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git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/unix/sysv/linux/arm/readelflib.c
1 /* Copyright (C) 1999-2020 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Andreas Jaeger <aj@suse.de>, 1999 and
4 Jakub Jelinek <jakub@redhat.com>, 1999.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <https://www.gnu.org/licenses/>. */
21 int process_elf32_file (const char *file_name
, const char *lib
, int *flag
,
22 unsigned int *osversion
, char **soname
,
23 void *file_contents
, size_t file_length
);
24 int process_elf64_file (const char *file_name
, const char *lib
, int *flag
,
25 unsigned int *osversion
, char **soname
,
26 void *file_contents
, size_t file_length
);
28 /* Returns 0 if everything is ok, != 0 in case of error. */
30 process_elf_file (const char *file_name
, const char *lib
, int *flag
,
31 unsigned int *osversion
, char **soname
, void *file_contents
,
34 ElfW(Ehdr
) *elf_header
= (ElfW(Ehdr
) *) file_contents
;
37 if (elf_header
->e_ident
[EI_CLASS
] == ELFCLASS32
)
39 Elf32_Ehdr
*elf32_header
= (Elf32_Ehdr
*) elf_header
;
41 ret
= process_elf32_file (file_name
, lib
, flag
, osversion
, soname
,
42 file_contents
, file_length
);
44 if (!ret
&& EF_ARM_EABI_VERSION (elf32_header
->e_flags
) == EF_ARM_EABI_VER5
)
46 if (elf32_header
->e_flags
& EF_ARM_ABI_FLOAT_HARD
)
47 *flag
= FLAG_ARM_LIBHF
|FLAG_ELF_LIBC6
;
48 else if (elf32_header
->e_flags
& EF_ARM_ABI_FLOAT_SOFT
)
49 *flag
= FLAG_ARM_LIBSF
|FLAG_ELF_LIBC6
;
51 /* We must assume the unmarked objects are compatible
52 with all ABI variants. Such objects may have been
53 generated in a transitional period when the ABI
54 tags were not added to all objects. */
55 *flag
= FLAG_ELF_LIBC6
;
60 ret
= process_elf64_file (file_name
, lib
, flag
, osversion
, soname
,
61 file_contents
, file_length
);
62 /* AArch64 libraries are always libc.so.6+. */
64 *flag
= FLAG_AARCH64_LIB64
|FLAG_ELF_LIBC6
;
69 #undef __ELF_NATIVE_CLASS
70 #undef process_elf_file
71 #define process_elf_file process_elf32_file
72 #define __ELF_NATIVE_CLASS 32
73 #include "elf/readelflib.c"
75 #undef __ELF_NATIVE_CLASS
76 #undef process_elf_file
77 #define process_elf_file process_elf64_file
78 #define __ELF_NATIVE_CLASS 64
79 #include "elf/readelflib.c"