1 /* DT_AUDIT with modules with TLSDESC.
2 Copyright (C) 2021-2022 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 <support/check.h>
20 #include <support/xthread.h>
21 #include <support/xdlfcn.h>
22
23 static void *
thr_func(void * mod)24 thr_func (void *mod)
25 {
26 int* (*get_global1)(void) = xdlsym (mod, "get_global1");
27 int* (*get_global2)(void) = xdlsym (mod, "get_global2");
28 void (*set_global2)(int) = xdlsym (mod, "set_global2");
29 int* (*get_local1)(void) = xdlsym (mod, "get_local1");
30 int* (*get_local2)(void) = xdlsym (mod, "get_local2");
31
32 int *global1 = get_global1 ();
33 TEST_COMPARE (*global1, 0);
34 ++*global1;
35
36 int *global2 = get_global2 ();
37 TEST_COMPARE (*global2, 0);
38 ++*global2;
39 TEST_COMPARE (*global2, 1);
40
41 set_global2 (10);
42 TEST_COMPARE (*global2, 10);
43
44 int *local1 = get_local1 ();
45 TEST_COMPARE (*local1, 0);
46 ++*local1;
47
48 int *local2 = get_local2 ();
49 TEST_COMPARE (*local2, 0);
50 ++*local2;
51
52 return 0;
53 }
54
55 static int
do_test(void)56 do_test (void)
57 {
58 void *mod = xdlopen ("tst-audit-tlsdesc-mod1.so", RTLD_LAZY);
59
60 pthread_t thr = xpthread_create (NULL, thr_func, mod);
61 void *r = xpthread_join (thr);
62 TEST_VERIFY (r == NULL);
63
64 return 0;
65 }
66
67 #include <support/test-driver.c>
68