gold/ChangeLog

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