Date: Sun, 31 Oct 1999 10:02:08 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
X-Sender: eliz AT is
To: Bill <london222 AT netzero DOT net>
cc: djgpp AT delorie DOT com
Subject: Re: Executing a program without explicitly writing to disk
In-Reply-To: <00c601bf224a$55d35220$6178fea9@nd1hp>
Message-ID: <Pine.SUN.3.91.991031100141.2988a-100000@is>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Reply-To: djgpp AT delorie DOT com
X-Mailing-List: djgpp AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com
Precedence: bulk


On Fri, 29 Oct 1999, Bill wrote:

> Is it possible for an embedded program to be executed without
> writing the program to disk?
> 
> I'm thinking perhaps of some way to issue a jump to the where
> the embedded program is stored in memory and then transfer
> execution back to the original program once the embedded program
> has terminated.

I don't understand why do you think you need to write the program to
the disk.  Care to explain?

If you want to run a DJGPP program on a diskless machine, all you need
to do is to change the stub loader so that it reads program from memory
instead of a disk file.