src/well_known_classes.cc - platform/art - Git at Google

 /*
  * Copyright (C) 2012 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 #include "well_known_classes.h"

 #include <stdlib.h>

 #include "logging.h"
 #include "ScopedLocalRef.h"
 #include "thread.h"

 namespace art {

 jclass WellKnownClasses::com_android_dex_Dex;
 jclass WellKnownClasses::java_lang_ClassLoader;
 jclass WellKnownClasses::java_lang_ClassNotFoundException;
 jclass WellKnownClasses::java_lang_Daemons;
 jclass WellKnownClasses::java_lang_Error;
 jclass WellKnownClasses::java_lang_reflect_InvocationHandler;
 jclass WellKnownClasses::java_lang_reflect_Method;
 jclass WellKnownClasses::java_lang_reflect_Proxy;
 jclass WellKnownClasses::java_lang_RuntimeException;
 jclass WellKnownClasses::java_lang_Thread;
 jclass WellKnownClasses::java_lang_Thread$UncaughtExceptionHandler;
 jclass WellKnownClasses::java_lang_ThreadGroup;
 jclass WellKnownClasses::java_lang_ThreadLock;
 jclass WellKnownClasses::java_lang_Throwable;
 jclass WellKnownClasses::java_nio_ReadWriteDirectByteBuffer;
 jclass WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk;
 jclass WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer;

 jmethodID WellKnownClasses::com_android_dex_Dex_create;
 jmethodID WellKnownClasses::java_lang_ClassNotFoundException_init;
 jmethodID WellKnownClasses::java_lang_ClassLoader_loadClass;
 jmethodID WellKnownClasses::java_lang_Daemons_requestGC;
 jmethodID WellKnownClasses::java_lang_Daemons_requestHeapTrim;
 jmethodID WellKnownClasses::java_lang_Daemons_start;
 jmethodID WellKnownClasses::java_lang_ref_FinalizerReference_add;
 jmethodID WellKnownClasses::java_lang_ref_ReferenceQueue_add;
 jmethodID WellKnownClasses::java_lang_reflect_InvocationHandler_invoke;
 jmethodID WellKnownClasses::java_lang_Thread_init;
 jmethodID WellKnownClasses::java_lang_Thread_run;
 jmethodID WellKnownClasses::java_lang_Thread$UncaughtExceptionHandler_uncaughtException;
 jmethodID WellKnownClasses::java_lang_ThreadGroup_removeThread;
 jmethodID WellKnownClasses::java_nio_ReadWriteDirectByteBuffer_init;
 jmethodID WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_broadcast;
 jmethodID WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_dispatch;

 jfieldID WellKnownClasses::java_lang_Thread_daemon;
 jfieldID WellKnownClasses::java_lang_Thread_group;
 jfieldID WellKnownClasses::java_lang_Thread_lock;
 jfieldID WellKnownClasses::java_lang_Thread_name;
 jfieldID WellKnownClasses::java_lang_Thread_priority;
 jfieldID WellKnownClasses::java_lang_Thread_uncaughtHandler;
 jfieldID WellKnownClasses::java_lang_Thread_vmData;
 jfieldID WellKnownClasses::java_lang_ThreadGroup_mainThreadGroup;
 jfieldID WellKnownClasses::java_lang_ThreadGroup_name;
 jfieldID WellKnownClasses::java_lang_ThreadGroup_systemThreadGroup;
 jfieldID WellKnownClasses::java_lang_ThreadLock_thread;
 jfieldID WellKnownClasses::java_lang_reflect_Proxy_h;
 jfieldID WellKnownClasses::java_nio_ReadWriteDirectByteBuffer_capacity;
 jfieldID WellKnownClasses::java_nio_ReadWriteDirectByteBuffer_effectiveDirectAddress;
 jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_data;
 jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_length;
 jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_offset;
 jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_type;

 static jclass CacheClass(JNIEnv* env, const char* jni_class_name) {
   ScopedLocalRef<jclass> c(env, env->FindClass(jni_class_name));
   if (c.get() == NULL) {
     LOG(FATAL) << "Couldn't find class: " << jni_class_name;
   }
   return reinterpret_cast<jclass>(env->NewGlobalRef(c.get()));
 }

 static jfieldID CacheField(JNIEnv* env, jclass c, bool is_static, const char* name, const char* signature) {
   jfieldID fid = is_static ? env->GetStaticFieldID(c, name, signature) : env->GetFieldID(c, name, signature);
   if (fid == NULL) {
     LOG(FATAL) << "Couldn't find field \"" << name << "\" with signature \"" << signature << "\"";
   }
   return fid;
 }

 static jmethodID CacheMethod(JNIEnv* env, jclass c, bool is_static, const char* name, const char* signature) {
   jmethodID mid = is_static ? env->GetStaticMethodID(c, name, signature) : env->GetMethodID(c, name, signature);
   if (mid == NULL) {
     LOG(FATAL) << "Couldn't find method \"" << name << "\" with signature \"" << signature << "\"";
   }
   return mid;
 }

 void WellKnownClasses::Init(JNIEnv* env) {
   com_android_dex_Dex = CacheClass(env, "com/android/dex/Dex");
   java_lang_ClassLoader = CacheClass(env, "java/lang/ClassLoader");
   java_lang_ClassNotFoundException = CacheClass(env, "java/lang/ClassNotFoundException");
   java_lang_Daemons = CacheClass(env, "java/lang/Daemons");
   java_lang_Error = CacheClass(env, "java/lang/Error");
   java_lang_reflect_InvocationHandler = CacheClass(env, "java/lang/reflect/InvocationHandler");
   java_lang_reflect_Method = CacheClass(env, "java/lang/reflect/Method");
   java_lang_reflect_Proxy = CacheClass(env, "java/lang/reflect/Proxy");
   java_lang_RuntimeException = CacheClass(env, "java/lang/RuntimeException");
   java_lang_Thread = CacheClass(env, "java/lang/Thread");
   java_lang_Thread$UncaughtExceptionHandler = CacheClass(env, "java/lang/Thread$UncaughtExceptionHandler");
   java_lang_ThreadGroup = CacheClass(env, "java/lang/ThreadGroup");
   java_lang_ThreadLock = CacheClass(env, "java/lang/ThreadLock");
   java_lang_Throwable = CacheClass(env, "java/lang/Throwable");
   java_nio_ReadWriteDirectByteBuffer = CacheClass(env, "java/nio/ReadWriteDirectByteBuffer");
   org_apache_harmony_dalvik_ddmc_Chunk = CacheClass(env, "org/apache/harmony/dalvik/ddmc/Chunk");
   org_apache_harmony_dalvik_ddmc_DdmServer = CacheClass(env, "org/apache/harmony/dalvik/ddmc/DdmServer");

   com_android_dex_Dex_create = CacheMethod(env, com_android_dex_Dex, true, "create", "(Ljava/nio/ByteBuffer;)Lcom/android/dex/Dex;");
   java_lang_ClassNotFoundException_init = CacheMethod(env, java_lang_ClassNotFoundException, false, "<init>", "(Ljava/lang/String;Ljava/lang/Throwable;)V");
   java_lang_ClassLoader_loadClass = CacheMethod(env, java_lang_ClassLoader, false, "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");

   java_lang_Daemons_requestGC = CacheMethod(env, java_lang_Daemons, true, "requestGC", "()V");
   java_lang_Daemons_requestHeapTrim = CacheMethod(env, java_lang_Daemons, true, "requestHeapTrim", "()V");
   java_lang_Daemons_start = CacheMethod(env, java_lang_Daemons, true, "start", "()V");

   ScopedLocalRef<jclass> java_lang_ref_FinalizerReference(env, env->FindClass("java/lang/ref/FinalizerReference"));
   java_lang_ref_FinalizerReference_add = CacheMethod(env, java_lang_ref_FinalizerReference.get(), true, "add", "(Ljava/lang/Object;)V");
   ScopedLocalRef<jclass> java_lang_ref_ReferenceQueue(env, env->FindClass("java/lang/ref/ReferenceQueue"));
   java_lang_ref_ReferenceQueue_add = CacheMethod(env, java_lang_ref_ReferenceQueue.get(), true, "add", "(Ljava/lang/ref/Reference;)V");

   java_lang_reflect_InvocationHandler_invoke = CacheMethod(env, java_lang_reflect_InvocationHandler, false, "invoke", "(Ljava/lang/Object;Ljava/lang/reflect/Method;[Ljava/lang/Object;)Ljava/lang/Object;");
   java_lang_Thread_init = CacheMethod(env, java_lang_Thread, false, "<init>", "(Ljava/lang/ThreadGroup;Ljava/lang/String;IZ)V");
   java_lang_Thread_run = CacheMethod(env, java_lang_Thread, false, "run", "()V");
   java_lang_Thread$UncaughtExceptionHandler_uncaughtException = CacheMethod(env, java_lang_Thread$UncaughtExceptionHandler, false, "uncaughtException", "(Ljava/lang/Thread;Ljava/lang/Throwable;)V");
   java_lang_ThreadGroup_removeThread = CacheMethod(env, java_lang_ThreadGroup, false, "removeThread", "(Ljava/lang/Thread;)V");
   java_nio_ReadWriteDirectByteBuffer_init = CacheMethod(env, java_nio_ReadWriteDirectByteBuffer, false, "<init>", "(II)V");
   org_apache_harmony_dalvik_ddmc_DdmServer_broadcast = CacheMethod(env, org_apache_harmony_dalvik_ddmc_DdmServer, true, "broadcast", "(I)V");
   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;");

   java_lang_Thread_daemon = CacheField(env, java_lang_Thread, false, "daemon", "Z");
   java_lang_Thread_group = CacheField(env, java_lang_Thread, false, "group", "Ljava/lang/ThreadGroup;");
   java_lang_Thread_lock = CacheField(env, java_lang_Thread, false, "lock", "Ljava/lang/ThreadLock;");
   java_lang_Thread_name = CacheField(env, java_lang_Thread, false, "name", "Ljava/lang/String;");
   java_lang_Thread_priority = CacheField(env, java_lang_Thread, false, "priority", "I");
   java_lang_Thread_uncaughtHandler = CacheField(env, java_lang_Thread, false, "uncaughtHandler", "Ljava/lang/Thread$UncaughtExceptionHandler;");
   java_lang_Thread_vmData = CacheField(env, java_lang_Thread, false, "vmData", "I");
   java_lang_ThreadGroup_mainThreadGroup = CacheField(env, java_lang_ThreadGroup, true, "mainThreadGroup", "Ljava/lang/ThreadGroup;");
   java_lang_ThreadGroup_name = CacheField(env, java_lang_ThreadGroup, false, "name", "Ljava/lang/String;");
   java_lang_ThreadGroup_systemThreadGroup = CacheField(env, java_lang_ThreadGroup, true, "systemThreadGroup", "Ljava/lang/ThreadGroup;");
   java_lang_ThreadLock_thread = CacheField(env, java_lang_ThreadLock, false, "thread", "Ljava/lang/Thread;");
   java_lang_reflect_Proxy_h = CacheField(env, java_lang_reflect_Proxy, false, "h", "Ljava/lang/reflect/InvocationHandler;");
   java_nio_ReadWriteDirectByteBuffer_capacity = CacheField(env, java_nio_ReadWriteDirectByteBuffer, false, "capacity", "I");
   java_nio_ReadWriteDirectByteBuffer_effectiveDirectAddress = CacheField(env, java_nio_ReadWriteDirectByteBuffer, false, "effectiveDirectAddress", "I");
   org_apache_harmony_dalvik_ddmc_Chunk_data = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "data", "[B");
   org_apache_harmony_dalvik_ddmc_Chunk_length = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "length", "I");
   org_apache_harmony_dalvik_ddmc_Chunk_offset = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "offset", "I");
   org_apache_harmony_dalvik_ddmc_Chunk_type = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "type", "I");
 }

 Class* WellKnownClasses::ToClass(jclass global_jclass) {
   return reinterpret_cast<Class*>(Thread::Current()->DecodeJObject(global_jclass));
 }

 }  // namespace art
	/*
	* Copyright (C) 2012 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#include "well_known_classes.h"

	#include <stdlib.h>

	#include "logging.h"
	#include "ScopedLocalRef.h"
	#include "thread.h"

	namespace art {

	jclass WellKnownClasses::com_android_dex_Dex;
	jclass WellKnownClasses::java_lang_ClassLoader;
	jclass WellKnownClasses::java_lang_ClassNotFoundException;
	jclass WellKnownClasses::java_lang_Daemons;
	jclass WellKnownClasses::java_lang_Error;
	jclass WellKnownClasses::java_lang_reflect_InvocationHandler;
	jclass WellKnownClasses::java_lang_reflect_Method;
	jclass WellKnownClasses::java_lang_reflect_Proxy;
	jclass WellKnownClasses::java_lang_RuntimeException;
	jclass WellKnownClasses::java_lang_Thread;
	jclass WellKnownClasses::java_lang_Thread$UncaughtExceptionHandler;
	jclass WellKnownClasses::java_lang_ThreadGroup;
	jclass WellKnownClasses::java_lang_ThreadLock;
	jclass WellKnownClasses::java_lang_Throwable;
	jclass WellKnownClasses::java_nio_ReadWriteDirectByteBuffer;
	jclass WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk;
	jclass WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer;

	jmethodID WellKnownClasses::com_android_dex_Dex_create;
	jmethodID WellKnownClasses::java_lang_ClassNotFoundException_init;
	jmethodID WellKnownClasses::java_lang_ClassLoader_loadClass;
	jmethodID WellKnownClasses::java_lang_Daemons_requestGC;
	jmethodID WellKnownClasses::java_lang_Daemons_requestHeapTrim;
	jmethodID WellKnownClasses::java_lang_Daemons_start;
	jmethodID WellKnownClasses::java_lang_ref_FinalizerReference_add;
	jmethodID WellKnownClasses::java_lang_ref_ReferenceQueue_add;
	jmethodID WellKnownClasses::java_lang_reflect_InvocationHandler_invoke;
	jmethodID WellKnownClasses::java_lang_Thread_init;
	jmethodID WellKnownClasses::java_lang_Thread_run;
	jmethodID WellKnownClasses::java_lang_Thread$UncaughtExceptionHandler_uncaughtException;
	jmethodID WellKnownClasses::java_lang_ThreadGroup_removeThread;
	jmethodID WellKnownClasses::java_nio_ReadWriteDirectByteBuffer_init;
	jmethodID WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_broadcast;
	jmethodID WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_dispatch;

	jfieldID WellKnownClasses::java_lang_Thread_daemon;
	jfieldID WellKnownClasses::java_lang_Thread_group;
	jfieldID WellKnownClasses::java_lang_Thread_lock;
	jfieldID WellKnownClasses::java_lang_Thread_name;
	jfieldID WellKnownClasses::java_lang_Thread_priority;
	jfieldID WellKnownClasses::java_lang_Thread_uncaughtHandler;
	jfieldID WellKnownClasses::java_lang_Thread_vmData;
	jfieldID WellKnownClasses::java_lang_ThreadGroup_mainThreadGroup;
	jfieldID WellKnownClasses::java_lang_ThreadGroup_name;
	jfieldID WellKnownClasses::java_lang_ThreadGroup_systemThreadGroup;
	jfieldID WellKnownClasses::java_lang_ThreadLock_thread;
	jfieldID WellKnownClasses::java_lang_reflect_Proxy_h;
	jfieldID WellKnownClasses::java_nio_ReadWriteDirectByteBuffer_capacity;
	jfieldID WellKnownClasses::java_nio_ReadWriteDirectByteBuffer_effectiveDirectAddress;
	jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_data;
	jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_length;
	jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_offset;
	jfieldID WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_type;

	static jclass CacheClass(JNIEnv* env, const char* jni_class_name) {
	ScopedLocalRef<jclass> c(env, env->FindClass(jni_class_name));
	if (c.get() == NULL) {
	LOG(FATAL) << "Couldn't find class: " << jni_class_name;
	}
	return reinterpret_cast<jclass>(env->NewGlobalRef(c.get()));
	}

	static jfieldID CacheField(JNIEnv* env, jclass c, bool is_static, const char* name, const char* signature) {
	jfieldID fid = is_static ? env->GetStaticFieldID(c, name, signature) : env->GetFieldID(c, name, signature);
	if (fid == NULL) {
	LOG(FATAL) << "Couldn't find field \"" << name << "\" with signature \"" << signature << "\"";
	}
	return fid;
	}

	static jmethodID CacheMethod(JNIEnv* env, jclass c, bool is_static, const char* name, const char* signature) {
	jmethodID mid = is_static ? env->GetStaticMethodID(c, name, signature) : env->GetMethodID(c, name, signature);
	if (mid == NULL) {
	LOG(FATAL) << "Couldn't find method \"" << name << "\" with signature \"" << signature << "\"";
	}
	return mid;
	}

	void WellKnownClasses::Init(JNIEnv* env) {
	com_android_dex_Dex = CacheClass(env, "com/android/dex/Dex");
	java_lang_ClassLoader = CacheClass(env, "java/lang/ClassLoader");
	java_lang_ClassNotFoundException = CacheClass(env, "java/lang/ClassNotFoundException");
	java_lang_Daemons = CacheClass(env, "java/lang/Daemons");
	java_lang_Error = CacheClass(env, "java/lang/Error");
	java_lang_reflect_InvocationHandler = CacheClass(env, "java/lang/reflect/InvocationHandler");
	java_lang_reflect_Method = CacheClass(env, "java/lang/reflect/Method");
	java_lang_reflect_Proxy = CacheClass(env, "java/lang/reflect/Proxy");
	java_lang_RuntimeException = CacheClass(env, "java/lang/RuntimeException");
	java_lang_Thread = CacheClass(env, "java/lang/Thread");
	java_lang_Thread$UncaughtExceptionHandler = CacheClass(env, "java/lang/Thread$UncaughtExceptionHandler");
	java_lang_ThreadGroup = CacheClass(env, "java/lang/ThreadGroup");
	java_lang_ThreadLock = CacheClass(env, "java/lang/ThreadLock");
	java_lang_Throwable = CacheClass(env, "java/lang/Throwable");
	java_nio_ReadWriteDirectByteBuffer = CacheClass(env, "java/nio/ReadWriteDirectByteBuffer");
	org_apache_harmony_dalvik_ddmc_Chunk = CacheClass(env, "org/apache/harmony/dalvik/ddmc/Chunk");
	org_apache_harmony_dalvik_ddmc_DdmServer = CacheClass(env, "org/apache/harmony/dalvik/ddmc/DdmServer");

	com_android_dex_Dex_create = CacheMethod(env, com_android_dex_Dex, true, "create", "(Ljava/nio/ByteBuffer;)Lcom/android/dex/Dex;");
	java_lang_ClassNotFoundException_init = CacheMethod(env, java_lang_ClassNotFoundException, false, "<init>", "(Ljava/lang/String;Ljava/lang/Throwable;)V");
	java_lang_ClassLoader_loadClass = CacheMethod(env, java_lang_ClassLoader, false, "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");

	java_lang_Daemons_requestGC = CacheMethod(env, java_lang_Daemons, true, "requestGC", "()V");
	java_lang_Daemons_requestHeapTrim = CacheMethod(env, java_lang_Daemons, true, "requestHeapTrim", "()V");
	java_lang_Daemons_start = CacheMethod(env, java_lang_Daemons, true, "start", "()V");

	ScopedLocalRef<jclass> java_lang_ref_FinalizerReference(env, env->FindClass("java/lang/ref/FinalizerReference"));
	java_lang_ref_FinalizerReference_add = CacheMethod(env, java_lang_ref_FinalizerReference.get(), true, "add", "(Ljava/lang/Object;)V");
	ScopedLocalRef<jclass> java_lang_ref_ReferenceQueue(env, env->FindClass("java/lang/ref/ReferenceQueue"));
	java_lang_ref_ReferenceQueue_add = CacheMethod(env, java_lang_ref_ReferenceQueue.get(), true, "add", "(Ljava/lang/ref/Reference;)V");

	java_lang_reflect_InvocationHandler_invoke = CacheMethod(env, java_lang_reflect_InvocationHandler, false, "invoke", "(Ljava/lang/Object;Ljava/lang/reflect/Method;[Ljava/lang/Object;)Ljava/lang/Object;");
	java_lang_Thread_init = CacheMethod(env, java_lang_Thread, false, "<init>", "(Ljava/lang/ThreadGroup;Ljava/lang/String;IZ)V");
	java_lang_Thread_run = CacheMethod(env, java_lang_Thread, false, "run", "()V");
	java_lang_Thread$UncaughtExceptionHandler_uncaughtException = CacheMethod(env, java_lang_Thread$UncaughtExceptionHandler, false, "uncaughtException", "(Ljava/lang/Thread;Ljava/lang/Throwable;)V");
	java_lang_ThreadGroup_removeThread = CacheMethod(env, java_lang_ThreadGroup, false, "removeThread", "(Ljava/lang/Thread;)V");
	java_nio_ReadWriteDirectByteBuffer_init = CacheMethod(env, java_nio_ReadWriteDirectByteBuffer, false, "<init>", "(II)V");
	org_apache_harmony_dalvik_ddmc_DdmServer_broadcast = CacheMethod(env, org_apache_harmony_dalvik_ddmc_DdmServer, true, "broadcast", "(I)V");
	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;");

	java_lang_Thread_daemon = CacheField(env, java_lang_Thread, false, "daemon", "Z");
	java_lang_Thread_group = CacheField(env, java_lang_Thread, false, "group", "Ljava/lang/ThreadGroup;");
	java_lang_Thread_lock = CacheField(env, java_lang_Thread, false, "lock", "Ljava/lang/ThreadLock;");
	java_lang_Thread_name = CacheField(env, java_lang_Thread, false, "name", "Ljava/lang/String;");
	java_lang_Thread_priority = CacheField(env, java_lang_Thread, false, "priority", "I");
	java_lang_Thread_uncaughtHandler = CacheField(env, java_lang_Thread, false, "uncaughtHandler", "Ljava/lang/Thread$UncaughtExceptionHandler;");
	java_lang_Thread_vmData = CacheField(env, java_lang_Thread, false, "vmData", "I");
	java_lang_ThreadGroup_mainThreadGroup = CacheField(env, java_lang_ThreadGroup, true, "mainThreadGroup", "Ljava/lang/ThreadGroup;");
	java_lang_ThreadGroup_name = CacheField(env, java_lang_ThreadGroup, false, "name", "Ljava/lang/String;");
	java_lang_ThreadGroup_systemThreadGroup = CacheField(env, java_lang_ThreadGroup, true, "systemThreadGroup", "Ljava/lang/ThreadGroup;");
	java_lang_ThreadLock_thread = CacheField(env, java_lang_ThreadLock, false, "thread", "Ljava/lang/Thread;");
	java_lang_reflect_Proxy_h = CacheField(env, java_lang_reflect_Proxy, false, "h", "Ljava/lang/reflect/InvocationHandler;");
	java_nio_ReadWriteDirectByteBuffer_capacity = CacheField(env, java_nio_ReadWriteDirectByteBuffer, false, "capacity", "I");
	java_nio_ReadWriteDirectByteBuffer_effectiveDirectAddress = CacheField(env, java_nio_ReadWriteDirectByteBuffer, false, "effectiveDirectAddress", "I");
	org_apache_harmony_dalvik_ddmc_Chunk_data = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "data", "[B");
	org_apache_harmony_dalvik_ddmc_Chunk_length = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "length", "I");
	org_apache_harmony_dalvik_ddmc_Chunk_offset = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "offset", "I");
	org_apache_harmony_dalvik_ddmc_Chunk_type = CacheField(env, org_apache_harmony_dalvik_ddmc_Chunk, false, "type", "I");
	}

	Class* WellKnownClasses::ToClass(jclass global_jclass) {
	return reinterpret_cast<Class*>(Thread::Current()->DecodeJObject(global_jclass));
	}

	} // namespace art