Re: [Mingw-users] Re: Mingw GCC link problem

[Oscar F. <of...@wa...>]

Benjamin Riefenstahl <Ben...@ep...> writes:

> > _ Virtual Tables looks like they are the same, because
> > using COM with Mingw is possible.
> > 
> > So what other difference exist ?
> 
> There are a couple of other areas in C++ that are not covered by COM.
> Issues that come to my mind immediately: Calls to non-virtual
> methods,

Indeed. MSVC++ passes 'this' on the ECX register, g++ passes 'this' on
the stack. I think there are not options to change this behavior.

> handling of multiple inheritance, exception handling, layout and
> internal usage of RTTI, dynamic_cast<> mechanism, probably more.  Some
> of these may be similar to VC++, but several of them are surely
> different.

-- 
Oscar