1 files changed, 9 insertions, 6 deletions

diff --git a/src/lj_obj.h b/src/lj_obj.h
index e85cf703..3442dc0c 100644
--- a/src/lj_obj.h
+++ b/src/lj_obj.h
@@ -309,12 +309,15 @@ typedef struct GCproto {
   MRef varinfo;         /* Names and compressed extents of local variables. */
 } GCproto;
 
-#define PROTO_IS_VARARG         0x01
-#define PROTO_HAS_FNEW          0x02
-#define PROTO_HAS_RETURN        0x04
-#define PROTO_FIXUP_RETURN      0x08
-#define PROTO_NO_JIT            0x10
-#define PROTO_HAS_ILOOP         0x20
+/* Flags for prototype. */
+#define PROTO_VARARG            0x01    /* Vararg function. */
+#define PROTO_CHILD             0x02    /* Has child prototypes. */
+#define PROTO_NOJIT             0x04    /* JIT disabled for this function. */
+#define PROTO_ILOOP             0x08    /* Patched bytecode with ILOOP etc. */
+#define PROTO_FFI               0x10    /* Uses BC_KCDATA for FFI datatypes. */
+/* Only used during parsing. */
+#define PROTO_HAS_RETURN        0x20    /* Already emitted a return. */
+#define PROTO_FIXUP_RETURN      0x40    /* Need to fixup emitted returns. */
 
 #define proto_kgc(pt, idx) \
   check_exp((uintptr_t)(intptr_t)(idx) >= (uintptr_t)-(intptr_t)(pt)->sizekgc, \