1------------------------------------------------------------------------------ 2-- -- 3-- GNAT COMPILER COMPONENTS -- 4-- -- 5-- S Y S T E M . A U X _ D E C -- 6-- -- 7-- S p e c -- 8-- -- 9-- Copyright (C) 1996-2018, 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 definitions that are designed to be compatible 33-- with the extra definitions in package System for DEC Ada implementations. 34 35-- These definitions can be used directly by withing this package, or merged 36-- with System using pragma Extend_System (Aux_DEC) 37 38with Ada.Unchecked_Conversion; 39 40package System.Aux_DEC is 41 pragma Preelaborate; 42 43 subtype Short_Address is Address; 44 -- For compatibility with systems having short and long addresses 45 46 type Integer_8 is range -2 ** (8 - 1) .. +2 ** (8 - 1) - 1; 47 for Integer_8'Size use 8; 48 49 type Integer_16 is range -2 ** (16 - 1) .. +2 ** (16 - 1) - 1; 50 for Integer_16'Size use 16; 51 52 type Integer_32 is range -2 ** (32 - 1) .. +2 ** (32 - 1) - 1; 53 for Integer_32'Size use 32; 54 55 type Integer_64 is range -2 ** (64 - 1) .. +2 ** (64 - 1) - 1; 56 for Integer_64'Size use 64; 57 58 type Integer_8_Array is array (Integer range <>) of Integer_8; 59 type Integer_16_Array is array (Integer range <>) of Integer_16; 60 type Integer_32_Array is array (Integer range <>) of Integer_32; 61 type Integer_64_Array is array (Integer range <>) of Integer_64; 62 -- These array types are not in all versions of DEC System, and in fact it 63 -- is not quite clear why they are in some and not others, but since they 64 -- definitely appear in some versions, we include them unconditionally. 65 66 type Largest_Integer is range Min_Int .. Max_Int; 67 68 type AST_Handler is private; 69 70 No_AST_Handler : constant AST_Handler; 71 72 type Type_Class is 73 (Type_Class_Enumeration, 74 Type_Class_Integer, 75 Type_Class_Fixed_Point, 76 Type_Class_Floating_Point, 77 Type_Class_Array, 78 Type_Class_Record, 79 Type_Class_Access, 80 Type_Class_Task, -- also in Ada 95 protected 81 Type_Class_Address); 82 83 function "not" (Left : Largest_Integer) return Largest_Integer; 84 function "and" (Left, Right : Largest_Integer) return Largest_Integer; 85 function "or" (Left, Right : Largest_Integer) return Largest_Integer; 86 function "xor" (Left, Right : Largest_Integer) return Largest_Integer; 87 88 Address_Zero : constant Address; 89 No_Addr : constant Address; 90 Address_Size : constant := Standard'Address_Size; 91 Short_Address_Size : constant := Standard'Address_Size; 92 93 function "+" (Left : Address; Right : Integer) return Address; 94 function "+" (Left : Integer; Right : Address) return Address; 95 function "-" (Left : Address; Right : Address) return Integer; 96 function "-" (Left : Address; Right : Integer) return Address; 97 98 generic 99 type Target is private; 100 function Fetch_From_Address (A : Address) return Target; 101 102 generic 103 type Target is private; 104 procedure Assign_To_Address (A : Address; T : Target); 105 106 -- Floating point type declarations for VAX floating point data types 107 108 type F_Float is digits 6; 109 type D_Float is digits 9; 110 type G_Float is digits 15; 111 -- We provide the type names, but these will be IEEE format, not VAX format 112 113 -- Floating point type declarations for IEEE floating point data types 114 115 type IEEE_Single_Float is digits 6; 116 type IEEE_Double_Float is digits 15; 117 118 Non_Ada_Error : exception; 119 120 -- Hardware-oriented types and functions 121 122 type Bit_Array is array (Integer range <>) of Boolean; 123 pragma Pack (Bit_Array); 124 125 subtype Bit_Array_8 is Bit_Array (0 .. 7); 126 subtype Bit_Array_16 is Bit_Array (0 .. 15); 127 subtype Bit_Array_32 is Bit_Array (0 .. 31); 128 subtype Bit_Array_64 is Bit_Array (0 .. 63); 129 130 type Unsigned_Byte is range 0 .. 255; 131 for Unsigned_Byte'Size use 8; 132 133 function "not" (Left : Unsigned_Byte) return Unsigned_Byte; 134 function "and" (Left, Right : Unsigned_Byte) return Unsigned_Byte; 135 function "or" (Left, Right : Unsigned_Byte) return Unsigned_Byte; 136 function "xor" (Left, Right : Unsigned_Byte) return Unsigned_Byte; 137 138 function To_Unsigned_Byte (X : Bit_Array_8) return Unsigned_Byte; 139 function To_Bit_Array_8 (X : Unsigned_Byte) return Bit_Array_8; 140 141 type Unsigned_Byte_Array is array (Integer range <>) of Unsigned_Byte; 142 143 type Unsigned_Word is range 0 .. 65535; 144 for Unsigned_Word'Size use 16; 145 146 function "not" (Left : Unsigned_Word) return Unsigned_Word; 147 function "and" (Left, Right : Unsigned_Word) return Unsigned_Word; 148 function "or" (Left, Right : Unsigned_Word) return Unsigned_Word; 149 function "xor" (Left, Right : Unsigned_Word) return Unsigned_Word; 150 151 function To_Unsigned_Word (X : Bit_Array_16) return Unsigned_Word; 152 function To_Bit_Array_16 (X : Unsigned_Word) return Bit_Array_16; 153 154 type Unsigned_Word_Array is array (Integer range <>) of Unsigned_Word; 155 156 type Unsigned_Longword is range -2_147_483_648 .. 2_147_483_647; 157 for Unsigned_Longword'Size use 32; 158 159 function "not" (Left : Unsigned_Longword) return Unsigned_Longword; 160 function "and" (Left, Right : Unsigned_Longword) return Unsigned_Longword; 161 function "or" (Left, Right : Unsigned_Longword) return Unsigned_Longword; 162 function "xor" (Left, Right : Unsigned_Longword) return Unsigned_Longword; 163 164 function To_Unsigned_Longword (X : Bit_Array_32) return Unsigned_Longword; 165 function To_Bit_Array_32 (X : Unsigned_Longword) return Bit_Array_32; 166 167 type Unsigned_Longword_Array is 168 array (Integer range <>) of Unsigned_Longword; 169 170 type Unsigned_32 is range 0 .. 4_294_967_295; 171 for Unsigned_32'Size use 32; 172 173 function "not" (Left : Unsigned_32) return Unsigned_32; 174 function "and" (Left, Right : Unsigned_32) return Unsigned_32; 175 function "or" (Left, Right : Unsigned_32) return Unsigned_32; 176 function "xor" (Left, Right : Unsigned_32) return Unsigned_32; 177 178 function To_Unsigned_32 (X : Bit_Array_32) return Unsigned_32; 179 function To_Bit_Array_32 (X : Unsigned_32) return Bit_Array_32; 180 181 type Unsigned_Quadword is record 182 L0 : Unsigned_Longword; 183 L1 : Unsigned_Longword; 184 end record; 185 186 for Unsigned_Quadword'Size use 64; 187 for Unsigned_Quadword'Alignment use 188 Integer'Min (8, Standard'Maximum_Alignment); 189 190 function "not" (Left : Unsigned_Quadword) return Unsigned_Quadword; 191 function "and" (Left, Right : Unsigned_Quadword) return Unsigned_Quadword; 192 function "or" (Left, Right : Unsigned_Quadword) return Unsigned_Quadword; 193 function "xor" (Left, Right : Unsigned_Quadword) return Unsigned_Quadword; 194 195 function To_Unsigned_Quadword (X : Bit_Array_64) return Unsigned_Quadword; 196 function To_Bit_Array_64 (X : Unsigned_Quadword) return Bit_Array_64; 197 198 type Unsigned_Quadword_Array is 199 array (Integer range <>) of Unsigned_Quadword; 200 201 function To_Address (X : Integer) return Address; 202 pragma Pure_Function (To_Address); 203 204 function To_Address_Long (X : Unsigned_Longword) return Address; 205 pragma Pure_Function (To_Address_Long); 206 207 function To_Integer (X : Address) return Integer; 208 209 function To_Unsigned_Longword (X : Address) return Unsigned_Longword; 210 function To_Unsigned_Longword (X : AST_Handler) return Unsigned_Longword; 211 212 -- Conventional names for static subtypes of type UNSIGNED_LONGWORD 213 214 subtype Unsigned_1 is Unsigned_Longword range 0 .. 2** 1 - 1; 215 subtype Unsigned_2 is Unsigned_Longword range 0 .. 2** 2 - 1; 216 subtype Unsigned_3 is Unsigned_Longword range 0 .. 2** 3 - 1; 217 subtype Unsigned_4 is Unsigned_Longword range 0 .. 2** 4 - 1; 218 subtype Unsigned_5 is Unsigned_Longword range 0 .. 2** 5 - 1; 219 subtype Unsigned_6 is Unsigned_Longword range 0 .. 2** 6 - 1; 220 subtype Unsigned_7 is Unsigned_Longword range 0 .. 2** 7 - 1; 221 subtype Unsigned_8 is Unsigned_Longword range 0 .. 2** 8 - 1; 222 subtype Unsigned_9 is Unsigned_Longword range 0 .. 2** 9 - 1; 223 subtype Unsigned_10 is Unsigned_Longword range 0 .. 2**10 - 1; 224 subtype Unsigned_11 is Unsigned_Longword range 0 .. 2**11 - 1; 225 subtype Unsigned_12 is Unsigned_Longword range 0 .. 2**12 - 1; 226 subtype Unsigned_13 is Unsigned_Longword range 0 .. 2**13 - 1; 227 subtype Unsigned_14 is Unsigned_Longword range 0 .. 2**14 - 1; 228 subtype Unsigned_15 is Unsigned_Longword range 0 .. 2**15 - 1; 229 subtype Unsigned_16 is Unsigned_Longword range 0 .. 2**16 - 1; 230 subtype Unsigned_17 is Unsigned_Longword range 0 .. 2**17 - 1; 231 subtype Unsigned_18 is Unsigned_Longword range 0 .. 2**18 - 1; 232 subtype Unsigned_19 is Unsigned_Longword range 0 .. 2**19 - 1; 233 subtype Unsigned_20 is Unsigned_Longword range 0 .. 2**20 - 1; 234 subtype Unsigned_21 is Unsigned_Longword range 0 .. 2**21 - 1; 235 subtype Unsigned_22 is Unsigned_Longword range 0 .. 2**22 - 1; 236 subtype Unsigned_23 is Unsigned_Longword range 0 .. 2**23 - 1; 237 subtype Unsigned_24 is Unsigned_Longword range 0 .. 2**24 - 1; 238 subtype Unsigned_25 is Unsigned_Longword range 0 .. 2**25 - 1; 239 subtype Unsigned_26 is Unsigned_Longword range 0 .. 2**26 - 1; 240 subtype Unsigned_27 is Unsigned_Longword range 0 .. 2**27 - 1; 241 subtype Unsigned_28 is Unsigned_Longword range 0 .. 2**28 - 1; 242 subtype Unsigned_29 is Unsigned_Longword range 0 .. 2**29 - 1; 243 subtype Unsigned_30 is Unsigned_Longword range 0 .. 2**30 - 1; 244 subtype Unsigned_31 is Unsigned_Longword range 0 .. 2**31 - 1; 245 246 -- Function for obtaining global symbol values 247 248 function Import_Value (Symbol : String) return Unsigned_Longword; 249 function Import_Address (Symbol : String) return Address; 250 function Import_Largest_Value (Symbol : String) return Largest_Integer; 251 252 pragma Import (Intrinsic, Import_Value); 253 pragma Import (Intrinsic, Import_Address); 254 pragma Import (Intrinsic, Import_Largest_Value); 255 256 -- For the following declarations, note that the declaration without a 257 -- Retry_Count parameter means to retry infinitely. A value of zero for 258 -- the Retry_Count parameter means do not retry. 259 260 -- Interlocked-instruction procedures 261 262 procedure Clear_Interlocked 263 (Bit : in out Boolean; 264 Old_Value : out Boolean); 265 266 procedure Set_Interlocked 267 (Bit : in out Boolean; 268 Old_Value : out Boolean); 269 270 type Aligned_Word is record 271 Value : Short_Integer; 272 end record; 273 274 for Aligned_Word'Alignment use Integer'Min (2, Standard'Maximum_Alignment); 275 276 procedure Clear_Interlocked 277 (Bit : in out Boolean; 278 Old_Value : out Boolean; 279 Retry_Count : Natural; 280 Success_Flag : out Boolean); 281 282 procedure Set_Interlocked 283 (Bit : in out Boolean; 284 Old_Value : out Boolean; 285 Retry_Count : Natural; 286 Success_Flag : out Boolean); 287 288 procedure Add_Interlocked 289 (Addend : Short_Integer; 290 Augend : in out Aligned_Word; 291 Sign : out Integer); 292 293 type Aligned_Integer is record 294 Value : Integer; 295 end record; 296 297 for Aligned_Integer'Alignment use 298 Integer'Min (4, Standard'Maximum_Alignment); 299 300 type Aligned_Long_Integer is record 301 Value : Long_Integer; 302 end record; 303 304 for Aligned_Long_Integer'Alignment use 305 Integer'Min (8, Standard'Maximum_Alignment); 306 307 -- For the following declarations, note that the declaration without a 308 -- Retry_Count parameter mean to retry infinitely. A value of zero for 309 -- the Retry_Count means do not retry. 310 311 procedure Add_Atomic 312 (To : in out Aligned_Integer; 313 Amount : Integer); 314 315 procedure Add_Atomic 316 (To : in out Aligned_Integer; 317 Amount : Integer; 318 Retry_Count : Natural; 319 Old_Value : out Integer; 320 Success_Flag : out Boolean); 321 322 procedure Add_Atomic 323 (To : in out Aligned_Long_Integer; 324 Amount : Long_Integer); 325 326 procedure Add_Atomic 327 (To : in out Aligned_Long_Integer; 328 Amount : Long_Integer; 329 Retry_Count : Natural; 330 Old_Value : out Long_Integer; 331 Success_Flag : out Boolean); 332 333 procedure And_Atomic 334 (To : in out Aligned_Integer; 335 From : Integer); 336 337 procedure And_Atomic 338 (To : in out Aligned_Integer; 339 From : Integer; 340 Retry_Count : Natural; 341 Old_Value : out Integer; 342 Success_Flag : out Boolean); 343 344 procedure And_Atomic 345 (To : in out Aligned_Long_Integer; 346 From : Long_Integer); 347 348 procedure And_Atomic 349 (To : in out Aligned_Long_Integer; 350 From : Long_Integer; 351 Retry_Count : Natural; 352 Old_Value : out Long_Integer; 353 Success_Flag : out Boolean); 354 355 procedure Or_Atomic 356 (To : in out Aligned_Integer; 357 From : Integer); 358 359 procedure Or_Atomic 360 (To : in out Aligned_Integer; 361 From : Integer; 362 Retry_Count : Natural; 363 Old_Value : out Integer; 364 Success_Flag : out Boolean); 365 366 procedure Or_Atomic 367 (To : in out Aligned_Long_Integer; 368 From : Long_Integer); 369 370 procedure Or_Atomic 371 (To : in out Aligned_Long_Integer; 372 From : Long_Integer; 373 Retry_Count : Natural; 374 Old_Value : out Long_Integer; 375 Success_Flag : out Boolean); 376 377 type Insq_Status is (Fail_No_Lock, OK_Not_First, OK_First); 378 379 for Insq_Status use 380 (Fail_No_Lock => -1, 381 OK_Not_First => 0, 382 OK_First => +1); 383 384 type Remq_Status is ( 385 Fail_No_Lock, 386 Fail_Was_Empty, 387 OK_Not_Empty, 388 OK_Empty); 389 390 for Remq_Status use 391 (Fail_No_Lock => -1, 392 Fail_Was_Empty => 0, 393 OK_Not_Empty => +1, 394 OK_Empty => +2); 395 396 procedure Insqhi 397 (Item : Address; 398 Header : Address; 399 Status : out Insq_Status); 400 401 procedure Remqhi 402 (Header : Address; 403 Item : out Address; 404 Status : out Remq_Status); 405 406 procedure Insqti 407 (Item : Address; 408 Header : Address; 409 Status : out Insq_Status); 410 411 procedure Remqti 412 (Header : Address; 413 Item : out Address; 414 Status : out Remq_Status); 415 416private 417 418 Address_Zero : constant Address := Null_Address; 419 No_Addr : constant Address := Null_Address; 420 421 -- An AST_Handler value is from a typing point of view simply a pointer 422 -- to a procedure taking a single 64 bit parameter. However, this 423 -- is a bit misleading, because the data that this pointer references is 424 -- highly stylized. See body of System.AST_Handling for full details. 425 426 type AST_Handler is access procedure (Param : Long_Integer); 427 No_AST_Handler : constant AST_Handler := null; 428 429 -- Other operators have incorrect profiles. It would be nice to make 430 -- them intrinsic, since the backend can handle them, but the front 431 -- end is not prepared to deal with them, so at least inline them. 432 433 pragma Inline_Always ("+"); 434 pragma Inline_Always ("-"); 435 pragma Inline_Always ("not"); 436 pragma Inline_Always ("and"); 437 pragma Inline_Always ("or"); 438 pragma Inline_Always ("xor"); 439 440 -- Other inlined subprograms 441 442 pragma Inline_Always (Fetch_From_Address); 443 pragma Inline_Always (Assign_To_Address); 444 445 -- Synchronization related subprograms. Mechanism is explicitly set 446 -- so that the critical parameters are passed by reference. 447 -- Without this, the parameters are passed by copy, creating load/store 448 -- race conditions. We also inline them, since this seems more in the 449 -- spirit of the original (hardware intrinsic) routines. 450 451 pragma Export_Procedure 452 (Clear_Interlocked, 453 External => "system__aux_dec__clear_interlocked__1", 454 Parameter_Types => (Boolean, Boolean), 455 Mechanism => (Reference, Reference)); 456 pragma Export_Procedure 457 (Clear_Interlocked, 458 External => "system__aux_dec__clear_interlocked__2", 459 Parameter_Types => (Boolean, Boolean, Natural, Boolean), 460 Mechanism => (Reference, Reference, Value, Reference)); 461 pragma Inline_Always (Clear_Interlocked); 462 463 pragma Export_Procedure 464 (Set_Interlocked, 465 External => "system__aux_dec__set_interlocked__1", 466 Parameter_Types => (Boolean, Boolean), 467 Mechanism => (Reference, Reference)); 468 pragma Export_Procedure 469 (Set_Interlocked, 470 External => "system__aux_dec__set_interlocked__2", 471 Parameter_Types => (Boolean, Boolean, Natural, Boolean), 472 Mechanism => (Reference, Reference, Value, Reference)); 473 pragma Inline_Always (Set_Interlocked); 474 475 pragma Export_Procedure 476 (Add_Interlocked, 477 External => "system__aux_dec__add_interlocked__1", 478 Mechanism => (Value, Reference, Reference)); 479 pragma Inline_Always (Add_Interlocked); 480 481 pragma Export_Procedure 482 (Add_Atomic, 483 External => "system__aux_dec__add_atomic__1", 484 Parameter_Types => (Aligned_Integer, Integer), 485 Mechanism => (Reference, Value)); 486 pragma Export_Procedure 487 (Add_Atomic, 488 External => "system__aux_dec__add_atomic__2", 489 Parameter_Types => (Aligned_Integer, Integer, Natural, Integer, Boolean), 490 Mechanism => (Reference, Value, Value, Reference, Reference)); 491 pragma Export_Procedure 492 (Add_Atomic, 493 External => "system__aux_dec__add_atomic__3", 494 Parameter_Types => (Aligned_Long_Integer, Long_Integer), 495 Mechanism => (Reference, Value)); 496 pragma Export_Procedure 497 (Add_Atomic, 498 External => "system__aux_dec__add_atomic__4", 499 Parameter_Types => (Aligned_Long_Integer, Long_Integer, Natural, 500 Long_Integer, Boolean), 501 Mechanism => (Reference, Value, Value, Reference, Reference)); 502 pragma Inline_Always (Add_Atomic); 503 504 pragma Export_Procedure 505 (And_Atomic, 506 External => "system__aux_dec__and_atomic__1", 507 Parameter_Types => (Aligned_Integer, Integer), 508 Mechanism => (Reference, Value)); 509 pragma Export_Procedure 510 (And_Atomic, 511 External => "system__aux_dec__and_atomic__2", 512 Parameter_Types => (Aligned_Integer, Integer, Natural, Integer, Boolean), 513 Mechanism => (Reference, Value, Value, Reference, Reference)); 514 pragma Export_Procedure 515 (And_Atomic, 516 External => "system__aux_dec__and_atomic__3", 517 Parameter_Types => (Aligned_Long_Integer, Long_Integer), 518 Mechanism => (Reference, Value)); 519 pragma Export_Procedure 520 (And_Atomic, 521 External => "system__aux_dec__and_atomic__4", 522 Parameter_Types => (Aligned_Long_Integer, Long_Integer, Natural, 523 Long_Integer, Boolean), 524 Mechanism => (Reference, Value, Value, Reference, Reference)); 525 pragma Inline_Always (And_Atomic); 526 527 pragma Export_Procedure 528 (Or_Atomic, 529 External => "system__aux_dec__or_atomic__1", 530 Parameter_Types => (Aligned_Integer, Integer), 531 Mechanism => (Reference, Value)); 532 pragma Export_Procedure 533 (Or_Atomic, 534 External => "system__aux_dec__or_atomic__2", 535 Parameter_Types => (Aligned_Integer, Integer, Natural, Integer, Boolean), 536 Mechanism => (Reference, Value, Value, Reference, Reference)); 537 pragma Export_Procedure 538 (Or_Atomic, 539 External => "system__aux_dec__or_atomic__3", 540 Parameter_Types => (Aligned_Long_Integer, Long_Integer), 541 Mechanism => (Reference, Value)); 542 pragma Export_Procedure 543 (Or_Atomic, 544 External => "system__aux_dec__or_atomic__4", 545 Parameter_Types => (Aligned_Long_Integer, Long_Integer, Natural, 546 Long_Integer, Boolean), 547 Mechanism => (Reference, Value, Value, Reference, Reference)); 548 pragma Inline_Always (Or_Atomic); 549 550 -- Provide proper unchecked conversion definitions for transfer 551 -- functions. Note that we need this level of indirection because 552 -- the formal parameter name is X and not Source (and this is indeed 553 -- detectable by a program) 554 555 function To_Unsigned_Byte_A is new 556 Ada.Unchecked_Conversion (Bit_Array_8, Unsigned_Byte); 557 558 function To_Unsigned_Byte (X : Bit_Array_8) return Unsigned_Byte 559 renames To_Unsigned_Byte_A; 560 561 function To_Bit_Array_8_A is new 562 Ada.Unchecked_Conversion (Unsigned_Byte, Bit_Array_8); 563 564 function To_Bit_Array_8 (X : Unsigned_Byte) return Bit_Array_8 565 renames To_Bit_Array_8_A; 566 567 function To_Unsigned_Word_A is new 568 Ada.Unchecked_Conversion (Bit_Array_16, Unsigned_Word); 569 570 function To_Unsigned_Word (X : Bit_Array_16) return Unsigned_Word 571 renames To_Unsigned_Word_A; 572 573 function To_Bit_Array_16_A is new 574 Ada.Unchecked_Conversion (Unsigned_Word, Bit_Array_16); 575 576 function To_Bit_Array_16 (X : Unsigned_Word) return Bit_Array_16 577 renames To_Bit_Array_16_A; 578 579 function To_Unsigned_Longword_A is new 580 Ada.Unchecked_Conversion (Bit_Array_32, Unsigned_Longword); 581 582 function To_Unsigned_Longword (X : Bit_Array_32) return Unsigned_Longword 583 renames To_Unsigned_Longword_A; 584 585 function To_Bit_Array_32_A is new 586 Ada.Unchecked_Conversion (Unsigned_Longword, Bit_Array_32); 587 588 function To_Bit_Array_32 (X : Unsigned_Longword) return Bit_Array_32 589 renames To_Bit_Array_32_A; 590 591 function To_Unsigned_32_A is new 592 Ada.Unchecked_Conversion (Bit_Array_32, Unsigned_32); 593 594 function To_Unsigned_32 (X : Bit_Array_32) return Unsigned_32 595 renames To_Unsigned_32_A; 596 597 function To_Bit_Array_32_A is new 598 Ada.Unchecked_Conversion (Unsigned_32, Bit_Array_32); 599 600 function To_Bit_Array_32 (X : Unsigned_32) return Bit_Array_32 601 renames To_Bit_Array_32_A; 602 603 function To_Unsigned_Quadword_A is new 604 Ada.Unchecked_Conversion (Bit_Array_64, Unsigned_Quadword); 605 606 function To_Unsigned_Quadword (X : Bit_Array_64) return Unsigned_Quadword 607 renames To_Unsigned_Quadword_A; 608 609 function To_Bit_Array_64_A is new 610 Ada.Unchecked_Conversion (Unsigned_Quadword, Bit_Array_64); 611 612 function To_Bit_Array_64 (X : Unsigned_Quadword) return Bit_Array_64 613 renames To_Bit_Array_64_A; 614 615 pragma Warnings (Off); 616 -- Turn warnings off. This is needed for systems with 64-bit integers, 617 -- where some of these operations are of dubious meaning, but we do not 618 -- want warnings when we compile on such systems. 619 620 function To_Address_A is new 621 Ada.Unchecked_Conversion (Integer, Address); 622 pragma Pure_Function (To_Address_A); 623 624 function To_Address (X : Integer) return Address 625 renames To_Address_A; 626 pragma Pure_Function (To_Address); 627 628 function To_Address_Long_A is new 629 Ada.Unchecked_Conversion (Unsigned_Longword, Address); 630 pragma Pure_Function (To_Address_Long_A); 631 632 function To_Address_Long (X : Unsigned_Longword) return Address 633 renames To_Address_Long_A; 634 pragma Pure_Function (To_Address_Long); 635 636 function To_Integer_A is new 637 Ada.Unchecked_Conversion (Address, Integer); 638 639 function To_Integer (X : Address) return Integer 640 renames To_Integer_A; 641 642 function To_Unsigned_Longword_A is new 643 Ada.Unchecked_Conversion (Address, Unsigned_Longword); 644 645 function To_Unsigned_Longword (X : Address) return Unsigned_Longword 646 renames To_Unsigned_Longword_A; 647 648 function To_Unsigned_Longword_A is new 649 Ada.Unchecked_Conversion (AST_Handler, Unsigned_Longword); 650 651 function To_Unsigned_Longword (X : AST_Handler) return Unsigned_Longword 652 renames To_Unsigned_Longword_A; 653 654 pragma Warnings (On); 655 656end System.Aux_DEC; 657