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Method FindObjectPointers

deps/v8/tools/grokdump.py:1947–1964  ·  view source on GitHub ↗
(self, start=0, end=0)

Source from the content-addressed store, hash-verified

1945 self.AddressTypeMarker(target_address))
1946
1947 def FindObjectPointers(self, start=0, end=0):
1948 objects = set()
1949 def find_object_in_region(reader, start, size, location):
1950 for slot in range(start, start + size, self.reader.TaggedPointerSize()):
1951 if not self.reader.IsValidAddress(slot): break
1952 # Collect only tagged pointers (object) to tagged pointers (map)
1953 tagged_address = self.reader.ReadTagged(slot)
1954 if not self.IsValidTaggedObjectAddress(tagged_address): continue
1955 map_address = self.reader.ReadTagged(tagged_address - 1)
1956 if not self.IsTaggedMapAddress(map_address): continue
1957 objects.add(tagged_address)
1958
1959 if not start and not end:
1960 self.reader.ForEachMemoryRegion(find_object_in_region)
1961 else:
1962 find_object_in_region(self.reader, start, end-start, None)
1963
1964 return objects
1965
1966
1967for instance_type in V8Heap.CLASS_MAP.keys():

Callers 1

Calls 2

ForEachMemoryRegionMethod · 0.80
setFunction · 0.50

Tested by

no test coverage detected