/* Test CET property note parser for [BZ #23467].

   Copyright (C) 2018 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

   <http://www.gnu.org/licenses/>.  */

#include <stdlib.h>

#include <stdio.h>

#include <string.h>

#include <signal.h>

#include <support/check.h>

extern void bar (void);

void

__attribute__ ((noclone, noinline))

test (void (*func_p) (void))

{

  func_p ();

}

/* bar contains an IBT violation if it is called indirectly via a

   function pointer.  On IBT machines, it should lead to segfault

   unless IBT is disabled by error.  */

static void

sig_handler (int signo)

{

  exit (EXIT_SUCCESS);

}

static int

do_test (void)

{

  char buf[20];

  if (scanf ("%20s", buf) != 1)

    FAIL_UNSUPPORTED ("IBT not supported");

  if (strcmp (buf, "IBT") != 0)

    FAIL_UNSUPPORTED ("IBT not supported");

  TEST_VERIFY_EXIT (signal (SIGSEGV, &sig_handler) != SIG_ERR);

  /* Call bar via a function pointer to force an IBT violation.  */

  test (bar);

  return EXIT_FAILURE;

}

#include <support/test-driver.c>