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/*
* Copyright (C) 2015 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 "DFGAdaptiveInferredPropertyValueWatchpoint.h"
#if ENABLE(DFG_JIT)
#include "CodeBlock.h"
#include "DFGCommon.h"
#include <wtf/TZoneMallocInlines.h>
namespace JSC { namespace DFG {
WTF_MAKE_TZONE_ALLOCATED_IMPL(AdaptiveInferredPropertyValueWatchpoint);
AdaptiveInferredPropertyValueWatchpoint::AdaptiveInferredPropertyValueWatchpoint(const ObjectPropertyCondition& key, CodeBlock* codeBlock)
: Base(key)
, m_codeBlock(codeBlock)
{
}
void AdaptiveInferredPropertyValueWatchpoint::initialize(const ObjectPropertyCondition& key, CodeBlock* codeBlock)
{
Base::initialize(key);
m_codeBlock = codeBlock;
}
void AdaptiveInferredPropertyValueWatchpoint::handleFire(VM&, const FireDetail& detail)
{
dataLogLnIf(DFG::shouldDumpDisassembly(), "Firing watchpoint ", RawPointer(this), " (", key(), ") on ", *m_codeBlock);
auto lambda = scopedLambda<void(PrintStream&)>([&](PrintStream& out) {
out.print("Adaptation of ", key(), " failed: ", detail);
});
LazyFireDetail lazyDetail(lambda);
m_codeBlock->jettison(Profiler::JettisonDueToUnprofiledWatchpoint, CountReoptimization, &lazyDetail);
}
bool AdaptiveInferredPropertyValueWatchpoint::isValid() const
{
ASSERT(!m_codeBlock->wasDestructed());
return !m_codeBlock->isPendingDestruction();
}
} } // namespace JSC::DFG
#endif // ENABLE(DFG_JIT)
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