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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/isolate.h" | 5 #include "vm/isolate.h" |
6 | 6 |
7 #include "include/dart_api.h" | 7 #include "include/dart_api.h" |
8 #include "platform/assert.h" | 8 #include "platform/assert.h" |
9 #include "vm/bigint_store.h" | 9 #include "vm/bigint_store.h" |
10 #include "vm/code_index_table.h" | 10 #include "vm/code_index_table.h" |
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21 #include "vm/random.h" | 21 #include "vm/random.h" |
22 #include "vm/stack_frame.h" | 22 #include "vm/stack_frame.h" |
23 #include "vm/stub_code.h" | 23 #include "vm/stub_code.h" |
24 #include "vm/thread.h" | 24 #include "vm/thread.h" |
25 #include "vm/timer.h" | 25 #include "vm/timer.h" |
26 #include "vm/visitor.h" | 26 #include "vm/visitor.h" |
27 | 27 |
28 namespace dart { | 28 namespace dart { |
29 | 29 |
30 DEFINE_FLAG(bool, report_invocation_count, false, | 30 DEFINE_FLAG(bool, report_invocation_count, false, |
31 "Count function invocations and report."); | 31 "Count function invocations and report."); |
| 32 DEFINE_FLAG(bool, trace_isolates, false, |
| 33 "Trace isolate creation and shut down."); |
32 DECLARE_FLAG(bool, generate_gdb_symbols); | 34 DECLARE_FLAG(bool, generate_gdb_symbols); |
33 | 35 |
34 | 36 |
35 Isolate::Isolate() | 37 Isolate::Isolate() |
36 : store_buffer_(), | 38 : store_buffer_(), |
37 message_queue_(NULL), | 39 message_queue_(NULL), |
38 post_message_callback_(NULL), | 40 post_message_callback_(NULL), |
39 close_port_callback_(NULL), | 41 close_port_callback_(NULL), |
| 42 name_(NULL), |
40 num_ports_(0), | 43 num_ports_(0), |
41 live_ports_(0), | 44 live_ports_(0), |
42 main_port_(0), | 45 main_port_(0), |
43 heap_(NULL), | 46 heap_(NULL), |
44 object_store_(NULL), | 47 object_store_(NULL), |
45 top_resource_(NULL), | 48 top_resource_(NULL), |
46 top_context_(Context::null()), | 49 top_context_(Context::null()), |
47 current_zone_(NULL), | 50 current_zone_(NULL), |
48 #if defined(DEBUG) | 51 #if defined(DEBUG) |
49 no_gc_scope_depth_(0), | 52 no_gc_scope_depth_(0), |
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62 long_jump_base_(NULL), | 65 long_jump_base_(NULL), |
63 timer_list_(), | 66 timer_list_(), |
64 ast_node_id_(AstNode::kNoId), | 67 ast_node_id_(AstNode::kNoId), |
65 mutex_(new Mutex()), | 68 mutex_(new Mutex()), |
66 stack_limit_(0), | 69 stack_limit_(0), |
67 saved_stack_limit_(0) { | 70 saved_stack_limit_(0) { |
68 } | 71 } |
69 | 72 |
70 | 73 |
71 Isolate::~Isolate() { | 74 Isolate::~Isolate() { |
| 75 delete [] name_; |
72 delete message_queue_; | 76 delete message_queue_; |
73 delete heap_; | 77 delete heap_; |
74 delete object_store_; | 78 delete object_store_; |
75 // Do not delete stack resources: top_resource_ and current_zone_. | 79 // Do not delete stack resources: top_resource_ and current_zone_. |
76 delete bigint_store_; | 80 delete bigint_store_; |
77 delete api_state_; | 81 delete api_state_; |
78 delete stub_code_; | 82 delete stub_code_; |
79 delete code_index_table_; | 83 delete code_index_table_; |
80 delete mutex_; | 84 delete mutex_; |
81 mutex_ = NULL; // Fail fast if interrupts are scheduled on a dead isolate. | 85 mutex_ = NULL; // Fail fast if interrupts are scheduled on a dead isolate. |
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100 Isolate* isolate = reinterpret_cast<Isolate*>(dart_isolate); | 104 Isolate* isolate = reinterpret_cast<Isolate*>(dart_isolate); |
101 ASSERT(isolate != NULL); | 105 ASSERT(isolate != NULL); |
102 if (port == kCloseAllPorts) { | 106 if (port == kCloseAllPorts) { |
103 isolate->message_queue()->FlushAll(); | 107 isolate->message_queue()->FlushAll(); |
104 } else { | 108 } else { |
105 isolate->message_queue()->Flush(port); | 109 isolate->message_queue()->Flush(port); |
106 } | 110 } |
107 } | 111 } |
108 | 112 |
109 | 113 |
110 Isolate* Isolate::Init() { | 114 Isolate* Isolate::Init(const char* name_prefix) { |
111 Isolate* result = new Isolate(); | 115 Isolate* result = new Isolate(); |
112 ASSERT(result != NULL); | 116 ASSERT(result != NULL); |
113 | 117 |
114 // TODO(5411455): For now just set the recently created isolate as | 118 // TODO(5411455): For now just set the recently created isolate as |
115 // the current isolate. | 119 // the current isolate. |
116 SetCurrent(result); | 120 SetCurrent(result); |
117 | 121 |
118 // Set up the isolate message queue. | 122 // Set up the isolate message queue. |
119 MessageQueue* queue = new MessageQueue(); | 123 MessageQueue* queue = new MessageQueue(); |
120 ASSERT(queue != NULL); | 124 ASSERT(queue != NULL); |
121 result->set_message_queue(queue); | 125 result->set_message_queue(queue); |
122 result->set_post_message_callback(&StandardPostMessageCallback); | 126 result->set_post_message_callback(&StandardPostMessageCallback); |
123 result->set_close_port_callback(&StandardClosePortCallback); | 127 result->set_close_port_callback(&StandardClosePortCallback); |
124 | 128 |
125 // Setup the Dart API state. | 129 // Setup the Dart API state. |
126 ApiState* state = new ApiState(); | 130 ApiState* state = new ApiState(); |
127 ASSERT(state != NULL); | 131 ASSERT(state != NULL); |
128 result->set_api_state(state); | 132 result->set_api_state(state); |
129 | 133 |
130 // Initialize stack top and limit in case we are running the isolate in the | 134 // Initialize stack top and limit in case we are running the isolate in the |
131 // main thread. | 135 // main thread. |
132 // TODO(5411455): Need to figure out how to set the stack limit for the | 136 // TODO(5411455): Need to figure out how to set the stack limit for the |
133 // main thread. | 137 // main thread. |
134 result->SetStackLimitFromCurrentTOS(reinterpret_cast<uword>(&result)); | 138 result->SetStackLimitFromCurrentTOS(reinterpret_cast<uword>(&result)); |
135 result->set_main_port(PortMap::CreatePort()); | 139 result->set_main_port(PortMap::CreatePort()); |
| 140 result->BuildName(name_prefix); |
136 | 141 |
137 result->debugger_ = new Debugger(); | 142 result->debugger_ = new Debugger(); |
138 result->debugger_->Initialize(result); | 143 result->debugger_->Initialize(result); |
| 144 if (FLAG_trace_isolates) { |
| 145 if (strcmp(name_prefix, "vm-isolate") != 0) { |
| 146 OS::Print("[+] Starting isolate:\n" |
| 147 "\tisolate: %s\n", result->name()); |
| 148 } |
| 149 } |
| 150 return result; |
| 151 } |
139 | 152 |
140 return result; | 153 |
| 154 void Isolate::BuildName(const char* name_prefix) { |
| 155 ASSERT(name_ == NULL); |
| 156 if (name_prefix == NULL) { |
| 157 name_prefix = "isolate"; |
| 158 } |
| 159 const char* kFormat = "%s-%lld"; |
| 160 intptr_t len = OS::SNPrint(NULL, 0, kFormat, name_prefix, main_port()) + 1; |
| 161 name_ = new char[len]; |
| 162 OS::SNPrint(name_, len, kFormat, name_prefix, main_port()); |
141 } | 163 } |
142 | 164 |
143 | 165 |
144 // TODO(5411455): Use flag to override default value and Validate the | 166 // TODO(5411455): Use flag to override default value and Validate the |
145 // stack size by querying OS. | 167 // stack size by querying OS. |
146 uword Isolate::GetSpecifiedStackSize() { | 168 uword Isolate::GetSpecifiedStackSize() { |
147 uword stack_size = Isolate::kDefaultStackSize - Isolate::kStackSizeBuffer; | 169 uword stack_size = Isolate::kDefaultStackSize - Isolate::kStackSizeBuffer; |
148 return stack_size; | 170 return stack_size; |
149 } | 171 } |
150 | 172 |
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249 | 271 |
250 // Dump all accumalated timer data for the isolate. | 272 // Dump all accumalated timer data for the isolate. |
251 timer_list_.ReportTimers(); | 273 timer_list_.ReportTimers(); |
252 if (FLAG_report_invocation_count) { | 274 if (FLAG_report_invocation_count) { |
253 PrintInvokedFunctions(); | 275 PrintInvokedFunctions(); |
254 } | 276 } |
255 CompilerStats::Print(); | 277 CompilerStats::Print(); |
256 if (FLAG_generate_gdb_symbols) { | 278 if (FLAG_generate_gdb_symbols) { |
257 DebugInfo::UnregisterAllSections(); | 279 DebugInfo::UnregisterAllSections(); |
258 } | 280 } |
259 | 281 if (FLAG_trace_isolates) { |
| 282 OS::Print("[-] Stopping isolate:\n" |
| 283 "\tisolate: %s\n", name()); |
| 284 } |
260 // TODO(5411455): For now just make sure there are no current isolates | 285 // TODO(5411455): For now just make sure there are no current isolates |
261 // as we are shutting down the isolate. | 286 // as we are shutting down the isolate. |
262 SetCurrent(NULL); | 287 SetCurrent(NULL); |
263 } | 288 } |
264 | 289 |
265 | 290 |
266 Dart_IsolateCreateCallback Isolate::create_callback_ = NULL; | 291 Dart_IsolateCreateCallback Isolate::create_callback_ = NULL; |
267 Dart_IsolateInterruptCallback Isolate::interrupt_callback_ = NULL; | 292 Dart_IsolateInterruptCallback Isolate::interrupt_callback_ = NULL; |
268 | 293 |
269 | 294 |
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369 } | 394 } |
370 | 395 |
371 | 396 |
372 void Isolate::VisitWeakPersistentHandles(HandleVisitor* visitor) { | 397 void Isolate::VisitWeakPersistentHandles(HandleVisitor* visitor) { |
373 if (api_state() != NULL) { | 398 if (api_state() != NULL) { |
374 api_state()->VisitWeakHandles(visitor); | 399 api_state()->VisitWeakHandles(visitor); |
375 } | 400 } |
376 } | 401 } |
377 | 402 |
378 } // namespace dart | 403 } // namespace dart |
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