reactos/include/reactos/wine/exception.h

   1 #ifndef __WINE_WINE_EXCEPTION_H
   2 #define __WINE_WINE_EXCEPTION_H
   3
   4 #include <setjmp.h>
   5 #include <intrin.h>
   6 #include <pseh/pseh2.h>
   7 #include <pseh/excpt.h>
   8
   9 #ifdef __cplusplus
  10 extern "C" {
  11 #endif
  12
  13 /* Win32 seems to use the same flags as ExceptionFlags in an EXCEPTION_RECORD */
  14 #define EH_NONCONTINUABLE   0x01
  15 #define EH_UNWINDING        0x02
  16 #define EH_EXIT_UNWIND      0x04
  17 #define EH_STACK_INVALID    0x08
  18 #define EH_NESTED_CALL      0x10
  19
  20 #define EXCEPTION_WINE_STUB       0x80000100
  21 #define EXCEPTION_WINE_ASSERTION  0x80000101
  22
  23 #define EXCEPTION_VM86_INTx       0x80000110
  24 #define EXCEPTION_VM86_STI        0x80000111
  25 #define EXCEPTION_VM86_PICRETURN  0x80000112
  26
  27 #ifndef _RTLTYPES_H
  28 typedef EXCEPTION_DISPOSITION (*PEXCEPTION_HANDLER)
  29                 (struct _EXCEPTION_RECORD*, void*, struct _CONTEXT*, void*);
  30
  31 struct _EXCEPTION_REGISTRATION_RECORD;
  32 typedef struct _EXCEPTION_REGISTRATION_RECORD EXCEPTION_REGISTRATION_RECORD, *PEXCEPTION_REGISTRATION_RECORD;
  33
  34 struct _EXCEPTION_REGISTRATION_RECORD
  35 {
  36     struct _EXCEPTION_REGISTRATION_RECORD * Prev;
  37     PEXCEPTION_HANDLER Handler;
  38 };
  39 #else
  40 typedef struct _WINE_EXCEPTION_REGISTRATION_RECORD
  41 {
  42     PVOID Prev;
  43     PEXCEPTION_ROUTINE Handler;
  44 } WINE_EXCEPTION_REGISTRATION_RECORD, *PWINE_EXCEPTION_REGISTRATION_RECORD;
  45
  46 #define _EXCEPTION_REGISTRATION_RECORD _WINE_EXCEPTION_REGISTRATION_RECORD
  47 #define EXCEPTION_REGISTRATION_RECORD WINE_EXCEPTION_REGISTRATION_RECORD
  48 #define PEXCEPTION_REGISTRATION_RECORD PWINE_EXCEPTION_REGISTRATION_RECORD
  49 #endif
  50
  51 #define __TRY _SEH2_TRY
  52 #define __EXCEPT(func) _SEH2_EXCEPT(func(_SEH2_GetExceptionInformation()))
  53 #define __EXCEPT_PAGE_FAULT _SEH2_EXCEPT(_SEH2_GetExceptionCode() == STATUS_ACCESS_VIOLATION)
  54 #define __EXCEPT_ALL _SEH2_EXCEPT(_SEH_EXECUTE_HANDLER)
  55 #define __ENDTRY _SEH2_END
  56 #define __FINALLY(func) _SEH2_FINALLY { func(!_SEH2_AbnormalTermination()); }
  57
  58 #ifndef GetExceptionCode
  59 #define GetExceptionCode() _SEH2_GetExceptionCode()
  60 #endif
  61
  62 #ifndef GetExceptionInformation
  63 #define GetExceptionInformation() _SEH2_GetExceptionInformation()
  64 #endif
  65
  66 #ifndef AbnormalTermination
  67 #define AbnormalTermination() _SEH2_AbnormalTermination()
  68 #endif
  69
  70
  71 #if defined(__MINGW32__) || defined(__CYGWIN__)
  72 #define sigjmp_buf jmp_buf
  73 #define sigsetjmp(buf,sigs) setjmp(buf)
  74 #define siglongjmp(buf,val) longjmp(buf,val)
  75 #endif
  76
  77 static inline EXCEPTION_REGISTRATION_RECORD *__wine_push_frame( EXCEPTION_REGISTRATION_RECORD *frame )
  78 {
  79 #ifdef __i386__
  80     frame->Prev = (struct _EXCEPTION_REGISTRATION_RECORD *)__readfsdword(0);
  81         __writefsdword(0, (unsigned long)frame);
  82     return frame->Prev;
  83 #else
  84     NT_TIB *teb = (NT_TIB *)NtCurrentTeb();
  85     frame->Prev = teb->ExceptionList;
  86     teb->ExceptionList = (PVOID)frame;
  87     return frame->Prev;
  88 #endif
  89 }
  90
  91 static inline EXCEPTION_REGISTRATION_RECORD *__wine_pop_frame( EXCEPTION_REGISTRATION_RECORD *frame )
  92 {
  93 #ifdef __i386__
  94         __writefsdword(0, (unsigned long)frame->Prev);
  95     return frame->Prev;
  96 #else
  97     NT_TIB *teb = (NT_TIB *)NtCurrentTeb();
  98     frame->Prev = teb->ExceptionList;
  99     teb->ExceptionList = (PVOID)frame;
 100     return frame->Prev;
 101 #endif
 102 }
 103
 104 extern void __wine_enter_vm86( CONTEXT *context );
 105
 106 #ifdef __cplusplus
 107 }
 108 #endif
 109
 110 #endif