diff -r 99f4d3b6d487 -r 7b7c75d87f9b src/hotspot/share/gc/epsilon/vmStructs_epsilon.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/gc/epsilon/vmStructs_epsilon.hpp	Tue Jun 12 15:03:00 2018 +0200
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2018, Red Hat Inc. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_GC_EPSILON_VMSTRUCTS_HPP
+#define SHARE_GC_EPSILON_VMSTRUCTS_HPP
+
+#include "gc/epsilon/epsilonHeap.hpp"
+#include "gc/shared/space.hpp"
+#include "memory/virtualspace.hpp"
+
+#define VM_STRUCTS_EPSILONGC(nonstatic_field,                       \
+                            volatile_nonstatic_field,               \
+                            static_field)                           \
+  nonstatic_field(EpsilonHeap, _virtual_space, VirtualSpace)        \
+  nonstatic_field(EpsilonHeap, _space, ContiguousSpace*)
+
+#define VM_TYPES_EPSILONGC(declare_type,                            \
+                          declare_toplevel_type,                    \
+                          declare_integer_type)                     \
+  declare_type(EpsilonHeap, CollectedHeap)
+
+#define VM_INT_CONSTANTS_EPSILONGC(declare_constant,                \
+                                  declare_constant_with_value)
+
+#endif // SHARE_GC_EPSILON_VMSTRUCTS_HPP