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/* Copyright (C) 1999-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<https://www.gnu.org/licenses/>. */
int process_elf32_file (const char *file_name, const char *lib,
int *flag, unsigned int *osversion,
unsigned int *isa_level, char **soname,
void *file_contents, size_t file_length);
int process_elf64_file (const char *file_name, const char *lib,
int *flag, unsigned int *osversion,
unsigned int *isa_level, char **soname,
void *file_contents, size_t file_length);
/* Returns 0 if everything is ok, != 0 in case of error. */
int
process_elf_file (const char *file_name, const char *lib, int *flag,
unsigned int *osversion, unsigned int *isa_level,
char **soname, void *file_contents, size_t file_length)
{
union
{
Elf64_Ehdr *eh64;
Elf32_Ehdr *eh32;
ElfW(Ehdr) *eh;
}
elf_header;
int ret;
elf_header.eh = file_contents;
if (elf_header.eh->e_ident [EI_CLASS] == ELFCLASS32)
{
ret = process_elf32_file (file_name, lib, flag, osversion, isa_level,
soname, file_contents, file_length);
if (!ret)
{
Elf32_Word flags = elf_header.eh32->e_flags;
int nan2008 = (flags & EF_MIPS_NAN2008) != 0;
/* n32 libraries are always libc.so.6+, o32 only if 2008 NaN. */
if ((flags & EF_MIPS_ABI2) != 0)
*flag = (nan2008 ? FLAG_MIPS64_LIBN32_NAN2008
: FLAG_MIPS64_LIBN32) | FLAG_ELF_LIBC6;
else if (nan2008)
*flag = FLAG_MIPS_LIB32_NAN2008 | FLAG_ELF_LIBC6;
}
}
else
{
ret = process_elf64_file (file_name, lib, flag, osversion, isa_level,
soname, file_contents, file_length);
/* n64 libraries are always libc.so.6+. */
if (!ret)
{
Elf64_Word flags = elf_header.eh64->e_flags;
int nan2008 = (flags & EF_MIPS_NAN2008) != 0;
*flag = (nan2008 ? FLAG_MIPS64_LIBN64_NAN2008
: FLAG_MIPS64_LIBN64) | FLAG_ELF_LIBC6;
}
}
return ret;
}
#undef __ELF_NATIVE_CLASS
#undef process_elf_file
#define process_elf_file process_elf32_file
#define __ELF_NATIVE_CLASS 32
#include "elf/readelflib.c"
#undef __ELF_NATIVE_CLASS
#undef process_elf_file
#define process_elf_file process_elf64_file
#define __ELF_NATIVE_CLASS 64
#include "elf/readelflib.c"
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