1 /* $NetBSD: reg.h,v 1.21 2019/10/27 09:38:09 rin 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. 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: Utah Hdr: reg.h 1.1 90/07/09 37 * 38 * @(#)reg.h 7.2 (Berkeley) 11/3/90 39 */ 40 41 #ifndef _M68K_REG_H_ 42 #define _M68K_REG_H_ 43 44 /* 45 * Register set accessible via /proc/$pid/reg and ptrace() 46 */ 47 struct reg { 48 int r_regs[16]; /* D0-D7/A0-A7 */ 49 int r_sr; 50 int r_pc; 51 }; 52 53 struct fpreg { 54 int r_regs[8*3]; /* FP0-FP7 */ 55 int r_fpcr; 56 int r_fpsr; 57 int r_fpiar; 58 }; 59 60 #if defined(_KERNEL) || defined(_STANDALONE) 61 62 /* XXXX this is historical (but it can't be deprecated quite yet) */ 63 /* 64 * Location of the users' stored 65 * registers relative to D0. 66 * Usage is u.u_ar0[XX]. 67 */ 68 #define D0 (0) 69 #define D1 (1) 70 #define D2 (2) 71 #define D3 (3) 72 #define D4 (4) 73 #define D5 (5) 74 #define D6 (6) 75 #define D7 (7) 76 #define A0 (8) 77 #define A1 (9) 78 #define A2 (10) 79 #define A3 (11) 80 #define A4 (12) 81 #define A5 (13) 82 #define A6 (14) 83 #define A7 (15) 84 85 #define FP A6 86 #define SP A7 87 #define PS (16) 88 #define PC (17) 89 90 /* 91 * Due to a mental lapse somewhere down the line, wait returns its values 92 * in strange registers. Kludge it up here so we don't have to in the 93 * machine-independent code. 94 */ 95 #define R0 D1 96 #define R1 A0 97 98 #endif /* _KERNEL || _STANDALONE */ 99 100 #ifdef _KERNEL 101 102 struct lwp; 103 int process_read_regs(struct lwp *, struct reg *); 104 int process_read_fpregs(struct lwp *, struct fpreg *, size_t *); 105 106 #endif /* _KERNEL */ 107 108 #endif /* !_M68K_REG_H_ */ 109