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Issue 149133004: A64: Synchronize with r17807. (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/a64
Patch Set: Created 6 years, 10 months ago
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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 // 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
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358 358
359 359
360 Handle<Symbol> Factory::NewSymbol() { 360 Handle<Symbol> Factory::NewSymbol() {
361 CALL_HEAP_FUNCTION( 361 CALL_HEAP_FUNCTION(
362 isolate(), 362 isolate(),
363 isolate()->heap()->AllocateSymbol(), 363 isolate()->heap()->AllocateSymbol(),
364 Symbol); 364 Symbol);
365 } 365 }
366 366
367 367
368 Handle<Symbol> Factory::NewPrivateSymbol() {
369 CALL_HEAP_FUNCTION(
370 isolate(),
371 isolate()->heap()->AllocatePrivateSymbol(),
372 Symbol);
373 }
374
375
368 Handle<Context> Factory::NewNativeContext() { 376 Handle<Context> Factory::NewNativeContext() {
369 CALL_HEAP_FUNCTION( 377 CALL_HEAP_FUNCTION(
370 isolate(), 378 isolate(),
371 isolate()->heap()->AllocateNativeContext(), 379 isolate()->heap()->AllocateNativeContext(),
372 Context); 380 Context);
373 } 381 }
374 382
375 383
376 Handle<Context> Factory::NewGlobalContext(Handle<JSFunction> function, 384 Handle<Context> Factory::NewGlobalContext(Handle<JSFunction> function,
377 Handle<ScopeInfo> scope_info) { 385 Handle<ScopeInfo> scope_info) {
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436 444
437 445
438 Handle<Struct> Factory::NewStruct(InstanceType type) { 446 Handle<Struct> Factory::NewStruct(InstanceType type) {
439 CALL_HEAP_FUNCTION( 447 CALL_HEAP_FUNCTION(
440 isolate(), 448 isolate(),
441 isolate()->heap()->AllocateStruct(type), 449 isolate()->heap()->AllocateStruct(type),
442 Struct); 450 Struct);
443 } 451 }
444 452
445 453
454 Handle<AliasedArgumentsEntry> Factory::NewAliasedArgumentsEntry(
455 int aliased_context_slot) {
456 Handle<AliasedArgumentsEntry> entry = Handle<AliasedArgumentsEntry>::cast(
457 NewStruct(ALIASED_ARGUMENTS_ENTRY_TYPE));
458 entry->set_aliased_context_slot(aliased_context_slot);
459 return entry;
460 }
461
462
446 Handle<DeclaredAccessorDescriptor> Factory::NewDeclaredAccessorDescriptor() { 463 Handle<DeclaredAccessorDescriptor> Factory::NewDeclaredAccessorDescriptor() {
447 return Handle<DeclaredAccessorDescriptor>::cast( 464 return Handle<DeclaredAccessorDescriptor>::cast(
448 NewStruct(DECLARED_ACCESSOR_DESCRIPTOR_TYPE)); 465 NewStruct(DECLARED_ACCESSOR_DESCRIPTOR_TYPE));
449 } 466 }
450 467
451 468
452 Handle<DeclaredAccessorInfo> Factory::NewDeclaredAccessorInfo() { 469 Handle<DeclaredAccessorInfo> Factory::NewDeclaredAccessorInfo() {
453 Handle<DeclaredAccessorInfo> info = 470 Handle<DeclaredAccessorInfo> info =
454 Handle<DeclaredAccessorInfo>::cast( 471 Handle<DeclaredAccessorInfo>::cast(
455 NewStruct(DECLARED_ACCESSOR_INFO_TYPE)); 472 NewStruct(DECLARED_ACCESSOR_INFO_TYPE));
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611 628
612 629
613 Handle<Map> Factory::CopyMap(Handle<Map> src, 630 Handle<Map> Factory::CopyMap(Handle<Map> src,
614 int extra_inobject_properties) { 631 int extra_inobject_properties) {
615 Handle<Map> copy = CopyWithPreallocatedFieldDescriptors(src); 632 Handle<Map> copy = CopyWithPreallocatedFieldDescriptors(src);
616 // Check that we do not overflow the instance size when adding the 633 // Check that we do not overflow the instance size when adding the
617 // extra inobject properties. 634 // extra inobject properties.
618 int instance_size_delta = extra_inobject_properties * kPointerSize; 635 int instance_size_delta = extra_inobject_properties * kPointerSize;
619 int max_instance_size_delta = 636 int max_instance_size_delta =
620 JSObject::kMaxInstanceSize - copy->instance_size(); 637 JSObject::kMaxInstanceSize - copy->instance_size();
621 if (instance_size_delta > max_instance_size_delta) { 638 int max_extra_properties = max_instance_size_delta >> kPointerSizeLog2;
639 if (extra_inobject_properties > max_extra_properties) {
622 // If the instance size overflows, we allocate as many properties 640 // If the instance size overflows, we allocate as many properties
623 // as we can as inobject properties. 641 // as we can as inobject properties.
624 instance_size_delta = max_instance_size_delta; 642 instance_size_delta = max_instance_size_delta;
625 extra_inobject_properties = max_instance_size_delta >> kPointerSizeLog2; 643 extra_inobject_properties = max_extra_properties;
626 } 644 }
627 // Adjust the map with the extra inobject properties. 645 // Adjust the map with the extra inobject properties.
628 int inobject_properties = 646 int inobject_properties =
629 copy->inobject_properties() + extra_inobject_properties; 647 copy->inobject_properties() + extra_inobject_properties;
630 copy->set_inobject_properties(inobject_properties); 648 copy->set_inobject_properties(inobject_properties);
631 copy->set_unused_property_fields(inobject_properties); 649 copy->set_unused_property_fields(inobject_properties);
632 copy->set_instance_size(copy->instance_size() + instance_size_delta); 650 copy->set_instance_size(copy->instance_size() + instance_size_delta);
633 copy->set_visitor_id(StaticVisitorBase::GetVisitorId(*copy)); 651 copy->set_visitor_id(StaticVisitorBase::GetVisitorId(*copy));
634 return copy; 652 return copy;
635 } 653 }
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1779 return Handle<Object>::null(); 1797 return Handle<Object>::null();
1780 } 1798 }
1781 1799
1782 1800
1783 Handle<Object> Factory::ToBoolean(bool value) { 1801 Handle<Object> Factory::ToBoolean(bool value) {
1784 return value ? true_value() : false_value(); 1802 return value ? true_value() : false_value();
1785 } 1803 }
1786 1804
1787 1805
1788 } } // namespace v8::internal 1806 } } // namespace v8::internal
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