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/* Debug hooks for GCC.
Copyright (C) 2001 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef GCC_DEBUG_H
#define GCC_DEBUG_H
struct rtx_def;
/* This structure contains hooks for the debug information output
functions, accessed through the global instance debug_hooks set in
toplev.c according to command line options. */
struct gcc_debug_hooks
{
/* Initialise debug output. MAIN_FILENAME is the name of the main
input file. */
void (* init) PARAMS ((const char *main_filename));
/* Output debug symbols. */
void (* finish) PARAMS ((const char *main_filename));
/* Macro defined on line LINE with name and expansion TEXT. */
void (* define) PARAMS ((unsigned int line, const char *text));
/* MACRO undefined on line LINE. */
void (* undef) PARAMS ((unsigned int line, const char *macro));
/* Record the beginning of a new source file FILE from LINE number
in the previous one. */
void (* start_source_file) PARAMS ((unsigned int line, const char *file));
/* Record the resumption of a source file. LINE is the line number
in the source file we are returning to. */
void (* end_source_file) PARAMS ((unsigned int line));
/* Record the beginning of block N, counting from 1 and not
including the function-scope block, at LINE. */
void (* begin_block) PARAMS ((unsigned int line, unsigned int n));
/* Record the end of a block. Arguments as for begin_block. */
void (* end_block) PARAMS ((unsigned int line, unsigned int n));
/* Record a line based on NOTE. Obtain the line number with
NOTE_LINE_NUMBER (note). */
void (* source_line) PARAMS ((const char *filename, struct rtx_def *note));
/* Record end of epilogue code. */
void (* end_epilogue) PARAMS ((void));
/* Record end of function. LINE is highest line number in function. */
void (* end_function) PARAMS ((unsigned int line));
};
extern struct gcc_debug_hooks *debug_hooks;
/* The do-nothing hooks. */
extern void debug_nothing_void
PARAMS ((void));
extern void debug_nothing_charstar
PARAMS ((const char *));
extern void debug_nothing_int_charstar
PARAMS ((unsigned int, const char *));
extern void debug_nothing_int
PARAMS ((unsigned int));
extern void debug_nothing_int_int
PARAMS ((unsigned int, unsigned int));
extern void debug_nothing_charstar_rtx
PARAMS ((const char *, struct rtx_def *));
/* Hooks for various debug formats. */
extern struct gcc_debug_hooks do_nothing_debug_hooks;
extern struct gcc_debug_hooks dbx_debug_hooks;
extern struct gcc_debug_hooks sdb_debug_hooks;
extern struct gcc_debug_hooks xcoff_debug_hooks;
extern struct gcc_debug_hooks dwarf_debug_hooks;
extern struct gcc_debug_hooks dwarf2_debug_hooks;
/* Dwarf2 frame information. */
extern void dwarf2out_end_epilogue
PARAMS ((void));
#endif /* !GCC_DEBUG_H */
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