Index: source/common/aarch64/asm.S
--- source/common/aarch64/asm.S.orig
+++ source/common/aarch64/asm.S
@@ -107,6 +107,7 @@ ELF     .hidden EXTERN_ASM\name
 ELF     .type   EXTERN_ASM\name, %function
 FUNC    .func   EXTERN_ASM\name
 EXTERN_ASM\name:
+        bti     c
 .else
 ELF     .hidden \name
 ELF     .type   \name, %function
