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50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
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/* dlopen test for PIE objects.
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Copyright (C) 2019 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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<http://www.gnu.org/licenses/>. */
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/* This test attempts to open the (otherwise unrelated) PIE test
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program elf/tst-pie1 and expects the attempt to fail. */
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#include <dlfcn.h>
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#include <stddef.h>
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#include <string.h>
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#include <support/check.h>
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#include <support/support.h>
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static void
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test_mode (int mode)
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{
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char *pie_path = xasprintf ("%s/elf/tst-pie1", support_objdir_root);
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if (dlopen (pie_path, mode) != NULL)
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FAIL_EXIT1 ("dlopen succeeded unexpectedly (%d)", mode);
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const char *message = dlerror ();
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const char *expected
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= "cannot dynamically load position-independent executable";
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if (strstr (message, expected) == NULL)
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FAIL_EXIT1 ("unexpected error message (mode %d): %s", mode, message);
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}
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static int
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do_test (void)
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{
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test_mode (RTLD_LAZY);
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test_mode (RTLD_NOW);
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return 0;
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}
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#include <support/test-driver.c>
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