gold/ChangeLog

   1 2016-10-06  Alan Modra  <amodra@gmail.com>
   2
   3         * aarch64.cc: Spell fall through comments as "// Fall through.".
   4         * arm.cc: Likewise.
   5         * mips.cc: Likewise.
   6         * powerpc.cc: Likewise.
   7         * s390.cc: Likewise.
   8         * sparc.cc: Likewise.
   9         * x86_64.cc: Likewise.
  10         * powerpc.cc (Target_powerpc::Relocate::relocate): Add missing
  11         fall through comments.
  12         * sparc.cc: (Target_sparc::Scan::global): Likewise.
  13         (Target_sparc::Relocate::relocate): Likewise.
  14         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
  15         * resolve.cc (symbol_to_bits): Add missing break.
  16
  17 2016-09-26  Cary Coutant  <ccoutant@gmail.com>
  18
  19         PR gold/20238
  20         * symtab.cc (Symbol_table::define_default_version): Check that
  21         unversioned symbol is defined.
  22
  23 2016-09-26  Vlad Zakharov  <vzakhar@synopsys.com>
  24
  25         * Makefile.in: Regenerate.
  26         * configure: Likewise.
  27         * testsuite/Makefile.in: Likewise.
  28
  29 2016-09-26  Alan Modra  <amodra@gmail.com>
  30
  31         * aarch64.cc (Target_aarch64::is_erratum_835769_sequence): Avoid
  32         compiler warning.
  33         * output.cc (Output_segment::set_section_addresses): Likewise.
  34         * testsuite/Makefile.in: Regenerate.
  35
  36 2016-09-02  Doug Kwan  <dougkwan@google.com>
  37
  38         * arm.cc (Target_arm::Target_arm): Move method definition outside of
  39         class definition.  Add code to handle --target1-rel, --target1-abs
  40         and --target2= options.
  41         (Target_arm::get_reloc_reloc_type): Change method to be non-static
  42         and const.
  43         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
  44         member declaration.
  45         (Target_arm::Scan::local, Target_arm::Scan::global,
  46         Target_arm::Relocate::relocate,
  47         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
  48         call to Target_arm::get_real_reloc_type.
  49         (Target_arm::get_real_reloc_type): Use command line options to
  50         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
  51         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
  52         options.
  53
  54 2016-08-31  Alan Modra  <amodra@gmail.com>
  55
  56         * powerpc.cc (class Stub_control): Delete stub14_group_size_
  57         and has14_.  Add group_size_.
  58         (Stub_control::can_add_to_stub_group): Adjust to suit.  Print
  59         debug info when switching to adding sections before stubs.
  60
  61 2016-08-31  Alan Modra  <amodra@gmail.com>
  62
  63         * debug.h (DEBUG_TARGET): New.
  64         (DEBUG_ALL): Add DEBUG_TARGET.
  65         (gold_debug): Delete FORMAT param.
  66         * powerpc.cc (Stub_control::can_add_to_stub_group): Print debug ourput.
  67
  68 2016-08-30  Alan Modra  <amodra@gmail.com>
  69
  70         PR 20523
  71         * powerpc.cc (class Stub_control): Add has14_.  Comment owner_.
  72         (Stub_control::can_add_to_stub_group): Correct grouping of
  73         sections containing 14-bit external branches.  When returning
  74         false, set state_ to reflect the fact that we have one section
  75         for the next group.  Rewrite most of function for clarity.
  76         Add and expand comments.
  77         (Target_powerpc::do_relax): Print stub group size retry in hex.
  78
  79 2016-08-26  Han Shen  <shenhan@google.com>
  80
  81         PR gold/20529 - relaxing loop never ends.
  82
  83         * powerpc.cc (Stub_table::min_size_threshold_): New member to
  84         limit size.
  85         (Stub_table::set_min_size_threshold): New member function.
  86         (Stub_table::set_address_and_size): Add code to only allow size
  87         increase.
  88         (Target_powerpc::do_relax): Add code to record last size.
  89
  90 2016-08-23  Roland McGrath  <roland@hack.frob.com>
  91
  92         * options.h (General_options): Grok -z stack-size.
  93         * output.h (Output_segment::set_size): New method.
  94         * layout.cc (Layout::create_executable_stack_info): Renamed to ...
  95         (Layout::create_stack_segment): ... this.  Always create the
  96         segment if -z stack-size was used.
  97         (Layout::set_segment_offsets): Don't call ->set_offset on the
  98         PT_GNU_STACK segment.
  99
 100 2016-08-15  Bharathi Seshadri  <bseshadr@cisco.com>
 101
 102         * options.h (General_options): Add --be8 option.
 103         * arm.cc (Arm_relobj::do_relocate_sections): Add code to swap for be8.
 104         (Output_data_plt_arm_standard::do_fill_first_plt_entry): Likewise.
 105         (Output_data_plt_arm_short::do_fill_plt_entry): Likewise.
 106         (Output_data_plt_arm_long::do_fill_plt_entry): Likewise.
 107         (Target_arm::do_adjust_elf_header): Do EF_ARM_BE8 adjustment.
 108
 109 2016-08-17  Cary Coutant  <ccoutant@gmail.com>
 110
 111         * i386.cc (Target_i386): Reset skip_call_tls_get_addr_ after printing
 112         error message.
 113         * testsuite/Makefile.am (pr20216a): Add missing dependencies.
 114         (pr20308a): Add -Bgcctestdir/ to compile rules.
 115         * testsuite/Makefile.in: Regenerate.
 116
 117 2016-08-12  Roland McGrath  <roland@hack.frob.com>
 118
 119         PR gold/20462
 120         * script-sections.cc (Script_sections::release_segments):
 121         Reset this->segments_created_.
 122
 123 2016-08-12  Roland McGrath  <roland@hack.frob.com>
 124
 125         * yyscript.y (HIDDEN): New %token.
 126         (assignment): Handle HIDDEN(string = expr) syntax.
 127         * script.cc (script_keyword_parsecodes): Add HIDDEN.
 128
 129 2016-08-10  Cary Coutant  <ccoutant@gmail.com>
 130
 131         PR gold/20216
 132         * x86_64.cc (Target_x86_64::Relocate::relocate): Add check for
 133         R_X86_64_GOTPCREL. Reset skip_call_tls_get_addr_ after printing
 134         error message.
 135         * testsuite/Makefile.am (pr20216_gd.o): Add -Bgcctestdir/.
 136         (pr20216_ld.o): Likewise.
 137         * testsuite/Makefile.in: Regenerate.
 138
 139 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 140
 141         PR gold/20443
 142         * symtab.cc (Symbol_table::add_from_relobj): Handle NULL symbols,
 143         which will be present for STT_SPARC_REGISTER.
 144         (Symbol_table::add_from_pluginobj): Likewise.
 145         (Symbol_table::add_from_dynobj): Likewise.
 146         (Symbol_table::add_from_incrobj): Removed dead code.
 147
 148 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 149
 150         PR gold/20442
 151         * sparc.cc (Target_sparc::Relocate::relocate): R_SPARC_GOTDATA_OP_LOX10
 152         should fall back on R_SPARC_GOT10, not R_SPARC_GOT13.
 153
 154 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 155
 156         PR gold/20441
 157         * sparc.cc (Target_sparc::Scan::check_non_pic): Allow R_SPARC_32 on
 158         sparc64.
 159
 160 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 161
 162         PR gold/20310
 163         * testsuite/dynamic_list.sh: Remove check for _ZdlPv.
 164
 165 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 166
 167         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add eh_test_2.
 168         * testsuite/Makefile.in: Regenerate.
 169
 170 2016-06-30  Alan Modra  <amodra@gmail.com>
 171
 172         * testsuite/Makefile.am (memory_test, memory_test_2): Pass
 173         -Wl,-z to gcc, not plain -z.
 174         * testsuite/Makefile.in: Regenerate.
 175
 176 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 177
 178         PR gold/20308
 179         * i386.cc (Target_i386::Relocate::relocate): Allow
 180         R_386_GOT32X relocation against ___tls_get_addr.
 181         (Target_i386::Relocate::tls_gd_to_ie): Support indirect
 182         call to __tls_get_addr.
 183         (Target_i386::Relocate::tls_gd_to_le): Likewise.
 184         (Target_i386::Relocate::tls_ld_to_le): Likewise.
 185         * testsuite/Makefile.am (check_PROGRAMS): Add pr20308a_test,
 186         pr20308b_test, pr20308c_test, pr20308d_test, pr20308e_test.
 187         (pr20308a_test_SOURCES): New.
 188         (pr20308a_test_DEPENDENCIES): Likewise.
 189         (pr20308a_test_CFLAGS): Likewise.
 190         (pr20308a_test_LDFLAGS): Likewise.
 191         (pr20308a_test_LDADD): Likewise.
 192         (pr20308b_test_SOURCES): Likewise.
 193         (pr20308b_test_DEPENDENCIES): Likewise.
 194         (pr20308b_test_CFLAGS): Likewise.
 195         (pr20308b_test_LDFLAGS): Likewise.
 196         (pr20308b_test_LDADD): Likewise.
 197         (pr20308c_test_SOURCES): Likewise.
 198         (pr20308c_test_DEPENDENCIES): Likewise.
 199         (pr20308c_test_CFLAGS): Likewise.
 200         (pr20308c_test_LDFLAGS): Likewise.
 201         (pr20308c_test_LDADD): Likewise.
 202         (pr20308d_test_SOURCES): Likewise.
 203         (pr20308d_test_DEPENDENCIES): Likewise.
 204         (pr20308d_test_CFLAGS): Likewise.
 205         (pr20308d_test_LDFLAGS): Likewise.
 206         (pr20308d_test_LDADD): Likewise.
 207         (pr20308e_test_SOURCES): Likewise.
 208         (pr20308e_test_DEPENDENCIES): Likewise.
 209         (pr20308e_test_CFLAGS): Likewise.
 210         (pr20308e_test_LDFLAGS): Likewise.
 211         (pr20308e_test_LDADD): Likewise.
 212         (pr20308a.so): Likewise.
 213         (pr20308b.so): Likewise.
 214         (pr20308_gd.o): Likewise.
 215         (pr20308_ld.o): Likewise.
 216         (MOSTLYCLEANFILES): Add pr20308a.so pr20308b.so.
 217         * testsuite/Makefile.in: Regenerated.
 218         * testsuite/pr20308_def.c: New file.
 219         * testsuite/pr20308_gd.S: Likewise.
 220         * testsuite/pr20308_ld.S: Likewise.
 221         * testsuite/pr20308_main.c: Likewise.
 222
 223 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 224
 225         PR gold/20216
 226         * configure.ac (DEFAULT_TARGET_X86_64_OR_X32): New
 227         AM_CONDITIONAL.
 228         * configure: Regenerated.
 229         * x86_64.cc (Target_x86_64<size>::Relocate::relocate): Allow
 230         R_X86_64_GOTPCRELX relocation against __tls_get_addr.
 231         (Target_x86_64<size>::Relocate::tls_gd_to_ie): Support indirect
 232         call to __tls_get_addr.
 233         (Target_x86_64<size>::Relocate::tls_gd_to_le): Likewise.
 234         (Target_x86_64<size>::Relocate::tls_ld_to_le): Likewise.
 235         * testsuite/Makefile.am (check_PROGRAMS): Add pr20216a_test,
 236         pr20216b_test, pr20216c_test, pr20216d_test, pr20216e_test.
 237         (pr20216a_test_SOURCES): New.
 238         (pr20216a_test_DEPENDENCIES): Likewise.
 239         (pr20216a_test_CFLAGS): Likewise.
 240         (pr20216a_test_LDFLAGS): Likewise.
 241         (pr20216a_test_LDADD): Likewise.
 242         (pr20216b_test_SOURCES): Likewise.
 243         (pr20216b_test_DEPENDENCIES): Likewise.
 244         (pr20216b_test_CFLAGS): Likewise.
 245         (pr20216b_test_LDFLAGS): Likewise.
 246         (pr20216b_test_LDADD): Likewise.
 247         (pr20216c_test_SOURCES): Likewise.
 248         (pr20216c_test_DEPENDENCIES): Likewise.
 249         (pr20216c_test_CFLAGS): Likewise.
 250         (pr20216c_test_LDFLAGS): Likewise.
 251         (pr20216c_test_LDADD): Likewise.
 252         (pr20216d_test_SOURCES): Likewise.
 253         (pr20216d_test_DEPENDENCIES): Likewise.
 254         (pr20216d_test_CFLAGS): Likewise.
 255         (pr20216d_test_LDFLAGS): Likewise.
 256         (pr20216d_test_LDADD): Likewise.
 257         (pr20216e_test_SOURCES): Likewise.
 258         (pr20216e_test_DEPENDENCIES): Likewise.
 259         (pr20216e_test_CFLAGS): Likewise.
 260         (pr20216e_test_LDFLAGS): Likewise.
 261         (pr20216e_test_LDADD): Likewise.
 262         (pr20216a.so): Likewise.
 263         (pr20216b.so): Likewise.
 264         (pr20216_gd.o): Likewise.
 265         (pr20216_ld.o): Likewise.
 266         (MOSTLYCLEANFILES): Add pr20216a.so pr20216b.so.
 267         * testsuite/Makefile.in: Regenerated.
 268         * testsuite/pr20216_def.c: New file.
 269         * testsuite/pr20216_gd.S: Likewise.
 270         * testsuite/pr20216_ld.S: Likewise.
 271         * testsuite/pr20216_main.c: Likewise.
 272
 273 2016-06-29  Alan Modra  <amodra@gmail.com>
 274
 275         * script_test_12.t: Delete .plt, specify 64k page size.
 276         * script_test_12i.t: Likewise.
 277
 278 2016-06-29  Alan Modra  <amodra@gmail.com>
 279
 280         * testsuite/plugin_layout_with_alignment.c: Explicitly align all
 281         variables.
 282
 283 2016-06-29  Alan Modra  <amodra@gmail.com>
 284
 285         * testsuite/Makefile.am (copy_test_protected): Disable for powerpc.
 286         * testsuite/Makefile.in: Regenerate.
 287
 288 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 289
 290         * aarch64-reloc.def (NONE): New relocation.
 291         * aarch64.cc (Target_aarch64::Scan::local): Handle R_AARCH64_NONE.
 292         (Target_aarch64::Scan::global): Likewise.
 293         * testsuite/Makefile.am (aarch64_reloc_none): New test.
 294         * testsuite/Makefile.in: Regenerate.
 295         * testsuite/aarch64_reloc_none.s: New test source file.
 296         * testsuite/aarch64_reloc_none.sh: New test script.
 297
 298 2016-06-28  Sriraman Tallam  <tmsriram@google.com>
 299
 300         * x86_64.cc (Lazy_view): New class.
 301         (can_convert_mov_to_lea): Templatize function.  Make the function
 302         check for appropriate relocation types and use the view parameter
 303         to get section contents.
 304         (can_convert_callq_to_direct): New function.
 305         (Target_x86_64<size>::Scan::global): Refactor.
 306         (Target_x86_64<size>::Relocate::relocate): Refactor. Change any indirect
 307         call via GOT that can be converted.
 308         * testsuite/Makefile.am (x86_64_indirect_call_to_direct.sh): New test.
 309         * testsuite/Makefile.in: Regenerate.
 310         * testsuite/x86_64_indirect_call_to_direct1.s: New file.
 311         * testsuite/x86_64_indirect_jump_to_direct1.s: New file.
 312
 313 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 314
 315         * aarch64.cc (Target_aarch64::Scan::local): Move the call to got_section
 316         from the top level to the places of its use.
 317
 318 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 319
 320         PR gold/18098
 321         * script-c.h (Sort_wildcard): Add SORT_WILDCARD_BY_INIT_PRIORITY.
 322         * script-sections.cc (Input_section_sorter::get_init_priority): New method.
 323         (Input_section_sorter::operator()): Handle SORT_WILDCARD_BY_INIT_PRIORITY.
 324         (Output_section_element_input::print): Likewise.
 325         * script.cc (script_keyword_parsecodes): Add entry SORT_BY_INIT_PRIORITY.
 326         * yyscript.y (SORT_BY_INIT_PRIORITY): New token.
 327         (wildcard_section): Handle SORT_BY_INIT_PRIORITY.
 328
 329         * testsuite/Makefile.am (script_test_14): New test.
 330         * testsuite/Makefile.in: Regenerate.
 331         * testsuite/script_test_14.s: New test source file.
 332         * testsuite/script_test_14.sh: New test script.
 333         * testsuite/script_test_14.t: New test linker script.
 334
 335 2016-06-28  James Clarke  <jrtc27@jrtc27.com>
 336
 337         * sparc.cc (Target_sparc::Scan::local): Don't convert R_SPARC_32
 338         to R_SPARC_RELATIVE if class is ELFCLASS64.
 339         (Target_sparc::Scan::global): Likewise.
 340
 341 2016-06-23  Cary Coutant  <ccoutant@gmail.com>
 342             Igor Kudrin  <ikudrin@accesssoftek.com>
 343
 344         PR gold/15370
 345         * script-sections.cc
 346         (Output_section_element_input::set_section_addresses): Keep bin_count
 347         separate from input_pattern_count.
 348         * testsuite/script_test_12.t: Add another section .x4.
 349         * testsuite/script_test_12i.t: Likewise.
 350         * testsuite/script_test_12a.c: Likewise.
 351         * testsuite/script_test_12b.c: Likewise.
 352
 353 2016-06-23  Igor Kudrin  <ikudrin@accesssoftek.com>
 354
 355         * gold-threads.cc (impl_threads::Lock_impl_threads): Fix typos.
 356
 357 2016-06-22  H.J. Lu  <hongjiu.lu@intel.com>
 358
 359         PR ld/20283
 360         * NEWS: Mention --enable-relro.
 361         * configure.ac: Add --enable-relro.
 362         (DEFAULT_LD_Z_RELRO): New.  Set by --enable-relro and default
 363         to 1.
 364         * config.in: Regenerated.
 365         * configure: Likewise.
 366         * options.h (General_options::relro): Default to
 367         DEFAULT_LD_Z_RELRO.
 368
 369 2016-06-20  Cary Coutant  <ccoutant@gmail.com>
 370
 371         * NEWS: Add new features in 1.12.
 372         * version.cc (version_string): Bump to 1.12.
 373
 374 2016-06-20  H.J. Lu  <hongjiu.lu@intel.com>
 375
 376         PR gold/20245
 377         * i386.cc (Target_i386::first_plt_entry_offset): Return 0 if
 378         plt_ is NULL.
 379         (Target_i386::plt_entry_size): Likewise.
 380         (Target_x86_64<size>::first_plt_entry_offset): Likewise.
 381         (Target_x86_64<size>::plt_entry_size): Likewise.
 382
 383 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 384
 385         * mips.cc (Target_mips::Target_mips): Initialize rld_map_.
 386         (Target_mips::rld_map_): New data member.
 387         (Target_mips::do_finalize_sections): Add support for
 388         DT_MIPS_RLD_MAP and DT_MIPS_RLD_MAP_REL dynamic tags,
 389         .rld_map section, and __RLD_MAP symbol.
 390         (Target_mips::do_dynamic_tag_custom_value): Add support for
 391         DT_MIPS_RLD_MAP_REL dynamic tag.
 392         * output.cc (Output_data_dynamic::get_entry_offset): New method
 393         definition.
 394         * output.h (Output_data_dynamic::get_entry_offset): New method
 395         declaration.
 396
 397 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 398
 399         * mips.cc (Mips_relocate_functions::relpc16): Add unaligned check.
 400
 401 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 402
 403         * mips.cc (relocation_needs_la25_stub): Add support for relocs:
 404         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 405         (hi16_reloc): Add support for R_MIPS_PCHI16 relocation.
 406         (is_matching_lo16_reloc): Likewise.
 407         (lo16_reloc): Add support for R_MIPS_PCLO16 relocation.
 408         (Mips_output_data_plt::plt_entry_r6): New static data member for
 409         R6 PLT entry.
 410         (Target_mips::is_output_r6): New method.
 411         (Target_mips::Mips_mach): Add new enum constants.
 412         (Mips_relocate_functions::Status): Likewise.
 413         (Mips_relocate_functions::pchi16_relocs): New static data member.
 414         (Mips_relocate_functions::relpc21): New method.
 415         (Mips_relocate_functions::relpc26): Likewise.
 416         (Mips_relocate_functions::relpc18): Likewise.
 417         (Mips_relocate_functions::relpc19): Likewise.
 418         (Mips_relocate_functions::relpchi16): Likewise.
 419         (Mips_relocate_functions::do_relpchi16): Likewise.
 420         (Mips_relocate_functions::relpclo16): Likewise.
 421         (Mips_output_data_plt::do_write): Add support for Mips r6 plt
 422         entry.
 423         (Target_mips::mips_32bit_flags): Add E_MIPS_ARCH_32R6 support.
 424         (Target_mips::elf_mips_mach): Add E_MIPS_ARCH_32R6 and
 425         E_MIPS_ARCH_64R6 support.
 426         (Target_mips::update_abiflags_isa): Likewise.
 427         (mips_get_size_for_reloc): Add support for relocs: R_MIPS_PCHI16,
 428         R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3 and
 429         R_MIPS_PC19_S2.
 430         (Target_mips::Scan::local): Add support for relocs: R_MIPS_PCHI16
 431         and R_MIPS_PCLO16.
 432         (Target_mips::Scan::global): Add support for relocs:
 433         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 434         (Target_mips::Relocate::relocate): Call functions for resolving
 435         Mips32r6 and Mips64r6 relocations, and print error message for
 436         STATUS_PCREL_UNALIGNED.
 437         (Target_mips::Scan::get_reference_flags): Add support for relocs:
 438         R_MIPS_PCHI16, R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2,
 439         R_MIPS_PC18_S3 and R_MIPS_PC19_S2.
 440         (Target_mips::elf_mips_mach_name): Add E_MIPS_ARCH_32R6 and
 441         E_MIPS_ARCH_64R6 support.
 442
 443 2016-06-13  H.J. Lu  <hongjiu.lu@intel.com>
 444
 445         PR gold/20246
 446         * testsuite/script_test_2.t: Add .got.plt after .got.
 447
 448 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 449
 450         * mips.cc (struct Mips_abiflags): New struct.
 451         (Mips_relobj::Mips_relobj): Initialize attributes_section_data_
 452         and abiflags_.
 453         (Mips_relobj::~Mips_relobj): Delete object pointed by
 454         attributes_section_data_.
 455         (Mips_relobj::abiflags): New method.
 456         (Mips_relobj::attributes_section_data): Likewise.
 457         (Mips_relobj::attributes_section_data_): New data member.
 458         (Mips_relobj::abiflags_): Likewise.
 459         (class Mips_output_section_abiflags): New class.
 460         (Target_mips::Target_mips): Initialize attributes_section_data_,
 461         abiflags_ and has_abiflags_section_.
 462         (Target_mips::do_should_include_section): Don't emit input
 463         .MIPS.abiflags sections to output .MIPS.abiflags.
 464         (Target_mips::Mips_mach): Add new enum constants.
 465         (Target_mips::mips_isa_ext_mach): New method.
 466         (Target_mips::mips_isa_ext): Likewise.
 467         (Target_mips::update_abiflags_isa): Likewise.
 468         (Target_mips::infer_abiflags): Likewise.
 469         (Target_mips::create_abiflags): Likewise.
 470         (Target_mips::fp_abi_string): Likewise.
 471         (Target_mips::select_fp_abi): Likewise.
 472         (Target_mips::merge_obj_attributes): Likewise.
 473         (Target_mips::merge_obj_abiflags): Likewise.
 474         (Target_mips::level_rev): Likewise.
 475         (Target_mips::merge_obj_e_flags): Rename from
 476         merge_processor_specific_flags. Remove dyn_obj argument,
 477         call update_abiflags_isa when needed, compare NaN encodings and
 478         compare FP64 state.
 479         (Target_mips::add_machine_extensions): Add two machine extensions
 480         and fix one.
 481         (Target_mips::attributes_section_data_): New data member.
 482         (Target_mips::abiflags_): Likewise.
 483         (Target_mips::has_abiflags_section_): Likewise.
 484         (Mips_relobj::do_read_symbols): Read .gnu.attributes and
 485         .MIPS.abiflags sections if they exists.
 486         (Target_mips::elf_mips_mach): Add E_MIPS_MACH_5900 and
 487         E_MIPS_MACH_OCTEON3 support.
 488         (Target_mips::do_adjust_elf_header): Setup EI_ABIVERSION flag.
 489         (Target_mips::do_finalize_sections): Merge .gnu.attributes and
 490         .MIPS.abiflags sections from input. Create these sections if
 491         needed.
 492         (Target_mips::elf_mips_mach_name): Add E_MIPS_MACH_5900 and
 493         E_MIPS_MACH_OCTEON3 support, and change strings for
 494         E_MIPS_MACH_LS2E, E_MIPS_MACH_LS2F and E_MIPS_MACH_LS3A just
 495         to match bfd.
 496
 497 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 498
 499         * mips.cc (Mips_relobj::Mips_relobj): Initialize
 500         has_reginfo_section_.
 501         (Mips_relobj::has_reginfo_section_): New data member.
 502         (Mips_relobj::has_reginfo_section): New method.
 503         (class Mips_output_section_reginfo): Change base class to
 504         Output_section_data, and set masks of the output .reginfo section
 505         in constructor.
 506         (Mips_output_section_reginfo::as_mips_output_section_reginfo):
 507         Remove.
 508         (Mips_output_section_reginfo::set_masks): Likewise.
 509         (Mips_output_section_reginfo::set_final_data_size): Likewise.
 510         (Mips_output_section_reginfo::do_print_to_mapfile): New method.
 511         (Target_mips::do_make_output_section): Remove.
 512         (Mips_relobj::do_read_symbols): Set has_reginfo_section_ to true
 513         if the object contains a .reginfo section.
 514         (Target_mips::do_finalize_sections): Create a .reginfo output
 515         section if needed.
 516
 517 2016-06-09  Artemiy Volkov  <artemiyv@acm.org>
 518
 519         * mips.cc (Mips_output_data_got::do_write): Add missing template
 520         args via typedef.
 521
 522 2016-05-30  Marcin Kościelnicki  <koriakin@0x04.net>
 523
 524         PR/19960
 525         * s390.cc (Target_s390::ss_code_st_r14): Removed.
 526         (Target_s390::ss_code_l_r14): Removed.
 527         (Target_s390::ss_code_ear): Removed.
 528         (Target_s390::ss_code_c): Removed.
 529         (Target_s390::ss_match_st_r14): New function.
 530         (Target_s390::ss_match_l_r14): New function.
 531         (Target_s390::ss_match_mcount): Call ss_match_{l,st}_r14 instead
 532         of matching code directly.
 533         (Target_s390::ss_match_ear): New function.
 534         (Target_s390::ss_match_c): New function.
 535         (Target_s390::do_calls_non_split): Call ss_match_{ear,c} instead
 536         of matching code directly.
 537
 538 2016-05-19  Cary Coutant  <ccoutant@gmail.com>
 539
 540         PR gold/19823
 541         * copy-relocs.cc (Copy_relocs::make_copy_reloc): Add object
 542         parameter; check for protected symbol.
 543         * copy-relocs.h (Copy_relocs::make_copy_reloc): Add object parameter.
 544         * mips.cc (Mips_copy_relocs): Adjust call to make_copy_reloc.
 545         * symtab.cc (Symbol::init_fields): Initialize is_protected_.
 546         (Symbol_table::add_from_dynobj): Mark protected symbols.
 547         * symtab.h (Symbol::is_protected): New method.
 548         (Symbol::set_is_protected): New method.
 549         (Symbol::is_protected_): New data member.
 550
 551         * testsuite/Makefile.am (copy_test_protected): New test.
 552         * testsuite/Makefile.in: Regenerate.
 553         * testsuite/copy_test.cc (main): Add legal reference to protected
 554         symbol.
 555         * testsuite/copy_test_v1.cc (main): Likewise.
 556         * testsuite/copy_test_2.cc (ip): Add protected symbol.
 557         * testsuite/copy_test_protected.cc: New test source file.
 558         * testsuite/copy_test_protected.sh: New test script.
 559
 560 2016-05-19  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 561
 562         * mips.cc (Mips_got_entry::Mips_got_entry): Remove object argument
 563         for global got symbols, and set addend to 0.
 564         (Mips_got_entry::hash): Change hash algorithm.
 565         (Mips_got_entry::equals): Refactor.
 566         (Mips_got_entry::object): Return input object for local got symbols
 567         from union d.
 568         (Mips_got_entry::addend): Change return of the relocation addend.
 569         (Mips_got_entry::addend_): Move from union d.
 570         (Mips_got_entry::object_): Move into union d.
 571         (class Mips_symbol_hash): New class.
 572         (Mips_got_info::Global_got_entry_set): New type.
 573         (Mips_got_info::global_got_symbols): Change return type to
 574         Global_got_entry_set.
 575         (Mips_got_info::global_got_symbols_): Change type to
 576         Global_got_entry_set.
 577         (Mips_symbol::hash): New method.
 578         (Mips_output_data_la25_stub::symbols_): Change type to std::vector.
 579         (Mips_output_data_mips_stubs::Mips_stubs_entry_set): New type.
 580         (Mips_output_data_mips_stubs::symbols_): Change type to
 581         Mips_stubs_entry_set.
 582         (Mips_got_info::record_global_got_symbol): Don't pass object
 583         argument when creating global got symbol.
 584         (Mips_got_info::record_got_entry): Remove find before inserting
 585         got entries.
 586         (Mips_got_info::add_reloc_only_entries): Change type of iterator
 587         to Global_got_entry_set.
 588         (Mips_got_info::count_got_symbols): Likewise.
 589         (Mips_output_data_la25_stub::create_la25_stub): Use push_back
 590         for adding entries to symbols_.
 591         (Mips_output_data_la25_stub::do_write): Change type of iterator
 592         to std::vector.
 593         (Mips_output_data_mips_stubs::set_lazy_stub_offsets): Change type
 594         of iterator to Mips_stubs_entry_set.
 595         (Mips_output_data_mips_stubs::set_needs_dynsym_value): Likewise.
 596         (Mips_output_data_mips_stubs::do_write): Likewise.
 597
 598 2016-05-06  Han Shen  <shenhan@google.com>
 599
 600         PR gold/19987.
 601
 602         * aarch64-reloc.def: New relocation type.
 603         * aarch64.cc (AArch64_relocate_functions::Page): Changed to public.
 604         (Target_aarch64::Scan::local): Add R_AARCH64_LD64_GOTPAGE_LO15.
 605         (Target_aarch64::Scan::global): Add R_AARCH64_LD64_GOTPAGE_LO15.
 606         (Target_aarch64::Relocate::relocate): Implement R_AARCH64_LD64_GOTPAGE_LO15.
 607
 608 2016-04-28  Nick Clifton  <nickc@redhat.com>
 609
 610         * po/zh_CN.po: Updated Chinese (simplified) translation.
 611
 612 2016-04-15  H.J. Lu  <hongjiu.lu@intel.com>
 613
 614         * Makefile.in: Regenerated with automake 1.11.6.
 615         * aclocal.m4: Likewise.
 616         * testsuite/Makefile.in: Likewise.
 617
 618 2016-03-30  Cary Coutant  <ccoutant@gmail.com>
 619
 620         PR gold/16979
 621         * symtab.cc (Symbol_table::define_default_version): Check for case
 622         where symbols are both in different shared objects.
 623
 624 2016-03-27  Cary Coutant  <ccoutant@gmail.com>
 625
 626         PR gold/16111
 627         * i386.cc (Target_i386): Add check for fully-resolved symbol for
 628         R_386_GOTOFF.
 629
 630 2016-03-22  Nick Clifton  <nickc@redhat.com>
 631
 632         * configure: Regenerate.
 633
 634 2016-03-21  Cary Coutant  <ccoutant@gmail.com>
 635
 636         PR gold/19842
 637         * errors.cc (Errors::undefined_symbol): Add info message when
 638         symbol should have been provided by a plugin.
 639         * target-reloc.h (issue_undefined_symbol_error): Check for
 640         placeholder symbols defined in discarded sections.
 641         * testsuite/Makefile.am (plugin_test_9b): New test case.
 642         * testsuite/Makefile.in: Regenerate.
 643         * testsuite/plugin_test_9b_elf.cc: New test source file.
 644         * testsuite/plugin_test_9b_ir.cc: New test source file.
 645
 646 2016-03-20  Cary Coutant  <ccoutant@gmail.com>
 647
 648         PR gold/19002
 649         * ehframe.cc (Eh_frame::read_fde): Check for dropped functions.
 650         * testsuite/Makefile.am (eh_test_2): New test.
 651         * testsuite/Makefile.in: Regenerate.
 652         * testsuite/eh_test_2.sh: New test script.
 653         * testsuite/eh_test_a.cc (bar): Make it comdat.
 654         * testsuite/eh_test_b.cc (bar): Add a duplicate copy.
 655
 656 2016-03-18  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 657
 658         * mips.cc (Mips_relobj::is_n64_): Remove.
 659         (Target_mips::ei_class_): Likewise.
 660         (Mips_relobj::is_newabi): Call methods.
 661         (Mips_relobj::is_n64): Change checking for N64 ABI.
 662         (Target_mips::is_output_n64): Likewise.
 663         (Target_mips::merge_processor_specific_flags): Remove ei_class
 664         argument, and remove comparing ei_class.
 665         (Target_mips::do_adjust_elf_header): Remove setting EI_CLASS field
 666         of the ELF header.
 667         (Target_mips::do_finalize_sections): Don't pass ei_class argument
 668         to merge_processor_specific_flags.
 669         (Target_mips::elf_mips_abi_name): Remove ei_class argument, and
 670         change checking for N64 ABI.
 671
 672 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 673
 674         * mips.cc (enum Special_relocation_symbol): New enum type.
 675         (is_readonly_section): New function.
 676         (eh_reloc): Likewise.
 677         (Mips_got_entry::is_section_symbol_): New member.
 678         (Mips_got_entry::is_section_symbol): New method.
 679         (Mips_got_info::record_local_got_symbol): Add is_section_symbol
 680         argument.
 681         (Mips_relobj::mips_elf_options_section_name): New method.
 682         (Mips_output_data_got::record_local_got_symbol): Add
 683         is_section_symbol argument, and pass it to
 684         Mips_got_info::record_local_got_symbol.
 685         (Mips_output_data_got::got_offset): Add addend argument, and pass
 686         it to Relobj::local_got_offset.
 687         (struct Mips_output_reloc_writer): New type.
 688         (class Mips_output_data_reloc): New class.
 689         (Mips_output_data_plt::Reloc_section): Change type to
 690         Mips_output_data_reloc.
 691         (Target_mips::Reloc_section): Likewise.
 692         (Mips_reloc_types::get_r_addend): Remove unsigned from return type.
 693         (Mips_classify_reloc::get_r_type2): New method.
 694         (Mips_classify_reloc::get_r_type3): Likewise.
 695         (Mips_classify_reloc::get_r_ssym): Likewise.
 696         (Target_mips::Reloca_section): Remove.
 697         (Relocate::should_apply_static_reloc): Rename from
 698         should_apply_r_mips_32_reloc.
 699         (Target_mips::copy_reloc): Replace Reltype parameter with r_type
 700         and r_offset.
 701         (Mips_relocate_functions::Valtype): New type.
 702         (Mips_relocate_functions::Valtype64): New type.
 703         (Mips_relocate_functions::check_overflow): New method.
 704         (Mips_relocate_functions::mips_reloc_unshuffle): Move to public
 705         interface.
 706         (Mips_relocate_functions::mips_reloc_shuffle): Likewise.
 707         (Mips_relocate_functions::rel16): Add support for resolving
 708         relocations for Mips64.
 709         (Mips_relocate_functions::rel32): Likewise.
 710         (Mips_relocate_functions::reljalr): Likewise.
 711         (Mips_relocate_functions::relpc32): Likewise.
 712         (Mips_relocate_functions::rel26): Likewise.
 713         (Mips_relocate_functions::relpc16): Likewise.
 714         (Mips_relocate_functions::relmicromips_pc7_s1): Likewise.
 715         (Mips_relocate_functions::relmicromips_pc10_s1): Likewise.
 716         (Mips_relocate_functions::relmicromips_pc16_s1): Likewise.
 717         (Mips_relocate_functions::do_relhi16): Likewise.
 718         (Mips_relocate_functions::do_relgot16_local): Likewise.
 719         (Mips_relocate_functions::rello16): Likewise.
 720         (Mips_relocate_functions::relgot): Likewise.
 721         (Mips_relocate_functions::relgotpage): Likewise.
 722         (Mips_relocate_functions::relgotofst): Likewise.
 723         (Mips_relocate_functions::relgot_hi16): Likewise.
 724         (Mips_relocate_functions::relgot_lo16): Likewise.
 725         (Mips_relocate_functions::relgprel): Likewise.
 726         (Mips_relocate_functions::relgprel32): Likewise.
 727         (Mips_relocate_functions::tlsrelhi16): Likewise.
 728         (Mips_relocate_functions::tlsrello16): Likewise.
 729         (Mips_relocate_functions::tlsrel32): Likewise.
 730         (Mips_relocate_functions::relsub): Likewise.
 731         (Mips_relocate_functions::releh): New method.
 732         (Mips_relocate_functions::rel64): Likewise.
 733         (Mips_got_info::record_local_got_symbol): Add is_section_symbol and
 734         pass it to Mips_got_entry.
 735         (Mips_got_info::add_local_entries): Pass addend argument
 736         to code functions, and for STT_SECTION symbols call
 737         add_symbolless_local_addend.
 738         (Mips_got_info::add_tls_entries): Pass addend argument to code
 739         functions.
 740         (Mips_relobj::do_read_symbols): Read gp value that was used to
 741         create object.
 742         (Mips_output_data_plt::plt_entry): Remove opcode from l[wd]
 743         instruction. Opcode for instruction will be selected later.
 744         (Target_mips::gc_process_relocs): Add case for SHT_RELA.
 745         (Target_mips::scan_relocatable_relocs): Likewise.
 746         (Target_mips::emit_relocs_scan): Likewise.
 747         (Target_mips::relocate_relocs): Likewise.
 748         (Target_mips::do_finalize_sections): Skip objects for merging
 749         processor specific flags in which all input sections will be
 750         discarded.
 751         (mips_get_size_for_reloc): Add case for R_MIPS_EH.
 752         (Target_mips::Scan::get_reference_flags): Likewise.
 753         (Target_mips::relocate_special_relocatable): Call rel26 method with
 754         calculate_only and calculated_value arguments.
 755         (Target_mips::Scan::local): Add case for R_MIPS_EH. Don't create a
 756         dynamic relocation against a readonly sections, and pass
 757         is_section_symbol to Mips_got_info::record_local_got_symbol.
 758         (Target_mips::Scan::global): Add case for R_MIPS_EH. Don't create a
 759         dynamic relocation against a readonly sections, and pass r_type
 760         and r_offset to Target_mips::copy_reloc.
 761         (Target_mips::Relocate::relocate): Add support for resolving
 762         relocations for Mips64.
 763         (Target_mips::mips_info): Add case for Mips64 default dynamic
 764         linker name.
 765         (Target_selector_mips): Correct emulation names.
 766
 767 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 768
 769         * mips.cc (class Mips_output_data_la25_stub): Add
 770         do_print_to_mapfile function.
 771
 772 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 773
 774         * mips.cc (Mips_classify_reloc::put_r_info): Call 32bit version of
 775         elf_r_info.
 776
 777 2016-03-09  H.J. Lu  <hongjiu.lu@intel.com>
 778
 779         * testsuite/plugin_layout_with_alignment.cc: Renamed to ..
 780         * testsuite/plugin_layout_with_alignment.c: This.
 781         * testsuite/Makefile.am (plugin_layout_with_alignment.o): Updated.
 782         (plugin_layout_with_alignment): Likewise.
 783         * testsuite/Makefile.in: Regenerated.
 784
 785 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 786
 787         PR 19751
 788         * testsuite/Makefile.am (retain_symbols_file_test): Remove check
 789         for constructor.
 790         * testsuite/Makefile.in: Regenerate.
 791         * testsuite/dynamic_list.sh: Likewise.
 792         * testsuite/retain_symbols_file_test.sh: Likewise.
 793
 794 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 795
 796         PR 19751
 797         * arm.cc (Reloc_stub::Key::name): Add unused attribute.
 798         * dirsearch.cc (Dir_caches::~Dir_caches): Likewise.
 799
 800 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 801             Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 802
 803         * output.cc (Output_reloc_writer): New type.
 804         (Output_data_reloc_base::do_write): Move implementation to template
 805         in output.h and replace with invocation of template.
 806         * output.h (Output_file): Move to top of file.
 807         (Output_reloc::get_symbol_index): Move to public interface.
 808         (Output_reloc::get_address): Likewise.
 809         (Output_data_reloc_base::do_write_generic): New function template.
 810
 811 2016-03-04  Cary Coutant  <ccoutant@gmail.com>
 812
 813         PR gold/19019
 814         PR gold/19763
 815         * symtab.cc: Instantiate Sized_symbol::init_constant and
 816         Sized_symbol::init_undefined.
 817
 818 2016-03-03  Cary Coutant  <ccoutant@gmail.com>
 819
 820         PR gold/19019
 821         * layout.h (Layout::add_target_specific_dynamic_tag): New function.
 822         * layout.cc (Layout::add_target_specific_dynamic_tag): New function.
 823         * mips.cc (Target_mips::make_symbol): Adjust function signature.
 824         * sparc.cc (Target_sparc::Target_sparc): Initialize register_syms_.
 825         (Target_sparc::do_is_defined_by_abi): Remove test for
 826         STT_SPARC_REGISTER.
 827         (Target_sparc::Register_symbol): New struct type.
 828         (Target_sparc::register_syms_): New data member.
 829         (Target_sparc<64, true>::sparc_info): Set has_make_symbol to true.
 830         (Target_sparc::make_symbol): New function.
 831         (Target_sparc::do_finalize_sections): Add register symbols and new
 832         dynamic table entries.
 833         * symtab.h (Sized_symbol::init_undefined): Add value parameter.
 834         (Symbol_table::add_target_global_symbol): New function.
 835         (Symbol_table::target_symbols_): New data member.
 836         * symtab.cc (Sized_symbol::init_undefined): Add value parameter.
 837         (Symbol_table::Symbol_table): Initialize target_symbols_.
 838         (Symbol_table::add_from_object): Pass additional parameters to
 839         Target::make_symbol.
 840         (Symbol_table::define_special_symbol): Likewise.
 841         (Symbol_table::add_undefined_symbol_from_command_line): Pass 0 for
 842         undefined symbol value.
 843         (Symbol_table::set_dynsym_indexes): Process target-specific symbols.
 844         (Symbol_table::sized_finalize): Likewise.
 845         (Symbol_table::sized_write_globals): Likewise.
 846         * target.h (Sized_target::make_symbol): Add name, st_type, object,
 847         st_shndx, and value parameters.
 848
 849 2016-03-03  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
 850
 851         * plugin.cc (do_should_include_member): Ignore LDPK_UNDEF and
 852         LDPK_WEAKUNDEF symbols.
 853
 854 2016-03-03  Than McIntosh  <thanm@google.com>
 855
 856         * plugin.cc (Plugin::load): Include hooks for get_input_section_size
 857         and get_input_section_alignment in transfer vector.
 858         (get_input_section_alignment): New function.
 859         (get_input_section_size): New function.
 860         * testsuite/Makefile.am: Add plugin_layout_with_alignment.sh test.
 861         * testsuite/Makefile.in: [Regenerate.]
 862         * testsuite/plugin_section_alignment.cc: New test file.
 863         * testsuite/plugin_layout_with_alignment.cc: New test file.
 864         * testsuite/plugin_layout_with_alignment.sh: New test file.
 865
 866 2016-03-03  Evgenii Stepanov  <eugenis@google.com>
 867
 868         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 869         parameter.
 870         * plugin.cc (get_symbols_v3): New function.
 871         (Plugin::load): Add LDPT_GET_SYMBOLS_V3.
 872         (Pluginobj::get_symbol_resolution_info): Return LDPS_NO_SYMS when using
 873         new version.
 874
 875 2016-02-26  Egor Kochetov  <egor.kochetov@intel.com>
 876             Cary Coutant  <ccoutant@gmail.com>
 877
 878         PR gold/19735
 879         * ehframe.h (Cie::fde_encoding): New method.
 880         * ehframe.cc (Eh_frame::read_fde): Discard FDEs for zero-length
 881         address ranges.
 882
 883 2016-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 884
 885         * testsuite/Makefile.am (x86_64_mov_to_lea5.o): Pass
 886         -mrelax-relocations=yes to $(TEST_AS).
 887         (x86_64_mov_to_lea6.o): Likewise.
 888         (x86_64_overflow_pc32.o): Remove duplicated target.
 889         * testsuite/Makefile.in: Regenerated.
 890
 891 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
 892
 893         * s390.cc (Target_s390::match_view_u): New helper method.
 894         (Target_s390::do_is_call_to_non_split): New method.
 895         (Target_s390::ss_code_st_r14): New const.
 896         (Target_s390::ss_code_l_r14): New const.
 897         (Target_s390::ss_code_bras_8): New const.
 898         (Target_s390::ss_code_l_basr): New const.
 899         (Target_s390::ss_code_a_basr): New const.
 900         (Target_s390::ss_code_ear): New const.
 901         (Target_s390::ss_code_c): New const.
 902         (Target_s390::ss_code_larl): New const.
 903         (Target_s390::ss_code_brasl): New const.
 904         (Target_s390::ss_code_jg): New const.
 905         (Target_s390::ss_code_jgl): New const.
 906         (Target_s390::ss_match_mcount): New helper method.
 907         (Target_s390::ss_match_l): New helper method.
 908         (Target_s390::ss_match_ahi): New helper method.
 909         (Target_s390::ss_match_alfi): New helper method.
 910         (Target_s390::ss_match_cr): New helper method.
 911         (Target_s390::do_calls_non_split): New method.
 912         * testsuite/Makefile.am: Added new tests.
 913         * testsuite/Makefile.in: Regenerate.
 914         * testsuite/split_s390.sh: New test.
 915         * testsuite/split_s390_1_a1.s: New test.
 916         * testsuite/split_s390_1_a2.s: New test.
 917         * testsuite/split_s390_1_n1.s: New test.
 918         * testsuite/split_s390_1_n2.s: New test.
 919         * testsuite/split_s390_1_z1.s: New test.
 920         * testsuite/split_s390_1_z2.s: New test.
 921         * testsuite/split_s390_1_z3.s: New test.
 922         * testsuite/split_s390_1_z4.s: New test.
 923         * testsuite/split_s390_2_ns.s: New test.
 924         * testsuite/split_s390_2_s.s: New test.
 925         * testsuite/split_s390x_1_a1.s: New test.
 926         * testsuite/split_s390x_1_a2.s: New test.
 927         * testsuite/split_s390x_1_n1.s: New test.
 928         * testsuite/split_s390x_1_n2.s: New test.
 929         * testsuite/split_s390x_1_z1.s: New test.
 930         * testsuite/split_s390x_1_z2.s: New test.
 931         * testsuite/split_s390x_1_z3.s: New test.
 932         * testsuite/split_s390x_1_z4.s: New test.
 933         * testsuite/split_s390x_2_ns.s: New test.
 934         * testsuite/split_s390x_2_s.s: New test.
 935
 936 2016-02-11 Rahul Chaudhry  <rahulchaudhry@google.com>
 937
 938         * aarch64.cc (Target_aarch64::scan_erratum_843419_span): Remove
 939         info message for every erratum 843419 found and fixed.
 940
 941 2016-02-07  Cary Coutant  <ccoutant@gmail.com>
 942
 943         PR gold/18695
 944         * x86_64.cc (Target_x86_64::Relocate::relocate): Add additional
 945         information to relocation overflow errors.
 946
 947 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 948
 949         PR gold/18695
 950         * x86_64.cc (X86_64_relocate_functions::pcrela32_check): Fix x32
 951         overflow checking when symbol value + addend < 0.
 952
 953 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 954
 955         PR gold/19577
 956         * reloc.h (Limits): New class.
 957         (Bits::has_overflow32): Use min/max values from Limits.
 958         (Bits::has_unsigned_overflow32): Likewise.
 959         (Bits::has_signed_unsigned_overflow32): Likewise.
 960         (Bits::has_overflow): Likewise.
 961         (Bits::has_unsigned_overflow): Likewise.
 962         (Bits::has_signed_unsigned_overflow64): Likewise.
 963
 964 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 965
 966         PR gold/19567
 967         * reloc.h (Relocate_functions::Overflow_check): Add comments.
 968         * x86_64.cc (X86_64_relocate_functions): New class.
 969         (Target_x86_64::Relocate::relocate): Use the new class.
 970         * testsuite/Makefile.am (x86_64_overflow_pc32): Add -Tdata option.
 971         (x32_overflow_pc32): New test case.
 972         * testsuite/Makefile.in: Regenerate.
 973         * testsuite/x32_overflow_pc32.sh: New script.
 974         * testsuite/x86_64_overflow_pc32.s: Remove .space directive.
 975
 976 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 977
 978         PR gold/19577
 979         * reloc.h (Bits::has_unsigned_overflow32): Fix static_cast.
 980         (Bits::has_unsigned_overflow): Remove unnecessary static_cast.
 981
 982 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 983
 984         PR gold/19577
 985         * reloc.h (Bits::has_unsigned_overflow32): Fix unsigned/signed
 986         comparison.
 987         (Bits::has_unsigned_overflow): Likewise.
 988
 989 2016-02-06  Marcin Kościelnicki  <koriakin@0x04.net>
 990
 991         * i386.cc (Target_i386::is_call_to_non_split): Add view and view_size
 992         parameters.
 993         * reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Pass view
 994         and view_size to is_call_to_non_split.
 995         * target.cc (Target::is_call_to_non_split): Add view and view_size
 996         parameters.
 997         * target.h (class Target): Likewise.
 998
 999 2016-02-05  Sriraman Tallam  <tmsriram@google.com>
1000
1001         * icf.cc (get_rel_addend): New function.
1002         (get_section_contents):  Move merge section addend computation to a
1003         new function.  Ignore negative values for SHT_REL and SHT_RELA addends.
1004         Fix bug to not read past the length of the section.
1005
1006 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
1007             Andrew Senkevich  <andrew.senkevich@intel.com>
1008
1009         PR gold/18695
1010         * x86_64.cc (Target_x86_64::Relocate::relocate): Add overflow
1011         checking for R_X86_64_32, R_X86_64_32S, R_X86_64_PC32, and
1012         R_X86_64_PLT32.
1013         * testsuite/Makefile.am (x86_64_overflow_pc32): New test.
1014         * testsuite/x86_64_overflow_pc32.sh: New test script.
1015         * testsuite/x86_64_overflow_pc32.s: New source file.
1016
1017 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
1018
1019         PR gold/18695
1020         * reloc.h (Relocate_functions::Address): New typedef.
1021         (Relocate_functions::Addendtype): New typedef.
1022         (Relocate_functions::Overflow_check): New enum type.
1023         (Relocate_functions::Reloc_status): New enum type.
1024         (Relocate_functions::check_overflow): New function template.
1025         (Relocate_functions::rel): Add check parameter; check for overflow.
1026         (Relocate_functions::rel_unaligned): Likewise.
1027         (Relocate_functions::rela): Likewise.
1028         (Relocate_functions::pcrel): Likewise.
1029         (Relocate_functions::pcrel_unaligned): Likewise.
1030         (Relocate_functions::pcrela): Likewise.
1031         (Relocate_functions::rel8): Adjust parameter types.
1032         (Relocate_functions::rela8): Likewise.
1033         (Relocate_functions::pcrel8): Likewise.
1034         (Relocate_functions::pcrela8): Likewise.
1035         (Relocate_functions::rel16): Likewise.
1036         (Relocate_functions::rela168): Likewise.
1037         (Relocate_functions::pcrel16): Likewise.
1038         (Relocate_functions::pcrela16): Likewise.
1039         (Relocate_functions::rel32): Likewise.
1040         (Relocate_functions::rel32_unaligned): Likewise.
1041         (Relocate_functions::rela32): Likewise.
1042         (Relocate_functions::pcrel32): Likewise.
1043         (Relocate_functions::pcrel32_unaligned): Likewise.
1044         (Relocate_functions::pcrela32): Likewise.
1045         (Relocate_functions::rel8_check): New function.
1046         (Relocate_functions::rela8_check): New function.
1047         (Relocate_functions::pcrel8_check): New function.
1048         (Relocate_functions::pcrela8_check): New function.
1049         (Relocate_functions::rel16_check): New function.
1050         (Relocate_functions::rela168_check): New function.
1051         (Relocate_functions::pcrel16_check): New function.
1052         (Relocate_functions::pcrela16_check): New function.
1053         (Relocate_functions::rel32_check): New function.
1054         (Relocate_functions::rel32_unaligned_check): New function.
1055         (Relocate_functions::rela32_check): New function.
1056         (Relocate_functions::pcrel32_check): New function.
1057         (Relocate_functions::pcrel32_unaligned_check): New function.
1058         (Relocate_functions::pcrela32_check): New function.
1059         (Bits::has_unsigned_overflow32): New function.
1060         (Bits::has_unsigned_overflow): New function.
1061         * testsuite/Makefile.am (overflow_unittest): New test.
1062         * testsuite/Makefile.in: Regenerate.
1063         * testsuite/overflow_unittest.cc: New source file.
1064
1065 2016-02-04  Alan Modra  <amodra@gmail.com>
1066
1067         * powerpc.cc (relocate): Adjust last patch for big-endian.
1068
1069 2016-02-02  Alan Modra  <amodra@gmail.com>
1070
1071         * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
1072
1073 2016-01-15 Han Shen  <shenhan@google.com>
1074
1075         PR gold/19472 - need pc-relative stubs.
1076
1077         * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
1078         stub type for DSOs and pie executables.
1079
1080 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
1081
1082         * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove
1083         'typename'.
1084
1085 2016-01-12  Cary Coutant  <ccoutant@gmail.com>
1086
1087         * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method.
1088         * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method.
1089         * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both
1090         specializations) New method.
1091
1092 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1093
1094         PR gold/19353
1095         * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
1096         we have a TLS segment for GD-to-IE optimization.
1097         * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
1098         Adjust all calls.
1099         (Target_i386::tls_desc_gd_to_ie): Likewise.
1100         (Target_i386::relocate_tls): Don't insist that we have a TLS segment
1101         for TLSDESC GD-to-IE optimizations.
1102         * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
1103         Adjust all calls.
1104         (Target_x86_64::tls_desc_gd_to_ie): Likewise.
1105         (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
1106         for TLSDESC GD-to-IE optimizations.
1107
1108 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1109
1110         Refactor gold to enable support for MIPS-64 relocation format.
1111
1112         * gc.h (get_embedded_addend_size): Remove sh_type parameter.
1113         (gc_process_relocs): Remove sh_type template parameter.
1114         Use Classify_reloc to access r_sym, r_type, and r_addend fields.
1115         * object.h (Sized_relobj_file::split_stack_adjust): Add target
1116         parameter.
1117         (Sized_relobj_file::split_stack_adjust_reltype): Likewise.
1118         * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA
1119         specializations) Remove.
1120         * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h.
1121         (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan().
1122         (Sized_relobj_file::emit_relocs_scan_reltype): Remove.
1123         (Sized_relobj_file::split_stack_adjust): Add target parameter.
1124         Adjust all callers.
1125         (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call
1126         Target::get_r_sym() to get r_sym field from relocations.
1127         (Track_relocs::next_symndx): Call Target::get_r_sym().
1128         * target-reloc.h (scan_relocs): Remove sh_type template parameter;
1129         add Classify_reloc template parameter.  Use for accessing r_sym and
1130         r_type.
1131         (relocate_section): Likewise.
1132         (Default_classify_reloc): New class (renamed and moved from reloc.cc).
1133         (Default_scan_relocatable_relocs): Remove sh_type template parameter.
1134         (Default_scan_relocatable_relocs::Reltype): New typedef.
1135         (Default_scan_relocatable_relocs::reloc_size): New const.
1136         (Default_scan_relocatable_relocs::sh_type): New const.
1137         (Default_scan_relocatable_relocs::get_r_sym): New method.
1138         (Default_scan_relocatable_relocs::get_r_type): New method.
1139         (Default_emit_relocs_strategy): New class.
1140         (scan_relocatable_relocs): Replace sh_type template parameter with
1141         Scan_relocatable_relocs class.  Use it to access r_sym and r_type
1142         fields.
1143         (relocate_relocs): Replace sh_type template parameter with
1144         Classify_reloc class.  Use it to access r_sym and r_type fields.
1145         * target.h (Target::is_call_to_non_split): Replace r_type parameter
1146         with pointer to relocation. Adjust all callers.
1147         (Target::do_is_call_to_non_split): Likewise.
1148         (Target::emit_relocs_scan): New virtual method.
1149         (Sized_target::get_r_sym): New virtual method.
1150         * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter
1151         with pointer to relocation.
1152
1153         * aarch64.cc (Target_aarch64::emit_relocs_scan): New method.
1154         (Target_aarch64::Relocatable_size_for_reloc): Remove.
1155         (Target_aarch64::gc_process_relocs): Use Default_classify_reloc.
1156         (Target_aarch64::scan_relocs): Likewise.
1157         (Target_aarch64::relocate_section): Likewise.
1158         (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc):
1159         Remove.
1160         (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc.
1161         (Target_aarch64::relocate_relocs): Use Default_classify_reloc.
1162         * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type
1163         template parameter.
1164         (Target_arm::emit_relocs_scan): New method.
1165         (Target_arm::Relocatable_size_for_reloc): Replace with...
1166         (Target_arm::Classify_reloc): ...this.
1167         (Target_arm::gc_process_relocs): Use Classify_reloc.
1168         (Target_arm::scan_relocs): Likewise.
1169         (Target_arm::relocate_section): Likewise.
1170         (Target_arm::scan_relocatable_relocs): Likewise.
1171         (Target_arm::relocate_relocs): Likewise.
1172         * i386.cc (Target_i386::emit_relocs_scan): New method.
1173         (Target_i386::Relocatable_size_for_reloc): Replace with...
1174         (Target_i386::Classify_reloc): ...this.
1175         (Target_i386::gc_process_relocs): Use Classify_reloc.
1176         (Target_i386::scan_relocs): Likewise.
1177         (Target_i386::relocate_section): Likewise.
1178         (Target_i386::scan_relocatable_relocs): Likewise.
1179         (Target_i386::relocate_relocs): Likewise.
1180         * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template
1181         parameter.
1182         (Mips_reloc_types): New class template.
1183         (Mips_classify_reloc): New class template.
1184         (Target_mips::Reltype): New typedef.
1185         (Target_mips::Relatype): New typedef.
1186         (Target_mips::emit_relocs_scan): New method.
1187         (Target_mips::get_r_sym): New method.
1188         (Target_mips::Relocatable_size_for_reloc): Replace with
1189         Mips_classify_reloc.
1190         (Target_mips::copy_reloc): Use Mips_classify_reloc.
1191         (Target_mips::gc_process_relocs): Likewise.
1192         (Target_mips::scan_relocs): Likewise.
1193         (Target_mips::relocate_section): Likewise.
1194         (Target_mips::scan_relocatable_relocs): Likewise.
1195         (Target_mips::relocate_relocs): Likewise.
1196         (mips_get_size_for_reloc): New function, factored out from
1197         Relocatable_size_for_reloc::get_size_for_reloc.
1198         (Target_mips::Scan::local): Use Mips_classify_reloc.
1199         (Target_mips::Scan::global): Likewise.
1200         (Target_mips::Relocate::relocate): Likewise.
1201         * powerpc.cc (Target_powerpc::emit_relocs_scan): New method.
1202         (Target_powerpc::Relocatable_size_for_reloc): Remove.
1203         (Target_powerpc::gc_process_relocs): Use Default_classify_reloc.
1204         (Target_powerpc::scan_relocs): Likewise.
1205         (Target_powerpc::relocate_section): Likewise.
1206         (Powerpc_scan_relocatable_reloc): Convert to class template.
1207         (Powerpc_scan_relocatable_reloc::Reltype): New typedef.
1208         (Powerpc_scan_relocatable_reloc::reloc_size): New const.
1209         (Powerpc_scan_relocatable_reloc::sh_type): New const.
1210         (Powerpc_scan_relocatable_reloc::get_r_sym): New method.
1211         (Powerpc_scan_relocatable_reloc::get_r_type): New method.
1212         (Target_powerpc::scan_relocatable_relocs): Use
1213         Powerpc_scan_relocatable_reloc.
1214         (Target_powerpc::relocate_relocs): Use Default_classify_reloc.
1215         * s390.cc (Target_s390::emit_relocs_scan): New method.
1216         (Target_s390::Relocatable_size_for_reloc): Remove.
1217         (Target_s390::gc_process_relocs): Use Default_classify_reloc.
1218         (Target_s390::scan_relocs): Likewise.
1219         (Target_s390::relocate_section): Likewise.
1220         (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc):
1221         Remove.
1222         (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc.
1223         (Target_s390::relocate_relocs): Use Default_classify_reloc.
1224         * sparc.cc (Target_sparc::emit_relocs_scan): New method.
1225         (Target_sparc::Relocatable_size_for_reloc): Remove.
1226         (Target_sparc::gc_process_relocs): Use Default_classify_reloc.
1227         (Target_sparc::scan_relocs): Likewise.
1228         (Target_sparc::relocate_section): Likewise.
1229         (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc):
1230         Remove.
1231         (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc.
1232         (Target_sparc::relocate_relocs): Use Default_classify_reloc.
1233         * tilegx.cc (Target_tilegx::emit_relocs_scan): New method.
1234         (Target_tilegx::Relocatable_size_for_reloc): Remove.
1235         (Target_tilegx::gc_process_relocs): Use Default_classify_reloc.
1236         (Target_tilegx::scan_relocs): Likewise.
1237         (Target_tilegx::relocate_section): Likewise.
1238         (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc):
1239         Remove.
1240         (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc.
1241         (Target_tilegx::relocate_relocs): Use Default_classify_reloc.
1242         * x86_64.cc (Target_x86_64::emit_relocs_scan): New method.
1243         (Target_x86_64::Relocatable_size_for_reloc): Remove.
1244         (Target_x86_64::gc_process_relocs): Use Default_classify_reloc.
1245         (Target_x86_64::scan_relocs): Likewise.
1246         (Target_x86_64::relocate_section): Likewise.
1247         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1248         Remove.
1249         (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc.
1250         (Target_x86_64::relocate_relocs): Use Default_classify_reloc.
1251
1252         * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method.
1253
1254 2016-01-01  Alan Modra  <amodra@gmail.com>
1255
1256         Update year range in copyright notice of all files.
1257
1258 For older changes see ChangeLog-0815
1259 \f
1260 Copyright (C) 2016 Free Software Foundation, Inc.
1261
1262 Copying and distribution of this file, with or without modification,
1263 are permitted in any medium without royalty provided the copyright
1264 notice and this notice are preserved.
1265
1266 Local Variables:
1267 mode: change-log
1268 left-margin: 8
1269 fill-column: 74
1270 version-control: never
1271 End: