aboutsummaryrefslogtreecommitdiff
path: root/cddl/contrib/opensolaris/lib/libctf/common/ctf_subr.c
blob: 467b6a8181a854285260cf5cec8b4bd978b693fd (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#include <ctf_impl.h>
#include <libctf.h>
#include <sys/mman.h>
#include <stdarg.h>

void *
ctf_data_alloc(size_t size)
{
	return (mmap(NULL, size, PROT_READ | PROT_WRITE,
	    MAP_PRIVATE | MAP_ANON, -1, 0));
}

void
ctf_data_free(void *buf, size_t size)
{
	(void) munmap(buf, size);
}

void
ctf_data_protect(void *buf, size_t size)
{
	(void) mprotect(buf, size, PROT_READ);
}

void *
ctf_alloc(size_t size)
{
	return (malloc(size));
}

/*ARGSUSED*/
void
ctf_free(void *buf, size_t size)
{
	free(buf);
}

const char *
ctf_strerror(int err)
{
	return (strerror(err));
}

/*PRINTFLIKE1*/
void
ctf_dprintf(const char *format, ...)
{
	if (_libctf_debug) {
		va_list alist;

		va_start(alist, format);
		(void) fputs("libctf DEBUG: ", stderr);
		(void) vfprintf(stderr, format, alist);
		va_end(alist);
	}
}