--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/code/relocInfo_ext.cpp	Mon Dec 19 12:39:01 2016 -0500
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. 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.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "code/codeCache.hpp"
+#include "code/relocInfo.hpp"
+#include "code/relocInfo_ext.hpp"
+#include "gc/shared/cardTableModRefBS.hpp"
+#include "gc/shared/collectedHeap.hpp"
+#include "memory/universe.hpp"
+#include "runtime/os.hpp"
+#include "utilities/debug.hpp"
+#ifdef COMPILER1
+#include "c1/c1_globals.hpp"
+#endif
+
+address symbolic_Relocation::symbolic_value(symbolic_Relocation::symbolic_reference t) {
+  if (Universe::heap() == NULL) {
+    // the symbolic values are not needed so early
+    // (and most of them lead to errors if asked too early)
+    return NULL;
+  }
+  switch(t) {
+  case symbolic_Relocation::polling_page_reference: {
+    return os::get_polling_page();
+  }
+  case symbolic_Relocation::eden_top_reference: {
+    if (!Universe::heap()->supports_inline_contig_alloc()) {
+      return NULL;
+    }
+    return (address)Universe::heap()->top_addr();
+  }
+  case symbolic_Relocation::heap_end_reference: {
+    if (!Universe::heap()->supports_inline_contig_alloc()) {
+      return NULL;
+    }
+    return (address)Universe::heap()->end_addr();
+  }
+  case symbolic_Relocation::card_table_reference: {
+    BarrierSet* bs = Universe::heap()->barrier_set();
+    CardTableModRefBS* ct = (CardTableModRefBS*)bs;
+    return (address)ct->byte_map_base;
+  }
+  case symbolic_Relocation::mark_bits_reference: {
+    return (address)Universe::verify_mark_bits();
+  }
+  case symbolic_Relocation::mark_mask_reference: {
+    return (address)Universe::verify_mark_mask();
+  }
+  case symbolic_Relocation::oop_bits_reference: {
+    return (address)Universe::verify_oop_bits();
+  }
+  case symbolic_Relocation::oop_mask_reference: {
+    return (address)Universe::verify_oop_mask();
+  }
+  case symbolic_Relocation::debug_string_reference: {
+    return (address)"<Lost debug string>";
+  }
+  default: {
+    // missing declaration
+    ShouldNotReachHere();
+    return NULL;
+  }
+  }
+}