[csl-sol210-branch] Tweak frame pointer defaults for Solaris 10 / x86

[Mark Mitchell]

Rainer Orth wrote:

>Daniel Jacobowitz <drow@false.org> writes:
>
>  
>
>>For Solaris 10, the default should be to not omit the frame pointer - even
>>on 64-bit.  In compensation, we can omit it for leaf functions by default,
>>just not for previous functions.  I assume that some Solaris library
>>functionality relies on this behavior.
>>    
>>
>
>It would be good to get confirmation from Sun about this and add a comment
>explaining what's going on to sol2-10.h.
>
We can't name the customer that is paying for Daniel's work, but I think 
it's fair to say that what we're doing is directly in accordance with 
Sun's technical specification -- which is not to say that we know 
exactly *why* the specification says what it does. :-(

-- 
Mark Mitchell
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mark@codesourcery.com