| 1 | /* $Id: except.h,v 1.1 1999-05-24 20:19:12 ktk Exp $ */
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| 2 |
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| 3 | /*
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| 4 | * except.h
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| 5 | * Copyright (c) 1996, Onno Hovers (onno@stack.urc.tue.nl)
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| 6 | */
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| 7 |
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| 8 | #ifndef __WINE_EXCEPT_H
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| 9 | #define __WINE_EXCEPT_H
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| 10 |
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| 11 | #include "winnt.h"
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| 12 |
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| 13 | /*
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| 14 | * the function pointer to a exception handler
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| 15 | */
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| 16 |
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| 17 | /* forward definition */
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| 18 | struct __EXCEPTION_FRAME;
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| 19 |
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| 20 | typedef DWORD (CALLBACK *PEXCEPTION_HANDLER)( PEXCEPTION_RECORD pexcrec,
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| 21 | struct __EXCEPTION_FRAME *pestframe,
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| 22 | PCONTEXT pcontext,
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| 23 | LPVOID pdispatcher);
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| 24 |
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| 25 | /*
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| 26 | * The exception frame, used for registering exception handlers
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| 27 | * Win32 cares only about this, but compilers generally emit
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| 28 | * larger exception frames for their own use.
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| 29 | */
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| 30 |
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| 31 | typedef struct __EXCEPTION_FRAME
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| 32 | {
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| 33 | struct __EXCEPTION_FRAME *Prev;
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| 34 | PEXCEPTION_HANDLER Handler;
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| 35 | } EXCEPTION_FRAME, *PEXCEPTION_FRAME;
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| 36 |
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| 37 |
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| 38 | /*
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| 39 | * this undocumented function is called when an exception
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| 40 | * handler wants all the frames to be unwound. RtlUnwind
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| 41 | * calls all exception handlers with the EH_UNWIND or
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| 42 | * EH_EXIT_UNWIND flags set in the exception record
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| 43 | *
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| 44 | * This prototype assumes RtlUnwind takes the same
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| 45 | * parameters as OS/2 2.0 DosUnwindException
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| 46 | * Disassembling RtlUnwind shows this is true, except for
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| 47 | * the TargetEIP parameter, which is unused. There is
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| 48 | * a fourth parameter, that is used as the eax in the
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| 49 | * context.
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| 50 | */
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| 51 | void WINAPI RtlUnwind( PEXCEPTION_FRAME pestframe,
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| 52 | LPVOID unusedEIP,
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| 53 | PEXCEPTION_RECORD pexcrec,
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| 54 | DWORD contextEAX );
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| 55 |
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| 56 | #endif /* __WINE_EXCEPT_H */
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