1 files changed, 134 insertions, 0 deletions
diff --git a/js/src/zydis/Zycore/Allocator.c b/js/src/zydis/Zycore/Allocator.c
new file mode 100644
index 0000000000..a4d0feab7a
--- /dev/null
+++ b/js/src/zydis/Zycore/Allocator.c
@@ -0,0 +1,134 @@
+/***************************************************************************************************
+
+  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.
+
+***************************************************************************************************/
+
+#include "zydis/Zycore/Allocator.h"
+#include "zydis/Zycore/LibC.h"
+
+/* ============================================================================================== */
+/* Internal functions                                                                             */
+/* ============================================================================================== */
+
+/* ---------------------------------------------------------------------------------------------- */
+/* Default allocator                                                                              */
+/* ---------------------------------------------------------------------------------------------- */
+
+#ifndef ZYAN_NO_LIBC
+
+static ZyanStatus ZyanAllocatorDefaultAllocate(ZyanAllocator* allocator, void** p,
+    ZyanUSize element_size, ZyanUSize n)
+{
+    ZYAN_ASSERT(allocator);
+    ZYAN_ASSERT(p);
+    ZYAN_ASSERT(element_size);
+    ZYAN_ASSERT(n);
+
+    ZYAN_UNUSED(allocator);
+
+    *p = ZYAN_MALLOC(element_size * n);
+    if (!*p)
+    {
+        return ZYAN_STATUS_NOT_ENOUGH_MEMORY;
+    }
+
+    return ZYAN_STATUS_SUCCESS;
+}
+
+static ZyanStatus ZyanAllocatorDefaultReallocate(ZyanAllocator* allocator, void** p,
+    ZyanUSize element_size, ZyanUSize n)
+{
+    ZYAN_ASSERT(allocator);
+    ZYAN_ASSERT(p);
+    ZYAN_ASSERT(element_size);
+    ZYAN_ASSERT(n);
+
+    ZYAN_UNUSED(allocator);
+
+    void* const x = ZYAN_REALLOC(*p, element_size * n);
+    if (!x)
+    {
+        return ZYAN_STATUS_NOT_ENOUGH_MEMORY;
+    }
+    *p = x;
+
+    return ZYAN_STATUS_SUCCESS;
+}
+
+static ZyanStatus ZyanAllocatorDefaultDeallocate(ZyanAllocator* allocator, void* p,
+    ZyanUSize element_size, ZyanUSize n)
+{
+    ZYAN_ASSERT(allocator);
+    ZYAN_ASSERT(p);
+    ZYAN_ASSERT(element_size);
+    ZYAN_ASSERT(n);
+
+    ZYAN_UNUSED(allocator);
+    ZYAN_UNUSED(element_size);
+    ZYAN_UNUSED(n);
+
+    ZYAN_FREE(p);
+
+    return ZYAN_STATUS_SUCCESS;
+}
+
+#endif // ZYAN_NO_LIBC
+
+/* ---------------------------------------------------------------------------------------------- */
+
+/* ============================================================================================== */
+/* Exported functions                                                                             */
+/* ============================================================================================== */
+
+ZyanStatus ZyanAllocatorInit(ZyanAllocator* allocator, ZyanAllocatorAllocate allocate,
+    ZyanAllocatorAllocate reallocate, ZyanAllocatorDeallocate deallocate)
+{
+    if (!allocator || !allocate || !reallocate || !deallocate)
+    {
+        return ZYAN_STATUS_INVALID_ARGUMENT;
+    }
+
+    allocator->allocate   = allocate;
+    allocator->reallocate = reallocate;
+    allocator->deallocate = deallocate;
+
+    return ZYAN_STATUS_SUCCESS;
+}
+
+#ifndef ZYAN_NO_LIBC
+
+ZyanAllocator* ZyanAllocatorDefault(void)
+{
+    static ZyanAllocator allocator =
+    {
+        &ZyanAllocatorDefaultAllocate,
+        &ZyanAllocatorDefaultReallocate,
+        &ZyanAllocatorDefaultDeallocate
+    };
+    return &allocator;
+}
+
+#endif
+
+/* ============================================================================================== */