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 #pragma ident "%Z%%M% %I% %E% SMI"
28
29 #include <ctf_impl.h>
30 #include <sys/mman.h>
31 #include <stdarg.h>
32
33 void *
ctf_data_alloc(size_t size)34 ctf_data_alloc(size_t size)
35 {
36 return (mmap(NULL, size, PROT_READ | PROT_WRITE,
37 MAP_PRIVATE | MAP_ANON, -1, 0));
38 }
39
40 void
ctf_data_free(void * buf,size_t size)41 ctf_data_free(void *buf, size_t size)
42 {
43 (void) munmap(buf, size);
44 }
45
46 void
ctf_data_protect(void * buf,size_t size)47 ctf_data_protect(void *buf, size_t size)
48 {
49 (void) mprotect(buf, size, PROT_READ);
50 }
51
52 void *
ctf_alloc(size_t size)53 ctf_alloc(size_t size)
54 {
55 return (malloc(size));
56 }
57
58 /*ARGSUSED*/
59 void
ctf_free(void * buf,__unused size_t size)60 ctf_free(void *buf, __unused size_t size)
61 {
62 free(buf);
63 }
64
65 const char *
ctf_strerror(int err)66 ctf_strerror(int err)
67 {
68 return ((const char *) strerror(err));
69 }
70
71 /*PRINTFLIKE1*/
72 void
ctf_dprintf(const char * format,...)73 ctf_dprintf(const char *format, ...)
74 {
75 if (_libctf_debug) {
76 va_list alist;
77
78 va_start(alist, format);
79 (void) fputs("libctf DEBUG: ", stderr);
80 (void) vfprintf(stderr, format, alist);
81 va_end(alist);
82 }
83 }
84