Wed, 27 Apr 2016 01:25:04 +0800
Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | * |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | #ifndef OS_WINDOWS_VM_OS_WINDOWS_HPP |
aoqi@0 | 26 | #define OS_WINDOWS_VM_OS_WINDOWS_HPP |
aoqi@0 | 27 | // Win32_OS defines the interface to windows operating systems |
aoqi@0 | 28 | |
aoqi@0 | 29 | // Information about the protection of the page at address '0' on this os. |
aoqi@0 | 30 | static bool zero_page_read_protected() { return true; } |
aoqi@0 | 31 | |
aoqi@0 | 32 | class win32 { |
aoqi@0 | 33 | friend class os; |
aoqi@0 | 34 | |
aoqi@0 | 35 | protected: |
aoqi@0 | 36 | static int _vm_page_size; |
aoqi@0 | 37 | static int _vm_allocation_granularity; |
aoqi@0 | 38 | static int _processor_type; |
aoqi@0 | 39 | static int _processor_level; |
aoqi@0 | 40 | static julong _physical_memory; |
aoqi@0 | 41 | static size_t _default_stack_size; |
aoqi@0 | 42 | static bool _is_nt; |
aoqi@0 | 43 | static bool _is_windows_2003; |
aoqi@0 | 44 | static bool _is_windows_server; |
aoqi@0 | 45 | |
aoqi@0 | 46 | static void print_windows_version(outputStream* st); |
aoqi@0 | 47 | |
aoqi@0 | 48 | public: |
aoqi@0 | 49 | // Windows-specific interface: |
aoqi@0 | 50 | static void initialize_system_info(); |
aoqi@0 | 51 | static void setmode_streams(); |
aoqi@0 | 52 | |
aoqi@0 | 53 | // Processor info as provided by NT |
aoqi@0 | 54 | static int processor_type() { return _processor_type; } |
aoqi@0 | 55 | // Processor level may not be accurate on non-NT systems |
aoqi@0 | 56 | static int processor_level() { |
aoqi@0 | 57 | assert(is_nt(), "use vm_version instead"); |
aoqi@0 | 58 | return _processor_level; |
aoqi@0 | 59 | } |
aoqi@0 | 60 | static julong available_memory(); |
aoqi@0 | 61 | static julong physical_memory() { return _physical_memory; } |
aoqi@0 | 62 | |
aoqi@0 | 63 | // load dll from Windows system directory or Windows directory |
aoqi@0 | 64 | static HINSTANCE load_Windows_dll(const char* name, char *ebuf, int ebuflen); |
aoqi@0 | 65 | |
aoqi@0 | 66 | public: |
aoqi@0 | 67 | // Generic interface: |
aoqi@0 | 68 | |
aoqi@0 | 69 | // Trace number of created threads |
aoqi@0 | 70 | static intx _os_thread_limit; |
aoqi@0 | 71 | static volatile intx _os_thread_count; |
aoqi@0 | 72 | |
aoqi@0 | 73 | // Tells whether the platform is NT or Windown95 |
aoqi@0 | 74 | static bool is_nt() { return _is_nt; } |
aoqi@0 | 75 | |
aoqi@0 | 76 | // Tells whether this is a server version of Windows |
aoqi@0 | 77 | static bool is_windows_server() { return _is_windows_server; } |
aoqi@0 | 78 | |
aoqi@0 | 79 | // Tells whether the platform is Windows 2003 |
aoqi@0 | 80 | static bool is_windows_2003() { return _is_windows_2003; } |
aoqi@0 | 81 | |
aoqi@0 | 82 | // Returns the byte size of a virtual memory page |
aoqi@0 | 83 | static int vm_page_size() { return _vm_page_size; } |
aoqi@0 | 84 | |
aoqi@0 | 85 | // Returns the size in bytes of memory blocks which can be allocated. |
aoqi@0 | 86 | static int vm_allocation_granularity() { return _vm_allocation_granularity; } |
aoqi@0 | 87 | |
aoqi@0 | 88 | // Read the headers for the executable that started the current process into |
aoqi@0 | 89 | // the structure passed in (see winnt.h). |
aoqi@0 | 90 | static void read_executable_headers(PIMAGE_NT_HEADERS); |
aoqi@0 | 91 | |
aoqi@0 | 92 | // Default stack size for the current process. |
aoqi@0 | 93 | static size_t default_stack_size() { return _default_stack_size; } |
aoqi@0 | 94 | |
aoqi@0 | 95 | #ifndef _WIN64 |
aoqi@0 | 96 | // A wrapper to install a structured exception handler for fast JNI accesors. |
aoqi@0 | 97 | static address fast_jni_accessor_wrapper(BasicType); |
aoqi@0 | 98 | #endif |
aoqi@0 | 99 | |
aoqi@0 | 100 | static void call_test_func_with_wrapper(void (*funcPtr)(void)); |
aoqi@0 | 101 | |
aoqi@0 | 102 | // filter function to ignore faults on serializations page |
aoqi@0 | 103 | static LONG WINAPI serialize_fault_filter(struct _EXCEPTION_POINTERS* e); |
aoqi@0 | 104 | }; |
aoqi@0 | 105 | |
aoqi@0 | 106 | /* |
aoqi@0 | 107 | * Crash protection for the watcher thread. Wrap the callback |
aoqi@0 | 108 | * with a __try { call() } |
aoqi@0 | 109 | * To be able to use this - don't take locks, don't rely on destructors, |
aoqi@0 | 110 | * don't make OS library calls, don't allocate memory, don't print, |
aoqi@0 | 111 | * don't call code that could leave the heap / memory in an inconsistent state, |
aoqi@0 | 112 | * or anything else where we are not in control if we suddenly jump out. |
aoqi@0 | 113 | */ |
aoqi@0 | 114 | class WatcherThreadCrashProtection : public StackObj { |
aoqi@0 | 115 | public: |
aoqi@0 | 116 | WatcherThreadCrashProtection(); |
aoqi@0 | 117 | bool call(os::CrashProtectionCallback& cb); |
aoqi@0 | 118 | }; |
aoqi@0 | 119 | |
aoqi@0 | 120 | class PlatformEvent : public CHeapObj<mtInternal> { |
aoqi@0 | 121 | private: |
aoqi@0 | 122 | double CachePad [4] ; // increase odds that _Event is sole occupant of cache line |
aoqi@0 | 123 | volatile int _Event ; |
aoqi@0 | 124 | HANDLE _ParkHandle ; |
aoqi@0 | 125 | |
aoqi@0 | 126 | public: // TODO-FIXME: make dtor private |
aoqi@0 | 127 | ~PlatformEvent() { guarantee (0, "invariant") ; } |
aoqi@0 | 128 | |
aoqi@0 | 129 | public: |
aoqi@0 | 130 | PlatformEvent() { |
aoqi@0 | 131 | _Event = 0 ; |
aoqi@0 | 132 | _ParkHandle = CreateEvent (NULL, false, false, NULL) ; |
aoqi@0 | 133 | guarantee (_ParkHandle != NULL, "invariant") ; |
aoqi@0 | 134 | } |
aoqi@0 | 135 | |
aoqi@0 | 136 | // Exercise caution using reset() and fired() - they may require MEMBARs |
aoqi@0 | 137 | void reset() { _Event = 0 ; } |
aoqi@0 | 138 | int fired() { return _Event; } |
aoqi@0 | 139 | void park () ; |
aoqi@0 | 140 | void unpark () ; |
aoqi@0 | 141 | int park (jlong millis) ; |
aoqi@0 | 142 | } ; |
aoqi@0 | 143 | |
aoqi@0 | 144 | |
aoqi@0 | 145 | |
aoqi@0 | 146 | class PlatformParker : public CHeapObj<mtInternal> { |
aoqi@0 | 147 | protected: |
aoqi@0 | 148 | HANDLE _ParkEvent ; |
aoqi@0 | 149 | |
aoqi@0 | 150 | public: |
aoqi@0 | 151 | ~PlatformParker () { guarantee (0, "invariant") ; } |
aoqi@0 | 152 | PlatformParker () { |
aoqi@0 | 153 | _ParkEvent = CreateEvent (NULL, true, false, NULL) ; |
aoqi@0 | 154 | guarantee (_ParkEvent != NULL, "invariant") ; |
aoqi@0 | 155 | } |
aoqi@0 | 156 | |
aoqi@0 | 157 | } ; |
aoqi@0 | 158 | |
aoqi@0 | 159 | // JDK7 requires VS2010 |
aoqi@0 | 160 | #if _MSC_VER < 1600 |
aoqi@0 | 161 | #define JDK6_OR_EARLIER 1 |
aoqi@0 | 162 | #endif |
aoqi@0 | 163 | |
aoqi@0 | 164 | |
aoqi@0 | 165 | |
aoqi@0 | 166 | class WinSock2Dll: AllStatic { |
aoqi@0 | 167 | public: |
aoqi@0 | 168 | static BOOL WSAStartup(WORD, LPWSADATA); |
aoqi@0 | 169 | static struct hostent* gethostbyname(const char *name); |
aoqi@0 | 170 | static BOOL WinSock2Available(); |
aoqi@0 | 171 | #ifdef JDK6_OR_EARLIER |
aoqi@0 | 172 | private: |
aoqi@0 | 173 | static int (PASCAL FAR* _WSAStartup)(WORD, LPWSADATA); |
aoqi@0 | 174 | static struct hostent *(PASCAL FAR *_gethostbyname)(...); |
aoqi@0 | 175 | static BOOL initialized; |
aoqi@0 | 176 | |
aoqi@0 | 177 | static void initialize(); |
aoqi@0 | 178 | #endif |
aoqi@0 | 179 | }; |
aoqi@0 | 180 | |
aoqi@0 | 181 | class Kernel32Dll: AllStatic { |
aoqi@0 | 182 | public: |
aoqi@0 | 183 | static BOOL SwitchToThread(); |
aoqi@0 | 184 | static SIZE_T GetLargePageMinimum(); |
aoqi@0 | 185 | |
aoqi@0 | 186 | static BOOL SwitchToThreadAvailable(); |
aoqi@0 | 187 | static BOOL GetLargePageMinimumAvailable(); |
aoqi@0 | 188 | |
aoqi@0 | 189 | // Help tools |
aoqi@0 | 190 | static BOOL HelpToolsAvailable(); |
aoqi@0 | 191 | static HANDLE CreateToolhelp32Snapshot(DWORD,DWORD); |
aoqi@0 | 192 | static BOOL Module32First(HANDLE,LPMODULEENTRY32); |
aoqi@0 | 193 | static BOOL Module32Next(HANDLE,LPMODULEENTRY32); |
aoqi@0 | 194 | |
aoqi@0 | 195 | static BOOL GetNativeSystemInfoAvailable(); |
aoqi@0 | 196 | static void GetNativeSystemInfo(LPSYSTEM_INFO); |
aoqi@0 | 197 | |
aoqi@0 | 198 | // NUMA calls |
aoqi@0 | 199 | static BOOL NumaCallsAvailable(); |
aoqi@0 | 200 | static LPVOID VirtualAllocExNuma(HANDLE, LPVOID, SIZE_T, DWORD, DWORD, DWORD); |
aoqi@0 | 201 | static BOOL GetNumaHighestNodeNumber(PULONG); |
aoqi@0 | 202 | static BOOL GetNumaNodeProcessorMask(UCHAR, PULONGLONG); |
aoqi@0 | 203 | |
aoqi@0 | 204 | // Stack walking |
aoqi@0 | 205 | static USHORT RtlCaptureStackBackTrace(ULONG, ULONG, PVOID*, PULONG); |
aoqi@0 | 206 | |
aoqi@0 | 207 | private: |
aoqi@0 | 208 | // GetLargePageMinimum available on Windows Vista/Windows Server 2003 |
aoqi@0 | 209 | // and later |
aoqi@0 | 210 | // NUMA calls available Windows Vista/WS2008 and later |
aoqi@0 | 211 | |
aoqi@0 | 212 | static SIZE_T (WINAPI *_GetLargePageMinimum)(void); |
aoqi@0 | 213 | static LPVOID (WINAPI *_VirtualAllocExNuma) (HANDLE, LPVOID, SIZE_T, DWORD, DWORD, DWORD); |
aoqi@0 | 214 | static BOOL (WINAPI *_GetNumaHighestNodeNumber) (PULONG); |
aoqi@0 | 215 | static BOOL (WINAPI *_GetNumaNodeProcessorMask) (UCHAR, PULONGLONG); |
aoqi@0 | 216 | static USHORT (WINAPI *_RtlCaptureStackBackTrace)(ULONG, ULONG, PVOID*, PULONG); |
aoqi@0 | 217 | static BOOL initialized; |
aoqi@0 | 218 | |
aoqi@0 | 219 | static void initialize(); |
aoqi@0 | 220 | static void initializeCommon(); |
aoqi@0 | 221 | |
aoqi@0 | 222 | #ifdef JDK6_OR_EARLIER |
aoqi@0 | 223 | private: |
aoqi@0 | 224 | static BOOL (WINAPI *_SwitchToThread)(void); |
aoqi@0 | 225 | static HANDLE (WINAPI* _CreateToolhelp32Snapshot)(DWORD,DWORD); |
aoqi@0 | 226 | static BOOL (WINAPI* _Module32First)(HANDLE,LPMODULEENTRY32); |
aoqi@0 | 227 | static BOOL (WINAPI* _Module32Next)(HANDLE,LPMODULEENTRY32); |
aoqi@0 | 228 | static void (WINAPI *_GetNativeSystemInfo)(LPSYSTEM_INFO); |
aoqi@0 | 229 | #endif |
aoqi@0 | 230 | |
aoqi@0 | 231 | }; |
aoqi@0 | 232 | |
aoqi@0 | 233 | class Advapi32Dll: AllStatic { |
aoqi@0 | 234 | public: |
aoqi@0 | 235 | static BOOL AdjustTokenPrivileges(HANDLE, BOOL, PTOKEN_PRIVILEGES, DWORD, PTOKEN_PRIVILEGES, PDWORD); |
aoqi@0 | 236 | static BOOL OpenProcessToken(HANDLE, DWORD, PHANDLE); |
aoqi@0 | 237 | static BOOL LookupPrivilegeValue(LPCTSTR, LPCTSTR, PLUID); |
aoqi@0 | 238 | |
aoqi@0 | 239 | static BOOL AdvapiAvailable(); |
aoqi@0 | 240 | |
aoqi@0 | 241 | #ifdef JDK6_OR_EARLIER |
aoqi@0 | 242 | private: |
aoqi@0 | 243 | static BOOL (WINAPI *_AdjustTokenPrivileges)(HANDLE, BOOL, PTOKEN_PRIVILEGES, DWORD, PTOKEN_PRIVILEGES, PDWORD); |
aoqi@0 | 244 | static BOOL (WINAPI *_OpenProcessToken)(HANDLE, DWORD, PHANDLE); |
aoqi@0 | 245 | static BOOL (WINAPI *_LookupPrivilegeValue)(LPCTSTR, LPCTSTR, PLUID); |
aoqi@0 | 246 | static BOOL initialized; |
aoqi@0 | 247 | |
aoqi@0 | 248 | static void initialize(); |
aoqi@0 | 249 | #endif |
aoqi@0 | 250 | }; |
aoqi@0 | 251 | |
aoqi@0 | 252 | class PSApiDll: AllStatic { |
aoqi@0 | 253 | public: |
aoqi@0 | 254 | static BOOL EnumProcessModules(HANDLE, HMODULE *, DWORD, LPDWORD); |
aoqi@0 | 255 | static DWORD GetModuleFileNameEx(HANDLE, HMODULE, LPTSTR, DWORD); |
aoqi@0 | 256 | static BOOL GetModuleInformation(HANDLE, HMODULE, LPMODULEINFO, DWORD); |
aoqi@0 | 257 | |
aoqi@0 | 258 | static BOOL PSApiAvailable(); |
aoqi@0 | 259 | |
aoqi@0 | 260 | #ifdef JDK6_OR_EARLIER |
aoqi@0 | 261 | private: |
aoqi@0 | 262 | static BOOL (WINAPI *_EnumProcessModules)(HANDLE, HMODULE *, DWORD, LPDWORD); |
aoqi@0 | 263 | static BOOL (WINAPI *_GetModuleFileNameEx)(HANDLE, HMODULE, LPTSTR, DWORD);; |
aoqi@0 | 264 | static BOOL (WINAPI *_GetModuleInformation)(HANDLE, HMODULE, LPMODULEINFO, DWORD); |
aoqi@0 | 265 | static BOOL initialized; |
aoqi@0 | 266 | |
aoqi@0 | 267 | static void initialize(); |
aoqi@0 | 268 | #endif |
aoqi@0 | 269 | }; |
aoqi@0 | 270 | |
aoqi@0 | 271 | #endif // OS_WINDOWS_VM_OS_WINDOWS_HPP |