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 2004 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #include <string.h>
28 #include <libelf.h>
29 #include <gelf.h>
30
31 #include <util.h>
32
33 int
findelfsecidx(Elf * elf,char * tofind)34 findelfsecidx(Elf *elf, char *tofind)
35 {
36 Elf_Scn *scn = NULL;
37 GElf_Ehdr ehdr;
38 GElf_Shdr shdr;
39
40 if (gelf_getehdr(elf, &ehdr) == NULL)
41 elfdie("failed to get ELF header");
42
43 while ((scn = elf_nextscn(elf, scn)) != NULL) {
44 char *name;
45
46 if (gelf_getshdr(scn, &shdr) == NULL ||
47 (name = elf_strptr(elf, ehdr.e_shstrndx,
48 (size_t)shdr.sh_name)) == NULL)
49 elfdie("failed to get section header");
50
51 if (strcmp(name, tofind) == 0)
52 return (elf_ndxscn(scn));
53 }
54
55 return (-1);
56 }
57