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Make these work again. I know, I'm a bit impatient, since they've

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only been broken for 12 years, but some things are better done
sooner than later.

While meddling here, introduce mp_vchain, which prints the vnode
chain given a mount point.
This commit is contained in:
pooka 2006-09-29 15:43:06 +00:00
parent 897b34d36d
commit 751537fe38
2 changed files with 22 additions and 10 deletions
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26
sys/gdbscripts/vchain
View File

@ -1,17 +1,16 @@
# $NetBSD: vchain,v 1.2 1997/02/12 23:35:10 gwr Exp $
# $NetBSD: vchain,v 1.3 2006/09/29 15:43:06 pooka Exp $
# @(#)vchain 8.1 (Berkeley) 6/10/93
#
# Given a vnode, follow its mount pointers
define vchain
set $num = 0
set $vp=(struct vnode *)$arg0
while ($vp)
printf "vp: 0x%x freef: 0x%x usecount: %d flags: 0x%x\n", $vp, $vp->v_freef, $vp->v_usecount, $vp->v_flag
printf "vp: 0x%x freelist_next: 0x%x usecount: %d flags: 0x%x\n", $vp, $vp->v_freelist.tqe_next, $vp->v_uobj.uo_refs, $vp->v_flag
set $num++
set $vp = $vp->v_mountf
set $vp = $vp->v_mntvnodes.le_next
end
printf "Number of vnodes: %d\n", $num
end
@ -21,10 +20,23 @@ define vprint
set $ip=(struct inode *)$vp->v_data
end
# print the vnode chain for a given mount point
define mp_vchain
set $mp = (struct mount *)$arg0
vchain $mp->mnt_vnodelist.lh_first
end
# print vnode chains for all mount points
define vall
set $mp=rootfs
set $mp=mountlist.cqh_first
while ($mp)
vchain $mp->mnt_mounth
set $mp=$mp->mnt_next
printf "\tmount point at 0x%x\n", $mp
mp_vchain $mp
set $mp=$mp->mnt_list.cqe_next
# "break"
if ((const void *)$mp == (const void *)&mountlist)
set $mp = 0
end
end
end

6
sys/gdbscripts/vdump
View File

@ -1,4 +1,4 @@
# $NetBSD: vdump,v 1.2 1997/02/12 23:35:11 gwr Exp $
# $NetBSD: vdump,v 1.3 2006/09/29 15:43:06 pooka Exp $
# @(#)vdump 8.1 (Berkeley) 6/10/93
#
@ -8,7 +8,7 @@ define dumpvnodes
set $vp = (struct vnode *)$arg0
while ($vp)
printf "vnode=0x%x freef=0x%x mountf=0x%x usecount=%d\n", $vp, $vp->v_freef, $vp->v_mountf, $vp->v_usecount
set $vp = (struct vnode *)$vp->v_freef
printf "vnode=0x%x freef=0x%x mountf=0x%x usecount=%d\n", $vp, $vp->v_freelist.tqe_next, $vp->v_mntvnodes.le_next, $vp->v_uobj.uo_refs
set $vp = (struct vnode *)$vp->v_freelist.tqe_next
end
end