1 /* $NetBSD: reg.h,v 1.19 2008/01/16 09:37:08 ad 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. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)reg.h 5.5 (Berkeley) 1/18/91 35 */ 36 37 #ifndef _I386_REG_H_ 38 #define _I386_REG_H_ 39 40 #include <machine/frame.h> 41 42 /* 43 * Location of the users' stored 44 * registers within appropriate frame of 'trap' and 'syscall', relative to 45 * base of stack frame. 46 * 47 * XXX these should be nuked. They used to be used in the NetBSD/i386 bits 48 * of gdb, but no more. 49 */ 50 51 /* When referenced during a trap/exception, registers are at these offsets */ 52 53 #define tES (offsetof(struct trapframe, tf_es) / sizeof (int)) 54 #define tDS (offsetof(struct trapframe, tf_ds) / sizeof (int)) 55 #define tEDI (offsetof(struct trapframe, tf_edi) / sizeof (int)) 56 #define tESI (offsetof(struct trapframe, tf_esi) / sizeof (int)) 57 #define tEBP (offsetof(struct trapframe, tf_ebp) / sizeof (int)) 58 #define tEBX (offsetof(struct trapframe, tf_ebx) / sizeof (int)) 59 #define tEDX (offsetof(struct trapframe, tf_edx) / sizeof (int)) 60 #define tECX (offsetof(struct trapframe, tf_ecx) / sizeof (int)) 61 #define tEAX (offsetof(struct trapframe, tf_eax) / sizeof (int)) 62 63 #define tEIP (offsetof(struct trapframe, tf_eip) / sizeof (int)) 64 #define tCS (offsetof(struct trapframe, tf_cs) / sizeof (int)) 65 #define tEFLAGS (offsetof(struct trapframe, tf_eflags) / sizeof (int)) 66 #define tESP (offsetof(struct trapframe, tf_esp) / sizeof (int)) 67 #define tSS (offsetof(struct trapframe, tf_ss) / sizeof (int)) 68 69 /* 70 * Registers accessible to ptrace(2) syscall for debugger 71 * The machine-dependent code for PT_{SET,GET}REGS needs to 72 * use whichver order, defined above, is correct, so that it 73 * is all invisible to the user. 74 */ 75 struct reg { 76 int r_eax; 77 int r_ecx; 78 int r_edx; 79 int r_ebx; 80 int r_esp; 81 int r_ebp; 82 int r_esi; 83 int r_edi; 84 int r_eip; 85 int r_eflags; 86 int r_cs; 87 int r_ss; 88 int r_ds; 89 int r_es; 90 int r_fs; 91 int r_gs; 92 }; 93 94 struct fpreg { 95 /* 96 * XXX 97 * Fill this in with real info. 98 */ 99 char __data[108]; 100 }; 101 102 struct xmmregs { 103 /* 104 * XXX 105 * Fill this in with real info. 106 */ 107 char __data[512]; 108 }; 109 110 #endif /* !_I386_REG_H_ */ 111