instrumentation.h revision b2feaafd89813af69c65da95e0b51b1a4cecaf0b
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 <list> 22e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier#include <unordered_set> 23576ca0cd692c0b6ae70e776de91015b8ff000a08Ian Rogers 24d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers#include "arch/instruction_set.h" 25761600567d73b23324ae0251e871c15d6849ffd8Elliott Hughes#include "base/macros.h" 26719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers#include "base/mutex.h" 2794f7b49578b6aaa80de8ffed230648d601393905Hiroshi Yamauchi#include "gc_root.h" 280462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz#include "safe_map.h" 292dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 30725a957985171d712d5c048cc3d00ff14968784bjeffhaonamespace art { 312dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersnamespace mirror { 32ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom class Class; 33ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom class Object; 34ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom class Throwable; 3562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers} // namespace mirror 36c785344b87221f5e4e6473e5b762e4e61fe65dcfMathieu Chartierclass ArtField; 37e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartierclass ArtMethod; 3862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersunion JValue; 39725a957985171d712d5c048cc3d00ff14968784bjeffhaoclass Thread; 40725a957985171d712d5c048cc3d00ff14968784bjeffhao 4162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersnamespace instrumentation { 42725a957985171d712d5c048cc3d00ff14968784bjeffhao 43ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz// Interpreter handler tables. 44ee1997a3b83334985e757f369c09e111b121661bSebastien Hertzenum InterpreterHandlerTable { 45ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz kMainHandlerTable = 0, // Main handler table: no suspend check, no instrumentation. 46ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz kAlternativeHandlerTable = 1, // Alternative handler table: suspend check and/or instrumentation 47ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz // enabled. 48ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz kNumHandlerTables 49ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz}; 50ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 5140da286d3207d88ed8ff3f5caac4873874603428Andreas Gampe// Do we want to deoptimize for method entry and exit listeners or just try to intercept 5240da286d3207d88ed8ff3f5caac4873874603428Andreas Gampe// invocations? Deoptimization forces all code to run in the interpreter and considerably hurts the 5340da286d3207d88ed8ff3f5caac4873874603428Andreas Gampe// application's performance. 5440da286d3207d88ed8ff3f5caac4873874603428Andreas Gampestatic constexpr bool kDeoptimizeForAccurateMethodEntryExitListeners = true; 5540da286d3207d88ed8ff3f5caac4873874603428Andreas Gampe 5662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// Instrumentation event listener API. Registered listeners will get the appropriate call back for 5762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// the events they are listening for. The call backs supply the thread, method and dex_pc the event 5862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// occurred upon. The thread may or may not be Thread::Current(). 5962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersstruct InstrumentationListener { 6062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers InstrumentationListener() {} 6162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual ~InstrumentationListener() {} 6262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 6362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call-back for when a method is entered. 6462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual void MethodEntered(Thread* thread, mirror::Object* this_object, 65e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, 6690443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier uint32_t dex_pc) SHARED_REQUIRES(Locks::mutator_lock_) = 0; 6762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 6862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call-back for when a method is exited. 6962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual void MethodExited(Thread* thread, mirror::Object* this_object, 70e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc, 7162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers const JValue& return_value) 7290443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) = 0; 7362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 7462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call-back for when a method is popped due to an exception throw. A method will either cause a 7562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // MethodExited call-back or a MethodUnwind call-back when its activation is removed. 7651db44a194bafc3810a41164a8b39614f10e79dfSebastien Hertz virtual void MethodUnwind(Thread* thread, mirror::Object* this_object, 77e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc) 7890443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) = 0; 7962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 8062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call-back for when the dex pc moves in a method. 8162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual void DexPcMoved(Thread* thread, mirror::Object* this_object, 82e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t new_dex_pc) 8390443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) = 0; 8462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 853f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Call-back for when we read from a field. 86e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier virtual void FieldRead(Thread* thread, mirror::Object* this_object, ArtMethod* method, 87c785344b87221f5e4e6473e5b762e4e61fe65dcfMathieu Chartier uint32_t dex_pc, ArtField* field) = 0; 883f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 893f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Call-back for when we write into a field. 90e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier virtual void FieldWritten(Thread* thread, mirror::Object* this_object, ArtMethod* method, 91c785344b87221f5e4e6473e5b762e4e61fe65dcfMathieu Chartier uint32_t dex_pc, ArtField* field, const JValue& field_value) = 0; 923f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 9362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call-back when an exception is caught. 9414691c5e786e8c2c5734f687e4c96217340771beNicolas Geoffray virtual void ExceptionCaught(Thread* thread, mirror::Throwable* exception_object) 9590443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) = 0; 96e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 97e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier // Call-back for when we get a backward branch. 98e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier virtual void BackwardBranch(Thread* thread, ArtMethod* method, int32_t dex_pc_offset) 9990443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) = 0; 1005550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray 1015550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray // Call-back for when we get an invokevirtual or an invokeinterface. 1025550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray virtual void InvokeVirtualOrInterface(Thread* thread, 1035550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray mirror::Object* this_object, 1045550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray ArtMethod* caller, 1055550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray uint32_t dex_pc, 1065550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray ArtMethod* callee) 1075550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray SHARED_REQUIRES(Locks::mutator_lock_) = 0; 108725a957985171d712d5c048cc3d00ff14968784bjeffhao}; 109725a957985171d712d5c048cc3d00ff14968784bjeffhao 11062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// Instrumentation is a catch-all for when extra information is required from the runtime. The 11162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// typical use for instrumentation is for profiling and debugging. Instrumentation may add stubs 11262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// to method entry and exit, it may also force execution to be switched to the interpreter and 11362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// trigger deoptimization. 114725a957985171d712d5c048cc3d00ff14968784bjeffhaoclass Instrumentation { 115725a957985171d712d5c048cc3d00ff14968784bjeffhao public: 11662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers enum InstrumentationEvent { 117e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kMethodEntered = 0x1, 118e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kMethodExited = 0x2, 119e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kMethodUnwind = 0x4, 120e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kDexPcMoved = 0x8, 121e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kFieldRead = 0x10, 122e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kFieldWritten = 0x20, 123e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kExceptionCaught = 0x40, 124e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kBackwardBranch = 0x80, 1255550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray kInvokeVirtualOrInterface = 0x100, 12662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers }; 12762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 1280462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz enum class InstrumentationLevel { 1290462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz kInstrumentNothing, // execute without instrumentation 1300462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz kInstrumentWithInstrumentationStubs, // execute with instrumentation entry/exit stubs 1310462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz kInstrumentWithInterpreter // execute with interpreter 1320462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz }; 1330462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz 1343b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier Instrumentation(); 13562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 13662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Add a listener to be notified of the masked together sent of instrumentation events. This 13762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // suspend the runtime to install stubs. You are expected to hold the mutator lock as a proxy 13862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // for saying you should have suspended all threads (installing stubs while threads are running 13962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // will break). 14062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void AddListener(InstrumentationListener* listener, uint32_t events) 14190443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier REQUIRES(Locks::mutator_lock_, !Locks::thread_list_lock_, !Locks::classlinker_classes_lock_); 14262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 14362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Removes a listener possibly removing instrumentation stubs. 14462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void RemoveListener(InstrumentationListener* listener, uint32_t events) 14590443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier REQUIRES(Locks::mutator_lock_, !Locks::thread_list_lock_, !Locks::classlinker_classes_lock_); 14662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 147138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Deoptimization. 148a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz void EnableDeoptimization() 149aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(Locks::mutator_lock_) 150aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(!deoptimized_methods_lock_); 151aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier // Calls UndeoptimizeEverything which may visit class linker classes through ConfigureStubs. 1520462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz void DisableDeoptimization(const char* key) 153aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(Locks::mutator_lock_, Roles::uninterruptible_) 154aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(!deoptimized_methods_lock_); 155aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier 156a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz bool AreAllMethodsDeoptimized() const { 157a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return interpreter_stubs_installed_; 158a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 15990443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier bool ShouldNotifyMethodEnterExitEvents() const SHARED_REQUIRES(Locks::mutator_lock_); 160138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 161138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Executes everything with interpreter. 1620462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz void DeoptimizeEverything(const char* key) 163aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(Locks::mutator_lock_, Roles::uninterruptible_) 164aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(!Locks::thread_list_lock_, 165aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier !Locks::classlinker_classes_lock_, 16690443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier !deoptimized_methods_lock_); 167138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 168aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier // Executes everything with compiled code (or interpreter if there is no code). May visit class 169aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier // linker classes through ConfigureStubs. 1700462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz void UndeoptimizeEverything(const char* key) 171aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(Locks::mutator_lock_, Roles::uninterruptible_) 172aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(!Locks::thread_list_lock_, 173aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier !Locks::classlinker_classes_lock_, 17490443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier !deoptimized_methods_lock_); 175138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 176138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Deoptimize a method by forcing its execution with the interpreter. Nevertheless, a static 177138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // method (except a class initializer) set to the resolution trampoline will be deoptimized only 178138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // once its declaring class is initialized. 179e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier void Deoptimize(ArtMethod* method) 18090443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier REQUIRES(Locks::mutator_lock_, !Locks::thread_list_lock_, !deoptimized_methods_lock_); 181138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 182138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Undeoptimze the method by restoring its entrypoints. Nevertheless, a static method 183138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // (except a class initializer) set to the resolution trampoline will be updated only once its 184138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // declaring class is initialized. 185e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier void Undeoptimize(ArtMethod* method) 18690443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier REQUIRES(Locks::mutator_lock_, !Locks::thread_list_lock_, !deoptimized_methods_lock_); 187138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 1880462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz // Indicates whether the method has been deoptimized so it is executed with the interpreter. 189e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier bool IsDeoptimized(ArtMethod* method) 19090443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier REQUIRES(!deoptimized_methods_lock_) SHARED_REQUIRES(Locks::mutator_lock_); 191138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 1920462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz // Enable method tracing by installing instrumentation entry/exit stubs or interpreter. 1930462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz void EnableMethodTracing(const char* key, 1940462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz bool needs_interpreter = kDeoptimizeForAccurateMethodEntryExitListeners) 195aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(Locks::mutator_lock_, Roles::uninterruptible_) 196aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(!Locks::thread_list_lock_, 197aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier !Locks::classlinker_classes_lock_, 19890443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier !deoptimized_methods_lock_); 199138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 2000462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz // Disable method tracing by uninstalling instrumentation entry/exit stubs or interpreter. 2010462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz void DisableMethodTracing(const char* key) 202aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(Locks::mutator_lock_, Roles::uninterruptible_) 203aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(!Locks::thread_list_lock_, 204aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier !Locks::classlinker_classes_lock_, 20590443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier !deoptimized_methods_lock_); 206138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 207ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz InterpreterHandlerTable GetInterpreterHandlerTable() const 20890443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) { 209ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz return interpreter_handler_table_; 210ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz } 211ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 21290443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier void InstrumentQuickAllocEntryPoints() REQUIRES(!Locks::instrument_entrypoints_lock_); 21390443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier void UninstrumentQuickAllocEntryPoints() REQUIRES(!Locks::instrument_entrypoints_lock_); 2149ef78b59da51080882e47505896b420977fd79aeMathieu Chartier void InstrumentQuickAllocEntryPointsLocked() 21590443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier REQUIRES(Locks::instrument_entrypoints_lock_, !Locks::thread_list_lock_, 21690443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier !Locks::runtime_shutdown_lock_); 2179ef78b59da51080882e47505896b420977fd79aeMathieu Chartier void UninstrumentQuickAllocEntryPointsLocked() 21890443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier REQUIRES(Locks::instrument_entrypoints_lock_, !Locks::thread_list_lock_, 21990443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier !Locks::runtime_shutdown_lock_); 22090443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier void ResetQuickAllocEntryPoints() REQUIRES(Locks::runtime_shutdown_lock_); 221fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers 22262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Update the code of a method respecting any installed stubs. 223e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier void UpdateMethodsCode(ArtMethod* method, const void* quick_code) 22490443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) REQUIRES(!deoptimized_methods_lock_); 22562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 22662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Get the quick code for the given method. More efficient than asking the class linker as it 22762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // will short-cut to GetCode if instrumentation and static method resolution stubs aren't 22862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // installed. 229e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier const void* GetQuickCodeFor(ArtMethod* method, size_t pointer_size) const 23090443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 23162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 23262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void ForceInterpretOnly() { 23362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers interpret_only_ = true; 23462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers forced_interpret_only_ = true; 23562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 23662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 237ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom // Called by ArtMethod::Invoke to determine dispatch mechanism. 23862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool InterpretOnly() const { 23962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return interpret_only_; 24062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 24162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 242563b47cc142e477da244539b1d63070425e7fd78Hiroshi Yamauchi bool IsForcedInterpretOnly() const { 243563b47cc142e477da244539b1d63070425e7fd78Hiroshi Yamauchi return forced_interpret_only_; 244563b47cc142e477da244539b1d63070425e7fd78Hiroshi Yamauchi } 245563b47cc142e477da244539b1d63070425e7fd78Hiroshi Yamauchi 24662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool AreExitStubsInstalled() const { 24762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return instrumentation_stubs_installed_; 24862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 24962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 25090443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier bool HasMethodEntryListeners() const SHARED_REQUIRES(Locks::mutator_lock_) { 25174109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz return have_method_entry_listeners_; 25274109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz } 25374109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz 25490443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier bool HasMethodExitListeners() const SHARED_REQUIRES(Locks::mutator_lock_) { 25574109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz return have_method_exit_listeners_; 25674109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz } 25774109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz 25890443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier bool HasMethodUnwindListeners() const SHARED_REQUIRES(Locks::mutator_lock_) { 2590462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz return have_method_unwind_listeners_; 2600462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz } 2610462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz 26290443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier bool HasDexPcListeners() const SHARED_REQUIRES(Locks::mutator_lock_) { 26374109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz return have_dex_pc_listeners_; 26474109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz } 26574109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz 26690443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier bool HasFieldReadListeners() const SHARED_REQUIRES(Locks::mutator_lock_) { 2673f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return have_field_read_listeners_; 2683f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 2693f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 27090443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier bool HasFieldWriteListeners() const SHARED_REQUIRES(Locks::mutator_lock_) { 2713f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return have_field_write_listeners_; 2723f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 2733f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 27490443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier bool HasExceptionCaughtListeners() const SHARED_REQUIRES(Locks::mutator_lock_) { 2759f1020305292a21fd14a402b189c765a125226abSebastien Hertz return have_exception_caught_listeners_; 2769f1020305292a21fd14a402b189c765a125226abSebastien Hertz } 2779f1020305292a21fd14a402b189c765a125226abSebastien Hertz 27890443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier bool HasBackwardBranchListeners() const SHARED_REQUIRES(Locks::mutator_lock_) { 279e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier return have_backward_branch_listeners_; 280e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 281e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 2825550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray bool HasInvokeVirtualOrInterfaceListeners() const SHARED_REQUIRES(Locks::mutator_lock_) { 2835550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray return have_invoke_virtual_or_interface_listeners_; 2845550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray } 2855550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray 28690443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier bool IsActive() const SHARED_REQUIRES(Locks::mutator_lock_) { 287ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz return have_dex_pc_listeners_ || have_method_entry_listeners_ || have_method_exit_listeners_ || 28842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz have_field_read_listeners_ || have_field_write_listeners_ || 289ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz have_exception_caught_listeners_ || have_method_unwind_listeners_; 290ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz } 291ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 29262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that a method has been entered. A dex PC is provided as we may install 29362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // listeners into executing code and get method enter events for methods already on the stack. 29462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodEnterEvent(Thread* thread, mirror::Object* this_object, 295e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc) const 29690443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) { 29774109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz if (UNLIKELY(HasMethodEntryListeners())) { 29862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers MethodEnterEventImpl(thread, this_object, method, dex_pc); 29962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 30062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 30162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 30262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that a method has been exited. 30362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodExitEvent(Thread* thread, mirror::Object* this_object, 304e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc, 30562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers const JValue& return_value) const 30690443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) { 30774109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz if (UNLIKELY(HasMethodExitListeners())) { 30862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers MethodExitEventImpl(thread, this_object, method, dex_pc, return_value); 30962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 31062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 31162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 31262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that a method has been exited due to an exception. 31362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodUnwindEvent(Thread* thread, mirror::Object* this_object, 314e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc) const 31590443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 31662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 31762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that the dex pc has moved (only supported by the interpreter). 31862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void DexPcMovedEvent(Thread* thread, mirror::Object* this_object, 319e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc) const 32090443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) { 32174109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz if (UNLIKELY(HasDexPcListeners())) { 32262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers DexPcMovedEventImpl(thread, this_object, method, dex_pc); 32362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 32462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 325725a957985171d712d5c048cc3d00ff14968784bjeffhao 326e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier // Inform listeners that a backward branch has been taken (only supported by the interpreter). 327e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier void BackwardBranch(Thread* thread, ArtMethod* method, int32_t offset) const 32890443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) { 329e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier if (UNLIKELY(HasBackwardBranchListeners())) { 330e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier BackwardBranchImpl(thread, method, offset); 331e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 332e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 333e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 3343f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Inform listeners that we read a field (only supported by the interpreter). 3353f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldReadEvent(Thread* thread, mirror::Object* this_object, 336e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc, 337c785344b87221f5e4e6473e5b762e4e61fe65dcfMathieu Chartier ArtField* field) const 33890443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) { 3393f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (UNLIKELY(HasFieldReadListeners())) { 3403f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz FieldReadEventImpl(thread, this_object, method, dex_pc, field); 3413f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 3423f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 3433f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 3443f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Inform listeners that we write a field (only supported by the interpreter). 3453f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldWriteEvent(Thread* thread, mirror::Object* this_object, 346e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc, 347c785344b87221f5e4e6473e5b762e4e61fe65dcfMathieu Chartier ArtField* field, const JValue& field_value) const 34890443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) { 3493f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (UNLIKELY(HasFieldWriteListeners())) { 3503f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz FieldWriteEventImpl(thread, this_object, method, dex_pc, field, field_value); 3513f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 3523f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 3533f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 3545550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray void InvokeVirtualOrInterface(Thread* thread, 3555550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray mirror::Object* this_object, 3565550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray ArtMethod* caller, 3575550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray uint32_t dex_pc, 3585550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray ArtMethod* callee) const 3595550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray SHARED_REQUIRES(Locks::mutator_lock_) { 3605550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray if (UNLIKELY(HasInvokeVirtualOrInterfaceListeners())) { 3615550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray InvokeVirtualOrInterfaceImpl(thread, this_object, caller, dex_pc, callee); 3625550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray } 3635550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray } 3645550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray 36562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that an exception was caught. 36614691c5e786e8c2c5734f687e4c96217340771beNicolas Geoffray void ExceptionCaughtEvent(Thread* thread, mirror::Throwable* exception_object) const 36790443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 368725a957985171d712d5c048cc3d00ff14968784bjeffhao 36962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Called when an instrumented method is entered. The intended link register (lr) is saved so 37062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // that returning causes a branch to the method exit stub. Generates method enter events. 37162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void PushInstrumentationStackFrame(Thread* self, mirror::Object* this_object, 372e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uintptr_t lr, 3739a916d3c0d0574d106c764e737c67b52988d6139Jeff Hao bool interpreter_entry) 37490443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 375725a957985171d712d5c048cc3d00ff14968784bjeffhao 37662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Called when an instrumented method is exited. Removes the pushed instrumentation frame 37762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // returning the intended link register. Generates method exit events. 378d58342caa97108ba413bad467c285c0377f138f5Andreas Gampe TwoWordReturn PopInstrumentationStackFrame(Thread* self, uintptr_t* return_pc, 379d58342caa97108ba413bad467c285c0377f138f5Andreas Gampe uint64_t gpr_result, uint64_t fpr_result) 38090443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) REQUIRES(!deoptimized_methods_lock_); 381725a957985171d712d5c048cc3d00ff14968784bjeffhao 38262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Pops an instrumentation frame from the current thread and generate an unwind event. 38362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void PopMethodForUnwind(Thread* self, bool is_deoptimization) const 38490443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 38562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 38662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call back for configure stubs. 38790443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier void InstallStubsForClass(mirror::Class* klass) SHARED_REQUIRES(Locks::mutator_lock_) 38890443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier REQUIRES(!deoptimized_methods_lock_); 389725a957985171d712d5c048cc3d00ff14968784bjeffhao 390e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier void InstallStubsForMethod(ArtMethod* method) 39190443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) REQUIRES(!deoptimized_methods_lock_); 392138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 39399170c636dfae4908b102347cfe9f92bad1881ccMingyao Yang // Install instrumentation exit stub on every method of the stack of the given thread. 39499170c636dfae4908b102347cfe9f92bad1881ccMingyao Yang // This is used by the debugger to cause a deoptimization of the thread's stack after updating 39599170c636dfae4908b102347cfe9f92bad1881ccMingyao Yang // local variable(s). 39699170c636dfae4908b102347cfe9f92bad1881ccMingyao Yang void InstrumentThreadStack(Thread* thread) 39799170c636dfae4908b102347cfe9f92bad1881ccMingyao Yang SHARED_REQUIRES(Locks::mutator_lock_) 39899170c636dfae4908b102347cfe9f92bad1881ccMingyao Yang REQUIRES(!Locks::thread_list_lock_); 39999170c636dfae4908b102347cfe9f92bad1881ccMingyao Yang 400b2feaafd89813af69c65da95e0b51b1a4cecaf0bSebastien Hertz static size_t ComputeFrameId(Thread* self, 401b2feaafd89813af69c65da95e0b51b1a4cecaf0bSebastien Hertz size_t frame_depth, 402b2feaafd89813af69c65da95e0b51b1a4cecaf0bSebastien Hertz size_t inlined_frames_before_frame) 403b2feaafd89813af69c65da95e0b51b1a4cecaf0bSebastien Hertz SHARED_REQUIRES(Locks::mutator_lock_); 404b2feaafd89813af69c65da95e0b51b1a4cecaf0bSebastien Hertz 405725a957985171d712d5c048cc3d00ff14968784bjeffhao private: 4060462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz InstrumentationLevel GetCurrentInstrumentationLevel() const; 4070462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz 40862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Does the job of installing or removing instrumentation code within methods. 4090462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz // In order to support multiple clients using instrumentation at the same time, 4100462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz // the caller must pass a unique key (a string) identifying it so we remind which 4110462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz // instrumentation level it needs. Therefore the current instrumentation level 4120462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz // becomes the highest instrumentation level required by a client. 4130462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz void ConfigureStubs(const char* key, InstrumentationLevel desired_instrumentation_level) 414aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(Locks::mutator_lock_, Roles::uninterruptible_) 415aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(!deoptimized_methods_lock_, 416aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier !Locks::thread_list_lock_, 41790443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier !Locks::classlinker_classes_lock_); 41862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 41990443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier void UpdateInterpreterHandlerTable() REQUIRES(Locks::mutator_lock_) { 420ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz interpreter_handler_table_ = IsActive() ? kAlternativeHandlerTable : kMainHandlerTable; 421ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz } 422ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 423661974a5561e5ccdfbac8cb5d8df8b7e6f3483b8Mathieu Chartier // No thread safety analysis to get around SetQuickAllocEntryPointsInstrumented requiring 424661974a5561e5ccdfbac8cb5d8df8b7e6f3483b8Mathieu Chartier // exclusive access to mutator lock which you can't get if the runtime isn't started. 4259ef78b59da51080882e47505896b420977fd79aeMathieu Chartier void SetEntrypointsInstrumented(bool instrumented) NO_THREAD_SAFETY_ANALYSIS; 426661974a5561e5ccdfbac8cb5d8df8b7e6f3483b8Mathieu Chartier 42762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodEnterEventImpl(Thread* thread, mirror::Object* this_object, 428e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc) const 42990443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 43062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodExitEventImpl(Thread* thread, mirror::Object* this_object, 431e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, 43262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers uint32_t dex_pc, const JValue& return_value) const 43390443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 43462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void DexPcMovedEventImpl(Thread* thread, mirror::Object* this_object, 435e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc) const 43690443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 437e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier void BackwardBranchImpl(Thread* thread, ArtMethod* method, int32_t offset) const 43890443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 4395550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray void InvokeVirtualOrInterfaceImpl(Thread* thread, 4405550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray mirror::Object* this_object, 4415550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray ArtMethod* caller, 4425550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray uint32_t dex_pc, 4435550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray ArtMethod* callee) const 4445550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray SHARED_REQUIRES(Locks::mutator_lock_); 4453f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldReadEventImpl(Thread* thread, mirror::Object* this_object, 446e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc, 447c785344b87221f5e4e6473e5b762e4e61fe65dcfMathieu Chartier ArtField* field) const 44890443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 4493f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldWriteEventImpl(Thread* thread, mirror::Object* this_object, 450e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc, 451c785344b87221f5e4e6473e5b762e4e61fe65dcfMathieu Chartier ArtField* field, const JValue& field_value) const 45290443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 45362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 454799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi // Read barrier-aware utility functions for accessing deoptimized_methods_ 455e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier bool AddDeoptimizedMethod(ArtMethod* method) 45690443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) REQUIRES(deoptimized_methods_lock_); 457e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier bool IsDeoptimizedMethod(ArtMethod* method) 45890443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_, deoptimized_methods_lock_); 459e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier bool RemoveDeoptimizedMethod(ArtMethod* method) 46090443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) REQUIRES(deoptimized_methods_lock_); 461e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* BeginDeoptimizedMethod() 46290443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_, deoptimized_methods_lock_); 463799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi bool IsDeoptimizedMethodsEmpty() const 46490443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_, deoptimized_methods_lock_); 465799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi 466ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom // Have we hijacked ArtMethod::code_ so that it calls instrumentation/interpreter code? 46762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool instrumentation_stubs_installed_; 46862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 469ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom // Have we hijacked ArtMethod::code_ to reference the enter/exit stubs? 47062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool entry_exit_stubs_installed_; 47162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 472ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom // Have we hijacked ArtMethod::code_ to reference the enter interpreter stub? 47362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool interpreter_stubs_installed_; 47462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 47562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we need the fidelity of events that we only get from running within the interpreter? 47662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool interpret_only_; 477725a957985171d712d5c048cc3d00ff14968784bjeffhao 47862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Did the runtime request we only run in the interpreter? ie -Xint mode. 47962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool forced_interpret_only_; 480725a957985171d712d5c048cc3d00ff14968784bjeffhao 48162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any listeners for method entry events? Short-cut to avoid taking the 48262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // instrumentation_lock_. 483ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_method_entry_listeners_ GUARDED_BY(Locks::mutator_lock_); 48462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 48562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any listeners for method exit events? Short-cut to avoid taking the 48662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // instrumentation_lock_. 487ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_method_exit_listeners_ GUARDED_BY(Locks::mutator_lock_); 48862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 48962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any listeners for method unwind events? Short-cut to avoid taking the 49062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // instrumentation_lock_. 491ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_method_unwind_listeners_ GUARDED_BY(Locks::mutator_lock_); 49262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 49362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any listeners for dex move events? Short-cut to avoid taking the 49462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // instrumentation_lock_. 495ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_dex_pc_listeners_ GUARDED_BY(Locks::mutator_lock_); 49662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 4973f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Do we have any listeners for field read events? Short-cut to avoid taking the 4983f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // instrumentation_lock_. 499ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_field_read_listeners_ GUARDED_BY(Locks::mutator_lock_); 5003f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 5013f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Do we have any listeners for field write events? Short-cut to avoid taking the 5023f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // instrumentation_lock_. 503ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_field_write_listeners_ GUARDED_BY(Locks::mutator_lock_); 5043f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 50562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any exception caught listeners? Short-cut to avoid taking the instrumentation_lock_. 506ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_exception_caught_listeners_ GUARDED_BY(Locks::mutator_lock_); 50762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 508e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier // Do we have any backward branch listeners? Short-cut to avoid taking the instrumentation_lock_. 509e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier bool have_backward_branch_listeners_ GUARDED_BY(Locks::mutator_lock_); 510e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 5115550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray // Do we have any invoke listeners? Short-cut to avoid taking the instrumentation_lock_. 5125550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray bool have_invoke_virtual_or_interface_listeners_ GUARDED_BY(Locks::mutator_lock_); 5135550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray 5140462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz // Contains the instrumentation level required by each client of the instrumentation identified 5150462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz // by a string key. 5160462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz typedef SafeMap<const char*, InstrumentationLevel> InstrumentationLevelTable; 5170462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz InstrumentationLevelTable requested_instrumentation_levels_ GUARDED_BY(Locks::mutator_lock_); 5180462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz 51962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // The event listeners, written to with the mutator_lock_ exclusively held. 52062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers std::list<InstrumentationListener*> method_entry_listeners_ GUARDED_BY(Locks::mutator_lock_); 52162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers std::list<InstrumentationListener*> method_exit_listeners_ GUARDED_BY(Locks::mutator_lock_); 52262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers std::list<InstrumentationListener*> method_unwind_listeners_ GUARDED_BY(Locks::mutator_lock_); 523e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier std::list<InstrumentationListener*> backward_branch_listeners_ GUARDED_BY(Locks::mutator_lock_); 5245550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray std::list<InstrumentationListener*> invoke_virtual_or_interface_listeners_ 5255550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray GUARDED_BY(Locks::mutator_lock_); 526ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi std::shared_ptr<std::list<InstrumentationListener*>> dex_pc_listeners_ 527ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi GUARDED_BY(Locks::mutator_lock_); 528ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi std::shared_ptr<std::list<InstrumentationListener*>> field_read_listeners_ 529ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi GUARDED_BY(Locks::mutator_lock_); 530ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi std::shared_ptr<std::list<InstrumentationListener*>> field_write_listeners_ 531ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi GUARDED_BY(Locks::mutator_lock_); 532ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi std::shared_ptr<std::list<InstrumentationListener*>> exception_caught_listeners_ 533ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi GUARDED_BY(Locks::mutator_lock_); 534725a957985171d712d5c048cc3d00ff14968784bjeffhao 535138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // The set of methods being deoptimized (by the debugger) which must be executed with interpreter 536138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // only. 5373b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier mutable ReaderWriterMutex deoptimized_methods_lock_ DEFAULT_MUTEX_ACQUIRED_AFTER; 538e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier std::unordered_set<ArtMethod*> deoptimized_methods_ GUARDED_BY(deoptimized_methods_lock_); 53911d40c250ec86c784cf76b8c31e1cf9285d555dcSebastien Hertz bool deoptimization_enabled_; 540138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 541fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers // Current interpreter handler table. This is updated each time the thread state flags are 542fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers // modified. 543ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz InterpreterHandlerTable interpreter_handler_table_ GUARDED_BY(Locks::mutator_lock_); 544ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 545fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers // Greater than 0 if quick alloc entry points instrumented. 5469ef78b59da51080882e47505896b420977fd79aeMathieu Chartier size_t quick_alloc_entry_points_instrumentation_counter_ 5479ef78b59da51080882e47505896b420977fd79aeMathieu Chartier GUARDED_BY(Locks::instrument_entrypoints_lock_); 548fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers 5490462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz friend class InstrumentationTest; // For GetCurrentInstrumentationLevel and ConfigureStubs. 5500462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz 551725a957985171d712d5c048cc3d00ff14968784bjeffhao DISALLOW_COPY_AND_ASSIGN(Instrumentation); 552725a957985171d712d5c048cc3d00ff14968784bjeffhao}; 5536a3c1fcb4ba42ad4d5d142c17a3712a6ddd3866fIan Rogersstd::ostream& operator<<(std::ostream& os, const Instrumentation::InstrumentationEvent& rhs); 5540462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertzstd::ostream& operator<<(std::ostream& os, const Instrumentation::InstrumentationLevel& rhs); 555725a957985171d712d5c048cc3d00ff14968784bjeffhao 55662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// An element in the instrumentation side stack maintained in art::Thread. 55762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersstruct InstrumentationStackFrame { 558e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier InstrumentationStackFrame(mirror::Object* this_object, ArtMethod* method, 5599a916d3c0d0574d106c764e737c67b52988d6139Jeff Hao uintptr_t return_pc, size_t frame_id, bool interpreter_entry) 5609a916d3c0d0574d106c764e737c67b52988d6139Jeff Hao : this_object_(this_object), method_(method), return_pc_(return_pc), frame_id_(frame_id), 5619a916d3c0d0574d106c764e737c67b52988d6139Jeff Hao interpreter_entry_(interpreter_entry) { 56262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 56362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 56490443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier std::string Dump() const SHARED_REQUIRES(Locks::mutator_lock_); 56562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 56662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Object* this_object_; 567e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method_; 568138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz uintptr_t return_pc_; 569138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz size_t frame_id_; 570138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz bool interpreter_entry_; 57162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers}; 57262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 57362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers} // namespace instrumentation 574725a957985171d712d5c048cc3d00ff14968784bjeffhao} // namespace art 575725a957985171d712d5c048cc3d00ff14968784bjeffhao 576fc0e3219edc9a5bf81b166e82fd5db2796eb6a0dBrian Carlstrom#endif // ART_RUNTIME_INSTRUMENTATION_H_ 577