[PATCH 1/5] Use protected visibility for _rtld_global and _rtld_global_ro

[Mike Frysinger]

On Monday 13 May 2013 13:48:24 Peter Collingbourne wrote:
> On Mon, May 13, 2013 at 6:31 PM, Richard Henderson <rth@twiddle.net> wrote:
> > On 05/13/2013 08:36 AM, Peter Collingbourne wrote:
> >> _rtld_local was created back in 2002 (see commit 0d01dac), and the
> >> protected attribute removed on _rtld_global, for an undocumented
> >> reason...
> > 
> > Protected visibility requires more runtime overhead in the dynamic
> > linker.
> 
> Ah.  Now that I've read Ian's article (properly) I see what the issue is.
> I'll try a few things and also see if this can be dealt with on the LLVM
> side.

post a patch to add a comment as to why things are the way they are ? :)
-mike
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