.define .gto .text !r0 contains descriptor addres .gto: addr 0(sp), r7 !first put future localbase in sp subd 8(r0), r7 subd 4, r7 adjspd r7 !done movd -4(sp), r1 !save this memory location enter[], 0 !adjust local base movd r1, 0(sp) !restore saved memory location addr 0(sp), r7 !adjust stackpointer now subd 4(r0), r7 adjspd r7 jump r0 !adjust programcounter