Use armap to find members if it's
10621         already built.
10622         (Archive::include_member): Skip reading symbols if already read.
10623         Factored code into Archive::get_file_and_offset and
10624         Archive::get_elf_object_for_member.  Changed call to
10625         Mapfile::report_include_archive_member.
10626         (Archive::print_stats): New function.
10627         * archive.h: Declare Object and Read_symbols_data classes.
10628         (Archive::Archive): Add initializers for new members.
10629         (Archive::setup): Add parameter.
10630         (Archive::print_stats): New function.
10631         (Archive::total_archives, Archive::total_members)
10632         (Archive::total_members_loaded): New variables.
10633         (Archive::get_file_and_offset): New function.
10634         (Archive::get_elf_object_for_member): New function.
10635         (Archive::read_all_symbols): New function.
10636         (Archive::read_symbols): New function.
10637         (Archive::Archive_member): New class.
10638         (Archive::members_): New member.
10639         (Archive::num_members_): New member.
10640         * main.cc: Include archive.h.
10641         (main): Call Archive::print_stats.
10642         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10643         archive parameter; member_name is now the fully-decorated name.
10644         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10645         * options.h: (General_options): Add --preread-archive-symbols option.
10646         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10647         Archive::setup.
10648
10649 2008-08-04  Ian Lance Taylor  <iant@google.com>
10650
10651         * symtab.h (Symbol::use_plt_offset): New function.
10652         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10653         * powerpc.cc (Relocate::relocate): Likewise.
10654         * sparc.cc (Relocate::relocate): Likewise.
10655         * x86_64.cc (Relocate::relocate): Likewise.
10656         * testsuite/weak_plt.sh: New test.
10657         * testsuite/weak_plt_main.cc: New test.
10658         * testsuite/weak_plt_shared.cc: New test.
10659         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10660         (check_PROGRAMS): Add weak_plt.
10661         (check_DATA): Add weak_plt_shared.so.
10662         (weak_plt_main_pic.o, weak_plt): New targets.
10663         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10664         * testsuite/Makefile.in: Rebuild.
10665
10666         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10667         gcctestdir/ld.
10668         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10669         * testsuite/Makefile.in: Rebuild.
10670
10671 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10672
10673         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10674         * Makefile.in: Regenerate.
10675         * po/POTFILES.in: Regenerate.
10676
10677 2008-07-29  Ian Lance Taylor  <iant@google.com>
10678
10679         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10680         symbols before other symbols.
10681         * testsuite/script_test_2.cc (test_addr): Declare.
10682         (test_addr_alias): Declare.
10683         (main): Check that test_addr and test_addr_alias have the right
10684         values.
10685         * testsuite/script_test_2.t: Define test_addr_alias and
10686         test_addr.
10687
10688 2008-07-24  Ian Lance Taylor  <iant@google.com>
10689
10690         PR 5990
10691         * descriptors.cc: New file.
10692         * descriptors.h: New file.
10693         * gold-threads.h (class Hold_optional_lock): New class.
10694         * fileread.cc: Include "descriptors.h".
10695         (File_read::~File_read): Release descriptor rather than closing
10696         it.
10697         (File_read::open) [file]: Call open_descriptor rather than open.
10698         Set is_descriptor_opened_.
10699         (File_read::open) [memory]: Assert that descriptor is not open.
10700         (File_read::reopen_descriptor): New function.
10701         (File_read::release): Release descriptor.
10702         (File_read::do_read): Make non-const.  Reopen descriptor.
10703         (File_read::read): Make non-const.
10704         (File_read::make_view): Reopen descriptor.
10705         (File_read::do_readv): Likewise.
10706         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10707         Update declarations.
10708         * layout.cc: Include "descriptors.h".
10709         (Layout::create_build_id): Use open_descriptor rather than open.
10710         * output.cc: Include "descriptors.h".
10711         (Output_file::open): Use open_descriptor rather than open.
10712         * archive.cc (Archive::const_iterator): Change Archive to be
10713         non-const.
10714         (Archive::begin, Archive::end): Make non-const.
10715         (Archive::count_members): Likewise.
10716         * archive.h (class Archive): Update declarations.
10717         * object.h (Object::read): Make non-const.
10718         * Makefile.am (CCFILES): Add descriptors.cc.
10719         (HFILES): Add descriptors.h.
10720         * Makefile.in: Rebuild.
10721
10722         PR 6716
10723         * gold.h: Always include <clocale>.  Add Solaris workarounds
10724         following code in binutils/sysdep.h.
10725
10726         PR 6048
10727         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10728         this->eh_frame_hdr_ is NULL before using it.
10729
10730         * dynobj.cc (Versions::Versions): Update comment.
10731
10732         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10733         the base version name.
10734
10735         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10736         array size plus one.
10737         (Stringpool_template::set_string_offsets): Subtract one from key
10738         before using it as an array index.
10739         (Stringpool_template::get_offset_with_length): Likewise.
10740         (Stringpool_template::write_to_buffer): Likewise.
10741         * stringpool.h (Stringpool_template::get_offset_from_key):
10742         Likewise.
10743
10744 2008-07-23  Ian Lance Taylor  <iant@google.com>
10745
10746         PR 6658
10747         * object.h (Merged_symbol_value::value): Do our best to handle a
10748         negative addend.
10749
10750         PR 6647
10751         * script.cc (Version_script_info::get_versions): Don't add empty
10752         version tag to return value.
10753         (Version_script_info::get_symbol_version_helper): Change return
10754         type to bool.  Add pversion parameter.  Change all callers.
10755         (script_register_vers_node): Don't require a non-NULL tag.
10756         * script.h (class Version_script_info): Update declarations.
10757         (Version_script_info::get_symbol_version): Change return type to
10758         bool.  Add version parameter.  Change all callers.
10759         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10760         handling.  Handle an empty version from a version script.
10761         (Symbol_table::define_special_symbol): Likewise.
10762         * testsuite/ver_test_10.script: New file.
10763         * testsuite/ver_test_10.sh: New file.
10764         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10765         (check_DATA): Add ver_test_10.syms.
10766         (ver_test_10.syms, ver_test_10.so): New target.
10767         * testsuite/Makefile.in: Rebuild.
10768
10769 2008-07-23  Simon Baldwin  <simonb@google.com>
10770
10771         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10772         to zero for undefined symbols from dynamic libraries.
10773
10774 2008-07-23  Ian Lance Taylor  <iant@google.com>
10775
10776         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10777         Change all callers.
10778         * symtab.h (class Symbol_table): Update declaration.
10779         * testsuite/ver_test_9.cc: New file.
10780         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10781         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10782         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10783         (ver_test_9.so, ver_test_9.o): New targets.
10784         * testsuite/Makefile.in: Rebuild.
10785
10786 2008-07-22  Ian Lance Taylor  <iant@google.com>
10787
10788         * options.h (class General_options): Define --check-sections.
10789         * layout.cc (Layout::set_segment_offsets): Handle
10790         --check-sections.
10791
10792         * options.h (class General_options): Define -n/--nmagic and
10793         -N/--omagic.
10794         * options.cc (General_options::finalize): For -n/--nmagic or
10795         -N/--omagic, set -static.
10796         * layout.cc (Layout::attach_allocated_section_to_segment): If
10797         -N/--omagic, don't put read-only and read-write sections in
10798         different segments.
10799         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10800         finding a read-only segment.
10801         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10802         don't set the minimum segment alignment to the common page size,
10803         and don't set the file offset to the address modulo the page size.
10804         * script-sections.cc (Script_sections::create_segments): If
10805         -n/--omagic, don't put read-only and read-write sections in
10806         different segments.
10807
10808         * cref.cc: New file.
10809         * cref.h: New file.
10810         * options.h (class General_options): Add --print-symbol-counts.
10811         * main.cc (main): Issue defined symbol report if requested.
10812         * archive.cc (Archive::interpret_header): Make into a const member
10813         function.
10814         (Archive::add_symbols): Call Input_objects::archive_start and
10815         archive_stop.
10816         (Archive::const_iterator): Define new class.
10817         (Archive::begin, Archive::end): New functions.
10818         (Archive::include_all_members): Rewrite to use iterator.
10819         (Archive::count_members): New function.
10820         * archive.h (class Archive): Update declarations.
10821         (Archive::filename): New function.
10822         * object.cc: Include "cref.h".
10823         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10824         (Sized_relobj::do_get_global_symbol_counts): New function.
10825         (Input_objects::add_object): Add object to cross-referencer.
10826         (Input_objects::archive_start): New function.
10827         (Input_objects::archive_stop): New function.
10828         (Input_objects::print_symbol_counts): New function.
10829         * object.h: Declare Cref and Archive.
10830         (Object::get_global_symbol_counts): New function.
10831         (Object::do_get_global_symbol_counts): New pure virtual function.
10832         (class Sized_relobj): Add defined_count_ field.  Update
10833         declarations.
10834         (class Input_objects): Add cref_ field.  Update constructor.
10835         Update declarations.
10836         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10837         defined_count_.
10838         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10839         symbol counts.
10840         (Sized_dynobj::do_get_global_symbol_counts): New function.
10841         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10842         defined_count_.  Update declarations.  Define Symbols typedef.
10843         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10844         parameter.  Change all callers.
10845         (Symbol_table::add_from_dynobj): Add sympointers and defined
10846         parameters.  Change all callers.
10847         * symtab.h (class Symbol_table): Update declarations.
10848         * Makefile.am (CCFILES): Add cref.cc.
10849         (HFILES): Add cref.h.
10850         * Makefile.in: Rebuild.
10851
10852 2008-07-22  Simon Baldwin  <simonb@google.com>
10853
10854         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10855         to zero when writing undefined symbols.
10856
10857 2008-07-22  Ian Lance Taylor  <iant@google.com>
10858
10859         * output.cc (Output_section::add_input_section): Don't try to
10860         merge empty merge sections.
10861
10862 2008-07-21  Craig Silverstein  <csilvers@google.com>
10863
10864         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10865         Include symbol version in error message.
10866
10867 2008-07-20  Chris Demetriou  <cgd@google.com>
10868
10869         * configure.ac (gold_cv_c_random_seed): New configured variable.
10870         (RANDOM_SEED_CFLAGS): New substituted variable.
10871         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10872         * configure: Rebuild.
10873         * Makefile.in: Likewise.
10874         * testsuite/Makefile.in: Likewise.
10875
10876 2008-07-18  Ian Lance Taylor  <iant@google.com>
10877
10878         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10879         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10880         * testsuite/ver_test_main.cc (main): Call t4.
10881         (t4, t4_2a): Define.
10882         * testsuite/ver_test_2.cc (t4_2): Define.
10883         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10884         * testsuite/ver_test_4.cc (t4_2a): Define.
10885         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10886         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10887
10888 2008-07-17  Ian Lance Taylor  <iant@google.com>
10889
10890         * dynobj.cc (Versions::add_def): If we give an error about a
10891         missing version, go ahead and create the version anyhow.
10892
10893 2008-07-10  Ian Lance Taylor  <iant@google.com>
10894
10895         Handle output sections with more than 0x7fffffff bytes.
10896         * object.h (class Relobj): Change map_to_output_ to
10897         output_sections_, and just keep a section pointer.  Change all
10898         uses.  Move comdat group support to Sized_relobj.
10899         (Relobj::is_section_specially_mapped): Remove.
10900         (Relobj::output_section): Remove poff parameter.  Change all
10901         callers.
10902         (Relobj::output_section_offset): New function.
10903         (Relobj::set_section_offset): Rewrite.
10904         (Relobj::map_to_output): Remove.
10905         (Relobj::output_sections): New function.
10906         (Relobj::do_output_section_offset): New pure virtual function.
10907         (Relobj::do_set_section_offset): Likewise.
10908         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10909         group support from Relobj.  Update declarations.
10910         (Sized_relobj::get_output_section_offset): New function.
10911         (Sized_relobj::do_output_section_offset): New function.
10912         (Sized_relobj::do_set_section_offset): New function.
10913         * object.cc (Relobj::output_section_address): Remove.
10914         (Sized_relobj::Sized_relobj): Initialize new fields.
10915         (Sized_relobj::include_section_group): Cast find_kept_object to
10916         Sized_relobj.
10917         (Sized_relobj::include_linkonce_section): Likewise.
10918         (Sized_relobj::do_layout): Use separate arrays for output section
10919         and output offset.
10920         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10921         output_sections.
10922         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10923         output_sections and section_offsets.
10924         (Sized_relobj::write_local_symbols): Likewise.
10925         (map_to_kept_section): Compute output address directly.
10926         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10927         output_sections and section_offsets.
10928         (Sized_relobj::write_sections): Likewise.
10929         (Sized_relobj::relocate_sections): Likewise.
10930         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10931         * output.h (class Output_reloc): Update declarations.  Change
10932         u2_.relobj to Sized_relobj*.
10933         (class Output_data_reloc): Change add functions to use
10934         Sized_relobj*.
10935         * output.cc (Output_reloc::Output_reloc): Change relobj to
10936         Sized_relobj*.
10937         (Output_reloc::local_section_offset): Change return type to
10938         Elf_Addr.  Use get_output_section_offset.
10939         (Output_reloc::get_address): Likewise.
10940         (Output_section::is_input_address_mapped): Don't call
10941         is_section_specially_mapped.
10942         (Output_section::output_offset): Likewise.
10943         (Output_section::output_address): Likewise.
10944         (Output_section::starting_output_address): Likewise.
10945         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10946         parameter to Sized_relobj*.
10947         (Copy_relocs::need_copy_reloc): Likewise.
10948         (Copy_relocs::save): Likewise.
10949         * copy-relocs.h (class Copy_relocs): Update declarations.
10950         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10951         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10952         * target-reloc.h (relocate_for_relocatable): Change
10953         offset_in_output_section type to Elf_Addr.  Change code that uses
10954         it as well.
10955         * layout.cc (Layout::layout): Always set *off.
10956         * mapfile.cc (Mapfile::print_input_section): Use
10957         output_section_offset.
10958         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10959         Sized_relobj*.
10960         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10961         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10962         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10963
10964 2008-07-03  Ian Lance Taylor  <iant@google.com>
10965
10966         * layout.cc (Layout::include_section): Do not discard unrecognized
10967         SHT_STRTAB sections.
10968
10969 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10970
10971         * script.cc (Lex::can_continue_name): Make '?' allowable in
10972         version-script names.
10973         * testsuite/version_script.map: Change glob pattern to use '?'
10974
10975 2008-06-30  Manish Singh  <yosh@gimp.org>
10976
10977         PR 6585
10978         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10979         Correct typo.
10980
10981 2008-06-30  Ian Lance Taylor  <iant@google.com>
10982
10983         PR 6660
10984         PR 6682
10985         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10986         versions]: Don't try to read the value in the contents, since we
10987         don't use it.  Use the template endianness when writing.
10988
10989 2008-06-25  Cary Coutant  <ccoutant@google.com>
10990
10991         * fileread.cc (File_read::make_view): Assert on zero-length view.
10992         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10993         symbol table when there are no symbols to read.
10994
10995 2008-06-23  Craig Silverstein  <csilvers@google.com>
10996
10997         * version.cc (version_string): Bump to 1.7
10998
10999 2008-06-18  Craig Silverstein  <csilvers@google.com>
11000
11001         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11002         constant 0xFFFF to type Valtype.
11003         (Powerpc_relocate_functions::rel16_ha): Likewise.
11004
11005 2008-06-17  Ian Lance Taylor  <iant@google.com>
11006
11007         * output.h (Output_section::Input_section): Initialize p2align_ to
11008         zero for Output_section_data constructors.
11009         (Output_section::Input_section::addralign): If not an input
11010         section, return the alignment of the Output_section_data.
11011         * testsuite/copy_test.cc: New file.
11012         * testsuite/copy_test_1.cc: New file.
11013         * testsuite/copy_test_2.cc: New file.
11014         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11015         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11016         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11017         (copy_test_1_pic.o, copy_test_1.so): New targets.
11018         (copy_test_2_pic.o, copy_test_2.so): New targets.
11019         * testsuite/Makefile.in: Rebuild.
11020
11021         * script-sections.cc (Script_sections::place_orphan): Initialize
11022         local variable exact.
11023
11024 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11025
11026         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11027
11028 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11029             David S. Miller  <davem@davemloft.net>
11030
11031         * powerpc.cc: New file.
11032         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11033         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11034         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11035         * Makefile.in: Rebuild.
11036
11037 2008-06-09  Ian Lance Taylor  <iant@google.com>
11038
11039         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11040         <exception>.
11041         (throwing, orig_terminate): New static variables.
11042         (terminate_handler): New static function.
11043         (t2): Set terminate handler.
11044
11045 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11046
11047         PR 6584
11048         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11049         alignment.
11050
11051 2008-05-30  Cary Coutant  <ccoutant@google.com>
11052
11053         * archive.cc (Archive::include_all_members) Correct to step
11054         over symbol table and extended name table in thin archives.
11055
11056 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11057
11058         PR 6407
11059         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11060         calculation.
11061
11062 2008-05-28  Caleb Howe  <cshowe@google.com>
11063
11064         * reduced_debug_output.cc: New file.
11065         * reduced_debug_output.h: New file.
11066         * options.h (class General_options): Add --strip-debug-non-line.
11067         * options.cc (General_options::finalize): Add strip_debug_non_line
11068         to the strip heirarchy.
11069         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11070         fields.
11071         * layout.cc: Include "reduced_debug_output.h".
11072         (Layout::Layout): Initialize new fields.
11073         (line_only_debug_sections): New static array.
11074         (is_lines_only_debug_sections): New static inline function.
11075         (Layout::include_section): Handle --strip-debug-non-line.
11076         (Layout::make_output_section): If --strip-debug-non-line, build
11077         new output sections for .debug_abbrev and .debug_info.
11078         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11079         gold.  Warn about possible overflow.
11080         (read_signed_LEB_128): Likewise.
11081         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11082         (read_signed_LEB_128): Declare.
11083         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11084         (HFILES): Add reduced_debug_output.h.
11085         * Makefile.in: Rebuild.
11086
11087 2008-05-21  Ian Lance Taylor  <iant@google.com>
11088
11089         * mapfile.cc: New file.
11090         * mapfile.h: New file.
11091         * options.h (class General_options): Add -M/--print-map and -Map.
11092         * options.cc (General_options::finalize): Make -M equivalent to
11093         -Map -.
11094         * main.cc: Include <cstdio> and "mapfile.h".
11095         (main): Open mapfile if requested.
11096         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11097         constructor.  Change caller.
11098         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11099         (queue_middle_tasks): Likewise.
11100         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11101         declarations.
11102         * archive.cc: Include "mapfile.h".
11103         (Archive::add_symbols): Add mapfile parameter.  Change all
11104         callers.  Pass mapfile, symbol, and reason to include_member.
11105         (Archive::include_all_members): Add mapfile parameter.  Change all
11106         callers.
11107         (Archive::include_member): Add mapfile, sym, and why parameters.
11108         Change all callers.  Report inclusion to map file.
11109         * archive.h: Include "fileread.h".
11110         (class Archive): Update declarations.
11111         (Archive::file): New const method.
11112         (class Add_archive_symbols): Add mapfile_ field.  Update
11113         constructor.  Change all callers.
11114         * readsyms.h (class Read_symbols): Likewise.
11115         (class Finish_group): Likewise.
11116         (class Read_script): Likewise.
11117         * common.cc: Include "mapfile.h".
11118         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11119         all callers.
11120         (Symbol_table::do_allocate_commons): Likewise.
11121         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11122         symbol allocation to mapfile.
11123         * common.h (class Allocate_commons_task): Add mapfile_ field.
11124         Update constructor.  Change all callers.
11125         * symtab.h (class Symbol_table): Update declarations.
11126         * layout.cc: Include "mapfile.h".
11127         (Layout_task_runner::run): Print information to mapfile.
11128         (Layout::create_gold_note): Change Output_data_fixed_space to
11129         Output_data_zero_fill.
11130         (Layout::create_build_id): Likewise.
11131         (Layout::print_to_mapfile): New function.
11132         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11133         constructor.  Change caller.
11134         (class Layout): Declare print_to_mapfile.
11135         * output.cc (Output_section::Input_section::print_to_mapfile): New
11136         function.
11137         (Output_section::add_input_section): If producing a map, always
11138         add to input_sections_ list.
11139         (Output_section::do_print_to_mapfile): New function.
11140         (Output_segment::print_sections_to_mapfile): New function.
11141         (Output_segment::print_section_list_to_mapfile): New function.
11142         * output.h: Include "mapfile.h".
11143         (Output_data::print_to_mapfile): New function.
11144         (Output_data::do_print_to_mapfile): New virtual function.
11145         (Output_segment_headers::do_print_to_mapfile): New function.
11146         (Output_file_header::do_print_to_mapfile): New function.
11147         (Output_data_const::do_print_to_mapfile): New function.
11148         (class Output_data_const_buffer): Add map_name_ field.  Update
11149         constructor.  Change all callers.  Add do_print_to_mapfile
11150         function.
11151         (class Output_data_fixed_space): Likewise.
11152         (class Output_data_space): Likewise.
11153         (class Output_data_zero_fill): New class.
11154         (Output_data_strtab::do_print_to_mapfile): New function.
11155         (Output_data_reloc_base::do_print_to_mapfile): New function.
11156         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11157         (Output_data_group::do_print_to_mapfile): New function.
11158         (Output_data_got::do_print_to_mapfile): New function.
11159         (Output_data_dynamic::do_print_to_mapfile): New function.
11160         (Output_symtab_xindex::do_print_to_mapfile): New function.
11161         (class Output_section): Declare do_print_to_mapflie.  Declare
11162         print_to_mapfile in Input_section.
11163         (class Output_segment): Declare new functions.
11164         * object.h (Sized_relobj::symbol_count): New function.
11165         * script-sections.cc
11166         (Output_section_element_dot_assignment::set_section_addresses):
11167         Change Output_data_fixed_space to Output_data_zero_fill.
11168         (Output_data_expression::do_print_to_mapfile): New function.
11169         * script.cc (read_input_script): Add mapfile parameter.  Change
11170         all callers.
11171         * script.h (read_input_script): Update declaration.
11172         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11173         (Eh_frame::do_print_to_mapfile): New function.
11174         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11175         (Output_merge_string::do_print_to_mapfile): New function.
11176         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11177         function.
11178         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11179         function.
11180         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11181         function.
11182         * Makefile.am (CCFILES): Add mapfile.cc.
11183         (HFILES): Add mapfile.h.
11184         * Makefile.in: Rebuild.
11185
11186 2008-05-19  Ian Lance Taylor  <iant@google.com>
11187
11188         * options.h (class General_options): Add -z relro.
11189         * layout.cc (Layout::Layout): Initialize relro_segment_.
11190         (Layout::add_output_section_data): Return the output section.
11191         (Layout::make_output_section): Rcognize relro sections and mark
11192         them appropriately.
11193         (Layout::attach_allocated_section_to_segment): Put relro sections
11194         in a PT_GNU_RELRO segment.
11195         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11196         section as relro.
11197         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11198         PT_TLS segments.
11199         (Layout::linkonce_mapping): Map d.rel.ro.local to
11200         .data.rel.ro.local.
11201         (Layout::output_section_name): Us .data.rel.ro.local for any
11202         section which begins with that.
11203         * layout.h (class Layout): Update add_output_section_data
11204         declaration.  Add relro_segment_ field.
11205         * output.cc (Output_section::Output_section): Initialize is_relro_
11206         and is_relro_local_ fields.
11207         (Output_segment::add_output_section): Group relro sections.
11208         (Output_segment::is_first_section_relro): New function.
11209         (Output_segment::maximum_alignment): If there is a relro section,
11210         align the segment to the common page size.
11211         (Output_segment::set_section_addresses): Track whether we are
11212         looking at relro sections.  If the last section is a relro
11213         section, align to the common page size.
11214         (Output_segment::set_section_list_addresses): Add in_relro
11215         parameter.  Change all callers.  Align to the page size when
11216         moving from relro to non-relro section.
11217         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11218         segment.
11219         * output.h (class Output_section): Add is_relro_ and
11220         is_relro_local_ fields.
11221         (Output_section::is_relro): New function.
11222         (Output_section::set_is_relro): New function.
11223         (Output_section::is_relro_local): New function.
11224         (Output_section::set_is_relro_local): New function.
11225         (class Output_segment): Update declarations.
11226         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11227         * sparc.cc (Target_sparc::got_section): Likewise.
11228         * x86_64.cc (Target_x86_64::got_section): Likewise.
11229         * testsuite/relro_test_main.cc: New file.
11230         * testsuite/relro_test.cc: New file.
11231         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11232         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11233         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11234         (relro_test.so, relro_test_pic.o): New targets.
11235         * testsuite/Makefile.in: Rebuild.
11236
11237 2008-05-16  Ian Lance Taylor  <iant@google.com>
11238
11239         * output.cc (Output_segment::add_output_section): Remove front
11240         parameter.
11241         * output.h (class Output_segment): Remove
11242         add_initial_output_section and overloaded add_output_section.
11243         Update declaration of remaining add_output_section.
11244         * layout.cc (Layout::create_interp): Call add_output_section
11245         rather than add_initial_output_section.
11246         (Layout::finish_dynamic_section): Likewise.
11247
11248         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11249         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11250         know the dynamic type.
11251         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11252         field.  Initialize it in constructor.
11253         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11254         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11255         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11256         reloc.
11257
11258         * output.cc (Output_reloc::get_address): Change return type to
11259         Elf_Addr.
11260         * output.h (class Output_reloc): Update get_address declaration.
11261         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11262         for section addresses.
11263
11264 2008-05-09  Ian Lance Taylor  <iant@google.com>
11265
11266         PR 6493
11267         * gold.cc (gold_nomem): Use return value of write.
11268
11269 2008-05-08  Ian Lance Taylor  <iant@google.com>
11270
11271         * symtab.c (Symbol::init_base_output_data): Add version
11272         parameter.  Change all callers.
11273         (Symbol::init_base_output_segment): Likewise.
11274         (Symbol::init_base_constant): Likewise.
11275         (Symbol::init_base_undefined): Likewise.
11276         (Sized_symbol::init_output_data): Likewise.
11277         (Sized_symbol::init_output_segment): Likewise.
11278         (Sized_symbol::init_constant): Likewise.
11279         (Sized_symbol::init_undefined): Likewise.
11280         (Symbol_table::do_define_in_output_data): If the new symbol has a
11281         version, mark it as the default.
11282         (Symbol_table::do_define_in_output_segment): Likewise.
11283         (Symbol_table::do_define_as_constant): Likewise.
11284         * symtab.h (class Symbol): Update declarations.
11285         (class Sized_symbol): Likewise.
11286         * resolve.cc (Symbol::override_version): New function.
11287         (Symbol::override_base): Call override_version.
11288         (Symbol::override_base_with_special): Likewise.
11289         * testsuite/ver_script_8.script: New file.
11290         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11291         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11292         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11293         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11294
11295 2008-05-06  Ian Lance Taylor  <iant@google.com>
11296
11297         PR 6049
11298         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11299         functions.
11300         (class General_options): Remove existing --undefined, and add
11301         --no-undefined instead.  Add new --undefined as synonym for -u.
11302         * archive.cc (Archive::add_symbols): Check whether symbol was
11303         named with -u.
11304         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11305         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11306         all uses.  Add IS_UNDEFINED.  Update declarations to split
11307         different versions of init_base.  Declare init_base_undefined.
11308         (Symbol::is_defined): Handle IS_UNDEFINED.
11309         (Symbol::is_undefined): Likewise.
11310         (Symbol::is_weak_undefined): Call is_undefined.
11311         (Symbol::is_absolute): Handle IS_CONSTANT.
11312         (class Sized_symbol): Update declarations to split different
11313         versions of init.  Declare init_undefined.
11314         (class Symbol_table): Declare new functions.
11315         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11316         Change all callers.
11317         (Symbol::init_base_output_data): Likewise.
11318         (Symbol::init_base_output_segment): Likewise.
11319         (Symbol::init_base_constant): Likewise.
11320         (Symbol::init_base_undefined): New function.
11321         (Sized_symbol::init_object): Rename from init.  Change all
11322         callers.
11323         (Sized_symbol::init_output_data): Likewise.
11324         (Sized_symbol::init_output_segment): Likewise.
11325         (Sized_symbol::init_constant): Likewise.
11326         (Sized_symbol::init_undefined): New function.
11327         (Symbol_table::add_undefined_symbols_from_command_line): New
11328         function.
11329         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11330         function.
11331         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11332         (Symbol::output_section): Likewise.
11333         (Symbol::set_output_section): Likewise.
11334         (Symbol_table::sized_finalize_symbol): Likewise.
11335         (Symbol_table::sized_write_globals): Likewise.
11336         * resolve.cc (Symbol_table::should_override): Likewise.
11337         (Symbol::override_base_with_special): Likewise.
11338
11339         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11340         symbol, change it to have default visibility.
11341         * testsuite/protected_1.cc: New file.
11342         * testsuite/protected_2.cc: New file.
11343         * testsuite/protected_3.cc: New file.
11344         * testsuite/protected_main_1.cc: New file.
11345         * testsuite/protected_main_2.cc: New file.
11346         * testsuite/protected_main_3.cc: New file.
11347         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11348         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11349         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11350         (protected_1.so): New target.
11351         (protected_1_pic.o, protected_2_pic.o): New targets.
11352         (protected_3_pic.o): New target.
11353         (check_PROGRAMS): Add protected_2.
11354         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11355         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11356         * testsuite/Makefile.in: Rebuild.
11357
11358         * options.h (DEFINE_var): Add set_user_set_##varname__.
11359         (DEFINE_bool_alias): New macro.
11360         (class General_options): Define -Bstatic using DEFINE_bool_alias
11361         rather than DEFINE_special.  Add --undefined as an alias for -z
11362         defs.
11363         * options.cc (General_options::parse_Bstatic): Remove.
11364
11365         * options.h (class General_options): Add --fatal-warnings.
11366         * main.cc (main): Implement --fatal-warnings.
11367         * errors.h (Errors::warning_count): New function.
11368
11369         * options.h (class General_options): Add -Bsymbolic-functions.
11370         * symtab.h (Symbol::is_preemptible): Check for
11371         -Bsymbolic-functions.
11372
11373 2008-05-05  Ian Lance Taylor  <iant@google.com>
11374
11375         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11376         as noVARNAME rather than no-VARNAME.
11377         (class General_options): Add option -z combreloc.
11378         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11379         get_address.
11380         (Output_reloc::sort_before) [SHT_REL]: New function.
11381         (Output_reloc::sort_before) [SHT_RELA]: New function.
11382         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11383         Sort_relocs_comparison.
11384         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11385         parameter.  Change all callers.
11386         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11387         sort_relocs parameter.  Change all callers.
11388         * output.cc (Output_reloc::get_address): New function, broken out
11389         of write_rel.
11390         (Output_reloc::write_rel): Call it.
11391         (Output_reloc::compare): New function.
11392         (Output_data_reloc_base::do_write): Optionally sort relocs.
11393
11394         * configure.ac: If targ_extra_obj is set, link it in.
11395         * configure.tgt: Initialize all variables.
11396         (x86_64*): Set targ_extra_obj and targ_extra_size.
11397         * configure: Rebuild.
11398
11399         * object.cc (Sized_relobj::include_section_group): Adjust section
11400         indexes read from group data.  Build vector to pass to
11401         layout_group.
11402         * layout.cc (Layout::layout_group): Add flags and shndxes
11403         parameters.  Remove contents parameter.  Change caller.  Update
11404         explicit instantiations.
11405         * layout.h (class Layout): Update layout_group declaration.
11406         * output.cc (Output_data_group::Output_data_group): Add flags and
11407         input_shndxes parameters.  Remove contents parameter.  Change
11408         caller.
11409         (Output_data_group::do_write): Change input_sections_ to
11410         input_shndxes_.
11411         * output.h (class Output_data_group): Update constructor
11412         declaration.  Rename input_sections_ to input_shndxes_.
11413         * testsuite/many_sections_test.cc: Add template.
11414
11415 2008-04-30  Cary Coutant  <ccoutant@google.com>
11416
11417         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11418
11419         * layout.cc (Layout::include_section): Refactored check for debug
11420         info section.
11421         (Layout::add_comdat): Add new parameters.  Change type
11422         of signature parameter.  Add object and shndx to signatures table.
11423         (Layout::find_kept_object): New function.
11424         * layout.h: Include <cstring>.
11425         (Layout::is_debug_info_section): New function.
11426         (Layout::add_comdat): Add new parameters.
11427         (Layout::find_kept_object): New function.
11428         (Layout::Kept_section): New struct.
11429         (Layout::Signatures): Change type of map range.
11430         * object.cc (Relobj::output_section_address): New function.
11431         (Sized_relobj::include_section_group): Add new parameters.  Change
11432         calls to Layout::add_comdat.  Change to build table of kept comdat
11433         groups and table mapping discarded sections to kept sections.
11434         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11435         (Sized_relobj::do_layout): Change calls to include_section_group and
11436         include_linkonce_section.
11437         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11438         value to zero when section is discarded.
11439         (Sized_relobj::map_to_kept_section): New function.
11440         * object.h (Relobj::output_section_address): New function.
11441         (Relobj::Comdat_group): New type.
11442         (Relobj::find_comdat_group): New function.
11443         (Relobj::Comdat_group_table): New type.
11444         (Relobj::Kept_comdat_section): New type.
11445         (Relobj::Kept_comdat_section_table): New type.
11446         (Relobj::add_comdat_group): New function.
11447         (Relobj::set_kept_comdat_section): New function.
11448         (Relobj::get_kept_comdat_section): New function.
11449         (Relobj::comdat_groups_): New field.
11450         (Relobj::kept_comdat_sections_): New field.
11451         (Symbol_value::input_value): Update comment.
11452         (Sized_relobj::map_to_kept_section) New function.
11453         (Sized_relobj::include_linkonce_section): Add new parameter.
11454         * target-reloc.h (Comdat_behavior): New type.
11455         (get_comdat_behavior): New function.
11456         (relocate_section): Add code to map a discarded section to the
11457         corresponding kept section when applying a relocation.
11458
11459 2008-04-30  Craig Silverstein  <csilvers@google.com>
11460
11461         * dwarf_reader.cc (next_generation_count): New static var.
11462         (Addr2line_cache_entry): New struct.
11463         (addr2line_cache): New static var.
11464         (Dwarf_line_info::one_addr2line): Added caching.
11465         (Dwarf_line_info::clear_addr2line_cache): New function.
11466         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11467         cache-size parameter.
11468         (Dwarf_line_info::one_addr2line_cache): New function.
11469         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11470         new cache-size argument to one_addr2line(), and clear cache.
11471
11472 2008-04-28  Cary Coutant  <ccoutant@google.com>
11473
11474         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11475         R_386_PC8 relocations.
11476
11477 2008-04-23  Ian Lance Taylor  <iant@google.com>
11478
11479         * object.cc (Sized_relobj::include_section_group): Check for
11480         invalid section group.
11481
11482         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11483         header size.
11484
11485         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11486         than read for file header.
11487         * archive.cc (Archive::include_member): Likewise.
11488
11489 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11490
11491         * aclocal.m4: Regenerate.
11492         * configure: Regenerate.
11493
11494 2008-04-19  Ian Lance Taylor  <iant@google.com>
11495
11496         * version.cc (version_string): Bump to 1.6.
11497
11498         * testsuite/Makefile.am (many_sections_r_test): New target.
11499         (many_sections_r_test_SOURCES): Remove.
11500         (many_sections_r_test_DEPENDENCIES): Remove.
11501         (many_sections_r_test_LDFLAGS): Remove.
11502         (many_sections_r_test_LDADD): Remove.
11503
11504         * object.cc (Sized_relobj::do_add_symbols): Always pass
11505         local_symbol_count_ to add_from_relobj.
11506
11507         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11508         every thousand variables.
11509         * testsuite/Makefile.in: Rebuild.
11510
11511         * object.cc (Xindex::initialize_symtab_xindex): New function.
11512         (Xindex::read_symtab_xindex): New function.
11513         (Xindex::sym_xindex_to_shndx): New function.
11514         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11515         available.
11516         (Sized_relobj::do_initialize_xindex): New function.
11517         (Sized_relobj::do_read_symbols): Adjust section links.
11518         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11519         parameter.  Change all callers.
11520         (Sized_relobj::include_section_group): Adjust section links and
11521         symbol section indexes.
11522         (Sized_relobj::do_layout): Adjust section links.
11523         (Sized_relobj::do_count_local_symbols): Adjust section links and
11524         symbol section indexes.
11525         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11526         ordinary and special symbols.
11527         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11528         dynsym_xindex parameters.  Change all callers.  Adjust section
11529         links.  Use SHN_XINDEX when needed.
11530         (Sized_relobj::get_symbol_location_info): Adjust section links.
11531         Don't get fooled by special symbols.
11532         * object.h (class Xindex): Define.
11533         (class Object): Add xindex_ parameter.  Declare virtual functoin
11534         do_initialize_xindex.
11535         (Object::adjust_sym_shndx): New function.
11536         (Object::set_xindex): New protected function.
11537         (class Symbol_value): Add is_ordinary_shndx_ field.
11538         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11539         (Symbol_value::value): Assert ordinary section.
11540         (Symbol_value::initialize_input_to_output_map): Likewise.
11541         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11542         Change all callers.
11543         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11544         all callers.
11545         (class Sized_relobj): Update declarations.
11546         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11547         parameter.  Change all callers.
11548         (Sized_relobj::adjust_shndx): New function.
11549         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11550         field.
11551         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11552         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11553         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11554         (Sized_dynobj::read_dynsym_section): Adjust section links.
11555         (Sized_dynobj::read_dynamic): Likewise.
11556         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11557         section links.
11558         (Sized_dynobj::do_initialize_xindex): New function.
11559         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11560         do_initialize_xindex.
11561         (Sized_dynobj::adjust_shndx): New function.
11562         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11563         dynsym_xindex_ fields.
11564         (Layout::finalize): Add a call to set_section_indexes before
11565         creating the symtab sections.
11566         (Layout::set_section_indexes): Don't do anything if the section
11567         already has a section index.
11568         (Layout::create_symtab_sections): Add shnum parameter.  Change
11569         caller.  Create .symtab_shndx section if needed.
11570         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11571         caller.
11572         (Layout::allocated_output_section_count): New function.
11573         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11574         needed.
11575         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11576         fields.  Update declarations.
11577         (Layout::symtab_xindex): New function.
11578         (Layout::dynsym_xindex): New function.
11579         (class Write_symbols_task): Add layout_ field.
11580         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11581         Change caller.
11582         * output.cc (Output_section_headers::Output_section_headers): Add
11583         shstrtab_section parameter.  Change all callers.
11584         (Output_section_headers::do_sized_write): Store overflow values
11585         for section count and section string table section index in
11586         section header zero.
11587         (Output_file_header::do_sized_write): Check for overflow of
11588         section count and section string table section index.
11589         (Output_symtab_xindex::do_write): New function.
11590         (Output_symtab_xindex::endian_do_write): New function.
11591         * output.h (class Output_section_headers): Add shstrtab_section_.
11592         Update declarations.
11593         (class Output_symtab_xindex): Define.
11594         (Output_section::has_out_shndx): New function.
11595         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11596         field.
11597         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11598         Change all callers.
11599         (Sized_symbol::init): Likewise.
11600         (Symbol::output_section): Check for ordinary symbol.
11601         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11602         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11603         callers.
11604         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11605         Change all callers.  Simplify handling of symbols from sections
11606         not included in the link.
11607         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11608         distinction.
11609         (Weak_alias_sorter::operator()): Assert that symbols are
11610         ordinary.
11611         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11612         distinction.
11613         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11614         parameters.  Change all callers.
11615         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11616         symbol distinction.  Use SHN_XINDEX when needed.
11617         (Symbol_table::write_section_symbol): Add symtab_xindex
11618         parameter.  Change all callers.
11619         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11620         SHN_XINDEX when needed.
11621         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11622         declarations.
11623         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11624         (Symbol::is_defined): Check is_ordinary.
11625         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11626         (Symbol::is_absolute, Symbol::is_common): Likewise.
11627         (class Sized_symbol): Update declarations.
11628         (class Symbol_table): Update declarations.
11629         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11630         parameters.  Change all callers.
11631         (Sized_symbol::override): Likewise.
11632         (Symbol_table::override): Likewise.
11633         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11634         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11635         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11636         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11637         to be in an ordinary section.
11638         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11639         object and is_ordinary parameters.  Change all callers.
11640         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11641         Change all callers.  Don't add undefined or non-ordinary symbols
11642         to reloc_map_.
11643         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11644         Change all callers.
11645         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11646         declarations.
11647         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11648         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11649         (Sized_relobj::relocate_sections): Likewise.
11650         * target-reloc.h (scan_relocs): Adjust section symbol index.
11651         (scan_relocatable_relocs): Likewise.
11652         * i386.cc (Scan::local): Check for ordinary symbols.
11653         * sparc.cc (Scan::local): Likewise.
11654         * x86_64.cc (Scan::local): Likewise.
11655         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11656         to symbol_section_and_value.
11657         * testsuite/many_sections_test.cc: New file.
11658         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11659         (check_PROGRAMS): Add many_sections_test.
11660         (many_sections_test_SOURCES): Define.
11661         (many_sections_test_DEPENDENCIES): Define.
11662         (many_sections_test_LDFLAGS): Define.
11663         (BUILT_SOURCES): Add many_sections_define.h.
11664         (many_sections_define.h): New target.
11665         (BUILT_SOURCES): Add many_sections_check.h.
11666         (many_sections_check.h): New target.
11667         (check_PROGRAMS): Add many_sections_r_test.
11668         (many_sections_r_test_SOURCES): Define.
11669         (many_sections_r_test_DEPENDENCIES): Define.
11670         (many_sections_r_test_LDFLAGS): Define.
11671         (many_sections_r_test_LDADD): Define.
11672         (many_sections_r_test.o): New target.
11673         * testsuite/Makefile.in: Rebuild.
11674
11675 2008-04-17  Cary Coutant  <ccoutant@google.com>
11676
11677         * errors.cc (Errors::info): New function.
11678         (gold_info): New function.
11679         * errors.h (Errors::info): New function.
11680         * gold.h (gold_info): New function.
11681         * object.cc (Input_objects::add_object): Print trace output.
11682         * options.cc (options::parse_set): New function.
11683         (General_options::parse_wrap): Deleted.
11684         (General_options::General_options): Deleted initializer.
11685         * options.h (options::String_set): New typedef.
11686         (options::parse_set): New function.
11687         (DEFINE_set): New macro.
11688         (General_options::wrap): Changed to use DEFINE_set. Changed
11689         callers of any_wrap_symbols and is_wrap_symbol.
11690         (General_options::trace, General_options::trace_symbol):
11691         New options.
11692         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11693         (General_options::wrap_symbols_): Deleted.
11694         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11695
11696 2008-04-17  David S. Miller  <davem@davemloft.net>
11697
11698         * options.cc (General_options::parse_V): New function.
11699         * options.h: Add entries for -V and -Qy.
11700
11701 2008-04-17  Ian Lance Taylor  <iant@google.com>
11702
11703         * common.cc (Symbol_table::allocate_commons): Remove options
11704         parameter.  Change caller.
11705         (Symbol_table::do_allocate_commons): Remove options parameter.
11706         Change caller.  Just call do_allocate_commons_list twice.
11707         (Symbol_table::do_allocate_commons_list): New function, broken out
11708         of do_allocate_commons.
11709         * common.h (class Allocate_commons_task): Remove options_ field.
11710         Update constructor.
11711         * symtab.cc (Symbol_table::Symbol_table): Initialize
11712         tls_commons_.
11713         (Symbol_table::add_from_object): Put TLS common symbols on
11714         tls_commons_ list.
11715         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11716         which are IN_OUTPUT_DATA.
11717         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11718         allocate_commons and do_allocate_commons declarations.  Declare
11719         do_allocate_commons_list.
11720         * gold.cc (queue_middle_tasks): Update creation of
11721         Allocate_commons_task to not pass options.
11722         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11723         (TLS_TEST_C_FLAGS): New variable.
11724         (tls_test_c_pic.o): New target.
11725         (tls_test_shared.so): Link in tls_test_c_pic.o.
11726         (tls_test_c_pic_ie.o): New target.
11727         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11728         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11729         (tls_test_c.o): New target.
11730         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11731         (tls_pic_test_LDADD): Likewise.
11732         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11733         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11734         (tls_test_c_gnu2.o): New target.
11735         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11736         tls_test_c_gnu2.o.
11737         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11738         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11739         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11740         * testsuite/tls_test.cc: Include "config.h".
11741         (t_last): Call t11_last.
11742         * testsuite/tls_test.h (t11, t11_last): Declare.
11743         * testsuite/tls_test_c.c: New file.
11744         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11745         * configure.ac: Check for OpenMP support.
11746         * configure, config.in, Makefile.in: Rebuild.
11747         * testsuite/Makefile.in: Rebuild.
11748
11749 2008-04-16  Cary Coutant  <ccoutant@google.com>
11750
11751         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11752         (Target_i386::tls_base_symbol_defined_): New field.
11753         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11754         (Target_i386::Scan::global): Likewise.
11755         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11756         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11757         (Target_x86_64::tls_base_symbol_defined_): New field.
11758         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11759         (Target_x86_64::Scan::global): Likewise.
11760
11761 2008-04-16  Cary Coutant  <ccoutant@google.com>
11762
11763         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11764         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11765         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11766         building shared libraries.
11767         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11768         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11769         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11770         * testsuite/Makefile.in: Rebuild.
11771         * testsuite/weak_undef.h: New file.
11772         * testsuite/weak_undef_file1.cc: Add extra test cases.
11773         * testsuite/weak_undef_file2.cc: Likewise.
11774         * testsuite/weak_undef_test.cc: Likewise.
11775
11776 2008-04-16  David S. Miller  <davem@davemloft.net>
11777
11778         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11779         Add issued_non_pic_error_ field.  Declare check_non_pic.
11780         (Target_sparc::Scan::check_non_pic): New function.
11781         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11782         (Target_sparc::Scan::global): Likewise.
11783
11784         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11785         * configure: Rebuild.
11786
11787         * options.h (DEFINE_enable): New macro.
11788         (new_dtags): New enable option.
11789         (initfirst, interpose, loadfltr, nodefaultlib,
11790         nodelete, nodlopen, nodump): New -z options.
11791         * layout.cc (Layout:finish_dynamic_section): If new
11792         dtags enabled, emit DT_RUNPATH.  Also, emit a
11793         DT_FLAGS_1 containing any specified -z flags.
11794
11795 2008-04-16  Ian Lance Taylor  <iant@google.com>
11796
11797         * copy-relocs.cc: New file.
11798         * copy-relocs.h: New file.
11799         * reloc.cc: Remove Copy_relocs code.
11800         * reloc.h: Likewise.
11801         * reloc-types.h (struct Reloc_types) [both versions]: Add
11802         get_reloc_addend_noerror.
11803         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11804         variants of add_global which take an addend which must be zero.
11805         * i386.cc: Include "copy-relocs.h".
11806         (class Target_i386): Change type of copy_relocs_ to variable,
11807         update initializer.
11808         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11809         Change all callers.
11810         (Target_i386::do_finalize_sections): Change handling of
11811         copy_relocs_.
11812         * sparc.cc: Include "copy-relocs.h".
11813         (class Target_sparc): Change type of copy_relocs_ to variable,
11814         update initializer.
11815         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11816         Change all callers.
11817         (Target_sparc::do_finalize_sections): Change handling of
11818         copy_relocs_.
11819         * x86_64.cc: Include "copy-relocs.h".
11820         (class Target_x86_64): Change type of copy_relocs_ to variable,
11821         update initializer.
11822         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11823         class.  Change all callers.
11824         (Target_x86_64::do_finalize_sections): Change handling of
11825         copy_relocs_.
11826         * Makefile.am (CCFILES): Add copy-relocs.cc.
11827         (HFILES): Add copy-relocs.h.
11828
11829         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11830
11831         * testsuite/script_test_4.sh: Permit leading zeroes.
11832
11833 2008-04-15  Ian Lance Taylor  <iant@google.com>
11834
11835         * script-sections.cc (Script_sections::create_segments): Use
11836         header_size_adjustment even when there is enough room for the
11837         headers.
11838         * testsuite/script_test_4.sh: New file.
11839         * testsuite/script_test_4.t: New file.
11840         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11841         (check_DATA): Add script_test_4.stdout.
11842         (MOSTLYCLEANFILES): Likewise.
11843         (script_test_4): New target.
11844         (script_test_4.stdout): New target.
11845         * testsuite/Makefile.in: Rebuild.
11846
11847         * sparc.cc: Add definitions for Output_data_plt_sparc class
11848         constants.
11849
11850 2008-04-14  David S. Miller  <davem@davemloft.net>
11851
11852         * sparc.cc: New file.
11853         * Makefile.am (TARGETSOURCES): Add sparc.cc
11854         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11855         * configure.tgt: Document targ_extra_size and
11856         targ_extra_big_endian.  Add entries for sparc-* and
11857         sparc64-*.
11858         * configure.ac: Handle targ_extra_size and
11859         targ_extra_big_endian.
11860         * Makefile.in: Rebuild.
11861         * configure: Likewise.
11862         * po/POTFILES.in: Likewise.
11863         * po/gold.pot: Likewise.
11864
11865 2008-04-14  Ian Lance Taylor  <iant@google.com>
11866
11867         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11868         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11869         in the name/type/flags to section mapping.  Don't call
11870         allocate_output_section.
11871         (Layout::choose_output_section): Change parameter from adjust_name
11872         to is_input_section.  Don't permit input sections after sections
11873         are attached to segments.  Don't call allocate_output_section.
11874         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11875         not write_enable_output_section.
11876         (Layout::make_output_section): Don't push to
11877         unattached_section_list_ nor call attach_to_segment.  Call
11878         attach_section_to_segment if sections are attached.
11879         (Layout::attach_sections_to_segments): New function.
11880         (Layout::attach_section_to_segment): New function.
11881         (Layout::attach_allocated_section_to_segment): Rename from
11882         attach_to_segment.  Remove flags parameter.
11883         (Layout::allocate_output_section): Remove function.
11884         (Layout::write_enable_output_section): Remove function.
11885         * layout.h (class Layout): Update for above changes.  Add new
11886         field sections_are_attached_.
11887         * output.h (Output_section::update_flags_for_input_section): New
11888         function.
11889         * output.cc (Output_section::add_input_section): Call
11890         update_flags_for_input_section.
11891         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11892
11893 2008-04-11  Cary Coutant  <ccoutant@google.com>
11894
11895         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11896         thought unnecessary.
11897         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11898
11899 2008-04-11  Ian Lance Taylor  <iant@google.com>
11900
11901         * output.h (class Output_section_data): Remove inline definition
11902         of set_addralign.
11903         * output.cc (Output_section_data::set_addralign): New function.
11904
11905 2008-04-11  Cary Coutant  <ccoutant@google.com>
11906
11907         Add support for TLS descriptors for i386 and x86_64.
11908         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11909         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11910         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11911         GOT_TYPE_TLS_DESC.
11912         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11913         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11914         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11915         relocations.
11916         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11917         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11918         Fix problem with initial-exec relocations.
11919         (Target_i386::Relocate::relocate_tls): Likewise.
11920         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11921         relaxation.
11922         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11923         support for section-plus-offset dynamic table entries.
11924         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11925         (Output_data_dynamic::Dynamic_entry): Add support for
11926         section-plus-offset dynamic table entries.
11927         (Output_data_dynamic::Classification): Likewise.
11928         (Output_data_dynamic::classification_): Renamed offset_.
11929         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11930         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11931         (Target_x86_64::make_plt_section): New function.
11932         (Target_x86_64::reserve_tlsdesc_entries): New function.
11933         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11934         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11935         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11936         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11937         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11938         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11939         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11940         add extra PLT entry for TLS descriptors.
11941         (Output_data_plt_x86_64::got_): New field.
11942         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11943         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11944         fields.
11945         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11946         descriptors.
11947         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11948         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11949         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11950         R_386_TLS_DESC_CALL relocations.
11951         (Target_x86_64::Scan::global): Likewise.
11952         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11953         for TLS descriptors.
11954         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11955         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11956         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11957         GD-to-IE relaxation.
11958         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11959         and TLS_DESCRIPTORS.
11960         * Makefile.in: Rebuild.
11961         * configure: Rebuild.
11962         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11963         (tls_test_shared2.so): New target.
11964         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11965         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11966         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11967         (tls_shared_gd_to_ie_test_LDADD): New variable.
11968         (tls_shared_gnu2_gd_to_ie_test): New target.
11969         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11970         New targets.
11971         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11972         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11973         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11974         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11975         (tls_shared_gnu2_test): New target.
11976         (tls_test_gnu2_shared.so): New target.
11977         (tls_shared_gnu2_test_SOURCES): New variable.
11978         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11979         (tls_shared_gnu2_test_LDFLAGS): New variable.
11980         (tls_shared_gnu2_test_LDADD): New variable.
11981         * testsuite/Makefile.in: Rebuild.
11982         * testsuite/Makefile.
11983
11984 2008-04-11  Ian Lance Taylor  <iant@google.com>
11985
11986         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11987         justsyms.t.
11988         * testsuite/Makefile.in: Rebuild.
11989
11990         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11991         long.
11992         * testsuite/script_test_2.cc (main): Adjust test.
11993
11994 2008-04-11  David S. Miller  <davem@davemloft.net>
11995             Ian Lance Taylor  <iant@google.com>
11996
11997         * options.h (General_options): Add entries for '-Y' and
11998         '-relax'.
11999         * options.cc (General_options:finalize): If -Y was used, add those
12000         entries to the library path instead of the default "/lib" and
12001         "/usr/lib".
12002
12003 2008-04-11  David S. Miller  <davem@davemloft.net>
12004
12005         * testsuite/justsyms.t: Start at 0x100.
12006         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12007         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12008         long.
12009         * testsuite/script_test_2.cc: Adjust string and section length
12010         checks.
12011
12012 2008-04-09  Ian Lance Taylor  <iant@google.com>
12013
12014         PR gold/5996
12015         * script-sections.cc (Sections_element::allocate_to_segment): Add
12016         orphan parameter.
12017         (Output_section_definition::allocate_to_segment): Likewise.
12018         (Orphan_output_section::allocate_to_segment): Likewise.
12019         (Script_sections::attach_sections_using_phdrs_clause): Don't
12020         propagate non-PT_LOAD segments to orphan sections.
12021         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12022         readelf rather than objdump.
12023         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12024         .interp section and PT_INTERP segment are the same size.
12025         * testsuite/Makefile.in: Rebuild.
12026
12027         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12028         aliases for symbols defined in the same object.
12029         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12030         (weak_alias_test_SOURCES): New variable.
12031         (weak_alias_test_DEPENDENCIES): New variable.
12032         (weak_alias_test_LDFLAGS): New variable.
12033         (weak_alias_test_LDADD): New variable.
12034         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12035         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12036         (weak_alias_test_3.o): New target.
12037         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12038         * testsuite/weak_alias_test_main.cc: New file.
12039         * testsuite/weak_alias_test_1.cc: New file.
12040         * testsuite/weak_alias_test_2.cc: New file.
12041         * testsuite/weak_alias_test_3.cc: New file.
12042
12043 2008-04-08  Ian Lance Taylor  <iant@google.com>
12044
12045         * options.h (class General_options): Add --noinhibit-exec option.
12046         * main.cc (main): Check --noinhibit-exec.
12047
12048         * options.h (class General_options): Define --wrap as a special
12049         option.  Add wrap_symbols_ field.
12050         (General_options::any_wrap_symbols): New function.
12051         (General_options::is_wrap_symbol): New function.
12052         * options.cc (General_options::parse_wrap): New function.
12053         (General_options::General_options): Initialize wrap_symbols_.
12054         * symtab.cc (Symbol_table::wrap_symbol): New function.
12055         (Symbol_table::add_from_object): Handle --wrap.
12056         * symtab.h (class Symbol_table): Declare wrap_symbol.
12057         * target.h (Target::wrap_char): New function.
12058         (Target::Target_info): Add wrap_char field.
12059         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12060         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12061         * testsuite/testfile.cc (Target_test::test_target_info):
12062         Likewise.
12063
12064         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12065         there is one.
12066
12067         * layout.h (class Layout): Add added_eh_frame_data_ field.
12068         * layout.cc (Layout::Layout): Initialize new field.
12069         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12070         output section until we find a section we merged successfully.
12071         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12072         that the size be non-zero.
12073
12074         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12075         qualifier.
12076
12077 2008-04-08  Craig Silverstein  <csilvers@google.com>
12078
12079         * configure.ac: Export new conditional variable HAVE_ZLIB.
12080         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12081         on HAVE_ZLIB.
12082         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12083         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12084
12085 2008-04-07  Ian Lance Taylor  <iant@google.com>
12086
12087         * version.cc (version_string): Set to "1.5".
12088
12089         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12090         Add issued_non_pic_error_ field.  Declare check_non_pic.
12091         (Target_x86_64::Scan::check_non_pic): New function.
12092         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12093         (Target_x86_64::Scan::global): Likewise.
12094
12095         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12096         addend parameter.  Change caller.  Handle merge sections.
12097         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12098         Address to Addend.  Don't add in the result of
12099         local_section_offset, pass down the addend and use the returned
12100         value.
12101         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12102         Update declarations of local_section_offset and symbol_value.
12103         * testsuite/two_file_test_1.cc (t18): New function.
12104         * testsuite/two_file_test_2.cc (f18): New function.
12105         * testsuite/two_file_test_main.cc (main): Call t18.
12106         * testsuite/two_file_test.h (t18, f18): Declare.
12107
12108         * configure.ac: Don't test for objdump, c++filt, or readelf.
12109         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12110         conditionals.
12111         (TEST_READELF): New variable.
12112         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12113         (check_PROGRAMS): Add two_file_strip_test.
12114         (two_file_strip_test): New target.
12115         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12116         (two_file_same_shared_strip_test_SOURCES): New variable.
12117         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12118         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12119         (two_file_same_shared_strip_test_LDADD): New variable.
12120         (two_file_shared_strip.so): New target.
12121         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12122         (ver_test_5.syms, ver_test_7.syms): Likewise.
12123         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12124         (strip_test_3.stdout): Use TEST_OBJDUMP.
12125         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12126
12127 2008-04-04  Cary Coutant  <ccoutant@google.com>
12128
12129         * symtab.h (Symbol::is_weak_undefined): New function.
12130         (Symbol::is_strong_undefined): New function.
12131         (Symbol::is_absolute): New function.
12132         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12133         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12134         absolute symbols.
12135         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12136         (weak_undef_test): New target.
12137         * testsuite/Makefile.in: Rebuild.
12138         * testsuite/weak_undef_file1.cc: New file.
12139         * testsuite/weak_undef_file2.cc: New file.
12140         * testsuite/weak_undef_test.cc: New file.
12141
12142 2008-04-03  Craig Silverstein  <csilvers@google.com>
12143
12144         * compressed_output.h (class Output_compressed_section): Use
12145         unsigned buffer.
12146         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12147         add zlib header.
12148         (zlib_compressed_suffix): Removed.
12149         (Output_compressed_section::set_final_data_size): Use unsigned
12150         buffers.
12151         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12152         Fix linker invocation.
12153         (flagstest_o_specialfile_and_compress_debug_sections):
12154         Likewise.
12155         * testsuite/Makefile.in: Regenerated.
12156
12157 2008-04-02  David S. Miller  <davem@davemloft.net>
12158
12159         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12160         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12161
12162 2008-04-02  Craig Silverstein  <csilvers@google.com>
12163
12164         * TODO: New file.
12165
12166 2008-04-02  Ian Lance Taylor  <iant@google.com>
12167
12168         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12169         parameters.  Update for new key type to views_.  Change all
12170         callers.
12171         (File_read::read): Adjust for byteshift in returned view.
12172         (File_read::add_view): New function, broken out of
12173         find_and_make_view.
12174         (File_read::make_view): New function, broken out of
12175         find_and_make_view.
12176         (File_read::find_or_make_view): Add offset and aligned
12177         parameters.  Rewrite accordingly.  Change all callers.
12178         (File_read::get_view): Add offset and aligned parameters.  Adjust
12179         for byteshift in return value.
12180         (File_read::get_lasting_view): Likewise.
12181         * fileread.h (class File_read): Update declarations.
12182         (class File_read::View): Add byteshift_ field.  Add byteshift to
12183         constructor.  Add byteshift method.
12184         * archive.h (Archive::clear_uncached_views): New function.
12185         (Archive::get_view): Add aligned parameter.  Change all callers.
12186         * object.h (Object::get_view): Add aligned parameter.  Change all
12187         callers.
12188         (Object::get_lasting_view): Likewise.
12189
12190         * fileread.cc (File_read::release): Don't call clear_views if
12191         there are multiple objects.
12192         * fileread.h (File_read::clear_uncached_views): New function.
12193         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12194         on the archive.
12195
12196 2008-03-31  Cary Coutant  <ccoutant@google.com>
12197
12198         Add thin archive support.
12199         * archive.cc (Archive::armagt): New const.
12200         (Archive::setup): Remove task parameter and calls to unlock.
12201         (Archive::unlock_nested_archives): New function.
12202         (Archive::read_header): Add nested_off parameter. Change
12203         all callers.
12204         (Archive::interpret_header): Likewise.
12205         (Archive::include_all_members): Change to handle thin
12206         archives.
12207         (Archive::include_member): Likewise.
12208         * archive.h (Archive::Archive): Add new parameters and
12209         initializers.
12210         (Archive::armagt): New const.
12211         (Archive::setup): Remove task parameter.
12212         (Archive::unlock_nested_archives): New function.
12213         (Archive::read_header): Add nested_off parameter.
12214         (Archive::interpret_header): Likewise.
12215         (Archive::Nested_archive_table): New typedef.
12216         (Archive::is_thin_archive_): New field.
12217         (Archive::nested_archives_): New field.
12218         (Archive::options_): New field.
12219         (Archive::dirpath_): New field.
12220         (Archive::task_): New field.
12221         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12222         for thin archives.  Pass additional parameters to
12223         Archive::Archive.  Unlock the archive file after calling
12224         Archive::setup.
12225
12226 2008-03-29  Ian Lance Taylor  <iant@google.com>
12227
12228         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12229         version symbol to be local.
12230         * testsuite/ver_test_4.sh: New file.
12231         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12232         (check_DATA): Add ver_test_4.syms.
12233         (ver_test_4.syms): New target.
12234         * testsuite/Makefile.in: Rebuild.
12235
12236         * output.cc
12237         (Output_section::Input_section_sort_entry::has_priority): New
12238         function.
12239         (Output_section::Input_section_sort_entry::match_file_name): New
12240         function.
12241         (Output_section::Input_section_sort_entry::match_section_name):
12242         Remove.
12243         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12244         Remove.
12245         (Output_section::Input_section_sort_entry::match_section_file):
12246         Remove.
12247         (Output_section::Input_section_sort_compare::operator()): Rewrite
12248         using new Input_section_sort_entry functions.  Sort crtbegin and
12249         crtend first.  Sort sections with no priority before sections with
12250         a priority.
12251         * testsuite/initpri1.c (d3): Check j != 4.
12252         (cd5): New constructor/destructor function.
12253         (main): Check j != 2.
12254
12255         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12256         new symbol when resolving, don't call set_is_default.
12257         * testsuite/ver_test_7.cc: New file.
12258         * testsuite/ver_test_7.sh: New file.
12259         * testsuite/Makefile.am (ver_test_7.so): New target.
12260         (ver_test_7.o): New target.
12261         (check_SCRIPTS): Add ver_test_7.sh.
12262         (check_DATA): Add ver_test_7.syms.
12263         (ver_test_7.syms): New target.
12264
12265 2008-03-28  Ian Lance Taylor  <iant@google.com>
12266
12267         * layout.cc (Layout::layout): If we see an input section with a
12268         name that needs sorting, set the must_sort flag for the output
12269         section.
12270         (Layout::make_output_section): If the name of the output section
12271         indicates that it might require sorting, set the may_sort flag.
12272         * output.h (Output_section::may_sort_attached_input_sections): New
12273         function.
12274         (Output_section::set_may_sort_attached_input_sections): New
12275         function.
12276         (Output_section::must_sort_attached_input_sections): New
12277         function.
12278         (Output_section::set_must_sort_attached_input_sections): New
12279         function.
12280         (class Output_section): Declare Input_section_sort_entry.  Define
12281         Input_section_sort_compare.  Declare
12282         sort_attached_input_sections.  Add new fields:
12283         may_sort_attached_input_sections_,
12284         must_sort_attached_input_sections_,
12285         attached_input_sections_are_sorted_.
12286         * output.cc (Output_section::Output_section): Initialize new
12287         fields.
12288         (Output_section::add_input_section): Add an entry to
12289         input_sections_ if may_sort or must_sort are true.
12290         (Output_section::set_final_data_size): Call
12291         sort_attached_input_sections if necessary.
12292         (Output_section::Input_section_sort_entry): Define new class.
12293         (Output_section::Input_section_sort_compare::operator()): New
12294         function.
12295         (Output_section::sort_attached_input_sections): New function.
12296         * configure.ac: Check whether the compiler supports constructor
12297         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12298         * testsuite/initpri1.c: New file.
12299         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12300         CONSTRUCTOR_PRIORITY.
12301         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12302         (initpri1_LDFLAGS): New variable.
12303         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12304
12305 2008-03-27  Ian Lance Taylor  <iant@google.com>
12306
12307         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12308         * testsuite/common_test_1.c: New file.
12309         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12310         (common_test_1_SOURCES): New variable.
12311         (common_test_1_DEPENDENCIES): New variable.
12312         (common_test_1_LDFLAGS): New variable.
12313
12314         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12315         and commons_ correctly when NAME/VERSION does not override
12316         NAME/NULL.
12317         * testsuite/ver_test_6.c: New file.
12318         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12319         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12320         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12321
12322 2008-03-26  Ian Lance Taylor  <iant@google.com>
12323
12324         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12325         of an undefined symbol from a version script.
12326         * testsuite/Makefile.am (ver_test_5.so): New target.
12327         (ver_test_5.o): New target.
12328         (check_SCRIPTS): Add ver_test_5.sh.
12329         (check_DATA): Add ver_test_5.syms.
12330         (ver_test_5.syms): New target.
12331         * testsuite/ver_test_5.cc: New file.
12332         * testsuite/ver_test_5.script: New file.
12333         * testsuite/ver_test_5.sh: New file.
12334         * Makefile.in, testsuite/Makefile.in: Rebuild.
12335
12336         PR gold/5986
12337         Fix problems building gold with gcc 4.3.0.
12338         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12339         (gold_error_at_location, gold_warning_at_location): Use it.
12340         * configure.ac: Check whether we can compile and use a template
12341         function with a printf attribute.
12342         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12343         when jumping over bytes.
12344         * object.cc: Instantiate Object::read_section_data.
12345         * debug.h: Include <cstring>
12346         * dwarf_reader.cc: Include <algorithm>
12347         * main.cc: Include <cstring>.
12348         * options.cc: Include <cstring>.
12349         * output.cc: Include <cstring>.
12350         * script.cc: Include <cstring>.
12351         * script.h: Include <string>.
12352         * symtab.cc: Include <cstring> and <algorithm>.
12353         * target-select.cc: Include <cstring>.
12354         * version.cc: Include <string>.
12355         * testsuite/testmain.cc: Include <cstdlib>.
12356         * configure, config.in: Rebuild.
12357
12358 2008-03-25  Ian Lance Taylor  <iant@google.com>
12359
12360         * options.cc: Include "../bfd/bfdver.h".
12361         (options::help): Print bug reporting address.
12362
12363         * version.cc (print_version): Adjust output for current value of
12364         BFD_VERSION_STRING.
12365
12366         * NEWS: New file.
12367
12368         * options.cc (options::help): Print list of supported targets.
12369         * target-select.h: Include <vector>.
12370         (class Target_selector): Make machine_, size_, and is_big_endian_
12371         fields const.  Add bfd_name_ and instantiated_target_ fields.
12372         (Target_selector::Target_selector): Add bfd_name parameter.
12373         (Target_selector::recognize): Make non-virtual, call
12374         do_recognize.
12375         (Target_selector::recognize_by_name): Make non-virtual, call
12376         do_recognize_by_name.
12377         (Target_selector::supported_names): New function.
12378         (Target_selector::bfd_name): New function.
12379         (Target_selector::do_instantiate_target): New pure virtual
12380         function.
12381         (Target_selector::do_recognize): New virtual function.
12382         (Target_selector::do_recognize_by_name): New virtual function.
12383         (Target_selector::instantiate_target): New private function.
12384         (supported_target_names): Declare.
12385         * target-select.cc (Target_selector::Target_selector): Update for
12386         new parameter and fields.
12387         (select_target_by_name): Check that the name matches before
12388         calling recognize_by_name.
12389         (supported_target_names): New function.
12390         * i386.cc (class Target_selector_i386): Update Target_selector
12391         constructor call.  Remove recognize and recognize_by_name.  Add
12392         do_instantiate_target.
12393         * x86_64.cc (class Target_selector_x86_64): Likewise.
12394         * testsuite/testfile.cc (class Target_selector_test): Update for
12395         changes to Target_selector.
12396
12397         * README: Rewrite, with some notes on unsupported features.
12398
12399 2008-03-24  Cary Coutant  <ccoutant@google.com>
12400
12401         * i386.cc (Target_i386::Got_type): New enum declaration.
12402         (Target_i386::Scan::local): Updated callers of Output_data_got
12403         member functions.
12404         (Target_i386::Scan::global): Likewise.
12405         (Target_i386::Relocate::relocate): Likewise.
12406         (Target_i386::Relocate::relocate_tls): Likewise.
12407         * object.h (Got_offset_list): New class.
12408         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12409         (Sized_relobj::local_got_offset): Likewise.
12410         (Sized_relobj::set_local_got_offset): Likewise.
12411         (Sized_relobj::local_has_tls_got_offset): Removed.
12412         (Sized_relobj::local_tls_got_offset): Removed.
12413         (Sized_relobj::set_local_tls_got_offset): Removed.
12414         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12415         * output.cc (Output_data_got::add_global): Added got_type parameter.
12416         (Output_data_got::add_global_with_rel): Likewise.
12417         (Output_data_got::add_global_with_rela): Likewise.
12418         (Output_data_got::add_global_pair_with_rel): New function.
12419         (Output_data_got::add_global_pair_with_rela): New function.
12420         (Output_data_got::add_local): Added got_type parameter.
12421         (Output_data_got::add_local_with_rel): Likewise.
12422         (Output_data_got::add_local_with_rela): Likewise.
12423         (Output_data_got::add_local_pair_with_rel): New function.
12424         (Output_data_got::add_local_pair_with_rela): New function.
12425         (Output_data_got::add_global_tls): Removed.
12426         (Output_data_got::add_global_tls_with_rel): Removed.
12427         (Output_data_got::add_global_tls_with_rela): Removed.
12428         (Output_data_got::add_local_tls): Removed.
12429         (Output_data_got::add_local_tls_with_rel): Removed.
12430         (Output_data_got::add_local_tls_with_rela): Removed.
12431         * output.h (Output_data_got::add_global): Added got_type parameter.
12432         (Output_data_got::add_global_with_rel): Likewise.
12433         (Output_data_got::add_global_with_rela): Likewise.
12434         (Output_data_got::add_global_pair_with_rel): New function.
12435         (Output_data_got::add_global_pair_with_rela): New function.
12436         (Output_data_got::add_local): Added got_type parameter.
12437         (Output_data_got::add_local_with_rel): Likewise.
12438         (Output_data_got::add_local_with_rela): Likewise.
12439         (Output_data_got::add_local_pair_with_rel): New function.
12440         (Output_data_got::add_local_pair_with_rela): New function.
12441         (Output_data_got::add_global_tls): Removed.
12442         (Output_data_got::add_global_tls_with_rel): Removed.
12443         (Output_data_got::add_global_tls_with_rela): Removed.
12444         (Output_data_got::add_local_tls): Removed.
12445         (Output_data_got::add_local_tls_with_rel): Removed.
12446         (Output_data_got::add_local_tls_with_rela): Removed.
12447         * resolve.cc (Symbol::override_base_with_special): Removed
12448         reference to has_got_offset_ field.
12449         * symtab.cc (Symbol::init_fields): Replaced initialization
12450         of got_offset_ with got_offsets_.  Removed initialization
12451         of has_got_offset_
12452         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12453         (Symbol::got_offset): Likewise.
12454         (Symbol::set_got_offset): Likewise.
12455         (Symbol::has_tls_got_offset): Removed.
12456         (Symbol::tls_got_offset): Removed.
12457         (Symbol::set_tls_got_offset): Removed.
12458         (Symbol::got_offset_): Removed.
12459         (Symbol::tls_mod_got_offset_): Removed.
12460         (Symbol::tls_pair_got_offset_): Removed.
12461         (Symbol::got_offsets_): New field.
12462         (Symbol::has_got_offset): Removed.
12463         (Symbol::has_tls_mod_got_offset): Removed.
12464         (Symbol::has_tls_pair_got_offset): Removed.
12465         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12466         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12467         member functions.
12468         (Target_x86_64::Scan::global): Likewise.
12469         (Target_x86_64::Relocate::relocate): Likewise.
12470         (Target_x86_64::Relocate::relocate_tls): Likewise.
12471
12472 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12473
12474         * yyscript.y: Fix spelling error in comment.
12475
12476 2008-03-24  Ian Lance Taylor  <iant@google.com>
12477
12478         * options.h (class General_options): Define build_id option.
12479         * layout.h (class Layout): Declare write_build_id, create_note,
12480         create_build_id.  Add build_id_note_ member.
12481         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12482         "libiberty.h", "md5.h", "sha1.h".
12483         (Layout::Layout): Initialize eh_frame_data_,
12484         eh_frame_hdr_section_, and build_id_note_.
12485         (Layout::finalize): Call create_build_id.
12486         (Layout::create_note): New function, broken out of
12487         Layout::create_gold_note.
12488         (Layout::create_gold_note): Call create_note.
12489         (Layout::create_build_id): New function.
12490         (Layout::write_build_id): New function.
12491         (Close_task_runner::run): Call write_build_id.
12492
12493         * x86_64.cc: Correct license to GPLv3.
12494
12495 2008-03-23  Ian Lance Taylor  <iant@google.com>
12496
12497         * options.cc: Include "demangle.h".
12498         (parse_optional_string): New function.
12499         (parse_long_option): Handle takes_optional_argument.
12500         (parse_short_option): Update dash_z initializer.  Handle
12501         takes_optional_argument.
12502         (General_options::General_options): Initialize do_demangle_.
12503         (General_options::finalize): Set do_demangle_.  Handle demangling
12504         style.
12505         * options.h (parse_optional_string): Declare.
12506         (struct One_option): Add optional_arg field.  Update constructor.
12507         Update call constructor calls.  Add takes_optional_argument
12508         function.
12509         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12510         (DEFINE_optional_string): Define.
12511         (General_options::demangle): Change from DEFINE_bool to
12512         DEFINE_optional_string.
12513         (General_options::no_demangle): New function.
12514         (General_options::do_demangle): New function.
12515         (General_options::set_do_demangle): New function.
12516         (General_options::execstack_status_): Move definition to end of
12517         class definition.
12518         (General_options::static_): Likewise.
12519         (General_options::do_demangle_): New field.
12520         * object.cc (big_endian>::get_symbol_location_info): Call
12521         Options::do_demangle, not Options::demangle.
12522         * symtab.cc (demangle): Likewise.
12523
12524 2008-03-22  Ian Lance Taylor  <iant@google.com>
12525
12526         * gold.h: Include <cstddef> and <sys/types.h>
12527         * options.h: Include <cstring>.
12528
12529 2008-03-21  Ian Lance Taylor  <iant@google.com>
12530
12531         * Added source code to GNU binutils.