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Re: Avoid privatization of TLS variables


> On Wed, Sep 24, 2014 at 6:58 PM, Jan Hubicka <hubicka@ucw.cz> wrote:
> >
> >    b:   00 00
> >                         9: R_X86_64_TPOFF32     __gcov_indirect_call_counters_ltopriv
> 
> Look at the .o file where __gcov_indirect_call_counters_ltopriv is
> defined.  That .o file must have the symbol marked as STT_TLS and it
> must be defined in a section with the SHF_TLS flag.  If that is not
> true, then that is your problem.

The variable is common, so all the object files define it same way as the
.o file I attached.  Note that the .o file links just fine when executed
out of LTO machinery.

Honza
> 
> Ian


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