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kdbparam.h revision 1.1.1.1 
      1 /*-
      2  * Copyright (c) 1992 The Regents of the University of California.
      3  * All rights reserved.
      4  *
      5  * This code is derived from software contributed to Berkeley by
      6  * Ralph Campbell.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed by the University of
     19  *	California, Berkeley and its contributors.
     20  * 4. Neither the name of the University nor the names of its contributors
     21  *    may be used to endorse or promote products derived from this software
     22  *    without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  * SUCH DAMAGE.
     35  *
     36  * from: @(#)kdbparam.h	7.2 (Berkeley) 3/22/92
     37  * $Id: kdbparam.h,v 1.1.1.1 1993/10/12 03:22:42 deraadt Exp $
     38  */
     39 
     40 /*
     41  * Machine dependent definitions for kdb.
     42  */
     43 
     44 #if BYTE_ORDER == LITTLE_ENDIAN
     45 #define kdbshorten(w)	((w) & 0xFFFF)
     46 #define	kdbbyte(w)	((w) & 0xFF)
     47 #define	kdbitol(a,b)	((long)(((b) << 16) | ((a) & 0xFFFF)))
     48 #define	kdbbtol(a)	((long)(a))
     49 #endif
     50 
     51 #define LPRMODE		"%R"
     52 #define OFFMODE		"+%R"
     53 
     54 #define	SETBP(ins)	MACH_BREAK_BRKPT
     55 
     56 /* return the program counter value modified if we are in a delay slot */
     57 #define	kdbgetpc(pcb)		(kdbvar[kdbvarchk('t')] < 0 ? \
     58 	(pcb).pcb_regs[34] + 4 : (pcb).pcb_regs[34])
     59 #define	kdbishiddenreg(p)	((p) >= &kdbreglist[33])
     60 #define	kdbisbreak(type)	(((type) & MACH_CR_EXC_CODE) == 0x24)
     61 
     62 /* check for address wrap around */
     63 #define	kdbaddrwrap(addr,newaddr)	(((addr)^(newaddr)) >> 31)
     64 
     65 /* declare machine dependent routines defined in kadb.c */
     66 void	kdbprinttrap __P((unsigned, unsigned));
     67 void	kdbsetsstep __P((void));
     68 void	kdbclrsstep __P((void));
     69 void	kdbreadc __P((char *));
     70 void	kdbwrite __P((char *, int));
     71 void	kdbprintins __P((int, long));
     72 void	kdbstacktrace __P((int));
     73 char	*kdbmalloc __P((int));
     74