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. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the University of 20 * California, Berkeley and its contributors. 21 * 4. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * from: @(#)reg.h 5.5 (Berkeley) 1/18/91 38 * $FreeBSD$ 39 */ 40 41 #ifndef _MACHINE_REG_H_ 42 #define _MACHINE_REG_H_ 43 44 /* 45 * Register set accessible via /proc/$pid/regs and PT_{SET,GET}REGS. 46 */ 47 struct reg { 48 register_t r_r15; 49 register_t r_r14; 50 register_t r_r13; 51 register_t r_r12; 52 register_t r_r11; 53 register_t r_r10; 54 register_t r_r9; 55 register_t r_r8; 56 register_t r_rdi; 57 register_t r_rsi; 58 register_t r_rbp; 59 register_t r_rbx; 60 register_t r_rdx; 61 register_t r_rcx; 62 register_t r_rax; 63 register_t r_trapno; 64 register_t r_err; 65 register_t r_rip; 66 register_t r_cs; 67 register_t r_rflags; 68 register_t r_rsp; 69 register_t r_ss; 70 }; 71 72 /* 73 * Register set accessible via /proc/$pid/fpregs. 74 */ 75 struct fpreg { 76 /* 77 * XXX should get struct from fpu.h. Here we give a slightly 78 * simplified struct. This may be too much detail. Perhaps 79 * an array of unsigned longs is best. 80 */ 81 unsigned long fpr_env[4]; 82 unsigned char fpr_acc[8][16]; 83 unsigned char fpr_xacc[16][16]; 84 unsigned long fpr_spare[12]; 85 }; 86 87 /* 88 * Register set accessible via /proc/$pid/dbregs. 89 */ 90 struct dbreg { 91 unsigned long dr[16]; /* debug registers */ 92 /* Index 0-3: debug address registers */ 93 /* Index 4-5: reserved */ 94 /* Index 6: debug status */ 95 /* Index 7: debug control */ 96 /* Index 8-15: reserved */ 97 }; 98 99 #define DBREG_DR7_EXEC 0x00 /* break on execute */ 100 #define DBREG_DR7_WRONLY 0x01 /* break on write */ 101 #define DBREG_DR7_RDWR 0x03 /* break on read or write */ 102 #define DBREG_DRX(d,x) ((d)->dr[(x)]) /* reference dr0 - dr15 by 103 register number */ 104 #ifdef _KERNEL 105 /* 106 * XXX these interfaces are MI, so they should be declared in a MI place. 107 */ 108 int fill_regs(struct thread *, struct reg *); 109 int set_regs(struct thread *, struct reg *); 110 int fill_fpregs(struct thread *, struct fpreg *); 111 int set_fpregs(struct thread *, struct fpreg *); 112 int fill_dbregs(struct thread *, struct dbreg *); 113 int set_dbregs(struct thread *, struct dbreg *); 114 #endif 115 116 #endif /* !_MACHINE_REG_H_ */ 117