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* readelf.c (dump_relocations): Print "bad symbol index" if 

symtab == NULL with non-zero symtab_index.
	(process_relocs): Don't bomb if reloc section has no symsec.
This commit is contained in:
Alan Modra 2001-06-25 03:30:26 +00:00
parent 866b34001a
commit af3fc3bcb3
2 changed files with 46 additions and 35 deletions
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6
binutils/ChangeLog
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@ -1,3 +1,9 @@
2001-06-25 Alan Modra <amodra@bigpond.net.au>
* readelf.c (dump_relocations): Print "bad symbol index" if
symtab == NULL with non-zero symtab_index.
(process_relocs): Don't bomb if reloc section has no symsec.
2001-06-24 H.J. Lu <hjl@gnu.org>
* objcopy.c (strip_main): Revert the change made on 2001-05-30

75
binutils/readelf.c
View File

@ -964,31 +964,28 @@ dump_relocations (file, rel_offset, rel_size, symtab, nsyms, strtab, is_rela)
if (symtab_index)
{
if (symtab != NULL)
if (symtab == NULL || symtab_index >= nsyms)
printf (" bad symbol index: %08lx", (unsigned long) symtab_index);
else
{
if (symtab_index >= nsyms)
printf (" bad symbol index: %08lx", (unsigned long) symtab_index);
Elf_Internal_Sym * psym;
psym = symtab + symtab_index;
printf (" ");
print_vma (psym->st_value, LONG_HEX);
printf (" ");
if (psym->st_name == 0)
printf ("%-25.25s",
SECTION_NAME (section_headers + psym->st_shndx));
else if (strtab == NULL)
printf (_("<string table index %3ld>"), psym->st_name);
else
{
Elf_Internal_Sym * psym;
printf ("%-25.25s", strtab + psym->st_name);
psym = symtab + symtab_index;
printf (" ");
print_vma (psym->st_value, LONG_HEX);
printf (" ");
if (psym->st_name == 0)
printf ("%-25.25s",
SECTION_NAME (section_headers + psym->st_shndx));
else if (strtab == NULL)
printf (_("<string table index %3ld>"), psym->st_name);
else
printf ("%-25.25s", strtab + psym->st_name);
if (is_rela)
printf (" + %lx", (unsigned long) relas [i].r_addend);
}
if (is_rela)
printf (" + %lx", (unsigned long) relas [i].r_addend);
}
}
else if (is_rela)
@ -3073,7 +3070,6 @@ process_relocs (file)
if (rel_size)
{
Elf32_Internal_Shdr * strsec;
Elf32_Internal_Shdr * symsec;
Elf_Internal_Sym * symtab;
char * strtab;
int is_rela;
@ -3089,25 +3085,34 @@ process_relocs (file)
printf (_(" at offset 0x%lx contains %lu entries:\n"),
rel_offset, (unsigned long) (rel_size / section->sh_entsize));
symsec = section_headers + section->sh_link;
symtab = NULL;
strtab = NULL;
nsyms = 0;
if (section->sh_link)
{
Elf32_Internal_Shdr * symsec;
nsyms = symsec->sh_size / symsec->sh_entsize;
symtab = GET_ELF_SYMBOLS (file, symsec->sh_offset, nsyms);
symsec = section_headers + section->sh_link;
nsyms = symsec->sh_size / symsec->sh_entsize;
symtab = GET_ELF_SYMBOLS (file, symsec->sh_offset, nsyms);
if (symtab == NULL)
continue;
if (symtab == NULL)
continue;
strsec = section_headers + symsec->sh_link;
GET_DATA_ALLOC (strsec->sh_offset, strsec->sh_size, strtab,
char *, "string table");
strsec = section_headers + symsec->sh_link;
GET_DATA_ALLOC (strsec->sh_offset, strsec->sh_size, strtab,
char *, "string table");
}
is_rela = section->sh_type == SHT_RELA;
dump_relocations (file, rel_offset, rel_size, symtab, nsyms, strtab, is_rela);
dump_relocations (file, rel_offset, rel_size,
symtab, nsyms, strtab, is_rela);
free (strtab);
free (symtab);
if (strtab)
free (strtab);
if (symtab)
free (symtab);
found = 1;
}