------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- I N T E R F A C E S -- -- -- -- S p e c -- -- -- -- Copyright (C) 2002-2018, 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 -- -- . -- -- -- -- 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 No_Elaboration_Code_All; 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_24 is mod 2 ** 24; for Unsigned_24'Size use 24; -- Declare this type for compatibility with legacy Ada compilers. -- This is particularly useful in the context of CodePeer analysis. 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;