Index: modcargo-crates/psm-0.1.26/src/arch/aarch64_armasm.asm
--- modcargo-crates/psm-0.1.26/src/arch/aarch64_armasm.asm.orig
+++ modcargo-crates/psm-0.1.26/src/arch/aarch64_armasm.asm
@@ -3,6 +3,7 @@
     GLOBAL |rust_psm_stack_direction|
     ALIGN 4
 |rust_psm_stack_direction| PROC
+    bti c
     orr w0, wzr, #2
     ret
     ENDP
@@ -11,6 +12,7 @@
     GLOBAL |rust_psm_stack_pointer|
     ALIGN 4
 |rust_psm_stack_pointer| PROC
+    bti c
     mov x0, sp
     ret
     ENDP
@@ -19,6 +21,7 @@
     GLOBAL |rust_psm_replace_stack|
     ALIGN 4
 |rust_psm_replace_stack| PROC
+    bti c
     mov sp, x2
     br x1
     ENDP
@@ -26,6 +29,7 @@
     GLOBAL |rust_psm_on_stack|
     ALIGN 4
 |rust_psm_on_stack| PROC
+    bti c
     stp x29, x30, [sp, #-16]!
     mov x29, sp
     mov sp, x3
