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Re: secureplt breaks ld on Alpha Linux

From: Richard Henderson
Subject: Re: secureplt breaks ld on Alpha Linux
Date: Mon, 01 Sep 2014 11:00:00 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.7.0

On 09/01/2014 08:09 AM, Mikulas Patocka wrote:
> So, what exactly should be done? Can we hack ld so that if filename is 
> "libots.so", lazy binding for symbols in this library is turned off 
> automatically?

Not hack ld.so.

Modify the libots.so binary such that _OtsZero is STT_NOTYPE.  The linker will
not create a plt entry unless the symbol is STT_FUNC.

I see that most of the _Ots symbols are already NOTYPE.  I wonder if this is
intentional and _OtsZero just got forgotten, or if it's a happy oversight in
that they forgot to annotate them entirely.


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