libebl/eblsectiontypename.c

   1 /* Return section type name.
   2    Copyright (C) 2001, 2002 Red Hat, Inc.
   3    Written by Ulrich Drepper <drepper@redhat.com>, 2001.
   4
   5    This program is Open Source software; you can redistribute it and/or
   6    modify it under the terms of the Open Software License version 1.0 as
   7    published by the Open Source Initiative.
   8
   9    You should have received a copy of the Open Software License along
  10    with this program; if not, you may obtain a copy of the Open Software
  11    License version 1.0 from http://www.opensource.org/licenses/osl.php or
  12    by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
  13    3001 King Ranch Road, Ukiah, CA 95482.   */
  14
  15 #ifdef HAVE_CONFIG_H
  16 # include <config.h>
  17 #endif
  18
  19 #include <stdio.h>
  20 #include <libeblP.h>
  21
  22
  23 const char *
  24 ebl_section_type_name (ebl, section, buf, len)
  25      Ebl *ebl;
  26      int section;
  27      char *buf;
  28      size_t len;
  29 {
  30   const char *res = ebl->section_type_name (section, buf, len);
  31
  32   if (res == NULL)
  33     {
  34       static const char *knowntypes[] =
  35         {
  36 #define KNOWNSTYPE(name) [SHT_##name] = #name
  37           KNOWNSTYPE (NULL),
  38           KNOWNSTYPE (PROGBITS),
  39           KNOWNSTYPE (SYMTAB),
  40           KNOWNSTYPE (STRTAB),
  41           KNOWNSTYPE (RELA),
  42           KNOWNSTYPE (HASH),
  43           KNOWNSTYPE (DYNAMIC),
  44           KNOWNSTYPE (NOTE),
  45           KNOWNSTYPE (NOBITS),
  46           KNOWNSTYPE (REL),
  47           KNOWNSTYPE (SHLIB),
  48           KNOWNSTYPE (DYNSYM),
  49           KNOWNSTYPE (INIT_ARRAY),
  50           KNOWNSTYPE (FINI_ARRAY),
  51           KNOWNSTYPE (PREINIT_ARRAY),
  52           KNOWNSTYPE (GROUP),
  53           KNOWNSTYPE (SYMTAB_SHNDX)
  54         };
  55
  56       /* Handle standard names.  */
  57       if ((size_t) section < sizeof (knowntypes) / sizeof (knowntypes[0])
  58           && knowntypes[section] != NULL)
  59         res = knowntypes[section];
  60       /* The symbol versioning/Sun extensions.  */
  61       else if (section >= SHT_LOSUNW && section <= SHT_HISUNW)
  62         {
  63           static const char *sunwtypes[] =
  64             {
  65 #undef KNOWNSTYPE
  66 #define KNOWNSTYPE(name) [SHT_##name - SHT_LOSUNW] = #name
  67               KNOWNSTYPE (SUNW_move),
  68               KNOWNSTYPE (SUNW_COMDAT),
  69               KNOWNSTYPE (SUNW_syminfo),
  70               KNOWNSTYPE (GNU_verdef),
  71               KNOWNSTYPE (GNU_verneed),
  72               KNOWNSTYPE (GNU_versym)
  73             };
  74           res = sunwtypes[section - SHT_LOSUNW];
  75         }
  76       else
  77         {
  78           /* A few GNU additions.  */
  79           if (section == SHT_CHECKSUM)
  80             res = "CHECKSUM";
  81           else if (section == SHT_GNU_LIBLIST)
  82             res = "GNU_LIBLIST";
  83           /* Handle OS-specific section names.  */
  84           else
  85             {
  86               if (section >= SHT_LOOS && section <= SHT_HIOS)
  87                 snprintf (buf, len, "SHT_LOOS+%x", section - SHT_LOOS);
  88               /* Handle processor-specific section names.  */
  89               else if (section >= SHT_LOPROC && section <= SHT_HIPROC)
  90                 snprintf (buf, len, "SHT_LOPROC+%x", section - SHT_LOPROC);
  91               else if ((unsigned int) section >= SHT_LOUSER
  92                        && (unsigned int) section <= SHT_HIUSER)
  93                 snprintf (buf, len, "SHT_LOUSER+%x", section - SHT_LOUSER);
  94               else
  95                 snprintf (buf, len, "%s: %d", gettext ("<unknown>"), section);
  96
  97               res = buf;
  98             }
  99         }
 100     }
 101
 102   return res;
 103 }