On Mon, Mar 08, 2021 at 07:26:36PM -0800, Joelle van Dyne wrote: > iOS does not support ucontext natively for aarch64 and the sigaltstack is > also unsupported (even worse, it fails silently, see: > https://openradar.appspot.com/13002712 ) > > As a workaround we include a library implementation of ucontext and add it > as a build option.
The README here: https://github.com/kaniini/libucontext indicates that it is intentionally limiting what registers it saves and restores, explicitly excluding FPU. Peter & Paolo expressed concern about this, indicating FPU reg support was a requirement for QEMU: https://lists.gnu.org/archive/html/qemu-devel/2021-01/msg05525.html Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
