/*

 * 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

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 */

#ifndef CPU_ARM_VM_INTERPRETERRT_ARM_HPP

#define CPU_ARM_VM_INTERPRETERRT_ARM_HPP

#include "memory/allocation.hpp"

// native method calls

class SignatureHandlerGenerator: public NativeSignatureIterator {

 private:

  MacroAssembler* _masm;

  int _abi_offset;

  int  _ireg;

#ifdef __ABI_HARD__

#ifdef AARCH64

  int _freg;

#else

  int _fp_slot; // number of FPR's with arguments loaded

  int _single_fpr_slot;

#endif

#endif

  void move(int from_offset, int to_offset);

  void box(int from_offset, int to_offset);

  void pass_int();

  void pass_long();

  void pass_float();

  void pass_object();

#ifdef __ABI_HARD__

  void pass_double();

#endif

 public:

  // Creation

    _masm = new MacroAssembler(buffer);

    _abi_offset = 0;

    _ireg = is_static() ? 2 : 1;

#ifdef __ABI_HARD__

#ifdef AARCH64

    _freg = 0;

#else

    _fp_slot = 0;

    _single_fpr_slot = 0;

#endif

#endif

  }

  // Code generation

  void generate(uint64_t fingerprint);

};

#ifndef AARCH64

// ARM provides a normalized fingerprint for native calls (to increase

// sharing). See normalize_fast_native_fingerprint

#define SHARING_FAST_NATIVE_FINGERPRINTS

#endif

#endif // CPU_ARM_VM_INTERPRETERRT_ARM_HPP