352 lines
11 KiB
C++
352 lines
11 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "runtime_callbacks.h"
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#include <algorithm>
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#include "art_method.h"
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#include "base/macros.h"
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#include "base/mutex-inl.h"
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#include "class_linker.h"
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#include "monitor.h"
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#include "thread-current-inl.h"
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namespace art {
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RuntimeCallbacks::RuntimeCallbacks()
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: callback_lock_(new ReaderWriterMutex("Runtime callbacks lock",
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LockLevel::kGenericBottomLock)) {}
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// We don't want to be holding any locks when the actual event is called so we use this to define a
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// helper that gets a copy of the current event list and returns it.
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#define COPY(T) \
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([this]() -> decltype(this->T) { \
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ReaderMutexLock mu(Thread::Current(), *this->callback_lock_); \
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return std::vector<decltype(this->T)::value_type>(this->T); \
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})()
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template <typename T>
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ALWAYS_INLINE
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static inline void Remove(T* cb, std::vector<T*>* data) {
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auto it = std::find(data->begin(), data->end(), cb);
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if (it != data->end()) {
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data->erase(it);
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}
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}
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void RuntimeCallbacks::AddDdmCallback(DdmCallback* cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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ddm_callbacks_.push_back(cb);
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}
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void RuntimeCallbacks::RemoveDdmCallback(DdmCallback* cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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Remove(cb, &ddm_callbacks_);
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}
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void RuntimeCallbacks::DdmPublishChunk(uint32_t type, const ArrayRef<const uint8_t>& data) {
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for (DdmCallback* cb : COPY(ddm_callbacks_)) {
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cb->DdmPublishChunk(type, data);
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}
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}
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void RuntimeCallbacks::AddDebuggerControlCallback(DebuggerControlCallback* cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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debugger_control_callbacks_.push_back(cb);
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}
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void RuntimeCallbacks::RemoveDebuggerControlCallback(DebuggerControlCallback* cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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Remove(cb, &debugger_control_callbacks_);
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}
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bool RuntimeCallbacks::IsDebuggerConfigured() {
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for (DebuggerControlCallback* cb : COPY(debugger_control_callbacks_)) {
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if (cb->IsDebuggerConfigured()) {
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return true;
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}
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}
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return false;
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}
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void RuntimeCallbacks::StartDebugger() {
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for (DebuggerControlCallback* cb : COPY(debugger_control_callbacks_)) {
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cb->StartDebugger();
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}
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}
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void RuntimeCallbacks::StopDebugger() {
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for (DebuggerControlCallback* cb : COPY(debugger_control_callbacks_)) {
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cb->StopDebugger();
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}
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}
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void RuntimeCallbacks::AddMethodInspectionCallback(MethodInspectionCallback* cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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method_inspection_callbacks_.push_back(cb);
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}
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void RuntimeCallbacks::RemoveMethodInspectionCallback(MethodInspectionCallback* cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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Remove(cb, &method_inspection_callbacks_);
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}
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bool RuntimeCallbacks::IsMethodSafeToJit(ArtMethod* m) {
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for (MethodInspectionCallback* cb : COPY(method_inspection_callbacks_)) {
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if (!cb->IsMethodSafeToJit(m)) {
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DCHECK(cb->IsMethodBeingInspected(m))
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<< "Contract requires that !IsMethodSafeToJit(m) -> IsMethodBeingInspected(m)";
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return false;
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}
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}
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return true;
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}
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bool RuntimeCallbacks::IsMethodBeingInspected(ArtMethod* m) {
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for (MethodInspectionCallback* cb : COPY(method_inspection_callbacks_)) {
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if (cb->IsMethodBeingInspected(m)) {
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return true;
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}
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}
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return false;
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}
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bool RuntimeCallbacks::MethodNeedsDebugVersion(ArtMethod* m) {
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for (MethodInspectionCallback* cb : COPY(method_inspection_callbacks_)) {
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if (cb->MethodNeedsDebugVersion(m)) {
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return true;
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}
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}
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return false;
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}
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void RuntimeCallbacks::AddThreadLifecycleCallback(ThreadLifecycleCallback* cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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thread_callbacks_.push_back(cb);
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}
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void RuntimeCallbacks::MonitorContendedLocking(Monitor* m) {
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for (MonitorCallback* cb : COPY(monitor_callbacks_)) {
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cb->MonitorContendedLocking(m);
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}
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}
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void RuntimeCallbacks::MonitorContendedLocked(Monitor* m) {
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for (MonitorCallback* cb : COPY(monitor_callbacks_)) {
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cb->MonitorContendedLocked(m);
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}
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}
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void RuntimeCallbacks::ObjectWaitStart(Handle<mirror::Object> m, int64_t timeout) {
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for (MonitorCallback* cb : COPY(monitor_callbacks_)) {
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cb->ObjectWaitStart(m, timeout);
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}
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}
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void RuntimeCallbacks::MonitorWaitFinished(Monitor* m, bool timeout) {
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for (MonitorCallback* cb : COPY(monitor_callbacks_)) {
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cb->MonitorWaitFinished(m, timeout);
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}
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}
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void RuntimeCallbacks::AddMonitorCallback(MonitorCallback* cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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monitor_callbacks_.push_back(cb);
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}
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void RuntimeCallbacks::RemoveMonitorCallback(MonitorCallback* cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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Remove(cb, &monitor_callbacks_);
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}
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void RuntimeCallbacks::ThreadParkStart(bool is_absolute, int64_t timeout) {
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for (ParkCallback * cb : COPY(park_callbacks_)) {
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cb->ThreadParkStart(is_absolute, timeout);
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}
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}
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void RuntimeCallbacks::ThreadParkFinished(bool timeout) {
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for (ParkCallback * cb : COPY(park_callbacks_)) {
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cb->ThreadParkFinished(timeout);
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}
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}
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void RuntimeCallbacks::AddParkCallback(ParkCallback* cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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park_callbacks_.push_back(cb);
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}
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void RuntimeCallbacks::RemoveParkCallback(ParkCallback* cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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Remove(cb, &park_callbacks_);
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}
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void RuntimeCallbacks::RemoveThreadLifecycleCallback(ThreadLifecycleCallback* cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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Remove(cb, &thread_callbacks_);
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}
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void RuntimeCallbacks::ThreadStart(Thread* self) {
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for (ThreadLifecycleCallback* cb : COPY(thread_callbacks_)) {
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cb->ThreadStart(self);
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}
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}
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void RuntimeCallbacks::ThreadDeath(Thread* self) {
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for (ThreadLifecycleCallback* cb : COPY(thread_callbacks_)) {
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cb->ThreadDeath(self);
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}
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}
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void RuntimeCallbacks::AddClassLoadCallback(ClassLoadCallback* cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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class_callbacks_.push_back(cb);
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}
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void RuntimeCallbacks::RemoveClassLoadCallback(ClassLoadCallback* cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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Remove(cb, &class_callbacks_);
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}
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void RuntimeCallbacks::ClassLoad(Handle<mirror::Class> klass) {
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for (ClassLoadCallback* cb : COPY(class_callbacks_)) {
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cb->ClassLoad(klass);
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}
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}
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void RuntimeCallbacks::EndDefineClass() {
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for (ClassLoadCallback* cb : COPY(class_callbacks_)) {
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cb->EndDefineClass();
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}
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}
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void RuntimeCallbacks::BeginDefineClass() {
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for (ClassLoadCallback* cb : COPY(class_callbacks_)) {
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cb->BeginDefineClass();
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}
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}
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void RuntimeCallbacks::ClassPreDefine(const char* descriptor,
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Handle<mirror::Class> temp_class,
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Handle<mirror::ClassLoader> loader,
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const DexFile& initial_dex_file,
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const dex::ClassDef& initial_class_def,
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/*out*/DexFile const** final_dex_file,
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/*out*/dex::ClassDef const** final_class_def) {
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DexFile const* current_dex_file = &initial_dex_file;
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dex::ClassDef const* current_class_def = &initial_class_def;
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for (ClassLoadCallback* cb : COPY(class_callbacks_)) {
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DexFile const* new_dex_file = nullptr;
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dex::ClassDef const* new_class_def = nullptr;
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cb->ClassPreDefine(descriptor,
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temp_class,
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loader,
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*current_dex_file,
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*current_class_def,
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&new_dex_file,
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&new_class_def);
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if ((new_dex_file != nullptr && new_dex_file != current_dex_file) ||
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(new_class_def != nullptr && new_class_def != current_class_def)) {
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DCHECK(new_dex_file != nullptr && new_class_def != nullptr);
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current_dex_file = new_dex_file;
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current_class_def = new_class_def;
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}
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}
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*final_dex_file = current_dex_file;
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*final_class_def = current_class_def;
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}
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void RuntimeCallbacks::ClassPrepare(Handle<mirror::Class> temp_klass, Handle<mirror::Class> klass) {
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for (ClassLoadCallback* cb : COPY(class_callbacks_)) {
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cb->ClassPrepare(temp_klass, klass);
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}
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}
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void RuntimeCallbacks::AddRuntimeSigQuitCallback(RuntimeSigQuitCallback* cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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sigquit_callbacks_.push_back(cb);
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}
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void RuntimeCallbacks::RemoveRuntimeSigQuitCallback(RuntimeSigQuitCallback* cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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Remove(cb, &sigquit_callbacks_);
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}
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void RuntimeCallbacks::SigQuit() {
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for (RuntimeSigQuitCallback* cb : COPY(sigquit_callbacks_)) {
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cb->SigQuit();
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}
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}
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void RuntimeCallbacks::AddRuntimePhaseCallback(RuntimePhaseCallback* cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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phase_callbacks_.push_back(cb);
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}
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void RuntimeCallbacks::RemoveRuntimePhaseCallback(RuntimePhaseCallback* cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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Remove(cb, &phase_callbacks_);
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}
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void RuntimeCallbacks::NextRuntimePhase(RuntimePhaseCallback::RuntimePhase phase) {
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for (RuntimePhaseCallback* cb : COPY(phase_callbacks_)) {
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cb->NextRuntimePhase(phase);
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}
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}
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void RuntimeCallbacks::AddMethodCallback(MethodCallback* cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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method_callbacks_.push_back(cb);
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}
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void RuntimeCallbacks::RemoveMethodCallback(MethodCallback* cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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Remove(cb, &method_callbacks_);
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}
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void RuntimeCallbacks::RegisterNativeMethod(ArtMethod* method,
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const void* in_cur_method,
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/*out*/void** new_method) {
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void* cur_method = const_cast<void*>(in_cur_method);
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*new_method = cur_method;
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for (MethodCallback* cb : COPY(method_callbacks_)) {
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cb->RegisterNativeMethod(method, cur_method, new_method);
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if (*new_method != nullptr) {
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cur_method = *new_method;
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}
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}
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}
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void RuntimeCallbacks::AddReflectiveValueVisitCallback(ReflectiveValueVisitCallback *cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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reflective_value_visit_callbacks_.push_back(cb);
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}
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void RuntimeCallbacks::RemoveReflectiveValueVisitCallback(ReflectiveValueVisitCallback *cb) {
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WriterMutexLock mu(Thread::Current(), *callback_lock_);
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Remove(cb, &reflective_value_visit_callbacks_);
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}
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void RuntimeCallbacks::VisitReflectiveTargets(ReflectiveValueVisitor *visitor) {
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for (ReflectiveValueVisitCallback* cb : COPY(reflective_value_visit_callbacks_)) {
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cb->VisitReflectiveTargets(visitor);
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}
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}
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} // namespace art
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