linux-kernel - Re: stack validation warning on lttng-modules bytecode interpreter

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Date:	Wed, 15 Jun 2016 20:42:54 +0000 (UTC)
From:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To:	Josh Poimboeuf <jpoimboe@...hat.com>
Cc:	lttng-dev <lttng-dev@...ts.lttng.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: stack validation warning on lttng-modules bytecode interpreter

----- On Jun 15, 2016, at 4:28 PM, Josh Poimboeuf jpoimboe@...hat.com wrote:

> On Wed, Jun 15, 2016 at 03:24:52PM -0500, Josh Poimboeuf wrote:
>> Thanks, figured it out.  It was an objtool bug.  It was expecting the
>> macro to create a section symbol (STT_SECTION), but for some reason this
>> file's use of the macro creates a function symbol (STT_FUNC).
> 
> Actually, to be precise: this file's use of the macro creates a
> relocation which references the function symbol rather than the section
> symbol.

Cool! Thanks for looking into this.

Mathieu

> 
> 
> --
> Josh

-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com