1 | // Copyright (c) 2014, Google Inc. |
2 | // All rights reserved. |
3 | // |
4 | // Redistribution and use in source and binary forms, with or without |
5 | // modification, are permitted provided that the following conditions are |
6 | // met: |
7 | // |
8 | // * Redistributions of source code must retain the above copyright |
9 | // notice, this list of conditions and the following disclaimer. |
10 | // * Redistributions in binary form must reproduce the above |
11 | // copyright notice, this list of conditions and the following disclaimer |
12 | // in the documentation and/or other materials provided with the |
13 | // distribution. |
14 | // * Neither the name of Google Inc. nor the names of its |
15 | // contributors may be used to endorse or promote products derived from |
16 | // this software without specific prior written permission. |
17 | // |
18 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
19 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
20 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
21 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
22 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
23 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
24 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | |
30 | #ifndef CLIENT_LINUX_DUMP_WRITER_COMMON_MAPPING_INFO_H_ |
31 | #define CLIENT_LINUX_DUMP_WRITER_COMMON_MAPPING_INFO_H_ |
32 | |
33 | #include <limits.h> |
34 | #include <list> |
35 | #include <stdint.h> |
36 | |
37 | #include "google_breakpad/common/minidump_format.h" |
38 | |
39 | namespace google_breakpad { |
40 | |
41 | // One of these is produced for each mapping in the process (i.e. line in |
42 | // /proc/$x/maps). |
43 | struct MappingInfo { |
44 | // On Android, relocation packing can mean that the reported start |
45 | // address of the mapping must be adjusted by a bias in order to |
46 | // compensate for the compression of the relocation section. The |
47 | // following two members hold (after LateInit) the adjusted mapping |
48 | // range. See crbug.com/606972 for more information. |
49 | uintptr_t start_addr; |
50 | size_t size; |
51 | // When Android relocation packing causes |start_addr| and |size| to |
52 | // be modified with a load bias, we need to remember the unbiased |
53 | // address range. The following structure holds the original mapping |
54 | // address range as reported by the operating system. |
55 | struct { |
56 | uintptr_t start_addr; |
57 | uintptr_t end_addr; |
58 | } system_mapping_info; |
59 | size_t offset; // offset into the backed file. |
60 | bool exec; // true if the mapping has the execute bit set. |
61 | char name[NAME_MAX]; |
62 | }; |
63 | |
64 | struct MappingEntry { |
65 | MappingInfo first; |
66 | uint8_t second[sizeof(MDGUID)]; |
67 | }; |
68 | |
69 | // A list of <MappingInfo, GUID> |
70 | typedef std::list<MappingEntry> MappingList; |
71 | |
72 | } // namespace google_breakpad |
73 | |
74 | #endif // CLIENT_LINUX_DUMP_WRITER_COMMON_MAPPING_INFO_H_ |
75 | |