instrumentation.h revision 14691c5e786e8c2c5734f687e4c96217340771be
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 { 333f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz class ArtField; 34ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom class ArtMethod; 35ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom class Class; 36ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom class Object; 37ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom class Throwable; 3862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers} // namespace mirror 3962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersunion JValue; 40725a957985171d712d5c048cc3d00ff14968784bjeffhaoclass Thread; 4162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersclass ThrowLocation; 42725a957985171d712d5c048cc3d00ff14968784bjeffhao 4362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersnamespace instrumentation { 44725a957985171d712d5c048cc3d00ff14968784bjeffhao 45ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz// Interpreter handler tables. 46ee1997a3b83334985e757f369c09e111b121661bSebastien Hertzenum InterpreterHandlerTable { 47ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz kMainHandlerTable = 0, // Main handler table: no suspend check, no instrumentation. 48ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz kAlternativeHandlerTable = 1, // Alternative handler table: suspend check and/or instrumentation 49ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz // enabled. 50ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz kNumHandlerTables 51ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz}; 52ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 5362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// Instrumentation event listener API. Registered listeners will get the appropriate call back for 5462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// the events they are listening for. The call backs supply the thread, method and dex_pc the event 5562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// occurred upon. The thread may or may not be Thread::Current(). 5662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersstruct InstrumentationListener { 5762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers InstrumentationListener() {} 5862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual ~InstrumentationListener() {} 5962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 6062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call-back for when a method is entered. 6162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual void MethodEntered(Thread* thread, mirror::Object* this_object, 62ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, 6362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers uint32_t dex_pc) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) = 0; 6462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 6562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call-back for when a method is exited. 6662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // TODO: its likely passing the return value would be useful, however, we may need to get and 6762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // parse the shorty to determine what kind of register holds the result. 6862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual void MethodExited(Thread* thread, mirror::Object* this_object, 69ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc, 7062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers const JValue& return_value) 7162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) = 0; 7262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 7362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call-back for when a method is popped due to an exception throw. A method will either cause a 7462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // MethodExited call-back or a MethodUnwind call-back when its activation is removed. 7551db44a194bafc3810a41164a8b39614f10e79dfSebastien Hertz virtual void MethodUnwind(Thread* thread, mirror::Object* this_object, 76ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc) 7751db44a194bafc3810a41164a8b39614f10e79dfSebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) = 0; 7862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 7962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call-back for when the dex pc moves in a method. 8062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual void DexPcMoved(Thread* thread, mirror::Object* this_object, 81ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t new_dex_pc) 8262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) = 0; 8362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 843f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Call-back for when we read from a field. 853f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz virtual void FieldRead(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 863f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t dex_pc, mirror::ArtField* field) = 0; 873f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 883f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Call-back for when we write into a field. 893f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz virtual void FieldWritten(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 903f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t dex_pc, mirror::ArtField* field, const JValue& field_value) = 0; 913f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 9262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call-back when an exception is caught. 9314691c5e786e8c2c5734f687e4c96217340771beNicolas Geoffray virtual void ExceptionCaught(Thread* thread, mirror::Throwable* exception_object) 9462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) = 0; 95e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 96e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier // Call-back for when we get a backward branch. 97e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier virtual void BackwardBranch(Thread* thread, mirror::ArtMethod* method, int32_t dex_pc_offset) 98e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) = 0; 99725a957985171d712d5c048cc3d00ff14968784bjeffhao}; 100725a957985171d712d5c048cc3d00ff14968784bjeffhao 10162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// Instrumentation is a catch-all for when extra information is required from the runtime. The 10262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// typical use for instrumentation is for profiling and debugging. Instrumentation may add stubs 10362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// to method entry and exit, it may also force execution to be switched to the interpreter and 10462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// trigger deoptimization. 105725a957985171d712d5c048cc3d00ff14968784bjeffhaoclass Instrumentation { 106725a957985171d712d5c048cc3d00ff14968784bjeffhao public: 10762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers enum InstrumentationEvent { 108e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kMethodEntered = 0x1, 109e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kMethodExited = 0x2, 110e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kMethodUnwind = 0x4, 111e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kDexPcMoved = 0x8, 112e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kFieldRead = 0x10, 113e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kFieldWritten = 0x20, 114e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kExceptionCaught = 0x40, 115e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kBackwardBranch = 0x80, 11662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers }; 11762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 1183b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier Instrumentation(); 11962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 12062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Add a listener to be notified of the masked together sent of instrumentation events. This 12162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // suspend the runtime to install stubs. You are expected to hold the mutator lock as a proxy 12262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // for saying you should have suspended all threads (installing stubs while threads are running 12362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // will break). 12462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void AddListener(InstrumentationListener* listener, uint32_t events) 12562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 12662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::classlinker_classes_lock_); 12762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 12862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Removes a listener possibly removing instrumentation stubs. 12962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void RemoveListener(InstrumentationListener* listener, uint32_t events) 13062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 13162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::classlinker_classes_lock_); 13262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 133138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Deoptimization. 134a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz void EnableDeoptimization() 135a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 1363b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier LOCKS_EXCLUDED(deoptimized_methods_lock_); 137a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz void DisableDeoptimization() 138a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 1394d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz LOCKS_EXCLUDED(deoptimized_methods_lock_); 140a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz bool AreAllMethodsDeoptimized() const { 141a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return interpreter_stubs_installed_; 142a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 14311d40c250ec86c784cf76b8c31e1cf9285d555dcSebastien Hertz bool ShouldNotifyMethodEnterExitEvents() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 144138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 145138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Executes everything with interpreter. 146138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz void DeoptimizeEverything() 147138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 148138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::classlinker_classes_lock_); 149138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 150138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Executes everything with compiled code (or interpreter if there is no code). 151138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz void UndeoptimizeEverything() 152138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 153138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::classlinker_classes_lock_); 154138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 155138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Deoptimize a method by forcing its execution with the interpreter. Nevertheless, a static 156138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // method (except a class initializer) set to the resolution trampoline will be deoptimized only 157138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // once its declaring class is initialized. 158138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz void Deoptimize(mirror::ArtMethod* method) 1593b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier LOCKS_EXCLUDED(Locks::thread_list_lock_, deoptimized_methods_lock_) 160138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_); 161138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 162138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Undeoptimze the method by restoring its entrypoints. Nevertheless, a static method 163138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // (except a class initializer) set to the resolution trampoline will be updated only once its 164138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // declaring class is initialized. 165138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz void Undeoptimize(mirror::ArtMethod* method) 1664d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz LOCKS_EXCLUDED(Locks::thread_list_lock_, deoptimized_methods_lock_) 167138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_); 168138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 169799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi bool IsDeoptimized(mirror::ArtMethod* method) 170799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi LOCKS_EXCLUDED(deoptimized_methods_lock_) 171799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 172138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 173138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Enable method tracing by installing instrumentation entry/exit stubs. 174138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz void EnableMethodTracing() 175138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 176138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::classlinker_classes_lock_); 177138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 178138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Disable method tracing by uninstalling instrumentation entry/exit stubs. 179138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz void DisableMethodTracing() 180138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 181138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::classlinker_classes_lock_); 182138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 183ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz InterpreterHandlerTable GetInterpreterHandlerTable() const 184ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 185ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz return interpreter_handler_table_; 186ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz } 187ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 1889ef78b59da51080882e47505896b420977fd79aeMathieu Chartier void InstrumentQuickAllocEntryPoints() LOCKS_EXCLUDED(Locks::instrument_entrypoints_lock_); 1899ef78b59da51080882e47505896b420977fd79aeMathieu Chartier void UninstrumentQuickAllocEntryPoints() LOCKS_EXCLUDED(Locks::instrument_entrypoints_lock_); 1909ef78b59da51080882e47505896b420977fd79aeMathieu Chartier void InstrumentQuickAllocEntryPointsLocked() 1919ef78b59da51080882e47505896b420977fd79aeMathieu Chartier EXCLUSIVE_LOCKS_REQUIRED(Locks::instrument_entrypoints_lock_) 19269dbec6d9d55eeb2867949c2791d01dc9aa916c8Jeff Hao LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::runtime_shutdown_lock_); 1939ef78b59da51080882e47505896b420977fd79aeMathieu Chartier void UninstrumentQuickAllocEntryPointsLocked() 1949ef78b59da51080882e47505896b420977fd79aeMathieu Chartier EXCLUSIVE_LOCKS_REQUIRED(Locks::instrument_entrypoints_lock_) 19569dbec6d9d55eeb2867949c2791d01dc9aa916c8Jeff Hao LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::runtime_shutdown_lock_); 196d889178ec78930538d9d6a66c3df9ee9afaffbb4Mathieu Chartier void ResetQuickAllocEntryPoints() EXCLUSIVE_LOCKS_REQUIRED(Locks::runtime_shutdown_lock_); 197fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers 19862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Update the code of a method respecting any installed stubs. 199956af0f0cb05422e38c1d22cbef309d16b8a1a12Elliott Hughes void UpdateMethodsCode(mirror::ArtMethod* method, const void* quick_code) 200138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 20162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 20262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Get the quick code for the given method. More efficient than asking the class linker as it 20362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // will short-cut to GetCode if instrumentation and static method resolution stubs aren't 20462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // installed. 205a7dd0386f35c0ba4aef3f5b16bc84c6f4e2fc702Mathieu Chartier const void* GetQuickCodeFor(mirror::ArtMethod* method, size_t pointer_size) const 20662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 20762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 20862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void ForceInterpretOnly() { 20962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers interpret_only_ = true; 21062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers forced_interpret_only_ = true; 21162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 21262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 213ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom // Called by ArtMethod::Invoke to determine dispatch mechanism. 21462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool InterpretOnly() const { 21562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return interpret_only_; 21662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 21762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 218563b47cc142e477da244539b1d63070425e7fd78Hiroshi Yamauchi bool IsForcedInterpretOnly() const { 219563b47cc142e477da244539b1d63070425e7fd78Hiroshi Yamauchi return forced_interpret_only_; 220563b47cc142e477da244539b1d63070425e7fd78Hiroshi Yamauchi } 221563b47cc142e477da244539b1d63070425e7fd78Hiroshi Yamauchi 22262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool AreExitStubsInstalled() const { 22362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return instrumentation_stubs_installed_; 22462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 22562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 226ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool HasMethodEntryListeners() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 22774109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz return have_method_entry_listeners_; 22874109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz } 22974109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz 230ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool HasMethodExitListeners() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 23174109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz return have_method_exit_listeners_; 23274109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz } 23374109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz 234ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool HasDexPcListeners() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 23574109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz return have_dex_pc_listeners_; 23674109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz } 23774109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz 238ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool HasFieldReadListeners() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2393f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return have_field_read_listeners_; 2403f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 2413f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 242ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool HasFieldWriteListeners() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2433f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return have_field_write_listeners_; 2443f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 2453f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 246ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool HasExceptionCaughtListeners() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2479f1020305292a21fd14a402b189c765a125226abSebastien Hertz return have_exception_caught_listeners_; 2489f1020305292a21fd14a402b189c765a125226abSebastien Hertz } 2499f1020305292a21fd14a402b189c765a125226abSebastien Hertz 250e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier bool HasBackwardBranchListeners() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 251e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier return have_backward_branch_listeners_; 252e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 253e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 254ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool IsActive() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 255ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz return have_dex_pc_listeners_ || have_method_entry_listeners_ || have_method_exit_listeners_ || 25642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz have_field_read_listeners_ || have_field_write_listeners_ || 257ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz have_exception_caught_listeners_ || have_method_unwind_listeners_; 258ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz } 259ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 26062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that a method has been entered. A dex PC is provided as we may install 26162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // listeners into executing code and get method enter events for methods already on the stack. 26262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodEnterEvent(Thread* thread, mirror::Object* this_object, 263ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc) const 26462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 26574109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz if (UNLIKELY(HasMethodEntryListeners())) { 26662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers MethodEnterEventImpl(thread, this_object, method, dex_pc); 26762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 26862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 26962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 27062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that a method has been exited. 27162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodExitEvent(Thread* thread, mirror::Object* this_object, 272ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc, 27362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers const JValue& return_value) const 27462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 27574109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz if (UNLIKELY(HasMethodExitListeners())) { 27662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers MethodExitEventImpl(thread, this_object, method, dex_pc, return_value); 27762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 27862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 27962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 28062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that a method has been exited due to an exception. 28162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodUnwindEvent(Thread* thread, mirror::Object* this_object, 282ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc) const 28362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 28462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 28562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that the dex pc has moved (only supported by the interpreter). 28662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void DexPcMovedEvent(Thread* thread, mirror::Object* this_object, 287ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc) const 28862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 28974109f6683096de494b1457fa6d5b0ac33b4c98cSebastien Hertz if (UNLIKELY(HasDexPcListeners())) { 29062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers DexPcMovedEventImpl(thread, this_object, method, dex_pc); 29162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 29262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 293725a957985171d712d5c048cc3d00ff14968784bjeffhao 294e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier // Inform listeners that a backward branch has been taken (only supported by the interpreter). 295e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier void BackwardBranch(Thread* thread, mirror::ArtMethod* method, int32_t offset) const 296e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 297e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier if (UNLIKELY(HasBackwardBranchListeners())) { 298e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier BackwardBranchImpl(thread, method, offset); 299e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 300e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 301e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 3023f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Inform listeners that we read a field (only supported by the interpreter). 3033f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldReadEvent(Thread* thread, mirror::Object* this_object, 3043f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtMethod* method, uint32_t dex_pc, 3053f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtField* field) const 3063f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3073f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (UNLIKELY(HasFieldReadListeners())) { 3083f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz FieldReadEventImpl(thread, this_object, method, dex_pc, field); 3093f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 3103f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 3113f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 3123f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Inform listeners that we write a field (only supported by the interpreter). 3133f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldWriteEvent(Thread* thread, mirror::Object* this_object, 3143f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtMethod* method, uint32_t dex_pc, 3153f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtField* field, const JValue& field_value) const 3163f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3173f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (UNLIKELY(HasFieldWriteListeners())) { 3183f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz FieldWriteEventImpl(thread, this_object, method, dex_pc, field, field_value); 3193f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 3203f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 3213f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 32262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Inform listeners that an exception was caught. 32314691c5e786e8c2c5734f687e4c96217340771beNicolas Geoffray void ExceptionCaughtEvent(Thread* thread, mirror::Throwable* exception_object) const 32462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 325725a957985171d712d5c048cc3d00ff14968784bjeffhao 32662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Called when an instrumented method is entered. The intended link register (lr) is saved so 32762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // that returning causes a branch to the method exit stub. Generates method enter events. 32862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void PushInstrumentationStackFrame(Thread* self, mirror::Object* this_object, 329ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* method, uintptr_t lr, 3309a916d3c0d0574d106c764e737c67b52988d6139Jeff Hao bool interpreter_entry) 33162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 332725a957985171d712d5c048cc3d00ff14968784bjeffhao 33362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Called when an instrumented method is exited. Removes the pushed instrumentation frame 33462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // returning the intended link register. Generates method exit events. 335d58342caa97108ba413bad467c285c0377f138f5Andreas Gampe TwoWordReturn PopInstrumentationStackFrame(Thread* self, uintptr_t* return_pc, 336d58342caa97108ba413bad467c285c0377f138f5Andreas Gampe uint64_t gpr_result, uint64_t fpr_result) 33762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 338725a957985171d712d5c048cc3d00ff14968784bjeffhao 33962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Pops an instrumentation frame from the current thread and generate an unwind event. 34062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void PopMethodForUnwind(Thread* self, bool is_deoptimization) const 34162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 34262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 34362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Call back for configure stubs. 344a10aa3789544cf62a2d362c032ea8d9532b47b39Sebastien Hertz void InstallStubsForClass(mirror::Class* klass) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 345725a957985171d712d5c048cc3d00ff14968784bjeffhao 346138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz void InstallStubsForMethod(mirror::ArtMethod* method) 347138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 348138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 3493b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier void VisitRoots(RootCallback* callback, void* arg) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 3503b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier LOCKS_EXCLUDED(deoptimized_methods_lock_); 3513b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 352725a957985171d712d5c048cc3d00ff14968784bjeffhao private: 35362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Does the job of installing or removing instrumentation code within methods. 35462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void ConfigureStubs(bool require_entry_exit_stubs, bool require_interpreter) 35562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) 3563b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier LOCKS_EXCLUDED(Locks::thread_list_lock_, Locks::classlinker_classes_lock_, 3573b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier deoptimized_methods_lock_); 35862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 359ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz void UpdateInterpreterHandlerTable() EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_) { 360ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz interpreter_handler_table_ = IsActive() ? kAlternativeHandlerTable : kMainHandlerTable; 361ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz } 362ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 363661974a5561e5ccdfbac8cb5d8df8b7e6f3483b8Mathieu Chartier // No thread safety analysis to get around SetQuickAllocEntryPointsInstrumented requiring 364661974a5561e5ccdfbac8cb5d8df8b7e6f3483b8Mathieu Chartier // exclusive access to mutator lock which you can't get if the runtime isn't started. 3659ef78b59da51080882e47505896b420977fd79aeMathieu Chartier void SetEntrypointsInstrumented(bool instrumented) NO_THREAD_SAFETY_ANALYSIS; 366661974a5561e5ccdfbac8cb5d8df8b7e6f3483b8Mathieu Chartier 36762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodEnterEventImpl(Thread* thread, mirror::Object* this_object, 368ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc) const 36962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 37062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void MethodExitEventImpl(Thread* thread, mirror::Object* this_object, 371ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, 37262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers uint32_t dex_pc, const JValue& return_value) const 37362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 37462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers void DexPcMovedEventImpl(Thread* thread, mirror::Object* this_object, 375ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc) const 37662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 377e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier void BackwardBranchImpl(Thread* thread, mirror::ArtMethod* method, int32_t offset) const 378e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 3793f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldReadEventImpl(Thread* thread, mirror::Object* this_object, 3803f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtMethod* method, uint32_t dex_pc, 3813f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtField* field) const 3823f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 3833f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldWriteEventImpl(Thread* thread, mirror::Object* this_object, 3843f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtMethod* method, uint32_t dex_pc, 3853f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtField* field, const JValue& field_value) const 3863f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 38762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 388799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi // Read barrier-aware utility functions for accessing deoptimized_methods_ 389799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi bool AddDeoptimizedMethod(mirror::ArtMethod* method) 390799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 391799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi EXCLUSIVE_LOCKS_REQUIRED(deoptimized_methods_lock_); 392799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi bool FindDeoptimizedMethod(mirror::ArtMethod* method) 393799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 394799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(deoptimized_methods_lock_); 395799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi bool RemoveDeoptimizedMethod(mirror::ArtMethod* method) 396799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 397799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi EXCLUSIVE_LOCKS_REQUIRED(deoptimized_methods_lock_); 398799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi mirror::ArtMethod* BeginDeoptimizedMethod() 399799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 400799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(deoptimized_methods_lock_); 401799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi bool IsDeoptimizedMethodsEmpty() const 402799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 403799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(deoptimized_methods_lock_); 404799eb3a5555254427db269921042419bc30d4d86Hiroshi Yamauchi 405ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom // Have we hijacked ArtMethod::code_ so that it calls instrumentation/interpreter code? 40662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool instrumentation_stubs_installed_; 40762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 408ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom // Have we hijacked ArtMethod::code_ to reference the enter/exit stubs? 40962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool entry_exit_stubs_installed_; 41062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 411ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom // Have we hijacked ArtMethod::code_ to reference the enter interpreter stub? 41262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool interpreter_stubs_installed_; 41362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 41462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we need the fidelity of events that we only get from running within the interpreter? 41562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool interpret_only_; 416725a957985171d712d5c048cc3d00ff14968784bjeffhao 41762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Did the runtime request we only run in the interpreter? ie -Xint mode. 41862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers bool forced_interpret_only_; 419725a957985171d712d5c048cc3d00ff14968784bjeffhao 42062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any listeners for method entry events? Short-cut to avoid taking the 42162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // instrumentation_lock_. 422ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_method_entry_listeners_ GUARDED_BY(Locks::mutator_lock_); 42362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 42462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any listeners for method exit events? Short-cut to avoid taking the 42562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // instrumentation_lock_. 426ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_method_exit_listeners_ GUARDED_BY(Locks::mutator_lock_); 42762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 42862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any listeners for method unwind events? Short-cut to avoid taking the 42962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // instrumentation_lock_. 430ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_method_unwind_listeners_ GUARDED_BY(Locks::mutator_lock_); 43162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 43262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any listeners for dex move events? Short-cut to avoid taking the 43362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // instrumentation_lock_. 434ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_dex_pc_listeners_ GUARDED_BY(Locks::mutator_lock_); 43562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 4363f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Do we have any listeners for field read events? Short-cut to avoid taking the 4373f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // instrumentation_lock_. 438ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_field_read_listeners_ GUARDED_BY(Locks::mutator_lock_); 4393f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 4403f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // Do we have any listeners for field write events? Short-cut to avoid taking the 4413f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // instrumentation_lock_. 442ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_field_write_listeners_ GUARDED_BY(Locks::mutator_lock_); 4433f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 44462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Do we have any exception caught listeners? Short-cut to avoid taking the instrumentation_lock_. 445ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz bool have_exception_caught_listeners_ GUARDED_BY(Locks::mutator_lock_); 44662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 447e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier // Do we have any backward branch listeners? Short-cut to avoid taking the instrumentation_lock_. 448e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier bool have_backward_branch_listeners_ GUARDED_BY(Locks::mutator_lock_); 449e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 45062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // The event listeners, written to with the mutator_lock_ exclusively held. 45162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers std::list<InstrumentationListener*> method_entry_listeners_ GUARDED_BY(Locks::mutator_lock_); 45262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers std::list<InstrumentationListener*> method_exit_listeners_ GUARDED_BY(Locks::mutator_lock_); 45362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers std::list<InstrumentationListener*> method_unwind_listeners_ GUARDED_BY(Locks::mutator_lock_); 454e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier std::list<InstrumentationListener*> backward_branch_listeners_ GUARDED_BY(Locks::mutator_lock_); 455ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi std::shared_ptr<std::list<InstrumentationListener*>> dex_pc_listeners_ 456ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi GUARDED_BY(Locks::mutator_lock_); 457ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi std::shared_ptr<std::list<InstrumentationListener*>> field_read_listeners_ 458ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi GUARDED_BY(Locks::mutator_lock_); 459ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi std::shared_ptr<std::list<InstrumentationListener*>> field_write_listeners_ 460ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi GUARDED_BY(Locks::mutator_lock_); 461ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi std::shared_ptr<std::list<InstrumentationListener*>> exception_caught_listeners_ 462ca1d06cfa2f2b8d2be4390644e126cb68cdbb5baDaniel Mihalyi GUARDED_BY(Locks::mutator_lock_); 463725a957985171d712d5c048cc3d00ff14968784bjeffhao 464138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // The set of methods being deoptimized (by the debugger) which must be executed with interpreter 465138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // only. 4663b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier mutable ReaderWriterMutex deoptimized_methods_lock_ DEFAULT_MUTEX_ACQUIRED_AFTER; 46794f7b49578b6aaa80de8ffed230648d601393905Hiroshi Yamauchi std::multimap<int32_t, GcRoot<mirror::ArtMethod>> deoptimized_methods_ 46894f7b49578b6aaa80de8ffed230648d601393905Hiroshi Yamauchi GUARDED_BY(deoptimized_methods_lock_); 46911d40c250ec86c784cf76b8c31e1cf9285d555dcSebastien Hertz bool deoptimization_enabled_; 470138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 471fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers // Current interpreter handler table. This is updated each time the thread state flags are 472fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers // modified. 473ed2be1725fb79075892b1a9103487c9d9a95b350Sebastien Hertz InterpreterHandlerTable interpreter_handler_table_ GUARDED_BY(Locks::mutator_lock_); 474ee1997a3b83334985e757f369c09e111b121661bSebastien Hertz 475fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers // Greater than 0 if quick alloc entry points instrumented. 4769ef78b59da51080882e47505896b420977fd79aeMathieu Chartier size_t quick_alloc_entry_points_instrumentation_counter_ 4779ef78b59da51080882e47505896b420977fd79aeMathieu Chartier GUARDED_BY(Locks::instrument_entrypoints_lock_); 478fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers 479725a957985171d712d5c048cc3d00ff14968784bjeffhao DISALLOW_COPY_AND_ASSIGN(Instrumentation); 480725a957985171d712d5c048cc3d00ff14968784bjeffhao}; 4816a3c1fcb4ba42ad4d5d142c17a3712a6ddd3866fIan Rogersstd::ostream& operator<<(std::ostream& os, const Instrumentation::InstrumentationEvent& rhs); 482725a957985171d712d5c048cc3d00ff14968784bjeffhao 48362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers// An element in the instrumentation side stack maintained in art::Thread. 48462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersstruct InstrumentationStackFrame { 485ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom InstrumentationStackFrame(mirror::Object* this_object, mirror::ArtMethod* method, 4869a916d3c0d0574d106c764e737c67b52988d6139Jeff Hao uintptr_t return_pc, size_t frame_id, bool interpreter_entry) 4879a916d3c0d0574d106c764e737c67b52988d6139Jeff Hao : this_object_(this_object), method_(method), return_pc_(return_pc), frame_id_(frame_id), 4889a916d3c0d0574d106c764e737c67b52988d6139Jeff Hao interpreter_entry_(interpreter_entry) { 48962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 49062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 49162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers std::string Dump() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 49262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 49362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Object* this_object_; 494ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* method_; 495138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz uintptr_t return_pc_; 496138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz size_t frame_id_; 497138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz bool interpreter_entry_; 49862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers}; 49962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 50062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers} // namespace instrumentation 501725a957985171d712d5c048cc3d00ff14968784bjeffhao} // namespace art 502725a957985171d712d5c048cc3d00ff14968784bjeffhao 503fc0e3219edc9a5bf81b166e82fd5db2796eb6a0dBrian Carlstrom#endif // ART_RUNTIME_INSTRUMENTATION_H_ 504