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reg.h revision 1.3 
      1 /*	$NetBSD: reg.h,v 1.3 2002/04/28 17:10:36 uch Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1990 The Regents of the University of California.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * William Jolitz.
      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  *	@(#)reg.h	5.5 (Berkeley) 1/18/91
     39  */
     40 
     41 #ifndef _SH3_REG_H_
     42 #define	_SH3_REG_H_
     43 
     44 /*
     45  * Location of the users' stored
     46  * registers within appropriate frame of 'trap' and 'syscall', relative to
     47  * base of stack frame.
     48  *
     49  * XXX
     50  * The #defines aren't used in the kernel, but some user-level code still
     51  * expects them.
     52  */
     53 
     54 /* When referenced during a trap/exception, registers are at these offsets */
     55 
     56 #define	tSPC	(0)
     57 #define	tSSR	(1)
     58 #define	tPR	(2)
     59 #define	tR14	(3)
     60 #define	tR13	(4)
     61 #define	tR12	(5)
     62 #define	tR11	(6)
     63 #define	tR10	(7)
     64 #define	tR9	(8)
     65 
     66 #define	tR8	(11)
     67 #define	tR7	(12)
     68 #define	tR6	(13)
     69 #define	tR5	(14)
     70 #define	tR4	(15)
     71 #define	tR3	(16)
     72 #define	tR2	(17)
     73 #define	tR1	(18)
     74 #define	tR0	(19)
     75 
     76 /*
     77  * Registers accessible to ptrace(2) syscall for debugger
     78  * The machine-dependent code for PT_{SET,GET}REGS needs to
     79  * use whichver order, defined above, is correct, so that it
     80  * is all invisible to the user.
     81  */
     82 struct reg {
     83 	int r_spc;
     84 	int r_ssr;
     85 	int r_pr;
     86 	int r_mach;
     87 	int r_macl;
     88 	int r_r15;
     89 	int r_r14;
     90 	int r_r13;
     91 	int r_r12;
     92 	int r_r11;
     93 	int r_r10;
     94 	int r_r9;
     95 	int r_r8;
     96 	int r_r7;
     97 	int r_r6;
     98 	int r_r5;
     99 	int r_r4;
    100 	int r_r3;
    101 	int r_r2;
    102 	int r_r1;
    103 	int r_r0;
    104 };
    105 
    106 #endif /* !_SH3_REG_H_ */
    107