2016-01-04 16:05:18 +00:00
|
|
|
/* Copyright (C) 1999-2016 Free Software Foundation, Inc.
|
2000-09-30 22:03:51 +00:00
|
|
|
This file is part of the GNU C Library.
|
|
|
|
Contributed by Andreas Jaeger <aj@suse.de>, 1999 and
|
|
|
|
Jakub Jelinek <jakub@redhat.com>, 2000.
|
|
|
|
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
2001-07-06 04:58:11 +00:00
|
|
|
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.
|
2000-09-30 22:03:51 +00:00
|
|
|
|
|
|
|
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
|
2001-07-06 04:58:11 +00:00
|
|
|
Lesser General Public License for more details.
|
2000-09-30 22:03:51 +00:00
|
|
|
|
2001-07-06 04:58:11 +00:00
|
|
|
You should have received a copy of the GNU Lesser General Public
|
2012-02-09 23:18:22 +00:00
|
|
|
License along with the GNU C Library; if not, see
|
|
|
|
<http://www.gnu.org/licenses/>. */
|
2000-09-30 22:03:51 +00:00
|
|
|
|
|
|
|
|
|
|
|
int process_elf32_file (const char *file_name, const char *lib, int *flag,
|
Update.
2001-03-12 Jakub Jelinek <jakub@redhat.com>
* csu/Makefile (abi-tag.h): Define OS and version separately, allow
version to be overriden from config.h.
* csu/abi-note.S: Use OS and version separately, include config.h.
* elf/dl-load.c (_dl_osversion): New.
(_dl_map_object_from_fd): Kill some warnings.
(open_verify): Check .note.ABI-tag of the library if present.
* elf/Makefile (CPPFLAGS-dl-load.c): Add -I$(csu-objpfx).
* elf/cache.c (struct cache_entry): Add osversion.
(print_entry): Print osversion.
(print_cache): Pass osversion to it.
(compare): Sort according to osversion.
(save_cache): Set osversion.
(add_to_cache): Add osversion argument.
* sysdeps/generic/ldconfig.h (add_to_cache, process_file,
process_elf_file): Add osversion argument.
* elf/readlib.c (process_file): Likewise.
* sysdeps/generic/readelflib.c (process_elf_file): Likewise.
* sysdeps/unix/sysv/linux/ia64/readelflib.c (process_elf_file,
process_elf32_file, process_elf64_file): Likewise.
* sysdeps/unix/sysv/linux/i386/readelflib.c (process_elf_file,
process_elf32_file, process_elf64_file): Likewise.
* sysdeps/unix/sysv/linux/sparc/readelflib.c (process_elf_file,
process_elf32_file, process_elf64_file): Likewise.
* elf/ldconfig.c (manual_link): Pass it.
(search_dir): Issue diagnostic if two libs with the same soname in
the same directory have different .note.ABI-tag. Record osversion in
dlib_entry and use it from there.
(struct lib_entry): Remove.
(struct dlib_entry): Add osversion.
* sysdeps/generic/dl-cache.c (_dl_load_cache_lookup): Check
osversion.
* sysdeps/generic/dl-cache.h (struct file_entry_new): Replace __unused
field with osversion.
* sysdeps/generic/ldsodefs.h (_dl_osversion): Declare.
* sysdeps/unix/sysv/linux/init-first.c: Include ldsodefs.h.
* sysdeps/unix/sysv/linux/dl-osinfo.h (DL_SYSDEP_OSCHECK): Save kernel
version in _dl_osversion.
* sysdeps/unix/sysv/linux/configure.in: Define __ABI_TAG_VERSION.
* Makerules (build-shlib-helper, build-module-helper): New.
(build-shlib, build-module-helper): Make sure .note.ABI-tag comes
early.
* config.h.in (__ABI_TAG_VERSION): Add.
* elf/dl-minimal.c (__strtoul_internal): Set endptr on return.
* sysdeps/unix/sysv/linux/i386/dl-librecon.h (EXTRA_LD_ENVVARS):
Handle LD_ASSUME_KERNEL.
* sysdeps/unix/sysv/linux/dl-librecon.h: New.
2001-03-16 07:40:05 +00:00
|
|
|
unsigned int *osversion, char **soname,
|
|
|
|
void *file_contents, size_t file_length);
|
2000-09-30 22:03:51 +00:00
|
|
|
int process_elf64_file (const char *file_name, const char *lib, int *flag,
|
Update.
2001-03-12 Jakub Jelinek <jakub@redhat.com>
* csu/Makefile (abi-tag.h): Define OS and version separately, allow
version to be overriden from config.h.
* csu/abi-note.S: Use OS and version separately, include config.h.
* elf/dl-load.c (_dl_osversion): New.
(_dl_map_object_from_fd): Kill some warnings.
(open_verify): Check .note.ABI-tag of the library if present.
* elf/Makefile (CPPFLAGS-dl-load.c): Add -I$(csu-objpfx).
* elf/cache.c (struct cache_entry): Add osversion.
(print_entry): Print osversion.
(print_cache): Pass osversion to it.
(compare): Sort according to osversion.
(save_cache): Set osversion.
(add_to_cache): Add osversion argument.
* sysdeps/generic/ldconfig.h (add_to_cache, process_file,
process_elf_file): Add osversion argument.
* elf/readlib.c (process_file): Likewise.
* sysdeps/generic/readelflib.c (process_elf_file): Likewise.
* sysdeps/unix/sysv/linux/ia64/readelflib.c (process_elf_file,
process_elf32_file, process_elf64_file): Likewise.
* sysdeps/unix/sysv/linux/i386/readelflib.c (process_elf_file,
process_elf32_file, process_elf64_file): Likewise.
* sysdeps/unix/sysv/linux/sparc/readelflib.c (process_elf_file,
process_elf32_file, process_elf64_file): Likewise.
* elf/ldconfig.c (manual_link): Pass it.
(search_dir): Issue diagnostic if two libs with the same soname in
the same directory have different .note.ABI-tag. Record osversion in
dlib_entry and use it from there.
(struct lib_entry): Remove.
(struct dlib_entry): Add osversion.
* sysdeps/generic/dl-cache.c (_dl_load_cache_lookup): Check
osversion.
* sysdeps/generic/dl-cache.h (struct file_entry_new): Replace __unused
field with osversion.
* sysdeps/generic/ldsodefs.h (_dl_osversion): Declare.
* sysdeps/unix/sysv/linux/init-first.c: Include ldsodefs.h.
* sysdeps/unix/sysv/linux/dl-osinfo.h (DL_SYSDEP_OSCHECK): Save kernel
version in _dl_osversion.
* sysdeps/unix/sysv/linux/configure.in: Define __ABI_TAG_VERSION.
* Makerules (build-shlib-helper, build-module-helper): New.
(build-shlib, build-module-helper): Make sure .note.ABI-tag comes
early.
* config.h.in (__ABI_TAG_VERSION): Add.
* elf/dl-minimal.c (__strtoul_internal): Set endptr on return.
* sysdeps/unix/sysv/linux/i386/dl-librecon.h (EXTRA_LD_ENVVARS):
Handle LD_ASSUME_KERNEL.
* sysdeps/unix/sysv/linux/dl-librecon.h: New.
2001-03-16 07:40:05 +00:00
|
|
|
unsigned int *osversion, char **soname,
|
|
|
|
void *file_contents, size_t file_length);
|
2000-09-30 22:03:51 +00:00
|
|
|
|
|
|
|
/* Returns 0 if everything is ok, != 0 in case of error. */
|
|
|
|
int
|
|
|
|
process_elf_file (const char *file_name, const char *lib, int *flag,
|
Update.
2001-03-12 Jakub Jelinek <jakub@redhat.com>
* csu/Makefile (abi-tag.h): Define OS and version separately, allow
version to be overriden from config.h.
* csu/abi-note.S: Use OS and version separately, include config.h.
* elf/dl-load.c (_dl_osversion): New.
(_dl_map_object_from_fd): Kill some warnings.
(open_verify): Check .note.ABI-tag of the library if present.
* elf/Makefile (CPPFLAGS-dl-load.c): Add -I$(csu-objpfx).
* elf/cache.c (struct cache_entry): Add osversion.
(print_entry): Print osversion.
(print_cache): Pass osversion to it.
(compare): Sort according to osversion.
(save_cache): Set osversion.
(add_to_cache): Add osversion argument.
* sysdeps/generic/ldconfig.h (add_to_cache, process_file,
process_elf_file): Add osversion argument.
* elf/readlib.c (process_file): Likewise.
* sysdeps/generic/readelflib.c (process_elf_file): Likewise.
* sysdeps/unix/sysv/linux/ia64/readelflib.c (process_elf_file,
process_elf32_file, process_elf64_file): Likewise.
* sysdeps/unix/sysv/linux/i386/readelflib.c (process_elf_file,
process_elf32_file, process_elf64_file): Likewise.
* sysdeps/unix/sysv/linux/sparc/readelflib.c (process_elf_file,
process_elf32_file, process_elf64_file): Likewise.
* elf/ldconfig.c (manual_link): Pass it.
(search_dir): Issue diagnostic if two libs with the same soname in
the same directory have different .note.ABI-tag. Record osversion in
dlib_entry and use it from there.
(struct lib_entry): Remove.
(struct dlib_entry): Add osversion.
* sysdeps/generic/dl-cache.c (_dl_load_cache_lookup): Check
osversion.
* sysdeps/generic/dl-cache.h (struct file_entry_new): Replace __unused
field with osversion.
* sysdeps/generic/ldsodefs.h (_dl_osversion): Declare.
* sysdeps/unix/sysv/linux/init-first.c: Include ldsodefs.h.
* sysdeps/unix/sysv/linux/dl-osinfo.h (DL_SYSDEP_OSCHECK): Save kernel
version in _dl_osversion.
* sysdeps/unix/sysv/linux/configure.in: Define __ABI_TAG_VERSION.
* Makerules (build-shlib-helper, build-module-helper): New.
(build-shlib, build-module-helper): Make sure .note.ABI-tag comes
early.
* config.h.in (__ABI_TAG_VERSION): Add.
* elf/dl-minimal.c (__strtoul_internal): Set endptr on return.
* sysdeps/unix/sysv/linux/i386/dl-librecon.h (EXTRA_LD_ENVVARS):
Handle LD_ASSUME_KERNEL.
* sysdeps/unix/sysv/linux/dl-librecon.h: New.
2001-03-16 07:40:05 +00:00
|
|
|
unsigned int *osversion, char **soname, void *file_contents,
|
|
|
|
size_t file_length)
|
2000-09-30 22:03:51 +00:00
|
|
|
{
|
|
|
|
ElfW(Ehdr) *elf_header = (ElfW(Ehdr) *) file_contents;
|
2012-03-16 22:03:37 +00:00
|
|
|
int ret, file_flag = 0;
|
2000-09-30 22:03:51 +00:00
|
|
|
|
2012-03-16 22:03:37 +00:00
|
|
|
switch (elf_header->e_machine)
|
2000-09-30 22:03:51 +00:00
|
|
|
{
|
2012-03-16 22:03:37 +00:00
|
|
|
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 SKIP_EM_IA_64
|
|
|
|
case EM_IA_64:
|
|
|
|
if (elf_header->e_ident[EI_CLASS] == ELFCLASS64)
|
2000-09-30 22:03:51 +00:00
|
|
|
{
|
2012-03-16 22:03:37 +00:00
|
|
|
/* IA64 64bit libraries are always libc.so.6+. */
|
|
|
|
file_flag = FLAG_IA64_LIB64|FLAG_ELF_LIBC6;
|
2000-09-30 22:03:51 +00:00
|
|
|
break;
|
|
|
|
}
|
2012-03-16 22:03:37 +00:00
|
|
|
goto failed;
|
|
|
|
#endif
|
|
|
|
case EM_386:
|
|
|
|
if (elf_header->e_ident[EI_CLASS] == ELFCLASS32)
|
|
|
|
break;
|
|
|
|
/* Fall through. */
|
|
|
|
default:
|
|
|
|
#ifndef SKIP_EM_IA_64
|
|
|
|
failed:
|
|
|
|
#endif
|
|
|
|
error (0, 0, _("%s is for unknown machine %d.\n"),
|
|
|
|
file_name, elf_header->e_machine);
|
|
|
|
return 1;
|
|
|
|
}
|
2000-09-30 22:03:51 +00:00
|
|
|
|
2012-03-16 22:03:37 +00:00
|
|
|
if (elf_header->e_ident[EI_CLASS] == ELFCLASS32)
|
|
|
|
ret = process_elf32_file (file_name, lib, flag, osversion, soname,
|
|
|
|
file_contents, file_length);
|
|
|
|
else
|
|
|
|
ret = process_elf64_file (file_name, lib, flag, osversion, soname,
|
|
|
|
file_contents, file_length);
|
2000-09-30 22:03:51 +00:00
|
|
|
|
2012-03-16 22:03:37 +00:00
|
|
|
if (!ret && file_flag)
|
|
|
|
*flag = file_flag;
|
|
|
|
|
|
|
|
return ret;
|
2000-09-30 22:03:51 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#undef __ELF_NATIVE_CLASS
|
|
|
|
#undef process_elf_file
|
|
|
|
#define process_elf_file process_elf32_file
|
|
|
|
#define __ELF_NATIVE_CLASS 32
|
2005-12-15 21:13:14 +00:00
|
|
|
#include "elf/readelflib.c"
|
2000-09-30 22:03:51 +00:00
|
|
|
|
|
|
|
#undef __ELF_NATIVE_CLASS
|
|
|
|
#undef process_elf_file
|
|
|
|
#define process_elf_file process_elf64_file
|
|
|
|
#define __ELF_NATIVE_CLASS 64
|
2005-12-15 21:13:14 +00:00
|
|
|
#include "elf/readelflib.c"
|