/* dlopen test for PIE objects.

   Copyright (C) 2019 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/>.  */

/* This test attempts to open the (otherwise unrelated) PIE test

   program elf/tst-pie1 and expects the attempt to fail.  */

#include <dlfcn.h>

#include <stddef.h>

#include <string.h>

#include <support/check.h>

#include <support/support.h>

static void

test_mode (int mode)

{

  char *pie_path = xasprintf ("%s/elf/tst-pie1", support_objdir_root);

  if (dlopen (pie_path, mode) != NULL)

    FAIL_EXIT1 ("dlopen succeeded unexpectedly (%d)", mode);

  const char *message = dlerror ();

  const char *expected

    = "cannot dynamically load position-independent executable";

  if (strstr (message, expected) == NULL)

    FAIL_EXIT1 ("unexpected error message (mode %d): %s", mode, message);

}

static int

do_test (void)

{

  test_mode (RTLD_LAZY);

  test_mode (RTLD_NOW);

  return 0;

}

#include <support/test-driver.c>