| 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_ */ |