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

   1 /* Copyright (C) 1999, 2001, 2002, 2003, 2005, 2009
   2    Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Alexandre Oliva <aoliva@redhat.com>
   5    Based on work ../x86_64/readelflib.c,
   6    contributed by Andreas Jaeger <aj@suse.de>, 1999 and
   7                   Jakub Jelinek <jakub@redhat.com>, 1999.
   8
   9    The GNU C Library is free software; you can redistribute it and/or
  10    modify it under the terms of the GNU Lesser General Public
  11    License as published by the Free Software Foundation; either
  12    version 2.1 of the License, or (at your option) any later version.
  13
  14    The GNU C Library is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17    Lesser General Public License for more details.
  18
  19    You should have received a copy of the GNU Lesser General Public
  20    License along with the GNU C Library.  If not, see
  21    <http://www.gnu.org/licenses/>.  */
  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       Elf32_Ehdr *elf32_header = (Elf32_Ehdr *) elf_header;
  43
  44       ret = process_elf32_file (file_name, lib, flag, osversion, soname,
  45                                 file_contents, file_length);
  46
  47       /* n32 libraries are always libc.so.6+.  */
  48       if (!ret && (elf32_header->e_flags & EF_MIPS_ABI2) != 0)
  49         *flag = FLAG_MIPS64_LIBN32|FLAG_ELF_LIBC6;
  50     }
  51   else
  52     {
  53       ret = process_elf64_file (file_name, lib, flag, osversion, soname,
  54                                 file_contents, file_length);
  55       /* n64 libraries are always libc.so.6+.  */
  56       if (!ret)
  57         *flag = FLAG_MIPS64_LIBN64|FLAG_ELF_LIBC6;
  58     }
  59
  60   return ret;
  61 }
  62
  63 #undef __ELF_NATIVE_CLASS
  64 #undef process_elf_file
  65 #define process_elf_file process_elf32_file
  66 #define __ELF_NATIVE_CLASS 32
  67 #include "elf/readelflib.c"
  68
  69 #undef __ELF_NATIVE_CLASS
  70 #undef process_elf_file
  71 #define process_elf_file process_elf64_file
  72 #define __ELF_NATIVE_CLASS 64
  73 #include "elf/readelflib.c"