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* elf/Makefile (libdl-routines): Add dlopenold.
	* elf/Versions [libdl, GLIBC_2.1]: Add dlopen.
	* elf/dl-open.c (_dl_open): Check whether RTLD_LAZY or RTLD_GLOBAL
	is set and bounce otherwise.
	* elf/dlopen.c: Rename function to __dlopen_check and make version
	named dlopen.
	* elf/dlopenold.c: New file.

1998-11-02  Ulrich Drepper  <drepper@cygnus.com>
This commit is contained in:
Ulrich Drepper 1998-11-02 22:26:02 +00:00
parent e3e35cfc95
commit e254df14d5
7 changed files with 82 additions and 4 deletions
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10
ChangeLog
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@ -1,3 +1,13 @@
1998-11-02 Ulrich Drepper <drepper@cygnus.com>
* elf/Makefile (libdl-routines): Add dlopenold.
* elf/Versions [libdl, GLIBC_2.1]: Add dlopen.
* elf/dl-open.c (_dl_open): Check whether RTLD_LAZY or RTLD_GLOBAL
is set and bounce otherwise.
* elf/dlopen.c: Rename function to __dlopen_check and make version
named dlopen.
* elf/dlopenold.c: New file.
1998-11-02 Ulrich Drepper <drepper@cygnus.com>
* elf/Versions [libc, GLIBC_2.01]: Add _dl_global_scope_alloc.

2
elf/Makefile
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@ -42,7 +42,7 @@ distribute = $(rtld-routines:=.c) dynamic-link.h do-rel.h dl-machine.h \
extra-libs = libdl
extra-libs-others = $(extra-libs)
libdl-routines := dlopen dlclose dlsym dlvsym dlerror dladdr
libdl-routines := dlopen dlclose dlsym dlvsym dlerror dladdr dlopenold
before-compile = $(objpfx)trusted-dirs.h

2
elf/Versions
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@ -32,6 +32,6 @@ libdl {
dladdr; dlclose; dlerror; dlopen; dlsym;
}
GLIBC_2.1 {
dlvsym;
dlopen; dlvsym;
}
}

4
elf/dl-open.c
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@ -154,6 +154,10 @@ _dl_open (const char *file, int mode)
char *errstring;
int errcode;
if ((mode & RTLD_BINDING_MASK) == 0)
/* One of the flags must be set. */
_dl_signal_error (EINVAL, file, _("invalid mode for dlopen()"));
/* Make sure we are alone. */
__libc_lock_lock (_dl_load_lock);

7
elf/dlopen.c
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@ -41,7 +41,7 @@ dlopen_doit (void *a)
void *
dlopen (const char *file, int mode)
__dlopen_check (const char *file, int mode)
{
struct dlopen_args args;
args.file = file;
@ -49,3 +49,8 @@ dlopen (const char *file, int mode)
return _dlerror_run (dlopen_doit, &args) ? NULL : args.new;
}
#if defined PIC && defined DO_VERSIONING
default_symbol_version (__dlopen_check, dlopen, GLIBC_2.1);
#else
weak_alias (__dlopen_check, dlopen)
#endif

59
elf/dlopenold.c Normal file
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@ -0,0 +1,59 @@
/* Load a shared object at run time.
Copyright (C) 1995, 1996, 1997, 1998 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 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. */
#ifdef PIC
#include <dlfcn.h>
#include <stddef.h>
#include <elf/ldsodefs.h>
struct dlopen_args
{
/* The arguments for dlopen_doit. */
const char *file;
int mode;
/* The return value of dlopen_doit. */
struct link_map *new;
};
static void
dlopen_doit (void *a)
{
struct dlopen_args *args = (struct dlopen_args *) a;
args->new = _dl_open (args->file ?: "", args->mode);
}
void *
__dlopen_nocheck (const char *file, int mode)
{
struct dlopen_args args;
args.file = file;
if ((mode & RTLD_BINDING_MASK) == 0)
/* By default assume RTLD_LAZY. */
mode |= RTLD_LAZY;
args.mode = mode;
return _dlerror_run (dlopen_doit, &args) ? NULL : args.new;
}
symbol_version (__dlopen_nocheck, dlopen, GLIBC_2.0);
#endif

2
nis/Banner
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@ -1 +1 @@
NIS(YP)/NIS+ NSS modules 0.18 by Thorsten Kukuk
NIS(YP)/NIS+ NSS modules 0.19 by Thorsten Kukuk