From f378ebf14df0952eae870c9865bab8326aa8f137 Mon Sep 17 00:00:00 2001 From: Dan Albert Date: Wed, 17 Jun 2015 11:09:54 -0700 Subject: Delete old versions of GCC. Change-Id: I710f125d905290e1024cbd67f48299861790c66c --- gcc-4.4.0/gcc/ada/s-osprim-mingw.adb | 301 ----------------------------------- 1 file changed, 301 deletions(-) delete mode 100644 gcc-4.4.0/gcc/ada/s-osprim-mingw.adb (limited to 'gcc-4.4.0/gcc/ada/s-osprim-mingw.adb') diff --git a/gcc-4.4.0/gcc/ada/s-osprim-mingw.adb b/gcc-4.4.0/gcc/ada/s-osprim-mingw.adb deleted file mode 100644 index 8285271eb..000000000 --- a/gcc-4.4.0/gcc/ada/s-osprim-mingw.adb +++ /dev/null @@ -1,301 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- --- -- --- S Y S T E M . O S _ P R I M I T I V E S -- --- -- --- B o d y -- --- -- --- Copyright (C) 1998-2009, Free Software Foundation, Inc. -- --- -- --- GNARL 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 -- --- . -- --- -- --- GNARL was developed by the GNARL team at Florida State University. -- --- Extensive contributions were provided by Ada Core Technologies, Inc. -- --- -- ------------------------------------------------------------------------------- - --- This is the NT version of this package - -with System.Win32.Ext; - -package body System.OS_Primitives is - - use System.Win32; - use System.Win32.Ext; - - ---------------------------------------- - -- Data for the high resolution clock -- - ---------------------------------------- - - -- Declare some pointers to access multi-word data above. This is needed - -- to workaround a limitation in the GNU/Linker auto-import feature used - -- to build the GNAT runtime DLLs. In fact the Clock and Monotonic_Clock - -- routines are inlined and they are using some multi-word variables. - -- GNU/Linker will fail to auto-import those variables when building - -- libgnarl.dll. The indirection level introduced here has no measurable - -- penalties. - - -- Note that access variables below must not be declared as constant - -- otherwise the compiler optimization will remove this indirect access. - - type DA is access all Duration; - -- Use to have indirect access to multi-word variables - - type LIA is access all LARGE_INTEGER; - -- Use to have indirect access to multi-word variables - - type LLIA is access all Long_Long_Integer; - -- Use to have indirect access to multi-word variables - - Tick_Frequency : aliased LARGE_INTEGER; - TFA : constant LIA := Tick_Frequency'Access; - -- Holds frequency of high-performance counter used by Clock - -- Windows NT uses a 1_193_182 Hz counter on PCs. - - Base_Ticks : aliased LARGE_INTEGER; - BTA : constant LIA := Base_Ticks'Access; - -- Holds the Tick count for the base time - - Base_Monotonic_Ticks : aliased LARGE_INTEGER; - BMTA : constant LIA := Base_Monotonic_Ticks'Access; - -- Holds the Tick count for the base monotonic time - - Base_Clock : aliased Duration; - BCA : constant DA := Base_Clock'Access; - -- Holds the current clock for the standard clock's base time - - Base_Monotonic_Clock : aliased Duration; - BMCA : constant DA := Base_Monotonic_Clock'Access; - -- Holds the current clock for monotonic clock's base time - - Base_Time : aliased Long_Long_Integer; - BTiA : constant LLIA := Base_Time'Access; - -- Holds the base time used to check for system time change, used with - -- the standard clock. - - procedure Get_Base_Time; - -- Retrieve the base time and base ticks. These values will be used by - -- clock to compute the current time by adding to it a fraction of the - -- performance counter. This is for the implementation of a - -- high-resolution clock. Note that this routine does not change the base - -- monotonic values used by the monotonic clock. - - ----------- - -- Clock -- - ----------- - - -- This implementation of clock provides high resolution timer values - -- using QueryPerformanceCounter. This call return a 64 bits values (based - -- on the 8253 16 bits counter). This counter is updated every 1/1_193_182 - -- times per seconds. The call to QueryPerformanceCounter takes 6 - -- microsecs to complete. - - function Clock return Duration is - Max_Shift : constant Duration := 2.0; - Hundreds_Nano_In_Sec : constant Long_Long_Float := 1.0E7; - Current_Ticks : aliased LARGE_INTEGER; - Elap_Secs_Tick : Duration; - Elap_Secs_Sys : Duration; - Now : aliased Long_Long_Integer; - - begin - if QueryPerformanceCounter (Current_Ticks'Access) = Win32.FALSE then - return 0.0; - end if; - - GetSystemTimeAsFileTime (Now'Access); - - Elap_Secs_Sys := - Duration (Long_Long_Float (abs (Now - BTiA.all)) / - Hundreds_Nano_In_Sec); - - Elap_Secs_Tick := - Duration (Long_Long_Float (Current_Ticks - BTA.all) / - Long_Long_Float (TFA.all)); - - -- If we have a shift of more than Max_Shift seconds we resynchronize - -- the Clock. This is probably due to a manual Clock adjustment, an - -- DST adjustment or an NTP synchronisation. And we want to adjust the - -- time for this system (non-monotonic) clock. - - if abs (Elap_Secs_Sys - Elap_Secs_Tick) > Max_Shift then - Get_Base_Time; - - Elap_Secs_Tick := - Duration (Long_Long_Float (Current_Ticks - BTA.all) / - Long_Long_Float (TFA.all)); - end if; - - return BCA.all + Elap_Secs_Tick; - end Clock; - - ------------------- - -- Get_Base_Time -- - ------------------- - - procedure Get_Base_Time is - - -- The resolution for GetSystemTime is 1 millisecond - - -- The time to get both base times should take less than 1 millisecond. - -- Therefore, the elapsed time reported by GetSystemTime between both - -- actions should be null. - - Max_Elapsed : constant := 0; - - Test_Now : aliased Long_Long_Integer; - - epoch_1970 : constant := 16#19D_B1DE_D53E_8000#; -- win32 UTC epoch - system_time_ns : constant := 100; -- 100 ns per tick - Sec_Unit : constant := 10#1#E9; - - begin - -- Here we must be sure that both of these calls are done in a short - -- amount of time. Both are base time and should in theory be taken - -- at the very same time. - - loop - GetSystemTimeAsFileTime (Base_Time'Access); - - if QueryPerformanceCounter (Base_Ticks'Access) = Win32.FALSE then - pragma Assert - (Standard.False, - "Could not query high performance counter in Clock"); - null; - end if; - - GetSystemTimeAsFileTime (Test_Now'Access); - - exit when Test_Now - Base_Time = Max_Elapsed; - end loop; - - Base_Clock := Duration - (Long_Long_Float ((Base_Time - epoch_1970) * system_time_ns) / - Long_Long_Float (Sec_Unit)); - end Get_Base_Time; - - --------------------- - -- Monotonic_Clock -- - --------------------- - - function Monotonic_Clock return Duration is - Current_Ticks : aliased LARGE_INTEGER; - Elap_Secs_Tick : Duration; - - begin - if QueryPerformanceCounter (Current_Ticks'Access) = Win32.FALSE then - return 0.0; - end if; - - Elap_Secs_Tick := - Duration (Long_Long_Float (Current_Ticks - BMTA.all) / - Long_Long_Float (TFA.all)); - - return BMCA.all + Elap_Secs_Tick; - end Monotonic_Clock; - - ----------------- - -- Timed_Delay -- - ----------------- - - procedure Timed_Delay (Time : Duration; Mode : Integer) is - - function Mode_Clock return Duration; - pragma Inline (Mode_Clock); - -- Return the current clock value using either the monotonic clock or - -- standard clock depending on the Mode value. - - ---------------- - -- Mode_Clock -- - ---------------- - - function Mode_Clock return Duration is - begin - case Mode is - when Absolute_RT => - return Monotonic_Clock; - when others => - return Clock; - end case; - end Mode_Clock; - - -- Local Variables - - Base_Time : constant Duration := Mode_Clock; - -- Base_Time is used to detect clock set backward, in this case we - -- cannot ensure the delay accuracy. - - Rel_Time : Duration; - Abs_Time : Duration; - Check_Time : Duration := Base_Time; - - -- Start of processing for Timed Delay - - begin - if Mode = Relative then - Rel_Time := Time; - Abs_Time := Time + Check_Time; - else - Rel_Time := Time - Check_Time; - Abs_Time := Time; - end if; - - if Rel_Time > 0.0 then - loop - Sleep (DWORD (Rel_Time * 1000.0)); - Check_Time := Mode_Clock; - - exit when Abs_Time <= Check_Time or else Check_Time < Base_Time; - - Rel_Time := Abs_Time - Check_Time; - end loop; - end if; - end Timed_Delay; - - ---------------- - -- Initialize -- - ---------------- - - Initialized : Boolean := False; - - procedure Initialize is - begin - if Initialized then - return; - end if; - - Initialized := True; - - -- Get starting time as base - - if QueryPerformanceFrequency (Tick_Frequency'Access) = Win32.FALSE then - raise Program_Error with - "cannot get high performance counter frequency"; - end if; - - Get_Base_Time; - - -- Keep base clock and ticks for the monotonic clock. These values - -- should never be changed to ensure proper behavior of the monotonic - -- clock. - - Base_Monotonic_Clock := Base_Clock; - Base_Monotonic_Ticks := Base_Ticks; - end Initialize; - -end System.OS_Primitives; -- cgit v1.2.3