arbitrary addr

src/backend/link.rs

@@ -1,11 +1,11 @@
-use crate::backend::{Addr, elf};
+use crate::backend::elf;
 
-pub struct LinkedProgram {
+pub struct LinkedProgram<Addr> {
     pub code: Vec<u8>,
     pub entry: Option<Addr>,
 }
 
-impl LinkedProgram {
+impl LinkedProgram<u64> {
     pub fn to_elf(&self) -> Vec<u8> {
         elf::create(&self.code, self.entry.expect("no start"))
     }