contrib/elftoolchain/libelf/libelf_data.c

   1 /*-
   2  * Copyright (c) 2006,2008 Joseph Koshy
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  */
  26
  27 #include <libelf.h>
  28
  29 #include "_libelf.h"
  30
  31 ELFTC_VCSID("$Id: libelf_data.c 3174 2015-03-27 17:13:41Z emaste $");
  32
  33 int
  34 _libelf_xlate_shtype(uint32_t sht)
  35 {
  36         /*
  37          * Look for known section types.
  38          */
  39         switch (sht) {
  40         case SHT_DYNAMIC:
  41                 return (ELF_T_DYN);
  42         case SHT_DYNSYM:
  43                 return (ELF_T_SYM);
  44         case SHT_FINI_ARRAY:
  45                 return (ELF_T_ADDR);
  46         case SHT_GNU_HASH:
  47                 return (ELF_T_GNUHASH);
  48         case SHT_GNU_LIBLIST:
  49                 return (ELF_T_WORD);
  50         case SHT_GROUP:
  51                 return (ELF_T_WORD);
  52         case SHT_HASH:
  53                 return (ELF_T_WORD);
  54         case SHT_INIT_ARRAY:
  55                 return (ELF_T_ADDR);
  56         case SHT_NOBITS:
  57                 return (ELF_T_BYTE);
  58         case SHT_NOTE:
  59                 return (ELF_T_NOTE);
  60         case SHT_PREINIT_ARRAY:
  61                 return (ELF_T_ADDR);
  62         case SHT_PROGBITS:
  63                 return (ELF_T_BYTE);
  64         case SHT_REL:
  65                 return (ELF_T_REL);
  66         case SHT_RELA:
  67                 return (ELF_T_RELA);
  68         case SHT_STRTAB:
  69                 return (ELF_T_BYTE);
  70         case SHT_SYMTAB:
  71                 return (ELF_T_SYM);
  72         case SHT_SYMTAB_SHNDX:
  73                 return (ELF_T_WORD);
  74         case SHT_SUNW_dof:
  75                 return (ELF_T_BYTE);
  76         case SHT_SUNW_move:
  77                 return (ELF_T_MOVE);
  78         case SHT_SUNW_syminfo:
  79                 return (ELF_T_SYMINFO);
  80         case SHT_SUNW_verdef:   /* == SHT_GNU_verdef */
  81                 return (ELF_T_VDEF);
  82         case SHT_SUNW_verneed:  /* == SHT_GNU_verneed */
  83                 return (ELF_T_VNEED);
  84         case SHT_SUNW_versym:   /* == SHT_GNU_versym */
  85                 return (ELF_T_HALF);
  86         default:
  87                 /*
  88                  * Values in the range [SHT_LOOS..SHT_HIUSER] (i.e.,
  89                  * OS, processor and user-defined section types) are
  90                  * legal, but since we do not know anything more about
  91                  * their semantics, we return a type of ELF_T_BYTE.
  92                  */
  93                 if (sht >= SHT_LOOS && sht <= SHT_HIUSER)
  94                         return (ELF_T_BYTE);
  95
  96                 /*
  97                  * Other values are unsupported.
  98                  */
  99                 return (-1);
 100         }
 101 }