blob: 28e77ac215a01b3314b982d3fb36fd0a3a36bc80 (
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
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/* Test CET property note parser for [BZ #23467].
Copyright (C) 2018-2020 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 <stdio.h>
#include <string.h>
#include <signal.h>
#include <support/check.h>
extern void bar (void);
void
__attribute__ ((noclone, noinline))
test (void (*func_p) (void))
{
func_p ();
}
/* bar contains an IBT violation if it is called indirectly via a
function pointer. On IBT machines, it should lead to segfault
unless IBT is disabled by error. */
static void
sig_handler (int signo)
{
exit (EXIT_SUCCESS);
}
static int
do_test (void)
{
char buf[4];
if (scanf ("%3s", buf) != 1)
FAIL_UNSUPPORTED ("IBT not supported");
if (strcmp (buf, "IBT") != 0)
FAIL_UNSUPPORTED ("IBT not supported");
TEST_VERIFY_EXIT (signal (SIGSEGV, &sig_handler) != SIG_ERR);
/* Call bar via a function pointer to force an IBT violation. */
test (bar);
return EXIT_FAILURE;
}
#include <support/test-driver.c>
|
