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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/accessors.h" | 7 #include "src/accessors.h" |
8 #include "src/codegen.h" | 8 #include "src/codegen.h" |
9 #include "src/cpu-profiler.h" | 9 #include "src/cpu-profiler.h" |
10 #include "src/deoptimizer.h" | 10 #include "src/deoptimizer.h" |
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447 // For all contexts, deoptimize code already marked. | 447 // For all contexts, deoptimize code already marked. |
448 Object* context = isolate->heap()->native_contexts_list(); | 448 Object* context = isolate->heap()->native_contexts_list(); |
449 while (!context->IsUndefined()) { | 449 while (!context->IsUndefined()) { |
450 Context* native_context = Context::cast(context); | 450 Context* native_context = Context::cast(context); |
451 DeoptimizeMarkedCodeForContext(native_context); | 451 DeoptimizeMarkedCodeForContext(native_context); |
452 context = native_context->get(Context::NEXT_CONTEXT_LINK); | 452 context = native_context->get(Context::NEXT_CONTEXT_LINK); |
453 } | 453 } |
454 } | 454 } |
455 | 455 |
456 | 456 |
457 void Deoptimizer::DeoptimizeGlobalObject(JSObject* object) { | |
458 if (FLAG_trace_deopt) { | |
459 CodeTracer::Scope scope(object->GetHeap()->isolate()->GetCodeTracer()); | |
460 PrintF(scope.file(), "[deoptimize global object @ 0x%08" V8PRIxPTR "]\n", | |
461 reinterpret_cast<intptr_t>(object)); | |
462 } | |
463 if (object->IsJSGlobalProxy()) { | |
464 PrototypeIterator iter(object->GetIsolate(), object); | |
465 // TODO(verwaest): This CHECK will be hit if the global proxy is detached. | |
466 CHECK(iter.GetCurrent()->IsJSGlobalObject()); | |
467 Context* native_context = | |
468 GlobalObject::cast(iter.GetCurrent())->native_context(); | |
469 MarkAllCodeForContext(native_context); | |
470 DeoptimizeMarkedCodeForContext(native_context); | |
471 } else if (object->IsGlobalObject()) { | |
472 Context* native_context = GlobalObject::cast(object)->native_context(); | |
473 MarkAllCodeForContext(native_context); | |
474 DeoptimizeMarkedCodeForContext(native_context); | |
475 } | |
476 } | |
477 | |
478 | |
479 void Deoptimizer::MarkAllCodeForContext(Context* context) { | 457 void Deoptimizer::MarkAllCodeForContext(Context* context) { |
480 Object* element = context->OptimizedCodeListHead(); | 458 Object* element = context->OptimizedCodeListHead(); |
481 while (!element->IsUndefined()) { | 459 while (!element->IsUndefined()) { |
482 Code* code = Code::cast(element); | 460 Code* code = Code::cast(element); |
483 CHECK_EQ(code->kind(), Code::OPTIMIZED_FUNCTION); | 461 CHECK_EQ(code->kind(), Code::OPTIMIZED_FUNCTION); |
484 code->set_marked_for_deoptimization(true); | 462 code->set_marked_for_deoptimization(true); |
485 element = code->next_code_link(); | 463 element = code->next_code_link(); |
486 } | 464 } |
487 } | 465 } |
488 | 466 |
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3393 DCHECK(value_info->IsMaterializedObject()); | 3371 DCHECK(value_info->IsMaterializedObject()); |
3394 | 3372 |
3395 value_info->value_ = | 3373 value_info->value_ = |
3396 Handle<Object>(previously_materialized_objects->get(i), isolate_); | 3374 Handle<Object>(previously_materialized_objects->get(i), isolate_); |
3397 } | 3375 } |
3398 } | 3376 } |
3399 } | 3377 } |
3400 | 3378 |
3401 } // namespace internal | 3379 } // namespace internal |
3402 } // namespace v8 | 3380 } // namespace v8 |
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