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 9781f0f953c4bb159997046c962d44cb1898b1778dNicolas Geoffray // Call-back for when we execute a branch. 9881f0f953c4bb159997046c962d44cb1898b1778dNicolas Geoffray virtual void Branch(Thread* thread, 9981f0f953c4bb159997046c962d44cb1898b1778dNicolas Geoffray ArtMethod* method, 10081f0f953c4bb159997046c962d44cb1898b1778dNicolas Geoffray uint32_t dex_pc, 10181f0f953c4bb159997046c962d44cb1898b1778dNicolas Geoffray int32_t dex_pc_offset) 10290443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) = 0; 1035550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray 1045550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray // Call-back for when we get an invokevirtual or an invokeinterface. 1055550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray virtual void InvokeVirtualOrInterface(Thread* thread, 1065550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray mirror::Object* this_object, 1075550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray ArtMethod* caller, 1085550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray uint32_t dex_pc, 1095550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray ArtMethod* callee) 1103fdb3fec5c36127d8568b2f89698906ba4b68576Mathieu Chartier REQUIRES(Roles::uninterruptible_) 1115550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray SHARED_REQUIRES(Locks::mutator_lock_) = 0; 112725a957985171d712d5c048cc3d00ff14968784bjeffhao}; 113725a957985171d712d5c048cc3d00ff14968784bjeffhao 11462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// Instrumentation is a catch-all for when extra information is required from the runtime. The 11562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// typical use for instrumentation is for profiling and debugging. Instrumentation may add stubs 11662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// to method entry and exit, it may also force execution to be switched to the interpreter and 11762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// trigger deoptimization. 118725a957985171d712d5c048cc3d00ff14968784bjeffhaoclass Instrumentation { 119725a957985171d712d5c048cc3d00ff14968784bjeffhao public: 12062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers enum InstrumentationEvent { 121e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kMethodEntered = 0x1, 122e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kMethodExited = 0x2, 123e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kMethodUnwind = 0x4, 124e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kDexPcMoved = 0x8, 125e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kFieldRead = 0x10, 126e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kFieldWritten = 0x20, 127e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kExceptionCaught = 0x40, 12881f0f953c4bb159997046c962d44cb1898b1778dNicolas Geoffray kBranch = 0x80, 1295550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray kInvokeVirtualOrInterface = 0x100, 13062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers }; 13162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 1320462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz enum class InstrumentationLevel { 1330462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz kInstrumentNothing, // execute without instrumentation 1340462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz kInstrumentWithInstrumentationStubs, // execute with instrumentation entry/exit stubs 1350462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz kInstrumentWithInterpreter // execute with interpreter 1360462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz }; 1370462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz 1383b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier Instrumentation(); 13962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 14062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Add a listener to be notified of the masked together sent of instrumentation events. This 14162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // suspend the runtime to install stubs. You are expected to hold the mutator lock as a proxy 14262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // for saying you should have suspended all threads (installing stubs while threads are running 14362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // will break). 14462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void AddListener(InstrumentationListener* listener, uint32_t events) 14590443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier REQUIRES(Locks::mutator_lock_, !Locks::thread_list_lock_, !Locks::classlinker_classes_lock_); 14662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 14762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Removes a listener possibly removing instrumentation stubs. 14862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void RemoveListener(InstrumentationListener* listener, uint32_t events) 14990443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier REQUIRES(Locks::mutator_lock_, !Locks::thread_list_lock_, !Locks::classlinker_classes_lock_); 15062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 151138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Deoptimization. 152a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz void EnableDeoptimization() 153aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(Locks::mutator_lock_) 154aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(!deoptimized_methods_lock_); 155aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier // Calls UndeoptimizeEverything which may visit class linker classes through ConfigureStubs. 1560462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz void DisableDeoptimization(const char* key) 157aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(Locks::mutator_lock_, Roles::uninterruptible_) 158aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(!deoptimized_methods_lock_); 159aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier 160a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz bool AreAllMethodsDeoptimized() const { 161a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return interpreter_stubs_installed_; 162a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 16390443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier bool ShouldNotifyMethodEnterExitEvents() const SHARED_REQUIRES(Locks::mutator_lock_); 164138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 165138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Executes everything with interpreter. 1660462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz void DeoptimizeEverything(const char* key) 167aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(Locks::mutator_lock_, Roles::uninterruptible_) 168aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(!Locks::thread_list_lock_, 169aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier !Locks::classlinker_classes_lock_, 17090443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier !deoptimized_methods_lock_); 171138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 172aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier // Executes everything with compiled code (or interpreter if there is no code). May visit class 173aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier // linker classes through ConfigureStubs. 1740462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz void UndeoptimizeEverything(const char* key) 175aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(Locks::mutator_lock_, Roles::uninterruptible_) 176aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(!Locks::thread_list_lock_, 177aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier !Locks::classlinker_classes_lock_, 17890443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier !deoptimized_methods_lock_); 179138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 180138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Deoptimize a method by forcing its execution with the interpreter. Nevertheless, a static 181138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // method (except a class initializer) set to the resolution trampoline will be deoptimized only 182138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // once its declaring class is initialized. 183e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier void Deoptimize(ArtMethod* method) 18490443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier REQUIRES(Locks::mutator_lock_, !Locks::thread_list_lock_, !deoptimized_methods_lock_); 185138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 186138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Undeoptimze the method by restoring its entrypoints. Nevertheless, a static method 187138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // (except a class initializer) set to the resolution trampoline will be updated only once its 188138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // declaring class is initialized. 189e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier void Undeoptimize(ArtMethod* method) 19090443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier REQUIRES(Locks::mutator_lock_, !Locks::thread_list_lock_, !deoptimized_methods_lock_); 191138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 1920462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz // Indicates whether the method has been deoptimized so it is executed with the interpreter. 193e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier bool IsDeoptimized(ArtMethod* method) 19490443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier REQUIRES(!deoptimized_methods_lock_) SHARED_REQUIRES(Locks::mutator_lock_); 195138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 1960462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz // Enable method tracing by installing instrumentation entry/exit stubs or interpreter. 1970462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz void EnableMethodTracing(const char* key, 1980462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz bool needs_interpreter = kDeoptimizeForAccurateMethodEntryExitListeners) 199aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(Locks::mutator_lock_, Roles::uninterruptible_) 200aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(!Locks::thread_list_lock_, 201aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier !Locks::classlinker_classes_lock_, 20290443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier !deoptimized_methods_lock_); 203138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 2040462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz // Disable method tracing by uninstalling instrumentation entry/exit stubs or interpreter. 2050462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz void DisableMethodTracing(const char* key) 206aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(Locks::mutator_lock_, Roles::uninterruptible_) 207aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(!Locks::thread_list_lock_, 208aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier !Locks::classlinker_classes_lock_, 20990443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier !deoptimized_methods_lock_); 210138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 211ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz InterpreterHandlerTable GetInterpreterHandlerTable() const 21290443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) { 213ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz return interpreter_handler_table_; 214ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz } 215ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 21690443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier void InstrumentQuickAllocEntryPoints() REQUIRES(!Locks::instrument_entrypoints_lock_); 21790443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier void UninstrumentQuickAllocEntryPoints() REQUIRES(!Locks::instrument_entrypoints_lock_); 2189ef78b59da51080882e47505896b420977fd79aeMathieu Chartier void InstrumentQuickAllocEntryPointsLocked() 21990443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier REQUIRES(Locks::instrument_entrypoints_lock_, !Locks::thread_list_lock_, 22090443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier !Locks::runtime_shutdown_lock_); 2219ef78b59da51080882e47505896b420977fd79aeMathieu Chartier void UninstrumentQuickAllocEntryPointsLocked() 22290443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier REQUIRES(Locks::instrument_entrypoints_lock_, !Locks::thread_list_lock_, 22390443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier !Locks::runtime_shutdown_lock_); 22490443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier void ResetQuickAllocEntryPoints() REQUIRES(Locks::runtime_shutdown_lock_); 225fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers 22662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Update the code of a method respecting any installed stubs. 227e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier void UpdateMethodsCode(ArtMethod* method, const void* quick_code) 22890443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) REQUIRES(!deoptimized_methods_lock_); 22962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 2304ba674b914f24f2baf42769401cff43f8261abd6Mingyao Yang // Update the code of a method respecting any installed stubs from debugger. 2314ba674b914f24f2baf42769401cff43f8261abd6Mingyao Yang void UpdateMethodsCodeFromDebugger(ArtMethod* method, const void* quick_code) 2324ba674b914f24f2baf42769401cff43f8261abd6Mingyao Yang SHARED_REQUIRES(Locks::mutator_lock_) REQUIRES(!deoptimized_methods_lock_); 2334ba674b914f24f2baf42769401cff43f8261abd6Mingyao Yang 23462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Get the quick code for the given method. More efficient than asking the class linker as it 23562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // will short-cut to GetCode if instrumentation and static method resolution stubs aren't 23662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // installed. 237e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier const void* GetQuickCodeFor(ArtMethod* method, size_t pointer_size) const 23890443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 23962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 24062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void ForceInterpretOnly() { 24162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers interpret_only_ = true; 24262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers forced_interpret_only_ = true; 24362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 24462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 245ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom // Called by ArtMethod::Invoke to determine dispatch mechanism. 24662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool InterpretOnly() const { 24762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return interpret_only_; 24862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 24962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 250563b47cc142e477da244539b1d63070425e7fd78Hiroshi Yamauchi bool IsForcedInterpretOnly() const { 251563b47cc142e477da244539b1d63070425e7fd78Hiroshi Yamauchi return forced_interpret_only_; 252563b47cc142e477da244539b1d63070425e7fd78Hiroshi Yamauchi } 253563b47cc142e477da244539b1d63070425e7fd78Hiroshi Yamauchi 2546ea1a0e2168c8d9b6d97c075c73a72d84080f45bMingyao Yang // Code is in boot image oat file which isn't compiled as debuggable. 2556ea1a0e2168c8d9b6d97c075c73a72d84080f45bMingyao Yang // Need debug version (interpreter or jitted) if that's the case. 2566ea1a0e2168c8d9b6d97c075c73a72d84080f45bMingyao Yang bool NeedDebugVersionForBootImageCode(ArtMethod* method, const void* code) const 2576ea1a0e2168c8d9b6d97c075c73a72d84080f45bMingyao Yang SHARED_REQUIRES(Locks::mutator_lock_); 2586ea1a0e2168c8d9b6d97c075c73a72d84080f45bMingyao Yang 25962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool AreExitStubsInstalled() const { 26062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return instrumentation_stubs_installed_; 26162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 26262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 26390443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier bool HasMethodEntryListeners() const SHARED_REQUIRES(Locks::mutator_lock_) { 26474109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz return have_method_entry_listeners_; 26574109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz } 26674109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz 26790443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier bool HasMethodExitListeners() const SHARED_REQUIRES(Locks::mutator_lock_) { 26874109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz return have_method_exit_listeners_; 26974109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz } 27074109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz 27190443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier bool HasMethodUnwindListeners() const SHARED_REQUIRES(Locks::mutator_lock_) { 2720462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz return have_method_unwind_listeners_; 2730462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz } 2740462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz 27590443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier bool HasDexPcListeners() const SHARED_REQUIRES(Locks::mutator_lock_) { 27674109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz return have_dex_pc_listeners_; 27774109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz } 27874109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz 27990443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier bool HasFieldReadListeners() const SHARED_REQUIRES(Locks::mutator_lock_) { 2803f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return have_field_read_listeners_; 2813f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 2823f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 28390443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier bool HasFieldWriteListeners() const SHARED_REQUIRES(Locks::mutator_lock_) { 2843f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return have_field_write_listeners_; 2853f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 2863f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 28790443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier bool HasExceptionCaughtListeners() const SHARED_REQUIRES(Locks::mutator_lock_) { 2889f1020305292a21fd14a402b189c765a125226abSebastien Hertz return have_exception_caught_listeners_; 2899f1020305292a21fd14a402b189c765a125226abSebastien Hertz } 2909f1020305292a21fd14a402b189c765a125226abSebastien Hertz 29181f0f953c4bb159997046c962d44cb1898b1778dNicolas Geoffray bool HasBranchListeners() const SHARED_REQUIRES(Locks::mutator_lock_) { 29281f0f953c4bb159997046c962d44cb1898b1778dNicolas Geoffray return have_branch_listeners_; 293e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 294e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 2955550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray bool HasInvokeVirtualOrInterfaceListeners() const SHARED_REQUIRES(Locks::mutator_lock_) { 2965550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray return have_invoke_virtual_or_interface_listeners_; 2975550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray } 2985550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray 29990443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier bool IsActive() const SHARED_REQUIRES(Locks::mutator_lock_) { 300ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz return have_dex_pc_listeners_ || have_method_entry_listeners_ || have_method_exit_listeners_ || 30142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz have_field_read_listeners_ || have_field_write_listeners_ || 302fd522f9039befff986701ff05054ffdd1be1dd33Bill Buzbee have_exception_caught_listeners_ || have_method_unwind_listeners_ || 303fd522f9039befff986701ff05054ffdd1be1dd33Bill Buzbee have_branch_listeners_ || have_invoke_virtual_or_interface_listeners_; 304fd522f9039befff986701ff05054ffdd1be1dd33Bill Buzbee } 305fd522f9039befff986701ff05054ffdd1be1dd33Bill Buzbee 306fd522f9039befff986701ff05054ffdd1be1dd33Bill Buzbee // Any instrumentation *other* than what is needed for Jit profiling active? 307fd522f9039befff986701ff05054ffdd1be1dd33Bill Buzbee bool NonJitProfilingActive() const SHARED_REQUIRES(Locks::mutator_lock_) { 308fd522f9039befff986701ff05054ffdd1be1dd33Bill Buzbee return have_dex_pc_listeners_ || have_method_exit_listeners_ || 309fd522f9039befff986701ff05054ffdd1be1dd33Bill Buzbee have_field_read_listeners_ || have_field_write_listeners_ || 3101d011d9306fd4ff57d72411775d415a86f5ed398Bill Buzbee have_exception_caught_listeners_ || have_method_unwind_listeners_ || 3111d011d9306fd4ff57d72411775d415a86f5ed398Bill Buzbee have_branch_listeners_; 312ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz } 313ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 31462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that a method has been entered. A dex PC is provided as we may install 31562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // listeners into executing code and get method enter events for methods already on the stack. 31662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodEnterEvent(Thread* thread, mirror::Object* this_object, 317e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc) const 31890443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) { 31974109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz if (UNLIKELY(HasMethodEntryListeners())) { 32062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers MethodEnterEventImpl(thread, this_object, method, dex_pc); 32162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 32262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 32362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 32462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that a method has been exited. 32562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodExitEvent(Thread* thread, mirror::Object* this_object, 326e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc, 32762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers const JValue& return_value) const 32890443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) { 32974109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz if (UNLIKELY(HasMethodExitListeners())) { 33062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers MethodExitEventImpl(thread, this_object, method, dex_pc, return_value); 33162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 33262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 33362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 33462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that a method has been exited due to an exception. 33562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodUnwindEvent(Thread* thread, mirror::Object* this_object, 336e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc) const 33790443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 33862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 33962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that the dex pc has moved (only supported by the interpreter). 34062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void DexPcMovedEvent(Thread* thread, mirror::Object* this_object, 341e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc) const 34290443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) { 34374109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz if (UNLIKELY(HasDexPcListeners())) { 34462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers DexPcMovedEventImpl(thread, this_object, method, dex_pc); 34562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 34662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 347725a957985171d712d5c048cc3d00ff14968784bjeffhao 34881f0f953c4bb159997046c962d44cb1898b1778dNicolas Geoffray // Inform listeners that a branch has been taken (only supported by the interpreter). 34981f0f953c4bb159997046c962d44cb1898b1778dNicolas Geoffray void Branch(Thread* thread, ArtMethod* method, uint32_t dex_pc, int32_t offset) const 35090443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) { 35181f0f953c4bb159997046c962d44cb1898b1778dNicolas Geoffray if (UNLIKELY(HasBranchListeners())) { 35281f0f953c4bb159997046c962d44cb1898b1778dNicolas Geoffray BranchImpl(thread, method, dex_pc, offset); 353e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 354e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 355e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 3563f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Inform listeners that we read a field (only supported by the interpreter). 3573f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldReadEvent(Thread* thread, mirror::Object* this_object, 358e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc, 359c785344b87221f5e4e6473e5b762e4e61fe65dcfMathieu Chartier ArtField* field) const 36090443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) { 3613f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (UNLIKELY(HasFieldReadListeners())) { 3623f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz FieldReadEventImpl(thread, this_object, method, dex_pc, field); 3633f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 3643f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 3653f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 3663f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Inform listeners that we write a field (only supported by the interpreter). 3673f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldWriteEvent(Thread* thread, mirror::Object* this_object, 368e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc, 369c785344b87221f5e4e6473e5b762e4e61fe65dcfMathieu Chartier ArtField* field, const JValue& field_value) const 37090443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) { 3713f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (UNLIKELY(HasFieldWriteListeners())) { 3723f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz FieldWriteEventImpl(thread, this_object, method, dex_pc, field, field_value); 3733f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 3743f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 3753f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 3765550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray void InvokeVirtualOrInterface(Thread* thread, 3775550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray mirror::Object* this_object, 3785550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray ArtMethod* caller, 3795550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray uint32_t dex_pc, 3805550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray ArtMethod* callee) const 3815550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray SHARED_REQUIRES(Locks::mutator_lock_) { 3825550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray if (UNLIKELY(HasInvokeVirtualOrInterfaceListeners())) { 3835550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray InvokeVirtualOrInterfaceImpl(thread, this_object, caller, dex_pc, callee); 3845550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray } 3855550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray } 3865550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray 38762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that an exception was caught. 38814691c5e786e8c2c5734f687e4c96217340771beNicolas Geoffray void ExceptionCaughtEvent(Thread* thread, mirror::Throwable* exception_object) const 38990443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 390725a957985171d712d5c048cc3d00ff14968784bjeffhao 39162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Called when an instrumented method is entered. The intended link register (lr) is saved so 39262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // that returning causes a branch to the method exit stub. Generates method enter events. 39362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void PushInstrumentationStackFrame(Thread* self, mirror::Object* this_object, 394e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uintptr_t lr, 3959a916d3c0d0574d106c764e737c67b52988d6139Jeff Hao bool interpreter_entry) 39690443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 397725a957985171d712d5c048cc3d00ff14968784bjeffhao 39862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Called when an instrumented method is exited. Removes the pushed instrumentation frame 39962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // returning the intended link register. Generates method exit events. 400d58342caa97108ba413bad467c285c0377f138f5Andreas Gampe TwoWordReturn PopInstrumentationStackFrame(Thread* self, uintptr_t* return_pc, 401d58342caa97108ba413bad467c285c0377f138f5Andreas Gampe uint64_t gpr_result, uint64_t fpr_result) 40290443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) REQUIRES(!deoptimized_methods_lock_); 403725a957985171d712d5c048cc3d00ff14968784bjeffhao 40462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Pops an instrumentation frame from the current thread and generate an unwind event. 40562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void PopMethodForUnwind(Thread* self, bool is_deoptimization) const 40690443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 40762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 40862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call back for configure stubs. 40990443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier void InstallStubsForClass(mirror::Class* klass) SHARED_REQUIRES(Locks::mutator_lock_) 41090443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier REQUIRES(!deoptimized_methods_lock_); 411725a957985171d712d5c048cc3d00ff14968784bjeffhao 412e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier void InstallStubsForMethod(ArtMethod* method) 41390443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) REQUIRES(!deoptimized_methods_lock_); 414138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 41599170c636dfae4908b102347cfe9f92bad1881ccMingyao Yang // Install instrumentation exit stub on every method of the stack of the given thread. 41699170c636dfae4908b102347cfe9f92bad1881ccMingyao Yang // This is used by the debugger to cause a deoptimization of the thread's stack after updating 41799170c636dfae4908b102347cfe9f92bad1881ccMingyao Yang // local variable(s). 41899170c636dfae4908b102347cfe9f92bad1881ccMingyao Yang void InstrumentThreadStack(Thread* thread) 41999170c636dfae4908b102347cfe9f92bad1881ccMingyao Yang SHARED_REQUIRES(Locks::mutator_lock_) 42099170c636dfae4908b102347cfe9f92bad1881ccMingyao Yang REQUIRES(!Locks::thread_list_lock_); 42199170c636dfae4908b102347cfe9f92bad1881ccMingyao Yang 422b2feaafd89813af69c65da95e0b51b1a4cecaf0bSebastien Hertz static size_t ComputeFrameId(Thread* self, 423b2feaafd89813af69c65da95e0b51b1a4cecaf0bSebastien Hertz size_t frame_depth, 424b2feaafd89813af69c65da95e0b51b1a4cecaf0bSebastien Hertz size_t inlined_frames_before_frame) 425b2feaafd89813af69c65da95e0b51b1a4cecaf0bSebastien Hertz SHARED_REQUIRES(Locks::mutator_lock_); 426b2feaafd89813af69c65da95e0b51b1a4cecaf0bSebastien Hertz 427eebc3af4453f5c1fb5fd80c710cfd49566080d28Mathieu Chartier // Does not hold lock, used to check if someone changed from not instrumented to instrumented 428eebc3af4453f5c1fb5fd80c710cfd49566080d28Mathieu Chartier // during a GC suspend point. 429eebc3af4453f5c1fb5fd80c710cfd49566080d28Mathieu Chartier bool AllocEntrypointsInstrumented() const SHARED_REQUIRES(Locks::mutator_lock_) { 43050e933188d993c6eb67560db1fcad67ba1d182e1Mathieu Chartier return alloc_entrypoints_instrumented_; 431eebc3af4453f5c1fb5fd80c710cfd49566080d28Mathieu Chartier } 432eebc3af4453f5c1fb5fd80c710cfd49566080d28Mathieu Chartier 433725a957985171d712d5c048cc3d00ff14968784bjeffhao private: 4340462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz InstrumentationLevel GetCurrentInstrumentationLevel() const; 4350462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz 43662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Does the job of installing or removing instrumentation code within methods. 4370462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz // In order to support multiple clients using instrumentation at the same time, 4380462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz // the caller must pass a unique key (a string) identifying it so we remind which 4390462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz // instrumentation level it needs. Therefore the current instrumentation level 4400462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz // becomes the highest instrumentation level required by a client. 4410462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz void ConfigureStubs(const char* key, InstrumentationLevel desired_instrumentation_level) 442aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(Locks::mutator_lock_, Roles::uninterruptible_) 443aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier REQUIRES(!deoptimized_methods_lock_, 444aa5168291c46f9b418d989bccf2d8e09338a83e6Mathieu Chartier !Locks::thread_list_lock_, 44590443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier !Locks::classlinker_classes_lock_); 44662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 44790443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier void UpdateInterpreterHandlerTable() REQUIRES(Locks::mutator_lock_) { 4481452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee /* 4491452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee * TUNING: Dalvik's mterp stashes the actual current handler table base in a 4501452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee * tls field. For Arm, this enables all suspend, debug & tracing checks to be 4511452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee * collapsed into a single conditionally-executed ldw instruction. 4521452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee * Move to Dalvik-style handler-table management for both the goto interpreter and 4531452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee * mterp. 4541452bee8f06b9f76a333ddf4760e4beaa82f8099buzbee */ 455ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz interpreter_handler_table_ = IsActive() ? kAlternativeHandlerTable : kMainHandlerTable; 456ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz } 457ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 458661974a5561e5ccdfbac8cb5d8df8b7e6f3483b8Mathieu Chartier // No thread safety analysis to get around SetQuickAllocEntryPointsInstrumented requiring 459661974a5561e5ccdfbac8cb5d8df8b7e6f3483b8Mathieu Chartier // exclusive access to mutator lock which you can't get if the runtime isn't started. 4609ef78b59da51080882e47505896b420977fd79aeMathieu Chartier void SetEntrypointsInstrumented(bool instrumented) NO_THREAD_SAFETY_ANALYSIS; 461661974a5561e5ccdfbac8cb5d8df8b7e6f3483b8Mathieu Chartier 46262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodEnterEventImpl(Thread* thread, mirror::Object* this_object, 463e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc) const 46490443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 46562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodExitEventImpl(Thread* thread, mirror::Object* this_object, 466e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, 46762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers uint32_t dex_pc, const JValue& return_value) const 46890443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 46962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void DexPcMovedEventImpl(Thread* thread, mirror::Object* this_object, 470e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc) const 47190443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 47281f0f953c4bb159997046c962d44cb1898b1778dNicolas Geoffray void BranchImpl(Thread* thread, ArtMethod* method, uint32_t dex_pc, int32_t offset) const 47390443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 4745550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray void InvokeVirtualOrInterfaceImpl(Thread* thread, 4755550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray mirror::Object* this_object, 4765550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray ArtMethod* caller, 4775550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray uint32_t dex_pc, 4785550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray ArtMethod* callee) const 4795550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray SHARED_REQUIRES(Locks::mutator_lock_); 4803f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldReadEventImpl(Thread* thread, mirror::Object* this_object, 481e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc, 482c785344b87221f5e4e6473e5b762e4e61fe65dcfMathieu Chartier ArtField* field) const 48390443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 4843f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldWriteEventImpl(Thread* thread, mirror::Object* this_object, 485e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method, uint32_t dex_pc, 486c785344b87221f5e4e6473e5b762e4e61fe65dcfMathieu Chartier ArtField* field, const JValue& field_value) const 48790443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_); 48862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 489799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi // Read barrier-aware utility functions for accessing deoptimized_methods_ 490e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier bool AddDeoptimizedMethod(ArtMethod* method) 49190443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) REQUIRES(deoptimized_methods_lock_); 492e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier bool IsDeoptimizedMethod(ArtMethod* method) 49390443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_, deoptimized_methods_lock_); 494e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier bool RemoveDeoptimizedMethod(ArtMethod* method) 49590443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_) REQUIRES(deoptimized_methods_lock_); 496e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* BeginDeoptimizedMethod() 49790443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_, deoptimized_methods_lock_); 498799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi bool IsDeoptimizedMethodsEmpty() const 49990443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier SHARED_REQUIRES(Locks::mutator_lock_, deoptimized_methods_lock_); 5004ba674b914f24f2baf42769401cff43f8261abd6Mingyao Yang void UpdateMethodsCodeImpl(ArtMethod* method, const void* quick_code) 5014ba674b914f24f2baf42769401cff43f8261abd6Mingyao Yang SHARED_REQUIRES(Locks::mutator_lock_) REQUIRES(!deoptimized_methods_lock_); 5024ba674b914f24f2baf42769401cff43f8261abd6Mingyao Yang 503799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi 504ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom // Have we hijacked ArtMethod::code_ so that it calls instrumentation/interpreter code? 50562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool instrumentation_stubs_installed_; 50662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 507ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom // Have we hijacked ArtMethod::code_ to reference the enter/exit stubs? 50862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool entry_exit_stubs_installed_; 50962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 510ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom // Have we hijacked ArtMethod::code_ to reference the enter interpreter stub? 51162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool interpreter_stubs_installed_; 51262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 51362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we need the fidelity of events that we only get from running within the interpreter? 51462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool interpret_only_; 515725a957985171d712d5c048cc3d00ff14968784bjeffhao 51662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Did the runtime request we only run in the interpreter? ie -Xint mode. 51762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool forced_interpret_only_; 518725a957985171d712d5c048cc3d00ff14968784bjeffhao 51962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any listeners for method entry events? Short-cut to avoid taking the 52062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // instrumentation_lock_. 521ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_method_entry_listeners_ GUARDED_BY(Locks::mutator_lock_); 52262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 52362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any listeners for method exit events? Short-cut to avoid taking the 52462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // instrumentation_lock_. 525ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_method_exit_listeners_ GUARDED_BY(Locks::mutator_lock_); 52662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 52762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any listeners for method unwind events? Short-cut to avoid taking the 52862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // instrumentation_lock_. 529ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_method_unwind_listeners_ GUARDED_BY(Locks::mutator_lock_); 53062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 53162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any listeners for dex move events? Short-cut to avoid taking the 53262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // instrumentation_lock_. 533ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_dex_pc_listeners_ GUARDED_BY(Locks::mutator_lock_); 53462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 5353f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Do we have any listeners for field read events? Short-cut to avoid taking the 5363f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // instrumentation_lock_. 537ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_field_read_listeners_ GUARDED_BY(Locks::mutator_lock_); 5383f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 5393f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Do we have any listeners for field write events? Short-cut to avoid taking the 5403f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // instrumentation_lock_. 541ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_field_write_listeners_ GUARDED_BY(Locks::mutator_lock_); 5423f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 54362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any exception caught listeners? Short-cut to avoid taking the instrumentation_lock_. 544ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_exception_caught_listeners_ GUARDED_BY(Locks::mutator_lock_); 54562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 54681f0f953c4bb159997046c962d44cb1898b1778dNicolas Geoffray // Do we have any branch listeners? Short-cut to avoid taking the instrumentation_lock_. 54781f0f953c4bb159997046c962d44cb1898b1778dNicolas Geoffray bool have_branch_listeners_ GUARDED_BY(Locks::mutator_lock_); 548e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 5495550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray // Do we have any invoke listeners? Short-cut to avoid taking the instrumentation_lock_. 5505550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray bool have_invoke_virtual_or_interface_listeners_ GUARDED_BY(Locks::mutator_lock_); 5515550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray 5520462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz // Contains the instrumentation level required by each client of the instrumentation identified 5530462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz // by a string key. 5540462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz typedef SafeMap<const char*, InstrumentationLevel> InstrumentationLevelTable; 5550462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz InstrumentationLevelTable requested_instrumentation_levels_ GUARDED_BY(Locks::mutator_lock_); 5560462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz 55762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // The event listeners, written to with the mutator_lock_ exclusively held. 558514a616fd434212815bdd49cc1e2786817395969Nicolas Geoffray // Mutators must be able to iterate over these lists concurrently, that is, with listeners being 559514a616fd434212815bdd49cc1e2786817395969Nicolas Geoffray // added or removed while iterating. The modifying thread holds exclusive lock, 560514a616fd434212815bdd49cc1e2786817395969Nicolas Geoffray // so other threads cannot iterate (i.e. read the data of the list) at the same time but they 561514a616fd434212815bdd49cc1e2786817395969Nicolas Geoffray // do keep iterators that need to remain valid. This is the reason these listeners are std::list 562514a616fd434212815bdd49cc1e2786817395969Nicolas Geoffray // and not for example std::vector: the existing storage for a std::list does not move. 563514a616fd434212815bdd49cc1e2786817395969Nicolas Geoffray // Note that mutators cannot make a copy of these lists before iterating, as the instrumentation 564514a616fd434212815bdd49cc1e2786817395969Nicolas Geoffray // listeners can also be deleted concurrently. 565514a616fd434212815bdd49cc1e2786817395969Nicolas Geoffray // As a result, these lists are never trimmed. That's acceptable given the low number of 566514a616fd434212815bdd49cc1e2786817395969Nicolas Geoffray // listeners we have. 56762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers std::list<InstrumentationListener*> method_entry_listeners_ GUARDED_BY(Locks::mutator_lock_); 56862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers std::list<InstrumentationListener*> method_exit_listeners_ GUARDED_BY(Locks::mutator_lock_); 56962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers std::list<InstrumentationListener*> method_unwind_listeners_ GUARDED_BY(Locks::mutator_lock_); 57081f0f953c4bb159997046c962d44cb1898b1778dNicolas Geoffray std::list<InstrumentationListener*> branch_listeners_ GUARDED_BY(Locks::mutator_lock_); 5715550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray std::list<InstrumentationListener*> invoke_virtual_or_interface_listeners_ 5725550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray GUARDED_BY(Locks::mutator_lock_); 573514a616fd434212815bdd49cc1e2786817395969Nicolas Geoffray std::list<InstrumentationListener*> dex_pc_listeners_ GUARDED_BY(Locks::mutator_lock_); 574514a616fd434212815bdd49cc1e2786817395969Nicolas Geoffray std::list<InstrumentationListener*> field_read_listeners_ GUARDED_BY(Locks::mutator_lock_); 575514a616fd434212815bdd49cc1e2786817395969Nicolas Geoffray std::list<InstrumentationListener*> field_write_listeners_ GUARDED_BY(Locks::mutator_lock_); 576514a616fd434212815bdd49cc1e2786817395969Nicolas Geoffray std::list<InstrumentationListener*> exception_caught_listeners_ GUARDED_BY(Locks::mutator_lock_); 577725a957985171d712d5c048cc3d00ff14968784bjeffhao 578138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // The set of methods being deoptimized (by the debugger) which must be executed with interpreter 579138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // only. 5803b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier mutable ReaderWriterMutex deoptimized_methods_lock_ DEFAULT_MUTEX_ACQUIRED_AFTER; 581e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier std::unordered_set<ArtMethod*> deoptimized_methods_ GUARDED_BY(deoptimized_methods_lock_); 58211d40c250ec86c784cf76b8c31e1cf9285d555dcSebastien Hertz bool deoptimization_enabled_; 583138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 584fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers // Current interpreter handler table. This is updated each time the thread state flags are 585fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers // modified. 586ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz InterpreterHandlerTable interpreter_handler_table_ GUARDED_BY(Locks::mutator_lock_); 587ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 588fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers // Greater than 0 if quick alloc entry points instrumented. 589eebc3af4453f5c1fb5fd80c710cfd49566080d28Mathieu Chartier size_t quick_alloc_entry_points_instrumentation_counter_; 59050e933188d993c6eb67560db1fcad67ba1d182e1Mathieu Chartier 59150e933188d993c6eb67560db1fcad67ba1d182e1Mathieu Chartier // alloc_entrypoints_instrumented_ is only updated with all the threads suspended, this is done 59250e933188d993c6eb67560db1fcad67ba1d182e1Mathieu Chartier // to prevent races with the GC where the GC relies on thread suspension only see 59350e933188d993c6eb67560db1fcad67ba1d182e1Mathieu Chartier // alloc_entrypoints_instrumented_ change during suspend points. 59450e933188d993c6eb67560db1fcad67ba1d182e1Mathieu Chartier bool alloc_entrypoints_instrumented_; 59550e933188d993c6eb67560db1fcad67ba1d182e1Mathieu Chartier 5960462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz friend class InstrumentationTest; // For GetCurrentInstrumentationLevel and ConfigureStubs. 5970462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertz 598725a957985171d712d5c048cc3d00ff14968784bjeffhao DISALLOW_COPY_AND_ASSIGN(Instrumentation); 599725a957985171d712d5c048cc3d00ff14968784bjeffhao}; 6006a3c1fcb4ba42ad4d5d142c17a3712a6ddd3866fIan Rogersstd::ostream& operator<<(std::ostream& os, const Instrumentation::InstrumentationEvent& rhs); 6010462c4c87c39db6cfcd338f323844738109ac3c9Sebastien Hertzstd::ostream& operator<<(std::ostream& os, const Instrumentation::InstrumentationLevel& rhs); 602725a957985171d712d5c048cc3d00ff14968784bjeffhao 60362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// An element in the instrumentation side stack maintained in art::Thread. 60462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersstruct InstrumentationStackFrame { 605e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier InstrumentationStackFrame(mirror::Object* this_object, ArtMethod* method, 6069a916d3c0d0574d106c764e737c67b52988d6139Jeff Hao uintptr_t return_pc, size_t frame_id, bool interpreter_entry) 6079a916d3c0d0574d106c764e737c67b52988d6139Jeff Hao : this_object_(this_object), method_(method), return_pc_(return_pc), frame_id_(frame_id), 6089a916d3c0d0574d106c764e737c67b52988d6139Jeff Hao interpreter_entry_(interpreter_entry) { 60962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 61062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 61190443477f9a0061581c420775ce3b7eeae7468bcMathieu Chartier std::string Dump() const SHARED_REQUIRES(Locks::mutator_lock_); 61262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 61362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Object* this_object_; 614e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier ArtMethod* method_; 615138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz uintptr_t return_pc_; 616138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz size_t frame_id_; 617138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz bool interpreter_entry_; 61862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers}; 61962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 62062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers} // namespace instrumentation 621725a957985171d712d5c048cc3d00ff14968784bjeffhao} // namespace art 622725a957985171d712d5c048cc3d00ff14968784bjeffhao 623fc0e3219edc9a5bf81b166e82fd5db2796eb6a0dBrian Carlstrom#endif // ART_RUNTIME_INSTRUMENTATION_H_ 624