[PATCH] Limited export of dynamic syms (elf32)

[Andreas Jaeger]

Eirik Byrkjeflot Anonsen <eirik@opera.com> writes:

> "H . J . Lu" wrote:
> > 
>> On Fri, Aug 17, 2001 at 08:26:57AM +0200, Eirik Byrkjeflot Anonsen wrote:
>> > I implemented it because I could not figure out how to avoid
>> > exporting all symbols from an executable with binutils
>> > 2.9.5.0.37 (debian stable).  I can maintain that version
>> > internally in Opera until we all got working symbol versioning
>> > (with executables) on all platforms.
>> >
>> > Incidentally, I'm not sure that it is obvious that symbol versioning
>> > actually can be used to "unexport" symbols.  I overlooked it completely
>> 
>> I think you may use symbol versioning to "unexport" symbols on all ELF
>> targets even if ld.so on those targets don't support symbol versioning.
>> But I never tried it.
>> 
>> H.J.
>
>
> I've tested it on a shared library with ld 2.9.5, and the symbols bound

As HJ mentioned in an earlier message:
} Yes, symbol versioning works on executables. But you have to get
} binutils from CVS or use my Linux binutils. It is in binutils
} 2.11.90.0.19 or above.

Please try a newer version of binutils if you look at at the
executables part also.  

Andreas
-- 
 Andreas Jaeger
  SuSE Labs aj@suse.de
   private aj@arthur.inka.de
    http://www.suse.de/~aj