kernel/eka/compsupp/rvct/aeabimem.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 18 Jan 2010 21:31:10 +0200
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// Copyright (c) 2008-2009 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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// This file is part of drtaeabi.dll.
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// 
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//
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#include <e32cmn.h>
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// Call our implementations of memcpy/move/set/clr rather than the ARM supplied
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// ones.
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// 
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// Note that the AEABI switched the order of arg2 and arg3 to save an instruction
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// when calling 'memset' from 'memclr'.
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//
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// Prototypes are:
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//   void __aeabi_memset8(TAny* aTrg, unsigned int aLength, TInt aValue);
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//   void __aeabi_memset4(TAny* aTrg, unsigned int aLength, TInt aValue);
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//   void __aeabi_memset(TAny* aTrg, unsigned int aLength, TInt aValue);
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extern "C" __asm void make_mem_functions_call_euser_versions()
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	{
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	CODE32
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	IMPORT memset  [DYNAMIC]
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	IMPORT memclr  [DYNAMIC]
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	IMPORT memcpy  [DYNAMIC]
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	IMPORT memmove [DYNAMIC]
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	EXPORT __aeabi_memset   [DYNAMIC]
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	EXPORT __aeabi_memset4  [DYNAMIC]
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	EXPORT __aeabi_memset8  [DYNAMIC]
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	EXPORT __aeabi_memclr   [DYNAMIC]
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	EXPORT __aeabi_memclr4  [DYNAMIC]
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	EXPORT __aeabi_memclr8  [DYNAMIC]
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	EXPORT __aeabi_memcpy   [DYNAMIC]
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	EXPORT __aeabi_memcpy4  [DYNAMIC]
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	EXPORT __aeabi_memcpy8  [DYNAMIC]
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	EXPORT __aeabi_memmove  [DYNAMIC]
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	EXPORT __aeabi_memmove4 [DYNAMIC]
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	EXPORT __aeabi_memmove8 [DYNAMIC]
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__aeabi_memset
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__aeabi_memset4
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__aeabi_memset8
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	mov r3, r1
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	mov r1, r2
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	mov r2, r3
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	b memset
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__aeabi_memclr8
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__aeabi_memclr4
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__aeabi_memclr
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	b memclr
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__aeabi_memcpy8
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__aeabi_memcpy4
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__aeabi_memcpy
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	b memcpy
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__aeabi_memmove8
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__aeabi_memmove4
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__aeabi_memmove
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	b memmove
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	}
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