Relationship of aarch32-port to jdk8u

[Simon Nash]

If I build the current source in aarch32-port, what level of jdk8u
am I getting?  I presume this is a snapshot from some point in the past
but I'm not sure how to find out how long ago the snapshot was taken.

Is there (or might there be in the future) a mechanism for aarch32-port
to track and merge changes applied to jdk8u?

If I wanted to build (for example) an aarch32 C1 version of jdk8u101-b13,
would it possible/practical for me to put together the correct combination
of source files needed to do this?

Many thanks,
Simon