gold/ChangeLog

   1 2016-08-26  Han Shen  <shenhan@google.com>
   2
   3         PR gold/20529 - relaxing loop never ends.
   4
   5         * powerpc.cc (Stub_table::min_size_threshold_): New member to
   6         limit size.
   7         (Stub_table::set_min_size_threshold): New member function.
   8         (Stub_table::set_address_and_size): Add code to only allow size
   9         increase.
  10         (Target_powerpc::do_relax): Add code to record last size.
  11
  12 2016-08-23  Roland McGrath  <roland@hack.frob.com>
  13
  14         * options.h (General_options): Grok -z stack-size.
  15         * output.h (Output_segment::set_size): New method.
  16         * layout.cc (Layout::create_executable_stack_info): Renamed to ...
  17         (Layout::create_stack_segment): ... this.  Always create the
  18         segment if -z stack-size was used.
  19         (Layout::set_segment_offsets): Don't call ->set_offset on the
  20         PT_GNU_STACK segment.
  21
  22 2016-08-15  Bharathi Seshadri  <bseshadr@cisco.com>
  23
  24         * options.h (General_options): Add --be8 option.
  25         * arm.cc (Arm_relobj::do_relocate_sections): Add code to swap for be8.
  26         (Output_data_plt_arm_standard::do_fill_first_plt_entry): Likewise.
  27         (Output_data_plt_arm_short::do_fill_plt_entry): Likewise.
  28         (Output_data_plt_arm_long::do_fill_plt_entry): Likewise.
  29         (Target_arm::do_adjust_elf_header): Do EF_ARM_BE8 adjustment.
  30
  31 2016-08-17  Cary Coutant  <ccoutant@gmail.com>
  32
  33         * i386.cc (Target_i386): Reset skip_call_tls_get_addr_ after printing
  34         error message.
  35         * testsuite/Makefile.am (pr20216a): Add missing dependencies.
  36         (pr20308a): Add -Bgcctestdir/ to compile rules.
  37         * testsuite/Makefile.in: Regenerate.
  38
  39 2016-08-12  Roland McGrath  <roland@hack.frob.com>
  40
  41         PR gold/20462
  42         * script-sections.cc (Script_sections::release_segments):
  43         Reset this->segments_created_.
  44
  45 2016-08-12  Roland McGrath  <roland@hack.frob.com>
  46
  47         * yyscript.y (HIDDEN): New %token.
  48         (assignment): Handle HIDDEN(string = expr) syntax.
  49         * script.cc (script_keyword_parsecodes): Add HIDDEN.
  50
  51 2016-08-10  Cary Coutant  <ccoutant@gmail.com>
  52
  53         PR gold/20216
  54         * x86_64.cc (Target_x86_64::Relocate::relocate): Add check for
  55         R_X86_64_GOTPCREL. Reset skip_call_tls_get_addr_ after printing
  56         error message.
  57         * testsuite/Makefile.am (pr20216_gd.o): Add -Bgcctestdir/.
  58         (pr20216_ld.o): Likewise.
  59         * testsuite/Makefile.in: Regenerate.
  60
  61 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
  62
  63         PR gold/20443
  64         * symtab.cc (Symbol_table::add_from_relobj): Handle NULL symbols,
  65         which will be present for STT_SPARC_REGISTER.
  66         (Symbol_table::add_from_pluginobj): Likewise.
  67         (Symbol_table::add_from_dynobj): Likewise.
  68         (Symbol_table::add_from_incrobj): Removed dead code.
  69
  70 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
  71
  72         PR gold/20442
  73         * sparc.cc (Target_sparc::Relocate::relocate): R_SPARC_GOTDATA_OP_LOX10
  74         should fall back on R_SPARC_GOT10, not R_SPARC_GOT13.
  75
  76 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
  77
  78         PR gold/20441
  79         * sparc.cc (Target_sparc::Scan::check_non_pic): Allow R_SPARC_32 on
  80         sparc64.
  81
  82 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
  83
  84         PR gold/20310
  85         * testsuite/dynamic_list.sh: Remove check for _ZdlPv.
  86
  87 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
  88
  89         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add eh_test_2.
  90         * testsuite/Makefile.in: Regenerate.
  91
  92 2016-06-30  Alan Modra  <amodra@gmail.com>
  93
  94         * testsuite/Makefile.am (memory_test, memory_test_2): Pass
  95         -Wl,-z to gcc, not plain -z.
  96         * testsuite/Makefile.in: Regenerate.
  97
  98 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
  99
 100         PR gold/20308
 101         * i386.cc (Target_i386::Relocate::relocate): Allow
 102         R_386_GOT32X relocation against ___tls_get_addr.
 103         (Target_i386::Relocate::tls_gd_to_ie): Support indirect
 104         call to __tls_get_addr.
 105         (Target_i386::Relocate::tls_gd_to_le): Likewise.
 106         (Target_i386::Relocate::tls_ld_to_le): Likewise.
 107         * testsuite/Makefile.am (check_PROGRAMS): Add pr20308a_test,
 108         pr20308b_test, pr20308c_test, pr20308d_test, pr20308e_test.
 109         (pr20308a_test_SOURCES): New.
 110         (pr20308a_test_DEPENDENCIES): Likewise.
 111         (pr20308a_test_CFLAGS): Likewise.
 112         (pr20308a_test_LDFLAGS): Likewise.
 113         (pr20308a_test_LDADD): Likewise.
 114         (pr20308b_test_SOURCES): Likewise.
 115         (pr20308b_test_DEPENDENCIES): Likewise.
 116         (pr20308b_test_CFLAGS): Likewise.
 117         (pr20308b_test_LDFLAGS): Likewise.
 118         (pr20308b_test_LDADD): Likewise.
 119         (pr20308c_test_SOURCES): Likewise.
 120         (pr20308c_test_DEPENDENCIES): Likewise.
 121         (pr20308c_test_CFLAGS): Likewise.
 122         (pr20308c_test_LDFLAGS): Likewise.
 123         (pr20308c_test_LDADD): Likewise.
 124         (pr20308d_test_SOURCES): Likewise.
 125         (pr20308d_test_DEPENDENCIES): Likewise.
 126         (pr20308d_test_CFLAGS): Likewise.
 127         (pr20308d_test_LDFLAGS): Likewise.
 128         (pr20308d_test_LDADD): Likewise.
 129         (pr20308e_test_SOURCES): Likewise.
 130         (pr20308e_test_DEPENDENCIES): Likewise.
 131         (pr20308e_test_CFLAGS): Likewise.
 132         (pr20308e_test_LDFLAGS): Likewise.
 133         (pr20308e_test_LDADD): Likewise.
 134         (pr20308a.so): Likewise.
 135         (pr20308b.so): Likewise.
 136         (pr20308_gd.o): Likewise.
 137         (pr20308_ld.o): Likewise.
 138         (MOSTLYCLEANFILES): Add pr20308a.so pr20308b.so.
 139         * testsuite/Makefile.in: Regenerated.
 140         * testsuite/pr20308_def.c: New file.
 141         * testsuite/pr20308_gd.S: Likewise.
 142         * testsuite/pr20308_ld.S: Likewise.
 143         * testsuite/pr20308_main.c: Likewise.
 144
 145 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 146
 147         PR gold/20216
 148         * configure.ac (DEFAULT_TARGET_X86_64_OR_X32): New
 149         AM_CONDITIONAL.
 150         * configure: Regenerated.
 151         * x86_64.cc (Target_x86_64<size>::Relocate::relocate): Allow
 152         R_X86_64_GOTPCRELX relocation against __tls_get_addr.
 153         (Target_x86_64<size>::Relocate::tls_gd_to_ie): Support indirect
 154         call to __tls_get_addr.
 155         (Target_x86_64<size>::Relocate::tls_gd_to_le): Likewise.
 156         (Target_x86_64<size>::Relocate::tls_ld_to_le): Likewise.
 157         * testsuite/Makefile.am (check_PROGRAMS): Add pr20216a_test,
 158         pr20216b_test, pr20216c_test, pr20216d_test, pr20216e_test.
 159         (pr20216a_test_SOURCES): New.
 160         (pr20216a_test_DEPENDENCIES): Likewise.
 161         (pr20216a_test_CFLAGS): Likewise.
 162         (pr20216a_test_LDFLAGS): Likewise.
 163         (pr20216a_test_LDADD): Likewise.
 164         (pr20216b_test_SOURCES): Likewise.
 165         (pr20216b_test_DEPENDENCIES): Likewise.
 166         (pr20216b_test_CFLAGS): Likewise.
 167         (pr20216b_test_LDFLAGS): Likewise.
 168         (pr20216b_test_LDADD): Likewise.
 169         (pr20216c_test_SOURCES): Likewise.
 170         (pr20216c_test_DEPENDENCIES): Likewise.
 171         (pr20216c_test_CFLAGS): Likewise.
 172         (pr20216c_test_LDFLAGS): Likewise.
 173         (pr20216c_test_LDADD): Likewise.
 174         (pr20216d_test_SOURCES): Likewise.
 175         (pr20216d_test_DEPENDENCIES): Likewise.
 176         (pr20216d_test_CFLAGS): Likewise.
 177         (pr20216d_test_LDFLAGS): Likewise.
 178         (pr20216d_test_LDADD): Likewise.
 179         (pr20216e_test_SOURCES): Likewise.
 180         (pr20216e_test_DEPENDENCIES): Likewise.
 181         (pr20216e_test_CFLAGS): Likewise.
 182         (pr20216e_test_LDFLAGS): Likewise.
 183         (pr20216e_test_LDADD): Likewise.
 184         (pr20216a.so): Likewise.
 185         (pr20216b.so): Likewise.
 186         (pr20216_gd.o): Likewise.
 187         (pr20216_ld.o): Likewise.
 188         (MOSTLYCLEANFILES): Add pr20216a.so pr20216b.so.
 189         * testsuite/Makefile.in: Regenerated.
 190         * testsuite/pr20216_def.c: New file.
 191         * testsuite/pr20216_gd.S: Likewise.
 192         * testsuite/pr20216_ld.S: Likewise.
 193         * testsuite/pr20216_main.c: Likewise.
 194
 195 2016-06-29  Alan Modra  <amodra@gmail.com>
 196
 197         * script_test_12.t: Delete .plt, specify 64k page size.
 198         * script_test_12i.t: Likewise.
 199
 200 2016-06-29  Alan Modra  <amodra@gmail.com>
 201
 202         * testsuite/plugin_layout_with_alignment.c: Explicitly align all
 203         variables.
 204
 205 2016-06-29  Alan Modra  <amodra@gmail.com>
 206
 207         * testsuite/Makefile.am (copy_test_protected): Disable for powerpc.
 208         * testsuite/Makefile.in: Regenerate.
 209
 210 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 211
 212         * aarch64-reloc.def (NONE): New relocation.
 213         * aarch64.cc (Target_aarch64::Scan::local): Handle R_AARCH64_NONE.
 214         (Target_aarch64::Scan::global): Likewise.
 215         * testsuite/Makefile.am (aarch64_reloc_none): New test.
 216         * testsuite/Makefile.in: Regenerate.
 217         * testsuite/aarch64_reloc_none.s: New test source file.
 218         * testsuite/aarch64_reloc_none.sh: New test script.
 219
 220 2016-06-28  Sriraman Tallam  <tmsriram@google.com>
 221
 222         * x86_64.cc (Lazy_view): New class.
 223         (can_convert_mov_to_lea): Templatize function.  Make the function
 224         check for appropriate relocation types and use the view parameter
 225         to get section contents.
 226         (can_convert_callq_to_direct): New function.
 227         (Target_x86_64<size>::Scan::global): Refactor.
 228         (Target_x86_64<size>::Relocate::relocate): Refactor. Change any indirect
 229         call via GOT that can be converted.
 230         * testsuite/Makefile.am (x86_64_indirect_call_to_direct.sh): New test.
 231         * testsuite/Makefile.in: Regenerate.
 232         * testsuite/x86_64_indirect_call_to_direct1.s: New file.
 233         * testsuite/x86_64_indirect_jump_to_direct1.s: New file.
 234
 235 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 236
 237         * aarch64.cc (Target_aarch64::Scan::local): Move the call to got_section
 238         from the top level to the places of its use.
 239
 240 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 241
 242         PR gold/18098
 243         * script-c.h (Sort_wildcard): Add SORT_WILDCARD_BY_INIT_PRIORITY.
 244         * script-sections.cc (Input_section_sorter::get_init_priority): New method.
 245         (Input_section_sorter::operator()): Handle SORT_WILDCARD_BY_INIT_PRIORITY.
 246         (Output_section_element_input::print): Likewise.
 247         * script.cc (script_keyword_parsecodes): Add entry SORT_BY_INIT_PRIORITY.
 248         * yyscript.y (SORT_BY_INIT_PRIORITY): New token.
 249         (wildcard_section): Handle SORT_BY_INIT_PRIORITY.
 250
 251         * testsuite/Makefile.am (script_test_14): New test.
 252         * testsuite/Makefile.in: Regenerate.
 253         * testsuite/script_test_14.s: New test source file.
 254         * testsuite/script_test_14.sh: New test script.
 255         * testsuite/script_test_14.t: New test linker script.
 256
 257 2016-06-28  James Clarke  <jrtc27@jrtc27.com>
 258
 259         * sparc.cc (Target_sparc::Scan::local): Don't convert R_SPARC_32
 260         to R_SPARC_RELATIVE if class is ELFCLASS64.
 261         (Target_sparc::Scan::global): Likewise.
 262
 263 2016-06-23  Cary Coutant  <ccoutant@gmail.com>
 264             Igor Kudrin  <ikudrin@accesssoftek.com>
 265
 266         PR gold/15370
 267         * script-sections.cc
 268         (Output_section_element_input::set_section_addresses): Keep bin_count
 269         separate from input_pattern_count.
 270         * testsuite/script_test_12.t: Add another section .x4.
 271         * testsuite/script_test_12i.t: Likewise.
 272         * testsuite/script_test_12a.c: Likewise.
 273         * testsuite/script_test_12b.c: Likewise.
 274
 275 2016-06-23  Igor Kudrin  <ikudrin@accesssoftek.com>
 276
 277         * gold-threads.cc (impl_threads::Lock_impl_threads): Fix typos.
 278
 279 2016-06-22  H.J. Lu  <hongjiu.lu@intel.com>
 280
 281         PR ld/20283
 282         * NEWS: Mention --enable-relro.
 283         * configure.ac: Add --enable-relro.
 284         (DEFAULT_LD_Z_RELRO): New.  Set by --enable-relro and default
 285         to 1.
 286         * config.in: Regenerated.
 287         * configure: Likewise.
 288         * options.h (General_options::relro): Default to
 289         DEFAULT_LD_Z_RELRO.
 290
 291 2016-06-20  Cary Coutant  <ccoutant@gmail.com>
 292
 293         * NEWS: Add new features in 1.12.
 294         * version.cc (version_string): Bump to 1.12.
 295
 296 2016-06-20  H.J. Lu  <hongjiu.lu@intel.com>
 297
 298         PR gold/20245
 299         * i386.cc (Target_i386::first_plt_entry_offset): Return 0 if
 300         plt_ is NULL.
 301         (Target_i386::plt_entry_size): Likewise.
 302         (Target_x86_64<size>::first_plt_entry_offset): Likewise.
 303         (Target_x86_64<size>::plt_entry_size): Likewise.
 304
 305 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 306
 307         * mips.cc (Target_mips::Target_mips): Initialize rld_map_.
 308         (Target_mips::rld_map_): New data member.
 309         (Target_mips::do_finalize_sections): Add support for
 310         DT_MIPS_RLD_MAP and DT_MIPS_RLD_MAP_REL dynamic tags,
 311         .rld_map section, and __RLD_MAP symbol.
 312         (Target_mips::do_dynamic_tag_custom_value): Add support for
 313         DT_MIPS_RLD_MAP_REL dynamic tag.
 314         * output.cc (Output_data_dynamic::get_entry_offset): New method
 315         definition.
 316         * output.h (Output_data_dynamic::get_entry_offset): New method
 317         declaration.
 318
 319 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 320
 321         * mips.cc (Mips_relocate_functions::relpc16): Add unaligned check.
 322
 323 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 324
 325         * mips.cc (relocation_needs_la25_stub): Add support for relocs:
 326         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 327         (hi16_reloc): Add support for R_MIPS_PCHI16 relocation.
 328         (is_matching_lo16_reloc): Likewise.
 329         (lo16_reloc): Add support for R_MIPS_PCLO16 relocation.
 330         (Mips_output_data_plt::plt_entry_r6): New static data member for
 331         R6 PLT entry.
 332         (Target_mips::is_output_r6): New method.
 333         (Target_mips::Mips_mach): Add new enum constants.
 334         (Mips_relocate_functions::Status): Likewise.
 335         (Mips_relocate_functions::pchi16_relocs): New static data member.
 336         (Mips_relocate_functions::relpc21): New method.
 337         (Mips_relocate_functions::relpc26): Likewise.
 338         (Mips_relocate_functions::relpc18): Likewise.
 339         (Mips_relocate_functions::relpc19): Likewise.
 340         (Mips_relocate_functions::relpchi16): Likewise.
 341         (Mips_relocate_functions::do_relpchi16): Likewise.
 342         (Mips_relocate_functions::relpclo16): Likewise.
 343         (Mips_output_data_plt::do_write): Add support for Mips r6 plt
 344         entry.
 345         (Target_mips::mips_32bit_flags): Add E_MIPS_ARCH_32R6 support.
 346         (Target_mips::elf_mips_mach): Add E_MIPS_ARCH_32R6 and
 347         E_MIPS_ARCH_64R6 support.
 348         (Target_mips::update_abiflags_isa): Likewise.
 349         (mips_get_size_for_reloc): Add support for relocs: R_MIPS_PCHI16,
 350         R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3 and
 351         R_MIPS_PC19_S2.
 352         (Target_mips::Scan::local): Add support for relocs: R_MIPS_PCHI16
 353         and R_MIPS_PCLO16.
 354         (Target_mips::Scan::global): Add support for relocs:
 355         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 356         (Target_mips::Relocate::relocate): Call functions for resolving
 357         Mips32r6 and Mips64r6 relocations, and print error message for
 358         STATUS_PCREL_UNALIGNED.
 359         (Target_mips::Scan::get_reference_flags): Add support for relocs:
 360         R_MIPS_PCHI16, R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2,
 361         R_MIPS_PC18_S3 and R_MIPS_PC19_S2.
 362         (Target_mips::elf_mips_mach_name): Add E_MIPS_ARCH_32R6 and
 363         E_MIPS_ARCH_64R6 support.
 364
 365 2016-06-13  H.J. Lu  <hongjiu.lu@intel.com>
 366
 367         PR gold/20246
 368         * testsuite/script_test_2.t: Add .got.plt after .got.
 369
 370 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 371
 372         * mips.cc (struct Mips_abiflags): New struct.
 373         (Mips_relobj::Mips_relobj): Initialize attributes_section_data_
 374         and abiflags_.
 375         (Mips_relobj::~Mips_relobj): Delete object pointed by
 376         attributes_section_data_.
 377         (Mips_relobj::abiflags): New method.
 378         (Mips_relobj::attributes_section_data): Likewise.
 379         (Mips_relobj::attributes_section_data_): New data member.
 380         (Mips_relobj::abiflags_): Likewise.
 381         (class Mips_output_section_abiflags): New class.
 382         (Target_mips::Target_mips): Initialize attributes_section_data_,
 383         abiflags_ and has_abiflags_section_.
 384         (Target_mips::do_should_include_section): Don't emit input
 385         .MIPS.abiflags sections to output .MIPS.abiflags.
 386         (Target_mips::Mips_mach): Add new enum constants.
 387         (Target_mips::mips_isa_ext_mach): New method.
 388         (Target_mips::mips_isa_ext): Likewise.
 389         (Target_mips::update_abiflags_isa): Likewise.
 390         (Target_mips::infer_abiflags): Likewise.
 391         (Target_mips::create_abiflags): Likewise.
 392         (Target_mips::fp_abi_string): Likewise.
 393         (Target_mips::select_fp_abi): Likewise.
 394         (Target_mips::merge_obj_attributes): Likewise.
 395         (Target_mips::merge_obj_abiflags): Likewise.
 396         (Target_mips::level_rev): Likewise.
 397         (Target_mips::merge_obj_e_flags): Rename from
 398         merge_processor_specific_flags. Remove dyn_obj argument,
 399         call update_abiflags_isa when needed, compare NaN encodings and
 400         compare FP64 state.
 401         (Target_mips::add_machine_extensions): Add two machine extensions
 402         and fix one.
 403         (Target_mips::attributes_section_data_): New data member.
 404         (Target_mips::abiflags_): Likewise.
 405         (Target_mips::has_abiflags_section_): Likewise.
 406         (Mips_relobj::do_read_symbols): Read .gnu.attributes and
 407         .MIPS.abiflags sections if they exists.
 408         (Target_mips::elf_mips_mach): Add E_MIPS_MACH_5900 and
 409         E_MIPS_MACH_OCTEON3 support.
 410         (Target_mips::do_adjust_elf_header): Setup EI_ABIVERSION flag.
 411         (Target_mips::do_finalize_sections): Merge .gnu.attributes and
 412         .MIPS.abiflags sections from input. Create these sections if
 413         needed.
 414         (Target_mips::elf_mips_mach_name): Add E_MIPS_MACH_5900 and
 415         E_MIPS_MACH_OCTEON3 support, and change strings for
 416         E_MIPS_MACH_LS2E, E_MIPS_MACH_LS2F and E_MIPS_MACH_LS3A just
 417         to match bfd.
 418
 419 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 420
 421         * mips.cc (Mips_relobj::Mips_relobj): Initialize
 422         has_reginfo_section_.
 423         (Mips_relobj::has_reginfo_section_): New data member.
 424         (Mips_relobj::has_reginfo_section): New method.
 425         (class Mips_output_section_reginfo): Change base class to
 426         Output_section_data, and set masks of the output .reginfo section
 427         in constructor.
 428         (Mips_output_section_reginfo::as_mips_output_section_reginfo):
 429         Remove.
 430         (Mips_output_section_reginfo::set_masks): Likewise.
 431         (Mips_output_section_reginfo::set_final_data_size): Likewise.
 432         (Mips_output_section_reginfo::do_print_to_mapfile): New method.
 433         (Target_mips::do_make_output_section): Remove.
 434         (Mips_relobj::do_read_symbols): Set has_reginfo_section_ to true
 435         if the object contains a .reginfo section.
 436         (Target_mips::do_finalize_sections): Create a .reginfo output
 437         section if needed.
 438
 439 2016-06-09  Artemiy Volkov  <artemiyv@acm.org>
 440
 441         * mips.cc (Mips_output_data_got::do_write): Add missing template
 442         args via typedef.
 443
 444 2016-05-30  Marcin Kościelnicki  <koriakin@0x04.net>
 445
 446         PR/19960
 447         * s390.cc (Target_s390::ss_code_st_r14): Removed.
 448         (Target_s390::ss_code_l_r14): Removed.
 449         (Target_s390::ss_code_ear): Removed.
 450         (Target_s390::ss_code_c): Removed.
 451         (Target_s390::ss_match_st_r14): New function.
 452         (Target_s390::ss_match_l_r14): New function.
 453         (Target_s390::ss_match_mcount): Call ss_match_{l,st}_r14 instead
 454         of matching code directly.
 455         (Target_s390::ss_match_ear): New function.
 456         (Target_s390::ss_match_c): New function.
 457         (Target_s390::do_calls_non_split): Call ss_match_{ear,c} instead
 458         of matching code directly.
 459
 460 2016-05-19  Cary Coutant  <ccoutant@gmail.com>
 461
 462         PR gold/19823
 463         * copy-relocs.cc (Copy_relocs::make_copy_reloc): Add object
 464         parameter; check for protected symbol.
 465         * copy-relocs.h (Copy_relocs::make_copy_reloc): Add object parameter.
 466         * mips.cc (Mips_copy_relocs): Adjust call to make_copy_reloc.
 467         * symtab.cc (Symbol::init_fields): Initialize is_protected_.
 468         (Symbol_table::add_from_dynobj): Mark protected symbols.
 469         * symtab.h (Symbol::is_protected): New method.
 470         (Symbol::set_is_protected): New method.
 471         (Symbol::is_protected_): New data member.
 472
 473         * testsuite/Makefile.am (copy_test_protected): New test.
 474         * testsuite/Makefile.in: Regenerate.
 475         * testsuite/copy_test.cc (main): Add legal reference to protected
 476         symbol.
 477         * testsuite/copy_test_v1.cc (main): Likewise.
 478         * testsuite/copy_test_2.cc (ip): Add protected symbol.
 479         * testsuite/copy_test_protected.cc: New test source file.
 480         * testsuite/copy_test_protected.sh: New test script.
 481
 482 2016-05-19  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 483
 484         * mips.cc (Mips_got_entry::Mips_got_entry): Remove object argument
 485         for global got symbols, and set addend to 0.
 486         (Mips_got_entry::hash): Change hash algorithm.
 487         (Mips_got_entry::equals): Refactor.
 488         (Mips_got_entry::object): Return input object for local got symbols
 489         from union d.
 490         (Mips_got_entry::addend): Change return of the relocation addend.
 491         (Mips_got_entry::addend_): Move from union d.
 492         (Mips_got_entry::object_): Move into union d.
 493         (class Mips_symbol_hash): New class.
 494         (Mips_got_info::Global_got_entry_set): New type.
 495         (Mips_got_info::global_got_symbols): Change return type to
 496         Global_got_entry_set.
 497         (Mips_got_info::global_got_symbols_): Change type to
 498         Global_got_entry_set.
 499         (Mips_symbol::hash): New method.
 500         (Mips_output_data_la25_stub::symbols_): Change type to std::vector.
 501         (Mips_output_data_mips_stubs::Mips_stubs_entry_set): New type.
 502         (Mips_output_data_mips_stubs::symbols_): Change type to
 503         Mips_stubs_entry_set.
 504         (Mips_got_info::record_global_got_symbol): Don't pass object
 505         argument when creating global got symbol.
 506         (Mips_got_info::record_got_entry): Remove find before inserting
 507         got entries.
 508         (Mips_got_info::add_reloc_only_entries): Change type of iterator
 509         to Global_got_entry_set.
 510         (Mips_got_info::count_got_symbols): Likewise.
 511         (Mips_output_data_la25_stub::create_la25_stub): Use push_back
 512         for adding entries to symbols_.
 513         (Mips_output_data_la25_stub::do_write): Change type of iterator
 514         to std::vector.
 515         (Mips_output_data_mips_stubs::set_lazy_stub_offsets): Change type
 516         of iterator to Mips_stubs_entry_set.
 517         (Mips_output_data_mips_stubs::set_needs_dynsym_value): Likewise.
 518         (Mips_output_data_mips_stubs::do_write): Likewise.
 519
 520 2016-05-06  Han Shen  <shenhan@google.com>
 521
 522         PR gold/19987.
 523
 524         * aarch64-reloc.def: New relocation type.
 525         * aarch64.cc (AArch64_relocate_functions::Page): Changed to public.
 526         (Target_aarch64::Scan::local): Add R_AARCH64_LD64_GOTPAGE_LO15.
 527         (Target_aarch64::Scan::global): Add R_AARCH64_LD64_GOTPAGE_LO15.
 528         (Target_aarch64::Relocate::relocate): Implement R_AARCH64_LD64_GOTPAGE_LO15.
 529
 530 2016-04-28  Nick Clifton  <nickc@redhat.com>
 531
 532         * po/zh_CN.po: Updated Chinese (simplified) translation.
 533
 534 2016-04-15  H.J. Lu  <hongjiu.lu@intel.com>
 535
 536         * Makefile.in: Regenerated with automake 1.11.6.
 537         * aclocal.m4: Likewise.
 538         * testsuite/Makefile.in: Likewise.
 539
 540 2016-03-30  Cary Coutant  <ccoutant@gmail.com>
 541
 542         PR gold/16979
 543         * symtab.cc (Symbol_table::define_default_version): Check for case
 544         where symbols are both in different shared objects.
 545
 546 2016-03-27  Cary Coutant  <ccoutant@gmail.com>
 547
 548         PR gold/16111
 549         * i386.cc (Target_i386): Add check for fully-resolved symbol for
 550         R_386_GOTOFF.
 551
 552 2016-03-22  Nick Clifton  <nickc@redhat.com>
 553
 554         * configure: Regenerate.
 555
 556 2016-03-21  Cary Coutant  <ccoutant@gmail.com>
 557
 558         PR gold/19842
 559         * errors.cc (Errors::undefined_symbol): Add info message when
 560         symbol should have been provided by a plugin.
 561         * target-reloc.h (issue_undefined_symbol_error): Check for
 562         placeholder symbols defined in discarded sections.
 563         * testsuite/Makefile.am (plugin_test_9b): New test case.
 564         * testsuite/Makefile.in: Regenerate.
 565         * testsuite/plugin_test_9b_elf.cc: New test source file.
 566         * testsuite/plugin_test_9b_ir.cc: New test source file.
 567
 568 2016-03-20  Cary Coutant  <ccoutant@gmail.com>
 569
 570         PR gold/19002
 571         * ehframe.cc (Eh_frame::read_fde): Check for dropped functions.
 572         * testsuite/Makefile.am (eh_test_2): New test.
 573         * testsuite/Makefile.in: Regenerate.
 574         * testsuite/eh_test_2.sh: New test script.
 575         * testsuite/eh_test_a.cc (bar): Make it comdat.
 576         * testsuite/eh_test_b.cc (bar): Add a duplicate copy.
 577
 578 2016-03-18  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 579
 580         * mips.cc (Mips_relobj::is_n64_): Remove.
 581         (Target_mips::ei_class_): Likewise.
 582         (Mips_relobj::is_newabi): Call methods.
 583         (Mips_relobj::is_n64): Change checking for N64 ABI.
 584         (Target_mips::is_output_n64): Likewise.
 585         (Target_mips::merge_processor_specific_flags): Remove ei_class
 586         argument, and remove comparing ei_class.
 587         (Target_mips::do_adjust_elf_header): Remove setting EI_CLASS field
 588         of the ELF header.
 589         (Target_mips::do_finalize_sections): Don't pass ei_class argument
 590         to merge_processor_specific_flags.
 591         (Target_mips::elf_mips_abi_name): Remove ei_class argument, and
 592         change checking for N64 ABI.
 593
 594 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 595
 596         * mips.cc (enum Special_relocation_symbol): New enum type.
 597         (is_readonly_section): New function.
 598         (eh_reloc): Likewise.
 599         (Mips_got_entry::is_section_symbol_): New member.
 600         (Mips_got_entry::is_section_symbol): New method.
 601         (Mips_got_info::record_local_got_symbol): Add is_section_symbol
 602         argument.
 603         (Mips_relobj::mips_elf_options_section_name): New method.
 604         (Mips_output_data_got::record_local_got_symbol): Add
 605         is_section_symbol argument, and pass it to
 606         Mips_got_info::record_local_got_symbol.
 607         (Mips_output_data_got::got_offset): Add addend argument, and pass
 608         it to Relobj::local_got_offset.
 609         (struct Mips_output_reloc_writer): New type.
 610         (class Mips_output_data_reloc): New class.
 611         (Mips_output_data_plt::Reloc_section): Change type to
 612         Mips_output_data_reloc.
 613         (Target_mips::Reloc_section): Likewise.
 614         (Mips_reloc_types::get_r_addend): Remove unsigned from return type.
 615         (Mips_classify_reloc::get_r_type2): New method.
 616         (Mips_classify_reloc::get_r_type3): Likewise.
 617         (Mips_classify_reloc::get_r_ssym): Likewise.
 618         (Target_mips::Reloca_section): Remove.
 619         (Relocate::should_apply_static_reloc): Rename from
 620         should_apply_r_mips_32_reloc.
 621         (Target_mips::copy_reloc): Replace Reltype parameter with r_type
 622         and r_offset.
 623         (Mips_relocate_functions::Valtype): New type.
 624         (Mips_relocate_functions::Valtype64): New type.
 625         (Mips_relocate_functions::check_overflow): New method.
 626         (Mips_relocate_functions::mips_reloc_unshuffle): Move to public
 627         interface.
 628         (Mips_relocate_functions::mips_reloc_shuffle): Likewise.
 629         (Mips_relocate_functions::rel16): Add support for resolving
 630         relocations for Mips64.
 631         (Mips_relocate_functions::rel32): Likewise.
 632         (Mips_relocate_functions::reljalr): Likewise.
 633         (Mips_relocate_functions::relpc32): Likewise.
 634         (Mips_relocate_functions::rel26): Likewise.
 635         (Mips_relocate_functions::relpc16): Likewise.
 636         (Mips_relocate_functions::relmicromips_pc7_s1): Likewise.
 637         (Mips_relocate_functions::relmicromips_pc10_s1): Likewise.
 638         (Mips_relocate_functions::relmicromips_pc16_s1): Likewise.
 639         (Mips_relocate_functions::do_relhi16): Likewise.
 640         (Mips_relocate_functions::do_relgot16_local): Likewise.
 641         (Mips_relocate_functions::rello16): Likewise.
 642         (Mips_relocate_functions::relgot): Likewise.
 643         (Mips_relocate_functions::relgotpage): Likewise.
 644         (Mips_relocate_functions::relgotofst): Likewise.
 645         (Mips_relocate_functions::relgot_hi16): Likewise.
 646         (Mips_relocate_functions::relgot_lo16): Likewise.
 647         (Mips_relocate_functions::relgprel): Likewise.
 648         (Mips_relocate_functions::relgprel32): Likewise.
 649         (Mips_relocate_functions::tlsrelhi16): Likewise.
 650         (Mips_relocate_functions::tlsrello16): Likewise.
 651         (Mips_relocate_functions::tlsrel32): Likewise.
 652         (Mips_relocate_functions::relsub): Likewise.
 653         (Mips_relocate_functions::releh): New method.
 654         (Mips_relocate_functions::rel64): Likewise.
 655         (Mips_got_info::record_local_got_symbol): Add is_section_symbol and
 656         pass it to Mips_got_entry.
 657         (Mips_got_info::add_local_entries): Pass addend argument
 658         to code functions, and for STT_SECTION symbols call
 659         add_symbolless_local_addend.
 660         (Mips_got_info::add_tls_entries): Pass addend argument to code
 661         functions.
 662         (Mips_relobj::do_read_symbols): Read gp value that was used to
 663         create object.
 664         (Mips_output_data_plt::plt_entry): Remove opcode from l[wd]
 665         instruction. Opcode for instruction will be selected later.
 666         (Target_mips::gc_process_relocs): Add case for SHT_RELA.
 667         (Target_mips::scan_relocatable_relocs): Likewise.
 668         (Target_mips::emit_relocs_scan): Likewise.
 669         (Target_mips::relocate_relocs): Likewise.
 670         (Target_mips::do_finalize_sections): Skip objects for merging
 671         processor specific flags in which all input sections will be
 672         discarded.
 673         (mips_get_size_for_reloc): Add case for R_MIPS_EH.
 674         (Target_mips::Scan::get_reference_flags): Likewise.
 675         (Target_mips::relocate_special_relocatable): Call rel26 method with
 676         calculate_only and calculated_value arguments.
 677         (Target_mips::Scan::local): Add case for R_MIPS_EH. Don't create a
 678         dynamic relocation against a readonly sections, and pass
 679         is_section_symbol to Mips_got_info::record_local_got_symbol.
 680         (Target_mips::Scan::global): Add case for R_MIPS_EH. Don't create a
 681         dynamic relocation against a readonly sections, and pass r_type
 682         and r_offset to Target_mips::copy_reloc.
 683         (Target_mips::Relocate::relocate): Add support for resolving
 684         relocations for Mips64.
 685         (Target_mips::mips_info): Add case for Mips64 default dynamic
 686         linker name.
 687         (Target_selector_mips): Correct emulation names.
 688
 689 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 690
 691         * mips.cc (class Mips_output_data_la25_stub): Add
 692         do_print_to_mapfile function.
 693
 694 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 695
 696         * mips.cc (Mips_classify_reloc::put_r_info): Call 32bit version of
 697         elf_r_info.
 698
 699 2016-03-09  H.J. Lu  <hongjiu.lu@intel.com>
 700
 701         * testsuite/plugin_layout_with_alignment.cc: Renamed to ..
 702         * testsuite/plugin_layout_with_alignment.c: This.
 703         * testsuite/Makefile.am (plugin_layout_with_alignment.o): Updated.
 704         (plugin_layout_with_alignment): Likewise.
 705         * testsuite/Makefile.in: Regenerated.
 706
 707 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 708
 709         PR 19751
 710         * testsuite/Makefile.am (retain_symbols_file_test): Remove check
 711         for constructor.
 712         * testsuite/Makefile.in: Regenerate.
 713         * testsuite/dynamic_list.sh: Likewise.
 714         * testsuite/retain_symbols_file_test.sh: Likewise.
 715
 716 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 717
 718         PR 19751
 719         * arm.cc (Reloc_stub::Key::name): Add unused attribute.
 720         * dirsearch.cc (Dir_caches::~Dir_caches): Likewise.
 721
 722 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 723             Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 724
 725         * output.cc (Output_reloc_writer): New type.
 726         (Output_data_reloc_base::do_write): Move implementation to template
 727         in output.h and replace with invocation of template.
 728         * output.h (Output_file): Move to top of file.
 729         (Output_reloc::get_symbol_index): Move to public interface.
 730         (Output_reloc::get_address): Likewise.
 731         (Output_data_reloc_base::do_write_generic): New function template.
 732
 733 2016-03-04  Cary Coutant  <ccoutant@gmail.com>
 734
 735         PR gold/19019
 736         PR gold/19763
 737         * symtab.cc: Instantiate Sized_symbol::init_constant and
 738         Sized_symbol::init_undefined.
 739
 740 2016-03-03  Cary Coutant  <ccoutant@gmail.com>
 741
 742         PR gold/19019
 743         * layout.h (Layout::add_target_specific_dynamic_tag): New function.
 744         * layout.cc (Layout::add_target_specific_dynamic_tag): New function.
 745         * mips.cc (Target_mips::make_symbol): Adjust function signature.
 746         * sparc.cc (Target_sparc::Target_sparc): Initialize register_syms_.
 747         (Target_sparc::do_is_defined_by_abi): Remove test for
 748         STT_SPARC_REGISTER.
 749         (Target_sparc::Register_symbol): New struct type.
 750         (Target_sparc::register_syms_): New data member.
 751         (Target_sparc<64, true>::sparc_info): Set has_make_symbol to true.
 752         (Target_sparc::make_symbol): New function.
 753         (Target_sparc::do_finalize_sections): Add register symbols and new
 754         dynamic table entries.
 755         * symtab.h (Sized_symbol::init_undefined): Add value parameter.
 756         (Symbol_table::add_target_global_symbol): New function.
 757         (Symbol_table::target_symbols_): New data member.
 758         * symtab.cc (Sized_symbol::init_undefined): Add value parameter.
 759         (Symbol_table::Symbol_table): Initialize target_symbols_.
 760         (Symbol_table::add_from_object): Pass additional parameters to
 761         Target::make_symbol.
 762         (Symbol_table::define_special_symbol): Likewise.
 763         (Symbol_table::add_undefined_symbol_from_command_line): Pass 0 for
 764         undefined symbol value.
 765         (Symbol_table::set_dynsym_indexes): Process target-specific symbols.
 766         (Symbol_table::sized_finalize): Likewise.
 767         (Symbol_table::sized_write_globals): Likewise.
 768         * target.h (Sized_target::make_symbol): Add name, st_type, object,
 769         st_shndx, and value parameters.
 770
 771 2016-03-03  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
 772
 773         * plugin.cc (do_should_include_member): Ignore LDPK_UNDEF and
 774         LDPK_WEAKUNDEF symbols.
 775
 776 2016-03-03  Than McIntosh  <thanm@google.com>
 777
 778         * plugin.cc (Plugin::load): Include hooks for get_input_section_size
 779         and get_input_section_alignment in transfer vector.
 780         (get_input_section_alignment): New function.
 781         (get_input_section_size): New function.
 782         * testsuite/Makefile.am: Add plugin_layout_with_alignment.sh test.
 783         * testsuite/Makefile.in: [Regenerate.]
 784         * testsuite/plugin_section_alignment.cc: New test file.
 785         * testsuite/plugin_layout_with_alignment.cc: New test file.
 786         * testsuite/plugin_layout_with_alignment.sh: New test file.
 787
 788 2016-03-03  Evgenii Stepanov  <eugenis@google.com>
 789
 790         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 791         parameter.
 792         * plugin.cc (get_symbols_v3): New function.
 793         (Plugin::load): Add LDPT_GET_SYMBOLS_V3.
 794         (Pluginobj::get_symbol_resolution_info): Return LDPS_NO_SYMS when using
 795         new version.
 796
 797 2016-02-26  Egor Kochetov  <egor.kochetov@intel.com>
 798             Cary Coutant  <ccoutant@gmail.com>
 799
 800         PR gold/19735
 801         * ehframe.h (Cie::fde_encoding): New method.
 802         * ehframe.cc (Eh_frame::read_fde): Discard FDEs for zero-length
 803         address ranges.
 804
 805 2016-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 806
 807         * testsuite/Makefile.am (x86_64_mov_to_lea5.o): Pass
 808         -mrelax-relocations=yes to $(TEST_AS).
 809         (x86_64_mov_to_lea6.o): Likewise.
 810         (x86_64_overflow_pc32.o): Remove duplicated target.
 811         * testsuite/Makefile.in: Regenerated.
 812
 813 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
 814
 815         * s390.cc (Target_s390::match_view_u): New helper method.
 816         (Target_s390::do_is_call_to_non_split): New method.
 817         (Target_s390::ss_code_st_r14): New const.
 818         (Target_s390::ss_code_l_r14): New const.
 819         (Target_s390::ss_code_bras_8): New const.
 820         (Target_s390::ss_code_l_basr): New const.
 821         (Target_s390::ss_code_a_basr): New const.
 822         (Target_s390::ss_code_ear): New const.
 823         (Target_s390::ss_code_c): New const.
 824         (Target_s390::ss_code_larl): New const.
 825         (Target_s390::ss_code_brasl): New const.
 826         (Target_s390::ss_code_jg): New const.
 827         (Target_s390::ss_code_jgl): New const.
 828         (Target_s390::ss_match_mcount): New helper method.
 829         (Target_s390::ss_match_l): New helper method.
 830         (Target_s390::ss_match_ahi): New helper method.
 831         (Target_s390::ss_match_alfi): New helper method.
 832         (Target_s390::ss_match_cr): New helper method.
 833         (Target_s390::do_calls_non_split): New method.
 834         * testsuite/Makefile.am: Added new tests.
 835         * testsuite/Makefile.in: Regenerate.
 836         * testsuite/split_s390.sh: New test.
 837         * testsuite/split_s390_1_a1.s: New test.
 838         * testsuite/split_s390_1_a2.s: New test.
 839         * testsuite/split_s390_1_n1.s: New test.
 840         * testsuite/split_s390_1_n2.s: New test.
 841         * testsuite/split_s390_1_z1.s: New test.
 842         * testsuite/split_s390_1_z2.s: New test.
 843         * testsuite/split_s390_1_z3.s: New test.
 844         * testsuite/split_s390_1_z4.s: New test.
 845         * testsuite/split_s390_2_ns.s: New test.
 846         * testsuite/split_s390_2_s.s: New test.
 847         * testsuite/split_s390x_1_a1.s: New test.
 848         * testsuite/split_s390x_1_a2.s: New test.
 849         * testsuite/split_s390x_1_n1.s: New test.
 850         * testsuite/split_s390x_1_n2.s: New test.
 851         * testsuite/split_s390x_1_z1.s: New test.
 852         * testsuite/split_s390x_1_z2.s: New test.
 853         * testsuite/split_s390x_1_z3.s: New test.
 854         * testsuite/split_s390x_1_z4.s: New test.
 855         * testsuite/split_s390x_2_ns.s: New test.
 856         * testsuite/split_s390x_2_s.s: New test.
 857
 858 2016-02-11 Rahul Chaudhry  <rahulchaudhry@google.com>
 859
 860         * aarch64.cc (Target_aarch64::scan_erratum_843419_span): Remove
 861         info message for every erratum 843419 found and fixed.
 862
 863 2016-02-07  Cary Coutant  <ccoutant@gmail.com>
 864
 865         PR gold/18695
 866         * x86_64.cc (Target_x86_64::Relocate::relocate): Add additional
 867         information to relocation overflow errors.
 868
 869 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 870
 871         PR gold/18695
 872         * x86_64.cc (X86_64_relocate_functions::pcrela32_check): Fix x32
 873         overflow checking when symbol value + addend < 0.
 874
 875 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 876
 877         PR gold/19577
 878         * reloc.h (Limits): New class.
 879         (Bits::has_overflow32): Use min/max values from Limits.
 880         (Bits::has_unsigned_overflow32): Likewise.
 881         (Bits::has_signed_unsigned_overflow32): Likewise.
 882         (Bits::has_overflow): Likewise.
 883         (Bits::has_unsigned_overflow): Likewise.
 884         (Bits::has_signed_unsigned_overflow64): Likewise.
 885
 886 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 887
 888         PR gold/19567
 889         * reloc.h (Relocate_functions::Overflow_check): Add comments.
 890         * x86_64.cc (X86_64_relocate_functions): New class.
 891         (Target_x86_64::Relocate::relocate): Use the new class.
 892         * testsuite/Makefile.am (x86_64_overflow_pc32): Add -Tdata option.
 893         (x32_overflow_pc32): New test case.
 894         * testsuite/Makefile.in: Regenerate.
 895         * testsuite/x32_overflow_pc32.sh: New script.
 896         * testsuite/x86_64_overflow_pc32.s: Remove .space directive.
 897
 898 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 899
 900         PR gold/19577
 901         * reloc.h (Bits::has_unsigned_overflow32): Fix static_cast.
 902         (Bits::has_unsigned_overflow): Remove unnecessary static_cast.
 903
 904 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 905
 906         PR gold/19577
 907         * reloc.h (Bits::has_unsigned_overflow32): Fix unsigned/signed
 908         comparison.
 909         (Bits::has_unsigned_overflow): Likewise.
 910
 911 2016-02-06  Marcin Kościelnicki  <koriakin@0x04.net>
 912
 913         * i386.cc (Target_i386::is_call_to_non_split): Add view and view_size
 914         parameters.
 915         * reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Pass view
 916         and view_size to is_call_to_non_split.
 917         * target.cc (Target::is_call_to_non_split): Add view and view_size
 918         parameters.
 919         * target.h (class Target): Likewise.
 920
 921 2016-02-05  Sriraman Tallam  <tmsriram@google.com>
 922
 923         * icf.cc (get_rel_addend): New function.
 924         (get_section_contents):  Move merge section addend computation to a
 925         new function.  Ignore negative values for SHT_REL and SHT_RELA addends.
 926         Fix bug to not read past the length of the section.
 927
 928 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
 929             Andrew Senkevich  <andrew.senkevich@intel.com>
 930
 931         PR gold/18695
 932         * x86_64.cc (Target_x86_64::Relocate::relocate): Add overflow
 933         checking for R_X86_64_32, R_X86_64_32S, R_X86_64_PC32, and
 934         R_X86_64_PLT32.
 935         * testsuite/Makefile.am (x86_64_overflow_pc32): New test.
 936         * testsuite/x86_64_overflow_pc32.sh: New test script.
 937         * testsuite/x86_64_overflow_pc32.s: New source file.
 938
 939 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
 940
 941         PR gold/18695
 942         * reloc.h (Relocate_functions::Address): New typedef.
 943         (Relocate_functions::Addendtype): New typedef.
 944         (Relocate_functions::Overflow_check): New enum type.
 945         (Relocate_functions::Reloc_status): New enum type.
 946         (Relocate_functions::check_overflow): New function template.
 947         (Relocate_functions::rel): Add check parameter; check for overflow.
 948         (Relocate_functions::rel_unaligned): Likewise.
 949         (Relocate_functions::rela): Likewise.
 950         (Relocate_functions::pcrel): Likewise.
 951         (Relocate_functions::pcrel_unaligned): Likewise.
 952         (Relocate_functions::pcrela): Likewise.
 953         (Relocate_functions::rel8): Adjust parameter types.
 954         (Relocate_functions::rela8): Likewise.
 955         (Relocate_functions::pcrel8): Likewise.
 956         (Relocate_functions::pcrela8): Likewise.
 957         (Relocate_functions::rel16): Likewise.
 958         (Relocate_functions::rela168): Likewise.
 959         (Relocate_functions::pcrel16): Likewise.
 960         (Relocate_functions::pcrela16): Likewise.
 961         (Relocate_functions::rel32): Likewise.
 962         (Relocate_functions::rel32_unaligned): Likewise.
 963         (Relocate_functions::rela32): Likewise.
 964         (Relocate_functions::pcrel32): Likewise.
 965         (Relocate_functions::pcrel32_unaligned): Likewise.
 966         (Relocate_functions::pcrela32): Likewise.
 967         (Relocate_functions::rel8_check): New function.
 968         (Relocate_functions::rela8_check): New function.
 969         (Relocate_functions::pcrel8_check): New function.
 970         (Relocate_functions::pcrela8_check): New function.
 971         (Relocate_functions::rel16_check): New function.
 972         (Relocate_functions::rela168_check): New function.
 973         (Relocate_functions::pcrel16_check): New function.
 974         (Relocate_functions::pcrela16_check): New function.
 975         (Relocate_functions::rel32_check): New function.
 976         (Relocate_functions::rel32_unaligned_check): New function.
 977         (Relocate_functions::rela32_check): New function.
 978         (Relocate_functions::pcrel32_check): New function.
 979         (Relocate_functions::pcrel32_unaligned_check): New function.
 980         (Relocate_functions::pcrela32_check): New function.
 981         (Bits::has_unsigned_overflow32): New function.
 982         (Bits::has_unsigned_overflow): New function.
 983         * testsuite/Makefile.am (overflow_unittest): New test.
 984         * testsuite/Makefile.in: Regenerate.
 985         * testsuite/overflow_unittest.cc: New source file.
 986
 987 2016-02-04  Alan Modra  <amodra@gmail.com>
 988
 989         * powerpc.cc (relocate): Adjust last patch for big-endian.
 990
 991 2016-02-02  Alan Modra  <amodra@gmail.com>
 992
 993         * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
 994
 995 2016-01-15 Han Shen  <shenhan@google.com>
 996
 997         PR gold/19472 - need pc-relative stubs.
 998
 999         * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
1000         stub type for DSOs and pie executables.
1001
1002 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
1003
1004         * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove
1005         'typename'.
1006
1007 2016-01-12  Cary Coutant  <ccoutant@gmail.com>
1008
1009         * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method.
1010         * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method.
1011         * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both
1012         specializations) New method.
1013
1014 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1015
1016         PR gold/19353
1017         * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
1018         we have a TLS segment for GD-to-IE optimization.
1019         * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
1020         Adjust all calls.
1021         (Target_i386::tls_desc_gd_to_ie): Likewise.
1022         (Target_i386::relocate_tls): Don't insist that we have a TLS segment
1023         for TLSDESC GD-to-IE optimizations.
1024         * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
1025         Adjust all calls.
1026         (Target_x86_64::tls_desc_gd_to_ie): Likewise.
1027         (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
1028         for TLSDESC GD-to-IE optimizations.
1029
1030 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1031
1032         Refactor gold to enable support for MIPS-64 relocation format.
1033
1034         * gc.h (get_embedded_addend_size): Remove sh_type parameter.
1035         (gc_process_relocs): Remove sh_type template parameter.
1036         Use Classify_reloc to access r_sym, r_type, and r_addend fields.
1037         * object.h (Sized_relobj_file::split_stack_adjust): Add target
1038         parameter.
1039         (Sized_relobj_file::split_stack_adjust_reltype): Likewise.
1040         * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA
1041         specializations) Remove.
1042         * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h.
1043         (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan().
1044         (Sized_relobj_file::emit_relocs_scan_reltype): Remove.
1045         (Sized_relobj_file::split_stack_adjust): Add target parameter.
1046         Adjust all callers.
1047         (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call
1048         Target::get_r_sym() to get r_sym field from relocations.
1049         (Track_relocs::next_symndx): Call Target::get_r_sym().
1050         * target-reloc.h (scan_relocs): Remove sh_type template parameter;
1051         add Classify_reloc template parameter.  Use for accessing r_sym and
1052         r_type.
1053         (relocate_section): Likewise.
1054         (Default_classify_reloc): New class (renamed and moved from reloc.cc).
1055         (Default_scan_relocatable_relocs): Remove sh_type template parameter.
1056         (Default_scan_relocatable_relocs::Reltype): New typedef.
1057         (Default_scan_relocatable_relocs::reloc_size): New const.
1058         (Default_scan_relocatable_relocs::sh_type): New const.
1059         (Default_scan_relocatable_relocs::get_r_sym): New method.
1060         (Default_scan_relocatable_relocs::get_r_type): New method.
1061         (Default_emit_relocs_strategy): New class.
1062         (scan_relocatable_relocs): Replace sh_type template parameter with
1063         Scan_relocatable_relocs class.  Use it to access r_sym and r_type
1064         fields.
1065         (relocate_relocs): Replace sh_type template parameter with
1066         Classify_reloc class.  Use it to access r_sym and r_type fields.
1067         * target.h (Target::is_call_to_non_split): Replace r_type parameter
1068         with pointer to relocation. Adjust all callers.
1069         (Target::do_is_call_to_non_split): Likewise.
1070         (Target::emit_relocs_scan): New virtual method.
1071         (Sized_target::get_r_sym): New virtual method.
1072         * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter
1073         with pointer to relocation.
1074
1075         * aarch64.cc (Target_aarch64::emit_relocs_scan): New method.
1076         (Target_aarch64::Relocatable_size_for_reloc): Remove.
1077         (Target_aarch64::gc_process_relocs): Use Default_classify_reloc.
1078         (Target_aarch64::scan_relocs): Likewise.
1079         (Target_aarch64::relocate_section): Likewise.
1080         (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc):
1081         Remove.
1082         (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc.
1083         (Target_aarch64::relocate_relocs): Use Default_classify_reloc.
1084         * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type
1085         template parameter.
1086         (Target_arm::emit_relocs_scan): New method.
1087         (Target_arm::Relocatable_size_for_reloc): Replace with...
1088         (Target_arm::Classify_reloc): ...this.
1089         (Target_arm::gc_process_relocs): Use Classify_reloc.
1090         (Target_arm::scan_relocs): Likewise.
1091         (Target_arm::relocate_section): Likewise.
1092         (Target_arm::scan_relocatable_relocs): Likewise.
1093         (Target_arm::relocate_relocs): Likewise.
1094         * i386.cc (Target_i386::emit_relocs_scan): New method.
1095         (Target_i386::Relocatable_size_for_reloc): Replace with...
1096         (Target_i386::Classify_reloc): ...this.
1097         (Target_i386::gc_process_relocs): Use Classify_reloc.
1098         (Target_i386::scan_relocs): Likewise.
1099         (Target_i386::relocate_section): Likewise.
1100         (Target_i386::scan_relocatable_relocs): Likewise.
1101         (Target_i386::relocate_relocs): Likewise.
1102         * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template
1103         parameter.
1104         (Mips_reloc_types): New class template.
1105         (Mips_classify_reloc): New class template.
1106         (Target_mips::Reltype): New typedef.
1107         (Target_mips::Relatype): New typedef.
1108         (Target_mips::emit_relocs_scan): New method.
1109         (Target_mips::get_r_sym): New method.
1110         (Target_mips::Relocatable_size_for_reloc): Replace with
1111         Mips_classify_reloc.
1112         (Target_mips::copy_reloc): Use Mips_classify_reloc.
1113         (Target_mips::gc_process_relocs): Likewise.
1114         (Target_mips::scan_relocs): Likewise.
1115         (Target_mips::relocate_section): Likewise.
1116         (Target_mips::scan_relocatable_relocs): Likewise.
1117         (Target_mips::relocate_relocs): Likewise.
1118         (mips_get_size_for_reloc): New function, factored out from
1119         Relocatable_size_for_reloc::get_size_for_reloc.
1120         (Target_mips::Scan::local): Use Mips_classify_reloc.
1121         (Target_mips::Scan::global): Likewise.
1122         (Target_mips::Relocate::relocate): Likewise.
1123         * powerpc.cc (Target_powerpc::emit_relocs_scan): New method.
1124         (Target_powerpc::Relocatable_size_for_reloc): Remove.
1125         (Target_powerpc::gc_process_relocs): Use Default_classify_reloc.
1126         (Target_powerpc::scan_relocs): Likewise.
1127         (Target_powerpc::relocate_section): Likewise.
1128         (Powerpc_scan_relocatable_reloc): Convert to class template.
1129         (Powerpc_scan_relocatable_reloc::Reltype): New typedef.
1130         (Powerpc_scan_relocatable_reloc::reloc_size): New const.
1131         (Powerpc_scan_relocatable_reloc::sh_type): New const.
1132         (Powerpc_scan_relocatable_reloc::get_r_sym): New method.
1133         (Powerpc_scan_relocatable_reloc::get_r_type): New method.
1134         (Target_powerpc::scan_relocatable_relocs): Use
1135         Powerpc_scan_relocatable_reloc.
1136         (Target_powerpc::relocate_relocs): Use Default_classify_reloc.
1137         * s390.cc (Target_s390::emit_relocs_scan): New method.
1138         (Target_s390::Relocatable_size_for_reloc): Remove.
1139         (Target_s390::gc_process_relocs): Use Default_classify_reloc.
1140         (Target_s390::scan_relocs): Likewise.
1141         (Target_s390::relocate_section): Likewise.
1142         (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc):
1143         Remove.
1144         (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc.
1145         (Target_s390::relocate_relocs): Use Default_classify_reloc.
1146         * sparc.cc (Target_sparc::emit_relocs_scan): New method.
1147         (Target_sparc::Relocatable_size_for_reloc): Remove.
1148         (Target_sparc::gc_process_relocs): Use Default_classify_reloc.
1149         (Target_sparc::scan_relocs): Likewise.
1150         (Target_sparc::relocate_section): Likewise.
1151         (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc):
1152         Remove.
1153         (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc.
1154         (Target_sparc::relocate_relocs): Use Default_classify_reloc.
1155         * tilegx.cc (Target_tilegx::emit_relocs_scan): New method.
1156         (Target_tilegx::Relocatable_size_for_reloc): Remove.
1157         (Target_tilegx::gc_process_relocs): Use Default_classify_reloc.
1158         (Target_tilegx::scan_relocs): Likewise.
1159         (Target_tilegx::relocate_section): Likewise.
1160         (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc):
1161         Remove.
1162         (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc.
1163         (Target_tilegx::relocate_relocs): Use Default_classify_reloc.
1164         * x86_64.cc (Target_x86_64::emit_relocs_scan): New method.
1165         (Target_x86_64::Relocatable_size_for_reloc): Remove.
1166         (Target_x86_64::gc_process_relocs): Use Default_classify_reloc.
1167         (Target_x86_64::scan_relocs): Likewise.
1168         (Target_x86_64::relocate_section): Likewise.
1169         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1170         Remove.
1171         (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc.
1172         (Target_x86_64::relocate_relocs): Use Default_classify_reloc.
1173
1174         * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method.
1175
1176 2016-01-01  Alan Modra  <amodra@gmail.com>
1177
1178         Update year range in copyright notice of all files.
1179
1180 For older changes see ChangeLog-0815
1181 \f
1182 Copyright (C) 2016 Free Software Foundation, Inc.
1183
1184 Copying and distribution of this file, with or without modification,
1185 are permitted in any medium without royalty provided the copyright
1186 notice and this notice are preserved.
1187
1188 Local Variables:
1189 mode: change-log
1190 left-margin: 8
1191 fill-column: 74
1192 version-control: never
1193 End: