From: Alexander Monakov <amonakov@ispras.ru>
To: musl@lists.openwall.com
Subject: Re: ppc soft-float regression
Date: Mon, 25 May 2015 16:40:46 +0300 (MSK) [thread overview]
Message-ID: <alpine.LNX.2.11.1505251636360.2914@monopod.intra.ispras.ru> (raw)
In-Reply-To: <20150525132631.GB20259@port70.net>
On Mon, 25 May 2015, Szabolcs Nagy wrote:
> * Jens Gustedt <jens.gustedt@inria.fr> [2015-05-25 09:44:44 +0200]:
> > Am Montag, den 25.05.2015, 02:57 -0400 schrieb Rich Felker:
> > > 2. If cnt<LIMIT (e.g. 16k), produce VLA of the right size; otherwise
> > > produce VLA of size 1 and pass a null pointer instead of a pointer
> > > to the VLA.
> >
> > Ok, so we have a simple sanity check, great.
> >
>
> btw the stack usage of libc should be documented
>
> currently a libc call always uses less than 10K stack(*)
> but the guaranteed limit is not documented (16K limit is
> fine i guess).
Not true: fmt_fp consumes more that LDBL_MAX_EXP bytes, which is 16384 on x86
and aarch64. As I recall, there's another function with >16K static stack
usage in the resolver, but I forget where exactly.
Alexander
next prev parent reply other threads:[~2015-05-25 13:40 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-17 8:03 Waldemar Brodkorb
2015-05-17 10:02 ` Felix Janda
2015-05-17 16:37 ` Rich Felker
2015-05-17 17:50 ` Felix Janda
2015-05-17 18:15 ` Felix Janda
2015-05-17 19:56 ` Felix Janda
2015-05-18 18:39 ` Felix Janda
2015-05-18 20:10 ` Rich Felker
2015-05-18 20:14 ` Rich Felker
2015-05-18 22:07 ` Felix Janda
2015-05-22 6:23 ` Rich Felker
2015-05-24 3:08 ` Rich Felker
2015-05-25 0:36 ` Rich Felker
2015-05-25 6:31 ` Jens Gustedt
2015-05-25 6:57 ` Rich Felker
2015-05-25 7:44 ` Jens Gustedt
2015-05-25 13:26 ` Szabolcs Nagy
2015-05-25 13:40 ` Alexander Monakov [this message]
2015-05-25 14:35 ` Szabolcs Nagy
2015-05-25 14:45 ` Alexander Monakov
2015-05-25 21:45 ` Rich Felker
2015-05-25 22:46 ` Rich Felker
2015-05-25 23:51 ` Rich Felker
2015-05-17 13:06 ` Felix Janda
2015-05-17 16:35 ` Rich Felker
2015-05-17 17:20 ` Szabolcs Nagy
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