| 1 | /* dwarf2dbg.h - DWARF2 debug support
|
|---|
| 2 | Copyright 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 | unsigned int filenum;
|
|---|
| 31 | unsigned int line;
|
|---|
| 32 | unsigned int column;
|
|---|
| 33 | unsigned int flags;
|
|---|
| 34 | };
|
|---|
| 35 |
|
|---|
| 36 | /* Implements the .file FILENO "FILENAME" directive. FILENO can be 0
|
|---|
| 37 | to indicate that no file number has been assigned. All real file
|
|---|
| 38 | number must be >0. */
|
|---|
| 39 | extern void dwarf2_directive_file PARAMS ((int dummy));
|
|---|
| 40 |
|
|---|
| 41 | /* Implements the .loc FILENO LINENO [COLUMN] directive. FILENO is
|
|---|
| 42 | the file number, LINENO the line number and the (optional) COLUMN
|
|---|
| 43 | the column of the source code that the following instruction
|
|---|
| 44 | corresponds to. FILENO can be 0 to indicate that the filename
|
|---|
| 45 | specified by the textually most recent .file directive should be
|
|---|
| 46 | used. */
|
|---|
| 47 | extern void dwarf2_directive_loc PARAMS ((int dummy));
|
|---|
| 48 |
|
|---|
| 49 | /* Returns the current source information. If .file directives have
|
|---|
| 50 | been encountered, the info for the corresponding source file is
|
|---|
| 51 | returned. Otherwise, the info for the assembly source file is
|
|---|
| 52 | returned. */
|
|---|
| 53 | extern void dwarf2_where PARAMS ((struct dwarf2_line_info *l));
|
|---|
| 54 |
|
|---|
| 55 | /* This function generates .debug_line info based on the address and
|
|---|
| 56 | source information passed in the arguments. ADDR should be the
|
|---|
| 57 | frag-relative offset of the instruction the information is for and
|
|---|
| 58 | L is the source information that should be associated with that
|
|---|
| 59 | address. */
|
|---|
| 60 | extern void dwarf2_gen_line_info PARAMS ((addressT addr,
|
|---|
| 61 | struct dwarf2_line_info *l));
|
|---|
| 62 |
|
|---|
| 63 | /* Must be called for each generated instruction. */
|
|---|
| 64 | extern void dwarf2_emit_insn PARAMS ((int));
|
|---|
| 65 |
|
|---|
| 66 | extern void dwarf2_finish PARAMS ((void));
|
|---|
| 67 |
|
|---|
| 68 | extern int dwarf2dbg_estimate_size_before_relax PARAMS ((fragS *));
|
|---|
| 69 | extern int dwarf2dbg_relax_frag PARAMS ((fragS *));
|
|---|
| 70 | extern void dwarf2dbg_convert_frag PARAMS ((fragS *));
|
|---|
| 71 |
|
|---|
| 72 | #endif /* AS_DWARF2DBG_H */
|
|---|
