diff --git a/sdk/xtdk/extypes.h b/sdk/xtdk/extypes.h
index 351ab16..6de3672 100644
--- a/sdk/xtdk/extypes.h
+++ b/sdk/xtdk/extypes.h
@@ -139,6 +139,56 @@ typedef struct _GENERAL_LOOKASIDE
     ULONG Future[2];
 } GENERAL_LOOKASIDE, *PGENERAL_LOOKASIDE;
 
+/* Handle table entry structure definition */
+typedef struct _HANDLE_TABLE_ENTRY
+{
+    union
+    {
+        PVOID Object;
+        ULONG_PTR ObAttributes;
+        PHANDLE_TABLE_ENTRY_INFO InfoTable;
+        ULONG_PTR Value;
+    };
+    union
+    {
+        ULONG GrantedAccess;
+        struct
+        {
+            USHORT GrantedAccessIndex;
+            USHORT CreatorBackTraceIndex;
+        };
+        LONG NextFreeTableEntry;
+    };
+} HANDLE_TABLE_ENTRY, *PHANDLE_TABLE_ENTRY;
+
+/* Handle table entry info structure definition */
+typedef struct _HANDLE_TABLE_ENTRY_INFO
+{
+    ULONG AuditMask;
+} HANDLE_TABLE_ENTRY_INFO, *PHANDLE_TABLE_ENTRY_INFO;
+
+/* Handle table structure definition */
+typedef struct _HANDLE_TABLE
+{
+    ULONG_PTR TableCode;
+    PEPROCESS QuotaProcess;
+    PVOID UniqueProcessId;
+    KPUSH_LOCK HandleTableLock[4];
+    LIST_ENTRY HandleTableList;
+    KPUSH_LOCK HandleContentionEvent;
+    PVOID Reserved;
+    LONG ExtraInfoPages;
+    union
+    {
+        ULONG Flags;
+        UCHAR StrictFIFO:1;
+    };
+    PHANDLE_TABLE_ENTRY FirstFreeHandle;
+    PHANDLE_TABLE_ENTRY LastFreeHandle;
+    LONG HandleCount;
+    ULONG NextHandleNeedingPool;
+} HANDLE_TABLE, *PHANDLE_TABLE;
+
 /* Lookaside list pointers structure definition */
 typedef struct _LOOKASIDE_LIST
 {
diff --git a/sdk/xtdk/xtstruct.h b/sdk/xtdk/xtstruct.h
index 774c3f5..612ce59 100644
--- a/sdk/xtdk/xtstruct.h
+++ b/sdk/xtdk/xtstruct.h
@@ -297,6 +297,9 @@ typedef struct _GENERAL_LOOKASIDE GENERAL_LOOKASIDE, *PGENERAL_LOOKASIDE;
 typedef struct _GENERIC_ADDRESS GENERIC_ADDRESS, *PGENERIC_ADDRESS;
 typedef struct _GENERIC_MAPPING GENERIC_MAPPING, *PGENERIC_MAPPING;
 typedef struct _GUID GUID, *PGUID;
+typedef struct _HANDLE_TABLE_ENTRY HANDLE_TABLE_ENTRY, *PHANDLE_TABLE_ENTRY;
+typedef struct _HANDLE_TABLE_ENTRY_INFO HANDLE_TABLE_ENTRY_INFO, *PHANDLE_TABLE_ENTRY_INFO;
+typedef struct _HANDLE_TABLE HANDLE_TABLE, *PHANDLE_TABLE;
 typedef struct _HL_FRAMEBUFFER_DATA HL_FRAMEBUFFER_DATA, *PHL_FRAMEBUFFER_DATA;
 typedef struct _HL_SCROLL_REGION_DATA HL_SCROLL_REGION_DATA, *PHL_SCROLL_REGION_DATA;
 typedef struct _INITIAL_PRIVILEGE_SET INITIAL_PRIVILEGE_SET, *PINITIAL_PRIVILEGE_SET;