Fix gdb 8.1 Solaris/SPARC compilation (PR build/22206)

[Rainer Orth]

Hi Pedro,

> On 09/26/2017 10:33 AM, Rainer Orth wrote:
>
>> Apart from the capitalization differences that trip g++, the names
>> differ (PSR_VER vs. PSR_VERS), PSR_XCC is included in Solaris' PSR_RSV,
>> and there's no PSR_V8PLUS on Solaris either.
>
> What you've done is fine with me to unbreak the build.  Though
> I'd prefer if we renamed those to avoid ever relying on host
> symbols, anywhere.  Like:
>
>  - #define PSR_S ...
>  + #define SPARC64_PSR_S ...
>
> etc.

agreed.  That's probably best done when figuring out how to properly
separate target-dependent and independent parts of ADI support.

	Rainer

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Rainer Orth, Center for Biotechnology, Bielefeld University