164e06c6c1
2011-08-29 Robert Dewar <dewar@adacore.com> * exp_ch5.adb, sinfo.ads, make.adb, s-pooglo.adb, sem_ch12.adb, freeze.adb, sem_ch6.adb, par-ch12.adb: Minor reformatting. 2011-08-29 Tristan Gingold <gingold@adacore.com> * system-darwin-x86.ads, system-linux-s390x.ads, system-linux-alpha.ads, system-tru64.ads, system-irix-n32.ads, system-vxworks-arm.ads, system-linux-hppa.ads, system-linux-s390.ads, system-solaris-sparcv9.ads, system-mingw.ads, system-linux-ia64.ads, system-vms_64.ads, system-vxworks-sparcv9.ads, system-linux-ppc.ads, system-aix64.ads, system-lynxos-ppc.ads, system-linux-sh4.ads, system-solaris-x86.ads, system-linux-x86_64.ads, system-linux-x86.ads, system-vxworks-ppc.ads, system-hpux.ads, system-darwin-ppc.ads, system-solaris-sparc.ads, system-lynxos-x86.ads, system-vxworks-m68k.ads, system-hpux-ia64.ads, system-irix-o32.ads, system-solaris-x86_64.ads, system-mingw-x86_64.ads, system-vxworks-mips.ads, system-linux-sparc.ads, system-vms-ia64.ads, system-freebsd-x86.ads, system-aix.ads, system-darwin-x86_64.ads, system-vxworks-x86.ads: Remove GCC_ZCX_Support * s-taprop-posix.adb, s-taprop-irix.adb, s-taprop-vxworks.adb, s-taprop-tru64.adb, s-taprop-linux.adb, s-taprop-solaris.adb: Ditto. * opt.ads: Adjust comment. * targparm.ads, targparm.adb: Remove GCC_ZCX_Support_On_Target. * gnat1drv.adb: Do not check for GCC_ZCX_Support_On_Target. * system.ads: Move GCC_ZCX_Support to obsolete entries. 2011-08-29 Emmanuel Briot <briot@adacore.com> * makeutl.adb (Do_Complete): Resolve symbolic links when a relative file name is specified on the gnatmake or gprbuild command line, and before we search for that file in the project. 2011-08-29 Ed Schonberg <schonberg@adacore.com> * sem_type.adb (Within_Instance): New predicate in Collect_Interps, used to determine whether a possible interpretation for an overloadable entity is declared within the current instantiation and should be included in the candidate set. 2011-08-29 Vasiliy Fofanov <fofanov@adacore.com> * gnat_rm.texi, gnat_ugn.texi: Clean ups. From-SVN: r178186
158 lines
7.5 KiB
Ada
158 lines
7.5 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- S Y S T E M --
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-- --
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-- S p e c --
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-- (SGI Irix, n32 ABI) --
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-- --
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-- Copyright (C) 1992-2011, Free Software Foundation, Inc. --
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-- --
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-- This specification is derived from the Ada Reference Manual for use with --
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-- GNAT. The copyright notice above, and the license provisions that follow --
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-- apply solely to the contents of the part following the private keyword. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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package System is
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pragma Pure;
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-- Note that we take advantage of the implementation permission to make
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-- this unit Pure instead of Preelaborable; see RM 13.7.1(15). In Ada
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-- 2005, this is Pure in any case (AI-362).
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type Name is (SYSTEM_NAME_GNAT);
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System_Name : constant Name := SYSTEM_NAME_GNAT;
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-- System-Dependent Named Numbers
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Min_Int : constant := Long_Long_Integer'First;
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Max_Int : constant := Long_Long_Integer'Last;
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Max_Binary_Modulus : constant := 2 ** Long_Long_Integer'Size;
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Max_Nonbinary_Modulus : constant := 2 ** Integer'Size - 1;
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Max_Base_Digits : constant := Long_Long_Float'Digits;
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Max_Digits : constant := Long_Long_Float'Digits;
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Max_Mantissa : constant := 63;
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Fine_Delta : constant := 2.0 ** (-Max_Mantissa);
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Tick : constant := 0.01;
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-- Storage-related Declarations
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type Address is private;
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pragma Preelaborable_Initialization (Address);
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Null_Address : constant Address;
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Storage_Unit : constant := 8;
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Word_Size : constant := 64;
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Memory_Size : constant := 2 ** 32;
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-- Address comparison
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function "<" (Left, Right : Address) return Boolean;
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function "<=" (Left, Right : Address) return Boolean;
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function ">" (Left, Right : Address) return Boolean;
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function ">=" (Left, Right : Address) return Boolean;
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function "=" (Left, Right : Address) return Boolean;
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pragma Import (Intrinsic, "<");
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pragma Import (Intrinsic, "<=");
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pragma Import (Intrinsic, ">");
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pragma Import (Intrinsic, ">=");
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pragma Import (Intrinsic, "=");
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-- Other System-Dependent Declarations
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type Bit_Order is (High_Order_First, Low_Order_First);
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Default_Bit_Order : constant Bit_Order := High_Order_First;
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pragma Warnings (Off, Default_Bit_Order); -- kill constant condition warning
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-- Priority-related Declarations (RM D.1)
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-- IRIX priorities as defined by realtime(5):
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--
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-- 255 is for system-level interrupts
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-- 240 - 254 are suggested for hard real-time threads
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-- 200 - 239 are used by system device driver interrupt threads
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-- 110 - 199 are suggested for interactive real-time applications
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-- 90 - 109 are used by system daemon threads
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-- 0 - 89 are suggested for soft real-time applications
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--
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-- We don't express the full range of IRIX priorities. For now, we
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-- handle only the subset for soft real-time applications.
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Max_Priority : constant Positive := 88;
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Max_Interrupt_Priority : constant Positive := 89;
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subtype Any_Priority is Integer range 0 .. 89;
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subtype Priority is Any_Priority range 0 .. 88;
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subtype Interrupt_Priority is Any_Priority range 89 .. 89;
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Default_Priority : constant Priority := 44;
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private
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type Address is mod Memory_Size;
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Null_Address : constant Address := 0;
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--------------------------------------
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-- System Implementation Parameters --
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--------------------------------------
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-- These parameters provide information about the target that is used
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-- by the compiler. They are in the private part of System, where they
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-- can be accessed using the special circuitry in the Targparm unit
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-- whose source should be consulted for more detailed descriptions
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-- of the individual switch values.
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Backend_Divide_Checks : constant Boolean := False;
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Backend_Overflow_Checks : constant Boolean := True;
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Command_Line_Args : constant Boolean := True;
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Configurable_Run_Time : constant Boolean := False;
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Denorm : constant Boolean := False;
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Duration_32_Bits : constant Boolean := False;
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Exit_Status_Supported : constant Boolean := True;
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Fractional_Fixed_Ops : constant Boolean := False;
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Frontend_Layout : constant Boolean := False;
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Machine_Overflows : constant Boolean := False;
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Machine_Rounds : constant Boolean := True;
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Preallocated_Stacks : constant Boolean := False;
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Signed_Zeros : constant Boolean := True;
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Stack_Check_Default : constant Boolean := False;
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Stack_Check_Probes : constant Boolean := True;
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Stack_Check_Limits : constant Boolean := False;
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Support_Aggregates : constant Boolean := True;
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Support_Composite_Assign : constant Boolean := True;
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Support_Composite_Compare : constant Boolean := True;
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Support_Long_Shifts : constant Boolean := True;
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Always_Compatible_Rep : constant Boolean := True;
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Suppress_Standard_Library : constant Boolean := False;
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Use_Ada_Main_Program_Name : constant Boolean := False;
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ZCX_By_Default : constant Boolean := True;
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-- Note: Denorm is False because denormals are not supported on the
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-- R10000, and we want the code to be valid for this processor.
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end System;
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