/// Hook into .init_array to enable LSE atomic operations at startup, if /// supported. #[cfg(all(target_arch = "aarch64", target_os = "linux", not(feature = "compiler-builtins-c")))] #[used] #[unsafe(link_section = ".init_array.90")] static RUST_LSE_INIT: extern "C" fn() = { extern "C" fn init_lse() { use crate::arch; // This is provided by compiler-builtins::aarch64_linux. unsafe extern "C" { fn __rust_enable_lse(); } if arch::is_aarch64_feature_detected!("lse") { unsafe { __rust_enable_lse(); } } } init_lse };