On Wed, Dec 13, 2023 at 6:19 AM Florian Weimer via Gcc <gcc@gcc.gnu.org> wrote: > > I feel like I have asked this before. Currently, GCC uses calls to > __tls_get_addr to obtain the address of global-dynamic TLS variables. > On other architectures with support for GNU2 TLS descriptors, those are > used by default. > > Should we flip the default to GNU2 descriptors? Support has been > available in glibc for a long, long time. Is there any other reason for > not doing this? On the glibc side, the behavior regarding lazy > initialization and symbol binding does not change whether the old or new > interface is used.
Just FYI, the last time this was asked was 6 years ago but maybe things has changed since: https://inbox.sourceware.org/gcc-patches/came9rop_68qpdlz25poha1ewb6pgquvv_+h5bxgfhu05mh9...@mail.gmail.com/ Thanks, Andrew > > Thanks, > Florian >
