1 /* $NetBSD: reg.h,v 1.17 2001/12/05 00:58:06 thorpej 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 _I386_REG_H_ 42 #define _I386_REG_H_ 43 44 #include <machine/frame.h> 45 46 /* 47 * Location of the users' stored 48 * registers within appropriate frame of 'trap' and 'syscall', relative to 49 * base of stack frame. 50 * 51 * XXX these should be nuked. Currently used by math_emulate.c, and they 52 * used to be used in the NetBSD/i386 bits of gdb, but no more. 53 */ 54 55 /* When referenced during a trap/exception, registers are at these offsets */ 56 57 #define tES (offsetof(struct trapframe, tf_es) / sizeof (int)) 58 #define tDS (offsetof(struct trapframe, tf_ds) / sizeof (int)) 59 #define tEDI (offsetof(struct trapframe, tf_edi) / sizeof (int)) 60 #define tESI (offsetof(struct trapframe, tf_esi) / sizeof (int)) 61 #define tEBP (offsetof(struct trapframe, tf_ebp) / sizeof (int)) 62 #define tEBX (offsetof(struct trapframe, tf_ebx) / sizeof (int)) 63 #define tEDX (offsetof(struct trapframe, tf_edx) / sizeof (int)) 64 #define tECX (offsetof(struct trapframe, tf_ecx) / sizeof (int)) 65 #define tEAX (offsetof(struct trapframe, tf_eax) / sizeof (int)) 66 67 #define tEIP (offsetof(struct trapframe, tf_eip) / sizeof (int)) 68 #define tCS (offsetof(struct trapframe, tf_cs) / sizeof (int)) 69 #define tEFLAGS (offsetof(struct trapframe, tf_eflags) / sizeof (int)) 70 #define tESP (offsetof(struct trapframe, tf_esp) / sizeof (int)) 71 #define tSS (offsetof(struct trapframe, tf_ss) / sizeof (int)) 72 73 /* 74 * Registers accessible to ptrace(2) syscall for debugger 75 * The machine-dependent code for PT_{SET,GET}REGS needs to 76 * use whichver order, defined above, is correct, so that it 77 * is all invisible to the user. 78 */ 79 struct reg { 80 int r_eax; 81 int r_ecx; 82 int r_edx; 83 int r_ebx; 84 int r_esp; 85 int r_ebp; 86 int r_esi; 87 int r_edi; 88 int r_eip; 89 int r_eflags; 90 int r_cs; 91 int r_ss; 92 int r_ds; 93 int r_es; 94 int r_fs; 95 int r_gs; 96 }; 97 98 struct fpreg { 99 /* 100 * XXX 101 * Fill this in with real info. 102 */ 103 char __data[108]; 104 }; 105 106 struct xmmregs { 107 /* 108 * XXX 109 * Fill this in with real info. 110 */ 111 char __data[512]; 112 }; 113 114 #endif /* !_I386_REG_H_ */ 115