1#!/bin/sh 2# 3# Check if current architecture are missing any function calls compared 4# to i386. 5# i386 define a number of legacy system calls that are i386 specific 6# and listed below so they are ignored. 7# 8# Usage: 9# checksyscalls.sh gcc gcc-options 10# 11 12ignore_list() { 13cat << EOF 14#include <asm/types.h> 15#include <asm/unistd.h> 16 17/* *at */ 18#define __IGNORE_open /* openat */ 19#define __IGNORE_link /* linkat */ 20#define __IGNORE_unlink /* unlinkat */ 21#define __IGNORE_mknod /* mknodat */ 22#define __IGNORE_chmod /* fchmodat */ 23#define __IGNORE_chown /* fchownat */ 24#define __IGNORE_mkdir /* mkdirat */ 25#define __IGNORE_rmdir /* unlinkat */ 26#define __IGNORE_lchown /* fchownat */ 27#define __IGNORE_access /* faccessat */ 28#define __IGNORE_rename /* renameat */ 29#define __IGNORE_readlink /* readlinkat */ 30#define __IGNORE_symlink /* symlinkat */ 31#define __IGNORE_utimes /* futimesat */ 32#if BITS_PER_LONG == 64 33#define __IGNORE_stat /* fstatat */ 34#define __IGNORE_lstat /* fstatat */ 35#else 36#define __IGNORE_stat64 /* fstatat64 */ 37#define __IGNORE_lstat64 /* fstatat64 */ 38#endif 39 40/* CLOEXEC flag */ 41#define __IGNORE_pipe /* pipe2 */ 42#define __IGNORE_dup2 /* dup3 */ 43#define __IGNORE_epoll_create /* epoll_create1 */ 44#define __IGNORE_inotify_init /* inotify_init1 */ 45#define __IGNORE_eventfd /* eventfd2 */ 46#define __IGNORE_signalfd /* signalfd4 */ 47 48/* MMU */ 49#ifndef CONFIG_MMU 50#define __IGNORE_madvise 51#define __IGNORE_mbind 52#define __IGNORE_mincore 53#define __IGNORE_mlock 54#define __IGNORE_mlockall 55#define __IGNORE_munlock 56#define __IGNORE_munlockall 57#define __IGNORE_mprotect 58#define __IGNORE_msync 59#define __IGNORE_migrate_pages 60#define __IGNORE_move_pages 61#define __IGNORE_remap_file_pages 62#define __IGNORE_get_mempolicy 63#define __IGNORE_set_mempolicy 64#define __IGNORE_swapoff 65#define __IGNORE_swapon 66#endif 67 68/* System calls for 32-bit kernels only */ 69#if BITS_PER_LONG == 64 70#define __IGNORE_sendfile64 71#define __IGNORE_ftruncate64 72#define __IGNORE_truncate64 73#define __IGNORE_stat64 74#define __IGNORE_lstat64 75#define __IGNORE_fstat64 76#define __IGNORE_fcntl64 77#define __IGNORE_fadvise64_64 78#define __IGNORE_fstatat64 79#define __IGNORE_fstatfs64 80#define __IGNORE_statfs64 81#define __IGNORE_llseek 82#define __IGNORE_mmap2 83#else 84#define __IGNORE_sendfile 85#define __IGNORE_ftruncate 86#define __IGNORE_truncate 87#define __IGNORE_stat 88#define __IGNORE_lstat 89#define __IGNORE_fstat 90#define __IGNORE_fcntl 91#define __IGNORE_fadvise64 92#define __IGNORE_newfstatat 93#define __IGNORE_fstatfs 94#define __IGNORE_statfs 95#define __IGNORE_lseek 96#define __IGNORE_mmap 97#endif 98 99/* i386-specific or historical system calls */ 100#define __IGNORE_break 101#define __IGNORE_stty 102#define __IGNORE_gtty 103#define __IGNORE_ftime 104#define __IGNORE_prof 105#define __IGNORE_lock 106#define __IGNORE_mpx 107#define __IGNORE_ulimit 108#define __IGNORE_profil 109#define __IGNORE_ioperm 110#define __IGNORE_iopl 111#define __IGNORE_idle 112#define __IGNORE_modify_ldt 113#define __IGNORE_ugetrlimit 114#define __IGNORE_vm86 115#define __IGNORE_vm86old 116#define __IGNORE_set_thread_area 117#define __IGNORE_get_thread_area 118#define __IGNORE_madvise1 119#define __IGNORE_oldstat 120#define __IGNORE_oldfstat 121#define __IGNORE_oldlstat 122#define __IGNORE_oldolduname 123#define __IGNORE_olduname 124#define __IGNORE_umount 125#define __IGNORE_waitpid 126#define __IGNORE_stime 127#define __IGNORE_nice 128#define __IGNORE_signal 129#define __IGNORE_sigaction 130#define __IGNORE_sgetmask 131#define __IGNORE_sigsuspend 132#define __IGNORE_sigpending 133#define __IGNORE_ssetmask 134#define __IGNORE_readdir 135#define __IGNORE_socketcall 136#define __IGNORE_ipc 137#define __IGNORE_sigreturn 138#define __IGNORE_sigprocmask 139#define __IGNORE_bdflush 140#define __IGNORE__llseek 141#define __IGNORE__newselect 142#define __IGNORE_create_module 143#define __IGNORE_query_module 144#define __IGNORE_get_kernel_syms 145#define __IGNORE_sysfs 146#define __IGNORE_uselib 147#define __IGNORE__sysctl 148 149/* ... including the "new" 32-bit uid syscalls */ 150#define __IGNORE_lchown32 151#define __IGNORE_getuid32 152#define __IGNORE_getgid32 153#define __IGNORE_geteuid32 154#define __IGNORE_getegid32 155#define __IGNORE_setreuid32 156#define __IGNORE_setregid32 157#define __IGNORE_getgroups32 158#define __IGNORE_setgroups32 159#define __IGNORE_fchown32 160#define __IGNORE_setresuid32 161#define __IGNORE_getresuid32 162#define __IGNORE_setresgid32 163#define __IGNORE_getresgid32 164#define __IGNORE_chown32 165#define __IGNORE_setuid32 166#define __IGNORE_setgid32 167#define __IGNORE_setfsuid32 168#define __IGNORE_setfsgid32 169 170/* these can be expressed using other calls */ 171#define __IGNORE_alarm /* setitimer */ 172#define __IGNORE_creat /* open */ 173#define __IGNORE_fork /* clone */ 174#define __IGNORE_futimesat /* utimensat */ 175#define __IGNORE_getpgrp /* getpgid */ 176#define __IGNORE_getdents /* getdents64 */ 177#define __IGNORE_pause /* sigsuspend */ 178#define __IGNORE_poll /* ppoll */ 179#define __IGNORE_select /* pselect6 */ 180#define __IGNORE_epoll_wait /* epoll_pwait */ 181#define __IGNORE_time /* gettimeofday */ 182#define __IGNORE_uname /* newuname */ 183#define __IGNORE_ustat /* statfs */ 184#define __IGNORE_utime /* utimes */ 185#define __IGNORE_vfork /* clone */ 186 187/* sync_file_range had a stupid ABI. Allow sync_file_range2 instead */ 188#ifdef __NR_sync_file_range2 189#define __IGNORE_sync_file_range 190#endif 191 192/* Unmerged syscalls for AFS, STREAMS, etc. */ 193#define __IGNORE_afs_syscall 194#define __IGNORE_getpmsg 195#define __IGNORE_putpmsg 196#define __IGNORE_vserver 197EOF 198} 199 200syscall_list() { 201sed -n -e '/^\#define/ s/[^_]*__NR_\([^[:space:]]*\).*/\ 202\#if !defined \(__NR_\1\) \&\& !defined \(__IGNORE_\1\)\ 203\#warning syscall \1 not implemented\ 204\#endif/p' $1 205} 206 207(ignore_list && syscall_list $(dirname $0)/../arch/x86/include/asm/unistd_32.h) | \ 208$* -E -x c - > /dev/null 209