Getting tls symbols out of the compiler.

[Johannes Pfau]

Am Fri, 31 May 2013 09:42:10 +0200
schrieb Jacob Carlborg <doob at me.com>:

> On 2013-05-30 12:13, Johannes Pfau wrote:
> 
> > AFAIK he also changed how TLS sections are looked up for the main
> > executable. _tlsstart and _tlsend are not used anymore. Instead some
> > mainly undocumented obscure glibc interface is used to ask the
> > runtime linker for the start and end of the TLS section.
> 
> He uses "dl_iterate_phdr" to iterate all shared libraries. Then
> iterates all segments/sections to find the ones used for TLS.
> 
> Documented here, no secrets :)
> 
> http://linux.die.net/man/3/dl_iterate_phdr
> 

OK, then I was wrong about that :-)