为什么syscall表中的某些系统调用有/ptregs
?从arch/x86/entry/syscalls/syscall_64.tbl/系统调用表中的ptregs
例如:
54 64 setsockopt sys_setsockopt
55 64 getsockopt sys_getsockopt
56 common clone sys_clone/ptregs
57 common fork sys_fork/ptregs
58 common vfork sys_vfork/ptregs
59 64 execve sys_execve/ptregs
60 common exit sys_exit
61 common wait4 sys_wait4