1 /* Copyright (C) 2001-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18
19 int process_elf32_file (const char *file_name, const char *lib,
20 int *flag, unsigned int *isa_level, char **soname,
21 void *file_contents, size_t file_length);
22 int process_elf64_file (const char *file_name, const char *lib,
23 int *flag, unsigned int *isa_level, char **soname,
24 void *file_contents, size_t file_length);
25
26 /* Returns 0 if everything is ok, != 0 in case of error. */
27 int
process_elf_file(const char * file_name,const char * lib,int * flag,unsigned int * isa_level,char ** soname,void * file_contents,size_t file_length)28 process_elf_file (const char *file_name, const char *lib, int *flag,
29 unsigned int *isa_level, char **soname, void *file_contents,
30 size_t file_length)
31 {
32 ElfW(Ehdr) *elf_header = (ElfW(Ehdr) *) file_contents;
33 int ret;
34
35 if (elf_header->e_ident [EI_CLASS] == ELFCLASS32)
36 return process_elf32_file (file_name, lib, flag, isa_level, soname,
37 file_contents, file_length);
38 else
39 {
40 ret = process_elf64_file (file_name, lib, flag, isa_level, soname,
41 file_contents, file_length);
42 /* S/390 64bit libraries are always libc.so.6+. */
43 if (!ret)
44 *flag = FLAG_S390_LIB64|FLAG_ELF_LIBC6;
45 return ret;
46 }
47 }
48
49 #undef __ELF_NATIVE_CLASS
50 #undef process_elf_file
51 #define process_elf_file process_elf32_file
52 #define __ELF_NATIVE_CLASS 32
53 #include "elf/readelflib.c"
54
55 #undef __ELF_NATIVE_CLASS
56 #undef process_elf_file
57 #define process_elf_file process_elf64_file
58 #define __ELF_NATIVE_CLASS 64
59 #include "elf/readelflib.c"
60