1 /**************************************************************************
3 * Copyright 2007-2008 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
34 #if defined(__BYTE_ORDER) && (__BYTE_ORDER == __LITTLE_ENDIAN)
35 # define UTIL_ARCH_LITTLE_ENDIAN 1
36 # define UTIL_ARCH_BIG_ENDIAN 0
37 #elif defined(__BYTE_ORDER) && (__BYTE_ORDER == __BIG_ENDIAN)
38 # define UTIL_ARCH_LITTLE_ENDIAN 0
39 # define UTIL_ARCH_BIG_ENDIAN 1
42 #if defined(BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN)
43 # define UTIL_ARCH_LITTLE_ENDIAN 1
44 # define UTIL_ARCH_BIG_ENDIAN 0
45 #elif defined(BYTE_ORDER) && (BYTE_ORDER == BIG_ENDIAN)
46 # define UTIL_ARCH_LITTLE_ENDIAN 0
47 # define UTIL_ARCH_BIG_ENDIAN 1
50 #elif defined(__APPLE__)
51 #include <machine/endian.h>
53 #if __DARWIN_BYTE_ORDER == __DARWIN_LITTLE_ENDIAN
54 # define UTIL_ARCH_LITTLE_ENDIAN 1
55 # define UTIL_ARCH_BIG_ENDIAN 0
56 #elif __DARWIN_BYTE_ORDER == __DARWIN_BIG_ENDIAN
57 # define UTIL_ARCH_LITTLE_ENDIAN 0
58 # define UTIL_ARCH_BIG_ENDIAN 1
62 #include <sys/isa_defs.h>
64 #if defined(_LITTLE_ENDIAN)
65 # define UTIL_ARCH_LITTLE_ENDIAN 1
66 # define UTIL_ARCH_BIG_ENDIAN 0
67 #elif defined(_BIG_ENDIAN)
68 # define UTIL_ARCH_LITTLE_ENDIAN 0
69 # define UTIL_ARCH_BIG_ENDIAN 1
72 #elif defined(__NetBSD__) || defined(__FreeBSD__) || \
73 defined(__DragonFly__)
74 #include <sys/types.h>
75 #include <machine/endian.h>
77 #if _BYTE_ORDER == _LITTLE_ENDIAN
78 # define UTIL_ARCH_LITTLE_ENDIAN 1
79 # define UTIL_ARCH_BIG_ENDIAN 0
80 #elif _BYTE_ORDER == _BIG_ENDIAN
81 # define UTIL_ARCH_LITTLE_ENDIAN 0
82 # define UTIL_ARCH_BIG_ENDIAN 1
85 #elif defined(_WIN32) || defined(ANDROID)
87 #define UTIL_ARCH_LITTLE_ENDIAN 1
88 #define UTIL_ARCH_BIG_ENDIAN 0
92 #if !defined(UTIL_ARCH_LITTLE_ENDIAN) || !defined(UTIL_ARCH_BIG_ENDIAN)
93 # error "UTIL_ARCH_LITTLE_ENDIAN and/or UTIL_ARCH_BIG_ENDIAN were unset."
94 #elif UTIL_ARCH_LITTLE_ENDIAN == UTIL_ARCH_BIG_ENDIAN
95 # error "UTIL_ARCH_LITTLE_ENDIAN and UTIL_ARCH_BIG_ENDIAN must not both be 1 or 0."