1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
/*-
* Copyright (c) 2006,2008 Joseph Koshy
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <libelf.h>
#include "_libelf.h"
ELFTC_VCSID("$Id: libelf_data.c,v 1.2 2020/05/18 06:46:23 jsg Exp $");
int
_libelf_xlate_shtype(uint32_t sht)
{
/*
* Look for known section types.
*/
switch (sht) {
case SHT_DYNAMIC:
return (ELF_T_DYN);
case SHT_DYNSYM:
return (ELF_T_SYM);
case SHT_FINI_ARRAY:
return (ELF_T_ADDR);
case SHT_GNU_HASH:
return (ELF_T_GNUHASH);
case SHT_GNU_LIBLIST:
return (ELF_T_WORD);
case SHT_GROUP:
return (ELF_T_WORD);
case SHT_HASH:
return (ELF_T_WORD);
case SHT_INIT_ARRAY:
return (ELF_T_ADDR);
case SHT_NOBITS:
return (ELF_T_BYTE);
case SHT_NOTE:
return (ELF_T_NOTE);
case SHT_PREINIT_ARRAY:
return (ELF_T_ADDR);
case SHT_PROGBITS:
return (ELF_T_BYTE);
case SHT_REL:
return (ELF_T_REL);
case SHT_RELA:
return (ELF_T_RELA);
case SHT_STRTAB:
return (ELF_T_BYTE);
case SHT_SYMTAB:
return (ELF_T_SYM);
case SHT_SYMTAB_SHNDX:
return (ELF_T_WORD);
case SHT_SUNW_dof:
return (ELF_T_BYTE);
case SHT_SUNW_move:
return (ELF_T_MOVE);
case SHT_SUNW_syminfo:
return (ELF_T_SYMINFO);
case SHT_SUNW_verdef: /* == SHT_GNU_verdef */
return (ELF_T_VDEF);
case SHT_SUNW_verneed: /* == SHT_GNU_verneed */
return (ELF_T_VNEED);
case SHT_SUNW_versym: /* == SHT_GNU_versym */
return (ELF_T_HALF);
default:
/*
* Values in the range [SHT_LOOS..SHT_HIUSER] (i.e.,
* OS, processor and user-defined section types) are
* legal, but since we do not know anything more about
* their semantics, we return a type of ELF_T_BYTE.
*
* The ELF specification uses 32 bit unsigned values for
* denoting section types, and defines SHT_HIUSER to be
* 0xFFFFFFFFUL (i.e., UINT32_MAX). Consequently, we only
* need to check that 'sht' is greater than or equal to
* SHT_LOOS.
*/
if (sht >= SHT_LOOS)
return (ELF_T_BYTE);
/*
* Other values are unsupported.
*/
return (-1);
}
}
|
