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 | |
Mathieu Chartier | e34fa1d | 2015-01-14 14:55:47 -0800 | [diff] [blame] | 30 | #include "gc_root.h" |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 31 | #include "jdwp/jdwp.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 32 | #include "jni.h" |
| 33 | #include "jvalue.h" |
Jeff Hao | 920af3e | 2013-08-28 15:46:38 -0700 | [diff] [blame] | 34 | #include "thread_state.h" |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 35 | |
| 36 | namespace art { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 37 | namespace mirror { |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 38 | class Class; |
| 39 | class Object; |
| 40 | class Throwable; |
| 41 | } // namespace mirror |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 42 | class ArtField; |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 43 | class ArtMethod; |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 44 | class ObjectRegistry; |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 45 | class ScopedObjectAccess; |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 46 | class ScopedObjectAccessUnchecked; |
Sebastien Hertz | 8009f39 | 2014-09-01 17:07:11 +0200 | [diff] [blame] | 47 | class StackVisitor; |
Ian Rogers | 1b09b09 | 2012-08-20 15:35:52 -0700 | [diff] [blame] | 48 | class Thread; |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 49 | |
| 50 | /* |
| 51 | * Invoke-during-breakpoint support. |
| 52 | */ |
| 53 | struct DebugInvokeReq { |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 54 | DebugInvokeReq(uint32_t invoke_request_id, JDWP::ObjectId invoke_thread_id, |
| 55 | mirror::Object* invoke_receiver, mirror::Class* invoke_class, |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 56 | ArtMethod* invoke_method, uint32_t invoke_options, |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 57 | uint64_t args[], uint32_t args_count) |
| 58 | : request_id(invoke_request_id), thread_id(invoke_thread_id), receiver(invoke_receiver), |
| 59 | klass(invoke_class), method(invoke_method), arg_count(args_count), arg_values(args), |
| 60 | options(invoke_options), reply(JDWP::expandBufAlloc()) { |
Elliott Hughes | 475fc23 | 2011-10-25 15:00:35 -0700 | [diff] [blame] | 61 | } |
| 62 | |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 63 | ~DebugInvokeReq() { |
| 64 | JDWP::expandBufFree(reply); |
| 65 | } |
| 66 | |
| 67 | // Request |
| 68 | const uint32_t request_id; |
| 69 | const JDWP::ObjectId thread_id; |
| 70 | GcRoot<mirror::Object> receiver; // not used for ClassType.InvokeMethod. |
Sebastien Hertz | 1558b57 | 2015-02-25 15:05:59 +0100 | [diff] [blame] | 71 | GcRoot<mirror::Class> klass; |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 72 | ArtMethod* const method; |
Sebastien Hertz | 1558b57 | 2015-02-25 15:05:59 +0100 | [diff] [blame] | 73 | const uint32_t arg_count; |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 74 | std::unique_ptr<uint64_t[]> arg_values; // will be null if arg_count_ == 0. We take ownership |
| 75 | // of this array so we must delete it upon destruction. |
Sebastien Hertz | 1558b57 | 2015-02-25 15:05:59 +0100 | [diff] [blame] | 76 | const uint32_t options; |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 77 | |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 78 | // Reply |
| 79 | JDWP::ExpandBuf* const reply; |
Sebastien Hertz | 61b7f1b | 2013-11-15 15:59:30 +0100 | [diff] [blame] | 80 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 81 | void VisitRoots(RootVisitor* visitor, const RootInfo& root_info) |
Mathieu Chartier | 3b05e9b | 2014-03-25 09:29:43 -0700 | [diff] [blame] | 82 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 83 | |
Sebastien Hertz | 61b7f1b | 2013-11-15 15:59:30 +0100 | [diff] [blame] | 84 | private: |
| 85 | DISALLOW_COPY_AND_ASSIGN(DebugInvokeReq); |
| 86 | }; |
| 87 | |
| 88 | // Thread local data-structure that holds fields for controlling single-stepping. |
Sebastien Hertz | 597c4f0 | 2015-01-26 17:37:14 +0100 | [diff] [blame] | 89 | class SingleStepControl { |
| 90 | public: |
| 91 | SingleStepControl(JDWP::JdwpStepSize step_size, JDWP::JdwpStepDepth step_depth, |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 92 | int stack_depth, ArtMethod* method) |
Sebastien Hertz | 597c4f0 | 2015-01-26 17:37:14 +0100 | [diff] [blame] | 93 | : step_size_(step_size), step_depth_(step_depth), |
| 94 | stack_depth_(stack_depth), method_(method) { |
Sebastien Hertz | 61b7f1b | 2013-11-15 15:59:30 +0100 | [diff] [blame] | 95 | } |
| 96 | |
Sebastien Hertz | 597c4f0 | 2015-01-26 17:37:14 +0100 | [diff] [blame] | 97 | JDWP::JdwpStepSize GetStepSize() const { |
| 98 | return step_size_; |
| 99 | } |
Sebastien Hertz | 61b7f1b | 2013-11-15 15:59:30 +0100 | [diff] [blame] | 100 | |
Sebastien Hertz | 597c4f0 | 2015-01-26 17:37:14 +0100 | [diff] [blame] | 101 | JDWP::JdwpStepDepth GetStepDepth() const { |
| 102 | return step_depth_; |
| 103 | } |
| 104 | |
| 105 | int GetStackDepth() const { |
| 106 | return stack_depth_; |
| 107 | } |
| 108 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 109 | ArtMethod* GetMethod() const { |
| 110 | return method_; |
Sebastien Hertz | 597c4f0 | 2015-01-26 17:37:14 +0100 | [diff] [blame] | 111 | } |
| 112 | |
| 113 | const std::set<uint32_t>& GetDexPcs() const { |
| 114 | return dex_pcs_; |
| 115 | } |
| 116 | |
Sebastien Hertz | 597c4f0 | 2015-01-26 17:37:14 +0100 | [diff] [blame] | 117 | void AddDexPc(uint32_t dex_pc); |
| 118 | |
| 119 | bool ContainsDexPc(uint32_t dex_pc) const; |
| 120 | |
| 121 | private: |
Sebastien Hertz | 61b7f1b | 2013-11-15 15:59:30 +0100 | [diff] [blame] | 122 | // See JdwpStepSize and JdwpStepDepth for details. |
Sebastien Hertz | 597c4f0 | 2015-01-26 17:37:14 +0100 | [diff] [blame] | 123 | const JDWP::JdwpStepSize step_size_; |
| 124 | const JDWP::JdwpStepDepth step_depth_; |
| 125 | |
| 126 | // The stack depth when this single-step was initiated. This is used to support SD_OVER and SD_OUT |
| 127 | // single-step depth. |
| 128 | const int stack_depth_; |
Sebastien Hertz | 61b7f1b | 2013-11-15 15:59:30 +0100 | [diff] [blame] | 129 | |
| 130 | // The location this single-step was initiated from. |
| 131 | // A single-step is initiated in a suspended thread. We save here the current method and the |
| 132 | // set of DEX pcs associated to the source line number where the suspension occurred. |
| 133 | // This is used to support SD_INTO and SD_OVER single-step depths so we detect when a single-step |
| 134 | // 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] | 135 | ArtMethod* method_; |
| 136 | |
Sebastien Hertz | 597c4f0 | 2015-01-26 17:37:14 +0100 | [diff] [blame] | 137 | std::set<uint32_t> dex_pcs_; |
Sebastien Hertz | 61b7f1b | 2013-11-15 15:59:30 +0100 | [diff] [blame] | 138 | |
Sebastien Hertz | 61b7f1b | 2013-11-15 15:59:30 +0100 | [diff] [blame] | 139 | DISALLOW_COPY_AND_ASSIGN(SingleStepControl); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 140 | }; |
| 141 | |
Sebastien Hertz | 42cd43f | 2014-05-13 14:15:41 +0200 | [diff] [blame] | 142 | // TODO rename to InstrumentationRequest. |
Hiroshi Yamauchi | 0ec17d2 | 2014-07-07 13:07:08 -0700 | [diff] [blame] | 143 | class DeoptimizationRequest { |
| 144 | public: |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 145 | enum Kind { |
| 146 | kNothing, // no action. |
Sebastien Hertz | 42cd43f | 2014-05-13 14:15:41 +0200 | [diff] [blame] | 147 | kRegisterForEvent, // start listening for instrumentation event. |
| 148 | kUnregisterForEvent, // stop listening for instrumentation event. |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 149 | kFullDeoptimization, // deoptimize everything. |
| 150 | kFullUndeoptimization, // undeoptimize everything. |
| 151 | kSelectiveDeoptimization, // deoptimize one method. |
| 152 | kSelectiveUndeoptimization // undeoptimize one method. |
| 153 | }; |
| 154 | |
Hiroshi Yamauchi | 0ec17d2 | 2014-07-07 13:07:08 -0700 | [diff] [blame] | 155 | DeoptimizationRequest() : kind_(kNothing), instrumentation_event_(0), method_(nullptr) {} |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 156 | |
Hiroshi Yamauchi | 0ec17d2 | 2014-07-07 13:07:08 -0700 | [diff] [blame] | 157 | DeoptimizationRequest(const DeoptimizationRequest& other) |
| 158 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) |
| 159 | : kind_(other.kind_), instrumentation_event_(other.instrumentation_event_) { |
| 160 | // Create a new JNI global reference for the method. |
| 161 | SetMethod(other.Method()); |
| 162 | } |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 163 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 164 | ArtMethod* Method() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Hiroshi Yamauchi | 0ec17d2 | 2014-07-07 13:07:08 -0700 | [diff] [blame] | 165 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 166 | void SetMethod(ArtMethod* m) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Hiroshi Yamauchi | 0ec17d2 | 2014-07-07 13:07:08 -0700 | [diff] [blame] | 167 | |
| 168 | // Name 'Kind()' would collide with the above enum name. |
| 169 | Kind GetKind() const { |
| 170 | return kind_; |
| 171 | } |
| 172 | |
| 173 | void SetKind(Kind kind) { |
| 174 | kind_ = kind; |
| 175 | } |
| 176 | |
| 177 | uint32_t InstrumentationEvent() const { |
| 178 | return instrumentation_event_; |
| 179 | } |
| 180 | |
| 181 | void SetInstrumentationEvent(uint32_t instrumentation_event) { |
| 182 | instrumentation_event_ = instrumentation_event; |
| 183 | } |
| 184 | |
| 185 | private: |
| 186 | Kind kind_; |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 187 | |
Sebastien Hertz | 42cd43f | 2014-05-13 14:15:41 +0200 | [diff] [blame] | 188 | // TODO we could use a union to hold the instrumentation_event and the method since they |
| 189 | // respectively have sense only for kRegisterForEvent/kUnregisterForEvent and |
| 190 | // kSelectiveDeoptimization/kSelectiveUndeoptimization. |
| 191 | |
| 192 | // Event to start or stop listening to. Only for kRegisterForEvent and kUnregisterForEvent. |
Hiroshi Yamauchi | 0ec17d2 | 2014-07-07 13:07:08 -0700 | [diff] [blame] | 193 | uint32_t instrumentation_event_; |
Sebastien Hertz | 42cd43f | 2014-05-13 14:15:41 +0200 | [diff] [blame] | 194 | |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 195 | // Method for selective deoptimization. |
Hiroshi Yamauchi | 0ec17d2 | 2014-07-07 13:07:08 -0700 | [diff] [blame] | 196 | jmethodID method_; |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 197 | }; |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 198 | std::ostream& operator<<(std::ostream& os, const DeoptimizationRequest::Kind& rhs); |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 199 | |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 200 | class Dbg { |
Elliott Hughes | ff17f1f | 2012-01-24 18:12:29 -0800 | [diff] [blame] | 201 | public: |
Elliott Hughes | 4ffd313 | 2011-10-24 12:06:42 -0700 | [diff] [blame] | 202 | static void SetJdwpAllowed(bool allowed); |
| 203 | |
Sebastien Hertz | b3b173b | 2015-02-06 09:16:32 +0100 | [diff] [blame] | 204 | static void StartJdwp(); |
Elliott Hughes | d1cc836 | 2011-10-24 16:58:50 -0700 | [diff] [blame] | 205 | static void StopJdwp(); |
| 206 | |
Elliott Hughes | 767a147 | 2011-10-26 18:49:02 -0700 | [diff] [blame] | 207 | // Invoked by the GC in case we need to keep DDMS informed. |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 208 | static void GcDidFinish() LOCKS_EXCLUDED(Locks::mutator_lock_); |
Elliott Hughes | 767a147 | 2011-10-26 18:49:02 -0700 | [diff] [blame] | 209 | |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 210 | // Return the DebugInvokeReq for the current thread. |
| 211 | static DebugInvokeReq* GetInvokeReq(); |
| 212 | |
Elliott Hughes | 475fc23 | 2011-10-25 15:00:35 -0700 | [diff] [blame] | 213 | static Thread* GetDebugThread(); |
| 214 | static void ClearWaitForEventThread(); |
| 215 | |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 216 | /* |
| 217 | * Enable/disable breakpoints and step modes. Used to provide a heads-up |
| 218 | * when the debugger attaches. |
| 219 | */ |
| 220 | static void Connected(); |
Sebastien Hertz | 138dbfc | 2013-12-04 18:15:25 +0100 | [diff] [blame] | 221 | static void GoActive() |
Brian Carlstrom | 306db81 | 2014-09-05 13:01:41 -0700 | [diff] [blame] | 222 | LOCKS_EXCLUDED(Locks::breakpoint_lock_, Locks::deoptimization_lock_, Locks::mutator_lock_); |
| 223 | static void Disconnected() LOCKS_EXCLUDED(Locks::deoptimization_lock_, Locks::mutator_lock_); |
Sebastien Hertz | 4e5b208 | 2015-03-24 19:03:40 +0100 | [diff] [blame] | 224 | static void Dispose() { |
| 225 | gDisposed = true; |
| 226 | } |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 227 | |
Elliott Hughes | c0f0933 | 2012-03-26 13:27:06 -0700 | [diff] [blame] | 228 | // Returns true if we're actually debugging with a real debugger, false if it's |
| 229 | // just DDMS (or nothing at all). |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 230 | static bool IsDebuggerActive() { |
| 231 | return gDebuggerActive; |
| 232 | } |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 233 | |
Sebastien Hertz | b3b173b | 2015-02-06 09:16:32 +0100 | [diff] [blame] | 234 | // Configures JDWP with parsed command-line options. |
| 235 | static void ConfigureJdwp(const JDWP::JdwpOptions& jdwp_options); |
| 236 | |
Elliott Hughes | c0f0933 | 2012-03-26 13:27:06 -0700 | [diff] [blame] | 237 | // Returns true if we had -Xrunjdwp or -agentlib:jdwp= on the command line. |
| 238 | static bool IsJdwpConfigured(); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 239 | |
Mathieu Chartier | d856545 | 2015-03-26 09:41:50 -0700 | [diff] [blame] | 240 | // Returns true if a method has any breakpoints. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 241 | static bool MethodHasAnyBreakpoints(ArtMethod* method) |
Sebastien Hertz | 4e5b208 | 2015-03-24 19:03:40 +0100 | [diff] [blame] | 242 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) |
| 243 | LOCKS_EXCLUDED(Locks::breakpoint_lock_); |
Mathieu Chartier | d856545 | 2015-03-26 09:41:50 -0700 | [diff] [blame] | 244 | |
Sebastien Hertz | 4e5b208 | 2015-03-24 19:03:40 +0100 | [diff] [blame] | 245 | static bool IsDisposed() { |
| 246 | return gDisposed; |
| 247 | } |
Elliott Hughes | 8696433 | 2012-02-15 19:37:42 -0800 | [diff] [blame] | 248 | |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 249 | /* |
| 250 | * Time, in milliseconds, since the last debugger activity. Does not |
| 251 | * include DDMS activity. Returns -1 if there has been no activity. |
| 252 | * Returns 0 if we're in the middle of handling a debugger request. |
| 253 | */ |
| 254 | static int64_t LastDebuggerActivity(); |
| 255 | |
Sebastien Hertz | 253fa55 | 2014-10-14 17:27:15 +0200 | [diff] [blame] | 256 | static void UndoDebuggerSuspensions() |
| 257 | LOCKS_EXCLUDED(Locks::thread_list_lock_, |
| 258 | Locks::thread_suspend_count_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 259 | |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 260 | /* |
| 261 | * Class, Object, Array |
| 262 | */ |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 263 | static std::string GetClassName(JDWP::RefTypeId id) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 264 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 265 | static std::string GetClassName(mirror::Class* klass) |
| 266 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 267 | static JDWP::JdwpError GetClassObject(JDWP::RefTypeId id, JDWP::ObjectId* class_object_id) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 268 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 269 | static JDWP::JdwpError GetSuperclass(JDWP::RefTypeId id, JDWP::RefTypeId* superclass_id) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 270 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 271 | static JDWP::JdwpError GetClassLoader(JDWP::RefTypeId id, JDWP::ExpandBuf* pReply) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 272 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 273 | static JDWP::JdwpError GetModifiers(JDWP::RefTypeId id, JDWP::ExpandBuf* pReply) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 274 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 275 | static JDWP::JdwpError GetReflectedType(JDWP::RefTypeId class_id, JDWP::ExpandBuf* pReply) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 276 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 277 | static void GetClassList(std::vector<JDWP::RefTypeId>* classes) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 278 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 279 | static JDWP::JdwpError GetClassInfo(JDWP::RefTypeId class_id, JDWP::JdwpTypeTag* pTypeTag, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 280 | uint32_t* pStatus, std::string* pDescriptor) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 281 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 282 | static void FindLoadedClassBySignature(const char* descriptor, std::vector<JDWP::RefTypeId>* ids) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 283 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 64f574f | 2013-02-20 14:57:12 -0800 | [diff] [blame] | 284 | static JDWP::JdwpError GetReferenceType(JDWP::ObjectId object_id, JDWP::ExpandBuf* pReply) |
| 285 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | fc0e94b | 2013-09-23 23:51:32 -0700 | [diff] [blame] | 286 | static JDWP::JdwpError GetSignature(JDWP::RefTypeId ref_type_id, std::string* signature) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 287 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 288 | static JDWP::JdwpError GetSourceFile(JDWP::RefTypeId ref_type_id, std::string* source_file) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 289 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 290 | static JDWP::JdwpError GetObjectTag(JDWP::ObjectId object_id, uint8_t* tag) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 291 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | aed4be9 | 2011-12-02 16:16:23 -0800 | [diff] [blame] | 292 | static size_t GetTagWidth(JDWP::JdwpTag tag); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 293 | |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 294 | static JDWP::JdwpError GetArrayLength(JDWP::ObjectId array_id, int32_t* length) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 295 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 296 | static JDWP::JdwpError OutputArray(JDWP::ObjectId array_id, int offset, int count, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 297 | JDWP::ExpandBuf* pReply) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 298 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 299 | static JDWP::JdwpError SetArrayElements(JDWP::ObjectId array_id, int offset, int count, |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 300 | JDWP::Request* request) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 301 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 302 | |
Sebastien Hertz | 2c3e77a | 2015-04-02 16:26:48 +0200 | [diff] [blame] | 303 | static JDWP::JdwpError CreateString(const std::string& str, JDWP::ObjectId* new_string_id) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 304 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | 2c3e77a | 2015-04-02 16:26:48 +0200 | [diff] [blame] | 305 | static JDWP::JdwpError CreateObject(JDWP::RefTypeId class_id, JDWP::ObjectId* new_object_id) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 306 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 307 | static JDWP::JdwpError CreateArrayObject(JDWP::RefTypeId array_class_id, uint32_t length, |
Sebastien Hertz | 2c3e77a | 2015-04-02 16:26:48 +0200 | [diff] [blame] | 308 | JDWP::ObjectId* new_array_id) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 309 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 310 | |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 311 | // |
| 312 | // Event filtering. |
| 313 | // |
| 314 | static bool MatchThread(JDWP::ObjectId expected_thread_id, Thread* event_thread) |
| 315 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 316 | |
| 317 | static bool MatchLocation(const JDWP::JdwpLocation& expected_location, |
| 318 | const JDWP::EventLocation& event_location) |
| 319 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 320 | |
| 321 | static bool MatchType(mirror::Class* event_class, JDWP::RefTypeId class_id) |
| 322 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 323 | |
| 324 | static bool MatchField(JDWP::RefTypeId expected_type_id, JDWP::FieldId expected_field_id, |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 325 | ArtField* event_field) |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 326 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 327 | |
| 328 | static bool MatchInstance(JDWP::ObjectId expected_instance_id, mirror::Object* event_instance) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 329 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 330 | |
Elliott Hughes | ec0f83d | 2013-01-15 16:54:08 -0800 | [diff] [blame] | 331 | // |
| 332 | // Monitors. |
| 333 | // |
| 334 | static JDWP::JdwpError GetMonitorInfo(JDWP::ObjectId object_id, JDWP::ExpandBuf* reply) |
| 335 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 336 | static JDWP::JdwpError GetOwnedMonitors(JDWP::ObjectId thread_id, |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 337 | std::vector<JDWP::ObjectId>* monitors, |
| 338 | std::vector<uint32_t>* stack_depths) |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 339 | LOCKS_EXCLUDED(Locks::thread_list_lock_) |
Elliott Hughes | ec0f83d | 2013-01-15 16:54:08 -0800 | [diff] [blame] | 340 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 341 | static JDWP::JdwpError GetContendedMonitor(JDWP::ObjectId thread_id, |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 342 | JDWP::ObjectId* contended_monitor) |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 343 | LOCKS_EXCLUDED(Locks::thread_list_lock_) |
Elliott Hughes | ec0f83d | 2013-01-15 16:54:08 -0800 | [diff] [blame] | 344 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 345 | |
| 346 | // |
| 347 | // Heap. |
| 348 | // |
| 349 | static JDWP::JdwpError GetInstanceCounts(const std::vector<JDWP::RefTypeId>& class_ids, |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 350 | std::vector<uint64_t>* counts) |
Elliott Hughes | ec0f83d | 2013-01-15 16:54:08 -0800 | [diff] [blame] | 351 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 3b78c94 | 2013-01-15 17:35:41 -0800 | [diff] [blame] | 352 | static JDWP::JdwpError GetInstances(JDWP::RefTypeId class_id, int32_t max_count, |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 353 | std::vector<JDWP::ObjectId>* instances) |
Elliott Hughes | 3b78c94 | 2013-01-15 17:35:41 -0800 | [diff] [blame] | 354 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 0cbaff5 | 2013-01-16 15:28:01 -0800 | [diff] [blame] | 355 | static JDWP::JdwpError GetReferringObjects(JDWP::ObjectId object_id, int32_t max_count, |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 356 | std::vector<JDWP::ObjectId>* referring_objects) |
Elliott Hughes | 0cbaff5 | 2013-01-16 15:28:01 -0800 | [diff] [blame] | 357 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 64f574f | 2013-02-20 14:57:12 -0800 | [diff] [blame] | 358 | static JDWP::JdwpError DisableCollection(JDWP::ObjectId object_id) |
| 359 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 360 | static JDWP::JdwpError EnableCollection(JDWP::ObjectId object_id) |
| 361 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 362 | static JDWP::JdwpError IsCollected(JDWP::ObjectId object_id, bool* is_collected) |
Elliott Hughes | 64f574f | 2013-02-20 14:57:12 -0800 | [diff] [blame] | 363 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 364 | static void DisposeObject(JDWP::ObjectId object_id, uint32_t reference_count) |
| 365 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | ec0f83d | 2013-01-15 16:54:08 -0800 | [diff] [blame] | 366 | |
Elliott Hughes | 9777ba2 | 2013-01-17 09:04:19 -0800 | [diff] [blame] | 367 | // |
| 368 | // Methods and fields. |
| 369 | // |
Elliott Hughes | a96836a | 2013-01-17 12:27:49 -0800 | [diff] [blame] | 370 | static std::string GetMethodName(JDWP::MethodId method_id) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 371 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 372 | static JDWP::JdwpError OutputDeclaredFields(JDWP::RefTypeId ref_type_id, bool with_generic, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 373 | JDWP::ExpandBuf* pReply) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 374 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 375 | static JDWP::JdwpError OutputDeclaredMethods(JDWP::RefTypeId ref_type_id, bool with_generic, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 376 | JDWP::ExpandBuf* pReply) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 377 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 378 | static JDWP::JdwpError OutputDeclaredInterfaces(JDWP::RefTypeId ref_type_id, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 379 | JDWP::ExpandBuf* pReply) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 380 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 381 | static void OutputLineTable(JDWP::RefTypeId ref_type_id, JDWP::MethodId method_id, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 382 | JDWP::ExpandBuf* pReply) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 383 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 384 | 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] | 385 | JDWP::ExpandBuf* pReply) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 386 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Jeff Hao | 579b024 | 2013-11-18 13:16:49 -0800 | [diff] [blame] | 387 | static void OutputMethodReturnValue(JDWP::MethodId method_id, const JValue* return_value, |
| 388 | JDWP::ExpandBuf* pReply) |
| 389 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | 3f52eaf | 2014-04-04 17:50:18 +0200 | [diff] [blame] | 390 | static void OutputFieldValue(JDWP::FieldId field_id, const JValue* field_value, |
| 391 | JDWP::ExpandBuf* pReply) |
| 392 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 9777ba2 | 2013-01-17 09:04:19 -0800 | [diff] [blame] | 393 | static JDWP::JdwpError GetBytecodes(JDWP::RefTypeId class_id, JDWP::MethodId method_id, |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 394 | std::vector<uint8_t>* bytecodes) |
Elliott Hughes | 9777ba2 | 2013-01-17 09:04:19 -0800 | [diff] [blame] | 395 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 396 | |
Elliott Hughes | a96836a | 2013-01-17 12:27:49 -0800 | [diff] [blame] | 397 | static std::string GetFieldName(JDWP::FieldId field_id) |
| 398 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 399 | static JDWP::JdwpTag GetFieldBasicTag(JDWP::FieldId field_id) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 400 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 401 | static JDWP::JdwpTag GetStaticFieldBasicTag(JDWP::FieldId field_id) |
Brian Carlstrom | f69863b | 2013-07-17 21:53:13 -0700 | [diff] [blame] | 402 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 403 | static JDWP::JdwpError GetFieldValue(JDWP::ObjectId object_id, JDWP::FieldId field_id, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 404 | JDWP::ExpandBuf* pReply) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 405 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 406 | static JDWP::JdwpError SetFieldValue(JDWP::ObjectId object_id, JDWP::FieldId field_id, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 407 | uint64_t value, int width) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 408 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 409 | 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] | 410 | JDWP::ExpandBuf* pReply) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 411 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 412 | static JDWP::JdwpError SetStaticFieldValue(JDWP::FieldId field_id, uint64_t value, int width) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 413 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 414 | |
Sebastien Hertz | b0b0b49 | 2014-09-15 11:27:27 +0200 | [diff] [blame] | 415 | static JDWP::JdwpError StringToUtf8(JDWP::ObjectId string_id, std::string* str) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 416 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Jeff Hao | 579b024 | 2013-11-18 13:16:49 -0800 | [diff] [blame] | 417 | static void OutputJValue(JDWP::JdwpTag tag, const JValue* return_value, JDWP::ExpandBuf* pReply) |
| 418 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 419 | |
| 420 | /* |
| 421 | * Thread, ThreadGroup, Frame |
| 422 | */ |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 423 | static JDWP::JdwpError GetThreadName(JDWP::ObjectId thread_id, std::string* name) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 424 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) |
| 425 | LOCKS_EXCLUDED(Locks::thread_list_lock_); |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 426 | static JDWP::JdwpError GetThreadGroup(JDWP::ObjectId thread_id, JDWP::ExpandBuf* pReply) |
Sebastien Hertz | a06430c | 2014-09-15 19:21:30 +0200 | [diff] [blame] | 427 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 428 | LOCKS_EXCLUDED(Locks::thread_list_lock_); |
Sebastien Hertz | a06430c | 2014-09-15 19:21:30 +0200 | [diff] [blame] | 429 | static JDWP::JdwpError GetThreadGroupName(JDWP::ObjectId thread_group_id, |
| 430 | JDWP::ExpandBuf* pReply) |
| 431 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 432 | static JDWP::JdwpError GetThreadGroupParent(JDWP::ObjectId thread_group_id, |
| 433 | JDWP::ExpandBuf* pReply) |
| 434 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 435 | static JDWP::JdwpError GetThreadGroupChildren(JDWP::ObjectId thread_group_id, |
| 436 | JDWP::ExpandBuf* pReply) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 437 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 438 | static JDWP::ObjectId GetSystemThreadGroupId() |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 439 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 440 | |
Jeff Hao | 920af3e | 2013-08-28 15:46:38 -0700 | [diff] [blame] | 441 | static JDWP::JdwpThreadStatus ToJdwpThreadStatus(ThreadState state); |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 442 | static JDWP::JdwpError GetThreadStatus(JDWP::ObjectId thread_id, |
| 443 | JDWP::JdwpThreadStatus* pThreadStatus, |
| 444 | JDWP::JdwpSuspendStatus* pSuspendStatus) |
| 445 | LOCKS_EXCLUDED(Locks::thread_list_lock_); |
| 446 | static JDWP::JdwpError GetThreadDebugSuspendCount(JDWP::ObjectId thread_id, |
| 447 | JDWP::ExpandBuf* pReply) |
| 448 | LOCKS_EXCLUDED(Locks::thread_list_lock_, |
| 449 | Locks::thread_suspend_count_lock_); |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 450 | // static void WaitForSuspend(JDWP::ObjectId thread_id); |
Elliott Hughes | caf7654 | 2012-06-28 16:08:22 -0700 | [diff] [blame] | 451 | |
Elliott Hughes | 026b146 | 2012-06-28 20:43:49 -0700 | [diff] [blame] | 452 | // 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] | 453 | // returns all threads. |
Sebastien Hertz | a06430c | 2014-09-15 19:21:30 +0200 | [diff] [blame] | 454 | static void GetThreads(mirror::Object* thread_group, std::vector<JDWP::ObjectId>* thread_ids) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 455 | LOCKS_EXCLUDED(Locks::thread_list_lock_) |
| 456 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | caf7654 | 2012-06-28 16:08:22 -0700 | [diff] [blame] | 457 | |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 458 | static JDWP::JdwpError GetThreadFrameCount(JDWP::ObjectId thread_id, size_t* result) |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 459 | LOCKS_EXCLUDED(Locks::thread_list_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 460 | static JDWP::JdwpError GetThreadFrames(JDWP::ObjectId thread_id, size_t start_frame, |
| 461 | size_t frame_count, JDWP::ExpandBuf* buf) |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 462 | LOCKS_EXCLUDED(Locks::thread_list_lock_) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 463 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 464 | |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 465 | static JDWP::ObjectId GetThreadSelfId() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 466 | static JDWP::ObjectId GetThreadId(Thread* thread) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 467 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 468 | static void SuspendVM() |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 469 | LOCKS_EXCLUDED(Locks::thread_list_lock_, |
| 470 | Locks::thread_suspend_count_lock_); |
Sebastien Hertz | 253fa55 | 2014-10-14 17:27:15 +0200 | [diff] [blame] | 471 | static void ResumeVM() |
| 472 | LOCKS_EXCLUDED(Locks::thread_list_lock_, |
| 473 | Locks::thread_suspend_count_lock_); |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 474 | static JDWP::JdwpError SuspendThread(JDWP::ObjectId thread_id, bool request_suspension = true) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 475 | LOCKS_EXCLUDED(Locks::mutator_lock_, |
| 476 | Locks::thread_list_lock_, |
| 477 | Locks::thread_suspend_count_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 478 | |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 479 | static void ResumeThread(JDWP::ObjectId thread_id) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 480 | LOCKS_EXCLUDED(Locks::thread_list_lock_, |
| 481 | Locks::thread_suspend_count_lock_) |
| 482 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 483 | static void SuspendSelf(); |
| 484 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 485 | static JDWP::JdwpError GetThisObject(JDWP::ObjectId thread_id, JDWP::FrameId frame_id, |
| 486 | JDWP::ObjectId* result) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 487 | LOCKS_EXCLUDED(Locks::thread_list_lock_, |
| 488 | Locks::thread_suspend_count_lock_) |
| 489 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | 8009f39 | 2014-09-01 17:07:11 +0200 | [diff] [blame] | 490 | static JDWP::JdwpError GetLocalValues(JDWP::Request* request, JDWP::ExpandBuf* pReply) |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 491 | LOCKS_EXCLUDED(Locks::thread_list_lock_) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 492 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | 8009f39 | 2014-09-01 17:07:11 +0200 | [diff] [blame] | 493 | static JDWP::JdwpError SetLocalValues(JDWP::Request* request) |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 494 | LOCKS_EXCLUDED(Locks::thread_list_lock_) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 495 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 496 | |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 497 | static JDWP::JdwpError Interrupt(JDWP::ObjectId thread_id) |
| 498 | LOCKS_EXCLUDED(Locks::thread_list_lock_); |
Elliott Hughes | f950170 | 2013-01-11 11:22:27 -0800 | [diff] [blame] | 499 | |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 500 | /* |
| 501 | * Debugger notification |
| 502 | */ |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 503 | enum EventFlag { |
Elliott Hughes | 8696433 | 2012-02-15 19:37:42 -0800 | [diff] [blame] | 504 | kBreakpoint = 0x01, |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 505 | kSingleStep = 0x02, |
| 506 | kMethodEntry = 0x04, |
| 507 | kMethodExit = 0x08, |
| 508 | }; |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 509 | static void PostFieldAccessEvent(ArtMethod* m, int dex_pc, mirror::Object* this_object, |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 510 | ArtField* f) |
Sebastien Hertz | 3f52eaf | 2014-04-04 17:50:18 +0200 | [diff] [blame] | 511 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 512 | static void PostFieldModificationEvent(ArtMethod* m, int dex_pc, |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 513 | mirror::Object* this_object, ArtField* f, |
Sebastien Hertz | 3f52eaf | 2014-04-04 17:50:18 +0200 | [diff] [blame] | 514 | const JValue* field_value) |
| 515 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Nicolas Geoffray | 14691c5 | 2015-03-05 10:40:17 +0000 | [diff] [blame] | 516 | static void PostException(mirror::Throwable* exception) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 517 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 518 | static void PostThreadStart(Thread* t) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 519 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 520 | static void PostThreadDeath(Thread* t) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 521 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 522 | static void PostClassPrepare(mirror::Class* c) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 523 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 524 | |
Ian Rogers | 62d6c77 | 2013-02-27 08:32:07 -0800 | [diff] [blame] | 525 | static void UpdateDebugger(Thread* thread, mirror::Object* this_object, |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 526 | ArtMethod* method, uint32_t new_dex_pc, |
Sebastien Hertz | 8379b22 | 2014-02-24 17:38:15 +0100 | [diff] [blame] | 527 | int event_flags, const JValue* return_value) |
jeffhao | 09bfc6a | 2012-12-11 18:11:43 -0800 | [diff] [blame] | 528 | LOCKS_EXCLUDED(Locks::breakpoint_lock_) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 529 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 91bf6cd | 2012-02-14 17:27:48 -0800 | [diff] [blame] | 530 | |
Sebastien Hertz | f392879 | 2014-11-17 19:00:37 +0100 | [diff] [blame] | 531 | // Indicates whether we need deoptimization for debugging. |
| 532 | static bool RequiresDeoptimization(); |
| 533 | |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 534 | // Records deoptimization request in the queue. |
| 535 | static void RequestDeoptimization(const DeoptimizationRequest& req) |
Brian Carlstrom | 306db81 | 2014-09-05 13:01:41 -0700 | [diff] [blame] | 536 | LOCKS_EXCLUDED(Locks::deoptimization_lock_) |
Sebastien Hertz | 138dbfc | 2013-12-04 18:15:25 +0100 | [diff] [blame] | 537 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 538 | |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 539 | // Manage deoptimization after updating JDWP events list. Suspends all threads, processes each |
| 540 | // request and finally resumes all threads. |
Sebastien Hertz | 138dbfc | 2013-12-04 18:15:25 +0100 | [diff] [blame] | 541 | static void ManageDeoptimization() |
Brian Carlstrom | 306db81 | 2014-09-05 13:01:41 -0700 | [diff] [blame] | 542 | LOCKS_EXCLUDED(Locks::deoptimization_lock_) |
Sebastien Hertz | 138dbfc | 2013-12-04 18:15:25 +0100 | [diff] [blame] | 543 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 544 | |
| 545 | // Breakpoints. |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 546 | static void WatchLocation(const JDWP::JdwpLocation* pLoc, DeoptimizationRequest* req) |
| 547 | LOCKS_EXCLUDED(Locks::breakpoint_lock_) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 548 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 549 | static void UnwatchLocation(const JDWP::JdwpLocation* pLoc, DeoptimizationRequest* req) |
| 550 | LOCKS_EXCLUDED(Locks::breakpoint_lock_) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 551 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | 138dbfc | 2013-12-04 18:15:25 +0100 | [diff] [blame] | 552 | |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 553 | /* |
| 554 | * Forced interpreter checkers for single-step and continue support. |
| 555 | */ |
| 556 | |
| 557 | // Indicates whether we need to force the use of interpreter to invoke a method. |
| 558 | // This allows to single-step or continue into the called method. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 559 | static bool IsForcedInterpreterNeededForCalling(Thread* thread, ArtMethod* m) |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 560 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 561 | if (!IsDebuggerActive()) { |
| 562 | return false; |
| 563 | } |
| 564 | return IsForcedInterpreterNeededForCallingImpl(thread, m); |
| 565 | } |
| 566 | |
| 567 | // Indicates whether we need to force the use of interpreter entrypoint when calling a |
| 568 | // method through the resolution trampoline. This allows to single-step or continue into |
| 569 | // the called method. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 570 | static bool IsForcedInterpreterNeededForResolution(Thread* thread, ArtMethod* m) |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 571 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 572 | if (!IsDebuggerActive()) { |
| 573 | return false; |
| 574 | } |
| 575 | return IsForcedInterpreterNeededForResolutionImpl(thread, m); |
| 576 | } |
| 577 | |
| 578 | // Indicates whether we need to force the use of instrumentation entrypoint when calling |
| 579 | // a method through the resolution trampoline. This allows to deoptimize the stack for |
| 580 | // debugging when we returned from the called method. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 581 | static bool IsForcedInstrumentationNeededForResolution(Thread* thread, ArtMethod* m) |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 582 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 583 | if (!IsDebuggerActive()) { |
| 584 | return false; |
| 585 | } |
| 586 | return IsForcedInstrumentationNeededForResolutionImpl(thread, m); |
| 587 | } |
| 588 | |
| 589 | // Indicates whether we need to force the use of interpreter when returning from the |
| 590 | // interpreter into the runtime. This allows to deoptimize the stack and continue |
| 591 | // execution with interpreter for debugging. |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 592 | static bool IsForcedInterpreterNeededForUpcall(Thread* thread, ArtMethod* m) |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 593 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 594 | if (!IsDebuggerActive()) { |
| 595 | return false; |
| 596 | } |
| 597 | return IsForcedInterpreterNeededForUpcallImpl(thread, m); |
| 598 | } |
| 599 | |
Sebastien Hertz | 138dbfc | 2013-12-04 18:15:25 +0100 | [diff] [blame] | 600 | // Single-stepping. |
Elliott Hughes | 88d6309 | 2013-01-09 09:55:54 -0800 | [diff] [blame] | 601 | static JDWP::JdwpError ConfigureStep(JDWP::ObjectId thread_id, JDWP::JdwpStepSize size, |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 602 | JDWP::JdwpStepDepth depth) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 603 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | 61b7f1b | 2013-11-15 15:59:30 +0100 | [diff] [blame] | 604 | static void UnconfigureStep(JDWP::ObjectId thread_id) |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 605 | LOCKS_EXCLUDED(Locks::thread_list_lock_) |
Sebastien Hertz | 61b7f1b | 2013-11-15 15:59:30 +0100 | [diff] [blame] | 606 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 607 | |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 608 | /* |
| 609 | * Invoke support |
| 610 | */ |
| 611 | |
| 612 | // Called by the JDWP thread to prepare invocation in the event thread (suspended on an event). |
| 613 | // If the information sent by the debugger is incorrect, it will send a reply with the |
| 614 | // appropriate error code. Otherwise, it will attach a DebugInvokeReq object to the event thread |
| 615 | // and resume it (and possibly other threads depending on the invoke options). |
| 616 | // Unlike other commands, the JDWP thread will not send the reply to the debugger (see |
| 617 | // JdwpState::ProcessRequest). The reply will be sent by the event thread itself after method |
| 618 | // invocation completes (see FinishInvokeMethod). This is required to allow the JDWP thread to |
| 619 | // process incoming commands from the debugger while the invocation is still in progress in the |
| 620 | // event thread, especially if it gets suspended by a debug event occurring in another thread. |
| 621 | static JDWP::JdwpError PrepareInvokeMethod(uint32_t request_id, JDWP::ObjectId thread_id, |
| 622 | JDWP::ObjectId object_id, JDWP::RefTypeId class_id, |
| 623 | JDWP::MethodId method_id, uint32_t arg_count, |
| 624 | uint64_t arg_values[], JDWP::JdwpTag* arg_types, |
| 625 | uint32_t options) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 626 | LOCKS_EXCLUDED(Locks::thread_list_lock_, |
| 627 | Locks::thread_suspend_count_lock_) |
| 628 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 629 | |
| 630 | // Called by the event thread to execute a method prepared by the JDWP thread in the given |
| 631 | // DebugInvokeReq object. Once the invocation completes, the event thread attaches a reply |
| 632 | // to that DebugInvokeReq object so it can be sent to the debugger only when the event thread |
| 633 | // is ready to suspend (see FinishInvokeMethod). |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 634 | static void ExecuteMethod(DebugInvokeReq* pReq); |
| 635 | |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 636 | // Called by the event thread to send the reply of the invoke (created in ExecuteMethod) |
| 637 | // before suspending itself. This is to ensure the thread is ready to suspend before the |
| 638 | // debugger receives the reply. |
| 639 | static void FinishInvokeMethod(DebugInvokeReq* pReq); |
| 640 | |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 641 | /* |
| 642 | * DDM support. |
| 643 | */ |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 644 | static void DdmSendThreadNotification(Thread* t, uint32_t type) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 645 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 646 | static void DdmSetThreadNotification(bool enable) |
| 647 | LOCKS_EXCLUDED(Locks::thread_list_lock_); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 648 | static bool DdmHandlePacket(JDWP::Request* request, uint8_t** pReplyBuf, int* pReplyLen); |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 649 | static void DdmConnected() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 650 | static void DdmDisconnected() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 651 | static void DdmSendChunk(uint32_t type, const std::vector<uint8_t>& bytes) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 652 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 653 | static void DdmSendChunk(uint32_t type, size_t len, const uint8_t* buf) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 654 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 655 | static void DdmSendChunkV(uint32_t type, const iovec* iov, int iov_count) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 656 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 767a147 | 2011-10-26 18:49:02 -0700 | [diff] [blame] | 657 | |
Mathieu Chartier | bb87e0f | 2015-04-03 11:21:55 -0700 | [diff] [blame] | 658 | static void VisitRoots(RootVisitor* visitor) |
Mathieu Chartier | 3b05e9b | 2014-03-25 09:29:43 -0700 | [diff] [blame] | 659 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 660 | |
Elliott Hughes | 545a064 | 2011-11-08 19:10:03 -0800 | [diff] [blame] | 661 | /* |
Man Cao | 8c2ff64 | 2015-05-27 17:25:30 -0700 | [diff] [blame] | 662 | * Allocation tracking support. |
Elliott Hughes | 545a064 | 2011-11-08 19:10:03 -0800 | [diff] [blame] | 663 | */ |
Brian Carlstrom | 306db81 | 2014-09-05 13:01:41 -0700 | [diff] [blame] | 664 | static void SetAllocTrackingEnabled(bool enabled) LOCKS_EXCLUDED(Locks::alloc_tracker_lock_); |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 665 | static jbyteArray GetRecentAllocations() |
Brian Carlstrom | 306db81 | 2014-09-05 13:01:41 -0700 | [diff] [blame] | 666 | LOCKS_EXCLUDED(Locks::alloc_tracker_lock_) |
Sebastien Hertz | 52d131d | 2014-03-13 16:17:40 +0100 | [diff] [blame] | 667 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Brian Carlstrom | 306db81 | 2014-09-05 13:01:41 -0700 | [diff] [blame] | 668 | static void DumpRecentAllocations() LOCKS_EXCLUDED(Locks::alloc_tracker_lock_); |
Elliott Hughes | 545a064 | 2011-11-08 19:10:03 -0800 | [diff] [blame] | 669 | |
Elliott Hughes | 767a147 | 2011-10-26 18:49:02 -0700 | [diff] [blame] | 670 | enum HpifWhen { |
| 671 | HPIF_WHEN_NEVER = 0, |
| 672 | HPIF_WHEN_NOW = 1, |
| 673 | HPIF_WHEN_NEXT_GC = 2, |
| 674 | HPIF_WHEN_EVERY_GC = 3 |
| 675 | }; |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 676 | static int DdmHandleHpifChunk(HpifWhen when) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 677 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 767a147 | 2011-10-26 18:49:02 -0700 | [diff] [blame] | 678 | |
| 679 | enum HpsgWhen { |
| 680 | HPSG_WHEN_NEVER = 0, |
| 681 | HPSG_WHEN_EVERY_GC = 1, |
| 682 | }; |
| 683 | enum HpsgWhat { |
| 684 | HPSG_WHAT_MERGED_OBJECTS = 0, |
| 685 | HPSG_WHAT_DISTINCT_OBJECTS = 1, |
| 686 | }; |
| 687 | static bool DdmHandleHpsgNhsgChunk(HpsgWhen when, HpsgWhat what, bool native); |
| 688 | |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 689 | static void DdmSendHeapInfo(HpifWhen reason) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 690 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 691 | static void DdmSendHeapSegments(bool native) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 692 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | 545a064 | 2011-11-08 19:10:03 -0800 | [diff] [blame] | 693 | |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 694 | static ObjectRegistry* GetObjectRegistry() { |
| 695 | return gRegistry; |
| 696 | } |
| 697 | |
| 698 | static JDWP::JdwpTag TagFromObject(const ScopedObjectAccessUnchecked& soa, mirror::Object* o) |
| 699 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 700 | |
| 701 | static JDWP::JdwpTypeTag GetTypeTag(mirror::Class* klass) |
| 702 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 703 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 704 | static JDWP::FieldId ToFieldId(const ArtField* f) |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 705 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 706 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 707 | static void SetJdwpLocation(JDWP::JdwpLocation* location, ArtMethod* m, uint32_t dex_pc) |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 708 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 709 | |
Mathieu Chartier | ad466ad | 2015-01-08 16:28:08 -0800 | [diff] [blame] | 710 | static JDWP::JdwpState* GetJdwpState(); |
| 711 | |
Sebastien Hertz | 9d6bf69 | 2015-04-10 12:12:33 +0200 | [diff] [blame] | 712 | static uint32_t GetInstrumentationEvents() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 713 | return instrumentation_events_; |
| 714 | } |
| 715 | |
Elliott Hughes | 545a064 | 2011-11-08 19:10:03 -0800 | [diff] [blame] | 716 | private: |
Sebastien Hertz | cbc5064 | 2015-06-01 17:33:12 +0200 | [diff] [blame] | 717 | static void ExecuteMethodWithoutPendingException(ScopedObjectAccess& soa, DebugInvokeReq* pReq) |
| 718 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 719 | |
| 720 | static void BuildInvokeReply(JDWP::ExpandBuf* pReply, uint32_t request_id, |
| 721 | JDWP::JdwpTag result_tag, uint64_t result_value, |
| 722 | JDWP::ObjectId exception) |
| 723 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 724 | |
Sebastien Hertz | 8009f39 | 2014-09-01 17:07:11 +0200 | [diff] [blame] | 725 | static JDWP::JdwpError GetLocalValue(const StackVisitor& visitor, |
| 726 | ScopedObjectAccessUnchecked& soa, int slot, |
| 727 | JDWP::JdwpTag tag, uint8_t* buf, size_t width) |
| 728 | LOCKS_EXCLUDED(Locks::thread_list_lock_) |
| 729 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 730 | static JDWP::JdwpError SetLocalValue(StackVisitor& visitor, int slot, JDWP::JdwpTag tag, |
| 731 | uint64_t value, size_t width) |
| 732 | LOCKS_EXCLUDED(Locks::thread_list_lock_) |
| 733 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 734 | |
Brian Carlstrom | 2d88862 | 2013-07-18 17:02:00 -0700 | [diff] [blame] | 735 | static void DdmBroadcast(bool connect) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Ian Rogers | 00f7d0e | 2012-07-19 15:28:27 -0700 | [diff] [blame] | 736 | static void PostThreadStartOrStop(Thread*, uint32_t) |
Ian Rogers | b726dcb | 2012-09-05 08:57:23 -0700 | [diff] [blame] | 737 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
Elliott Hughes | a215526 | 2011-11-16 16:26:58 -0800 | [diff] [blame] | 738 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 739 | static void PostLocationEvent(ArtMethod* method, int pcOffset, |
Sebastien Hertz | 8379b22 | 2014-02-24 17:38:15 +0100 | [diff] [blame] | 740 | mirror::Object* thisPtr, int eventFlags, |
| 741 | const JValue* return_value) |
| 742 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 743 | |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 744 | static void ProcessDeoptimizationRequest(const DeoptimizationRequest& request) |
| 745 | EXCLUSIVE_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 746 | |
Sebastien Hertz | 7ec2f1c | 2014-03-27 20:06:47 +0100 | [diff] [blame] | 747 | static void RequestDeoptimizationLocked(const DeoptimizationRequest& req) |
Brian Carlstrom | 306db81 | 2014-09-05 13:01:41 -0700 | [diff] [blame] | 748 | EXCLUSIVE_LOCKS_REQUIRED(Locks::deoptimization_lock_) |
Sebastien Hertz | 7ec2f1c | 2014-03-27 20:06:47 +0100 | [diff] [blame] | 749 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 750 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 751 | static bool IsForcedInterpreterNeededForCallingImpl(Thread* thread, ArtMethod* m) |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 752 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 753 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 754 | static bool IsForcedInterpreterNeededForResolutionImpl(Thread* thread, ArtMethod* m) |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 755 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 756 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 757 | static bool IsForcedInstrumentationNeededForResolutionImpl(Thread* thread, ArtMethod* m) |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 758 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 759 | |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 760 | static bool IsForcedInterpreterNeededForUpcallImpl(Thread* thread, ArtMethod* m) |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 761 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| 762 | |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 763 | // Indicates whether the debugger is making requests. |
| 764 | static bool gDebuggerActive; |
| 765 | |
Sebastien Hertz | 4e5b208 | 2015-03-24 19:03:40 +0100 | [diff] [blame] | 766 | // Indicates whether we should drop the JDWP connection because the runtime stops or the |
| 767 | // debugger called VirtualMachine.Dispose. |
| 768 | static bool gDisposed; |
| 769 | |
Daniel Mihalyi | eb07669 | 2014-08-22 17:33:31 +0200 | [diff] [blame] | 770 | // The registry mapping objects to JDWP ids. |
Sebastien Hertz | 6995c60 | 2014-09-09 12:10:13 +0200 | [diff] [blame] | 771 | static ObjectRegistry* gRegistry; |
| 772 | |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 773 | // Deoptimization requests to be processed each time the event list is updated. This is used when |
| 774 | // registering and unregistering events so we do not deoptimize while holding the event list |
| 775 | // lock. |
Sebastien Hertz | 42cd43f | 2014-05-13 14:15:41 +0200 | [diff] [blame] | 776 | // TODO rename to instrumentation_requests. |
Brian Carlstrom | 306db81 | 2014-09-05 13:01:41 -0700 | [diff] [blame] | 777 | static std::vector<DeoptimizationRequest> deoptimization_requests_ GUARDED_BY(Locks::deoptimization_lock_); |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 778 | |
| 779 | // Count the number of events requiring full deoptimization. When the counter is > 0, everything |
| 780 | // is deoptimized, otherwise everything is undeoptimized. |
| 781 | // Note: we fully deoptimize on the first event only (when the counter is set to 1). We fully |
| 782 | // 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] | 783 | static size_t full_deoptimization_event_count_ GUARDED_BY(Locks::deoptimization_lock_); |
Sebastien Hertz | 4d25df3 | 2014-03-21 17:44:46 +0100 | [diff] [blame] | 784 | |
Sebastien Hertz | 42cd43f | 2014-05-13 14:15:41 +0200 | [diff] [blame] | 785 | static size_t* GetReferenceCounterForEvent(uint32_t instrumentation_event); |
| 786 | |
| 787 | // Instrumentation event reference counters. |
| 788 | // TODO we could use an array instead of having all these dedicated counters. Instrumentation |
| 789 | // 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] | 790 | static size_t dex_pc_change_event_ref_count_ GUARDED_BY(Locks::deoptimization_lock_); |
| 791 | static size_t method_enter_event_ref_count_ GUARDED_BY(Locks::deoptimization_lock_); |
| 792 | static size_t method_exit_event_ref_count_ GUARDED_BY(Locks::deoptimization_lock_); |
| 793 | static size_t field_read_event_ref_count_ GUARDED_BY(Locks::deoptimization_lock_); |
| 794 | static size_t field_write_event_ref_count_ GUARDED_BY(Locks::deoptimization_lock_); |
| 795 | 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] | 796 | static uint32_t instrumentation_events_ GUARDED_BY(Locks::mutator_lock_); |
| 797 | |
Ian Rogers | 719d1a3 | 2014-03-06 12:13:39 -0800 | [diff] [blame] | 798 | DISALLOW_COPY_AND_ASSIGN(Dbg); |
Elliott Hughes | 872d4ec | 2011-10-21 17:07:15 -0700 | [diff] [blame] | 799 | }; |
| 800 | |
| 801 | #define CHUNK_TYPE(_name) \ |
Elliott Hughes | 8218847 | 2011-11-07 18:11:48 -0800 | [diff] [blame] | 802 | 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] | 803 | |
| 804 | } // namespace art |
| 805 | |
Brian Carlstrom | fc0e321 | 2013-07-17 14:40:12 -0700 | [diff] [blame] | 806 | #endif // ART_RUNTIME_DEBUGGER_H_ |