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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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1040 // always set for pointers into new space. | 1040 // always set for pointers into new space. |
1041 class VerifyPointersAndRSetVisitor: public ObjectVisitor { | 1041 class VerifyPointersAndRSetVisitor: public ObjectVisitor { |
1042 public: | 1042 public: |
1043 void VisitPointers(Object** start, Object** end) { | 1043 void VisitPointers(Object** start, Object** end) { |
1044 for (Object** current = start; current < end; current++) { | 1044 for (Object** current = start; current < end; current++) { |
1045 if ((*current)->IsHeapObject()) { | 1045 if ((*current)->IsHeapObject()) { |
1046 HeapObject* object = HeapObject::cast(*current); | 1046 HeapObject* object = HeapObject::cast(*current); |
1047 ASSERT(Heap::Contains(object)); | 1047 ASSERT(Heap::Contains(object)); |
1048 ASSERT(object->map()->IsMap()); | 1048 ASSERT(object->map()->IsMap()); |
1049 if (Heap::InNewSpace(object)) { | 1049 if (Heap::InNewSpace(object)) { |
1050 #ifndef V8_HOST_ARCH_64_BIT | |
1051 // TODO(X64): Reenable when RSet works. | |
1050 ASSERT(Page::IsRSetSet(reinterpret_cast<Address>(current), 0)); | 1052 ASSERT(Page::IsRSetSet(reinterpret_cast<Address>(current), 0)); |
Kevin Millikin (Chromium)
2009/05/22 12:47:49
Same comment---Page::IsRSetSet could return true i
Lasse Reichstein
2009/05/22 13:10:10
Done.
Returning true should be a safe approximatio
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1053 #endif // V8_HOST_ARCH_64_BIT | |
1051 } | 1054 } |
1052 } | 1055 } |
1053 } | 1056 } |
1054 } | 1057 } |
1055 }; | 1058 }; |
1056 #endif | 1059 #endif |
1057 | 1060 |
1058 | 1061 |
1059 // Space iterator for iterating over all spaces of the heap. | 1062 // Space iterator for iterating over all spaces of the heap. |
1060 // Returns each space in turn, and null when it is done. | 1063 // Returns each space in turn, and null when it is done. |
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1306 int marked_count_; | 1309 int marked_count_; |
1307 | 1310 |
1308 // The count from the end of the previous full GC. Will be zero if there | 1311 // The count from the end of the previous full GC. Will be zero if there |
1309 // was no previous full GC. | 1312 // was no previous full GC. |
1310 int previous_marked_count_; | 1313 int previous_marked_count_; |
1311 }; | 1314 }; |
1312 | 1315 |
1313 } } // namespace v8::internal | 1316 } } // namespace v8::internal |
1314 | 1317 |
1315 #endif // V8_HEAP_H_ | 1318 #endif // V8_HEAP_H_ |
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