Access class fields from asm

[Deewiant]

Carl Volhard wrote:
> Hello and thanks so far.
> 
> The first version with the offset does not work. I got the same compile errors.
> The second version works. But I don't understand why I have to add 8 Bytes to the address? What information fills the first 2 words?
> 

This looks like a bug to me, as 8 is the offsetof of the field. You should file
it in the 'Zilla.

You should be able to find information on class structure at abi.html in the
documentation.