Page MenuHomeFreeBSD
Differential D29687

x86: add x86_clear_dbregs() and ensure all ABI exec set_regs method clear debug registers file
ClosedPublic
Actions

Authored by kib on Apr 9 2021, 11:30 PM.
Tags
None
Referenced Files
F148496572: D29687.id.diff
Wed, Mar 18, 6:31 AM
Unknown Object (File)
Sun, Mar 15, 8:21 PM
Unknown Object (File)
Tue, Mar 10, 7:05 AM
Unknown Object (File)
Sat, Mar 7, 5:33 PM
Unknown Object (File)
Fri, Mar 6, 6:26 AM
Unknown Object (File)
Jan 5 2026, 1:25 PM
Unknown Object (File)
Dec 30 2025, 2:19 AM
Unknown Object (File)
Nov 25 2025, 2:13 PM
View All 87 Files
Subscribers
None

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
Lint
Lint Not Applicable
Unit
Tests Not Applicable

Revision Contents
Changeset List

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

Diff 87166

View Options

sys/amd64/amd64/machdep.c

Loading...
View Options

sys/i386/i386/machdep.c

Loading...
View Options

sys/x86/include/x86_var.h

Loading...