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      1 /* Return section type name.
      2    Copyright (C) 2001, 2002, 2006, 2008 Red Hat, Inc.
      3    This file is part of Red Hat elfutils.
      4    Written by Ulrich Drepper <drepper (at) redhat.com>, 2001.
      5 
      6    Red Hat elfutils is free software; you can redistribute it and/or modify
      7    it under the terms of the GNU General Public License as published by the
      8    Free Software Foundation; version 2 of the License.
      9 
     10    Red Hat elfutils is distributed in the hope that it will be useful, but
     11    WITHOUT ANY WARRANTY; without even the implied warranty of
     12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13    General Public License for more details.
     14 
     15    You should have received a copy of the GNU General Public License along
     16    with Red Hat elfutils; if not, write to the Free Software Foundation,
     17    Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
     18 
     19    In addition, as a special exception, Red Hat, Inc. gives You the
     20    additional right to link the code of Red Hat elfutils with code licensed
     21    under any Open Source Initiative certified open source license
     22    (http://www.opensource.org/licenses/index.php) which requires the
     23    distribution of source code with any binary distribution and to
     24    distribute linked combinations of the two.  Non-GPL Code permitted under
     25    this exception must only link to the code of Red Hat elfutils through
     26    those well defined interfaces identified in the file named EXCEPTION
     27    found in the source code files (the "Approved Interfaces").  The files
     28    of Non-GPL Code may instantiate templates or use macros or inline
     29    functions from the Approved Interfaces without causing the resulting
     30    work to be covered by the GNU General Public License.  Only Red Hat,
     31    Inc. may make changes or additions to the list of Approved Interfaces.
     32    Red Hat's grant of this exception is conditioned upon your not adding
     33    any new exceptions.  If you wish to add a new Approved Interface or
     34    exception, please contact Red Hat.  You must obey the GNU General Public
     35    License in all respects for all of the Red Hat elfutils code and other
     36    code used in conjunction with Red Hat elfutils except the Non-GPL Code
     37    covered by this exception.  If you modify this file, you may extend this
     38    exception to your version of the file, but you are not obligated to do
     39    so.  If you do not wish to provide this exception without modification,
     40    you must delete this exception statement from your version and license
     41    this file solely under the GPL without exception.
     42 
     43    Red Hat elfutils is an included package of the Open Invention Network.
     44    An included package of the Open Invention Network is a package for which
     45    Open Invention Network licensees cross-license their patents.  No patent
     46    license is granted, either expressly or impliedly, by designation as an
     47    included package.  Should you wish to participate in the Open Invention
     48    Network licensing program, please visit www.openinventionnetwork.com
     49    <http://www.openinventionnetwork.com>.  */
     50 
     51 #ifdef HAVE_CONFIG_H
     52 # include <config.h>
     53 #endif
     54 
     55 #include <stdio.h>
     56 #include <libeblP.h>
     57 
     58 
     59 const char *
     60 ebl_section_type_name (ebl, section, buf, len)
     61      Ebl *ebl;
     62      int section;
     63      char *buf;
     64      size_t len;
     65 {
     66   const char *res = ebl->section_type_name (section, buf, len);
     67 
     68   if (res == NULL)
     69     {
     70       static const char *knowntypes[] =
     71 	{
     72 #define KNOWNSTYPE(name) [SHT_##name] = #name
     73 	  KNOWNSTYPE (NULL),
     74 	  KNOWNSTYPE (PROGBITS),
     75 	  KNOWNSTYPE (SYMTAB),
     76 	  KNOWNSTYPE (STRTAB),
     77 	  KNOWNSTYPE (RELA),
     78 	  KNOWNSTYPE (HASH),
     79 	  KNOWNSTYPE (DYNAMIC),
     80 	  KNOWNSTYPE (NOTE),
     81 	  KNOWNSTYPE (NOBITS),
     82 	  KNOWNSTYPE (REL),
     83 	  KNOWNSTYPE (SHLIB),
     84 	  KNOWNSTYPE (DYNSYM),
     85 	  KNOWNSTYPE (INIT_ARRAY),
     86 	  KNOWNSTYPE (FINI_ARRAY),
     87 	  KNOWNSTYPE (PREINIT_ARRAY),
     88 	  KNOWNSTYPE (GROUP),
     89 	  KNOWNSTYPE (SYMTAB_SHNDX)
     90 	};
     91 
     92       /* Handle standard names.  */
     93       if ((size_t) section < sizeof (knowntypes) / sizeof (knowntypes[0])
     94 	  && knowntypes[section] != NULL)
     95 	res = knowntypes[section];
     96       /* The symbol versioning/Sun extensions.  */
     97       else if (section >= SHT_LOSUNW && section <= SHT_HISUNW)
     98 	{
     99 	  static const char *sunwtypes[] =
    100 	    {
    101 #undef KNOWNSTYPE
    102 #define KNOWNSTYPE(name) [SHT_##name - SHT_LOSUNW] = #name
    103 	      KNOWNSTYPE (SUNW_move),
    104 	      KNOWNSTYPE (SUNW_COMDAT),
    105 	      KNOWNSTYPE (SUNW_syminfo),
    106 	      KNOWNSTYPE (GNU_verdef),
    107 	      KNOWNSTYPE (GNU_verneed),
    108 	      KNOWNSTYPE (GNU_versym)
    109 	    };
    110 	  res = sunwtypes[section - SHT_LOSUNW];
    111 	}
    112       else
    113 	/* A few GNU additions.  */
    114 	switch (section)
    115 	  {
    116 	  case SHT_CHECKSUM:
    117 	    res = "CHECKSUM";
    118 	    break;
    119 	  case SHT_GNU_LIBLIST:
    120 	    res = "GNU_LIBLIST";
    121 	    break;
    122 	  case SHT_GNU_HASH:
    123 	    res = "GNU_HASH";
    124 	    break;
    125 	  case SHT_GNU_ATTRIBUTES:
    126 	    res = "GNU_ATTRIBUTES";
    127 	    break;
    128 
    129 	  default:
    130 	    /* Handle OS-specific section names.  */
    131 	    if (section >= SHT_LOOS && section <= SHT_HIOS)
    132 	      snprintf (buf, len, "SHT_LOOS+%x", section - SHT_LOOS);
    133 	    /* Handle processor-specific section names.  */
    134 	    else if (section >= SHT_LOPROC && section <= SHT_HIPROC)
    135 	      snprintf (buf, len, "SHT_LOPROC+%x", section - SHT_LOPROC);
    136 	    else if ((unsigned int) section >= SHT_LOUSER
    137 		     && (unsigned int) section <= SHT_HIUSER)
    138 	      snprintf (buf, len, "SHT_LOUSER+%x", section - SHT_LOUSER);
    139 	    else
    140 	      snprintf (buf, len, "%s: %d", gettext ("<unknown>"), section);
    141 
    142 	    res = buf;
    143 	    break;
    144 	  }
    145     }
    146 
    147   return res;
    148 }
    149