1/*-
2 * Copyright (c) 2006 The FreeBSD Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD$");
29
30#include <sys/param.h>
31#include <sys/linker.h>
32#include <err.h>
33#include <string.h>
34
35#include "asf.h"
36
37/*
38 * Get the linker file list using the kld interface.
39 * Works with a live kernel only.
40 */
41void
42asf_kld(void)
43{
44	struct kld_file_stat kfs;
45	int fid = 0;	/* indicates the beginning of the linker file list */
46
47	while ((fid = kldnext(fid)) != 0) {
48		if (fid == -1)
49			err(2, "kldnext");
50		kfs.version = sizeof(kfs);	/* must be set for kldstat(2) */
51		/* Get info on this linker file */
52		if (kldstat(fid, &kfs) == -1)
53			err(2, "kldstat");
54		if (strcmp(kfs.name, KERNFILE) == 0)
55			continue;
56		/* Add to our list of linker files */
57		kfile_add(kfs.name, kfs.address);
58	}
59}
60