From: Michael Matz <matz@suse.de>
To: "H.J. Lu" <hjl.tools@gmail.com>
Cc: Carlos O'Donell <carlos@redhat.com>,
Alan Modra <amodra@gmail.com>,
gnu-gabi@sourceware.org
Subject: Re: Specify how undefined weak symbol should be resolved in executable
Date: Fri, 01 Jan 2016 00:00:00 -0000 [thread overview]
Message-ID: <alpine.LSU.2.20.1602241628540.20277@wotan.suse.de> (raw)
In-Reply-To: <CAMe9rOqnfqM_jriQiF4v4OZ0309nHP5mNbz3PZbHs7WGrqhNJQ@mail.gmail.com>
Hi,
On Wed, 24 Feb 2016, H.J. Lu wrote:
> > Agreed. Anything that brings back weak symbols into the dynamic loader
> > is going to be highly suspect to me, and require a lot of explaining.
>
> I was saying as far as ld was concerned, weak defined and non-weak
> defined dynamic symbols would be treated equally at run-time. Do you
> agree with me?
I at least don't. The difference is that a defined weak symbol (at link
edit time) might become undefined at runtime. A defined non-weak symbol
can't. So they have to be handled differently.
Ciao,
Michael.
next prev parent reply other threads:[~2016-02-24 15:30 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-01 0:00 H.J. Lu
2016-01-01 0:00 ` H.J. Lu
2016-01-01 0:00 ` Michael Matz
2016-01-01 0:00 ` H.J. Lu
2016-01-01 0:00 ` Michael Matz
2016-01-01 0:00 ` H.J. Lu
2016-01-01 0:00 ` H.J. Lu
2016-01-01 0:00 ` H.J. Lu
2016-01-01 0:00 ` H.J. Lu
2016-01-01 0:00 ` Alan Modra
2016-01-01 0:00 ` H.J. Lu
2016-01-01 0:00 ` Michael Matz
2016-01-01 0:00 ` H.J. Lu
2016-01-01 0:00 ` Michael Matz
2016-01-01 0:00 ` H.J. Lu
2016-01-01 0:00 ` H.J. Lu
2016-01-01 0:00 ` Alan Modra
2016-01-01 0:00 ` H.J. Lu
2016-01-01 0:00 ` Alan Modra
2016-01-01 0:00 ` Carlos O'Donell
2016-01-01 0:00 ` H.J. Lu
2016-01-01 0:00 ` Michael Matz [this message]
2016-01-01 0:00 ` H.J. Lu
2016-01-01 0:00 ` Michael Matz
2016-01-01 0:00 ` H.J. Lu
2016-01-01 0:00 ` Michael Matz
2016-01-01 0:00 ` H.J. Lu
2016-01-01 0:00 ` H.J. Lu
2016-01-01 0:00 ` Michael Matz
2016-01-01 0:00 ` H.J. Lu
2016-01-01 0:00 ` Michael Matz
2016-01-01 0:00 ` Szabolcs Nagy
2016-01-01 0:00 ` Michael Matz
2016-01-01 0:00 ` H.J. Lu
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