[dtrace-discuss] x64 SSE registers (xmm)

[Adam Leventhal]

Hi Chris,

Those registers aren't currently exported in any form (and note that DTrace
does not have support for floating-point data). Feel free to file an RFE.

Adam

On Mon, Jul 02, 2007 at 01:39:10PM -0700, Chris Kiick wrote:
> Hi,
>     How do I examine what is in the %xmm registers on an x86 system? If a function
> uses a double or float as an argument, it is not stored in the args array, instead it is passed
> in the xmm registers.  The uregs[] array doesn't have them either. Can't find anything in the
> docs.  What gives?
> 
> --
> Chris J. Kiick
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> This message posted from opensolaris.org
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-- 
Adam Leventhal, Solaris Kernel Development       http://blogs.sun.com/ahl