* gdb.trace/entry-values.c (end): New (main): Call end. * gdb.trace/entry-values.exp: Load trace-support.exp. Set tracepoint and collect data. Test entry value is unavailable.
* lib/dwarf.exp (_location): Handle DW_OP_deref_size. * gdb.trace/entry-values.c: New. * gdb.trace/entry-values.exp: New.