.global var
.section .tdata
var:
.word 2
.text
adrp x0, :tlsdesc:var
ldr x17, [x0, #:tlsdesc_lo12:var]
add x0, x0, :tlsdesc_lo12:var
.tlsdesccall var
blr x1
mrs x1, tpidr_el0
add x0, x1, x0
ldr w0, [x0]