1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/kernelhwsrv/kerneltest/e32test/misc/exc.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,125 @@
     1.4 +// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of the License "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// e32test\misc\exc.cpp
    1.18 +// Utility generating various kinds of exceptions.  Useful to test
    1.19 +// debuggers.
    1.20 +// 
    1.21 +//
    1.22 +
    1.23 +#include <e32std.h>
    1.24 +#include <e32std_private.h>
    1.25 +
    1.26 +void InfiniteRecursion()
    1.27 +	{
    1.28 +	InfiniteRecursion();
    1.29 +	}
    1.30 +
    1.31 +#ifdef __ARMCC__
    1.32 +#pragma Ono_inline // prevent compile time errors
    1.33 +#endif
    1.34 +void Store42(TInt*& p)
    1.35 +	{
    1.36 +	*p = 42;
    1.37 +	}
    1.38 +
    1.39 +void Foo()
    1.40 +	{
    1.41 +	// uninitialised pointer on stack - may not crash
    1.42 +	TInt* p;
    1.43 +	Store42(p);
    1.44 +	}
    1.45 +void Foo1(TUint8 *ps)
    1.46 +        {	
    1.47 +	TInt32* p = (TInt32*)ps;
    1.48 +	*p = 0x42;
    1.49 +	}
    1.50 +void Foo2(TUint8 *ps)
    1.51 +        {	
    1.52 +	TInt16* p = (TInt16*)ps;
    1.53 +	*p = 0x42;
    1.54 +	}
    1.55 +
    1.56 +TInt E32Main()
    1.57 +	{
    1.58 +	TBuf<32> cmd;
    1.59 +	User::CommandLine(cmd);
    1.60 +	TLex lex(cmd);
    1.61 +	TInt n=0;
    1.62 +	lex.Val(n);
    1.63 +
    1.64 +	typedef void (*TPfn)();
    1.65 +
    1.66 +	switch (n)
    1.67 +		{
    1.68 +	default:
    1.69 +	case 0:
    1.70 +		{
    1.71 +		// data abort - accessing non-existent memory
    1.72 +		TInt* p = (TInt*) 0x1000;
    1.73 +		*p = 0x42;
    1.74 +		}
    1.75 +		break;
    1.76 +	case 1:
    1.77 +		// data abort - stack overflow
    1.78 +		InfiniteRecursion();
    1.79 +		break;
    1.80 +	case 2:
    1.81 +		{
    1.82 +		// data abort - pointer in deleted heap cell
    1.83 +		// May not crash on UREL builds
    1.84 +		struct S { TInt* iPtr; };
    1.85 +		S* p = new S;
    1.86 +		p->iPtr = new TInt;
    1.87 +		delete p->iPtr;
    1.88 +		delete p;
    1.89 +		*(p->iPtr) = 42;
    1.90 +		}
    1.91 +		break;
    1.92 +	case 3:
    1.93 +		// data abort - uninitialised pointer on stack
    1.94 +		Foo();
    1.95 +		break;
    1.96 +	case 4:
    1.97 +		{
    1.98 +		// data abort - misaligned access to 32 bit word
    1.99 +		TUint8 buffer[16];
   1.100 +		Foo1(buffer+2);
   1.101 +		}
   1.102 +		break;
   1.103 +	case 5:
   1.104 +		{
   1.105 +		// data abort - misaligned access to 16 bit word
   1.106 +		TUint8 buffer[16];
   1.107 +		Foo2 (buffer+1);
   1.108 + 		}
   1.109 +		break;
   1.110 +	case 6:
   1.111 +		{
   1.112 +		// prefetch abort
   1.113 +		TPfn f = NULL;
   1.114 +		f();
   1.115 +		}
   1.116 +		break;
   1.117 +	case 7:
   1.118 +		{
   1.119 +		// undefined instruction
   1.120 +		TUint32 undef = 0xE6000010;
   1.121 +		TPfn f = (TPfn) &undef;
   1.122 +		f();
   1.123 +		}
   1.124 +		break;
   1.125 +		}
   1.126 +
   1.127 +	return 0;
   1.128 +	}