1 /* 2 * Copyright 2021 Code Intelligence GmbH 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 #pragma once 18 19 #include <jni.h> 20 21 #include <string> 22 23 extern std::string FLAGS_cp; 24 extern std::string FLAGS_jvm_args; 25 extern std::string FLAGS_additional_jvm_args; 26 extern std::string FLAGS_agent_path; 27 28 namespace jazzer { 29 30 void DumpJvmStackTraces(); 31 32 // JVM is a thin wrapper around JNI_CreateJavaVM and DestroyJavaVM. The JVM 33 // instance is created inside the constructor with some default JNI options 34 // + options which can be added to via command line flags. 35 class JVM { 36 private: 37 JavaVM *jvm_; 38 JNIEnv *env_; 39 40 public: 41 // Creates a JVM instance with default options + options that were provided as 42 // command line flags. 43 explicit JVM(); 44 45 // Destroy the running JVM instance. 46 ~JVM(); 47 48 // Get the JNI environment for interaction with the running JVM instance. 49 JNIEnv &GetEnv() const; 50 }; 51 } /* namespace jazzer */ 52