xref: /illumos-gate/usr/src/lib/libctf/common/ctf_subr.c (revision 0245b61fd282e95735b173b8d95be0d6688163b4)
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 2003 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include <ctf_impl.h>
28 #include <libctf.h>
29 #include <sys/mman.h>
30 #include <stdarg.h>
31 
32 void *
33 ctf_data_alloc(size_t size)
34 {
35 	return (mmap(NULL, size, PROT_READ | PROT_WRITE,
36 	    MAP_PRIVATE | MAP_ANON, -1, 0));
37 }
38 
39 void
40 ctf_data_free(void *buf, size_t size)
41 {
42 	(void) munmap(buf, size);
43 }
44 
45 void
46 ctf_data_protect(void *buf, size_t size)
47 {
48 	(void) mprotect(buf, size, PROT_READ);
49 }
50 
51 void *
52 ctf_alloc(size_t size)
53 {
54 	return (malloc(size));
55 }
56 
57 void *
58 mergeq_alloc(size_t size)
59 {
60 	return (malloc(size));
61 }
62 
63 void *
64 workq_alloc(size_t size)
65 {
66 	return (malloc(size));
67 }
68 
69 /*ARGSUSED*/
70 void
71 ctf_free(void *buf, size_t size)
72 {
73 	free(buf);
74 }
75 
76 /*ARGSUSED*/
77 void
78 mergeq_free(void *buf, size_t size)
79 {
80 	free(buf);
81 }
82 
83 /*ARGSUSED*/
84 void
85 workq_free(void *buf, size_t size)
86 {
87 	free(buf);
88 }
89 
90 const char *
91 ctf_strerror(int err)
92 {
93 	return (strerror(err));
94 }
95 
96 /*PRINTFLIKE1*/
97 void
98 ctf_dprintf(const char *format, ...)
99 {
100 	if (_libctf_debug) {
101 		va_list alist;
102 
103 		va_start(alist, format);
104 		(void) fputs("libctf DEBUG: ", stderr);
105 		(void) vfprintf(stderr, format, alist);
106 		va_end(alist);
107 	}
108 }
109