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c906108c SS |
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_ */ |