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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef BASE_DEBUG_PROC_MAPS_H_ | |
6 #define BASE_DEBUG_PROC_MAPS_H_ | |
7 | |
8 #include <string> | |
9 #include <vector> | |
10 | |
11 #include "base/base_export.h" | |
12 #include "base/basictypes.h" | |
13 #include "base/files/file_path.h" | |
14 | |
15 namespace base { | |
16 namespace debug { | |
Mark Mentovai
2013/07/02 19:36:57
Aren’t we not doing second-level nested namespaces
scherkus (not reviewing)
2013/07/02 21:43:01
here's the most relevant discussion I could find:
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17 | |
18 #if defined(OS_LINUX) || defined(OS_ANDROID) | |
Mark Mentovai
2013/07/02 19:36:57
Get rid of this. Just rename the file with _linux
scherkus (not reviewing)
2013/07/02 21:43:01
Done.
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19 | |
20 // Describes a region of mapped memory and the path of the file mapped. | |
21 struct MappedMemoryRegion { | |
22 enum Permissions { | |
Mark Mentovai
2013/07/02 19:36:57
The members of this enum are single permissions, s
scherkus (not reviewing)
2013/07/02 21:43:01
Done.
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23 READ = 1 << 0, | |
24 WRITE = 1 << 1, | |
25 EXECUTE = 1 << 2, | |
26 PRIVATE = 1 << 3, // If set, region is private otherwise it is shared. | |
Mark Mentovai
2013/07/02 19:36:57
Missing comma?
scherkus (not reviewing)
2013/07/02 21:43:01
Hrm. Not sure which comma is missing. I assume you
Mark Mentovai
2013/07/02 22:21:35
scherkus wrote:
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27 }; | |
28 | |
29 // The address range [start,end) of mapped memory. | |
30 uintptr_t start; | |
31 uintptr_t end; | |
32 | |
33 // Byte offset into |path| of the range mapped into memory. | |
34 size_t offset; | |
35 | |
36 // Bitmask of read/write/execute/private/shared permissions. | |
37 uint8 permissions; | |
38 | |
39 // Path of the file mapped into memory. | |
40 FilePath path; | |
41 }; | |
42 | |
43 // Reads the data from /proc/self/maps. Returns an empty string if unable to | |
44 // do so. | |
Mark Mentovai
2013/07/02 19:36:57
What’s it return otherwise? Just the contents of /
scherkus (not reviewing)
2013/07/02 21:43:01
Done.
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45 BASE_EXPORT std::string ReadProcMaps(); | |
46 | |
47 // Parses /proc/<pid>/maps input data and stores in |regions|. Returns true | |
48 // and updates |regions| if and only if all of |input| was successfully parsed. | |
49 // | |
50 // NOTE: Parsed path names aren't guaranteed to point at valid files. For | |
51 // example, "[heap]" and "[stack]" are used to represent the location of the | |
52 // process' heap and stack, respectively. | |
53 BASE_EXPORT bool ParseProcMaps(const std::string& input, | |
54 std::vector<MappedMemoryRegion>* regions); | |
55 | |
56 #endif | |
57 | |
58 } // namespace debug | |
59 } // namespace base | |
60 | |
61 #endif // BASE_DEBUG_PROC_MAPS_H_ | |
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