Subject: Re: HEADS UP: migration to fully dynamic linked "base" system
To: NetBSD-current Discussion List <current-users@NetBSD.ORG>
From: Nathan J. Williams <email@example.com>
Date: 08/26/2002 17:45:02
firstname.lastname@example.org (Greg A. Woods) writes:
> I also know that I don't want it to ever be possible on at least some of
> my systems (and perhaps even all of them) for a static linked program to
> dynamically link new code into itself.
You realize that on various architectures, including our most popular
(x86), any program can do this by just reading new code into memory,
since all readable memory is automatically executable? Your constraint
is therefore impossible on those architectures.