gold/ChangeLog

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