blob: 887a98e34848185dddd16cdf105ed08add8955f1 (
plain)
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
64
|
/* Check compatibility of CET-enabled executable with dlopened legacy
shared object.
Copyright (C) 2018-2024 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 <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>
extern int in_dso_2 (void);
static int
do_test (void)
{
static const char modname[] = "tst-cet-legacy-mod-1.so";
int (*fp) (void);
void *h;
h = dlopen (modname, RTLD_LAZY);
if (h == NULL)
{
printf ("cannot open '%s': %s\n", modname, dlerror ());
exit (1);
}
fp = dlsym (h, "in_dso_1");
if (fp == NULL)
{
printf ("cannot get symbol 'in_dso': %s\n", dlerror ());
exit (1);
}
if (fp () != 0x1234678)
{
puts ("in_dso_1 () != 0x1234678");
exit (1);
}
if (in_dso_2 () != 0xbadbeef)
{
puts ("in_dso_2 () != 0xbadbeef");
exit (1);
}
dlclose (h);
return 0;
}
#include <support/test-driver.c>
|
