From 2a16acac57c6ad3936cec05e8ce315359c5cb7c9 Mon Sep 17 00:00:00 2001
From: anton <>
Date: Sun, 19 Aug 2018 11:42:33 +0000
Subject: [PATCH] Add kcov(4), a kernel code coverage tracing driver. It's used
 in conjunction with the syzkaller kernel fuzzer. So far, 8 distinct panics
 have been found and fixed. This effort will continue.

kcov is limited to architectures using Clang as their default compiler and is
not enabled by default.

With help from mpi@, thanks!

ok kettenis@ mpi@ visa@
---
 src/etc/MAKEDEV.common       | 5 ++++-
 src/etc/etc.amd64/MAKEDEV.md | 3 ++-
 src/etc/etc.i386/MAKEDEV.md  | 3 ++-
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/etc/MAKEDEV.common b/src/etc/MAKEDEV.common
index db19b2d4..1631f1b9 100644
--- a/src/etc/MAKEDEV.common
+++ b/src/etc/MAKEDEV.common
@@ -1,4 +1,4 @@
-vers(a, {-$OpenBSD: MAKEDEV.common,v 1.99 2018/07/28 08:09:50 ratchov Exp $-})dnl
+vers(a, {-$OpenBSD: MAKEDEV.common,v 1.100 2018/08/19 11:42:33 anton Exp $-})dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
 dnl
@@ -167,6 +167,7 @@ target(all, fuse)dnl
 target(all, vmm)dnl
 target(all, pvbus, 0, 1)dnl
 target(all, bpf)dnl
+target(all, kcov)dnl
 dnl
 _mkdev(all, {-all-}, {-dnl
 show_target(all)dnl
@@ -521,3 +522,5 @@ _mkdev(vmm, vmm, {-M vmm c major_vmm_c 0 600-})dnl
 __devitem(pvbus, pvbus*, paravirtual device tree root)dnl
 _mkdev(pvbus, {-pvbus*-}, {-M pvbus$U c major_pvbus_c $U 640-}, 640)dnl
 _mkdev(local, local, {-test -s $T.local && sh $T.local-})dnl
+__devitem(kcov, kcov, Kernel code coverage tracing)dnl
+_mkdev(kcov, kcov, {-M kcov c major_kcov_c 0 600-})dnl
diff --git a/src/etc/etc.amd64/MAKEDEV.md b/src/etc/etc.amd64/MAKEDEV.md
index cd915ec3..1aa4f673 100644
--- a/src/etc/etc.amd64/MAKEDEV.md
+++ b/src/etc/etc.amd64/MAKEDEV.md
@@ -1,6 +1,6 @@
 define(MACHINE,amd64)dnl
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.69 2016/09/11 19:59:53 deraadt Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.70 2018/08/19 11:42:33 anton Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
@@ -77,6 +77,7 @@ _DEV(hotplug, 82)
 _DEV(ipmi, 96)
 dnl _DEV(joy, 26)
 _DEV(nvram, 85)
+_DEV(kcov, 19)
 _DEV(pci, 72)
 _DEV(pctr, 46)
 _DEV(pf, 73)
diff --git a/src/etc/etc.i386/MAKEDEV.md b/src/etc/etc.i386/MAKEDEV.md
index c7f74ee5..a06b5039 100644
--- a/src/etc/etc.i386/MAKEDEV.md
+++ b/src/etc/etc.i386/MAKEDEV.md
@@ -1,6 +1,6 @@
 define(MACHINE,i386)dnl
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.83 2016/09/11 19:59:53 deraadt Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.84 2018/08/19 11:42:33 anton Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
@@ -78,6 +78,7 @@ _DEV(gpr, 80)
 _DEV(hotplug, 82)
 _DEV(ipmi, 96)
 _DEV(joy, 26)
+_DEV(kcov, 19)
 _DEV(nvram, 84)
 _DEV(pci, 72)
 _DEV(pctr, 46)