RFR: 8073139 PPC64: User-visible arch directory and os.arch value on ppc64le cause issues with Java tooling

[Alexander Smundak]

On Wed, Dec 2, 2015 at 1:38 PM, Andrew Hughes <gnu.andrew at redhat.com> wrote:
> snip...
>
>> The new revision does that:
>> http://cr.openjdk.java.net/~asmundak/8073139/hotspot/webrev.03
>> http://cr.openjdk.java.net/~asmundak/8073139/jdk/webrev.03
>> http://cr.openjdk.java.net/~asmundak/8073139/root/webrev.03/
>>
> This has grown a lot from my version.
I guess you are referring to the three additional files under hotspot/agent.

> The main change seems to be in having to handle a ppc64le define
> in numerous places, which seems unnecessary as ppc64 is present there.
> The version I'm looking at that we used in 8 deliberately avoids this
> by forcing ARCH back to ppc64 on ppc64le. Was there a reason not to do that?
I think fiddling with ARCH is fragile. IMHO it's easier to have ppc64le checked
explicitly in the agent.