1 files changed, 107 insertions, 0 deletions
diff --git a/REORG.TODO/dlfcn/dlmopen.c b/REORG.TODO/dlfcn/dlmopen.c
new file mode 100644
index 0000000000..07d59ade30
--- /dev/null
+++ b/REORG.TODO/dlfcn/dlmopen.c
@@ -0,0 +1,107 @@
+/* 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 <errno.h>
+#include <libintl.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <ldsodefs.h>
+
+#if !defined SHARED && IS_IN (libdl)
+
+void *
+dlmopen (Lmid_t nsid, const char *file, int mode)
+{
+  return __dlmopen (nsid, file, mode, RETURN_ADDRESS (0));
+}
+static_link_warning (dlmopen)
+
+#else
+
+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
+	_dl_signal_error (EINVAL, NULL, NULL, N_("invalid namespace"));
+
+      /* It makes no sense to use RTLD_GLOBAL when loading a DSO into
+	 a namespace other than the base namespace.  */
+      if (__glibc_unlikely (args->mode & RTLD_GLOBAL))
+	_dl_signal_error (EINVAL, NULL, NULL, N_("invalid mode"));
+    }
+
+  args->new = GLRO(dl_open) (args->file ?: "", args->mode | __RTLD_DLOPEN,
+			     args->caller,
+			     args->nsid, __dlfcn_argc, __dlfcn_argv,
+			     __environ);
+}
+
+
+void *
+__dlmopen (Lmid_t nsid, const char *file, int mode DL_CALLER_DECL)
+{
+# ifdef SHARED
+  if (__glibc_unlikely (_dlfcn_hook != NULL))
+    return _dlfcn_hook->dlmopen (nsid, file, mode, RETURN_ADDRESS (0));
+# endif
+
+  struct dlmopen_args args;
+  args.nsid = nsid;
+  args.file = file;
+  args.mode = mode;
+  args.caller = DL_CALLER;
+
+# ifdef SHARED
+  return _dlerror_run (dlmopen_doit, &args) ? NULL : args.new;
+# else
+  if (_dlerror_run (dlmopen_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
+strong_alias (__dlmopen, dlmopen)
+# endif
+#endif