PR 18167, Relax PR 15228 protected visibility restriction
Pedro Alves
palves@redhat.com
Fri Mar 27 16:43:00 GMT 2015
On 03/27/2015 04:40 PM, H.J. Lu wrote:
> On Fri, Mar 27, 2015 at 9:38 AM, Pedro Alves <palves@redhat.com> wrote:
>> Urgh. The glibc issue sounds the most alarming. If we can't keep
>> back compatibility, isn't there a new bit/attribute we can put
>> somewhere to tag new binaries with protected symbols in a
>> way that existing systems just error out when loading them?
>
>
> There is no backward compatibility to speak with since protected
> data symbol never worked before.
OK, but when it's all fixed, programs and libraries will start
using the feature. It'd be best if such programs/libraries just
failed to load in older systems, than crash or corrupt data at random.
Thanks,
Pedro Alves
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