| // Copyright 2008 Google Inc. All Rights Reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| |
| #ifndef COMMON_DWARF_LINE_STATE_MACHINE_H__ |
| #define COMMON_DWARF_LINE_STATE_MACHINE_H__ |
| |
| namespace dwarf2reader { |
| |
| // This is the format of a DWARF2/3 line state machine that we process |
| // opcodes using. There is no need for anything outside the lineinfo |
| // processor to know how this works. |
| struct LineStateMachine { |
| void Reset(bool default_is_stmt) { |
| file_num = 1; |
| address = 0; |
| line_num = 1; |
| column_num = 0; |
| is_stmt = default_is_stmt; |
| basic_block = false; |
| end_sequence = false; |
| } |
| |
| uint32_t file_num; |
| uint64_t address; |
| uint32_t line_num; |
| uint32_t column_num; |
| bool is_stmt; // stmt means statement. |
| bool basic_block; |
| bool end_sequence; |
| }; |
| |
| } // namespace dwarf2reader |
| |
| |
| #endif // COMMON_DWARF_LINE_STATE_MACHINE_H__ |