JavaScriptCore-7600.1.4.9.tar.gz

[apple/javascriptcore.git] / dfg / DFGJITFinalizer.cpp

diff --git a/dfg/DFGJITFinalizer.cpp b/dfg/DFGJITFinalizer.cpp
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+/*
+ * Copyright (C) 2013 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. ``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
+ * 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 "DFGJITFinalizer.h"
+
+#if ENABLE(DFG_JIT)
+
+#include "CodeBlock.h"
+#include "DFGCommon.h"
+#include "DFGPlan.h"
+#include "JSCInlines.h"
+#include "ProfilerDatabase.h"
+
+namespace JSC { namespace DFG {
+
+JITFinalizer::JITFinalizer(Plan& plan, PassRefPtr<JITCode> jitCode, PassOwnPtr<LinkBuffer> linkBuffer, MacroAssemblerCodePtr withArityCheck)
+    : Finalizer(plan)
+    , m_jitCode(jitCode)
+    , m_linkBuffer(linkBuffer)
+    , m_withArityCheck(withArityCheck)
+{
+}
+
+JITFinalizer::~JITFinalizer()
+{
+}
+
+size_t JITFinalizer::codeSize()
+{
+    return m_linkBuffer->size();
+}
+
+bool JITFinalizer::finalize()
+{
+    m_jitCode->initializeCodeRef(
+        m_linkBuffer->finalizeCodeWithoutDisassembly(), MacroAssemblerCodePtr());
+    m_plan.codeBlock->setJITCode(m_jitCode);
+    
+    finalizeCommon();
+    
+    return true;
+}
+
+bool JITFinalizer::finalizeFunction()
+{
+    RELEASE_ASSERT(!m_withArityCheck.isEmptyValue());
+    m_jitCode->initializeCodeRef(
+        m_linkBuffer->finalizeCodeWithoutDisassembly(), m_withArityCheck);
+    m_plan.codeBlock->setJITCode(m_jitCode);
+    
+    finalizeCommon();
+    
+    return true;
+}
+
+void JITFinalizer::finalizeCommon()
+{
+#if ENABLE(FTL_JIT)
+    m_jitCode->optimizeAfterWarmUp(m_plan.codeBlock.get());
+#endif // ENABLE(FTL_JIT)
+    
+    if (m_plan.compilation)
+        m_plan.vm.m_perBytecodeProfiler->addCompilation(m_plan.compilation);
+    
+    if (!m_plan.willTryToTierUp)
+        m_plan.codeBlock->baselineVersion()->m_didFailFTLCompilation = true;
+}
+
+} } // namespace JSC::DFG
+
+#endif // ENABLE(DFG_JIT)
+