gold/ChangeLog

   1 2016-12-22  Cary Coutant  <ccoutant@gmail.com>
   2
   3         PR gold/17643
   4         * options.h (-z bndplt): New option.
   5         * x86_64.cc (Output_data_plt_x86_64::regular_count): New method.
   6         (Output_data_plt_x86_64::address_for_global): Move implementation into
   7         virtual method.
   8         (Output_data_plt_x86_64::address_for_local): Likewise.
   9         (Output_data_plt_x86_64::got): New method.
  10         (Output_data_plt_x86_64::got_plt): New method.
  11         (Output_data_plt_x86_64::got_irelative): New method.
  12         (Output_data_plt_x86_64::do_address_for_global): New virtual method.
  13         (Output_data_plt_x86_64::do_address_for_local): New virtual method.
  14         (class Output_data_plt_x86_64_bnd): New class.
  15         (Target_x86_64::do_make_data_plt): Move out of line and specialize
  16         for each size (both overloads).
  17         (Output_data_plt_x86_64::set_final_data_size): Cosmetic changes.
  18         * testsuite/Makefile.am (bnd_plt_1): New test case.
  19         (bnd_ifunc_1): New test case.
  20         (bnd_ifunc_2): New test case.
  21         * testsuite/Makefile.in: Regenerate.
  22         * testsuite/bnd_ifunc_1.s: New source file.
  23         * testsuite/bnd_ifunc_1.sh: New shell script.
  24         * testsuite/bnd_ifunc_2.s: New source file.
  25         * testsuite/bnd_ifunc_2.sh: New shell script.
  26         * testsuite/bnd_plt_1.s: New source file.
  27         * testsuite/bnd_plt_1.sh: New shell script.
  28
  29 2016-12-22  Cary Coutant  <ccoutant@gmail.com>
  30
  31         * layout.cc (Layout::finalize): Track count of forced-local symbols
  32         in .dynsym.
  33         (Layout::create_symtab_sections): Add local_dynamic_count parameter;
  34         use that instead of sh_info value.
  35         (Layout::create_dynamic_symtab): Add pforced_local_dynamic_count
  36         parameter; pass it to Symtab::set_dynsym_indexes().  Include forced
  37         locals in sh_info value.  Pass index of first real global to
  38         Dynobj::create_gnu_hash_table() and Dynobj::create_elf_hash_table().
  39         * layout.h (Layout::create_symtab_sections): Add local_dynamic_count
  40         parameter.
  41         (Layout::create_dynamic_symtab): Add pforced_local_dynamic_count
  42         parameter.
  43         * symtab.cc (Symbol_table::set_dynsym_indexes): Add pforced_local_count
  44         parameter.  Process forced-local symbols first and return the count.
  45         (Symbol_table::finalize): Update comments.
  46         * symtab.h (Symbol_table::set_dynsym_indexes): Add pforced_local_count
  47         parameter.
  48         (Symbol_table::first_dynamic_global_index_): Update comment.
  49         (Symbol_table::dynamic_count_): Update comment.
  50         * testsuite/Makefile.am (ifuncmod1.sh): New test case.
  51         * testsuite/Makefile.in: Regenerate.
  52         * testsuite/ifuncmod1.sh: New shell script.
  53
  54 2016-12-21  Cary Coutant  <ccoutant@gmail.com>
  55
  56         * symtab.cc (Symbol_table::define_special_symbol): Add is_forced_local
  57         parameter; if set, do not check version script.
  58         (Symbol_table::do_define_in_output_data): Pass is_forced_local for
  59         STB_LOCAL predefined symbols.
  60         (Symbol_table::do_define_in_output_segment): Likewise.
  61         (Symbol_table::do_define_in_output_segment): Likewise.
  62         (Symbol_table::do_define_as_constant): Likewise.
  63         * symtab.h (Symbol_table::define_special_symbol): Add is_forced_local
  64         parameter. Adjust all callers.
  65         * testsuite/Makefile.am (ver_test_8.sh): New test case.
  66         * testsuite/Makefile.in: Regenerate.
  67         * ver_test_8.sh: New test script.
  68
  69 2016-12-21  Cary Coutant  <ccoutant@gmail.com>
  70
  71         * output.cc (Output_segment::first_section): Return NULL if there are
  72         no sections in the segment.
  73         * output.h (Output_segment::first_section_load_address): Assert that
  74         first section is not NULL.
  75         * symtab.cc (Symbol_table::sized_write_globals): Attach linker-created
  76         segment-relative symbols to first section of the segment.
  77
  78 2016-12-21  Alan Modra  <amodra@gmail.com>
  79
  80         * arm.cc: Fix comment chars with high bit set.
  81
  82 2016-12-20  Cary Coutant  <ccoutant@gmail.com>
  83
  84         * testsuite/Makefile.am: Add missing dependencies on gcctestdir/ld
  85         or ../ld-new.
  86         * testsuite/Makefile.in: Regenerate.
  87
  88 2016-12-19  Cary Coutant  <ccoutant@gmail.com>
  89
  90         PR gold/20949
  91         * script.cc (Lex::get_token): Don't look ahead past NUL characters.
  92
  93 2016-12-19  Cary Coutant  <ccoutant@gmail.com>
  94
  95         PR gold/14676
  96         PR gold/20983
  97         * layout.h (Layout::choose_output_section): Add match_input_spec
  98         parameter. Adjust all callers.
  99         * layout.cc (Layout::choose_output_section): Likewise.  Pass
 100         match_input_spec to Script_sections::output_section_name().
 101         (Layout::create_note): Pass true for match_input_spec.
 102         * script-sections.h (Script_sections::output_section_name): Add
 103         match_input_spec parameter.
 104         * script-sections.cc (Sections_element::output_section_name): Likewise.
 105         (Output_section_definition::output_section_name): Likewise.
 106         (Script_sections::output_section_name): Likewise.
 107
 108 2016-12-19  Igor Kudrin  <ikudrin@accesssoftek.com>
 109
 110         * arm.cc (Target_arm::Target_arm): Move initialization code ...
 111         (Target_arm::do_select_as_default_target): ... to here.
 112         * testsuite/Makefile.am (arm_target_lazy_init): New test case.
 113         * testsuite/Makefile.in: Regenerate.
 114         * testsuite/arm_target_lazy_init.s: New source file.
 115         * testsuite/arm_target_lazy_init.t: New linker script.
 116
 117 2016-12-19  Cary Coutant  <ccoutant@gmail.com>
 118
 119         PR gold/20976
 120         * symtab.cc (Symbol_table::sized_write_globals): Use address of
 121         output section, not input section.
 122         * testsuite/Makefile.am (pr20976): New test case.
 123         * testsuite/Makefile.in: Regenerate.
 124         * testsuite/pr20976.c: New source file.
 125
 126 2016-12-13  Cary Coutant  <ccoutant@gmail.com>
 127
 128         PR gold/20749
 129         * options.h (--orphan-handling): New option.
 130         (General_options::Orphan_handling): New enum.
 131         (General_options::orphan_handling_enum): New method.
 132         (General_options::set_orphan_handling_enum): New method.
 133         (General_options::orphan_handling_enum_): New data member.
 134         * options.cc (General_options::General_options): Initialize new member.
 135         (General_options::finalize): Convert --orphan-handling argument to enum.
 136         * script-sections.cc (Script_sections::output_section_name): Check it.
 137
 138 2016-12-13  Cary Coutant  <ccoutant@gmail.com>
 139
 140         PR gold/20522
 141         * layout.cc (Layout::choose_output_section): Add is_reloc parameter.
 142         Adjust all callers.  Do not use linker script for is_reloc sections.
 143         (Layout::layout_reloc): Pass is_reloc == true.
 144         * layout.h (Layout::choose_output_section): Add is_reloc parameter.
 145
 146 2016-12-12  Igor Kudrin  <ikudrin@accesssoftek.com>
 147             Cary Coutant  <ccoutant@gmail.com>
 148
 149         PR gold/14676
 150         * script-sections.cc (Output_section_definition::output_section_name):
 151         For linker-generated sections, compare with output section name.
 152         * testsuite/Makefile.am (script_test_13): New test.
 153         * testsuite/Makefile.in: Regenerate.
 154         * testsuite/script_test_13.c: New source file.
 155         * testsuite/script_test_13.sh: New script.
 156         * testsuite/script_test_13.t: New linker script.
 157
 158 2016-12-12  Cary Coutant  <ccoutant@gmail.com>
 159
 160         * script-sections.cc (Orphan_section_placement::update_last_alloc):
 161         New method.
 162         (Orphan_section_placement::find_place): Place orphan .data section
 163         after either RODATA or TEXT.
 164         (Script_sections::place_orphan): Call update_last_alloc for allocated
 165         sections.
 166         (Script_sections::create_segments): Improve handling of BSS.
 167
 168 2016-12-13  Alan Modra  <amodra@gmail.com>
 169
 170         PR gold/16711
 171         * testsuite/script_test_15a.sh: Allows larger p_filesz.
 172         * testsuite/script_test_15b.sh: Likewise.
 173         * testsuite/script_test_15c.sh: Likewise.
 174
 175 2016-12-13  Alan Modra  <amodra@gmail.com>
 176
 177         PR gold/20717
 178         * testsuite/pr20717.t: Add .got output section containing .toc.
 179
 180 2016-12-11  Igor Kudrin  <ikudrin@accesssoftek.com>
 181
 182         PR gold/20717
 183         * testsuite/Makefile.am (pr20717): New test.
 184         * testsuite/Makefile.in: Regenerate.
 185         * testsuite/pr20717.c: New test source file.
 186         * testsuite/pr20717.sh: New test script.
 187         * testsuite/pr20717.t: New test linker script.
 188
 189 2016-12-11  Cary Coutant  <ccoutant@gmail.com>
 190
 191         PR gold/16711
 192         * output.cc (Output_section::set_final_data_size): Calculate data size
 193         based on relative offset rather than file offset.
 194         (Output_segment::set_section_addresses): Track file offset separately
 195         from address offset.
 196         (Output_segment::set_section_list_addresses): Add pfoff parameter.
 197         Track file offset separately.  Don't move file offset for BSS
 198         sections.
 199         * output.h (Output_segment::set_section_list_addresses): Add pfoff
 200         parameter.
 201         * script-sections.cc (Orphan_section_placement): Add PLACE_LAST_ALLOC.
 202         (Orphan_section_placement::Orphan_section_placement): Initialize it.
 203         (Orphan_section_placement::output_section_init): Track last allocated
 204         section.
 205         (Orphan_section_placement::find_place): Place BSS after last allocated
 206         section.
 207         (Output_section_element_input::set_section_addresses): Always override
 208         input section alignment when SUBALIGN is specified.
 209         (Output_section_definition::set_section_addresses): Override alignment
 210         of output section when SUBALIGN is specified.
 211
 212         * testsuite/Makefile.am (script_test_15a, script_test_15b)
 213         (script_test_15c): New test cases.
 214         * testsuite/Makefile.in: Regenerate.
 215         * testsuite/script_test_2.cc: Adjust expected layout.
 216         * testsuite/script_test_15.c: New source file.
 217         * testsuite/script_test_15a.sh: New shell script.
 218         * testsuite/script_test_15a.t: New linker script.
 219         * testsuite/script_test_15b.sh: New shell script.
 220         * testsuite/script_test_15b.t: New linker script.
 221         * testsuite/script_test_15c.sh: New shell script.
 222         * testsuite/script_test_15c.t: New linker script.
 223
 224 2016-12-08  Alan Modra  <amodra@gmail.com>
 225
 226         * powerpc.cc (Powerpc_relobj::stub_table): Return NULL rather
 227         then asserting.
 228
 229 2016-12-08  Alan Modra  <amodra@gmail.com>
 230
 231         * options.h (--stub-group-multi): Fix typo.
 232
 233 2016-12-07  Alan Modra  <amodra@gmail.com>
 234
 235         * options.h (--stub-group-multi): New PowerPC option.
 236         * powerpc.cc (Stub_control): Add multi_os_ var and param
 237         to constructor.  Sort start_ var later.  Comment State.
 238         (Stub_control::can_add_to_stub_group): Heed multi_os_.
 239         (Target_powerpc::group_sections): Update.
 240
 241 2016-12-07  Alan Modra  <amodra@gmail.com>
 242
 243         PR gold/20878
 244         * powerpc.cc (Stub_control): Replace stubs_always_before_branch_
 245         with stubs_always_after_branch_, group_end_addr_ with
 246         group_start_addr_.
 247         (Stub_control::can_add_to_stub_group): Rewrite to suit scanning
 248         sections by increasing address.
 249         (Target_powerpc::group_sections): Scan that way.  Delete corner
 250         case.
 251         * options.h (--stub-group-size): Update help string.
 252
 253 2016-12-07  Alan Modra  <amodra@gmail.com>
 254
 255         * powerpc.cc (Stub_table_owner): Provide constructor.
 256         (Powerpc_relobj::set_stub_table): Resize fill with -1.
 257         (Target_powerpc::Branch_info::make_stub): Provide target debug
 258         output on returning false.
 259
 260 2016-12-05  Cary Coutant  <ccoutant@gmail.com>
 261             Tristan Gingold  <gingold@adacore.com>
 262
 263         * object.cc (Sized_relobj_file::do_count_local_symbols): Check
 264         is_ordinary before using shndx.
 265         * testsuite/Makefile.am (file_in_many_sections_test.sh): New test case.
 266         * testsuite/Makefile.in: Regenerate.
 267         * testsuite/file_in_many_sections.c: New source file.
 268         * testsuite/file_in_many_sections_test.sh: New script.
 269
 270 2016-12-01  Cary Coutant  <ccoutant@gmail.com>
 271             Igor Kudrin  <ikudrin@accesssoftek.com>
 272
 273         PR gold/20717
 274         * script-sections.cc (Script_sections): Set *keep to false when
 275         no match.
 276
 277 2016-12-01  Cary Coutant  <ccoutant@gmail.com>
 278
 279         PR gold/20834
 280         * target.h (Target::default_text_segment_address): Bump default
 281         start address up to ABI page size.
 282
 283 2016-12-01  Cary Coutant  <ccoutant@gmail.com>
 284
 285         PR gold/18989
 286         * options.cc (General_options::object_format_to_string): New function.
 287         (General_options::copy_from_posdep_options): New function.
 288         (General_options::parse_push_state): New function.
 289         (General_options::parse_pop_state): New function.
 290         * options.h (--push-state, --pop-state): New options.
 291         (General_options::object_format_to_string): New method.
 292         (General_options::set_incremental_disposition): New method.
 293         (General_options::copy_from_posdep_options): New method.
 294         (General_options::options_stack_): New data member.
 295
 296 2016-12-01  Cary Coutant  <ccoutant@gmail.com>
 297
 298         PR gold/20807
 299         * aarch64.cc (Target_aarch64::scan_reloc_section_for_stubs): Handle
 300         section symbols correctly.
 301         * arm.cc (Target_arm): Likewise.
 302         * powerpc.cc (Target_powerpc): Likewise.
 303
 304 2016-11-27  Ambrogino Modigliani  <ambrogino.modigliani@gmail.com>
 305
 306         * aarch64-reloc.def: Fix spelling in comments.
 307
 308 2016-11-27  Ambrogino Modigliani  <ambrogino.modigliani@gmail.com>
 309
 310         * aarch64.cc: Fix spelling in comments.
 311         * arm.cc: Fix spelling in comments.
 312         * icf.cc: Fix spelling in comments.
 313         * layout.cc: Fix spelling in comments.
 314         * layout.h: Fix spelling in comments.
 315         * mips.cc: Fix spelling in comments.
 316         * output.h: Fix spelling in comments.
 317         * plugin.h: Fix spelling in comments.
 318         * script-sections.h: Fix spelling in comments.
 319         * script.h: Fix spelling in comments.
 320         * stringpool.h: Fix spelling in comments.
 321         * tilegx.cc: Fix spelling in comments.
 322
 323 2016-11-22  Cary Coutant  <ccoutant@gmail.com>
 324
 325         PR gold/20346
 326         * options.cc (One_option::print): Print "(default)" when appropriate.
 327         * options.h: Clean up and re-sort options.
 328         (One_option::is_default): New data member.
 329         (One_option::One_option): Add is_default parameter; adjust all calls.
 330         (DEFINE_var): Add is_default__ parameter; adjust all calls.
 331         (DEFINE_bool): Set is_default based on default_value__.
 332         (DEFINE_bool_ignore): New macro.
 333         (--no-eh-frame-hdr): New option.
 334         (--enable-new-dtags): Remove mention of DT_FLAGS.
 335
 336 2016-11-22  Ambrogino Modigliani  <ambrogino.modigliani@gmail.com>
 337
 338         * configure: Regenerate.
 339
 340 2016-11-21  Cary Coutant  <ccoutant@gmail.com>
 341
 342         PR gold/20693
 343         * gold.cc (queue_middle_tasks): Force valid target earlier.
 344
 345 2016-11-21  Igor Kudrin  <ikudrin@accesssoftek.com>
 346
 347         * layout.cc: Include windows.h and rpcdce.h (for MinGW32).
 348         (Layout::create_build_id): Generate uuid using UuidCreate().
 349
 350 2016-11-04  Loïc Yhuel <loic.yhuel@softathome.com>
 351
 352         * configure.ac: add missing '$'.
 353         * configure: Regenerate.
 354
 355 2016-10-21  Gergely Nagy  <ngg@tresorit.com>
 356
 357         PR gold/17704
 358         * icf.cc (match_sections): Add new parameter section_addraligns.
 359         Check section alignment and keep the section with the strictest
 360         alignment.
 361         (find_identical_sections): New local variable section_addraligns.
 362         Store each section's alignment.
 363         * testsuite/pr17704a_test.s: New file.
 364         * testsuite/Makefile.am (pr17704a_test): New test.
 365         * testsuite/Makefile.in: Regenerate.
 366
 367 2016-10-06  Alan Modra  <amodra@gmail.com>
 368
 369         * powerpc.cc (Target_powerpc::Relocate::relocate): Add fall
 370         through comment.
 371         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
 372
 373 2016-10-06  Alan Modra  <amodra@gmail.com>
 374
 375         * aarch64.cc: Spell fall through comments as "// Fall through.".
 376         * arm.cc: Likewise.
 377         * mips.cc: Likewise.
 378         * powerpc.cc: Likewise.
 379         * s390.cc: Likewise.
 380         * sparc.cc: Likewise.
 381         * x86_64.cc: Likewise.
 382         * powerpc.cc (Target_powerpc::Relocate::relocate): Add missing
 383         fall through comments.
 384         * sparc.cc: (Target_sparc::Scan::global): Likewise.
 385         (Target_sparc::Relocate::relocate): Likewise.
 386         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
 387         * resolve.cc (symbol_to_bits): Add missing break.
 388
 389 2016-09-26  Cary Coutant  <ccoutant@gmail.com>
 390
 391         PR gold/20238
 392         * symtab.cc (Symbol_table::define_default_version): Check that
 393         unversioned symbol is defined.
 394
 395 2016-09-26  Vlad Zakharov  <vzakhar@synopsys.com>
 396
 397         * Makefile.in: Regenerate.
 398         * configure: Likewise.
 399         * testsuite/Makefile.in: Likewise.
 400
 401 2016-09-26  Alan Modra  <amodra@gmail.com>
 402
 403         * aarch64.cc (Target_aarch64::is_erratum_835769_sequence): Avoid
 404         compiler warning.
 405         * output.cc (Output_segment::set_section_addresses): Likewise.
 406         * testsuite/Makefile.in: Regenerate.
 407
 408 2016-09-02  Doug Kwan  <dougkwan@google.com>
 409
 410         * arm.cc (Target_arm::Target_arm): Move method definition outside of
 411         class definition.  Add code to handle --target1-rel, --target1-abs
 412         and --target2= options.
 413         (Target_arm::get_reloc_reloc_type): Change method to be non-static
 414         and const.
 415         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
 416         member declaration.
 417         (Target_arm::Scan::local, Target_arm::Scan::global,
 418         Target_arm::Relocate::relocate,
 419         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
 420         call to Target_arm::get_real_reloc_type.
 421         (Target_arm::get_real_reloc_type): Use command line options to
 422         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
 423         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
 424         options.
 425
 426 2016-08-31  Alan Modra  <amodra@gmail.com>
 427
 428         * powerpc.cc (class Stub_control): Delete stub14_group_size_
 429         and has14_.  Add group_size_.
 430         (Stub_control::can_add_to_stub_group): Adjust to suit.  Print
 431         debug info when switching to adding sections before stubs.
 432
 433 2016-08-31  Alan Modra  <amodra@gmail.com>
 434
 435         * debug.h (DEBUG_TARGET): New.
 436         (DEBUG_ALL): Add DEBUG_TARGET.
 437         (gold_debug): Delete FORMAT param.
 438         * powerpc.cc (Stub_control::can_add_to_stub_group): Print debug ourput.
 439
 440 2016-08-30  Alan Modra  <amodra@gmail.com>
 441
 442         PR 20523
 443         * powerpc.cc (class Stub_control): Add has14_.  Comment owner_.
 444         (Stub_control::can_add_to_stub_group): Correct grouping of
 445         sections containing 14-bit external branches.  When returning
 446         false, set state_ to reflect the fact that we have one section
 447         for the next group.  Rewrite most of function for clarity.
 448         Add and expand comments.
 449         (Target_powerpc::do_relax): Print stub group size retry in hex.
 450
 451 2016-08-26  Han Shen  <shenhan@google.com>
 452
 453         PR gold/20529 - relaxing loop never ends.
 454
 455         * powerpc.cc (Stub_table::min_size_threshold_): New member to
 456         limit size.
 457         (Stub_table::set_min_size_threshold): New member function.
 458         (Stub_table::set_address_and_size): Add code to only allow size
 459         increase.
 460         (Target_powerpc::do_relax): Add code to record last size.
 461
 462 2016-08-23  Roland McGrath  <roland@hack.frob.com>
 463
 464         * options.h (General_options): Grok -z stack-size.
 465         * output.h (Output_segment::set_size): New method.
 466         * layout.cc (Layout::create_executable_stack_info): Renamed to ...
 467         (Layout::create_stack_segment): ... this.  Always create the
 468         segment if -z stack-size was used.
 469         (Layout::set_segment_offsets): Don't call ->set_offset on the
 470         PT_GNU_STACK segment.
 471
 472 2016-08-15  Bharathi Seshadri  <bseshadr@cisco.com>
 473
 474         * options.h (General_options): Add --be8 option.
 475         * arm.cc (Arm_relobj::do_relocate_sections): Add code to swap for be8.
 476         (Output_data_plt_arm_standard::do_fill_first_plt_entry): Likewise.
 477         (Output_data_plt_arm_short::do_fill_plt_entry): Likewise.
 478         (Output_data_plt_arm_long::do_fill_plt_entry): Likewise.
 479         (Target_arm::do_adjust_elf_header): Do EF_ARM_BE8 adjustment.
 480
 481 2016-08-17  Cary Coutant  <ccoutant@gmail.com>
 482
 483         * i386.cc (Target_i386): Reset skip_call_tls_get_addr_ after printing
 484         error message.
 485         * testsuite/Makefile.am (pr20216a): Add missing dependencies.
 486         (pr20308a): Add -Bgcctestdir/ to compile rules.
 487         * testsuite/Makefile.in: Regenerate.
 488
 489 2016-08-12  Roland McGrath  <roland@hack.frob.com>
 490
 491         PR gold/20462
 492         * script-sections.cc (Script_sections::release_segments):
 493         Reset this->segments_created_.
 494
 495 2016-08-12  Roland McGrath  <roland@hack.frob.com>
 496
 497         * yyscript.y (HIDDEN): New %token.
 498         (assignment): Handle HIDDEN(string = expr) syntax.
 499         * script.cc (script_keyword_parsecodes): Add HIDDEN.
 500
 501 2016-08-10  Cary Coutant  <ccoutant@gmail.com>
 502
 503         PR gold/20216
 504         * x86_64.cc (Target_x86_64::Relocate::relocate): Add check for
 505         R_X86_64_GOTPCREL. Reset skip_call_tls_get_addr_ after printing
 506         error message.
 507         * testsuite/Makefile.am (pr20216_gd.o): Add -Bgcctestdir/.
 508         (pr20216_ld.o): Likewise.
 509         * testsuite/Makefile.in: Regenerate.
 510
 511 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 512
 513         PR gold/20443
 514         * symtab.cc (Symbol_table::add_from_relobj): Handle NULL symbols,
 515         which will be present for STT_SPARC_REGISTER.
 516         (Symbol_table::add_from_pluginobj): Likewise.
 517         (Symbol_table::add_from_dynobj): Likewise.
 518         (Symbol_table::add_from_incrobj): Removed dead code.
 519
 520 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 521
 522         PR gold/20442
 523         * sparc.cc (Target_sparc::Relocate::relocate): R_SPARC_GOTDATA_OP_LOX10
 524         should fall back on R_SPARC_GOT10, not R_SPARC_GOT13.
 525
 526 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 527
 528         PR gold/20441
 529         * sparc.cc (Target_sparc::Scan::check_non_pic): Allow R_SPARC_32 on
 530         sparc64.
 531
 532 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 533
 534         PR gold/20310
 535         * testsuite/dynamic_list.sh: Remove check for _ZdlPv.
 536
 537 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 538
 539         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add eh_test_2.
 540         * testsuite/Makefile.in: Regenerate.
 541
 542 2016-06-30  Alan Modra  <amodra@gmail.com>
 543
 544         * testsuite/Makefile.am (memory_test, memory_test_2): Pass
 545         -Wl,-z to gcc, not plain -z.
 546         * testsuite/Makefile.in: Regenerate.
 547
 548 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 549
 550         PR gold/20308
 551         * i386.cc (Target_i386::Relocate::relocate): Allow
 552         R_386_GOT32X relocation against ___tls_get_addr.
 553         (Target_i386::Relocate::tls_gd_to_ie): Support indirect
 554         call to __tls_get_addr.
 555         (Target_i386::Relocate::tls_gd_to_le): Likewise.
 556         (Target_i386::Relocate::tls_ld_to_le): Likewise.
 557         * testsuite/Makefile.am (check_PROGRAMS): Add pr20308a_test,
 558         pr20308b_test, pr20308c_test, pr20308d_test, pr20308e_test.
 559         (pr20308a_test_SOURCES): New.
 560         (pr20308a_test_DEPENDENCIES): Likewise.
 561         (pr20308a_test_CFLAGS): Likewise.
 562         (pr20308a_test_LDFLAGS): Likewise.
 563         (pr20308a_test_LDADD): Likewise.
 564         (pr20308b_test_SOURCES): Likewise.
 565         (pr20308b_test_DEPENDENCIES): Likewise.
 566         (pr20308b_test_CFLAGS): Likewise.
 567         (pr20308b_test_LDFLAGS): Likewise.
 568         (pr20308b_test_LDADD): Likewise.
 569         (pr20308c_test_SOURCES): Likewise.
 570         (pr20308c_test_DEPENDENCIES): Likewise.
 571         (pr20308c_test_CFLAGS): Likewise.
 572         (pr20308c_test_LDFLAGS): Likewise.
 573         (pr20308c_test_LDADD): Likewise.
 574         (pr20308d_test_SOURCES): Likewise.
 575         (pr20308d_test_DEPENDENCIES): Likewise.
 576         (pr20308d_test_CFLAGS): Likewise.
 577         (pr20308d_test_LDFLAGS): Likewise.
 578         (pr20308d_test_LDADD): Likewise.
 579         (pr20308e_test_SOURCES): Likewise.
 580         (pr20308e_test_DEPENDENCIES): Likewise.
 581         (pr20308e_test_CFLAGS): Likewise.
 582         (pr20308e_test_LDFLAGS): Likewise.
 583         (pr20308e_test_LDADD): Likewise.
 584         (pr20308a.so): Likewise.
 585         (pr20308b.so): Likewise.
 586         (pr20308_gd.o): Likewise.
 587         (pr20308_ld.o): Likewise.
 588         (MOSTLYCLEANFILES): Add pr20308a.so pr20308b.so.
 589         * testsuite/Makefile.in: Regenerated.
 590         * testsuite/pr20308_def.c: New file.
 591         * testsuite/pr20308_gd.S: Likewise.
 592         * testsuite/pr20308_ld.S: Likewise.
 593         * testsuite/pr20308_main.c: Likewise.
 594
 595 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 596
 597         PR gold/20216
 598         * configure.ac (DEFAULT_TARGET_X86_64_OR_X32): New
 599         AM_CONDITIONAL.
 600         * configure: Regenerated.
 601         * x86_64.cc (Target_x86_64<size>::Relocate::relocate): Allow
 602         R_X86_64_GOTPCRELX relocation against __tls_get_addr.
 603         (Target_x86_64<size>::Relocate::tls_gd_to_ie): Support indirect
 604         call to __tls_get_addr.
 605         (Target_x86_64<size>::Relocate::tls_gd_to_le): Likewise.
 606         (Target_x86_64<size>::Relocate::tls_ld_to_le): Likewise.
 607         * testsuite/Makefile.am (check_PROGRAMS): Add pr20216a_test,
 608         pr20216b_test, pr20216c_test, pr20216d_test, pr20216e_test.
 609         (pr20216a_test_SOURCES): New.
 610         (pr20216a_test_DEPENDENCIES): Likewise.
 611         (pr20216a_test_CFLAGS): Likewise.
 612         (pr20216a_test_LDFLAGS): Likewise.
 613         (pr20216a_test_LDADD): Likewise.
 614         (pr20216b_test_SOURCES): Likewise.
 615         (pr20216b_test_DEPENDENCIES): Likewise.
 616         (pr20216b_test_CFLAGS): Likewise.
 617         (pr20216b_test_LDFLAGS): Likewise.
 618         (pr20216b_test_LDADD): Likewise.
 619         (pr20216c_test_SOURCES): Likewise.
 620         (pr20216c_test_DEPENDENCIES): Likewise.
 621         (pr20216c_test_CFLAGS): Likewise.
 622         (pr20216c_test_LDFLAGS): Likewise.
 623         (pr20216c_test_LDADD): Likewise.
 624         (pr20216d_test_SOURCES): Likewise.
 625         (pr20216d_test_DEPENDENCIES): Likewise.
 626         (pr20216d_test_CFLAGS): Likewise.
 627         (pr20216d_test_LDFLAGS): Likewise.
 628         (pr20216d_test_LDADD): Likewise.
 629         (pr20216e_test_SOURCES): Likewise.
 630         (pr20216e_test_DEPENDENCIES): Likewise.
 631         (pr20216e_test_CFLAGS): Likewise.
 632         (pr20216e_test_LDFLAGS): Likewise.
 633         (pr20216e_test_LDADD): Likewise.
 634         (pr20216a.so): Likewise.
 635         (pr20216b.so): Likewise.
 636         (pr20216_gd.o): Likewise.
 637         (pr20216_ld.o): Likewise.
 638         (MOSTLYCLEANFILES): Add pr20216a.so pr20216b.so.
 639         * testsuite/Makefile.in: Regenerated.
 640         * testsuite/pr20216_def.c: New file.
 641         * testsuite/pr20216_gd.S: Likewise.
 642         * testsuite/pr20216_ld.S: Likewise.
 643         * testsuite/pr20216_main.c: Likewise.
 644
 645 2016-06-29  Alan Modra  <amodra@gmail.com>
 646
 647         * script_test_12.t: Delete .plt, specify 64k page size.
 648         * script_test_12i.t: Likewise.
 649
 650 2016-06-29  Alan Modra  <amodra@gmail.com>
 651
 652         * testsuite/plugin_layout_with_alignment.c: Explicitly align all
 653         variables.
 654
 655 2016-06-29  Alan Modra  <amodra@gmail.com>
 656
 657         * testsuite/Makefile.am (copy_test_protected): Disable for powerpc.
 658         * testsuite/Makefile.in: Regenerate.
 659
 660 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 661
 662         * aarch64-reloc.def (NONE): New relocation.
 663         * aarch64.cc (Target_aarch64::Scan::local): Handle R_AARCH64_NONE.
 664         (Target_aarch64::Scan::global): Likewise.
 665         * testsuite/Makefile.am (aarch64_reloc_none): New test.
 666         * testsuite/Makefile.in: Regenerate.
 667         * testsuite/aarch64_reloc_none.s: New test source file.
 668         * testsuite/aarch64_reloc_none.sh: New test script.
 669
 670 2016-06-28  Sriraman Tallam  <tmsriram@google.com>
 671
 672         * x86_64.cc (Lazy_view): New class.
 673         (can_convert_mov_to_lea): Templatize function.  Make the function
 674         check for appropriate relocation types and use the view parameter
 675         to get section contents.
 676         (can_convert_callq_to_direct): New function.
 677         (Target_x86_64<size>::Scan::global): Refactor.
 678         (Target_x86_64<size>::Relocate::relocate): Refactor. Change any indirect
 679         call via GOT that can be converted.
 680         * testsuite/Makefile.am (x86_64_indirect_call_to_direct.sh): New test.
 681         * testsuite/Makefile.in: Regenerate.
 682         * testsuite/x86_64_indirect_call_to_direct1.s: New file.
 683         * testsuite/x86_64_indirect_jump_to_direct1.s: New file.
 684
 685 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 686
 687         * aarch64.cc (Target_aarch64::Scan::local): Move the call to got_section
 688         from the top level to the places of its use.
 689
 690 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 691
 692         PR gold/18098
 693         * script-c.h (Sort_wildcard): Add SORT_WILDCARD_BY_INIT_PRIORITY.
 694         * script-sections.cc (Input_section_sorter::get_init_priority): New method.
 695         (Input_section_sorter::operator()): Handle SORT_WILDCARD_BY_INIT_PRIORITY.
 696         (Output_section_element_input::print): Likewise.
 697         * script.cc (script_keyword_parsecodes): Add entry SORT_BY_INIT_PRIORITY.
 698         * yyscript.y (SORT_BY_INIT_PRIORITY): New token.
 699         (wildcard_section): Handle SORT_BY_INIT_PRIORITY.
 700
 701         * testsuite/Makefile.am (script_test_14): New test.
 702         * testsuite/Makefile.in: Regenerate.
 703         * testsuite/script_test_14.s: New test source file.
 704         * testsuite/script_test_14.sh: New test script.
 705         * testsuite/script_test_14.t: New test linker script.
 706
 707 2016-06-28  James Clarke  <jrtc27@jrtc27.com>
 708
 709         * sparc.cc (Target_sparc::Scan::local): Don't convert R_SPARC_32
 710         to R_SPARC_RELATIVE if class is ELFCLASS64.
 711         (Target_sparc::Scan::global): Likewise.
 712
 713 2016-06-23  Cary Coutant  <ccoutant@gmail.com>
 714             Igor Kudrin  <ikudrin@accesssoftek.com>
 715
 716         PR gold/15370
 717         * script-sections.cc
 718         (Output_section_element_input::set_section_addresses): Keep bin_count
 719         separate from input_pattern_count.
 720         * testsuite/script_test_12.t: Add another section .x4.
 721         * testsuite/script_test_12i.t: Likewise.
 722         * testsuite/script_test_12a.c: Likewise.
 723         * testsuite/script_test_12b.c: Likewise.
 724
 725 2016-06-23  Igor Kudrin  <ikudrin@accesssoftek.com>
 726
 727         * gold-threads.cc (impl_threads::Lock_impl_threads): Fix typos.
 728
 729 2016-06-22  H.J. Lu  <hongjiu.lu@intel.com>
 730
 731         PR ld/20283
 732         * NEWS: Mention --enable-relro.
 733         * configure.ac: Add --enable-relro.
 734         (DEFAULT_LD_Z_RELRO): New.  Set by --enable-relro and default
 735         to 1.
 736         * config.in: Regenerated.
 737         * configure: Likewise.
 738         * options.h (General_options::relro): Default to
 739         DEFAULT_LD_Z_RELRO.
 740
 741 2016-06-20  Cary Coutant  <ccoutant@gmail.com>
 742
 743         * NEWS: Add new features in 1.12.
 744         * version.cc (version_string): Bump to 1.12.
 745
 746 2016-06-20  H.J. Lu  <hongjiu.lu@intel.com>
 747
 748         PR gold/20245
 749         * i386.cc (Target_i386::first_plt_entry_offset): Return 0 if
 750         plt_ is NULL.
 751         (Target_i386::plt_entry_size): Likewise.
 752         (Target_x86_64<size>::first_plt_entry_offset): Likewise.
 753         (Target_x86_64<size>::plt_entry_size): Likewise.
 754
 755 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 756
 757         * mips.cc (Target_mips::Target_mips): Initialize rld_map_.
 758         (Target_mips::rld_map_): New data member.
 759         (Target_mips::do_finalize_sections): Add support for
 760         DT_MIPS_RLD_MAP and DT_MIPS_RLD_MAP_REL dynamic tags,
 761         .rld_map section, and __RLD_MAP symbol.
 762         (Target_mips::do_dynamic_tag_custom_value): Add support for
 763         DT_MIPS_RLD_MAP_REL dynamic tag.
 764         * output.cc (Output_data_dynamic::get_entry_offset): New method
 765         definition.
 766         * output.h (Output_data_dynamic::get_entry_offset): New method
 767         declaration.
 768
 769 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 770
 771         * mips.cc (Mips_relocate_functions::relpc16): Add unaligned check.
 772
 773 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 774
 775         * mips.cc (relocation_needs_la25_stub): Add support for relocs:
 776         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 777         (hi16_reloc): Add support for R_MIPS_PCHI16 relocation.
 778         (is_matching_lo16_reloc): Likewise.
 779         (lo16_reloc): Add support for R_MIPS_PCLO16 relocation.
 780         (Mips_output_data_plt::plt_entry_r6): New static data member for
 781         R6 PLT entry.
 782         (Target_mips::is_output_r6): New method.
 783         (Target_mips::Mips_mach): Add new enum constants.
 784         (Mips_relocate_functions::Status): Likewise.
 785         (Mips_relocate_functions::pchi16_relocs): New static data member.
 786         (Mips_relocate_functions::relpc21): New method.
 787         (Mips_relocate_functions::relpc26): Likewise.
 788         (Mips_relocate_functions::relpc18): Likewise.
 789         (Mips_relocate_functions::relpc19): Likewise.
 790         (Mips_relocate_functions::relpchi16): Likewise.
 791         (Mips_relocate_functions::do_relpchi16): Likewise.
 792         (Mips_relocate_functions::relpclo16): Likewise.
 793         (Mips_output_data_plt::do_write): Add support for Mips r6 plt
 794         entry.
 795         (Target_mips::mips_32bit_flags): Add E_MIPS_ARCH_32R6 support.
 796         (Target_mips::elf_mips_mach): Add E_MIPS_ARCH_32R6 and
 797         E_MIPS_ARCH_64R6 support.
 798         (Target_mips::update_abiflags_isa): Likewise.
 799         (mips_get_size_for_reloc): Add support for relocs: R_MIPS_PCHI16,
 800         R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3 and
 801         R_MIPS_PC19_S2.
 802         (Target_mips::Scan::local): Add support for relocs: R_MIPS_PCHI16
 803         and R_MIPS_PCLO16.
 804         (Target_mips::Scan::global): Add support for relocs:
 805         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 806         (Target_mips::Relocate::relocate): Call functions for resolving
 807         Mips32r6 and Mips64r6 relocations, and print error message for
 808         STATUS_PCREL_UNALIGNED.
 809         (Target_mips::Scan::get_reference_flags): Add support for relocs:
 810         R_MIPS_PCHI16, R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2,
 811         R_MIPS_PC18_S3 and R_MIPS_PC19_S2.
 812         (Target_mips::elf_mips_mach_name): Add E_MIPS_ARCH_32R6 and
 813         E_MIPS_ARCH_64R6 support.
 814
 815 2016-06-13  H.J. Lu  <hongjiu.lu@intel.com>
 816
 817         PR gold/20246
 818         * testsuite/script_test_2.t: Add .got.plt after .got.
 819
 820 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 821
 822         * mips.cc (struct Mips_abiflags): New struct.
 823         (Mips_relobj::Mips_relobj): Initialize attributes_section_data_
 824         and abiflags_.
 825         (Mips_relobj::~Mips_relobj): Delete object pointed by
 826         attributes_section_data_.
 827         (Mips_relobj::abiflags): New method.
 828         (Mips_relobj::attributes_section_data): Likewise.
 829         (Mips_relobj::attributes_section_data_): New data member.
 830         (Mips_relobj::abiflags_): Likewise.
 831         (class Mips_output_section_abiflags): New class.
 832         (Target_mips::Target_mips): Initialize attributes_section_data_,
 833         abiflags_ and has_abiflags_section_.
 834         (Target_mips::do_should_include_section): Don't emit input
 835         .MIPS.abiflags sections to output .MIPS.abiflags.
 836         (Target_mips::Mips_mach): Add new enum constants.
 837         (Target_mips::mips_isa_ext_mach): New method.
 838         (Target_mips::mips_isa_ext): Likewise.
 839         (Target_mips::update_abiflags_isa): Likewise.
 840         (Target_mips::infer_abiflags): Likewise.
 841         (Target_mips::create_abiflags): Likewise.
 842         (Target_mips::fp_abi_string): Likewise.
 843         (Target_mips::select_fp_abi): Likewise.
 844         (Target_mips::merge_obj_attributes): Likewise.
 845         (Target_mips::merge_obj_abiflags): Likewise.
 846         (Target_mips::level_rev): Likewise.
 847         (Target_mips::merge_obj_e_flags): Rename from
 848         merge_processor_specific_flags. Remove dyn_obj argument,
 849         call update_abiflags_isa when needed, compare NaN encodings and
 850         compare FP64 state.
 851         (Target_mips::add_machine_extensions): Add two machine extensions
 852         and fix one.
 853         (Target_mips::attributes_section_data_): New data member.
 854         (Target_mips::abiflags_): Likewise.
 855         (Target_mips::has_abiflags_section_): Likewise.
 856         (Mips_relobj::do_read_symbols): Read .gnu.attributes and
 857         .MIPS.abiflags sections if they exists.
 858         (Target_mips::elf_mips_mach): Add E_MIPS_MACH_5900 and
 859         E_MIPS_MACH_OCTEON3 support.
 860         (Target_mips::do_adjust_elf_header): Setup EI_ABIVERSION flag.
 861         (Target_mips::do_finalize_sections): Merge .gnu.attributes and
 862         .MIPS.abiflags sections from input. Create these sections if
 863         needed.
 864         (Target_mips::elf_mips_mach_name): Add E_MIPS_MACH_5900 and
 865         E_MIPS_MACH_OCTEON3 support, and change strings for
 866         E_MIPS_MACH_LS2E, E_MIPS_MACH_LS2F and E_MIPS_MACH_LS3A just
 867         to match bfd.
 868
 869 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 870
 871         * mips.cc (Mips_relobj::Mips_relobj): Initialize
 872         has_reginfo_section_.
 873         (Mips_relobj::has_reginfo_section_): New data member.
 874         (Mips_relobj::has_reginfo_section): New method.
 875         (class Mips_output_section_reginfo): Change base class to
 876         Output_section_data, and set masks of the output .reginfo section
 877         in constructor.
 878         (Mips_output_section_reginfo::as_mips_output_section_reginfo):
 879         Remove.
 880         (Mips_output_section_reginfo::set_masks): Likewise.
 881         (Mips_output_section_reginfo::set_final_data_size): Likewise.
 882         (Mips_output_section_reginfo::do_print_to_mapfile): New method.
 883         (Target_mips::do_make_output_section): Remove.
 884         (Mips_relobj::do_read_symbols): Set has_reginfo_section_ to true
 885         if the object contains a .reginfo section.
 886         (Target_mips::do_finalize_sections): Create a .reginfo output
 887         section if needed.
 888
 889 2016-06-09  Artemiy Volkov  <artemiyv@acm.org>
 890
 891         * mips.cc (Mips_output_data_got::do_write): Add missing template
 892         args via typedef.
 893
 894 2016-05-30  Marcin Kościelnicki  <koriakin@0x04.net>
 895
 896         PR/19960
 897         * s390.cc (Target_s390::ss_code_st_r14): Removed.
 898         (Target_s390::ss_code_l_r14): Removed.
 899         (Target_s390::ss_code_ear): Removed.
 900         (Target_s390::ss_code_c): Removed.
 901         (Target_s390::ss_match_st_r14): New function.
 902         (Target_s390::ss_match_l_r14): New function.
 903         (Target_s390::ss_match_mcount): Call ss_match_{l,st}_r14 instead
 904         of matching code directly.
 905         (Target_s390::ss_match_ear): New function.
 906         (Target_s390::ss_match_c): New function.
 907         (Target_s390::do_calls_non_split): Call ss_match_{ear,c} instead
 908         of matching code directly.
 909
 910 2016-05-19  Cary Coutant  <ccoutant@gmail.com>
 911
 912         PR gold/19823
 913         * copy-relocs.cc (Copy_relocs::make_copy_reloc): Add object
 914         parameter; check for protected symbol.
 915         * copy-relocs.h (Copy_relocs::make_copy_reloc): Add object parameter.
 916         * mips.cc (Mips_copy_relocs): Adjust call to make_copy_reloc.
 917         * symtab.cc (Symbol::init_fields): Initialize is_protected_.
 918         (Symbol_table::add_from_dynobj): Mark protected symbols.
 919         * symtab.h (Symbol::is_protected): New method.
 920         (Symbol::set_is_protected): New method.
 921         (Symbol::is_protected_): New data member.
 922
 923         * testsuite/Makefile.am (copy_test_protected): New test.
 924         * testsuite/Makefile.in: Regenerate.
 925         * testsuite/copy_test.cc (main): Add legal reference to protected
 926         symbol.
 927         * testsuite/copy_test_v1.cc (main): Likewise.
 928         * testsuite/copy_test_2.cc (ip): Add protected symbol.
 929         * testsuite/copy_test_protected.cc: New test source file.
 930         * testsuite/copy_test_protected.sh: New test script.
 931
 932 2016-05-19  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 933
 934         * mips.cc (Mips_got_entry::Mips_got_entry): Remove object argument
 935         for global got symbols, and set addend to 0.
 936         (Mips_got_entry::hash): Change hash algorithm.
 937         (Mips_got_entry::equals): Refactor.
 938         (Mips_got_entry::object): Return input object for local got symbols
 939         from union d.
 940         (Mips_got_entry::addend): Change return of the relocation addend.
 941         (Mips_got_entry::addend_): Move from union d.
 942         (Mips_got_entry::object_): Move into union d.
 943         (class Mips_symbol_hash): New class.
 944         (Mips_got_info::Global_got_entry_set): New type.
 945         (Mips_got_info::global_got_symbols): Change return type to
 946         Global_got_entry_set.
 947         (Mips_got_info::global_got_symbols_): Change type to
 948         Global_got_entry_set.
 949         (Mips_symbol::hash): New method.
 950         (Mips_output_data_la25_stub::symbols_): Change type to std::vector.
 951         (Mips_output_data_mips_stubs::Mips_stubs_entry_set): New type.
 952         (Mips_output_data_mips_stubs::symbols_): Change type to
 953         Mips_stubs_entry_set.
 954         (Mips_got_info::record_global_got_symbol): Don't pass object
 955         argument when creating global got symbol.
 956         (Mips_got_info::record_got_entry): Remove find before inserting
 957         got entries.
 958         (Mips_got_info::add_reloc_only_entries): Change type of iterator
 959         to Global_got_entry_set.
 960         (Mips_got_info::count_got_symbols): Likewise.
 961         (Mips_output_data_la25_stub::create_la25_stub): Use push_back
 962         for adding entries to symbols_.
 963         (Mips_output_data_la25_stub::do_write): Change type of iterator
 964         to std::vector.
 965         (Mips_output_data_mips_stubs::set_lazy_stub_offsets): Change type
 966         of iterator to Mips_stubs_entry_set.
 967         (Mips_output_data_mips_stubs::set_needs_dynsym_value): Likewise.
 968         (Mips_output_data_mips_stubs::do_write): Likewise.
 969
 970 2016-05-06  Han Shen  <shenhan@google.com>
 971
 972         PR gold/19987.
 973
 974         * aarch64-reloc.def: New relocation type.
 975         * aarch64.cc (AArch64_relocate_functions::Page): Changed to public.
 976         (Target_aarch64::Scan::local): Add R_AARCH64_LD64_GOTPAGE_LO15.
 977         (Target_aarch64::Scan::global): Add R_AARCH64_LD64_GOTPAGE_LO15.
 978         (Target_aarch64::Relocate::relocate): Implement R_AARCH64_LD64_GOTPAGE_LO15.
 979
 980 2016-04-28  Nick Clifton  <nickc@redhat.com>
 981
 982         * po/zh_CN.po: Updated Chinese (simplified) translation.
 983
 984 2016-04-15  H.J. Lu  <hongjiu.lu@intel.com>
 985
 986         * Makefile.in: Regenerated with automake 1.11.6.
 987         * aclocal.m4: Likewise.
 988         * testsuite/Makefile.in: Likewise.
 989
 990 2016-03-30  Cary Coutant  <ccoutant@gmail.com>
 991
 992         PR gold/16979
 993         * symtab.cc (Symbol_table::define_default_version): Check for case
 994         where symbols are both in different shared objects.
 995
 996 2016-03-27  Cary Coutant  <ccoutant@gmail.com>
 997
 998         PR gold/16111
 999         * i386.cc (Target_i386): Add check for fully-resolved symbol for
1000         R_386_GOTOFF.
1001
1002 2016-03-22  Nick Clifton  <nickc@redhat.com>
1003
1004         * configure: Regenerate.
1005
1006 2016-03-21  Cary Coutant  <ccoutant@gmail.com>
1007
1008         PR gold/19842
1009         * errors.cc (Errors::undefined_symbol): Add info message when
1010         symbol should have been provided by a plugin.
1011         * target-reloc.h (issue_undefined_symbol_error): Check for
1012         placeholder symbols defined in discarded sections.
1013         * testsuite/Makefile.am (plugin_test_9b): New test case.
1014         * testsuite/Makefile.in: Regenerate.
1015         * testsuite/plugin_test_9b_elf.cc: New test source file.
1016         * testsuite/plugin_test_9b_ir.cc: New test source file.
1017
1018 2016-03-20  Cary Coutant  <ccoutant@gmail.com>
1019
1020         PR gold/19002
1021         * ehframe.cc (Eh_frame::read_fde): Check for dropped functions.
1022         * testsuite/Makefile.am (eh_test_2): New test.
1023         * testsuite/Makefile.in: Regenerate.
1024         * testsuite/eh_test_2.sh: New test script.
1025         * testsuite/eh_test_a.cc (bar): Make it comdat.
1026         * testsuite/eh_test_b.cc (bar): Add a duplicate copy.
1027
1028 2016-03-18  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
1029
1030         * mips.cc (Mips_relobj::is_n64_): Remove.
1031         (Target_mips::ei_class_): Likewise.
1032         (Mips_relobj::is_newabi): Call methods.
1033         (Mips_relobj::is_n64): Change checking for N64 ABI.
1034         (Target_mips::is_output_n64): Likewise.
1035         (Target_mips::merge_processor_specific_flags): Remove ei_class
1036         argument, and remove comparing ei_class.
1037         (Target_mips::do_adjust_elf_header): Remove setting EI_CLASS field
1038         of the ELF header.
1039         (Target_mips::do_finalize_sections): Don't pass ei_class argument
1040         to merge_processor_specific_flags.
1041         (Target_mips::elf_mips_abi_name): Remove ei_class argument, and
1042         change checking for N64 ABI.
1043
1044 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
1045
1046         * mips.cc (enum Special_relocation_symbol): New enum type.
1047         (is_readonly_section): New function.
1048         (eh_reloc): Likewise.
1049         (Mips_got_entry::is_section_symbol_): New member.
1050         (Mips_got_entry::is_section_symbol): New method.
1051         (Mips_got_info::record_local_got_symbol): Add is_section_symbol
1052         argument.
1053         (Mips_relobj::mips_elf_options_section_name): New method.
1054         (Mips_output_data_got::record_local_got_symbol): Add
1055         is_section_symbol argument, and pass it to
1056         Mips_got_info::record_local_got_symbol.
1057         (Mips_output_data_got::got_offset): Add addend argument, and pass
1058         it to Relobj::local_got_offset.
1059         (struct Mips_output_reloc_writer): New type.
1060         (class Mips_output_data_reloc): New class.
1061         (Mips_output_data_plt::Reloc_section): Change type to
1062         Mips_output_data_reloc.
1063         (Target_mips::Reloc_section): Likewise.
1064         (Mips_reloc_types::get_r_addend): Remove unsigned from return type.
1065         (Mips_classify_reloc::get_r_type2): New method.
1066         (Mips_classify_reloc::get_r_type3): Likewise.
1067         (Mips_classify_reloc::get_r_ssym): Likewise.
1068         (Target_mips::Reloca_section): Remove.
1069         (Relocate::should_apply_static_reloc): Rename from
1070         should_apply_r_mips_32_reloc.
1071         (Target_mips::copy_reloc): Replace Reltype parameter with r_type
1072         and r_offset.
1073         (Mips_relocate_functions::Valtype): New type.
1074         (Mips_relocate_functions::Valtype64): New type.
1075         (Mips_relocate_functions::check_overflow): New method.
1076         (Mips_relocate_functions::mips_reloc_unshuffle): Move to public
1077         interface.
1078         (Mips_relocate_functions::mips_reloc_shuffle): Likewise.
1079         (Mips_relocate_functions::rel16): Add support for resolving
1080         relocations for Mips64.
1081         (Mips_relocate_functions::rel32): Likewise.
1082         (Mips_relocate_functions::reljalr): Likewise.
1083         (Mips_relocate_functions::relpc32): Likewise.
1084         (Mips_relocate_functions::rel26): Likewise.
1085         (Mips_relocate_functions::relpc16): Likewise.
1086         (Mips_relocate_functions::relmicromips_pc7_s1): Likewise.
1087         (Mips_relocate_functions::relmicromips_pc10_s1): Likewise.
1088         (Mips_relocate_functions::relmicromips_pc16_s1): Likewise.
1089         (Mips_relocate_functions::do_relhi16): Likewise.
1090         (Mips_relocate_functions::do_relgot16_local): Likewise.
1091         (Mips_relocate_functions::rello16): Likewise.
1092         (Mips_relocate_functions::relgot): Likewise.
1093         (Mips_relocate_functions::relgotpage): Likewise.
1094         (Mips_relocate_functions::relgotofst): Likewise.
1095         (Mips_relocate_functions::relgot_hi16): Likewise.
1096         (Mips_relocate_functions::relgot_lo16): Likewise.
1097         (Mips_relocate_functions::relgprel): Likewise.
1098         (Mips_relocate_functions::relgprel32): Likewise.
1099         (Mips_relocate_functions::tlsrelhi16): Likewise.
1100         (Mips_relocate_functions::tlsrello16): Likewise.
1101         (Mips_relocate_functions::tlsrel32): Likewise.
1102         (Mips_relocate_functions::relsub): Likewise.
1103         (Mips_relocate_functions::releh): New method.
1104         (Mips_relocate_functions::rel64): Likewise.
1105         (Mips_got_info::record_local_got_symbol): Add is_section_symbol and
1106         pass it to Mips_got_entry.
1107         (Mips_got_info::add_local_entries): Pass addend argument
1108         to code functions, and for STT_SECTION symbols call
1109         add_symbolless_local_addend.
1110         (Mips_got_info::add_tls_entries): Pass addend argument to code
1111         functions.
1112         (Mips_relobj::do_read_symbols): Read gp value that was used to
1113         create object.
1114         (Mips_output_data_plt::plt_entry): Remove opcode from l[wd]
1115         instruction. Opcode for instruction will be selected later.
1116         (Target_mips::gc_process_relocs): Add case for SHT_RELA.
1117         (Target_mips::scan_relocatable_relocs): Likewise.
1118         (Target_mips::emit_relocs_scan): Likewise.
1119         (Target_mips::relocate_relocs): Likewise.
1120         (Target_mips::do_finalize_sections): Skip objects for merging
1121         processor specific flags in which all input sections will be
1122         discarded.
1123         (mips_get_size_for_reloc): Add case for R_MIPS_EH.
1124         (Target_mips::Scan::get_reference_flags): Likewise.
1125         (Target_mips::relocate_special_relocatable): Call rel26 method with
1126         calculate_only and calculated_value arguments.
1127         (Target_mips::Scan::local): Add case for R_MIPS_EH. Don't create a
1128         dynamic relocation against a readonly sections, and pass
1129         is_section_symbol to Mips_got_info::record_local_got_symbol.
1130         (Target_mips::Scan::global): Add case for R_MIPS_EH. Don't create a
1131         dynamic relocation against a readonly sections, and pass r_type
1132         and r_offset to Target_mips::copy_reloc.
1133         (Target_mips::Relocate::relocate): Add support for resolving
1134         relocations for Mips64.
1135         (Target_mips::mips_info): Add case for Mips64 default dynamic
1136         linker name.
1137         (Target_selector_mips): Correct emulation names.
1138
1139 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
1140
1141         * mips.cc (class Mips_output_data_la25_stub): Add
1142         do_print_to_mapfile function.
1143
1144 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
1145
1146         * mips.cc (Mips_classify_reloc::put_r_info): Call 32bit version of
1147         elf_r_info.
1148
1149 2016-03-09  H.J. Lu  <hongjiu.lu@intel.com>
1150
1151         * testsuite/plugin_layout_with_alignment.cc: Renamed to ..
1152         * testsuite/plugin_layout_with_alignment.c: This.
1153         * testsuite/Makefile.am (plugin_layout_with_alignment.o): Updated.
1154         (plugin_layout_with_alignment): Likewise.
1155         * testsuite/Makefile.in: Regenerated.
1156
1157 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
1158
1159         PR 19751
1160         * testsuite/Makefile.am (retain_symbols_file_test): Remove check
1161         for constructor.
1162         * testsuite/Makefile.in: Regenerate.
1163         * testsuite/dynamic_list.sh: Likewise.
1164         * testsuite/retain_symbols_file_test.sh: Likewise.
1165
1166 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
1167
1168         PR 19751
1169         * arm.cc (Reloc_stub::Key::name): Add unused attribute.
1170         * dirsearch.cc (Dir_caches::~Dir_caches): Likewise.
1171
1172 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
1173             Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
1174
1175         * output.cc (Output_reloc_writer): New type.
1176         (Output_data_reloc_base::do_write): Move implementation to template
1177         in output.h and replace with invocation of template.
1178         * output.h (Output_file): Move to top of file.
1179         (Output_reloc::get_symbol_index): Move to public interface.
1180         (Output_reloc::get_address): Likewise.
1181         (Output_data_reloc_base::do_write_generic): New function template.
1182
1183 2016-03-04  Cary Coutant  <ccoutant@gmail.com>
1184
1185         PR gold/19019
1186         PR gold/19763
1187         * symtab.cc: Instantiate Sized_symbol::init_constant and
1188         Sized_symbol::init_undefined.
1189
1190 2016-03-03  Cary Coutant  <ccoutant@gmail.com>
1191
1192         PR gold/19019
1193         * layout.h (Layout::add_target_specific_dynamic_tag): New function.
1194         * layout.cc (Layout::add_target_specific_dynamic_tag): New function.
1195         * mips.cc (Target_mips::make_symbol): Adjust function signature.
1196         * sparc.cc (Target_sparc::Target_sparc): Initialize register_syms_.
1197         (Target_sparc::do_is_defined_by_abi): Remove test for
1198         STT_SPARC_REGISTER.
1199         (Target_sparc::Register_symbol): New struct type.
1200         (Target_sparc::register_syms_): New data member.
1201         (Target_sparc<64, true>::sparc_info): Set has_make_symbol to true.
1202         (Target_sparc::make_symbol): New function.
1203         (Target_sparc::do_finalize_sections): Add register symbols and new
1204         dynamic table entries.
1205         * symtab.h (Sized_symbol::init_undefined): Add value parameter.
1206         (Symbol_table::add_target_global_symbol): New function.
1207         (Symbol_table::target_symbols_): New data member.
1208         * symtab.cc (Sized_symbol::init_undefined): Add value parameter.
1209         (Symbol_table::Symbol_table): Initialize target_symbols_.
1210         (Symbol_table::add_from_object): Pass additional parameters to
1211         Target::make_symbol.
1212         (Symbol_table::define_special_symbol): Likewise.
1213         (Symbol_table::add_undefined_symbol_from_command_line): Pass 0 for
1214         undefined symbol value.
1215         (Symbol_table::set_dynsym_indexes): Process target-specific symbols.
1216         (Symbol_table::sized_finalize): Likewise.
1217         (Symbol_table::sized_write_globals): Likewise.
1218         * target.h (Sized_target::make_symbol): Add name, st_type, object,
1219         st_shndx, and value parameters.
1220
1221 2016-03-03  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1222
1223         * plugin.cc (do_should_include_member): Ignore LDPK_UNDEF and
1224         LDPK_WEAKUNDEF symbols.
1225
1226 2016-03-03  Than McIntosh  <thanm@google.com>
1227
1228         * plugin.cc (Plugin::load): Include hooks for get_input_section_size
1229         and get_input_section_alignment in transfer vector.
1230         (get_input_section_alignment): New function.
1231         (get_input_section_size): New function.
1232         * testsuite/Makefile.am: Add plugin_layout_with_alignment.sh test.
1233         * testsuite/Makefile.in: [Regenerate.]
1234         * testsuite/plugin_section_alignment.cc: New test file.
1235         * testsuite/plugin_layout_with_alignment.cc: New test file.
1236         * testsuite/plugin_layout_with_alignment.sh: New test file.
1237
1238 2016-03-03  Evgenii Stepanov  <eugenis@google.com>
1239
1240         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
1241         parameter.
1242         * plugin.cc (get_symbols_v3): New function.
1243         (Plugin::load): Add LDPT_GET_SYMBOLS_V3.
1244         (Pluginobj::get_symbol_resolution_info): Return LDPS_NO_SYMS when using
1245         new version.
1246
1247 2016-02-26  Egor Kochetov  <egor.kochetov@intel.com>
1248             Cary Coutant  <ccoutant@gmail.com>
1249
1250         PR gold/19735
1251         * ehframe.h (Cie::fde_encoding): New method.
1252         * ehframe.cc (Eh_frame::read_fde): Discard FDEs for zero-length
1253         address ranges.
1254
1255 2016-02-15  H.J. Lu  <hongjiu.lu@intel.com>
1256
1257         * testsuite/Makefile.am (x86_64_mov_to_lea5.o): Pass
1258         -mrelax-relocations=yes to $(TEST_AS).
1259         (x86_64_mov_to_lea6.o): Likewise.
1260         (x86_64_overflow_pc32.o): Remove duplicated target.
1261         * testsuite/Makefile.in: Regenerated.
1262
1263 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
1264
1265         * s390.cc (Target_s390::match_view_u): New helper method.
1266         (Target_s390::do_is_call_to_non_split): New method.
1267         (Target_s390::ss_code_st_r14): New const.
1268         (Target_s390::ss_code_l_r14): New const.
1269         (Target_s390::ss_code_bras_8): New const.
1270         (Target_s390::ss_code_l_basr): New const.
1271         (Target_s390::ss_code_a_basr): New const.
1272         (Target_s390::ss_code_ear): New const.
1273         (Target_s390::ss_code_c): New const.
1274         (Target_s390::ss_code_larl): New const.
1275         (Target_s390::ss_code_brasl): New const.
1276         (Target_s390::ss_code_jg): New const.
1277         (Target_s390::ss_code_jgl): New const.
1278         (Target_s390::ss_match_mcount): New helper method.
1279         (Target_s390::ss_match_l): New helper method.
1280         (Target_s390::ss_match_ahi): New helper method.
1281         (Target_s390::ss_match_alfi): New helper method.
1282         (Target_s390::ss_match_cr): New helper method.
1283         (Target_s390::do_calls_non_split): New method.
1284         * testsuite/Makefile.am: Added new tests.
1285         * testsuite/Makefile.in: Regenerate.
1286         * testsuite/split_s390.sh: New test.
1287         * testsuite/split_s390_1_a1.s: New test.
1288         * testsuite/split_s390_1_a2.s: New test.
1289         * testsuite/split_s390_1_n1.s: New test.
1290         * testsuite/split_s390_1_n2.s: New test.
1291         * testsuite/split_s390_1_z1.s: New test.
1292         * testsuite/split_s390_1_z2.s: New test.
1293         * testsuite/split_s390_1_z3.s: New test.
1294         * testsuite/split_s390_1_z4.s: New test.
1295         * testsuite/split_s390_2_ns.s: New test.
1296         * testsuite/split_s390_2_s.s: New test.
1297         * testsuite/split_s390x_1_a1.s: New test.
1298         * testsuite/split_s390x_1_a2.s: New test.
1299         * testsuite/split_s390x_1_n1.s: New test.
1300         * testsuite/split_s390x_1_n2.s: New test.
1301         * testsuite/split_s390x_1_z1.s: New test.
1302         * testsuite/split_s390x_1_z2.s: New test.
1303         * testsuite/split_s390x_1_z3.s: New test.
1304         * testsuite/split_s390x_1_z4.s: New test.
1305         * testsuite/split_s390x_2_ns.s: New test.
1306         * testsuite/split_s390x_2_s.s: New test.
1307
1308 2016-02-11 Rahul Chaudhry  <rahulchaudhry@google.com>
1309
1310         * aarch64.cc (Target_aarch64::scan_erratum_843419_span): Remove
1311         info message for every erratum 843419 found and fixed.
1312
1313 2016-02-07  Cary Coutant  <ccoutant@gmail.com>
1314
1315         PR gold/18695
1316         * x86_64.cc (Target_x86_64::Relocate::relocate): Add additional
1317         information to relocation overflow errors.
1318
1319 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
1320
1321         PR gold/18695
1322         * x86_64.cc (X86_64_relocate_functions::pcrela32_check): Fix x32
1323         overflow checking when symbol value + addend < 0.
1324
1325 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
1326
1327         PR gold/19577
1328         * reloc.h (Limits): New class.
1329         (Bits::has_overflow32): Use min/max values from Limits.
1330         (Bits::has_unsigned_overflow32): Likewise.
1331         (Bits::has_signed_unsigned_overflow32): Likewise.
1332         (Bits::has_overflow): Likewise.
1333         (Bits::has_unsigned_overflow): Likewise.
1334         (Bits::has_signed_unsigned_overflow64): Likewise.
1335
1336 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
1337
1338         PR gold/19567
1339         * reloc.h (Relocate_functions::Overflow_check): Add comments.
1340         * x86_64.cc (X86_64_relocate_functions): New class.
1341         (Target_x86_64::Relocate::relocate): Use the new class.
1342         * testsuite/Makefile.am (x86_64_overflow_pc32): Add -Tdata option.
1343         (x32_overflow_pc32): New test case.
1344         * testsuite/Makefile.in: Regenerate.
1345         * testsuite/x32_overflow_pc32.sh: New script.
1346         * testsuite/x86_64_overflow_pc32.s: Remove .space directive.
1347
1348 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
1349
1350         PR gold/19577
1351         * reloc.h (Bits::has_unsigned_overflow32): Fix static_cast.
1352         (Bits::has_unsigned_overflow): Remove unnecessary static_cast.
1353
1354 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
1355
1356         PR gold/19577
1357         * reloc.h (Bits::has_unsigned_overflow32): Fix unsigned/signed
1358         comparison.
1359         (Bits::has_unsigned_overflow): Likewise.
1360
1361 2016-02-06  Marcin Kościelnicki  <koriakin@0x04.net>
1362
1363         * i386.cc (Target_i386::is_call_to_non_split): Add view and view_size
1364         parameters.
1365         * reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Pass view
1366         and view_size to is_call_to_non_split.
1367         * target.cc (Target::is_call_to_non_split): Add view and view_size
1368         parameters.
1369         * target.h (class Target): Likewise.
1370
1371 2016-02-05  Sriraman Tallam  <tmsriram@google.com>
1372
1373         * icf.cc (get_rel_addend): New function.
1374         (get_section_contents):  Move merge section addend computation to a
1375         new function.  Ignore negative values for SHT_REL and SHT_RELA addends.
1376         Fix bug to not read past the length of the section.
1377
1378 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
1379             Andrew Senkevich  <andrew.senkevich@intel.com>
1380
1381         PR gold/18695
1382         * x86_64.cc (Target_x86_64::Relocate::relocate): Add overflow
1383         checking for R_X86_64_32, R_X86_64_32S, R_X86_64_PC32, and
1384         R_X86_64_PLT32.
1385         * testsuite/Makefile.am (x86_64_overflow_pc32): New test.
1386         * testsuite/x86_64_overflow_pc32.sh: New test script.
1387         * testsuite/x86_64_overflow_pc32.s: New source file.
1388
1389 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
1390
1391         PR gold/18695
1392         * reloc.h (Relocate_functions::Address): New typedef.
1393         (Relocate_functions::Addendtype): New typedef.
1394         (Relocate_functions::Overflow_check): New enum type.
1395         (Relocate_functions::Reloc_status): New enum type.
1396         (Relocate_functions::check_overflow): New function template.
1397         (Relocate_functions::rel): Add check parameter; check for overflow.
1398         (Relocate_functions::rel_unaligned): Likewise.
1399         (Relocate_functions::rela): Likewise.
1400         (Relocate_functions::pcrel): Likewise.
1401         (Relocate_functions::pcrel_unaligned): Likewise.
1402         (Relocate_functions::pcrela): Likewise.
1403         (Relocate_functions::rel8): Adjust parameter types.
1404         (Relocate_functions::rela8): Likewise.
1405         (Relocate_functions::pcrel8): Likewise.
1406         (Relocate_functions::pcrela8): Likewise.
1407         (Relocate_functions::rel16): Likewise.
1408         (Relocate_functions::rela168): Likewise.
1409         (Relocate_functions::pcrel16): Likewise.
1410         (Relocate_functions::pcrela16): Likewise.
1411         (Relocate_functions::rel32): Likewise.
1412         (Relocate_functions::rel32_unaligned): Likewise.
1413         (Relocate_functions::rela32): Likewise.
1414         (Relocate_functions::pcrel32): Likewise.
1415         (Relocate_functions::pcrel32_unaligned): Likewise.
1416         (Relocate_functions::pcrela32): Likewise.
1417         (Relocate_functions::rel8_check): New function.
1418         (Relocate_functions::rela8_check): New function.
1419         (Relocate_functions::pcrel8_check): New function.
1420         (Relocate_functions::pcrela8_check): New function.
1421         (Relocate_functions::rel16_check): New function.
1422         (Relocate_functions::rela168_check): New function.
1423         (Relocate_functions::pcrel16_check): New function.
1424         (Relocate_functions::pcrela16_check): New function.
1425         (Relocate_functions::rel32_check): New function.
1426         (Relocate_functions::rel32_unaligned_check): New function.
1427         (Relocate_functions::rela32_check): New function.
1428         (Relocate_functions::pcrel32_check): New function.
1429         (Relocate_functions::pcrel32_unaligned_check): New function.
1430         (Relocate_functions::pcrela32_check): New function.
1431         (Bits::has_unsigned_overflow32): New function.
1432         (Bits::has_unsigned_overflow): New function.
1433         * testsuite/Makefile.am (overflow_unittest): New test.
1434         * testsuite/Makefile.in: Regenerate.
1435         * testsuite/overflow_unittest.cc: New source file.
1436
1437 2016-02-04  Alan Modra  <amodra@gmail.com>
1438
1439         * powerpc.cc (relocate): Adjust last patch for big-endian.
1440
1441 2016-02-02  Alan Modra  <amodra@gmail.com>
1442
1443         * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
1444
1445 2016-01-15 Han Shen  <shenhan@google.com>
1446
1447         PR gold/19472 - need pc-relative stubs.
1448
1449         * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
1450         stub type for DSOs and pie executables.
1451
1452 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
1453
1454         * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove
1455         'typename'.
1456
1457 2016-01-12  Cary Coutant  <ccoutant@gmail.com>
1458
1459         * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method.
1460         * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method.
1461         * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both
1462         specializations) New method.
1463
1464 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1465
1466         PR gold/19353
1467         * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
1468         we have a TLS segment for GD-to-IE optimization.
1469         * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
1470         Adjust all calls.
1471         (Target_i386::tls_desc_gd_to_ie): Likewise.
1472         (Target_i386::relocate_tls): Don't insist that we have a TLS segment
1473         for TLSDESC GD-to-IE optimizations.
1474         * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
1475         Adjust all calls.
1476         (Target_x86_64::tls_desc_gd_to_ie): Likewise.
1477         (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
1478         for TLSDESC GD-to-IE optimizations.
1479
1480 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1481
1482         Refactor gold to enable support for MIPS-64 relocation format.
1483
1484         * gc.h (get_embedded_addend_size): Remove sh_type parameter.
1485         (gc_process_relocs): Remove sh_type template parameter.
1486         Use Classify_reloc to access r_sym, r_type, and r_addend fields.
1487         * object.h (Sized_relobj_file::split_stack_adjust): Add target
1488         parameter.
1489         (Sized_relobj_file::split_stack_adjust_reltype): Likewise.
1490         * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA
1491         specializations) Remove.
1492         * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h.
1493         (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan().
1494         (Sized_relobj_file::emit_relocs_scan_reltype): Remove.
1495         (Sized_relobj_file::split_stack_adjust): Add target parameter.
1496         Adjust all callers.
1497         (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call
1498         Target::get_r_sym() to get r_sym field from relocations.
1499         (Track_relocs::next_symndx): Call Target::get_r_sym().
1500         * target-reloc.h (scan_relocs): Remove sh_type template parameter;
1501         add Classify_reloc template parameter.  Use for accessing r_sym and
1502         r_type.
1503         (relocate_section): Likewise.
1504         (Default_classify_reloc): New class (renamed and moved from reloc.cc).
1505         (Default_scan_relocatable_relocs): Remove sh_type template parameter.
1506         (Default_scan_relocatable_relocs::Reltype): New typedef.
1507         (Default_scan_relocatable_relocs::reloc_size): New const.
1508         (Default_scan_relocatable_relocs::sh_type): New const.
1509         (Default_scan_relocatable_relocs::get_r_sym): New method.
1510         (Default_scan_relocatable_relocs::get_r_type): New method.
1511         (Default_emit_relocs_strategy): New class.
1512         (scan_relocatable_relocs): Replace sh_type template parameter with
1513         Scan_relocatable_relocs class.  Use it to access r_sym and r_type
1514         fields.
1515         (relocate_relocs): Replace sh_type template parameter with
1516         Classify_reloc class.  Use it to access r_sym and r_type fields.
1517         * target.h (Target::is_call_to_non_split): Replace r_type parameter
1518         with pointer to relocation. Adjust all callers.
1519         (Target::do_is_call_to_non_split): Likewise.
1520         (Target::emit_relocs_scan): New virtual method.
1521         (Sized_target::get_r_sym): New virtual method.
1522         * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter
1523         with pointer to relocation.
1524
1525         * aarch64.cc (Target_aarch64::emit_relocs_scan): New method.
1526         (Target_aarch64::Relocatable_size_for_reloc): Remove.
1527         (Target_aarch64::gc_process_relocs): Use Default_classify_reloc.
1528         (Target_aarch64::scan_relocs): Likewise.
1529         (Target_aarch64::relocate_section): Likewise.
1530         (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc):
1531         Remove.
1532         (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc.
1533         (Target_aarch64::relocate_relocs): Use Default_classify_reloc.
1534         * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type
1535         template parameter.
1536         (Target_arm::emit_relocs_scan): New method.
1537         (Target_arm::Relocatable_size_for_reloc): Replace with...
1538         (Target_arm::Classify_reloc): ...this.
1539         (Target_arm::gc_process_relocs): Use Classify_reloc.
1540         (Target_arm::scan_relocs): Likewise.
1541         (Target_arm::relocate_section): Likewise.
1542         (Target_arm::scan_relocatable_relocs): Likewise.
1543         (Target_arm::relocate_relocs): Likewise.
1544         * i386.cc (Target_i386::emit_relocs_scan): New method.
1545         (Target_i386::Relocatable_size_for_reloc): Replace with...
1546         (Target_i386::Classify_reloc): ...this.
1547         (Target_i386::gc_process_relocs): Use Classify_reloc.
1548         (Target_i386::scan_relocs): Likewise.
1549         (Target_i386::relocate_section): Likewise.
1550         (Target_i386::scan_relocatable_relocs): Likewise.
1551         (Target_i386::relocate_relocs): Likewise.
1552         * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template
1553         parameter.
1554         (Mips_reloc_types): New class template.
1555         (Mips_classify_reloc): New class template.
1556         (Target_mips::Reltype): New typedef.
1557         (Target_mips::Relatype): New typedef.
1558         (Target_mips::emit_relocs_scan): New method.
1559         (Target_mips::get_r_sym): New method.
1560         (Target_mips::Relocatable_size_for_reloc): Replace with
1561         Mips_classify_reloc.
1562         (Target_mips::copy_reloc): Use Mips_classify_reloc.
1563         (Target_mips::gc_process_relocs): Likewise.
1564         (Target_mips::scan_relocs): Likewise.
1565         (Target_mips::relocate_section): Likewise.
1566         (Target_mips::scan_relocatable_relocs): Likewise.
1567         (Target_mips::relocate_relocs): Likewise.
1568         (mips_get_size_for_reloc): New function, factored out from
1569         Relocatable_size_for_reloc::get_size_for_reloc.
1570         (Target_mips::Scan::local): Use Mips_classify_reloc.
1571         (Target_mips::Scan::global): Likewise.
1572         (Target_mips::Relocate::relocate): Likewise.
1573         * powerpc.cc (Target_powerpc::emit_relocs_scan): New method.
1574         (Target_powerpc::Relocatable_size_for_reloc): Remove.
1575         (Target_powerpc::gc_process_relocs): Use Default_classify_reloc.
1576         (Target_powerpc::scan_relocs): Likewise.
1577         (Target_powerpc::relocate_section): Likewise.
1578         (Powerpc_scan_relocatable_reloc): Convert to class template.
1579         (Powerpc_scan_relocatable_reloc::Reltype): New typedef.
1580         (Powerpc_scan_relocatable_reloc::reloc_size): New const.
1581         (Powerpc_scan_relocatable_reloc::sh_type): New const.
1582         (Powerpc_scan_relocatable_reloc::get_r_sym): New method.
1583         (Powerpc_scan_relocatable_reloc::get_r_type): New method.
1584         (Target_powerpc::scan_relocatable_relocs): Use
1585         Powerpc_scan_relocatable_reloc.
1586         (Target_powerpc::relocate_relocs): Use Default_classify_reloc.
1587         * s390.cc (Target_s390::emit_relocs_scan): New method.
1588         (Target_s390::Relocatable_size_for_reloc): Remove.
1589         (Target_s390::gc_process_relocs): Use Default_classify_reloc.
1590         (Target_s390::scan_relocs): Likewise.
1591         (Target_s390::relocate_section): Likewise.
1592         (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc):
1593         Remove.
1594         (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc.
1595         (Target_s390::relocate_relocs): Use Default_classify_reloc.
1596         * sparc.cc (Target_sparc::emit_relocs_scan): New method.
1597         (Target_sparc::Relocatable_size_for_reloc): Remove.
1598         (Target_sparc::gc_process_relocs): Use Default_classify_reloc.
1599         (Target_sparc::scan_relocs): Likewise.
1600         (Target_sparc::relocate_section): Likewise.
1601         (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc):
1602         Remove.
1603         (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc.
1604         (Target_sparc::relocate_relocs): Use Default_classify_reloc.
1605         * tilegx.cc (Target_tilegx::emit_relocs_scan): New method.
1606         (Target_tilegx::Relocatable_size_for_reloc): Remove.
1607         (Target_tilegx::gc_process_relocs): Use Default_classify_reloc.
1608         (Target_tilegx::scan_relocs): Likewise.
1609         (Target_tilegx::relocate_section): Likewise.
1610         (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc):
1611         Remove.
1612         (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc.
1613         (Target_tilegx::relocate_relocs): Use Default_classify_reloc.
1614         * x86_64.cc (Target_x86_64::emit_relocs_scan): New method.
1615         (Target_x86_64::Relocatable_size_for_reloc): Remove.
1616         (Target_x86_64::gc_process_relocs): Use Default_classify_reloc.
1617         (Target_x86_64::scan_relocs): Likewise.
1618         (Target_x86_64::relocate_section): Likewise.
1619         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1620         Remove.
1621         (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc.
1622         (Target_x86_64::relocate_relocs): Use Default_classify_reloc.
1623
1624         * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method.
1625
1626 2016-01-01  Alan Modra  <amodra@gmail.com>
1627
1628         Update year range in copyright notice of all files.
1629
1630 For older changes see ChangeLog-0815
1631 \f
1632 Copyright (C) 2016 Free Software Foundation, Inc.
1633
1634 Copying and distribution of this file, with or without modification,
1635 are permitted in any medium without royalty provided the copyright
1636 notice and this notice are preserved.
1637
1638 Local Variables:
1639 mode: change-log
1640 left-margin: 8
1641 fill-column: 74
1642 version-control: never
1643 End: