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-rw-r--r--dlfcn/dlmopen.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/dlfcn/dlmopen.c b/dlfcn/dlmopen.c
new file mode 100644
index 0000000000..fb2a50bb1d
--- /dev/null
+++ b/dlfcn/dlmopen.c
@@ -0,0 +1,69 @@
+/* Load a shared object at run time.
+   Copyright (C) 1995,96,97,98,99,2000,2003,2004 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <dlfcn.h>
+#include <errno.h>
+#include <libintl.h>
+#include <stddef.h>
+#include <ldsodefs.h>
+
+struct dlmopen_args
+{
+  /* Namespace ID.  */
+  Lmid_t nsid;
+  /* 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;
+};
+
+static void
+dlmopen_doit (void *a)
+{
+  struct dlmopen_args *args = (struct dlmopen_args *) a;
+
+  /* Non-shared code has no support for multiple namespaces.  */
+  if (args->nsid != LM_ID_BASE)
+#ifdef SHARED
+    /* If trying to open the link map for the main executable the namespace
+       must be the main one.  */
+    if (args->file == NULL)
+#endif
+      GLRO(dl_signal_error) (EINVAL, NULL, NULL, N_("invalid namespace"));
+
+  args->new = _dl_open (args->file ?: "", args->mode | __RTLD_DLOPEN,
+			args->caller, args->nsid);
+}
+
+
+void *
+dlmopen (Lmid_t nsid, const char *file, int mode)
+{
+  struct dlmopen_args args;
+  args.nsid = nsid;
+  args.file = file;
+  args.mode = mode;
+  args.caller = RETURN_ADDRESS (0);
+
+  return _dlerror_run (dlmopen_doit, &args) ? NULL : args.new;
+}
+static_link_warning (dlmopen)