1 /* 2 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 #ifndef OS_WINDOWS_GC_Z_ZSYSCALL_WINDOWS_HPP 25 #define OS_WINDOWS_GC_Z_ZSYSCALL_WINDOWS_HPP 26 27 #include "utilities/globalDefinitions.hpp" 28 29 #include <Windows.h> 30 #include <Memoryapi.h> 31 32 class ZSyscall { 33 private: 34 typedef HANDLE (*CreateFileMappingWFn)(HANDLE, LPSECURITY_ATTRIBUTES, DWORD, DWORD, DWORD, LPCWSTR); 35 typedef PVOID (*VirtualAlloc2Fn)(HANDLE, PVOID, SIZE_T, ULONG, ULONG, MEM_EXTENDED_PARAMETER*, ULONG); 36 typedef BOOL (*VirtualFreeExFn)(HANDLE, LPVOID, SIZE_T, DWORD); 37 typedef PVOID (*MapViewOfFile3Fn)(HANDLE, HANDLE, PVOID, ULONG64, SIZE_T, ULONG, ULONG, MEM_EXTENDED_PARAMETER*, ULONG); 38 typedef BOOL (*UnmapViewOfFile2Fn)(HANDLE, PVOID, ULONG); 39 40 public: 41 static CreateFileMappingWFn CreateFileMappingW; 42 static VirtualAlloc2Fn VirtualAlloc2; 43 static VirtualFreeExFn VirtualFreeEx; 44 static MapViewOfFile3Fn MapViewOfFile3; 45 static UnmapViewOfFile2Fn UnmapViewOfFile2; 46 47 static void initialize(); 48 49 static bool is_os_supported(); 50 }; 51 52 #endif // OS_WINDOWS_GC_Z_ZSYSCALL_WINDOWS_HPP