usr/src/cmd/sgs/liblddbg/common/dynamic.c

   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 2009 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #include        <sgs.h>
  28 #include        <stdio.h>
  29 #include        <debug.h>
  30 #include        <conv.h>
  31 #include        <_debug.h>
  32 #include        <msg.h>
  33
  34 /*
  35  * Print out the dynamic section entries.
  36  */
  37 void
  38 Elf_dyn_title(Lm_list *lml)
  39 {
  40         dbg_print(lml, MSG_INTL(MSG_DYN_TITLE));
  41 }
  42
  43 void
  44 Elf_dyn_entry(Lm_list *lml, Dyn *dyn, int ndx, const char *name,
  45     uchar_t osabi, Half mach)
  46 {
  47         Conv_inv_buf_t  inv_buf;
  48         char            index[INDEX_STR_SIZE];
  49
  50         (void) snprintf(index, sizeof (index), MSG_ORIG(MSG_FMT_INDEX), ndx);
  51         dbg_print(lml, MSG_INTL(MSG_DYN_ENTRY), index,
  52             conv_dyn_tag(dyn->d_tag, osabi, mach, 0, &inv_buf),
  53             EC_XWORD(dyn->d_un.d_val), name);
  54 }
  55
  56 /*
  57  * Variant of Elf_dyn_entry() specifically for DT_NULL. Handles the
  58  * case of multiple adjacent DT_NULL entries by displaying them on
  59  * a single line using an index range instead of a single index.
  60  */
  61 void
  62 Elf_dyn_null_entry(Lm_list *lml, Dyn *dyn, int start_ndx, int end_ndx)
  63 {
  64         Conv_inv_buf_t  inv_buf;
  65         char            index[2 * INDEX_STR_SIZE];
  66
  67         if (start_ndx == end_ndx) {
  68                 Elf_dyn_entry(lml, dyn, start_ndx, MSG_ORIG(MSG_STR_EMPTY),
  69                     ELFOSABI_NONE, 0);
  70         } else {
  71                 (void) snprintf(index, sizeof (index),
  72                     MSG_ORIG(MSG_FMT_INDEX_RANGE), start_ndx, end_ndx);
  73                 dbg_print(lml, MSG_INTL(MSG_DYN_ENTRY), index,
  74                     conv_dyn_tag(DT_NULL, ELFOSABI_NONE, 0, 0, &inv_buf),
  75                     EC_XWORD(dyn->d_un.d_val), MSG_ORIG(MSG_STR_EMPTY));
  76         }
  77 }