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// Checks that the #[unsafe(naked)] attribute can be placed on function definitions only.
//
//@ needs-asm-support
#![unsafe(naked)] //~ ERROR should be applied to a function definition
use std::arch::naked_asm;
extern "C" {
#[unsafe(naked)] //~ ERROR should be applied to a function definition
fn f();
}
#[unsafe(naked)] //~ ERROR should be applied to a function definition
#[repr(C)]
struct S {
#[unsafe(naked)] //~ ERROR should be applied to a function definition
a: u32,
b: u32,
}
trait Invoke {
#[unsafe(naked)] //~ ERROR should be applied to a function definition
extern "C" fn invoke(&self);
}
impl Invoke for S {
#[unsafe(naked)]
extern "C" fn invoke(&self) {
naked_asm!("")
}
}
#[unsafe(naked)]
extern "C" fn ok() {
naked_asm!("")
}
impl S {
#[unsafe(naked)]
extern "C" fn g() {
naked_asm!("")
}
#[unsafe(naked)]
extern "C" fn h(&self) {
naked_asm!("")
}
}
fn main() {
#[unsafe(naked)] //~ ERROR should be applied to a function definition
|| {};
}
// Check that the path of an attribute without a name is printed correctly (issue #140082)
#[::a]
//~^ ERROR attribute incompatible with `#[unsafe(naked)]`
//~| ERROR failed to resolve: use of unresolved module or unlinked crate `a`
#[unsafe(naked)]
extern "C" fn issue_140082() {
naked_asm!("")
}
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