xref: /illumos-gate/usr/src/uts/common/krtld/kobj_lm.c (revision 2d6eb4a5)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*7c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate  */
26*7c478bd9Sstevel@tonic-gate 
27*7c478bd9Sstevel@tonic-gate /*
28*7c478bd9Sstevel@tonic-gate  * krtld link maps
29*7c478bd9Sstevel@tonic-gate  */
30*7c478bd9Sstevel@tonic-gate 
31*7c478bd9Sstevel@tonic-gate #include <sys/kobj.h>
32*7c478bd9Sstevel@tonic-gate #include <sys/kobj_impl.h>
33*7c478bd9Sstevel@tonic-gate #include <sys/modctl.h>
34*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
35*7c478bd9Sstevel@tonic-gate 
36*7c478bd9Sstevel@tonic-gate #pragma weak primaries = kobj_linkmaps	/* backwards compatibility */
37*7c478bd9Sstevel@tonic-gate struct modctl_list *kobj_linkmaps[] = {
38*7c478bd9Sstevel@tonic-gate 	NULL,
39*7c478bd9Sstevel@tonic-gate 	NULL,
40*7c478bd9Sstevel@tonic-gate 	NULL
41*7c478bd9Sstevel@tonic-gate };
42*7c478bd9Sstevel@tonic-gate 
43*7c478bd9Sstevel@tonic-gate #define	KOBJ_LM_NENT	(sizeof (kobj_linkmaps) / sizeof (struct modctl *) - 1)
44*7c478bd9Sstevel@tonic-gate 
45*7c478bd9Sstevel@tonic-gate struct modctl_list *
kobj_lm_lookup(int lmid)46*7c478bd9Sstevel@tonic-gate kobj_lm_lookup(int lmid)
47*7c478bd9Sstevel@tonic-gate {
48*7c478bd9Sstevel@tonic-gate 	if (lmid < 0 || lmid >= KOBJ_LM_NENT)
49*7c478bd9Sstevel@tonic-gate 		return (NULL);
50*7c478bd9Sstevel@tonic-gate 
51*7c478bd9Sstevel@tonic-gate 	return (kobj_linkmaps[lmid]);
52*7c478bd9Sstevel@tonic-gate }
53*7c478bd9Sstevel@tonic-gate 
54*7c478bd9Sstevel@tonic-gate void
kobj_lm_append(int lmid,struct modctl * modp)55*7c478bd9Sstevel@tonic-gate kobj_lm_append(int lmid, struct modctl *modp)
56*7c478bd9Sstevel@tonic-gate {
57*7c478bd9Sstevel@tonic-gate 	struct modctl_list **lpp, *lp;
58*7c478bd9Sstevel@tonic-gate 
59*7c478bd9Sstevel@tonic-gate 	if (lmid < 0 || lmid >= KOBJ_LM_NENT)
60*7c478bd9Sstevel@tonic-gate 		return;
61*7c478bd9Sstevel@tonic-gate 
62*7c478bd9Sstevel@tonic-gate 	lpp = &kobj_linkmaps[lmid];
63*7c478bd9Sstevel@tonic-gate 
64*7c478bd9Sstevel@tonic-gate 	lp = kobj_zalloc(sizeof (struct modctl_list), KM_WAIT);
65*7c478bd9Sstevel@tonic-gate 	lp->modl_modp = modp;
66*7c478bd9Sstevel@tonic-gate 
67*7c478bd9Sstevel@tonic-gate 	if (*lpp == NULL) {
68*7c478bd9Sstevel@tonic-gate 		*lpp = lp;
69*7c478bd9Sstevel@tonic-gate 	} else {
70*7c478bd9Sstevel@tonic-gate 		struct modctl_list *last;
71*7c478bd9Sstevel@tonic-gate 
72*7c478bd9Sstevel@tonic-gate 		for (last = *lpp; last->modl_next != NULL;
73*7c478bd9Sstevel@tonic-gate 		    last = last->modl_next)
74*7c478bd9Sstevel@tonic-gate 			/* */;
75*7c478bd9Sstevel@tonic-gate 
76*7c478bd9Sstevel@tonic-gate 		last->modl_next = lp;
77*7c478bd9Sstevel@tonic-gate 	}
78*7c478bd9Sstevel@tonic-gate }
79*7c478bd9Sstevel@tonic-gate 
80*7c478bd9Sstevel@tonic-gate void
kobj_lm_dump(int lmid)81*7c478bd9Sstevel@tonic-gate kobj_lm_dump(int lmid)
82*7c478bd9Sstevel@tonic-gate {
83*7c478bd9Sstevel@tonic-gate 	struct modctl_list *lp;
84*7c478bd9Sstevel@tonic-gate 
85*7c478bd9Sstevel@tonic-gate 	for (lp = kobj_lm_lookup(lmid); lp; lp = lp->modl_next) {
86*7c478bd9Sstevel@tonic-gate 		struct module *mp = lp->modl_modp->mod_mp;
87*7c478bd9Sstevel@tonic-gate 
88*7c478bd9Sstevel@tonic-gate 		_kobj_printf(ops, "module %s: ", mp->filename);
89*7c478bd9Sstevel@tonic-gate 		_kobj_printf(ops, "text at [0x%p, ", mp->text);
90*7c478bd9Sstevel@tonic-gate 		_kobj_printf(ops, "0x%lx] ", (uintptr_t)mp->text +
91*7c478bd9Sstevel@tonic-gate 		    mp->text_size - 1);
92*7c478bd9Sstevel@tonic-gate 		_kobj_printf(ops, "data at 0x%p\n", mp->data);
93*7c478bd9Sstevel@tonic-gate 	}
94*7c478bd9Sstevel@tonic-gate }
95