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//@ revisions: x86_64 aarch64
//@ needs-asm-support
//@[x86_64] only-x86_64
//@[aarch64] only-aarch64
#![deny(unused)]
#![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;
#[unsafe(naked)]
pub extern "C" fn function(a: usize, b: usize) -> usize {
naked_asm!("")
}
pub struct Naked;
impl Naked {
#[unsafe(naked)]
pub extern "C" fn associated(a: usize, b: usize) -> usize {
naked_asm!("")
}
#[unsafe(naked)]
pub extern "C" fn method(&self, a: usize, b: usize) -> usize {
naked_asm!("")
}
}
impl super::Trait for Naked {
#[unsafe(naked)]
extern "C" fn trait_associated(a: usize, b: usize) -> usize {
naked_asm!("")
}
#[unsafe(naked)]
extern "C" fn trait_method(&self, a: usize, b: usize) -> usize {
naked_asm!("")
}
}
}
|
