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/*
* Copyright (C) 2012-2023 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.
*/
#pragma once
#if ENABLE(JIT)
#include "AdaptiveInferredPropertyValueWatchpointBase.h"
#include "CodeBlock.h"
#include "ObjectPropertyCondition.h"
#include "PackedCellPtr.h"
#include "Watchpoint.h"
#include <wtf/Bag.h>
#include <wtf/Noncopyable.h>
#include <wtf/TZoneMalloc.h>
namespace JSC {
class CodeBlock;
class StructureStubInfo;
class StructureStubInfoClearingWatchpoint final : public Watchpoint {
WTF_MAKE_NONCOPYABLE(StructureStubInfoClearingWatchpoint);
WTF_MAKE_TZONE_ALLOCATED(StructureStubInfoClearingWatchpoint);
public:
StructureStubInfoClearingWatchpoint(CodeBlock* owner, StructureStubInfo& stubInfo)
: Watchpoint(Watchpoint::Type::StructureStubInfoClearing)
, m_owner(owner)
, m_stubInfo(stubInfo)
{
}
~StructureStubInfoClearingWatchpoint();
void fireInternal(VM&, const FireDetail&);
private:
PackedCellPtr<CodeBlock> m_owner;
StructureStubInfo& m_stubInfo;
};
class StructureTransitionStructureStubClearingWatchpoint final : public Watchpoint {
WTF_MAKE_NONCOPYABLE(StructureTransitionStructureStubClearingWatchpoint);
WTF_MAKE_TZONE_ALLOCATED(StructureTransitionStructureStubClearingWatchpoint);
public:
StructureTransitionStructureStubClearingWatchpoint(PolymorphicAccessJITStubRoutine* owner, const ObjectPropertyCondition& key, WatchpointSet& watchpointSet)
: Watchpoint(Watchpoint::Type::StructureTransitionStructureStubClearing)
, m_owner(owner)
, m_watchpointSet(watchpointSet)
, m_key(key)
{
}
void fireInternal(VM&, const FireDetail&);
private:
PolymorphicAccessJITStubRoutine* m_owner;
Ref<WatchpointSet> m_watchpointSet;
ObjectPropertyCondition m_key;
};
class AdaptiveValueStructureStubClearingWatchpoint final : public AdaptiveInferredPropertyValueWatchpointBase {
using Base = AdaptiveInferredPropertyValueWatchpointBase;
WTF_MAKE_NONCOPYABLE(AdaptiveValueStructureStubClearingWatchpoint);
WTF_MAKE_TZONE_ALLOCATED(AdaptiveValueStructureStubClearingWatchpoint);
void handleFire(VM&, const FireDetail&) final;
public:
AdaptiveValueStructureStubClearingWatchpoint(PolymorphicAccessJITStubRoutine* owner, const ObjectPropertyCondition& key, WatchpointSet& watchpointSet)
: Base(key)
, m_owner(owner)
, m_watchpointSet(watchpointSet)
{
RELEASE_ASSERT(key.condition().kind() == PropertyCondition::Equivalence);
}
private:
PolymorphicAccessJITStubRoutine* m_owner;
Ref<WatchpointSet> m_watchpointSet;
};
} // namespace JSC
#endif // ENABLE(JIT)
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