kernel/eka/common/win32/seh.h
author Slion
Tue, 08 Dec 2009 08:11:42 +0100
branchanywhere
changeset 19 f6d3d9676ee4
parent 0 a41df078684a
permissions -rw-r--r--
Trying to figure out how to implement my WINC like compatibility layer. Going the emulation way is probably not so smart. We should not use the kernel but rather hook native functions in the Exec calls.

// 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:
// e32\common\win32\seh.h
// 
//

#ifndef __SEH_H__
#define __SEH_H__

#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <excpt.h>

// Extracted from exsup.inc

/** An exception unwind is in progress */
#define	EXCEPTION_UNWINDING		2

// Special Win32 SEH code for C++ exceptions
static const DWORD EXCEPTION_MSCPP = 0xe06d7363;

/** Helper function to get current TIB record as a simple 32bit pointer */
__declspec(naked) NT_TIB* Tib()
	{
	// _FOFF(NT_TIB, Self) = 0x18
	_asm mov eax, dword ptr fs:[0x18]
	_asm ret
	}

#include <e32def.h>
__ASSERT_COMPILE(_FOFF(NT_TIB, Self) == 0x18);

#endif // __SEH_H__