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 CodeProfile_h 27#define CodeProfile_h 28 29#include "SourceCode.h" 30#include "TieredMMapArray.h" 31#include <wtf/text/CString.h> 32 33namespace JSC { 34 35class CodeProfile { 36 WTF_MAKE_FAST_ALLOCATED; 37public: 38 CodeProfile(const SourceCode& source, CodeProfile* parent) 39 : m_file(source.provider()->url().utf8()) 40 , m_lineNo(source.firstLine()) 41 , m_parent(parent) 42 { 43 if (parent) 44 parent->addChild(this); 45 } 46 47 void sample(void* pc, void** framePointer); 48 void report(); 49 50 CodeProfile* parent() 51 { 52 return m_parent; 53 } 54 55 void addChild(CodeProfile* child) 56 { 57 m_children.append(adoptPtr(child)); 58 } 59 60private: 61 enum CodeType { 62 EngineCode, 63 GlobalThunk, 64 RegExpCode, 65 DFGJIT, 66 BaselineOnly, 67 BaselineProfile, 68 BaselineOSR, 69 EngineFrame, 70 NumberOfCodeTypes 71 }; 72 struct CodeRecord { 73 CodeRecord(void* pc, CodeType type) 74 : pc(pc) 75 , type(type) 76 { 77 } 78 void* pc; 79 CodeType type; 80 }; 81 82 CString m_file; 83 unsigned m_lineNo; 84 CodeProfile* m_parent; 85 Vector< OwnPtr<CodeProfile> > m_children; 86 TieredMMapArray<CodeRecord> m_samples; 87 88 static const char* s_codeTypeNames[NumberOfCodeTypes]; 89}; 90 91} 92 93#endif // CodeProfile_h 94 95