From: dot@dotat.at (Tony Finch)
Subject: [TUHS] Emacs and undump
Date: Mon, 27 Feb 2017 15:13:08 +0000 [thread overview]
Message-ID: <alpine.DEB.2.11.1702271505230.13590@grey.csi.cam.ac.uk> (raw)
In-Reply-To: <58b400e9.dJ2hxgoDSpv/lfTa%schily@schily.net>
Joerg Schilling <schily at schily.net> wrote:
>
> BTW: undump(1) has been announced on a Sun User Group in 1987, but the
> next year, SunOS-4.0 came out and made things much harder to implement.
>
> I did never see an updated undump(1) source that would be able to deal with
> SunOS-4.0 and it's shared libraries. Does it exist?
Emacs uses a thing called "unexec", or rather several things, one for each
OS, with varying complexity and fearsomeness.
The SunOS one was deleted in 2008:
http://git.savannah.gnu.org/cgit/emacs.git/commit/?id=2a5cb2584f9ca171ad4310a464d6236e5f005b0e
The Solaris one is the easiest, because dldump() is part of the OS:
http://git.savannah.gnu.org/cgit/emacs.git/tree/src/unexsol.c?id=4daca38d5c673c5b6862e10cfade9559852cce12
Of course, the most popular systems (generic ELF, Windows, and Mac OS)
have the most complicated implementations of unexec.
Tony.
--
f.anthony.n.finch <dot at dotat.at> http://dotat.at/ - I xn--zr8h punycode
Hebrides, Bailey: Cyclonic 7 to severe gale 9, occasionally storm 10 later.
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next prev parent reply other threads:[~2017-02-27 15:13 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.334.1488132096.3779.tuhs@minnie.tuhs.org>
2017-02-26 19:16 ` David
2017-02-26 19:28 ` Mantas Mikulėnas
2017-02-27 6:41 ` Tim Bradshaw
2017-02-27 7:19 ` Lars Brinkhoff
2017-02-27 7:26 ` Warner Losh
2017-02-27 8:12 ` Nick Downing
2017-02-27 14:33 ` Derek Fawcus
2017-02-27 14:50 ` Nick Downing
2017-02-27 15:43 ` Derek Fawcus
2017-02-27 16:43 ` Joerg Schilling
[not found] ` <CAH1jEzZjvOhHnbvsWcw8gbx9d_W47DbBidYd_tteCr5dC6H2ng@mail.gmail.com>
2017-02-28 0:02 ` Nick Downing
2017-02-27 12:59 ` tfb
2017-02-27 10:35 ` Joerg Schilling
2017-02-27 15:13 ` Tony Finch [this message]
[not found] <mailman.342.1488180370.3779.tuhs@minnie.tuhs.org>
2017-02-27 10:24 ` Johnny Billquist
2017-02-27 10:30 ` Lars Brinkhoff
2017-02-27 10:47 ` Johnny Billquist
2017-02-27 14:04 ` Arthur Krewat
2017-02-28 11:55 ` Ronald Natalie
[not found] <mailman.346.1488208394.3779.tuhs@minnie.tuhs.org>
2017-02-27 20:09 ` Johnny Billquist
2017-02-27 20:26 ` Lars Brinkhoff
2017-02-27 21:06 ` Johnny Billquist
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