sh: add system call table generation support

# SPDX-License-Identifier: GPL-2.0

kapi := arch/$(SRCARCH)/include/generated/asm

uapi := arch/$(SRCARCH)/include/generated/uapi/asm

_dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)')	\

	  $(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)')

syscall := $(srctree)/$(src)/syscall.tbl

syshdr := $(srctree)/$(src)/syscallhdr.sh

systbl := $(srctree)/$(src)/syscalltbl.sh

quiet_cmd_syshdr = SYSHDR  $@

      cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@'	\

		   '$(syshdr_abis_$(basetarget))'		\

		   '$(syshdr_pfx_$(basetarget))'		\

		   '$(syshdr_offset_$(basetarget))'

quiet_cmd_systbl = SYSTBL  $@

      cmd_systbl = $(CONFIG_SHELL) '$(systbl)' '$<' '$@'	\

		   '$(systbl_abis_$(basetarget))'		\

		   '$(systbl_abi_$(basetarget))'		\

		   '$(systbl_offset_$(basetarget))'

$(uapi)/unistd_32.h: $(syscall) $(syshdr)

	$(call if_changed,syshdr)

$(kapi)/syscall_table.h: $(syscall) $(systbl)

	$(call if_changed,systbl)

uapisyshdr-y		+= unistd_32.h

kapisyshdr-y		+= syscall_table.h

targets	+= $(uapisyshdr-y) $(kapisyshdr-y)

PHONY += all

all: $(addprefix $(uapi)/,$(uapisyshdr-y))

all: $(addprefix $(kapi)/,$(kapisyshdr-y))

	@:

# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note

#

# system call numbers and entry vectors for sh

#

# The format is:

# <number> <abi> <name> <entry point>

#

# The <abi> is always "common" for this file

#

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	common	waitpid				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	common	time				sys_time

14	common	mknod				sys_mknod

15	common	chmod				sys_chmod

16	common	lchown				sys_lchown16

# 17 was break

18	common	oldstat				sys_stat

19	common	lseek				sys_lseek

20	common	getpid				sys_getpid

21	common	mount				sys_mount

22	common	umount				sys_oldumount

23	common	setuid				sys_setuid16

24	common	getuid				sys_getuid16

25	common	stime				sys_stime

26	common	ptrace				sys_ptrace

27	common	alarm				sys_alarm

28	common	oldfstat			sys_fstat

29	common	pause				sys_pause

30	common	utime				sys_utime

# 31 was stty

# 32 was gtty

33	common	access				sys_access

34	common	nice				sys_nice

# 35 was 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_sh_pipe

43	common	times				sys_times

# 44 was prof

45	common	brk				sys_brk

46	common	setgid				sys_setgid16

47	common	getgid				sys_getgid16

48	common	signal				sys_signal

49	common	geteuid				sys_geteuid16

50	common	getegid				sys_getegid16

51	common	acct				sys_acct

52	common	umount2				sys_umount

# 53 was lock

54	common	ioctl				sys_ioctl

55	common	fcntl				sys_fcntl

# 56 was mpx

57	common	setpgid				sys_setpgid

# 58 was ulimit

# 59 was 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	common	sgetmask			sys_sgetmask

69	common	ssetmask			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

76	common	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 was select

83	common	symlink				sys_symlink

84	common	oldlstat			sys_lstat

85	common	readlink			sys_readlink

86	common	uselib				sys_uselib

87	common	swapon				sys_swapon

88	common	reboot				sys_reboot

89	common	readdir				sys_old_readdir

90	common	mmap				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 profil

99	common	statfs				sys_statfs

100	common	fstatfs				sys_fstatfs

# 101 was ioperm

102	common	socketcall			sys_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	common	olduname			sys_uname

# 110 was iopl

111	common	vhangup				sys_vhangup

# 112 was idle

# 113 was vm86old

114	common	wait4				sys_wait4

115	common	swapoff				sys_swapoff

116	common	sysinfo				sys_sysinfo

117	common	ipc				sys_ipc

118	common	fsync				sys_fsync

119	common	sigreturn			sys_sigreturn

120	common	clone				sys_clone

121	common	setdomainname			sys_setdomainname

122	common	uname				sys_newuname

123	common	cacheflush			sys_cacheflush

124	common	adjtimex			sys_adjtimex

125	common	mprotect			sys_mprotect

126	common	sigprocmask			sys_sigprocmask

# 127 was create_module

128	common	init_module			sys_init_module

129	common	delete_module			sys_delete_module

# 130 was 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 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 vm86

# 167 was query_module

168	common	poll				sys_poll

169	common	nfsservctl			sys_ni_syscall

170	common	setresgid			sys_setresgid16

171	common	getresgid			sys_getresgid16

172	common	prctl				sys_prctl

173	common	rt_sigreturn			sys_rt_sigreturn

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_pread_wrapper

181	common	pwrite64			sys_pwrite_wrapper

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 is reserved for getpmsg

# 189 is reserved for putpmsg

190	common	vfork				sys_vfork

191	common	ugetrlimit			sys_getrlimit

192	common	mmap2				sys_mmap2

193	common	truncate64			sys_truncate64

194	common	ftruncate64			sys_ftruncate64

195	common	stat64				sys_stat64

196	common	lstat64				sys_lstat64

197	common	fstat64				sys_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	pivot_root			sys_pivot_root

218	common	mincore				sys_mincore

219	common	madvise				sys_madvise

220	common	getdents64			sys_getdents64

221	common	fcntl64				sys_fcntl64

# 222 is reserved for tux

# 223 is unused

224	common	gettid				sys_gettid

225	common	readahead			sys_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 is reserved for set_thread_area

# 244 is reserved for get_thread_area

245	common	io_setup			sys_io_setup

246	common	io_destroy			sys_io_destroy

247	common	io_getevents			sys_io_getevents

248	common	io_submit			sys_io_submit

249	common	io_cancel			sys_io_cancel

250	common	fadvise64			sys_fadvise64

# 251 is unused

252	common	exit_group			sys_exit_group

253	common	lookup_dcookie			sys_lookup_dcookie

254	common	epoll_create			sys_epoll_create

255	common	epoll_ctl			sys_epoll_ctl

256	common	epoll_wait			sys_epoll_wait

257	common	remap_file_pages		sys_remap_file_pages

258	common	set_tid_address			sys_set_tid_address

259	common	timer_create			sys_timer_create

260	common	timer_settime			sys_timer_settime

261	common	timer_gettime			sys_timer_gettime

262	common	timer_getoverrun		sys_timer_getoverrun

263	common	timer_delete			sys_timer_delete

264	common	clock_settime			sys_clock_settime

265	common	clock_gettime			sys_clock_gettime

266	common	clock_getres			sys_clock_getres

267	common	clock_nanosleep			sys_clock_nanosleep

268	common	statfs64			sys_statfs64

269	common	fstatfs64			sys_fstatfs64

270	common	tgkill				sys_tgkill

271	common	utimes				sys_utimes

272	common	fadvise64_64			sys_fadvise64_64_wrapper

# 273 is reserved for vserver

274	common	mbind				sys_mbind

275	common	get_mempolicy			sys_get_mempolicy

276	common	set_mempolicy			sys_set_mempolicy

277	common	mq_open				sys_mq_open

278	common	mq_unlink			sys_mq_unlink

279	common	mq_timedsend			sys_mq_timedsend

280	common	mq_timedreceive			sys_mq_timedreceive

281	common	mq_notify			sys_mq_notify

282	common	mq_getsetattr			sys_mq_getsetattr

283	common	kexec_load			sys_kexec_load

284	common	waitid				sys_waitid

285	common	add_key				sys_add_key

286	common	request_key			sys_request_key

287	common	keyctl				sys_keyctl

288	common	ioprio_set			sys_ioprio_set

289	common	ioprio_get			sys_ioprio_get

290	common	inotify_init			sys_inotify_init

291	common	inotify_add_watch		sys_inotify_add_watch

292	common	inotify_rm_watch		sys_inotify_rm_watch

# 293 is unused

294	common	migrate_pages			sys_migrate_pages

295	common	openat				sys_openat

296	common	mkdirat				sys_mkdirat

297	common	mknodat				sys_mknodat

298	common	fchownat			sys_fchownat

299	common	futimesat			sys_futimesat

300	common	fstatat64			sys_fstatat64

301	common	unlinkat			sys_unlinkat

302	common	renameat			sys_renameat

303	common	linkat				sys_linkat

304	common	symlinkat			sys_symlinkat

305	common	readlinkat			sys_readlinkat

306	common	fchmodat			sys_fchmodat

307	common	faccessat			sys_faccessat

308	common	pselect6			sys_pselect6

309	common	ppoll				sys_ppoll

310	common	unshare				sys_unshare

311	common	set_robust_list			sys_set_robust_list

312	common	get_robust_list			sys_get_robust_list

313	common	splice				sys_splice

314	common	sync_file_range			sys_sync_file_range

315	common	tee				sys_tee

316	common	vmsplice			sys_vmsplice

317	common	move_pages			sys_move_pages

318	common	getcpu				sys_getcpu

319	common	epoll_pwait			sys_epoll_pwait

320	common	utimensat			sys_utimensat

321	common	signalfd			sys_signalfd

322	common	timerfd_create			sys_timerfd_create

323	common	eventfd				sys_eventfd

324	common	fallocate			sys_fallocate

325	common	timerfd_settime			sys_timerfd_settime

326	common	timerfd_gettime			sys_timerfd_gettime

327	common	signalfd4			sys_signalfd4

328	common	eventfd2			sys_eventfd2

329	common	epoll_create1			sys_epoll_create1

330	common	dup3				sys_dup3

331	common	pipe2				sys_pipe2

332	common	inotify_init1			sys_inotify_init1

333	common	preadv				sys_preadv

334	common	pwritev				sys_pwritev

335	common	rt_tgsigqueueinfo		sys_rt_tgsigqueueinfo

336	common	perf_event_open			sys_perf_event_open

337	common	fanotify_init			sys_fanotify_init

338	common	fanotify_mark			sys_fanotify_mark

339	common	prlimit64			sys_prlimit64

340	common	socket				sys_socket

341	common	bind				sys_bind

342	common	connect				sys_connect

343	common	listen				sys_listen

344	common	accept				sys_accept

345	common	getsockname			sys_getsockname

346	common	getpeername			sys_getpeername

347	common	socketpair			sys_socketpair

348	common	send				sys_send

349	common	sendto				sys_sendto

350	common	recv				sys_recv

351	common	recvfrom			sys_recvfrom

352	common	shutdown			sys_shutdown

353	common	setsockopt			sys_setsockopt

354	common	getsockopt			sys_getsockopt

355	common	sendmsg				sys_sendmsg

356	common	recvmsg				sys_recvmsg

357	common	recvmmsg			sys_recvmmsg

358	common	accept4				sys_accept4

359	common	name_to_handle_at		sys_name_to_handle_at

360	common	open_by_handle_at		sys_open_by_handle_at

361	common	clock_adjtime			sys_clock_adjtime

362	common	syncfs				sys_syncfs

363	common	sendmmsg			sys_sendmmsg

364	common	setns				sys_setns

365	common	process_vm_readv		sys_process_vm_readv

366	common	process_vm_writev		sys_process_vm_writev

367	common	kcmp				sys_kcmp

368	common	finit_module			sys_finit_module

369	common	sched_getattr			sys_sched_getattr

370	common	sched_setattr			sys_sched_setattr

371	common	renameat2			sys_renameat2

372	common	seccomp				sys_seccomp

373	common	getrandom			sys_getrandom

374	common	memfd_create			sys_memfd_create

375	common	bpf				sys_bpf

376	common	execveat			sys_execveat

377	common	userfaultfd			sys_userfaultfd

378	common	membarrier			sys_membarrier

379	common	mlock2				sys_mlock2

380	common	copy_file_range			sys_copy_file_range

381	common	preadv2				sys_preadv2

382	common	pwritev2			sys_pwritev2

#!/bin/sh

# SPDX-License-Identifier: GPL-2.0

in="$1"

out="$2"

my_abis=`echo "($3)" | tr ',' '|'`

prefix="$4"

offset="$5"

fileguard=_UAPI_ASM_SH_`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 | (

	printf "#ifndef %s\n" "${fileguard}"

	printf "#define %s\n" "${fileguard}"

	printf "\n"

	nxt=0

	while read nr abi name entry ; do

		if [ -z "$offset" ]; then

			printf "#define __NR_%s%s\t%s\n" \

				"${prefix}" "${name}" "${nr}"

		else

			printf "#define __NR_%s%s\t(%s + %s)\n" \

				"${prefix}" "${name}" "${offset}" "${nr}"

		fi

		nxt=$((nr+1))

	done

	printf "\n"

	printf "#ifdef __KERNEL__\n"

	printf "#define __NR_syscalls\t%s\n" "${nxt}"

	printf "#endif\n"

	printf "\n"

	printf "#endif /* %s */" "${fileguard}"

) > "$out"

#!/bin/sh

# SPDX-License-Identifier: GPL-2.0

in="$1"

out="$2"

my_abis=`echo "($3)" | tr ',' '|'`

my_abi="$4"

offset="$5"

emit() {

	t_nxt="$1"

	t_nr="$2"

	t_entry="$3"

	while [ $t_nxt -lt $t_nr ]; do

		printf "__SYSCALL(%s, sys_ni_syscall, )\n" "${t_nxt}"

		t_nxt=$((t_nxt+1))

	done

	printf "__SYSCALL(%s, %s, )\n" "${t_nxt}" "${t_entry}"

}

grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | (

	nxt=0

	if [ -z "$offset" ]; then

		offset=0

	fi

	while read nr abi name entry ; do

		emit $((nxt+offset)) $((nr+offset)) $entry

		nxt=$((nr+1))

	done

) > "$out"