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From: Andy Wingo <wingo@pobox.com>
To: "Ludovic Courtès" <ludo@gnu.org>
Cc: bug-guile@gnu.org
Subject: Re: [bug #29574] VM stack overflows aren't properly handled [1.9.10]
Date: Fri, 21 May 2010 13:27:43 +0200	[thread overview]
Message-ID: <m37hmxze8g.fsf@pobox.com> (raw)
In-Reply-To: <20100511-213337.sv15145.12077@savannah.gnu.org> ("Ludovic Courtès"'s message of "Tue, 11 May 2010 21:33:37 +0000")

Hi Ludo,

> I've come up with the following hack: a small VM stack space is reserved and
> made available only upon stack overflow, so that `throw' can run to
> completion.  (See attached patch.)

The patch didn't come through the mail, and I'm in an internetless cafe,
so I can't see it now -- but it seems a somewhat sane hack.

Did you see Dybvig's paper about underflow and overflow handlers? That
does solve this problem in a more robust way, including allowing for
stack extension instead of thrown exceptions. Of course that's probably
a larger project.

Andy
-- 
http://wingolog.org/



  reply	other threads:[~2010-05-21 11:27 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-04-16  9:01 [bug #29574] VM stack overflows aren't properly handled [1.9.10] Ludovic Courtès
2010-05-11 21:33 ` Ludovic Courtès
2010-05-21 11:27   ` Andy Wingo [this message]
2010-05-22  9:34     ` Ludovic Courtès
2010-05-22 14:39       ` Andy Wingo
2010-05-22 15:55         ` Ludovic Courtès
2010-05-24 14:51           ` Ken Raeburn
2010-05-26 21:56   ` Ludovic Courtès

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