count.ir

map $count array 4 8 1

func $main MIT
  %key = alloc
  store [%key] 0
  %map = map $count
  %aa = call map_lookup_elem %map %key
  eq %aa 0 :exit
:doit
  xadd [%aa] 1
:exit
  ret 0
end

attach $main kprobe __x64_sys_write