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
|
/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Jaeger <aj@suse.de>, 1999 and
Jakub Jelinek <jakub@redhat.com>, 1999.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
int process_elf32_file (const char *file_name, const char *lib, int *flag,
unsigned int *osversion, char **soname,
void *file_contents, size_t file_length);
int process_elf64_file (const char *file_name, const char *lib, int *flag,
unsigned int *osversion, char **soname,
void *file_contents, size_t file_length);
/* Returns 0 if everything is ok, != 0 in case of error. */
int
process_elf_file (const char *file_name, const char *lib, int *flag,
unsigned int *osversion, char **soname, void *file_contents,
size_t file_length)
{
ElfW(Ehdr) *elf_header = (ElfW(Ehdr) *) file_contents;
int ret;
if (elf_header->e_ident [EI_CLASS] == ELFCLASS32)
{
Elf32_Ehdr *elf32_header = (Elf32_Ehdr *) elf_header;
ret = process_elf32_file (file_name, lib, flag, osversion, soname,
file_contents, file_length);
if (!ret && EF_ARM_EABI_VERSION (elf32_header->e_flags) == EF_ARM_EABI_VER5)
{
if (elf32_header->e_flags & EF_ARM_ABI_FLOAT_HARD)
*flag = FLAG_ARM_LIBHF|FLAG_ELF_LIBC6;
else if (elf32_header->e_flags & EF_ARM_ABI_FLOAT_SOFT)
*flag = FLAG_ARM_LIBSF|FLAG_ELF_LIBC6;
else
/* We must assume the unmarked objects are compatible
with all ABI variants. Such objects may have been
generated in a transitional period when the ABI
tags were not added to all objects. */
*flag = FLAG_ELF_LIBC6;
}
}
else
{
ret = process_elf64_file (file_name, lib, flag, osversion, soname,
file_contents, file_length);
/* AArch64 libraries are always libc.so.6+. */
if (!ret)
*flag = FLAG_AARCH64_LIB64|FLAG_ELF_LIBC6;
}
return ret;
}
#undef __ELF_NATIVE_CLASS
#undef process_elf_file
#define process_elf_file process_elf32_file
#define __ELF_NATIVE_CLASS 32
#include "elf/readelflib.c"
#undef __ELF_NATIVE_CLASS
#undef process_elf_file
#define process_elf_file process_elf64_file
#define __ELF_NATIVE_CLASS 64
#include "elf/readelflib.c"
|