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ntdll: Make the exception handling functions inline.

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This commit is contained in:
Alexandre Julliard 2008-05-01 10:57:54 +02:00
parent 4a37308389
commit 0ee44f5e20
3 changed files with 103 additions and 77 deletions
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63
dlls/ntdll/exception.c
View File

@ -564,69 +564,6 @@ ULONG WINAPI RtlRemoveVectoredExceptionHandler( PVOID handler )
}
/*************************************************************
* __wine_exception_handler (NTDLL.@)
*
* Exception handler for exception blocks declared in Wine code.
*/
DWORD __wine_exception_handler( EXCEPTION_RECORD *record, EXCEPTION_REGISTRATION_RECORD *frame,
CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **pdispatcher )
{
__WINE_FRAME *wine_frame = (__WINE_FRAME *)frame;
if (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND | EH_NESTED_CALL))
return ExceptionContinueSearch;
if (wine_frame->u.filter == (void *)1) /* special hack for page faults */
{
if (record->ExceptionCode != STATUS_ACCESS_VIOLATION)
return ExceptionContinueSearch;
}
else if (wine_frame->u.filter)
{
EXCEPTION_POINTERS ptrs;
ptrs.ExceptionRecord = record;
ptrs.ContextRecord = context;
switch(wine_frame->u.filter( &ptrs ))
{
case EXCEPTION_CONTINUE_SEARCH:
return ExceptionContinueSearch;
case EXCEPTION_CONTINUE_EXECUTION:
return ExceptionContinueExecution;
case EXCEPTION_EXECUTE_HANDLER:
break;
default:
MESSAGE( "Invalid return value from exception filter\n" );
assert( FALSE );
}
}
/* hack to make GetExceptionCode() work in handler */
wine_frame->ExceptionCode = record->ExceptionCode;
wine_frame->ExceptionRecord = wine_frame;
RtlUnwind( frame, 0, record, 0 );
__wine_pop_frame( frame );
siglongjmp( wine_frame->jmp, 1 );
}
/*************************************************************
* __wine_finally_handler (NTDLL.@)
*
* Exception handler for try/finally blocks declared in Wine code.
*/
DWORD __wine_finally_handler( EXCEPTION_RECORD *record, EXCEPTION_REGISTRATION_RECORD *frame,
CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **pdispatcher )
{
if (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND))
{
__WINE_FRAME *wine_frame = (__WINE_FRAME *)frame;
wine_frame->u.finally_func( FALSE );
}
return ExceptionContinueSearch;
}
/*************************************************************
* __wine_spec_unimplemented_stub
*

4
dlls/ntdll/ntdll.spec
View File

@ -1366,10 +1366,6 @@
# All functions must be prefixed with '__wine_' (for internal functions)
# or 'wine_' (for user-visible functions) to avoid namespace conflicts.
# Exception handling
@ cdecl -norelay __wine_exception_handler(ptr ptr ptr ptr)
@ cdecl -norelay __wine_finally_handler(ptr ptr ptr ptr)
# Relays
@ cdecl -norelay -i386 __wine_call_from_32_regs()
@ cdecl -i386 __wine_enter_vm86(ptr)

113
include/wine/exception.h
View File

@ -23,6 +23,7 @@
#include <setjmp.h>
#include <windef.h>
#include <winternl.h>
#include <excpt.h>
/* The following definitions allow using exceptions in Wine and Winelib code
@ -100,6 +101,30 @@
const __WINE_FRAME * const __eptr __attribute__((unused)) = &__f; \
do {
/* convenience handler for page fault exceptions */
#define __EXCEPT_PAGE_FAULT \
} while(0); \
__wine_pop_frame( &__f.frame ); \
break; \
} else { \
__f.frame.Handler = __wine_exception_handler_page_fault; \
__wine_push_frame( &__f.frame ); \
if (sigsetjmp( __f.jmp, 0 )) { \
const __WINE_FRAME * const __eptr __attribute__((unused)) = &__f; \
do {
/* convenience handler for all exception */
#define __EXCEPT_ALL \
} while(0); \
__wine_pop_frame( &__f.frame ); \
break; \
} else { \
__f.frame.Handler = __wine_exception_handler_all; \
__wine_push_frame( &__f.frame ); \
if (sigsetjmp( __f.jmp, 0 )) { \
const __WINE_FRAME * const __eptr __attribute__((unused)) = &__f; \
do {
#define __ENDTRY \
} while (0); \
break; \
@ -125,11 +150,6 @@
typedef LONG (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 )
/* convenience handler for all exception */
#define __EXCEPT_ALL __EXCEPT( NULL )
#define GetExceptionInformation() (__eptr)
#define GetExceptionCode() (__eptr->ExceptionRecord->ExceptionCode)
#define AbnormalTermination() (!__normal)
@ -150,11 +170,6 @@ typedef struct __tagWINE_FRAME
const struct __tagWINE_FRAME *ExceptionRecord;
} __WINE_FRAME;
extern DWORD __wine_exception_handler( PEXCEPTION_RECORD record, EXCEPTION_REGISTRATION_RECORD *frame,
CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **pdispatcher );
extern DWORD __wine_finally_handler( PEXCEPTION_RECORD record, EXCEPTION_REGISTRATION_RECORD *frame,
CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **pdispatcher );
#endif /* USE_COMPILER_EXCEPTIONS */
static inline EXCEPTION_REGISTRATION_RECORD *__wine_push_frame( EXCEPTION_REGISTRATION_RECORD *frame )
@ -209,4 +224,82 @@ static inline EXCEPTION_REGISTRATION_RECORD *__wine_pop_frame( EXCEPTION_REGISTR
extern void __wine_enter_vm86( CONTEXT *context );
#ifndef USE_COMPILER_EXCEPTIONS
static inline void DECLSPEC_NORETURN __wine_unwind_frame( EXCEPTION_RECORD *record,
EXCEPTION_REGISTRATION_RECORD *frame )
{
__WINE_FRAME *wine_frame = (__WINE_FRAME *)frame;
/* hack to make GetExceptionCode() work in handler */
wine_frame->ExceptionCode = record->ExceptionCode;
wine_frame->ExceptionRecord = wine_frame;
RtlUnwind( frame, 0, record, 0 );
__wine_pop_frame( frame );
siglongjmp( wine_frame->jmp, 1 );
}
static inline DWORD __wine_exception_handler( EXCEPTION_RECORD *record,
EXCEPTION_REGISTRATION_RECORD *frame,
CONTEXT *context,
EXCEPTION_REGISTRATION_RECORD **pdispatcher )
{
__WINE_FRAME *wine_frame = (__WINE_FRAME *)frame;
EXCEPTION_POINTERS ptrs;
if (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND | EH_NESTED_CALL))
return ExceptionContinueSearch;
ptrs.ExceptionRecord = record;
ptrs.ContextRecord = context;
switch(wine_frame->u.filter( &ptrs ))
{
case EXCEPTION_CONTINUE_SEARCH:
return ExceptionContinueSearch;
case EXCEPTION_CONTINUE_EXECUTION:
return ExceptionContinueExecution;
case EXCEPTION_EXECUTE_HANDLER:
break;
}
__wine_unwind_frame( record, frame );
}
static inline DWORD __wine_exception_handler_page_fault( EXCEPTION_RECORD *record,
EXCEPTION_REGISTRATION_RECORD *frame,
CONTEXT *context,
EXCEPTION_REGISTRATION_RECORD **pdispatcher )
{
if (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND | EH_NESTED_CALL))
return ExceptionContinueSearch;
if (record->ExceptionCode != STATUS_ACCESS_VIOLATION)
return ExceptionContinueSearch;
__wine_unwind_frame( record, frame );
}
static inline DWORD __wine_exception_handler_all( EXCEPTION_RECORD *record,
EXCEPTION_REGISTRATION_RECORD *frame,
CONTEXT *context,
EXCEPTION_REGISTRATION_RECORD **pdispatcher )
{
if (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND | EH_NESTED_CALL))
return ExceptionContinueSearch;
__wine_unwind_frame( record, frame );
}
static inline DWORD __wine_finally_handler( EXCEPTION_RECORD *record,
EXCEPTION_REGISTRATION_RECORD *frame,
CONTEXT *context,
EXCEPTION_REGISTRATION_RECORD **pdispatcher )
{
if (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND))
{
__WINE_FRAME *wine_frame = (__WINE_FRAME *)frame;
wine_frame->u.finally_func( FALSE );
}
return ExceptionContinueSearch;
}
#endif /* USE_COMPILER_EXCEPTIONS */
#endif /* __WINE_WINE_EXCEPTION_H */