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Differential D29687

x86: add x86_clear_dbregs() and ensure all ABI exec set_regs method clear debug registers file
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Authored by kib on Apr 9 2021, 11:30 PM.
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F166762276: D29687.diff
Sun, Aug 16, 7:36 AM
F166757149: D29687.diff
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F166745446: D29687.id87163.diff
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Details

Reviewers
jhb
emaste
mhorne
Commits
rG94172affa43a: amd64: clear debug registers on execing 32bit Linux binary
rGd50adfec9ee7: amd64: clear debug registers on execing 32bit native binary
rG2f1588474768: amd64 linux64: use x86_clear_dbregs()
rG290b0d123ae2: x86: use x86_clear_dbregs() on fork
rGa8b75a57c9b2: x86: add x86_clear_dbregs() helper
Summary

Also, clear PCB_DBGREGS flag on clearing debug registers on fork

Per-commit split is available at https://kib.kiev.ua/git/gitweb.cgi?p=deviant3.git;a=shortlog;h=refs/heads/exec_dbregs

Diff Detail

Repository
rG FreeBSD src repository
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Revision Contents
Changeset List

PathSize
sys/
amd64/
amd64/
50 lines
i386/
i386/
50 lines
x86/
include/
1 line

Diff 87166

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sys/amd64/amd64/machdep.c

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sys/i386/i386/machdep.c

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sys/x86/include/x86_var.h

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