// 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 <u32std.h>

#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