From: dfawcus+lists-tuhs@employees.org (Derek Fawcus)
Subject: [TUHS] Emacs and undump
Date: Mon, 27 Feb 2017 14:33:02 +0000 [thread overview]
Message-ID: <20170227143302.GA15427@cowbell.employees.org> (raw)
In-Reply-To: <CAH1jEzbRbAOWkZz8+DR7zRLpUUR4f0UcJZfV8fS=DMYCYDgQvw@mail.gmail.com>
On Mon, Feb 27, 2017 at 07:12:09PM +1100, Nick Downing wrote:
> I've been having a bit of trouble with /bin/sh (Bourne's original one)
> for the same reason.
[snip]
> Trouble is, this makes a non-stdio-using program be
> stdio-using, in the worst case it's a non-stdio-using program that has
> its own malloc() based on sbrk()... so we get another malloc()
> happening in the middle, I temporarily fixed this by redirecting the
> modern system's malloc() into the ancient system's malloc() but this
> is a very non desirable solution. As another possibility I was
> thinking of changing the ancient system's sbrk() into realloc() and
> implementing a routine to relocate the heap, it obviously would have
> to understand everything on the heap and everything that can point
> into it.
How about applying Geoff Collyer's change to the shell memory management
routine available here:
http://www.collyer.net/who/geoff/stak.port.c
DF
next prev parent reply other threads:[~2017-02-27 14:33 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 [this message]
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
[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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