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[/] [openrisc/] [trunk/] [gnu-stable/] [gdb-7.2/] [sim/] [ppc/] [sim-endian.c] - Blame information for rev 841

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Line No. Rev Author Line
1 330 jeremybenn
/*  This file is part of the program psim.
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    Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
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    This program is free software; you can redistribute it and/or modify
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    it under the terms of the GNU General Public License as published by
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    the Free Software Foundation; either version 2 of the License, or
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    (at your option) any later version.
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    This program is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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    GNU General Public License for more details.
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    You should have received a copy of the GNU General Public License
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    along with this program; if not, write to the Free Software
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    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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    */
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#ifndef _SIM_ENDIAN_C_
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#define _SIM_ENDIAN_C_
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#include "config.h"
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#include "basics.h"
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#if !defined(_SWAP_1)
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#define _SWAP_1(SET,RAW) SET (RAW)
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#endif
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#if !defined(_SWAP_2) && (WITH_HOST_BYTE_ORDER == LITTLE_ENDIAN) && defined(htons)
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#define _SWAP_2(SET,RAW) SET htons (RAW)
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#endif
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#ifndef _SWAP_2
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#define _SWAP_2(SET,RAW) SET (((RAW) >> 8) | ((RAW) << 8))
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#endif
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#if !defined(_SWAP_4) && (WITH_HOST_BYTE_ORDER == LITTLE_ENDIAN) && defined(htonl)
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#define _SWAP_4(SET,RAW) SET htonl (RAW)
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#endif
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#ifndef _SWAP_4
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#define _SWAP_4(SET,RAW) SET (((RAW) << 24) | (((RAW) & 0xff00) << 8) | (((RAW) & 0xff0000) >> 8) | ((RAW) >> 24))
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#endif
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#ifndef _SWAP_8
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#define _SWAP_8(SET,RAW) \
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  union { unsigned_8 dword; unsigned_4 words[2]; } in, out; \
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  in.dword = RAW; \
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  _SWAP_4 (out.words[0] =, in.words[1]); \
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  _SWAP_4 (out.words[1] =, in.words[0]); \
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  SET out.dword;
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#endif
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#define N 1
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#include "sim-endian-n.h"
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#undef N
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#define N 2
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#include "sim-endian-n.h"
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#undef N
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#define N 4
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#include "sim-endian-n.h"
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#undef N
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#define N 8
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#include "sim-endian-n.h"
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#undef N
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#endif /* _SIM_ENDIAN_C_ */

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