Add support to readelf to display NetBSD auxv notes in core files.

	PR 24664
	* readelf.c (get_netbsd_elfcore_note_type): Add support for NetBSD
	auxv notes.

binutils/ChangeLog

+2019-06-12  Christos Zoulas  <christos@zoulas.com>
+
+	PR 24664
+	* readelf.c (get_netbsd_elfcore_note_type): Add support for NetBSD
+	auxv notes.
+
 2019-06-11  Christos Zoulas  <christos@zoulas.com>
 
 	PR 24662

binutils/readelf.c

@@ -18122,18 +18122,29 @@ get_netbsd_elfcore_note_type (Filedata * filedata, unsigned e_type)
 {
   static char buff[64];
-  if (e_type == NT_NETBSDCORE_PROCINFO)
-    return _("NetBSD procinfo structure");
-  /* As of Jan 2002 there are no other machine-independent notes
-     defined for NetBSD core files.  If the note type is less
-     than the start of the machine-dependent note types, we don't
-     understand it.  */
-  if (e_type < NT_NETBSDCORE_FIRSTMACH)
-    {
-      snprintf (buff, sizeof (buff), _("Unknown note type: (0x%08x)"), e_type);
-      return buff;
+  switch (e_type)
+    {
+    case NT_NETBSDCORE_PROCINFO:
+      /* NetBSD core "procinfo" structure.  */
+      return _("NetBSD procinfo structure");
+#ifdef NT_NETBSDCORE_AUXV
+    case NT_NETBSDCORE_AUXV:
+      return _("NetBSD ELF auxiliary vector data");
+#endif
+    default:
+      /* As of Jan 2002 there are no other machine-independent notes
+	 defined for NetBSD core files.  If the note type is less
+	 than the start of the machine-dependent note types, we don't
+	 understand it.  */
+
+      if (e_type < NT_NETBSDCORE_FIRSTMACH)
+	{
+	  snprintf (buff, sizeof (buff), _("Unknown note type: (0x%08x)"), e_type);
+	  return buff;
+	}
+      break;
     }
   switch (filedata->file_header.e_machine)