1 /* $OpenBSD: compat_util.h,v 1.7 2002/03/14 01:26:49 millert Exp $ */
2 /* $NetBSD: compat_util.h,v 1.1 1995/06/24 20:16:05 christos Exp $ */
3
4 /*
5 * Copyright (c) 1994 Christos Zoulas
6 * Copyright (c) 1995 Frank van der Linden
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 *
31 */
32
33 #ifndef _COMPAT_UTIL_H_
34 #define _COMPAT_UTIL_H_
35
36 #include <uvm/uvm_extern.h>
37 #include <sys/exec.h>
38
39 struct emul;
40 /* struct proc; */
41
42 caddr_t stackgap_init(struct emul *);
43 void *stackgap_alloc(caddr_t *, size_t);
44
45 struct emul_flags_xtab {
46 unsigned long omask;
47 unsigned long oval;
48 unsigned long nval;
49 };
50
51 int emul_find(struct proc *, caddr_t *, const char *, char *,
52 char **, int);
53
54 unsigned long emul_flags_translate(const struct emul_flags_xtab *tab,
55 unsigned long in, unsigned long *leftover);
56
57 #define CHECK_ALT_EXIST(p, sgp, root, path) \
58 emul_find(p, sgp, root, path, &(path), 0)
59
60 #define CHECK_ALT_CREAT(p, sgp, root, path) \
61 emul_find(p, sgp, root, path, &(path), 1)
62
63 #endif /* !_COMPAT_UTIL_H_ */