instrumentation.h revision 9f1020305292a21fd14a402b189c765a125226ab
1725a957985171d712d5c048cc3d00ff14968784bjeffhao/* 2725a957985171d712d5c048cc3d00ff14968784bjeffhao * Copyright (C) 2011 The Android Open Source Project 3725a957985171d712d5c048cc3d00ff14968784bjeffhao * 4725a957985171d712d5c048cc3d00ff14968784bjeffhao * Licensed under the Apache License, Version 2.0 (the "License"); 5725a957985171d712d5c048cc3d00ff14968784bjeffhao * you may not use this file except in compliance with the License. 6725a957985171d712d5c048cc3d00ff14968784bjeffhao * You may obtain a copy of the License at 7725a957985171d712d5c048cc3d00ff14968784bjeffhao * 8725a957985171d712d5c048cc3d00ff14968784bjeffhao * http://www.apache.org/licenses/LICENSE-2.0 9725a957985171d712d5c048cc3d00ff14968784bjeffhao * 10725a957985171d712d5c048cc3d00ff14968784bjeffhao * Unless required by applicable law or agreed to in writing, software 11725a957985171d712d5c048cc3d00ff14968784bjeffhao * distributed under the License is distributed on an "AS IS" BASIS, 12725a957985171d712d5c048cc3d00ff14968784bjeffhao * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13725a957985171d712d5c048cc3d00ff14968784bjeffhao * See the License for the specific language governing permissions and 14725a957985171d712d5c048cc3d00ff14968784bjeffhao * limitations under the License. 15725a957985171d712d5c048cc3d00ff14968784bjeffhao */ 16725a957985171d712d5c048cc3d00ff14968784bjeffhao 17fc0e3219edc9a5bf81b166e82fd5db2796eb6a0dBrian Carlstrom#ifndef ART_RUNTIME_INSTRUMENTATION_H_ 18fc0e3219edc9a5bf81b166e82fd5db2796eb6a0dBrian Carlstrom#define ART_RUNTIME_INSTRUMENTATION_H_ 19725a957985171d712d5c048cc3d00ff14968784bjeffhao 20576ca0cd692c0b6ae70e776de91015b8ff000a08Ian Rogers#include <stdint.h> 21576ca0cd692c0b6ae70e776de91015b8ff000a08Ian Rogers#include <set> 22576ca0cd692c0b6ae70e776de91015b8ff000a08Ian Rogers#include <list> 23576ca0cd692c0b6ae70e776de91015b8ff000a08Ian Rogers 24ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers#include "atomic.h" 25d58342caa97108ba413bad467c285c0377f138f5Andreas Gampe#include "instruction_set.h" 26761600567d73b23324ae0251e871c15d6849ffd8Elliott Hughes#include "base/macros.h" 27719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers#include "base/mutex.h" 283b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier#include "object_callbacks.h" 292dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 30725a957985171d712d5c048cc3d00ff14968784bjeffhaonamespace art { 312dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersnamespace mirror { 323f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz class ArtField; 33ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom class ArtMethod; 34ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom class Class; 35ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom class Object; 36ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom class Throwable; 3762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers} // namespace mirror 3862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersunion JValue; 39725a957985171d712d5c048cc3d00ff14968784bjeffhaoclass Thread; 4062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersclass ThrowLocation; 41725a957985171d712d5c048cc3d00ff14968784bjeffhao 4262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersnamespace instrumentation { 43725a957985171d712d5c048cc3d00ff14968784bjeffhao 44ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz// Interpreter handler tables. 45ee1997a3b83334985e757f369c09e111b121661bSebastien Hertzenum InterpreterHandlerTable { 46ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz kMainHandlerTable = 0, // Main handler table: no suspend check, no instrumentation. 47ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz kAlternativeHandlerTable = 1, // Alternative handler table: suspend check and/or instrumentation 48ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz // enabled. 49ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz kNumHandlerTables 50ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz}; 51ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 5262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// Instrumentation event listener API. Registered listeners will get the appropriate call back for 5362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// the events they are listening for. The call backs supply the thread, method and dex_pc the event 5462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// occurred upon. The thread may or may not be Thread::Current(). 5562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersstruct InstrumentationListener { 5662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers InstrumentationListener() {} 5762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual ~InstrumentationListener() {} 5862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 5962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call-back for when a method is entered. 6062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual void MethodEntered(Thread* thread, mirror::Object* this_object, 61ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, 6262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers uint32_t dex_pc) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) = 0; 6362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 6462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call-back for when a method is exited. 6562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // TODO: its likely passing the return value would be useful, however, we may need to get and 6662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // parse the shorty to determine what kind of register holds the result. 6762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual void MethodExited(Thread* thread, mirror::Object* this_object, 68ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc, 6962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers const JValue& return_value) 7062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) = 0; 7162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 7262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call-back for when a method is popped due to an exception throw. A method will either cause a 7362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // MethodExited call-back or a MethodUnwind call-back when its activation is removed. 7451db44a194bafc3810a41164a8b39614f10e79dfSebastien Hertz virtual void MethodUnwind(Thread* thread, mirror::Object* this_object, 75ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc) 7651db44a194bafc3810a41164a8b39614f10e79dfSebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) = 0; 7762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 7862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call-back for when the dex pc moves in a method. 7962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual void DexPcMoved(Thread* thread, mirror::Object* this_object, 80ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t new_dex_pc) 8162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) = 0; 8262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 833f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Call-back for when we read from a field. 843f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz virtual void FieldRead(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 853f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t dex_pc, mirror::ArtField* field) = 0; 863f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 873f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Call-back for when we write into a field. 883f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz virtual void FieldWritten(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 893f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t dex_pc, mirror::ArtField* field, const JValue& field_value) = 0; 903f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 9162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call-back when an exception is caught. 9262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual void ExceptionCaught(Thread* thread, const ThrowLocation& throw_location, 93ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* catch_method, uint32_t catch_dex_pc, 9462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Throwable* exception_object) 9562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) = 0; 96725a957985171d712d5c048cc3d00ff14968784bjeffhao}; 97725a957985171d712d5c048cc3d00ff14968784bjeffhao 9862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// Instrumentation is a catch-all for when extra information is required from the runtime. The 9962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// typical use for instrumentation is for profiling and debugging. Instrumentation may add stubs 10062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// to method entry and exit, it may also force execution to be switched to the interpreter and 10162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// trigger deoptimization. 102725a957985171d712d5c048cc3d00ff14968784bjeffhaoclass Instrumentation { 103725a957985171d712d5c048cc3d00ff14968784bjeffhao public: 10462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers enum InstrumentationEvent { 1053f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz kMethodEntered = 1 << 0, 1063f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz kMethodExited = 1 << 1, 1073f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz kMethodUnwind = 1 << 2, 1083f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz kDexPcMoved = 1 << 3, 1093f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz kFieldRead = 1 << 4, 1103f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz kFieldWritten = 1 << 5, 1113f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz kExceptionCaught = 1 << 6, 11262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers }; 11362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 1143b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier Instrumentation(); 11562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 11662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Add a listener to be notified of the masked together sent of instrumentation events. This 11762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // suspend the runtime to install stubs. You are expected to hold the mutator lock as a proxy 11862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // for saying you should have suspended all threads (installing stubs while threads are running 11962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // will break). 12062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void AddListener(InstrumentationListener* listener, uint32_t events) 12162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 12262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::classlinker_classes_lock_); 12362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 12462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Removes a listener possibly removing instrumentation stubs. 12562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void RemoveListener(InstrumentationListener* listener, uint32_t events) 12662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 12762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::classlinker_classes_lock_); 12862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 129138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Deoptimization. 130a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz void EnableDeoptimization() 131a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 1323b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier LOCKS_EXCLUDED(deoptimized_methods_lock_); 133a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz void DisableDeoptimization() 134a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 1354d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz LOCKS_EXCLUDED(deoptimized_methods_lock_); 136a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz bool AreAllMethodsDeoptimized() const { 137a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return interpreter_stubs_installed_; 138a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 13911d40c250ec86c784cf76b8c31e1cf9285d555dcSebastien Hertz bool ShouldNotifyMethodEnterExitEvents() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 140138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 141138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Executes everything with interpreter. 142138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz void DeoptimizeEverything() 143138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 144138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::classlinker_classes_lock_); 145138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 146138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Executes everything with compiled code (or interpreter if there is no code). 147138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz void UndeoptimizeEverything() 148138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 149138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::classlinker_classes_lock_); 150138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 151138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Deoptimize a method by forcing its execution with the interpreter. Nevertheless, a static 152138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // method (except a class initializer) set to the resolution trampoline will be deoptimized only 153138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // once its declaring class is initialized. 154138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz void Deoptimize(mirror::ArtMethod* method) 1553b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier LOCKS_EXCLUDED(Locks::thread_list_lock_, deoptimized_methods_lock_) 156138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_); 157138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 158138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Undeoptimze the method by restoring its entrypoints. Nevertheless, a static method 159138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // (except a class initializer) set to the resolution trampoline will be updated only once its 160138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // declaring class is initialized. 161138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz void Undeoptimize(mirror::ArtMethod* method) 1624d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz LOCKS_EXCLUDED(Locks::thread_list_lock_, deoptimized_methods_lock_) 163138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_); 164138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 1653b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier bool IsDeoptimized(mirror::ArtMethod* method) const LOCKS_EXCLUDED(deoptimized_methods_lock_); 166138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 167138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Enable method tracing by installing instrumentation entry/exit stubs. 168138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz void EnableMethodTracing() 169138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 170138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::classlinker_classes_lock_); 171138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 172138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Disable method tracing by uninstalling instrumentation entry/exit stubs. 173138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz void DisableMethodTracing() 174138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 175138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::classlinker_classes_lock_); 176138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 177ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz InterpreterHandlerTable GetInterpreterHandlerTable() const { 178ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz return interpreter_handler_table_; 179ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz } 180ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 181d889178ec78930538d9d6a66c3df9ee9afaffbb4Mathieu Chartier void InstrumentQuickAllocEntryPoints() LOCKS_EXCLUDED(Locks::thread_list_lock_, 182d889178ec78930538d9d6a66c3df9ee9afaffbb4Mathieu Chartier Locks::runtime_shutdown_lock_); 183d889178ec78930538d9d6a66c3df9ee9afaffbb4Mathieu Chartier void UninstrumentQuickAllocEntryPoints() LOCKS_EXCLUDED(Locks::thread_list_lock_, 184d889178ec78930538d9d6a66c3df9ee9afaffbb4Mathieu Chartier Locks::runtime_shutdown_lock_); 185d889178ec78930538d9d6a66c3df9ee9afaffbb4Mathieu Chartier void ResetQuickAllocEntryPoints() EXCLUSIVE_LOCKS_REQUIRED(Locks::runtime_shutdown_lock_); 186fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers 18762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Update the code of a method respecting any installed stubs. 188ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers void UpdateMethodsCode(mirror::ArtMethod* method, const void* quick_code, 189ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const void* portable_code, bool have_portable_code) const 190138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 19162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 19262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Get the quick code for the given method. More efficient than asking the class linker as it 19362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // will short-cut to GetCode if instrumentation and static method resolution stubs aren't 19462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // installed. 195ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const void* GetQuickCodeFor(mirror::ArtMethod* method) const 19662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 19762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 19862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void ForceInterpretOnly() { 19962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers interpret_only_ = true; 20062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers forced_interpret_only_ = true; 20162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 20262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 203ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom // Called by ArtMethod::Invoke to determine dispatch mechanism. 20462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool InterpretOnly() const { 20562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return interpret_only_; 20662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 20762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 208563b47cc142e477da244539b1d63070425e7fd78Hiroshi Yamauchi bool IsForcedInterpretOnly() const { 209563b47cc142e477da244539b1d63070425e7fd78Hiroshi Yamauchi return forced_interpret_only_; 210563b47cc142e477da244539b1d63070425e7fd78Hiroshi Yamauchi } 211563b47cc142e477da244539b1d63070425e7fd78Hiroshi Yamauchi 21262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool ShouldPortableCodeDeoptimize() const { 21362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return instrumentation_stubs_installed_; 21462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 21562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 21662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool AreExitStubsInstalled() const { 21762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return instrumentation_stubs_installed_; 21862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 21962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 22074109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz bool HasMethodEntryListeners() const { 22174109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz return have_method_entry_listeners_; 22274109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz } 22374109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz 22474109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz bool HasMethodExitListeners() const { 22574109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz return have_method_exit_listeners_; 22674109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz } 22774109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz 22874109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz bool HasDexPcListeners() const { 22974109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz return have_dex_pc_listeners_; 23074109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz } 23174109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz 2323f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz bool HasFieldReadListeners() const { 2333f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return have_field_read_listeners_; 2343f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 2353f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 2363f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz bool HasFieldWriteListeners() const { 2373f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return have_field_write_listeners_; 2383f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 2393f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 2409f1020305292a21fd14a402b189c765a125226abSebastien Hertz bool HasExceptionCaughtListeners() const { 2419f1020305292a21fd14a402b189c765a125226abSebastien Hertz return have_exception_caught_listeners_; 2429f1020305292a21fd14a402b189c765a125226abSebastien Hertz } 2439f1020305292a21fd14a402b189c765a125226abSebastien Hertz 244ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz bool IsActive() const { 245ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz return have_dex_pc_listeners_ || have_method_entry_listeners_ || have_method_exit_listeners_ || 24642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz have_field_read_listeners_ || have_field_write_listeners_ || 247ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz have_exception_caught_listeners_ || have_method_unwind_listeners_; 248ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz } 249ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 25062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that a method has been entered. A dex PC is provided as we may install 25162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // listeners into executing code and get method enter events for methods already on the stack. 25262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodEnterEvent(Thread* thread, mirror::Object* this_object, 253ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc) const 25462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 25574109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz if (UNLIKELY(HasMethodEntryListeners())) { 25662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers MethodEnterEventImpl(thread, this_object, method, dex_pc); 25762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 25862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 25962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 26062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that a method has been exited. 26162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodExitEvent(Thread* thread, mirror::Object* this_object, 262ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc, 26362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers const JValue& return_value) const 26462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 26574109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz if (UNLIKELY(HasMethodExitListeners())) { 26662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers MethodExitEventImpl(thread, this_object, method, dex_pc, return_value); 26762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 26862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 26962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 27062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that a method has been exited due to an exception. 27162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodUnwindEvent(Thread* thread, mirror::Object* this_object, 272ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc) const 27362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 27462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 27562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that the dex pc has moved (only supported by the interpreter). 27662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void DexPcMovedEvent(Thread* thread, mirror::Object* this_object, 277ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc) const 27862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 27974109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz if (UNLIKELY(HasDexPcListeners())) { 28062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers DexPcMovedEventImpl(thread, this_object, method, dex_pc); 28162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 28262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 283725a957985171d712d5c048cc3d00ff14968784bjeffhao 2843f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Inform listeners that we read a field (only supported by the interpreter). 2853f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldReadEvent(Thread* thread, mirror::Object* this_object, 2863f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtMethod* method, uint32_t dex_pc, 2873f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtField* field) const 2883f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2893f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (UNLIKELY(HasFieldReadListeners())) { 2903f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz FieldReadEventImpl(thread, this_object, method, dex_pc, field); 2913f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 2923f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 2933f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 2943f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Inform listeners that we write a field (only supported by the interpreter). 2953f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldWriteEvent(Thread* thread, mirror::Object* this_object, 2963f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtMethod* method, uint32_t dex_pc, 2973f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtField* field, const JValue& field_value) const 2983f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2993f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (UNLIKELY(HasFieldWriteListeners())) { 3003f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz FieldWriteEventImpl(thread, this_object, method, dex_pc, field, field_value); 3013f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 3023f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 3033f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 30462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that an exception was caught. 30562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void ExceptionCaughtEvent(Thread* thread, const ThrowLocation& throw_location, 306ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* catch_method, uint32_t catch_dex_pc, 307947ff080753c786a74f1cd7aeb09f717bb7074bdSebastien Hertz mirror::Throwable* exception_object) const 30862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 309725a957985171d712d5c048cc3d00ff14968784bjeffhao 31062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Called when an instrumented method is entered. The intended link register (lr) is saved so 31162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // that returning causes a branch to the method exit stub. Generates method enter events. 31262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void PushInstrumentationStackFrame(Thread* self, mirror::Object* this_object, 313ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* method, uintptr_t lr, 3149a916d3c0d0574d106c764e737c67b52988d6139Jeff Hao bool interpreter_entry) 31562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 316725a957985171d712d5c048cc3d00ff14968784bjeffhao 31762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Called when an instrumented method is exited. Removes the pushed instrumentation frame 31862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // returning the intended link register. Generates method exit events. 319d58342caa97108ba413bad467c285c0377f138f5Andreas Gampe TwoWordReturn PopInstrumentationStackFrame(Thread* self, uintptr_t* return_pc, 320d58342caa97108ba413bad467c285c0377f138f5Andreas Gampe uint64_t gpr_result, uint64_t fpr_result) 32162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 322725a957985171d712d5c048cc3d00ff14968784bjeffhao 32362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Pops an instrumentation frame from the current thread and generate an unwind event. 32462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void PopMethodForUnwind(Thread* self, bool is_deoptimization) const 32562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 32662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 32762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call back for configure stubs. 32862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool InstallStubsForClass(mirror::Class* klass) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 329725a957985171d712d5c048cc3d00ff14968784bjeffhao 330138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz void InstallStubsForMethod(mirror::ArtMethod* method) 331138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 332138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 3333b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier void VisitRoots(RootCallback* callback, void* arg) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 3343b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier LOCKS_EXCLUDED(deoptimized_methods_lock_); 3353b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 336725a957985171d712d5c048cc3d00ff14968784bjeffhao private: 33762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Does the job of installing or removing instrumentation code within methods. 33862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void ConfigureStubs(bool require_entry_exit_stubs, bool require_interpreter) 33962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 3403b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::classlinker_classes_lock_, 3413b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier deoptimized_methods_lock_); 34262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 343ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz void UpdateInterpreterHandlerTable() { 344ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz interpreter_handler_table_ = IsActive() ? kAlternativeHandlerTable : kMainHandlerTable; 345ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz } 346ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 347661974a5561e5ccdfbac8cb5d8df8b7e6f3483b8Mathieu Chartier // No thread safety analysis to get around SetQuickAllocEntryPointsInstrumented requiring 348661974a5561e5ccdfbac8cb5d8df8b7e6f3483b8Mathieu Chartier // exclusive access to mutator lock which you can't get if the runtime isn't started. 349661974a5561e5ccdfbac8cb5d8df8b7e6f3483b8Mathieu Chartier void SetEntrypointsInstrumented(bool instrumented) NO_THREAD_SAFETY_ANALYSIS; 350661974a5561e5ccdfbac8cb5d8df8b7e6f3483b8Mathieu Chartier 35162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodEnterEventImpl(Thread* thread, mirror::Object* this_object, 352ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc) const 35362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 35462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodExitEventImpl(Thread* thread, mirror::Object* this_object, 355ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, 35662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers uint32_t dex_pc, const JValue& return_value) const 35762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 35862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void DexPcMovedEventImpl(Thread* thread, mirror::Object* this_object, 359ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc) const 36062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 3613f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldReadEventImpl(Thread* thread, mirror::Object* this_object, 3623f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtMethod* method, uint32_t dex_pc, 3633f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtField* field) const 3643f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 3653f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldWriteEventImpl(Thread* thread, mirror::Object* this_object, 3663f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtMethod* method, uint32_t dex_pc, 3673f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtField* field, const JValue& field_value) const 3683f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 36962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 370ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom // Have we hijacked ArtMethod::code_ so that it calls instrumentation/interpreter code? 37162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool instrumentation_stubs_installed_; 37262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 373ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom // Have we hijacked ArtMethod::code_ to reference the enter/exit stubs? 37462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool entry_exit_stubs_installed_; 37562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 376ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom // Have we hijacked ArtMethod::code_ to reference the enter interpreter stub? 37762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool interpreter_stubs_installed_; 37862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 37962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we need the fidelity of events that we only get from running within the interpreter? 38062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool interpret_only_; 381725a957985171d712d5c048cc3d00ff14968784bjeffhao 38262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Did the runtime request we only run in the interpreter? ie -Xint mode. 38362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool forced_interpret_only_; 384725a957985171d712d5c048cc3d00ff14968784bjeffhao 38562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any listeners for method entry events? Short-cut to avoid taking the 38662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // instrumentation_lock_. 38762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool have_method_entry_listeners_; 38862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 38962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any listeners for method exit events? Short-cut to avoid taking the 39062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // instrumentation_lock_. 39162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool have_method_exit_listeners_; 39262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 39362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any listeners for method unwind events? Short-cut to avoid taking the 39462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // instrumentation_lock_. 39562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool have_method_unwind_listeners_; 39662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 39762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any listeners for dex move events? Short-cut to avoid taking the 39862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // instrumentation_lock_. 39962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool have_dex_pc_listeners_; 40062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 4013f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Do we have any listeners for field read events? Short-cut to avoid taking the 4023f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // instrumentation_lock_. 4033f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz bool have_field_read_listeners_; 4043f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 4053f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Do we have any listeners for field write events? Short-cut to avoid taking the 4063f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // instrumentation_lock_. 4073f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz bool have_field_write_listeners_; 4083f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 40962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any exception caught listeners? Short-cut to avoid taking the instrumentation_lock_. 41062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool have_exception_caught_listeners_; 41162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 41262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // The event listeners, written to with the mutator_lock_ exclusively held. 41362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers std::list<InstrumentationListener*> method_entry_listeners_ GUARDED_BY(Locks::mutator_lock_); 41462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers std::list<InstrumentationListener*> method_exit_listeners_ GUARDED_BY(Locks::mutator_lock_); 41562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers std::list<InstrumentationListener*> method_unwind_listeners_ GUARDED_BY(Locks::mutator_lock_); 41662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers std::list<InstrumentationListener*> dex_pc_listeners_ GUARDED_BY(Locks::mutator_lock_); 4173f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz std::list<InstrumentationListener*> field_read_listeners_ GUARDED_BY(Locks::mutator_lock_); 4183f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz std::list<InstrumentationListener*> field_write_listeners_ GUARDED_BY(Locks::mutator_lock_); 41962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers std::list<InstrumentationListener*> exception_caught_listeners_ GUARDED_BY(Locks::mutator_lock_); 420725a957985171d712d5c048cc3d00ff14968784bjeffhao 421138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // The set of methods being deoptimized (by the debugger) which must be executed with interpreter 422138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // only. 4233b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier mutable ReaderWriterMutex deoptimized_methods_lock_ DEFAULT_MUTEX_ACQUIRED_AFTER; 4243b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier std::set<mirror::ArtMethod*> deoptimized_methods_ GUARDED_BY(deoptimized_methods_lock_); 42511d40c250ec86c784cf76b8c31e1cf9285d555dcSebastien Hertz bool deoptimization_enabled_; 426138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 427fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers // Current interpreter handler table. This is updated each time the thread state flags are 428fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers // modified. 429ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz InterpreterHandlerTable interpreter_handler_table_; 430ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 431fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers // Greater than 0 if quick alloc entry points instrumented. 432fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers // TODO: The access and changes to this is racy and should be guarded by a lock. 433cbb2d20bea2861f244da2e2318d8c088300a3710Mathieu Chartier AtomicInteger quick_alloc_entry_points_instrumentation_counter_; 434fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers 435725a957985171d712d5c048cc3d00ff14968784bjeffhao DISALLOW_COPY_AND_ASSIGN(Instrumentation); 436725a957985171d712d5c048cc3d00ff14968784bjeffhao}; 437725a957985171d712d5c048cc3d00ff14968784bjeffhao 43862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// An element in the instrumentation side stack maintained in art::Thread. 43962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersstruct InstrumentationStackFrame { 440ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom InstrumentationStackFrame(mirror::Object* this_object, mirror::ArtMethod* method, 4419a916d3c0d0574d106c764e737c67b52988d6139Jeff Hao uintptr_t return_pc, size_t frame_id, bool interpreter_entry) 4429a916d3c0d0574d106c764e737c67b52988d6139Jeff Hao : this_object_(this_object), method_(method), return_pc_(return_pc), frame_id_(frame_id), 4439a916d3c0d0574d106c764e737c67b52988d6139Jeff Hao interpreter_entry_(interpreter_entry) { 44462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 44562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 44662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers std::string Dump() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 44762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 44862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Object* this_object_; 449ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* method_; 450138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz uintptr_t return_pc_; 451138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz size_t frame_id_; 452138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz bool interpreter_entry_; 45362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers}; 45462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 45562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers} // namespace instrumentation 456725a957985171d712d5c048cc3d00ff14968784bjeffhao} // namespace art 457725a957985171d712d5c048cc3d00ff14968784bjeffhao 458fc0e3219edc9a5bf81b166e82fd5db2796eb6a0dBrian Carlstrom#endif // ART_RUNTIME_INSTRUMENTATION_H_ 459