lib/libspl/include/sys/isa_defs.h

   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 */