http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48148
--- Comment #11 from Jan Kratochvil <jan.kratochvil at redhat dot com> 2011-03-16 17:52:08 UTC --- read_call_site_type in archer-jankratochvil-entryval for DW_AT_GNU_call_site_target recognizes DW_FORM_ref* pointing to DW_AT_declaration DIE and stores + later follows the linkage name. Whether the linkage name is determined correctly depends on the existing GDB infrastructure and normally it works. I do not have debugging experience with the .0 symbols so far - but that is outside of the scope of the archer-jankratochvil-entryval branch.