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94 lines
3.0 KiB
C
94 lines
3.0 KiB
C
/* Copyright (C) 1999-2014 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Andreas Jaeger <aj@suse.de>, 1999 and
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Jakub Jelinek <jakub@redhat.com>, 2000.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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int process_elf32_file (const char *file_name, const char *lib, int *flag,
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unsigned int *osversion, char **soname,
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void *file_contents, size_t file_length);
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int process_elf64_file (const char *file_name, const char *lib, int *flag,
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unsigned int *osversion, char **soname,
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void *file_contents, size_t file_length);
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/* Returns 0 if everything is ok, != 0 in case of error. */
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int
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process_elf_file (const char *file_name, const char *lib, int *flag,
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unsigned int *osversion, char **soname, void *file_contents,
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size_t file_length)
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{
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ElfW(Ehdr) *elf_header = (ElfW(Ehdr) *) file_contents;
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int ret, file_flag = 0;
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switch (elf_header->e_machine)
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{
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case EM_X86_64:
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if (elf_header->e_ident[EI_CLASS] == ELFCLASS64)
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/* X86-64 64bit libraries are always libc.so.6+. */
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file_flag = FLAG_X8664_LIB64|FLAG_ELF_LIBC6;
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else
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/* X32 libraries are always libc.so.6+. */
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file_flag = FLAG_X8664_LIBX32|FLAG_ELF_LIBC6;
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break;
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#ifndef SKIP_EM_IA_64
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case EM_IA_64:
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if (elf_header->e_ident[EI_CLASS] == ELFCLASS64)
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{
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/* IA64 64bit libraries are always libc.so.6+. */
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file_flag = FLAG_IA64_LIB64|FLAG_ELF_LIBC6;
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break;
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}
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goto failed;
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#endif
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case EM_386:
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if (elf_header->e_ident[EI_CLASS] == ELFCLASS32)
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break;
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/* Fall through. */
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default:
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#ifndef SKIP_EM_IA_64
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failed:
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#endif
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error (0, 0, _("%s is for unknown machine %d.\n"),
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file_name, elf_header->e_machine);
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return 1;
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}
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if (elf_header->e_ident[EI_CLASS] == ELFCLASS32)
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ret = process_elf32_file (file_name, lib, flag, osversion, soname,
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file_contents, file_length);
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else
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ret = process_elf64_file (file_name, lib, flag, osversion, soname,
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file_contents, file_length);
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if (!ret && file_flag)
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*flag = file_flag;
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return ret;
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}
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#undef __ELF_NATIVE_CLASS
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#undef process_elf_file
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#define process_elf_file process_elf32_file
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#define __ELF_NATIVE_CLASS 32
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#include "elf/readelflib.c"
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#undef __ELF_NATIVE_CLASS
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#undef process_elf_file
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#define process_elf_file process_elf64_file
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#define __ELF_NATIVE_CLASS 64
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#include "elf/readelflib.c"
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