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/* AArch64 tests for GCS for dlopen use case.
Copyright (C) 2025 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/>. */
#include "tst-gcs-helper.h"
#include <dlfcn.h>
#include <string.h>
static int
do_test (void)
{
/* Check if GCS could possible by enabled. */
if (!(getauxval (AT_HWCAP) & HWCAP_GCS))
{
puts ("kernel or CPU does not support GCS");
return EXIT_UNSUPPORTED;
}
/* The tst-gcs-mod2.so test library does not have GCS marking. */
void *h = dlopen ("tst-gcs-mod2.so", RTLD_NOW);
const char *err = dlerror ();
#if TEST_GCS_EXPECT_DLOPEN
TEST_VERIFY (h != NULL);
#else
TEST_VERIFY (h == NULL);
/* Only accept expected GCS-related errors. */
TEST_VERIFY (strstr (err, "not GCS compatible") != NULL);
#endif
#if TEST_GCS_EXPECT_ENABLED
TEST_VERIFY (__check_gcs_status ());
#else
TEST_VERIFY (!__check_gcs_status ());
#endif
if (h == NULL)
printf ("dlopen error: %s\n", err);
else
{
puts ("library loaded normally");
dlclose (h);
}
return 0;
}
#include <support/test-driver.c>
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