lttng-endian.h

   1 #ifndef _LTTNG_ENDIAN_H
   2 #define _LTTNG_ENDIAN_H
   3
   4 /*
   5  * lttng-endian.h
   6  *
   7  * Copyright 2010-2011 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   8  *
   9  * Dual LGPL v2.1/GPL v2 license.
  10  */
  11
  12 #ifdef __KERNEL__
  13 # include <asm/byteorder.h>
  14 # ifdef __BIG_ENDIAN
  15 #  define __BYTE_ORDER __BIG_ENDIAN
  16 # elif defined(__LITTLE_ENDIAN)
  17 #  define __BYTE_ORDER __LITTLE_ENDIAN
  18 # else
  19 #  error "unknown endianness"
  20 # endif
  21 #ifndef __BIG_ENDIAN
  22 # define __BIG_ENDIAN 4321
  23 #endif
  24 #ifndef __LITTLE_ENDIAN
  25 # define __LITTLE_ENDIAN 1234
  26 #endif
  27 #else
  28 # include <endian.h>
  29 #endif
  30
  31 #endif /* _LTTNG_ENDIAN_H */