Added info

include/info.h

@@ -0,0 +1,46 @@
+#include "null.h"
+#include <stdint.h>
+
+/**
+ * @author cheng-alvin
+ * @since v0.0.1
+ *
+ * Code-generation mode for the assembler module code, can
+ * be used as a indicator for the assembler code generator
+ * to generate code.
+ */
+
+typedef enum {
+  REAL,
+  PROTECTED,
+  LONG,
+} mode_t;
+
+/**
+ * @author cheng-alvin
+ * @since v0.0.1
+ *
+ * The info_t struct is used to store the information of the
+ * assembler module, including the program mode and the buffer
+ * that stores the generated assembler code.
+ *
+ * @see `mode_t` for more information about the program mode
+ * enum.
+ *
+ * TODO Revise docs for struct?
+ */
+
+typedef struct {
+  mode_t program_mode;
+  uint8_t *buffer;
+} info_t;
+
+/**
+ * @author cheng-alvin
+ * @since v0.0.1
+ *
+ * The variable declaration used to store the information of
+ * the assembler module.
+ */
+
+extern info_t __jas_info__;

src/info.c

@@ -0,0 +1,6 @@
+#include "info.h"
+
+info_t __jas_info__ = {
+    .program_mode = REAL,
+    .buffer = NULL,
+};