bsd/crypto/aes/i386/edefs.h

   1 /*
   2  ---------------------------------------------------------------------------
   3  Copyright (c) 2003, Dr Brian Gladman, Worcester, UK.   All rights reserved.
   4
   5  LICENSE TERMS
   6
   7  The free distribution and use of this software in both source and binary
   8  form is allowed (with or without changes) provided that:
   9
  10    1. distributions of this source code include the above copyright
  11       notice, this list of conditions and the following disclaimer;
  12
  13    2. distributions in binary form include the above copyright
  14       notice, this list of conditions and the following disclaimer
  15       in the documentation and/or other associated materials;
  16
  17    3. the copyright holder's name is not used to endorse products
  18       built using this software without specific written permission.
  19
  20  ALTERNATIVELY, provided that this notice is retained in full, this product
  21  may be distributed under the terms of the GNU General Public License (GPL),
  22  in which case the provisions of the GPL apply INSTEAD OF those given above.
  23
  24  DISCLAIMER
  25
  26  This software is provided 'as is' with no explicit or implied warranties
  27  in respect of its properties, including, but not limited to, correctness
  28  and/or fitness for purpose.
  29  ---------------------------------------------------------------------------
  30  Issue 31/01/2006
  31 */
  32
  33 #ifndef EDEFS_H
  34 #define EDEFS_H
  35 #if defined(__cplusplus)
  36 extern "C"
  37 {
  38 #endif
  39
  40 #define IS_LITTLE_ENDIAN   1234 /* byte 0 is least significant (i386) */
  41 #define IS_BIG_ENDIAN      4321 /* byte 0 is most significant (mc68k) */
  42
  43 #if defined(__GNUC__) || defined(__GNU_LIBRARY__)
  44 #  if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
  45 #    include <sys/endian.h>
  46 #  elif defined( BSD ) && ( BSD >= 199103 ) || defined( __DJGPP__ ) || defined( __CYGWIN32__ )
  47 #      include <machine/endian.h>
  48 #  elif defined(__APPLE__)
  49 #    if defined(__BIG_ENDIAN__) && !defined( BIG_ENDIAN )
  50 #      define BIG_ENDIAN
  51 #    elif defined(__LITTLE_ENDIAN__) && !defined( LITTLE_ENDIAN )
  52 #      define LITTLE_ENDIAN
  53 #    endif
  54 #  elif !defined( __MINGW32__ )
  55 #    include <endian.h>
  56 #    if !defined(__BEOS__)
  57 #      include <byteswap.h>
  58 #    endif
  59 #  endif
  60 #endif
  61
  62 #if !defined(PLATFORM_BYTE_ORDER)
  63 #  if defined(LITTLE_ENDIAN) || defined(BIG_ENDIAN)
  64 #    if    defined(LITTLE_ENDIAN) && !defined(BIG_ENDIAN)
  65 #      define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
  66 #    elif !defined(LITTLE_ENDIAN) &&  defined(BIG_ENDIAN)
  67 #      define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
  68 #    elif defined(BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN)
  69 #      define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
  70 #    elif defined(BYTE_ORDER) && (BYTE_ORDER == BIG_ENDIAN)
  71 #      define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
  72 #    endif
  73 #  elif defined(_LITTLE_ENDIAN) || defined(_BIG_ENDIAN)
  74 #    if    defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
  75 #      define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
  76 #    elif !defined(_LITTLE_ENDIAN) &&  defined(_BIG_ENDIAN)
  77 #      define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
  78 #    elif defined(_BYTE_ORDER) && (_BYTE_ORDER == _LITTLE_ENDIAN)
  79 #      define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
  80 #    elif defined(_BYTE_ORDER) && (_BYTE_ORDER == _BIG_ENDIAN)
  81 #      define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
  82 #   endif
  83 #  elif defined(__LITTLE_ENDIAN__) || defined(__BIG_ENDIAN__)
  84 #    if    defined(__LITTLE_ENDIAN__) && !defined(__BIG_ENDIAN__)
  85 #      define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
  86 #    elif !defined(__LITTLE_ENDIAN__) &&  defined(__BIG_ENDIAN__)
  87 #      define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
  88 #    elif defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __LITTLE_ENDIAN__)
  89 #      define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
  90 #    elif defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __BIG_ENDIAN__)
  91 #      define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
  92 #    endif
  93 #  endif
  94 #endif
  95
  96 /*  if the platform is still unknown, try to find its byte order    */
  97 /*  from commonly used machine defines                              */
  98
  99 #if !defined(PLATFORM_BYTE_ORDER)
 100
 101 #if   defined( __alpha__ ) || defined( __alpha ) || defined( i386 )       || \
 102       defined( __i386__ )  || defined( _M_I86 )  || defined( _M_IX86 )    || \
 103       defined( __OS2__ )   || defined( sun386 )  || defined( __TURBOC__ ) || \
 104       defined( vax )       || defined( vms )     || defined( VMS )        || \
 105       defined( __VMS )     || defined( _M_X64 )
 106 #  define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
 107
 108 #elif defined( AMIGA )    || defined( applec )  || defined( __AS400__ )  || \
 109       defined( _CRAY )    || defined( __hppa )  || defined( __hp9000 )   || \
 110       defined( ibm370 )   || defined( mc68000 ) || defined( m68k )       || \
 111       defined( __MRC__ )  || defined( __MVS__ ) || defined( __MWERKS__ ) || \
 112       defined( sparc )    || defined( __sparc)  || defined( SYMANTEC_C ) || \
 113       defined( __TANDEM ) || defined( THINK_C ) || defined( __VMCMS__ )  || \
 114           defined( __VOS__ )
 115 #  define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
 116
 117 #elif 0     /* **** EDIT HERE IF NECESSARY **** */
 118 #  define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
 119 #elif 0     /* **** EDIT HERE IF NECESSARY **** */
 120 #  define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
 121 #else
 122 #  error Please edit edefs.h (lines 117 or 119) to set the platform byte order
 123 #endif
 124
 125 #endif
 126
 127 #if defined(__cplusplus)
 128 }
 129 #endif
 130 #endif