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Issue 565047: * Add the partial context snapshot to the VM executable if... (Closed) Base URL: http://v8.googlecode.com/svn/branches/experimental/partial_snapshots/
Patch Set: Created 10 years, 10 months ago
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1 // Copyright 2008 the V8 project authors. All rights reserved. 1 // Copyright 2008 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
(...skipping 138 matching lines...) Expand 10 before | Expand all | Expand 10 after
149 EagerlyArchiveThread(); 149 EagerlyArchiveThread();
150 } 150 }
151 ThreadState* state = 151 ThreadState* state =
152 reinterpret_cast<ThreadState*>(Thread::GetThreadLocal(thread_state_key)); 152 reinterpret_cast<ThreadState*>(Thread::GetThreadLocal(thread_state_key));
153 if (state == NULL) { 153 if (state == NULL) {
154 // This is a new thread. 154 // This is a new thread.
155 StackGuard::InitThread(access); 155 StackGuard::InitThread(access);
156 return false; 156 return false;
157 } 157 }
158 char* from = state->data(); 158 char* from = state->data();
159 printf("Restore from %p\n", (void*)state->data());
160 from = HandleScopeImplementer::RestoreThread(from); 159 from = HandleScopeImplementer::RestoreThread(from);
161 from = Top::RestoreThread(from); 160 from = Top::RestoreThread(from);
162 from = Relocatable::RestoreState(from); 161 from = Relocatable::RestoreState(from);
163 #ifdef ENABLE_DEBUGGER_SUPPORT 162 #ifdef ENABLE_DEBUGGER_SUPPORT
164 from = Debug::RestoreDebug(from); 163 from = Debug::RestoreDebug(from);
165 #endif 164 #endif
166 from = StackGuard::RestoreStackGuard(from); 165 from = StackGuard::RestoreStackGuard(from);
167 from = RegExpStack::RestoreStack(from); 166 from = RegExpStack::RestoreStack(from);
168 from = Bootstrapper::RestoreState(from); 167 from = Bootstrapper::RestoreState(from);
169 Thread::SetThreadLocal(thread_state_key, NULL); 168 Thread::SetThreadLocal(thread_state_key, NULL);
(...skipping 108 matching lines...) Expand 10 before | Expand all | Expand 10 after
278 lazily_archived_thread_state_ = state; 277 lazily_archived_thread_state_ = state;
279 ASSERT(state->id() == kInvalidId); 278 ASSERT(state->id() == kInvalidId);
280 state->set_id(CurrentId()); 279 state->set_id(CurrentId());
281 ASSERT(state->id() != kInvalidId); 280 ASSERT(state->id() != kInvalidId);
282 } 281 }
283 282
284 283
285 void ThreadManager::EagerlyArchiveThread() { 284 void ThreadManager::EagerlyArchiveThread() {
286 ThreadState* state = lazily_archived_thread_state_; 285 ThreadState* state = lazily_archived_thread_state_;
287 state->LinkInto(ThreadState::IN_USE_LIST); 286 state->LinkInto(ThreadState::IN_USE_LIST);
288 printf("Archive into %p\n", (void*)state->data());
289 char* to = state->data(); 287 char* to = state->data();
290 // Ensure that data containing GC roots are archived first, and handle them 288 // Ensure that data containing GC roots are archived first, and handle them
291 // in ThreadManager::Iterate(ObjectVisitor*). 289 // in ThreadManager::Iterate(ObjectVisitor*).
292 to = HandleScopeImplementer::ArchiveThread(to); 290 to = HandleScopeImplementer::ArchiveThread(to);
293 to = Top::ArchiveThread(to); 291 to = Top::ArchiveThread(to);
294 to = Relocatable::ArchiveState(to); 292 to = Relocatable::ArchiveState(to);
295 #ifdef ENABLE_DEBUGGER_SUPPORT 293 #ifdef ENABLE_DEBUGGER_SUPPORT
296 to = Debug::ArchiveDebug(to); 294 to = Debug::ArchiveDebug(to);
297 #endif 295 #endif
298 to = StackGuard::ArchiveStackGuard(to); 296 to = StackGuard::ArchiveStackGuard(to);
(...skipping 20 matching lines...) Expand all
319 return Thread::HasThreadLocal(thread_state_key); 317 return Thread::HasThreadLocal(thread_state_key);
320 } 318 }
321 319
322 320
323 void ThreadManager::Iterate(ObjectVisitor* v) { 321 void ThreadManager::Iterate(ObjectVisitor* v) {
324 // Expecting no threads during serialization/deserialization 322 // Expecting no threads during serialization/deserialization
325 for (ThreadState* state = ThreadState::FirstInUse(); 323 for (ThreadState* state = ThreadState::FirstInUse();
326 state != NULL; 324 state != NULL;
327 state = state->Next()) { 325 state = state->Next()) {
328 char* data = state->data(); 326 char* data = state->data();
329 printf("Iterate over %p\n", (void*)state->data());
330 data = HandleScopeImplementer::Iterate(v, data); 327 data = HandleScopeImplementer::Iterate(v, data);
331 data = Top::Iterate(v, data); 328 data = Top::Iterate(v, data);
332 data = Relocatable::Iterate(v, data); 329 data = Relocatable::Iterate(v, data);
333 } 330 }
334 } 331 }
335 332
336 333
337 void ThreadManager::MarkCompactPrologue(bool is_compacting) { 334 void ThreadManager::MarkCompactPrologue(bool is_compacting) {
338 for (ThreadState* state = ThreadState::FirstInUse(); 335 for (ThreadState* state = ThreadState::FirstInUse();
339 state != NULL; 336 state != NULL;
340 state = state->Next()) { 337 state = state->Next()) {
341 char* data = state->data(); 338 char* data = state->data();
342 printf("Mark compact prologue %p\n", (void*)state->data());
343 data += HandleScopeImplementer::ArchiveSpacePerThread(); 339 data += HandleScopeImplementer::ArchiveSpacePerThread();
344 Top::MarkCompactPrologue(is_compacting, data); 340 Top::MarkCompactPrologue(is_compacting, data);
345 } 341 }
346 } 342 }
347 343
348 344
349 void ThreadManager::MarkCompactEpilogue(bool is_compacting) { 345 void ThreadManager::MarkCompactEpilogue(bool is_compacting) {
350 for (ThreadState* state = ThreadState::FirstInUse(); 346 for (ThreadState* state = ThreadState::FirstInUse();
351 state != NULL; 347 state != NULL;
352 state = state->Next()) { 348 state = state->Next()) {
353 char* data = state->data(); 349 char* data = state->data();
354 printf("Mark compact epilogue %p\n", (void*)state->data());
355 data += HandleScopeImplementer::ArchiveSpacePerThread(); 350 data += HandleScopeImplementer::ArchiveSpacePerThread();
356 Top::MarkCompactEpilogue(is_compacting, data); 351 Top::MarkCompactEpilogue(is_compacting, data);
357 } 352 }
358 } 353 }
359 354
360 355
361 int ThreadManager::CurrentId() { 356 int ThreadManager::CurrentId() {
362 return Thread::GetThreadLocalInt(thread_id_key); 357 return Thread::GetThreadLocalInt(thread_id_key);
363 } 358 }
364 359
(...skipping 81 matching lines...) Expand 10 before | Expand all | Expand 10 after
446 // Acknowledge the preemption by the receiving thread. 441 // Acknowledge the preemption by the receiving thread.
447 void ContextSwitcher::PreemptionReceived() { 442 void ContextSwitcher::PreemptionReceived() {
448 ASSERT(Locker::IsLocked()); 443 ASSERT(Locker::IsLocked());
449 // There is currently no accounting being done for this. But could be in the 444 // There is currently no accounting being done for this. But could be in the
450 // future, which is why we leave this in. 445 // future, which is why we leave this in.
451 } 446 }
452 447
453 448
454 } // namespace internal 449 } // namespace internal
455 } // namespace v8 450 } // namespace v8
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