arm64: add definition for IS_SSTEP_TRAP()
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Authored by mhorne on Feb 26 2021, 5:42 PM.

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jhb
manu
andrew
markj

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rGe152c882738f: arm64: add definition for IS_SSTEP_TRAP()

Summary

arm64 has a distinct exception code for single-step, so we can use this
to detect when an unexpected SS trap is encountered, or when an expected
one is not.

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rG FreeBSD src repository

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Tests Not Applicable

Event Timeline

mhorne created this revision.Feb 26 2021, 5:42 PM

Herald added a reviewer: manu. · View Herald TranscriptFeb 26 2021, 5:42 PM

Herald added subscribers: emaste, andrew, imp. · View Herald Transcript

mhorne requested review of this revision.Feb 26 2021, 5:42 PM

Harbormaster completed remote builds in B37411: Diff 84753.Feb 26 2021, 5:42 PM

mhorne added reviewers: andrew, markj.Feb 26 2021, 6:02 PM

jhb accepted this revision.Feb 26 2021, 9:11 PM

This revision is now accepted and ready to land.Feb 26 2021, 9:11 PM

markj accepted this revision.Feb 27 2021, 4:47 PM

Closed by commit rGe152c882738f: arm64: add definition for IS_SSTEP_TRAP() (authored by mhorne). · Explain WhyMar 1 2021, 2:08 PM

This revision was automatically updated to reflect the committed changes.

mhorne added a commit: rGe152c882738f: arm64: add definition for IS_SSTEP_TRAP().

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sys/

arm64/

include/

db_machdep.h

2 lines

Diff 84899

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sys/arm64/include/db_machdep.h

arm64: add definition for IS_SSTEP_TRAP()ClosedPublicActions