All of lore.kernel.org
 help / color / mirror / Atom feed
From: Sasha Levin <sasha.levin@oracle.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] improve_stack: make stack dump output useful again
Date: Thu, 13 Mar 2014 19:07:54 -0400	[thread overview]
Message-ID: <53223A4A.7070408@oracle.com> (raw)
In-Reply-To: <CA+55aFxi5VQFu6_MVaVWhwj+bo-orQUmsKRakr_1Txfu1bEcpg@mail.gmail.com>

On 03/13/2014 06:59 PM, Linus Torvalds wrote:
> On Thu, Mar 13, 2014 at 3:20 PM, Sasha Levin <sasha.levin@oracle.com> wrote:
>>
>> I'll fix it up and re-send this patch.
>
> The problem (as you will find out) is that "addr2line" doesn't take
> symbolic names.
>
> So either addr2line needs to be improved (which really would be a good
> idea regardless), or your script needs to use "nm" or "gdb" or
> something to first translate the symbol+off into a hex number (which
> will not match the kernel-provided hex number when base randomization
> is in effect, but it will match the pre-randomized data in the vmlinux
> file, so then addr2line would work).

I figured that I'll just read it from System.map (and do the math when
adding the offset). That should work, right?


Thanks,
Sasha


  reply	other threads:[~2014-03-13 23:08 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-23  0:19 [RFC] improve_stack: make stack dump output useful again Sasha Levin
2014-02-23 20:27 ` Linus Torvalds
2014-02-23 20:44   ` Joe Perches
2014-02-23 20:55     ` Linus Torvalds
2014-03-13 15:16   ` Sasha Levin
2014-03-13 22:03     ` Linus Torvalds
2014-03-13 22:20       ` Sasha Levin
2014-03-13 22:59         ` Linus Torvalds
2014-03-13 23:07           ` Sasha Levin [this message]
2014-03-14  0:50             ` Linus Torvalds
2014-03-13 23:12       ` Dave Jones
2014-03-14 18:31         ` Kees Cook
2014-03-14 18:33           ` Dave Jones
2014-03-14 19:08           ` Dave Jones
2014-03-14 19:31             ` Kees Cook
2014-03-14 19:32             ` Linus Torvalds
2014-03-14 19:41               ` Linus Torvalds
2014-03-14 20:15                 ` Kees Cook
2014-03-14 20:08               ` Dave Jones

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=53223A4A.7070408@oracle.com \
    --to=sasha.levin@oracle.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=torvalds@linux-foundation.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.