108 lines
2.5 KiB
Rust
108 lines
2.5 KiB
Rust
//@ revisions: x86_64 aarch64
|
|
//@ needs-asm-support
|
|
//@[x86_64] only-x86_64
|
|
//@[aarch64] only-aarch64
|
|
#![deny(unused)]
|
|
#![feature(naked_functions)]
|
|
#![crate_type = "lib"]
|
|
|
|
pub trait Trait {
|
|
extern "C" fn trait_associated(a: usize, b: usize) -> usize;
|
|
extern "C" fn trait_method(&self, a: usize, b: usize) -> usize;
|
|
}
|
|
|
|
pub mod normal {
|
|
use std::arch::asm;
|
|
|
|
pub extern "C" fn function(a: usize, b: usize) -> usize {
|
|
//~^ ERROR unused variable: `a`
|
|
//~| ERROR unused variable: `b`
|
|
unsafe {
|
|
asm!("", options(noreturn));
|
|
}
|
|
}
|
|
|
|
pub struct Normal;
|
|
|
|
impl Normal {
|
|
pub extern "C" fn associated(a: usize, b: usize) -> usize {
|
|
//~^ ERROR unused variable: `a`
|
|
//~| ERROR unused variable: `b`
|
|
unsafe {
|
|
asm!("", options(noreturn));
|
|
}
|
|
}
|
|
|
|
pub extern "C" fn method(&self, a: usize, b: usize) -> usize {
|
|
//~^ ERROR unused variable: `a`
|
|
//~| ERROR unused variable: `b`
|
|
unsafe {
|
|
asm!("", options(noreturn));
|
|
}
|
|
}
|
|
}
|
|
|
|
impl super::Trait for Normal {
|
|
extern "C" fn trait_associated(a: usize, b: usize) -> usize {
|
|
//~^ ERROR unused variable: `a`
|
|
//~| ERROR unused variable: `b`
|
|
unsafe {
|
|
asm!("", options(noreturn));
|
|
}
|
|
}
|
|
|
|
extern "C" fn trait_method(&self, a: usize, b: usize) -> usize {
|
|
//~^ ERROR unused variable: `a`
|
|
//~| ERROR unused variable: `b`
|
|
unsafe {
|
|
asm!("", options(noreturn));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
pub mod naked {
|
|
use std::arch::naked_asm;
|
|
|
|
#[naked]
|
|
pub extern "C" fn function(a: usize, b: usize) -> usize {
|
|
unsafe {
|
|
naked_asm!("");
|
|
}
|
|
}
|
|
|
|
pub struct Naked;
|
|
|
|
impl Naked {
|
|
#[naked]
|
|
pub extern "C" fn associated(a: usize, b: usize) -> usize {
|
|
unsafe {
|
|
naked_asm!("");
|
|
}
|
|
}
|
|
|
|
#[naked]
|
|
pub extern "C" fn method(&self, a: usize, b: usize) -> usize {
|
|
unsafe {
|
|
naked_asm!("");
|
|
}
|
|
}
|
|
}
|
|
|
|
impl super::Trait for Naked {
|
|
#[naked]
|
|
extern "C" fn trait_associated(a: usize, b: usize) -> usize {
|
|
unsafe {
|
|
naked_asm!("");
|
|
}
|
|
}
|
|
|
|
#[naked]
|
|
extern "C" fn trait_method(&self, a: usize, b: usize) -> usize {
|
|
unsafe {
|
|
naked_asm!("");
|
|
}
|
|
}
|
|
}
|
|
}
|