rust/src/test/ui/asm/naked-invalid-attr.rs

53 lines
1.0 KiB
Rust

// Checks that #[naked] attribute can be placed on function definitions only.
//
// ignore-wasm32 asm unsupported
// ignore-e2k64
#![feature(asm)]
#![feature(naked_functions)]
#![naked] //~ ERROR should be applied to a function definition
extern "C" {
#[naked] //~ ERROR should be applied to a function definition
fn f();
}
#[naked] //~ ERROR should be applied to a function definition
#[repr(C)]
struct S {
a: u32,
b: u32,
}
trait Invoke {
#[naked] //~ ERROR should be applied to a function definition
extern "C" fn invoke(&self);
}
impl Invoke for S {
#[naked]
extern "C" fn invoke(&self) {
unsafe { asm!("", options(noreturn)) }
}
}
#[naked]
extern "C" fn ok() {
unsafe { asm!("", options(noreturn)) }
}
impl S {
#[naked]
extern "C" fn g() {
unsafe { asm!("", options(noreturn)) }
}
#[naked]
extern "C" fn h(&self) {
unsafe { asm!("", options(noreturn)) }
}
}
fn main() {
#[naked] || {}; //~ ERROR should be applied to a function definition
}