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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, 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 "lib/mirrors.h" | 9 #include "lib/mirrors.h" |
10 #include "vm/code_observers.h" | 10 #include "vm/code_observers.h" |
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425 ICData* Isolate::GetICDataForDeoptId(intptr_t deopt_id) const { | 425 ICData* Isolate::GetICDataForDeoptId(intptr_t deopt_id) const { |
426 if (ic_data_array() == Array::null()) { | 426 if (ic_data_array() == Array::null()) { |
427 return &ICData::ZoneHandle(); | 427 return &ICData::ZoneHandle(); |
428 } | 428 } |
429 const Array& array_handle = Array::Handle(ic_data_array()); | 429 const Array& array_handle = Array::Handle(ic_data_array()); |
430 if (deopt_id >= array_handle.Length()) { | 430 if (deopt_id >= array_handle.Length()) { |
431 // For computations being added in the optimizing compiler. | 431 // For computations being added in the optimizing compiler. |
432 return &ICData::ZoneHandle(); | 432 return &ICData::ZoneHandle(); |
433 } | 433 } |
434 ICData& ic_data_handle = ICData::ZoneHandle(); | 434 ICData& ic_data_handle = ICData::ZoneHandle(); |
435 ic_data_handle |= array_handle.At(deopt_id); | 435 ic_data_handle ^= array_handle.At(deopt_id); |
436 return &ic_data_handle; | 436 return &ic_data_handle; |
437 } | 437 } |
438 | 438 |
439 | 439 |
440 static int MostUsedFunctionFirst(const Function* const* a, | 440 static int MostUsedFunctionFirst(const Function* const* a, |
441 const Function* const* b) { | 441 const Function* const* b) { |
442 if ((*a)->usage_counter() > (*b)->usage_counter()) { | 442 if ((*a)->usage_counter() > (*b)->usage_counter()) { |
443 return -1; | 443 return -1; |
444 } else if ((*a)->usage_counter() < (*b)->usage_counter()) { | 444 } else if ((*a)->usage_counter() < (*b)->usage_counter()) { |
445 return 1; | 445 return 1; |
446 } else { | 446 } else { |
447 return 0; | 447 return 0; |
448 } | 448 } |
449 } | 449 } |
450 | 450 |
451 | 451 |
452 static void AddFunctionsFromClass(const Class& cls, | 452 static void AddFunctionsFromClass(const Class& cls, |
453 GrowableArray<const Function*>* functions) { | 453 GrowableArray<const Function*>* functions) { |
454 const Array& class_functions = Array::Handle(cls.functions()); | 454 const Array& class_functions = Array::Handle(cls.functions()); |
455 // Class 'dynamic' is allocated/initialized in a special way, leaving | 455 // Class 'dynamic' is allocated/initialized in a special way, leaving |
456 // the functions field NULL instead of empty. | 456 // the functions field NULL instead of empty. |
457 const int func_len = class_functions.IsNull() ? 0 : class_functions.Length(); | 457 const int func_len = class_functions.IsNull() ? 0 : class_functions.Length(); |
458 for (int j = 0; j < func_len; j++) { | 458 for (int j = 0; j < func_len; j++) { |
459 Function& function = Function::Handle(); | 459 Function& function = Function::Handle(); |
460 function |= class_functions.At(j); | 460 function ^= class_functions.At(j); |
461 if (function.usage_counter() > 0) { | 461 if (function.usage_counter() > 0) { |
462 functions->Add(&function); | 462 functions->Add(&function); |
463 } | 463 } |
464 } | 464 } |
465 } | 465 } |
466 | 466 |
467 | 467 |
468 void Isolate::PrintInvokedFunctions() { | 468 void Isolate::PrintInvokedFunctions() { |
469 ASSERT(this == Isolate::Current()); | 469 ASSERT(this == Isolate::Current()); |
470 StackZone zone(this); | 470 StackZone zone(this); |
471 HandleScope handle_scope(this); | 471 HandleScope handle_scope(this); |
472 const GrowableObjectArray& libraries = | 472 const GrowableObjectArray& libraries = |
473 GrowableObjectArray::Handle(object_store()->libraries()); | 473 GrowableObjectArray::Handle(object_store()->libraries()); |
474 Library& library = Library::Handle(); | 474 Library& library = Library::Handle(); |
475 GrowableArray<const Function*> invoked_functions; | 475 GrowableArray<const Function*> invoked_functions; |
476 for (int i = 0; i < libraries.Length(); i++) { | 476 for (int i = 0; i < libraries.Length(); i++) { |
477 library |= libraries.At(i); | 477 library ^= libraries.At(i); |
478 Class& cls = Class::Handle(); | 478 Class& cls = Class::Handle(); |
479 ClassDictionaryIterator iter(library); | 479 ClassDictionaryIterator iter(library); |
480 while (iter.HasNext()) { | 480 while (iter.HasNext()) { |
481 cls = iter.GetNextClass(); | 481 cls = iter.GetNextClass(); |
482 AddFunctionsFromClass(cls, &invoked_functions); | 482 AddFunctionsFromClass(cls, &invoked_functions); |
483 } | 483 } |
484 Array& anon_classes = Array::Handle(library.raw_ptr()->anonymous_classes_); | 484 Array& anon_classes = Array::Handle(library.raw_ptr()->anonymous_classes_); |
485 for (int i = 0; i < library.raw_ptr()->num_anonymous_; i++) { | 485 for (int i = 0; i < library.raw_ptr()->num_anonymous_; i++) { |
486 cls |= anon_classes.At(i); | 486 cls ^= anon_classes.At(i); |
487 AddFunctionsFromClass(cls, &invoked_functions); | 487 AddFunctionsFromClass(cls, &invoked_functions); |
488 } | 488 } |
489 } | 489 } |
490 invoked_functions.Sort(MostUsedFunctionFirst); | 490 invoked_functions.Sort(MostUsedFunctionFirst); |
491 for (int i = 0; i < invoked_functions.length(); i++) { | 491 for (int i = 0; i < invoked_functions.length(); i++) { |
492 OS::Print("%10"Pd" x %s\n", | 492 OS::Print("%10"Pd" x %s\n", |
493 invoked_functions[i]->usage_counter(), | 493 invoked_functions[i]->usage_counter(), |
494 invoked_functions[i]->ToFullyQualifiedCString()); | 494 invoked_functions[i]->ToFullyQualifiedCString()); |
495 } | 495 } |
496 } | 496 } |
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616 | 616 |
617 | 617 |
618 void Isolate::VisitWeakPersistentHandles(HandleVisitor* visitor, | 618 void Isolate::VisitWeakPersistentHandles(HandleVisitor* visitor, |
619 bool visit_prologue_weak_handles) { | 619 bool visit_prologue_weak_handles) { |
620 if (api_state() != NULL) { | 620 if (api_state() != NULL) { |
621 api_state()->VisitWeakHandles(visitor, visit_prologue_weak_handles); | 621 api_state()->VisitWeakHandles(visitor, visit_prologue_weak_handles); |
622 } | 622 } |
623 } | 623 } |
624 | 624 |
625 } // namespace dart | 625 } // namespace dart |
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