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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef SHARED_LIBRARIES_H_
#define SHARED_LIBRARIES_H_
#ifndef MOZ_ENABLE_PROFILER_SPS
#error This header does not have a useful implementation on your platform!
#endif
#include <algorithm>
#include <vector>
#include <string>
#include <stdlib.h>
#include <stdint.h>
#ifndef SPS_STANDALONE
#include <nsID.h>
#endif
class SharedLibrary {
public:
SharedLibrary(uintptr_t aStart,
uintptr_t aEnd,
uintptr_t aOffset,
const std::string& aBreakpadId,
const std::string& aName)
: mStart(aStart)
, mEnd(aEnd)
, mOffset(aOffset)
, mBreakpadId(aBreakpadId)
, mName(aName)
{}
SharedLibrary(const SharedLibrary& aEntry)
: mStart(aEntry.mStart)
, mEnd(aEntry.mEnd)
, mOffset(aEntry.mOffset)
, mBreakpadId(aEntry.mBreakpadId)
, mName(aEntry.mName)
{}
SharedLibrary& operator=(const SharedLibrary& aEntry)
{
// Gracefully handle self assignment
if (this == &aEntry) return *this;
mStart = aEntry.mStart;
mEnd = aEntry.mEnd;
mOffset = aEntry.mOffset;
mBreakpadId = aEntry.mBreakpadId;
mName = aEntry.mName;
return *this;
}
bool operator==(const SharedLibrary& other) const
{
return (mStart == other.mStart) &&
(mEnd == other.mEnd) &&
(mOffset == other.mOffset) &&
(mName == other.mName) &&
(mBreakpadId == other.mBreakpadId);
}
uintptr_t GetStart() const { return mStart; }
uintptr_t GetEnd() const { return mEnd; }
uintptr_t GetOffset() const { return mOffset; }
const std::string &GetBreakpadId() const { return mBreakpadId; }
const std::string &GetName() const { return mName; }
private:
SharedLibrary() {}
uintptr_t mStart;
uintptr_t mEnd;
uintptr_t mOffset;
std::string mBreakpadId;
std::string mName;
};
static bool
CompareAddresses(const SharedLibrary& first, const SharedLibrary& second)
{
return first.GetStart() < second.GetStart();
}
class SharedLibraryInfo {
public:
static SharedLibraryInfo GetInfoForSelf();
SharedLibraryInfo() {}
void AddSharedLibrary(SharedLibrary entry)
{
mEntries.push_back(entry);
}
const SharedLibrary& GetEntry(size_t i) const
{
return mEntries[i];
}
// Removes items in the range [first, last)
// i.e. element at the "last" index is not removed
void RemoveEntries(size_t first, size_t last)
{
mEntries.erase(mEntries.begin() + first, mEntries.begin() + last);
}
bool Contains(const SharedLibrary& searchItem) const
{
return (mEntries.end() !=
std::find(mEntries.begin(), mEntries.end(), searchItem));
}
size_t GetSize() const
{
return mEntries.size();
}
void SortByAddress()
{
std::sort(mEntries.begin(), mEntries.end(), CompareAddresses);
}
void Clear()
{
mEntries.clear();
}
private:
std::vector<SharedLibrary> mEntries;
};
#endif
|
