On Mon, 26 Oct 2009 01:59:14 -0700, Gabe Black <[email protected]>
wrote:
> Ali Saidi wrote:
>> I believe that the rules are as follows (from some google searches,  
>> but I couldn't find a definitive list):
>> 64 bit arch/app -- Do nothing special
>> 32 bit arch/app -- 64 bit values are aligned evenly with the exception  
>> of x86 and ARM OABI (which we don't support and don't intend to).
>>   
> 
> So what do we have that fits into the 2nd category? There's 32 bit SPARC
> and ARM, but what else? I'll take care of those too.

MIPS

> 
>> Assuming that is the case, all of the other OSes should have something  
>> like the following. If we support two endians for a given architecture  
>> (which we don't at the moment) the stitching together will have have  
>> to take that into account.
>>
>> For some reason I feel that the getSyscallArg should be templated on  
>> the size. Either machine bytes (actually something similar), or 64bits  
>> (if the argument is always 64 bits).
>>   
> 
> I can see where you're coming from, but I don't think it'd end up being
> as clean syntactically. You're welcome to prove me wrong of course.

Yea. I don't know. It seems likely that someone will forget to use the
third parameter in a case where they should.

Ali
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