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/thirdparty/breakpad/common/dwarf/line_state_machine.h

http://github.com/tomahawk-player/tomahawk
C++ Header | 61 lines | 23 code | 8 blank | 30 comment | 0 complexity | 9666ed74cc88b8d55f5f5d12b96ab5b7 MD5 | raw file
 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
33namespace dwarf2reader {
34
35// This is the format of a DWARF2/3 line state machine that we process
36// opcodes using.  There is no need for anything outside the lineinfo
37// processor to know how this works.
38struct LineStateMachine {
39  void Reset(bool default_is_stmt) {
40    file_num = 1;
41    address = 0;
42    line_num = 1;
43    column_num = 0;
44    is_stmt = default_is_stmt;
45    basic_block = false;
46    end_sequence = false;
47  }
48
49  uint32 file_num;
50  uint64 address;
51  uint32 line_num;
52  uint32 column_num;
53  bool is_stmt;  // stmt means statement.
54  bool basic_block;
55  bool end_sequence;
56};
57
58}  // namespace dwarf2reader
59
60
61#endif  // COMMON_DWARF_LINE_STATE_MACHINE_H__