sim/common/sim-types.h

   1 /* The common simulator framework for GDB, the GNU Debugger.
   2
   3    Copyright 2002-2015 Free Software Foundation, Inc.
   4
   5    Contributed by Andrew Cagney and Red Hat.
   6
   7    This file is part of GDB.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  21
  22
  23 #ifndef SIM_TYPES_H
  24 #define SIM_TYPES_H
  25
  26 #include <stdint.h>
  27
  28 /* INTEGER QUANTITIES:
  29
  30    TYPES:
  31
  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
  49 #ifdef _MSC_VER
  50 # define UNSIGNED32(X)  (X##ui32)
  51 # define UNSIGNED64(X)  (X##ui64)
  52 # define SIGNED32(X)    (X##i32)
  53 # define SIGNED64(X)    (X##i64)
  54 #else
  55 # define UNSIGNED32(X)  ((unsigned32) X##UL)
  56 # define UNSIGNED64(X)  ((unsigned64) X##ULL)
  57 # define SIGNED32(X)    ((signed32) X##L)
  58 # define SIGNED64(X)    ((signed64) X##LL)
  59 #endif
  60
  61 typedef int8_t signed8;
  62 typedef int16_t signed16;
  63 typedef int32_t signed32;
  64 typedef int64_t signed64;
  65
  66 typedef uint8_t unsigned8;
  67 typedef uint16_t unsigned16;
  68 typedef uint32_t unsigned32;
  69 typedef uint64_t unsigned64;
  70
  71 typedef struct { unsigned64 a[2]; } unsigned128;
  72 typedef struct { signed64 a[2]; } signed128;
  73
  74
  75 /* byte based */
  76
  77 typedef signed8 signed_1;
  78 typedef signed16 signed_2;
  79 typedef signed32 signed_4;
  80 typedef signed64 signed_8;
  81 typedef signed128 signed_16;
  82
  83 typedef unsigned8 unsigned_1;
  84 typedef unsigned16 unsigned_2;
  85 typedef unsigned32 unsigned_4;
  86 typedef unsigned64 unsigned_8;
  87 typedef unsigned128 unsigned_16;
  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 unsigned64 unsigned_word;
  99 typedef signed64 signed_word;
 100 #endif
 101 #if (WITH_TARGET_WORD_BITSIZE == 32)
 102 typedef unsigned32 unsigned_word;
 103 typedef signed32 signed_word;
 104 #endif
 105 #if (WITH_TARGET_WORD_BITSIZE == 16)
 106 typedef unsigned16 unsigned_word;
 107 typedef signed16 signed_word;
 108 #endif
 109
 110
 111 /* Other instructions */
 112 #if (WITH_TARGET_ADDRESS_BITSIZE == 64)
 113 typedef unsigned64 unsigned_address;
 114 typedef signed64 signed_address;
 115 #endif
 116 #if (WITH_TARGET_ADDRESS_BITSIZE == 32)
 117 typedef unsigned32 unsigned_address;
 118 typedef signed32 signed_address;
 119 #endif
 120 #if (WITH_TARGET_ADDRESS_BITSIZE == 16)
 121 typedef unsigned16 unsigned_address;
 122 typedef signed16 signed_address;
 123 #endif
 124 typedef unsigned_address address_word;
 125
 126
 127 /* IEEE 1275 cell size */
 128 #if (WITH_TARGET_CELL_BITSIZE == 64)
 129 typedef unsigned64 unsigned_cell;
 130 typedef signed64 signed_cell;
 131 #endif
 132 #if (WITH_TARGET_CELL_BITSIZE == 32)
 133 typedef unsigned32 unsigned_cell;
 134 typedef signed32 signed_cell;
 135 #endif
 136 typedef signed_cell cell_word; /* cells are normally signed */
 137
 138
 139 /* Floating point registers */
 140 #if (WITH_TARGET_FLOATING_POINT_BITSIZE == 64)
 141 typedef unsigned64 fp_word;
 142 #endif
 143 #if (WITH_TARGET_FLOATING_POINT_BITSIZE == 32)
 144 typedef unsigned32 fp_word;
 145 #endif
 146
 147 #endif