aosp12/bionic/tests/sys_auxv_test.cpp

58 lines
2.1 KiB
C++

/*
* Copyright (C) 2020 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <gtest/gtest.h>
#include <sys/auxv.h>
TEST(sys_auxv, getauxval_HWCAP) {
__attribute__((__unused__)) unsigned long hwcap = getauxval(AT_HWCAP);
// Check that the constants for *using* AT_HWCAP are also available.
#if defined(__arm__)
ASSERT_NE(0, HWCAP_THUMB);
#elif defined(__aarch64__)
ASSERT_NE(0, HWCAP_FP);
#endif
}
TEST(sys_auxv, getauxval_HWCAP2) {
#if defined(AT_HWCAP2)
__attribute__((__unused__)) unsigned long hwcap = getauxval(AT_HWCAP2);
// Check that the constants for *using* AT_HWCAP2 are also available.
#if defined(__arm__)
ASSERT_NE(0, HWCAP2_AES);
#elif defined(__aarch64__)
ASSERT_NE(0, HWCAP2_SVE2);
#endif
#else
GTEST_SKIP() << "No AT_HWCAP2 for this architecture.";
#endif
}