syscalls。list:
# File name Caller Syscall name Args Strong name Weak names
alarm - alarm i:i alarm
bdflush EXTRA bdflush i:ii __compat_bdflush bdflush@GLIBC_2.0:GLIBC_2.23
capget EXTRA capget i:pp capget
capset EXTRA capset i:pp capset
create_module EXTRA create_module 3 __compat_create_module create_module@GLIBC_2.0:GLIBC_2.23
delete_module EXTRA delete_module 3 delete_module
epoll_create EXTRA epoll_create i:i epoll_create
epoll_create1 EXTRA epoll_create1 i:i epoll_create1
epoll_ctl EXTRA epoll_ctl i:iiip epoll_ctl
eventfd EXTRA eventfd2 i:ii eventfd
...
“-”和“EXTRA”在“Caller”栏中是什么意思?
谢谢提前