kernel/eka/common/win32/seh.h
changeset 0 a41df078684a
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     1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of the License "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // e32\common\win32\seh.h
       
    15 // 
       
    16 //
       
    17 
       
    18 #ifndef __SEH_H__
       
    19 #define __SEH_H__
       
    20 
       
    21 #define WIN32_LEAN_AND_MEAN
       
    22 #include <windows.h>
       
    23 #include <excpt.h>
       
    24 
       
    25 // Extracted from exsup.inc
       
    26 
       
    27 /** An exception unwind is in progress */
       
    28 #define	EXCEPTION_UNWINDING		2
       
    29 
       
    30 // Special Win32 SEH code for C++ exceptions
       
    31 static const DWORD EXCEPTION_MSCPP = 0xe06d7363;
       
    32 
       
    33 /** Helper function to get current TIB record as a simple 32bit pointer */
       
    34 __declspec(naked) NT_TIB* Tib()
       
    35 	{
       
    36 	// _FOFF(NT_TIB, Self) = 0x18
       
    37 	_asm mov eax, dword ptr fs:[0x18]
       
    38 	_asm ret
       
    39 	}
       
    40 
       
    41 #include <e32def.h>
       
    42 __ASSERT_COMPILE(_FOFF(NT_TIB, Self) == 0x18);
       
    43 
       
    44 #endif // __SEH_H__