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 #if HAVE_NBTOOL_CONFIG_H
28 # include "nbtool_config.h"
29 #endif
30
31 #pragma ident "%Z%%M% %I% %E% SMI"
32
33 #include <ctf_impl.h>
34 #include <sys/mman.h>
35 #include <stdarg.h>
36
37 void *
ctf_data_alloc(size_t size)38 ctf_data_alloc(size_t size)
39 {
40 return (mmap(NULL, size, PROT_READ | PROT_WRITE,
41 MAP_PRIVATE | MAP_ANON, -1, 0));
42 }
43
44 void
ctf_data_free(void * buf,size_t size)45 ctf_data_free(void *buf, size_t size)
46 {
47 (void) munmap(buf, size);
48 }
49
50 void
ctf_data_protect(void * buf,size_t size)51 ctf_data_protect(void *buf, size_t size)
52 {
53 (void) mprotect(buf, size, PROT_READ);
54 }
55
56 void *
ctf_alloc(size_t size)57 ctf_alloc(size_t size)
58 {
59 return (malloc(size));
60 }
61
62 /*ARGSUSED*/
63 void
ctf_free(void * buf,__unused size_t size)64 ctf_free(void *buf, __unused size_t size)
65 {
66 free(buf);
67 }
68
69 const char *
ctf_strerror(int err)70 ctf_strerror(int err)
71 {
72 return ((const char *) strerror(err));
73 }
74
75 /*PRINTFLIKE1*/
76 void
ctf_dprintf(const char * format,...)77 ctf_dprintf(const char *format, ...)
78 {
79 if (_libctf_debug) {
80 va_list alist;
81
82 va_start(alist, format);
83 (void) fputs("libctf DEBUG: ", stderr);
84 (void) vfprintf(stderr, format, alist);
85 va_end(alist);
86 }
87 }
88