1 /* Check compatibility of CET-enabled executable with dlopened legacy
2    shared object.
3    Copyright (C) 2019-2022 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 
22 static int called = 0;
23 
24 static void
25 __attribute__ ((constructor))
init(void)26 init (void)
27 {
28   called = 1;
29 }
30 
31 void
foo(void)32 foo (void)
33 {
34   if (!called)
35     abort ();
36 }
37