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git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/unix/sysv/linux/i386/readelflib.c
1 /* Copyright (C) 1999-2019 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>, 2000.
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
;
35 int ret
, file_flag
= 0;
37 switch (elf_header
->e_machine
)
40 if (elf_header
->e_ident
[EI_CLASS
] == ELFCLASS64
)
41 /* X86-64 64bit libraries are always libc.so.6+. */
42 file_flag
= FLAG_X8664_LIB64
|FLAG_ELF_LIBC6
;
44 /* X32 libraries are always libc.so.6+. */
45 file_flag
= FLAG_X8664_LIBX32
|FLAG_ELF_LIBC6
;
49 if (elf_header
->e_ident
[EI_CLASS
] == ELFCLASS64
)
51 /* IA64 64bit libraries are always libc.so.6+. */
52 file_flag
= FLAG_IA64_LIB64
|FLAG_ELF_LIBC6
;
58 if (elf_header
->e_ident
[EI_CLASS
] == ELFCLASS32
)
65 error (0, 0, _("%s is for unknown machine %d.\n"),
66 file_name
, elf_header
->e_machine
);
70 if (elf_header
->e_ident
[EI_CLASS
] == ELFCLASS32
)
71 ret
= process_elf32_file (file_name
, lib
, flag
, osversion
, soname
,
72 file_contents
, file_length
);
74 ret
= process_elf64_file (file_name
, lib
, flag
, osversion
, soname
,
75 file_contents
, file_length
);
77 if (!ret
&& file_flag
)
83 #undef __ELF_NATIVE_CLASS
84 #undef process_elf_file
85 #define process_elf_file process_elf32_file
86 #define __ELF_NATIVE_CLASS 32
87 #include "elf/readelflib.c"
89 #undef __ELF_NATIVE_CLASS
90 #undef process_elf_file
91 #define process_elf_file process_elf64_file
92 #define __ELF_NATIVE_CLASS 64
93 #include "elf/readelflib.c"