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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, section, buf, len)
     40      Ebl *ebl;
     41      int section;
     42      char *buf;
     43      size_t len;
     44 {
     45   const char *res = ebl->section_type_name (section, buf, len);
     46 
     47   if (res == NULL)
     48     {
     49       static const char *knowntypes[] =
     50 	{
     51 #define KNOWNSTYPE(name) [SHT_##name] = #name
     52 	  KNOWNSTYPE (NULL),
     53 	  KNOWNSTYPE (PROGBITS),
     54 	  KNOWNSTYPE (SYMTAB),
     55 	  KNOWNSTYPE (STRTAB),
     56 	  KNOWNSTYPE (RELA),
     57 	  KNOWNSTYPE (HASH),
     58 	  KNOWNSTYPE (DYNAMIC),
     59 	  KNOWNSTYPE (NOTE),
     60 	  KNOWNSTYPE (NOBITS),
     61 	  KNOWNSTYPE (REL),
     62 	  KNOWNSTYPE (SHLIB),
     63 	  KNOWNSTYPE (DYNSYM),
     64 	  KNOWNSTYPE (INIT_ARRAY),
     65 	  KNOWNSTYPE (FINI_ARRAY),
     66 	  KNOWNSTYPE (PREINIT_ARRAY),
     67 	  KNOWNSTYPE (GROUP),
     68 	  KNOWNSTYPE (SYMTAB_SHNDX)
     69 	};
     70 
     71       /* Handle standard names.  */
     72       if ((size_t) section < sizeof (knowntypes) / sizeof (knowntypes[0])
     73 	  && knowntypes[section] != NULL)
     74 	res = knowntypes[section];
     75       /* The symbol versioning/Sun extensions.  */
     76       else if (section >= SHT_LOSUNW && section <= SHT_HISUNW)
     77 	{
     78 	  static const char *sunwtypes[] =
     79 	    {
     80 #undef KNOWNSTYPE
     81 #define KNOWNSTYPE(name) [SHT_##name - SHT_LOSUNW] = #name
     82 	      KNOWNSTYPE (SUNW_move),
     83 	      KNOWNSTYPE (SUNW_COMDAT),
     84 	      KNOWNSTYPE (SUNW_syminfo),
     85 	      KNOWNSTYPE (GNU_verdef),
     86 	      KNOWNSTYPE (GNU_verneed),
     87 	      KNOWNSTYPE (GNU_versym)
     88 	    };
     89 	  res = sunwtypes[section - SHT_LOSUNW];
     90 	}
     91       else
     92 	/* A few GNU additions.  */
     93 	switch (section)
     94 	  {
     95 	  case SHT_CHECKSUM:
     96 	    res = "CHECKSUM";
     97 	    break;
     98 	  case SHT_GNU_LIBLIST:
     99 	    res = "GNU_LIBLIST";
    100 	    break;
    101 	  case SHT_GNU_HASH:
    102 	    res = "GNU_HASH";
    103 	    break;
    104 	  case SHT_GNU_ATTRIBUTES:
    105 	    res = "GNU_ATTRIBUTES";
    106 	    break;
    107 
    108 	  default:
    109 	    /* Handle OS-specific section names.  */
    110 	    if (section >= SHT_LOOS && section <= SHT_HIOS)
    111 	      snprintf (buf, len, "SHT_LOOS+%x", section - SHT_LOOS);
    112 	    /* Handle processor-specific section names.  */
    113 	    else if (section >= SHT_LOPROC && section <= SHT_HIPROC)
    114 	      snprintf (buf, len, "SHT_LOPROC+%x", section - SHT_LOPROC);
    115 	    else if ((unsigned int) section >= SHT_LOUSER
    116 		     && (unsigned int) section <= SHT_HIUSER)
    117 	      snprintf (buf, len, "SHT_LOUSER+%x", section - SHT_LOUSER);
    118 	    else
    119 	      snprintf (buf, len, "%s: %d", gettext ("<unknown>"), section);
    120 
    121 	    res = buf;
    122 	    break;
    123 	  }
    124     }
    125 
    126   return res;
    127 }
    128