1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1994-1995 Søren Schmidt 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 #include <sys/kernel.h> 34 #include <sys/sdt.h> 35 #include <sys/systm.h> 36 #include <sys/proc.h> 37 38 #include <i386/linux/linux.h> 39 #include <i386/linux/linux_proto.h> 40 #include <compat/linux/linux_dtrace.h> 41 #include <compat/linux/linux_util.h> 42 43 /* DTrace init */ 44 LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE); 45 46 UNIMPLEMENTED(afs_syscall); 47 UNIMPLEMENTED(break); 48 UNIMPLEMENTED(create_module); /* Added in Linux 1.0 removed in 2.6. */ 49 UNIMPLEMENTED(ftime); 50 UNIMPLEMENTED(get_kernel_syms); /* Added in Linux 1.0 removed in 2.6. */ 51 UNIMPLEMENTED(getpmsg); 52 UNIMPLEMENTED(gtty); 53 UNIMPLEMENTED(stty); 54 UNIMPLEMENTED(lock); 55 UNIMPLEMENTED(mpx); 56 UNIMPLEMENTED(nfsservctl); /* Added in Linux 2.2 removed in 3.1. */ 57 UNIMPLEMENTED(prof); 58 UNIMPLEMENTED(profil); 59 UNIMPLEMENTED(putpmsg); 60 UNIMPLEMENTED(query_module); /* Added in Linux 2.2 removed in 2.6. */ 61 UNIMPLEMENTED(ulimit); 62 UNIMPLEMENTED(vserver); 63 64 DUMMY(stime); 65 DUMMY(fstat); 66 DUMMY(olduname); 67 DUMMY(syslog); 68 DUMMY(uname); 69 DUMMY(vhangup); 70 DUMMY(vm86old); 71 DUMMY(swapoff); 72 DUMMY(adjtimex); 73 DUMMY(init_module); 74 DUMMY(delete_module); 75 DUMMY(quotactl); 76 DUMMY(bdflush); 77 DUMMY(sysfs); 78 DUMMY(vm86); 79 DUMMY(sendfile); /* different semantics */ 80 DUMMY(setfsuid); 81 DUMMY(setfsgid); 82 DUMMY(pivot_root); 83 DUMMY(lookup_dcookie); 84 DUMMY(remap_file_pages); 85 DUMMY(mbind); 86 DUMMY(get_mempolicy); 87 DUMMY(set_mempolicy); 88 DUMMY(kexec_load); 89 /* Linux 2.6.11: */ 90 DUMMY(add_key); 91 DUMMY(request_key); 92 DUMMY(keyctl); 93 /* Linux 2.6.13: */ 94 DUMMY(ioprio_set); 95 DUMMY(ioprio_get); 96 DUMMY(inotify_init); 97 DUMMY(inotify_add_watch); 98 DUMMY(inotify_rm_watch); 99 /* Linux 2.6.16: */ 100 DUMMY(migrate_pages); 101 DUMMY(unshare); 102 /* Linux 2.6.17: */ 103 DUMMY(splice); 104 DUMMY(sync_file_range); 105 DUMMY(tee); 106 DUMMY(vmsplice); 107 /* Linux 2.6.18: */ 108 DUMMY(move_pages); 109 /* Linux 2.6.19: */ 110 DUMMY(getcpu); 111 /* Linux 2.6.22: */ 112 DUMMY(signalfd); 113 /* Linux 2.6.27: */ 114 DUMMY(signalfd4); 115 DUMMY(inotify_init1); 116 /* Linux 2.6.31: */ 117 DUMMY(perf_event_open); 118 /* Linux 2.6.33: */ 119 DUMMY(fanotify_init); 120 DUMMY(fanotify_mark); 121 /* Linux 2.6.39: */ 122 DUMMY(name_to_handle_at); 123 DUMMY(open_by_handle_at); 124 DUMMY(clock_adjtime); 125 /* Linux 3.0: */ 126 DUMMY(setns); 127 /* Linux 3.2: */ 128 DUMMY(process_vm_readv); 129 DUMMY(process_vm_writev); 130 /* Linux 3.5: */ 131 DUMMY(kcmp); 132 /* Linux 3.8: */ 133 DUMMY(finit_module); 134 DUMMY(sched_setattr); 135 DUMMY(sched_getattr); 136 /* Linux 3.14: */ 137 DUMMY(renameat2); 138 /* Linux 3.15: */ 139 DUMMY(seccomp); 140 DUMMY(memfd_create); 141 /* Linux 3.18: */ 142 DUMMY(bpf); 143 /* Linux 3.19: */ 144 DUMMY(execveat); 145 /* Linux 4.2: */ 146 DUMMY(userfaultfd); 147 /* Linux 4.3: */ 148 DUMMY(membarrier); 149 /* Linux 4.4: */ 150 DUMMY(mlock2); 151 /* Linux 4.5: */ 152 DUMMY(copy_file_range); 153 /* Linux 4.6: */ 154 DUMMY(preadv2); 155 DUMMY(pwritev2); 156 /* Linux 4.8: */ 157 DUMMY(pkey_mprotect); 158 DUMMY(pkey_alloc); 159 DUMMY(pkey_free); 160 /* Linux 4.11: */ 161 DUMMY(statx); 162 DUMMY(arch_prctl); 163 /* Linux 4.18: */ 164 DUMMY(io_pgetevents); 165 DUMMY(rseq); 166 /* Linux 5.0: */ 167 DUMMY(clock_gettime64); 168 DUMMY(clock_settime64); 169 DUMMY(clock_adjtime64); 170 DUMMY(clock_getres_time64); 171 DUMMY(clock_nanosleep_time64); 172 DUMMY(timer_gettime64); 173 DUMMY(timer_settime64); 174 DUMMY(timerfd_gettime64); 175 DUMMY(timerfd_settime64); 176 DUMMY(utimensat_time64); 177 DUMMY(pselect6_time64); 178 DUMMY(ppoll_time64); 179 DUMMY(io_pgetevents_time64); 180 DUMMY(recvmmsg_time64); 181 DUMMY(mq_timedsend_time64); 182 DUMMY(mq_timedreceive_time64); 183 DUMMY(semtimedop_time64); 184 DUMMY(rt_sigtimedwait_time64); 185 DUMMY(futex_time64); 186 DUMMY(sched_rr_get_interval_time64); 187 DUMMY(pidfd_send_signal); 188 DUMMY(io_uring_setup); 189 DUMMY(io_uring_enter); 190 DUMMY(io_uring_register); 191 192 #define DUMMY_XATTR(s) \ 193 int \ 194 linux_ ## s ## xattr( \ 195 struct thread *td, struct linux_ ## s ## xattr_args *arg) \ 196 { \ 197 \ 198 return (EOPNOTSUPP); \ 199 } 200 DUMMY_XATTR(set); 201 DUMMY_XATTR(lset); 202 DUMMY_XATTR(fset); 203 DUMMY_XATTR(get); 204 DUMMY_XATTR(lget); 205 DUMMY_XATTR(fget); 206 DUMMY_XATTR(list); 207 DUMMY_XATTR(llist); 208 DUMMY_XATTR(flist); 209 DUMMY_XATTR(remove); 210 DUMMY_XATTR(lremove); 211 DUMMY_XATTR(fremove); 212