blob: 2e2ee7a99f88453c708fb46a86e33408a43d9def [file] [log] [blame]
lh9ed821d2023-04-07 01:36:19 -07001/* Copyright (C) 2003-2015 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
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 <http://www.gnu.org/licenses/>. */
18
19#include <stdio.h>
20#include <stdlib.h>
21#include <unistd.h>
22#include <tls.h>
23
24
25static int i;
26int bar;
27
28static __thread void *foo [32 / sizeof (void *)]
29 __attribute__ ((tls_model ("initial-exec"), aligned (sizeof (void *))))
30 = { &i, &bar };
31
32void
33test1 (void)
34{
35 size_t s;
36
37 if (foo [0] != &i || foo [1] != &bar)
38 abort ();
39
40 foo [0] = NULL;
41 foo [1] = NULL;
42 for (s = 0; s < sizeof (foo) / sizeof (void *); ++s)
43 {
44 if (foo [s])
45 abort ();
46 foo [s] = &foo[s];
47 }
48}
49
50void
51test2 (void)
52{
53 size_t s;
54
55 for (s = 0; s < sizeof (foo) / sizeof (void *); ++s)
56 {
57 if (foo [s] != &foo [s])
58 abort ();
59 foo [s] = &foo [s ^ 1];
60 }
61}