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Diffstat (limited to 'gcc/ada/s-scaval.ads')
| -rw-r--r-- | gcc/ada/s-scaval.ads | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/gcc/ada/s-scaval.ads b/gcc/ada/s-scaval.ads new file mode 100644 index 00000000000..db121d20ba7 --- /dev/null +++ b/gcc/ada/s-scaval.ads @@ -0,0 +1,75 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUNTIME COMPONENTS -- +-- -- +-- S Y S T E M . S C A L A R _ V A L U E S -- +-- S p e c -- +-- -- +-- $Revision: 1.2 $ +-- -- +-- Copyright (C) 2001 Free Software Foundation, Inc. -- +-- -- +-- 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 2, 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. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNAT; see file COPYING. If not, write -- +-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- +-- MA 02111-1307, USA. -- +-- -- +-- As a special exception, if other files instantiate generics from this -- +-- unit, or you link this unit with other files to produce an executable, -- +-- this unit does not by itself cause the resulting executable to be -- +-- covered by the GNU General Public License. This exception does not -- +-- however invalidate any other reasons why the executable file might be -- +-- covered by the GNU Public License. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). -- +-- -- +------------------------------------------------------------------------------ + +-- This package defines the constants used for initializing scalar values +-- when pragma Initialize_Scalars is used. The actual values are defined +-- in the binder generated file. This package contains the Ada names that +-- are used by the generated code, which are linked to the actual values +-- by the use of pragma Import. + +package System.Scalar_Values is +pragma Pure (Scalar_Values); + + type Byte1 is mod 2 ** 8; + type Byte2 is mod 2 ** 16; + type Byte4 is mod 2 ** 32; + type Byte8 is mod 2 ** 64; + + IS_Is1 : constant Byte1; -- Initialize 1 byte signed value + IS_Is2 : constant Byte2; -- Initialize 2 byte signed value + IS_Is4 : constant Byte4; -- Initialize 4 byte signed value + IS_Is8 : constant Byte8; -- Initialize 8 byte signed value + IS_Iu1 : constant Byte1; -- Initialize 1 byte unsigned value + IS_Iu2 : constant Byte2; -- Initialize 2 byte unsigned value + IS_Iu4 : constant Byte4; -- Initialize 4 byte unsigned value + IS_Iu8 : constant Byte8; -- Initialize 8 byte unsigned value + IS_Isf : constant Short_Float; -- Initialize short float value + IS_Ifl : constant Float; -- Initialize float value + IS_Ilf : constant Long_Float; -- Initialize long float value + IS_Ill : constant Long_Long_Float; -- Initialize long long float value + + pragma Import (Ada, IS_Is1, "__gnat_Is1"); + pragma Import (Ada, IS_Is2, "__gnat_Is2"); + pragma Import (Ada, IS_Is4, "__gnat_Is4"); + pragma Import (Ada, IS_Is8, "__gnat_Is8"); + pragma Import (Ada, IS_Iu1, "__gnat_Iu1"); + pragma Import (Ada, IS_Iu2, "__gnat_Iu2"); + pragma Import (Ada, IS_Iu4, "__gnat_Iu4"); + pragma Import (Ada, IS_Iu8, "__gnat_Iu8"); + pragma Import (Ada, IS_Isf, "__gnat_Isf"); + pragma Import (Ada, IS_Ifl, "__gnat_Ifl"); + pragma Import (Ada, IS_Ilf, "__gnat_Ilf"); + pragma Import (Ada, IS_Ill, "__gnat_Ill"); + +end System.Scalar_Values; |