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_LINUX_H_ |
6 | #define BASE_DEBUG_PROC_MAPS_LINUX_H_ |
7 | |
8 | #include <string> |
9 | #include <vector> |
10 | |
11 | #include "common/using_std_string.h" |
12 | #include "google_breakpad/common/breakpad_types.h" |
13 | |
14 | namespace google_breakpad { |
15 | |
16 | // Describes a region of mapped memory and the path of the file mapped. |
17 | struct MappedMemoryRegion { |
18 | enum Permission { |
19 | READ = 1 << 0, |
20 | WRITE = 1 << 1, |
21 | EXECUTE = 1 << 2, |
22 | PRIVATE = 1 << 3, // If set, region is private, otherwise it is shared. |
23 | }; |
24 | |
25 | // The address range [start,end) of mapped memory. |
26 | uint64_t start; |
27 | uint64_t end; |
28 | |
29 | // Byte offset into |path| of the range mapped into memory. |
30 | uint64_t offset; |
31 | |
32 | // Bitmask of read/write/execute/private/shared permissions. |
33 | uint8_t permissions; |
34 | |
35 | // Major and minor devices. |
36 | uint8_t major_device; |
37 | uint8_t minor_device; |
38 | |
39 | // Value of the inode. |
40 | uint64_t inode; |
41 | |
42 | // Name of the file mapped into memory. |
43 | // |
44 | // NOTE: path names aren't guaranteed to point at valid files. For example, |
45 | // "[heap]" and "[stack]" are used to represent the location of the process' |
46 | // heap and stack, respectively. |
47 | string path; |
48 | |
49 | // The line from /proc/<pid>/maps that this struct represents. |
50 | string line; |
51 | }; |
52 | |
53 | // Parses /proc/<pid>/maps input data and stores in |regions|. Returns true |
54 | // and updates |regions| if and only if all of |input| was successfully parsed. |
55 | bool ParseProcMaps(const string& input, |
56 | std::vector<MappedMemoryRegion>* regions); |
57 | |
58 | } // namespace google_breakpad |
59 | |
60 | #endif // BASE_DEBUG_PROC_MAPS_LINUX_H_ |
61 | |