duke@435: /* mikael@4153: * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. duke@435: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. duke@435: * duke@435: * This code is free software; you can redistribute it and/or modify it duke@435: * under the terms of the GNU General Public License version 2 only, as duke@435: * published by the Free Software Foundation. duke@435: * duke@435: * This code is distributed in the hope that it will be useful, but WITHOUT duke@435: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or duke@435: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License duke@435: * version 2 for more details (a copy is included in the LICENSE file that duke@435: * accompanied this code). duke@435: * duke@435: * You should have received a copy of the GNU General Public License version duke@435: * 2 along with this work; if not, write to the Free Software Foundation, duke@435: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. duke@435: * trims@1907: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA trims@1907: * or visit www.oracle.com if you need additional information or have any trims@1907: * questions. duke@435: * duke@435: */ duke@435: stefank@2314: #ifndef OS_WINDOWS_VM_OS_WINDOWS_HPP stefank@2314: #define OS_WINDOWS_VM_OS_WINDOWS_HPP duke@435: // Win32_OS defines the interface to windows operating systems duke@435: duke@435: class win32 { nloodin@3783: friend class os; duke@435: duke@435: protected: duke@435: static int _vm_page_size; duke@435: static int _vm_allocation_granularity; duke@435: static int _processor_type; duke@435: static int _processor_level; duke@435: static julong _physical_memory; duke@435: static size_t _default_stack_size; duke@435: static bool _is_nt; jmasa@824: static bool _is_windows_2003; ctornqvi@2520: static bool _is_windows_server; duke@435: nloodin@3783: static void print_windows_version(outputStream* st); nloodin@3783: duke@435: public: duke@435: // Windows-specific interface: duke@435: static void initialize_system_info(); duke@435: static void setmode_streams(); duke@435: duke@435: // Processor info as provided by NT duke@435: static int processor_type() { return _processor_type; } duke@435: // Processor level may not be accurate on non-NT systems duke@435: static int processor_level() { duke@435: assert(is_nt(), "use vm_version instead"); duke@435: return _processor_level; duke@435: } duke@435: static julong available_memory(); duke@435: static julong physical_memory() { return _physical_memory; } duke@435: zgu@3031: // load dll from Windows system directory or Windows directory zgu@3031: static HINSTANCE load_Windows_dll(const char* name, char *ebuf, int ebuflen); zgu@3031: duke@435: public: duke@435: // Generic interface: duke@435: duke@435: // Trace number of created threads duke@435: static intx _os_thread_limit; duke@435: static volatile intx _os_thread_count; duke@435: duke@435: // Tells whether the platform is NT or Windown95 duke@435: static bool is_nt() { return _is_nt; } duke@435: ctornqvi@2520: // Tells whether this is a server version of Windows ctornqvi@2520: static bool is_windows_server() { return _is_windows_server; } ctornqvi@2520: jmasa@824: // Tells whether the platform is Windows 2003 jmasa@824: static bool is_windows_2003() { return _is_windows_2003; } jmasa@824: duke@435: // Returns the byte size of a virtual memory page duke@435: static int vm_page_size() { return _vm_page_size; } duke@435: duke@435: // Returns the size in bytes of memory blocks which can be allocated. duke@435: static int vm_allocation_granularity() { return _vm_allocation_granularity; } duke@435: duke@435: // Read the headers for the executable that started the current process into duke@435: // the structure passed in (see winnt.h). duke@435: static void read_executable_headers(PIMAGE_NT_HEADERS); duke@435: duke@435: // Default stack size for the current process. duke@435: static size_t default_stack_size() { return _default_stack_size; } duke@435: duke@435: #ifndef _WIN64 duke@435: // A wrapper to install a structured exception handler for fast JNI accesors. duke@435: static address fast_jni_accessor_wrapper(BasicType); duke@435: #endif duke@435: duke@435: // filter function to ignore faults on serializations page duke@435: static LONG WINAPI serialize_fault_filter(struct _EXCEPTION_POINTERS* e); duke@435: }; duke@435: zgu@3900: class PlatformEvent : public CHeapObj { duke@435: private: duke@435: double CachePad [4] ; // increase odds that _Event is sole occupant of cache line duke@435: volatile int _Event ; duke@435: HANDLE _ParkHandle ; duke@435: duke@435: public: // TODO-FIXME: make dtor private duke@435: ~PlatformEvent() { guarantee (0, "invariant") ; } duke@435: duke@435: public: duke@435: PlatformEvent() { duke@435: _Event = 0 ; duke@435: _ParkHandle = CreateEvent (NULL, false, false, NULL) ; duke@435: guarantee (_ParkHandle != NULL, "invariant") ; duke@435: } duke@435: duke@435: // Exercise caution using reset() and fired() - they may require MEMBARs duke@435: void reset() { _Event = 0 ; } duke@435: int fired() { return _Event; } duke@435: void park () ; duke@435: void unpark () ; duke@435: int park (jlong millis) ; duke@435: } ; duke@435: duke@435: duke@435: zgu@3900: class PlatformParker : public CHeapObj { duke@435: protected: duke@435: HANDLE _ParkEvent ; duke@435: duke@435: public: duke@435: ~PlatformParker () { guarantee (0, "invariant") ; } duke@435: PlatformParker () { duke@435: _ParkEvent = CreateEvent (NULL, true, false, NULL) ; duke@435: guarantee (_ParkEvent != NULL, "invariant") ; duke@435: } duke@435: duke@435: } ; stefank@2314: zgu@3031: // JDK7 requires VS2010 zgu@3031: #if _MSC_VER < 1600 zgu@3031: #define JDK6_OR_EARLIER 1 zgu@3031: #endif zgu@3031: zgu@3031: zgu@3031: zgu@3031: class WinSock2Dll: AllStatic { zgu@3031: public: zgu@3031: static BOOL WSAStartup(WORD, LPWSADATA); zgu@3031: static struct hostent* gethostbyname(const char *name); zgu@3031: static BOOL WinSock2Available(); zgu@3031: #ifdef JDK6_OR_EARLIER zgu@3031: private: zgu@3031: static int (PASCAL FAR* _WSAStartup)(WORD, LPWSADATA); zgu@3031: static struct hostent *(PASCAL FAR *_gethostbyname)(...); zgu@3031: static BOOL initialized; zgu@3031: zgu@3031: static void initialize(); zgu@3031: #endif zgu@3031: }; zgu@3031: zgu@3031: class Kernel32Dll: AllStatic { zgu@3031: public: zgu@3031: static BOOL SwitchToThread(); zgu@3031: static SIZE_T GetLargePageMinimum(); zgu@3031: zgu@3031: static BOOL SwitchToThreadAvailable(); zgu@3031: static BOOL GetLargePageMinimumAvailable(); zgu@3031: zgu@3031: // Help tools zgu@3031: static BOOL HelpToolsAvailable(); zgu@3031: static HANDLE CreateToolhelp32Snapshot(DWORD,DWORD); zgu@3031: static BOOL Module32First(HANDLE,LPMODULEENTRY32); zgu@3031: static BOOL Module32Next(HANDLE,LPMODULEENTRY32); zgu@3031: zgu@3031: static BOOL GetNativeSystemInfoAvailable(); zgu@3031: static void GetNativeSystemInfo(LPSYSTEM_INFO); zgu@3031: iveresov@3085: // NUMA calls iveresov@3085: static BOOL NumaCallsAvailable(); iveresov@3085: static LPVOID VirtualAllocExNuma(HANDLE, LPVOID, SIZE_T, DWORD, DWORD, DWORD); iveresov@3085: static BOOL GetNumaHighestNodeNumber(PULONG); iveresov@3085: static BOOL GetNumaNodeProcessorMask(UCHAR, PULONGLONG); iveresov@3085: zgu@3900: // Stack walking zgu@3900: static USHORT RtlCaptureStackBackTrace(ULONG, ULONG, PVOID*, PULONG); zgu@3900: zgu@3031: private: zgu@3031: // GetLargePageMinimum available on Windows Vista/Windows Server 2003 zgu@3031: // and later iveresov@3085: // NUMA calls available Windows Vista/WS2008 and later iveresov@3085: zgu@3031: static SIZE_T (WINAPI *_GetLargePageMinimum)(void); iveresov@3085: static LPVOID (WINAPI *_VirtualAllocExNuma) (HANDLE, LPVOID, SIZE_T, DWORD, DWORD, DWORD); iveresov@3085: static BOOL (WINAPI *_GetNumaHighestNodeNumber) (PULONG); iveresov@3085: static BOOL (WINAPI *_GetNumaNodeProcessorMask) (UCHAR, PULONGLONG); zgu@3900: static USHORT (WINAPI *_RtlCaptureStackBackTrace)(ULONG, ULONG, PVOID*, PULONG); zgu@3031: static BOOL initialized; zgu@3031: zgu@3031: static void initialize(); iveresov@3085: static void initializeCommon(); zgu@3031: zgu@3031: #ifdef JDK6_OR_EARLIER zgu@3031: private: zgu@3031: static BOOL (WINAPI *_SwitchToThread)(void); zgu@3031: static HANDLE (WINAPI* _CreateToolhelp32Snapshot)(DWORD,DWORD); zgu@3031: static BOOL (WINAPI* _Module32First)(HANDLE,LPMODULEENTRY32); zgu@3031: static BOOL (WINAPI* _Module32Next)(HANDLE,LPMODULEENTRY32); zgu@3031: static void (WINAPI *_GetNativeSystemInfo)(LPSYSTEM_INFO); zgu@3031: #endif zgu@3031: zgu@3031: }; zgu@3031: zgu@3031: class Advapi32Dll: AllStatic { zgu@3031: public: zgu@3031: static BOOL AdjustTokenPrivileges(HANDLE, BOOL, PTOKEN_PRIVILEGES, DWORD, PTOKEN_PRIVILEGES, PDWORD); zgu@3031: static BOOL OpenProcessToken(HANDLE, DWORD, PHANDLE); zgu@3031: static BOOL LookupPrivilegeValue(LPCTSTR, LPCTSTR, PLUID); zgu@3031: zgu@3031: static BOOL AdvapiAvailable(); zgu@3031: zgu@3031: #ifdef JDK6_OR_EARLIER zgu@3031: private: zgu@3031: static BOOL (WINAPI *_AdjustTokenPrivileges)(HANDLE, BOOL, PTOKEN_PRIVILEGES, DWORD, PTOKEN_PRIVILEGES, PDWORD); zgu@3031: static BOOL (WINAPI *_OpenProcessToken)(HANDLE, DWORD, PHANDLE); zgu@3031: static BOOL (WINAPI *_LookupPrivilegeValue)(LPCTSTR, LPCTSTR, PLUID); zgu@3031: static BOOL initialized; zgu@3031: zgu@3031: static void initialize(); zgu@3031: #endif zgu@3031: }; zgu@3031: zgu@3031: class PSApiDll: AllStatic { zgu@3031: public: zgu@3031: static BOOL EnumProcessModules(HANDLE, HMODULE *, DWORD, LPDWORD); zgu@3031: static DWORD GetModuleFileNameEx(HANDLE, HMODULE, LPTSTR, DWORD); zgu@3031: static BOOL GetModuleInformation(HANDLE, HMODULE, LPMODULEINFO, DWORD); zgu@3031: zgu@3031: static BOOL PSApiAvailable(); zgu@3031: zgu@3031: #ifdef JDK6_OR_EARLIER zgu@3031: private: zgu@3031: static BOOL (WINAPI *_EnumProcessModules)(HANDLE, HMODULE *, DWORD, LPDWORD); zgu@3031: static BOOL (WINAPI *_GetModuleFileNameEx)(HANDLE, HMODULE, LPTSTR, DWORD);; zgu@3031: static BOOL (WINAPI *_GetModuleInformation)(HANDLE, HMODULE, LPMODULEINFO, DWORD); zgu@3031: static BOOL initialized; zgu@3031: zgu@3031: static void initialize(); zgu@3031: #endif zgu@3031: }; zgu@3031: stefank@2314: #endif // OS_WINDOWS_VM_OS_WINDOWS_HPP