getshstrndx.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2002 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <string.h>
#include <gelf.h>
#include <decl.h>
#include <msg.h>
int
elf_getshstrndx(Elf *elf, size_t *shstrndx)
{
GElf_Ehdr ehdr;
Elf_Scn *scn;
GElf_Shdr shdr0;
if (gelf_getehdr(elf, &ehdr) == 0)
return (0);
if (ehdr.e_shstrndx != SHN_XINDEX) {
*shstrndx = ehdr.e_shstrndx;
return (1);
}
if ((scn = elf_getscn(elf, 0)) == 0)
return (0);
if (gelf_getshdr(scn, &shdr0) == 0)
return (0);
*shstrndx = shdr0.sh_link;
return (1);
}