kernel/eka/compsupp/rvct2_1/aeabimem.cia
changeset 43 96e5fb8b040d
child 44 36bfc973b146
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/compsupp/rvct2_1/aeabimem.cia	Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,68 @@
+/*
+* Copyright (c) 2005-2009 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: 
+*
+*/
+
+
+#include <e32cmn.h>
+
+// Call our implementations of memcpy/move/set/clr rather than the ARM supplied
+// ones.
+// 
+// Note that the AEABI switched the order of arg2 and arg3 to save an intruction
+// when calling 'memset' from 'memclr'.
+//
+// Prototypes are:
+//   void __aeabi_memset8(TAny* aTrg, unsigned int aLength, TInt aValue);
+//   void __aeabi_memset4(TAny* aTrg, unsigned int aLength, TInt aValue);
+//   void __aeabi_memset(TAny* aTrg, unsigned int aLength, TInt aValue);
+
+extern "C" __NAKED__ void make_mem_functions_call_euser_versions()
+	{
+	asm(".global __aeabi_memset8  ");
+	asm("__aeabi_memset8: 		  ");
+	asm(".global __aeabi_memset4  ");
+	asm("__aeabi_memset4: 		  ");
+	asm(".global __aeabi_memset   ");
+	asm("__aeabi_memset: 		  ");
+	asm("	mov		r3, r1		  ");
+	asm("	mov		r1, r2		  ");
+	asm("	mov		r2, r3		  ");
+	asm("	b		memset		  ");
+
+	asm(".global __aeabi_memclr8  ");
+	asm("__aeabi_memclr8: 		  ");
+	asm(".global __aeabi_memclr4  ");
+	asm("__aeabi_memclr4: 		  ");
+	asm(".global __aeabi_memclr   ");
+	asm("__aeabi_memclr: 		  ");
+	asm("	b		memclr		  ");
+	
+	asm(".global __aeabi_memcpy8  ");
+	asm("__aeabi_memcpy8: 		  ");
+	asm(".global __aeabi_memcpy4  ");
+	asm("__aeabi_memcpy4: 		  ");
+	asm(".global __aeabi_memcpy   ");
+	asm("__aeabi_memcpy: 		  ");
+	asm("	b		memcpy		  ");
+	
+	asm(".global __aeabi_memmove8 ");
+	asm("__aeabi_memmove8: 		  ");
+	asm(".global __aeabi_memmove4 ");
+	asm("__aeabi_memmove4: 		  ");
+	asm(".global __aeabi_memmove  ");
+	asm("__aeabi_memmove: 		  ");
+	asm("	b		memmove		  ");
+	}