James, from the caller perspective, a primitive looks just like a method, so the VM, when executing the primitive, finds the arguments on the stack. Look at any of the primitive implementations in the VM source and how arguments are retrieved. HTH, Michael P.S. Will there eventually be content on redline.st? ;-) Am 26.07.2010 um 00:52 schrieb James Ladd <james_ladd@hotmail.com>:

Hi All,

I'm looking at some low level details of Pharo Smalltalk and I am wondering, when I see a primitive in the bytecode, is it safe to assume that before the primitive is executed, the receiver and any args to the method are pushed onto the stack?

Rgs, James.

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