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) 1992-2013, 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
35with System;
36
37package 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 Unsigned_33 is mod 2 ** 33;
174   for Unsigned_33'Size use 33;
175
176   type Unsigned_34 is mod 2 ** 34;
177   for Unsigned_34'Size use 34;
178
179   type Unsigned_35 is mod 2 ** 35;
180   for Unsigned_35'Size use 35;
181
182   type Unsigned_36 is mod 2 ** 36;
183   for Unsigned_36'Size use 36;
184
185   type Unsigned_37 is mod 2 ** 37;
186   for Unsigned_37'Size use 37;
187
188   type Unsigned_38 is mod 2 ** 38;
189   for Unsigned_38'Size use 38;
190
191   type Unsigned_39 is mod 2 ** 39;
192   for Unsigned_39'Size use 39;
193
194   type Unsigned_40 is mod 2 ** 40;
195   for Unsigned_40'Size use 40;
196
197   type Unsigned_41 is mod 2 ** 41;
198   for Unsigned_41'Size use 41;
199
200   type Unsigned_42 is mod 2 ** 42;
201   for Unsigned_42'Size use 42;
202
203   type Unsigned_43 is mod 2 ** 43;
204   for Unsigned_43'Size use 43;
205
206   type Unsigned_44 is mod 2 ** 44;
207   for Unsigned_44'Size use 44;
208
209   type Unsigned_45 is mod 2 ** 45;
210   for Unsigned_45'Size use 45;
211
212   type Unsigned_46 is mod 2 ** 46;
213   for Unsigned_46'Size use 46;
214
215   type Unsigned_47 is mod 2 ** 47;
216   for Unsigned_47'Size use 47;
217
218   type Unsigned_48 is mod 2 ** 48;
219   for Unsigned_48'Size use 48;
220
221   type Unsigned_49 is mod 2 ** 49;
222   for Unsigned_49'Size use 49;
223
224   type Unsigned_50 is mod 2 ** 50;
225   for Unsigned_50'Size use 50;
226
227   type Unsigned_51 is mod 2 ** 51;
228   for Unsigned_51'Size use 51;
229
230   type Unsigned_52 is mod 2 ** 52;
231   for Unsigned_52'Size use 52;
232
233   type Unsigned_53 is mod 2 ** 53;
234   for Unsigned_53'Size use 53;
235
236   type Unsigned_54 is mod 2 ** 54;
237   for Unsigned_54'Size use 54;
238
239   type Unsigned_55 is mod 2 ** 55;
240   for Unsigned_55'Size use 55;
241
242   type Unsigned_56 is mod 2 ** 56;
243   for Unsigned_56'Size use 56;
244
245   type Unsigned_57 is mod 2 ** 57;
246   for Unsigned_57'Size use 57;
247
248   type Unsigned_58 is mod 2 ** 58;
249   for Unsigned_58'Size use 58;
250
251   type Unsigned_59 is mod 2 ** 59;
252   for Unsigned_59'Size use 59;
253
254   type Unsigned_60 is mod 2 ** 60;
255   for Unsigned_60'Size use 60;
256
257   type Unsigned_61 is mod 2 ** 61;
258   for Unsigned_61'Size use 61;
259
260   type Unsigned_62 is mod 2 ** 62;
261   for Unsigned_62'Size use 62;
262
263   type Unsigned_63 is mod 2 ** 63;
264   for Unsigned_63'Size use 63;
265
266   type Unsigned_64 is mod 2 ** 64;
267   for Unsigned_64'Size use 64;
268
269   type Signed_2 is range -2 ** 1 .. 2 ** 1 - 1;
270   for Signed_2'Size use 2;
271
272   type Signed_3 is range -2 ** 2 .. 2 ** 2 - 1;
273   for Signed_3'Size use 3;
274
275   type Signed_4 is range -2 ** 3 .. 2 ** 3 - 1;
276   for Signed_4'Size use 4;
277
278   type Signed_5 is range -2 ** 4 .. 2 ** 4 - 1;
279   for Signed_5'Size use 5;
280
281   type Signed_6 is range -2 ** 5 .. 2 ** 5 - 1;
282   for Signed_6'Size use 6;
283
284   type Signed_7 is range -2 ** 6 .. 2 ** 6 - 1;
285   for Signed_7'Size use 7;
286
287   type Signed_8 is range -2 ** 7 .. 2 ** 7 - 1;
288   for Signed_8'Size use 8;
289
290   type Signed_9 is range -2 ** 8 .. 2 ** 8 - 1;
291   for Signed_9'Size use 9;
292
293   type Signed_10 is range -2 ** 9 .. 2 ** 9 - 1;
294   for Signed_10'Size use 10;
295
296   type Signed_11 is range -2 ** 10 .. 2 ** 10 - 1;
297   for Signed_11'Size use 11;
298
299   type Signed_12 is range -2 ** 11 .. 2 ** 11 - 1;
300   for Signed_12'Size use 12;
301
302   type Signed_13 is range -2 ** 12 .. 2 ** 12 - 1;
303   for Signed_13'Size use 13;
304
305   type Signed_14 is range -2 ** 13 .. 2 ** 13 - 1;
306   for Signed_14'Size use 14;
307
308   type Signed_15 is range -2 ** 14 .. 2 ** 14 - 1;
309   for Signed_15'Size use 15;
310
311   type Signed_16 is range -2 ** 15 .. 2 ** 15 - 1;
312   for Signed_16'Size use 16;
313
314   type Signed_17 is range -2 ** 16 .. 2 ** 16 - 1;
315   for Signed_17'Size use 17;
316
317   type Signed_18 is range -2 ** 17 .. 2 ** 17 - 1;
318   for Signed_18'Size use 18;
319
320   type Signed_19 is range -2 ** 18 .. 2 ** 18 - 1;
321   for Signed_19'Size use 19;
322
323   type Signed_20 is range -2 ** 19 .. 2 ** 19 - 1;
324   for Signed_20'Size use 20;
325
326   type Signed_21 is range -2 ** 20 .. 2 ** 20 - 1;
327   for Signed_21'Size use 21;
328
329   type Signed_22 is range -2 ** 21 .. 2 ** 21 - 1;
330   for Signed_22'Size use 22;
331
332   type Signed_23 is range -2 ** 22 .. 2 ** 22 - 1;
333   for Signed_23'Size use 23;
334
335   type Signed_24 is range -2 ** 23 .. 2 ** 23 - 1;
336   for Signed_24'Size use 24;
337
338   type Signed_25 is range -2 ** 24 .. 2 ** 24 - 1;
339   for Signed_25'Size use 25;
340
341   type Signed_26 is range -2 ** 25 .. 2 ** 25 - 1;
342   for Signed_26'Size use 26;
343
344   type Signed_27 is range -2 ** 26 .. 2 ** 26 - 1;
345   for Signed_27'Size use 27;
346
347   type Signed_28 is range -2 ** 27 .. 2 ** 27 - 1;
348   for Signed_28'Size use 28;
349
350   type Signed_29 is range -2 ** 28 .. 2 ** 28 - 1;
351   for Signed_29'Size use 29;
352
353   type Signed_30 is range -2 ** 29 .. 2 ** 29 - 1;
354   for Signed_30'Size use 30;
355
356   type Signed_31 is range -2 ** 30 .. 2 ** 30 - 1;
357   for Signed_31'Size use 31;
358
359   type Signed_32 is range -2 ** 31 .. 2 ** 31 - 1;
360   for Signed_32'Size use 32;
361
362   type Signed_33 is range -2 ** 32 .. 2 ** 32 - 1;
363   for Signed_33'Size use 33;
364
365   type Signed_34 is range -2 ** 33 .. 2 ** 33 - 1;
366   for Signed_34'Size use 34;
367
368   type Signed_35 is range -2 ** 34 .. 2 ** 34 - 1;
369   for Signed_35'Size use 35;
370
371   type Signed_36 is range -2 ** 35 .. 2 ** 35 - 1;
372   for Signed_36'Size use 36;
373
374   type Signed_37 is range -2 ** 36 .. 2 ** 36 - 1;
375   for Signed_37'Size use 37;
376
377   type Signed_38 is range -2 ** 37 .. 2 ** 37 - 1;
378   for Signed_38'Size use 38;
379
380   type Signed_39 is range -2 ** 38 .. 2 ** 38 - 1;
381   for Signed_39'Size use 39;
382
383   type Signed_40 is range -2 ** 39 .. 2 ** 39 - 1;
384   for Signed_40'Size use 40;
385
386   type Signed_41 is range -2 ** 40 .. 2 ** 40 - 1;
387   for Signed_41'Size use 41;
388
389   type Signed_42 is range -2 ** 41 .. 2 ** 41 - 1;
390   for Signed_42'Size use 42;
391
392   type Signed_43 is range -2 ** 42 .. 2 ** 42 - 1;
393   for Signed_43'Size use 43;
394
395   type Signed_44 is range -2 ** 43 .. 2 ** 43 - 1;
396   for Signed_44'Size use 44;
397
398   type Signed_45 is range -2 ** 44 .. 2 ** 44 - 1;
399   for Signed_45'Size use 45;
400
401   type Signed_46 is range -2 ** 45 .. 2 ** 45 - 1;
402   for Signed_46'Size use 46;
403
404   type Signed_47 is range -2 ** 46 .. 2 ** 46 - 1;
405   for Signed_47'Size use 47;
406
407   type Signed_48 is range -2 ** 47 .. 2 ** 47 - 1;
408   for Signed_48'Size use 48;
409
410   type Signed_49 is range -2 ** 48 .. 2 ** 48 - 1;
411   for Signed_49'Size use 49;
412
413   type Signed_50 is range -2 ** 49 .. 2 ** 49 - 1;
414   for Signed_50'Size use 50;
415
416   type Signed_51 is range -2 ** 50 .. 2 ** 50 - 1;
417   for Signed_51'Size use 51;
418
419   type Signed_52 is range -2 ** 51 .. 2 ** 51 - 1;
420   for Signed_52'Size use 52;
421
422   type Signed_53 is range -2 ** 52 .. 2 ** 52 - 1;
423   for Signed_53'Size use 53;
424
425   type Signed_54 is range -2 ** 53 .. 2 ** 53 - 1;
426   for Signed_54'Size use 54;
427
428   type Signed_55 is range -2 ** 54 .. 2 ** 54 - 1;
429   for Signed_55'Size use 55;
430
431   type Signed_56 is range -2 ** 55 .. 2 ** 55 - 1;
432   for Signed_56'Size use 56;
433
434   type Signed_57 is range -2 ** 56 .. 2 ** 56 - 1;
435   for Signed_57'Size use 57;
436
437   type Signed_58 is range -2 ** 57 .. 2 ** 57 - 1;
438   for Signed_58'Size use 58;
439
440   type Signed_59 is range -2 ** 58 .. 2 ** 58 - 1;
441   for Signed_59'Size use 59;
442
443   type Signed_60 is range -2 ** 59 .. 2 ** 59 - 1;
444   for Signed_60'Size use 60;
445
446   type Signed_61 is range -2 ** 60 .. 2 ** 60 - 1;
447   for Signed_61'Size use 61;
448
449   type Signed_62 is range -2 ** 61 .. 2 ** 61 - 1;
450   for Signed_62'Size use 62;
451
452   type Signed_63 is range -2 ** 62 .. 2 ** 62 - 1;
453   for Signed_63'Size use 63;
454
455   type Signed_64 is range -2 ** 63 .. 2 ** 63 - 1;
456   for Signed_64'Size use 64;
457
458end Interfaces.C.Extensions;
459