kernel/eka/compsupp/rvct/aeabimem.cpp
changeset 0 a41df078684a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/compsupp/rvct/aeabimem.cpp	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,77 @@
+// 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 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:
+// This file is part of drtaeabi.dll.
+// 
+//
+
+#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 instruction
+// 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" __asm void make_mem_functions_call_euser_versions()
+	{
+	CODE32
+
+	IMPORT memset  [DYNAMIC]
+	IMPORT memclr  [DYNAMIC]
+	IMPORT memcpy  [DYNAMIC]
+	IMPORT memmove [DYNAMIC]
+
+	EXPORT __aeabi_memset   [DYNAMIC]
+	EXPORT __aeabi_memset4  [DYNAMIC]
+	EXPORT __aeabi_memset8  [DYNAMIC]
+	EXPORT __aeabi_memclr   [DYNAMIC]
+	EXPORT __aeabi_memclr4  [DYNAMIC]
+	EXPORT __aeabi_memclr8  [DYNAMIC]
+	EXPORT __aeabi_memcpy   [DYNAMIC]
+	EXPORT __aeabi_memcpy4  [DYNAMIC]
+	EXPORT __aeabi_memcpy8  [DYNAMIC]
+	EXPORT __aeabi_memmove  [DYNAMIC]
+	EXPORT __aeabi_memmove4 [DYNAMIC]
+	EXPORT __aeabi_memmove8 [DYNAMIC]
+
+__aeabi_memset
+__aeabi_memset4
+__aeabi_memset8
+	mov r3, r1
+	mov r1, r2
+	mov r2, r3
+	b memset
+
+__aeabi_memclr8
+__aeabi_memclr4
+__aeabi_memclr
+	b memclr
+
+__aeabi_memcpy8
+__aeabi_memcpy4
+__aeabi_memcpy
+	b memcpy
+
+__aeabi_memmove8
+__aeabi_memmove4
+__aeabi_memmove
+	b memmove
+	}
+