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 /* bit based */ 48 typedef char natural8; 49 typedef short natural16; 50 typedef long natural32; 51 52 typedef signed char signed8; 53 typedef signed short signed16; 54 typedef signed long signed32; 55 56 typedef unsigned char unsigned8; 57 typedef unsigned short unsigned16; 58 typedef unsigned long unsigned32; 59 60 #ifdef __GNUC__ 61 typedef long long natural64; 62 typedef signed long long signed64; 63 typedef unsigned long long unsigned64; 64 #endif 65 66 #ifdef _MSC_VER 67 typedef __int64 natural64; 68 typedef signed __int64 signed64; 69 typedef unsigned __int64 unsigned64; 70 #endif 71 72 73 /* byte based */ 74 typedef natural8 natural_1; 75 typedef natural16 natural_2; 76 typedef natural32 natural_4; 77 typedef natural64 natural_8; 78 79 typedef signed8 signed_1; 80 typedef signed16 signed_2; 81 typedef signed32 signed_4; 82 typedef signed64 signed_8; 83 84 typedef unsigned8 unsigned_1; 85 typedef unsigned16 unsigned_2; 86 typedef unsigned32 unsigned_4; 87 typedef unsigned64 unsigned_8; 88 89 90 /* for general work, the following are defined */ 91 /* unsigned: >= 32 bits */ 92 /* signed: >= 32 bits */ 93 /* long: >= 32 bits, sign undefined */ 94 /* int: small indicator */ 95 96 /* target architecture based */ 97 #if (WITH_TARGET_WORD_BITSIZE == 64) 98 typedef natural64 natural_word; 99 typedef unsigned64 unsigned_word; 100 typedef signed64 signed_word; 101 #else 102 typedef natural32 natural_word; 103 typedef unsigned32 unsigned_word; 104 typedef signed32 signed_word; 105 #endif 106 107 108 /* Other instructions */ 109 typedef unsigned32 instruction_word; 110 111 /* IEEE 1275 cell size - only support 32bit mode at present */ 112 typedef natural32 natural_cell; 113 typedef unsigned32 unsigned_cell; 114 typedef signed32 signed_cell; 115 116 #endif /* _WORDS_H_ */ 117