diff options
Diffstat (limited to 'dlfcn/dlopen.c')
-rw-r--r-- | dlfcn/dlopen.c | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/dlfcn/dlopen.c b/dlfcn/dlopen.c deleted file mode 100644 index 22120655d2..0000000000 --- a/dlfcn/dlopen.c +++ /dev/null @@ -1,103 +0,0 @@ -/* Load a shared object at run time. - Copyright (C) 1995-2017 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 - <http://www.gnu.org/licenses/>. */ - -#include <dlfcn.h> -#include <libintl.h> -#include <stddef.h> -#include <unistd.h> -#include <ldsodefs.h> - -#if !defined SHARED && IS_IN (libdl) - -void * -dlopen (const char *file, int mode) -{ - return __dlopen (file, mode, RETURN_ADDRESS (0)); -} -static_link_warning (dlopen) - -#else - -struct dlopen_args -{ - /* The arguments for dlopen_doit. */ - const char *file; - int mode; - /* The return value of dlopen_doit. */ - void *new; - /* Address of the caller. */ - const void *caller; -}; - - -/* Non-shared code has no support for multiple namespaces. */ -# ifdef SHARED -# define NS __LM_ID_CALLER -# else -# define NS LM_ID_BASE -# endif - - -static void -dlopen_doit (void *a) -{ - struct dlopen_args *args = (struct dlopen_args *) a; - - if (args->mode & ~(RTLD_BINDING_MASK | RTLD_NOLOAD | RTLD_DEEPBIND - | RTLD_GLOBAL | RTLD_LOCAL | RTLD_NODELETE - | __RTLD_SPROF)) - _dl_signal_error (0, NULL, NULL, _("invalid mode parameter")); - - args->new = GLRO(dl_open) (args->file ?: "", args->mode | __RTLD_DLOPEN, - args->caller, - args->file == NULL ? LM_ID_BASE : NS, - __dlfcn_argc, __dlfcn_argv, __environ); -} - - -void * -__dlopen (const char *file, int mode DL_CALLER_DECL) -{ -# ifdef SHARED - if (__glibc_unlikely (_dlfcn_hook != NULL)) - return _dlfcn_hook->dlopen (file, mode, DL_CALLER); -# endif - - struct dlopen_args args; - args.file = file; - args.mode = mode; - args.caller = DL_CALLER; - -# ifdef SHARED - return _dlerror_run (dlopen_doit, &args) ? NULL : args.new; -# else - if (_dlerror_run (dlopen_doit, &args)) - return NULL; - - __libc_register_dl_open_hook ((struct link_map *) args.new); - __libc_register_dlfcn_hook ((struct link_map *) args.new); - - return args.new; -# endif -} -# ifdef SHARED -# include <shlib-compat.h> -strong_alias (__dlopen, __dlopen_check) -versioned_symbol (libdl, __dlopen_check, dlopen, GLIBC_2_1); -# endif -#endif |