mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-24 02:03:35 +08:00
56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
/* Check compatibility of CET-enabled executable with dlopened legacy
|
|
shared object.
|
|
Copyright (C) 2018-2023 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>
|
|
#include <string.h>
|
|
|
|
#include <support/check.h>
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
static const char modname[] = "tst-cet-legacy-mod-4.so";
|
|
int (*fp) (void);
|
|
void *h;
|
|
|
|
h = dlopen (modname, RTLD_LAZY);
|
|
if (h == NULL)
|
|
{
|
|
const char *err = dlerror ();
|
|
if (!strstr (err, "rebuild shared object with IBT support enabled"))
|
|
FAIL_EXIT1 ("incorrect dlopen '%s' error: %s\n", modname, err);
|
|
return 0;
|
|
}
|
|
|
|
fp = dlsym (h, "test");
|
|
if (fp == NULL)
|
|
FAIL_EXIT1 ("cannot get symbol 'test': %s\n", dlerror ());
|
|
|
|
if (fp () != 0)
|
|
FAIL_EXIT1 ("test () != 0");
|
|
|
|
dlclose (h);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|