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 */ 52 typedef char natural8; 53 typedef short natural16; 54 typedef int natural32; 55 56 typedef signed char signed8; 57 typedef signed short signed16; 58 typedef signed int signed32; 59 60 typedef unsigned char unsigned8; 61 typedef unsigned short unsigned16; 62 typedef unsigned int unsigned32; 63 64 #ifdef __GNUC__ 65 typedef long long natural64; 66 typedef signed long long signed64; 67 typedef unsigned long long unsigned64; 68 #endif 69 70 #ifdef _MSC_VER 71 typedef __int64 natural64; 72 typedef signed __int64 signed64; 73 typedef unsigned __int64 unsigned64; 74 #endif 75 76 77 /* byte based */ 78 typedef natural8 natural_1; 79 typedef natural16 natural_2; 80 typedef natural32 natural_4; 81 typedef natural64 natural_8; 82 83 typedef signed8 signed_1; 84 typedef signed16 signed_2; 85 typedef signed32 signed_4; 86 typedef signed64 signed_8; 87 88 typedef unsigned8 unsigned_1; 89 typedef unsigned16 unsigned_2; 90 typedef unsigned32 unsigned_4; 91 typedef 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) 102 typedef natural64 natural_word; 103 typedef unsigned64 unsigned_word; 104 typedef signed64 signed_word; 105 #else 106 typedef natural32 natural_word; 107 typedef unsigned32 unsigned_word; 108 typedef signed32 signed_word; 109 #endif 110 111 112 /* Other instructions */ 113 typedef unsigned32 instruction_word; 114 115 /* IEEE 1275 cell size - only support 32bit mode at present */ 116 typedef natural32 natural_cell; 117 typedef unsigned32 unsigned_cell; 118 typedef signed32 signed_cell; 119 120 #endif /* _WORDS_H_ */ 121