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- Sync with Wine.

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svn path=/trunk/; revision=38047
This commit is contained in:
Aleksey Bragin
2008-12-13 19:30:38 +00:00
parent 1208ee14e8
commit fcd0ee7931
1 changed files with 116 additions and 119 deletions
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235
reactos/include/reactos/wine/exception.h
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@@ -25,6 +25,10 @@
#include <windef.h>
#include <excpt.h>
#ifdef __cplusplus
extern "C" {
#endif
/* The following definitions allow using exceptions in Wine and Winelib code
*
* They should be used like this:
@@ -87,6 +91,12 @@ typedef struct _EXCEPTION_REGISTRATION_RECORD
#define __attribute__(x) /* nothing */
#endif
#if defined(__MINGW32__) || defined(__CYGWIN__) || defined(__REACTOS__)
#define sigjmp_buf jmp_buf
#define sigsetjmp(buf,sigs) setjmp(buf)
#define siglongjmp(buf,val) longjmp(buf,val)
#endif
#define __TRY \
do { __WINE_FRAME __f; \
int __first = 1; \
@@ -101,7 +111,7 @@ typedef struct _EXCEPTION_REGISTRATION_RECORD
} else { \
__f.frame.Handler = __wine_exception_handler; \
__f.u.filter = (func); \
if (setjmp( __f.jmp )) { \
if (sigsetjmp( __f.jmp, 0 )) { \
const __WINE_FRAME * const __eptr __attribute__((unused)) = &__f; \
do {
@@ -112,7 +122,7 @@ typedef struct _EXCEPTION_REGISTRATION_RECORD
break; \
} else { \
__f.frame.Handler = __wine_exception_handler_page_fault; \
if (setjmp( __f.jmp )) { \
if (sigsetjmp( __f.jmp, 0 )) { \
const __WINE_FRAME * const __eptr __attribute__((unused)) = &__f; \
do {
@@ -123,7 +133,7 @@ typedef struct _EXCEPTION_REGISTRATION_RECORD
break; \
} else { \
__f.frame.Handler = __wine_exception_handler_all; \
if (setjmp( __f.jmp )) { \
if (sigsetjmp( __f.jmp, 0 )) { \
const __WINE_FRAME * const __eptr __attribute__((unused)) = &__f; \
do {
@@ -153,9 +163,6 @@ typedef struct _EXCEPTION_REGISTRATION_RECORD
typedef LONG (CALLBACK *__WINE_FILTER)(PEXCEPTION_POINTERS);
typedef void (CALLBACK *__WINE_FINALLY)(BOOL);
#define WINE_EXCEPTION_FILTER(func) LONG WINAPI func( EXCEPTION_POINTERS *__eptr )
#define WINE_FINALLY_FUNC(func) void CALLBACK func( BOOL __normal )
#define GetExceptionInformation() (__eptr)
#define GetExceptionCode() (__eptr->ExceptionRecord->ExceptionCode)
@@ -172,7 +179,7 @@ typedef struct __tagWINE_FRAME
/* finally data */
__WINE_FINALLY finally_func;
} u;
jmp_buf jmp;
sigjmp_buf jmp;
/* hack to make GetExceptionCode() work in handler */
DWORD ExceptionCode;
const struct __tagWINE_FRAME *ExceptionRecord;
@@ -180,7 +187,7 @@ 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;
@@ -191,13 +198,13 @@ static __inline EXCEPTION_REGISTRATION_RECORD *__wine_push_frame( EXCEPTION_REGI
return prev;
#else
NT_TIB *teb = (NT_TIB *)NtCurrentTeb();
frame->Prev = (void *)teb->ExceptionList;
teb->ExceptionList = (void *)frame;
frame->Prev = teb->ExceptionList;
teb->ExceptionList = frame;
return frame->Prev;
#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)"
@@ -206,114 +213,11 @@ static __inline EXCEPTION_REGISTRATION_RECORD *__wine_pop_frame( EXCEPTION_REGIS
#else
NT_TIB *teb = (NT_TIB *)NtCurrentTeb();
teb->ExceptionList = (void *)frame->Prev;
teb->ExceptionList = frame->Prev;
return frame->Prev;
#endif
}
#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;
#if defined(__GNUC__) && defined(__i386__)
{
/* RtlUnwind clobbers registers on Windows */
int dummy1, dummy2, dummy3;
__asm__ __volatile__("pushl %%ebp\n\t"
"pushl %%ebx\n\t"
"pushl $0\n\t"
"pushl %2\n\t"
"pushl $0\n\t"
"pushl %1\n\t"
"call *%0\n\t"
"popl %%ebx\n\t"
"popl %%ebp"
: "=a" (dummy1), "=S" (dummy2), "=D" (dummy3)
: "0" (RtlUnwind), "1" (frame), "2" (record)
: "ecx", "edx", "memory" );
}
#else
RtlUnwind( frame, 0, record, 0 );
#endif
__wine_pop_frame( frame );
longjmp( wine_frame->jmp, 1 );
}
static __inline EXCEPTION_DISPOSITION
__wine_exception_handler( struct _EXCEPTION_RECORD *record, void *frame,
struct _CONTEXT *context, void *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 != EXCEPTION_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:
break;
}
}
__wine_unwind_frame( record, frame );
}
static __inline EXCEPTION_DISPOSITION
__wine_exception_handler_page_fault( struct _EXCEPTION_RECORD *record, void *frame,
struct _CONTEXT *context, void *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 EXCEPTION_DISPOSITION
__wine_exception_handler_all( struct _EXCEPTION_RECORD *record, void *frame,
struct _CONTEXT *context, void *pdispatcher )
{
if (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND | EH_NESTED_CALL))
return ExceptionContinueSearch;
__wine_unwind_frame( record, frame );
}
static __inline EXCEPTION_DISPOSITION
__wine_finally_handler( struct _EXCEPTION_RECORD *record, void *frame,
struct _CONTEXT *context, void *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 */
/* Exception handling flags - from OS/2 2.0 exception handling */
/* Win32 seems to use the same flags as ExceptionFlags in an EXCEPTION_RECORD */
@@ -335,11 +239,104 @@ __wine_finally_handler( struct _EXCEPTION_RECORD *record, void *frame,
extern void __wine_enter_vm86( CONTEXT *context );
static __inline WINE_EXCEPTION_FILTER(__wine_pagefault_filter)
#ifndef USE_COMPILER_EXCEPTIONS
/* wrapper for RtlUnwind since it clobbers registers on Windows */
static inline void __wine_rtl_unwind( EXCEPTION_REGISTRATION_RECORD* frame, EXCEPTION_RECORD *record )
{
if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
return EXCEPTION_CONTINUE_SEARCH;
return EXCEPTION_EXECUTE_HANDLER;
#if defined(__GNUC__) && defined(__i386__)
int dummy1, dummy2, dummy3;
__asm__ __volatile__("pushl %%ebp\n\t"
"pushl %%ebx\n\t"
"pushl $0\n\t"
"pushl %2\n\t"
"pushl $0\n\t"
"pushl %1\n\t"
"call *%0\n\t"
"popl %%ebx\n\t"
"popl %%ebp"
: "=a" (dummy1), "=S" (dummy2), "=D" (dummy3)
: "0" (RtlUnwind), "1" (frame), "2" (record)
: "ecx", "edx", "memory" );
#else
RtlUnwind( frame, 0, record, 0 );
#endif
}
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;
__wine_rtl_unwind( frame, record );
__wine_pop_frame( frame );
siglongjmp( wine_frame->jmp, 1 );
}
static inline EXCEPTION_DISPOSITION
__wine_exception_handler( struct _EXCEPTION_RECORD *record, void *frame,
struct _CONTEXT *context, void *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 EXCEPTION_DISPOSITION
__wine_exception_handler_page_fault( struct _EXCEPTION_RECORD *record, void *frame,
struct _CONTEXT *context, void *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 EXCEPTION_DISPOSITION
__wine_exception_handler_all( struct _EXCEPTION_RECORD *record, void *frame,
struct _CONTEXT *context, void *pdispatcher )
{
if (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND | EH_NESTED_CALL))
return ExceptionContinueSearch;
__wine_unwind_frame( record, frame );
}
static inline EXCEPTION_DISPOSITION
__wine_finally_handler( struct _EXCEPTION_RECORD *record, void *frame,
struct _CONTEXT *context, void *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 */
#ifdef __cplusplus
}
#endif
#endif /* __WINE_WINE_EXCEPTION_H */