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64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
/* Test CET property note parser for [BZ #23467].
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Copyright (C) 2018-2020 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 <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <signal.h>
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#include <support/check.h>
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extern void bar (void);
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void
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__attribute__ ((noclone, noinline))
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test (void (*func_p) (void))
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{
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func_p ();
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}
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/* bar contains an IBT violation if it is called indirectly via a
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function pointer. On IBT machines, it should lead to segfault
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unless IBT is disabled by error. */
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static void
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sig_handler (int signo)
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{
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exit (EXIT_SUCCESS);
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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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char buf[4];
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if (scanf ("%3s", buf) != 1)
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FAIL_UNSUPPORTED ("IBT not supported");
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if (strcmp (buf, "IBT") != 0)
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FAIL_UNSUPPORTED ("IBT not supported");
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TEST_VERIFY_EXIT (signal (SIGSEGV, &sig_handler) != SIG_ERR);
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/* Call bar via a function pointer to force an IBT violation. */
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test (bar);
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return EXIT_FAILURE;
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}
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#include <support/test-driver.c>
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