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f9bf01c6 1/*
6fe7ccc8 2 * Copyright (C) 2012 Apple Inc. All rights reserved.
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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
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26#ifndef JITThunks_h
27#define JITThunks_h
28
29#include <wtf/Platform.h>
f9bf01c6 30
6fe7ccc8 31#if ENABLE(JIT)
f9bf01c6 32
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33#include "CallData.h"
34#include "Intrinsic.h"
35#include "LowLevelInterpreter.h"
36#include "MacroAssemblerCodeRef.h"
37#include "ThunkGenerator.h"
38#include "Weak.h"
39#include "WeakInlines.h"
40#include <wtf/HashMap.h>
41#include <wtf/OwnPtr.h>
42#include <wtf/RefPtr.h>
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43
44namespace JSC {
45
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46class VM;
47class NativeExecutable;
48
49class JITThunks {
50public:
51 JITThunks();
52 ~JITThunks();
53
54 MacroAssemblerCodePtr ctiNativeCall(VM*);
55 MacroAssemblerCodePtr ctiNativeConstruct(VM*);
56
57 MacroAssemblerCodeRef ctiStub(VM*, ThunkGenerator);
58
59 NativeExecutable* hostFunctionStub(VM*, NativeFunction, NativeFunction constructor);
60 NativeExecutable* hostFunctionStub(VM*, NativeFunction, ThunkGenerator, Intrinsic);
61
62 void clearHostFunctionStubs();
63
64private:
65 typedef HashMap<ThunkGenerator, MacroAssemblerCodeRef> CTIStubMap;
66 CTIStubMap m_ctiStubMap;
67 typedef HashMap<std::pair<NativeFunction, NativeFunction>, Weak<NativeExecutable> > HostFunctionStubMap;
68 OwnPtr<HostFunctionStubMap> m_hostFunctionStubMap;
69};
f9bf01c6 70
6fe7ccc8 71} // namespace JSC
f9bf01c6 72
6fe7ccc8 73#endif // ENABLE(JIT)
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74
75#endif // JITThunks_h
76