s390x port progress: patch queue for hotspot assembled.

[Lindenmaier, Goetz]

Hi,

I resend this as the s390x-port-dev address was wrong.

Best regards, Goetz.

> Hi Java and s390x fans!
> 
> I want to report about the progress in the s390x port project
>
> I have been working internally on the port of hotspot.
> I arranged a preliminary patch queue that adds all required
> hotspot  to build openJdk hotspot from our internal s390x port.
> As expected, the amount of shared changes required is very low.
> 
> I need the following 9 changes, annotated with the known T-shirt sizes:
> 
> L: All the required includes of s390x files in shared files and all places
>     where the string s390x is needed.
> M: A row of S390_ONLY() macros in shared code, e.g. C1 requires some
>       of them.
> 6xS: Six 'X' size changes are currently needed that add a new field to a
>     shared datastructure or an argument to a method.
> 
> XL: The s390x and linux_s390x files.
> 
> TODOs:
> 
> -          I probably need to do some fixes in hotspot, and adapt some
>            functionality as our internal port is at jdk9 b107.
> -          Get the jdk build working.
> -          Run tests and fix issues.
> 
> Best regards,
> Goetz.