1/*
2 * Copyright (C) 2012, 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 ProfilerCompilation_h
27#define ProfilerCompilation_h
28
29#include "ExitKind.h"
30#include "JSCJSValue.h"
31#include "ProfilerCompilationKind.h"
32#include "ProfilerCompiledBytecode.h"
33#include "ProfilerExecutionCounter.h"
34#include "ProfilerJettisonReason.h"
35#include "ProfilerOSRExit.h"
36#include "ProfilerOSRExitSite.h"
37#include "ProfilerOriginStack.h"
38#include "ProfilerProfiledBytecodes.h"
39#include <wtf/RefCounted.h>
40#include <wtf/SegmentedVector.h>
41
42namespace JSC { namespace Profiler {
43
44class Bytecodes;
45class Database;
46
47// Represents the act of executing some bytecodes in some engine, and does
48// all of the counting for those executions.
49
50class Compilation : public RefCounted<Compilation> {
51public:
52    Compilation(Bytecodes*, CompilationKind);
53    ~Compilation();
54
55    void addProfiledBytecodes(Database&, CodeBlock*);
56    unsigned profiledBytecodesSize() const { return m_profiledBytecodes.size(); }
57    const ProfiledBytecodes& profiledBytecodesAt(unsigned i) const { return m_profiledBytecodes[i]; }
58
59    void noticeInlinedGetById() { m_numInlinedGetByIds++; }
60    void noticeInlinedPutById() { m_numInlinedPutByIds++; }
61    void noticeInlinedCall() { m_numInlinedCalls++; }
62
63    Bytecodes* bytecodes() const { return m_bytecodes; }
64    CompilationKind kind() const { return m_kind; }
65
66    void addDescription(const CompiledBytecode&);
67    void addDescription(const OriginStack&, const CString& description);
68    ExecutionCounter* executionCounterFor(const OriginStack&);
69    void addOSRExitSite(const Vector<const void*>& codeAddresses);
70    OSRExit* addOSRExit(unsigned id, const OriginStack&, ExitKind, bool isWatchpoint);
71
72    void setJettisonReason(JettisonReason jettisonReason)
73    {
74        m_jettisonReason = jettisonReason;
75    }
76
77    JSValue toJS(ExecState*) const;
78
79private:
80    Bytecodes* m_bytecodes;
81    CompilationKind m_kind;
82    JettisonReason m_jettisonReason;
83    Vector<ProfiledBytecodes> m_profiledBytecodes;
84    Vector<CompiledBytecode> m_descriptions;
85    HashMap<OriginStack, std::unique_ptr<ExecutionCounter>> m_counters;
86    Vector<OSRExitSite> m_osrExitSites;
87    SegmentedVector<OSRExit> m_osrExits;
88    unsigned m_numInlinedGetByIds;
89    unsigned m_numInlinedPutByIds;
90    unsigned m_numInlinedCalls;
91};
92
93} } // namespace JSC::Profiler
94
95#endif // ProfilerCompilation_h
96
97