kernel/eka/compsupp/rvct3_1/aeabimem.cia
changeset 43 96e5fb8b040d
child 44 36bfc973b146
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/compsupp/rvct3_1/aeabimem.cia	Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,70 @@
+/*
+* 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 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 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 ");
+        }