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

   1 /* Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Alexandre Oliva <aoliva@redhat.com>
   4    Based on work ../x86_64/readelflib.c,
   5    contributed by Andreas Jaeger <aj@suse.de>, 1999 and
   6                   Jakub Jelinek <jakub@redhat.com>, 1999.
   7
   8    The GNU C Library is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU Lesser General Public
  10    License as published by the Free Software Foundation; either
  11    version 2.1 of the License, or (at your option) any later version.
  12
  13    The GNU C Library is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16    Lesser General Public License for more details.
  17
  18    You should have received a copy of the GNU Lesser General Public
  19    License along with the GNU C Library; if not, write to the Free
  20    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  21    02111-1307 USA.  */
  22
  23
  24 int process_elf32_file (const char *file_name, const char *lib, int *flag,
  25                         unsigned int *osversion, char **soname,
  26                         void *file_contents, size_t file_length);
  27 int process_elf64_file (const char *file_name, const char *lib, int *flag,
  28                         unsigned int *osversion, char **soname,
  29                         void *file_contents, size_t file_length);
  30
  31 /* Returns 0 if everything is ok, != 0 in case of error.  */
  32 int
  33 process_elf_file (const char *file_name, const char *lib, int *flag,
  34                   unsigned int *osversion, char **soname, void *file_contents,
  35                   size_t file_length)
  36 {
  37   ElfW(Ehdr) *elf_header = (ElfW(Ehdr) *) file_contents;
  38   int ret;
  39
  40   if (elf_header->e_ident [EI_CLASS] == ELFCLASS32)
  41     {
  42       ret = process_elf32_file (file_name, lib, flag, osversion, soname,
  43                                 file_contents, file_length);
  44
  45       /* n32 libraries are always libc.so.6+.  */
  46       if (ret && (elf_header->e_flags & EF_MIPS_ABI2) != 0)
  47         *flag = FLAG_MIPS64_LIBN32|FLAG_ELF_LIBC6;
  48     }
  49   else
  50     {
  51       ret = process_elf64_file (file_name, lib, flag, osversion, soname,
  52                                 file_contents, file_length);
  53       /* n64 libraries are always libc.so.6+.  */
  54       if (!ret)
  55         *flag = FLAG_MIPS64_LIBN64|FLAG_ELF_LIBC6;
  56     }
  57
  58   return ret;
  59 }
  60
  61 #undef __ELF_NATIVE_CLASS
  62 #undef process_elf_file
  63 #define process_elf_file process_elf32_file
  64 #define __ELF_NATIVE_CLASS 32
  65 #include "sysdeps/generic/readelflib.c"
  66
  67 #undef __ELF_NATIVE_CLASS
  68 #undef process_elf_file
  69 #define process_elf_file process_elf64_file
  70 #define __ELF_NATIVE_CLASS 64
  71 #include "sysdeps/generic/readelflib.c"