65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
/* Check compatibility of CET-enabled executable with dlopened legacy
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shared object.
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Copyright (C) 2018-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <dlfcn.h>
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#include <stdio.h>
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#include <stdlib.h>
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extern int in_dso_2 (void);
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static int
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do_test (void)
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{
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static const char modname[] = "tst-cet-legacy-mod-1.so";
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int (*fp) (void);
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void *h;
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h = dlopen (modname, RTLD_LAZY);
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if (h == NULL)
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{
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printf ("cannot open '%s': %s\n", modname, dlerror ());
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exit (1);
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}
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fp = dlsym (h, "in_dso_1");
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if (fp == NULL)
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{
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printf ("cannot get symbol 'in_dso': %s\n", dlerror ());
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exit (1);
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}
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if (fp () != 0x1234678)
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{
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puts ("in_dso_1 () != 0x1234678");
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exit (1);
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}
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if (in_dso_2 () != 0xbadbeef)
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{
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puts ("in_dso_2 () != 0xbadbeef");
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exit (1);
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}
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dlclose (h);
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return 0;
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}
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#include <support/test-driver.c>
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