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1 /*
2 * Copyright (C) 2012 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 #ifndef ClosureCallStubRoutine_h
27 #define ClosureCallStubRoutine_h
28
29 #include <wtf/Platform.h>
30
31 #if ENABLE(JIT)
32
33 #include "CodeOrigin.h"
34 #include "GCAwareJITStubRoutine.h"
35
36 namespace JSC {
37
38 class ClosureCallStubRoutine : public GCAwareJITStubRoutine {
39 public:
40 ClosureCallStubRoutine(
41 const MacroAssemblerCodeRef&, VM&, const JSCell* owner,
42 Structure*, ExecutableBase*, const CodeOrigin&);
43
44 virtual ~ClosureCallStubRoutine();
45
46 Structure* structure() const { return m_structure.get(); }
47 ExecutableBase* executable() const { return m_executable.get(); }
48 const CodeOrigin& codeOrigin() const { return m_codeOrigin; }
49
50 protected:
51 virtual void markRequiredObjectsInternal(SlotVisitor&);
52
53 private:
54 WriteBarrier<Structure> m_structure;
55 WriteBarrier<ExecutableBase> m_executable;
56 // This allows us to figure out who a call is linked to by searching through
57 // stub routines.
58 CodeOrigin m_codeOrigin;
59 };
60
61 } // namespace JSC
62
63 #endif // ENABLE(JIT)
64
65 #endif // ClosureCallStubRoutine_h
66