1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2002 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#pragma ident	"@(#)getshnum.c	1.2	05/06/08 SMI"
28
29#include <string.h>
30#include <gelf.h>
31#include <decl.h>
32#include <msg.h>
33
34
35int
36elf_getshnum(Elf *elf, size_t *shnum)
37{
38	GElf_Ehdr	ehdr;
39	Elf_Scn		*scn;
40	GElf_Shdr	shdr0;
41
42	if (gelf_getehdr(elf, &ehdr) == 0)
43		return (0);
44	if (ehdr.e_shnum > 0) {
45		*shnum = ehdr.e_shnum;
46		return (1);
47	}
48	if ((ehdr.e_shnum == 0) && (ehdr.e_shoff == 0)) {
49		*shnum = 0;
50		return (1);
51	}
52	if ((scn = elf_getscn(elf, 0)) == 0)
53		return (0);
54	if (gelf_getshdr(scn, &shdr0) == 0)
55		return (0);
56	*shnum = shdr0.sh_size;
57	return (1);
58}
59