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* readelf.c (display_debug_info): Add to abbrev_offset the addend

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of any RELA relocation for the abbrev_offset memory location that
refers to the .debug_abbrev section symbol.
This commit is contained in:
Alexandre Oliva 2001-08-08 11:17:46 +00:00
parent f2363ce55b
commit c0e047e0e5
2 changed files with 69 additions and 0 deletions
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6
binutils/ChangeLog
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@ -1,3 +1,9 @@
2001-08-08 Alexandre Oliva <aoliva@redhat.com>
* readelf.c (display_debug_info): Add to abbrev_offset the addend
of any RELA relocation for the abbrev_offset memory location that
refers to the .debug_abbrev section symbol.
2001-08-07 H.J. Lu <hjl@gnu.org>
* readelf.c (process_file): Return 0 if OK, otherwise return 1.

63
binutils/readelf.c
View File

@ -7026,6 +7026,7 @@ display_debug_info (section, start, file)
{
DWARF2_External_CompUnit * external;
DWARF2_Internal_CompUnit compunit;
Elf32_Internal_Shdr * relsec;
unsigned char * tags;
int i;
int level;
@ -7038,6 +7039,68 @@ display_debug_info (section, start, file)
compunit.cu_abbrev_offset = BYTE_GET (external->cu_abbrev_offset);
compunit.cu_pointer_size = BYTE_GET (external->cu_pointer_size);
/* Check for RELA relocations in the abbrev_offset address, and
apply them. */
for (relsec = section_headers;
relsec < section_headers + elf_header.e_shnum;
++relsec)
{
unsigned long nrelas, nsyms;
Elf_Internal_Rela *rela, *rp;
Elf32_Internal_Shdr *symsec;
Elf_Internal_Sym *symtab;
Elf_Internal_Sym *sym;
if (relsec->sh_type != SHT_RELA
|| section_headers + relsec->sh_info != section)
continue;
if (!slurp_rela_relocs (file, relsec->sh_offset, relsec->sh_size,
& rela, & nrelas))
return 0;
symsec = section_headers + relsec->sh_link;
nsyms = symsec->sh_size / symsec->sh_entsize;
symtab = GET_ELF_SYMBOLS (file, symsec->sh_offset, nsyms);
for (rp = rela; rp < rela + nrelas; ++rp)
{
if (rp->r_offset
!= (bfd_vma) ((unsigned char *) &external->cu_abbrev_offset
- section_begin))
continue;
if (is_32bit_elf)
{
sym = symtab + ELF32_R_SYM (rp->r_info);
if (ELF32_ST_TYPE (sym->st_info) != STT_SECTION)
{
warn (_("Skipping unexpected symbol type %u"),
ELF32_ST_TYPE (sym->st_info));
continue;
}
}
else
{
sym = symtab + ELF64_R_SYM (rp->r_info);
if (ELF64_ST_TYPE (sym->st_info) != STT_SECTION)
{
warn (_("Skipping unexpected symbol type %u"),
ELF64_ST_TYPE (sym->st_info));
continue;
}
}
compunit.cu_abbrev_offset += rp->r_addend;
break;
}
free (rela);
break;
}
tags = start + sizeof (* external);
cu_offset = start - section_begin;
start += compunit.cu_length + sizeof (external->cu_length);