OLD | NEW |
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 |
(...skipping 1438 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1449 void TracePathToGlobal(); | 1449 void TracePathToGlobal(); |
1450 #endif | 1450 #endif |
1451 | 1451 |
1452 // Callback function passed to Heap::Iterate etc. Copies an object if | 1452 // Callback function passed to Heap::Iterate etc. Copies an object if |
1453 // necessary, the object might be promoted to an old space. The caller must | 1453 // necessary, the object might be promoted to an old space. The caller must |
1454 // ensure the precondition that the object is (a) a heap object and (b) in | 1454 // ensure the precondition that the object is (a) a heap object and (b) in |
1455 // the heap's from space. | 1455 // the heap's from space. |
1456 static inline void ScavengePointer(HeapObject** p); | 1456 static inline void ScavengePointer(HeapObject** p); |
1457 static inline void ScavengeObject(HeapObject** p, HeapObject* object); | 1457 static inline void ScavengeObject(HeapObject** p, HeapObject* object); |
1458 | 1458 |
| 1459 // An object may have an AllocationSite associated with it through a trailing |
| 1460 // AllocationMemento. Its feedback should be updated when objects are found |
| 1461 // in the heap. |
| 1462 static inline void UpdateAllocationSiteFeedback(HeapObject* object); |
| 1463 |
1459 // Support for partial snapshots. After calling this we have a linear | 1464 // Support for partial snapshots. After calling this we have a linear |
1460 // space to write objects in each space. | 1465 // space to write objects in each space. |
1461 void ReserveSpace(int *sizes, Address* addresses); | 1466 void ReserveSpace(int *sizes, Address* addresses); |
1462 | 1467 |
1463 // | 1468 // |
1464 // Support for the API. | 1469 // Support for the API. |
1465 // | 1470 // |
1466 | 1471 |
1467 bool CreateApiObjects(); | 1472 bool CreateApiObjects(); |
1468 | 1473 |
(...skipping 416 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1885 int always_allocate_scope_depth_; | 1890 int always_allocate_scope_depth_; |
1886 int linear_allocation_scope_depth_; | 1891 int linear_allocation_scope_depth_; |
1887 | 1892 |
1888 // For keeping track of context disposals. | 1893 // For keeping track of context disposals. |
1889 int contexts_disposed_; | 1894 int contexts_disposed_; |
1890 | 1895 |
1891 int global_ic_age_; | 1896 int global_ic_age_; |
1892 | 1897 |
1893 bool flush_monomorphic_ics_; | 1898 bool flush_monomorphic_ics_; |
1894 | 1899 |
1895 // AllocationMementos found in new space. | |
1896 int allocation_mementos_found_; | |
1897 | |
1898 int scan_on_scavenge_pages_; | 1900 int scan_on_scavenge_pages_; |
1899 | 1901 |
1900 NewSpace new_space_; | 1902 NewSpace new_space_; |
1901 OldSpace* old_pointer_space_; | 1903 OldSpace* old_pointer_space_; |
1902 OldSpace* old_data_space_; | 1904 OldSpace* old_data_space_; |
1903 OldSpace* code_space_; | 1905 OldSpace* code_space_; |
1904 MapSpace* map_space_; | 1906 MapSpace* map_space_; |
1905 CellSpace* cell_space_; | 1907 CellSpace* cell_space_; |
1906 PropertyCellSpace* property_cell_space_; | 1908 PropertyCellSpace* property_cell_space_; |
1907 LargeObjectSpace* lo_space_; | 1909 LargeObjectSpace* lo_space_; |
(...skipping 195 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
2103 int length, PretenureFlag pretenure); | 2105 int length, PretenureFlag pretenure); |
2104 | 2106 |
2105 // Allocate an initialized fixed array with the given filler value. | 2107 // Allocate an initialized fixed array with the given filler value. |
2106 MUST_USE_RESULT MaybeObject* AllocateFixedArrayWithFiller( | 2108 MUST_USE_RESULT MaybeObject* AllocateFixedArrayWithFiller( |
2107 int length, PretenureFlag pretenure, Object* filler); | 2109 int length, PretenureFlag pretenure, Object* filler); |
2108 | 2110 |
2109 // Initializes a JSObject based on its map. | 2111 // Initializes a JSObject based on its map. |
2110 void InitializeJSObjectFromMap(JSObject* obj, | 2112 void InitializeJSObjectFromMap(JSObject* obj, |
2111 FixedArray* properties, | 2113 FixedArray* properties, |
2112 Map* map); | 2114 Map* map); |
| 2115 void InitializeAllocationMemento(AllocationMemento* memento, |
| 2116 AllocationSite* allocation_site); |
2113 | 2117 |
2114 bool CreateInitialMaps(); | 2118 bool CreateInitialMaps(); |
2115 bool CreateInitialObjects(); | 2119 bool CreateInitialObjects(); |
2116 | 2120 |
2117 // These five Create*EntryStub functions are here and forced to not be inlined | 2121 // These five Create*EntryStub functions are here and forced to not be inlined |
2118 // because of a gcc-4.4 bug that assigns wrong vtable entries. | 2122 // because of a gcc-4.4 bug that assigns wrong vtable entries. |
2119 NO_INLINE(void CreateJSEntryStub()); | 2123 NO_INLINE(void CreateJSEntryStub()); |
2120 NO_INLINE(void CreateJSConstructEntryStub()); | 2124 NO_INLINE(void CreateJSConstructEntryStub()); |
2121 | 2125 |
2122 void CreateFixedStubs(); | 2126 void CreateFixedStubs(); |
(...skipping 961 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
3084 DisallowHeapAllocation no_allocation; // i.e. no gc allowed. | 3088 DisallowHeapAllocation no_allocation; // i.e. no gc allowed. |
3085 | 3089 |
3086 private: | 3090 private: |
3087 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer); | 3091 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer); |
3088 }; | 3092 }; |
3089 #endif // DEBUG | 3093 #endif // DEBUG |
3090 | 3094 |
3091 } } // namespace v8::internal | 3095 } } // namespace v8::internal |
3092 | 3096 |
3093 #endif // V8_HEAP_H_ | 3097 #endif // V8_HEAP_H_ |
OLD | NEW |