1/* $NetBSD: compat_sysv_50_mod.c,v 1.5 2019/12/12 02:15:42 pgoyette Exp $ */ 2 3/*- 4 * Copyright (c) 2018 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software developed for The NetBSD Foundation 8 * by Paul Goyette 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#include <sys/cdefs.h> 33__KERNEL_RCSID(0, "$NetBSD: compat_sysv_50_mod.c,v 1.5 2019/12/12 02:15:42 pgoyette Exp $"); 34 35#ifdef _KERNEL_OPT 36#include "opt_compat_netbsd.h" 37#include "opt_sysv.h" 38#endif 39 40#include <sys/systm.h> 41#include <sys/module.h> 42#include <sys/syscall.h> 43#include <sys/syscallargs.h> 44#include <sys/syscallvar.h> 45#include <sys/sysctl.h> 46#include <sys/compat_stub.h> 47 48#include <compat/common/compat_sysv_mod.h> 49 50MODULE(MODULE_CLASS_EXEC, compat_sysv_50, "sysv_ipc"); 51 52/* Build the syscall package based on options specified */ 53 54static const struct syscall_package compat_sysv_50_syscalls[] = { 55#ifdef SYSVSHM 56 { SYS_compat_50___shmctl13, 0, (sy_call_t *)compat_50_sys___shmctl13 }, 57#endif 58#ifdef SYSVSEM 59 { SYS_compat_50_____semctl13, 0, (sy_call_t *)compat_50_sys_____semctl13 }, 60#endif 61#ifdef SYSVMSG 62 { SYS_compat_50___msgctl13, 0, (sy_call_t *)compat_50_sys___msgctl13 }, 63#endif 64 { 0, 0, NULL } 65}; 66 67static int 68compat_sysv_50_modcmd(modcmd_t cmd, void *arg) 69{ 70 int error = 0; 71 72 switch (cmd) { 73 case MODULE_CMD_INIT: 74 error = syscall_establish(NULL, compat_sysv_50_syscalls); 75 if (error != 0) { 76 break; 77 } 78 MODULE_HOOK_SET(sysvipc_sysctl_50_hook, sysctl_kern_sysvipc50); 79 break; 80 81 case MODULE_CMD_FINI: 82 error = syscall_disestablish(NULL, compat_sysv_50_syscalls); 83 if (error != 0) { 84 break; 85 } 86 MODULE_HOOK_UNSET(sysvipc_sysctl_50_hook); 87 break; 88 89 default: 90 error = ENOTTY; 91 break; 92 } 93 return error; 94} 95