Data update

Task/Machine-code/Pluto/machine-code-1.pluto

@@ -0,0 +1,23 @@
+/* mclib.c */
+
+// gcc -c -fpic mclib.c
+// gcc -shared -o mclib.so mclib.o
+
+#include <string.h>
+#include <sys/mman.h>
+
+typedef unsigned char uchar;
+
+extern uchar run_machine_code(const char *code, uchar a, uchar b, int len) {
+    void *buf;
+    uchar c;
+    /* copy code to executable buffer */
+    buf = mmap (0, len, PROT_READ|PROT_WRITE|PROT_EXEC,
+                MAP_PRIVATE | MAP_ANON, -1, 0);
+    memcpy (buf, code, len);
+    /* run code */
+    c = ((uchar (*) (uchar, uchar))buf)(a, b);
+    /* free buffer */
+    munmap (buf, len);
+    return c;
+}