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PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/openjdk-multiarch-jdk8u
 Path: blob/aarch64-shenandoah-jdk8u272-b10/hotspot/src/cpu/aarch32/vm/interpreterRT_aarch32.hpp
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/*

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 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.

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 * Copyright (c) 2014, Red Hat Inc. All rights reserved.

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 * Copyright (c) 2015, Linaro Ltd. All rights reserved.

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 *

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 * This code is free software; you can redistribute it and/or modify it

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 * under the terms of the GNU General Public License version 2 only, as

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 * published by the Free Software Foundation.

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 *

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 * This code is distributed in the hope that it will be useful, but WITHOUT

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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

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 * version 2 for more details (a copy is included in the LICENSE file that

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 * accompanied this code).

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 *

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 * You should have received a copy of the GNU General Public License version

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 * 2 along with this work; if not, write to the Free Software Foundation,

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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

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 *

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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 * or visit www.oracle.com if you need additional information or have any

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 * questions.

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 *

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 */

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#ifndef CPU_AARCH32_VM_INTERPRETERRT_AARCH32_HPP

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#define CPU_AARCH32_VM_INTERPRETERRT_AARCH32_HPP

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#include "asm/macroAssembler.hpp"

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#include "memory/allocation.hpp"

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// native method calls

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class SignatureHandlerGenerator: public NativeSignatureIterator {

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 private:

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  MacroAssembler* _masm;

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  unsigned int _fp_arg_mask;

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  int _num_int_args;

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  unsigned _next_double_dex;

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  int _stack_offset;

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  void pass_int();

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  void pass_long();

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  void pass_float();

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  void pass_double();

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  void pass_object();

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 public:

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  // Creation

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  SignatureHandlerGenerator(methodHandle method, CodeBuffer* buffer):

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   NativeSignatureIterator(method),

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   _next_double_dex(0),

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   _stack_offset(0)

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  {

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    _masm = new MacroAssembler(buffer);

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

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    // See layout in interpreter_aarch32.cpp

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    _fp_arg_mask =  (1 <<(Argument::n_float_register_parameters_c * 3)) - 1;

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  }

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  // Code generation

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  void generate(uint64_t fingerprint);

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  // Code generation support

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  static Register from();

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  static Register to();

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  static Register temp();

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};

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#endif // CPU_AARCH32_VM_INTERPRETERRT_AARCH32_HPP

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