OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [linux/] [uClibc/] [include/] [endian.h] - Blame information for rev 1325

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 1325 phoenix
/* Copyright (C) 1992, 1996, 1997, 2000 Free Software Foundation, Inc.
2
   This file is part of the GNU C Library.
3
 
4
   The GNU C Library is free software; you can redistribute it and/or
5
   modify it under the terms of the GNU Lesser General Public
6
   License as published by the Free Software Foundation; either
7
   version 2.1 of the License, or (at your option) any later version.
8
 
9
   The GNU C Library is distributed in the hope that it will be useful,
10
   but WITHOUT ANY WARRANTY; without even the implied warranty of
11
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12
   Lesser General Public License for more details.
13
 
14
   You should have received a copy of the GNU Lesser General Public
15
   License along with the GNU C Library; if not, write to the Free
16
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17
   02111-1307 USA.  */
18
 
19
#ifndef _ENDIAN_H
20
#define _ENDIAN_H       1
21
 
22
#include <features.h>
23
 
24
/* Definitions for byte order, according to significance of bytes,
25
   from low addresses to high addresses.  The value is what you get by
26
   putting '4' in the most significant byte, '3' in the second most
27
   significant byte, '2' in the second least significant byte, and '1'
28
   in the least significant byte, and then writing down one digit for
29
   each byte, starting with the byte at the lowest address at the left,
30
   and proceeding to the byte with the highest address at the right.  */
31
 
32
#define __LITTLE_ENDIAN 1234
33
#define __BIG_ENDIAN    4321
34
#define __PDP_ENDIAN    3412
35
 
36
/* This file defines `__BYTE_ORDER' for the particular machine.  */
37
#include <bits/endian.h>
38
 
39
/* Some machines may need to use a different endianness for floating point
40
   values.  */
41
#ifndef __FLOAT_WORD_ORDER
42
# define __FLOAT_WORD_ORDER __BYTE_ORDER
43
#endif
44
 
45
#ifdef  __USE_BSD
46
# define LITTLE_ENDIAN  __LITTLE_ENDIAN
47
# define BIG_ENDIAN     __BIG_ENDIAN
48
# define PDP_ENDIAN     __PDP_ENDIAN
49
# define BYTE_ORDER     __BYTE_ORDER
50
#endif
51
 
52
#if __BYTE_ORDER == __LITTLE_ENDIAN
53
# define __LONG_LONG_PAIR(HI, LO) LO, HI
54
#elif __BYTE_ORDER == __BIG_ENDIAN
55
# define __LONG_LONG_PAIR(HI, LO) HI, LO
56
#endif
57
 
58
#endif  /* endian.h */

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.