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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#pragma ident	"%Z%%M%	%I%	%E% SMI"
27
28#include <kmdb/kctl/kctl.h>
29
30#include <sys/modctl.h>
31#include <sys/bootconf.h>
32#include <sys/kobj.h>
33#include <sys/kobj_impl.h>
34#include <sys/kmdb.h>
35
36static uintptr_t
37kctl_lookup_by_name(char *modname, char *symname)
38{
39	struct modctl *mctl;
40	Sym *ksym;
41	uintptr_t addr;
42
43	if ((mctl = mod_hold_by_name(modname)) == NULL)
44		return (0);
45	if ((ksym = kobj_lookup_all(mctl->mod_mp, symname, 1)) == NULL) {
46		mod_release_mod(mctl);
47		return (0);
48	}
49
50	addr = ksym->st_value;
51
52	mod_release_mod(mctl);
53
54	return (addr);
55}
56
57static uintptr_t
58kctl_boot_lookup_by_name(char *modname, char *symname)
59{
60	struct modctl *mctl;
61	Sym *ksym;
62
63	if ((mctl = kobj_boot_mod_lookup(modname)) == NULL)
64		return (0);
65
66	if ((ksym = kobj_lookup_all(mctl->mod_mp, symname, 1)) == NULL)
67		return (0);
68
69	return (ksym->st_value);
70}
71
72void
73kctl_auxv_init(kmdb_auxv_t *kav, const char *cfg, const char **argv, void *romp)
74{
75	bzero(kav, sizeof (kmdb_auxv_t));
76	kav->kav_dseg = kctl.kctl_dseg;
77	kav->kav_dseg_size = kctl.kctl_dseg_size;
78	kav->kav_pagesize = PAGESIZE;
79	kav->kav_ncpu = NCPU;
80	kav->kav_kdi = &kobj_kdi;
81	kav->kav_wrintr_fire = kctl_wrintr_fire;
82
83	kav->kav_config = cfg;
84	kav->kav_argv = argv;
85	kav->kav_modpath = kobj_module_path;
86
87	kctl_dprintf("kctl_auxv_init: modpath '%s'", kav->kav_modpath);
88
89	if (kctl.kctl_boot_loaded) {
90		kav->kav_lookup_by_name = kctl_boot_lookup_by_name;
91		kav->kav_flags |= KMDB_AUXV_FL_NOUNLOAD;
92	} else
93		kav->kav_lookup_by_name = kctl_lookup_by_name;
94
95	if (kctl.kctl_flags & KMDB_F_TRAP_NOSWITCH)
96		kav->kav_flags |= KMDB_AUXV_FL_NOTRPSWTCH;
97
98	kctl_auxv_init_isadep(kav, romp); /* can modify anything in kav */
99}
100
101void
102kctl_auxv_fini(kmdb_auxv_t *kav)
103{
104	kctl_auxv_fini_isadep(kav);
105}
106