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Diffstat (limited to 'gcc/ada/s-tpae65.adb')
| -rw-r--r-- | gcc/ada/s-tpae65.adb | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/gcc/ada/s-tpae65.adb b/gcc/ada/s-tpae65.adb new file mode 100644 index 00000000000..b0438b00fa3 --- /dev/null +++ b/gcc/ada/s-tpae65.adb @@ -0,0 +1,87 @@ +------------------------------------------------------------------------------ +-- -- +-- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS -- +-- -- +-- S Y S T E M . T A S K _ P R I M I T I V E S . A E _ 6 5 3 -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 2002-2003, 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 2, or (at your option) any later ver- -- +-- sion. GNARL 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 GNARL; 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. -- +-- -- +-- GNARL was developed by the GNARL team at Florida State University. -- +-- Extensive contributions were provided by Ada Core Technologies, Inc. -- +-- -- +------------------------------------------------------------------------------ + +-- Export certain tasking-related routines for use by Interfaces.Vthreads + +with Interfaces.C; +package body System.Task_Primitives.Ae_653 is + + ------------------- + -- ATCB_Key_Addr -- + ------------------- + + function ATCB_Key_Addr return Address_Access is + Key_Addr : Address_Access; + pragma Import (Ada, Key_Addr, "__gnat_ATCB_key_addr"); + -- Done this way to minimize impact on other targets. This + -- implementation is temporary, and specific to AE653 + begin + return Key_Addr; + end ATCB_Key_Addr; + + -------------------------- + -- Set_Current_Priority -- + -------------------------- + + procedure Set_Current_Priority + (T : System.Tasking.Task_ID; + Prio : System.Priority) + is + begin + T.Common.Current_Priority := Prio; + end Set_Current_Priority; + + --------------------- + -- Set_Task_Thread -- + --------------------- + + procedure Set_Task_Thread + (T : System.Tasking.Task_ID; + Thread : System.OS_Interface.Thread_Id) + is + use System.OS_Interface; + use System.Tasking; + use type Interfaces.C.int; + Result : STATUS; + begin + T.Common.LL.Thread := Thread; + if taskVarGet (Thread, ATCB_Key_Addr) = ERROR then + Result := taskVarAdd (Thread, ATCB_Key_Addr); + pragma Assert (Result = OK); + end if; + + Result := taskVarSet (Thread, ATCB_Key_Addr, To_Address (T)); + pragma Assert (Result = OK); + end Set_Task_Thread; + +end System.Task_Primitives.Ae_653; |