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70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
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/* Load a shared object at run time.
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Copyright (C) 1995,96,97,98,99,2000,2003,2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <dlfcn.h>
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#include <errno.h>
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#include <libintl.h>
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#include <stddef.h>
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#include <ldsodefs.h>
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struct dlmopen_args
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{
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/* Namespace ID. */
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Lmid_t nsid;
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/* The arguments for dlopen_doit. */
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const char *file;
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int mode;
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/* The return value of dlopen_doit. */
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void *new;
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/* Address of the caller. */
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const void *caller;
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};
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static void
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dlmopen_doit (void *a)
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{
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struct dlmopen_args *args = (struct dlmopen_args *) a;
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/* Non-shared code has no support for multiple namespaces. */
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if (args->nsid != LM_ID_BASE)
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#ifdef SHARED
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/* If trying to open the link map for the main executable the namespace
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must be the main one. */
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if (args->file == NULL)
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#endif
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GLRO(dl_signal_error) (EINVAL, NULL, NULL, N_("invalid namespace"));
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args->new = _dl_open (args->file ?: "", args->mode | __RTLD_DLOPEN,
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args->caller, args->nsid);
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}
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void *
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dlmopen (Lmid_t nsid, const char *file, int mode)
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{
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struct dlmopen_args args;
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args.nsid = nsid;
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args.file = file;
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args.mode = mode;
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args.caller = RETURN_ADDRESS (0);
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return _dlerror_run (dlmopen_doit, &args) ? NULL : args.new;
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}
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static_link_warning (dlmopen)
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