Mercurial > hg > graal-compiler
comparison src/os/windows/vm/os_windows.cpp @ 3429:5def270bc147
7016797: Hotspot: securely/restrictive load dlls and new API for loading system dlls
Summary: Created Windows Dll wrapped to handle jdk6 and jdk7 platform requirements, also provided more restictive Dll search orders for Windows system Dlls.
Reviewed-by: acorn, dcubed, ohair, alanb
author | zgu |
---|---|
date | Fri, 15 Apr 2011 09:34:43 -0400 |
parents | 083f13976b51 |
children | 089aee76df10 |
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3428:c97b08c7d72a | 3429:5def270bc147 |
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96 #include <io.h> | 96 #include <io.h> |
97 #include <process.h> // For _beginthreadex(), _endthreadex() | 97 #include <process.h> // For _beginthreadex(), _endthreadex() |
98 #include <imagehlp.h> // For os::dll_address_to_function_name | 98 #include <imagehlp.h> // For os::dll_address_to_function_name |
99 | 99 |
100 /* for enumerating dll libraries */ | 100 /* for enumerating dll libraries */ |
101 #include <tlhelp32.h> | |
102 #include <vdmdbg.h> | 101 #include <vdmdbg.h> |
103 | 102 |
104 // for timer info max values which include all bits | 103 // for timer info max values which include all bits |
105 #define ALL_64_BITS CONST64(0xFFFFFFFFFFFFFFFF) | 104 #define ALL_64_BITS CONST64(0xFFFFFFFFFFFFFFFF) |
106 | 105 |
239 #define PACKAGE_DIR "\\Sun\\Java" | 238 #define PACKAGE_DIR "\\Sun\\Java" |
240 { | 239 { |
241 /* Win32 library search order (See the documentation for LoadLibrary): | 240 /* Win32 library search order (See the documentation for LoadLibrary): |
242 * | 241 * |
243 * 1. The directory from which application is loaded. | 242 * 1. The directory from which application is loaded. |
244 * 2. The current directory | 243 * 2. The system wide Java Extensions directory (Java only) |
245 * 3. The system wide Java Extensions directory (Java only) | 244 * 3. System directory (GetSystemDirectory) |
246 * 4. System directory (GetSystemDirectory) | 245 * 4. Windows directory (GetWindowsDirectory) |
247 * 5. Windows directory (GetWindowsDirectory) | 246 * 5. The PATH environment variable |
248 * 6. The PATH environment variable | 247 * 6. The current directory |
249 */ | 248 */ |
250 | 249 |
251 char *library_path; | 250 char *library_path; |
252 char tmp[MAX_PATH]; | 251 char tmp[MAX_PATH]; |
253 char *path_str = ::getenv("PATH"); | 252 char *path_str = ::getenv("PATH"); |
258 library_path[0] = '\0'; | 257 library_path[0] = '\0'; |
259 | 258 |
260 GetModuleFileName(NULL, tmp, sizeof(tmp)); | 259 GetModuleFileName(NULL, tmp, sizeof(tmp)); |
261 *(strrchr(tmp, '\\')) = '\0'; | 260 *(strrchr(tmp, '\\')) = '\0'; |
262 strcat(library_path, tmp); | 261 strcat(library_path, tmp); |
263 | |
264 strcat(library_path, ";."); | |
265 | 262 |
266 GetWindowsDirectory(tmp, sizeof(tmp)); | 263 GetWindowsDirectory(tmp, sizeof(tmp)); |
267 strcat(library_path, ";"); | 264 strcat(library_path, ";"); |
268 strcat(library_path, tmp); | 265 strcat(library_path, tmp); |
269 strcat(library_path, PACKAGE_DIR BIN_DIR); | 266 strcat(library_path, PACKAGE_DIR BIN_DIR); |
278 | 275 |
279 if (path_str) { | 276 if (path_str) { |
280 strcat(library_path, ";"); | 277 strcat(library_path, ";"); |
281 strcat(library_path, path_str); | 278 strcat(library_path, path_str); |
282 } | 279 } |
280 | |
281 strcat(library_path, ";."); | |
283 | 282 |
284 Arguments::set_library_path(library_path); | 283 Arguments::set_library_path(library_path); |
285 FREE_C_HEAP_ARRAY(char, library_path); | 284 FREE_C_HEAP_ARRAY(char, library_path); |
286 } | 285 } |
287 | 286 |
935 } else if (os::win32::is_windows_server() && !FLAG_IS_DEFAULT(CreateMinidumpOnCrash) && !CreateMinidumpOnCrash) { | 934 } else if (os::win32::is_windows_server() && !FLAG_IS_DEFAULT(CreateMinidumpOnCrash) && !CreateMinidumpOnCrash) { |
936 VMError::report_coredump_status("Minidump has been disabled from the command line", false); | 935 VMError::report_coredump_status("Minidump has been disabled from the command line", false); |
937 return; | 936 return; |
938 } | 937 } |
939 | 938 |
940 dbghelp = LoadLibrary("DBGHELP.DLL"); | 939 dbghelp = os::win32::load_Windows_dll("DBGHELP.DLL", NULL, 0); |
941 | 940 |
942 if (dbghelp == NULL) { | 941 if (dbghelp == NULL) { |
943 VMError::report_coredump_status("Failed to load dbghelp.dll", false); | 942 VMError::report_coredump_status("Failed to load dbghelp.dll", false); |
944 return; | 943 return; |
945 } | 944 } |
1195 return _getcwd(buf, buflen); | 1194 return _getcwd(buf, buflen); |
1196 } | 1195 } |
1197 | 1196 |
1198 //----------------------------------------------------------- | 1197 //----------------------------------------------------------- |
1199 // Helper functions for fatal error handler | 1198 // Helper functions for fatal error handler |
1200 | |
1201 // The following library functions are resolved dynamically at runtime: | |
1202 | |
1203 // PSAPI functions, for Windows NT, 2000, XP | |
1204 | |
1205 // psapi.h doesn't come with Visual Studio 6; it can be downloaded as Platform | |
1206 // SDK from Microsoft. Here are the definitions copied from psapi.h | |
1207 typedef struct _MODULEINFO { | |
1208 LPVOID lpBaseOfDll; | |
1209 DWORD SizeOfImage; | |
1210 LPVOID EntryPoint; | |
1211 } MODULEINFO, *LPMODULEINFO; | |
1212 | |
1213 static BOOL (WINAPI *_EnumProcessModules) ( HANDLE, HMODULE *, DWORD, LPDWORD ); | |
1214 static DWORD (WINAPI *_GetModuleFileNameEx) ( HANDLE, HMODULE, LPTSTR, DWORD ); | |
1215 static BOOL (WINAPI *_GetModuleInformation)( HANDLE, HMODULE, LPMODULEINFO, DWORD ); | |
1216 | |
1217 // ToolHelp Functions, for Windows 95, 98 and ME | |
1218 | |
1219 static HANDLE(WINAPI *_CreateToolhelp32Snapshot)(DWORD,DWORD) ; | |
1220 static BOOL (WINAPI *_Module32First) (HANDLE,LPMODULEENTRY32) ; | |
1221 static BOOL (WINAPI *_Module32Next) (HANDLE,LPMODULEENTRY32) ; | |
1222 | |
1223 bool _has_psapi; | |
1224 bool _psapi_init = false; | |
1225 bool _has_toolhelp; | |
1226 | |
1227 static bool _init_psapi() { | |
1228 HINSTANCE psapi = LoadLibrary( "PSAPI.DLL" ) ; | |
1229 if( psapi == NULL ) return false ; | |
1230 | |
1231 _EnumProcessModules = CAST_TO_FN_PTR( | |
1232 BOOL(WINAPI *)(HANDLE, HMODULE *, DWORD, LPDWORD), | |
1233 GetProcAddress(psapi, "EnumProcessModules")) ; | |
1234 _GetModuleFileNameEx = CAST_TO_FN_PTR( | |
1235 DWORD (WINAPI *)(HANDLE, HMODULE, LPTSTR, DWORD), | |
1236 GetProcAddress(psapi, "GetModuleFileNameExA")); | |
1237 _GetModuleInformation = CAST_TO_FN_PTR( | |
1238 BOOL (WINAPI *)(HANDLE, HMODULE, LPMODULEINFO, DWORD), | |
1239 GetProcAddress(psapi, "GetModuleInformation")); | |
1240 | |
1241 _has_psapi = (_EnumProcessModules && _GetModuleFileNameEx && _GetModuleInformation); | |
1242 _psapi_init = true; | |
1243 return _has_psapi; | |
1244 } | |
1245 | |
1246 static bool _init_toolhelp() { | |
1247 HINSTANCE kernel32 = LoadLibrary("Kernel32.DLL") ; | |
1248 if (kernel32 == NULL) return false ; | |
1249 | |
1250 _CreateToolhelp32Snapshot = CAST_TO_FN_PTR( | |
1251 HANDLE(WINAPI *)(DWORD,DWORD), | |
1252 GetProcAddress(kernel32, "CreateToolhelp32Snapshot")); | |
1253 _Module32First = CAST_TO_FN_PTR( | |
1254 BOOL(WINAPI *)(HANDLE,LPMODULEENTRY32), | |
1255 GetProcAddress(kernel32, "Module32First" )); | |
1256 _Module32Next = CAST_TO_FN_PTR( | |
1257 BOOL(WINAPI *)(HANDLE,LPMODULEENTRY32), | |
1258 GetProcAddress(kernel32, "Module32Next" )); | |
1259 | |
1260 _has_toolhelp = (_CreateToolhelp32Snapshot && _Module32First && _Module32Next); | |
1261 return _has_toolhelp; | |
1262 } | |
1263 | |
1264 #ifdef _WIN64 | 1199 #ifdef _WIN64 |
1265 // Helper routine which returns true if address in | 1200 // Helper routine which returns true if address in |
1266 // within the NTDLL address space. | 1201 // within the NTDLL address space. |
1267 // | 1202 // |
1268 static bool _addr_in_ntdll( address addr ) | 1203 static bool _addr_in_ntdll( address addr ) |
1270 HMODULE hmod; | 1205 HMODULE hmod; |
1271 MODULEINFO minfo; | 1206 MODULEINFO minfo; |
1272 | 1207 |
1273 hmod = GetModuleHandle("NTDLL.DLL"); | 1208 hmod = GetModuleHandle("NTDLL.DLL"); |
1274 if ( hmod == NULL ) return false; | 1209 if ( hmod == NULL ) return false; |
1275 if ( !_GetModuleInformation( GetCurrentProcess(), hmod, | 1210 if ( !os::PSApiDll::GetModuleInformation( GetCurrentProcess(), hmod, |
1276 &minfo, sizeof(MODULEINFO)) ) | 1211 &minfo, sizeof(MODULEINFO)) ) |
1277 return false; | 1212 return false; |
1278 | 1213 |
1279 if ( (addr >= minfo.lpBaseOfDll) && | 1214 if ( (addr >= minfo.lpBaseOfDll) && |
1280 (addr < (address)((uintptr_t)minfo.lpBaseOfDll + (uintptr_t)minfo.SizeOfImage))) | 1215 (addr < (address)((uintptr_t)minfo.lpBaseOfDll + (uintptr_t)minfo.SizeOfImage))) |
1309 # define MAX_NUM_MODULES 128 | 1244 # define MAX_NUM_MODULES 128 |
1310 HMODULE modules[MAX_NUM_MODULES]; | 1245 HMODULE modules[MAX_NUM_MODULES]; |
1311 static char filename[ MAX_PATH ]; | 1246 static char filename[ MAX_PATH ]; |
1312 int result = 0; | 1247 int result = 0; |
1313 | 1248 |
1314 if (!_has_psapi && (_psapi_init || !_init_psapi())) return 0; | 1249 if (!os::PSApiDll::PSApiAvailable()) { |
1250 return 0; | |
1251 } | |
1315 | 1252 |
1316 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, | 1253 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, |
1317 FALSE, pid ) ; | 1254 FALSE, pid ) ; |
1318 if (hProcess == NULL) return 0; | 1255 if (hProcess == NULL) return 0; |
1319 | 1256 |
1320 DWORD size_needed; | 1257 DWORD size_needed; |
1321 if (!_EnumProcessModules(hProcess, modules, | 1258 if (!os::PSApiDll::EnumProcessModules(hProcess, modules, |
1322 sizeof(modules), &size_needed)) { | 1259 sizeof(modules), &size_needed)) { |
1323 CloseHandle( hProcess ); | 1260 CloseHandle( hProcess ); |
1324 return 0; | 1261 return 0; |
1325 } | 1262 } |
1326 | 1263 |
1327 // number of modules that are currently loaded | 1264 // number of modules that are currently loaded |
1328 int num_modules = size_needed / sizeof(HMODULE); | 1265 int num_modules = size_needed / sizeof(HMODULE); |
1329 | 1266 |
1330 for (int i = 0; i < MIN2(num_modules, MAX_NUM_MODULES); i++) { | 1267 for (int i = 0; i < MIN2(num_modules, MAX_NUM_MODULES); i++) { |
1331 // Get Full pathname: | 1268 // Get Full pathname: |
1332 if(!_GetModuleFileNameEx(hProcess, modules[i], | 1269 if(!os::PSApiDll::GetModuleFileNameEx(hProcess, modules[i], |
1333 filename, sizeof(filename))) { | 1270 filename, sizeof(filename))) { |
1334 filename[0] = '\0'; | 1271 filename[0] = '\0'; |
1335 } | 1272 } |
1336 | 1273 |
1337 MODULEINFO modinfo; | 1274 MODULEINFO modinfo; |
1338 if (!_GetModuleInformation(hProcess, modules[i], | 1275 if (!os::PSApiDll::GetModuleInformation(hProcess, modules[i], |
1339 &modinfo, sizeof(modinfo))) { | 1276 &modinfo, sizeof(modinfo))) { |
1340 modinfo.lpBaseOfDll = NULL; | 1277 modinfo.lpBaseOfDll = NULL; |
1341 modinfo.SizeOfImage = 0; | 1278 modinfo.SizeOfImage = 0; |
1342 } | 1279 } |
1343 | 1280 |
1357 { | 1294 { |
1358 HANDLE hSnapShot ; | 1295 HANDLE hSnapShot ; |
1359 static MODULEENTRY32 modentry ; | 1296 static MODULEENTRY32 modentry ; |
1360 int result = 0; | 1297 int result = 0; |
1361 | 1298 |
1362 if (!_has_toolhelp) return 0; | 1299 if (!os::Kernel32Dll::HelpToolsAvailable()) { |
1300 return 0; | |
1301 } | |
1363 | 1302 |
1364 // Get a handle to a Toolhelp snapshot of the system | 1303 // Get a handle to a Toolhelp snapshot of the system |
1365 hSnapShot = _CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, pid ) ; | 1304 hSnapShot = os::Kernel32Dll::CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, pid ) ; |
1366 if( hSnapShot == INVALID_HANDLE_VALUE ) { | 1305 if( hSnapShot == INVALID_HANDLE_VALUE ) { |
1367 return FALSE ; | 1306 return FALSE ; |
1368 } | 1307 } |
1369 | 1308 |
1370 // iterate through all modules | 1309 // iterate through all modules |
1371 modentry.dwSize = sizeof(MODULEENTRY32) ; | 1310 modentry.dwSize = sizeof(MODULEENTRY32) ; |
1372 bool not_done = _Module32First( hSnapShot, &modentry ) != 0; | 1311 bool not_done = os::Kernel32Dll::Module32First( hSnapShot, &modentry ) != 0; |
1373 | 1312 |
1374 while( not_done ) { | 1313 while( not_done ) { |
1375 // invoke the callback | 1314 // invoke the callback |
1376 result=func(pid, modentry.szExePath, (address)modentry.modBaseAddr, | 1315 result=func(pid, modentry.szExePath, (address)modentry.modBaseAddr, |
1377 modentry.modBaseSize, param); | 1316 modentry.modBaseSize, param); |
1378 if (result) break; | 1317 if (result) break; |
1379 | 1318 |
1380 modentry.dwSize = sizeof(MODULEENTRY32) ; | 1319 modentry.dwSize = sizeof(MODULEENTRY32) ; |
1381 not_done = _Module32Next( hSnapShot, &modentry ) != 0; | 1320 not_done = os::Kernel32Dll::Module32Next( hSnapShot, &modentry ) != 0; |
1382 } | 1321 } |
1383 | 1322 |
1384 CloseHandle(hSnapShot); | 1323 CloseHandle(hSnapShot); |
1385 return result; | 1324 return result; |
1386 } | 1325 } |
1622 int pid = os::current_process_id(); | 1561 int pid = os::current_process_id(); |
1623 st->print_cr("Dynamic libraries:"); | 1562 st->print_cr("Dynamic libraries:"); |
1624 enumerate_modules(pid, _print_module, (void *)st); | 1563 enumerate_modules(pid, _print_module, (void *)st); |
1625 } | 1564 } |
1626 | 1565 |
1627 // function pointer to Windows API "GetNativeSystemInfo". | |
1628 typedef void (WINAPI *GetNativeSystemInfo_func_type)(LPSYSTEM_INFO); | |
1629 static GetNativeSystemInfo_func_type _GetNativeSystemInfo; | |
1630 | |
1631 void os::print_os_info(outputStream* st) { | 1566 void os::print_os_info(outputStream* st) { |
1632 st->print("OS:"); | 1567 st->print("OS:"); |
1633 | 1568 |
1634 OSVERSIONINFOEX osvi; | 1569 OSVERSIONINFOEX osvi; |
1635 ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX)); | 1570 ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX)); |
1652 case 6001: { | 1587 case 6001: { |
1653 // Retrieve SYSTEM_INFO from GetNativeSystemInfo call so that we could | 1588 // Retrieve SYSTEM_INFO from GetNativeSystemInfo call so that we could |
1654 // find out whether we are running on 64 bit processor or not. | 1589 // find out whether we are running on 64 bit processor or not. |
1655 SYSTEM_INFO si; | 1590 SYSTEM_INFO si; |
1656 ZeroMemory(&si, sizeof(SYSTEM_INFO)); | 1591 ZeroMemory(&si, sizeof(SYSTEM_INFO)); |
1657 // Check to see if _GetNativeSystemInfo has been initialized. | 1592 if (!os::Kernel32Dll::GetNativeSystemInfoAvailable()){ |
1658 if (_GetNativeSystemInfo == NULL) { | |
1659 HMODULE hKernel32 = GetModuleHandle(TEXT("kernel32.dll")); | |
1660 _GetNativeSystemInfo = | |
1661 CAST_TO_FN_PTR(GetNativeSystemInfo_func_type, | |
1662 GetProcAddress(hKernel32, | |
1663 "GetNativeSystemInfo")); | |
1664 if (_GetNativeSystemInfo == NULL) | |
1665 GetSystemInfo(&si); | 1593 GetSystemInfo(&si); |
1666 } else { | 1594 } else { |
1667 _GetNativeSystemInfo(&si); | 1595 os::Kernel32Dll::GetNativeSystemInfo(&si); |
1668 } | 1596 } |
1669 if (os_vers == 5002) { | 1597 if (os_vers == 5002) { |
1670 if (osvi.wProductType == VER_NT_WORKSTATION && | 1598 if (osvi.wProductType == VER_NT_WORKSTATION && |
1671 si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64) | 1599 si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64) |
1672 st->print(" Windows XP x64 Edition"); | 1600 st->print(" Windows XP x64 Edition"); |
2670 | 2598 |
2671 #ifndef MEM_LARGE_PAGES | 2599 #ifndef MEM_LARGE_PAGES |
2672 #define MEM_LARGE_PAGES 0x20000000 | 2600 #define MEM_LARGE_PAGES 0x20000000 |
2673 #endif | 2601 #endif |
2674 | 2602 |
2675 // GetLargePageMinimum is only available on Windows 2003. The other functions | |
2676 // are available on NT but not on Windows 98/Me. We have to resolve them at | |
2677 // runtime. | |
2678 typedef SIZE_T (WINAPI *GetLargePageMinimum_func_type) (void); | |
2679 typedef BOOL (WINAPI *AdjustTokenPrivileges_func_type) | |
2680 (HANDLE, BOOL, PTOKEN_PRIVILEGES, DWORD, PTOKEN_PRIVILEGES, PDWORD); | |
2681 typedef BOOL (WINAPI *OpenProcessToken_func_type) (HANDLE, DWORD, PHANDLE); | |
2682 typedef BOOL (WINAPI *LookupPrivilegeValue_func_type) (LPCTSTR, LPCTSTR, PLUID); | |
2683 | |
2684 static GetLargePageMinimum_func_type _GetLargePageMinimum; | |
2685 static AdjustTokenPrivileges_func_type _AdjustTokenPrivileges; | |
2686 static OpenProcessToken_func_type _OpenProcessToken; | |
2687 static LookupPrivilegeValue_func_type _LookupPrivilegeValue; | |
2688 | |
2689 static HINSTANCE _kernel32; | |
2690 static HINSTANCE _advapi32; | |
2691 static HANDLE _hProcess; | 2603 static HANDLE _hProcess; |
2692 static HANDLE _hToken; | 2604 static HANDLE _hToken; |
2693 | 2605 |
2694 static size_t _large_page_size = 0; | 2606 static size_t _large_page_size = 0; |
2695 | 2607 |
2696 static bool resolve_functions_for_large_page_init() { | 2608 static bool resolve_functions_for_large_page_init() { |
2697 _kernel32 = LoadLibrary("kernel32.dll"); | 2609 return os::Kernel32Dll::GetLargePageMinimumAvailable() && |
2698 if (_kernel32 == NULL) return false; | 2610 os::Advapi32Dll::AdvapiAvailable(); |
2699 | |
2700 _GetLargePageMinimum = CAST_TO_FN_PTR(GetLargePageMinimum_func_type, | |
2701 GetProcAddress(_kernel32, "GetLargePageMinimum")); | |
2702 if (_GetLargePageMinimum == NULL) return false; | |
2703 | |
2704 _advapi32 = LoadLibrary("advapi32.dll"); | |
2705 if (_advapi32 == NULL) return false; | |
2706 | |
2707 _AdjustTokenPrivileges = CAST_TO_FN_PTR(AdjustTokenPrivileges_func_type, | |
2708 GetProcAddress(_advapi32, "AdjustTokenPrivileges")); | |
2709 _OpenProcessToken = CAST_TO_FN_PTR(OpenProcessToken_func_type, | |
2710 GetProcAddress(_advapi32, "OpenProcessToken")); | |
2711 _LookupPrivilegeValue = CAST_TO_FN_PTR(LookupPrivilegeValue_func_type, | |
2712 GetProcAddress(_advapi32, "LookupPrivilegeValueA")); | |
2713 return _AdjustTokenPrivileges != NULL && | |
2714 _OpenProcessToken != NULL && | |
2715 _LookupPrivilegeValue != NULL; | |
2716 } | 2611 } |
2717 | 2612 |
2718 static bool request_lock_memory_privilege() { | 2613 static bool request_lock_memory_privilege() { |
2719 _hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, | 2614 _hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, |
2720 os::current_process_id()); | 2615 os::current_process_id()); |
2721 | 2616 |
2722 LUID luid; | 2617 LUID luid; |
2723 if (_hProcess != NULL && | 2618 if (_hProcess != NULL && |
2724 _OpenProcessToken(_hProcess, TOKEN_ADJUST_PRIVILEGES, &_hToken) && | 2619 os::Advapi32Dll::OpenProcessToken(_hProcess, TOKEN_ADJUST_PRIVILEGES, &_hToken) && |
2725 _LookupPrivilegeValue(NULL, "SeLockMemoryPrivilege", &luid)) { | 2620 os::Advapi32Dll::LookupPrivilegeValue(NULL, "SeLockMemoryPrivilege", &luid)) { |
2726 | 2621 |
2727 TOKEN_PRIVILEGES tp; | 2622 TOKEN_PRIVILEGES tp; |
2728 tp.PrivilegeCount = 1; | 2623 tp.PrivilegeCount = 1; |
2729 tp.Privileges[0].Luid = luid; | 2624 tp.Privileges[0].Luid = luid; |
2730 tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; | 2625 tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; |
2731 | 2626 |
2732 // AdjustTokenPrivileges() may return TRUE even when it couldn't change the | 2627 // AdjustTokenPrivileges() may return TRUE even when it couldn't change the |
2733 // privilege. Check GetLastError() too. See MSDN document. | 2628 // privilege. Check GetLastError() too. See MSDN document. |
2734 if (_AdjustTokenPrivileges(_hToken, false, &tp, sizeof(tp), NULL, NULL) && | 2629 if (os::Advapi32Dll::AdjustTokenPrivileges(_hToken, false, &tp, sizeof(tp), NULL, NULL) && |
2735 (GetLastError() == ERROR_SUCCESS)) { | 2630 (GetLastError() == ERROR_SUCCESS)) { |
2736 return true; | 2631 return true; |
2737 } | 2632 } |
2738 } | 2633 } |
2739 | 2634 |
2740 return false; | 2635 return false; |
2741 } | 2636 } |
2742 | 2637 |
2743 static void cleanup_after_large_page_init() { | 2638 static void cleanup_after_large_page_init() { |
2744 _GetLargePageMinimum = NULL; | |
2745 _AdjustTokenPrivileges = NULL; | |
2746 _OpenProcessToken = NULL; | |
2747 _LookupPrivilegeValue = NULL; | |
2748 if (_kernel32) FreeLibrary(_kernel32); | |
2749 _kernel32 = NULL; | |
2750 if (_advapi32) FreeLibrary(_advapi32); | |
2751 _advapi32 = NULL; | |
2752 if (_hProcess) CloseHandle(_hProcess); | 2639 if (_hProcess) CloseHandle(_hProcess); |
2753 _hProcess = NULL; | 2640 _hProcess = NULL; |
2754 if (_hToken) CloseHandle(_hToken); | 2641 if (_hToken) CloseHandle(_hToken); |
2755 _hToken = NULL; | 2642 _hToken = NULL; |
2756 } | 2643 } |
2764 bool success = false; | 2651 bool success = false; |
2765 | 2652 |
2766 # define WARN(msg) if (warn_on_failure) { warning(msg); } | 2653 # define WARN(msg) if (warn_on_failure) { warning(msg); } |
2767 if (resolve_functions_for_large_page_init()) { | 2654 if (resolve_functions_for_large_page_init()) { |
2768 if (request_lock_memory_privilege()) { | 2655 if (request_lock_memory_privilege()) { |
2769 size_t s = _GetLargePageMinimum(); | 2656 size_t s = os::Kernel32Dll::GetLargePageMinimum(); |
2770 if (s) { | 2657 if (s) { |
2771 #if defined(IA32) || defined(AMD64) | 2658 #if defined(IA32) || defined(AMD64) |
2772 if (s > 4*M || LargePageSizeInBytes > 4*M) { | 2659 if (s > 4*M || LargePageSizeInBytes > 4*M) { |
2773 WARN("JVM cannot use large pages bigger than 4mb."); | 2660 WARN("JVM cannot use large pages bigger than 4mb."); |
2774 } else { | 2661 } else { |
3177 typedef BOOL (WINAPI * STTSignature)(void) ; | 3064 typedef BOOL (WINAPI * STTSignature)(void) ; |
3178 | 3065 |
3179 os::YieldResult os::NakedYield() { | 3066 os::YieldResult os::NakedYield() { |
3180 // Use either SwitchToThread() or Sleep(0) | 3067 // Use either SwitchToThread() or Sleep(0) |
3181 // Consider passing back the return value from SwitchToThread(). | 3068 // Consider passing back the return value from SwitchToThread(). |
3182 // We use GetProcAddress() as ancient Win9X versions of windows doen't support SwitchToThread. | 3069 if (os::Kernel32Dll::SwitchToThreadAvailable()) { |
3183 // In that case we revert to Sleep(0). | 3070 return SwitchToThread() ? os::YIELD_SWITCHED : os::YIELD_NONEREADY ; |
3184 static volatile STTSignature stt = (STTSignature) 1 ; | |
3185 | |
3186 if (stt == ((STTSignature) 1)) { | |
3187 stt = (STTSignature) ::GetProcAddress (LoadLibrary ("Kernel32.dll"), "SwitchToThread") ; | |
3188 // It's OK if threads race during initialization as the operation above is idempotent. | |
3189 } | |
3190 if (stt != NULL) { | |
3191 return (*stt)() ? os::YIELD_SWITCHED : os::YIELD_NONEREADY ; | |
3192 } else { | 3071 } else { |
3193 Sleep (0) ; | 3072 Sleep(0); |
3194 } | 3073 } |
3195 return os::YIELD_UNKNOWN ; | 3074 return os::YIELD_UNKNOWN ; |
3196 } | 3075 } |
3197 | 3076 |
3198 void os::yield() { os::NakedYield(); } | 3077 void os::yield() { os::NakedYield(); } |
3412 StarvationMonitorInterval = 6000; | 3291 StarvationMonitorInterval = 6000; |
3413 } | 3292 } |
3414 } | 3293 } |
3415 | 3294 |
3416 | 3295 |
3296 HINSTANCE os::win32::load_Windows_dll(const char* name, char *ebuf, int ebuflen) { | |
3297 char path[MAX_PATH]; | |
3298 DWORD size; | |
3299 DWORD pathLen = (DWORD)sizeof(path); | |
3300 HINSTANCE result = NULL; | |
3301 | |
3302 // only allow library name without path component | |
3303 assert(strchr(name, '\\') == NULL, "path not allowed"); | |
3304 assert(strchr(name, ':') == NULL, "path not allowed"); | |
3305 if (strchr(name, '\\') != NULL || strchr(name, ':') != NULL) { | |
3306 jio_snprintf(ebuf, ebuflen, | |
3307 "Invalid parameter while calling os::win32::load_windows_dll(): cannot take path: %s", name); | |
3308 return NULL; | |
3309 } | |
3310 | |
3311 // search system directory | |
3312 if ((size = GetSystemDirectory(path, pathLen)) > 0) { | |
3313 strcat(path, "\\"); | |
3314 strcat(path, name); | |
3315 if ((result = (HINSTANCE)os::dll_load(path, ebuf, ebuflen)) != NULL) { | |
3316 return result; | |
3317 } | |
3318 } | |
3319 | |
3320 // try Windows directory | |
3321 if ((size = GetWindowsDirectory(path, pathLen)) > 0) { | |
3322 strcat(path, "\\"); | |
3323 strcat(path, name); | |
3324 if ((result = (HINSTANCE)os::dll_load(path, ebuf, ebuflen)) != NULL) { | |
3325 return result; | |
3326 } | |
3327 } | |
3328 | |
3329 jio_snprintf(ebuf, ebuflen, | |
3330 "os::win32::load_windows_dll() cannot load %s from system directories.", name); | |
3331 return NULL; | |
3332 } | |
3333 | |
3417 void os::win32::setmode_streams() { | 3334 void os::win32::setmode_streams() { |
3418 _setmode(_fileno(stdin), _O_BINARY); | 3335 _setmode(_fileno(stdin), _O_BINARY); |
3419 _setmode(_fileno(stdout), _O_BINARY); | 3336 _setmode(_fileno(stdout), _O_BINARY); |
3420 _setmode(_fileno(stderr), _O_BINARY); | 3337 _setmode(_fileno(stderr), _O_BINARY); |
3421 } | 3338 } |
3644 // VM_Exit VMOperation's doit method. | 3561 // VM_Exit VMOperation's doit method. |
3645 if (atexit(perfMemory_exit_helper) != 0) { | 3562 if (atexit(perfMemory_exit_helper) != 0) { |
3646 warning("os::init_2 atexit(perfMemory_exit_helper) failed"); | 3563 warning("os::init_2 atexit(perfMemory_exit_helper) failed"); |
3647 } | 3564 } |
3648 } | 3565 } |
3649 | |
3650 // initialize PSAPI or ToolHelp for fatal error handler | |
3651 if (win32::is_nt()) _init_psapi(); | |
3652 else _init_toolhelp(); | |
3653 | 3566 |
3654 #ifndef _WIN64 | 3567 #ifndef _WIN64 |
3655 // Print something if NX is enabled (win32 on AMD64) | 3568 // Print something if NX is enabled (win32 on AMD64) |
3656 NOT_PRODUCT(if (PrintMiscellaneous && Verbose) nx_check_protection()); | 3569 NOT_PRODUCT(if (PrintMiscellaneous && Verbose) nx_check_protection()); |
3657 #endif | 3570 #endif |
4695 | 4608 |
4696 | 4609 |
4697 // We don't build a headless jre for Windows | 4610 // We don't build a headless jre for Windows |
4698 bool os::is_headless_jre() { return false; } | 4611 bool os::is_headless_jre() { return false; } |
4699 | 4612 |
4700 // OS_SocketInterface | |
4701 // Not used on Windows | |
4702 | |
4703 // OS_SocketInterface | |
4704 typedef struct hostent * (PASCAL FAR *ws2_ifn_ptr_t)(...); | |
4705 ws2_ifn_ptr_t *get_host_by_name_fn = NULL; | |
4706 | 4613 |
4707 typedef CRITICAL_SECTION mutex_t; | 4614 typedef CRITICAL_SECTION mutex_t; |
4708 #define mutexInit(m) InitializeCriticalSection(m) | 4615 #define mutexInit(m) InitializeCriticalSection(m) |
4709 #define mutexDestroy(m) DeleteCriticalSection(m) | 4616 #define mutexDestroy(m) DeleteCriticalSection(m) |
4710 #define mutexLock(m) EnterCriticalSection(m) | 4617 #define mutexLock(m) EnterCriticalSection(m) |
4711 #define mutexUnlock(m) LeaveCriticalSection(m) | 4618 #define mutexUnlock(m) LeaveCriticalSection(m) |
4712 | 4619 |
4713 static bool sockfnptrs_initialized = FALSE; | 4620 static bool sock_initialized = FALSE; |
4714 static mutex_t sockFnTableMutex; | 4621 static mutex_t sockFnTableMutex; |
4715 | 4622 |
4716 /* is Winsock2 loaded? better to be explicit than to rely on sockfnptrs */ | 4623 static void initSock() { |
4717 static bool winsock2Available = FALSE; | |
4718 | |
4719 | |
4720 static void initSockFnTable() { | |
4721 int (PASCAL FAR* WSAStartupPtr)(WORD, LPWSADATA); | |
4722 WSADATA wsadata; | 4624 WSADATA wsadata; |
4625 | |
4626 if (!os::WinSock2Dll::WinSock2Available()) { | |
4627 jio_fprintf(stderr, "Could not load Winsock 2 (error: %d)\n", | |
4628 ::GetLastError()); | |
4629 return; | |
4630 } | |
4631 if (sock_initialized == TRUE) return; | |
4723 | 4632 |
4724 ::mutexInit(&sockFnTableMutex); | 4633 ::mutexInit(&sockFnTableMutex); |
4725 ::mutexLock(&sockFnTableMutex); | 4634 ::mutexLock(&sockFnTableMutex); |
4726 | 4635 if (os::WinSock2Dll::WSAStartup(MAKEWORD(1,1), &wsadata) != 0) { |
4727 if (sockfnptrs_initialized == FALSE) { | 4636 jio_fprintf(stderr, "Could not initialize Winsock\n"); |
4728 HMODULE hWinsock; | 4637 } |
4729 | 4638 sock_initialized = TRUE; |
4730 /* try to load Winsock2, and if that fails, load Winsock */ | |
4731 hWinsock = ::LoadLibrary("ws2_32.dll"); | |
4732 | |
4733 if (hWinsock == NULL) { | |
4734 jio_fprintf(stderr, "Could not load Winsock 2 (error: %d)\n", | |
4735 ::GetLastError()); | |
4736 return; | |
4737 } | |
4738 | |
4739 /* If we loaded a DLL, then we might as well initialize it. */ | |
4740 WSAStartupPtr = (int (PASCAL FAR *)(WORD, LPWSADATA)) | |
4741 ::GetProcAddress(hWinsock, "WSAStartup"); | |
4742 | |
4743 if (WSAStartupPtr(MAKEWORD(1,1), &wsadata) != 0) { | |
4744 jio_fprintf(stderr, "Could not initialize Winsock\n"); | |
4745 } | |
4746 | |
4747 get_host_by_name_fn | |
4748 = (ws2_ifn_ptr_t*) GetProcAddress(hWinsock, "gethostbyname"); | |
4749 } | |
4750 | |
4751 assert(get_host_by_name_fn != NULL, | |
4752 "gethostbyname function not found"); | |
4753 sockfnptrs_initialized = TRUE; | |
4754 ::mutexUnlock(&sockFnTableMutex); | 4639 ::mutexUnlock(&sockFnTableMutex); |
4755 } | 4640 } |
4756 | 4641 |
4757 struct hostent* os::get_host_by_name(char* name) { | 4642 struct hostent* os::get_host_by_name(char* name) { |
4758 if (!sockfnptrs_initialized) { | 4643 if (!sock_initialized) { |
4759 initSockFnTable(); | 4644 initSock(); |
4760 } | 4645 } |
4761 | 4646 if (!os::WinSock2Dll::WinSock2Available()) { |
4762 assert(sockfnptrs_initialized == TRUE && get_host_by_name_fn != NULL, | 4647 return NULL; |
4763 "sockfnptrs is not initialized or pointer to gethostbyname function is NULL"); | 4648 } |
4764 return (*get_host_by_name_fn)(name); | 4649 return (struct hostent*)os::WinSock2Dll::gethostbyname(name); |
4765 } | 4650 } |
4766 | 4651 |
4767 | 4652 |
4768 int os::socket_close(int fd) { | 4653 int os::socket_close(int fd) { |
4769 ShouldNotReachHere(); | 4654 ShouldNotReachHere(); |
4856 int os::set_sock_opt(int fd, int level, int optname, | 4741 int os::set_sock_opt(int fd, int level, int optname, |
4857 const char *optval, int optlen) { | 4742 const char *optval, int optlen) { |
4858 ShouldNotReachHere(); | 4743 ShouldNotReachHere(); |
4859 return 0; | 4744 return 0; |
4860 } | 4745 } |
4746 | |
4747 | |
4748 // Kernel32 API | |
4749 typedef SIZE_T (WINAPI* GetLargePageMinimum_Fn)(void); | |
4750 GetLargePageMinimum_Fn os::Kernel32Dll::_GetLargePageMinimum = NULL; | |
4751 BOOL os::Kernel32Dll::initialized = FALSE; | |
4752 SIZE_T os::Kernel32Dll::GetLargePageMinimum() { | |
4753 assert(initialized && _GetLargePageMinimum != NULL, | |
4754 "GetLargePageMinimumAvailable() not yet called"); | |
4755 return _GetLargePageMinimum(); | |
4756 } | |
4757 | |
4758 BOOL os::Kernel32Dll::GetLargePageMinimumAvailable() { | |
4759 if (!initialized) { | |
4760 initialize(); | |
4761 } | |
4762 return _GetLargePageMinimum != NULL; | |
4763 } | |
4764 | |
4765 | |
4766 #ifndef JDK6_OR_EARLIER | |
4767 | |
4768 void os::Kernel32Dll::initialize() { | |
4769 if (!initialized) { | |
4770 HMODULE handle = ::GetModuleHandle("Kernel32.dll"); | |
4771 assert(handle != NULL, "Just check"); | |
4772 _GetLargePageMinimum = (GetLargePageMinimum_Fn)::GetProcAddress(handle, "GetLargePageMinimum"); | |
4773 initialized = TRUE; | |
4774 } | |
4775 } | |
4776 | |
4777 | |
4778 // Kernel32 API | |
4779 inline BOOL os::Kernel32Dll::SwitchToThread() { | |
4780 return ::SwitchToThread(); | |
4781 } | |
4782 | |
4783 inline BOOL os::Kernel32Dll::SwitchToThreadAvailable() { | |
4784 return true; | |
4785 } | |
4786 | |
4787 // Help tools | |
4788 inline BOOL os::Kernel32Dll::HelpToolsAvailable() { | |
4789 return true; | |
4790 } | |
4791 | |
4792 inline HANDLE os::Kernel32Dll::CreateToolhelp32Snapshot(DWORD dwFlags,DWORD th32ProcessId) { | |
4793 return ::CreateToolhelp32Snapshot(dwFlags, th32ProcessId); | |
4794 } | |
4795 | |
4796 inline BOOL os::Kernel32Dll::Module32First(HANDLE hSnapshot,LPMODULEENTRY32 lpme) { | |
4797 return ::Module32First(hSnapshot, lpme); | |
4798 } | |
4799 | |
4800 inline BOOL os::Kernel32Dll::Module32Next(HANDLE hSnapshot,LPMODULEENTRY32 lpme) { | |
4801 return ::Module32Next(hSnapshot, lpme); | |
4802 } | |
4803 | |
4804 | |
4805 inline BOOL os::Kernel32Dll::GetNativeSystemInfoAvailable() { | |
4806 return true; | |
4807 } | |
4808 | |
4809 inline void os::Kernel32Dll::GetNativeSystemInfo(LPSYSTEM_INFO lpSystemInfo) { | |
4810 ::GetNativeSystemInfo(lpSystemInfo); | |
4811 } | |
4812 | |
4813 // PSAPI API | |
4814 inline BOOL os::PSApiDll::EnumProcessModules(HANDLE hProcess, HMODULE *lpModule, DWORD cb, LPDWORD lpcbNeeded) { | |
4815 return ::EnumProcessModules(hProcess, lpModule, cb, lpcbNeeded); | |
4816 } | |
4817 | |
4818 inline DWORD os::PSApiDll::GetModuleFileNameEx(HANDLE hProcess, HMODULE hModule, LPTSTR lpFilename, DWORD nSize) { | |
4819 return ::GetModuleFileNameEx(hProcess, hModule, lpFilename, nSize); | |
4820 } | |
4821 | |
4822 inline BOOL os::PSApiDll::GetModuleInformation(HANDLE hProcess, HMODULE hModule, LPMODULEINFO lpmodinfo, DWORD cb) { | |
4823 return ::GetModuleInformation(hProcess, hModule, lpmodinfo, cb); | |
4824 } | |
4825 | |
4826 inline BOOL os::PSApiDll::PSApiAvailable() { | |
4827 return true; | |
4828 } | |
4829 | |
4830 | |
4831 // WinSock2 API | |
4832 inline BOOL os::WinSock2Dll::WSAStartup(WORD wVersionRequested, LPWSADATA lpWSAData) { | |
4833 return ::WSAStartup(wVersionRequested, lpWSAData); | |
4834 } | |
4835 | |
4836 inline struct hostent* os::WinSock2Dll::gethostbyname(const char *name) { | |
4837 return ::gethostbyname(name); | |
4838 } | |
4839 | |
4840 inline BOOL os::WinSock2Dll::WinSock2Available() { | |
4841 return true; | |
4842 } | |
4843 | |
4844 // Advapi API | |
4845 inline BOOL os::Advapi32Dll::AdjustTokenPrivileges(HANDLE TokenHandle, | |
4846 BOOL DisableAllPrivileges, PTOKEN_PRIVILEGES NewState, DWORD BufferLength, | |
4847 PTOKEN_PRIVILEGES PreviousState, PDWORD ReturnLength) { | |
4848 return ::AdjustTokenPrivileges(TokenHandle, DisableAllPrivileges, NewState, | |
4849 BufferLength, PreviousState, ReturnLength); | |
4850 } | |
4851 | |
4852 inline BOOL os::Advapi32Dll::OpenProcessToken(HANDLE ProcessHandle, DWORD DesiredAccess, | |
4853 PHANDLE TokenHandle) { | |
4854 return ::OpenProcessToken(ProcessHandle, DesiredAccess, TokenHandle); | |
4855 } | |
4856 | |
4857 inline BOOL os::Advapi32Dll::LookupPrivilegeValue(LPCTSTR lpSystemName, LPCTSTR lpName, PLUID lpLuid) { | |
4858 return ::LookupPrivilegeValue(lpSystemName, lpName, lpLuid); | |
4859 } | |
4860 | |
4861 inline BOOL os::Advapi32Dll::AdvapiAvailable() { | |
4862 return true; | |
4863 } | |
4864 | |
4865 #else | |
4866 // Kernel32 API | |
4867 typedef BOOL (WINAPI* SwitchToThread_Fn)(void); | |
4868 typedef HANDLE (WINAPI* CreateToolhelp32Snapshot_Fn)(DWORD,DWORD); | |
4869 typedef BOOL (WINAPI* Module32First_Fn)(HANDLE,LPMODULEENTRY32); | |
4870 typedef BOOL (WINAPI* Module32Next_Fn)(HANDLE,LPMODULEENTRY32); | |
4871 typedef void (WINAPI* GetNativeSystemInfo_Fn)(LPSYSTEM_INFO); | |
4872 | |
4873 SwitchToThread_Fn os::Kernel32Dll::_SwitchToThread = NULL; | |
4874 CreateToolhelp32Snapshot_Fn os::Kernel32Dll::_CreateToolhelp32Snapshot = NULL; | |
4875 Module32First_Fn os::Kernel32Dll::_Module32First = NULL; | |
4876 Module32Next_Fn os::Kernel32Dll::_Module32Next = NULL; | |
4877 GetNativeSystemInfo_Fn os::Kernel32Dll::_GetNativeSystemInfo = NULL; | |
4878 | |
4879 void os::Kernel32Dll::initialize() { | |
4880 if (!initialized) { | |
4881 HMODULE handle = ::GetModuleHandle("Kernel32.dll"); | |
4882 assert(handle != NULL, "Just check"); | |
4883 | |
4884 _SwitchToThread = (SwitchToThread_Fn)::GetProcAddress(handle, "SwitchToThread"); | |
4885 _GetLargePageMinimum = (GetLargePageMinimum_Fn)::GetProcAddress(handle, "GetLargePageMinimum"); | |
4886 _CreateToolhelp32Snapshot = (CreateToolhelp32Snapshot_Fn) | |
4887 ::GetProcAddress(handle, "CreateToolhelp32Snapshot"); | |
4888 _Module32First = (Module32First_Fn)::GetProcAddress(handle, "Module32First"); | |
4889 _Module32Next = (Module32Next_Fn)::GetProcAddress(handle, "Module32Next"); | |
4890 _GetNativeSystemInfo = (GetNativeSystemInfo_Fn)::GetProcAddress(handle, "GetNativeSystemInfo"); | |
4891 | |
4892 initialized = TRUE; | |
4893 } | |
4894 } | |
4895 | |
4896 BOOL os::Kernel32Dll::SwitchToThread() { | |
4897 assert(initialized && _SwitchToThread != NULL, | |
4898 "SwitchToThreadAvailable() not yet called"); | |
4899 return _SwitchToThread(); | |
4900 } | |
4901 | |
4902 | |
4903 BOOL os::Kernel32Dll::SwitchToThreadAvailable() { | |
4904 if (!initialized) { | |
4905 initialize(); | |
4906 } | |
4907 return _SwitchToThread != NULL; | |
4908 } | |
4909 | |
4910 // Help tools | |
4911 BOOL os::Kernel32Dll::HelpToolsAvailable() { | |
4912 if (!initialized) { | |
4913 initialize(); | |
4914 } | |
4915 return _CreateToolhelp32Snapshot != NULL && | |
4916 _Module32First != NULL && | |
4917 _Module32Next != NULL; | |
4918 } | |
4919 | |
4920 HANDLE os::Kernel32Dll::CreateToolhelp32Snapshot(DWORD dwFlags,DWORD th32ProcessId) { | |
4921 assert(initialized && _CreateToolhelp32Snapshot != NULL, | |
4922 "HelpToolsAvailable() not yet called"); | |
4923 | |
4924 return _CreateToolhelp32Snapshot(dwFlags, th32ProcessId); | |
4925 } | |
4926 | |
4927 BOOL os::Kernel32Dll::Module32First(HANDLE hSnapshot,LPMODULEENTRY32 lpme) { | |
4928 assert(initialized && _Module32First != NULL, | |
4929 "HelpToolsAvailable() not yet called"); | |
4930 | |
4931 return _Module32First(hSnapshot, lpme); | |
4932 } | |
4933 | |
4934 inline BOOL os::Kernel32Dll::Module32Next(HANDLE hSnapshot,LPMODULEENTRY32 lpme) { | |
4935 assert(initialized && _Module32Next != NULL, | |
4936 "HelpToolsAvailable() not yet called"); | |
4937 | |
4938 return _Module32Next(hSnapshot, lpme); | |
4939 } | |
4940 | |
4941 | |
4942 BOOL os::Kernel32Dll::GetNativeSystemInfoAvailable() { | |
4943 if (!initialized) { | |
4944 initialize(); | |
4945 } | |
4946 return _GetNativeSystemInfo != NULL; | |
4947 } | |
4948 | |
4949 void os::Kernel32Dll::GetNativeSystemInfo(LPSYSTEM_INFO lpSystemInfo) { | |
4950 assert(initialized && _GetNativeSystemInfo != NULL, | |
4951 "GetNativeSystemInfoAvailable() not yet called"); | |
4952 | |
4953 _GetNativeSystemInfo(lpSystemInfo); | |
4954 } | |
4955 | |
4956 // PSAPI API | |
4957 | |
4958 | |
4959 typedef BOOL (WINAPI *EnumProcessModules_Fn)(HANDLE, HMODULE *, DWORD, LPDWORD); | |
4960 typedef BOOL (WINAPI *GetModuleFileNameEx_Fn)(HANDLE, HMODULE, LPTSTR, DWORD);; | |
4961 typedef BOOL (WINAPI *GetModuleInformation_Fn)(HANDLE, HMODULE, LPMODULEINFO, DWORD); | |
4962 | |
4963 EnumProcessModules_Fn os::PSApiDll::_EnumProcessModules = NULL; | |
4964 GetModuleFileNameEx_Fn os::PSApiDll::_GetModuleFileNameEx = NULL; | |
4965 GetModuleInformation_Fn os::PSApiDll::_GetModuleInformation = NULL; | |
4966 BOOL os::PSApiDll::initialized = FALSE; | |
4967 | |
4968 void os::PSApiDll::initialize() { | |
4969 if (!initialized) { | |
4970 HMODULE handle = os::win32::load_Windows_dll("PSAPI.DLL", NULL, 0); | |
4971 if (handle != NULL) { | |
4972 _EnumProcessModules = (EnumProcessModules_Fn)::GetProcAddress(handle, | |
4973 "EnumProcessModules"); | |
4974 _GetModuleFileNameEx = (GetModuleFileNameEx_Fn)::GetProcAddress(handle, | |
4975 "GetModuleFileNameExA"); | |
4976 _GetModuleInformation = (GetModuleInformation_Fn)::GetProcAddress(handle, | |
4977 "GetModuleInformation"); | |
4978 } | |
4979 initialized = TRUE; | |
4980 } | |
4981 } | |
4982 | |
4983 | |
4984 | |
4985 BOOL os::PSApiDll::EnumProcessModules(HANDLE hProcess, HMODULE *lpModule, DWORD cb, LPDWORD lpcbNeeded) { | |
4986 assert(initialized && _EnumProcessModules != NULL, | |
4987 "PSApiAvailable() not yet called"); | |
4988 return _EnumProcessModules(hProcess, lpModule, cb, lpcbNeeded); | |
4989 } | |
4990 | |
4991 DWORD os::PSApiDll::GetModuleFileNameEx(HANDLE hProcess, HMODULE hModule, LPTSTR lpFilename, DWORD nSize) { | |
4992 assert(initialized && _GetModuleFileNameEx != NULL, | |
4993 "PSApiAvailable() not yet called"); | |
4994 return _GetModuleFileNameEx(hProcess, hModule, lpFilename, nSize); | |
4995 } | |
4996 | |
4997 BOOL os::PSApiDll::GetModuleInformation(HANDLE hProcess, HMODULE hModule, LPMODULEINFO lpmodinfo, DWORD cb) { | |
4998 assert(initialized && _GetModuleInformation != NULL, | |
4999 "PSApiAvailable() not yet called"); | |
5000 return _GetModuleInformation(hProcess, hModule, lpmodinfo, cb); | |
5001 } | |
5002 | |
5003 BOOL os::PSApiDll::PSApiAvailable() { | |
5004 if (!initialized) { | |
5005 initialize(); | |
5006 } | |
5007 return _EnumProcessModules != NULL && | |
5008 _GetModuleFileNameEx != NULL && | |
5009 _GetModuleInformation != NULL; | |
5010 } | |
5011 | |
5012 | |
5013 // WinSock2 API | |
5014 typedef int (PASCAL FAR* WSAStartup_Fn)(WORD, LPWSADATA); | |
5015 typedef struct hostent *(PASCAL FAR *gethostbyname_Fn)(...); | |
5016 | |
5017 WSAStartup_Fn os::WinSock2Dll::_WSAStartup = NULL; | |
5018 gethostbyname_Fn os::WinSock2Dll::_gethostbyname = NULL; | |
5019 BOOL os::WinSock2Dll::initialized = FALSE; | |
5020 | |
5021 void os::WinSock2Dll::initialize() { | |
5022 if (!initialized) { | |
5023 HMODULE handle = os::win32::load_Windows_dll("ws2_32.dll", NULL, 0); | |
5024 if (handle != NULL) { | |
5025 _WSAStartup = (WSAStartup_Fn)::GetProcAddress(handle, "WSAStartup"); | |
5026 _gethostbyname = (gethostbyname_Fn)::GetProcAddress(handle, "gethostbyname"); | |
5027 } | |
5028 initialized = TRUE; | |
5029 } | |
5030 } | |
5031 | |
5032 | |
5033 BOOL os::WinSock2Dll::WSAStartup(WORD wVersionRequested, LPWSADATA lpWSAData) { | |
5034 assert(initialized && _WSAStartup != NULL, | |
5035 "WinSock2Available() not yet called"); | |
5036 return _WSAStartup(wVersionRequested, lpWSAData); | |
5037 } | |
5038 | |
5039 struct hostent* os::WinSock2Dll::gethostbyname(const char *name) { | |
5040 assert(initialized && _gethostbyname != NULL, | |
5041 "WinSock2Available() not yet called"); | |
5042 return _gethostbyname(name); | |
5043 } | |
5044 | |
5045 BOOL os::WinSock2Dll::WinSock2Available() { | |
5046 if (!initialized) { | |
5047 initialize(); | |
5048 } | |
5049 return _WSAStartup != NULL && | |
5050 _gethostbyname != NULL; | |
5051 } | |
5052 | |
5053 typedef BOOL (WINAPI *AdjustTokenPrivileges_Fn)(HANDLE, BOOL, PTOKEN_PRIVILEGES, DWORD, PTOKEN_PRIVILEGES, PDWORD); | |
5054 typedef BOOL (WINAPI *OpenProcessToken_Fn)(HANDLE, DWORD, PHANDLE); | |
5055 typedef BOOL (WINAPI *LookupPrivilegeValue_Fn)(LPCTSTR, LPCTSTR, PLUID); | |
5056 | |
5057 AdjustTokenPrivileges_Fn os::Advapi32Dll::_AdjustTokenPrivileges = NULL; | |
5058 OpenProcessToken_Fn os::Advapi32Dll::_OpenProcessToken = NULL; | |
5059 LookupPrivilegeValue_Fn os::Advapi32Dll::_LookupPrivilegeValue = NULL; | |
5060 BOOL os::Advapi32Dll::initialized = FALSE; | |
5061 | |
5062 void os::Advapi32Dll::initialize() { | |
5063 if (!initialized) { | |
5064 HMODULE handle = os::win32::load_Windows_dll("advapi32.dll", NULL, 0); | |
5065 if (handle != NULL) { | |
5066 _AdjustTokenPrivileges = (AdjustTokenPrivileges_Fn)::GetProcAddress(handle, | |
5067 "AdjustTokenPrivileges"); | |
5068 _OpenProcessToken = (OpenProcessToken_Fn)::GetProcAddress(handle, | |
5069 "OpenProcessToken"); | |
5070 _LookupPrivilegeValue = (LookupPrivilegeValue_Fn)::GetProcAddress(handle, | |
5071 "LookupPrivilegeValue"); | |
5072 } | |
5073 initialized = TRUE; | |
5074 } | |
5075 } | |
5076 | |
5077 BOOL os::Advapi32Dll::AdjustTokenPrivileges(HANDLE TokenHandle, | |
5078 BOOL DisableAllPrivileges, PTOKEN_PRIVILEGES NewState, DWORD BufferLength, | |
5079 PTOKEN_PRIVILEGES PreviousState, PDWORD ReturnLength) { | |
5080 assert(initialized && _AdjustTokenPrivileges != NULL, | |
5081 "AdvapiAvailable() not yet called"); | |
5082 return _AdjustTokenPrivileges(TokenHandle, DisableAllPrivileges, NewState, | |
5083 BufferLength, PreviousState, ReturnLength); | |
5084 } | |
5085 | |
5086 BOOL os::Advapi32Dll::OpenProcessToken(HANDLE ProcessHandle, DWORD DesiredAccess, | |
5087 PHANDLE TokenHandle) { | |
5088 assert(initialized && _OpenProcessToken != NULL, | |
5089 "AdvapiAvailable() not yet called"); | |
5090 return _OpenProcessToken(ProcessHandle, DesiredAccess, TokenHandle); | |
5091 } | |
5092 | |
5093 BOOL os::Advapi32Dll::LookupPrivilegeValue(LPCTSTR lpSystemName, LPCTSTR lpName, PLUID lpLuid) { | |
5094 assert(initialized && _LookupPrivilegeValue != NULL, | |
5095 "AdvapiAvailable() not yet called"); | |
5096 return _LookupPrivilegeValue(lpSystemName, lpName, lpLuid); | |
5097 } | |
5098 | |
5099 BOOL os::Advapi32Dll::AdvapiAvailable() { | |
5100 if (!initialized) { | |
5101 initialize(); | |
5102 } | |
5103 return _AdjustTokenPrivileges != NULL && | |
5104 _OpenProcessToken != NULL && | |
5105 _LookupPrivilegeValue != NULL; | |
5106 } | |
5107 | |
5108 #endif | |
5109 |