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Differential D39939

lldb: dereference stoppcbs based on target kernel version
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Authored by emaste on May 2 2023, 8:28 PM.
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dim
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rG104cc21de8d6: lldb: dereference stoppcbs based on target kernel version
rG0f2bb40bc7dd: lldb: dereference stoppcbs based on target kernel version
Summary
As of [some hash] / __FreeBSD_version [some version]  stoppcbs is a
pointer to the array.  Check the target osreldate and if the kernel is
sufficiently new dereference stoppcbs.

Xref D39806. This change is not yet tested, posting for discussion.

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Event Timeline

emaste requested review of this revision.May 2 2023, 8:28 PM
emaste created this revision.
emaste mentioned this in D39806: smp: Dynamically allocate the stoppcbs array.
emaste added inline comments.May 2 2023, 8:32 PM
contrib/llvm-project/lldb/source/Plugins/Process/FreeBSDKernel/ProcessFreeBSDKernel.cpp
185

Perhaps (stoppcbs != LLDB_INVALID_ADDRESS && osreldate > 1400088)

emaste added reviewers: markj, dim.May 2 2023, 8:32 PM
emaste added a subscriber: jhb.May 2 2023, 11:26 PM
markj accepted this revision.May 3 2023, 1:50 PM
This revision is now accepted and ready to land.May 3 2023, 1:50 PM
emaste updated this revision to Diff 121484.May 3 2023, 4:48 PM

Drop XXX comment, add stoppcbs != LLDB_INVALID_ADDRESS to condition.

This revision now requires review to proceed.May 3 2023, 4:48 PM
This revision was not accepted when it landed; it landed in state Needs Review.May 26 2023, 1:50 AM
Closed by commit rG0f2bb40bc7dd: lldb: dereference stoppcbs based on target kernel version (authored by emaste). · Explain Why
This revision was automatically updated to reflect the committed changes.
emaste added a commit: rG0f2bb40bc7dd: lldb: dereference stoppcbs based on target kernel version.
Herald added a subscriber: imp. · View Herald TranscriptMay 26 2023, 1:50 AM
dim added a commit: rG104cc21de8d6: lldb: dereference stoppcbs based on target kernel version.Jan 7 2024, 11:10 PM

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contrib/
llvm-project/
lldb/
source/
Plugins/
Process/
FreeBSDKernel/
6 lines

Diff 121421

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contrib/llvm-project/lldb/source/Plugins/Process/FreeBSDKernel/ProcessFreeBSDKernel.cpp

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