Mercurial > hg > graal-compiler
annotate src/os/windows/vm/os_windows.hpp @ 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 |
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date | Fri, 15 Apr 2011 09:34:43 -0400 |
parents | 63d374c54045 |
children | 3cd0157e1d4d |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef OS_WINDOWS_VM_OS_WINDOWS_HPP |
26 #define OS_WINDOWS_VM_OS_WINDOWS_HPP | |
0 | 27 // Win32_OS defines the interface to windows operating systems |
28 | |
29 class win32 { | |
30 | |
31 protected: | |
32 static int _vm_page_size; | |
33 static int _vm_allocation_granularity; | |
34 static int _processor_type; | |
35 static int _processor_level; | |
36 static julong _physical_memory; | |
37 static size_t _default_stack_size; | |
38 static bool _is_nt; | |
389
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39 static bool _is_windows_2003; |
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40 static bool _is_windows_server; |
0 | 41 |
42 public: | |
43 // Windows-specific interface: | |
44 static void initialize_system_info(); | |
45 static void setmode_streams(); | |
46 | |
47 // Processor info as provided by NT | |
48 static int processor_type() { return _processor_type; } | |
49 // Processor level may not be accurate on non-NT systems | |
50 static int processor_level() { | |
51 assert(is_nt(), "use vm_version instead"); | |
52 return _processor_level; | |
53 } | |
54 static julong available_memory(); | |
55 static julong physical_memory() { return _physical_memory; } | |
56 | |
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57 // load dll from Windows system directory or Windows directory |
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58 static HINSTANCE load_Windows_dll(const char* name, char *ebuf, int ebuflen); |
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59 |
0 | 60 public: |
61 // Generic interface: | |
62 | |
63 // Trace number of created threads | |
64 static intx _os_thread_limit; | |
65 static volatile intx _os_thread_count; | |
66 | |
67 // Tells whether the platform is NT or Windown95 | |
68 static bool is_nt() { return _is_nt; } | |
69 | |
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70 // Tells whether this is a server version of Windows |
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71 static bool is_windows_server() { return _is_windows_server; } |
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72 |
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73 // Tells whether the platform is Windows 2003 |
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74 static bool is_windows_2003() { return _is_windows_2003; } |
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75 |
0 | 76 // Returns the byte size of a virtual memory page |
77 static int vm_page_size() { return _vm_page_size; } | |
78 | |
79 // Returns the size in bytes of memory blocks which can be allocated. | |
80 static int vm_allocation_granularity() { return _vm_allocation_granularity; } | |
81 | |
82 // Read the headers for the executable that started the current process into | |
83 // the structure passed in (see winnt.h). | |
84 static void read_executable_headers(PIMAGE_NT_HEADERS); | |
85 | |
86 // Default stack size for the current process. | |
87 static size_t default_stack_size() { return _default_stack_size; } | |
88 | |
89 #ifndef _WIN64 | |
90 // A wrapper to install a structured exception handler for fast JNI accesors. | |
91 static address fast_jni_accessor_wrapper(BasicType); | |
92 #endif | |
93 | |
94 // filter function to ignore faults on serializations page | |
95 static LONG WINAPI serialize_fault_filter(struct _EXCEPTION_POINTERS* e); | |
96 }; | |
97 | |
98 class PlatformEvent : public CHeapObj { | |
99 private: | |
100 double CachePad [4] ; // increase odds that _Event is sole occupant of cache line | |
101 volatile int _Event ; | |
102 HANDLE _ParkHandle ; | |
103 | |
104 public: // TODO-FIXME: make dtor private | |
105 ~PlatformEvent() { guarantee (0, "invariant") ; } | |
106 | |
107 public: | |
108 PlatformEvent() { | |
109 _Event = 0 ; | |
110 _ParkHandle = CreateEvent (NULL, false, false, NULL) ; | |
111 guarantee (_ParkHandle != NULL, "invariant") ; | |
112 } | |
113 | |
114 // Exercise caution using reset() and fired() - they may require MEMBARs | |
115 void reset() { _Event = 0 ; } | |
116 int fired() { return _Event; } | |
117 void park () ; | |
118 void unpark () ; | |
119 int park (jlong millis) ; | |
120 } ; | |
121 | |
122 | |
123 | |
124 class PlatformParker : public CHeapObj { | |
125 protected: | |
126 HANDLE _ParkEvent ; | |
127 | |
128 public: | |
129 ~PlatformParker () { guarantee (0, "invariant") ; } | |
130 PlatformParker () { | |
131 _ParkEvent = CreateEvent (NULL, true, false, NULL) ; | |
132 guarantee (_ParkEvent != NULL, "invariant") ; | |
133 } | |
134 | |
135 } ; | |
1972 | 136 |
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137 // JDK7 requires VS2010 |
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138 #if _MSC_VER < 1600 |
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139 #define JDK6_OR_EARLIER 1 |
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140 #endif |
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141 |
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142 |
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143 |
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144 class WinSock2Dll: AllStatic { |
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145 public: |
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146 static BOOL WSAStartup(WORD, LPWSADATA); |
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147 static struct hostent* gethostbyname(const char *name); |
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148 static BOOL WinSock2Available(); |
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149 #ifdef JDK6_OR_EARLIER |
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150 private: |
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151 static int (PASCAL FAR* _WSAStartup)(WORD, LPWSADATA); |
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152 static struct hostent *(PASCAL FAR *_gethostbyname)(...); |
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153 static BOOL initialized; |
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154 |
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155 static void initialize(); |
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156 #endif |
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157 }; |
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158 |
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159 class Kernel32Dll: AllStatic { |
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160 public: |
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161 static BOOL SwitchToThread(); |
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162 static SIZE_T GetLargePageMinimum(); |
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163 |
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164 static BOOL SwitchToThreadAvailable(); |
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165 static BOOL GetLargePageMinimumAvailable(); |
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166 |
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167 // Help tools |
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168 static BOOL HelpToolsAvailable(); |
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169 static HANDLE CreateToolhelp32Snapshot(DWORD,DWORD); |
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170 static BOOL Module32First(HANDLE,LPMODULEENTRY32); |
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171 static BOOL Module32Next(HANDLE,LPMODULEENTRY32); |
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172 |
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173 static BOOL GetNativeSystemInfoAvailable(); |
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174 static void GetNativeSystemInfo(LPSYSTEM_INFO); |
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175 |
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176 private: |
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177 // GetLargePageMinimum available on Windows Vista/Windows Server 2003 |
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178 // and later |
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179 static SIZE_T (WINAPI *_GetLargePageMinimum)(void); |
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180 static BOOL initialized; |
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181 |
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182 static void initialize(); |
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183 |
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184 #ifdef JDK6_OR_EARLIER |
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185 private: |
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186 static BOOL (WINAPI *_SwitchToThread)(void); |
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187 static HANDLE (WINAPI* _CreateToolhelp32Snapshot)(DWORD,DWORD); |
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188 static BOOL (WINAPI* _Module32First)(HANDLE,LPMODULEENTRY32); |
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189 static BOOL (WINAPI* _Module32Next)(HANDLE,LPMODULEENTRY32); |
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190 static void (WINAPI *_GetNativeSystemInfo)(LPSYSTEM_INFO); |
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191 #endif |
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192 |
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193 }; |
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194 |
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195 class Advapi32Dll: AllStatic { |
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196 public: |
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197 static BOOL AdjustTokenPrivileges(HANDLE, BOOL, PTOKEN_PRIVILEGES, DWORD, PTOKEN_PRIVILEGES, PDWORD); |
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198 static BOOL OpenProcessToken(HANDLE, DWORD, PHANDLE); |
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199 static BOOL LookupPrivilegeValue(LPCTSTR, LPCTSTR, PLUID); |
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200 |
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201 static BOOL AdvapiAvailable(); |
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202 |
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203 #ifdef JDK6_OR_EARLIER |
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204 private: |
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205 static BOOL (WINAPI *_AdjustTokenPrivileges)(HANDLE, BOOL, PTOKEN_PRIVILEGES, DWORD, PTOKEN_PRIVILEGES, PDWORD); |
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206 static BOOL (WINAPI *_OpenProcessToken)(HANDLE, DWORD, PHANDLE); |
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207 static BOOL (WINAPI *_LookupPrivilegeValue)(LPCTSTR, LPCTSTR, PLUID); |
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208 static BOOL initialized; |
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209 |
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210 static void initialize(); |
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211 #endif |
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212 }; |
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213 |
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214 class PSApiDll: AllStatic { |
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215 public: |
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216 static BOOL EnumProcessModules(HANDLE, HMODULE *, DWORD, LPDWORD); |
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217 static DWORD GetModuleFileNameEx(HANDLE, HMODULE, LPTSTR, DWORD); |
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218 static BOOL GetModuleInformation(HANDLE, HMODULE, LPMODULEINFO, DWORD); |
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219 |
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220 static BOOL PSApiAvailable(); |
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221 |
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222 #ifdef JDK6_OR_EARLIER |
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223 private: |
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224 static BOOL (WINAPI *_EnumProcessModules)(HANDLE, HMODULE *, DWORD, LPDWORD); |
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225 static BOOL (WINAPI *_GetModuleFileNameEx)(HANDLE, HMODULE, LPTSTR, DWORD);; |
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226 static BOOL (WINAPI *_GetModuleInformation)(HANDLE, HMODULE, LPMODULEINFO, DWORD); |
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227 static BOOL initialized; |
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228 |
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229 static void initialize(); |
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230 #endif |
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231 }; |
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232 |
1972 | 233 #endif // OS_WINDOWS_VM_OS_WINDOWS_HPP |