gold/ChangeLog

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