1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2009 Konstantin Belousov 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/mount.h> 34 #include <sys/proc.h> 35 #include <sys/socket.h> 36 #include <sys/sysent.h> 37 #include <sys/sysproto.h> 38 #include <sys/systm.h> 39 #include <sys/uio.h> 40 41 #include <machine/cpu.h> 42 #include <machine/sysarch.h> 43 44 #include <compat/freebsd32/freebsd32_util.h> 45 #include <compat/freebsd32/freebsd32.h> 46 #include <compat/freebsd32/freebsd32_proto.h> 47 48 int 49 freebsd32_sysarch(struct thread *td, struct freebsd32_sysarch_args *uap) 50 { 51 struct sysarch_args uap1; 52 struct i386_ldt_args uapl; 53 struct i386_ldt_args32 uapl32; 54 int error; 55 56 if (uap->op == I386_SET_LDT || uap->op == I386_GET_LDT) { 57 if ((error = copyin(uap->parms, &uapl32, sizeof(uapl32))) != 0) 58 return (error); 59 uap1.op = uap->op; 60 uap1.parms = (char *)&uapl; 61 uapl.start = uapl32.start; 62 uapl.descs = (struct user_segment_descriptor *)(uintptr_t) 63 uapl32.descs; 64 uapl.num = uapl32.num; 65 return (sysarch_ldt(td, &uap1, UIO_SYSSPACE)); 66 } else { 67 uap1.op = uap->op; 68 uap1.parms = uap->parms; 69 return (sysarch(td, &uap1)); 70 } 71 } 72