Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | /* |
| 18 | * Dalvik-specific side of debugger support. (The JDWP code is intended to |
| 19 | * be relatively generic.) |
| 20 | */ |
Brian Carlstrom | fc0e321 | 2013-07-17 14:40:12 -0700 | [diff] [blame] | 21 | #ifndef ART_RUNTIME_DEBUGGER_H_ |
| 22 | #define ART_RUNTIME_DEBUGGER_H_ |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 23 | |
| 24 | #include <pthread.h> |
| 25 | |
Sebastien Hertz | 61b7f1b | 2013-11-15 15:59:30 +0100 | [diff] [blame] | 26 | #include <set> |
Elliott Hughes | 3bb8156 | 2011-10-21 18:52:59 -0700 | [diff] [blame] | 27 | #include <string> |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 28 | #include <vector> |
Elliott Hughes | 3bb8156 | 2011-10-21 18:52:59 -0700 | [diff] [blame] | 29 | |
Alex Light | 8c2b929 | 2017-11-09 13:21:01 -0800 | [diff] [blame] | 30 | #include "base/array_ref.h" |
Andreas Gampe | 0f01b58 | 2017-01-18 15:22:37 -0800 | [diff] [blame] | 31 | #include "class_linker.h" |
Andreas Gampe | 8cf9cb3 | 2017-07-19 09:28:38 -0700 | [diff] [blame] | 32 | #include "gc_root.h" |
Andreas Gampe | 0f01b58 | 2017-01-18 15:22:37 -0800 | [diff] [blame] | 33 | #include "handle.h" |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 34 | #include "jdwp/jdwp.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 35 | #include "jni.h" |
| 36 | #include "jvalue.h" |
Mathieu Chartier | 3398c78 | 2016-09-30 10:27:43 -0700 | [diff] [blame] | 37 | #include "obj_ptr.h" |
Alex Light | 2161193 | 2017-09-26 13:07:39 -0700 | [diff] [blame] | 38 | #include "runtime_callbacks.h" |
Mingyao Yang | 99170c6 | 2015-07-06 11:10:37 -0700 | [diff] [blame] | 39 | #include "thread.h" |
Jeff Hao | 920af3e | 2013-08-28 15:46:38 -0700 | [diff] [blame] | 40 | #include "thread_state.h" |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 41 | |
| 42 | namespace art { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 43 | namespace mirror { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 44 | class Class; |
| 45 | class Object; |
| 46 | class Throwable; |
| 47 | } // namespace mirror |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 48 | class ArtField; |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 49 | class ArtMethod; |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 50 | class ObjectRegistry; |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 51 | class ScopedObjectAccess; |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 52 | class ScopedObjectAccessUnchecked; |
Sebastien Hertz | 8009f39 | 2014-09-01 17:07:11 +0200 | [diff] [blame] | 53 | class StackVisitor; |
Ian Rogers | 1b09b09 | 2012-08-20 15:35:52 -0700 | [diff] [blame] | 54 | class Thread; |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 55 | |
Alex Light | 4032071 | 2017-12-14 11:52:04 -0800 | [diff] [blame] | 56 | struct DebuggerActiveMethodInspectionCallback : public MethodInspectionCallback { |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 57 | bool IsMethodBeingInspected(ArtMethod* method) override REQUIRES_SHARED(Locks::mutator_lock_); |
| 58 | bool IsMethodSafeToJit(ArtMethod* method) override REQUIRES_SHARED(Locks::mutator_lock_); |
| 59 | bool MethodNeedsDebugVersion(ArtMethod* method) override REQUIRES_SHARED(Locks::mutator_lock_); |
Alex Light | 4032071 | 2017-12-14 11:52:04 -0800 | [diff] [blame] | 60 | }; |
| 61 | |
Alex Light | 8c2b929 | 2017-11-09 13:21:01 -0800 | [diff] [blame] | 62 | struct DebuggerDdmCallback : public DdmCallback { |
| 63 | void DdmPublishChunk(uint32_t type, const ArrayRef<const uint8_t>& data) |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 64 | override REQUIRES_SHARED(Locks::mutator_lock_); |
Alex Light | 8c2b929 | 2017-11-09 13:21:01 -0800 | [diff] [blame] | 65 | }; |
| 66 | |
Alex Light | 4032071 | 2017-12-14 11:52:04 -0800 | [diff] [blame] | 67 | struct InternalDebuggerControlCallback : public DebuggerControlCallback { |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 68 | void StartDebugger() override; |
| 69 | void StopDebugger() override; |
| 70 | bool IsDebuggerConfigured() override; |
Alex Light | 2161193 | 2017-09-26 13:07:39 -0700 | [diff] [blame] | 71 | }; |
| 72 | |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 73 | /* |
| 74 | * Invoke-during-breakpoint support. |
| 75 | */ |
| 76 | struct DebugInvokeReq { |
Vladimir Marko | 4617d58 | 2019-03-28 13:48:31 +0000 | [diff] [blame] | 77 | DebugInvokeReq(uint32_t invoke_request_id, |
| 78 | JDWP::ObjectId invoke_thread_id, |
| 79 | ObjPtr<mirror::Object> invoke_receiver, |
| 80 | ObjPtr<mirror::Class> invoke_class, |
| 81 | ArtMethod* invoke_method, |
| 82 | uint32_t invoke_options, |
| 83 | uint64_t args[], |
| 84 | uint32_t args_count) |
| 85 | : request_id(invoke_request_id), |
| 86 | thread_id(invoke_thread_id), |
| 87 | receiver(invoke_receiver), |
| 88 | klass(invoke_class), |
| 89 | method(invoke_method), |
| 90 | arg_count(args_count), |
| 91 | arg_values(args), |
| 92 | options(invoke_options), |
| 93 | reply(JDWP::expandBufAlloc()) { |
Elliott Hughes | 475fc23 | 2011-10-25 15:00:35 -0700 | [diff] [blame] | 94 | } |
| 95 | |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 96 | ~DebugInvokeReq() { |
| 97 | JDWP::expandBufFree(reply); |
| 98 | } |
| 99 | |
| 100 | // Request |
| 101 | const uint32_t request_id; |
| 102 | const JDWP::ObjectId thread_id; |
| 103 | GcRoot<mirror::Object> receiver; // not used for ClassType.InvokeMethod. |
Sebastien Hertz | 1558b57 | 2015-02-25 15:05:59 +0100 | [diff] [blame] | 104 | GcRoot<mirror::Class> klass; |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 105 | ArtMethod* const method; |
Sebastien Hertz | 1558b57 | 2015-02-25 15:05:59 +0100 | [diff] [blame] | 106 | const uint32_t arg_count; |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 107 | std::unique_ptr<uint64_t[]> arg_values; // will be null if arg_count_ == 0. We take ownership |
| 108 | // of this array so we must delete it upon destruction. |
Sebastien Hertz | 1558b57 | 2015-02-25 15:05:59 +0100 | [diff] [blame] | 109 | const uint32_t options; |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 110 | |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 111 | // Reply |
| 112 | JDWP::ExpandBuf* const reply; |
Sebastien Hertz | 61b7f1b | 2013-11-15 15:59:30 +0100 | [diff] [blame] | 113 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 114 | void VisitRoots(RootVisitor* visitor, const RootInfo& root_info) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 115 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 3b05e9b | 2014-03-25 09:29:43 -0700 | [diff] [blame] | 116 | |
Sebastien Hertz | 61b7f1b | 2013-11-15 15:59:30 +0100 | [diff] [blame] | 117 | private: |
| 118 | DISALLOW_COPY_AND_ASSIGN(DebugInvokeReq); |
| 119 | }; |
| 120 | |
| 121 | // Thread local data-structure that holds fields for controlling single-stepping. |
Sebastien Hertz | 597c4f0 | 2015-01-26 17:37:14 +0100 | [diff] [blame] | 122 | class SingleStepControl { |
| 123 | public: |
| 124 | SingleStepControl(JDWP::JdwpStepSize step_size, JDWP::JdwpStepDepth step_depth, |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 125 | int stack_depth, ArtMethod* method) |
Sebastien Hertz | 597c4f0 | 2015-01-26 17:37:14 +0100 | [diff] [blame] | 126 | : step_size_(step_size), step_depth_(step_depth), |
| 127 | stack_depth_(stack_depth), method_(method) { |
Sebastien Hertz | 61b7f1b | 2013-11-15 15:59:30 +0100 | [diff] [blame] | 128 | } |
| 129 | |
Sebastien Hertz | 597c4f0 | 2015-01-26 17:37:14 +0100 | [diff] [blame] | 130 | JDWP::JdwpStepSize GetStepSize() const { |
| 131 | return step_size_; |
| 132 | } |
Sebastien Hertz | 61b7f1b | 2013-11-15 15:59:30 +0100 | [diff] [blame] | 133 | |
Sebastien Hertz | 597c4f0 | 2015-01-26 17:37:14 +0100 | [diff] [blame] | 134 | JDWP::JdwpStepDepth GetStepDepth() const { |
| 135 | return step_depth_; |
| 136 | } |
| 137 | |
| 138 | int GetStackDepth() const { |
| 139 | return stack_depth_; |
| 140 | } |
| 141 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 142 | ArtMethod* GetMethod() const { |
| 143 | return method_; |
Sebastien Hertz | 597c4f0 | 2015-01-26 17:37:14 +0100 | [diff] [blame] | 144 | } |
| 145 | |
| 146 | const std::set<uint32_t>& GetDexPcs() const { |
| 147 | return dex_pcs_; |
| 148 | } |
| 149 | |
Sebastien Hertz | 597c4f0 | 2015-01-26 17:37:14 +0100 | [diff] [blame] | 150 | void AddDexPc(uint32_t dex_pc); |
| 151 | |
| 152 | bool ContainsDexPc(uint32_t dex_pc) const; |
| 153 | |
| 154 | private: |
Sebastien Hertz | 61b7f1b | 2013-11-15 15:59:30 +0100 | [diff] [blame] | 155 | // See JdwpStepSize and JdwpStepDepth for details. |
Sebastien Hertz | 597c4f0 | 2015-01-26 17:37:14 +0100 | [diff] [blame] | 156 | const JDWP::JdwpStepSize step_size_; |
| 157 | const JDWP::JdwpStepDepth step_depth_; |
| 158 | |
| 159 | // The stack depth when this single-step was initiated. This is used to support SD_OVER and SD_OUT |
| 160 | // single-step depth. |
| 161 | const int stack_depth_; |
Sebastien Hertz | 61b7f1b | 2013-11-15 15:59:30 +0100 | [diff] [blame] | 162 | |
| 163 | // The location this single-step was initiated from. |
| 164 | // A single-step is initiated in a suspended thread. We save here the current method and the |
| 165 | // set of DEX pcs associated to the source line number where the suspension occurred. |
| 166 | // This is used to support SD_INTO and SD_OVER single-step depths so we detect when a single-step |
| 167 | // causes the execution of an instruction in a different method or at a different line number. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 168 | ArtMethod* method_; |
| 169 | |
Sebastien Hertz | 597c4f0 | 2015-01-26 17:37:14 +0100 | [diff] [blame] | 170 | std::set<uint32_t> dex_pcs_; |
Sebastien Hertz | 61b7f1b | 2013-11-15 15:59:30 +0100 | [diff] [blame] | 171 | |
Sebastien Hertz | 61b7f1b | 2013-11-15 15:59:30 +0100 | [diff] [blame] | 172 | DISALLOW_COPY_AND_ASSIGN(SingleStepControl); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 173 | }; |
| 174 | |
Sebastien Hertz | 42cd43f | 2014-05-13 14:15:41 +0200 | [diff] [blame] | 175 | // TODO rename to InstrumentationRequest. |
Hiroshi Yamauchi | 0ec17d2 | 2014-07-07 13:07:08 -0700 | [diff] [blame] | 176 | class DeoptimizationRequest { |
| 177 | public: |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 178 | enum Kind { |
| 179 | kNothing, // no action. |
Sebastien Hertz | 42cd43f | 2014-05-13 14:15:41 +0200 | [diff] [blame] | 180 | kRegisterForEvent, // start listening for instrumentation event. |
| 181 | kUnregisterForEvent, // stop listening for instrumentation event. |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 182 | kFullDeoptimization, // deoptimize everything. |
| 183 | kFullUndeoptimization, // undeoptimize everything. |
| 184 | kSelectiveDeoptimization, // deoptimize one method. |
| 185 | kSelectiveUndeoptimization // undeoptimize one method. |
| 186 | }; |
| 187 | |
Hiroshi Yamauchi | 0ec17d2 | 2014-07-07 13:07:08 -0700 | [diff] [blame] | 188 | DeoptimizationRequest() : kind_(kNothing), instrumentation_event_(0), method_(nullptr) {} |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 189 | |
Hiroshi Yamauchi | 0ec17d2 | 2014-07-07 13:07:08 -0700 | [diff] [blame] | 190 | DeoptimizationRequest(const DeoptimizationRequest& other) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 191 | REQUIRES_SHARED(Locks::mutator_lock_) |
Hiroshi Yamauchi | 0ec17d2 | 2014-07-07 13:07:08 -0700 | [diff] [blame] | 192 | : kind_(other.kind_), instrumentation_event_(other.instrumentation_event_) { |
| 193 | // Create a new JNI global reference for the method. |
| 194 | SetMethod(other.Method()); |
| 195 | } |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 196 | |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 197 | ArtMethod* Method() const REQUIRES_SHARED(Locks::mutator_lock_); |
Hiroshi Yamauchi | 0ec17d2 | 2014-07-07 13:07:08 -0700 | [diff] [blame] | 198 | |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 199 | void SetMethod(ArtMethod* m) REQUIRES_SHARED(Locks::mutator_lock_); |
Hiroshi Yamauchi | 0ec17d2 | 2014-07-07 13:07:08 -0700 | [diff] [blame] | 200 | |
| 201 | // Name 'Kind()' would collide with the above enum name. |
| 202 | Kind GetKind() const { |
| 203 | return kind_; |
| 204 | } |
| 205 | |
| 206 | void SetKind(Kind kind) { |
| 207 | kind_ = kind; |
| 208 | } |
| 209 | |
| 210 | uint32_t InstrumentationEvent() const { |
| 211 | return instrumentation_event_; |
| 212 | } |
| 213 | |
| 214 | void SetInstrumentationEvent(uint32_t instrumentation_event) { |
| 215 | instrumentation_event_ = instrumentation_event; |
| 216 | } |
| 217 | |
| 218 | private: |
| 219 | Kind kind_; |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 220 | |
Sebastien Hertz | 42cd43f | 2014-05-13 14:15:41 +0200 | [diff] [blame] | 221 | // TODO we could use a union to hold the instrumentation_event and the method since they |
| 222 | // respectively have sense only for kRegisterForEvent/kUnregisterForEvent and |
| 223 | // kSelectiveDeoptimization/kSelectiveUndeoptimization. |
| 224 | |
| 225 | // Event to start or stop listening to. Only for kRegisterForEvent and kUnregisterForEvent. |
Hiroshi Yamauchi | 0ec17d2 | 2014-07-07 13:07:08 -0700 | [diff] [blame] | 226 | uint32_t instrumentation_event_; |
Sebastien Hertz | 42cd43f | 2014-05-13 14:15:41 +0200 | [diff] [blame] | 227 | |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 228 | // Method for selective deoptimization. |
Hiroshi Yamauchi | 0ec17d2 | 2014-07-07 13:07:08 -0700 | [diff] [blame] | 229 | jmethodID method_; |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 230 | }; |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 231 | std::ostream& operator<<(std::ostream& os, const DeoptimizationRequest::Kind& rhs); |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 232 | |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 233 | class Dbg { |
Elliott Hughes | ff17f1f | 2012-01-24 18:12:29 -0800 | [diff] [blame] | 234 | public: |
Elliott Hughes | 4ffd313 | 2011-10-24 12:06:42 -0700 | [diff] [blame] | 235 | static void SetJdwpAllowed(bool allowed); |
Leonard Mosescu | eb84221 | 2016-10-06 17:26:36 -0700 | [diff] [blame] | 236 | static bool IsJdwpAllowed(); |
Elliott Hughes | 4ffd313 | 2011-10-24 12:06:42 -0700 | [diff] [blame] | 237 | |
Sebastien Hertz | b3b173b | 2015-02-06 09:16:32 +0100 | [diff] [blame] | 238 | static void StartJdwp(); |
Elliott Hughes | d1cc836 | 2011-10-24 16:58:50 -0700 | [diff] [blame] | 239 | static void StopJdwp(); |
| 240 | |
Elliott Hughes | 767a147 | 2011-10-26 18:49:02 -0700 | [diff] [blame] | 241 | // Invoked by the GC in case we need to keep DDMS informed. |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 242 | static void GcDidFinish() REQUIRES(!Locks::mutator_lock_); |
Elliott Hughes | 767a147 | 2011-10-26 18:49:02 -0700 | [diff] [blame] | 243 | |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 244 | // Return the DebugInvokeReq for the current thread. |
| 245 | static DebugInvokeReq* GetInvokeReq(); |
| 246 | |
Elliott Hughes | 475fc23 | 2011-10-25 15:00:35 -0700 | [diff] [blame] | 247 | static Thread* GetDebugThread(); |
| 248 | static void ClearWaitForEventThread(); |
| 249 | |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 250 | /* |
| 251 | * Enable/disable breakpoints and step modes. Used to provide a heads-up |
| 252 | * when the debugger attaches. |
| 253 | */ |
| 254 | static void Connected(); |
Sebastien Hertz | 138dbfc | 2013-12-04 18:15:25 +0100 | [diff] [blame] | 255 | static void GoActive() |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 256 | REQUIRES(!Locks::breakpoint_lock_, !Locks::deoptimization_lock_, !Locks::mutator_lock_); |
| 257 | static void Disconnected() REQUIRES(!Locks::deoptimization_lock_, !Locks::mutator_lock_); |
Sebastien Hertz | 4e5b208 | 2015-03-24 19:03:40 +0100 | [diff] [blame] | 258 | static void Dispose() { |
| 259 | gDisposed = true; |
| 260 | } |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 261 | |
Elliott Hughes | c0f0933 | 2012-03-26 13:27:06 -0700 | [diff] [blame] | 262 | // Returns true if we're actually debugging with a real debugger, false if it's |
| 263 | // just DDMS (or nothing at all). |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 264 | static bool IsDebuggerActive() { |
| 265 | return gDebuggerActive; |
| 266 | } |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 267 | |
Sebastien Hertz | b3b173b | 2015-02-06 09:16:32 +0100 | [diff] [blame] | 268 | // Configures JDWP with parsed command-line options. |
Alex Light | 4032071 | 2017-12-14 11:52:04 -0800 | [diff] [blame] | 269 | static void ConfigureJdwp(const JDWP::JdwpOptions& jdwp_options) |
| 270 | REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | b3b173b | 2015-02-06 09:16:32 +0100 | [diff] [blame] | 271 | |
Elliott Hughes | c0f0933 | 2012-03-26 13:27:06 -0700 | [diff] [blame] | 272 | // Returns true if we had -Xrunjdwp or -agentlib:jdwp= on the command line. |
| 273 | static bool IsJdwpConfigured(); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 274 | |
Mathieu Chartier | d856545 | 2015-03-26 09:41:50 -0700 | [diff] [blame] | 275 | // Returns true if a method has any breakpoints. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 276 | static bool MethodHasAnyBreakpoints(ArtMethod* method) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 277 | REQUIRES_SHARED(Locks::mutator_lock_) REQUIRES(!Locks::breakpoint_lock_); |
Mathieu Chartier | d856545 | 2015-03-26 09:41:50 -0700 | [diff] [blame] | 278 | |
Sebastien Hertz | 4e5b208 | 2015-03-24 19:03:40 +0100 | [diff] [blame] | 279 | static bool IsDisposed() { |
| 280 | return gDisposed; |
| 281 | } |
Elliott Hughes | 8696433 | 2012-02-15 19:37:42 -0800 | [diff] [blame] | 282 | |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 283 | /* |
| 284 | * Time, in milliseconds, since the last debugger activity. Does not |
| 285 | * include DDMS activity. Returns -1 if there has been no activity. |
| 286 | * Returns 0 if we're in the middle of handling a debugger request. |
| 287 | */ |
| 288 | static int64_t LastDebuggerActivity(); |
| 289 | |
Sebastien Hertz | 253fa55 | 2014-10-14 17:27:15 +0200 | [diff] [blame] | 290 | static void UndoDebuggerSuspensions() |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 291 | REQUIRES(!Locks::thread_list_lock_, !Locks::thread_suspend_count_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 292 | |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 293 | /* |
| 294 | * Class, Object, Array |
| 295 | */ |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 296 | static std::string GetClassName(JDWP::RefTypeId id) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 297 | REQUIRES_SHARED(Locks::mutator_lock_); |
Vladimir Marko | 4617d58 | 2019-03-28 13:48:31 +0000 | [diff] [blame] | 298 | static std::string GetClassName(ObjPtr<mirror::Class> klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 299 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 300 | static JDWP::JdwpError GetClassObject(JDWP::RefTypeId id, JDWP::ObjectId* class_object_id) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 301 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 302 | static JDWP::JdwpError GetSuperclass(JDWP::RefTypeId id, JDWP::RefTypeId* superclass_id) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 303 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 304 | static JDWP::JdwpError GetClassLoader(JDWP::RefTypeId id, JDWP::ExpandBuf* pReply) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 305 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 306 | static JDWP::JdwpError GetModifiers(JDWP::RefTypeId id, JDWP::ExpandBuf* pReply) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 307 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 308 | static JDWP::JdwpError GetReflectedType(JDWP::RefTypeId class_id, JDWP::ExpandBuf* pReply) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 309 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 310 | static void GetClassList(std::vector<JDWP::RefTypeId>* classes) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 311 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 312 | static JDWP::JdwpError GetClassInfo(JDWP::RefTypeId class_id, JDWP::JdwpTypeTag* pTypeTag, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 313 | uint32_t* pStatus, std::string* pDescriptor) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 314 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 315 | static void FindLoadedClassBySignature(const char* descriptor, std::vector<JDWP::RefTypeId>* ids) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 316 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 64f574f | 2013-02-20 14:57:12 -0800 | [diff] [blame] | 317 | static JDWP::JdwpError GetReferenceType(JDWP::ObjectId object_id, JDWP::ExpandBuf* pReply) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 318 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | fc0e94b | 2013-09-23 23:51:32 -0700 | [diff] [blame] | 319 | static JDWP::JdwpError GetSignature(JDWP::RefTypeId ref_type_id, std::string* signature) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 320 | REQUIRES_SHARED(Locks::mutator_lock_); |
Orion Hodson | 77d8a1c | 2017-04-24 14:53:19 +0100 | [diff] [blame] | 321 | static JDWP::JdwpError GetSourceDebugExtension(JDWP::RefTypeId ref_type_id, |
| 322 | std::string* extension_data) |
| 323 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 324 | static JDWP::JdwpError GetSourceFile(JDWP::RefTypeId ref_type_id, std::string* source_file) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 325 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 326 | static JDWP::JdwpError GetObjectTag(JDWP::ObjectId object_id, uint8_t* tag) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 327 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | aed4be9 | 2011-12-02 16:16:23 -0800 | [diff] [blame] | 328 | static size_t GetTagWidth(JDWP::JdwpTag tag); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 329 | |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 330 | static JDWP::JdwpError GetArrayLength(JDWP::ObjectId array_id, int32_t* length) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 331 | REQUIRES_SHARED(Locks::mutator_lock_); |
Vladimir Marko | 4617d58 | 2019-03-28 13:48:31 +0000 | [diff] [blame] | 332 | static JDWP::JdwpError OutputArray(JDWP::ObjectId array_id, |
| 333 | int offset, |
| 334 | int count, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 335 | JDWP::ExpandBuf* pReply) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 336 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 337 | static JDWP::JdwpError SetArrayElements(JDWP::ObjectId array_id, int offset, int count, |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 338 | JDWP::Request* request) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 339 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 340 | |
Sebastien Hertz | 2c3e77a | 2015-04-02 16:26:48 +0200 | [diff] [blame] | 341 | static JDWP::JdwpError CreateString(const std::string& str, JDWP::ObjectId* new_string_id) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 342 | REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 2c3e77a | 2015-04-02 16:26:48 +0200 | [diff] [blame] | 343 | static JDWP::JdwpError CreateObject(JDWP::RefTypeId class_id, JDWP::ObjectId* new_object_id) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 344 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 345 | static JDWP::JdwpError CreateArrayObject(JDWP::RefTypeId array_class_id, uint32_t length, |
Sebastien Hertz | 2c3e77a | 2015-04-02 16:26:48 +0200 | [diff] [blame] | 346 | JDWP::ObjectId* new_array_id) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 347 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 348 | |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 349 | // |
| 350 | // Event filtering. |
| 351 | // |
| 352 | static bool MatchThread(JDWP::ObjectId expected_thread_id, Thread* event_thread) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 353 | REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 354 | |
| 355 | static bool MatchLocation(const JDWP::JdwpLocation& expected_location, |
| 356 | const JDWP::EventLocation& event_location) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 357 | REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 358 | |
Mathieu Chartier | 3398c78 | 2016-09-30 10:27:43 -0700 | [diff] [blame] | 359 | static bool MatchType(ObjPtr<mirror::Class> event_class, JDWP::RefTypeId class_id) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 360 | REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 361 | |
Vladimir Marko | 8311489 | 2019-04-11 13:05:50 +0100 | [diff] [blame] | 362 | static bool MatchField(JDWP::RefTypeId expected_type_id, |
| 363 | JDWP::FieldId expected_field_id, |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 364 | ArtField* event_field) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 365 | REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 366 | |
Vladimir Marko | 8311489 | 2019-04-11 13:05:50 +0100 | [diff] [blame] | 367 | static bool MatchInstance(JDWP::ObjectId expected_instance_id, |
| 368 | ObjPtr<mirror::Object> event_instance) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 369 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 370 | |
Elliott Hughes | ec0f83d | 2013-01-15 16:54:08 -0800 | [diff] [blame] | 371 | // |
| 372 | // Monitors. |
| 373 | // |
| 374 | static JDWP::JdwpError GetMonitorInfo(JDWP::ObjectId object_id, JDWP::ExpandBuf* reply) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 375 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | ec0f83d | 2013-01-15 16:54:08 -0800 | [diff] [blame] | 376 | static JDWP::JdwpError GetOwnedMonitors(JDWP::ObjectId thread_id, |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 377 | std::vector<JDWP::ObjectId>* monitors, |
| 378 | std::vector<uint32_t>* stack_depths) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 379 | REQUIRES(!Locks::thread_list_lock_) REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 380 | static JDWP::JdwpError GetContendedMonitor(JDWP::ObjectId thread_id, |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 381 | JDWP::ObjectId* contended_monitor) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 382 | REQUIRES(!Locks::thread_list_lock_) REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | ec0f83d | 2013-01-15 16:54:08 -0800 | [diff] [blame] | 383 | |
| 384 | // |
| 385 | // Heap. |
| 386 | // |
| 387 | static JDWP::JdwpError GetInstanceCounts(const std::vector<JDWP::RefTypeId>& class_ids, |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 388 | std::vector<uint64_t>* counts) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 389 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 3b78c94 | 2013-01-15 17:35:41 -0800 | [diff] [blame] | 390 | static JDWP::JdwpError GetInstances(JDWP::RefTypeId class_id, int32_t max_count, |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 391 | std::vector<JDWP::ObjectId>* instances) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 392 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 0cbaff5 | 2013-01-16 15:28:01 -0800 | [diff] [blame] | 393 | static JDWP::JdwpError GetReferringObjects(JDWP::ObjectId object_id, int32_t max_count, |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 394 | std::vector<JDWP::ObjectId>* referring_objects) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 395 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 64f574f | 2013-02-20 14:57:12 -0800 | [diff] [blame] | 396 | static JDWP::JdwpError DisableCollection(JDWP::ObjectId object_id) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 397 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 64f574f | 2013-02-20 14:57:12 -0800 | [diff] [blame] | 398 | static JDWP::JdwpError EnableCollection(JDWP::ObjectId object_id) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 399 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 400 | static JDWP::JdwpError IsCollected(JDWP::ObjectId object_id, bool* is_collected) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 401 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 64f574f | 2013-02-20 14:57:12 -0800 | [diff] [blame] | 402 | static void DisposeObject(JDWP::ObjectId object_id, uint32_t reference_count) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 403 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | ec0f83d | 2013-01-15 16:54:08 -0800 | [diff] [blame] | 404 | |
Elliott Hughes | 9777ba2 | 2013-01-17 09:04:19 -0800 | [diff] [blame] | 405 | // |
| 406 | // Methods and fields. |
| 407 | // |
Elliott Hughes | a96836a | 2013-01-17 12:27:49 -0800 | [diff] [blame] | 408 | static std::string GetMethodName(JDWP::MethodId method_id) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 409 | REQUIRES_SHARED(Locks::mutator_lock_); |
Alex Light | 7337631 | 2017-04-06 10:10:51 -0700 | [diff] [blame] | 410 | static bool IsMethodObsolete(JDWP::MethodId method_id) |
| 411 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 412 | static JDWP::JdwpError OutputDeclaredFields(JDWP::RefTypeId ref_type_id, bool with_generic, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 413 | JDWP::ExpandBuf* pReply) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 414 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 415 | static JDWP::JdwpError OutputDeclaredMethods(JDWP::RefTypeId ref_type_id, bool with_generic, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 416 | JDWP::ExpandBuf* pReply) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 417 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 418 | static JDWP::JdwpError OutputDeclaredInterfaces(JDWP::RefTypeId ref_type_id, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 419 | JDWP::ExpandBuf* pReply) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 420 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 421 | static void OutputLineTable(JDWP::RefTypeId ref_type_id, JDWP::MethodId method_id, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 422 | JDWP::ExpandBuf* pReply) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 423 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 424 | static void OutputVariableTable(JDWP::RefTypeId ref_type_id, JDWP::MethodId id, bool with_generic, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 425 | JDWP::ExpandBuf* pReply) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 426 | REQUIRES_SHARED(Locks::mutator_lock_); |
Jeff Hao | 579b024 | 2013-11-18 13:16:49 -0800 | [diff] [blame] | 427 | static void OutputMethodReturnValue(JDWP::MethodId method_id, const JValue* return_value, |
| 428 | JDWP::ExpandBuf* pReply) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 429 | REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 3f52eaf | 2014-04-04 17:50:18 +0200 | [diff] [blame] | 430 | static void OutputFieldValue(JDWP::FieldId field_id, const JValue* field_value, |
| 431 | JDWP::ExpandBuf* pReply) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 432 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 9777ba2 | 2013-01-17 09:04:19 -0800 | [diff] [blame] | 433 | static JDWP::JdwpError GetBytecodes(JDWP::RefTypeId class_id, JDWP::MethodId method_id, |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 434 | std::vector<uint8_t>* bytecodes) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 435 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 436 | |
Elliott Hughes | a96836a | 2013-01-17 12:27:49 -0800 | [diff] [blame] | 437 | static std::string GetFieldName(JDWP::FieldId field_id) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 438 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 439 | static JDWP::JdwpTag GetFieldBasicTag(JDWP::FieldId field_id) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 440 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 441 | static JDWP::JdwpTag GetStaticFieldBasicTag(JDWP::FieldId field_id) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 442 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 443 | static JDWP::JdwpError GetFieldValue(JDWP::ObjectId object_id, JDWP::FieldId field_id, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 444 | JDWP::ExpandBuf* pReply) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 445 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 446 | static JDWP::JdwpError SetFieldValue(JDWP::ObjectId object_id, JDWP::FieldId field_id, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 447 | uint64_t value, int width) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 448 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 449 | static JDWP::JdwpError GetStaticFieldValue(JDWP::RefTypeId ref_type_id, JDWP::FieldId field_id, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 450 | JDWP::ExpandBuf* pReply) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 451 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 452 | static JDWP::JdwpError SetStaticFieldValue(JDWP::FieldId field_id, uint64_t value, int width) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 453 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 454 | |
Sebastien Hertz | b0b0b49 | 2014-09-15 11:27:27 +0200 | [diff] [blame] | 455 | static JDWP::JdwpError StringToUtf8(JDWP::ObjectId string_id, std::string* str) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 456 | REQUIRES_SHARED(Locks::mutator_lock_); |
Jeff Hao | 579b024 | 2013-11-18 13:16:49 -0800 | [diff] [blame] | 457 | static void OutputJValue(JDWP::JdwpTag tag, const JValue* return_value, JDWP::ExpandBuf* pReply) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 458 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 459 | |
| 460 | /* |
| 461 | * Thread, ThreadGroup, Frame |
| 462 | */ |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 463 | static JDWP::JdwpError GetThreadName(JDWP::ObjectId thread_id, std::string* name) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 464 | REQUIRES_SHARED(Locks::mutator_lock_) REQUIRES(!Locks::thread_list_lock_); |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 465 | static JDWP::JdwpError GetThreadGroup(JDWP::ObjectId thread_id, JDWP::ExpandBuf* pReply) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 466 | REQUIRES_SHARED(Locks::mutator_lock_) REQUIRES(!Locks::thread_list_lock_); |
Sebastien Hertz | a06430c | 2014-09-15 19:21:30 +0200 | [diff] [blame] | 467 | static JDWP::JdwpError GetThreadGroupName(JDWP::ObjectId thread_group_id, |
| 468 | JDWP::ExpandBuf* pReply) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 469 | REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | a06430c | 2014-09-15 19:21:30 +0200 | [diff] [blame] | 470 | static JDWP::JdwpError GetThreadGroupParent(JDWP::ObjectId thread_group_id, |
| 471 | JDWP::ExpandBuf* pReply) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 472 | REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | a06430c | 2014-09-15 19:21:30 +0200 | [diff] [blame] | 473 | static JDWP::JdwpError GetThreadGroupChildren(JDWP::ObjectId thread_group_id, |
| 474 | JDWP::ExpandBuf* pReply) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 475 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 476 | static JDWP::ObjectId GetSystemThreadGroupId() |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 477 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 478 | |
Jeff Hao | 920af3e | 2013-08-28 15:46:38 -0700 | [diff] [blame] | 479 | static JDWP::JdwpThreadStatus ToJdwpThreadStatus(ThreadState state); |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 480 | static JDWP::JdwpError GetThreadStatus(JDWP::ObjectId thread_id, |
| 481 | JDWP::JdwpThreadStatus* pThreadStatus, |
| 482 | JDWP::JdwpSuspendStatus* pSuspendStatus) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 483 | REQUIRES(!Locks::thread_list_lock_); |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 484 | static JDWP::JdwpError GetThreadDebugSuspendCount(JDWP::ObjectId thread_id, |
| 485 | JDWP::ExpandBuf* pReply) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 486 | REQUIRES(!Locks::thread_list_lock_, !Locks::thread_suspend_count_lock_); |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 487 | // static void WaitForSuspend(JDWP::ObjectId thread_id); |
Elliott Hughes | caf7654 | 2012-06-28 16:08:22 -0700 | [diff] [blame] | 488 | |
Elliott Hughes | 026b146 | 2012-06-28 20:43:49 -0700 | [diff] [blame] | 489 | // Fills 'thread_ids' with the threads in the given thread group. If thread_group_id == 0, |
Elliott Hughes | caf7654 | 2012-06-28 16:08:22 -0700 | [diff] [blame] | 490 | // returns all threads. |
Vladimir Marko | 8311489 | 2019-04-11 13:05:50 +0100 | [diff] [blame] | 491 | static void GetThreads(ObjPtr<mirror::Object> thread_group, |
| 492 | std::vector<JDWP::ObjectId>* thread_ids) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 493 | REQUIRES(!Locks::thread_list_lock_) REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | caf7654 | 2012-06-28 16:08:22 -0700 | [diff] [blame] | 494 | |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 495 | static JDWP::JdwpError GetThreadFrameCount(JDWP::ObjectId thread_id, size_t* result) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 496 | REQUIRES(!Locks::thread_list_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 497 | static JDWP::JdwpError GetThreadFrames(JDWP::ObjectId thread_id, size_t start_frame, |
| 498 | size_t frame_count, JDWP::ExpandBuf* buf) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 499 | REQUIRES(!Locks::thread_list_lock_) REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 500 | |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 501 | static JDWP::ObjectId GetThreadSelfId() REQUIRES_SHARED(Locks::mutator_lock_); |
| 502 | static JDWP::ObjectId GetThreadId(Thread* thread) REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 503 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 504 | static void SuspendVM() |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 505 | REQUIRES(!Locks::thread_list_lock_, !Locks::thread_suspend_count_lock_); |
Sebastien Hertz | 253fa55 | 2014-10-14 17:27:15 +0200 | [diff] [blame] | 506 | static void ResumeVM() |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 507 | REQUIRES(!Locks::thread_list_lock_, !Locks::thread_suspend_count_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 508 | static JDWP::JdwpError SuspendThread(JDWP::ObjectId thread_id, bool request_suspension = true) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 509 | REQUIRES(!Locks::mutator_lock_, !Locks::thread_list_lock_, |
| 510 | !Locks::thread_suspend_count_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 511 | |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 512 | static void ResumeThread(JDWP::ObjectId thread_id) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 513 | REQUIRES(!Locks::thread_list_lock_, !Locks::thread_suspend_count_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 514 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 515 | static void SuspendSelf(); |
| 516 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 517 | static JDWP::JdwpError GetThisObject(JDWP::ObjectId thread_id, JDWP::FrameId frame_id, |
| 518 | JDWP::ObjectId* result) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 519 | REQUIRES(!Locks::thread_list_lock_, !Locks::thread_suspend_count_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 520 | REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 8009f39 | 2014-09-01 17:07:11 +0200 | [diff] [blame] | 521 | static JDWP::JdwpError GetLocalValues(JDWP::Request* request, JDWP::ExpandBuf* pReply) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 522 | REQUIRES(!Locks::thread_list_lock_) REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 8009f39 | 2014-09-01 17:07:11 +0200 | [diff] [blame] | 523 | static JDWP::JdwpError SetLocalValues(JDWP::Request* request) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 524 | REQUIRES(!Locks::thread_list_lock_) REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 525 | |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 526 | static JDWP::JdwpError Interrupt(JDWP::ObjectId thread_id) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 527 | REQUIRES(!Locks::thread_list_lock_); |
Elliott Hughes | f950170 | 2013-01-11 11:22:27 -0800 | [diff] [blame] | 528 | |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 529 | /* |
| 530 | * Debugger notification |
| 531 | */ |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 532 | enum EventFlag { |
Elliott Hughes | 8696433 | 2012-02-15 19:37:42 -0800 | [diff] [blame] | 533 | kBreakpoint = 0x01, |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 534 | kSingleStep = 0x02, |
| 535 | kMethodEntry = 0x04, |
| 536 | kMethodExit = 0x08, |
| 537 | }; |
Vladimir Marko | 8311489 | 2019-04-11 13:05:50 +0100 | [diff] [blame] | 538 | static void PostFieldAccessEvent(ArtMethod* m, |
| 539 | int dex_pc, |
| 540 | ObjPtr<mirror::Object> this_object, |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 541 | ArtField* f) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 542 | REQUIRES_SHARED(Locks::mutator_lock_); |
Vladimir Marko | 8311489 | 2019-04-11 13:05:50 +0100 | [diff] [blame] | 543 | static void PostFieldModificationEvent(ArtMethod* m, |
| 544 | int dex_pc, |
| 545 | ObjPtr<mirror::Object> this_object, |
| 546 | ArtField* f, |
Sebastien Hertz | 3f52eaf | 2014-04-04 17:50:18 +0200 | [diff] [blame] | 547 | const JValue* field_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 548 | REQUIRES_SHARED(Locks::mutator_lock_); |
Vladimir Marko | 8311489 | 2019-04-11 13:05:50 +0100 | [diff] [blame] | 549 | static void PostException(ObjPtr<mirror::Throwable> exception) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 550 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 551 | |
Vladimir Marko | 8311489 | 2019-04-11 13:05:50 +0100 | [diff] [blame] | 552 | static void UpdateDebugger(Thread* thread, |
| 553 | ObjPtr<mirror::Object> this_object, |
| 554 | ArtMethod* method, |
| 555 | uint32_t new_dex_pc, |
| 556 | int event_flags, |
| 557 | const JValue* return_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 558 | REQUIRES(!Locks::breakpoint_lock_) REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 91bf6cd | 2012-02-14 17:27:48 -0800 | [diff] [blame] | 559 | |
Sebastien Hertz | f392879 | 2014-11-17 19:00:37 +0100 | [diff] [blame] | 560 | // Indicates whether we need deoptimization for debugging. |
| 561 | static bool RequiresDeoptimization(); |
| 562 | |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 563 | // Records deoptimization request in the queue. |
| 564 | static void RequestDeoptimization(const DeoptimizationRequest& req) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 565 | REQUIRES(!Locks::deoptimization_lock_) REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 138dbfc | 2013-12-04 18:15:25 +0100 | [diff] [blame] | 566 | |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 567 | // Manage deoptimization after updating JDWP events list. Suspends all threads, processes each |
| 568 | // request and finally resumes all threads. |
Sebastien Hertz | 138dbfc | 2013-12-04 18:15:25 +0100 | [diff] [blame] | 569 | static void ManageDeoptimization() |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 570 | REQUIRES(!Locks::deoptimization_lock_) REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 138dbfc | 2013-12-04 18:15:25 +0100 | [diff] [blame] | 571 | |
| 572 | // Breakpoints. |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 573 | static void WatchLocation(const JDWP::JdwpLocation* pLoc, DeoptimizationRequest* req) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 574 | REQUIRES(!Locks::breakpoint_lock_) REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 575 | static void UnwatchLocation(const JDWP::JdwpLocation* pLoc, DeoptimizationRequest* req) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 576 | REQUIRES(!Locks::breakpoint_lock_) REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 138dbfc | 2013-12-04 18:15:25 +0100 | [diff] [blame] | 577 | |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 578 | /* |
| 579 | * Forced interpreter checkers for single-step and continue support. |
| 580 | */ |
| 581 | |
| 582 | // Indicates whether we need to force the use of interpreter to invoke a method. |
| 583 | // This allows to single-step or continue into the called method. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 584 | static bool IsForcedInterpreterNeededForCalling(Thread* thread, ArtMethod* m) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 585 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 586 | if (!IsDebuggerActive()) { |
| 587 | return false; |
| 588 | } |
| 589 | return IsForcedInterpreterNeededForCallingImpl(thread, m); |
| 590 | } |
| 591 | |
| 592 | // Indicates whether we need to force the use of interpreter entrypoint when calling a |
| 593 | // method through the resolution trampoline. This allows to single-step or continue into |
| 594 | // the called method. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 595 | static bool IsForcedInterpreterNeededForResolution(Thread* thread, ArtMethod* m) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 596 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 597 | if (!IsDebuggerActive()) { |
| 598 | return false; |
| 599 | } |
| 600 | return IsForcedInterpreterNeededForResolutionImpl(thread, m); |
| 601 | } |
| 602 | |
| 603 | // Indicates whether we need to force the use of instrumentation entrypoint when calling |
| 604 | // a method through the resolution trampoline. This allows to deoptimize the stack for |
| 605 | // debugging when we returned from the called method. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 606 | static bool IsForcedInstrumentationNeededForResolution(Thread* thread, ArtMethod* m) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 607 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 608 | if (!IsDebuggerActive()) { |
| 609 | return false; |
| 610 | } |
| 611 | return IsForcedInstrumentationNeededForResolutionImpl(thread, m); |
| 612 | } |
| 613 | |
| 614 | // Indicates whether we need to force the use of interpreter when returning from the |
| 615 | // interpreter into the runtime. This allows to deoptimize the stack and continue |
| 616 | // execution with interpreter for debugging. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 617 | static bool IsForcedInterpreterNeededForUpcall(Thread* thread, ArtMethod* m) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 618 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mingyao Yang | 99170c6 | 2015-07-06 11:10:37 -0700 | [diff] [blame] | 619 | if (!IsDebuggerActive() && !thread->HasDebuggerShadowFrames()) { |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 620 | return false; |
| 621 | } |
| 622 | return IsForcedInterpreterNeededForUpcallImpl(thread, m); |
| 623 | } |
| 624 | |
Sebastien Hertz | 520633b | 2015-09-08 17:03:36 +0200 | [diff] [blame] | 625 | // Indicates whether we need to force the use of interpreter when handling an |
| 626 | // exception. This allows to deoptimize the stack and continue execution with |
| 627 | // the interpreter. |
| 628 | // Note: the interpreter will start by handling the exception when executing |
| 629 | // the deoptimized frames. |
| 630 | static bool IsForcedInterpreterNeededForException(Thread* thread) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 631 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mingyao Yang | 99170c6 | 2015-07-06 11:10:37 -0700 | [diff] [blame] | 632 | if (!IsDebuggerActive() && !thread->HasDebuggerShadowFrames()) { |
Sebastien Hertz | 520633b | 2015-09-08 17:03:36 +0200 | [diff] [blame] | 633 | return false; |
| 634 | } |
| 635 | return IsForcedInterpreterNeededForExceptionImpl(thread); |
| 636 | } |
| 637 | |
Sebastien Hertz | 138dbfc | 2013-12-04 18:15:25 +0100 | [diff] [blame] | 638 | // Single-stepping. |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 639 | static JDWP::JdwpError ConfigureStep(JDWP::ObjectId thread_id, JDWP::JdwpStepSize size, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 640 | JDWP::JdwpStepDepth depth) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 641 | REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 61b7f1b | 2013-11-15 15:59:30 +0100 | [diff] [blame] | 642 | static void UnconfigureStep(JDWP::ObjectId thread_id) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 643 | REQUIRES(!Locks::thread_list_lock_) REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 644 | |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 645 | /* |
| 646 | * Invoke support |
| 647 | */ |
| 648 | |
| 649 | // Called by the JDWP thread to prepare invocation in the event thread (suspended on an event). |
| 650 | // If the information sent by the debugger is incorrect, it will send a reply with the |
| 651 | // appropriate error code. Otherwise, it will attach a DebugInvokeReq object to the event thread |
| 652 | // and resume it (and possibly other threads depending on the invoke options). |
| 653 | // Unlike other commands, the JDWP thread will not send the reply to the debugger (see |
| 654 | // JdwpState::ProcessRequest). The reply will be sent by the event thread itself after method |
| 655 | // invocation completes (see FinishInvokeMethod). This is required to allow the JDWP thread to |
| 656 | // process incoming commands from the debugger while the invocation is still in progress in the |
| 657 | // event thread, especially if it gets suspended by a debug event occurring in another thread. |
| 658 | static JDWP::JdwpError PrepareInvokeMethod(uint32_t request_id, JDWP::ObjectId thread_id, |
| 659 | JDWP::ObjectId object_id, JDWP::RefTypeId class_id, |
| 660 | JDWP::MethodId method_id, uint32_t arg_count, |
| 661 | uint64_t arg_values[], JDWP::JdwpTag* arg_types, |
| 662 | uint32_t options) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 663 | REQUIRES(!Locks::thread_list_lock_, !Locks::thread_suspend_count_lock_) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 664 | REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 665 | |
| 666 | // Called by the event thread to execute a method prepared by the JDWP thread in the given |
| 667 | // DebugInvokeReq object. Once the invocation completes, the event thread attaches a reply |
| 668 | // to that DebugInvokeReq object so it can be sent to the debugger only when the event thread |
| 669 | // is ready to suspend (see FinishInvokeMethod). |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 670 | static void ExecuteMethod(DebugInvokeReq* pReq); |
| 671 | |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 672 | // Called by the event thread to send the reply of the invoke (created in ExecuteMethod) |
| 673 | // before suspending itself. This is to ensure the thread is ready to suspend before the |
| 674 | // debugger receives the reply. |
| 675 | static void FinishInvokeMethod(DebugInvokeReq* pReq); |
| 676 | |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 677 | /* |
| 678 | * DDM support. |
| 679 | */ |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 680 | static void DdmSendThreadNotification(Thread* t, uint32_t type) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 681 | REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 682 | static void DdmSetThreadNotification(bool enable) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 683 | REQUIRES(!Locks::thread_list_lock_); |
Alex Light | 8c2b929 | 2017-11-09 13:21:01 -0800 | [diff] [blame] | 684 | static bool DdmHandleChunk( |
| 685 | JNIEnv* env, |
| 686 | uint32_t type, |
| 687 | const ArrayRef<const jbyte>& data, |
| 688 | /*out*/uint32_t* out_type, |
| 689 | /*out*/std::vector<uint8_t>* out_data); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 690 | static bool DdmHandlePacket(JDWP::Request* request, uint8_t** pReplyBuf, int* pReplyLen); |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 691 | static void DdmConnected() REQUIRES_SHARED(Locks::mutator_lock_); |
| 692 | static void DdmDisconnected() REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 767a147 | 2011-10-26 18:49:02 -0700 | [diff] [blame] | 693 | |
Mathieu Chartier | a6b1ead | 2015-10-06 10:32:38 -0700 | [diff] [blame] | 694 | // Visit breakpoint roots, used to prevent unloading of methods with breakpoints. |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 695 | static void VisitRoots(RootVisitor* visitor) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 696 | REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 3b05e9b | 2014-03-25 09:29:43 -0700 | [diff] [blame] | 697 | |
Elliott Hughes | 545a064 | 2011-11-08 19:10:03 -0800 | [diff] [blame] | 698 | /* |
Man Cao | 8c2ff64 | 2015-05-27 17:25:30 -0700 | [diff] [blame] | 699 | * Allocation tracking support. |
Elliott Hughes | 545a064 | 2011-11-08 19:10:03 -0800 | [diff] [blame] | 700 | */ |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 701 | static void SetAllocTrackingEnabled(bool enabled) REQUIRES(!Locks::alloc_tracker_lock_); |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 702 | static jbyteArray GetRecentAllocations() |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 703 | REQUIRES(!Locks::alloc_tracker_lock_) REQUIRES_SHARED(Locks::mutator_lock_); |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 704 | static void DumpRecentAllocations() REQUIRES(!Locks::alloc_tracker_lock_); |
Elliott Hughes | 545a064 | 2011-11-08 19:10:03 -0800 | [diff] [blame] | 705 | |
Elliott Hughes | 767a147 | 2011-10-26 18:49:02 -0700 | [diff] [blame] | 706 | enum HpifWhen { |
| 707 | HPIF_WHEN_NEVER = 0, |
| 708 | HPIF_WHEN_NOW = 1, |
| 709 | HPIF_WHEN_NEXT_GC = 2, |
| 710 | HPIF_WHEN_EVERY_GC = 3 |
| 711 | }; |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 712 | static int DdmHandleHpifChunk(HpifWhen when) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 713 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 767a147 | 2011-10-26 18:49:02 -0700 | [diff] [blame] | 714 | |
| 715 | enum HpsgWhen { |
| 716 | HPSG_WHEN_NEVER = 0, |
| 717 | HPSG_WHEN_EVERY_GC = 1, |
| 718 | }; |
| 719 | enum HpsgWhat { |
| 720 | HPSG_WHAT_MERGED_OBJECTS = 0, |
| 721 | HPSG_WHAT_DISTINCT_OBJECTS = 1, |
| 722 | }; |
| 723 | static bool DdmHandleHpsgNhsgChunk(HpsgWhen when, HpsgWhat what, bool native); |
| 724 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 725 | static void DdmSendHeapInfo(HpifWhen reason) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 726 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 727 | static void DdmSendHeapSegments(bool native) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 728 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | 545a064 | 2011-11-08 19:10:03 -0800 | [diff] [blame] | 729 | |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 730 | static ObjectRegistry* GetObjectRegistry() { |
| 731 | return gRegistry; |
| 732 | } |
| 733 | |
Vladimir Marko | 423bebb | 2019-03-26 15:17:21 +0000 | [diff] [blame] | 734 | static JDWP::JdwpTag TagFromObject(const ScopedObjectAccessUnchecked& soa, |
| 735 | ObjPtr<mirror::Object> o) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 736 | REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 737 | |
Mathieu Chartier | 3398c78 | 2016-09-30 10:27:43 -0700 | [diff] [blame] | 738 | static JDWP::JdwpTypeTag GetTypeTag(ObjPtr<mirror::Class> klass) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 739 | REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 740 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 741 | static JDWP::FieldId ToFieldId(const ArtField* f) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 742 | REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 743 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 744 | static void SetJdwpLocation(JDWP::JdwpLocation* location, ArtMethod* m, uint32_t dex_pc) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 745 | REQUIRES_SHARED(Locks::mutator_lock_) |
Mathieu Chartier | 9044347 | 2015-07-16 20:32:27 -0700 | [diff] [blame] | 746 | REQUIRES(!Locks::thread_list_lock_, !Locks::thread_suspend_count_lock_); |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 747 | |
Mathieu Chartier | ad466ad | 2015-01-08 16:28:08 -0800 | [diff] [blame] | 748 | static JDWP::JdwpState* GetJdwpState(); |
| 749 | |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 750 | static uint32_t GetInstrumentationEvents() REQUIRES_SHARED(Locks::mutator_lock_) { |
Sebastien Hertz | 9d6bf69 | 2015-04-10 12:12:33 +0200 | [diff] [blame] | 751 | return instrumentation_events_; |
| 752 | } |
| 753 | |
Andreas Gampe | 04bbb5b | 2017-01-19 17:49:03 +0000 | [diff] [blame] | 754 | static ThreadLifecycleCallback* GetThreadLifecycleCallback() { |
| 755 | return &thread_lifecycle_callback_; |
| 756 | } |
Andreas Gampe | 0f01b58 | 2017-01-18 15:22:37 -0800 | [diff] [blame] | 757 | static ClassLoadCallback* GetClassLoadCallback() { |
| 758 | return &class_load_callback_; |
| 759 | } |
Andreas Gampe | 04bbb5b | 2017-01-19 17:49:03 +0000 | [diff] [blame] | 760 | |
Elliott Hughes | 545a064 | 2011-11-08 19:10:03 -0800 | [diff] [blame] | 761 | private: |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 762 | static void ExecuteMethodWithoutPendingException(ScopedObjectAccess& soa, DebugInvokeReq* pReq) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 763 | REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 764 | |
| 765 | static void BuildInvokeReply(JDWP::ExpandBuf* pReply, uint32_t request_id, |
| 766 | JDWP::JdwpTag result_tag, uint64_t result_value, |
| 767 | JDWP::ObjectId exception) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 768 | REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 769 | |
Sebastien Hertz | 8009f39 | 2014-09-01 17:07:11 +0200 | [diff] [blame] | 770 | static JDWP::JdwpError GetLocalValue(const StackVisitor& visitor, |
| 771 | ScopedObjectAccessUnchecked& soa, int slot, |
| 772 | JDWP::JdwpTag tag, uint8_t* buf, size_t width) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 773 | REQUIRES(!Locks::thread_list_lock_) REQUIRES_SHARED(Locks::mutator_lock_); |
Mingyao Yang | 99170c6 | 2015-07-06 11:10:37 -0700 | [diff] [blame] | 774 | static JDWP::JdwpError SetLocalValue(Thread* thread, StackVisitor& visitor, int slot, |
| 775 | JDWP::JdwpTag tag, uint64_t value, size_t width) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 776 | REQUIRES(!Locks::thread_list_lock_) REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 8009f39 | 2014-09-01 17:07:11 +0200 | [diff] [blame] | 777 | |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 778 | static void DdmBroadcast(bool connect) REQUIRES_SHARED(Locks::mutator_lock_); |
Andreas Gampe | 04bbb5b | 2017-01-19 17:49:03 +0000 | [diff] [blame] | 779 | |
| 780 | static void PostThreadStart(Thread* t) |
| 781 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 782 | static void PostThreadDeath(Thread* t) |
| 783 | REQUIRES_SHARED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 784 | static void PostThreadStartOrStop(Thread*, uint32_t) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 785 | REQUIRES_SHARED(Locks::mutator_lock_); |
Elliott Hughes | a215526 | 2011-11-16 16:26:58 -0800 | [diff] [blame] | 786 | |
Vladimir Marko | 8311489 | 2019-04-11 13:05:50 +0100 | [diff] [blame] | 787 | static void PostClassPrepare(ObjPtr<mirror::Class> c) |
Andreas Gampe | 0f01b58 | 2017-01-18 15:22:37 -0800 | [diff] [blame] | 788 | REQUIRES_SHARED(Locks::mutator_lock_); |
| 789 | |
Vladimir Marko | 8311489 | 2019-04-11 13:05:50 +0100 | [diff] [blame] | 790 | static void PostLocationEvent(ArtMethod* method, |
| 791 | int pcOffset, |
| 792 | ObjPtr<mirror::Object> thisPtr, |
| 793 | int eventFlags, |
Sebastien Hertz | 8379b22 | 2014-02-24 17:38:15 +0100 | [diff] [blame] | 794 | const JValue* return_value) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 795 | REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 8379b22 | 2014-02-24 17:38:15 +0100 | [diff] [blame] | 796 | |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 797 | static void ProcessDeoptimizationRequest(const DeoptimizationRequest& request) |
Mathieu Chartier | aa51682 | 2015-10-02 15:53:37 -0700 | [diff] [blame] | 798 | REQUIRES(Locks::mutator_lock_, Roles::uninterruptible_); |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 799 | |
Sebastien Hertz | 7ec2f1c | 2014-03-27 20:06:47 +0100 | [diff] [blame] | 800 | static void RequestDeoptimizationLocked(const DeoptimizationRequest& req) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 801 | REQUIRES(Locks::deoptimization_lock_) REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 7ec2f1c | 2014-03-27 20:06:47 +0100 | [diff] [blame] | 802 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 803 | static bool IsForcedInterpreterNeededForCallingImpl(Thread* thread, ArtMethod* m) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 804 | REQUIRES_SHARED(Locks::mutator_lock_); |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 805 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 806 | static bool IsForcedInterpreterNeededForResolutionImpl(Thread* thread, ArtMethod* m) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 807 | REQUIRES_SHARED(Locks::mutator_lock_); |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 808 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 809 | static bool IsForcedInstrumentationNeededForResolutionImpl(Thread* thread, ArtMethod* m) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 810 | REQUIRES_SHARED(Locks::mutator_lock_); |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 811 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 812 | static bool IsForcedInterpreterNeededForUpcallImpl(Thread* thread, ArtMethod* m) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 813 | REQUIRES_SHARED(Locks::mutator_lock_); |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 814 | |
Sebastien Hertz | 520633b | 2015-09-08 17:03:36 +0200 | [diff] [blame] | 815 | static bool IsForcedInterpreterNeededForExceptionImpl(Thread* thread) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 816 | REQUIRES_SHARED(Locks::mutator_lock_); |
Sebastien Hertz | 520633b | 2015-09-08 17:03:36 +0200 | [diff] [blame] | 817 | |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 818 | // Indicates whether the debugger is making requests. |
| 819 | static bool gDebuggerActive; |
| 820 | |
Alex Light | 2161193 | 2017-09-26 13:07:39 -0700 | [diff] [blame] | 821 | static DebuggerActiveMethodInspectionCallback gDebugActiveCallback; |
Alex Light | 8c2b929 | 2017-11-09 13:21:01 -0800 | [diff] [blame] | 822 | static DebuggerDdmCallback gDebugDdmCallback; |
Alex Light | 4032071 | 2017-12-14 11:52:04 -0800 | [diff] [blame] | 823 | static InternalDebuggerControlCallback gDebuggerControlCallback; |
Alex Light | 2161193 | 2017-09-26 13:07:39 -0700 | [diff] [blame] | 824 | |
Sebastien Hertz | 4e5b208 | 2015-03-24 19:03:40 +0100 | [diff] [blame] | 825 | // Indicates whether we should drop the JDWP connection because the runtime stops or the |
| 826 | // debugger called VirtualMachine.Dispose. |
| 827 | static bool gDisposed; |
| 828 | |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 829 | // The registry mapping objects to JDWP ids. |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 830 | static ObjectRegistry* gRegistry; |
| 831 | |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 832 | // Deoptimization requests to be processed each time the event list is updated. This is used when |
| 833 | // registering and unregistering events so we do not deoptimize while holding the event list |
| 834 | // lock. |
Sebastien Hertz | 42cd43f | 2014-05-13 14:15:41 +0200 | [diff] [blame] | 835 | // TODO rename to instrumentation_requests. |
Brian Carlstrom | 306db81 | 2014-09-05 13:01:41 -0700 | [diff] [blame] | 836 | static std::vector<DeoptimizationRequest> deoptimization_requests_ GUARDED_BY(Locks::deoptimization_lock_); |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 837 | |
| 838 | // Count the number of events requiring full deoptimization. When the counter is > 0, everything |
| 839 | // is deoptimized, otherwise everything is undeoptimized. |
| 840 | // Note: we fully deoptimize on the first event only (when the counter is set to 1). We fully |
| 841 | // undeoptimize when the last event is unregistered (when the counter is set to 0). |
Brian Carlstrom | 306db81 | 2014-09-05 13:01:41 -0700 | [diff] [blame] | 842 | static size_t full_deoptimization_event_count_ GUARDED_BY(Locks::deoptimization_lock_); |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 843 | |
Sebastien Hertz | 42cd43f | 2014-05-13 14:15:41 +0200 | [diff] [blame] | 844 | static size_t* GetReferenceCounterForEvent(uint32_t instrumentation_event); |
| 845 | |
| 846 | // Instrumentation event reference counters. |
| 847 | // TODO we could use an array instead of having all these dedicated counters. Instrumentation |
| 848 | // events are bits of a mask so we could convert them to array index. |
Brian Carlstrom | 306db81 | 2014-09-05 13:01:41 -0700 | [diff] [blame] | 849 | static size_t dex_pc_change_event_ref_count_ GUARDED_BY(Locks::deoptimization_lock_); |
| 850 | static size_t method_enter_event_ref_count_ GUARDED_BY(Locks::deoptimization_lock_); |
| 851 | static size_t method_exit_event_ref_count_ GUARDED_BY(Locks::deoptimization_lock_); |
| 852 | static size_t field_read_event_ref_count_ GUARDED_BY(Locks::deoptimization_lock_); |
| 853 | static size_t field_write_event_ref_count_ GUARDED_BY(Locks::deoptimization_lock_); |
| 854 | static size_t exception_catch_event_ref_count_ GUARDED_BY(Locks::deoptimization_lock_); |
Sebastien Hertz | 42cd43f | 2014-05-13 14:15:41 +0200 | [diff] [blame] | 855 | static uint32_t instrumentation_events_ GUARDED_BY(Locks::mutator_lock_); |
| 856 | |
Andreas Gampe | 04bbb5b | 2017-01-19 17:49:03 +0000 | [diff] [blame] | 857 | class DbgThreadLifecycleCallback : public ThreadLifecycleCallback { |
| 858 | public: |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 859 | void ThreadStart(Thread* self) override REQUIRES_SHARED(Locks::mutator_lock_); |
| 860 | void ThreadDeath(Thread* self) override REQUIRES_SHARED(Locks::mutator_lock_); |
Andreas Gampe | 04bbb5b | 2017-01-19 17:49:03 +0000 | [diff] [blame] | 861 | }; |
| 862 | |
Andreas Gampe | 0f01b58 | 2017-01-18 15:22:37 -0800 | [diff] [blame] | 863 | class DbgClassLoadCallback : public ClassLoadCallback { |
| 864 | public: |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 865 | void ClassLoad(Handle<mirror::Class> klass) override REQUIRES_SHARED(Locks::mutator_lock_); |
Andreas Gampe | 0f01b58 | 2017-01-18 15:22:37 -0800 | [diff] [blame] | 866 | void ClassPrepare(Handle<mirror::Class> temp_klass, |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 867 | Handle<mirror::Class> klass) override REQUIRES_SHARED(Locks::mutator_lock_); |
Andreas Gampe | 0f01b58 | 2017-01-18 15:22:37 -0800 | [diff] [blame] | 868 | }; |
| 869 | |
Andreas Gampe | 04bbb5b | 2017-01-19 17:49:03 +0000 | [diff] [blame] | 870 | static DbgThreadLifecycleCallback thread_lifecycle_callback_; |
Andreas Gampe | 0f01b58 | 2017-01-18 15:22:37 -0800 | [diff] [blame] | 871 | static DbgClassLoadCallback class_load_callback_; |
Andreas Gampe | 04bbb5b | 2017-01-19 17:49:03 +0000 | [diff] [blame] | 872 | |
Ian Rogers | 719d1a3 | 2014-03-06 12:13:39 -0800 | [diff] [blame] | 873 | DISALLOW_COPY_AND_ASSIGN(Dbg); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 874 | }; |
| 875 | |
| 876 | #define CHUNK_TYPE(_name) \ |
Elliott Hughes | 8218847 | 2011-11-07 18:11:48 -0800 | [diff] [blame] | 877 | static_cast<uint32_t>((_name)[0] << 24 | (_name)[1] << 16 | (_name)[2] << 8 | (_name)[3]) |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 878 | |
| 879 | } // namespace art |
| 880 | |
Brian Carlstrom | fc0e321 | 2013-07-17 14:40:12 -0700 | [diff] [blame] | 881 | #endif // ART_RUNTIME_DEBUGGER_H_ |