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Message-ID: <20191021053829.GG16318@brightrain.aerifal.cx>
Date: Mon, 21 Oct 2019 01:38:29 -0400
From: Rich Felker <dalias@...c.org>
To: musl@...ts.openwall.com
Subject: Re: another armv7-m exception handling problem
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@...c.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
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