74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
/* This file is part of the program psim.
|
|
|
|
Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, see <http://www.gnu.org/licenses/>.
|
|
|
|
*/
|
|
|
|
|
|
#ifndef _SIM_ENDIAN_C_
|
|
#define _SIM_ENDIAN_C_
|
|
|
|
#include "config.h"
|
|
#include "basics.h"
|
|
|
|
|
|
#if !defined(_SWAP_1)
|
|
#define _SWAP_1(SET,RAW) SET (RAW)
|
|
#endif
|
|
|
|
#if !defined(_SWAP_2) && (WITH_HOST_BYTE_ORDER == LITTLE_ENDIAN) && defined(htons)
|
|
#define _SWAP_2(SET,RAW) SET htons (RAW)
|
|
#endif
|
|
|
|
#ifndef _SWAP_2
|
|
#define _SWAP_2(SET,RAW) SET (((RAW) >> 8) | ((RAW) << 8))
|
|
#endif
|
|
|
|
#if !defined(_SWAP_4) && (WITH_HOST_BYTE_ORDER == LITTLE_ENDIAN) && defined(htonl)
|
|
#define _SWAP_4(SET,RAW) SET htonl (RAW)
|
|
#endif
|
|
|
|
#ifndef _SWAP_4
|
|
#define _SWAP_4(SET,RAW) SET (((RAW) << 24) | (((RAW) & 0xff00) << 8) | (((RAW) & 0xff0000) >> 8) | ((RAW) >> 24))
|
|
#endif
|
|
|
|
#ifndef _SWAP_8
|
|
#define _SWAP_8(SET,RAW) \
|
|
union { unsigned_8 dword; unsigned_4 words[2]; } in, out; \
|
|
in.dword = RAW; \
|
|
_SWAP_4 (out.words[0] =, in.words[1]); \
|
|
_SWAP_4 (out.words[1] =, in.words[0]); \
|
|
SET out.dword;
|
|
#endif
|
|
|
|
#define N 1
|
|
#include "sim-endian-n.h"
|
|
#undef N
|
|
|
|
#define N 2
|
|
#include "sim-endian-n.h"
|
|
#undef N
|
|
|
|
#define N 4
|
|
#include "sim-endian-n.h"
|
|
#undef N
|
|
|
|
#define N 8
|
|
#include "sim-endian-n.h"
|
|
#undef N
|
|
|
|
#endif /* _SIM_ENDIAN_C_ */
|