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 3 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, see <http://www.gnu.org/licenses/>. 17 18 */ 19 20 21 #ifndef _SIM_ENDIAN_C_ 22 #define _SIM_ENDIAN_C_ 23 24 #include "config.h" 25 #include "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 #define N 1 58 #include "sim-endian-n.h" 59 #undef N 60 61 #define N 2 62 #include "sim-endian-n.h" 63 #undef N 64 65 #define N 4 66 #include "sim-endian-n.h" 67 #undef N 68 69 #define N 8 70 #include "sim-endian-n.h" 71 #undef N 72 73 #endif /* _SIM_ENDIAN_C_ */ 74