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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 elfutils.
      4    Written by Ulrich Drepper <drepper (at) 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 <stdio.h>
     35 #include <libeblP.h>
     36 
     37 
     38 const char *
     39 ebl_section_type_name (Ebl *ebl, int section, char *buf, size_t len)
     40 {
     41   const char *res = ebl->section_type_name (section, buf, len);
     42 
     43   if (res == NULL)
     44     {
     45       static const char *knowntypes[] =
     46 	{
     47 #define KNOWNSTYPE(name) [SHT_##name] = #name
     48 	  KNOWNSTYPE (NULL),
     49 	  KNOWNSTYPE (PROGBITS),
     50 	  KNOWNSTYPE (SYMTAB),
     51 	  KNOWNSTYPE (STRTAB),
     52 	  KNOWNSTYPE (RELA),
     53 	  KNOWNSTYPE (HASH),
     54 	  KNOWNSTYPE (DYNAMIC),
     55 	  KNOWNSTYPE (NOTE),
     56 	  KNOWNSTYPE (NOBITS),
     57 	  KNOWNSTYPE (REL),
     58 	  KNOWNSTYPE (SHLIB),
     59 	  KNOWNSTYPE (DYNSYM),
     60 	  KNOWNSTYPE (INIT_ARRAY),
     61 	  KNOWNSTYPE (FINI_ARRAY),
     62 	  KNOWNSTYPE (PREINIT_ARRAY),
     63 	  KNOWNSTYPE (GROUP),
     64 	  KNOWNSTYPE (SYMTAB_SHNDX)
     65 	};
     66 
     67       /* Handle standard names.  */
     68       if ((size_t) section < sizeof (knowntypes) / sizeof (knowntypes[0])
     69 	  && knowntypes[section] != NULL)
     70 	res = knowntypes[section];
     71       /* The symbol versioning/Sun extensions.  */
     72       else if (section >= SHT_LOSUNW && section <= SHT_HISUNW)
     73 	{
     74 	  static const char *sunwtypes[] =
     75 	    {
     76 #undef KNOWNSTYPE
     77 #define KNOWNSTYPE(name) [SHT_##name - SHT_LOSUNW] = #name
     78 	      KNOWNSTYPE (SUNW_move),
     79 	      KNOWNSTYPE (SUNW_COMDAT),
     80 	      KNOWNSTYPE (SUNW_syminfo),
     81 	      KNOWNSTYPE (GNU_verdef),
     82 	      KNOWNSTYPE (GNU_verneed),
     83 	      KNOWNSTYPE (GNU_versym)
     84 	    };
     85 	  res = sunwtypes[section - SHT_LOSUNW];
     86 	}
     87       else
     88 	/* A few GNU additions.  */
     89 	switch (section)
     90 	  {
     91 	  case SHT_CHECKSUM:
     92 	    res = "CHECKSUM";
     93 	    break;
     94 	  case SHT_GNU_LIBLIST:
     95 	    res = "GNU_LIBLIST";
     96 	    break;
     97 	  case SHT_GNU_HASH:
     98 	    res = "GNU_HASH";
     99 	    break;
    100 	  case SHT_GNU_ATTRIBUTES:
    101 	    res = "GNU_ATTRIBUTES";
    102 	    break;
    103 
    104 	  default:
    105 	    /* Handle OS-specific section names.  */
    106 	    if (section >= SHT_LOOS && section <= SHT_HIOS)
    107 	      snprintf (buf, len, "SHT_LOOS+%x", section - SHT_LOOS);
    108 	    /* Handle processor-specific section names.  */
    109 	    else if (section >= SHT_LOPROC && section <= SHT_HIPROC)
    110 	      snprintf (buf, len, "SHT_LOPROC+%x", section - SHT_LOPROC);
    111 	    else if ((unsigned int) section >= SHT_LOUSER
    112 		     && (unsigned int) section <= SHT_HIUSER)
    113 	      snprintf (buf, len, "SHT_LOUSER+%x", section - SHT_LOUSER);
    114 	    else
    115 	      snprintf (buf, len, "%s: %d", gettext ("<unknown>"), section);
    116 
    117 	    res = buf;
    118 	    break;
    119 	  }
    120     }
    121 
    122   return res;
    123 }
    124