diff options
Diffstat (limited to 'binutils/readelf.c')
| -rw-r--r-- | binutils/readelf.c | 47 |
1 files changed, 42 insertions, 5 deletions
diff --git a/binutils/readelf.c b/binutils/readelf.c index 609edc6..ea48ba1 100644 --- a/binutils/readelf.c +++ b/binutils/readelf.c @@ -8156,7 +8156,7 @@ is_32bit_pcrel_reloc (unsigned int reloc_type) case EM_ARM: return reloc_type == 3; /* R_ARM_REL32 */ case EM_PARISC: - return reloc_type == 0; /* R_PARISC_NONE. *//* FIXME: This reloc is generated, but it may be a bug. */ + return reloc_type == 9; /* R_PARISC_PCREL32. */ case EM_PPC: return reloc_type == 26; /* R_PPC_REL32. */ case EM_PPC64: @@ -8219,6 +8219,36 @@ is_64bit_abs_reloc (unsigned int reloc_type) } } +/* Like is_32bit_pcrel_reloc except that it returns TRUE iff RELOC_TYPE is + a 64-bit pc-relative RELA relocation used in DWARF debug sections. */ + +static bfd_boolean +is_64bit_pcrel_reloc (unsigned int reloc_type) +{ + switch (elf_header.e_machine) + { + case EM_ALPHA: + return reloc_type == 11; /* R_ALPHA_SREL64 */ + case EM_IA_64: + return reloc_type == 0x4f; /* R_IA64_PCREL64LSB */ + case EM_PARISC: + return reloc_type == 72; /* R_PARISC_PCREL64 */ + case EM_PPC64: + return reloc_type == 44; /* R_PPC64_REL64 */ + case EM_SPARC32PLUS: + case EM_SPARCV9: + case EM_SPARC: + return reloc_type == 46; /* R_SPARC_DISP64 */ + case EM_X86_64: + return reloc_type == 24; /* R_X86_64_PC64 */ + case EM_S390_OLD: + case EM_S390: + return reloc_type == 23; /* R_S390_PC64 */ + default: + return FALSE; + } +} + /* Like is_32bit_abs_reloc except that it returns TRUE iff RELOC_TYPE is a 16-bit absolute RELA relocation used in DWARF debug sections. */ @@ -8392,7 +8422,8 @@ debug_apply_relocations (void *file, if (is_32bit_abs_reloc (reloc_type) || is_32bit_pcrel_reloc (reloc_type)) reloc_size = 4; - else if (is_64bit_abs_reloc (reloc_type)) + else if (is_64bit_abs_reloc (reloc_type) + || is_64bit_pcrel_reloc (reloc_type)) reloc_size = 8; else if (is_16bit_abs_reloc (reloc_type)) reloc_size = 2; @@ -8436,9 +8467,15 @@ debug_apply_relocations (void *file, addend = is_rela ? rp->r_addend : byte_get (loc, reloc_size); - if (is_32bit_pcrel_reloc (reloc_type)) - byte_put (loc, (addend + sym->st_value) - rp->r_offset, - reloc_size); + if (is_32bit_pcrel_reloc (reloc_type) + || is_64bit_pcrel_reloc (reloc_type)) + { + /* On HPPA, all pc-relative relocations are biased by 8. */ + if (elf_header.e_machine == EM_PARISC) + addend -= 8; + byte_put (loc, (addend + sym->st_value) - rp->r_offset, + reloc_size); + } else byte_put (loc, addend + sym->st_value, reloc_size); } |