dwarf2dbg.h revision 77298 
160484Sobrien/* dwarf2dbg.h - DWARF2 debug support
277298Sobrien   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
360484Sobrien
460484Sobrien   This file is part of GAS, the GNU Assembler.
560484Sobrien
660484Sobrien   GAS is free software; you can redistribute it and/or modify
760484Sobrien   it under the terms of the GNU General Public License as published by
860484Sobrien   the Free Software Foundation; either version 2, or (at your option)
960484Sobrien   any later version.
1060484Sobrien
1160484Sobrien   GAS is distributed in the hope that it will be useful,
1260484Sobrien   but WITHOUT ANY WARRANTY; without even the implied warranty of
1360484Sobrien   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1460484Sobrien   GNU General Public License for more details.
1560484Sobrien
1660484Sobrien   You should have received a copy of the GNU General Public License
1760484Sobrien   along with GAS; see the file COPYING.  If not, write to the Free
1860484Sobrien   Software Foundation, 59 Temple Place - Suite 330, Boston, MA
1960484Sobrien   02111-1307, USA.  */
2060484Sobrien
2160484Sobrien#ifndef AS_DWARF2DBG_H
2260484Sobrien#define AS_DWARF2DBG_H
2360484Sobrien
2460484Sobrien#include "as.h"
2560484Sobrien
2660484Sobrien#define DWARF2_FLAG_BEGIN_STMT	(1 << 0)	/* beginning of statement */
2760484Sobrien#define DWARF2_FLAG_BEGIN_BLOCK	(1 << 1)	/* beginning of basic block */
2860484Sobrien
2977298Sobrienstruct dwarf2_line_info {
3077298Sobrien  unsigned int filenum;
3177298Sobrien  unsigned int line;
3277298Sobrien  unsigned int column;
3377298Sobrien  unsigned int flags;
3477298Sobrien};
3560484Sobrien
3660484Sobrien/* Implements the .file FILENO "FILENAME" directive.  FILENO can be 0
3760484Sobrien   to indicate that no file number has been assigned.  All real file
3860484Sobrien   number must be >0.  */
3960484Sobrienextern void dwarf2_directive_file PARAMS ((int dummy));
4060484Sobrien
4160484Sobrien/* Implements the .loc FILENO LINENO [COLUMN] directive.  FILENO is
4260484Sobrien   the file number, LINENO the line number and the (optional) COLUMN
4360484Sobrien   the column of the source code that the following instruction
4460484Sobrien   corresponds to.  FILENO can be 0 to indicate that the filename
4560484Sobrien   specified by the textually most recent .file directive should be
4660484Sobrien   used.  */
4760484Sobrienextern void dwarf2_directive_loc PARAMS ((int dummy));
4860484Sobrien
4960484Sobrien/* Returns the current source information.  If .file directives have
5060484Sobrien   been encountered, the info for the corresponding source file is
5160484Sobrien   returned.  Otherwise, the info for the assembly source file is
5260484Sobrien   returned.  */
5360484Sobrienextern void dwarf2_where PARAMS ((struct dwarf2_line_info *l));
5460484Sobrien
5560484Sobrien/* This function generates .debug_line info based on the address and
5660484Sobrien   source information passed in the arguments.  ADDR should be the
5760484Sobrien   frag-relative offset of the instruction the information is for and
5860484Sobrien   L is the source information that should be associated with that
5977298Sobrien   address.  */
6060484Sobrienextern void dwarf2_gen_line_info PARAMS ((addressT addr,
6160484Sobrien					  struct dwarf2_line_info *l));
6260484Sobrien
6377298Sobrien/* Must be called for each generated instruction.  */
6477298Sobrienextern void dwarf2_emit_insn PARAMS ((int));
6577298Sobrien
6660484Sobrienextern void dwarf2_finish PARAMS ((void));
6760484Sobrien
6877298Sobrienextern int dwarf2dbg_estimate_size_before_relax PARAMS ((fragS *));
6977298Sobrienextern int dwarf2dbg_relax_frag PARAMS ((fragS *));
7077298Sobrienextern void dwarf2dbg_convert_frag PARAMS ((fragS *));
7177298Sobrien
7260484Sobrien#endif /* AS_DWARF2DBG_H */
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