kernel/eka/compsupp/rvct3_1/sftfpini.cpp
changeset 43 96e5fb8b040d
child 44 36bfc973b146
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/compsupp/rvct3_1/sftfpini.cpp	Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,63 @@
+/*
+* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+* This file is part of drtrvct.dll and drtrvct_vfpv2.dll.
+*
+*/
+
+
+#include <e32std.h>
+#include <e32std_private.h>
+
+
+extern "C" {
+  
+EXPORT_C  void _fp_init() 
+    {
+    }
+  
+EXPORT_C TAny * __rt_fp_status_addr() 
+    { 
+    TAny* aTls = Dll::Tls();
+
+    if (aTls)
+        return aTls;
+
+    // If this is the first time we are called we need to set up some TLS for
+    // the FP status word.
+
+    TUint32* aReg = (TUint32*)User::AllocZ(sizeof(TUint32));
+
+    _LIT(KFpGeneralPanic, "FP Emulator");
+
+    if (aReg) 
+        {
+        TInt r = Dll::SetTls(aReg);
+        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;
+    }
+
+}
+