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Subject: Re: Preventing preemption of 'protected' symbols in GNU ld 2.26
From: Joe Groff <jgroff@apple.com>
In-reply-to: <CAMe9rOowzNKqmgf+5A6R-BdEjv2_KAnEYO=PxUH6=MYST_Fu3w@mail.gmail.com>
Date: Thu, 24 Mar 2016 17:06:00 -0000
Cc: Cary Coutant <ccoutant@gmail.com>, Binutils <binutils@sourceware.org>
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To: "H.J. Lu" <hjl.tools@gmail.com>
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> On Mar 24, 2016, at 10:04 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
> 
> On Thu, Mar 24, 2016 at 9:56 AM, Cary Coutant <ccoutant@gmail.com> wrote:
>>> What you are proposing is to disallow copy relocation against
>>> protected symbol.  Am I correct?
>> 
>> Yes. That's what PR gold/19823 is about. I claim that GCC PR 55012
>> should have been resolved as "working as intended", and that your
>> patches for GCC PR 65248 should never have been applied (curiously, I
>> can't find any actual approval for the GCC patch). I'm sorry I missed
>> those conversations -- I would have raised bloody hell at the time.
>> I'm surprised that no one else did.
>> 
> 
> What relocation do you propose to access external protected
> symbol on x86 for non-PIC code?

Non-PIC code can still use a GOT, can't it?

-Joe