1 /* Copyright (C) 2008 Red Hat, Inc.
2 This file is part of elfutils.
3
4 This file is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
8
9 elfutils is distributed in the hope that it will be useful, but
10 WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
16
17 #ifdef HAVE_CONFIG_H
18 # include <config.h>
19 #endif
20
21 #include <errno.h>
22 #include <fcntl.h>
23 #include <gelf.h>
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include "system.h"
27
28 int
main(int argc,char * argv[])29 main (int argc, char *argv[])
30 {
31 if (argc < 2)
32 error (1, 0, "Usage: %s FILE OFFSET", argv[0]);
33
34 /* Set the ELF version. */
35 elf_version (EV_CURRENT);
36
37 /* Open the archive. */
38 int fd = open (argv[1], O_RDONLY);
39 if (fd < 0)
40 error (1, errno, "cannot open '%s'", argv[1]);
41
42 Elf *elf = elf_begin (fd, ELF_C_READ, NULL);
43 if (elf == NULL)
44 error (2, 0, "elf_begin: %s", elf_errmsg (-1));
45
46 Elf_Scn *scn = gelf_offscn (elf, strtoull (argv[2], NULL, 0));
47 if (scn == NULL)
48 error (3, 0, "gelf_offscn: %s", elf_errmsg (-1));
49
50 elf_end (elf);
51 return 0;
52 }
53