use crate::host_context::HostContext;
use crate::host_return::HostReturn;
use crate::vm_fault::VmFault;
use prometeu_bytecode::Value;

pub type SyscallId = u32;

pub trait NativeInterface {
    /// Dispatches a syscall from the Virtual Machine to the native implementation.
    ///
    /// ABI Rule: Arguments for the syscall are passed in `args`.
    ///
    /// Returns are written via `ret`.
    fn syscall(
        &mut self,
        id: SyscallId,
        args: &[Value],
        ret: &mut HostReturn,
        ctx: &mut HostContext,
    ) -> Result<(), VmFault>;
}