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/logging.h" 23 #include "jni.h" 24 #include "jvmti.h" 25 #include "scoped_local_ref.h" 26 #include "scoped_utf_chars.h" 27 28 // Test infrastructure 29 #include "jvmti_helper.h" 30 #include "test_env.h" 31 32 namespace art { 33 namespace Test905ObjectFree { 34 35 static std::vector<jlong> collected_tags1; 36 static std::vector<jlong> collected_tags2; 37 38 jvmtiEnv* jvmti_env2; 39 40 static void JNICALL ObjectFree1(jvmtiEnv* ti_env, jlong tag) { 41 CHECK_EQ(ti_env, jvmti_env); 42 collected_tags1.push_back(tag); 43 } 44 45 static void JNICALL ObjectFree2(jvmtiEnv* ti_env, jlong tag) { 46 CHECK_EQ(ti_env, jvmti_env2); 47 collected_tags2.push_back(tag); 48 } 49 50 static void setupObjectFreeCallback(JNIEnv* env, jvmtiEnv* jenv, jvmtiEventObjectFree callback) { 51 jvmtiEventCallbacks callbacks; 52 memset(&callbacks, 0, sizeof(jvmtiEventCallbacks)); 53 callbacks.ObjectFree = callback; 54 jvmtiError ret = jenv->SetEventCallbacks(&callbacks, sizeof(callbacks)); 55 JvmtiErrorToException(env, jenv, ret); 56 } 57 58 extern "C" JNIEXPORT void JNICALL Java_art_Test905_setupObjectFreeCallback( 59 JNIEnv* env, jclass klass ATTRIBUTE_UNUSED) { 60 setupObjectFreeCallback(env, jvmti_env, ObjectFree1); 61 JavaVM* jvm = nullptr; 62 env->GetJavaVM(&jvm); 63 CHECK_EQ(jvm->GetEnv(reinterpret_cast<void**>(&jvmti_env2), JVMTI_VERSION_1_2), 0); 64 SetAllCapabilities(jvmti_env2); 65 setupObjectFreeCallback(env, jvmti_env2, ObjectFree2); 66 } 67 68 extern "C" JNIEXPORT void JNICALL Java_art_Test905_enableFreeTracking( 69 JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jboolean enable) { 70 jvmtiError ret = jvmti_env->SetEventNotificationMode( 71 enable ? JVMTI_ENABLE : JVMTI_DISABLE, 72 JVMTI_EVENT_OBJECT_FREE, 73 nullptr); 74 if (JvmtiErrorToException(env, jvmti_env, ret)) { 75 return; 76 } 77 ret = jvmti_env2->SetEventNotificationMode( 78 enable ? JVMTI_ENABLE : JVMTI_DISABLE, 79 JVMTI_EVENT_OBJECT_FREE, 80 nullptr); 81 JvmtiErrorToException(env, jvmti_env, ret); 82 } 83 84 extern "C" JNIEXPORT jlongArray JNICALL Java_art_Test905_getCollectedTags( 85 JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jint index) { 86 std::vector<jlong>& tags = (index == 0) ? collected_tags1 : collected_tags2; 87 jlongArray ret = env->NewLongArray(tags.size()); 88 if (ret == nullptr) { 89 return ret; 90 } 91 92 env->SetLongArrayRegion(ret, 0, tags.size(), tags.data()); 93 tags.clear(); 94 95 return ret; 96 } 97 98 extern "C" JNIEXPORT void JNICALL Java_art_Test905_setTag2( 99 JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jobject obj, jlong tag) { 100 jvmtiError ret = jvmti_env2->SetTag(obj, tag); 101 JvmtiErrorToException(env, jvmti_env, ret); 102 } 103 104 } // namespace Test905ObjectFree 105 } // namespace art 106
