1 /* Basic tests for DT_RELR.
2 Copyright (C) 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 #include <stdbool.h>
21 #include <array_length.h>
22 #include <support/check.h>
23
24 static int o, x;
25
26 #define ELEMS O O O O O O O O X X X X X X X O O X O O X X X E X E E O X O E
27 #define E 0,
28
29 #define O &o,
30 #define X &x,
31 void *arr[] = { ELEMS };
32 #undef O
33 #undef X
34
35 #define O 1,
36 #define X 2,
37 static char val[] = { ELEMS };
38
39 static int
do_test(void)40 do_test (void)
41 {
42 ElfW(Dyn) *d = _DYNAMIC;
43 if (d)
44 {
45 bool has_relr = false;
46 for (; d->d_tag != DT_NULL; d++)
47 if (d->d_tag == DT_RELR)
48 has_relr = true;
49
50 #if defined __PIE__ || defined __pie__ || defined PIE || defined pie
51 TEST_VERIFY (has_relr);
52 #else
53 TEST_VERIFY (!has_relr);
54 #endif
55 }
56
57 for (int i = 0; i < array_length (arr); i++)
58 TEST_VERIFY ((arr[i] == 0 && val[i] == 0)
59 || (arr[i] == &o && val[i] == 1)
60 || (arr[i] == &x && val[i] == 2));
61
62 return 0;
63 }
64
65 #include <support/test-driver.c>
66