[mirror_zfs.git] / lib / libspl / include / sys / isa_defs.h

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef	_SYS_ISA_DEFS_H
#define	_SYS_ISA_DEFS_H

#ifdef  __cplusplus
extern "C" {
#endif

/* x86_64 arch specific defines */
#if defined(__x86_64) || defined(__x86_64__)

#if !defined(__x86_64)
#define	__x86_64
#endif

#if !defined(__amd64)
#define	__amd64
#endif

#if !defined(__x86)
#define	__x86
#endif

#if !defined(_LP64)
#define	_LP64
#endif

#if !defined(_LITTLE_ENDIAN)
#define	_LITTLE_ENDIAN
#endif

#define	_SUNOS_VTOC_16

/* i386 arch specific defines */
#elif defined(__i386) || defined(__i386__)

#if !defined(__i386)
#define	__i386
#endif

#if !defined(__x86)
#define	__x86
#endif

#if !defined(_ILP32)
#define	_ILP32
#endif

#if !defined(_LITTLE_ENDIAN)
#define	_LITTLE_ENDIAN
#endif

#define	_SUNOS_VTOC_16

/* powerpc arch specific defines */
#elif defined(__powerpc) || defined(__powerpc__)

#if !defined(__powerpc)
#define	__powerpc
#endif

#if !defined(__powerpc__)
#define	__powerpc__
#endif

#if !defined(_LP64)
#ifdef __powerpc64__
#define	_LP64
#else
#define	_LP32
#endif
#endif

#if !defined(_BIG_ENDIAN)
#define	_BIG_ENDIAN
#endif

#define	_SUNOS_VTOC_16

/* arm arch specific defines */
#elif defined(__arm) || defined(__arm__)

#if !defined(__arm)
#define	__arm
#endif

#if !defined(__arm__)
#define	__arm__
#endif

#if defined(__ARMEL__)
#define	_LITTLE_ENDIAN
#else
#define	_BIG_ENDIAN
#endif

#define	_SUNOS_VTOC_16

#else /* Currently only x86_64, i386, arm, and powerpc arches supported */
#error "Unsupported ISA type"
#endif

#if defined(_ILP32) && defined(_LP64)
#error "Both _ILP32 and _LP64 are defined"
#endif

#if defined(_LITTLE_ENDIAN) && defined(_BIG_ENDIAN)
#error "Both _LITTLE_ENDIAN and _BIG_ENDIAN are defined"
#endif

#if !defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
#error "Neither _LITTLE_ENDIAN nor _BIG_ENDIAN are defined"
#endif

#ifdef  __cplusplus
}
#endif

#endif	/* _SYS_ISA_DEFS_H */
Commit	Line	Data
	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 (the "License").
	6	* You may not use this file except in compliance with the License.
	7	*
	8	* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
	9	* or http://www.opensolaris.org/os/licensing.
	10	* See the License for the specific language governing permissions
	11	* and limitations under the License.
	12	*
	13	* When distributing Covered Code, include this CDDL HEADER in each
	14	* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
	15	* If applicable, add the following below this CDDL HEADER, with the
	16	* fields enclosed by brackets "[]" replaced with your own identifying
	17	* information: Portions Copyright [yyyy] [name of copyright owner]
	18	*
	19	* CDDL HEADER END
	20	*/
	21
	22	/*
	23	* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
	24	* Use is subject to license terms.
	25	*/
	26
	27	#ifndef _SYS_ISA_DEFS_H
	28	#define _SYS_ISA_DEFS_H
	29
	30	#ifdef __cplusplus
	31	extern "C" {
	32	#endif
	33
	34	/* x86_64 arch specific defines */
	35	#if defined(__x86_64) \|\| defined(__x86_64__)
	36
	37	#if !defined(__x86_64)
	38	#define __x86_64
	39	#endif
	40
	41	#if !defined(__amd64)
	42	#define __amd64
	43	#endif
	44
	45	#if !defined(__x86)
	46	#define __x86
	47	#endif
	48
	49	#if !defined(_LP64)
	50	#define _LP64
	51	#endif
	52
	53	#if !defined(_LITTLE_ENDIAN)
	54	#define _LITTLE_ENDIAN
	55	#endif
	56
	57	#define _SUNOS_VTOC_16
	58
	59	/* i386 arch specific defines */
	60	#elif defined(__i386) \|\| defined(__i386__)
	61
	62	#if !defined(__i386)
	63	#define __i386
	64	#endif
	65
	66	#if !defined(__x86)
	67	#define __x86
	68	#endif
	69
	70	#if !defined(_ILP32)
	71	#define _ILP32
	72	#endif
	73
	74	#if !defined(_LITTLE_ENDIAN)
	75	#define _LITTLE_ENDIAN
	76	#endif
	77
	78	#define _SUNOS_VTOC_16
	79
	80	/* powerpc arch specific defines */
	81	#elif defined(__powerpc) \|\| defined(__powerpc__)
	82
	83	#if !defined(__powerpc)
	84	#define __powerpc
	85	#endif
	86
	87	#if !defined(__powerpc__)
	88	#define __powerpc__
	89	#endif
	90
	91	#if !defined(_LP64)
	92	#ifdef __powerpc64__
	93	#define _LP64
	94	#else
	95	#define _LP32
	96	#endif
	97	#endif
	98
	99	#if !defined(_BIG_ENDIAN)
	100	#define _BIG_ENDIAN
	101	#endif
	102
	103	#define _SUNOS_VTOC_16
	104
	105	/* arm arch specific defines */
	106	#elif defined(__arm) \|\| defined(__arm__)
	107
	108	#if !defined(__arm)
	109	#define __arm
	110	#endif
	111
	112	#if !defined(__arm__)
	113	#define __arm__
	114	#endif
	115
	116	#if defined(__ARMEL__)
	117	#define _LITTLE_ENDIAN
	118	#else
	119	#define _BIG_ENDIAN
	120	#endif
	121
	122	#define _SUNOS_VTOC_16
	123
	124	#else /* Currently only x86_64, i386, arm, and powerpc arches supported */
	125	#error "Unsupported ISA type"
	126	#endif
	127
	128	#if defined(_ILP32) && defined(_LP64)
	129	#error "Both _ILP32 and _LP64 are defined"
	130	#endif
	131
	132	#if defined(_LITTLE_ENDIAN) && defined(_BIG_ENDIAN)
	133	#error "Both _LITTLE_ENDIAN and _BIG_ENDIAN are defined"
	134	#endif
	135
	136	#if !defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
	137	#error "Neither _LITTLE_ENDIAN nor _BIG_ENDIAN are defined"
	138	#endif
	139
	140	#ifdef __cplusplus
	141	}
	142	#endif
	143
	144	#endif /* _SYS_ISA_DEFS_H */