1 files changed, 88 insertions, 0 deletions
diff --git a/rdoff/rdx.c b/rdoff/rdx.c
new file mode 100644
index 0000000..240ab59
--- /dev/null
+++ b/rdoff/rdx.c
@@ -0,0 +1,88 @@
+/* ----------------------------------------------------------------------- *
+ *   
+ *   Copyright 1996-2009 The NASM Authors - All Rights Reserved
+ *   See the file AUTHORS included with the NASM distribution for
+ *   the specific copyright holders.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following
+ *   conditions are met:
+ *
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * 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.
+ *     
+ *     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.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * rdx.c	RDOFF Object File loader program
+ */
+
+/* note: most of the actual work of this program is done by the modules
+   "rdfload.c", which loads and relocates the object file, and by "rdoff.c",
+   which contains general purpose routines to manipulate RDOFF object
+   files. You can use these files in your own program to load RDOFF objects
+   and execute the code in them in a similar way to what is shown here. */
+
+#include "compiler.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "rdfload.h"
+#include "symtab.h"
+
+typedef int (*main_fn) (int, char **);  /* Main function prototype */
+
+int main(int argc, char **argv)
+{
+    rdfmodule *m;
+    main_fn code;
+    symtabEnt *s;
+
+    if (argc < 2) {
+        puts("usage: rdx <rdoff-executable> [params]\n");
+        exit(255);
+    }
+
+    m = rdfload(argv[1]);
+
+    if (!m) {
+        rdfperror("rdx", argv[1]);
+        exit(255);
+    }
+
+    rdf_relocate(m);            /* in this instance, the default relocation
+                                   values will work fine, but they may need changing
+                                   in other cases... */
+
+    s = symtabFind(m->symtab, "_main");
+    if (!s) {
+        fprintf(stderr, "rdx: could not find symbol '_main' in '%s'\n",
+                argv[1]);
+        exit(255);
+    }
+
+    code = (main_fn)(size_t) s->offset;
+
+    argv++, argc--;             /* remove 'rdx' from command line */
+
+    return code(argc, argv);    /* execute */
+}