lkml.org 
[lkml]   [2007]   [Jun]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2] doc/oops-tracing: add Code: decode info
On Fri, 22 Jun 2007 19:23:02 +0200 Andi Kleen wrote:

> On Friday 22 June 2007 18:44, Randy Dunlap wrote:
> > On Fri, 22 Jun 2007 16:26:39 +0200 Andi Kleen wrote:
> > > On Friday 22 June 2007 07:51:08 Randy Dunlap wrote:
> > > > From: Randy Dunlap <randy.dunlap@oracle.com>
> > > >
> > > > Add info that the Code: bytes line contains <xy> or (wxyz) in some
> > > > architecture oops reports and what that means.
> > > >
> > > > Add URL for a script by Andi Kleen that reads the Code: line from an
> > > > Oops report file and generates assembly code from the hex bytes.
> > > > (This script does not handle Code: lines that contain <xy> or (wxyz)
> > > > markings.)
> > >
> > > Should probably fix that and put it into scripts/ then
> >
> > From: Randy Dunlap <randy.dunlap@oracle.com>
>
> Thanks.
>
> >
> > +*Code:*)
> > + echo $i
> > + echo -n " .byte 0x" > $T.s
> > + echo $i | sed -e 's/.*Code: //;s/ [<(]/ /;s/[>)] / /;s/ /,0x/g' >> $T.s
> > + as -o $T.o $T.s
> > + objdump -S $T.o
>
> This still has a couple of problems:
>
> - The <> information is lost. It would be better to split and run
> objdump three times and insert a marker

Why 3 times? Why not just (1) everything before marker and
(2) everything at and after marker?

> - It won't handle multiline Code:s which i386 likes to generate now I think

I don't see the code in arch/i386/kernel/traps.c generating multiline
Code:s, just very long single lines.

---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-06-22 20:27    [W:0.079 / U:0.196 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site