1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "well_known_classes.h" 18 19 #include <stdlib.h> 20 21 #include <sstream> 22 23 #include "base/logging.h" 24 #include "mirror/class.h" 25 #include "mirror/throwable.h" 26 #include "ScopedLocalRef.h" 27 #include "scoped_thread_state_change.h" 28 #include "thread-inl.h" 29 30 namespace art { 31 32 jclass WellKnownClasses::com_android_dex_Dex; 33 jclass WellKnownClasses::dalvik_system_DexFile; 34 jclass WellKnownClasses::dalvik_system_DexPathList; 35 jclass WellKnownClasses::dalvik_system_DexPathList__Element; 36 jclass WellKnownClasses::dalvik_system_PathClassLoader; 37 jclass WellKnownClasses::dalvik_system_VMRuntime; 38 jclass WellKnownClasses::java_lang_BootClassLoader; 39 jclass WellKnownClasses::java_lang_ClassLoader; 40 jclass WellKnownClasses::java_lang_ClassNotFoundException; 41 jclass WellKnownClasses::java_lang_Daemons; 42 jclass WellKnownClasses::java_lang_Error; 43 jclass WellKnownClasses::java_lang_Object; 44 jclass WellKnownClasses::java_lang_OutOfMemoryError; 45 jclass WellKnownClasses::java_lang_reflect_AbstractMethod; 46 jclass WellKnownClasses::java_lang_reflect_Constructor; 47 jclass WellKnownClasses::java_lang_reflect_Field; 48 jclass WellKnownClasses::java_lang_reflect_Method; 49 jclass WellKnownClasses::java_lang_reflect_Proxy; 50 jclass WellKnownClasses::java_lang_RuntimeException; 51 jclass WellKnownClasses::java_lang_StackOverflowError; 52 jclass WellKnownClasses::java_lang_String; 53 jclass WellKnownClasses::java_lang_StringFactory; 54 jclass WellKnownClasses::java_lang_System; 55 jclass WellKnownClasses::java_lang_Thread; 56 jclass WellKnownClasses::java_lang_Thread__UncaughtExceptionHandler; 57 jclass WellKnownClasses::java_lang_ThreadGroup; 58 jclass WellKnownClasses::java_lang_Throwable; 59 jclass WellKnownClasses::java_nio_DirectByteBuffer; 60 jclass WellKnownClasses::java_util_ArrayList; 61 jclass WellKnownClasses::java_util_Collections; 62 jclass WellKnownClasses::libcore_util_EmptyArray; 63 jclass WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk; 64 jclass WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer; 65 66 jmethodID WellKnownClasses::com_android_dex_Dex_create; 67 jmethodID WellKnownClasses::dalvik_system_VMRuntime_runFinalization; 68 jmethodID WellKnownClasses::java_lang_Boolean_valueOf; 69 jmethodID WellKnownClasses::java_lang_Byte_valueOf; 70 jmethodID WellKnownClasses::java_lang_Character_valueOf; 71 jmethodID WellKnownClasses::java_lang_ClassLoader_loadClass; 72 jmethodID WellKnownClasses::java_lang_ClassNotFoundException_init; 73 jmethodID WellKnownClasses::java_lang_Daemons_requestHeapTrim; 74 jmethodID WellKnownClasses::java_lang_Daemons_start; 75 jmethodID WellKnownClasses::java_lang_Daemons_stop; 76 jmethodID WellKnownClasses::java_lang_Double_valueOf; 77 jmethodID WellKnownClasses::java_lang_Float_valueOf; 78 jmethodID WellKnownClasses::java_lang_Integer_valueOf; 79 jmethodID WellKnownClasses::java_lang_Long_valueOf; 80 jmethodID WellKnownClasses::java_lang_ref_FinalizerReference_add; 81 jmethodID WellKnownClasses::java_lang_ref_ReferenceQueue_add; 82 jmethodID WellKnownClasses::java_lang_reflect_Proxy_invoke; 83 jmethodID WellKnownClasses::java_lang_Runtime_nativeLoad; 84 jmethodID WellKnownClasses::java_lang_Short_valueOf; 85 jmethodID WellKnownClasses::java_lang_String_init; 86 jmethodID WellKnownClasses::java_lang_String_init_B; 87 jmethodID WellKnownClasses::java_lang_String_init_BI; 88 jmethodID WellKnownClasses::java_lang_String_init_BII; 89 jmethodID WellKnownClasses::java_lang_String_init_BIII; 90 jmethodID WellKnownClasses::java_lang_String_init_BIIString; 91 jmethodID WellKnownClasses::java_lang_String_init_BString; 92 jmethodID WellKnownClasses::java_lang_String_init_BIICharset; 93 jmethodID WellKnownClasses::java_lang_String_init_BCharset; 94 jmethodID WellKnownClasses::java_lang_String_init_C; 95 jmethodID WellKnownClasses::java_lang_String_init_CII; 96 jmethodID WellKnownClasses::java_lang_String_init_IIC; 97 jmethodID WellKnownClasses::java_lang_String_init_String; 98 jmethodID WellKnownClasses::java_lang_String_init_StringBuffer; 99 jmethodID WellKnownClasses::java_lang_String_init_III; 100 jmethodID WellKnownClasses::java_lang_String_init_StringBuilder; 101 jmethodID WellKnownClasses::java_lang_StringFactory_newEmptyString; 102 jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromBytes_B; 103 jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromBytes_BI; 104 jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromBytes_BII; 105 jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromBytes_BIII; 106 jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromBytes_BIIString; 107 jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromBytes_BString; 108 jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromBytes_BIICharset; 109 jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromBytes_BCharset; 110 jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromChars_C; 111 jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromChars_CII; 112 jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromChars_IIC; 113 jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromString; 114 jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromStringBuffer; 115 jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromCodePoints; 116 jmethodID WellKnownClasses::java_lang_StringFactory_newStringFromStringBuilder; 117 jmethodID WellKnownClasses::java_lang_System_runFinalization = nullptr; 118 jmethodID WellKnownClasses::java_lang_Thread_init; 119 jmethodID WellKnownClasses::java_lang_Thread_run; 120 jmethodID WellKnownClasses::java_lang_Thread__UncaughtExceptionHandler_uncaughtException; 121 jmethodID WellKnownClasses::java_lang_ThreadGroup_removeThread; 122 jmethodID WellKnownClasses::java_nio_DirectByteBuffer_init; 123 jmethodID WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_broadcast; 124 jmethodID WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_dispatch; 125 126 jfieldID WellKnownClasses::dalvik_system_DexFile_cookie; 127 jfieldID WellKnownClasses::dalvik_system_PathClassLoader_pathList; 128 jfieldID WellKnownClasses::dalvik_system_DexPathList_dexElements; 129 jfieldID WellKnownClasses::dalvik_system_DexPathList__Element_dexFile; 130 jfieldID WellKnownClasses::java_lang_Thread_daemon; 131 jfieldID WellKnownClasses::java_lang_Thread_group; 132 jfieldID WellKnownClasses::java_lang_Thread_lock; 133 jfieldID WellKnownClasses::java_lang_Thread_name; 134 jfieldID WellKnownClasses::java_lang_Thread_priority; 135 jfieldID WellKnownClasses::java_lang_Thread_uncaughtHandler; 136 jfieldID WellKnownClasses::java_lang_Thread_nativePeer; 137 jfieldID WellKnownClasses::java_lang_ThreadGroup_groups; 138 jfieldID WellKnownClasses::java_lang_ThreadGroup_mainThreadGroup; 139 jfieldID WellKnownClasses::java_lang_ThreadGroup_name; 140 jfieldID WellKnownClasses::java_lang_ThreadGroup_parent; 141 jfieldID WellKnownClasses::java_lang_ThreadGroup_systemThreadGroup; 142 jfieldID WellKnownClasses::java_lang_Throwable_cause; 143 jfieldID WellKnownClasses::java_lang_Throwable_detailMessage; 144 jfieldID WellKnownClasses::java_lang_Throwable_stackTrace; 145 jfieldID WellKnownClasses::java_lang_Throwable_stackState; 146 jfieldID WellKnownClasses::java_lang_Throwable_suppressedExceptions; 147 jfieldID WellKnownClasses::java_lang_reflect_AbstractMethod_artMethod; 148 jfieldID WellKnownClasses::java_lang_reflect_Proxy_h; 149 jfieldID WellKnownClasses::java_nio_DirectByteBuffer_capacity; 150 jfieldID WellKnownClasses::java_nio_DirectByteBuffer_effectiveDirectAddress; 151 jfieldID WellKnownClasses::java_util_ArrayList_array; 152 jfieldID WellKnownClasses::java_util_ArrayList_size; 153 jfieldID WellKnownClasses::java_util_Collections_EMPTY_LIST; 154 jfieldID WellKnownClasses::libcore_util_EmptyArray_STACK_TRACE_ELEMENT; 155 jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_data; 156 jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_length; 157 jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_offset; 158 jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_type; 159 160 static jclass CacheClass(JNIEnv* env, const char* jni_class_name) { 161 ScopedLocalRef<jclass> c(env, env->FindClass(jni_class_name)); 162 if (c.get() == nullptr) { 163 LOG(FATAL) << "Couldn't find class: " << jni_class_name; 164 } 165 return reinterpret_cast<jclass>(env->NewGlobalRef(c.get())); 166 } 167 168 static jfieldID CacheField(JNIEnv* env, jclass c, bool is_static, 169 const char* name, const char* signature) { 170 jfieldID fid = is_static ? env->GetStaticFieldID(c, name, signature) : 171 env->GetFieldID(c, name, signature); 172 if (fid == nullptr) { 173 ScopedObjectAccess soa(env); 174 if (soa.Self()->IsExceptionPending()) { 175 LOG(INTERNAL_FATAL) << soa.Self()->GetException()->Dump() << '\n'; 176 } 177 std::ostringstream os; 178 WellKnownClasses::ToClass(c)->DumpClass(os, mirror::Class::kDumpClassFullDetail); 179 LOG(FATAL) << "Couldn't find field \"" << name << "\" with signature \"" << signature << "\": " 180 << os.str(); 181 } 182 return fid; 183 } 184 185 jmethodID CacheMethod(JNIEnv* env, jclass c, bool is_static, 186 const char* name, const char* signature) { 187 jmethodID mid = is_static ? env->GetStaticMethodID(c, name, signature) : 188 env->GetMethodID(c, name, signature); 189 if (mid == nullptr) { 190 ScopedObjectAccess soa(env); 191 if (soa.Self()->IsExceptionPending()) { 192 LOG(INTERNAL_FATAL) << soa.Self()->GetException()->Dump() << '\n'; 193 } 194 std::ostringstream os; 195 WellKnownClasses::ToClass(c)->DumpClass(os, mirror::Class::kDumpClassFullDetail); 196 LOG(FATAL) << "Couldn't find method \"" << name << "\" with signature \"" << signature << "\": " 197 << os.str(); 198 } 199 return mid; 200 } 201 202 static jmethodID CachePrimitiveBoxingMethod(JNIEnv* env, char prim_name, const char* boxed_name) { 203 ScopedLocalRef<jclass> boxed_class(env, env->FindClass(boxed_name)); 204 return CacheMethod(env, boxed_class.get(), true, "valueOf", 205 StringPrintf("(%c)L%s;", prim_name, boxed_name).c_str()); 206 } 207 208 void WellKnownClasses::Init(JNIEnv* env) { 209 com_android_dex_Dex = CacheClass(env, "com/android/dex/Dex"); 210 dalvik_system_DexFile = CacheClass(env, "dalvik/system/DexFile"); 211 dalvik_system_DexPathList = CacheClass(env, "dalvik/system/DexPathList"); 212 dalvik_system_DexPathList__Element = CacheClass(env, "dalvik/system/DexPathList$Element"); 213 dalvik_system_PathClassLoader = CacheClass(env, "dalvik/system/PathClassLoader"); 214 dalvik_system_VMRuntime = CacheClass(env, "dalvik/system/VMRuntime"); 215 216 java_lang_BootClassLoader = CacheClass(env, "java/lang/BootClassLoader"); 217 java_lang_ClassLoader = CacheClass(env, "java/lang/ClassLoader"); 218 java_lang_ClassNotFoundException = CacheClass(env, "java/lang/ClassNotFoundException"); 219 java_lang_Daemons = CacheClass(env, "java/lang/Daemons"); 220 java_lang_Object = CacheClass(env, "java/lang/Object"); 221 java_lang_OutOfMemoryError = CacheClass(env, "java/lang/OutOfMemoryError"); 222 java_lang_Error = CacheClass(env, "java/lang/Error"); 223 java_lang_reflect_AbstractMethod = CacheClass(env, "java/lang/reflect/AbstractMethod"); 224 java_lang_reflect_Constructor = CacheClass(env, "java/lang/reflect/Constructor"); 225 java_lang_reflect_Field = CacheClass(env, "java/lang/reflect/Field"); 226 java_lang_reflect_Method = CacheClass(env, "java/lang/reflect/Method"); 227 java_lang_reflect_Proxy = CacheClass(env, "java/lang/reflect/Proxy"); 228 java_lang_RuntimeException = CacheClass(env, "java/lang/RuntimeException"); 229 java_lang_StackOverflowError = CacheClass(env, "java/lang/StackOverflowError"); 230 java_lang_String = CacheClass(env, "java/lang/String"); 231 java_lang_StringFactory = CacheClass(env, "java/lang/StringFactory"); 232 java_lang_System = CacheClass(env, "java/lang/System"); 233 java_lang_Thread = CacheClass(env, "java/lang/Thread"); 234 java_lang_Thread__UncaughtExceptionHandler = CacheClass(env, 235 "java/lang/Thread$UncaughtExceptionHandler"); 236 java_lang_ThreadGroup = CacheClass(env, "java/lang/ThreadGroup"); 237 java_lang_Throwable = CacheClass(env, "java/lang/Throwable"); 238 java_nio_DirectByteBuffer = CacheClass(env, "java/nio/DirectByteBuffer"); 239 java_util_ArrayList = CacheClass(env, "java/util/ArrayList"); 240 java_util_Collections = CacheClass(env, "java/util/Collections"); 241 libcore_util_EmptyArray = CacheClass(env, "libcore/util/EmptyArray"); 242 org_apache_harmony_dalvik_ddmc_Chunk = CacheClass(env, "org/apache/harmony/dalvik/ddmc/Chunk"); 243 org_apache_harmony_dalvik_ddmc_DdmServer = CacheClass(env, "org/apache/harmony/dalvik/ddmc/DdmServer"); 244 245 dalvik_system_VMRuntime_runFinalization = CacheMethod(env, dalvik_system_VMRuntime, true, "runFinalization", "(J)V"); 246 com_android_dex_Dex_create = CacheMethod(env, com_android_dex_Dex, true, "create", "(Ljava/nio/ByteBuffer;)Lcom/android/dex/Dex;"); 247 java_lang_ClassNotFoundException_init = CacheMethod(env, java_lang_ClassNotFoundException, false, "<init>", "(Ljava/lang/String;Ljava/lang/Throwable;)V"); 248 java_lang_ClassLoader_loadClass = CacheMethod(env, java_lang_ClassLoader, false, "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;"); 249 250 java_lang_Daemons_requestHeapTrim = CacheMethod(env, java_lang_Daemons, true, "requestHeapTrim", "()V"); 251 java_lang_Daemons_start = CacheMethod(env, java_lang_Daemons, true, "start", "()V"); 252 java_lang_Daemons_stop = CacheMethod(env, java_lang_Daemons, true, "stop", "()V"); 253 254 ScopedLocalRef<jclass> java_lang_ref_FinalizerReference(env, env->FindClass("java/lang/ref/FinalizerReference")); 255 java_lang_ref_FinalizerReference_add = CacheMethod(env, java_lang_ref_FinalizerReference.get(), true, "add", "(Ljava/lang/Object;)V"); 256 ScopedLocalRef<jclass> java_lang_ref_ReferenceQueue(env, env->FindClass("java/lang/ref/ReferenceQueue")); 257 java_lang_ref_ReferenceQueue_add = CacheMethod(env, java_lang_ref_ReferenceQueue.get(), true, "add", "(Ljava/lang/ref/Reference;)V"); 258 259 java_lang_reflect_Proxy_invoke = CacheMethod(env, java_lang_reflect_Proxy, true, "invoke", "(Ljava/lang/reflect/Proxy;Ljava/lang/reflect/Method;[Ljava/lang/Object;)Ljava/lang/Object;"); 260 java_lang_Thread_init = CacheMethod(env, java_lang_Thread, false, "<init>", "(Ljava/lang/ThreadGroup;Ljava/lang/String;IZ)V"); 261 java_lang_Thread_run = CacheMethod(env, java_lang_Thread, false, "run", "()V"); 262 java_lang_Thread__UncaughtExceptionHandler_uncaughtException = CacheMethod(env, java_lang_Thread__UncaughtExceptionHandler, false, "uncaughtException", "(Ljava/lang/Thread;Ljava/lang/Throwable;)V"); 263 java_lang_ThreadGroup_removeThread = CacheMethod(env, java_lang_ThreadGroup, false, "removeThread", "(Ljava/lang/Thread;)V"); 264 java_nio_DirectByteBuffer_init = CacheMethod(env, java_nio_DirectByteBuffer, false, "<init>", "(JI)V"); 265 org_apache_harmony_dalvik_ddmc_DdmServer_broadcast = CacheMethod(env, org_apache_harmony_dalvik_ddmc_DdmServer, true, "broadcast", "(I)V"); 266 org_apache_harmony_dalvik_ddmc_DdmServer_dispatch = CacheMethod(env, org_apache_harmony_dalvik_ddmc_DdmServer, true, "dispatch", "(I[BII)Lorg/apache/harmony/dalvik/ddmc/Chunk;"); 267 268 java_lang_String_init = CacheMethod(env, java_lang_String, false, "<init>", "()V"); 269 java_lang_String_init_B = CacheMethod(env, java_lang_String, false, "<init>", "([B)V"); 270 java_lang_String_init_BI = CacheMethod(env, java_lang_String, false, "<init>", "([BI)V"); 271 java_lang_String_init_BII = CacheMethod(env, java_lang_String, false, "<init>", "([BII)V"); 272 java_lang_String_init_BIII = CacheMethod(env, java_lang_String, false, "<init>", "([BIII)V"); 273 java_lang_String_init_BIIString = CacheMethod(env, java_lang_String, false, "<init>", 274 "([BIILjava/lang/String;)V"); 275 java_lang_String_init_BString = CacheMethod(env, java_lang_String, false, "<init>", 276 "([BLjava/lang/String;)V"); 277 java_lang_String_init_BIICharset = CacheMethod(env, java_lang_String, false, "<init>", 278 "([BIILjava/nio/charset/Charset;)V"); 279 java_lang_String_init_BCharset = CacheMethod(env, java_lang_String, false, "<init>", 280 "([BLjava/nio/charset/Charset;)V"); 281 java_lang_String_init_C = CacheMethod(env, java_lang_String, false, "<init>", "([C)V"); 282 java_lang_String_init_CII = CacheMethod(env, java_lang_String, false, "<init>", "([CII)V"); 283 java_lang_String_init_IIC = CacheMethod(env, java_lang_String, false, "<init>", "(II[C)V"); 284 java_lang_String_init_String = CacheMethod(env, java_lang_String, false, "<init>", 285 "(Ljava/lang/String;)V"); 286 java_lang_String_init_StringBuffer = CacheMethod(env, java_lang_String, false, "<init>", 287 "(Ljava/lang/StringBuffer;)V"); 288 java_lang_String_init_III = CacheMethod(env, java_lang_String, false, "<init>", "([III)V"); 289 java_lang_String_init_StringBuilder = CacheMethod(env, java_lang_String, false, "<init>", 290 "(Ljava/lang/StringBuilder;)V"); 291 java_lang_StringFactory_newEmptyString = CacheMethod(env, java_lang_StringFactory, true, 292 "newEmptyString", "()Ljava/lang/String;"); 293 java_lang_StringFactory_newStringFromBytes_B = CacheMethod(env, java_lang_StringFactory, true, 294 "newStringFromBytes", "([B)Ljava/lang/String;"); 295 java_lang_StringFactory_newStringFromBytes_BI = CacheMethod(env, java_lang_StringFactory, true, 296 "newStringFromBytes", "([BI)Ljava/lang/String;"); 297 java_lang_StringFactory_newStringFromBytes_BII = CacheMethod(env, java_lang_StringFactory, true, 298 "newStringFromBytes", "([BII)Ljava/lang/String;"); 299 java_lang_StringFactory_newStringFromBytes_BIII = CacheMethod(env, java_lang_StringFactory, true, 300 "newStringFromBytes", "([BIII)Ljava/lang/String;"); 301 java_lang_StringFactory_newStringFromBytes_BIIString = CacheMethod(env, java_lang_StringFactory, 302 true, "newStringFromBytes", "([BIILjava/lang/String;)Ljava/lang/String;"); 303 java_lang_StringFactory_newStringFromBytes_BString = CacheMethod(env, java_lang_StringFactory, 304 true, "newStringFromBytes", "([BLjava/lang/String;)Ljava/lang/String;"); 305 java_lang_StringFactory_newStringFromBytes_BIICharset = CacheMethod(env, java_lang_StringFactory, 306 true, "newStringFromBytes", "([BIILjava/nio/charset/Charset;)Ljava/lang/String;"); 307 java_lang_StringFactory_newStringFromBytes_BCharset = CacheMethod(env, java_lang_StringFactory, 308 true, "newStringFromBytes", "([BLjava/nio/charset/Charset;)Ljava/lang/String;"); 309 java_lang_StringFactory_newStringFromChars_C = CacheMethod(env, java_lang_StringFactory, true, 310 "newStringFromChars", "([C)Ljava/lang/String;"); 311 java_lang_StringFactory_newStringFromChars_CII = CacheMethod(env, java_lang_StringFactory, true, 312 "newStringFromChars", "([CII)Ljava/lang/String;"); 313 java_lang_StringFactory_newStringFromChars_IIC = CacheMethod(env, java_lang_StringFactory, true, 314 "newStringFromChars", "(II[C)Ljava/lang/String;"); 315 java_lang_StringFactory_newStringFromString = CacheMethod(env, java_lang_StringFactory, true, 316 "newStringFromString", "(Ljava/lang/String;)Ljava/lang/String;"); 317 java_lang_StringFactory_newStringFromStringBuffer = CacheMethod(env, java_lang_StringFactory, 318 true, "newStringFromStringBuffer", "(Ljava/lang/StringBuffer;)Ljava/lang/String;"); 319 java_lang_StringFactory_newStringFromCodePoints = CacheMethod(env, java_lang_StringFactory, 320 true, "newStringFromCodePoints", "([III)Ljava/lang/String;"); 321 java_lang_StringFactory_newStringFromStringBuilder = CacheMethod(env, java_lang_StringFactory, 322 true, "newStringFromStringBuilder", "(Ljava/lang/StringBuilder;)Ljava/lang/String;"); 323 324 dalvik_system_DexFile_cookie = CacheField(env, dalvik_system_DexFile, false, "mCookie", "Ljava/lang/Object;"); 325 dalvik_system_PathClassLoader_pathList = CacheField(env, dalvik_system_PathClassLoader, false, "pathList", "Ldalvik/system/DexPathList;"); 326 dalvik_system_DexPathList_dexElements = CacheField(env, dalvik_system_DexPathList, false, "dexElements", "[Ldalvik/system/DexPathList$Element;"); 327 dalvik_system_DexPathList__Element_dexFile = CacheField(env, dalvik_system_DexPathList__Element, false, "dexFile", "Ldalvik/system/DexFile;"); 328 java_lang_Thread_daemon = CacheField(env, java_lang_Thread, false, "daemon", "Z"); 329 java_lang_Thread_group = CacheField(env, java_lang_Thread, false, "group", "Ljava/lang/ThreadGroup;"); 330 java_lang_Thread_lock = CacheField(env, java_lang_Thread, false, "lock", "Ljava/lang/Object;"); 331 java_lang_Thread_name = CacheField(env, java_lang_Thread, false, "name", "Ljava/lang/String;"); 332 java_lang_Thread_priority = CacheField(env, java_lang_Thread, false, "priority", "I"); 333 java_lang_Thread_uncaughtHandler = CacheField(env, java_lang_Thread, false, "uncaughtHandler", "Ljava/lang/Thread$UncaughtExceptionHandler;"); 334 java_lang_Thread_nativePeer = CacheField(env, java_lang_Thread, false, "nativePeer", "J"); 335 java_lang_ThreadGroup_groups = CacheField(env, java_lang_ThreadGroup, false, "groups", "Ljava/util/List;"); 336 java_lang_ThreadGroup_mainThreadGroup = CacheField(env, java_lang_ThreadGroup, true, "mainThreadGroup", "Ljava/lang/ThreadGroup;"); 337 java_lang_ThreadGroup_name = CacheField(env, java_lang_ThreadGroup, false, "name", "Ljava/lang/String;"); 338 java_lang_ThreadGroup_parent = CacheField(env, java_lang_ThreadGroup, false, "parent", "Ljava/lang/ThreadGroup;"); 339 java_lang_ThreadGroup_systemThreadGroup = CacheField(env, java_lang_ThreadGroup, true, "systemThreadGroup", "Ljava/lang/ThreadGroup;"); 340 java_lang_Throwable_cause = CacheField(env, java_lang_Throwable, false, "cause", "Ljava/lang/Throwable;"); 341 java_lang_Throwable_detailMessage = CacheField(env, java_lang_Throwable, false, "detailMessage", "Ljava/lang/String;"); 342 java_lang_Throwable_stackTrace = CacheField(env, java_lang_Throwable, false, "stackTrace", "[Ljava/lang/StackTraceElement;"); 343 java_lang_Throwable_stackState = CacheField(env, java_lang_Throwable, false, "stackState", "Ljava/lang/Object;"); 344 java_lang_Throwable_suppressedExceptions = CacheField(env, java_lang_Throwable, false, "suppressedExceptions", "Ljava/util/List;"); 345 java_lang_reflect_AbstractMethod_artMethod = CacheField(env, java_lang_reflect_AbstractMethod, false, "artMethod", "J"); 346 java_lang_reflect_Proxy_h = CacheField(env, java_lang_reflect_Proxy, false, "h", "Ljava/lang/reflect/InvocationHandler;"); 347 java_nio_DirectByteBuffer_capacity = CacheField(env, java_nio_DirectByteBuffer, false, "capacity", "I"); 348 java_nio_DirectByteBuffer_effectiveDirectAddress = CacheField(env, java_nio_DirectByteBuffer, false, "effectiveDirectAddress", "J"); 349 java_util_ArrayList_array = CacheField(env, java_util_ArrayList, false, "array", "[Ljava/lang/Object;"); 350 java_util_ArrayList_size = CacheField(env, java_util_ArrayList, false, "size", "I"); 351 java_util_Collections_EMPTY_LIST = CacheField(env, java_util_Collections, true, "EMPTY_LIST", "Ljava/util/List;"); 352 libcore_util_EmptyArray_STACK_TRACE_ELEMENT = CacheField(env, libcore_util_EmptyArray, true, "STACK_TRACE_ELEMENT", "[Ljava/lang/StackTraceElement;"); 353 org_apache_harmony_dalvik_ddmc_Chunk_data = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "data", "[B"); 354 org_apache_harmony_dalvik_ddmc_Chunk_length = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "length", "I"); 355 org_apache_harmony_dalvik_ddmc_Chunk_offset = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "offset", "I"); 356 org_apache_harmony_dalvik_ddmc_Chunk_type = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "type", "I"); 357 358 java_lang_Boolean_valueOf = CachePrimitiveBoxingMethod(env, 'Z', "java/lang/Boolean"); 359 java_lang_Byte_valueOf = CachePrimitiveBoxingMethod(env, 'B', "java/lang/Byte"); 360 java_lang_Character_valueOf = CachePrimitiveBoxingMethod(env, 'C', "java/lang/Character"); 361 java_lang_Double_valueOf = CachePrimitiveBoxingMethod(env, 'D', "java/lang/Double"); 362 java_lang_Float_valueOf = CachePrimitiveBoxingMethod(env, 'F', "java/lang/Float"); 363 java_lang_Integer_valueOf = CachePrimitiveBoxingMethod(env, 'I', "java/lang/Integer"); 364 java_lang_Long_valueOf = CachePrimitiveBoxingMethod(env, 'J', "java/lang/Long"); 365 java_lang_Short_valueOf = CachePrimitiveBoxingMethod(env, 'S', "java/lang/Short"); 366 367 Thread::Current()->InitStringEntryPoints(); 368 } 369 370 void WellKnownClasses::LateInit(JNIEnv* env) { 371 ScopedLocalRef<jclass> java_lang_Runtime(env, env->FindClass("java/lang/Runtime")); 372 java_lang_Runtime_nativeLoad = CacheMethod(env, java_lang_Runtime.get(), true, "nativeLoad", "(Ljava/lang/String;Ljava/lang/ClassLoader;Ljava/lang/String;)Ljava/lang/String;"); 373 } 374 375 mirror::Class* WellKnownClasses::ToClass(jclass global_jclass) { 376 return reinterpret_cast<mirror::Class*>(Thread::Current()->DecodeJObject(global_jclass)); 377 } 378 379 jmethodID WellKnownClasses::StringInitToStringFactoryMethodID(jmethodID string_init) { 380 // TODO: Prioritize ordering. 381 if (string_init == java_lang_String_init) { 382 return java_lang_StringFactory_newEmptyString; 383 } else if (string_init == java_lang_String_init_B) { 384 return java_lang_StringFactory_newStringFromBytes_B; 385 } else if (string_init == java_lang_String_init_BI) { 386 return java_lang_StringFactory_newStringFromBytes_BI; 387 } else if (string_init == java_lang_String_init_BII) { 388 return java_lang_StringFactory_newStringFromBytes_BII; 389 } else if (string_init == java_lang_String_init_BIII) { 390 return java_lang_StringFactory_newStringFromBytes_BIII; 391 } else if (string_init == java_lang_String_init_BIIString) { 392 return java_lang_StringFactory_newStringFromBytes_BIIString; 393 } else if (string_init == java_lang_String_init_BString) { 394 return java_lang_StringFactory_newStringFromBytes_BString; 395 } else if (string_init == java_lang_String_init_BIICharset) { 396 return java_lang_StringFactory_newStringFromBytes_BIICharset; 397 } else if (string_init == java_lang_String_init_BCharset) { 398 return java_lang_StringFactory_newStringFromBytes_BCharset; 399 } else if (string_init == java_lang_String_init_C) { 400 return java_lang_StringFactory_newStringFromChars_C; 401 } else if (string_init == java_lang_String_init_CII) { 402 return java_lang_StringFactory_newStringFromChars_CII; 403 } else if (string_init == java_lang_String_init_IIC) { 404 return java_lang_StringFactory_newStringFromChars_IIC; 405 } else if (string_init == java_lang_String_init_String) { 406 return java_lang_StringFactory_newStringFromString; 407 } else if (string_init == java_lang_String_init_StringBuffer) { 408 return java_lang_StringFactory_newStringFromStringBuffer; 409 } else if (string_init == java_lang_String_init_III) { 410 return java_lang_StringFactory_newStringFromCodePoints; 411 } else if (string_init == java_lang_String_init_StringBuilder) { 412 return java_lang_StringFactory_newStringFromStringBuilder; 413 } 414 LOG(FATAL) << "Could not find StringFactory method for String.<init>"; 415 return nullptr; 416 } 417 418 } // namespace art 419
