#[naked]

Documentation

This crate provide a proc macro version of the #[naked] attribute which can be used on stable Rust.

Example

// The SYSV64 calling convention used on x86_64 Linux passes the first
// 2 integer arguments in EDI/ESI.
#[naked_function::naked]
pub unsafe extern "C" fn add(a: i32, b: i32) -> i32 {
    asm!(
        "lea eax, [edi + esi]",
        "ret",
    );
}

#[test]
fn main() {
    let ret = unsafe { add(1, 2) };
    assert_eq!(ret, 3);
}

License

Licensed under either of:

• Apache License, Version 2.0, (LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or https://opensource.org/licenses/MIT)

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

lib.rs:

Implementation of the proc macro used by the naked-function crate.

Don't use this crate directly, use the naked-function crate instead.