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      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  */
     83 extern dev_t kgdb_dev;
     84 extern int kgdb_rate, kgdb_active;
     85 extern int kgdb_debug_init, kgdb_debug_panic;
     86 extern label_t *kgdb_recover;
     87 
     88 void kgdb_attach(int (*)(void *), void (*)(void *, int), void *);
     89 void kgdb_connect(int);
     90 void kgdb_panic(void);
     91 int kgdb_trap(int, db_regs_t *);
     92 int kgdb_disconnected(void);
     93 
     94 /*
     95  * Machine dependent functions needed by kgdb_stub.c
     96  */
     97 int kgdb_signal(int);
     98 int kgdb_acc(vaddr_t, size_t);
     99 void kgdb_entry_notice(int, db_regs_t *);
    100 void kgdb_getregs(db_regs_t *, kgdb_reg_t *);
    101 void kgdb_setregs(db_regs_t *, kgdb_reg_t *);
    102 
    103 #endif	/* _KERNEL */
    104 #endif /* !_SYS_KGDB_H_ */
    105