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Diffstat (limited to 'gcc/ada/s-thread.adb')
| -rw-r--r-- | gcc/ada/s-thread.adb | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/gcc/ada/s-thread.adb b/gcc/ada/s-thread.adb new file mode 100644 index 00000000000..0f3a90c1a08 --- /dev/null +++ b/gcc/ada/s-thread.adb @@ -0,0 +1,101 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- S Y S T E M . T H R E A D S -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 1992-2003 Free Software Foundation, Inc. -- +-- -- +-- 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, 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. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +-- This is the VxWorks/Cert version of this package + +with Unchecked_Conversion; + +package body System.Threads is + + Current_ATSD : aliased System.Address := System.Null_Address; + pragma Export (C, Current_ATSD, "__gnat_current_atsd"); + + function From_Address is + new Unchecked_Conversion (Address, ATSD_Access); + + ----------------------- + -- Get_Current_Excep -- + ----------------------- + + function Get_Current_Excep return EOA is + CTSD : ATSD_Access := From_Address (Current_ATSD); + begin + pragma Assert (Current_ATSD /= System.Null_Address); + return CTSD.Current_Excep'Access; + end Get_Current_Excep; + + ------------------------ + -- Get_Jmpbuf_Address -- + ------------------------ + + function Get_Jmpbuf_Address return Address is + CTSD : ATSD_Access := From_Address (Current_ATSD); + begin + pragma Assert (Current_ATSD /= System.Null_Address); + return CTSD.Jmpbuf_Address; + end Get_Jmpbuf_Address; + + ------------------------ + -- Get_Sec_Stack_Addr -- + ------------------------ + + function Get_Sec_Stack_Addr return Address is + CTSD : ATSD_Access := From_Address (Current_ATSD); + begin + pragma Assert (Current_ATSD /= System.Null_Address); + return CTSD.Sec_Stack_Addr; + end Get_Sec_Stack_Addr; + + ------------------------ + -- Set_Jmpbuf_Address -- + ------------------------ + + procedure Set_Jmpbuf_Address (Addr : Address) is + CTSD : ATSD_Access := From_Address (Current_ATSD); + begin + pragma Assert (Current_ATSD /= System.Null_Address); + CTSD.Jmpbuf_Address := Addr; + end Set_Jmpbuf_Address; + + ------------------------ + -- Set_Sec_Stack_Addr -- + ------------------------ + + procedure Set_Sec_Stack_Addr (Addr : Address) is + CTSD : ATSD_Access := From_Address (Current_ATSD); + begin + pragma Assert (Current_ATSD /= System.Null_Address); + CTSD.Sec_Stack_Addr := Addr; + end Set_Sec_Stack_Addr; + +end System.Threads; |