gold/ChangeLog

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