host-to-guest function registration

write

NativeFunctionRegistry -> GuestExecutionEnvironment

Register native C-style function pointers with signatures into the virtual machine's symbol table to expose host APIs to the guest environment.

Problem it solves

Guest bytecode execution is sandboxed and cannot access host system capabilities or hardware directly.

Consumes

NativeFunctionRegistry

Emits

GuestExecutionEnvironment

Distilled from 1 source

The real projects this mechanism was found in. Attribution is the point — this is how the best teams actually do it.