sdk/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 struct _EXCEPTION_REGISTRATION_RECORD;
  29
  30 typedef
  31 DWORD
  32 (*PEXCEPTION_HANDLER)(
  33     struct _EXCEPTION_RECORD*,
  34     struct _EXCEPTION_REGISTRATION_RECORD *,
  35     struct _CONTEXT*,
  36     struct _EXCEPTION_REGISTRATION_RECORD**);
  37
  38 typedef struct _EXCEPTION_REGISTRATION_RECORD EXCEPTION_REGISTRATION_RECORD, *PEXCEPTION_REGISTRATION_RECORD;
  39
  40 struct _EXCEPTION_REGISTRATION_RECORD
  41 {
  42     struct _EXCEPTION_REGISTRATION_RECORD * Prev;
  43     PEXCEPTION_HANDLER Handler;
  44 };
  45 #else
  46 typedef struct _WINE_EXCEPTION_REGISTRATION_RECORD
  47 {
  48     PVOID Prev;
  49     PEXCEPTION_ROUTINE Handler;
  50 } WINE_EXCEPTION_REGISTRATION_RECORD, *PWINE_EXCEPTION_REGISTRATION_RECORD;
  51
  52 #define _EXCEPTION_REGISTRATION_RECORD _WINE_EXCEPTION_REGISTRATION_RECORD
  53 #define EXCEPTION_REGISTRATION_RECORD WINE_EXCEPTION_REGISTRATION_RECORD
  54 #define PEXCEPTION_REGISTRATION_RECORD PWINE_EXCEPTION_REGISTRATION_RECORD
  55 #endif
  56
  57 #define __TRY _SEH2_TRY
  58 #define __EXCEPT(func) _SEH2_EXCEPT(func(_SEH2_GetExceptionInformation()))
  59 #define __EXCEPT_PAGE_FAULT _SEH2_EXCEPT(_SEH2_GetExceptionCode() == STATUS_ACCESS_VIOLATION)
  60 #define __EXCEPT_ALL _SEH2_EXCEPT(_SEH_EXECUTE_HANDLER)
  61 #define __ENDTRY _SEH2_END
  62 #define __FINALLY(func) _SEH2_FINALLY { func(!_SEH2_AbnormalTermination()); }
  63
  64 #ifndef GetExceptionCode
  65 #define GetExceptionCode() _SEH2_GetExceptionCode()
  66 #endif
  67
  68 #ifndef GetExceptionInformation
  69 #define GetExceptionInformation() _SEH2_GetExceptionInformation()
  70 #endif
  71
  72 #ifndef AbnormalTermination
  73 #define AbnormalTermination() _SEH2_AbnormalTermination()
  74 #endif
  75
  76
  77 #if defined(__MINGW32__) || defined(__CYGWIN__)
  78 #define sigjmp_buf jmp_buf
  79 #define sigsetjmp(buf,sigs) setjmp(buf)
  80 #define siglongjmp(buf,val) longjmp(buf,val)
  81 #endif
  82
  83 #ifdef _MSC_VER
  84 #pragma warning(push)
  85 #pragma warning(disable:4733)
  86 #endif
  87
  88 static inline EXCEPTION_REGISTRATION_RECORD *__wine_push_frame( EXCEPTION_REGISTRATION_RECORD *frame )
  89 {
  90 #ifdef __i386__
  91     frame->Prev = (struct _EXCEPTION_REGISTRATION_RECORD *)__readfsdword(0);
  92         __writefsdword(0, (unsigned long)frame);
  93     return frame->Prev;
  94 #else
  95     NT_TIB *teb = (NT_TIB *)NtCurrentTeb();
  96     frame->Prev = teb->ExceptionList;
  97     teb->ExceptionList = (PVOID)frame;
  98     return frame->Prev;
  99 #endif
 100 }
 101
 102 static inline EXCEPTION_REGISTRATION_RECORD *__wine_pop_frame( EXCEPTION_REGISTRATION_RECORD *frame )
 103 {
 104 #ifdef __i386__
 105         __writefsdword(0, (unsigned long)frame->Prev);
 106     return frame->Prev;
 107 #else
 108     NT_TIB *teb = (NT_TIB *)NtCurrentTeb();
 109     frame->Prev = teb->ExceptionList;
 110     teb->ExceptionList = (PVOID)frame;
 111     return frame->Prev;
 112 #endif
 113 }
 114
 115 #ifdef _MSC_VER
 116 #pragma warning(pop)
 117 #endif
 118
 119 extern void __wine_enter_vm86( CONTEXT *context );
 120
 121 #ifdef __cplusplus
 122 }
 123 #endif
 124
 125 #endif