1/*	$NetBSD: kgdb.h,v 1.12 2011/04/03 22:29:28 dyoung Exp $	*/
  2
  3/*
  4 * Copyright (c) 1992, 1993
  5 *	The Regents of the University of California.  All rights reserved.
  6 *
  7 * This software was developed by the Computer Systems Engineering group
  8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
  9 * contributed to Berkeley.
 10 *
 11 * All advertising materials mentioning features or use of this software
 12 * must display the following acknowledgement:
 13 *	This product includes software developed by the University of
 14 *	California, Lawrence Berkeley Laboratories.
 15 *
 16 * Redistribution and use in source and binary forms, with or without
 17 * modification, are permitted provided that the following conditions
 18 * are met:
 19 * 1. Redistributions of source code must retain the above copyright
 20 *    notice, this list of conditions and the following disclaimer.
 21 * 2. Redistributions in binary form must reproduce the above copyright
 22 *    notice, this list of conditions and the following disclaimer in the
 23 *    documentation and/or other materials provided with the distribution.
 24 * 3. Neither the name of the University nor the names of its contributors
 25 *    may be used to endorse or promote products derived from this software
 26 *    without specific prior written permission.
 27 *
 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 31 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 38 * SUCH DAMAGE.
 39 *
 40 *	@(#)remote-sl.h	8.1 (Berkeley) 6/11/93
 41 */
 42
 43#ifndef _SYS_KGDB_H_
 44#define _SYS_KGDB_H_
 45
 46/*
 47 * Protocol definition for KGDB
 48 * (gdb over remote serial line)
 49 */
 50
 51#include <machine/db_machdep.h>
 52
 53/*
 54 * Message types.
 55 */
 56#define KGDB_MEM_R	'm'
 57#define KGDB_MEM_W	'M'
 58#define KGDB_REG_R	'g'
 59#define KGDB_REG_W	'G'
 60#define KGDB_CONT	'c'
 61#define KGDB_STEP	's'
 62#define KGDB_KILL	'k'
 63#define KGDB_DETACH	'D'
 64#define KGDB_SIGNAL	'?'
 65#define KGDB_DEBUG	'd'
 66
 67/*
 68 * start of frame/end of frame
 69 */
 70#define KGDB_START	'$'
 71#define KGDB_END	'#'
 72#define KGDB_GOODP	'+'
 73#define KGDB_BADP	'-'
 74
 75#ifdef	_KERNEL
 76
 77#include <ddb/db_run.h>
 78#include <ddb/db_access.h>
 79
 80/*
 81 * Functions and variables exported from kgdb_stub.c
 82 */
 83extern dev_t kgdb_dev;
 84extern int kgdb_rate, kgdb_active;
 85extern int kgdb_debug_init, kgdb_debug_panic;
 86extern label_t *kgdb_recover;
 87
 88void kgdb_attach(int (*)(void *), void (*)(void *, int), void *);
 89void kgdb_connect(int);
 90void kgdb_panic(void);
 91int kgdb_trap(int, db_regs_t *);
 92int kgdb_disconnected(void);
 93
 94/*
 95 * Machine dependent functions needed by kgdb_stub.c
 96 */
 97int kgdb_signal(int);
 98int kgdb_acc(vaddr_t, size_t);
 99void kgdb_entry_notice(int, db_regs_t *);
100void kgdb_getregs(db_regs_t *, kgdb_reg_t *);
101void kgdb_setregs(db_regs_t *, kgdb_reg_t *);
102
103#endif	/* _KERNEL */
104#endif /* !_SYS_KGDB_H_ */