1/*
2 * Copyright (C) 2012-2018 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 "ExitKind.h"
29#include "JSCJSValue.h"
30#include "ProfilerCompilationKind.h"
31#include "ProfilerCompiledBytecode.h"
32#include "ProfilerExecutionCounter.h"
33#include "ProfilerJettisonReason.h"
34#include "ProfilerOSRExit.h"
35#include "ProfilerOSRExitSite.h"
36#include "ProfilerOriginStack.h"
37#include "ProfilerProfiledBytecodes.h"
38#include "ProfilerUID.h"
39#include <wtf/RefCounted.h>
40#include <wtf/SegmentedVector.h>
41
42namespace JSC {
43
44class FireDetail;
45
46namespace Profiler {
47
48class Bytecodes;
49class Database;
50
51// Represents the act of executing some bytecodes in some engine, and does
52// all of the counting for those executions.
53
54class Compilation : public RefCounted<Compilation> {
55public:
56 Compilation(Bytecodes*, CompilationKind);
57 ~Compilation();
58
59 void addProfiledBytecodes(Database&, CodeBlock*);
60 unsigned profiledBytecodesSize() const { return m_profiledBytecodes.size(); }
61 const ProfiledBytecodes& profiledBytecodesAt(unsigned i) const { return m_profiledBytecodes[i]; }
62
63 void noticeInlinedGetById() { m_numInlinedGetByIds++; }
64 void noticeInlinedPutById() { m_numInlinedPutByIds++; }
65 void noticeInlinedCall() { m_numInlinedCalls++; }
66
67 Bytecodes* bytecodes() const { return m_bytecodes; }
68 CompilationKind kind() const { return m_kind; }
69
70 void addDescription(const CompiledBytecode&);
71 void addDescription(const OriginStack&, const CString& description);
72 ExecutionCounter* executionCounterFor(const OriginStack&);
73 void addOSRExitSite(const Vector<MacroAssemblerCodePtr<JSInternalPtrTag>>& codeAddresses);
74 OSRExit* addOSRExit(unsigned id, const OriginStack&, ExitKind, bool isWatchpoint);
75
76 void setJettisonReason(JettisonReason, const FireDetail*);
77
78 UID uid() const { return m_uid; }
79
80 void dump(PrintStream&) const;
81 JSValue toJS(JSGlobalObject*) const;
82
83private:
84 CompilationKind m_kind;
85 Bytecodes* m_bytecodes;
86 Vector<ProfiledBytecodes> m_profiledBytecodes;
87 Vector<CompiledBytecode> m_descriptions;
88 HashMap<OriginStack, std::unique_ptr<ExecutionCounter>> m_counters;
89 Vector<OSRExitSite> m_osrExitSites;
90 SegmentedVector<OSRExit> m_osrExits;
91 unsigned m_numInlinedGetByIds;
92 unsigned m_numInlinedPutByIds;
93 unsigned m_numInlinedCalls;
94 JettisonReason m_jettisonReason;
95 CString m_additionalJettisonReason;
96 UID m_uid;
97};
98
99} } // namespace JSC::Profiler
100