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 *
ctf_data_alloc(size_t size)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
ctf_data_free(void * buf,size_t size)40 ctf_data_free(void *buf, size_t size)
41 {
42 (void) munmap(buf, size);
43 }
44
45 void
ctf_data_protect(void * buf,size_t size)46 ctf_data_protect(void *buf, size_t size)
47 {
48 (void) mprotect(buf, size, PROT_READ);
49 }
50
51 void *
ctf_alloc(size_t size)52 ctf_alloc(size_t size)
53 {
54 return (malloc(size));
55 }
56
57 void *
mergeq_alloc(size_t size)58 mergeq_alloc(size_t size)
59 {
60 return (malloc(size));
61 }
62
63 void *
workq_alloc(size_t size)64 workq_alloc(size_t size)
65 {
66 return (malloc(size));
67 }
68
69 /*ARGSUSED*/
70 void
ctf_free(void * buf,size_t size)71 ctf_free(void *buf, size_t size)
72 {
73 free(buf);
74 }
75
76 /*ARGSUSED*/
77 void
mergeq_free(void * buf,size_t size)78 mergeq_free(void *buf, size_t size)
79 {
80 free(buf);
81 }
82
83 /*ARGSUSED*/
84 void
workq_free(void * buf,size_t size)85 workq_free(void *buf, size_t size)
86 {
87 free(buf);
88 }
89
90 const char *
ctf_strerror(int err)91 ctf_strerror(int err)
92 {
93 return (strerror(err));
94 }
95
96 /*PRINTFLIKE1*/
97 void
ctf_dprintf(const char * format,...)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