Message-ID: <39998E7F.E1E2E915@addr.com>
From: Ardy Falls <ardy AT addr DOT com>
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Newsgroups: comp.os.msdos.djgpp
Subject: Re: Another DXE question
References: <3994FC92 DOT B2795AF1 AT addr DOT com> <966343147 DOT 283755 AT shelley DOT paradise DOT net DOT nz>
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Date: Tue, 15 Aug 2000 11:39:59 -0700
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To: djgpp AT delorie DOT com
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I tryed to do this with __dpmi_int and it cause my computer to crash. why?

Edmund Horner wrote:

> The typical method of using external functions in a DXE is to pass a
> structure containing pointers to those functions to the DXE.  For example:
>
> struct IMPORTS
> {
>     size_t (* malloc) (size_t);
>     void (* free) (void *);
> } imports;
>
> dxe = _dxe_load ("alloctest.dxe");
> dxe (&imports);
>
> Inside the DXE you can use (for example):
>
> void alloctest (struct IMPORTS *imports)
> {
>     char *x;
>
>     x = imports->malloc (100);
>     imports->free (x);
> }
>
> This is the way I do things...
>
> "Ardy Falls" <ardy AT addr DOT com> wrote in message
> news:3994FC92 DOT B2795AF1 AT addr DOT com...
> > To get around the unresolved externals problem could you somehow
> > combine a cpp file with a object file?
> > the reason I'm asking is because I am making a graphics lib where you
> > can dynamically load in drivers that are specific to the users video
> > card and a lot of the functions are asm files that are turned to .o
> > files using nasm.
> > Thanks
> >             Ardy
> >             http://www.addr.com/~ardy/
> >