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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [gcc/] [ada/] [system-aix.ads] - Rev 20
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------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- S Y S T E M -- -- -- -- S p e c -- -- (AIX/PPC Version) -- -- -- -- Copyright (C) 1992-2005, 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 contents of the part following the private keyword. -- -- -- -- 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, 51 Franklin Street, Fifth Floor, -- -- Boston, MA 02110-1301, 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. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ package System is pragma Pure; -- Note that we take advantage of the implementation permission to make -- this unit Pure instead of Preelaborable; see RM 13.7.1(15). In Ada -- 2005, this is Pure in any case (AI-362). type Name is (SYSTEM_NAME_GNAT); System_Name : constant Name := SYSTEM_NAME_GNAT; -- System-Dependent Named Numbers Min_Int : constant := Long_Long_Integer'First; Max_Int : constant := Long_Long_Integer'Last; Max_Binary_Modulus : constant := 2 ** Long_Long_Integer'Size; Max_Nonbinary_Modulus : constant := Integer'Last; Max_Base_Digits : constant := Long_Long_Float'Digits; Max_Digits : constant := Long_Long_Float'Digits; Max_Mantissa : constant := 63; Fine_Delta : constant := 2.0 ** (-Max_Mantissa); Tick : constant := 0.01; -- Storage-related Declarations type Address is private; Null_Address : constant Address; Storage_Unit : constant := 8; Word_Size : constant := 32; Memory_Size : constant := 2 ** 32; -- Address comparison function "<" (Left, Right : Address) return Boolean; function "<=" (Left, Right : Address) return Boolean; function ">" (Left, Right : Address) return Boolean; function ">=" (Left, Right : Address) return Boolean; function "=" (Left, Right : Address) return Boolean; pragma Import (Intrinsic, "<"); pragma Import (Intrinsic, "<="); pragma Import (Intrinsic, ">"); pragma Import (Intrinsic, ">="); pragma Import (Intrinsic, "="); -- Other System-Dependent Declarations type Bit_Order is (High_Order_First, Low_Order_First); Default_Bit_Order : constant Bit_Order := High_Order_First; -- Priority-related Declarations (RM D.1) Max_Priority : constant Positive := 30; Max_Interrupt_Priority : constant Positive := 31; subtype Any_Priority is Integer range 0 .. 31; subtype Priority is Any_Priority range 0 .. 30; subtype Interrupt_Priority is Any_Priority range 31 .. 31; Default_Priority : constant Priority := 15; private type Address is mod Memory_Size; Null_Address : constant Address := 0; -------------------------------------- -- System Implementation Parameters -- -------------------------------------- -- These parameters provide information about the target that is used -- by the compiler. They are in the private part of System, where they -- can be accessed using the special circuitry in the Targparm unit -- whose source should be consulted for more detailed descriptions -- of the individual switch values. AAMP : constant Boolean := False; Backend_Divide_Checks : constant Boolean := False; Backend_Overflow_Checks : constant Boolean := False; Command_Line_Args : constant Boolean := True; Compiler_System_Version : constant Boolean := False; Configurable_Run_Time : constant Boolean := False; Denorm : constant Boolean := True; Duration_32_Bits : constant Boolean := False; Exit_Status_Supported : constant Boolean := True; Fractional_Fixed_Ops : constant Boolean := False; Frontend_Layout : constant Boolean := False; Functions_Return_By_DSP : constant Boolean := False; Machine_Overflows : constant Boolean := False; Machine_Rounds : constant Boolean := True; OpenVMS : constant Boolean := False; Preallocated_Stacks : constant Boolean := False; Signed_Zeros : constant Boolean := True; Stack_Check_Default : constant Boolean := False; Stack_Check_Probes : constant Boolean := False; Support_64_Bit_Divides : constant Boolean := True; Support_Aggregates : constant Boolean := True; Support_Composite_Assign : constant Boolean := True; Support_Composite_Compare : constant Boolean := True; Support_Long_Shifts : constant Boolean := True; Suppress_Standard_Library : constant Boolean := False; Use_Ada_Main_Program_Name : constant Boolean := False; ZCX_By_Default : constant Boolean := False; GCC_ZCX_Support : constant Boolean := False; Front_End_ZCX_Support : constant Boolean := False; -- Obsolete entries, to be removed eventually (bootstrap issues!) High_Integrity_Mode : constant Boolean := False; Long_Shifts_Inlined : constant Boolean := True; end System;
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