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kdbparam.h revision 1.4 
      1 /*	$NetBSD: kdbparam.h,v 1.4 1994/10/26 21:09:42 cgd Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1992, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * Ralph Campbell.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the University of
     21  *	California, Berkeley and its contributors.
     22  * 4. Neither the name of the University nor the names of its contributors
     23  *    may be used to endorse or promote products derived from this software
     24  *    without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  * SUCH DAMAGE.
     37  *
     38  *	@(#)kdbparam.h	8.1 (Berkeley) 6/10/93
     39  */
     40 
     41 /*
     42  * Machine dependent definitions for kdb.
     43  */
     44 
     45 #if BYTE_ORDER == LITTLE_ENDIAN
     46 #define kdbshorten(w)	((w) & 0xFFFF)
     47 #define	kdbbyte(w)	((w) & 0xFF)
     48 #define	kdbitol(a,b)	((long)(((b) << 16) | ((a) & 0xFFFF)))
     49 #define	kdbbtol(a)	((long)(a))
     50 #endif
     51 
     52 #define LPRMODE		"%R"
     53 #define OFFMODE		"+%R"
     54 
     55 #define	SETBP(ins)	MACH_BREAK_BRKPT
     56 
     57 /* return the program counter value modified if we are in a delay slot */
     58 #define	kdbgetpc(pcb)		(kdbvar[kdbvarchk('t')] < 0 ? \
     59 	(pcb).pcb_regs[34] + 4 : (pcb).pcb_regs[34])
     60 #define	kdbishiddenreg(p)	((p) >= &kdbreglist[33])
     61 #define	kdbisbreak(type)	(((type) & MACH_CR_EXC_CODE) == 0x24)
     62 
     63 /* check for address wrap around */
     64 #define	kdbaddrwrap(addr,newaddr)	(((addr)^(newaddr)) >> 31)
     65 
     66 /* declare machine dependent routines defined in kadb.c */
     67 void	kdbprinttrap __P((unsigned, unsigned));
     68 void	kdbsetsstep __P((void));
     69 void	kdbclrsstep __P((void));
     70 void	kdbreadc __P((char *));
     71 void	kdbwrite __P((char *, int));
     72 void	kdbprintins __P((int, long));
     73 void	kdbstacktrace __P((int));
     74 char	*kdbmalloc __P((int));
     75