Your message dated Sun, 15 Feb 2009 17:08:15 +0100
with message-id <[email protected]>
and subject line Re: Bug#498030: gdb: make gdb print %ebp based backtraces
has caused the Debian Bug report #498030,
regarding gdb: make gdb print %ebp based backtraces
to be marked as done.
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498030: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=498030
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--- Begin Message ---
Package: gdb
Version: 6.8-3
Tags: patch
User: [email protected]
Usertags: origin-ubuntu ubuntu-patch intrepid
Hi!
With more recent glibc and gcc versions, gdb stack traces for stripped
binaries have become by and large useless. Most stack traces just have
a few ?? in them, and not even function names or libraries (which must
be present *somewhere* after all, otherwise the dynamic linker
couldn't even work).
This problem has been discussed in depth in a SUSE bug:
https://bugzilla.novell.com/show_bug.cgi?id=390722
Michael Matz wrote a patch which makes gdb resolve a lot more symbols.
I can't claim that I understand it at all, but since nobody from
Novell submitted this upstream, I play the messenger here. Please have
a look there for the entire discussion.
I monkey-patched it to cover x86_64 as well, and it works well for me:
http://patches.ubuntu.com/g/gdb/extracted/handle-nodebuginfo-better.patch
(See https://launchpad.net/bugs/111869)
I originally tried to create an upstream bug report, and just tried it
again, but this horrible piece of bug tracker [1] just sends them into
oblivion. So I send it here, maybe you know how to drive this thing.
:-)
Thank you!
[1] http://sourceware.org/cgi-bin/gnatsweb.pl?cmd=create&database=gdb
--
Martin Pitt | http://www.piware.de
Ubuntu Developer (www.ubuntu.com) | Debian Developer (www.debian.org)
--- End Message ---
--- Begin Message ---
Daniel Jacobowitz [2008-09-06 8:58 -0400]:
> Do you have an example where it makes a difference on x86_64?
I don't have had an amd64 machine at hand for a a long time, so let's
just forget about this for now. Closing.
Thanks,
Martin
--
Martin Pitt | http://www.piware.de
Ubuntu Developer (www.ubuntu.com) | Debian Developer (www.debian.org)
--- End Message ---
