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 /* INTEGER QUANTITIES:
  31
  32    TYPES:
  33
  34      natural*   sign determined by host
  35      signed*    signed type of the given size
  36      unsigned*  The corresponding insigned type
  37
  38    SIZES
  39
  40      *NN        Size based on the number of bits
  41      *_NN       Size according to the number of bytes
  42      *_word     Size based on the target architecture's word
  43                 word size (32/64 bits)
  44      *_cell     Size based on the target architecture's
  45                 IEEE 1275 cell size (almost always 32 bits)
  46      *_address  Fits target address
  47
  48    NONSPECIFIC
  49
  50      address_word
  51                 Alias for unsigned_address
  52
  53      cell_word  Alias for signed_cell
  54
  55      fp_word    Holds a floating point word.
  56
  57 */
  58
  59
  60 /* bit based */
  61 typedef char natural8;
  62 typedef short natural16;
  63 typedef long natural32;
  64
  65 typedef signed char signed8;
  66 typedef signed short signed16;
  67 typedef signed long signed32;
  68
  69 typedef unsigned char unsigned8;
  70 typedef unsigned short unsigned16;
  71 typedef unsigned long unsigned32;
  72
  73 #if defined __GNUC__ || defined _MSC_VER
  74 #ifdef __GNUC__
  75
  76 /* GDB sometimes likes to make what appear to be signed `0x*L' values
  77    unsigned by default */
  78
  79 typedef long long natural64;
  80 typedef signed long long signed64;
  81 typedef unsigned long long unsigned64;
  82
  83 #define UNSIGNED64(X) (X##ULL)
  84 #define SIGNED64(X) ((signed64) X##LL)
  85
  86 #define UNSIGNED32(X) (X##UL)
  87 #define SIGNED32(X) ((signed32) X##L)
  88
  89 #else   /* _MSC_VER */
  90
  91 typedef __int64 natural64;
  92 typedef signed __int64 signed64;
  93 typedef unsigned __int64 unsigned64;
  94
  95 #define UNSIGNED64(X) (X##ui64)
  96 #define SIGNED64(X) (X##i64)
  97
  98 #define SIGNED32(X) (X##ui32)
  99 #define UNSIGNED32(X) (X##i32)
 100
 101 #endif /* _MSC_VER */
 102
 103 typedef struct { unsigned64 a[2]; } unsigned128;
 104 typedef struct { signed64 a[2]; } signed128;
 105
 106 #else /* Not GNUC or _MSC_VER */
 107 /* Not supported */
 108 #endif
 109
 110 /* byte based */
 111 typedef natural8 natural_1;
 112 typedef natural16 natural_2;
 113 typedef natural32 natural_4;
 114 typedef natural64 natural_8;
 115 /* typedef natural64 natural_8; */
 116
 117 typedef signed8 signed_1;
 118 typedef signed16 signed_2;
 119 typedef signed32 signed_4;
 120 typedef signed64 signed_8;
 121 typedef signed128 signed_16;
 122
 123 typedef unsigned8 unsigned_1;
 124 typedef unsigned16 unsigned_2;
 125 typedef unsigned32 unsigned_4;
 126 typedef unsigned64 unsigned_8;
 127 typedef unsigned128 unsigned_16;
 128
 129
 130 /* for general work, the following are defined */
 131 /* unsigned: >= 32 bits */
 132 /* signed:   >= 32 bits */
 133 /* long:     >= 32 bits, sign undefined */
 134 /* int:      small indicator */
 135
 136 /* target architecture based */
 137 #if (WITH_TARGET_WORD_BITSIZE == 64)
 138 typedef natural64 natural_word;
 139 typedef unsigned64 unsigned_word;
 140 typedef signed64 signed_word;
 141 #endif
 142 #if (WITH_TARGET_WORD_BITSIZE == 32)
 143 typedef natural32 natural_word;
 144 typedef unsigned32 unsigned_word;
 145 typedef signed32 signed_word;
 146 #endif
 147
 148
 149 /* Other instructions */
 150 #if (WITH_TARGET_ADDRESS_BITSIZE == 64)
 151 typedef unsigned64 unsigned_address;
 152 typedef signed64 signed_address;
 153 #endif
 154 #if (WITH_TARGET_ADDRESS_BITSIZE == 32)
 155 typedef unsigned32 unsigned_address;
 156 typedef signed32 signed_address;
 157 #endif
 158 typedef unsigned_address address_word;
 159
 160 /* IEEE 1275 cell size */
 161 #if (WITH_TARGET_CELL_BITSIZE == 64)
 162 typedef natural64 natural_cell;
 163 typedef unsigned64 unsigned_cell;
 164 typedef signed64 signed_cell;
 165 #endif
 166 #if (WITH_TARGET_CELL_BITSIZE == 32)
 167 typedef natural32 natural_cell;
 168 typedef unsigned32 unsigned_cell;
 169 typedef signed32 signed_cell;
 170 #endif
 171
 172 /* Floating point registers */
 173 #if (WITH_TARGET_FLOATING_POINT_BITSIZE == 64)
 174 typedef unsigned64 fp_word;
 175 #endif
 176 #if (WITH_TARGET_FLOATING_POINT_BITSIZE == 32)
 177 typedef unsigned32 fp_word;
 178 #endif
 179
 180
 181 #endif