All good points. > C ABI only appears to be simple in OSes that happen to be written in C. I'd say that C is the only language that (mostly accidentally and n

All good points. > C ABI only appears to be simple in OSes that happen to be written in C. I'd say that C is the only language that (mostly accidentally and non-standard, for the reasons you state) provides a simple a (relatively) stable ABI.