JavaScriptCore-7600.1.4.9.tar.gz

[apple/javascriptcore.git] / ftl / FTLState.cpp

diff --git a/ftl/FTLState.cpp b/ftl/FTLState.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 "FTLState.h"
+
+#if ENABLE(FTL_JIT)
+
+#include "CodeBlockWithJITType.h"
+#include "FTLForOSREntryJITCode.h"
+#include "FTLJITCode.h"
+#include "FTLJITFinalizer.h"
+
+namespace JSC { namespace FTL {
+
+using namespace DFG;
+
+State::State(Graph& graph)
+    : graph(graph)
+    , context(llvm->ContextCreate())
+    , module(0)
+    , function(0)
+    , generatedFunction(0)
+    , compactUnwind(0)
+    , compactUnwindSize(0)
+{
+    switch (graph.m_plan.mode) {
+    case FTLMode: {
+        jitCode = adoptRef(new JITCode());
+        break;
+    }
+    case FTLForOSREntryMode: {
+        RefPtr<ForOSREntryJITCode> code = adoptRef(new ForOSREntryJITCode());
+        code->initializeEntryBuffer(graph.m_vm, graph.m_profiledBlock->m_numCalleeRegisters);
+        code->setBytecodeIndex(graph.m_plan.osrEntryBytecodeIndex);
+        jitCode = code;
+        break;
+    }
+    default:
+        RELEASE_ASSERT_NOT_REACHED();
+        break;
+    }
+    
+    finalizer = new JITFinalizer(graph.m_plan);
+    graph.m_plan.finalizer = adoptPtr(finalizer);
+}
+
+State::~State()
+{
+    llvm->ContextDispose(context);
+}
+
+void State::dumpState(const char* when)
+{
+    dataLog("LLVM IR for ", CodeBlockWithJITType(graph.m_codeBlock, FTL::JITCode::FTLJIT), " ", when, ":\n");
+    dumpModule(module);
+}
+
+} } // namespace JSC::FTL
+
+#endif // ENABLE(FTL_JIT)
+