1 /*-
2 * Copyright (c) 2006,2008 Joseph Koshy
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #include <gelf.h>
28 #include <libelf.h>
29
30 #include "_libelf.h"
31
32 ELFTC_VCSID("$Id: libelf_shdr.c 3174 2015-03-27 17:13:41Z emaste $");
33
34 void *
_libelf_getshdr(Elf_Scn * s,int ec)35 _libelf_getshdr(Elf_Scn *s, int ec)
36 {
37 Elf *e;
38
39 if (s == NULL || (e = s->s_elf) == NULL ||
40 e->e_kind != ELF_K_ELF) {
41 LIBELF_SET_ERROR(ARGUMENT, 0);
42 return (NULL);
43 }
44
45 if (ec == ELFCLASSNONE)
46 ec = e->e_class;
47
48 if (ec != e->e_class) {
49 LIBELF_SET_ERROR(CLASS, 0);
50 return (NULL);
51 }
52
53 return ((void *) &s->s_shdr);
54 }
55