gold/ChangeLog

   1 2016-10-21  Gergely Nagy  <ngg@tresorit.com>
   2
   3         PR gold/17704
   4         * icf.cc (match_sections): Add new parameter section_addraligns.
   5         Check section alignment and keep the section with the strictest
   6         alignment.
   7         (find_identical_sections): New local variable section_addraligns.
   8         Store each section's alignment.
   9         * testsuite/pr17704a_test.s: New file.
  10         * testsuite/Makefile.am (pr17704a_test): New test.
  11         * testsuite/Makefile.in: Regenerate.
  12
  13 2016-10-06  Alan Modra  <amodra@gmail.com>
  14
  15         * powerpc.cc (Target_powerpc::Relocate::relocate): Add fall
  16         through comment.
  17         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
  18
  19 2016-10-06  Alan Modra  <amodra@gmail.com>
  20
  21         * aarch64.cc: Spell fall through comments as "// Fall through.".
  22         * arm.cc: Likewise.
  23         * mips.cc: Likewise.
  24         * powerpc.cc: Likewise.
  25         * s390.cc: Likewise.
  26         * sparc.cc: Likewise.
  27         * x86_64.cc: Likewise.
  28         * powerpc.cc (Target_powerpc::Relocate::relocate): Add missing
  29         fall through comments.
  30         * sparc.cc: (Target_sparc::Scan::global): Likewise.
  31         (Target_sparc::Relocate::relocate): Likewise.
  32         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
  33         * resolve.cc (symbol_to_bits): Add missing break.
  34
  35 2016-09-26  Cary Coutant  <ccoutant@gmail.com>
  36
  37         PR gold/20238
  38         * symtab.cc (Symbol_table::define_default_version): Check that
  39         unversioned symbol is defined.
  40
  41 2016-09-26  Vlad Zakharov  <vzakhar@synopsys.com>
  42
  43         * Makefile.in: Regenerate.
  44         * configure: Likewise.
  45         * testsuite/Makefile.in: Likewise.
  46
  47 2016-09-26  Alan Modra  <amodra@gmail.com>
  48
  49         * aarch64.cc (Target_aarch64::is_erratum_835769_sequence): Avoid
  50         compiler warning.
  51         * output.cc (Output_segment::set_section_addresses): Likewise.
  52         * testsuite/Makefile.in: Regenerate.
  53
  54 2016-09-02  Doug Kwan  <dougkwan@google.com>
  55
  56         * arm.cc (Target_arm::Target_arm): Move method definition outside of
  57         class definition.  Add code to handle --target1-rel, --target1-abs
  58         and --target2= options.
  59         (Target_arm::get_reloc_reloc_type): Change method to be non-static
  60         and const.
  61         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
  62         member declaration.
  63         (Target_arm::Scan::local, Target_arm::Scan::global,
  64         Target_arm::Relocate::relocate,
  65         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
  66         call to Target_arm::get_real_reloc_type.
  67         (Target_arm::get_real_reloc_type): Use command line options to
  68         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
  69         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
  70         options.
  71
  72 2016-08-31  Alan Modra  <amodra@gmail.com>
  73
  74         * powerpc.cc (class Stub_control): Delete stub14_group_size_
  75         and has14_.  Add group_size_.
  76         (Stub_control::can_add_to_stub_group): Adjust to suit.  Print
  77         debug info when switching to adding sections before stubs.
  78
  79 2016-08-31  Alan Modra  <amodra@gmail.com>
  80
  81         * debug.h (DEBUG_TARGET): New.
  82         (DEBUG_ALL): Add DEBUG_TARGET.
  83         (gold_debug): Delete FORMAT param.
  84         * powerpc.cc (Stub_control::can_add_to_stub_group): Print debug ourput.
  85
  86 2016-08-30  Alan Modra  <amodra@gmail.com>
  87
  88         PR 20523
  89         * powerpc.cc (class Stub_control): Add has14_.  Comment owner_.
  90         (Stub_control::can_add_to_stub_group): Correct grouping of
  91         sections containing 14-bit external branches.  When returning
  92         false, set state_ to reflect the fact that we have one section
  93         for the next group.  Rewrite most of function for clarity.
  94         Add and expand comments.
  95         (Target_powerpc::do_relax): Print stub group size retry in hex.
  96
  97 2016-08-26  Han Shen  <shenhan@google.com>
  98
  99         PR gold/20529 - relaxing loop never ends.
 100
 101         * powerpc.cc (Stub_table::min_size_threshold_): New member to
 102         limit size.
 103         (Stub_table::set_min_size_threshold): New member function.
 104         (Stub_table::set_address_and_size): Add code to only allow size
 105         increase.
 106         (Target_powerpc::do_relax): Add code to record last size.
 107
 108 2016-08-23  Roland McGrath  <roland@hack.frob.com>
 109
 110         * options.h (General_options): Grok -z stack-size.
 111         * output.h (Output_segment::set_size): New method.
 112         * layout.cc (Layout::create_executable_stack_info): Renamed to ...
 113         (Layout::create_stack_segment): ... this.  Always create the
 114         segment if -z stack-size was used.
 115         (Layout::set_segment_offsets): Don't call ->set_offset on the
 116         PT_GNU_STACK segment.
 117
 118 2016-08-15  Bharathi Seshadri  <bseshadr@cisco.com>
 119
 120         * options.h (General_options): Add --be8 option.
 121         * arm.cc (Arm_relobj::do_relocate_sections): Add code to swap for be8.
 122         (Output_data_plt_arm_standard::do_fill_first_plt_entry): Likewise.
 123         (Output_data_plt_arm_short::do_fill_plt_entry): Likewise.
 124         (Output_data_plt_arm_long::do_fill_plt_entry): Likewise.
 125         (Target_arm::do_adjust_elf_header): Do EF_ARM_BE8 adjustment.
 126
 127 2016-08-17  Cary Coutant  <ccoutant@gmail.com>
 128
 129         * i386.cc (Target_i386): Reset skip_call_tls_get_addr_ after printing
 130         error message.
 131         * testsuite/Makefile.am (pr20216a): Add missing dependencies.
 132         (pr20308a): Add -Bgcctestdir/ to compile rules.
 133         * testsuite/Makefile.in: Regenerate.
 134
 135 2016-08-12  Roland McGrath  <roland@hack.frob.com>
 136
 137         PR gold/20462
 138         * script-sections.cc (Script_sections::release_segments):
 139         Reset this->segments_created_.
 140
 141 2016-08-12  Roland McGrath  <roland@hack.frob.com>
 142
 143         * yyscript.y (HIDDEN): New %token.
 144         (assignment): Handle HIDDEN(string = expr) syntax.
 145         * script.cc (script_keyword_parsecodes): Add HIDDEN.
 146
 147 2016-08-10  Cary Coutant  <ccoutant@gmail.com>
 148
 149         PR gold/20216
 150         * x86_64.cc (Target_x86_64::Relocate::relocate): Add check for
 151         R_X86_64_GOTPCREL. Reset skip_call_tls_get_addr_ after printing
 152         error message.
 153         * testsuite/Makefile.am (pr20216_gd.o): Add -Bgcctestdir/.
 154         (pr20216_ld.o): Likewise.
 155         * testsuite/Makefile.in: Regenerate.
 156
 157 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 158
 159         PR gold/20443
 160         * symtab.cc (Symbol_table::add_from_relobj): Handle NULL symbols,
 161         which will be present for STT_SPARC_REGISTER.
 162         (Symbol_table::add_from_pluginobj): Likewise.
 163         (Symbol_table::add_from_dynobj): Likewise.
 164         (Symbol_table::add_from_incrobj): Removed dead code.
 165
 166 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 167
 168         PR gold/20442
 169         * sparc.cc (Target_sparc::Relocate::relocate): R_SPARC_GOTDATA_OP_LOX10
 170         should fall back on R_SPARC_GOT10, not R_SPARC_GOT13.
 171
 172 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 173
 174         PR gold/20441
 175         * sparc.cc (Target_sparc::Scan::check_non_pic): Allow R_SPARC_32 on
 176         sparc64.
 177
 178 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 179
 180         PR gold/20310
 181         * testsuite/dynamic_list.sh: Remove check for _ZdlPv.
 182
 183 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 184
 185         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add eh_test_2.
 186         * testsuite/Makefile.in: Regenerate.
 187
 188 2016-06-30  Alan Modra  <amodra@gmail.com>
 189
 190         * testsuite/Makefile.am (memory_test, memory_test_2): Pass
 191         -Wl,-z to gcc, not plain -z.
 192         * testsuite/Makefile.in: Regenerate.
 193
 194 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 195
 196         PR gold/20308
 197         * i386.cc (Target_i386::Relocate::relocate): Allow
 198         R_386_GOT32X relocation against ___tls_get_addr.
 199         (Target_i386::Relocate::tls_gd_to_ie): Support indirect
 200         call to __tls_get_addr.
 201         (Target_i386::Relocate::tls_gd_to_le): Likewise.
 202         (Target_i386::Relocate::tls_ld_to_le): Likewise.
 203         * testsuite/Makefile.am (check_PROGRAMS): Add pr20308a_test,
 204         pr20308b_test, pr20308c_test, pr20308d_test, pr20308e_test.
 205         (pr20308a_test_SOURCES): New.
 206         (pr20308a_test_DEPENDENCIES): Likewise.
 207         (pr20308a_test_CFLAGS): Likewise.
 208         (pr20308a_test_LDFLAGS): Likewise.
 209         (pr20308a_test_LDADD): Likewise.
 210         (pr20308b_test_SOURCES): Likewise.
 211         (pr20308b_test_DEPENDENCIES): Likewise.
 212         (pr20308b_test_CFLAGS): Likewise.
 213         (pr20308b_test_LDFLAGS): Likewise.
 214         (pr20308b_test_LDADD): Likewise.
 215         (pr20308c_test_SOURCES): Likewise.
 216         (pr20308c_test_DEPENDENCIES): Likewise.
 217         (pr20308c_test_CFLAGS): Likewise.
 218         (pr20308c_test_LDFLAGS): Likewise.
 219         (pr20308c_test_LDADD): Likewise.
 220         (pr20308d_test_SOURCES): Likewise.
 221         (pr20308d_test_DEPENDENCIES): Likewise.
 222         (pr20308d_test_CFLAGS): Likewise.
 223         (pr20308d_test_LDFLAGS): Likewise.
 224         (pr20308d_test_LDADD): Likewise.
 225         (pr20308e_test_SOURCES): Likewise.
 226         (pr20308e_test_DEPENDENCIES): Likewise.
 227         (pr20308e_test_CFLAGS): Likewise.
 228         (pr20308e_test_LDFLAGS): Likewise.
 229         (pr20308e_test_LDADD): Likewise.
 230         (pr20308a.so): Likewise.
 231         (pr20308b.so): Likewise.
 232         (pr20308_gd.o): Likewise.
 233         (pr20308_ld.o): Likewise.
 234         (MOSTLYCLEANFILES): Add pr20308a.so pr20308b.so.
 235         * testsuite/Makefile.in: Regenerated.
 236         * testsuite/pr20308_def.c: New file.
 237         * testsuite/pr20308_gd.S: Likewise.
 238         * testsuite/pr20308_ld.S: Likewise.
 239         * testsuite/pr20308_main.c: Likewise.
 240
 241 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 242
 243         PR gold/20216
 244         * configure.ac (DEFAULT_TARGET_X86_64_OR_X32): New
 245         AM_CONDITIONAL.
 246         * configure: Regenerated.
 247         * x86_64.cc (Target_x86_64<size>::Relocate::relocate): Allow
 248         R_X86_64_GOTPCRELX relocation against __tls_get_addr.
 249         (Target_x86_64<size>::Relocate::tls_gd_to_ie): Support indirect
 250         call to __tls_get_addr.
 251         (Target_x86_64<size>::Relocate::tls_gd_to_le): Likewise.
 252         (Target_x86_64<size>::Relocate::tls_ld_to_le): Likewise.
 253         * testsuite/Makefile.am (check_PROGRAMS): Add pr20216a_test,
 254         pr20216b_test, pr20216c_test, pr20216d_test, pr20216e_test.
 255         (pr20216a_test_SOURCES): New.
 256         (pr20216a_test_DEPENDENCIES): Likewise.
 257         (pr20216a_test_CFLAGS): Likewise.
 258         (pr20216a_test_LDFLAGS): Likewise.
 259         (pr20216a_test_LDADD): Likewise.
 260         (pr20216b_test_SOURCES): Likewise.
 261         (pr20216b_test_DEPENDENCIES): Likewise.
 262         (pr20216b_test_CFLAGS): Likewise.
 263         (pr20216b_test_LDFLAGS): Likewise.
 264         (pr20216b_test_LDADD): Likewise.
 265         (pr20216c_test_SOURCES): Likewise.
 266         (pr20216c_test_DEPENDENCIES): Likewise.
 267         (pr20216c_test_CFLAGS): Likewise.
 268         (pr20216c_test_LDFLAGS): Likewise.
 269         (pr20216c_test_LDADD): Likewise.
 270         (pr20216d_test_SOURCES): Likewise.
 271         (pr20216d_test_DEPENDENCIES): Likewise.
 272         (pr20216d_test_CFLAGS): Likewise.
 273         (pr20216d_test_LDFLAGS): Likewise.
 274         (pr20216d_test_LDADD): Likewise.
 275         (pr20216e_test_SOURCES): Likewise.
 276         (pr20216e_test_DEPENDENCIES): Likewise.
 277         (pr20216e_test_CFLAGS): Likewise.
 278         (pr20216e_test_LDFLAGS): Likewise.
 279         (pr20216e_test_LDADD): Likewise.
 280         (pr20216a.so): Likewise.
 281         (pr20216b.so): Likewise.
 282         (pr20216_gd.o): Likewise.
 283         (pr20216_ld.o): Likewise.
 284         (MOSTLYCLEANFILES): Add pr20216a.so pr20216b.so.
 285         * testsuite/Makefile.in: Regenerated.
 286         * testsuite/pr20216_def.c: New file.
 287         * testsuite/pr20216_gd.S: Likewise.
 288         * testsuite/pr20216_ld.S: Likewise.
 289         * testsuite/pr20216_main.c: Likewise.
 290
 291 2016-06-29  Alan Modra  <amodra@gmail.com>
 292
 293         * script_test_12.t: Delete .plt, specify 64k page size.
 294         * script_test_12i.t: Likewise.
 295
 296 2016-06-29  Alan Modra  <amodra@gmail.com>
 297
 298         * testsuite/plugin_layout_with_alignment.c: Explicitly align all
 299         variables.
 300
 301 2016-06-29  Alan Modra  <amodra@gmail.com>
 302
 303         * testsuite/Makefile.am (copy_test_protected): Disable for powerpc.
 304         * testsuite/Makefile.in: Regenerate.
 305
 306 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 307
 308         * aarch64-reloc.def (NONE): New relocation.
 309         * aarch64.cc (Target_aarch64::Scan::local): Handle R_AARCH64_NONE.
 310         (Target_aarch64::Scan::global): Likewise.
 311         * testsuite/Makefile.am (aarch64_reloc_none): New test.
 312         * testsuite/Makefile.in: Regenerate.
 313         * testsuite/aarch64_reloc_none.s: New test source file.
 314         * testsuite/aarch64_reloc_none.sh: New test script.
 315
 316 2016-06-28  Sriraman Tallam  <tmsriram@google.com>
 317
 318         * x86_64.cc (Lazy_view): New class.
 319         (can_convert_mov_to_lea): Templatize function.  Make the function
 320         check for appropriate relocation types and use the view parameter
 321         to get section contents.
 322         (can_convert_callq_to_direct): New function.
 323         (Target_x86_64<size>::Scan::global): Refactor.
 324         (Target_x86_64<size>::Relocate::relocate): Refactor. Change any indirect
 325         call via GOT that can be converted.
 326         * testsuite/Makefile.am (x86_64_indirect_call_to_direct.sh): New test.
 327         * testsuite/Makefile.in: Regenerate.
 328         * testsuite/x86_64_indirect_call_to_direct1.s: New file.
 329         * testsuite/x86_64_indirect_jump_to_direct1.s: New file.
 330
 331 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 332
 333         * aarch64.cc (Target_aarch64::Scan::local): Move the call to got_section
 334         from the top level to the places of its use.
 335
 336 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 337
 338         PR gold/18098
 339         * script-c.h (Sort_wildcard): Add SORT_WILDCARD_BY_INIT_PRIORITY.
 340         * script-sections.cc (Input_section_sorter::get_init_priority): New method.
 341         (Input_section_sorter::operator()): Handle SORT_WILDCARD_BY_INIT_PRIORITY.
 342         (Output_section_element_input::print): Likewise.
 343         * script.cc (script_keyword_parsecodes): Add entry SORT_BY_INIT_PRIORITY.
 344         * yyscript.y (SORT_BY_INIT_PRIORITY): New token.
 345         (wildcard_section): Handle SORT_BY_INIT_PRIORITY.
 346
 347         * testsuite/Makefile.am (script_test_14): New test.
 348         * testsuite/Makefile.in: Regenerate.
 349         * testsuite/script_test_14.s: New test source file.
 350         * testsuite/script_test_14.sh: New test script.
 351         * testsuite/script_test_14.t: New test linker script.
 352
 353 2016-06-28  James Clarke  <jrtc27@jrtc27.com>
 354
 355         * sparc.cc (Target_sparc::Scan::local): Don't convert R_SPARC_32
 356         to R_SPARC_RELATIVE if class is ELFCLASS64.
 357         (Target_sparc::Scan::global): Likewise.
 358
 359 2016-06-23  Cary Coutant  <ccoutant@gmail.com>
 360             Igor Kudrin  <ikudrin@accesssoftek.com>
 361
 362         PR gold/15370
 363         * script-sections.cc
 364         (Output_section_element_input::set_section_addresses): Keep bin_count
 365         separate from input_pattern_count.
 366         * testsuite/script_test_12.t: Add another section .x4.
 367         * testsuite/script_test_12i.t: Likewise.
 368         * testsuite/script_test_12a.c: Likewise.
 369         * testsuite/script_test_12b.c: Likewise.
 370
 371 2016-06-23  Igor Kudrin  <ikudrin@accesssoftek.com>
 372
 373         * gold-threads.cc (impl_threads::Lock_impl_threads): Fix typos.
 374
 375 2016-06-22  H.J. Lu  <hongjiu.lu@intel.com>
 376
 377         PR ld/20283
 378         * NEWS: Mention --enable-relro.
 379         * configure.ac: Add --enable-relro.
 380         (DEFAULT_LD_Z_RELRO): New.  Set by --enable-relro and default
 381         to 1.
 382         * config.in: Regenerated.
 383         * configure: Likewise.
 384         * options.h (General_options::relro): Default to
 385         DEFAULT_LD_Z_RELRO.
 386
 387 2016-06-20  Cary Coutant  <ccoutant@gmail.com>
 388
 389         * NEWS: Add new features in 1.12.
 390         * version.cc (version_string): Bump to 1.12.
 391
 392 2016-06-20  H.J. Lu  <hongjiu.lu@intel.com>
 393
 394         PR gold/20245
 395         * i386.cc (Target_i386::first_plt_entry_offset): Return 0 if
 396         plt_ is NULL.
 397         (Target_i386::plt_entry_size): Likewise.
 398         (Target_x86_64<size>::first_plt_entry_offset): Likewise.
 399         (Target_x86_64<size>::plt_entry_size): Likewise.
 400
 401 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 402
 403         * mips.cc (Target_mips::Target_mips): Initialize rld_map_.
 404         (Target_mips::rld_map_): New data member.
 405         (Target_mips::do_finalize_sections): Add support for
 406         DT_MIPS_RLD_MAP and DT_MIPS_RLD_MAP_REL dynamic tags,
 407         .rld_map section, and __RLD_MAP symbol.
 408         (Target_mips::do_dynamic_tag_custom_value): Add support for
 409         DT_MIPS_RLD_MAP_REL dynamic tag.
 410         * output.cc (Output_data_dynamic::get_entry_offset): New method
 411         definition.
 412         * output.h (Output_data_dynamic::get_entry_offset): New method
 413         declaration.
 414
 415 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 416
 417         * mips.cc (Mips_relocate_functions::relpc16): Add unaligned check.
 418
 419 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 420
 421         * mips.cc (relocation_needs_la25_stub): Add support for relocs:
 422         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 423         (hi16_reloc): Add support for R_MIPS_PCHI16 relocation.
 424         (is_matching_lo16_reloc): Likewise.
 425         (lo16_reloc): Add support for R_MIPS_PCLO16 relocation.
 426         (Mips_output_data_plt::plt_entry_r6): New static data member for
 427         R6 PLT entry.
 428         (Target_mips::is_output_r6): New method.
 429         (Target_mips::Mips_mach): Add new enum constants.
 430         (Mips_relocate_functions::Status): Likewise.
 431         (Mips_relocate_functions::pchi16_relocs): New static data member.
 432         (Mips_relocate_functions::relpc21): New method.
 433         (Mips_relocate_functions::relpc26): Likewise.
 434         (Mips_relocate_functions::relpc18): Likewise.
 435         (Mips_relocate_functions::relpc19): Likewise.
 436         (Mips_relocate_functions::relpchi16): Likewise.
 437         (Mips_relocate_functions::do_relpchi16): Likewise.
 438         (Mips_relocate_functions::relpclo16): Likewise.
 439         (Mips_output_data_plt::do_write): Add support for Mips r6 plt
 440         entry.
 441         (Target_mips::mips_32bit_flags): Add E_MIPS_ARCH_32R6 support.
 442         (Target_mips::elf_mips_mach): Add E_MIPS_ARCH_32R6 and
 443         E_MIPS_ARCH_64R6 support.
 444         (Target_mips::update_abiflags_isa): Likewise.
 445         (mips_get_size_for_reloc): Add support for relocs: R_MIPS_PCHI16,
 446         R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3 and
 447         R_MIPS_PC19_S2.
 448         (Target_mips::Scan::local): Add support for relocs: R_MIPS_PCHI16
 449         and R_MIPS_PCLO16.
 450         (Target_mips::Scan::global): Add support for relocs:
 451         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 452         (Target_mips::Relocate::relocate): Call functions for resolving
 453         Mips32r6 and Mips64r6 relocations, and print error message for
 454         STATUS_PCREL_UNALIGNED.
 455         (Target_mips::Scan::get_reference_flags): Add support for relocs:
 456         R_MIPS_PCHI16, R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2,
 457         R_MIPS_PC18_S3 and R_MIPS_PC19_S2.
 458         (Target_mips::elf_mips_mach_name): Add E_MIPS_ARCH_32R6 and
 459         E_MIPS_ARCH_64R6 support.
 460
 461 2016-06-13  H.J. Lu  <hongjiu.lu@intel.com>
 462
 463         PR gold/20246
 464         * testsuite/script_test_2.t: Add .got.plt after .got.
 465
 466 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 467
 468         * mips.cc (struct Mips_abiflags): New struct.
 469         (Mips_relobj::Mips_relobj): Initialize attributes_section_data_
 470         and abiflags_.
 471         (Mips_relobj::~Mips_relobj): Delete object pointed by
 472         attributes_section_data_.
 473         (Mips_relobj::abiflags): New method.
 474         (Mips_relobj::attributes_section_data): Likewise.
 475         (Mips_relobj::attributes_section_data_): New data member.
 476         (Mips_relobj::abiflags_): Likewise.
 477         (class Mips_output_section_abiflags): New class.
 478         (Target_mips::Target_mips): Initialize attributes_section_data_,
 479         abiflags_ and has_abiflags_section_.
 480         (Target_mips::do_should_include_section): Don't emit input
 481         .MIPS.abiflags sections to output .MIPS.abiflags.
 482         (Target_mips::Mips_mach): Add new enum constants.
 483         (Target_mips::mips_isa_ext_mach): New method.
 484         (Target_mips::mips_isa_ext): Likewise.
 485         (Target_mips::update_abiflags_isa): Likewise.
 486         (Target_mips::infer_abiflags): Likewise.
 487         (Target_mips::create_abiflags): Likewise.
 488         (Target_mips::fp_abi_string): Likewise.
 489         (Target_mips::select_fp_abi): Likewise.
 490         (Target_mips::merge_obj_attributes): Likewise.
 491         (Target_mips::merge_obj_abiflags): Likewise.
 492         (Target_mips::level_rev): Likewise.
 493         (Target_mips::merge_obj_e_flags): Rename from
 494         merge_processor_specific_flags. Remove dyn_obj argument,
 495         call update_abiflags_isa when needed, compare NaN encodings and
 496         compare FP64 state.
 497         (Target_mips::add_machine_extensions): Add two machine extensions
 498         and fix one.
 499         (Target_mips::attributes_section_data_): New data member.
 500         (Target_mips::abiflags_): Likewise.
 501         (Target_mips::has_abiflags_section_): Likewise.
 502         (Mips_relobj::do_read_symbols): Read .gnu.attributes and
 503         .MIPS.abiflags sections if they exists.
 504         (Target_mips::elf_mips_mach): Add E_MIPS_MACH_5900 and
 505         E_MIPS_MACH_OCTEON3 support.
 506         (Target_mips::do_adjust_elf_header): Setup EI_ABIVERSION flag.
 507         (Target_mips::do_finalize_sections): Merge .gnu.attributes and
 508         .MIPS.abiflags sections from input. Create these sections if
 509         needed.
 510         (Target_mips::elf_mips_mach_name): Add E_MIPS_MACH_5900 and
 511         E_MIPS_MACH_OCTEON3 support, and change strings for
 512         E_MIPS_MACH_LS2E, E_MIPS_MACH_LS2F and E_MIPS_MACH_LS3A just
 513         to match bfd.
 514
 515 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 516
 517         * mips.cc (Mips_relobj::Mips_relobj): Initialize
 518         has_reginfo_section_.
 519         (Mips_relobj::has_reginfo_section_): New data member.
 520         (Mips_relobj::has_reginfo_section): New method.
 521         (class Mips_output_section_reginfo): Change base class to
 522         Output_section_data, and set masks of the output .reginfo section
 523         in constructor.
 524         (Mips_output_section_reginfo::as_mips_output_section_reginfo):
 525         Remove.
 526         (Mips_output_section_reginfo::set_masks): Likewise.
 527         (Mips_output_section_reginfo::set_final_data_size): Likewise.
 528         (Mips_output_section_reginfo::do_print_to_mapfile): New method.
 529         (Target_mips::do_make_output_section): Remove.
 530         (Mips_relobj::do_read_symbols): Set has_reginfo_section_ to true
 531         if the object contains a .reginfo section.
 532         (Target_mips::do_finalize_sections): Create a .reginfo output
 533         section if needed.
 534
 535 2016-06-09  Artemiy Volkov  <artemiyv@acm.org>
 536
 537         * mips.cc (Mips_output_data_got::do_write): Add missing template
 538         args via typedef.
 539
 540 2016-05-30  Marcin Kościelnicki  <koriakin@0x04.net>
 541
 542         PR/19960
 543         * s390.cc (Target_s390::ss_code_st_r14): Removed.
 544         (Target_s390::ss_code_l_r14): Removed.
 545         (Target_s390::ss_code_ear): Removed.
 546         (Target_s390::ss_code_c): Removed.
 547         (Target_s390::ss_match_st_r14): New function.
 548         (Target_s390::ss_match_l_r14): New function.
 549         (Target_s390::ss_match_mcount): Call ss_match_{l,st}_r14 instead
 550         of matching code directly.
 551         (Target_s390::ss_match_ear): New function.
 552         (Target_s390::ss_match_c): New function.
 553         (Target_s390::do_calls_non_split): Call ss_match_{ear,c} instead
 554         of matching code directly.
 555
 556 2016-05-19  Cary Coutant  <ccoutant@gmail.com>
 557
 558         PR gold/19823
 559         * copy-relocs.cc (Copy_relocs::make_copy_reloc): Add object
 560         parameter; check for protected symbol.
 561         * copy-relocs.h (Copy_relocs::make_copy_reloc): Add object parameter.
 562         * mips.cc (Mips_copy_relocs): Adjust call to make_copy_reloc.
 563         * symtab.cc (Symbol::init_fields): Initialize is_protected_.
 564         (Symbol_table::add_from_dynobj): Mark protected symbols.
 565         * symtab.h (Symbol::is_protected): New method.
 566         (Symbol::set_is_protected): New method.
 567         (Symbol::is_protected_): New data member.
 568
 569         * testsuite/Makefile.am (copy_test_protected): New test.
 570         * testsuite/Makefile.in: Regenerate.
 571         * testsuite/copy_test.cc (main): Add legal reference to protected
 572         symbol.
 573         * testsuite/copy_test_v1.cc (main): Likewise.
 574         * testsuite/copy_test_2.cc (ip): Add protected symbol.
 575         * testsuite/copy_test_protected.cc: New test source file.
 576         * testsuite/copy_test_protected.sh: New test script.
 577
 578 2016-05-19  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 579
 580         * mips.cc (Mips_got_entry::Mips_got_entry): Remove object argument
 581         for global got symbols, and set addend to 0.
 582         (Mips_got_entry::hash): Change hash algorithm.
 583         (Mips_got_entry::equals): Refactor.
 584         (Mips_got_entry::object): Return input object for local got symbols
 585         from union d.
 586         (Mips_got_entry::addend): Change return of the relocation addend.
 587         (Mips_got_entry::addend_): Move from union d.
 588         (Mips_got_entry::object_): Move into union d.
 589         (class Mips_symbol_hash): New class.
 590         (Mips_got_info::Global_got_entry_set): New type.
 591         (Mips_got_info::global_got_symbols): Change return type to
 592         Global_got_entry_set.
 593         (Mips_got_info::global_got_symbols_): Change type to
 594         Global_got_entry_set.
 595         (Mips_symbol::hash): New method.
 596         (Mips_output_data_la25_stub::symbols_): Change type to std::vector.
 597         (Mips_output_data_mips_stubs::Mips_stubs_entry_set): New type.
 598         (Mips_output_data_mips_stubs::symbols_): Change type to
 599         Mips_stubs_entry_set.
 600         (Mips_got_info::record_global_got_symbol): Don't pass object
 601         argument when creating global got symbol.
 602         (Mips_got_info::record_got_entry): Remove find before inserting
 603         got entries.
 604         (Mips_got_info::add_reloc_only_entries): Change type of iterator
 605         to Global_got_entry_set.
 606         (Mips_got_info::count_got_symbols): Likewise.
 607         (Mips_output_data_la25_stub::create_la25_stub): Use push_back
 608         for adding entries to symbols_.
 609         (Mips_output_data_la25_stub::do_write): Change type of iterator
 610         to std::vector.
 611         (Mips_output_data_mips_stubs::set_lazy_stub_offsets): Change type
 612         of iterator to Mips_stubs_entry_set.
 613         (Mips_output_data_mips_stubs::set_needs_dynsym_value): Likewise.
 614         (Mips_output_data_mips_stubs::do_write): Likewise.
 615
 616 2016-05-06  Han Shen  <shenhan@google.com>
 617
 618         PR gold/19987.
 619
 620         * aarch64-reloc.def: New relocation type.
 621         * aarch64.cc (AArch64_relocate_functions::Page): Changed to public.
 622         (Target_aarch64::Scan::local): Add R_AARCH64_LD64_GOTPAGE_LO15.
 623         (Target_aarch64::Scan::global): Add R_AARCH64_LD64_GOTPAGE_LO15.
 624         (Target_aarch64::Relocate::relocate): Implement R_AARCH64_LD64_GOTPAGE_LO15.
 625
 626 2016-04-28  Nick Clifton  <nickc@redhat.com>
 627
 628         * po/zh_CN.po: Updated Chinese (simplified) translation.
 629
 630 2016-04-15  H.J. Lu  <hongjiu.lu@intel.com>
 631
 632         * Makefile.in: Regenerated with automake 1.11.6.
 633         * aclocal.m4: Likewise.
 634         * testsuite/Makefile.in: Likewise.
 635
 636 2016-03-30  Cary Coutant  <ccoutant@gmail.com>
 637
 638         PR gold/16979
 639         * symtab.cc (Symbol_table::define_default_version): Check for case
 640         where symbols are both in different shared objects.
 641
 642 2016-03-27  Cary Coutant  <ccoutant@gmail.com>
 643
 644         PR gold/16111
 645         * i386.cc (Target_i386): Add check for fully-resolved symbol for
 646         R_386_GOTOFF.
 647
 648 2016-03-22  Nick Clifton  <nickc@redhat.com>
 649
 650         * configure: Regenerate.
 651
 652 2016-03-21  Cary Coutant  <ccoutant@gmail.com>
 653
 654         PR gold/19842
 655         * errors.cc (Errors::undefined_symbol): Add info message when
 656         symbol should have been provided by a plugin.
 657         * target-reloc.h (issue_undefined_symbol_error): Check for
 658         placeholder symbols defined in discarded sections.
 659         * testsuite/Makefile.am (plugin_test_9b): New test case.
 660         * testsuite/Makefile.in: Regenerate.
 661         * testsuite/plugin_test_9b_elf.cc: New test source file.
 662         * testsuite/plugin_test_9b_ir.cc: New test source file.
 663
 664 2016-03-20  Cary Coutant  <ccoutant@gmail.com>
 665
 666         PR gold/19002
 667         * ehframe.cc (Eh_frame::read_fde): Check for dropped functions.
 668         * testsuite/Makefile.am (eh_test_2): New test.
 669         * testsuite/Makefile.in: Regenerate.
 670         * testsuite/eh_test_2.sh: New test script.
 671         * testsuite/eh_test_a.cc (bar): Make it comdat.
 672         * testsuite/eh_test_b.cc (bar): Add a duplicate copy.
 673
 674 2016-03-18  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 675
 676         * mips.cc (Mips_relobj::is_n64_): Remove.
 677         (Target_mips::ei_class_): Likewise.
 678         (Mips_relobj::is_newabi): Call methods.
 679         (Mips_relobj::is_n64): Change checking for N64 ABI.
 680         (Target_mips::is_output_n64): Likewise.
 681         (Target_mips::merge_processor_specific_flags): Remove ei_class
 682         argument, and remove comparing ei_class.
 683         (Target_mips::do_adjust_elf_header): Remove setting EI_CLASS field
 684         of the ELF header.
 685         (Target_mips::do_finalize_sections): Don't pass ei_class argument
 686         to merge_processor_specific_flags.
 687         (Target_mips::elf_mips_abi_name): Remove ei_class argument, and
 688         change checking for N64 ABI.
 689
 690 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 691
 692         * mips.cc (enum Special_relocation_symbol): New enum type.
 693         (is_readonly_section): New function.
 694         (eh_reloc): Likewise.
 695         (Mips_got_entry::is_section_symbol_): New member.
 696         (Mips_got_entry::is_section_symbol): New method.
 697         (Mips_got_info::record_local_got_symbol): Add is_section_symbol
 698         argument.
 699         (Mips_relobj::mips_elf_options_section_name): New method.
 700         (Mips_output_data_got::record_local_got_symbol): Add
 701         is_section_symbol argument, and pass it to
 702         Mips_got_info::record_local_got_symbol.
 703         (Mips_output_data_got::got_offset): Add addend argument, and pass
 704         it to Relobj::local_got_offset.
 705         (struct Mips_output_reloc_writer): New type.
 706         (class Mips_output_data_reloc): New class.
 707         (Mips_output_data_plt::Reloc_section): Change type to
 708         Mips_output_data_reloc.
 709         (Target_mips::Reloc_section): Likewise.
 710         (Mips_reloc_types::get_r_addend): Remove unsigned from return type.
 711         (Mips_classify_reloc::get_r_type2): New method.
 712         (Mips_classify_reloc::get_r_type3): Likewise.
 713         (Mips_classify_reloc::get_r_ssym): Likewise.
 714         (Target_mips::Reloca_section): Remove.
 715         (Relocate::should_apply_static_reloc): Rename from
 716         should_apply_r_mips_32_reloc.
 717         (Target_mips::copy_reloc): Replace Reltype parameter with r_type
 718         and r_offset.
 719         (Mips_relocate_functions::Valtype): New type.
 720         (Mips_relocate_functions::Valtype64): New type.
 721         (Mips_relocate_functions::check_overflow): New method.
 722         (Mips_relocate_functions::mips_reloc_unshuffle): Move to public
 723         interface.
 724         (Mips_relocate_functions::mips_reloc_shuffle): Likewise.
 725         (Mips_relocate_functions::rel16): Add support for resolving
 726         relocations for Mips64.
 727         (Mips_relocate_functions::rel32): Likewise.
 728         (Mips_relocate_functions::reljalr): Likewise.
 729         (Mips_relocate_functions::relpc32): Likewise.
 730         (Mips_relocate_functions::rel26): Likewise.
 731         (Mips_relocate_functions::relpc16): Likewise.
 732         (Mips_relocate_functions::relmicromips_pc7_s1): Likewise.
 733         (Mips_relocate_functions::relmicromips_pc10_s1): Likewise.
 734         (Mips_relocate_functions::relmicromips_pc16_s1): Likewise.
 735         (Mips_relocate_functions::do_relhi16): Likewise.
 736         (Mips_relocate_functions::do_relgot16_local): Likewise.
 737         (Mips_relocate_functions::rello16): Likewise.
 738         (Mips_relocate_functions::relgot): Likewise.
 739         (Mips_relocate_functions::relgotpage): Likewise.
 740         (Mips_relocate_functions::relgotofst): Likewise.
 741         (Mips_relocate_functions::relgot_hi16): Likewise.
 742         (Mips_relocate_functions::relgot_lo16): Likewise.
 743         (Mips_relocate_functions::relgprel): Likewise.
 744         (Mips_relocate_functions::relgprel32): Likewise.
 745         (Mips_relocate_functions::tlsrelhi16): Likewise.
 746         (Mips_relocate_functions::tlsrello16): Likewise.
 747         (Mips_relocate_functions::tlsrel32): Likewise.
 748         (Mips_relocate_functions::relsub): Likewise.
 749         (Mips_relocate_functions::releh): New method.
 750         (Mips_relocate_functions::rel64): Likewise.
 751         (Mips_got_info::record_local_got_symbol): Add is_section_symbol and
 752         pass it to Mips_got_entry.
 753         (Mips_got_info::add_local_entries): Pass addend argument
 754         to code functions, and for STT_SECTION symbols call
 755         add_symbolless_local_addend.
 756         (Mips_got_info::add_tls_entries): Pass addend argument to code
 757         functions.
 758         (Mips_relobj::do_read_symbols): Read gp value that was used to
 759         create object.
 760         (Mips_output_data_plt::plt_entry): Remove opcode from l[wd]
 761         instruction. Opcode for instruction will be selected later.
 762         (Target_mips::gc_process_relocs): Add case for SHT_RELA.
 763         (Target_mips::scan_relocatable_relocs): Likewise.
 764         (Target_mips::emit_relocs_scan): Likewise.
 765         (Target_mips::relocate_relocs): Likewise.
 766         (Target_mips::do_finalize_sections): Skip objects for merging
 767         processor specific flags in which all input sections will be
 768         discarded.
 769         (mips_get_size_for_reloc): Add case for R_MIPS_EH.
 770         (Target_mips::Scan::get_reference_flags): Likewise.
 771         (Target_mips::relocate_special_relocatable): Call rel26 method with
 772         calculate_only and calculated_value arguments.
 773         (Target_mips::Scan::local): Add case for R_MIPS_EH. Don't create a
 774         dynamic relocation against a readonly sections, and pass
 775         is_section_symbol to Mips_got_info::record_local_got_symbol.
 776         (Target_mips::Scan::global): Add case for R_MIPS_EH. Don't create a
 777         dynamic relocation against a readonly sections, and pass r_type
 778         and r_offset to Target_mips::copy_reloc.
 779         (Target_mips::Relocate::relocate): Add support for resolving
 780         relocations for Mips64.
 781         (Target_mips::mips_info): Add case for Mips64 default dynamic
 782         linker name.
 783         (Target_selector_mips): Correct emulation names.
 784
 785 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 786
 787         * mips.cc (class Mips_output_data_la25_stub): Add
 788         do_print_to_mapfile function.
 789
 790 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 791
 792         * mips.cc (Mips_classify_reloc::put_r_info): Call 32bit version of
 793         elf_r_info.
 794
 795 2016-03-09  H.J. Lu  <hongjiu.lu@intel.com>
 796
 797         * testsuite/plugin_layout_with_alignment.cc: Renamed to ..
 798         * testsuite/plugin_layout_with_alignment.c: This.
 799         * testsuite/Makefile.am (plugin_layout_with_alignment.o): Updated.
 800         (plugin_layout_with_alignment): Likewise.
 801         * testsuite/Makefile.in: Regenerated.
 802
 803 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 804
 805         PR 19751
 806         * testsuite/Makefile.am (retain_symbols_file_test): Remove check
 807         for constructor.
 808         * testsuite/Makefile.in: Regenerate.
 809         * testsuite/dynamic_list.sh: Likewise.
 810         * testsuite/retain_symbols_file_test.sh: Likewise.
 811
 812 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 813
 814         PR 19751
 815         * arm.cc (Reloc_stub::Key::name): Add unused attribute.
 816         * dirsearch.cc (Dir_caches::~Dir_caches): Likewise.
 817
 818 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 819             Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 820
 821         * output.cc (Output_reloc_writer): New type.
 822         (Output_data_reloc_base::do_write): Move implementation to template
 823         in output.h and replace with invocation of template.
 824         * output.h (Output_file): Move to top of file.
 825         (Output_reloc::get_symbol_index): Move to public interface.
 826         (Output_reloc::get_address): Likewise.
 827         (Output_data_reloc_base::do_write_generic): New function template.
 828
 829 2016-03-04  Cary Coutant  <ccoutant@gmail.com>
 830
 831         PR gold/19019
 832         PR gold/19763
 833         * symtab.cc: Instantiate Sized_symbol::init_constant and
 834         Sized_symbol::init_undefined.
 835
 836 2016-03-03  Cary Coutant  <ccoutant@gmail.com>
 837
 838         PR gold/19019
 839         * layout.h (Layout::add_target_specific_dynamic_tag): New function.
 840         * layout.cc (Layout::add_target_specific_dynamic_tag): New function.
 841         * mips.cc (Target_mips::make_symbol): Adjust function signature.
 842         * sparc.cc (Target_sparc::Target_sparc): Initialize register_syms_.
 843         (Target_sparc::do_is_defined_by_abi): Remove test for
 844         STT_SPARC_REGISTER.
 845         (Target_sparc::Register_symbol): New struct type.
 846         (Target_sparc::register_syms_): New data member.
 847         (Target_sparc<64, true>::sparc_info): Set has_make_symbol to true.
 848         (Target_sparc::make_symbol): New function.
 849         (Target_sparc::do_finalize_sections): Add register symbols and new
 850         dynamic table entries.
 851         * symtab.h (Sized_symbol::init_undefined): Add value parameter.
 852         (Symbol_table::add_target_global_symbol): New function.
 853         (Symbol_table::target_symbols_): New data member.
 854         * symtab.cc (Sized_symbol::init_undefined): Add value parameter.
 855         (Symbol_table::Symbol_table): Initialize target_symbols_.
 856         (Symbol_table::add_from_object): Pass additional parameters to
 857         Target::make_symbol.
 858         (Symbol_table::define_special_symbol): Likewise.
 859         (Symbol_table::add_undefined_symbol_from_command_line): Pass 0 for
 860         undefined symbol value.
 861         (Symbol_table::set_dynsym_indexes): Process target-specific symbols.
 862         (Symbol_table::sized_finalize): Likewise.
 863         (Symbol_table::sized_write_globals): Likewise.
 864         * target.h (Sized_target::make_symbol): Add name, st_type, object,
 865         st_shndx, and value parameters.
 866
 867 2016-03-03  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
 868
 869         * plugin.cc (do_should_include_member): Ignore LDPK_UNDEF and
 870         LDPK_WEAKUNDEF symbols.
 871
 872 2016-03-03  Than McIntosh  <thanm@google.com>
 873
 874         * plugin.cc (Plugin::load): Include hooks for get_input_section_size
 875         and get_input_section_alignment in transfer vector.
 876         (get_input_section_alignment): New function.
 877         (get_input_section_size): New function.
 878         * testsuite/Makefile.am: Add plugin_layout_with_alignment.sh test.
 879         * testsuite/Makefile.in: [Regenerate.]
 880         * testsuite/plugin_section_alignment.cc: New test file.
 881         * testsuite/plugin_layout_with_alignment.cc: New test file.
 882         * testsuite/plugin_layout_with_alignment.sh: New test file.
 883
 884 2016-03-03  Evgenii Stepanov  <eugenis@google.com>
 885
 886         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 887         parameter.
 888         * plugin.cc (get_symbols_v3): New function.
 889         (Plugin::load): Add LDPT_GET_SYMBOLS_V3.
 890         (Pluginobj::get_symbol_resolution_info): Return LDPS_NO_SYMS when using
 891         new version.
 892
 893 2016-02-26  Egor Kochetov  <egor.kochetov@intel.com>
 894             Cary Coutant  <ccoutant@gmail.com>
 895
 896         PR gold/19735
 897         * ehframe.h (Cie::fde_encoding): New method.
 898         * ehframe.cc (Eh_frame::read_fde): Discard FDEs for zero-length
 899         address ranges.
 900
 901 2016-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 902
 903         * testsuite/Makefile.am (x86_64_mov_to_lea5.o): Pass
 904         -mrelax-relocations=yes to $(TEST_AS).
 905         (x86_64_mov_to_lea6.o): Likewise.
 906         (x86_64_overflow_pc32.o): Remove duplicated target.
 907         * testsuite/Makefile.in: Regenerated.
 908
 909 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
 910
 911         * s390.cc (Target_s390::match_view_u): New helper method.
 912         (Target_s390::do_is_call_to_non_split): New method.
 913         (Target_s390::ss_code_st_r14): New const.
 914         (Target_s390::ss_code_l_r14): New const.
 915         (Target_s390::ss_code_bras_8): New const.
 916         (Target_s390::ss_code_l_basr): New const.
 917         (Target_s390::ss_code_a_basr): New const.
 918         (Target_s390::ss_code_ear): New const.
 919         (Target_s390::ss_code_c): New const.
 920         (Target_s390::ss_code_larl): New const.
 921         (Target_s390::ss_code_brasl): New const.
 922         (Target_s390::ss_code_jg): New const.
 923         (Target_s390::ss_code_jgl): New const.
 924         (Target_s390::ss_match_mcount): New helper method.
 925         (Target_s390::ss_match_l): New helper method.
 926         (Target_s390::ss_match_ahi): New helper method.
 927         (Target_s390::ss_match_alfi): New helper method.
 928         (Target_s390::ss_match_cr): New helper method.
 929         (Target_s390::do_calls_non_split): New method.
 930         * testsuite/Makefile.am: Added new tests.
 931         * testsuite/Makefile.in: Regenerate.
 932         * testsuite/split_s390.sh: New test.
 933         * testsuite/split_s390_1_a1.s: New test.
 934         * testsuite/split_s390_1_a2.s: New test.
 935         * testsuite/split_s390_1_n1.s: New test.
 936         * testsuite/split_s390_1_n2.s: New test.
 937         * testsuite/split_s390_1_z1.s: New test.
 938         * testsuite/split_s390_1_z2.s: New test.
 939         * testsuite/split_s390_1_z3.s: New test.
 940         * testsuite/split_s390_1_z4.s: New test.
 941         * testsuite/split_s390_2_ns.s: New test.
 942         * testsuite/split_s390_2_s.s: New test.
 943         * testsuite/split_s390x_1_a1.s: New test.
 944         * testsuite/split_s390x_1_a2.s: New test.
 945         * testsuite/split_s390x_1_n1.s: New test.
 946         * testsuite/split_s390x_1_n2.s: New test.
 947         * testsuite/split_s390x_1_z1.s: New test.
 948         * testsuite/split_s390x_1_z2.s: New test.
 949         * testsuite/split_s390x_1_z3.s: New test.
 950         * testsuite/split_s390x_1_z4.s: New test.
 951         * testsuite/split_s390x_2_ns.s: New test.
 952         * testsuite/split_s390x_2_s.s: New test.
 953
 954 2016-02-11 Rahul Chaudhry  <rahulchaudhry@google.com>
 955
 956         * aarch64.cc (Target_aarch64::scan_erratum_843419_span): Remove
 957         info message for every erratum 843419 found and fixed.
 958
 959 2016-02-07  Cary Coutant  <ccoutant@gmail.com>
 960
 961         PR gold/18695
 962         * x86_64.cc (Target_x86_64::Relocate::relocate): Add additional
 963         information to relocation overflow errors.
 964
 965 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 966
 967         PR gold/18695
 968         * x86_64.cc (X86_64_relocate_functions::pcrela32_check): Fix x32
 969         overflow checking when symbol value + addend < 0.
 970
 971 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 972
 973         PR gold/19577
 974         * reloc.h (Limits): New class.
 975         (Bits::has_overflow32): Use min/max values from Limits.
 976         (Bits::has_unsigned_overflow32): Likewise.
 977         (Bits::has_signed_unsigned_overflow32): Likewise.
 978         (Bits::has_overflow): Likewise.
 979         (Bits::has_unsigned_overflow): Likewise.
 980         (Bits::has_signed_unsigned_overflow64): Likewise.
 981
 982 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 983
 984         PR gold/19567
 985         * reloc.h (Relocate_functions::Overflow_check): Add comments.
 986         * x86_64.cc (X86_64_relocate_functions): New class.
 987         (Target_x86_64::Relocate::relocate): Use the new class.
 988         * testsuite/Makefile.am (x86_64_overflow_pc32): Add -Tdata option.
 989         (x32_overflow_pc32): New test case.
 990         * testsuite/Makefile.in: Regenerate.
 991         * testsuite/x32_overflow_pc32.sh: New script.
 992         * testsuite/x86_64_overflow_pc32.s: Remove .space directive.
 993
 994 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 995
 996         PR gold/19577
 997         * reloc.h (Bits::has_unsigned_overflow32): Fix static_cast.
 998         (Bits::has_unsigned_overflow): Remove unnecessary static_cast.
 999
1000 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
1001
1002         PR gold/19577
1003         * reloc.h (Bits::has_unsigned_overflow32): Fix unsigned/signed
1004         comparison.
1005         (Bits::has_unsigned_overflow): Likewise.
1006
1007 2016-02-06  Marcin Kościelnicki  <koriakin@0x04.net>
1008
1009         * i386.cc (Target_i386::is_call_to_non_split): Add view and view_size
1010         parameters.
1011         * reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Pass view
1012         and view_size to is_call_to_non_split.
1013         * target.cc (Target::is_call_to_non_split): Add view and view_size
1014         parameters.
1015         * target.h (class Target): Likewise.
1016
1017 2016-02-05  Sriraman Tallam  <tmsriram@google.com>
1018
1019         * icf.cc (get_rel_addend): New function.
1020         (get_section_contents):  Move merge section addend computation to a
1021         new function.  Ignore negative values for SHT_REL and SHT_RELA addends.
1022         Fix bug to not read past the length of the section.
1023
1024 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
1025             Andrew Senkevich  <andrew.senkevich@intel.com>
1026
1027         PR gold/18695
1028         * x86_64.cc (Target_x86_64::Relocate::relocate): Add overflow
1029         checking for R_X86_64_32, R_X86_64_32S, R_X86_64_PC32, and
1030         R_X86_64_PLT32.
1031         * testsuite/Makefile.am (x86_64_overflow_pc32): New test.
1032         * testsuite/x86_64_overflow_pc32.sh: New test script.
1033         * testsuite/x86_64_overflow_pc32.s: New source file.
1034
1035 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
1036
1037         PR gold/18695
1038         * reloc.h (Relocate_functions::Address): New typedef.
1039         (Relocate_functions::Addendtype): New typedef.
1040         (Relocate_functions::Overflow_check): New enum type.
1041         (Relocate_functions::Reloc_status): New enum type.
1042         (Relocate_functions::check_overflow): New function template.
1043         (Relocate_functions::rel): Add check parameter; check for overflow.
1044         (Relocate_functions::rel_unaligned): Likewise.
1045         (Relocate_functions::rela): Likewise.
1046         (Relocate_functions::pcrel): Likewise.
1047         (Relocate_functions::pcrel_unaligned): Likewise.
1048         (Relocate_functions::pcrela): Likewise.
1049         (Relocate_functions::rel8): Adjust parameter types.
1050         (Relocate_functions::rela8): Likewise.
1051         (Relocate_functions::pcrel8): Likewise.
1052         (Relocate_functions::pcrela8): Likewise.
1053         (Relocate_functions::rel16): Likewise.
1054         (Relocate_functions::rela168): Likewise.
1055         (Relocate_functions::pcrel16): Likewise.
1056         (Relocate_functions::pcrela16): Likewise.
1057         (Relocate_functions::rel32): Likewise.
1058         (Relocate_functions::rel32_unaligned): Likewise.
1059         (Relocate_functions::rela32): Likewise.
1060         (Relocate_functions::pcrel32): Likewise.
1061         (Relocate_functions::pcrel32_unaligned): Likewise.
1062         (Relocate_functions::pcrela32): Likewise.
1063         (Relocate_functions::rel8_check): New function.
1064         (Relocate_functions::rela8_check): New function.
1065         (Relocate_functions::pcrel8_check): New function.
1066         (Relocate_functions::pcrela8_check): New function.
1067         (Relocate_functions::rel16_check): New function.
1068         (Relocate_functions::rela168_check): New function.
1069         (Relocate_functions::pcrel16_check): New function.
1070         (Relocate_functions::pcrela16_check): New function.
1071         (Relocate_functions::rel32_check): New function.
1072         (Relocate_functions::rel32_unaligned_check): New function.
1073         (Relocate_functions::rela32_check): New function.
1074         (Relocate_functions::pcrel32_check): New function.
1075         (Relocate_functions::pcrel32_unaligned_check): New function.
1076         (Relocate_functions::pcrela32_check): New function.
1077         (Bits::has_unsigned_overflow32): New function.
1078         (Bits::has_unsigned_overflow): New function.
1079         * testsuite/Makefile.am (overflow_unittest): New test.
1080         * testsuite/Makefile.in: Regenerate.
1081         * testsuite/overflow_unittest.cc: New source file.
1082
1083 2016-02-04  Alan Modra  <amodra@gmail.com>
1084
1085         * powerpc.cc (relocate): Adjust last patch for big-endian.
1086
1087 2016-02-02  Alan Modra  <amodra@gmail.com>
1088
1089         * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
1090
1091 2016-01-15 Han Shen  <shenhan@google.com>
1092
1093         PR gold/19472 - need pc-relative stubs.
1094
1095         * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
1096         stub type for DSOs and pie executables.
1097
1098 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
1099
1100         * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove
1101         'typename'.
1102
1103 2016-01-12  Cary Coutant  <ccoutant@gmail.com>
1104
1105         * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method.
1106         * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method.
1107         * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both
1108         specializations) New method.
1109
1110 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1111
1112         PR gold/19353
1113         * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
1114         we have a TLS segment for GD-to-IE optimization.
1115         * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
1116         Adjust all calls.
1117         (Target_i386::tls_desc_gd_to_ie): Likewise.
1118         (Target_i386::relocate_tls): Don't insist that we have a TLS segment
1119         for TLSDESC GD-to-IE optimizations.
1120         * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
1121         Adjust all calls.
1122         (Target_x86_64::tls_desc_gd_to_ie): Likewise.
1123         (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
1124         for TLSDESC GD-to-IE optimizations.
1125
1126 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1127
1128         Refactor gold to enable support for MIPS-64 relocation format.
1129
1130         * gc.h (get_embedded_addend_size): Remove sh_type parameter.
1131         (gc_process_relocs): Remove sh_type template parameter.
1132         Use Classify_reloc to access r_sym, r_type, and r_addend fields.
1133         * object.h (Sized_relobj_file::split_stack_adjust): Add target
1134         parameter.
1135         (Sized_relobj_file::split_stack_adjust_reltype): Likewise.
1136         * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA
1137         specializations) Remove.
1138         * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h.
1139         (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan().
1140         (Sized_relobj_file::emit_relocs_scan_reltype): Remove.
1141         (Sized_relobj_file::split_stack_adjust): Add target parameter.
1142         Adjust all callers.
1143         (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call
1144         Target::get_r_sym() to get r_sym field from relocations.
1145         (Track_relocs::next_symndx): Call Target::get_r_sym().
1146         * target-reloc.h (scan_relocs): Remove sh_type template parameter;
1147         add Classify_reloc template parameter.  Use for accessing r_sym and
1148         r_type.
1149         (relocate_section): Likewise.
1150         (Default_classify_reloc): New class (renamed and moved from reloc.cc).
1151         (Default_scan_relocatable_relocs): Remove sh_type template parameter.
1152         (Default_scan_relocatable_relocs::Reltype): New typedef.
1153         (Default_scan_relocatable_relocs::reloc_size): New const.
1154         (Default_scan_relocatable_relocs::sh_type): New const.
1155         (Default_scan_relocatable_relocs::get_r_sym): New method.
1156         (Default_scan_relocatable_relocs::get_r_type): New method.
1157         (Default_emit_relocs_strategy): New class.
1158         (scan_relocatable_relocs): Replace sh_type template parameter with
1159         Scan_relocatable_relocs class.  Use it to access r_sym and r_type
1160         fields.
1161         (relocate_relocs): Replace sh_type template parameter with
1162         Classify_reloc class.  Use it to access r_sym and r_type fields.
1163         * target.h (Target::is_call_to_non_split): Replace r_type parameter
1164         with pointer to relocation. Adjust all callers.
1165         (Target::do_is_call_to_non_split): Likewise.
1166         (Target::emit_relocs_scan): New virtual method.
1167         (Sized_target::get_r_sym): New virtual method.
1168         * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter
1169         with pointer to relocation.
1170
1171         * aarch64.cc (Target_aarch64::emit_relocs_scan): New method.
1172         (Target_aarch64::Relocatable_size_for_reloc): Remove.
1173         (Target_aarch64::gc_process_relocs): Use Default_classify_reloc.
1174         (Target_aarch64::scan_relocs): Likewise.
1175         (Target_aarch64::relocate_section): Likewise.
1176         (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc):
1177         Remove.
1178         (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc.
1179         (Target_aarch64::relocate_relocs): Use Default_classify_reloc.
1180         * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type
1181         template parameter.
1182         (Target_arm::emit_relocs_scan): New method.
1183         (Target_arm::Relocatable_size_for_reloc): Replace with...
1184         (Target_arm::Classify_reloc): ...this.
1185         (Target_arm::gc_process_relocs): Use Classify_reloc.
1186         (Target_arm::scan_relocs): Likewise.
1187         (Target_arm::relocate_section): Likewise.
1188         (Target_arm::scan_relocatable_relocs): Likewise.
1189         (Target_arm::relocate_relocs): Likewise.
1190         * i386.cc (Target_i386::emit_relocs_scan): New method.
1191         (Target_i386::Relocatable_size_for_reloc): Replace with...
1192         (Target_i386::Classify_reloc): ...this.
1193         (Target_i386::gc_process_relocs): Use Classify_reloc.
1194         (Target_i386::scan_relocs): Likewise.
1195         (Target_i386::relocate_section): Likewise.
1196         (Target_i386::scan_relocatable_relocs): Likewise.
1197         (Target_i386::relocate_relocs): Likewise.
1198         * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template
1199         parameter.
1200         (Mips_reloc_types): New class template.
1201         (Mips_classify_reloc): New class template.
1202         (Target_mips::Reltype): New typedef.
1203         (Target_mips::Relatype): New typedef.
1204         (Target_mips::emit_relocs_scan): New method.
1205         (Target_mips::get_r_sym): New method.
1206         (Target_mips::Relocatable_size_for_reloc): Replace with
1207         Mips_classify_reloc.
1208         (Target_mips::copy_reloc): Use Mips_classify_reloc.
1209         (Target_mips::gc_process_relocs): Likewise.
1210         (Target_mips::scan_relocs): Likewise.
1211         (Target_mips::relocate_section): Likewise.
1212         (Target_mips::scan_relocatable_relocs): Likewise.
1213         (Target_mips::relocate_relocs): Likewise.
1214         (mips_get_size_for_reloc): New function, factored out from
1215         Relocatable_size_for_reloc::get_size_for_reloc.
1216         (Target_mips::Scan::local): Use Mips_classify_reloc.
1217         (Target_mips::Scan::global): Likewise.
1218         (Target_mips::Relocate::relocate): Likewise.
1219         * powerpc.cc (Target_powerpc::emit_relocs_scan): New method.
1220         (Target_powerpc::Relocatable_size_for_reloc): Remove.
1221         (Target_powerpc::gc_process_relocs): Use Default_classify_reloc.
1222         (Target_powerpc::scan_relocs): Likewise.
1223         (Target_powerpc::relocate_section): Likewise.
1224         (Powerpc_scan_relocatable_reloc): Convert to class template.
1225         (Powerpc_scan_relocatable_reloc::Reltype): New typedef.
1226         (Powerpc_scan_relocatable_reloc::reloc_size): New const.
1227         (Powerpc_scan_relocatable_reloc::sh_type): New const.
1228         (Powerpc_scan_relocatable_reloc::get_r_sym): New method.
1229         (Powerpc_scan_relocatable_reloc::get_r_type): New method.
1230         (Target_powerpc::scan_relocatable_relocs): Use
1231         Powerpc_scan_relocatable_reloc.
1232         (Target_powerpc::relocate_relocs): Use Default_classify_reloc.
1233         * s390.cc (Target_s390::emit_relocs_scan): New method.
1234         (Target_s390::Relocatable_size_for_reloc): Remove.
1235         (Target_s390::gc_process_relocs): Use Default_classify_reloc.
1236         (Target_s390::scan_relocs): Likewise.
1237         (Target_s390::relocate_section): Likewise.
1238         (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc):
1239         Remove.
1240         (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc.
1241         (Target_s390::relocate_relocs): Use Default_classify_reloc.
1242         * sparc.cc (Target_sparc::emit_relocs_scan): New method.
1243         (Target_sparc::Relocatable_size_for_reloc): Remove.
1244         (Target_sparc::gc_process_relocs): Use Default_classify_reloc.
1245         (Target_sparc::scan_relocs): Likewise.
1246         (Target_sparc::relocate_section): Likewise.
1247         (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc):
1248         Remove.
1249         (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc.
1250         (Target_sparc::relocate_relocs): Use Default_classify_reloc.
1251         * tilegx.cc (Target_tilegx::emit_relocs_scan): New method.
1252         (Target_tilegx::Relocatable_size_for_reloc): Remove.
1253         (Target_tilegx::gc_process_relocs): Use Default_classify_reloc.
1254         (Target_tilegx::scan_relocs): Likewise.
1255         (Target_tilegx::relocate_section): Likewise.
1256         (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc):
1257         Remove.
1258         (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc.
1259         (Target_tilegx::relocate_relocs): Use Default_classify_reloc.
1260         * x86_64.cc (Target_x86_64::emit_relocs_scan): New method.
1261         (Target_x86_64::Relocatable_size_for_reloc): Remove.
1262         (Target_x86_64::gc_process_relocs): Use Default_classify_reloc.
1263         (Target_x86_64::scan_relocs): Likewise.
1264         (Target_x86_64::relocate_section): Likewise.
1265         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1266         Remove.
1267         (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc.
1268         (Target_x86_64::relocate_relocs): Use Default_classify_reloc.
1269
1270         * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method.
1271
1272 2016-01-01  Alan Modra  <amodra@gmail.com>
1273
1274         Update year range in copyright notice of all files.
1275
1276 For older changes see ChangeLog-0815
1277 \f
1278 Copyright (C) 2016 Free Software Foundation, Inc.
1279
1280 Copying and distribution of this file, with or without modification,
1281 are permitted in any medium without royalty provided the copyright
1282 notice and this notice are preserved.
1283
1284 Local Variables:
1285 mode: change-log
1286 left-margin: 8
1287 fill-column: 74
1288 version-control: never
1289 End: