1*11be35a1SLionel Sambuc /* $NetBSD: exec_prot_support.c,v 1.2 2012/03/16 08:51:47 matt Exp $ */
2*11be35a1SLionel Sambuc
3*11be35a1SLionel Sambuc /*-
4*11be35a1SLionel Sambuc * Copyright (c) 2012 The NetBSD Foundation, Inc.
5*11be35a1SLionel Sambuc * All rights reserved.
6*11be35a1SLionel Sambuc *
7*11be35a1SLionel Sambuc * This code is derived from software contributed to The NetBSD Foundation
8*11be35a1SLionel Sambuc * by Matt Thomas of 3am Software Foundry.
9*11be35a1SLionel Sambuc *
10*11be35a1SLionel Sambuc * Redistribution and use in source and binary forms, with or without
11*11be35a1SLionel Sambuc * modification, are permitted provided that the following conditions
12*11be35a1SLionel Sambuc * are met:
13*11be35a1SLionel Sambuc * 1. Redistributions of source code must retain the above copyright
14*11be35a1SLionel Sambuc * notice, this list of conditions and the following disclaimer.
15*11be35a1SLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
16*11be35a1SLionel Sambuc * notice, this list of conditions and the following disclaimer in the
17*11be35a1SLionel Sambuc * documentation and/or other materials provided with the distribution.
18*11be35a1SLionel Sambuc *
19*11be35a1SLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20*11be35a1SLionel Sambuc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21*11be35a1SLionel Sambuc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22*11be35a1SLionel Sambuc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23*11be35a1SLionel Sambuc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24*11be35a1SLionel Sambuc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25*11be35a1SLionel Sambuc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26*11be35a1SLionel Sambuc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27*11be35a1SLionel Sambuc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28*11be35a1SLionel Sambuc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29*11be35a1SLionel Sambuc * POSSIBILITY OF SUCH DAMAGE.
30*11be35a1SLionel Sambuc */
31*11be35a1SLionel Sambuc
32*11be35a1SLionel Sambuc #include <sys/cdefs.h>
33*11be35a1SLionel Sambuc __RCSID("$NetBSD: exec_prot_support.c,v 1.2 2012/03/16 08:51:47 matt Exp $");
34*11be35a1SLionel Sambuc
35*11be35a1SLionel Sambuc #include "../../common/exec_prot.h"
36*11be35a1SLionel Sambuc
37*11be35a1SLionel Sambuc #include <sys/sysctl.h>
38*11be35a1SLionel Sambuc
39*11be35a1SLionel Sambuc int
exec_prot_support(void)40*11be35a1SLionel Sambuc exec_prot_support(void)
41*11be35a1SLionel Sambuc {
42*11be35a1SLionel Sambuc int execprot = 0;
43*11be35a1SLionel Sambuc size_t len = sizeof(execprot);
44*11be35a1SLionel Sambuc
45*11be35a1SLionel Sambuc if (sysctlbyname("machdep.execprot", &execprot, &len, NULL, 0) < 0)
46*11be35a1SLionel Sambuc return NOTIMPL;
47*11be35a1SLionel Sambuc
48*11be35a1SLionel Sambuc if (execprot)
49*11be35a1SLionel Sambuc return PERPAGE_XP;
50*11be35a1SLionel Sambuc
51*11be35a1SLionel Sambuc return NO_XP;
52*11be35a1SLionel Sambuc }
53