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Re: Final separate debug info patch
- From: Alexander Larsson <alexl at redhat dot com>
- To: Jim Blandy <jimb at redhat dot com>
- Cc: gdb at sources dot redhat dot com, Ulrich Drepper <drepper at redhat dot com>
- Date: Tue, 19 Nov 2002 06:57:13 -0500 (EST)
- Subject: Re: Final separate debug info patch
On 19 Nov 2002, Jim Blandy wrote:
> Alexander Larsson <alexl@redhat.com> writes:
> > On 19 Nov 2002, Jim Blandy wrote:
> >
> > >
> > > It looks like the stripping process may break some executables. If $D
> > > is the top directory of a current GDB source tree, try this:
> > >
> > > $ g++ --version
> > > g++ (GCC) 3.3 20020820 (experimental)
> > > Copyright (C) 2002 Free Software Foundation, Inc.
> > > This is free software; see the source for copying conditions. There is NO
> > > warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> > >
> > > $ g++ -g $D/gdb/testsuite/gdb.c++/try_catch.cc -o try_catch
> > > $ ./try_catch
> > > $ /home/jimb/elfutils/bin/strip -f try_catch.separate-debug try_catch
> > > $ ./try_catch
> > > Segmentation fault
> > > $
> >
> > This doesn't happen for me with gdb from cvs HEAD and gcc (GCC) 3.2
> > 20020903 (Red Hat Linux 8.0 3.2-7). Does it happen if you just run strip
> > without the -f flag? It might well be a bug in the new strip
> > command.
>
> Yeah, it seems to be:
>
> zenia:separate-debug$ g++ -g $D/gdb/testsuite/gdb.c++/try_catch.cc -o try_catch
> zenia:separate-debug$ ./try_catch
> zenia:separate-debug$ /home/jimb/elfutils/bin/strip try_catch
> zenia:separate-debug$ ./try_catch
> Segmentation fault
> zenia:separate-debug$
>
> This is happening with a pretty motley collection of utilities, so I'm
> not sure I can show how to reproduce it. If you could try running the
> GDB test suite on your box with the stuff I've provided, that would be
> nice.
>
> My stripped program seems to be crashing in _dl_map_object_deps...
>
I don't have gdb built at the moment, so I can't run the test suite. Could
you just send me the try_catch binary and i'll have a look at it.
--
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Alexander Larsson Red Hat, Inc
alexl@redhat.com alla@lysator.liu.se
He's an ungodly soccer-playing messiah with a robot buddy named Sparky. She's
a radical extravagent mercenary with only herself to blame. They fight crime!