1 /*
2 32.getshdr.c - implementation of the elf{32,64}_getshdr(3) functions.
3 Copyright (C) 1995 - 1998 Michael Riepe
4 
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
9 
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13 Library General Public License for more details.
14 
15 You should have received a copy of the GNU Library General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
18 */
19 
20 #include <private.h>
21 
22 #ifndef lint
23 static const char rcsid[] = "@(#) $Id: 32.getshdr.c,v 1.10 2008/05/23 08:15:34 michael Exp $";
24 #endif /* lint */
25 
26 Elf32_Shdr*
27 elf32_getshdr(Elf_Scn *scn) {
28     if (!scn) {
29 	return NULL;
30     }
31     elf_assert(scn->s_magic == SCN_MAGIC);
32     elf_assert(scn->s_elf);
33     elf_assert(scn->s_elf->e_magic == ELF_MAGIC);
34     if (scn->s_elf->e_class == ELFCLASS32) {
35 	return &scn->s_shdr32;
36     }
37     seterr(ERROR_CLASSMISMATCH);
38     return NULL;
39 }
40 
41 #if __LIBELF64
42 
43 Elf64_Shdr*
44 elf64_getshdr(Elf_Scn *scn) {
45     if (!scn) {
46 	return NULL;
47     }
48     elf_assert(scn->s_magic == SCN_MAGIC);
49     elf_assert(scn->s_elf);
50     elf_assert(scn->s_elf->e_magic == ELF_MAGIC);
51     if (scn->s_elf->e_class == ELFCLASS64) {
52 	return &scn->s_shdr64;
53     }
54     seterr(ERROR_CLASSMISMATCH);
55     return NULL;
56 }
57 
58 #endif /* __LIBELF64 */
59