about summary refs log tree commit diff
path: root/sysdeps/x86_64/tst-shstk-legacy-1b.c
blob: 62943d724dfc83752f57c44e91acef786be10f35 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
/* Check that legacy shadow stack code will trigger segfault.
   Copyright (C) 2023-2024 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#include <stdlib.h>
#include <sys/platform/x86.h>
#include <support/test-driver.h>
#include <support/xsignal.h>

/* Check that legacy shadow stack code will trigger segfault.  */
extern void legacy (void);

static int
do_test (void)
{
  if (!CPU_FEATURE_ACTIVE (SHSTK))
    return EXIT_UNSUPPORTED;

  legacy ();
  return EXIT_FAILURE;
}

#define EXPECTED_SIGNAL (CPU_FEATURE_ACTIVE (SHSTK) ? SIGSEGV : 0)
#include <support/test-driver.c>