blob: 34fef7facbafc8c67dd7f58d7408ce7a6d866efb (
plain)
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
|
/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _LIBUNWINDSTACK_MAPS_H
#define _LIBUNWINDSTACK_MAPS_H
#include <sys/types.h>
#include <unistd.h>
#include <string>
#include <vector>
#include <unwindstack/MapInfo.h>
namespace unwindstack {
// Special flag to indicate a map is in /dev/. However, a map in
// /dev/ashmem/... does not set this flag.
static constexpr int MAPS_FLAGS_DEVICE_MAP = 0x8000;
class Maps {
public:
Maps() = default;
virtual ~Maps();
MapInfo* Find(uint64_t pc);
virtual bool Parse();
virtual const std::string GetMapsFile() const { return ""; }
typedef std::vector<MapInfo*>::iterator iterator;
iterator begin() { return maps_.begin(); }
iterator end() { return maps_.end(); }
typedef std::vector<MapInfo*>::const_iterator const_iterator;
const_iterator begin() const { return maps_.begin(); }
const_iterator end() const { return maps_.end(); }
size_t Total() { return maps_.size(); }
MapInfo* Get(size_t index) {
if (index >= maps_.size()) return nullptr;
return maps_[index];
}
protected:
std::vector<MapInfo*> maps_;
};
class RemoteMaps : public Maps {
public:
RemoteMaps(pid_t pid) : pid_(pid) {}
virtual ~RemoteMaps() = default;
virtual const std::string GetMapsFile() const override;
private:
pid_t pid_;
};
class LocalMaps : public RemoteMaps {
public:
LocalMaps() : RemoteMaps(getpid()) {}
virtual ~LocalMaps() = default;
};
class BufferMaps : public Maps {
public:
BufferMaps(const char* buffer) : buffer_(buffer) {}
virtual ~BufferMaps() = default;
bool Parse() override;
private:
const char* buffer_;
};
class FileMaps : public Maps {
public:
FileMaps(const std::string& file) : file_(file) {}
virtual ~FileMaps() = default;
const std::string GetMapsFile() const override { return file_; }
protected:
const std::string file_;
};
class OfflineMaps : public FileMaps {
public:
OfflineMaps(const std::string& file) : FileMaps(file) {}
virtual ~OfflineMaps() = default;
bool Parse() override;
};
} // namespace unwindstack
#endif // _LIBUNWINDSTACK_MAPS_H
|
