Path: utzoo!mnetor!uunet!husc6!cmcl2!brl-adm!brl-smoke!gwyn
From: gwyn@brl-smoke.ARPA (Doug Gwyn )
Newsgroups: comp.unix.wizards
Subject: Re: Aliasing text and data segments of a process
Message-ID: <7155@brl-smoke.ARPA>
Date: 21 Jan 88 16:48:17 GMT
References: <202@sdti.UUCP>
Reply-To: gwyn@brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 11

In article <202@sdti.UUCP> mjy@sdti.UUCP (Michael J. Young) writes:
>in which a program "compiles" a block of code into its data segment (created
>via malloc() perhaps?) and then tries to execute it.

In general, there is no support for doing this.  Some specific
implementations may have the necessary hooks, if the architecture
permits it.

There are several obvious alternative portable approaches to doing
something of this general nature.  Which to pursue would depend on
what you're really trying to accomplish, functionally.