$OpenBSD: patch-bfd_elf_c,v 1.8 2016/03/04 19:25:27 pascal Exp $
--- bfd/elf.c.orig	Wed Feb 10 04:19:39 2016
+++ bfd/elf.c	Wed Feb 24 15:24:15 2016
@@ -9486,6 +9486,11 @@ elfcore_grok_openbsd_procinfo (bfd *abfd, Elf_Internal
 static bfd_boolean
 elfcore_grok_openbsd_note (bfd *abfd, Elf_Internal_Note *note)
 {
+  int lwp;
+
+  if (elfcore_netbsd_get_lwpid (note, &lwp))
+    elf_tdata (abfd)->core->lwpid = lwp;
+
   if (note->type == NT_OPENBSD_PROCINFO)
     return elfcore_grok_openbsd_procinfo (abfd, note);
 
