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 *
ctf_data_alloc(size_t size)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
ctf_data_free(void * buf,size_t size)52 ctf_data_free(void *buf, size_t size)
53 {
54 kobj_free(buf, size);
55 }
56
57 /*ARGSUSED*/
58 void
ctf_data_protect(void * buf,size_t size)59 ctf_data_protect(void *buf, size_t size)
60 {
61 /* we don't support this operation in the kernel */
62 }
63
64 void *
ctf_alloc(size_t size)65 ctf_alloc(size_t size)
66 {
67 return (kobj_alloc(size, KM_NOWAIT|KM_TMP));
68 }
69
70 /*ARGSUSED*/
71 void
ctf_free(void * buf,size_t size)72 ctf_free(void *buf, size_t size)
73 {
74 kobj_free(buf, size);
75 }
76
77 /*ARGSUSED*/
78 const char *
ctf_strerror(int err)79 ctf_strerror(int err)
80 {
81 return (NULL); /* we don't support this operation in the kernel */
82 }
83
84 /*PRINTFLIKE1*/
85 void
ctf_dprintf(const char * format,...)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