AlpcpDereferenceBlobEx

VOID __stdcall AlpcpDereferenceBlobEx(PVOID Blob, INT64 References){
  signed __int64 BugCheckParameter4; 
  __int64 v4; 
  char *v5; 
  BugCheckParameter4 = -(int)References
                     + _InterlockedExchangeAdd64((volatile signed __int64 *)Blob - 3, -(int)References);
  if( BugCheckParameter4 <= 0 )
  {
    if( BugCheckParameter4 )
      KeBugCheckEx(0x18u, 0i64, (ULONG_PTR)Blob, 0x21ui64, BugCheckParameter4);
    v4 = AlpcpRegisteredTypes[(unsigned __int8)*((char *)Blob - 31)];
    (*(void(**)(void))(v4 + 24))();
    if( (*(int(__fastcall **)(PVOID))(v4 + 40))(Blob) >= 0 )
    {
      if( (*((char *)Blob - 32) & 2) != 0 )
      {
        ExFreeToNPagedLookasideList(
          (NPAGED_LOOKASIDE_LIST *)&AlpcpLookasides[16 * (unsigned __int64)*(unsigned int *)(v4 + 8)],
          (char *)Blob - 48);
      }
      else
      {
        v5 = (char *)Blob - 48;
        if( *(_QWORD *)(v4 + 48) )
          ((void(__fastcall *)(char *))AlpcpLookasides[16 * (unsigned __int64)*(unsigned int *)(v4 + 8) + 7])(v5);
        else
          ExFreePoolWithTag(v5, *(_DWORD *)(v4 + 4));
      }
    }
  }
}

Referenced by: