RFR (S): 8149689: [JVMCI] CodeInstaller::pd_patch_DataSectionReference should be able to throw exceptions

[Christian Thalinger]

> On Feb 11, 2016, at 10:48 AM, Vladimir Kozlov <vladimir.kozlov at oracle.com> wrote:
> 
> So what is the fix for if this method can't throw exceptions?
> There is no explanation what is going on and what the problem you have.

Oh, sorry, it’s in the review thread of 8149415.  I broke open AArch64 builds because I made it throw an exception:

http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/b038c3bea5a4#l1.61 <http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/b038c3bea5a4#l1.61>

We should be able to throw exceptions in all these methods because we don’t want JVMCI to bring down the whole VM if something goes wrong during code installation.

> 
> Thanks,
> Vladimir
> 
> On 2/11/16 9:56 AM, Christian Thalinger wrote:
>> https://bugs.openjdk.java.net/browse/JDK-8149689
>> http://cr.openjdk.java.net/~twisti/8149689/webrev.01/
>> 
>> All the other CodeInstaller::pd_patch_* methods can throw exceptions except this one.  This fixes the AArch64 issue I introduced with 8149415.
>> 

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