1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/*
* Copyright (C) 2012 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef CodeProfile_h
#define CodeProfile_h
#include "SourceCode.h"
#include "TieredMMapArray.h"
#include <wtf/text/CString.h>
namespace JSC {
class CodeProfile {
public:
CodeProfile(const SourceCode& source, CodeProfile* parent)
: m_file(source.provider()->url().utf8())
, m_lineNo(source.firstLine())
, m_parent(parent)
{
if (parent)
parent->addChild(this);
}
void sample(void* pc, void** framePointer);
void report();
CodeProfile* parent()
{
return m_parent;
}
void addChild(CodeProfile* child)
{
m_children.append(adoptPtr(child));
}
private:
enum CodeType {
EngineCode,
GlobalThunk,
RegExpCode,
DFGJIT,
BaselineOnly,
BaselineProfile,
BaselineOSR,
EngineFrame,
NumberOfCodeTypes
};
struct CodeRecord {
CodeRecord(void* pc, CodeType type)
: pc(pc)
, type(type)
{
}
void* pc;
CodeType type;
};
CString m_file;
unsigned m_lineNo;
CodeProfile* m_parent;
Vector< OwnPtr<CodeProfile> > m_children;
TieredMMapArray<CodeRecord> m_samples;
static const char* s_codeTypeNames[NumberOfCodeTypes];
};
}
#endif // CodeProfile_h
|
