Re: com and gcc question

To: mass@ufl.edu (David Waite)
Subject: Re: com and gcc question
From: Godmar Back <gback@cs.utah.edu>
Date: Wed, 22 Sep 1999 11:36:25 -0600 (MDT)
Cc: oskit-users@cs.utah.edu
In-Reply-To: <LOBBJHDIGBAHKHILKEMJEEHICCAA.mass@ufl.edu> from "David Waite" at Sep 22, 99 06:56:11 am
Sender: owner-oskit-users@fast.cs.utah.edu


I believe it's that the vtable is not simply a contiguous array of
function pointers as in COM, but that it has other information interleaved 
which is used for gcc's implementation of multiple inheritance.  If you 
want to find out for sure, use gcc -S and look at the assembly code.

	- Godmar

> 
> What actually is the problem with gcc's c++ compiler so it isn't compatible
> with com ?(i.e. that you can't inherit from IUnknown and get a vtable out of
> it somehow)
> 
> -David Waite
>

Follow-Ups:

Re: com and gcc question

From: Pat Villani <patv@monmouth.com>

References:

RE: com and gcc question

From: "David Waite" <mass@ufl.edu>