/*

 * 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: 

 *

 */

 #include <emulator.h>

 extern "C" {

 #include "cryptography_stubs.h"

 FARPROC vector[MAX_ORDINAL+1];

 void fill_vector(HINSTANCE aDll)

 	{

 	int i;

 	for (i=1;i<=MAX_ORDINAL;i++)

 		{

 		vector[i] = GetProcAddress(aDll, (LPCSTR)i);

 		}

 	vector[0] = (FARPROC)1;		// initialised

 	}

 void init_vector()

 	{

 	__LOCK_HOST;		// prevent deadlock with EKA2 scheduler

 	HINSTANCE instance;

 	// Try for strong cryptography

 	//

 	instance = LoadLibraryA("strong_cryptography.dll"); 

 	if (instance != NULL)

 		{

 		fill_vector(instance);

 		return;

 		}

 	// Try for weak cryptography

 	//

 	instance = LoadLibraryA("weak_cryptography.dll"); 

 	if (instance != NULL)

 		{

 		fill_vector(instance);

 		return;

 		}

 	// die

 	//

 	OutputDebugStringA("Unable to load cryptography implementation");

 	_asm int 3;

 	}

 __declspec(naked) void common_dispatch()

 	{

 	_asm cmp	dword ptr vector,0		// initialised?

 	_asm jne  	call_though_vector

 	_asm push	eax

 	_asm push	ecx

 	_asm push	edx

 	_asm call	init_vector

 	_asm pop	edx

 	_asm pop 	ecx

 	_asm pop 	eax

 call_though_vector:

 	_asm jmp	[vector+eax*4]

 	}

 }