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amd64 db_trace: Reject unaligned frame pointers

Description

amd64 db_trace: Reject unaligned frame pointers

Switch to using db_addr_t to hold frame pointer values until they are
verified to be suitably aligned.

Reviewed by: kib, markj
Differential Revision: https://reviews.freebsd.org/D41532

(cherry picked from commit 4a9cd9fc22d7f87a27ccd3d41b93a0356cd7061c)

Details

Provenance
jhbAuthored on Sep 1 2023, 10:55 PM
Reviewer
kib
Differential Revision
D41532: amd64 db_trace: Reject unaligned frame pointers
Parents
rG408429cca4ac: efirt_machdep.c: Trim some unused includes
Branches
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Tags
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