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| Current File : //sys/cddl/dev/dtrace/i386/regset.h |
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
* $FreeBSD: release/9.1.0/sys/cddl/dev/dtrace/i386/regset.h 211608 2010-08-22 10:53:32Z rpaulo $
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ifndef _REGSET_H
#define _REGSET_H
/*
* #pragma ident "@(#)regset.h 1.11 05/06/08 SMI"
*/
#ifdef __cplusplus
extern "C" {
#endif
/*
* The names and offsets defined here should be specified by the
* AMD64 ABI suppl.
*
* We make fsbase and gsbase part of the lwp context (since they're
* the only way to access the full 64-bit address range via the segment
* registers) and thus belong here too. However we treat them as
* read-only; if %fs or %gs are updated, the results of the descriptor
* table lookup that those updates implicitly cause will be reflected
* in the corresponding fsbase and/or gsbase values the next time the
* context can be inspected. However it is NOT possible to override
* the fsbase/gsbase settings via this interface.
*
* Direct modification of the base registers (thus overriding the
* descriptor table base address) can be achieved with _lwp_setprivate.
*/
#define REG_GSBASE 27
#define REG_FSBASE 26
#define REG_DS 25
#define REG_ES 24
#define REG_GS 23
#define REG_FS 22
#define REG_SS 21
#define REG_RSP 20
#define REG_RFL 19
#define REG_CS 18
#define REG_RIP 17
#define REG_ERR 16
#define REG_TRAPNO 15
#define REG_RAX 14
#define REG_RCX 13
#define REG_RDX 12
#define REG_RBX 11
#define REG_RBP 10
#define REG_RSI 9
#define REG_RDI 8
#define REG_R8 7
#define REG_R9 6
#define REG_R10 5
#define REG_R11 4
#define REG_R12 3
#define REG_R13 2
#define REG_R14 1
#define REG_R15 0
/*
* The names and offsets defined here are specified by i386 ABI suppl.
*/
#define SS 18 /* only stored on a privilege transition */
#define UESP 17 /* only stored on a privilege transition */
#define EFL 16
#define CS 15
#define EIP 14
#define ERR 13
#define TRAPNO 12
#define EAX 11
#define ECX 10
#define EDX 9
#define EBX 8
#define ESP 7
#define EBP 6
#define ESI 5
#define EDI 4
#define DS 3
#define ES 2
#define FS 1
#define GS 0
#define REG_PC EIP
#define REG_FP EBP
#define REG_SP UESP
#define REG_PS EFL
#define REG_R0 EAX
#define REG_R1 EDX
#ifdef __cplusplus
}
#endif
#endif /* _REGSET_H */