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
|
/* Return the size of an object file type.
Copyright (C) 1998, 1999, 2000, 2002 Red Hat, Inc.
Written by Ulrich Drepper <drepper@redhat.com>, 1998.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <gelf.h>
#include <stddef.h>
#include "libelfP.h"
/* These are the sizes for all the known types. */
const size_t __libelf_type_sizes[EV_NUM - 1][ELFCLASSNUM - 1][ELF_T_NUM] =
{
/* We have no entry for EV_NONE siince we have to set an error. */
[EV_CURRENT - 1] = {
[ELFCLASS32 - 1] = {
#define TYPE_SIZES(LIBELFBITS) \
[ELF_T_ADDR] = ELFW2(LIBELFBITS, FSZ_ADDR), \
[ELF_T_OFF] = ELFW2(LIBELFBITS, FSZ_OFF), \
[ELF_T_BYTE] = 1, \
[ELF_T_HALF] = ELFW2(LIBELFBITS, FSZ_HALF), \
[ELF_T_WORD] = ELFW2(LIBELFBITS, FSZ_WORD), \
[ELF_T_SWORD] = ELFW2(LIBELFBITS, FSZ_SWORD), \
[ELF_T_XWORD] = ELFW2(LIBELFBITS, FSZ_XWORD), \
[ELF_T_SXWORD] = ELFW2(LIBELFBITS, FSZ_SXWORD), \
[ELF_T_EHDR] = sizeof (ElfW2(LIBELFBITS, Ext_Ehdr)), \
[ELF_T_SHDR] = sizeof (ElfW2(LIBELFBITS, Ext_Shdr)), \
[ELF_T_SYM] = sizeof (ElfW2(LIBELFBITS, Ext_Sym)), \
[ELF_T_REL] = sizeof (ElfW2(LIBELFBITS, Ext_Rel)), \
[ELF_T_RELA] = sizeof (ElfW2(LIBELFBITS, Ext_Rela)), \
[ELF_T_PHDR] = sizeof (ElfW2(LIBELFBITS, Ext_Phdr)), \
[ELF_T_DYN] = sizeof (ElfW2(LIBELFBITS, Ext_Dyn)), \
[ELF_T_VDEF] = sizeof (ElfW2(LIBELFBITS, Ext_Verdef)), \
[ELF_T_VDAUX] = sizeof (ElfW2(LIBELFBITS, Ext_Verdaux)), \
[ELF_T_VNEED] = sizeof (ElfW2(LIBELFBITS, Ext_Verneed)), \
[ELF_T_VNAUX] = sizeof (ElfW2(LIBELFBITS, Ext_Vernaux)), \
[ELF_T_NHDR] = sizeof (ElfW2(LIBELFBITS, Ext_Nhdr)), \
[ELF_T_SYMINFO] = sizeof (ElfW2(LIBELFBITS, Ext_Syminfo)), \
[ELF_T_MOVE] = sizeof (ElfW2(LIBELFBITS, Ext_Move))
TYPE_SIZES (32)
},
[ELFCLASS64 - 1] = {
TYPE_SIZES (64)
}
}
};
size_t
gelf_fsize (Elf *elf, Elf_Type type, size_t count, unsigned int version)
{
/* We do not have differences between file and memory sizes. Better
not since otherwise `mmap' would not work. */
if (elf == NULL)
return 0;
if (version == EV_NONE || version >= EV_NUM)
{
__libelf_seterrno (ELF_E_UNKNOWN_VERSION);
return 0;
}
if (type >= ELF_T_NUM)
{
__libelf_seterrno (ELF_E_UNKNOWN_TYPE);
return 0;
}
#if EV_NUM != 2
return count * __libelf_type_sizes[version - 1][elf->class - 1][type];
#else
return count * __libelf_type_sizes[0][elf->class - 1][type];
#endif
}
INTDEF(gelf_fsize)
|
