blob: ac73364ff0a894499214735d79a0012b8e862568 [file] [log] [blame]
/*
* 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 "runtime_callbacks.h"
#include <algorithm>
#include "art_method.h"
#include "base/macros.h"
#include "base/mutex-inl.h"
#include "class_linker.h"
#include "monitor.h"
#include "thread-current-inl.h"
namespace art {
RuntimeCallbacks::RuntimeCallbacks()
: callback_lock_(new ReaderWriterMutex("Runtime callbacks lock",
LockLevel::kGenericBottomLock)) {}
// We don't want to be holding any locks when the actual event is called so we use this to define a
// helper that gets a copy of the current event list and returns it.
#define COPY(T) \
([this]() -> decltype(this->T) { \
ReaderMutexLock mu(Thread::Current(), *this->callback_lock_); \
return std::vector<decltype(this->T)::value_type>(this->T); \
})()
template <typename T>
ALWAYS_INLINE
static inline void Remove(T* cb, std::vector<T*>* data) {
auto it = std::find(data->begin(), data->end(), cb);
if (it != data->end()) {
data->erase(it);
}
}
void RuntimeCallbacks::AddDdmCallback(DdmCallback* cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
ddm_callbacks_.push_back(cb);
}
void RuntimeCallbacks::RemoveDdmCallback(DdmCallback* cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
Remove(cb, &ddm_callbacks_);
}
void RuntimeCallbacks::DdmPublishChunk(uint32_t type, const ArrayRef<const uint8_t>& data) {
for (DdmCallback* cb : COPY(ddm_callbacks_)) {
cb->DdmPublishChunk(type, data);
}
}
void RuntimeCallbacks::AddDebuggerControlCallback(DebuggerControlCallback* cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
debugger_control_callbacks_.push_back(cb);
}
void RuntimeCallbacks::RemoveDebuggerControlCallback(DebuggerControlCallback* cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
Remove(cb, &debugger_control_callbacks_);
}
bool RuntimeCallbacks::IsDebuggerConfigured() {
for (DebuggerControlCallback* cb : COPY(debugger_control_callbacks_)) {
if (cb->IsDebuggerConfigured()) {
return true;
}
}
return false;
}
void RuntimeCallbacks::StartDebugger() {
for (DebuggerControlCallback* cb : COPY(debugger_control_callbacks_)) {
cb->StartDebugger();
}
}
void RuntimeCallbacks::StopDebugger() {
for (DebuggerControlCallback* cb : COPY(debugger_control_callbacks_)) {
cb->StopDebugger();
}
}
void RuntimeCallbacks::AddMethodInspectionCallback(MethodInspectionCallback* cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
method_inspection_callbacks_.push_back(cb);
}
void RuntimeCallbacks::RemoveMethodInspectionCallback(MethodInspectionCallback* cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
Remove(cb, &method_inspection_callbacks_);
}
bool RuntimeCallbacks::IsMethodSafeToJit(ArtMethod* m) {
for (MethodInspectionCallback* cb : COPY(method_inspection_callbacks_)) {
if (!cb->IsMethodSafeToJit(m)) {
DCHECK(cb->IsMethodBeingInspected(m))
<< "Contract requires that !IsMethodSafeToJit(m) -> IsMethodBeingInspected(m)";
return false;
}
}
return true;
}
bool RuntimeCallbacks::IsMethodBeingInspected(ArtMethod* m) {
for (MethodInspectionCallback* cb : COPY(method_inspection_callbacks_)) {
if (cb->IsMethodBeingInspected(m)) {
return true;
}
}
return false;
}
bool RuntimeCallbacks::MethodNeedsDebugVersion(ArtMethod* m) {
for (MethodInspectionCallback* cb : COPY(method_inspection_callbacks_)) {
if (cb->MethodNeedsDebugVersion(m)) {
return true;
}
}
return false;
}
void RuntimeCallbacks::AddThreadLifecycleCallback(ThreadLifecycleCallback* cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
thread_callbacks_.push_back(cb);
}
void RuntimeCallbacks::MonitorContendedLocking(Monitor* m) {
for (MonitorCallback* cb : COPY(monitor_callbacks_)) {
cb->MonitorContendedLocking(m);
}
}
void RuntimeCallbacks::MonitorContendedLocked(Monitor* m) {
for (MonitorCallback* cb : COPY(monitor_callbacks_)) {
cb->MonitorContendedLocked(m);
}
}
void RuntimeCallbacks::ObjectWaitStart(Handle<mirror::Object> m, int64_t timeout) {
for (MonitorCallback* cb : COPY(monitor_callbacks_)) {
cb->ObjectWaitStart(m, timeout);
}
}
void RuntimeCallbacks::MonitorWaitFinished(Monitor* m, bool timeout) {
for (MonitorCallback* cb : COPY(monitor_callbacks_)) {
cb->MonitorWaitFinished(m, timeout);
}
}
void RuntimeCallbacks::AddMonitorCallback(MonitorCallback* cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
monitor_callbacks_.push_back(cb);
}
void RuntimeCallbacks::RemoveMonitorCallback(MonitorCallback* cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
Remove(cb, &monitor_callbacks_);
}
void RuntimeCallbacks::ThreadParkStart(bool is_absolute, int64_t timeout) {
for (ParkCallback * cb : COPY(park_callbacks_)) {
cb->ThreadParkStart(is_absolute, timeout);
}
}
void RuntimeCallbacks::ThreadParkFinished(bool timeout) {
for (ParkCallback * cb : COPY(park_callbacks_)) {
cb->ThreadParkFinished(timeout);
}
}
void RuntimeCallbacks::AddParkCallback(ParkCallback* cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
park_callbacks_.push_back(cb);
}
void RuntimeCallbacks::RemoveParkCallback(ParkCallback* cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
Remove(cb, &park_callbacks_);
}
void RuntimeCallbacks::RemoveThreadLifecycleCallback(ThreadLifecycleCallback* cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
Remove(cb, &thread_callbacks_);
}
void RuntimeCallbacks::ThreadStart(Thread* self) {
for (ThreadLifecycleCallback* cb : COPY(thread_callbacks_)) {
cb->ThreadStart(self);
}
}
void RuntimeCallbacks::ThreadDeath(Thread* self) {
for (ThreadLifecycleCallback* cb : COPY(thread_callbacks_)) {
cb->ThreadDeath(self);
}
}
void RuntimeCallbacks::AddClassLoadCallback(ClassLoadCallback* cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
class_callbacks_.push_back(cb);
}
void RuntimeCallbacks::RemoveClassLoadCallback(ClassLoadCallback* cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
Remove(cb, &class_callbacks_);
}
void RuntimeCallbacks::ClassLoad(Handle<mirror::Class> klass) {
for (ClassLoadCallback* cb : COPY(class_callbacks_)) {
cb->ClassLoad(klass);
}
}
void RuntimeCallbacks::ClassPreDefine(const char* descriptor,
Handle<mirror::Class> temp_class,
Handle<mirror::ClassLoader> loader,
const DexFile& initial_dex_file,
const dex::ClassDef& initial_class_def,
/*out*/DexFile const** final_dex_file,
/*out*/dex::ClassDef const** final_class_def) {
DexFile const* current_dex_file = &initial_dex_file;
dex::ClassDef const* current_class_def = &initial_class_def;
for (ClassLoadCallback* cb : COPY(class_callbacks_)) {
DexFile const* new_dex_file = nullptr;
dex::ClassDef const* new_class_def = nullptr;
cb->ClassPreDefine(descriptor,
temp_class,
loader,
*current_dex_file,
*current_class_def,
&new_dex_file,
&new_class_def);
if ((new_dex_file != nullptr && new_dex_file != current_dex_file) ||
(new_class_def != nullptr && new_class_def != current_class_def)) {
DCHECK(new_dex_file != nullptr && new_class_def != nullptr);
current_dex_file = new_dex_file;
current_class_def = new_class_def;
}
}
*final_dex_file = current_dex_file;
*final_class_def = current_class_def;
}
void RuntimeCallbacks::ClassPrepare(Handle<mirror::Class> temp_klass, Handle<mirror::Class> klass) {
for (ClassLoadCallback* cb : COPY(class_callbacks_)) {
cb->ClassPrepare(temp_klass, klass);
}
}
void RuntimeCallbacks::AddRuntimeSigQuitCallback(RuntimeSigQuitCallback* cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
sigquit_callbacks_.push_back(cb);
}
void RuntimeCallbacks::RemoveRuntimeSigQuitCallback(RuntimeSigQuitCallback* cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
Remove(cb, &sigquit_callbacks_);
}
void RuntimeCallbacks::SigQuit() {
for (RuntimeSigQuitCallback* cb : COPY(sigquit_callbacks_)) {
cb->SigQuit();
}
}
void RuntimeCallbacks::AddRuntimePhaseCallback(RuntimePhaseCallback* cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
phase_callbacks_.push_back(cb);
}
void RuntimeCallbacks::RemoveRuntimePhaseCallback(RuntimePhaseCallback* cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
Remove(cb, &phase_callbacks_);
}
void RuntimeCallbacks::NextRuntimePhase(RuntimePhaseCallback::RuntimePhase phase) {
for (RuntimePhaseCallback* cb : COPY(phase_callbacks_)) {
cb->NextRuntimePhase(phase);
}
}
void RuntimeCallbacks::AddMethodCallback(MethodCallback* cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
method_callbacks_.push_back(cb);
}
void RuntimeCallbacks::RemoveMethodCallback(MethodCallback* cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
Remove(cb, &method_callbacks_);
}
void RuntimeCallbacks::RegisterNativeMethod(ArtMethod* method,
const void* in_cur_method,
/*out*/void** new_method) {
void* cur_method = const_cast<void*>(in_cur_method);
*new_method = cur_method;
for (MethodCallback* cb : COPY(method_callbacks_)) {
cb->RegisterNativeMethod(method, cur_method, new_method);
if (*new_method != nullptr) {
cur_method = *new_method;
}
}
}
void RuntimeCallbacks::AddReflectiveValueVisitCallback(ReflectiveValueVisitCallback *cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
reflective_value_visit_callbacks_.push_back(cb);
}
void RuntimeCallbacks::RemoveReflectiveValueVisitCallback(ReflectiveValueVisitCallback *cb) {
WriterMutexLock mu(Thread::Current(), *callback_lock_);
Remove(cb, &reflective_value_visit_callbacks_);
}
void RuntimeCallbacks::VisitReflectiveTargets(ReflectiveValueVisitor *visitor) {
for (ReflectiveValueVisitCallback* cb : COPY(reflective_value_visit_callbacks_)) {
cb->VisitReflectiveTargets(visitor);
}
}
} // namespace art