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/* Check compatibility of CET-enabled executable with dlopened legacy
shared object.
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 <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>
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