1 /* BZ #16046 dl_iterate_phdr static executable test.
2 Copyright (C) 2014-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C 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 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19 #include <link.h>
20
21 /* Check that the link map of the static executable itself is iterated
22 over exactly once. */
23
24 static int
callback(struct dl_phdr_info * info,size_t size,void * data)25 callback (struct dl_phdr_info *info, size_t size, void *data)
26 {
27 int *count = data;
28
29 if (info->dlpi_name[0] == '\0')
30 (*count)++;
31
32 return 0;
33 }
34
35 static int
do_test(void)36 do_test (void)
37 {
38 int count = 0;
39 int status;
40
41 status = dl_iterate_phdr (callback, &count);
42
43 return status || count != 1;
44 }
45
46 #include <support/test-driver.c>
47