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1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0
3#
4# Check if current architecture are missing any function calls compared
5# to i386.
6# i386 define a number of legacy system calls that are i386 specific
7# and listed below so they are ignored.
8#
9# Usage:
10# checksyscalls.sh gcc gcc-options
11#
12
13ignore_list() {
14cat << EOF
15#include <asm/types.h>
16#include <asm/unistd.h>
17
18/* *at */
19#define __IGNORE_open /* openat */
20#define __IGNORE_link /* linkat */
21#define __IGNORE_unlink /* unlinkat */
22#define __IGNORE_mknod /* mknodat */
23#define __IGNORE_chmod /* fchmodat */
24#define __IGNORE_chown /* fchownat */
25#define __IGNORE_mkdir /* mkdirat */
26#define __IGNORE_rmdir /* unlinkat */
27#define __IGNORE_lchown /* fchownat */
28#define __IGNORE_access /* faccessat */
29#define __IGNORE_rename /* renameat2 */
30#define __IGNORE_readlink /* readlinkat */
31#define __IGNORE_symlink /* symlinkat */
32#define __IGNORE_utimes /* futimesat */
33#define __IGNORE_stat /* fstatat */
34#define __IGNORE_lstat /* fstatat */
35#define __IGNORE_stat64 /* fstatat64 */
36#define __IGNORE_lstat64 /* fstatat64 */
37
38#ifndef __ARCH_WANT_SET_GET_RLIMIT
39#define __IGNORE_getrlimit /* getrlimit */
40#define __IGNORE_setrlimit /* setrlimit */
41#endif
42
43#ifndef __ARCH_WANT_MEMFD_SECRET
44#define __IGNORE_memfd_secret
45#endif
46
47/* Missing flags argument */
48#define __IGNORE_renameat /* renameat2 */
49
50/* CLOEXEC flag */
51#define __IGNORE_pipe /* pipe2 */
52#define __IGNORE_dup2 /* dup3 */
53#define __IGNORE_epoll_create /* epoll_create1 */
54#define __IGNORE_inotify_init /* inotify_init1 */
55#define __IGNORE_eventfd /* eventfd2 */
56#define __IGNORE_signalfd /* signalfd4 */
57
58/* MMU */
59#ifndef CONFIG_MMU
60#define __IGNORE_madvise
61#define __IGNORE_mbind
62#define __IGNORE_mincore
63#define __IGNORE_mlock
64#define __IGNORE_mlockall
65#define __IGNORE_munlock
66#define __IGNORE_munlockall
67#define __IGNORE_mprotect
68#define __IGNORE_msync
69#define __IGNORE_migrate_pages
70#define __IGNORE_move_pages
71#define __IGNORE_remap_file_pages
72#define __IGNORE_get_mempolicy
73#define __IGNORE_set_mempolicy
74#define __IGNORE_swapoff
75#define __IGNORE_swapon
76#endif
77
78/* System calls for 32-bit kernels only */
79#if BITS_PER_LONG == 64
80#define __IGNORE_sendfile64
81#define __IGNORE_ftruncate64
82#define __IGNORE_truncate64
83#define __IGNORE_stat64
84#define __IGNORE_lstat64
85#define __IGNORE_fcntl64
86#define __IGNORE_fadvise64_64
87#define __IGNORE_fstatfs64
88#define __IGNORE_statfs64
89#define __IGNORE_llseek
90#define __IGNORE_mmap2
91#define __IGNORE_clock_gettime64
92#define __IGNORE_clock_settime64
93#define __IGNORE_clock_adjtime64
94#define __IGNORE_clock_getres_time64
95#define __IGNORE_clock_nanosleep_time64
96#define __IGNORE_timer_gettime64
97#define __IGNORE_timer_settime64
98#define __IGNORE_timerfd_gettime64
99#define __IGNORE_timerfd_settime64
100#define __IGNORE_utimensat_time64
101#define __IGNORE_pselect6_time64
102#define __IGNORE_ppoll_time64
103#define __IGNORE_io_pgetevents_time64
104#define __IGNORE_recvmmsg_time64
105#define __IGNORE_mq_timedsend_time64
106#define __IGNORE_mq_timedreceive_time64
107#define __IGNORE_semtimedop_time64
108#define __IGNORE_rt_sigtimedwait_time64
109#define __IGNORE_futex_time64
110#define __IGNORE_sched_rr_get_interval_time64
111#else
112#define __IGNORE_sendfile
113#define __IGNORE_ftruncate
114#define __IGNORE_truncate
115#define __IGNORE_stat
116#define __IGNORE_lstat
117#define __IGNORE_fcntl
118#define __IGNORE_fadvise64
119#define __IGNORE_newfstatat
120#define __IGNORE_fstatfs
121#define __IGNORE_statfs
122#define __IGNORE_lseek
123#define __IGNORE_mmap
124#define __IGNORE_clock_gettime
125#define __IGNORE_clock_settime
126#define __IGNORE_clock_adjtime
127#define __IGNORE_clock_getres
128#define __IGNORE_clock_nanosleep
129#define __IGNORE_timer_gettime
130#define __IGNORE_timer_settime
131#define __IGNORE_timerfd_gettime
132#define __IGNORE_timerfd_settime
133#define __IGNORE_utimensat
134#define __IGNORE_pselect6
135#define __IGNORE_ppoll
136#define __IGNORE_io_pgetevents
137#define __IGNORE_recvmmsg
138#define __IGNORE_mq_timedsend
139#define __IGNORE_mq_timedreceive
140#define __IGNORE_semtimedop
141#define __IGNORE_rt_sigtimedwait
142#define __IGNORE_futex
143#define __IGNORE_sched_rr_get_interval
144#define __IGNORE_gettimeofday
145#define __IGNORE_settimeofday
146#define __IGNORE_wait4
147#define __IGNORE_adjtimex
148#define __IGNORE_nanosleep
149#define __IGNORE_io_getevents
150#define __IGNORE_recvmmsg
151#endif
152
153/* i386-specific or historical system calls */
154#define __IGNORE_break
155#define __IGNORE_stty
156#define __IGNORE_gtty
157#define __IGNORE_ftime
158#define __IGNORE_prof
159#define __IGNORE_lock
160#define __IGNORE_mpx
161#define __IGNORE_ulimit
162#define __IGNORE_profil
163#define __IGNORE_ioperm
164#define __IGNORE_iopl
165#define __IGNORE_idle
166#define __IGNORE_modify_ldt
167#define __IGNORE_ugetrlimit
168#define __IGNORE_vm86
169#define __IGNORE_vm86old
170#define __IGNORE_set_thread_area
171#define __IGNORE_get_thread_area
172#define __IGNORE_madvise1
173#define __IGNORE_oldstat
174#define __IGNORE_oldfstat
175#define __IGNORE_oldlstat
176#define __IGNORE_oldolduname
177#define __IGNORE_olduname
178#define __IGNORE_umount
179#define __IGNORE_waitpid
180#define __IGNORE_stime
181#define __IGNORE_nice
182#define __IGNORE_signal
183#define __IGNORE_sigaction
184#define __IGNORE_sgetmask
185#define __IGNORE_sigsuspend
186#define __IGNORE_sigpending
187#define __IGNORE_ssetmask
188#define __IGNORE_readdir
189#define __IGNORE_socketcall
190#define __IGNORE_ipc
191#define __IGNORE_sigreturn
192#define __IGNORE_sigprocmask
193#define __IGNORE_bdflush
194#define __IGNORE__llseek
195#define __IGNORE__newselect
196#define __IGNORE_create_module
197#define __IGNORE_query_module
198#define __IGNORE_get_kernel_syms
199#define __IGNORE_sysfs
200#define __IGNORE_uselib
201#define __IGNORE__sysctl
202#define __IGNORE_arch_prctl
203#define __IGNORE_nfsservctl
204
205/* ... including the "new" 32-bit uid syscalls */
206#define __IGNORE_lchown32
207#define __IGNORE_getuid32
208#define __IGNORE_getgid32
209#define __IGNORE_geteuid32
210#define __IGNORE_getegid32
211#define __IGNORE_setreuid32
212#define __IGNORE_setregid32
213#define __IGNORE_getgroups32
214#define __IGNORE_setgroups32
215#define __IGNORE_fchown32
216#define __IGNORE_setresuid32
217#define __IGNORE_getresuid32
218#define __IGNORE_setresgid32
219#define __IGNORE_getresgid32
220#define __IGNORE_chown32
221#define __IGNORE_setuid32
222#define __IGNORE_setgid32
223#define __IGNORE_setfsuid32
224#define __IGNORE_setfsgid32
225
226/* these can be expressed using other calls */
227#define __IGNORE_alarm /* setitimer */
228#define __IGNORE_creat /* open */
229#define __IGNORE_fork /* clone */
230#define __IGNORE_futimesat /* utimensat */
231#define __IGNORE_getpgrp /* getpgid */
232#define __IGNORE_getdents /* getdents64 */
233#define __IGNORE_pause /* sigsuspend */
234#define __IGNORE_poll /* ppoll */
235#define __IGNORE_select /* pselect6 */
236#define __IGNORE_epoll_wait /* epoll_pwait */
237#define __IGNORE_time /* gettimeofday */
238#define __IGNORE_uname /* newuname */
239#define __IGNORE_ustat /* statfs */
240#define __IGNORE_utime /* utimes */
241#define __IGNORE_vfork /* clone */
242
243/* sync_file_range had a stupid ABI. Allow sync_file_range2 instead */
244#ifdef __NR_sync_file_range2
245#define __IGNORE_sync_file_range
246#endif
247
248/* Unmerged syscalls for AFS, STREAMS, etc. */
249#define __IGNORE_afs_syscall
250#define __IGNORE_getpmsg
251#define __IGNORE_putpmsg
252#define __IGNORE_vserver
253
254/* 64-bit ports never needed these, and new 32-bit ports can use statx */
255#define __IGNORE_fstat64
256#define __IGNORE_fstatat64
257
258/* Newer ports are not required to provide fstat in favor of statx */
259#define __IGNORE_fstat
260EOF
261}
262
263syscall_list() {
264 grep '^[0-9]' "$1" | sort -n |
265 while read nr abi name entry ; do
266 echo "#if !defined(__NR_${name}) && !defined(__IGNORE_${name})"
267 echo "#warning syscall ${name} not implemented"
268 echo "#endif"
269 done
270}
271
272(ignore_list && syscall_list $(dirname $0)/../arch/x86/entry/syscalls/syscall_32.tbl) | \
273$* -Wno-error -Wno-unused-macros -E -x c - > /dev/null
1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0
3#
4# Check if current architecture are missing any function calls compared
5# to i386.
6# i386 define a number of legacy system calls that are i386 specific
7# and listed below so they are ignored.
8#
9# Usage:
10# checksyscalls.sh gcc gcc-options
11#
12
13ignore_list() {
14cat << EOF
15#include <asm/types.h>
16#include <asm/unistd.h>
17
18/* *at */
19#define __IGNORE_open /* openat */
20#define __IGNORE_link /* linkat */
21#define __IGNORE_unlink /* unlinkat */
22#define __IGNORE_mknod /* mknodat */
23#define __IGNORE_chmod /* fchmodat */
24#define __IGNORE_chown /* fchownat */
25#define __IGNORE_mkdir /* mkdirat */
26#define __IGNORE_rmdir /* unlinkat */
27#define __IGNORE_lchown /* fchownat */
28#define __IGNORE_access /* faccessat */
29#define __IGNORE_rename /* renameat2 */
30#define __IGNORE_readlink /* readlinkat */
31#define __IGNORE_symlink /* symlinkat */
32#define __IGNORE_utimes /* futimesat */
33#define __IGNORE_stat /* fstatat */
34#define __IGNORE_lstat /* fstatat */
35#define __IGNORE_stat64 /* fstatat64 */
36#define __IGNORE_lstat64 /* fstatat64 */
37
38#ifndef __ARCH_WANT_SET_GET_RLIMIT
39#define __IGNORE_getrlimit /* getrlimit */
40#define __IGNORE_setrlimit /* setrlimit */
41#endif
42
43/* Missing flags argument */
44#define __IGNORE_renameat /* renameat2 */
45
46/* CLOEXEC flag */
47#define __IGNORE_pipe /* pipe2 */
48#define __IGNORE_dup2 /* dup3 */
49#define __IGNORE_epoll_create /* epoll_create1 */
50#define __IGNORE_inotify_init /* inotify_init1 */
51#define __IGNORE_eventfd /* eventfd2 */
52#define __IGNORE_signalfd /* signalfd4 */
53
54/* MMU */
55#ifndef CONFIG_MMU
56#define __IGNORE_madvise
57#define __IGNORE_mbind
58#define __IGNORE_mincore
59#define __IGNORE_mlock
60#define __IGNORE_mlockall
61#define __IGNORE_munlock
62#define __IGNORE_munlockall
63#define __IGNORE_mprotect
64#define __IGNORE_msync
65#define __IGNORE_migrate_pages
66#define __IGNORE_move_pages
67#define __IGNORE_remap_file_pages
68#define __IGNORE_get_mempolicy
69#define __IGNORE_set_mempolicy
70#define __IGNORE_swapoff
71#define __IGNORE_swapon
72#endif
73
74/* System calls for 32-bit kernels only */
75#if BITS_PER_LONG == 64
76#define __IGNORE_sendfile64
77#define __IGNORE_ftruncate64
78#define __IGNORE_truncate64
79#define __IGNORE_stat64
80#define __IGNORE_lstat64
81#define __IGNORE_fstat64
82#define __IGNORE_fcntl64
83#define __IGNORE_fadvise64_64
84#define __IGNORE_fstatat64
85#define __IGNORE_fstatfs64
86#define __IGNORE_statfs64
87#define __IGNORE_llseek
88#define __IGNORE_mmap2
89#define __IGNORE_clock_gettime64
90#define __IGNORE_clock_settime64
91#define __IGNORE_clock_adjtime64
92#define __IGNORE_clock_getres_time64
93#define __IGNORE_clock_nanosleep_time64
94#define __IGNORE_timer_gettime64
95#define __IGNORE_timer_settime64
96#define __IGNORE_timerfd_gettime64
97#define __IGNORE_timerfd_settime64
98#define __IGNORE_utimensat_time64
99#define __IGNORE_pselect6_time64
100#define __IGNORE_ppoll_time64
101#define __IGNORE_io_pgetevents_time64
102#define __IGNORE_recvmmsg_time64
103#define __IGNORE_mq_timedsend_time64
104#define __IGNORE_mq_timedreceive_time64
105#define __IGNORE_semtimedop_time64
106#define __IGNORE_rt_sigtimedwait_time64
107#define __IGNORE_futex_time64
108#define __IGNORE_sched_rr_get_interval_time64
109#else
110#define __IGNORE_sendfile
111#define __IGNORE_ftruncate
112#define __IGNORE_truncate
113#define __IGNORE_stat
114#define __IGNORE_lstat
115#define __IGNORE_fstat
116#define __IGNORE_fcntl
117#define __IGNORE_fadvise64
118#define __IGNORE_newfstatat
119#define __IGNORE_fstatfs
120#define __IGNORE_statfs
121#define __IGNORE_lseek
122#define __IGNORE_mmap
123#define __IGNORE_clock_gettime
124#define __IGNORE_clock_settime
125#define __IGNORE_clock_adjtime
126#define __IGNORE_clock_getres
127#define __IGNORE_clock_nanosleep
128#define __IGNORE_timer_gettime
129#define __IGNORE_timer_settime
130#define __IGNORE_timerfd_gettime
131#define __IGNORE_timerfd_settime
132#define __IGNORE_utimensat
133#define __IGNORE_pselect6
134#define __IGNORE_ppoll
135#define __IGNORE_io_pgetevents
136#define __IGNORE_recvmmsg
137#define __IGNORE_mq_timedsend
138#define __IGNORE_mq_timedreceive
139#define __IGNORE_semtimedop
140#define __IGNORE_rt_sigtimedwait
141#define __IGNORE_futex
142#define __IGNORE_sched_rr_get_interval
143#define __IGNORE_gettimeofday
144#define __IGNORE_settimeofday
145#define __IGNORE_wait4
146#define __IGNORE_adjtimex
147#define __IGNORE_nanosleep
148#define __IGNORE_io_getevents
149#define __IGNORE_recvmmsg
150#endif
151
152/* i386-specific or historical system calls */
153#define __IGNORE_break
154#define __IGNORE_stty
155#define __IGNORE_gtty
156#define __IGNORE_ftime
157#define __IGNORE_prof
158#define __IGNORE_lock
159#define __IGNORE_mpx
160#define __IGNORE_ulimit
161#define __IGNORE_profil
162#define __IGNORE_ioperm
163#define __IGNORE_iopl
164#define __IGNORE_idle
165#define __IGNORE_modify_ldt
166#define __IGNORE_ugetrlimit
167#define __IGNORE_vm86
168#define __IGNORE_vm86old
169#define __IGNORE_set_thread_area
170#define __IGNORE_get_thread_area
171#define __IGNORE_madvise1
172#define __IGNORE_oldstat
173#define __IGNORE_oldfstat
174#define __IGNORE_oldlstat
175#define __IGNORE_oldolduname
176#define __IGNORE_olduname
177#define __IGNORE_umount
178#define __IGNORE_waitpid
179#define __IGNORE_stime
180#define __IGNORE_nice
181#define __IGNORE_signal
182#define __IGNORE_sigaction
183#define __IGNORE_sgetmask
184#define __IGNORE_sigsuspend
185#define __IGNORE_sigpending
186#define __IGNORE_ssetmask
187#define __IGNORE_readdir
188#define __IGNORE_socketcall
189#define __IGNORE_ipc
190#define __IGNORE_sigreturn
191#define __IGNORE_sigprocmask
192#define __IGNORE_bdflush
193#define __IGNORE__llseek
194#define __IGNORE__newselect
195#define __IGNORE_create_module
196#define __IGNORE_query_module
197#define __IGNORE_get_kernel_syms
198#define __IGNORE_sysfs
199#define __IGNORE_uselib
200#define __IGNORE__sysctl
201#define __IGNORE_arch_prctl
202#define __IGNORE_nfsservctl
203
204/* ... including the "new" 32-bit uid syscalls */
205#define __IGNORE_lchown32
206#define __IGNORE_getuid32
207#define __IGNORE_getgid32
208#define __IGNORE_geteuid32
209#define __IGNORE_getegid32
210#define __IGNORE_setreuid32
211#define __IGNORE_setregid32
212#define __IGNORE_getgroups32
213#define __IGNORE_setgroups32
214#define __IGNORE_fchown32
215#define __IGNORE_setresuid32
216#define __IGNORE_getresuid32
217#define __IGNORE_setresgid32
218#define __IGNORE_getresgid32
219#define __IGNORE_chown32
220#define __IGNORE_setuid32
221#define __IGNORE_setgid32
222#define __IGNORE_setfsuid32
223#define __IGNORE_setfsgid32
224
225/* these can be expressed using other calls */
226#define __IGNORE_alarm /* setitimer */
227#define __IGNORE_creat /* open */
228#define __IGNORE_fork /* clone */
229#define __IGNORE_futimesat /* utimensat */
230#define __IGNORE_getpgrp /* getpgid */
231#define __IGNORE_getdents /* getdents64 */
232#define __IGNORE_pause /* sigsuspend */
233#define __IGNORE_poll /* ppoll */
234#define __IGNORE_select /* pselect6 */
235#define __IGNORE_epoll_wait /* epoll_pwait */
236#define __IGNORE_time /* gettimeofday */
237#define __IGNORE_uname /* newuname */
238#define __IGNORE_ustat /* statfs */
239#define __IGNORE_utime /* utimes */
240#define __IGNORE_vfork /* clone */
241
242/* sync_file_range had a stupid ABI. Allow sync_file_range2 instead */
243#ifdef __NR_sync_file_range2
244#define __IGNORE_sync_file_range
245#endif
246
247/* Unmerged syscalls for AFS, STREAMS, etc. */
248#define __IGNORE_afs_syscall
249#define __IGNORE_getpmsg
250#define __IGNORE_putpmsg
251#define __IGNORE_vserver
252EOF
253}
254
255syscall_list() {
256 grep '^[0-9]' "$1" | sort -n |
257 while read nr abi name entry ; do
258 echo "#if !defined(__NR_${name}) && !defined(__IGNORE_${name})"
259 echo "#warning syscall ${name} not implemented"
260 echo "#endif"
261 done
262}
263
264(ignore_list && syscall_list $(dirname $0)/../arch/x86/entry/syscalls/syscall_32.tbl) | \
265$* -E -x c - > /dev/null