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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 "sim-basics.h" | |
26 | ||
27 | ||
28 | #if !defined(_SWAP_1) | |
29 | #define _SWAP_1(SET,RAW) SET (RAW) | |
30 | #endif | |
31 | ||
32 | #if !defined(_SWAP_2) && (WITH_HOST_BYTE_ORDER == LITTLE_ENDIAN) && defined(htons) | |
33 | #define _SWAP_2(SET,RAW) SET htons (RAW) | |
34 | #endif | |
35 | ||
36 | #ifndef _SWAP_2 | |
37 | #define _SWAP_2(SET,RAW) SET (((RAW) >> 8) | ((RAW) << 8)) | |
38 | #endif | |
39 | ||
40 | #if !defined(_SWAP_4) && (WITH_HOST_BYTE_ORDER == LITTLE_ENDIAN) && defined(htonl) | |
41 | #define _SWAP_4(SET,RAW) SET htonl (RAW) | |
42 | #endif | |
43 | ||
44 | #ifndef _SWAP_4 | |
45 | #define _SWAP_4(SET,RAW) SET (((RAW) << 24) | (((RAW) & 0xff00) << 8) | (((RAW) & 0xff0000) >> 8) | ((RAW) >> 24)) | |
46 | #endif | |
47 | ||
48 | #ifndef _SWAP_8 | |
49 | #define _SWAP_8(SET,RAW) \ | |
50 | union { unsigned_8 dword; unsigned_4 words[2]; } in, out; \ | |
51 | in.dword = RAW; \ | |
52 | _SWAP_4 (out.words[0] =, in.words[1]); \ | |
53 | _SWAP_4 (out.words[1] =, in.words[0]); \ | |
54 | SET out.dword; | |
55 | #endif | |
56 | ||
57 | ||
58 | #define N 1 | |
59 | #include "sim-n-endian.h" | |
60 | #undef N | |
61 | ||
62 | #define N 2 | |
63 | #include "sim-n-endian.h" | |
64 | #undef N | |
65 | ||
66 | #define N 4 | |
67 | #include "sim-n-endian.h" | |
68 | #undef N | |
69 | ||
70 | #define N 8 | |
71 | #include "sim-n-endian.h" | |
72 | #undef N | |
73 | ||
74 | #endif /* _SIM_ENDIAN_C_ */ |