/*

 * Copyright (c) 1998, 2017, Oracle and/or its affiliates. All rights reserved.

 * Copyright (c) 2014, 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 CPU_AARCH64_VM_INTERPRETERRT_AARCH64_HPP

#define CPU_AARCH64_VM_INTERPRETERRT_AARCH64_HPP

#include "asm/macroAssembler.hpp"

#include "memory/allocation.hpp"

// native method calls

class SignatureHandlerGenerator: public NativeSignatureIterator {

 private:

  MacroAssembler* _masm;

  unsigned int _call_format;

  unsigned int _num_fp_args;

  unsigned int _num_int_args;

  int _stack_offset;

  void pass_int();

  void pass_long();

  void pass_float();

  void pass_double();

  void pass_object();

 public:

  // Creation

  SignatureHandlerGenerator(const methodHandle& method, CodeBuffer* buffer) : NativeSignatureIterator(method) {

    _masm = new MacroAssembler(buffer);

    _num_int_args = (method->is_static() ? 1 : 0);

    _num_fp_args = 0;

    _stack_offset = 0;

  }

  // Code generation

  void generate(uint64_t fingerprint);

  // Code generation support

  static Register from();

  static Register to();

  static Register temp();

};

#endif // CPU_AARCH64_VM_INTERPRETERRT_AARCH64_HPP