diff --git a/src/unix/linux_like/linux/gnu/b64/aarch64/mod.rs b/src/unix/linux_like/linux/gnu/b64/aarch64/mod.rs
index b620cc03f9760..63df074434084 100644
--- a/src/unix/linux_like/linux/gnu/b64/aarch64/mod.rs
+++ b/src/unix/linux_like/linux/gnu/b64/aarch64/mod.rs
@@ -903,6 +903,10 @@ extern "C" {
         newp: *mut ::c_void,
         newlen: ::size_t,
     ) -> ::c_int;
+    pub fn getcontext(ucp: *mut ucontext_t) -> ::c_int;
+    pub fn setcontext(ucp: *const ucontext_t) -> ::c_int;
+    pub fn makecontext(ucp: *mut ucontext_t, func: extern "C" fn(), argc: ::c_int, ...);
+    pub fn swapcontext(uocp: *mut ucontext_t, ucp: *const ucontext_t) -> ::c_int;
 }
 
 cfg_if! {