instrumentation.h revision c785344b87221f5e4e6473e5b762e4e61fe65dcf
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> 22799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi#include <map> 23576ca0cd692c0b6ae70e776de91015b8ff000a08Ian Rogers 24d582fa4ea62083a7598dded5b82dc2198b3daac7Ian Rogers#include "arch/instruction_set.h" 25ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers#include "atomic.h" 26761600567d73b23324ae0251e871c15d6849ffd8Elliott Hughes#include "base/macros.h" 27719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers#include "base/mutex.h" 2894f7b49578b6aaa80de8ffed230648d601393905Hiroshi Yamauchi#include "gc_root.h" 293b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier#include "object_callbacks.h" 302dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers 31725a957985171d712d5c048cc3d00ff14968784bjeffhaonamespace art { 322dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersnamespace mirror { 33ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom class ArtMethod; 34ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom class Class; 35ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom class Object; 36ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom class Throwable; 3762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers} // namespace mirror 38c785344b87221f5e4e6473e5b762e4e61fe65dcfMathieu Chartierclass ArtField; 3962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersunion JValue; 40725a957985171d712d5c048cc3d00ff14968784bjeffhaoclass Thread; 41725a957985171d712d5c048cc3d00ff14968784bjeffhao 4262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersnamespace instrumentation { 43725a957985171d712d5c048cc3d00ff14968784bjeffhao 44ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz// Interpreter handler tables. 45ee1997a3b83334985e757f369c09e111b121661bSebastien Hertzenum InterpreterHandlerTable { 46ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz kMainHandlerTable = 0, // Main handler table: no suspend check, no instrumentation. 47ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz kAlternativeHandlerTable = 1, // Alternative handler table: suspend check and/or instrumentation 48ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz // enabled. 49ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz kNumHandlerTables 50ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz}; 51ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 5262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// Instrumentation event listener API. Registered listeners will get the appropriate call back for 5362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// the events they are listening for. The call backs supply the thread, method and dex_pc the event 5462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// occurred upon. The thread may or may not be Thread::Current(). 5562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersstruct InstrumentationListener { 5662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers InstrumentationListener() {} 5762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual ~InstrumentationListener() {} 5862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 5962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call-back for when a method is entered. 6062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual void MethodEntered(Thread* thread, mirror::Object* this_object, 61ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, 6262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers uint32_t dex_pc) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) = 0; 6362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 6462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call-back for when a method is exited. 6562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // TODO: its likely passing the return value would be useful, however, we may need to get and 6662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // parse the shorty to determine what kind of register holds the result. 6762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual void MethodExited(Thread* thread, mirror::Object* this_object, 68ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc, 6962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers const JValue& return_value) 7062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) = 0; 7162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 7262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call-back for when a method is popped due to an exception throw. A method will either cause a 7362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // MethodExited call-back or a MethodUnwind call-back when its activation is removed. 7451db44a194bafc3810a41164a8b39614f10e79dfSebastien Hertz virtual void MethodUnwind(Thread* thread, mirror::Object* this_object, 75ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc) 7651db44a194bafc3810a41164a8b39614f10e79dfSebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) = 0; 7762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 7862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call-back for when the dex pc moves in a method. 7962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual void DexPcMoved(Thread* thread, mirror::Object* this_object, 80ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t new_dex_pc) 8162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) = 0; 8262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 833f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Call-back for when we read from a field. 843f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz virtual void FieldRead(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 85c785344b87221f5e4e6473e5b762e4e61fe65dcfMathieu Chartier uint32_t dex_pc, ArtField* field) = 0; 863f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 873f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Call-back for when we write into a field. 883f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz virtual void FieldWritten(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 89c785344b87221f5e4e6473e5b762e4e61fe65dcfMathieu Chartier uint32_t dex_pc, ArtField* field, const JValue& field_value) = 0; 903f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 9162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call-back when an exception is caught. 9214691c5e786e8c2c5734f687e4c96217340771beNicolas Geoffray virtual void ExceptionCaught(Thread* thread, mirror::Throwable* exception_object) 9362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) = 0; 94e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 95e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier // Call-back for when we get a backward branch. 96e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier virtual void BackwardBranch(Thread* thread, mirror::ArtMethod* method, int32_t dex_pc_offset) 97e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) = 0; 98725a957985171d712d5c048cc3d00ff14968784bjeffhao}; 99725a957985171d712d5c048cc3d00ff14968784bjeffhao 10062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// Instrumentation is a catch-all for when extra information is required from the runtime. The 10162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// typical use for instrumentation is for profiling and debugging. Instrumentation may add stubs 10262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// to method entry and exit, it may also force execution to be switched to the interpreter and 10362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// trigger deoptimization. 104725a957985171d712d5c048cc3d00ff14968784bjeffhaoclass Instrumentation { 105725a957985171d712d5c048cc3d00ff14968784bjeffhao public: 10662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers enum InstrumentationEvent { 107e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kMethodEntered = 0x1, 108e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kMethodExited = 0x2, 109e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kMethodUnwind = 0x4, 110e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kDexPcMoved = 0x8, 111e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kFieldRead = 0x10, 112e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kFieldWritten = 0x20, 113e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kExceptionCaught = 0x40, 114e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kBackwardBranch = 0x80, 11562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers }; 11662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 1173b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier Instrumentation(); 11862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 11962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Add a listener to be notified of the masked together sent of instrumentation events. This 12062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // suspend the runtime to install stubs. You are expected to hold the mutator lock as a proxy 12162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // for saying you should have suspended all threads (installing stubs while threads are running 12262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // will break). 12362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void AddListener(InstrumentationListener* listener, uint32_t events) 12462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 12562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::classlinker_classes_lock_); 12662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 12762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Removes a listener possibly removing instrumentation stubs. 12862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void RemoveListener(InstrumentationListener* listener, uint32_t events) 12962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 13062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::classlinker_classes_lock_); 13162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 132138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Deoptimization. 133a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz void EnableDeoptimization() 134a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 1353b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier LOCKS_EXCLUDED(deoptimized_methods_lock_); 136a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz void DisableDeoptimization() 137a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 1384d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz LOCKS_EXCLUDED(deoptimized_methods_lock_); 139a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz bool AreAllMethodsDeoptimized() const { 140a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return interpreter_stubs_installed_; 141a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 14211d40c250ec86c784cf76b8c31e1cf9285d555dcSebastien Hertz bool ShouldNotifyMethodEnterExitEvents() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 143138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 144138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Executes everything with interpreter. 145138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz void DeoptimizeEverything() 146138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 147138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::classlinker_classes_lock_); 148138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 149138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Executes everything with compiled code (or interpreter if there is no code). 150138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz void UndeoptimizeEverything() 151138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 152138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::classlinker_classes_lock_); 153138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 154138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Deoptimize a method by forcing its execution with the interpreter. Nevertheless, a static 155138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // method (except a class initializer) set to the resolution trampoline will be deoptimized only 156138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // once its declaring class is initialized. 157138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz void Deoptimize(mirror::ArtMethod* method) 1583b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier LOCKS_EXCLUDED(Locks::thread_list_lock_, deoptimized_methods_lock_) 159138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_); 160138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 161138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Undeoptimze the method by restoring its entrypoints. Nevertheless, a static method 162138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // (except a class initializer) set to the resolution trampoline will be updated only once its 163138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // declaring class is initialized. 164138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz void Undeoptimize(mirror::ArtMethod* method) 1654d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz LOCKS_EXCLUDED(Locks::thread_list_lock_, deoptimized_methods_lock_) 166138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_); 167138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 168799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi bool IsDeoptimized(mirror::ArtMethod* method) 169799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi LOCKS_EXCLUDED(deoptimized_methods_lock_) 170799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 171138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 172138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Enable method tracing by installing instrumentation entry/exit stubs. 173138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz void EnableMethodTracing() 174138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 175138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::classlinker_classes_lock_); 176138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 177138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Disable method tracing by uninstalling instrumentation entry/exit stubs. 178138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz void DisableMethodTracing() 179138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 180138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::classlinker_classes_lock_); 181138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 182ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz InterpreterHandlerTable GetInterpreterHandlerTable() const 183ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 184ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz return interpreter_handler_table_; 185ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz } 186ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 1879ef78b59da51080882e47505896b420977fd79aeMathieu Chartier void InstrumentQuickAllocEntryPoints() LOCKS_EXCLUDED(Locks::instrument_entrypoints_lock_); 1889ef78b59da51080882e47505896b420977fd79aeMathieu Chartier void UninstrumentQuickAllocEntryPoints() LOCKS_EXCLUDED(Locks::instrument_entrypoints_lock_); 1899ef78b59da51080882e47505896b420977fd79aeMathieu Chartier void InstrumentQuickAllocEntryPointsLocked() 1909ef78b59da51080882e47505896b420977fd79aeMathieu Chartier EXCLUSIVE_LOCKS_REQUIRED(Locks::instrument_entrypoints_lock_) 19169dbec6d9d55eeb2867949c2791d01dc9aa916c8Jeff Hao LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::runtime_shutdown_lock_); 1929ef78b59da51080882e47505896b420977fd79aeMathieu Chartier void UninstrumentQuickAllocEntryPointsLocked() 1939ef78b59da51080882e47505896b420977fd79aeMathieu Chartier EXCLUSIVE_LOCKS_REQUIRED(Locks::instrument_entrypoints_lock_) 19469dbec6d9d55eeb2867949c2791d01dc9aa916c8Jeff Hao LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::runtime_shutdown_lock_); 195d889178ec78930538d9d6a66c3df9ee9afaffbb4Mathieu Chartier void ResetQuickAllocEntryPoints() EXCLUSIVE_LOCKS_REQUIRED(Locks::runtime_shutdown_lock_); 196fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers 19762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Update the code of a method respecting any installed stubs. 198956af0f0cb05422e38c1d22cbef309d16b8a1a12Elliott Hughes void UpdateMethodsCode(mirror::ArtMethod* method, const void* quick_code) 199138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 20062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 20162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Get the quick code for the given method. More efficient than asking the class linker as it 20262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // will short-cut to GetCode if instrumentation and static method resolution stubs aren't 20362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // installed. 204a7dd0386f35c0ba4aef3f5b16bc84c6f4e2fc702Mathieu Chartier const void* GetQuickCodeFor(mirror::ArtMethod* method, size_t pointer_size) const 20562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 20662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 20762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void ForceInterpretOnly() { 20862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers interpret_only_ = true; 20962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers forced_interpret_only_ = true; 21062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 21162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 212ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom // Called by ArtMethod::Invoke to determine dispatch mechanism. 21362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool InterpretOnly() const { 21462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return interpret_only_; 21562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 21662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 217563b47cc142e477da244539b1d63070425e7fd78Hiroshi Yamauchi bool IsForcedInterpretOnly() const { 218563b47cc142e477da244539b1d63070425e7fd78Hiroshi Yamauchi return forced_interpret_only_; 219563b47cc142e477da244539b1d63070425e7fd78Hiroshi Yamauchi } 220563b47cc142e477da244539b1d63070425e7fd78Hiroshi Yamauchi 22162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool AreExitStubsInstalled() const { 22262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return instrumentation_stubs_installed_; 22362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 22462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 225ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool HasMethodEntryListeners() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 22674109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz return have_method_entry_listeners_; 22774109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz } 22874109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz 229ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool HasMethodExitListeners() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 23074109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz return have_method_exit_listeners_; 23174109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz } 23274109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz 233ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool HasDexPcListeners() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 23474109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz return have_dex_pc_listeners_; 23574109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz } 23674109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz 237ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool HasFieldReadListeners() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2383f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return have_field_read_listeners_; 2393f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 2403f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 241ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool HasFieldWriteListeners() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2423f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return have_field_write_listeners_; 2433f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 2443f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 245ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool HasExceptionCaughtListeners() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2469f1020305292a21fd14a402b189c765a125226abSebastien Hertz return have_exception_caught_listeners_; 2479f1020305292a21fd14a402b189c765a125226abSebastien Hertz } 2489f1020305292a21fd14a402b189c765a125226abSebastien Hertz 249e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier bool HasBackwardBranchListeners() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 250e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier return have_backward_branch_listeners_; 251e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 252e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 253ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool IsActive() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 254ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz return have_dex_pc_listeners_ || have_method_entry_listeners_ || have_method_exit_listeners_ || 25542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz have_field_read_listeners_ || have_field_write_listeners_ || 256ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz have_exception_caught_listeners_ || have_method_unwind_listeners_; 257ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz } 258ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 25962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that a method has been entered. A dex PC is provided as we may install 26062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // listeners into executing code and get method enter events for methods already on the stack. 26162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodEnterEvent(Thread* thread, mirror::Object* this_object, 262ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc) const 26362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 26474109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz if (UNLIKELY(HasMethodEntryListeners())) { 26562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers MethodEnterEventImpl(thread, this_object, method, dex_pc); 26662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 26762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 26862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 26962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that a method has been exited. 27062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodExitEvent(Thread* thread, mirror::Object* this_object, 271ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc, 27262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers const JValue& return_value) const 27362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 27474109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz if (UNLIKELY(HasMethodExitListeners())) { 27562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers MethodExitEventImpl(thread, this_object, method, dex_pc, return_value); 27662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 27762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 27862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 27962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that a method has been exited due to an exception. 28062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodUnwindEvent(Thread* thread, mirror::Object* this_object, 281ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc) const 28262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 28362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 28462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that the dex pc has moved (only supported by the interpreter). 28562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void DexPcMovedEvent(Thread* thread, mirror::Object* this_object, 286ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc) const 28762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 28874109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz if (UNLIKELY(HasDexPcListeners())) { 28962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers DexPcMovedEventImpl(thread, this_object, method, dex_pc); 29062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 29162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 292725a957985171d712d5c048cc3d00ff14968784bjeffhao 293e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier // Inform listeners that a backward branch has been taken (only supported by the interpreter). 294e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier void BackwardBranch(Thread* thread, mirror::ArtMethod* method, int32_t offset) const 295e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 296e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier if (UNLIKELY(HasBackwardBranchListeners())) { 297e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier BackwardBranchImpl(thread, method, offset); 298e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 299e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 300e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 3013f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Inform listeners that we read a field (only supported by the interpreter). 3023f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldReadEvent(Thread* thread, mirror::Object* this_object, 3033f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtMethod* method, uint32_t dex_pc, 304c785344b87221f5e4e6473e5b762e4e61fe65dcfMathieu Chartier ArtField* field) const 3053f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3063f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (UNLIKELY(HasFieldReadListeners())) { 3073f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz FieldReadEventImpl(thread, this_object, method, dex_pc, field); 3083f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 3093f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 3103f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 3113f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Inform listeners that we write a field (only supported by the interpreter). 3123f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldWriteEvent(Thread* thread, mirror::Object* this_object, 3133f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtMethod* method, uint32_t dex_pc, 314c785344b87221f5e4e6473e5b762e4e61fe65dcfMathieu Chartier ArtField* field, const JValue& field_value) const 3153f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3163f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (UNLIKELY(HasFieldWriteListeners())) { 3173f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz FieldWriteEventImpl(thread, this_object, method, dex_pc, field, field_value); 3183f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 3193f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 3203f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 32162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that an exception was caught. 32214691c5e786e8c2c5734f687e4c96217340771beNicolas Geoffray void ExceptionCaughtEvent(Thread* thread, mirror::Throwable* exception_object) const 32362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 324725a957985171d712d5c048cc3d00ff14968784bjeffhao 32562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Called when an instrumented method is entered. The intended link register (lr) is saved so 32662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // that returning causes a branch to the method exit stub. Generates method enter events. 32762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void PushInstrumentationStackFrame(Thread* self, mirror::Object* this_object, 328ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* method, uintptr_t lr, 3299a916d3c0d0574d106c764e737c67b52988d6139Jeff Hao bool interpreter_entry) 33062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 331725a957985171d712d5c048cc3d00ff14968784bjeffhao 33262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Called when an instrumented method is exited. Removes the pushed instrumentation frame 33362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // returning the intended link register. Generates method exit events. 334d58342caa97108ba413bad467c285c0377f138f5Andreas Gampe TwoWordReturn PopInstrumentationStackFrame(Thread* self, uintptr_t* return_pc, 335d58342caa97108ba413bad467c285c0377f138f5Andreas Gampe uint64_t gpr_result, uint64_t fpr_result) 33662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 337725a957985171d712d5c048cc3d00ff14968784bjeffhao 33862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Pops an instrumentation frame from the current thread and generate an unwind event. 33962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void PopMethodForUnwind(Thread* self, bool is_deoptimization) const 34062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 34162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 34262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call back for configure stubs. 343a10aa3789544cf62a2d362c032ea8d9532b47b39Sebastien Hertz void InstallStubsForClass(mirror::Class* klass) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 344725a957985171d712d5c048cc3d00ff14968784bjeffhao 345138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz void InstallStubsForMethod(mirror::ArtMethod* method) 346138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 347138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 348bb87e0f1a52de656bc77cb01cb887e51a0e5198bMathieu Chartier void VisitRoots(RootVisitor* visitor) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 3493b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier LOCKS_EXCLUDED(deoptimized_methods_lock_); 3503b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 351725a957985171d712d5c048cc3d00ff14968784bjeffhao private: 35262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Does the job of installing or removing instrumentation code within methods. 35362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void ConfigureStubs(bool require_entry_exit_stubs, bool require_interpreter) 35462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 3553b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::classlinker_classes_lock_, 3563b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier deoptimized_methods_lock_); 35762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 358ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz void UpdateInterpreterHandlerTable() EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) { 359ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz interpreter_handler_table_ = IsActive() ? kAlternativeHandlerTable : kMainHandlerTable; 360ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz } 361ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 362661974a5561e5ccdfbac8cb5d8df8b7e6f3483b8Mathieu Chartier // No thread safety analysis to get around SetQuickAllocEntryPointsInstrumented requiring 363661974a5561e5ccdfbac8cb5d8df8b7e6f3483b8Mathieu Chartier // exclusive access to mutator lock which you can't get if the runtime isn't started. 3649ef78b59da51080882e47505896b420977fd79aeMathieu Chartier void SetEntrypointsInstrumented(bool instrumented) NO_THREAD_SAFETY_ANALYSIS; 365661974a5561e5ccdfbac8cb5d8df8b7e6f3483b8Mathieu Chartier 36662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodEnterEventImpl(Thread* thread, mirror::Object* this_object, 367ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc) const 36862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 36962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodExitEventImpl(Thread* thread, mirror::Object* this_object, 370ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, 37162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers uint32_t dex_pc, const JValue& return_value) const 37262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 37362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void DexPcMovedEventImpl(Thread* thread, mirror::Object* this_object, 374ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc) const 37562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 376e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier void BackwardBranchImpl(Thread* thread, mirror::ArtMethod* method, int32_t offset) const 377e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 3783f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldReadEventImpl(Thread* thread, mirror::Object* this_object, 3793f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtMethod* method, uint32_t dex_pc, 380c785344b87221f5e4e6473e5b762e4e61fe65dcfMathieu Chartier ArtField* field) const 3813f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 3823f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldWriteEventImpl(Thread* thread, mirror::Object* this_object, 3833f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtMethod* method, uint32_t dex_pc, 384c785344b87221f5e4e6473e5b762e4e61fe65dcfMathieu Chartier ArtField* field, const JValue& field_value) const 3853f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 38662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 387799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi // Read barrier-aware utility functions for accessing deoptimized_methods_ 388799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi bool AddDeoptimizedMethod(mirror::ArtMethod* method) 389799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 390799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi EXCLUSIVE_LOCKS_REQUIRED(deoptimized_methods_lock_); 391799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi bool FindDeoptimizedMethod(mirror::ArtMethod* method) 392799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 393799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(deoptimized_methods_lock_); 394799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi bool RemoveDeoptimizedMethod(mirror::ArtMethod* method) 395799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 396799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi EXCLUSIVE_LOCKS_REQUIRED(deoptimized_methods_lock_); 397799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi mirror::ArtMethod* BeginDeoptimizedMethod() 398799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 399799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(deoptimized_methods_lock_); 400799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi bool IsDeoptimizedMethodsEmpty() const 401799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 402799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(deoptimized_methods_lock_); 403799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi 404ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom // Have we hijacked ArtMethod::code_ so that it calls instrumentation/interpreter code? 40562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool instrumentation_stubs_installed_; 40662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 407ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom // Have we hijacked ArtMethod::code_ to reference the enter/exit stubs? 40862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool entry_exit_stubs_installed_; 40962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 410ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom // Have we hijacked ArtMethod::code_ to reference the enter interpreter stub? 41162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool interpreter_stubs_installed_; 41262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 41362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we need the fidelity of events that we only get from running within the interpreter? 41462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool interpret_only_; 415725a957985171d712d5c048cc3d00ff14968784bjeffhao 41662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Did the runtime request we only run in the interpreter? ie -Xint mode. 41762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool forced_interpret_only_; 418725a957985171d712d5c048cc3d00ff14968784bjeffhao 41962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any listeners for method entry events? Short-cut to avoid taking the 42062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // instrumentation_lock_. 421ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_method_entry_listeners_ GUARDED_BY(Locks::mutator_lock_); 42262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 42362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any listeners for method exit events? Short-cut to avoid taking the 42462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // instrumentation_lock_. 425ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_method_exit_listeners_ GUARDED_BY(Locks::mutator_lock_); 42662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 42762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any listeners for method unwind events? Short-cut to avoid taking the 42862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // instrumentation_lock_. 429ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_method_unwind_listeners_ GUARDED_BY(Locks::mutator_lock_); 43062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 43162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any listeners for dex move events? Short-cut to avoid taking the 43262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // instrumentation_lock_. 433ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_dex_pc_listeners_ GUARDED_BY(Locks::mutator_lock_); 43462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 4353f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Do we have any listeners for field read events? Short-cut to avoid taking the 4363f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // instrumentation_lock_. 437ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_field_read_listeners_ GUARDED_BY(Locks::mutator_lock_); 4383f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 4393f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Do we have any listeners for field write events? Short-cut to avoid taking the 4403f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // instrumentation_lock_. 441ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_field_write_listeners_ GUARDED_BY(Locks::mutator_lock_); 4423f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 44362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any exception caught listeners? Short-cut to avoid taking the instrumentation_lock_. 444ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_exception_caught_listeners_ GUARDED_BY(Locks::mutator_lock_); 44562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 446e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier // Do we have any backward branch listeners? Short-cut to avoid taking the instrumentation_lock_. 447e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier bool have_backward_branch_listeners_ GUARDED_BY(Locks::mutator_lock_); 448e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 44962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // The event listeners, written to with the mutator_lock_ exclusively held. 45062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers std::list<InstrumentationListener*> method_entry_listeners_ GUARDED_BY(Locks::mutator_lock_); 45162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers std::list<InstrumentationListener*> method_exit_listeners_ GUARDED_BY(Locks::mutator_lock_); 45262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers std::list<InstrumentationListener*> method_unwind_listeners_ GUARDED_BY(Locks::mutator_lock_); 453e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier std::list<InstrumentationListener*> backward_branch_listeners_ GUARDED_BY(Locks::mutator_lock_); 454ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi std::shared_ptr<std::list<InstrumentationListener*>> dex_pc_listeners_ 455ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi GUARDED_BY(Locks::mutator_lock_); 456ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi std::shared_ptr<std::list<InstrumentationListener*>> field_read_listeners_ 457ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi GUARDED_BY(Locks::mutator_lock_); 458ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi std::shared_ptr<std::list<InstrumentationListener*>> field_write_listeners_ 459ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi GUARDED_BY(Locks::mutator_lock_); 460ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi std::shared_ptr<std::list<InstrumentationListener*>> exception_caught_listeners_ 461ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi GUARDED_BY(Locks::mutator_lock_); 462725a957985171d712d5c048cc3d00ff14968784bjeffhao 463138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // The set of methods being deoptimized (by the debugger) which must be executed with interpreter 464138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // only. 4653b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier mutable ReaderWriterMutex deoptimized_methods_lock_ DEFAULT_MUTEX_ACQUIRED_AFTER; 46694f7b49578b6aaa80de8ffed230648d601393905Hiroshi Yamauchi std::multimap<int32_t, GcRoot<mirror::ArtMethod>> deoptimized_methods_ 46794f7b49578b6aaa80de8ffed230648d601393905Hiroshi Yamauchi GUARDED_BY(deoptimized_methods_lock_); 46811d40c250ec86c784cf76b8c31e1cf9285d555dcSebastien Hertz bool deoptimization_enabled_; 469138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 470fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers // Current interpreter handler table. This is updated each time the thread state flags are 471fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers // modified. 472ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz InterpreterHandlerTable interpreter_handler_table_ GUARDED_BY(Locks::mutator_lock_); 473ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 474fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers // Greater than 0 if quick alloc entry points instrumented. 4759ef78b59da51080882e47505896b420977fd79aeMathieu Chartier size_t quick_alloc_entry_points_instrumentation_counter_ 4769ef78b59da51080882e47505896b420977fd79aeMathieu Chartier GUARDED_BY(Locks::instrument_entrypoints_lock_); 477fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers 478725a957985171d712d5c048cc3d00ff14968784bjeffhao DISALLOW_COPY_AND_ASSIGN(Instrumentation); 479725a957985171d712d5c048cc3d00ff14968784bjeffhao}; 4806a3c1fcb4ba42ad4d5d142c17a3712a6ddd3866fIan Rogersstd::ostream& operator<<(std::ostream& os, const Instrumentation::InstrumentationEvent& rhs); 481725a957985171d712d5c048cc3d00ff14968784bjeffhao 48262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// An element in the instrumentation side stack maintained in art::Thread. 48362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersstruct InstrumentationStackFrame { 484ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom InstrumentationStackFrame(mirror::Object* this_object, mirror::ArtMethod* method, 4859a916d3c0d0574d106c764e737c67b52988d6139Jeff Hao uintptr_t return_pc, size_t frame_id, bool interpreter_entry) 4869a916d3c0d0574d106c764e737c67b52988d6139Jeff Hao : this_object_(this_object), method_(method), return_pc_(return_pc), frame_id_(frame_id), 4879a916d3c0d0574d106c764e737c67b52988d6139Jeff Hao interpreter_entry_(interpreter_entry) { 48862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 48962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 49062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers std::string Dump() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 49162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 49262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Object* this_object_; 493ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* method_; 494138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz uintptr_t return_pc_; 495138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz size_t frame_id_; 496138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz bool interpreter_entry_; 49762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers}; 49862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 49962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers} // namespace instrumentation 500725a957985171d712d5c048cc3d00ff14968784bjeffhao} // namespace art 501725a957985171d712d5c048cc3d00ff14968784bjeffhao 502fc0e3219edc9a5bf81b166e82fd5db2796eb6a0dBrian Carlstrom#endif // ART_RUNTIME_INSTRUMENTATION_H_ 503