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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@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 *
ebl_section_type_name(Ebl * ebl,int section,char * buf,size_t len)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", _("<unknown>"), section);
116 
117 	    res = buf;
118 	    break;
119 	  }
120     }
121 
122   return res;
123 }
124