Date: Thu, 16 Apr 2009 15:48:26 +0400 (MSD) From: Anton Yuzhaninov <citrin@citrin.ru> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/133775: [patch] gdb debugscripts: fix proc address print in ps macros Message-ID: <200904161148.n3GBmQX4078806@citrin.park.rambler.ru> Resent-Message-ID: <200904161150.n3GBo1Pf082292@freefall.freebsd.org>
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>Number: 133775
>Category: kern
>Synopsis: [patch] gdb debugscripts: fix proc address print in ps macros
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Thu Apr 16 11:50:01 UTC 2009
>Closed-Date:
>Last-Modified:
>Originator: Anton Yuzhaninov
>Release: FreeBSD 8.0-CURRENT amd64
>Organization:
Rambler
>Environment:
System: FreeBSD citrin.park.rambler.ru 8.0-CURRENT FreeBSD 8.0-CURRENT #0: Wed Apr 8 05:31:05 MSD 2009 citrin@citrin.park.rambler.ru:/usr/obj/usr/src/sys/GENERIC amd64
>Description:
ps macros from debugscripts print correct proc address on i386, but print only half of address on amd64
>How-To-Repeat:
on amd64 host:
# cd/usr/obj/usr/src/sys/GENERIC
# make gdbinit
# kgdb kernel.debug /dev/mem
(kgdb) ps
During symbol reading, Incomplete CFI data; unspecified registers at 0xffffffff805479c9.
pid proc uid ppid pgrp flag stat comm wchan
76791 57d01000 1001 75925 31548 10004002 1 inkscape
76789 042978b0 0 35574 76789 10004002 1 kgdb
...
(kgdb) p *(struct proc*) 0x042978b0
Error accessing memory address 0x42978b0: Bad address.
>Fix:
--- tools/debugscripts/gdbinit.kernel.orig 2009-04-16 14:09:42.000000000 +0400
+++ tools/debugscripts/gdbinit.kernel 2009-04-16 15:33:52.000000000 +0400
@@ -199,7 +199,7 @@
set $nproc = nprocs
set $aproc = allproc.lh_first
set $proc = allproc.lh_first
- printf " pid proc uid ppid pgrp flag stat comm wchan\n"
+ printf " pid proc uid ppid pgrp flag stat comm wchan\n"
while (--$nproc >= 0)
set $pptr = $proc.p_pptr
if ($pptr == 0)
@@ -208,7 +208,7 @@
if ($proc.p_state)
set $thread = $proc->p_threads.tqh_first
while ($thread)
- printf "%5d %08x %4d %5d %5d %06x %d %-10s ", \
+ printf "%5d %18p %4d %5d %5d %06x %d %-10s ", \
$proc.p_pid, $aproc, \
$proc.p_ucred->cr_ruid, $pptr->p_pid, \
$proc.p_pgrp->pg_id, $proc.p_flag, $proc.p_state, \
>Release-Note:
>Audit-Trail:
>Unformatted:
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