--- /dev/null
+++ libmalloc/libmalloc-283.60.1/tests/magazine_testing.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2016 Apple Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+#ifndef __MAGAZINE_TESTING
+#define __MAGAZINE_TESTING
+
+// Import the mvm_* functions for magazines to use
+#import "../src/vm.c"
+
+#import "../src/magazine_rack.c"
+
+boolean_t
+malloc_tracing_enabled = 0;
+
+int
+recirc_retained_regions = DEFAULT_RECIRC_RETAINED_REGIONS;
+
+// Stub out cross-file dependencies so that they just assert.
+void malloc_report(uint32_t flags, const char *fmt, ...)
+{
+	__builtin_trap();
+}
+
+void
+malloc_zone_error(uint32_t flags, bool is_corruption, const char *fmt, ...)
+{
+	__builtin_trap();
+}
+void
+malloc_zone_check_fail(const char *msg, const char *fmt, ...)
+{
+	__builtin_trap();
+}
+
+void
+szone_free(szone_t *szone, void *ptr)
+{
+	__builtin_trap();
+}
+
+void *
+szone_malloc(szone_t *szone, size_t size)
+{
+	__builtin_trap();
+}
+
+#endif // __MAGAZINE_TESTING