dynamic.c revision 3850:71162a8a771b 
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 */
38void
39Elf_dyn_title(Lm_list *lml)
40{
41	dbg_print(lml, MSG_INTL(MSG_DYN_TITLE));
42}
43
44void
45Elf_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
55void
56GElf_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 */
67void
68Elf_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