1 /* Test program for dwelf_elf_gnu_debuglink, print name and crc.
2 Copyright (C) 2014 Red Hat, Inc.
3 This file is part of elfutils.
4
5 This file is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
9
10 elfutils is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17
18 #include <config.h>
19 #include <assert.h>
20 #include <inttypes.h>
21 #include <errno.h>
22 #include ELFUTILS_HEADER(dwelf)
23 #include <stdio.h>
24 #include <string.h>
25 #include <stdlib.h>
26 #include <sys/types.h>
27 #include <sys/stat.h>
28 #include <fcntl.h>
29 #include <unistd.h>
30 #include "system.h"
31
32 int
main(int argc,char * argv[])33 main (int argc, char *argv[])
34 {
35 if (argc < 2)
36 error (EXIT_FAILURE, 0, "No input file given");
37
38 elf_version (EV_CURRENT);
39
40 for (int i = 1; i < argc; i++)
41 {
42 const char *file = argv[i];
43 int fd = open (file, O_RDONLY);
44 if (fd < 0)
45 error (EXIT_FAILURE, errno, "couldn't open file '%s'", file);
46
47 Elf *elf = elf_begin (fd, ELF_C_READ, NULL);
48 if (elf == NULL)
49 error (EXIT_FAILURE, 0, "elf_begin failed for '%s': %s",
50 file, elf_errmsg (-1));
51
52 GElf_Word crc;
53 const char *debug = dwelf_elf_gnu_debuglink (elf, &crc);
54 if (debug == NULL)
55 printf ("%s: <no gnu_debuglink file>\n", file);
56 else
57 printf ("%s: %s, crc: %" PRIx32 "\n", file, debug, crc);
58
59 elf_end (elf);
60 close (fd);
61 }
62
63 return 0;
64 }
65