1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include <ctf_impl.h>
30 #include <sys/kobj.h>
31 #include <sys/kobj_impl.h>
32 
33 /*
34  * This module is used both during the normal operation of the kernel (i.e.
35  * after kmem has been initialized) and during boot (before unix`_start has
36  * been called).  kobj_alloc is able to tell the difference between the two
37  * cases, and as such must be used instead of kmem_alloc.
38  */
39 
40 void *
41 ctf_data_alloc(size_t size)
42 {
43 	void *buf = kobj_alloc(size, KM_NOWAIT|KM_SCRATCH);
44 
45 	if (buf == NULL)
46 		return (MAP_FAILED);
47 
48 	return (buf);
49 }
50 
51 void
52 ctf_data_free(void *buf, size_t size)
53 {
54 	kobj_free(buf, size);
55 }
56 
57 /*ARGSUSED*/
58 void
59 ctf_data_protect(void *buf, size_t size)
60 {
61 	/* we don't support this operation in the kernel */
62 }
63 
64 void *
65 ctf_alloc(size_t size)
66 {
67 	return (kobj_alloc(size, KM_NOWAIT|KM_TMP));
68 }
69 
70 /*ARGSUSED*/
71 void
72 ctf_free(void *buf, size_t size)
73 {
74 	kobj_free(buf, size);
75 }
76 
77 /*ARGSUSED*/
78 const char *
79 ctf_strerror(int err)
80 {
81 	return (NULL); /* we don't support this operation in the kernel */
82 }
83 
84 /*PRINTFLIKE1*/
85 void
86 ctf_dprintf(const char *format, ...)
87 {
88 	if (_libctf_debug) {
89 		va_list alist;
90 
91 		va_start(alist, format);
92 		(void) printf("ctf DEBUG: ");
93 		(void) vprintf(format, alist);
94 		va_end(alist);
95 	}
96 }
97