1 /* $NetBSD: db_kernel.c,v 1.4 2020/05/31 23:34:34 rin Exp $ */
2
3 /*-
4 * Copyright (c) 2009 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Andrew Doran.
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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: db_kernel.c,v 1.4 2020/05/31 23:34:34 rin Exp $");
34
35 #include <sys/param.h>
36 #include <sys/kmem.h>
37
38 #include <ddb/ddb.h>
39
40 /*
41 * XXX
42 * These routines are *not* intended for a DDB session:
43 *
44 * - It disturbes on-going debugged kernel datastructures.
45 *
46 * - DDB can be running in the interrupt context, e.g., when activated from
47 * console. This results in assertion failures in the allocator.
48 *
49 * Use these only for permanent data storage when initializing DDB.
50 */
51
52 void *
db_alloc(size_t sz)53 db_alloc(size_t sz)
54 {
55
56 return kmem_alloc(sz, KM_SLEEP);
57 }
58
59 void *
db_zalloc(size_t sz)60 db_zalloc(size_t sz)
61 {
62
63 return kmem_zalloc(sz, KM_SLEEP);
64 }
65
66 void
db_free(void * p,size_t sz)67 db_free(void *p, size_t sz)
68 {
69
70 kmem_free(p, sz);
71 }
72