add arm64

structs.h

@@ -0,0 +1,56 @@
+struct shared_ptr {
+	void *obj;
+	void *ctrl_blk;
+};
+
+union std_string {
+	struct {
+		uint8_t mark;
+		char str[0];
+	};
+	struct {
+		size_t cap;
+		size_t size;
+		const char *data;
+	};
+};
+
+struct std_vector {
+	void *begin;
+	void *end;
+	void *end_capacity;
+};
+
+static inline union std_string new_std_string(const char *s) {
+	union std_string str = {
+		.cap = 1,
+		.size = strlen(s),
+		.data = s,
+	};
+	return str;
+}
+
+static inline struct std_vector new_std_vector(void *begin) {
+    struct std_vector vector = {
+        .begin = begin,
+        .end = begin + 1,
+    };
+    vector.end_capacity = vector.end;
+    return vector;
+}
+
+static inline union std_string new_std_string_short_mode(const char *str) {
+    short str_size = strlen(str);
+    union std_string std_str = {
+        .mark = str_size << 1,
+    };
+    strcpy(std_str.str, str);
+    return std_str;
+}
+
+static inline const char *std_string_data(union std_string *str) {
+	if ((str->mark & 1) == 0) {
+		return str->str;
+	}
+	return str->data;
+}