1------------------------------------------------------------------------------ 2-- -- 3-- GNAT COMPILER COMPONENTS -- 4-- -- 5-- I N T E R F A C E S -- 6-- -- 7-- S p e c -- 8-- -- 9-- Copyright (C) 2002-2013, Free Software Foundation, Inc. -- 10-- -- 11-- This specification is derived from the Ada Reference Manual for use with -- 12-- GNAT. The copyright notice above, and the license provisions that follow -- 13-- apply solely to the implementation dependent sections of this file. -- 14-- -- 15-- GNAT is free software; you can redistribute it and/or modify it under -- 16-- terms of the GNU General Public License as published by the Free Soft- -- 17-- ware Foundation; either version 3, or (at your option) any later ver- -- 18-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- 19-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- 20-- or FITNESS FOR A PARTICULAR PURPOSE. -- 21-- -- 22-- As a special exception under Section 7 of GPL version 3, you are granted -- 23-- additional permissions described in the GCC Runtime Library Exception, -- 24-- version 3.1, as published by the Free Software Foundation. -- 25-- -- 26-- You should have received a copy of the GNU General Public License and -- 27-- a copy of the GCC Runtime Library Exception along with this program; -- 28-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- 29-- <http://www.gnu.org/licenses/>. -- 30-- -- 31-- GNAT was originally developed by the GNAT team at New York University. -- 32-- Extensive contributions were provided by Ada Core Technologies Inc. -- 33-- -- 34------------------------------------------------------------------------------ 35 36pragma Compiler_Unit_Warning; 37 38package Interfaces is 39 pragma Pure; 40 41 -- All identifiers in this unit are implementation defined 42 43 pragma Implementation_Defined; 44 45 type Integer_8 is range -2 ** 7 .. 2 ** 7 - 1; 46 for Integer_8'Size use 8; 47 48 type Integer_16 is range -2 ** 15 .. 2 ** 15 - 1; 49 for Integer_16'Size use 16; 50 51 type Integer_32 is range -2 ** 31 .. 2 ** 31 - 1; 52 for Integer_32'Size use 32; 53 54 type Integer_64 is range -2 ** 63 .. 2 ** 63 - 1; 55 for Integer_64'Size use 64; 56 57 type Unsigned_8 is mod 2 ** 8; 58 for Unsigned_8'Size use 8; 59 60 type Unsigned_16 is mod 2 ** 16; 61 for Unsigned_16'Size use 16; 62 63 type Unsigned_32 is mod 2 ** 32; 64 for Unsigned_32'Size use 32; 65 66 type Unsigned_64 is mod 2 ** 64; 67 for Unsigned_64'Size use 64; 68 69 function Shift_Left 70 (Value : Unsigned_8; 71 Amount : Natural) return Unsigned_8; 72 73 function Shift_Right 74 (Value : Unsigned_8; 75 Amount : Natural) return Unsigned_8; 76 77 function Shift_Right_Arithmetic 78 (Value : Unsigned_8; 79 Amount : Natural) return Unsigned_8; 80 81 function Rotate_Left 82 (Value : Unsigned_8; 83 Amount : Natural) return Unsigned_8; 84 85 function Rotate_Right 86 (Value : Unsigned_8; 87 Amount : Natural) return Unsigned_8; 88 89 function Shift_Left 90 (Value : Unsigned_16; 91 Amount : Natural) return Unsigned_16; 92 93 function Shift_Right 94 (Value : Unsigned_16; 95 Amount : Natural) return Unsigned_16; 96 97 function Shift_Right_Arithmetic 98 (Value : Unsigned_16; 99 Amount : Natural) return Unsigned_16; 100 101 function Rotate_Left 102 (Value : Unsigned_16; 103 Amount : Natural) return Unsigned_16; 104 105 function Rotate_Right 106 (Value : Unsigned_16; 107 Amount : Natural) return Unsigned_16; 108 109 function Shift_Left 110 (Value : Unsigned_32; 111 Amount : Natural) return Unsigned_32; 112 113 function Shift_Right 114 (Value : Unsigned_32; 115 Amount : Natural) return Unsigned_32; 116 117 function Shift_Right_Arithmetic 118 (Value : Unsigned_32; 119 Amount : Natural) return Unsigned_32; 120 121 function Rotate_Left 122 (Value : Unsigned_32; 123 Amount : Natural) return Unsigned_32; 124 125 function Rotate_Right 126 (Value : Unsigned_32; 127 Amount : Natural) return Unsigned_32; 128 129 function Shift_Left 130 (Value : Unsigned_64; 131 Amount : Natural) return Unsigned_64; 132 133 function Shift_Right 134 (Value : Unsigned_64; 135 Amount : Natural) return Unsigned_64; 136 137 function Shift_Right_Arithmetic 138 (Value : Unsigned_64; 139 Amount : Natural) return Unsigned_64; 140 141 function Rotate_Left 142 (Value : Unsigned_64; 143 Amount : Natural) return Unsigned_64; 144 145 function Rotate_Right 146 (Value : Unsigned_64; 147 Amount : Natural) return Unsigned_64; 148 149 pragma Import (Intrinsic, Shift_Left); 150 pragma Import (Intrinsic, Shift_Right); 151 pragma Import (Intrinsic, Shift_Right_Arithmetic); 152 pragma Import (Intrinsic, Rotate_Left); 153 pragma Import (Intrinsic, Rotate_Right); 154 155 -- IEEE Floating point types. Note that the form of these definitions 156 -- ensures that the work on VMS, even if the standard library is compiled 157 -- using a Float_Representation pragma for Vax_Float. 158 159 pragma Warnings (Off); 160 -- Turn off warnings for targets not providing IEEE floating-point types 161 162 type IEEE_Float_32 is digits 6; 163 pragma Float_Representation (IEEE_Float, IEEE_Float_32); 164 for IEEE_Float_32'Size use 32; 165 166 type IEEE_Float_64 is digits 15; 167 pragma Float_Representation (IEEE_Float, IEEE_Float_64); 168 for IEEE_Float_64'Size use 64; 169 170 -- If there is an IEEE extended float available on the machine, we assume 171 -- that it is available as Long_Long_Float. 172 173 -- Note: it is harmless, and explicitly permitted, to include additional 174 -- types in interfaces, so it is not wrong to have IEEE_Extended_Float 175 -- defined even if the extended format is not available. 176 177 type IEEE_Extended_Float is new Long_Long_Float; 178 179end Interfaces; 180