Why does gdb now give lots of warnings?
Andrew Haley
aph at redhat.com
Fri Jan 4 16:53:09 UTC 2008
Jan Kratochvil writes:
> On Fri, 04 Jan 2008 17:19:42 +0100, Andrew Haley wrote:
> > Jan Kratochvil writes:
> ...
> > > I am open for some more convenient interface - currently going to print also
> > > the shared library name there.
> >
> > That would do it. Something really simple like "Missing debuginfo for
> > shared object XXXXglibc.soXXX".
>
> Suggesting this one?
> Missing debuginfo for shared object ld-linux-x86-64.so.2
>
> There is no easy chance how to install the associated debuginfos using YUM from
> such messages. And `debuginfo-install <appname>' will not work in all cases
> - at least not fot dlopen()ed libraries - such as the 'nss*' packages.
>
> Printing the rpm Provides keyword would make it already RPM/Fedora specific
> Missing debuginfo for shared object ld-linux-x86-64.so.2()(64bit)
> and still deriving the -debuginfo package name from it is not easy enough.
>
>
> Possibly printing
> warning: Missing the separate debug info file: /usr/lib/debug/lib64/ld-linux-x86-64.so.2.debug
> may be more convenient while still usable for YUM?
>
>
> It would still print
> warning: Missing the separate debug info file: /usr/lib/debug/.build-id/fa/841219472d35412ad631ad0f0fabb78e5c1957.debug
> if the .debug file exists but it is not matching the required version
> - otherwise that would contradict the purpose of the F8 `build-id' feature
> http://fedoraproject.org/wiki/Releases/FeatureBuildId
>
>
> > > (GDB cannot print anything about rpms.)
> >
> > I'll take your word for that.
>
> OK, you are right Fedora GDB could; the build-id support messages should be
> cross-OS ones, this loading feature is still not imported into upstream GDB and
> it is heading there.
Sure, but we could have a simple local message like
Try "yum install /usr/lib/debug/.build-id/72/67a2ecd318b0f87a0747a6986d0d6dc01c6d8d.debug"
I learnt only today that would work...
Andrew.
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