xref: /titanic_50/usr/src/cmd/sgs/liblddbg/common/dynamic.c (revision 24da5b34f49324ed742a340010ed5bd3d4e06625)
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 /*
23  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 #include	<sgs.h>
29 #include	<stdio.h>
30 #include	<debug.h>
31 #include	<conv.h>
32 #include	<_debug.h>
33 #include	<msg.h>
34 
35 /*
36  * Print out the dynamic section entries.
37  */
38 void
39 Elf_dyn_title(Lm_list *lml)
40 {
41 	dbg_print(lml, MSG_INTL(MSG_DYN_TITLE));
42 }
43 
44 void
45 Elf_dyn_entry(Lm_list *lml, Dyn *dyn, int ndx, const char *name, Half mach)
46 {
47 	char	index[INDEX_STR_SIZE];
48 
49 	(void) snprintf(index, sizeof (index), MSG_ORIG(MSG_FMT_INDEX), ndx);
50 	dbg_print(lml, MSG_INTL(MSG_DYN_ENTRY), index,
51 	    conv_dyn_tag(dyn->d_tag, mach, 0), EC_XWORD(dyn->d_un.d_val), name);
52 }
53 
54 #ifdef _ELF64
55 void
56 GElf_dyn_entry(GElf_Dyn *dyn, int ndx, const char *name, GElf_Half mach)
57 {
58 	Elf_dyn_entry(NULL, dyn, ndx, name, mach);
59 }
60 #endif
61 
62 /*
63  * Variant of Elf_dyn_entry() specifically for DT_NULL. Handles the
64  * case of multiple adjacent DT_NULL entries by displaying them on
65  * a single line using an index range instead of a single index.
66  */
67 void
68 Elf_dyn_null_entry(Lm_list *lml, Dyn *dyn, int start_ndx, int end_ndx)
69 {
70 	char	index[2 * INDEX_STR_SIZE];
71 
72 	if (start_ndx == end_ndx) {
73 		Elf_dyn_entry(lml, dyn, start_ndx, MSG_ORIG(MSG_STR_EMPTY), 0);
74 	} else {
75 		(void) snprintf(index, sizeof (index),
76 		    MSG_ORIG(MSG_FMT_INDEX_RANGE), start_ndx, end_ndx);
77 		dbg_print(lml, MSG_INTL(MSG_DYN_ENTRY), index,
78 		    conv_dyn_tag(DT_NULL, 0, 0), EC_XWORD(dyn->d_un.d_val),
79 			MSG_ORIG(MSG_STR_EMPTY));
80 	}
81 }
82