AARCH64: 8064611: Changes to HotSpot shared code

[Andrew Haley]

TVM for the review.  I'm working my way through all the comments.

On 11/14/2014 03:10 AM, Vladimir Kozlov wrote:
> I think you need to add new platforms specific flag CodeCacheSizeLimit 
> and use it instead of our hard-coded 2Gb (maxint).

I'm trying to understand the right way to do this.  Surely it must be
possible to define a flag and set its default value in one place and
override it in the platform files, but I can't find any example which
does this.  Do we really have to change all platforms?

Andrew.