blob: 641f22514eccfe94e41386664bc86f2e992102f9 [file] [log] [blame]
/* This file is part of psim (model of the PowerPC(tm) architecture)
Copyright (C) 1994-1995, Andrew Cagney <>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License
as published by the Free Software Foundation; either version 3 of
the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, see <>.
PowerPC is a trademark of International Business Machines Corporation. */
/* Basic type sizes for the PowerPC */
#ifndef _WORDS_H_
#define _WORDS_H_
natural* sign determined by host
signed* signed type of the given size
unsigned* The corresponding insigned type
*NN Size based on the number of bits
*_NN Size according to the number of bytes
*_word Size based on the target architecture's word
word size (32/64 bits)
*_cell Size based on the target architecture's
IEEE 1275 cell size (almost always 32 bits)
/* This must come before any other includes. */
#include "defs.h"
/* bit based */
typedef char natural8;
typedef short natural16;
typedef int natural32;
typedef signed char signed8;
typedef signed short signed16;
typedef signed int signed32;
typedef unsigned char unsigned8;
typedef unsigned short unsigned16;
typedef unsigned int unsigned32;
#ifdef __GNUC__
typedef long long natural64;
typedef signed long long signed64;
typedef unsigned long long unsigned64;
#ifdef _MSC_VER
typedef __int64 natural64;
typedef signed __int64 signed64;
typedef unsigned __int64 unsigned64;
/* byte based */
typedef natural8 natural_1;
typedef natural16 natural_2;
typedef natural32 natural_4;
typedef natural64 natural_8;
typedef signed8 signed_1;
typedef signed16 signed_2;
typedef signed32 signed_4;
typedef signed64 signed_8;
typedef unsigned8 unsigned_1;
typedef unsigned16 unsigned_2;
typedef unsigned32 unsigned_4;
typedef unsigned64 unsigned_8;
/* for general work, the following are defined */
/* unsigned: >= 32 bits */
/* signed: >= 32 bits */
/* long: >= 32 bits, sign undefined */
/* int: small indicator */
/* target architecture based */
typedef natural64 natural_word;
typedef unsigned64 unsigned_word;
typedef signed64 signed_word;
typedef natural32 natural_word;
typedef unsigned32 unsigned_word;
typedef signed32 signed_word;
/* Other instructions */
typedef unsigned32 instruction_word;
/* IEEE 1275 cell size - only support 32bit mode at present */
typedef natural32 natural_cell;
typedef unsigned32 unsigned_cell;
typedef signed32 signed_cell;
#endif /* _WORDS_H_ */