Developers use XREFs to dig into the Android framework to optimize their own app code or understand undocumented behavior.
Look for symbols with zero references (handy for cleanup). xref aosp
The bug report was simple and cruel: a handful of devices in the field would crash during boot, and the only clue was a kernel panic backtrace that pointed to a mysterious symbol: xref_aosp_find(). No stack trace in upstream. No reproducer on Aria’s desk. Just a three-line panic log and a vendor manifest that had been forked and rebased so many times it resembled a map drawn over itself. Developers use XREFs to dig into the Android