1 /* $OpenBSD: reg.h,v 1.7 2011/03/23 16:54:35 pirofti Exp $ */ 2 /* $NetBSD: reg.h,v 1.14 1995/10/11 04:20:24 mycroft Exp $ */ 3 4 /*- 5 * Copyright (c) 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 * William Jolitz. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)reg.h 5.5 (Berkeley) 1/18/91 36 */ 37 38 #ifndef _MACHINE_REG_H_ 39 #define _MACHINE_REG_H_ 40 41 /* 42 * Location of the users' stored 43 * registers within appropriate frame of 'trap' and 'syscall', relative to 44 * base of stack frame. 45 * Normal usage is u.u_ar0[XX] in kernel. 46 */ 47 48 /* When referenced during a trap/exception, registers are at these offsets */ 49 50 #define tES (0) 51 #define tDS (1) 52 #define tEDI (2) 53 #define tESI (3) 54 #define tEBP (4) 55 #define tEBX (5) 56 #define tEDX (6) 57 #define tECX (7) 58 #define tEAX (8) 59 60 #define tEIP (11) 61 #define tCS (12) 62 #define tEFLAGS (13) 63 #define tESP (14) 64 #define tSS (15) 65 66 /* 67 * Registers accessible to ptrace(2) syscall for debugger 68 * The machine-dependent code for PT_{SET,GET}REGS needs to 69 * use whichever order, defined above, is correct, so that it 70 * is all invisible to the user. 71 */ 72 struct reg { 73 int r_eax; 74 int r_ecx; 75 int r_edx; 76 int r_ebx; 77 int r_esp; 78 int r_ebp; 79 int r_esi; 80 int r_edi; 81 int r_eip; 82 int r_eflags; 83 int r_cs; 84 int r_ss; 85 int r_ds; 86 int r_es; 87 int r_fs; 88 int r_gs; 89 }; 90 91 struct fpreg { 92 /* 93 * XXX 94 * Fill this in with real info. 95 */ 96 char __data[116]; 97 }; 98 99 struct xmmregs { 100 char __data[512]; 101 }; 102 103 #endif /* !_MACHINE_REG_H_ */ 104