RFR: AArch64: Remove uses of long and unsigned long ints

[Andrew Haley]

All of the uses of long and unsigned long int should be replaced with
more appropriate types. Where signed and unsigned 64-bit integers are
required, use int64_t. Where pointers are required, use
intptr_t. Where Java longs are required, use jlong.

http://cr.openjdk.java.net/~aph/8248414/

-- 
Andrew Haley  (he/him)
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
https://keybase.io/andrewhaley
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