liblddbg/common/dynamic.c

	dynamic.c revision de777a601dfef76d8d54837de77dc672dce47498
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */
#pragma ident   "%Z%%M% %I% %E% SMI"

#include    <sgs.h>
#include    <stdio.h>
#include    <debug.h>
#include    <conv.h>
#include    <_debug.h>
#include    <msg.h>

/*
 * Print out the dynamic section entries.
 */
void
Elf_dyn_title(Lm_list *lml)
{
    dbg_print(lml, MSG_INTL(MSG_DYN_TITLE));
}

void
Elf_dyn_entry(Lm_list *lml, Dyn *dyn, int ndx, const char *name, Half mach)
{
    Conv_inv_buf_t  inv_buf;
    char        index[INDEX_STR_SIZE];

    (void) snprintf(index, sizeof (index), MSG_ORIG(MSG_FMT_INDEX), ndx);
    dbg_print(lml, MSG_INTL(MSG_DYN_ENTRY), index,
        conv_dyn_tag(dyn->d_tag, mach, 0, &inv_buf),
        EC_XWORD(dyn->d_un.d_val), name);
}

/*
 * Variant of Elf_dyn_entry() specifically for DT_NULL. Handles the
 * case of multiple adjacent DT_NULL entries by displaying them on
 * a single line using an index range instead of a single index.
 */
void
Elf_dyn_null_entry(Lm_list *lml, Dyn *dyn, int start_ndx, int end_ndx)
{
    Conv_inv_buf_t  inv_buf;
    char        index[2 * INDEX_STR_SIZE];

    if (start_ndx == end_ndx) {
        Elf_dyn_entry(lml, dyn, start_ndx, MSG_ORIG(MSG_STR_EMPTY), 0);
    } else {
        (void) snprintf(index, sizeof (index),
            MSG_ORIG(MSG_FMT_INDEX_RANGE), start_ndx, end_ndx);
        dbg_print(lml, MSG_INTL(MSG_DYN_ENTRY), index,
            conv_dyn_tag(DT_NULL, 0, 0, &inv_buf),
            EC_XWORD(dyn->d_un.d_val), MSG_ORIG(MSG_STR_EMPTY));
    }
}