libebl/ebldynamictagname.c

   1 /* Return dynamic tag name.
   2    Copyright (C) 2001, 2002, 2006, 2008 Red Hat, Inc.
   3    This file is part of elfutils.
   4    Written by Ulrich Drepper <drepper@redhat.com>, 2001.
   5
   6    This file is free software; you can redistribute it and/or modify
   7    it under the terms of either
   8
   9      * the GNU Lesser General Public License as published by the Free
  10        Software Foundation; either version 3 of the License, or (at
  11        your option) any later version
  12
  13    or
  14
  15      * the GNU General Public License as published by the Free
  16        Software Foundation; either version 2 of the License, or (at
  17        your option) any later version
  18
  19    or both in parallel, as here.
  20
  21    elfutils is distributed in the hope that it will be useful, but
  22    WITHOUT ANY WARRANTY; without even the implied warranty of
  23    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  24    General Public License for more details.
  25
  26    You should have received copies of the GNU General Public License and
  27    the GNU Lesser General Public License along with this program.  If
  28    not, see <http://www.gnu.org/licenses/>.  */
  29
  30 #ifdef HAVE_CONFIG_H
  31 # include <config.h>
  32 #endif
  33
  34 #include <inttypes.h>
  35 #include <stdio.h>
  36 #include <libeblP.h>
  37 #include "system.h"
  38
  39
  40 const char *
  41 ebl_dynamic_tag_name (Ebl *ebl, int64_t tag, char *buf, size_t len)
  42 {
  43   const char *res = ebl != NULL ? ebl->dynamic_tag_name (tag, buf, len) : NULL;
  44
  45   if (res == NULL)
  46     {
  47       if (tag >= 0 && tag < DT_NUM)
  48         {
  49           static const char *stdtags[] =
  50             {
  51               "NULL", "NEEDED", "PLTRELSZ", "PLTGOT", "HASH", "STRTAB",
  52               "SYMTAB", "RELA", "RELASZ", "RELAENT", "STRSZ", "SYMENT",
  53               "INIT", "FINI", "SONAME", "RPATH", "SYMBOLIC", "REL", "RELSZ",
  54               "RELENT", "PLTREL", "DEBUG", "TEXTREL", "JMPREL", "BIND_NOW",
  55               "INIT_ARRAY", "FINI_ARRAY", "INIT_ARRAYSZ", "FINI_ARRAYSZ",
  56               "RUNPATH", "FLAGS", "ENCODING", "PREINIT_ARRAY",
  57               "PREINIT_ARRAYSZ", "SYMTAB_SHNDX"
  58             };
  59           eu_static_assert (sizeof (stdtags) / sizeof (const char *) == DT_NUM);
  60
  61           res = stdtags[tag];
  62         }
  63       else if (tag == DT_VERSYM)
  64         res = "VERSYM";
  65       else if (tag >= DT_GNU_PRELINKED && tag <= DT_SYMINENT)
  66         {
  67           static const char *valrntags[] =
  68             {
  69               "GNU_PRELINKED", "GNU_CONFLICTSZ", "GNU_LIBLISTSZ",
  70               "CHECKSUM", "PLTPADSZ", "MOVEENT", "MOVESZ", "FEATURE_1",
  71               "POSFLAG_1", "SYMINSZ", "SYMINENT"
  72             };
  73
  74           res = valrntags[tag - DT_GNU_PRELINKED];
  75         }
  76       else if (tag >= DT_GNU_HASH && tag <= DT_SYMINFO)
  77         {
  78           static const char *addrrntags[] =
  79             {
  80               "GNU_HASH", "TLSDESC_PLT", "TLSDESC_GOT",
  81               "GNU_CONFLICT", "GNU_LIBLIST", "CONFIG", "DEPAUDIT", "AUDIT",
  82               "PLTPAD", "MOVETAB", "SYMINFO"
  83             };
  84
  85           res = addrrntags[tag - DT_GNU_HASH];
  86         }
  87       else if (tag >= DT_RELACOUNT && tag <= DT_VERNEEDNUM)
  88         {
  89           static const char *suntags[] =
  90             {
  91               "RELACOUNT", "RELCOUNT", "FLAGS_1", "VERDEF", "VERDEFNUM",
  92               "VERNEED", "VERNEEDNUM"
  93             };
  94
  95           res = suntags[tag - DT_RELACOUNT];
  96         }
  97       else if (tag == DT_AUXILIARY)
  98         res = "AUXILIARY";
  99       else if (tag == DT_FILTER)
 100         res = "FILTER";
 101       else
 102         {
 103           snprintf (buf, len, _("<unknown>: %#" PRIx64), tag);
 104
 105           res = buf;
 106
 107         }
 108     }
 109
 110   return res;
 111 }