freebsd-dev/sys/ddb/ddb.h

/*-
 * Copyright (c) 1993, Garrett A. Wollman.
 * Copyright (c) 1993, University of Vermont and State Agricultural College.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	$Id: ddb.h,v 1.7 1995/11/24 13:53:05 bde Exp $
 */

/*
 * Necessary declarations for the `ddb' kernel debugger.
 */

#ifndef _DDB_DDB_H_
#define	_DDB_DDB_H_

#include <machine/db_machdep.h>		/* type definitions */
#include <vm/vm.h>

typedef void db_cmdfcn_t __P((db_expr_t addr, boolean_t have_addr,
			      db_expr_t count, char *modif));

/*
 * Global variables...
 */
extern char *esym;
extern unsigned int db_maxoff;
extern int db_inst_count;
extern int db_load_count;
extern int db_store_count;
extern int db_radix;
extern int db_max_width;
extern int db_tab_stop_width;

struct vm_map;			/* forward declaration */

/*
 * Functions...
 */

void		cnpollc __P((int));
void		db_check_interrupt __P((void));
void		db_clear_watchpoints __P((void));
db_addr_t	db_disasm __P((db_addr_t loc, boolean_t altfmt));
				/* instruction disassembler */
void		db_error __P((char *s));
int		db_expression __P((db_expr_t *valuep));
int		db_get_variable __P((db_expr_t *valuep));
struct vm_map	*db_map_addr __P((vm_offset_t));
boolean_t	db_map_current __P((struct vm_map *));
boolean_t	db_map_equal __P((struct vm_map *, struct vm_map *));
void		db_print_loc_and_inst __P((db_addr_t loc));
void		db_printf __P((const char *fmt, ...));
void		db_putchar __P((int c));
void		db_read_bytes __P((vm_offset_t addr, int size, char *data));
				/* machine-dependent */
int		db_readline __P((char *lstart, int lsize));
void		db_restart_at_pc __P((boolean_t watchpt));
void		db_set_watchpoints __P((void));
void		db_skip_to_eol __P((void));
boolean_t	db_stop_at_pc __P((boolean_t *is_breakpoint));
#define		db_strcpy	strcpy
void		db_trap __P((int type, int code));
int		db_value_of_name __P((char *name, db_expr_t *valuep));
void		db_write_bytes __P((vm_offset_t addr, int size, char *data));
				/* machine-dependent */
void		kdb_init __P((void));
void		kdbprintf __P((const char *fmt, ...));
void		kdbprinttrap __P((int, int));

db_cmdfcn_t	db_breakpoint_cmd;
db_cmdfcn_t	db_continue_cmd;
db_cmdfcn_t	db_delete_cmd;
db_cmdfcn_t	db_deletewatch_cmd;
db_cmdfcn_t	db_examine_cmd;
db_cmdfcn_t	db_listbreak_cmd;
db_cmdfcn_t	db_listwatch_cmd;
db_cmdfcn_t	db_print_cmd;
db_cmdfcn_t	db_ps;
db_cmdfcn_t	db_search_cmd;
db_cmdfcn_t	db_set_cmd;
db_cmdfcn_t	db_show_regs;
db_cmdfcn_t	db_single_step_cmd;
db_cmdfcn_t	db_stack_trace_cmd;
db_cmdfcn_t	db_trace_until_call_cmd;
db_cmdfcn_t	db_trace_until_matching_cmd;
db_cmdfcn_t	db_watchpoint_cmd;
db_cmdfcn_t	db_write_cmd;

#if 0
db_cmdfcn_t	db_help_cmd;
db_cmdfcn_t	db_show_all_threads;
db_cmdfcn_t	db_show_one_thread;
db_cmdfcn_t	ipc_port_print;
db_cmdfcn_t	vm_page_print;
#endif

#endif /* !_DDB_DDB_H_ */