1 /*- 2 * Copyright (c) 2003 Peter Wemm. 3 * Copyright (c) 1990 The Regents of the University of California. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * William Jolitz. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * from: @(#)reg.h 5.5 (Berkeley) 1/18/91 34 * $FreeBSD: src/sys/amd64/include/reg.h,v 1.35 2004/04/05 23:55:14 imp Exp $ 35 */ 36 37 #ifndef _CPU_REG_H_ 38 #define _CPU_REG_H_ 39 40 /* 41 * Register set accessible via /proc/$pid/regs and PT_{SET,GET}REGS. 42 */ 43 struct reg { 44 register_t r_rdi; 45 register_t r_rsi; 46 register_t r_rdx; 47 register_t r_rcx; 48 register_t r_r8; 49 register_t r_r9; 50 register_t r_rax; 51 register_t r_rbx; 52 register_t r_rbp; 53 register_t r_r10; 54 register_t r_r11; 55 register_t r_r12; 56 register_t r_r13; 57 register_t r_r14; 58 register_t r_r15; 59 register_t r_xflags; 60 register_t r_trapno; 61 register_t r_addr; 62 register_t r_flags; 63 register_t r_err; 64 register_t r_rip; 65 register_t r_cs; 66 register_t r_rflags; 67 register_t r_rsp; 68 register_t r_ss; 69 }; 70 71 /* 72 * Register set accessible via /proc/$pid/fpregs. 73 */ 74 struct fpreg { 75 /* 76 * XXX should get struct from fpu.h. Here we give a slightly 77 * simplified struct. This may be too much detail. Perhaps 78 * an array of unsigned longs is best. 79 */ 80 unsigned long fpr_env[4]; 81 unsigned char fpr_acc[8][16]; 82 unsigned char fpr_xacc[16][16]; 83 unsigned long fpr_spare[12]; 84 }; 85 86 /* 87 * Register set accessible via /proc/$pid/dbregs. 88 */ 89 struct dbreg { 90 unsigned long dr[16]; /* debug registers */ 91 /* Index 0-3: debug address registers */ 92 /* Index 4-5: reserved */ 93 /* Index 6: debug status */ 94 /* Index 7: debug control */ 95 /* Index 8-15: reserved */ 96 }; 97 98 #define DBREG_DR7_EXEC 0x00 /* break on execute */ 99 #define DBREG_DR7_WRONLY 0x01 /* break on write */ 100 #define DBREG_DR7_RDWR 0x03 /* break on read or write */ 101 #define DBREG_DRX(d,x) ((d)->dr[(x)]) /* reference dr0 - dr15 by 102 register number */ 103 #endif /* !_CPU_REG_H_ */ 104