From: Mike Frysinger <vapier@gentoo.org>
To: Jan Kratochvil <jan.kratochvil@redhat.com>
Cc: Pedro Alves <palves@redhat.com>, gdb-patches@sourceware.org
Subject: Re: [patch+7.5.1] Work around PR libc/13097 "linux-vdso.so.1" #3
Date: Thu, 29 Nov 2012 01:07:00 -0000 [thread overview]
Message-ID: <201211282007.50063.vapier@gentoo.org> (raw)
In-Reply-To: <20121128224421.GA31724@host2.jankratochvil.net>
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On Wednesday 28 November 2012 17:44:21 Jan Kratochvil wrote:
> On Wed, 28 Nov 2012 01:20:15 +0100, Pedro Alves wrote:
> > I mentioned that this change could make it possible to find the separate
> > debug file by name.
>
> I do not see how it could work, vDSO does not have and cannot have any disk
> filename in L_NAME.
>
> Besides that even if there was a way non-build-id verification should never
> be implemented for anything new, it does not work well and there is no
> reason for it.
the existing mechanisms might not translate cleanly to providing symbol
information for vdso's. but i think it's worth figuring out. i don't think
Linux is alone when it comes to vdso type functionality ... certainly
*BSD/Solaris does something similar ?
-mike
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next prev parent reply other threads:[~2012-11-29 1:07 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-22 20:17 Jan Kratochvil
2012-11-23 11:30 ` Luis Gustavo
2012-11-23 11:41 ` Jan Kratochvil
2012-11-23 11:59 ` Luis Machado
2012-11-23 12:03 ` Pedro Alves
2012-11-23 12:40 ` Jan Kratochvil
2012-11-23 14:05 ` Luis Machado
2012-11-23 14:07 ` Jan Kratochvil
2012-11-23 16:01 ` Pedro Alves
2012-11-23 16:12 ` Mark Kettenis
2012-11-23 16:17 ` Jan Kratochvil
2012-11-23 16:23 ` Pedro Alves
2012-11-23 17:28 ` Joel Brobecker
2012-11-23 18:17 ` Jan Kratochvil
2012-11-23 18:22 ` Pedro Alves
2012-11-27 21:58 ` Mike Frysinger
2012-11-27 23:00 ` Matt Rice
2012-11-28 1:12 ` Pedro Alves
2012-11-28 20:39 ` Mike Frysinger
2012-11-28 22:44 ` Jan Kratochvil
2012-11-29 1:07 ` Mike Frysinger [this message]
2012-11-23 12:43 ` Mark Kettenis
2012-11-23 16:30 ` H.J. Lu
2012-11-23 18:19 ` Pedro Alves
2012-11-23 18:43 ` Jan Kratochvil
2012-11-25 18:15 ` Jan Kratochvil
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