1 files changed, 7 insertions, 7 deletions

diff --git a/src/lib_debug.c b/src/lib_debug.c
index e7d8d24a..3af7a353 100644
--- a/src/lib_debug.c
+++ b/src/lib_debug.c
@@ -29,7 +29,7 @@ LJLIB_CF(debug_getregistry)
   return 1;
 }
 
-LJLIB_CF(debug_getmetatable)
+LJLIB_CF(debug_getmetatable)    LJLIB_REC(.)
 {
   lj_lib_checkany(L, 1);
   if (!lua_getmetatable(L, 1)) {
@@ -231,8 +231,8 @@ LJLIB_CF(debug_upvalueid)
   int32_t n = lj_lib_checkint(L, 2) - 1;
   if ((uint32_t)n >= fn->l.nupvalues)
     lj_err_arg(L, 2, LJ_ERR_IDXRNG);
-  setlightudV(L->top-1, isluafunc(fn) ? (void *)gcref(fn->l.uvptr[n]) :
-                                        (void *)&fn->c.upvalue[n]);
+  lua_pushlightuserdata(L, isluafunc(fn) ? (void *)gcref(fn->l.uvptr[n]) :
+                                           (void *)&fn->c.upvalue[n]);
   return 1;
 }
 
@@ -283,13 +283,13 @@ LJLIB_CF(debug_setuservalue)
 
 /* ------------------------------------------------------------------------ */
 
-static const char KEY_HOOK = 'h';
+#define KEY_HOOK        (U64x(80000000,00000000)|'h')
 
 static void hookf(lua_State *L, lua_Debug *ar)
 {
   static const char *const hooknames[] =
     {"call", "return", "line", "count", "tail return"};
-  lua_pushlightuserdata(L, (void *)&KEY_HOOK);
+  (L->top++)->u64 = KEY_HOOK;
   lua_rawget(L, LUA_REGISTRYINDEX);
   if (lua_isfunction(L, -1)) {
     lua_pushstring(L, hooknames[(int)ar->event]);
@@ -334,7 +334,7 @@ LJLIB_CF(debug_sethook)
     count = luaL_optint(L, arg+3, 0);
     func = hookf; mask = makemask(smask, count);
   }
-  lua_pushlightuserdata(L, (void *)&KEY_HOOK);
+  (L->top++)->u64 = KEY_HOOK;
   lua_pushvalue(L, arg+1);
   lua_rawset(L, LUA_REGISTRYINDEX);
   lua_sethook(L, func, mask, count);
@@ -349,7 +349,7 @@ LJLIB_CF(debug_gethook)
   if (hook != NULL && hook != hookf) {  /* external hook? */
     lua_pushliteral(L, "external hook");
   } else {
-    lua_pushlightuserdata(L, (void *)&KEY_HOOK);
+    (L->top++)->u64 = KEY_HOOK;
     lua_rawget(L, LUA_REGISTRYINDEX);   /* get hook */
   }
   lua_pushstring(L, unmakemask(mask, buff));