Re: [PATCH v3 3/6] parisc: add system call table generation support

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> On Mon, 8 Oct 2018 at 10:47, Firoz Khan <firoz.khan@xxxxxxxxxx> wrote:
> > diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl
> > new file mode 100644
> > index 0000000..4e85293
> > --- /dev/null
> > +++ b/arch/parisc/kernel/syscalls/syscall.tbl
> > @@ -0,0 +1,352 @@
> > +# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
> > +#
> > +# system call numbers and entry vectors for parisc
> > +#
> > +# The format is:
> > +# <number> <abi> <name> <entry point> <compat entry point>
> > +#
> > +# The <abi> can be common, 64, or 32 for this file.
> > +#
> > +0       common  restart_syscall                 sys_restart_syscall
> > +1       common  exit                            sys_exit
> > +2       common  fork                            sys_fork_wrapper
> > +3       common  read                            sys_read
> > +4       common  write                           sys_write
> > +5       common  open                            sys_open                        compat_sys_open
> > +6       common  close                           sys_close
> > +7       common  waitpid                         sys_waitpid
> > +8       common  creat                           sys_creat
> > +9       common  link                            sys_link
> > +10      common  unlink                          sys_unlink
> > +11      common  execve                          sys_execve                      compat_sys_execve
> > +12      common  chdir                           sys_chdir
> > +13      common  time                            sys_time                        compat_sys_time
> > +14      common  mknod                           sys_mknod
> > +15      common  chmod                           sys_chmod
> > +16      common  lchown                          sys_lchown
> > +17      common  socket                          sys_socket
> > +18      common  stat                            sys_newstat                     compat_sys_newstat
> > +19      common  lseek                           sys_lseek                       compat_sys_lseek
> > +20      common  getpid                          sys_getpid
> > +21      common  mount                           sys_mount                       compat_sys_mount
> > +22      common  bind                            sys_bind
> > +23      common  setuid                          sys_setuid
> > +24      common  getuid                          sys_getuid
> > +25      common  stime                           sys_stime                       compat_sys_stime
> > +26      common  ptrace                          sys_ptrace                      compat_sys_ptrace
> > +27      common  alarm                           sys_alarm
> > +28      common  fstat                           sys_newfstat                    compat_sys_newfstat
> > +29      common  pause                           sys_pause
> > +30      common  utime                           sys_utime                       compat_sys_utime
> > +31      common  connect                         sys_connect
> > +32      common  listen                          sys_listen
> > +33      common  access                          sys_access
> > +34      common  nice                            sys_nice
> > +35      common  accept                          sys_accept
> > +36      common  sync                            sys_sync
> > +37      common  kill                            sys_kill
> > +38      common  rename                          sys_rename
> > +39      common  mkdir                           sys_mkdir
> > +40      common  rmdir                           sys_rmdir
> > +41      common  dup                             sys_dup
> > +42      common  pipe                            sys_pipe
> > +43      common  times                           sys_times                       compat_sys_times
> > +44      common  getsockname                     sys_getsockname
> > +45      common  brk                             sys_brk
> > +46      common  setgid                          sys_setgid
> > +47      common  getgid                          sys_getgid
> > +48      common  signal                          sys_signal
> > +49      common  geteuid                         sys_geteuid
> > +50      common  getegid                         sys_getegid
> > +51      common  acct                            sys_acct
> > +52      common  umount2                         sys_umount
> > +53      common  getpeername                     sys_getpeername
> > +54      common  ioctl                           sys_ioctl                       compat_sys_ioctl
> > +55      common  fcntl                           sys_fcntl                       compat_sys_fcntl
> > +56      common  socketpair                      sys_socketpair
> > +57      common  setpgid                         sys_setpgid
> > +58      common  send                            sys_send
> > +59      common  uname                           sys_newuname
> > +60      common  umask                           sys_umask
> > +61      common  chroot                          sys_chroot
> > +62      common  ustat                           sys_ustat                       compat_sys_ustat
> > +63      common  dup2                            sys_dup2
> > +64      common  getppid                         sys_getppid
> > +65      common  getpgrp                         sys_getpgrp
> > +66      common  setsid                          sys_setsid
> > +67      common  pivot_root                      sys_pivot_root
> > +68      common  sgetmask                        sys_sgetmask                    sys32_unimplemented
> > +69      common  ssetmask                        sys_ssetmask                    sys32_unimplemented
> > +70      common  setreuid                        sys_setreuid
> > +71      common  setregid                        sys_setregid
> > +72      common  mincore                         sys_mincore
> > +73      common  sigpending                      sys_sigpending                  compat_sys_sigpending
> > +74      common  sethostname                     sys_sethostname
> > +75      common  setrlimit                       sys_setrlimit                   compat_sys_setrlimit
> > +76      common  getrlimit                       sys_getrlimit                   compat_sys_getrlimit
> > +77      common  getrusage                       sys_getrusage                   compat_sys_getrusage
> > +78      common  gettimeofday                    sys_gettimeofday                compat_sys_gettimeofday
> > +79      common  settimeofday                    sys_settimeofday                compat_sys_settimeofday
> > +80      common  getgroups                       sys_getgroups
> > +81      common  setgroups                       sys_setgroups
> > +82      common  sendto                          sys_sendto
> > +83      common  symlink                         sys_symlink
> > +84      common  lstat                           sys_newlstat                    compat_sys_newlstat
> > +85      common  readlink                        sys_readlink
> > +86      common  uselib                          sys_ni_syscall

Why uselib is declared, contrary to all the skipped syscalls below,
that were sys_ni_syscall previously? Only __NR_socketcall was explicitly
undefined in arch/parisc/include/uapi/asm/unistd.h.

> > +87      common  swapon                          sys_swapon
> > +88      common  reboot                          sys_reboot
> > +89      common  mmap2                           sys_mmap2
> > +90      common  mmap                            sys_mmap
> > +91      common  munmap                          sys_munmap
> > +92      common  truncate                        sys_truncate                    compat_sys_truncate
> > +93      common  ftruncate                       sys_ftruncate                   compat_sys_ftruncate
> > +94      common  fchmod                          sys_fchmod
> > +95      common  fchown                          sys_fchown
> > +96      common  getpriority                     sys_getpriority
> > +97      common  setpriority                     sys_setpriority
> > +98      common  recv                            sys_recv
> > +99      common  statfs                          sys_statfs                      compat_sys_statfs
> > +100     common  fstatfs                         sys_fstatfs                     compat_sys_fstatfs
> > +101     common  stat64                          sys_stat64

It is probably worth adding a comment here that syscall 102 was
socketcall, in order to make reason for this jump in syscall numeration
self-evident.

> > +103     common  syslog                          sys_syslog
> > +104     common  setitimer                       sys_setitimer                   compat_sys_setitimer
> > +105     common  getitimer                       sys_getitimer                   compat_sys_getitimer
> > +106     common  capget                          sys_capget
> > +107     common  capset                          sys_capset

> > +108     32      pread64                         parisc_pread64
> > +108     64      pread64                         sys_pread64                     parisc_pread64

It would be probably nice to have some syntax that would allow avoid
this duplication (as compat handler on 64 bit and native on 32 bit are
the same).

> > +109     32      pwrite64                        parisc_pwrite64
> > +109     64      pwrite64                        sys_pwrite64                    parisc_pwrite64
> > +110     common  getcwd                          sys_getcwd
> > +111     common  vhangup                         sys_vhangup
> > +112     common  fstat64                         sys_fstat64
> > +113     common  vfork                           sys_vfork_wrapper
> > +114     common  wait4                           sys_wait4                       compat_sys_wait4
> > +115     common  swapoff                         sys_swapoff
> > +116     common  sysinfo                         sys_sysinfo                     compat_sys_sysinfo
> > +117     common  shutdown                        sys_shutdown
> > +118     common  fsync                           sys_fsync
> > +119     common  madvise                         sys_madvise
> > +120     common  clone                           sys_clone_wrapper
> > +121     common  setdomainname                   sys_setdomainname
> > +122     common  sendfile                        sys_sendfile                    compat_sys_sendfile
> > +123     common  recvfrom                        sys_recvfrom
> > +124     common  adjtimex                        sys_adjtimex                    compat_sys_adjtimex
> > +125     common  mprotect                        sys_mprotect
> > +126     common  sigprocmask                     sys_sigprocmask                 compat_sys_sigprocmask

127 - create_module

> > +128     common  init_module                     sys_init_module
> > +129     common  delete_module                   sys_delete_module

130 - get_kernel_syms

> > +131     common  quotactl                        sys_quotactl
> > +132     common  getpgid                         sys_getpgid
> > +133     common  fchdir                          sys_fchdir
> > +134     common  bdflush                         sys_bdflush
> > +135     common  sysfs                           sys_sysfs
> > +136     32      personality                     parisc_personality
> > +136     64      personality                     sys_personality                 parisc_personality

136 - afs_syscall

> > +138     common  setfsuid                        sys_setfsuid
> > +139     common  setfsgid                        sys_setfsgid
> > +140     common  _llseek                         sys_llseek
> > +141     common  getdents                        sys_getdents                    compat_sys_getdents
> > +142     common  _newselect                      sys_select                      compat_sys_select
> > +143     common  flock                           sys_flock
> > +144     common  msync                           sys_msync
> > +145     common  readv                           sys_readv                       compat_sys_readv
> > +146     common  writev                          sys_writev                      compat_sys_writev
> > +147     common  getsid                          sys_getsid
> > +148     common  fdatasync                       sys_fdatasync
> > +149     common  _sysctl                         sys_sysctl                      compat_sys_sysctl
> > +150     common  mlock                           sys_mlock
> > +151     common  munlock                         sys_munlock
> > +152     common  mlockall                        sys_mlockall
> > +153     common  munlockall                      sys_munlockall
> > +154     common  sched_setparam                  sys_sched_setparam
> > +155     common  sched_getparam                  sys_sched_getparam
> > +156     common  sched_setscheduler              sys_sched_setscheduler
> > +157     common  sched_getscheduler              sys_sched_getscheduler
> > +158     common  sched_yield                     sys_sched_yield
> > +159     common  sched_get_priority_max          sys_sched_get_priority_max
> > +160     common  sched_get_priority_min          sys_sched_get_priority_min
> > +161     common  sched_rr_get_interval           sys_sched_rr_get_interval       compat_sys_sched_rr_get_interval
> > +162     common  nanosleep                       sys_nanosleep                   compat_sys_nanosleep
> > +163     common  mremap                          sys_mremap
> > +164     common  setresuid                       sys_setresuid
> > +165     common  getresuid                       sys_getresuid
> > +166     common  sigaltstack                     sys_sigaltstack                 compat_sys_sigaltstack

167 - query_module

> > +168     common  poll                            sys_poll

169 - nfsservctl

> > +170     common  setresgid                       sys_setresgid
> > +171     common  getresgid                       sys_getresgid
> > +172     common  prctl                           sys_prctl
> > +173     common  rt_sigreturn                    sys_rt_sigreturn
> > +174     common  rt_sigaction                    sys_rt_sigaction                compat_sys_rt_sigaction
> > +175     common  rt_sigprocmask                  sys_rt_sigprocmask              compat_sys_rt_sigprocmask
> > +176     common  rt_sigpending                   sys_rt_sigpending               compat_sys_rt_sigpending
> > +177     common  rt_sigtimedwait                 sys_rt_sigtimedwait             compat_sys_rt_sigtimedwait
> > +178     common  rt_sigqueueinfo                 sys_rt_sigqueueinfo             compat_sys_rt_sigqueueinfo
> > +179     common  rt_sigsuspend                   sys_rt_sigsuspend               compat_sys_rt_sigsuspend
> > +180     common  chown                           sys_chown
> > +181     common  setsockopt                      sys_setsockopt                  compat_sys_setsockopt
> > +182     common  getsockopt                      sys_getsockopt                  compat_sys_getsockopt
> > +183     common  sendmsg                         sys_sendmsg                     compat_sys_sendmsg
> > +184     common  recvmsg                         sys_recvmsg                     compat_sys_recvmsg
> > +185     common  semop                           sys_semop
> > +186     common  semget                          sys_semget
> > +187     common  semctl                          sys_semctl                      compat_sys_semctl
> > +188     common  msgsnd                          sys_msgsnd                      compat_sys_msgsnd
> > +189     common  msgrcv                          sys_msgrcv                      compat_sys_msgrcv
> > +190     common  msgget                          sys_msgget
> > +191     common  msgctl                          sys_msgctl                      compat_sys_msgctl
> > +192     common  shmat                           sys_shmat                       compat_sys_shmat
> > +193     common  shmdt                           sys_shmdt
> > +194     common  shmget                          sys_shmget
> > +195     common  shmctl                          sys_shmctl                      compat_sys_shmctl

196 - getpmsg
187 - putpmsg

> > +198     common  lstat64                         sys_lstat64
> > +199     32      truncate64                      parisc_truncate64
> > +199     64      truncate64                      sys_truncate64                  parisc_truncate64
> > +200     32      ftruncate64                     parisc_ftruncate64
> > +200     64      ftruncate64                     sys_ftruncate64                 parisc_ftruncate64
> > +201     common  getdents64                      sys_getdents64
> > +202     common  fcntl64                         sys_fcntl64                     compat_sys_fcntl64

203 - attrctl
204 - acl_get
205 - acl_set

> > +206     common  gettid                          sys_gettid
> > +207     32      readahead                       parisc_readahead
> > +207     64      readahead                       sys_readahead                   parisc_readahead
> > +208     common  tkill                           sys_tkill
> > +209     common  sendfile64                      sys_sendfile64                  compat_sys_sendfile64
> > +210     common  futex                           sys_futex                       compat_sys_futex
> > +211     common  sched_setaffinity               sys_sched_setaffinity           compat_sys_sched_setaffinity
> > +212     common  sched_getaffinity               sys_sched_getaffinity           compat_sys_sched_getaffinity

213 - set_thread_area
214 - get_thread_area

> > +215     common  io_setup                        sys_io_setup                    compat_sys_io_setup
> > +216     common  io_destroy                      sys_io_destroy
> > +217     common  io_getevents                    sys_io_getevents                compat_sys_io_getevents
> > +218     common  io_submit                       sys_io_submit                   compat_sys_io_submit
> > +219     common  io_cancel                       sys_io_cancel

220 - alloc_hugepages
221 - free_hugepages

> > +222     common  exit_group                      sys_exit_group
> > +223     common  lookup_dcookie                  sys_lookup_dcookie              compat_sys_lookup_dcookie
> > +224     common  epoll_create                    sys_epoll_create
> > +225     common  epoll_ctl                       sys_epoll_ctl
> > +226     common  epoll_wait                      sys_epoll_wait
> > +227     common  remap_file_pages                sys_remap_file_pages
> > +228     common  semtimedop                      sys_semtimedop                  compat_sys_semtimedop
> > +229     common  mq_open                         sys_mq_open                     compat_sys_mq_open
> > +230     common  mq_unlink                       sys_mq_unlink
> > +231     common  mq_timedsend                    sys_mq_timedsend                compat_sys_mq_timedsend
> > +232     common  mq_timedreceive                 sys_mq_timedreceive             compat_sys_mq_timedreceive
> > +233     common  mq_notify                       sys_mq_notify                   compat_sys_mq_notify
> > +234     common  mq_getsetattr                   sys_mq_getsetattr               compat_sys_mq_getsetattr
> > +235     common  waitid                          sys_waitid                      compat_sys_waitid
> > +236     32      fadvise64_64                    parisc_fadvise64_64
> > +236     64      fadvise64_64                    sys_fadvise64_64                parisc_fadvise64_64
> > +237     common  set_tid_address                 sys_set_tid_address
> > +238     common  setxattr                        sys_setxattr
> > +239     common  lsetxattr                       sys_lsetxattr
> > +240     common  fsetxattr                       sys_fsetxattr
> > +241     common  getxattr                        sys_getxattr
> > +242     common  lgetxattr                       sys_lgetxattr
> > +243     common  fgetxattr                       sys_fgetxattr
> > +244     common  listxattr                       sys_listxattr
> > +245     common  llistxattr                      sys_llistxattr
> > +246     common  flistxattr                      sys_flistxattr
> > +247     common  removexattr                     sys_removexattr
> > +248     common  lremovexattr                    sys_lremovexattr
> > +249     common  fremovexattr                    sys_fremovexattr
> > +250     common  timer_create                    sys_timer_create                compat_sys_timer_create
> > +251     common  timer_settime                   sys_timer_settime               compat_sys_timer_settime
> > +252     common  timer_gettime                   sys_timer_gettime               compat_sys_timer_gettime
> > +253     common  timer_getoverrun                sys_timer_getoverrun
> > +254     common  timer_delete                    sys_timer_delete
> > +255     common  clock_settime                   sys_clock_settime               compat_sys_clock_settime
> > +256     common  clock_gettime                   sys_clock_gettime               compat_sys_clock_gettime
> > +257     common  clock_getres                    sys_clock_getres                compat_sys_clock_getres
> > +258     common  clock_nanosleep                 sys_clock_nanosleep             compat_sys_clock_nanosleep
> > +259     common  tgkill                          sys_tgkill
> > +260     common  mbind                           sys_mbind                       compat_sys_mbind
> > +261     common  get_mempolicy                   sys_get_mempolicy               compat_sys_get_mempolicy
> > +262     common  set_mempolicy                   sys_set_mempolicy               compat_sys_set_mempolicy

263 - vserver

> > +264     common  add_key                         sys_add_key
> > +265     common  request_key                     sys_request_key
> > +266     common  keyctl                          sys_keyctl                      compat_sys_keyctl
> > +267     common  ioprio_set                      sys_ioprio_set
> > +268     common  ioprio_get                      sys_ioprio_get
> > +269     common  inotify_init                    sys_inotify_init
> > +270     common  inotify_add_watch               sys_inotify_add_watch
> > +271     common  inotify_rm_watch                sys_inotify_rm_watch
> > +272     common  migrate_pages                   sys_migrate_pages
> > +273     common  pselect6                        sys_pselect6                    compat_sys_pselect6
> > +274     common  ppoll                           sys_ppoll                       compat_sys_ppoll
> > +275     common  openat                          sys_openat                      compat_sys_openat
> > +276     common  mkdirat                         sys_mkdirat
> > +277     common  mknodat                         sys_mknodat
> > +278     common  fchownat                        sys_fchownat
> > +279     common  futimesat                       sys_futimesat                   compat_sys_futimesat
> > +280     common  fstatat64                       sys_fstatat64
> > +281     common  unlinkat                        sys_unlinkat
> > +282     common  renameat                        sys_renameat
> > +283     common  linkat                          sys_linkat
> > +284     common  symlinkat                       sys_symlinkat
> > +285     common  readlinkat                      sys_readlinkat
> > +286     common  fchmodat                        sys_fchmodat
> > +287     common  faccessat                       sys_faccessat
> > +288     common  unshare                         sys_unshare
> > +289     common  set_robust_list                 sys_set_robust_list             compat_sys_set_robust_list
> > +290     common  get_robust_list                 sys_get_robust_list             compat_sys_get_robust_list
> > +291     common  splice                          sys_splice
> > +292     32      sync_file_range                 parisc_sync_file_range
> > +292     64      sync_file_range                 sys_sync_file_range             parisc_sync_file_range
> > +293     common  tee                             sys_tee
> > +294     common  vmsplice                        sys_vmsplice                    compat_sys_vmsplice
> > +295     common  move_pages                      sys_move_pages                  compat_sys_move_pages
> > +296     common  getcpu                          sys_getcpu
> > +297     common  epoll_pwait                     sys_epoll_pwait                 compat_sys_epoll_pwait
> > +298     common  statfs64                        sys_statfs64                    compat_sys_statfs64
> > +299     common  fstatfs64                       sys_fstatfs64                   compat_sys_fstatfs64
> > +300     common  kexec_load                      sys_kexec_load                  compat_sys_kexec_load
> > +301     common  utimensat                       sys_utimensat                   compat_sys_utimensat
> > +302     common  signalfd                        sys_signalfd                    compat_sys_signalfd

303 - timerfd

> > +304     common  eventfd                         sys_eventfd
> > +305     32      fallocate                       parisc_fallocate
> > +305     64      fallocate                       sys_fallocate                   parisc_fallocate
> > +306     common  timerfd_create                  sys_timerfd_create
> > +307     common  timerfd_settime                 sys_timerfd_settime             compat_sys_timerfd_settime
> > +308     common  timerfd_gettime                 sys_timerfd_gettime             compat_sys_timerfd_gettime
> > +309     common  signalfd4                       sys_signalfd4                   compat_sys_signalfd4
> > +310     common  eventfd2                        sys_eventfd2
> > +311     common  epoll_create1                   sys_epoll_create1
> > +312     common  dup3                            sys_dup3
> > +313     common  pipe2                           sys_pipe2
> > +314     common  inotify_init1                   sys_inotify_init1
> > +315     common  preadv                          sys_preadv                      compat_sys_preadv
> > +316     common  pwritev                         sys_pwritev                     compat_sys_pwritev
> > +317     common  rt_tgsigqueueinfo               sys_rt_tgsigqueueinfo           compat_sys_rt_tgsigqueueinfo
> > +318     common  perf_event_open                 sys_perf_event_open
> > +319     common  recvmmsg                        sys_recvmmsg                    compat_sys_recvmmsg
> > +320     common  accept4                         sys_accept4
> > +321     common  prlimit64                       sys_prlimit64
> > +322     common  fanotify_init                   sys_fanotify_init
> > +323     common  fanotify_mark                   sys_fanotify_mark               sys32_fanotify_mark
> > +324     common  clock_adjtime                   sys_clock_adjtime               compat_sys_clock_adjtime
> > +325     common  name_to_handle_at               sys_name_to_handle_at
> > +326     common  open_by_handle_at               sys_open_by_handle_at           compat_sys_open_by_handle_at
> > +327     common  syncfs                          sys_syncfs
> > +328     common  setns                           sys_setns
> > +329     common  sendmmsg                        sys_sendmmsg                    compat_sys_sendmmsg
> > +330     common  process_vm_readv                sys_process_vm_readv            compat_sys_process_vm_readv
> > +331     common  process_vm_writev               sys_process_vm_writev           compat_sys_process_vm_writev
> > +332     common  kcmp                            sys_kcmp
> > +333     common  finit_module                    sys_finit_module
> > +334     common  sched_setattr                   sys_sched_setattr
> > +335     common  sched_getattr                   sys_sched_getattr
> > +336     common  utimes                          sys_utimes                      compat_sys_utimes
> > +337     common  renameat2                       sys_renameat2
> > +338     common  seccomp                         sys_seccomp
> > +339     common  getrandom                       sys_getrandom
> > +340     common  memfd_create                    sys_memfd_create
> > +341     common  bpf                             sys_bpf
> > +342     common  execveat                        sys_execveat                    compat_sys_execveat
> > +343     common  membarrier                      sys_membarrier
> > +344     common  userfaultfd                     sys_userfaultfd
> > +345     common  mlock2                          sys_mlock2
> > +346     common  copy_file_range                 sys_copy_file_range
> > +347     common  preadv2                         sys_preadv2                     compat_sys_preadv2
> > +348     common  pwritev2                        sys_pwritev2                    compat_sys_pwritev2
> > +349     common  statx                           sys_statx
> > +350    common  io_pgetevents                   sys_io_pgetevents               compat_sys_io_pgetevents
> > \ No newline at end of file



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