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2023-10-10Rewrite `read_encoded_pointer` conforming to strict provenanceniluxv-28/+69
* Entries in the callsite table now use a dedicated function for reading an offset rather than a pointer * `read_encoded_pointer` uses that new function for reading offsets when the "application" part of the encoding indicates an offset (relative to some pointer) * It now errors out on nonsensical "application" and "value encoding" combinations Inspired by @eddyb's comment on zulip about this: <https://rust-lang.zulipchat.com/#narrow/stream/136281-t-opsem/topic/strict.20provenance.20in.20dwarf.3A.3Aeh/near/276197290>
2023-10-10Use pointers instead of `usize` addresses for landing padsniluxv-29/+37
This bring unwind and personality code more in line with strict-provenance
2023-07-09move personality to sysGus Caplan-0/+300