1/* Check that legacy shadow stack code in init_array won't trigger
2 segfault.
3 Copyright (C) 2023-2024 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <https://www.gnu.org/licenses/>. */
19
20#include <stdlib.h>
21#include <support/test-driver.h>
22
23/* Check that legacy shadow stack code in init_array won't trigger
24 segfault. */
25extern void legacy (void);
26int done;
27
28void
29legacy_1 (void)
30{
31 legacy ();
32 done = 1;
33}
34
35void (*init_array []) (void)
36 __attribute__ ((section (".init_array"), aligned (sizeof (void *)))) =
37{
38 &legacy_1
39};
40
41static int
42do_test (void)
43{
44 return EXIT_SUCCESS;
45}
46
47#include <support/test-driver.c>
48

source code of glibc/sysdeps/x86_64/tst-shstk-legacy-1d.c