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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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897 } else if (sample.tos != NULL) { | 897 } else if (sample.tos != NULL) { |
898 // Find out, if top of stack was pointing inside a JS function | 898 // Find out, if top of stack was pointing inside a JS function |
899 // meaning that we have encountered a frameless invocation. | 899 // meaning that we have encountered a frameless invocation. |
900 *entry = code_map_.FindEntry(sample.tos); | 900 *entry = code_map_.FindEntry(sample.tos); |
901 if (*entry != NULL && !(*entry)->is_js_function()) { | 901 if (*entry != NULL && !(*entry)->is_js_function()) { |
902 *entry = NULL; | 902 *entry = NULL; |
903 } | 903 } |
904 entry++; | 904 entry++; |
905 } | 905 } |
906 | 906 |
907 for (const Address *stack_pos = sample.stack, | 907 for (const Address* stack_pos = sample.stack, |
908 *stack_end = stack_pos + sample.frames_count; | 908 *stack_end = stack_pos + sample.frames_count; |
909 stack_pos != stack_end; | 909 stack_pos != stack_end; |
910 ++stack_pos) { | 910 ++stack_pos) { |
911 *entry++ = code_map_.FindEntry(*stack_pos); | 911 *entry++ = code_map_.FindEntry(*stack_pos); |
912 } | 912 } |
913 } | 913 } |
914 | 914 |
915 if (FLAG_prof_browser_mode) { | 915 if (FLAG_prof_browser_mode) { |
916 bool no_symbolized_entries = true; | 916 bool no_symbolized_entries = true; |
917 for (CodeEntry** e = entries.start(); e != entry; ++e) { | 917 for (CodeEntry** e = entries.start(); e != entry; ++e) { |
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1588 if (ids_.FindObject(obj->address()) == id) { | 1588 if (ids_.FindObject(obj->address()) == id) { |
1589 ASSERT(object == NULL); | 1589 ASSERT(object == NULL); |
1590 object = obj; | 1590 object = obj; |
1591 // Can't break -- kFilterUnreachable requires full heap traversal. | 1591 // Can't break -- kFilterUnreachable requires full heap traversal. |
1592 } | 1592 } |
1593 } | 1593 } |
1594 return object != NULL ? Handle<HeapObject>(object) : Handle<HeapObject>(); | 1594 return object != NULL ? Handle<HeapObject>(object) : Handle<HeapObject>(); |
1595 } | 1595 } |
1596 | 1596 |
1597 | 1597 |
1598 HeapEntry *const HeapEntriesMap::kHeapEntryPlaceholder = | 1598 HeapEntry* const HeapEntriesMap::kHeapEntryPlaceholder = |
1599 reinterpret_cast<HeapEntry*>(1); | 1599 reinterpret_cast<HeapEntry*>(1); |
1600 | 1600 |
1601 HeapEntriesMap::HeapEntriesMap() | 1601 HeapEntriesMap::HeapEntriesMap() |
1602 : entries_(HeapThingsMatch), | 1602 : entries_(HeapThingsMatch), |
1603 entries_count_(0), | 1603 entries_count_(0), |
1604 total_children_count_(0), | 1604 total_children_count_(0), |
1605 total_retainers_count_(0) { | 1605 total_retainers_count_(0) { |
1606 } | 1606 } |
1607 | 1607 |
1608 | 1608 |
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1717 | 1717 |
1718 void HeapObjectsSet::SetTag(Object* obj, const char* tag) { | 1718 void HeapObjectsSet::SetTag(Object* obj, const char* tag) { |
1719 if (!obj->IsHeapObject()) return; | 1719 if (!obj->IsHeapObject()) return; |
1720 HeapObject* object = HeapObject::cast(obj); | 1720 HeapObject* object = HeapObject::cast(obj); |
1721 HashMap::Entry* cache_entry = | 1721 HashMap::Entry* cache_entry = |
1722 entries_.Lookup(object, HeapEntriesMap::Hash(object), true); | 1722 entries_.Lookup(object, HeapEntriesMap::Hash(object), true); |
1723 cache_entry->value = const_cast<char*>(tag); | 1723 cache_entry->value = const_cast<char*>(tag); |
1724 } | 1724 } |
1725 | 1725 |
1726 | 1726 |
1727 HeapObject *const V8HeapExplorer::kInternalRootObject = | 1727 HeapObject* const V8HeapExplorer::kInternalRootObject = |
1728 reinterpret_cast<HeapObject*>( | 1728 reinterpret_cast<HeapObject*>( |
1729 static_cast<intptr_t>(HeapObjectsMap::kInternalRootObjectId)); | 1729 static_cast<intptr_t>(HeapObjectsMap::kInternalRootObjectId)); |
1730 HeapObject *const V8HeapExplorer::kGcRootsObject = | 1730 HeapObject* const V8HeapExplorer::kGcRootsObject = |
1731 reinterpret_cast<HeapObject*>( | 1731 reinterpret_cast<HeapObject*>( |
1732 static_cast<intptr_t>(HeapObjectsMap::kGcRootsObjectId)); | 1732 static_cast<intptr_t>(HeapObjectsMap::kGcRootsObjectId)); |
1733 HeapObject *const V8HeapExplorer::kFirstGcSubrootObject = | 1733 HeapObject* const V8HeapExplorer::kFirstGcSubrootObject = |
1734 reinterpret_cast<HeapObject*>( | 1734 reinterpret_cast<HeapObject*>( |
1735 static_cast<intptr_t>(HeapObjectsMap::kGcRootsFirstSubrootId)); | 1735 static_cast<intptr_t>(HeapObjectsMap::kGcRootsFirstSubrootId)); |
1736 HeapObject *const V8HeapExplorer::kLastGcSubrootObject = | 1736 HeapObject* const V8HeapExplorer::kLastGcSubrootObject = |
1737 reinterpret_cast<HeapObject*>( | 1737 reinterpret_cast<HeapObject*>( |
1738 static_cast<intptr_t>(HeapObjectsMap::kFirstAvailableObjectId)); | 1738 static_cast<intptr_t>(HeapObjectsMap::kFirstAvailableObjectId)); |
1739 | 1739 |
1740 | 1740 |
1741 V8HeapExplorer::V8HeapExplorer( | 1741 V8HeapExplorer::V8HeapExplorer( |
1742 HeapSnapshot* snapshot, | 1742 HeapSnapshot* snapshot, |
1743 SnapshottingProgressReportingInterface* progress) | 1743 SnapshottingProgressReportingInterface* progress) |
1744 : heap_(Isolate::Current()->heap()), | 1744 : heap_(Isolate::Current()->heap()), |
1745 snapshot_(snapshot), | 1745 snapshot_(snapshot), |
1746 collection_(snapshot_->collection()), | 1746 collection_(snapshot_->collection()), |
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3638 | 3638 |
3639 | 3639 |
3640 void HeapSnapshotJSONSerializer::SortHashMap( | 3640 void HeapSnapshotJSONSerializer::SortHashMap( |
3641 HashMap* map, List<HashMap::Entry*>* sorted_entries) { | 3641 HashMap* map, List<HashMap::Entry*>* sorted_entries) { |
3642 for (HashMap::Entry* p = map->Start(); p != NULL; p = map->Next(p)) | 3642 for (HashMap::Entry* p = map->Start(); p != NULL; p = map->Next(p)) |
3643 sorted_entries->Add(p); | 3643 sorted_entries->Add(p); |
3644 sorted_entries->Sort(SortUsingEntryValue); | 3644 sorted_entries->Sort(SortUsingEntryValue); |
3645 } | 3645 } |
3646 | 3646 |
3647 } } // namespace v8::internal | 3647 } } // namespace v8::internal |
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