JavaScriptCore-1097.3.tar.gz

[apple/javascriptcore.git] / heap / WriteBarrierSupport.cpp

diff --git a/heap/WriteBarrierSupport.cpp b/heap/WriteBarrierSupport.cpp
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+/*
+ * Copyright (C) 2011 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "WriteBarrierSupport.h"
+
+namespace JSC {
+
+#if ENABLE(WRITE_BARRIER_PROFILING)
+GlobalSamplingCounter WriteBarrierCounters::usesWithBarrierFromCpp;
+GlobalSamplingCounter WriteBarrierCounters::usesWithoutBarrierFromCpp;
+GlobalSamplingCounter WriteBarrierCounters::usesWithBarrierFromJit;
+GlobalSamplingCounter WriteBarrierCounters::usesForPropertiesFromJit;
+GlobalSamplingCounter WriteBarrierCounters::usesForVariablesFromJit;
+GlobalSamplingCounter WriteBarrierCounters::usesWithoutBarrierFromJit;
+
+void WriteBarrierCounters::initialize()
+{
+    usesWithBarrierFromCpp.name("WithBarrierFromCpp");
+    usesWithoutBarrierFromCpp.name("WithoutBarrierFromCpp");
+    usesWithBarrierFromJit.name("WithBarrierFromJit");
+    usesForPropertiesFromJit.name("WriteForPropertiesFromJit");
+    usesForVariablesFromJit.name("WriteForVariablesFromJit");
+    usesWithoutBarrierFromJit.name("WithoutBarrierFromJit");
+}
+#else
+char WriteBarrierCounters::usesWithBarrierFromCpp;
+char WriteBarrierCounters::usesWithoutBarrierFromCpp;
+#endif
+
+} // namespace JSC
+