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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [sim/] [ppc/] [words.h] - Blame information for rev 840

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1 24 jeremybenn
/* This file is part of psim (model of the PowerPC(tm) architecture)
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   Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
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   This library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Library General Public License
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   as published by the Free Software Foundation; either version 2 of
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   the License, or (at your option) any later version.
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   This library is distributed in the hope that it will be useful, but
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   WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Library General Public License for more details.
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   You should have received a copy of the GNU Library General Public
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   License along with this library; 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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   PowerPC is a trademark of International Business Machines Corporation. */
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/* Basic type sizes for the PowerPC */
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#ifndef _WORDS_H_
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#define _WORDS_H_
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/* TYPES:
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     natural*   sign determined by host
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     signed*    signed type of the given size
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     unsigned*  The corresponding insigned type
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   SIZES
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     *NN        Size based on the number of bits
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     *_NN       Size according to the number of bytes
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     *_word     Size based on the target architecture's word
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                word size (32/64 bits)
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     *_cell     Size based on the target architecture's
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                IEEE 1275 cell size (almost always 32 bits)
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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/* bit based */
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typedef char natural8;
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typedef short natural16;
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typedef int natural32;
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typedef signed char signed8;
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typedef signed short signed16;
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typedef signed int signed32;
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typedef unsigned char unsigned8;
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typedef unsigned short unsigned16;
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typedef unsigned int unsigned32;
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#ifdef __GNUC__
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typedef long long natural64;
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typedef signed long long signed64;
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typedef unsigned long long unsigned64;
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#endif
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#ifdef _MSC_VER
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typedef __int64 natural64;
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typedef signed __int64 signed64;
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typedef unsigned __int64 unsigned64;
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#endif 
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/* byte based */
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typedef natural8 natural_1;
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typedef natural16 natural_2;
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typedef natural32 natural_4;
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typedef natural64 natural_8;
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typedef signed8 signed_1;
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typedef signed16 signed_2;
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typedef signed32 signed_4;
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typedef signed64 signed_8;
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typedef unsigned8 unsigned_1;
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typedef unsigned16 unsigned_2;
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typedef unsigned32 unsigned_4;
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typedef unsigned64 unsigned_8;
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/* for general work, the following are defined */
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/* unsigned: >= 32 bits */
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/* signed:   >= 32 bits */
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/* long:     >= 32 bits, sign undefined */
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/* int:      small indicator */
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/* target architecture based */
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#if (WITH_TARGET_WORD_BITSIZE == 64)
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typedef natural64 natural_word;
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typedef unsigned64 unsigned_word;
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typedef signed64 signed_word;
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#else
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typedef natural32 natural_word;
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typedef unsigned32 unsigned_word;
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typedef signed32 signed_word;
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#endif
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/* Other instructions */
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typedef unsigned32 instruction_word;
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/* IEEE 1275 cell size - only support 32bit mode at present */
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typedef natural32 natural_cell;
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typedef unsigned32 unsigned_cell;
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typedef signed32 signed_cell;
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#endif /* _WORDS_H_ */

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