1.global __vfork 2.weak vfork 3.type __vfork,@function 4.type vfork,@function 5__vfork: 6vfork: 7 pop %edx 8 mov $190,%eax 9 int $128 10 push %edx 11 push %eax 12 call __syscall_ret 13 pop %edx 14 ret 15