[Lldb-commits] [PATCH] D86389: [lldb] Add a SymbolFileProvider to record and replay calls to dsymForUUID

Jonas Devlieghere via Phabricator via lldb-commits lldb-commits at lists.llvm.org
Fri Aug 21 18:09:06 PDT 2020

JDevlieghere created this revision.
JDevlieghere added a reviewer: jasonmolenda.
Herald added a subscriber: mgrang.
JDevlieghere requested review of this revision.

When replaying a reproducer captured from a core file, we always use dsymForUUID for the kernel binary. When enabled, we also use it to find kexts. Since these files are already contained in the reproducer, there's no reason to call out to an external tool. If the tool returns a different result, e.g. because the dSYM got garbage collected, it will break reproducer replay. The SymbolFileProvider solves the issue by mapping UUIDs to module and symbol paths in the reproducer.



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