gold/ChangeLog

   1 2020-10-13  H.J. Lu  <hongjiu.lu@intel.com>
   2
   3         PR gold/23539
   4         * configure.ac: Check for GCC 9 or later and for -fcf-protection.
   5         * configure: Regenerated.
   6         * testsuite/Makefile.am (check_PROGRAMS): Skip incremental_test_2,
   7         incremental_test_3, incremental_test_4, incremental_test_5,
   8         incremental_copy_test, incremental_common_test_1 and
   9         incremental_comdat_test_1 for -fcf-protection.  Also Skip
  10         incremental_copy_test and incremental_comdat_test_1 for GCC 9 or
  11         later.
  12         * testsuite/Makefile.in: Regenerated.
  13
  14 2020-10-13  H.J. Lu  <hongjiu.lu@intel.com>
  15
  16         PR gold/23503
  17         * testsuite/Makefile.am (justsyms_lib): Pass
  18         -T $(srcdir)/justsyms_lib.t to gold.
  19         * testsuite/Makefile.in: Regenerated.
  20         * testsuite/justsyms_lib.t: New file.
  21         * testsuite/script_test_10.t: Discard .note.gnu.property section.
  22
  23 2020-10-13  H.J. Lu  <hongjiu.lu@intel.com>
  24
  25         * x86_64.cc (Target_x86_64::Target_x86_64): Initialize
  26         feature_2_used_, feature_2_needed_ and object_feature_2_used_.
  27         (Target_x86_64::feature_2_used_): New data member.
  28         (Target_x86_64::feature_2_needed_): Likewise.
  29         (Target_x86_64::object_isa_1_used_): Likewise.
  30         (Target_x86_64::record_gnu_property): Support
  31         GNU_PROPERTY_X86_COMPAT_ISA_1_USED,
  32         GNU_PROPERTY_X86_COMPAT_ISA_1_NEEDED,
  33         GNU_PROPERTY_X86_COMPAT_2_ISA_1_USED,
  34         GNU_PROPERTY_X86_COMPAT_2_ISA_1_NEEDED,
  35         GNU_PROPERTY_X86_FEATURE_2_USED and
  36         GNU_PROPERTY_X86_FEATURE_2_NEEDED.
  37         (Target_x86_64::merge_gnu_properties): Merge FEATURE_2_USED bits.
  38         Initialize object_feature_2_used_.
  39         (Target_x86_64::do_finalize_gnu_properties): Support
  40         GNU_PROPERTY_X86_FEATURE_2_USED and
  41         GNU_PROPERTY_X86_FEATURE_2_NEEDED.
  42         * testsuite/gnu_property_a.S (GNU_PROPERTY_X86_ISA_1_USED): Set
  43         to 0xc0010002.
  44         (GNU_PROPERTY_X86_ISA_1_NEEDED): Set to 0xc0008002.
  45         * testsuite/gnu_property_b.S (GNU_PROPERTY_X86_ISA_1_USED): Set
  46         to 0xc0010002.
  47         (GNU_PROPERTY_X86_ISA_1_NEEDED): Set to 0xc0008002.
  48         * testsuite/gnu_property_c.S (GNU_PROPERTY_X86_ISA_1_USED): Set
  49         to 0xc0010002.
  50         (GNU_PROPERTY_X86_ISA_1_NEEDED): Set to 0xc0008002.
  51         * testsuite/gnu_property_test.sh: Updated.
  52
  53 2020-10-13  H.J. Lu  <hongjiu.lu@intel.com>
  54
  55         PR gold/22914
  56         PR gold/23535
  57         * layout.cc (Layout::attach_allocated_section_to_segment): Place
  58         a note section in a PT_NOTE segment with the same alignment.  Set
  59         the alignment of the PT_NOTE segment from the alignment of the
  60         note section.
  61         (Layout::create_note): Align the NT_GNU_PROPERTY_TYPE_0 note to 8
  62         bytes for 64-bit ELF.
  63         (Layout::segment_precedes): Place segments with larger alignments
  64         first.
  65         * output.cc (Output_segment::Output_segment): Initialize align_.
  66         * output.h (Output_segment): Add align, set_align and align_.
  67         * testsuite/Makefile.am (gnu_property_test.stdout): Pass -lhSWn
  68         to $(TEST_READELF).
  69         (gnu_property_test): Pass --build-id to ld.
  70         * testsuite/Makefile.in: Regenerated.
  71         * testsuite/gnu_property_test.sh (check_alignment): New.
  72         Use check_alignment to check the NT_GNU_PROPERTY_TYPE_0 note
  73         alignment.  Verify that there are 2 PT_NOTE segments.
  74
  75 2020-10-13  H.J. Lu  <hongjiu.lu@intel.com>
  76
  77         PR gold/21452
  78         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): Remove
  79         check for shared library.
  80         (Scan::global_reloc_may_be_function_pointer): Remove check for
  81         shared library and symbol visibility.
  82         * testsuite/icf_safe_so_test.cc (bar_static): New function.
  83         (main): Take function address of bar_static and use it.
  84         * testsuite/icf_safe_so_test.sh (arch_specific_safe_fold): Also
  85         check fold on x86-64.  Check bar_static isn't folded.
  86
  87 2020-10-13  H.J. Lu  <hongjiu.lu@intel.com>
  88
  89         * icf.cc (Icf::find_identical_sections): Skip zero-sized sections.
  90
  91 2020-10-09  Alan Modra  <amodra@gmail.com>
  92
  93         * powerpc.cc (Powerpc_relobj::do_relocate_sections): Don't do
  94         local entry offset optimisation for lplt_section.
  95         (Target_powerpc::Branch_info::make_stub): Don't add local
  96         entry offset to long branch dest passed to
  97         add_long_branch_entry.  Do pass st_other bits.
  98         (Stub_table::Branch_stub_ent): Add "other_" field.
  99         (Stub_table::add_long_branch_entry): Add "other" param, and
 100         save.
 101         (Stub_table::branch_stub_size): Adjust long branch offset.
 102         (Stub_table::do_write): Likewise.
 103         (Target_powerpc::Relocate::relocate): Likewise.
 104
 105 2020-10-09  Alan Modra  <amodra@gmail.com>
 106
 107         * powerpc.cc (is_got_reloc): New function.
 108         (Target_powerpc::Relocate::relocate): Use it here, exclude GOT
 109         relocs when looking for stubs.
 110
 111 2020-10-08  H.J. Lu  <hongjiu.lu@intel.com>
 112
 113         * testsuite/split_i386.sh: Updated for --split-stack-adjust-size
 114         default change.
 115         * testsuite/split_x86_64.sh: Likewise.
 116
 117 2020-10-08  Alan Modra  <amodra@gmail.com>
 118
 119         * options.h (split_stack_adjust_size): Default to 0x100000.
 120
 121 2020-09-26  Alan Modra  <amodra@gmail.com>
 122
 123         * powerpc.cc (Target_powerpc): Rename power10_stubs_ to
 124         power10_relocs_.
 125         (Target_powerpc::set_power10_relocs): New accessor.
 126         (Target_powerpc::set_power10_stubs): Delete.
 127         (Target_powerpc::power10_stubs): Adjust.
 128         (Target_powerpc::has_localentry0): New accessor.
 129         (ld_0_11): New constant.
 130         (glink_eh_frame_fde_64v1, glink_eh_frame_fde_64v2): Adjust.
 131         (glink_eh_frame_fde_64v2_localentry0): New.
 132         (Output_data_glink::pltresolve_size): Update.
 133         (Output_data_glink::add_eh_frame): Use localentry0 version eh_frame.
 134         (Output_data_glink::do_write): Move r2 save to start of ELFv2 stub
 135         and only emit for has_localentry0.  Don't use r2 in the stub.
 136         (Target_powerpc::Scan::local, global): Adjust for
 137         set_power10_relocs renaming.
 138         (Target_powerpc::scan_relocs): Warn and reset plt_localentry0_.
 139
 140 2020-09-24  Alan Modra  <amodra@gmail.com>
 141
 142         * powerpc.cc (Target_powerpc::Relocate::relocate): Don't skip
 143         first insn of __tls_get_addr_opt stub.
 144
 145 2020-08-24  Alan Modra  <amodra@gmail.com>
 146
 147         * powerpc.cc (Target_powerpc): Add tprel_opt_ and accessors.
 148         (Target_powerpc::Scan::local): Sanity check tprel high relocs.
 149         (Target_powerpc::Scan::global): Likewise.
 150         (Target_powerpc::Relocate::relocate): Control tprel optimisation
 151         with tprel_opt_ and enable for 32-bit.
 152
 153 2020-08-12  Nick Clifton  <nickc@redhat.com>
 154
 155         * po/sr.po: Updated Serbian translation.
 156
 157 2020-07-27  Alan Modra  <amodra@gmail.com>
 158
 159         * options.h (DEFINE_enum): Add optional_arg__ param, adjust
 160         all uses.
 161         (General_options): Add --power10-stubs and --no-power10-stubs.
 162         * options.cc (General_options::parse_no_power10_stubs): New.
 163         (General_options::finalize): Handle --power10-stubs.
 164         * powerpc.cc (set_power10_stubs): Don't set when --power10-stubs=no.
 165         (power10_stubs_auto): New.
 166         (struct Plt_stub_ent): Add toc_ and tocoff_.  Don't use a bitfield
 167         for indx_.
 168         (struct Branch_stub_ent): Add toc_and tocoff_.  Use bitfields for
 169         iter_, notoc_ and save_res_.
 170         (add_plt_call_entry): Set toc_.  Adjust resizing conditions for
 171         --power10-stubs=auto.
 172         (add_long_branch_entry): Set toc_.
 173         (add_eh_frame, define_stub_syms): No longer use const_iterators
 174         for plt and long branch stub iteration.
 175         (build_tls_opt_head, build_tls_opt_tail): Change parameters and
 176         return value.  Move tests for __tls_get_addr to callers.
 177         (plt_call_size): Handle --power10-stubs=auto.
 178         (branch_stub_size): Likewise.
 179         (Stub_table::do_write): Likewise.
 180         (relocate): Likewise.
 181
 182 2020-07-19  H.J. Lu  <hongjiu.lu@intel.com>
 183
 184         * testsuite/bnd_ifunc_1.sh: Updated.
 185         * testsuite/bnd_plt_1.sh: Likewise.
 186         * testsuite/split_x32.sh: Likewise.
 187         * testsuite/split_x86_64.sh: Likewise.
 188         * testsuite/x86_64_indirect_call_to_direct.sh: Likewise.
 189
 190 2020-07-08  Nick Clifton  <nickc@redhat.com>
 191
 192         * testsuite/script_test_7.sh: Adjust expected address of the .bss
 193         section.
 194         * testsuite/script_test_9.sh: Do not expect the .init section to
 195         immediately follow the .text section in the mapping of sections to
 196         segments.
 197
 198 2020-07-07  Nick Clifton  <nickc@redhat.com>
 199
 200         * target-reloc.h: (Default_comdat_behaviour:get): Ignore discarded
 201         relocs that refer to the .gnu.build.attributes section.
 202
 203 2020-07-06  Nick Clifton  <nickc@redhat.com>
 204
 205         * po/fr.po: Updated French translation.
 206         * po/uk.po: Updated Ukranian translation.
 207
 208 2020-07-04  Nick Clifton  <nickc@redhat.com>
 209
 210         Binutils 2.35 branch created.
 211
 212 2020-07-03  Alan Modra  <amodra@gmail.com>
 213
 214         PR 26028
 215         * testsuite/Makefile.am (file_in_many_sections.stdout): Add -W
 216         to readelf options.
 217         * testsuite/Makefile.in: Regenerate.
 218
 219 2020-06-26  Nick Alcock  <nick.alcock@oracle.com>
 220
 221         * configure.ac: Check for bswap_16, bswap_32, and bswap_64 decls.
 222         * configure: Regenerated.
 223         * config.h.in: Likewise.
 224
 225 2020-06-24  Nick Clifton  <nickc@redhat.com>
 226
 227         * target-reloc.h (issue_discarded_error): Initialise the
 228         key_symndx variable.
 229
 230 2020-06-23  Roland McGrath  <mcgrathr@google.com>
 231
 232         PR 22843
 233         * options.h (class General_options): Add --dependency-file option.
 234         * fileread.cc (File_read::files_read): New static variable.
 235         (File_read::open): Add the file to the files_read list.
 236         (File_read::record_file_read): New static member function.
 237         (File_read::write_dependency_file): New static member function.
 238         * fileread.h (class File_read): Declare them.
 239         * layout.cc (Layout::read_layout_from_file): Call record_file_read.
 240         (Close_task_runner::run): Call write_dependency_file if
 241         --dependency-file was passed.
 242
 243 2020-06-18  Fangrui Song  <i@maskray.me>
 244
 245         PR gold/26039
 246         * layout.cc (Layout::finish_dynamic_section): Set DF_1_PIE.
 247
 248 2020-06-16  Alan Modra  <amodra@gmail.com>
 249
 250         * testsuite/discard_locals_test.c: Replace uses of asm with __asm__.
 251         * testsuite/discard_locals_relocatable_test.c: Likewise.
 252
 253 2020-06-16  Alan Modra  <amodra@gmail.com>
 254
 255         * testsuite/Makefile.am (export_dynamic_plugin.o): Use CXXCOMPILE.
 256         (plugin_test_wrap_symbols_1.o): Likewise.
 257         (plugin_test_wrap_symbols_2.o): Likewise.
 258         * testsuite/Makefile.in: Regenerate.
 259
 260 2020-06-15  Roland McGrath  <mcgrathr@google.com>
 261
 262         Implement -z start-stop-visibility=... option.
 263         * options.h (class General_options): Handle -z start-stop-visibility=.
 264         (General_options::start_stop_visibility_enum): New public method.
 265         (General_options::set_start_stop_visibility_enum): New private method.
 266         (General_options::start_stop_visibility_enum_): New private member.
 267         * options.cc (General_options::General_options): Add initializer.
 268         (General_options::finalize): Set this->start_stop_visibility_enum_
 269         from string value.
 270         * layout.cc (Layout::define_section_symbols): Use option setting.
 271
 272 2020-06-06  Alan Modra  <amodra@gmail.com>
 273
 274         * powerpc.cc: Update throughout for reloc renaming.
 275
 276 2020-05-22  Alan Modra  <amodra@gmail.com>
 277
 278         PR 25882
 279         * powerpc.cc (merge_object_attributes): Replace name param with
 280         obj param.  Update callers.  Don't init FP attributes from shared
 281         libraries, and do not emit an error if they don't match.
 282
 283 2020-05-15  Nikita Ermakov  <coffe92@gmail.com>
 284
 285         * powerpc.cc (do_gc_mark_symbol): Don't segfault on plugin symbols.
 286
 287 2020-05-14  Nick Clifton  <nickc@redhat.com>
 288
 289         * po/sr.po: New Serbian translation.
 290
 291 2020-05-11  Alan Modra  <amodra@gmail.com>
 292
 293         * powerpc.cc: Rename powerxx to power10 throughout.
 294
 295 2020-05-02  H.J. Lu  <hongjiu.lu@intel.com>
 296
 297         PR gold/25904
 298         * testsuite/Makefile.am (COMMON_TEST_C_CFLAGS): New.
 299         (common_test_1.o): New rule.
 300         (common_test_2.o): Likewise.
 301         (common_test_3.o): Likewise.
 302         (plugin_common_test_1.o): Likewise.
 303         (plugin_common_test_2.o): Likewise.
 304         (common_test_1_v1.o): Likewise.
 305         (common_test_1_v2.o): Likewise.
 306         (common_test_2_pic.o): Compile with $(COMMON_TEST_C_CFLAGS).
 307         (common_test_3_pic.o): Likewise.
 308         * testsuite/Makefile.in: Regenerated.
 309
 310 2020-05-01  H.J. Lu  <hongjiu.lu@intel.com>
 311
 312         PR gold/25426
 313         * x86_64.cc (Target_x86_64<size>::Relocate::tls_desc_gd_to_ie):
 314         For x32, relax "rex leal foo@tlsdesc(%rip), %reg" to
 315         "rex movl foo@gottpoff(%rip), %eax" and relax ""call *(%eax)"
 316         to "nopl (%rax)".
 317         (Target_x86_64<size>::Relocate::tls_desc_gd_to_le): For x32,
 318         relax "rex leal foo@tlsdesc(%rip), %reg" to
 319         "rex movl foo@tpoff, %eax" and relax "call *foo@tlscall(%eax)"
 320         to "nopl (%rax)".
 321         * testsuite/Makefile.am (tls_test_gnu2.o): Depend on
 322         gcctestdir/as.
 323         (tls_test_file2_gnu2.o): Likewise.
 324         (tls_test_c_gnu2.o): Likewise.
 325         * testsuite/Makefile.in: Regenerated.
 326
 327 2020-05-01  H.J. Lu  <hongjiu.lu@intel.com>
 328
 329         PR gold/25473
 330         * x86_64.cc (Target_x86_64<size>::Relocate::tls_desc_gd_to_ie):
 331         Properly check r8 - r15 in "lea foo@TLSDESC(%rip), %reg".
 332         (Target_x86_64<size>::Relocate::tls_desc_gd_to_le): Properly
 333         relax r8 - r15 in "lea foo@TLSDESC(%rip), %reg".
 334         * testsuite/Makefile.am (check_SCRIPTS): Add x86_64_gd_to_le.sh.
 335         (check_DATA): Add x86_64_gd_to_le.stdout.
 336         (MOSTLYCLEANFILES): Add x86_64_gd_to_le.
 337         (x86_64_gd_to_le.o): New target.
 338         (x86_64_gd_to_le): Likewise.
 339         (x86_64_gd_to_le.stdout): Likewise.
 340         * testsuite/Makefile.in: Regenerated.
 341         * testsuite/x86_64_gd_to_le.s: New file.
 342         * testsuite/x86_64_gd_to_le.sh: Likewise.
 343
 344 2020-05-01  H.J. Lu  <hongjiu.lu@intel.com>
 345
 346         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 347         expression even more complex.
 348
 349 2020-05-01  H.J. Lu  <hongjiu.lu@intel.com>
 350
 351         * testsuite/ver_test_pr16504.sh: Updated.
 352
 353 2020-05-01  H.J. Lu  <hongjiu.lu@intel.com>
 354
 355         PR gold/25872
 356         * x86_64.cc (Output_data_plt_x86_64_bnd::do_write): Increment
 357         plt_offset after setting the reserved TLSDESC PLT entry.
 358         (Output_data_plt_x86_64_ibt<size>::do_write): Likewise.
 359
 360 2020-05-01  H.J. Lu  <hongjiu.lu@intel.com>
 361
 362         PR gold/25872
 363         * x86_64.cc (Output_data_plt_x86_64_bnd::do_address_for_local):
 364         Handle local IFUNC symbol.
 365         (Output_data_plt_x86_64_ibt::do_address_for_local): Likewise.
 366
 367 2020-03-19  Fangrui Song  <maskray@google.com>
 368
 369     * options.h (General_options): Add --no-rosegment option.
 370
 371 2020-02-24  Nick Clifton  <nickc@redhat.com>
 372
 373         * po/fr.po: Update French translation.
 374
 375 2020-01-20  Nick Clifton  <nickc@redhat.com>
 376
 377         * po/uk.po: Updated Ukranian translation.
 378
 379 2020-01-18  Nick Clifton  <nickc@redhat.com>
 380
 381         * configure: Regenerate.
 382         * po/gold.pot: Regenerate.
 383
 384 2020-01-18  Nick Clifton  <nickc@redhat.com>
 385
 386         Binutils 2.34 branch created.
 387
 388 2020-01-01  Alan Modra  <amodra@gmail.com>
 389
 390         Update year range in copyright notice of all files.
 391
 392 For older changes see ChangeLog-2019
 393 \f
 394 Copyright (C) 2020 Free Software Foundation, Inc.
 395
 396 Copying and distribution of this file, with or without modification,
 397 are permitted in any medium without royalty provided the copyright
 398 notice and this notice are preserved.
 399
 400 Local Variables:
 401 mode: change-log
 402 left-margin: 8
 403 fill-column: 74
 404 version-control: never
 405 End: