Proposal Details I propose the addition of a new GOOS target, such as GOOS=none, to allow Go runtime execution under specific application defined exit functions, rather than arbitrary OS syscalls, enabling freestanding execution without direct OS support. This is currently implemented in the GOOS=tamago project, but for reasons laid out in the Proposal Background section it is proposed for upstream inclusion. Go applications built with GOOS=none would run on bare metal, without any underlying OS...