[PATCH] Mark __start/__stop symbols as PROTECTED in shared object

[Alan Modra]

On Mon, Aug 14, 2017 at 05:10:02PM -0700, H.J. Lu wrote:
> On Mon, Aug 14, 2017 at 4:53 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
> > When building shared objects, mark __start and __stop symbols as
> > PROTECTED and bind them as symbolic to support dlsym.  Also override
> > __start, __stop, .startof.  and .sizeof. symbols defined in a shared
> > object.
> >
> > OK for master?
> >
> > bfd/
> >
> > PR ld/21964
> > * elf-bfd.h (SYMBOLIC_BIND): TRUE for __start/__stop symbols.
> > * elflink.c (bfd_elf_define_start_stop): Override symbol defined
> > in a shared object.  Mark __start/__stop symbols as PROTECTED in
> > shared objects.
> >
> 
> No need to mark them as protected when bind them symbolic.

I think you should be making these symbols protected visibility.

-- 
Alan Modra
Australia Development Lab, IBM