gold/ChangeLog

   1 2016-08-30  Alan Modra  <amodra@gmail.com>
   2
   3         PR 20523
   4         * powerpc.cc (class Stub_control): Add has14_.  Comment owner_.
   5         (Stub_control::can_add_to_stub_group): Correct grouping of
   6         sections containing 14-bit external branches.  When returning
   7         false, set state_ to reflect the fact that we have one section
   8         for the next group.  Rewrite most of function for clarity.
   9         Add and expand comments.
  10         (Target_powerpc::do_relax): Print stub group size retry in hex.
  11
  12 2016-08-26  Han Shen  <shenhan@google.com>
  13
  14         PR gold/20529 - relaxing loop never ends.
  15
  16         * powerpc.cc (Stub_table::min_size_threshold_): New member to
  17         limit size.
  18         (Stub_table::set_min_size_threshold): New member function.
  19         (Stub_table::set_address_and_size): Add code to only allow size
  20         increase.
  21         (Target_powerpc::do_relax): Add code to record last size.
  22
  23 2016-08-23  Roland McGrath  <roland@hack.frob.com>
  24
  25         * options.h (General_options): Grok -z stack-size.
  26         * output.h (Output_segment::set_size): New method.
  27         * layout.cc (Layout::create_executable_stack_info): Renamed to ...
  28         (Layout::create_stack_segment): ... this.  Always create the
  29         segment if -z stack-size was used.
  30         (Layout::set_segment_offsets): Don't call ->set_offset on the
  31         PT_GNU_STACK segment.
  32
  33 2016-08-15  Bharathi Seshadri  <bseshadr@cisco.com>
  34
  35         * options.h (General_options): Add --be8 option.
  36         * arm.cc (Arm_relobj::do_relocate_sections): Add code to swap for be8.
  37         (Output_data_plt_arm_standard::do_fill_first_plt_entry): Likewise.
  38         (Output_data_plt_arm_short::do_fill_plt_entry): Likewise.
  39         (Output_data_plt_arm_long::do_fill_plt_entry): Likewise.
  40         (Target_arm::do_adjust_elf_header): Do EF_ARM_BE8 adjustment.
  41
  42 2016-08-17  Cary Coutant  <ccoutant@gmail.com>
  43
  44         * i386.cc (Target_i386): Reset skip_call_tls_get_addr_ after printing
  45         error message.
  46         * testsuite/Makefile.am (pr20216a): Add missing dependencies.
  47         (pr20308a): Add -Bgcctestdir/ to compile rules.
  48         * testsuite/Makefile.in: Regenerate.
  49
  50 2016-08-12  Roland McGrath  <roland@hack.frob.com>
  51
  52         PR gold/20462
  53         * script-sections.cc (Script_sections::release_segments):
  54         Reset this->segments_created_.
  55
  56 2016-08-12  Roland McGrath  <roland@hack.frob.com>
  57
  58         * yyscript.y (HIDDEN): New %token.
  59         (assignment): Handle HIDDEN(string = expr) syntax.
  60         * script.cc (script_keyword_parsecodes): Add HIDDEN.
  61
  62 2016-08-10  Cary Coutant  <ccoutant@gmail.com>
  63
  64         PR gold/20216
  65         * x86_64.cc (Target_x86_64::Relocate::relocate): Add check for
  66         R_X86_64_GOTPCREL. Reset skip_call_tls_get_addr_ after printing
  67         error message.
  68         * testsuite/Makefile.am (pr20216_gd.o): Add -Bgcctestdir/.
  69         (pr20216_ld.o): Likewise.
  70         * testsuite/Makefile.in: Regenerate.
  71
  72 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
  73
  74         PR gold/20443
  75         * symtab.cc (Symbol_table::add_from_relobj): Handle NULL symbols,
  76         which will be present for STT_SPARC_REGISTER.
  77         (Symbol_table::add_from_pluginobj): Likewise.
  78         (Symbol_table::add_from_dynobj): Likewise.
  79         (Symbol_table::add_from_incrobj): Removed dead code.
  80
  81 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
  82
  83         PR gold/20442
  84         * sparc.cc (Target_sparc::Relocate::relocate): R_SPARC_GOTDATA_OP_LOX10
  85         should fall back on R_SPARC_GOT10, not R_SPARC_GOT13.
  86
  87 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
  88
  89         PR gold/20441
  90         * sparc.cc (Target_sparc::Scan::check_non_pic): Allow R_SPARC_32 on
  91         sparc64.
  92
  93 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
  94
  95         PR gold/20310
  96         * testsuite/dynamic_list.sh: Remove check for _ZdlPv.
  97
  98 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
  99
 100         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add eh_test_2.
 101         * testsuite/Makefile.in: Regenerate.
 102
 103 2016-06-30  Alan Modra  <amodra@gmail.com>
 104
 105         * testsuite/Makefile.am (memory_test, memory_test_2): Pass
 106         -Wl,-z to gcc, not plain -z.
 107         * testsuite/Makefile.in: Regenerate.
 108
 109 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 110
 111         PR gold/20308
 112         * i386.cc (Target_i386::Relocate::relocate): Allow
 113         R_386_GOT32X relocation against ___tls_get_addr.
 114         (Target_i386::Relocate::tls_gd_to_ie): Support indirect
 115         call to __tls_get_addr.
 116         (Target_i386::Relocate::tls_gd_to_le): Likewise.
 117         (Target_i386::Relocate::tls_ld_to_le): Likewise.
 118         * testsuite/Makefile.am (check_PROGRAMS): Add pr20308a_test,
 119         pr20308b_test, pr20308c_test, pr20308d_test, pr20308e_test.
 120         (pr20308a_test_SOURCES): New.
 121         (pr20308a_test_DEPENDENCIES): Likewise.
 122         (pr20308a_test_CFLAGS): Likewise.
 123         (pr20308a_test_LDFLAGS): Likewise.
 124         (pr20308a_test_LDADD): Likewise.
 125         (pr20308b_test_SOURCES): Likewise.
 126         (pr20308b_test_DEPENDENCIES): Likewise.
 127         (pr20308b_test_CFLAGS): Likewise.
 128         (pr20308b_test_LDFLAGS): Likewise.
 129         (pr20308b_test_LDADD): Likewise.
 130         (pr20308c_test_SOURCES): Likewise.
 131         (pr20308c_test_DEPENDENCIES): Likewise.
 132         (pr20308c_test_CFLAGS): Likewise.
 133         (pr20308c_test_LDFLAGS): Likewise.
 134         (pr20308c_test_LDADD): Likewise.
 135         (pr20308d_test_SOURCES): Likewise.
 136         (pr20308d_test_DEPENDENCIES): Likewise.
 137         (pr20308d_test_CFLAGS): Likewise.
 138         (pr20308d_test_LDFLAGS): Likewise.
 139         (pr20308d_test_LDADD): Likewise.
 140         (pr20308e_test_SOURCES): Likewise.
 141         (pr20308e_test_DEPENDENCIES): Likewise.
 142         (pr20308e_test_CFLAGS): Likewise.
 143         (pr20308e_test_LDFLAGS): Likewise.
 144         (pr20308e_test_LDADD): Likewise.
 145         (pr20308a.so): Likewise.
 146         (pr20308b.so): Likewise.
 147         (pr20308_gd.o): Likewise.
 148         (pr20308_ld.o): Likewise.
 149         (MOSTLYCLEANFILES): Add pr20308a.so pr20308b.so.
 150         * testsuite/Makefile.in: Regenerated.
 151         * testsuite/pr20308_def.c: New file.
 152         * testsuite/pr20308_gd.S: Likewise.
 153         * testsuite/pr20308_ld.S: Likewise.
 154         * testsuite/pr20308_main.c: Likewise.
 155
 156 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 157
 158         PR gold/20216
 159         * configure.ac (DEFAULT_TARGET_X86_64_OR_X32): New
 160         AM_CONDITIONAL.
 161         * configure: Regenerated.
 162         * x86_64.cc (Target_x86_64<size>::Relocate::relocate): Allow
 163         R_X86_64_GOTPCRELX relocation against __tls_get_addr.
 164         (Target_x86_64<size>::Relocate::tls_gd_to_ie): Support indirect
 165         call to __tls_get_addr.
 166         (Target_x86_64<size>::Relocate::tls_gd_to_le): Likewise.
 167         (Target_x86_64<size>::Relocate::tls_ld_to_le): Likewise.
 168         * testsuite/Makefile.am (check_PROGRAMS): Add pr20216a_test,
 169         pr20216b_test, pr20216c_test, pr20216d_test, pr20216e_test.
 170         (pr20216a_test_SOURCES): New.
 171         (pr20216a_test_DEPENDENCIES): Likewise.
 172         (pr20216a_test_CFLAGS): Likewise.
 173         (pr20216a_test_LDFLAGS): Likewise.
 174         (pr20216a_test_LDADD): Likewise.
 175         (pr20216b_test_SOURCES): Likewise.
 176         (pr20216b_test_DEPENDENCIES): Likewise.
 177         (pr20216b_test_CFLAGS): Likewise.
 178         (pr20216b_test_LDFLAGS): Likewise.
 179         (pr20216b_test_LDADD): Likewise.
 180         (pr20216c_test_SOURCES): Likewise.
 181         (pr20216c_test_DEPENDENCIES): Likewise.
 182         (pr20216c_test_CFLAGS): Likewise.
 183         (pr20216c_test_LDFLAGS): Likewise.
 184         (pr20216c_test_LDADD): Likewise.
 185         (pr20216d_test_SOURCES): Likewise.
 186         (pr20216d_test_DEPENDENCIES): Likewise.
 187         (pr20216d_test_CFLAGS): Likewise.
 188         (pr20216d_test_LDFLAGS): Likewise.
 189         (pr20216d_test_LDADD): Likewise.
 190         (pr20216e_test_SOURCES): Likewise.
 191         (pr20216e_test_DEPENDENCIES): Likewise.
 192         (pr20216e_test_CFLAGS): Likewise.
 193         (pr20216e_test_LDFLAGS): Likewise.
 194         (pr20216e_test_LDADD): Likewise.
 195         (pr20216a.so): Likewise.
 196         (pr20216b.so): Likewise.
 197         (pr20216_gd.o): Likewise.
 198         (pr20216_ld.o): Likewise.
 199         (MOSTLYCLEANFILES): Add pr20216a.so pr20216b.so.
 200         * testsuite/Makefile.in: Regenerated.
 201         * testsuite/pr20216_def.c: New file.
 202         * testsuite/pr20216_gd.S: Likewise.
 203         * testsuite/pr20216_ld.S: Likewise.
 204         * testsuite/pr20216_main.c: Likewise.
 205
 206 2016-06-29  Alan Modra  <amodra@gmail.com>
 207
 208         * script_test_12.t: Delete .plt, specify 64k page size.
 209         * script_test_12i.t: Likewise.
 210
 211 2016-06-29  Alan Modra  <amodra@gmail.com>
 212
 213         * testsuite/plugin_layout_with_alignment.c: Explicitly align all
 214         variables.
 215
 216 2016-06-29  Alan Modra  <amodra@gmail.com>
 217
 218         * testsuite/Makefile.am (copy_test_protected): Disable for powerpc.
 219         * testsuite/Makefile.in: Regenerate.
 220
 221 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 222
 223         * aarch64-reloc.def (NONE): New relocation.
 224         * aarch64.cc (Target_aarch64::Scan::local): Handle R_AARCH64_NONE.
 225         (Target_aarch64::Scan::global): Likewise.
 226         * testsuite/Makefile.am (aarch64_reloc_none): New test.
 227         * testsuite/Makefile.in: Regenerate.
 228         * testsuite/aarch64_reloc_none.s: New test source file.
 229         * testsuite/aarch64_reloc_none.sh: New test script.
 230
 231 2016-06-28  Sriraman Tallam  <tmsriram@google.com>
 232
 233         * x86_64.cc (Lazy_view): New class.
 234         (can_convert_mov_to_lea): Templatize function.  Make the function
 235         check for appropriate relocation types and use the view parameter
 236         to get section contents.
 237         (can_convert_callq_to_direct): New function.
 238         (Target_x86_64<size>::Scan::global): Refactor.
 239         (Target_x86_64<size>::Relocate::relocate): Refactor. Change any indirect
 240         call via GOT that can be converted.
 241         * testsuite/Makefile.am (x86_64_indirect_call_to_direct.sh): New test.
 242         * testsuite/Makefile.in: Regenerate.
 243         * testsuite/x86_64_indirect_call_to_direct1.s: New file.
 244         * testsuite/x86_64_indirect_jump_to_direct1.s: New file.
 245
 246 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 247
 248         * aarch64.cc (Target_aarch64::Scan::local): Move the call to got_section
 249         from the top level to the places of its use.
 250
 251 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 252
 253         PR gold/18098
 254         * script-c.h (Sort_wildcard): Add SORT_WILDCARD_BY_INIT_PRIORITY.
 255         * script-sections.cc (Input_section_sorter::get_init_priority): New method.
 256         (Input_section_sorter::operator()): Handle SORT_WILDCARD_BY_INIT_PRIORITY.
 257         (Output_section_element_input::print): Likewise.
 258         * script.cc (script_keyword_parsecodes): Add entry SORT_BY_INIT_PRIORITY.
 259         * yyscript.y (SORT_BY_INIT_PRIORITY): New token.
 260         (wildcard_section): Handle SORT_BY_INIT_PRIORITY.
 261
 262         * testsuite/Makefile.am (script_test_14): New test.
 263         * testsuite/Makefile.in: Regenerate.
 264         * testsuite/script_test_14.s: New test source file.
 265         * testsuite/script_test_14.sh: New test script.
 266         * testsuite/script_test_14.t: New test linker script.
 267
 268 2016-06-28  James Clarke  <jrtc27@jrtc27.com>
 269
 270         * sparc.cc (Target_sparc::Scan::local): Don't convert R_SPARC_32
 271         to R_SPARC_RELATIVE if class is ELFCLASS64.
 272         (Target_sparc::Scan::global): Likewise.
 273
 274 2016-06-23  Cary Coutant  <ccoutant@gmail.com>
 275             Igor Kudrin  <ikudrin@accesssoftek.com>
 276
 277         PR gold/15370
 278         * script-sections.cc
 279         (Output_section_element_input::set_section_addresses): Keep bin_count
 280         separate from input_pattern_count.
 281         * testsuite/script_test_12.t: Add another section .x4.
 282         * testsuite/script_test_12i.t: Likewise.
 283         * testsuite/script_test_12a.c: Likewise.
 284         * testsuite/script_test_12b.c: Likewise.
 285
 286 2016-06-23  Igor Kudrin  <ikudrin@accesssoftek.com>
 287
 288         * gold-threads.cc (impl_threads::Lock_impl_threads): Fix typos.
 289
 290 2016-06-22  H.J. Lu  <hongjiu.lu@intel.com>
 291
 292         PR ld/20283
 293         * NEWS: Mention --enable-relro.
 294         * configure.ac: Add --enable-relro.
 295         (DEFAULT_LD_Z_RELRO): New.  Set by --enable-relro and default
 296         to 1.
 297         * config.in: Regenerated.
 298         * configure: Likewise.
 299         * options.h (General_options::relro): Default to
 300         DEFAULT_LD_Z_RELRO.
 301
 302 2016-06-20  Cary Coutant  <ccoutant@gmail.com>
 303
 304         * NEWS: Add new features in 1.12.
 305         * version.cc (version_string): Bump to 1.12.
 306
 307 2016-06-20  H.J. Lu  <hongjiu.lu@intel.com>
 308
 309         PR gold/20245
 310         * i386.cc (Target_i386::first_plt_entry_offset): Return 0 if
 311         plt_ is NULL.
 312         (Target_i386::plt_entry_size): Likewise.
 313         (Target_x86_64<size>::first_plt_entry_offset): Likewise.
 314         (Target_x86_64<size>::plt_entry_size): Likewise.
 315
 316 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 317
 318         * mips.cc (Target_mips::Target_mips): Initialize rld_map_.
 319         (Target_mips::rld_map_): New data member.
 320         (Target_mips::do_finalize_sections): Add support for
 321         DT_MIPS_RLD_MAP and DT_MIPS_RLD_MAP_REL dynamic tags,
 322         .rld_map section, and __RLD_MAP symbol.
 323         (Target_mips::do_dynamic_tag_custom_value): Add support for
 324         DT_MIPS_RLD_MAP_REL dynamic tag.
 325         * output.cc (Output_data_dynamic::get_entry_offset): New method
 326         definition.
 327         * output.h (Output_data_dynamic::get_entry_offset): New method
 328         declaration.
 329
 330 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 331
 332         * mips.cc (Mips_relocate_functions::relpc16): Add unaligned check.
 333
 334 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 335
 336         * mips.cc (relocation_needs_la25_stub): Add support for relocs:
 337         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 338         (hi16_reloc): Add support for R_MIPS_PCHI16 relocation.
 339         (is_matching_lo16_reloc): Likewise.
 340         (lo16_reloc): Add support for R_MIPS_PCLO16 relocation.
 341         (Mips_output_data_plt::plt_entry_r6): New static data member for
 342         R6 PLT entry.
 343         (Target_mips::is_output_r6): New method.
 344         (Target_mips::Mips_mach): Add new enum constants.
 345         (Mips_relocate_functions::Status): Likewise.
 346         (Mips_relocate_functions::pchi16_relocs): New static data member.
 347         (Mips_relocate_functions::relpc21): New method.
 348         (Mips_relocate_functions::relpc26): Likewise.
 349         (Mips_relocate_functions::relpc18): Likewise.
 350         (Mips_relocate_functions::relpc19): Likewise.
 351         (Mips_relocate_functions::relpchi16): Likewise.
 352         (Mips_relocate_functions::do_relpchi16): Likewise.
 353         (Mips_relocate_functions::relpclo16): Likewise.
 354         (Mips_output_data_plt::do_write): Add support for Mips r6 plt
 355         entry.
 356         (Target_mips::mips_32bit_flags): Add E_MIPS_ARCH_32R6 support.
 357         (Target_mips::elf_mips_mach): Add E_MIPS_ARCH_32R6 and
 358         E_MIPS_ARCH_64R6 support.
 359         (Target_mips::update_abiflags_isa): Likewise.
 360         (mips_get_size_for_reloc): Add support for relocs: R_MIPS_PCHI16,
 361         R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3 and
 362         R_MIPS_PC19_S2.
 363         (Target_mips::Scan::local): Add support for relocs: R_MIPS_PCHI16
 364         and R_MIPS_PCLO16.
 365         (Target_mips::Scan::global): Add support for relocs:
 366         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 367         (Target_mips::Relocate::relocate): Call functions for resolving
 368         Mips32r6 and Mips64r6 relocations, and print error message for
 369         STATUS_PCREL_UNALIGNED.
 370         (Target_mips::Scan::get_reference_flags): Add support for relocs:
 371         R_MIPS_PCHI16, R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2,
 372         R_MIPS_PC18_S3 and R_MIPS_PC19_S2.
 373         (Target_mips::elf_mips_mach_name): Add E_MIPS_ARCH_32R6 and
 374         E_MIPS_ARCH_64R6 support.
 375
 376 2016-06-13  H.J. Lu  <hongjiu.lu@intel.com>
 377
 378         PR gold/20246
 379         * testsuite/script_test_2.t: Add .got.plt after .got.
 380
 381 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 382
 383         * mips.cc (struct Mips_abiflags): New struct.
 384         (Mips_relobj::Mips_relobj): Initialize attributes_section_data_
 385         and abiflags_.
 386         (Mips_relobj::~Mips_relobj): Delete object pointed by
 387         attributes_section_data_.
 388         (Mips_relobj::abiflags): New method.
 389         (Mips_relobj::attributes_section_data): Likewise.
 390         (Mips_relobj::attributes_section_data_): New data member.
 391         (Mips_relobj::abiflags_): Likewise.
 392         (class Mips_output_section_abiflags): New class.
 393         (Target_mips::Target_mips): Initialize attributes_section_data_,
 394         abiflags_ and has_abiflags_section_.
 395         (Target_mips::do_should_include_section): Don't emit input
 396         .MIPS.abiflags sections to output .MIPS.abiflags.
 397         (Target_mips::Mips_mach): Add new enum constants.
 398         (Target_mips::mips_isa_ext_mach): New method.
 399         (Target_mips::mips_isa_ext): Likewise.
 400         (Target_mips::update_abiflags_isa): Likewise.
 401         (Target_mips::infer_abiflags): Likewise.
 402         (Target_mips::create_abiflags): Likewise.
 403         (Target_mips::fp_abi_string): Likewise.
 404         (Target_mips::select_fp_abi): Likewise.
 405         (Target_mips::merge_obj_attributes): Likewise.
 406         (Target_mips::merge_obj_abiflags): Likewise.
 407         (Target_mips::level_rev): Likewise.
 408         (Target_mips::merge_obj_e_flags): Rename from
 409         merge_processor_specific_flags. Remove dyn_obj argument,
 410         call update_abiflags_isa when needed, compare NaN encodings and
 411         compare FP64 state.
 412         (Target_mips::add_machine_extensions): Add two machine extensions
 413         and fix one.
 414         (Target_mips::attributes_section_data_): New data member.
 415         (Target_mips::abiflags_): Likewise.
 416         (Target_mips::has_abiflags_section_): Likewise.
 417         (Mips_relobj::do_read_symbols): Read .gnu.attributes and
 418         .MIPS.abiflags sections if they exists.
 419         (Target_mips::elf_mips_mach): Add E_MIPS_MACH_5900 and
 420         E_MIPS_MACH_OCTEON3 support.
 421         (Target_mips::do_adjust_elf_header): Setup EI_ABIVERSION flag.
 422         (Target_mips::do_finalize_sections): Merge .gnu.attributes and
 423         .MIPS.abiflags sections from input. Create these sections if
 424         needed.
 425         (Target_mips::elf_mips_mach_name): Add E_MIPS_MACH_5900 and
 426         E_MIPS_MACH_OCTEON3 support, and change strings for
 427         E_MIPS_MACH_LS2E, E_MIPS_MACH_LS2F and E_MIPS_MACH_LS3A just
 428         to match bfd.
 429
 430 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 431
 432         * mips.cc (Mips_relobj::Mips_relobj): Initialize
 433         has_reginfo_section_.
 434         (Mips_relobj::has_reginfo_section_): New data member.
 435         (Mips_relobj::has_reginfo_section): New method.
 436         (class Mips_output_section_reginfo): Change base class to
 437         Output_section_data, and set masks of the output .reginfo section
 438         in constructor.
 439         (Mips_output_section_reginfo::as_mips_output_section_reginfo):
 440         Remove.
 441         (Mips_output_section_reginfo::set_masks): Likewise.
 442         (Mips_output_section_reginfo::set_final_data_size): Likewise.
 443         (Mips_output_section_reginfo::do_print_to_mapfile): New method.
 444         (Target_mips::do_make_output_section): Remove.
 445         (Mips_relobj::do_read_symbols): Set has_reginfo_section_ to true
 446         if the object contains a .reginfo section.
 447         (Target_mips::do_finalize_sections): Create a .reginfo output
 448         section if needed.
 449
 450 2016-06-09  Artemiy Volkov  <artemiyv@acm.org>
 451
 452         * mips.cc (Mips_output_data_got::do_write): Add missing template
 453         args via typedef.
 454
 455 2016-05-30  Marcin Kościelnicki  <koriakin@0x04.net>
 456
 457         PR/19960
 458         * s390.cc (Target_s390::ss_code_st_r14): Removed.
 459         (Target_s390::ss_code_l_r14): Removed.
 460         (Target_s390::ss_code_ear): Removed.
 461         (Target_s390::ss_code_c): Removed.
 462         (Target_s390::ss_match_st_r14): New function.
 463         (Target_s390::ss_match_l_r14): New function.
 464         (Target_s390::ss_match_mcount): Call ss_match_{l,st}_r14 instead
 465         of matching code directly.
 466         (Target_s390::ss_match_ear): New function.
 467         (Target_s390::ss_match_c): New function.
 468         (Target_s390::do_calls_non_split): Call ss_match_{ear,c} instead
 469         of matching code directly.
 470
 471 2016-05-19  Cary Coutant  <ccoutant@gmail.com>
 472
 473         PR gold/19823
 474         * copy-relocs.cc (Copy_relocs::make_copy_reloc): Add object
 475         parameter; check for protected symbol.
 476         * copy-relocs.h (Copy_relocs::make_copy_reloc): Add object parameter.
 477         * mips.cc (Mips_copy_relocs): Adjust call to make_copy_reloc.
 478         * symtab.cc (Symbol::init_fields): Initialize is_protected_.
 479         (Symbol_table::add_from_dynobj): Mark protected symbols.
 480         * symtab.h (Symbol::is_protected): New method.
 481         (Symbol::set_is_protected): New method.
 482         (Symbol::is_protected_): New data member.
 483
 484         * testsuite/Makefile.am (copy_test_protected): New test.
 485         * testsuite/Makefile.in: Regenerate.
 486         * testsuite/copy_test.cc (main): Add legal reference to protected
 487         symbol.
 488         * testsuite/copy_test_v1.cc (main): Likewise.
 489         * testsuite/copy_test_2.cc (ip): Add protected symbol.
 490         * testsuite/copy_test_protected.cc: New test source file.
 491         * testsuite/copy_test_protected.sh: New test script.
 492
 493 2016-05-19  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 494
 495         * mips.cc (Mips_got_entry::Mips_got_entry): Remove object argument
 496         for global got symbols, and set addend to 0.
 497         (Mips_got_entry::hash): Change hash algorithm.
 498         (Mips_got_entry::equals): Refactor.
 499         (Mips_got_entry::object): Return input object for local got symbols
 500         from union d.
 501         (Mips_got_entry::addend): Change return of the relocation addend.
 502         (Mips_got_entry::addend_): Move from union d.
 503         (Mips_got_entry::object_): Move into union d.
 504         (class Mips_symbol_hash): New class.
 505         (Mips_got_info::Global_got_entry_set): New type.
 506         (Mips_got_info::global_got_symbols): Change return type to
 507         Global_got_entry_set.
 508         (Mips_got_info::global_got_symbols_): Change type to
 509         Global_got_entry_set.
 510         (Mips_symbol::hash): New method.
 511         (Mips_output_data_la25_stub::symbols_): Change type to std::vector.
 512         (Mips_output_data_mips_stubs::Mips_stubs_entry_set): New type.
 513         (Mips_output_data_mips_stubs::symbols_): Change type to
 514         Mips_stubs_entry_set.
 515         (Mips_got_info::record_global_got_symbol): Don't pass object
 516         argument when creating global got symbol.
 517         (Mips_got_info::record_got_entry): Remove find before inserting
 518         got entries.
 519         (Mips_got_info::add_reloc_only_entries): Change type of iterator
 520         to Global_got_entry_set.
 521         (Mips_got_info::count_got_symbols): Likewise.
 522         (Mips_output_data_la25_stub::create_la25_stub): Use push_back
 523         for adding entries to symbols_.
 524         (Mips_output_data_la25_stub::do_write): Change type of iterator
 525         to std::vector.
 526         (Mips_output_data_mips_stubs::set_lazy_stub_offsets): Change type
 527         of iterator to Mips_stubs_entry_set.
 528         (Mips_output_data_mips_stubs::set_needs_dynsym_value): Likewise.
 529         (Mips_output_data_mips_stubs::do_write): Likewise.
 530
 531 2016-05-06  Han Shen  <shenhan@google.com>
 532
 533         PR gold/19987.
 534
 535         * aarch64-reloc.def: New relocation type.
 536         * aarch64.cc (AArch64_relocate_functions::Page): Changed to public.
 537         (Target_aarch64::Scan::local): Add R_AARCH64_LD64_GOTPAGE_LO15.
 538         (Target_aarch64::Scan::global): Add R_AARCH64_LD64_GOTPAGE_LO15.
 539         (Target_aarch64::Relocate::relocate): Implement R_AARCH64_LD64_GOTPAGE_LO15.
 540
 541 2016-04-28  Nick Clifton  <nickc@redhat.com>
 542
 543         * po/zh_CN.po: Updated Chinese (simplified) translation.
 544
 545 2016-04-15  H.J. Lu  <hongjiu.lu@intel.com>
 546
 547         * Makefile.in: Regenerated with automake 1.11.6.
 548         * aclocal.m4: Likewise.
 549         * testsuite/Makefile.in: Likewise.
 550
 551 2016-03-30  Cary Coutant  <ccoutant@gmail.com>
 552
 553         PR gold/16979
 554         * symtab.cc (Symbol_table::define_default_version): Check for case
 555         where symbols are both in different shared objects.
 556
 557 2016-03-27  Cary Coutant  <ccoutant@gmail.com>
 558
 559         PR gold/16111
 560         * i386.cc (Target_i386): Add check for fully-resolved symbol for
 561         R_386_GOTOFF.
 562
 563 2016-03-22  Nick Clifton  <nickc@redhat.com>
 564
 565         * configure: Regenerate.
 566
 567 2016-03-21  Cary Coutant  <ccoutant@gmail.com>
 568
 569         PR gold/19842
 570         * errors.cc (Errors::undefined_symbol): Add info message when
 571         symbol should have been provided by a plugin.
 572         * target-reloc.h (issue_undefined_symbol_error): Check for
 573         placeholder symbols defined in discarded sections.
 574         * testsuite/Makefile.am (plugin_test_9b): New test case.
 575         * testsuite/Makefile.in: Regenerate.
 576         * testsuite/plugin_test_9b_elf.cc: New test source file.
 577         * testsuite/plugin_test_9b_ir.cc: New test source file.
 578
 579 2016-03-20  Cary Coutant  <ccoutant@gmail.com>
 580
 581         PR gold/19002
 582         * ehframe.cc (Eh_frame::read_fde): Check for dropped functions.
 583         * testsuite/Makefile.am (eh_test_2): New test.
 584         * testsuite/Makefile.in: Regenerate.
 585         * testsuite/eh_test_2.sh: New test script.
 586         * testsuite/eh_test_a.cc (bar): Make it comdat.
 587         * testsuite/eh_test_b.cc (bar): Add a duplicate copy.
 588
 589 2016-03-18  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 590
 591         * mips.cc (Mips_relobj::is_n64_): Remove.
 592         (Target_mips::ei_class_): Likewise.
 593         (Mips_relobj::is_newabi): Call methods.
 594         (Mips_relobj::is_n64): Change checking for N64 ABI.
 595         (Target_mips::is_output_n64): Likewise.
 596         (Target_mips::merge_processor_specific_flags): Remove ei_class
 597         argument, and remove comparing ei_class.
 598         (Target_mips::do_adjust_elf_header): Remove setting EI_CLASS field
 599         of the ELF header.
 600         (Target_mips::do_finalize_sections): Don't pass ei_class argument
 601         to merge_processor_specific_flags.
 602         (Target_mips::elf_mips_abi_name): Remove ei_class argument, and
 603         change checking for N64 ABI.
 604
 605 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 606
 607         * mips.cc (enum Special_relocation_symbol): New enum type.
 608         (is_readonly_section): New function.
 609         (eh_reloc): Likewise.
 610         (Mips_got_entry::is_section_symbol_): New member.
 611         (Mips_got_entry::is_section_symbol): New method.
 612         (Mips_got_info::record_local_got_symbol): Add is_section_symbol
 613         argument.
 614         (Mips_relobj::mips_elf_options_section_name): New method.
 615         (Mips_output_data_got::record_local_got_symbol): Add
 616         is_section_symbol argument, and pass it to
 617         Mips_got_info::record_local_got_symbol.
 618         (Mips_output_data_got::got_offset): Add addend argument, and pass
 619         it to Relobj::local_got_offset.
 620         (struct Mips_output_reloc_writer): New type.
 621         (class Mips_output_data_reloc): New class.
 622         (Mips_output_data_plt::Reloc_section): Change type to
 623         Mips_output_data_reloc.
 624         (Target_mips::Reloc_section): Likewise.
 625         (Mips_reloc_types::get_r_addend): Remove unsigned from return type.
 626         (Mips_classify_reloc::get_r_type2): New method.
 627         (Mips_classify_reloc::get_r_type3): Likewise.
 628         (Mips_classify_reloc::get_r_ssym): Likewise.
 629         (Target_mips::Reloca_section): Remove.
 630         (Relocate::should_apply_static_reloc): Rename from
 631         should_apply_r_mips_32_reloc.
 632         (Target_mips::copy_reloc): Replace Reltype parameter with r_type
 633         and r_offset.
 634         (Mips_relocate_functions::Valtype): New type.
 635         (Mips_relocate_functions::Valtype64): New type.
 636         (Mips_relocate_functions::check_overflow): New method.
 637         (Mips_relocate_functions::mips_reloc_unshuffle): Move to public
 638         interface.
 639         (Mips_relocate_functions::mips_reloc_shuffle): Likewise.
 640         (Mips_relocate_functions::rel16): Add support for resolving
 641         relocations for Mips64.
 642         (Mips_relocate_functions::rel32): Likewise.
 643         (Mips_relocate_functions::reljalr): Likewise.
 644         (Mips_relocate_functions::relpc32): Likewise.
 645         (Mips_relocate_functions::rel26): Likewise.
 646         (Mips_relocate_functions::relpc16): Likewise.
 647         (Mips_relocate_functions::relmicromips_pc7_s1): Likewise.
 648         (Mips_relocate_functions::relmicromips_pc10_s1): Likewise.
 649         (Mips_relocate_functions::relmicromips_pc16_s1): Likewise.
 650         (Mips_relocate_functions::do_relhi16): Likewise.
 651         (Mips_relocate_functions::do_relgot16_local): Likewise.
 652         (Mips_relocate_functions::rello16): Likewise.
 653         (Mips_relocate_functions::relgot): Likewise.
 654         (Mips_relocate_functions::relgotpage): Likewise.
 655         (Mips_relocate_functions::relgotofst): Likewise.
 656         (Mips_relocate_functions::relgot_hi16): Likewise.
 657         (Mips_relocate_functions::relgot_lo16): Likewise.
 658         (Mips_relocate_functions::relgprel): Likewise.
 659         (Mips_relocate_functions::relgprel32): Likewise.
 660         (Mips_relocate_functions::tlsrelhi16): Likewise.
 661         (Mips_relocate_functions::tlsrello16): Likewise.
 662         (Mips_relocate_functions::tlsrel32): Likewise.
 663         (Mips_relocate_functions::relsub): Likewise.
 664         (Mips_relocate_functions::releh): New method.
 665         (Mips_relocate_functions::rel64): Likewise.
 666         (Mips_got_info::record_local_got_symbol): Add is_section_symbol and
 667         pass it to Mips_got_entry.
 668         (Mips_got_info::add_local_entries): Pass addend argument
 669         to code functions, and for STT_SECTION symbols call
 670         add_symbolless_local_addend.
 671         (Mips_got_info::add_tls_entries): Pass addend argument to code
 672         functions.
 673         (Mips_relobj::do_read_symbols): Read gp value that was used to
 674         create object.
 675         (Mips_output_data_plt::plt_entry): Remove opcode from l[wd]
 676         instruction. Opcode for instruction will be selected later.
 677         (Target_mips::gc_process_relocs): Add case for SHT_RELA.
 678         (Target_mips::scan_relocatable_relocs): Likewise.
 679         (Target_mips::emit_relocs_scan): Likewise.
 680         (Target_mips::relocate_relocs): Likewise.
 681         (Target_mips::do_finalize_sections): Skip objects for merging
 682         processor specific flags in which all input sections will be
 683         discarded.
 684         (mips_get_size_for_reloc): Add case for R_MIPS_EH.
 685         (Target_mips::Scan::get_reference_flags): Likewise.
 686         (Target_mips::relocate_special_relocatable): Call rel26 method with
 687         calculate_only and calculated_value arguments.
 688         (Target_mips::Scan::local): Add case for R_MIPS_EH. Don't create a
 689         dynamic relocation against a readonly sections, and pass
 690         is_section_symbol to Mips_got_info::record_local_got_symbol.
 691         (Target_mips::Scan::global): Add case for R_MIPS_EH. Don't create a
 692         dynamic relocation against a readonly sections, and pass r_type
 693         and r_offset to Target_mips::copy_reloc.
 694         (Target_mips::Relocate::relocate): Add support for resolving
 695         relocations for Mips64.
 696         (Target_mips::mips_info): Add case for Mips64 default dynamic
 697         linker name.
 698         (Target_selector_mips): Correct emulation names.
 699
 700 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 701
 702         * mips.cc (class Mips_output_data_la25_stub): Add
 703         do_print_to_mapfile function.
 704
 705 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 706
 707         * mips.cc (Mips_classify_reloc::put_r_info): Call 32bit version of
 708         elf_r_info.
 709
 710 2016-03-09  H.J. Lu  <hongjiu.lu@intel.com>
 711
 712         * testsuite/plugin_layout_with_alignment.cc: Renamed to ..
 713         * testsuite/plugin_layout_with_alignment.c: This.
 714         * testsuite/Makefile.am (plugin_layout_with_alignment.o): Updated.
 715         (plugin_layout_with_alignment): Likewise.
 716         * testsuite/Makefile.in: Regenerated.
 717
 718 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 719
 720         PR 19751
 721         * testsuite/Makefile.am (retain_symbols_file_test): Remove check
 722         for constructor.
 723         * testsuite/Makefile.in: Regenerate.
 724         * testsuite/dynamic_list.sh: Likewise.
 725         * testsuite/retain_symbols_file_test.sh: Likewise.
 726
 727 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 728
 729         PR 19751
 730         * arm.cc (Reloc_stub::Key::name): Add unused attribute.
 731         * dirsearch.cc (Dir_caches::~Dir_caches): Likewise.
 732
 733 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 734             Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 735
 736         * output.cc (Output_reloc_writer): New type.
 737         (Output_data_reloc_base::do_write): Move implementation to template
 738         in output.h and replace with invocation of template.
 739         * output.h (Output_file): Move to top of file.
 740         (Output_reloc::get_symbol_index): Move to public interface.
 741         (Output_reloc::get_address): Likewise.
 742         (Output_data_reloc_base::do_write_generic): New function template.
 743
 744 2016-03-04  Cary Coutant  <ccoutant@gmail.com>
 745
 746         PR gold/19019
 747         PR gold/19763
 748         * symtab.cc: Instantiate Sized_symbol::init_constant and
 749         Sized_symbol::init_undefined.
 750
 751 2016-03-03  Cary Coutant  <ccoutant@gmail.com>
 752
 753         PR gold/19019
 754         * layout.h (Layout::add_target_specific_dynamic_tag): New function.
 755         * layout.cc (Layout::add_target_specific_dynamic_tag): New function.
 756         * mips.cc (Target_mips::make_symbol): Adjust function signature.
 757         * sparc.cc (Target_sparc::Target_sparc): Initialize register_syms_.
 758         (Target_sparc::do_is_defined_by_abi): Remove test for
 759         STT_SPARC_REGISTER.
 760         (Target_sparc::Register_symbol): New struct type.
 761         (Target_sparc::register_syms_): New data member.
 762         (Target_sparc<64, true>::sparc_info): Set has_make_symbol to true.
 763         (Target_sparc::make_symbol): New function.
 764         (Target_sparc::do_finalize_sections): Add register symbols and new
 765         dynamic table entries.
 766         * symtab.h (Sized_symbol::init_undefined): Add value parameter.
 767         (Symbol_table::add_target_global_symbol): New function.
 768         (Symbol_table::target_symbols_): New data member.
 769         * symtab.cc (Sized_symbol::init_undefined): Add value parameter.
 770         (Symbol_table::Symbol_table): Initialize target_symbols_.
 771         (Symbol_table::add_from_object): Pass additional parameters to
 772         Target::make_symbol.
 773         (Symbol_table::define_special_symbol): Likewise.
 774         (Symbol_table::add_undefined_symbol_from_command_line): Pass 0 for
 775         undefined symbol value.
 776         (Symbol_table::set_dynsym_indexes): Process target-specific symbols.
 777         (Symbol_table::sized_finalize): Likewise.
 778         (Symbol_table::sized_write_globals): Likewise.
 779         * target.h (Sized_target::make_symbol): Add name, st_type, object,
 780         st_shndx, and value parameters.
 781
 782 2016-03-03  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
 783
 784         * plugin.cc (do_should_include_member): Ignore LDPK_UNDEF and
 785         LDPK_WEAKUNDEF symbols.
 786
 787 2016-03-03  Than McIntosh  <thanm@google.com>
 788
 789         * plugin.cc (Plugin::load): Include hooks for get_input_section_size
 790         and get_input_section_alignment in transfer vector.
 791         (get_input_section_alignment): New function.
 792         (get_input_section_size): New function.
 793         * testsuite/Makefile.am: Add plugin_layout_with_alignment.sh test.
 794         * testsuite/Makefile.in: [Regenerate.]
 795         * testsuite/plugin_section_alignment.cc: New test file.
 796         * testsuite/plugin_layout_with_alignment.cc: New test file.
 797         * testsuite/plugin_layout_with_alignment.sh: New test file.
 798
 799 2016-03-03  Evgenii Stepanov  <eugenis@google.com>
 800
 801         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 802         parameter.
 803         * plugin.cc (get_symbols_v3): New function.
 804         (Plugin::load): Add LDPT_GET_SYMBOLS_V3.
 805         (Pluginobj::get_symbol_resolution_info): Return LDPS_NO_SYMS when using
 806         new version.
 807
 808 2016-02-26  Egor Kochetov  <egor.kochetov@intel.com>
 809             Cary Coutant  <ccoutant@gmail.com>
 810
 811         PR gold/19735
 812         * ehframe.h (Cie::fde_encoding): New method.
 813         * ehframe.cc (Eh_frame::read_fde): Discard FDEs for zero-length
 814         address ranges.
 815
 816 2016-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 817
 818         * testsuite/Makefile.am (x86_64_mov_to_lea5.o): Pass
 819         -mrelax-relocations=yes to $(TEST_AS).
 820         (x86_64_mov_to_lea6.o): Likewise.
 821         (x86_64_overflow_pc32.o): Remove duplicated target.
 822         * testsuite/Makefile.in: Regenerated.
 823
 824 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
 825
 826         * s390.cc (Target_s390::match_view_u): New helper method.
 827         (Target_s390::do_is_call_to_non_split): New method.
 828         (Target_s390::ss_code_st_r14): New const.
 829         (Target_s390::ss_code_l_r14): New const.
 830         (Target_s390::ss_code_bras_8): New const.
 831         (Target_s390::ss_code_l_basr): New const.
 832         (Target_s390::ss_code_a_basr): New const.
 833         (Target_s390::ss_code_ear): New const.
 834         (Target_s390::ss_code_c): New const.
 835         (Target_s390::ss_code_larl): New const.
 836         (Target_s390::ss_code_brasl): New const.
 837         (Target_s390::ss_code_jg): New const.
 838         (Target_s390::ss_code_jgl): New const.
 839         (Target_s390::ss_match_mcount): New helper method.
 840         (Target_s390::ss_match_l): New helper method.
 841         (Target_s390::ss_match_ahi): New helper method.
 842         (Target_s390::ss_match_alfi): New helper method.
 843         (Target_s390::ss_match_cr): New helper method.
 844         (Target_s390::do_calls_non_split): New method.
 845         * testsuite/Makefile.am: Added new tests.
 846         * testsuite/Makefile.in: Regenerate.
 847         * testsuite/split_s390.sh: New test.
 848         * testsuite/split_s390_1_a1.s: New test.
 849         * testsuite/split_s390_1_a2.s: New test.
 850         * testsuite/split_s390_1_n1.s: New test.
 851         * testsuite/split_s390_1_n2.s: New test.
 852         * testsuite/split_s390_1_z1.s: New test.
 853         * testsuite/split_s390_1_z2.s: New test.
 854         * testsuite/split_s390_1_z3.s: New test.
 855         * testsuite/split_s390_1_z4.s: New test.
 856         * testsuite/split_s390_2_ns.s: New test.
 857         * testsuite/split_s390_2_s.s: New test.
 858         * testsuite/split_s390x_1_a1.s: New test.
 859         * testsuite/split_s390x_1_a2.s: New test.
 860         * testsuite/split_s390x_1_n1.s: New test.
 861         * testsuite/split_s390x_1_n2.s: New test.
 862         * testsuite/split_s390x_1_z1.s: New test.
 863         * testsuite/split_s390x_1_z2.s: New test.
 864         * testsuite/split_s390x_1_z3.s: New test.
 865         * testsuite/split_s390x_1_z4.s: New test.
 866         * testsuite/split_s390x_2_ns.s: New test.
 867         * testsuite/split_s390x_2_s.s: New test.
 868
 869 2016-02-11 Rahul Chaudhry  <rahulchaudhry@google.com>
 870
 871         * aarch64.cc (Target_aarch64::scan_erratum_843419_span): Remove
 872         info message for every erratum 843419 found and fixed.
 873
 874 2016-02-07  Cary Coutant  <ccoutant@gmail.com>
 875
 876         PR gold/18695
 877         * x86_64.cc (Target_x86_64::Relocate::relocate): Add additional
 878         information to relocation overflow errors.
 879
 880 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 881
 882         PR gold/18695
 883         * x86_64.cc (X86_64_relocate_functions::pcrela32_check): Fix x32
 884         overflow checking when symbol value + addend < 0.
 885
 886 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 887
 888         PR gold/19577
 889         * reloc.h (Limits): New class.
 890         (Bits::has_overflow32): Use min/max values from Limits.
 891         (Bits::has_unsigned_overflow32): Likewise.
 892         (Bits::has_signed_unsigned_overflow32): Likewise.
 893         (Bits::has_overflow): Likewise.
 894         (Bits::has_unsigned_overflow): Likewise.
 895         (Bits::has_signed_unsigned_overflow64): Likewise.
 896
 897 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 898
 899         PR gold/19567
 900         * reloc.h (Relocate_functions::Overflow_check): Add comments.
 901         * x86_64.cc (X86_64_relocate_functions): New class.
 902         (Target_x86_64::Relocate::relocate): Use the new class.
 903         * testsuite/Makefile.am (x86_64_overflow_pc32): Add -Tdata option.
 904         (x32_overflow_pc32): New test case.
 905         * testsuite/Makefile.in: Regenerate.
 906         * testsuite/x32_overflow_pc32.sh: New script.
 907         * testsuite/x86_64_overflow_pc32.s: Remove .space directive.
 908
 909 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 910
 911         PR gold/19577
 912         * reloc.h (Bits::has_unsigned_overflow32): Fix static_cast.
 913         (Bits::has_unsigned_overflow): Remove unnecessary static_cast.
 914
 915 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 916
 917         PR gold/19577
 918         * reloc.h (Bits::has_unsigned_overflow32): Fix unsigned/signed
 919         comparison.
 920         (Bits::has_unsigned_overflow): Likewise.
 921
 922 2016-02-06  Marcin Kościelnicki  <koriakin@0x04.net>
 923
 924         * i386.cc (Target_i386::is_call_to_non_split): Add view and view_size
 925         parameters.
 926         * reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Pass view
 927         and view_size to is_call_to_non_split.
 928         * target.cc (Target::is_call_to_non_split): Add view and view_size
 929         parameters.
 930         * target.h (class Target): Likewise.
 931
 932 2016-02-05  Sriraman Tallam  <tmsriram@google.com>
 933
 934         * icf.cc (get_rel_addend): New function.
 935         (get_section_contents):  Move merge section addend computation to a
 936         new function.  Ignore negative values for SHT_REL and SHT_RELA addends.
 937         Fix bug to not read past the length of the section.
 938
 939 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
 940             Andrew Senkevich  <andrew.senkevich@intel.com>
 941
 942         PR gold/18695
 943         * x86_64.cc (Target_x86_64::Relocate::relocate): Add overflow
 944         checking for R_X86_64_32, R_X86_64_32S, R_X86_64_PC32, and
 945         R_X86_64_PLT32.
 946         * testsuite/Makefile.am (x86_64_overflow_pc32): New test.
 947         * testsuite/x86_64_overflow_pc32.sh: New test script.
 948         * testsuite/x86_64_overflow_pc32.s: New source file.
 949
 950 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
 951
 952         PR gold/18695
 953         * reloc.h (Relocate_functions::Address): New typedef.
 954         (Relocate_functions::Addendtype): New typedef.
 955         (Relocate_functions::Overflow_check): New enum type.
 956         (Relocate_functions::Reloc_status): New enum type.
 957         (Relocate_functions::check_overflow): New function template.
 958         (Relocate_functions::rel): Add check parameter; check for overflow.
 959         (Relocate_functions::rel_unaligned): Likewise.
 960         (Relocate_functions::rela): Likewise.
 961         (Relocate_functions::pcrel): Likewise.
 962         (Relocate_functions::pcrel_unaligned): Likewise.
 963         (Relocate_functions::pcrela): Likewise.
 964         (Relocate_functions::rel8): Adjust parameter types.
 965         (Relocate_functions::rela8): Likewise.
 966         (Relocate_functions::pcrel8): Likewise.
 967         (Relocate_functions::pcrela8): Likewise.
 968         (Relocate_functions::rel16): Likewise.
 969         (Relocate_functions::rela168): Likewise.
 970         (Relocate_functions::pcrel16): Likewise.
 971         (Relocate_functions::pcrela16): Likewise.
 972         (Relocate_functions::rel32): Likewise.
 973         (Relocate_functions::rel32_unaligned): Likewise.
 974         (Relocate_functions::rela32): Likewise.
 975         (Relocate_functions::pcrel32): Likewise.
 976         (Relocate_functions::pcrel32_unaligned): Likewise.
 977         (Relocate_functions::pcrela32): Likewise.
 978         (Relocate_functions::rel8_check): New function.
 979         (Relocate_functions::rela8_check): New function.
 980         (Relocate_functions::pcrel8_check): New function.
 981         (Relocate_functions::pcrela8_check): New function.
 982         (Relocate_functions::rel16_check): New function.
 983         (Relocate_functions::rela168_check): New function.
 984         (Relocate_functions::pcrel16_check): New function.
 985         (Relocate_functions::pcrela16_check): New function.
 986         (Relocate_functions::rel32_check): New function.
 987         (Relocate_functions::rel32_unaligned_check): New function.
 988         (Relocate_functions::rela32_check): New function.
 989         (Relocate_functions::pcrel32_check): New function.
 990         (Relocate_functions::pcrel32_unaligned_check): New function.
 991         (Relocate_functions::pcrela32_check): New function.
 992         (Bits::has_unsigned_overflow32): New function.
 993         (Bits::has_unsigned_overflow): New function.
 994         * testsuite/Makefile.am (overflow_unittest): New test.
 995         * testsuite/Makefile.in: Regenerate.
 996         * testsuite/overflow_unittest.cc: New source file.
 997
 998 2016-02-04  Alan Modra  <amodra@gmail.com>
 999
1000         * powerpc.cc (relocate): Adjust last patch for big-endian.
1001
1002 2016-02-02  Alan Modra  <amodra@gmail.com>
1003
1004         * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
1005
1006 2016-01-15 Han Shen  <shenhan@google.com>
1007
1008         PR gold/19472 - need pc-relative stubs.
1009
1010         * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
1011         stub type for DSOs and pie executables.
1012
1013 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
1014
1015         * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove
1016         'typename'.
1017
1018 2016-01-12  Cary Coutant  <ccoutant@gmail.com>
1019
1020         * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method.
1021         * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method.
1022         * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both
1023         specializations) New method.
1024
1025 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1026
1027         PR gold/19353
1028         * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
1029         we have a TLS segment for GD-to-IE optimization.
1030         * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
1031         Adjust all calls.
1032         (Target_i386::tls_desc_gd_to_ie): Likewise.
1033         (Target_i386::relocate_tls): Don't insist that we have a TLS segment
1034         for TLSDESC GD-to-IE optimizations.
1035         * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
1036         Adjust all calls.
1037         (Target_x86_64::tls_desc_gd_to_ie): Likewise.
1038         (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
1039         for TLSDESC GD-to-IE optimizations.
1040
1041 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1042
1043         Refactor gold to enable support for MIPS-64 relocation format.
1044
1045         * gc.h (get_embedded_addend_size): Remove sh_type parameter.
1046         (gc_process_relocs): Remove sh_type template parameter.
1047         Use Classify_reloc to access r_sym, r_type, and r_addend fields.
1048         * object.h (Sized_relobj_file::split_stack_adjust): Add target
1049         parameter.
1050         (Sized_relobj_file::split_stack_adjust_reltype): Likewise.
1051         * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA
1052         specializations) Remove.
1053         * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h.
1054         (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan().
1055         (Sized_relobj_file::emit_relocs_scan_reltype): Remove.
1056         (Sized_relobj_file::split_stack_adjust): Add target parameter.
1057         Adjust all callers.
1058         (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call
1059         Target::get_r_sym() to get r_sym field from relocations.
1060         (Track_relocs::next_symndx): Call Target::get_r_sym().
1061         * target-reloc.h (scan_relocs): Remove sh_type template parameter;
1062         add Classify_reloc template parameter.  Use for accessing r_sym and
1063         r_type.
1064         (relocate_section): Likewise.
1065         (Default_classify_reloc): New class (renamed and moved from reloc.cc).
1066         (Default_scan_relocatable_relocs): Remove sh_type template parameter.
1067         (Default_scan_relocatable_relocs::Reltype): New typedef.
1068         (Default_scan_relocatable_relocs::reloc_size): New const.
1069         (Default_scan_relocatable_relocs::sh_type): New const.
1070         (Default_scan_relocatable_relocs::get_r_sym): New method.
1071         (Default_scan_relocatable_relocs::get_r_type): New method.
1072         (Default_emit_relocs_strategy): New class.
1073         (scan_relocatable_relocs): Replace sh_type template parameter with
1074         Scan_relocatable_relocs class.  Use it to access r_sym and r_type
1075         fields.
1076         (relocate_relocs): Replace sh_type template parameter with
1077         Classify_reloc class.  Use it to access r_sym and r_type fields.
1078         * target.h (Target::is_call_to_non_split): Replace r_type parameter
1079         with pointer to relocation. Adjust all callers.
1080         (Target::do_is_call_to_non_split): Likewise.
1081         (Target::emit_relocs_scan): New virtual method.
1082         (Sized_target::get_r_sym): New virtual method.
1083         * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter
1084         with pointer to relocation.
1085
1086         * aarch64.cc (Target_aarch64::emit_relocs_scan): New method.
1087         (Target_aarch64::Relocatable_size_for_reloc): Remove.
1088         (Target_aarch64::gc_process_relocs): Use Default_classify_reloc.
1089         (Target_aarch64::scan_relocs): Likewise.
1090         (Target_aarch64::relocate_section): Likewise.
1091         (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc):
1092         Remove.
1093         (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc.
1094         (Target_aarch64::relocate_relocs): Use Default_classify_reloc.
1095         * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type
1096         template parameter.
1097         (Target_arm::emit_relocs_scan): New method.
1098         (Target_arm::Relocatable_size_for_reloc): Replace with...
1099         (Target_arm::Classify_reloc): ...this.
1100         (Target_arm::gc_process_relocs): Use Classify_reloc.
1101         (Target_arm::scan_relocs): Likewise.
1102         (Target_arm::relocate_section): Likewise.
1103         (Target_arm::scan_relocatable_relocs): Likewise.
1104         (Target_arm::relocate_relocs): Likewise.
1105         * i386.cc (Target_i386::emit_relocs_scan): New method.
1106         (Target_i386::Relocatable_size_for_reloc): Replace with...
1107         (Target_i386::Classify_reloc): ...this.
1108         (Target_i386::gc_process_relocs): Use Classify_reloc.
1109         (Target_i386::scan_relocs): Likewise.
1110         (Target_i386::relocate_section): Likewise.
1111         (Target_i386::scan_relocatable_relocs): Likewise.
1112         (Target_i386::relocate_relocs): Likewise.
1113         * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template
1114         parameter.
1115         (Mips_reloc_types): New class template.
1116         (Mips_classify_reloc): New class template.
1117         (Target_mips::Reltype): New typedef.
1118         (Target_mips::Relatype): New typedef.
1119         (Target_mips::emit_relocs_scan): New method.
1120         (Target_mips::get_r_sym): New method.
1121         (Target_mips::Relocatable_size_for_reloc): Replace with
1122         Mips_classify_reloc.
1123         (Target_mips::copy_reloc): Use Mips_classify_reloc.
1124         (Target_mips::gc_process_relocs): Likewise.
1125         (Target_mips::scan_relocs): Likewise.
1126         (Target_mips::relocate_section): Likewise.
1127         (Target_mips::scan_relocatable_relocs): Likewise.
1128         (Target_mips::relocate_relocs): Likewise.
1129         (mips_get_size_for_reloc): New function, factored out from
1130         Relocatable_size_for_reloc::get_size_for_reloc.
1131         (Target_mips::Scan::local): Use Mips_classify_reloc.
1132         (Target_mips::Scan::global): Likewise.
1133         (Target_mips::Relocate::relocate): Likewise.
1134         * powerpc.cc (Target_powerpc::emit_relocs_scan): New method.
1135         (Target_powerpc::Relocatable_size_for_reloc): Remove.
1136         (Target_powerpc::gc_process_relocs): Use Default_classify_reloc.
1137         (Target_powerpc::scan_relocs): Likewise.
1138         (Target_powerpc::relocate_section): Likewise.
1139         (Powerpc_scan_relocatable_reloc): Convert to class template.
1140         (Powerpc_scan_relocatable_reloc::Reltype): New typedef.
1141         (Powerpc_scan_relocatable_reloc::reloc_size): New const.
1142         (Powerpc_scan_relocatable_reloc::sh_type): New const.
1143         (Powerpc_scan_relocatable_reloc::get_r_sym): New method.
1144         (Powerpc_scan_relocatable_reloc::get_r_type): New method.
1145         (Target_powerpc::scan_relocatable_relocs): Use
1146         Powerpc_scan_relocatable_reloc.
1147         (Target_powerpc::relocate_relocs): Use Default_classify_reloc.
1148         * s390.cc (Target_s390::emit_relocs_scan): New method.
1149         (Target_s390::Relocatable_size_for_reloc): Remove.
1150         (Target_s390::gc_process_relocs): Use Default_classify_reloc.
1151         (Target_s390::scan_relocs): Likewise.
1152         (Target_s390::relocate_section): Likewise.
1153         (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc):
1154         Remove.
1155         (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc.
1156         (Target_s390::relocate_relocs): Use Default_classify_reloc.
1157         * sparc.cc (Target_sparc::emit_relocs_scan): New method.
1158         (Target_sparc::Relocatable_size_for_reloc): Remove.
1159         (Target_sparc::gc_process_relocs): Use Default_classify_reloc.
1160         (Target_sparc::scan_relocs): Likewise.
1161         (Target_sparc::relocate_section): Likewise.
1162         (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc):
1163         Remove.
1164         (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc.
1165         (Target_sparc::relocate_relocs): Use Default_classify_reloc.
1166         * tilegx.cc (Target_tilegx::emit_relocs_scan): New method.
1167         (Target_tilegx::Relocatable_size_for_reloc): Remove.
1168         (Target_tilegx::gc_process_relocs): Use Default_classify_reloc.
1169         (Target_tilegx::scan_relocs): Likewise.
1170         (Target_tilegx::relocate_section): Likewise.
1171         (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc):
1172         Remove.
1173         (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc.
1174         (Target_tilegx::relocate_relocs): Use Default_classify_reloc.
1175         * x86_64.cc (Target_x86_64::emit_relocs_scan): New method.
1176         (Target_x86_64::Relocatable_size_for_reloc): Remove.
1177         (Target_x86_64::gc_process_relocs): Use Default_classify_reloc.
1178         (Target_x86_64::scan_relocs): Likewise.
1179         (Target_x86_64::relocate_section): Likewise.
1180         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1181         Remove.
1182         (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc.
1183         (Target_x86_64::relocate_relocs): Use Default_classify_reloc.
1184
1185         * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method.
1186
1187 2016-01-01  Alan Modra  <amodra@gmail.com>
1188
1189         Update year range in copyright notice of all files.
1190
1191 For older changes see ChangeLog-0815
1192 \f
1193 Copyright (C) 2016 Free Software Foundation, Inc.
1194
1195 Copying and distribution of this file, with or without modification,
1196 are permitted in any medium without royalty provided the copyright
1197 notice and this notice are preserved.
1198
1199 Local Variables:
1200 mode: change-log
1201 left-margin: 8
1202 fill-column: 74
1203 version-control: never
1204 End: