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

   1 /* Copyright (C) 1999-2013 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, see
  20    <http://www.gnu.org/licenses/>.  */
  21
  22
  23 int process_elf32_file (const char *file_name, const char *lib, int *flag,
  24                         unsigned int *osversion, char **soname,
  25                         void *file_contents, size_t file_length);
  26 int process_elf64_file (const char *file_name, const char *lib, int *flag,
  27                         unsigned int *osversion, char **soname,
  28                         void *file_contents, size_t file_length);
  29
  30 /* Returns 0 if everything is ok, != 0 in case of error.  */
  31 int
  32 process_elf_file (const char *file_name, const char *lib, int *flag,
  33                   unsigned int *osversion, char **soname, void *file_contents,
  34                   size_t file_length)
  35 {
  36   ElfW(Ehdr) *elf_header = (ElfW(Ehdr) *) file_contents;
  37   int ret;
  38
  39   if (elf_header->e_ident [EI_CLASS] == ELFCLASS32)
  40     {
  41       Elf32_Ehdr *elf32_header = (Elf32_Ehdr *) elf_header;
  42
  43       ret = process_elf32_file (file_name, lib, flag, osversion, soname,
  44                                 file_contents, file_length);
  45
  46       /* n32 libraries are always libc.so.6+.  */
  47       if (!ret && (elf32_header->e_flags & EF_MIPS_ABI2) != 0)
  48         *flag = FLAG_MIPS64_LIBN32|FLAG_ELF_LIBC6;
  49     }
  50   else
  51     {
  52       ret = process_elf64_file (file_name, lib, flag, osversion, soname,
  53                                 file_contents, file_length);
  54       /* n64 libraries are always libc.so.6+.  */
  55       if (!ret)
  56         *flag = FLAG_MIPS64_LIBN64|FLAG_ELF_LIBC6;
  57     }
  58
  59   return ret;
  60 }
  61
  62 #undef __ELF_NATIVE_CLASS
  63 #undef process_elf_file
  64 #define process_elf_file process_elf32_file
  65 #define __ELF_NATIVE_CLASS 32
  66 #include "elf/readelflib.c"
  67
  68 #undef __ELF_NATIVE_CLASS
  69 #undef process_elf_file
  70 #define process_elf_file process_elf64_file
  71 #define __ELF_NATIVE_CLASS 64
  72 #include "elf/readelflib.c"