#!/bin/sh# SPDX-License-Identifier: GPL-2.0## Check if current architecture are missing any function calls compared# to i386.# i386 define a number of legacy system calls that are i386 specific# and listed below so they are ignored.## Usage:# checksyscalls.sh gcc gcc-options# set -e reference_table="$(dirname $0)/../arch/x86/entry/syscalls/syscall_32.tbl" ignore_list() {cat << EOF#include <asm/types.h>#include <asm/unistd.h> /* *at */#define __IGNORE_open		/* openat */#define __IGNORE_link		/* linkat */#define __IGNORE_unlink		/* unlinkat */#define __IGNORE_mknod		/* mknodat */#define __IGNORE_chmod		/* fchmodat */#define __IGNORE_chown		/* fchownat */#define __IGNORE_mkdir		/* mkdirat */#define __IGNORE_rmdir		/* unlinkat */#define __IGNORE_lchown		/* fchownat */#define __IGNORE_access		/* faccessat */#define __IGNORE_rename		/* renameat2 */#define __IGNORE_readlink	/* readlinkat */#define __IGNORE_symlink	/* symlinkat */#define __IGNORE_utimes		/* futimesat */#define __IGNORE_stat		/* fstatat */#define __IGNORE_lstat		/* fstatat */#define __IGNORE_stat64		/* fstatat64 */#define __IGNORE_lstat64	/* fstatat64 */ #ifndef __ARCH_WANT_SET_GET_RLIMIT#define __IGNORE_getrlimit	/* getrlimit */#define __IGNORE_setrlimit	/* setrlimit */#endif #ifndef __ARCH_WANT_MEMFD_SECRET#define __IGNORE_memfd_secret#endif /* Missing flags argument */#define __IGNORE_renameat	/* renameat2 */ /* CLOEXEC flag */#define __IGNORE_pipe		/* pipe2 */#define __IGNORE_dup2		/* dup3 */#define __IGNORE_epoll_create	/* epoll_create1 */#define __IGNORE_inotify_init	/* inotify_init1 */#define __IGNORE_eventfd	/* eventfd2 */#define __IGNORE_signalfd	/* signalfd4 */ /* MMU */#ifndef CONFIG_MMU#define __IGNORE_madvise#define __IGNORE_mbind#define __IGNORE_mincore#define __IGNORE_mlock#define __IGNORE_mlockall#define __IGNORE_munlock#define __IGNORE_munlockall#define __IGNORE_mprotect#define __IGNORE_msync#define __IGNORE_migrate_pages#define __IGNORE_move_pages#define __IGNORE_remap_file_pages#define __IGNORE_get_mempolicy#define __IGNORE_set_mempolicy#define __IGNORE_swapoff#define __IGNORE_swapon#endif /* System calls for 32-bit kernels only */#if BITS_PER_LONG == 64#define __IGNORE_sendfile64#define __IGNORE_ftruncate64#define __IGNORE_truncate64#define __IGNORE_stat64#define __IGNORE_lstat64#define __IGNORE_fcntl64#define __IGNORE_fadvise64_64#define __IGNORE_fstatfs64#define __IGNORE_statfs64#define __IGNORE_llseek#define __IGNORE_mmap2#define __IGNORE_clock_gettime64#define __IGNORE_clock_settime64#define __IGNORE_clock_adjtime64#define __IGNORE_clock_getres_time64#define __IGNORE_clock_nanosleep_time64#define __IGNORE_timer_gettime64#define __IGNORE_timer_settime64#define __IGNORE_timerfd_gettime64#define __IGNORE_timerfd_settime64#define __IGNORE_utimensat_time64#define __IGNORE_pselect6_time64#define __IGNORE_ppoll_time64#define __IGNORE_io_pgetevents_time64#define __IGNORE_recvmmsg_time64#define __IGNORE_mq_timedsend_time64#define __IGNORE_mq_timedreceive_time64#define __IGNORE_semtimedop_time64#define __IGNORE_rt_sigtimedwait_time64#define __IGNORE_futex_time64#define __IGNORE_sched_rr_get_interval_time64#else#define __IGNORE_sendfile#define __IGNORE_ftruncate#define __IGNORE_truncate#define __IGNORE_stat#define __IGNORE_lstat#define __IGNORE_fcntl#define __IGNORE_fadvise64#define __IGNORE_newfstatat#define __IGNORE_fstatfs#define __IGNORE_statfs#define __IGNORE_lseek#define __IGNORE_mmap#define __IGNORE_clock_gettime#define __IGNORE_clock_settime#define __IGNORE_clock_adjtime#define __IGNORE_clock_getres#define __IGNORE_clock_nanosleep#define __IGNORE_timer_gettime#define __IGNORE_timer_settime#define __IGNORE_timerfd_gettime#define __IGNORE_timerfd_settime#define __IGNORE_utimensat#define __IGNORE_pselect6#define __IGNORE_ppoll#define __IGNORE_io_pgetevents#define __IGNORE_recvmmsg#define __IGNORE_mq_timedsend#define __IGNORE_mq_timedreceive#define __IGNORE_semtimedop#define __IGNORE_rt_sigtimedwait#define __IGNORE_futex#define __IGNORE_sched_rr_get_interval#define __IGNORE_gettimeofday#define __IGNORE_settimeofday#define __IGNORE_wait4#define __IGNORE_adjtimex#define __IGNORE_nanosleep#define __IGNORE_io_getevents#define __IGNORE_recvmmsg#endif /* i386-specific or historical system calls */#define __IGNORE_break#define __IGNORE_stty#define __IGNORE_gtty#define __IGNORE_ftime#define __IGNORE_prof#define __IGNORE_lock#define __IGNORE_mpx#define __IGNORE_ulimit#define __IGNORE_profil#define __IGNORE_ioperm#define __IGNORE_iopl#define __IGNORE_idle#define __IGNORE_modify_ldt#define __IGNORE_ugetrlimit#define __IGNORE_vm86#define __IGNORE_vm86old#define __IGNORE_set_thread_area#define __IGNORE_get_thread_area#define __IGNORE_madvise1#define __IGNORE_oldstat#define __IGNORE_oldfstat#define __IGNORE_oldlstat#define __IGNORE_oldolduname#define __IGNORE_olduname#define __IGNORE_umount#define __IGNORE_waitpid#define __IGNORE_stime#define __IGNORE_nice#define __IGNORE_signal#define __IGNORE_sigaction#define __IGNORE_sgetmask#define __IGNORE_sigsuspend#define __IGNORE_sigpending#define __IGNORE_ssetmask#define __IGNORE_readdir#define __IGNORE_socketcall#define __IGNORE_ipc#define __IGNORE_sigreturn#define __IGNORE_sigprocmask#define __IGNORE_bdflush#define __IGNORE__llseek#define __IGNORE__newselect#define __IGNORE_create_module#define __IGNORE_query_module#define __IGNORE_get_kernel_syms#define __IGNORE_sysfs#define __IGNORE_uselib#define __IGNORE__sysctl#define __IGNORE_arch_prctl#define __IGNORE_nfsservctl /* ... including the "new" 32-bit uid syscalls */#define __IGNORE_lchown32#define __IGNORE_getuid32#define __IGNORE_getgid32#define __IGNORE_geteuid32#define __IGNORE_getegid32#define __IGNORE_setreuid32#define __IGNORE_setregid32#define __IGNORE_getgroups32#define __IGNORE_setgroups32#define __IGNORE_fchown32#define __IGNORE_setresuid32#define __IGNORE_getresuid32#define __IGNORE_setresgid32#define __IGNORE_getresgid32#define __IGNORE_chown32#define __IGNORE_setuid32#define __IGNORE_setgid32#define __IGNORE_setfsuid32#define __IGNORE_setfsgid32 /* these can be expressed using other calls */#define __IGNORE_alarm		/* setitimer */#define __IGNORE_creat		/* open */#define __IGNORE_fork		/* clone */#define __IGNORE_futimesat	/* utimensat */#define __IGNORE_getpgrp	/* getpgid */#define __IGNORE_getdents	/* getdents64 */#define __IGNORE_pause		/* sigsuspend */#define __IGNORE_poll		/* ppoll */#define __IGNORE_select		/* pselect6 */#define __IGNORE_epoll_wait	/* epoll_pwait */#define __IGNORE_time		/* gettimeofday */#define __IGNORE_uname		/* newuname */#define __IGNORE_ustat		/* statfs */#define __IGNORE_utime		/* utimes */#define __IGNORE_vfork		/* clone */ /* sync_file_range had a stupid ABI. Allow sync_file_range2 instead */#ifdef __NR_sync_file_range2#define __IGNORE_sync_file_range#endif /* Unmerged syscalls for AFS, STREAMS, etc. */#define __IGNORE_afs_syscall#define __IGNORE_getpmsg#define __IGNORE_putpmsg#define __IGNORE_vserver /* 64-bit ports never needed these, and new 32-bit ports can use statx */#define __IGNORE_fstat64#define __IGNORE_fstatat64 /* Newer ports are not required to provide fstat in favor of statx */#define __IGNORE_fstatEOF} syscall_list() {    grep '^[0-9]' "$1" | sort -n |	while read nr abi name entry ; do		echo "#if !defined(__NR_${name}) && !defined(__IGNORE_${name})"		echo "#warning syscall ${name} not implemented"		echo "#endif"	done} (ignore_list && syscall_list ${reference_table}) | \$* -Wno-error -Wno-unused-macros -E -x c - > /dev/null # For fixdepif [ -n "${DEPFILE}" ]; then	echo "${0}: ${0} ${reference_table}" >> "${DEPFILE}"fi