// Copyright (c) 2004-2009 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\debug\d_eventtracker.cia

// 

//

#include <arm.h>

#include "d_eventtracker.h"

//////////////////////////////////////////////////////////////////////////////

// CIA symbol macros for Gcc98r2

#if defined(__GCC32__)

#define CSM_ZN13DEventTracker11HandleEventE12TKernelEventPvS1 " HandleEvent__13DEventTracker12TKernelEventPvT2"

// CIA symbol macros for RVCT

#elif defined(__ARMCC__)

#define CSM_ZN13DEventTracker11HandleEventE12TKernelEventPvS1 " __cpp(DEventTracker::HandleEvent)"

// CIA symbol macros for EABI assemblers

#else

#define CSM_ZN13DEventTracker11HandleEventE12TKernelEventPvS1 " _ZN13DEventTracker11HandleEventE12TKernelEventPvS1_"

#endif

//////////////////////////////////////////////////////////////////////////////

__NAKED__ void DEventTracker::BranchToEventHandler()

//

// Breakpoint to call our event handler

//

	{

	asm("breakstart: ");													// start of breakpoint.

	asm("mov r3, r2");														// set up regs for call to our handler...

	asm("mov r2, r1");														//

	asm("mov r1, r0");														//

	asm("ldr r0, __TheEventTracker ");										// fiddle this pointer

	asm("ldr r0, [r0] ");													// load from TheEventTracker

	asm("ldr pc, [pc, #-4]" );												// do an absolute jump...

	asm(".word " CSM_ZN13DEventTracker11HandleEventE12TKernelEventPvS1 );	//  to DEventTracker::HandleEvent

	asm("__TheEventTracker: ");												// address of global variable:

	asm(".word %a0" : : "i" (&TheEventTracker));							//  TheEventTracker

	asm("breakend: ");														// end of breakpoint.

	}

__NAKED__ TUint DEventTracker::BreakPointSize()

//

// Size of breakpoint

//

	{

	asm("ldr r0, = breakend - breakstart");

	__JUMP(,lr);

	}

__NAKED__ TUint DEventTracker::DummyHandler(TKernelEvent /*aEvent*/, TAny* /*a1*/, TAny* /*a2*/)

//

// Debugger breakpoint-able callback.  Will be copied into RAM

//

	{

	//

	// r0=aEvent, r1=a1, r2=a2

	//

	asm("dummystart: ");											// start of fn.

	asm("nop");														// breakpoint-able instruction for the debugger to replace

	asm("nop");														// landing zone

	asm("nop");														// landing zone

	asm("nop");														// landing zone

	asm("nop");														// landing zone

	asm("nop");														// landing zone

	asm("nop");														// landing zone

	asm("mov r0, #%a0" : : "i" (DKernelEventHandler::ERunNext));	// return value

	__JUMP(,lr);													// return

	asm("dummyend:");												// end of fn.

	}

__NAKED__ TUint DEventTracker::DummyHandlerSize()

//

// Size of debugger breakpoint-able callback.

//

	{

	asm("ldr r0, = dummyend - dummystart");

	__JUMP(,lr);

	}