mijit 0.2.4

Experimental JIT compiler generator
Documentation 
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/// Beetle's registers.
#[repr(C)]
#[derive(Default)]
pub struct Registers {
    pub ep: u32,
    pub i: u32,
    pub a: u32,
    pub sp: u32,
    pub rp: u32,
}

impl std::fmt::Debug for Registers {
    fn fmt(&self, f: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
        f.debug_struct("Registers")
            .field("ep", &format!("{:#x}", self.ep))
            .field("i", &format!("{:#x}", self.i))
            .field("a", &format!("{:#x}", self.a))
            .field("sp", &format!("{:#x}", self.sp))
            .field("rp", &format!("{:#x}", self.rp))
            .finish()
    }
}

// Beetle's memory pointer and registers.
#[repr(C)]
#[derive(Debug)]
pub struct M0Registers {
    pub m0: *mut u32,
    pub registers: Registers,
}

impl std::ops::Deref for M0Registers {
    type Target = Registers;
    fn deref(&self) -> &Self::Target { &self.registers }
}

impl std::ops::DerefMut for M0Registers {
    fn deref_mut(&mut self) -> &mut Self::Target { &mut self.registers }
}