gold/ChangeLog

   1 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
   2
   3         * mips.cc (Mips_got_entry::hash()): Shift addend to reduce
   4         possibility of collisions.
   5         (Mips_got_entry::equals): Fix case for GOT_TLS_LDM
   6         entries.
   7
   8 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
   9
  10         * mips.cc (Mips_relobj::merge_processor_specific_data_): New data
  11         member.
  12         (Mips_relobj::merge_processor_specific_data): New method.
  13         (Mips_relobj::do_read_symbols): Set merge_processor_specific_data_
  14         to false, only if the input file is a binary or if object has no
  15         contents except the section name string table and an empty symbol
  16         table with the undefined symbol.
  17         (Target_mips::do_finalize_sections): Refactor.  Skip empty object files
  18         for merging processor-specific data.
  19
  20 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
  21
  22         * mips.cc (Target_mips::Relocate::calculated_value_): New data
  23         member.
  24         (Target_mips::Relocate::calculate_only_): Likewise.
  25         (Target_mips::Relocate::relocate): Handle multiple consecutive
  26         relocations with the same offset.
  27
  28 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
  29
  30         * mips.cc (Target_mips::Relocate::relocate): Remove redundant
  31         checks for relocatable link.
  32         (Mips_relocate_functions::reljalr): Likewise.
  33
  34 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
  35
  36         * mips.cc (class Mips_output_section_options): New class.
  37         (Target_mips::do_make_output_section): New method.
  38
  39 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
  40
  41         * mips.cc (Mips_relocate_functions::rel26): Don't print relocation
  42         overflow error message.
  43         (Target_mips::relocate_special_relocatable): Improve relocation
  44         overflow error message.
  45         (Target_mips::Relocate::relocate): Likewise.
  46
  47 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
  48
  49         * mips.cc (symbol_refs_local): Return false if a symbol
  50         is from a dynamic object.
  51         (Target_mips::got_section): Make _GLOBAL_OFFSET_TABLE_ STV_HIDDEN.
  52         (Target_mips::set_gp): Refactor.  Make _gp STT_NOTYPE and
  53         STB_LOCAL.
  54         (Target_mips::do_finalize_sections): Set _gp after all the checks
  55         for creating .got are done.
  56         (Target_mips::Scan::global): Remove unused code.
  57
  58 2017-02-22  Alan Modra  <amodra@gmail.com>
  59
  60         * powerpc.cc (Target_powerpc::make_iplt_section): Check that
  61         output_section exists before attempting add_output_section_data.
  62         (Target_powerpc::make_brlt_section): Likewise.
  63
  64 2017-02-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
  65
  66         * mips.cc (Target_mips::Scan::get_reference_flags): Remove
  67         gold_unreachable from default case.
  68
  69 2017-02-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
  70
  71         PR gold/21111
  72         * mips.cc (Mips_relocate_functions::relhigher): New method.
  73         (Mips_relocate_functions::relhighest): Likewise.
  74         (mips_get_size_for_reloc): Add support for relocs: R_MIPS_HIGHER and
  75         R_MIPS_HIGHEST.
  76         (Target_mips::Scan::local): Add support for relocs: R_MIPS_HIGHER,
  77         R_MIPS_HIGHEST, R_MICROMIPS_HIGHER and R_MICROMIPS_HIGHEST.
  78         (Target_mips::Scan::global): Likewise.
  79         (Target_mips::Scan::get_reference_flags): Likewise.
  80         (Target_mips::Relocate::relocate): Call static methods for resolving
  81         HIGHER and HIGHEST relocations.
  82
  83 2017-02-03  Rahul Chaudhry  <rahulchaudhry@google.com>
  84
  85         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
  86         Return true even when building pie binaries.
  87         (Target_x86_64::possible_function_pointer_reloc): Check opcode
  88         for R_X86_64_PC32 relocations.
  89         (Target_x86_64::local_reloc_may_be_function_pointer): Pass
  90         extra arguments to local_reloc_may_be_function_pointer.
  91         (Target_x86_64::global_reloc_may_be_function_pointer): Likewise.
  92         * gc.h (gc_process_relocs): Add check for STT_FUNC.
  93         * testsuite/Makefile.am (icf_safe_pie_test): New test case.
  94         * testsuite/Makefile.in: Regenerate.
  95         * testsuite/icf_safe_pie_test.sh: New shell script.
  96
  97 2017-02-03  Alan Modra  <amodra@gmail.com>
  98
  99         * powerpc.cc (Powerpc_relobj::make_toc_relative): Don't crash
 100         when no .toc section exists.
 101
 102 2017-01-31  Cary Coutant  <ccoutant@gmail.com>
 103
 104         PR gold/21090
 105         * x86_64.cc (Target_x86_64::can_convert_mov_to_lea): Add check
 106         for predefined symbol.
 107         (Target_x86_64::Relocate::relocate): Fix formatting.
 108
 109 2017-01-23  Rahul Chaudhry  <rahulchaudhry@google.com>
 110
 111         * testsuite/icf_safe_so_test.sh: Use "set -e".
 112         * testsuite/icf_safe_test.sh: Likewise.
 113         * testsuite/icf_test.sh: Likewise.
 114
 115 2017-01-23  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 116
 117         * mips.cc (Mips_output_data_plt::rel_plt): Remove const from return
 118         type.
 119         (Target_mips::make_plt_entry): Make the sh_info field of .rel.plt
 120         point to .plt.
 121
 122 2017-01-23  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 123
 124         PR gold/21054
 125         * mips.cc (Mips_got_info::record_global_got_symbol): Don't add symbol
 126         to the dynamic symbol table if it is forced to local visibility.
 127         (Target_mips::do_finalize_sections): Don't add __RLD_MAP symbol to the
 128         dynamic symbol table if it is forced to local visibility.
 129
 130 2017-01-20  Nick Clifton  <nickc@redhat.com>
 131
 132         * aarch64.cc (Stub_template_repertoire): Change ST_E_835769_INSNS
 133         from a pointer to an array.
 134
 135 2017-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 136
 137         PR gold/21040
 138         * powerpc.cc (Powerpc_relobj<size, big_endian>::make_toc_relative):
 139         Cast 0x80008000 to uint64_t.
 140
 141 2017-01-12  Cary Coutant  <ccoutant@gmail.com>
 142
 143         * object.cc (Sized_relobj_file): Fix byte counts for calls to memmem.
 144
 145 2017-01-11  Cary Coutant  <ccoutant@gmail.com>
 146
 147         PR gold/21040
 148         * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
 149         Remove unnecessary 'typename' keyword.
 150         (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
 151         (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
 152         (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
 153         (Output_data_plt_x86_64_bnd::do_write): Likewise.
 154
 155 2017-01-11  Cary Coutant  <ccoutant@gmail.com>
 156
 157         PR gold/21040
 158         * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
 159         Remove unnecessary 'typename' keyword.
 160         (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
 161         (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
 162         (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
 163         * testsuite/copy_test_relro_1.cc (p, b, c, q): Add separate extern
 164         declarations.
 165
 166 2017-01-11  Cary Coutant  <ccoutant@gmail.com>
 167
 168         PR gold/21039
 169         * testsuite/script_test_13.sh: Adjust patterns to work for i386.
 170         * testsuite/script_test_15a.sh: Likewise.
 171         * testsuite/script_test_15b.sh: Likewise.
 172         * testsuite/script_test_15c.sh: Likewise.
 173
 174 2017-01-11  Alan Modra  <amodra@gmail.com>
 175
 176         * powerpc.cc (class Powerpc_copy_relocs): New.
 177         (Powerpc_copy_relocs::emit): New function.
 178         (Powerpc_relobj::relatoc_, toc_, no_toc_opt_): New variables.
 179         (Powerpc_relobj::toc_shndx, set_no_toc_opt, no_toc_opt): New inlines.
 180         (Powerpc_relobj::do_relocate_sections): New function.
 181         (Powerpc_relobj::make_toc_relative): Likewise.
 182         (Powerpc_relobj::do_find_special_sections): Stash away .rela.toc
 183         and .toc too.
 184         (ok_lo_toc_insn): Move earlier, and handle more insns.
 185         (Target_powerpc::Scan::local): If optimizing toc accesses, set
 186         no_toc_opt for entries we can't edit.  Check insn validity.
 187         Emit "toc optimization is not supported" warning, downgraded
 188         from error.
 189         (Target_powerpc::Scan::global): Likewise.
 190         (Target_powerpc::Relocate::relocate): Edit TOC indirect code
 191         to TOC relative.  Don't emit "toc optimization is not supported"
 192         error here.
 193
 194 2017-01-10  Cary Coutant  <ccoutant@gmail.com>
 195
 196         * aarch64.cc (AArch64_relobj::do_relocate_sections): Call
 197         Sized_relobj_file::relocate_section_range().
 198         * arm.cc (Arm_relobj::do_relocate_sections): Likewise.
 199         * object.h (Sized_relobj_file::relocate_section_range): New method.
 200         * reloc.cc (Sized_relobj_file::do_relocate_sections): Move
 201         implementation...
 202         (Sized_relobj_file::relocate_section_range): ...to new method.
 203
 204 2017-01-10  Alan Modra  <amodra@gmail.com>
 205
 206         * testsuite/ver_test_8.sh: Accept .TOC. in lieu of
 207         _GLOBAL_OFFSET_TABLE_.  Allow zero count.
 208         * testsuite/copy_test_relro_1.cc (c, q): New vars.
 209         * testsuite/copy_test_relro.cc: Rewrite to test read-only
 210         status of variables directly.  Reference new vars in
 211         read-only data.
 212
 213 2017-01-10  Alan Modra  <amodra@gmail.com>
 214
 215         * options.h: Add --secure-plt option.
 216         * powerpc.cc (Target_powerpc::Scan::local): Detect and error
 217         on -fPIC -mbss-plt code.
 218         (Target_powerpc::Scan::global): Likewise.
 219
 220 2017-01-09  Alan Modra  <amodra@gmail.com>
 221
 222         * powerpc.cc (Target_powerpc::make_plt_section): Point sh_info of
 223         ".rela.plt" at ".plt".
 224
 225 2017-01-07  Alan Modra  <amodra@gmail.com>
 226
 227         * powerpc.cc: Use shorter equivalent elfcpp typedef for
 228         Reltype and reloc_size throughout.
 229         (Target_powerpc::symval_for_branch): Exclude dynamic symbols.
 230         (Target_powerpc::Scan::local): Use local var r_sym.
 231         (Target_powerpc::Scan::global: Likewise.
 232         (Target_powerpc::Relocate::relocate): Delete shadowing r_sym.
 233
 234 2017-01-02  Alan Modra  <amodra@gmail.com>
 235
 236         Update year range in copyright notice of all files.
 237
 238 For older changes see ChangeLog-2016
 239 \f
 240 Copyright (C) 2017 Free Software Foundation, Inc.
 241
 242 Copying and distribution of this file, with or without modification,
 243 are permitted in any medium without royalty provided the copyright
 244 notice and this notice are preserved.
 245
 246 Local Variables:
 247 mode: change-log
 248 left-margin: 8
 249 fill-column: 74
 250 version-control: never
 251 End: