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c21bc6f3 |
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21-Mar-2024 |
Bojan Novković <bnovkov@FreeBSD.org> |
ddb: Add CTF-based pretty printing Add basic CTF support and a CTF-powered pretty-printer to ddb. The db_ctf.* files expose a basic interface for fetching type data for ELF symbols, interacting with the CTF string table, and translating type identifiers to type data. The db_pprint.c file uses those interfaces to implement a pretty-printer for all kernel ELF symbols. The pretty-printer works with symbol names and arbitrary addresses: pprint struct thread 0xffffffff8194ad90 Pretty-printing currently only works after the root filesystem gets mounted because the CTF info is not available during early boot. Differential Revision: https://reviews.freebsd.org/D37899 Approved by: markj (mentor)
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