--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/cpu/s390/interpreterRT_s390.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016 SAP SE. 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 CPU_S390_VM_INTERPRETERRT_S390_HPP
+#define CPU_S390_VM_INTERPRETERRT_S390_HPP
+
+#include "memory/allocation.hpp"
+
+static int binary_search(int key, LookupswitchPair* array, int n);
+
+static address iload (JavaThread* thread);
+static address aload (JavaThread* thread);
+static address istore(JavaThread* thread);
+static address astore(JavaThread* thread);
+static address iinc  (JavaThread* thread);
+
+// native method calls
+
+class SignatureHandlerGenerator: public NativeSignatureIterator {
+ private:
+  MacroAssembler* _masm;
+  int _fp_arg_nr;
+
+  void pass_int();
+  void pass_long();
+  void pass_double();
+  void pass_float();
+  void pass_object();
+
+ public:
+  // creation
+  SignatureHandlerGenerator(const methodHandle& method, CodeBuffer* buffer) : NativeSignatureIterator(method) {
+    _masm = new MacroAssembler(buffer);
+    _fp_arg_nr = 0;
+  }
+
+  // code generation
+  void generate(uint64_t fingerprint);
+};
+
+static address get_result_handler(JavaThread* thread, Method* method);
+
+static address get_signature(JavaThread* thread, Method* method);
+
+#endif // CPU_S390_VM_INTERPRETERRT_S390_HPP