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#pragma once
27
28#include "SourceCode.h"
29#include "TieredMMapArray.h"
30#include <wtf/text/CString.h>
31
32namespace JSC {
33
34class CodeProfile {
35 WTF_MAKE_FAST_ALLOCATED;
36public:
37 CodeProfile(const SourceCode& source, CodeProfile* parent)
38 : m_file(String(source.provider()->url()).utf8())
39 , m_lineNumber(source.firstLine().oneBasedInt())
40 , m_parent(parent)
41 {
42 if (parent)
43 parent->addChild(std::unique_ptr<CodeProfile>(this));
44 }
45
46 void sample(void* pc, void** framePointer);
47 void report();
48
49 CodeProfile* parent()
50 {
51 return m_parent;
52 }
53
54 void addChild(std::unique_ptr<CodeProfile> child)
55 {
56 m_children.append(WTFMove(child));
57 }
58
59 enum CodeType {
60 EngineCode,
61 GlobalThunk,
62 RegExpCode,
63 DFGJIT,
64 BaselineOnly,
65 BaselineProfile,
66 BaselineOSR,
67 EngineFrame,
68 NumberOfCodeTypes
69 };
70
71private:
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_lineNumber;
84 CodeProfile* m_parent;
85 Vector<std::unique_ptr<CodeProfile>> m_children;
86 TieredMMapArray<CodeRecord> m_samples;
87};
88
89} // namespace JSC
90