endian little
family arm
armv2
armv2a
armv3
armv3m
armv4
armv5
armv5e
armv5te
armv6
armv6j
armv6t2
armv6z
armv6zk
armv6-m
armv7
armv7-a
armv7-r
armv7-m
iwmmxt
iwmmxt2
ep9312
strongarm -> armv4
xscale -> armv5te
cortex-a8 -> armv7-a
cortex-a9 -> armv7-a
neon:armv7-a