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Side by Side Diff: src/google_breakpad/processor/proc_maps_linux.h

Issue 1251593007: Add support for Linux memory mapping stream and remove ELF header usage (Closed) Base URL: http://google-breakpad.googlecode.com/svn/trunk/
Patch Set: Created 5 years, 4 months ago
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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_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 uintptr_t start;
27 uintptr_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
50 // Parses /proc/<pid>/maps input data and stores in |regions|. Returns true
51 // and updates |regions| if and only if all of |input| was successfully parsed.
52 bool ParseProcMaps(const std::string& input,
53 std::vector<MappedMemoryRegion>* regions);
54
55 } // namespace google_breakpad
56
57 #endif // BASE_DEBUG_PROC_MAPS_LINUX_H_
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