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/*
* Copyright (C) 2017-2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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 APPLE INC. ``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 APPLE INC. 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 "config.h"
#include "MacroAssembler.h" // Have to break with style because AbstractMacroAssembler.h is a shady header.
#if ENABLE(ASSEMBLER)
#include <wtf/CryptographicallyRandomNumber.h>
#include <wtf/PrintStream.h>
namespace JSC {
void AbstractMacroAssemblerBase::initializeRandom()
{
// No strong cryptographic characteristics are necessary.
static std::once_flag onceKey;
static uint32_t globalCounter;
std::call_once(onceKey, [&] {
globalCounter = cryptographicallyRandomNumber<uint32_t>();
});
ASSERT(!m_randomSource);
m_randomSource.emplace(globalCounter++);
}
}
namespace WTF {
void printInternal(PrintStream& out, JSC::AbstractMacroAssemblerBase::StatusCondition condition)
{
switch (condition) {
case JSC::AbstractMacroAssemblerBase::Success:
out.print("Success");
return;
case JSC::AbstractMacroAssemblerBase::Failure:
out.print("Failure");
return;
}
RELEASE_ASSERT_NOT_REACHED();
}
} // namespace WTF
#endif // ENABLE(ASSEMBLER)
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