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/* Copyright (C) 1999-2024 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 *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 *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 *isa_level, char **soname, void *file_contents,
size_t file_length)
{
ElfW(Ehdr) *elf_header = (ElfW(Ehdr) *) file_contents;
int ret, file_flag = 0;
switch (elf_header->e_machine)
{
case EM_X86_64:
if (elf_header->e_ident[EI_CLASS] == ELFCLASS64)
/* X86-64 64bit libraries are always libc.so.6+. */
file_flag = FLAG_X8664_LIB64|FLAG_ELF_LIBC6;
else
/* X32 libraries are always libc.so.6+. */
file_flag = FLAG_X8664_LIBX32|FLAG_ELF_LIBC6;
break;
#ifndef __x86_64__
case EM_IA_64:
if (elf_header->e_ident[EI_CLASS] == ELFCLASS64)
{
/* IA64 64bit libraries are always libc.so.6+. */
file_flag = FLAG_IA64_LIB64|FLAG_ELF_LIBC6;
break;
}
goto failed;
#endif
case EM_386:
if (elf_header->e_ident[EI_CLASS] == ELFCLASS32)
break;
/* Fall through. */
default:
#ifndef __x86_64__
failed:
#endif
error (0, 0, _("%s is for unknown machine %d.\n"),
file_name, elf_header->e_machine);
return 1;
}
if (elf_header->e_ident[EI_CLASS] == ELFCLASS32)
ret = process_elf32_file (file_name, lib, flag, isa_level, soname,
file_contents, file_length);
else
ret = process_elf64_file (file_name, lib, flag, isa_level, soname,
file_contents, file_length);
if (!ret && file_flag)
*flag = file_flag;
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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