mirror of https://github.com/rust-lang/rust
49 lines
1.3 KiB
Rust
49 lines
1.3 KiB
Rust
//@ needs-asm-support
|
|
#![feature(naked_functions)]
|
|
#![feature(fn_align)]
|
|
#![crate_type = "lib"]
|
|
use std::arch::asm;
|
|
|
|
#[repr(C)]
|
|
//~^ ERROR attribute should be applied to a struct, enum, or union [E0517]
|
|
#[naked]
|
|
extern "C" fn example1() {
|
|
//~^ NOTE not a struct, enum, or union
|
|
unsafe { asm!("", options(noreturn)) }
|
|
}
|
|
|
|
#[repr(transparent)]
|
|
//~^ ERROR attribute should be applied to a struct, enum, or union [E0517]
|
|
#[naked]
|
|
extern "C" fn example2() {
|
|
//~^ NOTE not a struct, enum, or union
|
|
unsafe { asm!("", options(noreturn)) }
|
|
}
|
|
|
|
#[repr(align(16), C)]
|
|
//~^ ERROR attribute should be applied to a struct, enum, or union [E0517]
|
|
#[naked]
|
|
extern "C" fn example3() {
|
|
//~^ NOTE not a struct, enum, or union
|
|
unsafe { asm!("", options(noreturn)) }
|
|
}
|
|
|
|
// note: two errors because of packed and C
|
|
#[repr(C, packed)]
|
|
//~^ ERROR attribute should be applied to a struct or union [E0517]
|
|
//~| ERROR attribute should be applied to a struct, enum, or union [E0517]
|
|
#[naked]
|
|
extern "C" fn example4() {
|
|
//~^ NOTE not a struct, enum, or union
|
|
//~| NOTE not a struct or union
|
|
unsafe { asm!("", options(noreturn)) }
|
|
}
|
|
|
|
#[repr(u8)]
|
|
//~^ ERROR attribute should be applied to an enum [E0517]
|
|
#[naked]
|
|
extern "C" fn example5() {
|
|
//~^ NOTE not an enum
|
|
unsafe { asm!("", options(noreturn)) }
|
|
}
|