--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/compsupp/rvct2_0/sftfpini.cpp Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,70 @@
+// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "ARM EABI LICENCE.txt"
+// which accompanies this distribution, and is available
+// in kernel/eka/compsupp.
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#include <e32std.h>
+#include <e32std_private.h>
+
+// support functions for ARM supplied softvfp compiler-helper functions
+
+extern "C" {
+
+//void __rt_fp_status_register_cleanup(TAny * aReg)
+// {
+// delete aReg;
+// }
+
+// set up the fp status register
+EXPORT_C void _fp_init(void)
+ {
+ TUint32 * aReg = (TUint32 *)User::AllocZ(sizeof(TUint32));
+ if (aReg)
+ {
+ Dll::SetTls(aReg /*, __rt_fp_status_register_cleanup*/);
+ }
+ else
+ {
+ // This will force us to try again if we actually get an FP
+ // exception later.
+ Dll::SetTls(0 /*, __rt_fp_status_register_cleanup*/);
+ }
+ }
+
+EXPORT_C TAny * __rt_fp_status_addr(void)
+ {
+ //return &__fp_status_register;
+ TAny* aTls = Dll::Tls();
+ if (aTls)
+ return aTls;
+ // we obviously failed to set it up before. Try again, so we can
+ // at least try to error meaningfully
+ TUint32* aReg = (TUint32*)User::AllocZ(sizeof(TUint32));
+ _LIT(KFpGeneralPanic, "FP Emulator");
+ if (aReg)
+ {
+ TInt r = Dll::SetTls(aReg /*, __rt_fp_status_register_cleanup*/);
+ if (r==KErrNone)
+ return aReg;
+ // if we get here we really in trouble. Just Panic.
+ User::Panic(KFpGeneralPanic, KErrGeneral);
+ }
+ else
+ {
+ // If we get here, we're toast anyway....
+ User::Panic(KFpGeneralPanic, KErrNoMemory);
+ }
+ return 0;
+ }
+}
+