gcc/ada/i-cexten.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --              I N T E R F A C E S . C . E X T E N S I O N S               --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2010, Free Software Foundation, Inc.         --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
  17 --                                                                          --
  18 -- As a special exception under Section 7 of GPL version 3, you are granted --
  19 -- additional permissions described in the GCC Runtime Library Exception,   --
  20 -- version 3.1, as published by the Free Software Foundation.               --
  21 --                                                                          --
  22 -- You should have received a copy of the GNU General Public License and    --
  23 -- a copy of the GCC Runtime Library Exception along with this program;     --
  24 -- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
  25 -- <http://www.gnu.org/licenses/>.                                          --
  26 --                                                                          --
  27 -- GNAT was originally developed  by the GNAT team at  New York University. --
  28 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  29 --                                                                          --
  30 ------------------------------------------------------------------------------
  31
  32 --  This package contains additional C-related definitions, intended for use
  33 --  with either manually or automatically generated bindings to C libraries.
  34
  35 with System;
  36
  37 package Interfaces.C.Extensions is
  38    pragma Pure;
  39
  40    --  Definitions for C "void" and "void *" types
  41
  42    subtype void     is System.Address;
  43    subtype void_ptr is System.Address;
  44
  45    --  Definitions for C incomplete/unknown structs
  46
  47    subtype opaque_structure_def is System.Address;
  48    type opaque_structure_def_ptr is access opaque_structure_def;
  49    for opaque_structure_def_ptr'Storage_Size use 0;
  50
  51    --  Definitions for C++ incomplete/unknown classes
  52
  53    subtype incomplete_class_def is System.Address;
  54    type incomplete_class_def_ptr is access incomplete_class_def;
  55    for incomplete_class_def_ptr'Storage_Size use 0;
  56
  57    --  C bool
  58
  59    subtype bool is plain_char;
  60
  61    --  64-bit integer types
  62
  63    subtype long_long is Long_Long_Integer;
  64    type unsigned_long_long is mod 2 ** 64;
  65
  66    --  128-bit integer type available on 64-bit platforms:
  67    --  typedef int signed_128 __attribute__ ((mode (TI)));
  68
  69    type Signed_128 is record
  70       low, high : unsigned_long_long;
  71    end record;
  72    pragma Convention (C_Pass_By_Copy, Signed_128);
  73    for Signed_128'Alignment use unsigned_long_long'Alignment * 2;
  74
  75    --  Types for bitfields
  76
  77    type Unsigned_1 is mod 2 ** 1;
  78    for Unsigned_1'Size use 1;
  79
  80    type Unsigned_2 is mod 2 ** 2;
  81    for Unsigned_2'Size use 2;
  82
  83    type Unsigned_3 is mod 2 ** 3;
  84    for Unsigned_3'Size use 3;
  85
  86    type Unsigned_4 is mod 2 ** 4;
  87    for Unsigned_4'Size use 4;
  88
  89    type Unsigned_5 is mod 2 ** 5;
  90    for Unsigned_5'Size use 5;
  91
  92    type Unsigned_6 is mod 2 ** 6;
  93    for Unsigned_6'Size use 6;
  94
  95    type Unsigned_7 is mod 2 ** 7;
  96    for Unsigned_7'Size use 7;
  97
  98    type Unsigned_8 is mod 2 ** 8;
  99    for Unsigned_8'Size use 8;
 100
 101    type Unsigned_9 is mod 2 ** 9;
 102    for Unsigned_9'Size use 9;
 103
 104    type Unsigned_10 is mod 2 ** 10;
 105    for Unsigned_10'Size use 10;
 106
 107    type Unsigned_11 is mod 2 ** 11;
 108    for Unsigned_11'Size use 11;
 109
 110    type Unsigned_12 is mod 2 ** 12;
 111    for Unsigned_12'Size use 12;
 112
 113    type Unsigned_13 is mod 2 ** 13;
 114    for Unsigned_13'Size use 13;
 115
 116    type Unsigned_14 is mod 2 ** 14;
 117    for Unsigned_14'Size use 14;
 118
 119    type Unsigned_15 is mod 2 ** 15;
 120    for Unsigned_15'Size use 15;
 121
 122    type Unsigned_16 is mod 2 ** 16;
 123    for Unsigned_16'Size use 16;
 124
 125    type Unsigned_17 is mod 2 ** 17;
 126    for Unsigned_17'Size use 17;
 127
 128    type Unsigned_18 is mod 2 ** 18;
 129    for Unsigned_18'Size use 18;
 130
 131    type Unsigned_19 is mod 2 ** 19;
 132    for Unsigned_19'Size use 19;
 133
 134    type Unsigned_20 is mod 2 ** 20;
 135    for Unsigned_20'Size use 20;
 136
 137    type Unsigned_21 is mod 2 ** 21;
 138    for Unsigned_21'Size use 21;
 139
 140    type Unsigned_22 is mod 2 ** 22;
 141    for Unsigned_22'Size use 22;
 142
 143    type Unsigned_23 is mod 2 ** 23;
 144    for Unsigned_23'Size use 23;
 145
 146    type Unsigned_24 is mod 2 ** 24;
 147    for Unsigned_24'Size use 24;
 148
 149    type Unsigned_25 is mod 2 ** 25;
 150    for Unsigned_25'Size use 25;
 151
 152    type Unsigned_26 is mod 2 ** 26;
 153    for Unsigned_26'Size use 26;
 154
 155    type Unsigned_27 is mod 2 ** 27;
 156    for Unsigned_27'Size use 27;
 157
 158    type Unsigned_28 is mod 2 ** 28;
 159    for Unsigned_28'Size use 28;
 160
 161    type Unsigned_29 is mod 2 ** 29;
 162    for Unsigned_29'Size use 29;
 163
 164    type Unsigned_30 is mod 2 ** 30;
 165    for Unsigned_30'Size use 30;
 166
 167    type Unsigned_31 is mod 2 ** 31;
 168    for Unsigned_31'Size use 31;
 169
 170    type Unsigned_32 is mod 2 ** 32;
 171    for Unsigned_32'Size use 32;
 172
 173    type Signed_2 is range -2 ** 1 .. 2 ** 1 - 1;
 174    for Signed_2'Size use 2;
 175
 176    type Signed_3 is range -2 ** 2 .. 2 ** 2 - 1;
 177    for Signed_3'Size use 3;
 178
 179    type Signed_4 is range -2 ** 3 .. 2 ** 3 - 1;
 180    for Signed_4'Size use 4;
 181
 182    type Signed_5 is range -2 ** 4 .. 2 ** 4 - 1;
 183    for Signed_5'Size use 5;
 184
 185    type Signed_6 is range -2 ** 5 .. 2 ** 5 - 1;
 186    for Signed_6'Size use 6;
 187
 188    type Signed_7 is range -2 ** 6 .. 2 ** 6 - 1;
 189    for Signed_7'Size use 7;
 190
 191    type Signed_8 is range -2 ** 7 .. 2 ** 7 - 1;
 192    for Signed_8'Size use 8;
 193
 194    type Signed_9 is range -2 ** 8 .. 2 ** 8 - 1;
 195    for Signed_9'Size use 9;
 196
 197    type Signed_10 is range -2 ** 9 .. 2 ** 9 - 1;
 198    for Signed_10'Size use 10;
 199
 200    type Signed_11 is range -2 ** 10 .. 2 ** 10 - 1;
 201    for Signed_11'Size use 11;
 202
 203    type Signed_12 is range -2 ** 11 .. 2 ** 11 - 1;
 204    for Signed_12'Size use 12;
 205
 206    type Signed_13 is range -2 ** 12 .. 2 ** 12 - 1;
 207    for Signed_13'Size use 13;
 208
 209    type Signed_14 is range -2 ** 13 .. 2 ** 13 - 1;
 210    for Signed_14'Size use 14;
 211
 212    type Signed_15 is range -2 ** 14 .. 2 ** 14 - 1;
 213    for Signed_15'Size use 15;
 214
 215    type Signed_16 is range -2 ** 15 .. 2 ** 15 - 1;
 216    for Signed_16'Size use 16;
 217
 218    type Signed_17 is range -2 ** 16 .. 2 ** 16 - 1;
 219    for Signed_17'Size use 17;
 220
 221    type Signed_18 is range -2 ** 17 .. 2 ** 17 - 1;
 222    for Signed_18'Size use 18;
 223
 224    type Signed_19 is range -2 ** 18 .. 2 ** 18 - 1;
 225    for Signed_19'Size use 19;
 226
 227    type Signed_20 is range -2 ** 19 .. 2 ** 19 - 1;
 228    for Signed_20'Size use 20;
 229
 230    type Signed_21 is range -2 ** 20 .. 2 ** 20 - 1;
 231    for Signed_21'Size use 21;
 232
 233    type Signed_22 is range -2 ** 21 .. 2 ** 21 - 1;
 234    for Signed_22'Size use 22;
 235
 236    type Signed_23 is range -2 ** 22 .. 2 ** 22 - 1;
 237    for Signed_23'Size use 23;
 238
 239    type Signed_24 is range -2 ** 23 .. 2 ** 23 - 1;
 240    for Signed_24'Size use 24;
 241
 242    type Signed_25 is range -2 ** 24 .. 2 ** 24 - 1;
 243    for Signed_25'Size use 25;
 244
 245    type Signed_26 is range -2 ** 25 .. 2 ** 25 - 1;
 246    for Signed_26'Size use 26;
 247
 248    type Signed_27 is range -2 ** 26 .. 2 ** 26 - 1;
 249    for Signed_27'Size use 27;
 250
 251    type Signed_28 is range -2 ** 27 .. 2 ** 27 - 1;
 252    for Signed_28'Size use 28;
 253
 254    type Signed_29 is range -2 ** 28 .. 2 ** 28 - 1;
 255    for Signed_29'Size use 29;
 256
 257    type Signed_30 is range -2 ** 29 .. 2 ** 29 - 1;
 258    for Signed_30'Size use 30;
 259
 260    type Signed_31 is range -2 ** 30 .. 2 ** 30 - 1;
 261    for Signed_31'Size use 31;
 262
 263    type Signed_32 is range -2 ** 31 .. 2 ** 31 - 1;
 264    for Signed_32'Size use 32;
 265
 266 end Interfaces.C.Extensions;