From: imp@bsdimp.com (Warner Losh)
Subject: [TUHS] shared objects in Unix
Date: Thu, 29 Mar 2018 17:22:41 -0600 [thread overview]
Message-ID: <CANCZdfryz5AwaC8xhKZNMTN5eFL8O+SqyJPYTB34RohW_XAAPA@mail.gmail.com> (raw)
In-Reply-To: <alpine.BSF.2.21.1803301009140.3361@aneurin.horsfall.org>
On Mar 29, 2018 5:12 PM, "Dave Horsfall" <dave at horsfall.org> wrote:
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.
Shared libraries were 4.0 due to the new mmap call. These were a.out based
I'm pretty sure.
Warner
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next prev parent reply other threads:[~2018-03-29 23:22 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-29 21:37 Paul Winalski
2018-03-29 22:01 ` Henry Bent
2018-03-29 22:26 ` Warner Losh
2018-03-29 23:11 ` Dave Horsfall
2018-03-29 23:22 ` Warner Losh [this message]
2018-03-29 23:24 ` Larry McVoy
2018-03-30 0:22 ` Clem Cole
2018-03-30 1:46 ` Larry McVoy
2018-03-30 4:28 ` Clem cole
2018-03-30 20:52 ` Jon Forrest
2018-03-30 22:42 ` Clem Cole
2018-03-30 23:29 ` Paul Winalski
2018-04-03 15:49 ` Derek Fawcus
2018-03-30 1:20 ` Lyndon Nerenberg
2018-03-30 0:40 ` Clem Cole
2018-03-30 1:35 ` Charles H. Sauer
2018-03-30 2:10 ` Larry McVoy
2018-03-30 2:34 ` Charles H. Sauer
2018-03-30 3:04 ` Warner Losh
2018-03-30 20:33 ` Charles H Sauer
2018-03-30 3:00 ` Ron Natalie
2018-03-30 21:53 ` Steve Johnson
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