From: Pedro Alves <palves@redhat.com>
To: Samuel Bronson <naesten@gmail.com>, gdb@sourceware.org
Cc: binutils@sourceware.org
Subject: Re: vdso handling
Date: Fri, 06 Jun 2014 12:45:00 -0000 [thread overview]
Message-ID: <5391B7CE.7000500@redhat.com> (raw)
In-Reply-To: <87a99w2wxw.fsf@naesten.mooo.com>
On 06/01/2014 09:31 PM, Samuel Bronson wrote:
> Pedro Alves <palves@redhat.com> writes:
>> Some glibc versions even include the vdso in the DSO list (*), and GDB
>> should be able to tell that that DSO is the vDSO (by matching addresses), and
> ^^^^^^^^^^^^^^^^^^^^^
> Hmm, why don't we already do that? It's bound to be easier than meeting
> the conditions to get glibc to stop falsely cliaming that the vDSO comes
> from a file <https://sourceware.org/bugzilla/show_bug.cgi?id=13097#c5>.
Dunno. Because nobody has done it?
I suppose that's what Ulrich meant in
<https://sourceware.org/bugzilla/show_bug.cgi?id=13097#c1>.
>> (*) note how linux-vdso.so.1 is listed by ldd, even if "info shared" in gdb
>> doesn't show it, on some systems.
>
> What versions don't list the vdso under some name or other? (Mine calls
> it linux-gate.so.1 for some reason.)
I don't know versions numbers, but all before the glibc commit
mentioned in <https://sourceware.org/bugzilla/show_bug.cgi?id=13097#c1>
I guess, and also, see the rest of the discussion there, indicating
that Fedora carries a reversion of the offending patch.
--
Pedro Alves
next prev parent reply other threads:[~2014-06-06 12:45 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-10 13:05 Metzger, Markus T
2014-03-12 7:17 ` Alan Modra
2014-03-12 11:31 ` Mike Frysinger
2014-03-12 17:34 ` Doug Evans
2014-03-12 20:23 ` Cary Coutant
2014-03-13 1:01 ` Alan Modra
2014-03-13 8:25 ` Metzger, Markus T
2014-03-13 9:48 ` Metzger, Markus T
2014-03-13 10:07 ` Pedro Alves
2014-03-13 10:46 ` Pedro Alves
2014-06-01 23:45 ` Samuel Bronson
2014-06-06 12:45 ` Pedro Alves [this message]
2014-03-13 13:13 ` Alan Modra
2014-03-13 9:52 ` Mark Wielaard
2014-03-13 13:03 ` Alan Modra
2014-03-13 14:38 ` Mark Wielaard
2014-03-13 14:59 ` Pedro Alves
2014-03-13 15:04 ` Pedro Alves
2014-03-13 15:26 ` Pedro Alves
2014-03-13 23:53 ` Alan Modra
2014-03-18 15:14 ` Metzger, Markus T
2014-03-18 23:10 ` Alan Modra
2014-03-19 8:11 ` Metzger, Markus T
2014-03-19 8:31 ` Metzger, Markus T
2014-03-19 12:04 ` Pedro Alves
2014-03-20 2:00 ` Alan Modra
2014-03-21 15:55 ` Pedro Alves
2014-03-26 9:32 ` Metzger, Markus T
2014-03-19 12:03 ` Pedro Alves
2014-03-20 1:33 ` Alan Modra
2014-03-21 8:10 ` Metzger, Markus T
2014-03-21 15:48 ` Pedro Alves
2014-03-28 6:13 ` Alan Modra
2014-03-28 13:38 ` Pedro Alves
2014-03-28 23:00 ` Alan Modra
2014-04-01 13:46 ` Pedro Alves
2014-04-02 1:50 ` Alan Modra
2014-04-02 8:05 ` Metzger, Markus T
2014-04-02 8:04 ` Hans-Peter Nilsson
2014-04-03 1:06 ` Alan Modra
2014-04-03 1:46 ` Alan Modra
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