Update all new Tasks

Task/Machine-code/C/machine-code.c

@@ -0,0 +1,31 @@
+#include <stdio.h>
+#include <sys/mman.h>
+#include <string.h>
+
+int test (int a, int b)
+{
+  /*
+       mov EAX, [ESP+4]
+       add EAX, [ESP+8]
+       ret
+  */
+  char code[] = {0x8B, 0x44, 0x24, 0x4, 0x3, 0x44, 0x24, 0x8, 0xC3};
+  void *buf;
+  int c;
+  /* copy code to executable buffer */
+  buf = mmap (0,sizeof(code),PROT_READ|PROT_WRITE|PROT_EXEC,
+             MAP_PRIVATE|MAP_ANON,-1,0);
+
+  memcpy (buf, code, sizeof(code));
+  /* run code */
+  c = ((int (*) (int, int))buf)(a, b);
+  /* free buffer */
+  munmap (buf, sizeof(code));
+  return c;
+}
+
+int main ()
+{
+  printf("%d\n", test(7,12));
+  return 0;
+}