ctf_subr.c revision 178528 
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 <libctf.h>
31#include <sys/mman.h>
32#include <stdarg.h>
33
34void *
35ctf_data_alloc(size_t size)
36{
37	return (mmap(NULL, size, PROT_READ | PROT_WRITE,
38	    MAP_PRIVATE | MAP_ANON, -1, 0));
39}
40
41void
42ctf_data_free(void *buf, size_t size)
43{
44	(void) munmap(buf, size);
45}
46
47void
48ctf_data_protect(void *buf, size_t size)
49{
50	(void) mprotect(buf, size, PROT_READ);
51}
52
53void *
54ctf_alloc(size_t size)
55{
56	return (malloc(size));
57}
58
59/*ARGSUSED*/
60void
61ctf_free(void *buf, size_t size)
62{
63	free(buf);
64}
65
66const char *
67ctf_strerror(int err)
68{
69	return (strerror(err));
70}
71
72/*PRINTFLIKE1*/
73void
74ctf_dprintf(const char *format, ...)
75{
76	if (_libctf_debug) {
77		va_list alist;
78
79		va_start(alist, format);
80		(void) fputs("libctf DEBUG: ", stderr);
81		(void) vfprintf(stderr, format, alist);
82		va_end(alist);
83	}
84}
85