64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
/* Update symbol version information.
|
|
Copyright (C) 2001, 2002 Red Hat, Inc.
|
|
Written by Ulrich Drepper <drepper@redhat.com>, 2001.
|
|
|
|
This program is Open Source software; you can redistribute it and/or
|
|
modify it under the terms of the Open Software License version 1.0 as
|
|
published by the Open Source Initiative.
|
|
|
|
You should have received a copy of the Open Software License along
|
|
with this program; if not, you may obtain a copy of the Open Software
|
|
License version 1.0 from http://www.opensource.org/licenses/osl.php or
|
|
by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
|
|
3001 King Ranch Road, Ukiah, CA 95482. */
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif
|
|
|
|
#include <assert.h>
|
|
#include <gelf.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "libelfP.h"
|
|
|
|
|
|
int
|
|
gelf_update_versym (Elf_Data *data, int ndx, GElf_Versym *src)
|
|
{
|
|
Elf_Data_Scn *data_scn = (Elf_Data_Scn *) data;
|
|
|
|
if (data == NULL)
|
|
return 0;
|
|
|
|
/* The types for 32 and 64 bit are the same. Lucky us. */
|
|
assert (sizeof (GElf_Versym) == sizeof (Elf32_Versym));
|
|
assert (sizeof (GElf_Versym) == sizeof (Elf64_Versym));
|
|
|
|
/* Check whether we have to resize the data buffer. */
|
|
if (unlikely (ndx < 0)
|
|
|| unlikely ((ndx + 1) * sizeof (GElf_Versym) > data_scn->d.d_size))
|
|
{
|
|
__libelf_seterrno (ELF_E_INVALID_INDEX);
|
|
return 0;
|
|
}
|
|
|
|
if (unlikely (data_scn->d.d_type != ELF_T_HALF))
|
|
{
|
|
/* The type of the data better should match. */
|
|
__libelf_seterrno (ELF_E_DATA_MISMATCH);
|
|
return 0;
|
|
}
|
|
|
|
rwlock_wrlock (data_scn->s->elf->lock);
|
|
|
|
((GElf_Versym *) data_scn->d.d_buf)[ndx] = *src;
|
|
|
|
/* Mark the section as modified. */
|
|
data_scn->s->flags |= ELF_F_DIRTY;
|
|
|
|
rwlock_unlock (data_scn->s->elf->lock);
|
|
|
|
return 1;
|
|
}
|