| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT COMPILER COMPONENTS -- |
| -- -- |
| -- I N T E R F A C E S -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- Copyright (C) 2002-2014, Free Software Foundation, Inc. -- |
| -- -- |
| -- This specification is derived from the Ada Reference Manual for use with -- |
| -- GNAT. The copyright notice above, and the license provisions that follow -- |
| -- apply solely to the implementation dependent sections of this file. -- |
| -- -- |
| -- GNAT is free software; you can redistribute it and/or modify it under -- |
| -- terms of the GNU General Public License as published by the Free Soft- -- |
| -- ware Foundation; either version 3, or (at your option) any later ver- -- |
| -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- |
| -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- |
| -- or FITNESS FOR A PARTICULAR PURPOSE. -- |
| -- -- |
| -- As a special exception under Section 7 of GPL version 3, you are granted -- |
| -- additional permissions described in the GCC Runtime Library Exception, -- |
| -- version 3.1, as published by the Free Software Foundation. -- |
| -- -- |
| -- You should have received a copy of the GNU General Public License and -- |
| -- a copy of the GCC Runtime Library Exception along with this program; -- |
| -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- |
| -- <http://www.gnu.org/licenses/>. -- |
| -- -- |
| -- GNAT was originally developed by the GNAT team at New York University. -- |
| -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| pragma Compiler_Unit_Warning; |
| |
| package Interfaces is |
| pragma Pure; |
| |
| -- All identifiers in this unit are implementation defined |
| |
| pragma Implementation_Defined; |
| |
| type Integer_8 is range -2 ** 7 .. 2 ** 7 - 1; |
| for Integer_8'Size use 8; |
| |
| type Integer_16 is range -2 ** 15 .. 2 ** 15 - 1; |
| for Integer_16'Size use 16; |
| |
| type Integer_32 is range -2 ** 31 .. 2 ** 31 - 1; |
| for Integer_32'Size use 32; |
| |
| type Integer_64 is new Long_Long_Integer; |
| for Integer_64'Size use 64; |
| -- Note: we use Long_Long_Integer'First instead of -2 ** 63 to allow this |
| -- unit to compile when using custom target configuration files where the |
| -- maximum integer is 32 bits. This is useful for static analysis tools |
| -- such as SPARK or CodePeer. In the normal case Long_Long_Integer is |
| -- always 64-bits so we get the desired 64-bit type. |
| |
| type Unsigned_8 is mod 2 ** 8; |
| for Unsigned_8'Size use 8; |
| |
| type Unsigned_16 is mod 2 ** 16; |
| for Unsigned_16'Size use 16; |
| |
| type Unsigned_32 is mod 2 ** 32; |
| for Unsigned_32'Size use 32; |
| |
| type Unsigned_64 is mod 2 ** Long_Long_Integer'Size; |
| for Unsigned_64'Size use 64; |
| -- See comment on Integer_64 above |
| |
| function Shift_Left |
| (Value : Unsigned_8; |
| Amount : Natural) return Unsigned_8; |
| |
| function Shift_Right |
| (Value : Unsigned_8; |
| Amount : Natural) return Unsigned_8; |
| |
| function Shift_Right_Arithmetic |
| (Value : Unsigned_8; |
| Amount : Natural) return Unsigned_8; |
| |
| function Rotate_Left |
| (Value : Unsigned_8; |
| Amount : Natural) return Unsigned_8; |
| |
| function Rotate_Right |
| (Value : Unsigned_8; |
| Amount : Natural) return Unsigned_8; |
| |
| function Shift_Left |
| (Value : Unsigned_16; |
| Amount : Natural) return Unsigned_16; |
| |
| function Shift_Right |
| (Value : Unsigned_16; |
| Amount : Natural) return Unsigned_16; |
| |
| function Shift_Right_Arithmetic |
| (Value : Unsigned_16; |
| Amount : Natural) return Unsigned_16; |
| |
| function Rotate_Left |
| (Value : Unsigned_16; |
| Amount : Natural) return Unsigned_16; |
| |
| function Rotate_Right |
| (Value : Unsigned_16; |
| Amount : Natural) return Unsigned_16; |
| |
| function Shift_Left |
| (Value : Unsigned_32; |
| Amount : Natural) return Unsigned_32; |
| |
| function Shift_Right |
| (Value : Unsigned_32; |
| Amount : Natural) return Unsigned_32; |
| |
| function Shift_Right_Arithmetic |
| (Value : Unsigned_32; |
| Amount : Natural) return Unsigned_32; |
| |
| function Rotate_Left |
| (Value : Unsigned_32; |
| Amount : Natural) return Unsigned_32; |
| |
| function Rotate_Right |
| (Value : Unsigned_32; |
| Amount : Natural) return Unsigned_32; |
| |
| function Shift_Left |
| (Value : Unsigned_64; |
| Amount : Natural) return Unsigned_64; |
| |
| function Shift_Right |
| (Value : Unsigned_64; |
| Amount : Natural) return Unsigned_64; |
| |
| function Shift_Right_Arithmetic |
| (Value : Unsigned_64; |
| Amount : Natural) return Unsigned_64; |
| |
| function Rotate_Left |
| (Value : Unsigned_64; |
| Amount : Natural) return Unsigned_64; |
| |
| function Rotate_Right |
| (Value : Unsigned_64; |
| Amount : Natural) return Unsigned_64; |
| |
| pragma Import (Intrinsic, Shift_Left); |
| pragma Import (Intrinsic, Shift_Right); |
| pragma Import (Intrinsic, Shift_Right_Arithmetic); |
| pragma Import (Intrinsic, Rotate_Left); |
| pragma Import (Intrinsic, Rotate_Right); |
| |
| -- IEEE Floating point types |
| |
| type IEEE_Float_32 is digits 6; |
| for IEEE_Float_32'Size use 32; |
| |
| type IEEE_Float_64 is digits 15; |
| for IEEE_Float_64'Size use 64; |
| |
| -- If there is an IEEE extended float available on the machine, we assume |
| -- that it is available as Long_Long_Float. |
| |
| -- Note: it is harmless, and explicitly permitted, to include additional |
| -- types in interfaces, so it is not wrong to have IEEE_Extended_Float |
| -- defined even if the extended format is not available. |
| |
| type IEEE_Extended_Float is new Long_Long_Float; |
| |
| end Interfaces; |
