mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 21:10:07 +00:00
91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
/* 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"
|