gold/ChangeLog

   1 2016-10-06  Alan Modra  <amodra@gmail.com>
   2
   3         * powerpc.cc (Target_powerpc::Relocate::relocate): Add fall
   4         through comment.
   5         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
   6
   7 2016-10-06  Alan Modra  <amodra@gmail.com>
   8
   9         * aarch64.cc: Spell fall through comments as "// Fall through.".
  10         * arm.cc: Likewise.
  11         * mips.cc: Likewise.
  12         * powerpc.cc: Likewise.
  13         * s390.cc: Likewise.
  14         * sparc.cc: Likewise.
  15         * x86_64.cc: Likewise.
  16         * powerpc.cc (Target_powerpc::Relocate::relocate): Add missing
  17         fall through comments.
  18         * sparc.cc: (Target_sparc::Scan::global): Likewise.
  19         (Target_sparc::Relocate::relocate): Likewise.
  20         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
  21         * resolve.cc (symbol_to_bits): Add missing break.
  22
  23 2016-09-26  Cary Coutant  <ccoutant@gmail.com>
  24
  25         PR gold/20238
  26         * symtab.cc (Symbol_table::define_default_version): Check that
  27         unversioned symbol is defined.
  28
  29 2016-09-26  Vlad Zakharov  <vzakhar@synopsys.com>
  30
  31         * Makefile.in: Regenerate.
  32         * configure: Likewise.
  33         * testsuite/Makefile.in: Likewise.
  34
  35 2016-09-26  Alan Modra  <amodra@gmail.com>
  36
  37         * aarch64.cc (Target_aarch64::is_erratum_835769_sequence): Avoid
  38         compiler warning.
  39         * output.cc (Output_segment::set_section_addresses): Likewise.
  40         * testsuite/Makefile.in: Regenerate.
  41
  42 2016-09-02  Doug Kwan  <dougkwan@google.com>
  43
  44         * arm.cc (Target_arm::Target_arm): Move method definition outside of
  45         class definition.  Add code to handle --target1-rel, --target1-abs
  46         and --target2= options.
  47         (Target_arm::get_reloc_reloc_type): Change method to be non-static
  48         and const.
  49         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
  50         member declaration.
  51         (Target_arm::Scan::local, Target_arm::Scan::global,
  52         Target_arm::Relocate::relocate,
  53         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
  54         call to Target_arm::get_real_reloc_type.
  55         (Target_arm::get_real_reloc_type): Use command line options to
  56         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
  57         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
  58         options.
  59
  60 2016-08-31  Alan Modra  <amodra@gmail.com>
  61
  62         * powerpc.cc (class Stub_control): Delete stub14_group_size_
  63         and has14_.  Add group_size_.
  64         (Stub_control::can_add_to_stub_group): Adjust to suit.  Print
  65         debug info when switching to adding sections before stubs.
  66
  67 2016-08-31  Alan Modra  <amodra@gmail.com>
  68
  69         * debug.h (DEBUG_TARGET): New.
  70         (DEBUG_ALL): Add DEBUG_TARGET.
  71         (gold_debug): Delete FORMAT param.
  72         * powerpc.cc (Stub_control::can_add_to_stub_group): Print debug ourput.
  73
  74 2016-08-30  Alan Modra  <amodra@gmail.com>
  75
  76         PR 20523
  77         * powerpc.cc (class Stub_control): Add has14_.  Comment owner_.
  78         (Stub_control::can_add_to_stub_group): Correct grouping of
  79         sections containing 14-bit external branches.  When returning
  80         false, set state_ to reflect the fact that we have one section
  81         for the next group.  Rewrite most of function for clarity.
  82         Add and expand comments.
  83         (Target_powerpc::do_relax): Print stub group size retry in hex.
  84
  85 2016-08-26  Han Shen  <shenhan@google.com>
  86
  87         PR gold/20529 - relaxing loop never ends.
  88
  89         * powerpc.cc (Stub_table::min_size_threshold_): New member to
  90         limit size.
  91         (Stub_table::set_min_size_threshold): New member function.
  92         (Stub_table::set_address_and_size): Add code to only allow size
  93         increase.
  94         (Target_powerpc::do_relax): Add code to record last size.
  95
  96 2016-08-23  Roland McGrath  <roland@hack.frob.com>
  97
  98         * options.h (General_options): Grok -z stack-size.
  99         * output.h (Output_segment::set_size): New method.
 100         * layout.cc (Layout::create_executable_stack_info): Renamed to ...
 101         (Layout::create_stack_segment): ... this.  Always create the
 102         segment if -z stack-size was used.
 103         (Layout::set_segment_offsets): Don't call ->set_offset on the
 104         PT_GNU_STACK segment.
 105
 106 2016-08-15  Bharathi Seshadri  <bseshadr@cisco.com>
 107
 108         * options.h (General_options): Add --be8 option.
 109         * arm.cc (Arm_relobj::do_relocate_sections): Add code to swap for be8.
 110         (Output_data_plt_arm_standard::do_fill_first_plt_entry): Likewise.
 111         (Output_data_plt_arm_short::do_fill_plt_entry): Likewise.
 112         (Output_data_plt_arm_long::do_fill_plt_entry): Likewise.
 113         (Target_arm::do_adjust_elf_header): Do EF_ARM_BE8 adjustment.
 114
 115 2016-08-17  Cary Coutant  <ccoutant@gmail.com>
 116
 117         * i386.cc (Target_i386): Reset skip_call_tls_get_addr_ after printing
 118         error message.
 119         * testsuite/Makefile.am (pr20216a): Add missing dependencies.
 120         (pr20308a): Add -Bgcctestdir/ to compile rules.
 121         * testsuite/Makefile.in: Regenerate.
 122
 123 2016-08-12  Roland McGrath  <roland@hack.frob.com>
 124
 125         PR gold/20462
 126         * script-sections.cc (Script_sections::release_segments):
 127         Reset this->segments_created_.
 128
 129 2016-08-12  Roland McGrath  <roland@hack.frob.com>
 130
 131         * yyscript.y (HIDDEN): New %token.
 132         (assignment): Handle HIDDEN(string = expr) syntax.
 133         * script.cc (script_keyword_parsecodes): Add HIDDEN.
 134
 135 2016-08-10  Cary Coutant  <ccoutant@gmail.com>
 136
 137         PR gold/20216
 138         * x86_64.cc (Target_x86_64::Relocate::relocate): Add check for
 139         R_X86_64_GOTPCREL. Reset skip_call_tls_get_addr_ after printing
 140         error message.
 141         * testsuite/Makefile.am (pr20216_gd.o): Add -Bgcctestdir/.
 142         (pr20216_ld.o): Likewise.
 143         * testsuite/Makefile.in: Regenerate.
 144
 145 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 146
 147         PR gold/20443
 148         * symtab.cc (Symbol_table::add_from_relobj): Handle NULL symbols,
 149         which will be present for STT_SPARC_REGISTER.
 150         (Symbol_table::add_from_pluginobj): Likewise.
 151         (Symbol_table::add_from_dynobj): Likewise.
 152         (Symbol_table::add_from_incrobj): Removed dead code.
 153
 154 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 155
 156         PR gold/20442
 157         * sparc.cc (Target_sparc::Relocate::relocate): R_SPARC_GOTDATA_OP_LOX10
 158         should fall back on R_SPARC_GOT10, not R_SPARC_GOT13.
 159
 160 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 161
 162         PR gold/20441
 163         * sparc.cc (Target_sparc::Scan::check_non_pic): Allow R_SPARC_32 on
 164         sparc64.
 165
 166 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 167
 168         PR gold/20310
 169         * testsuite/dynamic_list.sh: Remove check for _ZdlPv.
 170
 171 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 172
 173         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add eh_test_2.
 174         * testsuite/Makefile.in: Regenerate.
 175
 176 2016-06-30  Alan Modra  <amodra@gmail.com>
 177
 178         * testsuite/Makefile.am (memory_test, memory_test_2): Pass
 179         -Wl,-z to gcc, not plain -z.
 180         * testsuite/Makefile.in: Regenerate.
 181
 182 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 183
 184         PR gold/20308
 185         * i386.cc (Target_i386::Relocate::relocate): Allow
 186         R_386_GOT32X relocation against ___tls_get_addr.
 187         (Target_i386::Relocate::tls_gd_to_ie): Support indirect
 188         call to __tls_get_addr.
 189         (Target_i386::Relocate::tls_gd_to_le): Likewise.
 190         (Target_i386::Relocate::tls_ld_to_le): Likewise.
 191         * testsuite/Makefile.am (check_PROGRAMS): Add pr20308a_test,
 192         pr20308b_test, pr20308c_test, pr20308d_test, pr20308e_test.
 193         (pr20308a_test_SOURCES): New.
 194         (pr20308a_test_DEPENDENCIES): Likewise.
 195         (pr20308a_test_CFLAGS): Likewise.
 196         (pr20308a_test_LDFLAGS): Likewise.
 197         (pr20308a_test_LDADD): Likewise.
 198         (pr20308b_test_SOURCES): Likewise.
 199         (pr20308b_test_DEPENDENCIES): Likewise.
 200         (pr20308b_test_CFLAGS): Likewise.
 201         (pr20308b_test_LDFLAGS): Likewise.
 202         (pr20308b_test_LDADD): Likewise.
 203         (pr20308c_test_SOURCES): Likewise.
 204         (pr20308c_test_DEPENDENCIES): Likewise.
 205         (pr20308c_test_CFLAGS): Likewise.
 206         (pr20308c_test_LDFLAGS): Likewise.
 207         (pr20308c_test_LDADD): Likewise.
 208         (pr20308d_test_SOURCES): Likewise.
 209         (pr20308d_test_DEPENDENCIES): Likewise.
 210         (pr20308d_test_CFLAGS): Likewise.
 211         (pr20308d_test_LDFLAGS): Likewise.
 212         (pr20308d_test_LDADD): Likewise.
 213         (pr20308e_test_SOURCES): Likewise.
 214         (pr20308e_test_DEPENDENCIES): Likewise.
 215         (pr20308e_test_CFLAGS): Likewise.
 216         (pr20308e_test_LDFLAGS): Likewise.
 217         (pr20308e_test_LDADD): Likewise.
 218         (pr20308a.so): Likewise.
 219         (pr20308b.so): Likewise.
 220         (pr20308_gd.o): Likewise.
 221         (pr20308_ld.o): Likewise.
 222         (MOSTLYCLEANFILES): Add pr20308a.so pr20308b.so.
 223         * testsuite/Makefile.in: Regenerated.
 224         * testsuite/pr20308_def.c: New file.
 225         * testsuite/pr20308_gd.S: Likewise.
 226         * testsuite/pr20308_ld.S: Likewise.
 227         * testsuite/pr20308_main.c: Likewise.
 228
 229 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 230
 231         PR gold/20216
 232         * configure.ac (DEFAULT_TARGET_X86_64_OR_X32): New
 233         AM_CONDITIONAL.
 234         * configure: Regenerated.
 235         * x86_64.cc (Target_x86_64<size>::Relocate::relocate): Allow
 236         R_X86_64_GOTPCRELX relocation against __tls_get_addr.
 237         (Target_x86_64<size>::Relocate::tls_gd_to_ie): Support indirect
 238         call to __tls_get_addr.
 239         (Target_x86_64<size>::Relocate::tls_gd_to_le): Likewise.
 240         (Target_x86_64<size>::Relocate::tls_ld_to_le): Likewise.
 241         * testsuite/Makefile.am (check_PROGRAMS): Add pr20216a_test,
 242         pr20216b_test, pr20216c_test, pr20216d_test, pr20216e_test.
 243         (pr20216a_test_SOURCES): New.
 244         (pr20216a_test_DEPENDENCIES): Likewise.
 245         (pr20216a_test_CFLAGS): Likewise.
 246         (pr20216a_test_LDFLAGS): Likewise.
 247         (pr20216a_test_LDADD): Likewise.
 248         (pr20216b_test_SOURCES): Likewise.
 249         (pr20216b_test_DEPENDENCIES): Likewise.
 250         (pr20216b_test_CFLAGS): Likewise.
 251         (pr20216b_test_LDFLAGS): Likewise.
 252         (pr20216b_test_LDADD): Likewise.
 253         (pr20216c_test_SOURCES): Likewise.
 254         (pr20216c_test_DEPENDENCIES): Likewise.
 255         (pr20216c_test_CFLAGS): Likewise.
 256         (pr20216c_test_LDFLAGS): Likewise.
 257         (pr20216c_test_LDADD): Likewise.
 258         (pr20216d_test_SOURCES): Likewise.
 259         (pr20216d_test_DEPENDENCIES): Likewise.
 260         (pr20216d_test_CFLAGS): Likewise.
 261         (pr20216d_test_LDFLAGS): Likewise.
 262         (pr20216d_test_LDADD): Likewise.
 263         (pr20216e_test_SOURCES): Likewise.
 264         (pr20216e_test_DEPENDENCIES): Likewise.
 265         (pr20216e_test_CFLAGS): Likewise.
 266         (pr20216e_test_LDFLAGS): Likewise.
 267         (pr20216e_test_LDADD): Likewise.
 268         (pr20216a.so): Likewise.
 269         (pr20216b.so): Likewise.
 270         (pr20216_gd.o): Likewise.
 271         (pr20216_ld.o): Likewise.
 272         (MOSTLYCLEANFILES): Add pr20216a.so pr20216b.so.
 273         * testsuite/Makefile.in: Regenerated.
 274         * testsuite/pr20216_def.c: New file.
 275         * testsuite/pr20216_gd.S: Likewise.
 276         * testsuite/pr20216_ld.S: Likewise.
 277         * testsuite/pr20216_main.c: Likewise.
 278
 279 2016-06-29  Alan Modra  <amodra@gmail.com>
 280
 281         * script_test_12.t: Delete .plt, specify 64k page size.
 282         * script_test_12i.t: Likewise.
 283
 284 2016-06-29  Alan Modra  <amodra@gmail.com>
 285
 286         * testsuite/plugin_layout_with_alignment.c: Explicitly align all
 287         variables.
 288
 289 2016-06-29  Alan Modra  <amodra@gmail.com>
 290
 291         * testsuite/Makefile.am (copy_test_protected): Disable for powerpc.
 292         * testsuite/Makefile.in: Regenerate.
 293
 294 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 295
 296         * aarch64-reloc.def (NONE): New relocation.
 297         * aarch64.cc (Target_aarch64::Scan::local): Handle R_AARCH64_NONE.
 298         (Target_aarch64::Scan::global): Likewise.
 299         * testsuite/Makefile.am (aarch64_reloc_none): New test.
 300         * testsuite/Makefile.in: Regenerate.
 301         * testsuite/aarch64_reloc_none.s: New test source file.
 302         * testsuite/aarch64_reloc_none.sh: New test script.
 303
 304 2016-06-28  Sriraman Tallam  <tmsriram@google.com>
 305
 306         * x86_64.cc (Lazy_view): New class.
 307         (can_convert_mov_to_lea): Templatize function.  Make the function
 308         check for appropriate relocation types and use the view parameter
 309         to get section contents.
 310         (can_convert_callq_to_direct): New function.
 311         (Target_x86_64<size>::Scan::global): Refactor.
 312         (Target_x86_64<size>::Relocate::relocate): Refactor. Change any indirect
 313         call via GOT that can be converted.
 314         * testsuite/Makefile.am (x86_64_indirect_call_to_direct.sh): New test.
 315         * testsuite/Makefile.in: Regenerate.
 316         * testsuite/x86_64_indirect_call_to_direct1.s: New file.
 317         * testsuite/x86_64_indirect_jump_to_direct1.s: New file.
 318
 319 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 320
 321         * aarch64.cc (Target_aarch64::Scan::local): Move the call to got_section
 322         from the top level to the places of its use.
 323
 324 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 325
 326         PR gold/18098
 327         * script-c.h (Sort_wildcard): Add SORT_WILDCARD_BY_INIT_PRIORITY.
 328         * script-sections.cc (Input_section_sorter::get_init_priority): New method.
 329         (Input_section_sorter::operator()): Handle SORT_WILDCARD_BY_INIT_PRIORITY.
 330         (Output_section_element_input::print): Likewise.
 331         * script.cc (script_keyword_parsecodes): Add entry SORT_BY_INIT_PRIORITY.
 332         * yyscript.y (SORT_BY_INIT_PRIORITY): New token.
 333         (wildcard_section): Handle SORT_BY_INIT_PRIORITY.
 334
 335         * testsuite/Makefile.am (script_test_14): New test.
 336         * testsuite/Makefile.in: Regenerate.
 337         * testsuite/script_test_14.s: New test source file.
 338         * testsuite/script_test_14.sh: New test script.
 339         * testsuite/script_test_14.t: New test linker script.
 340
 341 2016-06-28  James Clarke  <jrtc27@jrtc27.com>
 342
 343         * sparc.cc (Target_sparc::Scan::local): Don't convert R_SPARC_32
 344         to R_SPARC_RELATIVE if class is ELFCLASS64.
 345         (Target_sparc::Scan::global): Likewise.
 346
 347 2016-06-23  Cary Coutant  <ccoutant@gmail.com>
 348             Igor Kudrin  <ikudrin@accesssoftek.com>
 349
 350         PR gold/15370
 351         * script-sections.cc
 352         (Output_section_element_input::set_section_addresses): Keep bin_count
 353         separate from input_pattern_count.
 354         * testsuite/script_test_12.t: Add another section .x4.
 355         * testsuite/script_test_12i.t: Likewise.
 356         * testsuite/script_test_12a.c: Likewise.
 357         * testsuite/script_test_12b.c: Likewise.
 358
 359 2016-06-23  Igor Kudrin  <ikudrin@accesssoftek.com>
 360
 361         * gold-threads.cc (impl_threads::Lock_impl_threads): Fix typos.
 362
 363 2016-06-22  H.J. Lu  <hongjiu.lu@intel.com>
 364
 365         PR ld/20283
 366         * NEWS: Mention --enable-relro.
 367         * configure.ac: Add --enable-relro.
 368         (DEFAULT_LD_Z_RELRO): New.  Set by --enable-relro and default
 369         to 1.
 370         * config.in: Regenerated.
 371         * configure: Likewise.
 372         * options.h (General_options::relro): Default to
 373         DEFAULT_LD_Z_RELRO.
 374
 375 2016-06-20  Cary Coutant  <ccoutant@gmail.com>
 376
 377         * NEWS: Add new features in 1.12.
 378         * version.cc (version_string): Bump to 1.12.
 379
 380 2016-06-20  H.J. Lu  <hongjiu.lu@intel.com>
 381
 382         PR gold/20245
 383         * i386.cc (Target_i386::first_plt_entry_offset): Return 0 if
 384         plt_ is NULL.
 385         (Target_i386::plt_entry_size): Likewise.
 386         (Target_x86_64<size>::first_plt_entry_offset): Likewise.
 387         (Target_x86_64<size>::plt_entry_size): Likewise.
 388
 389 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 390
 391         * mips.cc (Target_mips::Target_mips): Initialize rld_map_.
 392         (Target_mips::rld_map_): New data member.
 393         (Target_mips::do_finalize_sections): Add support for
 394         DT_MIPS_RLD_MAP and DT_MIPS_RLD_MAP_REL dynamic tags,
 395         .rld_map section, and __RLD_MAP symbol.
 396         (Target_mips::do_dynamic_tag_custom_value): Add support for
 397         DT_MIPS_RLD_MAP_REL dynamic tag.
 398         * output.cc (Output_data_dynamic::get_entry_offset): New method
 399         definition.
 400         * output.h (Output_data_dynamic::get_entry_offset): New method
 401         declaration.
 402
 403 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 404
 405         * mips.cc (Mips_relocate_functions::relpc16): Add unaligned check.
 406
 407 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 408
 409         * mips.cc (relocation_needs_la25_stub): Add support for relocs:
 410         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 411         (hi16_reloc): Add support for R_MIPS_PCHI16 relocation.
 412         (is_matching_lo16_reloc): Likewise.
 413         (lo16_reloc): Add support for R_MIPS_PCLO16 relocation.
 414         (Mips_output_data_plt::plt_entry_r6): New static data member for
 415         R6 PLT entry.
 416         (Target_mips::is_output_r6): New method.
 417         (Target_mips::Mips_mach): Add new enum constants.
 418         (Mips_relocate_functions::Status): Likewise.
 419         (Mips_relocate_functions::pchi16_relocs): New static data member.
 420         (Mips_relocate_functions::relpc21): New method.
 421         (Mips_relocate_functions::relpc26): Likewise.
 422         (Mips_relocate_functions::relpc18): Likewise.
 423         (Mips_relocate_functions::relpc19): Likewise.
 424         (Mips_relocate_functions::relpchi16): Likewise.
 425         (Mips_relocate_functions::do_relpchi16): Likewise.
 426         (Mips_relocate_functions::relpclo16): Likewise.
 427         (Mips_output_data_plt::do_write): Add support for Mips r6 plt
 428         entry.
 429         (Target_mips::mips_32bit_flags): Add E_MIPS_ARCH_32R6 support.
 430         (Target_mips::elf_mips_mach): Add E_MIPS_ARCH_32R6 and
 431         E_MIPS_ARCH_64R6 support.
 432         (Target_mips::update_abiflags_isa): Likewise.
 433         (mips_get_size_for_reloc): Add support for relocs: R_MIPS_PCHI16,
 434         R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3 and
 435         R_MIPS_PC19_S2.
 436         (Target_mips::Scan::local): Add support for relocs: R_MIPS_PCHI16
 437         and R_MIPS_PCLO16.
 438         (Target_mips::Scan::global): Add support for relocs:
 439         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 440         (Target_mips::Relocate::relocate): Call functions for resolving
 441         Mips32r6 and Mips64r6 relocations, and print error message for
 442         STATUS_PCREL_UNALIGNED.
 443         (Target_mips::Scan::get_reference_flags): Add support for relocs:
 444         R_MIPS_PCHI16, R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2,
 445         R_MIPS_PC18_S3 and R_MIPS_PC19_S2.
 446         (Target_mips::elf_mips_mach_name): Add E_MIPS_ARCH_32R6 and
 447         E_MIPS_ARCH_64R6 support.
 448
 449 2016-06-13  H.J. Lu  <hongjiu.lu@intel.com>
 450
 451         PR gold/20246
 452         * testsuite/script_test_2.t: Add .got.plt after .got.
 453
 454 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 455
 456         * mips.cc (struct Mips_abiflags): New struct.
 457         (Mips_relobj::Mips_relobj): Initialize attributes_section_data_
 458         and abiflags_.
 459         (Mips_relobj::~Mips_relobj): Delete object pointed by
 460         attributes_section_data_.
 461         (Mips_relobj::abiflags): New method.
 462         (Mips_relobj::attributes_section_data): Likewise.
 463         (Mips_relobj::attributes_section_data_): New data member.
 464         (Mips_relobj::abiflags_): Likewise.
 465         (class Mips_output_section_abiflags): New class.
 466         (Target_mips::Target_mips): Initialize attributes_section_data_,
 467         abiflags_ and has_abiflags_section_.
 468         (Target_mips::do_should_include_section): Don't emit input
 469         .MIPS.abiflags sections to output .MIPS.abiflags.
 470         (Target_mips::Mips_mach): Add new enum constants.
 471         (Target_mips::mips_isa_ext_mach): New method.
 472         (Target_mips::mips_isa_ext): Likewise.
 473         (Target_mips::update_abiflags_isa): Likewise.
 474         (Target_mips::infer_abiflags): Likewise.
 475         (Target_mips::create_abiflags): Likewise.
 476         (Target_mips::fp_abi_string): Likewise.
 477         (Target_mips::select_fp_abi): Likewise.
 478         (Target_mips::merge_obj_attributes): Likewise.
 479         (Target_mips::merge_obj_abiflags): Likewise.
 480         (Target_mips::level_rev): Likewise.
 481         (Target_mips::merge_obj_e_flags): Rename from
 482         merge_processor_specific_flags. Remove dyn_obj argument,
 483         call update_abiflags_isa when needed, compare NaN encodings and
 484         compare FP64 state.
 485         (Target_mips::add_machine_extensions): Add two machine extensions
 486         and fix one.
 487         (Target_mips::attributes_section_data_): New data member.
 488         (Target_mips::abiflags_): Likewise.
 489         (Target_mips::has_abiflags_section_): Likewise.
 490         (Mips_relobj::do_read_symbols): Read .gnu.attributes and
 491         .MIPS.abiflags sections if they exists.
 492         (Target_mips::elf_mips_mach): Add E_MIPS_MACH_5900 and
 493         E_MIPS_MACH_OCTEON3 support.
 494         (Target_mips::do_adjust_elf_header): Setup EI_ABIVERSION flag.
 495         (Target_mips::do_finalize_sections): Merge .gnu.attributes and
 496         .MIPS.abiflags sections from input. Create these sections if
 497         needed.
 498         (Target_mips::elf_mips_mach_name): Add E_MIPS_MACH_5900 and
 499         E_MIPS_MACH_OCTEON3 support, and change strings for
 500         E_MIPS_MACH_LS2E, E_MIPS_MACH_LS2F and E_MIPS_MACH_LS3A just
 501         to match bfd.
 502
 503 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 504
 505         * mips.cc (Mips_relobj::Mips_relobj): Initialize
 506         has_reginfo_section_.
 507         (Mips_relobj::has_reginfo_section_): New data member.
 508         (Mips_relobj::has_reginfo_section): New method.
 509         (class Mips_output_section_reginfo): Change base class to
 510         Output_section_data, and set masks of the output .reginfo section
 511         in constructor.
 512         (Mips_output_section_reginfo::as_mips_output_section_reginfo):
 513         Remove.
 514         (Mips_output_section_reginfo::set_masks): Likewise.
 515         (Mips_output_section_reginfo::set_final_data_size): Likewise.
 516         (Mips_output_section_reginfo::do_print_to_mapfile): New method.
 517         (Target_mips::do_make_output_section): Remove.
 518         (Mips_relobj::do_read_symbols): Set has_reginfo_section_ to true
 519         if the object contains a .reginfo section.
 520         (Target_mips::do_finalize_sections): Create a .reginfo output
 521         section if needed.
 522
 523 2016-06-09  Artemiy Volkov  <artemiyv@acm.org>
 524
 525         * mips.cc (Mips_output_data_got::do_write): Add missing template
 526         args via typedef.
 527
 528 2016-05-30  Marcin Kościelnicki  <koriakin@0x04.net>
 529
 530         PR/19960
 531         * s390.cc (Target_s390::ss_code_st_r14): Removed.
 532         (Target_s390::ss_code_l_r14): Removed.
 533         (Target_s390::ss_code_ear): Removed.
 534         (Target_s390::ss_code_c): Removed.
 535         (Target_s390::ss_match_st_r14): New function.
 536         (Target_s390::ss_match_l_r14): New function.
 537         (Target_s390::ss_match_mcount): Call ss_match_{l,st}_r14 instead
 538         of matching code directly.
 539         (Target_s390::ss_match_ear): New function.
 540         (Target_s390::ss_match_c): New function.
 541         (Target_s390::do_calls_non_split): Call ss_match_{ear,c} instead
 542         of matching code directly.
 543
 544 2016-05-19  Cary Coutant  <ccoutant@gmail.com>
 545
 546         PR gold/19823
 547         * copy-relocs.cc (Copy_relocs::make_copy_reloc): Add object
 548         parameter; check for protected symbol.
 549         * copy-relocs.h (Copy_relocs::make_copy_reloc): Add object parameter.
 550         * mips.cc (Mips_copy_relocs): Adjust call to make_copy_reloc.
 551         * symtab.cc (Symbol::init_fields): Initialize is_protected_.
 552         (Symbol_table::add_from_dynobj): Mark protected symbols.
 553         * symtab.h (Symbol::is_protected): New method.
 554         (Symbol::set_is_protected): New method.
 555         (Symbol::is_protected_): New data member.
 556
 557         * testsuite/Makefile.am (copy_test_protected): New test.
 558         * testsuite/Makefile.in: Regenerate.
 559         * testsuite/copy_test.cc (main): Add legal reference to protected
 560         symbol.
 561         * testsuite/copy_test_v1.cc (main): Likewise.
 562         * testsuite/copy_test_2.cc (ip): Add protected symbol.
 563         * testsuite/copy_test_protected.cc: New test source file.
 564         * testsuite/copy_test_protected.sh: New test script.
 565
 566 2016-05-19  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 567
 568         * mips.cc (Mips_got_entry::Mips_got_entry): Remove object argument
 569         for global got symbols, and set addend to 0.
 570         (Mips_got_entry::hash): Change hash algorithm.
 571         (Mips_got_entry::equals): Refactor.
 572         (Mips_got_entry::object): Return input object for local got symbols
 573         from union d.
 574         (Mips_got_entry::addend): Change return of the relocation addend.
 575         (Mips_got_entry::addend_): Move from union d.
 576         (Mips_got_entry::object_): Move into union d.
 577         (class Mips_symbol_hash): New class.
 578         (Mips_got_info::Global_got_entry_set): New type.
 579         (Mips_got_info::global_got_symbols): Change return type to
 580         Global_got_entry_set.
 581         (Mips_got_info::global_got_symbols_): Change type to
 582         Global_got_entry_set.
 583         (Mips_symbol::hash): New method.
 584         (Mips_output_data_la25_stub::symbols_): Change type to std::vector.
 585         (Mips_output_data_mips_stubs::Mips_stubs_entry_set): New type.
 586         (Mips_output_data_mips_stubs::symbols_): Change type to
 587         Mips_stubs_entry_set.
 588         (Mips_got_info::record_global_got_symbol): Don't pass object
 589         argument when creating global got symbol.
 590         (Mips_got_info::record_got_entry): Remove find before inserting
 591         got entries.
 592         (Mips_got_info::add_reloc_only_entries): Change type of iterator
 593         to Global_got_entry_set.
 594         (Mips_got_info::count_got_symbols): Likewise.
 595         (Mips_output_data_la25_stub::create_la25_stub): Use push_back
 596         for adding entries to symbols_.
 597         (Mips_output_data_la25_stub::do_write): Change type of iterator
 598         to std::vector.
 599         (Mips_output_data_mips_stubs::set_lazy_stub_offsets): Change type
 600         of iterator to Mips_stubs_entry_set.
 601         (Mips_output_data_mips_stubs::set_needs_dynsym_value): Likewise.
 602         (Mips_output_data_mips_stubs::do_write): Likewise.
 603
 604 2016-05-06  Han Shen  <shenhan@google.com>
 605
 606         PR gold/19987.
 607
 608         * aarch64-reloc.def: New relocation type.
 609         * aarch64.cc (AArch64_relocate_functions::Page): Changed to public.
 610         (Target_aarch64::Scan::local): Add R_AARCH64_LD64_GOTPAGE_LO15.
 611         (Target_aarch64::Scan::global): Add R_AARCH64_LD64_GOTPAGE_LO15.
 612         (Target_aarch64::Relocate::relocate): Implement R_AARCH64_LD64_GOTPAGE_LO15.
 613
 614 2016-04-28  Nick Clifton  <nickc@redhat.com>
 615
 616         * po/zh_CN.po: Updated Chinese (simplified) translation.
 617
 618 2016-04-15  H.J. Lu  <hongjiu.lu@intel.com>
 619
 620         * Makefile.in: Regenerated with automake 1.11.6.
 621         * aclocal.m4: Likewise.
 622         * testsuite/Makefile.in: Likewise.
 623
 624 2016-03-30  Cary Coutant  <ccoutant@gmail.com>
 625
 626         PR gold/16979
 627         * symtab.cc (Symbol_table::define_default_version): Check for case
 628         where symbols are both in different shared objects.
 629
 630 2016-03-27  Cary Coutant  <ccoutant@gmail.com>
 631
 632         PR gold/16111
 633         * i386.cc (Target_i386): Add check for fully-resolved symbol for
 634         R_386_GOTOFF.
 635
 636 2016-03-22  Nick Clifton  <nickc@redhat.com>
 637
 638         * configure: Regenerate.
 639
 640 2016-03-21  Cary Coutant  <ccoutant@gmail.com>
 641
 642         PR gold/19842
 643         * errors.cc (Errors::undefined_symbol): Add info message when
 644         symbol should have been provided by a plugin.
 645         * target-reloc.h (issue_undefined_symbol_error): Check for
 646         placeholder symbols defined in discarded sections.
 647         * testsuite/Makefile.am (plugin_test_9b): New test case.
 648         * testsuite/Makefile.in: Regenerate.
 649         * testsuite/plugin_test_9b_elf.cc: New test source file.
 650         * testsuite/plugin_test_9b_ir.cc: New test source file.
 651
 652 2016-03-20  Cary Coutant  <ccoutant@gmail.com>
 653
 654         PR gold/19002
 655         * ehframe.cc (Eh_frame::read_fde): Check for dropped functions.
 656         * testsuite/Makefile.am (eh_test_2): New test.
 657         * testsuite/Makefile.in: Regenerate.
 658         * testsuite/eh_test_2.sh: New test script.
 659         * testsuite/eh_test_a.cc (bar): Make it comdat.
 660         * testsuite/eh_test_b.cc (bar): Add a duplicate copy.
 661
 662 2016-03-18  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 663
 664         * mips.cc (Mips_relobj::is_n64_): Remove.
 665         (Target_mips::ei_class_): Likewise.
 666         (Mips_relobj::is_newabi): Call methods.
 667         (Mips_relobj::is_n64): Change checking for N64 ABI.
 668         (Target_mips::is_output_n64): Likewise.
 669         (Target_mips::merge_processor_specific_flags): Remove ei_class
 670         argument, and remove comparing ei_class.
 671         (Target_mips::do_adjust_elf_header): Remove setting EI_CLASS field
 672         of the ELF header.
 673         (Target_mips::do_finalize_sections): Don't pass ei_class argument
 674         to merge_processor_specific_flags.
 675         (Target_mips::elf_mips_abi_name): Remove ei_class argument, and
 676         change checking for N64 ABI.
 677
 678 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 679
 680         * mips.cc (enum Special_relocation_symbol): New enum type.
 681         (is_readonly_section): New function.
 682         (eh_reloc): Likewise.
 683         (Mips_got_entry::is_section_symbol_): New member.
 684         (Mips_got_entry::is_section_symbol): New method.
 685         (Mips_got_info::record_local_got_symbol): Add is_section_symbol
 686         argument.
 687         (Mips_relobj::mips_elf_options_section_name): New method.
 688         (Mips_output_data_got::record_local_got_symbol): Add
 689         is_section_symbol argument, and pass it to
 690         Mips_got_info::record_local_got_symbol.
 691         (Mips_output_data_got::got_offset): Add addend argument, and pass
 692         it to Relobj::local_got_offset.
 693         (struct Mips_output_reloc_writer): New type.
 694         (class Mips_output_data_reloc): New class.
 695         (Mips_output_data_plt::Reloc_section): Change type to
 696         Mips_output_data_reloc.
 697         (Target_mips::Reloc_section): Likewise.
 698         (Mips_reloc_types::get_r_addend): Remove unsigned from return type.
 699         (Mips_classify_reloc::get_r_type2): New method.
 700         (Mips_classify_reloc::get_r_type3): Likewise.
 701         (Mips_classify_reloc::get_r_ssym): Likewise.
 702         (Target_mips::Reloca_section): Remove.
 703         (Relocate::should_apply_static_reloc): Rename from
 704         should_apply_r_mips_32_reloc.
 705         (Target_mips::copy_reloc): Replace Reltype parameter with r_type
 706         and r_offset.
 707         (Mips_relocate_functions::Valtype): New type.
 708         (Mips_relocate_functions::Valtype64): New type.
 709         (Mips_relocate_functions::check_overflow): New method.
 710         (Mips_relocate_functions::mips_reloc_unshuffle): Move to public
 711         interface.
 712         (Mips_relocate_functions::mips_reloc_shuffle): Likewise.
 713         (Mips_relocate_functions::rel16): Add support for resolving
 714         relocations for Mips64.
 715         (Mips_relocate_functions::rel32): Likewise.
 716         (Mips_relocate_functions::reljalr): Likewise.
 717         (Mips_relocate_functions::relpc32): Likewise.
 718         (Mips_relocate_functions::rel26): Likewise.
 719         (Mips_relocate_functions::relpc16): Likewise.
 720         (Mips_relocate_functions::relmicromips_pc7_s1): Likewise.
 721         (Mips_relocate_functions::relmicromips_pc10_s1): Likewise.
 722         (Mips_relocate_functions::relmicromips_pc16_s1): Likewise.
 723         (Mips_relocate_functions::do_relhi16): Likewise.
 724         (Mips_relocate_functions::do_relgot16_local): Likewise.
 725         (Mips_relocate_functions::rello16): Likewise.
 726         (Mips_relocate_functions::relgot): Likewise.
 727         (Mips_relocate_functions::relgotpage): Likewise.
 728         (Mips_relocate_functions::relgotofst): Likewise.
 729         (Mips_relocate_functions::relgot_hi16): Likewise.
 730         (Mips_relocate_functions::relgot_lo16): Likewise.
 731         (Mips_relocate_functions::relgprel): Likewise.
 732         (Mips_relocate_functions::relgprel32): Likewise.
 733         (Mips_relocate_functions::tlsrelhi16): Likewise.
 734         (Mips_relocate_functions::tlsrello16): Likewise.
 735         (Mips_relocate_functions::tlsrel32): Likewise.
 736         (Mips_relocate_functions::relsub): Likewise.
 737         (Mips_relocate_functions::releh): New method.
 738         (Mips_relocate_functions::rel64): Likewise.
 739         (Mips_got_info::record_local_got_symbol): Add is_section_symbol and
 740         pass it to Mips_got_entry.
 741         (Mips_got_info::add_local_entries): Pass addend argument
 742         to code functions, and for STT_SECTION symbols call
 743         add_symbolless_local_addend.
 744         (Mips_got_info::add_tls_entries): Pass addend argument to code
 745         functions.
 746         (Mips_relobj::do_read_symbols): Read gp value that was used to
 747         create object.
 748         (Mips_output_data_plt::plt_entry): Remove opcode from l[wd]
 749         instruction. Opcode for instruction will be selected later.
 750         (Target_mips::gc_process_relocs): Add case for SHT_RELA.
 751         (Target_mips::scan_relocatable_relocs): Likewise.
 752         (Target_mips::emit_relocs_scan): Likewise.
 753         (Target_mips::relocate_relocs): Likewise.
 754         (Target_mips::do_finalize_sections): Skip objects for merging
 755         processor specific flags in which all input sections will be
 756         discarded.
 757         (mips_get_size_for_reloc): Add case for R_MIPS_EH.
 758         (Target_mips::Scan::get_reference_flags): Likewise.
 759         (Target_mips::relocate_special_relocatable): Call rel26 method with
 760         calculate_only and calculated_value arguments.
 761         (Target_mips::Scan::local): Add case for R_MIPS_EH. Don't create a
 762         dynamic relocation against a readonly sections, and pass
 763         is_section_symbol to Mips_got_info::record_local_got_symbol.
 764         (Target_mips::Scan::global): Add case for R_MIPS_EH. Don't create a
 765         dynamic relocation against a readonly sections, and pass r_type
 766         and r_offset to Target_mips::copy_reloc.
 767         (Target_mips::Relocate::relocate): Add support for resolving
 768         relocations for Mips64.
 769         (Target_mips::mips_info): Add case for Mips64 default dynamic
 770         linker name.
 771         (Target_selector_mips): Correct emulation names.
 772
 773 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 774
 775         * mips.cc (class Mips_output_data_la25_stub): Add
 776         do_print_to_mapfile function.
 777
 778 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 779
 780         * mips.cc (Mips_classify_reloc::put_r_info): Call 32bit version of
 781         elf_r_info.
 782
 783 2016-03-09  H.J. Lu  <hongjiu.lu@intel.com>
 784
 785         * testsuite/plugin_layout_with_alignment.cc: Renamed to ..
 786         * testsuite/plugin_layout_with_alignment.c: This.
 787         * testsuite/Makefile.am (plugin_layout_with_alignment.o): Updated.
 788         (plugin_layout_with_alignment): Likewise.
 789         * testsuite/Makefile.in: Regenerated.
 790
 791 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 792
 793         PR 19751
 794         * testsuite/Makefile.am (retain_symbols_file_test): Remove check
 795         for constructor.
 796         * testsuite/Makefile.in: Regenerate.
 797         * testsuite/dynamic_list.sh: Likewise.
 798         * testsuite/retain_symbols_file_test.sh: Likewise.
 799
 800 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 801
 802         PR 19751
 803         * arm.cc (Reloc_stub::Key::name): Add unused attribute.
 804         * dirsearch.cc (Dir_caches::~Dir_caches): Likewise.
 805
 806 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 807             Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 808
 809         * output.cc (Output_reloc_writer): New type.
 810         (Output_data_reloc_base::do_write): Move implementation to template
 811         in output.h and replace with invocation of template.
 812         * output.h (Output_file): Move to top of file.
 813         (Output_reloc::get_symbol_index): Move to public interface.
 814         (Output_reloc::get_address): Likewise.
 815         (Output_data_reloc_base::do_write_generic): New function template.
 816
 817 2016-03-04  Cary Coutant  <ccoutant@gmail.com>
 818
 819         PR gold/19019
 820         PR gold/19763
 821         * symtab.cc: Instantiate Sized_symbol::init_constant and
 822         Sized_symbol::init_undefined.
 823
 824 2016-03-03  Cary Coutant  <ccoutant@gmail.com>
 825
 826         PR gold/19019
 827         * layout.h (Layout::add_target_specific_dynamic_tag): New function.
 828         * layout.cc (Layout::add_target_specific_dynamic_tag): New function.
 829         * mips.cc (Target_mips::make_symbol): Adjust function signature.
 830         * sparc.cc (Target_sparc::Target_sparc): Initialize register_syms_.
 831         (Target_sparc::do_is_defined_by_abi): Remove test for
 832         STT_SPARC_REGISTER.
 833         (Target_sparc::Register_symbol): New struct type.
 834         (Target_sparc::register_syms_): New data member.
 835         (Target_sparc<64, true>::sparc_info): Set has_make_symbol to true.
 836         (Target_sparc::make_symbol): New function.
 837         (Target_sparc::do_finalize_sections): Add register symbols and new
 838         dynamic table entries.
 839         * symtab.h (Sized_symbol::init_undefined): Add value parameter.
 840         (Symbol_table::add_target_global_symbol): New function.
 841         (Symbol_table::target_symbols_): New data member.
 842         * symtab.cc (Sized_symbol::init_undefined): Add value parameter.
 843         (Symbol_table::Symbol_table): Initialize target_symbols_.
 844         (Symbol_table::add_from_object): Pass additional parameters to
 845         Target::make_symbol.
 846         (Symbol_table::define_special_symbol): Likewise.
 847         (Symbol_table::add_undefined_symbol_from_command_line): Pass 0 for
 848         undefined symbol value.
 849         (Symbol_table::set_dynsym_indexes): Process target-specific symbols.
 850         (Symbol_table::sized_finalize): Likewise.
 851         (Symbol_table::sized_write_globals): Likewise.
 852         * target.h (Sized_target::make_symbol): Add name, st_type, object,
 853         st_shndx, and value parameters.
 854
 855 2016-03-03  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
 856
 857         * plugin.cc (do_should_include_member): Ignore LDPK_UNDEF and
 858         LDPK_WEAKUNDEF symbols.
 859
 860 2016-03-03  Than McIntosh  <thanm@google.com>
 861
 862         * plugin.cc (Plugin::load): Include hooks for get_input_section_size
 863         and get_input_section_alignment in transfer vector.
 864         (get_input_section_alignment): New function.
 865         (get_input_section_size): New function.
 866         * testsuite/Makefile.am: Add plugin_layout_with_alignment.sh test.
 867         * testsuite/Makefile.in: [Regenerate.]
 868         * testsuite/plugin_section_alignment.cc: New test file.
 869         * testsuite/plugin_layout_with_alignment.cc: New test file.
 870         * testsuite/plugin_layout_with_alignment.sh: New test file.
 871
 872 2016-03-03  Evgenii Stepanov  <eugenis@google.com>
 873
 874         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 875         parameter.
 876         * plugin.cc (get_symbols_v3): New function.
 877         (Plugin::load): Add LDPT_GET_SYMBOLS_V3.
 878         (Pluginobj::get_symbol_resolution_info): Return LDPS_NO_SYMS when using
 879         new version.
 880
 881 2016-02-26  Egor Kochetov  <egor.kochetov@intel.com>
 882             Cary Coutant  <ccoutant@gmail.com>
 883
 884         PR gold/19735
 885         * ehframe.h (Cie::fde_encoding): New method.
 886         * ehframe.cc (Eh_frame::read_fde): Discard FDEs for zero-length
 887         address ranges.
 888
 889 2016-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 890
 891         * testsuite/Makefile.am (x86_64_mov_to_lea5.o): Pass
 892         -mrelax-relocations=yes to $(TEST_AS).
 893         (x86_64_mov_to_lea6.o): Likewise.
 894         (x86_64_overflow_pc32.o): Remove duplicated target.
 895         * testsuite/Makefile.in: Regenerated.
 896
 897 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
 898
 899         * s390.cc (Target_s390::match_view_u): New helper method.
 900         (Target_s390::do_is_call_to_non_split): New method.
 901         (Target_s390::ss_code_st_r14): New const.
 902         (Target_s390::ss_code_l_r14): New const.
 903         (Target_s390::ss_code_bras_8): New const.
 904         (Target_s390::ss_code_l_basr): New const.
 905         (Target_s390::ss_code_a_basr): New const.
 906         (Target_s390::ss_code_ear): New const.
 907         (Target_s390::ss_code_c): New const.
 908         (Target_s390::ss_code_larl): New const.
 909         (Target_s390::ss_code_brasl): New const.
 910         (Target_s390::ss_code_jg): New const.
 911         (Target_s390::ss_code_jgl): New const.
 912         (Target_s390::ss_match_mcount): New helper method.
 913         (Target_s390::ss_match_l): New helper method.
 914         (Target_s390::ss_match_ahi): New helper method.
 915         (Target_s390::ss_match_alfi): New helper method.
 916         (Target_s390::ss_match_cr): New helper method.
 917         (Target_s390::do_calls_non_split): New method.
 918         * testsuite/Makefile.am: Added new tests.
 919         * testsuite/Makefile.in: Regenerate.
 920         * testsuite/split_s390.sh: New test.
 921         * testsuite/split_s390_1_a1.s: New test.
 922         * testsuite/split_s390_1_a2.s: New test.
 923         * testsuite/split_s390_1_n1.s: New test.
 924         * testsuite/split_s390_1_n2.s: New test.
 925         * testsuite/split_s390_1_z1.s: New test.
 926         * testsuite/split_s390_1_z2.s: New test.
 927         * testsuite/split_s390_1_z3.s: New test.
 928         * testsuite/split_s390_1_z4.s: New test.
 929         * testsuite/split_s390_2_ns.s: New test.
 930         * testsuite/split_s390_2_s.s: New test.
 931         * testsuite/split_s390x_1_a1.s: New test.
 932         * testsuite/split_s390x_1_a2.s: New test.
 933         * testsuite/split_s390x_1_n1.s: New test.
 934         * testsuite/split_s390x_1_n2.s: New test.
 935         * testsuite/split_s390x_1_z1.s: New test.
 936         * testsuite/split_s390x_1_z2.s: New test.
 937         * testsuite/split_s390x_1_z3.s: New test.
 938         * testsuite/split_s390x_1_z4.s: New test.
 939         * testsuite/split_s390x_2_ns.s: New test.
 940         * testsuite/split_s390x_2_s.s: New test.
 941
 942 2016-02-11 Rahul Chaudhry  <rahulchaudhry@google.com>
 943
 944         * aarch64.cc (Target_aarch64::scan_erratum_843419_span): Remove
 945         info message for every erratum 843419 found and fixed.
 946
 947 2016-02-07  Cary Coutant  <ccoutant@gmail.com>
 948
 949         PR gold/18695
 950         * x86_64.cc (Target_x86_64::Relocate::relocate): Add additional
 951         information to relocation overflow errors.
 952
 953 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 954
 955         PR gold/18695
 956         * x86_64.cc (X86_64_relocate_functions::pcrela32_check): Fix x32
 957         overflow checking when symbol value + addend < 0.
 958
 959 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 960
 961         PR gold/19577
 962         * reloc.h (Limits): New class.
 963         (Bits::has_overflow32): Use min/max values from Limits.
 964         (Bits::has_unsigned_overflow32): Likewise.
 965         (Bits::has_signed_unsigned_overflow32): Likewise.
 966         (Bits::has_overflow): Likewise.
 967         (Bits::has_unsigned_overflow): Likewise.
 968         (Bits::has_signed_unsigned_overflow64): Likewise.
 969
 970 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 971
 972         PR gold/19567
 973         * reloc.h (Relocate_functions::Overflow_check): Add comments.
 974         * x86_64.cc (X86_64_relocate_functions): New class.
 975         (Target_x86_64::Relocate::relocate): Use the new class.
 976         * testsuite/Makefile.am (x86_64_overflow_pc32): Add -Tdata option.
 977         (x32_overflow_pc32): New test case.
 978         * testsuite/Makefile.in: Regenerate.
 979         * testsuite/x32_overflow_pc32.sh: New script.
 980         * testsuite/x86_64_overflow_pc32.s: Remove .space directive.
 981
 982 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 983
 984         PR gold/19577
 985         * reloc.h (Bits::has_unsigned_overflow32): Fix static_cast.
 986         (Bits::has_unsigned_overflow): Remove unnecessary static_cast.
 987
 988 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 989
 990         PR gold/19577
 991         * reloc.h (Bits::has_unsigned_overflow32): Fix unsigned/signed
 992         comparison.
 993         (Bits::has_unsigned_overflow): Likewise.
 994
 995 2016-02-06  Marcin Kościelnicki  <koriakin@0x04.net>
 996
 997         * i386.cc (Target_i386::is_call_to_non_split): Add view and view_size
 998         parameters.
 999         * reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Pass view
1000         and view_size to is_call_to_non_split.
1001         * target.cc (Target::is_call_to_non_split): Add view and view_size
1002         parameters.
1003         * target.h (class Target): Likewise.
1004
1005 2016-02-05  Sriraman Tallam  <tmsriram@google.com>
1006
1007         * icf.cc (get_rel_addend): New function.
1008         (get_section_contents):  Move merge section addend computation to a
1009         new function.  Ignore negative values for SHT_REL and SHT_RELA addends.
1010         Fix bug to not read past the length of the section.
1011
1012 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
1013             Andrew Senkevich  <andrew.senkevich@intel.com>
1014
1015         PR gold/18695
1016         * x86_64.cc (Target_x86_64::Relocate::relocate): Add overflow
1017         checking for R_X86_64_32, R_X86_64_32S, R_X86_64_PC32, and
1018         R_X86_64_PLT32.
1019         * testsuite/Makefile.am (x86_64_overflow_pc32): New test.
1020         * testsuite/x86_64_overflow_pc32.sh: New test script.
1021         * testsuite/x86_64_overflow_pc32.s: New source file.
1022
1023 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
1024
1025         PR gold/18695
1026         * reloc.h (Relocate_functions::Address): New typedef.
1027         (Relocate_functions::Addendtype): New typedef.
1028         (Relocate_functions::Overflow_check): New enum type.
1029         (Relocate_functions::Reloc_status): New enum type.
1030         (Relocate_functions::check_overflow): New function template.
1031         (Relocate_functions::rel): Add check parameter; check for overflow.
1032         (Relocate_functions::rel_unaligned): Likewise.
1033         (Relocate_functions::rela): Likewise.
1034         (Relocate_functions::pcrel): Likewise.
1035         (Relocate_functions::pcrel_unaligned): Likewise.
1036         (Relocate_functions::pcrela): Likewise.
1037         (Relocate_functions::rel8): Adjust parameter types.
1038         (Relocate_functions::rela8): Likewise.
1039         (Relocate_functions::pcrel8): Likewise.
1040         (Relocate_functions::pcrela8): Likewise.
1041         (Relocate_functions::rel16): Likewise.
1042         (Relocate_functions::rela168): Likewise.
1043         (Relocate_functions::pcrel16): Likewise.
1044         (Relocate_functions::pcrela16): Likewise.
1045         (Relocate_functions::rel32): Likewise.
1046         (Relocate_functions::rel32_unaligned): Likewise.
1047         (Relocate_functions::rela32): Likewise.
1048         (Relocate_functions::pcrel32): Likewise.
1049         (Relocate_functions::pcrel32_unaligned): Likewise.
1050         (Relocate_functions::pcrela32): Likewise.
1051         (Relocate_functions::rel8_check): New function.
1052         (Relocate_functions::rela8_check): New function.
1053         (Relocate_functions::pcrel8_check): New function.
1054         (Relocate_functions::pcrela8_check): New function.
1055         (Relocate_functions::rel16_check): New function.
1056         (Relocate_functions::rela168_check): New function.
1057         (Relocate_functions::pcrel16_check): New function.
1058         (Relocate_functions::pcrela16_check): New function.
1059         (Relocate_functions::rel32_check): New function.
1060         (Relocate_functions::rel32_unaligned_check): New function.
1061         (Relocate_functions::rela32_check): New function.
1062         (Relocate_functions::pcrel32_check): New function.
1063         (Relocate_functions::pcrel32_unaligned_check): New function.
1064         (Relocate_functions::pcrela32_check): New function.
1065         (Bits::has_unsigned_overflow32): New function.
1066         (Bits::has_unsigned_overflow): New function.
1067         * testsuite/Makefile.am (overflow_unittest): New test.
1068         * testsuite/Makefile.in: Regenerate.
1069         * testsuite/overflow_unittest.cc: New source file.
1070
1071 2016-02-04  Alan Modra  <amodra@gmail.com>
1072
1073         * powerpc.cc (relocate): Adjust last patch for big-endian.
1074
1075 2016-02-02  Alan Modra  <amodra@gmail.com>
1076
1077         * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
1078
1079 2016-01-15 Han Shen  <shenhan@google.com>
1080
1081         PR gold/19472 - need pc-relative stubs.
1082
1083         * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
1084         stub type for DSOs and pie executables.
1085
1086 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
1087
1088         * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove
1089         'typename'.
1090
1091 2016-01-12  Cary Coutant  <ccoutant@gmail.com>
1092
1093         * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method.
1094         * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method.
1095         * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both
1096         specializations) New method.
1097
1098 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1099
1100         PR gold/19353
1101         * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
1102         we have a TLS segment for GD-to-IE optimization.
1103         * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
1104         Adjust all calls.
1105         (Target_i386::tls_desc_gd_to_ie): Likewise.
1106         (Target_i386::relocate_tls): Don't insist that we have a TLS segment
1107         for TLSDESC GD-to-IE optimizations.
1108         * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
1109         Adjust all calls.
1110         (Target_x86_64::tls_desc_gd_to_ie): Likewise.
1111         (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
1112         for TLSDESC GD-to-IE optimizations.
1113
1114 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1115
1116         Refactor gold to enable support for MIPS-64 relocation format.
1117
1118         * gc.h (get_embedded_addend_size): Remove sh_type parameter.
1119         (gc_process_relocs): Remove sh_type template parameter.
1120         Use Classify_reloc to access r_sym, r_type, and r_addend fields.
1121         * object.h (Sized_relobj_file::split_stack_adjust): Add target
1122         parameter.
1123         (Sized_relobj_file::split_stack_adjust_reltype): Likewise.
1124         * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA
1125         specializations) Remove.
1126         * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h.
1127         (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan().
1128         (Sized_relobj_file::emit_relocs_scan_reltype): Remove.
1129         (Sized_relobj_file::split_stack_adjust): Add target parameter.
1130         Adjust all callers.
1131         (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call
1132         Target::get_r_sym() to get r_sym field from relocations.
1133         (Track_relocs::next_symndx): Call Target::get_r_sym().
1134         * target-reloc.h (scan_relocs): Remove sh_type template parameter;
1135         add Classify_reloc template parameter.  Use for accessing r_sym and
1136         r_type.
1137         (relocate_section): Likewise.
1138         (Default_classify_reloc): New class (renamed and moved from reloc.cc).
1139         (Default_scan_relocatable_relocs): Remove sh_type template parameter.
1140         (Default_scan_relocatable_relocs::Reltype): New typedef.
1141         (Default_scan_relocatable_relocs::reloc_size): New const.
1142         (Default_scan_relocatable_relocs::sh_type): New const.
1143         (Default_scan_relocatable_relocs::get_r_sym): New method.
1144         (Default_scan_relocatable_relocs::get_r_type): New method.
1145         (Default_emit_relocs_strategy): New class.
1146         (scan_relocatable_relocs): Replace sh_type template parameter with
1147         Scan_relocatable_relocs class.  Use it to access r_sym and r_type
1148         fields.
1149         (relocate_relocs): Replace sh_type template parameter with
1150         Classify_reloc class.  Use it to access r_sym and r_type fields.
1151         * target.h (Target::is_call_to_non_split): Replace r_type parameter
1152         with pointer to relocation. Adjust all callers.
1153         (Target::do_is_call_to_non_split): Likewise.
1154         (Target::emit_relocs_scan): New virtual method.
1155         (Sized_target::get_r_sym): New virtual method.
1156         * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter
1157         with pointer to relocation.
1158
1159         * aarch64.cc (Target_aarch64::emit_relocs_scan): New method.
1160         (Target_aarch64::Relocatable_size_for_reloc): Remove.
1161         (Target_aarch64::gc_process_relocs): Use Default_classify_reloc.
1162         (Target_aarch64::scan_relocs): Likewise.
1163         (Target_aarch64::relocate_section): Likewise.
1164         (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc):
1165         Remove.
1166         (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc.
1167         (Target_aarch64::relocate_relocs): Use Default_classify_reloc.
1168         * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type
1169         template parameter.
1170         (Target_arm::emit_relocs_scan): New method.
1171         (Target_arm::Relocatable_size_for_reloc): Replace with...
1172         (Target_arm::Classify_reloc): ...this.
1173         (Target_arm::gc_process_relocs): Use Classify_reloc.
1174         (Target_arm::scan_relocs): Likewise.
1175         (Target_arm::relocate_section): Likewise.
1176         (Target_arm::scan_relocatable_relocs): Likewise.
1177         (Target_arm::relocate_relocs): Likewise.
1178         * i386.cc (Target_i386::emit_relocs_scan): New method.
1179         (Target_i386::Relocatable_size_for_reloc): Replace with...
1180         (Target_i386::Classify_reloc): ...this.
1181         (Target_i386::gc_process_relocs): Use Classify_reloc.
1182         (Target_i386::scan_relocs): Likewise.
1183         (Target_i386::relocate_section): Likewise.
1184         (Target_i386::scan_relocatable_relocs): Likewise.
1185         (Target_i386::relocate_relocs): Likewise.
1186         * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template
1187         parameter.
1188         (Mips_reloc_types): New class template.
1189         (Mips_classify_reloc): New class template.
1190         (Target_mips::Reltype): New typedef.
1191         (Target_mips::Relatype): New typedef.
1192         (Target_mips::emit_relocs_scan): New method.
1193         (Target_mips::get_r_sym): New method.
1194         (Target_mips::Relocatable_size_for_reloc): Replace with
1195         Mips_classify_reloc.
1196         (Target_mips::copy_reloc): Use Mips_classify_reloc.
1197         (Target_mips::gc_process_relocs): Likewise.
1198         (Target_mips::scan_relocs): Likewise.
1199         (Target_mips::relocate_section): Likewise.
1200         (Target_mips::scan_relocatable_relocs): Likewise.
1201         (Target_mips::relocate_relocs): Likewise.
1202         (mips_get_size_for_reloc): New function, factored out from
1203         Relocatable_size_for_reloc::get_size_for_reloc.
1204         (Target_mips::Scan::local): Use Mips_classify_reloc.
1205         (Target_mips::Scan::global): Likewise.
1206         (Target_mips::Relocate::relocate): Likewise.
1207         * powerpc.cc (Target_powerpc::emit_relocs_scan): New method.
1208         (Target_powerpc::Relocatable_size_for_reloc): Remove.
1209         (Target_powerpc::gc_process_relocs): Use Default_classify_reloc.
1210         (Target_powerpc::scan_relocs): Likewise.
1211         (Target_powerpc::relocate_section): Likewise.
1212         (Powerpc_scan_relocatable_reloc): Convert to class template.
1213         (Powerpc_scan_relocatable_reloc::Reltype): New typedef.
1214         (Powerpc_scan_relocatable_reloc::reloc_size): New const.
1215         (Powerpc_scan_relocatable_reloc::sh_type): New const.
1216         (Powerpc_scan_relocatable_reloc::get_r_sym): New method.
1217         (Powerpc_scan_relocatable_reloc::get_r_type): New method.
1218         (Target_powerpc::scan_relocatable_relocs): Use
1219         Powerpc_scan_relocatable_reloc.
1220         (Target_powerpc::relocate_relocs): Use Default_classify_reloc.
1221         * s390.cc (Target_s390::emit_relocs_scan): New method.
1222         (Target_s390::Relocatable_size_for_reloc): Remove.
1223         (Target_s390::gc_process_relocs): Use Default_classify_reloc.
1224         (Target_s390::scan_relocs): Likewise.
1225         (Target_s390::relocate_section): Likewise.
1226         (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc):
1227         Remove.
1228         (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc.
1229         (Target_s390::relocate_relocs): Use Default_classify_reloc.
1230         * sparc.cc (Target_sparc::emit_relocs_scan): New method.
1231         (Target_sparc::Relocatable_size_for_reloc): Remove.
1232         (Target_sparc::gc_process_relocs): Use Default_classify_reloc.
1233         (Target_sparc::scan_relocs): Likewise.
1234         (Target_sparc::relocate_section): Likewise.
1235         (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc):
1236         Remove.
1237         (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc.
1238         (Target_sparc::relocate_relocs): Use Default_classify_reloc.
1239         * tilegx.cc (Target_tilegx::emit_relocs_scan): New method.
1240         (Target_tilegx::Relocatable_size_for_reloc): Remove.
1241         (Target_tilegx::gc_process_relocs): Use Default_classify_reloc.
1242         (Target_tilegx::scan_relocs): Likewise.
1243         (Target_tilegx::relocate_section): Likewise.
1244         (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc):
1245         Remove.
1246         (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc.
1247         (Target_tilegx::relocate_relocs): Use Default_classify_reloc.
1248         * x86_64.cc (Target_x86_64::emit_relocs_scan): New method.
1249         (Target_x86_64::Relocatable_size_for_reloc): Remove.
1250         (Target_x86_64::gc_process_relocs): Use Default_classify_reloc.
1251         (Target_x86_64::scan_relocs): Likewise.
1252         (Target_x86_64::relocate_section): Likewise.
1253         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1254         Remove.
1255         (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc.
1256         (Target_x86_64::relocate_relocs): Use Default_classify_reloc.
1257
1258         * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method.
1259
1260 2016-01-01  Alan Modra  <amodra@gmail.com>
1261
1262         Update year range in copyright notice of all files.
1263
1264 For older changes see ChangeLog-0815
1265 \f
1266 Copyright (C) 2016 Free Software Foundation, Inc.
1267
1268 Copying and distribution of this file, with or without modification,
1269 are permitted in any medium without royalty provided the copyright
1270 notice and this notice are preserved.
1271
1272 Local Variables:
1273 mode: change-log
1274 left-margin: 8
1275 fill-column: 74
1276 version-control: never
1277 End: