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Diffstat (limited to 'gcc/ada/system-tru64.ads')
| -rw-r--r-- | gcc/ada/system-tru64.ads | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/gcc/ada/system-tru64.ads b/gcc/ada/system-tru64.ads deleted file mode 100644 index 43facc7465f..00000000000 --- a/gcc/ada/system-tru64.ads +++ /dev/null @@ -1,214 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME COMPONENTS -- --- -- --- S Y S T E M -- --- -- --- S p e c -- --- (DEC Unix Version) -- --- -- --- Copyright (C) 1992-2011, 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 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. -- --- -- ------------------------------------------------------------------------------- - -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 := 2 ** Integer'Size - 1; - - 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 := 1.0 / 1024.0; - - -- Storage-related Declarations - - type Address is private; - pragma Preelaborable_Initialization (Address); - Null_Address : constant Address; - - Storage_Unit : constant := 8; - Word_Size : constant := 64; - Memory_Size : constant := 2 ** 64; - - -- 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 := Low_Order_First; - pragma Warnings (Off, Default_Bit_Order); -- kill constant condition warning - - -- Priority-related Declarations (RM D.1) - - Max_Priority : constant Positive := 60; - Max_Interrupt_Priority : constant Positive := 63; - - subtype Any_Priority is Integer range 0 .. 63; - subtype Priority is Any_Priority range 0 .. 60; - subtype Interrupt_Priority is Any_Priority range 61 .. 63; - - Default_Priority : constant Priority := 30; - -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. - - Backend_Divide_Checks : constant Boolean := False; - Backend_Overflow_Checks : constant Boolean := True; - Command_Line_Args : constant Boolean := True; - Configurable_Run_Time : constant Boolean := False; - Denorm : constant Boolean := False; - Duration_32_Bits : constant Boolean := False; - Exit_Status_Supported : constant Boolean := True; - Fractional_Fixed_Ops : constant Boolean := False; - Frontend_Layout : constant Boolean := False; - Machine_Overflows : constant Boolean := False; - Machine_Rounds : constant Boolean := True; - Preallocated_Stacks : constant Boolean := False; - Signed_Zeros : constant Boolean := True; - Stack_Check_Default : constant Boolean := True; - Stack_Check_Probes : constant Boolean := True; - Stack_Check_Limits : constant Boolean := False; - Support_Aggregates : constant Boolean := True; - Support_Composite_Assign : constant Boolean := True; - Support_Composite_Compare : constant Boolean := True; - Support_Long_Shifts : constant Boolean := True; - Always_Compatible_Rep : constant Boolean := True; - Suppress_Standard_Library : constant Boolean := False; - Use_Ada_Main_Program_Name : constant Boolean := False; - ZCX_By_Default : constant Boolean := True; - - -- Note: Denorm is False because denormals are only handled properly - -- if the -mieee switch is set, and we do not require this usage. - - --------------------------- - -- Underlying Priorities -- - --------------------------- - - -- Important note: this section of the file must come AFTER the - -- definition of the system implementation parameters to ensure - -- that the value of these parameters is available for analysis - -- of the declarations here (using Rtsfind at compile time). - - -- The underlying priorities table provides a generalized mechanism - -- for mapping from Ada priorities to system priorities. In some - -- cases a 1-1 mapping is not the convenient or optimal choice. - - -- For Dec Unix 4.0d, we use a default 1-to-1 mapping that provides - -- the full range of 64 priorities available from the operating system. - - -- On DU prior to 4.0d, less than 64 priorities are available so there - -- are two possibilities: - - -- Limit your range of priorities to the range provided by the - -- OS (e.g 16 .. 32 on 4.0b) - - -- Replace the standard table as described below - - -- To replace the default values of the Underlying_Priorities mapping, - -- copy this source file into your build directory, edit the file to - -- reflect your desired behavior, and recompile with the command: - - -- $ gcc -c -O3 -gnatpgn system.ads - - -- then recompile the run-time parts that depend on this package: - - -- $ gnatmake -a -gnatn -O3 <your application> - - -- then force rebuilding your application if you need different options: - - -- $ gnatmake -f <your options> <your application> - - type Priorities_Mapping is array (Any_Priority) of Integer; - pragma Suppress_Initialization (Priorities_Mapping); - -- Suppress initialization in case gnat.adc specifies Normalize_Scalars - - Underlying_Priorities : constant Priorities_Mapping := - - (Priority'First => 0, - - 1 => 1, 2 => 2, 3 => 3, 4 => 4, 5 => 5, - 6 => 6, 7 => 7, 8 => 8, 9 => 9, 10 => 10, - 11 => 11, 12 => 12, 13 => 13, 14 => 14, 15 => 15, - 16 => 16, 17 => 17, 18 => 18, 19 => 19, 20 => 20, - 21 => 21, 22 => 22, 23 => 23, 24 => 24, 25 => 25, - 26 => 26, 27 => 27, 28 => 28, 29 => 29, - - Default_Priority => 30, - - 31 => 31, 32 => 32, 33 => 33, 34 => 34, 35 => 35, - 36 => 36, 37 => 37, 38 => 38, 39 => 39, 40 => 40, - 41 => 41, 42 => 42, 43 => 43, 44 => 44, 45 => 45, - 46 => 46, 47 => 47, 48 => 48, 49 => 49, 50 => 50, - 51 => 51, 52 => 52, 53 => 53, 54 => 54, 55 => 55, - 56 => 56, 57 => 57, 58 => 58, 59 => 59, - - Priority'Last => 60, - - 61 => 61, 62 => 62, - - Interrupt_Priority'Last => 63); - -end System; |