[PATCH 5/6] alpha: Add system call table generation support

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The system call tables are in different format in all
architecture and it will be difficult to manually add or
modify the system calls in the respective files. To make
it easy by keeping a script and which'll generate the
header file and syscall table file so this change will
unify them across all architectures.

The system call table generation script is added in
syscalls directory which contain the script to generate
both uapi header file system call table generation file
and syscall.tbl file which'll be the input for the scripts.

syscall.tbl contains the list of available system calls
along with system call number and corresponding entry point.
Add a new system call in this architecture will be possible
by adding new entry in the syscall.tbl file.

Adding a new table entry consisting of:
        - System call number.
        - ABI.
        - System call name.
        - Entry point name.

syscallhdr.sh and syscalltbl.sh will generate uapi header-
unistd.h and syscall_table.h files respectively. File
syscall_table.h is included by syscall.S - the real system
call table. Both .sh files will parse the content syscall.tbl
to generate the header and table files.

ARM, s390 and x86 architecuture does have the similar support.
I leverage their implementation to come up with a generic
solution.

Signed-off-by: Firoz Khan <firoz.khan@xxxxxxxxxx>
---
 arch/alpha/kernel/syscalls/Makefile      |  37 +++
 arch/alpha/kernel/syscalls/syscall.tbl   | 450 +++++++++++++++++++++++++++++++
 arch/alpha/kernel/syscalls/syscallhdr.sh |  33 +++
 arch/alpha/kernel/syscalls/syscalltbl.sh |  28 ++
 4 files changed, 548 insertions(+)
 create mode 100644 arch/alpha/kernel/syscalls/Makefile
 create mode 100644 arch/alpha/kernel/syscalls/syscall.tbl
 create mode 100644 arch/alpha/kernel/syscalls/syscallhdr.sh
 create mode 100644 arch/alpha/kernel/syscalls/syscalltbl.sh

diff --git a/arch/alpha/kernel/syscalls/Makefile b/arch/alpha/kernel/syscalls/Makefile
new file mode 100644
index 0000000..96d82b8
--- /dev/null
+++ b/arch/alpha/kernel/syscalls/Makefile
@@ -0,0 +1,37 @@
+# SPDX-License-Identifier: GPL-2.0
+out := arch/$(SRCARCH)/include/generated/asm
+uapi := arch/$(SRCARCH)/include/generated/uapi/asm
+
+_dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \
+	  $(shell [ -d '$(out)' ] || mkdir -p '$(out)')
+
+syscall := $(srctree)/$(src)/syscall.tbl
+
+syshdr := $(srctree)/$(src)/syscallhdr.sh
+systbl := $(srctree)/$(src)/syscalltbl.sh
+
+quiet_cmd_syshdr = SYSHDR  $@
+      cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@'  \
+		   '$(syshdr_abi_$(basetarget))'          \
+		   '$(syshdr_pfx_$(basetarget))'          \
+		   '$(syshdr_offset_$(basetarget))'
+
+quiet_cmd_systbl = SYSTBL  $@
+      cmd_systbl = $(CONFIG_SHELL) '$(systbl)' '$<' '$@'  \
+		   '$(systbl_abi_$(basetarget))'
+
+$(uapi)/unistd.h: $(syscall) $(syshdr)
+	$(call if_changed,syshdr)
+
+$(out)/syscall_table.h: $(syscall) $(systbl)
+	$(call if_changed,systbl)
+
+uapisyshdr-y			+= unistd.h
+syshdr-y			+= syscall_table.h
+
+targets	+= $(uapisyshdr-y) $(syshdr-y)
+
+PHONY += all (addprefix $(uapi)/,$(uapisyshdr-y)) $(addprefix $(out)/,$(syshdr-y))
+all: $(addprefix $(uapi)/,$(uapisyshdr-y))
+all: $(addprefix $(out)/,$(syshdr-y))
+	@:
diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/syscalls/syscall.tbl
new file mode 100644
index 0000000..946a8fb
--- /dev/null
+++ b/arch/alpha/kernel/syscalls/syscall.tbl
@@ -0,0 +1,450 @@
+#
+# Linux system call numbers and entry vectors
+#
+# The format is:
+# <number> <abi> <name> <entry point>
+#
+# The abi is always common for this file.
+#
+0       common  osf_syscall                     sys_ni_syscall
+1       common  exit                            sys_exit
+2       common  fork                            alpha_fork
+3       common  read                            sys_read
+4       common  write                           sys_write
+5       common  osf_old_open                    sys_ni_syscall
+6       common  close                           sys_close
+7       common  osf_wait4                       sys_osf_wait4
+8       common  osf_old_creat                   sys_ni_syscall
+9       common  link                            sys_link
+10      common  unlink                          sys_unlink
+11      common  osf_execve                      sys_ni_syscall
+12      common  chdir                           sys_chdir
+13      common  fchdir                          sys_fchdir
+14      common  mknod                           sys_mknod
+15      common  chmod                           sys_chmod
+16      common  chown                           sys_chown
+17      common  brk                             sys_osf_brk
+18      common  osf_getfsstat                   sys_ni_syscall
+19      common  lseek                           sys_lseek
+20      common  getxpid                         sys_getxpid
+21      common  osf_mount                       sys_osf_mount
+22      common  umount                          sys_umount
+23      common  setuid                          sys_setuid
+24      common  getxuid                         sys_getxuid
+25      common  exec_with_loader                sys_ni_syscall
+26      common  ptrace                          sys_ptrace
+27      common  osf_nrecvmsg                    sys_ni_syscall
+28      common  osf_nsendmsg                    sys_ni_syscall
+29      common  osf_nrecvfrom                   sys_ni_syscall
+30      common  osf_naccept                     sys_ni_syscall
+31      common  osf_ngetpeername                sys_ni_syscall
+32      common  osf_ngetsockname                sys_ni_syscall
+33      common  access                          sys_access
+34      common  osf_chflags                     sys_ni_syscall
+35      common  osf_fchflags                    sys_ni_syscall
+36      common  sync                            sys_sync
+37      common  kill                            sys_kill
+38      common  osf_old_stat                    sys_ni_syscall
+39      common  setpgid                         sys_setpgid
+40      common  osf_old_lstat                   sys_ni_syscall
+41      common  dup                             sys_dup
+42      common  pipe                            sys_alpha_pipe
+43      common  osf_set_program_attributes      sys_osf_set_program_attributes
+44      common  osf_profil                      sys_ni_syscall
+45      common  open                            sys_open
+46      common  osf_old_sigaction               sys_ni_syscall
+47      common  getxgid                         sys_getxgid
+48      common  osf_sigprocmask                 sys_osf_sigprocmask
+49      common  osf_getlogin                    sys_ni_syscall
+50      common  osf_setlogin                    sys_ni_syscall
+51      common  acct                            sys_acct
+52      common  sigpending                      sys_sigpending
+54      common  ioctl                           sys_ioctl
+55      common  osf_reboot                      sys_ni_syscall
+56      common  osf_revoke                      sys_ni_syscall
+57      common  symlink                         sys_symlink
+58      common  readlink                        sys_readlink
+59      common  execve                          sys_execve
+60      common  umask                           sys_umask
+61      common  chroot                          sys_chroot
+62      common  osf_old_fstat                   sys_ni_syscall
+63      common  getpgrp                         sys_getpgrp
+64      common  getpagesize                     sys_getpagesize
+65      common  osf_mremap                      sys_ni_syscall
+66      common  vfork                           alpha_vfork
+67      common  stat                            sys_newstat
+68      common  lstat                           sys_newlstat
+69      common  osf_sbrk                        sys_ni_syscall
+70      common  osf_sstk                        sys_ni_syscall
+71      common  mmap                            sys_osf_mmap
+72      common  osf_old_vadvise                 sys_ni_syscall
+73      common  munmap                          sys_munmap
+74      common  mprotect                        sys_mprotect
+75      common  madvise                         sys_madvise
+76      common  vhangup                         sys_vhangup
+77      common  osf_kmodcall                    sys_ni_syscall
+78      common  osf_mincore                     sys_ni_syscall
+79      common  getgroups                       sys_getgroups
+80      common  setgroups                       sys_setgroups
+81      common  osf_old_getpgrp                 sys_ni_syscall
+82      common  setpgrp                         sys_setpgid
+83      common  osf_setitimer                   sys_osf_setitimer
+84      common  osf_old_wait                    sys_ni_syscall
+85      common  osf_table                       sys_ni_syscall
+86      common  osf_getitimer                   sys_osf_getitimer
+87      common  gethostname                     sys_gethostname
+88      common  sethostname                     sys_sethostname
+89      common  getdtablesize                   sys_getdtablesize
+90      common  dup2                            sys_dup2
+91      common  fstat                           sys_newfstat
+92      common  fcntl                           sys_fcntl
+93      common  osf_select                      sys_osf_select
+94      common  poll                            sys_poll
+95      common  fsync                           sys_fsync
+96      common  setpriority                     sys_setpriority
+97      common  socket                          sys_socket
+98      common  connect                         sys_connect
+99      common  accept                          sys_accept
+100     common  getpriority                     sys_osf_getpriority
+101     common  send                            sys_send
+102     common  recv                            sys_recv
+103     common  sigreturn                       sys_sigreturn
+104     common  bind                            sys_bind
+105     common  setsockopt                      sys_setsockopt
+106     common  listen                          sys_listen
+107     common  osf_plock                       sys_ni_syscall
+108     common  osf_old_sigvec                  sys_ni_syscall
+109     common  osf_old_sigblock                sys_ni_syscall
+110     common  osf_old_sigsetmask              sys_ni_syscall
+111     common  sigsuspend                      sys_sigsuspend
+112     common  osf_sigstack                    sys_osf_sigstack
+113     common  recvmsg                         sys_recvmsg
+114     common  sendmsg                         sys_sendmsg
+115     common  osf_old_vtrace                  sys_ni_syscall
+116     common  osf_gettimeofday                sys_osf_gettimeofday
+117     common  osf_getrusage                   sys_osf_getrusage
+118     common  getsockopt                      sys_getsockopt
+120     common  readv                           sys_osf_readv
+121     common  writev                          sys_osf_writev
+122     common  osf_settimeofday                sys_osf_settimeofday
+123     common  fchown                          sys_fchown
+124     common  fchmod                          sys_fchmod
+125     common  recvfrom                        sys_recvfrom
+126     common  setreuid                        sys_setreuid
+127     common  setregid                        sys_setregid
+128     common  rename                          sys_rename
+129     common  truncate                        sys_truncate
+130     common  ftruncate                       sys_ftruncate
+131     common  flock                           sys_flock
+132     common  setgid                          sys_setgid
+133     common  sendto                          sys_sendto
+134     common  shutdown                        sys_shutdown
+135     common  socketpair                      sys_socketpair
+136     common  mkdir                           sys_mkdir
+137     common  rmdir                           sys_rmdir
+138     common  osf_utimes                      sys_osf_utimes
+139     common  osf_old_sigreturn               sys_ni_syscall
+140     common  osf_adjtime                     sys_ni_syscall
+141     common  getpeername                     sys_getpeername
+142     common  osf_gethostid                   sys_ni_syscall
+143     common  osf_sethostid                   sys_ni_syscall
+144     common  getrlimit                       sys_getrlimit
+145     common  setrlimit                       sys_setrlimit
+146     common  osf_old_killpg                  sys_ni_syscall
+147     common  setsid                          sys_setsid
+148     common  quotactl                        sys_quotactl
+149     common  osf_oldquota                    sys_ni_syscall
+150     common  getsockname                     sys_getsockname
+153     common  osf_pid_block                   sys_ni_syscall
+154     common  osf_pid_unblock                 sys_ni_syscall
+156     common  sigaction                       sys_osf_sigaction
+157     common  osf_sigwaitprim                 sys_ni_syscall
+158     common  osf_nfssvc                      sys_ni_syscall
+159     common  osf_getdirentries               sys_osf_getdirentries
+160     common  osf_statfs                      sys_osf_statfs
+161     common  osf_fstatfs                     sys_osf_fstatfs
+163     common  osf_asynch_daemon               sys_ni_syscall
+164     common  osf_getfh                       sys_ni_syscall
+165     common  osf_getdomainname               sys_osf_getdomainname
+166     common  setdomainname                   sys_setdomainname
+169     common  osf_exportfs                    sys_ni_syscall
+181     common  osf_alt_plock                   sys_ni_syscall
+184     common  osf_getmnt                      sys_ni_syscall
+187     common  osf_alt_sigpending              sys_ni_syscall
+188     common  osf_alt_setsid                  sys_ni_syscall
+199     common  osf_swapon                      sys_swapon
+200     common  msgctl                          sys_msgctl
+201     common  msgget                          sys_msgget
+202     common  msgrcv                          sys_msgrcv
+203     common  msgsnd                          sys_msgsnd
+204     common  semctl                          sys_semctl
+205     common  semget                          sys_semget
+206     common  semop                           sys_semop
+207     common  osf_utsname                     sys_osf_utsname
+208     common  lchown                          sys_lchown
+209     common  osf_shmat                       sys_shmat
+210     common  shmctl                          sys_shmctl
+211     common  shmdt                           sys_shmdt
+212     common  shmget                          sys_shmget
+213     common  osf_mvalid                      sys_ni_syscall
+214     common  osf_getaddressconf              sys_ni_syscall
+215     common  osf_msleep                      sys_ni_syscall
+216     common  osf_mwakeup                     sys_ni_syscall
+217     common  msync                           sys_msync
+218     common  osf_signal                      sys_ni_syscall
+219     common  osf_utc_gettime                 sys_ni_syscall
+220     common  osf_utc_adjtime                 sys_ni_syscall
+222     common  osf_security                    sys_ni_syscall
+223     common  osf_kloadcall                   sys_ni_syscall
+224     common  osf_stat                        sys_osf_stat
+225     common  osf_lstat                       sys_osf_lstat
+226     common  osf_fstat                       sys_osf_fstat
+227     common  osf_statfs64                    sys_osf_statfs64
+228     common  osf_fstatfs64                   sys_osf_fstatfs64
+233     common  getpgid                         sys_getpgid
+234     common  getsid                          sys_getsid
+235     common  sigaltstack                     sys_sigaltstack
+236     common  osf_waitid                      sys_ni_syscall
+237     common  osf_priocntlset                 sys_ni_syscall
+238     common  osf_sigsendset                  sys_ni_syscall
+239     common  osf_set_speculative             sys_ni_syscall
+240     common  osf_msfs_syscall                sys_ni_syscall
+241     common  osf_sysinfo                     sys_osf_sysinfo
+242     common  osf_uadmin                      sys_ni_syscall
+243     common  osf_fuser                       sys_ni_syscall
+244     common  osf_proplist_syscall            sys_osf_proplist_syscall
+245     common  osf_ntp_adjtime                 sys_ni_syscall
+246     common  osf_ntp_gettime                 sys_ni_syscall
+247     common  osf_pathconf                    sys_ni_syscall
+248     common  osf_fpathconf                   sys_ni_syscall
+250     common  osf_uswitch                     sys_ni_syscall
+251     common  osf_usleep_thread               sys_osf_usleep_thread
+252     common  osf_audcntl                     sys_ni_syscall
+253     common  osf_audgen                      sys_ni_syscall
+254     common  sysfs                           sys_sysfs
+255     common  osf_subsys_info                 sys_ni_syscall
+256     common  osf_getsysinfo                  sys_osf_getsysinfo
+257     common  osf_setsysinfo                  sys_osf_setsysinfo
+258     common  osf_afs_syscall                 sys_ni_syscall
+259     common  osf_swapctl                     sys_ni_syscall
+260     common  osf_memcntl                     sys_ni_syscall
+261     common  osf_fdatasync                   sys_ni_syscall
+300     common  bdflush                         sys_bdflush
+301     common  sethae                          sys_sethae
+302     common  mount                           sys_mount
+303     common  old_adjtimex                    sys_old_adjtimex
+304     common  swapoff                         sys_swapoff
+305     common  getdents                        sys_getdents
+306     common  create_module                   sys_ni_syscall
+307     common  init_module                     sys_init_module
+308     common  delete_module                   sys_delete_module
+309     common  get_kernel_syms                 sys_ni_syscall
+310     common  syslog                          sys_syslog
+311     common  reboot                          sys_reboot
+312     common  clone                           alpha_clone
+313     common  uselib                          sys_uselib
+314     common  mlock                           sys_mlock
+315     common  munlock                         sys_munlock
+316     common  mlockall                        sys_mlockall
+317     common  munlockall                      sys_munlockall
+318     common  sysinfo                         sys_sysinfo
+319     common  _sysctl                         sys_sysctl
+321     common  oldumount                       sys_oldumount
+322     common  swapon                          sys_swapon
+323     common  times                           sys_times
+324     common  personality                     sys_personality
+325     common  setfsuid                        sys_setfsuid
+326     common  setfsgid                        sys_setfsgid
+327     common  ustat                           sys_ustat
+328     common  statfs                          sys_statfs
+329     common  fstatfs                         sys_fstatfs
+330     common  sched_setparam                  sys_sched_setparam
+331     common  sched_getparam                  sys_sched_getparam
+332     common  sched_setscheduler              sys_sched_setscheduler
+333     common  sched_getscheduler              sys_sched_getscheduler
+334     common  sched_yield                     sys_sched_yield
+335     common  sched_get_priority_max          sys_sched_get_priority_max
+336     common  sched_get_priority_min          sys_sched_get_priority_min
+337     common  sched_rr_get_interval           sys_sched_rr_get_interval
+338     common  afs_syscall                     sys_ni_syscall
+339     common  uname                           sys_newuname
+340     common  nanosleep                       sys_nanosleep
+341     common  mremap                          sys_mremap
+342     common  nfsservctl                      sys_ni_syscall
+343     common  setresuid                       sys_setresuid
+344     common  getresuid                       sys_getresuid
+345     common  pciconfig_read                  sys_pciconfig_read
+346     common  pciconfig_write                 sys_pciconfig_write
+347     common  query_module                    sys_ni_syscall
+348     common  prctl                           sys_prctl
+349     common  pread64                         sys_pread64
+350     common  pwrite64                        sys_pwrite64
+351     common  rt_sigreturn                    sys_rt_sigreturn
+352     common  rt_sigaction                    sys_rt_sigaction
+353     common  rt_sigprocmask                  sys_rt_sigprocmask
+354     common  rt_sigpending                   sys_rt_sigpending
+355     common  rt_sigtimedwait                 sys_rt_sigtimedwait
+356     common  rt_sigqueueinfo                 sys_rt_sigqueueinfo
+357     common  rt_sigsuspend                   sys_rt_sigsuspend
+358     common  select                          sys_select
+359     common  gettimeofday                    sys_gettimeofday
+360     common  settimeofday                    sys_settimeofday
+361     common  getitimer                       sys_getitimer
+362     common  setitimer                       sys_setitimer
+363     common  utimes                          sys_utimes
+364     common  getrusage                       sys_getrusage
+365     common  wait4                           sys_wait4
+366     common  adjtimex                        sys_adjtimex
+367     common  getcwd                          sys_getcwd
+368     common  capget                          sys_capget
+369     common  capset                          sys_capset
+370     common  sendfile                        sys_sendfile64
+371     common  setresgid                       sys_setresgid
+372     common  getresgid                       sys_getresgid
+373     common  dipc                            sys_ni_syscall
+374     common  pivot_root                      sys_pivot_root
+375     common  mincore                         sys_mincore
+376     common  pciconfig_iobase                sys_pciconfig_iobase
+377     common  getdents64                      sys_getdents64
+378     common  gettid                          sys_gettid
+379     common  readahead                       sys_readahead
+381     common  tkill                           sys_tkill
+382     common  setxattr                        sys_setxattr
+383     common  lsetxattr                       sys_lsetxattr
+384     common  fsetxattr                       sys_fsetxattr
+385     common  getxattr                        sys_getxattr
+386     common  lgetxattr                       sys_lgetxattr
+387     common  fgetxattr                       sys_fgetxattr
+388     common  listxattr                       sys_listxattr
+389     common  llistxattr                      sys_llistxattr
+390     common  flistxattr                      sys_flistxattr
+391     common  removexattr                     sys_removexattr
+392     common  lremovexattr                    sys_lremovexattr
+393     common  fremovexattr                    sys_fremovexattr
+394     common  futex                           sys_futex
+395     common  sched_setaffinity               sys_sched_setaffinity
+396     common  sched_getaffinity               sys_sched_getaffinity
+397     common  tuxcall                         sys_ni_syscall
+398     common  io_setup                        sys_io_setup
+399     common  io_destroy                      sys_io_destroy
+400     common  io_getevents                    sys_io_getevents
+401     common  io_submit                       sys_io_submit
+402     common  io_cancel                       sys_io_cancel
+405     common  exit_group                      sys_exit_group
+406     common  lookup_dcookie                  sys_lookup_dcookie
+407     common  epoll_create                    sys_epoll_create
+408     common  epoll_ctl                       sys_epoll_ctl
+409     common  epoll_wait                      sys_epoll_wait
+410     common  remap_file_pages                sys_remap_file_pages
+411     common  set_tid_address                 sys_set_tid_address
+412     common  restart_syscall                 sys_restart_syscall
+413     common  fadvise64                       sys_fadvise64
+414     common  timer_create                    sys_timer_create
+415     common  timer_settime                   sys_timer_settime
+416     common  timer_gettime                   sys_timer_gettime
+417     common  timer_getoverrun                sys_timer_getoverrun
+418     common  timer_delete                    sys_timer_delete
+419     common  clock_settime                   sys_clock_settime
+420     common  clock_gettime                   sys_clock_gettime
+421     common  clock_getres                    sys_clock_getres
+422     common  clock_nanosleep                 sys_clock_nanosleep
+423     common  semtimedop                      sys_semtimedop
+424     common  tgkill                          sys_tgkill
+425     common  stat64                          sys_stat64
+426     common  lstat64                         sys_lstat64
+427     common  fstat64                         sys_fstat64
+428     common  vserver                         sys_ni_syscall
+429     common  mbind                           sys_ni_syscall
+430     common  get_mempolicy                   sys_ni_syscall
+431     common  set_mempolicy                   sys_ni_syscall
+432     common  mq_open                         sys_mq_open
+433     common  mq_unlink                       sys_mq_unlink
+434     common  mq_timedsend                    sys_mq_timedsend
+435     common  mq_timedreceive                 sys_mq_timedreceive
+436     common  mq_notify                       sys_mq_notify
+437     common  mq_getsetattr                   sys_mq_getsetattr
+438     common  waitid                          sys_waitid
+439     common  add_key                         sys_add_key
+440     common  request_key                     sys_request_key
+441     common  keyctl                          sys_keyctl
+442     common  ioprio_set                      sys_ioprio_set
+443     common  ioprio_get                      sys_ioprio_get
+444     common  inotify_init                    sys_inotify_init
+445     common  inotify_add_watch               sys_inotify_add_watch
+446     common  inotify_rm_watch                sys_inotify_rm_watch
+447     common  fdatasync                       sys_fdatasync
+448     common  kexec_load                      sys_kexec_load
+449     common  migrate_pages                   sys_migrate_pages
+450     common  openat                          sys_openat
+451     common  mkdirat                         sys_mkdirat
+452     common  mknodat                         sys_mknodat
+453     common  fchownat                        sys_fchownat
+454     common  futimesat                       sys_futimesat
+455     common  fstatat64                       sys_fstatat64
+456     common  unlinkat                        sys_unlinkat
+457     common  renameat                        sys_renameat
+458     common  linkat                          sys_linkat
+459     common  symlinkat                       sys_symlinkat
+460     common  readlinkat                      sys_readlinkat
+461     common  fchmodat                        sys_fchmodat
+462     common  faccessat                       sys_faccessat
+463     common  pselect6                        sys_pselect6
+464     common  ppoll                           sys_ppoll
+465     common  unshare                         sys_unshare
+466     common  set_robust_list                 sys_set_robust_list
+467     common  get_robust_list                 sys_get_robust_list
+468     common  splice                          sys_splice
+469     common  sync_file_range                 sys_sync_file_range
+470     common  tee                             sys_tee
+471     common  vmsplice                        sys_vmsplice
+472     common  move_pages                      sys_move_pages
+473     common  getcpu                          sys_getcpu
+474     common  epoll_pwait                     sys_epoll_pwait
+475     common  utimensat                       sys_utimensat
+476     common  signalfd                        sys_signalfd
+477     common  timerfd                         sys_ni_syscall
+478     common  eventfd                         sys_eventfd
+479     common  recvmmsg                        sys_recvmmsg
+480     common  fallocate                       sys_fallocate
+481     common  timerfd_create                  sys_timerfd_create
+482     common  timerfd_settime                 sys_timerfd_settime
+483     common  timerfd_gettime                 sys_timerfd_gettime
+484     common  signalfd4                       sys_signalfd4
+485     common  eventfd2                        sys_eventfd2
+486     common  epoll_create1                   sys_epoll_create1
+487     common  dup3                            sys_dup3
+488     common  pipe2                           sys_pipe2
+489     common  inotify_init1                   sys_inotify_init1
+490     common  preadv                          sys_preadv
+491     common  pwritev                         sys_pwritev
+492     common  rt_tgsigqueueinfo               sys_rt_tgsigqueueinfo
+493     common  perf_event_open                 sys_perf_event_open
+494     common  fanotify_init                   sys_fanotify_init
+495     common  fanotify_mark                   sys_fanotify_mark
+496     common  prlimit64                       sys_prlimit64
+497     common  name_to_handle_at               sys_name_to_handle_at
+498     common  open_by_handle_at               sys_open_by_handle_at
+499     common  clock_adjtime                   sys_clock_adjtime
+500     common  syncfs                          sys_syncfs
+501     common  setns                           sys_setns
+502     common  accept4                         sys_accept4
+503     common  sendmmsg                        sys_sendmmsg
+504     common  process_vm_readv                sys_process_vm_readv
+505     common  process_vm_writev               sys_process_vm_writev
+506     common  kcmp                            sys_kcmp
+507     common  finit_module                    sys_finit_module
+508     common  sched_setattr                   sys_sched_setattr
+509     common  sched_getattr                   sys_sched_getattr
+510     common  renameat2                       sys_renameat2
+511     common  getrandom                       sys_getrandom
+512     common  memfd_create                    sys_memfd_create
+513     common  execveat                        sys_execveat
+514     common  seccomp                         sys_seccomp
+515     common  bpf                             sys_bpf
+516     common  userfaultfd                     sys_userfaultfd
+517     common  membarrier                      sys_membarrier
+518     common  mlock2                          sys_mlock2
+519     common  copy_file_range                 sys_copy_file_range
+520     common  preadv2                         sys_preadv2
+521     common  pwritev2                        sys_pwritev2
+522     common  statx                           sys_statx
diff --git a/arch/alpha/kernel/syscalls/syscallhdr.sh b/arch/alpha/kernel/syscalls/syscallhdr.sh
new file mode 100644
index 0000000..e71b902
--- /dev/null
+++ b/arch/alpha/kernel/syscalls/syscallhdr.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+in="$1"
+out="$2"
+my_abis=`echo "($3)" | tr ',' '|'`
+prefix="$4"
+offset="$5"
+
+fileguard=_UAPI_ALPHA_`basename "$out" | sed \
+    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
+    -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'`
+grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | (
+    echo "#ifndef ${fileguard}"
+    echo "#define ${fileguard}"
+    echo ""
+
+    nxt=0
+    while read nr abi name entry ; do
+	if [ -z "$offset" ]; then
+	    echo -e "#define __NR_${prefix}${name}\t$nr"
+	else
+	    echo -e "#define __NR_${prefix}${name}\t($offset + $nr)"
+	fi
+	nxt=$nr
+	let nxt=nxt+1
+    done
+
+    echo ""
+    echo -e "#define __NR_syscalls\t$nxt"
+    echo ""
+    echo "#endif /* ${fileguard} */"
+) > "$out"
diff --git a/arch/alpha/kernel/syscalls/syscalltbl.sh b/arch/alpha/kernel/syscalls/syscalltbl.sh
new file mode 100644
index 0000000..4f5cebd
--- /dev/null
+++ b/arch/alpha/kernel/syscalls/syscalltbl.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+in="$1"
+out="$2"
+abi="$3"
+
+emit() {
+    nxt="$1"
+    nr="$2"
+    entry="$3"
+
+    while [ $nxt -lt $nr ]; do
+	echo "__SYSCALL($nxt, sys_ni_syscall, )"
+        let nxt=nxt+1
+    done
+
+    echo "__SYSCALL($nr, $entry, )"
+}
+
+grep '^[0-9]' "$in" | sort -n | (
+    nxt=0
+    while read nr abi name entry ; do
+	emit $nxt $nr $entry
+	nxt=$nr
+	let nxt=nxt+1
+    done
+) > "$out"
-- 
2.7.4




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