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THUMB
AREA |.text|, CODE, READONLY
GLOBAL |rust_psm_stack_direction|
ALIGN 4
|rust_psm_stack_direction| PROC
movs r0, #2
bx lr
ENDP
GLOBAL |rust_psm_stack_pointer|
ALIGN 4
|rust_psm_stack_pointer| PROC
mov r0, sp
bx lr
ENDP
GLOBAL |rust_psm_replace_stack|
ALIGN 4
|rust_psm_replace_stack| PROC
mov sp, r2
bx r1
ENDP
GLOBAL |rust_psm_on_stack|
ALIGN 4
|rust_psm_on_stack| PROC
push {r4, lr}
mov r4, sp
mov sp, r3
blx r2
mov sp, r4
pop {r4, pc}
ENDP
END