Mercurial > hg > graal-compiler
annotate src/os/windows/vm/os_windows.hpp @ 11216:a7b2dc8e05a0
Ordinal check for unsafe load lowering
author | Christos Kotselidis <christos.kotselidis@oracle.com> |
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date | Tue, 06 Aug 2013 14:00:49 +0200 |
parents | b9a9ed0f8eeb |
children | 59b052799158 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2012, 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 { | |
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30 friend class os; |
0 | 31 |
32 protected: | |
33 static int _vm_page_size; | |
34 static int _vm_allocation_granularity; | |
35 static int _processor_type; | |
36 static int _processor_level; | |
37 static julong _physical_memory; | |
38 static size_t _default_stack_size; | |
39 static bool _is_nt; | |
389
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40 static bool _is_windows_2003; |
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41 static bool _is_windows_server; |
0 | 42 |
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43 static void print_windows_version(outputStream* st); |
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44 |
0 | 45 public: |
46 // Windows-specific interface: | |
47 static void initialize_system_info(); | |
48 static void setmode_streams(); | |
49 | |
50 // Processor info as provided by NT | |
51 static int processor_type() { return _processor_type; } | |
52 // Processor level may not be accurate on non-NT systems | |
53 static int processor_level() { | |
54 assert(is_nt(), "use vm_version instead"); | |
55 return _processor_level; | |
56 } | |
57 static julong available_memory(); | |
58 static julong physical_memory() { return _physical_memory; } | |
59 | |
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60 // load dll from Windows system directory or Windows directory |
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61 static HINSTANCE load_Windows_dll(const char* name, char *ebuf, int ebuflen); |
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62 |
0 | 63 public: |
64 // Generic interface: | |
65 | |
66 // Trace number of created threads | |
67 static intx _os_thread_limit; | |
68 static volatile intx _os_thread_count; | |
69 | |
70 // Tells whether the platform is NT or Windown95 | |
71 static bool is_nt() { return _is_nt; } | |
72 | |
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73 // Tells whether this is a server version of Windows |
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74 static bool is_windows_server() { return _is_windows_server; } |
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75 |
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76 // Tells whether the platform is Windows 2003 |
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77 static bool is_windows_2003() { return _is_windows_2003; } |
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78 |
0 | 79 // Returns the byte size of a virtual memory page |
80 static int vm_page_size() { return _vm_page_size; } | |
81 | |
82 // Returns the size in bytes of memory blocks which can be allocated. | |
83 static int vm_allocation_granularity() { return _vm_allocation_granularity; } | |
84 | |
85 // Read the headers for the executable that started the current process into | |
86 // the structure passed in (see winnt.h). | |
87 static void read_executable_headers(PIMAGE_NT_HEADERS); | |
88 | |
89 // Default stack size for the current process. | |
90 static size_t default_stack_size() { return _default_stack_size; } | |
91 | |
92 #ifndef _WIN64 | |
93 // A wrapper to install a structured exception handler for fast JNI accesors. | |
94 static address fast_jni_accessor_wrapper(BasicType); | |
95 #endif | |
96 | |
97 // filter function to ignore faults on serializations page | |
98 static LONG WINAPI serialize_fault_filter(struct _EXCEPTION_POINTERS* e); | |
99 }; | |
100 | |
6197 | 101 class PlatformEvent : public CHeapObj<mtInternal> { |
0 | 102 private: |
103 double CachePad [4] ; // increase odds that _Event is sole occupant of cache line | |
104 volatile int _Event ; | |
105 HANDLE _ParkHandle ; | |
106 | |
107 public: // TODO-FIXME: make dtor private | |
108 ~PlatformEvent() { guarantee (0, "invariant") ; } | |
109 | |
110 public: | |
111 PlatformEvent() { | |
112 _Event = 0 ; | |
113 _ParkHandle = CreateEvent (NULL, false, false, NULL) ; | |
114 guarantee (_ParkHandle != NULL, "invariant") ; | |
115 } | |
116 | |
117 // Exercise caution using reset() and fired() - they may require MEMBARs | |
118 void reset() { _Event = 0 ; } | |
119 int fired() { return _Event; } | |
120 void park () ; | |
121 void unpark () ; | |
122 int park (jlong millis) ; | |
123 } ; | |
124 | |
125 | |
126 | |
6197 | 127 class PlatformParker : public CHeapObj<mtInternal> { |
0 | 128 protected: |
129 HANDLE _ParkEvent ; | |
130 | |
131 public: | |
132 ~PlatformParker () { guarantee (0, "invariant") ; } | |
133 PlatformParker () { | |
134 _ParkEvent = CreateEvent (NULL, true, false, NULL) ; | |
135 guarantee (_ParkEvent != NULL, "invariant") ; | |
136 } | |
137 | |
138 } ; | |
1972 | 139 |
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140 // JDK7 requires VS2010 |
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141 #if _MSC_VER < 1600 |
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142 #define JDK6_OR_EARLIER 1 |
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143 #endif |
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144 |
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145 |
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146 |
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147 class WinSock2Dll: AllStatic { |
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148 public: |
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149 static BOOL WSAStartup(WORD, LPWSADATA); |
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150 static struct hostent* gethostbyname(const char *name); |
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151 static BOOL WinSock2Available(); |
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152 #ifdef JDK6_OR_EARLIER |
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153 private: |
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154 static int (PASCAL FAR* _WSAStartup)(WORD, LPWSADATA); |
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155 static struct hostent *(PASCAL FAR *_gethostbyname)(...); |
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156 static BOOL initialized; |
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157 |
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158 static void initialize(); |
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159 #endif |
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160 }; |
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161 |
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162 class Kernel32Dll: AllStatic { |
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163 public: |
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164 static BOOL SwitchToThread(); |
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165 static SIZE_T GetLargePageMinimum(); |
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166 |
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167 static BOOL SwitchToThreadAvailable(); |
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168 static BOOL GetLargePageMinimumAvailable(); |
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169 |
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170 // Help tools |
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171 static BOOL HelpToolsAvailable(); |
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172 static HANDLE CreateToolhelp32Snapshot(DWORD,DWORD); |
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173 static BOOL Module32First(HANDLE,LPMODULEENTRY32); |
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174 static BOOL Module32Next(HANDLE,LPMODULEENTRY32); |
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175 |
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176 static BOOL GetNativeSystemInfoAvailable(); |
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177 static void GetNativeSystemInfo(LPSYSTEM_INFO); |
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178 |
3885 | 179 // NUMA calls |
180 static BOOL NumaCallsAvailable(); | |
181 static LPVOID VirtualAllocExNuma(HANDLE, LPVOID, SIZE_T, DWORD, DWORD, DWORD); | |
182 static BOOL GetNumaHighestNodeNumber(PULONG); | |
183 static BOOL GetNumaNodeProcessorMask(UCHAR, PULONGLONG); | |
184 | |
6197 | 185 // Stack walking |
186 static USHORT RtlCaptureStackBackTrace(ULONG, ULONG, PVOID*, PULONG); | |
187 | |
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188 private: |
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189 // GetLargePageMinimum available on Windows Vista/Windows Server 2003 |
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190 // and later |
3885 | 191 // NUMA calls available Windows Vista/WS2008 and later |
192 | |
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193 static SIZE_T (WINAPI *_GetLargePageMinimum)(void); |
3885 | 194 static LPVOID (WINAPI *_VirtualAllocExNuma) (HANDLE, LPVOID, SIZE_T, DWORD, DWORD, DWORD); |
195 static BOOL (WINAPI *_GetNumaHighestNodeNumber) (PULONG); | |
196 static BOOL (WINAPI *_GetNumaNodeProcessorMask) (UCHAR, PULONGLONG); | |
6197 | 197 static USHORT (WINAPI *_RtlCaptureStackBackTrace)(ULONG, ULONG, PVOID*, PULONG); |
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198 static BOOL initialized; |
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199 |
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200 static void initialize(); |
3885 | 201 static void initializeCommon(); |
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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 *_SwitchToThread)(void); |
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206 static HANDLE (WINAPI* _CreateToolhelp32Snapshot)(DWORD,DWORD); |
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207 static BOOL (WINAPI* _Module32First)(HANDLE,LPMODULEENTRY32); |
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208 static BOOL (WINAPI* _Module32Next)(HANDLE,LPMODULEENTRY32); |
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209 static void (WINAPI *_GetNativeSystemInfo)(LPSYSTEM_INFO); |
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210 #endif |
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211 |
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212 }; |
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213 |
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214 class Advapi32Dll: AllStatic { |
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215 public: |
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216 static BOOL AdjustTokenPrivileges(HANDLE, BOOL, PTOKEN_PRIVILEGES, DWORD, PTOKEN_PRIVILEGES, PDWORD); |
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217 static BOOL OpenProcessToken(HANDLE, DWORD, PHANDLE); |
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218 static BOOL LookupPrivilegeValue(LPCTSTR, LPCTSTR, PLUID); |
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219 |
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220 static BOOL AdvapiAvailable(); |
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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 *_AdjustTokenPrivileges)(HANDLE, BOOL, PTOKEN_PRIVILEGES, DWORD, PTOKEN_PRIVILEGES, PDWORD); |
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225 static BOOL (WINAPI *_OpenProcessToken)(HANDLE, DWORD, PHANDLE); |
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226 static BOOL (WINAPI *_LookupPrivilegeValue)(LPCTSTR, LPCTSTR, PLUID); |
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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 |
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233 class PSApiDll: AllStatic { |
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234 public: |
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235 static BOOL EnumProcessModules(HANDLE, HMODULE *, DWORD, LPDWORD); |
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236 static DWORD GetModuleFileNameEx(HANDLE, HMODULE, LPTSTR, DWORD); |
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237 static BOOL GetModuleInformation(HANDLE, HMODULE, LPMODULEINFO, DWORD); |
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238 |
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239 static BOOL PSApiAvailable(); |
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240 |
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241 #ifdef JDK6_OR_EARLIER |
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242 private: |
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243 static BOOL (WINAPI *_EnumProcessModules)(HANDLE, HMODULE *, DWORD, LPDWORD); |
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244 static BOOL (WINAPI *_GetModuleFileNameEx)(HANDLE, HMODULE, LPTSTR, DWORD);; |
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245 static BOOL (WINAPI *_GetModuleInformation)(HANDLE, HMODULE, LPMODULEINFO, DWORD); |
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246 static BOOL initialized; |
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247 |
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248 static void initialize(); |
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249 #endif |
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250 }; |
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251 |
1972 | 252 #endif // OS_WINDOWS_VM_OS_WINDOWS_HPP |