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 "android-base/stringprintf.h" 24 25 #include "base/logging.h" 26 #include "entrypoints/quick/quick_entrypoints_enum.h" 27 #include "jni_internal.h" 28 #include "mirror/class.h" 29 #include "mirror/throwable.h" 30 #include "nativehelper/ScopedLocalRef.h" 31 #include "obj_ptr-inl.h" 32 #include "scoped_thread_state_change-inl.h" 33 #include "thread-current-inl.h" 34 35 namespace art { 36 37 jclass WellKnownClasses::dalvik_annotation_optimization_CriticalNative; 38 jclass WellKnownClasses::dalvik_annotation_optimization_FastNative; 39 jclass WellKnownClasses::dalvik_system_BaseDexClassLoader; 40 jclass WellKnownClasses::dalvik_system_DelegateLastClassLoader; 41 jclass WellKnownClasses::dalvik_system_DexClassLoader; 42 jclass WellKnownClasses::dalvik_system_DexFile; 43 jclass WellKnownClasses::dalvik_system_DexPathList; 44 jclass WellKnownClasses::dalvik_system_DexPathList__Element; 45 jclass WellKnownClasses::dalvik_system_EmulatedStackFrame; 46 jclass WellKnownClasses::dalvik_system_PathClassLoader; 47 jclass WellKnownClasses::dalvik_system_VMRuntime; 48 jclass WellKnownClasses::java_lang_annotation_Annotation__array; 49 jclass WellKnownClasses::java_lang_BootClassLoader; 50 jclass WellKnownClasses::java_lang_ClassLoader; 51 jclass WellKnownClasses::java_lang_ClassNotFoundException; 52 jclass WellKnownClasses::java_lang_Daemons; 53 jclass WellKnownClasses::java_lang_Error; 54 jclass WellKnownClasses::java_lang_invoke_MethodHandle; 55 jclass WellKnownClasses::java_lang_IllegalAccessError; 56 jclass WellKnownClasses::java_lang_NoClassDefFoundError; 57 jclass WellKnownClasses::java_lang_Object; 58 jclass WellKnownClasses::java_lang_OutOfMemoryError; 59 jclass WellKnownClasses::java_lang_reflect_Constructor; 60 jclass WellKnownClasses::java_lang_reflect_Executable; 61 jclass WellKnownClasses::java_lang_reflect_Field; 62 jclass WellKnownClasses::java_lang_reflect_Method; 63 jclass WellKnownClasses::java_lang_reflect_Parameter; 64 jclass WellKnownClasses::java_lang_reflect_Parameter__array; 65 jclass WellKnownClasses::java_lang_reflect_Proxy; 66 jclass WellKnownClasses::java_lang_RuntimeException; 67 jclass WellKnownClasses::java_lang_StackOverflowError; 68 jclass WellKnownClasses::java_lang_String; 69 jclass WellKnownClasses::java_lang_StringFactory; 70 jclass WellKnownClasses::java_lang_System; 71 jclass WellKnownClasses::java_lang_Thread; 72 jclass WellKnownClasses::java_lang_ThreadGroup; 73 jclass WellKnownClasses::java_lang_Throwable; 74 jclass WellKnownClasses::java_nio_DirectByteBuffer; 75 jclass WellKnownClasses::java_util_ArrayList; 76 jclass WellKnownClasses::java_util_Collections; 77 jclass WellKnownClasses::libcore_reflect_AnnotationFactory; 78 jclass WellKnownClasses::libcore_reflect_AnnotationMember; 79 jclass WellKnownClasses::libcore_util_EmptyArray; 80 jclass WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk; 81 jclass WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer; 82 83 jmethodID WellKnownClasses::dalvik_system_VMRuntime_runFinalization; 84 jmethodID WellKnownClasses::java_lang_Boolean_valueOf; 85 jmethodID WellKnownClasses::java_lang_Byte_valueOf; 86 jmethodID WellKnownClasses::java_lang_Character_valueOf; 87 jmethodID WellKnownClasses::java_lang_ClassLoader_loadClass; 88 jmethodID WellKnownClasses::java_lang_ClassNotFoundException_init; 89 jmethodID WellKnownClasses::java_lang_Daemons_requestHeapTrim; 90 jmethodID WellKnownClasses::java_lang_Daemons_start; 91 jmethodID WellKnownClasses::java_lang_Daemons_stop; 92 jmethodID WellKnownClasses::java_lang_Double_valueOf; 93 jmethodID WellKnownClasses::java_lang_Float_valueOf; 94 jmethodID WellKnownClasses::java_lang_Integer_valueOf; 95 jmethodID WellKnownClasses::java_lang_invoke_MethodHandle_invoke; 96 jmethodID WellKnownClasses::java_lang_invoke_MethodHandle_invokeExact; 97 jmethodID WellKnownClasses::java_lang_invoke_MethodHandles_lookup; 98 jmethodID WellKnownClasses::java_lang_invoke_MethodHandles_Lookup_findConstructor; 99 jmethodID WellKnownClasses::java_lang_Long_valueOf; 100 jmethodID WellKnownClasses::java_lang_ref_FinalizerReference_add; 101 jmethodID WellKnownClasses::java_lang_ref_ReferenceQueue_add; 102 jmethodID WellKnownClasses::java_lang_reflect_Parameter_init; 103 jmethodID WellKnownClasses::java_lang_reflect_Proxy_invoke; 104 jmethodID WellKnownClasses::java_lang_Runtime_nativeLoad; 105 jmethodID WellKnownClasses::java_lang_Short_valueOf; 106 jmethodID WellKnownClasses::java_lang_String_charAt; 107 jmethodID WellKnownClasses::java_lang_System_runFinalization = nullptr; 108 jmethodID WellKnownClasses::java_lang_Thread_dispatchUncaughtException; 109 jmethodID WellKnownClasses::java_lang_Thread_init; 110 jmethodID WellKnownClasses::java_lang_Thread_run; 111 jmethodID WellKnownClasses::java_lang_ThreadGroup_removeThread; 112 jmethodID WellKnownClasses::java_nio_DirectByteBuffer_init; 113 jmethodID WellKnownClasses::libcore_reflect_AnnotationFactory_createAnnotation; 114 jmethodID WellKnownClasses::libcore_reflect_AnnotationMember_init; 115 jmethodID WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_broadcast; 116 jmethodID WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_dispatch; 117 118 jfieldID WellKnownClasses::dalvik_system_DexFile_cookie; 119 jfieldID WellKnownClasses::dalvik_system_DexFile_fileName; 120 jfieldID WellKnownClasses::dalvik_system_BaseDexClassLoader_pathList; 121 jfieldID WellKnownClasses::dalvik_system_DexPathList_dexElements; 122 jfieldID WellKnownClasses::dalvik_system_DexPathList__Element_dexFile; 123 jfieldID WellKnownClasses::java_lang_Thread_daemon; 124 jfieldID WellKnownClasses::java_lang_Thread_group; 125 jfieldID WellKnownClasses::java_lang_Thread_lock; 126 jfieldID WellKnownClasses::java_lang_Thread_name; 127 jfieldID WellKnownClasses::java_lang_Thread_priority; 128 jfieldID WellKnownClasses::java_lang_Thread_nativePeer; 129 jfieldID WellKnownClasses::java_lang_ThreadGroup_groups; 130 jfieldID WellKnownClasses::java_lang_ThreadGroup_ngroups; 131 jfieldID WellKnownClasses::java_lang_ThreadGroup_mainThreadGroup; 132 jfieldID WellKnownClasses::java_lang_ThreadGroup_name; 133 jfieldID WellKnownClasses::java_lang_ThreadGroup_parent; 134 jfieldID WellKnownClasses::java_lang_ThreadGroup_systemThreadGroup; 135 jfieldID WellKnownClasses::java_lang_Throwable_cause; 136 jfieldID WellKnownClasses::java_lang_Throwable_detailMessage; 137 jfieldID WellKnownClasses::java_lang_Throwable_stackTrace; 138 jfieldID WellKnownClasses::java_lang_Throwable_stackState; 139 jfieldID WellKnownClasses::java_lang_Throwable_suppressedExceptions; 140 jfieldID WellKnownClasses::java_lang_reflect_Executable_artMethod; 141 jfieldID WellKnownClasses::java_lang_reflect_Proxy_h; 142 jfieldID WellKnownClasses::java_nio_DirectByteBuffer_capacity; 143 jfieldID WellKnownClasses::java_nio_DirectByteBuffer_effectiveDirectAddress; 144 jfieldID WellKnownClasses::java_util_ArrayList_array; 145 jfieldID WellKnownClasses::java_util_ArrayList_size; 146 jfieldID WellKnownClasses::java_util_Collections_EMPTY_LIST; 147 jfieldID WellKnownClasses::libcore_util_EmptyArray_STACK_TRACE_ELEMENT; 148 jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_data; 149 jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_length; 150 jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_offset; 151 jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_type; 152 153 static jclass CacheClass(JNIEnv* env, const char* jni_class_name) { 154 ScopedLocalRef<jclass> c(env, env->FindClass(jni_class_name)); 155 if (c.get() == nullptr) { 156 LOG(FATAL) << "Couldn't find class: " << jni_class_name; 157 } 158 return reinterpret_cast<jclass>(env->NewGlobalRef(c.get())); 159 } 160 161 static jfieldID CacheField(JNIEnv* env, jclass c, bool is_static, 162 const char* name, const char* signature) { 163 jfieldID fid = is_static ? env->GetStaticFieldID(c, name, signature) : 164 env->GetFieldID(c, name, signature); 165 if (fid == nullptr) { 166 ScopedObjectAccess soa(env); 167 if (soa.Self()->IsExceptionPending()) { 168 LOG(FATAL_WITHOUT_ABORT) << soa.Self()->GetException()->Dump(); 169 } 170 std::ostringstream os; 171 WellKnownClasses::ToClass(c)->DumpClass(os, mirror::Class::kDumpClassFullDetail); 172 LOG(FATAL) << "Couldn't find field \"" << name << "\" with signature \"" << signature << "\": " 173 << os.str(); 174 } 175 return fid; 176 } 177 178 static jmethodID CacheMethod(JNIEnv* env, jclass c, bool is_static, 179 const char* name, const char* signature) { 180 jmethodID mid = is_static ? env->GetStaticMethodID(c, name, signature) : 181 env->GetMethodID(c, name, signature); 182 if (mid == nullptr) { 183 ScopedObjectAccess soa(env); 184 if (soa.Self()->IsExceptionPending()) { 185 LOG(FATAL_WITHOUT_ABORT) << soa.Self()->GetException()->Dump(); 186 } 187 std::ostringstream os; 188 WellKnownClasses::ToClass(c)->DumpClass(os, mirror::Class::kDumpClassFullDetail); 189 LOG(FATAL) << "Couldn't find method \"" << name << "\" with signature \"" << signature << "\": " 190 << os.str(); 191 } 192 return mid; 193 } 194 195 static jmethodID CacheMethod(JNIEnv* env, const char* klass, bool is_static, 196 const char* name, const char* signature) { 197 ScopedLocalRef<jclass> java_class(env, env->FindClass(klass)); 198 return CacheMethod(env, java_class.get(), is_static, name, signature); 199 } 200 201 static jmethodID CachePrimitiveBoxingMethod(JNIEnv* env, char prim_name, const char* boxed_name) { 202 ScopedLocalRef<jclass> boxed_class(env, env->FindClass(boxed_name)); 203 return CacheMethod(env, boxed_class.get(), true, "valueOf", 204 android::base::StringPrintf("(%c)L%s;", prim_name, boxed_name).c_str()); 205 } 206 207 #define STRING_INIT_LIST(V) \ 208 V(java_lang_String_init, "()V", newEmptyString, "newEmptyString", "()Ljava/lang/String;", NewEmptyString) \ 209 V(java_lang_String_init_B, "([B)V", newStringFromBytes_B, "newStringFromBytes", "([B)Ljava/lang/String;", NewStringFromBytes_B) \ 210 V(java_lang_String_init_BI, "([BI)V", newStringFromBytes_BI, "newStringFromBytes", "([BI)Ljava/lang/String;", NewStringFromBytes_BI) \ 211 V(java_lang_String_init_BII, "([BII)V", newStringFromBytes_BII, "newStringFromBytes", "([BII)Ljava/lang/String;", NewStringFromBytes_BII) \ 212 V(java_lang_String_init_BIII, "([BIII)V", newStringFromBytes_BIII, "newStringFromBytes", "([BIII)Ljava/lang/String;", NewStringFromBytes_BIII) \ 213 V(java_lang_String_init_BIIString, "([BIILjava/lang/String;)V", newStringFromBytes_BIIString, "newStringFromBytes", "([BIILjava/lang/String;)Ljava/lang/String;", NewStringFromBytes_BIIString) \ 214 V(java_lang_String_init_BString, "([BLjava/lang/String;)V", newStringFromBytes_BString, "newStringFromBytes", "([BLjava/lang/String;)Ljava/lang/String;", NewStringFromBytes_BString) \ 215 V(java_lang_String_init_BIICharset, "([BIILjava/nio/charset/Charset;)V", newStringFromBytes_BIICharset, "newStringFromBytes", "([BIILjava/nio/charset/Charset;)Ljava/lang/String;", NewStringFromBytes_BIICharset) \ 216 V(java_lang_String_init_BCharset, "([BLjava/nio/charset/Charset;)V", newStringFromBytes_BCharset, "newStringFromBytes", "([BLjava/nio/charset/Charset;)Ljava/lang/String;", NewStringFromBytes_BCharset) \ 217 V(java_lang_String_init_C, "([C)V", newStringFromChars_C, "newStringFromChars", "([C)Ljava/lang/String;", NewStringFromChars_C) \ 218 V(java_lang_String_init_CII, "([CII)V", newStringFromChars_CII, "newStringFromChars", "([CII)Ljava/lang/String;", NewStringFromChars_CII) \ 219 V(java_lang_String_init_IIC, "(II[C)V", newStringFromChars_IIC, "newStringFromChars", "(II[C)Ljava/lang/String;", NewStringFromChars_IIC) \ 220 V(java_lang_String_init_String, "(Ljava/lang/String;)V", newStringFromString, "newStringFromString", "(Ljava/lang/String;)Ljava/lang/String;", NewStringFromString) \ 221 V(java_lang_String_init_StringBuffer, "(Ljava/lang/StringBuffer;)V", newStringFromStringBuffer, "newStringFromStringBuffer", "(Ljava/lang/StringBuffer;)Ljava/lang/String;", NewStringFromStringBuffer) \ 222 V(java_lang_String_init_III, "([III)V", newStringFromCodePoints, "newStringFromCodePoints", "([III)Ljava/lang/String;", NewStringFromCodePoints) \ 223 V(java_lang_String_init_StringBuilder, "(Ljava/lang/StringBuilder;)V", newStringFromStringBuilder, "newStringFromStringBuilder", "(Ljava/lang/StringBuilder;)Ljava/lang/String;", NewStringFromStringBuilder) \ 224 225 #define STATIC_STRING_INIT(init_runtime_name, init_signature, new_runtime_name, ...) \ 226 static ArtMethod* init_runtime_name; \ 227 static ArtMethod* new_runtime_name; 228 STRING_INIT_LIST(STATIC_STRING_INIT) 229 #undef STATIC_STRING_INIT 230 231 void WellKnownClasses::InitStringInit(JNIEnv* env) { 232 ScopedObjectAccess soa(Thread::Current()); 233 #define LOAD_STRING_INIT(init_runtime_name, init_signature, new_runtime_name, \ 234 new_java_name, new_signature, ...) \ 235 init_runtime_name = jni::DecodeArtMethod( \ 236 CacheMethod(env, java_lang_String, false, "<init>", init_signature)); \ 237 new_runtime_name = jni::DecodeArtMethod( \ 238 CacheMethod(env, java_lang_StringFactory, true, new_java_name, new_signature)); 239 STRING_INIT_LIST(LOAD_STRING_INIT) 240 #undef LOAD_STRING_INIT 241 } 242 243 void Thread::InitStringEntryPoints() { 244 QuickEntryPoints* qpoints = &tlsPtr_.quick_entrypoints; 245 #define SET_ENTRY_POINT(init_runtime_name, init_signature, new_runtime_name, \ 246 new_java_name, new_signature, entry_point_name) \ 247 qpoints->p ## entry_point_name = reinterpret_cast<void(*)()>(new_runtime_name); 248 STRING_INIT_LIST(SET_ENTRY_POINT) 249 #undef SET_ENTRY_POINT 250 } 251 252 ArtMethod* WellKnownClasses::StringInitToStringFactory(ArtMethod* string_init) { 253 #define TO_STRING_FACTORY(init_runtime_name, init_signature, new_runtime_name, \ 254 new_java_name, new_signature, entry_point_name) \ 255 if (string_init == (init_runtime_name)) { \ 256 return (new_runtime_name); \ 257 } 258 STRING_INIT_LIST(TO_STRING_FACTORY) 259 #undef TO_STRING_FACTORY 260 LOG(FATAL) << "Could not find StringFactory method for String.<init>"; 261 return nullptr; 262 } 263 264 uint32_t WellKnownClasses::StringInitToEntryPoint(ArtMethod* string_init) { 265 #define TO_ENTRY_POINT(init_runtime_name, init_signature, new_runtime_name, \ 266 new_java_name, new_signature, entry_point_name) \ 267 if (string_init == (init_runtime_name)) { \ 268 return kQuick ## entry_point_name; \ 269 } 270 STRING_INIT_LIST(TO_ENTRY_POINT) 271 #undef TO_STRING_FACTORY 272 LOG(FATAL) << "Could not find StringFactory method for String.<init>"; 273 return 0; 274 } 275 #undef STRING_INIT_LIST 276 277 void WellKnownClasses::Init(JNIEnv* env) { 278 dalvik_annotation_optimization_CriticalNative = 279 CacheClass(env, "dalvik/annotation/optimization/CriticalNative"); 280 dalvik_annotation_optimization_FastNative = CacheClass(env, "dalvik/annotation/optimization/FastNative"); 281 dalvik_system_BaseDexClassLoader = CacheClass(env, "dalvik/system/BaseDexClassLoader"); 282 dalvik_system_DelegateLastClassLoader = CacheClass(env, "dalvik/system/DelegateLastClassLoader"); 283 dalvik_system_DexClassLoader = CacheClass(env, "dalvik/system/DexClassLoader"); 284 dalvik_system_DexFile = CacheClass(env, "dalvik/system/DexFile"); 285 dalvik_system_DexPathList = CacheClass(env, "dalvik/system/DexPathList"); 286 dalvik_system_DexPathList__Element = CacheClass(env, "dalvik/system/DexPathList$Element"); 287 dalvik_system_EmulatedStackFrame = CacheClass(env, "dalvik/system/EmulatedStackFrame"); 288 dalvik_system_PathClassLoader = CacheClass(env, "dalvik/system/PathClassLoader"); 289 dalvik_system_VMRuntime = CacheClass(env, "dalvik/system/VMRuntime"); 290 291 java_lang_annotation_Annotation__array = CacheClass(env, "[Ljava/lang/annotation/Annotation;"); 292 java_lang_BootClassLoader = CacheClass(env, "java/lang/BootClassLoader"); 293 java_lang_ClassLoader = CacheClass(env, "java/lang/ClassLoader"); 294 java_lang_ClassNotFoundException = CacheClass(env, "java/lang/ClassNotFoundException"); 295 java_lang_Daemons = CacheClass(env, "java/lang/Daemons"); 296 java_lang_Object = CacheClass(env, "java/lang/Object"); 297 java_lang_OutOfMemoryError = CacheClass(env, "java/lang/OutOfMemoryError"); 298 java_lang_Error = CacheClass(env, "java/lang/Error"); 299 java_lang_IllegalAccessError = CacheClass(env, "java/lang/IllegalAccessError"); 300 java_lang_invoke_MethodHandle = CacheClass(env, "java/lang/invoke/MethodHandle"); 301 java_lang_NoClassDefFoundError = CacheClass(env, "java/lang/NoClassDefFoundError"); 302 java_lang_reflect_Constructor = CacheClass(env, "java/lang/reflect/Constructor"); 303 java_lang_reflect_Executable = CacheClass(env, "java/lang/reflect/Executable"); 304 java_lang_reflect_Field = CacheClass(env, "java/lang/reflect/Field"); 305 java_lang_reflect_Method = CacheClass(env, "java/lang/reflect/Method"); 306 java_lang_reflect_Parameter = CacheClass(env, "java/lang/reflect/Parameter"); 307 java_lang_reflect_Parameter__array = CacheClass(env, "[Ljava/lang/reflect/Parameter;"); 308 java_lang_reflect_Proxy = CacheClass(env, "java/lang/reflect/Proxy"); 309 java_lang_RuntimeException = CacheClass(env, "java/lang/RuntimeException"); 310 java_lang_StackOverflowError = CacheClass(env, "java/lang/StackOverflowError"); 311 java_lang_String = CacheClass(env, "java/lang/String"); 312 java_lang_StringFactory = CacheClass(env, "java/lang/StringFactory"); 313 java_lang_System = CacheClass(env, "java/lang/System"); 314 java_lang_Thread = CacheClass(env, "java/lang/Thread"); 315 java_lang_ThreadGroup = CacheClass(env, "java/lang/ThreadGroup"); 316 java_lang_Throwable = CacheClass(env, "java/lang/Throwable"); 317 java_nio_DirectByteBuffer = CacheClass(env, "java/nio/DirectByteBuffer"); 318 java_util_ArrayList = CacheClass(env, "java/util/ArrayList"); 319 java_util_Collections = CacheClass(env, "java/util/Collections"); 320 libcore_reflect_AnnotationFactory = CacheClass(env, "libcore/reflect/AnnotationFactory"); 321 libcore_reflect_AnnotationMember = CacheClass(env, "libcore/reflect/AnnotationMember"); 322 libcore_util_EmptyArray = CacheClass(env, "libcore/util/EmptyArray"); 323 org_apache_harmony_dalvik_ddmc_Chunk = CacheClass(env, "org/apache/harmony/dalvik/ddmc/Chunk"); 324 org_apache_harmony_dalvik_ddmc_DdmServer = CacheClass(env, "org/apache/harmony/dalvik/ddmc/DdmServer"); 325 326 dalvik_system_VMRuntime_runFinalization = CacheMethod(env, dalvik_system_VMRuntime, true, "runFinalization", "(J)V"); 327 java_lang_ClassNotFoundException_init = CacheMethod(env, java_lang_ClassNotFoundException, false, "<init>", "(Ljava/lang/String;Ljava/lang/Throwable;)V"); 328 java_lang_ClassLoader_loadClass = CacheMethod(env, java_lang_ClassLoader, false, "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;"); 329 330 java_lang_Daemons_requestHeapTrim = CacheMethod(env, java_lang_Daemons, true, "requestHeapTrim", "()V"); 331 java_lang_Daemons_start = CacheMethod(env, java_lang_Daemons, true, "start", "()V"); 332 java_lang_Daemons_stop = CacheMethod(env, java_lang_Daemons, true, "stop", "()V"); 333 java_lang_invoke_MethodHandle_invoke = CacheMethod(env, java_lang_invoke_MethodHandle, false, "invoke", "([Ljava/lang/Object;)Ljava/lang/Object;"); 334 java_lang_invoke_MethodHandle_invokeExact = CacheMethod(env, java_lang_invoke_MethodHandle, false, "invokeExact", "([Ljava/lang/Object;)Ljava/lang/Object;"); 335 java_lang_invoke_MethodHandles_lookup = CacheMethod(env, "java/lang/invoke/MethodHandles", true, "lookup", "()Ljava/lang/invoke/MethodHandles$Lookup;"); 336 java_lang_invoke_MethodHandles_Lookup_findConstructor = CacheMethod(env, "java/lang/invoke/MethodHandles$Lookup", false, "findConstructor", "(Ljava/lang/Class;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/MethodHandle;"); 337 java_lang_ref_FinalizerReference_add = CacheMethod(env, "java/lang/ref/FinalizerReference", true, "add", "(Ljava/lang/Object;)V"); 338 java_lang_ref_ReferenceQueue_add = CacheMethod(env, "java/lang/ref/ReferenceQueue", true, "add", "(Ljava/lang/ref/Reference;)V"); 339 340 java_lang_reflect_Parameter_init = CacheMethod(env, java_lang_reflect_Parameter, false, "<init>", "(Ljava/lang/String;ILjava/lang/reflect/Executable;I)V"); 341 java_lang_String_charAt = CacheMethod(env, java_lang_String, false, "charAt", "(I)C"); 342 java_lang_Thread_dispatchUncaughtException = CacheMethod(env, java_lang_Thread, false, "dispatchUncaughtException", "(Ljava/lang/Throwable;)V"); 343 java_lang_Thread_init = CacheMethod(env, java_lang_Thread, false, "<init>", "(Ljava/lang/ThreadGroup;Ljava/lang/String;IZ)V"); 344 java_lang_Thread_run = CacheMethod(env, java_lang_Thread, false, "run", "()V"); 345 java_lang_ThreadGroup_removeThread = CacheMethod(env, java_lang_ThreadGroup, false, "threadTerminated", "(Ljava/lang/Thread;)V"); 346 java_nio_DirectByteBuffer_init = CacheMethod(env, java_nio_DirectByteBuffer, false, "<init>", "(JI)V"); 347 libcore_reflect_AnnotationFactory_createAnnotation = CacheMethod(env, libcore_reflect_AnnotationFactory, true, "createAnnotation", "(Ljava/lang/Class;[Llibcore/reflect/AnnotationMember;)Ljava/lang/annotation/Annotation;"); 348 libcore_reflect_AnnotationMember_init = CacheMethod(env, libcore_reflect_AnnotationMember, false, "<init>", "(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Class;Ljava/lang/reflect/Method;)V"); 349 org_apache_harmony_dalvik_ddmc_DdmServer_broadcast = CacheMethod(env, org_apache_harmony_dalvik_ddmc_DdmServer, true, "broadcast", "(I)V"); 350 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;"); 351 352 dalvik_system_BaseDexClassLoader_pathList = CacheField(env, dalvik_system_BaseDexClassLoader, false, "pathList", "Ldalvik/system/DexPathList;"); 353 dalvik_system_DexFile_cookie = CacheField(env, dalvik_system_DexFile, false, "mCookie", "Ljava/lang/Object;"); 354 dalvik_system_DexFile_fileName = CacheField(env, dalvik_system_DexFile, false, "mFileName", "Ljava/lang/String;"); 355 dalvik_system_DexPathList_dexElements = CacheField(env, dalvik_system_DexPathList, false, "dexElements", "[Ldalvik/system/DexPathList$Element;"); 356 dalvik_system_DexPathList__Element_dexFile = CacheField(env, dalvik_system_DexPathList__Element, false, "dexFile", "Ldalvik/system/DexFile;"); 357 java_lang_Thread_daemon = CacheField(env, java_lang_Thread, false, "daemon", "Z"); 358 java_lang_Thread_group = CacheField(env, java_lang_Thread, false, "group", "Ljava/lang/ThreadGroup;"); 359 java_lang_Thread_lock = CacheField(env, java_lang_Thread, false, "lock", "Ljava/lang/Object;"); 360 java_lang_Thread_name = CacheField(env, java_lang_Thread, false, "name", "Ljava/lang/String;"); 361 java_lang_Thread_priority = CacheField(env, java_lang_Thread, false, "priority", "I"); 362 java_lang_Thread_nativePeer = CacheField(env, java_lang_Thread, false, "nativePeer", "J"); 363 java_lang_ThreadGroup_groups = CacheField(env, java_lang_ThreadGroup, false, "groups", "[Ljava/lang/ThreadGroup;"); 364 java_lang_ThreadGroup_ngroups = CacheField(env, java_lang_ThreadGroup, false, "ngroups", "I"); 365 java_lang_ThreadGroup_mainThreadGroup = CacheField(env, java_lang_ThreadGroup, true, "mainThreadGroup", "Ljava/lang/ThreadGroup;"); 366 java_lang_ThreadGroup_name = CacheField(env, java_lang_ThreadGroup, false, "name", "Ljava/lang/String;"); 367 java_lang_ThreadGroup_parent = CacheField(env, java_lang_ThreadGroup, false, "parent", "Ljava/lang/ThreadGroup;"); 368 java_lang_ThreadGroup_systemThreadGroup = CacheField(env, java_lang_ThreadGroup, true, "systemThreadGroup", "Ljava/lang/ThreadGroup;"); 369 java_lang_Throwable_cause = CacheField(env, java_lang_Throwable, false, "cause", "Ljava/lang/Throwable;"); 370 java_lang_Throwable_detailMessage = CacheField(env, java_lang_Throwable, false, "detailMessage", "Ljava/lang/String;"); 371 java_lang_Throwable_stackTrace = CacheField(env, java_lang_Throwable, false, "stackTrace", "[Ljava/lang/StackTraceElement;"); 372 java_lang_Throwable_stackState = CacheField(env, java_lang_Throwable, false, "backtrace", "Ljava/lang/Object;"); 373 java_lang_Throwable_suppressedExceptions = CacheField(env, java_lang_Throwable, false, "suppressedExceptions", "Ljava/util/List;"); 374 java_lang_reflect_Executable_artMethod = CacheField(env, java_lang_reflect_Executable, false, "artMethod", "J"); 375 java_nio_DirectByteBuffer_capacity = CacheField(env, java_nio_DirectByteBuffer, false, "capacity", "I"); 376 java_nio_DirectByteBuffer_effectiveDirectAddress = CacheField(env, java_nio_DirectByteBuffer, false, "address", "J"); 377 java_util_ArrayList_array = CacheField(env, java_util_ArrayList, false, "elementData", "[Ljava/lang/Object;"); 378 java_util_ArrayList_size = CacheField(env, java_util_ArrayList, false, "size", "I"); 379 java_util_Collections_EMPTY_LIST = CacheField(env, java_util_Collections, true, "EMPTY_LIST", "Ljava/util/List;"); 380 libcore_util_EmptyArray_STACK_TRACE_ELEMENT = CacheField(env, libcore_util_EmptyArray, true, "STACK_TRACE_ELEMENT", "[Ljava/lang/StackTraceElement;"); 381 org_apache_harmony_dalvik_ddmc_Chunk_data = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "data", "[B"); 382 org_apache_harmony_dalvik_ddmc_Chunk_length = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "length", "I"); 383 org_apache_harmony_dalvik_ddmc_Chunk_offset = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "offset", "I"); 384 org_apache_harmony_dalvik_ddmc_Chunk_type = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "type", "I"); 385 386 java_lang_Boolean_valueOf = CachePrimitiveBoxingMethod(env, 'Z', "java/lang/Boolean"); 387 java_lang_Byte_valueOf = CachePrimitiveBoxingMethod(env, 'B', "java/lang/Byte"); 388 java_lang_Character_valueOf = CachePrimitiveBoxingMethod(env, 'C', "java/lang/Character"); 389 java_lang_Double_valueOf = CachePrimitiveBoxingMethod(env, 'D', "java/lang/Double"); 390 java_lang_Float_valueOf = CachePrimitiveBoxingMethod(env, 'F', "java/lang/Float"); 391 java_lang_Integer_valueOf = CachePrimitiveBoxingMethod(env, 'I', "java/lang/Integer"); 392 java_lang_Long_valueOf = CachePrimitiveBoxingMethod(env, 'J', "java/lang/Long"); 393 java_lang_Short_valueOf = CachePrimitiveBoxingMethod(env, 'S', "java/lang/Short"); 394 395 InitStringInit(env); 396 Thread::Current()->InitStringEntryPoints(); 397 } 398 399 void WellKnownClasses::LateInit(JNIEnv* env) { 400 ScopedLocalRef<jclass> java_lang_Runtime(env, env->FindClass("java/lang/Runtime")); 401 // CacheField and CacheMethod will initialize their classes. Classes below 402 // have clinit sections that call JNI methods. Late init is required 403 // to make sure these JNI methods are available. 404 java_lang_Runtime_nativeLoad = 405 CacheMethod(env, java_lang_Runtime.get(), true, "nativeLoad", 406 "(Ljava/lang/String;Ljava/lang/ClassLoader;Ljava/lang/String;)" 407 "Ljava/lang/String;"); 408 java_lang_reflect_Proxy_invoke = 409 CacheMethod(env, java_lang_reflect_Proxy, true, "invoke", 410 "(Ljava/lang/reflect/Proxy;Ljava/lang/reflect/Method;" 411 "[Ljava/lang/Object;)Ljava/lang/Object;"); 412 java_lang_reflect_Proxy_h = 413 CacheField(env, java_lang_reflect_Proxy, false, "h", 414 "Ljava/lang/reflect/InvocationHandler;"); 415 } 416 417 ObjPtr<mirror::Class> WellKnownClasses::ToClass(jclass global_jclass) { 418 auto ret = ObjPtr<mirror::Class>::DownCast(Thread::Current()->DecodeJObject(global_jclass)); 419 DCHECK(!ret.IsNull()); 420 return ret; 421 } 422 423 } // namespace art 424
