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 3 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, see <http://www.gnu.org/licenses/>. 17 18 -- 19 20 PowerPC is a trademark of International Business Machines Corporation. */ 21 22 23 /* Basic type sizes for the PowerPC */ 24 25 #ifndef _WORDS_H_ 26 #define _WORDS_H_ 27 28 /* TYPES: 29 30 natural* sign determined by host 31 signed* signed type of the given size 32 unsigned* The corresponding insigned type 33 34 SIZES 35 36 *NN Size based on the number of bits 37 *_NN Size according to the number of bytes 38 *_word Size based on the target architecture's word 39 word size (32/64 bits) 40 *_cell Size based on the target architecture's 41 IEEE 1275 cell size (almost always 32 bits) 42 43 */ 44 45 46 #ifdef HAVE_CONFIG_H 47 #include "config.h" 48 #endif 49 50 /* bit based */ 51 typedef char natural8; 52 typedef short natural16; 53 typedef int natural32; 54 55 typedef signed char signed8; 56 typedef signed short signed16; 57 typedef signed int signed32; 58 59 typedef unsigned char unsigned8; 60 typedef unsigned short unsigned16; 61 typedef unsigned int unsigned32; 62 63 #ifdef __GNUC__ 64 typedef long long natural64; 65 typedef signed long long signed64; 66 typedef unsigned long long unsigned64; 67 #endif 68 69 #ifdef _MSC_VER 70 typedef __int64 natural64; 71 typedef signed __int64 signed64; 72 typedef unsigned __int64 unsigned64; 73 #endif 74 75 76 /* byte based */ 77 typedef natural8 natural_1; 78 typedef natural16 natural_2; 79 typedef natural32 natural_4; 80 typedef natural64 natural_8; 81 82 typedef signed8 signed_1; 83 typedef signed16 signed_2; 84 typedef signed32 signed_4; 85 typedef signed64 signed_8; 86 87 typedef unsigned8 unsigned_1; 88 typedef unsigned16 unsigned_2; 89 typedef unsigned32 unsigned_4; 90 typedef unsigned64 unsigned_8; 91 92 93 /* for general work, the following are defined */ 94 /* unsigned: >= 32 bits */ 95 /* signed: >= 32 bits */ 96 /* long: >= 32 bits, sign undefined */ 97 /* int: small indicator */ 98 99 /* target architecture based */ 100 #if (WITH_TARGET_WORD_BITSIZE == 64) 101 typedef natural64 natural_word; 102 typedef unsigned64 unsigned_word; 103 typedef signed64 signed_word; 104 #else 105 typedef natural32 natural_word; 106 typedef unsigned32 unsigned_word; 107 typedef signed32 signed_word; 108 #endif 109 110 111 /* Other instructions */ 112 typedef unsigned32 instruction_word; 113 114 /* IEEE 1275 cell size - only support 32bit mode at present */ 115 typedef natural32 natural_cell; 116 typedef unsigned32 unsigned_cell; 117 typedef signed32 signed_cell; 118 119 #endif /* _WORDS_H_ */ 120