Re: LLVM--Low Level Virtual Machine--and Ada

[Duncan Sands <baldrick@free.fr>]

Hi Randy,

> > how do these thunks work?
> 
> Generally, the compiler passes the address of the thunk to wherever it is
> needed, and it is called indirectly. The thunks themselves adjust the
> parameters as needed and call the real routine.

presumably pointers to nested functions are "fat pointers" containing
both the identity of the nested function (equivalently, the identity of
a "thunk" that knows about the nested function) and also some kind of
pointer into the stack of the parent of the nested function.  Is that
right?

Thanks,

Duncan.