diff -r 06a0015b6a5c -r 32ad0523b309 src/FixedArray.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/FixedArray.cpp	Tue Jul 24 23:53:34 2012 -0700
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2012 David Anderson
+ *
+ * This file is part of JITCraft.
+ *
+ * JITCraft is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free
+ * Software Foundation, either version 3 of the License, or (at your option)
+ * any later version.
+ * 
+ * Foobar is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * JITCraft. If not, see http://www.gnu.org/licenses/.
+ */
+#include <limits.h>
+#include "FixedArray.h"
+#include "Zone.h"
+#include "Heap-inl.h"
+
+using namespace ke;
+
+static const unsigned kMaxFixedArrayLength = ((INT_MAX - sizeof(FixedArray)) / sizeof(ke::Object *));
+
+FixedArray *
+FixedArray::New(Zone *zone, unsigned length, Heap::Tenure tenure)
+{
+    if (length >= kMaxFixedArrayLength) {
+        zone->reportError(Message_ArrayTooBig);
+        return NULL;
+    }
+
+    Local<FixedArray> array(zone, FixedArray::cast(zone->allocate(MapKind_FixedArray, SizeFor(length), tenure)));
+    if (!array)
+        return NULL;
+
+    array->length_ = length;
+    memset(array->vec(), 0, length * sizeof(Object *));
+    return array;
+}
+
+ByteArray *
+ByteArray::New(Zone *zone, unsigned length, Heap::Tenure tenure)
+{
+    if (length >= kMaxFixedArrayLength) {
+        zone->reportError(Message_ArrayTooBig);
+        return NULL;
+    }
+
+    Local<ByteArray> array(zone, ByteArray::cast(zone->allocate(MapKind_ByteArray, SizeFor(length), tenure)));
+    if (!array)
+        return NULL;
+
+    array->length_ = length;
+    memset(array->raw(), 0, length);
+    return array;
+}
+
+ByteArray *
+ByteArray::New(Zone *zone, Handle<Map> map, unsigned length, Heap::Tenure tenure)
+{
+    if (length >= kMaxFixedArrayLength) {
+        zone->reportError(Message_ArrayTooBig);
+        return NULL;
+    }
+
+    Local<ByteArray> array(zone, ByteArray::cast(zone->allocate(map, SizeFor(length), tenure)));
+    if (!array)
+        return NULL;
+
+    array->length_ = length;
+    memset(array->raw(), 0, length);
+    return array;
+}