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authorRussell King <rmk+kernel@armlinux.org.uk>2016-12-14 12:14:00 +0100
committerRussell King <rmk+kernel@armlinux.org.uk>2016-12-14 12:14:00 +0100
commited141f2890cdb738fc7131367f5fb15632bc3e60 (patch)
treee6fd1b117b7d8968855e7f2d2f209ae102bf0be8 /arch/arm/tools
parentMerge branches 'clkdev', 'fixes', 'misc' and 'sa1100-base' into for-linus (diff)
parentARM: wire up new pkey syscalls (diff)
downloadlinux-ed141f2890cdb738fc7131367f5fb15632bc3e60.tar.xz
linux-ed141f2890cdb738fc7131367f5fb15632bc3e60.zip
Merge branch 'syscalls' into for-linus
Conflicts: arch/arm/include/asm/unistd.h arch/arm/include/uapi/asm/unistd.h arch/arm/kernel/calls.S
Diffstat (limited to 'arch/arm/tools')
-rw-r--r--arch/arm/tools/Makefile68
-rw-r--r--arch/arm/tools/syscall.tbl413
-rw-r--r--arch/arm/tools/syscallhdr.sh30
-rw-r--r--arch/arm/tools/syscallnr.sh33
-rw-r--r--arch/arm/tools/syscalltbl.sh21
5 files changed, 564 insertions, 1 deletions
diff --git a/arch/arm/tools/Makefile b/arch/arm/tools/Makefile
index 6e4cd1867a9f..92eb5c3b486c 100644
--- a/arch/arm/tools/Makefile
+++ b/arch/arm/tools/Makefile
@@ -4,10 +4,76 @@
# Copyright (C) 2001 Russell King
#
+gen := arch/$(ARCH)/include/generated
+kapi := $(gen)/asm
+uapi := $(gen)/uapi/asm
+syshdr := $(srctree)/$(src)/syscallhdr.sh
+sysnr := $(srctree)/$(src)/syscallnr.sh
+systbl := $(srctree)/$(src)/syscalltbl.sh
+syscall := $(srctree)/$(src)/syscall.tbl
+
+gen-y := $(gen)/calls-oabi.S
+gen-y += $(gen)/calls-eabi.S
+kapi-hdrs-y := $(kapi)/unistd-nr.h
+kapi-hdrs-y += $(kapi)/mach-types.h
+uapi-hdrs-y := $(uapi)/unistd-common.h
+uapi-hdrs-y += $(uapi)/unistd-oabi.h
+uapi-hdrs-y += $(uapi)/unistd-eabi.h
+
+targets += $(addprefix ../../../,$(gen-y) $(kapi-hdrs-y) $(uapi-hdrs-y))
+
+PHONY += kapi uapi
+
+kapi: $(kapi-hdrs-y) $(gen-y)
+
+uapi: $(uapi-hdrs-y)
+
+# Create output directory if not already present
+_dummy := $(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)') \
+ $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)')
+
quiet_cmd_gen_mach = GEN $@
cmd_gen_mach = mkdir -p $(dir $@) && \
$(AWK) -f $(filter-out $(PHONY),$^) > $@ || \
{ rm -f $@; /bin/false; }
-include/generated/mach-types.h: $(src)/gen-mach-types $(src)/mach-types FORCE
+$(kapi)/mach-types.h: $(src)/gen-mach-types $(src)/mach-types FORCE
$(call if_changed,gen_mach)
+
+quiet_cmd_syshdr = SYSHDR $@
+ cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@' \
+ '$(syshdr_abi_$(basetarget))' \
+ '$(syshdr_pfx_$(basetarget))' \
+ '__NR_SYSCALL_BASE'
+
+quiet_cmd_systbl = SYSTBL $@
+ cmd_systbl = $(CONFIG_SHELL) '$(systbl)' '$<' '$@' \
+ '$(systbl_abi_$(basetarget))'
+
+quiet_cmd_sysnr = SYSNR $@
+ cmd_sysnr = $(CONFIG_SHELL) '$(sysnr)' '$<' '$@' \
+ '$(syshdr_abi_$(basetarget))'
+
+syshdr_abi_unistd-common := common
+$(uapi)/unistd-common.h: $(syscall) $(syshdr) FORCE
+ $(call if_changed,syshdr)
+
+syshdr_abi_unistd-oabi := oabi
+$(uapi)/unistd-oabi.h: $(syscall) $(syshdr) FORCE
+ $(call if_changed,syshdr)
+
+syshdr_abi_unistd-eabi := eabi
+$(uapi)/unistd-eabi.h: $(syscall) $(syshdr) FORCE
+ $(call if_changed,syshdr)
+
+sysnr_abi_unistd-nr := common,oabi,eabi,compat
+$(kapi)/unistd-nr.h: $(syscall) $(sysnr) FORCE
+ $(call if_changed,sysnr)
+
+systbl_abi_calls-oabi := common,oabi
+$(gen)/calls-oabi.S: $(syscall) $(systbl) FORCE
+ $(call if_changed,systbl)
+
+systbl_abi_calls-eabi := common,eabi
+$(gen)/calls-eabi.S: $(syscall) $(systbl) FORCE
+ $(call if_changed,systbl)
diff --git a/arch/arm/tools/syscall.tbl b/arch/arm/tools/syscall.tbl
new file mode 100644
index 000000000000..3c2cb5d5adfa
--- /dev/null
+++ b/arch/arm/tools/syscall.tbl
@@ -0,0 +1,413 @@
+#
+# Linux system call numbers and entry vectors
+#
+# The format is:
+# <num> <abi> <name> [<entry point> [<oabi compat entry point>]]
+#
+# Where abi is:
+# common - for system calls shared between oabi and eabi (may have compat)
+# oabi - for oabi-only system calls (may have compat)
+# eabi - for eabi-only system calls
+#
+# For each syscall number, "common" is mutually exclusive with oabi and eabi
+#
+0 common restart_syscall sys_restart_syscall
+1 common exit sys_exit
+2 common fork sys_fork
+3 common read sys_read
+4 common write sys_write
+5 common open sys_open
+6 common close sys_close
+# 7 was sys_waitpid
+8 common creat sys_creat
+9 common link sys_link
+10 common unlink sys_unlink
+11 common execve sys_execve
+12 common chdir sys_chdir
+13 oabi time sys_time
+14 common mknod sys_mknod
+15 common chmod sys_chmod
+16 common lchown sys_lchown16
+# 17 was sys_break
+# 18 was sys_stat
+19 common lseek sys_lseek
+20 common getpid sys_getpid
+21 common mount sys_mount
+22 oabi umount sys_oldumount
+23 common setuid sys_setuid16
+24 common getuid sys_getuid16
+25 oabi stime sys_stime
+26 common ptrace sys_ptrace
+27 oabi alarm sys_alarm
+# 28 was sys_fstat
+29 common pause sys_pause
+30 oabi utime sys_utime
+# 31 was sys_stty
+# 32 was sys_gtty
+33 common access sys_access
+34 common nice sys_nice
+# 35 was sys_ftime
+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
+# 44 was sys_prof
+45 common brk sys_brk
+46 common setgid sys_setgid16
+47 common getgid sys_getgid16
+# 48 was sys_signal
+49 common geteuid sys_geteuid16
+50 common getegid sys_getegid16
+51 common acct sys_acct
+52 common umount2 sys_umount
+# 53 was sys_lock
+54 common ioctl sys_ioctl
+55 common fcntl sys_fcntl
+# 56 was sys_mpx
+57 common setpgid sys_setpgid
+# 58 was sys_ulimit
+# 59 was sys_olduname
+60 common umask sys_umask
+61 common chroot sys_chroot
+62 common ustat sys_ustat
+63 common dup2 sys_dup2
+64 common getppid sys_getppid
+65 common getpgrp sys_getpgrp
+66 common setsid sys_setsid
+67 common sigaction sys_sigaction
+# 68 was sys_sgetmask
+# 69 was sys_ssetmask
+70 common setreuid sys_setreuid16
+71 common setregid sys_setregid16
+72 common sigsuspend sys_sigsuspend
+73 common sigpending sys_sigpending
+74 common sethostname sys_sethostname
+75 common setrlimit sys_setrlimit
+# Back compat 2GB limited rlimit
+76 oabi getrlimit sys_old_getrlimit
+77 common getrusage sys_getrusage
+78 common gettimeofday sys_gettimeofday
+79 common settimeofday sys_settimeofday
+80 common getgroups sys_getgroups16
+81 common setgroups sys_setgroups16
+82 oabi select sys_old_select
+83 common symlink sys_symlink
+# 84 was sys_lstat
+85 common readlink sys_readlink
+86 common uselib sys_uselib
+87 common swapon sys_swapon
+88 common reboot sys_reboot
+89 oabi readdir sys_old_readdir
+90 oabi mmap sys_old_mmap
+91 common munmap sys_munmap
+92 common truncate sys_truncate
+93 common ftruncate sys_ftruncate
+94 common fchmod sys_fchmod
+95 common fchown sys_fchown16
+96 common getpriority sys_getpriority
+97 common setpriority sys_setpriority
+# 98 was sys_profil
+99 common statfs sys_statfs
+100 common fstatfs sys_fstatfs
+# 101 was sys_ioperm
+102 oabi socketcall sys_socketcall sys_oabi_socketcall
+103 common syslog sys_syslog
+104 common setitimer sys_setitimer
+105 common getitimer sys_getitimer
+106 common stat sys_newstat
+107 common lstat sys_newlstat
+108 common fstat sys_newfstat
+# 109 was sys_uname
+# 110 was sys_iopl
+111 common vhangup sys_vhangup
+# 112 was sys_idle
+# syscall to call a syscall!
+113 oabi syscall sys_syscall
+114 common wait4 sys_wait4
+115 common swapoff sys_swapoff
+116 common sysinfo sys_sysinfo
+117 oabi ipc sys_ipc sys_oabi_ipc
+118 common fsync sys_fsync
+119 common sigreturn sys_sigreturn_wrapper
+120 common clone sys_clone
+121 common setdomainname sys_setdomainname
+122 common uname sys_newuname
+# 123 was sys_modify_ldt
+124 common adjtimex sys_adjtimex
+125 common mprotect sys_mprotect
+126 common sigprocmask sys_sigprocmask
+# 127 was sys_create_module
+128 common init_module sys_init_module
+129 common delete_module sys_delete_module
+# 130 was sys_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 common personality sys_personality
+# 137 was sys_afs_syscall
+138 common setfsuid sys_setfsuid16
+139 common setfsgid sys_setfsgid16
+140 common _llseek sys_llseek
+141 common getdents sys_getdents
+142 common _newselect sys_select
+143 common flock sys_flock
+144 common msync sys_msync
+145 common readv sys_readv
+146 common writev sys_writev
+147 common getsid sys_getsid
+148 common fdatasync sys_fdatasync
+149 common _sysctl 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
+162 common nanosleep sys_nanosleep
+163 common mremap sys_mremap
+164 common setresuid sys_setresuid16
+165 common getresuid sys_getresuid16
+# 166 was sys_vm86
+# 167 was sys_query_module
+168 common poll sys_poll
+169 common nfsservctl
+170 common setresgid sys_setresgid16
+171 common getresgid sys_getresgid16
+172 common prctl sys_prctl
+173 common rt_sigreturn sys_rt_sigreturn_wrapper
+174 common rt_sigaction sys_rt_sigaction
+175 common rt_sigprocmask sys_rt_sigprocmask
+176 common rt_sigpending sys_rt_sigpending
+177 common rt_sigtimedwait sys_rt_sigtimedwait
+178 common rt_sigqueueinfo sys_rt_sigqueueinfo
+179 common rt_sigsuspend sys_rt_sigsuspend
+180 common pread64 sys_pread64 sys_oabi_pread64
+181 common pwrite64 sys_pwrite64 sys_oabi_pwrite64
+182 common chown sys_chown16
+183 common getcwd sys_getcwd
+184 common capget sys_capget
+185 common capset sys_capset
+186 common sigaltstack sys_sigaltstack
+187 common sendfile sys_sendfile
+# 188 reserved
+# 189 reserved
+190 common vfork sys_vfork
+# SuS compliant getrlimit
+191 common ugetrlimit sys_getrlimit
+192 common mmap2 sys_mmap2
+193 common truncate64 sys_truncate64 sys_oabi_truncate64
+194 common ftruncate64 sys_ftruncate64 sys_oabi_ftruncate64
+195 common stat64 sys_stat64 sys_oabi_stat64
+196 common lstat64 sys_lstat64 sys_oabi_lstat64
+197 common fstat64 sys_fstat64 sys_oabi_fstat64
+198 common lchown32 sys_lchown
+199 common getuid32 sys_getuid
+200 common getgid32 sys_getgid
+201 common geteuid32 sys_geteuid
+202 common getegid32 sys_getegid
+203 common setreuid32 sys_setreuid
+204 common setregid32 sys_setregid
+205 common getgroups32 sys_getgroups
+206 common setgroups32 sys_setgroups
+207 common fchown32 sys_fchown
+208 common setresuid32 sys_setresuid
+209 common getresuid32 sys_getresuid
+210 common setresgid32 sys_setresgid
+211 common getresgid32 sys_getresgid
+212 common chown32 sys_chown
+213 common setuid32 sys_setuid
+214 common setgid32 sys_setgid
+215 common setfsuid32 sys_setfsuid
+216 common setfsgid32 sys_setfsgid
+217 common getdents64 sys_getdents64
+218 common pivot_root sys_pivot_root
+219 common mincore sys_mincore
+220 common madvise sys_madvise
+221 common fcntl64 sys_fcntl64 sys_oabi_fcntl64
+# 222 for tux
+# 223 is unused
+224 common gettid sys_gettid
+225 common readahead sys_readahead sys_oabi_readahead
+226 common setxattr sys_setxattr
+227 common lsetxattr sys_lsetxattr
+228 common fsetxattr sys_fsetxattr
+229 common getxattr sys_getxattr
+230 common lgetxattr sys_lgetxattr
+231 common fgetxattr sys_fgetxattr
+232 common listxattr sys_listxattr
+233 common llistxattr sys_llistxattr
+234 common flistxattr sys_flistxattr
+235 common removexattr sys_removexattr
+236 common lremovexattr sys_lremovexattr
+237 common fremovexattr sys_fremovexattr
+238 common tkill sys_tkill
+239 common sendfile64 sys_sendfile64
+240 common futex sys_futex
+241 common sched_setaffinity sys_sched_setaffinity
+242 common sched_getaffinity sys_sched_getaffinity
+243 common io_setup sys_io_setup
+244 common io_destroy sys_io_destroy
+245 common io_getevents sys_io_getevents
+246 common io_submit sys_io_submit
+247 common io_cancel sys_io_cancel
+248 common exit_group sys_exit_group
+249 common lookup_dcookie sys_lookup_dcookie
+250 common epoll_create sys_epoll_create
+251 common epoll_ctl sys_epoll_ctl sys_oabi_epoll_ctl
+252 common epoll_wait sys_epoll_wait sys_oabi_epoll_wait
+253 common remap_file_pages sys_remap_file_pages
+# 254 for set_thread_area
+# 255 for get_thread_area
+256 common set_tid_address sys_set_tid_address
+257 common timer_create sys_timer_create
+258 common timer_settime sys_timer_settime
+259 common timer_gettime sys_timer_gettime
+260 common timer_getoverrun sys_timer_getoverrun
+261 common timer_delete sys_timer_delete
+262 common clock_settime sys_clock_settime
+263 common clock_gettime sys_clock_gettime
+264 common clock_getres sys_clock_getres
+265 common clock_nanosleep sys_clock_nanosleep
+266 common statfs64 sys_statfs64_wrapper
+267 common fstatfs64 sys_fstatfs64_wrapper
+268 common tgkill sys_tgkill
+269 common utimes sys_utimes
+270 common arm_fadvise64_64 sys_arm_fadvise64_64
+271 common pciconfig_iobase sys_pciconfig_iobase
+272 common pciconfig_read sys_pciconfig_read
+273 common pciconfig_write sys_pciconfig_write
+274 common mq_open sys_mq_open
+275 common mq_unlink sys_mq_unlink
+276 common mq_timedsend sys_mq_timedsend
+277 common mq_timedreceive sys_mq_timedreceive
+278 common mq_notify sys_mq_notify
+279 common mq_getsetattr sys_mq_getsetattr
+280 common waitid sys_waitid
+281 common socket sys_socket
+282 common bind sys_bind sys_oabi_bind
+283 common connect sys_connect sys_oabi_connect
+284 common listen sys_listen
+285 common accept sys_accept
+286 common getsockname sys_getsockname
+287 common getpeername sys_getpeername
+288 common socketpair sys_socketpair
+289 common send sys_send
+290 common sendto sys_sendto sys_oabi_sendto
+291 common recv sys_recv
+292 common recvfrom sys_recvfrom
+293 common shutdown sys_shutdown
+294 common setsockopt sys_setsockopt
+295 common getsockopt sys_getsockopt
+296 common sendmsg sys_sendmsg sys_oabi_sendmsg
+297 common recvmsg sys_recvmsg
+298 common semop sys_semop sys_oabi_semop
+299 common semget sys_semget
+300 common semctl sys_semctl
+301 common msgsnd sys_msgsnd
+302 common msgrcv sys_msgrcv
+303 common msgget sys_msgget
+304 common msgctl sys_msgctl
+305 common shmat sys_shmat
+306 common shmdt sys_shmdt
+307 common shmget sys_shmget
+308 common shmctl sys_shmctl
+309 common add_key sys_add_key
+310 common request_key sys_request_key
+311 common keyctl sys_keyctl
+312 common semtimedop sys_semtimedop sys_oabi_semtimedop
+313 common vserver
+314 common ioprio_set sys_ioprio_set
+315 common ioprio_get sys_ioprio_get
+316 common inotify_init sys_inotify_init
+317 common inotify_add_watch sys_inotify_add_watch
+318 common inotify_rm_watch sys_inotify_rm_watch
+319 common mbind sys_mbind
+320 common get_mempolicy sys_get_mempolicy
+321 common set_mempolicy sys_set_mempolicy
+322 common openat sys_openat
+323 common mkdirat sys_mkdirat
+324 common mknodat sys_mknodat
+325 common fchownat sys_fchownat
+326 common futimesat sys_futimesat
+327 common fstatat64 sys_fstatat64 sys_oabi_fstatat64
+328 common unlinkat sys_unlinkat
+329 common renameat sys_renameat
+330 common linkat sys_linkat
+331 common symlinkat sys_symlinkat
+332 common readlinkat sys_readlinkat
+333 common fchmodat sys_fchmodat
+334 common faccessat sys_faccessat
+335 common pselect6 sys_pselect6
+336 common ppoll sys_ppoll
+337 common unshare sys_unshare
+338 common set_robust_list sys_set_robust_list
+339 common get_robust_list sys_get_robust_list
+340 common splice sys_splice
+341 common arm_sync_file_range sys_sync_file_range2
+342 common tee sys_tee
+343 common vmsplice sys_vmsplice
+344 common move_pages sys_move_pages
+345 common getcpu sys_getcpu
+346 common epoll_pwait sys_epoll_pwait
+347 common kexec_load sys_kexec_load
+348 common utimensat sys_utimensat
+349 common signalfd sys_signalfd
+350 common timerfd_create sys_timerfd_create
+351 common eventfd sys_eventfd
+352 common fallocate sys_fallocate
+353 common timerfd_settime sys_timerfd_settime
+354 common timerfd_gettime sys_timerfd_gettime
+355 common signalfd4 sys_signalfd4
+356 common eventfd2 sys_eventfd2
+357 common epoll_create1 sys_epoll_create1
+358 common dup3 sys_dup3
+359 common pipe2 sys_pipe2
+360 common inotify_init1 sys_inotify_init1
+361 common preadv sys_preadv
+362 common pwritev sys_pwritev
+363 common rt_tgsigqueueinfo sys_rt_tgsigqueueinfo
+364 common perf_event_open sys_perf_event_open
+365 common recvmmsg sys_recvmmsg
+366 common accept4 sys_accept4
+367 common fanotify_init sys_fanotify_init
+368 common fanotify_mark sys_fanotify_mark
+369 common prlimit64 sys_prlimit64
+370 common name_to_handle_at sys_name_to_handle_at
+371 common open_by_handle_at sys_open_by_handle_at
+372 common clock_adjtime sys_clock_adjtime
+373 common syncfs sys_syncfs
+374 common sendmmsg sys_sendmmsg
+375 common setns sys_setns
+376 common process_vm_readv sys_process_vm_readv
+377 common process_vm_writev sys_process_vm_writev
+378 common kcmp sys_kcmp
+379 common finit_module sys_finit_module
+380 common sched_setattr sys_sched_setattr
+381 common sched_getattr sys_sched_getattr
+382 common renameat2 sys_renameat2
+383 common seccomp sys_seccomp
+384 common getrandom sys_getrandom
+385 common memfd_create sys_memfd_create
+386 common bpf sys_bpf
+387 common execveat sys_execveat
+388 common userfaultfd sys_userfaultfd
+389 common membarrier sys_membarrier
+390 common mlock2 sys_mlock2
+391 common copy_file_range sys_copy_file_range
+392 common preadv2 sys_preadv2
+393 common pwritev2 sys_pwritev2
+394 common pkey_mprotect sys_pkey_mprotect
+395 common pkey_alloc sys_pkey_alloc
+396 common pkey_free sys_pkey_free
diff --git a/arch/arm/tools/syscallhdr.sh b/arch/arm/tools/syscallhdr.sh
new file mode 100644
index 000000000000..72d4b2e3bdec
--- /dev/null
+++ b/arch/arm/tools/syscallhdr.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+
+in="$1"
+out="$2"
+my_abis=`echo "($3)" | tr ',' '|'`
+prefix="$4"
+offset="$5"
+
+fileguard=_ASM_ARM_`basename "$out" | sed \
+ -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
+ -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'`
+if echo $out | grep -q uapi; then
+ fileguard="_UAPI$fileguard"
+fi
+grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | (
+ echo "#ifndef ${fileguard}"
+ echo "#define ${fileguard} 1"
+ echo ""
+
+ while read nr abi name entry ; do
+ if [ -z "$offset" ]; then
+ echo "#define __NR_${prefix}${name} $nr"
+ else
+ echo "#define __NR_${prefix}${name} ($offset + $nr)"
+ fi
+ done
+
+ echo ""
+ echo "#endif /* ${fileguard} */"
+) > "$out"
diff --git a/arch/arm/tools/syscallnr.sh b/arch/arm/tools/syscallnr.sh
new file mode 100644
index 000000000000..d2971296469a
--- /dev/null
+++ b/arch/arm/tools/syscallnr.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+in="$1"
+out="$2"
+my_abis=`echo "($3)" | tr ',' '|'`
+align=1
+
+fileguard=_ASM_ARM_`basename "$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 | tail -n1 | (
+ echo "#ifndef ${fileguard}
+#define ${fileguard} 1
+
+/*
+ * This needs to be greater than __NR_last_syscall+1 in order to account
+ * for the padding in the syscall table.
+ */
+"
+
+ while read nr abi name entry; do
+ nr=$(($nr + 1))
+ while [ "$(($nr / (256 * $align) ))" -gt 0 ]; do
+ align=$(( $align * 4 ))
+ done
+ nr=$(( ($nr + $align - 1) & ~($align - 1) ))
+ echo "/* aligned to $align */"
+ echo "#define __NR_syscalls $nr"
+ done
+
+ echo ""
+ echo "#endif /* ${fileguard} */"
+) > "$out"
diff --git a/arch/arm/tools/syscalltbl.sh b/arch/arm/tools/syscalltbl.sh
new file mode 100644
index 000000000000..5ca834545ed3
--- /dev/null
+++ b/arch/arm/tools/syscalltbl.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+in="$1"
+out="$2"
+my_abis=`echo "($3)" | tr ',' '|'`
+
+grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | (
+ while read nr abi name entry compat; do
+ if [ "$abi" = "eabi" -a -n "$compat" ]; then
+ echo "$in: error: a compat entry for an EABI syscall ($name) makes no sense" >&2
+ exit 1
+ fi
+
+ if [ -n "$entry" ]; then
+ if [ -z "$compat" ]; then
+ echo "NATIVE($nr, $entry)"
+ else
+ echo "COMPAT($nr, $entry, $compat)"
+ fi
+ fi
+ done
+) > "$out"