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reg.h revision 1.9 
      1 /*	$NetBSD: reg.h,v 1.9 1995/01/26 18:26:01 mycroft Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1988 University of Utah.
      5  * Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
      6  * All rights reserved.
      7  *
      8  * This code is derived from software contributed to Berkeley by
      9  * the Systems Programming Group of the University of Utah Computer
     10  * Science Department.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. All advertising materials mentioning features or use of this software
     21  *    must display the following acknowledgement:
     22  *	This product includes software developed by the University of
     23  *	California, Berkeley and its contributors.
     24  * 4. 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  * from: Utah Hdr: reg.h 1.1 90/07/09
     41  *
     42  *	@(#)reg.h	7.2 (Berkeley) 11/3/90
     43  */
     44 
     45 #ifndef _M68K_REG_H_
     46 #define _M68K_REG_H_
     47 
     48 /*
     49  * Register set accessible via /proc/$pid/reg and ptrace()
     50  */
     51 struct reg {
     52 	int	r_regs[16];	/* D0-D7/A0-A7 */
     53 	int	r_sr;
     54 	int	r_pc;
     55 };
     56 
     57 /* XXXX this is historical (but it can't be deprecated quite yet) */
     58 
     59 /*
     60  * Location of the users' stored
     61  * registers relative to D0.
     62  * Usage is u.u_ar0[XX].
     63  */
     64 #define	D0	(0)
     65 #define	D1	(1)
     66 #define	D2	(2)
     67 #define	D3	(3)
     68 #define	D4	(4)
     69 #define	D5	(5)
     70 #define	D6	(6)
     71 #define	D7	(7)
     72 #define	A0	(8)
     73 #define	A1	(9)
     74 #define	A2	(10)
     75 #define	A3	(11)
     76 #define	A4	(12)
     77 #define	A5	(13)
     78 #define	A6	(14)
     79 #define	A7	(15)
     80 
     81 #define	SP	A7
     82 #define	PS	(16)
     83 #define	PC	(17)
     84 
     85 #ifdef KERNEL
     86 /*
     87  * Due to a mental lapse somewhere down the line, wait returns its values
     88  * in strange registers.  Kludge it up here so we don't have to in the
     89  * machine-independent code.
     90  */
     91 #define	R0	D1
     92 #define	R1	A0
     93 #endif
     94 
     95 #endif /* !_M68K_REG_H_ */
     96