Symbol table is ordered

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1924 42af7a65-404d-4744-a932-0658087f49c3

3 files changed, 40 insertions, 7 deletions

diff --git a/nuttx/binfmt/nxflat.c b/nuttx/binfmt/nxflat.c
index 53f689a9b..20795dae4 100644
--- a/nuttx/binfmt/nxflat.c
+++ b/nuttx/binfmt/nxflat.c
@@ -94,9 +94,9 @@ static void nxflat_dumpmemory(void *addr, int nbytes)
       bdbg("  %p: %02x %02x %02x %02x\n", ptr, ptr[0], ptr[1], ptr[2], ptr[3]);
     }
 }
-#else /* CONFIG_XFLAT_DEBUG */
+#else
 # define nnxflat_dumpmemory(a,n)
-#endif /* CONFIG_XFLAT_DEBUG */
+#endif
 
 /****************************************************************************
  * Name: nxflat_dumploadinfo
@@ -131,9 +131,9 @@ static void nxflat_dumploadinfo(struct nxflat_loadinfo_s *loadinfo)
   bdbg("  NXFLT HEADER:");
   bdbg("    header:       %p\n",    loadinfo->header);
 }
-#else /* CONFIG_XFLAT_DEBUG */
+#else
 # define nxflat_dumploadinfo(i)
-#endif /* CONFIG_XFLAT_DEBUG */
+#endif
 
 /****************************************************************************
  * Name: nxflat_loadbinary
diff --git a/nuttx/configs/eagle100/nxflat/defconfig b/nuttx/configs/eagle100/nxflat/defconfig
index 14b4c795e..c04156e28 100644
--- a/nuttx/configs/eagle100/nxflat/defconfig
+++ b/nuttx/configs/eagle100/nxflat/defconfig
@@ -247,9 +247,6 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
-# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
-#  This format will support execution of NuttX binaries located
-#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=nxflat
 CONFIG_DEBUG=n
@@ -273,7 +270,17 @@ CONFIG_SEM_NNESTPRIO=0
 CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
+
+#
+# Settings for examples/nxflat
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
+# CONFIG_SYMTAB_ORDEREDBYNAME. Select if the system symbol table
+#  is ordered by symbol name
+#
 CONFIG_NXFLAT=y
+CONFIG_SYMTAB_ORDEREDBYNAME=y
 
 #
 # The following can be used to disable categories of
diff --git a/nuttx/examples/nxflat/nxflat_main.c b/nuttx/examples/nxflat/nxflat_main.c
index 4c4de4313..f31c21973 100644
--- a/nuttx/examples/nxflat/nxflat_main.c
+++ b/nuttx/examples/nxflat/nxflat_main.c
@@ -60,6 +60,32 @@
  * 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_NXFLAT
+#  error "You must select CONFIG_NXFLAT 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 ROMFSDEV     "/dev/ram0"