profiler/ProfilerCompilation.h

   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
  42 namespace JSC { namespace Profiler {
  43
  44 class Bytecodes;
  45 class Database;
  46
  47 // Represents the act of executing some bytecodes in some engine, and does
  48 // all of the counting for those executions.
  49
  50 class Compilation : public RefCounted<Compilation> {
  51 public:
  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
  79 private:
  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