libsanitizer/lsan/lsan_common.cc

151 // chunks. Marks those chunks with |tag| and adds them to |frontier|.
155 // so |frontier| = 0.
157                           Frontier *frontier,
188     if (frontier)
189       frontier->push_back(chunk);
194   Frontier *frontier = reinterpret_cast<Frontier *>(arg);
195   ScanRangeForPointers(begin, end, frontier, "FAKE STACK", kReachable);
200                            Frontier *frontier) {
227       ScanRangeForPointers(registers_begin, registers_end, frontier,
241       ScanRangeForPointers(stack_begin, stack_end, frontier, "STACK",
243       ForEachExtraStackRange(os_id, ForEachExtraStackRangeCb, frontier);
249         ScanRangeForPointers(tls_begin, tls_end, frontier, "TLS", kReachable);
256           ScanRangeForPointers(tls_begin, cache_begin, frontier, "TLS",
259           ScanRangeForPointers(cache_end, tls_end, frontier, "TLS", kReachable);
265 static void ProcessRootRegion(Frontier *frontier, uptr root_begin,
280       ScanRangeForPointers(intersection_begin, intersection_end, frontier,
286 static void ProcessRootRegions(Frontier *frontier) {
292     ProcessRootRegion(frontier, begin_addr, begin_addr + region.size);
296 static void FloodFillTag(Frontier *frontier, ChunkTag tag) {
297   while (frontier->size()) {
298     uptr next_chunk = frontier->back();
299     frontier->pop_back();
301     ScanRangeForPointers(next_chunk, next_chunk + m.requested_size(), frontier,
313                          /* frontier */ 0, "HEAP", kIndirectlyLeaked);
318 // frontier.
329   // Holds the flood fill frontier.
330   Frontier frontier(1);
332   ProcessGlobalRegions(&frontier);
333   ProcessThreads(suspended_threads, &frontier);
334   ProcessRootRegions(&frontier);
335   FloodFillTag(&frontier, kReachable);
340   ProcessPlatformSpecificAllocations(&frontier);
341   FloodFillTag(&frontier, kReachable);
344   CHECK_EQ(0, frontier.size());
345   ForEachChunk(CollectIgnoredCb, &frontier);
346   FloodFillTag(&frontier, kIgnored);