[apple/xnu.git] / bsd / dev / i386 / fasttrap_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
 */
/*
 * 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	_FASTTRAP_REGSET_H
#define	_FASTTRAP_REGSET_H

/*
 * APPLE NOTE: This file was orginally uts/intel/sys/regset.h
 */

#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	/* _FASTTRAP_REGSET_H */
Commit	Line	Data
2d21ac55 A	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	* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
	24	* Use is subject to license terms.
	25	*/
	26
	27	/* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */
	28
	29	/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
	30	/* All Rights Reserved */
	31
	32	#ifndef _FASTTRAP_REGSET_H
	33	#define _FASTTRAP_REGSET_H
	34
	35	/*
	36	* APPLE NOTE: This file was orginally uts/intel/sys/regset.h
	37	*/
	38
2d21ac55 A	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_DS 25
	63	#define REG_ES 24
	64
	65	#define REG_GS 23
	66	#define REG_FS 22
	67	#define REG_SS 21
	68	#define REG_RSP 20
	69	#define REG_RFL 19
	70	#define REG_CS 18
	71	#define REG_RIP 17
	72	#define REG_ERR 16
	73	#define REG_TRAPNO 15
	74	#define REG_RAX 14
	75	#define REG_RCX 13
	76	#define REG_RDX 12
	77	#define REG_RBX 11
	78	#define REG_RBP 10
	79	#define REG_RSI 9
	80	#define REG_RDI 8
	81	#define REG_R8 7
	82	#define REG_R9 6
	83	#define REG_R10 5
	84	#define REG_R11 4
	85	#define REG_R12 3
	86	#define REG_R13 2
	87	#define REG_R14 1
	88	#define REG_R15 0
	89
	90	/*
	91	* The names and offsets defined here are specified by i386 ABI suppl.
	92	*/
	93
	94	#define SS 18 /* only stored on a privilege transition */
	95	#define UESP 17 /* only stored on a privilege transition */
	96	#define EFL 16
	97	#define CS 15
	98	#define EIP 14
	99	#define ERR 13
	100	#define TRAPNO 12
	101	#define EAX 11
	102	#define ECX 10
103	#define EDX 9
104	#define EBX 8
105	#define ESP 7
106	#define EBP 6
107	#define ESI 5
108	#define EDI 4
109	#define DS 3
110	#define ES 2
111	#define FS 1
112	#define GS 0
113
b0d623f7 A	114	#define REG_PC EIP
	115	#define REG_FP EBP
	116	#define REG_SP UESP
	117	#define REG_PS EFL
	118	#define REG_R0 EAX
	119	#define REG_R1 EDX
	120
2d21ac55 A	121	#ifdef __cplusplus
	122	}
	123	#endif
	124
	125	#endif /* _FASTTRAP_REGSET_H */