@astrid The trie? In liblzma_la-crc64-fast.o it's at 0xC340 (has_child masks) and 0xAEE0 (node info).

Here is the parser, but so far I've only seen one version of this: gist.github.com/Riatre/527a34d

(Offsets hardcoded here is for snapshot.debian.org/archive/de)