Read the breakpoint instruction to determine its length in BKPT_SKIP.
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Authored by jhb on Feb 4 2020, 11:46 PM.

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imp

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Reviewers

mhorne
br

Commits

rS357591: Read the breakpoint instruction to determine its length in BKPT_SKIP.

Summary

This fixes continuing from debug.kdb.enter=1 after enabling the use
of compressed instructions since the compiler can emit the two byte
c.ebreak instead of the 4 byte ebreak.

Test Plan

sysctl debug.kdb.enter and then 'c' to continue

Diff Detail

Repository

rS FreeBSD src repository - subversion

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Event Timeline

jhb created this revision.Feb 4 2020, 11:46 PM

Harbormaster completed remote builds in B29171: Diff 67799.Feb 4 2020, 11:46 PM

br accepted this revision.Feb 5 2020, 5:50 PM

This revision is now accepted and ready to land.Feb 5 2020, 5:50 PM

Closed by commit rS357591: Read the breakpoint instruction to determine its length in BKPT_SKIP. (authored by jhb). · Explain WhyFeb 5 2020, 8:06 PM

This revision was automatically updated to reflect the committed changes.

jhb added a commit: rS357591: Read the breakpoint instruction to determine its length in BKPT_SKIP..

Herald added a subscriber: imp. · View Herald TranscriptFeb 5 2020, 8:06 PM

Revision Contents
Changeset List

Path

Size

head/

sys/

riscv/

include/

db_machdep.h

10 lines

Diff 67826

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head/sys/riscv/include/db_machdep.h

Read the breakpoint instruction to determine its length in BKPT_SKIP.ClosedPublicActions