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diff --git a/js/src/zydis/Zycore/Allocator.h b/js/src/zydis/Zycore/Allocator.h
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+++ b/js/src/zydis/Zycore/Allocator.h
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+/***************************************************************************************************
+
+  Zyan Core Library (Zycore-C)
+
+  Original Author : Florian Bernd
+
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+
+***************************************************************************************************/
+
+/**
+ * @file
+ * @brief
+ */
+
+#ifndef ZYCORE_ALLOCATOR_H
+#define ZYCORE_ALLOCATOR_H
+
+#include "zydis/Zycore/Status.h"
+#include "zydis/Zycore/Types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* ============================================================================================== */
+/* Enums and types                                                                                */
+/* ============================================================================================== */
+
+struct ZyanAllocator_;
+
+/**
+ * Defines the `ZyanAllocatorAllocate` function prototype.
+ *
+ * @param   allocator       A pointer to the `ZyanAllocator` instance.
+ * @param   p               Receives a pointer to the first memory block sufficient to hold an
+ *                          array of `n` elements with a size of `element_size`.
+ * @param   element_size    The size of a single element.
+ * @param   n               The number of elements to allocate storage for.
+ *
+ * @return  A zyan status code.
+ *
+ * This prototype is used for the `allocate()` and `reallocate()` functions.
+ *
+ * The result of the `reallocate()` function is undefined, if `p` does not point to a memory block
+ * previously obtained by `(re-)allocate()`.
+ */
+typedef ZyanStatus (*ZyanAllocatorAllocate)(struct ZyanAllocator_* allocator, void** p,
+    ZyanUSize element_size, ZyanUSize n);
+
+/**
+ * Defines the `ZyanAllocatorDeallocate` function prototype.
+ *
+ * @param   allocator       A pointer to the `ZyanAllocator` instance.
+ * @param   p               The pointer obtained from `(re-)allocate()`.
+ * @param   element_size    The size of a single element.
+ * @param   n               The number of elements earlier passed to `(re-)allocate()`.
+ *
+  * @return  A zyan status code.
+ */
+typedef ZyanStatus (*ZyanAllocatorDeallocate)(struct ZyanAllocator_* allocator, void* p,
+    ZyanUSize element_size, ZyanUSize n);
+
+/**
+ * Defines the `ZyanAllocator` struct.
+ *
+ * This is the base class for all custom allocator implementations.
+ *
+ * All fields in this struct should be considered as "private". Any changes may lead to unexpected
+ * behavior.
+ */
+typedef struct ZyanAllocator_
+{
+    /**
+     * The allocate function.
+     */
+    ZyanAllocatorAllocate allocate;
+    /**
+     * The reallocate function.
+     */
+    ZyanAllocatorAllocate reallocate;
+    /**
+     * The deallocate function.
+     */
+    ZyanAllocatorDeallocate deallocate;
+} ZyanAllocator;
+
+/* ============================================================================================== */
+/* Exported functions                                                                             */
+/* ============================================================================================== */
+
+/**
+ * Initializes the given `ZyanAllocator` instance.
+ *
+ * @param   allocator   A pointer to the `ZyanAllocator` instance.
+ * @param   allocate    The allocate function.
+ * @param   reallocate  The reallocate function.
+ * @param   deallocate  The deallocate function.
+ *
+ * @return  A zyan status code.
+ */
+ZYCORE_EXPORT ZyanStatus ZyanAllocatorInit(ZyanAllocator* allocator, ZyanAllocatorAllocate allocate,
+    ZyanAllocatorAllocate reallocate, ZyanAllocatorDeallocate deallocate);
+
+#ifndef ZYAN_NO_LIBC
+
+/**
+ * Returns the default `ZyanAllocator` instance.
+ *
+ * @return  A pointer to the default `ZyanAllocator` instance.
+ *
+ * The default allocator uses the default memory manager to allocate memory on the heap.
+ *
+ * You should in no case modify the returned allocator instance to avoid unexpected behavior.
+ */
+ZYCORE_EXPORT ZYAN_REQUIRES_LIBC ZyanAllocator* ZyanAllocatorDefault(void);
+
+#endif // ZYAN_NO_LIBC
+
+/* ============================================================================================== */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ZYCORE_ALLOCATOR_H */