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-rw-r--r--REORG.TODO/dlfcn/dlopenold.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/REORG.TODO/dlfcn/dlopenold.c b/REORG.TODO/dlfcn/dlopenold.c
new file mode 100644
index 0000000000..a3db500705
--- /dev/null
+++ b/REORG.TODO/dlfcn/dlopenold.c
@@ -0,0 +1,79 @@
+/* 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 <stddef.h>
+#include <unistd.h>
+#include <ldsodefs.h>
+
+/* This file is for compatibility with glibc 2.0.  Compile it only if
+   versioning is used.  */
+#include <shlib-compat.h>
+#if SHLIB_COMPAT (libdl, GLIBC_2_0, GLIBC_2_1)
+
+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;
+
+  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);
+}
+
+extern void *__dlopen_nocheck (const char *file, int mode);
+void *
+__dlopen_nocheck (const char *file, int mode)
+{
+  struct dlopen_args args;
+  args.file = file;
+  args.caller = RETURN_ADDRESS (0);
+
+  if ((mode & RTLD_BINDING_MASK) == 0)
+    /* By default assume RTLD_LAZY.  */
+    mode |= RTLD_LAZY;
+  args.mode = mode;
+
+  if (__glibc_unlikely (_dlfcn_hook != NULL))
+    return _dlfcn_hook->dlopen (file, mode, RETURN_ADDRESS (0));
+
+  return _dlerror_run (dlopen_doit, &args) ? NULL : args.new;
+}
+compat_symbol (libdl, __dlopen_nocheck, dlopen, GLIBC_2_0);
+#endif