1/*  This file is part of the program psim.
2
3    Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
4
5    This program is free software; you can redistribute it and/or modify
6    it under the terms of the GNU General Public License as published by
7    the Free Software Foundation; either version 2 of the License, or
8    (at your option) any later version.
9
10    This program is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13    GNU General Public License for more details.
14
15    You should have received a copy of the GNU General Public License
16    along with this program; if not, write to the Free Software
17    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18
19    */
20
21
22#ifndef _SIM_ENDIAN_C_
23#define _SIM_ENDIAN_C_
24
25#include "config.h"
26#include "basics.h"
27
28
29#if !defined(_SWAP_1)
30#define _SWAP_1(SET,RAW) SET (RAW)
31#endif
32
33#if !defined(_SWAP_2) && (WITH_HOST_BYTE_ORDER == LITTLE_ENDIAN) && defined(htons)
34#define _SWAP_2(SET,RAW) SET htons (RAW)
35#endif
36
37#ifndef	_SWAP_2
38#define _SWAP_2(SET,RAW) SET (((RAW) >> 8) | ((RAW) << 8))
39#endif
40
41#if !defined(_SWAP_4) && (WITH_HOST_BYTE_ORDER == LITTLE_ENDIAN) && defined(htonl)
42#define _SWAP_4(SET,RAW) SET htonl (RAW)
43#endif
44
45#ifndef _SWAP_4
46#define	_SWAP_4(SET,RAW) SET (((RAW) << 24) | (((RAW) & 0xff00) << 8) | (((RAW) & 0xff0000) >> 8) | ((RAW) >> 24))
47#endif
48
49#ifndef _SWAP_8
50#define _SWAP_8(SET,RAW) \
51  union { unsigned_8 dword; unsigned_4 words[2]; } in, out; \
52  in.dword = RAW; \
53  _SWAP_4 (out.words[0] =, in.words[1]); \
54  _SWAP_4 (out.words[1] =, in.words[0]); \
55  SET out.dword;
56#endif
57
58#define N 1
59#include "sim-endian-n.h"
60#undef N
61
62#define N 2
63#include "sim-endian-n.h"
64#undef N
65
66#define N 4
67#include "sim-endian-n.h"
68#undef N
69
70#define N 8
71#include "sim-endian-n.h"
72#undef N
73
74#endif /* _SIM_ENDIAN_C_ */
75