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comparison src/os/windows/vm/os_windows.hpp @ 3429:5def270bc147

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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 63d374c54045
children 3cd0157e1d4d
comparison
equal deleted inserted replaced
3428:c97b08c7d72a 3429:5def270bc147
22 * 22 *
23 */ 23 */
24 24
25 #ifndef OS_WINDOWS_VM_OS_WINDOWS_HPP 25 #ifndef OS_WINDOWS_VM_OS_WINDOWS_HPP
26 #define OS_WINDOWS_VM_OS_WINDOWS_HPP 26 #define OS_WINDOWS_VM_OS_WINDOWS_HPP
27
28 // Win32_OS defines the interface to windows operating systems 27 // Win32_OS defines the interface to windows operating systems
29 28
30 class win32 { 29 class win32 {
31 30
32 protected: 31 protected:
53 return _processor_level; 52 return _processor_level;
54 } 53 }
55 static julong available_memory(); 54 static julong available_memory();
56 static julong physical_memory() { return _physical_memory; } 55 static julong physical_memory() { return _physical_memory; }
57 56
57 // load dll from Windows system directory or Windows directory
58 static HINSTANCE load_Windows_dll(const char* name, char *ebuf, int ebuflen);
59
58 public: 60 public:
59 // Generic interface: 61 // Generic interface:
60 62
61 // Trace number of created threads 63 // Trace number of created threads
62 static intx _os_thread_limit; 64 static intx _os_thread_limit;
130 guarantee (_ParkEvent != NULL, "invariant") ; 132 guarantee (_ParkEvent != NULL, "invariant") ;
131 } 133 }
132 134
133 } ; 135 } ;
134 136
137 // JDK7 requires VS2010
138 #if _MSC_VER < 1600
139 #define JDK6_OR_EARLIER 1
140 #endif
141
142
143
144 class WinSock2Dll: AllStatic {
145 public:
146 static BOOL WSAStartup(WORD, LPWSADATA);
147 static struct hostent* gethostbyname(const char *name);
148 static BOOL WinSock2Available();
149 #ifdef JDK6_OR_EARLIER
150 private:
151 static int (PASCAL FAR* _WSAStartup)(WORD, LPWSADATA);
152 static struct hostent *(PASCAL FAR *_gethostbyname)(...);
153 static BOOL initialized;
154
155 static void initialize();
156 #endif
157 };
158
159 class Kernel32Dll: AllStatic {
160 public:
161 static BOOL SwitchToThread();
162 static SIZE_T GetLargePageMinimum();
163
164 static BOOL SwitchToThreadAvailable();
165 static BOOL GetLargePageMinimumAvailable();
166
167 // Help tools
168 static BOOL HelpToolsAvailable();
169 static HANDLE CreateToolhelp32Snapshot(DWORD,DWORD);
170 static BOOL Module32First(HANDLE,LPMODULEENTRY32);
171 static BOOL Module32Next(HANDLE,LPMODULEENTRY32);
172
173 static BOOL GetNativeSystemInfoAvailable();
174 static void GetNativeSystemInfo(LPSYSTEM_INFO);
175
176 private:
177 // GetLargePageMinimum available on Windows Vista/Windows Server 2003
178 // and later
179 static SIZE_T (WINAPI *_GetLargePageMinimum)(void);
180 static BOOL initialized;
181
182 static void initialize();
183
184 #ifdef JDK6_OR_EARLIER
185 private:
186 static BOOL (WINAPI *_SwitchToThread)(void);
187 static HANDLE (WINAPI* _CreateToolhelp32Snapshot)(DWORD,DWORD);
188 static BOOL (WINAPI* _Module32First)(HANDLE,LPMODULEENTRY32);
189 static BOOL (WINAPI* _Module32Next)(HANDLE,LPMODULEENTRY32);
190 static void (WINAPI *_GetNativeSystemInfo)(LPSYSTEM_INFO);
191 #endif
192
193 };
194
195 class Advapi32Dll: AllStatic {
196 public:
197 static BOOL AdjustTokenPrivileges(HANDLE, BOOL, PTOKEN_PRIVILEGES, DWORD, PTOKEN_PRIVILEGES, PDWORD);
198 static BOOL OpenProcessToken(HANDLE, DWORD, PHANDLE);
199 static BOOL LookupPrivilegeValue(LPCTSTR, LPCTSTR, PLUID);
200
201 static BOOL AdvapiAvailable();
202
203 #ifdef JDK6_OR_EARLIER
204 private:
205 static BOOL (WINAPI *_AdjustTokenPrivileges)(HANDLE, BOOL, PTOKEN_PRIVILEGES, DWORD, PTOKEN_PRIVILEGES, PDWORD);
206 static BOOL (WINAPI *_OpenProcessToken)(HANDLE, DWORD, PHANDLE);
207 static BOOL (WINAPI *_LookupPrivilegeValue)(LPCTSTR, LPCTSTR, PLUID);
208 static BOOL initialized;
209
210 static void initialize();
211 #endif
212 };
213
214 class PSApiDll: AllStatic {
215 public:
216 static BOOL EnumProcessModules(HANDLE, HMODULE *, DWORD, LPDWORD);
217 static DWORD GetModuleFileNameEx(HANDLE, HMODULE, LPTSTR, DWORD);
218 static BOOL GetModuleInformation(HANDLE, HMODULE, LPMODULEINFO, DWORD);
219
220 static BOOL PSApiAvailable();
221
222 #ifdef JDK6_OR_EARLIER
223 private:
224 static BOOL (WINAPI *_EnumProcessModules)(HANDLE, HMODULE *, DWORD, LPDWORD);
225 static BOOL (WINAPI *_GetModuleFileNameEx)(HANDLE, HMODULE, LPTSTR, DWORD);;
226 static BOOL (WINAPI *_GetModuleInformation)(HANDLE, HMODULE, LPMODULEINFO, DWORD);
227 static BOOL initialized;
228
229 static void initialize();
230 #endif
231 };
232
135 #endif // OS_WINDOWS_VM_OS_WINDOWS_HPP 233 #endif // OS_WINDOWS_VM_OS_WINDOWS_HPP