stdlib/atexit.s

   1         .text
   2         .p2align 4,,15
   3         .globl  atexit
   4         .hidden atexit
   5         .type   atexit, @function
   6 atexit:
   7         movq    __dso_handle(%rip), %rdx
   8         xorl    %esi, %esi
   9         jmp     __cxa_atexit
  10         .size   atexit, .-atexit
  11         .hidden __cxa_atexit
  12         .hidden __dso_handle