1 | /* dwarf2dbg.h - DWARF2 debug support |
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2 | Copyright 1999, 2000 Free Software Foundation, Inc. |
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3 | |
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4 | This file is part of GAS, the GNU Assembler. |
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5 | |
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6 | GAS is free software; you can redistribute it and/or modify |
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7 | it under the terms of the GNU General Public License as published by |
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8 | the Free Software Foundation; either version 2, or (at your option) |
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9 | any later version. |
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10 | |
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11 | GAS is distributed in the hope that it will be useful, |
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12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | GNU General Public License for more details. |
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15 | |
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16 | You should have received a copy of the GNU General Public License |
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17 | along with GAS; see the file COPYING. If not, write to the Free |
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18 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
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19 | 02111-1307, USA. */ |
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20 | |
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21 | #ifndef AS_DWARF2DBG_H |
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22 | #define AS_DWARF2DBG_H |
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23 | |
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24 | #include "as.h" |
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25 | |
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26 | #define DWARF2_FLAG_BEGIN_STMT (1 << 0) /* beginning of statement */ |
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27 | #define DWARF2_FLAG_BEGIN_BLOCK (1 << 1) /* beginning of basic block */ |
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28 | |
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29 | struct dwarf2_line_info { |
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30 | unsigned int filenum; |
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31 | unsigned int line; |
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32 | unsigned int column; |
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33 | unsigned int flags; |
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34 | }; |
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35 | |
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36 | /* Implements the .file FILENO "FILENAME" directive. FILENO can be 0 |
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37 | to indicate that no file number has been assigned. All real file |
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38 | number must be >0. */ |
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39 | extern void dwarf2_directive_file PARAMS ((int dummy)); |
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40 | |
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41 | /* Implements the .loc FILENO LINENO [COLUMN] directive. FILENO is |
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42 | the file number, LINENO the line number and the (optional) COLUMN |
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43 | the column of the source code that the following instruction |
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44 | corresponds to. FILENO can be 0 to indicate that the filename |
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45 | specified by the textually most recent .file directive should be |
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46 | used. */ |
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47 | extern void dwarf2_directive_loc PARAMS ((int dummy)); |
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48 | |
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49 | /* Returns the current source information. If .file directives have |
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50 | been encountered, the info for the corresponding source file is |
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51 | returned. Otherwise, the info for the assembly source file is |
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52 | returned. */ |
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53 | extern void dwarf2_where PARAMS ((struct dwarf2_line_info *l)); |
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54 | |
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55 | /* This function generates .debug_line info based on the address and |
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56 | source information passed in the arguments. ADDR should be the |
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57 | frag-relative offset of the instruction the information is for and |
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58 | L is the source information that should be associated with that |
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59 | address. */ |
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60 | extern void dwarf2_gen_line_info PARAMS ((addressT addr, |
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61 | struct dwarf2_line_info *l)); |
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62 | |
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63 | /* Must be called for each generated instruction. */ |
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64 | extern void dwarf2_emit_insn PARAMS ((int)); |
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65 | |
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66 | extern void dwarf2_finish PARAMS ((void)); |
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67 | |
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68 | extern int dwarf2dbg_estimate_size_before_relax PARAMS ((fragS *)); |
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69 | extern int dwarf2dbg_relax_frag PARAMS ((fragS *)); |
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70 | extern void dwarf2dbg_convert_frag PARAMS ((fragS *)); |
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71 | |
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72 | #endif /* AS_DWARF2DBG_H */ |
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