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Tighten frame pointer checking in DTrace's amd64 stack unwinder.

Description

Tighten frame pointer checking in DTrace's amd64 stack unwinder.

Avoid assuming that the kernel was compiled with
-fno-omit-frame-pointer.

MFC after: 1 week
Sponsored by: NetApp, Inc.
Sponsored by: Klara, Inc.

Details

Provenance
markjAuthored on Sep 1 2020, 3:15 PM
Parents
rG8d4b1e3b767f: Correct the D definition for EINTEGRITY.
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