diff -r 000000000000 -r 96e5fb8b040d kerneltest/e32test/debug/t_codemodifier.cia --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/kerneltest/e32test/debug/t_codemodifier.cia Thu Dec 17 09:24:54 2009 +0200 @@ -0,0 +1,73 @@ +// 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 the License "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: +// e32test\debug\t_codemodifier.cia +// See e32test\debug\t_codemodifier.cpp for details +// +// + +#include + +#ifdef __CPU_ARM +const TUint32 KArmBreakPoint = 0xE7F123F4; + + +#define BRK_4() \ + asm(".word %a0" : : "i" ((TInt)KArmBreakPoint)); \ + asm(".word %a0" : : "i" ((TInt)KArmBreakPoint)); \ + asm(".word %a0" : : "i" ((TInt)KArmBreakPoint)); \ + asm(".word %a0" : : "i" ((TInt)KArmBreakPoint)); \ + +#define BRK_16() \ + BRK_4() \ + BRK_4() \ + BRK_4() \ + BRK_4() \ + +#define BRK_64() \ + BRK_16() \ + BRK_16() \ + BRK_16() \ + BRK_16() \ + +#define BRK_256() \ + BRK_64() \ + BRK_64() \ + BRK_64() \ + BRK_64() \ + +#define BRK_1024() \ + BRK_256() \ + BRK_256() \ + BRK_256() \ + BRK_256() \ + +__NAKED__ void CodeArea() + { + //These 1025 breakpoints will go accross page boundaries. + asm(".word %a0" : : "i" ((TInt)KArmBreakPoint)); \ + BRK_1024(); + __JUMP(,lr); + } + +/** +The function will run in the server and is coded to cause panic. +However, it will be altered remotely by the client before it runs. +*/ +__NAKED__ void TestFunc() + { + asm(".word %a0" : : "i" ((TInt)KArmBreakPoint)); //This would panic but it will be replaced by NOP + asm("nop"); + __JUMP(,lr); + } +#endif