1 | // Copyright 2008 Google Inc. All Rights Reserved. |
2 | // |
3 | // Redistribution and use in source and binary forms, with or without |
4 | // modification, are permitted provided that the following conditions are |
5 | // met: |
6 | // |
7 | // * Redistributions of source code must retain the above copyright |
8 | // notice, this list of conditions and the following disclaimer. |
9 | // * Redistributions in binary form must reproduce the above |
10 | // copyright notice, this list of conditions and the following disclaimer |
11 | // in the documentation and/or other materials provided with the |
12 | // distribution. |
13 | // * Neither the name of Google Inc. nor the names of its |
14 | // contributors may be used to endorse or promote products derived from |
15 | // this software without specific prior written permission. |
16 | // |
17 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
18 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
19 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
20 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
21 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
22 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
23 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
24 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
25 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
26 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
27 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
28 | |
29 | |
30 | #ifndef COMMON_DWARF_LINE_STATE_MACHINE_H__ |
31 | #define COMMON_DWARF_LINE_STATE_MACHINE_H__ |
32 | |
33 | #include <stdint.h> |
34 | |
35 | namespace google_breakpad { |
36 | |
37 | // This is the format of a DWARF2/3 line state machine that we process |
38 | // opcodes using. There is no need for anything outside the lineinfo |
39 | // processor to know how this works. |
40 | struct LineStateMachine { |
41 | void Reset(bool default_is_stmt) { |
42 | file_num = 1; |
43 | address = 0; |
44 | line_num = 1; |
45 | column_num = 0; |
46 | is_stmt = default_is_stmt; |
47 | basic_block = false; |
48 | end_sequence = false; |
49 | } |
50 | |
51 | uint32_t file_num; |
52 | uint64_t address; |
53 | uint32_t line_num; |
54 | uint32_t column_num; |
55 | bool is_stmt; // stmt means statement. |
56 | bool basic_block; |
57 | bool end_sequence; |
58 | }; |
59 | |
60 | } // namespace google_breakpad |
61 | |
62 | |
63 | #endif // COMMON_DWARF_LINE_STATE_MACHINE_H__ |
64 | |