sysdeps/unix/sysv/linux/x86_64/readelflib.c

   1 /* Copyright (C) 1999, 2001, 2002, 2005 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.
   5
   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.
  10
  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.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21
  22 int process_elf32_file (const char *file_name, const char *lib, int *flag,
  23                         unsigned int *osversion, char **soname,
  24                         void *file_contents, size_t file_length);
  25 int process_elf64_file (const char *file_name, const char *lib, int *flag,
  26                         unsigned int *osversion, char **soname,
  27                         void *file_contents, size_t file_length);
  28
  29 /* Returns 0 if everything is ok, != 0 in case of error.  */
  30 int
  31 process_elf_file (const char *file_name, const char *lib, int *flag,
  32                   unsigned int *osversion, char **soname, void *file_contents,
  33                   size_t file_length)
  34 {
  35   ElfW(Ehdr) *elf_header = (ElfW(Ehdr) *) file_contents;
  36   int ret;
  37
  38   if (elf_header->e_ident [EI_CLASS] == ELFCLASS32)
  39     return process_elf32_file (file_name, lib, flag, osversion, soname,
  40                                file_contents, file_length);
  41   else
  42     {
  43       ret = process_elf64_file (file_name, lib, flag, osversion, soname,
  44                                 file_contents, file_length);
  45       /* x86-64 64bit libraries are always libc.so.6+.  */
  46       if (!ret)
  47         *flag = FLAG_X8664_LIB64|FLAG_ELF_LIBC6;
  48       return ret;
  49     }
  50 }
  51
  52 #undef __ELF_NATIVE_CLASS
  53 #undef process_elf_file
  54 #define process_elf_file process_elf32_file
  55 #define __ELF_NATIVE_CLASS 32
  56 #include "elf/readelflib.c"
  57
  58 #undef __ELF_NATIVE_CLASS
  59 #undef process_elf_file
  60 #define process_elf_file process_elf64_file
  61 #define __ELF_NATIVE_CLASS 64
  62 #include "elf/readelflib.c"