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ported the __EXCEPT_PAGE_FAULT macro for upcoming synchronizations of imported wine code

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svn path=/trunk/; revision=20225
This commit is contained in:
Thomas Bluemel 2005-12-17 16:06:45 +00:00
parent b89c461211
commit 9cab16f025
1 changed files with 20 additions and 3 deletions
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23
reactos/include/wine/exception.h
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@ -78,6 +78,7 @@ typedef struct _EXCEPTION_REGISTRATION_RECORD
#define __EXCEPT(func) __except((func)(GetExceptionInformation()))
#define __FINALLY(func) __finally { (func)(!AbnormalTermination()); }
#define __ENDTRY /*nothing*/
#define __EXCEPT_PAGE_FAULT __except(GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
#else /* USE_COMPILER_EXCEPTIONS */
@ -129,6 +130,9 @@ typedef struct _EXCEPTION_REGISTRATION_RECORD
typedef DWORD (CALLBACK *__WINE_FILTER)(PEXCEPTION_POINTERS);
typedef void (CALLBACK *__WINE_FINALLY)(BOOL);
/* convenience handler for page fault exceptions */
#define __EXCEPT_PAGE_FAULT __EXCEPT( (__WINE_FILTER)1 )
#define WINE_EXCEPTION_FILTER(func) DWORD CALLBACK func( PEXCEPTION_POINTERS __eptr )
#define WINE_FINALLY_FUNC(func) void CALLBACK func( BOOL __normal )
@ -156,7 +160,7 @@ typedef struct __tagWINE_FRAME
#endif /* USE_COMPILER_EXCEPTIONS */
static inline EXCEPTION_REGISTRATION_RECORD *__wine_push_frame( EXCEPTION_REGISTRATION_RECORD *frame )
static __inline EXCEPTION_REGISTRATION_RECORD *__wine_push_frame( EXCEPTION_REGISTRATION_RECORD *frame )
{
#if defined(__GNUC__) && defined(__i386__)
EXCEPTION_REGISTRATION_RECORD *prev;
@ -173,7 +177,7 @@ static inline EXCEPTION_REGISTRATION_RECORD *__wine_push_frame( EXCEPTION_REGIST
#endif
}
static inline EXCEPTION_REGISTRATION_RECORD *__wine_pop_frame( EXCEPTION_REGISTRATION_RECORD *frame )
static __inline EXCEPTION_REGISTRATION_RECORD *__wine_pop_frame( EXCEPTION_REGISTRATION_RECORD *frame )
{
#if defined(__GNUC__) && defined(__i386__)
__asm__ __volatile__(".byte 0x64\n\tmovl %0,(0)"
@ -199,7 +203,13 @@ __wine_exception_handler( struct _EXCEPTION_RECORD *record, void *frame,
if (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND | EH_NESTED_CALL))
return ExceptionContinueSearch;
if (wine_frame->u.filter)
if (wine_frame->u.filter == (void *)1) /* special hack for page faults */
{
if (record->ExceptionCode != EXCEPTION_ACCESS_VIOLATION)
return ExceptionContinueSearch;
}
else if (wine_frame->u.filter)
{
EXCEPTION_POINTERS ptrs;
ptrs.ExceptionRecord = record;
@ -253,4 +263,11 @@ __wine_finally_handler( struct _EXCEPTION_RECORD *record, void *frame,
extern void __wine_enter_vm86( CONTEXT *context );
static __inline WINE_EXCEPTION_FILTER(__wine_pagefault_filter)
{
if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
return EXCEPTION_CONTINUE_SEARCH;
return EXCEPTION_EXECUTE_HANDLER;
}
#endif /* __WINE_WINE_EXCEPTION_H */