gold/ChangeLog

   1 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
   2
   3         * x86_64.cc (X86_64_relocate_functions::pcrela32_check): Fix x32
   4         overflow checking when symbol value + addend < 0.
   5
   6 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
   7
   8         PR gold/19577
   9         * reloc.h (Limits): New class.
  10         (Bits::has_overflow32): Use min/max values from Limits.
  11         (Bits::has_unsigned_overflow32): Likewise.
  12         (Bits::has_signed_unsigned_overflow32): Likewise.
  13         (Bits::has_overflow): Likewise.
  14         (Bits::has_unsigned_overflow): Likewise.
  15         (Bits::has_signed_unsigned_overflow64): Likewise.
  16
  17 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
  18
  19         PR gold/19567
  20         * reloc.h (Relocate_functions::Overflow_check): Add comments.
  21         * x86_64.cc (X86_64_relocate_functions): New class.
  22         (Target_x86_64::Relocate::relocate): Use the new class.
  23         * testsuite/Makefile.am (x86_64_overflow_pc32): Add -Tdata option.
  24         (x32_overflow_pc32): New test case.
  25         * testsuite/Makefile.in: Regenerate.
  26         * testsuite/x32_overflow_pc32.sh: New script.
  27         * testsuite/x86_64_overflow_pc32.s: Remove .space directive.
  28
  29 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
  30
  31         PR gold/19577
  32         * reloc.h (Bits::has_unsigned_overflow32): Fix static_cast.
  33         (Bits::has_unsigned_overflow): Remove unnecessary static_cast.
  34
  35 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
  36
  37         PR gold/19577
  38         * reloc.h (Bits::has_unsigned_overflow32): Fix unsigned/signed
  39         comparison.
  40         (Bits::has_unsigned_overflow): Likewise.
  41
  42 2016-02-06  Marcin Kościelnicki  <koriakin@0x04.net>
  43
  44         * i386.cc (Target_i386::is_call_to_non_split): Add view and view_size
  45         parameters.
  46         * reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Pass view
  47         and view_size to is_call_to_non_split.
  48         * target.cc (Target::is_call_to_non_split): Add view and view_size
  49         parameters.
  50         * target.h (class Target): Likewise.
  51
  52 2016-02-05  Sriraman Tallam  <tmsriram@google.com>
  53
  54         * icf.cc (get_rel_addend): New function.
  55         (get_section_contents):  Move merge section addend computation to a
  56         new function.  Ignore negative values for SHT_REL and SHT_RELA addends.
  57         Fix bug to not read past the length of the section.
  58
  59 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
  60             Andrew Senkevich  <andrew.senkevich@intel.com>
  61
  62         PR gold/18695
  63         * x86_64.cc (Target_x86_64::Relocate::relocate): Add overflow
  64         checking for R_X86_64_32, R_X86_64_32S, R_X86_64_PC32, and
  65         R_X86_64_PLT32.
  66         * testsuite/Makefile.am (x86_64_overflow_pc32): New test.
  67         * testsuite/x86_64_overflow_pc32.sh: New test script.
  68         * testsuite/x86_64_overflow_pc32.s: New source file.
  69
  70 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
  71
  72         PR gold/18695
  73         * reloc.h (Relocate_functions::Address): New typedef.
  74         (Relocate_functions::Addendtype): New typedef.
  75         (Relocate_functions::Overflow_check): New enum type.
  76         (Relocate_functions::Reloc_status): New enum type.
  77         (Relocate_functions::check_overflow): New function template.
  78         (Relocate_functions::rel): Add check parameter; check for overflow.
  79         (Relocate_functions::rel_unaligned): Likewise.
  80         (Relocate_functions::rela): Likewise.
  81         (Relocate_functions::pcrel): Likewise.
  82         (Relocate_functions::pcrel_unaligned): Likewise.
  83         (Relocate_functions::pcrela): Likewise.
  84         (Relocate_functions::rel8): Adjust parameter types.
  85         (Relocate_functions::rela8): Likewise.
  86         (Relocate_functions::pcrel8): Likewise.
  87         (Relocate_functions::pcrela8): Likewise.
  88         (Relocate_functions::rel16): Likewise.
  89         (Relocate_functions::rela168): Likewise.
  90         (Relocate_functions::pcrel16): Likewise.
  91         (Relocate_functions::pcrela16): Likewise.
  92         (Relocate_functions::rel32): Likewise.
  93         (Relocate_functions::rel32_unaligned): Likewise.
  94         (Relocate_functions::rela32): Likewise.
  95         (Relocate_functions::pcrel32): Likewise.
  96         (Relocate_functions::pcrel32_unaligned): Likewise.
  97         (Relocate_functions::pcrela32): Likewise.
  98         (Relocate_functions::rel8_check): New function.
  99         (Relocate_functions::rela8_check): New function.
 100         (Relocate_functions::pcrel8_check): New function.
 101         (Relocate_functions::pcrela8_check): New function.
 102         (Relocate_functions::rel16_check): New function.
 103         (Relocate_functions::rela168_check): New function.
 104         (Relocate_functions::pcrel16_check): New function.
 105         (Relocate_functions::pcrela16_check): New function.
 106         (Relocate_functions::rel32_check): New function.
 107         (Relocate_functions::rel32_unaligned_check): New function.
 108         (Relocate_functions::rela32_check): New function.
 109         (Relocate_functions::pcrel32_check): New function.
 110         (Relocate_functions::pcrel32_unaligned_check): New function.
 111         (Relocate_functions::pcrela32_check): New function.
 112         (Bits::has_unsigned_overflow32): New function.
 113         (Bits::has_unsigned_overflow): New function.
 114         * testsuite/Makefile.am (overflow_unittest): New test.
 115         * testsuite/Makefile.in: Regenerate.
 116         * testsuite/overflow_unittest.cc: New source file.
 117
 118 2016-02-04  Alan Modra  <amodra@gmail.com>
 119
 120         * powerpc.cc (relocate): Adjust last patch for big-endian.
 121
 122 2016-02-02  Alan Modra  <amodra@gmail.com>
 123
 124         * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
 125
 126 2016-01-15 Han Shen  <shenhan@google.com>
 127
 128         PR gold/19472 - need pc-relative stubs.
 129
 130         * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
 131         stub type for DSOs and pie executables.
 132
 133 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
 134
 135         * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove
 136         'typename'.
 137
 138 2016-01-12  Cary Coutant  <ccoutant@gmail.com>
 139
 140         * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method.
 141         * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method.
 142         * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both
 143         specializations) New method.
 144
 145 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
 146
 147         PR gold/19353
 148         * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
 149         we have a TLS segment for GD-to-IE optimization.
 150         * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
 151         Adjust all calls.
 152         (Target_i386::tls_desc_gd_to_ie): Likewise.
 153         (Target_i386::relocate_tls): Don't insist that we have a TLS segment
 154         for TLSDESC GD-to-IE optimizations.
 155         * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
 156         Adjust all calls.
 157         (Target_x86_64::tls_desc_gd_to_ie): Likewise.
 158         (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
 159         for TLSDESC GD-to-IE optimizations.
 160
 161 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
 162
 163         Refactor gold to enable support for MIPS-64 relocation format.
 164
 165         * gc.h (get_embedded_addend_size): Remove sh_type parameter.
 166         (gc_process_relocs): Remove sh_type template parameter.
 167         Use Classify_reloc to access r_sym, r_type, and r_addend fields.
 168         * object.h (Sized_relobj_file::split_stack_adjust): Add target
 169         parameter.
 170         (Sized_relobj_file::split_stack_adjust_reltype): Likewise.
 171         * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA
 172         specializations) Remove.
 173         * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h.
 174         (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan().
 175         (Sized_relobj_file::emit_relocs_scan_reltype): Remove.
 176         (Sized_relobj_file::split_stack_adjust): Add target parameter.
 177         Adjust all callers.
 178         (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call
 179         Target::get_r_sym() to get r_sym field from relocations.
 180         (Track_relocs::next_symndx): Call Target::get_r_sym().
 181         * target-reloc.h (scan_relocs): Remove sh_type template parameter;
 182         add Classify_reloc template parameter.  Use for accessing r_sym and
 183         r_type.
 184         (relocate_section): Likewise.
 185         (Default_classify_reloc): New class (renamed and moved from reloc.cc).
 186         (Default_scan_relocatable_relocs): Remove sh_type template parameter.
 187         (Default_scan_relocatable_relocs::Reltype): New typedef.
 188         (Default_scan_relocatable_relocs::reloc_size): New const.
 189         (Default_scan_relocatable_relocs::sh_type): New const.
 190         (Default_scan_relocatable_relocs::get_r_sym): New method.
 191         (Default_scan_relocatable_relocs::get_r_type): New method.
 192         (Default_emit_relocs_strategy): New class.
 193         (scan_relocatable_relocs): Replace sh_type template parameter with
 194         Scan_relocatable_relocs class.  Use it to access r_sym and r_type
 195         fields.
 196         (relocate_relocs): Replace sh_type template parameter with
 197         Classify_reloc class.  Use it to access r_sym and r_type fields.
 198         * target.h (Target::is_call_to_non_split): Replace r_type parameter
 199         with pointer to relocation. Adjust all callers.
 200         (Target::do_is_call_to_non_split): Likewise.
 201         (Target::emit_relocs_scan): New virtual method.
 202         (Sized_target::get_r_sym): New virtual method.
 203         * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter
 204         with pointer to relocation.
 205
 206         * aarch64.cc (Target_aarch64::emit_relocs_scan): New method.
 207         (Target_aarch64::Relocatable_size_for_reloc): Remove.
 208         (Target_aarch64::gc_process_relocs): Use Default_classify_reloc.
 209         (Target_aarch64::scan_relocs): Likewise.
 210         (Target_aarch64::relocate_section): Likewise.
 211         (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc):
 212         Remove.
 213         (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc.
 214         (Target_aarch64::relocate_relocs): Use Default_classify_reloc.
 215         * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type
 216         template parameter.
 217         (Target_arm::emit_relocs_scan): New method.
 218         (Target_arm::Relocatable_size_for_reloc): Replace with...
 219         (Target_arm::Classify_reloc): ...this.
 220         (Target_arm::gc_process_relocs): Use Classify_reloc.
 221         (Target_arm::scan_relocs): Likewise.
 222         (Target_arm::relocate_section): Likewise.
 223         (Target_arm::scan_relocatable_relocs): Likewise.
 224         (Target_arm::relocate_relocs): Likewise.
 225         * i386.cc (Target_i386::emit_relocs_scan): New method.
 226         (Target_i386::Relocatable_size_for_reloc): Replace with...
 227         (Target_i386::Classify_reloc): ...this.
 228         (Target_i386::gc_process_relocs): Use Classify_reloc.
 229         (Target_i386::scan_relocs): Likewise.
 230         (Target_i386::relocate_section): Likewise.
 231         (Target_i386::scan_relocatable_relocs): Likewise.
 232         (Target_i386::relocate_relocs): Likewise.
 233         * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template
 234         parameter.
 235         (Mips_reloc_types): New class template.
 236         (Mips_classify_reloc): New class template.
 237         (Target_mips::Reltype): New typedef.
 238         (Target_mips::Relatype): New typedef.
 239         (Target_mips::emit_relocs_scan): New method.
 240         (Target_mips::get_r_sym): New method.
 241         (Target_mips::Relocatable_size_for_reloc): Replace with
 242         Mips_classify_reloc.
 243         (Target_mips::copy_reloc): Use Mips_classify_reloc.
 244         (Target_mips::gc_process_relocs): Likewise.
 245         (Target_mips::scan_relocs): Likewise.
 246         (Target_mips::relocate_section): Likewise.
 247         (Target_mips::scan_relocatable_relocs): Likewise.
 248         (Target_mips::relocate_relocs): Likewise.
 249         (mips_get_size_for_reloc): New function, factored out from
 250         Relocatable_size_for_reloc::get_size_for_reloc.
 251         (Target_mips::Scan::local): Use Mips_classify_reloc.
 252         (Target_mips::Scan::global): Likewise.
 253         (Target_mips::Relocate::relocate): Likewise.
 254         * powerpc.cc (Target_powerpc::emit_relocs_scan): New method.
 255         (Target_powerpc::Relocatable_size_for_reloc): Remove.
 256         (Target_powerpc::gc_process_relocs): Use Default_classify_reloc.
 257         (Target_powerpc::scan_relocs): Likewise.
 258         (Target_powerpc::relocate_section): Likewise.
 259         (Powerpc_scan_relocatable_reloc): Convert to class template.
 260         (Powerpc_scan_relocatable_reloc::Reltype): New typedef.
 261         (Powerpc_scan_relocatable_reloc::reloc_size): New const.
 262         (Powerpc_scan_relocatable_reloc::sh_type): New const.
 263         (Powerpc_scan_relocatable_reloc::get_r_sym): New method.
 264         (Powerpc_scan_relocatable_reloc::get_r_type): New method.
 265         (Target_powerpc::scan_relocatable_relocs): Use
 266         Powerpc_scan_relocatable_reloc.
 267         (Target_powerpc::relocate_relocs): Use Default_classify_reloc.
 268         * s390.cc (Target_s390::emit_relocs_scan): New method.
 269         (Target_s390::Relocatable_size_for_reloc): Remove.
 270         (Target_s390::gc_process_relocs): Use Default_classify_reloc.
 271         (Target_s390::scan_relocs): Likewise.
 272         (Target_s390::relocate_section): Likewise.
 273         (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc):
 274         Remove.
 275         (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc.
 276         (Target_s390::relocate_relocs): Use Default_classify_reloc.
 277         * sparc.cc (Target_sparc::emit_relocs_scan): New method.
 278         (Target_sparc::Relocatable_size_for_reloc): Remove.
 279         (Target_sparc::gc_process_relocs): Use Default_classify_reloc.
 280         (Target_sparc::scan_relocs): Likewise.
 281         (Target_sparc::relocate_section): Likewise.
 282         (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc):
 283         Remove.
 284         (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc.
 285         (Target_sparc::relocate_relocs): Use Default_classify_reloc.
 286         * tilegx.cc (Target_tilegx::emit_relocs_scan): New method.
 287         (Target_tilegx::Relocatable_size_for_reloc): Remove.
 288         (Target_tilegx::gc_process_relocs): Use Default_classify_reloc.
 289         (Target_tilegx::scan_relocs): Likewise.
 290         (Target_tilegx::relocate_section): Likewise.
 291         (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc):
 292         Remove.
 293         (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc.
 294         (Target_tilegx::relocate_relocs): Use Default_classify_reloc.
 295         * x86_64.cc (Target_x86_64::emit_relocs_scan): New method.
 296         (Target_x86_64::Relocatable_size_for_reloc): Remove.
 297         (Target_x86_64::gc_process_relocs): Use Default_classify_reloc.
 298         (Target_x86_64::scan_relocs): Likewise.
 299         (Target_x86_64::relocate_section): Likewise.
 300         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
 301         Remove.
 302         (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc.
 303         (Target_x86_64::relocate_relocs): Use Default_classify_reloc.
 304
 305         * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method.
 306
 307 2016-01-01  Alan Modra  <amodra@gmail.com>
 308
 309         Update year range in copyright notice of all files.
 310
 311 For older changes see ChangeLog-0815
 312 \f
 313 Copyright (C) 2016 Free Software Foundation, Inc.
 314
 315 Copying and distribution of this file, with or without modification,
 316 are permitted in any medium without royalty provided the copyright
 317 notice and this notice are preserved.
 318
 319 Local Variables:
 320 mode: change-log
 321 left-margin: 8
 322 fill-column: 74
 323 version-control: never
 324 End: