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#!/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 # 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_fstat EOF } 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 $(dirname $0)/../arch/x86/entry/syscalls/syscall_32.tbl) | \ $* -Wno-error -Wno-unused-macros -E -x c - > /dev/null