loci: move per-obj function pointers to global tables

This saves 32 bytes per of_object.
diff --git a/c_gen/templates/loci_class_metadata.c b/c_gen/templates/loci_class_metadata.c
new file mode 100644
index 0000000..1aca773
--- /dev/null
+++ b/c_gen/templates/loci_class_metadata.c
@@ -0,0 +1,51 @@
+:: # Copyright 2014, Big Switch Networks, Inc.
+:: #
+:: # LoxiGen is licensed under the Eclipse Public License, version 1.0 (EPL), with
+:: # the following special exception:
+:: #
+:: # LOXI Exception
+:: #
+:: # As a special exception to the terms of the EPL, you may distribute libraries
+:: # generated by LoxiGen (LoxiGen Libraries) under the terms of your choice, provided
+:: # that copyright and licensing notices generated by LoxiGen are not altered or removed
+:: # from the LoxiGen Libraries and the notice provided below is (i) included in
+:: # the LoxiGen Libraries, if distributed in source code form and (ii) included in any
+:: # documentation for the LoxiGen Libraries, if distributed in binary form.
+:: #
+:: # Notice: "Copyright 2014, Big Switch Networks, Inc. This library was generated by the LoxiGen Compiler."
+:: #
+:: # You may not use this file except in compliance with the EPL or LOXI Exception. You may obtain
+:: # a copy of the EPL at:
+:: #
+:: # http://www.eclipse.org/legal/epl-v10.html
+:: #
+:: # Unless required by applicable law or agreed to in writing, software
+:: # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+:: # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+:: # EPL for the specific language governing permissions and limitations
+:: # under the EPL.
+::
+:: include('_copyright.c')
+:: import loxi_globals
+
+/****************************************************************
+ *
+ * loci_class_metadata.c
+ *
+ * Tables with information for each class
+ *
+ ****************************************************************/
+
+#include "loci_log.h"
+#include <loci/loci.h>
+
+struct loci_class_metadata loci_class_metadata[OF_OBJECT_COUNT] = {
+:: for data in class_metadata:
+    [${data.name.upper()}] = {
+        .wire_length_get=${data.wire_length_get},
+        .wire_length_set=${data.wire_length_set},
+        .wire_type_get=${data.wire_type_get},
+        .wire_type_set=${data.wire_type_set},
+    },
+:: #endfor
+};