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/* dlopen test for PIE objects.
Copyright (C) 2019-2024 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
<https://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>
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