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 3737 2019-05-05 14:49:50Z jkoshy $"); 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 * The ELF specification uses 32 bit unsigned values for 94 * denoting section types, and defines SHT_HIUSER to be 95 * 0xFFFFFFFFUL (i.e., UINT32_MAX). Consequently, we only 96 * need to check that 'sht' is greater than or equal to 97 * SHT_LOOS. 98 */ 99 if (sht >= SHT_LOOS) 100 return (ELF_T_BYTE); 101 102 /* 103 * Other values are unsupported. 104 */ 105 return (-1); 106 } 107 } 108