mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-19 03:20:05 +00:00
d6b5d570a3
2002-01-30 Ulrich Drepper <drepper@redhat.com> * Versions.def [ld]: Add GLIBC_2.3. * elf/dl-addr.c: Move global variables for SHARED code in struct _rtld_global. Export this struct, remove all exports for the signal variables. * elf/dl-close.c: Likewise. * elf/dl-conflict.c: Likewise. * elf/dl-debug.c: Likewise. * elf/dl-deps.c: Likewise. * elf/dl-dst.h: Likewise. * elf/dl-error.c: Likewise. * elf/dl-fini.c: Likewise. * elf/dl-init.c: Likewise. * elf/dl-iteratephdr.c: Likewise. * elf/dl-libc.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-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-sym.c: Likewise. * elf/dl-version.c: Likewise. * elf/do-lookup.h: Likewise. * elf/do-rel.h: Likewise. * elf/dynamic-link.h: Likewise. * elf/rtld.c: Likewise. * sysdeps/generic/dl-cache.c: Likewise. * sysdeps/generic/dl-sysdep.c: Likewise. * sysdeps/generic/ldsodefs.h: Likewise. * sysdeps/generic/libc-start.c: Likewise. * sysdeps/i386/dl-machine.h: Likewise. * sysdeps/ia64/dl-fptr.c: Likewise. * sysdeps/ia64/dl-machine.h: Likewise. * sysdeps/unix/sysv/linux/dl-librecon.h: Likewise. * sysdeps/unix/sysv/linux/dl-origin.c: Likewise. * sysdeps/unix/sysv/linux/dl-osinfo.h: Likewise. * sysdeps/unix/sysv/linux/getclktck.c: Likewise. * sysdeps/unix/sysv/linux/getpagesize.c: Likewise. * sysdeps/unix/sysv/linux/i386/dl-librecon.h: Likewise. * sysdeps/unix/sysv/linux/ia64/dl-static.c: Likewise. * sysdeps/unix/sysv/linux/ia64/getpagesize.c: Likewise. * malloc/thread-m.h: Spinlock definitions for x86/x86_64.
88 lines
3.3 KiB
C
88 lines
3.3 KiB
C
/* Optional code to distinguish library flavours.
|
|
Copyright (C) 1998, 2001, 2002 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 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, 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 (GL(dl_loaded)->l_info[DT_NEEDED]) \
|
|
{ \
|
|
/* We have dependencies. */ \
|
|
const ElfW(Dyn) *d; \
|
|
const char *strtab; \
|
|
\
|
|
strtab = (const char *) D_PTR (GL(dl_loaded), l_info[DT_STRTAB]); \
|
|
\
|
|
for (d = GL(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_printf (d->d_tag != DT_NULL ? "5\n" : "6\n"); \
|
|
} \
|
|
} \
|
|
while (0)
|
|
|
|
/* Recognizing extra environment variables. */
|
|
#define EXTRA_LD_ENVVARS \
|
|
case 13: \
|
|
if (memcmp (envline, "ASSUME_KERNEL", 13) == 0) \
|
|
{ \
|
|
unsigned long int i, j, osversion = 0; \
|
|
char *p = &envline[14], *q; \
|
|
\
|
|
for (i = 0; i < 3; i++, p = q + 1) \
|
|
{ \
|
|
j = __strtoul_internal (p, &q, 0, 0); \
|
|
if (j >= 255 || p == q || (i < 2 && *q && *q != '.')) \
|
|
{ \
|
|
osversion = 0; \
|
|
break; \
|
|
} \
|
|
osversion |= j << (16 - 8 * i); \
|
|
if (!*q) \
|
|
break; \
|
|
} \
|
|
if (osversion) \
|
|
GL(dl_osversion) = osversion; \
|
|
break; \
|
|
} \
|
|
\
|
|
case 15: \
|
|
if (memcmp (envline, "LIBRARY_VERSION", 15) == 0) \
|
|
{ \
|
|
GL(dl_correct_cache_id) = envline[16] == '5' ? 2 : 3; \
|
|
break; \
|
|
}
|
|
|
|
/* Extra unsecure variables. The names are all stuffed in a single
|
|
string which means they have to be terminated with a '\0' explicitly. */
|
|
#define EXTRA_UNSECURE_ENVVARS \
|
|
"LD_AOUT_LIBRARY_PATH\0" \
|
|
"LD_AOUT_PRELOAD\0"
|
|
|
|
#endif /* dl-librecon.h */
|