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DTrace: fix reading a 64-bits register on amd64
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Authored by oshogbo on May 22 2019, 7:48 PM.
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Details

Summary

The registers in ilumos and FreeBSD have a different number.
In the illumos, last 32-bits register defined is SS an in FreeBSD is GS.
This off-by-one caused the uregs array to returns the wrong 64-bits register
on amd64.

Diff Detail

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Build Status
Buildable 24407
Build 23223: arc lint + arc unit

Event Timeline

markj added inline comments.
sys/cddl/dev/dtrace/amd64/dtrace_isa.c
519

I wouldn't bother with the comment in such a small block.

This revision is now accepted and ready to land.May 22 2019, 9:10 PM
This revision was automatically updated to reflect the committed changes.