|
Packit Service |
97d2fb |
/* Update additional symbol version definition information.
|
|
Packit Service |
97d2fb |
Copyright (C) 2001, 2002, 2015 Red Hat, Inc.
|
|
Packit Service |
97d2fb |
This file is part of elfutils.
|
|
Packit Service |
97d2fb |
Written by Ulrich Drepper <drepper@redhat.com>, 2001.
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
This file is free software; you can redistribute it and/or modify
|
|
Packit Service |
97d2fb |
it under the terms of either
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
* the GNU Lesser General Public License as published by the Free
|
|
Packit Service |
97d2fb |
Software Foundation; either version 3 of the License, or (at
|
|
Packit Service |
97d2fb |
your option) any later version
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
or
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
* the GNU General Public License as published by the Free
|
|
Packit Service |
97d2fb |
Software Foundation; either version 2 of the License, or (at
|
|
Packit Service |
97d2fb |
your option) any later version
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
or both in parallel, as here.
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
elfutils is distributed in the hope that it will be useful, but
|
|
Packit Service |
97d2fb |
WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
Packit Service |
97d2fb |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Packit Service |
97d2fb |
General Public License for more details.
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
You should have received copies of the GNU General Public License and
|
|
Packit Service |
97d2fb |
the GNU Lesser General Public License along with this program. If
|
|
Packit Service |
97d2fb |
not, see <http://www.gnu.org/licenses/>. */
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
#ifdef HAVE_CONFIG_H
|
|
Packit Service |
97d2fb |
# include <config.h>
|
|
Packit Service |
97d2fb |
#endif
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
#include <assert.h>
|
|
Packit Service |
97d2fb |
#include <gelf.h>
|
|
Packit Service |
97d2fb |
#include <string.h>
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
#include "libelfP.h"
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
int
|
|
Packit Service |
97d2fb |
gelf_update_verdaux (Elf_Data *data, int offset, GElf_Verdaux *src)
|
|
Packit Service |
97d2fb |
{
|
|
Packit Service |
97d2fb |
Elf_Data_Scn *data_scn = (Elf_Data_Scn *) data;
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
if (data == NULL)
|
|
Packit Service |
97d2fb |
return 0;
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
/* The types for 32 and 64 bit are the same. Lucky us. */
|
|
Packit Service |
97d2fb |
assert (sizeof (GElf_Verdaux) == sizeof (Elf32_Verdaux));
|
|
Packit Service |
97d2fb |
assert (sizeof (GElf_Verdaux) == sizeof (Elf64_Verdaux));
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
/* Check whether we have to resize the data buffer. */
|
|
Packit Service |
97d2fb |
if (unlikely (offset < 0)
|
|
Packit Service |
97d2fb |
|| unlikely ((offset + sizeof (GElf_Verdaux)) > data_scn->d.d_size))
|
|
Packit Service |
97d2fb |
{
|
|
Packit Service |
97d2fb |
__libelf_seterrno (ELF_E_INVALID_INDEX);
|
|
Packit Service |
97d2fb |
return 0;
|
|
Packit Service |
97d2fb |
}
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
if (unlikely (data_scn->d.d_type != ELF_T_VDEF))
|
|
Packit Service |
97d2fb |
{
|
|
Packit Service |
97d2fb |
/* The type of the data better should match. */
|
|
Packit Service |
97d2fb |
__libelf_seterrno (ELF_E_DATA_MISMATCH);
|
|
Packit Service |
97d2fb |
return 0;
|
|
Packit Service |
97d2fb |
}
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
rwlock_wrlock (data_scn->s->elf->lock);
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
memcpy ((char *) data_scn->d.d_buf + offset, src, sizeof (GElf_Verdaux));
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
/* Mark the section as modified. */
|
|
Packit Service |
97d2fb |
data_scn->s->flags |= ELF_F_DIRTY;
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
rwlock_unlock (data_scn->s->elf->lock);
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
return 1;
|
|
Packit Service |
97d2fb |
}
|