Don't allow debuggers to modify SSTATUS, only to read it.
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Authored by jhb on Oct 30 2018, 11:45 PM.

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markj

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rS340027: Don't allow debuggers to modify SSTATUS, only to read it.

Test Plan

basic gdb of live processes still works. Trying to set $status in gdb doesn't now fails to do anything. (I didn't actually try it on an old kernel to see what would have happened, but I supsect it wouldn't have worked out well.)

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Buildable 20524
Build 19952: arc lint + arc unit

Event Timeline

jhb created this revision.Oct 30 2018, 11:45 PM

Harbormaster completed remote builds in B20524: Diff 49811.Oct 30 2018, 11:45 PM

markj accepted this revision.Oct 31 2018, 7:01 PM

This revision is now accepted and ready to land.Oct 31 2018, 7:01 PM

Closed by commit rS340027: Don't allow debuggers to modify SSTATUS, only to read it. (authored by jhb). · Explain WhyNov 1 2018, 10:13 PM

This revision was automatically updated to reflect the committed changes.

Herald added a subscriber: imp. · View Herald TranscriptNov 1 2018, 10:13 PM

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sys/

riscv/

machdep.c

1 line

Diff 49811

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Don't allow debuggers to modify SSTATUS, only to read it.ClosedPublicActions