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92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
/* Copyright (C) 1999-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Alexandre Oliva <aoliva@redhat.com>
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Based on work ../x86_64/readelflib.c,
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contributed by Andreas Jaeger <aj@suse.de>, 1999 and
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Jakub Jelinek <jakub@redhat.com>, 1999.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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int process_elf32_file (const char *file_name, const char *lib, int *flag,
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unsigned int *osversion, char **soname,
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void *file_contents, size_t file_length);
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int process_elf64_file (const char *file_name, const char *lib, int *flag,
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unsigned int *osversion, char **soname,
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void *file_contents, size_t file_length);
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/* Returns 0 if everything is ok, != 0 in case of error. */
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int
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process_elf_file (const char *file_name, const char *lib, int *flag,
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unsigned int *osversion, char **soname, void *file_contents,
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size_t file_length)
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{
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union
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{
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Elf64_Ehdr *eh64;
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Elf32_Ehdr *eh32;
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ElfW(Ehdr) *eh;
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}
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elf_header;
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int ret;
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elf_header.eh = file_contents;
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if (elf_header.eh->e_ident [EI_CLASS] == ELFCLASS32)
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{
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ret = process_elf32_file (file_name, lib, flag, osversion, soname,
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file_contents, file_length);
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if (!ret)
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{
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Elf32_Word flags = elf_header.eh32->e_flags;
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int nan2008 = (flags & EF_MIPS_NAN2008) != 0;
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/* n32 libraries are always libc.so.6+, o32 only if 2008 NaN. */
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if ((flags & EF_MIPS_ABI2) != 0)
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*flag = (nan2008 ? FLAG_MIPS64_LIBN32_NAN2008
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: FLAG_MIPS64_LIBN32) | FLAG_ELF_LIBC6;
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else if (nan2008)
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*flag = FLAG_MIPS_LIB32_NAN2008 | FLAG_ELF_LIBC6;
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}
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}
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else
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{
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ret = process_elf64_file (file_name, lib, flag, osversion, soname,
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file_contents, file_length);
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/* n64 libraries are always libc.so.6+. */
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if (!ret)
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{
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Elf64_Word flags = elf_header.eh64->e_flags;
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int nan2008 = (flags & EF_MIPS_NAN2008) != 0;
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*flag = (nan2008 ? FLAG_MIPS64_LIBN64_NAN2008
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: FLAG_MIPS64_LIBN64) | FLAG_ELF_LIBC6;
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}
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}
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return ret;
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}
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#undef __ELF_NATIVE_CLASS
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#undef process_elf_file
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#define process_elf_file process_elf32_file
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#define __ELF_NATIVE_CLASS 32
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#include "elf/readelflib.c"
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#undef __ELF_NATIVE_CLASS
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#undef process_elf_file
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#define process_elf_file process_elf64_file
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#define __ELF_NATIVE_CLASS 64
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#include "elf/readelflib.c"
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