| author | sl |
| Tue, 10 Jun 2014 14:32:02 +0200 | |
| changeset 1 | 260cb5ec6c19 |
| permissions | -rw-r--r-- |
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// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of the License "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// e32test\misc\exc.cpp |
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// Utility generating various kinds of exceptions. Useful to test |
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// debuggers. |
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// |
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// |
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|
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#include <e32std.h> |
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#include <e32std_private.h> |
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|
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void InfiniteRecursion() |
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{
|
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InfiniteRecursion(); |
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} |
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|
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#ifdef __ARMCC__ |
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#pragma Ono_inline // prevent compile time errors |
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#endif |
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void Store42(TInt*& p) |
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{
|
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*p = 42; |
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} |
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|
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void Foo() |
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{
|
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// uninitialised pointer on stack - may not crash |
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TInt* p; |
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Store42(p); |
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} |
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void Foo1(TUint8 *ps) |
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{
|
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TInt32* p = (TInt32*)ps; |
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*p = 0x42; |
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} |
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void Foo2(TUint8 *ps) |
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{
|
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TInt16* p = (TInt16*)ps; |
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*p = 0x42; |
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} |
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|
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TInt E32Main() |
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{
|
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TBuf<32> cmd; |
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User::CommandLine(cmd); |
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TLex lex(cmd); |
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TInt n=0; |
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lex.Val(n); |
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|
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typedef void (*TPfn)(); |
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|
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switch (n) |
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{
|
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default: |
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case 0: |
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{
|
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// data abort - accessing non-existent memory |
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TInt* p = (TInt*) 0x1000; |
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*p = 0x42; |
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} |
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break; |
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case 1: |
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// data abort - stack overflow |
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InfiniteRecursion(); |
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break; |
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case 2: |
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{
|
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// data abort - pointer in deleted heap cell |
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// May not crash on UREL builds |
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struct S { TInt* iPtr; };
|
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S* p = new S; |
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p->iPtr = new TInt; |
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delete p->iPtr; |
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delete p; |
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*(p->iPtr) = 42; |
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} |
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break; |
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case 3: |
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// data abort - uninitialised pointer on stack |
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Foo(); |
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break; |
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case 4: |
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{
|
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// data abort - misaligned access to 32 bit word |
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TUint8 buffer[16]; |
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Foo1(buffer+2); |
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} |
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break; |
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case 5: |
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{
|
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// data abort - misaligned access to 16 bit word |
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TUint8 buffer[16]; |
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Foo2 (buffer+1); |
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} |
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break; |
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case 6: |
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{
|
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// prefetch abort |
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TPfn f = NULL; |
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f(); |
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} |
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break; |
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case 7: |
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{
|
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// undefined instruction |
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TUint32 undef = 0xE6000010; |
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TPfn f = (TPfn) &undef; |
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f(); |
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} |
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break; |
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} |
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|
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return 0; |
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} |