1 files changed, 21 insertions, 1 deletions
diff --git a/py/emitglue.h b/py/emitglue.h
index b31e8dbb22..03a9e2f655 100644
--- a/py/emitglue.h
+++ b/py/emitglue.h
@@ -39,7 +39,27 @@ typedef enum {
     MP_CODE_NATIVE_ASM,
 } mp_raw_code_kind_t;
 
-typedef struct _mp_raw_code_t mp_raw_code_t;
+typedef struct _mp_raw_code_t {
+    mp_raw_code_kind_t kind : 3;
+    mp_uint_t scope_flags : 7;
+    mp_uint_t n_pos_args : 11;
+    union {
+        struct {
+            const byte *bytecode;
+            const mp_uint_t *const_table;
+            #if MICROPY_PERSISTENT_CODE_SAVE
+            mp_uint_t bc_len;
+            uint16_t n_obj;
+            uint16_t n_raw_code;
+            #endif
+        } u_byte;
+        struct {
+            void *fun_data;
+            const mp_uint_t *const_table;
+            mp_uint_t type_sig; // for viper, compressed as 2-bit types; ret is MSB, then arg0, arg1, etc
+        } u_native;
+    } data;
+} mp_raw_code_t;
 
 mp_raw_code_t *mp_emit_glue_new_raw_code(void);