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 */ 23 /* 24 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 25 * Use is subject to license terms. 26 */ 27 28 /* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */ 29 30 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 31 /* All Rights Reserved */ 32 33 #ifndef _REGSET_H 34 #define _REGSET_H 35 36 /* 37 */ 38 39 #ifdef __cplusplus 40 extern "C" { 41 #endif 42 43 /* 44 * The names and offsets defined here should be specified by the 45 * AMD64 ABI suppl. 46 * 47 * We make fsbase and gsbase part of the lwp context (since they're 48 * the only way to access the full 64-bit address range via the segment 49 * registers) and thus belong here too. However we treat them as 50 * read-only; if %fs or %gs are updated, the results of the descriptor 51 * table lookup that those updates implicitly cause will be reflected 52 * in the corresponding fsbase and/or gsbase values the next time the 53 * context can be inspected. However it is NOT possible to override 54 * the fsbase/gsbase settings via this interface. 55 * 56 * Direct modification of the base registers (thus overriding the 57 * descriptor table base address) can be achieved with _lwp_setprivate. 58 */ 59 60 #define REG_GSBASE 27 61 #define REG_FSBASE 26 62 #define REG_SS 25 63 #define REG_RSP 24 64 #define REG_RFL 23 65 #define REG_CS 22 66 #define REG_RIP 21 67 #define REG_DS 20 68 #define REG_ES 19 69 #define REG_ERR 18 70 #define REG_GS 17 71 #define REG_FS 16 72 #define REG_TRAPNO 15 73 #define REG_RAX 14 74 #define REG_RCX 13 75 #define REG_RDX 12 76 #define REG_RBX 11 77 #define REG_RBP 10 78 #define REG_RSI 9 79 #define REG_RDI 8 80 #define REG_R8 7 81 #define REG_R9 6 82 #define REG_R10 5 83 #define REG_R11 4 84 #define REG_R12 3 85 #define REG_R13 2 86 #define REG_R14 1 87 #define REG_R15 0 88 89 /* 90 * The names and offsets defined here are specified by i386 ABI suppl. 91 */ 92 93 #define GS 18 94 #define SS 17 /* only stored on a privilege transition */ 95 #define UESP 16 /* only stored on a privilege transition */ 96 #define EFL 15 97 #define CS 14 98 #define EIP 13 99 #define ERR 12 100 #define TRAPNO 11 101 #define EAX 10 102 #define ECX 9 103 #define EDX 8 104 #define EBX 7 105 #define ESP 6 106 #define EBP 5 107 #define ESI 4 108 #define EDI 3 109 #define DS 2 110 #define ES 1 111 #define FS 0 112 113 #define REG_PC EIP 114 #define REG_FP EBP 115 #define REG_SP UESP 116 #define REG_PS EFL 117 #define REG_R0 EAX 118 #define REG_R1 EDX 119 120 #ifdef __cplusplus 121 } 122 #endif 123 124 #endif /* _REGSET_H */ 125