bfd_size_type amt;
count = exec_hdr (abfd)->a_syms / EXTERNAL_NLIST_SIZE;
+ if (count == 0)
+ return TRUE; /* Nothing to do. */
#ifdef USE_MMAP
if (! bfd_get_file_window (abfd, obj_sym_filepos (abfd),
later on. If we put them on the objalloc it might not be
possible to free them. */
syms = bfd_malloc (count * EXTERNAL_NLIST_SIZE);
- if (syms == NULL && count != 0)
+ if (syms == NULL)
return FALSE;
amt = exec_hdr (abfd)->a_syms;
>> RELOC_EXT_BITS_TYPE_SH_LITTLE);
}
- cache_ptr->howto = howto_table_ext + r_type;
+ if (r_type < TABLE_SIZE (howto_table_ext))
+ cache_ptr->howto = howto_table_ext + r_type;
+ else
+ cache_ptr->howto = NULL;
/* Base relative relocs are always against the symbol table,
regardless of the setting of r_extern. r_extern just reflects
howto_idx = (r_length + 4 * r_pcrel + 8 * r_baserel
+ 16 * r_jmptable + 32 * r_relative);
- BFD_ASSERT (howto_idx < TABLE_SIZE (howto_table_std));
- cache_ptr->howto = howto_table_std + howto_idx;
- BFD_ASSERT (cache_ptr->howto->type != (unsigned int) -1);
+ if (howto_idx < TABLE_SIZE (howto_table_std))
+ {
+ cache_ptr->howto = howto_table_std + howto_idx;
+ if (cache_ptr->howto->type == (unsigned int) -1)
+ cache_ptr->howto = NULL;
+ }
+ else
+ cache_ptr->howto = NULL;
/* Base relative relocs are always against the symbol table,
regardless of the setting of r_extern. r_extern just reflects
return FALSE;
}
+ if (sym_count == 0)
+ return TRUE; /* Nothing to do. */
+
/* We keep a list of the linker hash table entries that correspond
to particular symbols. We could just look them up in the hash
table, but keeping the list is more efficient. Perhaps this
should be conditional on info->keep_memory. */
amt = sym_count * sizeof (struct aout_link_hash_entry *);
sym_hash = bfd_alloc (abfd, amt);
- if (sym_hash == NULL && sym_count != 0)
+ if (sym_hash == NULL)
return FALSE;
obj_aout_sym_hashes (abfd) = sym_hash;
howto_idx = (r_length + 4 * r_pcrel + 8 * r_baserel
+ 16 * r_jmptable + 32 * r_relative);
- BFD_ASSERT (howto_idx < TABLE_SIZE (howto_table_std));
- howto = howto_table_std + howto_idx;
+ if (howto_idx < TABLE_SIZE (howto_table_std))
+ howto = howto_table_std + howto_idx;
+ else
+ howto = NULL;
}
#endif
+ if (howto == NULL)
+ {
+ (*finfo->info->callbacks->einfo)
+ (_("%P: %B: unexpected relocation type\n"), input_bfd);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+
if (relocatable)
{
/* We are generating a relocatable output file, and must
r_addend = GET_SWORD (input_bfd, rel->r_addend);
- BFD_ASSERT (r_type < TABLE_SIZE (howto_table_ext));
+ if (r_type >= TABLE_SIZE (howto_table_ext))
+ {
+ (*finfo->info->callbacks->einfo)
+ (_("%P: %B: unexpected relocation type\n"), input_bfd);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
if (relocatable)
{
exec_hdr (abfd)->a_drsize / obj_reloc_entry_size (abfd);
/* Write out the string table, unless there are no symbols. */
+ if (bfd_seek (abfd, obj_str_filepos (abfd), SEEK_SET) != 0)
+ goto error_return;
if (abfd->symcount > 0)
{
- if (bfd_seek (abfd, obj_str_filepos (abfd), SEEK_SET) != 0
- || ! emit_stringtab (abfd, aout_info.strtab))
+ if (!emit_stringtab (abfd, aout_info.strtab))
goto error_return;
}
- else if (obj_textsec (abfd)->reloc_count == 0
- && obj_datasec (abfd)->reloc_count == 0)
+ else
{
- bfd_byte b;
- file_ptr pos;
+ bfd_byte b[BYTES_IN_WORD];
- b = 0;
- pos = obj_datasec (abfd)->filepos + exec_hdr (abfd)->a_data - 1;
- if (bfd_seek (abfd, pos, SEEK_SET) != 0
- || bfd_bwrite (&b, (bfd_size_type) 1, abfd) != 1)
+ memset (b, 0, BYTES_IN_WORD);
+ if (bfd_bwrite (b, (bfd_size_type) BYTES_IN_WORD, abfd) != BYTES_IN_WORD)
goto error_return;
}