1 | /* Copyright (C) 2003-2024 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <stddef.h> |
19 | #include <stdlib.h> |
20 | |
21 | static int i; |
22 | int bar; |
23 | |
24 | static __thread void *foo [32 / sizeof (void *)] |
25 | __attribute__ ((tls_model ("initial-exec" ), aligned (sizeof (void *)))) |
26 | = { &i, &bar }; |
27 | |
28 | void |
29 | test1 (void) |
30 | { |
31 | size_t s; |
32 | |
33 | if (foo [0] != &i || foo [1] != &bar) |
34 | abort (); |
35 | |
36 | foo [0] = NULL; |
37 | foo [1] = NULL; |
38 | for (s = 0; s < sizeof (foo) / sizeof (void *); ++s) |
39 | { |
40 | if (foo [s]) |
41 | abort (); |
42 | foo [s] = &foo[s]; |
43 | } |
44 | } |
45 | |
46 | void |
47 | test2 (void) |
48 | { |
49 | size_t s; |
50 | |
51 | for (s = 0; s < sizeof (foo) / sizeof (void *); ++s) |
52 | { |
53 | if (foo [s] != &foo [s]) |
54 | abort (); |
55 | foo [s] = &foo [s ^ 1]; |
56 | } |
57 | } |
58 | |