dynasm fun

main.rs

use dynasmrt::{dynasm, DynasmApi, x64::Rq::RAX, Register};

macro_rules! reg_to_mem {
    ($ops: expr, $reg: expr, $mem: expr) => {
        dbg!($ops);
        dynasm!($ops
            ; mov QWORD $mem, $reg
        );
    }
}

fn main() {
    let mut ops = dynasmrt::x64::Assembler::new().unwrap();


    dynasm!(ops
        ; mov QWORD [rbp + 8], rax
    );

    reg_to_mem!(ops, RAX.code(), [rbp + 8]);
    let buf = ops.finalize().unwrap();
}

zerror.txt

    Checking dynasm-mem v0.1.0 (/home/edd/research/dynasm-mem)
error[E0425]: cannot find value `ops` in this scope
  --> src/main.rs:6:17
   |
6  |         dynasm!($ops
   |                 ^^^^ not found in this scope
...
20 |     reg_to_mem!(ops, RAX.code(), [rbp + 8]);
   |     ---------------------------------------- in this macro invocation
   |
   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to previous error

For more information about this error, try `rustc --explain E0425`.
error: could not compile `dynasm-mem`.

To learn more, run the command again with --verbose.