Trait Vm

Source

pub trait Vm {
Show 20 methods    // Required methods
    fn get_register(&self, reg: usize) -> u64;
    fn set_register(&mut self, reg: usize, value: u64);
    fn get_pc(&self) -> usize;
    fn set_pc(&mut self, pc: usize);
    fn read_u8(&self, addr: u64) -> ExecutionResult<u8>;
    fn read_u16(&self, addr: u64) -> ExecutionResult<u16>;
    fn read_u32(&self, addr: u64) -> ExecutionResult<u32>;
    fn read_u64(&self, addr: u64) -> ExecutionResult<u64>;
    fn write_u8(&mut self, addr: u64, value: u8) -> ExecutionResult<()>;
    fn write_u16(&mut self, addr: u64, value: u16) -> ExecutionResult<()>;
    fn write_u32(&mut self, addr: u64, value: u32) -> ExecutionResult<()>;
    fn write_u64(&mut self, addr: u64, value: u64) -> ExecutionResult<()>;
    fn get_call_depth(&self) -> usize;
    fn max_call_depth(&self) -> usize;
    fn push_frame(
        &mut self,
        return_pc: usize,
        saved_registers: [u64; 4],
        saved_frame_pointer: u64,
    ) -> ExecutionResult<()>;
    fn pop_frame(&mut self) -> Option<(usize, [u64; 4], u64)>;
    fn halt(&mut self, exit_code: u64);
    fn get_stack_frame_size(&self) -> u64;
    fn handle_syscall(&mut self, name: &str) -> ExecutionResult<u64>;

    // Provided method
    fn advance_pc(&mut self) { ... }
}