sim/common/sim-types.h

   1 /* This file is part of psim (model of the PowerPC(tm) architecture)
   2
   3    Copyright (C) 1994-1997, 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 _SIM_TYPES_H_
  27 #define _SIM_TYPES_H_
  28
  29
  30
  31
  32 /* INTEGER QUANTITIES:
  33
  34    TYPES:
  35
  36      natural*   sign determined by host
  37      signed*    signed type of the given size
  38      unsigned*  The corresponding insigned type
  39
  40    SIZES
  41
  42      *NN        Size based on the number of bits
  43      *_NN       Size according to the number of bytes
  44      *_word     Size based on the target architecture's word
  45                 word size (32/64 bits)
  46      *_cell     Size based on the target architecture's
  47                 IEEE 1275 cell size (almost always 32 bits)
  48
  49 */
  50
  51
  52 /* bit based */
  53 typedef char natural8;
  54 typedef short natural16;
  55 typedef long natural32;
  56
  57 typedef signed char signed8;
  58 typedef signed short signed16;
  59 typedef signed long signed32;
  60
  61 typedef unsigned char unsigned8;
  62 typedef unsigned short unsigned16;
  63 typedef unsigned long unsigned32;
  64
  65 #if defined __GNUC__ || defined _MSC_VER
  66 #ifdef __GNUC__
  67
  68 /* GDB sometimes likes to make what appear to be signed `0x*L' values
  69    unsigned by default */
  70
  71 typedef long long natural64;
  72 typedef signed long long signed64;
  73 typedef unsigned long long unsigned64;
  74
  75 #define UNSIGNED64(X) (X##ULL)
  76 #define SIGNED64(X) ((signed64) X##LL)
  77
  78 #define UNSIGNED32(X) (X##UL)
  79 #define SIGNED32(X) ((signed32) X##L)
  80
  81 #else   /* _MSC_VER */
  82
  83 typedef __int64 natural64;
  84 typedef signed __int64 signed64;
  85 typedef unsigned __int64 unsigned64;
  86
  87 #define UNSIGNED64(X) (X##ui64)
  88 #define SIGNED64(X) (X##i64)
  89
  90 #define SIGNED32(X) (X##ui32)
  91 #define UNSIGNED32(X) (X##i32)
  92
  93 #endif /* _MSC_VER */
  94
  95 typedef struct { unsigned64 a[2]; } unsigned128;
  96 typedef struct { signed64 a[2]; } signed128;
  97
  98 #else /* Not GNUC or _MSC_VER */
  99 /* Not supported */
 100 #endif
 101
 102 /* byte based */
 103 typedef natural8 natural_1;
 104 typedef natural16 natural_2;
 105 typedef natural32 natural_4;
 106 typedef natural64 natural_8;
 107 /* typedef natural64 natural_8; */
 108
 109 typedef signed8 signed_1;
 110 typedef signed16 signed_2;
 111 typedef signed32 signed_4;
 112 typedef signed64 signed_8;
 113 typedef signed128 signed_16;
 114
 115 typedef unsigned8 unsigned_1;
 116 typedef unsigned16 unsigned_2;
 117 typedef unsigned32 unsigned_4;
 118 typedef unsigned64 unsigned_8;
 119 typedef unsigned128 unsigned_16;
 120
 121
 122 /* for general work, the following are defined */
 123 /* unsigned: >= 32 bits */
 124 /* signed:   >= 32 bits */
 125 /* long:     >= 32 bits, sign undefined */
 126 /* int:      small indicator */
 127
 128 /* target architecture based */
 129 #if (WITH_TARGET_WORD_BITSIZE == 64)
 130 typedef natural64 natural_word;
 131 typedef unsigned64 unsigned_word;
 132 typedef signed64 signed_word;
 133 #endif
 134 #if (WITH_TARGET_WORD_BITSIZE == 32)
 135 typedef natural32 natural_word;
 136 typedef unsigned32 unsigned_word;
 137 typedef signed32 signed_word;
 138 #endif
 139
 140
 141 /* Other instructions */
 142 #if (WITH_TARGET_ADDRESS_BITSIZE == 64)
 143 typedef unsigned64 unsigned_address;
 144 typedef signed64 signed_address;
 145 #endif
 146 #if (WITH_TARGET_ADDRESS_BITSIZE == 32)
 147 typedef unsigned32 unsigned_address;
 148 typedef signed32 signed_address;
 149 #endif
 150 typedef unsigned_address address_word;
 151
 152 /* IEEE 1275 cell size */
 153 #if (WITH_TARGET_CELL_BITSIZE == 64)
 154 typedef natural64 natural_cell;
 155 typedef unsigned64 unsigned_cell;
 156 typedef signed64 signed_cell;
 157 #endif
 158 #if (WITH_TARGET_CELL_BITSIZE == 32)
 159 typedef natural32 natural_cell;
 160 typedef unsigned32 unsigned_cell;
 161 typedef signed32 signed_cell;
 162 #endif
 163
 164 /* Floating point registers */
 165 #if (WITH_TARGET_FLOATING_POINT_BITSIZE == 64)
 166 typedef unsigned64 fp_word;
 167 #endif
 168 #if (WITH_TARGET_FLOATING_POINT_BITSIZE == 32)
 169 typedef unsigned32 fp_word;
 170 #endif
 171
 172
 173 #endif /* _SIM_TYPES_H_ */