regset.h revision 297077
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: stable/10/sys/cddl/dev/dtrace/x86/regset.h 297077 2016-03-20 20:00:25Z mav $ 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 42extern "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