sl@0: // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32test\debug\t_codemodifier.cia
sl@0: // See e32test\debug\t_codemodifier.cpp for details
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include <u32std.h>
sl@0: 
sl@0: #ifdef __CPU_ARM
sl@0: const TUint32 KArmBreakPoint = 0xE7F123F4;
sl@0: 
sl@0: 
sl@0: #define BRK_4()	\
sl@0: 	asm(".word %a0" : : "i" ((TInt)KArmBreakPoint)); \
sl@0: 	asm(".word %a0" : : "i" ((TInt)KArmBreakPoint)); \
sl@0: 	asm(".word %a0" : : "i" ((TInt)KArmBreakPoint)); \
sl@0: 	asm(".word %a0" : : "i" ((TInt)KArmBreakPoint)); \
sl@0: 
sl@0: #define BRK_16()	\
sl@0: 	BRK_4()	\
sl@0: 	BRK_4()	\
sl@0: 	BRK_4()	\
sl@0: 	BRK_4()	\
sl@0: 
sl@0: #define BRK_64()	\
sl@0: 	BRK_16()	\
sl@0: 	BRK_16()	\
sl@0: 	BRK_16()	\
sl@0: 	BRK_16()	\
sl@0: 
sl@0: #define BRK_256()	\
sl@0: 	BRK_64()	\
sl@0: 	BRK_64()	\
sl@0: 	BRK_64()	\
sl@0: 	BRK_64()	\
sl@0: 
sl@0: #define BRK_1024()	\
sl@0: 	BRK_256()	\
sl@0: 	BRK_256()	\
sl@0: 	BRK_256()	\
sl@0: 	BRK_256()	\
sl@0: 
sl@0: __NAKED__ void CodeArea()
sl@0: 	{
sl@0: 	//These 1025 breakpoints will go accross page boundaries.
sl@0: 	asm(".word %a0" : : "i" ((TInt)KArmBreakPoint)); \
sl@0: 	BRK_1024();
sl@0: 	__JUMP(,lr);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: The function will run in the server and is coded to cause panic.
sl@0: However, it will be altered remotely by the client before it runs.
sl@0: */
sl@0: __NAKED__ void TestFunc()
sl@0: 	{
sl@0: 	asm(".word %a0" : : "i" ((TInt)KArmBreakPoint)); //This would panic but it will be replaced by NOP
sl@0: 	asm("nop");
sl@0: 	__JUMP(,lr);
sl@0: 	}
sl@0: #endif