On Mar 2, 2006, at 1:08 PM, Seth Willits wrote:
On Mar 2, 2006, at 6:29 AM, Jonathan Johnson wrote:
You can, but you also must pass the floating-point values in the GPR
registers also. That means that the 4-byte representation of a single
must be passed as an Integer in the declare. E.g:
dim mb as new MemoryBlock(4)
mb.SingleValue(0) = 72.9
CallSomeFunction mb.Long(0)
This is a behavior of the PowerPC ABI.
Yeah... I really don't get that. :)
I'd say that maybe one day I'll read a PPC assembly book, but what's
the point? :p
All you need to read is the PowerPC calling conventions documentation
at developer.apple.com; that's what I did.
--------------
Charles Yeomans
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