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1 // Copyright 2008 Google Inc. All Rights Reserved. |
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2 // |
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3 // Redistribution and use in source and binary forms, with or without |
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4 // modification, are permitted provided that the following conditions are |
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5 // met: |
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6 // |
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7 // * Redistributions of source code must retain the above copyright |
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8 // notice, this list of conditions and the following disclaimer. |
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9 // * Redistributions in binary form must reproduce the above |
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10 // copyright notice, this list of conditions and the following disclaimer |
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11 // in the documentation and/or other materials provided with the |
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12 // distribution. |
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13 // * Neither the name of Google Inc. nor the names of its |
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14 // contributors may be used to endorse or promote products derived from |
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15 // this software without specific prior written permission. |
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16 // |
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17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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28 |
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29 |
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30 #ifndef COMMON_DWARF_LINE_STATE_MACHINE_H__ |
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31 #define COMMON_DWARF_LINE_STATE_MACHINE_H__ |
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32 |
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33 namespace dwarf2reader { |
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34 |
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35 // This is the format of a DWARF2/3 line state machine that we process |
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36 // opcodes using. There is no need for anything outside the lineinfo |
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37 // processor to know how this works. |
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38 struct LineStateMachine { |
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39 void Reset(bool default_is_stmt) { |
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40 file_num = 1; |
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41 address = 0; |
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42 line_num = 1; |
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43 column_num = 0; |
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44 is_stmt = default_is_stmt; |
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45 basic_block = false; |
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46 end_sequence = false; |
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47 } |
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48 |
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49 uint32 file_num; |
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50 uint64 address; |
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51 uint32 line_num; |
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52 uint32 column_num; |
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53 bool is_stmt; // stmt means statement. |
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54 bool basic_block; |
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55 bool end_sequence; |
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56 }; |
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57 |
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58 } // namespace dwarf2reader |
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59 |
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60 |
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61 #endif // COMMON_DWARF_LINE_STATE_MACHINE_H__ |