1/*
2 * Copyright (C) 2016 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "BytecodeStructs.h"
29#include "ObjectPropertyCondition.h"
30#include "PackedCellPtr.h"
31#include "Watchpoint.h"
32
33namespace JSC {
34
35class LLIntPrototypeLoadAdaptiveStructureWatchpoint final : public Watchpoint {
36public:
37 LLIntPrototypeLoadAdaptiveStructureWatchpoint(CodeBlock*, const ObjectPropertyCondition&, unsigned bytecodeOffset);
38
39 void install(VM&);
40
41 static void clearLLIntGetByIdCache(OpGetById::Metadata&);
42
43 const ObjectPropertyCondition& key() const { return m_key; }
44
45 void fireInternal(VM&, const FireDetail&);
46
47private:
48 // Own destructor may not be called. Keep members trivially destructible.
49 JSC_WATCHPOINT_FIELD(PackedCellPtr<CodeBlock>, m_owner);
50 JSC_WATCHPOINT_FIELD(Packed<unsigned>, m_bytecodeOffset);
51 JSC_WATCHPOINT_FIELD(ObjectPropertyCondition, m_key);
52};
53
54} // namespace JSC
55