sim/common/sim-types.h

   1 /* The common simulator framework for GDB, the GNU Debugger.
   2
   3    Copyright 2002-2024 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 #ifdef SIM_COMMON_BUILD
  27 #error "This header is unusable in common builds due to reliance on SIM_AC_OPTION_BITSIZE"
  28 #endif
  29
  30 #include <stdint.h>
  31
  32 #include "symcat.h"
  33
  34 /* INTEGER QUANTITIES:
  35
  36    TYPES:
  37
  38      intNN_t    Signed type of the given bit size
  39      uintNN_t   The corresponding unsigned type
  40
  41      signed128     Non-standard type for 128-bit integers.
  42      unsigned128   Likewise, but unsigned.
  43
  44    SIZES
  45
  46      *NN        Size based on the number of bits
  47      *_NN       Size according to the number of bytes
  48      *_word     Size based on the target architecture's word
  49                 word size (32/64 bits)
  50      *_cell     Size based on the target architecture's
  51                 IEEE 1275 cell size (almost always 32 bits)
  52
  53 */
  54
  55
  56 /* bit based */
  57
  58 #ifdef _MSC_VER
  59 # define UNSIGNED32(X)  (X##ui32)
  60 # define UNSIGNED64(X)  (X##ui64)
  61 # define SIGNED32(X)    (X##i32)
  62 # define SIGNED64(X)    (X##i64)
  63 #else
  64 # define UNSIGNED32(X)  ((uint32_t) X##UL)
  65 # define UNSIGNED64(X)  ((uint64_t) X##ULL)
  66 # define SIGNED32(X)    ((int32_t) X##L)
  67 # define SIGNED64(X)    ((int64_t) X##LL)
  68 #endif
  69
  70 typedef struct { uint64_t a[2]; } unsigned128;
  71 typedef struct { int64_t a[2]; } signed128;
  72
  73
  74 /* byte based */
  75
  76 typedef int8_t signed_1;
  77 typedef int16_t signed_2;
  78 typedef int32_t signed_4;
  79 typedef int64_t signed_8;
  80 typedef signed128 signed_16;
  81
  82 typedef uint8_t unsigned_1;
  83 typedef uint16_t unsigned_2;
  84 typedef uint32_t unsigned_4;
  85 typedef uint64_t unsigned_8;
  86 typedef unsigned128 unsigned_16;
  87
  88
  89 /* Macros for printf.  Usage is restricted to this header.  */
  90 #define SIM_PRI_TB(t, b)        XCONCAT3 (PRI,t,b)
  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 uint64_t unsigned_word;
 102 typedef int64_t signed_word;
 103 #endif
 104 #if (WITH_TARGET_WORD_BITSIZE == 32)
 105 typedef uint32_t unsigned_word;
 106 typedef int32_t signed_word;
 107 #endif
 108 #if (WITH_TARGET_WORD_BITSIZE == 16)
 109 typedef uint16_t unsigned_word;
 110 typedef int16_t signed_word;
 111 #endif
 112
 113 #define PRI_TW(t)       SIM_PRI_TB (t, WITH_TARGET_WORD_BITSIZE)
 114 #define PRIiTW  PRI_TW (i)
 115 #define PRIxTW  PRI_TW (x)
 116
 117
 118 /* Other instructions */
 119 #if (WITH_TARGET_ADDRESS_BITSIZE == 64)
 120 typedef uint64_t unsigned_address;
 121 typedef int64_t signed_address;
 122 #endif
 123 #if (WITH_TARGET_ADDRESS_BITSIZE == 32)
 124 typedef uint32_t unsigned_address;
 125 typedef int32_t signed_address;
 126 #endif
 127 #if (WITH_TARGET_ADDRESS_BITSIZE == 16)
 128 typedef uint16_t unsigned_address;
 129 typedef int16_t signed_address;
 130 #endif
 131 typedef unsigned_address address_word;
 132
 133 #define PRI_TA(t)       SIM_PRI_TB (t, WITH_TARGET_ADDRESS_BITSIZE)
 134 #define PRIiTA  PRI_TA (i)
 135 #define PRIxTA  PRI_TA (x)
 136
 137
 138 /* IEEE 1275 cell size */
 139 #if (WITH_TARGET_CELL_BITSIZE == 64)
 140 typedef uint64_t unsigned_cell;
 141 typedef int64_t signed_cell;
 142 #endif
 143 #if (WITH_TARGET_CELL_BITSIZE == 32)
 144 typedef uint32_t unsigned_cell;
 145 typedef int32_t signed_cell;
 146 #endif
 147 typedef signed_cell cell_word; /* cells are normally signed */
 148
 149 #define PRI_TC(t)       SIM_PRI_TB (t, WITH_TARGET_CELL_BITSIZE)
 150 #define PRIiTC  PRI_TC (i)
 151 #define PRIxTC  PRI_TC (x)
 152
 153
 154 /* Floating point registers */
 155 #if (WITH_TARGET_FLOATING_POINT_BITSIZE == 64)
 156 typedef uint64_t fp_word;
 157 #endif
 158 #if (WITH_TARGET_FLOATING_POINT_BITSIZE == 32)
 159 typedef uint32_t fp_word;
 160 #endif
 161
 162 #define PRI_TF(t)       SIM_PRI_TB (t, WITH_TARGET_FLOATING_POINT_BITSIZE)
 163 #define PRIiTF  PRI_TF (i)
 164 #define PRIxTF  PRI_TF (x)
 165
 166 #endif