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From: Rich Felker <dalias@libc.org>
To: musl@lists.openwall.com
Subject: Re: another armv7-m exception handling problem
Date: Mon, 21 Oct 2019 01:38:29 -0400	[thread overview]
Message-ID: <20191021053829.GG16318@brightrain.aerifal.cx> (raw)
In-Reply-To: <CAEg67G=BmSoqJp5F4_CNF0YLAZkNMeBoghGFP277mJcacp65+A@mail.gmail.com>

On Mon, Oct 21, 2019 at 04:34:07PM +1100, Patrick Oppenlander wrote:
> On Mon, Oct 21, 2019 at 4:20 PM Rich Felker <dalias@libc.org> wrote:
> >
> > On Mon, Oct 21, 2019 at 01:04:11AM -0400, Rich Felker wrote:
> > >
> > > OK, this is almost surely a bug in the tooling -- a weak reference has
> > > to use a GOT slot in PIC since it might be undefined and need to
> > > evaluate to 0, and the GOT slot should not have a relocation on it if
> > > it ends up evaluating to 0. Pretty sure it's ld's fault.
> 
> Makes sense. Should I report to the binutils guys?

I think so, but it would probably be worth determining whether it's
arm-specific or more general first so that the report gets to the
right ppl. I can try it on some other archs tomorrow.

Rich


  reply	other threads:[~2019-10-21  5:38 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-21  4:43 Patrick Oppenlander
2019-10-21  5:04 ` Rich Felker
2019-10-21  5:20   ` Rich Felker
2019-10-21  5:34     ` Patrick Oppenlander
2019-10-21  5:38       ` Rich Felker [this message]
2019-10-21  5:51         ` Patrick Oppenlander
2019-10-21 18:09 ` Szabolcs Nagy
2019-10-21 19:03   ` Rich Felker
2019-10-21 19:08     ` Szabolcs Nagy
2019-10-21 19:29       ` Rich Felker
2020-01-10 10:22         ` Szabolcs Nagy
2020-01-11  6:20           ` Patrick Oppenlander
2019-10-21 21:17   ` Patrick Oppenlander

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