ByteDance Terminal Technology
Mar 15, 2022 · Mobile Development
Understanding Fixup Chain: Apple’s New Dynamic Linking Technique in iOS 15
Fixup chain, introduced in iOS 15, replaces the previous compressed‑byte‑stream rebase/bind format with a linked‑list style structure that stores dynamic‑link information more compactly, improves space locality, reduces binary size, and speeds up app launch by allowing a single pass rebase and bind process.
BINDDynamic LinkingMach-O
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