1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2013 Dmitry Chagin 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: stable/12/sys/compat/linux/linux_dummy.c 369977 2021-06-16 20:24:42Z dchagin $"); 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 /* 39 * Including linux vs linux32 here is arbitrary -- the syscall args structures 40 * (proto.h) are not dereferenced by the DUMMY stub implementations, and 41 * suitable for use by both native and compat32 entrypoints. 42 */ 43 #include <machine/../linux/linux.h> 44 #include <machine/../linux/linux_proto.h> 45 46 #include <compat/linux/linux_dtrace.h> 47 #include <compat/linux/linux_util.h> 48 49 /* DTrace init */ 50 LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE); 51 52 UNIMPLEMENTED(afs_syscall); 53 UNIMPLEMENTED(create_module); /* Added in Linux 1.0 removed in 2.6. */ 54 UNIMPLEMENTED(epoll_ctl_old); 55 UNIMPLEMENTED(epoll_wait_old); 56 UNIMPLEMENTED(get_kernel_syms); /* Added in Linux 1.0 removed in 2.6. */ 57 UNIMPLEMENTED(getpmsg); 58 UNIMPLEMENTED(nfsservctl); /* Added in Linux 2.2 removed in 3.1. */ 59 UNIMPLEMENTED(putpmsg); 60 UNIMPLEMENTED(query_module); /* Added in Linux 2.2 removed in 2.6. */ 61 UNIMPLEMENTED(security); 62 UNIMPLEMENTED(vserver); 63 64 DUMMY(sendfile); 65 DUMMY(setfsuid); 66 DUMMY(setfsgid); 67 DUMMY(vhangup); 68 DUMMY(pivot_root); 69 DUMMY(adjtimex); 70 DUMMY(swapoff); 71 DUMMY(init_module); 72 DUMMY(delete_module); 73 DUMMY(lookup_dcookie); 74 DUMMY(remap_file_pages); 75 DUMMY(mbind); 76 DUMMY(get_mempolicy); 77 DUMMY(set_mempolicy); 78 DUMMY(kexec_load); 79 /* Linux 2.6.11: */ 80 DUMMY(add_key); 81 DUMMY(request_key); 82 DUMMY(keyctl); 83 /* Linux 2.6.13: */ 84 DUMMY(ioprio_set); 85 DUMMY(ioprio_get); 86 DUMMY(inotify_add_watch); 87 DUMMY(inotify_rm_watch); 88 /* Linux 2.6.16: */ 89 DUMMY(migrate_pages); 90 DUMMY(unshare); 91 /* Linux 2.6.17: */ 92 DUMMY(tee); 93 DUMMY(vmsplice); 94 /* Linux 2.6.18: */ 95 DUMMY(move_pages); 96 /* Linux 2.6.27: */ 97 DUMMY(signalfd4); 98 DUMMY(inotify_init1); 99 /* Linux 2.6.31: */ 100 DUMMY(perf_event_open); 101 /* Linux 2.6.36: */ 102 DUMMY(fanotify_init); 103 DUMMY(fanotify_mark); 104 /* Linux 2.6.39: */ 105 DUMMY(name_to_handle_at); 106 DUMMY(open_by_handle_at); 107 DUMMY(clock_adjtime); 108 /* Linux 3.0: */ 109 DUMMY(setns); 110 /* Linux 3.2: */ 111 DUMMY(process_vm_readv); 112 DUMMY(process_vm_writev); 113 /* Linux 3.5: */ 114 DUMMY(kcmp); 115 /* Linux 3.8: */ 116 DUMMY(finit_module); 117 DUMMY(sched_setattr); 118 DUMMY(sched_getattr); 119 /* Linux 3.17: */ 120 DUMMY(memfd_create); 121 DUMMY(seccomp); 122 /* Linux 3.18: */ 123 DUMMY(bpf); 124 /* Linux 3.19: */ 125 DUMMY(execveat); 126 /* Linux 4.2: */ 127 DUMMY(userfaultfd); 128 /* Linux 4.3: */ 129 DUMMY(membarrier); 130 /* Linux 4.4: */ 131 DUMMY(mlock2); 132 /* Linux 4.5: */ 133 DUMMY(copy_file_range); 134 /* Linux 4.6: */ 135 DUMMY(preadv2); 136 DUMMY(pwritev2); 137 /* Linux 4.8: */ 138 DUMMY(pkey_mprotect); 139 DUMMY(pkey_alloc); 140 DUMMY(pkey_free); 141 142 #define DUMMY_XATTR(s) \ 143 int \ 144 linux_ ## s ## xattr( \ 145 struct thread *td, struct linux_ ## s ## xattr_args *arg) \ 146 { \ 147 \ 148 return (EOPNOTSUPP); \ 149 } 150 DUMMY_XATTR(set); 151 DUMMY_XATTR(lset); 152 DUMMY_XATTR(fset); 153 DUMMY_XATTR(get); 154 DUMMY_XATTR(lget); 155 DUMMY_XATTR(fget); 156 DUMMY_XATTR(list); 157 DUMMY_XATTR(llist); 158 DUMMY_XATTR(flist); 159 DUMMY_XATTR(remove); 160 DUMMY_XATTR(lremove); 161 DUMMY_XATTR(fremove); 162