From mboxrd@z Thu Jan  1 00:00:00 1970
From: dave@horsfall.org (Dave Horsfall)
Date: Fri, 30 Mar 2018 10:11:42 +1100 (EST)
Subject: [TUHS] shared objects in Unix
In-Reply-To: <CABH=_VQvhHKemfOOvVFSu9K+Go1LB5e2Ck214KdLJvtE--z8Hg@mail.gmail.com>
References: <CABH=_VQvhHKemfOOvVFSu9K+Go1LB5e2Ck214KdLJvtE--z8Hg@mail.gmail.com>
Message-ID: <alpine.BSF.2.21.1803301009140.3361@aneurin.horsfall.org>

On Thu, 29 Mar 2018, Paul Winalski wrote:

[...]

> What is the history of shared objects on Unix?  When did they first 
> appear, and with what object/executable file format?  The a.out ZMAGIC 
> format doesn't seem to support them.  I don't recall if COFF does. 
> MACH-O, at least the MacOS dialect of it, supports dynamic libraries. 
> ELF supports them.

I first saw 'em when they appeared in SunOS (can't remember which release) 
and thought they were wonderful, along with loadable drivers.

-- 
Dave Horsfall DTM (VK2KFU)  "Those who don't understand security will suffer."