diff -r 000000000000 -r a41df078684a kerneltest/e32test/defrag/t_pagemove.cia --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/kerneltest/e32test/defrag/t_pagemove.cia Mon Oct 19 15:55:17 2009 +0100 @@ -0,0 +1,75 @@ +// Copyright (c) 2007-2009 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\defrag\t_pagemove.cia +// All rights reserved. +// This code is used to test code mofication while moving a page. +// +// + +#include + +#ifdef __CPU_ARM + +/* + * Assembly code to test pagemove while writing to code section. + * NOTE: Do not change instruction ordering without looking at t_pagemove.cpp + * Look at TestCodeModification and TestCodeAsync (TestCodeModificationAsync) + */ +__NAKED__ TInt TestCodeModFunc(void) + { + asm("mov r0, #5 "); + asm("b 1f"); + /* Need to put 3f here because this jump will move up by one instruction */ + asm("b 3f"); + asm("1: "); + asm("mov r0, #1 "); + asm("b 3f"); + asm("2: "); + asm("mov r0, #2 "); + asm("3: "); + __JUMP(,lr); + } + + +__NAKED__ TInt Increment(TInt) + { + asm("add r0, r0, #1 "); + __JUMP(,lr); + asm("Increment__Fi_end: "); + } + +__NAKED__ TUint Increment_Length() + { + asm("adr r0, Increment__Fi_end "); + asm("adr r1, Increment__Fi "); + asm("sub r0, r0, r1 "); + __JUMP(,lr); + } + +__NAKED__ TInt Decrement(TInt) + { + asm("sub r0, r0, #1 "); + __JUMP(,lr); + asm("Decrement__Fi_end: "); + } + +__NAKED__ TUint Decrement_Length() + { + asm("adr r0, Decrement__Fi_end "); + asm("adr r1, Decrement__Fi "); + asm("sub r0, r0, r1 "); + __JUMP(,lr); + } + +#endif