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