| /* |
| * 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. |
| */ |
| |
| #ifndef ART_TEST_TI_AGENT_JVMTI_HELPER_H_ |
| #define ART_TEST_TI_AGENT_JVMTI_HELPER_H_ |
| |
| #include "jni.h" |
| #include "jvmti.h" |
| #include <memory> |
| #include <ostream> |
| |
| #include "android-base/logging.h" |
| |
| namespace art { |
| |
| // Get a standard set of capabilities for use in tests. |
| jvmtiCapabilities GetStandardCapabilities(); |
| |
| // Add all the standard capabilities to the given env. |
| void SetStandardCapabilities(jvmtiEnv* env); |
| |
| // Add all capabilities to the given env. |
| // TODO Remove this in the future. |
| void SetAllCapabilities(jvmtiEnv* env); |
| |
| // Check whether the given error is NONE. If not, print out the corresponding error message |
| // and abort. |
| void CheckJvmtiError(jvmtiEnv* env, jvmtiError error); |
| |
| // Convert the given error to a RuntimeException with a message derived from the error. Returns |
| // true on error, false if error is JVMTI_ERROR_NONE. |
| bool JvmtiErrorToException(JNIEnv* env, jvmtiEnv* jvmti_env, jvmtiError error); |
| |
| class JvmtiDeleter { |
| public: |
| JvmtiDeleter() : env_(nullptr) {} |
| explicit JvmtiDeleter(jvmtiEnv* env) : env_(env) {} |
| |
| JvmtiDeleter(JvmtiDeleter&) = default; |
| JvmtiDeleter(JvmtiDeleter&&) = default; |
| JvmtiDeleter& operator=(const JvmtiDeleter&) = default; |
| |
| void operator()(unsigned char* ptr) const { |
| CHECK(env_ != nullptr); |
| jvmtiError ret = env_->Deallocate(ptr); |
| CheckJvmtiError(env_, ret); |
| } |
| |
| private: |
| mutable jvmtiEnv* env_; |
| }; |
| |
| using JvmtiUniquePtr = std::unique_ptr<unsigned char, JvmtiDeleter>; |
| |
| template <typename T> |
| static inline JvmtiUniquePtr MakeJvmtiUniquePtr(jvmtiEnv* env, T* mem) { |
| return JvmtiUniquePtr(reinterpret_cast<unsigned char*>(mem), JvmtiDeleter(env)); |
| } |
| |
| template <typename T> |
| static inline jvmtiError Deallocate(jvmtiEnv* env, T* mem) { |
| return env->Deallocate(reinterpret_cast<unsigned char*>(mem)); |
| } |
| |
| // To print jvmtiError. Does not rely on GetErrorName, so is an approximation. |
| std::ostream& operator<<(std::ostream& os, const jvmtiError& rhs); |
| |
| } // namespace art |
| |
| #endif // ART_TEST_TI_AGENT_JVMTI_HELPER_H_ |