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Date: Tue, 20 Jun 2006 18:24:07 -0300
From: Marcus Alves Grando <mnag@FreeBSD.org>
Organization: FreeBSD.org
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To: John Baldwin <jhb@freebsd.org>
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	<200606201002.07695.jhb@freebsd.org>	<20060620230149.S43840@atlantis.atlantis.dp.ua>
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Cc: Adi Pircalabu <apircalabu@bitdefender.com>,
	Hajimu UMEMOTO <ume@freebsd.org>, kan@freebsd.org,
	Ivan Voras <ivoras@fer.hr>, freebsd-current@freebsd.org,
	Dmitry Pryanishnikov <dmitry@atlantis.dp.ua>
Subject: Re: Linux-flashplugin7 & rtld - RFC
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John Baldwin wrote:
> On Tuesday 20 June 2006 16:07, Dmitry Pryanishnikov wrote:
>> Hello!
>>
>> On Tue, 20 Jun 2006, John Baldwin wrote:
>>>>> This patch is somewhat redundant.  Adding
>>>>>
>>>>> 	__weak_reference(dlsym, _dlsym);
>>>>>
>>>>> is enough.
>>>>   Indeed, this also works for me. It would be nice to see this trivial
>>>> addition committed.
>>> I agree.  Do you have the __weak_reference() patch handy?
>>   Sure, here is the diff against HEAD:
>>
>> --- libexec/rtld-elf/rtld.c.orig        Tue Mar 28 10:17:21 2006
>> +++ libexec/rtld-elf/rtld.c     Tue Jun 20 22:35:17 2006
>> @@ -137,6 +137,8 @@
>>
>>   void r_debug_state(struct r_debug*, struct link_map*);
>>
>> +__weak_reference(dlsym, _dlsym);
>> +
>>   /*
>>    * Data declarations.
>>    */
>>
>> I'm not sure whether it's style(9)-compliant, it just works.
> 
> Well, this patch was shot down.  Would it be possible to have the 
> pluginwrapper provide the _dlsym weak reference itself?
> 

I already try. That's not possible.

I don't know why :/ but i think that's because something with linux
emulation/load shared libraries.

Regards

-- 
Marcus Alves Grando
marcus(at)corp.grupos.com.br  |  Grupos Internet S/A
  mnag(at)FreeBSD.org         |  FreeBSD.org