webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 88 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/runtime/NativeExecutable.cpp b/Source/JavaScriptCore/runtime/NativeExecutable.cpp
new file mode 100644
index 000000000..0f8d08444
--- /dev/null
+++ b/Source/JavaScriptCore/runtime/NativeExecutable.cpp
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2009, 2010, 2013, 2015-2016 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 "BatchedTransitionOptimizer.h"
+#include "CodeBlock.h"
+#include "Debugger.h"
+#include "JIT.h"
+#include "JSCInlines.h"
+#include "LLIntEntrypoint.h"
+#include "Parser.h"
+#include "TypeProfiler.h"
+#include "VMInlines.h"
+#include <wtf/CommaPrinter.h>
+
+namespace JSC {
+
+const ClassInfo NativeExecutable::s_info = { "NativeExecutable", &ExecutableBase::s_info, 0, CREATE_METHOD_TABLE(NativeExecutable) };
+
+NativeExecutable* NativeExecutable::create(VM& vm, Ref<JITCode>&& callThunk, NativeFunction function, Ref<JITCode>&& constructThunk, NativeFunction constructor, Intrinsic intrinsic, const DOMJIT::Signature* signature, const String& name)
+{
+    NativeExecutable* executable;
+    executable = new (NotNull, allocateCell<NativeExecutable>(vm.heap)) NativeExecutable(vm, function, constructor, intrinsic, signature);
+    executable->finishCreation(vm, WTFMove(callThunk), WTFMove(constructThunk), name);
+    return executable;
+}
+
+void NativeExecutable::destroy(JSCell* cell)
+{
+    static_cast<NativeExecutable*>(cell)->NativeExecutable::~NativeExecutable();
+}
+
+Structure* NativeExecutable::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue proto)
+{
+    return Structure::create(vm, globalObject, proto, TypeInfo(CellType, StructureFlags), info());
+}
+
+void NativeExecutable::finishCreation(VM& vm, Ref<JITCode>&& callThunk, Ref<JITCode>&& constructThunk, const String& name)
+{
+    Base::finishCreation(vm);
+    m_jitCodeForCall = WTFMove(callThunk);
+    m_jitCodeForConstruct = WTFMove(constructThunk);
+    m_jitCodeForCallWithArityCheck = m_jitCodeForCall->addressForCall(MustCheckArity);
+    m_jitCodeForConstructWithArityCheck = m_jitCodeForConstruct->addressForCall(MustCheckArity);
+    m_name = name;
+}
+
+NativeExecutable::NativeExecutable(VM& vm, NativeFunction function, NativeFunction constructor, Intrinsic intrinsic, const DOMJIT::Signature* signature)
+    : ExecutableBase(vm, vm.nativeExecutableStructure.get(), NUM_PARAMETERS_IS_HOST, intrinsic)
+    , m_function(function)
+    , m_constructor(constructor)
+    , m_signature(signature)
+{
+}
+
+CodeBlockHash NativeExecutable::hashFor(CodeSpecializationKind kind) const
+{
+    if (kind == CodeForCall)
+        return CodeBlockHash(static_cast<unsigned>(bitwise_cast<size_t>(m_function)));
+    
+    RELEASE_ASSERT(kind == CodeForConstruct);
+    return CodeBlockHash(static_cast<unsigned>(bitwise_cast<size_t>(m_constructor)));
+}
+
+} // namespace JSC