// 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
