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//@ add-core-stubs
//@ revisions: aarch64 x86_64
//@ [aarch64] compile-flags: --target aarch64-unknown-none
//@ [aarch64] needs-llvm-components: aarch64
//@ [x86_64] compile-flags: --target x86_64-unknown-none
//@ [x86_64] needs-llvm-components: x86
//@ compile-flags: -Ctarget-feature=-crt-static -Zsanitizer=kcfi -Cno-prepopulate-passes -Copt-level=0
#![feature(no_core, lang_items)]
#![crate_type = "lib"]
#![no_core]
extern crate minicore;
use minicore::*;
struct Thing;
trait MyTrait {
#[unsafe(naked)]
extern "C" fn my_naked_function() {
// the real function is defined
// CHECK: .globl
// CHECK-SAME: my_naked_function
naked_asm!("ret")
}
}
impl MyTrait for Thing {}
// the shim calls the real function
// CHECK-LABEL: define
// CHECK-SAME: my_naked_function
// CHECK-SAME: reify.shim.fnptr
// CHECK-LABEL: main
#[unsafe(no_mangle)]
pub fn main() {
// Trick the compiler into generating an indirect call.
const F: extern "C" fn() = Thing::my_naked_function;
// main calls the shim function
// CHECK: call void
// CHECK-SAME: my_naked_function
// CHECK-SAME: reify.shim.fnptr
(F)();
}
// CHECK: declare !kcfi_type
// CHECK-SAME: my_naked_function
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