xref: /freebsd/sys/compat/freebsd32/freebsd32_abort2.c (revision e02f64d9b88ce33313755f4a94c46a7839a23f10)
1*e02f64d9SBrooks Davis /*-
2*e02f64d9SBrooks Davis  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3*e02f64d9SBrooks Davis  *
4*e02f64d9SBrooks Davis  * Copyright (c) 2005 Wojciech A. Koszek
5*e02f64d9SBrooks Davis  * All rights reserved.
6*e02f64d9SBrooks Davis  *
7*e02f64d9SBrooks Davis  * Redistribution and use in source and binary forms, with or without
8*e02f64d9SBrooks Davis  * modification, are permitted provided that the following conditions
9*e02f64d9SBrooks Davis  * are met:
10*e02f64d9SBrooks Davis  * 1. Redistributions of source code must retain the above copyright
11*e02f64d9SBrooks Davis  *    notice, this list of conditions and the following disclaimer.
12*e02f64d9SBrooks Davis  * 2. Redistributions in binary form must reproduce the above copyright
13*e02f64d9SBrooks Davis  *    notice, this list of conditions and the following disclaimer in the
14*e02f64d9SBrooks Davis  *    documentation and/or other materials provided with the distribution.
15*e02f64d9SBrooks Davis  *
16*e02f64d9SBrooks Davis  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17*e02f64d9SBrooks Davis  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18*e02f64d9SBrooks Davis  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19*e02f64d9SBrooks Davis  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20*e02f64d9SBrooks Davis  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21*e02f64d9SBrooks Davis  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22*e02f64d9SBrooks Davis  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23*e02f64d9SBrooks Davis  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24*e02f64d9SBrooks Davis  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25*e02f64d9SBrooks Davis  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26*e02f64d9SBrooks Davis  * SUCH DAMAGE.
27*e02f64d9SBrooks Davis  */
28*e02f64d9SBrooks Davis 
29*e02f64d9SBrooks Davis #include <sys/cdefs.h>
30*e02f64d9SBrooks Davis __FBSDID("$FreeBSD$");
31*e02f64d9SBrooks Davis 
32*e02f64d9SBrooks Davis #include <sys/param.h>
33*e02f64d9SBrooks Davis #include <sys/proc.h>
34*e02f64d9SBrooks Davis #include <sys/sbuf.h>
35*e02f64d9SBrooks Davis #include <sys/syscallsubr.h>
36*e02f64d9SBrooks Davis #include <sys/syslog.h>
37*e02f64d9SBrooks Davis 
38*e02f64d9SBrooks Davis #include <compat/freebsd32/freebsd32_proto.h>
39*e02f64d9SBrooks Davis 
40*e02f64d9SBrooks Davis int
41*e02f64d9SBrooks Davis freebsd32_abort2(struct thread *td, struct freebsd32_abort2_args *uap)
42*e02f64d9SBrooks Davis {
43*e02f64d9SBrooks Davis 	void *uargs[16];
44*e02f64d9SBrooks Davis 	void *uargsp;
45*e02f64d9SBrooks Davis 	uint32_t *uargsptr;
46*e02f64d9SBrooks Davis 	uint32_t ptr;
47*e02f64d9SBrooks Davis 	int i, nargs;
48*e02f64d9SBrooks Davis 
49*e02f64d9SBrooks Davis 	nargs = uap->nargs;
50*e02f64d9SBrooks Davis 	if (nargs < 0 || nargs > nitems(uargs))
51*e02f64d9SBrooks Davis 		nargs = -1;
52*e02f64d9SBrooks Davis 	uargsp = NULL;
53*e02f64d9SBrooks Davis 	if (nargs > 0) {
54*e02f64d9SBrooks Davis 		if (uap->args != NULL) {
55*e02f64d9SBrooks Davis 			uargsptr = uap->args;
56*e02f64d9SBrooks Davis 			for (i = 0; i < nargs; i++) {
57*e02f64d9SBrooks Davis 				if (fueword32(uargsptr + i, &ptr) != 0) {
58*e02f64d9SBrooks Davis 					nargs = -1;
59*e02f64d9SBrooks Davis 					break;
60*e02f64d9SBrooks Davis 				} else
61*e02f64d9SBrooks Davis 					uargs[i] = (void *)(uintptr_t)ptr;
62*e02f64d9SBrooks Davis 			}
63*e02f64d9SBrooks Davis 			if (nargs > 0)
64*e02f64d9SBrooks Davis 				uargsp = &uargs;
65*e02f64d9SBrooks Davis 		} else
66*e02f64d9SBrooks Davis 			nargs = -1;
67*e02f64d9SBrooks Davis 	}
68*e02f64d9SBrooks Davis 	return (kern_abort2(td, uap->why, nargs, uargsp));
69*e02f64d9SBrooks Davis }
70