// Copyright (c) 2006-2009 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\mmu\t_wsd_dl3.cpp

//

// MMH file will define	T_WSD_DL3

#include "t_wsd_tst.h"

#define C 		((void*)DummyFn)

#define D 		((void*)TestData)

#define A4W		C, D, C, D												// 4 words

#define A16W	A4W, A4W, A4W, A4W										// 16 words

#define A64W 	A16W, A16W, A16W, A16W									// 64 words

#define A256W 	A64W, A64W, A64W, A64W									// 256 words

#define A1KW	A256W, A256W, A256W, A256W								// 1Kwords

#define A4KW	A1KW, A1KW, A1KW, A1KW									// 4Kwords

// Non-exported dummy function whose address is put in the initialised

// data, to check that it gets relocated correctly

void DummyFn(void)

	{

	}

// Non-exported const data, which should end up in the text segment

// but doesn't on some platforms :(

static const void* const TestData[] = { A4KW, A4KW };					// 8Kwords

const TInt KSizeOfTestData = sizeof(TestData);							// 32Kbytes

// Exported Ordinals 2-5

EXPORT_D TInt32 TestDataSize = KSizeOfTestData;

EXPORT_D void* WritableTestData[] = { A4KW, A4KW };

EXPORT_D const void* const* PointerToStaticData = TestData;

EXPORT_D void** PointerToWritableData = WritableTestData;

// Dummy function, just so that this DLL contains more than one page of

// text even on platforms where the read-only data ends up in the data

// rather than the text segment ...

TUint AddEmUp()

	{

	const void* const* p = TestData;

	TUint sum = 0;

#define	ADD1W	{ sum += (TUint)*p++; }									// 1 word

#define	ADD4W	{ ADD1W; ADD1W; ADD1W; ADD1W; }							// 4 words

#define	ADD16W	{ ADD4W; ADD4W; ADD4W; ADD4W; }							// 16 words

#define	ADD64W	{ ADD16W; ADD16W; ADD16W; ADD16W; }						// 64 words

#define	ADD256W	{ ADD64W; ADD64W; ADD64W; ADD64W; }						// 256 words

#define	ADD1KW	{ ADD256W; ADD256W; ADD256W; ADD256W; }					// 1K words

	// The macro ADD1KW should expand to ~2K instructions i.e. ~8Kb of inline code

	for (TUint i = 0; i < sizeof(TestData)/(1024*sizeof(void*)); ++i)

		ADD1KW;

	// We've added up all 8Kwords (32kb) of the test data ...

	return sum;

	}

// Exported Ordinal 1

EXPORT_C void** GetAddressOfData(TInt& aSize, void*& aCodeAddr, void*& aDataAddr)

	{

	TAny* p = User::Alloc(KSizeOfTestData);

	aSize = AddEmUp();

	aSize = KSizeOfTestData;

	aCodeAddr = C;

	aDataAddr = D;

	User::Free(p);

	return (void**)&PointerToStaticData;

	}