/* SEC_MERGE support.
- Copyright 2001, 2002, 2003, 2004, 2005, 2006
+ Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007
Free Software Foundation, Inc.
Written by Jakub Jelinek <jakub@redhat.com>.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
/* This file contains support for merging duplicate entities within sections,
as used in ELF SHF_MERGE. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#include "hashtab.h"
#include "libiberty.h"
return NULL;
hashp = ((struct sec_merge_hash_entry *)
- sec_merge_hash_newfunc (NULL, &table->table, string));
+ bfd_hash_insert (&table->table, string, hash));
if (hashp == NULL)
return NULL;
- hashp->root.string = string;
- hashp->root.hash = hash;
hashp->len = len;
hashp->alignment = alignment;
- hashp->root.next = table->table.table[index];
- table->table.table[index] = (struct bfd_hash_entry *) hashp;
-
return hashp;
}
/* Read the section from abfd. */
- amt = sizeof (struct sec_merge_sec_info) + sec->size - 1;
+ amt = sizeof (struct sec_merge_sec_info) - 1 + sec->size;
+ if (sec->flags & SEC_STRINGS)
+ /* Some versions of gcc may emit a string without a zero terminator.
+ See http://gcc.gnu.org/ml/gcc-patches/2006-06/msg01004.html
+ Allocate space for an extra zero. */
+ amt += sec->entsize;
*psecinfo = bfd_alloc (abfd, amt);
if (*psecinfo == NULL)
goto error_return;
secinfo->first_str = NULL;
sec->rawsize = sec->size;
+ if (sec->flags & SEC_STRINGS)
+ memset (secinfo->contents + sec->size, 0, sec->entsize);
if (! bfd_get_section_contents (sec->owner, sec, secinfo->contents,
0, sec->size))
goto error_return;
with _bfd_merge_section. */
bfd_boolean
-_bfd_merge_sections (bfd *abfd ATTRIBUTE_UNUSED,
+_bfd_merge_sections (bfd *abfd,
struct bfd_link_info *info ATTRIBUTE_UNUSED,
void *xsinfo,
void (*remove_hook) (bfd *, asection *))
the hash table at all. */
for (secinfo = sinfo->chain; secinfo; secinfo = secinfo->next)
if (secinfo->first_str == NULL)
- secinfo->sec->flags |= SEC_EXCLUDE;
+ secinfo->sec->flags |= SEC_EXCLUDE | SEC_KEEP;
}
return TRUE;
secinfo = (struct sec_merge_sec_info *) psecinfo;
+ if (!secinfo)
+ return FALSE;
+
if (secinfo->first_str == NULL)
return TRUE;
secinfo = (struct sec_merge_sec_info *) psecinfo;
+ if (!secinfo)
+ return offset;
+
if (offset >= sec->rawsize)
{
if (offset > sec->rawsize)