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From: Arnaldo Carvalho de Melo <acme@infradead.org>
To: Gleb Natapov <gleb@redhat.com>
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu,
	peterz@infradead.org, paulus@samba.org
Subject: Re: [PATCH] Re: perf annotate segfaults when source code has goto label that looks like hex number
Date: Thu, 22 Jul 2010 13:52:22 -0300	[thread overview]
Message-ID: <20100722165222.GE17631@ghostprotocols.net> (raw)
In-Reply-To: <20100722164711.GD17631@ghostprotocols.net>

Em Thu, Jul 22, 2010 at 01:47:11PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Thu, Jul 22, 2010 at 07:38:51PM +0300, Gleb Natapov escreveu:
> > On Thu, Jul 22, 2010 at 11:33:45AM -0300, Arnaldo Carvalho de Melo wrote:
> > > Can you try the attached patch?
> > > 
> > I can, only later. But if I underhand your patch correctly perf will
> > still crash if there is a comment after the label on the same line.
> 
> Possibly, will try that now.

It could be a comment of play code, like:

[root@emilia ~]# cat test.c 
int main(int argc, char **argv)
{
      int i;

      while(1) {
              i++;
              if (i == 10000000)
                      goto add;
      }
add:	return 0;
}
[root@emilia ~]#

back to the drawing board :-\

- Arnaldo

  reply	other threads:[~2010-07-22 16:52 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-22  7:20 perf annotate segfaults when source code has goto label that looks like hex number Gleb Natapov
2010-07-22 14:33 ` [PATCH] " Arnaldo Carvalho de Melo
2010-07-22 16:38   ` Gleb Natapov
2010-07-22 16:47     ` Arnaldo Carvalho de Melo
2010-07-22 16:52       ` Arnaldo Carvalho de Melo [this message]
2010-07-22 17:05         ` [PATCH v2] " Arnaldo Carvalho de Melo
2010-07-22 18:05           ` Gleb Natapov
2010-07-22 19:11             ` Arnaldo Carvalho de Melo
2010-07-22 19:16               ` Gleb Natapov
2010-08-02  9:02               ` Peter Zijlstra
2010-08-02 14:52                 ` Arnaldo Carvalho de Melo
2010-07-23 12:11           ` [tip:perf/urgent] perf annotate: Fix handling of goto labels that are valid hex numbers tip-bot for Arnaldo Carvalho de Melo

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