[foreign] RFR 8225034: java/foreign/LongDoubleTest.java fails on Mac OS

[Sundararajan Athijegannathan]

With your patch, all tests run fine on Mac OS.

-Sundar

On 30/05/19, 5:58 PM, Jorn Vernee wrote:
> Hi,
>
> After strengthening the access checking for Pointer::addr(), the 
> LongDoubleTest is failing. The problem is that UniversalUpcallHandler 
> creates a READ only pointer, which References::OfLongDouble then tries 
> to unbox using addr(), but this requires READ_WRITE access.
>
> To solve this I'm letting References::OfLongDouble do manual access 
> checking for read/write only and use an unchecked version of addr(), 
> which is then used to get/set the value. LongDoubleTest is disabled on 
> Windows, so I've also added a LongDoubleBinderTest that just tests the 
> binder part on all platforms.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8225034
> Webrev: 
> http://cr.openjdk.java.net/~jvernee/panama/webrevs/8225034/webrev.00/
>
> This also fixes a minor hickup which prevents compilation in 
> AArch64ABI, which still expected the old signature of addr().
>
> Thanks,
> Jorn