1 /* 2 * Copyright (C) 2013 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 <iostream> 18 #include <pthread.h> 19 #include <stdio.h> 20 #include <vector> 21 22 #include "android-base/macros.h" 23 24 #include "jni.h" 25 #include "jvmti.h" 26 #include "scoped_local_ref.h" 27 #include "scoped_utf_chars.h" 28 29 // Test infrastructure 30 #include "jni_helper.h" 31 #include "test_env.h" 32 33 namespace art { 34 namespace Test907GetLoadedClasses { 35 36 static jstring GetClassName(JNIEnv* jni_env, jclass cls) { 37 ScopedLocalRef<jclass> class_class(jni_env, jni_env->GetObjectClass(cls)); 38 jmethodID mid = jni_env->GetMethodID(class_class.get(), "getName", "()Ljava/lang/String;"); 39 return reinterpret_cast<jstring>(jni_env->CallObjectMethod(cls, mid)); 40 } 41 42 extern "C" JNIEXPORT jobjectArray JNICALL Java_art_Test907_getLoadedClasses( 43 JNIEnv* env, jclass klass ATTRIBUTE_UNUSED) { 44 jint count = -1; 45 jclass* classes = nullptr; 46 jvmtiError result = jvmti_env->GetLoadedClasses(&count, &classes); 47 if (result != JVMTI_ERROR_NONE) { 48 char* err; 49 jvmti_env->GetErrorName(result, &err); 50 printf("Failure running GetLoadedClasses: %s\n", err); 51 jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(err)); 52 return nullptr; 53 } 54 55 auto callback = [&](jint i) { 56 jstring class_name = GetClassName(env, classes[i]); 57 env->DeleteLocalRef(classes[i]); 58 return class_name; 59 }; 60 jobjectArray ret = CreateObjectArray(env, count, "java/lang/String", callback); 61 62 // Need to Deallocate. 63 jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(classes)); 64 65 return ret; 66 } 67 68 } // namespace Test907GetLoadedClasses 69 } // namespace art 70
