Function CheckTcIntegrity

BeefRT/dbg/gc.cpp:470–514

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static void CheckTcIntegrity()
{
	auto pageHeap = Static::pageheap();
	if (pageHeap == NULL)
		return;

#ifdef BF64
	//BP_ZONE("CheckTcIntegrity");

	Beefy::HashSet<tcmalloc_obj::Span*> spanSet;

	int interiorLen = PageHeap::PageMap::INTERIOR_LENGTH;
	int leafLen = PageHeap::PageMap::LEAF_LENGTH;

	for (int pageIdx1 = 0; pageIdx1 < PageHeap::PageMap::INTERIOR_LENGTH; pageIdx1++)
	{
		PageHeap::PageMap::Node* node1 = Static::pageheap()->pagemap_.root_->ptrs[pageIdx1];
		if (node1 == NULL)
			continue;
		for (int pageIdx2 = 0; pageIdx2 < PageHeap::PageMap::INTERIOR_LENGTH; pageIdx2++)
		{
			PageHeap::PageMap::Node* node2 = node1->ptrs[pageIdx2];
			if (node2 == NULL)
				continue;
			for (int pageIdx3 = 0; pageIdx3 < PageHeap::PageMap::LEAF_LENGTH; pageIdx3++)
			{
				tcmalloc_obj::Span* span = (tcmalloc_obj::Span*)node2->ptrs[pageIdx3];
				if (span != NULL)
				{
					int expectedStartPage = ((pageIdx1 * PageHeap::PageMap::INTERIOR_LENGTH) + pageIdx2) * PageHeap::PageMap::LEAF_LENGTH + pageIdx3;

					if (span->start == expectedStartPage)
					{
						auto result = spanSet.Add(span);
						BF_ASSERT(result);
					}
				}
			}
		}
	}

	int spansFound = spanSet.size();

#endif
}

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