/*

 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.

 * Copyright 2007, 2008, 2010, 2011 Red Hat, Inc.

 * 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_ZERO_VM_CPPINTERPRETER_ZERO_HPP

#define CPU_ZERO_VM_CPPINTERPRETER_ZERO_HPP

 protected:

  // Size of interpreter code

  const static int InterpreterCodeSize = 6 * K;

 public:

  // Method entries

  static int normal_entry(methodOop method, intptr_t UNUSED, TRAPS);

  static int native_entry(methodOop method, intptr_t UNUSED, TRAPS);

  static int accessor_entry(methodOop method, intptr_t UNUSED, TRAPS);

  static int empty_entry(methodOop method, intptr_t UNUSED, TRAPS);

  static int method_handle_entry(methodOop method, intptr_t UNUSED, TRAPS);

 public:

  // Main loop of normal_entry

  static void main_loop(int recurse, TRAPS);

 private:

  // Helpers for method_handle_entry

  static void process_method_handle(oop method_handle, TRAPS);

  static void insert_vmslots(int insert_before, int num_slots, TRAPS);

  static void remove_vmslots(int first_slot, int num_slots, TRAPS);

  static BasicType result_type_of_handle(oop method_handle);

  static intptr_t* calculate_unwind_sp(ZeroStack* stack, oop method_handle);

  static void throw_exception(JavaThread* thread, Symbol* name,char *msg=NULL);

 private:

  // Fast result type determination

  static BasicType result_type_of(methodOop method);

#endif // CPU_ZERO_VM_CPPINTERPRETER_ZERO_HPP