PsAltSystemCallDispatch

INT64 __stdcall PsAltSystemCallDispatch(){
  char v0; 
  __int64(*v1)(void); 
  v0 = *((_BYTE *)KeGetCurrentThread() + 3);
  if( (v0 & 4) != 0 )
  {
    v1 = (__int64(*)(void))PsAltSystemCallHandlers[0];
  }
  else
  {
    if( (v0 & 0x20) == 0 )
      goto LABEL_7;
    v1 = (__int64(*)(void))qword_140CFB7A0;
  }
  if( (unsigned __int64)v1 < 2 )
LABEL_7:
    KeBugCheckEx(0x1E0u, 4ui64, 0i64, 0i64, 0i64);
  return v1();
}

Referenced by:

KiSystemCall64