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