From: cwalsh AT nf DOT sympatico DOT ca (Colin Walsh)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: COM Update
Date: 9 Sep 97 21:21:11 GMT
Organization: Colossal Software
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References: <5v3u1d$qak AT ds2 DOT acs DOT ucalgary DOT ca>
Reply-To: cwalsh AT nf DOT sympatico DOT ca
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In article <5v3u1d$qak AT ds2 DOT acs DOT ucalgary DOT ca>
Matthew Mastracci <mmastrac AT acs DOT ucalgary DOT ca> wrote:

>      Whoops- looks like I was a little hasty saying that the objects could
> be stored in .DXE files.  I didn't realize that a .DXE has to be
> single-section.  I think I may be able to compile the drivers as .EXE
> files, have them create an instance of the class and call an interrupt to
> pass the selector:offset of the class's pointer to the main program.  This
> way, there isn't a "proxy" between function calls (they call the class
> functions as if the class was allocated in the program).
> 
> I can't see any immediate problems here, but I'll keep everyone posted.
> 
> /\/\att /\/\astracci                  mmastrac AT acs DOT ucalgary DOT ca
> 
> GCS/GE    d- s+:+ a--- C++++ UA P+ L E-- W+ N++ o K+ w+ O M- V 
>           PS++ PE++ Y+ PGP t+++ 5+++ X++ R++ tv+ b+++ DI++++ I 
>           G++ e h r* z?

I may know of a solution to your DXE problem. A friend of mine, Luke Bishop, has made a dynamic library
type called DLX, and, it can support multiple functions.

It can be found at...
oak.oakland.edu/pub/simtelnet/gnu/djgpp/v2tk/lbdlx100.zip

Hope this helps,
Colin Walsh
cwalsh AT nf DOT sympatico DOT ca