glibc on kfreebsd-amd64 (was: Re: segfaults on amd64, one more update)

[Petr Salinger]

> I'm not well-versed on this, so I'd say that you do as you see more fit (as long
> as you don't need to change kernel ABI of course).

We already have different startup, ABI is still only draft, and just 
committed interface (via %rdi, %rsi) is equal to standard C calling 
interface for "void _start(void *arg, void *rtld_fini());" 

This interface will work with stock FreeBSD kernel.

Petr