sl@0: // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32test\defrag\t_pagemove.cia
sl@0: // All rights reserved.
sl@0: // This code is used to test code mofication while moving a page.
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include <u32std.h>
sl@0: 
sl@0: #ifdef __CPU_ARM
sl@0: 
sl@0: /*
sl@0:  * Assembly code to test pagemove while writing to code section. 
sl@0:  * NOTE: Do not change instruction ordering without looking at t_pagemove.cpp 
sl@0:  * Look at TestCodeModification and TestCodeAsync (TestCodeModificationAsync)
sl@0:  */
sl@0: __NAKED__ TInt TestCodeModFunc(void)
sl@0: 	{
sl@0: 	asm("mov     r0, #5 ");
sl@0: 	asm("b 1f");
sl@0: 	/* Need to put 3f here because this jump will move up by one instruction */
sl@0: 	asm("b 3f");
sl@0: 	asm("1: ");
sl@0: 	asm("mov     r0, #1 ");
sl@0: 	asm("b 3f");
sl@0: 	asm("2: ");
sl@0: 	asm("mov     r0, #2 ");
sl@0: 	asm("3: ");
sl@0: 	__JUMP(,lr);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: __NAKED__ TInt Increment(TInt)
sl@0: 	{
sl@0: 	asm("add r0, r0, #1 ");
sl@0: 	__JUMP(,lr);
sl@0: 	asm("Increment__Fi_end: ");
sl@0: 	}
sl@0: 
sl@0: __NAKED__ TUint Increment_Length()
sl@0: 	{
sl@0: 	asm("adr r0, Increment__Fi_end ");
sl@0: 	asm("adr r1, Increment__Fi ");
sl@0: 	asm("sub r0, r0, r1 ");
sl@0: 	__JUMP(,lr);
sl@0: 	}
sl@0: 
sl@0: __NAKED__ TInt Decrement(TInt)
sl@0: 	{
sl@0: 	asm("sub r0, r0, #1 ");
sl@0: 	__JUMP(,lr);
sl@0: 	asm("Decrement__Fi_end: ");
sl@0: 	}
sl@0: 
sl@0: __NAKED__ TUint Decrement_Length()
sl@0: 	{
sl@0: 	asm("adr r0, Decrement__Fi_end ");
sl@0: 	asm("adr r1, Decrement__Fi ");
sl@0: 	asm("sub r0, r0, r1 ");
sl@0: 	__JUMP(,lr);
sl@0: 	}
sl@0: 
sl@0: #endif