Hi all,
the attached is a fix for the problem described here:
http://sources.redhat.com/ml/gdb/2002-12/msg00246.html

I've created a new function cleanup_cfi() in dwarf2cfi.c that deletes 
all CIEs and FDEs of objfiles removed later by objfile_purge_solibs().
So far it works fine but I don't know how should I correctly call it.
For now I put the call directly to run_command():

static void
run_command (char *args, int from_tty)
{
   [...]
   clear_breakpoint_hit_counts ();

   cleanup_cfi ();    /* <=== HERE */

   objfile_purge_solibs ();

   do_run_cleanups (NULL);

   reopen_exec_file ();
   reread_symbols ();
   [...]
}

I know it isn't the right solution because it would require linking of 
dwarf2cfi.o to all targets. If I would wrap it by #ifdef X86_64 ... 
#endif it still isn't perfect, because other archs will hopefully use 
CFI in the future as well.

I was thinking about defining something like USE_DWARF2CFI for each 
target that use it in their config/whatever file...? Is it a way to go?

I can't attach this function to run_cleanup_chain, because I need to 
call cleanup_cfi() before objfile_purge_solibs() and also because 
do_run_cleanups() finally destroys the contents of run_cleanup_chain and 
finally because I don't know how (when/where) to attach cleanup_cfi() to 
run_cleanup_chain.

Could someone please tell me what is the cleanest way to call 
cleanup_cfi()? Thanks.

Michal Ludvig
-- 
* SuSE CR, s.r.o     * mludvig@suse.cz
* (+420) 296.545.373 * http://www.suse.cz