lttng-endian.h

   1 /* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1) */
   2 #ifndef _LTTNG_ENDIAN_H
   3 #define _LTTNG_ENDIAN_H
   4
   5 /*
   6  * lttng-endian.h
   7  *
   8  * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   9  */
  10
  11 #ifdef __KERNEL__
  12 # include <asm/byteorder.h>
  13 # ifdef __BIG_ENDIAN
  14 #  define __BYTE_ORDER __BIG_ENDIAN
  15 # elif defined(__LITTLE_ENDIAN)
  16 #  define __BYTE_ORDER __LITTLE_ENDIAN
  17 # else
  18 #  error "unknown endianness"
  19 # endif
  20 #ifndef __BIG_ENDIAN
  21 # define __BIG_ENDIAN 4321
  22 #endif
  23 #ifndef __LITTLE_ENDIAN
  24 # define __LITTLE_ENDIAN 1234
  25 #endif
  26 #else
  27 # include <endian.h>
  28 #endif
  29
  30 #endif /* _LTTNG_ENDIAN_H */