1 files changed, 108 insertions, 0 deletions
diff --git a/nuttx/binfmt/binfmt_unloadmodule.c b/nuttx/binfmt/binfmt_unloadmodule.c
new file mode 100644
index 000000000..c6fa90c39
--- /dev/null
+++ b/nuttx/binfmt/binfmt_unloadmodule.c
@@ -0,0 +1,108 @@
+/****************************************************************************
+ * binfmt/binfmt_loadmodule.c
+ *
+ *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/mman.h>
+#include <stdlib.h>
+#include <sched.h>
+#include <debug.h>
+#include <errno.h>
+
+#include <nuttx/binfmt.h>
+
+#include "binfmt_internal.h"
+
+#ifndef CONFIG_BINFMT_DISABLE
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: unload_module
+ *
+ * Description:
+ *   Unload a (non-executing) module from memory.  If the module has
+ *   been started (via exec_module), calling this will be fatal.
+ *
+ * Returned Value:
+ *   This is a NuttX internal function so it follows the convention that
+ *   0 (OK) is returned on success and a negated errno is returned on
+ *   failure.
+ *
+ ****************************************************************************/
+
+int unload_module(FAR const struct binary_s *bin)
+{
+  if (bin)
+    {
+      if (bin->ispace)
+        {
+          bvdbg("Unmapping ISpace: %p\n", bin->ispace);
+          munmap(bin->ispace, bin->isize);
+        }
+
+      if (bin->dspace)
+        {
+          bvdbg("Freeing DSpace: %p\n", bin->dspace);
+          free(bin->dspace);
+        }
+    }
+  return OK;
+}
+
+#endif /* CONFIG_BINFMT_DISABLE */
+