| /* |
| * Copyright (C) 2017 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 <jni.h> |
| #include <jvmti.h> |
| |
| #include "android-base/logging.h" |
| #include "jni_binder.h" |
| #include "jvmti_helper.h" |
| #include "scoped_local_ref.h" |
| #include "test_env.h" |
| |
| namespace art { |
| |
| static void InformMainAttach(jvmtiEnv* jenv, |
| JNIEnv* env, |
| const char* class_name, |
| const char* method_name) { |
| // Use JNI to load the class. |
| ScopedLocalRef<jclass> klass(env, FindClass(jenv, env, class_name, nullptr)); |
| CHECK(klass.get() != nullptr) << class_name; |
| |
| jmethodID method = env->GetStaticMethodID(klass.get(), method_name, "()V"); |
| CHECK(method != nullptr); |
| |
| env->CallStaticVoidMethod(klass.get(), method); |
| } |
| |
| static constexpr const char* kMainClass = "art/CtsMain"; |
| static constexpr const char* kMainClassStartup = "startup"; |
| |
| extern "C" JNIEXPORT jint JNICALL Agent_OnLoad(JavaVM* vm, |
| char* options ATTRIBUTE_UNUSED, |
| void* reserved ATTRIBUTE_UNUSED) { |
| if (vm->GetEnv(reinterpret_cast<void**>(&jvmti_env), JVMTI_VERSION_1_0) != 0) { |
| LOG(FATAL) << "Could not get shared jvmtiEnv"; |
| } |
| |
| SetStandardCapabilities(jvmti_env); |
| return 0; |
| } |
| |
| extern "C" JNIEXPORT jint JNICALL Agent_OnAttach(JavaVM* vm, |
| char* options ATTRIBUTE_UNUSED, |
| void* reserved ATTRIBUTE_UNUSED) { |
| JNIEnv* env; |
| CHECK_EQ(0, vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6)) |
| << "Could not get JNIEnv"; |
| |
| if (vm->GetEnv(reinterpret_cast<void**>(&jvmti_env), JVMTI_VERSION_1_0) != 0) { |
| LOG(FATAL) << "Could not get shared jvmtiEnv"; |
| } |
| |
| SetStandardCapabilities(jvmti_env); |
| InformMainAttach(jvmti_env, env, kMainClass, kMainClassStartup); |
| return 0; |
| } |
| |
| } // namespace art |