1 /* Load a shared object at run time.
2 Copyright (C) 1995,96,97,98,99,2000,2003,2004 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
27 #if !defined SHARED && defined IS_IN_libdl
30 dlmopen (Lmid_t nsid, const char *file, int mode)
32 return __dlmopen (nsid, file, mode, RETURN_ADDRESS (0));
34 static_link_warning (dlmopen)
42 /* The arguments for dlopen_doit. */
45 /* The return value of dlopen_doit. */
47 /* Address of the caller. */
52 dlmopen_doit (void *a)
54 struct dlmopen_args *args = (struct dlmopen_args *) a;
56 /* Non-shared code has no support for multiple namespaces. */
57 if (args->nsid != LM_ID_BASE)
59 /* If trying to open the link map for the main executable the namespace
60 must be the main one. */
61 if (args->file == NULL)
63 GLRO(dl_signal_error) (EINVAL, NULL, NULL, N_("invalid namespace"));
65 args->new = GLRO(dl_open) (args->file ?: "", args->mode | __RTLD_DLOPEN,
67 args->nsid, __dlfcn_argc, __dlfcn_argv,
73 __dlmopen (Lmid_t nsid, const char *file, int mode DL_CALLER_DECL)
76 if (__builtin_expect (_dlfcn_hook != NULL, 0))
77 return _dlfcn_hook->dlmopen (nsid, file, mode, RETURN_ADDRESS (0));
80 struct dlmopen_args args;
84 args.caller = DL_CALLER;
87 return _dlerror_run (dlmopen_doit, &args) ? NULL : args.new;
89 if (_dlerror_run (dlmopen_doit, &args))
92 __libc_register_dl_open_hook ((struct link_map *) args.new);
93 __libc_register_dlfcn_hook ((struct link_map *) args.new);
99 strong_alias (__dlmopen, dlmopen)