1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 * 22 * $FreeBSD$ 23 */ 24 /* 25 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 26 * Use is subject to license terms. 27 */ 28 29 /* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */ 30 31 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 32 /* All Rights Reserved */ 33 34 #ifndef _REGSET_H 35 #define _REGSET_H 36 37 /* 38 * #pragma ident "@(#)regset.h 1.11 05/06/08 SMI" 39 */ 40 41 #ifdef __cplusplus 42 extern "C" { 43 #endif 44 45 /* 46 * The names and offsets defined here should be specified by the 47 * AMD64 ABI suppl. 48 * 49 * We make fsbase and gsbase part of the lwp context (since they're 50 * the only way to access the full 64-bit address range via the segment 51 * registers) and thus belong here too. However we treat them as 52 * read-only; if %fs or %gs are updated, the results of the descriptor 53 * table lookup that those updates implicitly cause will be reflected 54 * in the corresponding fsbase and/or gsbase values the next time the 55 * context can be inspected. However it is NOT possible to override 56 * the fsbase/gsbase settings via this interface. 57 * 58 * Direct modification of the base registers (thus overriding the 59 * descriptor table base address) can be achieved with _lwp_setprivate. 60 */ 61 62 #define REG_GSBASE 27 63 #define REG_FSBASE 26 64 #ifdef illumos 65 #define REG_DS 25 66 #define REG_ES 24 67 68 #define REG_GS 23 69 #define REG_FS 22 70 #define REG_SS 21 71 #define REG_RSP 20 72 #define REG_RFL 19 73 #define REG_CS 18 74 #define REG_RIP 17 75 #define REG_ERR 16 76 #define REG_TRAPNO 15 77 #define REG_RAX 14 78 #define REG_RCX 13 79 #define REG_RDX 12 80 #define REG_RBX 11 81 #define REG_RBP 10 82 #define REG_RSI 9 83 #define REG_RDI 8 84 #define REG_R8 7 85 #define REG_R9 6 86 #define REG_R10 5 87 #define REG_R11 4 88 #define REG_R12 3 89 #define REG_R13 2 90 #define REG_R14 1 91 #define REG_R15 0 92 #else /* !illumos */ 93 #define REG_SS 25 94 #define REG_RSP 24 95 #define REG_RFL 23 96 #define REG_CS 22 97 #define REG_RIP 21 98 #define REG_DS 20 99 #define REG_ES 19 100 #define REG_ERR 18 101 #define REG_GS 17 102 #define REG_FS 16 103 #define REG_TRAPNO 15 104 #define REG_RAX 14 105 #define REG_RCX 13 106 #define REG_RDX 12 107 #define REG_RBX 11 108 #define REG_RBP 10 109 #define REG_RSI 9 110 #define REG_RDI 8 111 #define REG_R8 7 112 #define REG_R9 6 113 #define REG_R10 5 114 #define REG_R11 4 115 #define REG_R12 3 116 #define REG_R13 2 117 #define REG_R14 1 118 #define REG_R15 0 119 #endif /* illumos */ 120 121 /* 122 * The names and offsets defined here are specified by i386 ABI suppl. 123 */ 124 125 #ifdef illumos 126 #define SS 18 /* only stored on a privilege transition */ 127 #define UESP 17 /* only stored on a privilege transition */ 128 #define EFL 16 129 #define CS 15 130 #define EIP 14 131 #define ERR 13 132 #define TRAPNO 12 133 #define EAX 11 134 #define ECX 10 135 #define EDX 9 136 #define EBX 8 137 #define ESP 7 138 #define EBP 6 139 #define ESI 5 140 #define EDI 4 141 #define DS 3 142 #define ES 2 143 #define FS 1 144 #define GS 0 145 #else /* !illumos */ 146 #define GS 18 147 #define SS 17 /* only stored on a privilege transition */ 148 #define UESP 16 /* only stored on a privilege transition */ 149 #define EFL 15 150 #define CS 14 151 #define EIP 13 152 #define ERR 12 153 #define TRAPNO 11 154 #define EAX 10 155 #define ECX 9 156 #define EDX 8 157 #define EBX 7 158 #define ESP 6 159 #define EBP 5 160 #define ESI 4 161 #define EDI 3 162 #define DS 2 163 #define ES 1 164 #define FS 0 165 #endif /* illumos */ 166 167 #define REG_PC EIP 168 #define REG_FP EBP 169 #define REG_SP UESP 170 #define REG_PS EFL 171 #define REG_R0 EAX 172 #define REG_R1 EDX 173 174 #ifdef __cplusplus 175 } 176 #endif 177 178 #endif /* _REGSET_H */ 179