xref: /netbsd/sys/compat/linux/common/linux_break.c (revision bf9ec67e)
1 /*	$NetBSD: linux_break.c,v 1.50 2001/11/13 02:08:48 lukem Exp $	*/
2 
3 /*-
4  * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Frank van der Linden and Eric Haszlakiewicz.
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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the NetBSD
21  *	Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #include <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: linux_break.c,v 1.50 2001/11/13 02:08:48 lukem Exp $");
41 
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/mount.h>
45 
46 #include <sys/syscallargs.h>
47 
48 #include <compat/linux/common/linux_types.h>
49 #include <compat/linux/common/linux_signal.h>
50 #include <compat/linux/linux_syscallargs.h>
51 
52 
53 /* Used on: arm, (i386), ppc */
54 /* Not used on: alpha, m68k, mips, sparc, sparc64 */
55 
56 /* Defined as "not implemented" on arm and ppc */
57 /* Not defined on i386 */
58 /* XXXERH: maybe this should just go away. */
59 
60 /*
61  * This is the old brk(2) call. I don't think anything in the Linux
62  * world uses this anymore
63  */
64 int
65 linux_sys_break(p, v, retval)
66 	struct proc *p;
67 	void *v;
68 	register_t *retval;
69 {
70 #if 0
71 	struct linux_sys_brk_args /* {
72 		syscallarg(char *) nsize;
73 	} */ *uap = v;
74 #endif
75 
76 	return ENOSYS;
77 }
78