kernel/eka/common/win32/seh.h
author Mike Kinghan <mikek@symbian.org>
Tue, 16 Nov 2010 14:39:21 +0000
branchGCC_SURGE
changeset 303 9b85206a602c
parent 0 a41df078684a
permissions -rw-r--r--
We need a way to pass flags to rombuilds in Raptor via extension flm interfaces, so that the CPP pass of the rom input files can be informed what toolchain we are building with and conditionally include or exclude files depending on whether the toolchain could build them.

// 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__