platform_bionic/tests/__aeabi_read_tp_test.cpp

/*
 * Copyright (C) 2019 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:
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 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
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 *    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,
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#include <gtest/gtest.h>

#include "platform/bionic/tls.h"

#if defined(__arm__)
extern "C" void* __aeabi_read_tp();
#endif

TEST(aeabi, read_tp) {
#if defined(__arm__)
  ASSERT_EQ(__aeabi_read_tp(), static_cast<void*>(__get_tls()));
#else
  GTEST_SKIP() << "__aeabi_read_tp is only available on arm32";
#endif
}