1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
use std::io::{Read, Write};

#[derive(Clone, Debug, Hash, PartialEq, Eq)]
pub enum Address {
    Abs(u128),
    Disp(i64),
    Symbol { name: String, disp: i64 },
    PltSym { name: String },
}

pub trait InsnRead: Read {
    fn read_addr(&mut self, size: usize, rel: bool) -> std::io::Result<Address>;
}

impl<R: InsnRead> InsnRead for &mut R {
    fn read_addr(&mut self, size: usize, rel: bool) -> std::io::Result<Address> {
        <R as InsnRead>::read_addr(self, size, rel)
    }
}

pub trait InsnWrite: Write {
    fn write_addr(&mut self, size: usize, addr: Address, rel: bool) -> std::io::Result<()>;
    fn offset(&self) -> usize;
}

impl<W: InsnWrite> InsnWrite for &mut W {
    fn write_addr(&mut self, size: usize, addr: Address, rel: bool) -> std::io::Result<()> {
        <W as InsnWrite>::write_addr(self, size, addr, rel)
    }
    fn offset(&self) -> usize {
        <W as InsnWrite>::offset(self)
    }
}