1 files changed, 232 insertions, 0 deletions
diff --git a/apps/examples/elf/elf_main.c b/apps/examples/elf/elf_main.c
new file mode 100644
index 000000000..5699dd284
--- /dev/null
+++ b/apps/examples/elf/elf_main.c
@@ -0,0 +1,232 @@
+/****************************************************************************
+ * examples/elf/elf_main.c
+ *
+ *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * 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 <nuttx/compiler.h>
+
+#include <sys/mount.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <pthread.h>
+#include <debug.h>
+#include <errno.h>
+
+#include <nuttx/ramdisk.h>
+#include <nuttx/binfmt/binfmt.h>
+#include <nuttx/binfmt/elf.h>
+
+#include "tests/romfs.h"
+#include "tests/dirlist.h"
+#include "tests/symtab.h"
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/* Check configuration.  This is not all of the configuration settings that
+ * are required -- only the more obvious.
+ */
+
+#if CONFIG_NFILE_DESCRIPTORS < 1
+#  error "You must provide file descriptors via CONFIG_NFILE_DESCRIPTORS in your configuration file"
+#endif
+
+#ifndef CONFIG_ELF
+#  error "You must select CONFIG_ELF in your configuration file"
+#endif
+
+#ifndef CONFIG_FS_ROMFS
+#  error "You must select CONFIG_FS_ROMFS in your configuration file"
+#endif
+
+#ifdef CONFIG_DISABLE_MOUNTPOINT
+#  error "You must not disable mountpoints via CONFIG_DISABLE_MOUNTPOINT in your configuration file"
+#endif
+
+#ifdef CONFIG_BINFMT_DISABLE
+#  error "You must not disable loadable modules via CONFIG_BINFMT_DISABLE in your configuration file"
+#endif
+
+/* Describe the ROMFS file system */
+
+#define SECTORSIZE   512
+#define NSECTORS(b)  (((b)+SECTORSIZE-1)/SECTORSIZE)
+#define MOUNTPT      "/mnt/romfs"
+
+#ifndef CONFIG_EXAMPLES_ELF_DEVMINOR
+#  define CONFIG_EXAMPLES_ELF_DEVMINOR 0
+#endif
+
+#ifndef CONFIG_EXAMPLES_ELF_DEVPATH
+#  define CONFIG_EXAMPLES_ELF_DEVPATH "/dev/ram0"
+#endif
+
+/* If CONFIG_DEBUG is enabled, use dbg instead of printf so that the
+ * output will be synchronous with the debug output.
+ */
+
+#ifdef CONFIG_CPP_HAVE_VARARGS
+#  ifdef CONFIG_DEBUG
+#    define message(format, arg...) dbg(format, ##arg)
+#    define err(format, arg...)     dbg(format, ##arg)
+#  else
+#    define message(format, arg...) printf(format, ##arg)
+#    define err(format, arg...)     fprintf(stderr, format, ##arg)
+#  endif
+#else
+#  ifdef CONFIG_DEBUG
+#    define message                 dbg
+#    define err                     dbg
+#  else
+#    define message                 printf
+#    define err                     printf
+#  endif
+#endif
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static const char delimiter[] =
+  "****************************************************************************";
+
+static char path[128];
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: testheader
+ ****************************************************************************/
+
+static inline void testheader(FAR const char *progname)
+{
+  message("\n%s\n* Executing %s\n%s\n\n", delimiter, progname, delimiter);
+}
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: elf_main
+ ****************************************************************************/
+
+int elf_main(int argc, char *argv[])
+{
+  struct binary_s bin;
+  int ret;
+  int i;
+
+  /* Initialize the ELF binary loader */
+
+  message("Initializing the ELF binary loader\n");
+  ret = elf_initialize();
+  if (ret < 0)
+    {
+      err("ERROR: Initialization of the ELF loader failed: %d\n", ret);
+      exit(1);
+    }
+
+  /* Create a ROM disk for the ROMFS filesystem */
+
+  message("Registering romdisk at /dev/ram%d\n", CONFIG_EXAMPLES_ELF_DEVMINOR);
+  ret = romdisk_register(CONFIG_EXAMPLES_ELF_DEVMINOR, romfs_img,
+                         NSECTORS(romfs_img_len), SECTORSIZE);
+  if (ret < 0)
+    {
+      err("ERROR: romdisk_register failed: %d\n", ret);
+      elf_uninitialize();
+      exit(1);
+    }
+
+  /* Mount the file system */
+
+  message("Mounting ROMFS filesystem at target=%s with source=%s\n",
+         MOUNTPT, CONFIG_EXAMPLES_ELF_DEVPATH);
+
+  ret = mount(CONFIG_EXAMPLES_ELF_DEVPATH, MOUNTPT, "romfs", MS_RDONLY, NULL);
+  if (ret < 0)
+    {
+      err("ERROR: mount(%s,%s,romfs) failed: %s\n",
+              CONFIG_EXAMPLES_ELF_DEVPATH, MOUNTPT, errno);
+      elf_uninitialize();
+    }
+
+  /* Now excercise every progrm in the ROMFS file system */
+
+  for (i = 0; dirlist[i]; i++)
+    {
+      testheader(dirlist[i]);
+
+      memset(&bin, 0, sizeof(struct binary_s));
+      snprintf(path, 128, "%s/%s", MOUNTPT, dirlist[i]);
+
+      bin.filename = path;
+      bin.exports  = exports;
+      bin.nexports = NEXPORTS;
+
+      ret = load_module(&bin);
+      if (ret < 0)
+        {
+          err("ERROR: Failed to load program '%s'\n", dirlist[i]);
+          exit(1);
+        }
+
+      ret = exec_module(&bin, 50);
+      if (ret < 0)
+        {
+          err("ERROR: Failed to execute program '%s'\n", dirlist[i]);
+          unload_module(&bin);
+        }
+
+      message("Wait a bit for test completion\n");
+      sleep(4);
+    }
+
+  message("End-of-Test.. Exiting\n");
+  return 0;
+}