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