1/*
2 * Copyright (C) 2013, 2014 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 FTLJSCall_h
27#define FTLJSCall_h
28
29#if ENABLE(FTL_JIT)
30
31#include "CCallHelpers.h"
32#include "CallLinkInfo.h"
33#include "CodeOrigin.h"
34
35namespace JSC {
36
37class LinkBuffer;
38
39namespace DFG {
40struct Node;
41}
42
43namespace FTL {
44
45class JSCall {
46public:
47    JSCall();
48    JSCall(unsigned stackmapID, DFG::Node*);
49
50    void emit(CCallHelpers&);
51    void link(VM&, LinkBuffer&);
52
53    unsigned stackmapID() const { return m_stackmapID; }
54
55    bool operator<(const JSCall& other) const
56    {
57        return m_instructionOffset < other.m_instructionOffset;
58    }
59
60private:
61    unsigned m_stackmapID;
62    DFG::Node* m_node;
63    CCallHelpers::DataLabelPtr m_targetToCheck;
64    CCallHelpers::Call m_fastCall;
65    CCallHelpers::Call m_slowCall;
66    CallLinkInfo* m_callLinkInfo;
67
68public:
69    uint32_t m_instructionOffset;
70};
71
72} } // namespace JSC::FTL
73
74#endif // ENABLE(FTL_JIT)
75
76#endif // FTLJSCall_h
77
78