mirror of https://github.com/rust-lang/rust
53 lines
1023 B
Rust
53 lines
1023 B
Rust
// Checks that #[naked] attribute can be placed on function definitions only.
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//
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//@ needs-asm-support
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#![feature(naked_functions)]
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#![naked] //~ ERROR should be applied to a function definition
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use std::arch::asm;
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extern "C" {
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#[naked] //~ ERROR should be applied to a function definition
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fn f();
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}
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#[naked] //~ ERROR should be applied to a function definition
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#[repr(C)]
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struct S {
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a: u32,
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b: u32,
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}
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trait Invoke {
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#[naked] //~ ERROR should be applied to a function definition
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extern "C" fn invoke(&self);
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}
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impl Invoke for S {
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#[naked]
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extern "C" fn invoke(&self) {
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unsafe { asm!("", options(noreturn)) }
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}
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}
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#[naked]
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extern "C" fn ok() {
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unsafe { asm!("", options(noreturn)) }
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}
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impl S {
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#[naked]
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extern "C" fn g() {
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unsafe { asm!("", options(noreturn)) }
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}
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#[naked]
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extern "C" fn h(&self) {
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unsafe { asm!("", options(noreturn)) }
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}
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}
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fn main() {
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#[naked] || {}; //~ ERROR should be applied to a function definition
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}
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