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dl_iterate_phdr: provide exclusive locking for callback when statically linked
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Authored by kib on Aug 18 2020, 6:16 PM.

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Summary

Apparently llvm unwinder depends on the external locking for callback.

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rS FreeBSD src repository
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kib requested review of this revision.Aug 18 2020, 6:16 PM
This revision is now accepted and ready to land.Aug 18 2020, 8:57 PM

So can somebody confirm that this fixes the issue with llvm11 statically linked lld ?

I applied this patch as well as a hack to set _LIBUNWIND_USE_FRAME_HEADER_CACHE and the build was successful
https://cirrus-ci.com/build/6731100590440448