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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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2571 if (!maybe_obj->ToObject(&obj)) return false; | 2571 if (!maybe_obj->ToObject(&obj)) return false; |
2572 } | 2572 } |
2573 set_shared_function_info_map(Map::cast(obj)); | 2573 set_shared_function_info_map(Map::cast(obj)); |
2574 | 2574 |
2575 { MaybeObject* maybe_obj = AllocateMap(JS_MESSAGE_OBJECT_TYPE, | 2575 { MaybeObject* maybe_obj = AllocateMap(JS_MESSAGE_OBJECT_TYPE, |
2576 JSMessageObject::kSize); | 2576 JSMessageObject::kSize); |
2577 if (!maybe_obj->ToObject(&obj)) return false; | 2577 if (!maybe_obj->ToObject(&obj)) return false; |
2578 } | 2578 } |
2579 set_message_object_map(Map::cast(obj)); | 2579 set_message_object_map(Map::cast(obj)); |
2580 | 2580 |
| 2581 Map* external_map; |
| 2582 { MaybeObject* maybe_obj = |
| 2583 AllocateMap(JS_OBJECT_TYPE, JSObject::kHeaderSize + kPointerSize); |
| 2584 if (!maybe_obj->To(&external_map)) return false; |
| 2585 } |
| 2586 external_map->set_is_extensible(false); |
| 2587 set_external_map(external_map); |
| 2588 |
2581 ASSERT(!InNewSpace(empty_fixed_array())); | 2589 ASSERT(!InNewSpace(empty_fixed_array())); |
2582 return true; | 2590 return true; |
2583 } | 2591 } |
2584 | 2592 |
2585 | 2593 |
2586 MaybeObject* Heap::AllocateHeapNumber(double value, PretenureFlag pretenure) { | 2594 MaybeObject* Heap::AllocateHeapNumber(double value, PretenureFlag pretenure) { |
2587 // Statically ensure that it is safe to allocate heap numbers in paged | 2595 // Statically ensure that it is safe to allocate heap numbers in paged |
2588 // spaces. | 2596 // spaces. |
2589 STATIC_ASSERT(HeapNumber::kSize <= Page::kNonCodeObjectAreaSize); | 2597 STATIC_ASSERT(HeapNumber::kSize <= Page::kNonCodeObjectAreaSize); |
2590 AllocationSpace space = (pretenure == TENURED) ? OLD_DATA_SPACE : NEW_SPACE; | 2598 AllocationSpace space = (pretenure == TENURED) ? OLD_DATA_SPACE : NEW_SPACE; |
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5210 | 5218 |
5211 MaybeObject* Heap::AllocateScopeInfo(int length) { | 5219 MaybeObject* Heap::AllocateScopeInfo(int length) { |
5212 FixedArray* scope_info; | 5220 FixedArray* scope_info; |
5213 MaybeObject* maybe_scope_info = AllocateFixedArray(length, TENURED); | 5221 MaybeObject* maybe_scope_info = AllocateFixedArray(length, TENURED); |
5214 if (!maybe_scope_info->To(&scope_info)) return maybe_scope_info; | 5222 if (!maybe_scope_info->To(&scope_info)) return maybe_scope_info; |
5215 scope_info->set_map_no_write_barrier(scope_info_map()); | 5223 scope_info->set_map_no_write_barrier(scope_info_map()); |
5216 return scope_info; | 5224 return scope_info; |
5217 } | 5225 } |
5218 | 5226 |
5219 | 5227 |
| 5228 MaybeObject* Heap::AllocateExternal(void* value) { |
| 5229 Foreign* foreign; |
| 5230 { MaybeObject* maybe_result = AllocateForeign(static_cast<Address>(value)); |
| 5231 if (!maybe_result->To(&foreign)) return maybe_result; |
| 5232 } |
| 5233 JSObject* external; |
| 5234 { MaybeObject* maybe_result = AllocateJSObjectFromMap(external_map()); |
| 5235 if (!maybe_result->To(&external)) return maybe_result; |
| 5236 } |
| 5237 external->SetInternalField(0, foreign); |
| 5238 return external; |
| 5239 } |
| 5240 |
| 5241 |
5220 MaybeObject* Heap::AllocateStruct(InstanceType type) { | 5242 MaybeObject* Heap::AllocateStruct(InstanceType type) { |
5221 Map* map; | 5243 Map* map; |
5222 switch (type) { | 5244 switch (type) { |
5223 #define MAKE_CASE(NAME, Name, name) \ | 5245 #define MAKE_CASE(NAME, Name, name) \ |
5224 case NAME##_TYPE: map = name##_map(); break; | 5246 case NAME##_TYPE: map = name##_map(); break; |
5225 STRUCT_LIST(MAKE_CASE) | 5247 STRUCT_LIST(MAKE_CASE) |
5226 #undef MAKE_CASE | 5248 #undef MAKE_CASE |
5227 default: | 5249 default: |
5228 UNREACHABLE(); | 5250 UNREACHABLE(); |
5229 return Failure::InternalError(); | 5251 return Failure::InternalError(); |
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7479 static_cast<int>(object_sizes_last_time_[index])); | 7501 static_cast<int>(object_sizes_last_time_[index])); |
7480 FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(ADJUST_LAST_TIME_OBJECT_COUNT) | 7502 FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(ADJUST_LAST_TIME_OBJECT_COUNT) |
7481 #undef ADJUST_LAST_TIME_OBJECT_COUNT | 7503 #undef ADJUST_LAST_TIME_OBJECT_COUNT |
7482 | 7504 |
7483 memcpy(object_counts_last_time_, object_counts_, sizeof(object_counts_)); | 7505 memcpy(object_counts_last_time_, object_counts_, sizeof(object_counts_)); |
7484 memcpy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_)); | 7506 memcpy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_)); |
7485 ClearObjectStats(); | 7507 ClearObjectStats(); |
7486 } | 7508 } |
7487 | 7509 |
7488 } } // namespace v8::internal | 7510 } } // namespace v8::internal |
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