| /* |
| * 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 "base/logging.h" |
| #include "mirror/class.h" |
| #include "ScopedLocalRef.h" |
| #include "thread.h" |
| |
| namespace art { |
| |
| jclass WellKnownClasses::com_android_dex_Dex; |
| jclass WellKnownClasses::dalvik_system_PathClassLoader; |
| jclass WellKnownClasses::java_lang_ClassLoader; |
| jclass WellKnownClasses::java_lang_ClassNotFoundException; |
| jclass WellKnownClasses::java_lang_Daemons; |
| jclass WellKnownClasses::java_lang_Error; |
| jclass WellKnownClasses::java_lang_Object; |
| jclass WellKnownClasses::java_lang_reflect_InvocationHandler; |
| jclass WellKnownClasses::java_lang_reflect_AbstractMethod; |
| jclass WellKnownClasses::java_lang_reflect_Proxy; |
| jclass WellKnownClasses::java_lang_RuntimeException; |
| jclass WellKnownClasses::java_lang_StackOverflowError; |
| jclass WellKnownClasses::java_lang_System; |
| jclass WellKnownClasses::java_lang_Thread; |
| jclass WellKnownClasses::java_lang_Thread$UncaughtExceptionHandler; |
| jclass WellKnownClasses::java_lang_ThreadGroup; |
| jclass WellKnownClasses::java_lang_Throwable; |
| jclass WellKnownClasses::java_nio_DirectByteBuffer; |
| jclass WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk; |
| jclass WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer; |
| |
| jmethodID WellKnownClasses::com_android_dex_Dex_create; |
| jmethodID WellKnownClasses::java_lang_Boolean_valueOf; |
| jmethodID WellKnownClasses::java_lang_Byte_valueOf; |
| jmethodID WellKnownClasses::java_lang_Character_valueOf; |
| jmethodID WellKnownClasses::java_lang_ClassLoader_loadClass; |
| jmethodID WellKnownClasses::java_lang_ClassNotFoundException_init; |
| jmethodID WellKnownClasses::java_lang_Daemons_requestGC; |
| jmethodID WellKnownClasses::java_lang_Daemons_requestHeapTrim; |
| jmethodID WellKnownClasses::java_lang_Daemons_start; |
| jmethodID WellKnownClasses::java_lang_Double_valueOf; |
| jmethodID WellKnownClasses::java_lang_Float_valueOf; |
| jmethodID WellKnownClasses::java_lang_Integer_valueOf; |
| jmethodID WellKnownClasses::java_lang_Long_valueOf; |
| jmethodID WellKnownClasses::java_lang_ref_FinalizerReference_add; |
| jmethodID WellKnownClasses::java_lang_ref_ReferenceQueue_add; |
| jmethodID WellKnownClasses::java_lang_reflect_InvocationHandler_invoke; |
| jmethodID WellKnownClasses::java_lang_Runtime_nativeLoad; |
| jmethodID WellKnownClasses::java_lang_Short_valueOf; |
| jmethodID WellKnownClasses::java_lang_System_runFinalization = NULL; |
| jmethodID WellKnownClasses::java_lang_Thread_init; |
| jmethodID WellKnownClasses::java_lang_Thread_run; |
| jmethodID WellKnownClasses::java_lang_Thread$UncaughtExceptionHandler_uncaughtException; |
| jmethodID WellKnownClasses::java_lang_ThreadGroup_removeThread; |
| jmethodID WellKnownClasses::java_nio_DirectByteBuffer_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_nativePeer; |
| jfieldID WellKnownClasses::java_lang_ThreadGroup_mainThreadGroup; |
| jfieldID WellKnownClasses::java_lang_ThreadGroup_name; |
| jfieldID WellKnownClasses::java_lang_ThreadGroup_systemThreadGroup; |
| jfieldID WellKnownClasses::java_lang_reflect_Proxy_h; |
| jfieldID WellKnownClasses::java_nio_DirectByteBuffer_capacity; |
| jfieldID WellKnownClasses::java_nio_DirectByteBuffer_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; |
| } |
| |
| 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; |
| } |
| |
| static jmethodID CachePrimitiveBoxingMethod(JNIEnv* env, char prim_name, const char* boxed_name) { |
| ScopedLocalRef<jclass> boxed_class(env, env->FindClass(boxed_name)); |
| return CacheMethod(env, boxed_class.get(), true, "valueOf", |
| StringPrintf("(%c)L%s;", prim_name, boxed_name).c_str()); |
| } |
| |
| void WellKnownClasses::InitClasses(JNIEnv* env) { |
| com_android_dex_Dex = CacheClass(env, "com/android/dex/Dex"); |
| dalvik_system_PathClassLoader = CacheClass(env, "dalvik/system/PathClassLoader"); |
| 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_Object = CacheClass(env, "java/lang/Object"); |
| java_lang_Error = CacheClass(env, "java/lang/Error"); |
| java_lang_reflect_InvocationHandler = CacheClass(env, "java/lang/reflect/InvocationHandler"); |
| java_lang_reflect_AbstractMethod = CacheClass(env, "java/lang/reflect/AbstractMethod"); |
| java_lang_reflect_Proxy = CacheClass(env, "java/lang/reflect/Proxy"); |
| java_lang_RuntimeException = CacheClass(env, "java/lang/RuntimeException"); |
| java_lang_StackOverflowError = CacheClass(env, "java/lang/StackOverflowError"); |
| java_lang_System = CacheClass(env, "java/lang/System"); |
| 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_Throwable = CacheClass(env, "java/lang/Throwable"); |
| java_nio_DirectByteBuffer = CacheClass(env, "java/nio/DirectByteBuffer"); |
| 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"); |
| } |
| |
| void WellKnownClasses::Init(JNIEnv* env) { |
| InitClasses(env); |
| |
| 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_DirectByteBuffer_init = CacheMethod(env, java_nio_DirectByteBuffer, false, "<init>", "(JI)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/Object;"); |
| 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_nativePeer = CacheField(env, java_lang_Thread, false, "nativePeer", "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_reflect_Proxy_h = CacheField(env, java_lang_reflect_Proxy, false, "h", "Ljava/lang/reflect/InvocationHandler;"); |
| java_nio_DirectByteBuffer_capacity = CacheField(env, java_nio_DirectByteBuffer, false, "capacity", "I"); |
| java_nio_DirectByteBuffer_effectiveDirectAddress = CacheField(env, java_nio_DirectByteBuffer, false, "effectiveDirectAddress", "J"); |
| 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"); |
| |
| java_lang_Boolean_valueOf = CachePrimitiveBoxingMethod(env, 'Z', "java/lang/Boolean"); |
| java_lang_Byte_valueOf = CachePrimitiveBoxingMethod(env, 'B', "java/lang/Byte"); |
| java_lang_Character_valueOf = CachePrimitiveBoxingMethod(env, 'C', "java/lang/Character"); |
| java_lang_Double_valueOf = CachePrimitiveBoxingMethod(env, 'D', "java/lang/Double"); |
| java_lang_Float_valueOf = CachePrimitiveBoxingMethod(env, 'F', "java/lang/Float"); |
| java_lang_Integer_valueOf = CachePrimitiveBoxingMethod(env, 'I', "java/lang/Integer"); |
| java_lang_Long_valueOf = CachePrimitiveBoxingMethod(env, 'J', "java/lang/Long"); |
| java_lang_Short_valueOf = CachePrimitiveBoxingMethod(env, 'S', "java/lang/Short"); |
| } |
| |
| void WellKnownClasses::LateInit(JNIEnv* env) { |
| ScopedLocalRef<jclass> java_lang_Runtime(env, env->FindClass("java/lang/Runtime")); |
| java_lang_Runtime_nativeLoad = CacheMethod(env, java_lang_Runtime.get(), true, "nativeLoad", "(Ljava/lang/String;Ljava/lang/ClassLoader;Ljava/lang/String;)Ljava/lang/String;"); |
| } |
| |
| mirror::Class* WellKnownClasses::ToClass(jclass global_jclass) { |
| return reinterpret_cast<mirror::Class*>(Thread::Current()->DecodeJObject(global_jclass)); |
| } |
| |
| } // namespace art |