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PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/mobile
 Path: blob/master/src/hotspot/share/prims/foreign_globals.hpp
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/*

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 * Copyright (c) 2020, Oracle and/or its affiliates. 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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#ifndef SHARE_PRIMS_FOREIGN_GLOBALS

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#define SHARE_PRIMS_FOREIGN_GLOBALS

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#include "code/vmreg.hpp"

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#include "oops/oopsHierarchy.hpp"

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#include "utilities/growableArray.hpp"

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#include "utilities/macros.hpp"

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#include CPU_HEADER(foreign_globals)

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struct CallRegs {

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  VMReg* _arg_regs;

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  int _args_length;

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  VMReg* _ret_regs;

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  int _rets_length;

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  void calling_convention(BasicType* sig_bt, VMRegPair *parm_regs, uint argcnt) const;

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};

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class ForeignGlobals {

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private:

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  struct {

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    int inputStorage_offset;

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    int outputStorage_offset;

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    int volatileStorage_offset;

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    int stackAlignment_offset;

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    int shadowSpace_offset;

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  } ABI;

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  struct {

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    int index_offset;

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    int type_offset;

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  } VMS;

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  struct {

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    int size_offset;

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    int arguments_next_pc_offset;

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    int stack_args_bytes_offset;

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    int stack_args_offset;

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    int input_type_offsets_offset;

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    int output_type_offsets_offset;

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  } BL;

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  struct {

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    int arg_regs_offset;

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    int ret_regs_offset;

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  } CallConvOffsets;

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  ForeignGlobals();

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  static const ForeignGlobals& instance();

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  template<typename R>

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  static R cast(oop theOop);

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  template<typename T, typename Func>

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  void loadArray(objArrayOop jarray, int type_index, GrowableArray<T>& array, Func converter) const;

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  const ABIDescriptor parse_abi_descriptor_impl(jobject jabi) const;

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  const BufferLayout parse_buffer_layout_impl(jobject jlayout) const;

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  const CallRegs parse_call_regs_impl(jobject jconv) const;

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public:

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  static const ABIDescriptor parse_abi_descriptor(jobject jabi);

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  static const BufferLayout parse_buffer_layout(jobject jlayout);

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  static const CallRegs parse_call_regs(jobject jconv);

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};

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#endif // SHARE_PRIMS_FOREIGN_GLOBALS

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