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Datei: interpreterRT_arm.hpp Sprache: C

/*
* Copyright (c) 2008, 2019, 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.
*
*/

#ifndef CPU_ARM_INTERPRETERRT_ARM_HPP
#define CPU_ARM_INTERPRETERRT_ARM_HPP

// native method calls

class SignatureHandlerGenerator: public NativeSignatureIterator {
private:
  MacroAssembler* _masm;
  int _abi_offset;
  int  _ireg;

#ifdef __ABI_HARD__
  int _fp_slot; // number of FPR's with arguments loaded
  int _single_fpr_slot;
#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
  SignatureHandlerGenerator(const methodHandle& method, CodeBuffer* buffer);

  // Code generation
  void generate(uint64_t fingerprint);
};

// ARM provides a normalized fingerprint for native calls (to increase
// sharing). See normalize_fast_native_fingerprint
#define SHARING_FAST_NATIVE_FINGERPRINTS

#endif // CPU_ARM_INTERPRETERRT_ARM_HPP

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