1/* This file is part of psim (model of the PowerPC(tm) architecture) 2 3 Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> 4 5 This library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Library General Public License 7 as published by the Free Software Foundation; either version 2 of 8 the License, or (at your option) any later version. 9 10 This library is distributed in the hope that it will be useful, but 11 WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Library General Public License for more details. 14 15 You should have received a copy of the GNU Library General Public 16 License along with this library; if not, write to the Free Software 17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 18 19 -- 20 21 PowerPC is a trademark of International Business Machines Corporation. */ 22 23 24/* Basic type sizes for the PowerPC */ 25 26#ifndef _WORDS_H_ 27#define _WORDS_H_ 28 29/* TYPES: 30 31 natural* sign determined by host 32 signed* signed type of the given size 33 unsigned* The corresponding insigned type 34 35 SIZES 36 37 *NN Size based on the number of bits 38 *_NN Size according to the number of bytes 39 *_word Size based on the target architecture's word 40 word size (32/64 bits) 41 *_cell Size based on the target architecture's 42 IEEE 1275 cell size (almost always 32 bits) 43 44*/ 45 46 47#ifdef HAVE_CONFIG_H 48#include "config.h" 49#endif 50 51/* bit based */ 52typedef char natural8; 53typedef short natural16; 54typedef int natural32; 55 56typedef signed char signed8; 57typedef signed short signed16; 58typedef signed int signed32; 59 60typedef unsigned char unsigned8; 61typedef unsigned short unsigned16; 62typedef unsigned int unsigned32; 63 64#ifdef __GNUC__ 65typedef long long natural64; 66typedef signed long long signed64; 67typedef unsigned long long unsigned64; 68#endif 69 70#ifdef _MSC_VER 71typedef __int64 natural64; 72typedef signed __int64 signed64; 73typedef unsigned __int64 unsigned64; 74#endif 75 76 77/* byte based */ 78typedef natural8 natural_1; 79typedef natural16 natural_2; 80typedef natural32 natural_4; 81typedef natural64 natural_8; 82 83typedef signed8 signed_1; 84typedef signed16 signed_2; 85typedef signed32 signed_4; 86typedef signed64 signed_8; 87 88typedef unsigned8 unsigned_1; 89typedef unsigned16 unsigned_2; 90typedef unsigned32 unsigned_4; 91typedef unsigned64 unsigned_8; 92 93 94/* for general work, the following are defined */ 95/* unsigned: >= 32 bits */ 96/* signed: >= 32 bits */ 97/* long: >= 32 bits, sign undefined */ 98/* int: small indicator */ 99 100/* target architecture based */ 101#if (WITH_TARGET_WORD_BITSIZE == 64) 102typedef natural64 natural_word; 103typedef unsigned64 unsigned_word; 104typedef signed64 signed_word; 105#else 106typedef natural32 natural_word; 107typedef unsigned32 unsigned_word; 108typedef signed32 signed_word; 109#endif 110 111 112/* Other instructions */ 113typedef unsigned32 instruction_word; 114 115/* IEEE 1275 cell size - only support 32bit mode at present */ 116typedef natural32 natural_cell; 117typedef unsigned32 unsigned_cell; 118typedef signed32 signed_cell; 119 120#endif /* _WORDS_H_ */ 121