glibc/sysdeps/unix/sysv/linux/i386/dl-librecon.h
Ulrich Drepper a42195dbe4 Update.
2000-03-23  Andreas Jaeger  <aj@suse.de>

	* elf/dl-addr.c: Adjust include paths for ldsodefs location
	change.
	* elf/dl-debug.c: Likewise.
	* elf/dl-deps.c: Likewise.
	* elf/dl-error.c: Likewise.
	* elf/dl-fini.c: Likewise.
	* elf/dl-init.c: Likewise.
	* elf/dl-load.c: Likewise.
	* elf/dl-lookup.c: Likewise.
	* elf/dl-minimal.c: Likewise.
	* elf/dl-object.c: Likewise.
	* elf/dl-open.c: Likewise.
	* elf/dl-preinit.c: Likewise.
	* elf/dl-profile.c: Likewise.
	* elf/dl-profstub.c: Likewise.
	* elf/dl-reloc.c: Likewise.
	* elf/dl-runtime.c: Likewise.
	* elf/dl-support.c: Likewise.
	* elf/dl-symbol.c: Likewise.
	* elf/dl-version.c: Likewise.
	* elf/rtld.c: Likewise.
	* elf/sprof.c: Likewise.
	* sysdeps/generic/dl-cache.c: Likewise.
	* sysdeps/generic/dl-origin.c: Likewise.
	* sysdeps/generic/dl-sysdep.c: Likewise.
	* sysdeps/generic/elf/backtracesyms.c: Likewise.
	* sysdeps/generic/elf/backtracesymsfd.c: Likewise.
	* sysdeps/generic/libc-start.c: Likewise.
	* sysdeps/mach/hurd/dl-sysdep.c: Likewise.
	* sysdeps/powerpc/dl-machine.c: Likewise.
	* sysdeps/powerpc/elf/libc-start.c: Likewise.
	* sysdeps/sparc/sparc32/dl-machine.h: Likewise.
	* sysdeps/sparc/sparc64/dl-machine.h: Likewise.
	* sysdeps/unix/sysv/linux/dl-origin.c: Likewise.

	* elf/ldsodefs.h: Move file to ...
	* sysdeps/generic/ldsodefs.h: ... here.

	* sysdeps/generic/ldsodefs.h: Add definition for D_PTR.
	
	* sysdeps/mips/elf/ldsodefs.h: New file.

	* elf/dl-version.c (match_symbol): Use D_PTR to access relocated
	entries in l_info.
	(_dl_check_map_versions): Likewise.
	* elf/dl-reloc.c (_dl_relocate_object): Likewise.
	* elf/dl-load.c (_dl_init_paths): Likewise.
	(_dl_map_object): Likewise.
	* elf/dynamic-link.h (_ELF_DYNAMIC_DO_RELOC): Likewise.
	(elf_get_dynamic_info): Likewise.
	* elf/do-lookup.h (FCT): Likewise.
	* elf/do-rel.h (elf_dynamic_do_rel): Likewise.
	* elf/dl-deps.c (_dl_map_object_deps): Likewise.
	* elf/dl-addr.c (_dl_addr): Likewise.
	* elf/dl-runtime.c (profile_fixup): Likewise.
	(fixup): Likewise.
	* elf/dl-init.c (_dl_init_next): Likewise.
	* sysdeps/generic/dl-machine.h (elf_machine_runtime_setup): Likewise.
	* sysdeps/unix/sysv/linux/i386/dl-librecon.h
	(DISTINGUISH_LIB_VERSIONS): Likewise.
	* sysdeps/i386/dl-machine.h (elf_machine_runtime_setup): Likewise.
	(elf_machine_rel): Likewise.

	* elf/dynamic-link.h (elf_get_dynamic_info): Only change l_info
	for writable dynamic section.
2000-03-23 20:31:46 +00:00

62 lines
2.4 KiB
C

/* Optional code to distinguish library flavours.
Copyright (C) 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _DL_LIBRECON_H
#define _DL_LIBRECON_H 1
#define DISTINGUISH_LIB_VERSIONS \
do \
{ \
/* We have to find out whether the binary is linked against \
libc 5 or glibc. We do this by looking at all the DT_NEEDED \
entries. If one is libc.so.5 this is a libc 5 linked binary. */ \
if (_dl_loaded->l_info[DT_NEEDED]) \
{ \
/* We have dependencies. */ \
const ElfW(Dyn) *d; \
const char *strtab; \
\
strtab = (const char *) D_PTR (_dl_loaded, l_info[DT_STRTAB]); \
\
for (d = _dl_loaded->l_ld; d->d_tag != DT_NULL; ++d) \
if (d->d_tag == DT_NEEDED \
&& strcmp (strtab + d->d_un.d_val, "libc.so.5") == 0) \
break; \
\
/* We print a `5' or `6' depending on the outcome. */ \
_dl_sysdep_message (d->d_tag != DT_NULL ? "5\n" : "6\n", NULL); \
} \
} \
while (0)
/* Recognizing extra environment variables. */
#define EXTRA_LD_ENVVARS \
case 15: \
if (memcmp (&envline[3], "LIBRARY_VERSION", 15) == 0) \
{ \
_dl_correct_cache_id = envline[19] == '5' ? 2 : 3; \
break; \
}
/* Extra unsecure variables. */
#define EXTRA_UNSECURE_ENVVARS "LD_AOUT_LIBRARY_PATH", "LD_AOUT_PRELOAD"
#endif /* dl-librecon.h */