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GitHub Repository: PojavLauncherTeam/mobile
 Path: blob/master/src/hotspot/os/windows/gc/z/zSyscall_windows.hpp
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/*

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 * Copyright (c) 2019, 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 OS_WINDOWS_GC_Z_ZSYSCALL_WINDOWS_HPP

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#define OS_WINDOWS_GC_Z_ZSYSCALL_WINDOWS_HPP

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#include "utilities/globalDefinitions.hpp"

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#include <Windows.h>

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#include <Memoryapi.h>

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class ZSyscall {

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private:

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  typedef HANDLE (*CreateFileMappingWFn)(HANDLE, LPSECURITY_ATTRIBUTES, DWORD, DWORD, DWORD, LPCWSTR);

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  typedef HANDLE (*CreateFileMapping2Fn)(HANDLE, LPSECURITY_ATTRIBUTES, ULONG, ULONG, ULONG, ULONG64, PCWSTR, PMEM_EXTENDED_PARAMETER, ULONG);

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  typedef PVOID (*VirtualAlloc2Fn)(HANDLE, PVOID, SIZE_T, ULONG, ULONG, MEM_EXTENDED_PARAMETER*, ULONG);

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  typedef BOOL (*VirtualFreeExFn)(HANDLE, LPVOID, SIZE_T, DWORD);

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  typedef PVOID (*MapViewOfFile3Fn)(HANDLE, HANDLE, PVOID, ULONG64, SIZE_T, ULONG, ULONG, MEM_EXTENDED_PARAMETER*, ULONG);

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  typedef BOOL (*UnmapViewOfFile2Fn)(HANDLE, PVOID, ULONG);

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public:

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  static CreateFileMappingWFn CreateFileMappingW;

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  static CreateFileMapping2Fn CreateFileMapping2;

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  static VirtualAlloc2Fn      VirtualAlloc2;

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  static VirtualFreeExFn      VirtualFreeEx;

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  static MapViewOfFile3Fn     MapViewOfFile3;

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  static UnmapViewOfFile2Fn   UnmapViewOfFile2;

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  static void initialize();

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  static bool is_supported();

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  static bool is_large_pages_supported();

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};

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#endif // OS_WINDOWS_GC_Z_ZSYSCALL_WINDOWS_HPP

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