1  /* Special checks on libraries for ldconfig.  Linux/PowerPC version.
       2     Copyright (C) 2002-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  
      20  int process_elf32_file (const char *file_name, const char *lib,
      21  			int *flag, unsigned int *isa_level, char **soname,
      22  			void *file_contents, size_t file_length);
      23  int process_elf64_file (const char *file_name, const char *lib,
      24  			int *flag, unsigned int *isa_level, char **soname,
      25  			void *file_contents, size_t file_length);
      26  
      27  /* Returns 0 if everything is ok, != 0 in case of error.  */
      28  int
      29  process_elf_file (const char *file_name, const char *lib, int *flag,
      30  		  unsigned int *isa_level, char **soname, void *file_contents,
      31  		  size_t file_length)
      32  {
      33    ElfW(Ehdr) *elf_header = (ElfW(Ehdr) *) file_contents;
      34    int ret;
      35  
      36    if (elf_header->e_ident [EI_CLASS] == ELFCLASS32)
      37      return process_elf32_file (file_name, lib, flag, isa_level, soname,
      38  			       file_contents, file_length);
      39    else
      40      {
      41        ret = process_elf64_file (file_name, lib, flag, isa_level, soname,
      42  				file_contents, file_length);
      43        /* PowerPC 64bit libraries are always libc.so.6+.  */
      44        if (!ret)
      45  	*flag = FLAG_POWERPC_LIB64|FLAG_ELF_LIBC6;
      46        return ret;
      47      }
      48  }
      49  
      50  #undef __ELF_NATIVE_CLASS
      51  #undef process_elf_file
      52  #define process_elf_file process_elf32_file
      53  #define __ELF_NATIVE_CLASS 32
      54  #include "elf/readelflib.c"
      55  
      56  #undef __ELF_NATIVE_CLASS
      57  #undef process_elf_file
      58  #define process_elf_file process_elf64_file
      59  #define __ELF_NATIVE_CLASS 64
      60  #include "elf/readelflib.c"